CN110834467B - Printing machine and doctor blade angle adjusting device thereof - Google Patents
Printing machine and doctor blade angle adjusting device thereof Download PDFInfo
- Publication number
- CN110834467B CN110834467B CN201911173061.7A CN201911173061A CN110834467B CN 110834467 B CN110834467 B CN 110834467B CN 201911173061 A CN201911173061 A CN 201911173061A CN 110834467 B CN110834467 B CN 110834467B
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- doctor blade
- lifting plate
- blade angle
- fixed
- plate
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- 238000007639 printing Methods 0.000 title claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 description 7
- 238000007790 scraping Methods 0.000 description 5
- 239000000976 ink Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
Abstract
The utility model discloses a printer and a doctor blade angle adjusting device thereof, wherein the doctor blade adjusting device of the printer comprises: the doctor blade mounting seat is used for mounting a doctor blade, is movably mounted on the doctor blade guide rod and can rotate in a reciprocating manner around a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod; the lifting plate is hinged with the seat body of the doctor blade mounting seat; the lifting plate driving mechanism is used for driving the lifting plate to lift in a reciprocating manner in a preset height range so as to drive the doctor blade mounting seat to rotate in a reciprocating manner in a preset angle range around a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod. In the doctor blade angle adjusting device, the lifting plate driving mechanism drives the lifting plate to lift in a reciprocating manner in a preset height range, so that the doctor blade is driven to rotate in a reciprocating manner in a preset angle range around a straight line basically perpendicular to the axial lead of the doctor blade guide rod, the angle of the doctor blade is automatically adjusted, the use is convenient, and the adjusting precision is high.
Description
Technical Field
The application relates to the technical field of scraper modules of printing machines, in particular to an angle adjusting device of a printing machine and a scraping knife.
Background
A screen printer is a machine that performs printing with a screen plate, and belongs to one type of printer. A screen printer, which is generally known as a flat screen printer, prints on a flat substrate using a flat screen plate, and typically prints on the substrate by pressing a squeegee against the screen plate to move horizontally.
In the traditional scraper module, the adjustment of the angle of the scraping knife is mostly realized by driving the scraping knife installation seat to rotate by adopting a rotating hand wheel, and the use are inconvenient, and the precision is not high.
Disclosure of Invention
The utility model provides a printing machine and its angle adjusting device of doctor blade, the regulation to the doctor blade angle of being convenient for, and the regulation precision is high.
According to a first aspect of the present application, there is provided a doctor blade angle adjustment device for a printing press, comprising:
a doctor blade mount for mounting a doctor blade;
the top of the fixing frame is fixed on a doctor blade guide rod of the printer, and the doctor blade mounting seat is arranged at the bottom of the fixing frame and can swing around the length direction of the doctor blade;
the lifting plate is hinged with the seat body of the doctor blade mounting seat;
the lifting plate driving mechanism is used for driving the lifting plate to lift in a preset height range so as to drive the doctor blade mounting seat to swing around the length direction of the doctor blade in a preset angle range.
Further, the doctor blade angle adjusting device further includes: the rotating shaft is rotatably arranged at the bottom of the fixing frame, and the axial line of the rotating shaft is basically parallel to the length direction of the doctor blade; the doctor blade mounting seat is fixed on the rotating shaft.
Further, the doctor blade angle adjusting device, wherein the fixing frame comprises: the fixing plate is fixed on the doctor blade guide rod, and the two connecting lugs are respectively fixed at two ends of the fixing plate along the axial line direction of the rotating shaft; the rotating shaft is rotatably arranged between the two connecting lugs; the lifting plate driving mechanism is fixed on the fixed plate.
Further, the doctor blade angle adjusting device, wherein the lifter plate driving mechanism includes: the lifting plate driving motor, the lifting plate lead screw and the lifting plate lead screw nut; the motor shaft of the lifting plate driving motor is downwards fixed on the fixed plate and is vertical to the fixed plate and the lifting plate; the lifting plate lead screw nut is fixed on the lifting plate; one end of the lifting plate screw rod is fixed on a motor shaft of the lifting plate driving motor, and the other end of the lifting plate screw rod is in threaded connection with the lifting plate screw rod nut.
Further, the doctor blade angle adjusting device, wherein the lifter plate driving mechanism further includes: and one end of the lifting plate guide rod is fixed on the fixed plate, and the other end of the lifting plate guide rod is slidably arranged on the lifting plate in a penetrating way.
Further, the doctor blade angle adjusting device, wherein the lifter plate driving mechanism further includes: the lifting plate linear bearing is arranged on the lifting plate, and the other end of the lifting plate guide rod is slidably arranged in the lifting plate linear bearing in a penetrating mode.
Further, the doctor blade angle adjusting device, wherein the lifter plate driving mechanism further includes: the device comprises a doctor blade angle sensing piece and a doctor blade angle sensor, wherein the doctor blade angle sensing piece is fixed on a rotating shaft and can synchronously move along with the rotating shaft; the doctor blade angle sensing piece is provided with a sensing area and a non-sensing area, and the sensing area and the non-sensing area are mutually switched when the rotating shaft rotates; the doctor blade angle sensor is electrically connected with the lifting plate driving motor, and when the doctor blade angle sensor senses the sensing area, the lifting driving motor is controlled to stop working.
Further, in the doctor blade angle adjusting device, the doctor blade angle sensing piece is a circular doctor blade angle sensing piece, a fan-shaped notch is formed on the circular doctor blade angle sensing piece, and the fan-shaped notch forms the non-sensing area; the included angle between the two circumferential side edges of the fan-shaped notch along the circular doctor blade angle sensing piece is the preset angle.
Further, in the doctor blade angle adjusting device, at least one end of the rotating shaft leaks out after passing through the connecting lug, the doctor blade angle sensing piece is fixed at the end, and the doctor blade angle sensor is fixed on the connecting lug at the end.
According to a second aspect of the present application, there is also provided a printing press comprising said doctor blade angle adjustment device.
The beneficial effects of the utility model are as follows:
the application provides a printing machine and doctor blade angle adjusting device thereof, wherein, printing machine doctor blade adjusting device includes: the doctor blade mounting seat is used for mounting a doctor blade, is movably mounted on the doctor blade guide rod and can rotate in a reciprocating manner around a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod; the lifting plate is hinged with the seat body of the doctor blade mounting seat; the lifting plate driving mechanism is used for driving the lifting plate to lift in a reciprocating manner in a preset height range so as to drive the doctor blade mounting seat to rotate in a reciprocating manner in a preset angle range around a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod. The lifting plate driving mechanism drives the lifting plate to lift in a reciprocating manner within a preset height range, so that the doctor blade is driven to rotate in a reciprocating manner within a preset angle range around a straight line basically perpendicular to the axial lead of the guide rod of the doctor blade, the angle of the doctor blade is automatically adjusted, the use is convenient, and the adjustment precision is high.
Drawings
FIG. 1 is a schematic view of a doctor blade angle adjustment device according to the present disclosure;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the positional relationship between a rotary shaft and a doctor blade mount in the present application;
fig. 4 is a schematic structural view of another view angle of the doctor blade angle adjusting device provided in the present application.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments.
Embodiment 1,
The embodiment provides a doctor blade angle adjusting device of printing machine, drives the lifter plate through lifter plate actuating mechanism and reciprocates in predetermineeing the altitude range to drive doctor blade mount pad and reciprocate in predetermineeing the angle range around doctor blade length direction's straight line, realize the automatically regulated to doctor blade angle, convenient to use, and the regulation precision is high.
In this embodiment, the printing machine is specifically a screen printing machine, the doctor blade is used for scraping the screen printing plate, the doctor blade is in contact with the screen printing plate during ink scraping, and the doctor blade is far away from the screen printing plate during ink returning. The doctor blade guide rod is a mechanism for driving the doctor blade to ascend or descend. The angle adjusting device of the doctor blade adjusts the angle of the doctor blade relative to the screen printing plate, so that the pressure of the doctor blade pressing against the screen printing plate is controlled to scrape different screen printing plates or printing inks.
Referring to fig. 1 to 4, a doctor blade angle adjusting apparatus of a printing press provided in the present application includes: a doctor blade mount 10, a mount, a lifter plate 20, and a lifter plate drive mechanism 30.
The doctor blade mounting 10 is used for fixedly mounting a doctor blade 11. Specifically, the doctor blade mounting seat 10 is in a rectangular parallelepiped shape, a doctor blade mounting groove with an opening facing downward is provided in the length direction of the doctor blade mounting seat 10, the doctor blade 11 is clamped by the two doctor blade clamping plates 12, and the two doctor blade clamping plates 12 are fixed in the doctor blade mounting groove, so that the doctor blade 11 is fixedly mounted on the doctor blade mounting seat 10.
The top of the fixing frame is fixedly installed on a doctor blade guide rod 70 of the printer, the doctor blade installation seat 10 is installed at the bottom of the fixing frame, and the doctor blade installation seat 10 can linearly swing around the length direction of the doctor blade.
In some embodiments, the long side of the doctor blade mount 10 is pivotally mounted to the doctor blade guide 70, for example, with the doctor blade mount 10 being hingedly connected to the doctor blade guide 70. More specifically, a rotation shaft 40 is mounted on the doctor blade guide 70, the axis of the rotation shaft 40 is substantially parallel to the length direction of the doctor blade, and the rotation shaft 40 is rotatably mounted on the doctor blade guide 70 such that the rotation shaft 40 can rotate about a straight line in which the axis thereof is located.
Specifically, the mount includes: a fixed plate 50, and two connecting lugs 60. Specifically, the fixing plate 50 is fixed on the doctor blade guide 70 and above the lifting plate 20, two connecting lugs 60 are respectively fixed at two ends of the fixing plate 50 along the axial line direction of the rotating shaft 40, and the rotating shaft 40 is rotatably mounted between the two connecting lugs 60, so as to realize the rotatable mounting of the rotating shaft 40 on the doctor blade guide 70. The doctor blade mount 10 is secured to the rotating shaft 40.
In this embodiment, the rotatable shaft 40 is rotatably mounted between the two connection lugs 60, and the rotatable shaft may be implemented by providing bearings on the two connection lugs 60. Of course, in other embodiments, other connection methods or other components may be used to achieve the rotational connection.
The lifting plate 20 is hinged with the base body of the doctor blade mounting base 10. Specifically, the first connecting seat 13 is installed on the seat body on one side of the doctor blade mounting seat 10 facing the lifting plate 20, the second connecting seat 21 is installed on one side of the lifting plate 20 facing the doctor blade mounting seat 10, the first connecting seat 13 and the second connecting seat 21 are both provided with pin holes basically perpendicular to the doctor blade guide rod 70, and the two connecting seats are hinged by coaxially inserting the pin shaft 14 into the pin holes of the two connecting seats, namely, the hinged connection mode between the lifting plate 20 and the seat body of the doctor blade mounting seat 10 is realized.
The lifting plate driving mechanism 30 is used for driving the lifting plate 20 to lift reciprocally in a preset height range, so that the lifting plate 20 which lifts reciprocally drives the doctor blade mounting seat 10 to rotate reciprocally in a preset angle range around a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod 70 in a hinged connection mode, and automatic adjustment of the angle of the doctor blade 11 is realized.
As shown in fig. 1, the lifter plate driving mechanism 30 in the present embodiment includes: the elevator system comprises an elevator plate drive motor 31, an elevator plate lead screw 32, an elevator plate lead screw nut 33, at least one elevator plate guide rod 34, and at least one elevator plate linear bearing 35. The lifter plate drive motor 31 is mounted to the fixed plate 50 such that, as a preselected embodiment, the motor shaft of the lifter plate drive motor 31 is oriented and perpendicular to the lifter plate 20. More preferably, the motor shaft of the lifter plate driving motor 31 is fixed to the fixing plate 50 downward such that the shaft axes of the motor shafts of the lifter plate driving motor 31 are perpendicular to both the fixing plate 50 and the lifter plate 20. The lifter plate screw nut 33 is fixed to the lifter plate 20, one end of the lifter plate screw 32 is fixed to the motor shaft of the lifter plate driving motor 31, and the other end of the lifter plate screw 32 is screwed into the lifter plate screw nut 33. One end of the lifter plate guide bar 34 is fixed to the fixed plate 50, and the other end of the lifter plate guide bar 34 is slidably inserted through the lifter plate 20. Specifically, the positions and the number of the lifter plate guide rods 34 and the lifter plate linear bearings 35 are in one-to-one correspondence, the lifter plate linear bearings 35 are mounted on the lifter plate 20, and the other ends of the lifter plate guide rods 34 slidably penetrate through the lifter plate linear bearings 35.
The lifting plate driving motor 31 outputs torque to drive the lifting plate screw rod 32 to rotate, the lifting plate screw rod nut 33 converts the rotation motion of the lifting plate screw rod 32 into linear motion, thereby driving the lifting plate 20 to ascend or descend, and the ascending or descending lifting plate 20 drives the doctor blade mounting seat 10 to reciprocate in a preset angle range around a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod 70 in a hinged connection mode, namely, the angle adjustment of the doctor blade 11 is realized.
To achieve accurate adjustment of the doctor angle, the present lifter plate drive mechanism 30 further includes: a doctor blade angle sensing piece 36 and a doctor blade angle sensor 37, the doctor blade angle sensing piece 36 being fixed to the rotation shaft 40 such that the doctor blade angle sensing piece 36 can move synchronously with the rotation of the rotation shaft 40. The doctor blade angle sensor 37 is electrically connected to the lifter plate driving motor 31. As shown in fig. 2, the doctor blade angle sensing piece 36 has a sensing region 361 and a non-sensing region 362, and the sensing region 361 and the non-sensing region 362 are switched to each other when the rotation shaft 40 rotates. When the doctor blade angle sensor 37 senses the sensing area 361, the elevation driving motor 31 is controlled to stop operating.
In this embodiment, at least one end of the rotating shaft 40 leaks out after passing through the connecting lug 60, the doctor blade angle sensor piece 36 is fixed at the leaking end of the rotating shaft 40, and the doctor blade angle sensor 37 is fixed on the connecting lug 60 of the section through the sensor fixing seat 371.
Specifically, the doctor blade angle sensing piece 361 is a circular doctor blade angle sensing piece, a fan-shaped notch is formed on the circular doctor blade angle sensing piece, the fan-shaped notch forms the non-sensing area 362, the sensing area 361 is formed by removing the part of the fan-shaped notch, and the included angle between two sides of the fan-shaped notch along the circumferential direction of the circular doctor blade angle sensing piece is the preset angle for adjusting the doctor blade 11.
In the present embodiment, the doctor blade angle sensor 37 is specifically a photoelectric sensor, and the sensing area 361 and the non-sensing area 362 switched with the synchronous movement of the rotation shaft 40 block the infrared light emitted from the photoelectric sensor to realize sensing control. As shown in fig. 2, the sensing area 361 is shown to block infrared light of the photoelectric sensor, and at this time, the doctor blade angle sensor 37 controls the lifter plate driving motor 31 to stop operating. When the doctor blade angle sensing piece 36 rotates in the counterclockwise direction, the infrared light emitted by the doctor blade angle sensor 37 passes through the non-sensing area 362 formed as a fan-shaped notch, so that the infrared light is not blocked, and the lifter plate driving motor 31 is further controlled to continue to operate until the sensing area 361 of the doctor blade angle sensing piece 36 rotating in the counterclockwise direction blocks the infrared light, that is, the lifter plate driving motor 31 is controlled to stop operating. Then, the lifting plate driving motor 31 reversely outputs torque, and the rotating shaft 40 drives the doctor blade angle sensing piece 36 to rotate clockwise until the operation is stopped again, so that the doctor blade 11 angle is adjusted in a reciprocating manner.
When the doctor blade angle sensor 37 senses the two sides of the non-sensing area 362 of the doctor blade angle sensing piece 36, the lifting plate driving motor 31 reciprocally drives the lifting plate 20 to lift, and the reciprocally lifting height is the preset height of the reciprocally lifting plate 20, and the preset height is in a proportional relationship with the included angle between the two sides of the non-sensing area 362, that is, the larger the included angle is, the higher the preset height is, and the larger the angle of adjustment of the doctor blade 11 is, the size of the included angle between the two sides of the non-sensing area 362 is set according to the actual production requirement, so as to meet the different production requirements.
Embodiment II,
The embodiment also provides a printer comprising the doctor blade angle adjusting device according to the first embodiment. Since all functions and features of the doctor blade angle adjustment device have been described in detail in the above embodiments, they are not described in detail herein.
In summary, in the printer and the doctor blade angle adjusting device thereof provided by the application, the doctor blade angle adjusting device drives the lifting plate to lift reciprocally in a preset height range through the lifting plate driving mechanism, so as to drive the doctor blade mounting seat to rotate reciprocally in the preset angle range around a straight line basically perpendicular to the axis of the doctor blade guide rod, thereby realizing automatic adjustment of the doctor blade angle, and the device is convenient to use and high in adjusting precision.
The foregoing is a further detailed description of the present application in connection with the specific embodiments, and it is not intended that the practice of the present application be limited to such descriptions. It will be apparent to those skilled in the art from this disclosure that several simple deductions or substitutions can be made without departing from the inventive concepts of the present application.
Claims (8)
1. A doctor blade angle adjustment device for a printing press, comprising:
a doctor blade mount for mounting a doctor blade;
the top of the fixing frame is fixed on a doctor blade guide rod of the printer, and the doctor blade mounting seat is arranged at the bottom of the fixing frame and can swing around the length direction of the doctor blade;
the lifting plate is hinged with the seat body of the doctor blade mounting seat;
the lifting plate driving mechanism is used for driving the lifting plate to lift in a preset height range so as to drive the doctor blade mounting seat to swing around the length direction of the doctor blade in a preset angle range;
further comprises: the rotating shaft is rotatably arranged at the bottom of the fixing frame, and the axial line of the rotating shaft is basically parallel to the length direction of the doctor blade; the doctor blade mounting seat is fixed on the rotating shaft;
the lifter plate driving mechanism includes: a lifting plate driving motor, a lifting plate screw rod and a lifting plate screw rod nut; the lifting plate driving motor is fixed on the fixing frame, and the lifting plate lead screw nut is fixed on the lifting plate; one end of the lifting plate screw rod is fixed on a motor shaft of the lifting plate driving motor, and the other end of the lifting plate screw rod is in threaded connection with the lifting plate screw rod nut;
the lifter plate driving mechanism further includes: the device comprises a doctor blade angle sensing piece and a doctor blade angle sensor, wherein the doctor blade angle sensing piece is fixed on a rotating shaft and can synchronously move along with the rotating shaft; the doctor blade angle sensing piece is provided with a sensing area and a non-sensing area, and the sensing area and the non-sensing area are mutually switched when the rotating shaft rotates; the doctor blade angle sensor is electrically connected with the lifting plate driving motor, and when the doctor blade angle sensor senses the sensing area, the lifting plate driving motor is controlled to stop working.
2. The doctor blade angle adjustment device of claim 1, wherein the mount includes: the fixing plate is fixed on the doctor blade guide rod, and the two connecting lugs are respectively fixed at two ends of the fixing plate along the axial line direction of the rotating shaft; the rotating shaft is rotatably arranged between the two connecting lugs; the lifting plate driving mechanism is fixed on the fixed plate.
3. The doctor blade angle adjustment device of claim 2 wherein the motor shaft of the lifter plate drive motor is fixed to the fixed plate facing downward and perpendicular to the fixed plate and lifter plate.
4. The doctor blade angle adjustment device of claim 3 wherein the lifter plate drive mechanism further comprises: and one end of the lifting plate guide rod is fixed on the fixed plate, and the other end of the lifting plate guide rod is slidably arranged on the lifting plate in a penetrating way.
5. The doctor blade angle adjustment device of claim 4, wherein the lifter plate drive mechanism further comprises: the lifting plate linear bearing is arranged on the lifting plate, and the other end of the lifting plate guide rod is slidably arranged in the lifting plate linear bearing in a penetrating mode.
6. The doctor blade angle adjustment apparatus as claimed in claim 5, wherein the doctor blade angle sensing blade is a circular doctor blade angle sensing blade having a scalloped notch formed therein, the scalloped notch forming the non-sensing region; the included angle between the two circumferential side edges of the fan-shaped notch along the circular doctor blade angle sensing piece is the preset angle.
7. The doctor blade angle adjustment device of claim 2 wherein at least one end of the rotating shaft extends past the attachment tab, the doctor blade angle sensing tab being secured to the end, and the doctor blade angle sensor being secured to the attachment tab at the end.
8. A printing press comprising a doctor blade angle adjustment device according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173061.7A CN110834467B (en) | 2019-11-26 | 2019-11-26 | Printing machine and doctor blade angle adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173061.7A CN110834467B (en) | 2019-11-26 | 2019-11-26 | Printing machine and doctor blade angle adjusting device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110834467A CN110834467A (en) | 2020-02-25 |
| CN110834467B true CN110834467B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911173061.7A Active CN110834467B (en) | 2019-11-26 | 2019-11-26 | Printing machine and doctor blade angle adjusting device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110834467B (en) |
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| CN2925879Y (en) * | 2006-06-13 | 2007-07-25 | 郑永坚 | Mechanism against ink leakage of ink scraper for screen printer |
| CN204020212U (en) * | 2014-08-28 | 2014-12-17 | 深圳市震巽网印机械有限公司 | A kind of novel ink drip-proof device for scraping blade of screen printing machine |
| CN104943345A (en) * | 2015-06-25 | 2015-09-30 | 广东鸿诚有机硅科技有限公司 | Automatic scraper rotating mechanism of walking board silicone screen printing machine |
| CN205767979U (en) * | 2016-06-16 | 2016-12-07 | 浙江美奇可塑业有限公司 | A kind of screen process press |
| CN207617289U (en) * | 2017-11-15 | 2018-07-17 | 深圳市领创精密机械有限公司 | Anti-drip mechanism and screen process press |
| CN207772587U (en) * | 2018-01-24 | 2018-08-28 | 蓝思科技股份有限公司 | A kind of printing equipment of flat surface screen printing machine |
| CN211641340U (en) * | 2019-11-26 | 2020-10-09 | 陕西博研智能装备有限公司 | Printing machine and scraping blade angle adjusting device thereof |
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2019
- 2019-11-26 CN CN201911173061.7A patent/CN110834467B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700731A1 (en) * | 1993-01-22 | 1994-07-29 | Dubuit Mach | Wiping head, especially for a silk-screen printing machine |
| JP2003048304A (en) * | 2001-08-08 | 2003-02-18 | Matsushita Electric Ind Co Ltd | Screen printing machine and printing method |
| CN2925879Y (en) * | 2006-06-13 | 2007-07-25 | 郑永坚 | Mechanism against ink leakage of ink scraper for screen printer |
| CN204020212U (en) * | 2014-08-28 | 2014-12-17 | 深圳市震巽网印机械有限公司 | A kind of novel ink drip-proof device for scraping blade of screen printing machine |
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Also Published As
| Publication number | Publication date |
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| CN110834467A (en) | 2020-02-25 |
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