CN219523420U

CN219523420U - Label printer

Info

Publication number: CN219523420U
Application number: CN202320598977.2U
Authority: CN
Inventors: 柳雄; 周鹏
Original assignee: Wuhan Jingchen Wisdom Logo Technology Co ltd
Current assignee: Wuhan Jingchen Wisdom Logo Technology Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-15
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a label printer which comprises a main body support, a paper tearing knife base, a paper tearing knife and a circuit board, wherein the main body support and the paper tearing knife comprise conductive parts, the paper tearing knife base is arranged on the main body support, the paper tearing knife is arranged on the paper tearing knife base, the conductive parts of the paper tearing knife are electrically connected with the conductive parts of the main body support, the circuit board comprises a discharge circuit, and the conductive parts of the main body support are electrically connected with the discharge circuit. The utility model transmits the static electricity generated on the label paper to the discharge circuit through the conductive part of the paper tearing knife and the conductive part of the main body bracket, and can effectively eliminate the static electricity generated by paper feeding friction and avoid damaging the label printer assembly.

Description

Label printer

Technical Field

The utility model belongs to the field of printers, and particularly relates to a label printer.

Background

The label refers to the literal, graphic and symbol on the product and all the explanatory matters. The label is widely applied to the scenes of super-retail business, industrial production, express delivery, clothing, office management and the like, such as price labels, product description labels, shelf labels, bar code labels, clothing labels, document labels, file storage labels, various articles, stationery labels, express delivery face sheets and the like. The user may print the label using a label printer. In the printing process, static electricity is generated due to paper feeding friction of the label printer, and the generated static electricity can damage components such as a printing head, a control circuit board and the like, so that the components cannot work normally.

Disclosure of Invention

In order to meet the above defects or improvement demands of the prior art, the utility model provides a label printer which can effectively eliminate static electricity generated by paper feeding friction and avoid damaging a label printer assembly.

In order to achieve the above object, the utility model provides a label printer, which comprises a main body support, a paper tearing knife base, a paper tearing knife and a circuit board, wherein the main body support and the paper tearing knife comprise conductive parts, the paper tearing knife base is arranged on the main body support, the paper tearing knife is arranged on the paper tearing knife base, the conductive parts of the paper tearing knife are electrically connected with the conductive parts of the main body support, the circuit board comprises a discharge circuit, and the conductive parts of the main body support are electrically connected with the discharge circuit.

Further, the paper tearing knife base is provided with a through hole, the paper tearing knife comprises an elastic conductive component, and the elastic conductive component passes through the through hole and abuts against the conductive part of the main body support.

Further, the elastic conductive component is an elastic metal sheet.

Further, the label printer further comprises a printing head module, and the printing head module is electrically connected with the conductive part of the main body support.

Further, the print head module comprises a print head and a print head bracket, wherein the print head is mounted on the print head bracket and is electrically connected with the print head bracket, and the print head bracket is electrically connected with the conductive part of the main body bracket.

Further, the print head bracket comprises a metal rotating shaft, and the metal rotating shaft is rotatably arranged on the main body bracket and is electrically connected with the conductive part of the main body bracket.

Further, the conductive portion of the main body holder is in direct contact with the circuit board.

Further, the main body support is provided with a plurality of protrusions and a plurality of grooves, and the paper tearing knife base is provided with a clamping part matched with the protrusions and the grooves.

Further, the discharge circuit is a ground line.

Further, the label printer further comprises a bendable metal sheet, one end of the bendable metal sheet is electrically connected with the printing head, and the other end of the bendable metal sheet is electrically connected with the discharging circuit.

In general, compared with the prior art, the technical scheme of the utility model has the advantages that static electricity generated on the label paper is transferred to the conductive part of the main body bracket through the conductive part of the paper tearing knife, and then is transferred to the discharge circuit through the conductive part of the main body bracket, so that the static electricity generated by paper feeding friction can be effectively eliminated, and damage to a label printer assembly is avoided.

Drawings

Fig. 1 is a top view of a label printer of the present embodiment;

FIG. 2 is a top view of the paper knife of the present embodiment;

FIG. 3 is a top view of the label printer of the present embodiment with the paper tearing knife removed;

fig. 4 is a side view of the label printer of the present embodiment;

fig. 5 is a schematic diagram of a printhead module according to the present embodiment.

In all figures, the same reference numerals are used to denote the same elements or structures, wherein 1, the body support; 2. paper tearing knife base; 3. a paper tearing knife; 4. a circuit board; 5. a through hole; 6. an elastic conductive component; 7. a print head; 8. a printhead carriage; 9. a metal rotating shaft; 10. the sheet metal can be bent.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 5, an embodiment of the present utility model provides a label printer, which includes a main body support 1, a paper tearing knife base 2, a paper tearing knife 3 and a circuit board 4, wherein the main body support 1 and the paper tearing knife 3 each include a conductive portion, the paper tearing knife base 2 is mounted on the main body support 1, the paper tearing knife 3 is mounted on the paper tearing knife base 2, the conductive portion of the paper tearing knife 3 is electrically connected with the conductive portion of the main body support 1, and the circuit board 4 includes a discharge circuit, and the conductive portion of the main body support 1 is electrically connected with the discharge circuit.

The main body bracket 1 is a main body structure of the label printer, and other components of the label printer may be directly or indirectly mounted on the main body bracket. The main body bracket 1 can be a plurality of metal plates, the metal plates can be fixed by bolts, and the bolts can also play a role in electric connection.

In the above embodiment, the static electricity generated on the label paper is transferred to the conductive part of the main body bracket 1 through the conductive part of the paper tearing knife 3, and then transferred to the discharge circuit through the conductive part of the main body bracket 1, so that the static electricity generated by paper feeding friction can be effectively eliminated, and damage to the label printer assembly is avoided.

The paper tearing knife 3 and the main body support 1 can be made of conductive materials integrally and integrally serve as a conductive part. The paper tearing knife 3 and the main body support 1 may be made of a conductive material, and the conductive material may be used as a conductive portion.

Further, the paper tearing knife base 2 is provided with a through hole 5, the paper tearing knife 3 comprises an elastic conductive component 6, and the elastic conductive component 6 passes through the through hole 5 to abut against the conductive part of the main body support 1.

The elastic conductive component 6 is propped against the conductive part of the main body support 1 and can deform under the pressure action of the main body support 1, so that the elastic conductive component 6 is in close contact with the conductive part of the main body support 1, and the stability of electrostatic conduction is improved.

Further, the elastic conductive component 6 is an elastic metal sheet.

Further, the label printer further includes a print head module electrically connected to the conductive portion of the main body holder 1.

If the label printer is a thermal printer, static electricity generated on label paper can be transferred to the conductive part of the main body support 1 through the printing head module, and then transferred to the discharge circuit through the conductive part of the main body support 1, so that the effect of eliminating the static electricity is achieved.

If the label printer is a thermal transfer printer, static electricity can be generated due to friction between the carbon tape and the printing head, the static electricity on the carbon tape can be transferred to the conductive part of the main body support 1 through the printing head module, and then transferred to the discharging circuit through the conductive part of the main body support 1, so that the effect of eliminating the static electricity is achieved.

Further, the print head module comprises a print head 7 and a print head bracket 8, the print head 7 is mounted on the print head bracket 8 and is electrically connected with the print head bracket 8, and the print head bracket 8 is electrically connected with the conductive part of the main body bracket 1.

Further, the print head holder 8 includes a metal shaft 9, and the metal shaft 9 is rotatably disposed on the main body holder 1 and electrically connected to the conductive portion of the main body holder 1. In one embodiment, the main body support 1 may be made of metal, and the main body support 1 is provided with a through hole, and the metal rotating shaft 9 passes through the through hole and contacts with the inner wall of the through hole.

Further, the label printer further comprises a bendable metal sheet 10, one end of the bendable metal sheet 10 is electrically connected with the printing head, and the other end of the bendable metal sheet 10 is electrically connected with the discharging circuit.

Further, the conductive part of the main body holder 1 is in direct contact with the circuit board 4, static electricity is transferred to the circuit board 4 through the conductive part of the main body holder 1, and discharged through a discharge circuit of the circuit board 4.

Further, the main body support 1 is provided with a plurality of protrusions and a plurality of grooves, and the paper tearing knife base 2 is provided with a clamping part matched with the protrusions and the grooves.

Further, the discharge circuit is a ground line.

Further, it will be readily understood by those skilled in the art that the foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, and improvements made within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims

1. The utility model provides a label printer, its characterized in that includes the main part support, tears paper sword base, tears paper sword and circuit board, the main part support with it all includes electrically conductive portion to tear paper sword, tear paper sword base install in the main part support, tear paper sword install in tear paper sword base, tear paper sword electrically conductive portion with the electrically conductive portion electricity of main part support is connected, the circuit board includes discharge circuit, the electrically conductive portion of main part support with the discharge circuit electricity is connected.

2. The label printer as in claim 1, wherein said tear blade base is provided with a through hole, said tear blade including an elastic conductive element passing through said through hole against a conductive portion of said body support.

3. The label printer as in claim 2, wherein said resilient conductive member is a resilient metal sheet.

4. The label printer as in claim 1, further comprising a printhead module, the printhead module being electrically connected to the conductive portion of the body mount.

5. The label printer as in claim 4, wherein the printhead module comprises a printhead and a printhead carrier, the printhead being mounted to and electrically connected with the printhead carrier, the printhead carrier being electrically connected with the conductive portion of the main body carrier.

6. The label printer as in claim 5, wherein the printhead carrier comprises a metal shaft rotatably disposed on the main body carrier and electrically connected to the conductive portion of the main body carrier.

7. The label printer as in claim 1, wherein the conductive portion of the body support is in direct contact with the circuit board.

8. The label printer as in claim 1, wherein said main body support is provided with a plurality of protrusions and a plurality of recesses, and said paper-tearing knife base is provided with a snap-fit portion matching said protrusions and said recesses.

9. The label printer as in claim 1, wherein said discharge circuit is ground.

10. The label printer as in claim 5, further comprising a flexible metal sheet, one end of the flexible metal sheet being electrically connected to the printhead, the other end of the flexible metal sheet being electrically connected to the discharge circuit.