Robot welding tongs with protection structure

Abstract

The utility model provides a robot electrode holder with a protective structure, which relates to the technical field of robot electrode holders, and comprises a square plate and a welding head, the bottom of the square plate is fixedly provided with a holder arm, one side of the square plate is fixedly provided with a telescopic cylinder, the output end of the telescopic cylinder is fixedly provided with a piston rod, and the piston rod is fixedly connected with the square plate. A vertical rod is fixedly installed at the top of the square plate, and a sliding groove is formed in one side of the vertical rod in a penetrating mode. According to the device, the vertical rod, the sliding groove, the rectangular plate, the transparent protective shell, the motor, the lead screw and other structures are arranged, the motor is started, the motor can drive the lead screw to rotate when working, and the lead screw can drive the rectangular plate to slide downwards in the sliding groove in the rotating process; the rectangular plate can drive the transparent protective shell to move downwards together in the downward sliding process, after the transparent protective shell moves by a certain distance, the transparent protective shell can shield a welding head and a welding object, then welding slag is effectively prevented from splashing easily in the welding process, and the welding safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of robot welding tongs, in particular to a robot welding tongs with a protective structure. Background Art

[0002] A robot welding tongs is an automated welding device, which is usually used for welding tasks on industrial production lines. Publication No. CN203804392U discloses a modular robot welding tongs, which consists of a fixed frame, a robot connection flange, a transformer, a cylinder, an upper clamp arm and a lower clamp arm. The modular robot welding tongs of the utility model have the following advantages: compact structure, convenient maintenance, flexible operation, light and small size, light weight and easy control, high welding precision, improved welding efficiency and welding quality, and safe and reliable welding process; compared with the traditional welding tongs structure, the problems of wrong welding and leaking welding are eliminated, and the stability of the welding working state is guaranteed. At the same time, the utility model has low production cost, convenient installation and easy promotion. However, the welding tongs are not provided with a protective structure, which leads to easy splashing of welding slag during welding, and the splashing welding slag will reduce the safety of the welding tongs when using it. The welding tongs still have shortcomings and need to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a robot welding tongs with a protective structure, comprising a square plate and a welding head, a tongs arm is fixedly installed on the bottom of the square plate, a telescopic cylinder is fixedly installed on one side of the square plate, a piston rod is fixedly installed on the output end of the telescopic cylinder, a vertical pole is fixedly installed on the top of the square plate, a slide groove is penetrated through one side of the vertical pole, a rectangular plate is slidably connected inside the slide groove, a transparent protective shell is fixedly installed on one side of the rectangular plate, a motor is fixedly installed on the top of the vertical pole, and a screw rod is fixedly installed on the output end of the motor.

[0005] Preferably, the screw rod is threadedly connected to the rectangular plate. Here, the upward and downward adjustment effect of the rectangular plate is improved by the threaded connection.

[0006] Preferably, a protective shell is fixedly mounted on one side of the square plate close to the telescopic cylinder, and heat dissipation grooves are symmetrically opened on both sides of the protective shell. Here, the protective shell improves the protection effect of the telescopic cylinder, and the heat dissipation effect of the telescopic cylinder is improved by the heat dissipation groove.

[0007] Preferably, a mounting plate is fixedly mounted on one end of the clamp arm, and mounting holes are symmetrically formed on the surface of the mounting plate. Here, the mounting plate and the mounting holes facilitate the fixing of the entire welding clamp to the robot.

[0008] Preferably, a fixing sleeve is fixedly installed on one end of the piston rod away from the telescopic cylinder and one side of the top of the clamp arm, a limiting hole is formed through the outer wall of the fixing sleeve, a plug post is slidably connected inside the fixing sleeve, a round hole is formed on the outer wall of the plug post, a spring is fixedly installed on the inner surface of the round hole, and an elastic pin is fixedly installed on one end of the spring away from the round hole. Here, by pressing the elastic pin, the elastic pin squeezes the spring and retracts into the round hole. During the retraction process, the elastic pin will move away from the limiting hole. After moving away, the plug post can be taken out from the inside of the fixing sleeve, thereby making it convenient for operators to replace damaged welding heads.

[0009] Preferably, the plug post and the welding head are fixedly connected. Here, the fixed connection facilitates the replacement of the plug post and the welding head together.

[0010] Preferably, the elastic pin is slidably connected to the circular hole, and the elastic pin is slidably connected to the limiting hole. Here, the use effect of the elastic pin is improved by the slidable connection.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, a vertical pole, a slide groove, a rectangular plate, a transparent protective shell, a motor and a screw rod are provided. When the motor is started, the motor will drive the screw rod to rotate. During the rotation of the screw rod, the rectangular plate will slide downward inside the slide groove. During the downward sliding of the rectangular plate, the transparent protective shell will be driven to move downward together. After moving a certain distance, the transparent protective shell will shield the welding head and the welding object, thereby effectively preventing the welding slag from splashing easily during the welding process, thereby improving the safety during welding.

[0013] 2. In the utility model, a fixing sleeve, a limiting hole, an insert column, a round hole, a spring and a spring pin are provided. By pressing the spring pin, the spring pin squeezes the spring and retracts into the round hole. During the retraction process, the spring pin will move away from the limiting hole. After moving away, the insert column can be taken out from the inside of the fixing sleeve, thereby making it convenient for operators to replace damaged welding heads and effectively avoiding the need to use tools during replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a schematic diagram of the overall structure of a robot welding tongs with a protective structure;

[0015] Figure 2 A schematic diagram of a partial explosion structure of a robot welding tongs with a protective structure is provided for the utility model;

[0016] Figure 3 The utility model proposes a schematic diagram of the explosion structure of a robot welding tongs with a protective structure;

[0017] Figure 4 The utility model proposes a robot welding clamp with a protective structure Figure 3 Enlarged view of point A in the middle.

[0018] Legend:

[0019] 1. Square plate; 2. Clamp arm; 3. Telescopic cylinder; 4. Piston rod; 5. Vertical rod; 6. Slide groove; 7. Rectangular plate; 8. Transparent protective shell; 9. Motor; 10. Screw rod; 11. Fixed sleeve; 12. Limit hole; 13. Plug column; 14. Welding head; 15. Round hole; 16. Spring; 17. Spring pin; 18. Protective shell; 19. Heat dissipation groove; 20. Mounting plate; 21. Mounting hole. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-4 The utility model provides a technical solution: a robot welding tongs with a protective structure, comprising a square plate 1 and a welding head 14, a tongs arm 2 is fixedly installed at the bottom of the square plate 1, a telescopic cylinder 3 is fixedly installed at one side of the square plate 1, a piston rod 4 is fixedly installed at the output end of the telescopic cylinder 3, a vertical pole 5 is fixedly installed at the top of the square plate 1, a slide groove 6 is penetrated through one side of the vertical pole 5, a rectangular plate 7 is slidably connected inside the slide groove 6, a transparent protective shell 8 is fixedly installed on one side of the rectangular plate 7, a motor 9 is fixedly installed on the top of the vertical pole 5, and a screw rod 10 is fixedly installed at the output end of the motor 9. By setting up structures such as the vertical pole 5, the slide groove 6, the rectangular plate 7, the transparent protective shell 8, the motor 9 and the screw rod 10, by starting the motor 9, the motor 9 will drive the screw rod 10 to rotate when it is working. During the rotation process, the screw rod 10 will drive the rectangular plate 7 to slide downward inside the slide groove 6. During the downward sliding process of the rectangular plate 7, the transparent protective shell 8 will move downward together. After moving a certain distance, the transparent protective shell 8 will shield the welding head 14 and the welding object, thereby effectively preventing the welding slag from splashing easily during the welding process, thereby improving the safety during welding.

[0024] See also Figure 1-3The screw rod 10 is threadedly connected to the rectangular plate 7, and the up and down adjustment effect of the rectangular plate 7 is improved through the threaded connection. A protective shell 18 is fixedly installed on the side of the square plate 1 close to the telescopic cylinder 3, and the protective shell 18 improves the protection effect of the telescopic cylinder 3. Heat dissipation grooves 19 are symmetrically opened on both sides of the protective shell 18, and the heat dissipation effect of the telescopic cylinder 3 is improved through the heat dissipation grooves 19. A mounting plate 20 is fixedly installed at one end of the clamp arm 2, and mounting holes 21 are symmetrically opened on the surface of the mounting plate 20. The mounting plate 20 and the mounting hole 21 facilitate the fixation of the entire welding clamp and the robot.

[0025] Embodiment 2

[0026] See also Figure 3-4 The end of the piston rod 4 away from the telescopic cylinder 3 is fixedly installed with a fixing sleeve 11 on the top side of the clamp arm 2. The outer wall of the fixing sleeve 11 is penetrated by a limiting hole 12. The interior of the fixing sleeve 11 is slidably connected with a plug post 13. The outer wall of the plug post 13 is provided with a circular hole 15. The inner surface of the circular hole 15 is fixedly installed with a spring 16. The end of the spring 16 away from the circular hole 15 is fixedly installed with an elastic pin 17. By pressing the elastic pin 17, the elastic pin 17 squeezes the spring 16 and retracts into the circular hole 15. During the retraction process, the elastic pin 17 will move away from the limiting hole 12. After moving away, the plug post 13 can be taken out from the interior of the fixing sleeve 11, thereby making it convenient for the operator to replace the damaged welding head 14. The plug post 13 is fixedly connected to the welding head 14. The fixed connection facilitates the replacement of the plug post 13 and the welding head 14 together. The elastic pin 17 is slidably connected to the circular hole 15, and the elastic pin 17 is slidably connected to the limiting hole 12. The use effect of the elastic pin 17 is improved by the sliding connection.

[0027] Working principle: When welding, the motor 9 can be started. When the motor 9 is working, it will drive the screw 10 to rotate. During the rotation process, the screw 10 will drive the rectangular plate 7 to slide downward inside the slide groove 6. During the downward sliding process of the rectangular plate 7, the transparent protective shell 8 will move downward together. After moving a certain distance, the transparent protective shell 8 will shield the welding head 14 and the welding object, thereby effectively preventing the welding slag from splashing easily during the welding process, thereby improving the safety during welding. When the welding head 14 is damaged and needs to be replaced, the elastic pin 17 can be pressed to make the elastic pin 17 squeeze the spring 16 and retract into the circular hole 15. During the retraction process, the elastic pin 17 will move away from the limiting hole 12. After moving away, the plug 13 can be taken out from the inside of the fixing sleeve 11, thereby making it convenient for the operator to replace the damaged welding head 14.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A robot welding tongs with a protective structure, comprising a square plate (1) and a welding head (14), characterized in that: A clamp arm (2) is fixedly mounted on the bottom of the square plate (1), a telescopic cylinder (3) is fixedly mounted on one side of the square plate (1), a piston rod (4) is fixedly mounted on the output end of the telescopic cylinder (3), a vertical rod (5) is fixedly mounted on the top of the square plate (1), a sliding groove (6) is penetrated through one side of the vertical rod (5), a rectangular plate (7) is slidably connected inside the sliding groove (6), a transparent protective shell (8) is fixedly mounted on one side of the rectangular plate (7), a motor (9) is fixedly mounted on the top of the vertical rod (5), and a screw rod (10) is fixedly mounted on the output end of the motor (9).

2. The robot welding tongs with a protective structure according to claim 1, characterized in that: The screw rod (10) is threadedly connected to the rectangular plate (7).

3. The robot welding tongs with a protective structure according to claim 1, characterized in that: A protective shell (18) is fixedly mounted on one side of the square plate (1) close to the telescopic cylinder (3), and heat dissipation grooves (19) are symmetrically provided on both sides of the protective shell (18).

4. The robot welding tongs with a protective structure according to claim 1, characterized in that: A mounting plate (20) is fixedly mounted on one end of the clamp arm (2), and mounting holes (21) are symmetrically formed through the surface of the mounting plate (20).

5. The robot welding tongs with a protective structure according to claim 1, characterized in that: A fixing sleeve (11) is fixedly mounted on one end of the piston rod (4) away from the telescopic cylinder (3) and on one side of the top of the clamp arm (2); a limiting hole (12) is formed through the outer wall of the fixing sleeve (11); a plug post (13) is slidably connected to the interior of the fixing sleeve (11); a circular hole (15) is formed on the outer wall of the plug post (13); a spring (16) is fixedly mounted on the inner surface of the circular hole (15); and a spring pin (17) is fixedly mounted on the end of the spring (16) away from the circular hole (15).

6. The robot welding tongs with a protective structure according to claim 5, characterized in that: The plug post (13) and the welding head (14) are fixedly connected.

7. The robot welding tongs with a protective structure according to claim 5, characterized in that: The elastic pin (17) is slidably connected to the circular hole (15), and the elastic pin (17) is slidably connected to the limiting hole (12).

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