CN203679808U - Tool for bisection of shifting fork - Google Patents

Abstract

A tool for splitting a shift fork, comprising a plane base, the base is provided with a first threaded hole and a second threaded hole set according to the angle and hole distance of the first hole and the third hole of the shift fork, the Screw rods are screwed in the first threaded hole and the second threaded hole, each of the screw rods is sheathed with a positioning pin used to align and limit the position of the shift fork, and the upper end of each of the screw rods is also connected to press the shift fork. The nut is fastened on the base, and the base is provided with a rectangular undercut groove for the cutter undercut at the middle position corresponding to the second hole of the shift fork. The utility model has the advantages of simple structure, convenient use, low production cost, and once clamping and positioning, parts can be repeatedly processed, a lot of time for alignment is saved, processing efficiency is improved, and the processing accuracy of parts is improved. , the operator's skill requirements are not high. Especially suitable for mass production process.

Description

A tooling for split fork

technical field

The utility model relates to a tool for splitting a shift fork.

Background technique

The shift fork part, as shown in Figure 1 and Figure 2, includes a body 1', and the body 1' is provided with a first hole 2', a second hole 3', and a third hole 4' arranged in a line, which are used for In the speed change mechanism of the machine tool, in the professional machine tool manufacturer, this part is mass-produced, and its machining accuracy will directly affect the speed change positioning accuracy and fluency of the machine tool during the gear shifting process. This just requires that this part has higher processing precision requirement, but because the shape of shift fork part is irregular, area is small again, make in its second hole 2 ' place to carry out the process of cutting in half, clamping and positioning are all relatively difficult. Difficult, the man-hour is very low, and every time a part is replaced, it needs to be re-aligned and positioned correctly before cutting, which is quite troublesome, and also requires operators with higher technical levels, which increases the investment of the enterprise and is very uneconomical.

Contents of the invention

The purpose of the utility model is to provide a fast and accurate cutting process for the positioning of processing shift fork parts, which is convenient to clamp, the parts are not easy to deform, and can greatly save a lot of time for alignment and positioning, and greatly shorten Tooling for bisecting shift forks that reduces processing time and improves work efficiency.

For reaching the purpose of the invention, the technical scheme adopted by the utility model is:

A tool for splitting a shift fork, which is characterized in that it includes a plane base, and the base is provided with a first threaded hole and a second threaded hole set according to the angle and hole distance of the first hole and the third hole of the shift fork. Threaded holes, the first threaded hole and the second threaded hole are all screwed with screw rods, each of the screw rods is covered with a positioning pin for aligning and limiting the position of the shift fork, and the upper end of each of the screw rods is also connected with Press the shift fork against the nut on the base, and the base is provided with a rectangular knife relief groove for the cutting knife to retract at the middle position of the second hole corresponding to the shift fork.

Further, the width of the tool undercut is smaller than the diameter of the second hole of the shift fork.

The working process of the present utility model is as follows:

1. According to the set position, correctly install the positioning components of the screw and positioning pin on the base.

2. Put the T-shaped nut into the T-shaped groove of the machine tool, correctly install the tooling for the split fork described in the utility model on the workbench of the machine tool, and use the dial indicator to make a meter on the utility model. The two measuring datum planes of the frock for splitting the shift fork are measured, so that the frock for splitting the shift fork described in the utility model can meet the verticality requirements of the vertical and horizontal directions.

3. After the tooling for splitting the shift fork described in the utility model is installed, install the first hole and the third hole of the shift fork on the positioning pin respectively, and then tighten the nut to press the shift fork on the end face of the base.

4. The cutting knife set above the second hole of the shift fork can cut the shift fork in half, and the left and right shift forks can be completed.

5. Repeat the above steps 3 and 4 to process the left and right shift forks continuously.

The beneficial effects of the utility model: simple structure, convenient use, low production cost, and one-time clamping and positioning, parts can be repeatedly processed, a lot of time for alignment is saved, processing efficiency is improved, and the processing accuracy of parts is improved. , the operator's skill requirements are not high. Especially suitable for mass production process.

Description of drawings

Fig. 1 is a structural schematic diagram of a shift fork;

Fig. 2 is a sectional view along the direction A'-A' in Fig. 1 .

Fig. 3 is the front view of the utility model;

Fig. 4 is a sectional view of the utility model along A-A in Fig. 3;

Fig. 5 is the structural front view that the utility model uses;

Fig. 6 is a cross-sectional view along the B-B direction in Fig. 5 when the utility model is in use.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments, but the utility model is not limited to these specific embodiments. Those skilled in the art should realize that the present invention covers all alternatives, improvements and equivalents that may be included within the scope of the claims.

Referring to Figures 3-6, a tooling for splitting a shift fork includes a flat base 1 on which a first hole is set according to the angle and hole distance of the first hole and the third hole of the shift fork 8. Threaded hole 2, second threaded hole 4, said first threaded hole 2, second threaded hole 4 are all screwed with screw rod 5, and each said screw rod 5 is sheathed with the location that is used for aligning and limiting the position of shift fork 8 Pin 6, the upper end of each said screw rod 5 is also connected with the nut 7 that presses the shift fork 8 on the base 1, and the middle position of the second hole 81 corresponding to the shift fork 2 is provided on the base 1 A rectangular undercut 3 for cutting knife 10 undercut.

The width of the tool undercut 3 is smaller than the diameter of the second hole of the shift fork.

The working process of the present utility model is as follows:

1. According to the set position, correctly install the positioning components of the screw 5 and the positioning pin 6 on the base 1.

2. Put the T-shaped nut into the T-shaped groove of the machine tool, correctly install the frock for splitting the shift fork described in the present invention on the workbench 9 of the machine tool, and use the dial indicator to make the meter in the present utility model. The two measuring datum planes of the tooling for splitting the shift fork are measured so that the tooling for splitting the shifting fork described in the present utility model can meet the verticality requirements of the longitudinal direction and the transverse direction.

3. After the tooling for splitting the shift fork described in the utility model is installed, install the first hole and the third hole of the shift fork on the positioning pin 6 respectively, and then tighten the nut 7 to make the shift fork 8 Press it tightly on the end face of the base 1.

4. The cutting knife 10 that is arranged on the second hole 81 top of the shift fork 8 can cut the shift fork in half, and the left and right shift forks can be completed.

5. Repeat the above steps 3 and 4 to process the left and right shift forks continuously.

Claims (2)

1. A frock for splitting a shift fork, characterized in that: it includes a plane base, and the base is provided with first threaded holes arranged according to the angle and hole distance of the first hole and the third hole of the shift fork, The second threaded hole, the first threaded hole and the second threaded hole are all screwed with screw rods, and each of the screw rods is covered with a positioning pin for aligning and limiting the position of the shift fork, and the upper end of each of the screw rods is also A nut that presses the shift fork on the base is connected, and the base is provided with a rectangular knife relief groove for the cutting knife to retract at the middle position of the second hole corresponding to the shift fork. 2 . The tooling for splitting the shift fork according to claim 1 , wherein the width of the undercut is smaller than the diameter of the second hole of the shift fork. 3 .

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