CN207190254U - A kind of polytetrafluoroethylene (PTFE) base band stretching-machine - Google Patents
A kind of polytetrafluoroethylene (PTFE) base band stretching-machine Download PDFInfo
- Publication number
- CN207190254U CN207190254U CN201721164264.6U CN201721164264U CN207190254U CN 207190254 U CN207190254 U CN 207190254U CN 201721164264 U CN201721164264 U CN 201721164264U CN 207190254 U CN207190254 U CN 207190254U
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- CN
- China
- Prior art keywords
- extension
- roller
- ptfe
- base band
- polytetrafluoroethylene
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- 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
It the utility model is related to a kind of polytetrafluoroethylene (PTFE) base band stretching-machine, including feed arrangement, heater, stretching device and the wrap-up set gradually, heater includes heating chamber and the guide roller being arranged in heating chamber, extension roller is provided with heating chamber, the front side of extension roller is provided with pressure roller, the rear side of extension roller is provided with deflector roll, and pressure roller and deflector roll are respectively positioned on the lower section of extension roller, polytetrafluoroethylene (PTFE) base band through two deflector rolls after around the top for being located at extension roller and around the lower section for being located at deflector roll；Extension roller includes roll body and extension, and extension is convexly equipped in roll body surface and circumference uniform distribution is on roll body, and the length of extension is equal to the length of roll body, and the radius of gyration of extension is more than the maximum rotating radius of roll body.The utility model is stretched by setting extension roller, has both prevented from breaking polytetrafluoroethylene (PTFE) base band, improved stretching ratio again by a small margin when rotating extension roller by extension and the difference of the radius of gyration of roll body to PTFE base band.
Description
Technical field
It the utility model is related to the longitudinal stretching equipment technical field of polytetrafluoroethylene (PTFE) base band, specially a kind of polytetrafluoroethyl-ne
Alkenyl band stretching-machine.
Background technology
Polytetrafluoroethylene (PTFE) is a kind of corrosion-resistant, resistant to elevated temperatures excellent sealing material, is conveyed available for water pipe, corrosive fluid
The encapsulant of tubing, steam pipework joint.It is extensive due to its nontoxic, tasteless, excellent sealing, insulating properties, rotproofness
Applied to fields such as water process, natural gas, chemical industry, plastics, electronic engineering.The core processing technology of polytetrafluoroethylene film is crowded
Go out-calendering-to stretch-sinter, bar-shaped or strip polytetrafluoroethylene (PTFE) base band is extruded with special extruder, in two roll calender
Very thin thin slice is rolled into, simple tension or biaxial tension are carried out on stretching-machine, draft temperature is typically at 220 DEG C -320 DEG C.
Such as：It is described in the Chinese utility model patent of Application No. 201320467213.6 and a kind of be used for polytetrafluoroethyl-ne
The stretching-machine of alkene raw material band, stretching-machine of the present utility model are entered polytetrafluoroethylraw raw material band by the spool shaft of feed arrangement
Material, into the heating chamber of heater, first tentatively heated in heating chamber one, subsequently into being heated again in heating chamber two,
Film is extended by extension roller when heating again, finally out wound out of heating chamber by wrap-up, due to
Polytetrafluoroethylraw raw material band from the heating chamber of high temperature out enter stretching device when, polytetrafluoroethylraw raw material band temperature change greatly and
Reduce drawing effect.
Utility model content
The purpose of this utility model is to provide a kind of polytetrafluoroethylene (PTFE) base band stretching-machine, can be to the tetrafluoroethene base of heating
Band is pre-stretched, and improves stretching ratio.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of PTFE base
Band stretching-machine, including feed arrangement, heater, stretching device and the wrap-up set gradually, the heater include
Heating chamber and the guide roller being arranged in heating chamber, the heating chamber are provided with the charging aperture for passing in and out PTFE base band and gone out
Material mouth, the guide roller are positioned close to the side of the charging aperture, extension roller is provided with the heating chamber, the extension roller
Front side is provided with two pressure rollers for being clamped in lower belt surface on PTFE base band, and the rear side of the extension roller is provided with deflector roll, described
Pressure roller and the deflector roll are respectively positioned on the lower section of the extension roller, the rear winding through two deflector rolls of polytetrafluoroethylene (PTFE) base band
In the top of the extension roller and around the lower section for being located at the deflector roll；The extension roller includes roll body and extension, the extension
Portion is convexly equipped in the roll body surface and circumference uniform distribution is on the roll body, and the extension is list structure, the extension
Length is equal to the length of the roll body, and the radius of gyration of the extension is more than the maximum rotating radius of the roll body.
Preferably, the roll body cross section is circular or regular polygon.
Preferably, the cross section of the extension is the arc structure outwards to arch upward.
Preferably, the pressure roller and the extension roller are drive roll, the velocity of rotation of the pressure roller is less than described prolong
Open up the velocity of rotation of roller.
Preferably, being provided with tensioning apparatus between the heater and the stretching device, the tensioning apparatus includes
Tensioning frame, tensioner arm and idler roller, it is rotatably installed on the tensioning frame in the middle part of the tensioner arm, the idler roller rotates peace
Mounted in the both ends of the tensioner arm, the winding of polytetrafluoroethylene (PTFE) base band is in the lower section of previous idler roller and around being located at latter idler roller
Top, tensioning spring is provided between the tensioner arm and the tensioning frame.
Preferably, the feed arrangement includes support and the unreeling shaft for placing polytetrafluoroethylene (PTFE) base band, the branch
Frame is provided with the fixed seat for being used for fixing the unreeling shaft both ends, and the fixed seat is provided with opening up slot, described to insert
Bearing is installed, the bearing holder (housing, cover) is mounted in the both ends of the unreeling shaft in groove.
Preferably, the stretching device includes draw roll, the draw roll is connected with stretching motor.
Preferably, the wrap-up includes rolling frame, Scroll and winding motor, the Scroll is rotatably installed in
On the rolling frame, the winding motor drives the Scroll to rotate by Chain conveyer.
The beneficial effects of the utility model：The utility model passes through according to the characteristics of polytetrafluoroethylene (PTFE) base band hot mastication
Extension roller is set, extension roller is carried out when rotating by extension and the difference of the radius of gyration of roll body to PTFE base band
Stretch by a small margin, both prevented from breaking polytetrafluoroethylene (PTFE) base band, improved stretching ratio again.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of feed arrangement in the utility model embodiment 1；
Fig. 3 is the structural representation of extension roller in the utility model embodiment 1；
Fig. 4 is the structural representation of tensioning apparatus in the utility model embodiment 1；
Fig. 5 is the structural representation of extension roller in the utility model embodiment 2；
In figure：1- feed arrangements, 11- supports, 12- fixed seats, 13- bearings, 14- unreeling shafts, 2- heaters, 21- add
Hot chamber, 22- guide rollers, 23- pressure rollers, 24- extension rollers, 241- roll bodies, 242- extensions, 25- deflector rolls, 3- tensioning apparatus, 31-
Tight frame, 32- tensioner arms, 33- idler rollers, 34- tensioning springs, 4- stretching devices, 5- wrap-ups, 51- rolling frames, 52- windings
Axle.
Embodiment
Specific examples below is only to explanation of the present utility model, and it is not to limitation of the present utility model, sheet
Art personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read,
But as long as all protected in right of the present utility model by Patent Law.
Embodiment 1：As depicted in figs. 1 and 2, a kind of polytetrafluoroethylene (PTFE) base band stretching-machine, including the charging dress set gradually
Put 1, heater 2, stretching device 4 and wrap-up 5.Feed arrangement 1 includes support 11 and for placing PTFE base
The unreeling shaft 14 of band, the support 11 are provided with the fixed seat 12 for being used for fixing the both ends of unreeling shaft 14, the fixed seat 12
Opening up slot is provided with, bearing 13 is installed in the slot, the bearing 13 is sleeved on the two of the unreeling shaft 14
End, unreeling shaft 14 can be mounted and dismounted by moving up and down.Polytetrafluoroethylene (PTFE) base band volume is arranged on unreeling shaft 14, is put
The end of spool 14 is additionally provided with magnetic brake disk.
As shown in figure 1, heater 2 includes heating chamber 21 and the guide roller 22 being arranged in heating chamber 21, the heating
Chamber 21 is provided with the charging aperture and discharging opening for passing in and out PTFE base band, and the guide roller 22 is positioned close to the charging aperture
Side, is provided with extension roller 24 in the heating chamber 21, the front side of the extension roller 24 is clamped in polytetrafluoroethylene (PTFE) provided with two
The pressure roller 23 of lower belt surface in base band, the rear side of the extension roller 24 are provided with deflector roll 25,25 equal position of the pressure roller 23 and the deflector roll
In the lower section of the extension roller 24, polytetrafluoroethylene (PTFE) base band through two deflector rolls 25 after around being located at the extension roller 24
Top and around the lower section for being located at the deflector roll 25.
As shown in figure 4, extension roller 24 includes roll body 241 and extension 242, the cross section of roll body 241 is circle.Extension
242 be list structure, and the cross section of extension is the arc structure outwards to arch upward, and extension 242 is convexly equipped in the table of roll body 241
Face and circumference uniform distribution is on the roll body 241.The length of the extension is equal to the length of the roll body, and the extension turns
Dynamic radius is more than the maximum rotating radius of the roll body.
Pressure roller 23 and the extension roller 24 are drive roll, and both rotation directions are identical, and the velocity of rotation of pressure roller 23 is less than
The velocity of rotation of extension roller 24, speed difference 1-2r/min.
As shown in figures 1 and 3, tensioning apparatus 3, the tensioning apparatus are provided between heater 2 and the stretching device 4
3 include tensioning frame 31, tensioner arm 32 and idler roller 33, and the middle part of the tensioner arm 32 is rotatably installed on the tensioning frame 31,
The idler roller 33 is rotatably installed in the both ends of the tensioner arm 32, and the winding of polytetrafluoroethylene (PTFE) base band is under previous idler roller 33
Side is simultaneously provided with tensioning spring 34 between the top for being located at latter idler roller 33, the tensioner arm 32 and the tensioning frame 31.
As shown in figure 1, stretching device 4 includes draw roll, draw roll is connected with stretching motor.The wrap-up 5 includes
Rolling frame 51, Scroll 52 and winding motor, the Scroll 52 are rotatably installed on the rolling frame 51, the winding motor
The Scroll 52 is driven to rotate by Chain conveyer.Rolling frame 51 is provided with the sensor for being used for detecting polytetrafluoroethylene (PTFE) base band.
The lower section of rolling frame 51, which is provided with, to be made on rolling frame 51 along the translation mechanism of the axial translation of Scroll 52.
Embodiment 2：As shown in figure 5, roll body cross section is regular polygon, can be square, regular pentagon or positive six
Side shape.Extension 242 is located at the intersection in 241 two neighboring face of roll body.
Claims (8)
1. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine, including the feed arrangement set gradually（1）, heater（2）, stretching device
（4）And wrap-up（5）, the heater（2）Including heating chamber（21）Be arranged on heating chamber（21）Interior guide roller
（22）, it is characterised in that：The heating chamber（21）It is described to lead provided with the charging aperture and discharging opening for passing in and out PTFE base band
To roller（22）It is positioned close to the side of the charging aperture, the heating chamber（21）It is interior to be provided with extension roller（24）, the extension roller
（24）Front side be provided with two pressure rollers for being clamped in lower belt surface on PTFE base band（23）, the extension roller（24）Rear side
Provided with deflector roll（25）, the pressure roller（23）With the deflector roll（25）It is respectively positioned on the extension roller（24）Lower section, polytetrafluoroethylene (PTFE)
Base band passes through two deflector rolls（25）Between after around being located at the extension roller（24）Top and around being located at the deflector roll（25）
Lower section；The extension roller（24）Including roll body（241）And extension（242）, the extension（242）It is convexly equipped in the roll body
（241）Surface and circumference uniform distribution is in the roll body（241）On, the extension（242）For list structure, the extension
（242）Length be equal to the roll body（241）Length, the extension（242）The radius of gyration be more than the roll body（241）
Maximum rotating radius.
A kind of 2. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that：The roll body（241）It is horizontal
Section is circular or regular polygon.
A kind of 3. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 2, it is characterised in that：The extension（242）
Cross section be the arc structure that outwards arches upward.
A kind of 4. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that：The pressure roller（23）And institute
State extension roller（24）It is drive roll, the pressure roller（23）Velocity of rotation be less than the extension roller（24）Velocity of rotation.
A kind of 5. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that：The heater（2）
With the stretching device（4）Between be provided with tensioning apparatus（3）, the tensioning apparatus（3）Including tensioning frame（31）, tensioner arm（32）
And idler roller（33）, the tensioner arm（32）Middle part be rotatably installed in the tensioning frame（31）On, the idler roller（33）Turn
It is dynamic to be arranged on the tensioner arm（32）Both ends, the winding of polytetrafluoroethylene (PTFE) base band is in previous idler roller（33）Lower section and around being located at
Latter idler roller（33）Top, the tensioner arm（32）With the tensioning frame（31）Between be provided with tensioning spring（34）.
A kind of 6. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that：The feed arrangement（1）
Including support（11）With the unreeling shaft for placing polytetrafluoroethylene (PTFE) base band（14）, the support（11）It is provided with and is used to fix institute
State unreeling shaft（14）The fixed seat at both ends（12）, the fixed seat（12）Opening up slot is provided with, is pacified in the slot
Equipped with bearing（13）, the bearing（13）It is sleeved on the unreeling shaft（14）Both ends.
A kind of 7. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that：The stretching device（4）
Including draw roll, the draw roll is connected with stretching motor.
A kind of 8. polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that：The wrap-up（5）
Including rolling frame（51）, Scroll（52）And winding motor, the Scroll（52）It is rotatably installed in the rolling frame（51）On,
The winding motor drives the Scroll by Chain conveyer（52）Rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164264.6U CN207190254U (en) | 2017-09-12 | 2017-09-12 | A kind of polytetrafluoroethylene (PTFE) base band stretching-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164264.6U CN207190254U (en) | 2017-09-12 | 2017-09-12 | A kind of polytetrafluoroethylene (PTFE) base band stretching-machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207190254U true CN207190254U (en) | 2018-04-06 |
Family
ID=61788581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721164264.6U Expired - Fee Related CN207190254U (en) | 2017-09-12 | 2017-09-12 | A kind of polytetrafluoroethylene (PTFE) base band stretching-machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207190254U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633966A (en) * | 2020-05-29 | 2020-09-08 | 中鸿纳米纤维技术丹阳有限公司 | Polyglycolic acid secondary production equipment |
| CN113122950A (en) * | 2021-03-16 | 2021-07-16 | 苏州大学 | Rapid manufacturing method of polytetrafluoroethylene fiber |
| CN114030265A (en) * | 2021-12-03 | 2022-02-11 | 广东厚海环保新材料有限公司 | Three-in-one gluing compound machine for non-woven fabric |
| CN114407389A (en) * | 2021-12-07 | 2022-04-29 | 浙江赛迅环保科技有限公司 | Preparation method of PTFE microporous membrane |
| CN117124578A (en) * | 2023-10-26 | 2023-11-28 | 佛山市顺德区精卫科技有限公司 | Plastic film stretching device |
-
2017
- 2017-09-12 CN CN201721164264.6U patent/CN207190254U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633966A (en) * | 2020-05-29 | 2020-09-08 | 中鸿纳米纤维技术丹阳有限公司 | Polyglycolic acid secondary production equipment |
| CN111633966B (en) * | 2020-05-29 | 2022-07-15 | 中鸿纳米纤维技术丹阳有限公司 | Polyglycolic acid secondary production equipment |
| CN113122950A (en) * | 2021-03-16 | 2021-07-16 | 苏州大学 | Rapid manufacturing method of polytetrafluoroethylene fiber |
| CN114030265A (en) * | 2021-12-03 | 2022-02-11 | 广东厚海环保新材料有限公司 | Three-in-one gluing compound machine for non-woven fabric |
| CN114407389A (en) * | 2021-12-07 | 2022-04-29 | 浙江赛迅环保科技有限公司 | Preparation method of PTFE microporous membrane |
| CN117124578A (en) * | 2023-10-26 | 2023-11-28 | 佛山市顺德区精卫科技有限公司 | Plastic film stretching device |
| CN117124578B (en) * | 2023-10-26 | 2024-01-30 | 佛山市顺德区精卫科技有限公司 | Plastic film stretching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313000 building 10, science and Technology Pioneer Park, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang. Patentee after: ZHEJIANG LUCKING ENVIRONMENTAL PROTECTION Co.,Ltd. Address before: 313000 building 10, science and Technology Pioneer Park, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang. Patentee before: ZHEJIANG LUCKING ENVIRONMENTAL PROTECTION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |