CN219583746U - Printing device and silk screen printing machine - Google Patents
Printing device and silk screen printing machine Download PDFInfo
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- CN219583746U CN219583746U CN202223167855.2U CN202223167855U CN219583746U CN 219583746 U CN219583746 U CN 219583746U CN 202223167855 U CN202223167855 U CN 202223167855U CN 219583746 U CN219583746 U CN 219583746U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a printing device and a screen printer, wherein the printing device comprises a translation driving module, a lifting driving module, a first screen printing component and a second screen printing component, wherein: the lifting driving module comprises a first driving end and a second driving end. The first silk screen printing component is connected to the first driving end, and the first driving end drives the first silk screen printing component to lift. The second silk screen printing assembly is connected to the second driving end, and the second driving end drives the second silk screen printing assembly to lift. The first silk screen printing component comprises a first silk screen printing part and a first ink return part, and the second silk screen printing component comprises a second silk screen printing part and a second ink return part. When the translation driving module drives the second ink returning part to return ink, the first silk-screen printing part is used for scraping the second ink returning part, and when the translation driving module drives the first ink returning part to return ink, the second silk-screen printing part is used for scraping the first ink returning part. According to the utility model, the lifting driving module with two driving ends is used for controlling the lifting of the first screen printing assembly and the second screen printing assembly, so that the equipment cost is reduced.
Description
Technical Field
The utility model relates to the field of battery production, in particular to a printing device and a screen printer.
Background
Screen printing is one of the techniques for preparing the grid lines, and an ink returning knife and a scraper are generally used in the industry to respectively carry out ink returning and scraping, so that if the screen printing device is arranged in this way, one screen printing can be completed only by one and two strokes, and the printing effect is excellent but the efficiency is low.
In recent years, the technology of single-stroke scraping printing is studied in a great deal in the industry, for example, only two scrapers are arranged, and the single-stroke scraping printing is performed once, so that the printing quality is poor because the screen printing holes are not filled with ink in advance. The middle ink returning knife and the two side scrapers are arranged, the two scrapers share one ink returning knife, the structure is complex, the cost is high, and the inertia is large. The two scraper holders are arranged, each scraper holder comprises a scraper and an ink returning knife, the front scraper holder returns ink at the rear scraper holder in a single stroke, the rear scraper holder scrapes ink, or the front scraper holder scrapes ink and the rear scraper holder scrapes ink for next scraping ink, and the structure is more complex, the cost is higher, and the inertia is larger.
Disclosure of Invention
In order to solve at least one of the above technical problems of the existing single-stroke scratch printing device, the utility model provides a printing device, which has the following detailed technical scheme:
printing device, including translation drive module, lift drive module, first silk screen printing subassembly and second silk screen printing subassembly, wherein:
the lifting driving module is connected with the driving end of the translation driving module and comprises a first driving end and a second driving end;
the first screen printing component is connected to the first driving end of the lifting driving module, and the lifting driving module independently drives the first screen printing component to lift through the first driving end;
the second screen printing component is connected to the second driving end of the lifting driving module, and the lifting driving module independently drives the second screen printing component to lift through the second driving end;
the first silk-screen printing component comprises a first silk-screen printing part and a first ink return part, and the second silk-screen printing component comprises a second silk-screen printing part and a second ink return part;
when the translation driving module drives the second ink returning part to return ink, the first silk-screen part is scraped to print along with the second ink returning part, or,
when the translation driving module drives the first ink returning part to return ink, the second silk-screen printing part is scraped to print along with the first ink returning part.
According to the printing device provided by the utility model, the lifting driving modules with the two mutually independent driving ends are adopted to control the lifting of the first screen printing component and the second screen printing component, so that the complexity of a driving structure is reduced, and the equipment cost is reduced. In addition, the first silk screen printing component and the second silk screen printing component are configured to comprise a silk screen printing part and an ink returning part, so that in one single stroke, the ink returning part of one silk screen printing component executes an ink returning action, and the silk screen printing part of the other silk screen printing component executes a scraping action immediately after the ink returning action, thereby ensuring the printing quality of each single stroke and improving the efficiency.
In some embodiments, the first screen printing assembly and the second screen printing assembly are identical in structure and mirror mounted. The first silk screen printing part and the second silk screen printing part are arranged close to the mirror image center, and the first ink return part and the second ink return part are arranged away from the mirror image center.
By arranging the first screen printing component and the second screen printing component, one of the first screen printing component and the second screen printing component can execute the scraping action immediately after the other when executing the ink return action.
In some embodiments, the first silk-screen portion forms an angle of 30 ° to 80 ° with the horizontal plane, and the first ink return portion forms an angle of 60 ° to 100 ° with the horizontal plane.
The included angle between the ink return part and the horizontal plane is set to be 60-100 degrees, so that the ink return part applies pressure with an adaptive size to the printing paste, a layer of uniform printing paste layer is applied on the surface of the screen plate, and the printing paste is ensured to be uniformly filled into the meshes of the printing screen plate. The included angle between the screen printing part and the horizontal plane is set to be 30-80 degrees, so that the screen printing part applies pressure with an adaptive size to the printing screen, and the printing paste can be ensured to be printed on the battery piece through the meshes of the printing screen.
In some embodiments, ink return ends of the first ink return portion and the second ink return portion are each provided with an arc surface.
By arranging the cambered surfaces at the ink return ends of the first ink return part and the second ink return part, the first ink return part and the second ink return part can more uniformly fill printing paste into meshes of the printing screen.
In some embodiments, the lift drive module includes mount pad, stator, first active cell, second active cell and detection piece, wherein: the mounting seat is arranged on the mounting plate, and a mounting cavity is arranged in the mounting seat; the stator is fixedly arranged in the mounting cavity, and the first rotor and the second rotor are both slidably arranged in the mounting cavity and can both slide in the vertical direction in the mounting cavity; the first silk-screen assembly is connected to the lower end of the first rotor, and the stator drives the first rotor to slide up and down so as to drive the first silk-screen assembly to lift; the second silk-screen assembly is connected to the lower end of the second rotor, and the stator drives the second rotor to slide up and down so as to drive the second silk-screen assembly to lift; the detection piece is used for detecting the lifting stroke of the first rotor and the second rotor.
The double-mover linear driving motor structure is adopted as a lifting driving module, and the stator can control the first mover and the second mover to independently lift, so that the independent lifting driving of the first screen printing assembly and the second screen printing assembly is realized. Through setting up the detection piece, realized the real-time detection to the lift stroke of first active cell and second active cell to guarantee that first silk screen printing subassembly, second silk screen printing subassembly can be driven to target height department by the accuracy.
In some embodiments, the detection member includes a first grating scale for detecting a lift stroke of the first mover and a second grating scale for detecting a lift stroke of the second mover.
And lifting stroke detection of the first rotor and the second rotor is implemented by adopting the first grating ruler and the second grating ruler, so that displacement accuracy of the first rotor and the second rotor is improved.
In some embodiments, the first screen printing assembly is rotatably connected to the lower end of the first drive end via a first adaptive connector, and the second screen printing assembly is rotatably connected to the lower end of the second drive end via a second adaptive connector.
The first silk screen printing assembly is rotatably connected to the lower end of the first driving end through the first self-adaptive connecting piece, and the first driving end drives the first silk screen printing assembly in place, so that the first silk screen printing assembly can finish self-adaptive rotation under the action of self gravity and/or the acting force of the screen printing plate, and the first silk screen printing assembly is aligned with the printing screen printing plate. Likewise, the second screen printing component is rotatably connected to the lower end of the second driving end through a second self-adaptive connecting piece, and after the second driving end drives the second screen printing component in place, the second screen printing component completes self-adaptive rotation under the action of self-gravity and/or the acting force of the screen printing plate, so that the second screen printing component is aligned with the printing screen printing plate.
In some embodiments, both ends of the first screen printing component and the second screen printing component are provided with blocking sheets, and the blocking sheets are configured to collect printing paste in the moving direction of the first screen printing component or the second screen printing component; the first silk screen printing component and the second silk screen printing component downwards extend out of the corresponding material blocking sheets.
And the material blocking sheets are arranged at the two ends of the first screen printing assembly and the second screen printing assembly, so that the printing paste on the moving direction of the first screen printing assembly or the second screen printing assembly is folded, and the printing paste is prevented from being driven out of the moving range of the first screen printing assembly and the second screen printing assembly. The first silk screen printing component and the second silk screen printing component downwards extend out of the material blocking sheet, so that the material blocking sheet is prevented from being pressed onto the printing screen during scraping printing, and scratch is caused on the printing screen.
In some embodiments, the material of the first silk-screen printing component and the second silk-screen printing component is rubber with the Shore hardness of 65-80.
The first silk screen printing component and the second silk screen printing component which are made of rubber materials can realize flexible pressing of the printing screen, so that the scraping printing effect is improved, and scratch of the printing screen is prevented.
The utility model also provides a screen printing machine, which comprises a mounting bracket, a printing screen and any printing device, wherein: the printing screen is connected to the mounting bracket; the printing device is mounted on the mounting bracket and is in contact with the printing screen, and the printing device is used for printing the printing paste onto the workpiece through the printing screen.
Through the cooperation of the printing device and the printing screen, the screen printing machine can execute one-time scraping printing per single stroke, thereby ensuring the printing efficiency. In particular, by using a printing device according to any of the above, the present utility model has a lower structural complexity and lower cost than existing screen printers.
Drawings
FIG. 1 is a schematic diagram of a printing apparatus according to the present utility model;
FIG. 2 is a schematic structural diagram of a first screen printing assembly according to an embodiment of the utility model;
FIG. 3 is a schematic diagram of a second screen printing assembly according to an embodiment of the utility model;
FIG. 4 is a side view of a first screen printing assembly and a second screen printing assembly according to an embodiment of the utility model;
FIG. 5 is a schematic view of a printing apparatus according to an embodiment of the present utility model in a first operating state;
FIG. 6 is a schematic view of a printing apparatus according to an embodiment of the present utility model in a second operating state;
FIG. 7 is a schematic view of a printing apparatus according to an embodiment of the present utility model in a third operating state;
FIG. 8 is a schematic view of a printing apparatus according to an embodiment of the present utility model in a fourth operating state;
FIG. 9 is a schematic diagram of a screen printing machine according to one embodiment of the utility model;
fig. 1 to 9 include:
lifting driving module 1:
the device comprises an installation seat 11, a first rotor 12 and a second rotor 13;
first screen printing assembly 2:
a first screen printing portion 21 and a first ink return portion 22;
second screen printing assembly 3:
a second screen printing portion 31, a second ink returning portion 32, and an arc surface 33;
a first adaptive connection 4;
a second adaptive connection 5;
a material blocking sheet 6;
a mounting plate 7;
printing screen 10, cell sheet 20, printing paste stack 30.
Detailed description of the preferred embodiments
The foregoing objects, features and advantages of the utility model will be more readily apparent from the following detailed description of the utility model taken in conjunction with the accompanying drawings and detailed description.
As shown in fig. 1 to 4, the printing device in the embodiment of the utility model includes a translation driving module, a lifting driving module 1, a first screen printing assembly 2 and a second screen printing assembly 3, wherein:
the lifting driving module 1 is connected with the driving end of the translation driving module, and the lifting driving module 1 comprises a first driving end and a second driving end. The first screen printing component 2 is connected to the first driving end of the lifting driving module 1, and the lifting driving module 1 independently drives the first screen printing component 2 to lift through the first driving end. The second screen printing component 3 is connected to the second driving end of the lifting driving module 1, and the lifting driving module 1 independently drives the second screen printing component 3 to lift through the second driving end.
The first screen printing assembly 2 includes a first screen printing portion 21 and a first ink return portion 22, and the second screen printing assembly 3 includes a second screen printing portion 31 and a second ink return portion 32. When the translation driving module drives the second ink returning part 32 to return ink, the first silk-screen part 21 follows the second ink returning part 32 to scrape. When the translation driving module drives the first ink returning part 22 to return ink, the second silk-screen part 31 follows the first ink returning part 22 to scrape.
In order to make the structure and operation of the printing device of the utility model more clearly understood by those skilled in the art, the operation of the printing device of the utility model will be described in the following by way of example with reference to fig. 5 to 8:
in the initial state, the first screen printing component 2 and the second screen printing component 3 are both located at the first end (such as the right end) of the printing screen 10, and the first screen printing component 2 and the second screen printing component 3 are both far away from the printing screen 10.
A first one-pass printing (from a first end of printing screen 10 to a second end of printing screen 10) is performed:
first, the lifting driving module 1 drives the first screen printing assembly 2 to a first low position through the first driving end, so that the first screen printing assembly 2 is abutted on the printing screen 10. Meanwhile, the lifting driving module 1 drives the second screen printing assembly 3 to a second low position slightly higher than the first low position through the second driving end, so that an ink return gap is formed between the bottom of the second screen printing assembly 3 and the printing screen 10. For example, the first screen printing module 2 presses down the printing screen 10 by 0 to 2.5mm, and an ink return gap of 1mm is formed between the bottom of the second screen printing module 3 and the printing screen 10.
Next, as shown in fig. 5, the translation driving module drives the first screen printing component 2 and the second screen printing component 3 to synchronously move towards the second end of the printing screen 10 until moving to a predetermined first printing stop position. In this process, the second ink returning portion 32 of the second screen printing module 3 performs an ink returning action so that the printing paste is filled into the mesh holes of the printing screen 10 and a uniform paste coating layer is formed. Immediately after the first screen printing portion 21 of the first screen printing unit 2, a scraping operation is performed so that the printing paste is printed onto the battery sheet 20 through the mesh holes of the printing screen 10.
Thus, the first single-pass printing is completed, and a printing paste stack 30 is formed between the first screen assembly 2 and the second screen assembly 3.
A second one-pass printing (from the second end of the printing screen 10 to the first end of the printing screen 10) is performed:
as shown in fig. 6, the lifting driving module 1 drives the first screen printing assembly 2 and the second screen printing assembly 3 to lift and reset through the first driving end and the second driving end. Subsequently, the translation driving module drives the first screen printing component 2 and the second screen printing component 3 to move towards the second end of the printing screen 10 by a predetermined distance, so that the printing paste stack 30 is located on the outer side (right side in the figure) of the first screen printing component 2.
Next, as shown in fig. 7, the lifting driving module 1 drives the first screen printing assembly 2 to the second lower position through the first driving end, so that an ink return gap is formed between the bottom of the first screen printing assembly 2 and the printing screen 10. Meanwhile, the lifting driving module 1 drives the second screen printing assembly 3 to the first low position through the second driving end, so that the second screen printing assembly 3 is abutted on the printing screen 10.
Next, as shown in fig. 8, the translation driving module drives the first screen printing component 2 and the second screen printing component 3 to synchronously move towards the first end of the printing screen 10 until moving to a predetermined second printing stop position. In this process, the first ink returning portion 22 of the first screen printing module 2 performs an ink returning action so that the printing paste is filled into the mesh holes of the printing screen 10 and a uniform paste coating is formed. The second screen printing portion 31 of the second screen printing unit 3 is then followed by a scraping operation, so that the printing paste is printed onto the battery sheet 20 through the mesh holes of the printing screen 10.
At this point, the second single pass printing is completed, and a new print paste stack 30 is formed between the first screen assembly 2 and the second screen assembly 3.
It can be seen that the printing device of the utility model can complete one printing per single stroke. By adopting the lifting driving module with two mutually independent driving ends to control the lifting of the first screen printing component 2 and the second screen printing component 3, the utility model reduces the complexity of the driving structure, reduces the equipment cost and reduces the inertia. In particular, the first screen printing assembly 1 and the second screen printing assembly 2 are configured to include a screen printing portion and an ink return portion, so that in each single-pass printing process, the ink return portion of one screen printing assembly performs an ink return action, and the screen printing portion of the other screen printing assembly performs a scraping action immediately thereafter, thereby ensuring the printing quality of each single pass.
Further, alternatively, at the beginning of each single-pass printing, the following screen assembly may wait for the preceding screen assembly to descend and coat a predetermined distance before descending to perform the squeegee process.
Also alternatively, as mentioned in the above description of the steps, the printing paste stack 30 is formed at the end of each single stroke printing, and in fact, a smaller mass of paste is formed on the side of the screen printing assembly which performs the ink return action in this single stroke, which is away from the printing paste stack 30, and after a plurality of single strokes, the mass of paste is accumulated more, resulting in an abnormal increase in the consumption rate of the printing paste 30. Therefore, optionally, after each single-pass printing is completed, the lifting driving module 1 drives the two screen printing assemblies to lift and reset, and transversely move for a predetermined distance, so that the printing paste stack 30 and the mass of less paste are all located on the moving path of the screen printing assembly performing the ink return action in the next printing, thereby reducing paste waste.
As shown in fig. 4, in the printing device according to the embodiment of the present utility model, the first screen printing module 2 and the second screen printing module 3 have the same structure and are installed in a mirror image. The first screen printing portion 21 and the second screen printing portion 31 are disposed near the mirror image center, and the first ink return portion 22 and the second ink return portion 32 are disposed away from the mirror image center. So arranged, it is ensured that one of the first screen printing assembly 2 and the second screen printing assembly 3 is capable of performing a wiping action immediately thereafter when the other is performing an ink return action.
Alternatively, as shown in fig. 4, an included angle a of 30-80 degrees is formed between the silk-screen portions of the first silk-screen assembly 2 and the second silk-screen assembly 3 and the horizontal plane. The ink return parts of the first screen printing component 2 and the second screen printing component 3 form an included angle B of 60-100 degrees with the horizontal plane.
Through carrying out above-mentioned setting to the contained angle between silk screen portion and the horizontal plane for silk screen portion can apply suitable pressure to printing thick liquids and printing half tone, thereby guarantees that printing thick liquids can see through the mesh printing of printing half tone smoothly to the battery piece on. Through carrying out above-mentioned setting to the contained angle between ink return portion and the horizontal plane for ink return portion can apply suitable pressure to printing paste, thereby guarantees that printing paste can not fill in the mesh of printing half tone uniformly, in a sufficient amount because of the pressure is too little, and can not leak from the mesh because of the pressure is too big.
With continued reference to fig. 4, optionally, ink return ends of the first ink return portion 22 and the second ink return portion 32 are each provided with an arc surface 33. By providing the cambered surface at the ink return end, the first ink return portion 22 and the second ink return portion 32 can more uniformly and sufficiently fill the printing paste into the meshes of the printing screen, and the printing quality is improved.
The lift driving module 1 of the present utility model may employ a variety of known driving devices having two independent lift driving ends. As shown in fig. 1, optionally, in the embodiment of the present utility model, a double-motor linear motor is used as the lifting driving module 1, which includes a mounting seat 11, a stator, a first mover 12 and a second mover 13, where the mounting seat 11 is disposed on the mounting plate 7, and a mounting cavity is disposed in the mounting seat 11. The stator is fixedly arranged in the mounting cavity, and the first rotor 12 and the second rotor 13 are both slidably arranged in the mounting cavity and can both slide in the vertical direction in the mounting cavity.
The first silk screen printing component 2 is connected to the lower end of the first rotor 12, and the first rotor 12 slides up and down along the stator to drive the first silk screen printing component 2 to lift. That is, the first mover 12 constitutes the first driving end of the elevation driving module 1. The second silk screen printing component 3 is connected to the lower end of the second rotor 13, and the second rotor 13 slides up and down along the stator to drive the second silk screen printing component 3 to lift. That is, the second mover 13 constitutes the second driving end of the elevation driving module 1.
Optionally, the stator, the first mover 12 and the second mover 13 are all plate-shaped structures, and the first mover 12 and the second mover 13 are respectively connected to two side surfaces of the stator in a sliding manner. Alternatively, the first mover 12 and the second mover 13 may be slidably connected to the stator or the mounting base 11 using a vertically extending slide rail and slider structure.
Optionally, a detecting piece is further installed in the installation cavity of the lifting driving module 1, and the detecting piece is used for detecting lifting strokes of the first rotor 12 and the second rotor 13, so that the first screen printing assembly 2 and the second screen printing assembly 3 can be accurately driven to a target height. The detecting member may include, for example, a first grating scale for detecting a lifting stroke of the first mover 12 and a second grating scale for detecting a lifting stroke of the second mover 13.
With continued reference to fig. 1, optionally, the first screen printing assembly 2 is rotatably connected to the lower end of the first driving end via the first adaptive connector 4, and after the first screen printing assembly 2 is driven into place by the first driving end, the first screen printing assembly 2 completes adaptive rotation under its own gravity and/or a screen acting force, so as to ensure that the first screen printing assembly 2 can be aligned with or abutted against the printing screen.
Also, optionally, the second screen printing assembly 3 is rotatably connected to the lower end of the second driving end through a second adaptive connecting piece 5, and after the second screen printing assembly 3 is driven in place by the second driving end, the second screen printing assembly 3 completes adaptive rotation under the self-gravity and/or the acting force of the screen printing plate, so that the second screen printing assembly 3 is aligned with the printing screen plate or is abutted against the printing screen plate.
With continued reference to fig. 1, optionally, both ends of the first screen printing assembly 2 and the second screen printing assembly 3 are provided with a blocking sheet 6, and the blocking sheet 6 is configured to collect printing paste in the moving direction of the first screen printing assembly 2 or the second screen printing assembly 3. The first screen printing component 2 and the second screen printing component 3 downwards extend out of the corresponding material blocking sheets 6.
Through set up the fender material piece 6 at the both ends of first silk screen printing subassembly 2 and second silk screen printing subassembly 3, realized being located the drawing in of the printing thick liquids of the removal direction of first silk screen printing subassembly 2 or second silk screen printing subassembly 3, prevent that printing thick liquids from being driven to the removal scope of first silk screen printing subassembly 2 and second silk screen printing subassembly 3 and causing extravagant. The first screen printing component 2 and the second screen printing component 3 extend downwards from the material blocking sheets, so that the material blocking sheets 6 are prevented from being pressed onto the printing screen during the scraping printing process, and the printing screen is prevented from being scratched.
Optionally, the first screen printing component 2 and the second screen printing component 3 are made of rubber, and preferably, the shore hardness of the rubber is 65-80. Through selecting the material of first silk screen printing subassembly 2 and second silk screen printing subassembly 3, can realize that first silk screen printing subassembly 2, the flexible of second silk screen printing subassembly 3 to press the printing screen printing to under the prerequisite of guaranteeing the scraping printing effect, prevent to cause the damage of drawing to the printing screen printing.
The utility model also provides a screen printer, as shown in fig. 9, comprising a mounting bracket, a printing screen and any one of the printing devices, wherein: the printing screen 10 is attached to a mounting bracket, and a printing device is mounted to the mounting bracket and is in contact with the printing screen 10, the printing device being adapted to print a printing paste onto a workpiece through the printing screen 10.
The screen printing machine can execute one scraping printing per single stroke. Compared with the existing various single-stroke silk-screen printers, the structure complexity, inertia and cost of the utility model are obviously reduced.
The utility model has been described above in sufficient detail with a certain degree of particularity. It will be appreciated by those of ordinary skill in the art that the descriptions of the embodiments are merely exemplary and that all changes that come within the true spirit and scope of the utility model are desired to be protected. The scope of the utility model is indicated by the appended claims rather than by the foregoing description of the embodiments.
Claims (10)
1. Printing device, its characterized in that, printing device includes translation drive module, lift drive module, first silk screen printing subassembly and second silk screen printing subassembly, wherein:
the lifting driving module is connected with the driving end of the translation driving module and comprises a first driving end and a second driving end;
the first screen printing component is connected to the first driving end of the lifting driving module, and the lifting driving module independently drives the first screen printing component to lift through the first driving end;
the second screen printing component is connected to the second driving end of the lifting driving module, and the lifting driving module independently drives the second screen printing component to lift through the second driving end;
the first screen printing component comprises a first screen printing part and a first ink return part, and the second screen printing component comprises a second screen printing part and a second ink return part;
when the translation driving module drives the second ink returning part to return ink, the first silk-screen part is scraped with the second ink returning part or,
when the translation driving module drives the first ink returning part to return ink, the second silk-screen part follows the first ink returning part to scrape.
2. The printing device of claim 1, wherein the first screen assembly and the second screen assembly are identical in construction and mirror mounted;
the first silk screen printing part and the second silk screen printing part are arranged close to the mirror image center, and the first ink return part and the second ink return part are arranged away from the mirror image center.
3. The printing device according to claim 2, wherein an included angle between the first silk-screen portion and a horizontal plane is 30-80 degrees; the first ink return part forms an included angle of 60-100 degrees with the horizontal plane.
4. The printing device of claim 1, wherein the ink return ends of the first ink return portion and the second ink return portion are each provided with an arc surface.
5. The printing device of claim 1, wherein the lift drive module comprises a mount, a stator, a first mover, a second mover, and a detection member, wherein:
the mounting seat is arranged on the mounting plate, and a mounting cavity is arranged in the mounting seat;
the stator is fixedly arranged in the mounting cavity, and the first rotor and the second rotor are both slidably arranged in the mounting cavity and can both slide in the vertical direction in the mounting cavity;
the first silk-screen assembly is connected to the lower end of the first rotor, and the stator drives the first rotor to slide up and down so as to drive the first silk-screen assembly to lift;
the second silk-screen assembly is connected to the lower end of the second rotor, and the stator drives the second rotor to slide up and down so as to drive the second silk-screen assembly to lift;
the detection piece is used for detecting the lifting stroke of the first rotor and the second rotor.
6. The printing device of claim 5, wherein the detecting member comprises a first grating scale for detecting a lift stroke of the first mover and a second grating scale for detecting a lift stroke of the second mover.
7. The printing device of claim 1, wherein the first screen assembly is rotatably coupled to a lower end of the first drive end via a first adaptive coupling, and the second screen assembly is rotatably coupled to a lower end of the second drive end via a second adaptive coupling.
8. The printing device of claim 1, wherein both ends of the first screen printing assembly and the second screen printing assembly are provided with a baffle configured to gather printing paste in a moving direction of the first screen printing assembly or the second screen printing assembly;
the first silk screen printing component and the second silk screen printing component downwards extend out of the corresponding material blocking sheet.
9. The printing device of claim 1, wherein the first screen printing element and the second screen printing element are made of rubber with a shore hardness of 65-80.
10. A screen printer comprising a mounting bracket, a printing screen and the printing device of any one of claims 1 to 9, wherein:
the printing screen is connected to the mounting bracket;
the printing device is arranged on the mounting bracket and is in contact with the printing screen, and the printing device is used for printing the printing paste on a workpiece through the printing screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223167855.2U CN219583746U (en) | 2022-11-29 | 2022-11-29 | Printing device and silk screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223167855.2U CN219583746U (en) | 2022-11-29 | 2022-11-29 | Printing device and silk screen printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219583746U true CN219583746U (en) | 2023-08-25 |
Family
ID=87666606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223167855.2U Active CN219583746U (en) | 2022-11-29 | 2022-11-29 | Printing device and silk screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219583746U (en) |
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2022
- 2022-11-29 CN CN202223167855.2U patent/CN219583746U/en active Active
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