JPS6117786Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a supply guide device for parts such as screws, etc., which receives screws, rivets, etc. (hereinafter referred to as screws) at a predetermined position, transfers them to another position, and supplies them.

Generally, when assembling parts that are intermittently transferred onto a transfer machine, screws are fed onto the parts by a screw feeding guide device.
Conventional screw supply guide devices of this type can only supply screws to a single position, and cannot supply and assemble screws alternately or as needed to other mounting positions of a component.

For this reason, in order to supply screws to other positions on the part, it must be done at another position on the transfer machine, and because the supply guide device is not flexible, it is necessary to use the screw supply guide device redundantly. There was an inconvenience in having to set up a

This invention was made to solve this problem.
The object thereof is to provide a component supply guide device that can supply components such as screws to a plurality of positions as required by a single device.

The parts feeding device of the present invention is provided with a plurality of sliding shafts movable in the axial direction parallel to each other in a plurality of bearings separated from each other, and one end of each of the sliding shafts is provided with a screw, a rivet, etc. A support head for holding the parts and a collar are attached to each of the other ends, a bracket is attached to each of the sliding shafts, and between the bearings and the brackets, the sliding shafts are pressed in the direction of the one end. A spring is provided on each of the sliding shafts, and a slider that is connected to each other and capable of contacting the bracket is provided movably with respect to the sliding shaft, and at least one of the sliders is provided with a spring on the side of the sliding shaft. An operating section provided adjacent to the one end is coupled to enable the slider to be moved by the operating section, and a bearing near the collar is provided with a bearing that selectively prevents the collar from moving toward the one end. Therefore, a stopper is attached to prevent the sliding shaft from moving in the direction of the one end.

The present invention will be explained below based on the drawings.

1 to 5 show an embodiment of the present invention, in which first and second bearings 2 and 3 are attached to the front and rear portions of the machine base 1 in the longitudinal direction. In this embodiment, the bearings 2 and 3 have four sliding shafts 4,
5, 6, and 7 are arranged in parallel on the same plane.

A support head 8 of a screw type 50 is attached to one end of each sliding shaft 4, 5, 6, 7 protruding from the first bearing 2, and a support head 8 of a screw type 50 is attached to the middle part between it and the detent shaft 25. A bracket 24 is attached, and collars 37, 37', 38', 38 are attached to the other ends of the sliding shafts 4, 5, 6, 7 protruding from the second bearing 3.

Furthermore, a slider 27 is attached between the first bearing 2 and the bracket 24 of the sliding shafts 4 and 7 located on the outside of the four sliding shafts, and a slider 27 is attached to the sliding shaft 5 located on the inside. A slider 28 connected to the slider 27 of the sliding shaft 4 on the outside of this is attached,
A slider 28 connected to the slider 27 of the outer sliding shaft 7 is attached to the other sliding shaft 6 located on the inside.

Each of the sliding shafts 4, 5, 6, and 7 is screwed to a bracket 24 attached to the rotation prevention shaft 25, and is mounted so as not to rotate around the axis.

As shown in enlarged views in FIGS. 4 and 5, the support head 8 has a body 8', first and second head parts 9 and 10 attached to the body 8', and an opening/closing operation part for the support hole 11. are doing. At the ends of the first and second head parts 9 and 10, normally closed support holes 11 are formed which can hold screws 50 when assembled with each other. As shown in FIGS. 4 and 5, the opening/closing operation section is formed on the body 8' and a tension spring 12 that pulls the first and second head parts 9, 10 in the direction of closing the support hole 11. Fluid pressure cylinder 1
3. The piston rod 14 fitted therein has one end disposed on the piston rod 14 side, an intermediate part supported by the pin 17, and the other end in the engagement groove 1.
9 and a pin 20 engaged therewith, a first lever 15 is connected to the first head portion 9, one end of which is arranged parallel to one end of the first lever 15; , a second lever 16 whose intermediate portion is supported on a pin 18 and whose other end is integrally connected to the second head portion 10; the first and second levers 1;
5 and 16, and a link 21 connected via pins 22 and 23. This opening/closing operation section is made by assembling screws 50 into parts 51.
The piston rod 14 is advanced in the direction of arrow A by the fluid pressure cylinder 13 at the forward position where the piston rod is to be supplied.
The first lever 15 is rotated by the piston rod 14 around the pin 17 in the direction of the arrow R, and the first head portion 9 is rotated around the pin 18 in the direction of the arrow R through the engagement between the engagement groove 19 and the pin 20. At the same time, the second lever 16 is pushed in the same direction as the first lever 15 via the link 21.
The second lever 16 is rotated about the pin 18, the second head portion 10 is operated in the direction of arrow D, and the support hole 11 is opened. Further, when the pushing force of the piston rod 14 is released, the first and second head portions 9, 10 are pulled by the tension spring 12, and the support hole 11 is closed.

A compression spring 26 is installed between the second bearing 3 of each sliding shaft 4, 5, 6, 7 and the bracket 24, and this compression spring 26 causes each sliding shaft 4, 5,
6 and 7 are urged to advance to the forward position where screws are to be supplied.

As shown in FIG. 1, the slider 27 attached to the outer sliding shafts 4, 7 and the slider 28 attached to the inner sliding shafts 5, 6 are fitted with a protrusion 29. They are connected through fitting into the fitting groove 30.

The slider 27 attached to the outer sliding shafts 4 and 7 is connected to the operating lever 3 as shown in FIG.
It is linked to 3. This operating lever 33 is formed in a shape in which first and second arms 34 and 35 intersect, the first arm 34 is connected to a reciprocating rotating operating section (not shown) with a constant rotation angle, and the intermediate portion is a support. A roller follower 36 is provided at the end of the second arm 35 supported by the shaft 32, and the roller follower 36 is engaged with the engagement groove 31 formed in the slider 27. Therefore, when the operating lever 33 is rotated in the direction of arrow H in FIG. 2
The sliders 28 of the sliding shafts 5 and 6, which are coupled by the slider 27 through the protrusion 29 and the fitting groove 30, are pushed together in the direction of the arrow in the figure. 5, 6, and 7 are synchronously moved a certain distance in the direction of the arrow against the spring force of the compression spring 26, and the support head 8 is moved to a retracted position where the phase matches the supply pipe 49 of the screws 50. Ru.

The other end side of the sliding shafts 4, 5 adjacent to each other in the sliding shaft and the other end side of the sliding shafts 6, 7 are shown in FIGS. 1, 2, and 3. Stoppers 39, 40 are arranged so that the As shown in FIG. 3, each stopper 39, 40 has first and second arms 41, 42, and is rotatably supported via a pin 43 provided on the second bearing 3. There is. In addition, the stoppers 39 and 40 have a constant rotation angle.
It is linked to a switching operation section that can be rotated.
The switching operation section includes a fluid pressure cylinder 44, a piston rod 45 that is fitted into the hydraulic cylinder 44 and pushes the first arm 41, a tension spring 46 that pulls back the first arm 41, and a first arm 42 for positioning the second arm 42. , second pins 47 and 48.
Among the stoppers, one stopper 39 is connected to the collar 3 provided at the other end of the sliding shafts 4 and 5.
7, 37', and as shown in FIG.
When the sliding shaft is in contact with the first pin 47 for positioning, the adjusting screw 37a screwed onto the collar 37 of the sliding shaft 4 is inserted into the second arm 42 of the stopper 39 when the sliding shaft moves forward. The support head 8 of the sliding shaft 4 is stopped at a second forward position B, which is retracted from the first forward position A, and the support head 8 of the sliding shaft 5
is advanced to the first advance position A. Next, the fluid pressure cylinder 44 of the switching operation part of the stopper 39
The piston rod 45 is advanced, the first arm 41 is pushed forward by the piston rod 45, the stopper 39 is rotated in the direction of arrow T in FIG. 3, and the second arm 42 comes into contact with the second pin 48. Then, when the sliding shaft moves forward, the adjustment screw 37'a screwed onto the collar 37' of the sliding shaft 5 comes into contact with the second arm 42 of the stopper 39, and the support head of the sliding shaft 5 8 is stopped in the second forward position B, and the support head 8 of the sliding shaft 4 is advanced to the first forward position A. The other stopper 40 is provided so that screws 38a and 38'a screwed into collars 38 and 38' attached to the other ends of the sliding shafts 6 and 7 can selectively engage with each other. . As shown in FIG. 3, when the second arm 42 is in contact with the first pin 47, when the sliding shaft moves forward, the second arm 42 of the stopper 40 will cause the sliding shaft 7 to contact the second arm 42 of the stopper 40. color 3
8, the support head 8 of the sliding shaft 7 is stopped at the second forward position B, and the support head 8 of the sliding shaft 6 is advanced to the first forward position A. . Then, the piston rod 45 is advanced by the fluid pressure cylinder 44 of the switching operation part of the stopper 40, and the first arm 41 of the stopper 40 is pushed forward by the piston rod 45, so that the stopper 40 is moved in the direction of the arrow in FIG. When the second arm 42 is rotated and comes into contact with the second pin 48, the collar 38' of the sliding shaft 6 is screwed into the second arm 42 of the stopper 40 when the sliding shaft advances. The screw 38'a is brought into contact with the screw 38'a, so that the support head 8 of the sliding shaft 6 is stopped at the second forward position B, and the support head 8 of the sliding shaft 7 is advanced to the first forward position A. It is configured.

In the screw supply guide device configured as described above,
As shown in FIGS. 1 and 2, the sliding shafts 4 and 7
The stoppers 39, 40 are set so as to come into contact with the screws 37a, 38a, and the sliding shafts 4, 5,
When the operating lever 33 is operated to the forward side by a certain rotation angle with the screws 50 inserted and supported in the support holes 11 of the respective support heads 6 and 7, the sliding shafts 4,
5, 6, 7 are compression spring 26 and sliders 27, 28
As shown in FIGS. 1 and 2, the collars 37, 3 of the sliding shafts 4, 7
The screws 37a and 38a screwed into the stopper 3
9, 40, and therefore the support heads 8 of the sliding shafts 4, 7 are restricted to the second forward position B, which is retreated from the first forward position A, and the collars 3 of the sliding shafts 5, 6
7', 38' are not interfered with by the stoppers 39, 40, so the support heads 8 of the sliding shafts 5, 6 are advanced to the first forward position A.

When the support heads 8 of the sliding shafts 5 and 6 are advanced to the first forward position A and the support heads 8 of the sliding shafts 4 and 7 are advanced to the second forward position B, the support hole 11 is opened and closed. The operation part is operated to the open side, and the support hole 11
is opened, and at this point a push rod (not shown) is inserted into the support hole 11, and as shown in FIG. The screws 50 in the support hole 11 are parts 51
The screws 50 in the support holes 11 of the support heads 8 of the sliding shafts 4 and 7 advanced to the second forward position B are inserted into the second attachment holes 53 of the component 51, respectively. guided, pushed and fed;
After feeding, the support hole 11 is automatically closed by the action of the tension screw 12.

After the screws 50 are supplied from each support hole 11,
The operating lever 33 is operated to the return side, and the sliding shaft 4,
5, 6, and 7 are moved backward against the spring force of the compression spring 26, and each support head 8 is returned to the retracted position C in which its support hole 11 matches the position of the screw supply pipe 49.

At this retracted position C, the support holes 11 of each support head 8
The screws 50 in the supply pipe 49 are pushed in one by one with a push rod (not shown), and then the next sliding shaft 4,
Be prepared for advancement in 5th, 6th, and 7th.

Next, actuate the switching operation parts of the stoppers 39, 40, and the screws 37'a, 38'a screwed into the collars 37', 38' of the sliding shafts 5, 6 will
40, when the sliding shafts 4, 5, 6, 7 move forward, the screws 37'a, 38'a of the sliding shafts 5, 6 are brought into contact with the stopper 3.
9, 40, the support heads 8 of the slide shafts 5, 6 are stopped in the second forward position B, and the support heads 8 of the slide shafts 4, 7 are advanced to the first forward position A. . Therefore, the screws 50 can be guided and supplied to a position that is out of phase with the position shown in FIGS. 1 and 2.

In the present invention, the number of sliding shafts and members attached thereto is not limited to the four sets shown in the drawings, but may be one set, and the specific structure of each part may also be provided as long as it can perform the intended function. Any structure is acceptable.

The present invention has the structure and operation described above, and has a support head attached to the sliding shaft to support screws by cooperation of the sliding shaft, its operation part, compression spring, collar, and stopper. Since the screw can be selectively stopped at a plurality of forward positions, it is possible to guide and supply screws to a plurality of positions with a single device.

[Brief explanation of the drawing]

FIG. 1 is a plan view schematically showing a part of the support head in an embodiment of the present invention, FIG. 2 is a partially cutaway front view of the support head, FIG. An enlarged cross-sectional plan view of the support head, FIG. 5 is a sectional view taken along the line -- of FIG. 2, 3: first and second bearings, 4, 5, 6, 7:
Sliding shaft, 8: Support head, 11: Support hole, 26:
Compression spring as a bullet, 27, 28: Slider, 3
3: Operation lever that constitutes the operation section of the sliding shaft, 3
7, 37', 38, 38': Color, 39, 40:
Stopper, 49: Supply pipe for screws, 50: Screws, A: First forward position, B: Second forward position,
C: Retracted position.

Claims (1)

[Claims for Utility Model Registration] 1. A plurality of sliding shafts are provided in a plurality of mutually separated bearings so as to be movable in the axial direction in parallel with each other,
A support head for holding parts such as screws, rivets, etc. is attached to one end of each of the sliding shafts, and a collar is attached to the other end, and a bracket is attached to each of the sliding shafts, and the bearings and the brackets are attached to each other. A spring is provided between them to press the sliding shaft in the direction of the one end, and each of the sliding shafts has a slider that is connected to each other and can come into contact with the bracket and is movable with respect to the sliding shaft. an operating section provided adjacent to a side of the sliding shaft is connected to at least one of the sliders, so that the slider can be moved by the operating section; 1. A parts supply and guide device, characterized in that a stopper is attached to selectively prevent movement of the sliding shaft in the direction of the one end, thereby preventing movement of the sliding shaft in the direction of the one end. 2. The head has a pair of openable and closable head portions that define a hole for inserting a component, a spring that biases the pair of head portions into a closed state, and a piston that opens the head portions. A parts supply guide device according to claim 1 of the utility model registration characterized by: