CN114347634B - Printing machine version roller inflatable structure - Google Patents
Printing machine version roller inflatable structure Download PDFInfo
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- CN114347634B CN114347634B CN202111586422.8A CN202111586422A CN114347634B CN 114347634 B CN114347634 B CN 114347634B CN 202111586422 A CN202111586422 A CN 202111586422A CN 114347634 B CN114347634 B CN 114347634B
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- piston
- inflating
- sleeve
- support
- cylinder
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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a printing roller inflating structure of a printing machine, which comprises a support fixed on a printing roller motor seat and an inflating sleeve with an air inlet fixed on a printing roller mandrel, wherein an inflating cylinder is fixed above the support, an inflating channel is arranged at the center of a piston of the inflating cylinder, the lower end of the piston of the inflating cylinder extends out of the support, when the piston of the inflating cylinder is in an extending state, the lower end of the piston of the inflating cylinder is in contact with the inflating sleeve, and an inflating port on the inflating sleeve is correspondingly arranged with the inflating channel. The invention discloses a printing press plate roller inflatable structure, which solves the problems that in the prior art, when rotating at a high speed, a thrust bearing cannot bear radial force and is easy to overheat, and a lip-shaped sealing ring in an inflatable sleeve heats to cause severe heating of a mandrel, so that the printing quality is affected.
Description
Technical Field
The invention belongs to the technical field of printers, and relates to a printing press plate roller inflatable structure.
Background
The flexographic printing machine plate roller mandrel is one of the core parts of the printing machine, when the machine runs at high speed, the motor runs to generate heat and the heat generated by sealing the inflatable sleeve is transferred to the mandrel, and the mandrel generates heat to expand the printing plate, so that the printing quality is influenced, and the service life of the printing plate is reduced. The existing plate roller mandrel inflatable structure is characterized in that an inflatable sleeve is fixed on a plate roller motor seat, a thrust bearing is arranged in the inflatable sleeve to axially position a mandrel, and the inflatable sleeve is sealed by a lip-shaped sealing ring. However, when rotating at a high speed, the thrust bearing cannot bear radial force and is easy to overheat, and the lip-shaped sealing ring in the air inflation sleeve heats up to cause severe heating of the mandrel, so that the printing quality is affected.
Disclosure of Invention
The invention aims to provide a printing press plate roller air charging structure, which solves the problems that in the prior art, when rotating at a high speed, a thrust bearing cannot bear radial force and is easy to overheat, and a lip-shaped sealing ring in an air charging sleeve heats to cause serious heating of a mandrel, so that the printing quality is affected.
The technical scheme includes that the printing roller inflating structure of the printing machine comprises a support fixed on a printing roller motor seat and an inflating sleeve with an air inlet fixed on a printing roller mandrel, an inflating cylinder is fixed above the support, an inflating channel is arranged at the center of a piston of the inflating cylinder, the lower end of the piston of the inflating cylinder extends out of the support, when the piston of the inflating cylinder is in an extending state, the lower end of the piston of the inflating cylinder is in contact with the inflating sleeve, and an inflating port on the inflating sleeve is arranged corresponding to the inflating channel.
The present invention is also characterized in that,
The support sets up to fall L-shaped plate structure, and the side of support falling L-shaped is fixed on version roller motor cabinet, and the top at falling L-shaped is fixed to the gas cylinder.
The inflatable cylinder comprises a cylinder sleeve fixed above a support, a gland is arranged at the other end of the cylinder sleeve, a cylinder sleeve cavity is formed among the inner wall of the cylinder sleeve, the bottom surface of the support and the upper surface of the gland, a piston is arranged in the cylinder sleeve and is in a three-step shape, the outer side wall of a middle step of the piston is matched with the inner side wall of the cylinder sleeve, the diameters of steps at two ends of the piston are smaller than those of the middle step, the two ends of the piston respectively extend out of the top of the support and the gland, an inflatable channel penetrating the piston is arranged in the piston along the sliding direction of the piston, a spring is sleeved on the part, close to one end step of the support, of the piston between the top of the support and the middle step, and when the piston is in an extending state, the lower end of the piston is in contact with the inflatable sleeve.
An air inlet connector a is connected to the corresponding air charging channel at one end of the piston, which is far away from the air charging sleeve, an air inlet connector b is arranged on the gland, an air inlet channel which leads to the space between the gland and the middle step of the piston is arranged in the gland, and the air inlet connector b is communicated with the air inlet channel.
The one end that the cover was kept away from to the piston still installs the detection support, and air inlet joint a passes the detection support and connects the passageway of aerifing, still is provided with U type groove type photoelectric switch on the gland, and detection support is provided with the recess near one side of U type groove type photoelectric switch, and one side of U type groove type photoelectric switch stretches into in the recess that detection support corresponds.
A sealing ring is arranged at the joint of the piston and the cylinder sleeve, and a sealing ring is arranged at the joint of the piston and the gland.
A sleeve is sleeved at one end of the piston, which is close to the support, a spring is sleeved on the sleeve, and an O-shaped ring b is arranged between the end face of one end of the piston, which extends out of the support, and the sleeve.
Two groups of O-shaped rings a are arranged at the contact surface of the air charging sleeve and the outer circle surface of the plate roller mandrel.
The gland and the support are fixedly connected by screws.
The beneficial effects of the invention are as follows:
According to the printing plate roller inflating structure, the inflating position of the plate roller is changed, the spring, the piston and other structures are utilized, when the plate roller is inflated, the spring drives the piston to move, when the piston is contacted with the sealing sleeve, the air inlet on the inflating sleeve is used for inflating the inflating sleeve, the air outlet of the inflating sleeve corresponds to the inflating nozzle on the plate roller mandrel, the plate roller mandrel is inflated, the inflating hole on the plate roller motor seat is not needed to be inflated, and the influence of the printing quality caused by jumping of the plate roller mandrel due to sealing and heating of the bearing at the position of the plate roller motor and the inflating sleeve under high-speed operation is reduced.
Drawings
FIG. 1 is a schematic view of a printing press plate roller inflatable structure according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a diagram showing the cooperation of a U-shaped groove type photoelectric switch and a detection bracket in the printing roller inflatable structure of the invention.
In the figure, a support, a gas charging sleeve, a cylinder sleeve, a gland, a spring, a sleeve, a piston, a 8.O type ring a, a 9.U type groove photoelectric switch, a plate roller motor seat, a plate roller core shaft, a gas inlet joint a, a gas inlet joint b, a gas inlet joint 14, a detection support, a 15 type O ring b, a sleeve, a 17 type gas charging channel and a screw.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
The invention relates to an inflating structure of a printing press plate roller, which is shown in figure 1 and comprises a support 1 fixed on a motor seat 10 of the plate roller and an inflating sleeve 2 with an air inlet fixed on a mandrel 11 of the plate roller, wherein a sleeve 16 is arranged on the outer side of the mandrel 11 of the plate roller, the inner wall of the sleeve 16 is elastic, the mandrel 11 of the plate roller is held tightly by virtue of elastic force, an inflating cylinder is fixed above the support 1, an inflating channel 17 is arranged in the center of a piston of the inflating cylinder, the lower end of the piston of the inflating cylinder extends out of the support 1, when the piston of the inflating cylinder is in an extending state, the lower end of the piston of the inflating cylinder is in contact with the inflating sleeve 2, and an inflating port on the inflating sleeve 2 is arranged corresponding to the inflating channel 17.
The support 1 is arranged into an inverted L-shaped plate-shaped structure, the inverted L-shaped side surface of the support 1 is fixed on the plate roller motor base 10, and the inflatable cylinder is fixed above the inverted L-shaped top.
The inflatable cylinder comprises a cylinder sleeve 3 fixed above a support 1, a gland 4 is arranged at the other end of the cylinder sleeve 3, a cylinder sleeve 3 cavity is formed among the inner wall of the cylinder sleeve 3, the bottom surface of the support 1 and the upper surface of the gland 4, a piston 7 is arranged in the cylinder sleeve 3, the piston 7 is arranged into a three-step shape, the outer side wall of the middle step of the piston 7 is matched with the inner side wall of the cylinder sleeve 3, the diameter of the steps at the two ends of the piston 7 is smaller than that of the middle step, the two ends of the piston 7 respectively extend out of the top of the support 1 and the gland 4, an inflatable channel 17 penetrating through the piston 7 is arranged in the piston 7 along the sliding direction of the piston 7, a spring 5 is sleeved on the part, which is close to one end step of the support 1 and is positioned between the top of the support 1 and the middle step, and when the piston 7 is in an extending state, the lower end of the piston 7 is in contact with the inflatable sleeve 2.
An air inlet connector a12 is connected to the position, corresponding to the air charging channel 17, of one end, away from the air charging sleeve 2, of the piston 7, and is used for charging the plate roller mandrel 11, an air inlet connector b13 is arranged on the gland 4, an air inlet channel leading to the space between the gland 4 and the middle step of the piston 7 is arranged in the gland 4, the air inlet connector b13 is communicated with the air inlet channel, and the air inlet connector b13 is used for charging air in the cylinder sleeve 3 and pushing the piston 7 to move downwards.
The one end that piston 7 kept away from the cover 2 that aerifys still installs detection support 14, and air inlet joint a12 passes detection support 14 and connects the inflation passageway 17, still is provided with U type groove type photoelectric switch 9 on the gland 4, and detection support 14 is close to U type groove type photoelectric switch 9's one side is provided with the recess, and U type groove type photoelectric switch 9's one side stretches into in the recess that detection support 14 corresponds.
The sealing ring is arranged at the joint of the piston 7 and the cylinder sleeve 3, and the sealing ring is arranged at the joint of the piston 7 and the gland 4.
The piston 7 is close to one end of the support 1 and is sleeved with a sleeve 6, the spring 5 is sleeved on the sleeve 6, and an O-shaped ring b15 is arranged between the end face of one end of the piston 7 extending out of the support 1 and the sleeve 6.
Two groups of O-shaped rings a8 are arranged at the contact surface of the air charging sleeve 2 and the outer circle surface of the plate roller mandrel 11.
The gland 4 is fixedly connected with the support 1 through screws 18, and compresses the cylinder sleeve 3 to ensure the inner sealing of the cylinder sleeve 3.
The invention relates to a printing press plate roller inflatable structure, which has the following working principle:
When the printing is performed, the plate roller mandrel 11, the air charging sleeve 2 and the sleeve 16 fixed on the plate roller mandrel 11 and the sleeve 16 are operated at a high speed, the piston 7 is lifted under the action of the spring 5, namely, the piston 7 is not in contact with the air charging sleeve 2, after the printing is finished, the sleeve 16 is required to be dismounted or replaced, the plate roller mandrel 11 stops at a replacement position, an air inlet on the air charging sleeve 2 is opposite to an air charging channel of the piston 7, an air inlet connector b13 is used for air inlet, the piston 7 is pushed to compress the spring 5 and is tightly pressed on the air charging sleeve 2, at the moment, an air inlet connector a12 is used for air inlet, air enters the plate roller mandrel 11 and expands the sleeve 16, the sleeve 16 is dismounted or replaced, the piston 7 drives the detection bracket 14 to move downwards, the U-shaped groove photoelectric switch 9 detects the detection bracket 14, the air inlet connector b13 is disconnected after the sleeve 16 is dismounted, the piston 7 is retracted under the action of the spring 5, the detection bracket 14 is separated from the U-shaped groove photoelectric switch 9, and the plate roller mandrel 11 can rotate, thereby playing a role of safety protection.
Claims (7)
1. The printing roller inflating structure of the printing machine is characterized by comprising a support (1) fixed on a printing roller motor seat (10) and an inflating sleeve (2) with an air inlet fixed on a printing roller mandrel (11), an inflating cylinder is fixed above the support (1), an inflating channel (17) is arranged at the center of a piston of the inflating cylinder, the lower end of the piston of the inflating cylinder extends out of the support (1), when the piston of the inflating cylinder is in an extending state, the lower end of the piston of the inflating cylinder is in contact with the inflating sleeve (2), and an inflating port on the inflating sleeve (2) is correspondingly arranged with the inflating channel (17);
The inflatable cylinder comprises a cylinder sleeve (3) fixed above the support (1), a gland (4) is arranged at the other end of the cylinder sleeve (3), an inflatable channel (17) penetrating through the piston (7) is arranged in the piston (7) along the sliding direction of the piston (7), a piston (7) is arranged in the cylinder sleeve (3), the piston (7) is arranged in a three-step shape, the outer side wall of the middle step of the piston (7) is matched with the inner side wall of the cylinder sleeve (3), the diameters of steps at the two ends of the piston (7) are smaller than those of the middle step, the two ends of the piston (7) extend out of the top of the support (1) and the gland (4) respectively, an inflatable channel (17) penetrating through the piston (7) is arranged in the piston (7) along the sliding direction of the piston, a part, which is positioned between the top of the support (1) and the middle step, of the piston (7) is close to the one end step of the support (1) is sleeved with a spring (5), and when the piston (7) is in an extending state, the lower end of the piston (7) contacts the inflatable sleeve (2);
The piston (7) is far away from an air charging channel (17) corresponding to one end of the air charging sleeve (2) and is connected with an air inlet connector a (12), an air inlet connector b (13) is arranged on the gland (4), an air inlet channel leading to a space between the gland (4) and the middle step of the piston (7) is arranged in the gland (4), and the air inlet connector b (13) is communicated with the air inlet channel.
2. The printing press plate roller air charging structure according to claim 1, wherein the support (1) is of an inverted-L-shaped plate structure, the inverted-L-shaped side surface of the support (1) is fixed on the plate roller motor base (10), and the air charging cylinder is fixed above the inverted-L-shaped top.
3. The printing press plate roller inflating structure according to claim 1, wherein one end of the piston (7) far away from the inflating sleeve (2) is further provided with a detecting support (14), the air inlet connector a (12) penetrates through the detecting support (14) to be connected with the inflating channel (17), the gland (4) is further provided with a U-shaped groove type photoelectric switch (9), one side, close to the U-shaped groove type photoelectric switch (9), of the detecting support (14) is provided with a groove, and one side, corresponding to the detecting support (14), of the U-shaped groove type photoelectric switch (9) stretches into the groove.
4. The printing press plate roller inflating structure according to claim 1, wherein a sealing ring is arranged at the matching position of the piston (7) and the cylinder sleeve (3), and a sealing ring is arranged at the matching position of the piston (7) and the gland (4).
5. The printing press plate roller inflating structure according to claim 1, wherein a sleeve (6) is sleeved at one end of the piston (7) close to the support (1), the spring (5) is sleeved on the sleeve (6), and an O-shaped ring b (15) is arranged between the end face of one end of the piston (7) extending out of the support (1) and the sleeve (6).
6. The printing press plate roller inflating structure according to claim 1, wherein two groups of O-shaped rings a (8) are arranged at the contact surface of the inflating sleeve (2) and the outer circle surface of the plate roller mandrel (11).
7. A press cylinder inflatable structure according to claim 1, characterized in that the press cover (4) and the support (1) are fixedly connected by means of screws (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586422.8A CN114347634B (en) | 2021-12-20 | 2021-12-20 | Printing machine version roller inflatable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586422.8A CN114347634B (en) | 2021-12-20 | 2021-12-20 | Printing machine version roller inflatable structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114347634A CN114347634A (en) | 2022-04-15 |
| CN114347634B true CN114347634B (en) | 2024-05-14 |
Family
ID=81100980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111586422.8A Active CN114347634B (en) | 2021-12-20 | 2021-12-20 | Printing machine version roller inflatable structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN114347634B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801424B (en) * | 2022-05-31 | 2023-12-12 | 陕西北人印刷机械有限责任公司 | Control method for disassembling flexible printing sleeve |
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| CN112693219A (en) * | 2020-12-28 | 2021-04-23 | 陕西北人印刷机械有限责任公司 | Pneumatic chuck device suitable for printing roller transmission of printing machine and using method thereof |
| CN213649085U (en) * | 2020-09-16 | 2021-07-09 | 江苏东升胶辊制造有限公司 | Rubber roller convenient to fix |
| JP2021187051A (en) * | 2020-05-29 | 2021-12-13 | 東レ株式会社 | Plate surface temperature control device and method for manufacturing printed matter |
-
2021
- 2021-12-20 CN CN202111586422.8A patent/CN114347634B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI934636A0 (en) * | 1993-10-20 | 1993-10-20 | Valmet Paper Machinery Inc | ISOLERINGSANORDNING OCH ISOLERINGSSTYCKE FOER MANTELN TILL TERMOVALS |
| DE10302877A1 (en) * | 2003-01-25 | 2004-08-05 | Baldwin Germany Gmbh | Driving method for power supply of printing machine, by cooling the waste heat of combustion engine to keep temperature of revolving bodies, secondary heat exchanger, the main housing, and liquid or gaseous media, within moderate range |
| CN2701628Y (en) * | 2004-06-04 | 2005-05-25 | 李智 | Printing plate roller |
| EP1745929A1 (en) * | 2005-07-21 | 2007-01-24 | Fischer & Krecke GmbH & Co. KG | Printing machine |
| EP2047991A2 (en) * | 2007-10-11 | 2009-04-15 | manroland AG | Thermal air drying device and method for drying a printed item |
| CN201217296Y (en) * | 2008-06-11 | 2009-04-08 | 宁波欣达印刷机器有限公司 | Press roll apparatus of gravure press |
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| JP2021187051A (en) * | 2020-05-29 | 2021-12-13 | 東レ株式会社 | Plate surface temperature control device and method for manufacturing printed matter |
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| Publication number | Publication date |
|---|---|
| CN114347634A (en) | 2022-04-15 |
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