CN211219395U

CN211219395U - Welding workstation

Info

Publication number: CN211219395U
Application number: CN201922170582.9U
Authority: CN
Inventors: 孙建新; 杨耀辉; 马旭健; 宋美燕; 刘智民
Original assignee: Beijing Lingyun Dong Park Technology Co ltd
Current assignee: Beijing Lingyun Dong Park Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-11
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to a welding workstation, including the welding operation cabin, PLC switch board and general signal case are located the welding operation cabin outside, be equipped with welding jig in the welding operation cabin, positioning mechanism, welder guiding mechanism, welder elevating system, welding start switch and welding completion switch, wherein positioning mechanism is located welding operation cabin below central point and puts and be used for locking the location to welding jig, welder guiding mechanism and welder elevating system are located welding operation cabin top, general signal case passing signal line is connected with the PLC switch board, be equipped with the trachea on the general signal case and connect and be connected with welding jig through the pipeline. The utility model has the advantages that make professional equipment universalization through the design to positioning mechanism, special electric signal case and welding signal. The utilization rate of the equipment is improved to the maximum extent, and the time for replacing the clamp is reduced.

Description

Welding workstation

Technical Field

The utility model relates to a door processing field especially relates to a weldment work station, and this device is used for the welding operation of automobile parts, especially is used for the welding of car side crash bar.

Background

In the field of automobile parts, mainly welding is used, a welding workstation mainly completes a welding process, and a welding fixture completes fixing of welding parts, so that the quality stability of welding products is guaranteed.

The existing welding workstation and the welding fixture are split in the welding process, when the welding fixture needs to be replaced, the universality is poor due to the influence of product characteristics, the replacement time is long, the occupied area of equipment is greatly increased, and the production efficiency is reduced. In addition, the work station positioning system is used for positioning two ends at present, the clamps are different due to different product lengths, and different product clamps cannot be positioned in other welding work stations; the original electrical signal box signal is connected to the welding fixture through an aviation plug, when the fixture is replaced, the plug connection of another fixture is performed after the plug connection is disconnected and the replacement is completed, and because the program needs to be modified after the signal difference is linked, the compatibility is poor; the original welding signal is in an electromagnetic induction switch mode and is fixed, the length of a welding bead cannot be adjusted, and when metal objects such as welding slag fall on the electromagnetic switch, misoperation is easy to occur, so that the problems of equipment alarm, poor welding and the like are caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the prior art, improve the commonality of workstation, the utility model provides a modified weldment work station, this weldment work station's concrete scheme as follows:

the utility model provides a welding workstation, including the welding operation cabin, PLC switch board and general signal case are located the welding operation cabin outside, be equipped with welding jig in the welding operation cabin, positioning mechanism, welder guiding mechanism, welder elevating system, welding start switch and welding completion switch, wherein positioning mechanism is located welding operation cabin below central point and puts and be used for locking the location to welding jig, welder guiding mechanism and welder elevating system are located welding operation cabin top, general signal case passes through the signal line and is connected with the PLC switch board, be equipped with the trachea joint on the general signal case and be connected with welding jig through the pipeline.

Further, the welding gun device comprises a welding signal track, a motor and a variable frequency controller, wherein a welding gun is arranged on the welding signal track, a welding start switch and a welding completion switch are arranged on the left side and the right side of the welding signal track, the positions of the welding start switch and the welding completion switch can be adjusted on the welding signal track, the welding gun is driven by the motor to reciprocate on the welding signal track, after the welding start signal is received, the PLC control cabinet sends an instruction to the variable frequency controller, the variable frequency controller drives the motor to drive the welding gun to continue to move forwards, when the welding gun moves to the position of the welding completion switch to stop welding and is lifted to the upper limit position by the welding gun lifting mechanism, the PLC control cabinet sends the instruction to the variable frequency controller, and the variable frequency controller drives the motor to drive the.

Further, the welding start switch and the welding completion switch are stroke switches.

Further, the welding operation cabin inlet is provided with a protective door curtain.

Further, the welding gun lifting mechanism is an air cylinder.

Furthermore, the welding gun adjusting mechanism is of a mechanical knob type and is divided into an upper adjustment mode, a lower adjustment mode and a front adjustment mode, the knob drives the lead screw to rotate, and the lead screw drives the knob to move in parallel to achieve the upper adjustment mode, the lower adjustment mode and the front adjustment mode of the welding gun.

Furthermore, the welding gun adjusting mechanism, the welding gun lifting mechanism, the welding starting switch and the welding finishing switch are respectively arranged on two sides above the welding operation cabin.

Furthermore, the positioning mechanism is controlled by an air cylinder, and an air cylinder rod is manually toggled to open and close the air cylinder and penetrate into a positioning hole of the welding fixture to fix the welding fixture so as to prevent the fixture from moving in all directions.

The utility model discloses to welding workstation positioning system's design, change traditional anchor clamps positioning system design, set up welding workstation positioning system at the central line position, this locate mode does not receive product length and anchor clamps size restriction. The design of a control system of the welding workstation is characterized in that a replaceable clamp control signal is manufactured into a universal signal box and fixed on the welding workstation, corresponding gas circuit interfaces are reserved outside the signal box and are numbered, the replacement of the clamp can normally work only by connecting corresponding gas circuits, and the replacement time of the clamp is saved. The design of welding signals of the welding workstation is influenced by the structure of a product, the welding starting point and the welding length are variable, the welding arc starting signals and the welding completion signals are freely adjustable, and the adjustable range is adjusted according to the size maximization of the welding workstation.

The utility model has the advantages that make professional equipment universalization through the design to positioning mechanism, special electric signal case and welding signal. The utilization rate of the equipment is improved to the maximum extent, and the time for replacing the clamp is reduced.

Drawings

Fig. 1 is a perspective view of a welding station of the present invention.

Detailed Description

The following is a detailed description of a specific embodiment of the welding workstation of the present invention, taking the machining of the bumper bar on the side of the automobile as an example, the welding workstation includes a welding operation cabin, a PLC control cabinet 10 and a general signal box 11, the PLC control cabinet 10 and the general signal box 11 are located outside the welding operation cabin, and a welding fixture 2, a positioning mechanism 6, a welding gun 1, a welding gun adjusting mechanism 7, a welding gun lifting mechanism, a welding start switch 5 and a welding completion switch 4 are arranged in the welding operation cabin. The welding gun lifting mechanism is a welding gun lifting cylinder 9, the welding gun adjusting mechanism 7 is of a mechanical knob type and is divided into an upper adjustment mode, a lower adjustment mode and a front adjustment mode, the knob drives the lead screw to rotate, and the lead screw drives the knob to move in parallel to achieve the upper adjustment mode, the lower adjustment mode and the front adjustment mode of the welding gun. A protective door curtain 3 is arranged at the entrance of the welding operation cabin.

The positioning mechanism 6 is located at the center below the welding operation cabin and used for locking and positioning the welding fixture 2, the positioning mechanism 6 is controlled by a cylinder, a cylinder rod is manually toggled to open and close the cylinder rod and extends into a positioning hole of the welding fixture to fix the welding fixture so as to prevent the fixture from moving in all directions, and the positioning mode is not limited by the length of a product and the size of the fixture, so that the fixture can be ensured to be located at the center of the welding operation cabin in each positioning.

The welding gun adjusting mechanism 7 and the welding gun lifting mechanism are located above the welding operation cabin, the universal signal box 11 is connected with the PLC control cabinet 10 through a signal line, and the universal signal box 11 is provided with a gas pipe connector and is connected with the welding fixture 2 through a pipeline. Through making interchangeable anchor clamps control signal general signal case 11, fix at weldment work station, general signal case 11 outside sets aside corresponding gas circuit interface and numbers, changes anchor clamps and only needs to connect corresponding gas circuit and can carry out normal work, practices thrift anchor clamps change time.

The welding workstation further comprises a signal track, a motor and a variable frequency controller, wherein the welding gun 1 is arranged on the welding signal track, the welding start switch 5 and the welding finish switch 4 are arranged on the left side and the right side of the welding signal track, and the positions of the welding start switch 5 and the welding finish switch 4 can be adjusted on the welding signal track. The welding gun is driven by the motor to reciprocate on the welding signal track, when a welding start signal is received, the PLC control cabinet sends an instruction to the variable frequency controller, the variable frequency controller drives the motor to drive the welding gun to continue to move forwards, when the welding gun moves to a position of a welding completion switch to stop welding and is lifted to an upper limit position by the welding gun lifting mechanism, the PLC control cabinet sends an instruction to the variable frequency controller, and the variable frequency controller drives the motor to drive the welding gun to move reversely to the welding start switch to stop. The welding start switch 5 and the welding completion switch 4 are stroke switches. The welding starting point and the welding length are variable due to the influence of the product structure, the welding arc starting signal and the welding completion signal are freely adjustable, and the adjustable range is adjusted according to the size of the welding workstation in a maximized mode

And the welding gun 1, the welding gun adjusting mechanism 7, the welding gun lifting mechanism, the welding start switch 5 and the welding completion switch 4 are respectively arranged at two sides above the welding operation cabin.

The utility model discloses a welding workstation's theory of operation does: the welding fixture 2 is placed into a welding workstation, then the positioning mechanism 6 is locked, the angle and the height of a welding gun are adjusted through the welding gun adjusting mechanism 7, the welding position and the welding length are adjusted through adjusting the welding position or the switch 5 and the welding completion switch 4, after the adjustment is completed, a product is placed on the welding fixture 2, the product is tightened by pressing the starting button 8, the door curtain 3 is prevented from falling down, the welding gun lifting cylinder 9 drives the welding gun to fall down for welding, when the welding gun moves to the welding completion switch 4, the welding gun stops welding, the welding gun lifting cylinder 9 drives the welding gun to lift up and move to the welding start switch, meanwhile, the door curtain 3 is prevented from lifting up, the welding fixture 2 is opened, and the whole flow operation is completed.

The above description is only for one specific embodiment of the present invention and is not intended as a limitation on the scope of the present invention, and modifications, variations and substitutions made by those skilled in the art to the above embodiments based on their understanding of the present invention are all within the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a welding workstation, includes welding operation cabin, PLC switch board and general signal box are located the welding operation cabin outside, its characterized in that: the welding operation cabin is internally provided with a welding fixture, a positioning mechanism, a welding gun adjusting mechanism, a welding gun lifting mechanism, a welding start switch and a welding completion switch, wherein the positioning mechanism is positioned at the center below the welding operation cabin and used for locking and positioning the welding fixture, the welding gun adjusting mechanism and the welding gun lifting mechanism are positioned above the welding operation cabin, a universal signal box is connected with a PLC control cabinet through a signal line, and a gas pipe joint is arranged on the universal signal box and is connected with the welding fixture through a pipeline.

2. The welding workstation of claim 1 wherein the weld start switch and weld complete switch are travel switches.

3. The welding workstation of claim 1 wherein the welding operator compartment access opening is provided with a protective door curtain.

4. The welding workstation of claim 1 wherein the torch lift mechanism is a pneumatic cylinder.

5. The welding workstation of claim 1 wherein said torch adjustment mechanism is a mechanical knob and includes up and down and back and forth adjustments, wherein said knob rotates a lead screw that moves a knob in parallel to effect up and down and back and forth adjustments of the torch.

6. The welding workstation of claim 1 wherein the welding gun, the welding gun adjustment mechanism, the welding gun lift mechanism, the weld start switch and the weld complete switch are in two sets, one on each side of the upper portion of the welding operator compartment.

7. The welding station of claim 1, wherein the positioning mechanism is a pneumatic cylinder control, and a pneumatic cylinder rod is manually toggled to move into a positioning hole of the welding fixture to fix the welding fixture against movement in all directions.

8. The welding workstation according to any one of claims 1 to 7, further comprising a welding signal track, a motor, and a variable frequency controller, wherein the welding torch is disposed on the welding signal track, the welding start switch and the welding completion switch are disposed on the left and right sides of the welding signal track, and the positions of the welding start switch and the welding completion switch are adjustable on the welding signal track, the welding torch is driven by the motor to reciprocate on the welding signal track, the PLC control cabinet sends a command to the variable frequency controller when receiving the welding start signal, the variable frequency controller drives the motor to drive the welding torch to continue to move forward, the PLC control cabinet sends a command to the variable frequency controller when the welding torch is moved to the welding completion switch position to stop welding and is lifted to the upper limit position by the welding torch lifting mechanism, and the variable frequency controller drives the motor to drive the welding torch to move backward to the welding start.