CN211000514U

CN211000514U - Hand-held printer

Info

Publication number: CN211000514U
Application number: CN201921406324.XU
Authority: CN
Inventors: 苏健强; 何永刚
Original assignee: Print Rite Unicorn Image Products Co Ltd
Current assignee: Print Rite Unicorn Image Products Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-07-14
Anticipated expiration: 2029-08-27

Abstract

The utility model provides a handheld printer, handheld printer include printer main part, ink cylinder and ultraviolet source, and the ink cylinder is used for bearing aqueous UV ink, and ink cylinder and ultraviolet source all install on the first wall of printer main part. The hand-held printer is capable of printing on a variety of print media.

Description

Hand-held printer

Technical Field

The utility model belongs to the technical field of handheld printing device and specifically relates to a handheld printer is related to.

Background

The existing handheld printer comprises a printer box body, wherein an accommodating cavity for placing the ink box and a control circuit board which can be opened and closed are arranged in the printer box body, a handle and a mobile power supply are arranged in the handle, the lower end of the printer box body is a printing working end, an ink outlet of the ink box is of a hot bubble nozzle structure, and printing paper is printed through the printing working end; the common pigment or dye ink is adopted for printing, and on special media such as packaging special media, metal, rubber or plastic, the printed pattern cannot be attached to the media for use and is easy to wipe off by hands because the media cannot absorb the water-based ink. In addition, because the ink box product on the handheld printer usually adopts a hot bubble nozzle, the printing head cannot use water-based UV ink, and the ink box is extremely easy to block when using weak solvent ink, so that the problem of printing cannot be caused, the weak solvent ink is not environment-friendly, and meanwhile, the ink box product is difficult to be attached to plastic or packaging paper to realize printing.

Disclosure of Invention

The utility model aims at providing a can be at the handheld printer of multiple print media printing.

In order to achieve the above object, the utility model provides a hand-held printer includes printer main part, ink cylinder and ultraviolet source, and the ink cylinder is used for bearing aqueous UV ink, and ink cylinder and ultraviolet source all install on the first wall of printer main part.

According to the scheme, after the printing medium is coated with the aqueous UV ink layer through the ink roller, the pattern is printed on the aqueous UV ink layer, and the aqueous UV ink contains hydrophilic components, so that the aqueous ink sprayed by the printing head can form the pattern after penetrating into the aqueous UV ink coating, and the pattern is adhered with the aqueous UV ink and cured and molded together through the light curing process. The aqueous UV ink is easier to adhere to materials such as plastics, rubber, metal and the like, and common aqueous pigment ink, aqueous dye ink or aqueous fluorescent ink cannot adhere to the media, so that the problem that the existing aqueous ink pigment ink or aqueous dye ink cannot adhere to the materials such as plastics, rubber, metal and the like is solved.

Preferably, the hand-held printer further comprises an ink cartridge for carrying aqueous pigment ink, aqueous dye ink or aqueous fluorescent ink, the ink cartridge comprising a printhead, the ink cartridge being mounted in the printer body with the printhead extending from the first wall.

Therefore, the hot bubble sprayer using the water-based pigment ink, the water-based dye ink or the water-based fluorescent ink has the advantages of low cost, convenience and environmental friendliness in use, good printing effect and the like, is generally used in paper printing, so that the whole printing is more environment-friendly, the service life of the product is longer, and the cost is lower.

The further proposal is that the number of the ink rollers is at least two, and a plurality of ink rollers are arranged in parallel; the number of the ultraviolet light sources is at least two, the printing head is positioned between two ink rollers, and at least one ultraviolet light source is arranged near each ink roller.

It can be seen that the print head is located between two of the ink rollers so that a user can print by moving in both directions in an upward direction perpendicular to the axis of the ink rollers.

Still further, the extending direction of the ultraviolet light source is parallel to the axial direction of the ink roller.

Therefore, after the ink roller coats the water-based UV ink on the printing medium, the ultraviolet light source can quickly cure the water-based UV ink coating.

Preferably, the hand-held printer further comprises a support roller mounted on the first wall, the support roller being arranged parallel to the ink roller.

Therefore, the supporting roller can support the printer, and the first wall is parallel to the printing medium in the printing process.

The ink roller and the supporting roller are tangent to the first plane, the ink roller, the ultraviolet light source and the supporting roller are located on the same side of the first plane, and the minimum distance between the ultraviolet light source and the first plane is larger than zero.

Further, the outer diameters of the ink roller and the support roller are equal.

Preferably, elastic members are disposed between the ink roller and the printer body and between the ultraviolet light source and the printer body, and the ink roller and the ultraviolet light source are forced to move in a direction perpendicular to the first wall by a restoring force of the elastic members.

Therefore, elastic contact among the ink roller, the ultraviolet light source and the printing medium is ensured.

Drawings

Fig. 1 is a perspective view of a first embodiment of the handheld printer of the present invention.

Fig. 2 is an exploded view of a first embodiment of the hand-held printer of the present invention.

Fig. 3 is a schematic structural diagram of a support and a supporting roller in a first embodiment of the handheld printer of the present invention.

Fig. 4 is a rear view of the first embodiment of the handheld printer of the present invention.

Fig. 5 shows a first printing method of the first embodiment of the handheld printer of the present invention.

Fig. 6 is a cross-sectional view of a print layer printed on a print medium in accordance with a first embodiment of the handheld printer of the present invention.

Fig. 7 is a front view of a print layer printed on a print medium in a first embodiment of the handheld printer of the present invention.

Fig. 8 shows a second printing method of the first embodiment of the handheld printer of the present invention.

Fig. 9 shows a third printing method of the first embodiment of the handheld printer of the present invention.

Fig. 10 shows a second embodiment of the hand-held printer of the present invention.

Fig. 11 shows a third embodiment of the hand-held printer of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

First embodiment of hand-held Printer

Referring to fig. 1 to 4, the hand-held printer includes a printer main body 1, a control circuit board, a handle 2, an ink cartridge 3, two ink rollers 4, two support rollers 5, and two ultraviolet light sources 6. The control circuit board is electrically connected with the chip on the ink box 3 and the ultraviolet light source 6.

The printer main body 1 is approximately in a T shape, the printer main body 1 comprises a roller supporting part 101 and a main body part 102 which are arranged perpendicular to each other, the roller supporting part 101 and the main body part 102 are both approximately in a cuboid shape, the roller supporting part 101 is located on a side wall 1021 of the main body part 102, and the handle 2 is installed on a side wall 1022 of the main body part 102. The handle 2 is internally provided with a power supply 21 for supplying electric energy to the handheld printer, the side wall 1023 of the main body part 102 is provided with a touch screen 13, and patterns to be printed can be input to the handheld printer through the touch screen 13, wherein the patterns can be two-dimensional codes, shapes, characters and the like. The

sidewalls

1021, 1022, and 1023 are perpendicular to each other two by two.

The ink cylinder 4, the ultraviolet light source 6 and the support cylinder 5 are all mounted on the cylinder support 101 and are all located on a side wall 1011 of the cylinder support 101, the side wall 1011 being parallel to the side wall 1021. The side wall 1011 of the drum support 101 serves as a first wall of the printer main body 1, and the side wall 1022 of the main body 102 serves as a second wall of the printer main body 1. Six mounting grooves 111 which are arranged in parallel are formed in the side wall 1011, the two ink rollers 4, the two support rollers 5 and the two ultraviolet light sources 6 are respectively mounted in the six mounting grooves 111, the ultraviolet light sources 6 are arranged close to the ink rollers 4, and at least one ultraviolet light source 6 is arranged near each ink roller 4. The support cylinder 5, the ultraviolet light source 6, the ink cylinder 4, the ultraviolet light source 6, and the support cylinder 5 are arranged in this order on the side wall 1011. The two ink rollers 4 and the two supporting rollers 5 are arranged in parallel, and the extending direction of the ultraviolet light source 6 is parallel to the axial direction of the ink rollers 4.

The outer diameters of the two ink rollers 4 and the two supporting rollers 5 are equal, the central axes of the two ink rollers 4 and the central axes of the two supporting rollers 5 are arranged in a coplanar manner, a plane tangent to the ink rollers 4 and the supporting rollers 5 is a plane P, the ink rollers 4, the ultraviolet light source 6 and the supporting rollers 5 are all located on the same side of the plane P, and the minimum distance d between the ultraviolet light source 6 and the plane P is larger than zero, namely the ultraviolet light source 6 does not intersect with the plane P.

Referring to fig. 2 and 3, both ends of the ink roller 4, both ends of the ultraviolet light source 6, and both ends of the support roller 5 are connected to the printer main body 1 through a U-shaped bracket 94, the bracket 94 includes a guide leg 941 and a guide leg 942 arranged in parallel, and an arc-shaped connecting portion 943 connected between the guide leg 941 and the guide leg 942, the connecting portion 943 is fitted over an end portion of the ink roller 4 or the like, the guide leg 941 and the guide leg 942 each extend in a direction perpendicular to the side wall 1011, a guide opening 944 extending in a direction perpendicular to the side wall 1011 is formed between the guide leg 941 and the guide leg 942, and the ink roller 4 or the like can move in the extending direction of the guide opening 944. One end of the guide leg 941, which is far away from the connecting portion 943, is provided with a limiting portion 945, the limiting portion 945 protrudes outward from the side wall of the guide leg 941, one end of the guide leg 942, which is far away from the connecting portion 943, is provided with a limiting portion 946, and the limiting portion 946 protrudes outward from the side wall of the guide leg 942.

A shading protective cover is arranged outside the ink roller 4, and the ink roller 4 can be shielded and protected when not being printed.

Both ends of each mounting groove 111 are provided with elastic members, preferably, springs, wherein at least two springs 91 are positioned between the ink roller 4 and the bottom wall of the mounting groove 111, at least two springs 92 are positioned between the ultraviolet light source 6 and the bottom wall of the mounting groove 111, and at least two springs 93 are positioned between the support roller 5 and the bottom wall of the mounting groove 111. The restoring force of the elastic member forces the ink roller 4, the ultraviolet light source 6 and the support roller 5 to move in a direction perpendicular to the side wall 1011, thereby ensuring elastic contact between the support roller 5, the ink roller 4, the ultraviolet light source 6 and the printing medium 7 (shown in fig. 6).

Be provided with ink horn holding chamber in the printer main part 1, ink horn 3 installs in ink horn holding intracavity, and ink horn 3 includes ink horn main part 31 and beats printer head 32, and ink horn main part 31 is located ink horn holding intracavity, beats printer head 32 and stretches out from lateral wall 1011, and beats printer head 32 and be located between two ink drum 4. The print head 32 is a thermal bubble jet. The ink box 3 is filled with ink such as water-based pigment ink, water-based dye ink or water-based fluorescent ink, and the ink roller 4 is used for bearing water-based UV ink.

Be provided with flocking felt layer or sponge layer etc. on the periphery wall of ink cylinder 4, the UV ink box is still installed to the ink horn holding intracavity, and the UV ink box intussuseption is filled with aqueous UV ink, is provided with the cotton silver that absorbs water in the UV ink box, and the first end of cotton silver that absorbs water is arranged in aqueous UV ink, and the second end of cotton silver that absorbs water adjoins with the periphery wall of ink cylinder 4, and the cotton silver that absorbs water is used for attracting ink cylinder 4 in the UV ink box.

Referring to fig. 2, 5 to 7, a first printing method of the hand-held printer includes the following steps.

First, a pattern input step S1 inputs a printed pattern through a touch screen.

Next, in a bottom layer printing step S2, the handle 2 holding the hand printer is moved in the horizontal plane in the first direction in which the ink roll 4 and the ultraviolet light source 6 on the downstream side of the print head 32 are operated and the ink roll 4 and the ultraviolet light source 6 on the upstream side of the print head 32 are not operated. The ink roller 4 coats the aqueous UV ink on the printing medium 7, as shown in fig. 6, to form an aqueous UV ink layer 81 as a bottom layer.

Next, a pattern layer printing step S3 is performed to spray aqueous pigment ink, aqueous dye ink, or aqueous fluorescent ink on the aqueous UV ink layer 81 to form a pattern layer 82.

Next, in a curing step S4, the ultraviolet light source 6 is turned on to cure the print layer 8 on the print medium 7.

Referring to fig. 8, in the second printing method of the handheld printer, the pattern input step S1 and the bottom layer printing step S2 are the same as those of the first printing method, and after the bottom layer printing step S2, a curing step S31 is performed, the aqueous UV ink layer 81 is cured, and then a pattern layer printing step S41 is performed, and an aqueous pigment ink, an aqueous dye ink, or an aqueous fluorescent ink is sprayed on the cured aqueous UV ink layer 81 to form the pattern layer 82.

Referring to fig. 9, the third printing method of the handheld printer further includes a print surface layer step S5, and the print surface layer step S5 is after the print pattern layer step S3 and the curing step S4. The print surface layer step S5 includes: after the pattern layer 82 is cured, a transparent aqueous UV ink is applied on the pattern layer 82 with the ink roller 4. So that the pattern is more firmly attached to the printing medium 7 and has better visual effect.

When the ink in the ink cartridge 3 is black, the color of the aqueous UV ink on the ink roller 24 may be other colors that are not black and that are easy to make the black ink present a pattern, such as black characters with blue background, black characters with red background, or black characters with white background, etc. When the ink in the same cartridge 3 is colored, the color of the aqueous UV ink on the ink roller 24 is light-colored, white, or colorless aqueous UV ink, and when white aqueous UV ink is selected, a red character with white background, a blue character with white background, a yellow character with white background, a black character with white background, or the like can be printed.

In this embodiment, the supporting roller 5 may not be provided, and the supporting roller 5 plays a role of auxiliary support, and even if the supporting roller 5 is not provided, the two ink rollers 24 may ensure that the side walls 1011 are parallel to the printing medium 7 during the printing process, thereby ensuring the printing effect.

Second embodiment of hand-held Printer

As a description of the second embodiment of the hand-held printer of the present invention, only the differences from the first embodiment of the hand-held printer will be described below.

Referring to fig. 10, in the present embodiment, the number of the ink drum 24, the support drum 25, and the ultraviolet light source 26 is one, and the print head 232 and the ultraviolet light source 26 are respectively disposed on both sides of the ink drum 24, and are sequentially arranged on the side wall 2011 of the drum support 201 in the order of the support drum 25, the ultraviolet light source 26, and the ink drum 24.

Third embodiment of a hand-held Printer and printing method thereof

As a description of the third embodiment of the hand-held printer of the present invention, only the differences from the first embodiment of the hand-held printer will be described below.

Referring to fig. 11, in this embodiment, no ink cartridge is provided in the handheld printer. When printing, the hand-held printer only prints the bottom layer formed by the water-based UV ink layer, and after curing, the other hand-held printer prints the pattern layer.

In addition, a traction device can be arranged on the printer main body and connected with the second end of the absorbent cotton strip, and the traction device can move along the axial direction of the ink roller, so that the water-based UV ink layers with different widths can be printed according to actual requirements.

The perisporium of ink cylinder also can be provided with so that the aqueous UV ink in the UV ink box distributes the sepage through-hole on flocking felt layer or sponge layer, is provided with the inlet pipe in the ink cylinder, is provided with the material export on the perisporium of inlet pipe, inlet pipe and UV ink box intercommunication, and aqueous UV ink enters into the ink cylinder from the material export through the inlet pipe to from sepage through-hole entering flocking felt layer or sponge layer. The above changes also enable the object of the present invention to be achieved.

Therefore, after the printing medium is coated with the aqueous UV ink layer through the ink roller, the pattern is printed on the aqueous UV ink layer, and the aqueous UV ink sprayed by the printing head forms the pattern after penetrating into the aqueous UV ink coating due to the hydrophilic component contained in the aqueous UV ink, and the pattern is cured and formed together with the aqueous UV ink in a light curing process. The aqueous UV ink is easier to adhere to materials such as plastics, rubber, metal and the like, and common aqueous pigment ink, aqueous dye ink or aqueous fluorescent ink cannot adhere to the media, so that the problem that the existing aqueous ink pigment ink or aqueous dye ink cannot adhere to the materials such as plastics, rubber, metal and the like is solved.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims

1. A hand-held printer including a printer body;

the method is characterized in that:

the handheld printer further comprises an ink roller and an ultraviolet light source, the ink roller is used for bearing water-based UV ink, and the ink roller and the ultraviolet light source are both installed on the first wall of the printer main body.

2. The hand-held printer of claim 1, wherein:

the handheld printer further comprises an ink cartridge for carrying aqueous pigment ink, aqueous dye ink or aqueous fluorescent ink, the ink cartridge comprising a print head, the ink cartridge being mounted within the printer body, the print head extending from the first wall.

3. The hand-held printer of claim 2, wherein:

the number of the ink rollers is at least two, and the ink rollers are arranged in parallel;

the number of the ultraviolet light sources is at least two, the printing head is positioned between two of the ink rollers, and at least one ultraviolet light source is arranged near each ink roller.

4. The hand-held printer of claim 3, wherein:

the extending direction of the ultraviolet light source is parallel to the axial direction of the ink roller.

5. The hand-held printer according to any one of claims 1 to 4, wherein:

the handheld printer further includes a support roller mounted on the first wall, the support roller being disposed parallel to the ink roller.

6. The hand-held printer of claim 5, wherein:

the ink roller and the supporting roller are tangent to a first plane, the ink roller, the ultraviolet light source and the supporting roller are located on the same side of the first plane, and the minimum distance between the ultraviolet light source and the first plane is larger than zero.

7. The hand-held printer of claim 6, wherein:

the outer diameters of the ink roller and the supporting roller are equal.

8. The hand-held printer according to any one of claims 1 to 4, wherein:

elastic pieces are arranged between the ink roller and the printer body and between the ultraviolet light source and the printer body, and the ink roller and the ultraviolet light source are forced to move along the direction perpendicular to the first wall by the restoring force of the elastic pieces.