CN109130457B - Gravure press version roller sealing device - Google Patents
Gravure press version roller sealing device Download PDFInfo
- Publication number
- CN109130457B CN109130457B CN201811296701.9A CN201811296701A CN109130457B CN 109130457 B CN109130457 B CN 109130457B CN 201811296701 A CN201811296701 A CN 201811296701A CN 109130457 B CN109130457 B CN 109130457B
- Authority
- CN
- China
- Prior art keywords
- spring
- cylinder
- printing press
- central shaft
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 59
- 238000007639 printing Methods 0.000 claims abstract description 46
- 238000007646 gravure printing Methods 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010017 direct printing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- B41F13/11—Gravure cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention provides a plate roller sealing device of an intaglio printing press, relates to the technical field of printing, and solves the technical problem that in the prior art, sealing performance between a tip cone and a plate roller is poor in the using process of the intaglio printing press. The gravure printing machine plate roller sealing device comprises: a central shaft and an elastic member; one end of the central shaft is in sealing connection with a plate roller positioned in the shell of the intaglio printing press through a tip cone; the other end of the central shaft penetrates out of the intaglio printing press shell and then is connected with a driving device; the length of the central shaft can be adjusted to be close to or far away from the plate roller; the elastic piece is arranged between the shell of the gravure printing machine and the tip cone, at least one end of the elastic piece is rotationally connected, and the elastic piece is always in a compressed state. The invention is used for improving the sealing performance between the top cone and the plate roller in the gravure printing machine.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a plate roller sealing device of an intaglio printing press.
Background
Gravure printing is a direct printing method, and takes up an extremely important position in the fields of printing packaging and graphic publishing by virtue of the advantages of thick ink layer, bright color, high saturation, high printing plate printing resistance, stable printing quality, high printing speed and the like of a printing plate. The printing method comprises the steps of directly imprinting ink contained in pits of a plate roller on a printing stock, wherein the gradation of a printed picture is determined by the size and the depth of the pits, if the pits are deeper, more ink is contained, and an ink layer left on the printing stock after imprinting is thicker; conversely, if the pits are shallower, the ink content is smaller and the ink layer left on the substrate after imprinting is thinner.
Printing plates of a printing machine used in the intaglio printing industry are fixed by being clamped by pneumatic top cones arranged at two ends, a transmission mechanism drives a plate roller to rotate, an ink tank is arranged below the plate roller, the plate roller is soaked in ink, the ink is smeared on the plate roller through the rotation of the plate roller and then transferred to a plastic film, and the plastic film is printed. In order to prevent circumferential slip between the tip cone and the plate roller, a metal key is arranged on the pneumatic tip cone, and a hole and a key groove corresponding to the metal key are arranged on the printing plate.
Disclosure of Invention
The invention aims to provide a plate roller sealing device of an intaglio printing press, which solves the technical problem of poor sealing performance between a tip cone and a plate roller in the using process of the intaglio printing press in the prior art. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a gravure printing machine plate roller sealing device, which comprises: a central shaft and an elastic member; one end of the central shaft is in sealing connection with a plate roller positioned in the shell of the intaglio printing press through a tip cone; the other end of the central shaft penetrates out of the intaglio printing press shell and then is connected with a driving device; the length of the central shaft can be adjusted to be close to or far away from the plate roller; the elastic piece is arranged between the shell and the tip cone of the gravure printing machine, at least one end of the elastic piece is rotationally connected, and the elastic piece is always in a compressed state.
Preferably the ground is used to determine the position of the ground, the elastic piece comprises a first spring, a second spring and a limiting piece; the axes of the first spring and the second spring are coincident; the inner diameter of the first spring is larger than the outer diameter of the second spring, and the second spring part is inserted into the first spring; the limiting piece is arranged at one end of the second spring inserted into the first spring, and the limiting piece is detachably connected with the first spring.
Preferably, the limiting piece is horseshoe-shaped, the limiting piece can be radially inserted into the first spring, the outer diameter of the limiting piece is larger than the first spring specification, and the inner diameter of the limiting piece is smaller than the second spring specification.
Preferably, the inner diameters of the first spring and the second spring are larger than the outer diameter of the central shaft, and the first spring and the second spring are sleeved outside the central shaft.
Preferably, the central shaft is a shrink cylinder comprising an outer cylinder and an inner cylinder, the inner cylinder being disposed through the outer cylinder and the inner cylinder being extendable or retractable relative to the outer cylinder to adjust the length of the shrink cylinder.
Preferably, one end of the elastic piece is fixedly connected with the tip cone, and the other end of the elastic piece is provided with a flat push bearing which is in rotary connection with a shell of the intaglio printing press.
Preferably, the gravure printing machine plate roller sealing device is also provided with a shrink cylinder; the shrink cylinder wraps the central shaft and the elastic piece, one end of the shrink cylinder is connected with the tip cone, the other end of the shrink cylinder is connected with the shell of the intaglio printing press, and at least one end of the shrink cylinder is rotationally connected.
Preferably, the shrink cylinder is externally wrapped with a sealing strip.
Preferably, the gravure printing machine plate roller sealing device is further provided with a sealing ring, wherein the sealing ring covers a connecting gap between the tip cone and the gravure printing machine plate roller and is used for enhancing sealing between the tip cone and the gravure printing machine plate roller.
Preferably, the gravure printing machine plate roller sealing device is also provided with a sealing layer; the sealing layer is attached to the outer side of the contact surface of the tip cone and the plate roller.
The seal device for the gravure printing roller is provided with the elastic piece, the elastic piece is positioned at the side part of the printing roller, the elastic piece is always kept in a compressed state in the working process of the printing roller, and the elastic piece can apply the thrust close to the printing roller to the tip cone in real time in the compressed state, so that the seal performance between the tip cone and the printing roller is better.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a plate roller sealing device of an intaglio printing press according to the present invention;
FIG. 2 is a schematic view of the installation of the gravure printing press cylinder sealing device of the present invention on a printing press;
fig. 3 is a schematic structural view of a stopper according to the present invention.
1, central axis in the figure; 2. an elastic member; 21. a first spring; 22. a second spring; 23. a limiting piece; 3. a tip cone; 4. a shrink cylinder; 5. sealing ring a. The invention relates to a method for producing a fibre-reinforced plastic composite.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
As shown in fig. 1 and 2, a plate roller sealing device of an intaglio printing press, comprising: a central shaft 1 and an elastic member 2; one end of the central shaft 1 is in sealing connection with a plate roller 6 positioned in the shell of the intaglio printing press through a tip cone 3; the other end of the central shaft 1 penetrates out of the intaglio printing press shell and is connected with a driving device; the length of the central shaft 1 can be adjusted to be close to or far away from the plate roller 6; the elastic member 2 is arranged between the casing of the intaglio printing press and the tip cone 3, at least one end of the elastic piece 2 is rotationally connected, and the elastic piece 2 is always in a compressed state. During the operation of the printing press, the nose cone 3 is always pushed by the elastic element 2, the top cone 3 and the plate roller 6 are tightly attached, and the sealing performance of the top cone 3 and the plate roller 6 is enhanced. The sealing device of the gravure printing machine plate roller sealing device needs to be used in pairs, and two ends of the printing machine plate roller 6 need to be respectively provided with the gravure printing machine plate roller sealing device.
As an implementation solution of the present invention, the elastic member 2 includes a first spring 21, a second spring 22 and a limiting member 23; the axes of the first spring 21 and the second spring 22 coincide; the inner diameter of the first spring 21 is larger than the outer diameter of the second spring 22, and the second spring 22 is partially inserted into the first spring 21; the limiting piece 23 is arranged at one end of the second spring 22 inserted into the first spring 21, and the limiting piece 23 is detachably connected with the first spring 21. The position of the limiting piece 23 is adjusted in the axial direction of the first spring 21, the length of the second spring 22 inserted into the first spring 21 is changed, and the whole length of the elastic piece 2 is adjusted, so that the sealing device can be suitable for plate rollers 6 with different lengths.
As shown in fig. 3, as an implementation solution of the present invention, the limiting member 23 is in a horseshoe shape, the limiting member 23 can be radially inserted into the first spring 21, and the outer diameter of the limiting member 23 is larger than the specification of the first spring 21, and the inner diameter is smaller than the specification of the second spring 22. The horseshoe shape is understood to be an unsealed circular ring, and in use, the positioning element can be inserted from the gap between two adjacent spiral lines of the first spring 21, and the second spring 22 abuts against the limiting element 23. In order to ensure that the positioning piece cannot fall out after being inserted into the first spring 21, a screw can be arranged on the positioning piece, the screw is screwed, and a certain section of the first spring 21 can be firmly pressed on the positioning piece by a screw cap of the screw.
As an implementation technical scheme of the invention, the inner diameters of the first spring 21 and the second spring 22 are larger than the outer diameter of the central shaft 1, and are sleeved outside the central shaft 1, when the axis of the elastic piece 2 is coincident with the axis of the central shaft 1, the external force applied by the elastic piece 2 to the central shaft 1 can be uniformly distributed in the circumferential direction of the central shaft 1, so that the central shaft 1 rotates stably in the working state of the printer.
As an implementation technical scheme of the invention, the central shaft 1 is a shrinkage cylinder, and comprises an outer cylinder and an inner cylinder, wherein the inner cylinder is arranged in the outer cylinder in a penetrating way, and the inner cylinder can extend or retract relative to the outer cylinder so as to adjust the length of the shrinkage cylinder.
As an implementation technical scheme of the invention, one end of the elastic piece 2 is fixedly connected with the tip cone 3, so that the elastic piece 2 can be prevented from being separated from the tip cone 3, and the stability of the sealing device can be improved; the other end is provided with a horizontal pushing bearing which is rotationally connected with the shell of the intaglio printing press, so that the elastic member 2 is prevented from being distorted in the working process of the intaglio printing press.
As an implementation technical scheme of the invention, the gravure printing machine plate roller sealing device is also provided with a shrink cylinder 4; the shrink cylinder 4 cladding center pin 1 and elastic component 2, shrink cylinder 4 one end links to each other with the back taper 3, and the other end links to each other with the casing of intaglio press, and wherein at least one end is rotated and is connected, and shrink cylinder 4 inside is sealed space, can prevent that elastic component 2 from being stained with the printing ink and influence self performance.
As an implementation technical scheme of the invention, the sealing strip is wound outside the shrink tube 4 to protect the outer surface of the shrink tube 4, so that the shrink tube 4 is convenient to clean.
As an implementation technical scheme of the invention, the gravure printing machine plate roller sealing device is also provided with a sealing ring 5, and the sealing ring 5 covers a connecting gap between the tip cone 3 and the gravure printing machine plate roller 6 and is used for enhancing the sealing between the tip cone 3 and the gravure printing machine plate roller 6. The internal diameter of sealing ring 5 equals with the external diameter size of back taper 3, and sealing ring 5 passes through the one end of bolt fastening at version roller 6, further improves the sealing performance between back taper 3 and the version roller 6.
As an implementation technical scheme of the invention, the gravure printing machine plate roller sealing device is also provided with a sealing layer; the sealing layer is attached to the outer side of the contact surface of the tip cone 3 and the plate roller 6, so that the tip cone 3 is convenient to clean.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A gravure printing press plate roll sealing device, comprising: a central shaft (1) and an elastic member (2); one end of the central shaft (1) is positioned on the gravure printing shell the plate roller (6) in the body is connected in a sealing way through the tip cone (3); the other end of the central shaft (1) penetrates out of the intaglio printing press shell and is connected with a driving device; the length of the central shaft (1) can be adjusted to be close to or far away from the plate roller (6); the elastic piece (2) is arranged between a shell of the gravure printing machine and the tip cone (3), at least one end of the elastic piece (2) is rotationally connected, and the elastic piece (2) is always in a compressed state; the central shaft (1) is a shrinkage cylinder and comprises an outer cylinder and an inner cylinder, wherein the inner cylinder is arranged in the outer cylinder in a penetrating way, and the inner cylinder can extend or retract relative to the outer cylinder so as to adjust the length of the shrinkage cylinder; one end of the elastic piece (2) is fixedly connected with the tip cone (3), and the other end of the elastic piece is provided with a flat push bearing which is rotationally connected with a shell of the intaglio printing press.
2. Gravure press plate roll sealing device according to claim 1, characterized in that the elastic element (2) comprises a first spring (21), a second spring (22) and a limiting element (23); -the first spring (21) coincides with the axis of the second spring (22); the inner diameter of the first spring (21) is larger than the outer diameter of the second spring (22), and the second spring (22) is partially inserted into the first spring (21); the limiting piece (23) is arranged at one end of the second spring (22) inserted into the first spring (21), and the limiting piece (23) is detachably connected with the first spring (21).
3. Gravure press plate roller sealing device according to claim 2, characterized in that the limiting piece (23) is horseshoe-shaped, the limiting piece (23) can be inserted radially in the first spring (21), and the outer diameter of the limiting piece (23) is larger than the first spring (21) specification, and the inner diameter is smaller than the second spring (22) specification.
4. Gravure printing press plate roll sealing device according to claim 2, characterized in that the first spring (21) and the second spring (22) each have an inner diameter that is larger than the outer diameter of the central shaft (1) and each is sleeved outside the central shaft (1).
5. Gravure printing press cylinder sealing arrangement according to claim 1, characterized in that it is also provided with a shrink cylinder (4); the shrinkage cylinder (4) coats the central shaft (1) and the elastic piece (2), one end of the shrinkage cylinder (4) is connected with the tip cone (3), and the other end of the shrinkage cylinder is connected with a shell of the intaglio printing press, wherein at least one end of the shrinkage cylinder is in rotary connection.
6. Gravure printing press cylinder sealing arrangement according to claim 5, characterized in that the shrink cylinder (4) is externally wound with sealing strips.
7. Gravure printing press plate roll sealing device according to claim 1, characterized in that it is further provided with a sealing ring (5), which sealing ring (5) covers the connection gap between the tip cone (3) and the gravure printing press plate roll (6) for strengthening the seal between the tip cone (3) and the gravure printing press plate roll (6).
8. The intaglio printing press cylinder sealing device according to claim 1, wherein said intaglio printing press cylinder sealing device is further provided with a sealing layer; the sealing layer is pasted attached to said tip cone (3) and plate roller (6) outside the contact surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296701.9A CN109130457B (en) | 2018-11-01 | 2018-11-01 | Gravure press version roller sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296701.9A CN109130457B (en) | 2018-11-01 | 2018-11-01 | Gravure press version roller sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109130457A CN109130457A (en) | 2019-01-04 |
| CN109130457B true CN109130457B (en) | 2023-11-14 |
Family
ID=64807213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811296701.9A Active CN109130457B (en) | 2018-11-01 | 2018-11-01 | Gravure press version roller sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109130457B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183597A (en) * | 2021-04-30 | 2021-07-30 | 安徽天翔高新特种包装材料集团有限公司 | Printing roller sealing device of gravure printing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049127A (en) * | 1989-06-14 | 1991-02-13 | 乔里路公司 | Be used to make the device of the printing forme tensioning that is installed on the intaglio machine cylinder |
| CN1970296A (en) * | 2005-11-21 | 2007-05-30 | 海德堡印刷机械股份公司 | Apparatus for implementing adjustment process in rotary supported roller in printing press |
| CN203157355U (en) * | 2013-02-27 | 2013-08-28 | 广东顺德德力印刷机械有限公司 | Cone-shaft plate installation mechanism for intaglio presses |
| EP2722179A1 (en) * | 2012-10-18 | 2014-04-23 | KBA-NotaSys SA | Intaglio printing press and method of monitoring operation of the same |
| CN206552893U (en) * | 2017-01-13 | 2017-10-13 | 中山市东容印刷包装有限公司 | A kind of reuse means of the useless roller of intaglio printing |
| CN206765526U (en) * | 2017-05-19 | 2017-12-19 | 温州上运制版有限公司 | A kind of easy-to-dismount combined type roller |
| CN207105876U (en) * | 2017-05-27 | 2018-03-16 | 天津市泽泰印务股份有限公司 | The rapid dismounting apparatus of printing press plate roller |
| CN209257655U (en) * | 2018-11-01 | 2019-08-16 | 大连巨通塑料制品有限公司 | Gravure printing machine sealing device |
-
2018
- 2018-11-01 CN CN201811296701.9A patent/CN109130457B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049127A (en) * | 1989-06-14 | 1991-02-13 | 乔里路公司 | Be used to make the device of the printing forme tensioning that is installed on the intaglio machine cylinder |
| CN1970296A (en) * | 2005-11-21 | 2007-05-30 | 海德堡印刷机械股份公司 | Apparatus for implementing adjustment process in rotary supported roller in printing press |
| EP2722179A1 (en) * | 2012-10-18 | 2014-04-23 | KBA-NotaSys SA | Intaglio printing press and method of monitoring operation of the same |
| CN203157355U (en) * | 2013-02-27 | 2013-08-28 | 广东顺德德力印刷机械有限公司 | Cone-shaft plate installation mechanism for intaglio presses |
| CN206552893U (en) * | 2017-01-13 | 2017-10-13 | 中山市东容印刷包装有限公司 | A kind of reuse means of the useless roller of intaglio printing |
| CN206765526U (en) * | 2017-05-19 | 2017-12-19 | 温州上运制版有限公司 | A kind of easy-to-dismount combined type roller |
| CN207105876U (en) * | 2017-05-27 | 2018-03-16 | 天津市泽泰印务股份有限公司 | The rapid dismounting apparatus of printing press plate roller |
| CN209257655U (en) * | 2018-11-01 | 2019-08-16 | 大连巨通塑料制品有限公司 | Gravure printing machine sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109130457A (en) | 2019-01-04 |
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