CN207711371U - A kind of film pre-stretching structure - Google Patents
A kind of film pre-stretching structure Download PDFInfo
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- CN207711371U CN207711371U CN201721850344.7U CN201721850344U CN207711371U CN 207711371 U CN207711371 U CN 207711371U CN 201721850344 U CN201721850344 U CN 201721850344U CN 207711371 U CN207711371 U CN 207711371U
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- draw roll
- draw
- sequentially connected
- film
- roll
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model is related to a kind of films to be pre-stretched structure, it includes rack and the first draw roll being successively set in rack, the second draw roll, third draw roll and the 4th draw roll, first draw roll and the first driving motor are sequentially connected, 4th draw roll and the second driving motor are sequentially connected, first draw roll and the second draw roll are sequentially connected, and the third draw roll and the 4th draw roll are sequentially connected；The utility model carries out drawing work by two groups of draw rolls to film, can thick film be effectively drawn into film, every group of draw roll is driven by different motors simultaneously, change the input speed of motor, different tensile elongations may be implemented, the stretching requirement of a variety of films can be met, equipment use scope is extensive.
Description
Technical field
The utility model is related to plastic film production equipment fields, and in particular to a kind of film pre-stretching structure.
Background technology
Stretching device is very important a ring in thin film fabrication industry, to adapt to use demand, to the thickness of film,
Performance requires, however film is when preliminarily forming, and is that requirement is not fully achieved, it is still desirable to draw film
It stretches, to produce thinner film, there is the tensile strength of bigger, smaller elongation at break；The drawing of existing film drawer
It is all to realize that the rotating speed of two draw rolls gradually increases by transmission by two draw rolls of a drive and control of electric machine to stretch roller driving
Greatly, thick film is gradually thus drawn into film to realize；But it realizes this effect, needs to need the diameter and spacing of draw roll
Higher precision is wanted, is otherwise difficult to achieve the effect that stretching, and these equipment are fixed due to transmission ratio, every equipment can only be drawn
The film for stretching fixed thickness requirement, cannot achieve generalization.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of films that stretched different-thickness film can be achieved
Prestressing mechanism.
Technical solution used by the utility model is：A kind of film is pre-stretched structure comprising rack and sets successively
Set the first draw roll, the second draw roll, third draw roll and the 4th draw roll in rack, first draw roll and first
Driving motor is sequentially connected, and the 4th draw roll and the second driving motor are sequentially connected, and first draw roll and second is drawn
Roller drive connection is stretched, the third draw roll and the 4th draw roll are sequentially connected.
It is both provided with transmission in one end of first draw roll, the second draw roll, third draw roll and the 4th draw roll
Gear, the transmission gear on transmission gear and the second draw roll on the first draw roll are sequentially connected, the biography on third draw roll
Transmission gear on moving gear and the 4th draw roll is sequentially connected.
Transmission gear on first draw roll, the second draw roll is sequentially connected by the first idle wheel, and the third is drawn
Stretch roller, the transmission gear on the 4th draw roll is sequentially connected by the second idle wheel.
The utility model is between first draw roll and the second draw roll, between the second draw roll and third draw roll
And it is both provided with Jie's roller between third draw roll and the 4th draw roll.
The utility model is respectively provided on first draw roll, the second draw roll, third draw roll and the 4th draw roll
There is rubber antiskid layer.
The utility model is provided with mounting plate in the left and right ends of the rack, and given an account of roller is arranged in two installations
Between plate, the mounting plate is connect with housing slide, and mounting plate is connected with the driving device of its movement of driving.
The side of the mounting plate is provided with limiting device.
The limiting device includes the limited block being mounted in rack and positioned at mounting plate side and leads to limited block
The lead screw being threadedly coupled is crossed, one end of the lead screw is in contact with mounting plate.
The driving device is oil cylinder or cylinder, and mounting plate is fixedly connected with piston rod, and cylinder body is connected with rack.
The good effect of the utility model is：The utility model carries out drawing work by two groups of draw rolls to film, can
Thick film is effectively drawn into film, while every group of draw roll is driven by different motors, and the input speed of motor is changed,
Different tensile elongations may be implemented, the stretching requirement of a variety of films can be met, equipment use scope is extensive.Draw roll it
Between commutated using gear drive, transmission ratio can equally be adjusted by changing the gear ratio of transmission, realize different tensile elongations
Rate.The film production that the utility model is suitable for multi-thickness, stretches when performance requirement.It is situated between roller and draw roll simultaneously
Distance can adjust, and can equally change the thickness and tensile elongation of oriented film, effectively improve the performance of film.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model Jie's roll structure schematic diagram；
Fig. 3 is the utility model the first draw roll structural schematic diagram.
Specific implementation mode
As illustrated in the accompanying drawings from 1 to 3, the utility model include rack 1 and be successively set on from bottom to up in rack 1 first
Draw roll 2, the second draw roll 3, third draw roll 4 and the 4th draw roll 5, the first draw roll 2 and the transmission of the first driving motor 9 connect
It connects, the 4th draw roll 5 and the second driving motor 11 are sequentially connected, and the first draw roll 2 and the second draw roll 3 are sequentially connected, third
Draw roll 4 and the 4th draw roll 5 are sequentially connected.First draw roll 2 and the second draw roll 3 form first group of draw roll, and third is drawn
It stretches roller 4 and the 4th draw roll 5 and forms second group of draw roll, by adjusting the defeated of the first driving motor 9 and the second driving motor 11
Go out rotating speed, two groups of draw rolls are stretched jointly to film, it can be achieved that the larger range of adjustment for tensile elongation, safety
It is convenient.
It is both provided in one end of first draw roll 2, the second draw roll 3, third draw roll 4 and the 4th draw roll 5
Transmission gear 12, the transmission gear 12 on transmission gear 12 and the second draw roll 3 on the first draw roll 2 pass through the first idle wheel 7
Wheel is meshed, and the transmission gear 12 on third draw roll 4 is crossed 6 phase of the second idle wheel with the transmission gear 12 on the 4th draw roll 5 and nibbled
It closes.Transmission gear 12 on first draw roll 2, the second draw roll 3 is sequentially connected by the first idle wheel 7, and the third is drawn
Stretch roller 4, the transmission gear 12 on the 4th draw roll 5 is sequentially connected by the second idle wheel 6.In first draw roll 2 and second
It is all provided between draw roll 3, between the second draw roll 3 and third draw roll 4 and between third draw roll 4 and the 4th draw roll 5
It is equipped with Jie's roller 13.Every group of draw roll is driven by idle wheel and is commutated, equally can be to drawing by adjusting the transmission ratio of every group of draw roll
Elongation is stretched to be adjusted.
It is both provided with rubber on first draw roll 2, the second draw roll 3, third draw roll 4 and the 4th draw roll 5
Skid resistant course 18.The frictional force between draw roll and film is promoted, ensures drawing effect.
As shown in Fig. 2, the left and right ends of the rack 1 are provided with mounting plate 15, and given an account of roller 13 is arranged by roll shaft
Between two mounting plates 15, Jie's roller 13 is formed with mounting plate 15 and is rotatablely connected, and Jie's roller 13 can rotate on mounting plate 15.
The mounting plate 15 is slidably connected with rack 1, and mounting plate 15 can move in the horizontal direction, is provided in the left side of mounting plate 15
The cylinder rod of cylinder 14, cylinder 14 is fixedly connected with mounting plate 15, and cylinder block is connect with rack 1, real by the control of cylinder 14
The movement of existing mounting plate 15, to drive Jie's roller 13 to move, the spacing between adjustment Jie roller 13 and four draw rolls equally can be with
Change the performance of oriented film.
The right side of the mounting plate 15 is provided with limiting device comprising be mounted in rack 1 and be located at mounting plate
The limited block 17 on 15 right sides and the lead screw 16 being connected through a screw thread with limited block 17, one end and the mounting plate 15 of the lead screw 16
It is in contact.Driving device drive installation plate 15 moves, and the left end for touching lead screw 16 stops, by adjusting the position of lead screw 16
Mounting plate 15 can be realized and be limited, ensure that Jie's roller position adjusts accuracy.
Such as attached drawing 2, in use, film enters from the first draw roll 2 of bottom end, and under the commutation of Jie's roller 13 effect according to
It is secondary upward, it can realize stretching by the effect of several draw rolls.The utility model can be by three kinds of means to tensile elongation
Rate is adjusted, that is, is adjusted the input speed of two driving motors, adjusted the transmission ratio between gear and adjust Jie's roller and draw
Stretch the distance between roller, may be implemented to the larger range of adjustment of tensile elongation, be suitable for multi-thickness, tensile elongation and
Performance requirement, the scope of application are wider.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in embodiment is stated to modify or equivalent replacement of some of the technical features；And these are repaiied
Change or replaces, the spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of film is pre-stretched structure, it is characterised in that it includes rack（1）And it is successively set on rack（1）On first
Draw roll（2）, the second draw roll（3）, third draw roll（4）With the 4th draw roll（5）, first draw roll（2）With first
Driving motor（9）It is sequentially connected, the 4th draw roll（5）With the second driving motor（11）It is sequentially connected, described first stretches
Roller（2）With the second draw roll（3）It is sequentially connected, the third draw roll（4）With the 4th draw roll（5）It is sequentially connected.
2. a kind of film according to claim 1 is pre-stretched structure, it is characterised in that in first draw roll（2）,
Two draw rolls（3）, third draw roll（4）With the 4th draw roll（5）One end be both provided with transmission gear（12）, the first draw roll
（2）On transmission gear（12）With the second draw roll（3）On transmission gear（12）It is sequentially connected, third draw roll（4）On
Transmission gear（12）With the 4th draw roll（5）On transmission gear（12）It is sequentially connected.
3. a kind of film according to claim 2 is pre-stretched structure, it is characterised in that first draw roll（2）, second
Draw roll（3）On transmission gear（12）Pass through the first idle wheel（7）It is sequentially connected, the third draw roll（4）, the 4th draw roll
（5）On transmission gear（12）Pass through the second idle wheel（6）It is sequentially connected.
4. being pre-stretched structure according to a kind of film of claim 1-3 any one of them, it is characterised in that stretched described first
Roller（2）With the second draw roll（3）Between, the second draw roll（3）With third draw roll（4）Between and third draw roll（4）With
4th draw roll（5）Between be both provided with Jie's roller（13）.
5. being pre-stretched structure according to a kind of film of claim 1-3 any one of them, it is characterised in that stretched described first
Roller（2）, the second draw roll（3）, third draw roll（4）With the 4th draw roll（5）On be both provided with rubber antiskid layer（18）.
6. a kind of film according to claim 4 is pre-stretched structure, it is characterised in that in the rack（1）Left and right ends
It is provided with mounting plate（15）, given an account of roller（13）It is arranged in two mounting plates（15）Between, the mounting plate（15）With machine
Frame（1）It is slidably connected, mounting plate（15）It is connected with the driving device of its movement of driving.
7. a kind of film according to claim 6 is pre-stretched structure, it is characterised in that in the mounting plate（15）Side
It is provided with limiting device.
8. a kind of film according to claim 7 is pre-stretched structure, it is characterised in that the limiting device includes being mounted on
Rack（1）Above and it is located at mounting plate（15）The limited block of side（17）And and limited block（17）The lead screw being connected through a screw thread
（16）, the lead screw（16）One end and mounting plate（15）It is in contact.
9. a kind of film according to claim 6 is pre-stretched structure, it is characterised in that the driving device is oil cylinder or gas
Cylinder（14）, mounting plate（15）It is fixedly connected with piston rod, cylinder body and rack（1）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850344.7U CN207711371U (en) | 2017-12-26 | 2017-12-26 | A kind of film pre-stretching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850344.7U CN207711371U (en) | 2017-12-26 | 2017-12-26 | A kind of film pre-stretching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207711371U true CN207711371U (en) | 2018-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721850344.7U Active CN207711371U (en) | 2017-12-26 | 2017-12-26 | A kind of film pre-stretching structure |
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| Country | Link |
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| CN (1) | CN207711371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032510A (en) * | 2017-12-26 | 2018-05-15 | 新乐华宝塑料机械有限公司 | A kind of film is pre-stretched structure |
-
2017
- 2017-12-26 CN CN201721850344.7U patent/CN207711371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032510A (en) * | 2017-12-26 | 2018-05-15 | 新乐华宝塑料机械有限公司 | A kind of film is pre-stretched structure |
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