CN102036504A - Tool for production process of PCB and integrated fixing method - Google Patents
Tool for production process of PCB and integrated fixing method Download PDFInfo
- Publication number
- CN102036504A CN102036504A CN 201010619926 CN201010619926A CN102036504A CN 102036504 A CN102036504 A CN 102036504A CN 201010619926 CN201010619926 CN 201010619926 CN 201010619926 A CN201010619926 A CN 201010619926A CN 102036504 A CN102036504 A CN 102036504A
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- pcb
- pcb board
- anchor clamps
- pallet
- clinching
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Abstract
The embodiment of the invention discloses a tool for the production process of a printed circuit board (PCB) and an integrated fixing method, which are used for the integrated fixing operation of the PCB in surface mounted technology (SMT). The device in the embodiment of the invention comprises a tray and at least one fixture, wherein a positioning groove is formed on the surface of the tray, and the maximum profile shape of the positioning groove is matched with the appearance of the PCB which needs positioning; and the fixture is arranged on the tray, positioned on the outer edge of the positioning groove and used for fixing the PCB. The embodiment of the invention also relates to a using method of the tool. Therefore, the PCB can be effectively prevented from being deformed when processed, and the reliability of a welding spot is improved.
Description
Technical field
The present invention relates to the Machining Technology field, relate in particular to a kind of frock of pcb board production technology and method of integrated frock of being used for.
Background technology
In field of machining, surface installation technique (SMT, Surface Mounted Technology) is a kind of technology of using always, be a kind of at printed circuit board (PCB, the combination technique of the encapsulation printed circuit board (PCB) that welds with electronic building brick Printed Circuit Board) is popular a kind of technology and a technology in the present electronics assembling industry.
The SMT process engineering mainly contains three big basic operational steps: print, mount, weld.Concrete step comprises that printing, paster, stokehold automated optical detect (AOI, Auto Optic Inspection), AOI behind backflow, the stove, wherein, printing is meant paste solder printing, tin cream is bitten on the pad of PCB, prepare for the welding of components and parts, used equipment is printing machine, is positioned at the SMT production line foremost.Paster is that the surface-assembled components and parts accurately are installed on the fixed position of PCB, and used equipment is chip mounter.Stokehold AOI mainly is in order to detect the assembly quality of surface-assembled components and parts.Backflow is that the tin cream in the printing process is melted, and makes surface-assembled components and parts and pcb board strong bond together, and device therefor is a reflow soldering, and AOI mainly is in order to detect the welding quality of surface-assembled components and parts behind the stove.
But in the prior art,, can't guarantee the veneer problem on deformation because the layout comparatively dense of the surface element device of pcb board makes in printing operation.When reflux operation, because the skewness of thermal capacity on pcb board may produce localized heat stress, make the position of pcb board be offset, reduce the reliability of solder joint.Easy generation is slightly rocked in the time of will doing transmitting moving on the guide rail of AOI equipment owing to pcb board again, makes AOI detect the solder joint failure, also will reduce the reliability of solder joint.
Summary of the invention
The embodiment of the invention provides a kind of frock of pcb board production technology and method of integrated frock of being used for, and is used for pcb board and prevents distortion and improve welding spot reliability in the frock process.
Embodiment of the invention device comprises: pallet and at least one anchor clamps; Have location notch on the card of pallet, the largest contours shape of location notch is suitable with the profile of the printing board PCB plate that needs the location; Anchor clamps are installed on the pallet, are positioned at the outer ledge of location notch, are used for fixing pcb board.
The method of the embodiment of the invention comprises: pcb board is placed in the pcb board location notch of pallet; The side of the gland of the PCB clinching of use anchor clamps clamps pcb board, and pcb board is carried out printing operation; After printing operation was finished, rolling clamp was hidden in the hiding groove of correspondence of pallet the gland of anchor clamps, and pcb board is carried out the paster operation; After the paster operation was finished, rolling clamp made the gland of PCB clinching be pressed on the pcb board, and pcb board is carried out reflux operation and the operation of automated optical detecting operation.
As can be seen from the above technical solutions, the embodiment of the invention has the following advantages:
Utilization has the pcb board of the pallet carrying needs processing of pcb board location notch, can heat be evenly distributed on the pcb board by pallet, effectively prevent the pcb board distortion, utilize fixedly pcb board of the anchor clamps installed on the pallet simultaneously, make that pcb board will be in stationary state in reflux operation and AOI detecting operation, skew that can occurrence positions has improved the reliability of solder joint.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is an a kind of schematic diagram that is used for the frock of pcb board production technology in the embodiment of the invention;
Fig. 2 is a kind of another schematic diagram that is used for the frock of pcb board production technology in the embodiment of the invention;
Fig. 3 takes a schematic diagram of each several part afterwards apart for anchor clamps in the embodiment of the invention;
Fig. 4 is the schematic diagram of anchor clamps in the embodiment of the invention;
Fig. 5 is a schematic diagram of a kind of cross section of the frock that is used for the pcb board production technology in the embodiment of the invention;
Fig. 6 is the schematic diagram of the method for integrated frock in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of frock of pcb board production technology and method of integrated frock of being used for, and is used for the integrated frock technology of pcb board, prevents the pcb board distortion, and improves the welding spot reliability of pcb board.In use, pcb board can be placed in the location notch of pallet, select whether to use fixedly pcb board of anchor clamps according to concrete SMT operation, and anchor clamps can be assembled and dismantle freely, and according to the use number of the needs decisions anchor clamps of location pcb board, in whole SMT machining process, do not need to change anchor clamps, only need the user mode of in good time change clinching to get final product.
See also Fig. 1, be a kind of embodiment that is used for the frock of pcb board production technology in the embodiment of the invention, comprising:
In embodiments of the present invention, utilization has the pcb board of the pallet 101 carrying needs processing of pcb board location notch 103, can heat be evenly distributed on the pcb board by pallet 101, effectively prevent the pcb board distortion, utilize on the pallet 101 fixedly pcb board of the anchor clamps 102 installed simultaneously, make that pcb board will be in stationary state in reflux operation and AOI detecting operation, skew that can occurrence positions has improved the reliability of solder joint
For better understanding, see also Fig. 2, be a kind of embodiment that is used for the frock of pcb board production technology in the embodiment of the invention, comprising:
Wherein, the manufactured materials of pallet 101 is the unleaded synthetic stone of black, the unleaded synthetic stone of black has heat absorption and lacks, high temperature resistant, in light weight, the characteristic of Non-Dewetting, machining property is good, can effectively avoid pcb board in seal tin, paster process because temperature is too high, the pcb board distortion that problem such as heat transferred is inhomogeneous produces.
Wherein, be provided with the ventilative through hole 201 that several are used to breathe freely in the location notch of pallet 101, in actual applications, can under the situation that satisfies the return wire linearity curve, the size and the spacing of ventilative through hole 201 be set, for example, the diameter that ventilative through hole 201 can be set is 6mm, and spacing 10～12mm is for different pcb boards, ventilative through hole 201 can be set according to concrete demand, not do qualification herein.
Picking and placeing of PCB for convenience, the edge of the location notch on pallet is provided with semicircle and gets board slot 202, and the diameter that semicircle is got board slot satisfies the degree of depth and mills logical getting final product.
In embodiments of the present invention, anchor clamps 102 comprise spring 203, spring guide vane end stop 204, PCB clinching 205.See also Fig. 3, for anchor clamps of the present invention are taken each several part schematic diagram afterwards apart, wherein, spacing 204 of spring is made of base 206 and threaded cylinder 207, PCB clinching 205 is made of the hollow cylinder 209 of gland 208 and inner threaded, the contact-making surface of gland 208 and hollow cylinder 209 is not or not the center of gland 208, the syndeton of anchor clamps 102 sees also Fig. 4, the annexation of anchor clamps 102 each several parts is: spring 203 is enclosed within outside the hollow cylinder 209 of PCB clinching, and spring 203 is in compressive state, the screw thread of hollow cylinder 209 inside of the screw thread of the cylinder 207 of spring guide vane end stop 204 and PCB clinching 205 is suitable, spring guide vane end stop 204 adopts the mode that is threaded to be connected with PCB clinching 205, and the anchor clamps medi-spring of having assembled is in compressive state.
See also Fig. 5, figure for the cross section of the frock of the embodiment of the invention, anchor clamps 102 can be installed on the pallet by the pilot hole on the pallet 101 210, wherein, pilot hole 210 is positioned at the edge of the location notch 103 of pallet 101, anchor clamps 102 cross pallet 101, and the location notch 103 of the gland 208 of anchor clamps 102 and pallet 101 is in the same one side of pallet 101, the base of anchor clamps 102 and gland 208 in pallet 101 residing opposite.
For anchor clamps 102 can be stashed when not needing to use, pallet 101 is provided with the adaptive hiding groove 211 of profile of surplus anchor clamps, when the size of hiding groove 211 allowed anchor clamps 102 to be in hidden state at least, the height of the gland 208 of PCB clinching 205 was lower than the height of pallet.Need to prove, be installed in anchor clamps 102 drawing up and down on the pallet 101, or be the axle center with the hollow cylinder 209 that is with spring 203, be rotated, to change the user mode of anchor clamps 102, wherein, the user mode of anchor clamps 102 comprises: the gland 208 of PCB clinching 205 is hidden in to be hidden in the groove 211, the side of the gland 208 of PCB clinching 205 clamps pcb board, and the gland 208 of PCB clinching 205 is pressed on the pcb board.
Need to prove that in embodiments of the present invention, the size of pallet and anchor clamps each several part, thickness need to decide according to concrete operating position, do not do qualification herein.
In embodiments of the present invention, use the unleaded synthetic stone of black effectively heat to be evenly distributed on the pcb board, and slow down the impact of heat to pcb board, avoid the distortion of pcb board, utilize anchor clamps can clamp pcb board, make pcb board in backflow and AOI testing process, can not be offset, improve the reliability of solder joint, guaranteed the quality of pcb board.
For better understanding technology, with introducing the concrete using method of the frock that pallet 101 and anchor clamps 102 form in detail, see also Fig. 6, the embodiment for the method for the integrated frock of utilizing Fig. 1 or the described frock of Fig. 2 embodiment comprises:
In embodiments of the present invention, anchor clamps 102 are to be installed on the pallet 101, and concrete use step is:
601, pcb board is placed in the pcb board location notch of pallet.
In the SMT processing technology, before manufacturing procedure begins, pcb board is placed in the location notch 103 of pallet, pcb board is located.
602, use the gland side of the PCB clinching of anchor clamps that pcb board is clamped, pcb board is carried out printing operation;
603, rolling clamp is hidden in the hiding groove of correspondence of pallet the gland of anchor clamps, and pcb board is carried out the paster operation;
Before pcb board being carried out the paster operation, need to change the user mode of anchor clamps 102, rotatable clamp makes the gland 208 of PCB clinching 205 be hidden in the corresponding hiding groove, and, make the height of gland 208 be lower than the height of pallet 101 by anchor clamps 102 being carried out drawing up and down.
604, rolling clamp makes the gland of PCB clinching be pressed on the pcb board, and pcb board is carried out reflux operation and automated optical detecting operation.
After the paster operation is finished, to carry out reflux operation and optical detection operation to pcb board, owing to will heat to pcb board in the reflux operation, the heat that produces impacts and makes that easily pcb board is offset, the problem of veneer distortion and components and parts failure welding will be produced, simultaneously, because also easily make the shaking of pcb board before automated optical detects in the transmission course of pcb board, therefore, before being carried out reflux operation and automated optical detecting operation, pcb board needs pcb board is fixed, in embodiments of the present invention, can pass through rolling clamp 102, make the gland 208 of PCB clinching 205 of anchor clamps 102 be pressed on the pcb board, pcb board is fixed, prevent the distortion of pcb board in the operating process, improve the reliability of solder joint.
In embodiments of the present invention, utilize pallet make heat can be all and be transferred on the pcb board, and can alleviate the impact of heat to pcb board, effectively avoided problems such as the distortion of pallet and device failure welding, by utilizing anchor clamps that pcb board is fixed, improved the reliability of solder joint again.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than a kind ofly be used for the frock of pcb board production technology and the method for integrated frock is described in detail to provided by the present invention, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a frock that is used for the pcb board production technology is characterized in that, comprises pallet and at least one anchor clamps;
Have location notch on the card of described pallet, the largest contours shape of described location notch is suitable with the profile of the printing board PCB plate that needs the location;
Described anchor clamps are installed on the described pallet, are positioned at the outer ledge of described location notch, are used for fixing described pcb board.
2. frock according to claim 1 is characterized in that, the material of described pallet is the unleaded synthetic stone of black.
3. frock according to claim 1 and 2 is characterized in that, is provided with the ventilative through hole that several are used to breathe freely in the location notch of described pallet.
4. frock according to claim 3 is characterized in that the edge of described location notch is provided with the pilot hole that is used to install described anchor clamps.
5. frock according to claim 4 is characterized in that the edge of described location notch is provided with the semicircle that conveniently picks and places pcb board and gets board slot.
6. frock according to claim 1 is characterized in that, described anchor clamps comprise: spring, spring guide vane end stop, PCB clinching;
Described spring guide vane end stop is made of base and threaded cylinder;
Described PCB clinching is made of the hollow cylinder of gland and inner threaded.
7. frock according to claim 6 is characterized in that,
Described spring housing is external at the hollow cylinder of described PCB clinching;
The hollow cylinder of described PCB clinching adopts the mode that is threaded to be connected with the cylinder of described spring guide vane end stop;
Described spring is in compressive state in described anchor clamps.
8. frock according to claim 7 is characterized in that, the adaptive hiding groove of profile with described anchor clamps is set on the described pallet.
9. frock according to claim 8 is characterized in that, is installed in the rotatable and drawing up and down of described anchor clamps on the described pallet;
The user mode of anchor clamps is: the gland that the gland of described PCB clinching is hidden in the described hiding groove, the side of the gland of described PCB clinching clamps described pcb board, described PCB clinching is pressed on the described pcb board.
10. the method for an integrated frock is characterized in that, uses as any described frock in the claim 1 to 7;
Comprise:
Pcb board is placed in the pcb board location notch of pallet;
Use the side of gland of the described PCB clinching of described anchor clamps that pcb board is clamped, pcb board is carried out printing operation;
After described printing operation is finished, rotate described anchor clamps, the gland of described anchor clamps is hidden in the hiding groove of correspondence of described pallet, pcb board is carried out the paster operation;
After described paster operation is finished, rotate described anchor clamps and make the gland of described PCB clinching be pressed on the described pcb board, pcb board is carried out reflux operation and the operation of automated optical detecting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010619926A CN102036504B (en) | 2010-12-31 | 2010-12-31 | Tool for production process of PCB and integrated fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010619926A CN102036504B (en) | 2010-12-31 | 2010-12-31 | Tool for production process of PCB and integrated fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102036504A true CN102036504A (en) | 2011-04-27 |
| CN102036504B CN102036504B (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010619926A Expired - Fee Related CN102036504B (en) | 2010-12-31 | 2010-12-31 | Tool for production process of PCB and integrated fixing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102036504B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922070A (en) * | 2012-11-05 | 2013-02-13 | 上海航嘉电子有限公司 | Lead-free surface mounting technology (SMT) welding process for FR-1 paper printed circuit board (PCB) and special heat insulation fixture |
| CN103402325A (en) * | 2013-08-05 | 2013-11-20 | 江苏华神电子有限公司 | Clamp for quickly and circularly electroplating circuit board by matching pneumatic worktable |
| CN104411113A (en) * | 2014-11-14 | 2015-03-11 | 镇江华印电路板有限公司 | High-efficient printed circuit board surface-mounted pallet base |
| CN105127629A (en) * | 2015-09-29 | 2015-12-09 | 武汉光迅科技股份有限公司 | Universal loading device for gold wire bonding |
| CN104282583B (en) * | 2014-10-14 | 2017-03-15 | 苏州日月新半导体有限公司 | Operation board suitable for semiconductor device paster process |
| CN107835585A (en) * | 2017-10-31 | 2018-03-23 | 湖北兆元科技有限公司 | For connector and the carrier device and method of pcb board reflow soldering |
| CN108045699A (en) * | 2017-12-20 | 2018-05-18 | 利亚德光电股份有限公司 | Antistatic turnover pallet component |
| CN109275282A (en) * | 2018-11-23 | 2019-01-25 | Oppo广东移动通信有限公司 | Assembly method, circuit board and the electronic equipment of circuit board |
| CN113507831A (en) * | 2021-07-14 | 2021-10-15 | 昆山联滔电子有限公司 | Circuit board mounting system and circuit board mounting control method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922070A (en) * | 2012-11-05 | 2013-02-13 | 上海航嘉电子有限公司 | Lead-free surface mounting technology (SMT) welding process for FR-1 paper printed circuit board (PCB) and special heat insulation fixture |
| CN103402325A (en) * | 2013-08-05 | 2013-11-20 | 江苏华神电子有限公司 | Clamp for quickly and circularly electroplating circuit board by matching pneumatic worktable |
| CN103402325B (en) * | 2013-08-05 | 2016-03-23 | 江苏华神电子有限公司 | Coordinate air table realizing circuit plate Rapid Circulation clamp for electric plating |
| CN104282583B (en) * | 2014-10-14 | 2017-03-15 | 苏州日月新半导体有限公司 | Operation board suitable for semiconductor device paster process |
| CN104411113A (en) * | 2014-11-14 | 2015-03-11 | 镇江华印电路板有限公司 | High-efficient printed circuit board surface-mounted pallet base |
| CN105127629A (en) * | 2015-09-29 | 2015-12-09 | 武汉光迅科技股份有限公司 | Universal loading device for gold wire bonding |
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| CN107835585A (en) * | 2017-10-31 | 2018-03-23 | 湖北兆元科技有限公司 | For connector and the carrier device and method of pcb board reflow soldering |
| CN108045699A (en) * | 2017-12-20 | 2018-05-18 | 利亚德光电股份有限公司 | Antistatic turnover pallet component |
| CN109275282A (en) * | 2018-11-23 | 2019-01-25 | Oppo广东移动通信有限公司 | Assembly method, circuit board and the electronic equipment of circuit board |
| CN113507831A (en) * | 2021-07-14 | 2021-10-15 | 昆山联滔电子有限公司 | Circuit board mounting system and circuit board mounting control method |
| CN113507831B (en) * | 2021-07-14 | 2022-09-16 | 昆山联滔电子有限公司 | Circuit board mounting system and circuit board mounting control method |
Also Published As
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|---|---|
| CN102036504B (en) | 2012-09-05 |
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Granted publication date: 20120905 Termination date: 20171231 |