CN201761137U - Conjugate cam mechanism for synchronous opening/closing of roller gear of offset press - Google Patents
Conjugate cam mechanism for synchronous opening/closing of roller gear of offset press Download PDFInfo
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- CN201761137U CN201761137U CN2010202317121U CN201020231712U CN201761137U CN 201761137 U CN201761137 U CN 201761137U CN 2010202317121 U CN2010202317121 U CN 2010202317121U CN 201020231712 U CN201020231712 U CN 201020231712U CN 201761137 U CN201761137 U CN 201761137U
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- teeth
- gritting
- cam
- conjugate
- conjugation
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Abstract
The utility model discloses a conjugate cam mechanism for synchronous opening/closing of a roller gear of an offset press, which can reduce the torsional deformation of engaging shaft and comprises an engaging shaft, a main cam, a conjugate cam, a main engaging bearing, a conjugate engaging bearing, a main cam swing link and a conjugate cam swing link. The engaging shaft is axially fixed on a roller and is provided with an engaging device; the main cam and the conjugate cam are parallel fixed on a left sidewall board of the offset press; two heads of the main cam swing link are respectively connected with the right end of the main engaging bearing and the left head of the engaging shaft to make the peripheral surface of the main engaging bearing closely contact with the peripheral surface of the main cam; two heads of the conjugate swing link are respectively connected with the right end of the conjugate engaging bearing and the left head of the engaging shaft to make the peripheral surface of the conjugate engaging bearing closely contact with the peripheral surface of the conjugate cam; and the connection line of the central axial lines of the main engaging bearing and the engaging shaft is crossed with the connection line of the central axial lines of the conjugate engaging bearing and the engaging shaft to form a conjugate angle a, wherein the conjugate angle a is an obtuse angle.
Description
Technical field
The utility model relates to the mechanism on a kind of offset press, the conjugate cam mechanism that particularly a kind of cylinder that is used for offset press is grited one's teeth and opened and closed synchronously.
Background technology
The sheet-fed offset press switching mechanism of gritting one's teeth had all adopted traditional cam control in the past, promptly grit one's teeth and open (or closing) by single cam control, make to grit one's teeth by compression spring restoring force then and close (or opening), at this moment, roller follower (being fork) must produce a percussion to cam.Simultaneously, because the strain of the axle of gritting one's teeth, it is poor that the switching time of respectively gritting one's teeth on the same axle of gritting one's teeth of being sleeved on exists the regular hour.Along with improving constantly of print speed printing speed, the centrifugal force of roller follower (being fork) is increased greatly, and then make roller follower produce vibration.The time difference that gritting one's teeth on the vibratory impulse of this roller follower and the axle of gritting one's teeth opens and closes from left to right will produce very important influence to the chromatography precision of multicolour offset press.Problem hereto, general all molded lines by adjusting cam of manufacturer and strengthen that the shaft diameter of gritting one's teeth reduces because the roller follower percussion opens and closes the influence of time difference to gritting one's teeth in the industry, but effect is all not obvious.At utility model patent number is to disclose a kind of " being used for the conjugate cam mechanism that the cylinder of offset press is grited one's teeth and opened and closed " in 200820055611.6, adopt double cam to control to grit one's teeth and open (or closing), i.e. a main cam and a conjugate cam, shock effect when it can eliminate the paper handing-over realizes the synchronous switching of respectively gritting one's teeth on the same axle of gritting one's teeth.But the technical scheme that this patent provided is main cam and conjugate cam to be installed in respectively on the left and right sides wallboard of offset press, main tooth ball and the conjugation opened opened the tooth ball and is connected between the two ends of the axle of gritting one's teeth and they and intersects a conjugation angle, to make a torsional deflection of gritting one's teeth, if torsional deflection is too big, will because of reasons such as cam mismachining tolerance and alignment error cause grit one's teeth the axle dynamically reverse and two open the violent vibration of tooth ball link, cause register trouble, therefore also need the torsional deflection of the axle of gritting one's teeth is limited to some extent.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, the conjugate cam mechanism that provides a kind of cylinder that is used for offset press to grit one's teeth and open and close synchronously, shock effect when it can not only eliminate the paper handing-over, realize the synchronous switching of respectively gritting one's teeth on the same axle of gritting one's teeth, the torsional deflection of the axle that can also reduce to grit one's teeth.
The technical scheme that realizes above-mentioned purpose is: the conjugate cam mechanism that a kind of cylinder that is used for offset press is grited one's teeth and opened and closed synchronously, comprise that the axle of gritting one's teeth, a main cam, a conjugation cam, a master open the tooth ball, a conjugation is opened tooth ball, a main cam fork one conjugation cam swing, the described axle of gritting one's teeth is axially fixed on the described cylinder and is set with some devices of gritting one's teeth, wherein, described main cam and described conjugate cam are fixed on the medial surface of left side wallboard of described offset press side by side; One conjugation is opened the tooth ball, and its outer peripheral face closely contacts with the outer peripheral face of conjugate cam; Two of described main cam fork is connected with described left side head of gritting one's teeth axle with the right-hand member that described master opens the tooth ball respectively, closely contacts with the outer peripheral face of described main cam so that described master opens the outer peripheral face of tooth ball; Two of described conjugate cam fork is connected with described left side head of gritting one's teeth axle with the right-hand member that conjugation is opened the tooth ball respectively, closely contacts with the outer peripheral face of described conjugate cam so that described conjugation is opened the outer peripheral face of tooth ball; It is the obtuse angle that the line that described master opens line and the central axis that described conjugation is opened the tooth ball of central axis of the central axis of tooth ball and the described axle of gritting one's teeth and a described central axis of gritting one's teeth spool intersects a conjugation angle [alpha].
When cylinder rotated, when the master of cylinder opens the tooth ball when the bottom surface contact of main cam becomes high face contact, this moment, the main cam fork rotated counterclockwise, and stung the paper tooth and opened, and realized putting paper; Along with cylinder rotates, when the master of cylinder opened the tooth ball from high face contact the becoming bottom surface contact of main cam, this moment, the main cam fork clockwise rotated, and stung the paper mandibular joint and closed, and realized splicing.
Open the tooth ball when the contact of the bottom surface of conjugate cam becomes high face contact when the conjugation of cylinder, this moment, the conjugate cam fork clockwise rotated, and stung the paper mandibular joint and closed, and realized splicing; Along with cylinder rotates, when the conjugation of cylinder was opened the tooth ball from high face contact the becoming bottom surface contact of conjugate cam, this moment, the conjugate cam fork rotated counterclockwise, and stung the paper tooth and opened, and realized putting paper.
The conjugate cam mechanism that the above-mentioned cylinder that is used for offset press is grited one's teeth and opened and closed synchronously, wherein, the outer peripheral face curve of described conjugate cam is the outer peripheral face curve by described main cam, described master opens the central axis of tooth ball to the distance between the central axis of the described axle of gritting one's teeth, the central axis that described conjugation is opened the tooth ball determines that to the distance between the central axis of the described axle of gritting one's teeth and conjugation angle [alpha] this conjugation angle [alpha] is for guaranteeing that described master opens the outer peripheral face of tooth ball and the outer peripheral face of described main cam, the elasticity of torsion distortion that described conjugation is opened the precompression between the outer peripheral face of the outer peripheral face of tooth ball and described conjugate cam and overcome the described axle of gritting one's teeth reduces Δ α.
The conjugate cam mechanism that the above-mentioned cylinder that is used for offset press is grited one's teeth and opened and closed synchronously, wherein, described main cam fork and described conjugate cam fork respectively by the taper bolt location and installation at the described left end of axle and by lock-screw described main cam fork and described grit one's teeth between the axle are reached described conjugate cam fork and described gritting one's teeth locked between the axle respectively of gritting one's teeth.
The conjugate cam mechanism that the above-mentioned cylinder that is used for offset press is grited one's teeth and opened and closed synchronously, wherein, the described axle of gritting one's teeth rotates with cylinder synchronously by the supporting base of gritting one's teeth that is fixed on described cylinder two ends.
The conjugate cam mechanism that the above-mentioned cylinder that is used for offset press is grited one's teeth and opened and closed synchronously, wherein, described master opens tooth ball and described conjugation and opens the tooth ball and also can adopt eccentric structure, is used to regulate the precompression between the outer peripheral face that described master opens the outer peripheral face of tooth ball and outer peripheral face that the outer peripheral face of described main cam, described conjugation are opened the tooth ball and described conjugate cam and overcomes a described elasticity of torsion of gritting one's teeth spool be out of shape.
Because the technical scheme of the conjugate cam mechanism that has adopted the cylinder that is used for offset press of the present utility model to grit one's teeth to open and close synchronously, be that offset press adopts conjugate cam opening and closing technology in the paper handing-over, and main cam and conjugate cam are installed in the medial surface of left side wallboard, main tooth ball and the conjugation opened opened the tooth ball and is connected on the axle of gritting one's teeth, the torsional deflection of axle not only can reduce to grit one's teeth, shock effect in the time of more can eliminating the paper handing-over, realized the synchronous switching of respectively gritting one's teeth on the same axle of gritting one's teeth, fundamentally improve the stability and the reliability of paper handing-over, realized the high accuracy chromatography.
Description of drawings
Fig. 1 is the grit one's teeth structural representation of the conjugate cam mechanism that opens and closes synchronously of the cylinder that is used for offset press of the present utility model;
Fig. 2 is the grit one's teeth structure side view of the conjugate cam mechanism that opens and closes synchronously of the cylinder that is used for offset press of the present utility model.
The specific embodiment
In order to understand the technical solution of the utility model better, below by embodiment particularly and be described in detail in conjunction with the accompanying drawings:
See also Fig. 1 and Fig. 2, the conjugate cam mechanism that the cylinder that is used for offset press of the present utility model is grited one's teeth and opened and closed synchronously comprises that cylinder 1, the main tooth ball 4, a main cam fork 5, a conjugation cam 6, a conjugation opened of axle 2, one main cam 3, of gritting one's teeth open a tooth ball 7 and a conjugation cam swing 8.
Grit one's teeth and be equipped with some covers device 10 of gritting one's teeth on the axle 2 axially spaced-apart, every cover grit one's teeth device 10 by sting paper tooth adjustment seat, paper occluding tooth seat, sting the paper tooth, adjustment screw, trip bolt and compression spring constitute, wherein, stinging paper tooth adjustment seat is sleeved on the axle 2 of gritting one's teeth rigidly with trip bolt, paper occluding tooth seat and sting paper tooth adjustment seat by adjustment screw and the compression spring be sleeved on flexibly together, the compression spring plays a part to provide stings pressure between paper tooth and the bite-block, and adjustment screw plays a part to regulate stings the paper tooth and the letterweight power of the stinging size between the pad 9 of gritting one's teeth.The whole series are grited one's teeth, and device 10 rotates synchronously with cylinder 1 and do the reciprocating rotating motion of certain pendulum angle with stinging reel 2, realizes the switching of stinging the paper tooth.
The main outer peripheral face of opening tooth ball 4 closely contacts with the outer peripheral face of main cam 3.One headgear of main cam fork 5 is contained in the left side head of the axle 2 of gritting one's teeth, and with pin 11 location, the other end of main cam fork 5 is connected the main right-hand member of opening tooth ball 4.
The outer peripheral face that conjugate cam is opened tooth ball 7 closely contacts with the outer peripheral face of conjugate cam 6.8 one of conjugate cam forks also are sleeved on the left side head of the axle 2 of gritting one's teeth, and with pin 16 location, conjugate cam fork 8 other ends are connected the right-hand member that conjugation is opened tooth ball 7.
It is the obtuse angle that the line of the line of the main central axis of opening tooth ball 4 and the central axis of the axle 2 of gritting one's teeth and the central axis that conjugation is opened tooth ball 7 and spools 2 the central axis of gritting one's teeth intersects a conjugation angle [alpha].
Owing to main open the tooth ball and conjugation is opened the same end that the tooth ball is connected the axle of gritting one's teeth, the torsional deflection of the axle that can reduce to grit one's teeth.
The outer peripheral face curve of main cam 3 is to join required satisfied action rule according to the offset press paper to design, take into full account the acceleration-type of driven member during design and changed size, also fully can consider the situation of driven member vibratory impulse, the outer peripheral face curve of conjugate cam 6 (as Fig. 2) that to be central axis of opening tooth ball 7 to distance L 1, conjugation the central axis of the axle 2 of gritting one's teeth by the outer peripheral face curve of main cam 3, the main central axis of opening tooth ball 4 determine to the distance L 2 spools 2 the central axis of gritting one's teeth and conjugation angle [alpha].During this conjugation angle [alpha] design, the pressure angle of main cam fork 5 and conjugate cam fork 8 and the requirement of mechanical space have been taken into full account.In order to guarantee main outer peripheral face that tooth ball 4 and conjugation the open tooth ball 7 certain precompression respectively and between main cam 3 and conjugate cam 6 outer peripheral faces of opening, when the axle 2 of gritting one's teeth assembled with main cam fork 5 and conjugate cam fork 8 location, this conjugation angle [alpha] reduced a specific angle delta α who calculates in advance and realizes.
The utility model has been implemented another kind of mode simultaneously, promptly adopts the eccentric tooth spherical structure of opening to regulate main tooth ball 4 and the conjugation opened and open precompression between the outer peripheral face of the outer peripheral face of tooth ball 7 and main cam 3 and conjugate cam 6.
When cylinder 1 rotates counterclockwise (as Fig. 1), be fixed on grit one's teeth the axle 2 one ends main cam fork 5 on the tooth ball of opening on tooth ball 4 and the conjugate cam fork 87 of opening have certain precompression ground to abut against respectively on main cam 3 and the conjugate cam 6 all the time; When main when opening tooth ball 4 and becoming high face contact by the contact of main cam 3 bottom surfaces, this moment, conjugate cam was opened tooth ball 7 in contrast, by the contact of high face contact becoming bottom surface, main cam fork 5 is lifted on counterclockwise around the axle 2 of gritting one's teeth, make to be fixed on the sting paper tooth of axle on 2 of gritting one's teeth and to break away from gritting one's teeth and fill up 9 contact, be used to put paper.Rotation along with cylinder 1, when conjugation is opened tooth ball 7 from the bottom surface of conjugate cam 6 during to high face motion, conjugate cam fork 8 clockwise rotates around the axle 2 of gritting one's teeth at this moment, make and be fixed on the sting paper tooth of axle on 2 of gritting one's teeth and rely on bite-block 9 and firmly contact with the pad 9 of gritting one's teeth, and produce enough pressure gradually, realize the paper of stinging in the paper handing-over.
Situation as shown in Figure 1 is the situation of main cam 3 side bottom surface closings, the high face closing of conjugate cam 6 sides.The utility model patent has been implemented the another kind of situation of high face closing of main cam 3 sides and conjugate cam 6 side bottom surface closings simultaneously, this moment, main cam fork 5 and conjugate cam fork 8 changed with respect to axle 2 installation directions of gritting one's teeth, promptly when cylinder 1 rotates, when the conjugation on the cylinder 1 is opened tooth ball 7 when the contact of the bottom surface of conjugate cam 6 becomes high face contact, conjugate cam fork 8 rotates counterclockwise at this moment, sting the paper tooth and open, realize putting paper; Along with the rotation of cylinder 1, open tooth ball 7 when the high face contact of conjugate cam 6 contact for bottom surface when the conjugation on the cylinder 1, conjugate cam fork 8 clockwise rotates at this moment, stings the paper mandibular joint and closes, the realization splicing.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (5)
1. conjugate cam mechanism that the cylinder that is used for offset press is grited one's teeth and opened and closed synchronously, comprise that the axle of gritting one's teeth, a main cam, a conjugation cam, a master open the tooth ball, a conjugation is opened tooth ball, a main cam fork and a conjugation cam swing, the described axle of gritting one's teeth is axially fixed on the described cylinder and is set with some devices of gritting one's teeth, it is characterized in that
Described main cam and described conjugate cam are fixed on the medial surface of left side wallboard of described offset press side by side;
Two of described main cam fork is connected with described left side head of gritting one's teeth axle with the right-hand member that described master opens the tooth ball respectively, closely contacts with the outer peripheral face of described main cam so that described master opens the outer peripheral face of tooth ball;
Two of described conjugate cam fork is connected with described left side head of gritting one's teeth axle with the right-hand member that conjugation is opened the tooth ball respectively, closely contacts with the outer peripheral face of described conjugate cam so that described conjugation is opened the outer peripheral face of tooth ball;
It is the obtuse angle that the line that described master opens line and the central axis that described conjugation is opened the tooth ball of central axis of the central axis of tooth ball and the described axle of gritting one's teeth and a described central axis of gritting one's teeth spool intersects a conjugation angle [alpha].
2. the conjugate cam mechanism that the cylinder that is used for offset press according to claim 1 is grited one's teeth and opened and closed synchronously, it is characterized in that, the outer peripheral face curve of described conjugate cam is the outer peripheral face curve by described main cam, described master opens the central axis of tooth ball to the distance between the central axis of the described axle of gritting one's teeth, the central axis that described conjugation is opened the tooth ball determines that to the distance between the central axis of the described axle of gritting one's teeth and conjugation angle [alpha] this conjugation angle [alpha] is for guaranteeing that described master opens the outer peripheral face of tooth ball and the outer peripheral face of described main cam, the elasticity of torsion distortion that described conjugation is opened the precompression between the outer peripheral face of the outer peripheral face of tooth ball and described conjugate cam and overcome the described axle of gritting one's teeth reduces Δ α.
3. the conjugate cam mechanism that the cylinder that is used for offset press according to claim 1 is grited one's teeth and opened and closed synchronously, it is characterized in that, described main cam fork and described conjugate cam fork respectively by the taper bolt location and installation at the described left end of axle and by lock-screw described main cam fork and described grit one's teeth between the axle are reached described conjugate cam fork and described gritting one's teeth locked between the axle respectively of gritting one's teeth.
4. the conjugate cam mechanism that the cylinder that is used for offset press according to claim 1 is grited one's teeth and opened and closed synchronously is characterized in that, the described axle of gritting one's teeth rotates with cylinder synchronously by the supporting base of gritting one's teeth that is fixed on described cylinder two ends.
5. the conjugate cam mechanism that the cylinder that is used for offset press according to claim 1 is grited one's teeth and opened and closed synchronously, it is characterized in that, described master opens tooth ball and described conjugation and opens the tooth ball and also can adopt eccentric structure, is used to regulate the precompression between the outer peripheral face that described master opens the outer peripheral face of tooth ball and outer peripheral face that the outer peripheral face of described main cam, described conjugation are opened the tooth ball and described conjugate cam and overcomes a described elasticity of torsion of gritting one's teeth spool be out of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202317121U CN201761137U (en) | 2010-06-22 | 2010-06-22 | Conjugate cam mechanism for synchronous opening/closing of roller gear of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202317121U CN201761137U (en) | 2010-06-22 | 2010-06-22 | Conjugate cam mechanism for synchronous opening/closing of roller gear of offset press |
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| Publication Number | Publication Date |
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| CN201761137U true CN201761137U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202317121U Expired - Fee Related CN201761137U (en) | 2010-06-22 | 2010-06-22 | Conjugate cam mechanism for synchronous opening/closing of roller gear of offset press |
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| CN (1) | CN201761137U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213386A (en) * | 2013-05-07 | 2013-07-24 | 新乡市新机创新机械有限公司 | Roller gripper opening-closing mechanism on printing machine |
| CN104723667A (en) * | 2013-12-20 | 2015-06-24 | 谷永辉 | Printing machine lower-pendulum type paper gripper mechanism and paper gripping method thereof |
| CN105564017A (en) * | 2014-10-31 | 2016-05-11 | 曼罗兰纸张有限责任公司 | Gripper controlling device for decoupling |
| CN106965547A (en) * | 2017-05-05 | 2017-07-21 | 浙江通得数字印刷设备制造有限公司 | Roller is grited one's teeth axle controls device and offset press |
| CN107323079A (en) * | 2017-08-14 | 2017-11-07 | 上海瑞源印刷设备有限公司 | The tooth regulating positioning device such as iron-printing machine iron plate |
-
2010
- 2010-06-22 CN CN2010202317121U patent/CN201761137U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213386A (en) * | 2013-05-07 | 2013-07-24 | 新乡市新机创新机械有限公司 | Roller gripper opening-closing mechanism on printing machine |
| CN104723667A (en) * | 2013-12-20 | 2015-06-24 | 谷永辉 | Printing machine lower-pendulum type paper gripper mechanism and paper gripping method thereof |
| CN104723667B (en) * | 2013-12-20 | 2017-03-08 | 谷永辉 | Pendulum-type grippers mechanism and its gripper method under a kind of printing machine |
| CN105564017A (en) * | 2014-10-31 | 2016-05-11 | 曼罗兰纸张有限责任公司 | Gripper controlling device for decoupling |
| CN106965547A (en) * | 2017-05-05 | 2017-07-21 | 浙江通得数字印刷设备制造有限公司 | Roller is grited one's teeth axle controls device and offset press |
| CN107323079A (en) * | 2017-08-14 | 2017-11-07 | 上海瑞源印刷设备有限公司 | The tooth regulating positioning device such as iron-printing machine iron plate |
| CN107323079B (en) * | 2017-08-14 | 2023-02-17 | 上海瑞源印刷设备有限公司 | Equal-tooth adjusting and positioning device for iron plate of metal decorating machine |
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Effective date of registration: 20151214 Address after: 223802 Jiangsu Province, Suqian City Industrial Park Road on the west side of sankeshu Township Economic and Technological Development Zone (Suqian red dream mattress factory building 2) Patentee after: Guanghua Machinery Manufacturing Limited by Share Ltd Address before: 200436, No. 520, true road, Baoshan District, Shanghai Patentee before: Shanghai Guanghua Printing Machine Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20160615 Address after: 223621 Suqian city of Jiangsu Province three industrial park road Suqian economic and Technological Development Zone on the west side of Zhu Village Zhao Zhuangzu Patentee after: Jiangsu Sino German Packaging Machinery Co., Ltd. Address before: 223802 Jiangsu Province, Suqian City Industrial Park Road on the west side of sankeshu Township Economic and Technological Development Zone (Suqian red dream mattress factory building 2) Patentee before: Guanghua Machinery Manufacturing Limited by Share Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20180622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |