CN207243074U - A kind of draw-gear for being used to draw plastic film tube - Google Patents
A kind of draw-gear for being used to draw plastic film tube Download PDFInfo
- Publication number
- CN207243074U CN207243074U CN201721027652.XU CN201721027652U CN207243074U CN 207243074 U CN207243074 U CN 207243074U CN 201721027652 U CN201721027652 U CN 201721027652U CN 207243074 U CN207243074 U CN 207243074U
- Authority
- CN
- China
- Prior art keywords
- carry
- deflector roll
- guide roller
- over pinch
- draw
- 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 - Fee Related
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- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The utility model discloses a kind of draw-gear for being used to draw plastic film tube, it includes rack, rack-mounted first carry-over pinch rolls, the second carry-over pinch rolls, the first guide roller set and the second guide roller set, there is the gap passed through for plastic foil between the first carry-over pinch rolls and the second carry-over pinch rolls, the first guide roller set includes at least two the first deflector rolls being arranged in parallel；Second guide roller set includes at least two the second deflector rolls being arranged in parallel；The lower section of plane where first guide roller set and the second guide roller set are located at the central axis of the first carry-over pinch rolls and the second carry-over pinch rolls；First deflector roll and the secondth deflector roll are installed in rack；Motor is driven to drive guide roller axis to rotate, the angle between the first plane and the second plane is an acute angle.The utility model reduces film cylinder resistance suffered in moving process, reduces the probability that film cylinder produces wrinkle, improves the flatness of film cylinder.
Description
Technical field
It the utility model is related to the manufacturing and processing equipment of plastic foil, and in particular to a kind of traction for being used to draw plastic film tube
Device.
Background technology
In the production process of plastic film, the plastic film tube from extruder out needs the cooling by draw-gear
And extruding, tubular plastic film tube is become the plastic film of double-decker, currently used draw-gear uses carry-over pinch rolls
Formed with collapser, collapser therein is made of more deflector rolls, and plastic film tube is gradually pressed during by collapser
The flat planar structure as double-layer plastic film.
Be guide roll type collapser in current, relatively advanced device, be made of roller, under the drive of film cylinder, deflector roll into
Row rotates, although compared with board-like collapser, the frictional force between film cylinder and deflector roll is reduced, and deflector roll still has for film cylinder
There is larger resistance, under the action of the resistance, cause the contraction of each point on film cylinder inconsistent, be easily formed wrinkle, influence thin
The flatness of film.
Utility model content
To solve the above problems, the utility model proposes a kind of draw-gear, which, which is set, is provided with driving
Equipment, reduces film cylinder resistance suffered in moving process, reduces the probability that film cylinder produces wrinkle, improves film cylinder
Flatness, the concrete technical scheme of the utility model are as follows：
A kind of to be used to draw the draw-gear of plastic film tube, it includes rack, in rack and horizontally disposed the
One carry-over pinch rolls and the second carry-over pinch rolls, the first carry-over pinch rolls and the second carry-over pinch rolls are arranged in parallel, in the first carry-over pinch rolls and the second carry-over pinch rolls
Between there is the gap passed through for plastic foil, the draw-gear further includes rack-mounted first guide roller set, second leads
Roller group and the first driving motor and the second driving motor；
First guide roller set includes at least two the first deflector rolls being arranged in parallel, and the first deflector roll and the first carry-over pinch rolls are positioned at one the
The same side of one plane and tangent with first plane；First deflector roll is fixedly installed the first guide roller axis, and the first deflector roll is through first
Guide roller axis are rotatably installed in rack；
Second guide roller set includes at least two the second deflector rolls being arranged in parallel, and the second deflector roll and the second carry-over pinch rolls are positioned at one the
The same side of two planes and tangent with second plane；Second deflector roll is fixedly installed the second guide roller axis, and the second deflector roll is through second
Guide roller axis are rotatably installed in rack；
Plane where first guide roller set and the second guide roller set are located at the central axis of the first carry-over pinch rolls and the second carry-over pinch rolls
Lower section；
First guide roller axis of the output shaft of first driving motor through first transmission each first deflector roll of band connection；
Second guide roller axis of the output shaft of second driving motor through second transmission each second deflector roll of band connection；
Angle between first plane and the second plane is an acute angle.Preferably described first transmission belt and the second transmission belt
It is synchronous belt.
In the utility model, there is provided two driving motors, i.e., the first driving motor and the second driving motor, for dividing
Do not drive the second deflector roll in the first deflector roll and the second guide roller set in the first guide roller set, using driving motor to the first deflector roll and
After the driving of second deflector roll, film cylinder can be effectively reduced to the frictional force between the first deflector roll and the second deflector roll, thus can be effectively
Film cylinder resistance suffered in moving process is reduced, reduces the probability that film cylinder produces wrinkle, improves the flatness of film cylinder.
In utility model works, linear velocity when the first deflector roll and the second deflector roll rotate preferably when slightly below film cylinder mobile speed
Degree.
Further, the diameter of at least two first deflector roll is identical, and the diameter of at least two second deflector roll is identical.
It after diameter is identical, can effectively ensure the first deflector roll and the second deflector roll in rotation process, film cylinder can be produced uniform
Frictional force, is intended to suffered tension force between each section of film cylinder identical, improves the overall uniformity of film cylinder.
Further, the angle between the first plane and the second plane is 15~45 degree.In above-mentioned angle, film cylinder is being squeezed
During compressive strain, suffered frictional force is relatively fewer, can ensure the quality of plastic film.
Further, the outer circumferential surface of first carry-over pinch rolls and the second carry-over pinch rolls is both provided with rubber layer.After rubber layer is set,
The frictional force between film cylinder and carry-over pinch rolls can be increased, uniformity of the film cylinder in moving process is improved, avoid film cylinder from being moved through
Obvious velocity variations are produced in journey, unnecessary influence is caused on the quality of plastic film.
Further, the first deflector roll and the second deflector roll are made of copper pipe or stainless steel tube.Using copper pipe or stainless steel control
After making the first deflector roll and the second deflector roll, the heat transfer efficiency of deflector roll can be effectively improved, film cylinder is timely cooled down, makes
Film cylinder is shaped.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the utility model.
Fig. 2 be in Fig. 1 A-A to profile.
Embodiment
It is a kind of to be used to draw the draw-gear of plastic film tube refering to Fig. 1 and Fig. 2, it include rack, in rack simultaneously
Horizontally disposed first carry-over pinch rolls, 111 and second carry-over pinch rolls 112, the first carry-over pinch rolls 111 and the second carry-over pinch rolls 112 are arranged in parallel,
There is the gap passed through for plastic foil between the first carry-over pinch rolls and the second carry-over pinch rolls, the first carry-over pinch rolls and the second carry-over pinch rolls it is outer
Side face is both provided with rubber layer.
The draw-gear further include rack-mounted first guide roller set, the second guide roller set and first driving motor and
Second driving motor 17.Specifically in the present embodiment, the first carry-over pinch rolls 111 and the second carry-over pinch rolls 112 are installed on the traction of rack
In roller support 31, the axis 15 at 112 both ends of the first carry-over pinch rolls 111 and the second carry-over pinch rolls is installed in traction roller support through bearing 16.
First guide roller set includes eight the first deflector rolls 121 being arranged in parallel, the first deflector roll 121 and the first carry-over pinch rolls 111
In the same side of one first plane 131 and tangent with first plane 131；First deflector roll is fixedly installed the first guide roller axis, the
One deflector roll is rotatably installed in rack through the first guide roller axis, in the present embodiment, the first guide roller axis support of the first deflector roll
On the guide roller support 14 of rack.The diameter of the first all deflector rolls is identical.
Second guide roller set includes eight the second deflector rolls 122 being arranged in parallel, the second deflector roll 122 and the second carry-over pinch rolls 112
In the same side of one second plane 132 and tangent with second plane 132；Second deflector roll is fixedly installed the second guide roller axis, the
Two deflector rolls are rotatably installed in rack through the second guide roller axis, in embodiment, the second guide roller axis 13 of the second deflector roll
Support is on the guide roller support 14 of rack.The diameter of the second all deflector rolls is identical.
First guide roller set and the second guide roller set are located at where the central axis of the first carry-over pinch rolls 111 and the second carry-over pinch rolls 112
The lower section of plane 133.
First guide roller axis of the output shaft of first driving motor through first transmission each first deflector roll of band connection.
The output shaft 18 of second driving motor 17 connects the second deflector roll of each second deflector roll 122 through the second transmission belt 19
Axis 21.Above-mentioned the first transmission belt and the second transmission belt is synchronous belt.
The acute angle that angle α between first plane 131 and the second plane 132 is 30 degree.It is appreciated that in other embodiments
In, the angle α between the first plane 131 and the second plane 132 can be the arbitrary value between 15~45 degree.
In the present embodiment, the first deflector roll and the second deflector roll are made of copper pipe.It is appreciated that in other embodiments,
First deflector roll and the second deflector roll can also use stainless steel tube to make.
In the present embodiment, the first guide roller set includes eight the first deflector rolls being arranged in parallel, and the second guide roller set includes eight
The second deflector roll being arranged in parallel, it will be understood that in other embodiments, what the first guide roller set can only be arranged in parallel including two
First deflector roll, the second guide roller set can only include two the second deflector rolls being arranged in parallel, certainly above-mentioned the first deflector roll and second
Deflector roll can also set the radical of other quantity, and preferably the first deflector roll is identical with the quantity of the second deflector roll.
When embodiment works, film cylinder 20 when by the first guide roller set and the second guide roller set, is led first from bottom to top
Under the limitation of roller group and the second guide roller set, film cylinder 20 gradually becomes flat by cylindrical shape, finally as the flat of double membrane structure
Gap of the planar film between the first carry-over pinch rolls and the second carry-over pinch rolls enters next procedure after drawing, and works in the present embodiment
When, under the drive of the first driving motor and the second driving motor, the first deflector roll and the second deflector roll rotate synchronously, reduce film cylinder and
Frictional force between first deflector roll and the second deflector roll, so as to reduce film cylinder resistance suffered in moving process, reduces
Film cylinder produces the probability of wrinkle, improves the flatness of film cylinder.
Claims (6)
1. a kind of be used to draw the draw-gear of plastic film tube, it includes rack, in rack and horizontally disposed first
Carry-over pinch rolls and the second carry-over pinch rolls, the first carry-over pinch rolls and the second carry-over pinch rolls are arranged in parallel, the first carry-over pinch rolls and the second carry-over pinch rolls it
Between there is the gap passed through for plastic foil, the draw-gear is characterized in that, further includes rack-mounted first deflector roll
Group, the second guide roller set and the first driving motor and the second driving motor；
First guide roller set includes at least two the first deflector rolls being arranged in parallel, and the first deflector roll is flat positioned at one first with the first carry-over pinch rolls
The same side in face and tangent with first plane；First deflector roll is fixedly installed the first guide roller axis, and the first deflector roll is through the first deflector roll
Axis is rotatably installed in rack；
Second guide roller set includes at least two the second deflector rolls being arranged in parallel, and the second deflector roll is flat positioned at one second with the second carry-over pinch rolls
The same side in face and tangent with second plane；Second deflector roll is fixedly installed the second guide roller axis, and the second deflector roll is through the second deflector roll
Axis is rotatably installed in rack；
The lower section of plane where first guide roller set and the second guide roller set are located at the central axis of the first carry-over pinch rolls and the second carry-over pinch rolls；
First guide roller axis of the output shaft of first driving motor through first transmission each first deflector roll of band connection；
Second guide roller axis of the output shaft of second driving motor through second transmission each second deflector roll of band connection；
Angle between first plane and the second plane is an acute angle.
2. according to claim 1 be used to draw the draw-gear of plastic film tube, it is characterised in that described at least two the
The diameter of one deflector roll is identical, and the diameter of at least two second deflector roll is identical.
3. the draw-gear according to claim 1 for being used to draw plastic film tube, it is characterised in that first transmission belt
It is synchronous belt with the second transmission belt.
4. the draw-gear according to claim 1 for being used to draw plastic film tube, it is characterised in that the first plane and second
Angle between plane is 15~45 degree.
5. the draw-gear according to claim 1 for being used to draw plastic film tube, it is characterised in that first carry-over pinch rolls
Rubber layer is both provided with the outer circumferential surface of the second carry-over pinch rolls.
6. the draw-gear according to claim 1 for being used to draw plastic film tube, it is characterised in that the first deflector roll and second
Deflector roll is made of copper pipe or stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027652.XU CN207243074U (en) | 2017-08-16 | 2017-08-16 | A kind of draw-gear for being used to draw plastic film tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027652.XU CN207243074U (en) | 2017-08-16 | 2017-08-16 | A kind of draw-gear for being used to draw plastic film tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207243074U true CN207243074U (en) | 2018-04-17 |
Family
ID=61880583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721027652.XU Expired - Fee Related CN207243074U (en) | 2017-08-16 | 2017-08-16 | A kind of draw-gear for being used to draw plastic film tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207243074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887525A (en) * | 2022-04-13 | 2022-08-12 | 山东浦创流体技术有限公司 | Production device for shaping silicon carbide ceramic membrane for preventing deformation |
-
2017
- 2017-08-16 CN CN201721027652.XU patent/CN207243074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887525A (en) * | 2022-04-13 | 2022-08-12 | 山东浦创流体技术有限公司 | Production device for shaping silicon carbide ceramic membrane for preventing deformation |
| CN114887525B (en) * | 2022-04-13 | 2023-01-03 | 山东浦创流体技术有限公司 | Production device for shaping silicon carbide ceramic membrane for preventing deformation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: It is a kind of for drawing the traction device of plastic film tube Effective date of registration: 20190318 Granted publication date: 20180417 Pledgee: Nanjing bank Limited by Share Ltd Gaochun branch Pledgor: Fushun Nanjing Plastic Industry Co., Ltd. Registration number: 2019320000137 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |