Pneumatic counterweight device of welding robot workstation

Abstract

The utility model discloses a pneumatic counterweight device of a welding robot workstation, which relates to the technical field of welding robots, is suitable for pneumatic counterweight of the welding robot workstation and comprises a supporting unit. The balance weight unit is arranged on the outer surface of the supporting unit, the supporting unit comprises a supporting assembly and an adjusting assembly arranged on the outer surface of the supporting assembly, and the balance weight unit comprises a driving assembly arranged on the outer surface of the supporting unit. Through mutual cooperation of the mounting base, the supporting frame, the expansion supporting table, the fixed supporting plate, the hydraulic cylinder, the supporting swing arm, the fixed supporting arm and the mounting bracket, the configuration device can be conveniently mounted, and the height of the configuration device can be adjusted according to requirements; the counterweight connecting rod, the annular steel column, the pneumatic cylinder, the bearing seat, the hoisting swing arm, the fixing bolt, the clamping bracket and the hoisting buckle are matched with one another, so that the counterweight can be conveniently extracted, and meanwhile, the angle of the clamping bracket can be adjusted as required in the extraction process.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robots, in particular to a pneumatic counterweight device for a welding robot workstation. Background Technique

[0002] With the continuous deepening and acceleration of the national industrialization level, the degree of automation in the production of the machinery manufacturing industry is also getting higher and higher. As an important part of the automated production line of welded structural parts, the welding robot workstation not only improves the welding efficiency but also ensures the welding quality and appearance. The counterweight device is applied to the C-shaped support of the welding machine workstation, greatly reducing the load of the lifting drive motor and also playing a role in preventing the welding robot from falling in the case of motor self-locking failure.

[0003] In the prior art, in the patent document with the publication number of CN216607746U, a pneumatic counterweight device for a welding robot workstation is proposed. Its technical solution is as follows: It includes a workstation table, a welding robot body is arranged inside the workstation table, a lifting mechanism is arranged on one side of the workstation table, and a pneumatic counterweight mechanism is arranged on the other side of the workstation table. The pneumatic counterweight mechanism includes a cylinder and two mounting seats. One side of each of the two mounting seats is fixedly connected to the workstation table. The beneficial effect of a pneumatic counterweight device for a welding robot workstation is that by setting the pneumatic counterweight mechanism, the upward lifting force generated by the cylinder can always be equal to the downward gravity of the welding robot body, thus greatly reducing the load-bearing capacity of the lifting mechanism, saving power consumption and reducing mechanical wear. By adjusting the precision pressure reducing valve, the excess gas in the cylinder can be discharged, so that the gas pressure in the cylinder cavity is always kept stable, thus ensuring the smoothness and safety of the descending process.

[0004] The following problems exist in the prior art:

[0005] The existing counterweight device is inconvenient to adjust the height and opening / closing angle during use, thereby reducing the flexibility of the counterweight device. Content of the Utility Model

[0006] The purpose of the utility model is to provide a pneumatic counterweight device for a welding robot workstation to solve the problems put forward in the above background technique.

[0007] To solve the above technical problems, the technical solution adopted by the utility model is:

[0008] The pneumatic counterweight device of the welding robot workstation is applicable to the pneumatic counterweight of the welding robot workstation, including a support unit; and a counterweight unit arranged on the outer surface of the support unit. The support unit includes a support assembly and an adjustment assembly arranged on the outer surface of the support assembly. The counterweight unit includes a driving assembly arranged on the outer surface of the support unit and a clamping assembly arranged on the outer surface of the driving assembly.

[0009] A further improvement of the technical solution of the present utility model lies in that: the support assembly includes a mounting base, the upper surface of the mounting base is fixedly connected with a support frame, and the upper surface of the support frame is detachably connected with an extended support platform.

[0010] By adopting the above technical solution, the mutual cooperation of the mounting base and the support frame can assist in the installation of the pneumatic counterweight device of the welding robot workstation.

[0011] A further improvement of the technical solution of the present utility model lies in that: the adjustment assembly includes a fixed support plate, one side of the fixed support plate is fixedly connected with the outer surface of the extended support platform, the upper surface of the fixed support plate is detachably connected with a hydraulic cylinder, the telescopic end of the hydraulic cylinder is rotatably connected with a support swing arm, and the outer surface of the support swing arm is rotatably connected with the inner wall of the extended support platform.

[0012] A further improvement of the technical solution of the present utility model lies in that: one end of the support swing arm is rotatably connected with a mounting bracket, the inner wall of the mounting bracket is detachably connected with a fixed support arm, and one end of the fixed support arm is fixedly connected with the inner wall of the extended support platform.

[0013] By adopting the above technical solution, the mutual cooperation of the extended support platform, the fixed support plate, the hydraulic cylinder, the support swing arm, the fixed support arm and the mounting bracket can facilitate the adjustment of the position and angle of the mounting bracket.

[0014] A further improvement of the technical solution of the present utility model lies in that: the driving assembly includes a counterweight connecting rod, the top of the counterweight connecting rod is fixedly connected with the inner wall of the mounting bracket, the bottom of the counterweight connecting rod is detachably connected with an annular steel column, the outer surface of the annular steel column is detachably connected with a pneumatic cylinder, and the bottom surface of the pneumatic cylinder is fixedly connected with a bearing seat.

[0015] By adopting the above technical solution, the mutual cooperation of the counterweight connecting rod, the annular steel column, the pneumatic cylinder and the bearing seat can facilitate the adjustment of the opening and closing angle of the clamping assembly.

[0016] A further improvement of the technical solution of the present utility model lies in that: the clamping assembly includes a hoisting swing arm, the inner wall of the hoisting swing arm is rotatably connected with the outer surface of the bearing seat, and the inner wall of the hoisting swing arm is detachably connected with the telescopic end of the pneumatic cylinder.

[0017] A further improvement of the technical solution of the present utility model lies in that: a clamping bracket is rotatably connected to the inner wall of the hoisting swing arm, a fixing bolt detachably connected to the inner wall of the hoisting swing arm is threadedly connected to the outer surface of the clamping bracket, and a hoisting buckle is fixedly connected to the outer surface of the clamping bracket.

[0018] With the above technical solution, the counterweight can be clamped by the mutual cooperation of the hoisting swing arm, the fixing bolt, the clamping bracket and the hoisting buckle.

[0019] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is:

[0020] The present utility model provides a pneumatic counterweight device for a welding robot workstation. The mutual cooperation of the mounting base, the support frame, the extended support platform, the fixed support plate, the hydraulic cylinder, the support swing arm, the fixed support arm and the mounting bracket can facilitate the installation of the counterweight device, and at the same time, the height of the counterweight device can be adjusted according to requirements, thereby increasing the flexibility of the pneumatic counterweight device for the welding robot workstation.

[0021] The present utility model provides a pneumatic counterweight device for a welding robot workstation. The mutual cooperation of the counterweight connecting rod, the annular steel column, the pneumatic cylinder, the bearing seat, the hoisting swing arm, the fixing bolt, the clamping bracket and the hoisting buckle can facilitate the extraction of the counterweight. At the same time, during the extraction process, the angle of the clamping bracket can be conveniently adjusted according to requirements, thereby increasing the practicability of the counterweight device. Description of the Drawings

[0022] Figure 1 is a structural schematic diagram of the present utility model;

[0023] Figure 2 is a front structural schematic diagram of the present utility model;

[0024] Figure 3 is a partial structural schematic diagram of the support unit of the present utility model;

[0025] Figure 4 is a structural schematic diagram of the counterweight unit of the present utility model;

[0026] Figure 5 is a partial structural schematic diagram of the counterweight unit of the present utility model.

[0027] In the figure: 1, support unit; 11, mounting base; 12, support frame; 13, extended support platform; 14, fixed support plate; 15, hydraulic cylinder; 16, support swing arm; 17, fixed support arm; 18, mounting bracket; 2, counterweight unit; 21, counterweight connecting rod; 22, annular steel column; 23, pneumatic cylinder; 24, bearing seat; 25, hoisting swing arm; 26, fixing bolt; 27, clamping bracket; 28, hoisting buckle. Detailed implementation mode

[0028] The following further non - restrictive and detailed description of the technical solution of the present utility model is made in conjunction with the preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-5 , the present utility model provides a technical solution: a pneumatic counterweight device for a welding robot workstation, including a support unit 1; and a counterweight unit 2 disposed on the outer surface of the support unit 1. The support unit 1 includes a support assembly and an adjustment assembly disposed on the outer surface of the support assembly. The counterweight unit 2 includes a drive assembly disposed on the outer surface of the support unit 1 and a clamping assembly disposed on the outer surface of the drive assembly.

[0030] The support assembly includes an installation base 11, the upper surface of the installation base 11 is fixedly connected with a support frame 12, and the upper surface of the support frame 12 is detachably connected with an extended support platform 13.

[0031] The adjustment assembly includes a fixed support plate 14, one side of the fixed support plate 14 is fixedly connected with the outer surface of the extended support platform 13, the upper surface of the fixed support plate 14 is detachably connected with a hydraulic cylinder 15, the telescopic end of the hydraulic cylinder 15 is rotatably connected with a support swing arm 16, and the outer surface of the support swing arm 16 is rotatably connected with the inner wall of the extended support platform 13.

[0032] One end of the support swing arm 16 is rotatably connected with an installation bracket 18, the inner wall of the installation bracket 18 is detachably connected with a fixed support arm 17, and one end of the fixed support arm 17 is fixedly connected with the inner wall of the extended support platform 13.

[0033] During the process of using the pneumatic counterweight device for the welding robot workstation, first, the pneumatic counterweight device for the welding robot workstation is installed and fixed by using the installation base 11, the support frame 12 and the extended support platform 13. Then, when the height of the counterweight unit 2 needs to be adjusted during the process of using the pneumatic counterweight device for the welding robot workstation, by starting the hydraulic cylinder 15, the drive end of the hydraulic cylinder 15 drives the support swing arm 16 to rotate under the limitation of the extended support platform 13, thereby assisting in adjusting the position and angle of the installation bracket 18, and further adjusting the height of the counterweight unit 2.

[0034] The drive assembly includes a counterweight connecting rod 21, the top of the counterweight connecting rod 21 is fixedly connected with the inner wall of the installation bracket 18, the bottom of the counterweight connecting rod 21 is detachably connected with an annular steel column 22, the outer surface of the annular steel column 22 is detachably connected with a pneumatic cylinder 23, and the bottom surface of the pneumatic cylinder 23 is fixedly connected with a bearing seat 24.

[0035] The clamping component includes a hoisting swing arm 25. The inner wall of the hoisting swing arm 25 is rotatably connected to the outer surface of the bearing seat 24, and the inner wall of the hoisting swing arm 25 is detachably connected to the telescopic end of the pneumatic cylinder 23.

[0036] A clamping bracket 27 is rotatably connected to the inner wall of the hoisting swing arm 25. A fixing bolt 26 that is detachably connected to the inner wall of the hoisting swing arm 25 is threadedly connected to the outer surface of the clamping bracket 27. A hoisting buckle 28 is fixedly connected to the outer surface of the clamping bracket 27.

[0037] When it is necessary to grab the configured object, by starting the pneumatic cylinder 23, the telescopic end of the pneumatic cylinder 23 drives the hoisting swing arm 25 to rotate under the limit of the bearing seat 24, thereby assisting in adjusting the opening and closing angle of the hoisting swing arm 25. During the process of adjusting the opening and closing of the hoisting swing arm 25, the angle of the clamping bracket 27 can be adjusted by rotating the fixing bolt 26, thereby facilitating the clamping of the counterweight.

[0038] Next, the working principle of the pneumatic counterweight device of the welding robot workstation will be specifically described.

[0039] As Figures 1-5 shown, during the use of the pneumatic counterweight device of the welding robot workstation, first, the pneumatic counterweight device of the welding robot workstation is installed and fixed by using the mounting base 11, the support frame 12, and the extended support platform 13. Then, when it is necessary to adjust the height of the counterweight unit 2 during the use of the pneumatic counterweight device of the welding robot workstation, by starting the hydraulic cylinder 15, the driving end of the hydraulic cylinder 15 drives the support swing arm 16 to rotate under the limit of the extended support platform 13, thereby assisting in adjusting the position and angle of the mounting bracket 18, and then adjusting the height of the counterweight unit 2. When it is necessary to grab the configured object, by starting the pneumatic cylinder 23, the telescopic end of the pneumatic cylinder 23 drives the hoisting swing arm 25 to rotate under the limit of the bearing seat 24, thereby assisting in adjusting the opening and closing angle of the hoisting swing arm 25. During the process of adjusting the opening and closing of the hoisting swing arm 25, the angle of the clamping bracket 27 can be adjusted by rotating the fixing bolt 26, thereby facilitating the clamping of the counterweight.

[0040] The above has generally described the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A pneumatic counterweight device for a welding robot workstation, suitable for a pneumatic counterweight for a welding robot workstation, comprising a support unit (1); and a counterweight unit (2) arranged on the outer surface of the support unit (1), characterized in that: The support unit (1) comprises a support component and an adjustment component arranged on the outer surface of the support component, and the counterweight unit (2) comprises a drive component arranged on the outer surface of the support unit (1) and a clamping component arranged on the outer surface of the drive component.

2. The pneumatic counterweight device for a welding robot workstation according to claim 1, characterized in that: The support assembly comprises a mounting base (11), the upper surface of the mounting base (11) is fixedly connected to a support frame (12), and the upper surface of the support frame (12) is detachably connected to an expansion support platform (13).

3. The pneumatic counterweight device for a welding robot workstation according to claim 2, characterized in that: The adjustment assembly comprises a fixed support plate (14), one side of the fixed support plate (14) is fixedly connected to the outer surface of the expansion support platform (13), the upper surface of the fixed support plate (14) is detachably connected to a hydraulic cylinder (15), the telescopic end of the hydraulic cylinder (15) is rotatably connected to a support swing arm (16), and the outer surface of the support swing arm (16) is rotatably connected to the inner wall of the expansion support platform (13).

4. The pneumatic counterweight device for a welding robot workstation according to claim 3, characterized in that: One end of the support swing arm (16) is rotatably connected to a mounting bracket (18), an inner wall of the mounting bracket (18) is detachably connected to a fixed support arm (17), and one end of the fixed support arm (17) is fixedly connected to the inner wall of the expansion support platform (13).

5. The pneumatic counterweight device for a welding robot workstation according to claim 1, characterized in that: The driving assembly comprises a counterweight connecting rod (21), the top of the counterweight connecting rod (21) is fixedly connected to the inner wall of the mounting bracket (18), the bottom of the counterweight connecting rod (21) is detachably connected to an annular steel column (22), the outer surface of the annular steel column (22) is detachably connected to a pneumatic cylinder (23), and the bottom surface of the pneumatic cylinder (23) is fixedly connected to a bearing seat (24).

6. The pneumatic counterweight device for a welding robot workstation according to claim 5, characterized in that: The clamping assembly comprises a lifting swing arm (25), the inner wall of the lifting swing arm (25) being rotatably connected to the outer surface of the bearing seat (24), and the inner wall of the lifting swing arm (25) being detachably connected to the telescopic end of the pneumatic cylinder (23).

7. The pneumatic counterweight device for a welding robot workstation according to claim 6, characterized in that: The inner wall of the lifting swing arm (25) is rotatably connected to a clamping bracket (27), the outer surface of the clamping bracket (27) is threadedly connected to a fixing bolt (26) detachably connected to the inner wall of the lifting swing arm (25), and the outer surface of the clamping bracket (27) is fixedly connected to a lifting buckle (28).

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