CN103611658B - A kind of thickness device for precision regulating of flat membrane casting equipment - Google Patents

A kind of thickness device for precision regulating of flat membrane casting equipment Download PDF

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Publication number
CN103611658B
CN103611658B CN201310590040.1A CN201310590040A CN103611658B CN 103611658 B CN103611658 B CN 103611658B CN 201310590040 A CN201310590040 A CN 201310590040A CN 103611658 B CN103611658 B CN 103611658B
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thickness
angled
lift splits
compression spring
flat membrane
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CN103611658A (en
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宋宏臣
王映品
王建明
奥拉夫·艾澈熙
杜如虚
余常友
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Guangzhou Institute of Advanced Technology of CAS
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Guangzhou Institute of Advanced Technology of CAS
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Abstract

The invention discloses a kind of thickness device for precision regulating of flat membrane casting equipment, comprise 1 scraper and 2 adjusting devices, scraper two ends are respectively equipped with supported portion, the bottom of described supported portion is inclined-plane, and described adjusting device comprises back-up block, angled-lift splits, compression spring, compression spring fixed block, thickness adjusting knob and calibration bolt; Described angled-lift splits is positioned on back-up block, is slidably connected with back-up block; Described angled-lift splits is connected with the bottom of supported portion, and the gradient of described angled-lift splits is identical with the gradient at supported portion top; The top of described supported portion is connected with compression spring, and described compression spring top is connected with compression spring fixed block; Described back-up block two ends are provided with side arm, and described side arm is provided with smooth circular hole, and the adjusting rod of described film adjusting knob is connected with angled-lift splits through described circular hole, and described calibration bolt is connected with angled-lift splits through circular hole described in another.The adjustment of thickness device for precision regulating to thickness of flat membrane casting equipment of the present invention is simple, and systematic error is little.

Description

A kind of thickness device for precision regulating of flat membrane casting equipment
Technical field
The present invention relates to membrane production equipment field, refer more particularly to a kind of thickness device for precision regulating of flat membrane casting equipment.
Background technology
Membrane separation technique is the novel isolation of purified technology of one developed rapidly in recent years.In water treatment procedure, be used for reaching the object being separated water pollutant by the microporous entrapment on film surface, general without phase transformation and secondary pollution in membrane separating process, can continued operation at normal temperatures, there is the advantages such as energy consumption is low, equipment volume is little, easy to operate.
Current known Flat Membrane preparation process is roughly divided into four parts: knifing, gel, heat treatment and winding, be specially: first dissolve polymer and associated additives form casting solution, then by guide wheel by base material as non-woven fabrics, paper substrates etc. input in forming machine, driven by the drive motors being arranged on input/output terminal, the casting film operation on its surface is completed in the continuous motion process of base material, in above-mentioned forming process, exporting the corresponding substrate arranged with the casting solution of hopper is the substrate roll that a rotation is arranged, along with base material is along the movement of this substrate roll, casting solution is salivated in substrate by discharging opening by skewed slot that its top is arranged uniformly, through being arranged on the doctor blade of discharging opening front end, film is made in solidification.To in the design process of knifing machine, thickness fine adjustment is topmost designing points.Regulate for thickness, traditional method adopts the clearance gauge of different size to control, and clearance gauge adjustment can cause larger systematic error, and clearance gauge adjustment process is more loaded down with trivial details, is unfavorable for enhancing productivity.How optimizing knifing machine thickness device for precision regulating is an important problem to be solved in knifing machine design process.
Summary of the invention
In order to solve the problem, the invention provides a kind of thickness device for precision regulating of flat membrane casting equipment.
To achieve these goals, the invention provides following technical scheme:
A kind of thickness device for precision regulating of flat membrane casting equipment, comprise 1 scraper and 2 adjusting devices, scraper two ends are respectively equipped with supported portion, the bottom of described supported portion is inclined-plane, and described adjusting device comprises back-up block, angled-lift splits, compression spring, compression spring fixed block, thickness adjusting knob and calibration bolt; Described angled-lift splits is positioned on back-up block, is slidably connected with back-up block; Described angled-lift splits is connected with the bottom of supported portion, and the gradient of described angled-lift splits is identical with the gradient at supported portion top; The top of described supported portion is connected with compression spring, and described compression spring top is connected with compression spring fixed block; Described back-up block two ends are provided with side arm, and described side arm is provided with smooth circular hole, and the adjusting rod of described film adjusting knob is connected with angled-lift splits through described circular hole, and described calibration bolt is connected with angled-lift splits through circular hole described in another.
Preferably, the gradient of described angled-lift splits is 1:10.
Preferably, be provided with guide runner bottom described angled-lift splits, described back-up block top is provided with guide rail, and described guide runner and described guide rail adopt matched in clearance.
Preferably, described back-up block top is provided with guide runner, is provided with guide rail bottom described angled-lift splits, and described guide runner and described guide rail adopt matched in clearance.
Preferably, described thickness adjusting knob is provided with even scale.
Preferably, the degree of regulation of described thickness adjusting knob is accurate to 1 micron.
Preferably, described supported portion top is provided with compression spring location shallow slot, is provided with compression spring locating slot bottom described compression spring fixed block.
Preferably, described angled-lift splits two ends are provided with threaded coaxial hole.
Preferably, described angled-lift splits lower end and described back-up block upper end dimensional tolerance grade are 7 grades, and surface roughness is 1.6.
Preferably, described compression spring pressure limit is 300N-700N.
Compared with prior art, the thickness device for precision regulating of flat membrane casting equipment of the present invention has following beneficial effect:
(1) by regulating thickness adjusting knob to control described angled-lift splits Linear-moving, and then control the adjustment that described scraper has been elevated pair of films product thickness, thickness regulates simple, can effectively reduce systematic error;
(2) thickness adjusting knob is provided with even scale, degree of regulation is accurate to 1 micron, more accurate to the adjustment of thickness;
(3) compression spring and angled-lift splits acting in conjunction, make scraper compacted, ensures that scraper is scraping in membrane process and can not moving up and down, and further ensure that the accuracy of knifing thickness.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of thickness device for precision regulating first embodiment of flat membrane casting equipment of the present invention.
Fig. 2 is the top view of thickness device for precision regulating first embodiment of flat membrane casting equipment of the present invention.
Fig. 3 is the left view of thickness device for precision regulating first embodiment of flat membrane casting equipment of the present invention.
Fig. 4 is the profile of the compression spring fixed block of thickness device for precision regulating first embodiment of flat membrane casting equipment of the present invention.
Fig. 5 is the left view of the angled-lift splits of thickness device for precision regulating first embodiment of flat membrane casting equipment of the present invention.
Drawing reference numeral illustrates:
1 back-up block; 5 compression spring fixed blocks; 9 guide rails;
2 angled-lift splitses; 6 thickness adjusting knobs; 10 guide runners;
3 scrapers; 7 bracing frames; 11 side arms;
4 compression springs; 8 compression spring locating slots; 12 calibration bolts.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the thickness device for precision regulating of flat membrane casting equipment, comprises 1 scraper 3 and 2 adjusting devices; Scraper 3 two ends are respectively equipped with supported portion 3, and the bottom of described supported portion 31 is inclined-plane, and the top of described supported portion 31 is plane, and the top of described supported portion 31 is provided with compression spring location shallow slot.
As shown in Figure 1 and Figure 4, each adjusting device comprises back-up block 1, angled-lift splits 2, compression spring 4, compression spring fixed block 5, thickness adjusting knob 6 and calibration bolt 12; Described back-up block 1 is adopted with described compression spring fixed block 5 and is bolted in flat membrane casting equipment frame, and described angled-lift splits 2 is positioned on back-up block 1, is slidably connected with back-up block 1; Described angled-lift splits 2 is connected with the bottom of supported portion 31, and the gradient of described angled-lift splits 2 is identical with the gradient at supported portion 31 top; The top of described supported portion 31 is connected with compression spring 4, and described compression spring 4 top is connected with compression spring fixed block 5, is provided with compression spring locating slot 8 bottom described compression spring fixed block 5.
As shown in Figure 1 and Figure 5, described back-up block 1 supports miscellaneous part, and back-up block 1 and angled-lift splits 2 adopt guide rail and guide runner matched in clearance, and fit tolerance is H7/g6; Guide rail and guide runner matched in clearance are specially: be provided with guide runner 10 bottom described angled-lift splits 2, and described back-up block 1 top is provided with guide rail 9, and described guide runner 10 adopts matched in clearance with described guide rail 9.
Described back-up block 1 two ends are provided with side arm 11, and described side arm 11 is provided with smooth circular hole, and the adjusting rod of described film adjusting knob 6 is connected with angled-lift splits 2 through described circular hole; Described calibration bolt is connected with angled-lift splits through circular hole described in another, stability when described calibration bolt 12 ensures that angled-lift splits 2 moves linear and fixing.Described thickness adjusting knob 6 is provided with the even scale of 100 lattice altogether, and minimum scale is 1 micron, and degree of regulation can be accurate to 1 micron; Described angled-lift splits 2 two ends are provided with threaded coaxial hole and rotate described thickness adjusting knob 6, by the cooperation of adjusting rod and threaded coaxial hole, and the calibration bolt of turn simultaneously, mobile described angled-lift splits 2.
The pressure of described compression spring 4 is checked through calculating, and single spring pressure is 400N, at compression spring 4, compression spring fixed block 5 with under the acting in conjunction of angled-lift splits, makes described scraper 3 keep stable scraping membrane process, can not vertical tremor.
Selection maximum pressure is the compression spring 4 of 400N, and angled-lift splits 2 gradient is designed to 1:10 by calculating.Before knifing, film thickness is scraped in setting is 0.02mm, thickness adjusting knob 6 turn 20 lattice, the calibration bolt of turn simultaneously, angled-lift splits 2 moves forward 0.2 millimeter, because angled-lift splits 2 gradient is 1:10, therefore be subject to the impact of angled-lift splits 2 movement, the raised 0.02mm of scraper 3, under the effect of compression spring 4 and angled-lift splits 2 upper surface, scraper 3 is compacted, and ensure to scrape in membrane process and can not move up and down, thus ensure that knifing thickness is 0.02mm.
By the thickness device for precision regulating of flat membrane casting equipment of the present invention, adopt the graduated single thickness adjusting knob of panel band to regulate and scrape film thickness, the error that film thickness produces is scraped in the control of reduction clearance gauge, make regulative mode simple and easy to do, and the thickness device for precision regulating of flat membrane casting equipment of the present invention is handsome in appearance, structure simple, is applicable to the optimization of all types of flat membrane casting equipment.
Embodiment 2
Back-up block 1 and angled-lift splits 2 adopt guide rail and guide runner matched in clearance, and fit tolerance is H7/g6; Guide rail and guide runner matched in clearance are specially: described back-up block 1 top is provided with guide runner 10, is provided with guide rail 9 bottom described angled-lift splits 2, and described guide runner 10 adopts matched in clearance with described guide rail 9.The pressure of described single compression spring 4 is 700N.Unspecified part in the present embodiment is identical with embodiment 1.
Selection maximum pressure is the compression spring 4 of 700N, and angled-lift splits 2 gradient is designed to 1:10 by calculating.Before knifing, film thickness is scraped in setting is 0.06mm, thickness adjusting knob 6 turn 60 lattice, the calibration bolt of turn simultaneously, angled-lift splits 2 moves forward 0.6 millimeter, because angled-lift splits 2 gradient is 1:10, therefore be subject to the impact of angled-lift splits 2 movement, the raised 0.06mm of scraper 3, under the effect of compression spring 4 and angled-lift splits 2 upper surface, scraper 3 is compacted, and ensure to scrape in membrane process and can not move up and down, thus ensure that knifing thickness is 0.06mm.
The above embodiment only have expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (9)

1. the thickness device for precision regulating of a flat membrane casting equipment, it is characterized in that: comprise 1 scraper and 2 adjusting devices, scraper two ends are respectively equipped with supported portion, the bottom of described supported portion is inclined-plane, and described adjusting device comprises back-up block, angled-lift splits, compression spring, compression spring fixed block, thickness adjusting knob and calibration bolt; Described angled-lift splits is positioned on back-up block, is slidably connected with back-up block; Described angled-lift splits is connected with the bottom of supported portion, and the gradient of described angled-lift splits is identical with the gradient bottom supported portion; The top of described supported portion is connected with compression spring, and described compression spring top is connected with compression spring fixed block; Described back-up block two ends are provided with side arm, and described side arm is provided with smooth circular hole, and the adjusting rod of described thickness adjusting knob is connected with angled-lift splits through described circular hole, and described calibration bolt is connected with angled-lift splits through circular hole described in another.
2. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, is characterized in that: the gradient of described angled-lift splits is 1:10.
3. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, it is characterized in that: be provided with guide runner bottom described angled-lift splits, described back-up block top is provided with guide rail, described guide runner and described guide rail adopt matched in clearance.
4. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, is characterized in that: described back-up block top is provided with guide runner, is provided with guide rail bottom described angled-lift splits, and described guide runner and described guide rail adopt matched in clearance.
5. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, is characterized in that: described thickness adjusting knob is provided with even scale.
6. the thickness device for precision regulating of flat membrane casting equipment according to claim 1 or 5, is characterized in that: the degree of regulation of described thickness adjusting knob is accurate to 1 micron.
7. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, is characterized in that: described supported portion top is provided with compression spring location shallow slot, is provided with compression spring locating slot bottom described compression spring fixed block.
8. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, is characterized in that: described angled-lift splits two ends are provided with threaded coaxial hole.
9. the thickness device for precision regulating of flat membrane casting equipment according to claim 1, is characterized in that: described compression spring pressure limit is 300N-700N.
CN201310590040.1A 2013-11-20 2013-11-20 A kind of thickness device for precision regulating of flat membrane casting equipment Active CN103611658B (en)

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CN104399648B (en) * 2014-11-12 2017-11-24 南京华印半导体有限公司 A kind of flexible scraper coating method for solwution method film preparation
CN104923438A (en) * 2015-06-27 2015-09-23 海润光伏科技股份有限公司 Automatic glue floating device and application method thereof
CN105413950B (en) * 2016-01-15 2018-03-02 浙江百得利制革有限公司 A kind of balance-type scraper coating device
CN106111460B (en) * 2016-08-31 2017-11-28 宜昌新成石墨有限责任公司 Double spread system
CN106824671B (en) * 2016-12-28 2019-03-12 兰州空间技术物理研究所 A kind of tooling and method suitable for the coating of Image processing source black matrix absorbing material
CN111266247A (en) * 2018-12-05 2020-06-12 广州中国科学院先进技术研究所 Continuous flat film scraping machine
CN111530688B (en) * 2020-05-09 2021-08-24 广东博智林机器人有限公司 Scribble and scrape mechanism and coating device

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CN201304386Y (en) * 2008-12-01 2009-09-09 王建 High precision small-sized flat-plate film blade for scientific research
CN201470568U (en) * 2009-08-25 2010-05-19 中国科学院上海应用物理研究所 Automatic coating film blade
CN101712021A (en) * 2009-03-26 2010-05-26 程建军 Device capable of automatically adjusting coating machine scraper gap
CN202933833U (en) * 2012-11-02 2013-05-15 宁波大学 Automatic flat plate type film applicator

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201304386Y (en) * 2008-12-01 2009-09-09 王建 High precision small-sized flat-plate film blade for scientific research
CN101712021A (en) * 2009-03-26 2010-05-26 程建军 Device capable of automatically adjusting coating machine scraper gap
CN201470568U (en) * 2009-08-25 2010-05-19 中国科学院上海应用物理研究所 Automatic coating film blade
CN202933833U (en) * 2012-11-02 2013-05-15 宁波大学 Automatic flat plate type film applicator

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