JPH0579450B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic parts supply device, and more specifically, for example, when a valve guide is press-fitted into a cylinder head constituting an internal combustion engine, a predetermined number of parts supply devices are used. To accurately and reliably feed valve guides to a press-fitting device while spacing them at desired intervals, and to automatically arrange and feed the valve guides corresponding to at least two different types of cylinder heads by a single device. This invention relates to an automatic parts supply device that makes possible the following.

[Background of the Invention] In factories, engines that constitute internal combustion engines are assembled quickly and efficiently using automated line production processes. For example, in the process of assembling valve guides into a cylinder head in advance in order to mount an inlet valve or an outlet valve on the cylinder head, the valve guides transported via a parts feeder or the like are delivered to a predetermined number of valve guides via an automatic supply device. This is automatically performed by arranging the valve guides at desired intervals and feeding them to a press-fitting device, and then press-fitting the valve guide into the cylinder head via the press-fitting device.

By the way, engines usually have various configurations such as 2 cylinders, 3 cylinders, 4 cylinders, and 6 cylinders, and because they employ different mechanisms such as 2 valves or 4 valves, there are many types of engines. ing.

However, in this case, the conventional automatic supply device is configured to set the number of valve guides to be supplied and the spacing between the valve guides in accordance with one type of engine. That is, if the engine is different, the press-fitting angle, press-fitting position, number of press-fitting, etc. of the valve guides press-fitted into the engine will be different. Therefore, if there are many types of engines to be assembled, it is necessary to prepare automatic feeding devices corresponding to the number of engines. As a result, this is not economically acceptable, and the automatic feeding device occupies a considerable amount of space in the workplace, making it difficult to effectively utilize the narrow workplace. In particular, it is simply not possible to support the current multi-model, low-volume production system.

[Object of the Invention] The present invention has been made to overcome the above-mentioned disadvantages. a positioning member, a second positioning member that arranges the parts fed from the first positioning member at a distance corresponding to various loading sites, and an assembly device for each part received from the second positioning member. and a holding member that is swingable to send out the parts, and the holding member is formed with two or more types of part fitting parts whose number and spacing of parts are selected corresponding to the various loading parts, Accordingly, the parts can be reliably supplied from the distribution device to the assembly device,
Moreover, the parts automatic supply device makes it possible to arrange and hold the parts in each part fitting part of the holding member, and to automatically and easily incorporate desired parts into different types of loading parts with a single device. The purpose is to provide

[Means for Achieving the Object] In order to achieve the above-mentioned object, the present invention provides a method for loading a predetermined number of parts into desired loading positions in advance in order to load the parts into at least two different loading positions. An automatic parts supply device that adjusts and arranges parts at intervals and sends them to a parts loading device, the device comprising: a first positioning member for receiving parts aligned and fed through a parts distribution device; and a flexible part for the first positioning member. a second positioning member connected through the tubular body and arranging the parts fed from the tubular body at desired intervals corresponding to various loading sites;
At least two types of part fitting parts are formed with different spacings corresponding to the various loading parts, and are configured to be able to face a second positioning member and a parts loading device, and are fed out from the second positioning member. The present invention is characterized by comprising a parts holding member that holds the parts to be inserted into a predetermined part fitting portion and feeds the parts to a parts loading device.

Further, the present invention provides first and second part holding members formed with at least two types of part fitting parts, and pairs are provided to various loading sites via the first and second part holding members, respectively. The device is characterized in that it is configured to feed parts.

Further, the present invention provides a first and a second movable body.
The parts holding member is mounted so as to be integrally rotatable under the action of an actuator, and the movable main body is configured to move forward and backward in a direction substantially perpendicular to a parts loading device side and a direction substantially perpendicular to the parts loading device side. .

Furthermore, the present invention is characterized in that the parts fitting section is substantially comprised of a hole into which the part fits up to a predetermined length, and the part is configured to be fixable to the parts fitting section via a locking means. .

[Embodiments] Next, preferred embodiments of the parts automatic supply device according to the present invention will be described in detail with reference to the accompanying drawings.

In FIG. 1, reference numeral 10 indicates an automatic parts supply device according to this embodiment. In this case, the parts automatic supply device 10 is mounted on the work floor 12, and the parts automatic supply device 10 is mounted on the upper walls 14a and 14b horizontally suspended above the floor surface 12. A parts distribution device 16 is provided that arranges and feeds a predetermined number of parts, such as valve guides (described later), at equal intervals.

Therefore, first, the parts distribution device 16 will be explained. That is, support columns 18a, 20a and 1 having different heights are installed on the upper walls 14a and 14b, respectively.
parts feeders 22a and 24a are provided on the large-height pillar 18a and small-height pillar 20a, while parts feeders 24b, 22b are provided on the other pillars 18b, 20b.
will be placed. The parts feeder 22a, 22
b is a valve guide 26a for an outlet valve that is press-fitted into a single cylinder head (described later).
and an inlet valve valve guide 26b are supplied. Similarly, parts feeder 24a,
24b has a valve guide 27a for an outlet valve and a valve guide 27 for an inlet valve, respectively.
b is accommodated, and the valve guide 27
a and 27b are fed to other cylinder heads (not shown).

parts feeders 22a, 22b and 24a,
One end of coil spring-like flexible tubular bodies 28a, 28b and 28c, 28d are connected to 24b, respectively.
The other ends of 8c and 28d are arrangement mechanisms 30a and 30b.
and 32a, 32b.

That is, the frame 34 is attached to the upper wall portions 14a and 14b.
a, 34b are erected, and on the pedestal 34a are arranged mechanisms 30a,
32a are provided vertically and in parallel, and arrangement mechanisms 30b and 32b that are oriented in the vertical direction and inclined parallel to each other are similarly arranged on the pedestal 34b.

The plate body 36 constituting the arrangement mechanism 30a is the pedestal 34
As shown in FIG.
Grooves 38a to 38j extending in the vertical direction and having a width larger than the diameter of a are formed in parallel to each other. One end of a coil spring-like flexible tubular body 40a is engaged with the plate body 36 so as to communicate with the lower end portions of the grooves 38a to 38j, respectively.
In this case, it goes without saying that the number of grooves 38a to 38j can be increased or decreased as necessary.

A cylinder 42 is fixed to one side of the plate 36 in a direction perpendicular to the grooves 38a to 38j, and a distribution member 46 is engaged with a piston rod 44 of the cylinder 42. The distribution member 46 extends in a direction perpendicular to the piston rod 44, and a parts fitting groove 48 is formed in the lower part of the distribution member 46 in parallel with the grooves 38a to 38j of the plate body 36. Further, a stopper portion 50 is formed protruding from the upper end of the distribution member 46 and extends a predetermined length toward the cylinder 42 at right angles thereto. The stopper part 50 is operated under the action of the cylinder 42 to stop the distribution member 4.
When the valve guide 6 is displaced in the direction of the arrow A, the end face 52 thereof holds the valve guide 26a inside the tubular body 28a to prevent the valve guide 26a from falling. Furthermore, a locking member 53 that enters into the fitting groove 48 is locked to the distribution member 46 at a predetermined position. Therefore, the valve guide 26a that is fed into the arrangement mechanism 30a from the flexible tubular body 28a that is attached to one end edge of the plate body 36 enters into the fitting groove 48 of the distribution member 46, and the valve at the lowest end thereof is inserted into the fitting groove 48 of the distribution member 46. When the guide 26a comes into contact with the locking member 53, a predetermined number of holes are formed in the fitting groove 48, for example,
Eight valve guides 26a are arranged coaxially. That is, the arrangement mechanisms 30a, 30b
A valve guide 26a for an outlet valve and a valve guide 26b for an inlet valve are supplied to a cylinder head (described later) constituting a 4-cylinder, 4-valve engine through the valve. Therefore, when feeding another valve guide to a different cylinder head via the above-mentioned arrangement mechanism 30a, the position of the locking member 53 is selected and the fitting groove 4 is
The number of valve guides 26a housed in the valve guide 8 may be adjusted, and the distribution plate described later may be replaced with a desired one.

Note that guide bars 54a, 54 are provided on the distribution member 46.
b are fitted, and this distribution member 46 is driven by the guide bars 54a, 54 under the driving action of the cylinder 42.
b, and is configured to be preferably displaced in a direction orthogonal to the grooves 38a to 38j.

Next, a distribution plate 5 is disposed on the upper surface of the plate body 36.
6 is removably attached via a fixing screw 58. The valve guide 26 is attached to the distribution plate 56.
Eight rectangular openings 60a to 60h are formed, each having a size selected to allow insertion of the openings 60a to 60h. The openings 60a to 60h are provided at positions corresponding to the grooves 38a to 38h of the plate body 36, respectively, and the openings 60a to 60h are provided in the distribution member 4.
The uppermost opening 60a is located close to the distribution member 46, and the lowermost opening 60h is located close to the distribution member 46. It is the furthest away from 46.

On the other hand, the other end of each tubular body 40a is connected to the support member 6.
2 and is fixed so as to be oriented vertically downward.

Note that the array mechanism 30b is the same as the array mechanism 30 described above.
It is constructed in the same manner as a, and the same reference numerals and the suffix a are attached to the same constituent elements, and detailed explanation thereof will be omitted. In this case, one end of a plurality of flexible tubular bodies 40b for conveying valve guides is connected to the plate body 36a constituting the arrangement mechanism 30b, and the other end of each tubular body 40b is fixed to the support member 62a. .

Furthermore, a set of arrangement mechanisms 32a, 32b for feeding the valve guides 27a, 27b to different cylinder heads is configured similarly to the arrangement mechanism 30a, and in this case, the arrangement mechanisms 32a, One end of a plurality of flexible tubular bodies 63a, 63b for conveying valve guides is connected to 32b, the other end of the tubular body 63a is engaged with the support member 62, and the other end of the tubular body 63b is It is fixed to the support member 62a.

The parts automatic supply device 10 according to this embodiment is disposed below the parts distribution device 16 configured as described above. In this case, the automatic parts supplying device 10 essentially includes the valve guides 26a, 26b and 27a, 2 that are sent out via the arrangement mechanisms 30a, 30b and the arrangement mechanisms 32a, 32b.
7b at predetermined intervals, and the press-fitting device 6
It is fed to the 4th side.

That is, as shown in FIG. 1, a base 65 constituting the parts automatic supply device 10 is placed on the floor 12, and a set of parallel rail members 66a, 66b are mounted on the base 65. extends in the longitudinal direction of the base 65. A base 68 is mounted on the rail members 66a and 66b, and a support rod 70 is erected at one end of the base 68, and a mounting plate 71 is installed at the upper end of the support rod 70.
The upper positioning plate 72 is fixed thereto. The upper positioning plate 72 is connected to the tubular bodies 40a, 40b and 63 parallel to the support members 62, 62a of the parts dispensing device 16 and connected to the alignment mechanisms 30a, 30b and 32a, 32b.
Holes 74a to 74j, 7 coaxial with a, 63b
4k to 74t and 76a to 76j, 76k
76t are formed through (see FIG. 3).

Further, a lower positioning plate 78 that is inclined with respect to the horizontal direction is detachably attached to the support rod 70. In this case, the lower positioning plate 78 is provided with press-fit attachments 64a to 64h and 64 of the press-fit device 64 in order to assemble the valve guides 26a, 26b to the cylinder head (described later).
Holes 80a to 80h and 80i to 80 whose respective spacing distances are selected corresponding to i to 64p.
p is formed. Further, the lower positioning plate 78 has the holes 80a to 80h and 80i.
Other valve guides 27a,
Holes 81a to 81 for fitting and holding 27b
h and 81i to 81p are drilled at predetermined intervals. The holes 74a to 74h, 74k to 74r, 76a to 76h, 76k to 76r of the upper positioning plate 72 and the holes 80a to 80h, 80 of the lower positioning plate 78
i to 80p and holes 81a to 81h, 81
i to 81p are a plurality of flexible tubular bodies 82a, 82
b and a plurality of flexible tubular bodies 83a, 83b.

Further, a movable main body 84 is mounted on the base 68 so as to be freely displaceable with respect to the base 68 in the longitudinal direction of the base 65 and in a direction perpendicular to the longitudinal direction.
As shown in FIGS. 3 and 4, the base 68 includes an actuator, such as a first cylinder 86.
is fixed to the piston rod 86a of the first cylinder 86, and a movable base 88 is engaged with the piston rod 86a of the first cylinder 86. In this case, the first cylinder 86 is used as the actuator, but a servo motor may be used instead of the first cylinder 86, and a ball screw extending from the servo motor may be fixed to the moving table 88. Of course it is possible.

Guide bars 9 are provided on both sides of the first cylinder 86, respectively.
0a and 90b are provided, and the guide bar 90
A moving table 88 is guided via a and 90b. A second cylinder 92 is fixed to the movable table 88 in a direction perpendicular to the first cylinder 86, and guide bars 94a and 94b are provided on both sides of the second cylinder 92. A movable body 84 is engaged with the piston rod 92a of the second cylinder 92, and the movable body 84 is driven by the guide bars 94a, 9 under the driving action of the second cylinder 92.
4b, it moves forward and backward relative to the press-fitting device 64.

The upper surface portion 84a of the movable main body 84 is inclined at a predetermined angle with respect to the horizontal direction, and rotary shafts 96a, 96b are rotatably mounted on the inclined upper surface portion 84a, and parts are rotated through the rotary shafts 96a, 96b. The holding members 98a and 98b are configured to be able to face the lower positioning plate 78 and the press-fitting device 64. That is, a cylinder 100 is fixed to the movable main body 84, and a rack 102 is engaged with a piston rod (not shown) extending from the cylinder 100.
On the other hand, a pinion 104 that meshes with the rack 102 is provided on a rotating shaft 96b that is rotatably supported on the upper surface portion 84a.
A relatively large diameter gear 10 pivotally attached to a and 96b
6a and 106b mesh with each other. Further, arm members 108a, 108 are attached to the rotating shafts 96a, 96b.
b is externally fitted and engaged.

The arm members 108a and 108b are connected to the rotation shaft 9.
Cylindrical portions 110a and 110 that fit externally into 6a and 96b
b, and a mounting portion 112a that bulges toward one end side of the cylindrical portions 110a and 110b and has an inclined end surface.
112b. Then, the mounting portion 112
Part holding members 98a and 98b are removably attached to the end faces of parts a and 112b via fixing screws (not shown).

As shown in FIGS. 4 to 6, the parts holding member 98a has first and second parts that are coaxial with the holes 80a to 80h and 81a to 81h when facing the lower positioning plate 78. Fitting portions 113a and 113b are formed. In this case, the first part fitting part 113a is substantially composed of holes 114a to 114h separated by a predetermined distance,
The holes 114a to 114h are arranged in the arrangement mechanism 30a.
It fits and stores the valve guide 26a that is dropped and supplied from the valve guide 26a.
is selected to be shorter than the length of . On the other hand, the second part fitting part 113b consists of holes 116b to 116h, and each of the holes 116a to 116h similarly accommodates a valve guide 27a supplied from the arrangement mechanism 32a.
Formed into a shorter length.

As shown in FIG. 6, a guide hole 118 is provided in the parts holding member 98a so as to be orthogonal to the holes 114a to 114h and 116a to 116h, and to communicate a part of each.
It is formed to penetrate in the longitudinal direction of a. Said guide hole 1
A rod 120 is inserted through the rod 18, and each end of the rod 120 has a large diameter flange portion 12.
2a and 122b, and a rotating body 124 is supported on the lower flange portion 122b. The rod 120 is selected to have a smaller diameter than the guide hole 118, and large diameter portions 126a to 126g are provided at predetermined positions of the rod 120, respectively, to fit into the guide hole 118 (see FIG. 5).

Next, the rod 120 has a flange portion 122a.
A first lock member 128a is slidably fitted between the large diameter portion 126a and the large diameter portion 126a. The first locking member 128a has a substantially cylindrical shape with a tapered surface 130a that is oriented in the axial direction and gradually reduces in diameter in the radial direction, and the large diameter side of the first locking member 128a is the flange portion 122a side. Fit it onto the rod 120 so as to face it. Then, both ends of a coil spring 132a having a relatively small resiliency are engaged with the first lock member 128a and the flange portion 122a, whereby the first lock member 128a is moved through the tensile force of the coil spring 132a. The robot is then suspended at a predetermined height.

Furthermore, each rod 120 has a large diameter portion 1.
A second lock member 128b to an eighth lock member 128h are slidably fitted onto the outside of the lock members 128b to 128h via coil springs 132b to 132h that are engaged with the lock members 128b to 126g, respectively. first locking member 128
As in a, the flange portion 122 of the rod 120
Tapered surface 130b that gradually decreases in diameter toward the b side
130h are formed.

On the other hand, a return spring 134 having a larger elastic force than the above-described coil springs 132a to 132h is interposed between the lower surface part of the parts holding member 98a and the flange part 122b of the rod 120.
The rod 120 is pulled vertically downward by the elastic force of the return spring 134.

A rotating shaft 96a is provided on the upper surface portion 84a of the movable main body 84.
Mounting plates 142a,
One end of 142b is fixed to the mounting plate 142.
Fixed cam members 144a, 144b are engaged with the other bent ends of a, 142b. Inclined cam surfaces 146a and 146b are formed on the upper portions of the fixed cam members 144a and 144b, respectively, and a parts holding member 98a is formed under the rotational movement of the rotating shaft 96a.
When the rotating body 124 supported by the rod 120 engages with the cam surface 146a of the fixed cam member 144a when the part holding member 98a faces the press-fitting device 64, Similarly, the rotating body 124 engages with the cam surface 146b of the fixed cam member 144b.

Further, first and second part fitting portions 113c and 113d are formed in the parts holding member 98b. The first and second part fitting portions 113
c, 113d are holes 114i to 114p and hole 1 coaxial with holes 80i to 80p and holes 81i to 81p of the lower positioning plate 78;
It consists of 16i to 116p. Note that the parts holding member 98b is the same as the parts holding member 98a described above.
The configuration is similar to that of the above, and other detailed explanations will be omitted.

The parts automatic supply device according to this embodiment and the parts distribution device for feeding parts to the parts automatic supply device are basically configured as described above, and the functions and effects thereof will be explained next. do.

The parts automatic supply device 10 according to this embodiment is used for press-fitting predetermined valve guides into two different types of cylinder heads. In this case, as shown in FIG. The operation of press-fitting the valve guides 26a, 26b into the valve guide holes 152a, 152b of the cylinder head 150 constituting the valve engine will be described. In addition, in FIG. 7, reference numerals 154a and 154
b indicates a valve seat, which is similar to the valve seat 15 mentioned above.
4a and 154b are press-fitted into the cylinder head 150 at the same time when the valve guides 26a and 26b are assembled into the cylinder head 150.

Therefore, first, the valve guide 26a,
The process of conveying 26b will be described in detail.

A large number of valve guides 26a and 26b are supplied to the parts feeders 22a and 22b, respectively.
The arrangement mechanism 30 is operated via the tubular bodies 28a and 28b under the driving action of the parts feeders 22a and 22b.
The valve guides 26a and 26b are sequentially sent out to ports a and 30b. Here, as shown in FIG. 2, the valve guide 26a sent from the tubular body 28a to the arrangement mechanism 30a enters the fitting groove 48 formed in the distribution member 46, and falls along the slope of the pedestal 34a. and is displaced so that its tip abuts against the locking member 53. Therefore, the tubular body 28a
The valve guide 26a that is fed in through the fitting groove 48 is arranged in the fitting groove 48. In this case, there are eight valve guides 26a in the fitting groove 48.
are arranged, and the ninth valve guide 26a is located on the same line as the end surface 52 of the stopper portion 50 of the distribution member 46.

Next, when the piston rod 44 is displaced in the direction of arrow A under the driving action of the cylinder 42, the distribution member 46 attached to the piston rod 44 is moved.
is guided by guide bars 54a and 54b and displaced in the direction of arrow A while holding eight valve guides 26a. For this reason, first, the eighth valve guide 26a located at the highest position is connected to the distribution plate 5.
6, falls from the opening 60a toward the plate 36, and enters the groove 38a formed in the plate 36. Since the plate body 36 is oriented in the vertical direction and is inclined, the groove portion 38a
The valve guide 26a that has fallen down slides and enters the tubular body 40a that communicates with the groove portion 38a.
Furthermore, when the distribution member 46 is displaced in the direction of arrow A, the next valve guide 26a (seventh) falls from the opening 60b into the groove 38b of the plate 36, and slides along the slope of the groove 38b. and reaches another tubular body 40a.

As described above, as the distribution member 46 is displaced in the direction of arrow A, the valve guide 26a housed in the fitting groove 48 is sequentially moved through the openings 60a to 60h of the distribution plate 56 to the groove 38a of the plate body 36.
38h, and the valve guide 26a reaches each tubular body 40a, and then the valve guide 26a reaches the respective tubular body 40a.
0a, reaches the support member 62, and is dropped and supplied into the holes 74a to 74h of the upper positioning plate 72 facing the support member 62.

Furthermore, by displacing the piston rod 44 in the direction opposite to the arrow A under the action of the cylinder 42 and repositioning the distribution member 46 to the position shown in FIG. The guides 26a enter into the fitting grooves 48, and eight new valve guides 26a are held within the fitting grooves 48.

On the other hand, from the parts feeder 22b to the tubular body 28b
The valve guide 26b fed to the arrangement mechanism 30b via the arrangement mechanism 30a is fed into the holes 74k to 74r of the upper positioning plate 72 via the plurality of tubular bodies 40b.

The valve guide 26a reaching the holes 74a to 74h of the upper positioning plate 72 is fed to the holes 80a to 80h of the lower positioning plate 78 via a plurality of tubular bodies 82a. The holes 80a to 80h of the lower positioning plate 78 are connected to the press-fit attachments 64a to 64 of the press-fit device 64.
The eight valve guides 26a, whose respective separation distances are adjusted by the holes 80a to 80h, are connected to the parts holding member 98a facing the lower positioning plate 78. It falls and fits into the holes 114a to 114h. At this time, as shown in FIGS. 5 and 6, the rotating body 1 supported on one end of the rod 120
24 engages the cam surface 146a of the fixed cam member 144a, the rod 120
It is displaced upward against the elastic force of 4. Therefore, the first lock member 12 attached to the rod 120
8a to 8th locking members 128h are held by coil springs 132a to 132h, and lock members 8a to 128h are held in the hole portion 11.
4a to 114h, and the valve guide 26
a is located in each hole 1 without being blocked by the first lock member 128a to the eighth lock member 128h.
14a to 114h.

On the other hand, the hole 80i of the lower positioning plate 78
The valve guide 26 is fed dropwise within 80p.
b denotes the holes 114i to 1 of the parts holding member 98b.
It is inserted and positioned within 14p.

After the valve guides 26a and 26b are fitted and fed into the parts holding members 98a and 98b in this manner, the cylinder 100 is driven to displace the rack 102 in the direction of arrow B. Therefore, as shown in FIG. 4, the pinion 1 meshing with the rack 102
The rotating shaft 96b rotates in the direction of the arrow via 04,
A rotating shaft 96a meshing with the rotating shaft 96b via gears 106a and 106b rotates in the direction of the arrow. Therefore, the arm members 108a and 108b rotate in different directions, and the arm members 108a and 108b rotate in different directions.
A part holding member 98a fixed to the mounting portion 112a of a faces the press-fitting device 64.

At this time, when the part holding member 98a rotates in the direction of the arrow via the arm member 108a, the rotating body 124 of the rod 120 provided on the part holding member 98a is displaced along the cam surface 146a and separated from the fixed cam member 144a. It comes to that. As a result, the rod 120 descends within the guide hole 118 through the elastic force of the return spring 134, and its flange portion 122a and large diameter portions 126a to 126g
Coil springs 132a to 132 that engage with
The locking members 128a to 128a through the elastic force of h
8h is pressed downward. For this reason, the hole 11
4a to 114h, and one end is inserted into the guide hole 118.
Each of the valve guides 26a entering the valve guide 26a is connected to the tapered surface 1 of the locking members 128a to 128h.
30a to 130h, the holes 114
It ends up being fixed within the range a to 114h.

Furthermore, when the rack 102 is displaced in the direction of arrow B under the driving action of the cylinder 100 and the rotating shaft 96a is rotated, the rotating body 124 supported by the rod 120 is rotated against the cam surface 14 of the fixed cam member 144b.
6b. As a result, the rod 120 rises against the elastic force of the return spring 134, and the coil springs 132a to 132h, which had been pressing the lock members 128a to 128h, are de-energized, and the lock members 128a to 128h are turned off. As a result, the fixing action of the valve guide 26a is released.

As described above, as the rotating shaft 96b rotates under the driving action of the cylinder 100, the arm member 10 attached to the rotating shaft 96b rotates.
The part holding member 98b is connected to the press-fitting device 6 via the press-fitting device 8b.
Facing the 4th side.

Next, as shown in FIG.
2, move the piston rod 92a in the direction of arrow C.
When the movable main body 84 is displaced in the direction, the movable main body 84 engaged therewith is guided by the guide bars 94a and 94b and is displaced in the direction of the arrow C with respect to the movable base 88. Therefore,
Each part holding member 98a, 98b is displaced integrally with the movable main body 84 in the direction of arrow C, and the first part fitting portion 113a of the part holding member 98a is
The valve guides 26a arranged and stored in the press-fitting attachments 64a to 64h of the press-fitting device 64
will be sent out.

Therefore, under the driving action of the second cylinder 92, the piston rod 92a is displaced in the direction opposite to the arrow C to separate the movable main body 84 from the press-fitting device 64, and then the first cylinder 86 is driven. Therefore, the piston rod 86a is displaced in the direction of arrow D, and the movable base 88 is moved in the direction of arrow D together with the movable main body 84. At that time, the press-fitting device 64 is rotated at 180°, for example.
The press-fitting attachments 64i to 64p of the press-fitting device 64 face the part holding member 98b by the pivoting operation. Further, as described above, under the action of the second cylinder 92, the valve guide 26b held in the first part fitting portion 113c of the part holding member 98b is inserted into the press-fit attachments 64i to 6.
After feeding out the movable body 84 to the press-fitting device 6
Separate from 4.

In this way, the respective parts holding members 98a, 9
Valve guides 26a, 2 are inserted into the press-fitting device 64 from 8b.
6b, the cylinder 100 is driven to displace the rack 102 in the direction opposite to the arrow B, and the rotating shaft 96b and the respective gears 106a, 1 are connected thereto via the pinion 104 that meshes with the rack 102.
06b and the rotating shaft 96a that is engaged with the rotating shaft 96a is rotated in the direction opposite to the arrow. Therefore, the arm members 108a, 108b are attached to the respective rotating shafts 96a, 96b.
parts holding member 98a,
Valve guides 26a and 26b 98b are pivoted to a position facing the lower positioning plate 78 and are conveyed via the arrangement mechanisms 30a and 30b.
I ended up waiting to receive it.

On the other hand, the press-fitting device 64 is connected to the desired valve guide 26.
a, 26b, the valve guide 2
6a and 26b are press-fitted into the cylinder head 150. To roughly explain the press-fitting operation of the valve guides 26a and 26b, first, the press-fitting device 64 is rotated to connect the press-fitting attachments 64a to 6.
4h is positioned relative to the cylinder head 150, and the cylinder head 150 is rotated by a predetermined angle to position the valve guide hole 152a, for example, coaxially with respect to the press-fit attachment 64a.

Next, when the press-fit attachments 64a to 64h are displaced toward the cylinder head 150 under the driving action of a cylinder (not shown), the valve guide 2 held by the press-fit attachment 64a
6a is the valve guide hole 1 of the cylinder head 150
52a. At that time, the valve seat 154a is inserted into the cylinder head 1 coaxially with the valve guide 26a through another press-fitting device (not shown).
50.

Furthermore, the press-fitting device 64 is rotated 180 degrees, while
By rotating the cylinder head 150 by a predetermined angle, the valve guide holes 152b of the cylinder head 150 are press-fitted with the attachments 64i to 64.
For example, it is positioned coaxially with the press-fit attachment 64i. Then, by displacing the press-fit attachments 64i to 64p toward the cylinder head 150, the press-fit attachments 64i to 64p
The valve guide 26b held in the valve guide 26b is press-fitted into the valve guide hole 152b, and the valve seat 154b is coaxially attached to the valve guide 26b via a press-fitting device (not shown).

In this case, according to this embodiment, for example, the valve guide 26a sent out via the parts distribution device 16 can be reliably fed to the press-fitting attachments 64a to 64h of the press-fitting device 64.

That is, as described above, the parts dispensing device 1
The arrangement mechanism 30a constituting the valve guide 26
a are always spaced at equal intervals and sent out in desired numbers to the upper positioning plate 72 constituting the automatic parts supply device 10. For this reason, the parts insertion hole 74 of the upper positioning plate 72
If the valve guides a to 74j are provided at the same distance from the respective tubular bodies 40a fixed to the support member 62, the valve guide 26a can be reliably transported from the parts distribution device 16 to the parts automatic supply device 10. You can. Further, a lower positioning plate 78 is connected to the upper positioning plate 72 via a flexible tubular body 82a, and the lower positioning plate 78 and the parts holding member 9
8a is the press-fit attachment 64 of the press-fit device 64.
Holes 80a to 80h and holes 114a to 1 whose respective spacing distances are selected corresponding to holes a to 64h.
14h is provided. Therefore, the valve guide 26a sent from the upper positioning plate 72 to the part holding member 98a via the lower positioning plate 78 can be accurately delivered to the press-fitting attachments 64a to 64h of the press-fitting device 64.

Furthermore, in the parts automatic supply device 10, in addition to the cylinder head 150 described above, desired valve guides 27a and 27 are provided for other cylinder heads of different types from this cylinder head 150.
b can be supplied.

That is, as shown in FIG. 1, the parts distribution device 16 includes not only parts feeders 22a and 22b that supply valve guides 26a and 26b incorporated into the cylinder head 150, but also valve guides 27a and 26b.
Parts feeder 24 for aligning and conveying parts 27b
a, 24b. Therefore, the distribution mechanisms 32a, 3 are distributed from the respective parts feeders 24a, 24b.
Valve guides 27a, 27b sent to 2b
The holes 76a to 76h of the upper positioning plate 72 constituting the parts automatic supply device 10 are equally spaced apart from each other through the tubular bodies 63a and 63b.
6k to 76r. Furthermore, the aforementioned valve guides 27a, 27b have tubular bodies 83a,
After being fed to the holes 81a to 81h and 81i to 81p of the lower positioning plate 78 via 83b, it is fitted and held in the holes 116a to 116h and 116i to 116p of the parts holding members 98a and 98b, respectively. . As described above, each part holding member 98a, 98b
Under the driving action of the cylinder 100, it is pivoted to face a press-fitting attachment (not shown) of the press-fitting device 64.

At that time, when the parts holding member 98a rotates and the rotating body 124 is separated from the fixed cam member 144a, the rod 120 with this rotating body 124 attached
are lowered by the elastic force of the return spring 134, and each of the locking members 128a to 128h closes in the hole 116.
Valve guide 27 fitted to a to 116h
Press a to fix it. This can prevent the valve guide 27a from separating from the parts holding member 98a.

Next, the valve guides 27a and 27b held by the parts holding members 98a and 98b are inserted into the press-fitting device 64 under the driving action of the cylinders 86 and 92, respectively.
send it to the side. In this case, the holes 116a to 1
The respective spacings of valve guides 16h and 116i to 116p are selected to correspond to cylinder heads (not shown), and the valve guides 27a, 27b can be press-fitted into the cylinder heads via the press-fitting device 64.

[Effects of the Invention] As described above, according to the present invention, parts sent out from a parts distributing device at equal intervals are arranged at predetermined intervals via a positioning plate corresponding to two or more different types of workpieces. At the same time, the parts are spaced apart from each other by a predetermined distance, and are fitted into predetermined part fitting portions of part holding members arranged at predetermined intervals, respectively, and the parts are sent out with the part holding members facing a parts loading device. In this way, the parts that are always fed in a predetermined number from the parts distributing device at equal intervals are arranged at desired intervals to correspond to the parts loading device, and then fixed with the parts holding member. Since the parts are sent to the parts loading device, the parts can be supplied extremely reliably and efficiently.

Moreover, the parts are arranged and held in correspondence with at least two different types of workpieces via the parts holding member, and the parts holding member is configured to be freely displaceable in a predetermined direction with respect to the parts loading device. This makes it possible to reduce the manufacturing cost of the device at once compared to the conventional method in which separate parts supply devices are provided for each different workpiece, and to supply desired parts to a variety of different workpieces. One advantage is that it can be supplied automatically.

Although the present invention has been described above with reference to preferred embodiments, the present invention is not limited to these embodiments, and various improvements and changes in design are possible without departing from the gist of the present invention. Of course.

[Brief explanation of the drawing]

FIG. 1 is a partially omitted front view of an automatic parts supply device and a parts distribution device according to the present invention, FIG. 2 is a partially omitted plan view of an arrangement mechanism constituting the parts distribution device shown in FIG. 1, and FIG. 4 is a partially omitted perspective view of the parts automatic supply device according to the present invention, FIG. 5 is a sectional view taken along the line -- in FIG. 4, and FIG. 6 is a partially plan view of the parts holding member shown in FIG. 5. , and FIG. 7 are explanatory diagrams of a state in which a valve guide supplied by the apparatus of the present invention is press-fitted into a cylinder head. 10... Parts automatic supply device, 16... Parts distribution device, 22a, 22b, 24a, 24b...
Parts feeder, 26a, 26b, 27a, 27
b...Valve guide, 30a, 30b, 32a,
32b... Arranging mechanism, 64... Press-fitting device, 72...
...Upper positioning plate, 78...Lower positioning plate, 84...Movable body, 96a, 96b...
...Rotating shaft, 98a, 98b...Parts holding member.

Claims (1)

[Scope of Claims] 1 Automatic supply of parts in which a predetermined number of parts are arranged in advance at desired intervals corresponding to various loading positions and sent to a parts loading device in order to load the parts into at least two different types of loading positions, respectively. The apparatus includes: a first positioning member for receiving parts aligned and fed through a parts distribution device; and a first positioning member connected to the first positioning member via a flexible tubular body and parts fed from the tubular body. a second positioning member for arranging the parts to be loaded at desired intervals corresponding to the various loading sites; and at least two types of part fitting portions having different spacings corresponding to the various loading sites. and a parts holding member that is configured to be able to face the second positioning member and the parts loading device, holds the parts sent out from the second positioning member in a predetermined parts fitting part, and feeds the parts to the parts loading device. An automatic parts supply device comprising: 2. The device according to claim 1, wherein at least 2
First and second part holding members formed with different types of part fitting portions are disposed, and each pair of parts is fed to each loading site via the first and second part holding members. An automatic parts supply device characterized by: 3. The device according to claim 2, wherein the first and second parts holding members are mounted on the movable body so as to be integrally rotatable under the action of an actuator, and the movable body is mounted on the parts loading device side and the parts loading device side. An automatic parts supply device characterized in that it is configured to move forward and backward in a direction substantially perpendicular to the device side. 4. The device according to claim 1 or 2, wherein the parts fitting section is substantially comprised of a hole into which the part fits to a predetermined length, and the part is configured to be fixable to the parts fitting section via a locking means. An automatic parts supply device characterized by: