阅读说明：本技术 一种用于包装盒的印刷烘干镀膜激光加工工艺 (Printing, drying and coating laser processing technology for packaging box ) 是由 黄军平 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种用于包装盒的印刷烘干镀膜激光加工工艺,涉及包装盒加工技术领域。该用于包装盒的印刷烘干镀膜激光加工工艺,包括印刷烘干、包装盒传送、包装盒定位、初步镀膜和镀膜修整五个步骤。该用于包装盒的印刷烘干镀膜激光加工工艺,采用了压敏胶为连接处的固定方式,能够减少包装膜的封边处褶皱较大且连接不稳定的情况,避免了褶皱较大在转运时发生摩擦导致包装膜损坏的情况,较为显著的提高了包装膜的封装稳固性和紧密性,且能够将封边处进行修整,避免了包装膜出现起边和翘边导致转运时容易发生损坏的问题,进而避免了包装膜出现起边和翘边对包装产品造成的不良影响,相对性的提高了包装膜的封装质量和该工艺的实用性。(The invention discloses a printing, drying and coating laser processing technology for a packaging box, and relates to the technical field of packaging box processing. The laser processing technology for the printing drying coating of the packaging box comprises five steps of printing drying, packaging box conveying, packaging box positioning, primary coating and coating finishing. This a printing stoving coating film laser beam machining technology for packing carton, the fixed mode that has adopted the pressure sensitive adhesive to be the junction, can reduce the great and unstable condition of connection of banding department fold of packaging film, avoided the great condition that takes place the friction and lead to the packaging film to damage of fold when transporting, comparatively showing improvement the encapsulation steadiness and the compactness of packaging film, and can maintain banding department, avoided the packaging film to appear playing the limit and stick up the limit and lead to taking place the problem of damage when transporting easily, and then avoided the packaging film to appear playing the limit and stick up the limit and to the harmful effects that the packing product caused, the improvement of relativity the encapsulation quality of packaging film and the practicality of this technology.)

1. A printing, drying and coating laser processing technology for a packaging box is characterized by comprising the following steps: step one, printing and drying: printing the packaging paper by using a printer, drying the printed ink by using a drying device, binding the packaging box by using a binding machine after drying, immediately putting the articles to be packaged into the packaging box, and packaging by using the binding machine again;

step two, conveying the packing boxes: placing the packaging box on a belt type conveying device, arranging a film covering device at the top of the belt type conveying device, requiring that two sides of the belt type conveying device are provided with adjustable positioning brackets and are in contact with the packaging box of the belt type conveying device, and then placing a packaging film on a feeding position of a film covering machine;

step three, positioning the packaging box: controlling the belt type conveying device to start to convey the packaging box, immediately controlling a positioning mechanism on the film laminating machine to adsorb and fix the packaging box conveyed to a proper position, requiring that the fixing mode of the positioning mechanism only affects the positions of two sides of the packaging box, and then controlling the film laminating machine to wrap the packaging film on the outer wall of the packaging box;

step four, primary film coating: arranging a spraying device beside a film laminating machine, adding pressure-sensitive adhesive into a material box of the spraying device, heating the material box, controlling the heating temperature to be 30-40 ℃ and maintaining the temperature, controlling the spraying device to spray the pressure-sensitive adhesive to one corner position with excessive length of the wrapped packaging film, wherein the spraying is required to be uniform as much as possible and not to be attached to the packaging box, the spraying thickness is controlled to be 120 micrometers at 100 degrees, then controlling a film laminating machine to tightly press and attach the other corner with excessive length of the wrapped packaging film to the sprayed corner, heating the attached position by using a hot air machine, and immediately drying the pressure-sensitive adhesive and bonding and connecting the corners;

step five, coating and finishing: the two sides of the packaging box are loosened by controlling the positioning mechanism, then the front side and the rear side of the packaging box are clamped tightly by using the clamping mechanism, the spraying device is controlled to spray the corners of the packaging films on the two sides of the packaging box, the thickness of the spraying is controlled to be 60-80 micrometers, then the film laminating machine is controlled to closely adhere the packaging films on the two sides of the packaging box and the glued packaging films, then the hot air machine is controlled to heat the adhering position and accelerate the gluing process, then the packaging box is placed on the belt type conveying device to be transported, and finally the rising edge and the burr edge of the packaging films are trimmed by using the laser engraving machine, so that the finished product of the printing, drying and film coating laser processing technology for the packaging box can be obtained.

2. The printing, drying and coating laser processing process for the packaging box according to claim 1, characterized in that: in the first step, the packaging paper sheet is required to be adsorbed and purified by using air purification equipment when being printed, and the drying device is used for drying the printing ink in a temperature sensing mode.

3. The printing, drying and coating laser processing process for the packaging box according to claim 1, characterized in that: and in the third step, dust removal equipment is required to be installed beside the film laminating machine, and suspended granular impurities cannot exist on the left side of the film laminating machine during film laminating operation.

4. The printing, drying and coating laser processing process for the packaging box according to claim 1, characterized in that: and in the fourth step, after the pressure-sensitive adhesive is dried and the corners are glued and connected, cutting the redundant film after the lamination by using a cutting device and collecting the film.

5. The printing, drying and coating laser processing process for the packaging box according to claim 4, characterized in that: the pressure-sensitive adhesive in the fourth step is water-based polyurethane pressure-sensitive adhesive, and the heating mode used in the material box of the spraying device is an electric heating plate.

6. The printing, drying and coating laser processing process for the packaging box according to claim 5, characterized in that: when the air heater in the fourth step and the fifth step is used, the heating temperature is controlled to be 32-36 ℃, wherein the heating time in the fourth step is controlled to be 3-5min, and the heating time in the fifth step is controlled to be 1-3 min.

7. The printing, drying and coating laser processing process for the packaging box according to claim 1, characterized in that: and in the fifth step, after the packaging box is trimmed by the laser engraving machine, an electric fan is needed to blow and dissipate heat of the trimming position.

Technical Field

The invention relates to the technical field of packaging box processing, in particular to a printing, drying and coating laser processing technology for a packaging box.

Background

Printing is a technology of transferring printing ink to the surfaces of paper, fabrics, leather and other materials through processes of plate making, ink applying, pressurizing and the like on originals such as characters, pictures, photos and the like, and copying original contents in batches, while the packaging box generally needs to print commodity information and logo of a merchant on the surface of the packaging box when in use, and finally, coating is carried out on the outer wall of the packaging box, the connection part of the existing packaging film is generally connected by hot melting, but the connection position after connection has large wrinkles and is unstable, and the packaging film is easy to damage when the subsequent packaging box is transported and rubbed.

Disclosure of Invention

The invention aims to provide a laser processing technology for printing, drying and coating of a packaging box, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a printing, drying and coating laser processing technology for a packaging box comprises the following steps: step one, printing and drying: printing the packaging paper by using a printer, drying the printed ink by using a drying device, binding the packaging box by using a binding machine after drying, immediately putting the articles to be packaged into the packaging box, and packaging by using the binding machine again;

step two, conveying the packing boxes: placing the packaging box on a belt type conveying device, arranging a film covering device at the top of the belt type conveying device, requiring that two sides of the belt type conveying device are provided with adjustable positioning brackets and are in contact with the packaging box of the belt type conveying device, and then placing a packaging film on a feeding position of a film covering machine;

step three, positioning the packaging box: controlling the belt type conveying device to start to convey the packaging box, immediately controlling a positioning mechanism on the film laminating machine to adsorb and fix the packaging box conveyed to a proper position, requiring that the fixing mode of the positioning mechanism only affects the positions of two sides of the packaging box, and then controlling the film laminating machine to wrap the packaging film on the outer wall of the packaging box;

step four, primary film coating: arranging a spraying device beside a film laminating machine, adding pressure-sensitive adhesive into a material box of the spraying device, heating the material box, controlling the heating temperature to be 30-40 ℃ and maintaining the temperature, controlling the spraying device to spray the pressure-sensitive adhesive to one corner position with excessive length of the wrapped packaging film, wherein the spraying is required to be uniform as much as possible and not to be attached to the packaging box, the spraying thickness is controlled to be 120 micrometers at 100 degrees, then controlling a film laminating machine to tightly press and attach the other corner with excessive length of the wrapped packaging film to the sprayed corner, heating the attached position by using a hot air machine, and immediately drying the pressure-sensitive adhesive and bonding and connecting the corners;

step five, coating and finishing: the two sides of the packaging box are loosened by controlling the positioning mechanism, then the front side and the rear side of the packaging box are clamped tightly by using the clamping mechanism, the spraying device is controlled to spray the corners of the packaging films on the two sides of the packaging box, the thickness of the spraying is controlled to be 60-80 micrometers, then the film laminating machine is controlled to closely adhere the packaging films on the two sides of the packaging box and the glued packaging films, then the hot air machine is controlled to heat the adhering position and accelerate the gluing process, then the packaging box is placed on the belt type conveying device to be transported, and finally the rising edge and the burr edge of the packaging films are trimmed by using the laser engraving machine, so that the finished product of the printing, drying and film coating laser processing technology for the packaging box can be obtained.

Preferably, in the first step, when the packaging paper sheet is printed, the odor of the ink heat dissipation needs to be absorbed and purified by using an air purification device, and the drying device dries the ink in a temperature sensing manner.

Preferably, dust removing equipment needs to be installed beside the film covering machine in the third step, and suspended granular impurities do not exist on the left side of the film covering machine during film covering operation, so that the phenomenon that air bubbles easily occur during film covering is reduced.

Preferably, after the pressure-sensitive adhesive is dried and the corners are glued and connected, the cutting device is needed to cut and collect the residual attached film, so that the situation that the residual film affects the subsequent processing is avoided.

Preferably, the pressure-sensitive adhesive in the fourth step is water-based polyurethane pressure-sensitive adhesive, and the heating mode used in the material box of the spraying device is an electric heating plate.

Preferably, the temperature of the hot air blower in the fourth step and the fifth step is controlled to be 32-36 ℃, wherein the heating time in the fourth step is controlled to be 3-5min, and the heating time in the fifth step is controlled to be 1-3 min.

Preferably, in the fifth step, after the packaging box is trimmed by the laser engraving machine, the trimming position of the packaging box needs to be blown by an electric fan for heat dissipation, so that the problem of scalding when workers take the packaging box is solved.

Advantageous effects

Compared with the prior art, the invention provides a laser processing technology for printing, drying and coating of a packaging box, which has the following beneficial effects:

1. this a printing stoving coating film laser beam machining technology for packing carton, the fixed mode that has adopted the pressure sensitive adhesive to be the junction, compare in the mode of using the heating alone and carry out the hot melt in the edge of packaging film and connect, can reduce the great and unstable condition of connecting of banding department fold of packaging film, avoided the great condition that leads to the fact packaging quality to reduce of packaging film banding department fold on the one hand, the great condition that takes place the friction and lead to the packaging film to damage when transporting of fold has still been avoided, on the other hand comparatively showing improvement the encapsulation steadiness and the compactness of packaging film, and then effectual improvement packaging quality, be convenient for use on the packing of high-end article.

2. This a printing stoving coating film laser beam machining technology for packing carton has used laser engraving machine to maintain the banding department of packaging film, has avoided the packaging film to appear playing the limit and has stuck up the limit and lead to taking place the problem of damage easily when transporting, has still avoided the packaging film to appear playing the limit and stick up the adverse effect that the limit caused to the packing product, the improvement of relativity the packaging film packaging quality and the practicality of this technology.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

The first embodiment is as follows: a printing, drying and coating laser processing technology for a packaging box comprises the following steps: step one, printing and drying: printing packaging paper sheets by using a printing machine, drying the printed ink by using a drying device, binding the packaging boxes by using a binding machine after drying is finished, immediately putting articles to be packaged into the packaging boxes and packaging by using the binding machine again, wherein in the first step, the smell of the ink heat dissipation needs to be adsorbed and purified by using air purification equipment when the packaging paper sheets are printed, and the drying device dries the ink by adopting a temperature sensing mode;

step two, conveying the packing boxes: placing the packaging box on a belt type conveying device, arranging a film covering device at the top of the belt type conveying device, requiring that two sides of the belt type conveying device are provided with adjustable positioning brackets and are in contact with the packaging box of the belt type conveying device, and then placing a packaging film on a feeding position of a film covering machine;

step three, positioning the packaging box: controlling the belt type conveying device to start to convey the packaging box, immediately controlling a positioning mechanism on the film laminating machine to adsorb and fix the packaging box conveyed to a proper position, requiring that the fixing mode of the positioning device only affects the positions of two sides of the packaging box, then controlling the film laminating machine to wrap the packaging film on the outer wall of the packaging box, and requiring that dust removal equipment is required to be installed beside the film laminating machine in the third step and that no suspended granular impurities exist on the left side of the film laminating machine during film laminating operation;

step four, primary film coating: arranging a spraying device beside a film laminating machine, adding pressure-sensitive adhesive into a material box of the spraying device, heating the material box, controlling the heating temperature to be 30 ℃ and maintaining the temperature, controlling the spraying device to spray the pressure-sensitive adhesive to one corner position with excessive length of a wrapped packaging film, wherein the spraying is required to be as uniform as possible and not to be attached to a packaging box, the spraying thickness is controlled to be 100 micrometers, then controlling a film laminating machine to press and attach the other corner with excessive length of the wrapped packaging film to the sprayed corner, heating the attached position by using a hot air machine, immediately drying the pressure-sensitive adhesive and bonding and connecting the corners, drying the pressure-sensitive adhesive in the fourth step, cutting and collecting the excessive film after bonding by using a cutting device after bonding and connecting the corners, wherein the pressure-sensitive adhesive in the fourth step is water-based polyurethane pressure-sensitive adhesive, the heating mode used in the material box of the spraying device is an electric heating plate;

step five, coating and finishing: controlling a positioning mechanism to loosen two sides of a packing box, clamping the front side and the rear side of the packing box by using a clamping mechanism, controlling a spraying device to spray to corners of packing films positioned at two sides of the packing box, controlling the spraying thickness to be 60 micrometers, controlling a film laminating machine to tightly adhere the packing films positioned at two sides of the packing box and the glued packing films, controlling a hot air blower to heat to an adhering position and accelerating the gluing process, then placing the packing box on a belt type conveying device to convey, finally finishing the starting edge and the blank edge of the packing films by using a laser engraving machine to obtain a finished product of the printing, drying and coating laser processing technology for the packing box, wherein the heating temperature of the hot air blower in the fourth step and the fifth step is controlled at 32 ℃, the heating time in the fourth step is controlled at 3min, and the heating time in the fifth step is controlled at 1min, and in the fifth step, after the packaging box is trimmed by the laser engraving machine, an electric fan is needed to blow and dissipate heat of the trimming position.

Example two: a printing, drying and coating laser processing technology for a packaging box comprises the following steps: step one, printing and drying: printing packaging paper sheets by using a printing machine, drying the printed ink by using a drying device, binding the packaging boxes by using a binding machine after drying is finished, immediately putting articles to be packaged into the packaging boxes and packaging by using the binding machine again, wherein in the first step, the smell of the ink heat dissipation needs to be adsorbed and purified by using air purification equipment when the packaging paper sheets are printed, and the drying device dries the ink by adopting a temperature sensing mode;

step two, conveying the packing boxes: placing the packaging box on a belt type conveying device, arranging a film covering device at the top of the belt type conveying device, requiring that two sides of the belt type conveying device are provided with adjustable positioning brackets and are in contact with the packaging box of the belt type conveying device, and then placing a packaging film on a feeding position of a film covering machine;

step three, positioning the packaging box: controlling the belt type conveying device to start to convey the packaging box, immediately controlling a positioning mechanism on the film laminating machine to adsorb and fix the packaging box conveyed to a proper position, requiring that the fixing mode of the positioning device only affects the positions of two sides of the packaging box, then controlling the film laminating machine to wrap the packaging film on the outer wall of the packaging box, and requiring that dust removal equipment is required to be installed beside the film laminating machine in the third step and that no suspended granular impurities exist on the left side of the film laminating machine during film laminating operation;

step four, primary film coating: arranging a spraying device beside a film laminating machine, adding pressure-sensitive adhesive into a material box of the spraying device, heating the material box, controlling the heating temperature to be 35 ℃ and maintaining the temperature, controlling the spraying device to spray the pressure-sensitive adhesive to one corner position with excessive length of a wrapped packaging film, wherein the spraying is required to be as uniform as possible and not to be attached to a packaging box, the spraying thickness is controlled to be 110 micrometers, then controlling a film laminating machine to press and attach the other corner with excessive length of the wrapped packaging film to the sprayed corner, heating the attached position by using a hot air machine, immediately drying the pressure-sensitive adhesive and bonding and connecting the corners, drying the pressure-sensitive adhesive in the fourth step, cutting and collecting the excessive film after bonding by using a cutting device after bonding and connecting the corners, wherein the pressure-sensitive adhesive in the fourth step is water-based polyurethane pressure-sensitive adhesive, the heating mode used in the material box of the spraying device is an electric heating plate;

step five, coating and finishing: controlling a positioning mechanism to loosen two sides of a packing box, clamping the front side and the rear side of the packing box by using a clamping mechanism, controlling a spraying device to spray to corners of packing films positioned at two sides of the packing box, controlling the spraying thickness to be 70 micrometers, controlling a film laminating machine to tightly adhere the packing films positioned at two sides of the packing box and the glued packing films, controlling a hot air blower to heat to an adhering position and accelerating the gluing process, then placing the packing box on a belt type conveying device to convey, finally finishing the starting edge and the blank edge of the packing films by using a laser engraving machine to obtain a finished product of the printing, drying and coating laser processing technology for the packing box, wherein the heating temperature of the hot air blower in the fourth step and the fifth step is controlled at 34 ℃, the heating time in the fourth step is controlled at 4min, and the heating time in the fifth step is controlled at 2min, and in the fifth step, after the packaging box is trimmed by the laser engraving machine, an electric fan is needed to blow and dissipate heat of the trimming position.

Example three: a printing, drying and coating laser processing technology for a packaging box comprises the following steps: step one, printing and drying: printing packaging paper sheets by using a printing machine, drying the printed ink by using a drying device, binding the packaging boxes by using a binding machine after drying is finished, immediately putting articles to be packaged into the packaging boxes and packaging by using the binding machine again, wherein in the first step, the smell of the ink heat dissipation needs to be adsorbed and purified by using air purification equipment when the packaging paper sheets are printed, and the drying device dries the ink by adopting a temperature sensing mode;

step two, conveying the packing boxes: placing the packaging box on a belt type conveying device, arranging a film covering device at the top of the belt type conveying device, requiring that two sides of the belt type conveying device are provided with adjustable positioning brackets and are in contact with the packaging box of the belt type conveying device, and then placing a packaging film on a feeding position of a film covering machine;

step three, positioning the packaging box: controlling the belt type conveying device to start to convey the packaging box, immediately controlling a positioning mechanism on the film laminating machine to adsorb and fix the packaging box conveyed to a proper position, requiring that the fixing mode of the positioning device only affects the positions of two sides of the packaging box, then controlling the film laminating machine to wrap the packaging film on the outer wall of the packaging box, and requiring that dust removal equipment is required to be installed beside the film laminating machine in the third step and that no suspended granular impurities exist on the left side of the film laminating machine during film laminating operation;

step four, primary film coating: arranging a spraying device beside a film laminating machine, adding pressure-sensitive adhesive into a material box of the spraying device, heating the material box, controlling the heating temperature to be 40 ℃ and maintaining the temperature, controlling the spraying device to spray the pressure-sensitive adhesive to one corner position with excessive length of a wrapped packaging film, wherein the spraying is required to be as uniform as possible and not to be attached to a packaging box, the spraying thickness is controlled to be 120 micrometers, then controlling a film laminating machine to press and attach the other corner with excessive length of the wrapped packaging film to the sprayed corner, heating the attached position by using a hot air machine, immediately drying the pressure-sensitive adhesive and bonding and connecting the corners, drying the pressure-sensitive adhesive in the fourth step, cutting and collecting the excessive film after bonding by using a cutting device after bonding and connecting the corners, wherein the pressure-sensitive adhesive in the fourth step is water-based polyurethane pressure-sensitive adhesive, the heating mode used in the material box of the spraying device is an electric heating plate;

step five, coating and finishing: controlling a positioning mechanism to loosen two sides of a packing box, clamping the front side and the rear side of the packing box by using a clamping mechanism, controlling a spraying device to spray to corners of packing films positioned at two sides of the packing box, controlling the spraying thickness to be 80 micrometers, controlling a film laminating machine to tightly adhere the packing films positioned at two sides of the packing box and the glued packing films, controlling a hot air blower to heat to an adhering position and accelerating the gluing process, then placing the packing box on a belt type conveying device to convey, finally finishing the starting edge and the blank edge of the packing films by using a laser engraving machine to obtain a finished product of the printing, drying and coating laser processing technology for the packing box, wherein the heating temperature of the hot air blower in the fourth step and the fifth step is controlled at 36 ℃, the heating time in the fourth step is controlled at 5min, and the heating time in the fifth step is controlled at 3min, and in the fifth step, after the packaging box is trimmed by the laser engraving machine, an electric fan is needed to blow and dissipate heat of the trimming position.

It can be seen from this that: the connection parts of the existing packaging films are generally connected by hot melting, but the connection positions of the packaging films are large in wrinkles and unstable in connection after connection, and when friction occurs in subsequent packaging box transportation, the packaging films are easy to damage, the printing, drying and coating laser processing technology for the packaging boxes adopts a fixing mode taking pressure sensitive adhesive as the connection parts, and compared with a mode of simply heating to carry out hot melting connection on the corners of the packaging films, the situations that the wrinkles of the edge sealing parts of the packaging films are large and unstable in connection can be reduced, on one hand, the situation that the packaging quality is reduced due to the fact that the wrinkles of the edge sealing parts of the packaging films are large is avoided, on the other hand, the situation that the packaging films are damaged due to the fact that the wrinkles are large and friction occurs in transportation is avoided, on the other hand, the packaging stability and the tightness of the packaging films are remarkably improved, the packaging quality is effectively improved, and the application is convenient for packaging high-end articles, secondly, having used laser engraving machine to maintain the banding department of packaging film, having avoided the packaging film to appear playing the limit and stick up the limit and lead to taking place the problem of damaging when transporting easily, still avoided the packaging film to appear playing the limit and stick up the adverse effect that the limit caused to the packing product, the improvement of relativity the packaging film's packaging quality and the practicality of this technology.