CN201201355Y - Pneumatic clutch press mechanism of printing press cylinder - Google Patents
Pneumatic clutch press mechanism of printing press cylinder Download PDFInfo
- Publication number
- CN201201355Y CN201201355Y CNU2008200241879U CN200820024187U CN201201355Y CN 201201355 Y CN201201355 Y CN 201201355Y CN U2008200241879 U CNU2008200241879 U CN U2008200241879U CN 200820024187 U CN200820024187 U CN 200820024187U CN 201201355 Y CN201201355 Y CN 201201355Y
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- China
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- worm gear
- gear eccentric
- camshaft bearing
- wallboard
- contained
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Abstract
The utility model discloses a roller pneumatic on-off pressure mechanism for a printing machine. The roller pneumatic on-off pressure mechanism comprises two rubber rollers arranged on two wall boards, wherein both of the two ends of each rubber roller are provided with a cam bearing bush. The cam bearing bushes are suspended through the support from upper worm eccentric devices, lower worm eccentric devices, and elastic supporting devices which are arranged symmetrically on the two wall boards and around the cam bearing bushes. The end faces of the two cam bearing bushes are hinged with a pneumatic on-off pressure mechanism, respectively. The roller pneumatic on-off pressure mechanism for the printing machine has the advantages of simple structure, low requirement on accuracy of part processing and convenient installation and adjustment.
Description
Technical field
The utility model relates to a kind of cylinders of printing press air clutch press mechanism.
Background technology
On the two ends axle journal of offset press blanket cylinder double-deck eccentric bushing is housed respectively at present, blanket cylinder is contained on the wallboard by double-deck eccentric bushing.Double-deck eccentric bushing is made of the outer eccentric bushing and the interior eccentric bushing that are sleeved on together, and outer eccentric bushing is used to adjust the distance between blanket cylinder and plate cylinder, impression cylinder, wastes time and energy during adjustment.Interior eccentric bushing is used for clutch presses, and clutch is pressed the interior eccentric bushing realization clutch of installing on the dependence cam link transmission mechanism adjusting blanket cylinder to press and done requirement.Cam link transmission mechanism complex structure, adjustment difficulty, the manufacturing cost height.And printing machine adopts double-deck eccentric bushing, and outer eccentric bushing and interior eccentric bushing fit clearance require very high, and its accuracy of manufacture requires also high, has all increased a lot of difficulties for like this machining of parts and the manufacturing installation of printing machine.After the use of printing length time, eccentric bushing weares and teares easily, makes cylinder become big from the value of allowing, and is difficult to produce high-grade printed matter.
The utility model content
The technical problems to be solved in the utility model is at above-mentioned defective, provide a kind of simple in structure, the part processing precision requirement is low, a kind of cylinders of printing press air clutch press mechanism easy to adjust is installed.
In order to solve the problems of the technologies described above, the utility model provides a kind of cylinders of printing press air clutch press mechanism of following structure, comprise and be contained in two blanket cylinders on the wallboard, its design feature is: on the axle journal of described blanket cylinder two ends the camshaft bearing sleeve is housed respectively, the camshaft bearing sleeve is symmetricly set on two blocks of wallboards and the worm gear eccentric that is periphery on camshaft bearing sleeve periphery, worm gear eccentric and resilient support device suspension support are lived down, and each presses driving mechanism hinged with air clutch on the end face of two camshaft bearing sleeves.
Described air clutch pressure driving mechanism comprises the clutch pressure connecting rod on the end face that is hinged on two camshaft bearing sleeves respectively, two clutches press the connecting rod other end respectively to be hinged with swing arm, two swing arms are fixed in the two ends of the power transmission shaft that is contained on the wallboard and can rotates respectively, the other end and the double stroke cylinder of one of them swing arm are hinged, and double stroke cylinder is hinged on the wallboard.
The described worm gear eccentric of going up comprises the axle sleeve that is contained on the wallboard, be contained in the worm gear eccentric shaft on the axle sleeve, be contained in the support rollers on the worm gear eccentric shaft, support rollers contacts with the camshaft bearing cover, worm gear eccentric shaft and the worm engaging that is contained on the wallboard, following worm gear eccentric is identical with last worm gear eccentric structure.
Regulate the distance between blanket cylinder and the impression cylinder for convenience, guarantee the depth of parallelism between blanket cylinder and the impression cylinder, be connected with the gravity accelerometer on the worm screw of described upward worm gear eccentric, concrete regulated quantity size can be read from the dial plate of gravity accelerometer
Described resilient support device comprises slide and the threaded block that is fixed on the wallboard, slidable slide block is housed on the slide, support roller rotation and that contact with the camshaft bearing cover is housed on the slide block, be bolted with thread bush on the threaded block, being equipped with in the thread bush can be along the guide pillar of thread bush slip, the other end of guide pillar is fixed on the slide block, and guide pillar is set with helical spring on the portion's section between slide block and the thread bush.
The cylinders of printing press air clutch press mechanism of said structure, distance between blanket cylinder and plate cylinder, impression cylinder can be easily by adjusting down the worm gear eccentric and last worm gear eccentric is realized, the defective that has wasted time and energy when having avoided double-deck eccentric bushing of the prior art to adjust, it is easier that installation is adjusted, the machining accuracy of each parts does not need too high, and the resilient support device can make blanket cylinder be in stable state all the time; Clutch is pressed by air clutch and is pressed driving mechanism to realize, promptly being driven swing arm and driven clutch by power transmission shaft by double stroke cylinder presses connecting rod driving cam bearing holder (housing, cover) to realize, this structure is simple in structure with cam link transmission mechanism of the prior art relatively, and cost of manufacture is low.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:
Fig. 1 is that the utility model removes the structural representation that air clutch is pressed driving mechanism from the operating surface direction projection;
Fig. 2 is that the utility model removes the structural representation that air clutch is pressed driving mechanism from the driving face direction projection;
Fig. 3 is the partial sectional view of Fig. 1 along the A-A line;
Fig. 4 is the partial sectional view of Fig. 1 along the B-B line;
Fig. 5 is the partial sectional view of Fig. 1 along the C-C line;
Fig. 6 is the perspective view that the utility model removes wallboard, plate cylinder and impression cylinder.
The specific embodiment
As Fig. 1, Fig. 2 and cylinders of printing press air clutch press mechanism shown in Figure 6, comprise that being contained in two blocks of wallboards is blanket cylinder 1 on operating surface wallboard 19 and the driving face wallboard 20, the side top of blanket cylinder 1 is a plate cylinder 21, the side-lower of blanket cylinder 1 is an impression cylinder 22, on the blanket cylinder 1 two ends axle journal camshaft bearing sleeve 2 is housed respectively, camshaft bearing sleeve 2 passes the outside that is exposed at two blocks of wallboards behind the installing hole of diameter greater than camshaft bearing sleeve 2 on operating surface wallboard 19 and the driving face wallboard 20, respectively is fixed with the last worm gear eccentric of position correspondence on operating surface wallboard 19 and the driving face wallboard 20, following worm gear eccentric and resilient support device.Blanket cylinder 1 is lived by three strong point suspension support that last worm gear eccentric, following worm gear eccentric and resilient support device constitute by camshaft bearing sleeve 2.Each presses driving mechanism hinged with air clutch on the end face of two camshaft bearing sleeves 2.
With reference to Fig. 1, Fig. 3 and Fig. 4, the described worm gear eccentric of going up comprises the axle sleeve 7 that is packed on the wallboard, be contained in the worm gear eccentric shaft 8 on the axle sleeve 7, be contained in the support rollers 9 on the worm gear eccentric shaft 8, support rollers 9 contacts with camshaft bearing sleeve 2, worm gear eccentric shaft 8 and worm screw 10 engagements that are contained on the wallboard, following worm gear eccentric is identical with last worm gear eccentric structure.Be connected with gravity accelerometer 11 on the worm screw 10 of last worm gear eccentric.
With reference to Fig. 1 and Fig. 5, described resilient support device comprises slide 12 and the threaded block 13 that is fixed on the wallboard, slidable slide block 14 is housed on the slide 12, support roller 15 rotation and that contact with camshaft bearing sleeve 2 is housed on the slide block 14, be bolted with thread bush 16 on the threaded block 13, being equipped with in the thread bush 16 can be along the guide pillar 17 of thread bush 16 slips, and the other end of guide pillar 17 is fixed on the slide block 14, and guide pillar 17 is set with helical spring 18 on the portion's section between slide block 14 and the thread bush 16.The pretightning force size of helical spring 18 can obtain by transferring thread bush 16.
The support rollers 9 of last worm gear eccentric will be near the intersection point of blanket cylinder 1 and impression cylinder 22 lines of centres and blanket cylinder 1 cylindrical with the contact point of camshaft bearing sleeve 2, and support rollers 9 preferably overlaps with above-mentioned intersection point with the contact point of camshaft bearing sleeve 2; The support rollers 9 of following worm gear eccentric will be near the intersection point of blanket cylinder 1 and plate cylinder 21 lines of centres and blanket cylinder 1 cylindrical with the contact point of camshaft bearing sleeve 2, and support rollers 9 preferably overlaps with above-mentioned intersection point with the contact point of camshaft bearing sleeve 2.The resilient support device is arranged on the opposite side of camshaft bearing sleeve 2 between worm gear eccentric and the following worm gear eccentric.
With reference to Fig. 6, described air clutch pressure driving mechanism comprises the clutch pressure connecting rod 3 on the end face that is hinged on two camshaft bearing sleeves 2 respectively, two clutches press connecting rod 3 other ends respectively to be hinged with swing arm 4, two swing arms 4 are fixed in the two ends of the power transmission shaft 5 that is contained on operating surface wallboard 19 and the driving face wallboard 20 and can rotates respectively, the other end and the double stroke cylinder 6 that are positioned at a swing arm 4 of operating surface one side are hinged, and double stroke cylinder 6 is hinged on the operating surface wallboard 19.
Driving worm gear eccentric shaft 8 by the worm screw 10 of rotating worm gear eccentric and following worm gear eccentric rotates, thereby change the axial location of support rollers 9, can conveniently regulate the centre-to-centre spacing of 21 of the centre-to-centre spacing of 22 of blanket cylinder 1 and impression cylinders and blanket cylinder 1 and plate cylinders.
In clutch pressure process, two support rollers 9 invariant positions support that roller 15 be can movable roller, and the active force of dependence helical spring 18 is pressed on the camshaft bearing sleeve 2 all the time.During combined pressure, under predefined programme-control, double stroke cylinder 6 two ends pistons stretch out successively, promote the swing arm 4 of operating surface one side, the swing arm 4 of operating surface one side is moved simultaneously by the swing arm 4 that power transmission shaft 5 drives driving face one side, two swing arms 4 drive two clutches and press connecting rod 3 actions, two clutches press connecting rod 3 to promote two camshaft bearing sleeves 2 respectively by rotating counterclockwise of direction as shown in Figure 1, two support rollers 9 turn to high point with the contact zone of camshaft bearing sleeve 2 by low spot, 9 pairs of camshaft bearing sleeves of two support rollers 2 produce a kind of thrust, overcome helical spring 18 pressure and cylinder deadweight promotion blanket cylinder 1 and enter the combined pressure position, combined pressure is finished; During tripping, under predefined programme-control, the piston at double stroke cylinder 6 two ends is regained successively, driving cam bearing holder (housing, cover) 2 clockwise rotates return, two support rollers 9 turn to low spot with the contact zone of camshaft bearing sleeve 2 by the height point, under helical spring 18 pressure effects, support roller 15 actuating cam bearing holder (housing, cover)s 2, finish tripping thereby make blanket cylinder 1 get back to the tripping position.
Claims (5)
1. cylinders of printing press air clutch press mechanism, comprise and be contained in two blanket cylinders (1) on the wallboard, it is characterized in that: on the axle journal of described blanket cylinder (1) two ends camshaft bearing sleeve (2) is housed respectively, camshaft bearing sleeve (2) is symmetricly set on two blocks of wallboards and is periphery to live in the last worm gear eccentric of camshaft bearing sleeve (2) periphery, following worm gear eccentric and resilient support device suspension support, and each presses driving mechanism hinged with air clutch on the end face of two camshaft bearing sleeves (2).
2. cylinders of printing press air clutch press mechanism according to claim 1, it is characterized in that: described air clutch pressure driving mechanism comprises the clutch pressure connecting rod (3) on the end face that is hinged on two camshaft bearing sleeves (2) respectively, two clutches press connecting rod (3) other end respectively to be hinged with swing arm (4), two swing arms (4) are fixed in the two ends of the power transmission shaft (5) that is contained on the wallboard and can rotates respectively, the other end of one of them swing arm (4) and double stroke cylinder (6) are hinged, and double stroke cylinder (6) is hinged on the wallboard.
3. cylinders of printing press air clutch press mechanism according to claim 1, it is characterized in that: the described worm gear eccentric of going up comprises the axle sleeve (7) that is contained on the wallboard, be contained in the worm gear eccentric shaft (8) on the axle sleeve (7), be contained in the support rollers (9) on the worm gear eccentric shaft (8), support rollers (9) contacts with camshaft bearing sleeve (2), worm gear eccentric shaft (8) and worm screw (10) engagement that is contained on the wallboard, following worm gear eccentric is identical with last worm gear eccentric structure.
4. cylinders of printing press air clutch press mechanism according to claim 3 is characterized in that: be connected with gravity accelerometer (11) on the worm screw (10) of described upward worm gear eccentric.
5. cylinders of printing press air clutch press mechanism according to claim 1, it is characterized in that: described resilient support device comprises slide (12) and the threaded block (13) that is fixed on the wallboard, slidable slide block (14) is housed on the slide (12), support roller (15) rotation and that contact with camshaft bearing sleeve (2) is housed on the slide block (14), be bolted with thread bush (16) on the threaded block (13), being equipped with in the thread bush (16) can be along the guide pillar (17) of thread bush (16) slip, the other end of guide pillar (17) is fixed on the slide block (14), and guide pillar (17) is set with helical spring (18) on the portion's section between slide block (14) and the thread bush (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200241879U CN201201355Y (en) | 2008-06-13 | 2008-06-13 | Pneumatic clutch press mechanism of printing press cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200241879U CN201201355Y (en) | 2008-06-13 | 2008-06-13 | Pneumatic clutch press mechanism of printing press cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201201355Y true CN201201355Y (en) | 2009-03-04 |
Family
ID=40423667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200241879U Expired - Fee Related CN201201355Y (en) | 2008-06-13 | 2008-06-13 | Pneumatic clutch press mechanism of printing press cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201201355Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325786A (en) * | 2014-10-22 | 2015-02-04 | 天津长荣印刷设备股份有限公司 | Fast closing and pressing device and work method of fast closing and pressing device |
| CN105398190A (en) * | 2015-11-25 | 2016-03-16 | 高斯图文印刷系统（中国）有限公司 | Automatic self-adapting pressure adjustment mechanism for printing machine rollers |
-
2008
- 2008-06-13 CN CNU2008200241879U patent/CN201201355Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325786A (en) * | 2014-10-22 | 2015-02-04 | 天津长荣印刷设备股份有限公司 | Fast closing and pressing device and work method of fast closing and pressing device |
| CN105398190A (en) * | 2015-11-25 | 2016-03-16 | 高斯图文印刷系统（中国）有限公司 | Automatic self-adapting pressure adjustment mechanism for printing machine rollers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20140613 |
|
| EXPY | Termination of patent right or utility model |