Laser film rapid printing device and printing method thereof

Abstract

The present invention discloses a laser film rapid printing device and a printing method thereof, and relates to the field related to laser film printing, including a housing, a transfer film roller, a uniform heating device, a laser film roller, a transfer roller group, a rapid cooling device, a toggle mechanism and a breathable net. The present invention is provided with a uniform heating device at the right end of the housing, the uniform heating device is equipped with an independent heating roller, cooperates with a motor to drive the internal transmission component to move, realizes left and right reciprocating movement, and moves up and down during the movement, uniformly heats the passing transfer film, and avoids damage caused by excessive heating of the film due to continuous contact; a rapid cooling device is installed at the lower left end of the housing, the rapid cooling device is equipped with an independent motor, and can drive the internal cooling plate to reciprocate and rapidly cool the laser film after transfer, and the cooling rate is fast, and a toggle mechanism that moves synchronously with the rapid cooling device is provided, and the toggle mechanism can increase the air flow rate in the housing to realize rapid heat conduction.

Description

Technical Field

[0001] The present invention relates to the field related to laser film printing, and in particular to a laser film rapid printing device and a printing method thereof. Background Art

[0002] The process of transfer printing using transfer film is to transfer the pattern or text on the transfer film to the surface of the laser film by heat pressing or other means. During the transfer process, the transfer film is heated and pressurized to peel off the pattern or effect layer of the film and attach it to the laser film, thereby realizing the transfer printing of the pattern.

[0003] Chinese patent application number: CN201920229490.0 belongs to the technical field of printing equipment, and proposes a laser film unwinding device for cold transfer, including a roller frame, on which a plurality of mobile frames for simultaneously providing a plurality of laser films to be combined with a base film are provided, and the mobile frame is provided with an unwinding shaft for unwinding the laser film, and the unwinding shaft is connected with a magnetic powder clutch. A cold transfer device for printing is also proposed, including the laser film unwinding device for cold transfer, a cold transfer roller, a base film roller, and a film combination roller group, a glue pool is provided below the cold transfer roller, the base film roller, the cold transfer roller, and the film combination roller group are arranged in sequence and are respectively used to output the base film, transfer glue to the base film, and combine the laser film with the base film, and the laser film roller is used to transport the laser film to the film combination roller group for film combination, which solves the problem of serious laser film waste in the laser pattern cold transfer process in the prior art.

[0004] The above patents and prior art have the following problems in actual use: when the transfer film is heated, it is continuously heated, which may easily lead to overheating and damage to the transfer film; and when cooling, it is mostly long-stroke cooling, which consumes more energy and affects the cooling efficiency. Summary of the invention

[0005] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a laser film rapid printing device and a printing method thereof.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a laser film fast printing device and a printing method thereof, comprising a shell, a transfer film roller is arranged at the upper left end of the shell, a first guide roller for guiding is installed at the lower right side of the transfer film roller, a uniform heating device is installed at the upper right end of the shell, the uniform heating device heats the passing transfer film, a second guide roller is arranged on the right side of the uniform heating device, a laser film roller is installed at the lower right end of the shell, a transfer roller group for transferring the laser film and the transfer film is arranged at the lower middle part of the shell, a rapid cooling device is installed at the lower left end of the shell, the rapid cooling device cools the passing laser film and the transfer film, the front end of the rapid cooling device is connected to a toggle mechanism, the toggle mechanism to toggle the air inside the shell, a breathable net is installed at the rear end of the back of the shell, an opening is opened on the left side of the shell for the output of the transfer film and the laser film, a first motor connected to the uniform heating device is arranged at the front and rear of the right end of the shell, and a second motor connected to the rapid cooling device is installed at the left end of the back of the shell.

[0007] Preferably, the uniform heating device includes two sets of opposite fixed blocks arranged on the inner side of the outer shell, a rotating shaft arranged inside the fixed block and connected to the output shaft of the first motor on the outer side, a rotating rod connected to the other end of the rotating shaft, a pushing rod hinged to the other end of the rotating rod, a slide hinged to the other end of the pushing rod on the inner side, a guide member movably embedded in the slide and connected to the outer shell on the outer side, a guide rail arranged at the front end of the inner side of the slide, a sliding block movably embedded in the guide rail, a guide groove opened in the guide member, a support connected to the front end of the sliding block, and a heating roller arranged on the top of the support.

[0008] Preferably, a strip groove is provided inside the slide plate corresponding to the middle of the guide rail, and a convex column is fixed on the outer side of the sliding block, and the convex column passes through the strip groove.

[0009] Preferably, the back side of the convex column is movably embedded in the guide groove, and one end of the middle part of the guide groove is concave and the other end is convex.

[0010] Preferably, the rapid cooling device includes a transmission box arranged at the rear end of the shell and connected to the second motor, a support member arranged on the right side of the transmission box, a rotating member arranged at the right rear end of the support member, a push rod at the other end of the hinged rotating member, a slider connected to the front end of the push rod and matching the rear end of the support member, a threaded rod connected to the front end of the slider, a rotating wheel arranged at the front end of the support member and threadedly connected to the threaded rod in the middle, a gear arranged at the front end of the outer side of the rotating wheel, a support rod connected to the front end of the threaded rod and passing through the rotating wheel, the front end of the support rod is connected to a toggle mechanism, a rack meshing with the bottom of the gear, a cooling plate connected to the bottom of the rack, and a through opening opened in the middle of the cooling plate for the transfer film and the laser film to pass through.

[0011] Preferably, the front end and the back end of the top of the cooling plate are both convex, and the protruding positions are respectively matched with the front end of the bottom of the support member and the rear end inside the shell.

[0012] Preferably, two groups of connecting pipes are provided at the bottom of the cooling plate, and wind nets are provided at the upper and lower ends of the interior of the cooling plate, and the wind nets are communicated with the two groups of connecting pipes.

[0013] Preferably, a driving bevel gear connected to the output shaft of the second motor is installed at the rear end of the transmission box, the right front end of the driving bevel gear is meshed with the driven bevel gear, and the middle shaft of the driven bevel gear is connected to the rotating member.

[0014] Preferably, the toggle mechanism includes a movable rack connected to the support rod, a rotating gear meshing with the left side of the movable rack, a connecting shaft arranged in the middle of the rotating gear, and a toggle plate arranged outside the connecting shaft, and the bottom of the connecting shaft is connected to the bottom of the shell.

[0015] Preferably, the specific steps are as follows:

[0016] S1 Film installation: Pull the transfer film from the transfer film roll, and guide it to the top of the uniform heating device through the first guide roller. After passing through the uniform heating device, the transfer film passes through the second guide roller and enters the transfer roller group. At the same time, pull the laser film from the laser film roll and send it to the transfer roller group. The transfer film and the laser film overlap in the transfer roller group. After that, the overlapped film passes through the through hole in the middle of the cooling plate and is pulled out from the outlet on the left side of the shell to complete the film installation;

[0017] S2 transfer film heating: start the first motor, the motor drives the rotating shaft to rotate, the rotating shaft drives the rotating rod, the push rod drives the slide plate to move in the guide member, the slide plate drives the sliding block in the guide rail to move back and forth under the action of the guide groove and the strip groove, and moves up and down at the same time, the sliding block drives the support to move, so that the heating roller on the support evenly heats the transfer film;

[0018] S3 Transfer of transfer film and laser film: The heated transfer film and laser film are transferred through the transfer roller group;

[0019] S4 film cooling: the transferred film enters the rapid cooling device, the second motor is started, the motor drives the active bevel gear to rotate, drives the driven bevel gear to rotate, the driven bevel gear drives the shaft rod to rotate the rotating part, the rotating part pushes the push rod to move the front slider, the slider pushes the threaded rod to move back and forth, realizes the reciprocating rotation of the rotating wheel, the gear on the outside of the rotating wheel drives the rack to move, the rack drives the bottom cooling plate to move back and forth on the film, the external air supply equipment supplies air to the internal air network, and cooperates with the cooling plate to achieve rapid cooling;

[0020] Heat conduction inside the S5 shell: When the threaded rod moves back and forth, it drives the connected support rod and the moving rack to move. The moving rack turns the rotating gear, and the rotating gear drives the connecting shaft to make the toggle plate swing back and forth. The toggle plate increases the air flow rate inside the shell, thereby improving the heat conduction efficiency.

[0021] Beneficial effects of the present invention:

[0022] The present invention provides a uniform heating device at the right end of the shell, and the uniform heating device is equipped with an independent heating roller. The uniform heating device cooperates with the motor to drive the internal transmission component to move, realize left and right reciprocating movement, and moves up and down during the movement, so as to uniformly heat the transfer film passing through, and avoid damage caused by excessive heating of the film due to continuous contact; a rapid cooling device is installed at the lower left end of the shell, and the rapid cooling device is equipped with an independent motor, which can drive the internal cooling plate to reciprocate and quickly cool the laser film after transfer, and the cooling rate is fast. In addition, a toggle mechanism that moves synchronously with the rapid cooling device is provided, and the toggle mechanism can increase the air flow rate in the shell to realize rapid heat conduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the uniform heating device of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the skateboard of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the rapid cooling device of the present invention;

[0027] Figure 5 This is a structural schematic diagram of the rapid cooling device of the present invention from another perspective;

[0028] Figure 6 It is a schematic diagram of the transmission box structure of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the toggle mechanism of the present invention.

[0030] Among them: shell-1, transfer film roller-2, first guide roller-3, uniform heating device-4, first motor-4a, second guide roller-5, laser film roller-6, transfer roller group-7, rapid cooling device-8, second motor-8a, toggle mechanism-9, breathable net-10, fixed block-41, rotating shaft-42, rotating rod-43, pushing rod-44, slide plate-45, guide member-46, guide rail-47, sliding block-48, guide groove-49, support Part-410, heating roller-411, transmission box-81, supporting part-82, rotating part-83, push rod-84, slider-85, threaded rod-86, rotating wheel-87, gear-88, support rod-89, rack-810, cooling plate-811, through-port-812, connecting pipe-811a, active bevel gear-81a, driven bevel gear-81b, movable rack-91, rotating gear-92, connecting shaft-93, and dial plate-94. DETAILED DESCRIPTION

[0031] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0032] See also Figure 1 The present invention provides a laser film rapid printing device, including a shell 1, a transfer film winding roller 2 for winding and unwinding a transfer film is arranged at the upper left end of the shell 1, a first guide roller 3 is arranged at the lower right of the transfer film winding roller 2, and the transfer film is sent out by the first guide roller 3, a uniform heating device 4 for uniformly heating the transfer film is arranged at the upper right end of the shell 1, and the front and rear positions of the right end of the uniform heating device 4 are respectively connected to a first motor 4a, and the first motor 4a is installed on the front and rear surfaces of the shell 1, a second guide roller 5 is arranged at the right end of the shell 1, and the second guide roller 5 is used to receive the heated transfer film, a transfer roller group 7 is arranged at the lower middle end of the shell 1, and the shell 1 A laser film winding roller 6 is installed at the lower right end inside, and the laser film winding roller 6 is used for winding and unwinding the laser film. The laser film and the transfer film enter the transfer roller group 7 for transfer together. A quick cooling device 8 is installed at the lower left end inside the outer shell 1. The quick cooling device 8 cools the laser film after transfer, and the front end of the quick cooling device 8 is connected to a toggle mechanism 9. The toggle mechanism 9 can toggle the air inside the outer shell 1 to increase the air flow rate and facilitate heat dissipation. A breathable net 10 is embedded at the left end of the back of the outer shell 1, and an opening is opened at the lower left end of the outer shell 1 to facilitate the output of the transfer film and the laser film. A second motor 8a connected to the quick cooling device 8 is installed on the back of the outer shell 1.

[0033] See also Figure 2-Figure 3 The uniform heating device 4 includes two sets of fixed blocks 41 which are arranged opposite to each other and are respectively arranged on the inner side of the housing 1. A rotating shaft 42 is arranged in the middle of the fixed block 41. The two sets of rotating shafts 42 are respectively connected to the two sets of first motors 4a. The inner side of the rotating shaft 42 passes through the fixed block 41 to connect the rotating rod 43. The other end of the rotating rod 43 is hinged to the pushing rod 44. The other end of the pushing rod 44 is hinged to the slide plate 45. The upper and lower ends of the slide plate 45 are movably embedded in the guide member 46. The four outer ends of the guide member 46 are fixed to the inner side of the housing 1. The inner side of the slide plate 45 is connected to the guide member 46. A guide rail 47 is formed at the front end of the side, a strip groove is opened inside the slide plate 45 corresponding to the middle part of the guide rail 47, a sliding block 48 is movably embedded in the guide rail 47, a convex column is fixed on the outside of the sliding block 48, the convex column passes through the strip groove, a guide groove 49 is opened inside the guide member 46, the back side of the convex column is movably embedded in the guide groove, one end of the middle part of the guide groove 49 is concave, and the other end is convex, a support 410 is welded and fixed at the front end of the sliding block 48, a heating roller 411 is arranged in the middle part of the top of the support 410, and the top of the heating roller 411 corresponds to the transfer film passing through.

[0034] See also Figure 4-Figure 6The rapid cooling device 8 includes a transmission box 81 fixed to the inner side of the shell 1, the back side of the transmission box 81 is connected to the second motor 8a, the right side of the transmission box 81 is connected to the support member 82, the right rear end of the support member 82 is provided with a rotating member 83, the other end of the rotating member 83 is hinged to a push rod 84, the front end of the push rod 84 is hinged to a slider 85, the top of the slider 85 matches the upper end of the support member 82, the front end of the slider 85 is connected to a threaded rod 86, the front end of the threaded rod 86 is threadedly connected to the inner side of a rotating wheel 87, the outer side of the rotating wheel 87 is provided at the inner front end of the support member 82, the outer front end of the rotating wheel 87 is provided with a gear 88, and the front end of the threaded rod 86 is fixed with a through-rotating gear The support rod 89 at the front end of the moving wheel 87, the front end of the support rod 89 is connected to the toggle mechanism 9, the bottom of the gear 88 is meshed with the rack 810, the bottom of the rack 810 is fixed to the cooling plate 811, the front end and the back of the top of the cooling plate 811 are both convex, and the convex positions are respectively matched with the front end of the bottom of the support member and the rear end of the shell 1, and a through hole 812 is opened in the middle of the cooling plate 811 to facilitate the passage of the transfer film and the laser film, and two groups of connecting pipes 811a are arranged at the bottom of the cooling plate 811, and wind nets are arranged at the upper and lower ends of the cooling plate 811, and the wind nets are communicated with the two groups of connecting pipes 811a, and the connecting pipes 811a can be connected to external air supply equipment for ventilation;

[0035] A driving bevel gear 81a connected to the output shaft of the second motor 8a is installed at the rear end of the transmission box 81. The right front end of the driving bevel gear 81a is meshed with the driven bevel gear 81b. The middle shaft of the driven bevel gear 81b is connected to the rotating member 83.

[0036] See also Figure 7 The toggle mechanism 9 includes a moving rack 91 fixed to the support rod 89 on the back side, a support is fixed to the left front end of the shell 1, and the moving rack 91 passes through the support to support it, the left side of the moving rack 91 is meshed with the rotating gear 92, the bottom of the rotating gear 92 is connected to the connecting shaft 93, and a toggle plate 94 is arranged on the outside of the connecting shaft 93, and the toggle plate 94 rotates with the connecting shaft 93, and the bottom of the connecting shaft 93 is rotatably connected to the bottom of the shell 1.

[0037] The specific implementation process is as follows:

[0038] When printing is required, the transfer film is pulled out from the transfer film roll 2, guided by the first guide roller 3, passed above the uniform heating device 4, and then sent to the transfer roller group 7 through the second guide roller 5. At the same time, the laser film in the laser film roll 6 is pulled out and enters the transfer roller group 7. After the transfer film and the laser film overlap, they pass through the through hole 812 in the middle of the cooling plate 811 and are finally pulled out from the left exit of the housing 1 to complete the installation of the film.

[0039] When the transfer film passes through the uniform heating device 4, the first motor 4a is started to work, and the first motor 4a drives the rotating shaft 42 to rotate. During the rotation, the rotating rod 43 rotates accordingly, and the pushing rod 44 drives the sliding plate 45. The sliding plate 45 moves in the guide member 46. Under the action of the guide groove 49 and the strip groove, the sliding block 48 inside the guide rail 47 can drive the support member 410 to move back and forth along the shape of the guide groove 49, and move up and down during the movement. The heating roller 411 on the support member 410 can move accordingly and evenly heat the transfer film.

[0040] The heated transfer film and laser film can enter the rapid cooling device 8 after being transferred by the transfer roller group 7. At this time, the second motor 8a is started to work, and the second motor 8a drives the active bevel gear 81a to rotate, and the active bevel gear 81a drives the driven bevel gear 81b to rotate, and the shaft in the middle of the driven bevel gear 81b drives the rotating member 83 to rotate, and the rotating member 83 acts on the push rod 84 to make the slider 85 at the front end move, and the slider 85 acts on the slider 85 to push the threaded rod 86 to move back and forth. During the movement of the threaded rod 86, the reciprocating rotation of the rotating wheel 87 can be realized, and the gear 88 on the outer side of the rotating wheel 87 drives the rack 810 to move, and the rack 810 drives the cooling plate 811 at the bottom to move back and forth on the passing film, and cooperates with the external air supply equipment to supply air into the internal air network to achieve rapid cooling;

[0041] When the threaded rod 86 moves back and forth, the support rod 89 connected to the front end follows the movement with the moving rack 91, and the rotating gear 92 is turned. The rotating gear 92 drives the connecting shaft 93 to make the turning plate 94 swing back and forth to increase the air flow rate inside the shell 1 and achieve efficient heat conduction.

[0042] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A laser film rapid printing device, characterized in that: The invention comprises a shell, wherein a transfer film roller is arranged at the upper left end of the shell, a first guide roller for guiding is arranged at the lower right of the transfer film roller, a uniform heating device is arranged at the upper right end of the shell, the uniform heating device heats the passing transfer film, a second guide roller is arranged on the right of the uniform heating device, a laser film roller is arranged at the lower right end of the shell, a transfer roller group for transferring the laser film and the transfer film is arranged at the lower middle part of the shell, a rapid cooling device is arranged at the lower left end of the shell, the rapid cooling device cools the passing laser film and the transfer film, the front end of the rapid cooling device is connected to the toggle mechanism, the toggle mechanism to toggle the air inside the shell, a breathable net is arranged at the rear end of the back of the shell, an opening is arranged on the left side of the shell for the output of the transfer film and the laser film, a first motor connected to the uniform heating device is arranged at the front and rear of the right end of the shell, and a second motor connected to the rapid cooling device is arranged at the left end of the back of the shell; The uniform heating device comprises two sets of opposite fixed blocks arranged on the inner side of the shell, a rotating shaft arranged inside the fixed block and connected to the output shaft of the first motor on the outer side, a rotating rod connected to the other end of the rotating shaft, a pushing rod hinged to the other end of the rotating rod, a sliding plate hinged to the other end of the pushing rod on the inner side, a guide member movably embedded in the sliding plate and connected to the outer side of the shell, a guide rail arranged at the inner front end of the sliding plate, a sliding block movably embedded in the guide rail, a guide groove opened in the guide member, a supporting member connected to the front end of the sliding block, and a heating roller arranged on the top of the supporting member; The rapid cooling device includes a transmission box arranged at the rear end of the shell and connected to the second motor, a support member arranged on the right side of the transmission box, a rotating member arranged at the right rear end of the support member, a push rod at the other end of the hinged rotating member, a slider connected to the front end of the push rod and matched with the rear end of the support member, a threaded rod connected to the front end of the slider, a rotating wheel arranged at the front end of the support member and threadedly connected to the threaded rod in the middle, a gear arranged at the front end of the outer side of the rotating wheel, a support rod connected to the front end of the threaded rod and passing through the rotating wheel, the front end of the support rod is connected to a toggle mechanism, a rack meshing with the bottom of the gear, a cooling plate connected to the bottom of the rack, and a through opening opened in the middle of the cooling plate for the transfer film and the laser film to pass through.

2. The laser film rapid printing device according to claim 1, characterized in that: A strip groove is provided inside the slide plate corresponding to the middle of the guide rail, and a convex column is fixed on the outer side of the sliding block, and the convex column passes through the strip groove.

3. The laser film rapid printing device according to claim 2, characterized in that: The back side of the convex column is movably embedded in the guide groove, and one end of the middle part of the guide groove is concave and the other end is convex.

4. The laser film rapid printing device according to claim 1, characterized in that: The front end and the back end of the top of the cooling plate are both convex, and the convex positions are matched with the front end of the bottom of the support member and the rear end inside the shell respectively.

5. The laser film rapid printing device according to claim 4, characterized in that: Two groups of connecting pipes are arranged at the bottom of the cooling plate, and wind nets are arranged at the upper and lower ends of the cooling plate, and the wind nets are communicated with the two groups of connecting pipes.

6. The laser film rapid printing device according to claim 4, characterized in that: A driving bevel gear connected to the output shaft of the second motor is installed at the rear end of the transmission box, the right front end of the driving bevel gear is meshed with the driven bevel gear, and the middle shaft of the driven bevel gear is connected to the rotating member.

7. The laser film rapid printing device according to claim 1, characterized in that: The toggle mechanism includes a moving rack connected to a support rod, a rotating gear meshing with the left side of the moving rack, a connecting shaft arranged in the middle of the rotating gear, and a toggle plate arranged outside the connecting shaft, and the bottom of the connecting shaft is connected to the bottom of the shell.

8. A printing method using a laser film rapid printing device according to any one of claims 1 to 7, characterized in that: The specific steps are as follows: S1 Film installation: Pull the transfer film from the transfer film roll, and guide it to the top of the uniform heating device through the first guide roller. After passing through the uniform heating device, the transfer film passes through the second guide roller and enters the transfer roller group. At the same time, pull the laser film from the laser film roll and send it to the transfer roller group. The transfer film and the laser film overlap in the transfer roller group. After that, the overlapped film passes through the through hole in the middle of the cooling plate and is pulled out from the outlet on the left side of the shell to complete the film installation; S2 transfer film heating: start the first motor, the motor drives the rotating shaft to rotate, the rotating shaft drives the rotating rod, the push rod drives the slide plate to move in the guide member, the slide plate drives the sliding block in the guide rail to move back and forth under the action of the guide groove and the strip groove, and moves up and down at the same time, the sliding block drives the support to move, so that the heating roller on the support evenly heats the transfer film; S3 Transfer of transfer film and laser film: The heated transfer film and laser film are transferred through the transfer roller group; S4 film cooling: the transferred film enters the rapid cooling device, the second motor is started, the motor drives the active bevel gear to rotate, drives the driven bevel gear to rotate, the driven bevel gear drives the shaft rod to rotate the rotating part, the rotating part pushes the push rod to move the front slider, the slider pushes the threaded rod to move back and forth, realizes the reciprocating rotation of the rotating wheel, the gear on the outside of the rotating wheel drives the rack to move, the rack drives the bottom cooling plate to move back and forth on the film, the external air supply equipment supplies air to the internal air network, and cooperates with the cooling plate to achieve rapid cooling; Heat conduction inside the S5 shell: When the threaded rod moves back and forth, it drives the connected support rod and the moving rack to move. The moving rack turns the rotating gear, and the rotating gear drives the connecting shaft to make the toggle plate swing back and forth. The toggle plate increases the air flow rate inside the shell, thereby improving the heat conduction efficiency.

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