CN106826008A - Pcb board welding bench - Google Patents

Pcb board welding bench Download PDF

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Publication number
CN106826008A
CN106826008A CN201611219292.3A CN201611219292A CN106826008A CN 106826008 A CN106826008 A CN 106826008A CN 201611219292 A CN201611219292 A CN 201611219292A CN 106826008 A CN106826008 A CN 106826008A
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CN
China
Prior art keywords
welding
cylinder
conduction rack
plate
returning face
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
CN201611219292.3A
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Chinese (zh)
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CN106826008B (en
Inventor
黄生燕
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.)
Chongqing Zhiyixin Electronic Technology Co Ltd
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Chongqing Zhiyixin Electronic 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.)
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Application filed by Chongqing Zhiyixin Electronic Technology Co Ltd filed Critical Chongqing Zhiyixin Electronic Technology Co Ltd
Priority to CN201611219292.3A priority Critical patent/CN106826008B/en
Publication of CN106826008A publication Critical patent/CN106826008A/en
Application granted granted Critical
Publication of CN106826008B publication Critical patent/CN106826008B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention discloses pcb board welding bench, including rectangular frame, it is connected to rectangular frame rotating shaft and the returning face plate for rotating around the axis;Matrix distribution has multiple welding holes on returning face plate;Returning face plate is provided with for fixing pcb board and covering the bandage of welding hole;The supporting table for supporting returning face plate is slidably connected in rectangular frame in the horizontal direction;It is slidable in the vertical direction being connected with welded plate in supporting table;Correspondence welding hole is provided with multiple welding units that can stretch into welding hole of matrix distribution on welded plate;Each welding unit includes the cylinder being arranged on welded plate, is arranged in cylinder and the conduction rack coaxial with cylinder and is arranged on cylinder top for blocking the flexible board of cylinder and conduction rack;Flexible board has the opening that flexible board is provided through on elastic and flexible plate;Conduction rack is hollow network structure, and the upper end of conduction rack is hemispherical for wrapping up crucial pad, and the lower end of conduction rack is the tubular structure connected with upper end.

Description

Pcb board welding bench
Technical field
The present invention relates to electronic technology field, and in particular to a kind of pcb board welding bench.
Background technology
Printed circuit board, i.e., the pcb board that we often say, is the carrier for carrying out various electronic component circuit connections. Present pcb board is typically all double-side copper-applying.Need the welder can to overturn for the ease of welding.Existing welder Including base plate, returning face plate, rotating shaft and strut, one end of base plate is provided with several base plate cylinders for protruding surface thereon;It is described Returning face plate is located at the upper end of base plate, and returning face plate one end is provided with several returning face plate cylinders;Returning face plate can be around returning face plate cylinder Center be flipped up;The rotating shaft runs through base plate cylinder and returning face plate cylinder;Rotating shaft and base plate cylinder are fitted close, rotating shaft with Returning face plate cylinder gap is connected;The strut is located at the both sides of device, when returning face plate and base plate are mutually perpendicular to state strut and Returning face plate and base thread are connected;When returning face plate horizontal positioned, strut is positioned in the concave station of base plate.
Although present this PCB welders can be reached to pcb board by the relative motion of returning face plate and base plate Upset, but cannot but detect whether the welding of each electronic component is accurate on pcb board.After one piece of pcb board has been welded, must The crucial pad on pcb board need be tested with universal meter, just can know that whether one piece of pcb board welds correctly.And it is right In being inferred to be likely to occur the situation of rosin joint or several pad adhesions, it is necessary to be welded with flatiron again.So grasp Make to get up cumbersome, be unfavorable for rapid welding and the detection of pcb board.Therefore, highly desirable one kind of developing can be examined now The welder whether each crucial pad welds accurately or can quickly correct welding mistake is measured, for reducing Weld the overall cost time of pcb board.
The content of the invention
The invention is intended to provide a kind of pcb board welding bench, cannot be detected on pcb board respectively with solving existing welder The welding of individual electronic component whether accurate problem.
To solve problem above, there is provided following scheme:
Scheme one:Pcb board welding bench in this programme, including rectangular frame, the rotating shaft and socket that are connected on rectangular frame In rotating shaft and the returning face plate that rotates around the axis;Matrix distribution has multiple welding holes on the returning face plate;Set on the returning face plate Have for each crucial pad on pcb board is fixed on into the bandage in welding hole;Slided in the horizontal direction in the rectangular frame The dynamic supporting table being connected with for supporting returning face plate;The welded plate being slidable in the vertical direction is provided with the supporting table;It is described Correspondence welding hole is provided with multiple welding units that can stretch into welding hole of matrix distribution on welded plate;Each welding unit includes setting The cylinder on welded plate is put, is arranged in cylinder and the conduction rack coaxial with cylinder and be arranged on cylinder top for blocking The flexible board of cylinder and conduction rack;There is the flexible board elastic and flexible plate to be provided with for for crucial pad through flexibility The opening of plate;The conduction rack is hollow network structure, and the upper end of conduction rack is hemispherical for wrapping up crucial pad Structure, the lower end of conduction rack is the tubular structure connected with upper end;Welded plate in cylinder is provided with microcontroller, the conduction Frame is electrically connected with the microcontroller;Relay is respectively connected between conduction rack and microcontroller in each welding unit;After Electrical equipment is corresponding to be connected with the LED for lighting to point out welding wrong being arranged on flexible board.
Operation principle:
Pcb board is placed on returning face plate and is welded.After being welded, pcb board is fixed on upset with the bandage on returning face plate On plate.To be used for supporting the supporting table of returning face plate to slide into position just to returning face plate, slide up and down the welded plate in supporting table, The welding unit on welded plate is set to extend into the welding hole on returning face plate.Because bandage tightens on returning face plate pcb board, make The crucial pad being welded on pcb board is all soldered hole and surrounds.When the welding unit on welded plate puts in welding hole, weldering Flexible board in order unit is contacted during motion upwards with raised crucial pad, and crucial pad passes through flexible board On opening entered into conduction rack through flexible board.Pcb board is in the presence of the downward power of bandage and the upward power of welded plate Abutted with conduction rack, the hemispherical dome structure of conduction rack upper end is just used for wrapping crucial pad and conductive with crucial pad Connection.Microcontroller passes through the base program for pre-setting, according to the position of each crucial pad on the pcb board for pre-entering Relay is sequentially communicated and disconnected with annexation, tests the different mutual test cases of crucial pad.When there is key When the abnormal conditions such as rosin joint or adhesion occurs in pad test case, microcontroller is made and relay by the relay for connecting The LED of device connection is lighted, and reminds the crucial pad of the operator corresponding welding position of block pcb board to there is mistake.
Beneficial effect:
1. directly to remind operator to weld herein with the LED being arranged on flexible board problematic for the present invention, removes pcb board energy Enough be clear from correspondence to go out is that crucial pad on which position Welding Problems occurs, is conducive to modification below to operate.
2. supporting table has not only acted as the effect of the pcb board on support returning face plate and returning face plate, also by supporting table The welded plate for sliding up and down serves the automatic detection effect to each crucial pad on pcb board.
3. when welding hole is stretched into, flexible board serves the effect for clamping crucial pad to welding unit, because flexible board With elasticity, during crucial pad is pierced into through opening downwards, flexible board wipes the weldering adhered on crucial pad off Scruff, plays cleaning action, is conducive to conduction rack below more accurately to receive and transmit the electric current come from the transmission of crucial pad Signal.
Scheme two:It is located on the welded plate and is connected with spring and can be along cylinder axis direction on cylinder axis position in turn Through the heating stylus of conduction rack;Magnet piece is connected with the heating stylus;The welded plate of each welding unit is provided with and micro-control The electromagnet of device connection processed, the heating stylus is electrically connected with microcontroller.
When microcontroller is detected there are Welding Problems in the crucial pad when, microcontroller is by being switched on or off electricity Magnet, makes electromagnet and magnet piece produce opposite magnetic, makes magnet piece promote heating stylus to extend upward through conduction rack, with conduction rack Interior crucial pad contact, carries out heating welding to crucial pad again.
Scheme three:The hair-dryer and induced-draught fan being connected with microcontroller respectively, the hair-dryer are provided with the cylinder With induced-draught fan respectively positioned at the both sides of conduction rack.
The scolding tin slag on crucial pad can be blown off by hair-dryer, and make the scolding tin of the crucial pad of new formation Ball rapid condensation is molded.The scolding tin slag that heating stylus is produced when welding again can be siphoned away by induced-draught fan, in cleaning cylinder The environment in portion.
Scheme four:Spool and buckling groove are provided with the top surface of the returning face plate;The bandage is connected on spool and can To be connected in buckling groove;The spool and the buckling groove are respectively positioned at the both sides of the rotating shaft.
Bandage is pulled out from spool to be connected in buckling groove, can be by the upper pcb board of returning face plate together with fixing each The welding hole of crucial pad is all covered, and in the case where supporting table fixes whole returning face plate, facilitates welding unit under Up being inserted into welding hole carries out associative operation.
Scheme five:The photo resistance being connected with microcontroller, the photosensitive electricity are provided with welded plate in the cylinder Hinder the light sent by receiving LED and start heating stylus and work of electromagnet.
In LED luminous alarm, when illustrating that the crucial pad of welding unit detection is problematic, photo resistance is by connecing Electric signal is converted light signals into after the light for receiving LED pass to microcontroller.Microcontroller turns on heating stylus and electromagnetism Iron, makes electromagnet produce magnetic that heating stylus is repelled into push away near key pad, heating stylus is generated heat and melts crucial pad original Some solder balls, and welded again using these solder balls.The present invention has been automatically performed to having using the alarm of LED Again the welding operation of the crucial pad of problem.
Scheme six:The photo resistance is located at the underface of the LED.
Photo resistance milli can be made, and the very first time receives the light that LED sends without being blocked, contributes to quick timely Ground is repaired by problematic crucial pad.
The conducting situation in the loop formed with crucial pad by each conduction rack is come automatic detection key pad Welding situation.Lighting situation and show the company of the crucial pad in the loop by the LED that is connected in each loop Connect exception.The abnormal prompt that LED sends can automatically be received by the photosensitive circuit in welding unit, and by microcontroller The corresponding electronic device such as heater circuit, electromagnet, induced-draught fan and hair-dryer is started working, be automatically performed to crucial pad Treatment again.
Luminous LED and photosensitive photosensitive circuit is all in an independent welding unit, each other by cylinder Barrel block independent of each other.Each welding unit is an absolute construction, can be simultaneously to all keys on pcb board Pad is detected and processed.Substantially reduce the number artificial detection welding situation one by one and then change the behaviour that instrument is welded again again Make the time.The present invention is automatically performed the whole process that welding, detection and maintenance are welded again, improves the pcb board welding degree of accuracy While saved the operating time.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of the welding unit of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Rectangular frame 1, rotating shaft 2, returning face plate 3, spool 4, buckling groove 5, supporting table 6, Handle 7, welded plate 8, flexible board 9, conduction rack 10, heating stylus 11, spring 12, electromagnet 13, hair-dryer 14, induced-draught fan 15, circle Cylinder 16, welding hole 17.
As shown in figure 1, pcb board welding bench, including rectangular frame 1, mortise-tenon joint two sides of the top surface of rectangular frame 1 it Between rotating shaft 2 and be socketed in rotating shaft 2 can 2 returning face plate 3 for rotating around the shaft;Wherein, rotating shaft 2 is located in returning face plate 3 In vertical line position.Matrix distribution has 36 welding holes of rectangular configuration 17 on returning face plate 3;It is located on the top surface of returning face plate 3 and is turned The leftward position of axle 2 is provided with two corresponding grooves with right positions.Spool 4 is rotatably connected in the groove in left side, can be with Five coaxial bandages side by side are separately pulled out from spool 4.The groove inner-use clapboard and shackle member on right side are mounted to five cards Access slot 5.Being provided with five free ends of bandage can be with the metal lump of the clamping of buckling groove 5.Bandage can be connected to spool 4 And buckling groove 5 between.
The need for can be according to welding and detection, select the bandage of diverse location that pcb board is fixed on returning face plate 3. It is left uncovered part and other operations such as can be used to weld pcb board, cleans.Meanwhile, bandage can be by pcb board It is pressed on the top of welding hole 17, it is convenient from the bottom of welding hole 17 into 17 pairs of pcb boards being pressed into welding hole 17 of welding hole On each crucial pad detected or again welding etc. operation.
Horizontal slide is provided between the top surface of rectangular frame 1 and bottom surface, two supporting tables 6 are slidably connected at this level cunning In road.And two top surfaces of supporting table 6 are in contact with the bottom surface of returning face plate 3, for withstanding returning face plate 3, to 3 branch of returning face plate Support, effect that is fixed, preventing its upset.Be easy to staff to hold recessed is installed on the outer position of the top surface of two supporting tables 6 The handle 7 of slot type, will not both destroy the apical side height of supporting table 6, facilitate staff to hold handle 7 again and slide in and out supporting table 6.
Four screw mandrels are vertically installed in each supporting table 6, being provided with four screw mandrels can be upper and lower along screw mandrel The screw rodb base of motion.The turn knob moved up and down for rotating regulation threaded rod is arranged on supporting table 6 and stretches out rectangular frame 1 On one side.Turn knob is arranged on welded plate 8.Welded plate 8 is connected with four screw rodb bases.Correspondence weldering on welded plate 8 Connect 36 welding units that can stretch into welding hole 17 that hole 17 is welded with matrix distribution.
As shown in Fig. 2 each welding unit include the cylinder 16 being arranged on welded plate 8, be arranged in cylinder 16 and with The coaxial conduction rack 10 of cylinder 16 and the top of cylinder 16 is arranged on for blocking the flexible board 9 of cylinder 16 and conduction rack 10;It is soft Property plate 9 is with elastic and transparent silica gel plate;The centre of flexible board 9 is provided with can be for crucial pad through flexible board 9 Linear pattern opening;Conduction rack 10 is hollow network structure, and the upper end of conduction rack 10 is hemisphere for wrapping up crucial pad Shape, the lower end of conduction rack 10 is the tubular structure connected with upper end;Because it is mostly spherical to weld the scolding tin node for producing, with The crucial pad that hemispheric conduction rack 10 comes on connecting PCB board can produce the bigger company of more firm and contact area with it Relation is connect, is conducive to detection below accurate and is pushed against crucial pad.
Groove is provided with welded plate 8, microcontroller and the photosensitive circuit, the heating that are connected with microcontroller are connected with groove Circuit and electromagnet 13.The spring 12 that is sequentially connected and can be along the axle of cylinder 16 is located in the axial location of cylinder 16 on welded plate 8 Heating stylus 11 of the line direction through conduction rack 10;Heating stylus 11 is connected by wire with heater circuit.Heating stylus 11 is wrapped with Columned magnet piece;The spring 12 of electromagnet 13, magnet piece, heating stylus 11 and connection heating stylus 11 is all located at conduction rack 10 The centre position of the tubular portion of lower end.Spring 12 is located in conduction rack 10 and along the stretching motion of conduction rack 10.Conduction rack 10 Relative to spring 12 and heating stylus 11, guide effect is served, heating stylus 11 is accurately touched crucial welding as soon as possible Point.
The hair-dryer 14 and induced-draught fan 15 being connected with microcontroller respectively are provided with welded plate 8 in cylinder 16, are dried Machine 14 and induced-draught fan 15 are respectively positioned at the both sides of conduction rack 10.Because conduction rack 10 is hollow network structure, by hair-dryer 14 can blow off the scolding tin slag on crucial pad, and be molded the solder ball rapid condensation of the crucial pad of new formation. The scolding tin slag that heating stylus 11 is produced when welding again can be siphoned away by induced-draught fan 15, the environment inside cleaning cylinder 16.
Microcontroller can be using conventional STM32F103 single-chip microcomputers.Photosensitive circuit is mainly one and connects with microcontroller The logical loop for having photo resistance.Heater circuit is mainly a loop for having resistive heater connected with microcontroller.Plus Hot water radiation wire is just arranged in heating stylus 11.Heating stylus 11 is a hollow copper shell.To be heated using the thermal conductive resin of copper The heat that resistance wire is produced quickly is delivered in the solder ball that crucial welding spot welding is formed, and crucial pad is welded again Connect.
Conduction rack 10 is a conductive metal net shaped frame structure, and conduction rack 10 is connected with microcontroller.Each is crucial The conduction rack 10 of pad is connected with relay between microcontroller;Each relay is corresponded to be connected with and is arranged on flexibility The LED for showing welding situation on plate 9;Microcontroller is by turning on different relays come the different pass of communication with detection Annexation between key pad.
According to the regulation of pcb board layout design, when a crucial welding node is when needing connection, with this key LED on the corresponding welding unit of welding node is connected with the normal open switch of relay, when relay is turned on, explanation The crucial welding node contact is good, and the LED connected with normal open switch is not lighted.Only when this crucial welding node is welded It is problematic, microcontroller is exporting electric signal and relay not in the circuit being connected with crucial welding node to relay Form loop and turn on, now LED is lighted, show abnormal welding herein.Photo resistance in photosensitive circuit receives LED Electric signal is converted to after the optical signal launched and passes to microcontroller, microcontroller connection heater circuit and electromagnet 13.Plus Hot water radiation wire produces heat, heats heating stylus 11, and electromagnet 13 produces the polarity opposite with magnet piece by magnet piece and heating Pin 11 is pushed in the solder ball of the joint pad formation offseted with conduction rack 10.Heating stylus 11 melts scolding tin and using these welderings Tin welds crucial pad again.After the completion of welding, microcontroller according to the weld interval for pre-setting, disconnect heater circuit and Electromagnet 13.Electromagnet 13 loses magnetism no longer to repel and promotes magnet piece.Heating stylus 11 and magnet piece are connected with heating stylus 11 Spring 12 be withdrawn on welded plate 8.Microcontroller connects hair-dryer 14 and induced-draught fan according to delay command set in advance 15, the scolding tin slag for producing will be welded blow off and pcb board and be siphoned away by induced-draught fan 15.
When crucial welding node is when needing not connect to disconnect, weldering corresponding with this crucial welding node LED in order unit connect with the normally closed switch of relay, when relay and the loop of crucial pad formation turn on Wait, illustrate that the crucial welding node has the situation of adhesion, the LED connected with normally closed switch is lighted.Photo resistance is received Optical signal is simultaneously converted to the microcontroller during electric signal passes to this welding unit, and microcontroller output electric signal makes hair-dryer 14th, induced-draught fan 15, electromagnet 13 and heater circuit work, electromagnet 13 produces repulsive force to shift heating station onto crucial pad Place, heating stylus 11 is heated the solder ball of crucial pad formation and is melted, and hair-dryer 14 melts scolding tin in heating stylus 11 During liquefied scolding tin is blown away, induced-draught fan 15 will gradually condense blocking scolding tin waste residue and siphon away.Complete crucial pad Scolding tin cleaning after, microcontroller according to the delay command for pre-setting make hair-dryer 14, induced-draught fan 15, electromagnet 13 and plus Heater circuit is stopped.Heating stylus 11 retracts original position by spring 12.
Wherein, just it is arranged on the center of turn knob for starting the switch of loop works where microcontroller. The screw mandrel and threaded rod being connected with turn knob are all hollow structures, the wire that is connected with microcontroller of switch just pass through screw mandrel and The hollow pipeline that screwed pipe is formed enters walking line.
Microcontroller used herein is conventional single-chip microcomputer STM32, wherein the such as delay command for using, conducting and The order such as disconnection is all disclosure of that on its technical manual, is the means that those skilled in the art commonly use.Except STM32, There can also be any control chip of these functions using other.
The welding method of pcb board welding bench, comprises the following steps:
Step one, the position with the either flush of rectangular frame 1 is turned to around rotating shaft 2 by returning face plate 3;The level of supporting table 6 is slided Enter the inner support of rectangular frame 1 firmly returning face plate 3;The welding hole 17 on welding unit and returning face plate 3 in alignment support platform 6;
Step 2, pcb board is placed on returning face plate 3, and pcb board is welded;
Step 3, pulls out bandage and is covered on pcb board and by bandage after the completion of pcb board welding, in the spool 4 from returning face plate 3 Free end insertion buckling groove 5 in clamping;
Step 4, rotates turn knob, and the welding unit on welded plate 8 is extend into welding hole 17 by upward sliding welded plate 8 In, the hemisphere portion of the upper end of conduction rack 10 key pad corresponding with pcb board is pushed against;
Step 5, opening is arranged on the switch in the middle of turn knob, is arranged on the microcontroller on welded plate 8 by turning on therewith The relay of connection to be connected with each the crucial pad formation loop on pcb board;
The microcontroller being arranged on welded plate 8 detects crucial pad by the relay that conducting is connected with crucial pad Welding it is whether correct;
Step 6, the conducting situation in the loop formed with crucial pad according to step 5 repeat circuit, is connected with relay The LED being arranged on flexible board 9 is shown by lighting and is welded to connect exception;
Step 7, the photosensitive circuit being arranged in welding unit receives the optical signal that LED sends and converts optical signals to Electric signal is delivered to microcontroller, and microcontroller connects the He of heating stylus 11 being arranged in welding unit by another relay Electromagnet 13;
Step 8, the conducting of electromagnet 13 produces the magnetic opposite with the magnet piece connected in heating stylus 11, and heating stylus 11 is inserted upwards Enter in crucial pad, heating stylus 11 is heated crucial pad and crucial pad is welded again.
Wherein, in step 8, if welding unit is corresponding when being the crucial pad that connect, microcontroller exists Receive when the electric signal for coming is transmitted in photo resistance and simultaneously turn on hair-dryer 14 and induced-draught fan 15.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme Excessive description, technical field that the present invention belongs to is all of before one skilled in the art know the applying date or priority date Ordinary technical knowledge, can know all of prior art in the field, and with normal experiment hand before the application date The ability of section, under the enlightenment that one skilled in the art can be given in the application, improves and implements with reference to self-ability This programme, some typical known features or known method should not implement the application as one skilled in the art Obstacle.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can also make Go out some deformations and improvement, these should also be considered as protection scope of the present invention, these effects implemented all without the influence present invention Fruit and practical applicability.This application claims protection domain should be defined by the content of its claim, the tool in specification Body implementation method etc. records the content that can be used for explaining claim.

Claims (6)

1.PCB plate weld platforms, it is characterised in that:Including rectangular frame, the rotating shaft being connected on rectangular frame and be socketed in turn On axle and the returning face plate that rotates around the axis;Matrix distribution has multiple welding holes on the returning face plate;The returning face plate is provided with use Each crucial pad on pcb board is fixed on the bandage in welding hole;Slip connects in the horizontal direction in the rectangular frame It is connected to the supporting table for supporting returning face plate;The welded plate being slidable in the vertical direction is provided with the supporting table;The welding Correspondence welding hole is provided with multiple welding units that can stretch into welding hole of matrix distribution on plate;Each welding unit includes being arranged on Cylinder on welded plate, it is arranged in cylinder and the conduction rack coaxial with cylinder and is arranged on cylinder top for blocking cylinder With the flexible board of conduction rack;There is the flexible board elastic and flexible plate to be provided with for for crucial pad through flexible board Opening;The conduction rack is hollow network structure, and the upper end of conduction rack is hemispherical dome structure for wrapping up crucial pad, The lower end of conduction rack is the tubular structure connected with upper end;Welded plate in cylinder is provided with microcontroller, the conduction rack with The microcontroller electrical connection;Relay is respectively connected between conduction rack and microcontroller in each welding unit;Relay It is corresponding to be connected with the LED for lighting to point out welding wrong being arranged on flexible board.
2. pcb board welding bench according to claim 1, it is characterised in that:Cylinder axis position is located on the welded plate On be connected with turn spring and can along cylinder axis direction through conduction rack heating stylus;Magnet is connected with the heating stylus Block;The welded plate of each welding unit is provided with the electromagnet being connected with microcontroller, and the heating stylus is electrically connected with microcontroller Connect.
3. pcb board welding bench according to claim 1, it is characterised in that:Be provided with the cylinder respectively with microcontroller The hair-dryer and induced-draught fan of device connection, the hair-dryer and induced-draught fan are respectively positioned at the both sides of conduction rack.
4. pcb board welding bench according to claim 1, it is characterised in that:Spool is provided with the top surface of the returning face plate And buckling groove;The bandage is connected on spool and can be connected in buckling groove;The spool and buckling groove difference position In the both sides of the rotating shaft.
5. pcb board welding bench according to claim 2, it is characterised in that:Be provided with welded plate in the cylinder with The photo resistance of microcontroller connection, the photo resistance starts heating stylus and electromagnet by receiving the light that LED sends Work.
6. pcb board welding bench according to claim 5, it is characterised in that:The photo resistance is being located at the LED just Lower section.
CN201611219292.3A 2016-12-26 2016-12-26 Pcb board welding bench Expired - Fee Related CN106826008B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611219292.3A CN106826008B (en) 2016-12-26 2016-12-26 Pcb board welding bench

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Application Number Priority Date Filing Date Title
CN201611219292.3A CN106826008B (en) 2016-12-26 2016-12-26 Pcb board welding bench

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CN106826008A true CN106826008A (en) 2017-06-13
CN106826008B CN106826008B (en) 2018-06-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113438814A (en) * 2021-06-23 2021-09-24 南京德志达电子科技有限公司 Convertible PCB board processing equipment

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US6047875A (en) * 1995-09-20 2000-04-11 Unitek Miyachi Coporation Reflow soldering self-aligning fixture
CN203197506U (en) * 2013-04-25 2013-09-18 深圳市斯普雷博科技有限公司 Multifunctional fixture for electronic PCB
CN204277324U (en) * 2014-11-25 2015-04-22 北京华环电子设备有限公司 PCB abnormity welding tooling
CN204524492U (en) * 2015-03-03 2015-08-05 大族激光科技产业集团股份有限公司 Pcb board fixture for laser welding
CN205622992U (en) * 2016-05-26 2016-10-05 苏州市三生电子有限公司 Clamping device of PCB board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113438814A (en) * 2021-06-23 2021-09-24 南京德志达电子科技有限公司 Convertible PCB board processing equipment

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