CN111619244B

CN111619244B - One-inch portable thermal transfer printing label printer

Info

Publication number: CN111619244B
Application number: CN202010240663.6A
Authority: CN
Inventors: 刘伟宏
Original assignee: Detong Electronic Technology Jiangsu Co ltd
Current assignee: Detong Electronic Technology Jiangsu Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-10-08
Anticipated expiration: 2040-03-31
Also published as: CN111619244A

Abstract

The invention relates to the field of printers, in particular to a one-inch portable thermal transfer label printer which comprises a shell, a printing head assembly and a consumable box, wherein the consumable box is arranged on the shell and is used for accommodating a ribbon cartridge; the locking mechanism is hinged to the shell on the side of the consumable box and used for locking the printing head assembly and fixing the ribbon cartridge; the driving part is arranged in the shell and drives the ribbon cartridge and the printing head assembly to work; detect control module and power, it includes the main chip to detect control module, installs locking detection chip and consumptive material detection chip in locking mechanism, consumptive material box side or bottom respectively, the power provides the electric energy. The invention has the beneficial effects that: simple structure can realize the printing of heat-transfer seal label when overall arrangement is compact, and locking mechanism still prevents ribbon cartridge and beat printer head assembly and falls the damage simultaneously.

Description

One-inch portable thermal transfer printing label printer

Technical Field

The invention relates to the field of printers, in particular to a portable thermal transfer printing label printer.

Background

The thermal transfer label printer uses the carbon ribbon as a printing medium, the carbon powder coating on the carbon ribbon is heated and transferred onto paper or other materials, and because the coating material on the carbon ribbon can be selected according to the requirement, stronger adhesive force is generated, and the selection of the printing medium can ensure that the printed handwriting is not influenced by the outside world, therefore, in the fields of POS terminal systems, bank systems, medical instruments and the like, the portable printer is widely popularized and used by virtue of excellent portability and convenience.

At present, most one inch printers on the market print the form more singlely, can not print the cross cutting label, and its label box ejection mechanism is ejecting behind more, and the structure is complicated, and ejection key sets up at the printer back very easy spurious triggering, difficult operation.

Disclosure of Invention

The invention aims to provide a one-inch portable thermal transfer label printer to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a portable one-inch thermal transfer label printer comprises a shell, a printing head assembly and a consumable box, wherein the consumable box is arranged on the shell and used for accommodating a ribbon box; the locking mechanism is hinged to the shell on the side of the consumable box and used for locking the printing head assembly and fixing the ribbon cartridge; the driving part is arranged in the shell and drives the ribbon cartridge and the printing head assembly to work; detect control module and power, it includes the main chip to detect control module, installs locking detection chip and consumptive material detection chip in locking mechanism, consumptive material box side or bottom respectively, the power provides the electric energy.

As a further scheme of the invention: the shell is formed by splicing an upper shell and a lower shell, and a display area and a control key are arranged on the surface of the upper shell; the center of the upper shell is provided with a middle hole.

As a still further scheme of the invention: a paper outlet is formed in the side end of the shell corresponding to the position of the printing head assembly, and a paper tearing knife is installed on the side of the paper outlet; the back of the bottom end of the machine shell is provided with a double-arc-shaped groove for holding.

As a still further scheme of the invention: the bottom of the casing is provided with a rope hanging opening.

As a still further scheme of the invention: the shell is provided with a battery compartment capable of accommodating a power supply, and/or a data interface for data exchange and/or charging, and/or a power line for charging.

As a still further scheme of the invention: the ribbon cartridge comprises an upper ribbon cartridge shell, a lower ribbon cartridge shell, a paper pressing rotating shaft, a paper pressing torsion spring, a ribbon reel pressure spring and a ribbon reel, wherein the upper ribbon cartridge shell and the lower ribbon cartridge shell are encapsulated by the lower ribbon cartridge shell; the paper pressing torsion spring is sleeved on the paper pressing rotating shaft, and the ink ribbon reel pressure spring is sleeved on the ink ribbon reel.

As a still further scheme of the invention: locking mechanism includes the pivot and installs the hasp and the rubber roll bracket component at pivot both ends, install the cam in the pivot, when the pivot rotates the cam compresses tightly the rubber roll bracket component, be provided with in the rubber roll bracket component and be used for compressing tightly the spring that beats printer head.

As a still further scheme of the invention: the driving mechanism comprises a motor, a transmission steel shaft, a steel machine core and a gear set, the gear set is installed on the steel machine core at the end part of the transmission steel shaft, the motor drives the gear set to rotate, and the transmission steel shaft is sleeved with a damping spring and a ribbon recovery rotating shaft.

As a still further scheme of the invention: the gear set comprises a gear f, and a gear a, a gear b, a gear c, a gear d and a gear e which are meshed in sequence, wherein the gear d is also meshed with the gear f.

As a still further scheme of the invention: the detection control module further comprises a temperature sensor and/or a Bluetooth module and/or a wireless communication module.

Compared with the prior art, the invention has the beneficial effects that: simple structure, overall arrangement can realize the printing of heat-transfer seal label when compact, and locking mechanism locks the dropproof damage to ribbon cartridge and printer head simultaneously.

Drawings

Fig. 1 is a schematic view of a one-inch portable thermal transfer label printer.

FIG. 2 is a rear view of a one inch portable thermal transfer label printer.

Fig. 3 is a schematic view of a ribbon cartridge in a one inch portable thermal transfer label printer.

Fig. 4 is a schematic view of a driving part in a one-inch portable thermal transfer label printer.

Fig. 5 is a schematic structural view of the gear set of fig. 4.

Fig. 6 is a working schematic diagram of a main chip in the detection control module according to the present invention.

FIG. 7 is a schematic diagram of the circuitry of the paper sensor in an exemplary embodiment.

FIG. 8 is a schematic diagram of the operation of the paper sensor in an exemplary embodiment.

FIG. 9 is a schematic circuit diagram of a consumable detection chip according to an embodiment.

FIG. 10 is a block diagram of a paper detection process in an exemplary embodiment.

FIG. 11 is a schematic circuit diagram of a lock detection chip in an embodiment.

FIG. 12 is a schematic diagram of a Main Chip (MCU) circuit in an embodiment.

In the drawings: 1-ribbon cartridge, 2-locking rod, 3-paper outlet, 4-paper tearing knife, 5-display area, 6-control button, 7-USB interface, 8-rope hanging port, 9-anti-slip salient point, 10-battery cover, 11-ribbon cartridge upper shell, 12-ribbon reel pressure spring, 13-ribbon reel, 14-lower shell ribbon end cover, 15-consumable detection chip, 16-lower shell paper roll cover plate, 17-paper roll, 18-paper pressing rotating shaft, 19-paper pressing torsion spring, 20-paper detection chip, 21-lock catch, 22-rotating shaft, 23-paper bin, 24-locking detection chip, 25-rubber roll bracket component, 26-printing head component, 27-motor, 28-paper tearing knife, 29-consumable detection chip, 30-ribbon recovery rotating shaft, 31-damping torsion spring, 32-transmission steel shaft, 33-steel movement, 34-gear set, 35-gear a, 36-gear b, 37-gear c, 38-gear d, 39-gear e, 40-gear f and ZZ-paper surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, in an embodiment of the present invention, an inch portable thermal transfer label printer includes a housing, a printhead assembly 26, and a consumable cartridge disposed on the housing for accommodating a ribbon cartridge 1; the locking mechanism is hinged to the shell on the side of the consumable box and used for locking the printing head assembly 26 and fixing the ribbon cartridge 1; drive means mounted in the housing for driving operation of the ink ribbon cassette and printhead assembly 26; detect control module and power, it includes the main chip to detect control module, installs locking detection chip 24 and consumptive material detection chip 29 in locking mechanism, consumptive material box bottom respectively, the power provides the electric energy.

Specifically, one end of the locking mechanism fixes the ribbon cartridge 1, and the other end simultaneously locks the printhead assembly 26; the power supply is installed at the bottom of the casing, and the main chip receives signals of the locking detection chip 24 and the consumable detection chip 29. As shown in fig. 6, the main chip is an MCU, the consumable detection chip includes a paper detection chip 20 and a consumable anti-counterfeit chip, the locking detection chip 24 is a print head pressing sensor, and the print head pressing sensor and the paper detection chip 20 are a photoelectric switch U3 and a photoelectric switch U2, respectively.

As shown in fig. 11, the transmitting tube of the opto-electronic switch U3 transmits infrared light to detect whether the printhead in the printhead assembly 26 is pressed in place, and the receiving tube of the opto-electronic switch U3 receives the reflected infrared light to provide a signal to the main chip, which processes the signal. The 2 nd pin of the photoelectric switch U3 is the anode of a transmitting tube and is connected with a power supply of 3.3V, the 1 st pin of the photoelectric switch U3 is the cathode of the transmitting tube and is connected with a current limiting resistor R7 and a ground wire in series to realize the transmitting function of infrared rays, and the intensity of the infrared rays is adjusted by the current limiting resistor R7; the 3 rd pin of the photoelectric switch U3 is a collector of a receiving tube and is connected with a power supply of 3.3V, the 4 th pin of the photoelectric switch U3 is an emitter of the receiving tube and is connected in series with a bias resistor R9 and a current-limiting resistor R5, the bias resistor R9 is grounded, and a signal is sent to an ADC (analog to digital converter) interface of the MCU through the current-limiting resistor R5, so that the in-place detection data of the printing head is obtained.

Referring to fig. 7-10, the photoelectric switch U2 detects the presence or absence of the plane ZZ and the boundary of the sheet; the main chip reads the consumable information stored in the consumable anti-counterfeiting chip in an encrypted manner, and the consumable is judged to be a genuine consumable. The main chip controls the driving part to be electrified, the printing head component 26 works, and the driving part drives the paper roll 17 in the ribbon cartridge 1 to discharge paper and transfer ribbon to realize paper discharge and printing; specifically, the 2 nd pin of the photoelectric switch U2 is the anode of a transmitting tube and is connected with a power supply of 3.3V, the 1 st pin of the photoelectric switch U2 is the cathode of the transmitting tube and is connected in series with a current limiting resistor R6 and then a ground wire, so that the infrared transmitting function is realized, and the intensity of the infrared transmitting function is adjusted by the current limiting resistor R6; the 3 rd pin of the photoelectric switch U2 is a collector of an infrared receiving tube and is connected with a power supply of 3.3V, the 4 th pin of the photoelectric switch U2 is an emitter of the receiving tube and is connected with a bias resistor R8 and a current-limiting resistor R4 in series, the bias resistor R8 is grounded, and signals are sent to an ADC (analog to digital converter) interface of the MCU through the current-limiting resistor R4, so that the detection data of the paper are obtained.

Referring to fig. 12, in the embodiment of the present invention, the detection control module further includes a temperature sensor and/or a bluetooth module and/or a wireless communication module.

Specifically, main chip control temperature-sensing ware bluetooth module U4 and wireless communication module U8 (WIFI module) work, temperature-sensing ware adopts thermistor for the perception ambient temperature to feed back to main chip, realize printing speed's regulation. The Bluetooth module U4 and the wireless communication module U8 can both realize communication with external electronic equipment such as a mobile phone or a computer, transmit label information to the main chip in a wireless mode, and then complete printing of labels. Printing of paper operated by the Bluetooth module U4 and the wireless communication module U8 is realized.

Referring to fig. 1 and 2, in the embodiment of the present invention, the casing is formed by splicing an upper casing and a lower casing, and a display area 5 and a control key 6 are arranged on the surface of the upper casing; the center of the upper shell is provided with a middle hole.

Specifically, the surface of the upper shell is provided with a display area 5 for displaying detailed printed information, and the number of the control keys 6 is two, and the control keys respectively control the functions of startup and shutdown/setting and paper feeding/confirming. The center hole that the epitheca center was equipped with is used for after locking mechanism loosens, conveniently takes out the ribbon cartridge from the consumptive material box. The display area is provided with a 0.96-inch yellow-blue double-color screen U7, and the main chip controls the display area 5 to display printing detailed information. Printing of the paper can be manually operated by the control key 6.

Referring to fig. 1 and 2, in the embodiment of the present invention, a paper outlet 3 is disposed at a position of the side end of the casing corresponding to the printhead assembly, and a paper tearing blade 4 is installed at the side of the paper outlet 3; the back of the bottom end of the machine shell is provided with a double-arc-shaped groove for holding. The bottom of the casing is provided with a rope hanging opening. The casing is provided with a battery compartment for accommodating a battery, the casing is provided with a data interface (such as a USB interface in fig. 12) J5 for data exchange and/or charging, and the battery compartment is provided with a battery cover 10 in a threaded manner.

Specifically, a paper tearing knife 4 is arranged at the paper outlet 3 side, so that paper is conveniently cut off; the battery cover 10 is additionally arranged on the battery bin to further prevent damage caused by falling, anti-skid salient points 9 are further arranged on the back face of the bottom end of the shell, and the anti-skid salient points 9 are arranged at four corners of the lower shell; placing an inch portable heat-transfer seal label printer in the desktop plays the antiskid effect, the double arc recess lower part that the casing bottom back was equipped with is thinner than upper portion to when watching the detailed information of printing in display area, visual effect is better.

Referring to fig. 3, in the embodiment of the present invention, the ribbon cartridge includes an upper ribbon cartridge case 11, a lower ribbon cartridge case, and a platen rotating shaft 18, a platen torsion spring 19, a ribbon spool pressure spring 12, and a ribbon spool 13, which are enclosed in the upper ribbon cartridge case 11 and the lower ribbon cartridge case. The platen torsion spring 19 is fitted around the platen rotation shaft 18, and the ribbon spool compression spring 12 is fitted around the ribbon spool 13.

Specifically, the ribbon cassette upper shell 11 is made of a transparent material, and related information in the ribbon cassette 1 is visually displayed. There are two ribbon spools 13. One of which acts as a ribbon recovery spool for convolutely recovering used ribbon. A paper bin 23 is arranged on the paper pressing rotating shaft 18 side and used for placing a paper roll 17, the paper pressing rotating shaft 18 drives the paper roll 17 to rotate, and a paper pressing torsion spring 19 is sleeved on the paper pressing rotating shaft 18 and realizes paper discharging and paper returning together with the paper pressing rotating shaft 18; the lower ribbon cartridge shell comprises a lower shell ribbon end cover 14 and a lower shell ribbon roll cover plate 16 which are hinged or pinned with the platen rotating shaft 18 and the ribbon roll 13 respectively, and the paper detection chip 20 is arranged on the lower shell ribbon roll cover plate 16 at the bottom of the platen rotating shaft 18.

Referring to fig. 4, in the embodiment of the present invention, the locking mechanism includes a rotating shaft, and a lock catch and a rubber roller bracket assembly installed at two ends of the rotating shaft, a cam is installed on the rotating shaft, the cam presses the rubber roller bracket assembly when the rotating shaft rotates, and a spring for pressing the printing head is installed in the rubber roller bracket assembly.

Specifically, fixed mounting has hasp 21 in the pivot 22, the outside of epitheca is arranged in to the hasp, forms the check lock lever 2 that locks to the ribbon cartridge, when check lock lever 2 rotated, the cam in the pivot 22 rotated, compressed tightly rubber roll bracket component 25, and rubber roll bracket component 25 accomplishes the locking and the unclamping to the print head.

Referring to fig. 1, 4 and 5, in the embodiment of the present invention, the driving mechanism includes a motor 27, a transmission steel shaft 32, a steel movement 33 and a gear set 34, the gear set 34 is installed on the steel movement 33 at the end of the transmission steel shaft 32, the motor 27 drives the gear set 34 to rotate, and the transmission steel shaft 32 is sleeved with a damping spring 31 and a ribbon recycling rotating shaft 30. The gear set 34 comprises a gear f40, and a gear a35, a gear b36, a gear c37, a gear d38 and a gear e39 which are meshed in sequence, wherein the gear d38 is also meshed with the gear f. The motor 27 is controlled by a motor driving chip.

Specifically, the gear a35 is a motor gear, the gear e is a ribbon recovery spindle gear, and the gear f is a rubber roller gear. The transmission path is as follows: when the printer feeds paper, the paper is conveyed from a gear a35 to a gear b36, conveyed from a gear c37 to a gear d38, conveyed to a gear e39 to drive the paper to be fed, simultaneously conveyed from a gear a35 to a gear b36, conveyed from a gear c37 to a gear d38, conveyed to a gear f40 to drive the paper to be retracted, and the two conveying paths move simultaneously; when the printer is out of paper, only the gear a35 is transmitted to the gear b36 to the gear c37 to the gear d38 to the gear e39, and the other path gear f40 idles and does not work under the action of the paper pressing torsion spring 19.

The working principle of the invention is as follows: the detection of consumables is realized through setting up the detection control module, sets up locking mechanism and locks the ribbon box, still through install the cam additional on locking mechanism, indirectly drives actuating mechanism and realizes compressing tightly or loosening of paper, the rendition of detection control module control actuating mechanism realization paper, the rendition of typewriter ribbon and the recovery of the paper of withdrawing a paper and typewriter ribbon.

It should be noted that the Main Chip (MCU) used in the present invention is an ARM32 bit RISC processor, the main frequency reaches 48MHz, and has 128K Byte FLASH and 16K Byte SRAM. The MCU is externally connected with an extended serial port Flash memory chip (SPI Flash) U5 and a buzzer U9, and the capacity can reach 1M Byte; the buzzer U9 controls the working state of the printing head J6; the motor is a 4-wire drive 2-phase stepper motor with a diameter of 20 mm; the motor is controlled by a motor driver chip U7. The printhead J6 was a 24mm printhead with a print width of 200 dpi.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A portable one-inch thermal transfer label printer comprises a shell, a printing head assembly and a consumable box, wherein the consumable box is arranged on the shell, and a color tape box is accommodated in the consumable box; it is characterized by also comprising:

the locking mechanism is hinged to the shell on the side of the consumable box and used for locking a printing head included by the printing head assembly and fixing the ribbon box;

the driving mechanism is arranged in the shell and is used for driving the ribbon cartridge and the printing head assembly to work; and

the detection control module comprises a main chip, a locking detection chip and a consumable detection chip which are respectively arranged on the sides of the locking mechanism and the consumable box, and the power supply provides electric energy;

the shell is formed by splicing an upper shell and a lower shell, and a display area and a control key are arranged on the surface of the upper shell; a middle hole is formed in the center of the upper shell;

locking mechanism includes the pivot and installs the hasp and the rubber roll bracket component at pivot both ends, install the cam in the pivot, when the pivot rotates the cam compresses tightly the rubber roll bracket component, be provided with in the rubber roll bracket component and be used for compressing tightly the spring that beats printer head.

2. The one-inch portable thermal transfer label printer according to claim 1, wherein a paper outlet is formed in a position of the side end of the housing corresponding to the print head assembly, and a paper tearing knife is mounted on the side of the paper outlet; the back of the bottom end of the machine shell is provided with a double-arc-shaped groove for holding.

3. The one inch portable heat transfer label printer as defined in claim 1, wherein a bottom end of said housing is provided with a string hanging port.

4. A one inch portable thermal transfer label printer according to claim 1, wherein said housing is provided with a battery compartment for receiving a power source, and/or a data interface for data exchange and/or charging, and/or a power cord for charging.

5. The one inch portable heat transfer label printer according to claim 1, wherein said ribbon cartridge comprises an upper ribbon cartridge housing, a lower ribbon cartridge housing, and a platen roller, platen torsion spring, ribbon spool compression spring, and ribbon spool enclosed within said upper ribbon cartridge housing, said lower ribbon cartridge housing; the paper pressing torsion spring is sleeved on the paper pressing rotating shaft, and the ink ribbon reel pressure spring is sleeved on the ink ribbon reel.

6. The one inch portable thermal transfer label printer according to claim 1, wherein the driving mechanism comprises a motor, a transmission steel shaft, a steel core and a gear set, the gear set is mounted on the steel core at the end of the transmission steel shaft, the motor drives the gear set to rotate, and a damping spring and a ribbon recycling rotating shaft are sleeved on the transmission steel shaft.

7. A one inch portable heat transfer label printer according to claim 6, wherein said gear set comprises gear f and gear a, gear b, gear c, gear d, gear e meshing in sequence, said gear d also meshing with said gear f.

8. The one inch portable heat transfer label printer according to claim 1, wherein the detection control module further comprises a temperature sensor and/or a bluetooth module and/or a wireless communication module.