CN101355869A - Apparatus for leveling rewinding type flexible circuit board - Google Patents
Apparatus for leveling rewinding type flexible circuit board Download PDFInfo
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- CN101355869A CN101355869A CNA200710075430XA CN200710075430A CN101355869A CN 101355869 A CN101355869 A CN 101355869A CN A200710075430X A CNA200710075430X A CN A200710075430XA CN 200710075430 A CN200710075430 A CN 200710075430A CN 101355869 A CN101355869 A CN 101355869A
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- leveling
- circuit board
- flexible circuit
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Abstract
The present invention provides a tape coiling type flexible circuit board leveling device, comprising a sending wheel, a leveling wheel, a heating element, a furling wheel, and two oppositely arranged supporting members. The sending wheel is used for sending the tape coiling type flexible circuit board. The heating element is arranged inside the leveling wheel to heat the leveling wheel. The leveling wheel rotationally spans the two supporting members to level the tape coiling type flexible circuit board sent by the sending wheel. The furling wheel is used for furling the tape coiling type flexible circuit board leveled by the leveling wheel. The tape coiling type flexible circuit board leveling device of the technical proposal can effectively and successively level the tape coiling type flexible circuit board.
Description
Technical field
The present invention relates to flexible circuit board and make the field, relate in particular to a kind of apparatus for leveling rewinding type flexible circuit board.
Background technology
Flexible circuit board needing to be widely used in the electronic product of thin design or movable mechanism design, as mobile phone, mobile computer, display, consumption electronic products and contact panel etc. because of having advantages such as pliability, in light weight, thin thickness.Usually (Roll ToRoll, RTR) production technology realizes by coil type in the manufacturing of flexible circuit board.The coil type production technology is meant the rolling production of continuous processing strip circuit substrate, the technology of rolling delivery, can be applicable to processing procedures such as etching, electrolysis, plating and wire mark.This production technology can increase substantially automaticity and the productivity ratio that flexible circuit board is produced, and reduces production costs, and has also improved qualification rate, the q﹠r of flexible circuit panel products.
Because material coefficient of thermal expansion coefficient (Coefficient of Thermal Expansion) differences such as the Copper Foil of manufacturing flexible circuit board, base material, resin, in the hygrothermal environment of manufacture process, be easy to residual internal stress in flexible circuit board, thereby make flexible circuit board be easy to take place regular or random distortion, promptly make flexible circuit board produce warpage.Warpage has influenced the planarization of flexible circuit board, is unfavorable for the carrying out of electronic devices and components surface mount process and influences the yield that electronic devices and components mount.
The document " Thermal induced warpage characterization forprinted circuit boards with shadow moire system " that Ming Ying equals to be published in 8th Electronics Packaging TechnologyConference (2006EPTC) in December, 2006 has been simulated the experimental data of circuit board angularity under the different temperatures with FEM (finite element) model, helps the wiring of circuit board and the optimization of assembling design.Yet this FEM (finite element) model is not simulated the thermal stress in the rewinding type flexible circuit board production process.And, can not produce useful improvement effect to the rewinding type flexible circuit board that warpage takes place to the simulation of circuit board angularity experimental data.
Therefore, be necessary to provide a kind of apparatus for leveling rewinding type flexible circuit board that can effectively reduce the flexible circuit board angularity.
Summary of the invention
Below, will a kind of apparatus for leveling rewinding type flexible circuit board that can effectively reduce the flexible circuit board angularity be described with embodiment.
A kind of apparatus for leveling rewinding type flexible circuit board, comprise two strutting pieces broadcasting wheel, flatten wheel, heating element, furl wheel and be oppositely arranged, the described wheel of broadcasting is used to broadcast rewinding type flexible circuit board, described heating element is arranged in the leveling wheel, be used for heating leveling wheel, described leveling wheel is set up on described two strutting pieces rotationally, is used to flatten from broadcasting the rewinding type flexible circuit board that wheel is broadcasted, and described furling taken turns the rewinding type flexible circuit board that is used to furl by after the leveling of leveling wheel.
Apparatus for leveling rewinding type flexible circuit board in the technical program has following advantage: at first, heating element can fully heat leveling wheel, the internal stress that can effectively relax after making rewinding type flexible circuit board through the leveling wheel, thus reach good leveling effect; Secondly, this device is applicable to the rewinding type flexible circuit board processing procedure, has effectively improved the leveling speed and the production automation degree of flexible circuit board; Once more, this apparatus for leveling rewinding type flexible circuit board is simple in structure, and cost is lower, and is easy to use.
Description of drawings
Fig. 1 is the schematic diagram of the apparatus for leveling rewinding type flexible circuit board that provides of the technical program execution mode.
Fig. 2 is the schematic diagram of the leveling wheel that provides of the technical program execution mode.
Fig. 3 is the cutaway view of the leveling wheel that provides of the technical program execution mode along III-III direction among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the apparatus for leveling rewinding type flexible circuit board of the technical program execution mode is described in further detail.
See also Fig. 1 and Fig. 2, the apparatus for leveling rewinding type flexible circuit board 100 of the technical program execution mode comprises to be broadcasted wheel 10, leveling wheel 20, heating element 30, be relatively arranged on two strutting pieces 40, power set 50, the microscope carrier 60 of leveling wheel 20 both sides and furl wheel 70.The described wheel 10 of broadcasting can be broadcasted rewinding type flexible circuit board 200.Described heating element 30 is arranged in the leveling wheel 20, is used for heating leveling wheel 20.Leveling wheel 20 is set up in described two strutting pieces 40 rotationally, and drives rotation by power set 50.Described microscope carrier 60 is relatively arranged on leveling wheel 20 belows, makes to treat that leveling circuit board is located between leveling wheel 20 and the microscope carrier 60.Leveling wheel 20 can make with microscope carrier 60 and treat that leveling circuit board flattens processing under certain pressure.Described furl wheel 70 be used to furl through the rewinding type flexible circuit board 200 after 20 levelings of leveling wheel '.
The leveling of rewinding type flexible circuit board 200 is handled by leveling wheel 20 and is realized: behind heating element 30 heating leveling wheels 20, be sent to the rewinding type flexible circuit board 200 of leveling wheel 20 by 20 heating of leveling wheel by broadcasting wheel 10, the internal stress of rewinding type flexible circuit board 200 can effectively be relaxed under heating environment, thereby reduce the angularity of rewinding type flexible circuit board 200, obtain to have after the leveling rewinding type flexible circuit board 200 of satisfactory flatness ', and furl by furling wheel 70.
See also Fig. 2 and Fig. 3, described leveling wheel 20 comprises rotating shaft 21 and wheel body 22.Described wheel body 22 is provided with around rotating shaft 21, and drives rotation by rotating shaft 21.Rotating shaft 21, wheel body 22 are made by Heat Conduction Material, so that by heating element 30 heating.Described Heat Conduction Material can be metal material such as aluminium, copper and alloy thereof or chemicals, also can be macromolecular material such as rubber, silica gel, silicone, epoxy resin etc.
Described heating element 30 can be in electricity, magnetic or the following distribute heat of other effects.Heating element 30 can be electrothermal tube, as quartz electrothermal tube, ceramic electrical heating tube, carbon fiber electric heating tube, radiation electric heat pipe, metal electric heating pipe etc., is placed in rotating shaft 21, and distribute heat is with heating leveling wheel 20 under the function of current; Heating element 30 also can be made by ferroplatinum or monel for ferromagnetic hot seed, is embedded in wheel body 22 or rotating shaft 21, and heat release is with heating leveling wheel 20 under the effect of external magnetic field; In addition, heating element 30 also can be wheel body 22 or rotating shaft 21 itself, and for example, wheel body 22 or rotating shaft 21 can be made by ferromagnetic material, heat leveling wheel 20 in adding under the action of alternative electric field according to the galvanomagnetic effect distribute heat.Certainly, heating element 30 also can be other heater, relies on other electromagnetic action to play the effect of heating leveling wheel 20.
In the present embodiment, heating element 30 is an electrothermal tube.Rotating shaft 21 is hollow body, and it has internal cavities 23 with ccontaining heating element 30.Heating element 30 two ends are sheathed on 31, two fixing rings 31 of two fixing rings respectively and are fixed in described two strutting pieces 40 via two fixing arms 32 respectively.Thereby heating element 30 can be stablized and is immobilizated in the rotating shaft 21, plays the effect of heating leveling wheel 20.Certainly, fixing arm 32 also can be fixed in microscope carrier 60 or other fixtures.
The heating power of heating element 30 can be determined according to the heat exhaustion situation of leveling wheel 20, only need make leveling wheel 20 remain on uniform temperature and get final product as 80～150 degrees centigrade.Preferably, heating element 30 is connected with heating controller 33, so that heating-up temperature, heating time and the cooling rate etc. of control heating element 30.
The two ends of rotating shaft 21 are set up in described two strutting pieces 40 respectively, so that leveling wheel 20 is arranged at microscope carrier 60 tops rotationally.Each strutting piece 40 includes bearing 41 and support portion 42.Described bearing 41 comprises bearing inner race 43, a plurality of bearing ball 44 and bearing outer ring 45.Described bearing inner race 43 is used to set firmly rotating shaft 21.Described bearing outer ring 45 is fixedly arranged on support portion 42.Be provided with a plurality of bearing balls 44 between bearing inner race 43, the bearing outer ring 45, so bearing inner race 43 and rotating shaft 21 can freely be rotated with respect to bearing outer ring 45, support portion 42.Support portion 42 can be fixedly arranged on microscope carrier 60, also can be fixedly arranged on other fixtures, but only needs held stationary bearing outer ring 45 to get final product.
At least one end of rotating shaft 21 is installed with first belt pulley 24, first belt pulley 24 is connected with second belt pulley 51 of power set 50 by belt 25, so that power set 50 drive rotating shaft 21 by belt 25 and wheel body 22 rotates, play the effect that flattens rewinding type flexible circuit board 200 continuously.Certainly, described first belt pulley 24, second belt pulley 51 also can be gear or other linkages, only need its power of being convenient to realize power set 50 and flatten wheel 20 to be connected and get final product.
Preferably, the linear velocity of wheel body 22 outer surfaces should with broadcast the wheel 10, furl the wheel 70 outer surfaces linear velocity consistent, for example, the linear velocity of wheel body 22 outer surfaces is 0.5 meter/minute～4 meters/minute.
As a rule, broadcast wheel 10, leveling wheel 20, furl the rewinding type flexible circuit board 200,200 that transmits between the wheel 70 ' have a certain force of strain, therefore, rewinding type flexible circuit board 200 fits tightly in the outer surface of leveling wheel 20, take turns 20 heating rewinding type flexible circuit boards 200 by the leveling that is heated after element 30 heats, thus the internal stress of lax rewinding type flexible circuit board 200.In the present embodiment,, microscope carrier 60 is set in leveling wheel 20 belows for making rewinding type flexible circuit board 200 further fit in leveling wheel 20.Adjust the distance between microscope carrier 60 and the leveling wheel 20, flatten processing, can further eliminate the internal stress of rewinding type flexible circuit board 200 like this so that the rewinding type flexible circuit board 200 between leveling wheel 20 and the microscope carrier 60 is under the certain pressure.Preferably, for cooperating leveling wheel 20 better, upper surface 61 middle parts of microscope carrier 60 offer one and are used for the groove 62 that holding part divides wheel body 22.The bottom surface of described groove 62 is the cancave cambered surface 63 with the corresponding cooperation of wheel body 22 outer surfaces.Described cooperation is meant when wheel body 22 outer surfaces are resisted against groove 62, and cancave cambered surface 63 can contact with the outer surface of wheel body 22, coincide.In addition, the distance between cancave cambered surface 63 and wheel body 22 outer surfaces is to be advisable about equally with the thickness of rewinding type flexible circuit board 200.
In the technical program, the leveling of rewinding type flexible circuit board 200 is handled by leveling wheel 20 and is realized.Particularly, behind the proper temperature of heating element 30 between the heating leveling is taken turns 20 to 80～150 degrees centigrade under heating controller 33 controls, rewinding type flexible circuit board 200 is sent to the leveling wheel 20 that has heated and is flattened wheel 20 heating with the suitable transfer rate between 0.5 meter/minute～4 meters/minute via broadcasting wheel 10.Suitable transfer rate makes rewinding type flexible circuit board 200 keep certain hour down in the proper temperature environment, thereby can effectively relax, eliminate the internal stress of rewinding type flexible circuit board 200, reduce the angularity of rewinding type flexible circuit board 200, play the effect of leveling rewinding type flexible circuit board 200.Rewinding type flexible circuit board 200 after the leveling ' furl to furl wheel 70.Therefore, broadcast wheel 10, leveling wheel 20, furl wheel 70 and can carry out continuous leveling and handle.
Apparatus for leveling rewinding type flexible circuit board in the technical program has following advantage: at first, and heating Element can fully heat leveling wheel, so that rewinding type flexible circuit board is through in can effectively relaxing behind the leveling wheel Stress, thus reach good leveling effect; Secondly, this device is applicable to rewinding type flexible circuit board system Journey, Effective Raise leveling speed and the production automation degree of flexible circuit board; Again, this coil type The flexible circuit board apparatus for leveling is simple in structure, and cost is lower, and is easy to use.
Be understandable that, for the person of ordinary skill of the art, can be according to skill of the present invention Other various corresponding changes and distortion is made in the art design, and all these change and distortion all should belong to this The protection domain of invention claim.
Claims (12)
1. apparatus for leveling rewinding type flexible circuit board, comprise two strutting pieces broadcasting wheel, flatten wheel, heating element, furl wheel and be oppositely arranged, the described wheel of broadcasting is used to broadcast rewinding type flexible circuit board, described heating element is arranged in the leveling wheel, be used for heating leveling wheel, described leveling wheel is set up on described two strutting pieces rotationally, is used to flatten from broadcasting the rewinding type flexible circuit board that wheel is broadcasted, and described furling taken turns the rewinding type flexible circuit board that is used to furl by after the leveling of leveling wheel.
2. apparatus for leveling rewinding type flexible circuit board as claimed in claim 1 is characterized in that, described leveling wheel comprises that rotating shaft and wheel body, described rotating shaft are used to drive wheel body and rotate, and described wheel body is used to flatten rewinding type flexible circuit board around the rotating shaft setting.
3. apparatus for leveling rewinding type flexible circuit board as claimed in claim 2 is characterized in that described rotating shaft, wheel body are made by Heat Conduction Material.
4. apparatus for leveling rewinding type flexible circuit board as claimed in claim 2 is characterized in that described rotating shaft is hollow body, has an internal cavities, and described heating element is placed in this internal cavities.
5. apparatus for leveling rewinding type flexible circuit board as claimed in claim 4 is characterized in that, described heating element two ends are sheathed on two fixing rings respectively, and described two fixing rings are fixed in described two strutting pieces via two fixing arms respectively.
6. apparatus for leveling rewinding type flexible circuit board as claimed in claim 2 is characterized in that described heating element is embedded in wheel body.
7. apparatus for leveling rewinding type flexible circuit board as claimed in claim 2 is characterized in that, described heating element is wheel body or rotating shaft.
8. apparatus for leveling rewinding type flexible circuit board as claimed in claim 1 is characterized in that, described heating element is an electrothermal tube.
9. apparatus for leveling rewinding type flexible circuit board as claimed in claim 1 is characterized in that, described heating element is ferromagnetic hot seed.
10. apparatus for leveling rewinding type flexible circuit board as claimed in claim 1, it is characterized in that, described apparatus for leveling rewinding type flexible circuit board also comprises a temperature controller, described temperature controller is connected with heating element, is used to control heating-up temperature, heating time and the cooling rate of heating element.
11. apparatus for leveling rewinding type flexible circuit board as claimed in claim 1 is characterized in that, described apparatus for leveling rewinding type flexible circuit board also comprises power set that are connected with the leveling wheel, is used for driving the leveling wheel and rotates.
12. apparatus for leveling rewinding type flexible circuit board as claimed in claim 1 is characterized in that, described apparatus for leveling rewinding type flexible circuit board comprises that also one is arranged at the microscope carrier of leveling wheel below, is used to make rewinding type flexible circuit board further to fit in the leveling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710075430XA CN101355869B (en) | 2007-07-27 | 2007-07-27 | Apparatus for leveling rewinding type flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710075430XA CN101355869B (en) | 2007-07-27 | 2007-07-27 | Apparatus for leveling rewinding type flexible circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN101355869A true CN101355869A (en) | 2009-01-28 |
| CN101355869B CN101355869B (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710075430XA Expired - Fee Related CN101355869B (en) | 2007-07-27 | 2007-07-27 | Apparatus for leveling rewinding type flexible circuit board |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029244A (en) * | 2012-12-20 | 2013-04-10 | 山东大学 | Paraffin leveling and recycling device |
| CN103498044A (en) * | 2013-09-26 | 2014-01-08 | 苏州米达思精密电子有限公司 | Coiled strip metal raw material sand blasting deformation stress relief device |
| CN110113879A (en) * | 2019-06-11 | 2019-08-09 | 苏州微影激光技术有限公司 | A kind of winding/unwinding device and production line |
| CN115023048A (en) * | 2022-06-23 | 2022-09-06 | 珠海新立电子科技有限公司 | Ultra-thin single face FPC product levels device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528833A (en) * | 1982-07-29 | 1985-07-16 | Ube Industries, Ltd. | Method for removal of curling of circuit printable flexible substrate |
| JP2566250B2 (en) * | 1987-09-24 | 1996-12-25 | 三井東圧化学株式会社 | Correction method for dimensional difference between layers |
-
2007
- 2007-07-27 CN CN200710075430XA patent/CN101355869B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029244A (en) * | 2012-12-20 | 2013-04-10 | 山东大学 | Paraffin leveling and recycling device |
| CN103498044A (en) * | 2013-09-26 | 2014-01-08 | 苏州米达思精密电子有限公司 | Coiled strip metal raw material sand blasting deformation stress relief device |
| CN110113879A (en) * | 2019-06-11 | 2019-08-09 | 苏州微影激光技术有限公司 | A kind of winding/unwinding device and production line |
| CN115023048A (en) * | 2022-06-23 | 2022-09-06 | 珠海新立电子科技有限公司 | Ultra-thin single face FPC product levels device |
| CN115023048B (en) * | 2022-06-23 | 2023-01-06 | 珠海新立电子科技有限公司 | Ultra-thin single face FPC product levels device |
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| Publication number | Publication date |
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| CN101355869B (en) | 2010-11-17 |
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Address after: 518103 Shenzhen Province, Baoan District Town, Fuyong Tong tail Industrial Zone, factory building, building 5, floor, 1 Co-patentee after: Zhending Technology Co., Ltd. Patentee after: Fuku Precision Components (Shenzhen) Co., Ltd. Address before: 518103 Guangdong city of Shenzhen province Baoan District Fuyong Zhen Tang Wei Cun Xinyuan Industrial Zone Co-patentee before: Honsentech Co., Ltd. Patentee before: Fuku Precision Components (Shenzhen) Co., Ltd. |
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Granted publication date: 20101117 Termination date: 20150727 |
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