Sleeve part machining clamp

Abstract

The utility model provides a sleeve part machining clamp which comprises a bottom plate, a protruding placement platform is arranged in the middle of the bottom plate in the width direction, and two rows of clamping station sets are symmetrically arranged on the bottom plate in the width direction. The clamping station set comprises a plurality of clamping stations arranged at intervals in the length direction of the bottom plate, each clamping station comprises a containing part arranged on the placement platform and a pressing part arranged on the bottom plate, and the containing parts are used for containing products; and the pressing piece is used for pressing and limiting the product in the accommodating part. In this way, a plurality of sleeve parts can be clamped at the same time at a time to be placed in a machine tool to be machined, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining fixtures, in particular to a machining fixture for sleeve parts. Background Art

[0002] In the field of machining technology, some workpieces need to be machined by cutting to meet the needs of workpiece installation, heat dissipation, etc. There is a kind of sleeve part (as shown in Figure 1 ), which includes a sleeve body. A central hole is axially and throughly provided on the sleeve body, and an outer ring protruding radially is provided on the outer wall of the sleeve body. During machining, local cutting needs to be carried out on the inner wall of the central hole and the upper part of the outer ring respectively to meet the installation requirements of the part.

[0003] In the prior art, a manipulator is usually used to grasp the sleeve part, place it in a cutting machine tool, and then carry out mechanical cutting. The manipulator can only clamp one sleeve part at a time, and after the cutting on both the central hole and the outer ring of the sleeve part is completed, the manipulator can grasp the next sleeve part to continue processing, resulting in low processing efficiency. In addition, when the sleeve part is clamped on the manipulator for cutting, there is a situation where the clamping is not firm, which easily leads to deviation of the cutting position, affecting the final product and resulting in a low qualified rate. Summary of the Utility Model

[0004] To solve the above problems, the utility model provides a machining fixture for sleeve parts with a simple structure and effectively improving work efficiency.

[0005] The main content of the utility model includes: a bottom plate. The middle part of the bottom plate in the width direction has a raised placement platform. There are two rows of clamping station groups symmetrically arranged in the width direction on the bottom plate. The clamping station group includes several clamping stations arranged at intervals in the length direction of the bottom plate. Each clamping station includes a receiving part arranged on the placement platform and a pressing part arranged on the bottom plate. The receiving part is used to place the product, and the pressing part is used to press and limit the product in the receiving part.

[0006] Preferably, the receiving part includes a sunken groove opened on the placement platform. A receiving hole for receiving the sleeve body is axially and throughly opened in the middle of the sunken groove. A support step protruding radially inward is provided at the lower part of the receiving hole.

[0007] Preferably, the receiving part further includes a reference plate. The reference plate is locked on the sunken groove through a locking bolt. A through hole is axially and throughly opened in the middle of the reference plate, and the diameter of the through hole is larger than the diameter of the receiving hole.

[0008] Preferably, a plurality of placement holes are provided along the circumferential direction of the accommodation hole on the sinking groove, buffer members are arranged in the placement holes, and the placement holes are within the range of the through holes.

[0009] Preferably, the buffer member includes an adjusting bolt threadedly engaged with the bottom of the placement hole, a spring is arranged above the adjusting bolt, and the upper end of the spring protrudes from the placement hole.

[0010] Preferably, a first cutting avoidance groove extending axially is provided at the lower part of the support step and a second cutting avoidance groove extending axially is provided at the upper part of the reference plate respectively.

[0011] Preferably, the pressing member includes a jacking cylinder placed on the bottom plate, the output end of the jacking cylinder faces upward, the upper end of the push rod is rotatably connected to a lower pressing plate through a first rotating shaft, one side of the jacking cylinder close to the placement platform is rotatably connected to a connecting rod through a second rotating shaft, and the end of the connecting rod away from the second rotating shaft is rotatably connected to the middle section of the lower pressing plate through a third rotating shaft.

[0012] Preferably, one end of the lower pressing plate close to the accommodation part is arranged in a U-shaped structure.

[0013] Preferably, end plates arranged vertically are provided at both ends of the bottom plate along the length direction.

[0014] The beneficial effects of the present utility model are as follows: a plurality of clamping stations are arranged on the bottom plate, each clamping station includes an accommodation part for accommodating sleeve-shaped parts arranged on the placement platform, a pressing member is arranged in cooperation with the bottom plate, and the pressing member presses the sleeve-shaped parts into the accommodation part to realize clamping of multiple sleeve-shaped parts at one time, effectively improving the clamping and processing efficiency;

[0015] The sleeve-shaped parts are placed in the accommodation holes, a support step is arranged in the accommodation holes, and the support step and the pressing member cooperate with each other to limit the displacement of the sleeve-shaped parts in the horizontal and vertical directions, realizing stable clamping of the sleeve-shaped parts;

[0016] Buffer members are arranged in the accommodation part. During the downward pressing process of the sleeve-shaped parts, the placement positions of the sleeve-shaped parts can be buffered and adjusted, so that they are pressed in a horizontal state, playing a protective role for the sleeve-shaped parts. Description of the Drawings

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the sleeve-shaped part;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of a preferred embodiment;

[0019] Figure 3 It is a partial exploded structural schematic diagram of the accommodation part of a preferred embodiment;

[0020] Figure 4 Schematic diagram of the three-dimensional structure of the pressing member in a preferred embodiment;

[0021] Reference numerals:

[0022] 1. Base plate; 11. Placement platform; 12. End plate;

[0023] 2. Accommodating part; 21. Sinking groove; 22. Accommodating hole; 23. Support step; 24. Placement hole; 25. Buffer member; 251. Adjusting bolt; 252. Spring; 26. Reference plate; 261. Through hole; 27. Locking bolt; 28. First cutting avoidance groove; 29. Second cutting avoidance groove;

[0024] 3. Pressing member; 31. Lifting cylinder; 32. First rotating shaft; 33. Lower pressing plate; 34. Second rotating shaft; 35. Connecting rod; 36. Third rotating shaft;

[0025] 4. Sleeve-like part; 41. Sleeve body; 42. Central hole; 43. Outer ring. Detailed implementation manners

[0026] The following specifically describes the technical solutions protected by the present utility model in conjunction with the accompanying drawings.

[0027] As Figure 1 shown, a product to be clamped is a sleeve-like part 4, which includes a sleeve body 41. An axially penetrating central hole 42 is provided on the sleeve body 41, and a radially protruding outer ring 43 is provided in the middle section of the outer wall of the sleeve body 41.

[0028] As Figure 1-2 shown, the present application proposes a processing fixture for sleeve-like parts, which includes a base plate 1. A raised placement platform 11 is provided in the middle of the base plate 1 in the width direction, and the placement platform 11 extends along the length direction of the base plate 1. There are two rows of symmetrically arranged clamping station groups in the width direction on the base plate 1, and each row of clamping station groups includes a plurality of clamping stations arranged at intervals along the length direction of the base plate 1. The sleeve-like parts 4 are correspondingly clamped on the clamping stations. The processing fixture is configured with a plurality of clamping stations, which can simultaneously clamp multiple sleeve-like parts 4 at one time without interference, and can effectively improve work efficiency.

[0029] As Figure 1-2 shown, the clamping station includes an accommodating part 2 provided on the placement platform 11 and a pressing member 3 provided on the base plate 1. The sleeve-like part 4 is placed in the accommodating part 2, and the pressing member 3 is correspondingly pressed above the sleeve-like part 4 to tightly press and limit the sleeve-like part 4 in the accommodating part 2 to complete the clamping of the sleeve-like part 4.

[0030] As Figure 1-3As shown in the figure, the accommodating part 2 includes a sunken groove 21 formed on the upper end surface of the placement platform 11. A through hole 22 for accommodating the sleeve body 41 is formed through the middle of the sunken groove 21. A support step 23 is provided at the lower part of the through hole 22. The support step 23 protrudes inward along the inner wall circumference of the through hole 22. The support step 23 is used to support the lower end of the sleeve body 41, so that the sleeve body 41 is placed inside the through hole 22, and the displacement of the sleeve body 41 in the horizontal direction can be restricted.

[0031] As Figure 1-3 shown in the figure, the accommodating part 2 further includes a reference plate 26 placed on the sunken groove 21. The reference plate 26 is fixedly locked to the sunken groove 21 by a locking bolt 27. A through hole 261 is formed through the middle of the reference plate 26. The diameter of the through hole 261 is larger than the diameter of the through hole 22. An installation space is formed between the through hole 261 and the bottom of the sunken groove 21. The outer ring 43 of the sleeve-like part 4 is placed on the bottom of the sunken groove 21 and is restricted within the through hole 261. Preferably, the diameter of the through hole 261 is adapted to the diameter of the outer ring 43 of the sleeve-like part 4, and the thickness of the reference plate 26 is adapted to the thickness of the outer ring 43, so as to ensure that the pressing part 3 can be pressed on both the reference plate 26 and the outer ring 43 at the same time, and maintain the clamping stability of the sleeve-like part 4.

[0032] As Figure 1-3 shown in the figure, the sunken groove 21 has a plurality of installation holes 24 corresponding to the circumference of the through hole 22. A buffer member 25 is arranged in the installation holes 24, and the installation holes 24 are correspondingly located within the range of the through hole 261. The buffer member 25 includes an adjusting bolt 251 and a spring 252 placed above the adjusting bolt 251. Among them, the adjusting bolt 251 is threadedly connected to the bottom of the installation hole 24, and the spring 252 is supported by the adjusting bolt 251 and placed in the installation hole 24. The upper end part of the spring 252 protrudes from the installation hole 24. By controlling the height of the threaded fit between the adjusting bolt 251 and the installation hole 24 to adjust the height of the spring 252 protruding from the installation hole 24, flexible adjustment can be made according to actual needs, and the adaptability is relatively strong. When the sleeve-like part 4 is placed in the accommodating part 2 by an external manipulator, the outer ring 43 of the sleeve-like part 4 first contacts the spring 252, and the pressing part 3 acts on the upper end surface of the outer ring 43 and presses it down until the outer ring 43 is placed on the bottom of the sunken groove 21. If the sleeve-like part 4 is not placed horizontally during placement and the pressing part directly presses down without a spring, it is easy to cause hard extrusion between the part and the bottom of the sunken groove, which is likely to cause wear to the part; but when there is a spring, the pressing part 3 presses the sleeve-like part 4, and the spring 252 plays a buffering and adjusting role for the sleeve-like part 4, adjusts and balances the angle of the sleeve-like part 4, and makes it press on the bottom of the sunken groove 21 in a horizontal state, which can protect the sleeve-like part 4.

[0033] As Figure 1-4As shown in the figure, the pressing member 3 includes a jacking cylinder 31 disposed on the bottom plate 1. The output end of the jacking cylinder 31 faces upward, and the upper end of the push rod is rotatably connected to a lower pressing plate 33 through a first rotating shaft 32. One side of the jacking cylinder 31 close to the placement platform 11 is rotatably connected to a connecting rod 35 through a second rotating shaft 34. The end of the connecting rod 35 away from the second rotating shaft 34 is rotatably connected to the middle section of the lower pressing plate 33 through a third rotating shaft 36. When the jacking cylinder 31 operates and the push rod extends, the end of the lower pressing plate 33 connected to the first rotating shaft 32 moves upward, the lower pressing plate 33 rotates around the third rotating shaft 36, and the end of the lower pressing plate 33 away from the first rotating shaft 32 moves downward, corresponding to pressing on the sleeve-like part 4 to complete the locking and clamping of the sleeve-like part 4. The lower pressing plate 33 and the supporting step 23 act together to limit the displacement of the sleeve-like part 4 in the vertical direction. Preferably, the acting end of the lower pressing plate 33 close to the accommodating part 2 is provided with a U-shaped mechanism, so that the lower pressing plate 33 acts on both sides of the outer ring 43, and the lower pressing plate 33 can be pressed on the upper end surfaces of both the outer ring 43 and the reference plate 26 at the same time to improve the pressing stability.

[0034] As Figure 1-3 shown, preferably, an axially extending first cutting avoidance groove 28 and a second cutting avoidance groove 29 are respectively provided at the lower part of the supporting step 23 and the upper part of the reference plate 26. The opening positions of the cutting avoidance grooves are opened according to the processing positions of the corresponding sleeve-like parts 4, which is convenient for subsequent cutting processing of the sleeve-like parts 4 on the machine tool.

[0035] As Figure 2 shown, preferably, end plates 12 are vertically arranged at both ends of the bottom plate 1 along the length direction. The processing fixture is installed on the rotary driving part of the cutting machine tool through the end plates 12 to drive the whole processing fixture to rotate for cutting at different positions of the sleeve-like part.

[0036] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A machining fixture for sleeve parts, characterized in that, Mainly includes: A bottom plate, the middle of the bottom plate in the width direction has a raised placement platform, and there are two rows of clamping station groups symmetrically arranged in the width direction on the bottom plate. Each clamping station group includes several clamping stations arranged at intervals in the length direction of the bottom plate. Each clamping station includes a receiving part arranged on the placement platform and a pressing part arranged on the bottom plate. The receiving part is used to place the product, and the pressing part is used to press and limit the product in the receiving part.

2. The machining fixture for sleeve parts according to claim 1, wherein The receiving part includes a sunken groove opened on the placement platform. A receiving hole for receiving the sleeve body is opened through the middle of the sunken groove. A support step protruding radially inward is arranged at the lower part of the receiving hole.

3. The machining fixture for sleeve parts according to claim 2, wherein The receiving part further includes a reference plate, which is locked on the sunken groove by a locking bolt. A through hole is opened through the middle of the reference plate, and the diameter of the through hole is larger than the diameter of the receiving hole.

4. The machining fixture for sleeve parts according to claim 3, wherein Several placement holes are opened on the sunken groove along the circumference of the receiving hole, and buffer members are arranged in the placement holes. The placement holes are within the range of the through hole.

5. The machining fixture for sleeve parts according to claim 4, wherein The buffer member includes an adjusting bolt threadedly engaged with the bottom of the placement hole. A spring is arranged above the adjusting bolt, and the upper end of the spring protrudes from the placement hole.

6. The machining fixture for sleeve parts according to claim 3, wherein A first cutting avoidance groove extending axially is respectively arranged at the lower part of the support step and the upper part of the reference plate.

7. The machining fixture for sleeve parts according to claim 1, wherein The pressing part includes a lifting cylinder placed on the bottom plate. The output end of the lifting cylinder faces upward, and the upper end of the push rod is rotatably connected to a lower pressing plate through a first rotating shaft. One side of the lifting cylinder close to the placement platform is rotatably connected to a connecting rod through a second rotating shaft. The end of the connecting rod far from the second rotating shaft is rotatably connected to the middle section of the lower pressing plate through a third rotating shaft.

8. The machining fixture for sleeve parts according to claim 7, wherein One end of the lower pressing plate close to the receiving part is arranged in a U-shaped structure.

9. The machining fixture for sleeve parts according to claim 1, wherein End plates are arranged vertically at both ends of the bottom plate in the length direction.

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