JP7189843B2 - Washer alignment transfer device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washer aligning and transferring device for aligning and transferring washers to assemble them to fastening members.

Conventionally, when fastening members such as bolts and screws to objects to be fastened, flat washers, spring washers, etc. are assembled to the fastening members for the purpose of preventing loosening of the fastening members and protecting the objects to be fastened. . However, in situations where a large number of fastening members are required, it takes a considerable amount of labor and time for an operator to assemble the washers to the fastening members. In order to reduce the burden of such work, a device as disclosed in Patent Document 1, for example, is used.

Patent Literature 1 discloses a device for assembling a washer to a bolt, which includes a transfer device for a disk-shaped work. This disc-shaped work transfer device includes a washer cradle, a washer transfer disc rotatably mounted on the washer cradle, an introduction pipe for introducing the washer onto the washer transfer disc by dropping it from above, It has A plurality of arcuate cutouts for transferring the washer are provided on the peripheral edge of the washer transfer disk, and the end of each arcuate cutout on the opposite side to the rotation direction has an inclined surface. is formed. The thickness of the washer transfer disk is set larger than the thickness of the washer, and the thickness of the inclined surface provided in the arc-shaped notch is set so that the washer is caught on the inner end.

For this reason, the lowest washer stacked in the introduction pipe falls into the cutout portion of the washer transfer disc as the washer transfer disc is rotated by the motor, and is caught on the inner end of the inclined surface to remove the washer. It is transferred in the direction of rotation of the transfer disc. Also, at this time, the washer one above the lowermost washer is guided by the inclined surface of the washer transfer disk, lifted upward at the inner lower end of the introduction pipe, and then drops into the next notch. As a result, even if there are obliquely stacked washers in the introduction pipe, the obliquely stacked state is eliminated by the vertical movement of the washer one above the bottom washer, and the washer moves in the washer transfer circle. It is taken into the plate and transported to the washer assembly device.

JP 2004-322277 A

However, the above-mentioned washer transfer disk is for continuously transferring and assembling one kind of washer held in a piled state inside the introduction pipe. Therefore, there is a problem that it is not possible to assemble different types of washers such as a flat washer and a spring washer to the fastening member.

In addition, if the object to be transferred is not a flat washer but has an asymmetrical portion such as a spring washer, the portions protruding in the thickness direction contact each other, so that a gap is formed between the washers in the introduction pipe. As a whole, they are obliquely piled up, and even if they swing up and down, it becomes difficult to eliminate the gap. In this state, even if an attempt is made to incorporate the washer into the cutout portion of the washer transfer disk, there is a problem that it is difficult to incorporate the washer smoothly.

Moreover, when performing the work of fastening the bolt to the fastening object, it is usually necessary to fit the washer at the work site. However, the disk-shaped workpiece transfer device described above requires a rotary drive mechanism for rotating the washer transfer disk in addition to the washer transfer disk as a device for transferring the washer. As a result, the device becomes large and heavy, and even if the user wants to use the device at the site of the bolt tightening work, there is a problem that it cannot be easily carried.

SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and its object is to enable smooth transfer even of washers having asymmetrical portions, and to assemble multiple types of washers to fastening members. To provide a washer aligning and transferring device capable of carrying out maintenance work and easy to carry.

(1) In order to solve the above problems, a washer aligning transfer device according to an aspect of the present invention introduces washers dropped from above, and stacks the introduced washers in the vertical direction. a first introduction pipe and a second introduction pipe that are aligned respectively; a first slide plate that receives the washer below the first introduction pipe and slides horizontally to transfer the washer; a second slide plate that receives the washer below the pipe and slides horizontally to transfer the washer; supports the first and second introduction pipes; a support base that slidably supports the second slide plate; and a vibration imparting section that applies vibration to at least one of the first introduction pipe and the second introduction pipe, wherein the support base comprises: At least one of the first introduction pipe and the second introduction pipe to which vibration is applied by the vibration applying section is oscillatably supported.

According to the above configuration, the washer aligning transfer device includes a first introduction pipe and a second introduction pipe for aligning a plurality of types of washers dropped from above and introduced in a vertically stacked state; A first slide plate and a second slide plate for receiving washers below the introduction pipe and the second introduction pipe, respectively, are supported by a support platform. Further, the washer alignment transfer device includes a vibration imparting section that imparts vibration, and at least one of the first introduction pipe and the second introduction pipe is supported swingably on the support base. Therefore, the introduction pipe is vibrated by the vibration applying unit and vibrates on the support base. The vibration is also transmitted to the washer in the introduction pipe, and even if the spring washer has an asymmetrical portion in which a gap is likely to be formed between them when stacked vertically, the vibration eliminates the gap. That is, the vertically stacked washers in the introduction pipe are aligned by being vibrated. As a result, the washers aligned in the introduction pipe are reliably taken into the slide plate and smoothly transferred. In addition, since there are a plurality of introduction pipes and slide plates, even if there are a plurality of types of washers, they can be incorporated into the respective slide plates for each type, and the plurality of types of washers can be assembled to the fastening member.

Further, according to the above configuration, the washer aligning transfer device includes the first and second introduction pipes and the first and second slide plates supported by the support base, and the vibration imparting section for imparting vibration to the introduction pipes. It consists of a simple structure. For this reason, with the above configuration, it is possible to realize a washer aligning transfer device that is easy to carry by simplifying the structure of the device as a whole and suppressing the weight of the device as a whole. The washer aligning and transferring device having the above configuration does not require a large and heavy mechanism for rotational driving such as a motor. This allows the worker to easily carry the device to the site when assembling the washer to the fastening member.

Therefore, it is possible to smoothly transfer even washers having asymmetrical portions, and to provide a washer aligning transfer device capable of assembling multiple types of washers to a fastening member and being easy to carry. be able to.

(2) The first slide plate and the second slide plate are each provided with a holding groove for receiving and holding the washer, and the first slide plate and the second slide plate are displaced in the vertical direction to a height. The first slide plate and the second slide plate are slidably supported on the support base at positions with different heights, and the holding grooves are positioned such that the first slide plate and the second slide plate are arranged side by side in the vertical direction. They are arranged vertically.

According to this configuration, the first slide plate and the second slide plate each have a holding groove for receiving and holding the washer, and are slidably movable with respect to the support base at positions shifted in the vertical direction and having different heights. supported by In a state in which the first slide plate and the second slide plate are arranged side by side in the vertical direction, the respective holding grooves are arranged in the vertical direction. Therefore, the operator can assemble the fastening member to the washers arranged in the vertical direction. That is, the operator does not have to go through the procedure of assembling the spring washer held in the holding groove of the second slide plate to the fastening member after assembling the flat washer held by the first slide plate to the fastening member. Two washers can be assembled to the fastening member in one operation. As a result, the labor of the operator can be saved and the working time can be shortened.

(3) the vibration imparting portion is a ring portion rotatable with respect to an outer circumference of a vibration introducing pipe, which is at least one of the first introduction pipe and the second introduction pipe to which vibration is imparted by the vibration imparting portion; and an eccentric weight portion provided on a part of the outer circumference of the ring portion.

According to this configuration, the vibration imparting section includes the ring section rotatable with respect to the outer circumference of the vibration introducing pipe, and the eccentric weight section provided on the outer circumference of the ring section. Therefore, the ring portion rotates eccentrically due to the rotation of the vibration imparting portion. As a result, since the vibration is applied to the vibration introduction pipe, it is possible to apply small vibrations to the washer in the vibration introduction pipe. In other words, it is possible to apply vibration to the washer stacked inside the vibration introducing pipe with a simple structure including the ring portion and the eccentric weight portion. This vibration can align the washers in the vibration introduction tube in a densely stacked state. As a result, the washers aligned in the introduction pipe are reliably taken into the slide plate and smoothly transferred.

(4) The vibration imparting section further includes an air blowing section that blows air onto the eccentric weight section to rotate the ring section with respect to the vibration introducing pipe.

According to this configuration, the vibration imparting section further has an air blowing section for blowing air onto the eccentric weight section. Since the vibration is applied to the vibration introduction pipe by blowing air onto the eccentric weight portion, a power supply for applying vibration to the vibration introduction pipe is not required. For this reason, there is no need to secure a power source each time the place of use is changed, thus improving convenience. For example, the air blowing unit supplies air from a mechanical air pump that does not require a power supply or is operated by a foot switch, so that restrictions on the installation location can be further alleviated.

(5) A first air cylinder mechanism supported by the support base for horizontally driving the first slide plate, and a second air cylinder mechanism supported by the support base for horizontally driving the second slide plate. and a mechanism.

According to this configuration, the washer alignment transfer device includes the first air cylinder mechanism that horizontally drives the first slide plate, and the second air cylinder mechanism that horizontally drives the second slide plate. Therefore, the slide plate can horizontally move the washer received under the introduction pipe by the power of the air cylinder. This eliminates the need for a heavy equipment that requires a power supply having a motor or the like, making it possible to realize a lightweight device that does not require electric power.

(6) The first slide plate and the second slide plate are respectively provided with holding grooves for receiving and holding the washers, and the holding grooves each have a thickness of the first slide plate and the second slide plate. The holding groove extends in the thickness direction and extends in a direction perpendicular to the thickness direction so that one end side is open to the outside. and a lower groove formed on the lower side, the lower groove having a width larger than the diameter of the shaft portion of the fastening member to which the washer is assembled and smaller than the diameter of the head portion of the fastening member. and the upper groove extends toward the one end with a width larger than the outer diameter of the washer.

According to this configuration, the first slide plate and the second slide plate are each provided with a holding groove that penetrates in the thickness direction, extends in a direction perpendicular to the thickness direction, and opens outward at one end. It is Therefore, the worker can pull out the fastening member with the washer attached by pulling out the fastening member inserted into the holding groove holding the washer from one end side of the holding groove. That is, the worker can easily assemble the washer to the fastening member by inserting the fastening member from below into the washer held in the holding groove and pulling out the fastening member from the holding groove.

In addition, the holding groove has a width larger than the diameter of the shaft portion of the fastening member and a width smaller than the diameter of the head portion of the fastening member. It has a laterally extending lower groove. Therefore, the fastening member can be smoothly pulled out from the holding groove by the operator. Further, the holding groove has an upper groove extending toward one end side with a width larger than the outer diameter of the washer on the upper side in the thickness direction of the first slide plate and the second slide plate. Therefore, the washer is reliably captured when it falls into the upper groove. Further, the washers held by the first slide plate and the second slide plate are vertically stacked, so that the two washers can be assembled to the fastening member in one operation.

(7) The depth of the upper groove of one of the first slide plate and the second slide plate is different from the depth of the upper groove of the other of the first slide plate and the second slide plate.

According to this configuration, the upper groove of the first slide plate and the upper groove of the second slide plate can have different depths. Therefore, even if the thickness of the washer transferred by the first slide plate differs from the thickness of the washer transferred by the second slide plate, the first slide plate and the second slide can be moved according to the thickness of the corresponding washer. By setting the depth of the upper groove of the plate, the washer can be smoothly and reliably incorporated into the holding groove of each slide plate.

(8) The support base supports, via a spring member, a vibration introduction pipe, which is at least one of the first introduction pipe and the second introduction pipe to which vibration is applied by the vibration applying section, so that the vibration is It supports the introduction tube so as to be able to swing.

According to this configuration, the vibration introduction pipe is swingably supported by the support base via the spring member. That is, the vibration introducing pipe is supported by the support base with a simple structure using only the spring member.

(9) The washer aligning and transferring device includes at least one of the washers supported by the support and transferred by one of the first slide plate and the second slide plate disposed above the slide plate. It further comprises a washer cover part that covers the part from above.

According to this configuration, the washer alignment transfer device further includes the washer cover portion in addition to the first introduction pipe, the second introduction pipe, the first slide plate, the second slide plate, the support base, and the vibration imparting portion. The washer cover part is provided so as to cover from above the washer transferred by the slide plate arranged on the upper side of either one of the first slide plate and the second slide plate. Therefore, the upward movement of the transferred washer is restricted by the washer cover portion. That is, when an operator attaches the fastening member to the washer, even if the washer is pressed from below by the fastening member, the washer does not rise from the retaining groove and separate. As a result, the worker can reliably assemble the washer while finely adjusting the inclination and position of the fastening member at hand.

INDUSTRIAL APPLICABILITY According to the present invention, a washer aligning transfer device that can smoothly transfer even washers having an asymmetrical portion, can be assembled with a fastening member even if there are multiple types of washers, and is easy to carry. can be provided.

1 is a schematic front view of a washer alignment transfer device according to a first embodiment of the present invention; FIG. FIG. 2 is a plan view of the washer alignment transfer device shown in FIG. 1; FIG. 3 is a cross-sectional view showing a cross section of the washer aligning and transferring device shown in FIG. 2 taken along the line AA. FIG. 10 is a cross-sectional view schematically showing the transfer device together with the washer, showing an example for explaining the transfer operation of the washer by the washer alignment transfer device. FIG. 4 is a cross-sectional view schematically showing the transfer device together with the washer, the vibration imparting section, and the like, showing an example for explaining the transfer operation of the washer by the washer alignment transfer device; FIG. 10 is a cross-sectional view schematically showing the transfer device together with the washer, showing an example for explaining the transfer operation of the washer by the washer alignment transfer device. FIG. 10 is a cross-sectional view schematically showing the transfer device together with the washer, showing an example for explaining the transfer operation of the washer by the washer alignment transfer device. FIG. 10 is a diagram showing an example for explaining the washer transfer operation by the washer alignment transfer device, and is a cross-sectional view schematically showing the transfer device together with the washer attached to the bolt. FIG. 10 is a plan view schematically showing a state in which the washer attached to the bolt is removed from the transfer device, showing an example for explaining the transfer operation of the washer by the washer alignment transfer device; FIG. 5 is a schematic front view of a washer alignment transfer device according to a second embodiment of the present invention; FIG. 11 is a plan view of the washer alignment transfer device shown in FIG. 10; FIG. 4 is a cross-sectional view schematically showing the washer transferred by the transfer device together with the fastening member, for explaining the operation of inserting the fastening member into the washer transferred by the washer alignment transfer device; FIG. 4 is a cross-sectional view schematically showing the washer transferred by the transfer device together with the fastening member, for explaining the operation of inserting the fastening member into the washer transferred by the washer alignment transfer device;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
FIG. 1 is a schematic front view of a washer alignment transfer device 1 according to a first embodiment of the present invention. FIG. 2 is a plan view of the washer alignment transfer device 1 shown in FIG. FIG. 3 is a cross-sectional view of the washer alignment transfer device 1 shown in FIG. 2 taken along the line AA. The washer alignment transfer device 1 in this embodiment includes a first introduction pipe 2 and a second introduction pipe 3, a first slide plate 4 and a second slide plate 5, a support table 6, and a vibration imparting section 7. ing.

A washer 100 is introduced into each of the first introduction pipe 2 and the second introduction pipe 3 . The first slide plate 4 and the second slide plate 5 receive the washer 100 introduced into the first introduction pipe 2 and the second introduction pipe 3 at their lower sides and transfer them in the horizontal direction. The support base 6 supports the first introduction pipe 2 , the second introduction pipe 3 , the first slide plate 4 and the second slide plate 5 . The vibration imparting section 7 imparts vibration to the second introduction pipe 3 . Further, the second introduction pipe 3 is supported by the support base 6 via the spring member 8, and is surrounded by the support frame 9 so as not to be excessively displaced due to the application of vibration.

Further, examples of the washer 100 to be transferred in this embodiment include a flat washer 101, a spring washer 102, and a corrugated washer. , a plurality of spring washers 102 are introduced respectively. A bolt is used as the fastening member 103 inserted into the washers 101 and 102. The bolt has a shaft portion 104 that is screwed into an object to be fastened and a head portion 105 to which a tool is attached when fastening. have.

The first introduction pipe 2 is provided for aligning the washers 101 in a vertically stacked state. A washer 101 is dropped from above and introduced into the first introduction pipe 2 . A plurality of flat washers 101 are introduced into the first introduction pipe 2 in this embodiment. The first introduction pipe 2 is formed in a substantially cylindrical shape extending in the vertical direction, and surrounds the outer peripheral surface of the flat washers 101 stacked in the vertical direction. The first introduction pipe 2 is supported on the support base 6 by a first support shaft 10 extending from the support base 6 and fixed to the support base 6 .

The first introduction pipe 2 is arranged above the first slide plate 4 . More specifically, the first introduction pipe 2 is spaced apart from the upper surface of the first slide plate 4 so that its lower end portion faces the upper surface of the first slide plate 4 .

The second introduction pipe 3, like the first introduction pipe 2, is provided for aligning the washers 102 in a vertically stacked state. A washer 102 is dropped from above and introduced into the second introduction pipe 3 . A plurality of spring washers 102 are introduced into the second introduction pipe 3 in this embodiment. The second introduction pipe 3 is formed in a substantially cylindrical shape extending in the vertical direction, and surrounds the outer peripheral surface of the spring washers 102 stacked in the vertical direction. A gap is formed between the second introduction pipe 3 and the outer periphery of the spring washer 102 so that the spring washer 102 stacked inside the second introduction pipe 3 can vibrate inside the second introduction pipe 3 . The second introduction pipe 3 is spaced apart from and substantially parallel to the first introduction pipe 2 .

The second introduction pipe 3 is supported by a support base 6 and arranged above the second slide plate 5 . More specifically, the second introduction pipe 3 is supported by the support base 6 via the spring member 8 and is held in a swingable state with respect to the support base 6 . In addition, the second introduction pipe 3 is surrounded by a support frame 9 so as not to be excessively displaced by vibration. The second introduction pipe 3 is spaced apart from the upper surface of the second slide plate 5 so that its lower end portion faces the upper surface of the second slide plate 5 .

In addition, in the present embodiment, the second introduction pipe 3 is configured as a vibration introduction pipe to which vibration is applied by a vibration applying section 7, which will be described later. Note that the vibration introduction pipe is configured as at least one of the first introduction pipe 2 and the second introduction pipe 3 . Also, the first introduction pipe 2 and the second introduction pipe 3 may be made of a transparent resin member so that the flat washer 101 and the spring washer 102 can be visually recognized.

A spring member 8 is provided to support the second introduction tube 3 so as to vibrate. The spring members 8 are arranged at two locations on the front and rear of the second introduction pipe 3 . Each spring member 8 has one end fixed to the support base 6 and the other end fixed to the upper portion of the second introduction pipe 3 via a connector 12 . That is, the second introduction pipe 3 supported by the spring member 8 is swingably supported in a state of being suspended from the tip of the spring member 8 above the support base 6, and is also supported by the support base 6. It is arranged above the second slide plate 5 .

The support frame 9 is provided as a frame for regulating the displacement amount of vibration so that the vibrating second introduction pipe 3 does not vibrate excessively. The support frame 9 regulates the amount of horizontal displacement due to the vibration of the second introduction pipe 3 so that the spring washer 102 does not deviate greatly from the position where it is incorporated into the second slide plate 5 .

The support frame 9 is formed in a cylindrical shape and arranged below the connector 12 of the spring member 8 . The support frame 9 is provided so as to surround the outer periphery of the second introduction pipe 3 while being separated from the second introduction pipe 3 to such an extent that it does not come into contact with the second introduction pipe 3 . The support frame 9 is fixed to the support base 6 via a second support shaft 11 . That is, the support frame 9 is provided so as not to be displaced with respect to the support base 6 . Therefore, even if the second introduction pipe 3 is excessively vibrated, the second introduction pipe 3 abuts against the inner peripheral surface of the support frame 9 and the amount of displacement in the horizontal direction is restricted.

The first slide plate 4 is provided to receive the flat washer 101 below the first introduction pipe 2 and slide horizontally to transfer the flat washer 101 . Referring to FIG. 2, the first slide plate 4 is formed in a plate-like shape elongated in the left-right direction D1, and is formed with a predetermined thickness so as to take in the flat washer 101 to be transferred. The first slide plate 4 is supported by a support base 6 and arranged substantially parallel to the support base 6 . More specifically, the first slide plate 4 is connected to a first air cylinder mechanism 16 which will be described later, and supported by the support base 6 together with the first air cylinder mechanism 16 . The first slide plate 4 is horizontally slidably supported on a support table 6 . The first slide plate 4 is provided with a holding groove 13a. A flat washer 101 is incorporated into the holding groove 13 a provided in the first slide plate 4 .

The holding groove 13a of the first slide plate 4 is a groove for receiving and holding the flat washer 101, and takes in the lowest flat washer 101 of the flat washers 101 stacked vertically in the first introduction pipe 2. Transfer horizontally. The holding groove 13 a is provided on the distal end side of the first slide plate 4 . The holding groove 13a penetrates the first slide plate 4 in the thickness direction, extends in a direction perpendicular to the thickness direction, and is provided so that one end side is open to the outside. More specifically, the holding groove 13a is formed in the shape of an elongated hole extending in the front-rear direction with a constant width, and the front side thereof is open. The holding groove 13a has an upper groove 14a formed on the upper side in the thickness direction and a lower groove 15a formed on the lower side.

The upper groove 14a of the holding groove 13a is a groove formed to take in the flat washers 101 stacked inside the first introduction pipe 2. As shown in FIG. Further, the upper groove 14 a is a groove formed so that the fastening member 103 with the flat washer 101 attached thereto can be pulled out after the fastening member 103 is inserted into the flat washer 101 . The upper groove 14 a is formed with a width larger than the outer diameter of the flat washer 101 and extends toward the front side of the first slide plate 4 . More specifically, the upper groove 14a is formed with an open front side and a closed rear side formed in an arc shape in a plan view.

The depth of the upper groove 14 a is set substantially equal to the thickness of one flat washer 101 . That is, when the first slide plate 4 slides in the horizontal direction and the upper groove 14a is positioned below the flat washers 101 stacked in the first introduction pipe 2, the bottom flat washer 101 is positioned in the upper groove. One is taken in 14a.

The lower groove 15a of the holding groove 13a is a groove for guiding the fastening member 103 to be easily inserted into the flat washer 101 when the fastening member 103 is inserted into the flat washer 101 . Further, the lower groove 15 a is formed so that the fastening member 103 attached to the flat washer 101 can be pulled out from the first slide plate 4 after the fastening member 103 is inserted into the flat washer 101 . The lower groove 15a is formed with a width larger than the diameter of the shaft portion 104 of the fastening member 103 to which the flat washer 101 is attached and smaller than the diameter of the head portion 105 of the fastening member 103. It extends toward the front side of plate 4 . More specifically, the lower groove 15a is formed in an elongated hole shape and is open on the front side in a plan view. Further, the rear side of the lower groove 15a is formed in an arc shape and closed in a plan view. The depth of the lower groove 15a is set smaller than the depth of the upper groove 14a.

A first air cylinder mechanism 16 is provided to drive the first slide plate 4 . The first air cylinder mechanism 16 is supported by the support base 6 together with the first slide plate 4 . The first air cylinder mechanism 16 drives the first slide plate 4 horizontally. The first air cylinder mechanism 16 is connected to the first slide plate 4 by a connecting portion 17 . The first air cylinder mechanism 16 has a cylindrical cylinder body 18 and a rod 19 supported by the cylinder body 18 so as to be able to extend and retract. The rod 19 is biased in a retracting direction by a biasing spring (not shown) provided inside the cylinder body 18 . An air tube 20 for supplying air to the inside of the cylinder body 18 is connected to the tip side of the cylinder body 18 , and an air pump 21 for supplying air to the cylinder body 18 is connected to the air tube 20 . It is

The air pump 21 is connected to the first air cylinder mechanism 16 . The air pump 21 has a foot switch (not shown), a volume chamber (not shown), and an urging spring (not shown). The foot switch has a pedal shape and is used to press the foot to compress the air pump. The voluminous chamber is compressed and discharges air when the foot switch is pressed by stepping on the foot, and expands to store the air when the pressing operation is released. The biasing spring restores and expands the volume chamber when the pressing operation is released. That is, the air pump 21 is configured to discharge air to the first air cylinder mechanism 16 when the foot pedal is pressed, and suck air from the outside when the pressure is released.

The second slide plate 5 is provided to receive the spring washer 102 below the second introduction pipe 3 and slide horizontally to transfer the spring washer 102 . Referring to FIG. 2, the second slide plate 5 is formed in a plate shape elongated in the left-right direction D1, and is formed with a predetermined thickness so that the spring washer 102 to be transferred can be taken therein. The second slide plate 5 is supported by the support base 6 and arranged substantially parallel to the support base 6 . More specifically, the second slide plate 5 is connected to a second air cylinder mechanism 22 to be described later, and supported by the support base 6 together with the second air cylinder mechanism 22 . The second slide plate 5 is horizontally slidably supported by the support base 6 and is arranged at a position shifted downward with respect to the first slide plate 4 . That is, the first slide plate 4 and the second slide plate 5 are slidably supported on the support base 6 at positions shifted in the vertical direction and having different heights.

Further, the second slide plate 5 is provided with a holding groove 13b. A spring washer 102 is incorporated into the holding groove 13b provided in the second slide plate 5. As shown in FIG. The first slide plate 4 and the second slide plate 5 are arranged side by side in the vertical direction so that the holding grooves 13a and 13b are arranged vertically. That is, when the first slide plate 4 and the second slide plate 5 slide in the horizontal direction so as to overlap each other in the vertical direction, the holding grooves 13a and 13b are arranged side by side in the vertical direction to hold the fastening member 103. It can be inserted into the groove 13a and the holding groove 13b in one motion. In this embodiment, when the first slide plate 4 and the second slide plate 5 slide in the horizontal direction, the holding groove 13a of the first slide plate 4 is arranged on the upper side, and the second slide plate 5 is held. A groove 13b is arranged on the lower side.

The holding groove 13b of the second slide plate 5 is a groove for receiving and holding the spring washer 102, and takes in the lowest spring washer 102 of the spring washers 102 stacked vertically in the second introduction pipe 3. Transfer horizontally. The holding groove 13 b is provided on the tip side of the second slide plate 5 . The holding groove 13b penetrates the second slide plate 5 in the thickness direction, extends in a direction perpendicular to the thickness direction, and is provided so that one end side is open to the outside. More specifically, the holding groove 13b is formed in the shape of an elongated hole extending in the front-rear direction with a constant width, and is formed with an open front side. The holding groove 13b has an upper groove 14b formed on the upper side in the thickness direction and a lower groove 15b formed on the lower side.

The upper groove 14 b is a groove formed to receive the spring washers 102 stacked inside the second introduction pipe 3 . Further, the upper groove 14b is a groove formed so that the fastening member 103 with the spring washer 102 attached thereto can be pulled out after the fastening member 103 is inserted into the spring washer 102 . The upper groove 14 b is formed with a width larger than the outer diameter of the spring washer 102 and extends toward the front side of the second slide plate 5 . More specifically, the upper groove 14b is formed open on the front side and closed on the rear side in an arc shape in plan view. The depth of the upper groove 14b is set substantially equal to the thickness of one spring washer 102 . That is, when the second slide plate 5 slides in the horizontal direction and the upper groove 14b is positioned below the spring washers 102 stacked in the second introduction pipe 3, the bottom spring washer 102 is positioned in the upper groove. One is taken in 14b.

The lower groove 15 b is a groove for guiding the fastening member 103 to be easily inserted into the spring washer 102 when the fastening member 103 is inserted into the spring washer 102 . Further, the lower groove 15 b is formed so that the fastening member 103 with the spring washer 102 assembled thereon can be pulled out from the second slide plate 5 after the fastening member 103 is inserted into the spring washer 102 . The lower groove 15b is formed with a width larger than the diameter of the shaft portion 104 of the fastening member 103 to which the spring washer 102 is assembled and smaller than the diameter of the head portion 105 of the fastening member 103. It extends toward the front side of plate 5 . More specifically, the lower groove 15b is formed in a long hole shape in a plan view and is open on the front side. Further, the rear side of the lower groove 15b is formed in an arc shape in a plan view and is closed. The depth of the lower groove 15b is set smaller than the depth of the upper groove 14b. That is, the depth of one of the upper grooves 14a and 14b of the first slide plate 4 and the second slide plate 5 is different from the depth of the other upper grooves 14a and 14b of the first slide plate 4 and the second slide plate 5. ing.

The second air cylinder mechanism 22, like the first air cylinder mechanism 16, is provided to drive the second slide plate 5. As shown in FIG. The second air cylinder mechanism 22 is supported by the support base 6 together with the second slide plate 5 . The second air cylinder mechanism 22 drives the second slide plate 5 horizontally. The second air cylinder mechanism 22 is connected to the second slide plate 5 by a connecting portion 17 . Like the first air cylinder mechanism 16 , the second air cylinder mechanism 22 has a cylindrical cylinder body 18 and a rod 19 supported on the cylinder body 18 so as to be freely extendable and retractable. The rod 19 is biased in a retracting direction by a biasing spring provided inside the cylinder body 18 . An air tube 20 for supplying air to the inside of the cylinder body 18 is connected to the tip side of the cylinder body 18 , and an air pump 21 for supplying air to the cylinder body 18 is connected to the air tube 20 . It is The air pump 21 is configured to discharge air to the second air cylinder mechanism 22 when the foot pedal is pressed, and suck air from the outside when the pressure is released.

The support base 6 supports the first introduction pipe 2, the second introduction pipe 3, the first slide plate 4, the second slide plate 5, the first air cylinder mechanism 16, and the second air cylinder mechanism 22, respectively. Further, the support base 6 has legs 23 and is horizontally installed in a stable state. The support base 6 swingably supports at least one of the first introduction pipe 2 and the second introduction pipe 3 to which vibration is applied by the vibration applying section 7 . In this embodiment, the support base 6 supports the first introduction pipe 2 in a fixed state, and supports the second introduction pipe 3 through the spring member 8 so as to be swingable.

The vibration applying section 7 applies vibration to at least one of the first introduction pipe 2 and the second introduction pipe 3 . In the present embodiment, the vibration imparting unit 7 vibrates the second introduction pipe 3 to impart vibration to the spring washers 102 stacked inside the second introduction pipe 3, so that the spring washers 102 are separated from each other without gaps. to align. Also, the spring washers 102 stacked in the second introduction pipe 3 are aligned without gaps, so that the spring washers 102 are smoothly and reliably taken into the upper grooves 14b of the second slide plate 5 . The vibration imparting portion 7 has a ring connecting portion 24 , a ring portion 25 , an eccentric weight portion 26 and an air blowing portion 27 .

The ring connecting portion 24 is a portion for rotatably connecting the ring portion 25 to the second introduction pipe 3 . The ring connecting portion 24 is provided on the upper portion of the second introduction pipe 3 . The ring connecting portion 24 is formed in a substantially cylindrical shape, and is fitted and fixed to the outer peripheral surface of the second introduction pipe 3 . A ring portion 25 is rotatably provided on the outer peripheral surface side of the ring connecting portion 24 .

The ring portion 25 is provided on the outer circumference of the ring connecting portion 24 via bearings. That is, the ring portion 25 is provided rotatably with respect to the outer circumference of the second introduction pipe 3 . The ring portion 25 and the ring connecting portion 24 in this embodiment are configured as bearings such as ball bearings, for example. That is, the ring connecting portion 24 corresponds to the inner ring of the ball bearing, and the ring portion 25 corresponds to the outer ring of the ball bearing. The ring portion 25 is rotatably attached to the ring connecting portion via rolling elements (not shown). Therefore, the ring portion 25 rotates smoothly with respect to the ring connecting portion 24 .

The eccentric weight portion 26 is provided to eccentrically rotate the ring portion 25 provided on the second introduction pipe 3 . The eccentric weight portion 26 is provided on a portion of the outer circumference of the ring portion 25, as shown in FIG. The eccentric weight portion 26 in this embodiment is, for example, a nut attached to the outer circumference of the ring portion 25 and is attached by welding or the like. When the ring portion 25 rotates with the eccentric weight portion 26 attached, the ring portion 25 rotates eccentrically, and the second introduction pipe 3 vibrates. The eccentric weight portion 26 is not limited to a nut welded to the ring portion 25. For example, a shaft may be attached to the ring portion 25 and a nut may be fitted to the attached shaft. As a result, the ring portion 25 rotates eccentrically with respect to the second introduction pipe 3, causing the spring washer 102 to vibrate. Also, a member other than the nut may be fixed to the ring portion 25 .

The air blowing part 27 is used as a power source for rotating the ring part 25 by blowing air and vibrating the spring washer 102 in the second introduction pipe 3 . The air blowing portion 27 is provided with a nozzle 28 on the distal end side, and is connected to the air pump 21 via the air tube 20 on the proximal end side. When the foot switch of the air pump 21 is pressed by the foot, the air blowing section 27 discharges air from the nozzle 28 and blows the air onto the eccentric weight section 26 . As a result, the ring portion 25 rotates in the tangential direction of the second introduction pipe 3 in plan view. That is, the vibration imparting section 7 rotates the ring section 25 with respect to the vibration introducing pipe by blowing air onto the eccentric weight section 26 . When the ring portion 25 rotates due to the air from the air blowing portion 27 , the second introduction pipe 3 vibrates, and the vibration is transmitted to the spring washers 102 stacked inside the second introduction pipe 3 .

FIG. 4 is a diagram showing an example for explaining the transfer operation of the washers 101 and 102 by the washer alignment transfer device 1, and is a sectional view schematically showing the transfer device together with the washers 101 and 102. FIG. Referring to FIG. 4 , in washer alignment transfer device 1 , a plurality of flat washers 101 are first introduced into first introduction pipe 2 , and a plurality of spring washers 102 are also introduced into second introduction pipe 3 .

At this time, each rod 19 connected to the first slide plate 4 and the second slide plate 5 is urged in a retracting direction with respect to the cylinder body 18 . Therefore, the first slide plate 4 and the second slide plate 5 are arranged in the direction of approaching each other, and the respective holding grooves 13a and 13b are arranged so as to overlap in the vertical direction. The flat washers 101 stacked in the first introduction pipe 2 are received by the flat portion where the groove is not formed, which is the base end side of the first slide plate 4, and stacked on the second introduction pipe 3. The spring washer 102 is received by the right side, which is the root side of the second slide plate 5 .

FIG. 5 is a diagram showing an example for explaining the transfer operation of the washers 101 and 102 by the washer alignment transfer device 1, and is a cross-sectional view schematically showing the transfer device together with the washers 101 and 102, the vibration applying section 7 and the like. is. Referring to FIG. 5, each rod 19 connected to the first slide plate 4 and the second slide plate 5 extends relative to the cylinder body 18 when the foot switch is pressed by the foot.

When the foot switch is pressed, the air pump 21 is supplied via the air tube 20 to the air blowing portion 27, the cylinder body 18 of the first air cylinder mechanism 16, and the cylinder body 18 of the second air cylinder mechanism 22, respectively. Supply air.

In the air blowing portion 27 , when the foot switch 21 is pressed, the air stored in the volume chamber is supplied through the air tube 20 on the discharge side and discharged from the nozzle 28 . Then, the ring portion 25 is rotated with respect to the second introduction pipe 3 . In addition, in the first air cylinder mechanism 16 and the second air cylinder mechanism 22, when the foot switch 21 is pressed, air is supplied from the discharge side air tube 20 connected to the tip side of the cylinder main body 18, Each rod 19 is driven to displace the first slide plate 4 and the second slide plate 5 away from each other.

When the ring portion 25 rotates and vibration is applied to the second introduction pipe 3, the spring washers 102 stacked with a gap formed therebetween in the introduction pipe rotate due to the vibration. Each of the vertically stacked spring washers 102 rotates in a state where the portions protruding in the thickness direction are caught by each other, and are aligned in a densely stacked state without gaps.

FIG. 6 is a diagram showing an example for explaining the transfer operation of the washers 101 and 102 by the washer alignment transfer device 1, and is a sectional view schematically showing the transfer device together with the washers 101 and 102. FIG. Referring to FIG. 6, the first slide plate 4 is slid under the stacked flat washers 101, and the holding groove 13a is arranged under the stacked flat washers 101. As shown in FIG. Also, the second slide plate 5 is slid under the stacked spring washers 102 , and the holding groove 13 b is arranged under the stacked spring washers 102 .

The flat washer 101 and the spring washer 102 stacked in the first introduction pipe 2 and the second introduction pipe 3, respectively, are positioned at the bottom of the stacked flat washer 101 and spring washer 102 as indicated by the arrows in FIG. washers 101 and 102 are taken into the holding grooves 13a and 13b, respectively.

FIG. 7 is a diagram showing an example for explaining the transfer operation of the washers 101 and 102 by the washer alignment transfer device 1, and is a sectional view schematically showing the transfer device together with the washers 101 and 102. FIG. When the washers 101 and 102 are taken into the holding grooves 13a and 13b, respectively, the operator performs an operation to release the pressure of the foot switch of the air pump 21. As shown in FIG. When an operation to release the pressure of the foot switch is performed, air flows back from the cylinder main body 18 to the air pump 21 via the discharge-side air tube 20 connected to the first air cylinder mechanism 16 and the second air cylinder mechanism 22 . . Furthermore, at the same timing, air is also sucked into the volume chamber of the air pump 21 from the air tube 20 on the suction side.

Each rod 19 connected to the first slide plate 4 and the second slide plate 5 is retracted to the cylinder body 18 by an urging spring when air is returned to the air pump 21 by performing an operation to release the pressure of the foot switch. . As a result, as indicated by arrows in FIG. 7, the first slide plate 4 holding the flat washer 101 in the holding groove 13a and the second slide plate 5 holding the spring washer 102 in the holding groove 13b approach each other. is displaced to A flat washer 101 held in the holding groove 13a of the first slide plate 4 and a spring washer 102 held in the holding groove 13b of the second slide plate 5 are arranged so as to overlap vertically.

FIG. 8 is a diagram showing an example for explaining the washer transfer operation by the washer alignment transfer device, and is a cross-sectional view schematically showing the transfer device together with the washer assembled to the bolt. As indicated by arrows in FIG. 8, a fastening member 103 is assembled by an operator to a flat washer 101 and a spring washer 102 which are arranged to overlap in the vertical direction. That is, the fastening member 103 is inserted from below the second slide plate 5, guided by the lower groove 15b of the second slide plate 5, and inserted into the spring washer 102 held in the upper groove 14b. Further, the fastening member 103 inserted into the spring washer 102 is inserted from below the first slide plate 4, guided by the lower groove 15a of the first slide plate 4, and moved to the flat washer 101 held in the upper groove 14a. inserted. As a result, the operator can assemble the two types of washers 101 and 102 , the flat washer 101 and the spring washer 102 , simply by inserting the fastening member 103 from below the second slide plate 5 .

FIG. 9 is a view for explaining an example of the transfer operation of the washers 101 and 102 by the washer alignment transfer device 1, and schematically shows a state in which the washers 101 and 102 attached to the bolt are pulled out from the transfer device. is a plan view shown in FIG. A fastening member 103 assembled with two types of washers 101 and 102, a flat washer 101 and a spring washer 102, is pushed by an operator from one open end side of the holding grooves 13a and 13b as indicated by arrows in FIG. pulled out. The two types of washers 101 and 102 are assembled to the fastening member 103 by the series of operations described above.

In the washer aligning transfer device 1 of the present embodiment, a plurality of types of washers 101 and 102 that are dropped from above and introduced are aligned in a vertically stacked state. and a first slide plate 4 and a second slide plate 5 that receive washers 101 and 102 below the first introduction pipe 2 and the second introduction pipe 3, respectively, and are supported by support bases 6, respectively. The washer aligning transfer device 1 also includes a vibration imparting section 7 that imparts vibration, and at least one of the first introduction pipe 2 and the second introduction pipe 3 is swingably supported by the support base 6 . Therefore, the introduction pipes 2 and 3 are vibrated by the vibration applying unit 7 and vibrate on the support base 6 . The vibration is also transmitted to the washers 101 and 102 in the introduction pipes 2 and 3, and even if the spring washer 102 has an asymmetrical portion in which a gap is likely to be formed between them when stacked in the vertical direction, the vibration will not occur. eliminates the gap. That is, the vertically stacked washers 101 and 102 in the introduction pipes 2 and 3 are aligned by being vibrated. As a result, the washers 101 and 102 aligned in the introduction pipes 2 and 3 are reliably taken into the slide plates 4 and 5 and transferred smoothly. In addition, since there are a plurality of slide plates 4 and 5, even when there are a plurality of types of washers 100, it is possible to assemble a plurality of types of washers 100 to the fastening member 103 by incorporating the washers 100 into the respective slide plates 4 and 5 for each type. can.

Further, in the washer alignment transfer device 1, the first introduction pipe 2, the second introduction pipe 3, the first slide plate 4, and the second slide plate 5 are supported by the support base 6, and the introduction pipes 2 and 3 It has a simple structure provided with a vibration imparting section 7 that imparts vibration. Therefore, with the above configuration, the overall structure of the device is simplified, the weight of the device as a whole is suppressed, and the washer aligning transfer device 1 that is easy to carry can be realized. The washer aligning and transferring device 1 having the above configuration does not require a large and heavy mechanism for rotational driving such as a motor. This allows the worker to easily carry the device to the site when assembling the washers 101 and 102 to the fastening member 103 .

Therefore, even a washer 102 having an asymmetrical portion can be smoothly transferred, and even a plurality of types of washers 101 and 102 can be assembled to the fastening member 103, and the washer alignment is easy to carry. A transfer device 1 can be provided.

Further, according to the washer aligning transfer device 1, the first slide plate 4 and the second slide plate 5 are provided with holding grooves for receiving and holding the washers 101 and 102, respectively, and are displaced in the vertical direction and have different heights. It is slidably supported with respect to the support stand 6 at the position. The holding grooves 13a and 13b of the first slide plate 4 and the second slide plate 5 are aligned vertically when the first slide plate 4 and the second slide plate 5 are arranged vertically. Therefore, the operator can assemble the fastening member 103 to the washers 101 and 102 that are arranged side by side in the vertical direction. That is, the operator assembles the spring washer 102 held in the holding groove 13b of the second slide plate 5 to the fastening member 103, and then assembles the flat washer 101 held in the first slide plate 4 to the fastening member 103. The two washers 101 and 102 can be assembled to the fastening member 103 in one operation without the need for any procedures. As a result, the labor of the operator can be saved and the working time can be shortened.

Further, according to the washer aligning transfer device 1 , the vibration imparting section 7 includes the ring portion 25 rotatable with respect to the outer circumference of the vibration introducing pipe, and the eccentric weight portion 26 provided on the outer circumference of the ring portion 25 . Therefore, the ring portion 25 rotates eccentrically as the vibration imparting portion 7 rotates. As a result, since the vibration is applied to the vibration introduction pipe, small vibrations can be applied to the washer 102 in the vibration introduction pipe. That is, it is possible to apply vibrations to the washer 102 stacked inside the vibration introducing pipe with a simple structure including the ring portion 25 and the eccentric weight portion 26 . This vibration can align the washers 102 in the vibration introduction pipe in a densely stacked state. As a result, the washer 102 aligned within the introduction tube is reliably taken into the slide plate and smoothly transferred.

Further, according to the washer alignment transfer device 1 , the vibration imparting section 7 further has an air blowing section 27 that blows air onto the eccentric weight section 26 . By blowing air onto the eccentric weight portion 26, vibration is imparted to the vibration introduction pipe, so a power source for imparting vibration to the vibration introduction pipe is not required. For this reason, there is no need to secure a power source each time the place of use is changed, thus improving convenience. For the air blower 27, for example, by using one that supplies air from a mechanical air pump 21 that does not require a power source or is operated by foot switch operation, restrictions on the installation location can be further relaxed. can.

Moreover, according to the washer alignment transfer device 1, it is provided with the first air cylinder mechanism 16 that drives the first slide plate 4 in the horizontal direction and the second air cylinder mechanism 22 that drives the second slide plate 5 in the horizontal direction. . Therefore, the slide plates 4 and 5 can horizontally move the washers 101 and 102 received below the introduction pipe by the power of the air cylinder. This eliminates the need for a heavy equipment that requires a power supply having a motor or the like, making it possible to realize a lightweight device that does not require electric power.

Further, according to the washer aligning transfer device 1, the first slide plate 4 and the second slide plate 5 are penetrated in the thickness direction, extend in the direction perpendicular to the thickness direction, and open at one end to the outside. holding grooves 13a and 13b are provided, respectively. For this reason, the worker pulls out the fastening member 103 inserted into the holding grooves 13a and 13b holding the washers 101 and 102 from one end side of the holding grooves 13a and 13b so that the washer 101 and 102 are assembled. The fastening member 103 can be pulled out. That is, an operator inserts the fastening member 103 from below into the washers 101 and 102 held in the holding grooves 13a and 13b, and pulls out the fastening member 103 from the holding grooves 13a and 13b. 101 and 102 are easily assembled to the fastening member 103 .

Further, according to the washer aligning transfer device 1, the holding grooves 13a and 13b are formed below the first and second slide plates 4 and 5 in the thickness direction with a width larger than the diameter of the shaft portion 104 of the fastening member 103. In addition, it has lower grooves 15a and 15b extending toward one end with a width smaller than the diameter of the head portion 105 of the fastening member 103. As shown in FIG. Therefore, the fastening member 103 can be smoothly pulled out from the holding grooves 13a and 13b by the operator. The holding grooves 13a and 13b are formed on the upper sides of the first slide plate 4 and the second slide plate 5 in the thickness direction, with upper grooves 14a and 14a extending toward one end side with a width larger than the outer diameter of the washers 101 and 102. 14b. Therefore, the washers 101 and 102 are reliably taken in when they fall into the upper grooves 14a and 14b. In addition, the washers 101 and 102 held by the first slide plate 4 and the second slide plate 5 are stacked vertically so that the two washers 101 and 102 can be attached to the fastening member 103 by one operation. can be assembled.

Further, according to the washer alignment transfer device 1, the upper groove 14a of the first slide plate 4 and the upper groove 14b of the second slide plate 5 can have different depths. Therefore, even if the thickness of the washer 101 transferred by the first slide plate 4 and the thickness of the washer 102 transferred by the second slide plate 5 are different, the thickness of the washer 101, 102 corresponding to the thickness of the washer 101, 102 is different. By setting the depths of the upper grooves 14a and 14b of the first slide plate 4 and the second slide plate 5, the washers 101 and 102 can be smoothly and reliably incorporated into the holding grooves 13a and 13b of each slide plate.

Further, according to the washer alignment transfer device 1, the vibration introduction pipe is supported by the support base 6 via the spring member 8 so as to be swingable. That is, the vibration introducing pipe is supported by the support base 6 with a simple structure using only the spring member 8 .

(Second embodiment)
Next, a second embodiment of the invention will be described. 10 is a schematic front view of the washer alignment transfer device 30 according to the second embodiment of the present invention. FIG. 11 is a plan view of the washer alignment transfer device 30 shown in FIG.

A washer aligning and transferring device 30 of the second embodiment is configured as a device for assembling two types of washers 100, a flat washer 101 and a spring washer 102, to a fastening member 103, like the washer aligning and transferring device 1 of the first embodiment. It is The washer aligning transfer device 30 in this embodiment includes a first introduction pipe 2 and a second introduction pipe 3, a first slide plate 4 and a second slide plate 5, a support base 6, a vibration imparting section 7, and a washer cover. a portion 40; That is, the washer alignment transfer device 30 in this embodiment differs from the first embodiment in that it further includes a washer cover portion 40 .

The washer cover part 40 in the present embodiment protects the movement of the washer 101 transferred by the first slide plate 4, which is the slide plate arranged on the upper side of either the first slide plate 4 or the second slide plate 5. designed to regulate. That is, the washer cover portion 40 is provided as a portion for preventing the flat washer 101 from being detached from the holding groove 13 a of the first slide plate 4 . The washer cover part 40 is supported by the support base 6 and is configured to cover at least part of the washer 101 transferred by the first slide plate 4 from above. In this embodiment, the first slide plate 4 is the upper slide plate of either one of the first slide plate 4 and the second slide plate 5. A slide plate 5 may be arranged above the first slide plate 4 . In this case, the washer cover portion 40 is provided as a portion for preventing the spring washer 102 from detaching from the holding groove 13b of the second slide plate 5. As shown in FIG.

The washer cover portion 40 has a lifting restricting portion 41 and a support portion 42 .

The lifting restricting portion 41 is provided as a portion that covers the flat washer 101 transferred by the first slide plate 4 from above. The lifting restricting portion 41 is formed with a constant thickness. The uplift restricting portion 41 is positioned above the flat washer 101 transferred by the first slide plate 4 when the first slide plate 4 and the second slide plate 5 are displaced in the direction of approaching each other (hereinafter also referred to as the approaching direction). are placed in

The lifting restricting portion 41 is arranged such that its lower surface side faces the upper surface side of the flat washer 101 transferred by the first slide plate 4 . A gap between the lower surface of the lifting restricting portion 41 and the upper surface of the first slide plate 4 is set to be smaller than the thickness of the flat washer 101 . In other words, the flat washer 101 is covered by the lifting restricting portion 41 so as not to separate from the holding groove 13a. As a result, the flat washer 101 is held in the holding groove 13a because it abuts against the lifting restricting portion 41 even when an external force is applied from below. In addition, an insertion groove 43 is formed on the front side of the central portion in the approaching direction of the lifting restricting portion 41 in this embodiment.

The insertion groove 43 is configured as a portion through which the fastening member 103 is inserted when the fastening member 103 is assembled to the washer 100 . The insertion groove 43 penetrates the lifting restricting portion 41 in the thickness direction, extends in a direction perpendicular to the thickness direction, and is provided so that one end side is open to the outside. More specifically, the insertion groove 43 is formed in the shape of an elongated hole extending in the front-rear direction with a constant width, and is formed with an open front side. The insertion groove 43 is set smaller than the outer diameter of the plain washer 101 and larger than the hole diameter.

The insertion grooves 43 are configured to vertically line up with the holding grooves 13a and 13b when the first slide plate 4 and the second slide plate 5 are displaced toward each other. In addition, although the case where the insertion groove 43 through which the fastening member 103 is inserted is provided in the lifting-up restricting portion 41 in the present embodiment, the insertion groove 43 is provided in the lifting-up restricting portion 41 . It may be in the form of a flat plate that is not flat. Alternatively, the lifting restricting portion 41 is substantially plate-shaped, and a groove is formed on the lower surface thereof so that the tip portion of the shaft portion 104 of the fastening member 103 slides in contact therewith. may

The support portion 42 is provided at the center portion of the upper surface side of the support base 6 in the approaching direction as a portion that supports the lifting restricting portion 41 . The support portion 42 extends upward from the support base 6 and supports the lifting restricting portion 41 in a cantilever manner at its upper end portion.

FIG. 12 is a view for explaining the operation of inserting the fastening member 103 into the washers 101 and 102 transferred by the washer aligning transfer device 30, in which the washers 101 and 102 transferred by the transfer device are inserted into the fastening member 103. FIG. 2 is a cross-sectional view schematically shown together with FIG. FIG. 13 is a view for explaining the operation of inserting the fastening member 103 into the washers 101 and 102 transferred by the washer aligning transfer device 30, in which the washers 101 and 102 transferred by the transfer device are inserted into the fastening member 103. FIG. 2 is a cross-sectional view schematically shown together with FIG. 12 and 13, illustration of the support portion 42 is omitted.

In the present embodiment, as in the first embodiment, when an operator assembles the fastening member 103 to the washers 101 and 102, the washers 101 and 102 are slidably moved by the first slide plate 4 and the second slide plate 5. They are arranged so as to overlap vertically when they are close to each other. In this state, the fastening member 103 is attached to the washers 101 and 102 by an operator.

Here, the spring washer 102 is supported from below by the holding groove 13b of the second slide plate 5 and covered with the first slide plate 4 on the upper side, as in the case of the first embodiment. Therefore, even if the fastening member 103 is inserted through the spring washer 102 in an inclined state, the fastening member 103 is reliably inserted because the movement of the spring washer 102 is restricted.

Further, in the washer alignment transfer device 30 according to the present embodiment, unlike the first embodiment, the flat washer 101 is supported from below by the holding groove 13a of the first slide plate 4, and the upper side is lifted by the washer cover portion 40. It will be in a state covered with the regulation part 41 . Therefore, even if the fastening member 103 is inserted into the flat washer 101 in an inclined state as shown in FIG. be done.

The fastening member 103 assembled with the spring washer 102 and the flat washer 101 is pulled out from one open end side of the holding grooves 13a and 13b and the insertion groove 43 by an operator. Then, the fastening member 103 is reliably attached to the washer 100 by the operator's series of operations described above.

In addition to the first introduction pipe 2, the second introduction pipe 3, the first slide plate 4, the second slide plate 5, the support base 6, and the vibration applying unit 7, the washer alignment transfer device 30 in this embodiment further includes A washer cover portion 40 is provided. The washer cover part 40 is provided so as to cover from above the washer 101 transferred by the slide plate 4 arranged on the upper side of either the first slide plate 4 or the second slide plate 5 . Therefore, the upward movement of the washer 101 that has been transferred is restricted by the washer cover portion 40 . That is, when the worker assembles the fastening member 103 to the washer 100, even if the washer 101 is pressed from below by the fastening member 103, the washer 101 does not come off from the holding groove 13a. As a result, the operator can reliably assemble the washer 100 while finely adjusting the inclination and position of the fastening member 103 at hand.

[Modification]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be implemented with various modifications within the scope of the claims. For example, the following modifications may be implemented.

(1) In the above embodiment, two types of washers 101 and 102, a flat washer 101 and a spring washer 102, are attached to the fastening member 103, but this need not be the case. Two or more types of washers 100 may be assembled to the fastening member 103 . In this case, the washer alignment transfer device 1 may be configured by increasing the number of the introduction pipes 2 and 3 and the slide plates 4 and 5 .

(2) In the above-described embodiment, the upper grooves 14a and 14b of the first and second slide plates 4 and 5 are set to a depth such that one washer 101 and 102 can be taken in each. It doesn't have to be. For example, the depth of the upper grooves 14a and 14b may be set so that a plurality of washers 101 and 102 are taken into the holding grooves 13a and 13b of the slide plates 4 and 5, respectively.

(3) In the above embodiment, the support base 6 is provided with the legs 23, but this need not be the case. The support base 6 may be provided with wheels so that it can be easily moved to the site where the work of assembling the washers 101 and 102 to the fastening member 103 is performed. In addition, the support base 6 may be provided with a grip so that the apparatus can be moved more easily.

(4) In the above-described embodiment, the vibration imparting portion 7 has the ring connecting portion 24, the ring portion 25, the eccentric weight portion 26, and the air blowing portion 27. However, this is not the case. may For example, it may be supported by the spring member 8 so that the second introduction pipe 3 vibrates when an impact is applied to the second introduction pipe 3 .

(5) In the above-described embodiment, the first slide plate 4 and the second slide plate 5 are displaced toward each other, and the respective holding grooves 13a and 13b are arranged at positions overlapping each other in the vertical direction. Then, the washers 101 and 102, which are arranged one above the other in the vertical direction, are assembled by one operation by the operator, but this need not be the case. For example, the first slide plate 4 and the second slide plate 5 may be arranged at positions where the respective holding grooves 13a and 13b do not overlap. In this case, the operator inserts the washers 101 and 102 held in the holding grooves 13a and 13b into the fastening member 103 and assembles them, whereby the washers 101 and 102 are assembled.

INDUSTRIAL APPLICABILITY The present invention can be widely applied to a washer aligning and transferring device 1 that aligns and transfers washers in order to assemble them to fastening members 103 .

Reference Signs List 1, 30 washer alignment transfer device 2 first introduction pipe 3 second introduction pipe 4 first slide plate 5 second slide plate 6 support base 7 vibration imparting portion 8 spring members 13a, 13b holding grooves 14a, 14b upper grooves 15a, 15b Lower groove 16 First air cylinder mechanism 22 Second air cylinder mechanism 25 Ring portion 26 Eccentric weight portion 27 Air blowing portion 40 Washer cover portion 100 Washer 103 Fastening member 104 Shaft portion 105 Head

Claims (8)

a first introduction pipe and a second introduction pipe into which washers are dropped from above and introduced, and the introduced washers are aligned in a vertically stacked state;
a first slide plate that receives the washer below the first introduction pipe and slides horizontally to transfer the washer;
a second slide plate that receives the washer below the second introduction pipe and slides horizontally to transfer the washer;
a support stand that supports the first introduction pipe and the second introduction pipe and slidably supports the first slide plate and the second slide plate;
a vibration applying unit that applies vibration to at least one of the first introduction pipe and the second introduction pipe;
The support base swingably supports at least one of the first introduction pipe and the second introduction pipe to which vibration is applied by the vibration applying unit ,
The vibration imparting section is
a ring portion rotatable with respect to an outer circumference of a vibration introduction pipe that is at least one of the first introduction pipe and the second introduction pipe to which vibration is applied by the vibration applying portion;
an eccentric weight section provided on a part of the outer circumference of the ring section;
A washer alignment transfer device, comprising : The washer alignment transfer device according to claim 1,
Each of the first slide plate and the second slide plate is provided with a holding groove for receiving and holding the washer,
The first slide plate and the second slide plate are slidably supported with respect to the support base at positions shifted in the vertical direction and having different heights,
The washer aligning transfer device, wherein the first slide plate and the second slide plate are arranged vertically side by side, and the positions of the holding grooves are vertically aligned. . The washer alignment transfer device according to claim 1 or claim 2 ,
The washer aligning transfer device, wherein the vibration imparting section further includes an air blowing section that blows air onto the eccentric weight section to rotate the ring section with respect to the vibration introducing pipe. The washer alignment transfer device according to any one of claims 1 to 3 ,
a first air cylinder mechanism supported by the support table and horizontally driving the first slide plate;
a second air cylinder mechanism supported by the support table and horizontally driving the second slide plate;
A washer alignment transfer device, further comprising: The washer alignment transfer device according to any one of claims 1 to 4 ,
Each of the first slide plate and the second slide plate is provided with a holding groove for receiving and holding the washer,
Each of the holding grooves penetrates through the first slide plate and the second slide plate in the thickness direction, extends in a direction perpendicular to the thickness direction, and is provided so that one end side thereof is open to the outside. ,
The holding groove has an upper groove formed on the upper side in the thickness direction and a lower groove formed on the lower side,
the lower groove extends toward the one end with a width larger than the diameter of the shaft portion of the fastening member to which the washer is attached and smaller than the diameter of the head portion of the fastening member;
The washer aligning transfer device, wherein the upper groove extends toward the one end with a width larger than an outer diameter of the washer. A washer alignment transfer device according to claim 5 , comprising:
The depth of the upper groove of one of the first slide plate and the second slide plate is different from the depth of the upper groove of the other of the first slide plate and the second slide plate. , washer alignment transfer device. a first introduction pipe and a second introduction pipe into which washers are dropped from above and introduced, and the introduced washers are aligned in a vertically stacked state;
a first slide plate that receives the washer below the first introduction pipe and slides horizontally to transfer the washer;
a second slide plate that receives the washer below the second introduction pipe and slides horizontally to transfer the washer;
a support stand that supports the first introduction pipe and the second introduction pipe and slidably supports the first slide plate and the second slide plate;
a vibration applying unit that applies vibration to at least one of the first introduction pipe and the second introduction pipe;
The support base supports, via a spring member, a vibration introduction pipe, which is at least one of the first introduction pipe and the second introduction pipe to which vibration is applied by the vibration applying section, thereby vibrating the vibration introduction pipe. A washer aligning transfer device, characterized in that it is swingably supported. The washer alignment transfer device according to any one of claims 1 to 7 ,
a washer cover portion that covers from above at least a portion of the washer that is supported by the support base and transferred by the slide plate that is positioned above one of the first slide plate and the second slide plate; a washer alignment transfer device, comprising:

Images