Clamping tool for welding excavator part support
By designing clamping tooling for welding excavator parts brackets, the problem of difficulty in fixing the clamping blocks, bent rings and bent plates during welding is solved, and the accuracy and efficiency of welding are improved and the quality of welds are improved.
Patent Information
- Application Number
- CN202420370594.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-02-27
AI Technical Summary
During the welding process of excavator parts brackets, it is difficult to fix the positions of the clamps, bent rings and bent plates at the same time, resulting in inaccurate welding, poor quality of welds, and low production efficiency.
A clamping tool for welding excavator parts brackets is designed, including a base, a fixing device and a clamping device. The fixing device fixes the frame, the card block and the curved ring through the bottom positioning column, the first fixing unit, the second fixing unit and the third fixing unit respectively; the clamping device fixes the frame and the bending plate through the first and second clamping units.
Through this clamping tooling, the operator can maintain the stable position of each part during the welding process, improve the accuracy and efficiency of welding, enhance the quality of the weld, and reduce production time.
Smart Images
Figure CN222608493U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of sheet metal processing, and in particular to a clamping tool for welding an excavator part bracket. Background Art
[0002] Excavator parts bracket is a kind of structure widely used in various fields to support and position parts and bear pressure, usually made of sheet metal. In the manufacturing process of excavator parts bracket, various parts need to be welded into a whole.
[0003] Reference Figure 1 and Figure 2 The excavator parts bracket includes a frame 1, the frame 1 has an inner concave surface 2 and an outer peripheral surface 3, a bottom positioning hole 4 is opened at the bottom of the frame 1, and the frame 1 also has a side cross plate 5 located at the end of the frame 1, and the side cross plate 5 has two side positioning holes 6. The excavator parts bracket also includes a clamping block 7, two curved rings 8 and a bent plate 9, the bent plate 9 has a first end 10 and a second end 11, a thread groove 12 is opened on the clamping block 7, and a center positioning hole 13 is opened on the bent plate 9. The operator needs to manually weld the two curved rings 8 and the clamping block 7 to the inner concave surface 2 of the frame 1, and then flip the frame 1 to manually weld the first end 10 of the bent plate 9 to the outer peripheral surface 3 of the frame 1, so that the finished bracket is a whole after welding.
[0004] During the welding process, it is difficult to simultaneously fix the positions of the clamping block, the curved ring and the bent plate of the above-mentioned bracket and weld them as a whole, which makes it difficult to accurately locate the relative positions of the clamping block, the curved ring, the bent plate and the frame. The weld position is prone to deviation, resulting in uneven weld quality, which is time-consuming and labor-intensive and leads to low production efficiency. Summary of the invention
[0005] In order to help solve the problem that it is difficult to simultaneously fix the frame, the block, the two curved rings and the bent plate in the existing welding process, the present application provides a clamping tool for welding an excavator part bracket, adopting the following technical solution: it includes a base, the base is provided with a fixing device, the fixing device includes a first fixing unit for fixing the frame, a second fixing unit for fixing the block and a third fixing unit for fixing the two curved rings, the first fixing unit includes a bottom positioning column arranged on the base and matching the bottom positioning hole, the outer peripheral surface of the frame is mounted on the base and the bottom positioning column passes through the bottom positioning hole, and the base is also provided with a clamping device, the clamping device includes a first clamping unit for fixing the frame and a second clamping unit for fixing the bent plate; when the first end of the bent plate needs to be welded to the outer peripheral surface of the frame, the first clamping unit is used to fix the frame.
[0006] Through the above technical scheme, when it is necessary to weld the card block on the inner concave surface of the frame, the operator sets the outer peripheral surface of the frame on the base, passes the bottom positioning column through the bottom positioning hole of the frame to realize the positioning of the frame, fits the card block on the inner concave surface of the frame, and uses the second fixing unit to press the card block against the frame for fixation, and then the operator uses the welding equipment to weld the end surface of the card block in contact with the frame; when it is necessary to weld two curved rings on the inner concave surface of the frame, the operator places the two curved rings on the inner concave surface of the frame respectively, and uses the third fixing unit to press the two curved rings against the inner concave surface of the frame respectively for fixation, and then the operator uses the welding equipment to weld the two curved rings in contact with the inner concave surface of the frame; when it is necessary to weld the first end of the bent plate to the outer peripheral surface of the frame, the frame is fixed by the first clamping unit, and the bent plate is fixed by the second clamping unit, and then the operator uses the welding equipment to weld the first end of the bent plate at the end surface in contact with the frame. The frame, the clamping block and the two curved rings are fixed respectively by a fixing device, and the frame and the bent plate are fixed respectively by a clamping device, which makes it convenient for operators to perform welding operations and is not prone to shaking during the welding process, thereby improving the weld quality and production efficiency.
[0007] In a specific feasible implementation scheme, the second fixing unit includes a mounting seat arranged on the base, a fixing frame is hinged on the mounting seat, the second fixing unit also includes a first positioning column matching the thread groove of the clamping block, the first positioning column is threadedly connected in the thread groove at one end facing the clamping block, a first clamping seat is provided on the base, a first quick clamp is provided on the first clamping seat, the fixing frame is pressed between the clamping end of the first quick clamp and the clamping block, a first limiting groove matching the first positioning column is opened on the fixing frame, and the outer edge of the first positioning column is pressed against the groove wall of the first limiting groove.
[0008] Through the above technical solution, when the block needs to be welded to the inner concave surface of the frame, the operator threads the first positioning column into the thread groove of the block, fits the block to the inner concave surface of the frame, rotates the fixing frame to make the groove wall of the first limiting groove on the fixing frame contact with the outer edge of the first positioning column, and then uses the first quick clamp to press the fixing frame between the clamp end of the first quick clamp and the block, thereby fixing the block. Then the operator uses the welding equipment to weld the end face of the block in contact with the frame, and uses the second fixing unit to control the block individually, which reduces the possibility of shaking of the block and improves the stability of the welding operation.
[0009] In a specific feasible implementation scheme, the third fixing unit includes a positioning seat bolted to the base, the frame passes through the positioning seat, and the positioning seat is provided with second limiting grooves matching the two curved rings respectively on the surface facing the base, the two curved rings are located between the inner concave surface of the frame and the positioning seat, and the two curved rings are respectively pressed against the two second limiting grooves.
[0010] Through the above technical solution, when it is necessary to weld two curved rings on the inner concave surface of the frame, the operator respectively sets up the two curved rings on the inner concave surface of the frame, installs the positioning seat on the base, and makes the two curved rings respectively located in the two second limit grooves of the positioning seat, thereby realizing the positioning and fixation of the two curved rings, reducing the possibility of displacement of the curved rings, and improving the weld quality and welding efficiency.
[0011] In a specific possible implementation manner, the third fixing unit further includes a reinforcement frame arranged on the base, and the positioning seat is arranged on the reinforcement frame.
[0012] Through the above technical solution, the reinforcement frame supports the positioning seat, improves the stability of the positioning seat installation, reduces the possibility of the positioning seat shaking during welding operation and causing the curved ring to shift, and improves the weld quality and welding efficiency.
[0013] In a specific possible implementation manner, the first fixing unit further comprises a second clamp seat arranged on the base, the second clamp seat is provided with a second quick clamp, and the frame is pressed tightly between the clamp end of the second quick clamp and the base.
[0014] Through the above technical solution, the frame is pressed tightly between the clamp end of the quick clamp and the base by the second quick clamp, thereby reducing the possibility of frame shaking, achieving independent fixing of the frame while improving the stability of the frame.
[0015] In a specific feasible implementation scheme, the first clamping unit includes a support seat arranged on the base, the inner concave surface of the frame is mounted on the support seat, the base is provided with a first push-pull clamp, the clamp end of the first push-pull clamp is threadedly connected with a push-pull bolt, the outer edge of the push-pull bolt is provided with a push plate, the push plate is provided with a second positioning column matching the side positioning hole on the surface facing the frame, the support seat is provided with a limiting hole matching the second positioning column, the second positioning column is sequentially passed through the side positioning hole and the limiting hole of the frame, and the side cross plate of the frame is pressed tightly between the push plate and the support seat.
[0016] Through the above technical solution, when it is necessary to weld the first end of the bent plate to the outer peripheral surface of the frame, the operator sets the inner concave surface of the frame on the support seat, starts the first push-pull clamp to drive the push-pull bolt to move, thereby driving the push plate to move, so that the second positioning column on the push plate passes through the side positioning hole of the frame and the limiting hole of the support seat in sequence, and at the same time, the side cross plate of the frame is pressed between the push plate and the support seat to achieve fixation and positioning of the frame, reduce the possibility of displacement of the frame, and improve the stability of the frame placement.
[0017] In a specific possible implementation manner, the first clamping unit further comprises a placement seat arranged on the base, and the inner concave surface of the frame is mounted on the placement seat.
[0018] Through the above technical solution, the placement seat supports the inner concave surface of the frame, reduces the possibility of shaking of the frame, and improves the stability of the frame placement.
[0019] In a specific possible implementation scheme, the second clamping unit includes a side support arranged on the base, a limit plate is provided on the side support, a third quick clamp is provided on the side support, the second end of the bending plate is pressed between the clamping end of the third quick clamp and the limit plate, and the first end of the bending plate is mounted on the outer peripheral surface of the frame.
[0020] Through the above technical solution, when it is necessary to weld the first end of the bending plate to the outer peripheral surface of the frame, the operator places the first end of the bending plate on the outer peripheral surface of the frame, contacts the second end of the bending plate with the end surface of the limiting plate, and uses the third quick clamp to press the second end of the bending plate between the clamping end of the third quick clamp and the limiting plate, thereby achieving individual fixation of the bending plate while reducing the possibility of shaking of the bending plate and improving the stability of the placement of the bending plate.
[0021] In a specific feasible implementation scheme, a second push-pull clamp is provided on the side support, and a third positioning column matching the central positioning hole of the bending plate is provided at the output end of the second push-pull clamp, and the third positioning column passes through the central positioning holes of the limiting plate and the bending plate in sequence.
[0022] Through the above technical solution, the second push-pull clamp is started to drive the third positioning column to move, so that the third positioning column passes through the center positioning holes of the limiting plate and the bending plate in sequence, thereby limiting the position of the bending plate, improving the accuracy of the placement of the bending plate, and improving the weld quality and welding efficiency.
[0023] In a specific possible implementation manner, two limiting blocks are provided on the surface of the limiting plate facing the frame, and the second end of the bending plate is located between the two limiting blocks and contacts the two limiting blocks.
[0024] Through the above technical solution, two limit blocks are used to limit the second section position of the bending plate, reducing the possibility of displacement of the second end of the bending plate, improving the stability of the placement of the second end of the bending plate, thereby improving the weld quality and welding efficiency.
[0025] In summary, the present application has the following beneficial technical effects: when it is necessary to weld the card block on the inner concave surface of the frame, the operator sets the outer peripheral surface of the frame on the base, passes the bottom positioning column through the bottom positioning hole of the frame to realize the positioning of the frame, fits the card block on the inner concave surface of the frame, and uses the second fixing unit to press the card block against the frame for fixation, and then the operator uses the welding equipment to weld the end surface of the card block in contact with the frame; when it is necessary to weld two curved rings on the inner concave surface of the frame, the operator places the two curved rings on the inner concave surface of the frame respectively, and uses the third fixing unit to press the two curved rings against the inner concave surface of the frame respectively for fixation, and then the operator uses the welding equipment to weld the two curved rings in contact with the inner concave surface of the frame; when it is necessary to weld the first end of the bent plate on the outer peripheral surface of the frame, the frame is fixed by the first clamping unit, and the bent plate is fixed by the second clamping unit, and then the operator uses the welding equipment to weld the first end of the bent plate at the end surface in contact with the frame. The frame, the clamping block and the two curved rings are fixed respectively by a fixing device, and the frame and the bent plate are fixed respectively by a clamping device, which makes it convenient for operators to perform welding operations and is not prone to shaking during the welding process, thereby improving the weld quality and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the finished product structure of an excavator parts bracket in the prior art.
[0027] Figure 2 It is a structural schematic diagram used to reflect the first end of the bent plate in the prior art.
[0028] Figure 3 It is a schematic diagram of the overall structure of an embodiment of the present application.
[0029] Figure 4 It is a schematic diagram of the structure of the limiting plate used to illustrate the embodiment of the present application.
[0030] Figure numerals: 1, frame; 2, inner concave surface; 3, outer peripheral surface; 4, bottom positioning hole; 5, side horizontal plate; 6, side positioning hole; 7, clamping block; 8, curved ring; 9, bending plate; 10, first end; 11, second end; 12, thread groove; 13, center positioning hole; 14, fixing device; 15, clamping device; 16, bottom positioning column; 17, mounting seat; 18, fixing frame; 19, first positioning column; 20, first clamp seat; 21, first quick clamp; 22, first limit 1. a first push-pull clamp; 2. a second push-pull clamp; 3. a second push-pull bolt; 4. a push plate; 5. a second second positioning column; 6. a second limiting hole; 7. a second positioning seat; 8. a second side support seat; 9. a third limiting plate; 10. a third second push-pull clamp; 11. a third third positioning column; 12. a third limit plate; 13. a third third limit plate; 14. a third third push-pull clamp; 15. a third limit plate; 16. a third third third limit plate; 17. a third third third third position column; 18. a third limit plate; 19. a third limit plate; 20. a third limit plate; 21. a third third third position column; 22. a third limit plate; 23. a third limit plate; 24. a third third DETAILED DESCRIPTION
[0031] The following is combined with Figure 3-4 This application is described in further detail.
[0032] The embodiment of the present application discloses a clamping tool for welding an excavator part bracket.
[0033] Reference Figure 3 A clamping tool for welding an excavator part bracket includes a base 41, a fixing device 14 is arranged on the base 41, the fixing device 14 includes a first fixing unit for fixing the frame 1, a second fixing unit for fixing the block 7 and a third fixing unit for fixing two curved rings 8, the first fixing unit includes a bottom positioning column 16 arranged on the base 41 and matching the size of the bottom positioning hole 4, the outer peripheral surface 3 of the frame 1 is mounted on the base 41 and the bottom positioning column 16 passes through the bottom positioning hole 4. In the embodiment of the present application, a plurality of round bars 42 can be welded on the base 41 according to actual conditions, and the outer peripheral surface 3 of the frame 1 can be mounted on the round bars 42 of the base 41, so as to facilitate the cleaning of welding slag.
[0034] Reference Figure 3 The first fixing unit also includes a second clamp seat 26 arranged on the base 41, and a second quick clamp 27 is installed on the second clamp seat 26. The frame 1 is pressed between the clamp end of the second quick clamp 27 and the base 41. Therefore, the frame 1 is pressed between the clamp end of the quick clamp and the base 41 by the second quick clamp 27, thereby reducing the possibility of shaking of the frame 1, achieving the independent fixation of the frame 1 while improving the stability of the frame 1.
[0035] Reference Figure 3The second fixing unit includes a mounting seat 17 arranged on the base 41, and a fixing frame 18 is hinged on the mounting seat 17. The second fixing unit also includes a first positioning column 19 matching the thread groove 12 of the block 7. The first positioning column 19 is threadedly connected to the thread groove 12 at one end facing the block 7. A first clamp seat 20 is arranged on the base 41, and a first quick clamp 21 is installed on the first clamp seat 20. The fixing frame 18 is pressed between the clamp end of the first quick clamp 21 and the block 7. A first limiting groove 22 matching the size of the first positioning column 19 is opened on the fixing frame 18, and the outer edge of the first positioning column 19 is pressed against the groove wall of the first limiting groove 22.
[0036] Therefore, when it is necessary to weld the block 7 to the inner concave surface 2 of the frame 1, the operator threads the first positioning column 19 into the thread groove 12 of the block 7, fits the block 7 to the inner concave surface 2 of the frame 1, rotates the fixing frame 18, so that the groove wall of the first limiting groove 22 on the fixing frame 18 contacts the outer edge of the first positioning column 19, and then uses the first quick clamp 21 to press the fixing frame 18 between the clamp end of the first quick clamp 21 and the block 7, thereby fixing the block 7. Then the operator uses the welding equipment to weld the end face where the block 7 contacts the frame 1, and uses the second fixing unit to control the block 7 separately, thereby reducing the possibility of shaking of the block 7 and improving the stability of the welding operation.
[0037] Reference Figure 3 The third fixing unit includes a positioning seat 23 bolted to the base 41, the frame 1 passes through the positioning seat 23, and the positioning seat 23 is provided with second limiting grooves 24 respectively matching the two curved rings 8 on the surface facing the base 41. The two curved rings 8 are located between the inner concave surface 2 of the frame 1 and the positioning seat 23, and the two curved rings 8 are respectively pressed against the two second limiting grooves 24. The third fixing unit also includes a reinforcement frame 25 plugged into the base 41, the positioning seat 23 is mounted on the reinforcement frame 25, and the reinforcement frame 25 supports the positioning seat 23, improves the stability of the installation of the positioning seat 23, reduces the possibility of the positioning seat 23 shaking during the welding operation, and improves the weld quality and welding efficiency.
[0038] Therefore, when it is necessary to weld the two curved rings 8 to the inner concave surface 2 of the frame 1, the operator respectively sets up the two curved rings 8 on the inner concave surface 2 of the frame 1, installs the positioning seat 23 on the base 41, and makes the two curved rings 8 respectively located in the two second limiting grooves 24 of the positioning seat 23, thereby realizing the positioning and fixation of the two curved rings 8, reducing the possibility of displacement of the curved rings 8, and improving the weld quality and welding efficiency.
[0039] Reference Figure 3 and Figure 4A clamping device 15 is also provided on the base 41, and the clamping device 15 includes a first clamping unit for fixing the frame 1 and a second clamping unit for fixing the bending plate 9; when the first end 10 of the bending plate 9 needs to be welded to the outer peripheral surface 3 of the frame 1, the first clamping unit is used to fix the frame 1.
[0040] Reference Figure 3 and Figure 4 The first clamping unit includes a support seat 28 arranged on a base 41, the inner concave surface 2 of the frame 1 is mounted on the support seat 28, a first push-pull clamp 29 is bolted to the base 41, a push-pull bolt 30 is threadedly connected to the clamp end of the first push-pull clamp 29, a push plate 31 is arranged on the outer edge of the push-pull bolt 30, a second positioning column 32 matching the side positioning hole 6 is fixedly connected to the surface of the push plate 31 facing the frame 1, a limiting hole 33 matching the size of the second positioning column 32 is opened on the support seat 28, the second positioning column 32 is sequentially passed through the side positioning hole 6 and the limiting hole 33 of the frame 1, and the side cross plate 5 of the frame 1 is pressed tightly between the push plate 31 and the support seat 28.
[0041] Therefore, when it is necessary to weld the first end 10 of the bent plate 9 to the outer peripheral surface 3 of the frame 1, the operator sets the inner concave surface 2 of the frame 1 on the support seat 28, starts the first push-pull clamp 29 to drive the push-pull bolt 30 to move, thereby driving the push plate 31 to move, so that the second positioning column 32 on the push plate 31 passes through the side positioning hole 6 of the frame 1 and the limiting hole 33 of the support seat 28 in sequence, and at the same time, the side cross plate 5 of the frame 1 is pressed between the push plate 31 and the support seat 28 to achieve the fixation and positioning of the frame 1, thereby reducing the possibility of displacement of the frame 1 and improving the stability of the placement of the frame 1.
[0042] Reference Figure 3 and Figure 4 The first clamping unit also includes a placement seat 34 arranged on the base 41, and the inner concave surface 2 of the frame 1 is mounted on the placement seat 34. The placement seat 34 supports the inner concave surface 2 of the frame 1, reduces the possibility of shaking of the frame 1, and improves the stability of the placement of the frame 1.
[0043] Reference Figure 3 and Figure 4The second clamping unit includes a side support 35 arranged on a base 41, a limiting plate 36 is inserted on the side support 35, a third quick clamp 37 is bolted to the side support 35, the second end 11 of the bending plate 9 is pressed between the clamp end of the third quick clamp 37 and the limiting plate 36, and the first end 10 of the bending plate 9 is mounted on the outer peripheral surface 3 of the frame 1. Two limiting blocks 40 are bolted to the surface of the limiting plate 36 facing the frame 1, the second end 11 of the bending plate 9 is located between the two limiting blocks 40 and is in contact with the two limiting blocks 40, and the two limiting blocks 40 are used to limit the second section of the bending plate 9, thereby reducing the possibility of displacement of the second end 11 of the bending plate 9, improving the stability of the placement of the second end 11 of the bending plate 9, and thus improving the weld quality and welding efficiency.
[0044] Therefore, when it is necessary to weld the first end 10 of the bending plate 9 to the outer peripheral surface 3 of the frame 1, the operator sets the first end 10 of the bending plate 9 on the outer peripheral surface 3 of the frame 1, makes the second end 11 of the bending plate 9 contact with the end surface of the limiting plate 36, and uses the third quick clamp 37 to press the second end 11 of the bending plate 9 between the clamping end of the third quick clamp 37 and the limiting plate 36, thereby achieving the individual fixation of the bending plate 9 while reducing the possibility of shaking of the bending plate 9 and improving the stability of the placement of the bending plate 9.
[0045] Reference Figure 3 and Figure 4 , a second push-pull clamp 38 is bolted to the side support 35, and a third positioning column 39 matching the size of the central positioning hole 13 of the bending plate 9 is provided at the output end of the second push-pull clamp 38, and the third positioning column 39 passes through the limiting plate 36 and the central positioning hole 13 of the bending plate 9 in sequence. Therefore, the second push-pull clamp 38 is started to drive the third positioning column 39 to move, so that the third positioning column 39 passes through the limiting plate 36 and the central positioning hole 13 of the bending plate 9 in sequence, thereby limiting the position of the bending plate 9, improving the accuracy of the placement of the bending plate 9, and improving the weld quality and welding efficiency.
[0046] The implementation principle of the embodiment of the present application is as follows: when it is necessary to weld the clamp 7 to the inner concave surface 2 of the frame 1, the operator sets the outer peripheral surface 3 of the frame 1 on the base 41, so that the bottom positioning column 16 passes through the bottom positioning hole 4 of the frame 1 to achieve the positioning of the frame 1, and the second quick clamp 27 presses the frame 1 between the clamp end of the quick clamp and the base 41, and the operator screws the first positioning column 19 into the thread groove 12 of the clamp 7, so that the clamp 7 fits the inner concave surface 2 of the frame 1, and rotates the fixing frame 18 so that the groove wall of the first limiting groove 22 on the fixing frame 18 contacts the outer edge of the first positioning column 19, and then uses the first quick clamp 21 to press the fixing frame 18 between the clamp end of the first quick clamp 21 and the clamp 7, so as to achieve the fixation of the clamp 7, and then the operator uses the welding equipment to weld the end surface of the clamp 7 in contact with the frame 1;
[0047] When it is necessary to weld the two curved rings 8 to the inner concave surface 2 of the frame 1, the operator places the two curved rings 8 on the inner concave surface 2 of the frame 1 respectively, installs the positioning seat 23 on the base 41, and makes the two curved rings 8 respectively located in the two second limiting grooves 24 of the positioning seat 23, thereby realizing the positioning and fixing of the two curved rings 8, and then the operator uses welding equipment to weld the contact parts of the two curved rings 8 and the inner concave surface 2 of the frame 1;
[0048] After the clamping block 7 and the two curved rings 8 are welded to the inner concave surface 2 of the frame 1, when it is necessary to weld the first end 10 of the bent plate 9 to the outer peripheral surface 3 of the frame 1, the frame 1 is turned over so that the inner concave surface 2 of the frame 1 is mounted on the support seat 28, and the first push-pull clamp 29 is started to drive the push-pull bolt 30 to move, thereby driving the push plate 31 to move, so that the second positioning column 32 on the push plate 31 passes through the side positioning hole 6 of the frame 1 and the limiting hole 33 of the support seat 28 in sequence, and at the same time, the side cross plate 5 of the frame 1 is pressed against the push plate 31 The frame 1 is fixed and positioned between the support seat 28; the operator sets the first end 10 of the bending plate 9 on the outer peripheral surface 3 of the frame 1, and makes the second end 11 of the bending plate 9 contact with the end surface of the limiting plate 36, and uses the third quick clamp 37 to press the second end 11 of the bending plate 9 between the clamping end of the third quick clamp 37 and the limiting plate 36, thereby achieving the individual fixation of the bending plate 9, and then the operator uses welding equipment to weld the first end 10 of the bending plate 9 to the end surface in contact with the frame 1.
[0049] The frame 1, the block 7 and the two curved rings 8 are fixed respectively by the fixing device 14, and the frame 1 and the bent plate 9 are fixed respectively by the clamping device 15, which makes it convenient for operators to perform welding operations and prevents the components of the excavator part bracket from shaking during the welding process, thereby improving the weld quality and production efficiency.
[0050] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.
Claims
1. A clamping tool for welding an excavator part bracket, characterized in that: The invention comprises a base (41), wherein a fixing device (14) is provided on the base (41), wherein the fixing device (14) comprises a first fixing unit for fixing a frame (1), a second fixing unit for fixing a clamping block (7), and a third fixing unit for fixing two curved rings (8), wherein the first fixing unit comprises a bottom positioning column (16) arranged on the base (41) and matching with a bottom positioning hole (4), wherein an outer peripheral surface (3) of the frame (1) is mounted on the base (41) and the bottom positioning column (16) passes through the bottom positioning hole (4), and wherein a clamping device (15) is further provided on the base (41), wherein the clamping device (15) comprises a first clamping unit for fixing the frame (1) and a second clamping unit for fixing the bending plate (9); when it is necessary to weld the first end (10) of the bending plate (9) to the outer peripheral surface (3) of the frame (1), the frame (1) is fixed by using the first clamping unit.
2. The clamping tool for welding the bracket of the excavator parts according to claim 1 is characterized in that: The second fixing unit comprises a mounting seat (17) arranged on the base (41), a fixing frame (18) being hinged on the mounting seat (17), the second fixing unit also comprises a first positioning column (19) matching the thread groove (12) of the clamping block (7), one end of the first positioning column (19) facing the clamping block (7) is threadedly connected in the thread groove (12), a first clamp seat (20) is provided on the base (41), a first quick clamp (21) is provided on the first clamp seat (20), the fixing frame (18) is pressed between the clamping end of the first quick clamp (21) and the clamping block (7), a first limiting groove (22) matching the first positioning column (19) is provided on the fixing frame (18), and the outer edge of the first positioning column (19) is pressed against the groove wall of the first limiting groove (22).
3. The clamping tool for welding the bracket of the excavator parts according to claim 1 is characterized in that: The third fixing unit comprises a positioning seat (23) bolted to the base (41), the frame (1) passing through the positioning seat (23), and a second limiting groove (24) respectively matching with two curved rings (8) is formed on the surface of the positioning seat (23) facing the base (41), the two curved rings (8) are located between the inner concave surface (2) of the frame (1) and the positioning seat (23), and the two curved rings (8) are respectively pressed against the two second limiting grooves (24).
4. The clamping tool for welding the bracket of the excavator parts according to claim 3 is characterized in that: The third fixing unit further comprises a reinforcement frame (25) arranged on the base (41), and the positioning seat (23) is mounted on the reinforcement frame (25).
5. The clamping tool for welding the bracket of the excavator parts according to claim 1 is characterized in that: The first fixing unit further comprises a second clamp seat (26) arranged on the base (41), a second quick clamp (27) being arranged on the second clamp seat (26), and the frame (1) is pressed tightly between the clamp end of the second quick clamp (27) and the base (41).
6. The clamping tool for welding the bracket of the excavator parts according to claim 1 is characterized in that: The first clamping unit comprises a support seat (28) arranged on a base (41), the inner concave surface (2) of the frame (1) is mounted on the support seat (28), a first push-pull clamp (29) is arranged on the base (41), a clamp end of the first push-pull clamp (29) is threadedly connected with a push-pull bolt (30), an outer edge of the push-pull bolt (30) is provided with a push plate (31), a second positioning column (32) matching the side positioning hole (6) is provided on the surface of the push plate (31) facing the frame (1), a limiting hole (33) matching the second positioning column (32) is opened on the support seat (28), the second positioning column (32) is sequentially passed through the side positioning hole (6) and the limiting hole (33) of the frame (1), and the side cross plate (5) of the frame (1) is pressed tightly between the push plate (31) and the support seat (28).
7. The clamping tool for welding the bracket of the excavator parts according to claim 6 is characterized in that: The first clamping unit further comprises a placement seat (34) arranged on the base (41), and the inner concave surface (2) of the frame (1) is mounted on the placement seat (34).
8. The clamping tool for welding the bracket of the excavator parts according to claim 1 is characterized in that: The second clamping unit comprises a side support (35) arranged on a base (41), a limiting plate (36) being provided on the side support (35), a third quick clamp (37) being provided on the side support (35), the second end (11) of the bending plate (9) being pressed between the clamping end of the third quick clamp (37) and the limiting plate (36), and the first end (10) of the bending plate (9) being mounted on the outer peripheral surface (3) of the frame (1).
9. The clamping tool for welding the bracket of the excavator parts according to claim 8 is characterized in that: The side support (35) is provided with a second push-pull clamp (38), and the output end of the second push-pull clamp (38) is provided with a third positioning column (39) matching the central positioning hole (13) of the bending plate (9), and the third positioning column (39) passes through the limiting plate (36) and the central positioning hole (13) of the bending plate (9) in sequence.
10. The clamping tool for welding the bracket of the excavator parts according to claim 8, characterized in that: Two limit blocks (40) are provided on the surface of the limit plate (36) facing the frame (1), and the second end (11) of the bent plate (9) is located between the two limit blocks (40) and is in contact with the two limit blocks (40).