Manipulator frame welding tool

Abstract

The utility model discloses a mechanical arm welding frame tool which comprises a first clamping unit used for clamping an upper frame pipe, a second clamping unit used for clamping a lower frame pipe, a third clamping unit used for clamping a rear frame pipe and a mounting plate. The first clamping unit, the second clamping unit and the third clamping unit are all mounted on the mounting plate, the mounting plate is provided with a first supporting unit corresponding to the tail end of the frame lower pipe, the first supporting unit comprises at least one supporting arm, and the supporting arms extend into the frame lower pipe and abut against the inner wall of the frame lower pipe to provide supporting. The frame lower pipe is supported by arranging the first supporting unit, then deformation generated by welding is effectively reduced, the follow-up assembly precision is guaranteed, meanwhile, interference caused by mechanical arm machining can be reduced through an internal supporting mode, and then welding machining of a mechanical arm is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frame tooling, in particular to a robot welding vehicle frame tooling. Background Art

[0002] Refer to the attached Figure 1 The existing bicycle frame generally includes an upper frame tube 1, a lower frame tube 2 and a rear frame tube 3, wherein the lower frame tube 2 is arranged obliquely, and the upper frame tube 1 and the rear frame tube 3 are welded at both ends respectively. At the same time, the upper frame tube 1 and the rear frame tube 3 are welded to each other at one end away from the lower frame tube, thereby completing the preliminary processing of the frame. At the same time, in order to assemble with other subsequent components, an opening is generally formed at the end of the lower frame tube 2. Since the frame is thin as a whole and the structure at the opening is often not stable enough, the opening position is prone to deformation during the welding process, which in turn causes poor subsequent assembly accuracy or even assembly failure, so it needs to be improved. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a robot welding frame tooling, which can effectively reduce the deformation caused by welding the end of the frame lower tube, thereby improving the overall processing accuracy.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A robot welding frame tooling includes a first clamping unit, wherein the first clamping unit is used to clamp an upper tube of a frame;

[0006] A second clamping unit, the second clamping unit is used to clamp the down tube of the frame;

[0007] A third clamping unit, the third clamping unit is used to clamp the rear tube of the frame;

[0008] The first clamping unit, the second clamping unit and the third clamping unit are all installed on the mounting plate. The mounting plate is provided with a first supporting unit corresponding to the end of the frame lower tube. The first supporting unit includes at least one supporting arm. The supporting arm extends into the frame lower tube and contacts the inner wall of the frame lower tube to provide support.

[0009] As a further improvement of the utility model, the first support unit also includes a column and an external swivel, the external swivel and the column are detachable, the external swivel is provided with a rotation hole and is rotatably connected to the column, and one end of the support arm is connected to the external swivel.

[0010] As a further improvement of the utility model, a positioning hole is provided on the lower tube of the frame, and a positioning column is provided in the support arm corresponding to the positioning hole. The positioning column is used to insert into the positioning hole to fix the support arm and the lower tube of the frame to each other.

[0011] As a further improvement of the utility model, a groove is provided on the support arm, and the groove is used to clamp the corresponding support rib of the lower tube of the frame.

[0012] As a further improvement of the present invention, the number of the support arms is 2.

[0013] As a further improvement of the present invention, the mounting plate is provided with a second support unit corresponding to the front end of the frame down tube, and the second support unit includes a support tube, which is used to be inserted into the front end of the frame down tube and provide support.

[0014] As a further improvement of the present invention, the first clamping unit, the second clamping unit and the third clamping unit all include a mounting seat, a slot is formed on the mounting seat and the frame is clamped through the slot.

[0015] As a further improvement of the present utility model, the mounting seat includes a base and a displacement seat, a first slide groove is provided on the mounting plate, the base is connected to the first slide groove and slides along the length direction of the first slide groove, a second slide groove is provided on the displacement seat, and the displacement seat is connected to the base through the second slide groove so that the displacement seat can move relative to the base along the length direction of the second slide groove, the first slide groove and the second slide groove are perpendicular to each other, and the card groove is arranged on a side of the displacement seat away from the base.

[0016] As a further improvement of the present invention, the first clamping unit, the second clamping unit and the third clamping unit all include a locking unit, and the locking unit is used to press the frame to keep the frame locked with the slot.

[0017] As a further improvement of the present invention, the locking unit includes a driving motor and a swing block, the driving motor is provided with a connecting seat, one end of the swing block forms a rotating end, and the other end is used to press the frame, the rotating end is rotatably connected to the connecting seat, the rotating end is provided with matching teeth arranged along the swinging direction, the output end of the driving motor is provided with a rack, the rack and the matching teeth are meshed with each other, and the driving motor drives the rack to move to drive the swing block to swing.

[0018] The beneficial effects of the utility model are as follows: by providing a first support unit to support the lower tube of the frame, deformation caused by welding can be effectively reduced, thereby ensuring subsequent assembly accuracy; at the same time, the internal support method can reduce interference with robot processing, thereby facilitating robot welding processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a vehicle frame in the prior art;

[0020] Figure 2 This is a schematic diagram of the overall installation of the frame of the utility model;

[0021] Figure 3 This is a schematic diagram of the overall installation of the mounting plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the column of the utility model;

[0023] Figure 5 This is a schematic diagram of the installation of the outer rotating body of the utility model;

[0024] Figure 6 This is a schematic diagram of the installation of the support arm and support ribs of the utility model;

[0025] Figure 7 This is a schematic diagram of the locking unit of the utility model;

[0026] Figure 8 This is a schematic diagram of the connection between the matching teeth and the rack of the utility model.

[0027] 1. The upper tube of the frame; 2. The lower tube of the frame; 3. The rear tube of the frame; 4. The opening; 5. The first clamping unit; 6. The second clamping unit; 7. The third clamping unit; 8. The mounting plate; 9. The first supporting unit; 10. The supporting arm; 11. The turntable; 12. The main motor; 13. The column; 14. The outer rotating body; 15. The positioning hole; 16. The positioning column; 17. The supporting rib; 18. The groove; 19. The second supporting unit; 20. The supporting tube; 21. The mounting seat; 22. The slot; 23. The base; 24. The displacement seat; 25. The first slide slot; 26. The second slide slot; 27. The locking unit; 28. The driving motor; 29. ​​The swing block; 30. The connecting seat; 31. The rotating end; 32. The mating tooth; 33. The rack. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments, wherein the same components are indicated by the same reference numerals.

[0029] like Figure 1-8 As shown, a robot welding frame tool includes a first clamping unit 5, and the first clamping unit 5 is used to clamp the upper tube 1 of the frame.

[0030] The vehicle frame further comprises a second clamping unit 6 and a third clamping unit 7, wherein the second clamping unit 6 and the third clamping unit 7 are used to clamp the frame down tube 2 and the frame rear tube 3 respectively.

[0031] The vehicle frame further includes a mounting plate 8, on which the first clamping unit 5, the second clamping unit 6 and the third clamping unit 7 are all mounted. The mounting plate 8 is provided with a first supporting unit 9 at the end of the frame down tube 2 corresponding to the end of the frame down tube 2, and the end is specifically the end of the frame down tube 2 close to the frame rear tube 3. The first supporting unit 9 includes at least one supporting arm 10, which extends into the frame down tube 2 and contacts the inner wall of the frame down tube 2 to provide support.

[0032] When in use, the frame upper tube 1, the frame lower tube 2 and the frame rear tube 3 are clamped respectively by the first clamping unit 5, the second clamping unit 6 and the third clamping unit 7, and the support arm 10 is moved into the end of the frame lower tube 2 so that the support arm 10 can contact the inner wall of the frame lower tube 2, and then during the welding process, the support arm 10 can effectively reduce the deformation of the frame lower tube 2, thereby ensuring the subsequent assembly accuracy.

[0033] Preferably, a turntable 11 and a main motor 12 are also included, the output end of the main motor 12 is connected to the turntable 11, and the mounting plate 8 is connected to the turntable 11 and rotates circumferentially along the axis of the turntable 11 to facilitate subsequent robot welding.

[0034] Preferably, the first support unit 9 also includes a column 13 and an external swivel 14. The external swivel 14 is detachable from the column 13. A rotating hole is provided on the external swivel 14 and is rotatably connected to the column 13. One end of the support arm 10 is connected to the external swivel 14. The support arm 10 can be adjusted to support different positions through the rotation of the external swivel 14, thereby improving the adaptability to different types of vehicle frames. At the same time, the detachable external swivel 14 can select a suitable support arm 10 according to different frame welding requirements to achieve different support effects. Specifically, support arms 10 of different sizes can be selected for different frames.

[0035] Preferably, a positioning hole 15 is provided on the frame down tube 2. Specifically, positioning holes 15 are provided on both sides of the frame down tube 2. The support arm 10 is provided with a positioning column 16 corresponding to the positioning hole 15. The positioning column 16 is used to plug into the positioning hole 15 to fix the support arm 10 and the frame down tube 2 to each other. Inserting the positioning hole 15 through the positioning column 16 can ensure that the position of the positioning hole 15 is fixed before and after welding, so as to avoid the position displacement of the positioning hole 15 caused by the deformation of the frame down tube 2, and then the positioning hole 15 can be used as an assembly hole in the subsequent splicing to ensure the installation accuracy of the hole position.

[0036] In this embodiment, a support rib 17 is provided at the end of the frame down tube 2 to improve the strength of the end of the frame down tube 2. Furthermore, in order to strengthen the fixation between the support arm 10 and the frame down tube 2, a groove 18 is provided on the support arm 10, and the groove 18 is used to clamp the frame down tube 2 to the corresponding support rib 17.

[0037] Preferably, in the present embodiment, the number of the support arms 10 is two, and both support arms 10 are fixedly connected to the outer rotating body 14 .

[0038] Preferably, the mounting plate 8 is provided with a second support unit 19 corresponding to the front end of the frame down tube 2. The second support unit 19 includes a support tube 20. The support tube 20 is used to be inserted into the front end of the frame down tube 2 and provide support. The front end is specifically the end of the frame down tube 2 close to the upper end of the frame. The provision of the second support unit 19 can further reduce the overall deformation of the frame down tube 2 to improve the subsequent assembly accuracy.

[0039] Preferably, the first clamping unit 5, the second clamping unit 6 and the third clamping unit 7 all include a mounting seat 21, a slot 22 is formed on the mounting seat 21 and the frame is clamped through the slot 22, and the frame can be initially fixed by clamping through the slot 22.

[0040] Preferably, the mounting seat 21 includes a base 23 and a displacement seat 24, a first slide groove 25 is provided on the mounting plate 8, the base 23 is connected to the first slide groove 25 and slides along the length direction of the first slide groove 25, and a second slide groove 26 is provided on the displacement seat 24, and the displacement seat 24 is connected to the base 23 through the second slide groove 26, so that the displacement seat 24 can move relative to the base 23 along the length direction of the second slide groove 26. Specifically, the connection between the base 23 and the first slide groove 25 and the connection between the displacement seat 24 and the second slide groove 26 can be completed by bolts, the first slide groove 25 and the second slide groove 26 are perpendicular to each other, and the slot 22 is arranged on a side of the displacement seat 24 away from the base 23, and then the positions of the base 23 and the displacement seat 24 can be adjusted respectively through the first slide groove 25 and the second slide groove 26, so that the frame at different positions can be clamped, so that the frame with different signals can be adapted for use.

[0041] Preferably, the first clamping unit 5 , the second clamping unit 6 and the third clamping unit 7 all include a locking unit 27 , and the locking unit 27 is used to press the frame to keep the frame locked with the slot 22 , and then cooperate with the rotation of the turntable 11 to realize automatic welding.

[0042] Preferably, the locking unit 27 includes a driving motor 28 and a swing block 29. A connecting seat 30 is provided on the driving motor 28. A rotating end 31 is formed at one end of the swing block 29, and the other end is used to press the frame. The rotating end 31 is rotatably connected to the connecting seat 30. The rotating end 31 is provided with matching teeth 32 arranged along the swinging direction. A rack 33 is provided at the output end of the driving motor 28. The rack 33 and the matching teeth 32 are meshed with each other. The driving motor 28 drives the rack 33 to move to drive the swing block 29 to swing.

[0043] When in use, the driving motor 28 is extended to drive the rack 33 to move, and then the swing block 29 is driven to swing toward the frame through the matching tooth 32, so that one end of the swing block 29 presses the frame to lock the frame.

[0044] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A robot welding frame tool, characterized by: It comprises a first clamping unit (5), wherein the first clamping unit (5) is used to clamp the upper tube (1) of the frame; A second clamping unit (6), the second clamping unit (6) being used for clamping the down tube (2) of the frame; A third clamping unit (7), the third clamping unit (7) being used for clamping the rear tube (3) of the frame; A mounting plate (8), wherein the first clamping unit (5), the second clamping unit (6) and the third clamping unit (7) are all mounted on the mounting plate (8), wherein the mounting plate (8) is provided with a first supporting unit (9) at the end of the frame down tube (2), and wherein the first supporting unit (9) comprises at least one supporting arm (10), wherein the supporting arm (10) extends into the frame down tube (2) and contacts the inner wall of the frame down tube (2) to provide support.

2. The robot welding frame tooling according to claim 1 is characterized in that: The first support unit (9) further comprises a column (13) and an external rotating body (14); the external rotating body (14) and the column (13) are detachable; a rotating hole is provided on the external rotating body (14) and the external rotating body (14) is rotatably connected to the column (13); one end of the support arm (10) is connected to the external rotating body (14).

3. The robot welding frame tooling according to claim 2 is characterized in that: A positioning hole (15) is provided on the frame lower tube (2), and a positioning column (16) is provided on the support arm (10) corresponding to the positioning hole (15). The positioning column (16) is used to insert into the positioning hole (15) so that the support arm (10) and the frame lower tube (2) are fixed to each other.

4. The robot welding frame tooling according to claim 1 is characterized in that: The support arm (10) is provided with a groove (18), and the groove (18) is used to clamp the lower tube (2) of the frame to the corresponding support rib (17).

5. The robot welding frame tooling according to claim 1 is characterized in that: The number of the support arms (10) is 2.

6. The robot welding frame tooling according to claim 1 is characterized by: The mounting plate (8) is provided with a second support unit (19) corresponding to the front end of the frame down tube (2); the second support unit (19) comprises a support tube (20); the support tube (20) is used to be inserted into the front end of the frame down tube (2) and provide support.

7. The robot welding frame tooling according to claim 1 is characterized by: The first clamping unit (5), the second clamping unit (6) and the third clamping unit (7) all comprise a mounting seat (21), a clamping slot (22) being formed on the mounting seat (21) and being clamped to the vehicle frame via the clamping slot (22).

8. The robot welding frame tooling according to claim 7 is characterized in that: The mounting seat (21) comprises a base (23) and a displacement seat (24); a first slide groove (25) is provided on the mounting plate (8); the base (23) is connected to the first slide groove (25) and slides along the length direction of the first slide groove (25); a second slide groove (26) is provided on the displacement seat (24); the displacement seat (24) is connected to the base (23) through the second slide groove (26) so that the displacement seat (24) can move relative to the base (23) along the length direction of the second slide groove (26); the first slide groove (25) and the second slide groove (26) are perpendicular to each other; and the clamping groove (22) is arranged on a side of the displacement seat (24) away from the base (23).

9. The robot welding frame tooling according to claim 7, characterized in that: The first clamping unit (5), the second clamping unit (6) and the third clamping unit (7) all include a locking unit (27), and the locking unit (27) is used to press the frame to keep the frame locked with the card slot (22).

10. The robot welding frame tooling according to claim 9, characterized in that: The locking unit (27) comprises a driving motor (28) and a swing block (29); a connecting seat (30) is provided on the driving motor (28); one end of the swing block (29) forms a rotating end (31), and the other end is used to press the vehicle frame; the rotating end (31) is rotatably connected to the connecting seat (30); the rotating end (31) is provided with matching teeth (32) arranged along the swinging direction; a rack (33) is provided at the output end of the driving motor (28); the rack (33) and the matching teeth (32) are meshed with each other; the driving motor (28) drives the rack (33) to move, thereby driving the swing block (29) to swing.

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