CN110091617B

CN110091617B - Printer and printing method

Info

Publication number: CN110091617B
Application number: CN201810094931.0A
Authority: CN
Inventors: 霍云翔
Original assignee: K Marking Electronic Technology Shanghai Co ltd
Current assignee: Kaima Electronic Technology (Shanghai) Co., Ltd.
Priority date: 2018-01-31
Filing date: 2018-01-31
Publication date: 2021-06-15
Anticipated expiration: 2038-01-31
Also published as: CN110091617A

Abstract

The invention discloses a printer, which comprises an outer shell, an inner frame and a paper guide plate, wherein the outer shell is divided into an upper shell cover and a lower shell cover; soft rubber components are arranged on two sides of the upper cover of the shell, and the soft rubber components are higher than other parts of the upper cover of the shell; the other parts of the upper cover of the shell are made of plastics; the surface of one side of the paper outlet of the paper guide plate is provided with a bulge, and the paper guide plate is detachably fixed at the front end of the inner frame. The paper feeding device is simple in structure, light in weight, smooth in paper feeding and more suitable for severe environments.

Description

Printer and printing method

Technical Field

The present invention relates to a printer.

Background

In the prior label printer, when paper (printed medium) is conveyed, the printed label medium is generally a self-adhesive label, so that a paper outlet of the label printer is larger in frictional contact surface with the self-adhesive label and is continuously contacted with the self-adhesive label, glue of the self-adhesive label is often adhered to a paper guide plate of the paper outlet of the label printer, and after the label printer is used for a period of time, paper feeding is not smooth, so that the printing effect is influenced. In addition, because there is naked empty between printer core and mainboard, various accurate components and parts on the printer mainboard are exposed to the outside, are unfavorable for dustproof and antistatic to the mainboard, easily lead to the damage of components and parts for a long time.

The printer used as a necessary tool for construction is usually applied to the application environment that constructors print labels at any time on engineering sites, the application environment is severe, and generally the constructors cannot take the labels lightly. Most of the existing label printers adopt pure plastic materials as shells, and no shock absorption and falling prevention device is arranged, so that the shock absorption and falling prevention functions cannot be achieved, and the printers are easy to damage.

In addition, the dust is large due to the fact that on-site fine sand breaking and construction impurities are more. Although the existing printer is provided with a shell, because the gears are completely exposed inside and lubricating oil is smeared between the gears, impurities or dust easily enter and adhere to the gear part of the printer, the gear is clamped during transmission, and the printer cannot normally work. In addition, because the gear exposes, so cause driven noise great, user experience is not good.

Therefore, there is a strong need in the art to develop a printer that is smooth in paper feeding and suitable for use in harsh environments.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a printer in which a structure of a paper guide plate and a housing is improved so that paper feeding is smooth, the printer is more suitable for a severe environment, and the printer is safe and portable.

The invention aims to be realized by the following technical scheme:

in a first aspect of the present invention, there is provided a printer comprising an outer housing divided into an upper housing cover and a lower housing cover, an inner frame, and a paper guide plate; soft rubber components are arranged on two sides of the upper cover of the shell, and the soft rubber components are higher than other parts of the upper cover of the shell; the other parts of the upper cover of the shell are made of plastics; the surface of one side of the paper outlet of the paper guide plate is provided with a bulge, and the paper guide plate is detachably fixed at the front end of the inner frame.

The upper cover of the shell is of an integrally formed structure.

The soft rubber component is provided with spaced lugs.

The convex block is rectangular, square or circular arc.

The soft rubber component is provided with spaced lugs.

The bulges are distributed at intervals of a plurality of ribs.

The ribs are uniformly distributed.

The bulges are scattered on the surface of one side of the paper outlet of the paper guide plate in a point shape.

The bulges are uniformly distributed.

The other side of the paper guide plate extends to form a dust guard, and the dust guard and the front end of the inner frame of the printer form a closed space.

The paper guide plate is of an integrally formed structure.

The two ends of the paper guide plate, which are connected with the inner frame, are provided with salient points, the inner frame is provided with mounting holes corresponding to the positions, the paper guide plate is connected with the inner frame in a clamping manner, the front end of the inner frame is fixed with a metal shaft, and the bottom of the paper guide plate is coated with the metal shaft.

One side of the inner frame is provided with a gear set, and the gear set is provided with a dustproof cover; the dust cover is detachably fixed on the inner frame.

The dustproof cover is clamped with the inner frame.

The dustproof cover is provided with a plurality of bulges, and the inner frame is provided with a clamping groove at a corresponding position.

The dust cover is fixed on the inner frame through a fastener.

The paper guide plate is of an integrally formed structure and is clamped with the inner frame.

The invention has the advantages that the paper guide plate and the shell structure are improved on the printer core, and the bulge design such as rib or convex point design is added at the paper outlet of the paper guide plate component, so that the friction force and the contact area between the self-adhesive label and the paper outlet are reduced, the adhesion of the label glue is avoided, the working efficiency of the printer is improved, the failure rate is reduced, and the service time is prolonged. The extension design of dust guard can avoid the mainboard because of exposing the damage risk that causes, plays dustproof and isolation effect to reduce the noise.

The shell upper cover adopts the design of flexible glue, and the shell upper cover one shot forming of flexible glue part and other parts has saved the mould cost to the precision is higher, easily makes, and the batch production cost in later stage has obvious reduction, and the preparation is convenient. In addition, a soft rubber bulge higher than the quick-wear part is arranged above the soft rubber material, and the separated design of the bulge rectangular block in a specific product can disperse the external force, so that the damping and buffering effect is greatly improved. In addition, the gear set is covered with a dustproof cover, can be disassembled and dustproof, and is convenient to disassemble during maintenance or repair.

Drawings

Fig. 1 is a schematic view of the structure of the inner frame of the former printer.

FIG. 2 is a schematic view showing the structure of the inner frame of the printer of the present invention.

FIG. 3 is a schematic view of the dust cover of the printer according to the present invention.

Fig. 4 is a schematic structural view of a paper guide plate.

Fig. 5 is an assembly schematic of the inner frame of the printer of the present invention.

Fig. 6 is a schematic plan view of a surface projection of a paper guide plate according to the present invention.

Fig. 7 is a schematic structural view of another paper guide plate.

Fig. 8 is a schematic structural view of a printer housing.

Fig. 9 is a schematic plan view of a bump of the soft plastic component of the printer.

Fig. 10 is another schematic plan view of the soft gum component bump of the present invention.

1. An upper cover of the shell; 11. a soft rubber component; 12. (ii) other moieties; 111. a rectangular bump; 112. a circular arc-shaped projection; 113. a circular arc-shaped projection; 3. an inner frame; 31. a card slot; 32. mounting holes; 4. a gear set; 5. a paper guide plate; 51. a surface on the side of the paper outlet; 52. a dust-proof plate; 53. salient points; 511. bumps (ribs); 512. a protrusion; 513. a protrusion; 6. a dust cover; 61. a protrusion; 7. a paper outlet; 8. when the current is not available; 9. a metal shaft.

Detailed Description

The printer structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, in the conventional printer, the printer casing is provided with an upper cover and a lower cover, and no other covering is provided between the inner frame 3 and the casing. If no dust cover is arranged outside the gear set 4, the noise is high, and dust or sundries are easy to enter the gear set. In addition, at the paper outlet, when the adhesive label is printed, the glue of the label is easy to be adhered to the paper guide plate (generally made of metal) at the paper outlet 7, and the front end of the inner frame is basically open. The core and the main board are exposed to the air 8, so that foreign matters can easily enter the main board.

Therefore, the printer of the present invention improves the structures of the paper guide 5 and the housing upper cover 1, and adds the protrusion design 512 at the paper outlet 51 of the paper guide, which can effectively prevent the label glue from adhering to the paper guide, specifically see fig. 2, where the protrusions are not uniformly distributed. Extend design dust guard 52 at the opposite side of paper guide, can form airtight space with internal frame 3 front end to increase the one deck protective layer in the shell, shelter from the direct exposed empty of core and mainboard and work as, play to shelter from dustproof effect to the mainboard.

In another embodiment, the paper outlet of the paper guide 5 is protruded with uniformly arranged convex points on one side, as shown in fig. 6. A uniform array of protrusions, such as ribs 511, shown in fig. 7, may also be provided.

The preceding paper guide plate is stainless steel or other metal materials, and in order to lighten the mass, the preparation of being convenient for in this embodiment adopts plastics preparation integrated into one piece's paper guide plate. Two convex points 53 are arranged at two ends (the longitudinal direction, namely the two ends of the paper guide plate connected with the inner frame), and the convex points 53 are in convex-concave connection, namely clamping connection, with the corresponding mounting holes 32 of the metal inner frame. In addition, the bottom of the paper guide plate is provided with a groove which corresponds to the metal shaft 9 and can wrap the metal shaft 9, so that the paper guide plate is more stably and detachably fixed on the inner frame. Therefore, the guide plate is more convenient and faster to disassemble.

As shown in fig. 8, the printer housing upper cover 1 is divided into a soft rubber component 11 and other parts 12, the soft rubber component is made of a soft rubber material, and the soft rubber component and other parts of the machine plastic upper cover are formed in one step. The soft rubber component is provided with (shown in the figure) soft rubber rectangular lugs 111 which are higher than other parts of the upper cover of the printer shell, and the soft rubber rectangular lugs are arranged at intervals in a dispersing way and are uniformly distributed.

The flexible glue rectangular convex block can be a whole block, is better, and like the interval or continuous convex block shown in fig. 8, 9 and 10, the flexible glue rectangular convex block can play a better role in dispersing external force, has the functions of shock absorption and falling prevention, can play a better protection role in the easily damaged part of the core movement in the upper cover, and prolongs the service life of the label printer. Is particularly suitable for use sites with severe environment, such as construction sites and the like.

Of course, the shape of the bump may be changed variously, and may also be a square or circular arc, and the circular arc may be the shape shown as the bump 112 in fig. 9 or the bump 113 in fig. 10.

As shown in fig. 3 and 5, the printer is internally provided with an inner frame 3, one side of the inner frame 3 is provided with a gear set 4, and the gear set 4 is further provided with a detachable dust cover 6. The dustproof cover covers the gear set, can prevent dust, and is convenient to detach during maintenance.

The dust cover 6 is provided with a plurality of protrusions 61, and the inner frame 3 is provided with a clamping groove 31 at a corresponding position. The protrusions on the dust cover are matched with the clamping grooves, so that the dust cover can be detachably fixed on the inner frame.

In another embodiment, the dust cap may also be fixed to the inner frame by screws.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.

Claims

1. A printer, characterized in that the printer comprises an outer shell, an inner frame and a paper guide plate, wherein the outer shell is divided into an upper shell cover and a lower shell cover; soft rubber components are arranged on two sides of the upper cover of the shell, and the soft rubber components are higher than other parts of the upper cover of the shell; the other parts of the upper cover of the shell are made of plastics; the utility model discloses a printer, including leading cardboard exit slot, leading cardboard detachably fixes at the internal frame front end, the protruding a plurality of ribs interval distribution that form, rib evenly distributed, the extension of leading cardboard opposite side has the dust guard, dust guard and printer internal frame front end form enclosure space.

2. The printer of claim 1 wherein said housing cover is of unitary construction.

3. The printer of claim 1, wherein spaced bumps are provided on the soft plastic member.

4. The printer of claim 3, wherein the projection is rectangular, square or circular.

5. The printer of claim 2, wherein spaced bumps are provided on the soft plastic member.

6. The printer according to any one of claims 1 to 5, wherein the projections are dispersed in dot shapes on the surface on the sheet discharge port side of the sheet guide.

7. The printer of claim 1, wherein the paper guide is of one-piece construction.

8. The printer as claimed in claim 1, wherein the paper guide plate has protruding points at two ends thereof, the inner frame has mounting holes corresponding to the positions of the inner frame, the paper guide plate is connected with the inner frame in a snap-fit manner, a metal shaft is fixed at the front end of the inner frame, and the metal shaft is wrapped at the bottom of the paper guide plate.

9. The printer as claimed in claim 1, wherein the paper guide plate has protruding points at two ends thereof, the inner frame has mounting holes corresponding to the positions of the inner frame, the paper guide plate is connected with the inner frame in a snap-fit manner, a metal shaft is fixed at the front end of the inner frame, and the metal shaft is wrapped at the bottom of the paper guide plate.

10. The printer of claim 8 or 9, wherein a gear train is provided on one side of the inner frame, and a dust cap is provided on the gear train; the dust cover is detachably fixed on the inner frame.

11. The printer of claim 10, wherein the dust cover is snap-fit to the inner frame.

12. The printer of claim 11, wherein said dust cap has a plurality of protrusions and said inner frame has a plurality of notches at corresponding positions on said inner frame.

13. A printer according to claim 10, wherein the dust cover (6) is secured to the inner frame (3) by fasteners.

14. Printer according to any of claims 1-5, 8 or 9 characterised in that the guide plate (5) is of one-piece construction, the guide plate (5) being snap-fitted to the inner frame (3).