JP5499962B2 - Parts alignment supply method - Google Patents

Description

  The present invention relates to a component alignment and supply method for loosening entanglement between components such as coil springs and aligning those components.

  Conventionally, a coil spring having an outer diameter of 3 mm to 8 mm, a free length of 9 mm to 28 mm, and a wire diameter of about 0.2 to 0.4 mm, or a similar method of removing the entanglement of the entangled parts is desired. It is rare.

  For this reason, a method using the separation apparatus described in Patent Document 1 is known. FIG. 16 is a configuration diagram showing the separation device described in Patent Document 1. As shown in FIG. 16, this device can take out the separated coil springs 18 without separating the coil springs 18 from each other again after separating and feeding them out.

  The separation device in Patent Document 1 includes a separation chamber 60 that accommodates a large number of intertwined coil springs 18. Compressed air is fed from a compressed air inlet 61 that opens to the bottom of the separation chamber 60, and the coil spring 18 separated from the compressed air is discharged from a discharge port 62 that opens to the top of the separation chamber 60.

  A component feed pipe 63 that feeds the separated coil spring 18 is connected to a discharge port 62 that opens to the top of the separation chamber 60. The inner diameter of the component feeding pipe 63 is set to be slightly larger than the outer diameter of the coil spring 18, and the pipe outlet 64 extends close to the stopper surface 65.

  However, the distance between the pipe outlet 64 and the stopper surface 64 is such that only one coil spring 18 can be taken out and is shorter than the total length of the coil spring 18. Thereby, the coil springs 18 that are partially exposed between the pipe outlet 64 and the stopper surface 65 can be taken out one by one. 66 is a component detection sensor, 67 is a control device, and 68 is a switch for opening and closing the air passage, and is connected to an air compressor 69 by an air hose 70.

  The method of Patent Document 1 is excellent in that the entanglement of parts is released using air pressure. However, there is a demand for a method that has a higher ability to loosen the entanglement than this method and can supply parts at high speed.

  As a method using a widely used coil spring supply device, the one shown in FIG. 17 is known. This unwinds the coil spring 18 by causing the coil spring 18 to collide with the inclined wall 75 and dropping it into the bowl feeder 76 forming the alignment portion. The bowl feeder 76 is torsionally vibrated in the vertical direction and the circumferential direction.

  This type of vibratory bowl feeder 76 itself is described in Patent Document 2. The aligned coil springs 18 are taken out one by one and assembled as a brush spring of an electric fuel pump 77 that is a product, for example.

JP-A-10-265030 JP 2007-326714 A

  In the method of Patent Document 1, a coil spring having a large winding pitch and a long free length and easily entangled may not be entangled with the coil spring 18 or the like. In addition, a method is desired that can entangle components and supply them in an aligned manner at a higher speed than the method of Patent Document 1.

  On the other hand, the method using the general-purpose device or the structure of Patent Document 2 has a problem that the coil spring 18 is entangled again during alignment in the bowl feeder 76. In addition, there is a problem that the installation area of the apparatus becomes large.

  Furthermore, the parts previously input into the bowl feeder 76 do not always go out first, and old parts may remain in the bowl feeder 76 indefinitely. Therefore, a method capable of first-in and first-out parts is desired.

  In view of the above problems, an object of the present invention is to provide a component alignment and supply method that can more reliably remove at least entanglement of components at high speed.

  Descriptions of patent documents listed as prior art can be introduced or incorporated by reference as explanations of technical elements described in this specification.

In order to achieve the above object, the present invention employs the following technical means. That is, according to the first aspect of the present invention, there is provided a component alignment supply method for untangling a plurality of components and aligning the components, the storage container storing the components, provided on the ceiling of the storage container. The air jet nozzle, which is provided at the bottom of the storage container facing the ceiling part, is stood toward the ceiling part, and compressed air is blown from the air jet nozzle to the head located at the tip on the ceiling part side And a peripheral wall portion of the storage container between the ceiling portion and the bottom portion having a discharge port that discharges the parts soared by the compressed air to the outside of the storage container together with the compressed air in a direction parallel to the bottom portion, and entangled in the storage container After storing the part with the air, the compressed air is sprayed from the air injection nozzle to the rod-shaped member, and the component is swung up from the periphery of the rod-shaped member in the storage container and rises from the peripheral wall. By al stirred, compressed air along with being discharged from the discharge port and out one by one up the component from the outlet, a discharge passage connected to the outlet side of the discharge port, the discharge passage, A tilt shaft that slopes away from the peripheral wall as it goes from the ceiling to the bottom, and a horizontal hole that communicates with the exit of the tilt shaft, the horizontal hole is provided in parallel with the bottom, and from the discharge port It is characterized in that a component that has jumped out with compressed air collides with the wall of the inclined shaft .

According to this invention, an air flow that descends from the periphery of the rod-shaped member and blows up from the peripheral wall portion is generated around the rod-shaped member that is blown with compressed air from the air injection nozzle to the head, and the air flow causes the parts to rise. The parts reciprocate in the direction of the ceiling and bottom in the container by the air flow, and the entanglement between the parts is released at high speed and efficiently during this floating, and the parts are discharged together with the compressed air from the outlet to the outside of the container. Can be released. Moreover, since components can collide with the slope of the wall in the inclined shaft portion together with the compressed air, components entangled by the impact of the collision can be separated.

  In the invention of claim 2, the air flow generated when the compressed air is injected from the air injection nozzle causes the parts to rise so as to descend from the periphery of the rod-shaped member and rise from the peripheral wall portion, and around the rod-shaped member. It is characterized by being formed as a spiral flow that rotates.

  According to the present invention, since the air flow is swirled around the rod-shaped member, the components can be more efficiently aligned and discharged from the outlet to the outside of the container together with the compressed air.

  In the invention according to claim 3, a protrusion is formed on the peripheral wall portion adjacent to the discharge port, and the protrusion is positioned downstream of the swirl flow with respect to the discharge port, and the component that rotates together with the swirl flow protrudes. It is characterized in that it collides with the part and is led to the discharge port.

  According to this invention, the protrusion is provided on the downstream side of the spiral flow when viewed from the discharge port. As a result, the component that has moved in the spiral flow is smoothly discharged from the discharge port while being guided to the protrusion.

  The invention according to claim 4 is characterized in that the discharge port is provided in a portion closer to the ceiling portion than the bottom portion, and the soared parts are discharged from the discharge port.

  According to the present invention, the soared component is guided to the discharge port, so that the component can be easily guided to the discharge port in a state where the entanglement between the components is loosened.

In the invention according to claim 5 , the side hole portion is provided with an opening in the middle thereof, and is provided below the opening, and includes a capture container that captures a part falling from the opening, and a part having a poor balance state is provided. It is characterized by falling into the capture container from the opening.

  According to the present invention, the horizontal hole portion is provided with an opening in the middle portion thereof, and is provided below the opening, and includes the capture container that captures the component falling from the opening. A bad part becomes easy to fall from an opening, and since the fallen part can be captured by the capture container, the part with the remaining entanglement can be removed.

In the invention according to claim 6 , the discharge passage has a conveying portion communicating with the outlet side of the horizontal hole portion, and a part of the inner diameter of the conveying portion is smaller than the inner diameter of the horizontal hole portion and passes through the conveying portion. Is in contact with the portion whose inner diameter is reduced.

  According to this invention, it has a transport part communicating with the outlet side of the horizontal hole part, and since the inner diameter of this transport part is smaller than the inner diameter of the horizontal hole part, a step transport part is formed in this reduced part, The overlapped parts are brought into contact with the step conveyance unit to loosen the parts.

The invention according to claim 7 is characterized in that a concavo-convex pattern is continuously formed on the ceiling portion or the bottom portion, and a component stirred in the storage container is caught by the concavo-convex pattern.

  According to this invention, due to the concavo-convex pattern, the bonding force between the component and the ceiling or bottom when the component floating in the compressed air collides is increased. Therefore, the entanglement between the components is easily loosened by the catch when the components collide with the ceiling or the bottom.

In the invention according to claim 8 , the storage container includes a bowl-shaped lower part storage container positioned in the bottom direction and a bowl-shaped upper part storage container positioned in the ceiling direction. It is provided so that it can be pulled out from the component storage container, and has an opening through which the components are put into the pulled out lower component storage container. After returning the lower part container, the compressed air is injected.

  According to the present invention, since the parts are put into the lower part storage container drawn out from the upper part storage container, it is easy to store the part to be entangled in the part storage space.

The invention according to claim 9 is characterized in that the component comprises a coil spring.

  According to the present invention, it is possible to supply the coil springs by removing the entanglement between the coil springs stored in the storage container, which are easily entangled, at high speed and aligning them one by one.

It is an elevational view of a coil spring supply device used in the first embodiment of the component alignment supply method in the present invention. It is a top view of Drawing 1 in the above-mentioned embodiment. It is a typical perspective view which shows the storage container which comprises the components storage space of the coil spring supply apparatus used for the said embodiment. FIG. 4 is a schematic cross-sectional view showing a state where an air flow is divided by a center bar in the storage container shown in FIG. 3 to form an air flow having a W-shaped cross section. It is a perspective view which shows the storage container of the comparative example without a center bar equivalent part with respect to the said embodiment. It is typical sectional drawing which shows the airflow in the storage container of the comparative example of FIG. In the said embodiment, it is a typical expanded sectional view of the discharge passage which shows the discharge port in an upper components storage container, a inclined shaft part, and a horizontal hole part. It is a partially expanded view which shows the behavior of the coil spring in the discharge port vicinity of FIG. 7 in the said embodiment. It is typical sectional drawing which follows the arrow F9-F9 line | wire of FIG. It is a graph which shows the reduction | decrease of the installation area in the said embodiment. It is a perspective view of the coil spring supply apparatus used for 2nd Embodiment of this invention. FIG. 12 is an elevational view of the coil spring supply device when the lower component storage container is pulled out in the second embodiment viewed from the direction of arrow F12 in FIG. 11. It is typical sectional drawing of the level | step difference conveyance part located in the opening downstream in the coil spring supply apparatus used for 3rd Embodiment of this invention. It is a typical perspective view which shows the storage container which comprises the components storage space of the coil spring supply apparatus used for 4th Embodiment of this invention. FIG. 15 is a schematic cross-sectional view showing a state of a coil spring in which an air flow is divided by a center bar and an air flow having a W-shaped cross section is formed and floats in the component storage space shown in FIG. 14. It is a block diagram which shows the separation apparatus of the conventional patent document 1. It is a perspective view explaining the coil spring supply apparatus used for the conventionally used method.

  A plurality of modes for carrying out the present invention will be described below with reference to the drawings. In each embodiment, parts corresponding to the matters described in the preceding embodiment may be denoted by the same reference numerals, and redundant description may be omitted. When only a part of the configuration is described in each mode, the other modes described above can be applied to the other parts of the configuration.

  Not only combinations of parts that clearly show that combinations are possible in each embodiment, but also combinations of the embodiments even if they are not specified, unless there is a particular problem with the combination. It is also possible.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 is an elevation view of a coil spring supply device used in the first embodiment of the component alignment supply method of the present invention, and FIG. 2 is a plan view of FIG.

  1 and 2, a base 3 is provided on the installation legs 1 and 2, and a lower part storage container 4 serving as one part of a storage container forming the part storage space 11 slides on the base 3. It is provided as possible.

  The lower component storage container 4 is a storage container made of a circular bowl-shaped transparent acrylic resin, and a rod-like member 5 (hereinafter also referred to as a center bar 5) is planted in the center of the bottom 4b of the lower component storage container 4. ing. The lower part storage container 4 can be pulled out to the moving position 4a of the lower part storage container 4 shown by the phantom line in FIG.

  After the lower part storage container 4 is pulled out to the moving position 4a, the coil spring 18 as a part is put into the lower part storage container 4 from the opening 4c. There may be a component loading hopper (not shown) directly above the pulled-out position.

  An upper component storage container 7 (FIG. 1) serving as the other part of the storage container forming the component storage space 11 is provided on the upper portion of the lower component storage container 4 before being pulled out. The upper component storage container 7 is a cylindrical storage container having a ceiling portion 8.

  The ceiling part 8 faces the bottom part 4 b of the lower part storage container 4. The upper part storage container 7 is also formed from a transparent acrylic resin. The ceiling part 8 of the upper part storage container 7 is provided with an air introduction port 9 for introducing compressed air. The air introduction port 9 has an air attached downward to the ceiling part 8 in the upper part storage container 7. An injection nozzle 10 is attached.

  A larger cylindrical component storage space 11 is formed by combining the lower component storage container 4 before being pulled out and the upper component storage container 7 fixed on the base 3. The air jetted from the air jet nozzle 10 collides with the head 5a of the center bar 5 whose upper end is chamfered, and the air flow is divided by the center bar 5 to form an air flow having a W-shaped cross section.

  In FIG. 2, which is a plan view of FIG. 1, the installation leg 2 is divided into 2a and 2b. Storage container holding frames 15a, 15b, 15c, and 15d are provided on the base 3, and the upper component storage container 7 is placed on the base 3 via these storage container holding frames 15a, 15b, 15c, and 15d. It is fixed.

  FIG. 3 is a schematic perspective view showing the component storage space 11 of the coil spring supply device used in the first embodiment. 4 is a schematic cross-sectional view showing a state in which the air flow is divided by the center bar in the component storage space 11 shown in FIG. Shows a state in which the coil spring 18 floats on a W-shaped air flow.

  In FIG. 4, when air is injected from the air injection nozzle 10 toward the center bar 5 into the component storage space 11 formed by combining the upper component storage container 7 and the lower component storage container 4, an arrow A 41 in FIG. In this way, a W-shaped air flow is generated as indicated by arrow A42. This air is discharged from the discharge port 17 of FIG. The discharge port 17 is provided in a side wall portion of the upper component storage container 7 that is closer to the ceiling portion 8 than the bottom portion 4 b, and has an inner diameter that is slightly larger than the outer diameter of the coil spring 18.

  FIG. 5 is a schematic perspective view of a comparative example showing a storage container constituting the component storage space 11 when there is no portion corresponding to the center bar 5. FIG. 6 is a schematic cross-sectional view showing the air flow in the component storage space 11 without the portion corresponding to the center bar 5. The coil spring 18 floats on the air flow, but some of the coil springs 18 have corners. The state which stayed in the part is shown.

  Thus, the air flow sinks from the center by the center bar 5 and becomes a flow that springs up from the peripheral wall in the component storage space 11, and forms a spiral flow (also called swirl) clockwise as a whole.

  In order to form this spiral flow, the air injection nozzle 10 is slightly inclined. As a result, the coil spring 18 does not accumulate at the corner as shown in FIG. 6 as a comparative example, and the entanglement of the coil spring 18 is loosened while floating.

  In FIG. 2, a semicircular portion 3 a of the base portion that supports the drawn-out lower part storage container 4 is provided on the left side of the base 3. Two circular portions 19a and 19b in the semicircular portion 3a are through holes for saving material and may be omitted.

  In FIG. 1, a discharge port 17, which is an air escape location, is formed in the right side wall near the ceiling portion 8 in the upper component storage container 7. A discharge passage is provided continuously to the discharge port 17, and a tilt shaft portion 20 that descends obliquely is provided in the discharge passage. The inclined shaft portion 20 is inclined so as to be separated from the peripheral wall portion of the upper component storage container as it goes from the ceiling portion 8 toward the bottom portion 4b. Continuing from the inclined shaft portion 20, the discharge passage is provided with a horizontal hole portion 21 extending in the horizontal direction. The horizontal hole portion 21 extends in parallel to the plane of the bottom portion 4 b and communicates with the inclined shaft portion 20.

  FIG. 7 is a schematic enlarged cross-sectional view of a discharge passage schematically showing the discharge port 17, the inclined shaft portion 20, and the lateral hole portion 21 in the upper component storage container 7 of the first embodiment. FIG. 8 is a partially enlarged view showing the movement of the coil spring 18 in the vicinity of the discharge port 17 of FIG. Along with the air flow indicated by arrows A41 and A42 in FIG. 4, the coil spring 18 is discharged from the discharge port 17 together with the air flow as shown in FIG.

  The coil spring 18 discharged together with the air flow from the discharge port 17 collides with the wall of the inclined shaft portion 20 as shown in FIG. 8, and the entanglement of the coil spring 18 is loosened by this impact. In FIG. 7, following the inclined shaft portion 20, an opening (selective sliding portion) 22 is provided in a horizontal hole portion 21 extending in the horizontal direction. FIG. 9 is a schematic cross-sectional view along the arrow F9-F9 in FIG.

  9 and 7, a part of the lateral hole portion 21 passes through the opening 22, so that the coil spring 18 that has flown on the air flow is easily lost. The shape of the opening 22 is set.

  As shown in FIG. 9, the coil spring 18 that has fallen is accommodated in a capture container 23 indicated by phantom lines. The capture container 23 is formed on the side surface of the opening 22. Further, the opening 22 is configured by omitting a part of the wall of the lateral hole portion 21 on the capturing container 23 side.

  As shown in FIG. 7, a transport section 25 is formed in the discharge passage on the downstream side of the opening 22, and the tip thereof is connected to a flexible air hose 37. Air may be supplied from the oblique air hole 26 into the side hole portion 21 as indicated by an arrow A5 to accelerate the flow of the coil spring 18, but this is not essential.

The steps of the coil spring alignment and supply method according to the first embodiment having the above-described configuration will be further described. First, as indicated by the phantom line in FIG. 2, the lower component storage container 4 drawn out to the moving position 4 a of the lower component storage container 4 has a diameter of 3 mm and a length of 10 mm from the opening 4 c of the lower component storage container 4. A large number of coil springs 18 are introduced (only one is shown in FIG. 2 for simplification), and the lower component storage container 4 is returned to a position immediately below the upper component storage container 7 which is a normal mounting position. Thereby, the lower component storage container 4 and the upper component storage container 7 are united to form a cylindrical component storage space 11. Next, a hose connection provided outside the ceiling portion 8 of the upper component storage container 7. Compressed air of 2 kg / square cm is supplied to the air injection nozzle 10 through an air hose (not shown) to the mouth 10a (FIG. 1).

  The air jetted from the air jet nozzle 10 into the cylindrical component storage space 11 as shown in FIG. 4 collides with the head 5a of the center bar 5 chamfered at the upper end, and the air flow is changed to the center bar 5 And the air flow forms a spiral flow in the direction of arrow A41 in the cylindrical component storage space 11 as described above. This spiral flow can be formed by slightly tilting the air injection nozzle 10.

  For this reason, the coil spring 18 that moves along with the air flow is moved along the spiral flow while the entanglement of the coil spring 18 is loosened by the air flow. The air compressed in the cylindrical component storage space 11 is discharged to the outside through one discharge port 17 and a slight leak gap.

  Therefore, the coil spring 18 riding on the air flow enters the discharge port 17. As described above, the discharge port 17 is an air escape place provided on the right side wall near the ceiling wall in the upper component storage container 7.

  The coil spring 18 rides on the air flow and enters the inclined shaft portion 20 (FIGS. 7 and 8) from the discharge port 17. For this reason, the coil spring 18 collides with the oblique wall surface of the inclined shaft portion 20. When the coil spring 18 collides with the oblique wall surface of the inclined shaft portion 20, the coil spring 18 is further tangled and connected.

  Following the inclined shaft portion 20, the coil spring 18 advances in a row along with the air flow in the horizontal hole portion 21 extending in the horizontal direction. An opening 22 shown in FIGS. 7 and 9 is provided in a part of the horizontal hole portion 21.

  Among the coil springs 18 that have flowed in the air flow in the opening 22, those that remain entangled fall because the balance is easily lost. The dropped coil spring 18 is stored in the capture container 23, taken out by the operator, stored again in the lower part storage container 4 pulled out, and the entanglement is removed again by the air flow. Alternatively, as will be described later, the coil spring 18 is returned into the cylindrical component storage space 11 by the backflow air flow, and the entanglement is removed again.

  According to the first embodiment, even if the coil spring 18 is easily entangled like the coil spring 18 having a long pitch, the entanglement can be removed and aligned and conveyed at high speed (about 1 / second). can do. Compared with the general-purpose method according to the prior art shown in FIG. 17, in the method of the first embodiment, the installation area of the apparatus used for the implementation can be reduced by 95% as shown in the graph of FIG.

(Second Embodiment)
Next, a second embodiment of the present invention will be described. In the following embodiments, the same components as those in the first embodiment described above are denoted by the same reference numerals, description thereof will be omitted, and different configurations and features will be described.

  FIG. 11 is a perspective view of a coil spring supply device used in the second embodiment of the method of the present invention. In FIG. 11, a lower part storage container 4 is slidably provided on the base 3. The lower part storage container 4 is a circular bowl-shaped storage container, and a center bar 5 is planted in the center of the inside.

  FIG. 12 is an elevational view of the coil spring supply device according to the second embodiment viewed from the direction of arrow F12 in FIG. A state in which the lower part storage container 4 is pulled out while holding the handle 29 (FIG. 11) is shown.

  In this way, after the lower component storage container 4 is pulled out from under the upper component storage container 7, the coil spring 18 as a component is input into the lower component storage container 4 via the component input hopper 30. When the coil spring 18 that is a component is not loaded, a lid 33 having a knob 31 is placed on the component loading hopper 30 as shown in FIG.

  In FIG. 11, a storage container made of a cylindrical transparent acrylic resin having a ceiling portion 8 to be an upper part storage container 7 is provided on the upper part of the lower part storage container 4 before being pulled out. The ceiling part 8 of the upper part container 7 is provided with an air inlet 9 for introducing compressed air, and the air inlet 9 is attached to the ceiling part 8 in the upper part container 7 downward. The air injection nozzle 10 penetrates.

  A larger cylindrical component storage space 11 is formed by combining the lower component storage container 4 and the fixed upper component storage container 7 before being pulled out. On the ceiling part 8 and the bottom part 4b of the cylindrical component storage space 11, concave and convex plates (also called punching metals) 34a and 34b in which a number of punch holes are formed are provided.

  The uneven plates 34a and 34b may be provided on either the ceiling portion 8 or the bottom portion 4b. Innumerable uneven patterns are formed on the surfaces of the uneven plates 34a and 34b. The coil spring 18 stirred by the air flow is caught in the punch holes of the punching metals 34a and 34b, so that the entanglement is easily loosened due to the impact.

  The air injected from the air injection nozzle 10 collides with the center bar 5 whose upper end is chamfered, and the air flow is divided by the center bar 5 to form an air flow having a W-shaped cross section. That is, this air flow sinks from the center and becomes a flow that springs up from the peripheral wall in the component storage space 11, and forms a swirl flow clockwise as a whole.

  A discharge port 17 (FIG. 11), which is an air escape location, is formed on the right side wall of the upper component storage container 7 near the ceiling portion 8, and the inclined shaft descends obliquely continuously from the discharge port 17. A portion 20 is provided, and a horizontal hole portion 21 extending in the horizontal direction is provided following the inclined shaft portion 20.

  An opening (22) not shown in FIG. 11 is provided in a part of the horizontal hole portion 21, similar to FIGS. In the opening (22), out of the coil spring 18 that has flowed in the air flow, the one out of balance falls. The dropped coil spring 18 is stored in the capture container 23.

  The side hole 21 is connected to an air hose 37 made of synthetic resin having an arbitrary length, and a component take-out tool 38 is installed at the tip of the air hose 37. A stopper portion 40 is provided to face the component outlet portion 39 of the component extractor 38. One coil spring 18 that has flowed out of the component outlet portion 39 is handled by an operator or a robot while being locked to the stopper portion 40.

  A backflow air supply port 41 is formed in the middle of the horizontal hole portion 21, and compressed air can be fed from the backflow air hose 42 communicating with the backflow air supply port 41 into the cylindrical component storage space 11. it can.

  The air that has flowed back through the side hole portion 21 entrains a coil spring (not shown) that has fallen into the trapping container 23, and flows out from the leak gap in the cylindrical component storage space 11. At this time, the coil spring accumulated in the capture container 23 can be returned to the cylindrical component storage space 11, and the work of loosening the entanglement can be repeated again.

(Third embodiment)
Next, a third embodiment of the present invention will be described. Features different from the above-described embodiment will be described. FIG. 13 is a schematic cross-sectional view of the step conveying portion 25a located on the downstream side of the opening in the coil spring supply device used in the third embodiment of the method of the present invention.

  As shown in FIG. 7, a transport unit 25 is formed on the downstream side of the opening 22. In the third embodiment, the transport unit 25 is formed as a step transport unit 25a (FIG. 13). The inner diameter of the step conveying portion 25 a is smaller than the inner diameter of the horizontal hole portion 21.

  FIG. 13 is an enlarged cross-sectional view exaggeratingly showing the step 25b of the step conveyance unit 25a. In FIG. 13, in the step conveying portion 25 a, a small-diameter horizontal hole portion 21 a in which the inner diameter of the horizontal hole portion 21, that is, the passage clearance of the coil spring 18 is further reduced by 0.2 mm, is formed to separate the overlapping coil springs 18.

  As shown in FIG. 13, the overlapping coil springs 18 abut against the step 25b, and the overlap is loosened. Similarly to FIG. 7, the flow of the coil spring 18 may be accelerated by supplying air from the oblique air hole 26 to the small-diameter horizontal hole portion 21a as indicated by an arrow A5.

(Fourth embodiment)
Next, a fourth embodiment of the present invention will be described. Features different from the above-described embodiment will be described. FIG. 14 is a schematic perspective view of a storage container forming the component storage space 11 of the coil spring supply device used in the fourth embodiment of the method of the present invention. FIG. 15 is a schematic cross-sectional view showing a state of the coil spring floating in the storage container of FIG.

  14 and 15, the coil spring 18 riding on the air flow enters the discharge port 17. In order to facilitate entry into the discharge port 17, a protrusion 50 serving as a component introduction guide is formed adjacent to the inlet of the discharge port 17.

  The protrusion 50 is fixed to the inner surface of the upper component storage container 7 made of acrylic resin. The protrusion 50 is provided on the downstream side of the spiral flow in the arrow A41 direction as viewed from the discharge port 17. As a result, the coil spring 18 that has moved on the spiral flow is smoothly discharged from the discharge port 17 while colliding with the protrusion 50.

(Other embodiments)
The present invention is not limited to the above-described embodiments, and can be modified or expanded as follows. For example, in the above-described first embodiment, the component alignment supply device that supplies the coil spring has been described. However, a component other than the coil spring may be used as long as it is a component that rises by jetting air. For example, a screw, a collar, a sleeve, a spacer, a needle, a roller, or the like may be used.

  Punching metal (punching plate) with a large number of punch holes is installed on the ceiling and bottom of the cylindrical component storage space as a concave-convex plate, but the engagement force when components such as coil springs collide It is only necessary to have a strong structure, and it is only necessary that the concavo-convex pattern is continuously formed, and it may be a press-worked or molded checker plate. Moreover, you may shape | mold a concavo-convex pattern directly on a ceiling part or a bottom part.

  Further, the direction of the swirl flow (swirl) may be counterclockwise instead of clockwise. In addition, a single air injection nozzle is tilted to form a spiral flow, but air is additionally injected from the tangential direction to the cylinder of the cylindrical component storage space from the second air injection nozzle to form a spiral flow. You may do it. Further, the discharge port may be formed in the cylindrical tangential direction on the side wall of the cylindrical upper part storage container.

DESCRIPTION OF SYMBOLS 3 Base 4 Lower part storage container 4a Moving position of lower part storage container 4b Bottom part 5 Center bar which comprises a rod-shaped member 7 Upper part storage container 8 Ceiling part 9 Air inlet 10 Air injection nozzle 11 Component storage space 15a-15d Storage container Holding frame 17 Discharge port 18 Coil spring 20 Slope part 21 Horizontal hole part 21a Small-diameter horizontal hole part 22 Opening which forms a selective sliding part 23 Capture container 25a Step conveyance part 30 Component input hoppers 34a and 34b Punching metal which forms an uneven plate 50 Parts introduction guide Protrusions forming

Claims (9)

A component alignment supply method for untangling a plurality of components and aligning those components,
A storage container in which the components are stored;
An air injection nozzle provided on the ceiling of the storage container,
A rod-like member that is provided at the bottom of the storage container facing the ceiling part, stands in the direction of the ceiling part, and blows compressed air from the air injection nozzle to the head located at the tip of the ceiling part side; and the parts soared by the compressed air, the peripheral wall of the container between the outside to the bottom of the container with compressed air and said ceiling portion having a discharge port for releasing in a direction parallel said bottom Prepared,
After the entangled part is stored in the storage container, the compressed air is injected from the air injection nozzle onto the rod-shaped member, and the part is lowered from the periphery of the rod-shaped member in the storage container, and the peripheral wall So that the parts rise up and stir from
With in the compressed air is discharged from the discharge port and out one by one up the parts from the discharge port,
A discharge passage connected to an outlet side of the discharge port, and the discharge passage is inclined so as to be separated from the peripheral wall portion toward the bottom side from the ceiling portion; and an outlet side of the inclined shaft portion A side hole portion communicating with the bottom hole portion, the side hole portion being provided in parallel with the bottom portion,
The component alignment and supply method , wherein the component jumping out together with the compressed air from the discharge port collides with a wall of the inclined shaft portion .   The air flow generated when the compressed air is injected from the air injection nozzle causes the parts to rise so as to descend from the periphery of the rod-shaped member and rise from the peripheral wall portion, and rotate around the rod-shaped member. 2. The component alignment supply method according to claim 1, wherein the component alignment supply method is formed as a spiral flow.   A protrusion is formed on the peripheral wall portion adjacent to the discharge port, and the protrusion is positioned downstream of the swirl flow with respect to the discharge port, and the component rotating with the swirl flow is the protrusion. The parts aligning and supplying method according to claim 2, wherein the parts are led to the outlet.   The said discharge port is provided in the site | part close | similar to the said ceiling part rather than the said bottom part, The said component that rose is discharged | emitted from the said discharge port, The Claim 1 characterized by the above-mentioned. Parts alignment supply method. The horizontal hole portion is provided with an opening in the middle thereof, and is provided below the opening, and includes a capture container that captures a component that falls from the opening, and the component that is in a poorly balanced state is disposed from the opening to the capture container. the method of component alignment supply claimed in any one of 4, characterized in that falling within. The discharge passage has a conveyance portion communicating with the outlet side of the horizontal hole portion, and an inner diameter of a part of the conveyance portion is smaller than an inner diameter of the horizontal hole portion, and the part passing through the conveyance portion has the inner diameter the method of component alignment supply claimed in any one of 5, characterized in that abuts against the smaller portion. Said ceiling portion or uneven pattern is formed continuously with said bottom, said part to be stirred in the storage vessel according to any one of 6 claim 1, characterized in that catching on the uneven pattern Parts alignment supply method. The storage container includes a bowl-shaped lower part storage container positioned in the bottom direction and a bowl-shaped upper part storage container positioned in the ceiling direction, and the lower part storage container includes the upper part storage container. It has an opening part that is provided so as to be able to be pulled out and into which the parts are put into the pulled out lower part storage container. After the parts are put into the lower part storage container from the opening part, it is directly under the upper part storage container. the method of component alignment supply according to any one of claims 1 to 7, characterized in that after returning to the lower part container, injecting the compressed air. The components, methods of component alignment supply according to any one of claims 1 8, characterized in that a coil spring.

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