CN114987069A - Automatic cutter system based on modular framework and control method - Google Patents

Automatic cutter system based on modular framework and control method Download PDF

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Publication number
CN114987069A
CN114987069A CN202210779825.2A CN202210779825A CN114987069A CN 114987069 A CN114987069 A CN 114987069A CN 202210779825 A CN202210779825 A CN 202210779825A CN 114987069 A CN114987069 A CN 114987069A
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CN
China
Prior art keywords
cutter
fixed cutter
plate
fixed
end plate
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Granted
Application number
CN202210779825.2A
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Chinese (zh)
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CN114987069B (en
Inventor
余雷
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Shanghai X-Chang Telecom Ltd
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Shanghai X-Chang Telecom Ltd
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Priority to CN202210779825.2A priority Critical patent/CN114987069B/en
Publication of CN114987069A publication Critical patent/CN114987069A/en
Application granted granted Critical
Publication of CN114987069B publication Critical patent/CN114987069B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/663—Controlling cutting, cutting resulting in special shapes of the cutting line, e.g. controlling cutting positions, e.g. for cutting in the immediate vicinity of a printed image
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B41J11/706—Applications of cutting devices cutting perpendicular to the direction of paper feed using a cutting tool mounted on a reciprocating carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism

Abstract

The invention provides an automatic cutter system based on a modular framework and a control method. The technical scheme of the invention is as follows: the movable knife module comprises a framework body, the movable knife driving module and the movable knife position detection module are both arranged in the framework body, and the printer core is semi-embedded and detachably arranged on the third side of the framework body; the built-in fixed knife of the fixed knife module is used for being matched with the movable knife under the feeding in place so as to cut the receipt strip output by the printer core; the automatic cutter system adopts a modular framework and is divided into a fixed cutter module, a movable cutter driving module and a movable cutter position detection module, the modules are combined together in a matched manner on the basis of independent disassembly, and the function of the automatic cutter is realized when the control method is applied to the main control board. According to the invention, the problems that the existing 2-inch automatic cutter thermal printer is large in size and functional modules and printer cores in an automatic cutter system are inconvenient to replace can be solved.

Description

Automatic cutter system based on modular framework and control method
Technical Field
The invention belongs to the technical field of printer auxiliary equipment, and particularly relates to an automatic cutter system based on a modular framework and a control method.
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. However, the existing 2-inch automatic cutter thermal printer mainly has the following two problems:
firstly, the structural layout of the automatic cutter system and the printer core are unreasonable, so that the volume of the assembly of the automatic cutter system and the printer core is large, and the volume of the thermal printer is large.
The automatic cutter system and the printer core are integrally designed, when a certain functional module of the automatic cutter system needs to be replaced due to maintenance or adjustment of the automatic cutter system and the printer core needs to be replaced due to maintenance or adjustment of printing pressure, the automatic cutter system and the printer core can be replaced only in a whole mode, time and labor are wasted, and the economical efficiency is poor.
Disclosure of Invention
The invention aims to solve the problems that the conventional 2-inch automatic cutter thermal printer is large in size and functional modules and a printer core in an automatic cutter system are inconvenient to replace.
In order to achieve the purpose, the invention provides an automatic cutter system based on a modular framework and a control method.
According to a first aspect of the present invention, an automatic cutter system based on a modular architecture is provided, wherein the automatic cutter system is applied to a thermal printing assembly, and the thermal printing assembly comprises a printer core and a main control board;
the automatic cutter system comprises a fixed cutter module, a movable cutter driving module and a movable cutter position detection module;
the movable knife module comprises a framework body, a movable knife rest and a movable knife, the framework body is provided with a first side, a second side and a third side, the first side is opposite to the second side, and 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 movable knife driving module is arranged in the framework body and comprises a first motor and a shifting piece, and the shifting piece is in linkage arrangement with a rotating shaft of the first motor to provide the external driving force;
the movable knife position detection module is arranged in the framework body and positioned below the movable knife rest, and comprises a circuit board, a first photoelectric switch and a second photoelectric switch, wherein the first photoelectric switch and the second photoelectric switch are arranged on the circuit board;
the printer core is semi-embedded and detachably arranged on the third side of the framework body and comprises a printing head, a second motor and a paper winding shaft which is in linkage with a rotating shaft of the second motor;
the fixed knife module comprises a built-in fixed knife, and the fixed knife is used for being matched with the movable knife in the feeding position to cut the evidencing strip output through the gap between the printing head and the paper winding shaft;
the first motor, the circuit board, the printing head and the second motor are all electrically connected with the main control board.
Optionally, the moving blade module further comprises a cover, and the skeleton body further has a fourth side opposite to the third side, and a first end and a second end opposite to the first end;
the housing covers the framework body, and the second side and the third side are exposed;
a first guide groove is formed in the first end of the framework body, and a first guide rib matched with the first guide groove is arranged on the inner side of the first end of the housing;
and a second guide groove is formed in the second end of the framework body, and a second guide rib matched with the second guide groove is arranged on the inner side of the second end of the housing.
Optionally, a first positioning column is further disposed at the first end of the framework body, a first positioning hole matched with the first positioning column is disposed at the first end of the housing, and a first guide inclined surface is disposed on a side of the first positioning column facing the fourth side of the framework body;
a second positioning column is further arranged at the second end of the framework body, a second positioning hole matched with the second positioning column is formed in the second end of the housing, and a second guide inclined surface is arranged on one side, facing the fourth side of the framework body, of the second positioning column.
Optionally, the fixed cutter module further comprises a fixed cutter seat, a fixed cutter cover and an elastic support body, wherein the fixed cutter seat is provided with a bottom plate;
the fixed cutter seat and the fixed cutter cover are mutually matched to form a shell with one open side;
the fixed cutter is arranged on the fixed cutter seat and is obliquely arranged through the elastic supporting body, the blade part of the fixed cutter is positioned on the opening side of the shell, and the distance between the blade part and the bottom plate of the fixed cutter seat is larger than the distance between the blade root part of the fixed cutter and the bottom plate of the fixed cutter seat;
the fixed cutter cover is in contact with the fixed cutter.
Optionally, the fixed cutter seat further comprises a first end plate, a second end plate and a side plate, and the first end plate, the second end plate, the side plate and the bottom plate of the fixed cutter seat form a structure with an open top and an open side;
a first limiting blocking rib is arranged on the inner side of a first end plate of the fixed cutter seat, a second limiting blocking rib is arranged on the inner side of a second end plate of the fixed cutter seat, and a first notch matched with the first limiting blocking rib and a second notch matched with the second limiting blocking rib are respectively arranged at two ends of a blade part of the fixed cutter;
the elastic support body comprises a first spring and a second spring, and the first spring and the second spring are both arranged on the bottom plate of the fixed cutter seat.
Optionally, the fixed cutter cover comprises a top plate, a first end plate, a second end plate and a side plate, and the top plate, the first end plate, the second end plate and the side plate of the fixed cutter cover form a structure with an open bottom and an open side;
a first groove, a third guide rib and a second groove are sequentially formed on the side plate of the fixed cutter seat along the extension direction of the side plate;
a fixed cutter positioning body which is contacted with the fixed cutter is arranged on the inner side of the top plate of the fixed cutter cover, the fixed cutter positioning body, the top plate, the first end plate, the second end plate and the side plate of the fixed cutter cover enclose a third guide groove, and the third guide groove is matched with the third guide rib;
and a first tongue matched with the first groove is formed on the first end plate of the fixed cutter cover, and a second tongue matched with the second groove is formed on the second end plate of the fixed cutter cover.
Optionally, the first end plate and the first tongue of the fixed cutter seat and the second end plate and the second tongue of the fixed cutter seat are fixedly arranged by bolts;
and/or the presence of a gas in the gas,
a third positioning column is arranged on the first end plate of the fixed cutter cover, a third positioning hole matched with the third positioning column is arranged on the first end plate of the fixed cutter seat, a third guide inclined plane is arranged on one side of the third positioning column, which faces the bottom plate of the fixed cutter seat,
a fourth positioning column is arranged on the second end plate of the fixed cutter cover, a fourth positioning hole matched with the fourth positioning column is arranged on the second end plate of the fixed cutter seat, and a fourth guide inclined plane is arranged on one side, facing the bottom plate of the fixed cutter seat, of the fourth positioning column.
Optionally, a sleeving structure is arranged outside the bottom plate of the stationary knife seat, the sleeving structure has a first opening sleeving part and a second opening sleeving part, and the first opening sleeving part and the second opening sleeving part are respectively sleeved on two ends of the paper winding shaft.
Optionally, a portion of the second side of the frame body, which is opposite to the first motor and the toggle member, is an open area, and the movable blade driving module further includes a first cover plate, the first cover plate is disposed on the second side of the frame body and covers the open area, so as to fix the first motor and the toggle member in the frame body;
and/or the presence of a gas in the atmosphere,
the moving blade position detection module further comprises a second cover plate, the second cover plate is arranged on the first side of the framework body and covers the circuit board so as to fix the circuit board in the framework body, and a first through hole opposite to the first photoelectric switch and a second through hole opposite to the second photoelectric switch are formed in the second cover plate.
According to a second aspect of the present invention, there is provided a control method for an automatic cutter system based on a modular architecture as any one of the above, the control method comprising the steps of:
responding to a printing completion signal from the printing head, and outputting a first motor forward driving instruction, wherein the first motor forward driving instruction is used for realizing the moving blade feeding;
stopping outputting the forward driving instruction of the first motor in response to a moving blade feed in-place detection signal from a first photoelectric switch;
outputting a first motor reverse driving instruction after a preset time interval, wherein the first motor reverse driving instruction is used for realizing the moving knife retracting;
and stopping outputting the reverse driving command of the first motor in response to a moving blade retracting to-position detection signal from the second photoelectric switch.
The invention has the beneficial effects that:
according to the automatic cutter system based on the modular framework, on one hand, the movable cutter module comprises the framework body, the movable cutter driving module for driving the movable cutter to reciprocate is arranged in the framework body, and the movable cutter position detection module for detecting that the movable cutter is in place when the movable cutter is fed and in place when the movable cutter is withdrawn is also arranged in the framework body, so that the combined body of the movable cutter module, the movable cutter driving module and the movable cutter position detection module can be further miniaturized; on the other hand, the printer core is arranged on the third side of the framework body in a semi-embedded mode, and the movable knife module and the printer core can be further miniaturized in combination. According to the above content, by adopting the above structural design, the structural layout of the automatic cutter system and the printer core can be more reasonable, and further miniaturization of the combined body of the movable cutter module, the movable cutter driving module, the movable cutter position detection module and the printer core is realized, so that the volume of the applied 2-inch automatic cutter thermal printer can be correspondingly reduced.
According to the automatic cutter system based on the modular framework, on one hand, the movable cutter module comprises a framework body, and the printer core is half-embedded and detachably arranged on the third side of the framework body; on the other hand, the automatic cutter system adopts a modular framework, namely the automatic cutter system is divided into a fixed cutter module, a movable cutter driving module and a movable cutter position detection module, the fixed cutter module, the movable cutter driving module and the movable cutter position detection module are combined together in a matched manner on the basis of being independently detached, and the function of automatic cutter is realized under the control of the main control board. According to the two aspects, for the 2-inch automatic cutter thermal printer adopting the automatic cutter system, each functional module and the printer core of the automatic cutter system can be independently detached, so that the automatic cutter thermal printer is convenient to replace.
In conclusion, the automatic cutter system based on the modular framework can effectively solve the problems that the existing 2-inch automatic cutter thermal printer is large in size, and functional modules and a printer core in the automatic cutter system are inconvenient to replace.
The control method of the invention is used for controlling the automatic cutter system based on the modular framework to realize automatic cutter, and the control method and the automatic cutter system based on the modular framework belong to a general inventive concept, and the beneficial effects are not repeated.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The invention may be better understood by reference to the following description taken in conjunction with the accompanying drawings, in which like or similar reference numerals identify like or similar parts throughout the figures.
Fig. 1 shows a schematic external view of a combination of an automatic cutter system and a printer core based on a modular architecture according to an embodiment of the present invention;
fig. 2 shows an external view of a moving blade module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing the relative positions of the movable knife, the movable knife holder and the skeleton body according to the embodiment of the invention;
fig. 4 shows a schematic diagram of the relative positions of the moving blade carrier and the skeleton body according to an embodiment of the invention;
FIG. 5 illustrates a schematic distribution of a first motor and a toggle within a skeletal body, in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram showing the relative positions of the first motor, the toggle member, the moving blade carrier and the moving blade according to an embodiment of the present invention;
fig. 7 is a schematic diagram showing relative positions of a first photoelectric switch, a second photoelectric switch, a circuit board, and a skeleton body according to an embodiment of the present invention;
figure 8 shows a schematic structural diagram of a printer cartridge according to an embodiment of the invention;
FIG. 9 shows a schematic exterior view of a stationary knife module according to an embodiment of the invention;
fig. 10 shows a schematic structural view of a skeleton body at one viewing angle according to an embodiment of the present invention;
fig. 11 shows a schematic structural view of a skeleton body from another view according to an embodiment of the present invention;
FIG. 12 shows a schematic structural view of a housing according to an embodiment of the invention;
FIG. 13 is a schematic view showing the internal structure of the stationary knife module according to the embodiment of the present invention;
FIG. 14 shows a schematic structural view of a setting tool holder according to an embodiment of the invention;
FIG. 15 shows a schematic structural view of a stationary knife according to an embodiment of the present invention;
FIG. 16 shows a schematic view of a stationary knife cover from a perspective in accordance with an embodiment of the present invention;
FIG. 17 shows a schematic view of a stationary knife cover from another perspective in accordance with an embodiment of the present invention;
FIG. 18 shows a schematic view of a stationary knife cover from yet another perspective according to an embodiment of the present invention;
fig. 19 is a schematic external view showing a combination of a fixed blade module and a printer core according to an embodiment of the present invention;
fig. 20 is a schematic view showing the relative positions of a first cover plate and a skeleton body according to an embodiment of the present invention;
fig. 21 is a schematic view showing the relative position of the second cover plate and the skeleton body according to the embodiment of the present invention.
Detailed Description
In order that those skilled in the art can more fully understand the technical solutions of the present invention, exemplary embodiments of the present invention will be described more fully and in detail below with reference to the accompanying drawings. Obviously, the one or more embodiments of the present invention described below are only one or more of specific ways to implement the technical solutions of the present invention, and are 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. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step on the basis of one or more embodiments of the present invention, shall fall within the scope of protection of the present invention.
The embodiment is as follows: fig. 1 shows an appearance schematic diagram of a combination of an automatic cutter system based on a modular architecture and a printer core according to an embodiment of the present invention, fig. 2 shows an appearance schematic diagram of a movable cutter module according to an embodiment of the present invention, fig. 3 shows a relative position schematic diagram of a movable cutter, a movable cutter holder and a skeleton body according to an embodiment of the present invention, fig. 4 shows a relative position schematic diagram of a movable cutter holder and a skeleton body according to an embodiment of the present invention, fig. 5 shows a distribution schematic diagram of a first motor and a toggle member in a skeleton body according to an embodiment of the present invention, fig. 6 shows a relative position schematic diagram of a first motor, a toggle member, a movable cutter holder and a movable cutter according to an embodiment of the present invention, fig. 7 shows a relative position schematic diagram of a first photoelectric switch, a second photoelectric switch, a circuit board and a skeleton body according to an embodiment of the present invention, fig. 8 shows a structure schematic diagram of a printer core according to an embodiment of the present invention, fig. 9 is an external view of the stationary blade module according to the embodiment of the present invention.
Referring to fig. 1 to 9, the automatic cutter system based on the modular architecture according to the embodiment of the present invention is applied to a thermal printing assembly, the thermal printing assembly includes a printer core 100 and a main control board, and the automatic cutter system includes a moving blade module 200, a fixed blade module 300, a moving blade driving module 400, and a moving blade position detecting module 500;
the movable knife module 200 comprises a framework body 210, a movable knife rest 220 and a movable knife 230, wherein the framework body 210 is provided with a first side, a second side and a third side which are opposite; the moving blade holder 220 is disposed on a first side of the frame body 210 and can drive the moving blade 230 to reciprocate in a predetermined direction under the action of an external driving force;
the moving blade driving module 400 is arranged in the framework body 210 and comprises a first motor 410 and a shifting piece 420, and the shifting piece 420 and a rotating shaft of the first motor 410 are arranged in a linkage manner to provide external driving force for the moving blade carrier 220;
the moving blade position detection module 500 is arranged in the framework body 210 and below the moving blade carrier 220, and comprises a circuit board 510, and a first photoelectric switch 520 and a second photoelectric switch 530 which are arranged on the circuit board 510, wherein the first photoelectric switch 520 is used for detecting that the moving blade 230 is fed in place, and the second photoelectric switch 530 is used for detecting that the moving blade 230 is withdrawn in place;
the printer core 100 is half-embedded and detachably arranged on the third side of the framework 210, and comprises a printing head 110, a second motor 120 and a paper winding shaft 130 which is linked with a rotating shaft of the second motor 120;
the fixed knife module 300 comprises a built-in fixed knife 310, and the fixed knife 310 is used for matching with the movable knife 230 in the cutting in place to cut the slip output through the gap between the printing head 110 and the paper roll 130;
the first motor 410, the circuit board 510, the print head 110, and the second motor 120 are all electrically connected to the main control board.
In the embodiment of the present invention, the printer core 100 is implemented by a standard 2-inch thermal printer core. The automatic cutter system based on the modular framework is matched with standard 2-inch thermal printer cores of different specifications (working voltage) for use, is suitable for various application scenes, and realizes functions of high-voltage high-speed printing and cutting, low-voltage high-speed printing and cutting and the like.
In the embodiment of the present invention, the toggle member 420 is engaged with the movable tool holder 220, and the first motor 410 and the toggle member 420 are linked through a gear box. The main control board is used for controlling the first motor 410 to rotate forward or reversely, the torque output by the first motor 410 is transmitted to the toggle part 420 through the gear box, and the toggle part 420 is used for converting the torque output by the gear box into a linear torque applied to the moving tool rest 220.
Further, fig. 10 shows a schematic structural diagram of the skeleton body at one viewing angle of the embodiment of the present invention, fig. 11 shows a schematic structural diagram of the skeleton body at another viewing angle of the embodiment of the present invention, and fig. 12 shows a schematic structural diagram of the housing of the embodiment of the present invention. Referring to fig. 2, 10-12, in the embodiment of the present invention, the movable blade module 200 further includes a housing 240, and the skeleton body 210 further has a fourth side opposite to the third side, and opposite first and second ends;
the housing 240 covers the skeleton body 210 and the second and third sides of the skeleton body 210 are exposed;
a first guide groove 211 is formed at a first end of the skeleton body 210, and a first guide rib 241 matched with the first guide groove 211 is formed at an inner side of the first end of the housing 240;
a second guide groove 212 is provided on a second end of the frame body 210, and a second guide rib 242 matching the second guide groove 212 is provided on an inner side of the second end of the housing 240.
Still further, referring to fig. 10 to 12, in the embodiment of the present invention, a first positioning column 213 is further disposed at the first end of the skeleton body 210, a first positioning hole 243 matched with the first positioning column 213 is disposed at the first end of the housing 240, and a side of the first positioning column 213 facing the fourth side of the skeleton body 210 is provided with a first guiding inclined plane;
a second positioning column 214 is further disposed at the second end of the framework 210, a second positioning hole 244 matched with the second positioning column 214 is disposed at the second end of the housing 240, and a second guiding inclined plane is disposed on a side of the second positioning column 244 facing the fourth side of the framework 210.
Still further, fig. 13 shows an internal structural schematic diagram of the fixed blade module according to the embodiment of the present invention, wherein the fixed blade cover is not shown. Referring to fig. 9 and 13, in the embodiment of the present invention, the fixed blade module 300 further includes a fixed blade seat 320, a fixed blade cover 330, and an elastic support 340, wherein the fixed blade seat 320 has a bottom plate;
the stationary knife holder 320 and the stationary knife cover 330 are mutually arranged to form a shell with one open side;
the fixed knife 310 is arranged on the fixed knife seat 320 and is obliquely arranged through the elastic supporting body 340, the knife edge part of the fixed knife 310 is positioned on the opening side of the shell, and the distance between the knife edge part and the bottom plate of the fixed knife seat 320 is larger than the distance between the knife root part of the fixed knife 310 and the bottom plate of the fixed knife seat 320;
the stationary blade cover 330 contacts the stationary blade 310.
In the embodiment of the present invention, the fixed knife 310 is obliquely disposed through the elastic support 340, that is, the blade portion of the fixed knife 310 is lifted upward relative to the blade root portion, so that the blade portion of the fixed knife 310 is in close contact with the blade portion of the movable knife 230 during the feeding process of the movable knife 230, and further the fixed knife 310 and the movable knife 230 are better matched to cut the printed receipt.
Still further, fig. 14 shows a schematic structural view of the stationary knife seat according to the embodiment of the present invention, and fig. 15 shows a schematic structural view of the stationary knife according to the embodiment of the present invention. Referring to fig. 13 to 15, in the embodiment of the present invention, the fixed blade holder 320 further includes a first end plate, a second end plate, and a side plate, and the first end plate, the second end plate, the side plate, and the bottom plate of the fixed blade holder 320 form a structure with an open top and an open side;
a first limiting blocking rib 321 is arranged on the inner side of the first end plate of the fixed cutter seat 320, a second limiting blocking rib 322 is arranged on the inner side of the second end plate of the fixed cutter seat 320, and a first notch 311 matched with the first limiting blocking rib 321 and a second notch 312 matched with the second limiting blocking rib 322 are respectively arranged on two ends of the cutting edge part of the fixed cutter 310;
the elastic support 340 includes a first spring 341 and a second spring 342, and the first spring 341 and the second spring 342 are disposed on the bottom plate of the stationary blade holder 320.
In the embodiment of the present invention, the first limiting rib 321 and the second limiting rib 322 disposed on the fixed blade holder 320 and the fixed blade cover 330 together limit the fixed blade 310 to move in a limited moving space, so as to cooperate with the movement of the movable blade 230; two spring limiting grooves 329 are arranged on a bottom plate of the fixed cutter seat 320, the first spring 341 and the second spring 342 are respectively and fixedly arranged in the corresponding spring limiting grooves 329, the fixed cutter seat 320 and the fixed cutter 310 limit the first spring 341 and the second spring 342 in a limited space together, and the first spring 341 and the second spring 342 only provide upward blade part pretightening force for the fixed cutter 310 and cannot be separated from the fixed cutter module 300.
Still further, fig. 16 shows a structural schematic diagram of the fixed knife cover at one viewing angle of the embodiment of the present invention, fig. 17 shows a structural schematic diagram of the fixed knife cover at another viewing angle of the embodiment of the present invention, and fig. 18 shows a structural schematic diagram of the fixed knife cover at still another viewing angle of the embodiment of the present invention. Referring to fig. 14, 16-18, in the embodiment of the present invention, the fixed blade cover 330 includes a top plate, a first end plate, a second end plate, and a side plate, and the top plate, the first end plate, the second end plate, and the side plate of the fixed blade cover 330 form a structure with an open bottom and one open side;
a first groove 323, a third guide rib 324 and a second groove 325 are formed on the side plate of the fixed cutter seat 320 in sequence along the extending direction;
a fixed cutter positioning body 350 which is contacted with the fixed cutter 310 is arranged on the inner side of the top plate of the fixed cutter cover 330, the fixed cutter positioning body 350, the top plate, the first end plate, the second end plate and the side plate of the fixed cutter cover 330 enclose a third guide groove 360, and the third guide groove 360 is matched with the third guide rib 324;
a first tongue 331 matching the first groove 323 is formed on the first end plate of the stationary blade cover 330, and a second tongue 332 matching the second groove 325 is formed on the second end plate of the stationary blade cover 330.
Still further, referring to fig. 14, 16 and 17, in the embodiment of the present invention, the first end plate and the first tongue 331 of the fixed tool seat 320 and the second end plate and the second tongue 332 of the fixed tool seat 320 are both fixedly disposed by bolts;
a third positioning post 333 is arranged on the first end plate of the fixed cutter cover 330, a third positioning hole 326 matched with the third positioning post 333 is arranged on the first end plate of the fixed cutter seat 320, a third guiding inclined surface is arranged on one side of the third positioning post 333 facing the bottom plate of the fixed cutter seat 320,
a fourth positioning column 334 is disposed on the second end plate of the fixed blade cover 330, a fourth positioning hole 327 matched with the fourth positioning column 334 is disposed on the second end plate of the fixed blade holder 320, and a fourth guiding inclined surface is disposed on a side of the fourth positioning column 334 facing the bottom plate of the fixed blade holder 320.
Still further, fig. 19 is a schematic external view showing a combination of the fixed blade module and the printer core according to the embodiment of the present invention. Referring to fig. 13, 14 and 19, in the embodiment of the present invention, a sleeving structure 328 is disposed outside the bottom plate of the fixed blade holder 320, the sleeving structure 328 has a first opening sleeving portion and a second opening sleeving portion, and the first opening sleeving portion and the second opening sleeving portion are respectively sleeved on two ends of the paper winding shaft 130.
Still further, fig. 20 shows a schematic relative position diagram of the first cover plate and the skeleton body in the embodiment of the present invention, and fig. 21 shows a schematic relative position diagram of the second cover plate and the skeleton body in the embodiment of the present invention. Referring to fig. 20 and 21, in the embodiment of the present invention, a portion of the second side of the frame body 210, which is opposite to the first motor 410 and the toggle member 420, is an open area, the moving blade driving module 400 further includes a first cover plate 430, and the first cover plate 430 is disposed on the second side of the frame body 210 and covers the open area thereon, so as to fix the first motor 410 and the toggle member 420 in the frame body 210;
the moving blade position detecting module 500 further includes a second cover 540, the second cover 540 is disposed on the first side of the skeleton body 210 and covers the circuit board 510 to fix the circuit board 510 in the skeleton body 210, and a first through hole 541 opposite to the first photoelectric switch 520 and a second through hole 542 opposite to the second photoelectric switch 530 are disposed on the second cover 540.
Still further, referring to fig. 6 and 7, in the embodiment of the present invention, a fourth guide rib 221 and a fifth guide rib 222 are provided on the sliding surface of the moving blade holder 220, and a fourth guide groove 215 and a fifth guide groove 216 are provided on the first side of the frame body 210. The fourth guide rib 221 is matched with the fourth guide groove 215, and the fifth guide rib 222 is matched with the fifth guide groove 216, so as to realize the sliding guide of the moving knife rest 220 on the framework body 210. In order to realize the fool-proof limit of the moving blade holder 220, the moving blade module 200 is provided with a corresponding forward stop position and a backward stop position, wherein the forward stop position is realized by a barrier strip 217 formed on the first side of the framework body 210, and the backward stop position is realized by a housing 240.
In the embodiment of the present invention, the movable blade 230 has two states of feeding in place and retracting in place. Wherein, the specific process of feeding in place comprises the following steps: the main control board controls the first motor 410 to rotate forward so that the moving blade carrier 220 drives the moving blade 230 to move forward, in the process of moving the moving blade carrier 220 forward, the state of the first photoelectric switch 520 is changed from being shielded by the moving blade carrier 220 to being not shielded, at the moment, the first photoelectric switch 520 outputs a moving blade feeding in-place detection signal, and the main control board responds to the moving blade feeding in-place detection signal to control the first motor 410 to stop rotating. At this time, the movable blade 230 is in the feeding in-place state, and the length of the movable blade 230 extending out of the housing 240 in the feeding in-place state reaches a predetermined length and cooperates with the fixed blade 310 in the fixed blade module 300 to cut the printed receipt. The specific process of tool withdrawal in place comprises the following steps: the main control board controls the first motor 410 to rotate reversely so that the moving blade carrier 220 drives the moving blade 230 to retreat, in the process of retreating the moving blade carrier 220, the state of the second photoelectric switch 530 is changed from being shielded by the moving blade carrier 220 to being not shielded, at the moment, the second photoelectric switch 530 outputs a moving blade retreating in-place detection signal, and the main control board responds to the moving blade retreating in-place detection signal to control the first motor 410 to stop rotating. At this time, the movable blade 230 is in the retracting in-position state, that is, the movable blade 230 retracts to a predetermined position in the movable blade module 200.
When the moving knife is fed in place, a first safety interval is kept between the moving knife rest 220 and the barrier strip 217; when the moving blade retracts to the right position, a second safety distance is kept between the moving blade holder 220 and the cover 240.
In practical application, the automatic cutter system based on the modular framework of the embodiment of the invention is arranged in a paper bin of a 2-inch automatic cutter thermal printer, the fixed cutter module 300 and a cover plate of the paper bin are detachably and fixedly arranged, and the movable cutter module 200 and corresponding mechanism parts in the paper bin are detachably and fixedly arranged.
Correspondingly, on the basis of the automatic cutter system based on the modular architecture provided by the embodiment of the invention, the embodiment of the invention also provides a control method, which is applied to a main control board and used for controlling the automatic cutter system based on the modular architecture provided by the embodiment of the invention.
The control method of the automatic cutter system based on the modular architecture comprises the following steps:
responding to a printing completion signal from a printing head, and outputting a first motor forward driving instruction, wherein the first motor forward driving instruction is used for realizing moving blade feeding;
stopping outputting a forward driving instruction of a first motor in response to a moving blade feed in-place detection signal from a first photoelectric switch;
outputting a first motor reverse driving instruction after a preset time interval, wherein the first motor reverse driving instruction is used for realizing moving knife retracting;
and stopping outputting the reverse driving command of the first motor in response to a moving blade retracting to-position detection signal from the second photoelectric switch.
In the embodiment of the invention, the main control board mainly has the following two functions:
firstly, controlling the printer core 100 to complete the printing action:
when printing is needed, the main control board transmits a printing signal and a printing content signal to the printer core 100 through a 24pin signal line, and the printer core 100 drives the second motor 120 to rotate to enable the paper winding shaft 130 to feed paper after receiving the printing signal. In the process of feeding paper, the thermosensitive device of the print head 110 converts the print content signal transmitted by the main control board into a thermosensitive signal to form print content on the thermosensitive printing paper, thereby obtaining the receipt. After printing is completed, the printer core 100 transmits a printing completion signal to the main board through the 24pin signal line, and the main control board controls the second motor 120 to stop, thereby completing the entire printing operation.
Secondly, controlling the automatic cutter system to cut the receipt strip:
the main control board outputs a first motor forward driving command to the first motor 410 through a 4pin signal line to control the feeding of the moving blade 230. When the moving blade 230 is fed in place, the circuit board 510 transmits the moving blade feeding in-place detection signal output by the first photoelectric switch 520 to the main control board through a 6pin signal line. After receiving the moving-blade-in-position detection signal, the main control board stops outputting the first motor forward driving command to stop the first motor 410. The movable knife 230 in the feeding-in-position state completes the cutting of the receipt strip through the cooperation with the fixed knife 310 in the fixed knife module 300.
After the receipt strip is cut, the main control board outputs a first motor reverse driving command to the first motor 410 through the 4pin signal line to control the moving blade 230 to retract. When the moving blade 230 retracts in place, the circuit board 510 transmits the moving blade retraction in-place detection signal output by the second photoelectric switch 530 to the main control board through a 6pin signal line. After receiving the moving blade retracting in-place detection signal, the main control board stops outputting the first motor reverse driving command to stop the first motor 410. At this point the moving blade 230 and moving blade holder 220 have retracted inside the moving blade module 200.
Specifically, when the movable blade 230 is in the retracting and in-position state, the first photoelectric switch 520 outputs a low level signal, and the second photoelectric switch 530 outputs a high level signal; when the moving blade 230 is in the cutting-in-place state, the first photoelectric switch 520 outputs a high-level signal, and the second photoelectric switch 530 outputs a low-level signal.
Although one or more embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that the present invention can be embodied in any other forms without departing from the spirit or scope thereof. Accordingly, the above-described embodiments are intended to be illustrative, not limiting, and many modifications and alterations may be apparent to those of ordinary skill in the art without departing from the spirit and scope of the invention, as defined by the following claims.

Claims (10)

1. An automatic cutter system based on a modular framework is applied to a thermal printing assembly, the thermal printing assembly comprises a printer core and a main control board, and the automatic cutter system is characterized by comprising a fixed cutter module, a movable cutter driving module and a movable cutter position detection module;
the movable knife module comprises a framework body, a movable knife rest and a movable knife, the framework body is provided with a first side, a second side and a third side, the first side is opposite to the second side, and 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 movable knife driving module is arranged in the framework body and comprises a first motor and a shifting piece, and the shifting piece is in linkage arrangement with a rotating shaft of the first motor to provide the external driving force;
the movable knife position detection module is arranged in the framework body and positioned below the movable knife rest, and comprises a circuit board, a first photoelectric switch and a second photoelectric switch, wherein the first photoelectric switch and the second photoelectric switch are arranged on the circuit board;
the printer core is semi-embedded and detachably arranged on the third side of the framework body and comprises a printing head, a second motor and a paper winding shaft which is in linkage with a rotating shaft of the second motor;
the fixed cutter module comprises a built-in fixed cutter, and the fixed cutter is used for being matched with the movable cutter in the position of feed to cut the receipt strip output through the gap between the printing head and the paper winding shaft;
the first motor, the circuit board, the printing head and the second motor are electrically connected with the main control board.
2. The modular architecture based automatic cutter system of claim 1, wherein the moving blade module further comprises a housing, the skeleton body further having a fourth side opposite to the third side, and opposite first and second ends;
the housing covers the framework body, and the second side and the third side are exposed;
a first guide groove is formed in the first end of the framework body, and a first guide rib matched with the first guide groove is arranged on the inner side of the first end of the housing;
and a second guide groove is formed in the second end of the framework body, and a second guide rib matched with the second guide groove is arranged on the inner side of the second end of the housing.
3. The automatic cutter system based on the modular architecture according to claim 2, wherein a first positioning column is further disposed on the first end of the framework body, a first positioning hole matched with the first positioning column is disposed on the first end of the housing, and a side of the first positioning column facing to the fourth side of the framework body is provided with a first guiding inclined plane;
a second positioning column is further arranged at the second end of the framework body, a second positioning hole matched with the second positioning column is formed in the second end of the housing, and a second guide inclined surface is arranged on one side, facing the fourth side of the framework body, of the second positioning column.
4. The modular architecture based automatic cutter system of claim 1, wherein the stationary cutter module further comprises a stationary cutter seat, a stationary cutter cover, and an elastic support, the stationary cutter seat having a bottom plate;
the fixed cutter seat and the fixed cutter cover are mutually arranged to form a shell with one open side;
the fixed cutter is arranged on the fixed cutter seat and is obliquely arranged through the elastic supporting body, the blade part of the fixed cutter is positioned on the opening side of the shell, and the distance between the blade part and the bottom plate of the fixed cutter seat is larger than the distance between the blade root part of the fixed cutter and the bottom plate of the fixed cutter seat;
the fixed cutter cover is in contact with the fixed cutter.
5. The modular architecture based automatic cutter system of claim 4, wherein the fixed cutter seat further comprises a first end plate, a second end plate and a side plate, and the first end plate, the second end plate, the side plate and the bottom plate of the fixed cutter seat form a structure with an open top and one side;
a first limiting blocking rib is arranged on the inner side of a first end plate of the fixed cutter seat, a second limiting blocking rib is arranged on the inner side of a second end plate of the fixed cutter seat, and a first notch matched with the first limiting blocking rib and a second notch matched with the second limiting blocking rib are respectively arranged at two ends of a blade part of the fixed cutter;
the elastic supporting body comprises a first spring and a second spring, and the first spring and the second spring are arranged on the bottom plate of the fixed tool seat.
6. The modular architecture based automatic cutter system according to claim 5, wherein the fixed cutter cover comprises a top plate, a first end plate, a second end plate and a side plate, and the top plate, the first end plate, the second end plate and the side plate of the fixed cutter cover form a structure with an open bottom and one open side;
a first groove, a third guide rib and a second groove are sequentially formed on the side plate of the fixed cutter seat along the extension direction of the side plate;
a fixed cutter positioning body which is contacted with the fixed cutter is arranged on the inner side of the top plate of the fixed cutter cover, the fixed cutter positioning body, the top plate, the first end plate, the second end plate and the side plate of the fixed cutter cover enclose a third guide groove, and the third guide groove is matched with the third guide rib;
and a first tongue matched with the first groove is formed on the first end plate of the fixed cutter cover, and a second tongue matched with the second groove is formed on the second end plate of the fixed cutter cover.
7. The modular architecture based automatic cutter system of claim 6, wherein a first end plate and the first tongue of the stator seat and a second end plate and the second tongue of the stator seat are fixedly arranged by bolts;
and/or the presence of a gas in the gas,
a third positioning column is arranged on the first end plate of the fixed cutter cover, a third positioning hole matched with the third positioning column is arranged on the first end plate of the fixed cutter seat, a third guide inclined plane is arranged on one side of the third positioning column, which faces the bottom plate of the fixed cutter seat,
a fourth positioning column is arranged on the second end plate of the fixed cutter cover, a fourth positioning hole matched with the fourth positioning column is arranged on the second end plate of the fixed cutter seat, and a fourth guide inclined plane is arranged on one side, facing the bottom plate of the fixed cutter seat, of the fourth positioning column.
8. The automatic cutter system based on modular architecture as claimed in claim 7, wherein a sleeving structure is provided outside a bottom plate of the stationary knife holder, the sleeving structure has a first opening sleeving portion and a second opening sleeving portion, and the first opening sleeving portion and the second opening sleeving portion are respectively sleeved on two ends of the paper winding shaft.
9. The automatic cutter system based on the modular architecture according to claim 1, wherein a portion of the second side of the frame body opposite to the first motor and the toggle member is an open area, the movable cutter driving module further comprises a first cover plate disposed on the second side of the frame body and covering the open area to fix the first motor and the toggle member in the frame body;
and/or the presence of a gas in the gas,
the moving blade position detection module further comprises a second cover plate, the second cover plate is arranged on the first side of the framework body and covers the circuit board so as to fix the circuit board in the framework body, and a first through hole opposite to the first photoelectric switch and a second through hole opposite to the second photoelectric switch are formed in the second cover plate.
10. The control method of the automatic cutter system according to any one of claims 1 to 9, applied to a main control board, wherein the control method comprises:
responding to a printing completion signal from the printing head, and outputting a first motor forward driving instruction, wherein the first motor forward driving instruction is used for realizing the moving blade feeding;
stopping outputting the forward driving instruction of the first motor in response to a moving blade feed in-place detection signal from a first photoelectric switch;
outputting a first motor reverse driving instruction after a preset time interval, wherein the first motor reverse driving instruction is used for realizing the moving knife retracting;
and stopping outputting the reverse driving command of the first motor in response to a moving blade retracting to-position detection signal from the second photoelectric switch.
CN202210779825.2A 2022-07-04 2022-07-04 Automatic cutter system based on modularized framework and control method Active CN114987069B (en)

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Application Number Priority Date Filing Date Title
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CN114987069B CN114987069B (en) 2023-09-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009107090A (en) * 2007-10-31 2009-05-21 Fujitsu Isotec Ltd Paper cutting unit in printing apparatus
KR101282299B1 (en) * 2012-12-21 2013-07-10 이일복 Cutter of printer
CN105730025A (en) * 2016-04-19 2016-07-06 重庆品胜科技有限公司 Cutter structure and printer with same
JP6697058B1 (en) * 2018-12-05 2020-05-20 シチズン時計株式会社 Printer
CN213226326U (en) * 2020-07-20 2021-05-18 厦门汉印电子技术有限公司 Cutter structure and printer core
CN112848703A (en) * 2020-12-31 2021-05-28 厦门汉印电子技术有限公司 Printing equipment, cutter control method and device thereof, and storage medium

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009107090A (en) * 2007-10-31 2009-05-21 Fujitsu Isotec Ltd Paper cutting unit in printing apparatus
KR101282299B1 (en) * 2012-12-21 2013-07-10 이일복 Cutter of printer
CN105730025A (en) * 2016-04-19 2016-07-06 重庆品胜科技有限公司 Cutter structure and printer with same
JP6697058B1 (en) * 2018-12-05 2020-05-20 シチズン時計株式会社 Printer
CN213226326U (en) * 2020-07-20 2021-05-18 厦门汉印电子技术有限公司 Cutter structure and printer core
CN112848703A (en) * 2020-12-31 2021-05-28 厦门汉印电子技术有限公司 Printing equipment, cutter control method and device thereof, and storage medium

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