CN209971897U - Extrusion type printing mechanism and printer thereof - Google Patents
Extrusion type printing mechanism and printer thereof Download PDFInfo
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- CN209971897U CN209971897U CN201920584518.2U CN201920584518U CN209971897U CN 209971897 U CN209971897 U CN 209971897U CN 201920584518 U CN201920584518 U CN 201920584518U CN 209971897 U CN209971897 U CN 209971897U
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Abstract
The utility model relates to an extrusion formula printing mechanism and printer thereof. An extrusion type printing mechanism comprises a substrate fixed on a shell, a printing power piece arranged on the substrate, a transmission component in transmission connection with the printing power piece, a printing roller in transmission connection with the transmission component, and a printing head; the first optical coupling sensor is arranged at the power output end of the printing power piece. The utility model discloses printing mechanism utilizes the extrusion formula of bottom, simple structure, and the reliability is high, and processing is simple and convenient, and is with low costs, and the operation convenience improves, utilizes the sensor to detect simultaneously and prints power spare and rotate, better control printing mechanism.
Description
Technical Field
The utility model relates to a printing apparatus equipment, more specifically say and indicate an extrusion formula printing mechanism and printer thereof.
Background
At present, a label printer is commonly used in a mechanical switch type induction mode, and a printing head support is designed by mechanical pushing, so that the defects of complex part machining, high cost and high part precision requirement are overcome. After printing, cut off printing material, current shearing mechanism is the easy card paper, and stability is not good.
The existing push-type printing mechanism can generate abrasion after being used for a long time, so that the movement is unstable, and the extrusion effect is not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an extrusion formula printing mechanism and printer thereof.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an extrusion type printing mechanism comprises a substrate fixed on a shell, a printing power piece arranged on the substrate, a transmission component in transmission connection with the printing power piece, a printing roller in transmission connection with the transmission component, and a printing head; the first optical coupling sensor is arranged at the power output end of the printing power piece.
The further technical scheme is as follows: the printing mechanism further comprises a printing support; the printing roller is rotationally connected with the printing support; the outer side of the printing support is pressed to press the printing roller to the printing head; the printing head is fixed on the substrate; a printing channel for passing printing materials is formed between the printing head and the printing roller.
The further technical scheme is as follows: the printing support is hinged to the base plate, and a support torsion spring is arranged at the hinged position, so that the printing support drives the printing roller to lean against the printing head.
The further technical scheme is as follows: the printing rollers comprise a first printing roller and a second printing roller, and the first printing roller and the second printing roller are in transmission connection with the transmission assembly; the first printing roller corresponds to the printing head, and the printing channel is arranged between the first printing roller and the printing head.
The further technical scheme is as follows: the first printing roller and the second printing roller are rotationally connected with the printing support, and rotating shafts arranged on the first printing roller and the second printing roller are slidably connected with sliding grooves arranged on the printing support, so that movement allowance is reserved during extrusion movement.
The further technical scheme is as follows: the printing support is provided with an inclined part on the outer side, and an extrusion opening is formed between the substrate and the inclined part and used for extruding the printing support.
The further technical scheme is as follows: a discharging channel is formed between the second printing roller and the discharging column; the discharging column is in transmission connection with the transmission assembly.
The further technical scheme is as follows: the printing support is provided with a pressure spring; one end of the elastic force direction of the pressure spring is abutted against the second printing roller, and the other end of the elastic force direction of the pressure spring is abutted against the first printing roller, so that the first printing roller is pressed towards the printing channel, and the second printing roller is pressed towards the discharging channel.
The further technical scheme is as follows: the transmission assembly comprises a plurality of transmission gears, a recovery gear and a discharge gear, wherein the transmission gears are rotationally connected with the substrate; the transmission gear is in transmission connection with the printing power part, and the discharging gear is in transmission connection with the second printing roller.
A printer comprises a shell, the extrusion type printing mechanism, a consumable mechanism and a shearing mechanism; the shell is provided with a rear cover, and the rear cover is provided with a convex block for extruding the printing mechanism; the consumable mechanism is in transmission connection with the transmission assembly, and the discharge end of the consumable mechanism is communicated with the feed end of the printing mechanism; the shearing mechanism is arranged at the discharge end of the printing mechanism.
Compared with the prior art, the utility model beneficial effect be: the utility model discloses printing mechanism utilizes the extrusion formula of bottom, simple structure, and the reliability is high, and processing is simple and convenient, and is with low costs, and the operation convenience improves, utilizes the sensor to detect simultaneously and prints power spare and rotate, better control printing mechanism.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a three-dimensional structure diagram of an extrusion printing mechanism and a printer thereof according to the present invention;
fig. 2 is an exploded view of the extrusion printing mechanism and its printer according to the present invention;
fig. 3 is a three-dimensional structure diagram of the extrusion printing mechanism and the printer core of the printer thereof;
fig. 4 is an exploded view of the extrusion printing mechanism and the printer core of the printer;
fig. 5 is an exploded view of the extrusion printing mechanism and the printer core of the printer thereof at another viewing angle;
fig. 6 is an exploded view of an extrusion printing mechanism of the present invention;
fig. 7 is an exploded view of the extrusion printing mechanism and its shearing mechanism of the printer of the present invention;
fig. 8 is a perspective view of the extrusion printing mechanism and the movable shearing knife of the printer thereof according to the present invention;
FIG. 9 is an exploded view of the extrusion printing mechanism and the consumable mechanism of the printer;
fig. 10 is a three-dimensional structural view of the extrusion printing mechanism and the printer thereof without the bottom cover and the battery;
fig. 11 is a bottom three-dimensional structure view of the extrusion printing mechanism and its printer.
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.
Fig. 1 to 11 show drawings according to embodiments of the present invention.
Because the printing mechanism is a part of the printer, in order to better introduce the extrusion type printing mechanism, the extrusion type printing mechanism is placed in the printer for introduction, so that the structure and the working state of the extrusion type printing mechanism can be clearer.
A printer, as shown in FIGS. 1 to 3, 4 and 11, includes a housing 10, a printing mechanism 20, a consumable mechanism 30, and a cutting mechanism 40. The printing mechanism 20 is provided at the paper output end of the consumable mechanism 30. The cutter mechanism 40 is provided at the paper output end of the printing mechanism 20. The housing 10 is provided with a bump 101 for pressing the printing mechanism 20. The printing mechanism 20 is provided with a first sensor 201 for controlling the power output. The printer core 100 is composed of the printing mechanism 20, the consumable mechanism 30, and the cutting mechanism 40.
Preferably, the first sensor 201 is an opto-coupler sensor.
The raised block 101 of the housing 10 presses the printing mechanism 20 to complete the preparation for printing, the consumable mechanism 30 discharges the printing material, the first sensor 201 detects the rotation of the printing mechanism 20, and the cutting mechanism 40 cuts the printing material after the printing is completed.
As shown in fig. 1 to 6, the printing mechanism 20 includes a base plate 21 fixed to the housing 10, a printing power member 22 provided on the base plate 21, a transmission assembly 23 drivingly coupled to the printing power member 22, a printing roller 24 drivingly coupled to the transmission assembly 23, and a printing head 25. The first sensor 201 is disposed at the power output end of the printing power member 22, and is configured to detect that the printing power member 22 rotates, so as to transmit the detected signal to the control center, thereby facilitating control of the printing power member 22. Transmission assembly 23 can slow down the rotational speed of printing power spare 22, can also provide power for consumptive material mechanism 30, and the most important is for printing roller 24 power, lets printing roller 24 feed the ejection of compact to printing material transmission power to and printing roller 24 and beat printer head 25 and mutually support, makes printing material hug closely and beat printer head 25, and then makes and beat printer head 25 and print printing material.
Preferably, the print roller 24 is a silicone tube.
Preferably, the printing power member 22 is a motor, which facilitates control.
The printing mechanism 20 also includes a print carriage 26. The print roller 24 is rotationally coupled to a print carriage 26. The hinged part of the printing support 26 and the base plate 21 is provided with a support torsion spring 27, so that an elastic force is provided between the printing roller 24 and the printing head 25 or the consumable mechanism 30, after the bottom cover is removed, namely the bulge block 101 leaves the printing support 26, the printing support 26 is under the action of the support torsion spring 27, and the printing roller 24 leaves the printing head 25 under the action of the elastic force (namely the printing support 26 pops open under the action of the support torsion spring 27). In the operating state, the printing support 26 is provided with a projection 101 by the housing 10, so that the printing roller 24 is pressed against the print head 25.
The print head 25 is fixed to the substrate 21, but is disposed close to the print roller 24. A printing passage for passing a printing material is formed between the print head 25 and the print roller 24. When the printer is in a working state, the printing material is pressed to the printing head 25 under the action of the printing roller 24, and the printing head 25 is electrified to generate heat so that the printing head 25 prints on the printing material; when the printing material is changed, the bottom cover is opened, the printing roller 24 is separated from the printing head 25 by a certain distance under the action of the elastic force of the bracket torsion spring 27, and the printing material is convenient to change.
Specifically, the print roller 24 includes a first print roller 241 disposed corresponding to the print head 21 and a second print roller 242 disposed corresponding to the driving assembly 23. The first printing roller 241 and the second printing roller 242 are in transmission coupling with the transmission assembly 23 through a gear. The first printing roller 241 and the second printing roller 242 have different functions, and the first printing roller 241 feeds the printing material and presses the printing material to the printing head 25 to complete the printing work; the second printing roller 242 is driven by the transmission assembly 23 to rotate, so as to feed the printed printing material and press the ribbon to be adhered to the printing material. The first print roller 241 and the second print roller 242 are both rotationally coupled to the print carriage 26. The first printing roller 241 and the print head 25 form the printing path.
The first printing roller 241 and the second printing roller 242 are rotatably coupled to the printing support 26, and the rotating shafts 243 of the first printing roller 241 and the second printing roller 242 are slidably coupled to the sliding grooves 260 of the printing support 26, so that a movement margin is left during the squeezing movement.
Wherein, the printing support 26 is provided with a pressure spring 261, and the pressure spring 261 is in the form of a torsion spring (two for balance). One end of the pressure spring 261 abuts against the second printing roller 242, and the other end abuts against the first printing roller 241, so that the first printing roller 241 is close to the printing channel, and the second printing roller 242 is close to the discharging channel. The first printing roller 241 is pressed toward the printing path by an elastic force so that the printing material can be sufficiently contacted with the printhead 25. The second printing roller 242 is pressed to the discharging channel by the elastic force, the pressure between the second printing roller 242 and the discharging wheel is increased, and the printing material obtains the feeding force. The chute 260 is a space necessary for providing displacement of the first print roller 241 and the second print roller 242 by the elastic force.
The bumps 101 act on the outside of the printing support 26, so that the printing support 26 is pressed by the outside, the first printing roller 241 is close to the printing head 25, and the second printing roller 242 is close to the discharging column 36. The printing support 26 is provided with an inclined part 262 at the outer side thereof, and a pressing opening is formed between the base plate 21 and the inclined part 262 for pressing the printing support 26.
One end of the printing support 26 is hinged with the base plate 21 (and a torsion spring 27 is arranged at the hinged position), and the contact position of the convex block 101 of the shell 10 and the printing support 26 is far away from the hinged end; the second printing roller 242 is in transmission connection with the transmission assembly 23, the first printing roller 241 is also in transmission connection with the transmission assembly 23, and the rotation directions of the first printing roller 241 and the second printing roller 242 are the same, so that the rapid multi-printing materials are printed and fed.
The driving assembly 23 includes a plurality of driving gears 231 rotatably coupled to the base plate 21, a recovery gear 232, and a discharge gear 233. The transmission gear 231 is in transmission connection with the printing power piece 22, and the discharging gear 233 is in transmission connection with the second printing roller 242. The discharging column 36 is fixed on the discharging gear 233 so that a discharging channel is formed between the discharging column 36 and the second printing roller 242.
In the printer, the printing power part 22 and the recovery gear 232 are in meshed transmission through three pairs of transmission gears 231, the recovery gear 232 and the discharge gear 233 are in meshed transmission through two pairs of transmission gears 231, and the number and the tooth number of the corresponding transmission gears 231 are selected according to the requirement of the transmission ratio. The transmission gear 231, the recovery gear 232, and the discharge gear 233 are rotatably coupled to the base plate 21. The discharging gear 233 is coupled to the discharging column 36, and the discharging column 36 is in transmission coupling with the second printing roller 242, forming a discharging channel therebetween, so as to complete the discharging action.
As shown in fig. 1 to 5, 7 and 8, the shearing mechanism 40 includes a shearing power member 41, a plurality of power gears 42 in transmission connection with the shearing power member 41, and a shearing blade 43 in transmission connection with the power gears 42. A shear blade 43 is provided at the discharge end of the printing mechanism 20. In the printer, a shearing power member 41 is a motor and is in transmission connection through three pairs of power gears 42.
The end surface of the power gear 42 near the cutting power member 41 is provided with a driving slider 411, and the cutting blade 43 is provided with a driving groove 431 slidably coupled with the driving slider 411. The power gear 42 rotates to move the shearing blade 43 to shear the printing material. The power gear 42 rotates, and the driving slider 411 is slidably coupled in the driving groove 431 to open and close the cutting blade 43.
The cutting blade 43 includes a movable cutting blade 432 and a fixed cutting blade 433. The fixed cutting knife 433 is fixed on the substrate 21 and located on one side of the printing mechanism 20 in the discharging direction, and the movable cutting knife 432 is located on the other side of the discharging direction. The transmission groove 431 is disposed on the movable cutting knife 432, and the middle portion of the movable cutting knife 432 is hinged to the base plate 21. A second sensor 44 is provided at one side of the movable cutting blade 432 for detecting the movement state of the cutting blade 432.
Specifically, the movable cutting knife 432 includes a rocking bar portion 4321 near one end of the power gear 42, a blade portion 4322 near the fixed cutting knife 433, and a hinge portion 4323 connecting the rocking bar portion 4321 and the blade portion 4322. The transmission groove 431 is provided in the rocker portion 4321. The movable shearing blade 432 is an L-shaped structure, one end of which swings and the other end of which also swings. The second sensor 44 is disposed proximate to the hinge 4323. Preferably, the second sensor 44 is an opto-coupler sensor.
The end of the movable cutting blade 432 adjacent the second sensor 44 is provided with a notch 4324. Since the second sensor 44 is an optical coupler sensor, a light emitting portion of the optical coupler sensor is provided at one side of the movable cutter 432, and a light receiving portion is provided at the other side. The opto-coupler sensor detects the active condition of the movable cutting blade 432 through the notch 4324.
Specifically, a concave point or a line groove 4325 is arranged below the hinge joint of the movable shearing knife 432 and the base plate 21. If the concave point is the concave point, the concave point is of a circular structure and is arranged right below the hinge hole; if the wire casing is a wire casing, the wire casing is of an arc structure and is annularly arranged right below the hinge hole. The purpose of the pits or grooves 4325 is to increase the shear force at the top of the cutting edge of the movable shear knife 432.
This printer, shear mechanism 40 and be close to the one end setting of casing 10, and shear mechanism 40 and locate the ejection of compact direction of printing the material, cut off the printing material after printing finishes, the printing material comes out from casing 10 one end.
Specifically, the power output end of the motor is provided with a first power gear 450, a second power gear 451 in transmission connection with the first power gear 450, a third power gear 452 coaxial with the second power gear 451, and a fourth power gear 453 in transmission connection with the third power gear 452. The transmission slider 411 is provided on an end surface of the fourth power gear 453.
As shown in fig. 1 to 5, 9 and 10, the consumable mechanism 30 is a detachable structure, detachably coupled to the housing 10, and used as a single consumable. The consumable mechanism 30 is provided with printing consumables, such as carbon tape, printing paper, and PTE film. The consumable mechanism 30 is sold and used as a single structure when shipped from the factory. The housing 10 is provided with a cavity for mounting the consumable mechanism 30. Wherein, place chamber 107 in the setting of well lid 103, the transmission shaft of the drive gear of drive assembly 23 extends to and places chamber 107 to make the transmission shaft and the transmission hookup of consumptive material mechanism 30, and then make consumptive material mechanism 30 activity power and emit or retrieve the printing consumptive material. The placing cavity 107 is arranged at a position corresponding to the bottom cover, and the bottom cover can be safely used after the consumable mechanism 30 is installed.
The consumable mechanism 30 includes a first consumable cover 31, and a second consumable cover 32. A consumable cavity is formed between the first consumable cover 31 and the second consumable cover 32 for placing various consumables, such as ribbon, carbon paper, printing material, etc. A first discharging column 33 used for placing printing materials is arranged between the consumable cavities, and the discharging end of the first discharging column 33 is connected with the feeding end of the printing head 25. The consumable cavity is further provided with a second discharging column 34 for discharging the carbon ribbon, and the discharging end of the second discharging column 34 is connected with the feeding end of the printing head 25. The ribbon, printing material, is passed in overlapping relation through the printing path with the ribbon adjacent the printhead 25 side. The consumable mechanism 30 is disposed proximate to the printhead 25.
The consumable chamber is further provided with a third discharging column 35 for discharging the ribbon, and a discharging end of the third discharging column 35 is connected with a discharging end of the printing head 25. The first consumable cover 31 is provided with a discharging column 36 close to the second printing roller 242, and a discharging channel is formed between the discharging column 36 and the second printing roller 242. The discharging column 36 is fixed to the discharging gear 233. The print carriage 26 forces the second print roller 242 toward the exit post 36 and the second print roller 242 rotates to create a tension in the print material, ribbon, through the exit path.
The consumable chamber is also provided with a second receiving column 37. The second material receiving column 37 is located at the material receiving end of the second material discharging column 34, so that the second material receiving column 37 receives the carbon ribbon after the carbon ribbon passes through the printing channel. The second material receiving column 37 is fixedly coupled with the recovery gear 232.
The consumable mechanism 30 is inserted into the plurality of positioning posts 211 disposed on the substrate 21. The first consumable lid 31 and the second consumable lid 32 are disposed with positioning holes 38 connected to the positioning posts. Wherein, the positioning column 211 is located in the placing cavity 107, and when the consumable mechanism 30 is installed, the positioning hole 38 is aligned with the positioning column 211.
Wherein a power supply mechanism 50 is also included. A battery compartment 51 is provided in the housing 10. The battery compartment 51 is used for mounting alkaline batteries. The battery compartment 51 is arranged at the rear side of the middle cover 103, and after the batteries are installed, the bottom cover is installed, so that the battery compartment can be safely used.
Preferably, the power supply mechanism 50 further includes a mounting cavity 52 for convenience of use. The mounting cavity 52 is used for mounting a lithium battery. The battery compartment 51 is in communication with the mounting cavity 52 such that the lithium batteries extend into the battery compartment 51 and only one power source can be selected during use.
The housing 10 includes an upper cover 102, a middle cover 103, and a bottom cover 104. The substrate 21 is provided on the middle cap 103. The bottom cover 104 is provided with an insertion block 105, and a detection switch is arranged in the middle cover 103 or the bottom cover 104, so that the insertion block 105 presses the detection switch after the bottom cover 104 is installed, and the printer enters a working state.
The protruding block 101 is disposed on the bottom cover 104, and after the bottom cover 104 is mounted on the middle cover 103, the protruding block 101 can be inserted into the extrusion opening 106, so as to extrude the printing support 26, and the printer can enter a printing state when the power is turned on.
As shown in fig. 1, the system further includes a control center, keys 104, and a display 106. The first sensor 201 and the second sensor 44 are both connected with the control center. The printing head 25, the printing power part 22 and the shearing power part 41 are all electrically connected with the control center.
To sum up, the printing mechanism of the utility model generates vertical extrusion force through the convex block arranged on the bottom cover, so that the first printing roller and the printing head are close to each other, the printing mechanism can enter a printing state, and meanwhile, the second printing roller leans against the discharging column, so that smooth discharging can be realized; the printing power piece of the printing mechanism detects the rotation condition through a sensor so as to control the printing progress; the shearing mechanism is arranged in the discharging direction, and the shearing power part is controlled by a sensor. The bottom cover is in a turnover type, after the bottom cover is closed with the middle cover, the convex block is abutted against the printing mechanism, the insertion block is pressed on the detection switch, and the printer enters a working state; power mechanism is provided with the installation cavity that is used for installing the lithium cell to and be used for placing the battery compartment of alkaline battery, can the alternative in the use, increase the convenience of using.
The utility model discloses printing mechanism utilizes the extrusion formula of bottom, simple structure, and the reliability is high, and processing is simple and convenient, and is with low costs, and the operation convenience improves, utilizes the sensor to detect simultaneously and prints power spare and rotate, better control printing mechanism. The shearing mechanism adopts the sensor to detect the shearing mechanism, so that the reliability is enhanced, and bad conditions such as paper jam, continuous cutting and the like are reduced.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The extrusion type printing mechanism is characterized by comprising a substrate fixed on a shell, a printing power piece arranged on the substrate, a transmission component in transmission connection with the printing power piece, a printing roller in transmission connection with the transmission component, and a printing head; the first optical coupling sensor is arranged at the power output end of the printing power piece.
2. The extrusion printing mechanism of claim 1, further comprising a print carriage; the printing roller is rotationally connected with the printing support; the outer side of the printing support is pressed to press the printing roller to the printing head; the printing head is fixed on the substrate; a printing channel for passing printing materials is formed between the printing head and the printing roller.
3. The extrusion printing mechanism of claim 2, wherein the printing support is hinged to the base plate, and a support torsion spring is arranged at the hinged position, so that the printing support drives the printing roller to lean against the printing head.
4. The extrusion printing mechanism according to claim 2, wherein the printing roller comprises a first printing roller and a second printing roller, and the first printing roller and the second printing roller are in transmission coupling with the transmission assembly; the first printing roller corresponds to the printing head, and the printing channel is arranged between the first printing roller and the printing head.
5. The extrusion type printing mechanism according to claim 4, wherein the first printing roller and the second printing roller are rotatably coupled with the printing support, and rotating shafts of the first printing roller and the second printing roller are slidably coupled with sliding grooves of the printing support, so that a movement allowance is reserved during extrusion movement.
6. The extrusion printing mechanism of claim 5, wherein the printing support is provided with an inclined part at the outer side, and a squeezing opening is formed between the base plate and the inclined part for squeezing the printing support.
7. The extrusion printing mechanism according to claim 6, wherein a discharge channel is formed between the second printing roller and the discharge column; the discharging column is in transmission connection with the transmission assembly.
8. The squeeze printing mechanism according to claim 7, wherein said printing support is provided with a pressure spring; one end of the elastic force direction of the pressure spring is abutted against the second printing roller, and the other end of the elastic force direction of the pressure spring is abutted against the first printing roller, so that the first printing roller is pressed towards the printing channel, and the second printing roller is pressed towards the discharging channel.
9. The extrusion printing mechanism of claim 6, wherein the drive assembly comprises a plurality of drive gears rotationally coupled to the base plate, a recovery gear, and a discharge gear; the transmission gear is in transmission connection with the printing power part, and the discharging gear is in transmission connection with the second printing roller.
10. A printer comprising a housing, the squeeze printing mechanism of any one of claims 1 to 9, a consumable mechanism, a shear mechanism; the shell is provided with a rear cover, and the rear cover is provided with a convex block for extruding the printing mechanism; the consumable mechanism is in transmission connection with the transmission assembly, and the discharge end of the consumable mechanism is communicated with the feed end of the printing mechanism; the shearing mechanism is arranged at the discharge end of the printing mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920584518.2U CN209971897U (en) | 2019-04-26 | 2019-04-26 | Extrusion type printing mechanism and printer thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920584518.2U CN209971897U (en) | 2019-04-26 | 2019-04-26 | Extrusion type printing mechanism and printer thereof |
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| CN209971897U true CN209971897U (en) | 2020-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194000A (en) * | 2019-04-26 | 2019-09-03 | 深圳市普实科技有限公司 | A kind of squash type printing mechanism and its printer |
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2019
- 2019-04-26 CN CN201920584518.2U patent/CN209971897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194000A (en) * | 2019-04-26 | 2019-09-03 | 深圳市普实科技有限公司 | A kind of squash type printing mechanism and its printer |
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