CN220763901U - Character-concave printing device - Google Patents
Character-concave printing device Download PDFInfo
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- CN220763901U CN220763901U CN202322408254.4U CN202322408254U CN220763901U CN 220763901 U CN220763901 U CN 220763901U CN 202322408254 U CN202322408254 U CN 202322408254U CN 220763901 U CN220763901 U CN 220763901U
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- 238000007639 printing Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000007646 gravure printing Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a character-relief printing device, which comprises: a frame; the ribbon cartridge is arranged on one side of the frame, and two rotating wheels for driving the ribbon to run are arranged in the ribbon cartridge; and the motor is arranged on the other side of the frame, and an output shaft of the motor penetrates through the frame and is inserted into a rotating wheel so as to drive the rotating wheel to rotate. The technical scheme of the utility model solves the problem that the structural layout of the existing character-relief printer is unreasonable.
Description
Technical Field
The utility model relates to the technical field of printing equipment, in particular to a character-relief printing device.
Background
In the financial and retail industries, in order to meet the demands of card security such as confidentiality or anti-counterfeiting, the intaglio printing mode gradually goes into the public view, the intaglio printer comprises a character hammer, a character plate, a clamping groove, a ribbon cartridge driving mechanism, a ribbon cartridge mounting structure, a character plate driving mechanism and other parts, the intaglio printing usually utilizes a ribbon with the surface covered with toner in the ribbon cartridge to complete the printing process, and raised characters are used for pressing the ribbon and the card, so that the toner on the ribbon is stuck on the clamping surface, and the effect of printing the characters is achieved.
The ribbon cartridge driving mechanism of the existing character-relief printer is not tightly matched with the ribbon cartridge, the ribbon cartridge driving mechanism is arranged on the outer side, the ribbon in the ribbon cartridge can be driven to rotate only through connection of a transmission belt, unnecessary transmission mechanisms are increased, the structure is complex, and the structural layout is unreasonable.
Disclosure of Invention
The utility model mainly aims to provide a character-relief printing device which aims to solve the problem that the structural layout of the existing character-relief printer is unreasonable.
To achieve the above object, the present utility model provides an intaglio printing device comprising: a frame; the ribbon cartridge is arranged on one side of the rack, and two rotating wheels for driving the ribbon to run are arranged in the ribbon cartridge; and the motor is arranged on the other side of the frame, and an output shaft of the motor penetrates through the frame and is inserted into one rotating wheel so as to drive the rotating wheel to rotate.
In an embodiment of the utility model, the character-relief printing device further comprises a rotating shaft, the motor and the rotating shaft are arranged on the frame at intervals, the rotating shaft is rotatably connected to the frame, and an output shaft of the motor and the rotating shaft penetrate through the frame and are respectively inserted into the two rotating wheels.
In an embodiment of the utility model, the outer wall of the output shaft of the motor and the outer wall of the rotating shaft are fixedly connected with connecting sleeves, the outer wall of each connecting sleeve is convexly provided with a first bump, the inner wall of each rotating wheel is convexly provided with a second bump, and each connecting sleeve is inserted into each rotating wheel and is in butt fit with each second bump through the corresponding first bump.
In an embodiment of the present utility model, the rack includes a first vertical support, a second vertical support, and a transverse support, wherein the first vertical support and the second vertical support are arranged side by side at intervals, and the transverse support is connected between the two first vertical supports and the second vertical support; the motor and the rotating shaft are arranged at the rear end of the transverse bracket along the transverse interval, the ribbon cartridge is arranged at the front end of the transverse bracket, and the output shaft of the motor and the rotating shaft respectively penetrate through the transverse bracket.
In an embodiment of the present utility model, the motor is disposed near the first vertical support, the height of the first vertical support is lower than the height of the second vertical support, the transverse support is higher than the first vertical support, and the motor is disposed above the first vertical support.
In an embodiment of the present utility model, the front ends of the tops of the first vertical support and the second vertical support are concavely arranged towards the rear end to form a notch, the bottom wall of the notch extends laterally towards the outer side to form a connecting plate, and two ends connected with the bottom of the transverse support are connected with two connecting plates.
In an embodiment of the present utility model, the front end of the frame is further rotatably connected with a mounting structure for mounting the ribbon cassette, the mounting structure has a placement space for placing the ribbon cassette, and two ends of the bottom of the mounting structure are respectively rotatably connected to the outer wall surfaces of the bottoms of the first vertical bracket and the second vertical bracket.
In an embodiment of the present utility model, the recess printing device further includes a driving assembly, the driving assembly includes a motor, a first transmission shaft, a driving wheel and a driving belt, a clamping groove is formed in the recess printing device, the motor is mounted on the frame, the first transmission shaft is rotatably connected to the frame and located on a top wall of the clamping groove, the driving wheel is fixedly connected to an outer wall of the first transmission shaft, and the driving wheel partially extends into the clamping groove, so that an output shaft of the motor and the first transmission shaft are arranged side by side, and the driving belt is sleeved on the output shaft of the motor and the first transmission shaft.
In an embodiment of the present utility model, the driving assembly further includes a second transmission shaft and a driven wheel, the second transmission shaft is rotatably connected to the frame and located at a bottom wall of the clamping groove, the driven wheel is fixedly connected to an outer wall of the second transmission shaft, the driven wheel partially extends into the clamping groove, and the driven wheel is cooperatively disposed with the driving wheel.
In an embodiment of the present utility model, the driving assembly further includes a third transmission shaft and a rotating wheel, the third transmission shaft is rotatably connected to the bottom wall of the clamping groove, the rotating wheel is fixedly connected to the outer wall of the third transmission shaft, the rotating wheel partially extends into the clamping groove, and the rotating wheel and the driven wheel are arranged at intervals along the length direction of the clamping groove.
Compared with the prior art, the character-relief printing device provided by the utility model has the following beneficial effects:
according to the technical scheme, the motor and the ribbon cartridge are arranged on two opposite sides of the frame, the output shaft of the motor can directly penetrate through the frame to be inserted into the rotating wheel, the motor can drive the rotating wheel to rotate, the transmission mechanism is reduced, the motor can be arranged on the inner side of the device, and the structural layout is more reasonable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the overall structure of an embodiment of an intaglio printing device according to the present utility model;
FIG. 2 is a schematic diagram of an embodiment of an intaglio printing device according to the present utility model;
FIG. 3 is a schematic view of a portion of an apparatus for printing intaglio printing according to an embodiment of the present utility model;
FIG. 4 is a second schematic view of a portion of an apparatus for printing intaglio printing according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a mating structure of a frame and an embodiment of a motor according to the present utility model;
FIG. 6 is an exploded view of one embodiment of the frame and motor of the present utility model;
FIG. 7 is an exploded view of one embodiment of a ribbon cartridge of the present utility model;
fig. 8 is a schematic structural view of an embodiment of the ribbon cartridge of the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1-8, the present utility model provides an intaglio printing device 100, wherein the intaglio printing device 100 comprises: a frame 1; a ribbon cassette 2, the ribbon cassette 2 is installed at one side of the frame 1, and two rotating wheels 22 for driving a ribbon 21 to run are arranged inside the ribbon cassette 2; and a motor 3, wherein the motor 3 is mounted on the other side of the frame 1, and an output shaft 31 of the motor 3 passes through the frame 1 and is inserted into one of the rotating wheels 22 to drive the rotating wheel 22 to rotate.
Specifically, the intaglio printing device 100 includes a frame 1, a ribbon cassette 2, and a motor 3, where the frame 1 is used to mount and support the ribbon cassette 2 and the motor 3, the ribbon cassette 2 is used to convey a ribbon 21 for printing by the intaglio printing device 100, and the driving mechanism is used to drive the ribbon 21 in the ribbon cassette 2 to rotate.
The ribbon cartridge 2 is mounted on one side of the frame 1, and the ribbon 21 and two rotating wheels 22 are arranged inside the ribbon cartridge 2. The ribbon 21 has two ends, and the two ends of the ribbon 21 are wound around two reels 22. The motor 3 is installed on the other side of the frame 1, the motor 3 is arranged opposite to the ribbon cartridge 2, an output shaft 31 of the motor 3 penetrates through the frame 1 and is inserted on one rotating wheel 22 of the ribbon cartridge 2, and the motor 3 can directly drive the rotating wheel 22 to rotate. The ribbon 21 connects the two rotating wheels 22 together, the motor 3 drives one rotating wheel 22 to rotate, the rotating wheel is used as a driving rotating wheel 22, the other rotating wheel 22 is used as a driven rotating wheel 22, and the driving rotating wheel 22 can drive the driven rotating wheel 22 to rotate.
According to the technical scheme, the motor 3 and the ribbon cassette 2 are arranged on two opposite sides of the frame 1, the output shaft 31 of the motor 3 can directly penetrate through the frame 1 and be inserted into the rotating wheel 22, the motor 3 can drive the rotating wheel 22 to rotate, a transmission mechanism is reduced, the motor 3 can be arranged on the inner side of the device, and the structural layout is more reasonable.
In an embodiment of the present utility model, the gravure printing device 100 further includes a rotating shaft 4, the motor 3 and the rotating shaft 4 are disposed on the frame 1 at intervals, the rotating shaft 4 is rotatably connected to the frame 1, and an output shaft 31 of the motor 3 and the rotating shaft 4 both pass through the frame 1 and are respectively inserted into two rotating wheels 22.
In detail, the intaglio printing device 100 further comprises a rotating shaft 4, the motor 3 and the rotating shaft 4 are arranged on the frame 1 along the transverse interval, the rotating shaft 4 is rotatably connected to the frame 1, the rotating shaft 4 is used for connecting with another rotating wheel 22, by arranging the rotating shaft 4, the ribbon cartridge 2 can be supported at two ends of the ribbon cartridge 2, the two rotating wheels 22 of the ribbon cartridge 2 can be driven to rotate more stably, and the ribbon 21 can be conveyed more stably.
In an embodiment of the present utility model, the outer wall of the output shaft 31 of the motor 3 and the outer wall of the rotating shaft 4 are fixedly connected with a connecting sleeve 41, a first bump 411 is protruding on the outer wall of the connecting sleeve 41, a second bump 221 is protruding on the inner wall of the rotating wheel 22, and the connecting sleeve 41 is inserted into the rotating wheel 22 and is in abutting fit with the second bump 221 through the first bump 411.
It is worth noting that, the connecting sleeve 41 is fixedly connected to the outer side wall of the output shaft 31 of the motor 3 and the outer side wall of the rotating shaft 4, the connecting sleeve 41 is inserted into the rotating wheel 22, the first protruding block 411 of the connecting sleeve 41 is in butt joint with the second protruding block 221 of the rotating wheel 22, the ribbon 21 in the ribbon cartridge 2 is wound or released under the driving of the rotating wheel 22, by arranging the connecting sleeve 41 and by arranging the first protruding block 411 and the second protruding block 221 to be matched, the winding control precision and the working stability of the intaglio printing device 100 can be improved, and the conveying of the ribbon 21 in the ribbon cartridge 2 can be better controlled.
In an embodiment of the present utility model, the rack 1 includes a first vertical support 11, a second vertical support 12, and a transverse support 13, which are arranged side by side at intervals, and the transverse support 13 is connected between the two first vertical supports 11 and the second vertical supports 12; the motor 3 and the rotating shaft 4 are arranged at intervals along the transverse support 13 and positioned at the rear end of the transverse support 13, the ribbon cartridge 2 is arranged at the front end of the transverse support 13, and the output shaft 31 of the motor 3 and the rotating shaft 4 respectively penetrate through the transverse support 13.
In detail, the frame 1 is configured as a first vertical support 11, a second vertical support 12 and a transverse support 13, the transverse support 13 is disposed between the first vertical support 11 and the second vertical support 12, the motor 3 and the rotating shaft 4 are disposed on the transverse support 13 at a transverse interval, and are located at a rear end of the transverse support 13, and the ribbon cartridge 2 is disposed at a front end of the transverse support 13, the front end and the rear end being opposite sides of the transverse support 13. The output shaft 31 and the rotating shaft 4 of the motor 3 respectively pass through the transverse bracket 13 and are connected with two connecting sleeves 41, and the connecting sleeves 41 are inserted into the rotating wheel 22.
By providing two vertical supports, support can be provided, by providing a transverse support 13, facilitating the connection of the motor 3 and the cassette 2. By improving the structure of the frame 1, the motor 3 can be directly connected to the rear end of the ribbon cassette 2, and space utilization can be more reasonably performed.
In an embodiment of the present utility model, the motor 3 is disposed near the first vertical support 11, the height of the first vertical support 11 is lower than the height of the second vertical support 12, the transverse support 13 is higher than the first vertical support 11, and the motor 3 is disposed above the first vertical support 11.
In detail, the motor 3 is disposed close to the first vertical support 11, the rotation shaft 4 is disposed close to the second vertical support 12, the first vertical support 11 is lower than the second vertical support 12, and the transverse support 13 is higher than the first vertical support 11, so that the motor 3 is mounted on the transverse support 13, and the motor 3 is located above the first vertical support 11. This setting can make the installation space that enlarges motor 3 installation, forms the installation space of motor 3 between horizontal support 13 and the first vertical support 11, has avoided the interference of vertical support, is convenient for the connection of other components, has improved the application scenario.
In an embodiment of the present utility model, the front ends of the top parts of the first vertical support 11 and the second vertical support 12 are concavely arranged towards the rear ends to form a notch (not shown), the bottom wall of the notch is transversely extended towards the outer side to form a connecting plate, and two ends connected with the bottom of the transverse support 13 are connected with two connecting plates.
It is worth noting that the front ends of the tops of the first vertical support 11 and the second vertical support 12 are concavely provided with notches towards the rear ends, namely, the top portions of the first vertical support 11 and the second vertical support 12 are provided with notches, so that the transverse supports 13 are convenient to arrange.
The bottom wall of the notch is provided with a connecting plate towards the outer side, so that the transverse bracket 13 is convenient to fix. Meanwhile, in the present embodiment, the bottom wall of the rear end of the transverse bracket 13 is also provided with a second connecting plate protruding toward the rear end, and the transverse connecting plate can be more firmly fixed to the first vertical bracket 11 and the second vertical bracket 12 through the cooperative connection of the second connecting plate and the connecting plate.
In an embodiment of the present utility model, the front end of the frame 1 is further rotatably connected with a mounting structure 14 for mounting the ribbon cassette 2, the mounting structure 14 has a placement space for placing the ribbon cassette 2, and two ends of the bottom of the mounting structure 14 are respectively rotatably connected to the outer wall surfaces of the bottoms of the first vertical support 11 and the second vertical support 12.
In detail, as shown in fig. 1, a mounting structure 14 is further disposed at the front end of the frame 1, the mounting structure 14 can rotate towards the front end of the frame 1, a placement space for the ribbon cassette 2 is disposed at the top of the mounting structure 14, the bottom of the mounting structure 14 is connected to the outer wall surfaces of the two vertical brackets, and the mounting structure 14 is conveniently arranged by providing a notch.
After the ribbon cartridge 2 is placed in the placement space, the two rotating wheels 22 of the ribbon cartridge 2 are just aligned with the rotating shaft 4 on the transverse bracket 13 and the output shaft 31 of the motor 3, and by arranging the notch and the mounting structure 14, the ribbon cartridge 2 can be better matched with the motor 3.
In an embodiment of the present utility model, the gravure printing apparatus 100 further includes a driving assembly (not shown), the driving assembly includes a motor 51, a first transmission shaft 52, a driving wheel 53, and a driving belt 54, a clamping groove 110 is formed in the gravure printing apparatus 100, the motor 51 is mounted on the frame 1, the first transmission shaft 52 is rotatably connected to the frame 1 and is located on a top wall of the clamping groove 110, the driving wheel 53 is fixedly connected to an outer wall of the first transmission shaft 52, and the driving wheel 53 partially extends into the clamping groove 110, so that an output shaft 31 of the motor 51 and the first transmission shaft 52 are arranged side by side, and the driving belt 54 is sleeved on the output shaft 31 of the motor 51 and the first transmission shaft 52.
Specifically, a card slot 110 is formed in the recess printing device 100, and a motor 51, a first transmission shaft 52, a driving wheel 53 and a transmission belt 54 are disposed in the recess printing device 100, the driving wheel 53 partially extends into the card slot 110, and the motor 51 can drive the first rotation shaft to rotate through the transmission belt 54, so as to drive the driving wheel 53 to rotate, thereby driving the card to move in the card slot 110. By reversing the motor 51, the direction of movement of the card in the card slot 110 can be controlled.
In an embodiment of the present utility model, the driving assembly further includes a second transmission shaft (not shown) rotatably connected to the frame 1 and located at a bottom wall of the clamping groove 110, and a driven wheel 55, where the driven wheel 55 is fixedly connected to an outer wall of the second transmission shaft, and the driven wheel 55 partially extends into the clamping groove 110, and the driven wheel 55 is disposed in cooperation with the driving wheel 53.
It should be noted that a second transmission shaft and a driven wheel 55 are further provided, the driven wheel 55 is matched with the driving wheel 53, and the driven wheel 55 can be driven to rotate by the rotation of the driving wheel 53, so that the card can better move in the clamping groove 110. I.e. by means of a driving wheel 53 and a driven wheel 55, the card is better moved.
In an embodiment of the present utility model, the driving assembly further includes a third transmission shaft (not shown) rotatably connected to the bottom wall of the slot 110, and a rotating wheel 56, wherein the rotating wheel 56 is fixedly connected to the outer wall of the third transmission shaft, and the rotating wheel 56 partially extends into the slot 110, and the rotating wheel 56 and the driven wheel 55 are spaced apart from each other along the length direction of the slot 110.
In detail, a third transmission shaft and a transmission wheel are further arranged, the third transmission shaft and the transmission wheel are arranged on the bottom wall of the clamping groove 110 and are arranged at intervals with the driven wheel 55, namely, the driven wheel 55 and the driving wheel 53 are arranged at one end of the clamping groove 110, the rotating wheel 56 is arranged at the other end of the clamping groove 110, so that the movement of the card is more stable, the card can not contact the inner wall of the clamping groove 110, and damage to the card is prevented.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. An intaglio printing device, characterized in that it comprises:
a frame;
the ribbon cartridge is arranged on one side of the rack, and two rotating wheels for driving the ribbon to run are arranged in the ribbon cartridge; and
the motor is arranged on the other side of the frame, and an output shaft of the motor penetrates through the frame and is inserted into one rotating wheel so as to drive the rotating wheel to rotate.
2. The character-relief printing device according to claim 1, further comprising a rotating shaft, wherein the motor and the rotating shaft are arranged on the frame at intervals, the rotating shaft is rotatably connected to the frame, and an output shaft of the motor and the rotating shaft both penetrate through the frame and are respectively inserted into the two rotating wheels.
3. The character-relief printing device according to claim 2, wherein the outer wall of the output shaft of the motor and the outer wall of the rotating shaft are fixedly connected with connecting sleeves, the outer wall of each connecting sleeve is convexly provided with a first bump, the inner wall of each rotating wheel is convexly provided with a second bump, and the connecting sleeves are inserted into the rotating wheels and are in butt fit with the second bumps through the first bumps.
4. The character printing apparatus according to claim 2, wherein said frame includes first and second vertical supports arranged side by side at intervals and a transverse support connected between said first and second vertical supports;
the motor and the rotating shaft are arranged at the rear end of the transverse bracket along the transverse interval, the ribbon cartridge is arranged at the front end of the transverse bracket, and the output shaft of the motor and the rotating shaft respectively penetrate through the transverse bracket.
5. The character printing device according to claim 4, wherein the motor is disposed adjacent to the first vertical support, the first vertical support is lower than the second vertical support, the transverse support is higher than the first vertical support, and the motor is disposed above the first vertical support.
6. The character printing device according to claim 5, wherein the front ends of the tops of the first vertical support and the second vertical support are concavely provided with notches towards the rear ends, the bottom walls of the notches transversely extend outwards to form connecting plates, and two ends connected with the bottoms of the transverse supports are connected with two connecting plates.
7. The character printing device according to claim 6, wherein the front end of the frame is further rotatably connected with a mounting structure for mounting the ribbon cartridge, the mounting structure has a placement space for placing the ribbon cartridge, and two ends of the bottom of the mounting structure are rotatably connected with the outer wall surfaces of the bottoms of the first vertical bracket and the second vertical bracket, respectively.
8. The character printing apparatus according to claim 1, further comprising a driving assembly, wherein the driving assembly comprises a motor, a first transmission shaft, a driving wheel and a driving belt, a clamping groove is formed in the character printing apparatus, the motor is mounted on the frame, the first transmission shaft is rotatably connected to the frame and located on the top wall of the clamping groove, the driving wheel is fixedly connected to the outer wall of the first transmission shaft, the driving wheel partially extends into the clamping groove, so that an output shaft of the motor and the first transmission shaft are arranged side by side, and the driving belt is sleeved on the output shaft of the motor and the first transmission shaft.
9. The intaglio printing apparatus according to claim 8, wherein said drive assembly further comprises a second drive shaft rotatably connected to said housing and located at a bottom wall of said clamping groove, and a driven wheel fixedly connected to an outer wall of said second drive shaft, said driven wheel partially extending into said clamping groove, said driven wheel being cooperatively disposed with said drive wheel.
10. The gravure printing device of claim 9 wherein said drive assembly further comprises a third drive shaft rotatably connected to the bottom wall of said slot and a rotatable wheel fixedly connected to the outer wall of said third drive shaft, said rotatable wheel partially extending into said slot, said rotatable wheel and said driven wheel being spaced apart along the length of said slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408254.4U CN220763901U (en) | 2023-09-05 | 2023-09-05 | Character-concave printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408254.4U CN220763901U (en) | 2023-09-05 | 2023-09-05 | Character-concave printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763901U true CN220763901U (en) | 2024-04-12 |
Family
ID=90604565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322408254.4U Active CN220763901U (en) | 2023-09-05 | 2023-09-05 | Character-concave printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763901U (en) |
-
2023
- 2023-09-05 CN CN202322408254.4U patent/CN220763901U/en active Active
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