Unwinding mechanism for PE (polyethylene) and EVA (ethylene-vinyl acetate) curtain coating composite laminating unit

Abstract

The utility model discloses an unreeling mechanism for a PE (polyethylene) and EVA (ethylene-vinyl acetate) curtain coating composite laminating unit, which comprises a rack, two guide rollers are rotatably connected to the middle of the inner wall of the rack, two cleaning components are mounted on the inner wall of the rack and positioned between the two guide rollers, and one ends of two sides of the inner wall of the rack are rotatably connected with mounting parts through bearings. Winding rollers are mounted on the opposite sides of the two mounting pieces, external threads are formed in the two sides of the surfaces of the winding rollers, limiting discs are in threaded connection with the surfaces of the external threads, connecting grooves are formed in the two ends of one side of the inner wall of each mounting piece, springs are fixedly connected to the inner walls of the two connecting grooves, and displacement plates are fixedly connected to one ends of the two springs. According to the unwinding mechanism for the PE and EVA curtain coating composite laminating unit, the used winding roller can be quickly disassembled and replaced with a new winding roller with a laminating film, the working efficiency is improved, dust and impurities attached to the surface of the laminating film can be cleaned, and the subsequent processing quality is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite shower membrane processing technical field, concretely is a kind of PE, EVA flow casting composite shower membrane machine group's unwinding mechanism. BACKGROUND

[0002] PE, EVA flow casting composite shower membrane is a kind of PE and EVA are combined by flow casting and composite process, form the film material with excellent waterproof, breathable and flexible.

[0003] But the existing PE, EVA flow casting composite shower membrane machine group's unwinding mechanism has the following shortcomings:

[0004] (1) the existing unwinding mechanism after unwinding PE, EVA flow casting composite shower membrane, cannot quickly disassemble and replace new winding roller with shower membrane, and work efficiency is lower;

[0005] (2) the existing unwinding mechanism in the unwinding conveying process of PE, EVA flow casting composite shower membrane, lack the cleaning structure of shower membrane surface dust, affect processing quality. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of PE, EVA flow casting composite shower membrane machine group's unwinding mechanism, to solve the existing unwinding mechanism in the above background technique proposed after unwinding PE, EVA flow casting composite shower membrane, cannot quickly disassemble and replace new winding roller with shower membrane, and work efficiency is lower, the unwinding mechanism in the unwinding conveying process of PE, EVA flow casting composite shower membrane, lack the cleaning structure of shower membrane surface dust, affect processing quality Problem.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of PE, EVA flow casting composite shower membrane machine group's unwinding mechanism, including rack, the middle part of the inner wall of the rack is rotatably connected with two guide rollers, two cleaning components are installed in the inner wall between the two guide rollers of the rack, one end of the inner wall both sides of the rack is rotatably connected with mounting piece by bearing, winding roller is installed on the opposite side of two mounting pieces, outer thread is formed on the surface of the winding roller, the surface thread of the outer thread is connected with limit disc, two ends of the inner wall of the mounting piece are both connected with connecting groove, the inner wall of two connecting grooves is fixedly connected with spring, one end of two springs is fixedly connected with displacement plate, the surface of the displacement plate is fixedly connected with four clamping rods, the middle part of the inner wall of the mounting piece is fixedly embedded with electromagnet, the middle part of the displacement plate is fixedly embedded with nickel sheet.

[0008] When the unwinding mechanism of the PE and EVA flow casting composite curtain coating machine set is used, the used winding roller can be quickly disassembled, and a new winding roller loaded with curtain coating can be replaced, work efficiency is improved, dust and impurities attached to the surface of the curtain coating can be cleaned, and the processing quality of the subsequent process is avoided.

[0009] As a preferred technical scheme of the utility model, the cleaning assembly includes a fan, an air pipe, an air distribution shell, a plurality of air blow nozzles and two supporting rods, the fan is fixedly installed on the front face of the rack, the two supporting rods are fixedly connected to the two sides of the inner wall of the rack, the air distribution shell is fixedly connected to one end of the two supporting rods, a plurality of air blow nozzles are fixedly and communicatively connected to the surface of the air distribution shell, the output end of the fan is fixedly connected with the air pipe through the inner wall of the rack, and one end of the air pipe is fixedly and communicatively connected with the air distribution shell.

[0010] As a preferred technical scheme of the utility model, the input end of the fan is clamped with a filter screen. The filter screen is arranged to filter the dust in the introduced air.

[0011] As a preferred technical scheme of the utility model, four clamping holes are formed in the two ends of the winding roller, and the four clamping rods are clamped in the inner walls of the four clamping holes. The clamping of the clamping rods into the clamping holes can fix the position of the winding roller.

[0012] As a preferred technical scheme of the utility model, a sliding groove is formed in the two sides of the inner wall of the mounting piece, and the two sides of the displacement plate are slidingly connected to the inner walls of the two sliding grooves. The sliding groove plays a guiding role in the movement of the displacement plate to avoid skewing.

[0013] As a preferred technical scheme of the utility model, the side wall of the limiting disc is provided with a tooth. The tooth is arranged to play a non-slip effect and facilitate the rotation of the limiting disc.

[0014] As a preferred technical scheme of the utility model, a plurality of supporting rollers are rotatably connected to the inner wall of the rack. The supporting rollers are arranged to support the conveying of the curtain coating.

[0015] As a preferred technical scheme of the utility model, a reduction motor is fixedly installed at the bottom of one side of the front face of the rack, the output end of the reduction motor is fixedly connected with the mounting piece through the inner wall of the rack, and reinforcing ribs are fixedly connected to the two ends of the two sides of the bottom of the inner wall of the rack. The reinforcing ribs are arranged to improve the structural strength of the rack and avoid deformation.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The clamping rods in the mounting parts on both sides are clamped into the clamping holes at both ends of the winding roller under the action of springs to fix the film. When the PE and EVA cast composite film is unwound, the electromagnets in the mounting parts on both sides are activated to absorb the displacement plate with nickel sheet, so that the clamping rods are disengaged from the clamping holes, thereby releasing the lock and allowing the winding roller to be removed and replaced with a new one with the film. The operation is faster and more convenient, improving work efficiency.

[0018] 2. By setting up two upper and lower cleaning components in the unwinding mechanism, the fan can be started to introduce external air, which enters the air distribution shell through the air duct and is blown out from several blowing nozzles. When the PE and EVA cast composite film passes through, the dust and impurities attached to the top and bottom surfaces can be blown off to avoid affecting the subsequent processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a side view of the winding roller of the utility model;

[0022] Figure 4 This is a cross-sectional view of the mounting part of the utility model;

[0023] Figure 5 It is a side view of the cleaning component of the utility model.

[0024] In the figure: 1. Frame; 2. Support roller; 3. Cleaning assembly; 301. Fan; 302. Air duct; 303. Air distribution shell; 304. Blowing nozzle; 305. Support rod; 4. Guide roller; 5. Reducer motor; 6. Mounting part; 7. Winding roller; 8. External thread; 9. Limit plate; 10. Teeth; 11. Displacement plate; 12. Clamping rod; 13. Clamping hole; 14. Connecting groove; 15. Spring; 16. Electromagnet; 17. Nickel sheet; 18. Slide; 19. Filter; 20. Reinforcement rib. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5The utility model provides a unwinding mechanism for a PE and EVA cast composite laminating machine unit, comprising a frame 1. The middle part of the inner wall of the frame 1 is rotatably connected to two guide rollers 4, so that the laminating film at this part is in a horizontal state. Two cleaning components 3 are installed on the inner wall of the frame 1 between the two guide rollers 4. One end of both sides of the inner wall of the frame 1 is rotatably connected to a mounting member 6 through a bearing. A winding roller 7 is installed on the opposite side of the two mounting members 6 for winding the laminating film. External threads 8 are provided on both sides of the surface of the winding roller 7. The surface of the mounting member 6 is threadedly connected to a limit disk 9, which plays a role in limiting and preventing the lamination. Connecting grooves 14 are provided at both ends of one side of the inner wall of the mounting member 6. The inner walls of the two connecting grooves 14 are fixedly connected to springs 15. One end of the two springs 15 is fixedly connected to a displacement plate 11. Four clamping rods 12 are fixedly connected to the surface of the displacement plate 11. An electromagnet 16 is fixedly embedded in the middle of one side of the inner wall of the mounting member 6. A nickel sheet 17 is fixedly embedded in the middle of the displacement plate 11. The electromagnet 16 can overcome the elastic force of the spring 15 to adsorb the nickel sheet 17.

[0027] When in use, the clamping rods 12 in the mounting parts 6 on both sides are clamped at the two ends of the winding roller 7 under the action of the springs 15, playing a fixing role. After the PE and EVA cast composite coating film is unwound, the electromagnets 16 in the mounting parts 6 on both sides are started to adsorb the displacement plate 11 with the nickel sheet 17, so that the clamping rod 12 is disengaged from the winding roller 7, thereby releasing the lock and allowing the winding roller 7 to be removed and replaced with a new winding roller 7 with the coating film. The operation is faster and more convenient, thereby improving work efficiency.

[0028] The cleaning component 3 includes a fan 301, an air duct 302, an air distribution shell 303, several blowing nozzles 304 and two support rods 305. The fan 301 is fixedly installed on the front of the frame 1. The two support rods 305 are respectively fixedly connected to the two sides of the inner wall of the frame 1. One end of the two support rods 305 is fixedly connected to the air distribution shell 303. The surface of the air distribution shell 303 is fixedly connected with several blowing nozzles 304, which cleans the coating surface. The output end of the fan 301 is fixedly connected to the air duct 302 through the inner wall of the frame 1, and one end of the air duct 302 is fixedly connected to the air distribution shell 303. The input end of the fan 301 is engaged with a filter 19 for filtering dust.

[0029] When in use, by setting up two upper and lower cleaning components 3 in the unwinding mechanism, the fan 301 can be started to introduce external wind, and enter the air distribution shell 303 through the air duct 302, and blown out from several blowing nozzles 304. When the PE and EVA cast composite film passes through, the dust and impurities attached to the top and bottom surfaces can be blown off to avoid affecting the subsequent processing quality. The filter 19 set can filter the dust introduced into the air to prevent it from being blown to the surface of the film.

[0030] Four clamping holes 13 are arranged at the two ends of the winding roller 7, four clamping rods 12 are clamped on the inner walls of the four clamping holes 13 respectively, and the clamping rods 12 play a locking role, two sides of the inner wall of the mounting piece 6 are provided with sliding grooves 18, and the two sides of the displacement plate 11 are slidingly connected to the inner walls of the two sliding grooves 18 respectively, and the sliding grooves 18 play a guiding role, the side wall of the limiting disc 9 is provided with a tooth 10, and the tooth 10 plays an anti-skid role, the inner wall of the rack 1 is rotatably connected with a plurality of supporting rollers 2 for supporting the film, the bottom of the front side of the rack 1 is fixedly provided with a speed reducer 5, the output end of the speed reducer 5 is fixedly connected to the mounting piece 6 through the inner wall of the rack 1, and the speed reducer 5 is used for driving, and the two ends of the two sides of the inner wall of the rack 1 are fixedly connected with reinforcing ribs 20, so as to improve the structural strength.

[0031] In use, the reinforcing ribs 20 are arranged to improve the structural strength of the rack 1 and are not prone to deformation, PE and EVA flow casting composite film is arranged on the winding roller 7, the speed reducer 5 can be started to drive the winding roller 7 to rotate at a constant speed, and the winding roller 7 is matched with the plurality of supporting rollers 2 to unwind the PE and EVA flow casting composite film, the clamping holes 13 at the ends of the winding roller 7 are used for limiting and fixing during installation, the sliding grooves 18 in the mounting piece 6 can prevent the displacement plate 11 from moving and being skewed, and the tooth 10 is arranged to prevent the limiting disc 9 from slipping off when rotating.

[0032] In particular, the unwinding mechanism for the PE and EVA flow casting composite film machine set is used, PE and EVA flow casting composite film is arranged on the winding roller 7, the speed reducer 5 can be started to drive the winding roller 7 to rotate at a constant speed, and the winding roller 7 is matched with the plurality of supporting rollers 2 to unwind the PE and EVA flow casting composite film, the clamping rods 12 in the two mounting pieces 6 are clamped in the clamping holes 13 at the two ends of the winding roller 7 under the action of the springs 15, and the clamping rods 12 play a fixing role, when the PE and EVA flow casting composite film is unwound, the electromagnets 16 in the two mounting pieces 6 are started to attract the displacement plate 11 with the nickel sheet 17, so that the clamping rods 12 are separated from the clamping holes 13, thereby releasing the locking and the winding roller 7 can be disassembled and replaced with a new winding roller 7 with film, the operation is more rapid and convenient, the working efficiency is improved, the upper and lower cleaning assemblies 3 are arranged in the unwinding mechanism, the fan 301 can be started to introduce external wind, the wind enters the air distribution shell 303 through the air pipe 302, and is blown out from the plurality of air blowing nozzles 304, the PE and EVA flow casting composite film can blow off the dust and impurities attached to the top surface and the bottom surface when passing through, so as to avoid affecting the subsequent processing quality, the positions of the two limiting discs 9 can be adjusted in a rotating manner, and the limiting discs 9 can limit the film with different widths.

[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A unwinding mechanism for a PE and EVA cast composite laminating machine unit, comprising a frame (1), characterized in that: The middle of the inner wall of the frame (1) is rotatably connected to two guide rollers (4), and the inner wall of the frame (1) is provided with two cleaning assemblies (3) between the two guide rollers (4). One end of the inner wall of the frame (1) is rotatably connected to a mounting member (6) through a bearing, and a winding roller (7) is installed on the opposite side of the two mounting members (6). Both sides of the surface of the winding roller (7) are provided with external threads (8), and the surface of the external threads (8) is threadedly connected to a limit plate (9). Both ends of one side of the inner wall of the mounting member (6) are provided with a connecting groove (14), and the inner walls of the two connecting grooves (14) are fixedly connected to a spring (15). One end of the two springs (15) is fixedly connected to a displacement plate (11), and the surface of the displacement plate (11) is fixedly connected to four clamping rods (12). An electromagnet (16) is fixedly embedded in the middle of one side of the inner wall of the mounting member (6), and a nickel sheet (17) is fixedly embedded in the middle of the displacement plate (11).

2. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 1, characterized in that: The cleaning assembly (3) comprises a fan (301), an air duct (302), an air distribution shell (303), a plurality of air blowing nozzles (304) and two support rods (305); the fan (301) is fixedly mounted on the front of the frame (1); the two support rods (305) are respectively fixedly connected to the two sides of the inner wall of the frame (1); one end of the two support rods (305) is fixedly connected to the air distribution shell (303); the surface of the air distribution shell (303) is fixedly connected to the plurality of air blowing nozzles (304); the output end of the fan (301) passes through the inner wall of the frame (1) and is fixedly connected to the air duct (302); and one end of the air duct (302) is fixedly connected to the air distribution shell (303).

3. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 2, characterized in that: The input end of the fan (301) is engaged with a filter (19).

4. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 1, characterized in that: Four clamping holes (13) are provided at both ends of the winding roller (7), and the four clamping rods (12) are respectively engaged with the inner walls of the four clamping holes (13).

5. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 1, characterized in that: Slide grooves (18) are provided on both sides of the inner wall of the mounting member (6), and both sides of the displacement plate (11) are slidably connected to the inner walls of the two slide grooves (18).

6. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 1, characterized in that: The side wall of the limiting plate (9) is provided with teeth (10).

7. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 1, characterized in that: The inner wall of the frame (1) is rotatably connected to a plurality of supporting rollers (2).

8. The unwinding mechanism for a PE and EVA cast composite laminating machine unit according to claim 1, characterized in that: A reduction motor (5) is fixedly mounted on the bottom of the front side of the frame (1), and the output end of the reduction motor (5) passes through the inner wall of the frame (1) and is fixedly connected to the mounting member (6), and reinforcing ribs (20) are fixedly connected to both ends of the bottom of the inner wall of the frame (1).

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