Improved clamp for differential shell machining

Abstract

The improved clamp for differential shell machining comprises a left clamp assembly and a right clamp assembly, the right clamp assembly comprises an outer cylinder, a conical cylinder, a moving groove, a conical hole, a wedge groove, an inner electric rod, an inner conical head, an inner cylinder, a spring, a limiting plate, a moving block, an ejector block and a sliding block, and the conical cylinder is fixedly connected to the left side wall of the outer cylinder; three moving grooves are formed in the conical surface of the conical cylinder, and are uniformly distributed in the conical cylinder. By arranging the left clamping assembly and the right clamping assembly, the conical cylinder not only can block one end of the differential shell, but also can extend into the differential shell and can stably clamp the inner wall of the differential shell after jacking up the jacking block, so that the differential shell is quickly clamped, a hemispheroid-like body of the differential shell and sleeves on the two sides are located on the same axis, the clamping coaxiality of the differential shell is improved, and the clamping efficiency of the differential shell is improved. And clamping of different shells with the same size can be achieved, and the practicability of the clamp is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, concretely to an improved fixture for differential case machining. BACKGROUND

[0002] Differential case refers to the shell of the automobile differential, which is an important component in the automobile transmission system, used to protect the gears and bearings inside the differential, and allow the left and right drive wheels to rotate at different speeds to meet the needs of the car turning.

[0003] Because the differential case is hemispherical in shape and hollow inside, with sleeves on both sides, it is very difficult to clamp during machining, and the sleeves on both sides of the differential case have high coaxiality requirements, resulting in low machining efficiency of the differential case. SUMMARY

[0004] The utility model discloses a kind of improved fixtures for differential case machining, wherein cone barrel not only can be plugged to one end of differential case, it can also be inserted into differential case inside, after lifting up with top block, it can be stably clamped to differential case inner wall, form the quick clamping of differential case, and make the hemispherical body of differential case and two side sleeves be located on the same axis, improve the coaxiality of differential case clamping, it can also realize the clamping of differential case of same size, improve the practicability of fixture.

[0005] To achieve the above object, provide an improved fixture for differential case machining, comprising: left clamping assembly and right clamping assembly, the right clamping assembly includes outer cylinder, cone barrel, moving groove, taper hole, wedge groove, inner electric rod, inner cone head, inner cylinder, spring, limit plate, moving block, top block and sliding block, the left side wall of the outer cylinder is fixedly connected with the cone barrel, the conical surface of the cone barrel is provided with a moving groove, the number of moving grooves is three, and they are evenly distributed on the cone barrel, the left side wall of the cone barrel is provided with a taper hole and a wedge groove, the number of wedge grooves is three, and they are evenly distributed around the taper hole, the inner electric rod is fixedly connected inside the cone barrel, the inner electric rod is fixedly connected with the inner cone head on the right side wall, the inner cylinder is fixedly connected inside the outer cylinder, the inner cylinder is fixedly connected with the spring inside, the end of the spring away from the inner cylinder is fixedly connected with the limit plate, the moving groove is slidably provided with a moving block and a sliding block inside, the moving block and the sliding block are fixedly connected, the top of the moving block is fixedly connected with the top block, and the number of moving blocks, top blocks and sliding blocks is three.

[0006] According to the improved fixture for differential case machining, the cone barrel, the taper hole, the inner cone head and the left cone head are located on the same axis.

[0007] According to the improved fixture for differential case machining, the inner cone head is fixedly connected with the limit plate, and the limit plate is located inside the inner cylinder.

[0008] According to the improved clamp for differential case machining, the moving block is located outside the inner conical head.

[0009] According to the improved clamp for differential case machining, the left clamp assembly comprises a left fixed plate, a left electric rod, a left conical head and wedge blocks, the right side wall of the left fixed plate is fixedly connected with the left electric rod, the right side wall of the left electric rod is fixedly connected with the left conical head, and the conical surface of the left conical head is fixedly connected with the wedge blocks.

[0010] According to the improved clamp for differential case machining, the right clamp assembly further comprises a right electric rod and a right fixed plate, and the right side wall of the outer cylinder is fixedly connected with the right electric rod, and the right side wall of the right electric rod is fixedly connected with the right fixed plate.

[0011] According to the improved clamp for differential case machining, the left conical head and the conical hole are correspondingly arranged, and the wedge block and the wedge groove are correspondingly arranged.

[0012] Compared with the prior art, the improved clamp for differential case machining has the beneficial effects that: the left clamp assembly and the right clamp assembly are arranged, the conical cylinder can not only block one end of the differential case, but also extend into the differential case, the differential case inner wall can be stably clamped after the top block is lifted, the differential case is quickly clamped, the differential case hemispherical body and the two side sleeves are located on the same axis, the coaxiality of the differential case clamping is improved, the clamping of differential cases with the same size can be realized, and the practicability of the clamp is improved.

[0013] Additional aspects and advantages of the present application will be described in the following description and part will become apparent to those skilled in the art from the following description or understood from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and embodiments.

[0015] Figure 1 It is a front view of the improved clamp for differential case machining.

[0016] Figure 2 It is a structure diagram of the left clamp assembly of the improved clamp for differential case machining.

[0017] Figure 3 It is a sectional view of the right clamp assembly of the improved clamp for differential case machining.

[0018] Figure 4 It is a structure diagram of the top block of the improved clamp for differential case machining.

[0019] In the figure: 1, left clamp assembly; 2, right clamp assembly; 101, left fixed plate; 102, left electric rod; 103, left taper head; 104, wedge; 201, outer cylinder; 202, taper cylinder; 203, moving groove; 204, taper hole; 205, wedge groove; 206, inner electric rod; 207, inner taper head; 208, inner cylinder; 209, spring; 210, limiting plate; 211, moving block; 212, top block; 213, sliding block; 214, right electric rod; 215, right fixed plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: an improved clamp for differential shell processing, comprising: left clamp assembly 1 and right clamp assembly 2, right clamp assembly 2 includes outer cylinder 201, taper cylinder 202, moving groove 203, taper hole 204, wedge groove 205, inner electric rod 206, inner taper head 207, inner cylinder 208, spring 209, limiting plate 210, moving block 211, top block 212 and sliding block 213, the left side wall of outer cylinder 201 is fixedly connected with taper cylinder 202, the conical surface of taper cylinder 202 is provided with moving groove 203, the number of moving groove 203 is three, and is evenly distributed on taper cylinder 202, the left side wall of taper cylinder 202 is provided with taper hole 204 and wedge groove 205, the number of wedge groove 205 is three, and is evenly distributed around taper hole 204, inner electric rod 206 is fixedly connected in the inside of taper cylinder 202, inner taper head 207 is fixedly connected on the right side wall of inner electric rod 206, inner cylinder 208 is fixedly connected in the inside of outer cylinder 201, spring 209 is fixedly connected in the inside of inner cylinder 208, the end of spring 209 away from inner cylinder 208 is fixedly connected with limiting plate 210, inner taper head 207 is fixedly connected with limiting plate 210, limiting plate 210 is located in the inside of inner cylinder 208, moving block 211 and sliding block 213 are slidably arranged in the inside of moving groove 203, moving block 211 and sliding block 213 are fixedly connected, top block 212 is fixedly connected on the top of moving block 211, the number of moving block 211, top block 212 and sliding block 213 is all set to three, moving block 211 is located on the outside of inner taper head 207, when starting inner electric rod 206, inner taper head 207 is pushed to move right, so that moving block 211 and top block 212 are ejected outward, so that top block 212 is fixed with the inner wall of differential shell.

[0022] The left clamping assembly 1 comprises a left fixed plate 101, a left electric rod 102, a left conical head 103 and wedge blocks 104, the right side wall of the left fixed plate 101 is fixedly connected with the left electric rod 102, the right side wall of the left electric rod 102 is fixedly connected with the left conical head 103, the conical surface of the left conical head 103 is fixedly connected with the wedge blocks 104, the number of the wedge blocks 104 is three, and the wedge blocks 104 are uniformly distributed on the left conical head 103, the left conical head 103 and the conical hole 204 are correspondingly arranged, the wedge blocks 104 and the wedge grooves 205 are correspondingly arranged, when the left conical head 103 is clamped into the conical hole 204, the wedge blocks 104 are clamped into the wedge grooves 205, and the conical cylinder 202 is stabilized.

[0023] The right clamping assembly 2 further comprises a right electric rod 214 and a right fixed plate 215, the right side wall of the outer cylinder 201 is fixedly connected with the right electric rod 214, the right side wall of the right electric rod 214 is fixedly connected with the right fixed plate 215, the conical cylinder 202, the conical hole 204, the inner conical head 207 and the left conical head 103 are located on the same axis.

[0024] Working principle: the left fixed plate 101 and the right fixed plate 215 are fixedly connected with the workbench, the difference shell is placed between the left clamping assembly 1 and the right clamping assembly 2, the left electric rod 102 pushes the left conical head 103 to extend into the inside from the sleeve on one side of the difference shell, the right electric rod 214 pushes the outer cylinder 201 and the conical cylinder 202 to move left, the conical cylinder 202 fixes the sleeve on the other side of the difference shell and extends part of the structure into the inside of the difference shell, the inner electric rod 206 is started, the inner conical head 207 is pushed to move right, so that the moving block 211 and the top block 212 are pushed outwards, the top block 212 is fixed with the inner wall of the difference shell, the left conical head 103 is clamped into the conical hole 204, the wedge blocks 104 are clamped into the wedge grooves 205, and the conical cylinder 202 is stabilized, and the inside and outside of the difference shell are fixed.

[0025] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. An improved fixture for differential case machining, characterized by, Include: The left clamp assembly (1) and the right clamp assembly (2), the right clamp assembly (2) includes outer cylinder (201), cone cylinder (202), moving groove (203), taper hole (204), wedge groove (205), inner electric rod (206), inner cone head (207), inner cylinder (208), spring (209), limit plate (210), moving block (211), top block (212) and sliding block (213), the left side wall of outer cylinder (201) is fixedly connected with cone cylinder (202), the conical surface of cone cylinder (202) is provided with moving groove (203), the number of moving groove (203) is three, and is evenly distributed on cone cylinder (202), the left side wall of cone cylinder (202) is provided with taper hole (204) and wedge groove (205), the number of wedge groove (205) is three, and is evenly distributed around taper hole (204), the inside of cone cylinder (202) is fixedly connected with inner electric rod (206), the right side wall of inner electric rod (206) is fixedly connected with inner cone head (207), the inside of outer cylinder (201) is fixedly connected with inner cylinder (208), the inside of inner cylinder (208) is fixedly connected with spring (209), the end of spring (209) away from inner cylinder (208) is fixedly connected with limit plate (210), the inside of moving groove (203) is slidably provided with moving block (211) and sliding block (213), the moving block (211) and sliding block (213) are fixedly connected, the top of moving block (211) is fixedly connected with top block (212), the number of moving block (211), top block (212) and sliding block (213) is three.

2. An improved fixture for differential case machining as claimed in claim 1, wherein: The left clamp assembly (1) includes left fixed plate (101), left electric rod (102), left cone head (103) and wedge block (104), the right side wall of left fixed plate (101) is fixedly connected with left electric rod (102), the right side wall of left electric rod (102) is fixedly connected with left cone head (103), the conical surface of left cone head (103) is fixedly connected with wedge block (104), the number of wedge block (104) is three, and is evenly distributed on left cone head (103).

3. An improved fixture for differential case machining as claimed in claim 2 wherein: The left cone head (103) and taper hole (204) are correspondingly arranged, and the wedge block (104) and wedge groove (205) are correspondingly arranged.

4. An improved fixture for differential case machining as claimed in claim 1 wherein: The inner cone head (207) is fixedly connected with the limit plate (210), and the limit plate (210) is located in the inside of the inner cylinder (208).

5. An improved fixture for differential case machining as claimed in claim 1 wherein: The right clamp assembly (2) further includes right electric rod (214) and right fixed plate (215), the right side wall of outer cylinder (201) is fixedly connected with right electric rod (214), the right side wall of right electric rod (214) is fixedly connected with right fixed plate (215).

6. An improved fixture for differential case machining as claimed in claim 1 wherein: The moving block (211) is located outside the four around the inner cone head (207).

7. An improved fixture for differential case machining as claimed in claim 1 wherein: The cone cylinder (202), the taper hole (204), the inner cone head (207) and the left cone head (103) are located on the same axis.

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