Mesh bag type casting device applied to photovoltaic film production line

Abstract

The utility model provides a mesh bag type casting device applied to a photovoltaic film production line. The mesh bag type casting device sequentially comprises an extrusion section, a first cooling section, an embossing section, a second cooling section and a winding section in the traction direction of a photovoltaic film, the extrusion section comprises an extruder, a metering pump is arranged at the discharging end of the extruder, and a die head is arranged at the discharging end of the metering pump. According to the structure, after a photovoltaic film is extruded and formed under the matching of the extruder and the die head of the extrusion section, the photovoltaic film can be primarily cooled through the first cooling belt of the first cooling section, so that the interior of the photovoltaic film can be quickly cooled and shaped, the subsequent embossing operation is facilitated, the production efficiency is improved, and the production cost is reduced. Through the arrangement of the heater of the knurling section, the surface of the photovoltaic film can be preheated before the photovoltaic film is knurled, so that knurling of the knurling roller is facilitated, and the knurling quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic film production line technical field especially relates to a kind of net bag type casting device applied to photovoltaic film production line. BACKGROUND

[0002] Photovoltaic film is a kind of thermosetting adhesive adhesive film, for being placed in laminated glass middle, to encapsulate photovoltaic cell, to protect its internal structure from the influence of external environment. Photovoltaic film production process, it usually needs a production line to produce it, according to production demand, some will embossing operation to photovoltaic film.

[0003] However, the traditional photovoltaic film production line is easy to stick or not to be shaped when producing photovoltaic film and embossing it, so that the embossing of final product appears flaw, affects production quality. INNOVATION CONTENT

[0004] The utility model discloses a kind of net bag type casting device applied to photovoltaic film production line, it sequentially includes extrusion section, first cooling section, embossing section, second cooling section and winding section along the traction direction of photovoltaic film;

[0005] To achieve the purpose, the technical scheme of the utility model is as follows:

[0006] The utility model provides a kind of net bag type casting device applied to photovoltaic film production line, it sequentially includes extrusion section, first cooling section, embossing section, second cooling section and winding section along the traction direction of photovoltaic film;

[0007] The extrusion section includes extruder, and the discharge end of the extruder is provided with metering pump, and the discharge end of the metering pump is provided with die head;

[0008] The first cooling section includes first cooling frame, and the first cooling frame is provided with driven shaft, driving shaft, multiple guide shafts and multiple tensioning shafts, and the driven shaft, driving shaft, multiple guide shafts and multiple tensioning shafts are all connected by first cooling belt transmission, and the first cooling belt is net structure with air hole;

[0009] The embossing section includes embossing frame, and the embossing frame is provided with mutually abutting flower roller and rubber roller, and the embossing frame is provided with heater, and the output end of the heater is towards flower roller;

[0010] The second cooling section includes second cooling frame, and the second cooling frame is provided with multiple horizontally spaced support rollers, so that the photovoltaic film passes through multiple support rollers in turn;

[0011] The winding section includes slitting guide assembly, first winding part and second winding part, so that the photovoltaic film is wound by first winding part and second winding part after slitting by slitting guide assembly.

[0012] In one embodiment, a plurality of cooling rollers, a thickness gauge and a guide frame are sequentially arranged on the embossing frame along the pulling direction of the photovoltaic film, the cooling rollers are arranged between the thickness gauge and the embossing roller, and the guide frame is provided with a plurality of guide rollers for guiding the photovoltaic film to the second cooling section.

[0013] In one embodiment, the slitting guide assembly comprises a slitting guide bracket, the slitting guide bracket is provided with a first pulling roller and a second pulling roller, and the slitting guide bracket is provided with a slitting piece between the first pulling roller and the second pulling roller, and the slitting piece is provided with a plurality of slitting knives.

[0014] In one embodiment, the slitting guide bracket is provided with a film separating roller, so that the slitted photovoltaic film is guided to the first winding part and the second winding part respectively after passing through the film separating roller.

[0015] In one embodiment, the slitting guide bracket is provided with a plurality of guide rollers, so that the photovoltaic film is guided to the second winding part after passing through the plurality of guide rollers.

[0016] In one embodiment, the first winding part and the second winding part each comprise a storage rack, a pulling winding machine and an automatic unloading draw shaft machine, and a grabbing mechanism is arranged between the pulling winding machine and the automatic unloading draw shaft machine for grabbing the inflation roller on the pulling winding machine to the automatic unloading draw shaft machine.

[0017] In one embodiment, the grabbing mechanism comprises a grabbing frame, a transverse moving seat is slidingly connected to the grabbing frame, a longitudinal moving seat is slidingly connected to the transverse moving seat, a grabbing slot is arranged on the longitudinal moving seat, and a grabbing claw is rotatably connected to the longitudinal moving seat at a position corresponding to the grabbing slot, and the grabbing claw is driven to rotate by a gas cylinder.

[0018] The above technical solution has at least the following advantages or beneficial effects: after the photovoltaic film is extruded by the cooperation of the extruder and the die of the extruding section, the photovoltaic film can be preliminarily cooled by the first cooling belt of the first cooling section, so that the interior of the photovoltaic film can be quickly cooled and shaped, facilitating subsequent embossing operation; the surface of the photovoltaic film can be preheated by the heater of the embossing section before embossing, facilitating embossing by the embossing roller and improving the quality of embossing; and after embossing, the photovoltaic film is naturally cooled by the second cooling section, and then is cut by the slitting guide assembly of the winding section, and is wound up by the first winding part and the second winding part respectively. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings illustrate exemplary embodiments of the present application and, together with the general description of the application given above, and the detailed description of the embodiments given below, serve to explain the principles of the present application. These drawings are included herewith and constitute a part of this specification.

[0020] Figure 1 Fig. 1 shows a schematic diagram of a web bag type casting device applied in a photovoltaic film production line according to an exemplary embodiment of the present application;

[0021] Figure 2 Fig. 2 shows a schematic diagram of an extrusion section according to an exemplary embodiment of the present application;

[0022] Figure 3 Fig. 3 shows a schematic diagram of a first cooling section according to an exemplary embodiment of the present application;

[0023] Figure 4 Fig. 4 shows a schematic diagram of an embossing section according to an exemplary embodiment of the present application;

[0024] Figure 5 Fig. 5 shows a schematic diagram of a second cooling section according to an exemplary embodiment of the present application;

[0025] Figure 6 Fig. 6 shows a schematic diagram of a winding section according to an exemplary embodiment of the present application;

[0026] Figure 7 Fig. 7 shows a schematic diagram of a winding section according to an exemplary embodiment of the present application;

[0027] Figure 8 Fig. 8 shows a schematic diagram of a slitting guide assembly according to an exemplary embodiment of the present application;

[0028] Figure 9 Fig. 9 shows a schematic diagram of a storage rack, a traction winding machine and an automatic unloading and shaft pulling machine according to an exemplary embodiment of the present application.

[0029] BRIEF DESCRIPTION OF THE DRAWINGS

[0030] 1. extrusion section;

[0031] 11. extruder; 12. metering pump; 13. die head;

[0032] 2. first cooling section;

[0033] 21. first cooling rack; 22. driven shaft; 23. driving shaft; 24. guide shaft; 25. tensioning shaft; 26. first cooling belt;

[0034] 3. embossing section;

[0035] 31 embossing frame; 32 embossing roller; 33 rubber roller; 34 heater; 35 cooling roller; 36 thickness gauge; 37 guide frame; 371 guide roller;

[0036] 4 second cooling section;

[0037] 41 second cooling frame; 42 supporting roller;

[0038] 5 winding section;

[0039] 51 slitting guide assembly; 511 slitting guide frame; 512 first traction roller; 513 second traction roller; 514 slitting member; 515 film slitting roller; 516 guide roller; 52 first winding part; 53 second winding part;

[0040] 6 storage frame;

[0041] 7 traction winding machine;

[0042] 8 automatic unloading and shaft pulling machine;

[0043] 9 grabbing mechanism;

[0044] 91 grabbing frame; 92 transverse moving seat; 93 longitudinal moving seat; 931 grabbing groove; 94 grabbing claw; 95 air cylinder. DETAILED DESCRIPTION

[0045] Embodiments of the present application will be described in more detail by referring to the attached drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided so as to more completely and thoroughly understand the present application. It should be understood that the drawings and embodiments of the present application are for exemplary purposes only and are not intended to limit the scope of protection of the present application.

[0046] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in more detail below with reference to the drawings and in conjunction with the embodiments.

[0047] The term "include" and variations thereof, as used in this document, mean the same as "comprise" or "comprises." The term "based on" means "based, at least in part, on." The term "one embodiment" means "at least one embodiment." The term "another embodiment" means "at least one additional embodiment." The term "some embodiments" means "at least some embodiments." Related terms shall be construed accordingly. It should be noted that "a" or "an" entity as used herein means "one or more" of that entity; the use of the term "at least one" in this context is to be interpreted as "one or more" of that entity. Also, the use of "a" or "an" should be interpreted as "one or more" in the context of using "a" or "an" preceding the introduction of a list of one or more entities, e.g., "a, an, or at least one of the entities X, Y, and Z" is to be interpreted as "one or more of the entities X, one or more of the entities Y, and one or more of the entities Z."

[0048] It should be noted that the terms "one" and "a" as used herein refer to "one or more" unless explicitly stated otherwise. Furthermore, to the extent that the terms "includes," "including," "has," "having" or variants thereof are used in either the detailed description or the claims, such terms are intended to be inclusive in a manner similar to the term "comprising."

[0049] The names of the messages or information exchanged between the plurality of devices in the embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of the messages or information.

[0050] Referring to Figures 1 to 6 The embodiment of the present application provides a net bag type casting device applied to a photovoltaic film production line, which comprises an extrusion section 1, a first cooling section 2, an embossing section 3, a second cooling section 4 and a winding section 5 in sequence along the traction direction of the photovoltaic film.

[0051] The extrusion section 1 comprises an extruder 11, a metering pump 12 arranged at the discharge end of the extruder 11, and a die head 13 arranged at the discharge end of the metering pump 12.

[0052] The first cooling section 2 comprises a first cooling frame 21, a driven shaft 22, a driving shaft 23, a plurality of guide shafts 24 and a plurality of tensioning shafts 25 arranged on the first cooling frame 21, and the driven shaft 22, the driving shaft 23, the plurality of guide shafts 24 and the plurality of tensioning shafts 25 are drivingly connected through a first cooling belt 26, and the first cooling belt 26 has a mesh structure with ventilation holes.

[0053] The embossing section 3 comprises an embossing frame 31, an embossing roller 32 and a rubber roller 33 arranged on the embossing frame 31 and in contact with each other, a heater 34 arranged on the embossing frame 31, and an output end of the heater 34 facing the embossing roller 32; wherein the heater 34 can be light heating.

[0054] The second cooling section 4 comprises a second cooling frame 41, and a plurality of support rollers 42 arranged on the second cooling frame 41 in a horizontal and spaced manner, so that the photovoltaic film passes through the plurality of support rollers 42 in sequence.

[0055] The winding section 5 comprises a slitting guide assembly 51, a first winding part 52 and a second winding part 53, so that after the photovoltaic film is slit by the slitting guide assembly 51, the photovoltaic film is wound by the first winding part 52 and the second winding part 53 respectively.

[0056] With the above structure, after the photovoltaic film is extruded by the cooperation of the extruder 11 and the die head 13 of the extruding section 1, the photovoltaic film can be preliminarily cooled by the first cooling belt 26 of the first cooling section 2, so that the interior of the photovoltaic film can be quickly cooled and shaped, facilitating subsequent embossing operation. With the arrangement of the heater 34 of the embossing section 3, the surface of the photovoltaic film can be preheated before embossing, facilitating embossing by the embossing roller 32, improving the quality of embossing, and after the embossing is completed, the photovoltaic film is naturally cooled by the second cooling section 4, and then slit by the slitting guide assembly 51 of the winding section 5, and wound by the first winding part 52 and the second winding part 53 respectively.

[0057] In an embodiment, referring to Figure 4 , along the traction direction of the photovoltaic film, a plurality of cooling rollers 35, a thickness gauge 36 and a guide frame 37 are sequentially arranged on the embossing frame 31. The cooling roller 35 is arranged between the thickness gauge 36 and the embossing roller 32. The guide frame 37 is provided with a plurality of guide rollers 371 for guiding the photovoltaic film to the second cooling section 4. In actual application, the cooling roller 35 arranged between the embossing roller 32 and the thickness gauge 36 can cool and shape the embossed surface of the photovoltaic film in time. The thickness gauge 36 can measure the thickness of the photovoltaic film to monitor the production quality of the photovoltaic film. The guide rollers 371 arranged on the guide frame 37 can guide the photovoltaic film to the second cooling section 4.

[0058] In an embodiment, referring to Figure 6 , Figure 7 and Figure 8 , the slitting guide assembly 51 comprises a slitting guide bracket 511. The first traction roller 512 and the second traction roller 513 are arranged on the slitting guide bracket 511. The slitting guide bracket 511 is provided with a slitting piece 514 between the first traction roller 512 and the second traction roller 513. The slitting piece 514 is provided with a plurality of slitting knives. In actual application, the first traction roller 512 and the second traction roller 513 can ensure the tension of the photovoltaic film. The slitting piece 514 is arranged between the first traction roller 512 and the second traction roller 513, so that the slitting knives of the slitting piece 514 can slit the photovoltaic film.

[0059] The slitting guide bracket 511 is provided with a film separating roller 515. The slit photovoltaic film is guided to the first winding part 52 and the second winding part 53 by the film separating roller 515. In actual application, the film separating roller 515 can support the photovoltaic film, so that part of the photovoltaic film is guided to the first winding part 52 and the other part is guided to the second winding part 53 after passing through the film separating roller 515.

[0060] The slitting guide bracket 511 is provided with a plurality of guide rollers 516, so that the photovoltaic film is guided to the second winding part 53 after passing through the plurality of guide rollers 516. In actual application, the setting of the guide rollers 516 can guide the photovoltaic film to the second winding part 53, so as to facilitate the winding of the second winding part 53.

[0061] The first winding part 52 and the second winding part 53 are both composed of a storage rack 6, a traction winding machine 7 and an automatic unloading shaft extractor 8. A grabbing mechanism 9 is arranged between the traction winding machine 7 and the automatic unloading shaft extractor 8, and is used to grab the inflated roller on the traction winding machine 7 to the automatic unloading shaft extractor 8. In actual application, the cooperation of the storage rack 6, the traction winding machine 7 and the automatic unloading shaft extractor 8 can wind the photovoltaic film and unload the photovoltaic film after winding. The grabbing mechanism 9 can grab the photovoltaic film after winding to the automatic unloading shaft extractor 8 for unloading.

[0062] In an embodiment, referring to Figure 8 and Figure 9 The grabbing mechanism 9 comprises a grabbing rack 91, a transverse moving seat 92 is slidably connected to the grabbing rack 91, a longitudinal moving seat 93 is slidably connected to the transverse moving seat 92, a grabbing groove 931 is arranged on the longitudinal moving seat 93, a grabbing claw 94 is rotatably connected to the longitudinal moving seat 93 at a position corresponding to the grabbing groove 931, and the grabbing claw 94 is driven to rotate by a cylinder 95. In actual application, the cylinder 95 is used to drive the rotation of the grabbing claw 94, so as to grab the inflated roller from the traction winding machine 7 to the automatic unloading shaft extractor 8.

[0063] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0064] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present application, and are not a limitation on the scope of the present application. For those skilled in the art, other changes or modifications can be made on the basis of the above application, and these changes or modifications are still within the scope of the present application.

Claims

1. A web-bag type casting device applied to a photovoltaic film production line, characterized by, The extrusion section, the first cooling section, the embossing section, the second cooling section and the winding section are arranged in sequence along the traction direction of the photovoltaic film. The extrusion section comprises an extruder, the discharge end of the extruder is provided with a metering pump, and the discharge end of the metering pump is provided with a die head. The first cooling section comprises a first cooling frame, the first cooling frame is provided with a driven shaft, a driving shaft, a plurality of guide shafts and a plurality of tensioning shafts, the driven shaft, the driving shaft, the plurality of guide shafts and the plurality of tensioning shafts are connected through a first cooling belt, and the first cooling belt has a mesh structure with ventilation holes. The embossing section comprises an embossing frame, the embossing frame is provided with a flower roller and a rubber roller which are in contact with each other, the embossing frame is provided with a heater, and the output end of the heater faces the flower roller. The second cooling section comprises a second cooling frame, the second cooling frame is provided with a plurality of support rollers arranged in horizontal intervals, so that the photovoltaic film passes through the plurality of support rollers in sequence. The winding section comprises a slitting guide assembly, a first winding part and a second winding part, so that the photovoltaic film is wound by the first winding part and the second winding part after being slit by the slitting guide assembly.

2. The web-bag type casting apparatus for use in a photovoltaic film production line according to claim 1, wherein Along the traction direction of the photovoltaic film, a plurality of cooling rollers, a thickness gauge and a guide frame are arranged in sequence on the embossing frame, the cooling rollers are arranged between the thickness gauge and the flower roller, and the guide frame is provided with a plurality of guide rollers for guiding the photovoltaic film to the second cooling section.

3. The web-bag type casting apparatus for use in a photovoltaic film production line according to claim 1, wherein The slitting guide assembly comprises a slitting guide support, the slitting guide support is provided with a first traction roller and a second traction roller, the slitting guide support is provided with a slitting piece between the first traction roller and the second traction roller, and the slitting piece is provided with a plurality of slitting knives.

4. The web-bag type casting apparatus for use in a photovoltaic film production line according to claim 3, wherein The slitting guide support is provided with a film splitting roller, so that the slit photovoltaic film is guided to the first winding part and the second winding part after passing through the film splitting roller.

5. The web-bag type casting apparatus for use in a photovoltaic film production line according to claim 3, wherein The slitting guide support is provided with a plurality of guide rollers, so that the photovoltaic film is guided to the second winding part after passing through the plurality of guide rollers.

6. The use of the web-bag type casting device in a photovoltaic film production line according to any one of claims 1, 3, 4 and 5, characterized in that, The first winding part and the second winding part each comprise a storage frame, a traction winding machine and an automatic unloading shaft machine, and a grabbing mechanism is arranged between the traction winding machine and the automatic unloading shaft machine for grabbing the inflation roller on the traction winding machine to the automatic unloading shaft machine.

7. The web-bag type casting apparatus for use in a photovoltaic film production line according to claim 6, wherein The grabbing mechanism comprises a grabbing frame, a transverse moving seat is slidably connected to the grabbing frame, a longitudinal moving seat is slidably connected to the transverse moving seat, a grabbing groove is arranged on the longitudinal moving seat, a grabbing claw is rotatably connected to the position corresponding to the grabbing groove on the longitudinal moving seat, and the grabbing claw is driven to rotate by a gas cylinder.

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