CN102350857A - Printing-roller servo device of flexographic printer - Google Patents
Printing-roller servo device of flexographic printer Download PDFInfo
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- CN102350857A CN102350857A CN2011101856788A CN201110185678A CN102350857A CN 102350857 A CN102350857 A CN 102350857A CN 2011101856788 A CN2011101856788 A CN 2011101856788A CN 201110185678 A CN201110185678 A CN 201110185678A CN 102350857 A CN102350857 A CN 102350857A
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Abstract
The invention discloses a printing-roller servo device of a flexographic printer, which comprises a power device, a driven wheel and a transmission device, wherein the power device is fixed on a stander of the flexographic printer, and an output shaft of the power device is provided with a driving wheel; the driven wheel is fixed on a roller shaft of a printing roller; and the transmission device is arranged between the driving wheel and the driven wheel, the transmission device comprises a parallelogram framework which is formed by sequentially hinging four rod pieces, the driving wheel and the driven wheel are respectively arranged on two opposite corners of the parallelogram framework, the other two opposite corners of the parallelogram framework are respectively provided with a transitional wheel, and a transmission belt or a transmission chain are circularly arranged on the driving wheel, the driven wheel and the transitional wheels. The printing-roller servo device of the flexographic printer has a simple structure and low manufacturing cost, can reliably realize the servo control of the printing roller, and can satisfy the requirement of any printing length; and moreover, the power device is fixed on the stander, so the mechanical vibration can be eliminated, and the working reliability is high.
Description
Technical field
The present invention relates to the flexible printing machine technical field, be specifically related to a kind of version roller servomechanism installation of flexible printing machine.
Background technology
The flexible printing machine operation principle as shown in Figure 1; It comprises net roller 2, version roller 3 and bottom roller 1; The position of three rollers is tangent relations; Printing ink is transferred to the printing elements that is fixed on edition roller 3 through net roller 2; Squeegee pressure between version roller 3 and bottom roller 1 is transferred to the printing ink on the forme above the printable fabric then.Three roller transmissions of tradition flexible printing machine all realize through gear, and along with the development of servo techniques, market is more and more to the servo requirement of version roller.Mostly current servo version roller is to adopt servomotor and the direct-connected mode of version roller, and as shown in Figure 2, servomotor 5 is fixed on the slide block device 4.But because version roller 3 diameters are (like size variation of version roller 3 among Fig. 1) of needing size variation along with the printing girth; The shaft core position of different-diameter version roller 3 moves along the perpendicular bisector of bottom roller 1 with net roller 2 lines of centres; When changing different-diameter version roller 3; Need realize it by slide block device 4 fixes; Because version roller 3 connects as one with servomotor 5; Servomotor 5 positions change along with the change of version roller 3 shaft core positions; The complex structure that causes slide block device 4; It is high to make difficult cost; And movably motor brings more mechanical oscillation, causes printing trouble.
Summary of the invention
Technical problem to be solved by this invention is: a kind of flexible printing machine version roller servomechanism installation simple in structure is provided, and it is reasonable in design, has overcome the problem that there are more mechanical oscillation in version roller servomechanism installation in the prior art, has improved the reliability of work.
For solving the problems of the technologies described above, technical scheme of the present invention is: flexible printing machine version roller servomechanism installation, and it comprises:
Be fixed in the power set on the frame of flexible printing machine, be fixed with driving wheel on the output shaft of said power set;
Be fixed in the driven pulley on the roll shaft of edition roller;
Be located at the transmission device between said driving wheel and the said driven pulley; Said transmission device comprises by four hinged successively parallelogram levers that constitute of rod member; Said driving wheel and said driven pulley are located at two relative bights of said parallelogram lever respectively; Two other relative bight at said parallelogram lever is respectively arranged with transition wheel, on said driving wheel, said driven pulley and said transition wheel, is surrounded with driving-belt or driving-chain.
As a kind of optimized technical scheme, said driving wheel, said driven pulley and said transition wheel are belt wheel, on said driving wheel, said driven pulley and said transition wheel, are surrounded with driving-belt.
As a kind of optimized technical scheme, said belt wheel is a synchronous pulley, and said driving-belt is to be with synchronously.
As another kind of optimized technical scheme, said driving wheel, said driven pulley and said transition wheel are sprocket wheel, on said driving wheel, said driven pulley and said transition wheel, are surrounded with driving-chain.
As a kind of optimized technical scheme, said power set are servomotor.
After having adopted technique scheme, the invention has the beneficial effects as follows:
In the prior art; Power set are directly to be connected with the version roller to drive; When changing different-diameter version roller; The power set position changes along with the change of version roll shaft heart position; Cause being used for slide block device complex structure that version roller and power set are fixed; It is high to make difficult cost, and movably power set bring more mechanical oscillation, cause printing trouble easily.
Compared with prior art; In the version roller servomechanism installation of the present invention; Power set are fixed on the frame; Transmission device between the driven pulley of the driving wheel of power set and version roller comprises by four hinged successively parallelogram levers that constitute of rod member; Driving wheel and driven pulley are located at two relative bights of parallelogram lever respectively; Two other relative bight at parallelogram lever is respectively arranged with transition wheel, and driving-belt or gearing chain ring are around being arranged on driving wheel, driven pulley and the transition wheel.
Adopt above-mentioned structure; The power of power set passes to an edition roller through transmission device; Scalable in the transmission device by four hinged successively parallelogram levers that constitute of rod member; In the course of work; Because when the needs of printing length are changed different-diameter version roller; Version roll shaft heart position changes; The driven pulley that is connected with the roll shaft of version roller is subjected to displacement; The bight of parallelogram lever that causes installing driven pulley is flexible; In telescopic process; The girth of parallelogram lever is constant; And because driving wheel; Driven pulley and transition wheel are arranged on the bight of parallelogram lever; So around being arranged on driving wheel; Driving-belt on driven pulley and the transition wheel or driving-chain its length in the parallelogram lever telescopic process need not change; Therefore; When version roller size was changed, driving-belt or driving-chain still can be realized stable servo power transmission on the basis that does not change length.In sum, the present invention is simple in structure, low cost of manufacture, and the reliable SERVO CONTROL that realizes the version roller can realize the requirement of any printing length; And power set of the present invention are fixedly mounted on the frame, have eliminated mechanical oscillation, and functional reliability is high; The slide block device that is used for fixing edition roller does not need rigidly-fixed power plant simultaneously, and is simple in structure, is easy to make, and reduced cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the fundamental diagram of flexible printing machine.
Fig. 2 is the servo roller structure sketch map of prior art flexible printing machine.
Fig. 3 is the structural representation of the embodiment of the invention.
Fig. 4 is the structural representation of transmission device in the embodiment of the invention.
Fig. 5 is the fundamental diagram of transmission device in the embodiment of the invention.
Among the figure: 1. bottom roller, 2. net roller, 3. edition roller, 4. slide block device, 5. servomotor, 6. frame, 7. driving wheel, 8. driven pulley, 9. transition wheel, 10. transition wheel, 11. driving-belts or driving-chain, 12. parallelogram levers.
The specific embodiment
Like Fig. 3 and shown in Figure 4, a kind of flexible printing machine version roller servomechanism installation.It comprises the power set on the frame 6 that is fixed in flexible printing machine, and the transmission of power of power set is arrived the transmission device of version roller 3.
In this implementation process, power set preferentially adopt the servomotor 6 in the operating motor, also can adopt other known operating motor for example stepper motor realize.On the output shaft of servomotor 5, be fixed with driving wheel 7, on the roll shaft of version roller 3, be fixed with driven pulley 8, between driving wheel 7 and driven pulley 8, the transmission that transmission device is used to realize servo power is set.
Transmission device comprises by four hinged successively parallelogram levers that constitute 12 of rod member; Driving wheel 7 and driven pulley 8 are located at two relative bights of parallelogram lever 12 respectively; Be respectively arranged with transition wheel 9 and transition wheel 10 in two other relative bight of parallelogram lever 12, on driving wheel 7, driven pulley 8, transition wheel 9 and transition wheel 10, be surrounded with driving-belt or driving-chain 11.
Said driving wheel 7, driven pulley 8 and transition wheel 9,10 can adopt belt wheel, on driving wheel 7, driven pulley 8 and transition wheel 9,10 around driving-belt is set.Four belt wheels preferentially adopt synchronous pulley; This driving-belt that matches adopts band synchronously; Transmission device adopts band transmission synchronously; Band tooth through synchronous band is meshed transferring power with the teeth groove of synchronous pulley; Combine band transmission, chain transmission and gear-driven advantage, transmission accurately, stable drive, transmission efficiency is high, maintaining is convenient etc.Certainly; Said driving wheel, driven pulley and transition wheel also can adopt sprocket wheel; Match on driving wheel, driven pulley and transition wheel around driving-chain is set; Adopt the chain transmission; Nonelastic slip and skidding, transmission is accurate, and transmitted power is big; The pressure that acts on the axle is little, can in adverse circumstances, work.
Extremely shown in Figure 5 like Fig. 3; Adopt above-mentioned structure; Scalable in the transmission device by the hinged successively parallelogram lever that constitutes of four rod members 12; In the course of work; Owing to when the needs of printing length are changed different-diameter version roller 3, realize the fixing of version roller 3 through slide block device 4, version roller 3 shaft core positions change; The driven pulley 7 that is connected with the roll shaft of version roller 3 is subjected to displacement, and the bight of parallelogram lever 12 that causes installing driven pulley 7 is flexible.In telescopic process; The girth of parallelogram lever 12 is constant; And because the bight that driving wheel 7, driven pulley 8 and transition wheel 9,10 are arranged on parallelogram lever 12, so need not change around driving-belt or driving-chain 11 its length in parallelogram lever 12 telescopic process of being arranged on driving wheel 7, driven pulley 8 and the transition wheel 9,10.Therefore, when version roller 3 sizes were changed, driving-belt or driving-chain 11 still can be realized stable servo power transmission on the basis that does not change length.In sum, the present invention is simple in structure, low cost of manufacture, and the reliable SERVO CONTROL that realizes the version roller can realize the requirement of any printing length; And power set of the present invention are fixedly mounted on the frame 6, have eliminated mechanical oscillation, and functional reliability is high; The slide block device 4 that is used for fixing edition roller 3 does not need rigidly-fixed power plant simultaneously, and is simple in structure, is easy to make, and reduced cost.
Claims (5)
1. flexible printing machine version roller servomechanism installation is characterized in that, comprising:
Be fixed in the power set on the frame of flexible printing machine, be fixed with driving wheel on the output shaft of said power set;
Be fixed in the driven pulley on the roll shaft of edition roller;
Be located at the transmission device between said driving wheel and the said driven pulley; Said transmission device comprises by four hinged successively parallelogram levers that constitute of rod member; Said driving wheel and said driven pulley are located at two relative bights of said parallelogram lever respectively; Two other relative bight at said parallelogram lever is respectively arranged with transition wheel, on said driving wheel, said driven pulley and said transition wheel, is surrounded with driving-belt or driving-chain.
2. flexible printing machine version roller servomechanism installation as claimed in claim 1, it is characterized in that: said driving wheel, said driven pulley and said transition wheel are belt wheel, on said driving wheel, said driven pulley and said transition wheel, are surrounded with driving-belt.
3. flexible printing machine version roller servomechanism installation as claimed in claim 2, it is characterized in that: said belt wheel is a synchronous pulley, said driving-belt is to be with synchronously.
4. flexible printing machine version roller servomechanism installation as claimed in claim 1, it is characterized in that: said driving wheel, said driven pulley and said transition wheel are sprocket wheel, on said driving wheel, said driven pulley and said transition wheel, are surrounded with driving-chain.
5. like the described flexible printing machine version of the arbitrary claim of claim 1 to 4 roller servomechanism installation, it is characterized in that: said power set are servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101856788A CN102350857A (en) | 2011-07-04 | 2011-07-04 | Printing-roller servo device of flexographic printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101856788A CN102350857A (en) | 2011-07-04 | 2011-07-04 | Printing-roller servo device of flexographic printer |
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| Publication Number | Publication Date |
|---|---|
| CN102350857A true CN102350857A (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101856788A Pending CN102350857A (en) | 2011-07-04 | 2011-07-04 | Printing-roller servo device of flexographic printer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287062A (en) * | 2013-06-09 | 2013-09-11 | 苏州金科信汇光电科技有限公司 | Printing servo device with adjustable printing length |
| 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 |
| CN104859281A (en) * | 2015-04-27 | 2015-08-26 | 深圳市博泰印刷设备有限公司 | Intermittent printing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172729A (en) * | 1996-07-08 | 1998-02-11 | 温德莫勒及霍尔希尔公司 | Printing machine |
| CN201960802U (en) * | 2010-12-21 | 2011-09-07 | 上海紫光机械有限公司 | Dampening system for commercial rotary printing press |
| CN202163090U (en) * | 2011-07-04 | 2012-03-14 | 潍坊东航印刷科技股份有限公司 | Servo device for printing roller of flexible printing machine |
-
2011
- 2011-07-04 CN CN2011101856788A patent/CN102350857A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172729A (en) * | 1996-07-08 | 1998-02-11 | 温德莫勒及霍尔希尔公司 | Printing machine |
| CN201960802U (en) * | 2010-12-21 | 2011-09-07 | 上海紫光机械有限公司 | Dampening system for commercial rotary printing press |
| CN202163090U (en) * | 2011-07-04 | 2012-03-14 | 潍坊东航印刷科技股份有限公司 | Servo device for printing roller of flexible printing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287062A (en) * | 2013-06-09 | 2013-09-11 | 苏州金科信汇光电科技有限公司 | Printing servo device with adjustable printing length |
| 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 |
| CN104859281A (en) * | 2015-04-27 | 2015-08-26 | 深圳市博泰印刷设备有限公司 | Intermittent printing equipment |
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Application publication date: 20120215 |