CN113213217B

CN113213217B - Film winding device

Info

Publication number: CN113213217B
Application number: CN202110597563.3A
Authority: CN
Inventors: 岳宇
Original assignee: Chongqing Hetai Runjia Co ltd
Current assignee: Chongqing Hetai Runjia Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-11-01
Anticipated expiration: 2041-05-31
Also published as: CN113213217A

Abstract

The invention relates to the technical field of winding equipment, in particular to a film winding device which comprises a winding roller, wherein both sides of the winding roller are provided with a driving assembly and a roller changing assembly; the two ends of the winding roller are fixedly connected with telescopic pieces, and one end of each telescopic piece, which is far away from the winding roller, is fixedly connected with a first connecting structure; the driving assembly comprises a fixedly arranged driving motor and a second connecting structure fixedly connected to an output shaft of the driving motor; the winding roller can be arranged between the two driving assemblies through the telescopic piece on the winding roller and the first connecting structure; meanwhile, after the first connecting structure and the second connecting structure are embedded, the driving motor can stably drive the winding roller to rotate, the phenomenon of blocking or shaking is avoided as much as possible, the winding roller can rotate at a constant speed, and winding is stably carried out; the winding roller between the driving assemblies can be easily replaced by the replacing assemblies at the two ends of the winding roller, so that the winding roller is fast and convenient, and the time for replacing the winding roller is saved.

Description

Film coiling mechanism

Technical Field

The invention relates to the technical field of winding equipment, in particular to a film winding device.

Background

The plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is widely applied to the fields of food, medicine, chemical industry and the like, and has the following production process: firstly, fully mixing raw materials, then granulating the raw materials by a granulator, carrying out blow molding on the granulated plastic particles by a blow molding machine, and finally carrying out winding operation on a plastic film by a winding device;

the existing winding device usually adopts a gear transmission or belt transmission mode to drive the winding roller to rotate, and the gear transmission structure or belt transmission structure is unstable in the winding process and is easy to shake or jam, so that the winding roller cannot wind the film at a constant speed, the winding efficiency is influenced, the deviation of the film in winding can be caused, and the operation of replacing the winding roller by the existing winding device is also complicated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a film winding device, which solves the problems that a winding roller of the winding device in the prior art is unstable in rotation and complicated in operation of replacing the winding roller.

According to the embodiment of the invention, the film winding device comprises a winding roller, wherein a driving assembly and a roller changing assembly are arranged on two sides of the winding roller;

both ends of the winding roller are fixedly connected with telescopic pieces, and one end of each telescopic piece, which is far away from the winding roller, is fixedly connected with a first connecting structure;

the driving assembly comprises a fixedly arranged driving motor and a second connecting structure fixedly connected to an output shaft of the driving motor; the first connecting structure and the second connecting structure are mutually embedded;

roll change subassembly is including the expansion bend of fixed setting, the flexible end fixedly connected with compression piece of expansion bend, the compression piece orientation on the wind-up roll first connection structure.

In the embodiment, when the film needs to be wound, the extensible parts at two ends of the winding roller are compressed, then the first connecting structures on the extensible parts at two ends are controlled to align to the second connecting structures, the extensible parts are released after the first connecting structures at two ends of the winding roller align to the second connecting structures of the driving assemblies at two ends, the first connecting structures are embedded with the second connecting structures, and the rotating second connecting structures can drive the first connecting structures to rotate together after the first connecting structures are embedded with the second connecting structures; then, the driving motors in the driving assemblies at the two ends are started, and the second connecting structures are fixedly connected to the output shafts of the driving motors, so that the driving motors can drive the second connecting structures to rotate when started, drive the first connecting structures embedded with the second connecting structures to rotate when the second connecting structures rotate, drive the telescopic piece and the winding roller to rotate together when the first connecting structures at the two ends of the winding roller rotate, and wind the film by utilizing the rotation of the winding roller; the winding roller is driven to rotate by the driving motor through the embedded first connecting structure and the embedded second connecting structure, and compared with other transmission modes, the winding roller is more stable, and the situation of jamming or shaking is avoided; the winding roller is simple to replace, and the winding roller can be taken down only by compressing the telescopic pieces at the two ends of the winding roller to separate the first connecting structure and the second connecting structure from the embedded state; the roll changing assemblies at the two ends of the winding roll can compress the telescopic pieces at the two ends of the winding roll through the telescopic pieces and the compression pieces on the telescopic pieces, so that the winding roll can be easily changed, the operation is fast and convenient, and the time for changing the winding roll is saved.

Further, the first connecting structure comprises a connecting disc fixedly connected to the telescopic piece and a square column fixedly connected to the connecting disc; the second connecting structure comprises a transmission disc fixedly connected to the driving motor, and a square hole for embedding the square column is formed in one side, facing the square column, of the transmission disc.

Further, the compression part comprises a U-shaped plate fixedly connected to the telescopic end of the expansion piece, and the transmission disc is located in a concave position of the U-shaped plate.

Further, one side of the U-shaped plate, which faces the winding roller, is fixedly connected with an arc plate.

Further, each roll changing assembly at least comprises four retractors.

Further, the extensible member include with wind-up roll fixed connection's sleeve, telescopic connection telescopic link in the sleeve and be located spring in the sleeve, spring one end and telescopic link bottom surface contact, the other end with telescopic interior bottom surface contact.

Further, both ends of the winding roller are at least provided with 3 telescopic pieces.

Furthermore, the telescopic device further comprises a base, wherein the top side of the base is fixedly connected with a first mounting column and a second mounting column, the driving motor is fixedly mounted on the first mounting column, and the telescopic device is fixedly mounted on the second mounting column.

Furthermore, the outer side walls at two ends of the winding roller are movably connected with adjusting rings.

Furthermore, a limiting channel is fixedly connected to the side wall of the adjusting ring, a limiting rod is movably arranged in the limiting channel, and a second magnetic piece is fixedly connected to one end, facing the winding roller, of the limiting rod; the outer side walls at two ends of the winding roller are axially provided with a plurality of grooves for the limiting rods to extend into, and the bottom surfaces of the grooves are fixedly connected with first magnetic pieces which are magnetically attracted by the second magnetic pieces.

Compared with the prior art, the invention has the following beneficial effects:

the winding roller can be arranged between the two driving assemblies through the telescopic piece on the winding roller and the first connecting structure; meanwhile, after the first connecting structure and the second connecting structure are embedded, the driving motor can stably drive the winding roller to rotate, the phenomenon of blocking or shaking is avoided as much as possible, the winding roller can rotate at a constant speed, and winding is stably carried out; the winding roller between the driving assemblies can be easily replaced by the replacing assemblies at the two ends of the winding roller, so that the winding roller is fast and convenient, and the time for replacing the winding roller is saved.

Drawings

Fig. 1 is a general structure of a film winding apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic view of another state of FIG. 2;

FIG. 4 is a schematic view of the connection of the driving disc and the wind-up roll according to the embodiment of the invention;

FIG. 5 is a schematic structural diagram of a U-shaped plate according to an embodiment of the present invention;

FIG. 6 is a schematic view of the connection of a wind-up roll and an adjusting ring according to an embodiment of the invention;

in the above drawings: 100. a base; 110. a first mounting post; 120. a second mounting post; 200. a drive motor; 210. a transmission disc; 211. a square hole; 300. a retractor; 310. a U-shaped plate; 311. an arc-shaped plate; 312. a movable wheel; 400. a wind-up roll; 401. a groove; 402. a first magnetic member; 410. a telescoping member; 411. a sleeve; 412. a telescopic rod; 413. a spring; 420. a connecting disc; 421. a square column; 430. an adjusting ring; 441. a handle; 442. a restraining bar; 443. a second magnetic member; 444. the passage is restricted.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Referring to fig. 1 to 5 together, the embodiment provides a film winding device, which includes a winding roller 400, wherein both sides of the winding roller 400 are provided with a driving assembly and a roller changing assembly;

both ends of the winding roller 400 are fixedly connected with expansion pieces 410, and one end of each expansion piece 410, which is far away from the winding roller 400, is fixedly connected with a first connecting structure;

the driving assembly comprises a driving motor 200 fixedly arranged and a second connecting structure fixedly connected to an output shaft of the driving motor 200; the first connecting structure and the second connecting structure are mutually embedded;

roll change subassembly is including the expansion bend 300 of fixed setting, and the flexible end fixedly connected with compression piece of expansion bend 300, compression piece first connection structure on the wind-up roll 400.

In this embodiment, when the film needs to be wound, the expansion pieces 410 at the two ends of the winding roller 400 are compressed, and then the first connection structures on the expansion pieces 410 at the two ends are controlled to align with the second connection structures; after the first connecting structures at the two ends of the wind-up roller 400 are aligned with the second connecting structures of the driving assemblies at the two ends, the extensible part 410 is released, the first connecting structures are embedded with the second connecting structures, and after the first connecting structures are embedded with the second connecting structures, the rotating second connecting structures can drive the first connecting structures to rotate together; then, the driving motor 200 in the driving assemblies at the two ends is started, and the second connecting structure is fixedly connected to the output shaft of the driving motor 200, so that the driving motor 200 can drive the second connecting structure to rotate when being started, the first connecting structure embedded with the second connecting structure to rotate when the second connecting structure rotates, the telescopic piece 410 and the winding roller 400 are driven to rotate together when the first connecting structures at the two ends of the winding roller 400 rotate, and the winding roller 400 is utilized to rotate to wind the film; the driving motor 200 drives the winding roller 400 to rotate through the embedded first connecting structure and the second connecting structure, and compared with other transmission modes, the winding roller is more stable, and the phenomenon of blocking or shaking is avoided; the winding roller 400 is simple to replace, and the winding roller 400 can be taken down only by compressing the telescopic pieces 410 at the two ends of the winding roller 400 and enabling the first connecting structure and the second connecting structure to be separated from the embedded state; the roll changing assemblies at the two ends of the winding roll 400 can compress the expansion pieces 410 at the two ends of the winding roll 400 through the expansion piece 300 and the compression pieces thereon, so that the winding roll 400 can be easily changed, the operation is rapid and convenient, and the time for changing the winding roll 400 is saved.

Preferably, the first connection structure includes a connection disc 420 fixedly connected to the expansion member 410, and a square column 421 fixedly connected to the connection disc 420; the second connecting structure includes a driving plate 210 fixedly connected to the driving motor 200, and a square hole 211 for the square column 421 to be embedded into is formed on one side of the driving plate 210 facing the square column 421.

As shown in fig. 1 to 4, when the driving motor 200 rotates, the driving disc 210 on the output shaft thereof is driven to rotate, when the driving disc 210 rotates, the square columns 421 in the square holes 211 thereof are driven to rotate together, and when the square columns 421 at the two ends of the wind-up roll 400 rotate together, the connecting disc 420 fixedly connected with the square columns 421, the telescopic pieces 410 fixedly connected to the connecting disc 420, and the wind-up roll 400 with the telescopic pieces 410 fixedly connected to the two ends thereof can be driven to rotate together; the square column 421 and the square hole 211 are matched to ensure that the driving disc 210 can drive the connecting disc 420 to rotate together when rotating, so that the driving motor 200 can stably drive the winding roller 400; it is understood that other structures may be adopted instead of the square column 421 and the square hole 211, for example, at least two circular cylinders are fixedly connected to the connecting disc 420, a corresponding number of circular grooves are provided at corresponding positions of the transmission disc 210, and the cooperation of a plurality of circular cylinders and circular grooves can also ensure that the transmission disc 210 can drive the connecting disc 420 to rotate together when rotating.

Preferably, the compression member includes a U-shaped plate 310 fixedly attached to the telescopic end of the telescopic device 300, and the driving plate 210 is located at a recess of the U-shaped plate 310.

As shown in fig. 1, 2, 3 and 5, the area of the connecting disc 420 is larger than that of the driving disc 210, as shown in fig. 3, when the telescopic end of the telescopic device 300 extends, the U-shaped plate 310 abuts against the connecting disc 420, when the telescopic end of the telescopic device 300 continuously extends, the U-shaped plate 310 can compress the telescopic pieces 410 at the two ends of the winding roller 400, the square column 421 on the connecting disc 420 is separated from the square hole 211 on the rotating disc, and at this time, the winding roller 400 is controlled to move upwards, so that the two ends of the winding roller 400 can be taken down from the opening above the U-shaped plate 310; specifically, when the winding roller 400 is installed, the winding roller 400 is placed above the transmission disc 210, the expansion pieces 410 at two ends of the winding roller 400 are compressed through the U-shaped plate 310, and then the winding roller 400 is controlled to move downwards to the connecting disc 420 to be aligned with the transmission disc 210; more specifically, as shown in fig. 5, a plurality of movable wheels 312 are movably connected to one side of the U-shaped plate 310, which faces the wind-up roll 400, and the movable wheels 312 can reduce the friction force between the U-shaped plate 310 and the connecting disc 420, so that the wind-up roll 400 is conveniently moved; it will be appreciated that the smaller wind-up roll 400 may be removed manually directly from the wind-up roll 400, and the larger wind-up roll 400 may be removed from the wind-up roll 400 by other means, such as a forklift.

Preferably, an arc plate 311 is further fixedly connected to one side of the U-shaped plate 310 facing the wind-up roll 400.

As shown in fig. 5, the arc plate 311 can receive the lower end of the connection plate 420, and limit the position of the connection plate 420, specifically, the position where the arc plate 311 is disposed is exactly the position where the square column 421 on the connection plate 420 aligns with the square hole 211 of the transmission plate 210.

Preferably, each roll change assembly comprises at least four expanders 300.

As shown in fig. 1 to 3, four retractors 300 can more stably act on a U-shaped plate 310; specifically, the telescopic device 300 may be a hydraulic cylinder or an electric push rod in the prior art.

Preferably, the telescopic member 410 comprises a sleeve 411 fixedly connected with the winding roller 400, a telescopic rod 412 telescopically connected in the sleeve 411, and a spring 413 positioned in the sleeve 411, wherein one end of the spring 413 is in contact with the bottom surface of the telescopic rod 412, and the other end of the spring 413 is in contact with the inner bottom surface of the sleeve 411.

As shown in fig. 4, when pressure is applied to the telescopic rod 412, the telescopic rod 412 retracts into the sleeve 411, and the spring 413 in the sleeve 411 is compressed; when the telescopic rod 412 is released, the spring 413 is restored to apply an acting force to the telescopic rod 412, so that the telescopic rod 412 extends out of the sleeve 411; the structure can provide a good elastic telescopic structure between the connecting disc 420 and the winding roller 400; it will be appreciated that the telescoping member 410 may be implemented with other telescoping members 410, such as a hydraulic ram or directly with the spring 413.

Preferably, at least 3 retractors 410 are provided at both ends of the wind-up roll 400.

As shown in fig. 1 to 4, the arrangement of the plurality of expansion pieces 410 can provide a more stable expansion effect between the wind-up roll 400 and the connection disc 420.

Preferably, the telescopic device further comprises a base 100, wherein a first mounting column 110 and a second mounting column 120 are fixedly connected to the top side of the base 100, the driving motor 200 is fixedly mounted on the first mounting column 110, and the telescopic device 300 is fixedly mounted on the second mounting column 120.

As shown in fig. 1 to 3, the driving motor 200 is fixedly mounted on the top side of the first mounting post 110, and the expansion piece 300 is fixedly mounted on the sidewall of the second mounting post 120; the base 100 and the first and second mounting

posts

110 and 120 allow the drive assembly and the roll-changing assembly to be mounted together at both ends to provide greater device integrity.

Preferably, the outer side walls of both ends of the wind-up roll 400 are movably connected with adjusting rings 430.

As shown in fig. 1 to 3, the adjusting ring 430 can limit the width of the film when the winding roller 400 winds the film, so that the two ends of the film can be aligned after the film is wound.

Preferably, a limiting channel 444 is fixedly connected to the side wall of the adjusting ring 430, a limiting rod 442 is movably arranged in the limiting channel 444, and a second magnetic member 443 is fixedly connected to one end of the limiting rod 442 facing the wind-up roll 400; the outer side walls of the two ends of the wind-up roller 400 are axially provided with a plurality of grooves 401 for the limiting rods 442 to extend into, and the bottom surfaces of the grooves 401 are fixedly connected with first magnetic pieces 402 magnetically attracted with the second magnetic pieces 443.

As shown in fig. 1 to 3 and 6, the adjusting ring 430 is moved to a proper position on the winding roller 400, the limiting rod 442 in the movement limiting channel 444 extends into the groove 401 of the winding roller 400, when the limiting rod 442 extends into the groove 401, the second magnetic member 443 on the limiting rod 442 is attracted to the first magnetic member 402 fixedly connected to the bottom of the groove 401, and at this time, the limiting rod 442 can limit the movement of the limiting channel 444, so as to limit the movement of the adjusting ring 430; specifically, a handle 441 is further fixedly connected to an end of the restriction rod 442 away from the second magnetic member 443, so that an operator can operate the restriction rod 442 conveniently.

Compared with the prior art, the winding roller 400 can be arranged between the two driving assemblies through the telescopic piece 410 and the first connecting structure on the winding roller 400; meanwhile, after the first connecting structure and the second connecting structure are embedded, the driving motor 200 can stably drive the winding roller 400 to rotate, the phenomenon of blocking or shaking is avoided as much as possible, and the winding roller 400 can rotate at a constant speed and can stably wind; the parts replacing assemblies at the two ends of the winding roller 400 can also easily replace the winding roller 400 between the driving assemblies, so that the method is quick and convenient, and the time for replacing the winding roller 400 is saved.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A film winding device is characterized by comprising a winding roller, wherein both sides of the winding roller are provided with a driving assembly and a roller changing assembly;

the driving assembly comprises a fixedly arranged driving motor and a second connecting structure fixedly connected to an output shaft of the driving motor; the first connecting structure and the second connecting structure are mutually embedded, so that the second connecting structure can drive the first connecting structure to rotate together when rotating;

the roller changing assemblies comprise retractors which are fixedly arranged, the retractors which transversely stretch are arranged at two ends of the winding roller, the telescopic ends of the retractors are fixedly connected with compression pieces, the compression pieces face the first connecting structure on the winding roller, and the retractors at the two ends of the winding roller are compressed by the roller changing assemblies at the two sides of the winding roller through the retractors and the compression pieces on the retractors;

still include the base, base top side fixedly connected with first erection column and second erection column, driving motor fixed mounting be in on the first erection column, expansion bend fixed mounting be in on the second erection column.

2. The film winding apparatus as claimed in claim 1, wherein said first connecting structure comprises a connecting plate fixedly connected to said expansion member, and a square column fixedly connected to said connecting plate; the second connecting structure comprises a transmission disc fixedly connected to the driving motor, and a square hole for embedding the square column is formed in one side, facing the square column, of the transmission disc.

3. The film take-up device as claimed in claim 2, wherein the compression member comprises a U-shaped plate fixedly attached to the telescopic end of the telescopic member, and the driving plate is located in a recess of the U-shaped plate.

4. The film winding device of claim 3, wherein an arc-shaped plate is fixedly connected to one side of the U-shaped plate facing the winding roller.

5. The film take-up device of claim 4, wherein each roll change assembly comprises at least four of said retractors.

6. The film winding device as claimed in claim 1, wherein the telescopic member comprises a sleeve fixedly connected with the winding roller, a telescopic rod telescopically connected in the sleeve, and a spring positioned in the sleeve, wherein one end of the spring is in contact with the bottom surface of the telescopic rod, and the other end of the spring is in contact with the inner bottom surface of the sleeve.

7. The film winding device as claimed in claim 6, wherein at least 3 of said retractors are provided at both ends of said winding roll.

8. The film winding device as claimed in claim 1, wherein the outer side walls of both ends of said winding roll are movably connected with adjusting rings.

9. The film winding device according to claim 8, wherein a limiting channel is fixedly connected to a side wall of the adjusting ring, a limiting rod is movably arranged in the limiting channel, and a second magnetic member is fixedly connected to one end of the limiting rod facing the winding roller; the outer side walls at two ends of the winding roller are axially provided with a plurality of grooves for the limiting rods to extend into, and the bottom surfaces of the grooves are fixedly connected with first magnetic pieces which are magnetically attracted with the second magnetic pieces.