Intelligent flexible welding workstation

Abstract

The utility model provides an intelligent flexible welding work station, belongs to the technical field of welding, and solves the technical problems that an existing welding work station is limited in welding angle, incapable of adapting to workpieces of different specifications, low in welding efficiency, low in automation degree and the like. Comprising a workbench arranged on the ground, a workpiece position adjusting mechanism and an arc-shaped position adjusting mechanism are arranged on the workbench, the workpiece position adjusting mechanism is located below the arc-shaped position adjusting mechanism, four adjustable clamping mechanisms which are evenly distributed in the circumferential direction are arranged on the workpiece position adjusting mechanism, and the directions of the four adjustable clamping mechanisms all face the circle center direction of the circle. The arc-shaped position adjusting mechanism is provided with a welding matching mechanism and a laser scanning mechanism, the welding matching mechanism is provided with a welding mechanism, a workpiece is placed on the workpiece position adjusting mechanism, and the workpiece is located in the center of the four adjustable clamping mechanisms. The multi-angle continuous welding device is high in welding efficiency, capable of conducting continuous welding on welding seams at various angles and specified distances, wider in welding applicability and higher in automation degree.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding and relates to a flexible welding device, in particular to an intelligent flexible welding workstation. Background Art

[0002] The intelligent flexible welding workstation is an automated welding system that integrates advanced technologies such as industrial robot technology, artificial intelligence, and machine vision. It has long-term working capacity, reliable and stable performance, and can improve product quality and production efficiency.

[0003] Intelligent flexible welding workstations can reduce product development costs, improve production efficiency and quality, and are compatible with a variety of production lines. They are currently a major technological upgrade for manufacturing companies. Compared to conventional welding workstations, intelligent flexible welding workstations, based on the concept of flexible manufacturing, are more suitable for the production of small and medium batches of various products. This is more in line with the market's volatility and the increasingly market-oriented and on-demand production methods under fierce market competition.

[0004] Existing flexible welding devices have technical problems such as limited welding angle, inability to adapt to workpieces of different specifications, low welding efficiency and low degree of automation.

[0005] Based on this, we propose an intelligent flexible welding workstation with high welding efficiency, the ability to perform continuous welding at various angles and specified distances, wider welding applicability and higher degree of automation. Utility Model Content

[0006] The purpose of this utility model is to address the above-mentioned problems in the existing technology and propose an intelligent flexible welding workstation. The technical problem to be solved by this utility model is: how to achieve high welding efficiency when welding workpieces, be able to perform continuous welding at various angles and specified distances on welds, and have wider welding applicability and higher degree of automation.

[0007] The purpose of this utility model can be achieved through the following technical solutions:

[0008] An intelligent flexible welding workstation includes a workbench arranged on the ground, on which a workpiece positioning mechanism and an arc positioning mechanism are provided. The workpiece positioning mechanism is located below the arc positioning mechanism. The workpiece positioning mechanism is provided with four adjustable clamping mechanisms evenly distributed around the circumference, and the directions of the four adjustable clamping mechanisms are all toward the center of the circle. The arc positioning mechanism is provided with a welding cooperation mechanism and a laser scanning mechanism, and the welding cooperation mechanism is provided with a welding mechanism. The workpiece is placed on the workpiece positioning mechanism, and the workpiece is located in the center of the four adjustable clamping mechanisms.

[0009] The working principle of the utility model is: according to the specification of the workpiece, the position of the four adjustable clamping mechanisms on the workpiece positioning mechanism is adjusted, the four adjustable clamping mechanisms clamp and fix the workpiece, the workpiece positioning mechanism drives the workpiece to slide to the specified position, the workbench is started, the arc positioning mechanism is rotated, the laser scanning mechanism scans the workpiece in the circumferential direction, in the scanning process, the workbench, the workpiece positioning mechanism and the arc positioning mechanism cooperate to enable the laser scanning mechanism to completely scan the workpiece to be welded and determine the optimal welding scheme.

[0010] After the scanning is completed, the workbench drives the arc positioning mechanism to rotate, the arc positioning mechanism drives the welding cooperation mechanism to slide, the welding cooperation mechanism pushes the welding mechanism, the workpiece positioning mechanism drives the workpiece to slide, and the welding of the workpiece is realized.

[0011] The workbench comprises a workbench body, the workbench body is placed on the ground, two symmetrical side columns are fixed on the workbench body, and a rotating motor is fixed on one of the side columns.

[0012] By adopting the above structure, according to the commonly used workpiece specification, a workbench body of sufficient specification is selected, the space between the two side columns is large enough to accommodate more specifications of workpieces, and the applicability of welding is wider.

[0013] The workpiece positioning mechanism comprises a positioning screw rod, the positioning screw rod is fixed on the workbench body, the positioning screw rod is located between the two side columns, a placement plate is fixed on the sliding seat of the positioning screw rod, four circumferentially distributed sliding grooves are formed in the placement plate, and the workpiece is placed on the placement plate.

[0014] By adopting the above structure, the positioning screw rod is started to drive the sliding seat to slide, thereby driving the placement plate to slide, and the adjustable clamping mechanism is embedded in the sliding groove at the corresponding position.

[0015] The adjustable clamping mechanism comprises an embedded connecting seat, the specification of the embedded connecting seat corresponds to the specification of the sliding groove, the embedded connecting seat is embedded and slidably arranged in the sliding groove at the corresponding position, an L-shaped connecting plate is fixed on the embedded connecting seat, a clamping push rod is fixed on the outer side of the L-shaped connecting plate, a T-shaped hinged block is hinged to the upper end of the inner side of the L-shaped connecting plate, one end of the T-shaped hinged block is hinged to the pushing end of the clamping push rod, the other end of the T-shaped hinged block is fixed with a clamping head, and a rubber fixing head is fixed to the lower end of the clamping head.

[0016] By adopting the above structure, according to the specification of the workpiece, the position of the embedded connecting seat in the sliding groove at the corresponding position is adjusted, the workpiece is located at the central position of the embedded connecting seat of the four adjustable clamping mechanisms, the clamping push rod is retracted, the T-shaped hinged block is driven to rotate clockwise, thereby driving the clamping head to press down and tightly press the workpiece, and the workpiece is fixed.

[0017] The arc-shaped positioning mechanism includes an arc-shaped transmission gear seat, the interior of the arc-shaped transmission gear seat is a tooth groove, and rotating connecting shafts are fixed at both ends of the arc-shaped transmission gear seat. The two rotating connecting shafts are symmetrically arranged, and the rotating connecting shafts are respectively rotatably arranged on the side columns at corresponding positions. The output shaft of the rotating motor is fixedly connected to the rotating connecting shaft at the corresponding position. Two symmetrically arranged limit blocks are fixed on the arc-shaped transmission gear seat, and the limit blocks are located above the rotating connecting shaft at the corresponding position. A slide is slidably provided on the arc-shaped transmission gear seat, and a driving motor is fixed to the side of the slide. The output shaft of the driving motor is transmission-connected to the arc-shaped transmission gear seat through a gear pair.

[0018] With the above structure, the output shaft of the rotating motor rotates, driving the rotating connecting shaft at the corresponding position to rotate, thereby driving the arc-shaped transmission gear seat to rotate. The output shaft of the driving motor rotates, driving the slide to slide on the arc-shaped transmission gear seat through the gear pair, and the two limit blocks are used to limit the slide.

[0019] The welding matching mechanism includes a push rod motor, which is fixed to the side of the slide seat. A push rod is fixed to the push end of the push rod motor, and the direction of the push rod always points to the axis position of the arc-shaped transmission gear seat.

[0020] With the above structure, the push rod motor pushes out, driving the push rod to push out.

[0021] The welding mechanism includes an angle-adjusting motor, which is fixed on an ejection rod. A welding gun is provided when the ejection rod rotates. The output shaft of the angle-adjusting motor is fixedly connected to the welding gun, and a visual sensor is fixed on the welding gun.

[0022] With the above structure, the output shaft of the angle adjustment motor rotates, driving the welding gun to rotate, thereby changing the angle of the welding gun. The welding gun is used to weld the weld, and the visual sensor is used to track and locate the weld to improve the stability during welding.

[0023] The laser scanning mechanism comprises an electric detection push rod, which is fixed below the slide seat, and a laser detector is fixed on the pushing end of the electric detection push rod.

[0024] With the above structure, the push-out end of the electric detection push rod is pushed out to adjust the distance between the laser detector and the workpiece. The laser detector is used to perform circumferential scanning of the weld on the workpiece and determine the optimal welding solution based on the scanned weld.

[0025] Compared with the existing technology, this intelligent flexible welding workstation has the following advantages:

[0026] 1. Through the cooperation of the workbench, workpiece positioning mechanism and arc positioning mechanism, the workpiece position to be welded can be completely scanned, and the optimal welding plan can be determined, thereby improving welding efficiency and automation.

[0027] 2. Through the cooperation of the workbench, arc adjustment mechanism, welding coordination mechanism and welding mechanism, the weld seam of the workpiece can be continuously welded at various angles and specified distances;

[0028] 3. Through the cooperation of four adjustable clamping mechanisms, the workpiece can be positioned at multiple points, which makes the positioning of the workpiece more accurate and more stable during welding. At the same time, it cooperates with the workpiece positioning mechanism to adapt to workpieces of different specifications and achieve wider applicability of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural diagram of the present utility model.

[0030] Figure 2 It is a structural diagram of the workpiece positioning mechanism and the adjustable clamping mechanism in the utility model.

[0031] Figure 3 It is a structural diagram of the adjustable clamping mechanism in the utility model.

[0032] Figure 4 It is a structural diagram of some components in the utility model.

[0033] Figure 5 It is a structural diagram of the welding matching mechanism and the welding mechanism in the utility model.

[0034] In the figure, 1. workbench; 2. workpiece positioning mechanism; 3. adjustable clamping mechanism; 4. arc-shaped positioning mechanism; 5. welding cooperation mechanism; 6. welding mechanism; 7. laser scanning mechanism; 101. workbench body; 102. side column; 103. rotating motor; 201. positioning screw rod; 202. placement plate; 203. sliding groove; 301. interlocking connection seat; 302. clamping push rod; 303. L-shaped connecting plate; 304. T-shaped hinge block; 305. clamping head; 401. arc-shaped transmission gear seat; 402. limit block; 403. rotating connecting shaft; 404. slide seat; 405. driving motor; 501. push rod motor; 502. ejector rod; 601. angle adjustment motor; 602. welding gun; 603. visual sensor; 701. electric detection push rod; 702. laser detector. DETAILED DESCRIPTION

[0035] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0036] like Figures 1-5As shown, the intelligent flexible welding workstation includes a workbench 1 arranged on the ground, and the workbench 1 is provided with a workpiece positioning mechanism 2 and an arc positioning mechanism 4. The workpiece positioning mechanism 2 is located below the arc positioning mechanism 4, and the workpiece positioning mechanism 2 is provided with four circumferentially evenly distributed adjustable clamping mechanisms 3, and the directions of the four adjustable clamping mechanisms 3 are all toward the center of the circle, the arc positioning mechanism 4 is provided with a welding cooperation mechanism 5 and a laser scanning mechanism 7, and the welding cooperation mechanism 5 is provided with a welding mechanism 6. The workpiece is placed on the workpiece positioning mechanism 2, and the workpiece is located in the center of the four adjustable clamping mechanisms 3.

[0037] In this embodiment, the positions of the four adjustable clamping mechanisms 3 on the workpiece positioning mechanism 2 are adjusted according to the specifications of the workpiece. The four adjustable clamping mechanisms 3 clamp the workpiece, and the workpiece positioning mechanism 2 drives the workpiece to slide to the specified position. The worktable 1 is started to rotate the arc-shaped positioning mechanism 4, and the laser scanning mechanism 7 performs a circumferential scan of the workpiece. During the scanning process, the worktable 1, the workpiece positioning mechanism 2, and the arc-shaped positioning mechanism 4 cooperate to enable the laser scanning mechanism 7 to completely scan the workpiece at the position to be welded and determine the optimal welding solution.

[0038] After the scanning is completed, the workbench 1 drives the arc adjustment mechanism 4 to rotate, the arc adjustment mechanism 4 drives the welding cooperation mechanism 5 to slide, the welding cooperation mechanism 5 pushes the welding mechanism 6, and the workpiece adjustment mechanism 2 drives the workpiece to slide, thereby realizing continuous welding of the workpiece weld at various angles and specified distances.

[0039] The workbench 1 includes a workbench body 101 , which is placed on the ground. Two symmetrically arranged side columns 102 are fixed to the workbench body 101 , and a rotating motor 103 is fixed to one of the side columns 102 .

[0040] In this embodiment, a workbench body 101 of sufficient specifications is selected according to the commonly used workpiece specifications, and the space between the two side columns 102 is large enough to accommodate workpieces of more specifications, making welding more applicable.

[0041] The workpiece positioning mechanism 2 includes a positioning screw rod 201, which is fixed on the workbench body 101 and located between the two side columns 102. A placement plate 202 is fixed on the sliding seat of the positioning screw rod 201. The placement plate 202 is provided with four circumferentially evenly distributed sliding grooves 203, and the workpiece is placed on the placement plate 202.

[0042] In this embodiment, the position adjusting screw rod 201 is started to drive the sliding seat to slide, thereby driving the placement plate 202 to slide, and the adjustable clamping mechanism 3 is embedded in the sliding groove 203 at the corresponding position.

[0043] The adjustable clamping mechanism 3 includes a chimeric connecting seat 301, the specifications of the chimeric connecting seat 301 correspond to the specifications of the sliding groove 203, the chimeric connecting seat 301 is chimerically slidably arranged inside the sliding groove 203 at the corresponding position, an L-shaped connecting plate 303 is fixed on the chimeric connecting seat 301, a clamping push rod 302 is fixed on the outer side of the L-shaped connecting plate 303, the inner upper end of the L-shaped connecting plate 303 is hinged with a T-shaped hinge block 304, one end of the T-shaped hinge block 304 is hinged to the pushing end of the clamping push rod 302, the other end of the T-shaped hinge block 304 is fixed with a clamping head 305, and the lower end of the clamping head 305 is fixed with a rubber fixing head.

[0044] In this embodiment, according to the specifications of the workpiece, the position of the interlocking connecting seat 301 inside the sliding groove 203 at the corresponding position is adjusted, the workpiece is located in the central position of the interlocking connecting seat 301 of the four adjustable clamping mechanisms 3, and the clamping push rod 302 is retracted, driving the T-shaped hinge block 304 to rotate clockwise, thereby driving the clamping head 305 to press down and tighten the workpiece to achieve fixation of the workpiece.

[0045] The arc-shaped positioning mechanism 4 includes an arc-shaped transmission gear seat 401, the interior of the arc-shaped transmission gear seat 401 is a tooth groove, and a rotating connecting shaft 403 is fixed at both ends of the arc-shaped transmission gear seat 401. The two rotating connecting shafts 403 are symmetrically arranged, and the rotating connecting shafts 403 are respectively rotatably arranged on the side columns 102 at corresponding positions. The output shaft of the rotating motor 103 is fixedly connected to the rotating connecting shaft 403 at the corresponding position. Two symmetrically arranged limit blocks 402 are fixed on the arc-shaped transmission gear seat 401, and the limit blocks 402 are located above the rotating connecting shaft 403 at the corresponding position. A slide 404 is slidingly provided on the arc-shaped transmission gear seat 401, and a drive motor 405 is fixed to the side of the slide 404. The output shaft of the drive motor 405 is transmission-connected to the arc-shaped transmission gear seat 401 through a gear pair.

[0046] In this embodiment, the output shaft of the rotating motor 103 rotates, driving the rotating connecting shaft 403 at the corresponding position to rotate, thereby driving the arc-shaped transmission gear seat 401 to rotate, and the output shaft of the driving motor 405 rotates, driving the slide 404 to slide on the arc-shaped transmission gear seat 401 through the gear pair, and the two limit blocks 402 are used to limit the slide 404.

[0047] The welding cooperation mechanism 5 includes a push rod motor 501 , which is fixed to the side of the slide 404 . A push rod 502 is fixed to the push end of the push rod motor 501 , and the direction of the push rod 502 always points to the axis position of the arc-shaped transmission gear seat 401 .

[0048] In this embodiment, the pushing end of the push rod motor 501 pushes out, driving the pushing rod 502 to push out.

[0049] The welding mechanism 6 includes an angle adjustment motor 601 , which is fixed on the ejection rod 502 . The ejection rod 502 is provided with a welding gun 602 when it rotates. The output shaft of the angle adjustment motor 601 is fixedly connected to the welding gun 602 . A visual sensor 603 is fixed on the welding gun 602 .

[0050] In this embodiment, the output shaft of the angle adjustment motor 601 rotates, driving the welding gun 602 to rotate, thereby changing the angle of the welding gun 602. The welding gun 602 is used to weld the weld, and the visual sensor 603 is used to track and locate the weld to improve the stability during welding.

[0051] The laser scanning mechanism 7 includes an electric detection push rod 701 . The electric detection push rod 701 is fixed below the slide 404 . A laser detector 702 is fixed to the pushing end of the electric detection push rod 701 .

[0052] In this embodiment, the pushing end of the electric detection push rod 701 is pushed out to adjust the distance between the laser detector 702 and the workpiece. The laser detector 702 is used to perform circumferential scanning on the weld on the workpiece and determine the optimal welding solution based on the scanned weld.

[0053] The working principle of the present invention is as follows: according to the specifications of the workpiece, the position of the chimeric connecting seat 301 is adjusted inside the sliding groove 203 at the corresponding position, the workpiece is located in the central position of the chimeric connecting seat 301 of the four adjustable clamping mechanisms 3, the clamping push rod 302 is retracted, and the T-shaped hinge block 304 is rotated clockwise, thereby driving the clamping head 305 to press the workpiece down to fix the workpiece, start the adjustment screw rod 201, drive the sliding seat to slide, drive the placement plate 202 to slide, thereby driving the workpiece to slide to the specified position, the output shaft of the rotating motor 103 rotates, drives the rotating connecting shaft 403 at the corresponding position to rotate, thereby driving the arc-shaped transmission gear seat 401 to rotate, the output shaft of the driving motor 405 rotates, and drives the slide 404 to slide on the arc-shaped transmission gear seat 401 through the gear pair. During the sliding process, the push-out end of the electric detection push rod 701 is pushed out to adjust the distance between the laser detector 702 and the workpiece. The laser detector 702 is used to perform circumferential scanning of the weld on the workpiece and determine the optimal welding scheme based on the scanned weld.

[0054] After the scan is completed, the output shaft of the rotating motor 103 rotates, driving the rotating connecting shaft 403 at the corresponding position to rotate, thereby driving the arc-shaped transmission gear seat 401 to rotate, and the output shaft of the driving motor 405 rotates, driving the slide 404 to slide on the arc-shaped transmission gear seat 401 through the gear pair. The two limit blocks 402 are used to limit the slide 404, and the push-out end of the push rod motor 501 is pushed out, driving the push-out rod 502 to be pushed out, adjusting the distance between the welding mechanism 6 and the workpiece, and the output shaft of the angle adjustment motor 601 rotates, driving the welding gun 602 to rotate, thereby changing the angle of the welding gun 602, and the visual sensor 603 tracks and locates the weld during the welding process, and the welding gun 602 performs continuous welding at multiple angles and specified distances on the weld of the workpiece.

[0055] In summary, through the cooperation of the workbench 1, the workpiece positioning mechanism 2 and the arc positioning mechanism 4, a complete scanning of the workpiece to be welded position is achieved, and the optimal welding scheme is determined, thereby improving welding efficiency and automation.

[0056] Through the cooperation of the workbench 1, the arc-shaped positioning mechanism 4, the welding coordination mechanism 5 and the welding mechanism 6, the weld seam of the workpiece can be continuously welded at various angles and specified distances;

[0057] Through the cooperation of four adjustable clamping mechanisms 3, the workpiece is positioned at multiple points, which makes the workpiece positioning more accurate and more stable during welding. At the same time, it cooperates with the workpiece positioning mechanism 2 to adapt to workpieces of different specifications and achieve wider applicability of welding.

[0058] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. An intelligent flexible welding workstation, comprising a workbench (1) arranged on the ground, characterized in that: The workbench (1) is provided with a workpiece positioning mechanism (2) and an arc-shaped positioning mechanism (4); the workpiece positioning mechanism (2) is located below the arc-shaped positioning mechanism (4); the workpiece positioning mechanism (2) is provided with four circumferentially evenly distributed adjustable clamping mechanisms (3), and the directions of the four adjustable clamping mechanisms (3) are all oriented toward the center of the circle; the arc-shaped positioning mechanism (4) is provided with a welding matching mechanism (5) and a laser scanning mechanism (7); the welding matching mechanism (5) is provided with a welding mechanism (6); the workpiece is placed on the workpiece positioning mechanism (2), and the workpiece is located at the center of the four adjustable clamping mechanisms (3).

2. The intelligent flexible welding workstation according to claim 1, characterized in that: The workbench (1) comprises a workbench body (101), which is placed on the ground. Two symmetrically arranged side columns (102) are fixed on the workbench body (101), and a rotating motor (103) is fixed on one of the side columns (102).

3. The intelligent flexible welding workstation according to claim 2, characterized in that: The workpiece positioning mechanism (2) comprises a positioning screw member (201), which is fixed on the workbench body (101) and located between two side columns (102). A placement plate (202) is fixed on the sliding seat of the positioning screw member (201), and the placement plate (202) is provided with four sliding grooves (203) evenly distributed around the circumference. The workpiece is placed on the placement plate (202).

4. The intelligent flexible welding workstation according to claim 3, characterized in that: The adjustable clamping mechanism (3) comprises a fitting connection seat (301), the specifications of the fitting connection seat (301) correspond to the specifications of the sliding groove (203), the fitting connection seat (301) is fitted and slidably arranged inside the sliding groove (203) at the corresponding position, an L-shaped connecting plate (303) is fixed on the fitting connection seat (301), a clamping push rod (302) is fixed on the outer side of the L-shaped connecting plate (303), a T-shaped hinge block (304) is hinged on the inner upper end of the L-shaped connecting plate (303), one end of the T-shaped hinge block (304) is hinged on the pushing end of the clamping push rod (302), a clamping head (305) is fixed on the other end of the T-shaped hinge block (304), and a rubber fixing head is fixed on the lower end of the clamping head (305).

5. The intelligent flexible welding workstation according to claim 4, characterized in that: The arc-shaped positioning mechanism (4) comprises an arc-shaped transmission tooth seat (401), the interior of the arc-shaped transmission tooth seat (401) is a tooth groove, and rotating connecting shafts (403) are fixed at both ends of the arc-shaped transmission tooth seat (401), and the two rotating connecting shafts (403) are symmetrically arranged. The rotating connecting shafts (403) are respectively rotatably arranged on the side columns (102) at corresponding positions, and the output shaft of the rotating motor (103) is fixedly connected to the rotating connecting shafts (403) at corresponding positions. Two symmetrically arranged limit blocks (402) are fixed on the arc-shaped transmission tooth seat (401), and the limit blocks (402) are located above the rotating connecting shafts (403) at corresponding positions. A slide seat (404) is slidably provided on the arc-shaped transmission tooth seat (401), and a driving motor (405) is fixed on the side of the slide seat (404). The output shaft of the driving motor (405) is transmission-connected to the arc-shaped transmission tooth seat (401) through a gear pair.

6. The intelligent flexible welding workstation according to claim 5, characterized in that: The welding matching mechanism (5) includes a push rod motor (501), which is fixed to the side of the slide seat (404). A push rod (502) is fixed to the push end of the push rod motor (501), and the direction of the push rod (502) always points to the axis position of the arc-shaped transmission gear seat (401).

7. The intelligent flexible welding workstation according to claim 6, characterized in that: The welding mechanism (6) includes an angle-adjusting motor (601), which is fixed on an ejection rod (502). The ejection rod (502) is provided with a welding gun (602) when it rotates. The output shaft of the angle-adjusting motor (601) is fixedly connected to the welding gun (602), and a visual sensor (603) is fixed on the welding gun (602).

8. The intelligent flexible welding workstation according to claim 7, characterized in that: The laser scanning mechanism (7) comprises an electric detection push rod (701), which is fixed below the slide seat (404), and a laser detector (702) is fixed to the push-out end of the electric detection push rod (701).

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