CN115107346A - Printing machine version roller fine setting structure - Google Patents
Printing machine version roller fine setting structure Download PDFInfo
- Publication number
- CN115107346A CN115107346A CN202210845732.5A CN202210845732A CN115107346A CN 115107346 A CN115107346 A CN 115107346A CN 202210845732 A CN202210845732 A CN 202210845732A CN 115107346 A CN115107346 A CN 115107346A
- Authority
- CN
- China
- Prior art keywords
- printing
- printing machine
- connecting seat
- shaft sleeve
- sliding shaft
- Prior art date
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- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/10—Forme cylinders
- B41F13/12—Registering devices
- B41F13/14—Registering devices with means for displacing the cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a fine adjustment structure of a printing roller of a printing machine, which comprises a printing machine shell, wherein a sliding shaft sleeve is arranged in the printing machine shell, the inner periphery of the sliding shaft sleeve is connected with the printing roller through a first transmission structure, a helical gear is sleeved on the outer periphery of the sliding shaft sleeve, one end of the helical gear is connected with a connecting seat, the inner periphery of the connecting seat is rotatably connected with one end of an adjusting shaft through a bearing, a gland is arranged at the end part of the adjusting shaft, a shaft shoulder of the adjusting shaft and the gland respectively abut against two ends of the bearing, the adjusting shaft is slidably arranged in the printing machine shell, and the connecting seat and the sliding shaft sleeve are in transmission connection through a transmission column; the printer shell is internally provided with fixed helical teeth matched with the helical gear in a shape, and the fixed helical teeth are meshed with the helical gear. The invention has simple structure and small occupied space; the transmission column connection avoids the gap caused by the processing of the internal spline and the external spline, thereby ensuring the accuracy of overprinting; the printing efficiency and the printing quality are high, the rejection rate is low, and the implementation cost is lower.
Description
Technical Field
The invention belongs to the technical field of printing machinery, and relates to a printing roller fine-tuning structure of a printing machine.
Background
When the printing machine works, the position of the plate roller needs to be adjusted. In the existing printing machine, the overprinting is easy to be accurate at two ends in the printing process, the error in the middle is large, and the printing quality is influenced. Economic loss is caused to printing manufacturers, and production raw materials are wasted.
Disclosure of Invention
The invention aims to provide a fine adjustment structure of a printing roller of a printing machine, which can solve the problems that overprinting is accurate at two ends, a middle error is large and printing quality is influenced in the printing process.
According to the technical scheme provided by the invention: a fine adjustment structure for a printing roller of a printing machine comprises a printing machine shell, wherein a sliding shaft sleeve is arranged in the printing machine shell, the inner periphery of the sliding shaft sleeve is connected with the printing roller through a first transmission structure, a helical gear is sleeved on the outer periphery of the sliding shaft sleeve, one end of the helical gear is connected with a connecting seat, the inner periphery of the connecting seat is rotatably connected with one end of an adjusting shaft through a bearing, a gland is installed at the end part of the adjusting shaft, a shaft shoulder of the adjusting shaft and the gland respectively abut against two ends of the bearing, the adjusting shaft is slidably arranged in the printing machine shell, and the connecting seat and the sliding shaft sleeve are in transmission connection through a transmission column; the printer shell is internally provided with fixed helical teeth matched with the helical gear in a shape, and the fixed helical teeth are meshed with the helical gear.
As a further improvement of the invention, the first transmission structure comprises a key, and the inner periphery of the sliding shaft sleeve is connected with the plate roller through key transmission.
As a further improvement of the invention, one end of the bevel gear is detachably connected with the connecting seat through a first screw.
As a further improvement of the invention, a gasket is arranged between the head part of the first screw and the connecting seat.
As a further improvement of the invention, the end of the adjusting shaft is provided with a gland through a shaft end screw.
As a further improvement of the invention, the connecting seat and the sliding shaft sleeve are provided with adaptive transmission column holes, the transmission columns are positioned in the transmission column holes, and the transmission columns are in clearance fit with the transmission column holes.
As a further improvement of the invention, the end part of the connecting seat is provided with a bearing mounting opening, and the outer end of the bearing mounting opening is provided with a gland through a screw to form a closed bearing mounting chamber.
As a further improvement of the invention, the middle part of the printing roller is provided with a positioning shaft shoulder, the end part of the printing roller is provided with a pressing plate through a screw, and the positioning shaft shoulder and the pressing plate are both propped against the sliding shaft sleeve.
As a further improvement of the invention, a gap is reserved between the connecting seat and the sliding shaft sleeve in the axial direction.
The positive progress effect of this application lies in:
the invention has simple structure and small occupied space; the transmission column connection avoids the clearance caused by the processing of the internal spline and the external spline, thereby ensuring the accuracy of overprinting; the printing efficiency and the printing quality are high, the rejection rate is low, and the implementation cost is lower.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In fig. 1, the device comprises an adjusting shaft 1, a large washer 2, a first screw 3, a connecting seat 4, a gland 5, a screw 6, an elastic cushion 7, a bearing 8, a gland 9, a helical gear 11, a transmission column 12, a pressure plate 13, a screw 14, an elastic cushion 15, a sliding shaft sleeve 16, a key 19, a plate roller 20 and the like.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.
In the following description of the embodiment, the coordinates refer to fig. 1, where the direction from the inside of the vertical paper in fig. 1 is taken as the front, the direction from the outside of the vertical paper in fig. 1 is taken as the rear, the left-right direction in fig. 1 is taken as the left-right direction, and the up-down direction in fig. 1 is taken as the up-down direction.
As shown in fig. 1, the invention is a fine adjustment structure for a printing roller of a printing machine, which comprises a printing machine shell, wherein a sliding shaft sleeve 16 is arranged in the printing machine shell, the inner periphery of the sliding shaft sleeve 16 is connected with a printing roller 20 through a first transmission structure, a helical gear 11 is sleeved on the outer periphery of the sliding shaft sleeve 16, one end of the helical gear 11 is connected with a connecting seat 4, the inner periphery of the connecting seat 4 is rotatably connected with one end of an adjusting shaft 1 through a bearing 8, a gland 9 is arranged at the end part of the adjusting shaft 1, the shaft shoulder of the adjusting shaft 1 and the gland 9 respectively abut against two ends of the bearing 8, the adjusting shaft 1 is slidably arranged in the printing machine shell, and the connecting seat 4 is in transmission connection with the sliding shaft sleeve 16 through a transmission column 12. The printer shell is internally provided with fixed helical teeth matched with the tooth form of the helical gear 11, and the fixed helical teeth are meshed with the helical gear 11.
The first transmission structure comprises a key 19, and the inner periphery of the sliding shaft sleeve 16 is in transmission connection with the plate roller 20 through the key 19.
One end of the bevel gear 11 is detachably connected with the connecting seat 4 through a first screw 3. And a gasket is arranged between the head of the first screw 3 and the connecting seat 4, so that the locking fastness is improved.
The end part of the adjusting shaft 1 is provided with a gland 9 through a shaft end screw.
The connecting seat 4 and the sliding shaft sleeve 16 are provided with adaptive transmission column holes, and the transmission column 12 is positioned in the transmission column holes. The transmission post 12 is in clearance fit with the transmission post hole.
In order to prevent the driving post 12 from slipping out, a limit screw (not shown) is installed in the driving post hole for limiting.
In order to facilitate the installation of the bearing, a bearing installation opening is formed in the end portion of the connecting seat 4, and a gland 7 is installed at the outer end of the bearing installation opening through a screw to form a closed bearing installation chamber.
In order to prevent the printing roller 20 and the sliding shaft sleeve 16 from moving axially, a positioning shaft shoulder is arranged in the middle of the printing roller 20, a pressing plate 13 is mounted at the end part of the printing roller 20 through a screw, and the positioning shaft shoulder and the pressing plate 13 are both abutted against the sliding shaft sleeve 16.
A gap is reserved between the connecting seat 4 and the sliding shaft sleeve 16 in the axial direction, so that axial interference is prevented.
The working process of the invention is as follows:
the adjusting shaft 1 receives the axial driving force of the driving device, the adjusting shaft 1 is transmitted to the connecting seat 4 and the helical gear 11 through the bearing 8, the helical gear 11 has a helical angle in the peripheral tooth shape, the fixed helical gear meshed with the helical gear is fixed, the helical gear 11 rotates and moves along the helical angle, the helical gear 11 transmits the rotation and movement displacement to pass through the connecting seat 4, the connecting seat 4 transmits the rotation displacement to the sliding shaft sleeve 16 through the transmission column 12, and the sliding shaft sleeve 16 drives the printing roller 20 to rotate through the key 19, so that the adjustment is completed.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. A printing machine roller fine adjustment structure is characterized by comprising a printing machine shell, wherein a sliding shaft sleeve (16) is arranged in the printing machine shell, the inner periphery of the sliding shaft sleeve (16) is connected with a printing roller (20) through a first transmission structure, a helical gear (11) is sleeved on the outer periphery of the sliding shaft sleeve (16), one end of the helical gear (11) is connected with a connecting seat (4), the inner periphery of the connecting seat (4) is rotatably connected with one end of an adjusting shaft (1) through a bearing (8), a gland (9) is installed at the end part of the adjusting shaft (1), the shaft shoulder of the adjusting shaft (1) and the gland (9) respectively abut against the two ends of the bearing (8), the adjusting shaft (1) is slidably arranged in the printing machine shell, and the connecting seat (4) is in transmission connection with the sliding shaft sleeve (16) through a transmission column (12); the printer shell is internally provided with fixed helical teeth matched with the helical gear (11) in tooth form, and the fixed helical teeth are meshed with the helical gear (11).
2. Printing press plate roll trimming configuration according to claim 1, characterised in that the first transmission configuration comprises a key (19), the inner periphery of the sleeve (16) being drivingly connected to the plate roll (20) by the key (19).
3. Printing press roller fine adjustment structure according to claim 1, characterized in that one end of the bevel gear (11) is detachably connected to the connection seat (4) by means of a first screw (3).
4. Printing press roller fine-tuning structure according to claim 3, characterized in that a spacer is mounted between the head of the first screw (3) and the connection seat (4).
5. Printing press plate roll trimming structure according to claim 1, characterised in that the end of the adjustment shaft (1) is fitted with a gland (9) by means of a shaft end screw.
6. The printing press roller fine adjustment structure according to claim 1, wherein a transmission column hole is formed in the connecting seat (4) and the sliding shaft sleeve (16) in a matching manner, the transmission column (12) is located in the transmission column hole, and the transmission column (12) is in clearance fit with the transmission column hole.
7. The printing machine roller fine adjustment structure as claimed in claim 1, wherein a bearing mounting opening is formed in the end portion of the connecting base (4), and a gland (7) is mounted at the outer end of the bearing mounting opening through a screw, so that a sealed bearing mounting chamber is formed.
8. The printing press plate roller fine-tuning structure of claim 1, characterized in that a positioning shoulder is arranged in the middle of the printing roller (20), the pressing plate (13) is mounted at the end of the printing roller (20) through a screw, and the positioning shoulder and the pressing plate (13) are both abutted against the sliding shaft sleeve (16).
9. Printing press roller fine-tuning structure according to claim 1, characterized in that the connecting seat (4) is axially spaced from the sleeve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210845732.5A CN115107346B (en) | 2022-07-19 | 2022-07-19 | Printing machine version roller fine setting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210845732.5A CN115107346B (en) | 2022-07-19 | 2022-07-19 | Printing machine version roller fine setting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115107346A true CN115107346A (en) | 2022-09-27 |
| CN115107346B CN115107346B (en) | 2024-01-02 |
Family
ID=83332224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210845732.5A Active CN115107346B (en) | 2022-07-19 | 2022-07-19 | Printing machine version roller fine setting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115107346B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321006A (en) * | 1970-05-22 | 1973-06-20 | Miller Printing Machinery Co | Rotary printing press |
| US5092242A (en) * | 1989-06-03 | 1992-03-03 | Man Roland Druckmaschinen Ag | Lateral and circumferential register adjustment system for a rotary printing machine |
| CN2895052Y (en) * | 2006-03-25 | 2007-05-02 | 营口三鑫印机有限公司 | Automatic plate-adjusting mechanism for offset machine |
| CN101830100A (en) * | 2010-05-22 | 2010-09-15 | 浙江宏华机械塑胶有限公司 | Automatic proofreading component of cup printing machine |
| CN103538357A (en) * | 2013-10-17 | 2014-01-29 | 上海紫明印刷机械有限公司 | Plate cylinder position calibrating device |
| CN107953661A (en) * | 2018-01-12 | 2018-04-24 | 无锡宝南机器制造有限公司 | Printing machine helical spline phase adjusting device |
| CN214324533U (en) * | 2020-12-28 | 2021-10-01 | 无锡宝南机器制造有限公司 | Combined adjusting device for axial and diagonal overprinting of printing machine |
-
2022
- 2022-07-19 CN CN202210845732.5A patent/CN115107346B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321006A (en) * | 1970-05-22 | 1973-06-20 | Miller Printing Machinery Co | Rotary printing press |
| US3750568A (en) * | 1970-05-22 | 1973-08-07 | Miller Printing Machinery Co | Register control apparatus for controlling both axial and circumferential register of a plate cylinder |
| US5092242A (en) * | 1989-06-03 | 1992-03-03 | Man Roland Druckmaschinen Ag | Lateral and circumferential register adjustment system for a rotary printing machine |
| CN2895052Y (en) * | 2006-03-25 | 2007-05-02 | 营口三鑫印机有限公司 | Automatic plate-adjusting mechanism for offset machine |
| CN101830100A (en) * | 2010-05-22 | 2010-09-15 | 浙江宏华机械塑胶有限公司 | Automatic proofreading component of cup printing machine |
| CN103538357A (en) * | 2013-10-17 | 2014-01-29 | 上海紫明印刷机械有限公司 | Plate cylinder position calibrating device |
| CN107953661A (en) * | 2018-01-12 | 2018-04-24 | 无锡宝南机器制造有限公司 | Printing machine helical spline phase adjusting device |
| CN214324533U (en) * | 2020-12-28 | 2021-10-01 | 无锡宝南机器制造有限公司 | Combined adjusting device for axial and diagonal overprinting of printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115107346B (en) | 2024-01-02 |
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