Valve welding device

Abstract

The utility model discloses a valve welding device which comprises a supporting frame, a heat preservation box is fixedly arranged on the rear side of the supporting frame, a water tank is fixedly arranged in the supporting frame, a cooling box is fixedly arranged on the top of the water tank, and a multi-outlet centrifugal pump is fixedly arranged on the rear side of the water tank. A first water conveying pipe is fixedly arranged at one water outlet end of the multi-outlet centrifugal pump, a flow dividing pipe is fixedly arranged at the water outlet end of the first water conveying pipe, the water outlet end of the flow dividing pipe penetrates through the cooling box and extends into the cooling box, and a second water conveying pipe is fixedly arranged at the other water outlet end of the multi-outlet centrifugal pump. According to the device, the situation that the working table top is damaged by high-temperature molten slag is avoided, the service life of the working table top is prolonged, meanwhile, the risk that workers are scalded when the valves are replaced or adjusted subsequently is reduced, and the safety of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve production technical field especially relates to a valve welding device. BACKGROUND

[0002] Valve is a kind of device for controlling fluid (such as liquid, gas, etc.), it is widely used, indispensable in piping system, on the one hand, can cut off or conduct fluid, like valve in water pipe can control water flow, on the other hand, can adjust the flow size, such as in chemical production accurately control the flow of raw materials, also can change fluid direction, adjust hot water flow direction in heating system different areas, the control, distribution of fluid plays a key role.

[0003] Welding in valve production is to realize the stable connection with pipe and guarantee sealing, avoid fluid leakage, simultaneously strengthen overall structural strength, so that valve can adapt to the pressure, temperature and other working condition requirements of fluid in pipe, welding device will be fixed valve before welding, then welding connection through welding torch can be carried out.

[0004] Valve will produce slag when welding, part of these slag will inevitably fall on the workbench during welding operation, the surface of slag is in high temperature state when producing, and the high heat carried will be conducted to the workbench, the workbench is easy to appear deformation under the action of high temperature, and in subsequent operation of staff replacement or adjustment etc., those high-temperature slag that have not completely cooled down scattered on the workbench are like hidden danger, very easy to contact with staff, so as to cause staff to be scalded, bring security risk. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model provides a valve welding device for solving the problems in the background art.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a valve welding device, including the rear side fixed setting of support frame is kept warm box, the inside fixed setting of kept warm box is exhaust pipe, the top of support frame is provided with lifting assembly, support frame is provided with support plate through lifting assembly, the bottom fixed setting of support plate is provided with welding mechanism, the inside fixed setting of support frame is provided with water tank, the bottom of water tank is provided with cooling assembly, the top fixed setting of water tank is provided with cooling box, the rear side fixed setting of water tank is provided with multiple outlet centrifugal pump, the water inlet end of multiple outlet centrifugal pump passes through water tank and extends to the inside of water tank, one water outlet end of multiple outlet centrifugal pump is provided with first water pipe, the water outlet end fixed setting of first water pipe is provided with shunt, the water outlet end of shunt passes through cooling box and extends to the inside of cooling box, the front side fixed setting of cooling box is provided with first backflow pipe, the water outlet end of first backflow pipe passes through cooling box and extends to the inside of cooling box, another water outlet end of multiple outlet centrifugal pump is provided with second water pipe, the water outlet end of second water pipe passes through kept warm box and extends to the inside of kept warm box, the surface fixed setting of kept warm box is provided with second backflow pipe, the water outlet end of second backflow pipe passes through cooling box and extends to the inside of cooling box, the inside of support frame is provided with clamping assembly.

[0008] Preferably, the lifting assembly includes a telescopic cylinder fixedly arranged on the top of the support frame, the water outlet end of the telescopic cylinder extends to the inside of the support frame through the support frame and is fixedly connected with the support plate, and a guide rod is slidably arranged in the inside of the support frame and fixedly connected with the support plate at the bottom end.

[0009] Preferably, the cooling assembly includes a semiconductor refrigeration sheet fixedly arranged on the bottom of the water tank, the cold end of the semiconductor refrigeration sheet is located on the inside of the water tank, the hot end of the semiconductor refrigeration sheet is located on the outside of the water tank, and the hot end of the semiconductor refrigeration sheet is fixedly provided with a heat dissipation fin.

[0010] Preferably, the clamping assembly includes a mounting sleeve fixedly arranged in the inside of the support frame, an electric push rod is fixedly arranged in the inside of the mounting sleeve, and the elongated end of the electric push rod is fixedly provided with a clamping plate.

[0011] Preferably, the inside of the support plate is fixedly provided with a suction nozzle, the air outlet end of the suction nozzle is fixedly provided with a gas conveying hose, and the air outlet end of the gas conveying hose is fixedly connected with the air inlet end of the exhaust pipe.

[0012] Preferably, the number of semiconductor refrigeration sheets is multiple, and the multiple semiconductor refrigeration sheets are linearly distributed.

[0013] Preferably, the number of guide rods is multiple, and the multiple guide rods are distributed in a rectangular array.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The valve welding device, the multi-outlet centrifugal pump is started, the water in the water tank is transported to the inside of the first water pipe through a water outlet of the multi-outlet centrifugal pump, the first water pipe transports the water to the inside of the cooling tank through the shunt pipe, so that the temperature of the surface of the cooling tank is reduced, when the slag generated during welding falls on the upper side of the cooling tank, the high-temperature slag and the low-temperature water exchange heat, so that the high-temperature slag is quickly cooled, the device avoids that the high-temperature slag causes damage to the workbench surface, prolongs the service life of the workbench surface, reduces the risk that the workers are scalded when subsequent replacement or adjustment of the valve is carried out, and improves the safety of the device.

[0016] 2. The valve welding device, when the welding mechanism is welded, the suction nozzle is started, the high-temperature waste gas generated during welding is sucked into the inside of the gas conveying hose and is transported to the inside of the exhaust pipe, the other water outlet of the multi-outlet centrifugal pump transports the water in the water tank to the inside of the second water pipe, the water is transported to the inside of the heat preservation tank through the second water pipe, the high-temperature waste gas in the exhaust pipe exchanges heat with the low-temperature water in the heat preservation tank, and the high-temperature waste gas is cooled, the device can treat the high-temperature waste gas generated during welding, the service life of the equipment can be prolonged by cooling the waste gas, and the cost of equipment maintenance and replacement is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the structure of the utility model;

[0018] Figure 2 It is a front view of the structure of the utility model;

[0019] Figure 3 It is a rear view of the structure of the utility model;

[0020] Figure 4 It is a right view of the structure of the utility model.

[0021] In the drawing: 1, support frame; 2, water tank; 3, cooling tank; 4, multi-outlet centrifugal pump; 5, first water pipe; 6, shunt pipe; 7, second water pipe; 8, heat preservation tank; 9, exhaust pipe; 10, second return pipe; 11, telescopic air cylinder; 12, support plate; 13, suction nozzle; 14, gas conveying hose; 15, guide rod; 16, semiconductor refrigeration sheet; 17, heat dissipation fin; 18, mounting sleeve; 19, electric push rod; 20, clamping plate; 21, welding mechanism; 22, first return pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] With reference to Figures 1-4The utility model provides a valve welding device, including support frame 1, the rear side fixed setting of support frame 1 is provided with heat preservation box 8, the inside fixed setting of heat preservation box 8 is provided with exhaust pipe 9, the top of support frame 1 is provided with lifting assembly, support frame 1 is provided with support plate 12 through lifting assembly, the bottom fixed setting of support plate 12 is provided with welding mechanism 21, and welding mechanism 21 is welding torch, the inside fixed setting of support frame 1 is provided with water tank 2, the bottom of water tank 2 is provided with cooling assembly, and cooling assembly includes the fixed setting of semiconductor refrigerating fin 16 in water tank 2 bottom, the number of semiconductor refrigerating fin 16 is multiple, and multiple semiconductor refrigerating fin 16 is linear distribution, and the cold end of semiconductor refrigerating fin 16 is at the inside of water tank 2, and the hot end of semiconductor refrigerating fin 16 is at the outside of water tank 2, and the hot end fixed setting of semiconductor refrigerating fin 16 is provided with radiating fin 17, and the cold end of semiconductor refrigerating fin 16 can continuously cool the water in the inside of water tank 2, to make the water in the inside of cooling box 3 and heat preservation box 8 keep low temperature, to treat slag and waste gas, the top fixed setting of water tank 2 is provided with cooling box 3, the rear side fixed setting of water tank 2 is provided with multiple outlet centrifugal pump 4, and the water inlet end of multiple outlet centrifugal pump 4 penetrates water tank 2 and extends to the inside of water tank 2, and one water outlet end of multiple outlet centrifugal pump 4 is fixedly provided with first water pipe 5, and the water outlet end of first water pipe 5 is fixedly provided with shunt pipe 6, and the water outlet end of shunt pipe 6 penetrates cooling box 3 and extends to the inside of cooling box 3, and the front side fixed setting of cooling box 3 is provided with first backflow pipe 22, and the water outlet end of first backflow pipe 22 penetrates cooling box 3 and extends to the inside of cooling box 3, and the other water outlet end of multiple outlet centrifugal pump 4 is fixedly provided with second water pipe 7, and the water outlet end of second water pipe 7 penetrates heat preservation box 8 and extends to the inside of heat preservation box 8, and the surface fixed setting of heat preservation box 8 is provided with second backflow pipe 10, and the water outlet end of second backflow pipe 10 penetrates cooling box 3 and extends to the inside of cooling box 3, and the inside of support frame 1 is provided with clamping assembly, and clamping assembly includes the fixed setting of mounting sleeve 18 in the inside of support frame 1, and the inside fixed setting of mounting sleeve 18 is provided with electric push rod 19, and the elongated end of electric push rod 19 is fixedly provided with clamping plate 20, and the elongated end of two electric push rods 19 is pushed, and clamping plate 20 moves, to clamp and fix valve, avoid holding valve when welding, the valve welding device, starts multiple outlet centrifugal pump 4, and the water in the inside of water tank 2 is sent to the inside of first water pipe 5 through one water outlet end of multiple outlet centrifugal pump 4, and first water pipe 5 sends water to the inside of cooling box 3 through shunt pipe 6, to make the temperature of cooling box 3 surface reduce, when the slag generated when welding falls on the top of cooling box 3, the high-temperature slag and low-temperature water exchange heat, to make the high-temperature slag cool quickly, the device avoids that the high-temperature slag causes damage to worktable surface, improves the service life of worktable surface, simultaneously reduces the risk that the staff is scalded when subsequent replacement or adjustment valve, improves the security of device.

[0024] Specifically, the inside of the support plate 12 is fixedly provided with a suction nozzle 13, the air outlet end of the suction nozzle 13 is fixedly provided with a gas conveying hose 14, the air outlet end of the gas conveying hose 14 is fixedly connected with the air inlet end of the exhaust pipe 9, when the welding mechanism 21 is welded, the high-temperature waste gas generated by welding is sucked into the inside of the gas conveying hose 14 and conveyed to the inside of the exhaust pipe 9, the centrifugal pump 4 with multiple outlets conveys water to the inside of the heat preservation box 8, the high-temperature waste gas is cooled by heat exchange between the low-temperature water in the inside of the heat preservation box 8 and the high-temperature waste gas in the inside of the exhaust pipe 9, the device can treat the high-temperature waste gas generated by welding, the service life of the equipment can be prolonged by cooling the waste gas, and the cost of equipment maintenance and replacement is reduced.

[0025] Specifically, the lifting assembly includes a telescopic cylinder 11 fixedly arranged at the top of the support frame 1, the water outlet end of the telescopic cylinder 11 extends to the inside of the support frame 1 through the support frame 1 and is fixedly connected with the support plate 12, a guide rod 15 is slidably arranged in the inside of the support frame 1, the number of the guide rods 15 is multiple, the multiple guide rods 15 are arranged in a rectangular array, the bottom end of the guide rod 15 is fixedly connected with the support plate 12, the telescopic cylinder 11 is driven to be elongated or shortened, the support plate 12 is driven to move downward, and then the height of the welding mechanism 21 is adjusted, and the multiple guide rods 15 assist the welding mechanism 21 to move up and down.

[0026] The electrical components in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer.

[0027] In use: the valve is placed between the two clamping plates 20, the clamping plates 20 are moved by extending the extension end of the two electric push rods 19, and then the welding mechanism 21 is moved to the surface of the valve for welding, and the multi-outlet centrifugal pump 4 and the semiconductor refrigeration sheet 16 are started at the same time, the cold end of the semiconductor refrigeration sheet 16 continuously cools the water in the water tank 2, one water outlet of the multi-outlet centrifugal pump 4 sends the water in the water tank 2 to the inside of the first water conveying pipe 5, and the first water conveying pipe 5 sends the water to the inside of the cooling box 3 through the shunt pipe 6, so that the temperature of the surface of the cooling box 3 is reduced, when the molten slag generated during welding falls above the cooling box 3, the high-temperature molten slag and the low-temperature water exchange heat, so that the high-temperature molten slag is quickly cooled, and the water in the cooling box 3 is re-conveyed to the inside of the water tank 2 through the first backflow pipe 22 to circulate and cool, when the welding mechanism 21 is welding, the suction nozzle 13 is started to suck the high-temperature waste gas generated by welding into the inside of the gas conveying hose 14 and convey it to the inside of the exhaust pipe 9, and the other water outlet of the multi-outlet centrifugal pump 4 sends the water in the water tank 2 to the inside of the second water conveying pipe 7, and the water is conveyed to the inside of the heat preservation box 8 through the second water conveying pipe 7, and the high-temperature waste gas in the exhaust pipe 9 exchanges heat with the low-temperature water in the heat preservation box 8 to cool the high-temperature waste gas, and the cooled waste gas is discharged to the external waste gas treatment device through the exhaust pipe 9, and the water in the heat preservation box 8 is re-conveyed to the inside of the water tank 2 through the second backflow pipe 10.

[0028] In summary, the valve welding device starts the multi-outlet centrifugal pump 4, one water outlet of the multi-outlet centrifugal pump 4 sends the water in the water tank 2 to the inside of the first water conveying pipe 5, the first water conveying pipe 5 sends the water to the inside of the cooling box 3 through the shunt pipe 6, so that the temperature of the surface of the cooling box 3 is reduced, when the molten slag generated during welding falls above the cooling box 3, the high-temperature molten slag and the low-temperature water exchange heat, so that the high-temperature molten slag is quickly cooled, the device avoids damage to the workbench surface caused by high-temperature molten slag, prolongs the service life of the workbench surface, reduces the risk of burns of workers during subsequent replacement or adjustment of the valve, and improves the safety of the device.

[0029] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A valve welding device comprising a support frame (1), characterized in that, The rear side of the support frame (1) is fixedly provided with a heat preservation box (8), the inside of the heat preservation box (8) is fixedly provided with an exhaust pipe (9), the top of the support frame (1) is provided with a lifting assembly, the support frame (1) is provided with a support plate (12) through the lifting assembly, the bottom of the support plate (12) is fixedly provided with a welding mechanism (21), the inside of the support frame (1) is fixedly provided with a water tank (2), the bottom of the water tank (2) is provided with a cooling assembly, the top of the water tank (2) is fixedly provided with a cooling box (3), the rear side of the water tank (2) is fixedly provided with a multi-outlet centrifugal pump (4), the water inlet end of the multi-outlet centrifugal pump (4) penetrates through the water tank (2) and extends to the inside of the water tank (2), one water outlet end of the multi-outlet centrifugal pump (4) is fixedly provided with a first water conveying pipe (5), the water outlet end of the first water conveying pipe (5) is fixedly provided with a shunt pipe (6), the water outlet end of the shunt pipe (6) penetrates through the cooling box (3) and extends to the inside of the cooling box (3), the front side of the cooling box (3) is fixedly provided with a first backflow pipe (22), the water outlet end of the first backflow pipe (22) penetrates through the cooling box (3) and extends to the inside of the cooling box (3), the other water outlet end of the multi-outlet centrifugal pump (4) is fixedly provided with a second water conveying pipe (7), the water outlet end of the second water conveying pipe (7) penetrates through the heat preservation box (8) and extends to the inside of the heat preservation box (8), the surface of the heat preservation box (8) is fixedly provided with a second backflow pipe (10), the water outlet end of the second backflow pipe (10) penetrates through the cooling box (3) and extends to the inside of the cooling box (3), and the inside of the support frame (1) is provided with a clamping assembly.

2. A valve welding device according to claim 1, characterized in that The lifting assembly comprises a telescopic air cylinder (11) fixedly arranged on the top of the support frame (1), the water outlet end of the telescopic air cylinder (11) extends to the inside of the support frame (1) through the support frame (1) and is fixedly connected with the support plate (12), and the inside of the support frame (1) is slidably provided with a guide rod (15) with the bottom end fixedly connected with the support plate (12).

3. The valve welding apparatus of claim 1, wherein The cooling assembly comprises a semiconductor refrigeration fin (16) fixedly arranged on the bottom of the water tank (2), the cold end of the semiconductor refrigeration fin (16) is located on the inside of the water tank (2), the hot end of the semiconductor refrigeration fin (16) is located on the outside of the water tank (2), and the hot end of the semiconductor refrigeration fin (16) is fixedly provided with a heat dissipation fin (17).

4. The valve welding apparatus of claim 1, wherein The clamping assembly comprises a mounting sleeve (18) fixedly arranged in the inside of the support frame (1), the inside of the mounting sleeve (18) is fixedly provided with an electric push rod (19), and the elongated end of the electric push rod (19) is fixedly provided with a clamping plate (20).

5. The valve welding apparatus of claim 1, wherein The inside of the support plate (12) is fixedly provided with a suction nozzle (13), the air outlet end of the suction nozzle (13) is fixedly provided with a gas conveying hose (14), and the air outlet end of the gas conveying hose (14) is fixedly connected with the air inlet end of the exhaust pipe (9).

6. The valve welding apparatus of claim 3, wherein The number of the semiconductor refrigeration fins (16) is multiple, and the multiple semiconductor refrigeration fins (16) are linearly distributed.

7. The valve welding apparatus of claim 2, wherein The number of the guide rods (15) is multiple, and the multiple guide rods (15) are distributed in a rectangular array.

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