Automatic positioning and clamping device for flange welding

By designing automatic positioning and clamping devices for limiting components, positioning components and driving mechanisms, the problem that existing fixtures cannot fix square flanges of different models and specifications is solved, precise positioning and stable clamping of flanges are achieved, and welding quality is improved.

CN223070756UActive Publication Date: 2025-07-08SUZHOU ANDING RUPTURE DISK MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421427641.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-07-08
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

Existing fixtures cannot conveniently effectively fix the semi-finished square flange products of different models and specifications, resulting in errors during welding and affecting quality.

Method used

An automatic positioning and clamping device including a limiting assembly, a positioning assembly and a driving mechanism is designed to realize automatic positioning and clamping of flanges of different sizes through the cooperation of sensors and driving assembly.

Benefits of technology

Accurate positioning and stable clamping of flanges of different sizes is achieved, and the welding quality and accuracy are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223070756U_ABST
    Figure CN223070756U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic positioning and clamping device for flange welding. The automatic positioning and clamping device comprises a bottom plate, a limiting assembly, a positioning assembly and a supporting plate are installed on the bottom plate, and a driving mechanism for driving the positioning assembly to move is installed on the supporting plate. The flange clamping device is provided with the limiting assembly, the positioning assembly and the driving assembly, the positioning assembly is driven by the driving assembly to move so that the position of the positioning assembly can be adjusted according to the size of a flange, and the flanges of different sizes can be automatically positioned and clamped by matching the sensor with the driving assembly.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of flange processing, and particularly relates to an automatic positioning and clamping device for flange welding. Background Technique

[0002] Square flanges are widely used in pipe fittings connection. In the actual forming process, it is often necessary to use a welding machine to weld and process the square flange semi-finished products to form finished products. Special fixtures are required for the welding of square flanges, and the square flanges are fixed before processing.

[0003] However, the existing fixtures are not convenient for clamping square flange semi-finished products of different models and specifications, resulting in poor fixing effects of the square flange semi-finished products, and errors are likely to occur during processing, affecting the quality of square flanges. In view of the above defects, it is necessary to design an automatic positioning and clamping device for flange welding. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an automatic positioning and clamping device for flange welding to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an automatic positioning and clamping device for flange welding, including a bottom plate, a limiting component is installed on the bottom plate, a positioning component is installed on the bottom plate, a supporting plate is installed on the bottom plate, and a driving mechanism for driving the positioning component to move is installed on the supporting plate.

[0006] Preferably, the limiting component includes a transverse limiting plate and a longitudinal limiting plate. The transverse limiting plate and the longitudinal limiting plate are vertically connected in sequence to form an L-shaped limiting plate. The limiting plate is installed at one end of the bottom plate. Transverse waist-shaped holes are provided on the bottom plate at parallel intervals with the transverse limiting plate, and longitudinal waist-shaped holes are also provided on the bottom plate at parallel intervals with the longitudinal limiting plate.

[0007] Preferably, the positioning component includes a transverse positioning plate and a longitudinal positioning plate. A first groove is installed at the top of one end of the transverse positioning plate, a first proximity sensor is installed in the first groove, a first sliding rod is installed at the bottom of one end of the transverse positioning plate, and the first sliding rod is slidably arranged in the longitudinal waist-shaped hole.

[0008] Preferably, a second groove is installed at the top of one end of the longitudinal positioning plate, a second proximity sensor is installed in the second groove, a second sliding rod is installed at the bottom of one end of the longitudinal positioning plate, and the second sliding rod is slidably arranged in the transverse waist-shaped hole. A hollow groove is provided in the middle of the longitudinal positioning plate, and the middle of the transverse positioning plate passes through the hollow groove of the longitudinal positioning plate and can slide along the longitudinal positioning plate. The transverse positioning plate and the longitudinal positioning plate are arranged in a cross shape.

[0009] Preferably, the driving mechanism includes a lateral driving component and a longitudinal driving component. The lateral driving component includes a first lead screw and a first motor. The first lead screw is rotatably installed on a first lead screw base, and the first lead screw base is installed on a substrate. One end of the first lead screw is fixedly connected to the output end of the first motor. A first lead screw nut is sleeved on the first lead screw, and the first lead screw nut is installed on a first connecting block.

[0010] Preferably, the first connecting block is installed at the bottom of a first moving plate. The top of the first moving plate is fixedly connected to the other end of a longitudinal positioning plate. First pads are installed at both ends of the bottom of the first moving plate, and first sliders are installed at the bottoms of the first pads. The first sliders are slidably arranged on a first slide rail, and the first slide rail is installed on a first substrate, and the first substrate is installed on a support plate.

[0011] Preferably, the longitudinal driving component includes a second lead screw and a second motor. The second lead screw is rotatably installed on a second lead screw base, and the second lead screw base is installed on a second substrate. One end of the second lead screw is fixedly connected to the output end of the second motor. A second lead screw nut is sleeved on the second lead screw, and the second lead screw nut is installed on a second connecting block.

[0012] Preferably, the second connecting block is installed at the bottom of a second moving plate. The top of the second moving plate is fixedly connected to the other end of a lateral positioning plate. Second pads are installed at both ends of the bottom of the second moving plate, and second sliders are installed at the bottoms of the second pads. The second sliders are slidably arranged on a second slide rail, and the second slide rail is installed on a second substrate, and the second substrate is installed on a support plate.

[0013] Compared with the prior art, the automatic positioning and clamping device for flange welding of the present utility model is provided with a limiting component, a positioning component and a driving component. The driving component drives the positioning component to move so as to adjust the position of the positioning component according to the size of the flange, and through the cooperation of the sensor and the driving component, it can automatically position and clamp flanges of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is Figure 1 a schematic structural diagram of part A in

[0017] Figure 3 is Figure 1 a schematic structural diagram of part B in

[0018] In the accompanying drawings:

[0019] 1. Bottom plate; 2. Limiting component; 3. Positioning component; 4. Support plate; 5. Driving mechanism; 6. Transverse limiting plate; 7. Longitudinal limiting plate; 8. Transverse kidney-shaped hole; 9. Longitudinal kidney-shaped hole; 10. Transverse positioning plate; 11. First groove; 12. First proximity sensor; 13. First sliding rod; 14. Longitudinal positioning plate; 15. Second groove; 16. Second proximity sensor; 17. Second sliding rod; 18. Hollow groove; 19. Transverse driving component; 20. First lead screw; 21. First lead screw seat; 22. First substrate; 23. First motor; 24. First lead screw nut; 25. First connecting block; 26. First moving plate; 27. First cushion block; 28. First slider; 29. First slide rail; 30. Longitudinal driving component; 31. Second lead screw; 32. Second lead screw seat; 33. Substrate; 34. Second motor; 35. Second lead screw nut; 36. Second connecting block; 37. Second moving plate; 38. Second cushion block; 39. Second slider; 40. Second slide rail; 41. Square flange. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-3 As shown in the figure, the present invention provides a technical solution: an automatic positioning and clamping device for flange welding, including a bottom plate 1, a limiting component 2 is installed on the bottom plate 1, a positioning component 3 is installed on the bottom plate 1, a support plate 4 is installed on the bottom plate 1, and a driving mechanism 5 for driving the positioning component 3 to move is installed on the support plate 4.

[0022] The limiting component 2 in this embodiment includes a transverse limiting plate 6 and a longitudinal limiting plate 7. The transverse limiting plate 6 and the longitudinal limiting plate 7 are sequentially and perpendicularly connected to form an L-shaped limiting plate. The limiting plate is installed at one end of the bottom plate 1. A transverse kidney-shaped hole 8 parallel and spaced from the transverse limiting plate 6 is provided on the bottom plate 1, and a longitudinal kidney-shaped hole 9 parallel and spaced from the longitudinal limiting plate 7 is also provided on the bottom plate 1.

[0023] The positioning component 3 in this embodiment includes a horizontal positioning plate 10 and a vertical positioning plate 14. At the top of one end of the horizontal positioning plate 10, a first groove 11 is installed, and a first proximity sensor 12 is installed in the first groove 11. At the bottom of one end of the horizontal positioning plate 10, a first sliding rod 13 is installed, and the first sliding rod 13 is slidably arranged in the longitudinal kidney-shaped hole 9. At the top of one end of the vertical positioning plate 14, a second groove 15 is installed, and a second proximity sensor 16 is installed in the second groove 15. The second proximity sensor 16 and the first proximity sensor 12 are respectively electrically connected to the PLC controller. At the bottom of one end of the vertical positioning plate 14, a second sliding rod 17 is installed, and the second sliding rod 17 is slidably arranged in the horizontal kidney-shaped hole 8. A hollow groove 18 is formed in the middle of the vertical positioning plate 14, and the middle of the horizontal positioning plate 10 passes through the hollow groove 18 of the vertical positioning plate 14 and can slide along the vertical positioning plate 14. The horizontal positioning plate 10 and the vertical positioning plate 14 are arranged in a cross shape.

[0024] The driving mechanism 5 in this embodiment includes a horizontal driving component 19 and a vertical driving component 30. The horizontal driving component 19 includes a first lead screw 20 and a first motor 23. The first lead screw 20 is rotatably installed on a first lead screw base 21, and the first lead screw base 21 is installed on a base plate 22. One end of the first lead screw 20 is fixedly connected to the output end of the first motor 23. A first lead screw nut 24 is sleeved on the first lead screw 20, and the first lead screw nut 24 is installed on a first connecting block 25. The first connecting block 25 is installed at the bottom of a first moving plate 26. The top of the first moving plate 26 is fixedly connected to the other end of the vertical positioning plate 14. At both ends of the bottom of the first moving plate 26, first cushion blocks 27 are installed, and first sliding blocks 28 are installed at the bottoms of the first cushion blocks 27. The first sliding blocks 28 are slidably arranged on a first sliding rail 29, and the first sliding rail 29 is installed on a first base plate 22. The first base plate 22 is installed on a support plate 4, and the support plate 4 is of an L-shaped structure.

[0025] The vertical driving component 30 in this embodiment includes a second lead screw 31 and a second motor 34. The second lead screw 31 is rotatably installed on a second lead screw base 32, and the second lead screw base 32 is installed on a second base plate 33. One end of the second lead screw 31 is fixedly connected to the output end of the second motor 34. A second lead screw nut 35 is sleeved on the second lead screw 31, and the second lead screw nut 35 is installed on a second connecting block 36. The second connecting block 36 is installed at the bottom of a second moving plate 37. The top of the second moving plate 37 is fixedly connected to the other end of the horizontal positioning plate 10. At both ends of the bottom of the second moving plate 37, second cushion blocks 38 are installed, and second sliding blocks 39 are installed at the bottoms of the second cushion blocks 38. The second sliding blocks 39 are slidably arranged on a second sliding rail 40, and the second sliding rail 40 is installed on the second base plate 33. The second base plate 33 is installed on the support plate 4. The first motor 23 and the second motor 34 are respectively electrically connected to the PLC controller.

[0026] Working principle of the utility model: Place the assembled square flange on the bottom plate 1. The first motor 23 operates to drive the first lead screw 20 to rotate. The first lead screw 20 drives the first lead screw nut 24 to move. The first connecting block 25, the first moving plate 26 and the longitudinal positioning plate 14 also move accordingly, causing the longitudinal positioning plate 14 to move along the transverse waist-shaped hole 8 towards the square flange. When the longitudinal positioning plate 14 moves to the square flange, the second proximity sensor 16 senses the square flange and conveys the sensed signal to the PLC controller. The PLC controller controls the first motor 23 to stop working. At the same time, the second motor 34 operates to drive the second lead screw 31 to rotate. The second lead screw 31 drives the second lead screw nut 35 to move. The second connecting block 36, the second moving plate 37 and the transverse positioning plate 10 also move accordingly, causing the transverse positioning plate 10 to move along the longitudinal waist-shaped hole 9 towards the square flange. When the transverse positioning plate 10 moves to the square flange, the first proximity sensor 12 senses the square flange and conveys the sensed signal to the PLC controller. The PLC controller controls the second motor 34 to stop working. The square flange is positioned and clamped by the transverse positioning plate 10, the longitudinal positioning plate 14, the transverse limiting plate 6 and the longitudinal limiting plate 7. After the clamping is completed, the square flange is welded by a welding machine. After the welding is completed, the PLC controller controls the first motor 23 and the second motor 34 to operate, driving the transverse positioning plate 10 and the longitudinal positioning plate 14 back to the initial position, and then the welded square flange is removed.

[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic positioning and clamping device for flange welding, characterized in that: It includes a bottom plate (1), on which a limiting component (2) is installed, a positioning component (3) is installed, a supporting plate (4) is installed, and a driving mechanism (5) for driving the positioning component (3) to move is installed on the supporting plate (4). The limiting component (2) includes a transverse limiting plate (6) and a longitudinal limiting plate (7). The transverse limiting plate (6) and the longitudinal limiting plate (7) are sequentially and perpendicularly connected to form an L-shaped limiting plate, and the limiting plate is installed at one end of the bottom plate (1). Transverse kidney-shaped holes (8) parallel and spaced from the transverse limiting plate (6) are provided on the bottom plate (1), and longitudinal kidney-shaped holes (9) parallel and spaced from the longitudinal limiting plate (7) are further provided on the bottom plate (1). The positioning component (3) includes a transverse positioning plate (10) and a longitudinal positioning plate (14). At the top of one end of the transverse positioning plate (10), a first groove (11) is installed, and a first proximity sensor (12) is installed in the first groove (11). At the bottom of one end of the transverse positioning plate (10), a first sliding rod (13) is installed, and the first sliding rod (13) is slidably arranged in the longitudinal kidney-shaped hole (9).

2. The automatic positioning and clamping device for flange welding according to claim 1, wherein: At the top of one end of the longitudinal positioning plate (14), a second groove (15) is installed, and a second proximity sensor (16) is installed in the second groove (15). At the bottom of one end of the longitudinal positioning plate (14), a second sliding rod (17) is installed, and the second sliding rod (17) is slidably arranged in the transverse kidney-shaped hole (8). A hollow groove (18) is provided in the middle of the longitudinal positioning plate (14). The middle part of the transverse positioning plate (10) passes through the hollow groove (18) of the longitudinal positioning plate (14) and can slide along the longitudinal positioning plate (14). The transverse positioning plate (10) and the longitudinal positioning plate (14) are arranged in a cross shape.

3. The automatic positioning and clamping device for flange welding according to claim 1, characterized in that: The driving mechanism (5) includes a transverse driving component (19) and a longitudinal driving component (30). The transverse driving component (19) includes a first lead screw (20) and a first motor (23). The first lead screw (20) is rotatably installed on a first lead screw seat (21), the first lead screw seat (21) is installed on a substrate (22), one end of the first lead screw (20) is fixedly connected to the output end of the first motor (23), and a first lead screw nut (24) is sleeved on the first lead screw (20). The first lead screw nut (24) is installed on a first connecting block (25).

4. The automatic positioning and clamping device for flange welding according to claim 3, characterized in that: The first connecting block (25) is installed at the bottom of a first moving plate (26). The top of the first moving plate (26) is fixedly connected to the other end of the longitudinal positioning plate (14). At both ends of the bottom of the first moving plate (26), first pads (27) are installed, and first sliders (28) are installed at the bottoms of the first pads (27). The first sliders (28) are slidably arranged on a first slide rail (29), the first slide rail (29) is installed on a first substrate (22), and the first substrate (22) is installed on the supporting plate (4).

5. The automatic positioning and clamping device for flange welding according to claim 3, characterized in that: The longitudinal driving assembly (30) includes a second lead screw (31) and a second motor (34). The second lead screw (31) is rotatably installed on a second lead screw base (32), and the second lead screw base (32) is installed on a second substrate (33). One end of the second lead screw (31) is fixedly connected to the output end of the second motor (34). A second lead screw nut (35) is sleeved on the second lead screw (31), and the second lead screw nut (35) is installed on a second connecting block (36).

6. The automatic positioning and clamping device for flange welding according to claim 5, wherein: The second connecting block (36) is installed at the bottom of a second moving plate (37). The top of the second moving plate (37) is fixedly connected to the other end of a lateral positioning plate (10). Both ends of the bottom of the second moving plate (37) are installed with second cushion blocks (38). The bottom of the second cushion blocks (38) is installed with second sliders (39). The second sliders (39) are slidably arranged on second slide rails (40), and the second slide rails (40) are installed on the second substrate (33). The second substrate (33) is installed on a support plate (4).