Positioning and centering device for assisting brazing of target material and back plate

Abstract

The utility model relates to the technical field of material welding, in particular to an auxiliary target material and back plate brazing positioning and centering device which comprises a workbench, side plates arranged on the two sides of the workbench respectively, a top plate connected between the tops of the two side plates, a cross rod arranged in a frame formed by the top plate and the side plates, and clamping mechanisms arranged at the two ends of the cross rod respectively. Moving plates are connected to the two ends of the clamping mechanism respectively, adjusting mechanisms matched with the moving plates are arranged at the positions, located on the outer sides of the clamping mechanism, of the bottoms of the moving plates, electric telescopic rods are arranged at the two ends of the top plate respectively, cylinder bodies of the electric telescopic rods are fixed to the top plate, and the telescopic ends of the electric telescopic rods extend downwards and are connected with the tops of the moving plates; the clamping mechanism comprises a movable block, a hanging rod, a fixed block and a clamping plate which are sequentially connected from top to bottom. According to the positioning and centering device for assisting the brazing of the target material and the back plate, the quality and the efficiency of a brazing process are remarkably improved through accurate centering and positioning, strong adaptability and efficient automatic operation.

Description

Technical Field

[0001] This utility model relates to the field of material welding technology, and in particular to an auxiliary target material and back plate brazing positioning and centering device. Background Technology

[0002] In modern manufacturing, brazing technology is widely used in electronics, aerospace, medical devices, and other fields. Especially in the welding process between the target and the backplate, precise alignment and positioning are crucial for ensuring weld quality. The welding quality of the target and backplate directly affects the product's performance and lifespan, thus placing extremely high demands on welding precision. However, traditional target and backplate alignment and positioning methods have many limitations and are difficult to meet the needs of modern high-precision manufacturing.

[0003] First, traditional alignment methods rely heavily on manual operation, with operators visually observing and manually adjusting to align the target and backing plate. This method is not only inefficient but also susceptible to human factors such as operator experience, visual errors, and fatigue, making it difficult to guarantee alignment accuracy. Especially in mass production, the poor repeatability and consistency of manual operations can easily lead to unstable welding quality and affect product yield. Second, traditional alignment devices typically lack flexibility and are ill-suited to targets of different sizes and shapes. In actual production, the size and shape of the target may change due to product requirements, and traditional devices often require changing or adjusting the fixtures. This not only increases production preparation time but can also lead to a decrease in alignment accuracy. Furthermore, the clamping mechanism of traditional devices is usually a fixed design, unable to achieve fine-tuning, resulting in large alignment errors between the target and backing plate, making it difficult to meet the requirements of high-precision welding. Finally, traditional alignment devices have low stability and automation levels. During welding, the target and backing plate need to maintain a stable contact state to avoid welding defects. However, traditional equipment is susceptible to external vibrations or its own structural influences during clamping and positioning, causing misalignment between the target and the backplate, thus affecting welding quality. Furthermore, traditional equipment typically lacks automation, requiring operators to manually perform multiple steps such as centering, clamping, and welding, which not only increases labor intensity but also reduces production efficiency.

[0004] In summary, traditional target and backplate alignment and positioning methods have significant shortcomings in terms of accuracy, flexibility, stability, and automation, making it difficult to meet the needs of modern high-precision manufacturing. Utility Model Content

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution.

[0006] Design an auxiliary target and backplate brazing positioning and centering device. The device is characterized by comprising a worktable, side plates on both sides of the worktable, a top plate connected between the tops of the two side plates, a crossbar inside the frame formed by the top plate and the side plates, clamping mechanisms at both ends of the crossbar, movable plates connected to both ends of the clamping mechanisms, an adjustment mechanism cooperating with the clamping mechanisms at the bottom of the movable plates outside the clamping mechanisms, and electric telescopic rods at both ends of the top plate. The cylinder of the electric telescopic rod is fixed to the top plate, and its telescopic end extends downward and connects to the top of the movable plate.

[0007] The clamping mechanism includes a moving block, a lifting rod, a fixed block, and a clamping plate connected sequentially from top to bottom. A dividing block is fixed at the middle position of the crossbar. Compression springs are respectively sleeved on the crossbar between the moving block and the dividing block. The clamping plate is fixed on the opposite side of the fixed block. The dividing block is located at the middle position of the two clamping mechanisms.

[0008] Preferably, limit blocks are connected to both ends of the crossbar, and one end of the movable plate is fixedly connected to the limit blocks.

[0009] Preferably, a groove is provided on the inner wall of each side plate, and a slider is slidably disposed in the groove, with one end of the movable plate fixedly connected to the slider.

[0010] Preferably, the adjustment mechanism includes a longitudinal adjustment rod fixed to the bottom of the movable plate, a transverse adjustment rod arranged perpendicular to the longitudinal adjustment rod, and a roller rotatably disposed at one end of the transverse adjustment rod. The outer end of the fixed block is inclined, and the roller abuts against the inclined end face of the fixed block. Elongated holes are respectively opened on the transverse adjustment rod and the longitudinal adjustment rod. The transverse adjustment rod and the longitudinal adjustment rod are respectively secured by bolts passing through the elongated holes and fastened with nuts.

[0011] Preferably, the horizontal adjusting rod and the vertical adjusting rod are respectively provided with scales.

[0012] Preferably, a laser alignment device is provided at the bottom of the partition block.

[0013] Preferably, the upper surface of the workbench has two openings, and a groove communicating with the two openings is formed inside the groove. A bidirectional threaded rod is rotatably provided in the groove. Each threaded segment of the bidirectional threaded rod is provided with a moving block that is threadedly engaged with it. A clamping plate is fixed on the top of the moving block. One end of the bidirectional threaded rod extends rotatably out of the workbench and is connected to a drive motor.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. By using a laser alignment instrument and an adjustable clamping mechanism, the center of the target material and the backing plate is ensured, thereby improving welding accuracy and quality.

[0016] 2. The design of the adjustment mechanism enables the device to adapt to targets of different sizes, improving the versatility of the equipment and production flexibility.

[0017] 3. The use of electric telescopic poles and drive motors simplifies the operation process, reduces manual intervention, and improves production efficiency.

[0018] 4. The design of the sliding groove and the slider, as well as the application of the compression spring, ensures the stability of the clamping mechanism during movement and avoids welding errors caused by vibration or offset. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] The following components are labeled in the diagram: 1. Side plate, 2. Slide groove, 3. Lateral adjustment rod, 4. Slider, 5. Electric telescopic rod, 6. Top plate, 7. Moving plate, 8. Limiting block, 9. Moving block, 10. Compression spring, 11. Crossbar, 12. Divider block, 13. Hanging rod, 14. Fixing block, 15. Roller, 16. Longitudinal adjustment rod, 17. Bolt, 18. Two-way threaded rod, 19. Moving block, 20. Clamping plate, 21. Laser alignment instrument, 22. Clamping plate, 23. Drive motor, 24. Worktable. Detailed Implementation

[0021] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0022] Example 1

[0023] An auxiliary target material and backplate brazing positioning and centering device, such as Figure 1 As shown, the system includes a worktable 24, with side plates 1 on both sides of the worktable 24. A top plate 6 is connected between the tops of the two side plates 1. A crossbar 11 is provided inside the frame formed by the top plate 6 and the side plates 1. Clamping mechanisms are provided at both ends of the crossbar 11. The clamping mechanisms include a moving block 9, a hanging rod 13, a fixed block 14, and a clamping plate 22 connected from top to bottom. A partition block 12 is fixed at the middle position of the crossbar 11. The two clamping plates 22 are equidistant from the partition block 12. A laser alignment instrument 21 is provided at the bottom of the partition block 12. The laser alignment instrument 21 is used to center the back plate and the center of the worktable 24. Compression springs 10 are respectively sleeved on the crossbar 11 between the moving block 9 and the partition block 12. The clamping plates 22 are fixed on the opposite sides of the fixed block 14. The partition block 12 is located in the middle position of the two clamping mechanisms.

[0024] Movable plates 7 are connected to both ends of the clamping mechanism, and limit blocks 8 are connected to both ends of the crossbar 11. One end of the movable plate 7 is fixedly connected to the limit block 8. A sliding groove 2 is provided on the inner wall of each side plate 1, and a slider 4 slides in the sliding groove 2. One end of the movable plate 7 is fixedly connected to the slider 4. The cooperation between the sliding groove 2 and the slider 4 makes the adjustment mechanism and the clamping mechanism more stable when they move downward under the drive of the electric telescopic rod 5. An adjustment mechanism is provided at the bottom of the movable plate 7 outside the clamping mechanism. The adjustment mechanism includes a longitudinal adjustment rod 16 fixed to the bottom of the movable plate 7, a transverse adjustment rod 3 arranged perpendicular to the longitudinal adjustment rod 16, and a roller 15 rotatably provided at one end of the transverse adjustment rod 3. The outer end of the fixed block 14 is inclined, and the roller 15 abuts against the inclined end face of the fixed block 14. An elongated hole is provided on the transverse adjustment rod 3 and the longitudinal adjustment rod 16. Bolts 17 are inserted into the elongated holes of the transverse adjustment rod 3 and the longitudinal adjustment rod 16 and fastened with nuts. The horizontal adjusting rod 3 and the vertical adjusting rod 16 are respectively marked with scales. By loosening the nut, the positions of the horizontal adjusting rod 3 and the vertical adjusting rod 16 can be adjusted, thereby adjusting the up-down or left-right movement of the roller 15, and then adjusting the position between the two fixed blocks 14. This allows for the clamping of targets of different sizes. According to the scales on the horizontal adjusting rod 3 and the vertical adjusting rod 16, during adjustment, the horizontal adjusting rod 3 and the vertical adjusting rod 16 should move the same distance, so that the two clamping plates 22 move the same distance, ensuring that the center of the clamped target is always aligned with the center of the back plate, maintaining precise alignment and positioning during welding.

[0025] Electric telescopic rods 5 are provided at both ends of the top plate 6. The cylinder of the electric telescopic rod 5 is fixed on the top plate 6, and its telescopic end extends downward and is connected to the top of the movable plate 7.

[0026] Two openings are provided on the upper surface of the workbench 24, and grooves communicating with the two openings are provided inside the grooves. A bidirectional threaded rod 18 is rotatably provided in the grooves. Each threaded segment of the bidirectional threaded rod 18 is provided with a moving block 19 that is threadedly engaged with it. A clamping plate 20 is fixed on the top of the moving block 19. One end of the bidirectional threaded rod 18 extends out of the workbench 24 and is connected to a drive motor 23. The two threaded segments on the bidirectional threaded rod 18 are opposite. While the drive motor 23 drives the bidirectional threaded rod 18 to rotate, the two clamping plates 20 move the same distance. This ensures that the back plate can be clamped between the two clamping plates 20 without moving the center of the back plate, thereby ensuring stable welding of the back plate and the target material.

[0027] In use, place the back plate on the worktable 24, ensuring it is centered. Start the drive motor 23 to rotate the bidirectional threaded rod 18, moving the two clamping plates 20 towards the center, clamping the back plate between them, ensuring the back plate's center does not move. Place the target between the clamping plates 22 of the clamping mechanism. Loosen the nuts on the transverse adjusting rod 3 and the longitudinal adjusting rod 16 using the adjustment mechanism, adjusting the position of the roller 15 according to the scale to ensure the two clamping plates 22 move the same distance, ensuring the target's center is aligned with the back plate's center. Start the laser alignment instrument 21 to observe whether the laser beam accurately illuminates the center of the back plate and the worktable 24. If there is a deviation, fine-tune the position of the clamping mechanism until the laser alignment instrument 21 displays accurate alignment. After ensuring accurate alignment between the target and the back plate, start the electric telescopic rod 5 to move the clamping mechanism downwards, bringing the target and back plate into close contact. Perform brazing to ensure welding quality. After welding is completed, release the clamping mechanism and clamping plate 20, and remove the welded component. Clean the worktable 24 and the device, and prepare for the next operation.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A brazing positioning and centering device for auxiliary target material and backing plate, characterized in that, The utility model provides a workbench, both sides of the workbench are equipped with side plates, the top of the two side plates is connected with a top plate, a crossbar is arranged in the frame formed by the top plate and the side plates, clamping mechanisms are arranged at both ends of the crossbar, moving plates are connected to both ends of the clamping mechanisms, adjusting mechanisms are arranged at the bottom of the moving plates outside the clamping mechanisms, electric telescopic rods are arranged at both ends of the top plate, the cylinder of the electric telescopic rod is fixed on the top plate, and the telescopic end extends downward and is connected to the top of the moving plate. The clamping mechanism comprises, from top to bottom, a moving block, a hanger rod, a fixed block and a clamping plate, a partition block is fixed at the middle position of the crossbar, compression springs are arranged on the crossbar between the moving block and the partition block, the clamping plate is fixed to the opposite side of the fixed block, and the partition block is located at the middle position of the two clamping mechanisms.

2. The auxiliary target and backing plate brazing alignment apparatus of claim 1, wherein: Limiting blocks are connected to both ends of the crossbar, and one end of the moving plate is fixedly connected with the limiting block.

3. The auxiliary target and backing plate brazing alignment apparatus of claim 1, wherein: Sliding grooves are formed in the inner walls of each side plate, and sliding blocks are slidably arranged in the sliding grooves, and one end of the moving plate is fixedly connected with the sliding block.

4. The auxiliary target and backing plate brazing alignment apparatus of claim 1, wherein: The adjusting mechanism comprises a longitudinal adjusting rod fixed to the bottom of the moving plate, a transverse adjusting rod arranged perpendicularly to the longitudinal adjusting rod, a roller rotatably arranged at one end of the transverse adjusting rod, and the outer end of the fixed block is arranged obliquely, the roller is in abutment with the inclined end surface of the fixed block, long circular holes are formed in the transverse adjusting rod and the longitudinal adjusting rod, and the transverse adjusting rod and the longitudinal adjusting rod are fastened by being screwed with bolts in the long circular holes and by using nuts.

5. The auxiliary target and backing plate brazing alignment apparatus of claim 4, wherein: Scales are arranged on the transverse adjusting rod and the longitudinal adjusting rod.

6. The auxiliary target and backing plate brazing alignment apparatus of claim 1, wherein: A laser centering instrument is arranged at the bottom of the partition block.

7. The auxiliary target and backing plate brazing alignment apparatus of claim 1 or 6, wherein: Two openings are formed in the upper surface of the workbench, a recess is formed in the workbench and communicates with the two openings, a bidirectional threaded rod is rotatably arranged in the recess, movement blocks are arranged on each threaded section of the bidirectional threaded rod in threaded cooperation, clamping plates are fixed to the top of the movement blocks, and one end of the bidirectional threaded rod extends out of the workbench and is connected with a driving motor.

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