Printing equipment for ink jet printing

The cleaning brush, with its combination of a rotating shaft and spiral blades, smooths the paper surface, while UV ink is cured by an ultraviolet lamp. This solves the problem of uneven paper in inkjet printing equipment, improving printing quality and efficiency.

CN223631239UActive Publication Date: 2025-12-05LANGFANG XINJINGCAI PRINTING PLATE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520304742.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-12-05
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Inkjet printing equipment lacks the function of smoothing and cleaning the printing medium before printing, resulting in an uneven paper surface, affecting the uniformity of ink droplet distribution, and causing a decline in print quality.

Method used

It adopts a combination structure of rotating shaft and spiral blades, with a cleaning brush for smoothing and cleaning the paper surface; combined with ultraviolet lamps to cure UV ink, and through the setting of guide rollers and rewind shaft, it ensures that the printed matter is flat and tightly wound.

Benefits of technology

It improves printing quality, ensures uniform ink droplet distribution, enhances printing efficiency and durability, and guarantees the flatness and tightness of printed materials.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223631239U_ABST
    Figure CN223631239U_ABST
Patent Text Reader

Abstract

The utility model discloses printing equipment for ink jet printing, which comprises an equipment frame, a printing head is movably arranged at the top of the equipment frame, and a driving part for driving the printing head to reciprocate is arranged on one side of the printing head; the printing device comprises an equipment frame, a plurality of first guide rollers and a plurality of second guide rollers, the first guide rollers are arranged in the middle of the equipment frame, the second guide rollers are arranged below the printing head, and an ultraviolet lamp set is installed in the middle of the equipment frame and on one side of each second guide roller and used for irradiating and curing UV ink. Dust and impurities on the surface of the paper can be removed through a cleaning brush, and the printing quality is further improved; a third guide roller is arranged, so that accurate correspondence of the printed matter and the ultraviolet lamp set is ensured, and the curing effect is ensured; the winding shaft is arranged so that printed matter can be conveniently wound after printing is completed, and the pressing roller and the adjusting shaft are arranged in a combined mode and driven by the spring and the air cylinder, so that tightness and smoothness during winding are guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to ink -jet printing technical field, concretely is a kind of printing equipment for ink -jet printing. BACKGROUND

[0002] The ink -jet printing equipment is a kind of printing equipment by nozzle and liquid ink are sprayed to paper or other medium surface. This technology is widely used in from office document printing to large format image printing, even industrial grade product marking and decoration and multiple fields. The core technology of ink -jet printing is to control the ejection of ink using fine nozzle, to realize high-precision and high-quality printing effect. The ink -jet printing equipment does not have the flattening and cleaning function to the printing introduction before printing, so that the paper can have fold, corrugation or uneven place. These irregular surfaces can cause ink droplets to be unevenly distributed during ink -jet printing, resulting in the quality of printed images or text, such as stripes, blur or uneven ink. SUMMARY

[0003] The utility model aims at providing a kind of printing equipment for ink -jet printing, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of printing equipment for ink -jet printing, comprising:

[0005] Device frame, the top of device frame is movably provided with print head, the side of print head is provided with drive part for driving print head reciprocating motion;

[0006] Second guide roller, multiple second guide rollers are arranged below print head, ultraviolet lamp group is installed in the middle of device frame and the side of second guide roller, for irradiation solidification UV ink;

[0007] Leveling part, leveling part is arranged at one end of the middle of device frame, the leveling part includes rotating shaft rotatably arranged in the middle of device frame, two spiral vanes are symmetrically arranged on the outside of rotating shaft, cleaning brush is fixedly connected to the outside of spiral vane along the edge of spiral vane, for flattening and cleaning printing paper to both sides.

[0008] As preferred, the top of the device frame is fixedly connected with a protective cover, the drive part is fixedly connected inside the protective cover, the drive part is a linear module, and the print head is fixedly connected to the moving slide of the linear module.

[0009] As preferred, two guide rollers are rotatably connected to the top and bottom of one end of the device frame, a dust collector is fixedly connected to the side of the guide roller, the rotating shaft is located at one end close to the dust collector, and a motor is fixedly connected to the outside of the device frame to drive the rotating shaft to rotate.

[0010] As preferred, two guide rollers three are arranged at the middle part of the equipment frame and correspond to the position of the ultraviolet lamp group, for supporting the printed matter and corresponding to the ultraviolet lamp group.

[0011] As preferred, a winding shaft is rotatably connected to one side of the middle part of the equipment frame, and a motor two is mounted on the outside of the equipment frame for driving the winding shaft.

[0012] As preferred, an adjusting shaft is rotatably connected to the middle part of the equipment frame, and a pressing roller is rotatably connected to the middle part of the adjusting shaft through a metal plate, and the pressing roller is located on the top of the winding shaft for pressing the wound printed matter.

[0013] As preferred, a linkage plate is fixedly connected to one end of the adjusting shaft, a spring is rotatably connected to the top of the linkage plate, the spring is fixedly connected to the equipment frame, a pneumatic cylinder is rotatably connected to the outside of the equipment frame, and the output end of the motor two is rotatably connected to the linkage plate.

[0014] Compared with the prior art, the beneficial effects of the present application are: the combination of the rotating shaft and the spiral blade not only helps to smooth the paper, but also removes dust and impurities on the surface of the paper through the cleaning brush, further improving the printing quality; the ultraviolet lamp group installed in the middle part of the equipment can quickly solidify the UV ink, improving the printing efficiency and durability, the arrangement of the guide roller three ensures the accurate correspondence of the printed matter and the ultraviolet lamp group, and ensures the curing effect; the arrangement of the winding shaft enables the printed matter to be conveniently wound after printing, and the combination of the pressing roller and the adjusting shaft ensures the tightness and flatness during winding through the driving of the spring and the pneumatic cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the present application;

[0016] Figure 2 is a position structure schematic view of the pneumatic cylinder of the present application;

[0017] Figure 3 is a position structure schematic view of the dust collector of the present application;

[0018] Figure 4 is a structural schematic view of the printed matter winding in the middle part of the equipment frame of the present application;

[0019] Figure 5 is a structural schematic view of the spiral blade of the present application.

[0020] In the figure: 1, equipment rack; 2, protective cover; 3, print head; 4, guide roller one; 5, dust collector; 6, rotating shaft; 7, spiral blade; 8, cleaning brush; 9, guide roller two; 10, ultraviolet lamp group; 11, guide roller three; 12, pressing roller; 13, adjusting shaft; 14, winding shaft; 15, motor one; 16, motor two; 17, spring; 18, linkage plate; 19, air cylinder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figure 1 , 2 , 3, 4, 5, the present application provides a technical scheme: a printing device for inkjet printing, comprising: equipment rack 1, the top of equipment rack 1 is movably provided with print head 3, print head 3 is a thermal bubble inkjet print head, which forms bubbles by heating ink, so that the ink is sprayed from the nozzle to the printing medium, print head 3 is connected with a pump for providing ink for print head and maintaining the fluidity and uniformity of ink, one side of print head 3 is provided with a driving part for driving print head 3 to reciprocate; two guide rollers 9 are arranged and rotatably installed inside equipment rack 1 and below print head 3, which are used to tighten and straighten the printed matter, so as to facilitate print head 3 to perform inkjet treatment, ultraviolet lamp group 10 is installed on one side of guide roller 9 in the middle of equipment rack 1, which is used for irradiation curing UV ink; the leveling part is arranged at one end of the middle of equipment rack 1, the leveling part comprises rotating shaft 6 rotatably arranged in the middle of equipment rack 1, two spiral blades 7 are symmetrically fixed to the outer side of rotating shaft 6, cleaning brush 8 is fixed to the outer side of spiral blade 7 along the edge of spiral blade 7, which is used to smooth and clean the printing paper to both sides.

[0023] It needs to be explained that the paper or other printed matter is first sent into the equipment. The printed matter enters from one end, winds outside the guide roller one 4, passes through the guide roller two 9 and the guide roller three 11, and is finally wound outside the winding shaft 14. In the process of guiding and conveying through the guide roller one 4, the rotation of the rotating shaft drives the spiral blade to rotate, and the rotating action of the spiral blade helps to smooth the paper, ensures that the paper does not bend or wrinkle during printing, and thus ensures the printing quality. The outer side of each spiral blade is fixed with a cleaning brush 8 along the edge, and the brush function is to clean the surface of the paper and remove possible dust, oil stains and other impurities. The cleaning brush ensures that the surface of the paper is free of any contaminants that affect the printing quality before printing, avoids the clogging of the inkjet head or unclear printing, and the cleaned printed matter enters the outside of the guide roller two 9, and the drive part is driven by the mechanical drive to make the print head 3 reciprocate along a certain trajectory. The heating element inside the print head heats the ink, forms bubbles, and when the bubbles rapidly expand, the ink is ejected through the nozzle to the surface of the paper to form fine ink dots, realize the printing of images or characters, and after the inkjet of the print head, the ultraviolet lamp group 10 installed in the middle of the equipment starts to work. The ultraviolet lamp irradiates the just printed UV ink to solidify the ink, and then the solidified printed matter is wound outside the winding shaft 14.

[0024] Please refer to Figure 3 As shown in the figure, the top of the equipment frame 1 is fixed with a protective cover 2, and the drive part is fixed in the inside of the protective cover 2. The drive part is a linear module, and the print head 3 is fixed on the moving slide of the linear module.

[0025] It needs to be explained that the utility model is provided with a controller, the controller is electrically connected with the print head 3 and the linear module, and the print head 3 is fixed on the moving slide of the linear module. The moving slide moves linearly along the track under the drive of the linear module, so as to drive the print head to perform inkjet operation at the required position on the paper. The print head 3 performs continuous inkjet on the surface of the paper, and the position, speed and time of each inkjet are controlled by the drive part and the controller. The protective cover 2 protects the internal components of the equipment and the operator.

[0026] Please refer to Figure 3 As shown in the figure, two guide rollers one 4 are rotatably connected to one end of the inside of the equipment frame 1, one side of the guide roller one 4 is fixedly connected with a dust collector 5, a rotating shaft 6 is located at one end close to the dust collector 5, and the outside of the equipment frame 1 is fixedly connected with a motor one 15 for driving the rotating shaft 6 to rotate.

[0027] It should be noted that the two upper and lower guide rollers 4 of the utility model are used for vertically unfolding the to-be-printed product, the motor 15 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the spiral blade 7 fixedly connected thereto to rotate, the dust collector 5 is arranged in parallel on one side of the to-be-printed product, the dust fan box of the dust collector 5 is used to draw negative pressure, the dust box removes the dust, particulate matter or other impurities possibly existing on the surface of the paper through the suction force of the dust collection pipe, the spiral blade 7 drives the cleaning brush 8 to slide along the surface of the paper, the cleaning brush 8 can gently push the paper to both sides through physical friction and brushing, and helps the paper to be more flat when passing through the area, avoiding bending.

[0028] Please refer to Figure 3 As shown in the figure, the middle part of the equipment rack 1 and the position corresponding to the ultraviolet lamp group 10 are provided with two guide rollers three 11 for supporting the printed product corresponding to the ultraviolet lamp group 10.

[0029] It should be noted that the printed printed product is wound outside the guide roller three 11, and the printed product is tightened through the guide roller two 9 and the guide roller three 11, so that the printed product corresponds to the ultraviolet lamp group 10, and the printed printed product is cured through the ultraviolet lamp group 10.

[0030] Please refer to Figure 3 , 4 , 5, the middle part of the equipment rack 1 is rotatably connected with a winding shaft 14, the outer side of the equipment rack 1 is provided with a motor two 16 for driving the winding shaft 14, the middle part of the equipment rack 1 is rotatably connected with an adjusting shaft 13, the adjusting shaft 13 is rotatably connected with a pressing roller 12 through a metal plate in the middle part, the pressing roller 12 is located at the top of the winding shaft 14, and is used for pressing the wound printed product, one end of the adjusting shaft 13 is fixedly connected with a linkage plate 18, the top of the linkage plate 18 is rotatably connected with a spring 17, the spring 17 is fixedly connected with the equipment rack 1, the outer side of the equipment rack 1 is rotatably connected with an air cylinder 19, and the output end of the motor two 16 is rotatably connected with the linkage plate 18.

[0031] It should be noted that the printed printed product is fixedly connected to the outer side of the winding shaft 14, the motor two 16 drives the winding shaft 14 to rotate, the printed product is wound through the winding shaft 14, during this period, the spring 17 pulls the linkage plate 18 upward, the linkage plate 18 drives the adjusting shaft 13 to rotate, so that the pressing roller 12 is tightly pressed on the top of the winding shaft 14, at this time, the printed product is pressed between the pressing roller 12 and the winding shaft 14, so that the winding is more compact when the winding shaft 14 winds.

[0032] In the description of the utility model, need understanding is, the term "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as a restriction on the utility model.

[0033] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly include at least one of the features.

[0034] In the utility model, unless otherwise expressly provided and limited, the terms "installation", "arrangement", "connection", "fixing", "screw connection" and so on should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise expressly limited, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] Although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A printing apparatus for inkjet printing, characterized by: Include: Device frame (1), the top of the device frame (1) is movably provided with a print head (3), one side of the print head (3) is provided with a drive part for driving the reciprocating motion of the print head (3); The second guide roller (9) is provided with a plurality of guide rollers (9) and is located below the print head (3), the middle of the device frame (1) and one side of the second guide roller (9) is provided with a UV lamp group (10) for irradiation curing UV ink; The leveling part is arranged at one end of the middle of the device frame (1), the leveling part includes a rotating shaft (6) arranged in the middle of the device frame (1), two spiral blades (7) are symmetrically arranged on the outer side of the rotating shaft (6), and a cleaning brush (8) is fixed on the outer side of the spiral blade (7) along the edge of the spiral blade (7), which is used for smoothing and cleaning the printed paper.

2. A printing apparatus for inkjet printing according to claim 1, characterized in that: The top of the device frame (1) is fixed with a protective cover (2), the drive part is fixed in the protective cover (2), the drive part is a linear module, and the print head (3) is fixed on the moving slide of the linear module.

3. A printing apparatus for inkjet printing according to claim 1, characterized in that: One end of the device frame (1) is rotatably connected with two guide rollers (4), one side of the guide roller (4) is fixed with a dust collector (5), the rotating shaft (6) is located at one end close to the dust collector (5), and the outer side of the device frame (1) is fixed with a motor (15) for driving the rotation of the rotating shaft (6).

4. The printing apparatus for inkjet printing according to claim 1, characterized by: The middle of the device frame (1) and the position corresponding to the UV lamp group (10) are provided with two guide rollers (11) for supporting the printed matter corresponding to the UV lamp group (10).

5. The printing apparatus for inkjet printing according to claim 1, characterized by: One side of the middle of the device frame (1) is rotatably connected with a winding shaft (14), and the outer side of the device frame (1) is provided with a motor (16) for driving the winding shaft (14).

6. A printing apparatus for inkjet printing according to claim 5, characterized in that: The middle of the device frame (1) is rotatably connected with an adjusting shaft (13), the middle of the adjusting shaft (13) is rotatably connected with a pressing roller (12) through a metal plate, the pressing roller (12) is located at the top of the winding shaft (14), and the pressing roller (12) is used for pressing the wound printed matter.

7. A printing apparatus for inkjet printing according to claim 6, characterized in that: One end of the adjusting shaft (13) is fixed with a linkage plate (18), the top of the linkage plate (18) is rotatably connected with a spring (17), the spring (17) is fixed with the device frame (1), the outer side of the device frame (1) is rotatably connected with a pneumatic cylinder (19), and the output end of the motor (16) is rotatably connected with the linkage plate (18).