CN217495638U

CN217495638U - Knife moving mechanism convenient for removing knife clamping state and cutter system comprising same

Info

Publication number: CN217495638U
Application number: CN202221715316.5U
Authority: CN
Inventors: 余雷
Original assignee: Shanghai X-Chang Telecom Ltd
Current assignee: Shanghai X-Chang Telecom Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-27
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a cutter system who moves sword mechanism and contain it convenient to remove card sword state. The moving knife mechanism: the movable knife rest is arranged on the first side of the framework body and can drive the movable knife to reciprocate in the preset direction under the action of external driving force, the housing is covered on the framework body, and the second side and the third side of the framework body are exposed; the frame body is internally provided with an accommodating space, the stirring piece is in linkage arrangement with a rotating shaft of the driving motor so as to provide the external driving force, and the cover plate is arranged on the second side of the frame body and covers an opening of the accommodating space, which is positioned on the second side, so that the driving motor and the stirring piece are fixed in the accommodating space. The cutter system comprises a fixed cutter component and the movable cutter mechanism. The utility model discloses can solve current 2 cun automatic cutout thermal printer move the sword mechanism move the knife and take place the mode complex operation that moves the sword card sword state and probably lead to moving the sword and moving the problem that the mechanism piece that has the linkage relation between the sword damaged that adopts when the sword takes place the card sword under the state that stretches out.

Description

Knife moving mechanism convenient for removing knife clamping state and cutter system comprising same

Technical Field

The utility model belongs to the technical field of printer auxiliary assembly, more specifically relates to a move sword mechanism and contain its cutter system convenient to remove card sword state.

Background

With the rapid development of digital information, the thermal printing technology is increasingly appearing in the scenes of people's life and work, which relate to the need of printing receipt. For the existing thermal printer, after the receipt is printed, a cutter system with a cutter is usually adopted to cut off the receipt so that the receipt can be conveniently taken down. In view of the above background and the recent trend toward miniaturization of thermal printers, 2-inch automatic cutter thermal printers are becoming mainstream in the industry.

A cutter system adopted by the existing 2-inch automatic cutter thermal printer mainly comprises a movable cutter mechanism and a fixed cutter assembly, wherein the movable cutter mechanism mainly comprises a movable cutter assembly and a movable cutter driving assembly. Specifically, move the knife drive assembly and set up in moving the main part of knife assembly and wrap up by the housing of knife assembly, move the drive of knife drive assembly down, move the knife that moves of knife assembly and can cooperate with the stationary knife of stationary knife assembly under the drive of motion knife rest to the receipt strip that thermal printer printed out cuts.

For the movable knife mechanism, when the movable knife can not be normally retracted into the housing of the movable knife component due to knife clamping, the movable knife can be retracted into the housing by adopting a violent means, and then the housing is taken down and the movable knife driving component is detached, so that the reason for knife clamping of the movable knife can be further judged. However, the above-mentioned method for releasing the blade-stuck state of the movable blade is not only cumbersome, but also may damage the movable blade and the mechanism parts linked with the movable blade.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the knife mechanism of the existing 2-inch automatic cutter thermal printer adopts to remove the mode complex operation of moving the knife clamping state and possibly leading to moving the knife and moving the mechanism part damage with linkage relation between the knives when moving the knife and taking place the knife under the state of knife extension.

In order to achieve the above object, the utility model provides a be convenient for remove sword state move sword mechanism and contain its cutter system.

According to a first aspect of the present invention, there is provided a moving blade mechanism for facilitating release of a blade jamming state, the moving blade mechanism comprising a moving blade assembly and a moving blade driving assembly;

the movable knife assembly comprises a movable knife assembly main body and a housing, the movable knife assembly main body comprises a framework body, a movable knife rest and a movable knife, the framework body is provided with a first side and a second side, a third side and a fourth side, a first end and a second end which are opposite, the movable knife rest is arranged on the first side of the framework body and can drive the movable knife to reciprocate in a preset direction under the action of external driving force, the housing is covered on the framework body, and the second side and the third side of the framework body are exposed;

the movable knife driving assembly comprises a driving motor, a poking piece and a cover plate, the poking piece is in linkage with a rotating shaft of the driving motor to provide the external driving force, and the cover plate is arranged on the second side of the framework body and covers an opening of the accommodating space located on the second side, so that the driving motor and the poking piece are fixed in the accommodating space.

Optionally, the movable blade driving assembly further comprises a gear box, and the gear box is located in the accommodating space and used for realizing linkage of the poking piece and the rotating shaft of the driving motor.

Optionally, the poking member includes a base portion and a poking portion, a double-gear structure is disposed on one side of the moving tool rest facing the second side of the framework body, the base portion is in linkage with an output shaft of the gear box, and the poking portion is engaged with the double-gear structure.

Optionally, a first positioning column and a second positioning column are arranged on one side of the moving tool rest, which faces away from the second side of the framework body, and a first positioning hole matched with the first positioning column and a second positioning hole matched with the second positioning column are arranged on the tool root of the moving tool.

According to the utility model discloses a second aspect provides a cutter system, and this cutter system includes the stationary knife subassembly and any kind of sword mechanism that moves of being convenient for remove the card sword state of the aforesaid.

The beneficial effects of the utility model reside in that:

the utility model discloses a move sword mechanism convenient to remove card sword state, when moving the sword because of taking place the card sword phenomenon and can't normally contract back to move the housing of sword subassembly in, the corresponding mode of moving the sword card sword state of removing is as follows:

taking down the cover plate, taking out the movable knife driving assembly from the accommodating space to unlock the movable knife rest, and tentatively and gradually pulling back the movable knife rest to retract the movable knife into the housing; after the movable knife retracts into the cover, the cover is taken down, and the combined body of the movable knife rest and the movable knife is taken down, so that the specific reasons of the clamping of the movable knife are further analyzed.

According to the above, the movable knife mechanism for conveniently releasing the state of the knife clamping of the utility model can not normally retract into the housing of the movable knife component due to the knife clamping phenomenon when the movable knife is moved, the movable knife can not retract into the housing by adopting a violent means in advance, so that the mode of releasing the state of the knife clamping is not only easy to operate, but also the movable knife and the mechanism component having the linkage relation with the movable knife can not be damaged.

The utility model discloses a cutter system contains the aforesaid and is convenient for remove the moving knife mechanism of card sword state, and the moving knife mechanism of being convenient for remove the card sword state with the aforesaid belongs to a general inventive concept, and its beneficial effect is no longer repeated here.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The invention may be better understood by referring to the following description in conjunction with the accompanying drawings, in which like reference numerals are used to designate like or similar parts throughout the figures thereof.

Fig. 1 is a schematic external view of a movable knife mechanism for facilitating release of a knife jam state according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a moving blade assembly body according to an embodiment of the present invention;

fig. 3 shows a schematic diagram of the relative positions of the kinematic tool holder and the skeleton body according to an embodiment of the invention;

fig. 4 shows a schematic structural view of a skeleton body at a second side view according to an embodiment of the present invention;

fig. 5 shows a schematic view of the distribution of the drive motor, the gear box and the toggle member within the frame body according to an embodiment of the present invention;

fig. 6 shows a schematic diagram of the relative positions of the drive motor, the gear box, the toggle member, the moving blade carrier and the moving blade according to an embodiment of the present invention;

fig. 7 shows a schematic diagram of the relative positions of the cover plate and the skeleton body according to an embodiment of the present invention;

fig. 8 shows a schematic structural view of a kinematic tool holder according to an embodiment of the invention;

fig. 9 shows a schematic structural view of a moving blade according to an embodiment of the present invention;

fig. 10 shows a schematic structural view of a cutter system and printer core combination according to an embodiment of the present invention.

Fig. 11 shows a disassembled exploded view of the moving blade driving assembly according to an embodiment of the present invention.

Detailed Description

In order to enable those skilled in the art to more fully understand the technical solution of the present invention, the exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Obviously, the following description of one or more embodiments of the present invention is only one or more of specific ways to implement the technical solutions of the present invention, and is not exhaustive. It should be understood that the technical solutions of the present invention can be implemented in other ways belonging to one general inventive concept, and should not be limited by the exemplary described embodiments. Based on one or more embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example (b): fig. 1 shows the utility model discloses the appearance schematic diagram of the knife mechanism moves convenient to relieve the card sword state, fig. 2 shows the utility model discloses a move the structure schematic diagram of sword subassembly main part, fig. 3 shows the utility model discloses a relative position schematic diagram of motion knife rest and skeleton body, fig. 4 shows the utility model discloses a structure schematic diagram of skeleton body under the second side visual angle, fig. 5 shows the utility model discloses a driving motor, gear box and the distribution schematic diagram of stirring piece in the skeleton body, fig. 6 shows the utility model discloses a driving motor, gear box, stirring piece, motion knife rest and the relative position schematic diagram of moving the sword, fig. 7 shows the utility model discloses an apron and the relative position schematic diagram of skeleton body.

Referring to fig. 1 to 7, the movable knife mechanism for conveniently releasing the knife clamping state according to the embodiment of the present invention includes a movable knife assembly 100 and a movable knife driving assembly 200;

the movable knife assembly 100 comprises a movable knife assembly main body and a housing 110, the movable knife assembly main body comprises a framework body 120, a movable knife rest 130 and a movable knife 140, the framework body 120 is provided with a first side and a second side, a third side and a fourth side, a first end and a second end which are opposite, the movable knife rest 130 is arranged on the first side of the framework body 120 and can drive the movable knife 140 to reciprocate in a preset direction under the action of external driving force, the housing 110 is covered on the framework body 120, and the second side and the third side of the framework body 120 are exposed;

the frame body 120 has an accommodating space 121 therein, the moving blade driving assembly 200 includes a driving motor 210, a toggle member 220 and a cover plate 230, the toggle member 220 is linked with a rotating shaft of the driving motor 210 to provide an external driving force for the moving blade holder 130, and the cover plate 230 is disposed on a second side of the frame body 120 and covers an opening of the accommodating space 121 on the second side, so as to fix the driving motor 210 and the toggle member 220 in the accommodating space 121.

Further, referring to fig. 5 and fig. 6, in the embodiment of the present invention, the movable blade driving assembly 200 further includes a gear box 240, and the gear box 240 is located in the accommodating space 121, and is used for realizing the linkage of the rotating shaft of the toggle 220 and the driving motor 210.

Still further, referring to fig. 6, in the embodiment of the present invention, the toggle member 220 includes a base portion 221 and a toggle portion 222, the dual gear structure 131 is disposed on a side of the moving blade holder 130 facing the second side of the skeleton body 120, the base portion 221 is disposed coaxially with the output shaft of the gear box 240, and the toggle portion 222 is disposed in engagement with the dual gear structure 131.

The embodiment of the utility model provides an in, the pivot of driving motor 210 and the input shaft linkage of gear box 240 set up, and the output shaft of gear box 240 sets up with the basic portion 221 linkage of stirring 220, and the stirring 222 of stirring 220 sets up with the double round of tooth structure 131 meshing of motion knife rest 130, and the torque of driving motor 210 output converts the straight line moment of applying in moving sword 140 through corresponding moment transmission route.

Still further, fig. 8 shows a schematic structural diagram of the moving blade holder according to the embodiment of the present invention, and fig. 9 shows a schematic structural diagram of the moving blade according to the embodiment of the present invention. Referring to fig. 8 and 9, in the embodiment of the present invention, a first positioning pillar 132 and a second positioning pillar 133 are disposed on a side of the moving blade holder 130 facing away from the second side of the frame body 120, and a first positioning hole 141 matching with the first positioning pillar 132 and a second positioning hole 142 matching with the second positioning pillar 133 are disposed on the blade root portion of the moving blade 140.

In the embodiment of the present invention, on the one hand, the quick installation and detachment of the movable knife 140 can be realized by providing the first positioning column 132 and the second positioning column 133 on the movable knife holder 130 and providing the first positioning hole 141 and the second positioning hole 142 on the knife root of the movable knife 140. On the other hand, since the first positioning post 132 and the second positioning post 133 are configured in different shapes, the foolproof mounting of the movable blade 140 can be achieved.

Fig. 10 is a schematic structural diagram illustrating a combination of a cutter system and a printer core according to an embodiment of the present invention. Referring to fig. 10, the utility model discloses move knife mechanism convenient to remove card sword state and constitute cutter system with assorted stationary knife subassembly 300, this cutter system is used for cuting the strip of relying on that prints out to printer core 400.

Fig. 11 shows an exploded view of the movable blade driving assembly according to the embodiment of the present invention. Referring to fig. 11, in the embodiment of the present invention, when the movable blade 140 cannot be retracted into the housing 110 due to the blade jamming phenomenon, the corresponding manner of releasing the blade jamming state is as follows:

the three fastening screws 250 are unscrewed to remove the cover plate 230 from the second side of the framework body 120, then the combination of the driving motor 210, the gear box 240 and the toggle piece 220 is taken out of the framework body 120 to release the locking of the moving blade driving assembly on the moving blade carrier 130, and then the moving blade carrier 130 is tentatively and gradually toggled back to retract the moving blade 140 into the housing 110; after the movable knife 140 retracts into the housing 110, the housing 110 is removed, and the combination of the movable knife holder 130 and the movable knife 140 is removed, so as to further analyze the specific reason for the knife 140 being jammed.

Correspondingly, the embodiment of the utility model provides a be convenient for remove the basis of moving knife mechanism of card sword state on, the embodiment of the utility model provides a still provides a cutter system, this cutter system include stationary knife subassembly 300 with the embodiment of the utility model provides a be convenient for remove the sword mechanism that moves of card sword state.

Although one or more embodiments of the present invention have been described above, those skilled in the art will appreciate that the present invention can be implemented in any other forms without departing from the spirit and scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and many modifications and substitutions will now be apparent to those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A moving knife mechanism convenient for releasing the knife clamping state is characterized by comprising a moving knife component and a moving knife driving component;

the movable knife assembly comprises a movable knife assembly body and a housing, the movable knife assembly body comprises a framework body, a movable knife rest and a movable knife, the framework body is provided with a first side and a second side, a third side and a fourth side, a first end and a second end, the first side and the second side are opposite to each other, the movable knife rest is arranged on the first side of the framework body and can drive the movable knife to reciprocate in a preset direction under the action of external driving force, the housing is covered on the framework body, and the second side and the third side of the framework body are exposed;

2. The movable knife mechanism convenient to relieve the knife clamping state according to claim 1, wherein the movable knife driving assembly further comprises a gear box, and the gear box is located in the accommodating space and used for realizing linkage arrangement of the poking piece and a rotating shaft of the driving motor.

3. The movable knife mechanism convenient to relieve the knife clamping state according to claim 2, wherein the poking part comprises a base part and a poking part, a double-gear structure is arranged on one side of the movable knife rest facing the second side of the framework body, the base part is in linkage with an output shaft of the gear box, and the poking part is meshed with the double-gear structure.

4. The movable knife mechanism convenient for relieving the knife clamping state as claimed in claim 3, wherein a first positioning column and a second positioning column are arranged on one side of the movable knife rest facing away from the second side of the framework body, and a first positioning hole matched with the first positioning column and a second positioning hole matched with the second positioning column are arranged on the knife root of the movable knife.

5. A cutter system, characterized in that it comprises a stationary cutter assembly and a movable cutter mechanism according to any one of claims 1 to 4 for facilitating the release of the stuck state.