Thin film high-speed three-layer co-extrusion production device

Abstract

The utility model relates to the technical field of film production, and discloses a film high-speed three-layer co-extrusion production device which comprises a supporting frame and a three-layer film co-extrusion die head, the three-layer film co-extrusion die head is provided with a film outlet, a first extrusion roller and a second extrusion roller are arranged on the two sides below the film outlet, and an adjusting part comprises first supporting plates located on the two sides of the first extrusion roller. Second motors are arranged on the side, away from the first extrusion roller, of the first supporting plate, third motors are arranged on the side, away from the second extrusion roller, of the second supporting plate, the two second motors can drive the first extrusion roller to rotate, and the two third motors can drive the second extrusion rollers to rotate. The first extrusion roller is jointly driven by the second motors on the two sides of the first extrusion roller to rotate, the second extrusion roller is jointly driven by the third motors on the two sides of the second extrusion roller to rotate, the rotating efficiency is improved, the high-speed co-extrusion effect is achieved, the co-extrusion effect of the first extrusion roller and the second extrusion roller is achieved through springs of the adjusting parts, and the extrusion force between the first extrusion roller and the second extrusion roller can be adjusted through threaded columns.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film production, especially to a film high -speed three -layer co -extrusion production device. BACKGROUND

[0002] Co -extrusion film, also known as co -extrusion film, is a special plastic packaging material, through the melt blending of multiple polymers simultaneously in the extrusion process, form a single multilayer structure, so as to combine the unique performance of each layer material, co -extrusion film with its excellent barrier properties, mechanical strength, processing performance and environmental protection characteristics, in food, medicine, chemical industry and other fields have been widely used, the structure of co -extrusion film is composed of multiple polymers of different properties, these polymers are closely combined together through co -extrusion technology, common co -extrusion film structure includes three, five or more layers, each layer plays a specific role, such as blocking oxygen, moisture, light, etc., thereby protecting the quality of the goods and prolonging its shelf life.

[0003] According to the patent network discloses a kind of film multilayer co -extrusion device (authorization announcement number is: CN217346614U) described in "the lower side of the adjusting press mechanism is provided with tension adjusting mechanism fixed on four fixed frame columns together, the adjusting press mechanism includes two fixed on the same side two fixed frame columns Parallel fixed rod, the upper side of each parallel fixed rod is fixed with telescopic adjusting driver through extension mounting plate, the output end of the telescopic adjusting driver is fixed with U-shaped fixed frame, the inner side of the U-shaped fixed frame is rotatably connected with extrusion roller."

[0004] For the above description, the applicant believes that the following problems exist:

[0005] The utility model in the use process, since each the upper side of parallel fixed rod is fixed with telescopic adjusting driver through extension mounting plate, the output end of the telescopic adjusting driver is fixed with U-shaped fixed frame, the inner side of the U-shaped fixed frame is rotatably connected with extrusion roller, the extrusion roller in prior art can only follow film driven rotation, cannot rotate autonomously, rotation efficiency is low in actual production process, often insufficient capacity, therefore needs to improve a kind of film high -speed three -layer co -extrusion production device to solve the above problems. Utility model content

[0006] In order to overcome the problem that the extrusion roller in prior art can only follow film driven rotation, cannot rotate autonomously, rotation efficiency is low in actual production process, often insufficient capacity.

[0007] The utility model discloses a technical scheme for a high-speed three-layer co-extrusion production device for film, which comprises a support frame, a three-layer film co-extrusion die head mounted on the support frame, a film outlet provided at the bottom of the three-layer film co-extrusion die head, an extrusion roller one and an extrusion roller two provided at the two sides below the film outlet, and an adjusting part through which the extrusion roller one and the extrusion roller two are extruded, wherein the adjusting part is slidably arranged on the support frame, a cooling part one is fixed on the adjusting part, a cooling part two is rotatably connected to the support frame, the adjusting part comprises a support plate one provided at the two sides of the extrusion roller one, a motor two is provided at the side of the support plate one away from the extrusion roller one, a support plate two is provided at the side of the extrusion roller two away from the extrusion roller two, a motor three is provided at the two sides of the support plate two, the two motor twos can drive the extrusion roller one to rotate, and the two motor threes can drive the extrusion roller two to rotate.

[0008] Preferably, the support frame comprises a rectangular frame, two support columns are provided below the rectangular frame, a frame plate is connected between the two support columns, a sliding rail is provided at the top of the frame plate, and the bottom of each of the support plate one and the support plate two is provided with a sliding block.

[0009] Preferably, the support plate one is provided with a through hole, the support plate two is provided with a threaded hole, the threaded column can be inserted into the through hole and engaged with the threaded hole, a bolt head is provided at one side of the threaded column, and a spring is sleeved on the threaded column between the support plate one and the bolt head.

[0010] Preferably, the adjusting part comprises a long plate provided between the two support plate twos, and a cooling fan is mounted on the long plate.

[0011] Preferably, an angle plate is provided below the frame plate, the cooling part two comprises a horizontal plate between the two angle plates, a third plate is provided below the horizontal plate, and a cooling fan is mounted on the third plate.

[0012] Preferably, a fourth plate is provided at one side of the third plate, a rotating column is provided at the two sides of the fourth plate, and a rotating hole corresponding to the rotating column is provided on the support column.

[0013] Preferably, a rotating wheel is rotatably connected to the horizontal plate, a motor one is mounted at the side of the horizontal plate away from the rotating wheel, a connecting column is provided at the side of the rotating wheel away from the motor one, a connecting block is provided on the third plate, a steel wire is sleeved on the connecting column, and the other end of the steel wire is fixedly connected to the connecting block.

[0014] The utility model has the advantages that compared with the U-shaped fixed frame, the extrusion roller is rotatably connected to the inner side of the U-shaped fixed frame, the motor two at the two sides of the extrusion roller one can jointly drive the extrusion roller one to rotate, the motor three at the two sides of the extrusion roller two can jointly drive the extrusion roller two to rotate, the load of the single motor two and the motor three is reduced, the rotating efficiency is improved, the effect of high-speed co-extrusion is realized, the spring of the adjusting part can realize the co-extrusion effect of the extrusion roller one and the extrusion roller two, and the threaded column can adjust the extrusion force between the extrusion roller one and the extrusion roller two. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is the schematic view of frame plate structure of the utility model;

[0017] Figure 3 It is the schematic view of cross plate structure of the utility model;

[0018] Figure 4 It is the schematic view of extrusion roller one structure of the utility model;

[0019] Figure 5 It is the schematic view of threaded column structure of the utility model.

[0020] Mark explanation: 1, three layer film co-extrusion die head; 11, film outlet; 2, support frame; 21, rectangular frame; 22, support column; 221, rotating hole; 24, frame plate; 241, sliding rail; 25, angle plate; 26, cross plate; 261, rotating wheel; 2611, connecting column; 262, motor one; 31, plate three; 311, connecting block; 32, plate four; 321, rotating column; 41, extrusion roller one; 411, support plate one; 4111, through hole; 412, motor two; 4121, threaded hole; 413, sliding block; 42, extrusion roller two; 421, support plate two; 422, motor three; 51, threaded column; 52, bolt head; 53, spring; 6, cooling fan; 61, long plate. Specific implementation

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figure 1 - Figure 5The utility model provides an embodiment: a kind of high-speed three-layer co-extrusion production device of film, it includes support frame 2, three-layer film co-extrusion die head 1 is installed on support frame 2, the bottom of three-layer film co-extrusion die head 1 is equipped with membrane outlet 11, two sides below membrane outlet 11 are equipped with extrusion roller one 41, extrusion roller two 42, extrusion roller one 41 and extrusion roller two 42 are extruded by adjusting portion each other, adjusting portion is slidably arranged on support frame 2, cooling portion one is fixed on adjusting portion, cooling portion two is rotatably connected on support frame 2, adjusting portion includes the support plate one 411 located at the both sides of extrusion roller one 41;Motor three 422 at the both sides of extrusion roller two 42, the side of support plate one 411 away from extrusion roller one 41 is equipped with motor two 412, the side of support plate two 421 away from extrusion roller two 42 is equipped with motor three 422, two motor two 412 can drive extrusion roller one 41 rotation, two motor three 422 can drive extrusion roller two 42 rotation, the motor two 412 of both sides of extrusion roller one 41 is commonly driven extrusion roller one 41 rotation, the motor three 422 of both sides of extrusion roller two 42 is commonly driven extrusion roller two 42 rotation, reduce single motor two 412, motor three 422 load, improve rotation efficiency, realize the effect of high-speed co-extrusion, extrusion roller one 41 and extrusion roller two 42 realize the effect of co-extrusion by the spring 53 of adjusting portion, threaded column 51 can adjust the extrusion force between extrusion roller one 41 and extrusion roller two 42.

[0023] Please refer to Figure 1 - Figure 4In the embodiment, the support frame 2 comprises a rectangular frame 21, a support column 22 is arranged below the rectangular frame 21, a shelf plate 24 is connected between the two support columns 22, a sliding rail 241 is arranged on the top of the shelf plate 24, a sliding block 413 is arranged on the bottom of the support plate one 411 and the support plate two 421 respectively, the three-layer film co-extrusion die head 1 is fixed through the rectangular frame 21, the sliding rail 241 can slide above the adjusting part, so that the adjusting part can adjust the position according to the diameter of the winding rod, the support plate one 411 is provided with a through hole 4111, the support plate two 421 is provided with a threaded hole 4121, the threaded column 51 can be inserted into the through hole 4111 and engaged with the threaded hole 4121, a bolt head 52 is arranged on one side of the threaded column 51, a spring 53 is sleeved on the threaded column 51 between the bolt head 52 and the support plate one 411, the threaded hole 4121 is engaged with the threaded column 51, so that the spring 53 is extruded by the bolt head 52, and the extrusion force is provided to the extrusion roller one 41 and the extrusion roller two 42, the adjusting part comprises a long plate 61 between the two support plate twos 421, the cooling fan 6 is installed on the long plate 61, the film coming out of the film outlet 11 is cooled by the cooling fan 6 on the long plate 61, so that the three-layer film is cooled and fused, the angle plate 25 is arranged below the shelf plate 24, the cooling part two comprises a horizontal plate 26 between the two angle plates 25, the plate three 31 is arranged below the horizontal plate 26, the cooling fan 6 is installed on the plate three 31, and the three-layer fused film is cooled again by the cooling fan 6 on the horizontal plate 26, so that the film on the winding rod is not adhered to each other.

[0024] Please refer to Figure 2 - Figure 5 In the embodiment, one side of the plate three 31 is provided with a plate four 32, the two sides of the plate four 32 are provided with rotating columns 321, the support column 22 is provided with rotating holes 221 corresponding to the rotating columns 321, the rotating columns 321 are rotated in the rotating holes 221, so that the cooling fan 6 on the plate three 31 cools in an arc range, the rotating wheel 261 is rotatably connected to the horizontal plate 26, the motor one 262 is installed on the side of the horizontal plate 26 away from the rotating wheel 261, the connecting column 2611 is arranged on the side of the rotating wheel 261 away from the motor one 262, the connecting block 311 is arranged on the plate three 31, the steel wire is sleeved on the connecting column 2611, and the other end of the steel wire is fixedly connected with the connecting block 311, the position of the steel wire is changed through the rotating wheel 261, the orientation of the plate three 31 is adjusted, and then the blowing direction of the cooling fan 6 on the plate three 31 is changed.

[0025] When working, the film coming out of the three-layer film co-extrusion die head 1 is co-extruded between the extrusion roller one 41 and the extrusion roller two 42, so that the three-layer film is co-bonded. The hot-pressed co-extruded three-layer film is subjected to first rapid cooling by the cooling fan 6 on the long plate 61, and then is cooled again by the cooling fan 6 on the plate three 31 with adjustable air direction when being conveyed to the winding rod. The adjustment part adjusts the pressure of the spring 53 by tightening or loosening the bolt head 52, so that the greater the pressure of the spring 53, the greater the extrusion force of the extrusion roller one 41 and the extrusion roller two 42; the smaller the pressure of the spring 53, the smaller the extrusion force of the extrusion roller one 41 and the extrusion roller two 42, so as to realize different pressing forces. The motor one 262 drives the rotating wheel 261 to rotate, and the eccentrically arranged connecting column 2611 rotates together, so that the steel wire sleeve on the connecting column 2611 drives the connecting block 311 on the plate three 31, so that the plate three 31 rotates around the axis of the rotating hole 221 to realize the rotating effect.

[0026] Through the above steps, the motor two 412 on both sides of the extrusion roller one 41 drives the extrusion roller one 41 to rotate, and the motor three 422 on both sides of the extrusion roller two 42 drives the extrusion roller two 42 to rotate, so as to reduce the load of the single motor two 412 and the motor three 422, improve the rotating efficiency, realize the effect of high-speed co-extrusion, and realize the co-extrusion effect of the extrusion roller one 41 and the extrusion roller two 42 through the spring 53 of the adjustment part. The threaded column 51 can adjust the extrusion force between the extrusion roller one 41 and the extrusion roller two 42, so as to solve the problem that the extrusion roller in the prior art can only follow the film to rotate and cannot rotate independently, and the rotating efficiency is low in the actual production process, and the production capacity is often insufficient.

Claims

1. A high-speed three-layer co-extrusion production apparatus for thin films, characterized in that: The device includes a support frame (2), on which a three-layer film co-extrusion die (1) is mounted. The bottom of the three-layer film co-extrusion die (1) has a film outlet (11). On both sides below the film outlet (11) are extrusion rollers one (41) and two (42). Extrusion rollers one (41) and two (42) are mutually extruded through an adjustment mechanism. The adjustment mechanism is slidably mounted on the support frame (2). A cooling unit one is fixed to the adjustment mechanism, and a cooling unit two is rotatably connected to the support frame (2). The component includes a support plate 1 (411) located on both sides of the extrusion roller 1 (41); and motors 3 (422) on both sides of the extrusion roller 2 (42). The support plate 1 (411) is provided with motor 2 (412) on the side away from the extrusion roller 1 (41), and the support plate 2 (421) is provided with motor 3 (422) on the side away from the extrusion roller 2 (42). The two motors 2 (412) can drive the extrusion roller 1 (41) to rotate, and the two motors 3 (422) can drive the extrusion roller 2 (42) to rotate.

2. The high-speed three-layer co-extrusion production apparatus for thin films according to claim 1, characterized in that: The support frame (2) includes a rectangular frame (21), a support column (22) is provided below the rectangular frame (21), a frame plate (24) is connected between the two support columns (22), a slide rail (241) is provided on the top of the frame plate (24), and a slider (413) is provided at the bottom of the first support plate (411) and the second support plate (421).

3. The high-speed three-layer co-extrusion production apparatus for thin films according to claim 2, characterized in that: Support plate one (411) is provided with a through hole (4111), and support plate two (421) is provided with a threaded hole (4121). A threaded post (51) can pass through the through hole (4111) and engage with the threaded hole (4121). A bolt head (52) is provided on one side of the threaded post (51), and a spring (53) is sleeved on the threaded post (51) between the bolt head (52) and support plate one (411).

4. The high-speed three-layer co-extrusion production apparatus for thin films according to claim 1, characterized in that: The adjustment unit includes a long plate (61) located between two support plates (421), on which a cooling fan (6) is mounted.

5. The high-speed three-layer co-extrusion production apparatus for thin films according to claim 3, characterized in that: A corner plate (25) is provided below the frame plate (24). The second cooling section includes a horizontal plate (26) between the two corner plates (25). A third plate (31) is provided below the horizontal plate (26). A cooling fan (6) is installed on the third plate (31).

6. The high-speed three-layer co-extrusion production apparatus for thin films according to claim 5, characterized in that: A plate four (32) is provided on one side of plate three (31), and a rotating column (321) is provided on both sides of plate four (32). A rotating hole (221) corresponding to the rotating column (321) is provided on the column (22).

7. The high-speed three-layer co-extrusion production apparatus for thin films according to claim 6, characterized in that: A rotating wheel (261) is rotatably connected to the horizontal plate (26). A motor (262) is installed on the side of the horizontal plate (26) away from the rotating wheel (261). A connecting column (2611) is provided on the side of the rotating wheel (261) away from the motor (262). A connecting block (311) is provided on the plate three (31). A steel wire is sleeved on the connecting column (2611), and the other end of the steel wire is fixedly connected to the connecting block (311).

Images