CN211641340U - Printing machine and scraping blade angle adjusting device thereof - Google Patents
Printing machine and scraping blade angle adjusting device thereof Download PDFInfo
- Publication number
- CN211641340U CN211641340U CN201922074772.0U CN201922074772U CN211641340U CN 211641340 U CN211641340 U CN 211641340U CN 201922074772 U CN201922074772 U CN 201922074772U CN 211641340 U CN211641340 U CN 211641340U
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- doctor blade
- lifting plate
- blade angle
- plate
- fixed
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- 238000007639 printing Methods 0.000 title claims abstract description 24
- 238000007790 scraping Methods 0.000 title claims abstract description 24
- 230000006698 induction Effects 0.000 claims description 2
- 239000000976 ink Substances 0.000 description 16
- 238000007650 screen-printing Methods 0.000 description 11
- 230000033228 biological regulation Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000010021 flat screen printing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a printing machine and ink scraping blade angle adjusting device thereof, wherein, printing machine ink scraping blade adjusting device includes: the doctor blade mounting seat is movably arranged on the doctor blade guide rod and can rotate back and forth around a straight line which is basically vertical 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; and the lifting plate driving mechanism is used for driving the lifting plate to reciprocate within a preset height range so as to drive the doctor blade mounting seat to reciprocate within a preset angle range around a straight line which is basically vertical to the axial lead of the doctor blade guide rod. In the ink scraping knife angle adjusting device, the lifting plate driving mechanism drives the lifting plate to reciprocate within a preset height range, so that the ink scraping knife is driven to be installed in a reciprocating rotation manner within a preset angle range around a straight line which is basically perpendicular to the axial lead of the ink scraping knife guide rod, the adjustment of the angle of the ink scraping knife is automatically completed, the use is convenient, and the adjusting precision is high.
Description
Technical Field
The application relates to the technical field of printing machine scraper modules, in particular to a printing machine and an angle adjusting device of a doctor blade.
Background
A screen printing machine is a machine for printing by using a screen printing plate, and belongs to a printing machine. A generally known screen printing machine is a flat screen printing machine which prints on a flat substrate using a flat screen printing plate, generally by moving the printing substrate horizontally against a screen printing plate by means of a squeegee.
In traditional scraper module, the regulation of doctor blade angle adopts rotatory hand wheel to drive the rotatory realization of doctor blade mount pad mostly, uses and inconvenient, and the precision is not high.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a printing machine and its angle adjusting device of ink scraping blade, is convenient for to the regulation of ink scraping blade angle, and adjusts the precision height.
According to a first aspect of the present application, there is provided a doctor blade angle adjusting device of a printing press, comprising:
a doctor blade mounting seat for mounting a doctor blade;
the top of the fixing frame is fixed on a doctor blade guide rod of the printing machine, and the doctor blade mounting seat is mounted 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;
and the lifting plate driving mechanism is used for driving the lifting plate to lift within a preset height range so as to drive the doctor blade mounting seat to swing within a preset angle range around the length direction of the doctor blade.
Further, the doctor blade angle adjusting device further includes: the rotating shaft is rotatably arranged at the bottom of the fixing frame, and the axis 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 holder 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 lead 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 fixing plate.
Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism includes: a lifter plate drive motor, a lifter plate lead screw, and a lifter plate lead screw nut; a motor shaft of the lifting plate driving motor is fixed on the fixing plate downwards and is perpendicular to the fixing plate and the lifting plate; the lifting plate 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 screwed in the lifting plate screw rod nut.
Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism further includes: at least one lifter plate guide bar, the one end of lifter plate guide bar is fixed on the fixed plate, and the other end slidable wears to establish on the lifter plate.
Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism further includes: the lifting plate linear bearing is installed on the lifting plate, and the other end of the lifting plate guide rod penetrates through the lifting plate linear bearing in a sliding mode.
Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism further includes: the ink scraping blade angle sensing piece is fixed on the 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 induction area, the lifting driving motor is controlled to stop working.
Further, the doctor blade angle adjusting device, wherein 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 fan-shaped gap is along the included angle between the two side edges of the circumference of the circular doctor blade angle sensing piece is the preset angle.
Further, the doctor blade angle adjusting device, wherein 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 the doctor blade angle adjusting device.
The utility model has the advantages that:
the application provides a printing machine and ink scraping blade angle adjusting device thereof, wherein, printing machine ink scraping blade adjusting device includes: the doctor blade mounting seat is movably arranged on the doctor blade guide rod and can rotate back and forth around a straight line which is basically vertical 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; and the lifting plate driving mechanism is used for driving the lifting plate to reciprocate within a preset height range so as to drive the doctor blade mounting seat to reciprocate within a preset angle range around a straight line which is basically vertical to the axial lead of the doctor blade guide rod. The lifting plate driving mechanism drives the lifting plate to reciprocate within a preset height range, so that the doctor blade is driven to be mounted on a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod and can rotate in a reciprocating mode within a preset angle range, the angle of the doctor blade can be automatically adjusted, the use is convenient, and the adjusting precision is high.
Drawings
FIG. 1 is a schematic structural view of a doctor blade angle adjustment device provided herein;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view showing the positional relationship between the rotary shaft and the doctor blade mounting seat in the present application;
fig. 4 is a schematic structural diagram of another view angle of the doctor blade angle adjusting device provided by the present application.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
The first embodiment,
This embodiment provides a doctor blade angle adjusting device of printing machine, reciprocates at predetermined high within range through lifter plate actuating mechanism drive lifter plate to drive the doctor blade mount pad around doctor blade length direction's straight line and reciprocating rotation at predetermined angle within range, realize the automatically regulated to the 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 a screen printing plate, the doctor blade is in contact with the screen printing plate during ink scraping, and the doctor blade is 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 ink scraping blade adjusts the angle of the ink scraping blade relative to the screen printing plate, so that the pressure of the ink scraping blade on the screen printing plate is controlled, and different screen printing plates or inks can be scraped.
Referring to fig. 1 to 4, the present application provides a doctor blade angle adjusting apparatus of a printing press including: a doctor blade mounting base 10, a holder, a lift plate 20, and a lift plate drive mechanism 30.
The doctor blade mount 10 is used to fixedly mount the doctor blade 11. Specifically, the doctor blade mounting seat 10 is in a rectangular parallelepiped shape, and a doctor blade mounting groove with a downward opening is provided in the length direction of the doctor blade mounting seat 10, and the doctor blade 11 is clamped by 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 holder is fixedly mounted on a doctor guide 70 of the printing press, and the doctor mounting 10 is mounted on the bottom of the holder, and the doctor mounting 10 is swingable about a straight line in the length direction of the doctor.
In some embodiments, the doctor blade mount 10 is pivotally mounted to the doctor blade guide 70 along a long side thereof, for example, the doctor blade mount 10 is hingedly connected to the doctor blade guide 70. More specifically, a rotary shaft 40 is mounted on the doctor blade guide 70, an axis of the rotary shaft 40 is substantially parallel to a longitudinal direction of the doctor blade, and the rotary shaft 40 is rotatably mounted on the doctor blade guide 70 such that the rotary shaft 40 can be rotated in a straight line around its own axis.
Specifically, the mount includes: a fixed plate 50, and two engaging lugs 60. Specifically, the fixing plate 50 is fixed on the doctor blade guide bar 70 and located above the lifting plate 20, the two engaging 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 engaging lugs 60, so that the manner that the rotating shaft 40 is rotatably mounted on the doctor blade guide bar 70 is realized. The doctor blade mount 20 described above is fixed to the rotary shaft 40.
In this embodiment, the connection mode that the rotating shaft 40 is rotatably installed between the two engaging lugs 60 can be realized by arranging bearings on the two engaging 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 body of the doctor blade mounting seat 10. Specifically, install first connecting seat 13 on the seat body of doctor blade mount pad 10 towards lifter plate 20 one side, install second connecting seat 21 in lifter plate 20 towards one side of doctor blade mount pad 10, the pinhole of basically perpendicular to doctor blade guide arm 70 is all seted up to first connecting seat 13 and second connecting seat 21, two connecting seats realize articulated the connection through the pinhole with the coaxial two connecting seats of inserting of round pin axle 14, namely, realize the articulated connected mode between the seat body of lifter plate 20 and doctor blade mount pad 10.
The lifting plate driving mechanism 30 is used for driving the lifting plate 20 to reciprocate within a preset height range, so that the lifting plate 20 which reciprocates and lifts drives the doctor blade mounting seat 10 to reciprocate within a preset angle range around a straight line which is basically vertical to the axial lead of the doctor blade guide rod 70 in a hinged connection mode, and the automatic adjustment of the angle of the doctor blade 11 is realized.
As shown in fig. 1, the lifter plate drive mechanism 30 in the present embodiment includes: a lifter plate drive motor 31, a lifter plate screw 32, a lifter plate screw nut 33, at least one lifter plate guide rod 34, and at least one lifter plate linear bearing 35. The lifter plate drive motor 31 is fixed to the fixed plate 50, and as a pre-selected embodiment, the motor shaft of the lifter plate drive motor 31 is oriented 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 in a downward direction such that the axial center line of the motor shaft of the lifter plate driving motor 31 is 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 a motor shaft of the lifter plate drive 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 guide rod 34 is fixed to the fixing plate 50, and the other end of the lifter guide rod 34 slidably penetrates the lifter plate 20. Specifically, the positions and the numbers of the lifting plate guide rods 34 and the lifting plate linear bearings 35 correspond one to one, the lifting plate linear bearings 35 are installed on the lifting plate 20, and the other ends of the lifting plate guide rods 34 are slidably inserted into the lifting 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 nut 33 converts the rotating motion of the lifting plate screw rod 32 into linear motion, so as to drive the lifting plate 20 to ascend or descend, and the ascending or descending lifting plate 20 drives the doctor blade mounting base 10 to rotate back and forth in a preset angle range around a straight line 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 precise adjustment of the scraper angle, the lifter plate driving mechanism 30 further includes: a doctor blade angle sensing blade 36 and a doctor blade angle sensor 37, the doctor blade angle sensing blade 36 being fixed to the rotary shaft 40 such that the doctor blade angle sensing blade 36 can move synchronously with the rotation of the rotary shaft 40. The doctor blade angle sensor 37 is electrically connected to the elevation plate drive motor 31. As shown in fig. 2, the doctor blade angle sensing blade 36 has a sensing area 361 and a non-sensing area 362, and the sensing area 361 and the non-sensing area 362 are switched with each other when the rotary shaft 40 rotates. When the doctor blade angle sensor 37 senses the sensing area 361, the elevation driving motor 31 is controlled to stop.
In this embodiment, at least one end of the rotary shaft 40 is exposed after passing through the engaging lug 60, the doctor blade angle sensing blade 36 is fixed to the exposed end of the rotary shaft 40, and the doctor blade angle sensor 37 is fixed to the engaging lug 60 of the corresponding section through the sensor fixing seat 371.
Specifically, the doctor blade angle sensing piece 361 is a circular doctor blade angle sensing piece, a sector-shaped notch is formed in the circular doctor blade angle sensing piece, the sector-shaped notch forms the non-sensing area 362, a sensing area 361 is formed by removing the sector-shaped notch, and an included angle between two side edges of the sector-shaped notch along the circumferential direction of the circular doctor blade angle sensing piece is a preset angle for adjusting the doctor blade 11.
In this embodiment, the doctor blade angle sensor 37 is specifically a photoelectric sensor, and the sensing area 361 and the non-sensing area 362 switched along with the synchronous movement of the rotating shaft 40 block infrared light emitted by the photoelectric sensor to realize sensing control. As shown in fig. 2, the sensing area 361 blocks the infrared light of the photo sensor, and the doctor blade angle sensor 37 controls the operation of the lift plate driving motor 31 to stop. When the doctor blade angle sensing piece 36 rotates in the counterclockwise direction, the infrared light emitted from the doctor blade angle sensor 37 passes through the non-sensing area 362 formed as a sector-shaped notch, so that the infrared light is not blocked, and the lift plate driving motor 31 is 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 lift plate driving motor 31 is controlled to stop operating. Then, the lifting plate driving motor 31 reversely outputs torque, and drives the doctor blade angle sensing piece 36 to clockwise rotate through the rotating shaft 40 until the doctor blade angle sensing piece stops working again, and the operation is repeated, so that the angle of the doctor blade 11 is adjusted.
When the doctor blade angle sensor 37 senses two sides of the non-sensing area 362 of the doctor blade angle sensing piece 36, the lifting plate 20 is driven by the lifting plate driving motor 31 to lift in a reciprocating manner, the reciprocating lifting height is the preset height of the lifting plate 20 in a reciprocating manner, and the included angle between the preset height and the two sides of the non-sensing area 362 is in a direct proportion relation, namely, the included angle is larger, the preset height is higher, the angle adjusted by the doctor blade 11 is larger, and the included angle between the two sides of the non-sensing area 362 is set according to the actual production requirements, so that the requirements of different productions are met.
Example II,
The embodiment also provides a printing machine comprising the doctor blade angle adjusting device. Since all functions and features of the doctor blade angle adjusting device have been explained in detail in the above embodiments, they will not be described in detail.
To sum up, among the printing machine and ink scraping blade angle adjusting device thereof that this application provided, wherein, ink scraping blade angle adjusting device passes through lifter plate actuating mechanism drive lifter plate and is predetermineeing the reciprocal lift of high within range to drive the ink scraping blade mount pad around the straight line of basic perpendicular to ink scraping blade guide arm axial lead predetermineeing the reciprocal rotation of angle within range, realize the automatically regulated to the ink scraping blade angle, convenient to use, and the regulation precision is high.
The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. For those skilled in the art to which the present application pertains, a number of simple deductions or substitutions can be made without departing from the inventive concept of the present application.
Claims (10)
1. A doctor blade angle adjustment device for a printing press, comprising:
a doctor blade mounting seat for mounting a doctor blade;
the top of the fixing frame is fixed on a doctor blade guide rod of the printing machine, and the doctor blade mounting seat is mounted 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;
and the lifting plate driving mechanism is used for driving the lifting plate to lift within a preset height range so as to drive the doctor blade mounting seat to swing within a preset angle range around the length direction of the doctor blade.
2. The doctor blade angle adjustment device as claimed in claim 1, further comprising: the rotating shaft is rotatably arranged at the bottom of the fixing frame, and the axis 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.
3. The doctor blade angle adjustment device as claimed in claim 2, wherein said holder 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 lead 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 fixing plate.
4. The doctor blade angle adjustment device of claim 3, wherein said lift plate drive mechanism includes: a lifter plate drive motor, a lifter plate lead screw, and a lifter plate lead screw nut; a motor shaft of the lifting plate driving motor is fixed on the fixing plate downwards and is perpendicular to the fixing plate and the lifting plate; the lifting plate 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 screwed in the lifting plate screw rod nut.
5. The doctor blade angle adjustment device of claim 4, wherein said lift plate drive mechanism further includes: at least one lifter plate guide bar, the one end of lifter plate guide bar is fixed on the fixed plate, and the other end slidable wears to establish on the lifter plate.
6. The doctor blade angle adjustment device of claim 5, wherein said lift plate drive mechanism further includes: the lifting plate linear bearing is installed on the lifting plate, and the other end of the lifting plate guide rod penetrates through the lifting plate linear bearing in a sliding mode.
7. The doctor blade angle adjustment device of claim 6, wherein said lift plate drive mechanism further includes: the ink scraping blade angle sensing piece is fixed on the 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 induction area, the lifting driving motor is controlled to stop working.
8. The doctor blade angle adjustment device of claim 7, wherein said doctor blade angle sensing blade is a circular doctor blade angle sensing blade, said circular doctor blade angle sensing blade having a fan-shaped notch formed therein, said fan-shaped notch forming said non-sensing area; the fan-shaped gap is along the included angle between the two side edges of the circumference of the circular doctor blade angle sensing piece is the preset angle.
9. The doctor blade angle adjustment assembly as claimed in claim 8, wherein at least one end of said rotary shaft is extended out through said engaging lug, said doctor blade angle sensing blade is fixed to said end, and said doctor blade angle sensor is fixed to said engaging lug at said end.
10. A printing press comprising the doctor blade angle adjusting device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074772.0U CN211641340U (en) | 2019-11-26 | 2019-11-26 | Printing machine and scraping blade angle adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074772.0U CN211641340U (en) | 2019-11-26 | 2019-11-26 | Printing machine and scraping blade angle adjusting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211641340U true CN211641340U (en) | 2020-10-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074772.0U Withdrawn - After Issue CN211641340U (en) | 2019-11-26 | 2019-11-26 | Printing machine and scraping blade angle adjusting device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN211641340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834467A (en) * | 2019-11-26 | 2020-02-25 | 陕西博研智能装备有限公司 | Printing machine and scraping blade angle adjusting device thereof |
-
2019
- 2019-11-26 CN CN201922074772.0U patent/CN211641340U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834467A (en) * | 2019-11-26 | 2020-02-25 | 陕西博研智能装备有限公司 | Printing machine and scraping blade angle adjusting device thereof |
| CN110834467B (en) * | 2019-11-26 | 2024-04-09 | 陕西博研智能装备有限公司 | Printing machine and doctor blade angle adjusting device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230410 Address after: 518000 2nd floor, building 3, area a, Xinfu Industrial Park, Chongqing Road, Fuyong Industrial Avenue, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN BOYAN COMMERCIAL MACHINERY CO.,LTD. Address before: No. 1-1, Building 1, West Section of Yongcheng Avenue, Fengxiang County, Baoji City, Shaanxi Province, 721000 Patentee before: Shaanxi Boyan Intelligent Equipment Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201009 Effective date of abandoning: 20240409 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201009 Effective date of abandoning: 20240409 |