Double-station alternating type feeding device for welding robot

Abstract

The utility model discloses a welding robot double-station alternate type feeding device which comprises a portal frame and two sets of supporting frames, the two sets of supporting frames are symmetrically arranged outside the portal frame, supporting plates are arranged outside the supporting frames, lifting plates are arranged outside the supporting plates, and the lifting plates are connected with the portal frame. And top plates are installed at the bottom ends of the lifting plates correspondingly, movable supports are arranged outside the top plates correspondingly, first racks are symmetrically installed on the inner side walls of the portal frame, and servo motors are installed on the side walls of the supporting frame correspondingly. According to the double-station alternating type feeding device, convenient multi-position adjustment and movement are achieved, a workpiece can be conveniently and rapidly clamped at a convenient overturning angle, the convenience of rapidly clamping the workpiece at the overturning angle of the double-station alternating type feeding device is improved, the convenience of multi-position adjustment and movement is improved, and the feeding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to double position alternate type feeding device technical field, concretely is a double position alternate type feeding device for welding robot. BACKGROUND

[0002] Welding robot is the industrial robot that engages in welding (including cutting and spraying), and the industrial robot is a multipurpose, repeatable programming automatic control manipulator with three or more programmable axes, used in the field of industrial automation, in order to adapt to different purposes, the mechanical interface of the last axis of the robot is usually a connecting flange, which can be connected with different tools or end effectors, and the welding robot is connected with welding tongs or welding (cutting) guns on the flange of the last axis of the industrial robot, so that it can perform welding, cutting or thermal spraying.

[0003] The double position alternate type feeding device can make the workpiece loading and unloading time coincide with the welding time, thereby shortening the overall production cycle and realizing continuous and efficient production. This design reduces the idle time of the robot, maximizes the use of production resources, uses the robot for welding operation, and workers only need to be responsible for loading and unloading workpieces, reducing long-term monotonous and repetitive operation, thereby reducing the labor intensity of workers. In addition, workers are away from the hazards of welding arc light, smoke and splashing, and the working environment is improved.

[0004] The existing double position alternate type feeding device is generally not convenient for multi-position adjustment and movement, and is not convenient for quick clamping of workpieces at a turning angle, which affects the convenience of quick clamping of workpieces at a turning angle by the double position alternate type feeding device, affects the convenience of multi-position adjustment and movement, and affects the efficiency of feeding. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a double position alternate type feeding device for welding robot, to solve the problem of inconvenient multi-position adjustment and movement, inconvenient quick clamping of workpieces at a turning angle, affected convenience of quick clamping of workpieces at a turning angle by the double position alternate type feeding device, affected convenience of multi-position adjustment and movement, and affected efficiency of feeding in the above background technology.

[0006] To achieve the above object, the utility model provides following technical scheme: A kind of double-station alternate type feeding device for welding robot, including portal frame and support frame, the outside of the portal frame is symmetrically provided with two groups of support frame, the outside of the support frame is provided with support plate, the outside of the support plate is provided with lifting plate, the bottom end of the lifting plate is all installed with top plate, the outside of the top plate is provided with moving support, the inside side wall of the portal frame is symmetrically installed with first rack, the side wall of the support frame is all installed with servo motor, the output of the servo motor is all installed with first gear, the first gear is engaged with first rack, the top end of the portal frame is symmetrically installed with first guide rail, the bottom end of the support frame is symmetrically installed with two groups of first slider, the first slider is slidably connected with first guide rail, the side wall of the support frame is all installed with second rack, the top end side wall of the support plate is all installed with stepper motor, the output of the stepper motor is all installed with second gear, the second gear is engaged with second rack, the top end of the support frame is symmetrically installed with second guide rail, the bottom end of the support plate is symmetrically installed with two groups of second slider, the second guide rail is slidably connected with second slider, the top end of the support plate is installed with first cylinder, the output of the first cylinder is all extended to the outside of support plate and connected with lifting plate, the inside of the support plate is all installed with four groups of limit seat, the limit seat all extends to its outside through support plate, the inside of the limit seat is all slidably installed with limit post, the limit post extends to its outside through limit seat, the limit post is all connected with lifting plate.

[0007] Preferably, the two sides of the top plate are movably installed with rotating shafts, and the surfaces of the rotating shafts are all sleeved with second cylinders.

[0008] Preferably, the output ends of the second cylinders are movably installed with support shafts, the outside of the top plate is provided with turnover plates, and the second cylinders are movably connected with the turnover plates through the support shafts.

[0009] Preferably, the sides, away from the support shafts, of the turnover plates are movably installed with rotating shafts, and the turnover plates are movably connected with the top plates through the rotating shafts.

[0010] Preferably, the bottom ends of the turnover plates are connected with the moving supports, and the side walls of the moving supports are all installed with power motors.

[0011] Preferably, the output ends of the power motors are installed with bidirectional threaded rods, and the bidirectional threaded rods extend to the interiors of the moving supports and are movably connected therewith.

[0012] Preferably, the inside of the moving support outside the bidirectional threaded rod is symmetrically movably installed with a limit rod, and the surface of the bidirectional threaded rod is symmetrically sleeved with two groups of clamping jaws.

[0013] Preferably, the bidirectional threaded rods are in threaded connection with the clamping jaws, and the clamping jaws are in sliding connection with the limiting rods.

[0014] Compared with the prior art, the double-station alternating type feeding device has the advantages that: the double-station alternating type feeding device is convenient to move in multiple positions, and the workpieces can be quickly clamped at a convenient turning angle, the convenience of clamping the workpieces at the turning angle of the double-station alternating type feeding device is improved, the convenience of moving in multiple positions is improved, and the feeding efficiency is improved.

[0015] (1) The servo motor drives the first gear to rotate, under the meshing of the first gear and the first rack and the sliding connection of the first guide rail and the first sliding block, the first gear drives the servo motor, the support frame, the support plate, the lifting plate, the top plate, the turnover plate, the moving support and the clamping jaw to move, the stepping motor drives the second gear to rotate, under the meshing of the second gear and the second rack and the sliding connection of the second guide rail and the second sliding block, the second gear drives the support plate, the lifting plate, the top plate, the turnover plate, the moving support and the clamping jaw to move, the first cylinder drives the lifting plate to move, under the limiting support of the limiting column and the limiting seat, the first cylinder drives the lifting plate, the top plate, the turnover plate, the moving support and the clamping jaw to move downward to the surface of the workpiece to clamp, when a group of workpieces are clamped, another group of support frames are continuously moved to clamp the next group of workpieces, the double-station alternating type feeding device is convenient to move in multiple positions, the convenience of moving in multiple positions of the double-station alternating type feeding device is improved.

[0016] (2) The second cylinder drives the support shaft to move, the support shaft drives the turnover plate, the moving support and the clamping jaw to rotate around the rotating shaft by a certain angle, the power motor drives the bidirectional threaded rods to rotate, under the threaded connection of the bidirectional threaded rods and the clamping jaws, the bidirectional threaded rods drive the two groups of clamping jaws to move oppositely to clamp, the double-station alternating type feeding device is convenient to clamp the workpieces at a turning angle, the convenience of clamping the workpieces at the turning angle of the double-station alternating type feeding device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a front view structure schematic view of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic view of the servo motor of the utility model;

[0020] Figure 4The first slider three-dimensional structure schematic view of the utility model;

[0021] Figure 5 The support plate three-dimensional structure schematic view of the utility model;

[0022] Figure 6 The first cylinder three-dimensional structure schematic view of the utility model;

[0023] Figure 7 The top plate three-dimensional structure schematic view of the utility model;

[0024] Figure 8 The moving support three-dimensional structure schematic view of the utility model.

[0025] In the figure: 1, portal frame; 2, support frame; 3, support plate; 4, lifting plate; 5, top plate; 6, moving support; 7, first rack; 8, servo motor; 9, first gear; 10, first slider; 11, first guide rail; 12, second rack; 13, stepper motor; 14, second gear; 15, second guide rail; 16, second slider; 17, first cylinder; 18, limit post; 19, limit seat; 20, rotating shaft; 21, second cylinder; 22, support shaft; 23, rotating shaft; 24, turnover plate; 25, power motor; 26, two-way threaded rod; 27, limit rod; 28, clamping jaw. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows by combining with the drawings and preferred embodiments.

[0027] Please refer to Figures 1-8The utility model provides a kind of embodiment provided by the utility model: a kind of double-station alternate type feeding device for welding robot, including portal frame 1 and support frame 2, two groups of support frame 2 are symmetrically arranged outside portal frame 1, support plate 3 is all arranged outside support frame 2, lifting plate 4 is all arranged outside support plate 3, top plate 5 is all installed at the bottom end of lifting plate 4, moving support 6 is all arranged outside top plate 5, first rack 7 is symmetrically installed in the inside side wall of portal frame 1, servo motor 8 is all installed in the side wall of support frame 2, first gear 9 is all installed in the output end of servo motor 8, first gear 9 is engaged with first rack 7, first guide rail 11 is symmetrically installed at the top end of portal frame 1, two groups of first sliding block 10 are all symmetrically installed at the bottom end of support frame 2, first sliding block 10 is slidably connected with first guide rail 11, second rack 12 is all installed on the side wall of support frame 2, step motor 13 is all installed on the top end side wall of support plate 3, second gear 14 is all installed in the output end of step motor 13, second gear 14 is engaged with second rack 12, second guide rail 15 is symmetrically installed at the top end of support frame 2, two groups of second sliding block 16 are all symmetrically installed at the bottom end of support plate 3, second guide rail 15 is slidably connected with second sliding block 16, first cylinder 17 is all installed at the top end of support plate 3, the output end of first cylinder 17 is all extended to the outside of support plate 3 and connected with lifting plate 4, four groups of limit seat 19 are all installed in the inside of support plate 3, limit seat 19 all extends to its outside through support plate 3, limit post 18 is all slidably installed in the inside of limit seat 19, limit post 18 extends to its outside through limit seat 19, limit post 18 is all connected with lifting plate 4;

[0028] When the welding robot is used with the double-station alternating feeding device, a plurality of servo motors 8 are opened, and under the support of the support frame 2, the servo motor 8 drives the first gear 9 to rotate, and under the meshing of the first gear 9 and the first rack 7 and the sliding connection of the first sliding block 10 and the first guide rail 11, the first gear 9 drives the servo motor 8, the support frame 2, the support plate 3, the lifting plate 4, the top plate 5, the turnover plate 24, the moving bracket 6, and the clamping jaw 28 to move, and the stepping motor 13 is opened, and under the support of the support plate 3, the stepping motor 13 drives the second gear 14 to rotate, and under the meshing of the second gear 14 and the second rack 12 and the sliding connection of the second guide rail 15 and the second sliding block 16, the second gear 14 drives the support plate 3, the lifting plate 4, the top plate 5, the turnover plate 24, the moving bracket 6, and the clamping jaw 28 to move, and when moving above the working area, the first air cylinder 17 is opened, and under the support of the support plate 3, the first air cylinder 17 drives the lifting plate 4 to move, and under the limiting support of the limiting column 18 and the limiting seat 19, the first air cylinder 17 drives the lifting plate 4, the top plate 5, the turnover plate 24, the moving bracket 6, and the clamping jaw 28 to move downward to the surface of the workpiece for clamping, and when clamping a group, another group of support frames 2 is continuously moved to clamp the next group of workpieces in turn, which facilitates convenient multi-position adjustment and movement, realizes convenient multi-position adjustment and movement of the double-station alternating feeding device, and improves the convenience of multi-position adjustment and movement of the double-station alternating feeding device.

[0029] The rotating shaft 20 is movably installed on both sides of the top plate 5, and the second air cylinder 21 is sleeved on the surface of the rotating shaft 20.

[0030] The support shaft 22 is movably installed on the output end of the second air cylinder 21, and the turnover plate 24 is arranged on the outside of the top plate 5, and the second air cylinder 21 is movably connected with the turnover plate 24 through the support shaft 22.

[0031] The rotating shaft 23 is movably installed on the side away from the support shaft 22 of the turnover plate 24, and the turnover plate 24 is movably connected with the top plate 5 through the rotating shaft 23, and the bottom end of the turnover plate 24 is connected with the moving bracket 6, and the power motor 25 is installed on the side wall of the moving bracket 6.

[0032] The bidirectional threaded rod 26 is installed on the output end of the power motor 25, extends to the inside of the moving bracket 6, and is movably connected with the moving bracket 6, the limiting rod 27 is movably and symmetrically installed on the inside of the moving bracket 6 outside the bidirectional threaded rod 26, two groups of clamping jaws 28 are symmetrically sleeved on the surface of the bidirectional threaded rod 26, the bidirectional threaded rod 26 is in threaded connection with the clamping jaw 28, and the clamping jaw 28 is in sliding connection with the limiting rod 27.

[0033] When the workpiece needs to be clamped at a certain angle, the second cylinder 21 is opened, and under the support of the rotating shaft 20, the second cylinder 21 drives the support shaft 22 to move, and the support shaft 22 drives the turnover plate 24, the moving support 6, the clamping jaw 28 and the rotating shaft 23 to rotate at a certain angle. The power motor 25 is opened, and under the support of the moving support 6, the power motor 25 drives the bidirectional threaded rod 26 to rotate. Under the threaded connection of the bidirectional threaded rod 26 and the clamping jaw 28, and under the limiting support of the limiting rod 27, the bidirectional threaded rod 26 drives the two sets of clamping jaws 28 to move oppositely to clamp, which facilitates the convenient and fast clamping of the workpiece at a certain angle, realizes the convenient and fast clamping of the workpiece at a certain angle by the double-station alternating feeding device, and improves the convenience of the double-station alternating feeding device.

[0034] Working principle: when the welding robot is used with the double-station alternating feeding device, the servo motor 8 drives the first gear 9 to rotate. Under the meshing of the first gear 9 and the first rack 7, the sliding connection of the first sliding block 10 and the first guide rail 11, the first gear 9 drives the servo motor 8, the support frame 2, the support plate 3, the lifting plate 4, the top plate 5, the turnover plate 24, the moving support 6 and the clamping jaw 28 to move. The step motor 13 is opened, and under the support of the support plate 3, the step motor 13 drives the second gear 14 to rotate. Under the meshing of the second gear 14 and the second rack 12, the sliding connection of the second guide rail 15 and the second sliding block 16, the second gear 14 drives the support plate 3, the lifting plate 4, the top plate 5, the turnover plate 24, the moving support 6 and the clamping jaw 28 to move. When moving above the working area, the first cylinder 17 drives the lifting plate 4 to move. Under the limiting support of the limiting column 18 and the limiting seat 19, the first cylinder 17 drives the lifting plate 4, the top plate 5, the turnover plate 24, the moving support 6 and the clamping jaw 28 to move downward to the surface of the workpiece to clamp. When clamping one set, continue to move another set of support frames 2 to clamp the next set of workpieces in turn, which facilitates convenient multi-position adjustment and movement. The second cylinder 21 drives the support shaft 22 to move, and the support shaft 22 drives the turnover plate 24, the moving support 6, the clamping jaw 28 and the rotating shaft 23 to rotate at a certain angle. The power motor 25 drives the bidirectional threaded rod 26 to rotate. Under the threaded connection of the bidirectional threaded rod 26 and the clamping jaw 28, and under the limiting support of the limiting rod 27, the bidirectional threaded rod 26 drives the two sets of clamping jaws 28 to move oppositely to clamp, which facilitates the convenient and fast clamping of the workpiece at a certain angle, to complete the use of the double-station alternating feeding device.

[0035] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any indirect modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A double-station alternate feeding device for welding robot, characterized in that: The utility model provides a kind of lifting device, including gantry (1) and support frame (2), the outside of the gantry (1) is provided with two groups of support frame (2) symmetrically, the outside of the support frame (2) is provided with support plate (3), the outside of the support plate (3) is provided with lifting plate (4), the bottom end of the lifting plate (4) is installed with top plate (5), the outside of the top plate (5) is provided with moving bracket (6), the inside side wall of the gantry (1) is symmetrically installed with first rack (7), the side wall of the support frame (2) is installed with servo motor (8), the output of the servo motor (8) is installed with first gear (9), the first gear (9) is engaged with first rack (7), the top end of the gantry (1) is symmetrically installed with first guide rail (11), the bottom end of the support frame (2) is symmetrically installed with two groups of first slider (10), the first slider (10) is slidably connected with first guide rail (11), the side wall of the support frame (2) is installed with second rack (12), the top end side wall of the support plate (3) is installed with step motor (13), the output of the step motor (13) is installed with second gear (14), the second gear (14) is engaged with second rack (12), the top end of the support frame (2) is symmetrically installed with second guide rail (15), the bottom end of the support plate (3) is symmetrically installed with two groups of second slider (16), the second guide rail (15) is slidably connected with second slider (16), the top end of the support plate (3) is installed with first cylinder (17), the output of the first cylinder (17) extends to the outside of support plate (3) and is connected with lifting plate (4), the inside of the support plate (3) is installed with four groups of limit seat (19), the limit seat (19) extends to its outside through support plate (3), the inside of the limit seat (19) is slidably installed with limit post (18), the limit post (18) extends to its outside through limit seat (19), the limit post (18) is connected with lifting plate (4).

2. The double-station alternate feeding device for welding robot according to claim 1, characterized in that: The two sides of the top plate (5) are movably installed with rotating shaft (20), the surface of the rotating shaft (20) is sleeved with second cylinder (21).

3. The double-station alternate feeding device for welding robot according to claim 2, characterized in that: The output of the second cylinder (21) is movably installed with support shaft (22), the outside of the top plate (5) is provided with turnover plate (24), the second cylinder (21) is movably connected with turnover plate (24) through support shaft (22).

4. The double-station alternate feeding device for welding robot according to claim 3, characterized in that: The side, away from support shaft (22), of the turnover plate (24) is movably installed with rotating shaft (23), the turnover plate (24) is movably connected with top plate (5) through rotating shaft (23).

5. The dual station alternate loading device for a welding robot of claim 4, wherein: The bottom end of the turnover plate (24) is connected with moving bracket (6), the side wall of the moving bracket (6) is installed with power motor (25).

6. The dual station alternate loading device for a welding robot of claim 5, wherein: The output of the power motor (25) is installed with two-way threaded rod (26), the two-way threaded rod (26) extends to the inside of moving bracket (6) and is movably connected therewith.

7. The dual station alternate loading device for a welding robot of claim 6, wherein: The bidirectional screw rod (26) is symmetrically movably installed with a limiting rod (27) on the inner side of the outer moving support (6), and the surface of the bidirectional screw rod (26) is symmetrically sleeved with two groups of clamping jaws (28).

8. The dual station alternate loading device for a welding robot of claim 7, wherein: The bidirectional screw rod (26) is in threaded connection with the clamping jaw (28), and the clamping jaw (28) is in sliding connection with the limiting rod (27).

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