Cooling water suction device for welding robot

Abstract

The utility model discloses a cooling water back -pumping device for welding robot, including mounting bracket and install first three -way valve, second three -way valve, pneumatic water -pumping valve body on the mounting bracket, still include back -pumping pipeline, back -water pipeline, drain pipeline and water tank pipeline, the water inlet of back -water pipeline with the water outlet on -way valve of pneumatic water -pumping valve body intercommunication, the water outlet of back -water pipeline with the end of water tank pipeline all with cold -water tank intercommunication, through cooperation pneumatic water -pumping valve body on two one -way valve constitutes the pump body of negative pressure water suction, cooperation first three -way valve and second three -way valve cut off the drain pipeline of welding robot, and through pneumatic water -pumping valve body cooperation back -pumping pipeline to extract the residual cooling water in drain pipeline and welding robot cooling device, finally through back -water pipeline and drain back the residual cooling water to water tank, avoid welding robot after shutdown still have residual cooling water and cause the cooling water to fall to the ground when dismounting maintenance.

Description

Technical Field

[0001] This utility model relates to the field of welding robot equipment, specifically to a cooling water back-extraction device for welding robots. Background Technology

[0002] The end effector of existing welding robots generates very high temperatures during operation, requiring cooling water to be circulated into the equipment cavity for cooling. After welding is completed, the welding robot and cooling pipes need to be disassembled for maintenance. At this time, the cooling water remaining in the equipment cavity and part of the cooling pipes will leak out directly, making it inconvenient to clean. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a cooling water back-pull device for welding robots to solve the above-mentioned problems.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a cooling water return device for welding robots, including a mounting frame and a first three-way valve, a second three-way valve, and a pneumatic water pumping valve body mounted on the mounting frame; it also includes a return pipe, a return water pipe, a drain pipe, and a water tank pipe; the drain pipe and the water tank pipe are respectively connected to the inlet and outlet ends of the first three-way valve and the second three-way valve; the inlet and first outlet ends of the pneumatic water pumping valve body are each equipped with a check valve; the inlet end of the return pipe is respectively connected to the second outlet ends of the first three-way valve and the second three-way valve; the outlet pipe of the return pipe is connected to the check valve on the inlet end of the pneumatic water pumping valve body; the inlet end of the return water pipe is connected to the check valve on the outlet end of the pneumatic water pumping valve body; the outlet end of the return water pipe and the end of the water tank pipe are both connected to a cold water tank.

[0005] Preferably, the outlet of the second three-way valve is connected to the water tank pipeline via a first three-way pipe, and the outlet of the return water pipeline is connected to the first three-way pipe.

[0006] Preferably, the pneumatic water pumping valve body includes a water pumping chamber, a pneumatic chamber, a pneumatic piston disposed in the pneumatic chamber, and a water pumping piston disposed in the water pumping chamber; the pneumatic piston and the water pumping piston are fixedly connected.

[0007] Preferably, the drainage pipe is connected to the cooling device of the welding robot.

[0008] Preferably, the backflow pipeline includes a first branch pipe and a second branch pipe, a second three-way pipe, and a third branch pipe connected to the pneumatic pumping valve body, respectively; the first branch pipe, the second branch pipe, and the third branch pipe are all connected to the second three-way pipe.

[0009] Preferably, the pneumatic cavity of the pneumatic pumping valve body is connected to an air pipe, and the end of the air pipe is connected to a reversing solenoid valve.

[0010] The main technical effects of this utility model are as follows: by cooperating with two one-way valves on the pneumatic water pumping valve body to form a negative pressure water suction pump body, and cooperating with the first three-way valve and the second three-way valve to cut off the drainage pipe of the welding robot, and by cooperating with the pneumatic water pumping valve body and the return pipe to extract the residual cooling water in the drainage pipe and the cooling device of the welding robot, the residual cooling water is finally diverted back to the water tank through the return water pipe, so as to avoid the welding robot having residual cooling water after shutdown, which would cause the cooling water to spill all over the ground during disassembly and maintenance. Attached Figure Description

[0011] Figure 1 A perspective view of the utility model;

[0012] Figure 2 This is a front view of the mounting bracket;

[0013] Figure 3 for Figure 2 The left view;

[0014] Figure 4 for Figure 3 A cross-sectional view along line AA.

[0015] The attached diagram is labeled as follows: 1-mounting bracket, 2-first three-way valve, 3-second three-way valve, 31-first three-way pipe, 4-pneumatic pumping valve body, 41-check valve, 42-pumping chamber, 43-pneumatic chamber, 44-pneumatic piston, 45-pumping piston, 5-return pipe, 51-first branch pipe, 52-second branch pipe, 53-second three-way pipe, 54-third branch pipe, 6-return water pipe, 7-drainage pipe, 8-water tank pipe. Detailed Implementation

[0016] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, so that the technical solution of this utility model can be more easily understood and mastered.

[0017] In this embodiment, it should be understood that the terms "middle," "upper," "lower," "top," "right side," "left end," "above," "back," "center," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0018] Furthermore, unless otherwise specified in this specific embodiment, the connection or fixing method between components can be achieved by bolt fixing, pin fixing, or pin connection commonly used in the prior art. Therefore, it will not be described in detail in this embodiment.

[0019] This utility model provides a cooling water back-extraction device for welding robots, such as... Figure 1-4 As shown, the device includes a mounting frame 1 and a first three-way valve 2, a second three-way valve 3, and a pneumatic pumping valve body 4 mounted on the mounting frame 1. It also includes a return pipe 5, a return water pipe 6, a drain pipe 7, and a water tank pipe 8. The drain pipe 7 and the water tank pipe 8 are respectively connected to the inlet and outlet ends of the first three-way valve 2 and the second three-way valve 3. The pneumatic pumping valve body 4 is equipped with a one-way valve 41 at both its inlet and first outlet ends. The inlet end of the return pipe 5 is connected to the second outlet end of the first three-way valve 2 and the second three-way valve 3. The outlet pipe of the return pipe 5 is connected to the one-way valve 41 on the inlet end of the pneumatic pumping valve body 4. The return water pipe... The inlet of 6 is connected to the one-way valve 41 on the outlet of the pneumatic pumping valve body 4. The outlet of the return water pipe 6 and the end of the water tank pipe 8 are both connected to the cold water tank. By cooperating with the two one-way valves 41 on the pneumatic pumping valve body 4, a negative pressure water suction pump body is formed. The first three-way valve 2 and the second three-way valve 3 are used to cut off the drainage pipe 7 of the welding robot. The pneumatic pumping valve body 4, in conjunction with the return pipe 5, extracts the residual cooling water in the drainage pipe 7 and the cooling device of the welding robot. Finally, the residual cooling water is diverted back to the water tank through the return water pipe 6 to prevent the welding robot from having residual cooling water after shutdown, which would cause the cooling water to spill all over the ground during disassembly and maintenance.

[0020] Preferably, the outlet of the second three-way valve 3 is connected to the water tank pipeline 8 by a first three-way pipe 31, and the outlet of the return water pipeline 6 is connected to the first three-way pipe 31, so that the liquid in the return water pipeline enters the return water pipeline 6 through the second three-way valve 3 and returns to the water tank.

[0021] Preferably, the pneumatic pumping valve body 4 includes a pumping chamber 42, a pneumatic chamber 43, a pneumatic piston 44 disposed in the pneumatic chamber 43, and a pumping piston 45 disposed in the pumping chamber 42. The pneumatic piston 44 is fixedly connected to the pumping piston 45. The pneumatic piston 44 divides the interior of the pneumatic chamber 43 into upper and lower chambers, and the pumping piston 45 also divides the interior of the pumping piston 45 into upper and lower chambers. By pumping air into the upper and lower chambers of the pneumatic piston 44 in a timed manner, the pneumatic piston 44 is moved by gas pressure, thereby driving the pumping piston 45 to move within the pumping chamber 42. This generates negative or positive pressure in the upper chamber of the pumping chamber 42, thereby achieving negative pressure pumping and positive pressure drainage. By pumping air into the upper and lower chambers of the pneumatic piston 44 in a timed manner, continuous pumping is achieved, thereby reducing the size of the equipment.

[0022] Preferably, the drainage pipe 7 is connected to the cooling device of the welding robot.

[0023] Preferably, the return pipe 5 includes a first branch pipe 51 and a second branch pipe 52, a second three-way pipe 53, and a third branch pipe 54, which are respectively connected to the first three-way valve 2 and the second three-way valve 3. The first branch pipe 51, the second branch pipe 52 and the third branch pipe 54 are all connected to the second three-way pipe 53. The first three-way valve 2 and the second three-way valve 3 converge in the second three-way pipe 53 through the first branch pipe 51 and the second branch pipe 52 and flow into the third branch pipe 54, thereby entering the pneumatic pumping valve body 4.

[0024] Preferably, the pneumatic cavity 43 of the pneumatic water pumping valve body 4 is connected to an air pipe, and the end of the air pipe is connected to a reversing solenoid valve, thereby realizing the continuous pumping of cooling water by the pneumatic water pumping valve body 4.

[0025] The main technical effects of this utility model are as follows: by cooperating with two one-way valves on the pneumatic water pumping valve body to form a negative pressure water suction pump body, and cooperating with the first three-way valve and the second three-way valve to cut off the drainage pipe of the welding robot, and by cooperating with the pneumatic water pumping valve body and the return pipe to extract the residual cooling water in the drainage pipe and the cooling device of the welding robot, the residual cooling water is finally diverted back to the water tank through the return water pipe, so as to avoid the welding robot having residual cooling water after shutdown, which would cause the cooling water to spill all over the ground during disassembly and maintenance.

[0026] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A cooling water back-extraction device for a welding robot, characterized in that, The device includes a mounting bracket and a first three-way valve, a second three-way valve, and a pneumatic pumping valve body mounted on the mounting bracket. It also includes a return pipe, a return water pipe, a drain pipe, and a water tank pipe. The drain pipe and the water tank pipe are respectively connected to the inlet and outlet ends of the first and second three-way valves. The inlet and first outlet ends of the pneumatic pumping valve body are each equipped with a check valve. The inlet end of the return pipe is connected to the second outlet ends of the first and second three-way valves. The outlet pipe of the return pipe is connected to the check valve on the inlet end of the pneumatic pumping valve body. The inlet end of the return water pipe is connected to the check valve on the outlet end of the pneumatic pumping valve body. The outlet end of the return water pipe and the end of the water tank pipe are both connected to a cold water tank.

2. The cooling water return device for a welding robot as described in claim 1, characterized in that, The outlet of the second three-way valve is connected to the water tank pipeline by a first three-way pipe, and the outlet of the return water pipeline is connected to the first three-way pipe.

3. The cooling water return device for a welding robot as described in claim 1, characterized in that, The pneumatic water pumping valve body includes a water pumping chamber, a pneumatic chamber, a pneumatic piston disposed in the pneumatic chamber, and a water pumping piston disposed in the water pumping chamber; the pneumatic piston and the water pumping piston are fixedly connected.

4. The cooling water return device for a welding robot as described in claim 1, characterized in that, The drainage pipe is connected to the cooling device of the welding robot.

5. The cooling water return device for a welding robot as described in claim 1, characterized in that, The return pipeline includes a first branch pipe and a second branch pipe, a second three-way pipe, and a third branch pipe connected to the pneumatic pumping valve body, respectively; the first branch pipe, the second branch pipe, and the third branch pipe are all connected to the second three-way pipe.

6. The cooling water return device for a welding robot as described in claim 3, characterized in that, The pneumatic cavity of the pneumatic pumping valve body is connected to an air pipe, and the end of the air pipe is connected to a reversing solenoid valve.

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