CN220349358U

CN220349358U - Printing apparatus

Info

Publication number: CN220349358U
Application number: CN202322283992.0U
Authority: CN
Inventors: 柳雄; 江建文; 张哲�
Original assignee: Wuhan Jingchen Wisdom Logo Technology Co ltd
Current assignee: Wuhan Jingchen Wisdom Logo Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-01-16
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the technical field of printing equipment, in particular to printing equipment; including paper feed passageway, lower paper unit, print head, antenna module and position sensor, the paper feed passageway be provided with the paper feed end and with the relative play paper end of paper feed end, lower paper unit with the paper feed end is connected, lower paper unit is through the paper feed end to the paper feed through sending into the label paper, finally follow paper end play paper, the label in-process of carrying, can carry out the printing of text information to the label through the print head respectively, position sensor response label's position, and antenna module carries out the read and write to the label data, because antenna module sets up in the one side of keeping away from lower paper unit in the print head, make the antenna keep away from parts such as sheet metal component, PCBA board, and then can avoid sheet metal component, PCBA board etc. to cause the interference to antenna read and write process, need not to set up shielding device of shielding radiation for antenna module alone, and then reducible printing equipment's volume, provide convenience for printing equipment's carrying.

Description

Printing apparatus

Technical Field

The utility model relates to the technical field of printing equipment, in particular to printing equipment.

Background

The common antennas in the ultra-high frequency RFID mainly comprise two types, one type is a dipole and the other type is a microstrip antenna; the most common microstrip antenna in ultra-high frequency RFID is a patch antenna, which uses a ground plate to control the radiation energy to a single-sided direction. Microstrip antennas are commonly used in ultra-high frequency RFID fixed readers of RFID tag printers because of their small size, light weight, and variety of electrical properties.

The utility model discloses a thermal paper RFID label printer of current patent that publication number is CN212708591U, including shell, mainboard, RFID module, RFID antenna module, thermal print head, label sensor and shielding storehouse, the mainboard is connected with RFID module and thermal print head respectively, is equipped with the label passageway in the shell, and thermal print head and RFID antenna module set up in label passageway both sides, and this thermal paper RFID label printer can print the thermal paper label of taking the RFID function.

Inside the printer, in order to prevent electromagnetic interference's such as sheet metal component, PCBA board and the like part from causing the interference to the radiation of RFID antenna, need reserve certain space around the antenna, but because receive miniaturized printer volume's restriction, consequently be difficult to reserve a space of preventing interference for the antenna in the interior space, though current RFID label printer establishes the radome through the cover at the RFID antenna to the interference that the shielding RFID antenna received, cover the radome and will lead to the volume increase of printer, causes inconvenience to the carrying of printer.

Disclosure of Invention

The utility model aims to overcome the technical defects, provides printing equipment, and solves the technical problems that an RFID label printer in the prior art is large in size and inconvenient to carry.

To achieve the above technical object, the present utility model provides a printing apparatus, including:

the paper feeding unit is provided with a paper feeding channel, and the paper feeding channel is provided with a paper feeding end and a paper discharging end opposite to the paper feeding end;

the lower paper unit is connected with the paper feeding end and is used for conveying label paper to the paper feeding channel through the paper feeding end;

the printing head is positioned at one side of the paper discharging unit close to the paper discharging end and is used for printing labels on the label paper of the paper feeding channel;

the antenna module is positioned at one side of the printing head close to the paper outlet end and is used for reading and writing tag data;

and the position sensor is fixed on the antenna module and used for sensing the position of the tag.

Optionally, the antenna module includes a substrate and an antenna, and the antenna and the position sensor are both fixed to the substrate.

Optionally, the top surface of base plate is provided with fixed position, the both ends of antenna are fixed in the top surface of base plate and are located respectively the both sides of fixed position, position sensor's is fixed in fixed position.

Optionally, the substrate is further provided with through holes, the through holes are located at two sides of the fixing position, the antenna comprises a winding part and fixing parts fixed at two ends of the winding part, the fixing parts are fixed on the top surface of the substrate and located at two sides of the fixing position respectively, and the winding part extends to the bottom surface of the substrate through the through holes.

Optionally, the position sensor includes a power input end and a signal output end, the power input end is fixed at the fixed position, and the signal output end is connected with the power input end and extends towards a direction close to the bottom surface of the substrate.

Optionally, the printing device further comprises a signal transmission line, wherein the signal transmission line is connected with the position sensor and the control unit and is used for transmitting the label position sensed by the position sensor to the control unit.

Optionally, the signal transmission line includes a signal line and a shielding layer disposed on a peripheral side of the signal line, where the shielding layer is used to shield interference of signals of the antenna module.

Optionally, the shielding layer includes an upper shielding plate and a lower shielding plate opposite to the upper shielding plate, and the signal line is disposed between the upper shielding plate and the lower shielding plate.

Optionally, the printing apparatus further comprises a platen roller, which is located above the print head, for rolling the label paper of the paper feed path.

Optionally, the printing apparatus further comprises a gap detection sensor located between the printhead and the lower paper unit for detecting a gap between the label paper and the paper feed path.

Compared with the prior art, the printing equipment provided by the utility model has the beneficial effects that: through setting up paper feed unit, lower paper unit, print head, antenna module and position sensor, the paper feed unit forms the paper feed passageway that is provided with paper feed end and with the relative play paper end of paper feed end, lower paper unit with paper feed end is connected, when carrying out the printing work of label paper, lower paper unit is through the paper feed end to the paper feed through sending into label paper, finally follow paper output end paper, the label carries the in-process, can carry out the printing of text information to the label through the print head respectively, position sensor response label position, antenna module carries out the read write to the label data through the label position of position sensor response, because antenna module sets up in one side of keeping away from lower paper unit at the print head for the antenna is kept away from parts such as sheet metal component, PCBA board, and then avoid sheet metal component, PCBA board etc. to cause the interference to antenna read write process, make for antenna module alone set up the shield assembly of shielding radiation, thereby can reduce the volume of printing equipment, the convenience is provided for the carrying of printing equipment.

Drawings

Fig. 1 is a schematic structural diagram of a printing apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an antenna module according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

10-paper feed channel 11-paper feed end 12-paper discharge end

20-lower paper unit 30-print head 40-antenna module

50-position sensor 51-substrate 52-antenna

60-platen roller 70-gap detection sensor 511-fixed position

512-through hole 521-fixing portion 10 a-label paper

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The embodiment of the utility model provides printing equipment, which comprises a paper feeding unit, a lower paper unit 20, a printing head 30, an antenna module 40 and a position sensor 50, wherein the paper feeding channel forms a paper feeding channel 10, and the paper feeding channel 10 is provided with a paper feeding end 11 and a paper discharging end 12 opposite to the paper feeding end 11; the lower paper unit 20 is connected with the paper feeding end 11 and is used for conveying label paper 10a to the paper feeding channel 10 through the paper feeding end 11; the printing head 30 is located at one side of the lower paper unit 20 near the paper outlet end 12, and is used for printing labels on the label paper 10a of the paper feeding channel 10; the antenna module 40 is located at one side of the print head 30 near the paper output end 12, and is used for reading and writing tag data; the position sensor 50 is fixed to the antenna module 40 for sensing the tag position.

Specifically, the printing device forms the paper feeding channel 10 by setting the paper feeding channel, the lower paper unit 20, the printing head 30, the antenna module 40 and the position sensor 50, the paper feeding channel 10 is provided with the paper feeding end 11 and the paper outlet end 12 opposite to the paper feeding end 11, the lower paper unit 20 is connected with the paper feeding end 11, when the label paper 10a is printed, the lower paper unit 20 feeds the label paper 10a to the paper feeding through the paper feeding end 11, and finally the paper is discharged from the paper outlet end 12, in the label conveying process, the printing head 30 can print text information on labels respectively, the position sensor 50 senses the position of the labels, the antenna module 40 reads and writes label data at the optimal read and write position by the label position sensor 50, and as the antenna module 40 is arranged on one side of the printing head 30 far away from the lower paper feeding unit 20, interference to the read and write processes of the antenna 52 by sheet metal parts, PCBA plates and the like can be avoided, a shielding device for shielding radiation is not required to be arranged for the antenna module 40 alone, and the size of the printing device can be reduced, and the printing device can be conveniently carried.

In the present embodiment, the printing apparatus is provided with a control unit MCU to which the lower paper unit 20, the printhead 30, the antenna module 40, and the position sensor 50 are connected. The position sensor 50 is used for detecting the position of the label and transmitting the position information to the control unit, and the control unit controls the print head 30 and the antenna module 40 to print the label and read and write the label information.

In this embodiment, the paper feeding unit 20 includes a motor and a paper feeding roller, the paper feeding roller is connected to the paper feeding end 11, and the motor is connected to the paper feeding roller for driving the paper feeding roller to rotate forward, driving the label paper 10a to discharge, and driving the label paper 10a to return by driving the paper feeding roller to rotate reversely.

In this embodiment, the printing apparatus further includes a platen roller 60, and the platen roller 60 is located above the print head 30 for rolling the label paper 10a of the paper feed path 10. Specifically, the platen roller 60 can rotate under the drive of the driving device, so that rolling of the label paper 10a is realized, conveying of the label paper 10a is facilitated, and the platen roller 60 can improve the stability of the label paper 10a when the printing head 30 prints by being arranged above the printing head 30, so that printing of the printing head 30 is facilitated.

In the present embodiment, the printing apparatus further includes a gap detection sensor 70, the gap detection sensor 70 being located between the printhead 30 and the lower paper unit 20 for detecting a gap between the tab sheet 10a and the paper feed path 10. Specifically, the gap detection sensor 70 senses the gap between the label paper 10a and the paper feeding channel 10, so that printing of the printing head 30 can be facilitated, printing accuracy of the printing head 30 is improved, the antenna module 40 is arranged on one side of the printing head 30 far away from the lower paper unit 20, and the antenna module 40 can be far away from the gap detection sensor 70, so that interference of the gap detection sensor 70 on radiation of the antenna module 40 is avoided.

In this embodiment, before the label paper 10a is printed, the lower paper unit 20 first conveys the label paper 10a to the paper output end 12, when the label paper 10a is printed, the lower paper roller of the lower paper unit 20 is reversed to enable the label paper 10a to return to the printing head 30, then the printing head 30 prints the label pattern, the lower paper unit 20 further conveys the label paper 10a printed with the label pattern to the position sensor 50 and the antenna module 40, the position sensor 50 conveys the position of the label to the control unit, and the control unit controls the antenna module 40 to read and write the label information and controls the printing head 30 to print synchronously.

In the present embodiment, the antenna module 40 includes a substrate 51 and an antenna 52, and the antenna 52 and the position sensor 50 are fixed to the substrate 51. Specifically, the substrate 51 may be combined with the antenna 52, and the substrate 51 may be a grounded reflecting plate, so that the antenna 52 generates radiation with one side reversed, and reading and writing of tag information are further realized by the radiation with one side of the antenna 52, and the position sensor 50 may be fixed to the substrate 51, thereby realizing fixation with the antenna module 40.

In this embodiment, further, a fixing location 511 is disposed on the top surface of the substrate 51, two ends of the antenna 52 are fixed on the top surface of the substrate 51 and located on two sides of the fixing location 511, and the position sensor 50 is fixed on the fixing location 511. Specifically, by the above arrangement, the two ends of the antenna 52 can be separated at the two sides of the position sensor 50, so that the interference of the position sensor 50 to the radiation of the antenna 52 is reduced.

In this embodiment, in order to further reduce the interference of the position sensor 50 on the radiation of the antenna 52, the substrate is further provided with through holes, the through holes are located at two sides of the fixing position, the antenna 52 includes a winding portion and fixing portions 521 fixed at two ends of the winding portion, the fixing portions 521 are fixed on the top surface of the substrate 51 and located at two sides of the fixing position 511, respectively, and the winding portion extends to the bottom surface of the substrate 51 through the through holes 512. Specifically, since the antenna 52 needs to pass through the position sensor 50 in the process of being fixed to the substrate 51, by providing the wire winding portion on the bottom surface side of the substrate 51, it is possible to avoid the position sensor 50 from interfering with the radiation direction of the antenna 52 portion passing through the position sensor 50.

In this embodiment, further, the position sensor 50 includes a power input terminal fixed to the fixed position 511 and a signal output terminal connected to the power input terminal and extending in a direction approaching the bottom surface of the substrate 51. Specifically, the power input end may be connected to a power source, and the position sensor 50 supplies power, and after sensing the position of the tag by the position sensor 50, the signal output end is output to the control unit, and the signal output end extends in a direction close to the bottom surface of the substrate 51, so that the signal output end may be far away from the antenna 52 as far as possible, and further interference between the position sensor 50 and the antenna 52 is avoided.

In this embodiment, further, the printing apparatus further includes a signal transmission line connected to the position sensor 50 and the control unit for transmitting the label position sensed by the position sensor 50 to the control unit. Specifically, the signal transmission line may enable transmission of the positional information sensed by the position sensor 50 to the control unit.

In this embodiment, further, the signal transmission line includes a signal line and a shielding layer disposed on a peripheral side of the signal line, where the shielding layer is used to shield interference of signals of the antenna module 40. Specifically, the signal line can realize the output of the sensor position signal, the shielding layer can effectively shield the radiation of the antenna 52, the influence of the radiation of the antenna 52 on the transmission of the signal line position signal is avoided, the stable transmission of the signal is realized, and the interference of the signal line transmission process on the radiation of the antenna 52 can be avoided.

In this embodiment, further, the shielding layer includes an upper shielding plate and a lower shielding plate opposite to the upper shielding plate, and the signal line is disposed between the upper shielding plate and the lower shielding plate. Specifically, the upper shielding plate and the lower shielding plate can effectively shield the signal line formation through the enclosure formed by the signal line.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims

1. A printing apparatus, comprising:

2. The printing apparatus of claim 1, wherein said antenna module comprises a substrate and an antenna, said antenna and said position sensor each being secured to said substrate.

3. The printing apparatus according to claim 2, wherein the top surface of the substrate is provided with a fixing position, both ends of the antenna are fixed to the top surface of the substrate and are located on both sides of the fixing position, respectively, and the position sensor is fixed to the fixing position.

4. A printing apparatus according to claim 3, wherein the substrate is further provided with perforations on both sides of the fixing position, the antenna includes a winding portion and fixing portions fixed to both ends of the winding portion, the fixing portions are fixed to a top surface of the substrate and on both sides of the fixing position, respectively, and the winding portion extends to a bottom surface of the substrate via the perforations.

5. A printing apparatus according to claim 3, wherein the position sensor comprises a power input terminal and a signal output terminal, the power input terminal being fixed to the fixed position, the signal output terminal being connected to the power input terminal and extending in a direction approaching the bottom surface of the substrate.

6. The printing apparatus of any of claims 1 to 5, further comprising a signal transmission line connected to said position sensor and to a control unit for transmitting a label position sensed by the position sensor to said control unit.

7. The printing apparatus according to claim 6, wherein the signal transmission line includes a signal line and a shielding layer provided on a peripheral side of the signal line, the shielding layer being configured to shield interference of the antenna module signal.

8. The printing apparatus of claim 7, wherein the shield layer includes an upper shield plate and a lower shield plate opposite the upper shield plate, the signal line being disposed between the upper shield plate and the lower shield plate.

9. The printing apparatus of any of claims 1 to 5, further comprising a platen roller above said printhead for rolling the label paper of the paper feed path.

10. The printing apparatus of any one of claims 1 to 5, further comprising a gap detection sensor located between the printhead and the lower sheet unit for detecting a gap between a label sheet and the sheet feed path.