Auxiliary fixture for welding and positioning four-way valve pipe group

Abstract

The utility model discloses an auxiliary fixture for welding and positioning a four-way valve pipe group, which comprises a bottom plate, a vertical frame, a positioning fixture mechanism, a vertical plate, a polishing and deslagging mechanism and a positioning mechanism, and the positioning fixture mechanism comprises a hydraulic rod support, a lifting hydraulic rod, a rotating block, a rotating plate, a driven plate, a support and a pipe group clamping plate. The grinding and deslagging mechanism comprises a grinding motor, a rotating frame, a supporting ring, a telescopic hydraulic rod and a grinding block. The positioning mechanism comprises a connecting plate, a winding shaft, a winding motor, a lifting belt, a fixed pulley, a lifting plate and a positioning supporting plate. The utility model belongs to the technical field of four-way valve pipe clamps. Four-way valve pipes with different pipe diameters can be automatically clamped and prevented from slipping through opening and closing of pipe group clamping plates. A supporting ring can be driven to rotate by starting a grinding motor, so that the welding point of the welded four-way valve pipe can be conveniently and automatically ground and deslagged through a grinding block; and the winding motor is started to conveniently drive the four-way valve pipe group on the positioning support plate to move so as to facilitate positioning and supporting.

Description

Technical Field

[0001] The utility model belongs to the technical field of four-way valve pipe clamps, and specifically refers to an auxiliary clamp for welding and positioning of a four-way valve pipe group. Background Art

[0002] A four-way valve is a control valve with four oil ports and is an important component in an air-conditioning system. It consists of a main valve, a pilot valve, and an electromagnetic coil. The main valve is controlled by the pilot valve, and the differential pressure is used to switch the action, with flexible and reliable commutation. The valve body component is the main component of the four-way valve, and the welding quality of the valve body component directly affects the quality and performance of the four-way valve.

[0003] When welding the existing four-way valve pipe group, an auxiliary clamp is required to position and reinforce the four-way valve pipe group to prevent the four-way valve pipe group from shifting during welding and affecting the welding accuracy. However, the traditional positioning clamp is inconvenient to adapt to four-way valve pipe groups with different pipe diameters, which easily causes the four-way valve pipe group to slip during welding. Moreover, it is inconvenient to grind and remove slag at the welding point after welding the four-way valve pipe group. Therefore, there is an urgent need for an auxiliary clamp for welding and positioning of a four-way valve pipe group to solve the above problems. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing clamp for welding a four-way valve pipe group is inconvenient to adapt to four-way valve pipes with different pipe diameters to prevent them from slipping and shifting during the welding process, and at the same time, it is inconvenient to be equipped with a grinding and slag-removing structure for the welded four-way valve pipe to clean the welding point.

[0005] To achieve the above functions, the technical solution adopted by the utility model is as follows: An auxiliary clamp for welding and positioning of a four-way valve pipe group includes a bottom plate, and a vertical frame fixedly arranged on the bottom plate. It further includes a positioning clamp mechanism, the positioning clamp mechanism is arranged on the top of the vertical frame, a vertical plate is fixedly connected to the bottom plate, and it further includes a grinding and slag-removing mechanism, the grinding and slag-removing mechanism is arranged on the vertical plate, and it further includes a positioning mechanism, the positioning mechanism is arranged on the top of the vertical frame.

[0006] To smoothly achieve the purpose of facilitating the clamping and anti-slip of four-way valve pipe groups with different pipe diameters, the positioning clamp mechanism includes a hydraulic rod support fixedly connected to the top wall of the vertical frame, a lifting hydraulic rod is fixedly connected to the hydraulic rod support, the telescopic end of the lifting hydraulic rod is connected with a rotating block, the bottom of the rotating block is rotatably connected with a rotating plate, the other end of the rotating plate is rotatably connected with a driven plate, the other end of the driven plate is rotatably connected with a bracket fixedly connected to the bottom of the hydraulic rod support, and pipe group clamping plates are fixedly connected to the edge of the driven plate.

[0007] In order to smoothly achieve the purpose of facilitating the grinding and slag removal of the welding points of the four-way valve pipe group after welding, the grinding and slag removal mechanism includes a grinding motor fixedly connected to the side wall of the vertical plate. The output end of the grinding motor is connected to a rotating frame, and a support ring is fixedly connected to the rotating frame. A telescopic hydraulic rod is fixedly connected to the inner side wall of the support ring, and a grinding block is connected to the telescopic end of the telescopic hydraulic rod.

[0008] In order to achieve the purpose of facilitating the positioning and support of the four-way valve pipe group, the positioning mechanism includes a connecting plate fixedly connected to the top of the vertical frame. A winding shaft is rotatably connected between the two side walls of the connecting plate. A winding motor for driving the winding shaft to rotate is fixedly connected to one side wall of the connecting plate. A lifting belt is wound around the winding shaft. A fixed pulley rotatably connected to the vertical frame is slidably provided on the lifting belt. The end of the lifting belt is fixedly provided with a lifting plate slidably connected to the side wall of the vertical frame, and a positioning support plate is fixedly connected to the lifting plate.

[0009] Further, a support soft pad is fixedly connected to the inner wall of the pipe group clamping plate, and a sliding groove for sliding connection with the lifting plate is provided on the side wall of the vertical frame.

[0010] Further, the pipe group clamping plates are symmetrically arranged at both ends of the bracket, the lifting belts are symmetrically arranged at both ends of the winding shaft, and the fixed pulleys are symmetrically arranged at both ends of the vertical frame.

[0011] Preferably, the bottom plate is arranged in an H shape, the vertical frame is arranged in an inverted U shape, the vertical plate is arranged in an L shape, the support ring is arranged in a circular ring shape, and the lifting plate is arranged in a cross shape.

[0012] The beneficial effects obtained by the present utility model adopting the above structure are as follows:

[0013] 1. By turning on the lifting hydraulic rod to make it expand and contract to drive the pipe group clamping plate to open and close, it is convenient to automatically clamp and prevent the four-way valve pipes with different diameters from slipping;

[0014] 2. By turning on the grinding motor, the support ring can be driven to rotate, so as to conveniently grind and remove slag from the welding points of the four-way valve pipes after welding through the grinding block;

[0015] 3. By turning on the winding motor to drive the lifting belt to wind and unwind, it is convenient to drive the four-way valve pipe group on the positioning support plate to move for convenient positioning and support. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic structural diagram of an auxiliary fixture for welding and positioning of a four-way valve pipe group proposed in this scheme;

[0017] Figure 2 FIG. is a schematic structural diagram of another angle of an auxiliary fixture for welding and positioning of a four-way valve pipe group proposed in this scheme;

[0018] Figure 3 A cross-sectional view of an auxiliary fixture for welding and positioning a four-way valve pipe group proposed in this solution;

[0019] Figure 4 Another perspective cross-sectional view of an auxiliary fixture for welding and positioning a four-way valve pipe group proposed in this solution.

[0020] Among them, 1. Bottom plate; 2. Vertical frame; 3. Positioning fixture mechanism; 4. Vertical plate; 5. Grinding and slag removal mechanism; 6. Positioning mechanism; 7. Hydraulic rod support; 8. Lifting hydraulic rod; 9. Rotating block; 10. Rotating plate; 11. Driven plate; 12. Bracket; 13. Pipe group clamping plate; 14. Grinding motor; 15. Rotating frame; 16. Support ring; 17. Telescopic hydraulic rod; 18. Grinding block; 19. Connecting plate; 20. Take-up reel; 21. Take-up motor; 22. Lifting belt; 23. Fixed pulley; 24. Lifting plate; 25. Positioning support plate.

[0021] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] As Figure 1-2 shown, in order to achieve the above functions, the technical solutions adopted by the present utility model are as follows: An auxiliary fixture for welding and positioning a four-way valve pipe group includes a bottom plate 1, the bottom plate 1 is arranged in an H shape, and a vertical frame 2 fixedly arranged on the bottom plate 1, the vertical frame 2 is arranged in an inverted U shape, and further includes a positioning fixture mechanism 3, the positioning fixture mechanism 3 is arranged on the top of the vertical frame 2, a vertical plate 4 is fixedly connected to the bottom plate 1, the vertical plate 4 is arranged in an L shape, and further includes a grinding and slag removal mechanism 5, the grinding and slag removal mechanism 5 is arranged on the vertical plate 4, and further includes a positioning mechanism 6, the positioning mechanism 6 is arranged on the top of the vertical frame 2.

[0024] As Figure 3As shown, the positioning fixture mechanism 3 includes a hydraulic rod support 7 fixedly connected to the top wall of the vertical frame 2. A lifting hydraulic rod 8 is fixedly connected to the hydraulic rod support 7. The telescopic end of the lifting hydraulic rod 8 is connected to a rotating block 9. The bottom of the rotating block 9 is rotatably connected to a rotating plate 10. The other end of the rotating plate 10 is rotatably connected to a driven plate 11. The other end of the driven plate 11 is rotatably connected to a support 12 fixedly connected to the bottom of the hydraulic rod support 7. A pipe group clamp 13 is fixedly connected to the edge of the driven plate 11. A support soft pad is fixedly connected to the inner wall of the pipe group clamp 13. The pipe group clamps 13 are symmetrically arranged at both ends of the support 12.

[0025] As Figure 2 , 4 As shown, the grinding and slag removal mechanism 5 includes a grinding motor 14 fixedly connected to the side wall of the vertical plate 4. The output end of the grinding motor 14 is connected to a rotating frame 15. A support ring 16 is fixedly connected to the rotating frame 15. The support ring 16 is arranged in a circular ring shape. A telescopic hydraulic rod 17 is fixedly connected to the inner side wall of the support ring 16. The telescopic end of the telescopic hydraulic rod 17 is connected to a grinding block 18.

[0026] As Figure 1 , 4 As shown, the positioning mechanism 6 includes a connecting plate 19 fixedly connected to the top of the vertical frame 2. A winding shaft 20 is rotatably connected between the two side walls of the connecting plate 19. A winding motor 21 for driving the winding shaft 20 to rotate is fixedly connected to one side wall of the connecting plate 19. A lifting belt 22 is wound around the winding shaft 20. The lifting belts 22 are symmetrically arranged at both ends of the winding shaft 20. A fixed pulley 23 rotatably connected to the vertical frame 2 is slidably arranged on the lifting belt 22. The fixed pulleys 23 are symmetrically arranged at both ends of the vertical frame 2. The end of the lifting belt 22 is fixedly provided with a lifting plate 24 slidably connected to the side wall of the vertical frame 2. A sliding groove for sliding connection with the lifting plate 24 is provided on the side wall of the vertical frame 2. The lifting plate 24 is arranged in a cross shape. A positioning support plate 25 is fixedly connected to the lifting plate 24.

[0027] During specific use, the user places the four-way valve pipe group to be welded on the positioning support plate 25, and then starts the winding motor 21 to drive the lifting belt 22 to wind and reel on the winding shaft 20. Then, the lifting plate 24 moves upward along the sliding groove, driving the four-way valve pipe group to rise. When it moves between the two pipe group clamping plates 13, start the lifting hydraulic rod 8 to make it extend, driving the rotating plate 10 to rotate relative to the rotating block 9. At the same time, the two driven plates 11 rotate relative to each other, driving the two pipe group clamping plates 13 to merge and firmly clamp the four-way valve pipe group, so as to facilitate the auxiliary positioning for the subsequent welding process. After the welding is completed, move the welding point of the four-way valve pipe group between the two grinding blocks 18, and at the same time clamp the four-way valve pipe group through the pipe group clamping plate 13. Then start the two telescopic hydraulic rods 17 to make them extend, driving the grinding blocks 18 to move and fit with the pipe group welding point. Then start the grinding motor 14 to drive the rotating frame 15 and the support ring 16 to rotate. At the same time, the grinding blocks 18 rotate to grind and remove slag at the pipe group welding point. The above is the entire usage process of the auxiliary fixture for the welding positioning of the four-way valve pipe group.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0030] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the creative purpose of the present invention, design similar structural manners and embodiments to this technical solution without creative efforts, they should all fall within the protection scope of the present invention.

Claims

1. A four-way valve pipe assembly welding positioning auxiliary fixture, comprising a base plate and a stand fixedly arranged on the base plate, characterized in that: It also includes a positioning fixture mechanism, which is arranged on the top of the stand, and the stand is fixedly connected to the bottom plate. It also includes a grinding and slag removal mechanism, which is arranged on the stand, and a positioning mechanism, which is arranged on the top of the stand.

2. The auxiliary fixture for welding and positioning of a four-way valve pipe assembly according to claim 1, characterized in that: The positioning fixture mechanism includes a hydraulic rod support fixedly connected to the top wall of the frame, a lifting hydraulic rod fixedly connected to the hydraulic rod support, a rotating block connected to the telescopic end of the lifting hydraulic rod, a rotating plate rotatably connected to the bottom of the rotating block, a driven plate rotatably connected to the other end of the rotating plate, a bracket fixedly connected to the bottom of the hydraulic rod support at the other end of the driven plate, and a pipe group clamp fixedly connected to the edge of the driven plate.

3. The auxiliary fixture for welding and positioning of a four-way valve pipe assembly according to claim 2, characterized in that: The grinding and slag removal mechanism includes a grinding motor fixedly connected to the side wall of the vertical plate, the output end of the grinding motor is connected to a rotating frame, the rotating frame is fixedly connected to a support ring, a telescopic hydraulic rod is fixedly connected to the inner side wall of the support ring, and the telescopic end of the telescopic hydraulic rod is connected to a grinding block.

4. The auxiliary fixture for welding positioning of a four-way valve pipe assembly according to claim 3 is characterized in that: The positioning mechanism includes a connecting plate fixedly connected to the top of the stand, a winding shaft is rotatably connected between the two side walls of the connecting plate, a winding motor that drives the winding shaft to rotate is fixedly connected to one side wall of the connecting plate, a lifting belt is wound around the winding shaft, a fixed pulley rotatably connected to the stand is slidably provided on the lifting belt, a lifting plate slidably connected to the side wall of the stand is fixedly provided at the end of the lifting belt, and a positioning support plate is fixedly connected to the lifting plate.

5. The auxiliary fixture for welding positioning of a four-way valve pipe assembly according to claim 4, characterized in that: A supporting cushion is fixedly connected to the inner wall of the tube group clamping plate, and a sliding groove which is slidably connected to the lifting plate is provided on the side wall of the stand.

6. The auxiliary fixture for welding and positioning of a four-way valve pipe assembly according to claim 5, characterized in that: The tube group clamps are symmetrically arranged at two ends of the bracket, the lifting belts are symmetrically arranged at two ends of the winding shaft, and the fixed pulleys are symmetrically arranged at two ends of the stand.

7. The auxiliary fixture for welding and positioning of a four-way valve pipe assembly according to claim 6, characterized in that: The bottom plate is arranged in an H shape, the vertical frame is arranged in an inverted U shape, the vertical plate is arranged in an L shape, the support ring is arranged in a circular ring shape, and the lifting plate is arranged in a cross shape.

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