CN216576027U

CN216576027U - Intermediate frequency resistance welding control system based on PLC

Info

Publication number: CN216576027U
Application number: CN202123228142.8U
Authority: CN
Inventors: 杨惟岚; 史学敏; 张钰; 杨建才
Original assignee: Gaobeidian Chengtai Welding Equipment Co ltd
Current assignee: Gaobeidian Chengtai Welding Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-24
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a PLC-based intermediate frequency resistance welding control system which comprises a master control unit, a welding controller and a welding workbench, wherein a limiting plate is fixedly connected to the inner wall of the welding workbench, a collecting mechanism for collecting welding smoke is arranged on the side wall of the limiting plate, the collecting mechanism comprises a limiting block which is connected to the side wall of the limiting plate in a sliding mode, and a mounting seat is fixedly connected to the side wall of the limiting block. The automatic smoke collection device is provided with the collection mechanism, so that the smoke can be automatically collected, the smoke is prevented from entering eyes of operators and damaging the bodies of the operators, the health of the operators is ensured, in addition, the first driving mechanism and the second driving mechanism are arranged, the position of the suction hood can be adjusted according to the welding position, the suction hood can accurately suck away the welding smoke, and the practicability of the device is improved.

Description

Intermediate frequency resistance welding control system based on PLC

Technical Field

The utility model relates to the technical field of industrial manufacturing, in particular to a PLC-based intermediate-frequency resistance welding control system.

Background

Medium frequency resistance welding systems typically accomplish the welding task with specialized machines or personnel. The special machine of the existing intermediate frequency resistance welding system can complete feeding and discharging of workpieces through the feeding and discharging mechanism, so that a large amount of working time is saved, the quality of the welded workpieces can be kept the same due to accurate positioning of the workpieces, and the intermediate frequency resistance welding system is more applied to the welding field.

Although current intermediate frequency resistance welding system degree of automation is high, can accomplish the automatic unloading of going up of work piece, welding, but the welding lacks the collection of welding in-process flue gas, because the location of work piece needs artificial supplementary, therefore operating personnel can contact the flue gas, so the flue gas probably gets into operating personnel's eye, causes the injury to its eye to the security in the device use has been reduced, so, need design an intermediate frequency based on PLC and hinder welding control system and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a PLC-based intermediate-frequency resistance welding control system.

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

the utility model provides a control system is welded to intermediate frequency based on PLC, includes total control unit, welding controller and weldment work platform, weldment work platform inner wall fixedly connected with limiting plate, the limiting plate lateral wall is equipped with the collection mechanism that is used for collecting the welding flue gas, collect the stopper that the mechanism includes sliding connection at the limiting plate lateral wall, stopper lateral wall fixedly connected with mount pad, fixedly connected with collecting box on the mount pad, be equipped with the breathing pipe rather than inside intercommunication on the collecting box, the one end intercommunication that the collecting box was kept away from to the breathing pipe is equipped with the suction hood, fixedly connected with air extractor on the mount pad, air extractor suction end intercommunication is equipped with the communicating pipe with the collecting box intercommunication, the weldment work platform lateral wall is equipped with the first actuating mechanism who is used for driving suction hood longitudinal movement.

Preferably, first actuating mechanism includes fixed connection at the driving motor of weldment work platform lateral wall, driving motor's output shaft fixedly connected with threaded rod, driving motor's one end is kept away from to the threaded rod runs through the mount pad lateral wall, the mount pad lateral wall is equipped with the second actuating mechanism who is used for the drive to inhale cover lateral shifting.

Preferably, the second actuating mechanism includes the electric putter of fixed connection at the mount pad lateral wall, electric putter output fixedly connected with sleeve, sleeve lateral wall fixedly connected with is used for installing the mounting panel of cover of breathing in, be equipped with the limiting mechanism who is used for restricting the cover direction of motion of breathing in the sleeve.

Preferably, the limiting mechanism comprises two cross rods fixedly connected to the side walls of the mounting seat, the side walls of the cross rods are connected with mounting blocks in a sliding mode, and the side walls of the mounting blocks are fixedly connected with the inner wall of the sleeve.

Preferably, the mounting base side wall is fixedly connected with a mounting piece, one end, far away from the collecting box, of the air suction pipe penetrates through the side wall of the mounting piece, the side wall of the air suction pipe is fixedly connected with a fixing block, and the side wall of the fixing block is fixedly connected with the side wall of the sleeve.

Preferably, the filter screen is installed to the collecting box inner wall, be equipped with on the collecting box rather than inside intercommunication blast pipe and row material pipe.

The utility model has the following beneficial effects:

1. the device is provided with a collecting mechanism, an air extractor is started, the air suction cover enables smoke generated by welding to enter the collecting box through the air suction cover and the air suction pipe, dust in the smoke is blocked by the filter screen and stays in the collecting box, air is discharged through the exhaust pipe, automatic collection of the smoke can be achieved, the smoke is prevented from entering eyes of operators and causing damage to the bodies of the operators, and therefore health of the operators is guaranteed;

2. this device has set up first actuating mechanism and second actuating mechanism, starts driving motor, and the mount pad drives the cover of breathing in and removes earlier or successively, starts electric putter, and electric putter is flexible, and the sleeve is controlled and is removed to can adjust the cover position of breathing in according to the welding position, thereby make the cover of breathing in can accurate absorption away the welding flue gas, thereby improve the practicality of device.

Drawings

FIG. 1 is a schematic top view of a PLC-based intermediate frequency solder mask control system according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a diagram of the internal structure of a collection box of the PLC-based intermediate frequency solder mask control system.

In the figure: the device comprises a main control unit 1, a welding controller 2, a welding workbench 3, a driving motor 4, a threaded rod 5, an exhaust pipe 6, an air suction pipe 7, an air suction cover 8, a limiting plate 9, a limiting block 10, a mounting seat 11, an air extractor 12, a collecting box 13, a mounting part 14, a mounting plate 15, a sleeve 16, an electric push rod 17, a mounting block 18, a cross rod 19, a filter screen 20 and a discharge pipe 21.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a PLC-based intermediate frequency resistance welding control system comprises a master control unit 1, a welding controller 2 and a welding workbench 3, wherein a limiting plate 9 is fixedly connected to the inner wall of the welding workbench 3, a collecting mechanism for collecting welding fume is arranged on the side wall of the limiting plate 9, the collecting mechanism comprises a limiting block 10 slidably connected to the side wall of the limiting plate 9, a mounting seat 11 is fixedly connected to the side wall of the limiting block 10, a collecting box 13 is fixedly connected to the mounting seat 11, a suction pipe 7 communicated with the interior of the collecting box 13 is arranged on the collecting box 13, a suction cover 8 is communicated with one end of the suction pipe 7 away from the collecting box 13, an air pump 12 is fixedly connected to the mounting seat 11, a communicating pipe communicated with the collecting box 13 is communicated with the suction end of the air pump 12, a sliding groove matched with the limiting block 10 is arranged on the side wall of the limiting plate 9, the inner wall of the sliding groove limits the side wall of the limiting block 10, when the threaded rod 5 rotates, the limiting block 10 cannot rotate, and therefore the mounting seat 11 can only move back and forth.

3 lateral walls of weldment work platform are equipped with the first actuating mechanism who is used for the drive to inhale cover 8 longitudinal movement, and first actuating mechanism includes fixed connection at the driving motor 4 of 3 lateral walls of weldment work platform, and driving motor 4's output shaft fixedly connected with threaded

rod

5, and 11 lateral walls of mount pad are run through to the one end that driving motor 4 was kept away from to threaded rod 5.

11 lateral walls of mount pad are equipped with the second actuating mechanism that is used for the drive to inhale cover 8 lateral shifting, and second actuating mechanism includes fixed connection at the electric putter 17 of 11 lateral walls of mount pad, and electric putter 17 output fixedly connected with sleeve 16, sleeve 16 lateral wall fixedly connected with are used for the installation to inhale mounting panel 15 of cover 8, and the installation of cover 8 of breathing in does not do too much for prior art so give unnecessary details.

Be equipped with the limiting mechanism who is used for restricting the cover 8 direction of motion of breathing in the sleeve 16, limiting mechanism includes two horizontal poles 19 of fixed connection at the mount pad 11 lateral wall, and horizontal pole 19 lateral wall sliding connection has installation piece 18, and installation piece 18 lateral wall and sleeve 16 inner wall fixed connection, horizontal pole 19 and installation piece 18 can reduce electric putter 17's pressure.

According to the utility model, the side wall of the mounting seat 11 is fixedly connected with the mounting piece 14, one end of the air suction pipe 7, which is far away from the collecting box 13, penetrates through the side wall of the mounting piece 14, the side wall of the air suction pipe 7 is fixedly connected with the fixing block, the side wall of the fixing block is fixedly connected with the side wall of the sleeve 16, and the part of the air suction pipe 7, between the fixing block and the mounting piece 14, is a hose with enough length.

In the utility model, a filter screen 20 is arranged on the inner wall of a collecting box 13, an exhaust pipe 6 and a discharge pipe 21 which are communicated with the inside of the collecting box 13 are arranged on the collecting box 13, a valve is arranged on the discharge pipe 21, and the exhaust pipe 6 is communicated with external exhaust equipment.

When in use, the position of the air suction cover 8 can be adjusted according to the welding position, and the specific operation is as follows: the driving motor 4 is started, the output shaft of the driving motor 4 drives the threaded rod 5 to rotate, the mounting seat 11 drives the air suction cover 8 to move the output shaft of the driving motor 4 in advance or in sequence to rotate reversely, the electric push rod 17 is started, the output shaft of the electric push rod 17 extends to drive the sleeve 16 to extend out, otherwise, the output end of the electric push rod 17 contracts to drive the sleeve 16 to retract, so that the position of the air suction cover 8 can be adjusted according to the welding position, the air suction cover 8 can accurately suck away welding smoke, and the practicability of the device is improved;

in welding process, can start air extractor 12, air extractor 12 takes the air in collecting box 13 out, cover 8 that breathes in produces suction, and the flue gas that the welding produced gets into collecting box 13 through cover 8 and breathing pipe 7 of breathing in, and the dust in the flue gas is blockked by filter screen 20 and is stayed in collecting box 13, and the air passes through blast pipe 6 and discharges, and this process has realized the collection of flue gas, avoids the flue gas to get into operating personnel eyes, causes the injury to the operating personnel health.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An intermediate frequency resistance welding control system based on a PLC (programmable logic controller) comprises a master control unit (1), a welding controller (2) and a welding workbench (3), and is characterized in that a limiting plate (9) is fixedly connected to the inner wall of the welding workbench (3), a collecting mechanism for collecting welding smoke is arranged on the side wall of the limiting plate (9), the collecting mechanism comprises a limiting block (10) which is connected to the side wall of the limiting plate (9) in a sliding manner, a mounting seat (11) is fixedly connected to the side wall of the limiting block (10), a collecting box (13) is fixedly connected to the mounting seat (11), a collecting pipe (7) communicated with the interior of the collecting box (13) is arranged on the collecting box (13), an air suction cover (8) is communicated with one end, away from the collecting box (13), of the air suction pipe (7) is fixedly connected to an air extractor (12), and a communicating pipe communicated with the collecting box (13) is arranged at the air suction end of the air extractor (12), and a first driving mechanism for driving the air suction cover (8) to longitudinally move is arranged on the side wall of the welding workbench (3).

2. The PLC-based intermediate frequency solder mask control system according to claim 1, wherein the first driving mechanism comprises a driving motor (4) fixedly connected to a side wall of the welding workbench (3), a threaded rod (5) is fixedly connected to an output shaft of the driving motor (4), one end, far away from the driving motor (4), of the threaded rod (5) penetrates through a side wall of the mounting seat (11), and a second driving mechanism for driving the air suction cover (8) to move transversely is arranged on the side wall of the mounting seat (11).

3. The PLC-based intermediate frequency solder mask control system according to claim 2, wherein the second driving mechanism comprises an electric push rod (17) fixedly connected to a side wall of the mounting base (11), an output end of the electric push rod (17) is fixedly connected with a sleeve (16), a mounting plate (15) for mounting the suction hood (8) is fixedly connected to a side wall of the sleeve (16), and a limiting mechanism for limiting a moving direction of the suction hood (8) is arranged in the sleeve (16).

4. The PLC-based intermediate frequency solder mask control system according to claim 3, wherein the limiting mechanism comprises two cross bars (19) fixedly connected to the side walls of the mounting base (11), the side walls of the cross bars (19) are slidably connected with mounting blocks (18), and the side walls of the mounting blocks (18) are fixedly connected with the inner wall of the sleeve (16).

5. The PLC-based intermediate frequency resistance welding control system according to claim 3, wherein a mounting part (14) is fixedly connected to a side wall of the mounting seat (11), one end of the air suction pipe (7) far away from the collecting box (13) penetrates through a side wall of the mounting part (14), a fixing block is fixedly connected to a side wall of the air suction pipe (7), and a side wall of the fixing block is fixedly connected with a side wall of the sleeve (16).

6. The PLC-based intermediate frequency solder mask control system according to claim 1, wherein a filter screen (20) is installed on the inner wall of the collection box (13), and an exhaust pipe (6) and a discharge pipe (21) communicated with the interior of the collection box (13) are arranged on the collection box.