CN212073281U - Doctor blade assembly and screen printing apparatus - Google Patents
Doctor blade assembly and screen printing apparatus Download PDFInfo
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- CN212073281U CN212073281U CN202020339530.XU CN202020339530U CN212073281U CN 212073281 U CN212073281 U CN 212073281U CN 202020339530 U CN202020339530 U CN 202020339530U CN 212073281 U CN212073281 U CN 212073281U
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Abstract
The utility model provides a doctor-bar subassembly and screen printing device, wherein, the doctor-bar subassembly includes: the driving device comprises a fixed part and a telescopic part arranged in the fixed part, and part of the telescopic part is exposed out of the fixed part; the end part of the scraping sheet seat is connected with the telescopic part exposed out of the fixing part; the scraping blade is arranged on the scraping blade seat and is far away from one end of the telescopic part; attitude detection means for acquiring a movement amount of the drive means; and the processor module is in communication connection with the attitude detection device and controls the doctor blade to work according to the movement amount of the driving device. The utility model provides a doctor-bar subassembly reciprocates through processor module control drive arrangement drive doctor-bar seat, and then makes the doctor-bar keep in predetermineeing the within range at distance and relative angle between during operation and the silk screen, has reduced the thick liquids that remain when printing, improves the printing quality.
Description
Technical Field
The utility model relates to a screen printing technical field particularly, relates to a doctor-bar subassembly and screen printing device.
Background
Grid lines on the surface of a solar cell are usually prepared by a screen printing technology, and the manufacturing process directly influences the conversion efficiency and the production cost of the solar cell.
As shown in fig. 1 and 2, the screen printing apparatus 100 'basically includes a screen 160', a doctor blade 180 ', a paste 110', a table 120 'and a base plate 140', and when printing, the paste 110 'is poured into one end of the screen 160', and a doctor blade 180 'applies a certain pressure to a portion of the paste 110' of the screen 160 'while moving toward the other end of the screen 160'. The paste 110 'is pressed from the meshes of the screen 160' onto the substrate 140 'by the doctor blade 180' while moving to complete printing. In the printing process, the doctor blade 180 'is used for pressing the paste 110' into the leak holes of the screen 160 'at a certain speed and at a certain angle, the doctor blade 180' maintains a certain pressure on the screen 160 'during printing, the doctor blade pressure directly influences the printing quality of the battery piece and the service life of the screen 160', the screen 160 'is easily deformed due to the excessive pressure of the doctor blade 180', the printed pattern is inconsistent with the pattern of the screen, the wear of the doctor blade 180 'and the screen 160' is also aggravated, and the service lives of the doctor blade 180 'and the screen 160' are influenced; too little pressure by the doctor blade 180 'can cause residual slurry on the printed screen 160', which can affect print quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model discloses a first aspect provides a doctor-bar subassembly.
The utility model discloses the second aspect provides a screen printing device.
A first aspect of the present invention provides a wiper blade assembly, comprising: the driving device comprises a fixed part and a telescopic part arranged in the fixed part, and part of the telescopic part is exposed out of the fixed part; the end part of the scraping sheet seat is connected with the telescopic part exposed out of the fixing part; the scraping blade is arranged on the scraping blade seat and is far away from one end of the telescopic part; attitude detection means for acquiring a movement amount of the drive means; and the processor module is in communication connection with the attitude detection device and controls the doctor blade to work according to the movement amount of the driving device.
The utility model provides a doctor-bar subassembly, including drive arrangement, doctor-bar seat, doctor-bar, gesture detection device and processor module, wherein, gesture detection device is used for acquireing drive arrangement's the amount of movement, and the back is connected with gesture detection device communication to processor module, the drive arrangement's that acquires the amount of movement to carry out the comparison with the predetermined numerical range with the drive arrangement's that acquires the amount of movement, and then according to drive arrangement's the work of movement control doctor-bar. Specifically, when the movement amount of the driving device is out of the preset numerical range, the processor module controls the driving device to move so as to adjust the movement amount of the driving device to be within the preset numerical range, and further realize the position adjustment of the doctor blade. The utility model discloses a processor module control drive arrangement drive scrapes the motion of piece seat, and then makes the doctor-bar keep in predetermineeing the within range at distance and relative angle between during operation and the silk screen, and the thick liquids that remain when having reduced the printing improves the printing quality.
According to the utility model discloses above-mentioned technical scheme's temperature control device can also have following additional technical characterstic:
in any of the above solutions, further, the wiper blade assembly further includes: a drive unit; the scraper seat is provided with a mounting hole, the scraper is provided with a through hole, and the driving unit penetrates through the mounting hole and the through hole to connect the scraper seat with the scraper.
In the technical scheme, the scraping blade is connected to the lower end of the scraping blade seat through the driving unit, and the axis line of the driving unit extends along the horizontal direction and is perpendicular to the front-back moving direction of the scraping blade component, so that the scraping blade can move on the screen.
In the above technical solution, further, the posture detecting device includes: the angle sensor is arranged on the part of the telescopic part exposed out of the fixing part.
In the technical scheme, the posture detection device comprises an angle sensor, the angle sensor is arranged at a part of the telescopic part exposed out of the fixing part and used for collecting angle data of the driving device relative to the silk screen and sending the angle data to the processor module, and the processor module controls the driving unit to drive the scraping plate seat to rotate according to the angle data so as to change the angle of the scraping plate seat relative to the silk screen, so that the scraping plate is perpendicular to the silk screen when in work and residual slurry of the scraping plate during work is reduced.
In the above technical solution, further, the posture detecting device further includes: the ultrasonic sensor is arranged on the part of the telescopic part exposed out of the fixing part.
In this technical scheme, gesture detection device still includes ultrasonic sensor, ultrasonic sensor arranges the portion that the pars contractilis exposes in the fixed part in for gather drive arrangement for the high data of silk screen, and send for processor module, processor module controls drive arrangement drive doctor blade seat up-and-down motion according to high data, with the distance between change doctor blade seat and the silk screen, make the doctor-bar during operation in the predetermined range to the pressure of silk screen, avoid pressure too big to cause the silk screen to take place to warp, influence the life of silk screen.
In any of the above solutions, further, the wiper blade assembly further includes: and the driving device is arranged on the mounting seat.
In this technical scheme, the mount pad provides a support for drive arrangement, is convenient for install doctor-bar assembly on the workstation wholly.
In the above technical solution, further, the wiper blade assembly further includes: the guide device comprises a guide rail and a sliding part, and the sliding part slides on the guide rail; the doctor blade seat includes: the back plate is arranged opposite to the mounting seat; the guide rail is arranged on the mounting seat, the sliding part is arranged on the back plate, and the scraping blade seat is connected with the mounting seat through the guiding device.
In this technical scheme, the doctor-bar subassembly includes at least a set of guider, makes doctor-bar seat and mount pad laminating, can have certain support and guide moving direction's effect to doctor-bar seat, guarantees that the blade of doctor-bar seat below can move in vertical direction.
In any of the above solutions, further, the wiper blade assembly further includes: transmission, transmission include driving medium and lifting slide, and lifting slide can remove along the driving medium, and the driving medium sets up on the mount pad.
In the technical scheme, the driving device is connected to the mounting seat through the transmission device, so that the driving device can move up and down on the mounting seat, the doctor blade is convenient to withdraw from without touching the screen, and the screen is prevented from being scratched.
In any of the above solutions, further, the wiper blade assembly further includes: and the power supply device is arranged at the end part of the mounting seat.
In the technical scheme, the power supply device provides power for the transmission device, so that the lifting slide block can move along the transmission piece, the driving device can move on the mounting seat, the scraper can be withdrawn conveniently without touching the screen, and the screen is prevented from being scratched.
The utility model discloses the second aspect provides a screen printing device, include: a wiper blade assembly; the scraping blade assembly is arranged on the working surface of the screen; the silk screen is arranged on the workbench; and the substrate is arranged between the workbench and the silk screen and is positioned on the workbench.
The utility model discloses a screen printing device is owing to including above-mentioned doctor-bar subassembly, consequently possesses all beneficial effects of above-mentioned doctor-bar subassembly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a prior art screen printing apparatus;
FIG. 2 is a top view of a prior art screen printing apparatus;
FIG. 3 is a rear view of a wiper blade assembly according to one embodiment of the present invention;
FIG. 4 is a schematic structural view of a doctor blade assembly according to an embodiment of the invention;
fig. 5 is a front view of a doctor blade assembly according to an embodiment of the invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
100 'screen printing device, 120' table, 140 'substrate, 160' screen, 180 'doctor blade, 110' paste;
wherein, the correspondence between the reference numbers and the part names in fig. 3 to 5 is:
100 doctor blade assembly, 102 mount, 106 drive, 108 doctor blade mount, 110 drive unit, 112 doctor blade, 114 attitude detection device, 116 guide, 1162 guide, 1164 slide, 118 power supply, 120 transmission, 1202 transmission, 1204 lift slide.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A squeegee assembly and a screen printing apparatus provided according to some embodiments of the present invention are described below with reference to fig. 3 to 5.
Example one
As shown in fig. 3 and 4, a first aspect of the present invention provides a wiper blade assembly 100, including: the driving device 106 comprises a fixed part and a telescopic part arranged in the fixed part, and part of the telescopic part is exposed out of the fixed part; the end part of the scraping sheet seat 108 is connected with the telescopic part exposed out of the fixing part; the scraping blade 112 is arranged on the scraping blade seat 108 and is far away from one end of the telescopic part; attitude detecting means 114, the attitude detecting means 114 being for acquiring a moving amount of the driving means 106; and the processor module is in communication connection with the posture detection device 114 and controls the operation of the scraping blade 112 according to the movement amount of the driving device 106.
Specifically, after the processor module is connected to the posture detection device 114 in a communication manner, the movement amount of the driving device 106 is obtained, and the obtained movement amount of the driving device 106 is compared with a preset value range, so that the operation of the blade 112 is controlled according to the movement amount of the driving device 106. Specifically, when the moving amount of the driving device 106 is outside the preset value range, the processor module controls the driving device 106 to move, so as to adjust the moving amount of the driving device 106 within the preset value range, and further, to adjust the position of the blade 112. The utility model discloses a doctor-bar subassembly 100 drives doctor-bar seat 108 through processor module control drive arrangement 106 and moves, and then makes doctor-bar 112 keep in predetermineeing the within range at distance and relative angle between during operation and the silk screen, and the thick liquids that remain when having reduced the printing improve the printing quality.
Example two
On the basis of the above embodiment, the blade assembly 100 further includes: a drive unit 110; the blade seat 108 is provided with a mounting hole, the blade 112 is provided with a through hole, and the driving unit 110 penetrates through the mounting hole and the through hole to connect the blade seat 108 and the blade 112.
The doctor blade 112 is connected to the lower end of the doctor blade seat 108 through the driving unit 110, and the axis of the driving unit 110 extends along the horizontal direction and is perpendicular to the front-back moving direction of the doctor blade assembly 100, so that the doctor blade 112 can move on the screen.
Further, the posture detecting device 114 includes an angle sensor disposed at a portion of the telescopic portion exposed out of the fixing portion, and configured to collect angle data of the driving device 106 relative to the screen, and send the angle data to the processor module, and the processor module controls the driving unit 110 to drive the blade seat 108 to rotate according to the angle data, so as to change an angle of the blade seat 108 relative to the screen, so that the blade 112 is perpendicular to the screen during operation, and reduce residual slurry during operation of the blade 112.
Further, the posture detecting device 114 further comprises an ultrasonic sensor, the ultrasonic sensor is arranged at a part of the telescopic portion, which is exposed out of the fixing portion, and used for acquiring height data of the driving device 106 relative to the screen and sending the height data to the processor module, the processor module controls the driving device 106 to drive the scraper seat 108 to move up and down according to the height data so as to change the distance between the scraper seat 108 and the screen, so that the pressure of the scraper 112 on the screen during working is in a preset range, and the screen is prevented from deforming due to overlarge pressure and the service life of the screen is prevented from being influenced.
EXAMPLE III
On the basis of any of the above embodiments, the blade assembly 100 further includes: the mounting block 102, the driving device 106 is disposed on the mounting block 102, and the mounting block 102 provides a support for the driving device 106, so as to facilitate the mounting of the doctor blade assembly 100 on the worktable.
Further, as shown in fig. 3, the blade assembly 100 further includes: a guide device 116, the guide device 116 including a guide rail 1162 and a slider 1164, the slider 1164 sliding on the guide rail 1162; the blade mount 108 includes: a back plate, which is arranged opposite to the mounting seat 102; the guide rail 1162 is disposed on the mounting base 102, the sliding member 1164 is disposed on the back plate, and the wiper blade base 108 is connected to the mounting base 102 through the guiding device 116.
The doctor blade assembly 100 includes at least one set of guides 116, which allow the blade seat 108 to engage with the mounting seat 102, and which can support and guide the movement direction of the blade seat 108, so as to ensure that the doctor blade 112 below the blade seat 108 can move in the vertical direction.
Two guides 116 are generally provided to ensure a balanced movement of the mounting block 102 and to ensure that the mounting block 102 moves in the direction of the guide rail 1162, improving the working quality of the wiper blade 112.
Specifically, the guide rail 1162 is a linear guide rail, and the slider 1164 is a slider.
Example four
Further, the blade assembly 100 further includes: the transmission device 120, the transmission device 120 includes a transmission member 1202 and a lifting slider 1204, the lifting slider 1204 can move along the transmission member 1202, and the transmission member 1202 is disposed on the mounting base 102.
The driving device 106 is connected to the mounting base 102 through a transmission 120, so that the driving device 106 can move up and down on the mounting base 102, thereby facilitating the doctor blade 112 to be withdrawn without touching the screen and avoiding the screen from being scratched.
Further, as shown in fig. 5, the blade assembly 100 further includes: and the power supply device 118 is arranged at the end part of the mounting seat 102.
The power supply 118 provides power for the transmission device 120, so that the lifting slider 1204 can move along the transmission member 1202, and further the driving device 106 can move on the mounting base 102, thereby facilitating the withdrawal of the doctor blade 112 without touching the screen, and avoiding the screen from being scratched.
Specifically, the transmission 1202 is a lead screw.
EXAMPLE five
The second aspect of the utility model provides a screen printing device, include: a doctor blade assembly 100; a screen, the doctor blade assembly 100 being disposed on a working surface of the screen; the silk screen is arranged on the workbench; and the substrate is arranged between the workbench and the silk screen and is positioned on the workbench.
The screen printing apparatus of the present invention includes the above wiper blade assembly 100, and therefore has all the advantages of the above wiper blade assembly 100.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A doctor blade assembly, characterized in that it comprises:
the driving device comprises a fixing part and a telescopic part arranged in the fixing part, and part of the telescopic part is exposed out of the fixing part;
the end part of the scraping sheet seat is connected with the telescopic part exposed out of the fixing part;
the scraping blade is arranged on the scraping blade seat and is far away from one end of the telescopic part;
attitude detection means for acquiring a movement amount of the drive means;
and the processor module is in communication connection with the posture detection device and controls the doctor blade to work according to the movement amount of the driving device.
2. The doctor blade assembly as claimed in claim 1, further comprising: a drive unit;
the scraper seat is provided with a mounting hole, the scraper is provided with a through hole, and the driving unit penetrates through the mounting hole and the through hole to connect the scraper seat with the scraper.
3. The doctor blade assembly as claimed in claim 2, wherein the attitude detection means comprises:
the angle sensor is arranged on the part, exposed out of the fixing part, of the telescopic part.
4. The doctor blade assembly as claimed in claim 2, wherein the attitude sensing device further comprises:
the ultrasonic sensor is arranged on the part, exposed out of the fixing part, of the telescopic part.
5. The doctor blade assembly as claimed in any one of claims 1 to 4, further comprising:
the driving device is arranged on the mounting seat.
6. The doctor blade assembly as claimed in claim 5, further comprising:
a guide device including a guide rail and a slider sliding on the guide rail;
the blade seat includes: the back plate is arranged opposite to the mounting seat;
the guide rail is arranged on the mounting seat, the sliding part is arranged on the back plate, and the scraping sheet seat is connected with the mounting seat through the guide device.
7. The doctor blade assembly as claimed in claim 5, further comprising:
the transmission device comprises a transmission piece and a lifting slide block, the lifting slide block can move along the transmission piece, and the transmission piece is arranged on the mounting seat.
8. The doctor blade assembly as claimed in claim 5, further comprising:
and the power supply device is arranged at the end part of the mounting seat.
9. A screen printing apparatus characterized by comprising:
the doctor blade assembly as claimed in any one of claims 1 to 8.
10. The screen printing apparatus according to claim 9, comprising:
a screen, the doctor blade assembly being disposed on a working face of the screen;
the silk screen is arranged on the workbench;
and the substrate is arranged between the workbench and the silk screen and is positioned on the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020339530.XU CN212073281U (en) | 2020-03-18 | 2020-03-18 | Doctor blade assembly and screen printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020339530.XU CN212073281U (en) | 2020-03-18 | 2020-03-18 | Doctor blade assembly and screen printing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212073281U true CN212073281U (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020339530.XU Active CN212073281U (en) | 2020-03-18 | 2020-03-18 | Doctor blade assembly and screen printing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212073281U (en) |
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2020
- 2020-03-18 CN CN202020339530.XU patent/CN212073281U/en active Active
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