CN103481657A - Stop mechanism for transfer gripper in offset press - Google Patents
Stop mechanism for transfer gripper in offset press Download PDFInfo
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- CN103481657A CN103481657A CN201310413604.4A CN201310413604A CN103481657A CN 103481657 A CN103481657 A CN 103481657A CN 201310413604 A CN201310413604 A CN 201310413604A CN 103481657 A CN103481657 A CN 103481657A
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Abstract
The invention discloses a stop mechanism for a transfer gripper in an offset press. The stop mechanism comprises a transfer roller, a transfer arm, a gripper opening and closing mechanism, and a protection mechanism. The gripper opening and closing mechanism comprises a driving gear, a gripper opening and closing control cam, a pair of driving swing bars, and a swing bar cam, wherein the driving gear and the gripper opening and closing control cam are fixedly mounted on a drive side shaft end of the transfer roller, one end of each driving swing bar is fixedly mounted on a swing bar shaft and the swing bar cam is mounted on a camshaft. The protection mechanism comprises a stop cylinder mounted on the inner side of a transmission side wallboard, a V-shaped swing bar, a stop link and a stop swing bar. The V-shaped swing bar is rotatably mounted on the inner side of a drive side wallboard through a pile head. One end of the V-shaped swing bar is hinged to a piton rod of the stop cylinder, and the other end of the V-shaped swing bar is hinged to one end of the stop link. The other end of the stop link is hinged to one end of the stop swing bar. The other end of the stop swing bar is fixed to the camshaft. The stop mechanism is capable of avoiding waste paper in case of an anomaly of paper on a discharge board.
Description
Technical field
The present invention relates to a kind of offset press, be specifically related to a kind of stop mechanism of transfer gripper of offset press, for the defeated paper of offset press, occur that when abnormal, gritting one's teeth on feeding mechanism do not held paper in the month, avoids undesired paper to enter the purpose of printing element.
Background technology
Feeding mechanism in offset press, by the difference of the route mode of transfer, is divided into three major types: directly transfer, transfer and surmount continuous paper indirectly.
Directly transfer, be paper after defeated cardboard location, the mode of directly being held in the mouth by the row of the tooth on impression cylinder.
Transfer indirectly, that paper is after defeated cardboard location, first the tooth row by feeding mechanism holds in the mouth, given again the mode of the tooth row on impression cylinder by transfer gripper row, in the middle of it, the feeding mechanism of process has a lot of different ways of realization, and sway downward paper feeding mechanical is a kind of transfer form be most widely used.
Surmount continuous paper, be different from above-mentioned two kinds of modes, the positioning element of paper, not on defeated cardboard, and is arranged on impression cylinder.When paper sends through defeated cardboard, its speed is slightly larger than the superficial velocity of impression cylinder, and paper utilizes speed difference to position exactly, and then the tooth row who is stamped on cylinder holds in the mouth.
In above-mentioned three kinds of transfer forms, only have the mode of indirect transfer need special, independently feeding mechanism carries out the transmission work of paper.Feeding mechanism is as the critical component of offset press, it need to meet the function of sheets when defeated paper is normal, simultaneously at defeated paper during extremely as situations such as double sheets, offside, askew, transfer gripper must stop holding in the month paper, in order to avoid abnormal paper is delivered to printing element, produce useless, even damage equipment.
Disclose a kind of " the opening and closing mechanism of sway downward paper feeding mechanical " in the utility model patent that the applicant is ZL201120434540.2 in the patent No., its operation principle as shown in Figure 1.The main motor-driven gear 18 of offset press and transfer gripper are controlled cam 2 rotations, the peripheral curve of the main cam of transfer gripper control cam 2 and the peripheral curve of auxiliary cam drive respectively a pair of transfer gripper fork 4, 14, this a pair of fork 4, 14 drive arm shaft 23 to realize that expection swings by key again, by the swing arm 13 be packed on arm shaft 23, drive swing link cam 6 to realize that expection swings again, the afterbody of swing link cam 6 is by forming force-closed with swing arm 13 under the normal printing state of acting on of stage clip 5, make swing link cam 6(see that Fig. 2 termination boss working face (seeing the II in Fig. 2 b) a) contacts with the roller in swing arm 13 all the time.When the transfer hand swings to defeated cardboard 40 place, keeping static slightly stops, now swing link cam 6 is counterclockwise swung to extreme higher position by low level, thereby make opening and closing ball 10 drive the axle 9 of gritting one's teeth to make transfer gripper 8 bite the paper on defeated cardboard 40 with bite-block 7 closures, paper is stung in realization, and the transfer hand accelerates to swing to sheet transfer drum again, in this process, the head of swing link cam 6 keeps extreme higher position, that is to say that transfer gripper 8 and bite-block 7 keep stinging the paper state.When the transfer hand swings to the position of sheet transfer drum, keep synchronized with sheet transfer drum, now the head of swing link cam 6 clockwise by extreme higher position to lower swing, thereby make the interior opening and closing ball 10 of curved groove I that is embedded in swing link cam 6 drive the axle 9 of gritting one's teeth, and drive transfer gripper 8 opens with bite-block 7, paper passes to sheet transfer drum from the transfer hand, realizes the normal handing-over of paper.After having joined, paper is along with the printing element that rotates into of sheet transfer drum, and after this, the transfer hand continues the bottom and slowly slows down, until swing to bottom, stops, and steadily returns to subsequently defeated cardboard 40 places again, waits for and gets paper next time.
And when paper the location abnormal conditions occur at defeated cardboard 40 places, the control system of offset press is controlled the stop mechanism action, when the head of swing link cam 6 will swing to extreme higher position with counter clockwise direction by low level, the piston rod of protection cylinder 22 stretches out and drives limited block 20 to rotate, make seam on limited block 20 just in time with the seam clamping of the limited block 21 of swing link cam 6 afterbodys, stop the head of swing link cam 6 to continue to swing to extreme higher position, so that the roller in swing arm 13 separates with the boss working face II of swing link cam 6, in the stroke swung to defeated cardboard 40 places in feeder swing arm 11, the head of swing link cam 6 is in low level, when even feeder swing arm 11 swings to defeated cardboard 40 place, the opening and closing ball 10 be embedded in the curved groove I of swing link cam 6 can't drive the axle 9 of gritting one's teeth, make transfer gripper 8 and bite-block 7 also in open configuration, paper will be retained on defeated cardboard 40, and can not passed to sheet transfer drum by the transfer hand, thereby avoid useless to produce, effectively save paper, cut the waste.Until after the abnormal conditions elimination, the piston rod retraction of protection cylinder 22, swing link cam 6 continues the swing of expection again.
The technical scheme of above-mentioned utility model patent also Shortcomings part is:
Also there is following deficiency in the technical scheme of above-mentioned utility model patent:
1. by spring 5, the boss on swing link cam 6 is contacted all the time with the roller in swing arm 13, because there is the variation of power in spring 5, easily cause swing link cam-spring system impact shock, while particularly running up, to paper, handing-over is transmitted and is had a negative impact;
2. the complex structure of swing link cam 6, have two working faces (curved groove I as shown in Figure 2 b and boss II), is difficult to guarantee machining accuracy, makes processing cost higher.
3. when defeated paper is abnormal, the boss working face II of swing link cam 6 can not contact all the time with the roller in swing arm 13, will inevitably make the generation impact phenomenon of the boss working face II of roller in swing arm 13 and swing link cam 6, affect roller in swing arm 13 and the service life of swing link cam 6, the precision and stability that while affecting high speed printing, paper transmits.
Summary of the invention
The object of the invention is to overcome the defect of prior art, a kind of stop mechanism of transfer gripper of offset press is provided, when abnormal conditions appear in its paper on defeated cardboard, can avoid useless to produce, effectively save paper, cut the waste, and the impact phenomenon can avoid high speed printing the time, the precision and stability that paper transmits improved.
The object of the present invention is achieved like this: a kind of stop mechanism of transfer gripper of offset press comprises the driving side wallboard that is connected across offset press and the sheet transfer drum between the fore side wallboard, transfer hand, grit one's teeth switching mechanism and protection mechanism; Wherein,
Described transfer hand comprise the transfer main shaft that is connected across between described driving side wallboard and fore side wallboard, one to one end be packed in respectively transfer main shaft two the transfer swing arm, be connected across the gripper cushion mounting plate between the other end of a pair of transfer swing arm and the axle of gritting one's teeth, a plurality of compartment of terrain and be arranged on bite-block on gripper cushion mounting plate, a plurality ofly be sleeved on the axle of gritting one's teeth and the transfer gripper corresponding with bite-block and is arranged on the opening and closing ball of the driving end of the axle of gritting one's teeth;
The described switching mechanism of gritting one's teeth comprises that a pair of active fork, that the driving gear on the driving side spindle nose that is packed in described sheet transfer drum and the open and close controlling cam of gritting one's teeth, an end are packed on a fork axle is arranged on swing link cam, a transition fork and the kinematic link on a camshaft; Main cam and auxiliary cam that the described open and close controlling cam of gritting one's teeth is conjugate curves by peripheral curve form; The other end of described a pair of transmission fork coincide correspondingly on the peripheral curve of the main cam of the described open and close controlling cam of gritting one's teeth and the peripheral curve of auxiliary cam on; One end of described transition fork is packed on described fork axle; One end of described kinematic link and the other end of described transition fork are hinged; The distance that described camshaft is a center of rotation and geometric center is the eccentric shaft of e; Described swing link cam comprises head and the afterbody that oscillation center and an end are connected with oscillation center respectively, with the geometric center with described camshaft, concentric mode is hinged on described camshaft the oscillation center of this swing link cam, the other end of the afterbody of this swing link cam and the other end of described connecting rod are hinged, offer an arc groove on the medial surface of the head of this swing link cam, so that described opening and closing ball rollably is embedded in this arc groove;
Described protection mechanism comprises that one is arranged on stop cylinder, a V-arrangement fork, a stop connecting rod and the stop fork on the medial surface of described transmission side wallboard; Described V-arrangement fork is installed in rotation on by a pile crown on the medial surface of described driving side wallboard, and an end of this V-arrangement fork and the piston rod of described stop cylinder are hinged, and an end of the other end of this V-arrangement fork and described stop connecting rod is hinged; One end of the other end of described stop connecting rod and described stop fork is hinged; The other end of described stop fork is packed on described camshaft.
The stop mechanism of the transfer gripper of above-mentioned offset press, wherein, a bell-type bracing frame is also installed in the outside of described driving side wallboard; The driving side spindle nose of described sheet transfer drum and the driving side spindle nose of described transfer main shaft pass respectively described driving side wallboard and are arranged on support frame as described above by bearing; Described fork axle and described power transmission shaft are connected across between described driving side wallboard and support frame as described above by bearing respectively.
The stop mechanism of the transfer gripper of above-mentioned offset press, wherein, install a L bracket on the medial surface of described driving side wallboard, described camshaft is connected across between described driving side wallboard and described L bracket by bearing.
The stop mechanism of the transfer gripper of above-mentioned offset press, wherein, an end of described a pair of active fork and an end of transition fork are packed on described fork axle by key.
The stop mechanism of the transfer gripper of above-mentioned offset press, wherein, the other end of described stop fork is by key and hold screw tightly and be packed on described camshaft.
The technical scheme of the stop mechanism of the transfer gripper of offset press of the present invention has can make paper steadily join in high speed printing, when abnormal conditions appear in the paper on defeated cardboard, can avoid useless to produce, effectively save paper, cut the waste, and the impact phenomenon can avoid high speed printing the time, improve the precision and stability that paper transmits.The stop mechanism of transfer gripper of the present invention compared with prior art also has following characteristics:
First: whole mechanism does not have spring, and the impact shock while having avoided the pressure of spring to change, swing link cam-spring system caused, be conducive to paper and steadily join;
Second: adopt transition fork and kinematic link to drive swing link cam, mechanism is taken up room less, structure is simpler;
The the 3rd: only have a curved groove on swing link cam, and this curved groove is offered into to arc groove, the structure of swing link cam is significantly simplified, be conducive to improve machining accuracy, further reduce costs.
The accompanying drawing explanation
The fundamental diagram of the mechanism of the opening and closing for sway downward paper feeding mechanical that Fig. 1 is prior art;
The structural representation of the mechanism of the opening and closing for the sway downward paper feeding mechanical swing link cam that Fig. 2 a is prior art;
Fig. 2 b is that A in Fig. 2 a is to view;
The profile of the stop mechanism of the transfer gripper that Fig. 3 is offset press of the present invention;
The side view of the stop mechanism of the transfer gripper that Fig. 4 is offset press of the present invention;
The structural representation of the swing link cam in the transfer gripper mechanism that Fig. 5 a is offset press of the present invention;
Fig. 5 b is that B in Fig. 5 a is to view;
Fig. 5 c is that C in Fig. 5 a is to view;
The fundamental diagram of the stop mechanism of the transfer gripper that Fig. 6 is offset press of the present invention;
The fundamental diagram of the camshaft in the stop mechanism of the transfer gripper that Fig. 7 is offset press of the present invention.
The specific embodiment
In order to be understood technical scheme of the present invention better, below by specific embodiment, also be described in detail by reference to the accompanying drawings.
Refer to Fig. 3 to Fig. 5 c, the stop mechanism of the transfer gripper of a kind of offset press of the present invention, comprise the driving side wallboard 29 that is connected across offset press and the sheet transfer drum 26 between the fore side wallboard, transfer hand, grit one's teeth switching mechanism and protection mechanism.
The transfer hand comprise the transfer main shaft 24 that is connected across between driving side wallboard 29 and fore side wallboard, one to one end be packed in respectively transfer main shaft 24 two transfer swing arm 3, be connected across the gripper cushion mounting plate between the other end of a pair of transfer swing arm 3 and the axle 18 of gritting one's teeth, a plurality of compartment of terrain and be arranged on bite-block 20 on gripper cushion mounting plate, a plurality ofly be sleeved on the axle 18 of gritting one's teeth and the transfer gripper 19 and corresponding with bite-block 20 is arranged on the opening and closing ball 17 of the driving end of the axle 18 of gritting one's teeth.The driving side spindle nose of transfer main shaft 24 passes driving side wallboard 29 and is arranged on by bearing on the base plate of bracing frame 30.
The switching mechanism of gritting one's teeth comprises driving gear 8, the open and close controlling of gritting one's teeth cam 2, a pair of active fork 4,5, a transition fork 10, a kinematic link 11 and a swing link cam 12, wherein:
Driving gear 8 and the open and close controlling cam 2 of gritting one's teeth are packed on the driving side spindle nose of sheet transfer drum 26;
Main cam and auxiliary cam that the open and close controlling of gritting one's teeth cam 2 is conjugate curves by peripheral curve form;
One end of a pair of active fork 4,5 and an end of transition fork 10 are packed on a fork axle 23 by key, and this fork axle 23 is connected across between the base plate of driving side wallboard 29 and bracing frame 30 by bearing; The other end of a pair of active fork 4,5 with roller coincide correspondingly on the peripheral curve of the main cam of the open and close controlling cam 2 of gritting one's teeth and on the peripheral curve of auxiliary cam;
One end of kinematic link 11 and the other end of transition fork 10 are hinged;
Stop cylinder 16 is arranged on the medial surface of transmission side wallboard 29 by a pile crown 31;
Protection mechanism comprises a stop cylinder 16, a V-arrangement fork 15, a stop connecting rod 14 and stop fork 27, wherein:
Stop cylinder 16 is arranged on the medial surface of transmission side wallboard 29 by a pile crown 31;
V-arrangement fork 15 is installed in rotation on the medial surface of driving side wallboard 29 by a pile crown 25, and an end of this V-arrangement fork 15 and the piston rod of stop cylinder 16 are hinged, and an end of the other end of this V-arrangement fork 15 and stop connecting rod 14 is hinged; One end of the other end of stop connecting rod 14 and stop fork 27 is hinged; The other end of stop fork 27 is by key and hold screw tightly and be packed on camshaft 13.
Refer to Fig. 6 and Fig. 7, the operation principle of the stop mechanism of the transfer gripper of offset press of the present invention is again:
The main motor of offset press drives driving gear 8 and grits one's teeth 2 rotations of open and close controlling cam.The peripheral curve of the main cam of the open and close controlling of gritting one's teeth cam 2 and the peripheral curve of auxiliary cam drive respectively a pair of active fork 4,5, this a pair of active fork 4,5 forms how much sealings, because an end and a pair of active fork 4,5 of transition fork 10 is packed on a fork axle 23 by key, under the driving of the open and close controlling cam 2 of gritting one's teeth, a pair of active fork 4,5 rotates fork axle 23, just make transition fork 10 swing with a pair of active fork 4,5, more hinged kinematic link 13 make swing link cam 12 realize that expection swings by the other end with transition fork 10.
When transfer swing arm 3 swings to defeated cardboard 40 place, keeping static slightly stops, now swing link cam 12 is counterclockwise to be swung to extreme higher position by low level, thereby make opening and closing ball 17 drive the axle 18 of gritting one's teeth to rotate and drive transfer gripper 19 and bite-block 20 closures and bite the paper on defeated cardboard 40, realize that transfer gripper 19 and bite-block 20 sting paper at defeated cardboard 40 places; After this, transfer swing arm 3 is accelerated to swing to sheet transfer drum 26 again, and in this process, the head 121 of swing link cam 12 keeps extreme higher position, and transfer gripper 19 and bite-block 20 keep stinging the paper state; When feeder swing arm 3 swings to sheet transfer drum 26 delivery position, transfer gripper 19 in transfer swing arm 3 keeps identical linear velocity with bite-block 20 and sheet transfer drum 26, now the head 121 of swing link cam 12 is under the driving of the open and close controlling cam 2 of gritting one's teeth, by extreme higher position clockwise direction lower swing, thereby opening and closing ball 17 driven grit one's teeth axle 18 and drive transfer gripper 8 and bite-block 20 opens, paper passes to sheet transfer drum 26 from feeder, realizes the normal handing-over of paper.After having joined, paper is just along with the printing element that rotates into of sheet transfer drum 26, and after this, feeder swing arm 3 continues the bottom and slowly slows down, until swing to bottom, stops, and returns to reposefully more subsequently defeated cardboard 40 places, waits for and gets paper next time.
When defeated paper is normal: the piston rod of stop cylinder 16 is in contraction state, the oscillation center of swing link cam 12, that is the geometric center of camshaft 13 remains on position o(and sees Fig. 7).
When defeated paper is abnormal: the piston rod of stop cylinder 16 stretches out, promoting V-arrangement fork 15 clockwise rotates around pile crown 25, make the hinged end bottom of V-arrangement fork 15 and stop connecting rod 14, stop connecting rod 14 hauls camshaft 13 by stop fork 27 again and rotates counterclockwise, make camshaft 13 turn over an angle around rotating center P, make the geometric center of camshaft 13 forward position o ' (see figure 7) to from position o.Because the oscillation center of swing link cam 12 is exactly the geometric center of camshaft 13, therefore the swing fulcrum of swing link cam 12 also changes (from position o, forwarding position o ' to) along with the rotation of camshaft 13, although the rule when swaying movement regularity of now transfer swing arm 3 is still normal with defeated paper is the same, but because variation has occurred the swing position of the fulcrum of swing link cam 12, reduced the position of the head 121 of swing link cam 12, make the arc groove 120 interior opening and closing balls 17 that are embedded in swing link cam 12 can't drive the axle 18 of gritting one's teeth, so the transfer gripper on the axle 18 of gritting one's teeth 19 can't be fully closed at defeated cardboard 40 places with bite-block 2, have to paper is retained on defeated cardboard 40, and can not passed to sheet transfer drum 26 by the transfer hand, thereby avoid useless to produce, effectively saved paper.Until after the abnormal conditions elimination, the piston rod retraction of stop cylinder 16, swing link cam 12 continues expection again and swings.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (5)
1. the stop mechanism of the transfer gripper of an offset press, comprise the driving side wallboard that is connected across offset press and the sheet transfer drum between the fore side wallboard, transfer hand, grit one's teeth switching mechanism and protection mechanism; Wherein,
Described transfer hand comprise the transfer main shaft that is connected across between described driving side wallboard and fore side wallboard, one to one end be packed in respectively transfer main shaft two the transfer swing arm, be connected across the gripper cushion mounting plate between the other end of a pair of transfer swing arm and the axle of gritting one's teeth, a plurality of compartment of terrain and be arranged on bite-block on gripper cushion mounting plate, a plurality ofly be sleeved on the axle of gritting one's teeth and the transfer gripper corresponding with bite-block and is arranged on the opening and closing ball of the driving end of the axle of gritting one's teeth;
The described switching mechanism of gritting one's teeth comprises that the driving gear on the driving side spindle nose that is packed in described sheet transfer drum and the open and close controlling cam of gritting one's teeth, an end are packed in a pair of active fork and a swing link cam be arranged on a camshaft on a fork axle; Main cam and auxiliary cam that the described open and close controlling cam of gritting one's teeth is conjugate curves by peripheral curve form; The other end of described a pair of transmission fork coincide correspondingly on the peripheral curve of the main cam of the described open and close controlling cam of gritting one's teeth and the peripheral curve of auxiliary cam on;
Described protection mechanism comprises that one is arranged on the stop cylinder on the medial surface of described transmission side wallboard;
It is characterized in that,
The described switching mechanism of gritting one's teeth also comprises a transition fork and a kinematic link, and wherein, an end of described transition fork is packed on described fork axle; One end of described kinematic link and the other end of described transition fork are hinged; The distance that described camshaft is a center of rotation and geometric center is the eccentric shaft of e; Described swing link cam comprises head and the afterbody that oscillation center and an end are connected with oscillation center respectively, with the geometric center with described camshaft, concentric mode is hinged on described camshaft the oscillation center of this swing link cam, the other end of the afterbody of this swing link cam and the other end of described connecting rod are hinged, offer an arc groove on the medial surface of the head of this swing link cam, so that described opening and closing ball rollably is embedded in this arc groove;
Described protection mechanism also comprises a V-arrangement fork, a stop connecting rod and stop fork, wherein, described V-arrangement fork is installed in rotation on the medial surface of described driving side wallboard by a pile crown, one end of this V-arrangement fork and the piston rod of described stop cylinder are hinged, and an end of the other end of this V-arrangement fork and described stop connecting rod is hinged; One end of the other end of described stop connecting rod and described stop fork is hinged; The other end of described stop fork is packed on described camshaft.
2. the stop mechanism of the transfer gripper of offset press according to claim 1, is characterized in that, a bell-type bracing frame is also installed in the outside of described driving side wallboard;
The driving side spindle nose of described sheet transfer drum and the driving side spindle nose of described transfer main shaft pass respectively described driving side wallboard and are arranged on support frame as described above by bearing;
Described fork axle and described power transmission shaft are connected across between described driving side wallboard and support frame as described above by bearing respectively.
3. the stop mechanism of the transfer gripper of offset press according to claim 1, is characterized in that, a L bracket is installed on the medial surface of described driving side wallboard, and described camshaft is connected across between described driving side wallboard and described L bracket by bearing.
4. the stop mechanism of the transfer gripper of offset press according to claim 1, is characterized in that, an end of described a pair of active fork and an end of transition fork are packed on described fork axle by key.
5. the stop mechanism of the transfer gripper of offset press according to claim 1, is characterized in that, the other end of described stop fork is by key and hold screw tightly and be packed on described camshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413604.4A CN103481657B (en) | 2013-09-12 | 2013-09-12 | A kind of stop mechanism of transfer gripper of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413604.4A CN103481657B (en) | 2013-09-12 | 2013-09-12 | A kind of stop mechanism of transfer gripper of offset press |
Publications (2)
| Publication Number | Publication Date |
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| CN103481657A true CN103481657A (en) | 2014-01-01 |
| CN103481657B CN103481657B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310413604.4A Expired - Fee Related CN103481657B (en) | 2013-09-12 | 2013-09-12 | A kind of stop mechanism of transfer gripper of offset press |
Country Status (1)
| Country | Link |
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| CN (1) | CN103481657B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015168213A (en) * | 2014-03-10 | 2015-09-28 | 上海光華印刷機械有限公司 | Swing stopper mechanism for offset printer |
| JP2015168214A (en) * | 2014-03-10 | 2015-09-28 | 上海光華印刷機械有限公司 | Swing mechanism for off-set printer |
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| US4503772A (en) * | 1981-04-21 | 1985-03-12 | Komori Printing Machine Co., Ltd. | Gripper pad height adjusting device for sheet-fed rotary printing presses |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015168213A (en) * | 2014-03-10 | 2015-09-28 | 上海光華印刷機械有限公司 | Swing stopper mechanism for offset printer |
| JP2015168214A (en) * | 2014-03-10 | 2015-09-28 | 上海光華印刷機械有限公司 | Swing mechanism for off-set printer |
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| Publication number | Publication date |
|---|---|
| CN103481657B (en) | 2015-10-28 |
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