CN220095530U - Polymer film off-line longitudinal stretching equipment - Google Patents
Polymer film off-line longitudinal stretching equipment Download PDFInfo
- Publication number
- CN220095530U CN220095530U CN202321710783.3U CN202321710783U CN220095530U CN 220095530 U CN220095530 U CN 220095530U CN 202321710783 U CN202321710783 U CN 202321710783U CN 220095530 U CN220095530 U CN 220095530U
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- Prior art keywords
- roller
- rollers
- groups
- stretching
- polymer film
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- 229920006254 polymer film Polymers 0.000 title claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 38
- 230000037303 wrinkles Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model relates to the technical field of film production equipment, and discloses polymer film off-line longitudinal stretching equipment which comprises two groups of racks, wherein the racks are provided with a guide-in roller, a preheating roller, a stretching roller, an annealing treatment roller and a cooling roller, the guide-in roller is arranged on one side of the top of the racks, a plurality of groups of preheating rollers are arranged below the guide-in roller, the plurality of groups of preheating rollers are obliquely arranged below the guide-in roller from top, a plurality of groups of stretching rollers and annealing treatment rollers are horizontally arranged below the preheating rollers, a plurality of groups of cooling rollers are arranged above the annealing treatment roller, and a plurality of groups of cooling rollers are obliquely arranged above the annealing treatment roller from bottom. The utility model can reasonably arrange rollers, reduce the occupied area, save the site cost, improve the stretching effect and effectively improve the actual use effect of the longitudinal stretching equipment.
Description
Technical Field
The utility model relates to the technical field of film production equipment, in particular to polymer film off-line longitudinal stretching equipment.
Background
The thin film is a thin and soft transparent sheet made of plastics, adhesives, rubber or other high polymer materials, and is widely used in the industries of electronics, machinery, printing, agriculture and the like. After the film produced by the casting and sheet production line is longitudinally stretched, the performance of the film can be greatly improved, for example, in agricultural production, the film used for packaging cotton and pasture has the characteristics of high toughness, tear resistance and the like; the longitudinal stretching machine for stretching the film longitudinally is divided into a horizontal type and a vertical type, for example, the Chinese patent with the application number of 201921003927.5 discloses an FEP film stretching device for a medical film-coating rubber plug, which is a vertical type longitudinal stretching machine, while the Chinese patent with the application number of 202120442638.6 discloses a polyester optical film longitudinal stretching machine, which is a horizontal type longitudinal stretching machine, but the principle structure is basically the same regardless of the horizontal type or the vertical type.
The prior art has at least the following problems: for large-scale longitudinal stretching machine, the diameter and the length of the roller are large, a horizontal structure is generally adopted, so that the maintenance is convenient, but the occupation area of the horizontal longitudinal stretching machine is large, and the requirements on factory building sites are high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model develops the polymer film off-line longitudinal stretching equipment, which can reasonably arrange rollers, reduce the occupied area, save the site cost, improve the stretching effect and effectively improve the actual use effect of the longitudinal stretching equipment.
The technical scheme for solving the technical problems is as follows: the utility model provides a polymer film off-line vertical stretching equipment, including two sets of frames, be equipped with leading-in roller, preheat roller, stretching roller, annealing treatment roller and chill roll in the frame, leading-in roller sets up in the top one side of frame, and the below of leading-in roller is equipped with a plurality of groups preheat roller, and a plurality of groups preheat roller is arranged by the below oblique below, and the below level of preheat roller is equipped with a plurality of groups stretching roller and annealing treatment roller, and the top of annealing treatment roller is equipped with a plurality of groups chill roll, and a plurality of groups chill roll are arranged by below oblique top.
As optimization, a plurality of groups of preheating rollers, a plurality of groups of stretching rollers, a plurality of groups of annealing rollers and a plurality of groups of cooling rollers are arranged in a triangle. The preheating rollers, the stretching rollers, the annealing rollers and the cooling rollers are arranged according to the triangle, so that the occupied area can be reduced, the number of the rollers can be increased or reduced according to the actual use condition, and different strengthening effects can be obtained on the film.
As optimization, the other side of the top of the frame is provided with a tension roller which is arranged above the cooling roller. By arranging the tension roller, the longitudinal wrinkles generated by stretching can be treated to control the tension of the film, and the longitudinal wrinkles of the product are avoided.
As optimization, the other side of the top of the frame is also provided with a flattening roller and a guiding-out roller set, and the flattening roller is arranged between the tension roller and the guiding-out roller set. By arranging the flattening roller, the longitudinal wrinkles generated by stretching can be treated by matching with the tension roller, so that the longitudinal wrinkles of the product are avoided; by providing the lead-out roller group, the film can be stably led out.
As an optimization, the lead-out roller group comprises an upper lead-out roller group and a lower lead-out roller group. By providing two sets of the leading-out rollers up and down, the film can be stably led out.
As optimization, one side of the stretching roller is correspondingly provided with a pressing roller. By providing the pressing roller, the film can be prevented from slipping.
Compared with the prior art, the utility model has the following beneficial effects:
by providing an introduction roller, the film can be introduced into the central area of the top of the frame and then contact the preheating roller downward; the preheating zone is formed by arranging a plurality of groups of preheating rollers, the heating effect is better, the preheating rollers of the groups are obliquely arranged from the upper part to the lower part, the number of the preheating rollers can be increased, the temperature difference between the preheating rollers is reduced, the preheating effect is improved, and the occupied area is saved; by arranging the stretching rollers, a stretching area is formed, the preheated film is heated and simultaneously longitudinal stretching orientation is induced, and the barrier property, rigidity, flatness and stretching strength of the film are improved; forming an annealing zone by providing an annealing roll, and maintaining the orientation induced in the film during stretching; the stretching roller and the annealing roller are arranged at the lower half part of the frame, and a long enough space is arranged on a plurality of groups of stretching rollers and annealing rollers so as to enhance the stretching effect and the heat treatment effect; through setting up a plurality of groups of chill rolls by below oblique top, can cool down the cooling design to the film, reduce longitudinal shrinkage to the slope is arranged and can be set up more chill rolls when reducing area. The utility model can reasonably arrange rollers, reduce the occupied area, save the site cost, improve the stretching effect and effectively improve the actual use effect of the longitudinal stretching equipment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
1, a rack; 2. an introducing roller; 3. a preheating roller; 4. a stretching roller; 5. an annealing treatment roller; 6. a cooling roller; 7. a tension roller; 8. a flattening roller; 9. a lead-out roller; 10. a press roller; 11. a film.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
Example 1
FIG. 1 is a schematic diagram of an embodiment of the present utility model, as shown in the drawing, a polymer film offline longitudinal stretching device, comprising two sets of frames 1, a lead-in roller 2, a preheating roller 3, a stretching roller 4, an annealing roller 5 and a cooling roller 6 are arranged between the two sets of frames 1, the lead-in roller 2 is arranged at one side of the top of the frames 1, a plurality of groups of preheating rollers 3 are arranged below the lead-in roller 2, the plurality of groups of preheating rollers 3 are obliquely arranged from top to bottom in a W shape, chromium plating is carried out on the surface of the preheating rollers 3, a spiral double-wall runner is arranged inside the chromium plating is used for circulating high temperature oil to make the surface temperature of the preheating rollers 3 uniform, a plurality of groups of stretching rollers 4 arranged in a V shape and annealing rollers 5 arranged in a W shape are horizontally arranged below the preheating rollers 3, the surface chromium plating of stretching roller 4 can prevent to appear the trace and heat transfer effect is good, inside is equipped with spiral double-walled runner, be used for circulating high temperature oil and make stretching roller 4 surface temperature even, annealing treatment roller 5's surface chromium plating can prevent to appear the trace, inside is equipped with spiral double-walled runner, be used for circulating high temperature oil and make spiral double-walled runner surface temperature even, thereby carry out annealing heat treatment, annealing treatment roller 5's top is equipped with a plurality of sets of chill rolls 6, a plurality of sets of chill rolls 6 are the inclined arrangement of W form by below slope to the top, chill roll 6's surface chromium plating can prevent to appear the trace, inside is equipped with spiral double-walled runner, be used for circulating cold water and make chill roll 6 surface temperature even, the cooling effect is good.
By providing the introduction roller 2, it is possible to introduce the film to the central area of the top of the frame 1 and then contact the preheating roller 3 downward; by arranging a plurality of groups of preheating rollers 3 to form a preheating zone, the film is heated in a positive-negative gradient way, the heating effect is better, the number of the preheating rollers 3 can be increased by obliquely arranging the groups of preheating rollers 3 from the upper part to the lower part, the temperature difference between the preheating rollers 3 is reduced, the preheating effect is improved, and the occupied area is saved; by arranging the stretching roller 4, a stretching area is formed, the preheated film is heated and simultaneously longitudinal stretching orientation is induced, and the barrier property, rigidity, flatness and stretching strength of the film are improved; forming an annealing zone by providing an annealing roll 5 to maintain the orientation induced during stretching of the film; the stretching roller 4 and the annealing roller 5 are arranged at the lower half part of the frame 1, and a space with enough length is arranged at the plurality of groups of stretching rollers 4 and annealing rollers 5 to enhance the stretching effect and the heat treatment effect; through setting up a plurality of sets of chill rolls 6 from below oblique top, can cool down the cooling design to the film, reduce longitudinal shrinkage to the slope is arranged and can be set up more chill rolls 6 when reducing area.
The preheating rollers 3, the stretching rollers 4, the annealing rollers 5 and the cooling rollers 6 are arranged in a triangle. The preheating rollers 3, the stretching rollers 4, the annealing rollers 5 and the cooling rollers 6 are arranged according to the triangle, so that the occupied area can be reduced, the number of various rollers can be increased or reduced according to the actual use condition, and different strengthening effects can be obtained on the film.
The other side of the top of the frame 1 is provided with a tension roller 7, and the tension roller 7 is arranged above the topmost cooling roller 6. By arranging the tension roller 7, the top space of the frame 1 can be reasonably utilized, the tension of the film can be controlled, the longitudinal wrinkles generated by stretching can be treated, and the longitudinal wrinkles of the product can be avoided.
The other side at the top of the frame 1 is also provided with a flattening roller 8 and a guiding-out roller set, and the flattening roller 8 is arranged between the tension roller 7 and the guiding-out roller set. By arranging the flattening roller 8, the top space of the frame 1 can be reasonably utilized, and the longitudinal wrinkles generated by stretching can be treated by matching with the tension roller 7, so that the longitudinal wrinkles of the product are avoided; by providing the lead-out roller group, the film can be stably led out.
The lead-out roller group comprises an upper group of lead-out rollers 9 and a lower group of lead-out rollers 9. By providing two sets of the take-out rollers 9 up and down, the film can be taken out stably.
One side of the stretching roller 4 is correspondingly provided with a pressing roller 10, and the surface of the pressing roller 10 is provided with organic silicon resin. By providing the pressing roller 10, the film can be prevented from slipping.
When the film stretching machine is used, the film 11 is sent to the preheating roller 3 through the leading-in roller 2, the film 11 is preheated in a positive-negative alternation and for a plurality of times by the preheating rollers 3, the film is conveyed from the upper middle part of the frame 1 to one end below the frame 1 and is conveyed to the stretching roller 4 for stretching, and the compression roller 10 properly presses the film 11 to the stretching roller 4 under the action of the air cylinder to prevent the film 11 from slipping in the stretching process; after the stretching is finished, the film 11 is subjected to positive and negative alternation and multiple annealing heat treatment shaping by an annealing treatment roller 5, then the film 11 enters a cooling area, is subjected to positive and negative alternation and is cooled by a cooling roller 6, the film 11 moves obliquely from the other end below the frame 1 to the middle position above the frame 1, and then sequentially passes through a tension roller 7, a flattening roller 8 and a guiding-out roller 9, and finally is guided out; the moving track of the film in the preheating zone, the stretching zone, the annealing zone and the annealing zone is triangular; the utility model can reasonably arrange rollers, reduce the occupied area, save the site cost, improve the stretching effect and effectively improve the actual use effect of the longitudinal stretching equipment.
The description of the orientation or relative positional relationship of the structures in the present utility model, such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the structures referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Claims (6)
1. The utility model provides a polymer film off-line vertical stretching equipment, includes two sets of frames (1), characterized by: be equipped with leading-in roller (2), preheat roller (3), stretch roller (4), annealing treatment roller (5) and chill roll (6) on frame (1), leading-in roller (2) set up in the top one side of frame (1), the below of leading-in roller (2) is equipped with a plurality of groups preheat roller (3), a plurality of groups preheat roller (3) are arranged by the top oblique below, the below level of preheat roller (3) is equipped with a plurality of groups stretch roller (4) and annealing treatment roller (5), the top of annealing treatment roller (5) is equipped with a plurality of groups chill roll (6), a plurality of groups chill roll (6) are arranged by the below oblique top.
2. The polymer film offline longitudinal stretching apparatus according to claim 1, wherein: the preheating rollers (3), the stretching rollers (4), the annealing rollers (5) and the cooling rollers (6) are arranged in a triangle.
3. The polymer film offline longitudinal stretching apparatus according to claim 1, wherein: the other side of the top of the frame (1) is provided with a tension roller (7), and the tension roller (7) is arranged above the cooling roller (6).
4. The polymer film offline longitudinal stretching apparatus according to claim 3, wherein: the other side at the top of the frame (1) is also provided with a flattening roller (8) and a guiding-out roller set, and the flattening roller (8) is arranged between the tension roller (7) and the guiding-out roller set.
5. The polymer film offline longitudinal stretching apparatus according to claim 4, wherein: the guiding-out roller group comprises an upper guiding-out roller (9) and a lower guiding-out roller (9).
6. The polymer film offline longitudinal stretching apparatus according to any one of claims 1-5, wherein: one side of the stretching roller (4) is correspondingly provided with a pressing roller (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321710783.3U CN220095530U (en) | 2023-06-30 | 2023-06-30 | Polymer film off-line longitudinal stretching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321710783.3U CN220095530U (en) | 2023-06-30 | 2023-06-30 | Polymer film off-line longitudinal stretching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220095530U true CN220095530U (en) | 2023-11-28 |
Family
ID=88865646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321710783.3U Active CN220095530U (en) | 2023-06-30 | 2023-06-30 | Polymer film off-line longitudinal stretching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220095530U (en) |
-
2023
- 2023-06-30 CN CN202321710783.3U patent/CN220095530U/en active Active
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| GR01 | Patent grant |