CN111483221A

CN111483221A - Precoating type laminating machine for printed matter processing

Info

Publication number: CN111483221A
Application number: CN202010419632.7A
Authority: CN
Inventors: 刘乾春
Original assignee: 刘乾春
Current assignee: HEBEI WANJIE MACHINERY TECHNOLOGY CO.,LTD.
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-08-04
Anticipated expiration: 2040-05-18
Also published as: CN111483221B

Abstract

The invention relates to the technical field of printed matter processing, and discloses a precoating type laminating machine for printed matter processing, which comprises a machine body, a film releasing roller, a tensioning roller set, a hot pressing roller set, a repressing roller set and a conveying table, wherein the film releasing roller and the tensioning roller set are fixedly arranged above the machine body, the hot pressing roller set and the repressing roller set are arranged inside the machine body, the conveying table is fixedly arranged on the side surface of the machine body, and a preheating mechanism which is positioned on the lower side of the tensioning roller set and used for generating heat through friction is fixedly arranged above the machine body. This printed matter processing is with type laminating machine of precoating through the sliding friction of preheating mechanism and film, converts kinetic energy into heat energy, improves the temperature on film surface, promotes melting of glue on the film, reduces the film that film and hot pressing roller set contact time short lead to and melts inhomogeneous condition, improves the homogeneity that glue melted, helps the fastness of printed matter and film pressfitting, has solved the branch membrane problem of printed matter and film, has improved the quality of printed matter tectorial membrane.

Description

Precoating type laminating machine for printed matter processing

Technical Field

The invention relates to the technical field of printed matter processing, in particular to a precoating type laminating machine for printed matter processing.

Background

Film coating machines can be divided into two major categories, namely immediate-coating type film coating machines and precoating type film coating machines. The paper-plastic composite film is special equipment for paper, plate and film lamination, and is pressed by a rubber roller and a heating roller to form a paper-plastic composite product. Compared with the existing coating type laminating machine, the precoating type laminating machine has the biggest characteristic that no parts for coating and drying are coated, so the precoating type laminating machine has the advantages of compact structure, small volume, low manufacturing cost, simple and convenient operation, good product quality stability and wide application in laminating processing of printed products. The traditional precoating type film laminating machine comprises four main parts, namely, precoating plastic film unreeling, printed matter input, hot pressing area compounding and automatic rolling, and auxiliary devices, namely, mechanical transmission, precoating plastic film flattening, longitudinal and transverse slitting, a computer control system and the like. The film consumables used by the pre-coating type laminating machine are already coated with glue, the glue is melted by heating during laminating, and then the film is bonded on a printed matter by pressurizing.

In actual production, the contact time of the film and the hot pressing roller is too short, the heating time of glue on the film is short, and due to factors such as different thicknesses of glue at different parts on the film, the glue on the film is easy to melt and uneven, so that the adhesion between the film and a printed matter is insufficient, the demolding condition is easy to occur, and the film laminating effect is reduced; in addition, the presswork is at the printing in-process, in order to prevent that the presswork from gluing when piling up, its surface spouts one deck anti-adhesion powder, need clear away its surface powder before with the film pressfitting, prevent that the powder from hindering the pressfitting of film and presswork, cause the pressfitting flaw, among the prior art, use the brush to clean the presswork surface in order to reach the purpose of cleaing away the powder, because there is the clearance between the brush tooth, can't effectively clear away the powder, the presswork surface unevenness after the coating is led to the residue of powder, the quality and the aesthetic property of having reduced the presswork.

Disclosure of Invention

The invention provides a precoating type laminating machine for processing printed matters, which aims at solving the problems that the existing precoating type laminating machine in the background art is poor in adhesive force between a film and a printed matter due to the fact that glue is not uniformly melted after being heated, demolding is easy to occur, and powder on the surface of the printed matter cannot be effectively removed by using a brush.

The invention provides the following technical scheme: the utility model provides a presswork processing is with type laminating machine of precoating, includes the organism, puts membrane roller, tensioning roller set, hot pressing roller set, repressing roller set, conveying platform, put membrane roller and tensioning roller set fixed mounting in the top of organism, the inside of organism is provided with hot pressing roller set and repressing roller set, conveying platform fixed mounting is in the side of organism, the top fixed mounting of organism is located tensioning roller set downside and is used for the thematic mechanism of preheating of friction, fixed mounting has the supplementary tensioning roller that is located preheating mechanism middle part on the organism, the upper surface and the film gum face that preheat the mechanism contact.

Preferably, an adsorption plate is arranged above the conveying table, and the preheating mechanism is connected with the adsorption plate through a lead.

Preferably, the preheating mechanism comprises a friction unit block and a friction strip, the friction unit block and the friction strip are connected in a longitudinal and transverse mode, an outer frame is fixedly connected to the outer sides of the friction unit block and the friction strip, the outer frame is fixedly installed on the machine body, and the friction unit block is electrically connected with the adsorption plate.

Preferably, the adsorption plate comprises adsorption unit blocks, the adsorption plate is formed by splicing the adsorption unit blocks, and the friction unit block is connected with the adsorption unit blocks through a conducting wire.

Preferably, the preheating mechanism is formed by combining multiple sections, the upper surface of the preheating mechanism is parallel to the thin film, and the friction unit block and the adsorption unit block are connected in a one-to-one or many-to-one mode.

Preferably, the top of conveying platform is provided with the powder device of scraping that is located adsorption plate department, the powder device of scraping includes drive mechanism, scrapes whitewashed ware, powder dish and brush, drive mechanism fixed mounting is in the both sides of conveying platform, the both ends of scraping whitewashed ware are fixed connection respectively in two drive mechanism's side, the powder dish sets up in the top of adsorption plate, brush fixed connection in the side of scraping whitewashed ware, drive mechanism is connected with the hot pressing roller set transmission.

Preferably, the powder scraper comprises a scraper and a powder cavity, the scraper is fixedly installed on the outer wall of the powder cavity, and a powder falling port is formed in the top of the powder cavity.

The invention provides a precoating type laminating machine for processing printed matters, which has the following beneficial effects:

1. this printed matter processing is with type laminating machine of precoating through the sliding friction of preheating mechanism and film, converts kinetic energy into heat energy, improves the temperature on film surface, promotes melting of glue on the film, reduces the film that film and hot pressing roller set contact time short lead to and melts inhomogeneous condition, improves the homogeneity that glue melted, helps the fastness of printed matter and film pressfitting, has solved the branch membrane problem of printed matter and film, has improved the quality of printed matter tectorial membrane.

2. This precoating type laminating machine is used in printed matter processing produces electrostatic effect through friction unit piece and film sliding friction to utilize the wire to conduct the electric charge in the friction unit piece to the adsorption unit piece of low potential, utilize the surperficial powder of electrostatic absorption printed matter, thereby reach the purpose of cleaing away the powder, avoid traditional whitewash to clear away the remaining problem of in-process powder, improve the effect of printed matter and film pressfitting.

3. This type of precoating laminating machine is used in printed matter processing through setting up the powder scraping device in adsorption plate department, utilizes the powder scraper to clear away the powder of adsorption plate bottom surface, avoids the powder of adsorption plate bottom surface to pile up the back and reduces the adsorption efficiency to the powder, and the stirring effect of while cooperation brush to printed matter surface powder reduces being stained with of powder and printed matter and adheres to the dynamics, and the adsorption of the adsorption plate of being convenient for to the powder further improves the effect of cleaing away of adsorption plate to the powder.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the preheating mechanism of the present invention;

FIG. 3 is a schematic view of the connection between the adsorption plate and the powder scraping device according to the present invention;

FIG. 4 is a front view of the structure of the present invention;

FIG. 5 is a partial front view of the adsorption plate of the present invention;

FIG. 6 is a schematic view of the powder scraper of the present invention.

In the figure: 1. a body; 2. a film releasing roller; 3. a tension roller set; 4. an auxiliary tension roller; 5. a preheating mechanism; 501. a friction unit block; 502. rubbing the strips; 6. a hot-pressing roller set; 7. a secondary pressing roller set; 8. an adsorption plate; 801. an adsorption unit block; 9. a powder scraping device; 901. a transmission mechanism; 902. a powder scraper; 903. a powder tray; 904. brushing; 10. a transfer station.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a precoating type film laminating machine for processing printed matters comprises a machine body 1, a film placing roller 2, a tensioning roller group 3, a hot pressing roller group 6, a repressing roller group 7 and a conveying table 10, wherein the film placing roller 2 and the tensioning roller group 3 are fixedly arranged above the machine body 1, the hot pressing roller group 6 and the repressing roller group 7 are arranged inside the machine body 1, the conveying table 10 is fixedly arranged on the side surface of the machine body 1, a preheating mechanism 5 which is positioned on the lower side of the tensioning roller group 3 and used for generating heat through friction is fixedly arranged above the machine body 1, an auxiliary tensioning roller 4 which is positioned in the middle of the preheating mechanism 5 is fixedly arranged on the machine body 1, the upper surface of the preheating mechanism 5 is contacted with a film gum surface, an adsorption plate 8 is arranged above the conveying table 10, the preheating mechanism 5 is connected with the adsorption plate 8 through a lead, the glue on the film is preheated by utilizing the heat generated by the sliding friction between the preheating mechanism 5 and the film, meanwhile, the electrostatic, the electric charges generated by the electrostatic effect on the preheating mechanism 5 are conducted into the adsorption plate 8, and the adsorption plate 8 adsorbs the powder on the surface of the printed matter by using the static electricity, so that the effect of killing two birds with one stone is achieved; the preheating mechanism 5 comprises a friction unit block 501 and a friction bar 502, the friction unit block 501 is flush with the top surface of the friction bar 502, the friction unit block 501 and the friction bar 502 are connected in a longitudinal and transverse mode, the electron binding capacity of the friction unit block 501 and the friction bar 502 needs to be simultaneously greater than or simultaneously smaller than the electron binding capacity of a film to electrons, the situation that the preheating mechanism 5 is not electrified due to the fact that the number of positive charges and the number of electrons on the preheating mechanism 5 are the same is avoided, the friction unit block 501 mainly acts on an electrostatic effect to charge the friction unit block 501, therefore, the difference between the electron binding capacities of materials of the friction unit block 501 and the film to the electrons is large, the friction unit block 501 is convenient to obtain or lose electrons easily, the friction bar 502 is used for separating the friction unit block 501, the friction bar 502 is made of materials with high friction coefficients and materials with high smoothness on the surface, the situation that the friction, therefore, the kinetic energy in the sliding process of the friction strip 502 and the film is improved, the kinetic energy is converted into heat energy, the temperature of glue on the surface of the film is improved, the melting of the glue is promoted, the outer sides of the friction unit block 501 and the friction strip 502 are fixedly connected with the outer frame, the outer frame is fixedly arranged on the machine body 1, and the friction unit block 501 is electrically connected with the adsorption plate 8; the adsorption plate 8 comprises adsorption unit blocks 801, the adsorption plate 8 is formed by splicing the adsorption unit blocks 801, the friction unit blocks 501 are connected with the adsorption unit blocks 801 through conducting wires, the upper surface of the preheating mechanism 5 is parallel to the thin film, the friction unit blocks 501 are connected with the adsorption unit blocks 801 in a one-to-one or many-to-one mode, the friction unit blocks 501 are correspondingly connected with the adsorption unit blocks 801, the whole adsorption plate 8 is divided into a plurality of independent adsorption unit blocks 801, the uniform arrangement of electrostatic charges on the adsorption plate 8 is facilitated, and therefore, the uniformity of powder adsorption of the adsorption plate 8 is improved, referring to the figure 1, the preheating mechanism 5 is formed by combining multiple sections, namely, the preheating mechanism 5 can be arranged at different positions according to the position of the thin film, the installation has flexibility, meanwhile, the sectional type arrangement can support the thin film by using an auxiliary tensioning roller 4 between the two sections of preheating mechanisms 5, and can avoid the, the auxiliary tension roller 4 can only contact with the back glue surface of the film, so that heated glue is prevented from being attached to the auxiliary tension roller 4; a powder scraping device 9 positioned at the adsorption plate 8 is arranged above the conveying table 10, the powder scraping device 9 comprises a transmission mechanism 901, a powder scraper 902, a powder disc 903 and a brush 904, referring to fig. 5, the transmission mechanism 901 is fixedly arranged at two sides of the conveying table 10, two ends of the powder scraper 902 are respectively and fixedly connected with the side surfaces of the two transmission mechanisms 901, two ends of the powder scraper 902 are connected with a chain, when the chain rotates, the powder scraper 902 is driven to rotate, the powder disc 903 is arranged above the adsorption plate 8, the powder disc 903 is used for receiving powder poured out from the powder scraper 902, referring to fig. 3, the brush 904 is fixedly connected with the side surface of the powder scraper 902, the brush 904 is in contact with the surface 904 of the printed matter and is mainly used for loosening the powder on the surface of the printed matter, the adhesive force between the powder and the surface of the printed matter is reduced, so that static electricity on the adsorption plate 8 can adsorb the powder, the transmission mechanism 901 is in transmission connection with the hot-pressing roller, drive mechanism 901 can use the gear to be connected with the chain transmission and form, the axis of gear passes through the belt and is connected with hot pressing roller set 6 transmission, use hot pressing roller set 6 pivoted drive power, the accessible uses the reduction gear to reduce drive mechanism 901's rotational speed, refer to fig. 6, powder scraper 902 includes scraper and powder chamber, scraper fixed mounting is on the outer wall in powder chamber, the powder mouth that falls has been seted up at the top in powder chamber, when powder scraper 902 rotates to the below of adsorption plate 8, the scraper contacts with the surface of adsorption plate 8, the powder drops from the surface of adsorption plate 8 under the effect of scraper, and get into in the powder chamber through falling the powder mouth, when powder scraper 902 rotates to the top of adsorption plate 8, the powder mouth that falls on the powder scraper 902 faces down, the powder is emptyd to in powder dish 903 from falling the powder mouth.

The using method of the invention is as follows: firstly, fixedly sleeving a film sleeve on a film placing roller 2, enabling a film to respectively penetrate through the roller surfaces of a tensioning roller group 3 to play a tensioning role, enabling a back adhesive surface of the film to be in contact with the upper surface of a preheating mechanism 5 and in sliding contact with an auxiliary tensioning roller 4, converting kinetic energy generated by sliding of the film and the upper surface of the preheating mechanism 5 into heat energy, preheating glue on the surface of the film, conducting charges in a friction unit block 501 into an adsorption unit block 801 through a conducting wire due to electrostatic effect generated by friction in the sliding process, enabling the adsorption unit block 801 to be electrified, secondly, adsorbing powder on the surface of a printed matter to the surface of an adsorption plate 8 due to the attraction effect of static when the printed matter passes below the adsorption plate 8, simultaneously, driving mechanisms 901 drive powder scrapers 902 to rotate under the rotation of a hot pressing roller group 6, scraping the powder on the surface of the adsorption plate 8 by the powder scrapers, fall into the powder chamber, when the powder scraper 902 rotates to the upper side of the adsorption plate 8, the powder is poured on the powder tray 903 due to the action of gravity, and finally, the printed matter after powder removal and the film preheated by the preheating mechanism 5 are heated by the hot-pressing roller group 6 and are pressed by the matched double-pressing roller group 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a presswork processing is with type laminating machine of precoating, includes organism (1), puts membrane roller (2), tensioning roller set (3), hot pressing roller set (6), repressing roller set (7), conveying platform (10), put membrane roller (2) and tensioning roller set (3) fixed mounting in the top of organism (1), the inside of organism (1) is provided with hot pressing roller set (6) and repressing roller set (7), conveying platform (10) fixed mounting is in the side of organism (1), its characterized in that: the top fixed mounting of organism (1) has and is located tensioning roller set (3) downside and is used for the thematic mechanism (5) of preheating of friction, fixed mounting has on organism (1) and is located auxiliary tensioning roller (4) at preheating mechanism (5) middle part, the upper surface and the film gum surface that preheat mechanism (5) contact.

2. The precoating type film laminating machine for processing printed matters according to claim 1, characterized in that: an adsorption plate (8) is arranged above the conveying table (10), and the preheating mechanism (5) is connected with the adsorption plate (8) through a lead.

3. The precoating type film laminating machine for processing the printed matter according to claim 2, wherein: the preheating mechanism (5) comprises a friction unit block (501) and a friction strip (502), the friction unit block (501) is vertically and horizontally connected with the friction strip (502), an outer frame is fixedly connected to the outer sides of the friction unit block (501) and the friction strip (502), the outer frame is fixedly installed on the machine body (1), and the friction unit block (501) is electrically connected with the adsorption plate (8).

4. The precoating type film laminating machine for processing the printed matter according to claim 3, wherein: the adsorption plate (8) comprises adsorption unit blocks (801), the adsorption plate (8) is formed by splicing the adsorption unit blocks (801), and the friction unit blocks (501) are connected with the adsorption unit blocks (801) through conducting wires.

5. The precoating type film laminating machine for processing the printed matter according to claim 4, wherein: the preheating mechanism (5) is formed by combining multiple sections, the upper surface of the preheating mechanism (5) is parallel to the thin film, and the friction unit block (501) and the adsorption unit block (801) are connected in a one-to-one or many-to-one mode.

6. The precoating type film laminating machine for processing the printed matter according to claim 2, wherein: the powder scraping device (9) located at the position of the adsorption plate (8) is arranged above the conveying table (10), the powder scraping device (9) comprises a transmission mechanism (901), a powder scraper (902), a powder disc (903) and a sweeping brush (904), the transmission mechanism (901) is fixedly installed on two sides of the conveying table (10), two ends of the powder scraper (902) are fixedly connected to the side faces of the two transmission mechanisms (901) respectively, the powder disc (903) is arranged above the adsorption plate (8), the sweeping brush (904) is fixedly connected to the side face of the powder scraper (902), and the transmission mechanism (901) is in transmission connection with the hot pressing roller group (6).

7. The precoating type film laminating machine for processing the printed matter according to claim 6, wherein: the powder scraper (902) comprises a scraper and a powder cavity, the scraper is fixedly installed on the outer wall of the powder cavity, and a powder falling port is formed in the top of the powder cavity.