CN112677501A

CN112677501A - Preparation method of printing composite plastic flexible packaging film

Info

Publication number: CN112677501A
Application number: CN202110023939.XA
Authority: CN
Inventors: 武小侠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-04-20

Abstract

The invention relates to a preparation method of a printing composite plastic flexible packaging film, which comprises a bottom plate, a support frame, a coating device and an adhesive device, wherein the support frame is arranged in the middle of the upper end of the bottom plate, the cross section of the support frame is of a U-shaped structure, the coating device is arranged on the left side inside the support frame, and the adhesive device is arranged on the right side inside the support frame. The invention can solve the problems that the existing equipment has poor gluing effect and uneven coating, can not effectively drive the rubber roller to rotate, the rubber roller is easy to be blocked, so that the glue solution is not uniformly coated, and the subsequent composite processing of the film is not facilitated, and meanwhile, the existing equipment can not effectively position the film when the existing equipment carries out composite processing on the plastic film, the film is easy to displace during conveying, so that the phenomenon that the composite film is easy to deviate, the subsequent use effect of the film is influenced, and the like.

Description

Preparation method of printing composite plastic flexible packaging film

Technical Field

The invention relates to the field of printing processing, in particular to a preparation method of a printing composite plastic flexible packaging film.

Background

The plastic film is transparent and flexible, has good water resistance, moisture resistance and air resistance, good mechanical strength, stable chemical property and oil resistance, is easy to print exquisite pictures and texts, and can be thermally sealed to form bags. The packaging material can meet the packaging requirements of various articles, is an ideal material for packaging easy-to-store and easy-to-place convenience food, articles for daily use and small-package commodities in supermarkets, and the flexible package printing mainly based on plastic films plays an important role in packaging printing; generally, because a single film material has insufficient protection to contents, more than two films are often combined into a composite film to meet the technical requirements of food preservation and aseptic packaging.

At present, the existing composite plastic flexible packaging film generally has the following defects during composite processing: 1. when the existing equipment is used for gluing a plastic film, the gluing effect is poor, the coating is not uniform, the rubber roller cannot be effectively driven to rotate, and the rubber roller is easy to be blocked, so that the glue solution is not uniformly smeared, and the subsequent composite processing of the film is not facilitated; 2. when the existing equipment is used for carrying out composite processing on the plastic film, the film cannot be effectively positioned, and the film is easy to displace during conveying, so that the phenomenon that the compounded film is easy to deviate is caused, and the subsequent use effect of the film is influenced.

Disclosure of Invention

Technical problem to be solved

The invention can solve the problems that the existing equipment has poor gluing effect and uneven coating, can not effectively drive the rubber roller to rotate, the rubber roller is easy to be blocked, so that the glue solution is not uniformly coated, and the subsequent composite processing of the film is not facilitated, and meanwhile, the existing equipment can not effectively position the film when the existing equipment carries out composite processing on the plastic film, the film is easy to displace during conveying, so that the phenomenon that the composite film is easy to deviate, the subsequent use effect of the film is influenced, and the like.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme that the preparation method of the printing composite plastic flexible packaging film adopts the following processing equipment, the processing equipment comprises a bottom plate, a support frame, a coating device and an adhesive device, the middle part of the upper end of the bottom plate is provided with the support frame, the section of the support frame is in a U-shaped structure, the left side inside the support frame is provided with the coating device, and the right side inside the support frame is provided with the adhesive device.

The coating device comprises a fixed sleeve, a rotating mechanism, a rotating frame, a guide frame, a coating mechanism, an adjusting mechanism and a conveying mechanism, wherein the fixed sleeve is symmetrically arranged in the supporting frame, the rotating mechanism is arranged between the inner parts of the fixed sleeve, the rotating frame is arranged between the outer sides of the fixed sleeves, the middle part of the rotating frame is connected with the rotating mechanism, the guide frame is arranged on the inner side of the fixed sleeve, the section of the guide frame is of a cam-shaped structure, grooves are uniformly arranged on the rotating frame, the coating mechanism is arranged in the grooves, the inner side of the coating mechanism is tightly attached to the guide frame, the adjusting mechanism is symmetrically arranged at the lower end of the rotating frame, the adjusting mechanism is arranged on the supporting frame, the adjusting mechanism is connected with the coating mechanism, the conveying mechanism is arranged at the lower end in the supporting frame, the rotating mechanism can drive the coating mechanism to rotate, the coating mechanism uniformly coats glue liquid in the rotating frame on the surface of the plastic film through the adjusting mechanism, the coating effect is good, the coating is uniform, and the follow-up adhesion tightness of the film is ensured.

The coating mechanism comprises a fixing frame, a coating roller, a rotating gear and a guide unit, wherein the fixing frame is installed in a groove, the cross section of the fixing frame is of a U-shaped structure, the coating roller is installed in the fixing frame through a bearing, the rotating gear is symmetrically installed on the outer side of the coating roller, counter bores are evenly formed in the inner side of the groove and communicated with the inner portion of the rotating frame, the guide unit is installed on each counter bore, the outer side of the guide unit is connected with the fixing frame, the inner side of the guide unit is tightly attached to the guide frame, when the guide frame drives the guide unit to push outwards, the guide unit drives the coating roller to move outwards, the lower end of the coating roller is contacted with a film, glue in the rotating frame flows onto the coating roller, meanwhile, the rotating gear is meshed with an adjusting mechanism, and the adjusting mechanism can further.

The direction unit include guide bar, seal holder and expanding spring, the counter bore in be connected with the guide bar through sliding fit's mode, the guide bar outside is connected with the mount, be provided with on the guide bar with counter bore complex seal holder, be provided with expanding spring on the guide bar, the gyro wheel is installed to the guide bar inboard, the gyro wheel is hugged closely with the guide holder, concrete during operation, when the guide bar rotates along with the rotating turret, the guide bar inboard contacts with the guide holder through the gyro wheel, the guide holder of cam-type drives the outside expansion of guide bar, the guide bar and then can drive the coating roller and carry out coating processing, expanding spring plays the effect that resets.

The preparation method of the printing composite plastic flexible packaging film comprises the following steps:

s1, film printing: printing the surface of the plastic film in a gravure printing mode;

s2, gluing and compounding: the film printed in the step S1 is sent to the upper end of a conveying mechanism, the conveying mechanism can drive the film to be uniformly conveyed, a rotating mechanism can drive a coating mechanism to rotate, the coating mechanism uniformly coats glue solution in a rotating frame on the surface of the plastic film through an adjusting mechanism, a bonding device can tightly bond the composite film and the plastic film, and the bonded film can be wound;

s3, slitting: the film wound in the step S2 can be cut to a fixed length by a cutting method;

s4, collecting and stacking: and (5) manually collecting the films cut in the step (S3) and then sending the films into a warehouse for stacking and storing.

Preferably, adhesive device include material roller, wind-up roll and reset spring, the inside right side of support frame install the material roller through the bearing, even winding has the film on the material roller, the inside symmetry of support frame is provided with the spout, be connected with the slider through sliding fit's mode in the spout, install the wind-up roll through the bearing between the slider, the wind-up roll is located material roller top, install reset spring between slider upper end and the spout, concrete during operation, the wind-up roll can carry out the rolling to the plastic film after the rubber coating, the complex film on the material roller can bond the plastic film after the rubber coating mutually simultaneously, bonding effect is good, does benefit to follow-up use.

Preferably, slewing mechanism include driving motor, axis of rotation and link, the support frame inside install the axis of rotation through the bearing, driving motor is installed through the motor cabinet in the support frame rear end, driving motor's output shaft is connected with the axis of rotation, the axis of rotation middle part is connected with the rotating turret through the link, specific during operation, driving motor drives the link through the axis of rotation and rotates, the link and then can drive the rotating turret and carry out synchronous rotation.

Preferably, adjustment mechanism include connecting plate, regulating plate and rack plate, the support frame inner wall on install the connecting plate, the regulating plate is installed to the connecting plate upper end, the regulating plate is the arc structure, the inside arc wall that is provided with of regulating plate, install the rack plate in the arc wall, the rack plate meshes with coating mechanism mutually, concrete during operation, when the running gear descends and meshes with the rack plate mutually, the rack plate passes through running gear and drives the coating roll rotation, the coating roll and then can evenly paint the glue solution on the film, avoid appearing the coating roll and not rotate and lead to painting inhomogeneous phenomenon and take place.

Preferably, conveying mechanism include conveying roller, conveyer belt and closing plate, the support frame in the symmetry install the conveying roller, install the conveyer belt between the conveying roller, the closing plate is installed through the bearing symmetry in the conveying roller outside, specific during operation, the conveyer belt can be inhaled tightly to the film lower extreme for the film can closely be attached on the conveyer belt, guarantees the accuracy that the film was carried, does benefit to the accurate rubber coating processing of film.

Preferably, a sealing cavity is formed between the sealing plate and the conveying belt, air holes are uniformly formed in the conveying belt, the sealing plate is connected with a vacuum pump, and the sealing cavity is a negative pressure cavity.

(III) advantageous effects

1. According to the preparation method of the printing composite plastic flexible packaging film, the conveying mechanism can effectively suck the bottom of the film tightly, so that the conveying mechanism can accurately position the film, the film is prevented from deviating, and the subsequent composite processing of the film is facilitated;

2. according to the preparation method of the printing composite plastic flexible packaging film, the coating mechanism can effectively coat the glue solution on the film, the coating effect is good, the coating is uniform, the phenomenon that the coating roller is blocked is avoided, and the accuracy of the subsequent composite processing of the film is ensured;

3. according to the preparation method of the printing composite plastic flexible packaging film, the adhesive device can effectively drive the glued films to be subjected to composite processing, so that the films can be tightly adhered together, bubbles are prevented from existing between the films, and the subsequent use of the composite films is facilitated.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the bottom plate, the supporting frame and the coating device of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention between the fixing sleeve, the rotating mechanism, the rotating frame, the guiding frame, the coating mechanism and the adjusting mechanism;

FIG. 5 is a schematic cross-sectional view of the rotary frame and the coating mechanism of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 5, the preparation method of the printing composite plastic flexible packaging film adopts a processing device which comprises a bottom plate 1, a support frame 2, a coating device 3 and an adhesive device 4, wherein the support frame 2 is installed in the middle of the upper end of the bottom plate 1, the cross section of the support frame 2 is of a U-shaped structure, the coating device 3 is installed on the left side inside the support frame 2, and the adhesive device 4 is installed on the right side inside the support frame 2.

The coating device 3 comprises a fixed sleeve 31, a rotating mechanism 32, a rotating frame 33, a guide frame 34, a coating mechanism 35, an adjusting mechanism 36 and a conveying mechanism 37, wherein the fixed sleeve 31 is symmetrically arranged in the support frame 2, the rotating mechanism 32 is arranged between the fixed sleeve 31, the rotating frame 33 is arranged between the outer sides of the fixed sleeve 31, the middle part of the rotating frame 33 is connected with the rotating mechanism 32, the guide frame 34 is arranged on the inner side of the fixed sleeve 31, the section of the guide frame 34 is of a cam-shaped structure, grooves are uniformly formed in the rotating frame 33, the coating mechanism 35 is arranged in the grooves, the inner side of the coating mechanism 35 is tightly attached to the guide frame 34, the adjusting mechanism 36 is symmetrically arranged at the lower end of the rotating frame 33, the adjusting mechanism 36 is arranged on the support frame 2, the adjusting mechanism 36 is connected with the coating mechanism 35, the conveying, the printed film is sent to the upper end of the conveying mechanism 37, the conveying mechanism 37 can drive the film to be uniformly conveyed, the rotating mechanism 32 can drive the coating mechanism 35 to rotate, the coating mechanism 35 uniformly coats glue liquid in the rotating frame 33 onto the surface of the plastic film through the adjusting mechanism 36, the coating effect is good, the coating is uniform, and the follow-up adhesion tightness of the film is ensured.

Slewing mechanism 32 include driving motor 321, axis of rotation 322 and

link

323, 2 insides of support frame install axis of rotation 322 through the bearing, driving motor 321 is installed through the motor cabinet in 2 rear ends of support frame, driving motor 321's output shaft is connected with axis of rotation 322, axis of rotation 322 middle part is connected with rotating turret 33 through link 323, specific during operation, driving motor 321 drives link 323 through axis of rotation 322 and rotates, link 323 and then can drive rotating turret 33 and carry out synchronous rotation.

The coating mechanism 35 comprises a fixed frame 351, a coating roller 352, a rotating gear 353 and a guide unit 354, a fixing frame 351 is arranged in the groove, the cross section of the fixing frame 351 is in a U-shaped structure, a coating roller 352 is arranged in the fixing frame 351 through a bearing, rotating gears 353 are symmetrically arranged on the outer side of the coating roller 352, counter bores are uniformly arranged on the inner side of the groove, the counter bores are communicated with the inside of the rotating frame 33, a guide unit 354 is arranged on the counter bores, the outer side of the guide unit 354 is connected with the fixing frame 351, the inner side of the guide unit 354 is tightly attached to the guide frame 34, when the device, when the guide frame 34 drives the guide unit 354 to push outwards, the guide unit 354 drives the coating roller 352 to move outwards, so that the lower end of the coating roller 352 is in contact with the film, the glue solution inside the rotating frame 33 flows onto the coating roller 352, meanwhile, the rotating gear 353 is meshed with the adjusting mechanism 36, and the adjusting mechanism 36 can further drive the coating roller 352 to uniformly coat the glue solution on the surface of the film.

The guide unit 354 comprises a guide rod 3541, a sealing frame 3542 and a telescopic spring 3543, the inside of the counter bore is connected with the guide rod 3541 in a sliding fit mode, the outer side of the guide rod 3541 is connected with a fixing frame 351 of a fixing frame 351, the guide rod 3541 is provided with the sealing frame 3542 matched with the counter bore, the telescopic spring 3543 is arranged on the guide rod 3541, the inner side of the guide rod 3541 is provided with a roller, the roller is attached to the guide frame 34, in specific work, when the guide rod 3541 rotates along with the rotating frame 33, the inner side of the guide rod 3541 is contacted with the guide frame 34 through the roller, the cam-type guide frame 34 drives the guide rod 3541 to expand outwards, the guide rod 3541 can further drive the coating roller 352 to perform coating processing, and the telescopic spring 3543 plays a reset role.

Adjustment mechanism 36 include connecting plate 361, regulating plate 362 and

rack plate

363, 2 inner walls of support frame on install connecting plate 361, regulating plate 362 is installed to connecting plate 361 upper end, regulating plate 362 is the arc structure, the inside arc wall that is provided with of regulating plate 362, install rack plate 363 in the arc wall, rack plate 363 meshes with coating mechanism 35 mutually, concrete during operation, when rotating gear 353 descends and meshes with rack plate 363 mutually, rack plate 363 drives coating roller 352 through rotating gear 353 and rotates, coating roller 352 and then can evenly scribble the glue solution on the film, avoid appearing coating roller 352 and not rotating and lead to scribbling inhomogeneous phenomenon and take place.

Conveying mechanism 37 include conveying roller 371, conveyer belt 372 and closing plate 373, support frame 2 in the symmetry install conveying roller 371, install conveyer belt 372 between conveying roller 371, the closing plate 373 is installed through the bearing symmetry in the conveying roller 371 outside, closing plate 373 and conveyer belt 372 between form sealed chamber, evenly be provided with the gas pocket on the conveyer belt 372, closing plate 373 is connected with the vacuum pump, sealed chamber is the negative pressure chamber, and during concrete work, conveyer belt 372 can inhale the film lower extreme tightly for the film can closely be attached on conveyer belt 372, guarantees the accuracy that the film was carried, does benefit to the accurate rubber coating processing of film.

Adhesive device 4 include material roller 41, wind-up roll 42 and reset spring 43, the inside right side of support frame 2 install material roller 41 through the bearing, even winding has the film on the material roller 41, the inside symmetry of support frame 2 is provided with the spout, be connected with the slider through sliding fit's mode in the spout, install wind-up roll 42 through the bearing between the slider, wind-up roll 42 is located material roller 41 top, install reset spring 43 between slider upper end and the spout, concrete during operation, wind-up roll 42 can carry out the rolling to the plastic film after the rubber coating, the complex film on the material roller 41 can bond mutually to the plastic film after the rubber coating simultaneously, bonding effect is good, do benefit to subsequent use.

s2, gluing and compounding: the film printed in the step S1 is sent to the upper end of the conveying mechanism 37, the conveying mechanism 37 can drive the film to be uniformly conveyed, the rotating mechanism 32 can drive the coating mechanism 35 to rotate, the coating mechanism 35 uniformly coats the glue solution in the rotating frame 33 on the surface of the plastic film through the adjusting mechanism 36, the bonding device 4 can tightly bond the composite film and the plastic film, and meanwhile, the bonded film can be wound;

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A preparation method of a printing composite plastic flexible packaging film adopts the following processing equipment, and the processing equipment comprises a bottom plate (1), a support frame (2), a coating device (3) and a bonding device (4), and is characterized in that: the middle part of the upper end of the bottom plate (1) is provided with a support frame (2), the section of the support frame (2) is of a U-shaped structure, the left side inside the support frame (2) is provided with a coating device (3), and the right side inside the support frame (2) is provided with an adhesive device (4); wherein:

the coating device (3) comprises a fixed sleeve (31), a rotating mechanism (32), a rotating frame (33), a guide frame (34), a coating mechanism (35), an adjusting mechanism (36) and a conveying mechanism (37), wherein the fixed sleeve (31) is symmetrically arranged inside the support frame (2), the rotating mechanism (32) is arranged inside the fixed sleeve (31), the rotating frame (33) is arranged between the outer sides of the fixed sleeve (31), the middle part of the rotating frame (33) is connected with the rotating mechanism (32), the guide frame (34) is arranged on the inner side of the fixed sleeve (31), the section of the guide frame (34) is of a cam-shaped structure, grooves are uniformly formed in the rotating frame (33), the coating mechanism (35) is arranged in the grooves, the inner side of the coating mechanism (35) is tightly attached to the guide frame (34), the adjusting mechanism (36) is symmetrically arranged at the lower end of the rotating frame (33), and the adjusting mechanism (36) is arranged on, the adjusting mechanism (36) is connected with the coating mechanism (35), and the lower end in the support frame (2) is provided with a conveying mechanism (37);

the coating mechanism (35) comprises a fixing frame (351), a coating roller (352), a rotating gear (353) and a guide unit (354), wherein the fixing frame (351) is installed in the groove, the section of the fixing frame (351) is of a U-shaped structure, the coating roller (352) is installed in the fixing frame (351) through a bearing, the rotating gear (353) is symmetrically installed on the outer side of the coating roller (352), counter bores are uniformly formed in the inner side of the groove, the counter bores are communicated with the inside of the rotating frame (33), the guide unit (354) is installed on the counter bores, the outer side of the guide unit (354) is connected with the fixing frame (351), and the inner side of the guide unit (354) is tightly attached;

the guide unit (354) comprises a guide rod (3541), a sealing frame (3542) and a telescopic spring (3543), the inside of the counter bore is connected with the guide rod (3541) in a sliding fit mode, the outer side of the guide rod (3541) is connected with a fixed frame (351) of the fixed frame (351), the sealing frame (3542) matched with the counter bore is arranged on the guide rod (3541), the telescopic spring (3543) is arranged on the guide rod (3541), a roller is installed on the inner side of the guide rod (3541), and the roller is tightly attached to the guide frame (34);

s2, gluing and compounding: the film printed in the step S1 is sent to the upper end of a conveying mechanism (37), the conveying mechanism (37) can drive the film to be uniformly conveyed, a rotating mechanism (32) can drive a coating mechanism (35) to rotate, the coating mechanism (35) uniformly coats glue inside a rotating frame (33) on the surface of the plastic film through an adjusting mechanism (36), a bonding device (4) can tightly bond the composite film and the plastic film, and the bonded film can be wound;

2. The method for preparing the printing composite plastic flexible packaging film according to claim 1, wherein the method comprises the following steps: adhesive device (4) include material roller (41), wind-up roll (42) and reset spring (43), support frame (2) inside right side install material roller (41) through the bearing, evenly twine on material roller (41) and have the film, the inside symmetry of support frame (2) is provided with the spout, is connected with the slider through sliding fit's mode in the spout, installs wind-up roll (42) through the bearing between the slider, wind-up roll (42) are located material roller (41) top, install reset spring (43) between slider upper end and the spout.

3. The method for preparing the printing composite plastic flexible packaging film according to claim 1, wherein the method comprises the following steps: slewing mechanism (32) include driving motor (321), axis of rotation (322) and link (323), support frame (2) inside install axis of rotation (322) through the bearing, driving motor (321) are installed through the motor cabinet to support frame (2) rear end, the output shaft of driving motor (321) is connected with axis of rotation (322), axis of rotation (322) middle part is connected with rotating turret (33) through link (323).

4. The method for preparing the printing composite plastic flexible packaging film according to claim 1, wherein the method comprises the following steps: adjustment mechanism (36) include connecting plate (361), regulating plate (362) and rack plate (363), support frame (2) inner wall on install connecting plate (361), regulating plate (362) are installed to connecting plate (361) upper end, regulating plate (362) are the arc structure, regulating plate (362) inside is provided with the arc wall, rack plate (363) are installed to the arc wall, rack plate (363) and coating mechanism (35) mesh mutually.

5. The method for preparing the printing composite plastic flexible packaging film according to claim 1, wherein the method comprises the following steps: conveying mechanism (37) include conveying roller (371), conveyer belt (372) and closing plate (373), support frame (2) in the symmetry install conveying roller (371), install conveyer belt (372) between conveying roller (371), closing plate (373) is installed through bearing symmetry in the conveying roller (371) outside.

6. The method for preparing the printing composite plastic flexible packaging film according to claim 5, wherein the printing composite plastic flexible packaging film comprises the following steps: the sealing plate (373) and the conveying belt (372) form a sealing cavity therebetween, the conveying belt (372) is uniformly provided with air holes, the sealing plate (373) is connected with a vacuum pump, and the sealing cavity is a negative pressure cavity.