CN1323795C - Precise welding machine with long suspension arm - Google Patents
Precise welding machine with long suspension arm Download PDFInfo
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- CN1323795C CN1323795C CNB2004100271847A CN200410027184A CN1323795C CN 1323795 C CN1323795 C CN 1323795C CN B2004100271847 A CNB2004100271847 A CN B2004100271847A CN 200410027184 A CN200410027184 A CN 200410027184A CN 1323795 C CN1323795 C CN 1323795C
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Abstract
The present invention relates to a precise welding machine with a long suspension arm. The welding machine comprises a welding machine bracket, a working bottom board, a machine head, an electrode clamp, a control circuit and an optical device, wherein the welding machine bracket comprises a portal base, a shovel-shaped bracket and a tight clamping plate; the machine head is arranged at the suspension arm end of the shovel-shaped bracket and mainly comprises a metal member which is provided with a pressure sensor and a deformation cavity. The welding machine can allow a thin work piece and has large area to move freely on a working table of the welding machine and can accurately control welding force, welding time and other electrical parameters. The welding machine is suitable for carrying out welding to repair circuit lines of a printed circuit board or meeting the production needs of solar energy cells.
Description
Technical field
The present invention relates to a kind ofly carry out the precision welding machine of single welding, be applicable to the weldment large tracts of land workpiece of Bao Youxi again, for example production of printed circuit board (PCB) fix-up circuit line or solar cell etc. with long cantilever.
Background technology
Printed circuit board (PCB) manufactory makes various printed circuits on copper clad plate, the area of copper clad plate is 610 * 915mm, the thickness of Copper Foil is less than 0.05mm, the printed circuit line width that has has only about 0.10mm, unavoidably can occur circuit in manufacturing process disconnects, if can not be good the circuit mending that disconnects, then the monoblock circuit board be scrapped; The production of solar cell need connect the energy that silicon wafer is collected with thin and thin metal lead-out wire, method in the past is to use soldering, but soldering can not be high temperature resistant, do not satisfy the needs of producing large-area high-quality solar cell.Though existing welding machine also includes welder support and parts such as working plate, head, electrode and terminal clamp, circuit and Optical devices, but these welding machines generally can only the less workpiece of bonding area, and weld force, weld interval and other electrical quantity control accuracy are not high, can't satisfy the weldment welding requirements of the large tracts of land workpiece of Bao Youxi again.
Summary of the invention
The purpose of this invention is to provide a kind of long cantilever precise welder, carry out repair by welding circuit line or produce solar cell etc. applicable to printed circuit board (PCB), this welding machine can allow thin and the big workpiece of area moves freely on the welding machine workbench, and can accurately control weld force, weld interval and other electrical quantity.
Welding machine of the present invention is made up of welder support and working plate, head, terminal clamp, control circuit and Optical devices five parts, it is characterized in that welder support is made of gantry base, spade support and three hardwares of tightening clamping plate, one end of spade support and tightening clamping plate with vertical direction from being clamped in the central authorities of gantry base up and down, the other end is for installing the cantilever end of head, and base two columns in gantry are installed on the working plate.
This welder support also can only adopt two hardwares of gantry base and spade support to be connected, can also be gantry base and spade support cast solid.Owing to make the copper clad plate area of printed circuit board (PCB) is 610 * 915mm (wide * long), the about 2mm of thickness, so frame length will guarantee that circuit board 610mm can move freely in below the base of gantry, the height of gantry base will guarantee the stroke needs of electrode welding.The spade planar section of spade support and tightening clamping plate with vertical direction from being clamped in the central authorities of gantry support up and down, make the spade support become the long cantilever that closely links with gantry base, after the length requirement of spade support is installed head and terminal clamp, make the air line distance of electrode and gantry base column also will surpass 610mm, and width and thickness and two columns partly do not have strict demand, and rigidity requires and practicality is advisable to reach.General reference dimension gantry base width about 200mm, thickness about 30-40mm, column thickness 40-60mm, height about 80-100mm, two gantry upright post are fixed on the side of about 800 * 800mm working plate.
Head section.The hardware that band pressure sensor and deformation chamber arranged in the head, this member two metal fixture blocks by two ends respectively with structure-pull bar that weld force is provided be connected with slide-bar, slide-bar is connected with terminal clamp, electrode is installed on the terminal clamp; The signal of pressure sensor is connected with cpu i/f through amplifying the processing back.Specifically as shown in Figure 3.
Because welding machine of the present invention need weld the weldment less than 0.05mm thickness, need accurately control weld force, so head section except the control electrode stroke, also will provide accurate weld force simultaneously.In handpiece structure, because the part of slide-bar and relevant tractive terminal clamp all is equipped with the line sliding bearing, during work, external force is by pull bar tractive metal fixture block, slide-bar can very smooth-going area moving electrode chuck and electrode move down, make electrode and workpiece that certain contact force be arranged, the reaction force of contact force and traction force acting in conjunction, make the deformation chamber produce deformation, deformation power is detected and is converted into signal of telecommunication amplification and handles by pressure sensor, and is connected with CPU by interface, because CPU presets, when deformation power reaches setting value, power switch is triggered, for electrode provides welding needed electric current.Adopts pressure sensor control weld force, simple in structure and accuracy height, relative error can reach 1 ‰.As seen this head section also provides accurate weld force except the stroke of control electrode very smooth-goingly.
The terminal clamp part.Terminal clamp by each two metal fixture block of front and back up and down each two metal spring sheet constitute, its annexation is: back two metal fixture blocks are the parallel lower end that is connected the head slide-bar of terminal clamp, four metal spring sheets connect front and back metal fixture block, preceding fixture block is installed two parallel poles and output cable, and the joint of output cable is installed in the upper end of two preceding metal fixture blocks.In the preceding outside of two preceding metal fixture blocks of terminal clamp, spot light is installed in addition.Specifically as shown in Figure 4.
Because being applicable to, welding machine of the present invention carries out the single welding welding on the workpiece that area is big approaching, and the stroke of electrode is short, generally have only about 10mm, so require terminal clamp narrow as far as possible, to expose working face as far as possible, take into account simultaneously the weld force equalization that offers parallel pole, factors such as the illumination during work again.
The control circuit part.Welding machine of the present invention adopts the resistance spot weld welding technology, and the main power source of welding machine is a capacitance energy storage type, also can adopt inversion secondary rectifier power source.Control circuit is connected CPU respectively by input control circuit, pressure sensor signal treatment circuit, governor circuit and parameter display circuit and constitutes, output circuit and feedback circuit are connected with governor circuit, current detection circuit directly connects CPU, include pulse control circuit, high-voltage driving circuit and high-voltage control circuit in the governor circuit, these circuit are connected with comparator by CPU equally.When output pulse amplitude and width reach setting value, comparator triggers, and the driving switch pipe is connected output circuit, provides welding needed pulse.General every welding in order accurately to regulate and control the time and the voltage of weld force and pulse output, has been adopted CPU control and negative-feedback circuit once with a pulse output on circuit design, the theory diagram of control circuit as shown in Figure 6.Control circuit partly make the power supply regulation box be positioned over gantry base above, and be connected with terminal clamp with two output cables.
Because welding work pieces is not only thin but also thin,, induction coil has been installed simultaneously on the output circuit to detect the magnitude of current of output, as another parameter indication of weighing welding so need the voltage drop between detecting electrode to regulate as parameter from motional feedback circuit.Handle by Single-chip Controlling and CPU, the precision of the width of pulse output can reach 1ms, and the precision of impulse amplitude reaches 0.01V, can satisfy the output requirement of the not only thin but also fine workmanship's part of welding fully.During work, at first welding parameters such as the needed weld force of welding and pulse output width (weld interval), amplitude (voltage) and the magnitude of current are presetted by the input button, and show at display circuit by CPU.And the pressure sensor signal processing circuit mainly is converted into the electric signal amplification to the detected deformation power of pressure sensor, and is connected with cpu i/f.When weld force reaches setting value.By single-chip microcomputer and comparator comparator is triggered.Provide weld force by pressure sensor, simple in structure and accuracy height, relative error can reach 1 ‰ grams.
Optical devices are made up of the focusing carriage of firm banking and band trunnion axis, between trunnion axis and the focusing carriage turning joint is arranged, on the focusing carriage support platform is arranged, oblique set screw is arranged on trunnion axis, this set screw is pressed on the support platform, trunnion axis is installed in the upper end of firm banking, and firm banking is directly installed on the upper end of head.
Because welded piece is tiny, welding machine of the present invention must just can be operated under stereomicroscope or CCD amplification demonstration.The monocular tube microscope of general stereomicroscope or band CCD all will be installed in band and regulate in the focusing carriage of tooth bar, and the focusing carriage is fixed on the support again and could uses.Because welding machine arm length of the present invention, the space is limited, so general support all can not be installed on the welding machine of the present invention, is necessary the support of design specialized.
Because the present invention adopts the structure of gantry base, on working plate, can vacate bigger space, can allow large-area workpiece on workbench, to move freely, and gantry base above, can be used to place power supply again and transfer the display of control cabinet and micro-amplification, make the compact conformation, both artistic and practical of whole welding machine.
Description of drawings
Fig. 1 is that long cantilever beam precision welding machine structure chart of the present invention: a is that front view: b is a side view.
Fig. 2 is welder support and working plate; A is a front view; B is a side view; C is a vertical view.
Fig. 3 is handpiece structure figure.
Fig. 4 is the terminal clamp structure chart.(a) being front elevation, (b) is side view, (c) is vertical view.
Fig. 5 is the Optical devices rack assumption diagrams.
Fig. 6 is the schematic block circuit diagram of welding machine complete machine of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
In Fig. 1 Fig. 2, welding machine of the present invention is made of the display 1 and the Optical devices 7 of welder support, working plate 2, head 3, terminal clamp 4 and electrode 5, power supply regulation box 6 and micro-amplification.Welder support is made of gantry base 8, spade support 9 and tightening clamping plate 10, one transverse plane of spade support 9 part and tightening clamping plate 10 with vertical direction from being clamped in the central authorities of gantry base 8 up and down, make the other end of spade support form long cantilever, gantry base 8 is installed on the working plate 2; Head 3 is installed in the cantilever end of spade support 9; Optical devices 7 are installed on the head 3.Terminal clamp 4 and electrode 5 the lower end of head 3.The top display 1 of gantry base 8 in order to placement power supply regulation box 6 and/or micro-amplification.
In Fig. 3, pressoreceptor 11 is installed in the downside in deformation chamber, the hardware 12 of having formed pressure sensor, this member is connected with slide-bar 16 with structure one pull bar 15 that weld force is provided respectively by two metal fixture blocks 13,14, slide-bar is connected with terminal clamp 4, electrode 5 is installed on the terminal clamp, and line sliding bearing 17 is installed on the slide-bar.
In Fig. 4, terminal clamp is by each two metal fixture block of front and back, and each two metal spring sheet and two spot lights constitute up and down.Back metal fixture block 21 is added with insulation pad 22 to the parallel lower end that is connected head slide-bar 16 of terminal clamp in the middle of slide-bar and fixture block; Four metal spring sheets 23 are from two metal fixture blocks connections in two bundle of planes front and back up and down, and effect makes the weld force equalization that offers parallel pole; Preceding metal fixture block 24 is used to install parallel pole 5, connects feedback line and output cable joint 25, has spot light 26 simultaneously.The output cable joint of tradition welding machine all is installed in the lateral surface of metal fixture block, and welding machine of the present invention is installed in the upper end of two preceding metal fixture blocks to the output cable joint, and the width that makes terminal clamp like this is constriction, the working space of exposed electrode to greatest extent greatly.Electrode adopts two pellet electrodes, and the front end of fixture block makes it to form parallel pole before being installed in, to carry out the single welding welding.In the preceding outside of two preceding fixture blocks, be processed with two inside oblique apertures, in order to the white light-emitting diode spot light to be installed, and make it to focus on the below of parallel pole.Adjusting screw(rod) 27 also is installed between the fixture block front end after two, the size that is used to regulate the parallel pole gap, and and holding screw 28 together, terminal clamp is fixed on the slide-bar.
In Fig. 5, the focusing carriage 31 that band is regulated tooth bar is installed on the firm banking 33 by trunnion axis 32, and the firm banking top has screw 34, firm banking directly to be fixed on last the place ahead of head 3.Because the focusing carriage has turning joint 35 to be connected with trunnion axis, there is the oblique screw hole that runs through that set screw 36 is installed on the trunnion axis, the end of set screw is pressed on the support platform 37 of focusing on the carriage, so rotate the angle that set screw just can be regulated microscope or CCD (micro-amplification demonstration); Unclamp screw and just can regulate the longitudinal separation of microscope or CCD; The handwheel 39 that rotates the focusing carriage can drive the focal length that tooth bar is regulated microscope or CCD.In Fig. 1, the display 1 of CCD be placed on gantry base above.
In the schematic block circuit diagram of Fig. 6, control circuit is connected CPU 44 respectively by input control circuit 41, pressure sensor signal treatment circuit 42, governor circuit 45 and parameter display circuit 43 and constitutes, output circuit 46 and feedback circuit 48 are connected with governor circuit 45, current detection circuit 49 directly connects CPU, include pulse control circuit, high-voltage driving circuit and high-voltage control circuit in the governor circuit, these circuit are connected with comparator by CPU equally.
Claims (6)
1, a kind of long cantilever precision welding machine, form by welder support and working plate, head, terminal clamp, control circuit and Optical devices, it is characterized in that welder support is propped up by gantry base, spade is configured to, and the spade support is fixed on the central authorities of gantry base, and gantry base is installed on the working plate; Head is installed in the cantilever end of spade support; Terminal clamp by each two metal fixture block of front and back and up and down respectively two metal spring sheets constitute, its annexation is: back two metal fixture blocks are connected terminal clamp the lower end of head slide-bar, four metal spring sheets connect front and back metal fixture block, the first two piece metal fixture block is installed two parallel poles and output cable, and terminal clamp is installed in the lower end of head slide-bar; The power supply box that control circuit is installed be placed on gantry base above, and be connected with terminal clamp with two output cables; Optical devices are installed in the upper end of head by the Optical devices support, the support of Optical devices is made of the focusing carriage of firm banking and band trunnion axis, between trunnion axis and the focusing carriage turning joint is arranged, on the focusing carriage support platform is arranged, oblique set screw is arranged on trunnion axis, this set screw is pressed on the support platform, and trunnion axis is installed on the firm banking, and firm banking is directly installed on the upper end of head.
2, a kind of long cantilever precise welder as claimed in claim 1, it is characterized in that having in the head of this welding machine the hardware of band pressure sensor, this member one end is connected with the mechanism that weld force is provided, and the other end links to each other with slide-bar, slide-bar is connected with terminal clamp, and electrode is installed on the terminal clamp; The signal of pressure sensor is connected with cpu i/f through amplifying the processing back.
3, a kind of long cantilever precise welder as claimed in claim 1 is characterized in that in the preceding outside of two preceding metal fixture blocks of terminal clamp spot light being installed.
4, a kind of long cantilever precision welding machine as claimed in claim 1, the control circuit that it is characterized in that welding machine is connected CPU respectively by input control circuit, pressure sensor signal treatment circuit, governor circuit and parameter display circuit and constitutes, output circuit and feedback circuit are connected with governor circuit, current detection circuit directly connects CPU, include pulse control circuit, high-voltage driving circuit and high-voltage control circuit in the governor circuit, these circuit are connected with comparator by CPU equally.
5, a kind of long cantilever precise welder as claimed in claim 1 is characterized in that gantry base and the spade support cast solid of welder support.
6, a kind of long cantilever precise welder as claimed in claim 1 is characterized in that having on welder support with vertical direction from being clamped in the tightening clamping plate of gantry base central authorities up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100271847A CN1323795C (en) | 2004-05-14 | 2004-05-14 | Precise welding machine with long suspension arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100271847A CN1323795C (en) | 2004-05-14 | 2004-05-14 | Precise welding machine with long suspension arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1569379A CN1569379A (en) | 2005-01-26 |
| CN1323795C true CN1323795C (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100271847A Expired - Fee Related CN1323795C (en) | 2004-05-14 | 2004-05-14 | Precise welding machine with long suspension arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1323795C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941118B (en) * | 2010-08-17 | 2013-02-20 | 镇江泛沃汽车零部件有限公司 | Clamping welding machine head |
| CN103658960A (en) * | 2013-12-03 | 2014-03-26 | 广州微点焊设备有限公司 | Spot welding machine for resistance welding micro-welding |
| CN103706933A (en) * | 2013-12-03 | 2014-04-09 | 广州微点焊设备有限公司 | Integrated automatic microscopic welding equipment |
| CN204075521U (en) * | 2013-12-03 | 2015-01-07 | 广州微点焊设备有限公司 | The micro-welding equipment of Pyroelectric Media welding resistance |
| CN106271233A (en) * | 2015-05-12 | 2017-01-04 | 王卫华 | A kind of automatic welder(welding machine) |
| CN106392288A (en) * | 2016-12-12 | 2017-02-15 | 广州微点焊设备有限公司 | Spot welding machine head of micro welding |
| CN109317845A (en) * | 2018-08-14 | 2019-02-12 | 苏州库瑞奇自动化有限公司 | A kind of busbar bonding machine with multi-functional formula welding mould group |
| CN110576249B (en) * | 2019-08-16 | 2021-10-29 | 广州微点焊设备有限公司 | Micro-resistance welding single-side welding machine |
| CN110576248B (en) * | 2019-09-02 | 2021-11-26 | 广州微点焊设备有限公司 | Micro-resistance welding butt welder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424505A (en) * | 1992-07-31 | 1995-06-13 | Hirotec Corporation | Spot welding machine |
| JPH0985460A (en) * | 1995-09-19 | 1997-03-31 | Toyota Motor Corp | Welding machine |
| CN1318449A (en) * | 2001-06-07 | 2001-10-24 | 杨仕桐 | Spot welder capable of welding lacquered wire directly |
| CN1323675A (en) * | 2001-06-25 | 2001-11-28 | 杨仕桐 | Spot welder head with pressure display |
| CN2476383Y (en) * | 2001-05-31 | 2002-02-13 | 杨仕桐 | Large operating distance spot electric welder |
-
2004
- 2004-05-14 CN CNB2004100271847A patent/CN1323795C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424505A (en) * | 1992-07-31 | 1995-06-13 | Hirotec Corporation | Spot welding machine |
| JPH0985460A (en) * | 1995-09-19 | 1997-03-31 | Toyota Motor Corp | Welding machine |
| CN2476383Y (en) * | 2001-05-31 | 2002-02-13 | 杨仕桐 | Large operating distance spot electric welder |
| CN1318449A (en) * | 2001-06-07 | 2001-10-24 | 杨仕桐 | Spot welder capable of welding lacquered wire directly |
| CN1323675A (en) * | 2001-06-25 | 2001-11-28 | 杨仕桐 | Spot welder head with pressure display |
Non-Patent Citations (1)
| Title |
|---|
| 焊接工程师手册 陈祝年，第500页，机械工业出版社 2002 * |
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| Publication number | Publication date |
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| CN1569379A (en) | 2005-01-26 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Micro Welding Equipment Co., Ltd. Assignor: Yang Shitong Contract fulfillment period: 2008.3.22 to 2013.3.22 Contract record no.: 2008440000095 Denomination of invention: Precise welding machine with long suspension arm Granted publication date: 20070704 License type: General permission Record date: 20080523 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.3.22 TO 2013.3.22 Name of requester: GUANGZHOU MICRO SPOT WELDING EQUIPMENT CO.,LTD. Effective date: 20080523 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Precise welding machine with long suspension arm Effective date of registration: 20100907 Granted publication date: 20070704 Pledgee: Industrial Commercial Bank of China Ltd Guangzhou Fangcun branch Pledgor: Yang Shitong Registration number: 2010990000870 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070704 Termination date: 20190514 |