WO2011116515A1

WO2011116515A1 - Portable printer and manual paper cutter thereof

Info

Publication number: WO2011116515A1
Application number: PCT/CN2010/071212
Authority: WO
Inventors: 赵森兵; 吕高仁
Original assignee: 深圳市博思得科技发展有限公司
Priority date: 2010-03-23
Filing date: 2010-03-23
Publication date: 2011-09-29

Abstract

A portable printer and manual paper cutter thereof are provided. The manual paper cutter comprises a lower blade (4) and an upper blade (5) which are coaxially pivoted. The first end of the upper blade (5) is rotatablely mounted on the lower blade (4) via a shaft (21). The knife edge of the upper blade (5) consists of a first side knife edge (51) and a second side knife edge (52) which are continuous, and the both edges of the upper blade (5) form an inverted v-shape integrally. The manual paper cutter has a simple structure, the blades can be adjusted conveniently, and the upper blade and the lower blade engage tightly, so the paper can be cut uniformly and smoothly. Furthermore, it is convenient to cut because the manual paper cutter has a large cutting angle and the movement distance of the handle is short.

Description

[Name of invention made by ISA according to Rule 37.2] Portable printer and its manual paper cutter

Technical field

The present invention relates to the field of printer technology, and in particular to a manual paper cutter and a portable printer having the manual paper cutter.

Background technique

Portable printers are devices for printing on labels, such as text, numbers, barcodes, graphics, and the like. The device typically includes a printhead, drive mechanism, control board with microprocessor, function keyboard, LED status indicators, and LCD display unit. The label media used in the printer is usually a package structure, and the printed labels are taken in a manner of tearing and cutting. Tearing off can cause the edges of the label to be out of order. The existing label cutting technology is divided into electric and manual methods. The biggest feature of portable printers is that they are battery-driven and easy to carry, so power saving and small size are the most important. The manual cutter of the label printer provided by the prior art has a complicated structure, and the blade is inconvenient to adjust, and the combination of the upper blade and the lower blade is not tight, resulting in uneven or unsmooth cutting when cutting the printing paper. In addition, in the prior art, The manual cutter has a small cutting angle or a large movement distance of the handle, which is inconvenient to cut.

Summary of the invention

The technical problem to be solved by the present invention is to solve the above problems in the prior art, and to provide a portable printer with a manual paper cutter and a manual paper cutter thereof, which can be easily adjusted, and two blades can be easily adjusted. It is easy to combine and cut.

The above technical problem of the present invention is solved by constructing a manual cutter for a portable printer for cutting a printing paper, the manual cutter comprising a coaxially pivoted lower blade and an upper blade, the upper blade The first end is rotatably mounted on the lower blade by a rotating shaft, wherein the upper blade edge comprises a continuous first side cutting edge and a second side cutting edge, so that the cutting edge of the upper blade is integrally inverted V type.

Preferably, when the end of the second side cutting edge 52 away from the rotating shaft 21 moves to the cutting edge of the lower blade 4, the

cutting edges

51, 52 of the inverted V-shaped upper blade 5 are respectively The angle of the lower blade 4 blade is greater than 9° and less than 90°.

Preferably, the first side cutting edge and the second side cutting edge are connected in an inverted V-shape or an inverted U-shaped connection.

Preferably, the second end of the upper blade 5 is fixedly provided with a handle bar 19, and a handle 20 is disposed at an end of the handle bar 19.

Preferably, a pressing shaft 16 is disposed between the upper blade 5 and the lower blade 4, and an end of the pressing shaft 16 exposing the outer side of the upper blade 5 is sleeved with a compression spring 18, and the top end of the pressing shaft 16 A circlip 17 is disposed on the outer side of the compression spring 18.

Preferably, a reset device for resetting the upper blade 5 is disposed between the lower blade 4 and the upper blade 5.

Preferably, the resetting device comprises a torsion spring 14, the first end of the torsion spring 14 is fixed on the lower blade 4, and the second end of the torsion spring 14 is embedded in the through hole of the upper blade 5.

The present invention also provides a portable printer with a manual paper cutter comprising the manual paper cutter of any of the above aspects, the manual paper cutter being fixedly mounted in the printer apparatus.

The portable printer and the manual paper cutter provided by the invention have the advantages of simple structure, convenient adjustment of the blade, tight combination of the upper blade and the lower blade, and uniform and smooth cutting when cutting the printing paper, and the manual paper cutter The cutting angle is large, and the handle has a short moving distance, which is convenient for cutting.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is an exploded view of a portable printer according to an embodiment of the present invention;

2 is a cross-sectional view of a portable printer core according to an embodiment of the present invention;

3 is a perspective view of a portable printer core according to an embodiment of the present invention;

4 is an exploded view of a manual paper cutter provided by an embodiment of the present invention;

Figure 5 is an assembled view of a manual paper cutter provided by an embodiment of the present invention;

Figure 6 is an assembled view (blade enlarged view) of the manual paper cutter provided by the embodiment of the present invention.

detailed description

The labels in the respective figures are collectively described as follows: 1 is: upper cover; 2 is: first screw; 3 is: second screw; 4 is: lower blade; 5 is: upper blade; 6 is: rubber roller; Carbon ribbon; 8 is: printing paper; 9 is: ribbon recovery end; 10 is: print head; 11 is: ribbon supply end; 12 is: third screw; 13 is: washer; 14 is: torsion spring; Yes: sleeve washer; 16 is: pressure shaft; 17 is: circlip; 18 is: compression spring; 19 is: handle lever; 20 is: handle; 21 is: shaft; 22 is: cutter handle guide; It is: the angle between the blade edge of the V-shaped upper blade and the lower blade edge, b is: the angle between the other blade edge of the inverted V-shaped upper blade and the lower blade edge.

In the portable printer of the embodiment of the present invention, when the upper cover 1 is opened, the structure is as shown in FIG. 1. Because of the portable design, the design is a relatively compact structure, and the display screen 301 and the small portion disposed there are provided on the end surface of the chassis. The keyboard 302, as shown in FIG. 3, is a cutter module 100 at the upper right of the display screen 301. As shown in FIG. 1, the cutter 100 is a manual cutter, which is loaded by the first screw 2 and the second screw 3. Provided on the main body 300 of the printer, the paper cutter is used for cutting the printing paper 8, the paper cutter comprising: a coaxially pivoted lower blade 4 and an upper blade 5, the first of the upper blade 5 The end is rotatably mounted on the lower blade 4 via a rotating shaft 21, and the rotating shaft 21 is located below the lower blade 4. The handlebar 19 is fixedly mounted on the second end of the upper blade 5, and the handle 20 is disposed at the end of the handlebar 19, and the handlebar 19 passes through the cutter handle guide frame 22. The upper blade 5, the handlebar 19 and the handle 20 are combined and fixed integrally. By pulling the handle 20, the upper blade 5 and the handlebar 19 can be freely rotated about the rotating shaft 21, and one end of the handlebar 19 rotates around the rotating shaft 21, and the handle is simultaneously The rod 19 is moved within the guide groove of the cutter handle guide frame 22 to prevent human factors from disengaging the upper blade 5 from the lower blade 4, ensuring that the upper blade 5 is pressed against the lower blade 4, which is advantageous for cutting.

In the present embodiment, as shown in FIG. 6, the upper blade 5 has an inverted V-shape, and the upper blade 5 includes two side blades: a first side cutting edge 51 and a second side cutting edge 52, and the first side cutting edge 51. The first side cutting edge 52 is integrally formed and connected. As shown in FIG. 6, the connecting portion is an inverted V-shaped connection or an inverted U-shaped connection, so that the cutting edge of the upper blade 5 is inverted V-shaped, that is, the first The side cutting edge 51 and the second side cutting edge 52 continuously make the blade edge of the upper blade 5 an inverted V shape. Wherein: the cutting angle a is: when the end of the second side cutting edge 52 away from the rotating shaft 21 moves to the cutting edge of the lower blade 4, the first side cutting edge 51 of the inverted V-shaped upper blade and the lower cutting edge of the lower blade 4 The angle, the cutting angle b is: when the end of the second side cutting edge 52 away from the rotating shaft 21 moves to the cutting edge of the lower blade 4, the second side cutting edge 52 and the lower blade 4 of the inverted V-shaped upper blade 5 The angle of the blade. Generally, when the cutting angles a and b between the upper blade 5 and the lower blade 4 are both greater than 9° and less than 90°, it is easy to cut, preferably 20°, 30° or other degrees in the range. can. The upper blade 5 is integrally formed into an inverted V shape, so that the handle 20 has a short moving distance during the cutting process, and can maintain a relatively large cutting angle (the angles of a and b in FIG. 6 can be 9° or more and less than 90°, that is, the angle between the two sides forming the inverted V-shape is 0-162°) for smooth cutting.

In a further embodiment, a pressing shaft 16 is disposed between the upper blade 5 and the lower blade 4, and an end of the pressing shaft 16 exposing the outer side of the upper blade 5 is sleeved with a compression spring 18, and the pressing shaft 16 A snap spring 17 is mounted on the outer side of the compression spring 18 at the top end. Further, a washer 13 is provided between the retaining spring 17 and the compression spring 18, and the washer 13 is fitted over the pressing shaft 16. The compression spring 18 is caught by the retaining spring 18 between the upper surface of the upper blade 5 and the retaining spring 17, so that under the elastic force of the compression spring 18, the upper blade 5 is pressed against the upper blade 4, which is advantageous for cutting Cut the paper 8.

In a further embodiment, a reset device for resetting the upper blade 5 is provided between the lower blade 4 and the upper blade 5. Specifically, the resetting device includes a torsion spring 14 having a first end fixed to the lower blade 4 and a second end of the torsion spring 14 embedded in the through hole of the upper blade 5. The torsion spring 14 is a wire spring having a certain elasticity, and the handle 12 is moved by the hand, and the upper blade 5 is rotated around the rotating shaft 21 to cut the printing paper 8; after the printing paper 8 is cut, the hand is released, and the torsion spring 14 is released. The upper blade 5 is automatically reset. In other embodiments, the reset device can also be implemented in other mechanisms.

The printer works in the above embodiment provides a paper cutting operation by manipulating the handle 20. After the upper cover 1 is opened, the corresponding portion of the movement that is covered by the upper cover 1 is the printing paper 8 that travels during operation, that is, the object cut by the cutter 100 of the embodiment of the present invention. As shown in FIGS. 1 and 2, the image for forming a graphic on the printing paper 8 is a carbon ribbon 7, which is started from the ribbon supply end 11, and after the printing of the printing paper 8 is completed by the printing head 10, The used ribbon 7 portion is taken up into the ribbon recovery end 9. In the embodiment of the present invention, the manual cutter 100 is mainly composed of a lower blade 4 and an upper blade 5. The printing paper 8 that has been printed is pushed out by the rubber roller 6, and is operated by the gap formed by the lower blade 4 and the upper blade 5. The upper blade 5 and the lower blade 4 are controlled to move relative to each other by the handle 20, and the rolled paper 8 is cut.

Further, in the above embodiment, the manual cutter 100 is attached to the main body 300 of the printer by the first screw 2 and the second screw 3.

The embodiment of the present invention further provides a portable printer with a manual paper cutter, comprising the manual paper cutter according to any of the above embodiments, the manual paper cutter being fixedly mounted in the printer device. Specifically, the manual cutter 100 is mounted on the main body 300 of the printer by the first screw 2 and the second screw 3. The manual cutter 100 is mainly composed of a lower blade 4 and an upper blade 5, and a first end of the upper blade 5 is rotatably mounted on the lower blade 4 via a rotating shaft 21, wherein the upper blade 5 includes a The side cutting edge 51 and the second side cutting edge 52 have a total of two sides of the cutting edge, wherein the first side cutting edge 51 and the second side cutting edge 52 are coupled together to form a V-shape of the cutting edge of the upper blade 5. In the processing of the upper blade 5, the two side blades are integrally formed. In a preferred embodiment, the angle between the blades on both sides of the V-shaped upper blade 5 and the blade of the lower blade 4 are respectively greater than 9° and smaller than Wherein: the first side cutting edge 51 and the second side cutting edge 52 are connected at an inverted V-shaped connection or an inverted U-shaped connection. In Figure 6, the junction of the cutting edges on both sides is an inverted V-shaped connection.

The printing paper 8 that has been printed is pushed out by the rubber roller 6, and when passing through the gap formed by the lower blade 4 and the upper blade 5, the operator controls the upper blade 5 and the lower blade 4 to move relatively by the handle 20, and cuts the rolled paper. 8.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and the description of the present invention is not to be construed as limiting the scope of the present invention. It should be noted that one of ordinary skill in the art A number of variations and modifications may be made without departing from the spirit of the invention, and all such modifications and modifications are intended to be included in the scope of the invention. The scope of the request.

Claims

A manual paper cutter for a portable printer for cutting a printing paper (8), the manual paper cutter comprising a coaxially pivoted lower blade (4) and an upper blade (5), The first end of the upper blade (5) is rotatably mounted on the lower blade (4) by a rotating shaft (21), characterized in that the upper blade (5) blade comprises a continuous first side cutting edge ( 51) and the second side cutting edge (52), so that the cutting edge of the upper blade (5) is inverted V-shaped.

2 The manual paper cutter according to claim 1, wherein when said second side cutting edge (52) moves away from an end of said rotating shaft (21) to be in contact with said lower blade (4) cutting edge, said The angle between the first side cutting edge (51), the second side cutting edge (52) and the lower blade (4) cutting edge is greater than 9° and less than 90°, respectively.

3. A manual paper cutter according to claim 2, wherein the junction of the first side cutting edge (51) and the second side cutting edge (52) is in an inverted V-shaped connection or an inverted U-shaped connection.

4, A manual paper cutter according to any one of claims 1 to 3, characterized in that the second end of the upper blade (5) is fixedly provided with a handlebar (19) at the end of the handlebar (19) A handle (20) is provided.

The manual paper cutter according to claim 4, wherein a pressing shaft (16) is mounted between the upper blade (5) and the lower blade (4), and the pressing shaft (16) A pressure spring (18) is sleeved at one end of the outer side of the upper blade (5), and a circlip (17) is disposed at a distal end of the pressure applying shaft (16) and outside the pressure spring (18).

A manual paper cutter according to claim 4, characterized in that a reset means for resetting the upper blade (5) is provided between the lower blade (4) and the upper blade (5).

7. A manual paper cutter according to claim 6, wherein said resetting means comprises a torsion spring (14), said first end of said torsion spring (14) being fixed to said lower blade (4), said twist The second end of the spring (14) is embedded in the through hole of the upper blade (5).

A portable printer comprising the manual cutter according to claim 1 or 7.