CN101224642A - Leading edge paper-entering mechanism with servo system - Google Patents
Leading edge paper-entering mechanism with servo system Download PDFInfo
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- CN101224642A CN101224642A CNA2007100364934A CN200710036493A CN101224642A CN 101224642 A CN101224642 A CN 101224642A CN A2007100364934 A CNA2007100364934 A CN A2007100364934A CN 200710036493 A CN200710036493 A CN 200710036493A CN 101224642 A CN101224642 A CN 101224642A
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Abstract
The invention provides a frontal edge paper feeding mechanism with a servo system, comprising a main motor, a working roller which is driven by the main motor, a main transmission system which is used for connecting the main motor and the working roller, a servo motor, a paper feeding wheel which is driven by the serve motor and a servo transmission system which is used for connecting the servo motor and the paper feeding wheel; the working roller can be also connected with an encoder which can measure the linear speed of the working roller and feed the linear speed back to the servo motor; the encoder is connected with the servo motor through leads. As the working roller of the frontal edge paper feeding mechanism with the servo system of the invention is also connected with the encoder which can measure the linear speed of the working roller and feed thereof back to the servo motor, the encoder is connected with the servo motor through the leads, after the main motor is started, the working roller starts to rotate, and the servo motor is started when the paper feeding is required, at the moment, the encoder measures the linear speed of the working roller and feeds thereof back to the servo motor which then adjusts the self-rotation speed according to the signal which is fed back by the encoder, thus ensuring that the linear speed of the paper feeding wheel which is driven by the servo motor is completely identical to that of the working roller.
Description
Technical field
The present invention relates to a kind of paper feed mechanism, particularly a kind of leading edge paper-entering mechanism that has servo-drive system.
Background technology
The develop rapidly over past ten years along with corrugated case industry and cardboard box mechanical, China has become the second carton production and use big country after the U.S., high-quality high-speed carton production at first requires the paper feed mechanism of production equipment to satisfy the speed height, the requirement that the paper feed precision is good, existing crank block pushes away cardboard or other paper feed mechanism paper feed precision and generally can only reach 2-3mm/ and open, paper feeding speed≤100/minute, if and cardboard has buckling phenomenon, then error is bigger, even block cardboard easily, so just influence the physical dimension of carton easily, also reduced simultaneously speed of production, this seems more obvious in the multicolor overprint brush.
Along with the development of cardboard box mechanical in recent years, vacuum adsorption front edge paper feed etc. some improved technology also appearred now, for example.Though these technology have been improved the problem of cardboard warpage, complex structure, the vibration bigger.
Summary of the invention
The object of the present invention is to provide a kind of leading edge paper-entering mechanism that has servo-drive system, the described leading edge paper-entering mechanism that has a servo-drive system is simple in structure, paper feeding speed is fast.
To achieve these goals, technical scheme of the present invention is such:
A kind of leading edge paper-entering mechanism that has servo-drive system, comprise main motor, by the working roll of main driven by motor and the main transmission that connects described main motor and working roll, feed roller that also comprises servomotor, drives by servomotor and the servomechanism that connects described servomotor and feed roller, described working roll also connects one can be measured its linear velocity and feed back to the encoder of servomotor, and described encoder connects servomotor by lead.
Further, on the described feed roller breach is arranged.
Further again, described breach is an arc, and length is 1/3rd of described feed roller circumference.
Further again, described working roll connects described encoder by an encoder gear.
Further again, described encoder gear is a Pyatyi precision encoding device gear, and described encoder is 2500 linear velocity encoders.
Further again, described main transmission is made up of belt pulley and gear train, described servomechanism comprises gear-box, can drive some sheet feed shafts of described feed roller, and the synchronous cog belt that connects described gear-box and servomotor, described gear-box connects by shaft coupling and drives described sheet feed shaft, and described sheet feed shaft passes through bearing fixing.
Further again, on a paper feeding case, described paper feeding case is fixed on the exterior object described sheet feed shaft by bearing fixing, also is connected a moving guide rail support on the described paper feeding case, and described moving guide rail support is provided with a backstop paper elevating mechanism slidably.
Further again, described servomotor and described gear-box are separately fixed on the exterior object.
Because but the present invention has the encoder that the working roll of the leading edge paper-entering mechanism of servo-drive system also connects a slotted line speed and feeds back to servomotor, described encoder connects servomotor by lead, after opening main motor, working roll begins to rotate, open servomotor when needing paper feed, encoder was measured the linear velocity of working roll and was fed back to servomotor this moment, servomotor is adjusted the rotating speed of oneself according to the signal of encoder feedback, thereby assurance equates with the linear velocity of working roll fully by the linear speed of the feed roller of servomotor drive is moving, so just can improve the precision of paper feed, thereby avoid phenomenons such as paperboard, improved the speed of production and the quality of production.
Description of drawings
Fig. 1 is a drive connection schematic diagram of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is feed roller of the present invention and sheet feed shaft structural representation.
Fig. 4 is a feed roller structural representation of the present invention.
The specific embodiment
The present invention will be further described below in conjunction with embodiment and accompanying drawing.
As Fig. 1, Fig. 2 and the present invention shown in Figure 3 have the leading edge paper-entering mechanism of servo-drive system, comprise main motor 1, by the working roll 2 of main driven by motor and the main transmission that connects main motor 1 and working roll 2, also comprise servomotor 3, by the feed roller 4 of servomotor 3 drives and the servomechanism that connects servomotor 3 and feed roller 4, working roll 2 connects a Pyatyi precision encoding device gear 21, Pyatyi precision encoding device gear 21 connects one 2500 linear velocity encoders 22, encoder 22 connects servomotor 3 by lead, 2500 linear velocity encoders 22 can be measured the linear velocity of Pyatyi precision encoding device gear 21, and calculate the linear velocity of working roll 2 thus, give servomotor 3 with signal feedback then, servomotor 3 is adjusted own rotating speed according to feedback signal, thereby assurance is equated with the linear velocity of working roll fully by the active line speed of the feed roller 4 of its drive.If certainly Pyatyi precision encoding device gear 21 is changed into the encoder gear of other different accuracies even belt pulley etc., the linear velocity of working roll 2 can be informed 2500 linear velocity encoders 22 equally, if even omission encoder gear 21, directly 2500 linear velocity encoders 22 are connected on the working roll and measure, also can directly obtain the linear velocity of working roll 2, but obviously can reduce error, obtain better measurement effect by connecting a high-precision encoder gear (as the Pyatyi precision encoding device gear 21 in the present embodiment).Certain 2500 linear velocity encoders 22 also can replace with the encoder of other models, as long as the linear velocity that encoder can surveying work roller 2 and feed back to servomotor 3 just can realize purpose of the present invention.
In paper feed mechanism, often not only require feed roller 4 to equate with the linear velocity of working roll 2, when also requiring working roll 2 to rotate a week, feed roller 4 rotates weeks (be paper feeding once) just.The leading edge paper-entering mechanism that the present invention has servo-drive system can solve this problem by encoder 22, by the programme-control feed roller in encoder 22, set in a certain phase place stop motion a period of time, thereby make time in one week of rotation of working roll 2 and feed roller 4 equate.Because relying on the frictional force of cardboard, feed roller 4 carries out paper feeding, therefore design on the feed roller 4 in the present embodiment breach 42 is arranged, breach 42 is an arc, (see figure 4), when turning to, feed roller 4 just can break away from when breach 42 makes progress like this with the cardboard that is transferred, avoid when stop position, dragging cardboard, design has feed rollers 7 on the paper feeding circuit simultaneously, feed rollers 7 drives by main transmission, and keep (being identical linear velocity) synchronously with working roll 2, present embodiment is to drive feed rollers 7 by main motor by main transmission, rotate by the moving working roll 2 of a synchronous gear connecting band by feed rollers 7 then, so just can keep feed rollers 7 and working roll 2 synchronous.Certainly adopt other methods of synchronization also can realize the object of the invention, for example pair of engaged gears connects working roll 2 and modes such as feed rollers 7 or employing power transmission shaft respectively.Breach 42 length in the present embodiment on the feed roller are 1/3rd of feed roller 4 circumferences, and certainly notch length is not limited to 1/3rd of feed roller 4 circumferences, and notch geometry is not limited to arc, if can guarantee that feed roller 4 stops the time with the cardboard disengaging.Breach 42 and feed rollers 7 in the present embodiment also can omit, and can realize the object of the invention equally.
Described main transmission is made up of for 12 groups belt pulley 11 and gear, can certainly adopt the common kind of drive in worm and gear, drive link or other the cardboard box mechanical.Described servomechanism comprises gear-box 31, can drive the some sheet feed shafts 41 of feed roller 4, and the synchronous cog belt 32 of gear-box 31 and servomotor 3 is stated in connection, gear-box 31 connects and drive sheet feed shaft 41 by shaft coupling 411, sheet feed shaft 41 can be one, two or more, this can determine that present embodiment is selected three sheet feed shafts 41 for use according to the different needs of paper feeding.Sheet feed shaft 41 by bearing fixing on a paper feeding case 5, paper feeding case 5 is fixed on the moving guide rail support 6, also be provided with a backstop paper elevating mechanism 61 slidably on the moving guide rail support 6, moving guide rail support 6 is fixed on the exterior object (for example fuselage spacer channel-section steel support) simultaneously.Paper feeding case 5 in the present embodiment can make the paper feeding process more steady, moving guide rail support 6 and the backstop paper elevating mechanism 61 that can slide thereon can carry out spacing to cardboard, guarantee that paper enters on request, when paper particularly to be carried curled, backstop paper elevating mechanism 61 can smooth it earlier.Sheet feed shaft 41 is realized fixing by paper feeding case 5, paper feeding case 5 is fixed on the exterior object by moving guide rail support 6, and it is less to make that so whole machinery vibrates in use, has reduced mechanical wear.If certainly omit paper feeding case 5, moving guide rail support 6 and backstop paper elevating mechanism 61, but directly sheet feed shaft 4 externally on the object, can be realized purpose of the present invention by bearing fixing too.
Servomechanism of the present invention is not limited to described in the present embodiment, also can adopt other type of belt drive, as belt pulley and gear train, worm and gear, drive link or other common type of belt drive, as long as can make servomotor drive feed roller rotates, can realize the object of the invention, but the servomechanism of describing in the present embodiment of being made up of gear-box 31, some sheet feed shafts 41, synchronous cog belt 32 and shaft couplings 411 is simple in structure, and transmission accuracy is high and more stable.
Certainly,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize purpose of the present invention equally for one of ordinary skill in the art.But this variation obviously should be in the protection domain of claims of the present invention.
Claims (8)
1. leading edge paper-entering mechanism that has servo-drive system, the main transmission that comprises main motor, working roll and connect described main motor and working roll, also comprise servomotor, feed roller and the servomechanism that connects described servomotor and feed roller, it is characterized in that: described working roll also connects one can be measured its linear velocity and feed back to the encoder of servomotor, and described encoder connects servomotor by lead.
2. the leading edge paper-entering mechanism that has servo-drive system as claimed in claim 1 is characterized in that: a breach is arranged on the described feed roller.
3. the leading edge paper-entering mechanism that has servo-drive system as claimed in claim 2 is characterized in that: described breach is an arc, and length is 1/3rd of described feed roller circumference.
4. as claim 1, the 2 or 3 described leading edge paper-entering mechanisms that have servo-drive system, it is characterized in that: described working roll connects described encoder by an encoder gear.
5. as claim 1, the 2 or 3 described leading edge paper-entering mechanisms that have servo-drive system, it is characterized in that: described encoder gear is a Pyatyi precision encoding device gear, and described encoder is 2500 linear velocity encoders.
6. as claim 1, the 2 or 3 described leading edge paper-entering mechanisms that have servo-drive system, it is characterized in that: described servomechanism comprises gear-box, can drive some sheet feed shafts of described feed roller, and the synchronous cog belt that connects described gear-box and servomotor, described gear-box connects by shaft coupling and drives described sheet feed shaft, and described sheet feed shaft passes through bearing fixing.
7. the leading edge paper-entering mechanism that has servo-drive system as claimed in claim 6, it is characterized in that: described sheet feed shaft by bearing fixing on a paper feeding case, described paper feeding case is fixed on the moving guide rail support, also be provided with a backstop paper elevating mechanism slidably on the described moving guide rail support, described moving guide rail support is fixed on the exterior object simultaneously.
8. the leading edge paper-entering mechanism that has servo-drive system as claimed in claim 7 is characterized in that: described servomotor and described gear-box are separately fixed on the exterior object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100364934A CN101224642A (en) | 2007-01-16 | 2007-01-16 | Leading edge paper-entering mechanism with servo system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100364934A CN101224642A (en) | 2007-01-16 | 2007-01-16 | Leading edge paper-entering mechanism with servo system |
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| Publication Number | Publication Date |
|---|---|
| CN101224642A true CN101224642A (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100364934A Pending CN101224642A (en) | 2007-01-16 | 2007-01-16 | Leading edge paper-entering mechanism with servo system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009491A (en) * | 2010-06-24 | 2011-04-13 | 上海今昌纸箱机械制造有限公司 | Multi-servo-system lossless paper feeding mechanism |
| CN102673013A (en) * | 2011-03-07 | 2012-09-19 | 上海艾录纸包装有限公司 | Inner plastic bag folding and lengthening device |
| CN110641188A (en) * | 2019-11-05 | 2020-01-03 | 义乌联动机械股份有限公司 | Device for replacing traditional mechanical transmission gear compasses with servo control |
-
2007
- 2007-01-16 CN CNA2007100364934A patent/CN101224642A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009491A (en) * | 2010-06-24 | 2011-04-13 | 上海今昌纸箱机械制造有限公司 | Multi-servo-system lossless paper feeding mechanism |
| CN102673013A (en) * | 2011-03-07 | 2012-09-19 | 上海艾录纸包装有限公司 | Inner plastic bag folding and lengthening device |
| CN102673013B (en) * | 2011-03-07 | 2015-11-25 | 上海艾录包装股份有限公司 | Plastic inner bag folds length extension device |
| CN110641188A (en) * | 2019-11-05 | 2020-01-03 | 义乌联动机械股份有限公司 | Device for replacing traditional mechanical transmission gear compasses with servo control |
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Open date: 20080723 |