CN216028687U

CN216028687U - Arc welding robot fast positioning PLC control system

Info

Publication number: CN216028687U
Application number: CN202122213648.5U
Authority: CN
Inventors: 夏大勇; 沈政华
Original assignee: Wuhan Davinan Technology Co ltd
Current assignee: Wuhan Davinan Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-15
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a rapid positioning PLC control system of an arc welding robot, which relates to the technical field of arc welding robot positioning and comprises a bottom plate and a first base, wherein the bottom plate comprises a limiting clamping assembly and a positioning assembly; the arc welding device comprises a base plate, a limiting clamping assembly, a positioning assembly and a connecting rod, wherein the limiting clamping assembly is used for limiting and clamping an article needing arc welding, the positioning assembly is used for quickly positioning the article needing arc welding, the limiting clamping assembly comprises two fixing columns installed at the top of the base plate, the top of one side, close to each other, of each fixing column is fixedly connected with the connecting rod, and a first spring is fixedly installed at the bottom of each connecting rod. The device can carry out spacing centre gripping through the limiting plate to the article that need the arc-welding, avoids the phenomenon that the skew appears in the arc-welding in-process, and can fix a position the article that need the arc-welding fast through the receipt of signal and shielding, has reduced the appearance probability of arc-welding defective goods, has reduced staff's task volume, has reduced the cost of labor.

Description

Arc welding robot fast positioning PLC control system

Technical Field

The utility model relates to the technical field of arc welding robot positioning, in particular to a rapid positioning PLC control system of an arc welding robot.

Background

The general arc welding robot is composed of a teaching box, a control panel, a robot body, an automatic wire feeder, a welding power supply and the like, can realize continuous track control and point arc welding robot control under the control of a computer, can also weld a space welding seam consisting of straight lines and arcs by utilizing the functions of straight line interpolation and arc interpolation, mainly has two types of consumable electrode welding operation and non-consumable electrode welding operation, has the characteristics of long-term welding operation, high productivity, high quality, high stability and the like of the welding operation, and develops towards the direction of intellectualization along with the development of the technology.

The existing arc welding robot is not easy to quickly position an article needing arc welding in the arc welding process, the occurrence probability of arc welding defective products is increased, and the traditional arc welding robot is not easy to limit and clamp the article needing arc welding, so that the article possibly deviates in the arc welding process.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an arc welding robot fixes a position PLC control system fast, and the device can carry out spacing centre gripping to the article that need the arc-welding through the limiting plate, avoids the arc-welding in-process phenomenon that the skew appears, and can fix a position fast to the article that need the arc-welding through the receipt and the shielding of signal, has reduced the appearance probability of arc-welding wastrel, has reduced staff's task volume, has reduced the cost of labor.

In order to achieve the above purpose, the present application provides the following technical solutions: a rapid positioning PLC control system of an arc welding robot comprises a bottom plate and a first base, wherein the bottom plate comprises a limiting clamping assembly and a positioning assembly;

the limiting clamping assembly is used for limiting and clamping an article needing arc welding, and the positioning assembly is used for quickly positioning the article needing arc welding.

Preferably, the limiting and clamping assembly comprises two fixing columns arranged at the top of the bottom plate, a connecting rod is fixedly connected to the top of one side, close to each other, of the fixing columns, a first spring is fixedly arranged at the bottom of the connecting rod, a movable contact spring is fixedly connected to the other end of the first spring, a push rod motor is fixedly arranged on one side, close to each other, of the fixing columns, a limiting plate is fixedly connected to the output end of the push rod motor, two groups of supporting columns are arranged at the top of the bottom plate, two groups of supporting columns are arranged in each group, a first belt pulley is rotatably connected to one side, close to each other, of each group of supporting columns, the outer ring of the two first belt pulleys is tensioned with the same conveying belt, a plurality of placing frames are uniformly and fixedly arranged on the outer sides of the conveying belts, first through holes are formed in the front and the back of the placing frames, and a fixed contact piece is arranged at the top of one side of the placing frames, the fixed contact piece is electrically connected with the push rod motor, and the left side the back fixedly connected with first driving motor base of support column, the first driving motor of front fixedly connected with of first driving motor base, first driving motor's output and left side first belt pulley fixed connection.

Preferably, locating component is including installing at the back the positive T type pole of fixed column, the top of T type pole is provided with first signal transmitter and second signal transmitter, the emission source of first signal transmitter and second signal transmitter is the infrared ray, the equal fixedly connected with aluminum plate in bottom of placing the frame, the top fixed mounting of first base has the PLC controller, the PLC controller includes first signal acceptor and second signal acceptor, PLC controller and push rod motor, cylinder and electric welding signal connection.

Preferably, two fixed blocks of back fixedly connected with of first base, left side the right side fixedly connected with second driving motor of fixed block, the fixed cover of output of second driving motor has first pivot, the right-hand member and the right side of first pivot the left side of fixed block is rotated and is connected, the fixed cover in outer lane of first pivot has the coupling arm, one side that the coupling arm is close to each other is provided with the mount, the top fixedly connected with electric welding of mount, the top fixed mounting of mount has cylinder base, cylinder base's fixed surface is connected with the cylinder, the output fixedly connected with soldered connection of cylinder.

Preferably, the length and the height of the first through hole are larger than those of the limiting plate, and the vertical section of the placing frame is trapezoidal.

Preferably, the aluminum plate is pure black in color and rough in surface, and is connected with the bottom of the placement frame through a bolt.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. the device is reasonable in structure, the device adopts a structure comprising a first driving motor, a placing frame, a push rod motor, a limiting plate and the like, wherein the first driving motor is started to drive a first belt pulley on the left side to rotate by starting the first driving motor, the first belt pulley rotates to drive a first belt pulley on the right side to rotate by a conveyor belt, the conveyor belt moves to drive an article to move by the placing frame, a fixed contact piece moves along with the conveyor belt, when the fixed contact piece is contacted with a movable contact piece, the push rod motor is started to absorb infrared signals sent by a first signal transmitter and a second signal transmitter under the action of an aluminum plate, and the push rod motor is started to limit and clamp the article to be arc-welded by the limiting plate, so that the phenomenon of deviation in the arc-welding process is avoided;

2. according to the device, the first signal receiver and the second signal receiver cannot receive information under the action of the aluminum plate through the structures of the PLC, the air cylinder, the electric welding machine, the first driving motor and the like, then the PLC enables the air cylinder and the electric welding machine to work so as to carry out arc welding on the objects, the objects needing arc welding are quickly positioned through receiving and shielding of signals, and the occurrence probability of arc welding defective goods is reduced.

Drawings

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

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a perspective view of a second embodiment of the present invention;

FIG. 4 is an enlarged view of the portion B in FIG. 3 according to the present invention.

FIG. 5 is a schematic front view of the present invention.

In the figure: 1. a base plate; 2. a support pillar; 3. a first pulley; 4. placing the frame; 5. a first drive motor; 6. a fixed block; 7. a first base; 8. a PLC controller; 9. fixing a column; 10. a connecting rod; 11. welding a head; 12. a cylinder; 13. a fixed mount; 14. a shaft connecting arm; 15. a cylinder base; 16. an electric welding machine; 17. a fixed contact piece; 18. a second drive motor; 19. a conveyor belt; 20. a first spring; 21. a movable contact spring; 22. a first signal transmitter; 23. a second signal transmitter; 24. a T-shaped rod; 25. a limiting plate; 26. a push rod motor.

Detailed Description

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, and not all of 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.

Example (b): referring to fig. 1-5, the arc welding robot rapid positioning PLC control system includes a base plate 1 and a first base 7, wherein the base plate 1 includes a limiting clamping assembly and a positioning assembly;

the limiting clamping assembly is used for limiting and clamping the articles needing arc welding, and the positioning assembly is used for quickly positioning the articles needing arc welding.

The limiting and clamping assembly comprises two fixing columns 9 arranged at the top of a bottom plate 1, a connecting rod 10 is fixedly connected to the top of one side, close to each other, of each fixing column 9, a first spring 20 is fixedly arranged at the bottom of the connecting rod 10, a movable contact spring 21 is fixedly connected to the other end of the first spring 20, when the fixed contact spring 17 is contacted with the movable contact spring 21, a push rod motor 26 is started, push rod motors 26 are fixedly arranged on one sides, close to each other, of the fixing columns 9, a limiting plate 25 is fixedly connected to the output ends of the push rod motors 26, the push rod motors 26 are started to limit and clamp objects needing arc welding through the limiting plate 25, the phenomenon of deviation in the arc welding process is avoided, two groups of supporting columns 2 are arranged at the top of the bottom plate 1, two groups of supporting columns 2 are arranged, one side, close to each group of the supporting columns 2, is rotatably connected with a first belt pulley 3, and the outer rings of the two first belt pulleys 3 are tensioned with a same conveying belt 19, the conveyer belt 19 removes and drives article through placing frame 4 and remove, the even fixed mounting in the outside of conveyer belt 19 has a plurality of to place frame 4, the article that will need the arc-welding are placed on placing frame 4, place the front and the back of frame 4 and all seted up first through-hole, the one side top of placing frame 4 is provided with fixed contact 17, fixed contact 17 and push rod motor 26 electric connection, the first driving motor base of back fixedly connected with of left side support column 2, the first driving motor 5 of the front fixedly connected with of first driving motor base, first driving motor 5 starts to drive the first belt pulley 3 in left side and rotates, the output and the first belt pulley 3 fixed connection in left side of first driving motor 5.

Locating component is including installing the positive T type pole 24 at back fixed column 9, the top of T type pole 24 is provided with first signal transmitter 22 and second signal transmitter 23, the emitter of first signal transmitter 22 and second signal transmitter 23 is the infrared ray, the equal fixedly connected with aluminum plate in bottom of placing frame 4, the top fixed mounting of first base 7 has PLC controller 8, PLC controller 8 includes first signal acceptor and second signal acceptor, first signal acceptor and second signal acceptor can not receive the information under aluminum plate's effect, make cylinder 12 and electric welding 16 begin work PLC controller 8 and push rod motor 26 through PLC controller 8, cylinder 12 and electric welding 16 signal connection.

The back of the first base 7 is fixedly connected with two fixed blocks 6, the right side of the left fixed block 6 is fixedly connected with a second driving motor 18, before use, an operator can adjust a welding angle through the second driving motor 18, the output end of the second driving motor 18 is fixedly sleeved with a first rotating shaft, the right end of the first rotating shaft is rotatably connected with the left side of the right fixed block 6, the outer ring of the first rotating shaft is fixedly sleeved with a shaft connecting arm 14, one side, close to the shaft connecting arm 14, of the shaft connecting arm 14 is provided with a fixed frame 13, the top of the fixed frame 13 is fixedly connected with an electric welding machine 16, the top of the fixed frame 13 is fixedly provided with an air cylinder base 15, the surface of the air cylinder base 15 is fixedly connected with an air cylinder 12, the output end of the air cylinder 12 is fixedly connected with a welding head 11, the length and the height of the first through hole are larger than those of the limiting plate 25, the vertical section of the placing frame 4 is trapezoidal, and the color of the aluminum plate is pure black, and the surface is rough, the infrared rays emitted from the first signal emitter 22 and the second signal emitter 23 are absorbed by the aluminum plate, and the aluminum plate is connected with the bottom of the placing frame 4 by bolts.

This practical theory of operation: before use, an operator adjusts a welding angle through the second driving motor 18, when the device is used, an article to be subjected to arc welding is placed on the placing frame 4, then the first driving motor 5 is started, the first driving motor 5 is started to drive the left first belt pulley 3 to rotate, the first belt pulley 3 rotates to drive the right first belt pulley 3 to rotate through the conveying belt 19, the conveying belt 19 moves to drive the article to move through the placing frame 4, the fixed contact piece 17 moves along with the movement, when the fixed contact piece 17 is in contact with the movable contact piece 21, the first spring 20 is compressed at the same time, the push rod motor 26 is started to absorb infrared signals sent by the first signal transmitter 22 and the second signal transmitter 23 under the action of an aluminum plate, and the push rod motor 26 is started to carry out arc welding clamping on the article to be subjected to arc welding through the limiting plate 25, so that the phenomenon of deviation in an arc welding process is avoided;

the first signal receiver and the second signal receiver can not receive information, the PLC 8 enables the air cylinder 12 and the electric welding machine 16 to work, so that arc welding is conducted on the objects, at the moment, the first driving motor 5 stops rotating, after the arc welding is completed, the PLC 8 controls the push rod motor 26 to be turned off, the limiting plate 25 is enabled to be separated from the placing frame 4, then the first driving motor 5 continues to rotate, the arc welding can be completed by repeating the operation, the objects needing arc welding are quickly positioned through receiving and shielding of signals, and the occurrence probability of arc welding defective products is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an arc welding robot fixes a position PLC control system fast, includes bottom plate (1) and first base (7), its characterized in that: the bottom plate (1) comprises a limiting clamping assembly and a positioning assembly;

2. The arc welding robot rapid positioning PLC control system according to claim 1, characterized in that: the limiting clamping assembly comprises two fixing columns (9) arranged at the top of a bottom plate (1), a connecting rod (10) is fixedly connected to the top of one side, close to each other, of each fixing column (9), a first spring (20) is fixedly arranged at the bottom of each connecting rod (10), a movable contact spring (21) is fixedly connected to the other end of each first spring (20), a push rod motor (26) is fixedly arranged on one side, close to each other, of each fixing column (9), a limiting plate (25) is fixedly connected to the output end of each push rod motor (26), two groups of supporting columns (2) are arranged at the top of the bottom plate (1), two supporting columns (2) are arranged in each group, a first belt pulley (3) is rotatably connected to one side, close to each other, of each group of supporting columns (2), two first belt pulleys (3) are tensioned to the outer ring of the same conveying belt (19), and a plurality of placing frames (4) are uniformly and fixedly arranged on the outer side of the conveying belt (19), place the front and the back of frame (4) and all seted up first through-hole, the one side top of placing frame (4) is provided with fixed contact (17), fixed contact (17) and push rod motor (26) electric connection, left side the first driving motor base of back fixedly connected with of support column (2), the first driving motor (5) of the positive fixedly connected with of first driving motor base, the output and the left side of first driving motor (5) first belt pulley (3) fixed connection.

3. The arc welding robot rapid positioning PLC control system according to claim 2, characterized in that: the locating component comprises a T-shaped rod (24) arranged on the front face of the fixing column (9) at the back face, the top of the T-shaped rod (24) is provided with a first signal transmitter (22) and a second signal transmitter (23), the emitting sources of the first signal transmitter (22) and the second signal transmitter (23) are infrared rays, the bottom of the placing frame (4) is fixedly connected with an aluminum plate, the top of the first base (7) is fixedly provided with a PLC (programmable logic controller) controller (8), the PLC controller (8) comprises a first signal receiver and a second signal receiver, and the PLC controller (8) is in signal connection with a push rod motor (26), a cylinder (12) and an electric welding machine (16).

4. The arc welding robot rapid positioning PLC control system according to claim 1, characterized in that: two fixed blocks (6) of back fixedly connected with of first base (7), the left side right side fixedly connected with second driving motor (18) of fixed block (6), the fixed cover of output of second driving motor (18) has first pivot, the right-hand member and the right side of first pivot the left side of fixed block (6) is rotated and is connected, the fixed cover in outer lane of first pivot has hub connection arm (14), one side that hub connection arm (14) are close to each other is provided with mount (13), the top fixedly connected with electric welding (16) of mount (13), the top fixed mounting of mount (13) has cylinder base (15), the fixed surface of cylinder base (15) is connected with cylinder (12), the output fixedly connected with soldered connection (11) of cylinder (12).

5. The arc welding robot rapid positioning PLC control system according to claim 2, characterized in that: the length and the height of the first through hole are larger than those of the limiting plate (25), and the vertical section of the placing frame (4) is trapezoidal.

6. The arc welding robot rapid positioning PLC control system according to claim 3, characterized in that: the aluminum plate is pure black in color and rough in surface, and is connected with the bottom of the placement frame (4) through bolts.