Rapid cooling device for welding

Abstract

The utility model relates to the technical field of welding cooling, and provides a welding rapid cooling device which comprises a box body, an overturning assembly is arranged above the box body, the overturning assembly comprises an overturning plate, a clamping unit is arranged on the overturning plate, the clamping unit comprises a round pipe clamping assembly and a square pipe clamping assembly, and the round pipe clamping assembly and the square pipe clamping assembly are arranged on the two opposite plate faces of the overturning plate respectively. The cooling unit comprises a cooling frame, a water cooling assembly and an air cooling assembly, the cooling frame is arranged above the box body, surrounds the outer side of the overturning plate and is not in contact with the overturning plate, and the cooling frame communicates with the water cooling assembly and the air cooling assembly; a liquid collecting groove is formed in the box body below the overturning assembly, a partition plate is arranged at the bottom of the liquid collecting groove, a mounting cavity is reserved in the box body at the bottom of the partition plate, and the water cooling assembly and the air cooling assembly are both arranged in the mounting cavity. According to the cooling device, welding areas of round steel pipes or square steel pipes of different specifications after welding can be rapidly cooled, air cooling and water cooling are combined for cooling, the cooling efficiency is improved, and meanwhile the welding seam quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding cooling, in particular to a welding rapid cooling device. Background Art

[0002] Welding technology is widely used in petrochemical, boiler pipeline, electricity, electronics, construction, automobile, shipbuilding and aerospace industries. Most of the pipelines, that is, stainless steel pipes, are welded by manual welding or automatic argon arc welding. The temperature of the weld is high after welding. In order to ensure the quality of the weld, the temperature of the weld needs to be quickly reduced.

[0003] Traditional methods of rapid cooling after welding generally include water cooling, air cooling, auxiliary material cooling, etc. Water cooling is to inject cooling water into the welding area to quickly reduce the temperature of the welding area, but direct water cooling may cause problems such as cooling stress and weld porosity; air cooling is to blow cooling gas into the welding area to reduce the temperature, which is gentler than water cooling and can reduce cooling stress and porosity problems, but the cooling effect of pure air cooling is poorer than water cooling, the cooling time is too long, and the efficiency is low; and steel pipes include various shapes such as round steel pipes and square steel pipes. General cooling equipment can only cool steel pipes of one shape, and its practicality is poor.

[0004] Therefore, in view of the above problems, a welding rapid cooling device is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model develops a welding rapid cooling device, which can quickly cool the welding area of ​​round steel pipes or square steel pipes of different specifications after welding as needed, and adopts a combination of air cooling and water cooling for cooling, thereby improving the cooling efficiency while ensuring the quality of the weld.

[0006] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0007] A welding rapid cooling device comprises: a box body, a flip assembly is arranged above the box body, the flip assembly comprises a flip plate, a clamping unit is arranged on the flip plate, the clamping unit comprises a round tube clamping assembly and a square tube clamping assembly, the round tube clamping assembly and the square tube clamping assembly are respectively arranged on two plate surfaces opposite to each other of the flip plate; a cooling unit comprises a cooling rack, a water cooling assembly and an air cooling assembly, the cooling rack is arranged above the box body, and is surrounded by the outside of the flip plate and has no contact with the flip plate, the cooling rack is connected with the water cooling assembly and the air cooling assembly; a liquid collecting tank is opened on the box body below the flip assembly, a partition is arranged at the bottom of the liquid collecting tank, an installation cavity is reserved in the box body at the bottom of the partition, and the water cooling assembly and the air cooling assembly are both arranged in the installation cavity.

[0008] Preferably, the flip assembly also includes a flip shaft and a support plate. The flip shaft is horizontally rotatably arranged above the box body, the flip plate is arranged on the flip shaft, and the center line of the flip plate is in the same straight line as the axis of the flip shaft. The flip plate can rotate under the drive of the flip shaft, and a number of through holes are penetrated through the flip plate; the support plate is telescopically arranged in the side panel above the box body and is located below the flip plate, and is used to support the flip plate in a horizontal state.

[0009] Preferably, the round tube clamping assembly includes a round tube placement seat and a round tube clamping seat, the round tube placement seat includes a left placement seat and a right placement seat, the left placement seat and the right placement seat are arranged on the flip plate along the axial direction of the flip axis, and a gap is left between the left placement seat and the right placement seat, the gap is located directly below the cooling rack, and is used to place the welding part of the round tube, and the left placement seat and the right placement seat are both arranged on a curved surface away from the flip plate, for placing the welded round tube to prevent the round tube from rolling off; the left placement seat and the right placement seat are both movably connected to the round tube clamp The holding seat, the round tube clamping seat includes a clamping seat 1 and a clamping seat 2, the clamping seat 1 and the clamping seat 2 are both slidably arranged on the round tube placing seat, and the sliding direction is perpendicular to the axial direction of the flip axis, the clamping seat 1 and the clamping seat 2 are threadedly connected by a two-way screw rod 1, the two-way screw rod 1 is arranged on the flip plate, one end of the two-way screw rod 1 is connected to the output end of the power member 1, and the rotation of the two-way screw rod 1 can drive the clamping seat 1 and the clamping seat 2 to move toward or away from each other, and the opposite side of the clamping seat 1 and the clamping seat 2 is set to an arc surface for clamping the round tube.

[0010] Preferably, the square tube clamping assembly comprises a square tube placing table and a square tube clamping frame, the square tube placing table comprises a left placing table and a right placing table, the left placing table and the right placing table are arranged on a side of the flip plate away from the round tube clamping assembly along the axial direction of the flip axis, and a gap is left between the left placing table and the right placing table, the gap is located directly below the cooling frame, and is used to place the welding part of the square tube; the square tube clamping frame is movably arranged on the left placing table and the right placing table, the square tube clamping frame comprises a clamping frame 1, a clamping frame 2 and a pressing plate, the clamping frame 1 and the clamping frame 2 are both slidably arranged on the square tube placing table, The sliding direction is perpendicular to the axial direction of the flip shaft. The clamping frame one and the clamping frame two are threadedly connected by a two-way screw rod two. The two-way screw rod two is arranged on the flip plate. One end of the two-way screw rod two is connected to the output end of the power component two. The rotation of the two-way screw rod two can drive the clamping frame one and the clamping frame two to move toward or away from each other for clamping the square tube. A sliding groove is provided on the clamping frame one or the clamping frame two. A screw is rotatably arranged in the sliding groove. The axis of the screw is perpendicular to the axis of the two-way screw rod two and the axis of the flip shaft. The screw is threadedly connected to a pressure plate. The pressure plate can move along the length direction of the screw for pressing the square tube.

[0011] Preferably, the interior of the cooling rack is hollow and has at least two pipelines, one connecting the water cooling component to form a water cooling channel, and the other connecting the air cooling component to form an air cooling channel. A plurality of air outlets and water outlets are arranged on one side of the cooling rack close to the flip plate. The air outlet is connected to the air cooling channel, and the water outlet is connected to the water cooling channel. The opening directions of the plurality of air outlets and water outlets are all toward the flip plate.

[0012] Preferably, a water hole is provided on the partition at the bottom of the liquid collecting tank, and a filter screen is provided on the water hole.

[0013] Preferably, the water cooling assembly includes a water pump and a chiller, the water inlet of the chiller is connected to the water hole on the partition, the water outlet of the chiller is connected to the water inlet end of the water pump, and the water outlet end of the water pump is connected to the water cooling channel on the cooling rack through a connecting hose.

[0014] Preferably, the air cooling component includes an air compressor, an air tank and a ventilation hose, the output end of the air compressor is connected to the air tank, and the outlet of the air tank is connected to the air cooling channel through the ventilation hose.

[0015] Preferably, an opening and closing door panel is provided on the box body, located on one side of the installation cavity; and supporting feet or movable wheels are provided at the bottom of the box body.

[0016] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages:

[0017] 1. The utility model provides a round tube clamping assembly and a square tube clamping assembly. The round tube clamping assembly is used to clamp the round steel tube after welding, and the square tube clamping assembly is used to clamp the square or rectangular steel tube after welding. The assembly can be selected according to processing needs, so that the steel tubes of different shapes and sizes can be quickly cooled after welding on the same device, thereby improving the practicality of the device.

[0018] 2. The utility model sets a flip assembly, and sets the round tube clamping assembly and the square tube clamping assembly on the front and back sides of the flip plate of the flip assembly respectively. The clamping function of the round tube or square tube is replaced by rotating the flip plate, which is more efficient. The support plate is telescopically arranged on the box body to support the flip plate and avoid affecting the flipping of the flip plate, thereby improving the stability of the device when in use;

[0019] 3. The utility model realizes water cooling and air cooling alternately to cool the steel pipe welding point by setting a cooling unit, first air cooling and then water cooling, avoiding the cooling stress and air hole problems that may occur in simple water cooling, or the problem of low efficiency of simple air cooling, thereby improving the cooling quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0021] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of an embodiment of the utility model;

[0023] Figure 3 It is a schematic diagram of a side view of a partial cross-sectional structure of an embodiment of the utility model;

[0024] Figure 4 It is a structural schematic diagram of a round tube clamping seat according to an embodiment of the utility model.

[0025] In the figure, 1. box body; 2. flip plate; 3. cooling rack; 4. liquid collecting tank; 5. partition; 6. flip shaft; 7. support plate; 8. through hole; 9. side plate; 10. left placement seat; 11. right placement seat; 12. clamping seat one; 13. clamping seat two; 14. two-way screw one; 15. left placement table; 16. right placement table; 17. clamping frame one; 18. clamping frame two; 19. pressure plate; 20. two-way screw two; 21. screw; 22. water cooling channel; 23. air cooling channel; 24. air outlet; 25. water outlet; 26. water hole; 27. filter; 28. water pump; 29. ​​chiller; 30. connecting hose; 31. air compressor; 32. gas tank; 33. ventilation hose; 34. opening and closing door panel; 35. support foot. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figure 1-4As shown, the utility model provides a technical solution: a welding rapid cooling device, comprising: a box body 1, a flip assembly is arranged above the box body 1, the flip assembly includes a flip plate 2, a clamping unit is arranged on the flip plate 2, the clamping unit includes a round tube clamping assembly and a square tube clamping assembly, the round tube clamping assembly and the square tube clamping assembly are respectively arranged on two opposite plate surfaces of the flip plate 2; a cooling unit, comprising a cooling rack 3, a water cooling assembly and an air cooling assembly, the cooling rack 3 is arranged above the box body 1, and the cooling rack 3 is arranged in an arc shape, surrounded by the outside of the flip plate 2 and has no contact with the flip plate 2, the cooling rack 3 is internally connected to the water cooling assembly and the air cooling assembly, and is used to spray water and air to the steel pipe welding position to cool the weld; a liquid collecting tank 4 is opened on the box body 1 below the flip assembly, a partition 5 is arranged at the bottom of the liquid collecting tank 4, and an installation cavity is reserved in the box body 1 at the bottom of the partition 5, and the water cooling assembly and the air cooling assembly are both arranged in the installation cavity.

[0028] In this embodiment, the flip assembly also includes a flip shaft 6 and a support plate 7. The flip shaft 6 is horizontally rotated and arranged above the box body 1. The flip plate 2 is arranged on the flip shaft 6, and the center line of the flip plate 2 is in the same straight line as the axis of the flip shaft 6. The flip plate 2 can rotate driven by the flip shaft 6; in another embodiment, the flip shaft 6 can also be fixed on the box body 1, and the flip plate 2 rotates around the flip shaft 6. A number of through holes 8 are penetrated on the flip plate 2, and the through holes 8 are used to facilitate the cooling water to flow back to the liquid collection tank 4; the support plate 7 is telescopically arranged in the side plate 9 above the box body 1 through an electric push rod, and is located below the flip plate 2 in a horizontal state, and is used to support the flip plate 2 in a horizontal state. The telescopic direction of the support plate 7 is parallel to the axis direction of the flip shaft 6, and the support plate 7 is symmetrically arranged about the axis of the flip shaft 6 to provide stable support, thereby improving the stability of the device.

[0029] In the present embodiment, the round tube clamping assembly includes a round tube placing seat and a round tube clamping seat, the round tube placing seat includes a left placing seat 10 and a right placing seat 11, the left placing seat 10 and the right placing seat 11 are arranged on the flip plate 2 along the axial direction of the flip axis 6, and a gap is left between the left placing seat 10 and the right placing seat 11, the gap is located directly below the cooling rack 3, and is used to place the weld seam of the round tube after welding. The left placing seat 10 and the right placing seat 11 are both arranged on a curved surface away from the flip plate 2, which are used to place the welded round tube. The curved surface prevents the round tube from rolling down, thereby improving the safety of the device; the left placing seat 10 and the right placing seat 11 are both movably connected to the round tube clamping seat, the round tube clamping seat includes a clamping seat 12 and a clamping seat 2 13, the clamping seat 12 and the clamping seat The holding seats 13 are all slidably arranged on the round tube placement seat, and the sliding directions are perpendicular to the axial direction of the flip shaft 6. The clamping seat 12 and the clamping seat 2 13 are threadedly connected by a two-way screw rod 14. The two-way screw rod 14 is rotatably arranged on the flip plate 2. One end of the two-way screw rod 14 is connected to the output end of the power member 1. The power member 1 can select a motor. The rotation of the two-way screw rod 14 can drive the clamping seat 12 and the clamping seat 2 13 to move toward or away from each other, so as to achieve the clamping and fixation of the round steel pipe placed on the round tube placement seat to avoid position change or falling during the cooling process. The opposite side of the clamping seat 12 and the clamping seat 2 13 is set as an arc surface, which is used to fit the outer surface of the round tube to clamp the round tube more stably, thereby improving the stability and safety of the device.

[0030] In this embodiment, the square tube clamping assembly includes a square tube placing table and a square tube clamping frame. The square tube placing table includes a left placing table 15 and a right placing table 16. The left placing table 15 and the right placing table 16 are arranged on the side of the flip plate 2 away from the round tube clamping assembly along the axial direction of the flip shaft 6, and a gap is left between the left placing table 15 and the right placing table 16. The gap is located directly below the cooling rack 3 and is used to place the weld of the square tube after welding; square tube clamping frames are movably arranged on the left placing table 15 and the right placing table 16, and the square tube clamping frames include a clamping frame 17, a clamping frame 18 and a pressing plate 19. The clamping frame 17 and the clamping frame 18 are both slidably arranged on the square tube placing table, and the sliding direction is perpendicular to the axial direction of the flip shaft 6. The clamping frame 17 and the clamping frame 18 are The two-way screw rod 20 is threadedly connected, and the two-way screw rod 20 is rotatably set on the flip plate 2. One end of the two-way screw rod 20 is connected to the output end of the power part 2. The power part 2 can select a motor. The rotation of the two-way screw rod 20 can drive the clamping frame 17 and the clamping frame 2 18 to move toward or away from each other for clamping the square tube. A slide groove is provided on the clamping frame 17 or the clamping frame 2 18, and a screw 21 is rotatably set in the slide groove. One end of the screw 21 is set at the output end of the motor. The motor is set in the slide groove. The axis of the screw 21 is perpendicular to the axis of the two-way screw rod 20 and the axis of the flip shaft 6. The screw 21 is threadedly connected to the pressure plate 19. The pressure plate 19 moves along the length direction of the screw 21 to press the square tube on the square tube placement table, thereby improving the stability of the device when cooling the square tube.

[0031] In another embodiment, a rubber layer is provided on the arc-shaped surfaces opposite to the clamping seat 12 and the clamping seat 2 13, and on the clamping frame 17, the clamping frame 2 18 and the pressure plate 19 on the side close to the square tube placement table, for contacting the surface of the round tube and the square tube to avoid scratches on the steel tube during clamping, and at the same time can increase friction and improve the practicability of the device.

[0032] In this embodiment, the interior of the cooling rack 3 is set to be hollow, and three pipelines are set. The middle one is connected to the air cooling component as the air cooling channel 23, and the two on both sides are connected to the water cooling component as the water cooling channel 22. A plurality of air outlet nozzles 24 and water outlet nozzles 25 are set on the side of the cooling rack 3 close to the flip plate 2. The air outlet nozzle 24 is connected to the air cooling channel 23, and the water outlet nozzle 25 is connected to the water cooling channel 22. The opening directions of the plurality of air outlet nozzles 24 and the water outlet nozzles 25 are all toward the flip plate 2, so as to blow air and spray water to cool the weld. Preferably, air blowing cooling is performed first to avoid cooling stress and air hole problems, and water spraying cooling is performed after air cooling for a period of time, thereby improving the cooling efficiency. The air cooling time can be freely set as needed, thereby improving the practicability of the device.

[0033] In this embodiment, a water hole 26 is opened on the partition 5 at the bottom of the liquid collecting tank 4, and a filter net 27 is set on the water hole 26. Cooling water is pre-stored in the liquid collecting tank 4. At the same time, the liquid collecting tank 4 can collect used cooling water and realize the recycling of cooling water after filtering through the filter net 27, thereby improving economy.

[0034] In this embodiment, the water cooling component includes a water pump 28 and a chiller 29. The water inlet of the chiller 29 is connected to the water hole 26 on the partition 5 through a water pipe, and the water outlet of the chiller 29 is connected to the water inlet end of the water pump 28 through a water pipe. The water outlet end of the water pump 28 is connected to the water cooling channel 22 on the cooling rack 3 through a connecting hose 30 to provide cold water to the water outlet 25. The chiller 29 can use a conventional chiller on the market, which improves the economy of the device.

[0035] In this embodiment, the air cooling component includes an air compressor 31, an air tank 32 and a ventilation hose 33. The output end of the air compressor 31 is connected to the air tank 32 through an air pipe, and a one-way valve is provided on the air pipe so that air can only flow into the air tank 32. A switch valve is provided at the outlet of the air tank 32, and the switch valve is connected to the air cooling channel 23 through the ventilation hose 33 to provide air to the air outlet nozzle 24.

[0036] In this embodiment, an opening and closing door panel 34 is provided on the box body 1, which is located on one side of the installation cavity. Opening the opening and closing door panel 34 can facilitate the inspection and maintenance of the water cooling component and the air cooling component; support feet 35 or moving wheels are provided at the bottom of the box body 1 to facilitate supporting the device or moving the device to any position, thereby improving the practicability of the device.

[0037] Working principle: First, the clamping unit is selected according to whether it is a round tube or a square tube to be cooled. Specifically, the round tube clamping assembly or square tube clamping assembly to be used is placed on the top by rotating the flip plate 2. Before rotating the flip plate 2, the support plate 7 needs to be retracted into the side plate 9 to avoid affecting the rotation of the flip plate 2. When the flip plate 2 is in a horizontal position, the support plate 7 extends to support the flip plate 2; taking the clamping of the round tube as an example, the power part 1 is started to rotate forward, driving the bidirectional screw rod 14 to rotate, so that the clamping seat 12 and the clamping seat 2 13 move in opposite directions, and then the welded round tube is placed on The round tube is placed on the seat, and the weld of the round tube is located in the gap between the left placement seat 10 and the right placement seat 11. The power part is reversed, and the bidirectional screw rod 14 rotates to make the clamping seat 12 and the clamping seat 2 13 move towards each other to fix the position of the round tube; first start the air cooling component, and the air outlet nozzle 24 sprays cooling gas to the weld to perform preliminary cooling of the weld. After a period of time, turn off the air cooling component, start the water cooling component, and the water outlet nozzle 25 sprays cold water to the weld to perform subsequent cooling of the weld. The sprayed cooling water can flow back to the collecting tank 4 through the through hole 8 for recycling.

[0038] The parts not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A welding rapid cooling device, characterized in that: include: A box body, a flip assembly is arranged above the box body, the flip assembly includes a flip plate, a clamping unit is arranged on the flip plate, the clamping unit includes a round tube clamping assembly and a square tube clamping assembly, and the round tube clamping assembly and the square tube clamping assembly are respectively arranged on two opposite plate surfaces of the flip plate; The cooling unit includes a cooling rack, a water cooling assembly and an air cooling assembly. The cooling rack is arranged above the box body and is arranged around the outside of the flip plate and has no contact with the flip plate. The cooling rack is connected to the water cooling assembly and the air cooling assembly. A liquid collecting tank is provided on the box below the flip assembly, a partition is provided at the bottom of the liquid collecting tank, an installation cavity is reserved in the box at the bottom of the partition, and the water cooling assembly and the air cooling assembly are both arranged in the installation cavity.

2. A welding rapid cooling device according to claim 1, characterized in that: The flip assembly also includes a flip shaft and a support plate. The flip shaft is arranged above the box body, and the flip plate is arranged on the flip shaft. The center line of the flip plate and the axis line of the flip shaft are in the same straight line. A number of through holes are opened through the flip plate. The support plate is telescopically arranged in the side plate above the box body and is located below the flip plate, so as to support the flip plate in a horizontal state.

3. A welding rapid cooling device according to claim 2, characterized in that: The round tube clamping assembly includes a round tube placing seat and a round tube clamping seat, the round tube placing seat includes a left placing seat and a right placing seat, the left placing seat and the right placing seat are arranged on the turning plate along the axial direction of the turning axis, and a gap is left between the left placing seat and the right placing seat, the gap is located directly below the cooling rack, and the left placing seat and the right placing seat are both arranged with a curved surface away from the turning plate to prevent the round tube from rolling down; The left placement seat and the right placement seat are both movably connected to the round tube clamping seat, and the round tube clamping seat includes a clamping seat 1 and a clamping seat 2. The clamping seat 1 and the clamping seat 2 are both slidably arranged on the round tube placement seat, and the sliding direction is perpendicular to the axial direction of the flip axis. The clamping seat 1 and the clamping seat 2 are threadedly connected by a two-way screw rod 1, and the two-way screw rod 1 is arranged on the flip plate. One end of the two-way screw rod 1 is connected to the output end of a power part 1. The two-way screw rod 1 rotates to drive the clamping seat 1 and the clamping seat 2 to move toward or away from each other. The opposite side of the clamping seat 1 and the clamping seat 2 is set as an arc surface for clamping the round tube.

4. A welding rapid cooling device according to claim 3, characterized in that: The square tube clamping assembly includes a square tube placing table and a square tube clamping frame. The square tube placing table includes a left placing table and a right placing table. The left placing table and the right placing table are arranged on a side of the flip plate away from the round tube clamping assembly along the axial direction of the flip axis, and a gap is left between the left placing table and the right placing table, and the gap is located directly below the cooling frame; square tube clamping frames are movably arranged on the left placing table and the right placing table, and the square tube clamping frames include a clamping frame 1, a clamping frame 2 and a pressing plate. The clamping frame 1 and the clamping frame 2 are both slidably arranged on the square tube placing table, and the sliding direction is vertical Perpendicular to the axial direction of the flip axis, the clamping frame one and the clamping frame two are threadedly connected by a two-way screw rod two, the two-way screw rod two is arranged on the flip plate, one end of the two-way screw rod two is connected to the output end of the power component two, and the two-way screw rod two rotates to drive the clamping frame one and the clamping frame two to move toward or away from each other, so as to clamp the square tube; a slide groove is provided on the clamping frame one or the clamping frame two, and a screw is rotatably arranged in the slide groove, the axis of the screw is perpendicular to the axis of the two-way screw rod two and the axis of the flip axis, the screw is threadedly connected to a pressure plate, and the pressure plate moves along the length direction of the screw to press the square tube.

5. A welding rapid cooling device according to claim 4, characterized in that: The interior of the cooling rack is hollow and has at least two pipelines, one of which is connected to the water cooling component as a water cooling channel, and the other is connected to the air cooling component as an air cooling channel. A plurality of air outlets and water outlets are arranged on one side of the cooling rack close to the flip plate. The air outlets are connected to the air cooling channel, and the water outlets are connected to the water cooling channel. The opening directions of the plurality of air outlets and water outlets are all toward the flip plate.

6. A welding rapid cooling device according to claim 5, characterized in that: A water hole is arranged on the partition plate at the bottom of the liquid collecting tank, and a filter net is covered on the water hole.

7. A welding rapid cooling device according to claim 6, characterized in that: The water cooling assembly includes a water pump and a chiller. The water inlet of the chiller is connected to the water hole on the partition, the water outlet of the chiller is connected to the water inlet end of the water pump, and the water outlet end of the water pump is connected to the water cooling channel on the cooling rack through a connecting hose.

8. A welding rapid cooling device according to claim 7, characterized in that: The air cooling component includes an air compressor, an air tank and a ventilation hose. The output end of the air compressor is connected to the air tank, and the outlet of the air tank is connected to the air cooling channel through the ventilation hose.

9. A welding rapid cooling device according to claim 8, characterized in that: An opening and closing door panel is arranged on the box body and is located at one side of the installation cavity; and supporting feet or moving wheels are arranged at the bottom of the box body.

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