CN110587097A - Special single-side welding machine for movable polar plate - Google Patents

Special single-side welding machine for movable polar plate Download PDF

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Publication number
CN110587097A
CN110587097A CN201910950009.1A CN201910950009A CN110587097A CN 110587097 A CN110587097 A CN 110587097A CN 201910950009 A CN201910950009 A CN 201910950009A CN 110587097 A CN110587097 A CN 110587097A
Authority
CN
China
Prior art keywords
welding
special machine
polar plate
machine
movable polar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910950009.1A
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Chinese (zh)
Inventor
朱合目
崔怀路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enico Environmental Protection Technology Anhui Co Ltd
Enelco Environmental Technology Anhui Co Ltd
Original Assignee
Enico Environmental Protection Technology Anhui Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enico Environmental Protection Technology Anhui Co Ltd filed Critical Enico Environmental Protection Technology Anhui Co Ltd
Priority to CN201910950009.1A priority Critical patent/CN110587097A/en
Publication of CN110587097A publication Critical patent/CN110587097A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/30Features relating to electrodes
    • B23K11/31Electrode holders and actuating devices therefor
    • B23K11/312Electrode holders and actuating devices therefor for several electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/36Auxiliary equipment

Abstract

A special machine for single-side welding of a movable polar plate comprises a special machine supporting frame, a driving motor, a special machine movable frame, a multi-head resistance spot welding machine, a special machine movable frame limiting device, a special machine waterway cooling system, a special machine gas circuit system, a PLC (programmable logic controller), a linear guide rail assembly, a driving motor gear, a rack, a movable polar plate side positioning device and a movable polar plate welding positioning block. The equipment adopts single-side welding, and completes the welding work of the single-side resistance spot welding seam of the movable polar plate through the relative motion of the movable polar plate and the welding gun.

Description

Special single-side welding machine for movable polar plate
Technical Field
The invention relates to welding equipment for a movable polar plate in an electrostatic dust collector, in particular to a single-side special welding machine for the movable polar plate.
Background
In the electrostatic precipitator in the environmental protection industry, a movable polar plate is frequently used, the structure of the polar plate is that a square tube is welded into a frame, two surfaces of the polar plate are covered with thin steel plates, and the connection between the steel plates and the frame is formed by resistance spot welding. In the welding process of the movable polar plate, a single-point cantilever type resistance spot welding machine is usually adopted for welding, the welding machine needs to weld by a manual method during welding, only one point can be welded at each time, the production efficiency is extremely low, the welding process is unstable, the product quality is difficult to guarantee, the labor intensity of workers is high, the production cost is high, and the modern mass production cannot be met. Particularly in large project production processes, this welding process becomes a "bottleneck" process in the manufacture of products, the production of which cannot meet the requirements of production orders, and therefore must be replaced by new equipment.
Disclosure of Invention
The invention aims to provide the semi-automatic special machine for single-side welding of the movable polar plate, which has the advantages of low investment, quick response, stable product quality and high production efficiency, and overcomes the defects of the existing equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a special machine for single-side welding of a movable polar plate comprises a special machine supporting frame, a driving motor, a special machine movable frame, a multi-head resistance spot welding machine, a special machine movable frame limiting device, a special machine waterway cooling system, a special machine gas circuit system, a PLC (programmable logic controller), a linear guide rail assembly, a driving motor gear, a rack, a movable polar plate side positioning device and a movable polar plate welding positioning block.
The special machine supporting frame is provided with a linear guide rail assembly, the special machine moving frame is arranged on the linear guide rail assembly, the special machine moving frame is provided with a driving motor, and a gear of the driving motor drives the special machine moving frame through a rack so that the moving polar plate can freely move back and forth in the welding process.
All welding spots on the movable polar plate are welded by the multi-point resistance spot welding machine which adopts a gantry structure and is fixedly arranged on a special machine supporting frame.
The special machine is provided with a special machine gas circuit system and a special machine water path cooling system, the special machine gas circuit system provides gas source guarantee for each welding cylinder, a movable polar plate pressing device is provided, stability of air pressure is guaranteed, and the special machine water path cooling system provides reliable circulating cooling water for the resistance welding gun head.
According to the product characteristic analysis of the movable polar plate, in order to meet the welding requirement of the product, the single-side welding special machine for the movable polar plate adopts the mode that the movable polar plate moves and the multipoint resistance spot welding machine does not move, drives a welding workpiece through a driving motor, and simultaneously completes the welding work of the movable polar plate under the control of a PLC (programmable logic controller), a special machine water path cooling system, a special machine gas path system and other mechanisms. The method specifically comprises the following parts: 1. the movable polar plate to be welded relatively moves on a special machine along the direction of the linear guide rail through the transmission of the gear and the rack, and the multipoint resistance spot welding machine is fixed so as to realize the welding of all welding spots in the length direction of the movable polar plate. 2. The driving motor for the forward or backward movement of the movable polar plate to be welded adopts a servo motor, and a PLC controller is equipped to control the moving speed of the movable polar plate to be welded, the distance between welding points and other parameters during welding. 3. The special machine moving frame is adopted to ensure that the movable polar plate to be welded freely moves back and forth in the welding process, the rack and the linear guide rail are arranged on the special machine supporting frame, and the special machine moving frame ensures that the movable polar plate to be welded moves stably in the welding process through the linear guide rail assembly, so that the design requirement is met. 4. The welding of the movable polar plate adopts a resistance spot welding method for welding, the material of parts is low-carbon steel, and the distances between welding spots are not completely the same according to different product sizes. Two ends are 7 uniformly distributed welding spots, and the middle part is 3 uniformly distributed welding spots. 5. All welding spots on the movable polar plate are welded by a multipoint resistance spot welding machine. In order to reduce the occupied space and facilitate welding, the welding machine adopts a gantry type structure. In order to improve the cost performance of the equipment, the resistance welding machine is provided with a power frequency welding power supply, various parameters in the welding process are controlled through a PLC, and different parameters of different welding programs are stored to be called at any time. The actions of all welding guns are controlled by a PLC controller, so that the welding stability of all welding points is ensured. 6. The special machine gas circuit system provides gas source guarantee for each welding cylinder, provides a movable polar plate pressing device, and guarantees the stability of gas pressure. 7. The special machine waterway system provides reliable circulating cooling water for the resistance welding gun head. 8. In order to realize the controllability of each working link, a PLC programmable controller is adopted to realize the automation of the equipment.
The invention has the beneficial effects that: 1. the equipment solves the bottleneck procedure in actual production, can deliver products according to time and meet the requirements of customers. 2. Except feeding and discharging, all other actions of the equipment are controlled by a PLC controller, so that the automation of the welding process is completely realized, the welding stability is ensured, and the product quality is greatly improved. 3. The full-automatic welding process adopted by the equipment greatly reduces the labor intensity of workers, improves the labor condition and improves the enthusiasm of operators. 4. The full-automatic welding adopted by the equipment improves the labor productivity, reduces the labor intensity, has stable product quality, is easy to realize batch production, and creates good economic benefit.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a welding special machine;
FIG. 2 is a top view of the welding special machine;
FIG. 3 is a block diagram of a multi-point resistance welder;
FIG. 4 is a cross-sectional view of a frame structure of the welding special machine;
FIG. 5 is an enlarged view of a driving mechanism of the welding special machine;
fig. 6 is a view showing the structure of the welded moving plate.
In the drawings: 1. a special plane supporting frame; 2. a drive motor; 3. a special plane moving frame; 4. moving the polar plate; 5. a multi-head resistance spot welding machine; 6. a special plane moving frame limiting device; 7. a special machine water cooling system; 8. a special plane gas circuit system; 9. a PLC controller; 10. a linear guide assembly; 11. a drive motor gear; 12. a rack; 13. a movable polar plate side positioning device; 14. and (5) welding a positioning block on the movable polar plate.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5 and 6, the special machine for single-side welding of the movable polar plate comprises a special machine supporting frame 1, a driving motor 2, a special machine movable frame 3, a multi-head resistance spot welding machine 5, a special machine movable frame limiting device 6, a special machine water cooling system 7, a special machine gas circuit system 8, a PLC controller 9, a linear guide rail assembly 10, a driving motor gear 11, a rack 12, a movable polar plate side positioning device 13 and a movable polar plate welding positioning block 14. The movable polar plate 4 to be welded is driven by a driving motor gear 11 and a rack 12, the linear guide rail assembly 10 drives the movable polar plate 4 to be welded to move relatively on a special machine, and the multi-head resistance spot welding machine 5 is fixed to realize the welding of all welding points in the length direction of the movable polar plate 4. The rack 11 and the linear guide rail assembly 10 are arranged on the special machine supporting frame 1, and the special machine supporting frame 1 can ensure that the movable polar plate 4 can freely move back and forth in the welding process. The multi-head resistance spot welding machine 5 adopts a gantry structure, and all welding spots on the movable polar plate 4 are welded by the multi-head resistance spot welding machine 5. A special machine gas circuit system 8 and a special machine water path cooling system 7 are arranged on the special machine, the special machine gas circuit system 8 provides gas source guarantee for each welding cylinder, a pressing device of the movable polar plate 4 is provided, and the stability of the gas pressure is guaranteed; the special machine waterway cooling system 7 provides reliable circulating cooling water for the resistance welding gun head. The special machine is provided with a PLC (programmable logic controller) 9, and the welding work of the movable polar plate 4 is completed through the combined action of various mechanisms such as an electric component, a pneumatic component and the like.
After the special plane switch on, start PLC controller 9, at this moment, the special plane will start special plane gas circuit system 8 and special plane water route cooling system 7, guarantees the normal work of welding cylinder and spot welding head, and the product that will need the welding now: the movable polar plate frame and the panel are placed on the special machine movable frame 3, positioning pins are inserted, and a movable polar plate side positioning device 13 and a movable polar plate welding positioning block 14 are arranged on the side face and the zero position of the movable polar plate, so that the movable polar plate is ensured to be quickly positioned on the movable frame. When the welding button is started, the special machine gas path system 8 compresses the movable polar plate 4 by using the cylinder, the PLC gives an instruction to the driving motor 2, under the control of a program, the movable polar plate 4 moves to a zero point of a special machine, a special machine control system can drive the movable polar plate 4 to move towards the multipoint resistance spot welding machine 5 through the driving motor 2, when moving to the welding station, the PLC controller controls the multipoint resistance spot welding machine 5 to weld 7 welding spots in the first row, after welding, the welding cylinder returns, the multipoint resistance spot welding machine 5 moves one working step (namely, the distance between welding spots), the PLC controller controls the multipoint resistance spot welding machine 5 again to weld 3 welding spots in the second row, then the working step is operated to weld a welding spot in the third row, and so on, all three welding spots in the middle are welded, when the last row is operated, the PLC controller controls the multipoint resistance spot welding machine 5 to weld 7 points in the last row. After the first surface is welded, the product is turned over manually, the movable polar plate 4 is reversed to weld the second surface, after the welding of the first surface is finished, the welding of the product is finished, the welding of the second product can be carried out, and the like, so that uninterrupted production can be realized.

Claims (4)

1. A special machine for single-side welding of a movable polar plate comprises a special machine supporting frame, a driving motor, a special machine movable frame, a multi-head resistance spot welding machine, a special machine movable frame limiting device, a special machine waterway cooling system, a special machine gas circuit system, a PLC (programmable logic controller), a linear guide rail assembly, a driving motor gear, a rack, a movable polar plate side positioning device and a movable polar plate welding positioning block.
2. The special single-side welding machine for the movable polar plate according to claim 1, wherein the special machine supporting frame is provided with a linear guide rail assembly, the special machine moving frame is arranged on the linear guide rail assembly, the special machine moving frame is provided with a driving motor, and a gear of the driving motor drives the special machine moving frame through a rack so that the movable polar plate can move back and forth freely in the welding process.
3. The special single-side welding machine for the movable polar plate according to claim 1, wherein all welding spots on the movable polar plate are welded by the multi-point resistance spot welding machine, and the multi-point resistance spot welding machine is of a gantry type structure and is fixedly arranged on a special machine supporting frame.
4. The special machine for single-side welding of the movable polar plate according to claim 1, wherein a special machine gas circuit system and a special machine water circuit cooling system are arranged on the special machine, the special machine gas circuit system provides gas source guarantee for each welding cylinder, a movable polar plate pressing device is provided, stability of air pressure is guaranteed, and a special machine water cooling system provides reliable circulating cooling water for a resistance welding gun head.
CN201910950009.1A 2019-10-08 2019-10-08 Special single-side welding machine for movable polar plate Pending CN110587097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910950009.1A CN110587097A (en) 2019-10-08 2019-10-08 Special single-side welding machine for movable polar plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910950009.1A CN110587097A (en) 2019-10-08 2019-10-08 Special single-side welding machine for movable polar plate

Publications (1)

Publication Number Publication Date
CN110587097A true CN110587097A (en) 2019-12-20

Family

ID=68865766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910950009.1A Pending CN110587097A (en) 2019-10-08 2019-10-08 Special single-side welding machine for movable polar plate

Country Status (1)

Country Link
CN (1) CN110587097A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113664354A (en) * 2020-05-14 2021-11-19 上汽通用汽车有限公司 Projection welding device, system and method for the field of vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113664354A (en) * 2020-05-14 2021-11-19 上汽通用汽车有限公司 Projection welding device, system and method for the field of vehicles

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