CN101879386B - Membrane slag filter - Google Patents
Membrane slag filter Download PDFInfo
- Publication number
- CN101879386B CN101879386B CN 200910302118 CN200910302118A CN101879386B CN 101879386 B CN101879386 B CN 101879386B CN 200910302118 CN200910302118 CN 200910302118 CN 200910302118 A CN200910302118 A CN 200910302118A CN 101879386 B CN101879386 B CN 101879386B
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- CN
- China
- Prior art keywords
- rotating shaft
- gear
- filter
- filter pocket
- slag
- 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.)
- Expired - Fee Related
Links
- 239000002893 slag Substances 0.000 title claims abstract description 52
- 239000012528 membrane Substances 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims 2
- 210000004027 cell Anatomy 0.000 abstract 6
- 210000005056 cell body Anatomy 0.000 abstract 2
- 238000000034 method Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 10
- 238000007790 scraping Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000009795 derivation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Filtration Of Liquid (AREA)
Abstract
The invention provides a membrane slag filter, comprising a main cell body, a filter cell arranged in the main cell body, a scraper blade which is arranged in the filter cell and contacts with the inner wall of the filter cell, a first rotating shaft which is fixedly connected with the filter cell to drive the filter cell to rotate and a second rotating shaft which is fixedly connected with the scraper blade to drive the scraper blade to rotate. The membrane slag filter also comprises a differential driving device which is connected with the first rotating shaft and the second rotating shaft to drive the first rotating shaft and the second rotating shaft to rotate at different rotation speeds and can enable the scraper blade and the filter cell to realize differential rotation.
Description
Technical field
The present invention relates to the printed circuit process technique, particularly a kind of membrane slag filter that stripper solution is carried out filtration treatment for printed circuit board (PCB) stripping processing procedure.
Background technology
Wet process (Wet Process) is as the manufacture craft of making in the circuit boards; with treatment fluid; be sprayed on the circuit substrate surface such as various chemical liquids or water, to realize plated-through-hole, copper facing, etching, development, stripping, to be coated with the technological processes such as organizational security cuticula, surface modification or cleaning.Document K.W.Lee, A.Viehbeck, Wet Process Surface Modification of Dielectric Polymers, IBM J.Research﹠amp; Development, 1994,38 (4) introduce and a kind ofly by wet process the insulating barrier in the circuit board and adhesive layer are carried out surface modifying method, to improve the adhesion of insulating barrier and metal interlevel in the circuit board.
Usually, use a large amount of chemical liquid and circuit substrate surfaces to react in the wet process, with the making of completing circuit plate.These a large amount of chemical liquids can produce a large amount of waste liquids after reaction, need to process with reusable edible, to reduce the pollution of environment and the waste of raw material.Take to film slag liquid waste processing in the stripping operation as example because stripping is to utilize stripping liquid medicine that the residual photosensitive film on circuit substrate surface is removed, thereby, can have a large amount of film slags in the stripping liquid medicine after light-sensitive surface is removed.Therefore, can cause very large waste if directly abandon this stripping liquid medicine that contains the film slag, and to environment.At present, usually directly adopt filter core that film slag waste liquid is filtered, yet owing to have a large amount of film slags in the film slag waste liquid, so that just deposit a large amount of film slags very soon in the filter core, thereby often need more renew cartridge.Because the filter core cost is higher, it has increased the cost of manufacture of circuit board indirectly simultaneously.
Therefore, be necessary to provide a kind of and in printed circuit board (PCB) stripping processing procedure, can reduce the filter core use amount, can carry out preferably the membrane slag filter of filtration treatment to stripper solution.
Summary of the invention
The below will illustrate a kind of membrane slag filter with specific embodiment.
A kind of membrane slag filter, comprise major trough body, be arranged on the interior filter pocket of major trough body, be arranged in this filter pocket and the scraper plate that contacts with this filter pocket inwall, be connected and fixed to drive the first rotating shaft that filter pocket rotates with filter pocket, be connected and fixed to drive the second rotating shaft that scraper plate rotates with scraper plate.This membrane slag filter comprises also and is connected to drive the differential drive device that the first rotating shaft and the second rotating shaft are rotated with different rotating speeds with the first rotating shaft and the second rotating shaft that this differential drive device can make scraper plate and filter pocket realize the differential rotation.
With respect to prior art, the first rotating shaft that the membrane slag filter of the technical program utilizes differential drive device to drive to be connected and fixed with filter pocket and rotate with different rotating speeds with the second rotating shaft that scraper plate is connected and fixed, so that realizing differential, scraper plate and filter pocket rotate, it utilizes filter pocket to rotate and filters stripper solution, scraper plate with the rotational speed different from filter pocket to scrape the film slag, the differential design of this scraper plate and filter pocket is the filter membrane slag effectively, and can not cause the accumulation of film slag, simple in structure, with respect to previous use filter element filtering stripper solution, it has often also saved the more cost of renew cartridge.
Description of drawings
Fig. 1 is the combination schematic diagram of the membrane slag filter that provides of the technical program the first embodiment.
Fig. 2 is the first decomposing schematic representation of the membrane slag filter of Fig. 1.
Fig. 3 is the second decomposing schematic representation of the membrane slag filter of Fig. 1.
Fig. 4 is the schematic diagram of the differential drive device of the membrane slag filter that provides of the technical program the second embodiment.
The specific embodiment
Be described in further detail below in conjunction with the membrane slag filter of drawings and Examples to the technical program.
See also Fig. 1 to Fig. 3, the membrane slag filter 100 that the technical program embodiment provides, comprise major trough body 10, be arranged on the filter pocket 20 in the major trough body 10, be used for stripper solution to be filtered is imported the guiding in channel 12 of filter pocket 20, be used for to filter the derivation runner 14 that stripper solution is derived from major trough body 10, be used for the slag-drip opening 16 for the discharge of film slag, be connected and fixed to drive the first rotating shaft 22 that filter pocket 20 rotates with filter pocket 20, the scraper plate 30 that can move along filter pocket 20 sidewalls, be connected and fixed to drive the second rotating shaft 32 that scraper plate 30 rotates with scraper plate 30, be connected to drive the differential drive device 40 that the first rotating shaft 22 and the second rotating shaft 32 are rotated with different rotating speeds with the first rotating shaft 22 and the second rotating shaft 32, thereby this differential drive device 40 can make filter pocket 20 and scraper plate 30 realize that differentials rotate.
Major trough body 10 has outer wall 102 and the diapire 104 that is connected.This diapire 104 offers axis hole 108 and slag-drip opening 16.Edge part 106 is connected with derivation runner 14.In the present embodiment, outer wall 102 is cylindric, and it has the edge part 106 that protrudes from this diapire 104.This axis hole 108 is positioned at the center of diapire 104, and slag-drip opening 16 is positioned at the edge of diapire 104.
The first rotating shaft 22 is connected and fixed with the diapire 204 of filter pocket 20.The center of diapire 204 is located in this first rotating shaft 22, and the first rotating shaft 22 is passed the axis hole 108 of major trough body 10 and extended to outside the major trough body 10.In the present embodiment, this first rotating shaft 22 is a hollow shaft, and its center offers a through hole 222.The first rotating shaft 22 can drive filter pocket 20 and rotate synchronously.
The second rotating shaft 32 is connected to a fixed with scraper plate 30.The second rotating shaft 32 is positioned on the central axis of filter pocket 20.The diameter of the second rotating shaft 32 is less than the aperture of the through hole 222 of the first rotating shaft 22, so that the second rotating shaft 32 can be passed the through hole 222 of the first rotating shaft 22 and the end of extending the first main shaft 22.The second rotating shaft 32 is stretched out major trough body 10 length outward and is stretched out major trough body 10 length outward greater than the first rotating shaft 22.
In addition, scraping blade 34 also can be arranged to other shape as the case may be, such as plane, arc surfaced etc.
In the present embodiment, suppose that the number of teeth of the first driving gear 42, the second driving gear 43, the first driven gear 44 and the second driven gear 45 is respectively Z
1, Z
2, Z
3, Z
4, the rotating speed of the main shaft of motor 41 is n, then the rotation speed n of the first main shaft 22
1=n Z
2/ Z
4, the rotation speed n of the second main shaft 32
2=n Z
1/ Z
3, the rotating ratio i=n of the first rotating shaft 22 and the second rotating shaft 32
1/ n
2=(Z
2Z
3)/(Z
1Z
4).For realizing that filter pocket 20 and the differential of scraper plate 30 rotate the rotating ratio i of the first rotating shaft 22 and the second rotating shaft 32 ≠ 1.In the present embodiment, the span of the rotating ratio i of the first rotating shaft 22 and the second rotating shaft 32 is 0.99～1.01, and i ≠ 1.In the span of the rotating ratio i of this first rotating shaft 22 and the second rotating shaft 32, the rotating speed of the first rotating shaft 22 and the second rotating shaft 32 differs in 1%, that is, scraper plate 30 can be in rotation relative filter pocket 20 to be less than or equal to 1% differential revolution.For example, when the rotating speed of the first rotating shaft 22 is 1600RPM(revolutions per minute), the rotating speed of the second rotating shaft 32 is 1590RPM(revolutions per minute) time, then the rotating speed of the rotating ratio filter pocket 20 of scraper plate 30 hangs down 10RPM, that is to say, relative filter pocket 20 public affairs of per scraper plate 30 meetings in 6 seconds turn around, because present embodiment middle scraper 30 is two-piece type, then scraper plate can be scraped one time the film slag 30 per 3 seconds, can increase like this time of film slag dehydration, so that the film slag that is scraped off is drier.Thereby, when filter pocket 20 rotates stripper solution with pending stripping liquid medicine when being thrown to major trough body 10 from filter opening 212, the film slag is thrown to the sidewall 202 of filter pocket 20,30 of scraper plates can utilize with the differential of filter pocket 20 and scrape the striping slag and the film slag is delivered to slag-drip opening 16 discharges, and stripper solution after filtering then can flow back to recycling from the derivation runner 14 of major trough body 10.
Certainly, differential drive device 40 also can adopt other gear combination mode to rotate to realize scraper plate 30 and the differential of filter pocket 20.
The membrane slag filter 100 that the membrane slag filter that the technical program the second embodiment provides and the first embodiment provide is roughly the same, and its difference is the change of differential drive device structure.See also Fig. 4, this differential drive device 240 comprises motor 241, gear shaft 2402, the first gear 242, the second gear 243, the first driven wheel 244 and the second driven wheel 245.Wherein, this motor 241 comprises that a main shaft 2401, the second rotating shafts 2032 extend an end of the first rotating shaft 2022 ends and be directly fixed to this main shaft 2401, thereby the rotating speed of this second rotating shaft 2032 is identical with the rotating speed of the main shaft 2401 of motor 241.In the present embodiment, this second rotating shaft 2032 is connected and fixed by the main shaft 2401 of axle sleeve 246 with motor 241.Certainly, the internal and external threads or the snap-in structure that cooperatively interact also can be set between the second rotating shaft 2032 and the main shaft 2401 is connected and fixed.Gear shaft 2402 also can be installed in (not shown) on the fixed mount by a bearing arrangement.
This first gear 242 is installed on the main shaft 2401, and this second gear 243 is installed in the first rotating shaft 2022.This gear shaft 2402 is positioned at a side of the first rotating shaft 2022.This first driven wheel 244 and the second driven wheel 245 are installed on the gear shaft 2402, and this first driven wheel 244, the second driven wheel 245 respectively with the first gear 242,243 engagements of the second gear.The gear ratio of this first gear 242 and the first driven wheel 244 is different with the gear ratio of the second gear 243 and the second driven wheel 245.Thereby motor 241 can be via main shaft 2401, the first gear 242, the first driven wheel 244, gear shaft 2402, the second driven wheel 245 and the second gear 243 with transmission of power to the first rotating shaft 2022, and so that the first rotating shaft 2022 and the second rotating shaft 2032 with different rotational speed.The two ends of this gear shaft 2402 can be installed in (not shown) on the fixed mount by bearing arrangement.
In addition, differential drive device also can be two motors with different rotating speeds, these two motors with different rotating speeds respectively with this first rotating shaft coupling that is connected with the second rotating shaft, to drive the first rotating shaft and the second rotating shaft with different rotational speed, realize the differential rotation of filter pocket and scraper plate.
Be understandable that above-mentioned differential drive device can also be other structures, it needs to realize that the first rotating shaft gets final product with different rotational speed from the second rotating shaft.
With respect to prior art, the first rotating shaft that the membrane slag filter of the technical program utilizes differential drive device to drive to be connected and fixed with filter pocket and rotate with different rotating speeds with the second rotating shaft that scraper plate is connected and fixed, so that realizing differential, scraper plate and filter pocket rotate, it utilizes filter pocket to rotate and filters stripper solution, scraper plate with the rotational speed different from filter pocket to scrape the film slag, the differential design of this scraper plate and filter pocket is the filter membrane slag effectively, and can not cause the accumulation of film slag, simple in structure, with respect to previous use filter element filtering stripper solution, it has often also saved the more cost of renew cartridge.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to the technical conceive of the technical program, and all these change the protection domain that all should belong to the technical program claim with distortion.
Claims (3)
1. membrane slag filter comprises:
Major trough body, this major trough body has continuous outer wall and diapire, and this outer wall is cylindric, and this outer wall has the edge part that protrudes from this diapire, and this diapire offers axis hole and slag-drip opening, and this axis hole is positioned at the center of this diapire, and this slag-drip opening is positioned at the edge of this diapire;
Derive runner, it is connected to be used for deriving the filtrate in this major trough body with this edge part;
Be arranged on the filter pocket cylindraceous that is in the major trough body, the diameter of this filter pocket is less than the diameter of this major trough body, this filter pocket is used for the filter membrane slag, this filter pocket has sidewall and diapire, this sidewall offers filter opening, the size of this filter opening setting is so that filtrate can be passed through, and the film slag then is blocked in the sidewall of this filter pocket, and the diapire of this filter pocket offers the opening corresponding with this slag-drip opening and discharges for the film slag in this filter pocket; Be arranged in this filter pocket and the scraper plate that contacts with this filter pocket inwall;
Be connected and fixed to drive the first rotating shaft that filter pocket rotates with filter pocket, the center of this filter pocket diapire is located in this first rotating shaft, and this first rotating shaft is passed this axis hole and extended to outside the major trough body, and this first rotating shaft is hollow shaft, and its center offers through hole;
Be connected and fixed to drive the second rotating shaft that scraper plate rotates with scraper plate, this second rotating shaft is positioned on the central axis of this filter pocket, the diameter of this second rotating shaft is less than the aperture of this through hole, this second rotating shaft is passed this through hole and is extended the end of this first rotating shaft, and this second rotating shaft is stretched out the outer length of major trough body and stretched out the outer length of major trough body greater than the first rotating shaft; And
Differential drive device, it comprises motor, gear shaft, the first gear, the second gear, the first driven wheel and the second driven wheel, this motor comprises a main shaft, the end that the first roller end is extended in this second rotating shaft is directly fixed to this main shaft, this first gear is installed on the main shaft, and between motor and the second gear, this second gear is installed in this first rotating shaft, and between the diapire and the first gear of this major trough body, this first driven wheel and the second driven wheel are installed on this gear shaft, and this first driven wheel, the second driven wheel respectively with this first gear, the engagement of the second gear, the gear ratio of this first gear and the first driven wheel is different with the gear ratio of the second gear and the second driven wheel, thereby motor can be via main shaft, the first gear, the first driven wheel, gear shaft, the second driven wheel and the second gear be transmission of power to the first rotating shaft, and so that the first rotating shaft and the second rotating shaft with different rotational speed.
2. membrane slag filter as claimed in claim 1 is characterized in that, the scope of the ratio of the rotating speed of the rotating speed of this first rotating shaft and the second rotating shaft is 0.99 ~ 1.01.
3. membrane slag filter as claimed in claim 1 is characterized in that, this scraper plate axially is the setting of spiral sheet the second rotating shaft, thereby the film slag that scraper plate scrapes can be from the bottom of this scraper plate along the helical trajectory landing to filter pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910302118 CN101879386B (en) | 2009-05-06 | 2009-05-06 | Membrane slag filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910302118 CN101879386B (en) | 2009-05-06 | 2009-05-06 | Membrane slag filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101879386A CN101879386A (en) | 2010-11-10 |
| CN101879386B true CN101879386B (en) | 2013-03-06 |
Family
ID=43051599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910302118 Expired - Fee Related CN101879386B (en) | 2009-05-06 | 2009-05-06 | Membrane slag filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101879386B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028536B (en) * | 2014-05-27 | 2017-03-29 | 上海展华电子有限公司 | Garbage decrement method |
| CN105664592B (en) * | 2016-04-18 | 2017-10-31 | 嘉兴锦浩环保科技有限公司 | A kind of filter core scrubbing unit of differential speed rotation |
| CN105907453B (en) * | 2016-06-28 | 2018-09-21 | 伊东新(德阳)线缆设备有限公司 | Rotating separation device |
| CN113118174A (en) * | 2020-01-16 | 2021-07-16 | 四会富仕电子科技股份有限公司 | Treatment method of circuit board film residues |
| CN111450604A (en) * | 2020-04-14 | 2020-07-28 | 段满红 | High efficiency sewage filters enrichment facility |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287056Y (en) * | 1996-07-16 | 1998-08-05 | 刘仲威 | Automatic vertical centrifuger for filtering flat strips |
| CN2696721Y (en) * | 2004-04-02 | 2005-05-04 | 张善平 | Synchronous wheel differential transmission device for horizontal screw centrifuger |
| CN201132086Y (en) * | 2007-08-02 | 2008-10-15 | 黄全红 | High-efficiency filter |
-
2009
- 2009-05-06 CN CN 200910302118 patent/CN101879386B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287056Y (en) * | 1996-07-16 | 1998-08-05 | 刘仲威 | Automatic vertical centrifuger for filtering flat strips |
| CN2696721Y (en) * | 2004-04-02 | 2005-05-04 | 张善平 | Synchronous wheel differential transmission device for horizontal screw centrifuger |
| CN201132086Y (en) * | 2007-08-02 | 2008-10-15 | 黄全红 | High-efficiency filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101879386A (en) | 2010-11-10 |
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Address after: 518103 Shenzhen Province, Baoan District Town, Fuyong Tong tail Industrial Zone, factory building, building 5, floor, 1 Applicant after: Fuku Precision Components (Shenzhen) Co., Ltd. Co-applicant after: Zhending Technology Co., Ltd. Address before: 518103 Shenzhen Province, Baoan District Town, Fuyong Tong tail Industrial Zone, factory building, building 5, floor, 1 Applicant before: Fuku Precision Components (Shenzhen) Co., Ltd. Co-applicant before: Honsentech Co., Ltd. |
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Owner name: HONGQISHENG PRECISION ELECTRONICS (QINHUANGDAO) CO Free format text: FORMER OWNER: FUKUI PRECISION ASSEMBLY (SHENZHEN) CO., LTD. Effective date: 20140903 |
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Effective date of registration: 20170628 Address after: 066000 No. 18 Tengfei Road, Qinhuangdao Economic Development Zone, Hebei, China Co-patentee after: Peng Ding Polytron Technologies Inc Patentee after: Hongqisheng Precision Electronic (Qinhuangdao) Co., Ltd. Address before: 066000 Qinhuangdao economic and Technological Development Zone, Hebei Tengfei Road, No. 18 Co-patentee before: Zhending Technology Co., Ltd. Patentee before: Hongqisheng Precision Electronic (Qinhuangdao) Co., Ltd. |
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