Welding tool for heat collecting tube of water heater
By designing the water heater heat collector pipe connection tooling, and using a reducer motor and clamping mechanism, the problems of high-power and high-temperature baking of heat collector pipes are solved, and cost reduction, labor intensity reduction and welding quality improvement are achieved.
Patent Information
- Application Number
- CN202421509134.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-28
AI Technical Summary
During the welding of the heat collecting pipe, two workers are required to cooperate, resulting in an increase in welding costs and an increase in labor intensity. The high-temperature baking during welding is uncomfortable for workers.
A water heater heat collector pipe welding tool is designed, and the speed reduction motor is used instead of manpower to drive the heat collector pipe to rotate, and the stability of the heat collector pipe is improved through the clamping mechanism.
By replacing manpower with machinery, one labor is saved, the welding cost is reduced, labor intensity is reduced, and the welding quality is improved.
Smart Images
Figure CN222767653U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat collecting tube welding tooling, in particular to a heat collecting tube welding tooling for a water heater. Background Art
[0002] See attached Figure 1 The figure shows a heat collecting tube used in a water heater, which includes a main pipe, one end of which is connected to a conical heat collecting plate, and a plurality of branch pipes are arranged on the circumference of the heat collecting plate, wherein the connection between the branch pipes and the heat collecting plate is completed by a welding process.
[0003] At present, the welding process between the solar collector plate and the branch pipe requires the cooperation of two workers. The specific operation steps are to pre-install the branch pipe on the solar collector plate, and then insert the solar collector pipe into a supporting pipe through the main pipe. Then one worker holds a flame gun and a welding rod to weld the joint between the branch pipe and the solar collector plate. After the other worker welds one joint, he needs to promptly rotate the other joint to the front of the welder for welding. However, the problem now is that the temperature generated by the flame gun during welding is very high. The worker responsible for holding the solar collector pipe needs to withstand high-temperature baking for a long time, which causes physical discomfort and increases his own labor intensity. On the other hand, welding by two workers will further increase the number of laborers, which will lead to increased welding costs.
[0004] Therefore, there is an urgent need for a water heater collector tube welding tool to reduce the number of laborers in the welding of the collector tubes, reduce welding costs, and replace the rotation of the collector tubes by manpower to reduce labor intensity. Utility Model Content
[0005] In view of the above technical problems, the utility model provides a water heater collector tube welding tool for solving the problems that the existing collector tube welding requires two workers to work together, thereby increasing the welding cost and requiring manual rotation of the collector tube, resulting in high labor intensity.
[0006] The above technical objectives of the utility model are achieved through the following technical solutions:
[0007] The welding tool for the water heater collector tube comprises a bracket, on which a support tube is rotatably provided, the support tube is used to insert the collector tube, the bracket is provided with a rotating mechanism for rotating the support tube, the rotating mechanism comprises a reduction motor, the bracket is provided with a table top, the table top is provided with a mounting hole, a rotating bearing is installed in the mounting hole, a turntable is fixedly provided at one end of the support tube close to the table top, a rotating shaft is provided at a position corresponding to the center of the rotating bearing, the rotating shaft is inserted in the rotating bearing and extends to the other side of the table top, a linkage wheel is provided on the rotating shaft, the linkage wheel and the output end of the reduction motor are linked by a drive chain, and a clamping mechanism for fixing the collector tube is also provided on the support tube.
[0008] Furthermore, the clamping mechanism comprises two parallel guide walls, blind plates are provided at the ends of the two guide walls, and the blind plate is elastically provided with a clamping block between the two guide walls.
[0009] Furthermore, a guide rail is provided on the inner side of the guide wall, and a guide groove is provided at a position of the clamping block corresponding to the guide rail, and the guide groove is slidably matched with the guide rail.
[0010] Furthermore, an arc-shaped clamping opening is provided on one side of the clamping block close to the heat collecting tube.
[0011] Furthermore, the arc-shaped clamping opening is covered with a heat-insulating rock wool layer.
[0012] Furthermore, a guide hole is formed on the blind plate, a guide rod is provided in the guide hole, and one end of the guide rod is connected to the clamping block.
[0013] Furthermore, the guide rod is located between the clamping block and the blind plate and is sleeved with a spring.
[0014] Furthermore, the clamping mechanism is symmetrically arranged on both sides of the heat collecting tube through the support tube.
[0015] Furthermore, a foot switch is connected to the reduction motor.
[0016] In summary, the beneficial technical effects of the utility model are:
[0017] (1) The use of a reduction motor instead of manpower to drive the rotation of the heat collecting tube clamped in the support tube not only avoids the problem of the rotation personnel being subjected to high temperature for a long time and reduces the labor intensity, but also saves a labor force by replacing manual rotation with machinery, thereby reducing the welding cost. At the same time, the use of a clamping mechanism improves the stability of the heat collecting tube during welding and improves the welding quality of the joint.
[0018] (2) The spring and clamping block can be used to elastically clamp the main pipes of different diameters, thus preventing the problems of slipping and shaking between the support pipe and the main pipe.
[0019] (3) The thermal insulation rock wool layer is used to reduce the rigidity between the clamping block and the main pipe, thereby preventing the clamping block from deforming the main pipe due to excessive rigidity. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the heat collecting tube;
[0021] Figure 2 It is a structural schematic diagram of the utility model;
[0022] Figure 3 It is a structural schematic diagram of the utility model from another angle;
[0023] Figure 4 is a schematic diagram of the clamping mechanism;
[0024] Figure 5 It is a use schematic diagram of the utility model.
[0025] Figure numerals: 1. main pipe; 2. collector plate; 3. connecting pipe; 4. branch pipe; 5. bracket; 6. table; 7. rotating bearing; 8. support pipe; 9. rotating shaft; 10. turntable; 11. reduction motor; 12. foot switch; 13. linkage wheel; 14. guide wall; 15. blind plate; 16. clamping block; 17. guide rail; 18. thermal insulation rock wool layer; 19. guide rod; 20. spring; 21. guide groove. DETAILED DESCRIPTION
[0026] The present invention will be described clearly and completely below in conjunction with the embodiments.
[0027] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0028] In the description of the embodiments, unless otherwise clearly specified and limited, the terms "disposed", "connected" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or it can be connected through an intermediate medium, or it can be a communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] See attached Figure 1, shown is the specific structure of the heat collecting tube, which is provided with a conical heat collecting plate 2, on which a plurality of heat collecting holes are opened on the circumference, and a branch pipe 4 is inserted in each heat collecting hole. A connecting pipe 3 is provided at the other end of the heat collecting plate 2, and a main pipe 1 is welded and fixed to the connecting pipe 3.
[0030] See attached Figure 2-4 , shown is a welding tool for the water heater collector tube, including a bracket 5, a table 6 is provided on the bracket 5, a mounting hole is opened in the center of the table 6, a rotating bearing 7 is installed in the mounting hole, a rotating shaft 9 is passed through the rotating bearing 7, a turntable 10 is provided at one end of the rotating shaft 9, a support tube 8 is welded and fixed in the center of the turntable 10, the length of the support tube 8 is greater than the length of the main tube 1, and clamping mechanisms are symmetrically provided on both sides of the top of the support tube 8. The rotating shaft 9 is located at the inner bottom of the bracket 5 and a linkage wheel 13 is provided. At the same time, a fixing seat is provided on one side of the bracket 5, a reduction motor 11 is installed on the fixing seat, and the reduction motor 11 is provided with a foot switch 12. At the same time, in the linkage A drive chain is provided between the wheel 13 and the output end of the reduction motor 11. During welding, the main pipe 1 of the heat collecting pipe is inserted into the support pipe 8, and then the welder controls the reduction motor 11 to start through the foot switch 12. The reduction motor 11 further drives the support pipe 8 to rotate through the drive chain to realize the overall rotation of the heat collecting pipe. Thus, the manual rotation is replaced by mechanical rotation, which not only saves a labor force and reduces the cost of welding the heat collecting pipe, but also improves the stability of the heat collecting pipe during welding, ensures the welding quality of the joint, and further replaces the labor force by mechanical rotation, avoids high temperature baking during welding, and reduces the labor intensity.
[0031] Furthermore, in order to improve the stability of the support tube 8 during rotation, a gap of 0.5-1 mm is left between the side of the turntable 10 close to the table 6 and the table 6. This gap not only avoids direct contact between the turntable 10 and the table 6, which causes greater friction, but also avoids the swing amplitude of the support tube 8 to the left and right.
[0032] Furthermore, the clamping mechanism includes two guide walls 14 arranged in parallel on the support tube 8, a blind plate 15 is welded to one end of the two guide walls 14 away from the support tube 8, a guide rail 17 is arranged on the guide wall 14 perpendicular to the axial direction of the support tube 8, a clamping block 16 is slidably arranged between the two guide walls 14, a guide groove 21 is provided at the position of the clamping block 16 corresponding to the guide rail 17, the guide groove 21 is slidably matched with the guide rail 17, and an arc-shaped clamping opening is provided on the side of the clamping block 16 close to the support tube 8, and the arc-shaped clamping opening is coated with a heat-insulating rock wool layer 18;
[0033] At the same time, a guide hole is opened at a position of the blind plate 15 near the guide rail 17, and a guide rod 19 is arranged in each guide hole. One end of the guide rod 19 is connected to the clamping block 16, and a spring 20 is installed between the guide rod 19 and the clamping block 16. The spring 20 provides an elastic clamping force for the clamping block 16. When welding, after the main pipe 1 is inserted into the support pipe 8, the two clamping blocks 16 are clamped on both sides of the connecting pipe 3 under the action of the spring 20, thereby clamping and fixing the entire heat collecting pipe, and improving the verticality and stability of the heat collecting pipe during rotation and welding.
[0034] When welding, refer to the attached Figure 5 The heat collecting pipe is inserted into the supporting pipe 8 through the main pipe 1. At this time, the connecting pipe 3 on the heat collecting plate 2 is just located at the position of the clamping block 16. The two clamping blocks 16 are clamped and fixed from both sides of the connecting pipe 3 using arc-shaped clamps under the reverse elastic force of the spring 20. Since the branch pipes 4 are dispersed in an umbrella shape after being inserted into the heat collecting plate 2, which will interfere with normal welding, it is necessary to use cable ties to bring one end of all the branch pipes 4 together, thereby reducing the radius of the virtual circle where the branch pipes 4 are located, thereby ensuring that the welder can normally approach the heat collecting plate 2 for welding. Then, the reduction motor 11 is controlled to rotate by the foot switch 12, and the reduction motor 11 further drives the supporting pipe 8 and the heat collecting pipe to rotate as a whole.
[0035] The above description is only a preferred specific implementation method of the present utility model, and does not limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A welding tool for a water heater heat collecting tube, comprising a bracket (5), on which a support tube (8) is rotatably provided, and the support tube (8) is used for inserting the heat collecting tube, and the bracket (5) is provided with a rotating mechanism for rotating the support tube (8), characterized in that: The rotating mechanism comprises a reduction motor (11); the bracket (5) is provided with a table (6); a mounting hole is provided through the table (6); a rotating bearing (7) is installed in the mounting hole; a turntable (10) is fixedly provided at one end of the support tube (8) close to the table (6); a rotating shaft (9) is provided on the turntable (10) at a position corresponding to the center of the rotating bearing (7); the rotating shaft (9) is inserted into the rotating bearing (7) and extends to the other side of the table (6); a linkage wheel (13) is provided on the rotation shaft (9); the linkage wheel (13) and the output end of the reduction motor (11) are linked via a drive chain; and a clamping mechanism for fixing the heat collecting tube is also provided on the support tube (8).
2. The water heater heat collecting tube welding tool according to claim 1, characterized in that: The clamping mechanism comprises two parallel guide walls (14), the ends of the two guide walls (14) are provided with blind plates (15), and the blind plate (15) is located between the two guide walls (14) and is elastically provided with a clamping block (16).
3. The water heater heat collecting tube welding tool according to claim 2, characterized in that: A guide rail (17) is provided on the inner side of the guide wall (14), and a guide groove (21) is provided on the clamping block (16) at a position corresponding to the guide rail (17), and the guide groove (21) is slidably matched with the guide rail (17).
4. The water heater heat collecting tube welding tool according to claim 2, characterized in that: The clamping block (16) is provided with an arc-shaped clamping opening on one side close to the heat collecting tube.
5. The water heater heat collecting tube welding tool according to claim 4, characterized in that: The arc-shaped clamping opening is coated with a heat-insulating rock wool layer (18).
6. The water heater heat collecting tube welding tool according to claim 2, characterized in that: A guide hole is provided on the blind plate (15), a guide rod (19) is provided in the guide hole, and one end of the guide rod (19) is connected to the clamping block (16).
7. The water heater heat collecting tube welding tool according to claim 6, characterized in that: The guide rod (19) is located between the clamping block (16) and the blind plate (15) and is sleeved with a spring (20).
8. The water heater heat collecting tube welding tool according to claim 1, characterized in that: The clamping mechanism is symmetrically arranged on both sides of the heat collecting tube via a support tube (8).
9. The water heater heat collecting tube welding tool according to claim 1, characterized in that: The reduction motor (11) is connected to a foot switch (12).