CN216680841U

CN216680841U - Welding displacement device and automatic welding equipment

Info

Publication number: CN216680841U
Application number: CN202123309108.3U
Authority: CN
Inventors: 盛建强; 侯苏军
Original assignee: Jiangyin Chensheng Automotive Accessories Co ltd
Current assignee: Jiangsu Chensheng New Energy Co.,Ltd.
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-07
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a welding displacement device, which comprises: the overturning platform is connected with the base through a first rotating shaft; a carrying platform is rotationally arranged, a second rotating shaft of the carrying platform is vertical to the overturning platform, and the carrying platform is provided with a locking mechanism for locking a workpiece to be welded; the turnover mechanism drives the turnover table to turn over around the first rotating shaft; the platform driving mechanism drives the platform to rotate around the second rotating shaft; the guide posts are provided with guide surfaces back to the center of the carrying platform, the surfaces of the guide posts facing the center of the carrying platform are provided with falling guide grooves, and feeding openings of the falling guide grooves are formed in free end surfaces of the guide posts. The quick accurate location of kuppe support frame is realized to the dual direction of welding device that shifts, and the microscope carrier is supplementary to be shifted in the welding process, helps improving welding precision and speed.

Description

Welding displacement device and automatic welding equipment

Technical Field

The utility model relates to the technical field of welding equipment, in particular to a welding displacement device and automatic welding equipment.

Background

The air guide sleeve is an important part on the wind driven generator. The front support of the air guide sleeve comprises an outer support plate, an inner support plate and support beams, wherein the outer support plate, the inner support plate and the support beams are fixedly connected, the support plates and the inner support plate are connected in an annular and coaxial mode, and the support beams are connected to the circumferences of the outer support plate and the inner support plate at equal intervals.

The production process of the air guide sleeve front bracket comprises the following steps: and assembling the outer bearing plate, the inner bearing plate and the support beam by adopting a tool according to preset positions, fixing the assembled outer bearing plate, the inner bearing plate and the support beam by points, and then transferring the assembled outer bearing plate, the assembled inner bearing plate and the support beam into welding equipment for welding. The welding seam between the inner and outer support plates and the support beam comprises circumferential and radial welding seams of the outer support plate and the inner support plate. The welding robot switches welding position consuming time longer, and welding efficiency is lower, consequently needs supplementary the device that shifts that sets up. In order to match with the preset welding position of the welding robot, the front support workpiece needs to be accurately positioned.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a welding position changing device, wherein a guide post positions a front support assembly of a guide cover, and a locking mechanism locks the assembly, so that the position of the assembly in the welding process is ensured to be accurate.

In order to achieve the technical effects, the technical scheme of the utility model is as follows: a weld displacement device comprising:

the overturning platform is connected with the base through a first rotating shaft; a carrying platform is rotationally arranged, a second rotating shaft of the carrying platform is perpendicular to the overturning platform, and the carrying platform is provided with a locking mechanism for locking a workpiece to be welded;

the turnover mechanism drives the turnover table to turn around a first rotating shaft;

the platform driving mechanism drives the platform to rotate around the second rotating shaft;

the guide posts are provided with guide surfaces back to the center of the carrying platform, the surfaces of the guide posts facing the center of the carrying platform are provided with falling guide grooves, and feeding openings of the falling guide grooves are formed in free end surfaces of the guide posts.

The locking mechanism comprises at least three locking blocks and a driving piece correspondingly connected with the locking blocks, and the locking blocks are provided with workpiece crimping surfaces.

The preferred technical scheme is that the closed end face of the falling guide groove is opposite to the feeding opening, the direction from the feeding opening to the closed end face is the groove length direction, and the groove width of the falling guide groove is gradually reduced along the groove length direction.

The preferable technical scheme is that a straight line passing through the center of the carrier and perpendicular to the top surface of the carrier is taken as a central line, the closed end surface of the falling guide groove is opposite to the feeding opening, the direction from the feeding opening to the closed end surface is taken as the groove length direction, and the perpendicular distance from the groove bottom surface of the falling guide groove to the central line is gradually reduced along the groove length direction.

The driving part reciprocates and translates the locking block along the direction parallel to the top surface of the carrier, and the bottom surface of the locking block is provided with a limiting recess matched with a workpiece in a concave-convex manner.

The preferable technical scheme is that the carrier is provided with a guide rail, the guide rail is dispersed on the periphery of the center of the carrier, the guide post moves along the guide rail, and a fixed connecting piece is arranged between the guide post and the guide rail.

The preferable technical scheme is that the guide column comprises a base and a column body which are detachably and fixedly connected.

The preferable technical scheme is that the carrier is provided with at least two supporting blocks which are mutually spaced, and the supporting blocks are arranged in an equal radius mode by taking the center of the carrier as the circle center.

The preferable technical scheme is that the support blocks are correspondingly connected with the guide columns one by one.

The utility model also aims to provide automatic welding equipment which comprises a welding robot and the welding displacement device.

The utility model has the advantages and beneficial effects that:

this welding device that shifts has increased guide post and locking mechanism on the basis of current microscope carrier, and outer bearing plate cup joints outside the guide post in the hoist and mount state built-up member, and the protruding blanking of the guide way direction inner support plate outer fringe of falling to preset position, dual direction realize the quick accurate location of kuppe support frame, and the microscope carrier is supplementary to be shifted in the welding process, helps improving welding precision and speed.

Drawings

FIG. 1 is a schematic top view of a welding displacement device according to an embodiment;

FIG. 2 is a schematic view of the connection structure of the guide post, the flipping table and the carrying table in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the carrier, the guide post and the locking mechanism in FIG. 1;

FIG. 4 is a schematic top view of another embodiment of a welding displacement device;

FIG. 5 is an enlarged view of a portion of FIG. 4;

in the figure: 1. a turning table; 11. a stage; 12. a guide post; 121. a base; 122. a cylinder; 13. a falling guide groove; 14. a guide rail; 15. a support block; 2. a turnover mechanism; 3. a stage driving mechanism; 4. a locking mechanism; 41. a locking block; 42. a linear hydraulic cylinder; 5. a machine base.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present application, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship that is merely for convenience in describing the application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Examples

As shown in fig. 1 and 2, in an embodiment, the welding displacement device includes a turnover table 1, a turnover mechanism 2, and a stage driving mechanism 3; the overturning platform 1 is connected with the base 5 through a first rotating shaft; the overturning platform 1 is rotatably provided with a carrying platform 11, a second rotating shaft of the carrying platform 11 is perpendicular to the overturning platform 1, and the carrying platform 11 is provided with a locking mechanism 4 for locking a workpiece to be welded; the turnover mechanism 2 drives the turnover table 1 to turn over around a first rotating shaft; the stage driving mechanism 3 drives the stage 11 to rotate around the second rotating shaft; three guide posts 12 are arranged at equal radius by taking the center of the carrier 11 as the center of a circle, guide faces back to the center of the carrier 11 are arranged on the guide posts 12, a falling guide groove 13 is arranged on the surface of each guide post 12 facing the center of the carrier 11, and a feeding opening of each falling guide groove 13 is formed in the free end face of each guide post 12.

The flipping mechanism 2 and the stage driving mechanism 3 may be selected as a rotation output mechanism such as a motor, a rotation cylinder, and preferably a servo motor in order to precisely control the rotation angles of the flipping table 1 and the stage 11. The stage driving mechanism 3 is provided below the turn table. The locking mechanism 4 for the pod front support may be used to lock the outer support plate, the inner support plate and the support beam, and to avoid interference with the welding robot in movement, the locking mechanism 4 for locking the outer support plate is preferred. The inner edge of the outer supporting plate is in a perfect circle shape, the outer edge of the inner supporting plate is provided with protrusions, and the number of the guide posts 12 is selected to be 3, 4 and 5 … …, and the number of the guide posts 12 is determined according to the number of the protrusions at the outer edge of the inner supporting plate. The guide surface of the guide post 12 facing away from the center of the stage 11 is preferably a curved surface. Further, the guide posts 12 are disposed at equiangular intervals around the center of the stage 11. The falling guide groove 13 may be provided on one guide post 12, or each guide post 12 may be provided with a falling guide groove 13.

As shown in fig. 3, in another embodiment, the locking mechanism 4 includes three locking blocks 41 and a driving member correspondingly connected to the locking blocks 41, and the locking blocks 41 are provided with workpiece pressure contact surfaces. The driving piece is a linear hydraulic oil cylinder 42, the locking block 41 is connected with a piston rod of the linear hydraulic oil cylinder 42, the L-shaped concave surface of the locking block 41 comprises an inclined bottom surface which is in pressure joint with the workpiece, and the width of a feeding port formed by combining the inclined bottom surface and the top surface of the carrier 11 is larger than the thickness of an external support plate.

As shown in fig. 1, in another embodiment, the closed end surface of the falling guide groove 13 is opposite to the feeding opening, the direction from the feeding opening to the closed end surface is taken as the groove length direction, the groove width of the falling guide groove 13 is gradually reduced along the groove length direction, so that the outer edge of the inner support plate is raised and fallen in the falling guide groove 13 in a hoisting state, and the radial position adjustment of the inner support plate in the falling process is realized.

As shown in fig. 1, in another embodiment, a straight line passing through the center of the carrier 11 and perpendicular to the top surface of the carrier 11 is taken as a center line, a direction from the feeding opening to the closed end surface is taken as a groove length direction, and a perpendicular distance from the groove bottom surface of the falling guide groove 13 to the center line is gradually reduced along the groove length direction, so as to facilitate rapid radial position adjustment of the inner support plate during the falling process.

In another embodiment, as shown in fig. 3, the driving member reciprocally translates the locking block 41 along a direction parallel to the top surface of the stage 11, and the bottom surface of the locking block 41 is provided with a limiting recess that is in concave-convex fit with the workpiece. The outer edge of the outer supporting plate is also in a right circular shape, and the concave surface of the limiting recess comprises an arc surface which is in concave-convex fit with the outer edge of the outer supporting plate.

In another embodiment, as shown in fig. 4, the carrier 11 is provided with a guide rail 14, the guide rail 14 diverges from the periphery of the center of the carrier 11, the guide post 12 moves along the guide rail 14, and a fixed connection is provided between the guide post 12 and the guide rail 14. The guide rail 14 is shown as a groove formed in the carrier 11. The guide posts 12 are moved along the guide rails 14 to predetermined positions to secure the guide posts 12 in place for welding of different sized outer bearing plates.

In another embodiment, as shown in FIG. 5, the guiding post 12 comprises a base 121 and a post 122 that are detachably and fixedly connected. The welding positioning of the bearing plates in different sizes can be met by switching the column 122 or adjusting the inclination angle of the column.

As shown in fig. 4, in another embodiment, the carrier 11 is provided with at least two pads 15 spaced apart from each other, and the pads 15 are arranged at equal radii around the center of the carrier 11. The supporting block 15 can increase the space between the outer supporting plate and the top surface of the carrying platform 11, and is beneficial to welding and heat dissipation. Compared with the contact between a carrier and the surface of an outer support plate, the contact surface between the support block 15 and the outer support plate is small, and the friction force required to be overcome when the locking block 41 pushes the front support assembly to be accurately positioned is also small.

In another embodiment, as shown in fig. 4, the supporting blocks 15 are connected with the guide posts 12 in a one-to-one correspondence. In the figure, the support block 15 is fixedly connected with the guide post 12 and used as a base of the guide post 12, and the support block 15 is provided with a counter bore for accommodating a bolt for connecting the guide post 12 and the carrier 11. In the locked state of the front strut of the air guide sleeve, the outer support plate is clamped between the support block and the locking block 41.

In another embodiment, the automatic welding equipment comprises a welding robot and further comprises the welding displacement device described in the above embodiments.

The working process of the welding displacement device is as follows:

1. hoisting a guide cover front support, enabling the three guide columns 12 to penetrate through holes of an outer support plate, enabling the outer edge of the inner support plate to be protruded into a falling guide groove 13 until the outer support plate is attached to the top surface of a carrying platform 11, enabling a linear hydraulic oil cylinder 42 to drive a locking block 41 to extend out to lock the outer support plate, and fixing the axial position and the radial position of the guide cover front support at the moment;

2. the overturning platform 1 is driven to overturn around the first rotating shaft through the overturning mechanism 2, and the carrying platform 11 is driven to rotate around the second rotating shaft by matching with the carrying platform driving mechanism 3; and (4) switching the positions of the welding seams, and sequentially welding a plurality of welding seams in different extending directions by the welding robot.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A welding displacement device comprising:

the turnover mechanism drives the turnover table to turn over around a first rotating shaft;

the platform driving mechanism drives the platform to rotate around the second rotating shaft; it is characterized in that the preparation method is characterized in that,

2. The welding displacement device of claim 1, wherein the locking mechanism comprises at least three locking blocks and a driving member correspondingly connected with the locking blocks, and the locking blocks are provided with workpiece crimping surfaces.

3. The welding displacement device of claim 1, wherein the closed end surface of the drop guide groove is opposite to the feeding opening, the direction from the feeding opening to the closed end surface is the groove length direction, and the groove width of the drop guide groove is gradually reduced along the groove length direction.

4. The welding displacement device of claim 1, wherein a line passing through the center of the stage and perpendicular to the top surface of the stage is taken as a center line; the closed end face of the falling guide groove is opposite to the feeding opening, the direction from the feeding opening to the closed end face is the groove length direction, and the vertical distance from the groove bottom face of the falling guide groove to the central line is gradually reduced along the groove length direction.

5. The welding displacement device of claim 2, wherein the driving member reciprocally translates the locking block in a direction parallel to the top surface of the carrier, and a bottom surface of the locking block is provided with a limiting recess that is in concave-convex fit with the workpiece.

6. The welding displacement device of claim 1, wherein the carrier is provided with a guide rail, the guide rail diverges from the periphery of the center of the carrier, the guide post moves along the guide rail, and a fixed connecting member is arranged between the guide post and the guide rail.

7. The welding displacement device of claim 1, wherein the guide post comprises a base and a post that are removably and fixedly connected.

8. The welding displacement device of claim 1, wherein the stage is provided with at least two pads spaced apart from each other, the pads being arranged at equal radii from a center of the stage.

9. The welding displacement device of claim 8, wherein the pallets are connected to the guide posts in a one-to-one correspondence.

10. An automatic welding apparatus comprising a welding robot and the welding displacement device of any one of claims 1 to 9.