CN206678384U - A kind of film longitudinal tensile fixture - Google Patents
A kind of film longitudinal tensile fixture Download PDFInfo
- Publication number
- CN206678384U CN206678384U CN201720218276.6U CN201720218276U CN206678384U CN 206678384 U CN206678384 U CN 206678384U CN 201720218276 U CN201720218276 U CN 201720218276U CN 206678384 U CN206678384 U CN 206678384U
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- roller group
- film
- roller
- frame
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Abstract
The utility model discloses a kind of film longitudinal tensile fixture, including a frame, input roller group, stretching roller group and output roller group are sequentially set with frame, stretching roller group includes rotating the first roller group and the second roller group being arranged in frame, and film passes sequentially through input roller group, the first roller group, the second roller group and output roller group；Be provided with the frame one be used for heat be connected to the heater of film between the first rod group and the second roller group；The linear velocity of film when the linear velocity of film when first roller group rotates thereon rotates less than the second roller group thereon；The film longitudinal tensile fixture of above structure sets heater in the side for connecting the film between the first rod group and the second roller group, and the characteristics of linear velocity of film is fast thereon when the linear velocity of film rotates compared with the first roller group thereon when being rotated using the second roller group, film equably longitudinal stretching is realized, improves the quality of film longitudinal stretching.
Description
Technical field
It the utility model is related to a kind of production equipment of film, more particularly to a kind of film longitudinal tensile fixture.
Background technology
In the production process of polyester film, sheet is cooled into after being extruded by die head, sheet is needed by longitudinal stretching
Process, elongate sheet thinning.In existing longitudinal stretching equipment, i.e. progress longitudinal direction is heated to sheet by preheating roller group
Stretching, because the thickness of sheet is larger, sheet underheat or heating are uneven, often occur that stretching is uneven in longitudinal stretching
Uniform crack conditions occur, so as to influence the quality of the film of longitudinal stretching.
Utility model content
In order to solve the above problems, the purpose of this utility model is to provide a kind of film longitudinal tensile fixture.
The utility model is to solve the technical scheme that uses of its technical problem：
A kind of film longitudinal tensile fixture, including a frame, input roller group, stretching roller group and defeated are sequentially set with frame
Go out roller group, the stretching roller group includes rotating the first roller group and the second roller group being arranged in frame, and film passes sequentially through input
Roller group, the first roller group, the second roller group and output roller group；One is provided with the frame and is connected to the first rod group for heating
The heater of film between the second roller group；The linear velocity of film when first roller group rotates thereon is less than the second roller group
The linear velocity of film during rotation thereon.
First roller group includes at least one the first roller and the second roller being rotatably arranged in frame, second roller
Cylinder can be additionally provided with can be connected on the film of the second roller surface first with respect to frame elevating movement in the frame
Anti-slipping mechanism.
First anti-slipping mechanism include being movably arranged on the first pressure roller in frame and for drive the first pressure roller against
The first anti-skidding driver on the film of the second roller surface；
Second roller group includes at least one third roll and the 4th roller being rotatably arranged in frame, the four-roller
Cylinder can be additionally provided with can be connected on the film of the 4th roller surface second with respect to frame elevating movement in the frame
Anti-slipping mechanism.
Second anti-slipping mechanism include being movably arranged on the second pressure roller in frame and for drive the second pressure roller against
The second anti-skidding driver on the film of the 4th roller surface.
The heater is be arranged at side for connecting the film between the first rod group and the second roller group red
Outside line heating tube.
Second roller group is all chill roll.
The beneficial effects of the utility model are：A kind of film longitudinal tensile fixture, including a frame, sequentially set in frame
There are input roller group, stretching roller group and an output roller group, the stretching roller group, which includes rotating, is arranged at the first roller group in frame and the
Two roller groups, film pass sequentially through input roller group, the first roller group, the second roller group and output roller group；A use is provided with the frame
The heater of the film between the first rod group and the second roller group is connected in heating；When first roller group rotates thereon
The linear velocity of film when the linear velocity of film rotates less than the second roller group thereon；The film longitudinal tensile fixture of above structure exists
The side for connecting the film between the first rod group and the second roller group sets infrared ray heating tube, and is rotated using the second roller group
When film thereon the linear velocity the characteristics of linear velocity of film is fast thereon when being rotated compared with the first roller group, realize film equably longitudinal direction
Stretching, prevent film heating deficiency from causing to stretch uneven or fracture situation generation, improve the quality of film longitudinal stretching.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
Embodiment
Reference picture 1, a kind of film longitudinal tensile fixture, including a frame 1, be sequentially set with frame 1 input roller group 10,
Roller group 20 and output roller group 30 are stretched, the stretching roller group 20 includes rotating the first roller group 21 and second being arranged in frame 1
Roller group 22, film pass sequentially through input roller group 10, the first roller group 21, the second roller group 22 and output roller group 30.
Be provided with the frame 1 one be used for heat be connected to film between the first rod group 21 and the second roller group 22
Heater 2, in the present embodiment, heater 2 is preferably to be arranged at for connecting the first rod group 21 and the second roller group 22
Between film side infrared ray heating tube, in other embodiments, heater 2 can also be heating wire；Described first
The linear velocity of film when the linear velocity of film when roller group 21 rotates thereon rotates less than the second roller group 22 thereon.In connection institute
The side for stating the film between the first rod group 21 and the second roller group 22 sets infrared ray heating tube, and is rotated using the second roller group 22
When its surface linear velocity its surface when being rotated compared with the first roller group 21 linear velocity it is fast the characteristics of, realize that film is equably longitudinally drawn
Stretch.
Input roller group 10 includes several heating rollers 11, is provided with frame 1 for driving several constant speed of heating roller 11
The heating roller driver of rotation, the heating roller driver also drive the first roller group 21 to rotate, the input roller of roller group 10 and first
When group 21 rotates, the linear velocity of the film on each roller is equal, the heating roller driver by a motor by gear train or
Belt wheel group inputs the roller group 21 of roller group 10 and first to drive.It is additionally provided with frame 1 for driving the second roller group 22 and outlet roller
When the outlet roller driver that group 30 rotates, the second roller group 22 and output roller group 30 rotate, the linear velocity phase of the film on each roller
By a motor the second roller group 22 and output roller group 30 are driven by gear train or belt wheel group Deng, outlet roller driver, it is described
Second roller group 22 and the linear velocity of the film in output roller group 30 are higher than first roller group 21 and the film inputted in roller group 10
Linear velocity, above structure film longitudinal tensile fixture work when, second roller group 22 and output roller group 30 on film
Linear velocity be 3~4 times of linear velocity of first roller group 21 and the film inputted in roller group 10.
First roller group 21 includes at least one the first roller 211 and the second roller 212 being rotatably arranged in frame 1,
Second roller 212 can be with respect to the elevating movement of frame 1, and the second roller 212 can be connected to by being additionally provided with the frame 1
The first anti-slipping mechanism 23 on the film on surface, the first anti-slipping mechanism 23 can prevent from occurring between film and the second roller 212
It is relative to slide, the quality of stabilizing films longitudinal stretching.
First anti-slipping mechanism 23 includes the first pressure roller 231 being movably arranged in frame 1 and for driving the first pressure
The first anti-skidding driver 232 that roller 231 is resisted against on the film on the surface of the second roller 212, the first pressure roller 231 are preferably a glue
Roller, the first anti-skidding driver 232 are connected with the roll shaft of the rubber roll, and in the present embodiment, the first anti-skidding driver 232 is a gas
Cylinder, the first anti-skidding driver 232 can also be hydraulic cylinder or the linear actuator by motor-driven gear rack.
Second roller group 22 includes at least one roller 222 of third roll 221 and the 4th being rotatably arranged in frame 1,
4th roller 222 can adjust film with respect to the elevating movement of frame 1 by adjusting the height and position of the 4th roller 222
Tensioning degree.The second anti-slipping mechanism that can be connected on the film on the surface of the 4th roller 222 is additionally provided with the frame 1
24, the second anti-slipping mechanism 24 can prevent that relative slip occurs between film and the 4th roller 222, stabilizing films longitudinal stretching
Quality.
Second anti-slipping mechanism 24 includes the second pressure roller 241 being movably arranged in frame 1 and for driving the second pressure
The second anti-skidding driver 242 that roller 241 is resisted against on the film on the surface of the 4th roller 222, the second pressure roller 241 are preferably a glue
Roller, the second anti-skidding driver 242 are connected with the roll shaft of the rubber roll, and in the present embodiment, the second anti-skidding driver 24 is a gas
Cylinder, the second anti-skidding driver 24 can also be hydraulic cylinder or the linear actuator by motor-driven gear rack.
Preferred embodiments of the present utility model are the foregoing is only, as long as realizing the utility model with essentially identical means
The technical scheme of purpose is belonged within the scope of protection of the utility model.
Claims (7)
1. a kind of film longitudinal tensile fixture, including a frame（1）, frame（1）On be sequentially set with input roller group（10）, stretching
Roller group（20）With output roller group（30）, it is characterised in that：
The stretching roller group（20）Frame is arranged at including rotating（1）On the first roller group（21）With the second roller group（22）, film
Pass sequentially through input roller group（10）, the first roller group（21）, the second roller group（22）With output roller group（30）；
The frame（1）On be provided with one and be connected to first roller group for heating（21）With the second roller group（22）Between it is thin
The heater of film（2）；
First roller group（21）The linear velocity of film during rotation thereon is less than the second roller group（22）Film during rotation thereon
Linear velocity.
A kind of 2. film longitudinal tensile fixture according to claim 1, it is characterised in that：
First roller group（21）Frame is rotatably arranged on including at least one（1）On the first roller（211）With the second roller
（212）, second roller（212）Can be with respect to frame（1）Elevating movement, the frame（1）On be additionally provided with and can abut
In the second roller（212）The first anti-slipping mechanism on the film on surface（23）.
A kind of 3. film longitudinal tensile fixture according to claim 2, it is characterised in that：
First anti-slipping mechanism（23）Including being movably arranged on frame（1）On the first pressure roller（231）With for drive first
Pressure roller（231）It is resisted against the second roller（212）The first anti-skidding driver on the film on surface（232）.
A kind of 4. film longitudinal tensile fixture according to claim 1, it is characterised in that：
Second roller group（22）Frame is rotatably arranged on including at least one（1）On third roll（221）With the 4th roller
（222）, the 4th roller（222）Can be with respect to frame（1）Elevating movement, the frame（1）On be additionally provided with and can abut
In the 4th roller（222）The second anti-slipping mechanism on the film on surface（24）.
A kind of 5. film longitudinal tensile fixture according to claim 4, it is characterised in that：
Second anti-slipping mechanism（24）Including being movably arranged on frame（1）On the second pressure roller（241）With for drive second
Pressure roller（241）It is resisted against the 4th roller（222）The second anti-skidding driver on the film on surface（242）.
A kind of 6. film longitudinal tensile fixture according to any claim in claim 1 to 5, it is characterised in that：
The heater（2）It is used to connect the first rod group to be arranged at（21）With the second roller group（22）Between film one
The infrared ray heating tube of side.
A kind of 7. film longitudinal tensile fixture according to claim 1, it is characterised in that：Second roller group（22）It is all
Chill roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218276.6U CN206678384U (en) | 2017-03-07 | 2017-03-07 | A kind of film longitudinal tensile fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218276.6U CN206678384U (en) | 2017-03-07 | 2017-03-07 | A kind of film longitudinal tensile fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206678384U true CN206678384U (en) | 2017-11-28 |
Family
ID=60392023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720218276.6U Active CN206678384U (en) | 2017-03-07 | 2017-03-07 | A kind of film longitudinal tensile fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206678384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701151A (en) * | 2022-02-23 | 2022-07-05 | 李锦蓓 | Stretching device and method for manufacturing polytetrafluoroethylene membrane with bird nest structure |
-
2017
- 2017-03-07 CN CN201720218276.6U patent/CN206678384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701151A (en) * | 2022-02-23 | 2022-07-05 | 李锦蓓 | Stretching device and method for manufacturing polytetrafluoroethylene membrane with bird nest structure |
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