A polyvinyl alcohol and PE composite film production equipment

Abstract

The present invention discloses a polyvinyl alcohol and PE composite film production device, relates to the field of composite film production equipment, and solves the problem of low composite strength of existing polyvinyl alcohol and PE composite films. The following scheme is proposed, which includes a base, a support plate, a motor, a forming roller, a feeding module, a hopper, a casting die, a first casting outlet, and a second casting outlet. Upper pipes are fixedly installed on the rear sides of the left and right feeding modules, respectively. Lower pipes are fixedly installed on the rear sides of the front and rear casting dies, and each lower pipe is installed with a gear pump. A metal hose is provided between the lower pipe and the upper pipe on the same left and right sides, and a hard pipe section is provided at one end of the metal hose near the lower pipe. The hard pipe section is provided with an adjustment component. This device effectively improves the composite strength of the polyvinyl alcohol and PE composite film and can flexibly adjust the upper and lower layer structures of the composite film during production.

Description

Technical Field

[0001] The present invention relates to the field of composite film production equipment, in particular to a polyvinyl alcohol and PE composite film production equipment. Background Art

[0002] Polyvinyl alcohol (PVA) is an organic compound with the chemical formula [C2H4O]n. It appears as an odorless white flaky, flocculent, or powdery solid. It is soluble in water (above 95°C) and slightly soluble in dimethyl sulfoxide (DMSO). It is insoluble in gasoline, kerosene, vegetable oils, benzene, toluene, ethylene dichloride, carbon tetrachloride, acetone, ethyl acetate, methanol, and ethylene glycol. Polyvinyl alcohol is an important chemical raw material used in the manufacture of polyvinyl acetal, gasoline-resistant pipes and vinylon, as well as textile treatment agents, emulsifiers, paper coatings, adhesives, and glues.

[0003] PE protective film, or Polyethylene, is the simplest macromolecular organic compound and the most widely used polymer material in the world today. PE protective film is based on a special polyethylene (PE) plastic film and is categorized by density into high-density polyethylene (HDPE), medium-density polyethylene (MDPE), and low-density polyethylene (LDPE).

[0004] The production of existing PE films is generally carried out through casting dies, and the existing casting dies have low composite strength when producing composite films of polyvinyl alcohol and PE, which is a major problem in conventional methods. Therefore, a production device for composite films of polyvinyl alcohol and PE is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a polyvinyl alcohol and PE composite film production device to solve the problem of low composite strength of the existing polyvinyl alcohol and PE composite film.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a polyvinyl alcohol and PE composite film production equipment, comprising a base, a support plate, a motor, and a forming roller, wherein feeding modules are symmetrically installed on both sides of the upper end of the base, and hoppers are symmetrically arranged on both sides above the feeding modules, and the upper inner wall of the base is provided with two front and rear casting molds, and the lower sides of the front and rear casting molds are respectively provided with casting outlet one and casting outlet two, and the rear sides of the left and right feeding modules are respectively fixedly installed with upper pipes, and the rear sides of the front and rear casting molds are fixedly installed with lower pipes, and each lower pipe is installed with a gear pump, and a metal hose is provided between the lower pipe and the upper pipe on the same left and right side, and a hard pipe section is provided at one end of the metal hose close to the lower pipe, and an adjustment component is provided on the hard pipe section.

[0007] Preferably, motors are fixedly mounted on the inner walls of both sides of the base, and forming rollers are fixedly connected between the output ends of the two motors close to each other. The forming rollers are arranged directly below the casting outlet 1 and the casting outlet 2 on the front and rear sides.

[0008] Preferably, the adjustment assembly includes a disc, a ring gear, a cylinder, a ring, an L-shaped plate, a first motor, a first gear, and a connecting plate. The outer sides of the two hard pipe sections are fixedly sleeved with a disc, and the outer sides of the discs are fixedly sleeved with a ring gear. The rear side of the disc is fixedly connected to the cylinder, and the outer side of the cylinder is rotatably sleeved with a ring. A connecting plate is fixedly connected between the ring and the base, an L-shaped plate is fixedly connected to the connecting plate, and the first motor is fixedly installed through the L-shaped plate. The output end of the first motor is fixedly sleeved with a first gear, and the first gear is meshed with the ring gear.

[0009] Preferably, the two front and rear casting dies, and the casting outlet 1 and casting outlet 2 uniformly form the rollers at an angle of °-°.

[0010] Preferably, the distance between the casting outlet 1, the casting outlet 2 and the roller surface of the forming roller is -CM.

[0011] Preferably, flanges are provided on the lower pipe, the upper pipe, the metal hose and the hard pipe section, and bolts are provided inside the flanges.

[0012] Preferably, the hard pipe section and the lower pipe are fixedly connected through a flange and bolts at one end close to each other, and the metal hose and the upper pipe are fixedly connected through a flange and bolts.

[0013] Preferably, a disc is fixedly sleeved on the outer side surfaces of the left and right hard pipe sections, and the ring is rotatably sleeved on the outer side surface of the cylinder through a bearing.

[0014] Preferably, the upper end of each connecting plate is fixedly connected to an L-shaped plate, and the first motor is fixedly installed through the L-shaped plate, and the first gear fixedly mounted on the rear output end of each first motor is meshed with the ring gear.

[0015] Compared with the related art, the polyvinyl alcohol and PE composite film production equipment provided by the present invention has the following beneficial effects:

[0016] 1. The present invention provides a polyvinyl alcohol and PE composite film production equipment, which comprises feeding modules installed on both sides of the upper end surface of a base, and hoppers symmetrically arranged on both sides above the feeding modules, and casting molds symmetrically arranged on the front and back sides of the upper inner wall of the base, and respectively provided with a first casting outlet and a second casting outlet. In this way, in specific use, the feeding modules and hoppers on the left and right sides can be connected and installed with the casting molds on the front and back sides respectively, and different casting materials can be provided to the casting molds on the front and back sides respectively during use, and then the materials are sequentially cast on the surface of the forming roller through the first casting outlet and the second casting outlet, so as to form a composite film of polyvinyl alcohol and PE, and the composite film formed by this method greatly improves the adhesion strength between each other, because both are heated and then flow out through the casting mold, and then in the hot state, the adhesion strength of the two layers of polyvinyl alcohol and PE on the surface of the forming roller can be effectively improved, thereby further improving the composite strength of the finished product.

[0017] 2. The present invention provides a production device for polyvinyl alcohol and PE composite film, wherein upper pipes are respectively connected to the rear sides of the feeding modules on both sides, and lower pipes are respectively fixedly connected to the rear sides of the front and rear casting molds, and a metal hose is provided between the upper pipe and the lower pipe on the same left and right sides, and a hard pipe section is provided at one end of the metal hose close to the lower pipe, and the upper pipe, the lower pipe, the metal hose and the hard pipe section are all fixedly connected with flanges, and bolts are provided in the flanges, so that the metal hose and the upper pipe can be connected by the flanges and bolts, and the hard pipe section and the lower pipe can be fixedly connected and installed by the flanges and bolts, so that the upper pipe and the lower pipe can be connected, so that different materials in the feeding modules on both sides can flow into the front and rear casting molds respectively, and the outer sides of the left and right hard pipe sections are both fixedly covered with discs, and the outer sides of the discs are fixedly covered with annular gears. The wheel, and the rear side of the disc are fixedly connected to the cylinder, and the outer side surface of the cylinder is rotatably sleeved with a ring, and the ring is fixedly connected to the base through a connecting plate, and an L-shaped plate is fixedly connected to the connecting plate, and is fixedly connected to the first motor through the L-shaped plate, and the output end of the first motor is fixedly sleeved with a first gear, and the first gears on both sides are meshed with the ring gear, so that the ring gear can be driven to rotate on the cylinder by the first motor, so that when the hard pipe section and the lower pipeline are disassembled through the flange and bolts, the disc can be driven to rotate by the first motor, and the exchange of material outlets in the feeding modules on both sides can be adjusted, and flow in different lower pipelines respectively, so that different casting materials can flow out of the casting outlet 1 and the casting outlet 2 on the front and rear sides respectively, thereby changing the upper and lower layer structures of the composite film formed on the forming roller, avoiding the cumbersome and inefficient disassembly and assembly of the machine over a large area. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a structural schematic diagram of a polyvinyl alcohol and PE composite film production device of the present invention.

[0019] Figure 2 This is a schematic diagram of the bottom-up structure of a polyvinyl alcohol and PE composite film production device of the present invention.

[0020] Figure 3 This is a rear structural schematic diagram of a polyvinyl alcohol and PE composite film production device of the present invention.

[0021] Figure 4 The figure is a schematic cross-sectional view of a polyvinyl alcohol and PE composite film production device of the present invention.

[0022] Figure 5 This is a right view of a polyvinyl alcohol and PE composite film production equipment of the present invention.

[0023] Figure 6 The present invention is a cross-sectional view of the structure of a polyvinyl alcohol and PE composite film production equipment.

[0024] Figure 7 This is a cross-sectional view of the side structure of a polyvinyl alcohol and PE composite film production device of the present invention.

[0025] In the figure: 1. Base; 2. Support plate; 3. Motor; 4. Forming roller; 5. Loading module; 6. Hopper; 7. Casting die; 8. Casting outlet 1; 9. Casting outlet 2; 11. Lower pipe; 12. Upper pipe; 13. Gear pump; 14. Metal hose; 15. Hard pipe section; 16. Flange; 17. Bolt; 18. Disc; 19. Ring gear; 20. Cylinder; 21. Ring; 22. L-shaped plate; 23. First motor; 24. First gear; 25. Connecting plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0027] See also Figure 1-7The present invention provides a technical solution: a polyvinyl alcohol and PE composite film production equipment, including a base 1, a support plate 2, a motor 3, and a forming roller 4. Feeding modules 5 are symmetrically installed on both sides of the upper end of the base 1, and hoppers 6 are symmetrically arranged on both sides above the feeding modules 5. Two front and rear casting molds 7 are provided on the upper inner wall of the base 1. Casting outlet 1 8 and casting outlet 2 9 are respectively installed on the lower sides of the casting molds 7 on the front and rear sides. Upper pipes 12 are respectively fixedly installed on the rear sides of the feeding modules 5 on the left and right sides, lower pipes 11 are fixedly installed on the rear sides of the casting molds 7 on the front and rear sides, and a gear pump 13 is installed on each lower pipe 11. A metal hose 14 is provided between the lower pipe 11 and the upper pipe 12 on the same left and right sides, and a hard pipe section 15 is provided at one end of the metal hose 14 close to the lower pipe 11, and an adjustment component is provided on the hard pipe section 15.

[0028] Motors 3 are fixedly installed on the inner walls of both sides of the base 1, and a forming roller 4 is fixedly connected between the output ends of the two motors 3 close to each other. The forming roller 4 is arranged directly below the casting outlet 1 8 and the casting outlet 2 9 on the front and rear sides. The adjustment component includes a disc 18, a ring gear 19, a cylinder 20, a ring 21, an L-shaped plate 22, a first motor 23, a first gear 24, and a connecting plate 25. The outer sides of the two hard pipe sections 15 are fixedly covered with discs 18, and the outer side of the disc 18 is fixedly covered with a ring gear 19. The rear side of the disc 18 is fixedly connected to the cylinder 20, and the cylinder A circular ring 21 is provided on the outer side of 20, and a connecting plate 25 is fixedly connected to the base 1. An L-shaped plate 22 is fixedly connected to the connecting plate 25, and a first motor 23 is fixedly installed through the L-shaped plate 22. The output end of the first motor 23 is fixedly sleeved with a first gear 24, and the first gear 24 is meshed with the ring gear 19. The front and rear two casting molds 7, and the casting outlet 1 8 and the casting outlet 2 9 maintain an angle of 10°-90° between the uniform forming roller 4, and the roller surface spacing between the casting outlet 1 8 and the casting outlet 2 9 and the forming roller 4 is 1-5CM.

[0029] In this embodiment, a feeding module 5 is installed on both sides of the upper end surface of the base 1, and a hopper 6 is symmetrically arranged on both sides above the feeding module 5, and a casting mold 7 is symmetrically arranged on the front and back sides of the upper inner wall of the base 1, and a casting outlet 1 8 and a casting outlet 2 9 are respectively provided. In this way, in specific use, the feeding modules 5 and the hopper 6 on the left and right sides can be connected and installed with the casting molds 7 on the front and back sides respectively, and then different casting materials can be provided to the casting molds 7 on the front and back sides respectively during use, and then the materials are sequentially fed into the casting molds 7 through the casting outlet 1 8 and the casting outlet 2 9. The material is cast on the surface of the forming roller 4, thereby forming a composite film of polyvinyl alcohol and PE, and the composite film formed by this method greatly improves the adhesion strength between each other, because both are heated and then flowed out through the casting mold 7, and then in the hot state, it can effectively improve the adhesion strength of the polyvinyl alcohol and PE layers on the surface of the forming roller 4, thereby further improving the composite strength of the finished product, and the gear pump 13 can also be used to adjust the casting flow rate of the front and rear casting outlets 1 8 and 2 9, thereby realizing the adjustment of the thickness of different layers of the composite film. Example

[0030] See also Figure 1-7 As shown, based on the first embodiment, the present invention provides a technical solution: flanges 16 are provided on the lower pipe 11, upper pipe 12, metal hose 14, and hard pipe section 15, and bolts 17 are installed within flanges 16. The hard pipe section 15 and lower pipe 11 are fixedly connected by flanges 16 and bolts 17 at their respective ends. The metal hose 14 and upper pipe 12 are fixedly connected by flanges 16 and bolts 17. A disk 18 is fixedly mounted on the outer sides of the left and right hard pipe sections 15. A ring 21 is rotatably mounted on the outer side of a cylinder 20 via a bearing. An L-shaped plate 22 is fixedly connected to the upper end of each connecting plate 25, and a first motor 23 is fixedly mounted via the L-shaped plate 22. A first gear 24 fixedly mounted on the rear output end of each first motor 23 is meshed with a ring gear 19.

[0031] In this embodiment, the upper pipes 12 are connected to the rear sides of the feeding modules 5 on both sides, and the rear sides of the casting molds 7 on the front and rear sides are fixedly connected to the lower pipes 11, and a metal hose 14 is provided between the upper pipe 12 and the lower pipe 11 on the same side of the left and right. A hard pipe section 15 is provided at one end of the metal hose 14 close to the lower pipe, and the upper pipe 12, the lower pipe 11, the metal hose 14, and the hard pipe section 15 are all fixedly connected to a flange 16, and a bolt 17 is provided in the flange 16, so that the The metal hose 14 is connected to the upper pipe 12 by a flange 16 and a bolt 17, and the hard pipe section 15 and the lower pipe 11 can also be fixedly connected and installed by the flange 16 and the bolt 17, thereby realizing the penetration of the upper pipe 12 and the lower pipe 11, so that the different materials in the feeding modules 5 on both sides can flow into the front and rear casting molds 7 respectively, and the outer sides of the left and right hard pipe sections 15 are fixedly covered with a disc 18, and the outer side of the disc 18 is fixedly covered with a ring gear 19, and the disc The rear side of 18 is fixedly connected to a cylinder 20, and the outer side surface of the cylinder 20 is rotatably covered with a ring 21, and the ring 21 is fixedly connected to the base 1 through a connecting plate 25, and an L-shaped plate 22 is fixedly connected to the connecting plate 25, and a first motor 23 is fixedly connected to the output end of the first motor 23. The first gears 24 on both sides are meshed with the ring gear 19, so that the first motor 23 can drive the ring gear 24 to rotate on the cylinder 20, so that when the hard pipe section 15 and the lower pipe 11 are connected through the flange 16 and the bolt 17, the first motor 23 can drive the disc 18 to rotate, and adjust the exchange of material outlets in the feeding modules 5 on both sides, and flow in different lower pipes 11 respectively, so that different casting materials can flow out of the casting outlet 1 8 and the casting outlet 2 9 on the front and rear sides respectively, thereby changing the upper and lower layer structures of the composite film formed on the forming roller 4, avoiding the cumbersome and inefficient disassembly and assembly of the machine over a large area.

[0032] Working principle: When the device is installed and used, feeding modules 5 are installed on both sides of the upper end surface of the base 1, and hoppers 6 are symmetrically arranged on both sides above the feeding modules 5, and casting molds 7 are symmetrically arranged on the front and back sides of the upper inner wall of the base 1, and casting outlet 1 8 and casting outlet 2 9 are respectively provided. In this way, in specific use, the feeding modules 5 and hoppers 6 on the left and right sides can be connected and installed with the casting molds 7 on the front and back sides respectively, and then different casting materials can be provided to the casting molds 7 on the front and back sides during use, and then the materials are cast on the surface of the forming roller 4 in turn through the casting outlet 1 8 and the casting outlet 2 9, and then a composite film of polyvinyl alcohol and PE can be formed. The composite film formed by this method greatly improves the adhesion strength between each other, because both are heated and flowed out through the casting mold 7, and then in the hot state, the adhesion strength of the two layers of polyvinyl alcohol and PE on the surface of the forming roller 4 can be effectively improved, thereby further improving the composite strength of the finished product.The upper pipes 12 are connected to the rear sides of the feeding modules 5 on both sides, and the rear sides of the casting molds 7 on the front and rear sides are fixedly connected to the lower pipes 11, and a metal hose 14 is provided between the upper pipe 12 and the lower pipe 11 on the same side of the left and right. A hard pipe section 15 is provided at one end of the metal hose 14 close to the lower pipe, and the upper pipe 12, the lower pipe 11, the metal hose 14, and the hard pipe section 15 are all fixedly connected to a flange 16, and a bolt 17 is provided in the flange 16, so that the metal hose 14 can be fixedly connected to the lower pipe 11. 4 is connected to the upper pipe 12 by a flange 16 and a bolt 17, and the hard pipe section 15 and the lower pipe 11 can also be fixedly connected and installed by the flange 16 and the bolt 17, thereby realizing the penetration of the upper pipe 12 and the lower pipe 11, so that different materials in the feeding modules 5 on both sides can flow into the front and rear casting molds 7 respectively, and the outer sides of the left and right hard pipe sections 15 are both fixedly sheathed with a disc 18, and the outer side of the disc 18 is fixedly sheathed with a ring gear 19, and the disc 18 is fixedly sheathed with a ring gear 19. A cylinder 20 is fixedly connected to the rear side, and a ring 21 is rotatably mounted on the outer side of the cylinder 20. The ring 21 is fixedly connected to the base 1 via a connecting plate 25. An L-shaped plate 22 is fixedly connected to the connecting plate 25, and a first motor 23 is fixedly mounted on the output end of the first motor 23. The first gears 24 on both sides are meshed and connected to the ring gear 19. In this way, the first motor 23 can drive the ring gear 24 to rotate on the cylinder 20. When the connection between the hard pipe section 15 and the lower pipe 11 via the flange 16 and bolts 17 is removed, the first motor 23 can drive the disc 18 to rotate, thereby adjusting the exchange of material outlets in the feeding modules 5 on both sides and flowing them into different lower pipes 11 respectively, so that different casting materials can flow out of the casting outlet 1 8 and casting outlet 2 9 on the front and rear sides, respectively, and thus the upper and lower layer structures of the composite film formed on the forming roller 4 can be changed, avoiding the cumbersome and inefficient disassembly and assembly of the machine over a large area.

Claims

1. A polyvinyl alcohol and PE composite film production device, comprising a base (1), a support plate (2), a motor (3), and a forming roller (4), characterized in that: Feeding modules (5) are symmetrically installed on both sides of the upper end of the base (1), and hoppers (6) are symmetrically arranged on both sides above the feeding modules (5). Two front and rear casting molds (7) are arranged on the upper inner wall of the base (1). Casting outlet 1 (8) and casting outlet 2 (9) are respectively installed on the lower sides of the casting molds (7) on the front and rear sides. Upper pipes (12) are fixedly installed on the rear sides of the feeding modules (5) on the left and right sides, and lower pipes (11) are fixedly installed on the rear sides of the casting molds (7) on the front and rear sides, and a gear pump (13) is installed on each lower pipe (11). A metal hose (14) is arranged between the lower pipe (11) and the upper pipe (12) on the same left and right sides, and a hard pipe section (15) is arranged on one end of the metal hose (14) close to the lower pipe (11), and an adjustment component is arranged on the hard pipe section (15); The adjustment assembly comprises a disc (18), a ring gear (19), a cylinder (20), a ring (21), an L-shaped plate (22), a first motor (23), a first gear (24), and a connecting plate (25). The outer side surfaces of the two hard pipe sections (15) are fixedly sleeved with the disc (18), and the outer side surface of the disc (18) is fixedly sleeved with the ring gear (19). The rear side of the disc (18) is fixedly connected to the cylinder (20), and the outer side surface of the cylinder (20) is rotatably sleeved with the ring (21). A connecting plate (25) is fixedly connected between the ring (21) and the base (1). The L-shaped plate (22) is fixedly connected to the connecting plate (25), and the first motor (23) is fixedly installed through the L-shaped plate (22). The output end of the first motor (23) is fixedly sleeved with the first gear (24), and the first gear (24) is meshingly connected to the ring gear (19). Motors (3) are fixedly mounted on the inner walls of both sides of the base (1), and a forming roller (4) is fixedly connected between the output ends of the two motors (3) close to each other on one side. The forming roller (4) is arranged directly below the first casting outlet (8) and the second casting outlet (9) on the front and rear sides.

2. The polyvinyl alcohol and PE composite film production equipment according to claim 1, characterized in that: The two front and rear casting molds (7), and the casting outlet 1 (8) and the casting outlet 2 (9) uniformly form the forming roller (4) at an angle of 10° to 90°.

3. The polyvinyl alcohol and PE composite film production equipment according to claim 2, characterized in that: The distance between the casting outlet 1 (8), the casting outlet 2 (9) and the roller surface of the forming roller (4) is 1-5CM.

4. The polyvinyl alcohol and PE composite film production equipment according to claim 1, characterized in that: The lower pipe (11), the upper pipe (12), the metal hose (14), and the hard pipe section (15) are all provided with flanges (16), and bolts (17) are provided inside the flanges (16).

5. The polyvinyl alcohol and PE composite film production equipment according to claim 4, characterized in that: The hard pipe section (15) and the lower pipe (11) are fixedly connected at one end thereof close to each other via a flange (16) and a bolt (17), and the metal hose (14) and the upper pipe (12) are fixedly connected via a flange (16) and a bolt (17).

6. The polyvinyl alcohol and PE composite film production equipment according to claim 5, characterized in that: The outer side surfaces of the hard pipe sections (15) on the left and right sides are fixedly sleeved with a disc (18), and the ring (21) is rotatably sleeved on the outer side surface of the cylinder (20) through a bearing.

7. The polyvinyl alcohol and PE composite film production equipment according to claim 6, characterized in that: The upper end of each connecting plate (25) is fixedly connected to an L-shaped plate (22), and a first motor (23) is fixedly mounted via the L-shaped plate (22). The first gear (24) fixedly mounted on the rear output end of each first motor (23) is meshedly connected to the ring gear (19).

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