CN218463309U - Inking roller for performing circumferential and axial compound motion by means of friction force - Google Patents
Inking roller for performing circumferential and axial compound motion by means of friction force Download PDFInfo
- Publication number
- CN218463309U CN218463309U CN202222283700.9U CN202222283700U CN218463309U CN 218463309 U CN218463309 U CN 218463309U CN 202222283700 U CN202222283700 U CN 202222283700U CN 218463309 U CN218463309 U CN 218463309U
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- axial
- inking roller
- ring
- groove
- cam groove
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- 230000033001 locomotion Effects 0.000 title claims abstract description 13
- 150000001875 compounds Chemical class 0.000 title claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses an inker that relies on frictional force to carry out circumference and axial combined motion, including the axis, the urceolus has cup jointed in the axis, and the urceolus cover has the rubber sleeve, connects through the bearing transmission between urceolus and axis, is provided with axial play bearing arrangement between urceolus inner wall and axis, and this axial play bearing arrangement includes the outer lane, inner circle and steel ball, is equipped with the cam groove on the annular perisporium of inner circle, and the inner wall of outer lane is provided with the corresponding spacing groove of this cam groove, and the steel ball setting is between spacing groove and cam groove. Thus, the compound motion that the ink form roller rotates in the circumferential direction and moves in the axial direction is realized, the ink is evenly coated on the printing plate cylinder, and the ghost image is eliminated.
Description
Technical Field
The utility model relates to a part on the lithography apparatus, concretely relates to rely on frictional force to carry out circumference and axial combined motion's inking roller.
Background
In the printing equipment, an inking roller and a plate cylinder are tightly attached together, the inking roller is used for uniformly conducting ink in an ink tray on the surface of the plate cylinder, namely, inking the plate cylinder, the surface of the inking roller is wrapped by rubber and is also a rubber roller, the inking roller and the plate cylinder synchronously rotate through friction, the axial position of the inking roller is fixed, the length of the inking roller and the length of the printing cylinder are long, so that the printing pressure or the contact pressure of each position are not in a balanced optimal printing state, namely, the inking of a printing plate on the plate cylinder is unbalanced, local ink shortage is caused, unknown lines or shadows are formed, the unknown lines or shadows are called as 'ghost shadows' in the industry, and fine lines obviously lighter than images and texts are generated on a printing material, so that the printing quality is influenced.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the utility model aims to provide an it carries out circumference and axial combined motion's form roller to rely on frictional force to guarantee the equilibrium of the printing plate inking on the plate cylinder, eliminate "ghost image".
In order to achieve the above purpose, the utility model provides a following technical scheme: an inking roller performing circumferential and axial compound motion by means of friction force comprises a center shaft, an outer cylinder and a rubber sleeve, wherein the rubber sleeve is sleeved on the outer cylinder, the center shaft is connected with the outer cylinder through a needle bearing, an axial oscillating bearing structure is further arranged between the inner wall of the outer cylinder and the center shaft, the axial oscillating bearing structure comprises an outer ring, an inner ring and steel balls, a cam groove is formed in the annular circumferential wall of the inner ring, a limiting groove corresponding to the cam groove is formed in the inner wall of the outer ring, and the steel balls are arranged between the limiting groove and the cam groove.
The middle shaft is provided with a first annular groove corresponding to the inner ring, the inner ring is fixed on the first annular groove through a first limiting sleeve and a first clamping ring, the inner end of the outer barrel is provided with a second annular groove, and the outer ring is fixed in the second annular groove through a second limiting sleeve and a second clamping ring.
The utility model has the advantages that: the inking roller and the printing plate cylinder are tightly attached together, the printing plate cylinder rotates actively, the inking roller and the printing plate cylinder rotate synchronously under the action of friction force, and when the inking roller rotates, the outer cylinder moves axially due to the fact that steel balls in the axial transmission bearing structure move along the cam grooves, so that the inking roller rotates circumferentially and moves axially, the inking roller performs inking balance on a printing plate on the printing plate cylinder, and ghost image is eliminated.
The invention is further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is an enlarged view of a in fig. 1.
Detailed Description
The following detailed description of the present invention is provided for the purpose of illustration only, and is not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the present embodiment discloses an inking roller which performs a circumferential and axial combined motion by means of friction, the inking roller and a plate cylinder are tightly attached together, the plate cylinder is actively rotated, the inking roller comprises a central shaft 1, an outer cylinder 2 and a rubber sleeve 3, the central shaft 1 is connected with the outer cylinder 2 through two needle bearings 9, the outer cylinder 2 is sleeved with the rubber sleeve 3, so that the outer cylinder 2 can move left and right along the central shaft 1, an axial oscillating bearing structure 4 is further arranged between one side of the inner wall of the outer cylinder 2 and the central shaft 1, the axial oscillating bearing structure 4 comprises an outer ring 41, an inner ring 42 and a steel ball 43, a cam groove 421 is arranged on the annular circumferential wall of the inner ring 42, a limit groove 411 corresponding to the cam groove 421 is arranged on the inner wall of the outer ring 41, the steel ball 43 is arranged between the limit groove 411 and the cam groove 421, and the axial oscillating bearing structure 4 limits the axial left and right movement amplitude and direction changing action of the outer cylinder 2.
The middle shaft 1 is provided with a first annular groove 10 corresponding to the inner ring 42, the inner ring 42 is fixed on the first annular groove 10 through a first limit sleeve 5 and a first snap ring 6, the inner end of the outer barrel 2 is provided with a second annular groove 20, the outer ring 41 is fixed in the second annular groove 20 through a second limit sleeve 7 and a second snap ring 8, and one needle bearing 9 is arranged between the first limit sleeve and the second limit sleeve. The inner ring 42 and the outer ring 41 are reliably fixed by the structure, and displacement is effectively prevented.
By adopting the technical scheme, the inking roller and the printing plate cylinder are tightly attached together, the printing plate cylinder rotates actively, the inking roller and the printing plate cylinder rotate synchronously under the action of friction force, and the outer cylinder 2 moves axially due to the movement of the steel balls 43 in the axial transmission bearing structure along the cam grooves 421 when the inking roller rotates, so that the inking roller rotates circumferentially and moves axially in a combined motion manner, the inking balance is realized for the printing plate on the printing plate cylinder, and the ghost image is eliminated.
Claims (2)
1. An inking roller which carries out circumferential and axial compound motion by means of friction force comprises a middle shaft, an outer cylinder and a rubber sleeve, wherein the rubber sleeve is sleeved on the outer cylinder, and the inking roller is characterized in that: the middle shaft is connected with the outer cylinder through a needle bearing, an axial moving bearing structure is further arranged between the inner wall of the outer cylinder and the middle shaft and comprises an outer ring, an inner ring and steel balls, a cam groove is formed in the annular circumferential wall of the inner ring, a limiting groove corresponding to the cam groove is formed in the inner wall of the outer ring, and the steel balls are arranged between the limiting groove and the cam groove.
2. An ink form roller for frictionally executing a combined circumferential and axial motion according to claim 1, characterized in that: the middle shaft is provided with a first annular groove corresponding to the inner ring, the inner ring is fixed on the first annular groove through a first limiting sleeve and a first clamping ring, the inner end of the outer barrel is provided with a second annular groove, and the outer ring is fixed in the second annular groove through a second limiting sleeve and a second clamping ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222283700.9U CN218463309U (en) | 2022-08-23 | 2022-08-23 | Inking roller for performing circumferential and axial compound motion by means of friction force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222283700.9U CN218463309U (en) | 2022-08-23 | 2022-08-23 | Inking roller for performing circumferential and axial compound motion by means of friction force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218463309U true CN218463309U (en) | 2023-02-10 |
Family
ID=85140291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222283700.9U Active CN218463309U (en) | 2022-08-23 | 2022-08-23 | Inking roller for performing circumferential and axial compound motion by means of friction force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218463309U (en) |
-
2022
- 2022-08-23 CN CN202222283700.9U patent/CN218463309U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG LANDA PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Assignor: Zhejiang ZHONGTE Machinery Technology Co.,Ltd. Contract record no.: X2023980044484 Denomination of utility model: The inking roller that relies on frictional force to perform circumferential and axial composite motion Granted publication date: 20230210 License type: Common License Record date: 20231026 |
|
| EE01 | Entry into force of recordation of patent licensing contract |