CN105537181A - Cleaning device and method for screen printing defective pieces - Google Patents
Cleaning device and method for screen printing defective pieces Download PDFInfo
- Publication number
- CN105537181A CN105537181A CN201510953894.0A CN201510953894A CN105537181A CN 105537181 A CN105537181 A CN 105537181A CN 201510953894 A CN201510953894 A CN 201510953894A CN 105537181 A CN105537181 A CN 105537181A
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- bad
- serigraphy
- cleaning
- motor
- fixture block
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- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000002950 deficient Effects 0.000 title abstract 4
- 238000007650 screen-printing Methods 0.000 title abstract 4
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 238000011010 flushing procedure Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000002791 soaking Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 17
- 239000000047 product Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 10
- 239000004332 silver Substances 0.000 description 10
- 229910052709 silver Inorganic materials 0.000 description 10
- 238000007639 printing Methods 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/041—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a cleaning production line and method for screen printing defective pieces. A cleaning device sequentially comprises a feeding device (1), a soaking device (2), an obverse-side flushing device (3), a reverse-side flushing device (4), a drying device (5) and a discharging device (6) from front to back. The feeding device (1), the soaking device (2), the obverse-side flushing device (3), the reverse-side flushing device (4), the drying device (5) and the discharging device (6) are connected through a conveying device (7) in a through mode, and operation tracks (8) are arranged on two sides of the devices. Positioning devices (9) are evenly distributed in the length direction of the operation tracks (8). Each positioning device (9) comprises a fixing clamping block (20), a rotation control device used for controlling the fixing clamping block (20) to rotate, and a horizontal movement control device used for controlling the rotation control device to move front and back. The cleaning device and method have the beneficial effects that the screen printing defective pieces are clamped or released through the horizontal movement control device and are overturned through the rotation control device, so that the obverse sides and the reverse sides are cleaned, and automatic cleaning of the screen printing defective pieces is achieved.
Description
Technical field
The present invention relates to mechanical field, particularly relate to a kind of serigraphy bad cleaning device and cleaning method thereof.
Background technology
Crystal silicon solar back of the body electric field, back electrode are positioned at rear surface of solar cell, form the back side and the bottom electrode of silion cell.Match with the top electrode on silion cell surface, play the effect electric energy that silicon solar cell produces being sent to the external world, positive electrode and back electrode are passed through printing by silver slurry, back electrode by aluminium paste, dry, are sintered and formed.
In normal cell piece serigraphy production process; often there will be the serigraphy substandard products that some cause owing to printing exception, these substandard products mainly contain that front description is imperfect, back side figure is imperfect, back side aluminium paste has drained to the front or side etc. of cell piece.All these printing substandard products are once through drying, after sintering, and the slight substandard products such as to become, serious directly can produce waste product, thus has influence on final product percent of pass and conversion ratio.
Current be that artificial water cleans or rinses to the processing method of cell piece serigraphy substandard products at all, and efficiency is low, weak effect, is unfavorable for the need of production of industrialization.
The utility model patent being CN203536461U as notification number discloses a kind of workbench for wiping serigraphy substandard products, comprise desktop, arrange on the table for place and adsorb printing substandard products hollow table top, for the support of supporting desktop and the vavuum pump for making to produce negative pressure in table top and then adsorb printing substandard products, the panel of described table top is provided with multiple aperture, described table top base plate is provided with through hole, and described through hole is communicated with vavuum pump by flexible pipe.When adopting this workbench wiping serigraphy substandard products, silver slurry is not easy to be stained with on left handed gloves, and convenient silver slurry reclaims; And silicon chip is fixing relatively more firm, improves operating efficiency.This patent adopts pure manual cleaning method, has cleaning efficiency low, weak effect, is unfavorable for the need of production of industrialization.
And for example notification number is that the patent of invention of CN102437234B discloses a kind of solar battery sheet printing and to do over again the processing method of substandard products, successively Ultrasonic Cleaning is carried out to solar battery sheet of doing over again, first time washing, hot hydrochloric acid cleaning, second time wash, dry and re-start serigraphy, it solve the solar battery sheet after existing printing and effectively can not do over again and process and cause the problem of the wasting of resources, cost increase.But it does not relate to the equipment of cell piece cleaning, cannot realize the cleaning of automation yet, have cleaning efficiency low, weak effect, be unfavorable for the need of production of industrialization.
For another example notification number is that the patent of invention of CN100505334B discloses substandard products reworking method after a kind of crystal silicon solar cell sheet printing, comprises three steps: with HCL cleaning fluid, removes the aluminium paste at the cell piece back side; The silver slurry of positive and negative two of cell piece is removed with isopropyl alcohol; With degree of depth cleaning fluid, degree of depth cleaning is carried out to the cell piece substantially removing slurry, thoroughly wash small impurity.By the process of the method, the conversion efficiency of cell piece can reach the level of normal battery sheet, and outward appearance is also as good as with normal battery sheet, reaches the object of cleaning of doing over again.The disqualification rate of cell piece silk-screen is reduced to about 0.2% by original about 2%, thus improves qualification rate and the yield rate of silicon solar cell.But it does not relate to the equipment of cell piece cleaning yet, cannot realize the cleaning of automation yet, have cleaning efficiency low, weak effect, be unfavorable for the need of production of industrialization.
Summary of the invention
For the cleaning efficiency overcoming bad of the serigraphy existed in prior art manual cleaning existence is low, weak effect, be unfavorable for the problems such as industrialization need of production, the invention provides a kind of serigraphy bad cleaning product line, comprise feed arrangement from front to back successively, infuser device, front flusher, reverse side flusher, drying unit and drawing mechanism, described feed arrangement, infuser device, front flusher, reverse side flusher, conveying device is adopted to run through connection between drying unit and drawing mechanism, described conveying device both sides are provided with the orbit be arranged in parallel with described conveying device, described orbit is evenly distributed with positioner along its length, and described positioner comprises fixing fixture block, for controlling the rotating control assembly of described fixing fixture block rotary motion, for controlling the translation control device that described rotating control assembly seesaws, described translation control device is slidably mounted on described orbit, the output of described translation control device is connected with described rotating control assembly, and described fixing fixture block is fixed on the output of described rotating control assembly.By translation control device, bad for serigraphy is clamped or unclamped, rotating control assembly, by bad for serigraphy upset, realizes positive and negative cleaning, realizes the automation of bad of serigraphy cleaning.
Preferably, described translation control device comprises the housing be slidably mounted on described orbit, is fixed on first motor of described case inside one end, the screw mandrel be on the first motor center axle, fixture for fixing described rotating control assembly, described screw mandrel outer surface is provided with screw thread, and described fixture is provided with the nested mouth that an inner surface coordinates with described wire rod thread.First motor adopts servomotor, by screw rod transmission, is rectilinear motion by the convert rotational motion of electric machine main shaft, improves the accuracy during clamping of fixing fixture block.
Preferably, described screw mandrel can be divided into two parts, lay respectively on the orbit of the both sides of conveying device, and the fixture be respectively equipped with for fixing described rotating control assembly, described screw mandrel outer surface is provided with screw thread, two-part external screw thread direction is contrary, two described fixtures is respectively equipped with the nested mouth that an inner surface coordinates with described wire rod thread.First motor adopts servomotor, and by screw rod transmission, the rotating control assembly controlling the left and right sides moves to centre with identical speed, and clamp bad, the left and right sides adopts same screw mandrel, can improve accuracy when coordinating between two fixing fixture blocks and stability.
Preferably, plural sliding sleeve is also fixed with at described case inside, on each described sliding sleeve, have can along the slide block of described sliding sleeve direction side-to-side movement for cover, described slide block is all fixed in described fixture, rotating control assembly is along sleeve movement, improve stability during its rectilinear motion, reducing the impulsive force steadily bad not caused because sliding when fixing fixture block contacts with bad.
Preferably, described rotating control assembly comprises the second motor, harmonic wave speed reducing machine, the first rotating shaft and the second rotating shaft, described second motor and described harmonic wave speed reducing machine are fixed in described fixture, described first rotating shaft is fixed on described second motor center axle, described second rotating shaft one end is fixed on described first rotating shaft, and described fixing fixture block is fixed on the described second rotating shaft other end.Second motor adopts servomotor, rotates the upset realizing fixing fixture block, thus realize the cleaning to bad positive and negative by accurately controlling it.
Preferably, described fixing fixture block comprises the jaws towards described conveying device direction, and described jaws comprises for the fixing canned paragraph at bad edge and the changeover portion for having dragged described bad, and described changeover portion is the slope tilted to described jaws canned paragraph.
Preferably, cushion is provided with inside described jaws.When the fixing fixture block of reduction contacts with bad, or give the bad impulsive force brought in the process of cleaning, play the effect of buffering.
Preferably, described fixing fixture block changeover portion is in the same plane with described conveying device bottom.Like this, fixing fixture block is close to conveying device in bottom in the process of left movement, and when touching bad, bad holds up to canned paragraph by two the fixing fixture blocks arranged by left and right, and what realize bad is fixing.
Preferably, described changeover portion is curve, and the angle of its tangent line and fixing fixture block bottom surface increases from fixing fixture block tip gradually to jaws direction, and maximum angle is less than 80 DEG C.Bad can being reduced like this arriving the horizontal pressure force effect that in canned paragraph process, edge bears, reducing the impact on bad tablet quality.
Utilize a cleaning method for above-mentioned cleaning product line, comprise the steps:
Step one: bad for serigraphy is placed in the conveying device in feed arrangement;
Step 2: the conveying device both sides positioner be positioned on orbit is drawn close to centre and is clipped in the middle bad for serigraphy under the drive of the first motor;
Step 3: described positioner drives bad of serigraphy to enter infuser device, 2 ~ 3min is soaked in the cleaning fluid of infuser device, front flushing is carried out through front flusher, the angle of flushing water flow path direction and horizontal direction is less than 60 °, the speed of current is 0.3 ~ 0.6m/s, and water temperature is 30 ~ 60 DEG C;
Step 4: described positioner drives bad of serigraphy to overturn 180 ° under the drive of the second motor, reverse side flushing is carried out again through reverse side flusher, the angle of flushing water flow path direction and horizontal direction is less than 60 °, and the speed of current is 0.3 ~ 0.6m/s, and water temperature is 30 ~ 60 DEG C;
Step 5: bad of serigraphy is after drying unit is dried, and described positioner to two lateral movements, makes bad of serigraphy depart from fixing fixture block, drops in the conveying device in described drawing mechanism, complete cleaning under the drive of the first motor.
Positioner is adopted automatically to locate and overturn, and by once soaking, front is rinsed and reverse side rinses, and improves the cleaning performance making bad, make bad after the cleaning standard reaching recycling, achieve the automation mechanized operation of bad cleaning.
Before carrying out positive and negative cleaning, first through once soaking, not only can remove bad surface portion aluminium paste, and can play make the silver on its surface starch in penetrate into a part of water, make in the process of rinsing in front and rinsing on the contrary, silver slurry more easily comes off, and reduces the requirement to water velocity.The method also can realize the independent recovery to aluminium and silver.
Preferably, the composition of the cleaning fluid in described infuser device is the mixed liquor of NaOH and KOH, and its solution pH value is greater than 10.
Preferably, the composition of the cleaning fluid of described front flusher and reverse side flusher is the mixed liquor of hydrofluoric acid and nitric acid, and the volume ratio of nitric acid and hydrofluoric acid is 1:1 ~ 2.
Compared with prior art, the invention has the beneficial effects as follows:
(1) positioner is adopted, positioner comprises balance control device and rotating control assembly, by translation control device, bad for serigraphy is clamped or unclamp, rotating control assembly is by bad for serigraphy upset, realize positive and negative cleaning, realize the automation of bad of serigraphy cleaning;
(2) first motors adopt servomotor, by screw rod transmission, are rectilinear motion by the convert rotational motion of electric machine main shaft, improve the accuracy during clamping of fixing fixture block;
(3) be fixed with plural sliding sleeve at case inside, rotating control assembly, along sleeve movement, improves stability during its rectilinear motion, reduces the impulsive force steadily do not caused bad because sliding when fixing fixture block contacts with bad;
(4) be provided with cushion inside jaws, when the fixing fixture block of reduction contacts with bad, or give the bad impulsive force brought in the process of cleaning, play the effect of buffering;
(5) jaws comprises the changeover portion for having dragged bad, changeover portion is curve, the angle of its tangent line and fixing fixture block bottom surface increases from fixing fixture block tip gradually to jaws direction, maximum angle is less than 80 DEG C, bad can being reduced like this arriving the horizontal pressure force effect that in canned paragraph process, edge bears, reducing the impact on bad tablet quality;
(6) positioner is adopted automatically to locate and overturn, and by once soaking, front is rinsed and reverse side rinses, and improves the cleaning performance of bad, make bad after the cleaning standard reaching recycling, achieve the automation mechanized operation of bad cleaning;
(7) before carrying out positive and negative cleaning, first through once soaking, not only can remove bad surface portion aluminium paste, and can play make the silver on its surface starch in penetrate into a part of water, make in the process of rinsing in front and rinsing on the contrary, silver slurry more easily comes off, and reduces the requirement to water velocity, and can realize the independent recovery to aluminium and silver.
Accompanying drawing explanation
Fig. 1 is the present invention's preferably production line block diagram;
Fig. 2 is the present invention's preferably FB(flow block);
Fig. 3 is the present invention preferably positioning device structure figure mono-;
Fig. 4 is the present invention preferably positioning device structure figure bis-;
Fig. 5 is the present invention's preferably geometrical clamp block structural diagram one;
Fig. 6 is the present invention's preferably geometrical clamp block structural diagram two.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be illustrated in figure 1 the present invention's preferably production line block diagram, comprise feed arrangement 1, infuser device 2, front flusher 3, reverse side flusher 4, drying unit 5 and drawing mechanism 6 from front to back successively, described feed arrangement 1, infuser device 2, front flusher 3, reverse side flusher 4, between drying unit 5 and drawing mechanism 6, adopt conveying device 7 to run through connection.
Be illustrated in figure 2 the present invention's preferably FB(flow block), bad of serigraphy is through feed arrangement 1 charging, positioner 9 positions it, soak through infuser device 2 again, front flusher 3 carries out front flushing, then overturns 180 ° by positioner 9, then carries out reverse side flushing through reverse side flusher 4, drying unit 5 carries out drying rear discharging, obtains can be used for reclaiming the cell piece used.
Be illustrated in figure 3 the present invention preferably positioning device structure figure mono-, now positioner 9 is in the state before location, be illustrated in figure 4 the present invention preferably positioning device structure figure bis-, now positioner 9 is in state behind location, conveying device 7 both sides are provided with the orbit 8 be arranged in parallel with described conveying device 7, orbit 8 is evenly distributed with positioner 9 along its length, positioner 9 comprises fixing fixture block 20, for controlling the rotating control assembly of described fixing fixture block 20 rotary motion, for controlling the translation control device that described rotating control assembly seesaws, described translation control device is slidably mounted on described orbit 8, the output of described translation control device is connected with described rotating control assembly, described fixing fixture block 20 is fixed on the output of described rotating control assembly.
Translation control device comprises the housing 10 be slidably mounted on described orbit 8, is fixed on the first motor 11 of described housing 10 inner opposite end, the screw mandrel 18 be on the first motor 11 central shaft, fixture 15 for fixing described rotating control assembly, described screw mandrel 18 outer surface is provided with screw thread, and described fixture 15 is provided with the nested mouth 17 of an inner surface and described screw mandrel 18 threaded engagement.
Also be fixed with plural sliding sleeve 12 inside housing 10, on each described sliding sleeve 12, have can along the slide block 14 of described sliding sleeve 12 direction side-to-side movement for cover, and described slide block 14 is all fixed in described fixture 15; Described rotating control assembly comprises the second motor 13, harmonic wave speed reducing machine 16, first rotating shaft 25 and the second rotating shaft 19, described second motor 13 and described harmonic wave speed reducing machine 16 are fixed in described fixture 15, described first rotating shaft 25 is fixed on described second motor 13 central shaft, described second rotating shaft 19 one end is fixed on described first rotating shaft 25, and described fixing fixture block 20 is fixed on described second rotating shaft 19 other end.Second motor 13 adopts servomotor, rotates the upset realizing fixing fixture block, thus realize the cleaning to bad positive and negative by accurately controlling it.
As one preferred embodiment, screw mandrel 18 can be divided into two parts, lay respectively on the orbit 8 of the both sides of conveying device 7, and the fixture 15 be respectively equipped with for fixing described rotating control assembly, described screw mandrel 18 outer surface is provided with screw thread, two-part external screw thread direction is contrary, two described fixtures 15 is respectively equipped with the nested mouth 17 of an inner surface and described screw mandrel 18 threaded engagement.First motor 11 adopts servomotor, by screw mandrel 18 transmission, the rotating control assembly controlling the left and right sides moves to centre with identical speed, clamps bad, the left and right sides adopts same screw mandrel, can improve accuracy when coordinating between two fixing fixture blocks and stability.
Be illustrated in figure 5 the present invention's preferably geometrical clamp block structural diagram one, fixing fixture block 20 comprises the jaws 21 towards described conveying device 7 direction, described jaws 21 comprises for the fixing canned paragraph 22 at bad edge and the changeover portion 23 for having dragged described bad, and described changeover portion 23 is the slope tilted to described jaws canned paragraph 22; Cushion 24 is provided with inside jaws 21.
Fixing fixture block changeover portion 23 is in the same plane with described conveying device 7 bottom.
Be illustrated in figure 6 the present invention's preferably geometrical clamp block structural diagram two, fixing fixture block 20 comprises the jaws 21 towards described conveying device 7 direction, described jaws 21 comprises for the fixing canned paragraph 22 at bad edge and the changeover portion 23 for having dragged described bad, changeover portion 23 is curve, the angle of its tangent line and fixing fixture block 20 bottom surface increases from fixing fixture block 20 tip gradually to jaws 21 direction, and maximum angle is less than 80 DEG C.Bad can being reduced like this arriving the horizontal pressure force effect that in canned paragraph process, edge bears, reducing the impact on bad tablet quality.
The present embodiment also provides a kind of cleaning method utilizing above-mentioned serigraphy bad cleaning product line, comprises the steps:
Step one: bad for serigraphy is placed in the conveying device 7 in feed arrangement 1;
Step 2: the conveying device 7 both sides positioner 9 be positioned on orbit 8 is drawn close to centre and is clipped in the middle bad for serigraphy under the drive of the first motor 11;
Step 3: described positioner 9 drives bad of serigraphy to enter infuser device 2,2 ~ 3min is soaked in the cleaning fluid of infuser device 2, front flushing is carried out through front flusher 3, the angle of flushing water flow path direction and horizontal direction is less than 60 °, preferably 45 °, the speed of current is 0.3 ~ 0.6m/s, preferred 0.4m/s, water temperature is 30 ~ 60 DEG C, is preferably 40 DEG C;
Step 4: positioner 9 drives bad of serigraphy to overturn 180 ° under the drive of the second motor 13, reverse side flushing is carried out again through reverse side flusher 4, the angle of flushing water flow path direction and horizontal direction is less than 60 °, preferably 45 °, the speed of current is 0.3 ~ 0.6m/s, preferred 0.4m/s, water temperature is 30 ~ 60 DEG C, is preferably 40 DEG C;
Step 5: bad of serigraphy is after drying unit 5 is dried, described positioner 9 under the drive of the first motor 11 to two lateral movements, make bad of serigraphy depart from fixing fixture block 20, drop in the conveying device 7 in described drawing mechanism 6, complete cleaning.
The composition of the cleaning fluid in described infuser device 2 is the mixed liquor of NaOH and KOH, and its solution pH value is greater than 10, and preferred pH value is 12.
The composition of the cleaning fluid in described front flusher 3 and reverse side flusher 4 is the mixed liquor of hydrofluoric acid and nitric acid, and the volume ratio of nitric acid and hydrofluoric acid is 1:1 ~ 2, preferred 1:1.5.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (10)
1. a serigraphy bad cleaning product line, it is characterized in that, comprise feed arrangement (1) from front to back successively, infuser device (2), front flusher (3), reverse side flusher (4), drying unit (5) and drawing mechanism (6), described feed arrangement (1), infuser device (2), front flusher (3), reverse side flusher (4), conveying device (7) is adopted to run through connection between drying unit (5) and drawing mechanism (6), described conveying device (7) both sides are provided with the orbit (8) be arranged in parallel with described conveying device (7), described orbit (8) is evenly distributed with positioner (9) along its length, described positioner (9) comprises fixing fixture block (20), for controlling the rotating control assembly of described fixing fixture block (20) rotary motion, for controlling the translation control device that described rotating control assembly seesaws, described translation control device is slidably mounted on described orbit (8), the output of described translation control device is connected with described rotating control assembly, described fixing fixture block (20) is fixed on the output of described rotating control assembly.
2. a kind of serigraphy as claimed in claim 1 bad cleaning product line, it is characterized in that, described translation control device comprises the housing (10) be slidably mounted on described orbit (8), be fixed on first motor (11) of described housing (10) inner opposite end, be in the screw mandrel (18) on the first motor (11) central shaft, for the fixture (15) of fixing described rotating control assembly, described screw mandrel (18) outer surface is provided with screw thread, described fixture (15) is provided with the nested mouth (17) of an inner surface and described screw mandrel (18) threaded engagement.
3. a kind of serigraphy as claimed in claim 2 bad cleaning product line, it is characterized in that, plural sliding sleeve (12) is also fixed with in described housing (10) inner side, the upper cover of each described sliding sleeve (12) has can along the slide block (14) of described sliding sleeve (12) direction side-to-side movement, and described slide block (14) is all fixed in described fixture (15).
4. a kind of serigraphy as claimed in claim 1 bad cleaning product line, it is characterized in that, described rotating control assembly comprises the second motor (13), harmonic wave speed reducing machine (16), first rotating shaft (25) and the second rotating shaft (19), described second motor (13) and described harmonic wave speed reducing machine (16) are fixed in described fixture (15), described first rotating shaft (25) is fixed on described second motor (13) central shaft, described second rotating shaft (19) one end is fixed on described first rotating shaft (25), described fixing fixture block (20) is fixed on described second rotating shaft (19) other end.
5. the bad cleaning product line of a kind of serigraphy as described in any one of claim 1-4, it is characterized in that, described fixing fixture block (20) comprises the jaws (21) towards described conveying device (7) direction, described jaws (21) comprises for the fixing canned paragraph (22) at bad edge and the changeover portion (23) for having dragged described bad, and described changeover portion (23) is the slope tilted to described jaws canned paragraph (22).
6. a kind of serigraphy as claimed in claim 5 bad cleaning product line, is characterized in that, described jaws (21) inner side is provided with cushion (24).
7. a kind of serigraphy as claimed in claim 6 bad cleaning product line, is characterized in that, described fixing fixture block changeover portion (23) is in the same plane with described conveying device (7) bottom.
8. utilize a cleaning method for serigraphy bad cleaning product line as claimed in claims 6 or 7, it is characterized in that, comprise the steps:
Step one: bad for serigraphy is placed in the conveying device (7) in feed arrangement (1);
Step 2: conveying device (7) the both sides positioner (9) be positioned on orbit (8) is drawn close to centre and is clipped in the middle bad for serigraphy under the drive of the first motor (11);
Step 3: described positioner (9) drives bad of serigraphy to enter infuser device (2), 2 ~ 3min is soaked in the cleaning fluid of infuser device (2), front flushing is carried out through front flusher (3), the angle of flushing water flow path direction and horizontal direction is less than 60 °, the speed of current is 0.3 ~ 0.6m/s, and water temperature is 30 ~ 60 DEG C;
Step 4: described positioner (9) drives bad of serigraphy to overturn 180 ° under the drive of the second motor (13), reverse side flushing is carried out again through reverse side flusher (4), the angle of flushing water flow path direction and horizontal direction is less than 60 °, the speed of current is 0.3 ~ 0.6m/s, and water temperature is 30 ~ 60 DEG C;
Step 5: bad of serigraphy is after drying unit (5) is dried, described positioner (9) under the drive of the first motor (11) to two lateral movements, bad of serigraphy is made to depart from fixing fixture block (20), drop in the conveying device (7) in described drawing mechanism (6), complete cleaning.
9. cleaning method as claimed in claim 8, it is characterized in that, the composition of the cleaning fluid in described infuser device (2) is the mixed liquor of NaOH and KOH, and its solution pH value is greater than 10.
10. cleaning method as claimed in claim 9, it is characterized in that, the composition of the cleaning fluid in described front flusher (3) and reverse side flusher (4) is the mixed liquor of hydrofluoric acid and nitric acid, and the volume ratio of nitric acid and hydrofluoric acid is 1:1 ~ 2.
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| CN102306683A (en) * | 2011-09-09 | 2012-01-04 | 浙江嘉毅能源科技有限公司 | Processing method of silicon chip reworked after screen printing |
| CN202741360U (en) * | 2012-09-07 | 2013-02-20 | 宁波尤利卡太阳能科技发展有限公司 | Automatic washer used for cleaning poor screen-printed substrate |
| CN205355007U (en) * | 2015-12-17 | 2016-06-29 | 欧贝黎新能源科技股份有限公司 | Bad piece of screen printing washs production line |
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Patent Citations (5)
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| US20100221867A1 (en) * | 2009-05-06 | 2010-09-02 | International Business Machines Corporation | Low cost soi substrates for monolithic solar cells |
| CN102208488A (en) * | 2011-04-28 | 2011-10-05 | 浙江鸿禧光伏科技股份有限公司 | Processing method of poor screen print sheet |
| CN102306683A (en) * | 2011-09-09 | 2012-01-04 | 浙江嘉毅能源科技有限公司 | Processing method of silicon chip reworked after screen printing |
| CN202741360U (en) * | 2012-09-07 | 2013-02-20 | 宁波尤利卡太阳能科技发展有限公司 | Automatic washer used for cleaning poor screen-printed substrate |
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