CN208946668U - A kind of polytetrafluoroethylene (PTFE) base band stretching-machine - Google Patents
A kind of polytetrafluoroethylene (PTFE) base band stretching-machine Download PDFInfo
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- CN208946668U CN208946668U CN201820987846.2U CN201820987846U CN208946668U CN 208946668 U CN208946668 U CN 208946668U CN 201820987846 U CN201820987846 U CN 201820987846U CN 208946668 U CN208946668 U CN 208946668U
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- flywheel
- polytetrafluoroethylene
- ptfe
- base band
- wheel
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Abstract
The utility model relates to a kind of polytetrafluoroethylene (PTFE) base band stretching-machines, including the unwinding device set gradually, heater box, incubator and wrap-up, at least two drive rolls are provided in heater box, the rotation direction of two drive rolls is identical, and the revolving speed for the drive roll being located behind is greater than the revolving speed of the drive roll positioned at front, the outside of heater box is equipped with two drive rolls of driving and rotates and adjust the differential regulating mechanism of two drive roll rotational speed differences, driven voller is provided with above drive roll, have and is provided with pressure roller above a driven voller, regulating roller is equipped between drive roll, extension roller is provided in incubator.The utility model will be stretched after polytetrafluoroethylene (PTFE) base band hot mastication by two drive roll rotational speed differences, improve stretching ratio, then stretching is carried out shaping in incubator, it ensure that the stretching quality of polytetrafluoroethylene (PTFE) base band, rotational speed difference is adaptively adjusted according to the tensioning degree of polytetrafluoroethylene (PTFE) base band simultaneously, avoids polytetrafluoroethylene (PTFE) base band tension failure.
Description
Technical field
The utility model relates to polytetrafluoroethylene (PTFE) production equipment technology, in particular to a kind of polytetrafluoroethylene (PTFE) base band is drawn
Stretch machine.
Background technique
Polytetrafluoroethylene (PTFE) is a kind of excellent sealing material corrosion-resistant, resistant to high temperature, can be used for water pipe, corrosive fluid conveying
The sealing material of tubing, steam pipework connector.It is extensive due to its nontoxic, tasteless, excellent leakproofness, 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
Out-calendering-stretching-sintering squeezes out rodlike or strip polytetrafluoroethylene (PTFE) base band with special extruder, in two roll calender
It is rolled into very thin thin slice, simple tension or biaxial tension are carried out on stretching-machine, draft temperature is generally at 220 DEG C -320 DEG C.
Such as: application No. is 201320467213.6 Chinese utility model patents to disclose one kind for polytetrafluoroethylene (PTFE)
The stretching-machine of raw material band is fed polytetrafluoroethylraw raw material band by the spool shaft of feeding device, into the heating of heating device
It is intracavitary, it is first tentatively heated in heating chamber one, subsequently into heating again in heating chamber two, passes through extension when heating again
Roller extends to film, finally comes out out of heating chamber and is wound by wrap-up, since polytetrafluoroethylraw raw material band is from high temperature
Heating chamber come out when entering stretching device, polytetrafluoroethylraw raw material band temperature change is big and reduces drawing effect.
Utility model content
The purpose of the utility model is to provide a kind of polytetrafluoroethylene (PTFE) base band stretching-machines, pass through the rotational speed difference of front and back draw roll
It is stretched, improves stretching ratio.
The above-mentioned purpose of the utility model has the technical scheme that a kind of polytetrafluoroethylene (PTFE) base band is drawn
Machine is stretched, including unwinding device, heater box, incubator and the wrap-up set gradually, is provided at least two in the heater box
The rotation direction of root drive roll, two drive rolls is identical, and the revolving speed for the drive roll being located behind is greater than positioned at front
The revolving speed of drive roll, the outside of the heater box are equipped with two drive rolls of driving and rotate and adjust the difference of two drive roll rotational speed differences
Fast adjustment mechanism, is provided with driven voller above the drive roll, and the driven voller is in being horizontally spaced about, at least described in one
It is provided with pressure roller above driven voller, is equipped with regulating roller between two drive rolls, the incubator is adjacent to the heating
The rear side and the two of case are connected to by base band entrance, and extension roller is provided in the incubator.
Preferably, the differential regulating mechanism include driving wheel, the first driving wheel, the second driving wheel, third driving wheel,
First flywheel, the second flywheel and adjustment wheel, first driving wheel, the second driving wheel and the first flywheel are co-axially located at
On the outer wall of the heater box, the shaft end of previous drive roll is arranged in the third driving wheel, and the second flywheel setting exists
The shaft end of latter drive roll is arranged with the first transmission chain, second transmission between the driving wheel and first driving wheel
The second transmission chain is arranged between wheel and the third driving wheel, and the adjustment wheel setting is in first flywheel and described the
Between two flywheels, it is mobile to adjust first flywheel and described second that the adjustment wheel is connected with the control adjustment wheel
The moving assembly of the transmission ratio size of flywheel.
Preferably, first flywheel and second flywheel are straight bevel gear, the two cone angle it is equal and
Oppositely arranged, the adjustment wheel is spur gear wheel, and the adjustment wheel is adjusted the speed with first flywheel and described second respectively
Wheel engagement.
Preferably, the moving assembly includes adjustable shelf, driving screw rod and servo motor, the both ends of the driving screw rod
It is rotatably installed in the rack on the outside of the heater box and is driven by the servo motor and rotated, the adjustment wheel is rotatably installed in
On the adjustable shelf, the adjustable shelf is screwed on the driving screw rod and along the drive screw shaft to moving, the driving
The axis of screw rod is parallel to the conical surface of first flywheel and second flywheel.
Preferably, the quantity of the extension roller is five, it is divided into two rows, three extension rollers, lower row is arranged in upper row
Two extension rollers are set.
Preferably, the both ends of the regulating roller and the pressure roller are provided with adjusting component, the adjusting component includes
Fixing seat, adjusting bracket, guide rod and spring, the fixing seat are fixed on the heating chamber interior wall, and the guide rod is fixed in described
Simultaneously on the fixing seat, the spring is socketed in the guide rod, and the both ends of the spring are connected to respectively for grafting on adjusting bracket
On the adjusting bracket and the fixing seat.
The utility model has the beneficial effects that the utility model will pass through two actives after polytetrafluoroethylene (PTFE) base band hot mastication
Roller rotational speed difference is stretched, and improves stretching ratio, stretching is then carried out shaping in incubator, ensure that polytetrafluoroethylene (PTFE) base band
Stretching quality, while two drive rolls are controlled by differential regulating mechanism, suitable according to the tensioning degree of polytetrafluoroethylene (PTFE) base band
Rotational speed difference is adjusted to answering property, avoids polytetrafluoroethylene (PTFE) base band tension failure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of differential regulating mechanism in the utility model embodiment；
In figure: 1- heater box, 2- incubator, 3- drive roll, 4- driven voller, 5- regulating roller, 6- pressure roller, 7- extension roller, 8-
Differential regulating mechanism, 801- motor, 802- driving wheel, the first driving wheel of 803-, the second driving wheel of 804-, the transmission of 805- third
Wheel, the first flywheel of 806-, the second flywheel of 807-, 808- adjustment wheel, 809- adjustable shelf, 810- drive screw rod.
Specific embodiment
In conjunction with attached drawing, the utility model is described in further detail.This specific embodiment is only to the utility model
Explanation, be not limitations of the present invention, those skilled in the art, can be according to need after reading this specification
The modification of not creative contribution is made to the present embodiment, but as long as in the scope of the claims of the utility model all by
The protection of Patent Law.
Embodiment: as shown in Figure 1, a kind of polytetrafluoroethylene (PTFE) base band stretching-machine, including set gradually unwinding device, heating
Case 1, incubator 2 and wrap-up, unwinding device are used by the unreeling shaft of driving motor driving rotation, and wrap-up is used by driving
The Scroll of dynamic motor driven rotation, Scroll realize the translation of axial direction by Mobile base.Two are provided in heater box 1
The rotation direction of drive roll 3, two drive rolls 3 is identical, and the revolving speed for the drive roll 3 being located behind is greater than positioned at front
The revolving speed of drive roll 3.The feeding speed of unreeling shaft is equal with the feeding speed of previous drive roll 3, the material recovering speed of Scroll with
The feeding speed of latter drive roll 3 is equal.The top of drive roll 3 is provided with driven voller 4, and driven voller 4 has in being horizontally spaced about
The top of a piece driven voller 4 is provided with pressure roller 6, is equipped with regulating roller 5 between two drive rolls 3.Incubator 2 is adjacent to described
The rear side and the two of heater box 1 are connected to by base band entrance, and the temperature in incubator 2 is lower than the temperature in heater box 1, and high
In room temperature.Extension roller 7 is provided in incubator 2, the quantity of extension roller 7 is five, is divided into two rows, and upper row is arranged three and prolongs
Roller 7 is opened up, two extension rollers 7 are arranged in lower row.
It rotates as shown in Fig. 2, the outside of heater box 1 is equipped with two drive rolls 3 of driving and adjusts two 3 rotational speed differences of drive roll
Differential regulating mechanism 8.Differential regulating mechanism 8 includes driving wheel 802, the first driving wheel 803, the second driving wheel 804, third biography
Driving wheel 805, the first flywheel 806, the second flywheel 807 and adjustment wheel 808, driving wheel 802 is turned by the driving of motor 801, and first
Driving wheel 803, the second driving wheel 804 and the first flywheel 806 are co-axially located on the outer wall of the heater box 1, the third
The shaft end of previous drive roll 3 is arranged in driving wheel 805, and the shaft end of latter drive roll 3 is arranged in second flywheel 807.It drives
The first transmission chain is arranged between driving wheel 802 and first driving wheel 803, second driving wheel 804 is passed with the third
The second transmission chain is arranged between driving wheel 805.808 setting of adjustment wheel is adjusted in first flywheel 806 with described second
Between speed wheel 807, adjustment wheel 808 be connected with control 808 movements of adjustment wheel with adjust first flywheel 806 and
The moving assembly of the transmission ratio size of second flywheel 807.First flywheel 806 is with second flywheel 807
Straight bevel gear, the two cone angle is equal and oppositely arranged, and the adjustment wheel 808 is spur gear wheel, 808 difference of adjustment wheel
It is engaged with first flywheel 806 and second flywheel 807.Moving assembly includes adjustable shelf 809, driving screw rod 810
And servo motor, the both ends of the driving screw rod 810 are rotatably installed in the rack in 1 outside of heater box and by the servo
Motor driven rotation, the adjustment wheel 808 are rotatably installed on the adjustable shelf 809, and the adjustable shelf 809 is screwed onto the drive
It is moved axially on dynamic screw rod 810 and along the driving screw rod 810, the axis of the driving screw rod 810 is parallel to described first and adjusts
The conical surface of speed wheel 806 and second flywheel 807.In another embodiment, the first flywheel 806 and the second flywheel 807
It is taper cone pulley, adjustment wheel 808 is cylinder wheel, the surface of adjustment wheel 808 and the first flywheel 806 and the second flywheel 807
Surface contact, is driven by the frictional force between wheel and wheel.
As shown in Figure 1, the both ends of regulating roller 5 and pressure roller 6 are provided with adjusting component, adjust component and include fixing seat, adjust
Section frame, guide rod and spring, fixing seat are fixed on 1 inner wall of heater box, and the guide rod is fixed on the adjusting bracket and inserts
It connects on the fixing seat, spring is socketed in the guide rod, and the both ends of the spring are connected to the adjusting bracket and described respectively
In fixing seat.Pressure roller 6 is arranged in the top of intermediate driven voller 4, and pressure roller 6 is to the polytetrafluoro being wound around on the driven voller 4
Vinyl band is rolled.The tension for the polytetrafluoroethylene (PTFE) base band being located between two drive rolls 3 is adjusted in regulating roller 5,
Pressure sensor is provided in fixing seat corresponding to regulating roller 5, pressure sensor connects controller, controls by pressure feedback
Differential regulating mechanism 8 is to adjust the rotational speed difference of drive roll 3.
Claims (6)
1. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine, including unwinding device, heater box (1), incubator (2) and the receipts set gradually
Winding apparatus, it is characterised in that: it is provided at least two drive rolls (3) in the heater box (1), two drive rolls (3)
Rotation direction is identical, and the revolving speed for the drive roll (3) being located behind is greater than the revolving speed of the drive roll (3) positioned at front, described to add
The outside of hot tank (1) is equipped with two drive rolls (3) of driving and rotates and adjust the differential regulating mechanism of two drive roll (3) rotational speed differences
(8), it is provided with driven voller (4) above the drive roll (3), the driven voller (4) is in horizontal spacing setting, at least one institute
It states and is provided with above driven voller (4) pressure roller (6), be equipped with regulating roller (5) between two drive rolls (3), the incubator
(2) rear side and the two for being adjacent to the heater box (1) are connected to by base band entrance, are provided with and are prolonged in the incubator (2)
It opens up roller (7).
2. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that: the differential regulating mechanism
It (8) include driving wheel (802), the first driving wheel (803), the second driving wheel (804), third driving wheel (805), the first flywheel
(806), the second flywheel (807) and adjustment wheel (808), first driving wheel (803), the second driving wheel (804) and first
Flywheel (806) is co-axially located on the outer wall of the heater box (1), and the third driving wheel (805) is arranged in previous active
The shaft end of roller (3), second flywheel (807) are arranged in the shaft end of latter drive roll (3), the driving wheel (802) and institute
It states and is arranged with the first transmission chain between the first driving wheel (803), second driving wheel (804) and the third driving wheel
(805) the second transmission chain is arranged between, the adjustment wheel (808) is arranged in first flywheel (806) and described second
Between flywheel (807), it is mobile to adjust first tune that the adjustment wheel (808) is connected with the control adjustment wheel (808)
The moving assembly of the transmission ratio size of speed wheel (806) and second flywheel (807).
3. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 2, it is characterised in that: first flywheel
It (806) is straight bevel gear with second flywheel (807), the two cone angle is equal and oppositely arranged, the adjustment wheel
(808) be spur gear wheel, the adjustment take turns (808) respectively with first flywheel (806) and second flywheel
(807) it engages.
4. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 3, it is characterised in that: the moving assembly includes
The both ends of adjustable shelf (809), driving screw rod (810) and servo motor, driving screw rod (810) are rotatably installed in the heating
It is driven in rack on the outside of case (1) and by the servo motor and is rotated, the adjustment wheel (808) is rotatably installed in the adjustable shelf
(809) on, the adjustable shelf (809) is screwed on the driving screw rod (810) and axially moves along the driving screw rod (810)
Dynamic, the axis of driving screw rod (810) is parallel to the cone of first flywheel (806) and second flywheel (807)
Face.
5. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that: the extension roller (7)
Quantity is five, is divided into two rows, and three extension rollers (7) are arranged in upper row, and two extension rollers (7) are arranged in lower row.
6. a kind of polytetrafluoroethylene (PTFE) base band stretching-machine according to claim 1, it is characterised in that: the regulating roller (5) and
The both ends of the pressure roller (6) are provided with adjusting component, and the adjusting component includes fixing seat, adjusting bracket, guide rod and spring, institute
It states fixing seat to be fixed on the heater box (1) inner wall, the guide rod is fixed on the adjusting bracket and is plugged on the fixation
On seat, the spring is socketed in the guide rod, and the both ends of the spring are connected to respectively on the adjusting bracket and the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987846.2U CN208946668U (en) | 2018-06-26 | 2018-06-26 | A kind of polytetrafluoroethylene (PTFE) base band stretching-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987846.2U CN208946668U (en) | 2018-06-26 | 2018-06-26 | A kind of polytetrafluoroethylene (PTFE) base band stretching-machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208946668U true CN208946668U (en) | 2019-06-07 |
Family
ID=66731379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987846.2U Active CN208946668U (en) | 2018-06-26 | 2018-06-26 | A kind of polytetrafluoroethylene (PTFE) base band stretching-machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208946668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384358A (en) * | 2020-03-25 | 2020-07-07 | 广州中国科学院工业技术研究院 | Manufacturing process of battery pole piece |
| 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 |
-
2018
- 2018-06-26 CN CN201820987846.2U patent/CN208946668U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384358A (en) * | 2020-03-25 | 2020-07-07 | 广州中国科学院工业技术研究院 | Manufacturing process of battery pole piece |
| 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 |
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