CN104175711A - Glazing device for sheet-fed printing press - Google Patents
Glazing device for sheet-fed printing press Download PDFInfo
- Publication number
- CN104175711A CN104175711A CN201310191479.7A CN201310191479A CN104175711A CN 104175711 A CN104175711 A CN 104175711A CN 201310191479 A CN201310191479 A CN 201310191479A CN 104175711 A CN104175711 A CN 104175711A
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- Prior art keywords
- pair
- cylinder
- swing
- glazing
- roller
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- 238000007774 anilox coating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a glazing device for a sheet-fed printing press, which can avoid set-off caused by contact between printed matter and a glazing roller. The glazing device comprises the glazing roller, a driving cylinder, a clutch pressure shaft, a pair of swing arms, a pair of connecting rods, a pair of supporting shafts and a pair of swing frames. A cylinder body of the cylinder is arranged on a wallboard at one side; the clutch pressure shaft is bridged between wallboards at both the sides of the printing press; the rotating centers of the pair of swing arms are respectively connected to both ends of the clutch pressure shaft; one end of one swing arm is connected with the end of a piston rod of the cylinder; one ends of the pair of connecting rods are respectively and movably connected with the other ends of the pair of swing arms; the pair of supporting shafts are respectively fixed on the outer lateral surfaces of the wallboards at both the sides; the pair of swing frames are respectively and fixedly sleeved on bearing seats at both ends of the glazing roller; one ends of the pair of swing frames are respectively and movably connected with the other ends of the pair of connecting rods; the other ends of the pair of swing frames are respectively and rotatably connected with the pair of supporting shafts; when the piston rod of the cylinder extends and retracts, the swing frames drive the glazing roller to rotate around the supporting shafts.
Description
Technical Field
The invention relates to a varnishing unit for a sheet-fed printing press.
Background
In the existing glazing device on the printing machine, the way of clutch pressing between the glazing roller 52 and the impression roller 53 mainly adopts the structure of an eccentric bearing, the glazing roller 52 is arranged on the eccentric bearing 9 ', the central position of the eccentric bearing 9' is changed, the glazing roller 52 can be separated from the impression roller 53 by a certain distance, and when the printed matter 55 is not glazed, the printed matter 55 can smoothly pass through a glazing color group. Since this varnishing apparatus is limited by the magnitude of the eccentricity of the eccentric bearing 9', the amount of separation L1 between the varnishing cylinder 52 and the impression cylinder 53 is small (see fig. 1). When the printed matter 55 passes through, the printed matter 55 is likely to contact with the varnishing cylinder 52, so that the printed matter 55 is prone to generate printing faults such as smearing and the like, and in addition, because the ink of the printed matter is not completely dried, if the printed matter contacts with the varnishing cylinder, the surface of the varnishing cylinder is stuck with the ink, so that the printed matter printed behind generates printing faults such as double images and the like, and the varnishing cylinder needs to be cleaned frequently, so that the printing machine cannot perform continuous printing, and the working efficiency of the printing machine is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a glazing device for a sheet-fed printing press, which can increase the distance between a glazing roller and an impression roller when a printed product is not subjected to glazing treatment, so that the printed product is prevented from contacting the glazing roller to cause smearing printing faults when passing through a glazing color group.
The purpose of the invention is realized as follows: a glazing device for a sheet-fed printing machine comprises a glazing roller, wherein a bearing and a bearing seat are respectively arranged on roller shafts at two ends of the glazing roller; wherein the cylinder is positioned outside a side wall plate of the printing machine in a mode that a piston rod of the cylinder is punched down, and a cylinder body is installed on the side wall plate; the clutch pressure shaft is bridged between two side wall plates of the printing machine, and two ends of the clutch pressure shaft respectively extend to the outer sides of the wall plates; the rotating centers of the pair of swing arms are connected to two ends of the clutch pressing shaft in a one-to-one correspondence manner, and one end of one swing arm is connected with the end of the piston rod of the cylinder; one ends of the pair of connecting rods are movably connected with the other ends of the pair of swing arms in a one-to-one correspondence manner; the pair of support shafts are fixed on the outer side surfaces of the two side wall plates in a one-to-one correspondence manner; the pair of swing frames are fixedly sleeved on the bearing seats at the two ends of the glazing roller in a one-to-one correspondence manner, one ends of the pair of swing frames are movably connected with the other ends of the pair of connecting rods, and the other ends of the pair of swing frames are rotatably connected with the pair of supporting shafts in a one-to-one correspondence manner; when the piston rod of the air cylinder stretches, the swing frame drives the glazing roller to rotate around the supporting shaft.
The glazing device for the sheet-fed printing press further comprises an eccentric shaft which is rotatably mounted on a side wall plate corresponding to the cylinder, and the eccentric shaft is connected with the cylinder body of the cylinder through a first cylinder joint.
The glazing device for the sheet-fed printing press is characterized in that the end of the piston rod of the air cylinder is connected with one end of the swing arm through a second air cylinder joint.
In the glossing device for the sheet-fed printing press, two ends of the pair of connecting rods are movably connected with the other ends of the pair of swing arms and one end of the pair of swing frames in a one-to-one correspondence manner through a connecting pin.
The technical scheme of the glazing device for the sheet-fed printing machine adopts a structure capable of greatly adjusting the center distance between a glazing roller and an impression roller, the structure is controlled by a cylinder, and a certain distance between the glazing roller and the impression roller is realized through a series of link mechanisms connected with the cylinder. When the printed matter is not subjected to glazing treatment, the cylinder extends out for a longer stroke, the glazing roller is separated from the impression roller by a larger distance, and printing faults such as smearing and the like caused by the fact that the surface of the printed matter is in contact with the glazing roller due to the fact that the distance between the glazing roller and the impression roller is smaller when the printed matter passes through are avoided. The glazing device for the sheet-fed printing machine can keep the glazing roller clean, so that the printing machine can continuously print, and the working efficiency of the printing machine is improved.
Drawings
FIG. 1 is a schematic view of a prior art glossing unit for a sheet-fed printing press;
FIG. 2 is a schematic view showing the construction of a glossing device for a sheet-fed printing press according to the present invention;
FIG. 3 is a sectional view taken along line A-A in FIG. 2;
fig. 4 is a schematic view showing a state where the glossing device for a sheet-fed printing press of the present invention is not performing a glossing process.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings by way of specific embodiments.
Referring to fig. 2 to 4, a glossing device for a sheet-fed printing press according to the present invention includes a glossing roller 52, an eccentric shaft 1, a driving cylinder 3, a clutch pressing shaft 11, a pair of swing arms 6, a pair of connecting rods 4, a pair of supporting shafts 10, and a pair of swing frames 7; wherein,
the two ends of the roll shaft of the glazing roller 52 are respectively provided with a bearing 9 and a bearing seat 8;
the eccentric shaft 1 is rotatably arranged on a side wall plate 50 of the printing machine, the eccentric shaft 1 is composed of three sections, the head section and the tail section of the eccentric shaft 1 are coaxial, and the middle section is not coaxial with the head section and the tail section;
the cylinder 3 adopts a cylinder with a large stroke, the cylinder 3 is positioned on the outer side of a side wall plate 50 corresponding to the eccentric shaft 1 in a mode that a piston rod of the cylinder 3 is punched down, and the bottom of a cylinder body of the cylinder 3 is connected to the middle section of the eccentric shaft 1 through a first cylinder joint 2;
the clutch pressure shaft 11 is bridged between the two side wall plates 50, and two ends of the clutch pressure shaft respectively extend to the outer sides of the wall plates 50;
the rotating centers of the pair of swing arms 6 are connected to two ends of the clutch pressure shaft 11 in a one-to-one correspondence manner, and one end of one swing arm 6 is connected with the end of the piston rod of the cylinder 3 through the second cylinder joint 5 and the connecting pin 12;
one ends of the pair of connecting rods 4 are movably connected with the other ends of the pair of swing arms 6 in a one-to-one correspondence manner through connecting pins 12;
a pair of support shafts 10 are fixed on the outer side surfaces of the two side wall plates 50 in a one-to-one correspondence manner;
a pair of swing frames 7 are fixedly sleeved on the bearing seats 8 at two ends of the glazing roller 52 in a one-to-one correspondence manner, one ends of the pair of swing frames 7 are respectively movably linked with the other ends of the pair of connecting rods 4 in a one-to-one correspondence manner through connecting pins 12, and the other ends of the pair of swing frames 7 are rotatably connected with the pair of supporting shafts 10 in a one-to-one correspondence manner.
When the piston rod of the cylinder 3 extends, the swing frame 7 drives the glazing roller 52 to rotate around the supporting shaft 10.
The varnishing unit for a sheet-fed printing press according to the present invention operates on the principle that the motive force for the varnishing cylinder 52 to leave the impression cylinder 53 is the cylinder 3. When the printed matter 55 needs to be glossed, the piston rod of the cylinder 3 is retracted to bring the glossing cylinder 52 into contact with the impression cylinder 53, and the printed matter 55 is brought into contact with the glossing cylinder 52 and the glossing unit while traveling. The contact pressure of the varnishing cylinder 52 with the impression cylinder 53 can be adjusted by means of the eccentric shaft 1 to accommodate prints 55 of different thickness. When the printed matter 55 is not subjected to glazing treatment, the piston rod of the air cylinder 3 extends out to enable the glazing roller 52 to be away from the impression roller 53, and because the air cylinder with a large stroke is adopted in the invention, a large avoiding amount L (shown in figure 4) is generated between the glazing roller 52 and the impression roller 53, and the avoiding amount L is larger than the avoiding amount L1 between the glazing roller 52 and the impression roller 53 in the glazing device in the prior art, the distance between the glazing roller 52 and the impression roller 53 is changed by changing the stroke of the air cylinder 3, and the middle roller 54 and the anilox roller 51 are not interfered, so that the printed matter 55 can smoothly pass through the glazing color group without contacting the glazing roller 52, and printing faults such as smearing and the like of the printed matter 55 are avoided.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (4)
1. A glazing device for a sheet-fed printing machine comprises a glazing roller, wherein a bearing and a bearing seat are respectively arranged on roller shafts at two ends of the glazing roller; wherein,
the cylinder is positioned on the outer side of one side wall plate of the printing machine in a mode that a piston rod of the cylinder is punched down, and a cylinder body is installed on the side wall plate;
the clutch pressure shaft is bridged between two side wall plates of the printing machine, and two ends of the clutch pressure shaft respectively extend to the outer sides of the wall plates;
the rotating centers of the pair of swing arms are connected to two ends of the clutch pressing shaft in a one-to-one correspondence manner, and one end of one swing arm is connected with the end of the piston rod of the cylinder;
one ends of the pair of connecting rods are movably connected with the other ends of the pair of swing arms in a one-to-one correspondence manner;
the pair of support shafts are fixed on the outer side surfaces of the two side wall plates in a one-to-one correspondence manner;
the pair of swing frames are fixedly sleeved on the bearing seats at the two ends of the glazing roller in a one-to-one correspondence manner, one ends of the pair of swing frames are movably connected with the other ends of the pair of connecting rods, and the other ends of the pair of swing frames are rotatably connected with the pair of supporting shafts in a one-to-one correspondence manner;
when the piston rod of the air cylinder stretches, the swing frame drives the glazing roller to rotate around the supporting shaft.
2. A glossing unit for a sheet-fed printing press according to claim 1, further comprising an eccentric shaft rotatably mounted on a side wall plate corresponding to the cylinder, the eccentric shaft being connected to the cylinder body of the cylinder through a first cylinder joint.
3. A glossing device for a sheet-fed printing press according to any one of claims 1 and 2, wherein an end of a piston rod of the cylinder is connected to one end of the swing arm through a second cylinder joint.
4. A glossing device for a sheet-fed printing press according to claim 1, wherein both ends of the pair of links are movably connected to the other ends of the pair of swing arms and one ends of the pair of swing frames in one-to-one correspondence by a connecting pin, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191479.7A CN104175711B (en) | 2013-05-22 | 2013-05-22 | A kind of glazing device for sheet-fed press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191479.7A CN104175711B (en) | 2013-05-22 | 2013-05-22 | A kind of glazing device for sheet-fed press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104175711A true CN104175711A (en) | 2014-12-03 |
| CN104175711B CN104175711B (en) | 2016-11-23 |
Family
ID=51957199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310191479.7A Active CN104175711B (en) | 2013-05-22 | 2013-05-22 | A kind of glazing device for sheet-fed press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104175711B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599462A (en) * | 2015-12-18 | 2016-05-25 | 天津长荣印刷设备股份有限公司 | Narrow single paper glazing ink-jet coding platform and working method thereof |
| CN106379043A (en) * | 2016-08-31 | 2017-02-08 | 浙江美格机械股份有限公司 | Gravure digital integral printing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164469A (en) * | 1996-05-03 | 1997-11-12 | 北人印刷机械股份有限公司 | Cylinder clutch pressure device for printing machine |
| CN2524923Y (en) * | 2002-02-22 | 2002-12-11 | 上海海润印刷机械有限公司 | Plate cylinder clutch press mechanism for unit type double colour gravure press |
| CN2748263Y (en) * | 2004-11-10 | 2005-12-28 | 王继成 | Closing and pressing device of offset printer |
| CN201128267Y (en) * | 2007-12-13 | 2008-10-08 | 河南新机股份有限公司 | Engagement and disengagement device for press |
| CN201604344U (en) * | 2009-12-17 | 2010-10-13 | 上海光华印刷机械有限公司 | Pneumatic on-off pressure mechanism of printing machine |
| CN201784237U (en) * | 2010-09-07 | 2011-04-06 | 高斯图文印刷系统（中国）有限公司 | Roller engaging and disengaging gear of offset printing machine |
-
2013
- 2013-05-22 CN CN201310191479.7A patent/CN104175711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164469A (en) * | 1996-05-03 | 1997-11-12 | 北人印刷机械股份有限公司 | Cylinder clutch pressure device for printing machine |
| CN2524923Y (en) * | 2002-02-22 | 2002-12-11 | 上海海润印刷机械有限公司 | Plate cylinder clutch press mechanism for unit type double colour gravure press |
| CN2748263Y (en) * | 2004-11-10 | 2005-12-28 | 王继成 | Closing and pressing device of offset printer |
| CN201128267Y (en) * | 2007-12-13 | 2008-10-08 | 河南新机股份有限公司 | Engagement and disengagement device for press |
| CN201604344U (en) * | 2009-12-17 | 2010-10-13 | 上海光华印刷机械有限公司 | Pneumatic on-off pressure mechanism of printing machine |
| CN201784237U (en) * | 2010-09-07 | 2011-04-06 | 高斯图文印刷系统（中国）有限公司 | Roller engaging and disengaging gear of offset printing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105599462A (en) * | 2015-12-18 | 2016-05-25 | 天津长荣印刷设备股份有限公司 | Narrow single paper glazing ink-jet coding platform and working method thereof |
| CN106379043A (en) * | 2016-08-31 | 2017-02-08 | 浙江美格机械股份有限公司 | Gravure digital integral printing machine |
| CN106379043B (en) * | 2016-08-31 | 2018-07-06 | 浙江美格机械股份有限公司 | Intaglio plate number integral type printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104175711B (en) | 2016-11-23 |
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Effective date of registration: 20151210 Address after: 223802 Jiangsu Province, Suqian City Industrial Park Road on the west side of sankeshu Township Economic and Technological Development Zone (Suqian red dream mattress factory building 2) Applicant after: Guanghua Machinery Manufacturing Limited by Share Ltd Address before: 200436, No. 520, true road, Baoshan District, Shanghai Applicant before: Shanghai Guanghua Printing Machine Co., Ltd. |
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Effective date of registration: 20160627 Address after: 223621 Suqian city of Jiangsu Province three industrial park road Suqian economic and Technological Development Zone on the west side of Zhu Village Zhao Zhuangzu Applicant after: Jiangsu Sino German Packaging Machinery Co., Ltd. Address before: 223802 Jiangsu Province, Suqian City Industrial Park Road on the west side of sankeshu Township Economic and Technological Development Zone (Suqian red dream mattress factory building 2) Applicant before: Guanghua Machinery Manufacturing Limited by Share Ltd |
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Effective date of registration: 20211203 Address after: 223800 No. 1777, Dongwu Road, Suqian Economic and Technological Development Zone, Suqian City, Jiangsu Province Patentee after: Jiangsu Zhongpu Intelligent Manufacturing Co.,Ltd. Address before: 223621 Zhaozhuang group, Zhuzhuang village, west side of sankeshu Industrial Park Road, Suqian Economic and Technological Development Zone, Suqian City, Jiangsu Province Patentee before: JIANGSU ZHONGDE PACKING MACHINERY CO.,LTD. |
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| TR01 | Transfer of patent right |