CN102729064B - An Adjustable Lever Drilling Die Fixture - Google Patents

Abstract

The invention discloses an adjustable lever drilling die clamp. The adjustable lever drilling die clamp comprises a clamp body, a fixed V-shaped block, a movable V-shaped block device, a positioning and adjusting device, a drilling die device and an auxiliary supporting device, wherein the fixed V-shaped block with a rightward opening is fixed at the left side of the upper plane of the clamp body; the movable V-shaped block device with a leftward opening is arranged at the right side of the upper plane of the clamp body; the positioning and adjusting device is arranged in the middle of the upper plane of the clamp body; the position close to one side edge on the upper plane of the clamp body is also provided with the drilling die device; and the upper plane of the clamp body, which is positioned at the right side of the positioning and adjusting device, is provided with the auxiliary supporting device. The adjustable lever drilling die clamp disclosed by the invention has the advantages that a group of workpieces with similar characteristics can be clamped, the auxiliary working time can be reduced, the technical requirement to workers is reduced, the labor intensity of the workers is relieved, the safe production is guaranteed, the labor productivity is improved, and the production of new products can be rapid and convenient, so that the production preparing period is shortened, and the production cost is reduced.

Description

An Adjustable Lever Drilling Die Fixture

technical field

The invention relates to the field of mechanical production and manufacturing, in particular to an adjustable lever drilling jig.

Background technique

Special machine tool fixtures refer to fixtures specially designed for a certain process of a certain workpiece. Although its advantages are compact structure, quick, convenient and labor-saving operation, which can ensure high machining accuracy and production efficiency, its disadvantages also have a greater impact on production. For example, the design and manufacturing cycle is long and the manufacturing cost is high, which is only applicable to the production of fixed products and large batches. Once the product is changed, the special machine tool fixture will be scrapped because it can no longer be used, which will cause a lot of waste of materials and funds for the enterprise.

Contents of the invention

The technical problem mainly solved by the present invention is to provide an adjustable lever drilling jig, which can clamp a group of workpieces with similar characteristics, reduce auxiliary working hours, lower technical requirements for workers, reduce labor intensity of workers, and ensure safety. Production, improve labor productivity, and quickly and conveniently equip new products to be put into production, so as to shorten the production preparation cycle and reduce production costs.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is to provide an adjustable lever drilling jig, including a jig body and a jig body device provided on the jig body, and the adjustable lever jig jig includes a fixed V-shaped Block, movable V-shaped block device, positioning adjustment device, drilling mold device and auxiliary support device, the fixed V-shaped block opening to the right is fixed on the left side of the upper plane of the clamp body, and the right side of the upper plane of the clamp body is installed with a The movable V-shaped block device with the left opening has a positioning adjustment device in the middle of the upper plane of the clamp body, and a drilling mold device is also provided at the position near the side of the upper plane of the clamp body, and the upper plane of the clamp body is located on the right side of the positioning adjustment device. An auxiliary support device is provided on the side, and the positioning adjustment device includes a positioning adjustment pin and a lock nut. The positioning adjustment pin is provided with a thread, and the positioning adjustment pin is screwed on the lock nut and then screwed into the threaded through hole of the clamp body. And it is fixed by a lock nut. The positioning adjustment pin is provided with an axial chip removal through hole, and the positioning adjustment pin is covered with a workpiece.

Preferably, the movable V-shaped block device includes a support with a chute, a movable V-shaped block, a steel ball, a half-round key, a fastening screw and a hand wheel, and the support with a chute is fixed on the upper plane of the clamp body , a slidable movable V-shaped block is installed in the chute of the support, and a rectangular through hole is arranged in the movable V-shaped block, the direction of the rectangular through hole is perpendicular to the direction of the chute of the support, and there are 2 rectangular through holes Steel balls and 2 semicircular keys, 2 steel balls and 2 semicircular keys are arranged in a cross at intervals, the two semicircular surfaces of the semicircular key are placed opposite to each other, and the planes on the semicircular key opposite to the two semicircular surfaces are respectively abutted against the support On the inner surface of the chute, the right side of the movable V-shaped block is provided with a threaded hole to a rectangular through hole, and a fastening screw is screwed in the threaded hole. One end of the fastening screw rests on the steel ball, and the other end is connected to the handwheel. .

Preferably, the drilling template device includes a drilling template, a bushing and a drilling sleeve, the drilling template is provided with a mounting hole and is fixed on the clamp body, the mounting hole of the drilling template is located above the positioning adjustment device, and a lining is installed in the mounting hole The bushing is provided with a drill sleeve, and the central axis of the drill sleeve and the central axis of the positioning adjustment pin are on the same axis.

Preferably, the auxiliary support device includes a support rod, a spring and a screw plug, the support rod is placed in the through hole of the clamp body, the lower end of the support rod is connected to the upper end of the spring, and the lower end of the spring is against the screw screwed on the bottom of the through hole. On the screw plug, the upper end of the support rod is against the lower plane of the right end of the workpiece.

The beneficial effects of the present invention are: an adjustable lever drilling jig of the present invention can clamp a group of workpieces with similar characteristics, reduce auxiliary working hours, reduce technical requirements for workers, reduce labor intensity of workers, and ensure safety Production, improve labor productivity, and quickly and conveniently equip new products to be put into production, so as to shorten the production preparation cycle and reduce production costs.

Description of drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an adjustable lever jig clamp of the present invention;

Fig. 2 is a top view of an adjustable lever drilling jig of the present invention.

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

Please refer to Fig. 1 and Fig. 2, the embodiment of the present invention comprises:

An adjustable lever drilling mold fixture, the adjustable lever drilling mold fixture includes a clamp body 1, a fixed V-shaped block 2, a movable V-shaped block device 3, a positioning adjustment device 4, a drilling mold device 5 and an auxiliary support device 6, the A fixed V-shaped block 2 opening to the right is fixed on the left side of the upper plane of the clamp body 1, and a movable V-shaped block device 3 opening to the left is installed on the right side of the upper plane of the clamp body 1. There is a positioning adjustment device 4, and the upper plane of the clamp body 1 is provided with a drilling mold device 5 near the side, and the upper plane of the clamp body 1 is located on the right side of the positioning adjustment device 4, and an auxiliary support device 6 is provided;

The movable V-shaped block device 3 comprises a bearing 31 with a chute, a movable V-shaped block 32, a steel ball 33, a semicircular key 34, a fastening screw 35 and a hand wheel 36, and the bearing 31 with a chute is fixed on On the plane of clamp body 1, a slidable movable V-shaped block 32 is installed in the chute of the support 31, and the movable V-shaped block 32 is provided with a rectangular through hole 321, and the direction of the rectangular through hole 321 is perpendicular to the slide of the support 31. In the groove direction, two steel balls 33 and two semicircular keys 34 are arranged in the rectangular through hole 321, and the two steel balls 33 and two semicircular keys 34 are arranged in a cross at intervals, and the two semicircular surfaces of the semicircular keys 34 are placed opposite to each other. On the semicircular key 34, the planes opposite to the two semicircular surfaces are respectively abutted against the inner surface of the chute of the support 31, and the right side of the movable V-shaped block 32 is provided with a through threaded hole to a rectangular through hole 321, and the threaded hole is screwed. There is a fastening screw 35, one end of the fastening screw 35 is against the steel ball 33, and the other end of the fastening screw is connected with a handwheel 36;

The positioning adjustment device 4 includes a positioning adjustment pin 41 and a lock nut 42, the positioning adjustment pin 41 is provided with an external thread, and the positioning adjustment pin 41 is screwed into the threaded through hole of the clamp body 1 after being screwed on the lock nut 42 , and fixed by the lock nut 42, the positioning adjustment pin 41 is also provided with an axial chip removal through hole 411, and the positioning adjustment pin 41 is covered with the workpiece 7;

Described drilling template device 5 comprises drilling template 51, bushing 52 and drill bushing 53, and described drilling template 51 that is provided with mounting hole is fixed on clamp body 1, and the mounting hole of drilling template 51 is positioned at above positioning adjustment device 4, and mounting hole A bushing 52 is installed inside, and a drill bushing 53 is installed inside the bushing 52. The central axis of the drill bushing 53 and the central axis of the positioning adjustment pin 41 are on the same axis;

The auxiliary supporting device 6 includes a support rod 61, a spring 62 and a screw plug 63, the support rod 61 is placed in the through hole of the clamp body 1, the lower end of the support rod 61 is connected to the upper end of the spring 62, and the lower end of the spring 62 is against the screw. On the screw plug 63 at the bottom of the through hole, the upper end of the supporting rod 61 is also pressed against the lower plane of the right end of the workpiece 7 .

The working principle of the adjustable lever drilling jig of the present invention is: when the device is used for drilling and pinning of lever parts, the workpiece lever to be processed is placed in the position to be processed as required. The device can process a type of lever workpiece whose left and right ends have different inclination angles. The workpiece is fixed horizontally by the fixed V-shaped block at the left end and the movable V-shaped block at the right end to realize positioning; at the same time, it only needs to adjust the positioning adjustment pin 41 and The positioning pin realizes the positioning of the upper and lower positions of the workpiece with different inclination angles at the left and right ends, so as to perform processing.

The positioning method for the workpiece is six-point positioning, (the workpiece uses the double cylindrical surface as the positioning reference, adopts the combined positioning scheme of the plane and the V-shaped block, and places the cylindrical surface on the step surface, where the plane limits 3 degrees of freedom, and the V-shaped block 3 degrees of freedom are restricted, for a total of 6 degrees of freedom). In order to ensure that the movement and rotation of the X-axis and the movement and rotation of the Z-axis are limited, the positioning component uses one side and two V-shaped block positioning support plates to limit the movement of the Y-axis and the rotation of the Z-axis. Two V-shaped blocks Limiting the movement of the X-axis, the movement of the Z-axis and the Y-axis of the positioning element restricts a total of 6 degrees of freedom.

The invention is an adjustable lever drilling jig, which can clamp a group of workpieces with similar characteristics, can reduce auxiliary working hours, reduce technical requirements for workers, reduce labor intensity of workers, ensure safe production, improve labor productivity, and can Quickly and conveniently equip new products to be put into production, so as to shorten the production preparation period and reduce production costs.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (4)

1. An adjustable lever jig fixture, comprising a jig body and a jig body device provided on the jig body, characterized in that: the adjustable lever jig fixture includes a fixed V-shaped block, a movable V-shaped block device, a positioning adjustment Device, drilling mold device and auxiliary support device, the fixed V-shaped block opening to the right is fixed on the left side of the upper plane of the clamp body, and the movable V-shaped block device opening to the left is installed on the right side of the upper plane of the clamp body. Specifically, a positioning adjustment device is provided in the middle of the upper plane, and a drilling mold device is also provided at the position near the side of the upper plane of the clamp body. The upper plane of the clamp body is located on the right side of the positioning adjustment device and an auxiliary support device is provided. The adjustment device includes a positioning adjustment pin and a lock nut. The positioning adjustment pin is provided with threads. The adjusting pin is provided with an axial chip removal through hole, and a workpiece is sheathed on the positioning adjusting pin. 2. An adjustable lever drilling jig according to claim 1, characterized in that: the movable V-shaped block device includes a support with a chute, a movable V-shaped block, a steel ball, a half-round key, and a fastening screw and the handwheel, the support with chute is fixed on the upper plane of the clamp body, a slidable movable V-shaped block is installed in the chute of the support, and a rectangular through-hole is arranged in the movable V-shaped block, and the rectangular through-hole The direction is perpendicular to the direction of the chute of the support. There are 2 steel balls and 2 semicircular keys in the rectangular through hole. The 2 steel balls and 2 semicircular keys are arranged in a cross at intervals. The two semicircular surfaces of the semicircular keys are placed opposite to each other. , the planes on the semicircular key that are opposite to the two semicircular surfaces are respectively abutted against the inner surface of the chute of the support, and the right side of the movable V-shaped block is provided with a through threaded hole to a rectangular through hole, and the threaded hole is screwed with a fastening One end of the fastening screw is against the steel ball, and the other end is connected with a hand wheel. 3. An adjustable lever jig fixture according to claim 1, wherein the jig device includes a jig template, a bushing and a drill sleeve, and the jig template is provided with a mounting hole and fixed to the jig body , the mounting hole of the drill template is located above the positioning adjustment device, a bushing is installed in the mounting hole, a drill sleeve is installed in the bushing, and the central axis of the drilling sleeve and the central axis of the positioning adjustment pin are on the same axis. 4. A kind of adjustable lever drilling jig according to claim 1, characterized in that: said auxiliary support device comprises a support rod, a spring and a screw plug, the support rod is placed in the through hole of the clamp body, and the support rod The lower end is connected with the upper end of the spring, and the lower end of the spring is against the screw plug screwed on the bottom of the through hole, and the upper end of the support rod is against the lower plane of the right end of the workpiece.