JP2527294Y2 - Fastener supply device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastener supply device for supplying a fastener such as a nut or a washer to a fastener supply position of a fastener for fastening members or the like.

[0002]

2. Description of the Related Art Conventionally, fasteners such as nuts and washers have been manually supplied to a fastener supply position of a fastening device for fastening members and the like.

[0003]

Conventionally, as described above, fasteners such as nuts and washers are manually supplied to a fastener supply position of a fastening device for fastening members and the like. Therefore, (1) the automatic work of the fastening device and the manual work of supplying the fasteners are mixed, and the work efficiency is low, and there is a danger that a man-made disaster may occur during abnormal operation. (2) If the fastening device is in a place or environment that is not easily accessible by humans, ancillary equipment (scaffolding and environmental improvement equipment) is required, and there is a problem that the production cost increases.

The present invention has been made in view of the above problems, and its purpose is to improve the working efficiency and ensure safety. Another object of the present invention is to provide a fastener supply device capable of reducing production costs.

[0005]

In order to achieve the above object, a fastener supply device according to the present invention includes a supply jig for supporting a set of fasteners such as a nut and a washer, and a supply jig for the same. A cartridge for holding a plurality of cartridges, a frame for movably supporting the cartridge, and a fastener for removing the fastener from a supply jig sent to the fastener supply device by the cartridge and supplying the fastener to the fastener supply device of the fastener device The cartridge is provided with a fork having an opening, and a stocking claw that is pivotally supported by a pin and urged in a closing direction by a spring, and is provided in the cartridge. A frame for a handling device, wherein the handling device is swingably supported by a bearing on the frame, a frame for the handling device, A swing cylinder interposed between the frame and the frame, a supply frame slidably mounted on the handling device frame, a slide cylinder interposed between the supply frame and the handling device frame, A supply cylinder attached to a frame, a supply fork having an opening attached to the end of the supply cylinder, and a pin pivotally supported by a pin in the opening of the supply fork, and a spring extending in the direction of the opening. It is constituted by the gripping claws pressed.

[0006]

The fastener supply device of the present invention is constructed as described above. (1) The leading end of the supply jig which is mounted on a cartridge (supply chain) with a required number of nuts and washers as one set. (2) A position where the supply jig can be taken out by operating the cartridge (2)
(A) of FIG. 7 (see FIG. 7), and (3) the slide cylinder is operated in the extension direction to push out the supply frame downward, and this operation causes the gripping claw to be supplied to the supply spring against the spring force of the spring. Press against the circular outer periphery of the tool, open the gripping claws, and insert them into the gripping forks. When the gripping claw is inserted into the gripping fork, the gripping claw is closed by the spring force of the spring, the supply jig is placed in the gripping fork, the slide cylinder is further operated in the extending direction, and the supply frame is moved downward. Pushing out, the gripping claw provided on the fork portion of the cartridge is opened against the spring force of the spring, and the supply jig is withdrawn from the fork portion (see the position b in FIG. 3 and FIG. 8).
(4) Operate the swinging cylinder in the contraction direction, insert the nut and washer into the required nut and washer gripping part of the fastening device, and (5) operate the supply cylinder in the contraction direction, together with the supply fork. Pull the supply jig (see Fig. 10),
(6) The swing cylinder is operated in the extension direction to return the supply jig to the position b in FIG. 3, and (7) the slide cylinder is operated in the reduction direction to raise the supply jig. The operation reverse to that described above is performed, and the supply jig is inserted into the fork of the supply chain and held, and the supply fork is pulled back to the standby position (initial position) (see FIG. 11). By repeating the operation of (7), the nuts and washers that were initially stocked are sequentially supplied to required portions of the fastening device as needed.

[0007]

FIG. 1 is a perspective view of a fastener supplying device according to the present invention; FIG.
1, FIG. 7, FIG. 1, FIG.
Reference numeral 1 denotes an H-shaped frame, and reference numeral 3 denotes a drive shaft rotatably mounted between lower end portions of the frame 1;
Drive sprockets 2, 2 are mounted near both left and right ends of the drive sprocket. 4 and 4 are driven sprockets rotatably mounted on the upper end of the frame 1, FIGS.
Reference numerals 6 and 6 denote left and right supply chains (cartridges). Each of the supply chains 6 is suspended between the driving sprocket 2 and the driven sprocket 4.

Each of the supply chains 6 is a roller chain having a special shape, and has an opening in one direction, and the supply jig 5 is set therein. Further, the stock gripping pawl 7 is pivotally supported by a pin 8 at one point of the supply chain 6 and is urged in the closing direction by a spring 9. Hug.
Note that a stopper 30 is provided so as not to swing too much in the holding direction when the supply jig 5 is not provided. The supply jig 5 includes a fork 10 provided in the supply chain 6.
Is provided with a flat portion 11 (see FIG. 6).

In FIG. 1, reference numeral 13 denotes a drive motor mounted on the lower left portion of the frame 1, and reference numeral 12 denotes a power transmission mechanism interposed between the drive motor 13 and the drive shaft 3, which controls the rotation of the drive motor 13. The drive shaft 3 is transmitted to the drive shaft 3 via the power transmission mechanism 12, and the drive shaft 3 and the left and right drive sprockets 2 are rotated to circulate the left and right supply chains 6 between the left and right drive sprockets 2 and the driven sprockets 4. It is made to let.

In FIGS. 1 to 3, reference numeral 14 denotes a handling device frame, and 15 denotes a bearing for swingably supporting the handling mechanism frame 14 at the center of the frame 1.
The frame 1 and the handling device frame 14
A swing cylinder 16 is interposed between the two, and the handling device frame 14 swings about the bearing 15 by the operation of the swing cylinder 16 in the expansion and contraction direction.

The above-mentioned handling device frame 14
A slide rod 17 is slidably supported by the slide rod 17, and the slide rod 17 is connected to a supply frame 18. The supply frame 18 and the handling device frame 14 are connected by a slide cylinder 19 and are driven to expand and contract. The supply frame 18 includes a pair of left and right supply cylinders 2 facing each other.
The supply fork 21 is fixed to the leading end of the supply fork 21. The supply fork 21 is slidable along a supply guide 22 provided on the frame 18.

The supply fork 21 has an opening similar to the fork 10 of the supply chain 6, and a gripping claw 23 is supported at this portion so as to be able to swing around a pin 24, and a spring 25. It is pressed in the direction of the opening. Further, a stopper 31 is provided so as not to be held too much when the supply jig 5 is not provided. The supply jig 5 is provided with a flat portion 26 so that the supply jig 5 is inserted into the opening of the supply fork 21.

A plurality of slits 33 are formed in the distal end portion 27 of the supply jig 5 so as to function as a leaf spring in the radial direction. A nut 28 and a washer 29 to be supplied are inserted into the distal end portion 27 of the supply jig 5, and the distal end portion 27 with respect to the inner diameter of the nut 28 (× screw side).
Have a slightly larger diameter, and a spring force acts like a leaf spring, so that the nut 28 and the washer 29 are connected to the supply jig 5.
Is held.

When the nut 28 and the washer 29 are set (attached) to the supply jig 5 in this manner, the supply jig 5 is attached to the fork 10 of the supply chain 6 and stocked. Next, the operation of the fastener supply device will be specifically described with reference to FIGS. 3 and 7 to 11. (1) The required number of nuts 28 and washers 29 are set as one set, and are manually mounted on the leading end 27 of the supply jig 5 mounted on the supply chain 6. (2) By driving the drive motor 13, the supply chain (cartridge) 6 is operated to position the supply jig 5 at a position where the supply jig 5 can be taken out (position a in FIG. 3) (see FIG. 7). (3) The slide cylinder 19 is operated in the extension direction to push the supply frame 18 downward. By this operation, the gripping claw 23 is pressed against the circular outer peripheral portion of the supply jig 5 against the spring force of the spring 25, and the gripping claw 23 is opened and inserted into the gripping fork 21. When the gripping claw 23 is inserted into the gripping fork 21, the gripping claw 23 is
The supply jig 5 is closed by the spring force of 5 and is accommodated in the holding fork 21.

When the slide cylinder 19 is further operated in the extending direction and the supply frame 18 is pushed further downward, the gripping claws 7 provided on the fork portion 10 of the supply chain 6 open against the spring force of the spring 9. Then, the supply jig 5 is extracted from the fork portion 10 (see the position b in FIG. 3 and FIG. 8). This operation is based on the difference between the tip of the gripping claw 23 and the gripping claw 7 and the angle of inclination of the inner claw (FIG.
(The difference between α and β in the middle) and the balance between the springs 9 and 25. (4) The swing cylinder 16 is operated in the contracting direction to insert the nut 28 and the washer 29 into the nut / washer gripping part of the required part 32 of the fastening device.

At this time, on the fastening device side (gripping portion) not shown, the tip is held or gripped by a force stronger than the holding force by the leaf spring function of the distal end portion 27 of the supply jig 5 (for example, by a magnet). 9). (5) The supply cylinder 20 is operated in the reducing direction to draw the supply jig 5 together with the supply fork 21 (FIG. 10).
reference). (6) The swing cylinder 16 is operated in the extension direction, and the supply jig 5 is returned to the position b in FIG. (7) The slide cylinder 19 is operated in the reducing direction, the supply jig 5 is pulled up, and the operation reverse to that of the above (3) is performed to insert the supply jig 5 into the fork portion 10 of the supply chain 6. Then, the supply fork 21 is returned to the standby position (initial position) (see FIG. 11).

Then, the above operations (2) to (7) are repeated to supply the initially stocked nuts 28 and washers 29 to the required portion 32 of the fastening device as required. Although the present embodiment is an example in which two nuts 28 and washers 29 are simultaneously supplied in a pair of right and left, a total of two nuts and washers 29 can be supplied instead of one pair.

[0018]

As described above, the fastener supply device of the present invention is as follows: (1) A nut and a washer are set as one set and the required number thereof is manually attached to the tip of a supply jig mounted on a cartridge (supply chain). (2) Position where the supply jig can be removed by operating the cartridge (position a in FIG. 3).
(See Fig. 7), (3) Operate the slide cylinder in the extension direction to push the supply frame downward,
By this operation, the gripping claws are pressed against the circular outer periphery of the supply jig against the spring force of the spring, and the gripping claws are opened and inserted into the gripping forks. When the gripping claw is inserted into the gripping fork, the gripping claw is closed by the spring force of the spring, the supply jig is placed in the gripping fork, the slide cylinder is further operated in the extending direction, and the supply frame is moved downward. Pushing out, the gripping claw provided on the fork of the cartridge is opened against the spring force of the spring, and the supply jig is pulled out from the fork (see the position b in FIG. 3 and FIG. 8). Operating in the contraction direction, insert the nut and washer into the required nut and washer gripping part of the fastening device. (5) Operate the supply cylinder in the reduction direction to draw the supply jig together with the supply fork (Fig. 10), (6) the swing cylinder is operated in the extension direction, the supply jig is pulled back to the position b in FIG. 3, (7) the slide cylinder is operated in the reduction direction, and the supply jig is pulled up. (3) and By performing the reverse operation, the supply jig is inserted into the fork portion of the supply chain, held, and the supply fork is pulled back to the standby position (initial position) (see FIG. 11). )
By repeatedly performing the above operation, the nuts and washers that were initially stocked are sequentially supplied to the required portions of the fastening device as necessary. Therefore, it is necessary to manually supply fasteners such as nuts and washers to the required portions of the fastening device. Therefore, work efficiency can be improved, safety can be ensured, and production costs can be further reduced.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a fastener supply device according to the present invention.

FIG. 2 is a side view of the fastener supply device.

FIG. 3 is a longitudinal sectional side view taken along line AA of FIG. 1;

FIG. 4 is a side view seen from the direction of arrow B in FIG. 1;

FIG. 5 is a front view as seen from the direction of arrow C in FIG. 4;

FIG. 6 is a front view taken along the line DD in FIG. 5;

FIG. 7 is an operation explanatory view of the fastener supply device.

FIG. 8 is an operation explanatory view of the fastener supplying device.

FIG. 9 is an operation explanatory view of the fastener supply device.

FIG. 10 is an operation explanatory view of the fastener supply device.

FIG. 11 is an operation explanatory view of the fastener supply device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 5 Supply jig 6 Cartridge (supply chain) 7 Stocking claw 8 Pin 10 Fork 14 Frame for handling device 15 Bearing 16 Swing cylinder 18 Supply frame 19 Slide cylinder 20 Supply cylinder 21 Supply fork 23 Gripping claw 24 Pin 25 Spring 28 Nut 29 Washer

 ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-3-3728 (JP, A) JP-A-2-3333 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A supply jig for supporting a set of fasteners such as nuts and washers as a set, a cartridge for holding a plurality of the supply jigs, a frame for movably supporting the cartridge, and a cartridge. A handling device for taking out the fastener from the supply jig sent to the fastener supply device and supplying the fastener to the fastener supply device of the fastener device; And a stocking claw movably pivoted and urged in a closing direction by a spring to enable the holding jig to be held, and the handling device to be swingably supported on the frame by a bearing. A frame for the device, a swing cylinder interposed between the frame for the handling device and the frame, and a frame for the handling device. A supply frame slidably mounted, a slide cylinder interposed between the supply frame and the handling device frame, a supply cylinder mounted on the supply frame, and an opening mounted at a tip of the supply cylinder. A fastener supplying device comprising: a supply fork having the supply fork; and a gripping claw pivotally supported by a pin in an opening of the supply fork and pressed toward the opening by a spring.