Positioning device for frame welding

Abstract

The utility model provides a positioning device for frame welding, which relates to the technical field of positioning devices and comprises a bottom plate, a right-hand and left-hand thread lead screw is fastened and connected to the middle of the surface of the bottom plate, one end of the right-hand and left-hand thread lead screw is connected with a lead screw motor, square blocks are inserted into two ends of the right-hand and left-hand thread lead screw, and a bearing plate is fastened and connected to the top ends of the square blocks. Through cooperation of a lead screw motor, a positive and negative thread lead screw, a bearing plate, a threaded rod, a limiting circular shaft, a sliding block and a clamping block, the sliding block can be driven to move by using the threaded rod and a first motor, the clamping block can be synchronously driven to move in the sliding block moving process, the limiting circular shaft can prevent the sliding block and the clamping block from moving in the moving process, and the clamping block can be synchronously driven to move by using the limiting circular shaft. And the follow-up welding effect is affected due to deviation, it is ensured that welding parts are accurately aligned according to the design requirement, the preset relative position and posture are kept, and size errors or assembly difficulty caused by welding deviation are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a positioning device for frame welding. Background Art

[0002] Ensure that the welded components are accurately aligned according to the design requirements, maintain the predetermined relative position and attitude, avoid dimensional errors or assembly difficulties caused by welding deviations, provide a stable support for the deformation that may be caused by heat during the welding process, reduce the displacement caused by external forces or self-weight, maintain the stability of the welding operation, effectively control and reduce welding deformation by evenly distributing welding stress, limit the free expansion of components when heated, so as to ensure the geometric accuracy of the welded structure. The pre-set positioning device can quickly fix the workpiece, reduce the preparation time, improve the operation efficiency of the welding production line and the consistency of welding quality. Correct use of the positioning device can avoid the movement of components during the welding operation, reduce safety hazards, and protect the safety of operators.

[0003] However, in the existing positioning device for frame welding, during the welding process of frame components, distortion may occur due to local heating, affecting the geometric dimensional accuracy and assembly performance of the frame. Moreover, after welding, the cooling speed is slow, affecting work efficiency. Therefore, a new type of positioning device for frame welding needs to be proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the above-mentioned problems that during the welding process of frame components, distortion may occur due to local heating, affecting the geometric dimensional accuracy and assembly performance of the frame, and after welding, the cooling speed is slow, affecting work efficiency, and to propose a positioning device for frame welding.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A positioning device for frame welding, including a bottom plate, a positive and negative threaded screw rod is tightly connected to the middle of the surface of the bottom plate, one end of the positive and negative threaded screw rod is connected to a screw rod motor, both ends of the positive and negative threaded screw rod are inserted with square blocks, the top of the square block is tightly connected to a load-bearing plate, the middle of the top of the load-bearing plate is tightly connected to a threaded rod, both sides of the top of the load-bearing plate are tightly connected with limiting round shafts, sliders are arranged on the circumferences of the limiting round shafts and the threaded rod, the top of the slider is connected to a clamping block, one end of the threaded rod is connected to a first motor, and multiple load-bearing shafts are tightly connected to the bottom of the bottom plate.

[0006] Preferably, a processing box is arranged on the top of the bottom plate, and a hydraulic cylinder is tightly connected to the middle of the top of the processing box.

[0007] Preferably, the output end of the hydraulic cylinder is connected to a hydraulic rod, and a cross plate is tightly connected to the bottom of the hydraulic rod.

[0008] Preferably, both sides of the top end of the transverse plate are fastened with telescopic shafts, and the top end of the telescopic shafts is connected to the inner top end of the processing box.

[0009] Preferably, a screw rod is fastened to the interior of the transverse plate, one end of the screw rod is connected to the second motor, one end of the screw rod is inserted and connected to a connecting block, and the bottom end of the connecting block is fastened to a welding device.

[0010] Preferably, a water pump is fastened to one side of the top end of the processing box, an output end of the water pump is connected to a water tank, and a bottom end of the water tank is connected to a water pipe.

[0011] Preferably, the bottom end of the water pipe is connected to a storage box, the bottom end of the storage box is connected to multiple groups of atomizing nozzles, and two groups of fixing blocks are provided at the top of the storage box, and the top ends of the two groups of fixing blocks are fastened to the inner top end of the processing box.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, through the cooperation of the screw motor, positive and negative threaded screw, load-bearing plate, threaded rod, limiting circular shaft, slider and clamping block, the threaded rod and the first motor can be used to drive the slider to move. During the movement of the slider, the clamping block can be driven to move synchronously. The limiting circular shaft can prevent the slider and the clamping block from deviating during the movement and affecting the subsequent welding effect. When the slider and the clamping block move to the preset position, it is convenient to clamp and position the frame. Then, under the action of the screw motor, the positive and negative threaded screws can be driven to operate. During the operation of the positive and negative threaded screws, the load-bearing plate can be driven to move. During the movement of the load-bearing plate, the frame can be driven to move synchronously, which is convenient for the docking of the frame components that need to be welded, ensuring that the welded components are accurately aligned according to the design requirements, maintaining the predetermined relative position and posture, and avoiding dimensional errors or assembly difficulties caused by welding deviations.

[0014] 2. In the utility model, by cooperating with the water tank, water pump, storage box, water pipe, atomizing nozzle and fixing block, starting the water pump can control the water tank to operate. During the operation of the water tank, the coolant inside the water tank can flow from the water pipe into the inside of the storage box and then be sprayed out from the atomizing nozzle, making the welding process more continuous and smooth, reducing the downtime caused by waiting for the workpiece to cool, thereby improving the overall production efficiency. Afterwards, under the action of the fixing block, the storage box can be fixed to the internal top of the processing box to prevent the storage box from falling off during long-term use and affecting the subsequent use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a three-dimensional structure schematic diagram of a positioning device for frame welding proposed by the present utility model;

[0016] Figure 2 This is a cross-sectional structure schematic diagram of a positioning device for frame welding proposed by the present utility model;

[0017] Figure 3 This is a partial structure schematic diagram of a positioning device for frame welding proposed by the present utility model;

[0018] Figure 4 This is an installation schematic diagram of a storage box, a water pipe, an atomizing nozzle, a fixing block, a water tank and a water pump of a positioning device for frame welding proposed by the present utility model.

[0019] Legend: 1. Bottom plate; 2. Load-bearing shaft; 3. Processing box; 4. Lead screw motor; 5. Left and right-handed lead screw; 6. Load-bearing plate; 7. Second motor; 8. Cross plate; 9. Telescopic shaft; 10. Hydraulic cylinder; 11. Hydraulic rod; 12. Water tank; 13. Water pump; 14. Threaded rod; 15. Limit round shaft; 16. Slide block; 17. Clamping block; 18. Welding device; 19. Storage box; 20. Water pipe; 21. Atomizing nozzle; 22. Fixing block; 23. Square block. Detailed implementation manners

[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0021] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0022] Embodiment 1: As Figures 1-4 shown, the present utility model provides a technical solution: a positioning device for frame welding, including a bottom plate 1, a left and right-handed lead screw 5 is fixedly connected to the middle of the surface of the bottom plate 1, one end of the left and right-handed lead screw 5 is connected to a lead screw motor 4, both ends of the left and right-handed lead screw 5 are inserted with square blocks 23, the top of the square block 23 is fixedly connected to a load-bearing plate 6, a threaded rod 14 is fixedly connected to the middle of the top of the load-bearing plate 6, limit round shafts 15 are fixedly connected to both sides of the top of the load-bearing plate 6, slide blocks 16 are arranged on the circumferences of the limit round shafts 15 and the threaded rod 14, the top of the slide block 16 is connected to a clamping block 17, one end of the threaded rod 14 is connected to a first motor, and multiple groups of load-bearing shafts 2 are fixedly connected to the bottom end of the bottom plate 1.

[0023] In this embodiment, by setting the threaded rod 14 and the first motor, the slider 16 can be driven to move. During the movement of the slider 16, the clamping block 17 can be driven to move synchronously. The limiting round shaft 15 can prevent the slider 16 and the clamping block 17 from shifting during the movement, which may affect the subsequent welding effect. When the slider 16 and the clamping block 17 move to the preset position, it is convenient to clamp and position the vehicle frame. Then, under the action of the lead screw motor 4, the left - and - right - hand threaded lead screw 5 can be driven to operate. During the operation of the left - and - right - hand threaded lead screw 5, the load - bearing plate 6 can be driven to move. During the movement of the load - bearing plate 6, the vehicle frame can be driven to move synchronously, which is convenient to realize the butt - joint of the vehicle - frame components to be welded, ensure that the welded components are accurately aligned according to the design requirements, maintain the predetermined relative position and attitude, and avoid dimensional errors or assembly difficulties caused by welding deviations.

[0024] Embodiment 2: As Figures 1-4 shown, a processing box 3 is provided at the top end of the bottom plate 1. A hydraulic cylinder 10 is fixedly connected to the middle of the top end of the processing box 3. The output end of the hydraulic cylinder 10 is connected to a hydraulic rod 11. The bottom end of the hydraulic rod 11 is fixedly connected to a cross - plate 8. Both sides of the top end of the cross - plate 8 are fixedly connected with telescopic shafts 9. The top ends of the telescopic shafts 9 are connected to the inner top end of the processing box 3. A lead screw is fixedly connected to the inside of the cross - plate 8. One end of the lead screw is connected to a second motor 7. One end of the lead screw is inserted through a connecting block. The bottom end of the connecting block is fixedly connected to a welding device 18. A water pump 13 is fixedly connected to one side of the top end of the processing box 3. The output end of the water pump 13 is connected to a water tank 12. The bottom end of the water tank 12 is communicated with a water pipe 20. The bottom end of the water pipe 20 is communicated with a storage tank 19. Multiple atomizing nozzles 21 are communicated with the bottom end of the storage tank 19. Two fixing blocks 22 are provided at the top end of the storage tank 19. The top ends of the two fixing blocks 22 are fixedly connected to the inner top end of the processing box 3.

[0025] In this embodiment, the hydraulic cylinder 10 and the hydraulic rod 11 are used to drive the cross plate 8 to perform lifting operations. During the lifting process of the cross plate 8, the welding device 18 can be synchronously driven to lift. When the welding device 18 is lifted to a preset position, the screw rod and the second motor 7 are used to drive the moving block and the welding device 18 to move, facilitating the welding of the vehicle frame. Under the action of the telescopic shaft 9, the cross plate 8 is more stable during the lifting process, improving the subsequent welding effect. Then, the water pump 13 is used to control the operation of the water tank 12. During the operation of the water tank 12, the coolant inside the water tank 12 flows from the water pipe 20 into the storage tank 19 and is sprayed out from the atomizing nozzle 21, making the welding process more continuous and smooth, reducing the downtime caused by waiting for the workpiece to cool, and thus improving the overall production efficiency. After that, under the action of the fixing block 22, the storage tank 19 can be fixed at the inner top of the processing box 3 to prevent the storage tank 19 from falling off during long-term use and affecting the subsequent use effect.

[0026] Working principle of this embodiment: When in use, first, the threaded rod 14 and the first motor are used to drive the slider 16 to move. During the movement of the slider 16, the clamping block 17 can be synchronously driven to move. The limiting round shaft 15 is used to prevent the slider 16 and the clamping block 17 from shifting during the movement and affecting the subsequent welding effect. When the slider 16 and the clamping block 17 move to the preset position, it is convenient to clamp and position the vehicle frame. Then, under the action of the screw rod motor 4, the left and right threaded screw rod 5 can be driven to operate. During the operation of the left and right threaded screw rod 5, the bearing plate 6 can be driven to move. Through the movement of the bearing plate 6, the vehicle frame can be synchronously driven to move, facilitating the docking of the vehicle frame components to be welded, ensuring that the welded components are accurately aligned according to the design requirements, maintaining the predetermined relative position and attitude, and avoiding dimensional errors or assembly difficulties caused by welding deviations. Then, under the action of the hydraulic cylinder 10 and the hydraulic rod 11, the cross plate 8 can be driven to perform lifting operations. During the lifting process of the cross plate 8, the welding device 18 can be synchronously driven to lift. When the welding device 18 is lifted to a preset position, the screw rod and the second motor 7 are used to drive the moving block and the welding device 18 to move, facilitating the welding of the vehicle frame. Under the action of the telescopic shaft 9, the cross plate 8 is more stable during the lifting process, improving the subsequent welding effect. After that, the water pump 13 is used to control the operation of the water tank 12. During the operation of the water tank 12, the coolant inside the water tank 12 flows from the water pipe 20 into the storage tank 19 and is sprayed out from the atomizing nozzle 21, making the welding process more continuous and smooth, reducing the downtime caused by waiting for the workpiece to cool, and thus improving the overall production efficiency. After that, under the action of the fixing block 22, the storage tank 19 can be fixed at the inner top of the processing box 3 to prevent the storage tank 19 from falling off during long-term use and affecting the subsequent use effect.

[0027] As described above, it is only the preferred embodiment of the present utility model, and it is not a limitation to the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A positioning device for frame welding, characterized in that: The invention comprises a base plate (1), a positive and negative threaded screw rod (5) is fastened to the middle of the surface of the base plate (1), one end of the positive and negative threaded screw rod (5) is connected to a screw motor (4), blocks (23) are inserted into both ends of the positive and negative threaded screw rod (5), the top of the block (23) is fastened to a load-bearing plate (6), the middle of the top of the load-bearing plate (6) is fastened to a threaded rod (14), both sides of the top of the load-bearing plate (6) are fastened to a limited circular shaft (15), the circumference of the limited circular shaft (15) and the threaded rod (14) are provided with a slider (16), the top of the slider (16) is connected to a clamping block (17), one end of the threaded rod (14) is connected to a first motor, and the bottom end of the base plate (1) is fastened to a plurality of groups of load-bearing shafts (2).

2. The positioning device for frame welding according to claim 1, characterized in that: A processing box (3) is provided at the top end of the base plate (1), and a hydraulic cylinder (10) is fastened to the middle of the top end of the processing box (3).

3. The positioning device for frame welding according to claim 2, characterized in that: The output end of the hydraulic cylinder (10) is connected to a hydraulic rod (11), and the bottom end of the hydraulic rod (11) is fixedly connected to a transverse plate (8).

4. The positioning device for frame welding according to claim 3, characterized in that: Both sides of the top end of the transverse plate (8) are fastened with telescopic shafts (9), and the top end of the telescopic shaft (9) is connected to the inner top end of the processing box (3).

5. The positioning device for frame welding according to claim 4, characterized in that: A screw rod is fastened to the interior of the transverse plate (8), one end of the screw rod is connected to a second motor (7), one end of the screw rod is inserted and connected to a connecting block, and the bottom end of the connecting block is fastened to a welding device (18).

6. The positioning device for frame welding according to claim 4, characterized in that: A water pump (13) is fastened to one side of the top end of the processing box (3), the output end of the water pump (13) is connected to a water tank (12), and the bottom end of the water tank (12) is connected to a water pipe (20).

7. The positioning device for frame welding according to claim 6, characterized in that: The bottom end of the water pipe (20) is connected to a storage box (19), the bottom end of the storage box (19) is connected to a plurality of groups of atomizing nozzles (21), and the top end of the storage box (19) is provided with two groups of fixing blocks (22), the top ends of the two groups of fixing blocks (22) are fastened to the inner top end of the processing box (3).

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