CN110757043A

CN110757043A - Robot spot welding production system for automobile front floor

Info

Publication number: CN110757043A
Application number: CN201911154866.7A
Authority: CN
Inventors: 吴应举
Original assignee: Hefei Changqing Machinery Co Ltd
Current assignee: Hefei Changqing Machinery Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-02-07

Abstract

The invention relates to the technical field of automobile part processing equipment, in particular to a robot spot welding production system of an automobile front floor machine. The invention has the beneficial effects that: the conveyer belt carries the sheet metal component of preceding floor to discharge end above that, under the inertia effect, fall into on the welded seat, detect through the determine module that the sheet metal component correctly falls into the constant head tank of welded seat, the clamping anchor clamps on the welded seat press from both sides tight to the sheet metal component, need not the workman and take off the sheet metal component from the conveyer belt and then the clamping, workman's intensity of labour has been reduced to a certain extent at least, welding efficiency has been improved, in addition still set up drive assembly, it rotates with stand pin joint department along to drive the welded seat through drive assembly, make the welded seat can rotate certain angle, the sheet metal component of being convenient for gets into in the constant head tank fast, the back is accomplished to the clamping, the reversal of drive welded seat becomes the horizontality.

Description

Robot spot welding production system for automobile front floor

Technical Field

The invention relates to the technical field of automobile part processing equipment, in particular to a robot spot welding production system of an automobile front floor machine.

Background

The front floor in the automobile collar part is a sheet metal part with a large area, when spot welding is carried out, the sheet metal part of the front floor is conveyed to a welding platform by a previous process, the sheet metal part is taken down from a conveying belt and clamped onto the welding platform by a worker, welding is further carried out, the sheet metal part is taken down from the conveying belt by the worker, and then clamped onto the welding platform, the worker needs to pay large labor intensity during the period, and the sheet metal part easily cuts the worker, so that potential safety hazards are caused.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides a robot spot welding production system for a front floor of an automobile, which can reduce the labor intensity of workers at least to a certain extent.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

the utility model provides a ground trigger robot spot welding production system before car, includes a conveyer belt, the outside of conveyer belt discharge end is equipped with a stand, the pin joint of stand upper end has the welded seat, the welded seat top surface height is less than the conveyer belt top surface, the welded seat top surface is equipped with sunken constant head tank, the welded seat is kept away from stand one end and is equipped with determine module, and it through drive assembly drive its along with stand pin joint department rotates.

Furthermore, a plurality of rotating rollers which are connected to the welding seat in a rotating mode are arranged in the positioning groove along the length direction of the welding seat in an array mode.

Furthermore, the detection component comprises a fixed sleeve horizontally and fixedly connected on the side wall of one end of the welding seat far away from the upright post, a blind hole with an orifice facing the outer side of the welding seat is coaxially arranged in the fixed sleeve, a sliding block is clamped in the blind hole in a sliding way, the slide block is coaxially and fixedly connected with a detection column which penetrates through the fixed sleeve and the welding seat in a sliding fit manner, the detection column protrudes out of the inner wall of the positioning groove, a baffle plate for sealing the blind hole is arranged at one end of the fixed sleeve away from the welding seat, an elastic piece is arranged in the blind hole, the elastic piece is positioned between the baffle plate and the sliding block and is abutted against the sliding block to enable the sliding block to move towards the welding seat, the sliding block is provided with a detection plate penetrating out of the fixed sleeve, the corresponding peripheral surface of the fixed sleeve is provided with a clearance groove which is used for the detection plate to move and freely pass through and is communicated with the blind hole, the detection plate is provided with an induction block on one side facing the baffle, and the baffle is provided with a proximity switch matched with the induction block for use.

Furthermore, the elastic piece is a spring, and two ends of the spring in the elastic direction respectively abut against the sliding block and the baffle.

Further, drive assembly is including articulating the free bearing in the welding seat bottom surface, install the cylinder on the free bearing, the drive is connected with the connector on the cylinder, connector and stand pin joint.

The invention has the beneficial effects that: the conveyer belt carries the sheet metal component of preceding floor to discharge end above that, under the inertia effect, fall into on the welded seat, detect through the determine module that the sheet metal component correctly falls into the constant head tank of welded seat, the clamping anchor clamps on the welded seat press from both sides tight to the sheet metal component, need not the workman and take off the sheet metal component from the conveyer belt and then the clamping, workman's intensity of labour has been reduced to a certain extent at least, welding efficiency has been improved, in addition still set up drive assembly, it rotates with stand pin joint department along to drive the welded seat through drive assembly, make the welded seat can rotate certain angle, the sheet metal component of being convenient for gets into in the constant head tank fast, the back is accomplished to the clamping, the reversal of drive welded seat becomes the horizontality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of a robotic spot welding system for a front floor of an automobile according to the present invention;

FIG. 2 is a schematic perspective view of the conveyor belt of FIG. 1;

FIG. 3 is a schematic bottom view of the three-dimensional structure of FIG. 2;

FIG. 4 is an exploded view of the perspective structure of FIG. 2;

the reference numerals are explained below:

1-conveying belt, 2-upright post, 3-welding seat, 4-positioning groove, 5-rotating roller, 6-fixing sleeve, 7-sliding block, 8-detection column, 9-baffle, 10-detection plate, 11-clearance groove, 12-induction block, 13-proximity switch, 14-spring, 15-hinged seat, 16-air cylinder and 17-connecting head.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, a robot spot welding production system for a front floor of an automobile comprises a conveying belt 1 driven by an external motor to rotate, wherein an upright post 2 is arranged on the outer side of the discharge end of the conveying belt 1, a welding base 3 is pivoted at the upper end of the upright post 2, the top surface of the welding base 3 is lower than that of the conveying belt 1, a concave positioning groove 4 is arranged on the top surface of the welding base 3, furthermore, a plurality of rotating rollers 5 rotatably connected to the welding base 3 are arranged in the positioning groove 4 along the length direction of the welding base 3 in an array manner, through the arrangement of the rotating rollers 5, a sheet metal part can rapidly move in the positioning groove 4, a detection assembly is arranged at one end of the welding base 3, which is far away from the upright post 2, and is driven by a driving assembly to rotate along the pivoting position with the upright post 2, and comprises a fixed sleeve 6 horizontally and fixedly connected to, a blind hole with an orifice facing the outer side of the welding seat 3 is coaxially arranged in the fixed sleeve 6, a sliding block 7 is clamped in the blind hole in a sliding fit manner, a detection column 8 which penetrates through the fixed sleeve 6 and the welding seat 3 in a sliding fit manner is coaxially and fixedly connected to the sliding block 7, the detection column 8 protrudes out of the inner wall of the positioning groove 4, a baffle 9 which seals the blind hole is arranged at one end, away from the welding seat 3, of the fixed sleeve 6, a spring 14 is arranged in the blind hole, two ends in the elastic direction of the spring 14 respectively abut against the sliding block 7 and the baffle 9, the spring 14 is positioned between the baffle 9 and the sliding block 7 and abuts against the sliding block 7, so that the sliding block 7 moves towards the welding seat 3, a detection plate 10 which penetrates out of the fixed sleeve 6 is arranged on the sliding block 7, a clearance groove 11 which is correspondingly arranged on the circumferential surface of the fixed sleeve 6 and is used, be equipped with proximity switch 13 with the cooperation of response piece 12 and use on baffle 9, drive assembly is including articulating the free bearing 15 in the 3 bottom surfaces of welding seat, install cylinder 16 on the free bearing 15, the drive is connected with connector 17 on the cylinder 16, connector 17 and the pin joint of stand 2.

When the invention is used: when the detection device starts, the length direction of the welding seat forms a certain angle with the running direction of the conveying belt, specifically, one end of the welding seat, which is far away from the conveying belt, inclines downwards, the conveying belt conveys the front floor sheet metal part processed in the previous procedure to the discharge end of the front floor sheet metal part, the front floor sheet metal part falls into the positioning groove of the welding seat under the action of inertia, the sheet metal part is quickly moved to the end, which is far away from the conveying belt, of the positioning groove by rolling of the rotating roller, as the welding seat has a certain angle, the sheet metal part props against the detection column and moves to the outside of the positioning groove, the sheet metal part props against the inner wall, which is far away from the end of the conveying belt, when the detection column moves, the driving slide block slides in the blind hole of the fixed sleeve, the detection plate moves towards the proximity switch, the sensing block enters into the, the external controller controls the action of the clamping fixture (the clamping fixture is the prior art), the sheet metal part is clamped tightly, after the clamping is in place, the external controller controls the cylinder to start, the cylinder acts, the cylinder rod extends out of the cylinder rod, the driving connector rotates along the pin joint with the stand column, the driving welding seat rotates along the pin joint with the stand column, the welding seat rotates to the horizontal state, and then the worker performs spot welding operation on the sheet metal part through the prior art.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a ground trigger robot spot welding production system before car, its characterized in that, includes a conveyer belt (1), the outside of conveyer belt (1) discharge end is equipped with a stand (2), the pin joint of stand (2) upper end has welded seat (3), welded seat (3) top surface height is less than conveyer belt (1) top surface, welded seat (3) top surface is equipped with sunken constant head tank (4), welded seat (3) keep away from stand (2) one end and are equipped with determine module, and its through drive assembly drive its along with stand (2) pin joint department rotates.

2. The robot spot welding production system for the front floor of the automobile according to the claim 1, characterized in that a plurality of rotating rollers (5) rotatably connected to the welding base (3) are arranged in the positioning groove (4) along the length direction of the welding base (3) in an array manner.

3. The spot welding production system of the robot for the front floor of the automobile as claimed in claim 1, wherein the detection assembly comprises a fixing sleeve (6) horizontally fixed on the side wall of one end of the welding seat (3) far away from the upright post (2), a blind hole with an orifice facing the outside of the welding seat (3) is coaxially arranged in the fixing sleeve (6), a sliding block (7) is slidably engaged in the blind hole, a sliding column (8) penetrating the fixing sleeve (6) and the welding seat (3) is coaxially fixed on the sliding block (7), the detection column (8) protrudes out of the inner wall of the positioning groove (4), a baffle (9) for closing the blind hole is arranged at one end of the fixing sleeve (6) far away from the welding seat (3), an elastic member is arranged in the blind hole, the elastic member is arranged between the baffle (9) and the sliding block (7) and abuts against the sliding block (7), so that the sliding block (7) moves towards the welding seat (3), be equipped with pick-up plate (10) of wearing out fixed cover (6) on slider (7), correspond fixed cover (6) are equipped with on global and supply pick-up plate (10) to remove freely through and keep away empty groove (11) with the blind hole intercommunication, pick-up plate (10) are equipped with response piece (12) towards baffle (9) one side, be equipped with proximity switch (13) with response piece (12) cooperation use on baffle (9).

4. The spot welding production system of the robot for the front floor of the automobile according to claim 3, wherein the elastic member is a spring (14), and two ends of the spring (14) in the elastic force direction respectively abut against the sliding block (7) and the baffle plate (9).

5. The spot welding production system of the automobile front floor robot is characterized in that the driving assembly comprises a hinged support (15) hinged to the bottom surface of the welding seat (3), an air cylinder (16) is mounted on the hinged support (15), a connector (17) is connected to the air cylinder (16) in a driving mode, and the connector (17) is pivoted with the upright column (2).