CN1486836A - Bidirectional mechanical film stretcher - Google Patents
Bidirectional mechanical film stretcher Download PDFInfo
- Publication number
- CN1486836A CN1486836A CNA031276741A CN03127674A CN1486836A CN 1486836 A CN1486836 A CN 1486836A CN A031276741 A CNA031276741 A CN A031276741A CN 03127674 A CN03127674 A CN 03127674A CN 1486836 A CN1486836 A CN 1486836A
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- CN
- China
- Prior art keywords
- film
- programmable controller
- speed
- performance parameter
- monitoring system
- 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.)
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Abstract
The bi-directional mechanical film stretcher has one electric roller combination with upper and lower rollers to clamp the two edges of polymer film; and film performance parameter monitoring system connected to the progammable controller to control the rotation speed of the rollers. By means of the film performance parameter monitoring system to produce signal, the programmable controller and variable frequency speed regulator, the speed of individual electric roller may be controlled alone to reach the free regulation of longitudinal stretching ratio. The present invention has simple roller combination controlling system, low cost and wide application foreground.
Description
Technical field
The invention belongs to a kind of mechanical type film biaxial tension device.Be particularly related to a kind of mechanical transmission-type polymer film plane bidirectional extending device.
Background technology
Plane bidirectional extending plastic sheeting (BOPF) has intensity height, characteristics such as heat-resisting and cold-resistant, and biaxial tension method (one-off drawing method) has film and do not have advantages such as scuffing, the high grade of transparency, uniform film thickness simultaneously." " bidirectional stretching plastic film " 1999; Yin Yanping chief editor, Chemical Industry Press " disclosed existing while biaxial tension equipment mainly contains up and down the leather belt roller opposite-compacting type, stretches bent chain-type, screw drive formula, roller group longitudinal stretching-guide rail cross directional stretch combined type and line style magnetoelectricity driven type.And the one-off drawing method is not popularized in the big production of film as yet so far, and its main cause is: the longitudinal stretching multiple of leather belt roller opposite-compacting type is non-adjustable up and down, and production efficiency is low; And the transmission system of other several equipment and vertical multiple regulating system are very complicated; The longitudinal stretching multiple is difficult for excessive; The price of equipment is very expensive, though wherein line style magnetoelectricity driven type can to realize longitudinal stretching more expensive more than the cost of freely adjusting (can realize Flexible Control to anchor clamps operations) its equipment, and the control instability of its anchor clamps speed of service.
Summary of the invention
The objective of the invention is to propose a kind of mechanical type film biaxial tension device.
The present invention adopts electronic roller group, the two edges of polymer film are clipped in up and down move between the roller, the monitoring performance parameter system of film links to each other with the programmable controller of each roller rotating speed of control, utilize the input signal of film performance parameter surveillance, programmable controller and variable-frequency governor can be to the independent controls of each electronic roller speed, thereby reaching longitudinal stretching adjusts than freely, the control system simple possible of this device roller group rotating speed, cost is low, effectively overcomes line style magnetoelectricity driven type anchor clamps speed of service problem of unstable.
The specific embodiment
Embodiment of the present invention are as follows in conjunction with the accompanying drawings:
Accompanying drawing 1 is a mechanical type film biaxial tension device schematic diagram, and wherein (1) is the vertical view of this device, and (2) cut schematic diagram for the side of (1) edge A-A section.
Among the figure: (1) polymer film, (2) variable-frequency governor, (3) programmable controller, (4) film properties detection system, (5) electronic roller group.
Film properties detection system (4) and programmable control in the mechanical type film two-way stretch device Device processed (3) links to each other, and is equipped with between programmable controller (3) and the electronic roller group (5) Live roll variable-frequency governor (2), electronic roller is equidistantly arranged, and polymer film (1) is electronic The roller group is passed through between (5).
Operating process is that polymer film (1) is introduced by the B direction, enters before the A-A section, with Uniform motion, enter the A-A section after, the edge carries out biaxial tension roller up and down to depressing, By the longitudinal stretching of the rotating speed of each roller of programmable controller controls and then control film (1) than and Draw speed, and, owing to the rotating speed of each roller is controlled respectively, so to the longitudinal stretching ratio Can freely realize with the regulation and control of draw speed. But the cost of the present invention's decrease equipment, for Big production is popularized and is provided convenience.
Claims (1)
1. mechanical type film biaxial tension device, it is characterized in that performance detecting system (4) links to each other with programmable controller (3), between programmable controller (3) and the electronic roller group (5) live roll variable-frequency governor (2) is housed, electronic roller is equidistantly arranged, and polymer film (1) passes through between electronic roller group (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031276741A CN1486836A (en) | 2003-08-12 | 2003-08-12 | Bidirectional mechanical film stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031276741A CN1486836A (en) | 2003-08-12 | 2003-08-12 | Bidirectional mechanical film stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1486836A true CN1486836A (en) | 2004-04-07 |
Family
ID=34153224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031276741A Pending CN1486836A (en) | 2003-08-12 | 2003-08-12 | Bidirectional mechanical film stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1486836A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066088A (en) * | 2008-04-24 | 2011-05-18 | 户谷技研工业株式会社 | Plastic film drawing device |
| CN103687714A (en) * | 2011-06-10 | 2014-03-26 | 台斯尔技术公司 | Clip for stretching a film |
| CN103878972A (en) * | 2012-08-13 | 2014-06-25 | 南通天丰电子新材料有限公司 | Pinch roller contact-type synchronous drawing apparatus for separation membrane production |
| CN106378925A (en) * | 2016-12-05 | 2017-02-08 | 北京化工大学 | Bidirectional stretching device for material |
| CN108189379A (en) * | 2018-01-22 | 2018-06-22 | 苏州博铭晟新材料有限公司 | A kind of PVC film single-direction and dual-direction stretches process units |
-
2003
- 2003-08-12 CN CNA031276741A patent/CN1486836A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102066088A (en) * | 2008-04-24 | 2011-05-18 | 户谷技研工业株式会社 | Plastic film drawing device |
| CN102066088B (en) * | 2008-04-24 | 2013-05-22 | 户谷技研工业株式会社 | Plastic film drawing device |
| CN103687714A (en) * | 2011-06-10 | 2014-03-26 | 台斯尔技术公司 | Clip for stretching a film |
| CN103878972A (en) * | 2012-08-13 | 2014-06-25 | 南通天丰电子新材料有限公司 | Pinch roller contact-type synchronous drawing apparatus for separation membrane production |
| CN106378925A (en) * | 2016-12-05 | 2017-02-08 | 北京化工大学 | Bidirectional stretching device for material |
| CN108189379A (en) * | 2018-01-22 | 2018-06-22 | 苏州博铭晟新材料有限公司 | A kind of PVC film single-direction and dual-direction stretches process units |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |