CN107617801B - High-frequency welding mechanism and method for wire feeder - Google Patents
High-frequency welding mechanism and method for wire feeder Download PDFInfo
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- CN107617801B CN107617801B CN201711048257.4A CN201711048257A CN107617801B CN 107617801 B CN107617801 B CN 107617801B CN 201711048257 A CN201711048257 A CN 201711048257A CN 107617801 B CN107617801 B CN 107617801B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a high-frequency welding mechanism and a high-frequency welding method of a wire feeder, wherein a workpiece to be machined is fixed on the workpiece tool positioned at the lower end of an induction coil through a workpiece tool, an air cylinder adjusting mechanism, a wire feeding mechanism and a brazing device on a workbench, the induction coil on the brazing device is used for carrying out electromagnetic induction heating on a substituted workpiece, then an air cylinder device on the air cylinder adjusting mechanism is controlled by a control system to send a wire feeding nozzle to the workpiece to be machined, a force sensor is used for sensing whether welding wires are melted or not so as to accurately feed wires, the wire feeding mechanism, the brazing device and the force sensor are matched to realize precise matching of the welding wires and welded parts, the operation efficiency and the convenience are improved, the manual control is replaced by the control system, the precise matching of all the welded parts and the welding wires is ensured, so that the optimal quality of products is realized.
Description
Technical Field
The invention belongs to the technical field of high-frequency induction high-frequency brazing, and relates to a high-frequency welding mechanism of a wire feeder and a control method.
Background
Welding of pipe joints in the air conditioning and refrigeration industry requires the welding operation of a wire feeder matched with high-frequency equipment. The traditional welding adopts flame and wire feeder to be matched for design, so that the stability of a product is difficult to ensure by continuously adjusting the flame pressure, the gas is not fully combusted, the cost is increased, the environment is polluted, the production cost is reduced, and the stability of the product is guaranteed.
The existing welding mechanism has unstable flame pressure and unstable temperature in the welding process, the welding wire is not melted at the beginning of wire feeding, the problems of wire deflection or insufficient solder quantity and the like occur, and the optimal quality of the product cannot be ensured. New mechanisms need to be designed to address the problems of existing mechanisms.
Disclosure of Invention
The invention aims to provide a high-frequency welding mechanism of a wire feeder, which realizes precise matching of welding wires and a welded part and improves the operation efficiency and convenience.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a send silk quick-witted high frequency welding mechanism, including the workstation and set up work piece frock, cylinder guiding mechanism, wire feeding mechanism and the device of brazing on the workstation, be equipped with the induction coil that is used for electromagnetic induction heating on the device of brazing, induction coil is located work piece frock upper end, be fixed with cylinder device on the cylinder guiding mechanism, wire feeding shower nozzle on the wire feeding mechanism passes through the support to be fixed on cylinder device's piston, be connected with force transducer between wire feeding shower nozzle and cylinder device's the piston, still include the control system who is used for cylinder guiding mechanism, wire feeding mechanism and the device control adjustment of brazing.
Further, the workbench is provided with a lifting mechanism, and the workpiece fixture is fixed on the lifting mechanism.
Further, the workpiece fixture is a brass fixture.
Further, a control wire tray for providing welding wires is arranged on the workbench.
Further, the cylinder adjusting mechanism, the wire feeding mechanism and the brazing device are all arranged in the electric control mechanism.
Further, the cylinder adjusting mechanism comprises a three-way adjusting tool, the cylinder device is fixed on the three-way adjusting tool, and the position of the cylinder device in the X/Y/Z directions is adjusted through the three-way adjusting tool.
The welding method of the high-frequency welding mechanism of the wire feeder specifically comprises the following steps:
1) Clamping a workpiece to be welded on a workpiece tool, and conveying the workpiece to be welded into the induction coil through a lifting device;
2) Heating a workpiece to be welded through an induction coil;
3) Delivering the wire feeding nozzle head to a welding area through a cylinder device;
4) After the wire feeding nozzle head reaches a designated position, a wire feeding machine feeds wires;
5) After the welding wire is melted, the wire feeding nozzle head returns to the initial position under the driving of the air cylinder.
Further, in step 4), when the welding wire contacts the workpiece, the workpiece does not reach the melting temperature of the welding wire, the welding wire is backed by the force sensor to be more resistant, the welding wire is advanced again, and the repeated process can melt the welding wire until the temperature of the workpiece is reached, so that wire feeding is completed.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a high-frequency welding mechanism and a high-frequency welding method of a wire feeder, wherein a workpiece to be machined is fixed on the workpiece fixture positioned at the lower end of an induction coil through a workpiece fixture, an air cylinder adjusting mechanism, a wire feeding mechanism and a brazing device on a workbench, the induction coil on the brazing device is used for carrying out electromagnetic induction heating on a substituted workpiece, then the air cylinder device on the air cylinder adjusting mechanism is controlled by a control system to send a wire feeding nozzle to the workpiece to be machined, whether a welding wire is melted or not is sensed by a force sensor, so that the wire feeding mechanism, the brazing device and the force sensor are matched to realize precise matching of the welding wire and a welded part, the operation efficiency and the convenience are improved, the control system is adopted to replace manual control, the full automation is realized, the precise matching of the welded part and the welding wire is ensured, the optimal quality of a product is realized, the mechanism can be matched with the single-station and multi-station welding operation according to the actual situation on site, and the welding problem of the product is solved.
Further, the work piece frock adopts brass frock, and brass frock high temperature resistant is strong, and the centre gripping stability is good.
Further, a control wire reel for providing welding wires is arranged on the workbench, so that the welding wires are conveniently placed on the wire reel and the wire feeder is conveniently and smoothly fed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the electrical control mechanism of the present invention.
Fig. 3 is a schematic view of a partial enlarged structure of the wire feeding nozzle of the present invention.
Wherein, 1, a brazing device; 2. a lifting mechanism; 3. a workpiece fixture; 4. an induction coil; 5. a cylinder device; 6. an air cylinder adjusting mechanism; 7. controlling a wire tray; 8. a wire feeding mechanism; 9. an electrical control mechanism; 10. a work table; 12. and a wire feeding nozzle.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 to 3, a high-frequency welding mechanism of a wire feeder comprises a workbench 10, and a workpiece fixture 3, a cylinder adjusting mechanism 6, a wire feeding mechanism 8 and a brazing device 1 which are arranged on the workbench 10, wherein the workbench 10 is provided with a lifting mechanism 2, the workpiece fixture 3 is fixed on the lifting mechanism 2, the workpiece fixture 3 is used for workpiece clamping, and the workpiece fixture 3 is a brass fixture; the brazing device 1 is provided with an induction coil 4 for electromagnetic induction heating, the induction coil 4 is positioned at the upper end of a workpiece tool 3, a cylinder device 5 is fixed on a cylinder adjusting mechanism 6, a wire feeding nozzle 12 on a wire feeding mechanism 8 is fixed on a piston of the cylinder device 5 through a bracket, a force sensor 13 is connected between the wire feeding nozzle 12 and the piston of the cylinder device 5, a control wire tray 7 for providing welding wires is arranged on a workbench 10, and the brazing device further comprises a control system for controlling and adjusting the cylinder adjusting mechanism 6, the wire feeding mechanism 8 and the brazing device 1, wherein the cylinder adjusting mechanism 6, the wire feeding mechanism 8 and the brazing device 1 are all arranged in an electric control mechanism 9, and the control system is a PLC; the cylinder adjusting mechanism 6 comprises a three-way adjusting tool, the cylinder device 5 is fixed on the three-way adjusting tool, and the position of the cylinder device 5 in the X/Y/Z directions is adjusted through the three-way adjusting tool. The brazing apparatus 1 is a high-frequency welder.
In use, welding wire is placed in the wire control disc 7 and fed to the wire feed head 12 by the wire feed mechanism 8.
A control method of a high-frequency welding mechanism of a wire feeder specifically comprises the following steps:
1. clamping a workpiece to be welded on a workpiece tool 3, and conveying the workpiece to be welded into an induction coil 4 through a lifting device 2;
2. heating a workpiece to be welded through an induction coil 4;
3. delivering the wire feeding nozzle head 12 to a welding area through a cylinder device;
4. after the wire feeding nozzle head 12 reaches a designated position, the wire feeding machine 8 carries out wire feeding;
5. after the welding wire is melted, the wire feeding nozzle head 12 returns to the initial position under the driving of the air cylinder.
Specifically, in step 4, when the welding wire contacts the workpiece, the workpiece does not reach the melting temperature of the welding wire, the welding wire is backed by the force sensor to be more resistant, the welding wire is advanced again, and the repeated process can melt the welding wire until the temperature of the workpiece is reached, so that wire feeding is completed.
The X, Y, Z axis direction adjustment is arranged on the sensor 13, the three-axis adjusting mechanism can more effectively adjust the position of the wire feeding nozzle head, the position adjustment of the welding wire for many times in the welding process is reduced, the operation procedure is reduced, and the efficiency is improved.
Claims (4)
1. The utility model provides a send silk quick-witted high frequency welding mechanism, a serial communication port, work piece frock (3) including workstation (10) and setting on workstation (10), cylinder guiding mechanism (6), wire feeding mechanism (8) and brazing device (1), be equipped with on brazing device (1) and be used for electromagnetic induction heating's induction coil (4), induction coil (4) are located work piece frock (3) upper end, be fixed with cylinder device (5) on cylinder guiding mechanism (6), wire feeding shower nozzle (12) on wire feeding mechanism (8) are fixed on the piston of cylinder device (5) through the support, be connected with force transducer (13) between wire feeding shower nozzle (12) and the piston of cylinder device (5), still include control system that is used for cylinder guiding mechanism (6), wire feeding mechanism (8) and brazing device (1) control adjustment, cylinder guiding mechanism (6), wire feeding mechanism (8) and brazing device (1) all are arranged in electrical control mechanism (9), be equipped with elevating system (2) on workstation (10), work piece frock (3) are fixed on elevating system (2), work piece frock (3) are equipped with wire reel (7) for work piece frock (10).
2. The high-frequency welding mechanism of a wire feeder according to claim 1, wherein the cylinder adjusting mechanism (6) comprises a three-way adjusting tool, the cylinder device (5) is fixed on the three-way adjusting tool, and the position of the cylinder device (5) in three directions of X/Y/Z is adjusted by the three-way adjusting tool.
3. The welding method of a high-frequency welding mechanism of a wire feeder according to claim 1, comprising the steps of:
1) Clamping a workpiece to be welded on a workpiece tool (3), and conveying the workpiece to be welded into an induction coil (4) through a lifting mechanism (2);
2) Heating a workpiece to be welded through an induction coil (4);
3) Delivering the wire delivery nozzle (12) to a welding area through a cylinder device;
4) After the wire feeding spray head (12) reaches a designated position, the wire feeding mechanism (8) feeds wires;
5) After the welding wire is melted, the wire feeding nozzle (12) returns to the initial position under the driving of the air cylinder.
4. A welding method according to claim 3, wherein in step 4), when the welding wire contacts the workpiece, the workpiece does not reach the melting temperature of the welding wire, the welding wire is backed by the force sensor to have a larger resistance, the welding wire is reworked, and the process is repeated until the temperature of the workpiece can melt the welding wire, thereby completing wire feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711048257.4A CN107617801B (en) | 2017-10-31 | 2017-10-31 | High-frequency welding mechanism and method for wire feeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711048257.4A CN107617801B (en) | 2017-10-31 | 2017-10-31 | High-frequency welding mechanism and method for wire feeder |
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| Publication Number | Publication Date |
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| CN107617801A CN107617801A (en) | 2018-01-23 |
| CN107617801B true CN107617801B (en) | 2023-08-11 |
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| CN201711048257.4A Active CN107617801B (en) | 2017-10-31 | 2017-10-31 | High-frequency welding mechanism and method for wire feeder |
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| CN108907384B (en) * | 2018-07-19 | 2020-11-10 | 厦门理工学院 | Automatic brazing equipment and method for joints of square copper pipes |
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| CN109202208A (en) * | 2018-10-29 | 2019-01-15 | 西安北辰亿科电子科技有限公司 | One kind being based on inductor induction heating open-close type heating-fixing apparatus |
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| CN110722235B (en) * | 2019-09-11 | 2022-03-29 | 株洲硬质合金集团有限公司 | Pick brazing machine |
| CN110936042B (en) * | 2019-10-30 | 2022-07-19 | 中国电器科学研究院股份有限公司 | Copper pipe welding method |
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| CN113560688B (en) * | 2021-09-26 | 2021-12-17 | 徐州振海工程机械有限公司 | Iron tower is built and is used equipment of brazing with locating component |
| CN114713958B (en) * | 2022-03-10 | 2023-04-28 | 燕山大学 | Profile precise electromagnetic welding test device and process based on machine vision |
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