CN210453738U

CN210453738U - Be used for tensile cooling air-dry equipment of biaxial stretching polypropylene film

Info

Publication number: CN210453738U
Application number: CN201921287043.7U
Authority: CN
Inventors: 杨孔昶; 李为波; 张国举
Original assignee: Lianyungang Jintian High Tech Materials Co Ltd
Current assignee: Lianyungang Jintian High Tech Materials Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-05
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a be used for tensile cooling air-dry equipment of biaxial stretching polypropylene film, the on-line screen storage device comprises a base, the top of base from left to right has connected gradually unwinding device, preheating cabinet and frame, the inner chamber bottom of preheating cabinet is connected with the heating wire, the inner chamber of preheating cabinet rotates and is connected with the first backing roll of preheating, backing roll and stretching roller are preheated to the second, the guide roll is installed on the inner chamber top right side of frame, the left side of guide roll is equipped with out the tuber pipe, the top of frame is connected with fan and coolant tank, the intercommunication has the stand pipe between fan output and the play tuber pipe, the surface of stand pipe has around having the spiral heat exchange tube, the tip intercommunication coolant tank of spiral heat exchange tube, the one end that the spiral heat exchange tube stretches into coolant. The utility model has the advantages of reasonable design, this device collection is tensile, the cooling, air-dry in an organic whole, has improved film machining efficiency, has promoted the cooling effect, has higher practical value.

Description

Be used for tensile cooling air-dry equipment of biaxial stretching polypropylene film

Technical Field

The utility model relates to a relevant equipment technical field of biaxial stretching polypropylene film especially relates to a be used for tensile cooling air-dry equipment of biaxial stretching polypropylene film.

Background

The biaxially oriented polypropylene film is generally a multilayer co-extruded film, and is prepared by co-extruding polypropylene particles to form a sheet, and then stretching the sheet in longitudinal and transverse directions. Due to the stretching molecular orientation, the film has good physical stability, mechanical strength and air tightness, high transparency and glossiness, toughness and wear resistance, is the most widely used printing film at present, and is generally 20-40 μm in thickness and 20 μm in most wide application. The biaxially oriented polypropylene film has the main defect of poor heat sealability, so that the biaxially oriented polypropylene film is generally used as an outer film of a composite film, is ideal in moisture resistance, transparency, strength, stiffness and printability after being compounded with a polyethylene film, and is suitable for containing dry food.

The biaxially oriented polypropylene film needs to be stretched and cooled in the production and processing process, the structure of the existing device is complex, the operation is complex, the production and processing efficiency of the film is affected, and the film needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for tensile cooling air-dry equipment of biaxial stretching polypropylene film, easy operation has improved film machining efficiency, has promoted the cooling effect. In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a realize through following technical scheme.

A cooling and air-drying device for stretching a biaxially oriented polypropylene film comprises a base, wherein moving wheels are connected to the left side and the right side of the bottom of the base, an unwinding device, a preheating box and a rack are sequentially connected to the top of the base from left to right, a heating wire is connected to the bottom of an inner cavity of the preheating box, a first preheating support roller, a second preheating support roller and a stretching roller are rotatably connected to the inner cavity of the preheating box, a guide roller is installed on the right side of the top of the inner cavity of the rack and is positioned right above the stretching roller, an air outlet pipe is arranged on the left side of the guide roller, a fan and a cooling water tank are connected to the top of the rack, a guide pipe is communicated between the output end of the fan and the air outlet pipe, a spiral heat exchange pipe is wound on the outer surface of the guide pipe, the end part of, and the left side of the top of the inner cavity of the rack is connected with a winding device.

Preferably, the top of the preheating box is hinged with a box cover, and the box cover and the left side wall of the preheating box are both provided with notches.

Preferably, the air outlet pipe is U-shaped in cross section, and a plurality of groups of air ports are uniformly distributed on the inner side wall of the air outlet pipe.

Preferably, in the equipment for stretching, cooling and air-drying the biaxially oriented polypropylene film, the inner cavity of the cooling water tank is connected with a refrigerator

Preferably, the stretching, cooling and air-drying equipment for the biaxially oriented polypropylene film is characterized in that the top of the inner cavity of the rack is connected with a tensioning wheel set, and the tensioning wheel set is positioned between the winding device and the air outlet pipe

Preferably, the moving wheel is a self-locking universal wheel used in the biaxial stretching polypropylene film stretching, cooling and air-drying equipment.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, the biaxially oriented polypropylene film preheats the backing roll through the first preheating support roll in the preheating cabinet in proper order, backing roll and tensile roller are preheated to the second, heat up the preheating cabinet through the heater silk, carry out tensile effect to the film through tensile roller, the film gets into out the tuber pipe opening along the guide roll, when the fan supplies air along guide tube case wind gap, the spiral heat exchange tube carries out the heat exchange with the guide tube, can effectively reach the cooling effect to the guide tube, make the temperature reduction of airing exhaust, be favorable to improving the cooling air drying effect of film, this device collection is tensile, cool off, air-dry in an organic whole, the film machining efficiency is improved, the cooling effect has been promoted, higher practical value has.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the middle air outlet pipe of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the embodiment is a stretching, cooling and air-drying device for biaxially oriented polypropylene films, which comprises a base 1, moving wheels 2 are connected to the left and right sides of the bottom of the base 1, an unwinding device 3, a preheating tank 4 and a rack 5 are sequentially connected to the top of the base 1 from left to right, an electric heating wire 6 is connected to the bottom of an inner cavity of the preheating tank 4, a first preheating support roller 7, a second preheating support roller 8 and a stretching roller 9 are rotatably connected to the inner cavity of the preheating tank 4, a guide roller 10 is installed on the right side of the top of the inner cavity of the rack 5, the guide roller 10 is located right above the stretching roller 9, an air outlet pipe 11 is arranged on the left side of the guide roller 10, a fan 12 and a cooling water tank 13 are connected to the top of the rack 5, a guide pipe 14 is communicated between the output end of the fan 12 and the air outlet, one end of the spiral heat exchange tube 15 extending into the cooling water tank 13 is connected with a circulating pump 16, and the left side of the top of the inner cavity of the frame 5 is connected with a winding device 17.

The top of preheating cabinet 4 articulates there is case lid 401, all has seted up notch 402 on case lid 401 and the preheating cabinet 4 left side wall, and the film of being convenient for passes.

The section of the air outlet pipe 11 is U-shaped, and a plurality of groups of air ports 111 are uniformly distributed on the inner side wall of the air outlet pipe 11, so that the air can be conveniently discharged.

The inner cavity of the cooling water tank 13 is connected with a refrigerator 131, which is convenient for refrigerating the cooling water inside the cooling water tank 13.

The top of the inner cavity of the frame 5 is connected with a tensioning wheel set 501, and the tensioning wheel set 501 is located between the winding device 17 and the air outlet pipe 11, so that the film can be wound conveniently after being tensioned.

The moving wheels 2 are self-locking universal wheels, so that the base 1 can be moved and fixed conveniently.

The utility model discloses a concrete implementation way does:

when the device is used, the base 1 is moved to a proper position through the moving wheel 2, the biaxially oriented polypropylene film is sent out through the unwinding device 3, sequentially passes through the first preheating support roller 7, the second preheating support roller 8 and the stretching roller 9 in the preheating box 4, the temperature in the inner cavity of the preheating box 4 is raised to reach the stretching temperature through the heating wire 6, the running speed of the stretching roller 9 is higher than the unwinding speed, so that the film is stretched, the film enters the opening of the air outlet pipe 11 along the guide roller 10, the fan 12 introduces air into the air outlet pipe 11 through the guide pipe 14 and discharges the air through the air port 111, the spiral heat exchange pipe 15 circularly conveys cooling water in the cooling water box 13 through the circulating pump 16 while conveying the air along the guide pipe 14, and then performs heat exchange with the guide pipe 14, the cooling effect on the guide pipe 14 can be effectively achieved, the exhaust temperature is reduced, and the cooling and air drying effects of the film are, pass tensioning wheelset 501 to coiling mechanism 17 after the film cooling to accomplish the rolling, this device collection is tensile, the cooling, air-dries in an organic whole, has improved film machining efficiency, has promoted the cooling effect, has higher practical value.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a be used for tensile cooling air-dry equipment of biaxial stretching polypropylene film, includes base (1), its characterized in that: the utility model discloses a heat exchanger, including base (1), preheating box (4), stretching roller (9), guide roll (10) and air-out pipe (11), the bottom left and right sides of base (1) is connected with removal wheel (2), the top of base (1) from left to right has connected gradually unwinding device (3), preheating box (4) and frame (5), the inner chamber bottom of preheating box (4) is connected with heating wire (6), the inner chamber of preheating box (4) rotates and is connected with first preheating backing roll (7), second preheating backing roll (8) and stretching roller (9), guide roll (10) are installed on the inner chamber top right side of frame (5), guide roll (10) are located stretching roller (9) directly over, the left side of guide roll (10) is equipped with air-out pipe (11), the top of frame (5) is connected with fan (12) and cooling water tank (13), intercommunication has guide pipe (14) between fan (12) output and air-out pipe, the end part of the spiral heat exchange tube (15) is communicated with the cooling water tank (13), one end of the spiral heat exchange tube (15) extending into the cooling water tank (13) is connected with a circulating pump (16), and the left side of the top of the inner cavity of the rack (5) is connected with a winding device (17).

2. The stretching, cooling and air-drying equipment for the biaxially oriented polypropylene film according to claim 1, wherein: the top of preheating cabinet (4) articulates there is case lid (401), notch (402) have all been seted up on case lid (401) and preheating cabinet (4) left side wall.

3. The stretching, cooling and air-drying equipment for the biaxially oriented polypropylene film according to claim 1, wherein: the cross section of the air outlet pipe (11) is U-shaped, and a plurality of groups of air openings (111) are uniformly distributed on the inner side wall of the air outlet pipe (11).

4. The stretching, cooling and air-drying equipment for the biaxially oriented polypropylene film according to claim 1, wherein: the inner cavity of the cooling water tank (13) is connected with a refrigerator (131).

5. The stretching, cooling and air-drying equipment for the biaxially oriented polypropylene film according to claim 1, wherein: the top of the inner cavity of the frame (5) is connected with a tensioning wheel set (501), and the tensioning wheel set (501) is located between the winding device (17) and the air outlet pipe (11).

6. The stretching, cooling and air-drying equipment for the biaxially oriented polypropylene film according to claim 1, wherein: the moving wheel (2) adopts a self-locking universal wheel.