CN214773976U - Polyester film biaxial stretching apparatus for producing - Google Patents
Polyester film biaxial stretching apparatus for producing Download PDFInfo
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- CN214773976U CN214773976U CN202120315603.6U CN202120315603U CN214773976U CN 214773976 U CN214773976 U CN 214773976U CN 202120315603 U CN202120315603 U CN 202120315603U CN 214773976 U CN214773976 U CN 214773976U
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Abstract
The utility model discloses a polyester film biaxial stretching apparatus for producing, include: the device comprises a device shell, a driving mechanism, a film fixing mechanism and a transmission mechanism; the device shell is provided with symmetrical working cabins; the openings of the opposite side walls of the two working bins are arranged, and the top and the bottom of the working bins are respectively provided with a limiting plate; the driving mechanism comprises an annular linkage assembly and a driving assembly; two groups of annular linkage assemblies are arranged and symmetrically arranged in the two working bins; the annular linkage assembly is respectively provided with a plurality of supporting sliding plates, a plurality of film fixing mechanisms are respectively and correspondingly arranged on the plurality of supporting sliding plates, and the film fixing mechanisms rotate to the opening side of the working bin and can correspond to the limiting plates; the annular linkage assemblies in the two working bins are driven to operate, so that the film fixing mechanisms rotate circularly, the film is clamped at the feeding end and gradually stretched along with the circular motion, the clamping state is relieved to the outlet end, the stretched film is output by the output end, the whole stretching process is smooth and stable, the efficiency is high, and the yield is high.
Description
Technical Field
The utility model relates to a film production field, more specifically the utility model relates to a polyester film biaxial stretching apparatus for producing that says so.
Background
Plastic films are films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging, and used as film coatings. Polyurethane plastic film is one of many plastic films. There are many methods for forming polyurethane plastic films, and biaxially oriented films are the focus of attention. The bidirectional stretching film is prepared by heating and melting high plant resin by an extruder, extruding the high plant resin into a thick sheet, and stretching the thick sheet by a certain multiple under the action of external force to obtain an ideal plastic film.
The existing polyurethane plastic film biaxial tension processing method in the market has the following problems in the operation process: a. when the traditional bidirectional stretching processing method of the polyurethane plastic film is used for stretching the extruded thick film, namely the stretching process adopts independent setting, namely the coiled thick film needs to be independently cut and then independently stretched, namely the coiled thick film cannot be continuously processed effectively, so that the stretching efficiency of the device is low; b. when the polyurethane plastic film biaxial stretching processing method is used for stretching a thick film, the contact area between the clamping device used for being in contact with the thick film and the film is small, namely the clamping device cannot effectively and completely cover the surface of the film, so that when the thick film is stretched, the stress on two sides of the film is uneven, the local area on the surface of the thick film cannot be stretched in place, and the stretching effect of the film is poor.
Therefore, how to provide a biaxial stretching production device with good stretching effect is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a biaxial stretching apparatus for producing polyester film, which at least solves one of the above technical problems in the prior art to some extent.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a biaxial stretching production device for polyester films comprises: the device comprises a device shell, a driving mechanism, a film fixing mechanism and a transmission mechanism;
the device shell is provided with symmetrical working cabins; the two working cabins are arranged at the openings of the opposite side walls, and limiting plates are respectively arranged at the top and the bottom of the opening side; the two ends of the working bin are respectively and correspondingly a feeding end and a discharging end; the transmission mechanism is arranged at the feed end and the discharge end
The driving mechanism comprises an annular linkage assembly and a driving assembly;
two groups of annular linkage assemblies are arranged and symmetrically arranged in the two working bins; the annular linkage assembly comprises a first rotating shaft, a second rotating shaft, a first chain wheel chain structure, a second chain wheel chain structure, a first auxiliary guide rail and a second auxiliary guide rail; the first rotating shaft and the second rotating shaft are respectively and correspondingly arranged at the feeding end and the discharging end of the working bin and are perpendicular to the bottom plate of the working bin; the bottoms of the first rotating shaft and the second rotating shaft are rotatably connected with the bottom plate of the working bin through bearings;
a plurality of first supporting sliding plates and a plurality of second supporting sliding plates are respectively arranged on the chains of the first chain wheel chain structure and the second chain wheel chain structure, and each first supporting sliding plate is provided with a corresponding second supporting sliding plate; the first driving chain wheel and the first driven chain wheel of the first chain wheel and chain structure are respectively fixed at the positions, close to the tops, of the first rotating shaft and the second rotating shaft, the second driving chain wheel and the second driven chain wheel of the second chain wheel and chain structure are respectively fixed at the positions, close to the bottoms, of the first rotating shaft and the second rotating shaft, the first auxiliary guide rail is arranged on the lower sides of the first supporting sliding plates through supporting rods, and the second auxiliary guide rail is arranged on the lower sides of the second supporting sliding plates through supporting rods;
the driving assembly is respectively connected with the first rotating shafts in the two working bins;
the film fixing mechanism is provided with a plurality of supporting sliding plates I and supporting sliding plates II, the supporting sliding plates I and the supporting sliding plates II are correspondingly arranged in a plurality of positions respectively, and the opening side of the film fixing mechanism, which rotates to the working bin, can correspond to the limiting plate.
According to the technical scheme, compare with prior art, the utility model discloses a polyester film biaxial stretching apparatus for producing, during the use, through the operation of the annular linkage subassembly in two working warehouses of drive assembly drive, drive a plurality of film fixed establishment along annular linkage mechanism circulation rotation, the film is pressed from both sides tightly at the feed end by film fixed establishment, and along with cyclic motion is tensile gradually, remove the clamping state to the exit end, the film after the tensile is exported by the output, whole tensile process is smooth steady, high efficiency, the yield is high.
Preferably, in the above apparatus for biaxially stretching polyester film, the driving assembly includes a driving housing, a third rotating shaft, a third sprocket chain structure and a motor;
the driving shell is box-shaped, and two ends of the driving shell are respectively arranged at the feeding ends of the two working bins; two third rotating shafts are arranged, one ends of the two third rotating shafts respectively penetrate through the top plates of the two working bins and are fixedly connected with the first rotating shafts on the corresponding sides, and the other ends of the two third rotating shafts are provided with bearings and are rotatably connected with the top of the driving shell through the bearings; a third driving chain wheel and a third driven chain wheel of the third chain wheel and chain structure are respectively sleeved and fixed on the two third rotating shafts; the motor is fixed at the top of the driving shell, and an output shaft of the motor penetrates through a top plate of the driving shell and is fixed with one of the third rotating shafts.
Preferably, in the above apparatus for producing a biaxially oriented polyester film, the conveying mechanism is a conveyor; the two conveyors are respectively arranged at two ends of a gap in the middle of the two working bins; this scheme can promote the conveying efficiency of film.
Preferably, in the above apparatus for producing a biaxially oriented polyester film, the distance between the film fixing mechanisms at opposite positions in the two working bins gradually increases from the feeding end to the discharging end.
Preferably, in the above apparatus for producing a biaxially oriented polyester film, the film fixing mechanism includes a slide bar, a spring and a clamping block;
the sliding rod is vertically fixed on the first supporting sliding plate or the second supporting sliding plate, one end of the clamping block is connected with the sliding rod in a sliding mode, the spring is sleeved on the sliding rod, one end of the spring is fixed to one side, corresponding to the first supporting sliding plate or the second supporting sliding plate, of the sliding rod, and the other end of the spring is fixed to one side, corresponding to the clamping block, of the supporting sliding plate;
the clamping blocks arranged on the first supporting sliding plate and the second supporting sliding plate are correspondingly arranged; the scheme can change the position of the film clamping device through the contact of the clamping block and the limiting plate, achieves the purposes of clamping the film and releasing the film, does not need an additional tool, and is simple and practical in structure.
Preferably, in the above biaxial stretching device for polyester films, the clamping block is of a composite layer structure, and an elastic buffer layer is arranged in the middle of the clamping block; this scheme can prevent that relative tight piece of clamp from locating the card at the limiting plate and die, prevents to damage the film simultaneously.
Preferably, in the above biaxial stretching polyester film production apparatus, the pressing surface of the clamping block is provided with an anti-slip layer; this scheme can promote the frictional property of pressing from both sides tight piece, promotes stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention showing the top plate of the working bin removed;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a schematic view of the connection between the first middle support sliding plate and the film fixing mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the utility model discloses a polyester film biaxial stretching apparatus, includes:
the device comprises a device shell 1, a driving mechanism 2, a film fixing mechanism 3 and a transmission mechanism 4;
the device shell 1 is provided with symmetrical working cabins; the opposite side walls of the two working bins are provided with openings, and the top and the bottom of the opening sides are respectively provided with a limiting plate 10; the two ends of the working bin are respectively and correspondingly a feeding end and a discharging end; the transmission mechanism 4 is arranged at the feeding end and the discharging end;
the driving mechanism 2 comprises an annular linkage assembly 20 and a driving assembly 21;
two groups of annular linkage assemblies 20 are symmetrically arranged in the two working bins; the annular linkage assembly 20 comprises a first rotating shaft 201, a second rotating shaft 202, a first chain wheel and chain structure 203, a second chain wheel and chain structure 204, a first auxiliary guide rail 205 and a second auxiliary guide rail 206; the first rotating shaft 201 and the second rotating shaft 202 are respectively and correspondingly arranged at the feeding end and the discharging end of the working bin and are both vertical to the bottom plate of the working bin; the bottoms of the first rotating shaft 201 and the second rotating shaft 202 are rotatably connected with the bottom plate of the working bin through bearings;
a plurality of first support sliding plates 207 and a plurality of second support sliding plates 208 are respectively arranged on the chains of the first chain wheel chain structure 203 and the second chain wheel chain structure 204, and each first support sliding plate 207 is provided with a corresponding second support sliding plate 208; a first driving sprocket and a first driven sprocket of the first sprocket chain structure 203 are respectively fixed at the positions, close to the tops, of the first rotating shaft 201 and the second rotating shaft 202, a second driving sprocket and a second driven sprocket of the second sprocket chain structure 204 are respectively fixed at the positions, close to the bottoms, of the first rotating shaft 201 and the second rotating shaft 202, a first auxiliary guide rail 205 is arranged at the lower side of a plurality of first supporting sliding plates 207 through a support rod, and a second auxiliary guide rail 206 is arranged at the lower side of a plurality of second supporting sliding plates 208 through a support rod;
the driving components 21 are respectively connected with the first rotating shafts 201 in the two working bins;
the film fixing mechanisms 3 are arranged in a plurality and are respectively and correspondingly arranged on the first supporting sliding plates 207 and the second supporting sliding plates 208, and the opening sides of the film fixing mechanisms 3 which rotate to the working bin can correspond to the limiting plates 10.
In the above embodiment of the present invention, the driving assembly 21 includes the driving housing 210, the third rotating shaft 211, the third sprocket-chain structure 212 and the motor 213;
the driving shell 210 is box-shaped, and two ends of the driving shell are respectively arranged at the feeding ends of the two working bins; two third rotating shafts 211 are arranged, one ends of the two third rotating shafts 211 respectively penetrate through the top plates of the two working bins and are fixedly connected with the first rotating shafts 201 on the corresponding sides, and the other ends of the two third rotating shafts 211 are respectively provided with a bearing and are rotatably connected with the top of the driving shell 210 through the bearing; a third driving sprocket and a third driven sprocket of the third sprocket chain structure 212 are respectively sleeved and fixed on the two third rotating shafts 211; the motor 213 is fixed to the top of the driving housing 210, and its output shaft penetrates the top plate of the driving housing 210 and is fixed to one of the third rotating shafts 211.
In the above embodiment of the present invention, the conveying mechanism 4 is a conveyor; the two conveyors are respectively arranged at two ends of the gap between the middle parts of the two working bins.
The above embodiment of the present invention provides a distance between the film fixing mechanisms 3 at the relative positions in the two working bins gradually increases from the feeding end to the discharging end.
In the above embodiment of the present invention, the film fixing mechanism 3 includes the slide rod 30, the spring 31 and the clamping block 32;
the sliding rod 30 is vertically fixed on the first support sliding plate 207 or the second support sliding plate 208, one end of the clamping block 32 is connected with the sliding rod 30 in a sliding mode, the spring 31 is sleeved on the sliding rod 30, one end of the spring 31 is fixed to one side, corresponding to the first support sliding plate 207 or the second support sliding plate 208, of the spring, and the other end of the spring is fixed to one side, corresponding to the clamping block 32;
the first support sliding plate 207 and the second support sliding plate 208 are correspondingly provided with the clamping blocks 32.
In the above embodiment of the present invention, the clamping block 32 has a composite layer structure, and the middle portion thereof is provided with the elastic buffer layer 320.
In the above embodiments of the present invention, the pressing surface of the clamping block 32 is provided with an anti-slip layer.
Specifically, the utility model discloses a principle does:
when processing, polyurethane plastic raw material plate gets into the opening part of working bin from transmission mechanism 4, and the tight piece 32 of clamp at the working bin opening part slides along limiting plate 10, and the both sides of raw materials are cliied to the tight piece 32 of clamp that corresponds from top to bottom to remove along first sprocket chain structure 203 and second sprocket chain structure 204, and stretch like both sides with the raw materials gradually, remove to the discharge end, press from both sides tight piece 32 and slide down along limiting plate 10, release polyurethane plastic film, the 4 ejection of compact of transmission mechanism through the discharge end.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A polyester film biaxial stretching production device is characterized by comprising: the device comprises a device shell (1), a driving mechanism (2), a film fixing mechanism (3) and a transmission mechanism (4);
the device shell (1) is provided with symmetrical working bins; the opposite side walls of the two working bins are provided with openings, and the top and the bottom of the opening sides are respectively provided with a limiting plate (10); the two ends of the working bin are respectively and correspondingly a feeding end and a discharging end; the transmission mechanism (4) is arranged at the feeding end and the discharging end;
the driving mechanism (2) comprises an annular linkage assembly (20) and a driving assembly (21);
two groups of annular linkage assemblies (20) are arranged and symmetrically arranged in the two working bins; the annular linkage assembly (20) comprises a first rotating shaft (201), a second rotating shaft (202), a first chain wheel and chain structure (203), a second chain wheel and chain structure (204), a first auxiliary guide rail (205) and a second auxiliary guide rail (206); the first rotating shaft (201) and the second rotating shaft (202) are respectively and correspondingly arranged at the feeding end and the discharging end of the working bin and are perpendicular to the bottom plate of the working bin; the bottoms of the first rotating shaft (201) and the second rotating shaft (202) are rotatably connected with the bottom plate of the working bin through bearings;
a plurality of first support sliding plates (207) and a plurality of second support sliding plates (208) are respectively arranged on the chains of the first chain wheel chain structure (203) and the second chain wheel chain structure (204), and each first support sliding plate (207) is provided with the corresponding second support sliding plate (208); a first driving sprocket and a first driven sprocket of the first sprocket chain structure (203) are respectively fixed at positions, close to the tops, of the first rotating shaft (201) and the second rotating shaft (202), a second driving sprocket and a second driven sprocket of the second sprocket chain structure (204) are respectively fixed at positions, close to the bottoms, of the first rotating shaft (201) and the second rotating shaft (202), the first auxiliary guide rail (205) is arranged at the lower sides of the first supporting sliding plates (207) through supporting rods, and the second auxiliary guide rail (206) is arranged at the lower sides of the second supporting sliding plates (208) through supporting rods;
the driving assembly (21) is respectively connected with the first rotating shafts (201) in the two working bins;
film fixed establishment (3) are equipped with a plurality ofly, correspond respectively to set up a plurality ofly support slide one (207) with support on the slide two (208), film fixed establishment (3) rotate to the opening side of working bin can with limiting plate (10) correspond.
2. The biaxial stretching production device for polyester film as claimed in claim 1, wherein said driving assembly (21) comprises a driving housing (210), a third rotating shaft (211), a third sprocket-chain structure (212) and a motor (213);
the driving shell (210) is box-shaped, and two ends of the driving shell are respectively arranged at the feeding ends of the two working bins; two third rotating shafts (211) are arranged, one ends of the two third rotating shafts (211) respectively penetrate through the top plates of the two working bins and are fixedly connected with the first rotating shafts (201) on the corresponding side, and the other ends of the two third rotating shafts (211) are respectively provided with a bearing and are rotatably connected with the top of the driving shell (210) through the bearings; a third driving sprocket and a third driven sprocket of the third sprocket chain structure (212) are respectively sleeved and fixed on the two third rotating shafts (211); the motor (213) is fixed on the top of the driving shell (210), and an output shaft of the motor penetrates through a top plate of the driving shell (210) and is fixed with one of the third rotating shafts (211).
3. The biaxial stretching production device for polyester film as claimed in claim 2, wherein said conveying means (4) is a conveyor; the two conveyors are respectively arranged at two ends of the gap in the middle of the two working bins.
4. A biaxial stretching production apparatus for polyester film as set forth in claim 3, wherein the distance between said film holding means (3) at opposite positions in said two working chambers gradually increases from said feed end to said discharge end.
5. A biaxial stretching production apparatus for polyester film as set forth in claim 4, wherein said film holding means (3) comprises a slide bar (30), a spring (31) and a clamp block (32);
the sliding rod (30) is vertically fixed on the first supporting sliding plate (207) or the second supporting sliding plate (208), one end of the clamping block (32) is connected with the sliding rod (30) in a sliding mode, the spring (31) is sleeved on the sliding rod (30), one end of the spring is fixed to one side, corresponding to the first supporting sliding plate (207) or the second supporting sliding plate (208), of the spring, and the other end of the spring is fixed to one side, corresponding to the clamping block (32);
the first support sliding plate (207) and the second support sliding plate (208) are correspondingly provided with the clamping blocks (32).
6. A biaxial stretching production device for polyester film as claimed in claim 5, wherein said clamping block (32) is a composite structure with an elastic buffer layer (320) disposed in the middle.
7. The biaxial stretching production device for polyester film as claimed in claim 6, wherein the pressing surface of said clamp block (32) is provided with an anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120315603.6U CN214773976U (en) | 2021-02-03 | 2021-02-03 | Polyester film biaxial stretching apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120315603.6U CN214773976U (en) | 2021-02-03 | 2021-02-03 | Polyester film biaxial stretching apparatus for producing |
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| Publication Number | Publication Date |
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| CN214773976U true CN214773976U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120315603.6U Active CN214773976U (en) | 2021-02-03 | 2021-02-03 | Polyester film biaxial stretching apparatus for producing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714607A (en) * | 2022-02-18 | 2022-07-08 | 江苏永润包装材料有限公司 | Fastening movable film stretching mechanism |
| CN117799150A (en) * | 2024-02-28 | 2024-04-02 | 陕西宝昱科技工业股份有限公司 | Plastic film stretch forming equipment and plastic film stretch forming method |
| CN118544606A (en) * | 2024-07-29 | 2024-08-27 | 吉林诺德高科新材料有限公司 | Automotive glass PVB intermediate coat former |
-
2021
- 2021-02-03 CN CN202120315603.6U patent/CN214773976U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714607A (en) * | 2022-02-18 | 2022-07-08 | 江苏永润包装材料有限公司 | Fastening movable film stretching mechanism |
| CN117799150A (en) * | 2024-02-28 | 2024-04-02 | 陕西宝昱科技工业股份有限公司 | Plastic film stretch forming equipment and plastic film stretch forming method |
| CN117799150B (en) * | 2024-02-28 | 2024-05-07 | 陕西宝昱科技工业股份有限公司 | Plastic film stretch forming equipment and plastic film stretch forming method |
| CN118544606A (en) * | 2024-07-29 | 2024-08-27 | 吉林诺德高科新材料有限公司 | Automotive glass PVB intermediate coat former |
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