CN216128018U

CN216128018U - Three-dimensional relief layered ink-jet printer

Info

Publication number: CN216128018U
Application number: CN202120507851.0U
Authority: CN
Inventors: 李芝明; 徐勇强; 郭少东
Original assignee: Zhejiang Puqi Digital Technology Co ltd
Current assignee: Zhejiang Puqi Digital Technology Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2022-03-25
Anticipated expiration: 2031-03-10

Abstract

The utility model provides a three-dimensional relief layered ink-jet printer which comprises a rack, wherein an ink-jet module is arranged in the middle of the rack, the ink-jet module is supplied with ink by a secondary ink supply set, strong light curing modules are arranged on two sides of the ink-jet module on the rack, a feeding module is arranged on the rack and used for bearing a three-dimensional relief to be sprayed and conveying the three-dimensional relief from one side of the rack to the other side of the rack through the lower part of the ink-jet module, the ink-jet module is connected with a lifting module, the lifting module is used for adjusting the ink-jet height of the ink-jet module, and a three-dimensional scanner is further arranged on one side of the rack. According to the utility model, the areas with different heights are printed in a layered manner, and the heights of the areas with different heights and the printing spray head are regulated and controlled to be consistent before printing, so that the areas with different heights are clear during printing, and the printed product has higher quality.

Description

Three-dimensional relief layered ink-jet printer

Technical Field

The utility model relates to the technical field of ink-jet printers, in particular to a three-dimensional relief layered ink-jet printer.

Background

The printing equipment in the prior art is generally divided into a common printer, a flat-bed printer and an inkjet printer, the printing equipment is generally used for printing characters or patterns on the surface of paper or soft printing stock, the printing equipment realizes printing or jet printing of the characters or the patterns point by point and line by line through the transverse movement of a printing head or a jet printing head arranged on a machine body and the longitudinal movement of the printing stock, and the problems of low quality, poor definition, color distortion of the patterns and the like of the printed or jet printed characters or the patterns are caused due to the defects of low technical parameters, low precision, unstable operation and the like of the equipment existing in the structure of the printing equipment, and in addition, for large hard flat-bed printing stock or color drawing patterns with embossed concave-convex uneven surfaces, the large flat-bed type digital color inkjet printer with the Chinese patent publication No. CN101786382B is referred to, and comprises a printer head, a machine frame base, a printing platform, a moving mechanism, a lifting mechanism, a printing head, a machine frame base, a printing frame, a moving mechanism and a lifting mechanism, The printing and painting machine head is arranged on a moving mechanism arranged on two sides of a base of the rack, the moving mechanism is connected and matched with a ball screw and a linear guide rail which are arranged on the base of the rack through a ball screw nut and a slide block which are arranged on a walking beam of the base of the rack in a crossing manner and is driven by a driving motor to move back and forth, the lifting mechanism consists of a lifting motor arranged on the walking beam and lifting frames arranged on two ends, and the lifting motor drives two screw rods which are arranged on the lifting frames at two ends and are driven by a belt pulley around and a middle belt pulley to synchronously rotate so as to drive the printing and painting machine head arranged on the lifting mechanism; the upper supporting plate and the lower fixing plate of the lifting frame are connected into a whole through linear optical axes, the two linear optical axes are sleeved with the middle fixing plate provided with an optical axis seat, the lower fixing plate and the middle fixing plate are connected through the screw rods, and the lower fixing plate drives the upper supporting plate to move up and down through the rotation of the upper screw rod of the middle fixing plate. However, the motion structure of the printing and painting head is only innovated, so that the height of the printing and painting head can be adjusted according to the thickness of an object to be printed, the clear colored drawing pattern on the embossed uneven surface can be printed, the layered printing is not carried out on the area to be printed during the actual printing operation, the direct integral printing is adopted, the definition of the areas with different heights is inconsistent, and the integral impression is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of inconsistent definition of areas with different heights when the relief type uneven surface is sprayed, and provides a three-dimensional relief layered ink-jet printer which carries out layered printing on the areas with different heights, regulates and controls the areas with different heights to be consistent with the height of a printing nozzle before printing, so that the areas with different heights are clear when being printed, and the printed product has higher quality.

In order to realize the purpose, the following technical scheme is provided:

the utility model provides a three-dimensional relief layering inkjet printer, includes the frame, the intermediate position is equipped with the inkjet module in the frame, the inkjet module supplies the ink supply by second grade ink supply group, be equipped with highlight curing module in inkjet module both sides in the frame, be equipped with the feeding module in the frame, the feeding module is used for bearing the three-dimensional relief of treating the air brushing to carry the opposite side of frame with three-dimensional relief from one side in the frame through inkjet module below, the inkjet module is connected with lifting module, lifting module is used for adjusting the inkjet height of inkjet module, one side of frame still is equipped with the stereo scanner, the stereo scanner is used for scanning the three-dimensional data who acquires the three-dimensional relief of treating the air brushing, highlight curing module, lifting module, feeding module, inkjet module and stereo scanner are connected with master control module electric control, master control module is used for controlling the whole printing process of printer, the feeding module comprises a platform parallel to the surface of the rack, a first sliding plate fixedly connected with the platform, a linear motor rotor fixed on the first sliding plate, a linear motor stator and a feeding sliding rail, wherein the linear motor stator and the feeding sliding rail are arranged on the surface of the rack in parallel, and the first sliding plate is connected to the feeding sliding rail in a sliding mode.

The utility model utilizes a stereo scanner to obtain three-dimensional data of a stereo relief to be sprayed, establishes a contour map with a certain equal altitude distance, then superposes a planar design drawing of the stereo relief to be sprayed and obtained by a main control module with the contour map, obtains a layered area printing drawing, sorts the layered area printing drawing from high to low, and prints layer by layer according to the sort, wherein the printing process comprises the following steps: setting the vertical distance between the contour line and the printing nozzle to be h, controlling the lifting module to lift by the main control module, enabling the vertical distance between the ink jet module and the contour line of the first layered area printing graph to be h, controlling the feeding module to do uniform feeding motion by the main control module, controlling the ink jet module to print the first layered area, and finally curing by the highlight curing module on one side of the rack, controlling the lifting module to lift by the main control module, enabling the vertical distance between the ink jet module and the contour line of the second layered area printing graph to be h, controlling the feeding module to reversely do uniform feeding motion, and finally curing by the highlight curing module on the other side of the rack, and so on until all layered areas are printed. According to the utility model, the height of the areas with different heights is regulated to be consistent with the height of the printing nozzle before printing, so that the areas with different heights are clear during printing, and the quality of printed products is higher.

Preferably, the stereo scanner is a photographic three-dimensional scanner. The photographic three-dimensional scanner adopts visible light to project specific grating stripes on a measuring working surface, two high-resolution CCD digital cameras are used for photographing grating interference stripes, an optical photographing positioning technology and a grating measuring principle are used for obtaining complete point clouds of a complex working surface in a very short time, the scanning does not need to be driven by a machine tool through a unique flowing design and an automatic splicing technology of the point clouds with different visual angles, the scanning range can reach 12M, and when large workpieces such as three-dimensional embossments are scanned, the scanning is efficient, easy and easy.

Preferably, the ink jet module comprises an ink jet jig plate fixed on the lifting module and a plurality of rows of nozzle groups fixed on the ink jet jig plate, each row of nozzle group consists of a plurality of parallel nozzles, and an included angle between the nozzle and one side of the ink jet jig plate is plus or minus 85 degrees. The size of an included angle formed between the spray head and one side of the ink-jet jig plate is selected according to the high-density ink-jet modules with different sizes. Utilize the side by side shower nozzle of taking the angle to constitute high density inkjet module, realize increasing a small number and print the shower nozzle and just can improve inkjet density, because inkjet density is high, the unit interval jet ink volume of every shower nozzle can reduce, can draw more meticulous point, makes the pattern or the characters color that it printed bright-coloured, lines are clear, the third dimension is strong, the ink mark is firm.

Preferably, the inkjet jig plate is fixedly provided with a plurality of curing lamps which are inserted between a plurality of rows of nozzle groups. The curing lamp is arranged to cure the ink marks in the printing process, so that the curing speed of the ink marks is improved, and the rapid printing is realized.

Preferably, the lifting module comprises 2 lifting units symmetrically arranged, each lifting unit comprises a vertical plate fixed on the frame, a sliding rail and a second sliding plate slidably connected with the vertical plate through the sliding rail, a motor mounting plate and a bearing seat are arranged on the second sliding plate, a screw rod integrated motor is fixed on the motor mounting plate, a bearing is arranged in the bearing seat, one end of a screw rod of the screw rod integrated motor is sleeved in the bearing, a nut support is connected to the screw rod of the screw rod integrated motor in a threaded manner, the nut support is fixedly connected with the vertical plate, side plates are fixed to two sides of the second sliding plate, a top plate support is arranged at the tops of the side plates and the second sliding plate, and the lifting module is fixedly connected with the ink jet module through the side plates.

When the lifting unit works, the screw rod integrated motor rotates to drive the screw rod to rotate forwards or reversely, and the screw rod does lifting motion to drive the side plate to do lifting motion because the nut support is fixedly connected with the vertical plate and the vertical plate is fixedly connected to the machine frame. The lifting unit that 2 symmetries set up constitutes lifting module, and lifting module one has 4 curb plates altogether, through curb plate and high density inkjet module, drives high density inkjet module and does elevating movement when 2 symmetries set up lifting unit do elevating movement to change high density inkjet module's printing height.

Preferably, the second sliding plate is provided with 2 distance measuring sensors, the nut support is fixed with a baffle, and the 2 distance measuring sensors are arranged at two ends of the movement stroke of the baffle. The purpose of setting up range finding sensor and baffle is in order to the printing height of accurate control high density inkjet module, improves the definition of the pattern or the characters of printing.

Preferably, the highlight curing module comprises a lifting unit, a curing jig plate and a highlight curing lamp fixed on the curing jig plate, wherein the curing jig plate is fixed at the bottom of a side plate of the lifting unit, and the highlight curing module is used for curing the ink marks to realize the purpose of beating and taking the ink marks.

Preferably, the other end of the screw rod integrated motor is provided with a hand wheel. The long-time use of lift unit leads to the lead screw to have wearing and tearing, and its altitude mixture control precision can descend, and the purpose of setting up the hand wheel is to carrying out manual regulation calibration, convenient maintenance to the position of the integrative motor of lead screw.

The utility model has the beneficial effects that: according to the utility model, the height of the areas with different heights is regulated to be consistent with the height of the printing nozzle before printing, so that the areas with different heights are clear during printing, and the quality of printed products is higher. The high-density ink-jet module is formed by utilizing the parallel nozzles with the angles, so that the ink-jet density can be improved by increasing a few printing nozzles, and because the ink-jet density is high, the ink-jet quantity of each nozzle in unit time can be reduced, namely finer dots can be drawn, and the printed patterns or characters are bright in color, clear in lines, strong in three-dimensional sense and firm in ink marks; the curing lamp is arranged to cure the ink marks in the printing process, so that the curing speed of the ink marks is improved, and the rapid printing is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural diagram of an inkjet module according to an embodiment;

FIG. 3 is a front view of an inkjet module of an embodiment;

fig. 4 is a front view of the elevating unit of the embodiment;

FIG. 5 is a side view of the lifting unit of the embodiment;

FIG. 6 is a top view of the lifting unit of the embodiment;

FIG. 7 is a schematic structural diagram of the lifting unit of the embodiment;

FIG. 8 is a schematic structural diagram of a hard light curing module according to an embodiment;

FIG. 9 is a schematic structural diagram of a feeding module of the embodiment;

wherein: 1. the device comprises a rack 2, a strong light curing module 3, a lifting module 4, a feeding module 5, an ink jet module 6, a secondary ink supply group 7, a three-dimensional scanner 2-1, a curing jig plate 2-2, a strong light curing lamp 3-1, a second sliding plate 3-2, a vertical plate 3-3, a slide rail 3-4, a top plate support 3-5, a side plate 3-6, a motor mounting plate 3-7, a screw rod integrated motor 3-8, a bearing seat 3-9, a bearing 3-10, a nut support 3-11, a baffle plate 3-12, a distance measuring sensor 3-13, a hand wheel 4-1, a linear motor stator 4-2, a linear motor rotor 4-3, a slide rail 4-4, a first sliding plate 4-5, a first sliding plate 3-5, a second sliding plate 3-4, a first sliding plate 3-4, a second sliding plate 3-6, a second sliding plate 3-4, a first sliding plate 3, a second sliding plate 3-4, a second sliding plate 3, a third plate 3, a fourth sliding plate 3, a fourth plate, a, 5-1 of a platform, 5-2 of an ink-jet jig plate, 5-3 of a spray head and a curing lamp.

Detailed Description

Example (b):

the embodiment provides a three-dimensional relief layered ink-jet printer, referring to fig. 1 and 9, which comprises a rack 1, wherein an ink-jet module 5 is arranged at the middle position on the rack 1, the ink-jet module 5 is supplied with ink by a secondary ink supply group 6, strong light curing modules 2 are arranged on two sides of the ink-jet module 5 on the rack 1, a feeding module 4 is arranged on the rack 1, the feeding module 4 is used for bearing a three-dimensional relief to be sprayed and conveying the three-dimensional relief from one side on the rack 1 to the other side of the rack 1 through the lower part of the ink-jet module 5, the ink-jet module 5 is connected with a lifting module 3, the lifting module 3 is used for adjusting the ink-jet height of the ink-jet module 5, a three-dimensional scanner 7 is also arranged on one side of the rack 1, the three-dimensional scanner 7 is used for scanning and acquiring three-dimensional data of the three-dimensional relief to be sprayed and sprayed, the strong light curing modules 2, the lifting module 3, the feeding module 4, the ink-jet module 5 and the three-dimensional scanner 7 are electrically controlled by a main control module, the main control module is used for controlling the whole printing process of the printer. The stereo scanner 7 is a photographic three-dimensional scanner. The feeding module 4 comprises a platform 4-5 parallel to the surface of the frame 1, a first sliding plate 4-4 fixedly connected with the platform 4-5, a linear motor rotor 4-2 fixed on the first sliding plate 4-4, a linear motor stator 4-1 arranged on the surface of the frame 1 in parallel and a feeding slide rail 4-3, wherein the first sliding plate 4-4 is slidably connected to the feeding slide rail 4-3.

Referring to fig. 2 and 3, the inkjet module 5 includes an inkjet jig plate 5-1 fixed on the lifting module 3 and a plurality of rows of nozzle groups fixed on the inkjet jig plate 5-1, each row of nozzle group is composed of a plurality of nozzles 5-2 arranged side by side, and an angle formed by the nozzle 5-2 and one side of the inkjet jig plate 5-1 is an included angle of plus or minus 85 degrees. The ink-jet jig plate 5-1 is fixedly provided with a plurality of curing lamps 5-3 which are inserted among a plurality of rows of spray head groups. The curing lamp is arranged to cure the ink marks in the printing process, so that the curing speed of the ink marks is improved, and the rapid printing is realized.

Referring to fig. 4, 5, 6, 7 and 8, the lifting module 3 comprises 2 symmetrically arranged lifting units, each lifting unit comprises a vertical plate 3-2 fixed on the frame 1, a sliding rail 3-3 and a second sliding plate 3-1 connected with the vertical plate 3-2 through the sliding rail 3-3, the second sliding plate 3-1 is provided with a motor mounting plate 3-6 and a bearing seat 3-8, the motor mounting plate 3-6 is fixed with a screw rod integrated motor 3-7, the bearing seat 3-8 is provided with a bearing 3-9, one end of a screw rod of the screw rod integrated motor 3-7 is sleeved in the bearing 3-9, the screw rod of the screw rod integrated motor 3-7 is connected with a screw nut bracket 3-10 through screw threads, the screw nut bracket 3-10 is fixedly connected with the vertical plate 3-2, two sides of the second sliding plate 3-1 are fixed with side plates 3-5, the top plate supports 3-4 are arranged at the tops of the side plates 3-5 and the second sliding plate 3-1, and the lifting module 3 is fixedly connected with the ink jet module 5 through the side plates 3-5. The other end of the screw rod integrated motor 3-7 is provided with a hand wheel 3-13. The lifting unit is used for a long time, so that the lead screw is abraded, the height adjusting precision of the lead screw is reduced, and the hand wheel is arranged to manually adjust and calibrate the positions of the lead screw integrated motors 3-7, so that the maintenance is convenient.

The second sliding plate 3-1 is provided with 2 distance measuring sensors 3-12, the nut bracket 3-10 is fixed with a baffle 3-11, and the 2 distance measuring sensors 3-12 are arranged at two ends of the movement stroke of the baffle 3-11. The purpose of setting up range finding sensor and baffle is in order to the printing height of accurate control high density inkjet module, improves the definition of the pattern or the characters of printing.

The strong light curing module 2 comprises a lifting unit, a curing jig plate 2-1 and a strong light curing lamp 2-2 fixed on the curing jig plate 2-1, wherein the curing jig plate 2-1 is fixed at the bottom of a side plate 3-5 of the lifting unit, and ink marks are cured through the strong light curing module to realize immediate printing and immediate taking.

The utility model utilizes a stereo scanner to obtain three-dimensional data of a stereo relief to be sprayed, establishes a contour map with a certain equal altitude distance, then superposes a planar design drawing of the stereo relief to be sprayed and obtained by a main control module with the contour map, obtains a layered area printing drawing, sorts the layered area printing drawing from high to low, and prints layer by layer according to the sort, wherein the printing process comprises the following steps: setting the vertical distance between the contour line and the printing nozzle to be h, controlling the lifting module 3 to lift by the main control module, enabling the vertical distance between the ink jet module 5 and the contour line of the first layered area printing graph to be h, controlling the feeding module 4 to do uniform feeding motion by the main control module at the moment, controlling the ink jet module 5 to print the first layered area, finally curing by the highlight curing module 2 on one side of the rack 1, controlling the lifting module 3 to lift by the main control module at the moment, enabling the vertical distance between the ink jet module 5 and the contour line of the second layered area printing graph to be h, controlling the feeding module 4 to reversely do uniform feeding motion, finally curing by the highlight curing module 2 on the other side of the rack 1, and so on until all the layered areas are printed. According to the utility model, the height of the areas with different heights is regulated to be consistent with the height of the printing nozzle before printing, so that the areas with different heights are clear during printing, and the quality of printed products is higher. The photographic three-dimensional scanner projects specific grating stripes onto a measuring working surface by adopting visible light, takes pictures of grating interference stripes by utilizing two high-resolution CCD digital cameras, obtains complete point clouds of the complex working surface in a very short time by utilizing an optical photographing positioning technology and a grating measuring principle, enables scanning to be free of driving of a machine tool through a unique flowing design and an automatic splicing technology of the point clouds with different visual angles, and has a scanning range of 12M, so that the scanning is efficient, easy and easy when large workpieces such as three-dimensional embossments are scanned. The size of an included angle formed between the spray head and one side of the ink-jet jig plate is selected according to the high-density ink-jet modules with different sizes. Utilize the side by side shower nozzle of taking the angle to constitute high density inkjet module, realize increasing a small number and print the shower nozzle and just can improve inkjet density, because inkjet density is high, the unit interval jet ink volume of every shower nozzle can reduce, can draw more meticulous point, makes the pattern or the characters color that it printed bright-coloured, lines are clear, the third dimension is strong, the ink mark is firm.

Claims

1. The utility model provides a three-dimensional relief layering inkjet printer, includes frame (1), characterized by, the intermediate position is equipped with inkjet module (5) on frame (1), inkjet module (5) is supplied ink by second grade ink supply group (6), be equipped with highlight curing module (2) in inkjet module (5) both sides on frame (1), be equipped with on frame (1) and feed module (4), it is used for bearing the three-dimensional relief of treating the air brushing to feed module (4) to carry the opposite side of frame (1) with three-dimensional relief from one side on frame (1) through inkjet module (5) below, inkjet module (5) are connected with lifting module (3), lifting module (3) are used for adjusting the inkjet height of inkjet module (5), one side of frame (1) still is equipped with stereo scanner (7), stereo scanner (7) are used for scanning to obtain the three-dimensional data of the three-dimensional relief of treating the air brushing, highlight curing module (2), lifting module (3), feed module (4), inkjet module (5) and stereo scanner (7) are connected with the master control module electric control, master control module is used for controlling the whole printing process of printer, feed module (4) including be on a parallel with frame (1) surface platform (4-5), with platform (4-5) fixed connection's first slide (4-4), fix linear electric motor active cell (4-2) on first slide (4-4) and parallel arrangement at frame (1) surface linear electric motor stator (4-1) and feed slide rail (4-3), first slide (4-4) sliding connection is on feeding slide rail (4-3).

2. The printer according to claim 1, wherein the stereo scanner (7) is a photographic three-dimensional scanner.

3. The three-dimensional relief layered ink jet printer according to claim 1 or 2, wherein the ink jet module (5) comprises an ink jet jig plate (5-1) fixed on the lifting module (3) and a plurality of rows of nozzle groups fixed on the ink jet jig plate (5-1), each row of nozzle group comprises a plurality of nozzles (5-2) arranged side by side, and the nozzles (5-2) form an included angle of plus or minus 85 degrees with one side of the ink jet jig plate (5-1).

4. The three-dimensional relief layered ink-jet printer according to claim 3, wherein a plurality of curing lamps (5-3) are fixed on the ink-jet tool plate (5-1) in a plurality of rows of nozzle groups.

5. The three-dimensional relief layered ink-jet printer according to claim 1 or 2, wherein the lifting module (3) comprises 2 symmetrically arranged lifting units, the lifting units comprise a vertical plate (3-2) fixed on the frame (1), a sliding rail (3-3) and a second sliding plate (3-1) slidably connected with the vertical plate (3-2) through the sliding rail (3-3), the second sliding plate (3-1) is provided with a motor mounting plate (3-6) and a bearing seat (3-8), the motor mounting plate (3-6) is fixed with a lead screw integrated motor (3-7), the bearing seat (3-8) is provided with a bearing (3-9), one end of a lead screw of the lead screw integrated motor (3-7) is sleeved in the bearing (3-9), the screw rod of the screw rod integrated motor (3-7) is connected with a screw cap support (3-10) in a threaded mode, the screw cap support (3-10) is fixedly connected with a vertical plate (3-2), side plates (3-5) are fixed to the two sides of the second sliding plate (3-1), top plate supports (3-4) are arranged at the tops of the side plates (3-5) and the second sliding plate (3-1), and the lifting module (3) is fixedly connected with the ink jet module (5) through the side plates (3-5).

6. The three-dimensional relief layered ink jet printer according to claim 5, wherein the second sliding plate (3-1) is provided with 2 distance measuring sensors (3-12), the nut support (3-10) is fixed with a baffle (3-11), and the 2 distance measuring sensors (3-12) are arranged at two ends of the movement stroke of the baffle (3-11).

7. The three-dimensional relief layered ink-jet printer according to claim 5, wherein said hard light curing module (2) comprises said lifting unit, a curing jig plate (2-1) and a hard light curing lamp (2-2) fixed on the curing jig plate (2-1), said curing jig plate (2-1) is fixed at the bottom of the side plate (3-5) of said lifting unit.

8. The printer according to claim 5, wherein the other end of the motor (3-7) is provided with a hand wheel (3-13).