CN202007043U - Polytetrafluoroethylene film longitudinal stretching machine set - Google Patents
Polytetrafluoroethylene film longitudinal stretching machine set Download PDFInfo
- Publication number
- CN202007043U CN202007043U CN 201120060309 CN201120060309U CN202007043U CN 202007043 U CN202007043 U CN 202007043U CN 201120060309 CN201120060309 CN 201120060309 CN 201120060309 U CN201120060309 U CN 201120060309U CN 202007043 U CN202007043 U CN 202007043U
- Authority
- CN
- China
- Prior art keywords
- polytetrafluoroethylene film
- unreeling
- longitudinal stretching
- plc
- roll
- 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 - Lifetime
Links
Images
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model provides a polytetrafluoroethylene film longitudinal stretching machine set, which can produce polytetrafluoroethylene films with uniform thicknesses and high air permeability, and has the advantages of less waste and low energy consumption. The longitudinal drawing machine set comprises an unreeling machine, a multi-roller deoiling furnace, a multi-point stretching furnace and a reeling machine; the unreeling machine comprises an unreeling roller, an unreeling motor, an unreeling frequency converter used for controlling the unreeling motor, and an unreeling tension monitoring device, the output of the unreeling tension monitoring device is connected with a PLC (Programmable Logic Controller), and the output of the PLC is connected with the unreeling frequency converter; and the reeling machine comprises a reeling roller, a reeling motor, a reeling frequency converter and a reeling tension monitoring device, the output of the reeling tension monitoring device is connected with the PLC, and the output of the PLC is connected with the reeling frequency converter.
Description
Technical field
The utility model relates to the longitudinal stretching unit to the polytetrafluoroethylene film biaxial tension, specifically, is a kind of polytetrafluoroethylene breathable films longitudinal stretching equipment.
Background technology
The vertical machine drawing of the polytetrafluoroethylene film of selling on the market normally is used for making raw material band,---de-oiling---longitudinal stretching---rolling of taking following technology: unreel.As shown in Figure 1, it is mainly formed: comprise let off roll, magnetic-powder clutch unreeling machine 1, comprise the de-oiling roller desizer 2, comprise draw roll stretching furnace 3, comprise wind-up roll, drive the winder 4 of the torque motor that wind-up roll rotates.
There is following defective in this kind equipment: one, passive unreeling, unwinding tension is manually controlled with magnetic-powder clutch, rolling tension force is controlled with torque motor, this pattern is accurate inadequately to unwinding and rewinding Tension Control and the control of permanent linear speed that the coil diameter variation is arranged, causes membrane thickness unevenness easily, also because the efficient working range of torque motor is limited, be not easy to spool after making roll diameter increase, also promptly of poor quality, production efficiency and yield rate are all low.Its two, the draw roll spacing in the longitudinal stretching stove is too big, almost has about 1 meter, causes lateral contraction easily, " constriction " that promptly is commonly called as is close mutually because of lateral contraction between microfiber, and the effective aperture is diminished, and reduces stretching efficient and permeability to air.
And polyfluortetraethyleventilated ventilated membrane need possess higher permeability to air, and thickness is even, and suitability for industrialized production requires large package to reduce the waste that frequent change of lap joint produces, and reduces production costs.Obviously, this equipment can not satisfy the making requirement of polyfluortetraethyleventilated ventilated membrane.
The utility model content
The purpose of this utility model provides that a kind of polytetrafluoroethylene film thickness of producing is even, permeability to air is high, and less wastage, polytetrafluoroethylene film longitudinal stretching unit that energy consumption is low.
Polytetrafluoroethylene film longitudinal stretching unit of the present utility model comprises unreeling machine that polytetrafluoroethylene film is unreeled, the winder that carries out rolling to the polytetrafluoroethylene film after unreeling carries out multiple roll desizer that de-oiling handles, polytetrafluoroethylene film after de-oiling is handled stretches multiple spot stretching furnace, to the polytetrafluoroethylene film after stretching;
Unreeling machine comprises let off roll, drive that let off roll rotates unreel motor, be used to control the frequency converter that unreels that unreels motor; It also comprises the unwinding tension monitoring device that is used to monitor the polytetrafluoroethylene film tension force between unreeling machine and the multiple roll desizer, and the output of unwinding tension monitoring device meets PLC, and the output of PLC connects and unreels frequency converter;
Winder comprises wind-up roll, drive the winding motor that wind-up roll rotates, the rolling frequency converter that is used to control winding motor; It also comprises the rolling tension monitoring device that is used to monitor the polytetrafluoroethylene film tension force between winder and the multiple spot stretching furnace, and the output of rolling tension monitoring device meets PLC, and the output of PLC receives the volume frequency converter.
The beneficial effects of the utility model: this polytetrafluoroethylene film longitudinal stretching unit, the permanent Tension Control of the permanent linear speed of complete machine makes also can keep permanent linear speed operation in unreeling of having that coil diameter changes, rolling place that tension force is tested automatically, fed back and control, rapidly and accurate; Also can automatic compensation Correction and Control parameter after coil diameter is increased, continue to keep permanent linear speed.These characteristics make this unit have the output height, energy consumption polytetrafluoroethylene film low, that produce has advantages such as thickness is even, permeability to air is high, quality is good.
Above-mentioned longitudinal stretching unit, the unwinding tension monitoring device is identical with the rolling tension monitoring device, include the dancer that contacts with polytetrafluoroethylene film that is arranged in the swing arm, the variation of swing arm swing position is converted to the converting means of the electric signal that can import PLC.
Above-mentioned longitudinal stretching unit, converting means comprises and is fixed in the swing arm and the driving wheel coaxial with the center of oscillation of swing arm, fixing potential device links to each other to drive the follower of its rotation with the moving contact of potential device, and passive bye is enclosed within on the passive wheel shaft that is fixed on the potential device; Driving wheel and follower are formed transmission; The current potential of the moving contact of potential device is as the electric signal of input PLC.The converting means simple and ingenious structure is with low cost like this.Transmission is chain-driving pair or Synchronous Belt Drives pair.
Above-mentioned longitudinal stretching unit, the transmitting ratio of transmission is greater than 1.Transmitting ratio makes automatically controlled precision higher greater than 1 change in location that can amplify dancer and swing arm.
Above-mentioned arbitrary longitudinal stretching unit has the draw roll more than five in the multiple spot stretching furnace, the draw roll spacing is 5-200mm.Draw roll spacing 5-200mm in the multiple spot stretching furnace forms little spacing multiple spot and stretches, and has reduced the possibility of " constriction ", and polytetrafluoroethylene film can lateral contraction, and the effective aperture is bigger, has higher permeability to air.
Above-mentioned arbitrary longitudinal stretching unit, the longitudinal stretching unit also comprises the traction machine that the polytetrafluoroethylene film after stretching is drawn, be made up of the nip rolls of 2-3 active rotation, and the linear velocity of last root draw roll that nip rolls linear velocity and stretching furnace are interior equates.Pears skin chromium is all plated on the surface of de-oiling roller, draw roll, nip rolls, promptly does sand-blast finish earlier, and hard chromium plating plates the rear surface and is pears skin sample, surface roughness Ra 1.6-6.3 micron again.This pears skin chromium surface does not damage film again when roller is increased the curable grip of film, and lateral contraction is reduced, and improves permeability to air and stretching efficient.
The upper and lower of the draw roll in the above-mentioned arbitrary longitudinal stretching unit, multiple spot stretching furnace is respectively arranged with the blast pipe up and down to the blowing of polytetrafluoroethylene film upper and lower surface.Hot blast blows to vertical drawstring (polytetrafluoroethylene film) on the draw roll from blast pipe up and down simultaneously, makes vertical drawstring upper and lower surface be heated simultaneously, and giving evenly stretches provides assurance.
Description of drawings
Fig. 1 is the vertical machine drawing scheme drawing of the polytetrafluoroethylene film of selling on the market.
Fig. 2 is the utility model device structure scheme drawing.
Fig. 3 is the utility model forward pull frame scheme drawing.
Wherein: the 1-unreeling machine; 2-forward pull frame; 3-multiple roll desizer; 4-multiple spot stretching furnace; The 5-traction machine; 6-backward pull frame; The 7-winder; The 8-dancer; The 9-roll shaft that floats; The 10-swing arm; The 11-bearing seat; The 12-fulcrum shaft; 13-frame wallboard; 14-hinge wheel (driving wheel); The 15-counterweight; 16-potential device moving contact; 17-potential device fixed contact; 18-chainlet wheel shaft; 19-minor sprocket (follower); The low friction of 20-cylinder.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing, but not as the qualification to the utility model content.
As shown in Figure 2, polytetrafluoroethylene film longitudinal stretching unit of the present utility model comprises unreeling machine 1, forward pull frame (unwinding tension monitoring device) 2, multiple roll desizer 3, multiple spot stretching furnace 4, traction machine 5, backward pull frame (rolling tension monitoring device) 6, winder 7 and control housing.
Described unreeling machine 1, the employing center initiatively unreels form, and unreeling shaft unreels motor and is unreeled Frequency Converter Control by unreeling motor deceleration rear drive.
Described forward pull frame (unwinding tension monitoring device) 2 is made up of fulcrum shaft, swing arm, dancer, counterweight 15, transmission, potential device, low friction cylinder, accurate voltage regulating valve, frame etc. as shown in Figure 3.Fulcrum shaft 12 usefulness bearing seats 11 are installed on the frame wallboard 13.Swing arm 10, dancer 8, fulcrum shaft 12, hinge wheel 14 are rigidly connected mutually and form floating roller system, can be simultaneously around the fulcrum shaft rotational.Swing arm 10 1 ends and unsteady roll shaft 9 are connected, and the other end is hung counterweight 15.The chainlet bye of forming the chain-driving pair with hinge wheel is enclosed within on the chainlet wheel shaft, the chainlet wheel shaft is packed on the potential device fixed contact, the potential device fixed contact is packed on the frame, the potential device moving contact is rigidly connected with minor sprocket and rotates synchronously around the minor sprocket axis with minor sprocket, just produces difference of potential during rotation between potential device moving contact and the fixed contact.Principle of work: when normally moving, set an operating pressure for low friction cylinder by the accurate voltage regulating valve, this operating pressure and running tension balance make dancer be in design attitude, and swing arm this moment line of centers is positioned at a-a ', and the potential device moving contact is in the A position.If the speed that unreels is fast (perhaps slow), film tension force diminish (perhaps become big), dancer decline (perhaps rising), the swing arm line of centers is positioned at b-b ' (or c-c '), floating roller system turns over β ° (or α °) around the fulcrum shaft axis, chain-driving makes the potential device moving contact forward B (or C) position to simultaneously, potential device sends to A-B (or A-C) the potential change signal that records the PLC (Programmable Logic Controller) of control housing immediately, PLC is through sending deceleration (perhaps raising speed) instruction to unreeling frequency converter rapidly after the internal arithmetic, unreel motor slow down immediately (perhaps raising speed), film tension force becomes the dancer that (perhaps diminishes) greatly gradually and rises gradually (or decline), is in design attitude up to dancer.
After setting the zero level control position of dancer, the change in location that dancer fluctuates just converts difference of potential to by transmission, this difference of potential feeds back to PLC as incoming signal, what control after the PLC computing is to unreel frequency converter and unreel motor speed, makes to unreel linear velocity and de-oiling roller linear velocity coupling.Described transmission can be chain-driving or Synchronous Belt Drives, and its velocity ratio is an over-speed gear ratio, and the change in location that can amplify dancer makes automatically controlled precision higher.
Described multiple roll desizer 3 has disposed 5-11 root de-oiling roller (being 11 de-oiling rollers shown in the figure) in the stove, de-oiling roller diameter 90-150 millimeter (preferred 100 millimeters), each roller longitudinal pitch 500-1200 millimeter (preferred 900 millimeters).Can need the de-oiling roller number of usefulness according to the length decision of required de-oiling time.
Described multiple spot stretching furnace 4 has disposed one group of 5-7 root draw roll in the stove, but the stretching of 4-6 point (is 7 draw rolls among the figure at most, at most can 6 stretchings), draw roll diameter 130-400 millimeter (preferred 230mm), roller stretching spacing 5-200 millimeter (preferred 5-40mm) can be regulated.The draw roll group respectively disposes a up and down blast pipe up and down, and hot blast blows to vertical drawstring on the draw roll from blast pipe up and down simultaneously, makes vertical drawstring upper and lower surface receive the hot blast of uniform temp simultaneously, and giving evenly stretches provides assurance.Because hot air circulation is to carry out in the fully enclosed space relatively, waste of heat is less, so total energy consumption is less simultaneously.
Described traction machine 5 has disposed one group of 2-3 nip rolls (being 3 nip rolls among the figure), diameter of traction-roller 130-400 (preferred 250 millimeters), initiatively transmission, linear velocity and last root draw roll synchro control.
Described backward pull frame 6, dispose identical with the forward pull frame, herein the potential device measured signal through the PLC controlled reset be rolling frequency converter and winding motor speed, make rolling linear velocity and traction machine linear velocity realize synchro control.
Described winder 7, maximum take-up diameter 800-1200 millimeter, the employing center is the rolling form initiatively, and Scroll is by the winding motor rear drive of slowing down, and winding motor speed is by the rolling Frequency Converter Control.
Described polytetrafluoroethylene film longitudinal stretching unit, the roller material of each de-oiling roller, draw roll, nip rolls is made of common solid drawn pipe, all plate pears skin hard chrome after the machining surface processing, also can make of stainless steel, shotblasting is handled, surface roughness Ra 1.6-6.3 (preferred Ra2.5) micron.This have pears leather-wrapped roller lateral contraction is reduced, and improves permeability to air and stretching efficient.
Described polytetrafluoroethylene film longitudinal stretching unit, the electrical control core is by PLC+ touch-screen+frequency converter+motor, the close loop control circuit of PLC+ dancer+frequency converter+motor is adopted in unwinding and rewinding, adopts dancer that real-time rolling situation is fed back, and main speed is revised.
The utility model has designed a kind of new polytetrafluoroethylene film longitudinal stretching unit, complete machine is taked the permanent Tension Control of permanent linear speed, make also can keep permanent linear speed operation in unreeling of having that coil diameter changes, rolling place, tension force is tested automatically, is fed back and control, rapidly and accurate; Also can automatic compensation Correction and Control parameter after programming control increases coil diameter, continue to keep permanent linear speed; Simultaneously little spacing multiple spot stretches, and makes this equipment can make the polytetrafluoroethylene breathable films with characteristics such as output height, quality are good, energy consumption is low.
Following table is the vertical drawstring of a certain kind that draws of this unit through horizontal related data after pulling into film, and Combination property is outstanding as can be seen.
Claims (9)
1. polytetrafluoroethylene film longitudinal stretching unit comprises unreeling machine that polytetrafluoroethylene film is unreeled, the winder that carries out rolling to the polytetrafluoroethylene film after unreeling carries out multiple roll desizer that de-oiling handles, polytetrafluoroethylene film after de-oiling is handled stretches multiple spot stretching furnace, to the polytetrafluoroethylene film after stretching;
It is characterized in that:
Unreeling machine comprises let off roll, drive that let off roll rotates unreel motor, be used to control the frequency converter that unreels that unreels motor; It also comprises the unwinding tension monitoring device that is used to monitor the polytetrafluoroethylene film tension force between unreeling machine and the multiple roll desizer, and the output of unwinding tension monitoring device meets PLC, and the output of PLC connects and unreels frequency converter;
Winder comprises wind-up roll, drive the winding motor that wind-up roll rotates, the rolling frequency converter that is used to control winding motor; It also comprises the rolling tension monitoring device that is used to monitor the polytetrafluoroethylene film tension force between winder and the multiple spot stretching furnace, and the output of rolling tension monitoring device meets PLC, and the output of PLC receives the volume frequency converter.
2. longitudinal stretching unit as claimed in claim 1, it is characterized in that: the unwinding tension monitoring device is identical with the rolling tension monitoring device, include the dancer that contacts with polytetrafluoroethylene film that is arranged in the swing arm, the variation of swing arm swing position is converted to the converting means of the electric signal that can import PLC.
3. longitudinal stretching unit as claimed in claim 2, it is characterized in that: converting means comprises and is fixed in the swing arm and the driving wheel coaxial with the center of oscillation of swing arm, fixing potential device, link to each other to drive the follower of its rotation with the moving contact of potential device, passive bye is enclosed within on the passive wheel shaft that is fixed on the potential device; Driving wheel and follower are formed transmission; The current potential of the moving contact of potential device is as the electric signal of input PLC.
4. longitudinal stretching unit as claimed in claim 3 is characterized in that: the transmitting ratio of transmission is greater than 1.
5. longitudinal stretching unit as claimed in claim 3 is characterized in that: transmission is chain-driving pair or Synchronous Belt Drives pair.
6. as the described arbitrary longitudinal stretching unit of claim 1-5, it is characterized in that: have the draw roll more than five in the multiple spot stretching furnace, the draw roll spacing is 5-200mm.
7. as the described arbitrary longitudinal stretching unit of claim 1-5, it is characterized in that: the longitudinal stretching unit also comprises the traction machine that the polytetrafluoroethylene film after stretching is drawn, be made up of the nip rolls of 2-3 active rotation, and the linear velocity of last root draw roll that nip rolls linear velocity and stretching furnace are interior equates.
8. longitudinal stretching unit as claimed in claim 7 is characterized in that: the surface of de-oiling roller, draw roll, nip rolls is hard chromium plating all, surface roughness Ra 1.6-6.3 micron.
9. as the described arbitrary longitudinal stretching unit of claim 1-5, it is characterized in that: the upper and lower of the draw roll in the multiple spot stretching furnace is respectively arranged with the blast pipe up and down to the blowing of polytetrafluoroethylene film upper and lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120060309 CN202007043U (en) | 2011-03-09 | 2011-03-09 | Polytetrafluoroethylene film longitudinal stretching machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120060309 CN202007043U (en) | 2011-03-09 | 2011-03-09 | Polytetrafluoroethylene film longitudinal stretching machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202007043U true CN202007043U (en) | 2011-10-12 |
Family
ID=44748701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120060309 Expired - Lifetime CN202007043U (en) | 2011-03-09 | 2011-03-09 | Polytetrafluoroethylene film longitudinal stretching machine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202007043U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173354A (en) * | 2011-03-09 | 2011-09-07 | 中材科技股份有限公司 | Polytetrafluoroethylene film longitudinal stretching unit |
| CN102455675A (en) * | 2011-12-27 | 2012-05-16 | 宁波市佳音机电科技有限公司 | Infusion film thickness measurement and control device |
| CN106541565A (en) * | 2015-09-21 | 2017-03-29 | 上海堃元新材料有限公司 | A kind of Wound product material production device |
| CN114361709A (en) * | 2022-01-06 | 2022-04-15 | 广东宝路盛精密机械有限公司 | One-way stretching wire for battery diaphragm |
-
2011
- 2011-03-09 CN CN 201120060309 patent/CN202007043U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173354A (en) * | 2011-03-09 | 2011-09-07 | 中材科技股份有限公司 | Polytetrafluoroethylene film longitudinal stretching unit |
| CN102455675A (en) * | 2011-12-27 | 2012-05-16 | 宁波市佳音机电科技有限公司 | Infusion film thickness measurement and control device |
| CN106541565A (en) * | 2015-09-21 | 2017-03-29 | 上海堃元新材料有限公司 | A kind of Wound product material production device |
| CN114361709A (en) * | 2022-01-06 | 2022-04-15 | 广东宝路盛精密机械有限公司 | One-way stretching wire for battery diaphragm |
| CN114361709B (en) * | 2022-01-06 | 2023-10-20 | 广东宝路盛精密机械有限公司 | Unidirectional stretching wire for battery diaphragm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102173354A (en) | Polytetrafluoroethylene film longitudinal stretching unit | |
| CN202007043U (en) | Polytetrafluoroethylene film longitudinal stretching machine set | |
| CN201796992U (en) | Rolling and slicing direct-connected device for lithium-ion battery polar pieces | |
| CN106144722B (en) | A kind of tension control system on up- coiler | |
| CN202988369U (en) | Rolling tension adjusting device for PVC (Polyvinyl Chloride) membrane calender | |
| CN203998420U (en) | A kind of little cable take-up with buffer adjusting mechanism | |
| CN207903624U (en) | Graphite heat conducting film calender line blowing tension automatic regulating device | |
| CN204957970U (en) | Online automatic coil pipe device of welded tube | |
| CN203781516U (en) | Automatic regulating device for cable winding conveying tension | |
| CN205892345U (en) | Polished rod traverse unit | |
| CN206345492U (en) | A kind of thin film winder | |
| CN205274846U (en) | Curtain coating compounding machine machine of unreeling | |
| CN201493885U (en) | Cutting machine | |
| CN203021090U (en) | Rewinder with tension control | |
| CN204958002U (en) | Online automatic coil pipe device of thin wall welded tube | |
| CN202677977U (en) | High-speed stranding machine | |
| CN207738186U (en) | Slitting rewinder | |
| CN203806861U (en) | Constant-tension and variable-speed feeding device | |
| CN115771806A (en) | Continuous fiber bundle spiral unreeling tensioning and guiding integrated device and control method | |
| CN211569594U (en) | Tension storage device of napkin paper machine | |
| CN107434174A (en) | Polyethylene film production line equipment | |
| CN203862515U (en) | Pinch roll and back roll synchronous transmission mechanism for coating machine | |
| CN202279900U (en) | Individual coiling device of loom | |
| CN209143321U (en) | A kind of novel mica band double-station unwinding drying unit | |
| CN203714936U (en) | Emptying device without tension or with tension for elastic fabric, film and net type roll materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200509 Address after: 211100, No. 30, Xi An Road, Yuhua West Road, Jiangsu, Nanjing Co-patentee after: KUNSHAN WUMING MACHINERY Co.,Ltd. Patentee after: NANJING FIBERGLASS R&D INSTITUTE Co.,Ltd. Address before: Jiangning District of Nanjing City, Jiangsu province 211100 Jiangning Science Park Tong Road No. 99 Co-patentee before: KUNSHAN WUMING MACHINERY Co.,Ltd. Patentee before: Sinoma Science & Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |
|
| CX01 | Expiry of patent term |