Automobile side plate welding positioning clamp

Abstract

The invention relates to an automobile side plate welding positioning clamp which comprises a base, an A-area clamping mechanism, a B-area clamping mechanism, a C-area clamping mechanism and a D-area clamping mechanism are arranged on the base and correspondingly fixed to a point a, a point b, a point c and a point d on a side plate respectively, the A-area clamping mechanism is used for transverse clamping, clamping of the automobile side plate is achieved through a multi-station clamping mechanism, and the D-area clamping mechanism is used for clamping the automobile side plate. By using the multiple clamping points, fixing force on a workpiece can be evenly distributed, deformation and displacement of the workpiece are reduced, and therefore machining precision and consistency are improved, a more stable and safer machining environment is provided, vibration and movement of the workpiece in the machining process can be reduced through the reliable clamping points and fixing force, the risk of accidents is reduced, and machining efficiency is improved. The distributed A-area clamping mechanism, the B-area clamping mechanism, the C-area clamping mechanism and the D-area clamping mechanism can flexibly adapt to automobile side plate workpieces of different sizes, shapes and types.

Description

Technical Field

[0001] The invention relates to the field of automobile parts fixtures, in particular to an automobile side panel welding positioning fixture. Background Art

[0002] When processing automobile parts, fixtures are needed to accurately position and fix them on the processing equipment to ensure stability and precision during the processing. The automobile side panel is an important component of the automobile, which includes the front inner panel of the side panel. The front inner panel of the side panel includes the front end, the rear end and the downward protruding B-pillar part. During the production process, these three need to be welded together to form a complete front inner panel of the automobile side panel.

[0003] Since the side panel assembly has the characteristics of symmetrical structure and large volume, it is not easy to fix it during processing operation, which affects the accuracy of the processing operation position and thus cannot guarantee the production quality of the left and right side panel assemblies of the automobile. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a welding positioning fixture for an automobile side panel.

[0005] The present invention provides a vehicle side panel welding positioning fixture adopts the following technical solution:

[0006] A welding positioning fixture for an automobile side panel comprises a base, on which a clamping mechanism in area A, a clamping mechanism in area B, a clamping mechanism in area C and a clamping mechanism in area D are arranged, which correspond to fixing points a, b, c and d on the side panel respectively, the clamping mechanism in area A is a transverse clamping mechanism, the clamping mechanism in area A comprises a clamping assembly A1, a clamping assembly A2, a clamping assembly A3 and a clamping assembly A4, the clamping assembly A1 comprises a fixing seat 1, a connecting plate 1, a cylinder 1, a cylinder 2 and a cylinder 3, the fixing seat 1 is arranged on the base, the connecting plate One is hinged to the fixed seat one, the output end of the cylinder one is hinged to the connecting plate one, the cylinder two is fixed on the connecting plate one, the output end of the cylinder two is provided with a push plate one, and the push plate one is provided with a clamping arm one, the cylinder three is fixed on the connecting plate one, the output end of the cylinder three is hinged with a support arm, the waist of the support arm is hinged to the connecting plate one through a connecting rod, and the end of the support arm is provided with a clamping arm one, the clamping arm one on the push plate one and the clamping arm one on the support arm cooperate to fix the side skirt plate of the side plate A area.

[0007] Preferably, the clamping assemblies A2, A3, and A4 all include a cylinder four, a fixed seat two, and a connecting plate two. The cylinder four is arranged on the fixed seat two, and the output end of the cylinder four is hinged to the connecting plate two. The connecting plate two is hinged to the fixed seat two, and a clamping arm two is arranged on the fixed seat two. The end of the connecting plate two is correspondingly provided with a clamping arm two. The only difference between A2, A3, and A4 is the different sizes of the fixed seat two and the connecting plate two.

[0008] Preferably, the clamping mechanism in zone B includes a clamping assembly B1, a clamping assembly B2 and a clamping assembly B3. The structures of the clamping assemblies B2 and B3 are similar to those of A2, and the only difference is the position and size. The clamping assembly B1 includes a fixed seat three, a cylinder five, a cylinder six, and a connecting plate three. The fixed seat is laterally provided with a clamping arm three. The cylinder five and the cylinder six are both laterally arranged on the fixed seat three. The output end of the cylinder six is ​​pressed against the outer side of the side plate through a push plate. The output end of the cylinder five is hinged to the connecting plate three. The waist of the connecting plate three is hinged to the fixed seat three through a connecting rod. The end portion of the connecting plate three is forked with two groups of clamping arms three. The clamping arm three on the connecting plate three corresponds to the clamping arm three on the fixed seat three.

[0009] Preferably, the C zone clamping mechanism includes clamping assembly C1, clamping assembly C2, and clamping assembly C3. The clamping assemblies C1 and C3 have the same structure as the clamping assembly A2, and the only difference is the position and size. The clamping assembly C2 has the same structure as the clamping assembly B1, and the only difference is the position and size.

[0010] Preferably, the D zone clamping mechanism includes a clamping assembly D1, a clamping assembly D2, and a clamping assembly D3, the clamping assembly D1 includes a fixing seat four, a cylinder seven, and a connecting plate four, the cylinder is obliquely arranged on the fixing seat four, the output end of the cylinder seven is hinged to the connecting plate four, the waist of the connecting plate four is hinged to the fixing seat four through a connecting rod, the fixing seat four is provided with an obliquely arranged clamping arm four, and the end of the connecting plate four is provided with an obliquely arranged clamping arm four.

[0011] Preferably, the structures of the clamping assembly D2 and the clamping assembly D3 are similar to the clamping assembly A2, and the only difference is the size and position.

[0012] In summary, the present invention includes at least one of the following beneficial technical effects:

[0013] 1. Cylinder 1 drives connecting plate 1 to rotate, controls the position of cylinder 2 on connecting plate 1, and makes push plate 1 on cylinder 2 align with the side skirt plate. After connecting plate 1 rotates to a certain position, cylinder 3 pushes the support arm to rotate, so that the clamping arm 1 at the end of the support arm cooperates with push plate 1 on cylinder 2 to fix the side skirt plate;

[0014] 2. The clamping assembly B1 pushes the connecting plate 3 through the cylinder 5, so that the clamping arm 3 on the connecting plate and the clamping arm 3 on the fixing seat 3 cooperate to fix the side plate vertically, thereby improving the overall structural reliability at point b of the side plate;

[0015] 3. The automobile side panel is clamped by a multi-station clamping mechanism. By using multiple clamping points, the fixing force on the workpiece can be evenly distributed, and the deformation and displacement of the workpiece can be reduced, thereby improving the processing accuracy and consistency and providing a more stable and safe processing environment. Through reliable clamping points and fixing forces, the vibration and movement of the workpiece during processing can be reduced, and the risk of accidents can be reduced. The distributed clamping mechanisms in area A, area B, area C and area D can flexibly adapt to automobile side panel workpieces of different sizes, shapes and types. By adjusting the design and position of the fixture, the processing needs of different products can be met, and the flexibility and diversity of production can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the overall structure of a welding positioning fixture for an automobile side panel.

[0017] Figure 2 It is a schematic diagram of the other side of the automobile side panel welding positioning fixture.

[0018] Figure 3 yes Figure 2 Enlarged view of part A in the middle.

[0019] Figure 4 It is a schematic diagram of different sides of a welding positioning fixture for an automobile side panel.

[0020] Description of reference numerals: 1. base; 2. A1 clamping assembly; 21. fixed seat 1; 22. connecting plate 1; 23. cylinder 1; 24. cylinder 2; 25. cylinder 3; 26. clamping arm 1; 27. support arm; 3. A2 clamping assembly; 31. cylinder 4; 32. fixed seat 2; 33. connecting plate 2; 34. clamping arm 2; 4. A3 clamping assembly; 5. A4 clamping assembly; 6. B1 clamping assembly; 61. fixed seat 3; 62. Cylinder five; 63. Cylinder six; 64. Connecting plate three; 65. Clamping arm three; 7. B2 clamping assembly; 8. B3 clamping assembly; 9. C1 clamping assembly; 10. C2 clamping assembly; 11. C3 clamping assembly; 12. D1 clamping assembly; 121. Fixed seat four; 122. Cylinder seven; 123. Connecting plate four; 124. Clamping arm four; 13. D2 clamping assembly; 14. D3 clamping assembly; 15. Side plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, “several” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] The embodiment of the present invention discloses a welding positioning fixture for an automobile side panel. Figure 1-4 A welding positioning fixture for an automobile side panel includes a base 1, on which a clamping mechanism in area A, a clamping mechanism in area B, a clamping mechanism in area C and a clamping mechanism in area D are arranged, which correspond to points a, b, c and d on a fixed side panel 15 respectively. The clamping mechanism in area A is a horizontal clamping mechanism. The clamping mechanism in area A includes a clamping assembly A1, a clamping assembly A2, a clamping assembly A3 and a clamping assembly A4. The clamping assembly A1 includes a fixing seat 1 21, a connecting plate 1 22, a cylinder 1 23, a cylinder 24 and a cylinder 3 25. The fixing seat 1 21 is arranged on the base 1, the connecting plate 1 22 is hinged to the fixing seat 1 21, the output end of the cylinder 1 23 is hinged to the connecting plate 1 22, and the cylinder 24 is fixed on the connecting plate 1 2 2, a push plate 1 is arranged on the output end of the cylinder 24, a clamping arm 1 26 is arranged on the push plate 1, a cylinder 3 25 is fixed on the connecting plate 1 22, a support arm 27 is hinged on the output end of the cylinder 3 25, the waist of the support arm 27 is hinged with the connecting plate 1 22 through a connecting rod, a clamping arm 1 26 is arranged on the end of the support arm 27, the cylinder 1 23 drives the connecting plate 1 22 to rotate, controls the position of the cylinder 24 on the connecting plate 1 22, makes the push plate 1 on the cylinder 24 align with the side skirt plate, after the connecting plate 1 22 rotates to a certain position, the cylinder 3 25 pushes the support arm 27 to rotate, makes the clamping arm 1 26 at the end of the support arm 27 cooperate with the push plate 1 on the cylinder 2 24, so as to fix the opposite side skirt plate.

[0025] The clamping assemblies A2, A3, and A4 all include a cylinder four 31, a fixed seat two 32, and a connecting plate two 33. The cylinder four 31 is arranged on the fixed seat two 32, and the output end of the cylinder four 31 is hinged to the connecting plate two 33. The connecting plate two 33 is hinged to the fixed seat two 32. A clamping arm two 34 is arranged on the fixed seat two 32, and the end of the connecting plate two 33 is correspondingly provided with a clamping arm two 34. The only difference between A2, A3, and A4 is that the fixed seat two 32 and the connecting plate two 33 are different in size. The clamping assemblies A2, A3, and A4 mainly perform distributed clamping in the a point area of ​​the side panel 15 to ensure that the a point of the side panel 15 is firm and reliable. By fixing other different points of the side panel 15 through different clamping mechanisms, the overall fixation of the side panel 15 is achieved.

[0026] The clamping mechanism in zone B includes a clamping assembly B1, a clamping assembly B2 and a clamping assembly B3. The structures of the clamping assemblies B2 and B3 are similar to those of the clamping assembly A2, and the only difference is the position and size. The clamping assembly B1 includes a fixing seat 3 61, a cylinder 5 62, a cylinder 6 63, and a connecting plate 3 64. The fixing seat is laterally provided with a clamping arm 3 65. The cylinder 5 62 and the cylinder 6 63 are both laterally provided on the fixing seat 3 61. The output end of the cylinder 6 63 is pressed against the outer side of the side plate 15 through a push plate. The output end of the cylinder 5 62 is connected to the connecting plate 3 64. 4 is hinged, the waist of the connecting plate 3 64 is hinged on the fixing seat 3 61 through a connecting rod, and the end portion of the connecting plate 3 64 is forked with two groups of clamping arms 3 65, and the clamping arms 3 65 on the connecting plate 3 64 correspond to the clamping arms 3 65 on the fixing seat 3 61. Through this design, the clamping assembly B1 pushes the connecting plate 3 64 through the cylinder 5 62, so that the clamping arms 3 65 on the connecting plate and the clamping arms 3 65 on the fixing seat 3 61 cooperate to form a vertical fixation of the side plate 15, thereby improving the overall structural reliability at the point b of the side plate 15.

[0027] The clamping mechanism in zone C includes clamping assembly C1, clamping assembly C2 and clamping assembly C3. Clamping assembly C1 and C3 have the same structure as clamping assembly A2, and the only difference is the position and size. Clamping assembly C2 has the same structure as clamping assembly B1, and the only difference is the position and size.

[0028] The clamping mechanism in zone D includes a clamping assembly D1, a clamping assembly D2, and a clamping assembly D3. The clamping assembly D1 includes a fixed seat 4 121, a cylinder 7 122, and a connecting plate 4 123. The cylinder is obliquely arranged on the fixed seat 4 121, and the output end of the cylinder 7 122 is hinged to the connecting plate 4 123. The waist of the connecting plate 4 123 is hinged to the fixed seat 4 121 through a connecting rod. An obliquely arranged clamping arm 4 124 is arranged on the fixed seat 4 121, and an obliquely arranged clamping arm 4 124 is arranged at the end of the connecting plate 4 123. The structures of the clamping assemblies D2 and D3 are similar to those of the clamping assembly A2, and the only difference is the size and position. Through this design, the clamping assembly D1 is set to oblique clamping, which is used to clamp the sheet metal on the inclined surface of the side panel 15, so as to obtain a better fixing effect at the side panel 15d point, improve the stress distribution of the clamping of the side panel 15, and ensure that the automobile side panel 15 workpiece maintains a stable position and posture during the processing.

[0029] In the above scheme, four-station clamping mechanisms are distributed on the base 1, and the automobile side panel 15 is clamped by a multi-station clamping mechanism. By using multiple clamping points, the fixing force on the workpiece can be evenly distributed, and the deformation and displacement of the workpiece can be reduced, thereby improving the processing accuracy and consistency, and providing a more stable and safe processing environment. Through reliable clamping points and fixing forces, the vibration and movement of the workpiece during the processing process can be reduced, and the risk of accidents can be reduced. The distributed clamping mechanisms in area A, area B, area C and area D can flexibly adapt to automobile side panel 15 workpieces of different sizes, shapes and types. By adjusting the design and position of the fixture, the processing requirements of different products can be met, and the flexibility and diversity of production can be improved.

[0030] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding positioning fixture for automobile side panels, characterized in that: The invention comprises a base (1), wherein the base (1) is provided with an A-zone clamping mechanism, a B-zone clamping mechanism, a C-zone clamping mechanism and a D-zone clamping mechanism, which respectively correspond to and fix points a, b, c and d on the side plate (15), wherein the A-zone clamping mechanism is a transverse clamping mechanism, wherein the A-zone clamping mechanism comprises a clamping assembly A1, a clamping assembly A2, a clamping assembly A3 and a clamping assembly A4, wherein the clamping assembly A1 comprises a fixing seat 1 (21), a connecting plate 1 (22), a cylinder 1 (23), a cylinder 2 (24) and a cylinder 3 (25), wherein the fixing seat 1 (21) is provided on the base (1), the connecting plate 1 (22) is hingedly connected to the fixing seat 1 (21), and the cylinder 1 (23) is hingedly connected to the fixing seat 1 (21). The output end of the cylinder is hinged to the connecting plate 1 (22), the cylinder 2 (24) is fixed on the connecting plate 1 (22), the output end of the cylinder 2 (24) is provided with a push plate 1, and the push plate 1 is provided with a clamping arm 1 (26), the cylinder 3 (25) is fixed on the connecting plate 1 (22), the output end of the cylinder 3 (25) is hinged to a support arm (27), the waist of the support arm (27) is hinged to the connecting plate 1 (22) through a connecting rod, and the end of the support arm (27) is provided with a clamping arm 1 (26), the clamping arm 1 (26) on the push plate 1 and the clamping arm 1 (26) on the support arm (27) cooperate to fix the side skirt plate of the A area of ​​the opposite side plate (15).

2. The automobile side panel welding positioning fixture according to claim 1, characterized in that: The clamping assemblies A2, A3, and A4 all include a cylinder four (31), a fixed seat two (32), and a connecting plate two (33). The cylinder four (31) is arranged on the fixed seat two (32). The output end of the cylinder four (31) is hinged to the connecting plate two (33). The connecting plate two (33) is hinged to the fixed seat two (32). A clamping arm two (34) is arranged on the fixed seat two (32). The end of the connecting plate two (33) is correspondingly provided with a clamping arm two (34). The difference between A2, A3, and A4 is only that the sizes of the fixed seat two (32) and the connecting plate two (33) are different.

3. The automobile side panel welding positioning fixture according to claim 2, characterized in that: The clamping mechanism of zone B includes a clamping assembly B1, a clamping assembly B2 and a clamping assembly B3. The structures of the clamping assemblies B2 and B3 are similar to those of A2, and the only difference is the position and size. The clamping assembly B1 includes a fixing seat three (61), a cylinder five (62), a cylinder six (63), and a connecting plate three (64). The fixing seat is laterally provided with a clamping arm three (65). The cylinder five (62) and the cylinder six (63) are both laterally provided on the fixing seat three (61). The output end of the cylinder six (63) is pressed against the outer side of the side plate (15) through a push plate, and the output end of the cylinder five (62) is hinged to the connecting plate three (64). The waist of the connecting plate three (64) is hinged to the fixing seat three (61) through a connecting rod. The end portion of the connecting plate three (64) is forked with two groups of clamping arms three (65), and the clamping arms three (65) on the connecting plate three (64) correspond to the clamping arms three (65) on the fixing seat three (61).

4. The automobile side panel welding positioning fixture according to claim 3 is characterized in that: The clamping mechanism in zone C includes clamping assembly C1, clamping assembly C2, and clamping assembly C3. The clamping assemblies C1 and C3 have the same structure as the clamping assembly A2, and the only difference is the position and size. The clamping assembly C2 has the same structure as the clamping assembly B1, and the only difference is the position and size.

5. The automobile side panel welding positioning fixture according to claim 4, characterized in that: The D zone clamping mechanism includes a clamping assembly D1, a clamping assembly D2, and a clamping assembly D3. The clamping assembly D1 includes a fixing seat four (121), a cylinder seven (122), and a connecting plate four (123). The cylinder is obliquely arranged on the fixing seat four (121). The output end of the cylinder seven (122) is hinged to the connecting plate four (123). The waist of the connecting plate four (123) is hinged to the fixing seat four (121) through a connecting rod. An obliquely arranged clamping arm four (124) is arranged on the fixing seat four (121), and an obliquely arranged clamping arm four (124) is arranged at the end of the connecting plate four (123).

6. The automobile side panel welding positioning fixture according to claim 5, characterized in that: The structures of the clamping components D2 and D3 are similar to those of the clamping component A2, and the only difference is the size and position.

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