Self-adaptive clamping fixture device for precision parts

Abstract

The utility model belongs to the field of precision part machining, and relates to a precision part self-adaption clamping fixture device which comprises a clamping base of a precision part self-adaption clamping fixture, a limiting top plate is fixedly installed on the top of the clamping base, and an inner supporting mechanism is arranged on the limiting top plate. Six overturning openings are formed in the outer side of the clamping base, fixing columns are fixedly installed on the inner sides of the six overturning openings correspondingly, the six fixing columns are rotationally sleeved with overturning metal blocks correspondingly, clamping mechanisms are arranged on the four overturning metal blocks correspondingly, and six guide grooves are formed in the top of the limiting top plate; and guide blocks are mounted on the inner sides of the six guide grooves in a sliding manner. When the clamping mechanism clamps the hollow part, the clamping position of the part can be supported from the inside, so that the hollow part is effectively prevented from being deformed, meanwhile, the clamping stability is effectively improved, and the precision during part machining is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of precision part processing relates to a precision spare part adaptive clamping fixture device. BACKGROUND

[0002] Precision part processing refers to the process of using high-precision processing equipment, advanced processing technology and strict quality control means to process raw materials into parts with high-precision size, shape and surface quality requirements. In precision part processing, dimensional accuracy can usually reach microns or even nanometers, shape error is controlled within a very small range, and surface roughness can also reach very low values. This requires accurate control of various factors during processing, such as machine precision, tool selection and wear, cutting parameter optimization, and processing environment stability. Common precision part processing methods include turning, milling, grinding, electrical discharge machining, and wire cutting. Precision part processing is widely used in aerospace, automotive, electronics, medical devices, mold manufacturing and other fields with high precision requirements.

[0003] During precision part processing, in order to ensure the precision of the parts meets the requirements, a clamp with high clamping force is often used to prevent the parts from shifting. However, the existing clamp is prone to deformation of the clamped position of the parts due to high clamping force when processing some hollow parts, which greatly affects the part yield.

[0004] Therefore, we propose a precision spare part adaptive clamping fixture device to solve the above problems. Utility model content

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A precision spare part adaptive clamping fixture device, comprising a clamping base of a precision spare part adaptive clamping fixture, a limiting top plate is fixedly installed on the top of the clamping base, and an inner support mechanism is provided on the limiting top plate; six turnover openings are provided on the outer side of the clamping base, a fixed column is fixedly installed on the inner side of each of the six turnover openings, a turnover metal block is rotatably provided on each of the six fixed columns, and a clamping mechanism is provided on each of the four turnover metal blocks.

[0007] Specifically, six guide grooves are provided on the top of the limiting top plate, a guide block is slidingly installed on the inner side of each of the six guide grooves, and the movement trajectory of the linkage column is conveniently limited.

[0008] Specific, the inner support mechanism includes linkage disc, six linkage columns and six inner support metal blocks, the top of the limiting top plate is rotatably installed with the linkage disc, six linkage holes are formed in the top of the linkage disc, six linkage columns are slidably installed in the inner sides of the six linkage holes, the bottom ends of the six linkage columns are fixedly connected with the corresponding guide blocks, and the top of the six linkage columns is fixedly installed with the inner support metal block, so that the corresponding inner support metal block can be moved by the movement of the linkage column.

[0009] Specific, the inner support mechanism includes linkage disc, six linkage columns and six inner support metal blocks, the top of the limiting top plate is rotatably installed with the linkage disc, six linkage holes are formed in the top of the linkage disc, six linkage columns are slidably installed in the inner sides of the six linkage holes, the bottom ends of the six linkage columns are fixedly connected with the corresponding guide blocks, and the top of the six linkage columns is fixedly installed with the inner support metal block, so that the corresponding inner support metal block can be moved by the movement of the linkage column.

[0010] Specific, the inner support mechanism includes linkage disc, six linkage columns and six inner support metal blocks, the top of the limiting top plate is rotatably installed with the linkage disc, six linkage holes are formed in the top of the linkage disc, six linkage columns are slidably installed in the inner sides of the six linkage holes, the bottom ends of the six linkage columns are fixedly connected with the corresponding guide blocks, and the top of the six linkage columns is fixedly installed with the inner support metal block, so that the corresponding inner support metal block can be moved by the movement of the linkage column.

[0011] Specific, the inner support mechanism includes linkage disc, six linkage columns and six inner support metal blocks, the top of the limiting top plate is rotatably installed with the linkage disc, six linkage holes are formed in the top of the linkage disc, six linkage columns are slidably installed in the inner sides of the six linkage holes, the bottom ends of the six linkage columns are fixedly connected with the corresponding guide blocks, and the top of the six linkage columns is fixedly installed with the inner support metal block, so that the corresponding inner support metal block can be moved by the movement of the linkage column.

[0012] Specific, the inner support mechanism includes linkage disc, six linkage columns and six inner support metal blocks, the top of the limiting top plate is rotatably installed with the linkage disc, six linkage holes are formed in the top of the linkage disc, six linkage columns are slidably installed in the inner sides of the six linkage holes, the bottom ends of the six linkage columns are fixedly connected with the corresponding guide blocks, and the top of the six linkage columns is fixedly installed with the inner support metal block, so that the corresponding inner support metal block can be moved by the movement of the linkage column.

[0013] Specific, the inner support mechanism includes linkage disc, six linkage columns and six inner support metal blocks, the top of the limiting top plate is rotatably installed with the linkage disc, six linkage holes are formed in the top of the linkage disc, six linkage columns are slidably installed in the inner sides of the six linkage holes, the bottom ends of the six linkage columns are fixedly connected with the corresponding guide blocks, and the top of the six linkage columns is fixedly installed with the inner support metal block, so that the corresponding inner support metal block can be moved by the movement of the linkage column.

[0014] Compared with the prior art, the beneficial effects of the utility model lie in that: through the inner support mechanism, the clamping mechanism can support the clamping position of the part from the inside when clamping the hollow part, so that the deformation of the hollow part is effectively prevented, the stability of clamping is effectively increased, and the precision during part processing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the precise part self-adaptive clamping fixture device is provided.

[0016] Figure 2 A three-dimensional structure split schematic view of the precise component self-adaptive clamping fixture device is provided for the utility model;

[0017] Figure 3 A three-dimensional structure split schematic view of the inner support mechanism of the precise component self-adaptive clamping fixture device is provided for the utility model;

[0018] Figure 4 A three-dimensional structure split schematic view of the inner support mechanism of the precise component self-adaptive clamping fixture device is provided for the utility model;

[0019] Figure 5 A three-dimensional structure split schematic view of the inner support mechanism of the precise component self-adaptive clamping fixture device is provided for the utility model;

[0020] Figure 6 A three-dimensional structure split schematic view of the inner support mechanism of the precise component self-adaptive clamping fixture device is provided for the utility model.

[0021] In the figure: 1, clamping base; 2, limit top plate; 3, inner support servo motor; 4, linkage disc; 5, linkage hole; 6, guide block; 7, linkage column; 8, inner support metal block; 9, fixed column; 10, turnover metal block; 11, clamp; 12, clamping servo motor; 13, threaded rod; 14, support spring; 15, sliding disc; 16, guide column; 17, connecting rod; 18, linkage metal block; 19, linkage ring. DETAILED DESCRIPTION

[0022] Referring to Figures 1-6 A precise component self-adaptive clamping fixture device, comprising a clamping base 1 of a precise component self-adaptive clamping fixture, a limit top plate 2 is fixedly installed on the top of the clamping base 1, and an inner support mechanism is arranged on the limit top plate 2; six turnover openings are formed in the outer side of the clamping base 1, a fixed column 9 is fixedly installed on the inner side of each of the six turnover openings, a turnover metal block 10 is rotatably sleeved on each of the six fixed columns 9, and a clamping mechanism is arranged on each of the four turnover metal blocks 10.

[0023] In the embodiment, six guide grooves are formed in the top of the limit top plate 2, and a guide block 6 is slidingly installed on the inner side of each of the six guide grooves, so that the movement track of the linkage column 7 can be limited.

[0024] In the embodiment, the inner supporting mechanism comprises a linkage disc 4, six linkage columns 7 and six inner supporting metal blocks 8. The linkage disc 4 is rotatably installed on the top of the limiting top plate 2. Six linkage holes 5 are formed on the top of the linkage disc 4. The linkage columns 7 are slidably installed on the inner sides of the six linkage holes 5. The bottom ends of the six linkage columns 7 are fixedly connected with the corresponding guide blocks 6. The inner supporting metal blocks 8 are fixedly installed on the top of the six linkage columns 7. The corresponding inner supporting metal blocks 8 can be driven to move through the movement of the linkage columns 7.

[0025] In the embodiment, a motor groove is formed in the inner part of the limiting top plate 2. The inner supporting servo motor 3 is fixedly installed on the inner side of the motor groove. The output shaft of the inner supporting servo motor 3 is fixedly connected with the linkage disc 4. The linkage disc 4 can be driven to rotate through the inner supporting servo motor 3.

[0026] In the embodiment, the clamping servo motor 12 is fixedly installed on the bottom inner wall of the clamping base 1. The threaded rod 13 is fixedly installed on the output shaft of the clamping servo motor 12. The threaded rod 13 can be driven to rotate through the clamping servo motor 12.

[0027] In the embodiment, the clamping mechanism comprises a sliding disc 15, six linkage metal blocks 18, six connecting rods 17 and a linkage ring 19. The connecting grooves are formed on one side of the six turnover metal blocks 10. The connecting rods 17 are fixedly installed on the inner walls of one side of the six connecting grooves. The linkage metal blocks 18 are rotatably sleeved on the six connecting rods 17. The sliding disc 15 is threadedly sleeved on the threaded rod 13. The outer side of the sliding disc 15 is provided with an annular groove. The linkage ring 19 is rotatably installed on the inner side of the annular groove. The six linkage metal blocks 18 are fixedly connected with the same linkage ring 19. The six linkage metal blocks 18 can be driven to move through the sliding disc 15.

[0028] In the embodiment, the two guide columns 16 are fixedly installed on the bottom inner wall of the clamping base 1. The sliding disc 15 is slidably sleeved on the two guide columns 16. The supporting spring 14 is fixedly installed on the bottom inner wall of the clamping base 1. The other end of the supporting spring 14 is fixedly connected with the bottom of the sliding disc 15. The sliding disc 15 can be assisted to reset.

[0029] In the embodiment, the clamps 11 are fixedly installed on the top of the six turnover metal blocks 10. The rubber blocks are arranged on one side of the six clamps 11. The clamps 11 can be adapted to different shapes of parts.

[0030] Working principle: when clamping the hollow part, the worker places the hollow part on the limiting top plate 2, and then starts the inner support servo motor 3, which drives the linkage disc 4 to rotate, and the linkage disc 4 drives the plurality of linkage holes 5 to move around the output shaft of the inner support servo motor 3 as the center, and the plurality of linkage holes 5 drive the corresponding linkage columns 7 to move, and the plurality of linkage columns 7 drive the corresponding guide blocks 6 to move, preventing them from deviating, and the plurality of linkage columns 7 drive the corresponding inner support metal blocks 8 to move, supporting and clamping the inner wall of the hollow part, and then the worker starts the clamping servo motor 12, which drives the threaded rod 13 to rotate, and the threaded rod 13 is screwed with the sliding disc 15, so when the threaded rod 13 rotates, the sliding disc 15 moves axially, and the sliding disc 15 drives the linkage ring 19 to move, and the linkage ring 19 drives the plurality of linkage metal blocks 18 to move, and the plurality of linkage metal blocks 18 drive the corresponding connecting rods 17 to move and in turn drive the corresponding turnover metal blocks 10 to move, and the plurality of turnover metal blocks 10 are rotatably arranged on the corresponding fixed columns 9, so that the plurality of linkage metal blocks 18 drive the corresponding turnover metal blocks 10 to rotate around the corresponding fixed columns 9 as the center, thereby driving the plurality of clamps 11 to clamp the hollow part, and the plurality of clamps 11 are provided with rubber blocks on one side, which can prevent damage to the part and also increase the adaptability of the part with different shapes, facilitating better fixation.

[0031] The technical progress obtained by the utility model relative to the prior art is that the clamping mechanism can support the clamping position of the part from the inside when clamping the hollow part, thereby effectively preventing the hollow part from deforming, effectively increasing the stability of clamping, and improving the precision during part processing.

Claims

1. A precision parts self-adaptive clamping fixture device, characterized in that, The application relates to a clamping base (1) comprising a self-adaptive clamping clamp for precise parts, wherein a limiting top plate (2) is fixedly arranged on the top of the clamping base (1), and an inner supporting mechanism is arranged on the limiting top plate (2). Six turnover openings are formed in the outer side of the clamping base (1), and a fixed column (9) is fixedly arranged on the inner side of each of the six turnover openings; a turnover metal block (10) is rotatably arranged on each of the six fixed columns (9); and a clamping mechanism is arranged on each of the four turnover metal blocks (10).

2. The precision parts self-adapting clamping fixture device according to claim 1, wherein, Six guide grooves are formed in the top of the limiting top plate (2), and a guide block (6) is slidably arranged in the inner side of each of the six guide grooves.

3. The precision parts self adaptive clamping fixture device according to claim 2, characterized in that, The inner supporting mechanism comprises a linkage disc (4), six linkage columns (7) and six inner supporting metal blocks (8), the linkage disc (4) is rotatably arranged on the top of the limiting top plate (2), six linkage holes (5) are formed in the top of the linkage disc (4), a linkage column (7) is slidably arranged in the inner side of each of the six linkage holes (5), the bottom end of each of the six linkage columns (7) is fixedly connected with a corresponding guide block (6), and the top of each of the six linkage columns (7) is fixedly arranged with an inner supporting metal block (8).

4. The precision parts self adaptive clamping fixture device according to claim 3, characterized in that, A motor groove is formed in the inner part of the limiting top plate (2), an inner supporting servo motor (3) is fixedly arranged in the inner side of the motor groove, and the output shaft of the inner supporting servo motor (3) is fixedly connected with the linkage disc (4).

5. The precision parts self adaptive clamping fixture device according to claim 1, wherein, A clamping servo motor (12) is fixedly arranged on the inner wall of the bottom of the clamping base (1), and a threaded rod (13) is fixedly arranged on the output shaft of the clamping servo motor (12).

6. A precision parts self adaptive clamping fixture device according to claim 5, wherein, The clamping mechanism comprises a sliding disc (15), six linkage metal blocks (18), six connecting rods (17) and a linkage ring (19), a connecting groove is formed in one side of each of the six turnover metal blocks (10), a connecting rod (17) is fixedly arranged on the inner wall of one side of each of the six connecting grooves, a linkage metal block (18) is rotatably arranged on each of the six connecting rods (17), the threaded rod (13) is threadedly sleeved with the sliding disc (15), an annular groove is formed in the outer side of the sliding disc (15), the linkage ring (19) is rotatably arranged in the inner side of the annular groove, and each of the six linkage metal blocks (18) is fixedly connected with the same linkage ring (19).

7. A precision component self-adapting clamping fixture device according to claim 6, characterized in that, Two guide columns (16) are fixedly arranged on the inner wall of the bottom of the clamping base (1), the sliding disc (15) is slidably sleeved on the two guide columns (16), a supporting spring (14) is fixedly arranged on the inner wall of the bottom of the clamping base (1), and the other end of the supporting spring (14) is fixedly connected with the bottom of the sliding disc (15).

8. A precision parts self adaptive clamping fixture device according to claim 7, characterized in that, A clamping clamp (11) is fixedly arranged on the top of each of the six turnover metal blocks (10), and a rubber block is arranged on one side of each of the six clamping clamps (11).

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