Welding robot

Abstract

The utility model provides a welding robot, belongs to the technical field of welding devices, and aims to solve the problems that in the using process of an existing welding robot, after a welding wire of the welding robot is used up, the welding robot needs to be shut down for a long time, machining can be continued only after a used-up wire reel is replaced, the interval time is long, and the machining efficiency is high. The device comprises two supporting rods, and the two supporting rods are both fixedly connected to the outer side of a base; the rotating plate is rotationally connected to the outer side of the upper end of the base; the mechanical arm is fixedly installed on the upper end face of the base. The welding gun is fixedly mounted at the front end of the mechanical arm; the number of the wire feeders is two, and the two wire feeders are fixedly installed on the upper end face of the rotating plate. The number of the hinged doors is two, and the two hinged doors are hinged to the outer sides of the two wire feeders respectively. Through the arrangement of the wire feeder switching device, switching of the wire feeders is achieved, the downtime is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding devices, and more specifically, relates to a welding robot. Background Art

[0002] A welding robot is a multi-purpose, reprogrammable automatic control operating machine, mainly used in industrial automation fields such as welding. During the welding process, the welding robot will automatically run according to the programmed program to weld the workpiece.

[0003] According to application number CN201820023795.1, a welding robot is disclosed, which relates to the technical field of production automation equipment. It includes a base, an X-axis, a Y-axis, a Z-axis, an R-axis, a ball screw mechanism, a servo motor, a reducer, a double-roll wire feeder, a solenoid valve, a welding gun, an insulated bakelite board, and welding wire. The base is provided with an X-axis, a Z-axis is fixed to the X-axis, a Y-axis is fixed to the Z-axis, and a ball screw mechanism is provided in each of the X-axis, Y-axis, and Z-axis, and the servo motor is connected to the ball screw mechanism. The Y-axis is provided with an R-axis, which is connected to the servo motor via a reducer. The Y-axis end is connected to the double-roll wire feeder, and the servo motor connected to the double-roll wire feeder is provided with a solenoid valve. The welding wire is connected to the double-roll wire feeder. The R-axis is connected to the welding gun, and the welding gun is mounted with an insulated bakelite board. The utility model uses an anti-collision welding gun and a double-roll wire feeder, and the fixing method is built-in footrest, which has a more beautiful and novel appearance.

[0004] Based on the above, when the welding wire of the existing welding robot is used up, the robot needs to stop for a long time and replace the used wire reel before continuing processing. The interval is long, which affects work efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a welding robot to solve the problem that when the welding wire of the existing welding robot is used up, the robot needs to stop for a long time to replace the used welding wire reel before it can continue processing, and the interval time is long, which affects work efficiency.

[0006] The purpose and function of the welding robot of this utility model are achieved by the following specific technical means:

[0007] A welding robot comprises a base, a support rod, a rotating plate, a robotic arm, a welding gun, a wire feeder, a hinged door, a switching mechanism and a protective mechanism; the support rods are provided with two, and both support rods are fixedly connected to the outside of the base; the rotating plate is rotatably connected to the outside of the upper end of the base; the robotic arm is fixedly mounted on the upper end surface of the base; the welding gun is fixedly mounted on the front end of the robotic arm; the wire feeders are provided with two, and both wire feeders are fixedly mounted on the upper end surface of the rotating plate; the hinged doors are provided with two, and the two hinged doors are respectively connected to the outside of the two wire feeders; the switching mechanism is arranged on the upper end surface of the rotating plate; the protective mechanism is arranged on the outside of the welding gun.

[0008] Furthermore, the switching mechanism includes: a positioning ball and a positioning spring; there are two positioning balls, which are respectively slidably connected to the inner sides of the two support rods, and the two positioning balls are respectively against the inner side of the lower end of the rotating plate; there are two positioning springs, the upper ends of the two positioning springs are respectively fixedly connected to the outer sides of the two positioning balls, and the lower ends of the two positioning springs are respectively fixedly connected to the inner sides of the two support rods.

[0009] Furthermore, the switching mechanism also includes: a fixed bracket, a fixed shaft, a welding wire roller, a sliding rod, a sunken groove and a compression spring; there are two fixed brackets, and the two fixed brackets are respectively fixedly connected to the outside of the two wire feeders; there are two fixed shafts, and the two fixed shafts are respectively fixedly connected to the inside of the two wire feeders; there are two welding wire rollers, and the two welding wire rollers are respectively rotatably connected to the outside of the two fixed shafts; there are two sliding rods, and the two sliding rods are respectively slidably connected to the inside of the two wire feeders; there are two sunken grooves, and the two sunken grooves are respectively opened on the outside of the two sliding rods; there are two compression springs, one end of the two compression springs is respectively fixedly connected to the outside of the two sliding rods, and the other end of the two compression springs is respectively fixedly connected to the inside of the two fixed brackets.

[0010] Furthermore, the switching mechanism also includes: a pressing rod, a tension spring, a pressing switch and an alarm; there are two pressing rods, and the two pressing rods are respectively slidably connected to the inner sides of the two wire feeders; there are two groups of tension springs, one end of the two groups of tension springs are respectively fixedly connected to the outer sides of the two pressing rods, and the other ends of the two groups of tension springs are respectively fixedly connected to the inner sides of the two wire feeders; there are two pressing switches, and the two pressing switches are respectively fixedly installed on the upper end surfaces of the two wire feeders; there are two alarms, and the two alarms are respectively fixedly installed on the upper end surfaces of the two wire feeders.

[0011] Furthermore, the protective mechanism includes: a sliding cylinder, a protective cover, a return spring and a metal block; the sliding cylinder is slidably connected to the outside of the welding gun; the protective cover is threadedly connected to the lower end of the sliding cylinder; there are multiple return springs, the lower ends of the multiple return springs are fixedly connected to the outside of the sliding cylinder, and the upper ends of the multiple return springs are fixedly connected to the outside of the welding gun; there are multiple metal blocks, and the multiple metal blocks are fixedly connected to the outside of the sliding cylinder.

[0012] Furthermore, the protection mechanism also includes: a fixing frame and an electromagnet; there are multiple fixing frames, and the multiple fixing frames are fixedly connected to the outside of the welding gun; there are multiple electromagnets, and the multiple electromagnets are respectively fixedly installed at the lower ends of the multiple fixing frames.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The utility model realizes the switching of the wire feeder by the setting of the switching mechanism. When the welding wire wound on the wire roller is used up, the sliding rod will be against the outer side of the wire roller under the action of the compression spring. At this time, the pressing rod will slide into the sunken groove of the sliding rod. The sliding of the pressing rod will press the press switch. At this time, the alarm emits a sound to remind the staff. The wire feeder is switched by rotating the rotating plate, and the welding robot can continue to run. At the same time, the used welding wire roller can be replaced, which reduces downtime and improves work efficiency. The utility model realizes protection during welding by the setting of the protective mechanism. When the welding robot starts to weld the workpiece, the electromagnet will be powered on. At this time, the electromagnet will generate magnetic force to adsorb the metal block, and the sliding cylinder will drive the protective cover to slide downward to block the welding part of the welding gun, preventing strong light from piercing the eyes of the staff, improving safety and ensuring the health of the staff. The utility model realizes the switching of the wire feeder by the setting of the above-mentioned mechanism, reducing downtime, improving work efficiency, and realizing protection during welding, improving safety and ensuring the health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the main body of the utility model.

[0016] Figure 2 It is a structural schematic diagram of a cross-section of the support rod of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the sliding rod of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the pressing rod of the utility model.

[0019] Figure 5 It is a structural schematic diagram of the protective cover of the utility model.

[0020] Figure 6 This utility model Figure 5 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0021] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0022] 1. Base; 2. Support rod; 3. Rotating plate; 4. Robotic arm; 5. Welding gun; 6. Wire feeder; 601, Fixed bracket; 7. Hinged door; 8. Positioning ball; 9. Positioning spring; 10. Fixed shaft; 11. Wire roller; 12. Sliding rod; 1201, Sunken groove; 13. Compression spring; 14. Pressing rod; 15. Tension spring; 16. Press switch; 17. Warning device; 18. Sliding cylinder; 19. Protective cover; 20. Return spring; 21. Metal block; 22. Fixed bracket; 23. Electromagnet. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0024] Example 1:

[0025] As attached Figure 1-Figure 4 As shown:

[0026] The utility model provides a welding robot, comprising a base 1, a support rod 2, a rotating plate 3, a mechanical arm 4, a welding gun 5, a wire feeder 6, a hinged door 7 and a switching mechanism; two support rods 2 are provided, and the two support rods 2 are fixedly connected to the outer side of the base 1; the rotating plate 3 is rotatably connected to the outer side of the upper end of the base 1; the mechanical arm 4 is fixedly mounted on the upper end surface of the base 1; the welding gun 5 is fixedly mounted on the front end of the mechanical arm 4; two wire feeders 6 are provided, and the two wire feeders 6 are fixedly mounted on the upper end surface of the rotating plate 3; two hinged doors 7 are provided, and the two hinged doors 7 are respectively connected to the outer sides of the two wire feeders 6; the switching mechanism is arranged on the upper end surface of the rotating plate 3.

[0027] Among them, the switching mechanism includes: a fixed bracket 601, a positioning ball 8, a positioning spring 9, a fixed shaft 10, a welding wire roller 11, a sliding rod 12, a sunken groove 1201, a compression spring 13, a pressing rod 14, a tension spring 15, a press switch 16 and an alarm 17; there are two fixed brackets 601, and the two fixed brackets 601 are respectively fixedly connected to the outside of the two wire feeders 6; there are two positioning balls 8, and the two positioning balls 8 are respectively slidably connected to the inner sides of the two support rods 2, and the two positioning balls 8 are respectively against the inner sides of the lower ends of the rotating plate 3; there are two positioning springs 9, and the upper ends of the two positioning springs 9 are respectively fixedly connected to the outsides of the two positioning balls 8, and the lower ends of the two positioning springs 9 are respectively fixedly connected to the inner sides of the two support rods 2; there are two fixed shafts 10, and the two fixed shafts 10 are respectively fixedly connected to the inner sides of the two wire feeders 6; there are two welding wire rollers 11, and the two welding wire rollers 11 are respectively rotatably connected to the outsides of the two fixed shafts 10; There are two rods 12, and the two sliding rods 12 are respectively slidably connected to the inner sides of the two wire feeders 6; there are two sunken grooves 1201, and the two sunken grooves 1201 are respectively opened on the outer sides of the two sliding rods 12; there are two compression springs 13, one end of the two compression springs 13 is respectively fixedly connected to the outer sides of the two sliding rods 12, and the other ends of the two compression springs 13 are respectively fixedly connected to the inner sides of the two fixed brackets 601; there are two pressing rods 14, and the two pressing rods 14 are respectively slidably connected to the inner sides of the two wire feeders 6; there are two groups of tension springs 15, one end of the two groups of tension springs 15 is respectively fixedly connected to the outer sides of the two pressing rods 14, and the other ends of the two groups of tension springs 15 are respectively fixedly connected to the inner sides of the two wire feeders 6; there are two press switches 16, and the two press switches 16 are respectively fixedly installed on the upper end surfaces of the two wire feeders 6; there are two alarms 17, and the two alarms 17 are respectively fixedly installed on the upper end surfaces of the two wire feeders 6.

[0028] The specific usage and function of this embodiment: when the welding wire wound on the welding wire roller 11 is used up, the sliding rod 12 will press against the outside of the welding wire roller 11 under the action of the compression spring 13. At this time, the pressing rod 14 will slide into the sunken groove 1201 of the sliding rod 12. The sliding of the pressing rod 14 will press the press switch 16. At this time, the alarm 17 makes a sound to remind the staff. By rotating the rotating plate 3 to switch the wire feeder 6, the welding robot can continue to run, and the used welding wire roller 11 can be replaced at the same time. The setting of the positioning ball 8 and the positioning spring 9 can position the rotating plate 3.

[0029] Example 2:

[0030] Based on the first embodiment, Figure 5-Figure 6As shown, the protective mechanism includes: a sliding cylinder 18, a protective cover 19, a return spring 20, a metal block 21, a fixing frame 22 and an electromagnet 23; the protective mechanism is arranged on the outside of the welding gun 5; the sliding cylinder 18 is slidably connected to the outside of the welding gun 5; the protective cover 19 is threadedly connected to the lower end of the sliding cylinder 18; there are multiple return springs 20, and the lower ends of the multiple return springs 20 are fixedly connected to the outside of the sliding cylinder 18, and the upper ends of the multiple return springs 20 are fixedly connected to the outside of the welding gun 5; there are multiple metal blocks 21, and the multiple metal blocks 21 are fixedly connected to the outside of the sliding cylinder 18; there are multiple fixing frames 22, and the multiple fixing frames 22 are fixedly connected to the outside of the welding gun 5; there are multiple electromagnets 23, and the multiple electromagnets 23 are respectively fixedly mounted on the lower ends of the multiple fixing frames 22.

[0031] The specific usage and function of this embodiment are as follows: when the welding robot starts to weld the workpiece, the electromagnet 23 will be powered on. At this time, the electromagnet 23 will generate magnetic force to adsorb the metal block 21, and the sliding cylinder 18 will drive the protective cover 19 to slide downward to block the welding point of the welding gun 5 to prevent the strong light from hurting the eyes of the workers.

[0032] In this article, there are several points to note:

[0033] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A welding robot, comprising a base (1), a support rod (2), a rotating plate (3), a mechanical arm (4), a welding gun (5), a wire feeder (6), a hinged door (7), a switching mechanism and a protective mechanism; the support rods (2) are provided with two, and the two support rods (2) are fixedly connected to the outside of the base (1); the rotating plate (3) is rotatably connected to the outside of the upper end of the base (1); the mechanical arm (4) is fixedly mounted on the upper end surface of the base (1); and the characteristics are: The welding gun (5) is fixedly mounted on the front end of the mechanical arm (4); two wire feeders (6) are provided, and both wire feeders (6) are fixedly mounted on the upper end surface of the rotating plate (3); two hinged doors (7) are provided, and the two hinged doors (7) are respectively connected to the outside of the two wire feeders (6); the switching mechanism is arranged on the upper end surface of the rotating plate (3); and the protective mechanism is arranged on the outside of the welding gun (5).

2. A welding robot according to claim 1, characterized in that: The switching mechanism comprises: a positioning ball (8) and a positioning spring (9); two positioning balls (8) are provided, and the two positioning balls (8) are respectively slidably connected to the inner sides of the two support rods (2), and the two positioning balls (8) are respectively against the inner side of the lower end of the rotating plate (3); two positioning springs (9) are provided, and the upper ends of the two positioning springs (9) are respectively fixedly connected to the outer sides of the two positioning balls (8), and the lower ends of the two positioning springs (9) are respectively fixedly connected to the inner sides of the two support rods (2).

3. A welding robot as claimed in claim 2, characterized in that: The switching mechanism further comprises: a fixed bracket (601), a fixed shaft (10), a welding wire roller (11), a sliding rod (12), a sunken groove (1201) and a compression spring (13); two fixed brackets (601) are provided, and the two fixed brackets (601) are respectively fixedly connected to the outside of the two wire feeders (6); two fixed shafts (10) are provided, and the two fixed shafts (10) are respectively fixedly connected to the inside of the two wire feeders (6); two welding wire rollers (11) are provided, and the two welding wire rollers (11) are respectively rotatably connected to the outside of the two wire feeders (6). The outer sides of the two fixed shafts (10); there are two sliding rods (12), and the two sliding rods (12) are respectively slidably connected to the inner sides of the two wire feeders (6); there are two sunken grooves (1201), and the two sunken grooves (1201) are respectively opened on the outer sides of the two sliding rods (12); there are two compression springs (13), one end of the two compression springs (13) is respectively fixedly connected to the outer sides of the two sliding rods (12), and the other end of the two compression springs (13) is respectively fixedly connected to the inner sides of the two fixed brackets (601).

4. A welding robot as claimed in claim 3, characterized in that: The switching mechanism further includes: a pressing rod (14), a tension spring (15), a pressing switch (16) and an alarm (17); the pressing rod (14) is provided with two, and the two pressing rods (14) are respectively slidably connected to the inner sides of the two wire feeders (6); the tension spring (15) is provided with two groups, one end of the two groups of tension springs (15) is respectively fixedly connected to the outer sides of the two pressing rods (14), and the other end of the two groups of tension springs (15) is respectively fixedly connected to the inner sides of the two wire feeders (6); the pressing switch (16) is provided with two, and the two pressing switches (16) are respectively fixedly installed on the upper end surfaces of the two wire feeders (6); the alarm (17) is provided with two, and the two alarms (17) are respectively fixedly installed on the upper end surfaces of the two wire feeders (6).

5. A welding robot according to claim 1, characterized in that: The protective mechanism includes: a sliding cylinder (18), a protective cover (19), a return spring (20) and a metal block (21); the sliding cylinder (18) is slidably connected to the outside of the welding gun (5); the protective cover (19) is threadedly connected to the lower end of the sliding cylinder (18); there are multiple return springs (20), the lower ends of the multiple return springs (20) are fixedly connected to the outside of the sliding cylinder (18), and the upper ends of the multiple return springs (20) are fixedly connected to the outside of the welding gun (5); there are multiple metal blocks (21), and the multiple metal blocks (21) are fixedly connected to the outside of the sliding cylinder (18).

6. A welding robot as claimed in claim 5, characterized in that: The protection mechanism further comprises: a fixing frame (22) and an electromagnet (23); the fixing frame (22) is provided in plurality, and the plurality of fixing frames (22) are all fixedly connected to the outside of the welding gun (5); the electromagnet (23) is provided in plurality, and the plurality of electromagnets (23) are respectively fixedly mounted on the lower ends of the plurality of fixing frames (22).

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