Spray protection welding device

Abstract

The utility model discloses a spray protection welding device, including a water tank, a spray pipe and a nitrogen filling pipe. The nitrogen filling pipe is arranged at the inner top of the water tank, and the nitrogen filling pipe is provided with a plurality of nitrogen filling joints. A welding station is arranged beside the nitrogen filling joint. One end of the spray pipe faces the welding station, and the other end of the spray pipe is connected with a water supply assembly. When in use, the valve to be welded can be installed at the welding station, and the nitrogen filling joint is aligned with the interface of the valve to perform nitrogen protection welding; at the same time, the water supply assembly can supply water to the spray pipe, so that the spray pipe can spray water to the valve arranged at the welding station, avoiding the problem that the water evaporates completely while the welding process is still continuing, with better cooling effect and not easy to damage the valve; the setting of the water tank can collect the water sprayed from the spray pipe to prevent the water from flowing around and affecting the production environment.

Description

Technical Field

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

[0002] In the process of producing heat pump devices, valves and copper pipes need to be welded. The high temperature generated during welding is transmitted to the valve, which will have an adverse effect on the rubber piston, sealing ring and other parts in the valve. Therefore, it is necessary to cool while welding. The conventional cooling method is to wrap a wet cloth or towel around the valve. However, when the welding heat is high, the water evaporates while the welding process continues, which does not achieve a good cooling effect and is easy to damage the valve. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a spray protection welding device.

[0004] According to the spray protection welding device of the embodiment of the utility model, it includes a water tank, a spray pipe and a nitrogen filling pipe. The nitrogen filling pipe is arranged at the inner top of the water tank. The nitrogen filling pipe is provided with a plurality of nitrogen filling joints. A welding station is arranged next to the nitrogen filling joint. One end of the spray pipe faces the welding station, and the other end of the spray pipe is connected to a water supply component.

[0005] The spray protection welding device according to the embodiment of the utility model has at least the following technical effects: when in use, the valve component to be welded can be installed at the welding station, and the nitrogen filling joint is aligned with the interface of the valve component to perform nitrogen filling protection welding; at the same time, the water supply component can supply water to the spray pipe, so that the spray pipe can spray water to the valve component arranged at the welding station, avoiding the problem that the water evaporates while the welding process continues, and the cooling effect is better, and the valve component is not easily damaged; the setting of the water tank can collect the water sprayed from the spray pipe to prevent the water from flowing everywhere and affecting the production environment.

[0006] According to some embodiments of the utility model, the water supply assembly includes a water pump, and the water inlet and the outlet of the water pump are respectively connected to the water tank and the spray pipe. In this way, the water sprayed from the spray pipe can be collected by the water tank and then circulated back to the spray pipe by the water pump, without the need to input water from the outside, which is relatively simple to use.

[0007] According to some embodiments of the utility model, a support platform is provided in the water tank, and the nitrogen filling tube is provided on the upper side of the support platform. By providing the support platform, it is convenient to place the nitrogen filling tube.

[0008] According to some embodiments of the utility model, the spray pipe is a flexible member. For valves of different sizes, the spray pipe can be bent to spray water toward a position close to the weld, resulting in a better cooling effect.

[0009] According to some embodiments of the utility model, the nitrogen charging connector is in the shape of a vertically arranged tube. When installing the valve component, the interface of the valve component is put on the nitrogen charging connector from top to bottom, without setting an additional support frame, the structure is simple, and the assembly and disassembly are easy.

[0010] According to some embodiments of the utility model, the nitrogen filling pipe is provided with a plurality of nitrogen filling joints, and the outer diameters of the plurality of nitrogen filling joints are all inconsistent. Valves of different models and sizes can be installed on different nitrogen filling joints, and the utility model has a wider application range.

[0011] According to some embodiments of the present invention, the nitrogen charging joint is provided with a sealing member, and the sealing member is detachably connected to the nitrogen charging joint. The nitrogen charging joint that is not needed can be equipped with a sealing member to reduce the consumption of nitrogen.

[0012] According to some embodiments of the utility model, the sealing member is a pipe cap, which has a simple structure and is easy to disassemble and assemble the sealing member.

[0013] According to some embodiments of the utility model, the nitrogen filling pipe has a middle pipe section and two end pipe sections, the middle pipe section is arranged horizontally, and the two end pipe sections are respectively extended forward from both ends of the middle pipe section. In this way, the nitrogen filling pipe can be stably placed on the support platform, and the nitrogen filling pipe can stably support the valve member without setting an additional support frame, and the structure is simple.

[0014] According to some embodiments of the utility model, the water tank is made of metal material, which is conducive to heat dissipation of water in the water tank.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a spray protection welding device according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the use state of the spray protection welding device of the embodiment of the utility model;

[0019] Figure 3 It is a schematic cross-sectional view of the spray protection welding device according to an embodiment of the utility model.

[0020] In the attached figure:

[0021] 001-valve; 002-weld; 100-water tank; 200-support platform; 300-nitrogen charging pipe; 310-nitrogen charging joint; 311-pipe cap; 400-spray pipe; 410-water pump. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present utility model, it should be understood that the directions or positional relationships indicated, such as up, down, front, back, left, right, etc., are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the meaning of several is one or more, the meaning of more than two is more than two, greater than, less than, exceed, etc. are understood to exclude the number, and above, below, within, etc. are understood to include the number. If there is a description of the first and the second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0025] Reference below Figures 1 to 3 The invention describes a spray protection welding device according to an embodiment of the invention.

[0026] The spray protection welding device of the embodiment of the utility model comprises a water tank 100, a spray pipe 400 and a nitrogen filling pipe 300. The nitrogen filling pipe 300 is arranged at the inner top of the water tank 100. The nitrogen filling pipe 300 is provided with a plurality of nitrogen filling joints 310. A welding station is arranged beside the nitrogen filling joint 310. One end of the spray pipe 400 faces the welding station, and the other end of the spray pipe 400 is connected to a water supply component.

[0027] For example, Figure 1As shown, the top of the water tank 100 is open, and a support platform 200 is provided in the water tank 100. The support platform 200 and the water tank 100 are fixedly arranged relative to each other, and the nitrogen filling pipe 300 is arranged on the upper side of the support platform 200. A mounting seat is fixedly provided on the top edge of the water tank 100, and a spray pipe 400 is arranged on the mounting seat. The spray pipe 400 can be provided with an adjusting valve to control the water flow rate; one end of the nitrogen filling pipe 300 is closed, and the other end is provided with a nitrogen connector to be connected to a pipeline supplying nitrogen, so that the nitrogen filling connector 310 can spray nitrogen; the nitrogen filling connector 310 faces upward, and the welding station is arranged above the nitrogen filling connector 310.

[0028] It should be noted that the welding between the pipe fittings and the valve parts 001 of the heat pump device needs to be nitrogen-filled for protection to prevent oxidized metal from falling into the pipe fittings and the valve parts 001; the utility model is provided with a nitrogen filling pipe 300 to achieve the purpose of nitrogen filling protection.

[0029] When using, refer to Figure 2 , the valve component 001 to be welded can be installed at the welding station, and the nitrogen filling joint 310 is aligned with the interface of the valve component 001 to perform nitrogen protection welding; at the same time, the water supply component can supply water to the spray pipe 400, so that the spray pipe 400 can spray water to the valve component 001 located at the welding station, avoiding the problem that the water evaporates completely while the welding process continues, and the cooling effect is better, and the valve component 001 is not easily damaged; the setting of the water tank 100 can collect the water sprayed from the spray pipe 400 to prevent the water from flowing around and affecting the production environment.

[0030] In some embodiments of the present invention, the water supply assembly includes a water pump 410, and the water inlet and outlet of the water pump 410 are connected to the water tank 100 and the spray pipe 400 respectively. In this way, the water sprayed from the spray pipe 400 is collected by the water tank 100 and can be circulated back to the spray pipe 400 by the water pump 410, without the need to input water from the outside, which is relatively simple to use. Figure 3 The water pump 410 can be arranged in the water tank 100 and placed under the support platform 200; the water pump 410 can also be arranged outside the water tank 100 and connected to the water tank 100 and the spray pipe 400 through a connecting pipe.

[0031] In some embodiments of the utility model, a support platform 200 is provided in the water tank 100, and a nitrogen filling pipe 300 is provided on the upper side of the support platform 200. By providing the support platform 200, it is convenient to place the nitrogen filling pipe 300. Sufficient space is left in the water tank 100 and below the support platform 200 to accommodate water, and the nitrogen filling pipe 300 is located closer to the top of the water tank 100 to facilitate welding operations.

[0032] In some embodiments of the present invention, the spray pipe 400 is a flexible member. The spray pipe 400 can be a metal hose that can be shaped and bent arbitrarily; for valves 001 of different sizes, the spray pipe 400 can be bent to spray water toward a position close to the weld 002, which has a better cooling effect. When the nitrogen charging pipe 300 is provided with multiple nitrogen charging joints 310, the spray pipe 400 can also be bent to face the top of the corresponding nitrogen charging joint 310.

[0033] In some embodiments of the present invention, the nitrogen charging connector 310 is in a vertically arranged tubular shape. When installing the valve member 001, the interface of the valve member 001 is simply put on the nitrogen charging connector 310 from top to bottom, without the need to set up an additional support frame, and the structure is simple and easy to disassemble and assemble.

[0034] In some embodiments of the present invention, the nitrogen filling pipe 300 is provided with a plurality of nitrogen filling joints 310, and the outer diameters of the plurality of nitrogen filling joints 310 are all inconsistent. The plurality of nitrogen filling joints 310 are sequentially spaced along the axial direction of the nitrogen filling pipe 300, and the outer diameters are sequentially increased; thus, valve components 001 of different models and sizes can be installed on different nitrogen filling joints 310, and the application scope of the present invention is wider.

[0035] In some embodiments of the present invention, the nitrogen charging connector 310 is provided with a seal, and the seal is detachably connected to the nitrogen charging connector 310. Each nitrogen charging connector 310 is provided with a seal; the nitrogen charging connector 310 that is not used can be equipped with a seal to reduce the consumption of nitrogen.

[0036] In some embodiments of the present invention, the sealing member is a pipe cap 311. This has a simple structure and is easy to disassemble and assemble the sealing member.

[0037] In some embodiments of the utility model, the nitrogen filling pipe 300 has a middle pipe section and two end pipe sections, the middle pipe section is arranged horizontally, and the two end pipe sections are respectively extended forward from the two ends of the middle pipe section. Both end pipe sections are extended forward and backward, and the nitrogen connector is arranged at one end of one of the end pipe sections away from the middle pipe section. In this way, the nitrogen filling pipe 300 can be stably placed on the support platform 200, and the nitrogen filling pipe 300 can stably support the valve member 001 without the need to set up an additional support frame, and the structure is simple. The nitrogen filling pipe 300 can be provided with a pipe code or other suitable fixing parts to further fix it on the support platform 200. The middle pipe section and the two end pipe sections are both provided with a nitrogen filling connector 310, and the spray pipe 400 is arranged in front of the middle pipe section and between the two end pipe sections, so that the spray pipe 400 can be bent to face the top of each nitrogen filling connector 310.

[0038] In some embodiments of the present invention, the water tank 100 is made of metal material, which is beneficial to the heat dissipation of the water in the water tank 100.

[0039] The preferred implementation methods of the present invention are specifically described above, but the present invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A spray protection welding device, characterized in that: It includes a water tank, a spray pipe and a nitrogen filling pipe. The nitrogen filling pipe is arranged on the inner top of the water tank. The nitrogen filling pipe is provided with a plurality of nitrogen filling joints. A welding station is arranged beside the nitrogen filling joint. One end of the spray pipe faces the welding station. The other end of the spray pipe is connected to a water supply assembly. A support platform is provided in the water tank, and the nitrogen filling pipe is provided on the upper side of the support platform; The spray pipe is a flexible component; The nitrogen filling joint is in the shape of a vertically arranged tube; The nitrogen filling pipe is provided with a plurality of nitrogen filling joints, and the outer diameters of the plurality of nitrogen filling joints are all inconsistent; The nitrogen filling pipe comprises a middle pipe section and two end pipe sections, the middle pipe section is arranged transversely, the two end pipe sections are respectively extended forward from both ends of the middle pipe section, the middle pipe section and the two end pipe sections are both provided with nitrogen filling joints, and the spray pipe is arranged in front of the middle pipe section and between the two end pipe sections.

2. The spray protection welding device according to claim 1 is characterized in that: The water supply assembly comprises a water pump, and a water inlet and a water outlet of the water pump are respectively connected to the water tank and the spray pipe.

3. The spray protection welding device according to claim 1, characterized in that: The nitrogen charging joint is provided with a sealing member, and the sealing member is detachably connected to the nitrogen charging joint.

4. The spray protection welding device according to claim 3 is characterized in that: The sealing member is a tube cap.

5. The spray protection welding device according to claim 1, characterized in that: The water tank is a metal material component.

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