Cooling device for robot welding

Abstract

The utility model discloses a cooling device for robot welding, which comprises a working box table, a supporting disc is arranged on the surface of the working box table, a circulating pump, a heat exchange box and a mechanical arm are respectively and fixedly connected to the surface of the supporting disc, a welding gun is arranged at the movable end of the mechanical arm, and a cooling ring is fixedly connected to the outer surface of the welding gun. A first pipeline and a second pipeline which communicate with the cooling ring are arranged on the lower surface of the cooling ring, the first pipeline communicates with the output end of the circulating pump, the second pipeline communicates with the interior of the heat exchange box, and the input end of the circulating pump communicates with the interior of the heat exchange box. By arranging a circulating pump, a heat exchange box, a cooling ring, a first pipeline and a second pipeline, cooling liquid cooled in the heat exchange box can be conveyed into the cooling ring through the first pipeline by means of working of the circulating pump, so that a welding gun can be cooled, and circulation of the cooling liquid is achieved; the problems that cooling liquid in the cooling ring needs to be replaced frequently, and time and labor are wasted in the operation process are effectively solved.

Description

Technical Field

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

[0002] A welding robot is an industrial robot engaged in welding. According to the definition of the International Organization for Standardization, industrial robots belong to standard welding robots. An industrial robot is a multi-purpose, reprogrammable automatic control manipulator with three or more programmable axes used in the field of industrial automation. In order to adapt to different uses, the mechanical interface of the robot's last axis is usually a connecting flange that can be connected to different tools or end effectors. A welding robot is an industrial robot with a welding tongs or welding gun connected to the end axis flange, enabling it to perform welding, cutting or thermal spraying.

[0003] Through searching, it is found that CN217096319U discloses a cooling device for robot welding, which relates to the field of robot welding, including a welding robot, one end of the welding robot is fixedly connected with a welding gun, the surface of the welding gun is fixedly connected with a cooling ring, the inner wall of the cooling ring is provided with an annular cooling cavity, the inner wall of the annular cooling cavity is provided with a plurality of strip-shaped openings, the inner walls of the plurality of strip-shaped openings are all fixedly connected with a strip-shaped heat conducting plate, one side surface of the plurality of strip-shaped heat conducting plates is all fixedly connected with an arc-shaped heat conducting plate, and one side surface of the plurality of arc-shaped heat conducting plates is all fixedly connected with the surface of the welding gun. The utility model can inject coolant into the cooling ring on the surface of the welding gun when the welding robot is performing welding work, and then dissipate the heat and high temperature generated by heat conduction, so that the welding gun on the welding robot can work for a long time and extend the service life of the welding robot.

[0004] However, there are still some problems and shortcomings during use: the coolant inside the cooling ring needs to be replaced frequently, the replacement process requires manual work, and the operation process is time-consuming and laborious. Therefore, we need a cooling device for robot welding. Utility Model Content

[0005] The utility model aims to provide a cooling device for robot welding to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for robot welding, comprising a work box platform, a support plate is arranged on the surface of the work box platform, a circulation pump, a heat exchange box and a mechanical arm are fixedly connected to the surface of the support plate, a welding gun is arranged at the movable end of the mechanical arm, a cooling ring is fixedly connected to the outer surface of the welding gun, a first pipe and a second pipe connected to the cooling ring are arranged on the lower surface of the cooling ring, and the first pipe is connected to the output end of the circulation pump, the second pipe is connected to the inside of the heat exchange box, and the input end of the circulation pump is connected to the inside of the heat exchange box.

[0007] Preferably, the cooling ring is fixedly connected to a first servo motor at one end close to the robotic arm, and the inner wall of the cooling ring is rotatably connected to a limit ring, a gear ring and a driving gear respectively. The driving gear is fixedly connected to the rotating end of the first servo motor, and the driving gear and the gear ring are meshed with each other. A plurality of disturbance heat sinks are fixedly connected between the limit ring and the gear ring, and the ends of the disturbance heat sinks are slidably connected to the inner wall of the cooling ring.

[0008] Preferably, the heat exchange box includes a storage box equipped with coolant, a heat dissipation top plate is provided on the upper surface of the storage box, a plurality of heat dissipation copper columns connected to the heat dissipation top plate are fixedly connected to the inner wall of the storage box, and a semiconductor refrigerator is provided on the surface of the heat dissipation top plate.

[0009] Preferably, a wheel frame is fixedly connected to the lower surface of the mechanical arm, a limiting wheel is rotatably connected to the surface of the wheel frame, and two annular limiting grooves are provided on the surface of the limiting wheel.

[0010] Preferably, a cavity is provided inside the work box platform, and a door is hinged on the front surface of the work box platform.

[0011] Preferably, the left and right sides and the rear side of the work box are fixedly connected with flange work panels, the surface of the flange work panel is provided with a plurality of through holes in a rectangular array, the lower surface of the flange work panel is fixedly connected with a reinforcing rib, and the reinforcing rib is fixedly connected to the side of the work box.

[0012] Preferably, a second servo motor is embedded and fixedly connected to the surface of the work box platform, and the rotating end of the second servo motor is fixedly connected to an adjusting gear that meshes with the support disk, and the support disk is rotationally connected to the surface of the work box platform.

[0013] Beneficial Effects

[0014] The utility model provides a cooling device for robot welding, which has the following beneficial effects:

[0015] 1. The cooling device for robot welding can cool down the coolant by arranging a heat exchange box, and by arranging a circulating pump, a heat exchange box, a cooling ring, a first pipeline and a second pipeline, the circulating pump can be used to transport the coolant cooled in the heat exchange box to the inside of the cooling ring through the first pipeline, so as to cool the welding gun, and the second pipeline can be used to facilitate the coolant after absorbing heat in the cooling ring to enter the heat exchange box, thereby realizing the circulation of the coolant, and effectively avoiding the problem that the coolant in the cooling ring needs to be frequently replaced, and the operation process is time-consuming and labor-intensive.

[0016] 2. The cooling device for robot welding is provided with a first servo motor, a limit ring, a gear ring, a driving gear and a disturbance heat sink. The disturbance heat sink can initially dissipate the heat of the cooling ring. The first servo motor is used to drive the driving gear to rotate slowly. The driving gear and the gear ring are engaged with each other to drive the gear ring to rotate. The rotation of the gear ring can drive multiple disturbance heat sinks to rotate. The rotation of the disturbance heat sink can make the coolant fully contact with the cooling ring, thereby further improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a cooling device for robot welding proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of a cross-sectional three-dimensional structure of a cooling ring of a cooling device for robot welding proposed by the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of a heat exchange box of a cooling device for robot welding proposed in the utility model;

[0020] Figure 4 A cooling device for robot welding proposed by the utility model Figure 1 A is a schematic diagram of the enlarged structure.

[0021] In the figure: 1. working box platform; 2. supporting plate; 3. circulating pump; 4. heat exchange box; 5. mechanical arm; 6. welding gun; 7. cooling ring; 8. first pipeline; 9. second pipeline; 10. first servo motor; 11. limiting ring; 12. gear ring; 13. driving gear; 14. disturbance heat sink; 15. storage box; 16. heat sink top plate; 17. heat sink copper column; 18. semiconductor refrigerator; 19. limiting wheel; 20. box door; 21. flange working panel; 22. reinforcement rib plate; 23. second servo motor; 24. adjusting gear. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-4 The utility model provides a technical solution: a cooling device for robot welding, comprising a work box platform 1, a support plate 2 is arranged on the surface of the work box platform 1, a circulation pump 3, a heat exchange box 4 and a mechanical arm 5 are respectively fixedly connected to the surface of the support plate 2, a welding gun 6 is arranged at the movable end of the mechanical arm 5, a cooling ring 7 is fixedly connected to the outer surface of the welding gun 6, a first pipe 8 and a second pipe 9 connected to the cooling ring 7 are respectively arranged on the lower surface of the cooling ring 7, and the first pipe 8 is connected to the output end of the circulation pump 3, the second pipe 9 is connected to the inside of the heat exchange box 4, and the input end of the circulation pump 3 is connected to the inside of the heat exchange box 4.

[0025] The end of the cooling ring 7 close to the mechanical arm 5 is fixedly connected to the first servo motor 10, and the inner wall of the cooling ring 7 is rotatably connected to the limit ring 11, the gear ring 12 and the driving gear 13 respectively. The driving gear 13 is fixedly connected to the rotating end of the first servo motor 10, and the driving gear 13 and the gear ring 12 are meshed with each other. A plurality of disturbance heat sinks 14 are fixedly connected between the limit ring 11 and the gear ring 12, and the end of the disturbance heat sink 14 is slidably connected to the inner wall of the cooling ring 7. By arranging the first servo motor 10, the limit ring 11, the gear ring 12, the driving gear 13 and the disturbance heat sink 14, the cooling ring 7 can be initially cooled by the disturbance heat sink 14, and the first servo motor 10 is used to drive the driving gear 13 to rotate slowly, and the driving gear 13 and the gear ring 12 are meshed with each other, so as to drive the gear ring 12 to rotate, and the rotation of the gear ring 12 can drive a plurality of disturbance heat sinks 14 to rotate, and the rotation of the disturbance heat sink 14 can make the coolant fully contact with the cooling ring 7, thereby further improving the heat dissipation effect.

[0026] The heat exchange box 4 includes a storage box 15 equipped with a coolant, and a heat dissipation top plate 16 is arranged on the upper surface of the storage box 15. A plurality of heat dissipation copper columns 17 connected to the heat dissipation top plate 16 are fixedly connected to the inner wall of the storage box 15. A semiconductor refrigerator 18 is arranged on the surface of the heat dissipation top plate 16. By setting up the heat exchange box 4 and utilizing the semiconductor refrigerator 18, the heat dissipation top plate 16 can be cooled. By utilizing the heat dissipation copper columns 17 and the heat dissipation top plate 16, the cooling speed of the coolant in the storage box 15 can be effectively improved.

[0027] The coolant can be cooled by arranging the heat exchange box 4. The circulating pump 3, the heat exchange box 4, the cooling ring 7, the first pipe 8 and the second pipe 9 can be arranged. The coolant cooled in the heat exchange box 4 can be transported to the inside of the cooling ring 7 through the first pipe 8 by the circulating pump 3, so that the welding gun 6 can be cooled. The second pipe 9 can facilitate the coolant after absorbing heat in the cooling ring 7 to enter the heat exchange box 4, thereby realizing the circulation of the coolant, and effectively avoiding the problem that the coolant in the cooling ring 7 needs to be frequently replaced, and the operation process is time-consuming and labor-intensive.

[0028] The lower surface of the robot arm 5 is fixedly connected to a wheel frame, the surface of the wheel frame is rotatably connected to a limiting wheel 19, and the surface of the limiting wheel 19 is provided with two annular limiting grooves. By setting the limiting wheel 19 and the annular limiting grooves, the first pipeline 8 and the second pipeline 9 can be limited, effectively avoiding the problem of the first pipeline 8 and the second pipeline 9 interfering with the welding construction.

[0029] The work box platform 1 is provided with a cavity inside, and a door 20 is hinged on the front surface of the work box platform 1. The door 20 can be used to open the inner cavity of the work box platform 1, which provides convenience for storing commonly used tools.

[0030] Example 2

[0031] See also Figure 1-4 , including Example 1, and on the basis of Example 1, the utility model provides a technical solution: the left and right sides and the rear side of the work box platform 1 are fixedly connected with flange working panels 21, the surface of the flange working panel 21 is in a rectangular array with multiple through holes, the lower surface of the flange working panel 21 is fixedly connected with a reinforcing rib 22, and the reinforcing rib 22 is fixedly connected to the side of the work box platform 1. By setting the flange working panel 21, the fixture tooling can be easily installed.

[0032] A second servo motor 23 is embedded and fixedly connected to the surface of the work box table 1, and the rotating end of the second servo motor 23 is fixedly connected to an adjusting gear 24 that meshes with the support plate 2, and the support plate 2 is rotationally connected to the surface of the work box table 1. The adjusting gear 24 is driven to rotate by the second servo motor 23, and the support plate 2 is meshed with the transmission, which can drive the support plate 2 to rotate, thereby effectively increasing the welding working range of the robot arm 5.

[0033] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cooling device for robot welding, comprising a work box (1), characterized in that: The surface of the work box platform (1) is provided with a support plate (2), and the surfaces of the support plate (2) are respectively fixedly connected with a circulation pump (3), a heat exchange box (4) and a mechanical arm (5), and the movable end of the mechanical arm (5) is provided with a welding gun (6), and the outer surface of the welding gun (6) is fixedly connected with a cooling ring (7), and the lower surface of the cooling ring (7) is respectively provided with a first pipe (8) and a second pipe (9) connected to the cooling ring (7), and the first pipe (8) is connected to the output end of the circulation pump (3), the second pipe (9) is connected to the inside of the heat exchange box (4), and the input end of the circulation pump (3) is connected to the inside of the heat exchange box (4).

2. A cooling device for robot welding according to claim 1, characterized in that: The cooling ring (7) is fixedly connected to the first servo motor (10) at one end close to the robot arm (5); the inner wall of the cooling ring (7) is rotatably connected to a limit ring (11), a gear ring (12) and a driving gear (13); the driving gear (13) is fixedly connected to the rotating end of the first servo motor (10), and the driving gear (13) and the gear ring (12) are meshed with each other; a plurality of disturbance heat sinks (14) are fixedly connected between the limit ring (11) and the gear ring (12); and the ends of the disturbance heat sinks (14) are slidably connected to the inner wall of the cooling ring (7).

3. A cooling device for robot welding according to claim 1, characterized in that: The heat exchange box (4) comprises a storage box (15) equipped with a coolant, a heat dissipation top plate (16) is arranged on the upper surface of the storage box (15), a plurality of heat dissipation copper columns (17) connected to the heat dissipation top plate (16) are fixedly connected to the inner wall of the storage box (15), and a semiconductor refrigerator (18) is arranged on the surface of the heat dissipation top plate (16).

4. A cooling device for robot welding according to claim 1, characterized in that: The lower surface of the mechanical arm (5) is fixedly connected to a wheel frame, the surface of the wheel frame is rotatably connected to a limiting wheel (19), and the surface of the limiting wheel (19) is provided with two annular limiting grooves.

5. A cooling device for robot welding according to claim 1, characterized in that: The working box platform (1) is provided with a cavity inside, and a box door (20) is hingedly connected to the front surface of the working box platform (1).

6. A cooling device for robot welding according to claim 1, characterized in that: The left and right sides and the rear side of the work box platform (1) are fixedly connected with flange work panels (21), the surface of the flange work panel (21) is provided with a plurality of through holes in a rectangular array, the lower surface of the flange work panel (21) is fixedly connected with a reinforcing rib plate (22), and the reinforcing rib plate (22) is fixedly connected to the side of the work box platform (1).

7. A cooling device for robot welding according to claim 1, characterized in that: A second servo motor (23) is embedded and fixedly connected to the surface of the work box platform (1); the rotating end of the second servo motor (23) is fixedly connected to an adjusting gear (24) that meshes with the support plate (2); and the support plate (2) and the surface of the work box platform (1) are rotatably connected.

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