CN202640945U - Printing plate roll device of flexo printing machine - Google Patents
Printing plate roll device of flexo printing machine Download PDFInfo
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- CN202640945U CN202640945U CN 201220259527 CN201220259527U CN202640945U CN 202640945 U CN202640945 U CN 202640945U CN 201220259527 CN201220259527 CN 201220259527 CN 201220259527 U CN201220259527 U CN 201220259527U CN 202640945 U CN202640945 U CN 202640945U
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- printing plate
- plate cylinder
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- power transmission
- transmission shaft
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Abstract
The utility model discloses a printing plate roll device of a flexo printing machine. The device comprises a printing plate roll, wherein a main positioning component is arranged at one end of the printing plate roll; and an auxiliary positioning component is arranged at the other end of the printing plate roll. Taper fit is formed between the printing plate roll and the main positioning component, and between the printing plate roll and the auxiliary positioning component, and the main positioning component is driven through a servo motor and is used for transferring power to the printing plate roll. By the device, the printing plate roll can be quickly positioned through taper fit, the processing and assembling precision and the driving precision of the printing plate roll is reduced, the precision driving is realized, and the phenomenon of response lag is not caused.
Description
Technical field
The utility model relates to the flexible printing machine technical field, relates in particular to a kind of printing plate cylinder device of flexible printing machine.
Background technology
The printing of flexible printing machine is its core component, comprises anilox roll, printing plate cylinder and printing bottom roller, as shown in Figure 1, printing plate cylinder is tangent with anilox roll and printing bottom roller simultaneously, wherein, the effect of anilox roll is transfer of ink, the pattern that engraving will print to some extent on the printing plate cylinder, the printing bottom roller is provided with printable fabric, when printing, three rollers rotate simultaneously, and anilox roll is transferred to the printing ink in the print cartridge on the printing plate cylinder, printing plate cylinder is transferred to printing ink on the printable fabric again, forms pattern.
In the prior art, the power of three rollers all realizes by gear drive, and along with the development of servo techniques, market is also more and more to the requirement of printing plate cylinder, and present stage, the connected mode of printing plate cylinder and servomotor mainly contains two kinds:
The first is that printing plate cylinder directly is connected by positive coupling with servomotor, and as shown in Figure 2, the shortcoming of this mode is that the requirement on machining accuracy of printing plate cylinder is very high, and the assembly precision between printing plate cylinder, shaft coupling and the servomotor requires very high.
The second is that servomotor reaches printing plate cylinder by Timing Belt or gear with power, as shown in Figure 3, although this mode has reduced the precision of processing and assembling, has increased the one-level transmission, has brought the disadvantage of response lag.
The utility model content
Technical problem to be solved in the utility model is: a kind of printing plate cylinder device of flexible printing machine is provided, and this device is not only less demanding to processing and the assembly precision of printing plate cylinder, and transmission is accurate, can not produce the phenomenon of response lag.
For solving the problems of the technologies described above, the technical solution of the utility model is: the printing plate cylinder device of flexible printing machine, comprise printing plate cylinder, one end of described printing plate cylinder is equipped with main keeper, the other end of described printing plate cylinder is equipped with auxiliary keeper, between described printing plate cylinder and the described main keeper, be taper fit between described printing plate cylinder and the described auxiliary keeper, described main keeper is used for power is passed on to described printing plate cylinder by driven by servomotor.
After having adopted technique scheme, the beneficial effects of the utility model are: owing to be taper fit between the two ends of printing plate cylinder and main keeper, the auxiliary keeper, can make between printing plate cylinder and the main keeper, close contact between printing plate cylinder and the auxiliary keeper, prevent that axial runout and circular runout from appearring in printing plate cylinder, realize fast the centralized positioning of printing plate cylinder, reduced the machining accuracy of printing plate cylinder, reduced simultaneously between printing plate cylinder and the main keeper, the assembly precision between printing plate cylinder and the auxiliary keeper; In addition, because main keeper directly reaches the power of servomotor on the printing plate cylinder, the centre does not have other transmission of power, thereby has eliminated the phenomenon of response lag.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the structural representation of flexible printing machine printing;
Fig. 2 is a kind of connected mode of printing plate cylinder and servomotor in the prior art;
Fig. 3 is the another kind of connected mode of printing plate cylinder and servomotor in the prior art;
Fig. 4 is the structural representation of a kind of embodiment of the utility model;
Among the figure: 11. printing plate cylinders; 12. anilox roll; 13. printing bottom roller; 14. printable fabric; 21. positive coupling; 22. servomotor; 31. driving pulley; 32. Timing Belt; 33. driven pulley; 41. cylinder; 42. auxiliary locating shaft; 43. angular contact ball bearing; 44. auxiliary positioning sleeve; 45. auxiliary location tapered sleeve; 51. thrust bearing; 52. feed screw nut; 53. leading screw; 54. shaft coupling; 55. cover alignment motor; 56. alignment connecting plate; 57. spacing back-up ring; 61. main positioning sleeve; 62. power transmission key; 63. power transmission shaft; 64. spline.
The specific embodiment
As shown in Figure 1, the structural representation of the core component for flexible printing machine---printing, shown in Fig. 2 and Fig. 3 are common, be printing plate cylinder in the prior art 11 connected mode different from two kinds of servomotor 22, these all elaborate in background technology, do not repeat them here.
As shown in Figure 4, a kind of embodiment for the printing plate cylinder device of the utility model flexible printing machine, comprise printing plate cylinder 11, end at printing plate cylinder 11 is equipped with main keeper, the other end of printing plate cylinder 11 is equipped with auxiliary keeper, wherein, main keeper connects printing plate cylinder 11 and servomotor 22, is used for transmission of power with servomotor 22 to printing plate cylinder 11.
Main keeper in the present embodiment comprises power transmission shaft 63, and the power intake of this power transmission shaft 63 is connected in the clutch end of servomotor 22 by spline 64, and the clutch end of power transmission shaft 63 has one section conical section.In addition, be fixed with main positioning sleeve 61 in the end of printing plate cylinder 11, the conical section of the inner surface of main positioning sleeve 61 and power transmission shaft 63 is suitable, be to have realized taper fit between power transmission shaft 63 and the printing plate cylinder 11, realized transfer of torque by power transmission key 62 between power transmission shaft 63 and the main positioning sleeve 61 simultaneously.
Auxiliary keeper in the present embodiment comprises auxiliary locating shaft 42 and cylinder 41, one end of auxiliary locating shaft 42 is fixedly connected with the piston rod of cylinder 41, and the central axes of the central axis of cylinder 41 and auxiliary locating shaft 42, the other end of auxiliary locating shaft 42 also has one section conical section, is arranged with auxiliary location tapered sleeve 45 at this conical section.In addition, also be fixed with auxiliary positioning sleeve 44 in the end of printing plate cylinder 11, between auxiliary location tapered sleeve 45 and auxiliary positioning sleeve 44, be provided with angular contact ball bearing 43, like this, by fixing of auxiliary positioning sleeve 44 and angular contact ball bearing 43 outer rings, and auxiliary location tapered sleeve 45 and angular contact ball bearing 43 inner rings fixedly realized taper fit between auxiliary locating shaft 42 and the printing plate cylinder 11, by cylinder 41 auxiliary locating shaft 42 is leaned on the end face of printing plate cylinder 11 simultaneously, when needs dismounting printing plate cylinder 11, control cylinder 41 adhesives, separate with auxiliary location tapered sleeve 45 by the auxiliary locating shaft 42 of the piston driving of cylinder 41, realize easily the dismounting of printing plate cylinder 11.
This device arranges the centralized positioning that can accurately realize printing plate cylinder 11 with the main and auxiliary keeper of its taper fit by the two ends at printing plate cylinder 11, prevent that axial runout and circular runout from appearring in printing plate cylinder 11, than Fig. 2, processing, the assembly precision of printing plate cylinder 11 have been reduced, than Fig. 3, this device does not have the unnecessary power transmissions such as Timing Belt or gear, can guarantee the accuracy of power transmission, avoids producing the phenomenon of response lag.
On power transmission shaft 63, also be connected with for the registration mechanism of regulating printing plate cylinder 11 positions, this registration mechanism comprises cover alignment motor 55 and leading screw 53, cover alignment motor 55 drives leading screw 53 rotations by shaft coupling 54, the end of leading screw 53 is provided with thrust bearing 51, be arranged with the feed screw nut adaptive with it 52 at leading screw 53, be fixed with alignment connecting plate 56 on the feed screw nut 52, power transmission shaft 63 passes this alignment connecting plate 56 simultaneously, be provided with the spacing back-up ring 57 that is positioned at alignment connecting plate 56 both sides at power transmission shaft 63, the power transmission shaft 63 that adopts in the present embodiment is multidiameter, utilize the ladder end face of multidiameter self to replace spacing back-up ring 57 herein, make alignment connecting plate 56 and power transmission shaft 63 relative in the axial direction fixing.Like this, when needs overlap on time printing plate cylinder 11, start cover alignment motor 55, drive leading screw 53 rotations, owing to be fixed with alignment connecting plate 56 on the feed screw nut 52, and power transmission shaft 63 passes this alignment connecting plate 56, and then feed screw nut 52 can be with the central axis rotation of leading screw 53, only can be along the central axis traveling priority of leading screw 53.
As shown in Figure 4, when feed screw nut 52 is moved to the left, drive alignment connecting plate 56 and be moved to the left, end-acted lower at the ladder of power transmission shaft 63, alignment connecting plate 56 propulsion power transmitter shafts 63 are moved to the left, and then promotion printing plate cylinder 11 is moved to the left, printing plate cylinder 11 is carried out alignment, at this moment, owing to pass through spline 64 transmitting torques between power transmission shaft 63 and the servomotor 22, therefore, power transmission shaft 63 does not hamper transfer of torque along its central axis traveling priority the time; When feed screw nut 52 moved right, said process was reversed, and did not repeat them here.
No matter in addition, utilizing registration mechanism that printing plate cylinder 11 is overlapped on time, be to drive printing plate cylinder 11 to be moved to the left or to move right, under the effect of cylinder 41, auxiliary locating shaft 42 all can be made corresponding compensation, makes printing plate cylinder 11 not depart from all the time the center, guarantees the normal delivery of moment of torsion.
The printing plate cylinder apparatus structure of this flexible printing machine is simple, not only less demanding to processing and the assembly precision of printing plate cylinder, and transmission is accurate, can not produce the phenomenon of response lag, can realize easily centralized positioning, quick-replaceable and the power transmission of printing plate cylinder.
The utility model is not limited to the above-mentioned specific embodiment, and all are based on technical conceive of the present utility model, and the structural improvement of having done all falls among the protection domain of the present utility model.
Claims (5)
1. the printing plate cylinder device of flexible printing machine, comprise printing plate cylinder, it is characterized in that: an end of described printing plate cylinder is equipped with main keeper, the other end of described printing plate cylinder is equipped with auxiliary keeper, between described printing plate cylinder and the described main keeper, be taper fit between described printing plate cylinder and the described auxiliary keeper;
Described main keeper is used for power is passed on to described printing plate cylinder by driven by servomotor.
2. the printing plate cylinder device of flexible printing machine as claimed in claim 1, it is characterized in that: described main keeper comprises power transmission shaft, the power intake of described power transmission shaft is connected with the clutch end of described servomotor, and the clutch end of described power transmission shaft has conical section;
The end of described printing plate cylinder is fixed with main positioning sleeve, and the inner surface of described main positioning sleeve and the conical section of described power transmission shaft are suitable.
3. the printing plate cylinder device of flexible printing machine as claimed in claim 2 is characterized in that: the clutch end spline joint of the power intake of described power transmission shaft and described servomotor.
4. the printing plate cylinder device of flexible printing machine as claimed in claim 3, it is characterized in that: also be connected with on the described power transmission shaft be used to the registration mechanism of regulating described printing plate cylinder position, described registration mechanism comprises cover alignment motor and by the motor-driven leading screw of described alignment, described leading screw is provided with feed screw nut, be fixed with the alignment connecting plate on the described feed screw nut, described power transmission shaft passes described alignment connecting plate, and the both sides that are positioned at described alignment connecting plate on the described power transmission shaft are provided with spacing back-up ring.
5. such as the printing plate cylinder device of each described flexible printing machine of claim 1 to 4, it is characterized in that: described auxiliary keeper comprises auxiliary locating shaft, one end of described auxiliary locating shaft is fixedly connected with the piston rod of a cylinder, the other end of described auxiliary locating shaft is conical section, is arranged with auxiliary location tapered sleeve on the described conical section;
The end of described printing plate cylinder is fixed with auxiliary positioning sleeve, is provided with angular contact ball bearing between described auxiliary positioning sleeve and the described auxiliary location tapered sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220259527 CN202640945U (en) | 2012-06-04 | 2012-06-04 | Printing plate roll device of flexo printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220259527 CN202640945U (en) | 2012-06-04 | 2012-06-04 | Printing plate roll device of flexo printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202640945U true CN202640945U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220259527 Expired - Fee Related CN202640945U (en) | 2012-06-04 | 2012-06-04 | Printing plate roll device of flexo printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202640945U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331993A (en) * | 2013-06-09 | 2013-10-02 | 苏州金科信汇光电科技有限公司 | Printing device capable of adjusting printing pressure automatically |
| WO2014029052A1 (en) * | 2012-08-20 | 2014-02-27 | Xu Peng | Printing power apparatus |
| CN106379036A (en) * | 2016-08-25 | 2017-02-08 | 高斯图文印刷***（中国）有限公司 | Axial adjustment mechanism of offset and flexible printing machine |
| CN113510999A (en) * | 2021-07-14 | 2021-10-19 | 渭南科赛机电设备有限责任公司 | Printing unit transmission set based on shaftless motor |
-
2012
- 2012-06-04 CN CN 201220259527 patent/CN202640945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014029052A1 (en) * | 2012-08-20 | 2014-02-27 | Xu Peng | Printing power apparatus |
| CN103331993A (en) * | 2013-06-09 | 2013-10-02 | 苏州金科信汇光电科技有限公司 | Printing device capable of adjusting printing pressure automatically |
| CN106379036A (en) * | 2016-08-25 | 2017-02-08 | 高斯图文印刷***（中国）有限公司 | Axial adjustment mechanism of offset and flexible printing machine |
| CN113510999A (en) * | 2021-07-14 | 2021-10-19 | 渭南科赛机电设备有限责任公司 | Printing unit transmission set based on shaftless motor |
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| 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: 20130102 Termination date: 20180604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |