CN107617816A - Soft board pulse thermal compression welding method - Google Patents

Soft board pulse thermal compression welding method Download PDF

Info

Publication number
CN107617816A
CN107617816A CN201711044334.9A CN201711044334A CN107617816A CN 107617816 A CN107617816 A CN 107617816A CN 201711044334 A CN201711044334 A CN 201711044334A CN 107617816 A CN107617816 A CN 107617816A
Authority
CN
China
Prior art keywords
pcb board
welding
fpc plates
fpc
board
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.)
Granted
Application number
CN201711044334.9A
Other languages
Chinese (zh)
Other versions
CN107617816B (en
Inventor
黄廷福
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.)
Shenzhen Ruibo Technology Co Ltd
Original Assignee
Shenzhen Ruibo Technology 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 Shenzhen Ruibo Technology Co Ltd filed Critical Shenzhen Ruibo Technology Co Ltd
Priority to CN201711044334.9A priority Critical patent/CN107617816B/en
Publication of CN107617816A publication Critical patent/CN107617816A/en
Application granted granted Critical
Publication of CN107617816B publication Critical patent/CN107617816B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

The present invention discloses a kind of soft board pulse thermal compression welding method, including:Pre-treatment step, prepare a FPC plates and a pcb board to be processed;Fixing step, FPC plates and pcb board, and the top for making pcb board be located at FPC are fixed respectively;Calibration steps, calibrates the position of FPC plates and pcb board, and FPC plates is abutted with pcb board, wherein, the welding foot part of the FPC plates stretches out pcb board and bends the pad close to pcb board;Welding step, the welding foot that pcb board is partly stretched out in FPC plates is connected on the pad of pcb board by pulse thermocompression bonding using plumb joint;Cooling step, FPC plates and pcb board after cooling welding, obtains finished product.The welding parameter of technical scheme is stable, and the FPC plates after welding are more smooth, without dragging tin and tin point to produce, has preferable welding stability compared to human weld, and can improve welding efficiency.

Description

Soft board pulse thermal compression welding method
Technical field
The present invention relates to soft board welding technology field, more particularly to a kind of soft board pulse thermal compression welding method.
Background technology
At present, in soft board welding technique, because part comparison is fragile, and part fixes the factors such as inconvenience, adopts mostly The mode welded by hand carries out operation.And conventional human weld is often limited to tin amount, tin point height, flatiron temperature etc. Tin point problem is caused to influence quality.Specifically, differing because worker welds control time, overlong time easily scorches damage FPC, the time is too short, rosin joint easily occurs, plus welding tin amount disunity, and easily occur being uneven and occur tin point The problems such as, govern the quality of production and production efficiency of product.
In view of this, it is necessary to which current soft board thermal compression welding technology is further improved for proposition.
The content of the invention
To solve an above-mentioned at least technical problem, the main object of the present invention is to provide a kind of soft board pulse thermal compression welding side Method.
To achieve the above object, one aspect of the present invention is:A kind of soft board pulse thermal compression welding side is provided Method, methods described include:
Pre-treatment step, prepare a FPC plates and a pcb board to be processed, wherein, the FPC plates are formed with welding foot, institute The hole position of pcb board can partly be stretched out formed with hole position, the welding foot by stating pcb board;
Fixing step, FPC plates and pcb board, and the top for making pcb board be located at FPC are fixed respectively;
Calibration steps, calibrates the position of FPC plates and pcb board, and FPC plates is abutted with pcb board, wherein, the FPC plates Welding foot part stretches out pcb board and bends the pad close to pcb board;
Welding step, the welding foot that pcb board is partly stretched out in FPC plates is connected on by pulse thermocompression bonding using plumb joint On the pad of pcb board;
Cooling step, FPC plates and pcb board after cooling welding, obtains finished product.
Wherein, the fixing step, is specifically included:
FPC plates are fixed using FPC plates stationary fixture, pcb board are fixed using pcb board stationary fixture, by the FPC plates after fixation And pcb board is put into mould, wherein, the FPC plates stationary fixture is located at the top of pcb board stationary fixture.
Wherein, the calibration steps, is specifically included:
FPC plates and pcb board are individually fixed in fine adjustment stage, adjusted respectively by the servomotor in fine adjustment stage The horizontal level of FPC plates stationary fixture and pcb board stationary fixture, to calibrate FPC plates and pcb board.
Wherein, the plumb joint is alloy thermal head,
Also include before the step of welding step:
Preheating step, control pulse to carry out the pre-heat treatment to alloy thermal head using PLC, alloy thermal head is preheated to Welding job temperature.
Wherein, also include after the preheating step:
Alloy thermal head aligns step, specifically includes,
Utilize the real time position of camera collection alloy thermal head movement;
The real time position of alloy thermal head is projeced on display screen, and welding post is preset with display screen;
Alloy thermal head is moved to welding post.
Wherein, the real time position by alloy thermal head is projeced into before the step on display screen, in addition to:
Amplify the coordinate of the real time position of alloy thermal head movement.
Wherein, the hot pressing temperature of alloy thermal head is 410-450 DEG C, hot pressing time 8-12S in the welding step, heat It is 0.2-0.5MPA to calm the anger.
Wherein, in the welding step between the welding foot of FPC plates and the pad of pcb board formed with solder joint, the solder joint Height be 0.2-0.3mm.
Wherein, the chilling temperature of FPC plates and pcb board is 140-160 DEG C in the cooling step, makes welding fusion in PCB On the pad of plate.
Technical scheme includes pre-treatment step, fixing step, calibration steps, welding step and cooling step, Calibrated FPC plates and pcb board are welded in a manner of pulse thermal compression welding by using plumb joint, compared to manual welding, weldering Termination process need not add tin, and hot pressing time, pressure, hot pressing temperature are stable, and the FPC plates after welding are more smooth, and nothing drags tin and tin Point produces, and has preferable welding stability compared to human weld, and can improve welding efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 shows the method flow diagram of one embodiment of the invention soft board pulse thermal compression welding method;
Fig. 2 shows the method block diagram of another embodiment of the present invention soft board pulse thermal compression welding method.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention be only used for describe purpose, and it is not intended that Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the guarantor of application claims Within the scope of shield.
Fig. 1 shows the method flow diagram of one embodiment of the invention soft board pulse thermal compression welding method;Fig. 1 is refer to, In the embodiment of the present invention, the soft board pulse thermal compression welding method, specifically include:
Step S10, pre-treatment step, prepare a FPC plates and a pcb board to be processed, wherein, the FPC plates formed with Welding foot, the pcb board can partly stretch out the hole position of pcb board formed with hole position, the welding foot;The FPC plates are flexible circuit Plate, three sides of FPC plates are respectively formed with least two welding foots, and welding foot has preferably around folding endurance.
Step S20, fixing step, FPC plates and pcb board, and the top for making pcb board be located at FPC are fixed respectively;The fixation walks Suddenly specifically, fixing FPC plates using FPC plates stationary fixture, pcb board is fixed using pcb board stationary fixture, by the FPC after fixation Plate and pcb board are put into mould, wherein, the FPC plates stationary fixture is located at the top of pcb board stationary fixture.In this way, welding When can front by the direct hot pressing of welding foot on pcb board, convenient welding.
Step S30, calibration steps, calibrates the position of FPC plates and pcb board, and FPC plates is abutted with pcb board, wherein, institute The welding foot part for stating FPC plates stretches out pcb board and bends the pad close to pcb board;The calibration steps, specifically, by FPC plates And pcb board is individually fixed in fine adjustment stage, by the servomotor in fine adjustment stage adjust respectively FPC plates stationary fixture and The horizontal level of pcb board stationary fixture, to calibrate FPC plates and pcb board.Servomotor control easy to remove, it is mobile stable, can be with Welding efficiency is improved, avoids pressure inclined.
Step S40, welding step, the welding foot that pcb board is partly stretched out in FPC plates is passed through into pulse hot pressing using plumb joint It is welded on the pad of pcb board;Wherein, the hot pressing temperature of alloy thermal head is 410-450 DEG C in the welding step, during hot pressing Between be 8-12S, hot pressing air pressure is 0.2-0.5MPA.Preferably, hot pressing temperature is 410 DEG C, 420 DEG C, 430 DEG C, 440 DEG C and 450 ℃.Hot pressing time is preferably 8S, 10S, 12S, and hot pressing air pressure is 0.2MPA, 0.3MPA and 0.5MPA.The parameter of whole hot pressing compared with It is stable, it is easy to control.Wherein, in the welding step between the welding foot of FPC plates and the pad of pcb board formed with solder joint, institute The height for stating solder joint is 0.2-0.3mm.The height of solder joint only has 0.2-0.3mm, and solder joint height is small so that the welding of FPC plates is put down Whole degree is preferable, is suitable for applying in the welding structure in precision gap welding end and by tin point height limitation.Plumb joint is located at hot pressing In bonding machine, the quantity of plumb joint has multiple, can realize simultaneously while the welding at multiple positions.
Step S50, cooling step, FPC plates and pcb board after cooling welding, obtains finished product.Wherein, the cooling step The chilling temperature of middle FPC plates and pcb board is 140-160 DEG C, makes welding fusion on the pad of pcb board.The preferable temperature of cooling For 140 DEG C, 150 DEG C and 160 DEG C, by selecting the chilling temperature that welding fusion can be made to be advantageous to drop on the pad of pcb board Low electric welding height.
Technical scheme includes pre-treatment step, fixing step, calibration steps, welding step and cooling step, Calibrated FPC plates and pcb board are welded in a manner of pulse thermal compression welding by using plumb joint, compared to manual welding, weldering Termination process need not add tin, and hot pressing time, pressure, hot pressing temperature are stable, and the FPC plates after welding are more smooth, and nothing drags tin and tin Point produces, and has preferable welding stability compared to human weld, and can improve welding efficiency.
Fig. 2 shows the method block diagram of another embodiment of the present invention soft board pulse thermal compression welding method;It refer to Fig. 2, In a specific embodiment, the plumb joint is alloy thermal head,
Also include before the step of welding step:
Step S31, preheating step, pulse is controlled to carry out the pre-heat treatment to alloy thermal head using PLC, by alloy hot pressing Head is preheated to welding job temperature.By shifting to an earlier date pre- thermalloy thermal head, the heat time can be shortened, be advantageous to improve Welder Make efficiency.
In one embodiment, also include after the preheating step:
Step S32, alloy thermal head contraposition step, is specifically included,
Utilize the real time position of camera collection alloy thermal head movement;
The real time position of alloy thermal head is projeced on display screen, and welding post is preset with display screen;
Alloy thermal head is moved to welding post.
In the present embodiment, the real time position of alloy thermal head movement is gathered by camera or camera system, is then projected In on display screen, the display screen can be colorful display screen, be easy to differentiate, and guarantee product is clear, accurate contraposition.
Preferably, the real time position by alloy thermal head is projeced into before the step on display screen, in addition to:
Amplify the coordinate of the real time position of alloy thermal head movement.
The coordinate of the real time position moved by amplifying big alloy thermal head, more clearly can be shown on display screen. In addition, in this programme, warning message can also be sent, when machine occurs abnormal to remind the attention of staff.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in the scope of patent protection of the present invention.

Claims (9)

  1. A kind of 1. soft board pulse thermal compression welding method, it is characterised in that methods described includes:
    Pre-treatment step, prepare a FPC plates and a pcb board to be processed, wherein, the FPC plates are described formed with welding foot Pcb board can partly stretch out the hole position of pcb board formed with hole position, the welding foot;
    Fixing step, FPC plates and pcb board, and the top for making pcb board be located at FPC are fixed respectively;
    Calibration steps, calibrates the position of FPC plates and pcb board, and FPC plates is abutted with pcb board, wherein, the welding of the FPC plates Pin part stretches out pcb board and bends the pad close to pcb board;
    Welding step, the welding foot that pcb board is partly stretched out in FPC plates is connected on pcb board by pulse thermocompression bonding using plumb joint Pad on;
    Cooling step, FPC plates and pcb board after cooling welding, obtains finished product.
  2. 2. soft board pulse thermal compression welding method as claimed in claim 1, it is characterised in that the fixing step, specifically include:
    Fix FPC plates using FPC plates stationary fixture, pcb board fixed using pcb board stationary fixture, by the FPC plates after fixation and Pcb board is put into mould, wherein, the FPC plates stationary fixture is located at the top of pcb board stationary fixture.
  3. 3. soft board pulse thermal compression welding method as claimed in claim 2, it is characterised in that the calibration steps, specifically include:
    FPC plates and pcb board are individually fixed in fine adjustment stage, FPC plates are adjusted by the servomotor in fine adjustment stage respectively The horizontal level of stationary fixture and pcb board stationary fixture, to calibrate FPC plates and pcb board.
  4. 4. soft board pulse thermal compression welding method as claimed in claim 1, it is characterised in that the plumb joint is alloy hot pressing Head,
    Also include before the step of welding step:
    Preheating step, control pulse to carry out the pre-heat treatment to alloy thermal head using PLC, alloy thermal head is preheated to welding Operating temperature.
  5. 5. soft board pulse thermal compression welding method as claimed in claim 4, it is characterised in that also wrapped after the preheating step Include:
    Alloy thermal head aligns step, specifically includes,
    Utilize the real time position of camera collection alloy thermal head movement;
    The real time position of alloy thermal head is projeced on display screen, and welding post is preset with display screen;
    Alloy thermal head is moved to welding post.
  6. 6. soft board pulse thermal compression welding method as claimed in claim 5, it is characterised in that described by the real-time of alloy thermal head Position is projeced into before the step on display screen, in addition to:
    Amplify the coordinate of the real time position of alloy thermal head movement.
  7. 7. soft board pulse thermal compression welding method as claimed in claim 1, it is characterised in that alloy hot pressing in the welding step The hot pressing temperature of head is 410-450 DEG C, hot pressing time 8-12S, and hot pressing air pressure is 0.2-0.5MPA.
  8. 8. soft board pulse thermal compression welding method as claimed in claim 1, it is characterised in that FPC plates in the welding step Formed with solder joint between welding foot and the pad of pcb board, the height of the solder joint is 0.2-0.3mm.
  9. 9. soft board pulse thermal compression welding method as claimed in claim 1, it is characterised in that in the cooling step FPC plates with The chilling temperature of pcb board is 140-160 DEG C, makes welding fusion on the pad of pcb board.
CN201711044334.9A 2017-10-31 2017-10-31 Soft board pulse hot-press welding method Expired - Fee Related CN107617816B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711044334.9A CN107617816B (en) 2017-10-31 2017-10-31 Soft board pulse hot-press welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711044334.9A CN107617816B (en) 2017-10-31 2017-10-31 Soft board pulse hot-press welding method

Publications (2)

Publication Number Publication Date
CN107617816A true CN107617816A (en) 2018-01-23
CN107617816B CN107617816B (en) 2020-04-07

Family

ID=61092479

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711044334.9A Expired - Fee Related CN107617816B (en) 2017-10-31 2017-10-31 Soft board pulse hot-press welding method

Country Status (1)

Country Link
CN (1) CN107617816B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560992A (en) * 2019-08-05 2019-12-13 武汉光迅科技股份有限公司 device and method for automatic material taking, alignment and positioning of FPC
CN111299800A (en) * 2020-04-10 2020-06-19 惠州市西文思实业有限公司 Pressure welding device
CN111715991A (en) * 2020-06-28 2020-09-29 上海创功通讯技术有限公司 Isolated welding device and method
CN114850648A (en) * 2022-04-25 2022-08-05 东莞先导先进科技有限公司 Method for welding semiconductor metal packaging optical lens based on pulse hot pressing
CN115502539A (en) * 2022-09-29 2022-12-23 江西盛泰精密光学有限公司 Method for assembling endoscope assembly

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001222237A (en) * 2000-02-07 2001-08-17 Kyocera Corp Display device and its manufacturing method
CN1347275A (en) * 2000-10-10 2002-05-01 明棋电通股份有限公司 Soldering method between golden fingers on PCB and pins of flexible printed circuit
CN1787727A (en) * 2004-12-09 2006-06-14 比亚迪股份有限公司 Flexible printed circuit board and method for connecting printed circuit board thereof
CN1805219A (en) * 2005-01-12 2006-07-19 华为技术有限公司 Connecting apparatus
CN1937890A (en) * 2005-09-19 2007-03-28 金像电子股份有限公司 Method for manufacturing soft-hard composite board
CN101702870A (en) * 2009-11-16 2010-05-05 深圳华为通信技术有限公司 Interconnection method of flexible board and rigid board and system
CN104780721A (en) * 2015-04-13 2015-07-15 惠州Tcl移动通信有限公司 Flexible connection method for PCBs (printed circuit boards) as well as PCB assembly
CN106695107A (en) * 2017-01-19 2017-05-24 深圳天邦达科技有限公司 Lithium battery control module thermal compression welding method and lithium battery control module obtained after welding
CN206575669U (en) * 2017-03-16 2017-10-20 昆山龙腾光电有限公司 Circuit board assemblies

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001222237A (en) * 2000-02-07 2001-08-17 Kyocera Corp Display device and its manufacturing method
CN1347275A (en) * 2000-10-10 2002-05-01 明棋电通股份有限公司 Soldering method between golden fingers on PCB and pins of flexible printed circuit
CN1787727A (en) * 2004-12-09 2006-06-14 比亚迪股份有限公司 Flexible printed circuit board and method for connecting printed circuit board thereof
CN1805219A (en) * 2005-01-12 2006-07-19 华为技术有限公司 Connecting apparatus
CN1937890A (en) * 2005-09-19 2007-03-28 金像电子股份有限公司 Method for manufacturing soft-hard composite board
CN101702870A (en) * 2009-11-16 2010-05-05 深圳华为通信技术有限公司 Interconnection method of flexible board and rigid board and system
CN104780721A (en) * 2015-04-13 2015-07-15 惠州Tcl移动通信有限公司 Flexible connection method for PCBs (printed circuit boards) as well as PCB assembly
CN106695107A (en) * 2017-01-19 2017-05-24 深圳天邦达科技有限公司 Lithium battery control module thermal compression welding method and lithium battery control module obtained after welding
CN206575669U (en) * 2017-03-16 2017-10-20 昆山龙腾光电有限公司 Circuit board assemblies

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560992A (en) * 2019-08-05 2019-12-13 武汉光迅科技股份有限公司 device and method for automatic material taking, alignment and positioning of FPC
CN110560992B (en) * 2019-08-05 2021-08-03 武汉光迅科技股份有限公司 Device and method for automatic material taking, alignment and positioning of FPC
CN111299800A (en) * 2020-04-10 2020-06-19 惠州市西文思实业有限公司 Pressure welding device
CN111299800B (en) * 2020-04-10 2022-03-01 惠州西文思技术股份有限公司 Pressure welding device
CN111715991A (en) * 2020-06-28 2020-09-29 上海创功通讯技术有限公司 Isolated welding device and method
CN114850648A (en) * 2022-04-25 2022-08-05 东莞先导先进科技有限公司 Method for welding semiconductor metal packaging optical lens based on pulse hot pressing
CN114850648B (en) * 2022-04-25 2024-03-26 东莞先导先进科技有限公司 Method for welding semiconductor metal packaging optical lens based on pulse hot pressing
CN115502539A (en) * 2022-09-29 2022-12-23 江西盛泰精密光学有限公司 Method for assembling endoscope assembly
CN115502539B (en) * 2022-09-29 2024-05-28 江西盛泰精密光学有限公司 Endoscope assembly method

Also Published As

Publication number Publication date
CN107617816B (en) 2020-04-07

Similar Documents

Publication Publication Date Title
CN107617816A (en) Soft board pulse thermal compression welding method
CN103990882B (en) A kind of apparatus and method antenna terminal is welded on vehicle glass
CN103406667A (en) Laser welding method of stainless steel sheet fillet weld and clamp thereof
CN105057873A (en) Method for preparing CuW/Cu/CuCrZr integrated contact through electron beam welding
CN102909479B (en) Square long girder steel welding method
CN108581110A (en) Prepare the circuit assembly welding method of high pressure welding point
CN205888316U (en) Silver contact high -frequency induction brazing temperature feedback control system
CN206677442U (en) A kind of welding fixture
CN104908503A (en) Standard method for knitting peacock by use of pure silver wires
CN108296589A (en) A kind of hot-pressing welding head hoisting type tin soldering equipment and its soldering tin technique again
CN212239515U (en) Constant-temperature tin soldering system between metal pieces
CN203426558U (en) High-precision pulse heating reflow soldering equipment
CN205629689U (en) Welding set for producing electronic part
CN108620702A (en) A kind of surface mount Welding Method & Equipment
CN215880249U (en) Induction welding device for coaxial cable assembly
CN201389704Y (en) Automatic brazing control device for brazing furnace
CN204974825U (en) Inboard apposition of two jack of steel construction cross post is corrected control and is warp device
CN206662524U (en) Automobile camera head shielding case mash welder
CN203592236U (en) Laser welding clamp of stainless steel sheet fillet weld
CN211763567U (en) Ceiling plastic frame and fabric base material welding device
CN208961197U (en) Prevent the welder of steam head plate welding deformation
CN102514195A (en) Production technology of automobile door protection panel
CN210996949U (en) Electric discharge machine electrode clamping correction system
CN103008860A (en) Capacitor welding machine and welding method
CN209094947U (en) A kind of copper litz wire automatic shearing welding equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200407

CF01 Termination of patent right due to non-payment of annual fee