Novel reel-to-reel UV transfer machine
Technical Field
The invention relates to the technical field of printing equipment, in particular to a novel roll-to-roll UV transfer printing machine.
Background
The UV transfer printing equipment, namely adopt UV glue under the ultraviolet light is solid, the process equipment of the subtle texture structure of reproduction through the phenomenon of solidification, and known this kind of high-quality printing is prepared by the national techniques such as Japan and Korean, etc., and the current transfer printing equipment, the mode of printing the rubber coating that adopts, the problem that can lead to the plate mouth to deposit the glue slightly carelessly, because its complicated printing template assembly of structure is inconvenient, make the assembly time overlength, and make the printing template damage easily, above-mentioned defect often leads to the manufacturing cost to improve.
The above drawbacks are expected to be overcome by those skilled in the art.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the invention provides a novel roll-to-roll UV transfer printing machine, the transfer printing stencil of which is quick to replace and low in cost, and has popularization value.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a novel roll-to-roll UV transfer machine comprises a machine case, a transfer printing stencil and an auxiliary support plate, wherein an unwinding device is arranged between a machine case box body and the auxiliary support plate, the unwinding device comprises an unwinding roller wound with a substrate, the conveying direction of the substrate is provided with a deviation correcting mechanism, a traction mechanism, a coating mechanism and a transfer printing mechanism, the transfer printing mechanism comprises a transfer printing frame, transfer printing cylinders are arranged on two sides of the transfer printing frame, the output end of each transfer printing cylinder is provided with a transfer printing lifting roller, the side end of the transfer printing frame is provided with a transfer printing motor, the output end of the transfer printing motor is connected with a transfer printing roller, the transfer printing roller is provided with a clamping plate groove, the transfer printing mechanism further comprises a film coating device, the film coating device is provided with a film coating motor, the output end of the film coating motor is provided with a film, this UV drying machine constructs includes an auxiliary roller and telescopic cylinder, the both ends of auxiliary roller are passed through the slider and are connected on the slide rail.
In one embodiment of the invention, the coating mechanism comprises a coating machine frame, coating cylinders are arranged on two sides of the coating machine frame, a lifting roller is arranged at the output end of each coating cylinder, an intaglio gluing roller is arranged below each lifting roller, a coating container is arranged below each intaglio gluing roller, the lifting cylinder is arranged at the bottom end of each coating container, a scraper frame is arranged adjacent to each intaglio gluing roller, a scraper is arranged on each scraper frame, and the cutting edge of each scraper faces towards the intaglio gluing roller.
In an embodiment of the present invention, the chassis and the box further include a film collecting roller, a film coating roller, and a winding device, the film collecting roller is wound with the bottom film before coating, the film coating roller is disposed in the conveying direction of the substrate, and the winding device is provided with a winding roller for winding.
In one embodiment of the invention, the traction mechanism comprises a traction frame, traction cylinders are arranged on two sides of the traction frame, a traction roller is arranged at the output end of each traction cylinder, a traction motor is arranged at the side end of the traction frame, the output end of each traction motor is connected with the corresponding traction roller, and an adjusting roller is arranged in the output direction of each traction roller.
In one embodiment of the invention, a control device is arranged on the front end face of the auxiliary supporting plate, the control device comprises a deviation correcting control box, a coating control box and a printing control box, the deviation correcting control box is electrically connected with the deviation correcting device, the coating control box is electrically connected with the coating mechanism, and the printing control box is electrically connected with the roll-to-roll UV transfer printing machine.
In one embodiment of the invention, the sliding block is fixedly connected with the output end of the telescopic cylinder, and the end part of the telescopic cylinder is hinged on the fixed block.
In one embodiment of the invention, the non-contact structure between the gravure gluing roller and the scraper forms a radial gap for conveying the coating.
In one embodiment of the invention, the film covering roller synchronously rotates along with a material winding motor which drives a winding roller to rotate.
In one embodiment of the present invention, the transfer template is a u-shaped structure with two ends bent, and the u-shaped structure is attached to the periphery of the transfer roller by bending, and the two ends are inserted into the clamping plate grooves during installation.
(III) advantageous effects
The invention has the beneficial effects that: the invention evenly coats the paint on the circumferential surface of the gravure sizing roller by the scraper, when the substrate passes through the gravure sizing roller, the paint is evenly and smoothly adhered to the lower surface of the substrate under the assistance of the pressure exerted by the lifting roller, compared with the prior art at home and abroad, the traditional gluing mode is changed, the industrial pain point of the plate opening glue accumulation is solved, furthermore, a clamping plate groove is arranged on the transfer roller, the transfer printing template is bent and attached to the transfer roller, and the two ends of the transfer printing template are inserted into the clamping plate groove, so that the installation can be realized, the traditional plate installing mode is overturned, the plate installing and changing time is greatly shortened, the production efficiency is greatly improved, and the replaceable template is made of PC, PET and other materials, so that the cost is greatly reduced.
Drawings
FIG. 1 is a front view of one embodiment of the present invention;
FIG. 2 is a perspective view of one embodiment of the present invention;
FIG. 3 is a schematic workflow diagram of one embodiment of the present invention;
FIG. 4 is a perspective view of a transfer mechanism configuration according to one embodiment of the present invention;
FIG. 5 is a perspective view showing a structure of a transfer roller according to an embodiment of the present invention;
FIG. 6 is a schematic view of a transfer stencil mounting structure according to an embodiment of the present invention;
FIG. 7 is a perspective view of a UV drying mechanism according to one embodiment of the present invention;
FIG. 8 is a view of the construction of a coating mechanism according to one embodiment of the invention;
FIG. 9 is a first schematic view illustrating a coating state according to an embodiment of the present invention;
fig. 10 is a structural view of a traction device according to an embodiment of the present invention.
[ description of reference ]
1: a chassis; 2: an auxiliary support plate; 3: an unwinding device; 31: unwinding rollers; 4: a substrate; 5: a deviation correcting mechanism; 6: a traction mechanism; 61: a tractor frame; 62: a traction cylinder; 63: a traction lifting roller; 64: a traction motor; 65: a traction roller; 66: a regulating roller; 7: a coating mechanism; 71: a coating frame; 72: a coating cylinder; 73: a lifting roller; 74: coating a rubber roller on the gravure; 75: a paint container; 76: a lifting cylinder; 77: a doctor holder; 78: a scraper; 8: a transfer mechanism; 81: a transfer printing frame; 82: a transfer cylinder; 83: a transfer lifting roller; 84: a transfer motor; 85: a transfer roller; 851: a clamping plate groove; 852: a notch; 86: a UV drying mechanism; 860: an auxiliary roller; 861: a slide rail; 862: a slider; 863: a telescopic cylinder; 864: a fixed block; 87: a film covering device; 88: a film covering motor; 89: a film laminating roller; 9: a film collecting roller; 10: a film laminating roller; 11: a winding device; 110: a wind-up roll; 12: a control device; 13: a deviation rectifying control box; 14: a coating control box; 15: a printing control box; 16: coating; 17: base film, 18: and (4) transferring the template.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, a novel roll-to-roll UV transfer printing machine includes a cabinet 1, a transfer printing stencil 18 and an auxiliary support plate 2, a unwinding device 3 is disposed between a cabinet of the cabinet 1 and the auxiliary support plate 2, the unwinding device 3 includes an unwinding roller 31 wound with a substrate 4, and a deviation correcting mechanism 5, a traction mechanism 6, a coating mechanism 7, a transfer printing mechanism 8 and a film coating device 87 are disposed in a conveying direction of the substrate 4;
wherein, the substrate 4 with basement membrane 17 reaches the mechanism 5 of rectifying that is equipped with the material receiving platform after removing dust through unwinding device 3, through electric eye counterpoint in drive mechanism 6 department, utilize simultaneously to receive membrane roller 9 separation basement membrane 17, then substrate 4 gets into coating mechanism 7, after the gravure rubberizing is accomplished, through rendition mechanism 8, various lines that set for on the transfer printing masterplate 18 of this place, the pattern rendition is to substrate 4, thereby make effects such as CD line, drawing a silk line, fog face, bright surface line on substrate 4, after the rendition is accomplished, tectorial membrane device 87 cooperates tectorial membrane roller 10 with the substrate 4 that the rendition was accomplished again with basement membrane 17 compound protection and expand, finally, the substrate 4 that the rendition was accomplished is rolled up in wind-up roller 110 by coiling mechanism 11.
As shown in fig. 4 to 6, the transfer mechanism 8 includes a transfer frame 81, transfer cylinders 82 are disposed on two sides of the transfer frame 81, a transfer lifting roller 83 is disposed at an output end of each transfer cylinder 82, a transfer motor 84 is disposed at a side end of the transfer frame 81, an output end of the transfer motor 84 is connected with a transfer roller 85, a clamp slot 851 is disposed on each transfer roller 85, the transfer mechanism 8 further includes a film coating device 87, the film coating device 87 is provided with a film coating motor 88, a film coating roller 89 is disposed at an output end of the film coating motor 88, as shown in fig. 7, a UV drying mechanism 86 is disposed between the transfer frame 81 and the film coating device 87, the UV drying mechanism 86 includes an auxiliary roller 860 and a telescopic cylinder 863, and two ends of the auxiliary roller 860 are connected to the slide rail.
Wherein, splint groove 851 is seted up along transfer roller 85 axial, splint groove 851 both ends are equipped with breach 852, and transfer roller 85 is global to have the transfer printing masterplate 18 of predesigned through the laminating of splint groove 851, and transfer printing masterplate 18 is the PC material, and it has elasticity and can better curl, can realize quick installation, and slide rail 861 still articulates has a UV lamp (not shown) towards substrate 4, can make UV lamp (not shown) reciprocate through telescopic cylinder 863, and this UV lamp is used for the pattern after the rendition to dry by fire T.
As shown in fig. 8 to 10, the coating mechanism 7 includes a coating frame 71, coating cylinders 72 are disposed on two sides of the coating frame 71, a lifting roller 73 is disposed at an output end of the coating cylinder 72, an intaglio gluing roller 74 is disposed below the lifting roller 73, a paint 16 container 75 is disposed below the intaglio gluing roller 74, a lifting cylinder 76 is disposed at a bottom end of the paint 16 container 75, a scraper frame 77 is disposed adjacent to the intaglio gluing roller 74, a scraper 78 is disposed on the scraper frame 77, and a cutting edge of the scraper 78 faces the intaglio gluing roller 74.
The gravure coating roller 74 sinks into the container 75 for the coating 16, the coating 16 is adhered to the peripheral surface of the gravure coating roller 74 when the gravure coating roller 74 rotates, the coating 16 is a UV transfer printing adhesive, the coating 16 on the peripheral surface of the gravure coating roller is uniformly coated by the scraper 78, and when the substrate 4 passes through the gravure coating roller 74, the coating 16 is uniformly and flatly adhered to the lower surface of the substrate 4 under the assistance of the pressure applied by the lifting roller 73.
As shown in fig. 1 to 3, the cabinet 1 further includes a film collecting roller 9, a film coating roller 10, and a winding device 11, wherein the film collecting roller 9 is wound with a base film 17 before coating, the film coating roller 10 is disposed in the conveying direction of the base material 4, the film coating roller 10 is used for coating the base material 4 after transfer, and the winding device 11 is provided with a winding roller 110 for winding the transfer base material 4.
As shown in fig. 10, the traction mechanism 6 includes a traction frame 61, traction cylinders 62 are provided on both sides of the traction frame 61, a traction lifting roller 63 is provided at an output end of the traction cylinder 62, a traction motor 64 is provided at a side end of the traction frame 61, an output end of the traction motor 64 is connected to a traction roller 65, and an adjusting roller 66 is provided in an output direction of the traction roller 65.
As shown in fig. 2, a control device 12 is provided on the front end surface of the auxiliary support plate 2, the control device 12 includes a deviation correction control box 13, a coating control box 14, and a printing control box 15, the deviation correction control box 13 is electrically connected to the deviation correction mechanism 5, the coating control box 14 is electrically connected to the coating mechanism 7, and the printing control box 15 is electrically connected to the transfer mechanism 8.
In this embodiment, the slide rail 861 is obliquely screwed on the case, the slide block 862 is fixedly connected to the output end of the telescopic cylinder 863, the end of the telescopic cylinder 863 is hinged on the fixing block 864, and the fixing block 864 is screwed on the case.
The non-contact structure between the gravure gluing roller 74 and the scraper 78 forms a radial gap for conveying the coating 16, so that the coating 16 adsorbed on the gravure gluing roller 74 is uniformly distributed, and the problem of plate opening glue accumulation caused by the excessive gluing condition is avoided.
In this embodiment, the laminating roller 10 rotates synchronously with a material winding motor (not shown) that drives the wind-up roller 110 to rotate, and it should be noted that the motor is a stepping motor, and a plurality of movement structures can be controlled by one motor in a belt connection manner to optimize the structure, so as to reduce the installation of individual motors.
Preferably, the transferring stencil 18 is a U-shaped structure with two ends bent, and is adhered to the peripheral surface of the transferring roller 85 by bending, and the two ends are inserted into the clamping groove 851 during installation, so as to automatically transfer the pattern onto the substrate 4 along with the rotation of the transferring roller 85.
The substrate 4 is a tape-shaped PC sheet or film.
In conclusion, the coating on the circumferential surface of the gravure sizing roller is uniformly coated by the scraper, when a substrate passes through the gravure sizing roller, the coating is uniformly and smoothly adhered to the lower surface of the substrate under the assistance of pressure exerted by the lifting roller, compared with the prior art at home and abroad, the traditional coating method is changed, the industrial pain point of plate opening glue accumulation is solved, furthermore, a clamping plate groove is formed in the transfer roller, the transfer printing template is bent and attached to the transfer roller, and two ends of the transfer printing template are inserted into the clamping plate groove, so that the installation can be realized, the traditional plate installing mode is overturned, the plate installing and plate changing time is greatly shortened, the production efficiency is greatly improved, and the replaceable transfer printing template is made of PC, PET and other materials, so that the cost is greatly reduced.