Servo wire feeding device of automatic welding robot

Abstract

The utility model discloses a servo wire feeding device of an automatic welding robot, which comprises a mounting plate, a first vertical plate and a second vertical plate are mounted on the mounting plate, a connecting component is mounted on the left side surface of the first vertical plate, and a sliding rail is mounted on the front side surface of the first vertical plate. A driving assembly is arranged on the rear surface of the first vertical plate, a driving wheel is arranged on the front side of the first vertical plate, the driving assembly penetrates through the first vertical plate to be connected with the driving wheel, a pressing assembly is assembled on the first vertical plate, a movable rod is rotationally installed on the rear surface of the first vertical plate, and the movable rod is connected with the pressing assembly; by means of the device, the welding wire can be kept under proper pressure, slipping of the welding wire is prevented, the welding wire is tensioned and prevented from being separated from the device, the wire feeding precision is improved, the welding quality is improved, and the problems in the background technology can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding machinery, in particular to a servo wire feeding device for an automatic welding robot. Background Technique

[0002] With the continuous development of industrial automation technology, automatic welding robots are increasingly widely used in the manufacturing industry. During the automatic welding process, the stable feeding of the welding wire is one of the key factors to ensure the quality of the weld seam.

[0003] Chinese Patent No. CN220278542U discloses a servo wire feeding device for an automatic welding robot, including an installation box. A wire winding wheel is rotatably installed inside the installation box, and a stabilizing structure is arranged inside the installation box. The stabilizing structure includes a fixed seat fixedly installed on the inner wall of the installation box, and a first guiding wheel and a traction wheel are rotatably installed on the top of the fixed seat. For this servo wire feeding device of the automatic welding robot, by arranging the fixed seat and the moving seat located inside the installation box to respectively install the first guiding wheel and the second guiding wheel, and through the fitting and rolling of the first guiding wheel and the second guiding wheel, the transmission of the welding wire is stabilized. By arranging the traction wheel to be simultaneously meshed with the two first guiding wheels in a toothed manner, the transmission speeds of the two first guiding wheels for the welding wire are made the same, improving the feeding accuracy of the welding wire under stable transmission. By arranging the guiding plate and the adjusting seat to rotate and pull the screw rod, the adjustment and use of the device are convenient, improving the practicability of the device.

[0004] However, when this technology is used, during wire feeding, the wire feeding speed cannot be adjusted, the welding wire cannot be kept in a taut state, the wire feeding accuracy is insufficient, and the welding wire is easily separated from the wire feeding mechanism. Therefore, it is necessary to further improve the servo wire feeding device of the automatic welding robot. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the existing defects, and provide a servo wire feeding device for an automatic welding robot, which can keep the welding wire under appropriate pressure, prevent the welding wire from slipping, and tighten the welding wire to prevent the welding wire from separating from the device, improve the wire feeding accuracy, and improve the welding quality, and can effectively solve the problems in the background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A servo wire feeding device for an automatic welding robot, including a mounting plate, on which a first vertical plate and a second vertical plate are mounted. A connecting component is mounted on the left side surface of the first vertical plate, a slide rail is mounted on the front side surface of the first vertical plate, a dust removal component is assembled on the slide rail, a driving component is arranged on the rear surface of the first vertical plate, a driving wheel is arranged on the front side of the first vertical plate, the driving component passes through the first vertical plate and is connected to the driving wheel, a pressing component is assembled on the first vertical plate, a movable rod is rotatably mounted on the rear surface of the first vertical plate, the movable rod is connected to the pressing component, a tensioning component is mounted on the movable rod, the tensioning component is connected to the first vertical plate, two vertically offset long strip mounting grooves are formed on the first vertical plate, a tensioning component is arranged in the long strip mounting groove, an L-shaped movable column is mounted on the tensioning component, a tensioning wheel is rotatably mounted at one end of the L-shaped movable column away from the tensioning component, a limiting component is arranged on the rear surface of the first vertical plate, the limiting component is assembled on the L-shaped movable column, a mounting column and a correction component are mounted on the second vertical plate, and an anti-disengagement component is mounted at the end of the mounting column away from the second vertical plate.

[0007] As a preferred technical solution of the present utility model, the dust removal component includes a fixed plate, a dust removal cloth and a movable plate. The fixed plate is fixedly mounted on the slide rail, the movable plate is slidably mounted on the slide rail, a locking stud is mounted on the movable plate, there are two dust removal cloths, and the dust removal cloths are respectively mounted on the upper surface of the movable plate and the lower surface of the fixed plate.

[0008] As a preferred technical solution of the present utility model, the pressing component includes a driven wheel, a fixed shaft and an arc-shaped groove. The driven wheel is rotatably mounted on the fixed shaft, the fixed shaft is assembled inside the arc-shaped groove, and the fixed shaft is fixedly connected to the movable rod. The arc-shaped groove is formed on the first vertical plate.

[0009] As a preferred technical solution of the present utility model, the anti-disengagement component includes a retaining strip, a pin shaft and a movable groove. The movable groove is formed on the retaining strip, the pin shaft is assembled inside the movable groove, and the pin shaft is connected to the mounting column. The retaining strip is arranged inside the assembly groove at the end of the mounting column.

[0010] As a preferred technical solution of the present utility model, the connecting component includes a connecting head and a fixing strip. The connecting head is mounted on the fixing strip, and the fixing strip is mounted on the first vertical plate.

[0011] As a preferred technical solution of the present utility model, the correction component includes a special-shaped strip and a correction ring. The correction ring is mounted at the end of the special-shaped strip, and the other end of the special-shaped strip is connected to the second vertical plate.

[0012] As a preferred technical solution of the present utility model, the driving component includes a reduction gear and a servo motor. The reduction gear and the servo motor are mounted on the first vertical plate. The input shaft of the reduction gear is connected to the end of the output shaft of the servo motor, and the output shaft of the reduction gear passes through the first vertical plate and is fixedly connected to the driving wheel.

[0013] As a preferred technical solution of the utility model, the limit assembly includes a first limit plate, a limit column and a second limit plate. The first limit plate and the second limit plate are respectively installed on the upper and lower sides of the long mounting groove of the first vertical plate. The two ends of the limit column are respectively connected to the first limit plate and the second limit plate. The limit column is assembled in the limit hole of the L-shaped movable column.

[0014] As a preferred technical solution of the utility model, the tensioning assembly includes a spring and a sliding column. The sliding column is installed inside the long installation groove of the first vertical plate, and the sliding column is assembled in the sliding hole of the L-shaped movable column. The spring is sleeved on the sliding column.

[0015] As a preferred technical solution of the utility model, the tensioning assembly includes a first clamping ring, a tension spring and a second clamping ring. The first clamping ring is installed on the movable rod, the second clamping ring is installed on the first vertical plate, and the two ends of the tension spring are respectively clamped on the first clamping ring and the second clamping ring.

[0016] The working principle and use principle of the utility model are as follows: the device is installed on the automatic welding robot through the mounting plate, the blocking bar is pulled to make the blocking bar move along the pin shaft, and the blocking bar is rotated so that the blocking bar and the mounting column are in a straight line. At this time, the welding wire reel can be placed on the mounting column, and the blocking bar is toggled so that the blocking bar is perpendicular to the mounting column by gravity. At this time, the blocking bar can prevent the welding wire reel from separating from the mounting column, and the welding wire is pulled through the correction ring and around the two tensioning wheels up and down so that the welding wire is located between the driving wheel and the driven wheel. An upward pulling force can be applied to the movable rod through the tension spring, and the movable rod drives the fixed shaft and the driven wheel to be pressed in the direction of the driving wheel. The movable plate can move along the slide rail, and the movable plate can be fixed by the locking stud. The welding wire can be clamped between the fixed plate and the moving plate by moving the moving plate, and the dust on the surface of the welding wire can be cleaned by the dust removal cloth. When the servo motor is running, it is decelerated and rotated by the reducer, and the reducer drives the rotation of the driving wheel, and the driving wheel drives the movement of the welding wire to complete the wire feeding action. The reducer can prevent the wire feeding speed from being too fast, and the servo motor can also adjust the running speed, so as to adjust the wire feeding speed. The correction ring can limit the welding wire to ensure that the welding wire is prevented from detaching from the tensioning wheel and the driving wheel during wire feeding. When the welding wire passes through the tensioning wheel, the L-shaped movable column can be forced to move, so that the spring is forced, and the spring can apply a reaction force to the L-shaped movable column, so that the welding wire is tightened.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: The servo motor can quickly and accurately adjust the rotational speed to meet the requirements of different welding processes. The reduction gearbox can reduce the output rotational speed of the servo motor and increase the torque to ensure the smoothness of the wire feeding process. The driven wheel can always maintain an appropriate pressure on the driving wheel through the tension spring to prevent the welding wire from slipping on the driving wheel. The two groups of L-shaped movable columns and the tensioning wheels can tension the welding wire to improve the wire feeding accuracy. The dust removal cloth can remove the dust on the surface of the welding wire to improve the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the rear side structure of the present utility model;

[0020] Figure 3 is an enlarged schematic diagram of part A of the present utility model;

[0021] Figure 4 is an enlarged schematic diagram of part B of the present utility model.

[0022] In the figure: 1, mounting plate; 2, first vertical plate; 3, slide rail; 4, dust removal assembly; 401, fixed plate; 402, dust removal cloth; 403, moving plate; 5, driving wheel; 6, pressing assembly; 601, driven wheel; 602, fixed shaft; 603, arc groove; 7, L-shaped movable column; 8, tensioning wheel; 9, mounting column; 10, anti-disengagement assembly; 1001, bar; 1002, pin shaft; 1003, movable groove; 11, second vertical plate; 12, connecting assembly; 1201, connecting head; 1202, fixed strip; 13, straightening assembly; 1301, special-shaped strip; 1302, straightening ring; 14, driving assembly; 1401, reduction gearbox; 1402, servo motor; 15, limiting assembly; 1501, first limiting plate; 1502, limiting column; 1503, second limiting plate; 16, tensioning assembly; 1601, spring; 1602, sliding column; 17, tensioning assembly; 1701, first snap ring; 1702, tension spring; 1703, second snap ring; 18, movable rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4, the present utility model provides a technical solution: a servo wire feeding device for an automatic welding robot, including a mounting plate 1, on which a first vertical plate 2 and a second vertical plate 11 are mounted. A connecting component 12 is mounted on the left side surface of the first vertical plate 2. The connecting component 12 includes a connecting head 1201 and a fixing strip 1202. The connecting head 1201 is mounted on the fixing strip 1202, and the fixing strip 1202 is mounted on the first vertical plate 2. The connecting head 1201 can be connected to an external welding gun wire feeding pipe, facilitating the wire feeding operation of the welding wire, preventing the welding wire from getting stuck and knotted. A slide rail 3 is mounted on the front side surface of the first vertical plate 2, and a dust removal component 4 is assembled on the slide rail 3. The dust removal component 4 includes a fixed plate 401, a dust removal cloth 402, and a moving plate 403. The fixed plate 401 is fixedly mounted on the slide rail 3, the moving plate 403 is slidably mounted on the slide rail 3, and a locking stud is mounted on the moving plate 403. There are two dust removal cloths 402, which are respectively mounted on the upper surface of the moving plate 403 and the lower surface of the fixed plate 401. The moving plate 403 can move along the slide rail 3, and the moving plate 403 can be fixed by the locking stud. By moving the moving plate 403, the welding wire can be clamped between the fixed plate 401 and the moving plate 403, and the floating dust on the surface of the welding wire can be cleaned by the dust removal cloth 402. A driving component 14 is arranged on the rear surface of the first vertical plate 2, and a driving wheel 5 is arranged on the front side of the first vertical plate 2. The driving component 14 passes through the first vertical plate 2 and is connected to the driving wheel 5. The driving component 14 includes a reduction gear 1401 and a servo motor 1402. The reduction gear 1401 and the servo motor 1402 are mounted on the first vertical plate 2. The input shaft of the reduction gear 1401 is connected to the end of the output shaft of the servo motor 1402. The output shaft of the reduction gear 1401 passes through the first vertical plate 2 and is fixedly connected to the driving wheel 5. When the servo motor 1402 is running, it rotates at a reduced speed through the reduction gear 1401 to prevent the wire feeding speed from being too fast. The servo motor 1402 can adjust the running speed, thereby adjusting the wire feeding speed. A pressing component 6 is assembled on the first vertical plate 2. The pressing component 6 includes a driven wheel 601, a fixed shaft 602, and an arc-shaped groove 603. The driven wheel 601 is rotatably mounted on the fixed shaft 602, the fixed shaft 602 is assembled inside the arc-shaped groove 603, and the fixed shaft 602 is fixedly connected to the movable rod 18. The arc-shaped groove 603 is opened on the first vertical plate 2. The fixed shaft 602 can move inside the arc-shaped groove 603, thereby driving the movement of the driven wheel 601, and the welding wire can be pressed on the driving wheel 5. When the driving wheel 5 moves, it can drive the movement of the welding wire, thus completing the wire feeding action. A movable rod 18 is rotatably mounted on the rear surface of the first vertical plate 2, the movable rod 18 is connected to the pressing component 6, and a tensioning component 17 is mounted on the movable rod 18. The tensioning component 17 is connected to the first vertical plate 2. The tensioning component 17 includes a first snap ring 1701, a tension spring 1702, and a second snap ring 1703. The first snap ring 1701 is mounted on the movable rod 18, and the second snap ring 1703 is mounted on the first vertical plate 2.The two ends of the tension spring 1702 are respectively clamped on the first clamping ring 1701 and the second clamping ring 1703, and the tension spring 1702 can apply an upward pulling force to the movable rod 18, and the movable rod 18 drives the fixed shaft 602 and the driven wheel 601 to be pressed in the direction of the driving wheel 5. The first vertical plate 2 is provided with two vertically offset long strip mounting grooves, and a tensioning assembly 16 is arranged in the long strip mounting groove. The tensioning assembly 16 includes a spring 1601 and a sliding column 1602. The sliding column 1602 is installed in the long strip mounting groove of the first vertical plate 2, and the sliding column 1602 is assembled in the sliding hole of the L-shaped movable column 7. The spring 1601 is sleeved on the sliding column 1602. When the welding wire passes through the tensioning wheel 8, the L-shaped movable column 7 can be forced to move, so that the spring 1601 is subjected to force. 1601 can apply a reaction force to the L-shaped movable column 7, so as to tighten the welding wire. An L-shaped movable column 7 is installed on the tensioning component 16. Two L-shaped movable columns 7 are provided. The two L-shaped movable columns 7 are mirror-imaged in the long strip mounting groove on the first vertical plate 2. A tensioning wheel 8 is rotatably installed on one end of the L-shaped movable column 7 away from the tensioning component 16. A limiting component 15 is provided on the rear surface of the first vertical plate 2. The limiting component 15 is assembled on the L-shaped movable column 7. The limiting component 15 includes a first limiting plate 1501, a limiting column 1502 and a second limiting plate 1503. The first limiting plate 1501 and the second limiting plate 1503 are respectively installed on the upper and lower sides of the long strip mounting groove of the first vertical plate 2. The two ends of the limiting column 1502 are respectively connected to the first limiting plate 1501 and the first limiting plate 1503. The two limit plates 1503 are connected, and the limit column 1502 is assembled in the limit hole of the L-shaped movable column 7. The limit column 1502 can prevent the L-shaped movable column 7 from shaking left and right, and the L-shaped movable column 7 can slide along the limit column 1502. The second vertical plate 11 is equipped with a mounting column 9 and a correction component 13. The correction component 13 includes a special-shaped bar 1301 and a correction ring 1302. The correction ring 1302 is installed at the end of the special-shaped bar 1301, and the other end of the special-shaped bar 1301 is connected to the second vertical plate 11. The correction ring 1302, the tensioning wheel 8 and the driving wheel 5 are arranged in a straight line. The welding wire passes through the correction ring 1302. The correction ring 1302 can limit the welding wire to ensure that the welding wire is prevented from escaping from the tensioning wheel 8 and the driving wheel 5 during wire feeding. The end of the mounting column 9 away from the second vertical plate 11 is equipped with an anti-slip assembly 10, which includes a stop bar 1001, a pin 1002 and a movable groove 1003. The movable groove 1003 is provided on the stop bar 1001, and the pin 1002 is assembled inside the movable groove 1003. The pin 1002 is connected to the mounting column 9. The stop bar 1001 is arranged inside the assembly groove at the end of the mounting column 9. The stop bar 1001 is pulled to move along the pin 1002. The stop bar 1001 is rotated so that the stop bar 1001 and the mounting column 9 are in a straight line. At this time, the welding wire reel can be placed on the mounting column 9, and the stop bar 1001 is moved so that the stop bar 1001 is perpendicular to the mounting column 9 by gravity. At this time, the stop bar 1001 can prevent the welding wire reel from detaching from the mounting column 9.

[0025] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A servo wire feeding device for an automatic welding robot, comprising a mounting plate (1), characterized in that: A first vertical plate (2) and a second vertical plate (11) are installed on the mounting plate (1). A connection component (12) is installed on the left side surface of the first vertical plate (2). A slide rail (3) is installed on the front side surface of the first vertical plate (2). A dust removal component (4) is assembled on the slide rail (3). A driving component (14) is arranged on the rear surface of the first vertical plate (2). A driving wheel (5) is arranged on the front side of the first vertical plate (2). The driving component (14) passes through the first vertical plate (2) and is connected to the driving wheel (5). A pressing component (6) is assembled on the first vertical plate (2). A movable rod (18) is rotatably installed on the rear surface of the first vertical plate (2). The movable rod (18) is connected to the pressing component (6). A tensioning component (17) is installed on the movable rod (18). The tensioning component (17) is connected to the first vertical plate (2). Two vertically offset long strip installation slots are formed on the first vertical plate (2). A tensioning component (16) is arranged in the long strip installation slot. An L-shaped movable column (7) is installed on the tensioning component (16). A tensioning wheel (8) is rotatably installed at one end of the L-shaped movable column (7) away from the tensioning component (16). A limiting component (15) is arranged on the rear surface of the first vertical plate (2). The limiting component (15) is assembled on the L-shaped movable column (7). An installation column (9) and a correction component (13) are installed on the second vertical plate (11). An anti-detachment component (10) is installed at the end of the installation column (9) away from the second vertical plate (11).

2. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The dust removal component (4) includes a fixed plate (401), a dust removal cloth (402) and a movable plate (403). The fixed plate (401) is fixedly installed on the slide rail (3). The movable plate (403) is slidably installed on the slide rail (3). A locking stud is installed on the movable plate (403). Two dust removal cloths (402) are provided. The dust removal cloths (402) are respectively installed on the upper surface of the movable plate (403) and the lower surface of the fixed plate (401).

3. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The pressing component (6) includes a driven wheel (601), a fixed shaft (602) and an arc-shaped groove (603). The driven wheel (601) is rotatably installed on the fixed shaft (602). The fixed shaft (602) is assembled inside the arc-shaped groove (603), and the fixed shaft (602) is fixedly connected to the movable rod (18). The arc-shaped groove (603) is formed on the first vertical plate (2).

4. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The anti-detachment component (10) includes a retaining strip (1001), a pin shaft (1002) and a movable groove (1003). The movable groove (1003) is formed on the retaining strip (1001). The pin shaft (1002) is assembled inside the movable groove (1003), and the pin shaft (1002) is connected to the installation column (9). The retaining strip (1001) is arranged inside the assembly groove at the end of the installation column (9).

5. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The connection component (12) includes a connection head (1201) and a fixed strip (1202). The connection head (1201) is installed on the fixed strip (1202). The fixed strip (1202) is installed on the first vertical plate (2).

6. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The correction component (13) includes a special-shaped strip (1301) and a correction ring (1302). The correction ring (1302) is installed at the end of the special-shaped strip (1301), and the other end of the special-shaped strip (1301) is connected to the second vertical plate (11).

7. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The drive component (14) includes a speed reducer (1401) and a servo motor (1402). The speed reducer (1401) and the servo motor (1402) are installed on the first vertical plate (2). The input shaft of the speed reducer (1401) is connected to the end of the output shaft of the servo motor (1402), and the output shaft of the speed reducer (1401) passes through the first vertical plate (2) and is fixedly connected to the drive wheel (5).

8. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The limit component (15) includes a first limit plate (1501), a limit post (1502) and a second limit plate (1503). The first limit plate (1501) and the second limit plate (1503) are respectively installed on the upper and lower sides of the long installation groove of the first vertical plate (2). The two ends of the limit post (1502) are respectively connected to the first limit plate (1501) and the second limit plate (1503), and the limit post (1502) is assembled in the limit hole of the L-shaped movable post (7).

9. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The tensioning component (16) includes a spring (1601) and a sliding post (1602). The sliding post (1602) is installed inside the long installation groove of the first vertical plate (2), and the sliding post (1602) is assembled in the sliding hole of the L-shaped movable post (7). The spring (1601) is sleeved on the sliding post (1602).

10. The servo wire feeding device of an automatic welding robot according to claim 1, characterized in that: The tensioning component (17) includes a first snap ring (1701), a tension spring (1702) and a second snap ring (1703). The first snap ring (1701) is installed on the movable rod (18), the second snap ring (1703) is installed on the first vertical plate (2), and the two ends of the tension spring (1702) are respectively clamped on the first snap ring (1701) and the second snap ring (1703).

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