CN116118342B

CN116118342B - Laser pattern positioning, imprinting and transferring equipment

Info

Publication number: CN116118342B
Application number: CN202310422619.0A
Authority: CN
Inventors: 廖香权; 彭義清; 陈忠; 彭一洲; 牛斌; 陈教飞
Original assignee: Jiangsu Xingguang Packaging Science & Technology Co ltd
Current assignee: Jiangsu Xingguang Packaging Science & Technology Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-06-13
Anticipated expiration: 2043-04-20
Also published as: CN116118342A

Abstract

The invention relates to the technical field of imprinting transfer, in particular to laser pattern positioning imprinting transfer equipment, which comprises: a substrate transfer device, a medium printing device, an imprint transfer device and an ultraviolet curing device which are sequentially arranged along a conveying path of the substrate transfer device; the substrate conveying device comprises an unreeling roller, a shaping assembly and a reeling roller, the shaping assembly is arranged below the imprinting transfer device, and comprises a conveying belt which is synchronously conveyed with the substrate and a plurality of conveying rollers which are used for circularly conveying the conveying belt; wherein the conveyor belt forms a conveying area attached to the substrate at the embossing area of the embossing transfer device. According to the invention, the substrate is conveyed through the conveying area on the conveying belt, so that the conveying area of the substrate is increased, the substrate is smoothed, the flatness of the substrate during imprinting can be ensured, the imprinting quality of the substrate is improved, and the surface quality of patterns is further improved.

Description

Laser pattern positioning, imprinting and transferring equipment

Technical Field

The invention relates to the technical field of imprinting transfer, in particular to laser pattern positioning imprinting transfer equipment.

Background

The laser pattern transfer is to transfer and imprint the laser pattern or characters on the film belt onto the surface of the thermoprinted material by heating and pressurizing.

The existing laser pattern imprinting transfer equipment comprises a medium printing device for printing a medium on a substrate, an imprinting transfer device for imprinting a laser pattern on the substrate and a winding roller; the embossing transfer device comprises a pressure-bearing roller, a pressure-bearing roller and an ultraviolet curing device, and the substrate printed with the medium is subjected to embossing transfer of laser patterns under the combined action of the pressure-bearing roller, the pressure-bearing roller and the ultraviolet curing device.

However, when the pressure bearing roller and the pressure applying roller are used for embossing the substrate printed with the medium, the pressure bearing roller and the pressure applying roller form a line belt on the embossing position of the substrate, the substrates before and after embossing are conveyed and fed from one side by a single conveying roller, the flatness of the substrate at the embossing position is difficult to ensure in the embossing and conveying processes of the substrates, the dislocation offset phenomenon of the line belt is easy to cause, the embossed pattern is shaded, and the surface quality of the pattern is lower.

In view of the above problems, the present inventors have actively studied and innovated based on the years of rich practical experience and expertise in such product engineering applications, so as to create a laser pattern positioning imprint transfer apparatus, which is more practical.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: a laser pattern positioning imprint transfer device is provided to solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a laser pattern positioning imprint transfer apparatus comprising: a substrate transfer device, a medium printing device, an imprint transfer device and an ultraviolet curing device which are sequentially arranged along a conveying path of the substrate transfer device;

the substrate conveying device comprises an unreeling roller, a shaping assembly and a reeling roller, wherein the shaping assembly is arranged below the imprinting transfer device and comprises a conveying belt which is synchronously conveyed with the substrate and a plurality of conveying rollers which are used for driving the conveying belt to circularly drive;

wherein the conveyor belt forms a conveying area attached to the substrate at the embossing area of the embossing transfer device.

Further, the length of the conveying area along the conveying direction is longer than the length of the imprinting area of the imprinting transfer device on the substrate along the conveying direction;

and the width of the transfer area is greater than the width of the substrate.

Further, the embossing transfer device comprises a pressing roller and a pressure bearing assembly;

the pressing roller is arranged above the laminating body formed by the conveyor belt and the base material, and comprises at least one master plate engraved with laser patterns and shading layers which are arranged in a staggered mode with the master plate, and the master plate protrudes out of the shading layers along the radial direction;

the pressure-bearing assembly is arranged below the laminating body formed by the conveying belt and the base material and comprises a conveying pressure-bearing plate and a driving assembly for driving the conveying pressure-bearing plate to reciprocate in the conveying direction;

when the pressing roller rotates to the beginning end of the master plate and contacts with the base material, the conveying bearing plate synchronously conveys along with the conveying belt to squeeze the attaching body until the master plate is separated from the base material, at the moment, the conveying bearing plate moves to the limit position, and when the pressing roller continues to rotate, the shading layer is not contacted with the base material, and the conveying bearing plate returns to the initial position in the direction opposite to the conveying direction.

Further, the distance between the light shielding layer and the substrate in the vertical direction is smaller than the distance between the master plate and the light shielding layer in the radial direction;

and a gap exists between the supporting surface of the conveying pressure-bearing plate and the lower surface of the conveying belt.

Further, the device also comprises a positioning assembly, wherein the positioning assembly comprises a guide belt arranged at the edge position of the conveying belt and an indication disc arranged at the end part of the pressing roller;

the guide belt and the indicating disc are arranged on the same side of the conveyor belt, the guide belt is synchronously conveyed along with the conveyor belt, and the indicating disc synchronously rotates along with the pressing roller;

the guide belt is uniformly provided with a plurality of positioning grooves along the circulating conveying path, the indicating disc is provided with pointers, and the pointers are radially arranged and form included angles with the end face of the stamping starting end of the master plate;

and when the distance sensor detects the pointer, the pressing roller and the conveying bearing plate are synchronously conveyed with the base material and imprint the base material.

Further, the pressing roller is of a transparent structure, the master plate is a transparent master plate, and the shading layer is an opaque film;

the ultraviolet curing device is arranged in the pressing roller and cures the pressing area of the master plate.

Further, the ultraviolet curing device is arranged at the tail end of the conveying area of the conveying belt, and a pressure sensor is arranged on the conveying bearing plate;

when the master plate performs pressure combination on the base material, the conveying bearing plate is extruded by the master plate, the pressure sensor works, and the ultraviolet curing device does not work at the moment;

and when the light shielding layer performs air compression on the base material, the pressure sensor does not work, and the ultraviolet curing device starts to work so as to cure the base material after imprinting.

Further, a cleaning roller is arranged between the ultraviolet curing device and the winding roller.

Further, the medium printing device comprises a medium loading box for loading the medium, at least one conveying roller arranged on the medium loading box, and a printing roller for printing the medium on a substrate;

and the printing roller is provided with at least one printing plate.

Further, the driving assembly comprises a sliding module and a driving piece;

the sliding module is fixed below the conveying bearing plate and comprises a guide rail horizontally arranged along the conveying direction and a sliding block group arranged on the guide rail;

when the pressing roller enters a pressing state, the master plate imprints the base material, and the driving piece enables the conveying bearing plate and the base material to be synchronously conveyed;

when the pressure roller enters an air pressure state, the driving piece drives the conveying bearing plate to reversely move, and the moving speed is larger than the conveying speed.

The beneficial effects of the invention are as follows: according to the invention, the substrate is conveyed through the conveying area on the conveying belt, so that the conveying area of the substrate is increased, the substrate is smoothed, the flatness of the substrate during imprinting can be ensured, the imprinting quality of the substrate is improved, and the surface quality of patterns is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic diagram of a laser pattern positioning, imprinting and transferring device according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a laser pattern positioning imprint transfer apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a structure of a pressing roller rolling on a substrate according to an embodiment of the present invention;

FIG. 4 is a schematic view of a structure of a conveying bearing plate at an initial position according to an embodiment of the present invention;

FIG. 5 is a schematic view of a structure of a conveying bearing plate at a limit position according to an embodiment of the present invention;

FIG. 6 is a schematic illustration of the embossing of the pressure roller and the delivery bearing plate at point k in an embodiment of the present invention;

FIG. 7 is a schematic view of a positioning assembly according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a schematic diagram showing the angles between the pointer and the initial end surface of the master in an embodiment of the present invention;

FIG. 10 is a schematic view showing the pointer rotated to enter the positioning slot and to be vertical in an embodiment of the present invention;

FIG. 11 is a schematic view showing a structure in which an ultraviolet curing apparatus is installed in a pressing roller according to an embodiment of the present invention;

FIG. 12 is a schematic view showing a structure in which an ultraviolet curing apparatus is installed at the end of a transfer area according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a medium printing apparatus according to an embodiment of the present invention;

figure 14 is a schematic view of a pressure bearing assembly according to an embodiment of the present invention.

Reference numerals: 10. a substrate transfer device; 11. a shaping assembly; 11a, a conveyor belt; 11b, conveying rollers; H. a transfer area; 20. a medium printing device; 21. a vehicle loading cassette; 22. a conveying roller; 23. a printing roller; 24. a print receiving roller; 30. an imprint transfer device; 31. a pressure roller; 311. a master; 312. a light shielding layer; 32. a pressure bearing assembly; 321. conveying a bearing plate; 322. a drive assembly; 3221. a sliding module; 3222. a driving member; 40. an ultraviolet curing device; 50. a positioning assembly; 51. a guide belt; 511. a positioning groove; 52. an indication plate; 521. a pointer; 53. a distance sensor; 60. and (5) cleaning the roller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The invention provides a laser pattern positioning imprint transfer device, as shown in fig. 1 to 14, comprising: a substrate transfer device 10, a medium printing device 20, an imprint transfer device 30, and an ultraviolet curing device 40, which are sequentially disposed along a conveyance path of the substrate transfer device 10; under the transmission action of the substrate conveying device 10, the substrate is printed on the surface of the substrate through the medium by the medium printing device 20, then the laser pattern is stamped on the medium by the stamping transfer device 30, and finally the stamped laser pattern is cured by the ultraviolet curing device 40.

In order to ensure the surface flatness of the substrate during the substrate transfer process, the substrate transfer device 10 includes an unreeling roller, a shaping assembly 11 and a wind-up roller, and the shaping assembly 11 is disposed below the imprint transfer device 30; specifically, the shaping assembly 11 includes a conveyor belt 11a that conveys the substrate in synchronization with the conveyor belt 11a, and a plurality of conveying rollers 11b for driving the conveyor belt 11a to circulate, the plurality of conveying rollers 11b forming a plurality of support points on the conveyor belt 11a so that the conveyor belt 11a forms a conveying area H that conforms to the substrate at the nip area of the nip transfer apparatus 30.

In the preferred embodiment of the present invention, the substrate is unwound by the unwinding roller, the medium printing device 20 prints the medium on the surface of the substrate, the substrate printed with the medium enters the shaping assembly 11 by the guiding roller, the two conveying rollers 11b above the conveying belt 11a convey the substrate, the outer surface of the conveying belt 11a is attached to the surface of the substrate on which the medium is not printed, the attached conveying belt 11a and the substrate are conveyed at the same speed, the attached substrate and the conveying belt 11a are embossed in the conveying area H by the embossing transfer device 30, thereby forming a laser pattern on the medium on the surface of the substrate, and finally the laser pattern is cured by the ultraviolet curing device 40. According to the invention, the substrate is conveyed through the conveying area H on the conveying belt 11a, so that the conveying area of the substrate is increased, the substrate is smoothed, the flatness of the substrate during imprinting can be ensured, the imprinting quality of the substrate is improved, and the surface quality of patterns is further improved.

In the process of transferring, the transfer area H where the substrate is attached to the transfer belt 11a is embossed by the embossing transfer device 30, so as to transfer the pattern, and in the process of embossing, in order to ensure the embossing quality of the edge of the pattern, as shown in fig. 3, the length of the transfer area H along the transfer direction is greater than the length of the transfer area H where the embossing transfer device 30 is attached to the substrate along the transfer direction, and the width of the transfer area H is greater than the width of the substrate, so as to play a role in stabilizing the load and avoid the edge of the substrate from being stressed unevenly.

In the preferred embodiment of the present invention, the embossing transfer device 30 includes a pressing roller 31 and a pressure-bearing member 32, and the pressing roller 31 is disposed above the bonded body formed by the conveyor belt 11a and the substrate, the pressure-bearing member 32 is disposed below the bonded body formed by the conveyor belt 11a and the substrate, and in order to ensure a distance in a vertical direction of an enclosed space enclosed by the conveyor belt 11a, the pressure-bearing member 32 is installed, two transition rollers are disposed below a conveying area H of the conveyor belt 11a, and the two transition rollers can support the bottom of the conveyor belt 11a that is circularly conveyed, so as to form a trapezoid installation space.

As shown in fig. 3 to 5, the pressing roller 31 in the present invention includes at least one master 311 engraved with a laser pattern and a light shielding layer 312 disposed in a staggered manner with respect to the master 311, and the master 311 protrudes from the light shielding layer 312 in a radial direction, and presses the substrate through the master 311 to form a pressing region on the substrate, and the light shielding layer 312 does not contact the substrate during rotation, so as to form an air pressing region on the substrate, and rolls the substrate through the master 311 and the light shielding layer 312 on the pressing roller 31 to form alternating pressing regions and air pressing regions on the substrate, wherein the lengths of the pressing regions and the air pressing regions are determined by the arc lengths of the master 311 and the light shielding layer 312, and by adjusting the arc lengths of the master 311 and the light shielding layer 312, a dedicated laser pattern can be printed on a specified position of the substrate, thereby realizing the pressing transfer of a positioning special pattern, and improving the practicality of the pressing roller 31.

In the process of imprinting the substrate by the master plate 311, a line belt is formed on the substrate by the arc surface and the arc surface of the master plate 311, and in order to increase the width of the imprint line belt, preferably, the pressure bearing assembly 32 comprises a conveying bearing plate 321 and a driving assembly 322 for driving the conveying bearing plate 321 to reciprocate in the conveying direction, the conveying belt 11a is elastically deformed under the extrusion action of the pressing roller 31 and the conveying bearing plate 321 through the structural design of circular flattening, and when the master plate 311 imprints the medium on the substrate, the master plate 311 forms the imprint line belt with a certain width on the substrate, so that the contact area of the master plate 311 and the substrate is increased, and the imprinting quality of patterns is ensured.

The pattern embossing is carried out in the present invention by synchronously transferring the transfer bearing plate 321 along with the transfer belt 11a when the pressing roller 31 rotates until the start end of the master 311 contacts with the substrate, and extruding the bonded body until the master 311 rotates counterclockwise to be separated from the substrate, at this time, the transfer bearing plate 321 moves to the limit position, and when the pressing roller 31 continues to rotate counterclockwise, the light shielding layer 312 does not contact with the substrate, and the transfer bearing plate 321 returns to the initial position rapidly in the direction opposite to the transfer direction, so as to achieve continuous pattern embossing on the substrate. It should be noted that, when the conveying bearing plate 321 synchronously conveys along with the conveying belt, the transmission speed of the conveying bearing plate 321 is the same as the conveying speed of the substrate, and when the conveying bearing plate returns to the initial position from the limit position, the transmission speed of the conveying bearing plate 321 is greater than the conveying speed of the substrate, so as to ensure that the master plate 311 and the conveying bearing plate 321 realize continuous imprinting, and improve the imprinting efficiency.

As shown in fig. 6, as the above preferred scheme, the distance between the light shielding layer 312 and the substrate in the vertical direction is smaller than the distance between the master 311 protruding from the light shielding layer 312 in the radial direction, and a gap exists between the supporting surface of the conveying pressure-bearing plate 321 and the lower surface of the conveying belt 11a, when the master 311 imprints the substrate on the conveying belt 11a, the part of the master 311 protruding from the light shielding layer 312 makes the attaching body form a concave point k and wrap on the cambered surface of the master 311, and the lower surface of the conveying belt 11a located at the concave point k is collided on the conveying pressure-bearing plate 321, so that the width of the imprint line belt is further increased, and the precision of pattern imprinting is ensured.

In order to ensure the accuracy of positioning and imprinting of the master plate 311 on the printing material on the substrate, as shown in fig. 7-9, the imprinting transfer device 30 further comprises a positioning assembly 50, wherein the positioning assembly 50 comprises a guide belt 51 arranged at the edge position of the conveying belt 11a and an indication disc 52 arranged at the end part of the pressing roller 31; the guide belt 51 and the indicator plate 52 are disposed on the same side of the conveyor belt 11a, and the guide belt 51 is conveyed in synchronization with the conveyor belt 11a, and the indicator plate 52 is rotated in synchronization with the pressing roller 31; the guiding belt 51 is uniformly provided with a plurality of positioning grooves 511 along the circulating conveying path, the indicating disc 52 is provided with a pointer 521, and the pointer 521 is radially arranged and forms an included angle with the end surface of the initial end of the master plate 311; and a distance sensor 53 is provided at the end position of the positioning groove 511 in the transmission direction; as shown in fig. 10, when the pointer 521 is rotated to be inserted into the positioning groove 511 and perpendicular to the transfer surface of the substrate, the pressing roller 31 stops rotating and the master 311 is not in contact with the substrate, and when the distance sensor 53 detects the pointer 521, the pressing roller 31 and the transfer bearing plate 321 are synchronously transferred with the substrate and imprint the substrate.

Preferably, the pressing roller 31 and the master 311 are both transparent structures, and the light shielding layer 312 is an opaque film; as shown in fig. 11, the ultraviolet curing device 40 is disposed inside the pressing roller 31 to cure the pressing area of the master plate 311, and the transparent structure is disposed to facilitate the ultraviolet to pass through instantaneously, so that the medium is cured instantaneously, and the embossing quality of the laser pattern is ensured.

The distance from the imprinting position of the master 311 to the curing position of the ultraviolet curing device 40 in the present invention is the length of the imprinting pattern of the master 311, as shown in fig. 12, the ultraviolet curing device 40 is disposed at the end of the conveying area H of the conveyor belt 11a, and a pressure sensor (not shown in the figure) is disposed on the conveying pressure-bearing plate 321; when the master plate 311 performs pressure combination on the base material, the conveying bearing plate 321 is extruded by the master plate 311, the pressure sensor works, signals are transmitted to the controller, and the ultraviolet curing device 40 is controlled by the controller to stop working; when the light shielding layer 312 is used for air-compressing the substrate, the pressure sensor is not operated, the ultraviolet curing device 40 starts to operate, the printed substrate can be cured in real time, the effect of the medium imaging layer is ensured, it is to be noted that, in order to better realize the curing of the printing stock, the ultraviolet curing device 40 is provided with an automatic closing device, and when the pressing roller stops rotating, the ultraviolet curing device can be automatically closed after the curing of the final printed pattern is completed.

When the multiple master plates 311 are stamped, and when the lengths of stamping patterns of the master plates 311 are different, the combination of pressure combination and air pressure is carried out to form a period, the lengths of the base material breadth in one period are equal, the pressure combination is set to be the starting position of the period, when the next period begins to stamp, the ultraviolet curing device 40 starts working, the stamped laser patterns in the period are cured, the starting and stopping times and the starting time of the ultraviolet curing device 40 in the period are determined by signals transmitted to the controller by the pressure sensor in the stamping in the period, namely the working times and the working time of the pressure sensor in the period, and the signals are reflected on the ultraviolet curing device 40 through the controller, so that the curing of the laser patterns of the multiple master plates 311 in the period can be accurately controlled.

In the preferred embodiment of the invention, a cleaning roller 60 is arranged between the ultraviolet curing device 40 and the wind-up roller, the cleaning roller 60 is provided with a cleaning tank in a matching way, the cleaning agent in the cleaning tank is dissolved with the medium, the medium with the laser pattern printed thereon is cured, the medium except the laser pattern of the master plate 311 can be prevented from being cured, and the excessive medium can be discharged after being cleaned by the cleaning roller 60, thereby being beneficial to improving the printing precision, eliminating the ghost phenomenon of four sides of the transferred pattern and improving the quality of the pattern transferred by printing.

As shown in fig. 13, the medium printing apparatus 20 includes a medium loading cassette 21 for loading a medium, and at least one transfer roller 22 provided above the medium loading cassette 21, and a printing roller 23 and a printing roller 24 for printing the medium on a substrate; and the printing roller 23 is provided with at least one printing plate, while the printing roller 23 and the printing receiving roller 24 are driven synchronously by a servo motor.

As preferable to the above embodiment, as shown in fig. 14, the driving assembly 322 in the present invention includes a sliding module 3221 and a driving member 3222; the sliding module 3221 is fixed below the conveying bearing plate 321 and comprises a guide rail horizontally arranged along the conveying direction and a sliding block group arranged on the guide rail; when the pressing roller 31 enters a pressing state, the master 311 presses the substrate, and the driving member 3222 is used for synchronously conveying the conveying bearing plate 321 and the substrate; while the driving member 3222 drives the conveying bearing plate 321 to move reversely when the pressing roller 31 enters the air-pressing state, and the moving speed is greater than the conveying speed, preferably, the driving member 3222 adopts a combination of a servo motor and a screw.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A laser pattern positioning imprint transfer apparatus, comprising: a substrate transfer device (10), and a medium printing device (20), an imprint transfer device (30) and an ultraviolet curing device (40) which are sequentially arranged along a conveying path of the substrate transfer device (10);

the substrate conveying device (10) comprises an unreeling roller, a shaping assembly (11) and a reeling roller, the shaping assembly (11) is arranged below the imprinting transfer device (30), and the shaping assembly (11) comprises a conveying belt (11 a) which is synchronously conveyed with the substrate and a plurality of conveying rollers (11 b) which are used for driving the conveying belt (11 a) to circularly drive;

wherein the conveyor belt (11 a) forms a conveying area (H) attached to the substrate at the embossing area of the embossing transfer device (30);

the embossing transfer device (30) comprises a pressing roller (31) and a pressure bearing assembly (32);

the pressing roller (31) is arranged above a laminating body formed by the conveyor belt (11 a) and the base material, and comprises at least one master plate (311) engraved with laser patterns and shading layers (312) which are arranged in a staggered manner with the master plate (311), and the master plate (311) protrudes out of the shading layers (312) along the radial direction;

the pressure-bearing assembly (32) is arranged below the laminating body formed by the conveyor belt (11 a) and the base material, and comprises a conveying pressure-bearing plate (321) and a driving assembly (322) for driving the conveying pressure-bearing plate (321) to reciprocate in the conveying direction;

when the pressing roller (31) rotates to the initial end of the master plate (311) and contacts with the base material, the conveying bearing plate (321) synchronously conveys along with the conveying belt (11 a) to squeeze the attaching body until the master plate (311) is separated from the base material, at the moment, the conveying bearing plate (321) moves to the limit position, and when the pressing roller (31) continues to rotate, the shading layer (312) is not contacted with the base material, and the conveying bearing plate (321) returns to the initial position in the direction opposite to the conveying direction.

2. The laser pattern positioning imprint transfer apparatus of claim 1, wherein a length of the transfer region (H) in a transfer direction is greater than a length of the imprint transfer device (30) to the substrate imprint region in the transfer direction;

and the width of the transfer area (H) is greater than the width of the substrate.

3. The laser pattern positioning imprint transfer apparatus of claim 1, wherein a distance between the light shielding layer (312) and the substrate in a vertical direction is smaller than a distance by which the master (311) protrudes from the light shielding layer (312) in a radial direction;

and a gap exists between the supporting surface of the conveying bearing plate (321) and the lower surface of the conveying belt (11 a).

4. A laser pattern positioning imprint transfer apparatus according to claim 1 or 3, characterized by further comprising a positioning assembly (50), the positioning assembly (50) comprising a guide belt (51) provided at an edge position of the conveyor belt (11 a), and an indicator disc (52) provided at an end of the pressing roller (31);

the guide belt (51) and the indicating disc (52) are arranged on the same side of the conveyor belt (11 a), the guide belt (51) is synchronously conveyed along with the conveyor belt (11 a), and the indicating disc (52) synchronously rotates along with the pressing roller (31);

the guide belt (51) is uniformly provided with a plurality of positioning grooves (511) along a circulating conveying path, the indicating disc (52) is provided with pointers (521), and the pointers (521) are arranged along the radial direction and form included angles with the end face of the stamping starting end of the master plate (311);

wherein, a distance sensor (53) is arranged at the end position of the positioning groove (511) along the transmission direction, when the pointer (521) rotates to be inserted into the positioning groove (511) and is vertical to the transmission surface of the base material, the pressing roller (31) stops rotating, the master plate (311) is not contacted with the base material, and when the pointer (521) is detected by the distance sensor (53), the pressing roller (31) and the transmission bearing plate (321) are synchronously transmitted with the base material, and the base material is stamped.

5. The laser pattern positioning imprint transfer apparatus of claim 1, wherein the pressing roller (31) is of a transparent structure, the master (311) is a transparent master (311), and the light shielding layer (312) is an opaque film;

the ultraviolet curing device (40) is arranged in the pressing roller (31) and cures the pressing area of the master plate (311).

6. A laser pattern positioning imprint transfer apparatus according to claim 3, characterized in that the ultraviolet curing device (40) is provided at a conveying region (H) end of the conveying belt (11 a) and a pressure sensor is provided on the conveying bearing plate (321);

when the master plate (311) performs pressure combination on the base material, the conveying bearing plate (321) is extruded by the master plate (311), the pressure sensor works, and the ultraviolet curing device (40) does not work at the moment;

and when the light shielding layer (312) is used for air-compressing the substrate, the pressure sensor is not operated, and the ultraviolet curing device (40) starts to operate so as to cure the substrate after imprinting.

7. The laser pattern positioning imprint transfer apparatus of claim 1, wherein a cleaning roller (60) is provided between the ultraviolet curing device (40) and the wind-up roller.

8. The laser pattern positioning imprint transfer apparatus of claim 1 wherein the media printing device (20) comprises a media loading cassette (21) for loading media, and at least one transport roller (22) disposed above the media loading cassette (21), and a printing roller (23) and a printing roller (24) for printing media on a substrate;

and the printing roller (23) is provided with at least one printing plate.

9. The laser pattern positioning imprint transfer apparatus of claim 1 wherein the drive assembly (322) comprises a slide module (3221) and a drive (3222);

the sliding module (3221) is fixed below the conveying bearing plate (321) and comprises a guide rail horizontally arranged along the conveying direction and a sliding block group arranged on the guide rail;

when the pressing roller (31) enters a pressing state, the master plate (311) presses the base material, and the driving piece (3222) enables the conveying bearing plate (321) to synchronously convey with the base material;

when the pressure roller (31) enters an air pressure state, the driving piece (3222) drives the conveying bearing plate (321) to reversely move, and the moving speed is larger than the conveying speed.