Heat exchanger welding anti-deformation device
By designing a welding anti-deformation device including components such as fixed plates, fixed frames, and mobile plates, the problem of difficulty in limiting the position of the fin tube during welding is solved, and the stability and accuracy during the welding process is achieved, and the skew and deformation of the fin tube is avoided.
Patent Information
- Application Number
- CN202421731534.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-22
AI Technical Summary
In the prior art, when welding between the fin tube and the heat exchanger, it is difficult to achieve effective limiting, resulting in the fin tube being easily skewed, the welding part being easily deformed, affecting the welding quality.
A welding anti-deformation device including a fixed plate, a fixed frame, a moving plate, a mounting plate, a push plate, a fixed block and a limit groove is designed. Through the cooperation of a screw, a rotating rod and an electric telescopic rod, the stable limit and movement of the fin tube is achieved, ensuring stability during the welding process.
It effectively avoids skew and deformation of the fin tube during welding, improves the stability and quality of welding, and ensures the accuracy of welding between the fin tube and the heat exchanger.
Smart Images

Figure CN222857092U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of anti-deformation devices, in particular to a heat exchanger welding anti-deformation device. Background Art
[0002] A heat exchanger is a heat exchange device. Its main function is to transfer part of the heat of the hot fluid to the cold fluid. This equipment occupies an important position in many industrial production fields such as chemical, petroleum, power, food, etc. It can act as a heater, cooler, condenser, evaporator and reboiler, etc. The application of heat exchangers is very wide.
[0003] Finned tubes are heat exchange elements in heat exchangers. The heat exchanger can increase the surface area for heat exchange through finned tubes, thereby achieving the purpose of improving heat exchange efficiency. When processing the heat exchanger, it is necessary to weld the finned tubes and the plates at the corresponding positions on the heat exchanger to install the finned tubes and the heat exchanger.
[0004] However, the prior art is not conducive to limiting the position of the finned tubes when welding between the finned tubes and the heat exchanger, and workers are required to stabilize the finned tubes. Manual stabilization of the finned tubes by workers is prone to errors, such as skewness of the finned tubes, which can easily cause deformation of the welded portion between the finned tubes and the heat exchanger, making it difficult to weld the finned tubes and the heat exchanger.
[0005] Therefore, we propose a heat exchanger welding anti-deformation device. Utility Model Content
[0006] The utility model aims to provide a heat exchanger welding anti-deformation device to solve the problems raised in the above background technology.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A heat exchanger welding anti-deformation device comprises a fixed plate, a fixed frame is fixed in the middle of both ends of the upper surface of the fixed plate, a movable plate is slidably installed on the inner side of the fixed frame along the vertical direction, a mounting plate is fixed between the opposite surfaces of the movable plate, a baffle is fixed at both ends of the upper surface of the mounting plate, a push plate is slidably installed in the horizontal direction on the upper side of the mounting plate between the opposite surfaces of the baffle, a fixed block is fixed in the middle of one side surface of the mounting plate, a limiting groove is provided in the middle of the upper surface of the fixed block, and the limiting groove runs through the two end surfaces at corresponding positions on the fixed block.
[0009] As a further solution of the utility model: a rotating motor is installed on the inner surface of the bottom of the fixed frame, the output shaft of the rotating motor is facing upward, and a screw is fixed on the upper end of the output shaft of the rotating motor, and the screw is in a vertical state.
[0010] By adopting the above technical solution: the setting of the fixing frame can fix and limit the rotating motor.
[0011] As a further solution of the utility model: the screw rods all penetrate the upper surface and the lower surface of the middle part of the corresponding movable plate, the movable plates are all in a horizontal state, and the corresponding positions on the outer sides of the screw rods are threadedly connected with the middle part of the corresponding movable plate.
[0012] By adopting the above technical solution: the setting of the screw rod helps to move the movable plate, making it easier to use the movable plate.
[0013] As a further solution of the utility model: a vertical rotating rod is fixed to the upper end surface of the screw rod, the rotating rod passes through the inner surface and the outer surface of the corresponding position on the corresponding fixed frame, and the outer ring surface of the rotating rod is rotatably connected to the corresponding position on the corresponding fixed frame through a bearing.
[0014] By adopting the above technical solution: the provision of the rotating rod helps to limit the position of the screw rod, making it easier to rotate the screw rod stably.
[0015] As a further solution of the utility model: a card block is fixed in the middle of the two side surfaces of the movable plate, and a matching card slot is opened on the fixed frame corresponding to the card block, and the card block is slidably connected with the corresponding card slot on the corresponding fixed frame along the vertical direction.
[0016] By adopting the above technical solution: the provision of the card slot and the card block is helpful to limit the position between the fixed frame and the movable plate.
[0017] As a further solution of the utility model: the mounting plate is in a horizontal state, a connecting plate is fixed on a side of the upper surface of the mounting plate away from the fixing block, and an electric telescopic rod is installed on the middle of the surface of the connecting plate away from the push plate.
[0018] By adopting the above technical solution: the setting of the connecting plate can fix and limit the electric telescopic rod.
[0019] As a further solution of the utility model: the electric telescopic rod is in a horizontal state, the output rod of the electric telescopic rod faces the connecting plate and passes through the two side surfaces of the middle of the connecting plate, and the end of the output rod of the electric telescopic rod close to the push plate is fixedly connected to the corresponding position on the opposite surface of the push plate.
[0020] By adopting the above technical solution: the provision of the electric telescopic rod helps to move the push plate in the horizontal direction.
[0021] As a further solution of the utility model: the fixed plate is in a horizontal state, and movable wheels are installed at the four corners of the lower surface of the fixed plate, and the movable wheels are in a vertical state.
[0022] By adopting the above technical solution: the provision of the moving wheels helps to move the fixed plate, making it easier to use the fixed plate.
[0023] Compared with the prior art, the beneficial effects of the utility model are:
[0024] 1. In the utility model, the fixing block can limit the fin tube inside the limiting groove through the limiting groove, which is helpful to limit the fin tube when in use, and is convenient to ensure the stability of the fin tube when welding the fin tube. The fin tube can be prevented from generating errors and skewing during the welding process, and the deformation of the welded part between the fin tube and the heat exchanger can be avoided, which is helpful to weld the fin tube and the heat exchanger.
[0025] 2. In the utility model, when the screw rotates, it can drive the rotating rod to rotate along the fixed frame. When the screw rotates, the movable plate threadedly connected to the screw will move in the vertical direction. When the movable plate moves in the vertical direction, it can drive the mounting plate to move in the vertical direction. When the mounting plate moves in the vertical direction, it can drive the fixed block to move in the vertical direction. When the fixed block moves in the vertical direction, it can drive the fin tube in the limit groove to move in the vertical direction, so that the fin tube corresponds to different heights on the external heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a structural schematic diagram of the utility model;
[0027] Figure 2 This is a schematic diagram of the connecting plate structure of the utility model;
[0028] Figure 3 This is a schematic diagram of the structure of the movable plate of the utility model;
[0029] Figure 4 It is a schematic diagram of the fixed frame structure of the utility model.
[0030] In the figure: 1. fixed plate; 2. moving wheel; 3. fixed frame; 4. moving plate; 5. clamping block; 6. clamping slot; 7. rotating motor; 8. screw rod; 9. rotating rod; 10. mounting plate; 11. baffle plate; 12. connecting plate; 13. electric telescopic rod; 14. push plate; 15. fixed block; 16. limit slot. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] See also Figures 1 to 4 In the embodiment of the utility model, a heat exchanger welding anti-deformation device includes a fixed plate 1, a fixed frame 3 is fixed in the middle of both ends of the upper surface of the fixed plate 1, a movable plate 4 is slidably installed on the inner side of the fixed frame 3 along the vertical direction, a mounting plate 10 is fixed between the opposite surfaces of the movable plate 4, a baffle 11 is fixed at both ends of the upper surface of the mounting plate 10, a push plate 14 is slidably installed on the upper side of the mounting plate 10 along the horizontal direction between the opposite surfaces of the baffle 11, a fixed block 15 is fixed in the middle of one side surface of the mounting plate 10, and a fixed A limiting groove 16 is provided in the middle of the upper surface of the block 15, and the limiting groove 16 runs through the two end surfaces of the corresponding position on the fixed block 15. The fixed block 15 can limit the fin tube inside the limiting groove 16 through the limiting groove 16, which is helpful to limit the fin tube when in use, and is convenient to ensure the stability of the fin tube when welding the fin tube. The fin tube can be avoided from error during welding, the fin tube can be prevented from being skewed, and the deformation of the welded part between the fin tube and the heat exchanger can be avoided, which is helpful to weld the fin tube to the heat exchanger.
[0033] Among them, a rotating motor 7 is installed on the inner surface of the bottom of the fixed frame 3, and the output shaft of the rotating motor 7 is facing upward. A screw 8 is fixed to the upper end of the output shaft of the rotating motor 7, and the screw 8 is in a vertical state. The fixed frame 3 can fix and limit the rotating motor 7; the screw 8 passes through the upper and lower surfaces of the middle part of the corresponding movable plate 4, and the movable plate 4 is in a horizontal state. The corresponding positions on the outer side of the screw 8 are threadedly connected with the middle part of the corresponding movable plate 4, and the screw 8 helps to move the movable plate 4, which is convenient for the use of the movable plate 4.
[0034] A rotating rod 9 in a vertical state is fixed to the upper end surface of the screw 8, and the rotating rod 9 passes through the inner surface and the outer surface of the corresponding position on the corresponding fixed frame 3. The outer ring surface of the rotating rod 9 is rotatably connected with the corresponding position on the corresponding fixed frame 3 through a bearing. The rotating rod 9 helps to limit the screw 8 and facilitates the stable rotation of the screw 8; blocks 5 are fixed to the middle of the two side surfaces of the movable plate 4, and matching slots 6 are opened on the fixed frame 3 corresponding to the blocks 5. The blocks 5 are slidably connected with the corresponding slots 6 on the corresponding fixed frame 3 along the vertical direction, and the slots 6 and the blocks 5 help to limit the fixed frame 3 and the movable plate 4.
[0035] The mounting plate 10 is in a horizontal state, and a connecting plate 12 is fixed to a side of the upper surface of the mounting plate 10 away from the fixing block 15. An electric telescopic rod 13 is installed in the middle of the surface of the connecting plate 12 away from the push plate 14, and the connecting plate 12 can fix and limit the electric telescopic rod 13; the electric telescopic rod 13 is in a horizontal state, and the output rod of the electric telescopic rod 13 faces the connecting plate 12 and passes through the two side surfaces of the middle part of the connecting plate 12, and the end of the output rod of the electric telescopic rod 13 close to the push plate 14 is fixedly connected to the corresponding position on the opposite surface of the push plate 14, and the electric telescopic rod 13 helps to move the push plate 14 in the horizontal direction; the fixed plate 1 is in a horizontal state, and moving wheels 2 are installed at the four corners of the lower surface of the fixed plate 1, and the moving wheels 2 are all in a vertical state. The moving wheels 2 help to move the fixed plate 1, which is convenient for the use of the fixed plate 1.
[0036] The working principle of the utility model is: during use, the moving wheel 2 is stably placed at the position where it needs to be used, which helps to stably use the moving wheel 2, the moving wheel 2 can support and limit the fixed plate 1, which is convenient for stably using the fixed plate 1, and the fixed plate 1 can support and limit the fixed frame 3 and the various components assembled on the fixed frame 3, which helps to stably use the fixed frame 3 and the various components assembled on the fixed frame 3.
[0037] The finned tubes that need to be welded are placed on the side of the push plate 14 on the upper surface of the mounting plate 10 away from the connecting plate 12, so that the finned tubes are located between the opposite surfaces of the baffle 11 and are arranged at intervals in the horizontal direction. The electric telescopic rod 13 on the connecting plate 12 is further opened, and the connecting plate 12 can fix and limit the electric telescopic rod 13, which is convenient for the stable use of the electric telescopic rod 13. When the electric telescopic rod 13 is opened, the output rod of the electric telescopic rod 13 can drive the push plate 14 to move in the direction away from the connecting plate 12. When the push plate 14 moves, it can push the finned tubes between the baffles 11 on the upper side of the mounting plate 10 in the direction away from the connecting plate 12, so that the finned tubes away from the connecting plate 12 are pushed into the limiting groove 16 on the fixing block 15, and the fixing block 15 can limit the finned tubes inside the limiting groove 16 through the limiting groove 16.
[0038] The fixed plate 1 is moved by the moving wheel 2, and when the fixed plate 1 moves, it can drive the fixed frame 3 to move. When the fixed frame 3 moves, it can drive the mounting plate 10 to move by rotating the motor 7, the screw 8 and the moving plate 4. When the mounting plate 10 moves, it can drive the fixed block 15 to move. When the fixed block 15 moves, it can drive the fin tube in the limit groove 16 to move, so as to move the fin tube to a position corresponding to the position on the external heat exchanger where welding and installation are required.
[0039] When the fin tubes need to correspond to different heights on the external heat exchanger, the rotating motor 7 on the fixed frame 3 is opened. The fixed frame 3 can fix and limit the rotating motor 7, which is helpful for the stable use of the rotating motor 7. When the rotating motor 7 is turned on, the output shaft of the rotating motor 7 can drive the screw 8 to rotate. When the screw 8 rotates, it can drive the rotating rod 9 to rotate along the fixed frame 3. The fixed frame 3 can limit the screw 8 through the rotating rod 9, which is convenient for the stable rotation of the screw 8. When the screw 8 rotates, the movable plate 4 threadedly connected to the screw 8 will move in the vertical direction. When the movable plate 4 moves in the vertical direction, it can drive the mounting plate 10 to move in the vertical direction. When the mounting plate 10 moves in the vertical direction, it can drive the fixed block 15 to move in the vertical direction. When the fixed block 15 moves in the vertical direction, it can drive the fin tubes in the limiting groove 16 to move in the vertical direction, so that the fin tubes correspond to different heights on the external heat exchanger.
[0040] After the finned tube is adjusted to correspond to the position on the external heat exchanger where welding is required, welding is performed between the finned tube and the position on the external heat exchanger where welding is required. The fixed block 15 can limit the finned tube through the limiting groove 16 to facilitate stable welding of the finned tube, which can avoid the finned tube from being skewed during welding and prevent deformation of the welding position between the finned tube and the external heat exchanger. After the welding between the finned tube and the external heat exchanger is completed, the mounting plate 10 and the fixed block 15 are moved downward by rotating the motor 7, the screw 8 and the moving plate 4, so that the limiting groove 16 on the fixed block 15 is separated from the external finned tube, so that the finned tube on the subsequent mounting plate 10 can be transported to the limiting groove 16 on the fixed block 15, so as to perform welding between the subsequent finned tube and the external heat exchanger.
[0041] During use, it helps to limit the fin tube, ensure the stability of the fin tube when welding the fin tube, avoid errors in the fin tube during welding, prevent the fin tube from being skewed, avoid deformation of the welded part between the fin tube and the heat exchanger, and help to weld the fin tube to the heat exchanger.
[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A heat exchanger welding anti-deformation device, comprising a fixing plate (1), characterized in that: A fixing frame (3) is fixed at the middle of both ends of the upper surface of the fixing plate (1), a movable plate (4) is slidably mounted on the inner side of the fixing frame (3) along the vertical direction, a mounting plate (10) is fixed between the opposite surfaces of the movable plate (4), a baffle (11) is fixed at both ends of the upper surface of the mounting plate (10), a push plate (14) is slidably mounted on the upper side of the mounting plate (10) between the opposite surfaces of the baffle (11), a fixing block (15) is fixed at the middle of one side surface of the mounting plate (10), a limiting groove (16) is provided in the middle of the upper surface of the fixing block (15), and the limiting groove (16) passes through the two end surfaces at corresponding positions on the fixing block (15).
2. The heat exchanger welding anti-deformation device according to claim 1, characterized in that: A rotating motor (7) is installed on the inner surface of the bottom of the fixed frame (3), the output shaft of the rotating motor (7) is facing upward, and a screw rod (8) is fixed on the upper end of the output shaft of the rotating motor (7), and the screw rod (8) is in a vertical state.
3. The heat exchanger welding anti-deformation device according to claim 2, characterized in that: The screw rods (8) all penetrate the upper surface and the lower surface of the middle part of the corresponding moving plate (4), the moving plate (4) is in a horizontal state, and the corresponding positions on the outer sides of the screw rods (8) are threadedly connected to the middle part of the corresponding moving plate (4).
4. The heat exchanger welding anti-deformation device according to claim 3, characterized in that: A rotating rod (9) in a vertical state is fixed to the upper end surface of the screw rod (8), and the rotating rod (9) penetrates the inner surface and the outer surface of the corresponding position on the corresponding fixed frame (3), and the outer ring surface of the rotating rod (9) is rotatably connected to the corresponding position on the corresponding fixed frame (3) through a bearing.
5. The heat exchanger welding anti-deformation device according to claim 4, characterized in that: A clamping block (5) is fixed in the middle of both side surfaces of the movable plate (4), and a matching clamping groove (6) is provided on the fixed frame (3) corresponding to the clamping block (5), and the clamping block (5) is slidably connected with the corresponding clamping groove (6) on the corresponding fixed frame (3) along the vertical direction.
6. The heat exchanger welding anti-deformation device according to claim 5, characterized in that: The mounting plate (10) is in a horizontal state, a connecting plate (12) is fixed to a side of the upper surface of the mounting plate (10) away from the fixing block (15), and an electric telescopic rod (13) is installed in the middle of a side of the connecting plate (12) away from the push plate (14).
7. The heat exchanger welding anti-deformation device according to claim 6, characterized in that: The electric telescopic rod (13) is in a horizontal state, the output rod of the electric telescopic rod (13) faces the connecting plate (12) and penetrates the two side surfaces of the middle part of the connecting plate (12), and one end of the output rod of the electric telescopic rod (13) close to the push plate (14) is fixedly connected to a corresponding position on the opposite surface of the push plate (14).
8. The heat exchanger welding anti-deformation device according to claim 7, characterized in that: The fixed plate (1) is in a horizontal state, and moving wheels (2) are installed at the four corners of the lower surface of the fixed plate (1), and the moving wheels (2) are in a vertical state.