CN203697467U - Two-way stretching equipment - Google Patents
Two-way stretching equipment Download PDFInfo
- Publication number
- CN203697467U CN203697467U CN201420013052.8U CN201420013052U CN203697467U CN 203697467 U CN203697467 U CN 203697467U CN 201420013052 U CN201420013052 U CN 201420013052U CN 203697467 U CN203697467 U CN 203697467U
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- China
- Prior art keywords
- roller
- roll shaft
- curve
- electrically connected
- rollers
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Abstract
The utility model discloses two-way stretching equipment. According to the technical scheme, the stretching equipment is characterized by comprising a stretching equipment body which comprises a rack as well as an unreeling device, a stretching oven and a rolling device which are sequentially arranged on the rack, wherein the unreeling device comprises a plurality of feeding rollers, the rolling device comprises a plurality of material receiving rollers, the stretching oven is internally provided with a plurality of curve rollers, each curve roller comprises a hollow roll shaft and a spherical drum, each roll shaft is symmetrically arranged at two ends of the corresponding drum, each roll shaft and the corresponding drum are integral and form a containing cavity, the containing cavity of each drum is internally provided with an electric heating ring fit with the wall of the containing cavity, each roll shaft is sheathed with a plurality of conductive rings, which are electrically connected with the corresponding electric heating ring, and the oven body also comprises a thermal couple electrically connected with the conductive rings and a temperature controller. According to the two-way stretching equipment, two-way prestretching of a thin film strip material in vertical and horizontal directions are realized, a foundation for transverse uniform stretching of the thin film strip material is laid, and the reliable quality of a product is guaranteed.
Description
Technical field
The utility model relates to a kind of production equipment of polytetrafluoroethylene (PTFE) product, is specifically related to a kind of biaxial tension equipment.
Background technology
In the preparation technology of polytetrafluoroethylene (PTFE) product, film band need to be carried out to multi-drawing and make certain thickness film product, comprising repeatedly longitudinal stretching and cross directional stretch, the film thickness that cross directional stretch makes is accurate to micron order, required precision is very high, and need to guarantee the uniformity of film thickness, therefore the longitudinal prestretched before cross directional stretch step is very crucial; Stretcher of the prior art generally comprises baking oven and is located at the roll in baking oven, heat by baking oven, roll handle thin films band is also carried out longitudinal stretching, although longitudinal prestretched of this prior art can realize prestretched effect, but can not meet the condition of cross directional stretch, because film thickness of strip is very thin, cross directional stretch process there will be defect in uneven thickness after film band cross directional stretch or fracture, affect the quality of final products, therefore still have improved space.
Utility model content
The deficiency existing for prior art, the utility model provides a kind of biaxial tension equipment, this biaxial tension equipment can be realized film band Two-way in the horizontal and vertical directions and stretch, and for the horizontal Uniform Tension of film band lays the foundation, guarantees the of fine qualities of product.
For achieving the above object, the utility model provides following technical scheme: a kind of biaxial tension equipment, comprise stretcher body, and stretcher body comprises frame and is located at successively unwinding device, drawing oven and the wrap-up in frame,
Unwinding device comprises some feeding rollers, and wrap-up comprises some material receiving rollers, is provided with some curve rollers in drawing oven;
Curve roller comprises roll shaft and the roller of hollow, and it is spherical that roller is, and roll shaft is symmetrically set in the two ends of roller;
Roll shaft and roller are wholely set and are formed with cavity volume;
In the cavity volume of roller, be provided with the electrothermal ring fitting with chamber wall;
On roll shaft, be arranged with some conducting rings, conducting ring is electrically connected with electrothermal ring.
By adopting technique scheme, in frame, be disposed with unwinding device, drawing oven and wrap-up, unwinding device is delivered to film band in drawing oven by feeding roller, and wrap-up will be got up by film band rolling out in drawing oven by material receiving roller; In drawing oven, be provided with some curve rollers, curve roller comprises roll shaft and the roller of hollow, roll shaft and roller are wholely set and are formed with cavity volume, in the cavity volume of roller, be provided with the electrothermal ring fitting with chamber wall, roll shaft is provided with some conducting rings that are electrically connected with electrothermal ring, conducting ring can rotate with roll shaft interlock, and can switch on and control electrothermal ring heating, the chamber wall of electrothermal ring and roller fits, can heat by pair roller barrel, heat is transmitted faster, and efficiency is high, energy consumption is little, and makes roller surface temperature more even; Roller is spherical simultaneously, when the winding of film band is on roller, while stretching, film band is produced to a longitudinal tensile force by roller transmission, and simultaneously spherical roller also can produce a horizontal prestretching force to film band; This biaxial tension equipment can be realized film band Two-way in the horizontal and vertical directions and stretch, and for the horizontal Uniform Tension of film band lays the foundation, guarantees the of fine qualities of product.
The utility model is further set to, and described baking oven body also comprises the thermocouple being electrically connected with conducting ring, and thermocouple is electrically connected with temperature controller.
By adopting technique scheme, conducting ring is electrically connected with thermocouple, and thermocouple is electrically connected with temperature controller, controls intuitively by the temperature of thermocouple and temperature controller pair roller barrel, can realize the adjusting of roller surface temperature.
The utility model is further set to, and described frame is provided with can synchronous interaction feeding roller, the chain drive of material receiving roller and curve roller, and chain drive is by electric-motor drive.
By adopting technique scheme, chain drive passes through Motor Drive, feeding roller, material receiving roller and curve roller are realized synchronous interaction transmission by chain drive, guarantee in film band drawing process, feeding roller, material receiving roller and curve roller all synchronously rotate, film band is stretched more evenly reliable, avoid feeding roller or material receiving roller or curve roller transmission to disconnect, cause film strip breaks or stretch inhomogeneous and finally affect product quality.
The utility model is further set to, and described chain drive comprises sprocket wheel, the chain of being located in frame and is located at respectively the gear on feeding roller, material receiving roller and curve roller.
By adopting technique scheme, chain drive comprises the gear of being located at respectively on feeding roller, material receiving roller and curve roller, and be located at sprocket wheel and the chain in frame, chain respectively with gear and the meshing interlock of sprocket wheel, by Motor Drive, it realizes Synchronous Transmission.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model stretcher body;
Fig. 2 is the structural representation of the utility model curve roller.
Reference numeral: 1, feeding roller; 2, curve roller; 21, roller; 22, roll shaft; 23, cavity volume; 24, electrothermal ring; 25, conducting ring; 3, material receiving roller.
Detailed description of the invention
Referring to figs. 1 through Fig. 2, the utility model biaxial tension apparatus embodiments is described further.
A kind of biaxial tension equipment, comprises stretcher body, and stretcher body comprises frame and be located at successively unwinding device, drawing oven and the wrap-up in frame,
Unwinding device comprises some feeding rollers 1, and wrap-up comprises some material receiving rollers 3, is provided with some curve rollers 2 in drawing oven;
Curve roller 2 comprises roll shaft 22 and the roller 21 of hollow, and roller 21 is spherical, and roll shaft 22 is symmetrically set in the two ends of roller 21;
Roll shaft 22 and roller 21 are wholely set and are formed with cavity volume 23;
In the cavity volume 23 of roller 21, be provided with the electrothermal ring 24 fitting with cavity volume 23 walls;
On roll shaft 22, be arranged with some conducting rings 25, conducting ring 25 is electrically connected with electrothermal ring 24.
By adopting technique scheme, in frame, be disposed with unwinding device, drawing oven and wrap-up, unwinding device is delivered to film band in drawing oven by feeding roller 1, and wrap-up will be got up by film band rolling out in drawing oven by material receiving roller 3, in drawing oven, be provided with some curve rollers 2, curve roller 2 comprises roll shaft 22 and the roller 21 of hollow, roll shaft 22 and roller 21 are wholely set and are formed with cavity volume 23, in the cavity volume 23 of roller 21, be provided with the electrothermal ring 24 fitting with cavity volume 23 walls, roll shaft 22 is provided with some conducting rings 25 that are electrically connected with electrothermal ring 24, conducting ring 25 can rotate with roll shaft 22 interlocks, and the control electrothermal ring 24 of can switching on heats, electrothermal ring 24 fits with cavity volume 23 walls of roller 21, can heat by pair roller barrel 21, heat is transmitted faster, efficiency is high, energy consumption is little, and make roller 21 surface temperatures more even, roller 21 is spherical simultaneously, when the winding of film band is on roller 21, while stretching, film band is produced to a longitudinal tensile force by roller 21 transmissions, and simultaneously spherical roller 21 also can produce a horizontal prestretching force to film band, this biaxial tension equipment can be realized film band Two-way in the horizontal and vertical directions and stretch, and for the horizontal Uniform Tension of film band lays the foundation, guarantees the of fine qualities of product.
Described baking oven body also comprises the thermocouple being electrically connected with conducting ring 25, and thermocouple is electrically connected with temperature controller.
By adopting technique scheme, conducting ring 25 is electrically connected with thermocouple, and thermocouple is electrically connected with temperature controller, controls intuitively by the temperature of thermocouple and temperature controller pair roller barrel 21, can realize the adjusting of roller 21 surface temperatures.
Described frame is provided with can synchronous interaction feeding roller 1, the chain drive of material receiving roller 3 and curve roller 2, and chain drive is by electric-motor drive.
By adopting technique scheme, chain drive passes through Motor Drive, feeding roller 1, material receiving roller 3 and curve roller 2 are realized synchronous interaction transmission by chain drive, guarantee in film band drawing process, feeding roller 1, material receiving roller 3 and curve roller 2 all synchronously rotate, film band is stretched more evenly reliable, avoid feeding roller 1 or material receiving roller 3 or curve roller 2 transmissions to disconnect, cause film strip breaks or stretch inhomogeneous and finally affect product quality.
Described chain drive comprises sprocket wheel, the chain of being located in frame and is located at respectively the gear on feeding roller 1, material receiving roller 3 and curve roller 2.
By adopting technique scheme, chain drive comprises the gear of being located at respectively on feeding roller 1, material receiving roller 3 and curve roller 2, and be located at sprocket wheel and the chain in frame, chain respectively with gear and the meshing interlock of sprocket wheel, by Motor Drive, it realizes Synchronous Transmission.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a biaxial tension equipment, comprises stretcher body, and described stretcher body comprises frame and is located at successively unwinding device, drawing oven and the wrap-up in frame, it is characterized in that:
Described unwinding device comprises some feeding rollers, and described wrap-up comprises some material receiving rollers, is provided with some curve rollers in described drawing oven;
Described curve roller comprises roll shaft and the roller of hollow, and it is spherical that roller is, and roll shaft is symmetrically set in the two ends of roller;
Roll shaft and roller are wholely set and are formed with cavity volume;
In the cavity volume of described roller, be provided with the electrothermal ring fitting with chamber wall;
On described roll shaft, be arranged with some conducting rings, conducting ring is electrically connected with electrothermal ring.
2. biaxial tension equipment according to claim 1, is characterized in that: described baking oven body also comprises the thermocouple being electrically connected with conducting ring, and described thermocouple is electrically connected with temperature controller.
3. biaxial tension equipment according to claim 1 and 2, is characterized in that: described frame is provided with can synchronous interaction feeding roller, the chain drive of material receiving roller and curve roller, and described chain drive is by electric-motor drive.
4. biaxial tension equipment according to claim 3, is characterized in that: described chain drive comprises sprocket wheel, the chain of being located in frame and is located at respectively the gear on feeding roller, material receiving roller and curve roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013052.8U CN203697467U (en) | 2014-01-09 | 2014-01-09 | Two-way stretching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013052.8U CN203697467U (en) | 2014-01-09 | 2014-01-09 | Two-way stretching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697467U true CN203697467U (en) | 2014-07-09 |
Family
ID=51047961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420013052.8U Expired - Fee Related CN203697467U (en) | 2014-01-09 | 2014-01-09 | Two-way stretching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697467U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016150222A1 (en) * | 2015-03-25 | 2016-09-29 | 华南理工大学 | Saddle curved-surface transition-based stepless bidirectional stretching method and device for film |
| CN109733920A (en) * | 2018-12-26 | 2019-05-10 | 上海泓阳机械有限公司 | A kind of two roll-ins production diaphragm equipment and technique for laboratory |
| CN113954342A (en) * | 2021-10-19 | 2022-01-21 | 江阴中达软塑新材料股份有限公司 | High-efficiency biaxial stretching propylene film manufacturing process and manufacturing device |
-
2014
- 2014-01-09 CN CN201420013052.8U patent/CN203697467U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016150222A1 (en) * | 2015-03-25 | 2016-09-29 | 华南理工大学 | Saddle curved-surface transition-based stepless bidirectional stretching method and device for film |
| RU2688584C2 (en) * | 2015-03-25 | 2019-05-21 | Саус Чайна Юниверсити Оф Текнолоджи | Method and device for continuous two-axis stretching of film based on transition through saddle-shaped surface |
| US10836096B2 (en) | 2015-03-25 | 2020-11-17 | South China University Of Technology | Method and device of film stepless biaxial tension based on saddle-shaped surface transition |
| CN109733920A (en) * | 2018-12-26 | 2019-05-10 | 上海泓阳机械有限公司 | A kind of two roll-ins production diaphragm equipment and technique for laboratory |
| CN109733920B (en) * | 2018-12-26 | 2023-12-15 | 上海泓阳机械有限公司 | Two-roll production diaphragm equipment and process for laboratory |
| CN113954342A (en) * | 2021-10-19 | 2022-01-21 | 江阴中达软塑新材料股份有限公司 | High-efficiency biaxial stretching propylene film manufacturing process and manufacturing device |
| CN113954342B (en) * | 2021-10-19 | 2022-08-19 | 江阴中达软塑新材料股份有限公司 | High-efficiency biaxial stretching propylene film manufacturing process and manufacturing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |