CN112454852B

CN112454852B - Production equipment and process for producing large-thickness and ultra-thin PVC (polyvinyl chloride) film

Info

Publication number: CN112454852B
Application number: CN202011055241.8A
Authority: CN
Inventors: 张林道
Original assignee: Hebei Laili Yiteng Plastic Manufacturing Co ltd
Current assignee: Hebei Laili Yiteng Plastic Manufacturing Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2022-08-30
Anticipated expiration: 2040-09-30
Also published as: CN112454852A

Abstract

The invention relates to the technical field of PVC film production, in particular to production equipment and a process for producing a large-thickness and ultra-thin PVC film. According to the automatic feeding device, the feeding hopper is arranged at the heating extrusion system, the sensing generator is arranged on the automatic material pouring plate hinged in the feeding hopper, and the sensing generator is in contact with the sensing receiver of the stop block, so that the automatic material pouring plate and the automatic feeding machine can be controlled, the automatic feeding function is realized, and the feeding efficiency and the production efficiency of PVC films are improved; according to the invention, the support frame is arranged at the winding system, the wrinkle removing roller is arranged at the top end of the support frame, and the wrinkle removing roller comprises the inner roller internally provided with the heating wire and the outer roller connected with the inner roller in a rolling manner, so that wrinkles generated on the PVC film can be eliminated by heating, and the product quality is improved; according to the invention, the cooling roller is arranged at the lower end of the support frame, and the cooling roller can realize the cooling, shaping and winding functions of the PVC film after wrinkles are removed.

Description

Production equipment and process for producing large-thickness and ultra-thin PVC (polyvinyl chloride) film

Technical Field

The invention relates to the technical field of PVC film production, in particular to production equipment and a process for producing a large-thickness and ultra-thin PVC film.

Background

PVC film, full name Polyvinylchlorid film. The main component is polyvinyl chloride, and other components are added to enhance the heat resistance, toughness, ductility and the like of the PVC. The top layer of the surface film is paint, the middle layer is polyvinyl chloride, and the bottom layer is back-coated adhesive. It is a synthetic material that is enjoyed, popular and widely used in the world today. The global use of PVC film is second in various synthetic materials. Among the materials from which three-dimensional surface films can be produced, PVC is the most suitable material.

The existing PVC film needs to be subjected to complex transmission for many times in the production process, and due to the structure of the roller, the problem of installation precision, air circulation and other objective factors, the PVC film has the problem of wrinkles, so that the attractiveness of the PVC film is influenced, the quality of the product is influenced most importantly, and on the other hand, manual feeding is adopted in the traditional operation, the efficiency is low, and the problem of blockage or insufficient material consumption is easily caused in the follow-up process.

Disclosure of Invention

The invention aims to solve the technical problems and provides production equipment and a process for producing a large-thickness and ultra-thin PVC film aiming at the technical defects, wherein a feeding hopper is arranged at a heating extrusion system, a sensing generator is arranged on an automatic material pouring plate hinged in the feeding hopper, and the sensing generator is in contact with a sensing receiver of a stop block, so that the automatic material pouring plate and an automatic material feeding machine can be controlled, the automatic material feeding function is realized, and the material feeding efficiency and the production efficiency of the PVC film are improved; according to the invention, the support frame is arranged at the winding system, the wrinkle removing roller is arranged at the top end of the support frame, and the wrinkle removing roller comprises the inner roller internally provided with the heating wire and the outer roller connected with the inner roller in a rolling manner, so that wrinkles generated on the PVC film can be eliminated by heating, and the product quality is improved; according to the invention, the cooling roller is arranged at the lower end of the support frame, and the cooling roller can realize the cooling, shaping and winding functions of the PVC film after wrinkles are removed.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a production equipment and a process for producing a large-thickness and ultra-thin PVC film are characterized in that: the automatic film blowing and winding device sequentially comprises a heating and extruding system, a spiral conveying system, a film blowing system and a winding system, wherein the heating and extruding system comprises a feeding hopper, an automatic material pouring plate is hinged to the center of the upper part of the feeding hopper, an automatic feeding machine is arranged on one side of the feeding hopper, a stop block is fixedly connected to the upper part of one end of the automatic material pouring plate, a sensing receiver is arranged at the lower end of the stop block, and a sensing generator is arranged at one end, close to the stop block, of the automatic material pouring plate; the rolling system is including the support frame, the support frame top is equipped with the fold roller that disappears, the fold roller that disappears is including interior roller and a plurality of outer roller, the inside electric heating wire that is provided with of interior roller, outer roller through radial support with interior roller rolls and links to each other, still be equipped with the chill roll on the support frame.

Further optimize this technical scheme, go into the hopper bottom and be connected with the garrulous feed bin of heating, the bottom of heating garrulous feed bin is equipped with cooling fan.

Further optimize this technical scheme, the support frame still includes stair and platform.

Further optimizing the technical scheme, the herringbone frame is arranged at the bottom end of the wrinkle removing roller.

Further optimize this technical scheme, winding mechanism is including tensioning roller and wind-up roll.

Further optimize this technical scheme, automatic feeding machine with the sensing receiver links to each other with the sensing generator.

A production device and a process for producing a large-thickness and ultra-thin PVC film are characterized by comprising the following steps:

(1) feeding: pouring PVC particles into an automatic feeding machine, and connecting a sensing receiver with a sensing generator and the automatic feeding machine in a control way;

(2) film blowing: starting a film blowing system to blow the molten PVC raw material into a film, and winding the film on a wrinkle removing roller to remove wrinkles;

(3) winding: and after the film coming out of the wrinkle removing roller is cooled and shaped by a cooling roller, the film enters a wind-up roller of a wind-up system by a tensioning roller to finish the wind-up operation.

Compared with the prior art, the invention has the following beneficial effects: 1. according to the automatic feeding device, the feeding hopper is arranged at the heating extrusion system, the sensing generator is arranged on the automatic material pouring plate hinged in the feeding hopper, and the sensing generator is in contact with the sensing receiver of the stop block, so that the automatic material pouring plate and the automatic feeding machine can be controlled, the automatic feeding function is realized, and the feeding efficiency and the production efficiency of PVC films are improved; 2. according to the invention, the support frame is arranged at the winding system, the wrinkle removing roller is arranged at the top end of the support frame, the wrinkle removing roller comprises the inner roller internally provided with the heating wire and the outer roller in rolling connection with the inner roller, and the wrinkles on the PVC film can be heated and smoothed out through the heat exchange between the inner roller and the outer roller, and meanwhile, the damage to the PVC film caused by overhigh temperature can be avoided; 3. through being provided with the chill roll, can cool off the operation of stereotyping rolling trinity to the PVC film after smoothing the fold, practice thrift the step, improve product quality simultaneously.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a production apparatus and process for producing a large-thickness and ultra-thin PVC film.

FIG. 2 is a schematic front structural view of a production apparatus and process for producing a large-thickness and ultra-thin PVC film.

FIG. 3 is a schematic cross-sectional view of a hopper-feeding closed state of a production apparatus and process for producing a large-thickness and ultra-thin PVC film.

FIG. 4 is a schematic sectional view of the hopper opening state of the apparatus and process for producing thick and ultra-thin PVC film.

FIG. 5 is a schematic view of the structure of a wrinkle-eliminating roller of the production equipment and the process for producing the PVC film with large thickness and ultra-thin thickness.

In the figure: 1. heating the extrusion system; 2. a spiral delivery system; 3. a film blowing system; 4. a winding system; 5. feeding into a hopper; 6. automatically dumping the material plate; 7. an automatic feeding machine; 8. a stopper; 9. a sensing receiver; 10. a sensing generator; 11. a support frame; 12. a wrinkle removing roller; 13. an inner roll; 14. an outer roller; 15. a radial support; 16. a cooling roll; 17. heating the crushed material bin; 18. a heat radiation fan; 19. a staircase; 20. a station; 21. a herringbone frame; 22. a tension roller; 23. and (7) winding the roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: with reference to fig. 1-5, a device and a process for producing a large-thickness and ultra-thin PVC film are provided, which are characterized in that: the automatic film blowing and winding device sequentially comprises a heating and extruding system 1, a spiral conveying system 2, a film blowing system 3 and a winding system 4, wherein the heating and extruding system 1 comprises a feeding hopper 5, an automatic material pouring plate 6 is hinged to the central position of the upper part of the feeding hopper 5, an automatic feeding machine 7 is arranged on one side of the feeding hopper 5, a stop block 8 is fixedly connected to the upper part of one end of the automatic material pouring plate 6, a sensing receiver 9 is arranged at the lower end of the stop block 8, and a sensing generator 10 is arranged at one end, close to the stop block 8, of the automatic material pouring plate 6; winding system 4 is including

support frame

11, 11 tops of support frame are equipped with wrinkle roller 12 that disappears, wrinkle roller 12 that disappears is including interior roller 13 and a plurality of outer roller 14, the inside electric heating wire that is provided with of interior roller 13, outer roller 14 through radial support 15 with interior roller 13 rolls and links to each other, still be equipped with chill roll 16 on the support frame 11.

Further optimize this technical scheme, go into hopper 5 bottom and be connected with heating garrulous feed bin 17, the bottom of heating garrulous feed bin 17 is equipped with cooling fan 18.

Further optimizing the technical solution, the support frame 11 further includes a staircase 19 and a platform 20.

Further optimizing the technical scheme, the bottom end of the wrinkle removing roller 12 is provided with a propeller strut 21.

Further optimize this technical scheme, winding mechanism is including tensioning roller 22 and wind-up roll 23.

Further optimize this technical scheme, automatic feeding machine 7 with the sensing receiver 9 and the sensing generator 10 links to each other.

feeding: pouring PVC particles into an automatic feeding machine 7, and connecting a sensing receiver 9 with a sensing generator 10 and the automatic feeding machine 7 in a control way;

blowing a film: starting a film blowing system 3 to blow the molten PVC raw material into a film, and winding the film on a wrinkle removing roller 12 to remove wrinkles;

thirdly, rolling: the film coming out of the wrinkle-removing roller 12 passes through a cooling roller 16 for cooling and shaping, and then passes through a tensioning roller 22 to enter a winding roller 23 of the winding system 4, so that the winding operation is completed.

The invention has the beneficial effects that: 1. according to the automatic feeding device, the feeding hopper 5 is arranged at the position of the heating extrusion system 1, the sensing generator 10 is arranged on the automatic material pouring plate 6 hinged in the feeding hopper 5, and the sensing generator 10 is in contact with the sensing receiver 9 of the stop block 8, so that the automatic material pouring plate 6 and the automatic feeding machine 7 can be controlled, the automatic feeding function is realized, and the feeding efficiency and the production efficiency of a PVC film are improved; 2. according to the invention, the support frame 11 is arranged at the winding system 4, the wrinkle removing roller 12 is arranged at the top end of the support frame 11, the wrinkle removing roller 12 comprises the inner roller 13 internally provided with the heating wire and the outer roller 14 connected with the inner roller 13 in a rolling manner, and the wrinkles on the PVC film can be heated and smoothed by heat exchange between the inner roller 13 and the outer roller 14, and meanwhile, the wrinkles can be prevented from being damaged by overhigh temperature; 3. through being provided with chill roll 16, can cool off the operation of stereotyping rolling trinity to the PVC film after smoothing the fold, practice thrift the step, improve product quality simultaneously.

In order to facilitate understanding of the production equipment and process for producing a large-thickness and ultra-thin PVC film provided by the embodiments of the present invention, the following detailed description is made with reference to specific embodiments.

With continuing reference to fig. 1-5, a production apparatus and process for producing a large-thickness and ultra-thin PVC film sequentially comprises a heating extrusion system 1, a spiral conveying system 2, a film blowing system 3 and a winding system 4, wherein the heating extrusion system 1 comprises a feeding hopper 5, an automatic material pouring plate 6 is hinged to the upper central position of the feeding hopper 5, an automatic feeding machine 7 is arranged on one side of the feeding hopper 5, a stop block 8 is fixedly connected to the upper part of one end of the automatic material pouring plate 6, a sensing receiver 9 is arranged at the lower end of the stop block 8, and a sensing generator 10 is arranged at one end of the automatic material pouring plate 6, which is close to the stop block 8; winding system 4 is including support frame 11, support frame 11 top is equipped with wrinkle roller 12 that disappears, wrinkle roller 12 that disappears is including interior roller 13 and a plurality of outer roller 14, the inside electric heating wire that is provided with of interior roller 13, outer roller 14 rolls with interior roller 13 through radial support 15 and links to each other, still be equipped with cooling roller 16 on the support frame 11, it is connected with heating feed bin 17 to go into hopper 5 bottom, the bottom that heats feed bin 17 is equipped with cooling blower 18, support frame 11 is still including stair 19 and platform 20, wrinkle roller 12 bottom that disappears is equipped with propeller strut 21, winding mechanism is including tensioning roller 22 and wind-up roll 23, automatic feeding machine 7 links to each other with sensing receiver 9 and sensing generator 10.

The automatic feeding device is specifically used by combining with the figures 1-5, raw material PVC particles are put into an automatic feeding machine 7, when no raw material exists, a sensing generator 10 on an automatic material pouring plate 6 in a feeding hopper 5 is contacted with a sensing receiver 9 at the lower end of a stop block 8, a starting instruction is sent to the automatic feeding machine 7, the automatic feeding machine 7 transports the raw material PVC particles into the feeding hopper 5, when the raw material PVC particles are contacted with the automatic material pouring plate 6, one end of the automatic material pouring plate 6 inclines downwards, the raw material PVC particles enter a heating extrusion system 1 through the lower end of the feeding hopper 5, the raw material PVC particles are heated and crushed under the action of a heating crushing bin 17, a heat radiation fan 18 can effectively prevent the temperature in the heating crushing bin 17 from being too high, the raw material in a molten state enters a spiral material conveying system 2 after being changed into the molten state, and the molten state material is blown into a PVC film through a film blowing system 3, then the PVC film is wound on a wrinkle removing roller 12 of a support frame 11, an electric heating wire of an inner roller 13 on the wrinkle removing roller 12 is started, the inner roller 13 is heated by the electric heating wire, the outer roller 14 is in rolling connection with the inner roller 13 and is also heated, the PVC film wound on the wrinkle removing roller 12 can be heated and smoothed by the outer roller 14, and therefore the purpose of removing wrinkles is achieved, and then the PVC film is wound on a cooling roller 16, is cooled and shaped by the cooling roller 16 and is wound on a winding roller 23 through a tensioning roller 22, and the operation is completed.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention shall be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a production facility of production thickness and extra thin PVC film which characterized in that: the automatic film blowing and winding device sequentially comprises a heating and extruding system (1), a spiral conveying system (2), a film blowing system (3) and a winding system (4), wherein the heating and extruding system (1) comprises a feeding hopper (5), an automatic material pouring plate (6) is hinged to the central position of the upper part of the feeding hopper (5), an automatic feeding machine (7) is arranged on one side of the feeding hopper (5), a stop block (8) is fixedly connected to the upper part of one end of the automatic material pouring plate (6), a sensing receiver (9) is arranged at the lower end of the stop block (8), and a sensing generator (10) is arranged at one end, close to the stop block (8), of the automatic material pouring plate (6); the winding system (4) comprises a support frame (11), wherein a wrinkle removing roller (12) is arranged at the top end of the support frame (11), the wrinkle removing roller (12) comprises an inner roller (13) and a plurality of outer rollers (14), an electric heating wire is arranged inside the inner roller (13), the outer rollers (14) are connected with the inner roller (13) in a rolling mode through radial supports (15), and a cooling roller (16) is further arranged on the support frame (11); the automatic feeding machine (7) is connected with the sensing receiver (9) and the sensing generator (10).

2. A production apparatus for producing a PVC film of large thickness and ultra-thin according to claim 1, characterized in that: go into hopper (5) bottom and be connected with heating garrulous feed bin (17), the bottom of heating garrulous feed bin (17) is equipped with radiator fan (18).

3. A production apparatus for producing a PVC film of large thickness and ultra-thin thickness according to claim 1, characterized in that: the support frame (11) also comprises a stair (19) and a platform (20).

4. A production apparatus for producing a PVC film of large thickness and ultra-thin according to claim 1, characterized in that: a herringbone frame (21) is arranged at the bottom end of the wrinkle removing roller (12).

5. A production apparatus for producing a PVC film of large thickness and ultra-thin thickness according to claim 1, characterized in that: the winding mechanism comprises a tensioning roller (22) and a winding roller (23).

6. A production process of a production facility for producing PVC films of great thickness and extra-thin thickness according to claim 5, characterized in that it comprises the following steps:

feeding: pouring PVC particles into an automatic feeding machine (7), and controlling and connecting a sensing receiver (9) with a sensing generator (10) and the automatic feeding machine (7);

blowing a film: starting a film blowing system (3) to blow the molten PVC raw material into a film, and winding the film on a wrinkle removing roller (12) to remove wrinkles;

rolling: and after the film coming out of the wrinkle removing roller (12) is cooled and shaped by a cooling roller (16), the film enters a winding roller (23) of a winding system (4) through a tensioning roller (22) to finish the winding operation.