Jig for belt wheel machining

Abstract

The utility model belongs to the technical field of jigs, particularly relates to a jig for belt wheel machining, and aims to solve the problem that the stability of the jig is poor in the machining process due to the fact that most of the existing jigs lack a clamping function during machining work, the following scheme is provided: the jig comprises a base, two winding shafts are rotatably installed in the base, pulling ropes are wound around the outer sides of the two winding shafts, one ends of the two pulling ropes are fixedly installed on the two winding shafts respectively, clamping rods are fixedly installed at the other ends of the two pulling ropes, and the top ends of the two clamping rods extend to the outer side of the base. And clamping plates are fixedly mounted on the sides, close to each other, of the two clamping rods. The clamping device is reasonable in design, the two pulling ropes are wound or stretched through the arranged winding shaft, the two clamping plates are made to move away from each other or close to each other in the horizontal direction, and a certain clamping effect can be achieved on different jig bodies.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, in particular to a jig for processing pulleys. Background Art

[0002] A fixture is a large category of tools used in carpentry, ironwork, fitter, machinery, electronic control and other handicrafts. It is mainly used as a tool to assist in controlling position or movement (or both). Fixtures can be divided into three categories: process assembly fixtures, project test fixtures and circuit board test fixtures.

[0003] Most existing jigs lack the clamping function during processing, resulting in the disadvantage of poor stability of the jig during processing. Therefore, we propose a jig for pulley processing to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the problem that most existing jigs lack the clamping function during processing, thereby causing the jig to have poor stability during processing, and proposes a jig for pulley processing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A jig for processing a pulley comprises a base, wherein two winding shafts are rotatably installed inside the base, and traction ropes are wound around the outer sides of the two winding shafts, and one end of the two traction ropes is fixedly installed on the two winding shafts, respectively, and the other ends of the two traction ropes are fixedly installed with clamping rods, and the top ends of the two clamping rods extend to the outer side of the base, and the two clamping rods are fixedly installed with clamping plates on the sides close to each other, and the two clamping rods are fixedly installed with connecting rods on the sides away from each other, and the ends of the two connecting rods that are away from each other extend to the outer side of the base and are fixedly installed with baffles, respectively, and the two baffles are fixedly installed with springs on the sides close to each other. One end of the spring and the other end of the spring are fixedly installed on the outside of the base, support columns are fixedly installed on both sides of the bottom of the base, the same horizontal axis is rotatably installed inside the two support columns, the bottom ends of the two winding shafts extend to the outside of the base, the first bevel gears are fixedly installed on the bottom ends of the two winding shafts and the outside of the horizontal axis, and the two first bevel gears located on the same side of the four first bevel gears are meshed with each other, a worm and a worm wheel are rotatably installed on one side of the bottom of the base, the worm and the worm wheel are meshed with each other, a second bevel gear is fixedly installed on the front side of the worm wheel, and a third bevel gear is fixedly installed on one end of the horizontal axis, and the second bevel gear and the third bevel gear are meshed with each other.

[0007] Preferably, a jig body is placed on the top of the base, and the sides of the two clamping plates close to each other are movably abutted against the two sides of the jig body respectively. The clamping plates are arranged so that the jig body can be clamped to a certain extent, thereby improving its stability during processing.

[0008] Preferably, a turntable is fixedly mounted on the bottom end of the worm, and a handle is fixedly mounted on the bottom of the turntable, so that manual rotation of the worm can be more labor-saving by providing the handle.

[0009] Preferably, rectangular through holes are provided on both sides of the top of the base, and the outer sides of the two clamping rods are movably abutted against the inner sides of the rectangular through holes respectively, so that the horizontal movement of the clamping rods is guided by the provided rectangular through holes.

[0010] Preferably, circular holes are provided on both the left and right sides of the base, and the outer sides of the two connecting rods are movably abutted against the inner sides of the two circular holes respectively, so that the circular holes serve as a guide for the horizontal movement of the connecting rods.

[0011] Preferably, two vertical holes are provided at the bottom of the base, and the outer sides of the two winding shafts are rotatably mounted on the inner sides of the corresponding vertical holes respectively, so that the rotation of the winding shafts is provided with a rotation support function through the provided vertical holes.

[0012] In the utility model, the pulley processing jig described above, through the worm and worm wheel provided, manually rotates the worm, thereby driving the worm wheel to rotate synchronously, so that the horizontal axis rotates, the two winding shafts rotate, the two traction ropes are wound, and the two clamping plates are made to move horizontally in the same manner, so that the left and right sides of the jig body can be clamped to a certain extent, thereby improving its stability;

[0013] The utility model has a reasonable design. Through the provision of a winding shaft, the two traction ropes can be wound or stretched, so that the two clamping plates can move away from or towards each other in a horizontal direction, thereby being able to perform a certain clamping effect on different fixture bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a pulley processing jig proposed by the utility model;

[0015] Figure 2 This is a structural schematic diagram of part A of a pulley processing jig proposed by the utility model;

[0016] Figure 3 This is a structural schematic diagram of part B of a pulley processing jig proposed in the utility model.

[0017] In the figure: 1. base; 2. winding shaft; 3. traction rope; 4. horizontal axis; 5. first bevel gear; 6. clamping rod; 7. clamping plate; 8. connecting rod; 9. baffle; 10. spring; 11. worm; 12. worm wheel; 13. second bevel gear; 14. third bevel gear; 15. support column; 16. fixture body. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-3 A jig for processing a pulley comprises a base 1, two winding shafts 2 are rotatably installed inside the base 1, traction ropes 3 are wound around the outer sides of the two winding shafts 2, one end of the two traction ropes 3 is fixedly installed on the two winding shafts 2, the other ends of the two traction ropes 3 are fixedly installed with clamping rods 6, the top ends of the two clamping rods 6 extend to the outer side of the base 1, the sides of the two clamping rods 6 close to each other are fixedly installed with clamping plates 7, the sides of the two clamping rods 6 away from each other are fixedly installed with connecting rods 8, the ends of the two connecting rods 8 away from each other extend to the outer side of the base 1 and are fixedly installed with baffles 9, one end of the spring 10 is fixedly installed on the sides of the two baffles 9 close to each other, and the spring 1 The other end of 0 is fixedly mounted on the outside of the base 1, support columns 15 are fixedly mounted on both sides of the bottom of the base 1, and the same horizontal axis 4 is rotatably mounted inside the two support columns 15. The bottom ends of the two winding shafts 2 extend to the outside of the base 1, and the bottom ends of the two winding shafts 2 and the outside of the horizontal axis 4 are fixedly mounted with first bevel gears 5, and two first bevel gears 5 located on the same side of the four first bevel gears 5 are meshed with each other. A worm 11 and a worm wheel 12 are rotatably mounted on one side of the bottom of the base 1, and the worm 11 and the worm wheel 12 are meshed with each other. A second bevel gear 13 is fixedly mounted on the front side of the worm wheel 12, and a third bevel gear 14 is fixedly mounted on one end of the horizontal axis 4, and the second bevel gear 13 and the third bevel gear 14 are meshed with each other.

[0020] In the utility model, a jig body 16 is placed on the top of the base 1, and the two clamping plates 7 are movably abutted against the two sides of the jig body 16 respectively. The clamping plates 7 are arranged so that the jig body 16 can be clamped to a certain extent, thereby improving its stability during the processing.

[0021] In the utility model, a turntable is fixedly installed at the bottom end of the worm 11, and a handle is fixedly installed at the bottom of the turntable. The handle is provided so that manual rotation of the worm 11 is more labor-saving.

[0022] In the utility model, rectangular through holes are provided on both sides of the top of the base 1, and the outer sides of the two clamping rods 6 are movably abutted against the inner sides of the rectangular through holes respectively, so that the horizontal movement of the clamping rods 6 is guided by the provided rectangular through holes.

[0023] In the present invention, circular holes are provided on both sides of the base 1, and the outer sides of the two connecting rods 8 are movably abutted against the inner sides of the two circular holes, respectively, so that the horizontal movement of the connecting rods 8 is guided by the provided circular holes.

[0024] In the utility model, two vertical holes are provided at the bottom of the base 1, and the outer sides of the two winding shafts 2 are rotatably mounted on the inner sides of the corresponding vertical holes respectively, so that the rotation of the winding shafts 2 is provided with a rotation support function through the provided vertical holes.

[0025] The working principle of the fixture is as follows: first, place the fixture body 16 on the top of the base 1, manually rotate the worm 11, thereby driving the worm wheel 12 to rotate synchronously, so that the second bevel gear 13 rotates, and the third bevel gear 14 rotates synchronously, so that the horizontal axis 4 rotates, thereby driving the four first bevel gears 5 to rotate synchronously, so that the two winding shafts 2 rotate, so that the two traction ropes 3 are wound, so that the two clamping rods 6 move closer to each other, so that the two clamping plates 7 get the same horizontal movement, so that the left and right sides of the fixture body 16 can be clamped to a certain extent to improve its stability.

Claims

1. A pulley processing jig, comprising a base (1), characterized in that: Two winding shafts (2) are rotatably mounted inside the base (1), and traction ropes (3) are wound around the outer sides of the two winding shafts (2). One end of the two traction ropes (3) is fixedly mounted on the two winding shafts (2), respectively. A clamping rod (6) is fixedly mounted on the other end of the two traction ropes (3). The top ends of the two clamping rods (6) extend to the outer side of the base (1). A clamping plate (7) is fixedly mounted on the sides of the two clamping rods (6) close to each other. A connecting rod (8) is fixedly mounted on the sides of the two clamping rods (6) away from each other. The ends of the two connecting rods (8) away from each other extend to the outer side of the base (1) and are fixedly mounted with baffles (9), respectively. One end of a spring (10) is fixedly mounted on the sides of the two baffles (9) close to each other, and the other end of the spring (10) is fixedly mounted on the bottom. Support columns (15) are fixedly installed on both sides of the bottom of the base (1) at the outside of the seat (1), and the same horizontal axis (4) is rotatably installed inside the two support columns (15). The bottom ends of the two winding shafts (2) extend to the outside of the base (1), and the bottom ends of the two winding shafts (2) and the outside of the horizontal axis (4) are fixedly installed with first bevel gears (5). Two first bevel gears (5) located on the same side of the four first bevel gears (5) are meshed with each other. A worm (11) and a worm wheel (12) are rotatably installed on one side of the bottom of the base (1), and the worm (11) and the worm wheel (12) are meshed with each other. A second bevel gear (13) is fixedly installed on the front side of the worm wheel (12), and a third bevel gear (14) is fixedly installed on one end of the horizontal axis (4), and the second bevel gear (13) and the third bevel gear (14) are meshed with each other.

2. A pulley processing jig according to claim 1, characterized in that: A jig body (16) is placed on the top of the base (1), and the sides of the two clamping plates (7) that are close to each other are movably abutted against two sides of the jig body (16).

3. A pulley processing jig according to claim 1, characterized in that: A turntable is fixedly mounted on the bottom end of the worm (11), and a handle is fixedly mounted on the bottom of the turntable.

4. A pulley processing jig according to claim 1, characterized in that: Rectangular through holes are provided on both sides of the top of the base (1), and the outer sides of the two clamping rods (6) are movably abutted against the inner sides of the rectangular through holes.

5. A pulley processing jig according to claim 1, characterized in that: Circular holes are provided on both the left and right sides of the base (1), and the outer sides of the two connecting rods (8) are movably abutted against the inner sides of the two circular holes.

6. A pulley processing jig according to claim 1, characterized in that: The bottom of the base (1) is provided with two vertical holes, and the outer sides of the two winding shafts (2) are rotatably mounted on the inner sides of the corresponding vertical holes.

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