CN210456761U

CN210456761U - Automatic winding device for producing biaxially oriented polypropylene film

Info

Publication number: CN210456761U
Application number: CN201921299461.8U
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: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-05
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses an automatic winding device for producing a biaxially oriented polypropylene film, which belongs to the technical field of film production, and comprises two groups of symmetrical support frames, wherein the upper ends of the two groups of support frames are fixedly connected with a fixing ring, the middle end in the fixing ring is provided with a turntable, the middle end in the outer side of the turntable is fixedly connected with a pulley, a motor is arranged beside the support frames, the power shaft end of the motor is connected with the pulley through a transmission belt, the two ends of the turntable are fixedly connected with a ring, a winding roller is rotatably connected between the rings, one side of the winding roller is fixedly connected with a driven gear, the outer side of the turntable is provided with a driving gear which is mutually meshed with the driven gear, a fixed plate is arranged between the support frames, the upper end of the fixed plate is fixedly connected with a cutter, the full automation of film winding and roll, the film winding operation is not stopped, and the winding efficiency is greatly improved.

Description

Automatic winding device for producing biaxially oriented polypropylene film

Technical Field

The utility model relates to a film production technical field specifically is an automatic winding device for production of biaxial stretching polypropylene film.

Background

Biaxially oriented polypropylene (BOPP) films are generally multilayer co-extruded films, and are prepared by co-extruding polypropylene particles to form sheets and then stretching the sheets 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. Because the surface of the biaxially oriented polypropylene film is nonpolar, high in crystallinity and low in surface free energy, the biaxially oriented polypropylene film is poor in printing performance and poor in adhesion to ink and adhesives, and needs to be subjected to surface treatment before printing and compounding.

In the production of the thin film, the currently used equipment is an automatic assembly line, and the whole production process is continuous. When the winding and the roll changing are carried out, the empty winding roll moves to a roll changing working position, the winding film is cut off by a cutter manually, the film is broken by one hand, the film is attached to the surface of the empty winding roll by the other hand, the film is gradually attached to the winding roll, the winding roll moves to a normal working position, and then the roll shaft which has finished winding is dismounted, so that the winding and the roll changing are completed.

The winding and roll changing mode consumes manpower, the danger of manual film breaking and roll changing operation exists, and meanwhile, the success rate of the winding and roll changing mode is unstable, so that waste of films and the defects of products are easily caused.

Based on this, the utility model designs an automatic winding device for biaxial stretching polypropylene film production to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic winding device for biaxial stretching polypropylene film production to the rolling mode of changing a roll that proposes consumes the manpower in solving above-mentioned background art, there is the danger of artifical disconnected membrane operation of changing a roll, and such rolling mode of changing a roll success rate is unstable simultaneously, causes the waste of film and the bad problem of product easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic coiling mechanism for biaxial stretching polypropylene film production, is including the support frame of two sets of symmetries, and is two sets of the solid fixed ring of the equal fixedly connected with in support frame upper end, gu fixed ring inside middle-end is equipped with the carousel, and is a set of carousel outside middle-end fixedly connected with pulley, the other motor that is equipped with of support frame, motor power axle head is connected through the drive belt with the pulley, carousel both ends fixedly connected with ring, it is connected with the wind-up roll to rotate between the ring, be equipped with the film on the wind-up roll, wind-up roll one side fixedly connected with driven gear, the carousel outside is equipped with the driving gear with driven gear intermeshing, be equipped with the fixed plate between the support frame, fixed plate upper end fixedly.

Preferably, the fixed ring is provided with a chute on the inner side, and the width of the chute is equal to that of the circular ring.

Preferably, the bottom end of the sliding groove is provided with a groove, and a ball is connected in the groove in a rolling manner.

Preferably, the lower end of the driving gear penetrates through the inside of the turntable, a driving motor is arranged in the turntable, and a power shaft end of the driving motor is fixedly connected to the driving gear.

Preferably, a connecting rod is fixedly connected between the two groups of turntables.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a full automation of film rolling change of lap has avoided the artifical disconnected membrane to change the potential safety hazard that the lap exists, has effectively improved the rolling success rate, when taking off the film book, does not have an outage to film rolling operation simultaneously, has improved rolling efficiency greatly.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

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 structural view of the present invention;

FIG. 2 is a schematic side view of the retaining ring of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the inner structure of the retaining ring of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the ring structure of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the ring rolling operation in fig. 1 of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-support frame, 2-fixed ring, 3-rotary table, 4-pulley, 5-motor, 6-driving belt, 7-circular ring, 8-winding roller, 9-film, 10-driven gear, 11-driving gear, 12-fixed plate, 13-cutter, 14-electric telescopic rod, 15-sliding chute, 16-groove, 17-ball and 18-connecting rod.

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. 1-5, the present invention provides a technical solution: an automatic winding device for producing a biaxially oriented polypropylene film comprises two groups of symmetrical support frames 1, wherein the upper ends of the two groups of support frames 1 are fixedly connected with fixing rings 2, the middle end in the fixed ring 2 is provided with a turntable 3, the middle end outside the turntable 3 is fixedly connected with a pulley 4, a motor 5 is arranged beside the support frame 1, the power shaft end of the motor 5 is connected with a pulley 4 through a transmission belt 6, two ends of the turntable 3 are fixedly connected with circular rings 7, a wind-up roll 8 is rotatably connected between the circular rings 7, a film 9 is arranged on the winding roller 8, a driven gear 10 is fixedly connected with one side of the winding roller 8, a driving gear 11 which is meshed with the driven gear 10 is arranged on the outer side of the rotary disc 3, a fixing plate 12 is arranged between the supporting frames 1, the upper end of the fixed plate 12 is fixedly connected with a cutter 13, and two sides of the bottom end of the fixed plate 12 are provided with electric telescopic rods 14.

Wherein, 2 inboard spout 15 of having seted up of solid fixed ring, spout 15 width equals the width of ring 7, and the ring is located inside spout 15, and spout 15 can inject carousel 3 and ring 7 simultaneously, prevents that it from dropping from solid fixed ring 2. The bottom of the sliding groove 15 is provided with a groove 16, the groove 16 is internally connected with a ball 17 in a rolling manner, the ball 17 can be contacted with the side end of the circular ring 7, the friction between the ball 17 and the groove body is reduced, and the circular ring 7 can rotate in the sliding groove 15 conveniently. Inside driving gear 11 lower extreme ran through to carousel 3, was equipped with driving motor in the carousel 3, and driving motor power shaft end fixed connection is in driving gear 11, and driving motor can drive driving gear 11's rotation to through the intermeshing of driving gear 11 and driven gear 10, drive wind-up roll 8 and rotate, accomplish the rolling to film 9. A connecting rod 18 is fixedly connected between the two groups of turntables 3, the connecting rod 18 can connect the two groups of turntables 3 into a whole, and when the motor 5 drives the turntables 3 to rotate, the other group of turntables 3 can also synchronously rotate.

One specific application of this embodiment is: when the device is used, one end of a film 9 is sleeved on one group of winding rollers 8, a corresponding driving motor in the turntable 3 is started to drive a driving gear 11 to rotate, so that the group of driven gears 10 is driven to rotate, and further the winding rollers 8 rotate, so that the winding operation of the film 9 is completed, when the winding is to be completed, the driving motor can be stopped, the motor 5 is started, the pulley 4 is driven to rotate through a driving belt 6, so that the turntable 3 is driven to rotate, the film 9 can be wound on the other group of winding rollers 8 at the moment, as shown in fig. 5, at the moment, an electric telescopic rod 14 can be started, wherein the electric telescopic rod 14 is a skin produced by the prior art, is commercially available and can be directly purchased for use, drives a cutter 13 at the upper end to move upwards, separates the film 9, so that the winding of the film 9 is completed, and further, the other group of driving motors can be started to drive the, and continuing the winding operation of the film 9, and repeatedly circulating the operation to realize the efficient automatic winding of the film 9.

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 an automatic winding device for production of biaxial stretching polypropylene film, includes support frame (1) of two sets of symmetries, its characterized in that: two sets of equal fixedly connected with solid fixed ring (2) in support frame (1) upper end, gu fixed ring (2) inside middle-end is equipped with carousel (3), a set of carousel (3) outside middle-end fixedly connected with pulley (4), other motor (5) that is equipped with of support frame (1), motor (5) power axle head is connected through drive belt (6) with pulley (4), carousel (3) both ends fixedly connected with ring (7), it is connected with wind-up roll (8) to rotate between ring (7), be equipped with film (9) on wind-up roll (8), wind-up roll (8) one side fixedly connected with driven gear (10), the carousel (3) outside is equipped with driving gear (11) with driven gear (10) intermeshing, be equipped with fixed plate (12) between support frame (1), fixed plate (12) upper end fixedly connected with cutter (13), and electric telescopic rods (14) are arranged on two sides of the bottom end of the fixing plate (12).

2. The automatic winding device for the production of the biaxially oriented polypropylene film according to claim 1, wherein: fixed ring (2) inboard has seted up spout (15), spout (15) width equals ring (7) width.

3. The automatic winding device for the production of the biaxially oriented polypropylene film according to claim 2, wherein: the bottom end of the sliding groove (15) is provided with a groove (16), and a ball (17) is connected in the groove (16) in a rolling manner.

4. The automatic winding device for the production of the biaxially oriented polypropylene film according to claim 1, wherein: the lower end of the driving gear (11) penetrates into the turntable (3), a driving motor is arranged in the turntable (3), and a power shaft end of the driving motor is fixedly connected to the driving gear (11).

5. The automatic winding device for the production of the biaxially oriented polypropylene film according to claim 1, wherein: a connecting rod (18) is fixedly connected between the two groups of turntables (3).