Wire feeding mechanism of welding robot

Abstract

The utility model relates to the technical field of welding equipment, and discloses a welding robot wire feeding mechanism which comprises a box body, a fixing base is fixedly installed at the bottom of the right side of the inner surface of the box body, a motor is installed on the back of the box body, and the output end of the motor penetrates through the box body and the side portion of the fixing base and is connected with a transmission gear. The outer surface of the transmission gear is connected with two linkage gears in a meshed mode. According to the welding wire feeding device, a motor drives a transmission gear to drive two linkage gears to rotate on the inner side of a fixing base, two feeding wheels are promoted to rotate, a screw rod is rotated to enable a pressing wheel to move downwards to be tightly attached to the upper end of a welding wire, and the welding wire is pressed on the surfaces of the feeding wheels; the two feeding wheels and the pressing wheel are used in cooperation, so that it is ensured that welding wires are output along a preset path in the welding wire feeding process, the welding wires are prevented from being scattered or deviating from the direction, the device can stably and efficiently send out the welding wires, and the welding quality and efficiency are improved.

Description

Technical Field

[0001] The present application relates to the field of welding equipment technology, and in particular to a wire feeding mechanism of a welding robot. Background Art

[0002] Welding robots are industrial robots that perform welding. According to the definition of the International Organization for Standardization, industrial robots belong to standard welding robots. Industrial robots are multi-purpose, reprogrammable automatic control manipulators with three or more programmable axes, used in the field of industrial automation. When welding, welding robots need to be equipped with wire feeding mechanisms to transport welding wire.

[0003] The existing wire feeding mechanism transports the welding wire by rotating two feeding wheels. It has a simple structure and may cause instability during the wire feeding process, thereby affecting the wire feeding efficiency. Therefore, we urgently need to provide a welding robot wire feeding mechanism. Utility Model Content

[0004] In order to solve the problems of instability and poor wire feeding efficiency during the wire feeding process, the present application provides a wire feeding mechanism for a welding robot.

[0005] The present application provides a welding robot wire feeding mechanism adopts the following technical solution:

[0006] A wire feeding mechanism of a welding robot comprises a box body, a fixed seat is fixedly installed at the bottom right side of the inner surface of the box body, a motor is installed at the back of the box body, the output end of the motor passes through the side of the box body and the fixed seat and is connected to a transmission gear, the outer surface of the transmission gear is meshed and connected to two linkage gears, one end of the two linkage gears is rotatably connected to the inner surface of the fixed seat, and a feeding wheel is fixedly installed at the other end of the linkage gear, two limiting grooves are symmetrically provided on both sides of the upper end of the fixed seat, a screw is threadedly connected to the top of the fixed seat, a fixing plate is fixedly installed at the bottom of the screw, and pressure wheels are rotatably connected to the bottom ends of the fixing plate.

[0007] Preferably, both ends of the fixing plate are respectively slidably connected to the inside of the two limiting grooves, and the two pressing wheels are respectively arranged directly above the two feeding wheels.

[0008] Preferably, slots are provided at upper and lower ends of the front surface of the box body, a transparent panel is provided on the front surface of the box body, and plug blocks are fixedly installed at upper and lower ends of the transparent panel.

[0009] Preferably, the outer surface of the plug is plugged into the inside of the slot, the transparent panel is detachably connected to the front surface of the box through the plug, and the wire feeding disc is rotatably connected to the left side of the inner surface of the box.

[0010] Preferably, a feeding port is opened at one right end of the box body, and a wire feeding hose is detachably connected to the outer end of the feeding port by bolts, and two mounting frames are evenly installed on the inner surface of the box body near the feeding port.

[0011] Preferably, the two mounting frames are respectively arranged on the left and right sides of the feeding port, and a slide groove is opened on the side of the mounting frame. Springs are fixedly installed at both upper and lower ends of the inner surfaces of the two slide grooves, and a wire guide wheel is fixedly installed at the other end of the spring, and the two ends of the two wire guide wheels are slidably connected to the inside of the slide groove.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The motor drives the transmission gear to drive the two linkage gears to rotate on the inner side of the fixed seat, so that the two feeding wheels rotate, and the screw rod is turned to make the pressing wheel move downward and fit tightly with the upper end of the welding wire to press the welding wire against the surface of the feeding wheel. The two feeding wheels and the pressing wheel are used in coordination to ensure that the welding wire is output along the preset path during the wire feeding process, so as to avoid the welding wire being scattered or deviating from the direction, so that the device can stably and efficiently deliver the welding wire, thereby improving the welding quality and efficiency;

[0014] 2. By setting a push-pull transparent panel on the front surface of the box, the protection of the device is improved, which prevents the welding wire from accidentally popping out and injuring the staff, and improves the safety of the working environment. The transparent panel is made of transparent acrylic material, which is convenient for users to check the wire feeding process without opening the box, thereby enhancing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall appearance structure of the embodiment of the application;

[0016] Figure 2 It is a schematic diagram of the internal structure of the box body of the embodiment of the application;

[0017] Figure 3 is a schematic diagram of the inner structure of the fixing seat of the embodiment of the application;

[0018] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the box body of the application embodiment.

[0019] Explanation of the accompanying drawings: 1. Box body; 2. Transparent panel; 3. Insert block; 4. Slot; 5. Wire feed disc; 6. Fixed seat; 7. Motor; 8. Transmission gear; 9. Linkage gear; 10. Feed wheel; 11. Limiting groove; 12. Screw; 13. Fixed plate; 14. Pressure wheel; 15. Feed port; 16. Mounting bracket; 17. Slide groove; 18. Spring; 19. Wire guide wheel; 20. Wire feed hose. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 This application is described in further detail.

[0021] The present application embodiment discloses a welding robot wire feeding mechanism, referring to Figure 1-Figure 4 , including a box body 1, a fixing seat 6 is fixedly installed at the bottom right side of the inner surface of the box body 1, a motor 7 is installed on the back of the box body 1, the output end of the motor 7 passes through the side of the box body 1 and the fixing seat 6 and is connected with a transmission gear 8, the outer surface of the transmission gear 8 is meshed and connected with two linkage gears 9, one end of the two linkage gears 9 is rotatably connected to the inner surface of the fixing seat 6, and a feeding wheel 10 is fixedly installed on the other end of the linkage gear 9. The transmission gear 8 is driven by the motor 7 to drive the two linkage gears 9 to rotate on the inner side of the fixing seat 6, so as to cause the two feeding wheels 10 to rotate. Two limiting grooves 11 are symmetrically provided on both sides of the upper end of the fixing seat 6, and a screw 12 is threadedly connected to the top of the fixing seat 6. The screw 12 A fixing plate 13 is fixedly installed at the bottom, and pressure wheels 14 are rotatably connected to the two ends of the bottom of the fixing plate 13. The screw 12 is rotated to make the fixing plate 13 drive the pressure wheel 14 to move downward and tightly fit the upper end of the welding wire to press the welding wire against the surface of the feeding wheel 10. The two ends of the fixing plate 13 are respectively slidably connected to the inside of the two limiting grooves 11 to improve the positioning accuracy and stability of the pressure wheel 14 when it moves up and down. The two pressure wheels 14 are respectively arranged directly above the two feeding wheels 10. When the two feeding wheels 10 and the pressure wheel 14 are used in conjunction with each other, the welding wire is ensured to be output along a preset path during the wire feeding process to avoid the welding wire being scattered or deviating from the direction, so that the device can stably and efficiently deliver the welding wire, thereby improving the welding quality and efficiency.

[0022] Reference Figure 1-Figure 4, slots 4 are provided at the upper and lower ends of the front surface of the box body 1, and a transparent panel 2 is provided on the front surface of the box body 1. The transparent panel 2 is made of transparent acrylic material, which is convenient for users to check the wire feeding process without opening the box body 1, thereby enhancing the practicality of the device. Plug blocks 3 are fixedly installed at the upper and lower ends of the transparent panel 2, and the outer surface of the plug block 3 is plugged into the inside of the slot 4. The transparent panel 2 is detachably connected to the front surface of the box body 1 through the plug block 3. By arranging a push-pull transparent panel 2 on the front surface of the box body 1, the protectiveness of the device is improved, the welding wire is prevented from accidentally popping out and injuring the staff, and the safety of the working environment is improved. The left side of the inner surface of the box body 1 is rotatably connected with a wire feeding disc 5, and a feeding port 15 is provided at one end of the right side of the box body 1. The feeding port 15 The outer end is detachably connected to a wire feeding hose 20 by bolts, and two mounting brackets 16 are evenly installed on the inner surface of the box body 1 near the feeding port 15. The two mounting brackets 16 are respectively arranged on the left and right sides of the feeding port 15, and a slide groove 17 is opened on the side of the mounting bracket 16. Springs 18 are fixedly installed at both upper and lower ends of the inner surfaces of the two slide grooves 17, and a wire guide wheel 19 is fixedly installed at the other end of the spring 18. The two ends of the two wire guide wheels 19 are slidably connected to the inside of the slide groove 17. The reset effect of multiple springs 18 is utilized, so that when the welding wire is transmitted in the middle of the two wire guide wheels 19, the two wire guide wheels 19 play a guiding role, ensuring that the welding wire can accurately pass through the feeding port 15 into the interior of the wire feeding hose 20, further improving the wire feeding stability of the device.

[0023] The implementation principle of a wire feeding mechanism of a welding robot in an embodiment of the present application is as follows: when using the device, the wire feeding reel 5 for storing the welding wire is installed inside the box body 1, and then one end of the welding wire is fed to the inside of the feeding port 15 along the upper ends of the two feeding wheels 10 and the middle side gaps of the two wire guide wheels 19, and then the screw 12 is rotated so that the fixing plate 13 drives the pressure wheel 14 to descend to press and fix the welding wire, and then the transparent panel 2 is pulled inward to close the box body 1, and finally the motor 7 is started to drive the transmission gear 8 to drive the two linkage gears 9 to rotate on the inner side of the fixed seat 6, so as to cause the two feeding wheels 10 to rotate, and under the action of the pressure wheel 14, the welding wire is output along the preset path, and enters the inside of the wire feeding hose 20 through the feeding port 15 for stable wire feeding.

[0024] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0025] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model 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 utility model can be combined with each other;

[0026] 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.

[0027] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A welding robot wire feeding mechanism, comprising a box (1), characterized in that: A fixing seat (6) is fixedly installed at the bottom right side of the inner surface of the box body (1), and a motor (7) is installed at the back of the box body (1). The output end of the motor (7) passes through the side of the box body (1) and the fixing seat (6) and is connected to a transmission gear (8). The outer surface of the transmission gear (8) is meshedly connected with two linkage gears (9), one end of the two linkage gears (9) is rotatably connected to the inner surface of the fixing seat (6), and the other end of the linkage gear (9) is fixedly installed with a feeding wheel (10). Two limiting grooves (11) are symmetrically provided on both sides of the upper end of the fixing seat (6), and a screw rod (12) is threadedly connected to the top of the fixing seat (6), and a fixing plate (13) is fixedly installed at the bottom of the screw rod (12), and pressure wheels (14) are rotatably connected to the bottom two ends of the fixing plate (13).

2. A welding robot wire feeding mechanism according to claim 1, characterized in that: The two ends of the fixing plate (13) are respectively slidably connected to the inside of the two limiting grooves (11), and the two pressing wheels (14) are respectively arranged directly above the two feeding wheels (10).

3. A welding robot wire feeding mechanism according to claim 1, characterized in that: Slots (4) are provided at the upper and lower ends of the front surface of the box body (1), a transparent panel (2) is provided on the front surface of the box body (1), and plug blocks (3) are fixedly installed at the upper and lower ends of the transparent panel (2).

4. A welding robot wire feeding mechanism according to claim 3, characterized in that: The outer surface of the plug block (3) is plugged into the interior of the slot (4); the transparent panel (2) is detachably connected to the front surface of the box body (1) via the plug block (3); and a wire feeding disc (5) is rotatably connected to the left side of the inner surface of the box body (1).

5. A welding robot wire feeding mechanism according to claim 1, characterized in that: A feeding port (15) is provided at one right end of the box body (1), and a wire feeding hose (20) is detachably connected to the outer end of the feeding port (15) via bolts. Two mounting brackets (16) are evenly mounted on the inner surface of the box body (1) near the feeding port (15).

6. A welding robot wire feeding mechanism according to claim 5, characterized in that: The two mounting frames (16) are respectively arranged on the left and right sides of the feeding port (15), and a slide groove (17) is opened on the side of the mounting frame (16). Springs (18) are fixedly installed at both upper and lower ends of the inner surfaces of the two slide grooves (17), and a wire guide wheel (19) is fixedly installed at the other end of the spring (18). The two ends of the two wire guide wheels (19) are slidably connected to the inside of the slide groove (17).

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