CN102152979A - Double-output conjugate cam-connecting rod paper-transferring mechanism - Google Patents
Double-output conjugate cam-connecting rod paper-transferring mechanism Download PDFInfo
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- CN102152979A CN102152979A CN 201110041506 CN201110041506A CN102152979A CN 102152979 A CN102152979 A CN 102152979A CN 201110041506 CN201110041506 CN 201110041506 CN 201110041506 A CN201110041506 A CN 201110041506A CN 102152979 A CN102152979 A CN 102152979A
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Abstract
The invention discloses a double-output conjugate cam-connecting rod paper-transferring mechanism and belongs to the technical field of a paper-transferring mechanism for a sheet-fed offset press. The paper-transferring mechanism is provided with a connecting rod mechanism on the basis of the traditional conjugate cam-connecting rod paper-transferring mechanism, wherein a pair of conjugate cams is matched with two sets of connecting rod mechanisms. The alternative double output of paper sheet is realized, and the rotation speeds of the paper-transferring mechanism and paper-transferring cam are efficiently reduced, thereby reducing the influence of the dynamic property on the mechanism, obviously increasing the paper-transferring speed even under the condition of maintaining the rotation speed of the cam, and lowering the demand on the property of the paper-transferring cam and reducing the aging speed of the mechanism, so the double-output conjugate cam-connecting rod paper-transferring mechanism has the advantages that the motion output is accurate, high-efficient and stable, the operation is easy, and the mechanism is fit for being applied to the sheet-fed offset press or other printing equipment.
Description
Technical field
The present invention relates to a kind of conjugate cam paper feeding mechanism, particularly a kind of dual output conjugate cam-connecting rod paper feeding mechanism belongs to the technical field of sheet-fed offset press paper feeding mechanism.
Background technology
Sheet-fed offset press need be transported to the printing cylinder component locations continuously, exactly with paper and print from the fixation position, paper feeding mechanism is the motion output system that realizes the key of transfer function.Existing sheet-fed offset press is varied.Representative type sheet-fed offset press paper feeding mechanism has eccentric rotary oscillation formula, centering swing and eccentric sheet transfer drum transfer compound type, rotary drum-type, based on the slider-rocker mechanism swinging gripper mechanism.The ubiquitous problem of existing sheet-fed offset press paper feeding mechanism is that mechanism stable is relatively poor, and motion has tangible impact, and when the machine high-speed operation, the cam link mechanism dynamic property has had a strong impact on printing quality, and has reduced the service life of paper feeding mechanism.Wherein traditional conjugate cam paper feeding mechanism comprises conjugate cam, arc swing arm, rocking bar, connecting rod, the transfer swing arm, this conjugate cam is made up of the master cam and the auxiliary cam that are installed on the transmission shaft, the two ends of this arc swing arm are provided with puck, puck contacts with the outer circumferential curved surface of master cam and auxiliary cam respectively, one end of rocking bar is captiveed joint with arc swing arm, rocking bar and arc swing arm one common peripheral are swung around fulcrum shaft, the rocking bar other end and rod hinge connection, connecting rod also has an end and transfer swing arm hinged, the transfer swing arm is around the fulcrum shaft swing, the transmission swing arm, connecting rod, one group of lanar four rod mechanism is formed in the transfer swing arm, form transfer and move terminal output system, can realize conforming with the output of the transfer mechanical movement of rule.The mechanism stable of above-mentioned conjugate cam paper feeding mechanism is relatively poor, and the transmitting accuracy of paper is had adverse influence, causes the wearing and tearing of mechanism simultaneously easily.
Summary of the invention
The object of the present invention is to provide a kind of dual output conjugate cam-connecting rod paper feeding mechanism, with traditional conjugate cam-connecting rod paper feeding mechanism dual output processing, utilize common conjugate cam and two group connecting rod mechanism to realize that output all meets the transfer action that sheet-fed offset press requires.When the sheet transfer drum rotating speed of sheet-fed offset press is higher, can effectively reduce the rotating speed of paper feeding mechanism transfer cam, to reduce the influence of this mechanism dynamic property when being subjected to high rotating speed, also reduced performance requriements and slowing mechanism aging speed simultaneously to the transfer cam.
For achieving the above object, the present invention adopts following technical proposals:
A kind of dual output conjugate cam-connecting rod paper feeding mechanism, comprise the conjugate cam of forming by master cam and auxiliary cam, arc swing arm, the transmission swing arm, connecting rod and transfer swing arm, the two ends of this arc swing arm are provided with two pucks, two pucks contact with the outer circumferential curved surface of master cam and auxiliary cam respectively, one end of transmission swing arm is captiveed joint with the middle part of arc swing arm, transmission swing arm and arc swing arm are swung around this fulcrum shaft by a fulcrum shaft rotational support jointly, the other end of transmission swing arm and rod hinge connection, connecting rod also has an end and transfer swing arm hinged, the transfer swing arm is swung around this fulcrum shaft by a fulcrum shaft rotational support, the transmission swing arm, connecting rod, one group of lanar four rod mechanism is formed in the transfer swing arm, forms transfer and moves the first terminal output system.This paper feeding mechanism also comprises second group of lanar four rod mechanism, form transfer and move the second terminal output system, the second terminal output system and the first terminal output system are alternately exported the transfer action, second group of lanar four rod mechanism is by the second transmission swing arm, the second connecting rod and the second transfer swing arm are formed, one end of the second transmission swing arm is captiveed joint with the middle part of one second arc swing arm, the two ends of the second arc swing arm are provided with two second pucks, two second pucks also contact with the outer circumferential curved surface of master cam and auxiliary cam respectively, and be arranged at puck away from correspondence position, the second transmission swing arm and the second arc swing arm by a fulcrum shaft rotational support one common peripheral around the swing of this fulcrum shaft, the other end and the second connecting rod of the second transmission swing arm are hinged, second connecting rod also has an end and the second transfer swing arm hinged, the second transfer swing arm by a fulcrum shaft rotational support around this fulcrum shaft swing.This dual output cam-connecting rod paper feeding mechanism mainly is made up of conjugate cam and two groups of connecting rod mechanisms etc., conjugate cam rotates a circle, can realize twice transfer action, the dual output motion of paper is hocketed, effectively reduce the rotating speed of paper feeding mechanism transfer cam.
The conjugate cam of above-mentioned dual output conjugate cam-connecting rod paper feeding mechanism rotates with sheet transfer drum in the same way by being assemblied on the sheet-fed offset press, and its revolution ratio is preferably the inverse of linkage mechanism group number, and promptly the rotating speed of conjugate cam is half of sheet transfer drum rotating speed.Two groups of connecting rod mechanisms then need calculate its size of checking and installation site according to installation site and terminal output movement disciplinarian request, guarantee that two groups of connecting rod mechanisms all import the identical and satisfactory characteristics of motion.
For simplified structure design and saving in material, the fulcrum shaft of two transfer swing arms of two groups of lanar four rod mechanisms of above-mentioned dual output conjugate cam-connecting rod paper feeding mechanism is coaxial, and two transfer swing arms are respectively around the fulcrum shaft swing.
The present invention has following conspicuous substantive distinguishing features and advantage compared with prior art:
Dual output conjugate cam of the present invention-connecting rod paper feeding mechanism is by increasing by one group of connecting rod mechanism and conjugate cam pairing on the basis of traditional conjugate cam paper feeding mechanism, realize that two groups of connecting rod mechanisms alternately export the desired characteristics of motion, effectively reduce the desired working speed of cam or ensured the raising of sheet-fed offset press sheet transfer drum rotating speed, thereby realize improving the purpose of print out rate, make this dual output conjugate cam-connecting rod mechanism have characteristics and advantages such as motion output is accurate, efficient, stable, easy to operate, cost is low, the equipment debugging is simple.
Description of drawings
Fig. 1 is the structural representation of dual output conjugate cam of the present invention-connecting rod paper feeding mechanism.
The specific embodiment
A preferred embodiment of the invention accompanying drawings is as follows:
Referring to Fig. 1, dual output conjugate cam-connecting rod paper feeding mechanism, comprise and be installed on the conjugate cam of forming by master cam 1 and auxiliary cam 2 on the transmission shaft 5, arc swing arm 6, transmission swing arm 8, connecting rod 9 and transfer swing arm 10, the two ends of arc swing arm 6 are provided with two puck 3a, 3b, two puck 3a, 3b contacts with the outer circumferential curved surface of master cam 1 and auxiliary cam 2 respectively, one end of transmission swing arm 8 is captiveed joint with the middle part of arc swing arm 6, transmission swing arm 8 and arc swing arm 6 by fulcrum shaft 7 rotational support one common peripheral around 7 swings of this fulcrum shaft, the other end of transmission swing arm 8 and connecting rod 9 are hinged, connecting rod 9 also has an end and transfer swing arm 10 hinged, transfer swing arm 10 is swung around this fulcrum shaft 16 by fulcrum shaft 16 rotational support, transmission swing arm 8, connecting rod 9, one group of lanar four rod mechanism is formed in transfer swing arm 10, forms transfer and moves the first terminal output system.Dual output conjugate cam-connecting rod paper feeding mechanism also comprises second group of lanar four rod mechanism, form transfer and move the second terminal output system, the second terminal output system and the first terminal output system are alternately exported the transfer action, second group of lanar four rod mechanism is by the second transmission swing arm 13, second connecting rod 14, the second transfer swing arm 15 is formed, one end of the second transmission swing arm 13 is captiveed joint with the middle part of one second arc swing arm 11, the two ends of the second arc swing arm 11 are provided with two second puck 4a, 4b, two second puck 4a, 4b also contacts with the outer circumferential curved surface of master cam 1 and auxiliary cam 2 respectively, and be arranged at and puck 3a, 3b away from correspondence position, the second transmission swing arm 13 and the second arc swing arm 11 by fulcrum shaft 12 rotational support one common peripheral around 12 swings of this fulcrum shaft, the other end of the second transmission swing arm 13 and second connecting rod 14 are hinged, second connecting rod 14 also has an end and the second transfer swing arm 15 hinged, and the second transfer swing arm 15 is swung around this fulcrum shaft 17 by fulcrum shaft 17 rotational support.The transfer swing arm is sequentially delivered to paper the printing of printing cylinder place around the fulcrum shaft reciprocally swinging, and every swing once can be transmitted a piece of paper.
Referring to Fig. 1, the conjugate cam and the sheet transfer drum of dual output conjugate cam of the present invention-connecting rod paper feeding mechanism rotate in the same way, and the rotating speed of conjugate cam is half of sheet transfer drum rotating speed preferably.When the sheet transfer drum rotating speed of sheet-fed offset press is higher, dual output conjugate cam of the present invention-connecting rod paper feeding mechanism can effectively reduce the rotating speed of paper feeding mechanism transfer cam, to reduce the influence of this mechanism dynamic property when being subjected to high rotating speed, even under cam rotating speed unmodified situation, also realize the remarkable increase of transfer speed, performance requriements and slowing mechanism aging speed have also been reduced simultaneously to the transfer cam.
Referring to Fig. 1, the fulcrum shaft 16 of the transfer swing arm 10 of two groups of lanar four rod mechanisms of dual output conjugate cam-connecting rod paper feeding mechanism and the fulcrum shaft 17 of the second transfer swing arm 15 are coaxial, two transfer swing arms are printed thereby alternately paper is delivered to the printing cylinder place respectively around the fulcrum shaft reciprocally swinging.
For guaranteeing that dual output cam-connecting rod paper feeding mechanism mouth all meets characteristics of motion requirement, need two groups of connecting rod mechanisms are carried out the check of size and aspect, installation site.Thereby make this dual output conjugate cam-connecting rod mechanism have motion and export characteristics such as accurate, efficient, stable, easy to operate.
In conjunction with the accompanying drawings the embodiment of the invention is illustrated above, but the invention is not restricted to the foregoing description, purpose that can also the innovation and creation according to the present invention is made multiple variation.Any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. dual output conjugate cam-connecting rod paper feeding mechanism, comprise that being installed on transmission shaft (5) goes up the conjugate cam of being made up of master cam (1) and auxiliary cam (2), arc swing arm (6), transmission swing arm (8), connecting rod (9) and transfer swing arm (10), the two ends of described arc swing arm (6) are provided with two puck (3a, 3b), two described puck (3a, 3b) contact with the outer circumferential curved surface of master cam (1) and auxiliary cam (2) respectively, one end of transmission swing arm (8) is captiveed joint with the middle part of described arc swing arm (6), one common peripheral is swung around this fulcrum shaft (7) by fulcrum shaft (a 7) rotational support for transmission swing arm (8) and arc swing arm (6), the other end of transmission swing arm (8) and described connecting rod (9) are hinged, described connecting rod (9) also has an end and described transfer swing arm (10) hinged, described transfer swing arm (10) is swung around described fulcrum shaft (16) by fulcrum shaft (a 16) rotational support, described transmission swing arm (8), connecting rod (9), one group of lanar four rod mechanism is formed in transfer swing arm (10), form transfer and move the first terminal output system, it is characterized in that: also comprise second group of lanar four rod mechanism, form transfer and move the second terminal output system, the described second terminal output system and the described first terminal output system are alternately exported the transfer action, described second group of lanar four rod mechanism is by the second transmission swing arm (13), second connecting rod (14), the second transfer swing arm (15) is formed, one end of the described second transmission swing arm (13) is captiveed joint with the middle part of one second arc swing arm (11), the two ends of the described second arc swing arm (11) are provided with two second puck (4a, 4b), two described second puck (4a, 4b) also contact with the outer circumferential curved surface of master cam (1) and auxiliary cam (2) respectively, and be arranged at and described puck (3a, 3b) away from correspondence position, one common peripheral is swung around this fulcrum shaft (12) by fulcrum shaft (a 12) rotational support for the described second transmission swing arm (13) and the second arc swing arm (11), the other end of the described second transmission swing arm (13) and described second connecting rod (14) are hinged, described second connecting rod (14) also has an end and the described second transfer swing arm (15) hinged, and the described second transfer swing arm (15) is swung around this fulcrum shaft (17) by fulcrum shaft (a 17) rotational support.
2. dual output conjugate cam according to claim 1-connecting rod paper feeding mechanism is characterized in that described conjugate cam and sheet transfer drum rotate in the same way, and the rotating speed of conjugate cam is half of sheet transfer drum rotating speed.
3. dual output conjugate cam according to claim 1 and 2-connecting rod paper feeding mechanism is characterized in that, the fulcrum shaft (17) of the fulcrum shaft (16) of the transfer swing arm (10) of described two groups of lanar four rod mechanisms and the second transfer swing arm (15) is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110041506 CN102152979A (en) | 2011-02-16 | 2011-02-21 | Double-output conjugate cam-connecting rod paper-transferring mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120039687 | 2011-02-16 | ||
| CN201120039687.1 | 2011-02-16 | ||
| CN 201110041506 CN102152979A (en) | 2011-02-16 | 2011-02-21 | Double-output conjugate cam-connecting rod paper-transferring mechanism |
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| CN102152979A true CN102152979A (en) | 2011-08-17 |
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| CN 201110041506 Pending CN102152979A (en) | 2011-02-16 | 2011-02-21 | Double-output conjugate cam-connecting rod paper-transferring mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678872A (en) * | 2012-06-04 | 2012-09-19 | 浙江理工大学 | Conjugate cam connecting rod combination packing mechanism |
| CN102765618A (en) * | 2012-07-16 | 2012-11-07 | 上海大学 | Downwards-swing type paper-transferring mechanism with gear-link group |
| CN103753955B (en) * | 2014-01-07 | 2015-07-22 | 北京印刷学院 | Digital ink-jet printer |
| CN104802511A (en) * | 2015-04-28 | 2015-07-29 | 上海大学 | Cam-link paper transferring mechanism |
| CN104876040A (en) * | 2015-04-13 | 2015-09-02 | 山东信川机械有限责任公司 | Translation type paperboard conveyer |
| CN106078205A (en) * | 2016-08-19 | 2016-11-09 | 浙江中讯电子有限公司 | A kind of hyperbola assembles running gear |
| CN112475965A (en) * | 2020-11-09 | 2021-03-12 | 郦鸿志 | Anti-deformation clamp for machining curved surface special-shaped workpiece |
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| CN2241629Y (en) * | 1995-03-31 | 1996-12-04 | 上海紫明机械有限公司 | Gripper opening and closing device for printing machine |
| CN2677152Y (en) * | 2004-01-17 | 2005-02-09 | 河南新机股份有限公司 | Paper delivery mechanism of printing machine |
| CN201058520Y (en) * | 2007-06-08 | 2008-05-14 | 新乡市瑞博印刷包装机械有限公司 | Biconjugate cam transfer papers mechanism |
| CN101318403A (en) * | 2008-07-01 | 2008-12-10 | 上海大学 | Web transfer mechanism with alternate rotary front and back surfaces |
| DE102008060291A1 (en) * | 2007-12-13 | 2009-06-18 | Heidelberger Druckmaschinen Ag | Sheet acceleration system i.e. pre-gripper, for sheet-fed printing machine, has piezoactuator e.g. electric motor, connected with shaft to produce moment counteractive or compensative to torsion- and bending vibrations of parts of system |
| CN201721119U (en) * | 2010-05-20 | 2011-01-26 | 江苏昌昇集团股份有限公司 | Front compass conjugate cam driving mechanism |
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| CN2241629Y (en) * | 1995-03-31 | 1996-12-04 | 上海紫明机械有限公司 | Gripper opening and closing device for printing machine |
| CN2677152Y (en) * | 2004-01-17 | 2005-02-09 | 河南新机股份有限公司 | Paper delivery mechanism of printing machine |
| CN201058520Y (en) * | 2007-06-08 | 2008-05-14 | 新乡市瑞博印刷包装机械有限公司 | Biconjugate cam transfer papers mechanism |
| DE102008060291A1 (en) * | 2007-12-13 | 2009-06-18 | Heidelberger Druckmaschinen Ag | Sheet acceleration system i.e. pre-gripper, for sheet-fed printing machine, has piezoactuator e.g. electric motor, connected with shaft to produce moment counteractive or compensative to torsion- and bending vibrations of parts of system |
| CN101318403A (en) * | 2008-07-01 | 2008-12-10 | 上海大学 | Web transfer mechanism with alternate rotary front and back surfaces |
| CN201721119U (en) * | 2010-05-20 | 2011-01-26 | 江苏昌昇集团股份有限公司 | Front compass conjugate cam driving mechanism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678872A (en) * | 2012-06-04 | 2012-09-19 | 浙江理工大学 | Conjugate cam connecting rod combination packing mechanism |
| CN102765618A (en) * | 2012-07-16 | 2012-11-07 | 上海大学 | Downwards-swing type paper-transferring mechanism with gear-link group |
| CN102765618B (en) * | 2012-07-16 | 2015-02-25 | 上海大学 | Downwards-swing type paper-transferring mechanism with gear-link group |
| CN103753955B (en) * | 2014-01-07 | 2015-07-22 | 北京印刷学院 | Digital ink-jet printer |
| CN104876040A (en) * | 2015-04-13 | 2015-09-02 | 山东信川机械有限责任公司 | Translation type paperboard conveyer |
| CN104802511A (en) * | 2015-04-28 | 2015-07-29 | 上海大学 | Cam-link paper transferring mechanism |
| CN106078205A (en) * | 2016-08-19 | 2016-11-09 | 浙江中讯电子有限公司 | A kind of hyperbola assembles running gear |
| CN106078205B (en) * | 2016-08-19 | 2019-02-12 | 浙江中讯电子有限公司 | A kind of hyperbola assembling running gear |
| CN112475965A (en) * | 2020-11-09 | 2021-03-12 | 郦鸿志 | Anti-deformation clamp for machining curved surface special-shaped workpiece |
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Application publication date: 20110817 |