Superconducting tape welding alignment device

Abstract

The utility model belongs to superconducting strip material welding field especially, it is a kind of superconducting strip material welding alignment device, to the existing artificial alignment joint is easy to produce misplacement, the problem of slow operation speed, present and propose the following scheme, including welding machine, its one side inner wall fixed support, and support top is set up to receive the support frame for carrying strip material;Two clamps are symmetrically set on the support frame top, and the clamp is slidably connected with the sliding plate, and the sliding plate is connected with the pressing block through the L-shaped support leg, and the pressing block is located above the strip material receiving area;Two-way screw rod is arranged in the support, and the bottom of the two clamps is respectively connected with the positive and negative screw thread segments of two-way screw rod through nut to form screw thread cooperation;Cylinder drive welding head lifting is arranged in the welding machine, in the utility model, accurate positioning is realized by the mechanical transmission of two-way screw rod and clamp, combined with sliding column and second spring pressure, form the whole-process automation solution from positioning to welding, significantly improve superconducting strip material welding efficiency and yield.

Description

Technical Field

[0001] This utility model relates to the field of superconducting tape welding technology, and in particular to a superconducting tape welding alignment device. Background Technology

[0002] In applications such as long-distance superconducting cable transmission and large superconducting magnets, relatively short superconducting tapes need to be connected together for use. This improves the utilization rate of short superconducting tapes while reducing equipment manufacturing costs. As the tape length increases, the requirements for yield and technology also increase, and the unit price also rises. Therefore, research on high-temperature superconducting tape welding technology is of great significance from both a technical and economic perspective.

[0003] Currently, the most common method for welding superconducting tapes is to directly weld two superconducting tapes together. During tape welding, manual alignment of the joints is commonly used, which not only easily leads to misalignment and increased welding resistance, but also results in slow manual operation and reduced welding efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as the tendency for manual alignment of joints to become misaligned and the slow operation speed, by proposing a superconducting strip welding alignment device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A superconducting tape welding alignment device, comprising: The welding machine has a support fixed to the inner wall of one side, and a support slide is set on the top of the support to support the strip. Two clamping plates are symmetrically arranged above the receiving slide. Sliding plates slide within the clamping plates. The sliding plates are connected to pressure blocks via L-shaped legs. The pressure blocks are located above the strip receiving area. A two-way lead screw is installed inside the support, and the bottom of the two clamping plates are threadedly engaged with the positive and negative thread sections of the two-way lead screw by nuts respectively; The welding machine is equipped with a cylinder to drive the welding head to rise and fall. A connecting sleeve is fitted on the outer wall of the welding head. The connecting sleeve is connected to the pressure plate through a sliding column. A second spring is fitted on the outer wall of the sliding column.

[0006] In one possible design, a slider is provided at the bottom of the clamping plate, and the slider and the receiving slide frame form a lateral sliding engagement; A drive motor is fixed to the top of the support, and the output shaft of the drive motor is connected to the end of the bidirectional lead screw.

[0007] In one possible design, a first spring is provided inside the clamping plate, with both ends of the first spring abutting against the bottom surface of the sliding plate and the inner bottom surface of the clamping plate, respectively. The two ends of the second spring on the outer wall of the sliding column abut against the bottom surface of the connecting sleeve and the top surface of the pressure plate, respectively.

[0008] In one possible design, the vertical section of the L-shaped support leg maintains a clearance fit with the outer wall of the clamping plate, and the end of the horizontal section is fixedly connected to a pressure block. In one possible design, during the descent of the welding head, the pressure plate drives the pressure block to press the strip via a sliding column; When the welding head contacts the strip, the second spring is compressed to buffer the pressure and ensure that the welding contact surface is evenly compressed.

[0009] In one possible design, when the bidirectional lead screw drives the two clamping plates to move toward each other, the pressure block pushes the two sides of the strip to align. During welding, the pressure block maintains continuous pressure on the strip, working in conjunction with the welding head to complete the connection.

[0010] In this application, the strips at both ends are placed on top of the receiving carriage inside the support, and below the pressure block. The controller inside the welding machine energizes the drive motor, and the output shaft of the drive motor drives the bidirectional lead screw to rotate. The positive and negative threaded sections on the outer wall of the bidirectional lead screw respectively drive the two nuts to move closer to each other. The two nuts respectively drive the two clamping plates to move. The two clamping plates move closer to each other and push the misaligned strips to be aligned. The controller energizes the cylinder, and the output shaft of the cylinder pushes the welding head down. The welding head presses down, and during the pressing down of the welding head, it drives the connecting sleeve on the outer wall to move downward. The connecting sleeve and the pressure plate are supported by a second spring. The pressure plate presses on two sliding plates and, as the welding head continues to descend and contact the strip, it presses the two sliding plates downward. The sliding plates press the first spring, causing the first spring to compress. The two connecting sleeves drive the two support legs to move downward, and the support legs correspondingly drive the bottom pressure block to press the strip. After pressing, the strip provides support. At this point, if the welding head does not make contact with the strip, the welding head continues to descend. The second spring is compressed and makes room between the pressure plate and the connecting sleeve until the welding head makes contact with the strip. Then, the welding machine is controlled by the control switch to perform welding through the welding head.

[0011] Beneficial effects: In this utility model, the superconducting strip welding alignment device drives two clamping plates to move synchronously towards each other through the positive and negative threaded sections on the outer wall of the bidirectional screw, which can accurately adjust misaligned strips to an aligned state, effectively solving the problem of low accuracy of manual docking and improving the positioning efficiency before welding. In this utility model, the superconducting strip welding alignment device uses a welding head to press down, and the two sliding columns are linked by the connecting sleeve to drive the pressure plate to apply force synchronously. Combined with the four-point pressing structure formed by the L-shaped support leg and the pressure block, the strip is uniformly pressed for welding. At the same time, the compression characteristics of the second spring can avoid pressure overload and ensure welding quality. In this invention, precise positioning is achieved through mechanical transmission of a bidirectional lead screw and a clamping plate. Combined with the pressure of a sliding column and a second spring, a fully automated solution from positioning to welding is formed, which significantly improves the welding efficiency and yield of superconducting strips. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of a superconducting strip welding alignment device proposed in this utility model; Figure 2 This is a schematic diagram of the structure of a support for a superconducting strip welding alignment device proposed in this utility model; Figure 3 This is a cross-sectional structural diagram of a support for a superconducting tape welding alignment device proposed in this utility model. Figure 4 This is a cross-sectional structural diagram of the connecting sleeve of the superconducting tape welding alignment device proposed in this utility model.

[0013] In the diagram: 1. Welding machine; 2. Support; 3. Clamping plate; 4. Sliding plate; 5. Support leg; 6. Drive motor; 7. Supporting slide; 8. Pressure plate; 9. Pressure block; 10. First spring; 11. Double-acting lead screw; 12. Nut; 13. Welding head; 14. Connecting sleeve; 15. Sliding column; 16. Second spring. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] In one embodiment: Refer to Figure 1 and Figure 2 An alignment device is described, in which a support 2 is bolted to the inner wall of one side of a welding machine 1, and a receiving slide 7 is mounted on the top of the support 2 with countersunk screws. The top plane of the receiving slide 7 is used to support the superconducting strip. Two clamping plates 3 are arranged laterally on the top of the receiving slide 7, and each clamping plate 3 has a longitudinal groove inside. A sliding plate 4 is embedded in the groove to form a vertical guide structure. Two legs 5 are vertically welded to the sides of the sliding plates 4 that are close to each other. The bottoms of the four legs 5 are connected to pressure blocks 9 by threads, and the strip is placed in the pressing area formed by the four pressure blocks 9.

[0016] Reference Figure 3 The support 2 is internally connected to a bidirectional lead screw 11 via bearings. Nuts 12 are bolted to the bottom of two clamping plates 3, with each nut 12 threaded onto a threaded section of the outer wall of the bidirectional lead screw 11. Two sliders are welded to the bottom of the clamping plates 3, sliding through guide holes in the side wall of the receiving slide 7 to form a lateral movement constraint. A drive motor 6 is fixed to the top of the support 2 via a motor bracket, and the output shaft of the drive motor 6 is connected to the end of the bidirectional lead screw 11 via a coupling.

[0017] Reference Figure 4A first spring 10 is installed on the bottom surface of the inner groove of the clamping plate 3. The first spring 10 is a cylindrical helical spring with an elastic coefficient of 50 N / mm and a free length of 20 mm. Its two ends abut against the bottom surface of the sliding plate 4 and the bottom surface of the groove of the clamping plate 3, respectively. The cylinder is fixed inside the welding machine 1 by a bracket. The bottom of the cylinder piston rod is fixedly connected to the welding head 13 by a mounting bracket. The outer wall of the welding head 13 is fixed to the connecting sleeve 14 by an interference fit. Two cylindrical holes are opened in the connecting sleeve 14. The sliding column 15 is embedded in the hole to form a vertical sliding structure. The bottom of the two sliding columns 15 is fixed to the same pressure plate 8 by bolts. A second spring 16 is sleeved on the outer wall of the sliding column 15. The second spring 16 is a cylindrical helical spring with an elastic coefficient of 80 N / mm and a free length of 25 mm. Its two ends abut against the bottom surface of the connecting sleeve 14 and the top surface of the pressure plate 8, respectively, through spring seats.

[0018] Reference Figure 3 The support leg 5 is formed by bending an L-shaped stainless steel plate. The vertical section maintains a 0.5mm gap with the outer wall of the clamping plate 3, and the end of the horizontal section is fixedly connected to the pressure block 9. In this embodiment, the preload of the first spring 10 is set to 8-12mm, and the preload of the second spring 16 is set to 6-10mm to ensure that the pressure block 9 contacts the strip before the welding head 13 during welding.

[0019] refer to Figure 1 and Figure 2 The control system uses a PLC controller. The drive motor 6 is connected to the controller output via a relay, and the cylinder solenoid valve and the start signal of the welding machine 1 are connected to the controller output via an intermediate relay. The control panel is equipped with a dual-button start switch; the program can only be triggered by pressing the motor start and cylinder descent buttons simultaneously. Two pressure sensors are embedded in the top of the receiving slide 7. When the pressure plate 8 reaches the set threshold, the sensors feed back to the controller via an analog module, automatically triggering the welding machine 1 to start welding.

[0020] This application can be used in the field of superconducting tape welding, or in other fields applicable to this application.

[0021] In another embodiment: Reference Figure 1A superconducting strip welding alignment device is applied to the field of superconducting strip welding. The device places the butt joint ends of two superconducting strips on top of the receiving slide 7, ensuring the strip is positioned below the pressure block 9. Pressing the start button activates the PLC controller, causing the relay to engage and driving the motor 6 to rotate. This, in turn, drives the two clamping plates 3 to move towards each other via the bidirectional lead screw 11. During this movement, the clamping plates 3 push the sides of the strip. When the two strips are fully aligned, the motor current increases, triggering a stop signal from the controller. Subsequently, the cylinder solenoid valve is energized, and the piston rod pushes the welding head 13 downwards. The connecting sleeve 14, through the sliding column 15, causes the pressure plate 8 to first contact the sliding plate 4. The pressure plate 8 presses the sliding plate 4 down along the groove of the clamping plate 3, compressing the first spring 10 while simultaneously driving the pressure block 9 to press the strip tightly via the support leg 5. When the welding head 13 contacts the strip surface, the second spring 16 begins to compress. After the pressure sensor detects the set pressure value, the controller cuts off the power to the cylinder solenoid valve and starts the welding machine 1, completing the welding operation.

[0022] However, as is well known to those skilled in the art, the working principles and wiring methods of the welding machine 1 and the drive motor 6 are conventional methods or common knowledge, and will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0023] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A superconducting tape welding alignment apparatus, comprising: include: The welding machine (1) has a support (2) fixedly connected to the inner wall of one side, and a support slide (7) is provided on the top of the support (2) to support the strip. Two clamping plates (3) are symmetrically arranged above the receiving slide (7). The clamping plates (3) are slidably fitted with a sliding plate (4). The sliding plate (4) is connected to the pressure block (9) through an L-shaped support leg (5). The pressure block (9) is located above the strip receiving area. A two-way screw rod (11) is installed inside the support (2), and the bottom of the two clamping plates (3) are connected to the positive and negative thread sections of the two-way screw rod (11) respectively by nuts (12); The welding machine (1) is equipped with a cylinder to drive the welding head (13) to rise and fall. A connecting sleeve (14) is fitted on the outer wall of the welding head (13). The connecting sleeve (14) is connected to the pressure plate (8) through a sliding column (15). A second spring (16) is fitted on the outer wall of the sliding column (15).

2. The superconducting tape welding and alignment device according to claim 1, characterized in that: The bottom of the clamping plate (3) is provided with a slider, which forms a lateral sliding fit with the receiving slide (7); The top of the support (2) is fixedly connected to the drive motor (6), and the output shaft of the drive motor (6) is connected to the end of the bidirectional lead screw (11).

3. A superconducting tape welding and alignment device according to claim 1 or 2, characterized in that: A first spring (10) is provided inside the clamping plate (3), and the two ends of the first spring (10) abut against the bottom surface of the sliding plate (4) and the inner bottom surface of the clamping plate (3), respectively. The two ends of the second spring (16) on the outer wall of the sliding column (15) abut against the bottom surface of the connecting sleeve (14) and the top surface of the pressure plate (8), respectively.

4. The superconducting tape welding alignment device according to claim 3, characterized in that: The vertical section of the L-shaped support leg (5) is fitted with the outer wall of the clamping plate (3) with a clearance, and the end of the horizontal section is fixed with a pressure block (9).

5. The superconducting tape welding and alignment device according to claim 4, characterized in that: During the descent of the welding head (13), the pressure plate (8) drives the pressure block (9) to press the strip through the sliding column (15); When the welding head (13) contacts the strip, the second spring (16) is compressed to achieve pressure buffering, ensuring that the welding contact surface is uniformly pressurized.

6. The apparatus according to claim 5, characterized in that: When the bidirectional lead screw (11) drives the two clamping plates (3) to move towards each other, the pressure block (9) pushes the two sides of the strip to align. During welding, the pressure block (9) maintains continuous pressure on the strip and works with the welding head (13) to complete the connection.

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