CN203077611U - Variable track transverse drawing mechanism for preparing PTFE (Polytetrafluoroethylene) film - Google Patents
Variable track transverse drawing mechanism for preparing PTFE (Polytetrafluoroethylene) film Download PDFInfo
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- CN203077611U CN203077611U CN 201320027040 CN201320027040U CN203077611U CN 203077611 U CN203077611 U CN 203077611U CN 201320027040 CN201320027040 CN 201320027040 CN 201320027040 U CN201320027040 U CN 201320027040U CN 203077611 U CN203077611 U CN 203077611U
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- variable track
- ptfe
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- directional stretch
- cross directional
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Abstract
The utility model relates to PTFE (Polytetrafluoroethylene) multifunctional film preparing equipment, and in particular relates to a variable track transverse drawing mechanism for preparing a PTFE film, mainly solving the technical problems that in the prior art, the drawing effect is poor, the thicknesses of the PTFE films are different, the quality of a product is poor, and the like as the amplitude in transverse drawing cannot be freely adjusted according to demands when the PTFE films are drawn. The variable track transverse drawing mechanism comprises an uncoiling shaft (1) which can be used for uncoiling the PEFT multifunctional film, and is characterized in that a transverse beam (2) is arranged at the film outlet of the uncoiling shat (1); a roller (3) is arranged on the transverse beam; the roller is connected with a fixing block (4); the fixing block is connected with a multi-section variable track (8) through a base (6) and a moving sleeve (7); a plurality of cloth clips (9) are arranged at two sides of the variable track; and the cloth clips are connected with a transmission mechanism.
Description
Technical field
The utility model relates to a kind of PTFE multifunctional membrane manufacturing equipment, especially relates to a kind of variable track cross directional stretch mechanism of the PTFE of preparation film.
Background technology
Polytetrafluoroethylmaterial material has performances such as excellent chemically-resistant, heatproof, insulation, sticking and self-lubricating, has great use value in fields such as medicine, industry and environmental protection.In recent years, the application of high-performance poly tetrafluoroethene biaxial stretching film and exploitation have been obtained paying attention to widely, wherein cross directional stretch PTFE equipment is key equipment, and the cross directional stretch equipment of high-quality high automation mainly still relies on import at present.Chinese patent disclose a kind of expanding microporous poly tetrafluoroethylene the preparation method (publication number: CN 101007242A), it comprises: batch mixing, striking adobe, extrude, vertical draw, the horizontal operation of drawing, in extruding operation, adopt the die head of flat pattern mouth mould; Extruding and vertical drawing increased calendering operation together between the operation, concrete steps are as follows: (1) batch mixing: polyflon and the auxiliary agent raw material chosen are fully stirred; (2) striking adobe: will be through the even mixed raw material of last process, under 40 ℃ of temperature, fully soak into after inserting baking oven, make the column base substrate by pre-shaping device; (3) extrude: adopt the die head flat-die of pancake mouth mould to extrude, extrude load pressure and be controlled at 3-4Mpa, extruded velocity is 1-5m/min, makes the column base substrate be transformed into the flat belt-like sheet material; (4) calendering: with the flat belt-like sheet material of extruding is that hauling speed is 1-5m/min under the pressure roller effect of 20-30Kg/cm at linear pressure, is made into the broadband that thickness is 150-500 μ m; (5) vertical drawing: with the broadband that last process makes, under 100 ℃-250 ℃ temperature, vertical drawing is prepared into the vertical base band of drawing; (6) horizontal drawing: the vertical base band of drawing with last process makes at 50 ℃ of-350 ℃ of following cross directional stretch, at 340 ℃ of-370 ℃ of curing moldings, makes the ePTFE film.But this method amplitude of free adjustment cross directional stretch as required when stretching PTFE film, thus make drawing effect relatively poor, the variable thickness of PTFE film, product quality is relatively poor.
The utility model content
The utility model provides a kind of variable track cross directional stretch mechanism of the PTFE of preparation film, it mainly is to solve existing in prior technology amplitude of free adjustment cross directional stretch as required when stretching PTFE film, thereby make drawing effect relatively poor, the variable thickness of PTFE film, the technical problem of the relatively poor grade of product quality.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of variable track cross directional stretch mechanism for preparing the PTFE film of the present utility model, comprise the unreeling shaft that can unreel the PTFE multifunctional membrane, the film exit of described unreeling shaft is provided with crossbeam, crossbeam is provided with roller, roller is connected with fixed block, fixed block is connected with the multistage variable track by base, movable sleeve, and the both sides of variable track are provided with some cloth clips, and the cloth clip connects transmission mechanism.The utility model can be used for being specially adapted in the cross directional stretch of PTFE biaxial stretching film in the cross directional stretch technology of textile machinery industry.The utility model structure is by the unwinding device that has magnetic powder cluth and automatic centering function, expanding cylinder; Baking oven, track and screw mandrel adjusting device; Device such as rubber cylinder and rolling is formed.Basement membrane all is to clamp operation automatically at operation cloth clip in orbit, unclamps to the place of unreeling at last.This variable track cross directional stretch mechanism can be stretched the wide cut of film be 1.4-2.2m, its operating rate is 3-20m/min, track angle angle is 15-45 °, can satisfy the process conditions of the cross directional stretch of the two-way film of PTFE.
As preferably, described transmission mechanism is a driving-chain, and the cloth clip is connected on the driving-chain, and driving-chain connects drive motors.Driving-chain moves in the convex groove the inside circulation of variable track, and the cloth clip that drives on the chain turns round along orbital cycle.
As preferably, be provided with the expanding axle between described unreeling shaft and the crossbeam.
As preferably, described unreeling shaft place is provided with magnetic powder cluth.
As preferably, the film exit of described crossbeam is provided with rubber cylinder.It carries out rolling by the wind-up roll with the fine-tuning rolling speed ratio of track synchronous operation.
As preferably, described variable track is that cast iron is made.Variable track is mainly formed by sectional iron casting, and it all has the groove of convex above cast iron, and major function provides the running orbit of cloth clip driving-chain.
As preferably, cross-under has screw mandrel on the described fixed block.The inside and outside adjusting of moving can be carried out by screw mandrel in every section junction of variable track, reaches the adjusting purpose that changes the variable track running orbit significantly.The screw mandrel process conditions of product is as required regulated rate of extension and draw ratio.
Therefore, track of the present utility model is made up of the multistage cast iron section.The inside and outside adjusting of moving can be carried out by screw mandrel in its every section junction, reaches the adjusting purpose that changes the orbital motion track significantly, can satisfy the cross directional stretch process adjustments of PTFE biaxial stretching film, and is simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is that the A of Fig. 1 is to structural representation.
Parts, position and numbering among the figure: unreeling shaft 1, crossbeam 2, roller 3, fixed block 4, screw mandrel 5, base 6, movable sleeve 7, variable track 8, cloth clip 9, expanding axle 10, magnetic powder cluth 11, rubber cylinder 12, PTFE multifunctional membrane 13.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of variable track cross directional stretch mechanism for preparing the PTFE film of this example, as Fig. 1, Fig. 2, comprise the unreeling shaft 1 that can unreel the PTFE multifunctional membrane, the unreeling shaft place is provided with magnetic powder cluth 11.The film exit of unreeling shaft is provided with expanding axle 10, crossbeam 2, and crossbeam is provided with roller 3, and roller is connected with fixed block 4, and cross-under has screw mandrel 5 on the fixed block.Fixed block is connected with multistage variable track 8 by base 6, movable sleeve 7, and variable track is that cast iron is made.The both sides of variable track are provided with some cloth clips 9, and the cloth clip connects transmission mechanism.Transmission mechanism is a driving-chain, and cloth clip 9 is connected on the driving-chain, and driving-chain connects drive motors.The film exit of crossbeam is provided with rubber cylinder 12.
During use, automatic centring device and the magnetic powder cluth 11 of PTFE multifunctional membrane by unreeling shaft 1 carried out the centering adjusting and puts the band degree of tightness regulating.To carry out the PTFE multifunctional membrane then delivers to expanding axle 10 places and shakeouts with expanding and handle.The cloth clip 9 that operates on the variable track 8 is clamped the PTFE multifunctional membrane automatically, carrying out inside and outside moving by screw mandrel 5 regulates, reach the adjusting purpose that changes the variable track running orbit significantly, thereby adjust the draw ratio of PTFE multifunctional membrane, the film that stretches after finishing is sent into rolling by rubber cylinder 12.
The above only is a specific embodiment of the utility model, but architectural feature of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and variation of being done or modification all are encompassed among the claim of the present utility model.
Claims (7)
1. variable track cross directional stretch mechanism for preparing the PTFE film, comprise the unreeling shaft (1) that can unreel the PTFE multifunctional membrane, the film exit that it is characterized in that described unreeling shaft (1) is provided with crossbeam (2), crossbeam is provided with roller (3), roller is connected with fixed block (4), fixed block is connected with multistage variable track (8) by base (6), movable sleeve (7), and the both sides of variable track are provided with some cloth clips (9), and the cloth clip connects transmission mechanism.
2. a kind of variable track cross directional stretch mechanism for preparing the PTFE film according to claim 1 is characterized in that described transmission mechanism is a driving-chain, and cloth clip (9) is connected on the driving-chain, and driving-chain connects drive motors.
3. a kind of variable track cross directional stretch mechanism for preparing the PTFE film according to claim 1 and 2 is characterized in that being provided with expanding axle (10) between described unreeling shaft (1) and the crossbeam (2).
4. a kind of variable track cross directional stretch mechanism for preparing the PTFE film according to claim 1 and 2 is characterized in that described unreeling shaft (1) locates to be provided with magnetic powder cluth (11).
5. a kind of variable track cross directional stretch mechanism for preparing the PTFE film according to claim 1 and 2 is characterized in that the film exit of described crossbeam (2) is provided with rubber cylinder (12).
6. a kind of variable track cross directional stretch mechanism for preparing the PTFE film according to claim 1 and 2 is characterized in that described variable track (8) makes for cast iron.
7. a kind of variable track cross directional stretch mechanism for preparing the PTFE film according to claim 1 and 2 is characterized in that the last cross-under of described fixed block (4) has screw mandrel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027040 CN203077611U (en) | 2013-01-18 | 2013-01-18 | Variable track transverse drawing mechanism for preparing PTFE (Polytetrafluoroethylene) film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027040 CN203077611U (en) | 2013-01-18 | 2013-01-18 | Variable track transverse drawing mechanism for preparing PTFE (Polytetrafluoroethylene) film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203077611U true CN203077611U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320027040 Expired - Lifetime CN203077611U (en) | 2013-01-18 | 2013-01-18 | Variable track transverse drawing mechanism for preparing PTFE (Polytetrafluoroethylene) film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203077611U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085101A (en) * | 2014-07-02 | 2014-10-08 | 湖南紫皇冠新能源技术服务有限公司 | Uniaxial tension micro-pore forming equipment for battery diaphragm |
| CN112497696A (en) * | 2020-12-01 | 2021-03-16 | 朱舒畅 | Production process of nano material modified polyolefin resin film |
| CN114228121A (en) * | 2022-02-24 | 2022-03-25 | 佛山市盟思拉伸机械有限公司 | Stretching device for improving synchronism of film at stretching initial section |
| CN114368176A (en) * | 2022-01-14 | 2022-04-19 | 宿迁市金田塑业有限公司 | Preparation process and automatic production line of biaxially oriented polyethylene heat-sealing film |
-
2013
- 2013-01-18 CN CN 201320027040 patent/CN203077611U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085101A (en) * | 2014-07-02 | 2014-10-08 | 湖南紫皇冠新能源技术服务有限公司 | Uniaxial tension micro-pore forming equipment for battery diaphragm |
| CN112497696A (en) * | 2020-12-01 | 2021-03-16 | 朱舒畅 | Production process of nano material modified polyolefin resin film |
| CN112497696B (en) * | 2020-12-01 | 2022-11-15 | 深圳市英诺美达科技有限公司 | Production process of nano material modified polyolefin resin film |
| CN114368176A (en) * | 2022-01-14 | 2022-04-19 | 宿迁市金田塑业有限公司 | Preparation process and automatic production line of biaxially oriented polyethylene heat-sealing film |
| CN114368176B (en) * | 2022-01-14 | 2023-07-04 | 宿迁市金田塑业有限公司 | Preparation process and automatic assembly line of biaxially oriented polyethylene heat-sealing film |
| CN114228121A (en) * | 2022-02-24 | 2022-03-25 | 佛山市盟思拉伸机械有限公司 | Stretching device for improving synchronism of film at stretching initial section |
| CN114228121B (en) * | 2022-02-24 | 2022-05-13 | 佛山市盟思拉伸机械有限公司 | Stretching device for improving synchronism of thin film at stretching initial section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170214 Address after: 311255 Hangzhou Town, Xiaoshan District, Zhejiang, Pu Yang Town, Taoyuan Patentee after: ZHEJIANG CPS CATHAY PACKING & SEALING CO.,LTD. Address before: 311255 Zhejiang, Xiaoshan City, the town of Yang Yang Lake Village Patentee before: Zhejiang Guotai Sealing Material Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |