CN114701268B - Two-stage adjusting high-precision pinch roller adjusting structure and wide digital printer - Google Patents
Two-stage adjusting high-precision pinch roller adjusting structure and wide digital printer Download PDFInfo
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- CN114701268B CN114701268B CN202210413819.5A CN202210413819A CN114701268B CN 114701268 B CN114701268 B CN 114701268B CN 202210413819 A CN202210413819 A CN 202210413819A CN 114701268 B CN114701268 B CN 114701268B
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- pinch roller
- adjusting
- eccentric
- screw hole
- bolt
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- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 43
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000306 component Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0015—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/02—Platens
- B41J11/04—Roller platens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/20—Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment
-
- 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
Abstract
The invention provides a two-stage adjusting high-precision pinch roller adjusting structure which comprises a frame, a pinch roller swing rod, a first adjusting mechanism and a second adjusting mechanism, wherein the pinch roller is rotatably arranged at the front end of the pinch roller swing rod, and the middle part of the pinch roller swing rod is hinged on a bracket; the first adjusting mechanism is an eccentric rotating mechanism which is arranged on the frame above the rear end of the pinch roller swing rod, and the eccentric part of the eccentric rotating mechanism can be abutted against the upper end of the pinch roller swing rod in the rotating process; the second adjusting mechanism is an adjusting bolt, a screw hole assembly of the adjusting bolt is arranged on the frame, a bolt assembly of the adjusting bolt is screwed into a screw hole of the screw hole assembly, a feeding end of the bolt assembly faces to the upper end of the pinch roller swing rod, and the adjusting bolt is located behind the eccentric rotating mechanism. The two-stage adjusting high-precision pinch roller adjusting structure has the advantages of high pressure adjusting precision and high two-stage adjusting flexibility.
Description
Technical Field
The invention relates to the technical field of digital printing, in particular to a two-stage adjusting high-precision pinch roller adjusting structure and a wide digital printer.
Background
The wide-width digital printer is a common printer in the current commercial application and is mainly responsible for printing large advertising pages, advertising posters, banners and other products.
The printing medium of the wide digital printer is various, along with the gradual deepening of the environmental protection concept of people, various new materials are layered, the thickness of the printing medium is varied, and therefore, higher requirements are put forward on printing equipment.
In the process of wide digital printing, the core component affecting the printing precision is a series of structures surrounding a printing platform, such as a spray head, the platform itself, a travelling mechanism of a trolley, a pressing wheel, a roller system and the like, wherein the pressing wheel plays a role in pressing a printing medium on a roller surface entering the front end of the platform, and is composed of a row of pressing wheels, and the development condition is approximately as follows:
at the initial stage, the pressing wheel presses and flattens the printing medium in a mode of pressing down one roller, the width of the printing medium can be changed along with equipment upgrading, and the adoption of the pressing roller with the same width is unreasonable; therefore, a structure is designed that a row of pressing wheels are arranged on an operating rod, and the pressing wheels are pressed down by rotating the operating rod, so that only the pressing wheels contacted with the printing medium act; on the basis, the person skilled in the art further upgrades the product so that each pinch roller can be lifted and pressed independently, thereby realizing higher flexibility.
However, even with the latest individually adjustable pinch roller structure, in the face of the current increasingly thinner printing medium, the pressing pressure needs to be precisely controlled, and each individual pinch roller can be designed to be uniform, and production of uniform specifications can be ensured even though the production can be completed during design, but the refinement requirement of the pressing pressure causes individual weight differences in the production process, assembly differences in the assembly process, elasticity of each spring and the like, and extremely changes can occur after the actual installation is completed.
And even if the manufacturer adjusts the pinch rollers to a consistent state, the state of the pinch rollers can be changed again after jolt and assembly by remote transportation; in the long-term use process, the state of each pinch roller can be changed along with the vibration of the equipment.
Over time, the amount of pressing force of each pressing wheel changes to different degrees, and the adjustment difficulty is high, which becomes a key factor affecting the printing quality.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a two-stage adjusting high-precision pinch roller adjusting structure with high pressure adjusting precision and high two-stage adjusting flexibility and a wide digital printer.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the two-stage high-precision adjusting structure comprises a frame, a pressing wheel swinging rod, a first adjusting mechanism and a second adjusting mechanism, wherein the pressing wheel is rotatably arranged at the front end of the pressing wheel swinging rod, and the middle part of the pressing wheel swinging rod is hinged on the frame;
the first adjusting mechanism is an eccentric rotating mechanism which is arranged on the frame above the rear end of the pinch roller swing rod, and the eccentric part of the eccentric rotating mechanism can be abutted against the upper end of the pinch roller swing rod in the rotating process;
the second adjusting mechanism is an adjusting bolt, a screw hole assembly of the adjusting bolt is arranged on the frame, a bolt assembly of the adjusting bolt is screwed into a screw hole of the screw hole assembly, a feeding end of the bolt assembly faces to the upper end of the pinch roller swing rod, and the adjusting bolt is located behind the eccentric rotating mechanism.
The eccentric rotating mechanism comprises an annular rotating main body and an eccentric pressing plate arranged at the eccentric position of the rotating main body, the acting surface of the eccentric pressing plate is arc-shaped, the acting surface of the eccentric pressing plate is an adjusting area for abutting against the pressing wheel swinging rod, and along with the rotation of the eccentric pressing plate, the pressing wheel swinging rod swings within a certain angle range.
The structure for installing the first adjusting mechanism on the rack is configured as a long rod with a polygonal cross section, and two ends of the long rod are rotatably assembled at two ends of the rack.
The driving hand wheel for controlling the rotation of the long rod and controlling the rotation stroke and positioning is arranged on the rack.
The screw hole assembly is formed in the fixing rod, the screw hole is inclined from the upper rear side to the lower front side, and the adjusting bolt is screwed into the screw hole.
Basically, install first pressure sensor on the pivot of pinch roller or the wheel face, first pressure sensor connects external digital display device, digital display device installs in the frame.
A wide digital printer comprises a two-stage adjusting high-precision pinch roller adjusting structure, a printing platform and a flattening roller, wherein a plurality of pinch rollers are respectively and independently pressed on the flattening roller, and each pinch roller is provided with a corresponding pinch roller swing rod, a first adjusting mechanism and a second adjusting mechanism so that the pressure of each pinch roller can be respectively adjusted.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, in particular, the invention modifies the regulating mechanism of the pinch roller on the basis of the traditional pinch roller structure, namely, the first regulating mechanism is designed as an eccentric rotating mechanism, the pressing degree of the pinch roller is regulated by regulating the eccentric rotating angle, and the first-stage regulation is realized, although the regulation mode is changed to improve the regulation precision to a certain extent, the production cost cannot be increased limitlessly to improve the assembly and production precision due to the existence of a series of assembly defects such as assembly, production and the like, so the second regulating mechanism is designed, the second regulating mechanism is used for carrying out fine adjustment on the basis of the regulation of the first regulating mechanism, the integral high-precision pressure control is realized under the combination of two-stage regulation, and finally the pressure of each pinch roller is regulated to be uniform.
Furthermore, the action surface of the first adjusting mechanism is designed to be arc-shaped, the adjusting process shows stepless adjustment, and the change of the adjusting pressure is smooth and free from abrupt change, so that the control is easier.
Further, the second adjusting mechanism is adjusted in a bolt mode, the displacement precision in the screwing advancing process is higher, and the pressure can be adjusted to a required value rapidly by being matched with the first adjusting mechanism.
Further, the pressure sensors are arranged and respectively arranged on the pressing wheel, the first adjusting mechanism and the second adjusting mechanism, so that the pressure state can be intuitively perceived, the pressure adjusting degree of the first adjusting mechanism and the pressure adjusting degree of the second adjusting mechanism are distributed, and quick adjustment is realized.
Drawings
FIG. 1 is a schematic diagram of a two-stage adjustment high-precision pinch roller adjustment structure in accordance with the present invention.
FIG. 2 is a schematic diagram of a portion of a two-stage adjustment high-precision puck adjustment structure according to the present invention.
FIG. 3 is a schematic diagram of a portion of a two-stage adjustment high-precision puck adjustment structure according to the present invention.
In the figure: 1. a frame; 2. a pinch roller; 3. pinch roller swing rod; 4. a first adjustment mechanism; 5. a second adjustment mechanism; 6. screw hole components; 7. a bolt assembly; 8. a rotating body; 9. an eccentric pressing plate; 10. a long rod; 11. a fixed rod; 12. flattening rollers.
Detailed Description
The technical scheme of the invention is further described in detail through the following specific embodiments.
Example 1
As shown in fig. 1-3, the two-stage adjusting high-precision pinch roller adjusting structure comprises a frame 1, a pinch roller 2, a pinch roller swinging rod 3, a first adjusting mechanism 4 and a second adjusting mechanism 5, wherein the pinch roller 2 is rotatably arranged at the front end of the pinch roller swinging rod 3, and the middle part of the pinch roller swinging rod 3 is hinged on the frame 1.
The first adjusting mechanism 4 is an eccentric rotating mechanism, the eccentric rotating mechanism is arranged on the frame 1 above the rear end of the pinch roller swing rod 3, the eccentricity of the eccentric rotating mechanism is positioned at the upper end of the pinch roller swing rod 3 in the rotating process and can be abutted against the eccentric rotating mechanism, the eccentric rotating mechanism 4 comprises an annular rotating main body 8 and an eccentric pressing plate 9 arranged at the eccentric position of the rotating main body, the acting surface of the eccentric pressing plate is arc-shaped, the acting surface of the eccentric pressing plate is an adjusting area abutted against the pinch roller swing rod 3, and the pinch roller swing rod 3 swings within a certain angle range along with the rotation of the eccentric pressing plate 9.
The structure of the frame 1 for installing the first adjusting mechanism 4 is configured as a long rod 10 with a polygonal cross section, two ends of the long rod 10 are rotatably assembled at two ends of the frame, and a driving hand wheel capable of controlling the rotation of the long rod and controlling the rotation stroke and positioning is configured.
The second adjusting mechanism 5 is an adjusting bolt, a screw hole assembly 6 of the adjusting bolt is arranged on the frame 1, a bolt assembly 7 of the adjusting bolt is screwed in a screw hole of the screw hole assembly 6, a feeding end of the bolt assembly faces to the upper end of the pinch roller swing rod 3, and the adjusting bolt is positioned behind the eccentric rotating mechanism.
The structure of the screw hole component 6 used for installing the second adjusting mechanism 5 on the frame 1 is configured as a fixed rod 11, the screw hole component is a screw hole formed on the fixed rod 11, the screw hole inclines from the upper rear side to the lower front side, the bolt component is screwed in the screw hole, and the front end of the bolt component 7 is a spherical surface.
In this embodiment, this pinch roller adjusting structure can be applied to most broad digital printer, is located the exhibition flat roll top before the print platform, cooperates the exhibition flat roll to use, and a plurality of pinch rollers are independent respectively pressed on the exhibition flat roll, and every pinch roller all is furnished with corresponding pinch roller pendulum rod, first adjustment mechanism and second adjustment mechanism so that the pressure of every pinch roller can be adjusted respectively.
When specifically adjusting, firstly, the pinch roller swing rod rotates to extrude a printing medium between the pinch roller and the flattening roller, then the first adjusting mechanism is adjusted to control the rotation angle of the first adjusting mechanism to be a uniform angle, the acting surface of the eccentric pressing plate is pressed on the pinch roller swing rod, then the state of the pinch roller is observed to see whether the second adjusting mechanism needs to be adjusted, if so, the feeding amount of the bolt assembly on the second adjusting mechanism is screwed, and the compression degree of the second adjusting mechanism is judged by observing the state of the pinch roller.
The problem that the precision is difficult to control due to the problems of assembly and production precision and the problem of transferring in the traditional structure is solved by means of two-stage adjustment, the contradiction between the precision and the control cost is improved, a relatively high precision control effect is achieved in a reasonable cost control interval, and the device is simple and convenient to operate and does not need professional technical personnel to execute.
Example 2
The main difference between this embodiment and embodiment 1 is that:
the rotating shaft or the wheel surface of the pinch roller is provided with a first pressure sensor, the first pressure sensor is connected with external digital display equipment, and the digital display equipment is arranged on the frame.
Through setting up pressure sensor and digital display equipment, make things convenient for the staff audio-visual to adjust pressure, the regulation degree of difficulty further reduces, has reduced the requirement to operating personnel's work experience.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (4)
1. The utility model provides a high accuracy pinch roller adjusts structure is adjusted to two-stage which characterized in that: the device comprises a frame, a pressing wheel swinging rod, a first adjusting mechanism and a second adjusting mechanism, wherein the pressing wheel is rotatably arranged at the front end of the pressing wheel swinging rod, and the middle part of the pressing wheel swinging rod is hinged on the frame;
the first adjusting mechanism is an eccentric rotating mechanism which is arranged on the frame above the rear end of the pinch roller swing rod, and the eccentric part of the eccentric rotating mechanism can be abutted against the upper end of the pinch roller swing rod in the rotating process;
the second adjusting mechanism is an adjusting bolt, a screw hole assembly of the adjusting bolt is arranged on the frame, a bolt assembly of the adjusting bolt is screwed in a screw hole of the screw hole assembly, a feeding end of the bolt assembly faces to the upper end of the pinch roller swing rod, and the adjusting bolt is positioned behind the eccentric rotating mechanism; the structure of the screw hole component used for installing the second adjusting mechanism on the rack is configured as a fixed rod, the screw hole component is a screw hole formed on the fixed rod, the screw hole inclines from the upper part of the rear side to the lower part of the front side, and the bolt component is screwed in the screw hole; the eccentric rotary mechanism comprises an annular rotary main body and an eccentric pressing plate arranged at the eccentric position of the rotary main body, the acting surface of the eccentric pressing plate is arc-shaped, the acting surface of the eccentric pressing plate is an adjusting area for abutting and pressing the pressing wheel swinging rod, the pressing wheel swinging rod swings within a certain angle range along with the rotation of the eccentric pressing plate, a structure for installing the first adjusting mechanism on the rack is configured into a long rod with a polygonal cross section, two ends of the long rod are rotatably assembled at two ends of the rack, and a driving hand wheel for controlling the long rod to rotate and controlling the rotation stroke and positioning is arranged on the rack.
2. The two-stage adjustment high-precision pinch roller adjustment structure according to claim 1, wherein: the front end of the bolt component is a spherical surface.
3. The two-stage adjustment high-precision pinch roller adjustment structure according to claim 1 or 2, characterized in that: the rotating shaft or the wheel surface of the pinch roller is provided with a first pressure sensor, the first pressure sensor is connected with external digital display equipment, and the digital display equipment is arranged on the frame.
4. A wide format digital printer, characterized by: a two-stage adjusting high-precision pinch roller adjusting structure, a printing platform and a flattening roller, wherein a plurality of pinch rollers are respectively and independently pressed on the flattening roller, and each pinch roller is provided with a corresponding pinch roller swing rod, a first adjusting mechanism and a second adjusting mechanism so that the pressure of each pinch roller can be respectively adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413819.5A CN114701268B (en) | 2022-04-20 | 2022-04-20 | Two-stage adjusting high-precision pinch roller adjusting structure and wide digital printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413819.5A CN114701268B (en) | 2022-04-20 | 2022-04-20 | Two-stage adjusting high-precision pinch roller adjusting structure and wide digital printer |
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| Publication Number | Publication Date |
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| CN114701268A CN114701268A (en) | 2022-07-05 |
| CN114701268B true CN114701268B (en) | 2024-02-20 |
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| CN202210413819.5A Active CN114701268B (en) | 2022-04-20 | 2022-04-20 | Two-stage adjusting high-precision pinch roller adjusting structure and wide digital printer |
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| CN2702848Y (en) * | 2003-05-07 | 2005-06-01 | 杭州宏华数码科技股份有限公司 | Printing medium transfer impressing device for digital ink-jet platter |
| CN1923649A (en) * | 2005-08-31 | 2007-03-07 | 上海雅色兰广告器材有限公司 | Wheel pressing mechanism capable of adjusting impaction thickness |
| US8523180B1 (en) * | 2012-03-21 | 2013-09-03 | Foxlink Image Technology Co., Ltd. | Paper transmitting mechanism and the document feeder with the paper transmitting mechanism |
| CN203792919U (en) * | 2014-04-15 | 2014-08-27 | 北京美科艺数码科技发展有限公司 | Ink jet printer paper pressing mechanism |
| CN104210250A (en) * | 2013-05-29 | 2014-12-17 | 常州纳捷机电科技有限公司 | Adjustable pressure base of cutting plotter |
| CN109335170A (en) * | 2018-11-07 | 2019-02-15 | 桐城市鸿江包装有限公司 | A kind of non-woven fabrics impression packing device convenient for adjusting |
| CN112677222A (en) * | 2020-12-08 | 2021-04-20 | 浙江欧利特科技股份有限公司 | Pinch roller adjusting mechanism of paper splitting machine |
| CN113371505A (en) * | 2021-08-12 | 2021-09-10 | 常州欣盛半导体技术股份有限公司 | Application method of high-precision film feeding device |
| CN215153149U (en) * | 2021-06-29 | 2021-12-14 | 湖南鼎一致远科技发展有限公司 | Pinch roller mechanism with pressure regulation function and printer |
-
2022
- 2022-04-20 CN CN202210413819.5A patent/CN114701268B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1443649A (en) * | 2002-02-20 | 2003-09-24 | 夏普株式会社 | Imaging equipment |
| CN2702848Y (en) * | 2003-05-07 | 2005-06-01 | 杭州宏华数码科技股份有限公司 | Printing medium transfer impressing device for digital ink-jet platter |
| CN1923649A (en) * | 2005-08-31 | 2007-03-07 | 上海雅色兰广告器材有限公司 | Wheel pressing mechanism capable of adjusting impaction thickness |
| US8523180B1 (en) * | 2012-03-21 | 2013-09-03 | Foxlink Image Technology Co., Ltd. | Paper transmitting mechanism and the document feeder with the paper transmitting mechanism |
| CN104210250A (en) * | 2013-05-29 | 2014-12-17 | 常州纳捷机电科技有限公司 | Adjustable pressure base of cutting plotter |
| CN203792919U (en) * | 2014-04-15 | 2014-08-27 | 北京美科艺数码科技发展有限公司 | Ink jet printer paper pressing mechanism |
| CN109335170A (en) * | 2018-11-07 | 2019-02-15 | 桐城市鸿江包装有限公司 | A kind of non-woven fabrics impression packing device convenient for adjusting |
| CN112677222A (en) * | 2020-12-08 | 2021-04-20 | 浙江欧利特科技股份有限公司 | Pinch roller adjusting mechanism of paper splitting machine |
| CN215153149U (en) * | 2021-06-29 | 2021-12-14 | 湖南鼎一致远科技发展有限公司 | Pinch roller mechanism with pressure regulation function and printer |
| CN113371505A (en) * | 2021-08-12 | 2021-09-10 | 常州欣盛半导体技术股份有限公司 | Application method of high-precision film feeding device |
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| CN114701268A (en) | 2022-07-05 |
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