CN217252959U

CN217252959U - Special clamp for drilling shifting fork

Info

Publication number: CN217252959U
Application number: CN202123431112.7U
Authority: CN
Inventors: 刘利军; 杨镇伟
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-23
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a shift fork drilling special fixture, including the anchor clamps body, the anchor clamps body includes base part and lateral wall, the side of anchor clamps body lateral wall has the dovetail groove, and anchor clamps body base part is provided with the recess, sets up the supporting shoe that floats in the recess, and floating supporting shoe upper portion sets up the shift fork, shift fork bottom circular arc part and the laminating of floating supporting shoe, the shift fork other end and the laminating of anchor clamps body inner wall are provided with the fixed mandrel of shift fork on the shift fork, and the fixed mandrel of shift fork passes the hole on the shift fork and the hole of anchor clamps body inner wall, the vertical part top of the anchor clamps body is provided with the bushing plate. The utility model discloses only need to change a small amount of parts can realize the clamping of multiple specification anchor clamps.

Description

Special clamp for drilling shifting fork

Technical Field

The utility model relates to a shift fork drilling technical field, in particular to shift fork drilling special fixture.

Background

In the field of machining, a clamp is an auxiliary tool for positioning, limiting and fastening a part when the part is machined, and the clamp is divided into universal clamps such as a vice, a chuck, a sucker and the like; the special clamp is specially designed and manufactured for clamping a certain part in a certain process, has a specific service object and strong pertinence; the adjustable clamp can replace and adjust the special clamp of the original piece; the combined clamp is composed of standardized elements with different shapes, specifications and purposes. The traditional shifting fork clamp only aims at a certain specific shifting fork element, and if the shifting fork is improved, the special shifting fork clamp used in the prior art needs to be completely replaced, so that the utilization rate of the clamp is low.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a special clamp for drilling a shifting fork, which only needs to replace a small amount of parts to realize the clamping of various specifications of clamps.

In order to realize the purpose, the utility model discloses a technical scheme is:

the utility model provides a shift fork drilling special fixture, includes the anchor clamps body 1, and the anchor clamps body 1 includes base portion and lateral wall, the side of 1 lateral wall of the anchor clamps body has the dovetail groove, and 1 base portion of the anchor clamps body is provided with the recess, sets up floating support block 2 in the recess, and 2 upper portions of floating support block set up

shift fork

13, 13 bottom circular arc parts of shift fork and the laminating of

floating support block

2, 13 other ends of shift fork and the 1 inner wall laminating of the anchor clamps body are provided with the fixed mandrel 12 of shift fork on the shift fork 13, and the fixed mandrel 12 of shift fork passes the hole on the shift fork 13 and the hole of 1 inner wall of the anchor clamps body, 1 vertical part top of the anchor clamps body is provided with bushing plate 9.

And a gasket 4 is arranged on the shifting fork fixing mandrel 12 and is attached to a shifting fork 13.

The shifting fork 13 is arranged at the top of the clamp body 1 through the shifting fork fixing nut 3 and the mandrel fixing nut 11.

The drill jig plate 9 is provided with a hole, a sleeve 6 is arranged in the hole, a drill bushing 5 is arranged on the sleeve 6, and the drill bushing 5 is fixedly arranged on the drill jig plate 9 through a jig plate fixing screw 7.

The sleeve 6 and the drill plate 9 are in interference fit.

The drill bushing 5 is in clearance fit with the sleeve 6.

The template fixing screw 7 and the fixing pin 8 are used for fixedly mounting the drill template 9 on the top of the fixture body 1.

The base part and the side wall of the fixture body 1 are in a vertical relation.

The side wall of the floating supporting block 2 is provided with a trapezoidal block, and the trapezoidal block is slidably arranged in a trapezoidal groove on the side surface of the clamp body 1.

The utility model has the advantages that:

the utility model provides a shift fork drilling special fixture fixes the shift fork on the anchor clamps body through the unsteady supporting shoe, mandrel, packing ring, shift fork fixation nut and the mandrel fixation nut that set up, is equipped with sleeve and drill bushing on the jig hole, and drill bushing set screw fixes the drill bushing on the bushing plate, and sleeve and jig plate are interference fit, and drill bushing and sleeve are clearance fit, and fixed pin and jig plate fixation nut are with jig plate fixed mounting at the anchor clamps body top. The utility model discloses a clamping of realization shift fork that unsteady supporting shoe and mandrel can be fine, the floating support shoe can adapt to the shift fork of the different length of the same kind of specification, if shift fork hole size differs, can realize the clamping of different specification shift forks through changing mandrel, nut etc. need not to redesign special fixture to new shift fork, has promoted the utility model discloses a utilization ratio.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

FIG. 4 is a schematic view of the connection of the spindle to the fork.

FIG. 5 is a schematic view of the floating support block and the clamp body.

The mark in the figure is: 1. the fixture body, 2, the supporting shoe floats, 3, shift fork fixation nut, 4, the packing ring, 5, the drill bushing, 6, the sleeve, 7, the template set screw, 8, the fixed pin, 9, the bushing plate, 10, the bushing plate fixation nut, 11, the mandrel fixation nut, 12, shift fork fixation mandrel, 13, the shift fork.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the attached drawings 1-4, a special shifting fork drilling clamp is provided, wherein a trapezoidal groove is formed in the side surface of a clamp body 1, the lower end of a floating supporting block 2 is fixedly arranged in a groove of the base portion of the clamp body 1, a trapezoidal block on the side wall of the floating supporting block 2 is slidably arranged in the trapezoidal groove in the side surface of the clamp body 1, the bottom arc portion of a shifting fork 13 is attached to the floating supporting block 2, the other end of the shifting fork 13 is attached to the inner wall of the clamp body 1, a shifting fork fixing mandrel 13 penetrates through a shifting fork hole and a hole in the top of the clamp body 1, a gasket 4 is arranged on the mandrel and is attached to the shifting fork 13, a shifting fork fixing nut 3 and a mandrel fixing nut 11 fixedly arrange the shifting fork 13 on the clamp, a drill plate 9 is fixedly arranged on the top of the clamp body 1 by a fixing pin 8 and a drill plate fixing screw, a sleeve 6 is fixedly arranged in the hole of the drill plate 9, and a drill bushing 5 is arranged on the sleeve, the template fixing screws 7 are used for fixedly mounting the drill bushing 5 on the drill template 9.

The floating supporting block can adapt to the shifting forks with the same specification and different lengths, realizes the clamping of various shifting forks,

the utility model is used for clamping when the shift fork drills, drill bushing have the guide effect, can guide the cutter to process, and after the shift fork clamping was accomplished, the cutter was through being located the utility model discloses the drill bushing at anchor clamps top is to the shift fork processing of driling.

The utility model discloses a theory of operation:

the utility model is used for clamping during shift fork drilling, its theory of operation as follows: the circular-arc part of shift fork bottom is installed on floating support block 2, and the fixed mandrel of shift fork passes the round hole at shift fork top and fixes on anchor clamps body upper portion through bolt and nut, accomplishes the clamping of shift fork. The drill plate 9 is arranged on the top of the clamp body through screws and fixing pins, and the drill sleeve 5 and the sleeve 6 are arranged on the drill plate 9 and used for guiding the cutter to carry out drilling processing.

The lower end of the floating supporting block 2 is fixedly installed in a groove of a base portion of the fixture body 1, a trapezoidal block on the side wall of the floating supporting block 2 is slidably installed in a trapezoidal groove in the side face of the fixture body 1, a circular arc portion at the bottom of the shifting fork 13 is attached to the floating supporting block 2, a cylindrical portion at the other end of the shifting fork 13 is attached to the inner wall of the fixture body 1, the shifting fork fixing mandrel 12 penetrates through a shifting fork hole and a hole in the top of the fixture body 1, the shifting fork is fixed by a shifting fork fixing nut 3 and a gasket 4 at one end of the shifting fork fixing mandrel 12, and the shifting fork fixing mandrel 13 is fixedly installed on the inner wall of the fixture body by a mandrel fixing nut 11 at the other end of the shifting fork fixing mandrel, so that clamping of the fixture is completed. The drill jig plate 9 is fixedly installed at the top of the clamp body 1 through a fixing pin 8 and a drill jig plate fixing screw, the sleeve 6 is fixedly installed in a hole of the drill jig plate 9, the drill bushing 5 is installed on the sleeve, and the drill bushing 5 is fixedly installed on the drill jig plate 9 through a jig plate fixing screw 7. When drilling is carried out, the drill bush 5 can guide the cutter to drill the top of the shifting fork.

Claims

1. The utility model provides a shift fork drilling special fixture, its characterized in that, includes the anchor clamps body (1), and the anchor clamps body (1) includes base part and lateral wall, the side of the anchor clamps body (1) lateral wall has the dovetail groove, and the anchor clamps body (1) base part is provided with the recess, sets up floating support block (2) in the recess, and floating support block (2) upper portion sets up shift fork (13), shift fork (13) bottom circular arc part and the laminating of floating support block (2), shift fork (13) other end and the laminating of the anchor clamps body (1) inner wall are provided with shift fork stationary spindle (12) on shift fork (13), and shift fork stationary spindle (12) pass the hole on shift fork (13) and the hole of the anchor clamps body (1) inner wall, the vertical part top of the anchor clamps body (1) is provided with bushing plate (9).

2. The special clamp for drilling the shifting fork according to claim 1, wherein a gasket (4) is arranged on the shifting fork fixing mandrel (12) and attached to the shifting fork (13).

3. A special shifting fork drilling clamp according to claim 1, wherein the shifting fork (13) is arranged at the top of the clamp body (1) through a shifting fork fixing nut (3) and a mandrel fixing nut (11).

4. The special drilling clamp for the shifting fork according to claim 1, wherein the drilling template (9) is provided with a hole, a sleeve (6) is arranged in the hole, a drill bushing (5) is arranged on the sleeve (6), and the drill bushing (5) is fixedly arranged on the drilling template (9) through a template fixing screw (7).

5. The special shifting fork drilling clamp according to claim 4, wherein the sleeve (6) is in interference fit with the drill plate (9).

6. A special drilling clamp for a shifting fork according to claim 4, wherein the drill sleeve (5) and the sleeve (6) are in clearance fit.

7. A special shifting fork drilling clamp according to claim 4, wherein the template fixing screw (7) and the fixing pin (8) are used for fixedly installing the drilling template (9) on the top of the clamp body (1).

8. The special drilling clamp for the shifting fork according to claim 1, wherein the base part of the clamp body (1) is perpendicular to the side wall.

9. A special shifting fork drilling clamp according to claim 1, wherein a trapezoidal block is arranged on the side wall of the floating supporting block (2), and the trapezoidal block is slidably installed in a trapezoidal groove on the side surface of the clamp body (1).