CN216758679U

CN216758679U - Double-station four-gun guardrail welding robot

Info

Publication number: CN216758679U
Application number: CN202123354093.2U
Authority: CN
Inventors: 聂国强; 吴迪; 潘胜
Original assignee: Shenyang Nissei Robot Technology Co ltd
Current assignee: Shenyang Nissei Robot Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a double-station four-gun guardrail welding robot which comprises 2 four-shaft two-gun welding robots and a tooling platform, wherein 2 welding stations are installed on the tooling platform, each four-shaft two-gun welding robot comprises a welding machine box body, a Z-axis linear module, a Y-axis linear module, an X-axis linear module, a double-gun interval automatic adjusting A-axis module and a connecting plate, and the double-gun interval automatic adjusting A-axis module adopts a structural form that a servo motor is driven and bidirectional positive and negative tooth ball screws are used for transmission. The multi-axis modularized welding machine adopts a multi-axis modularized design, has a simple structure and low manufacturing cost, can realize automatic welding of a guardrail by utilizing more saved space, and has good stability and high yield; adopt closely duplex position design, can carry out alternative processing to two guardrail welding stations, when unloading on a station, another station can carry out weldment work to closely duplex position can more conveniently carry out the station and switch, increases substantially the weldment work efficiency of robot.

Description

Double-station four-gun guardrail welding robot

Technical Field

The utility model relates to the field of automatic welding equipment, in particular to a double-station four-gun guardrail welding robot.

Background

With the continuous improvement of safety consciousness of people, the usage rate of the guard rail in industry and life is higher and higher, the guard rail is widely applied to various industries, so that the production enterprises of the guard rail have more orders and large production capacity, most of the welding operations of the guard rail of the current production enterprises are still manually finished, the manual operation has great limitation, the production efficiency is low, and the manual welding is difficult to meet the requirements of modern production and quality.

In order to reduce the production cost, improve the product quality and improve the production efficiency, more and more welding robots are applied to welding production instead of manual work. The welding robot in the market at present is mostly industrial articulated arm welding robot, and operation precision and stability are high, but the price is high, is suitable for accomplishing complicated welding task. And for the middle and small enterprises producing the guardrail which is a simple structural member, the joint welding robot is adopted for welding production, so that the operation cost of the enterprises can be increased. The welding of the guardrail is front-back welding, the guardrail needs to be rotated and shifted to be matched with a joint robot to complete welding work, the robot needs to be matched with a welding positioner, or the front-side welding is completed by manual overturning and then the back-side welding work is carried out, and the welding work of the guardrail cannot be completed at one time. If the double-station continuous work is to be realized, two position changing machines are required to work in a matching way, so that the production cost is greatly improved; and the articulated arm robot is welded by a single welding gun, so that the improvement on the welding production efficiency is limited. There is also the double-gun welding special plane to guardrail product development, but needs the manual coordination to accomplish the guardrail upset and shift, also can not once accomplish the weldment work of guardrail, moreover because the welding can produce the deformation, the welding position respectively can weld not well after the upset, leads to welding hourglass or false welding phenomenon, and this production efficiency that also leads to equipment is not high, so the above-mentioned problem of double-station efficient guardrail welding equipment solution of urgent need.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model makes up the defects of the prior art and provides a double-station guardrail welding robot; the robot welding device is modular in design, simple in structure and low in cost, and greatly improves the welding work efficiency of the robot while being convenient for personnel to operate.

In order to achieve the purpose, the utility model adopts the following technical scheme.

The utility model provides a duplex position guardrail welding robot, includes 2 four-axis double gun welding robots, frock platform, its characterized in that: the tooling platform is positioned in the middle position of 2 four-axis double-gun welding robots, 2 welding stations are installed on the tooling platform, each four-axis double-gun welding robot comprises a welding machine box body, a Z-axis linear module, a Y-axis linear module, an X-axis linear module, a double-gun spacing automatic adjustment A-axis module and a connecting plate, the Z-axis linear module is connected to the front position on the left side of the welding machine box body, a sliding seat of the Z-axis linear module is connected with one side of the connecting plate, the other side of the connecting plate is connected with a sliding seat of the Y-axis linear module, the upper part of one end of the Y-axis linear module is connected with the X-axis linear module through a long connecting plate, the double-gun spacing automatic adjustment A-axis module is connected onto a sliding seat of the X-axis linear module, and the double-gun spacing automatic adjustment A-axis module adopts a structural form of servo motor drive and bidirectional positive and negative tooth ball screw drive, 2 nuts are arranged on the bidirectional positive and negative tooth ball screw, a sliding support seat is connected to each nut, an anti-collision device connecting plate is arranged on each sliding support seat, an anti-collision device is connected to the other end of each anti-collision device connecting plate, a clamping round sleeve is connected to the front end of each anti-collision device, an aluminum round pipe is arranged on each clamping round sleeve, a welding gun clamping seat is connected to each aluminum round pipe, a welding gun is arranged on each welding gun clamping seat, a gland is arranged on each welding gun clamping seat in a matched mode, the welding gun clamping is achieved through the matching of the welding gun clamping seats and the gland, the bidirectional positive and negative tooth ball screw is driven to rotate through the rotation of a servo motor, 2 nuts are close to or separate from each other, the two sliding support seats and connecting pieces of the two sliding support seats are driven to move, the distance between 2 welding guns is adjusted, and the function of automatically adjusting the distance between the welding guns is achieved, and the welding requirements of various sizes are met.

Furthermore, the X-axis linear module is used for driving the double-gun interval automatic adjustment A-axis module to move left and right, so that the switching of two welding guns between two welding stations is completed, and the functional requirement of double-station welding is met.

Further, 2 four-axis double-gun welding robot structure is the same, respectively has 4 motion axes, adopts the structural style of face-to-face symmetrical arrangement, installs two electric welding machines on every four-axis double-gun welding robot, realizes the welding of double gun simultaneously, saves time, and work efficiency is high.

Further, install two guardrail welding stations on the frock platform, the guardrail adopts the structural style of perpendicular installation, utilizes 2 like this four-axis double gun welding robot follows the vertical joint of guardrail both sides vertical welding guardrail simultaneously, just once can realize the positive and negative welding of guardrail, does not need the guardrail upset to shift, and the action is simple, the batch production of being convenient for.

Compared with the prior art, the utility model has the advantages that: the utility model adopts a rectangular coordinate structure, adopts a multi-axis modular design, has simple structure and low manufacturing cost, can realize the automatic welding work of the guardrail by utilizing more saved space, and has good stability and high yield; adopt closely duplex position design, can carry out alternative processing to two guardrail welding stations, when unloading on a station, another station can carry out weldment work, increases substantially the weldment work efficiency of robot to closely the duplex position can more conveniently carry out the station and switch, saves time.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the four-axis twin-gun welding robot of the present invention.

FIG. 3 is a schematic structural diagram of the automatic double-gun spacing adjustment A-axis module of the present invention.

As shown in the figure: the welding machine comprises a four-axis double-gun welding robot 1, a tool platform 2, an electric welding machine 3, a guardrail welding station 4, a guardrail welding station 5, a guardrail welding station two, a welding machine box 6, a Z-axis linear module 7, a Y-axis linear module 8, an X-axis linear module 9, a double-gun interval automatic adjustment A-axis module 10, a connecting plate 11, a long connecting plate 12, a linear guide rail 13, a bidirectional positive and negative-tooth ball screw 14, a servo motor 15, a bottom plate 16, a bearing seat connecting plate 17, a bearing seat 18, a shaft coupling 19, a motor mounting plate 20, a screw 21, a sliding support seat 22, an anti-collision device connecting plate 23, an anti-collision device 24, a clamping round sleeve 25, an aluminum round pipe 26, a welding gun clamping seat 27, a welding gun and a gland 29.

Detailed Description

The double-station four-gun guardrail welding robot is further described in detail with reference to the accompanying drawings.

The utility model provides a double-station four-gun guardrail welding robot which is shown in the attached drawing 1 and comprises 2 four-axis two-gun welding robots 1 and a tooling platform 2 which are identical in structure, wherein the tooling platform 2 is positioned in the middle of the 2 four-axis two-gun welding robots 1, the 2 four-axis two-gun welding robots 1 are identical in structure and respectively provided with 4 moving shafts, a structural form of face-to-face symmetrical arrangement is adopted, and 2 electric welding machines 3 are installed on each four-axis two-gun welding robot 1, so that the double-gun simultaneous welding is realized, the time is saved, and the working efficiency is high.

Install guardrail welding station 4, guardrail welding two stations 5 on the frock platform 2, the guardrail adopts the structural style of perpendicular installation, utilizes 2 four-axis double gun welding robots 1 like this, from the vertical welding vertical joint of guardrail both sides while, just once can realize the positive and negative welding of guardrail, does not need the guardrail upset to shift, and is simple in production.

With reference to the attached drawing 2, the four-axis double-gun welding robot comprises a welding machine box 6, a Z-axis linear module 7, a Y-axis linear module 8, an X-axis linear module 9, a double-gun interval automatic adjusting A-axis module 10 and a connecting plate 11, wherein the Z-axis linear module 7 is connected to the front position of the left side of the welding machine box 6, the stroke of the Z-axis linear module 7 is 2200mm, and the welding requirements of the guardrail in the length direction are met; the sliding seat of the Z-axis linear module 7 is connected with one side of the connecting plate 11, the other side of the connecting plate 11 is connected with the sliding seat of the Y-axis linear module 8, and the stroke of the Y-axis linear module 8 is 500mm, so that the welding requirements of guardrails with different sizes and widths are met; the upper part of one end of the Y-axis linear module 8 is connected with the X-axis linear module 9 through a long connecting plate 12, and the stroke of the X-axis linear module 9 is 600mm, so that the requirement of double-station switching is met; the sliding seat of the X-axis linear module 9 is connected with the double-gun interval automatic adjustment A-axis module 10, the opening and closing stroke of the double-gun interval automatic adjustment A-axis module 10 is 150mm, the requirements of different weld seam widths of the guardrail are met, the structures of the X-axis linear module 9, the Y-axis linear module 8 and the Z-axis linear module 7 are linear axis module structures of conventional technical means, and detailed structures are not repeated.

Referring to fig. 3, the double-gun interval automatic adjustment a-axis module 10 is designed in a structural form that two high-precision linear guide rails 13 are used as a guide mechanism, a bidirectional positive and negative tooth ball screw 14 is used for transmission, and a servo motor 15 is used for driving. The linear guide rail 13 is installed on a bottom plate 16, bearing seat connecting plates 17 are installed at two ends of the bottom plate 16, bearing seats 18 are installed on the bearing seat connecting plates 17, bidirectional positive and negative teeth ball screws 14 are installed in inner holes of the bearing seats 18, the bearing seats 18 are installed at two ends of the bidirectional positive and negative teeth ball screws 14, a servo motor 15 is connected with the bidirectional positive and negative teeth ball screws 14 through a coupler 19, the servo motor 15 is installed on a motor installing plate 20, the motor installing plate 20 is connected with the bottom plate 16, 2 screw nuts 21 are installed on the positive and negative teeth ball screws 14, slide supporting seats 22 are respectively connected to the 2 screw nuts 21, bumper connecting plates 23 are installed on the slide supporting seats 22, the other ends of the bumper connecting plates 23 are connected with bumpers 24, the front ends of the bumpers 24 are connected with clamping round sleeves 25, the clamping round sleeves 25 are provided with aluminum round tubes 26, welding gun clamping seats 27 are connected to the aluminum round tubes 26, and welding guns 28 are arranged on the welding gun clamping seats 27, the welding gun clamping seat 27 is provided with a gland 29 matched with the welding gun clamping seat 27, and the welding gun clamping seat 27 is matched with the gland 29 to clamp the welding gun 28. Like this servo motor 15 rotates, drives positive and negative tooth ball 14 and rotates to 2 nuts 21 are close to or separately, realize driving two slide support seats 22 and its connecting piece and remove, thereby realize adjusting two welder 28's interval distance, realize the function of automatically regulated welder 28 interval, satisfy the welding requirement of multiple size.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the utility model.

Claims

1. The utility model provides a four rifle guardrail welding robots in duplex position, includes 2 four-axis two rifle welding robots, frock platform, its characterized in that: the tooling platform is positioned in the middle position of 2 four-axis double-gun welding robots, 2 welding stations are installed on the tooling platform, each four-axis double-gun welding robot comprises a welding machine box body, a Z-axis linear module, a Y-axis linear module, an X-axis linear module, a double-gun spacing automatic adjustment A-axis module and a connecting plate, the Z-axis linear module is connected to the front position on the left side of the welding machine box body, a sliding seat of the Z-axis linear module is connected with one side of the connecting plate, the other side of the connecting plate is connected with a sliding seat of the Y-axis linear module, the upper part of one end of the Y-axis linear module is connected with the X-axis linear module through a long connecting plate, the double-gun spacing automatic adjustment A-axis module is connected onto a sliding seat of the X-axis linear module, and the double-gun spacing automatic adjustment A-axis module adopts a structural form of servo motor drive and bidirectional positive and negative tooth ball screw drive, install 2 nuts on the two-way positive and negative tooth ball, be connected with the sliding support seat on the nut, install the bumper connecting plate on the sliding support seat, the other end on the bumper connecting plate is connected with the bumper, the front end of bumper is connected with the centre gripping circle cover, the aluminium pipe is installed to the centre gripping circle cover, be connected with the welder grip slipper on the aluminium pipe, be equipped with welder on the welder grip slipper, be equipped with rather than the complex gland on the welder grip slipper, the clamp of butt welder is realized with the gland cooperation to the welder grip slipper.

2. The double-station four-gun guardrail welding robot of claim 1, characterized in that: the X-axis linear module is used for driving the double-gun interval automatic adjustment A-axis module to move left and right, so that two welding guns are switched between two welding stations, and the functional requirement of double-station welding is met.

3. The double-station four-gun guardrail welding robot of claim 1, characterized in that: 2 the four-axis double-gun welding robot structure is the same, respectively has 4 motion axes, adopts the structural style of face-to-face symmetrical arrangement, installs two electric welding machines on every four-axis double-gun welding robot, realizes the welding of double-gun simultaneously, saves time, and work efficiency is high.

4. The double-station four-gun guardrail welding robot of claim 1, characterized in that: install two guardrail welding stations on the frock platform, the guardrail adopts the structural style of perpendicular installation, utilizes 2 like this four-axis double-gun welding robot, from the vertical seam of guardrail both sides vertical welding guardrail simultaneously, just once can realize the positive and negative welding of guardrail, does not need the guardrail upset to shift, and the action is simple, the batch production of being convenient for.