CN204894757U - Screen printing machine's last paper mechanism - Google Patents

Screen printing machine's last paper mechanism Download PDF

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Publication number
CN204894757U
CN204894757U CN201520538068.5U CN201520538068U CN204894757U CN 204894757 U CN204894757 U CN 204894757U CN 201520538068 U CN201520538068 U CN 201520538068U CN 204894757 U CN204894757 U CN 204894757U
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CN
China
Prior art keywords
lifting chain
crossbeam
driving shaft
driven
sprocket
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Application number
CN201520538068.5U
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Chinese (zh)
Inventor
张立南
陈辉龙
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GUANGXI ZHENLONG COLOUR PRINTING AND PACKAGING CO Ltd
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GUANGXI ZHENLONG COLOUR PRINTING AND PACKAGING CO Ltd
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Priority to CN201520538068.5U priority Critical patent/CN204894757U/en
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Publication of CN204894757U publication Critical patent/CN204894757U/en
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Abstract

The utility model provides a screen printing machine's last paper mechanism, includes that frame and arm elevator construct characterized by: arm elevator constructs including first promotion chain, second promotion chain, third promotion chain and fourth promotion chain, be equipped with a plurality of joint pieces on first promotion chain, second promotion chain, third promotion chain and the fourth promotion chain respectively, go up paper mechanism and include still that four bearing crossbeams and crossbeam are put and put the frame, the joint groove at bearing crossbeam both ends respectively with first promotion chain, third promotion chain on the joint piece joint that corresponds, the joint groove at another bearing crossbeam both ends respectively with second promotion chain, fourth promotion chain on the joint piece joint that corresponds, all the other two bearing crossbeams place the crossbeam put the frame on. The utility model discloses work efficiency is higher, can effectively improve screen printing machine's production efficiency, and, put and put the frame through setting up the crossbeam, the paper of face keeps clean with placing above that can to make reserve bearing crossbeam to ensure the personal security.

Description

The paper feeding mechanism of screen process press
Technical field
The utility model relates to printing machinery, is specifically related to a kind of paper feeding mechanism of screen process press.
Background technology
The paper feeding mechanism of screen process press generally includes paper feeding mechanism and sheet feeding-device (be commonly called as and fly to reach), paper feeding mechanism is for placing bundle of papers to be printed, paper on paper feeding mechanism is passed to paper delivering mechanism front end by sheet feeding-device one by one, the paper sent by paper feeding mechanism by paper delivering mechanism is again sent to silk-screen printing device, solidification equipment and delivery device successively, after carrying out serigraphy, solidification drying successively by silk-screen printing device, solidification equipment, the printed matter obtained is collected by delivery device.
Paper feeding mechanism comprises frame, bracket and tray elevator character structure, and tray elevator character structure is located in frame, and bracket is connected with tray elevator character structure.Bundle of papers to be printed is placed on a base plate usually, and this base plate is placed on bracket, and bracket progressively rises under the driving of tray elevator character structure; Paper feed mechanism is taken uppermost a piece of paper at every turn away and is opened and deliver to paper feed mechanism front end, and then bracket and bundle of papers above thereof rise a step pitch (this step pitch size is the thickness that a piece of paper is opened).
In existing paper feeding mechanism, bracket is fixedly connected with tray elevator character structure, after a stacker is opened and is finished, first bracket is declined and be reset to low spot, after taking off empty base plate, move on bracket by new bundle of papers together with the base plate below it again, then bracket, base plate and bundle of papers above thereof promote by tray elevator character structure more together, make uppermost paper arrive predetermined altitude.This upper paper mode is batch (-type), a stacker open be finished after just can put into a new stacker and open, and after a stacker is opened and is finished, bracket decline resets, take off empty base plate, put into new bundle of papers, promote the operations such as new bundle of papers must sequentially carry out, spended time is quite long, inefficiency, and in this process, screen process press is in holding state (namely not printing), and the production efficiency of screen process press is reduced greatly.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of paper feeding mechanism of screen process press, and this paper feeding mechanism operating efficiency is higher, effectively can improve the production efficiency of screen process press.The technical scheme adopted is as follows:
A kind of paper feeding mechanism of screen process press, comprise frame and tray elevator character structure, tray elevator character structure is located in frame, it is characterized in that: described tray elevator character structure comprises lifting motor, left driving shaft, left driven shaft, right driving shaft, right driven shaft, the first lifting chain, the second lifting chain, the 3rd lifting chain and the 4th lifting chain; Move towards before and after left driving shaft, left driven shaft, right driving shaft and right driven shaft are and be rotatably arranged in frame, about left driving shaft, right driving shaft side by side, about left driven shaft, right driven shaft side by side, left driving shaft is in above left driven shaft, right driving shaft is in above right driven shaft, and left driving shaft is all connected with the pto of lifting motor with right driving shaft; Left driving shaft front end is provided with the first drive sprocket, rear end is provided with the second drive sprocket, left driven shaft front end is provided with the first driven sprocket, rear end is provided with the second driven sprocket, first lifting chain is arranged on the first drive sprocket, the first driven sprocket, and the second lifting chain is arranged on the second drive sprocket, the second driven sprocket; Right driving shaft front end is provided with the 3rd drive sprocket, rear end is provided with the 4th drive sprocket, right driven shaft front end is provided with the 3rd driven sprocket, rear end is provided with the 4th driven sprocket, 3rd lifting chain is arranged on the 3rd drive sprocket, the 3rd driven sprocket, and the 4th lifting chain is arranged on the 4th drive sprocket, the 4th driven sprocket; First lifting chain, the second lifting chain, the 3rd lifting chain and the 4th lifting chain are respectively equipped with multiple clamping block, and the first lifting chain, the second lifting chain, the 3rd lifting chain is identical with the clamping block quantity on the 4th lifting chain and position is corresponding; Described paper feeding mechanism also comprises four support crossbeams and crossbeam rack for placing, crossbeam rack for placing is located in frame, support crossbeam two ends are respectively equipped with a buckling groove, the clamping block clamping that the buckling groove at one support crossbeam two ends is corresponding with on the first lifting chain, the 3rd lifting chain respectively, the clamping block clamping that the buckling groove at another support crossbeam two ends is corresponding with on the second lifting chain, the 4th lifting chain respectively, all the other two support crossbeams are placed on crossbeam rack for placing.
Above-mentioned four support crossbeams are divided into two groups, alternation, wherein: have two support crossbeams (namely two ends respectively with the support crossbeam of the first lifting chain, the 3rd lifting chain clamping, and two ends respectively with the support crossbeam of the second lifting chain, the 4th lifting chain clamping) be in operating position, be connected with tray elevator character structure by buckling groove, clamping block and form bracket; Two other support crossbeam be placed on crossbeam rack for placing is for subsequent use, also forms bracket after two support crossbeams for subsequent use are connected with tray elevator character structure.Like this, when be in the stacker above on operating position two support crossbeams open be about to be finished time, in advance for subsequent use two support crossbeams can be placed into the appropriate location between each lifting chain, again new bundle of papers is moved to above it together with base plate, make new bundle of papers be in readiness (new bundle of papers be in the stacker being about to be finished open immediately below); When an original stacker open be finished time, only need take off empty base plate and two support crossbeams of this base plate of rest, then each lifting chain is driven, the clamping block clamping that two support crossbeam two ends originally for subsequent use are corresponding with on each lifting chain can be made, form new bracket, subsequently new bundle of papers is raised to desired location, sheet feeding-device can be continued as paper is provided.Due to prepare new bundle of papers major part operation can open in an original stacker be finished before carry out, therefore greatly can shorten the stand-by time of screen process press, enhance productivity.And, two support crossbeams for subsequent use are placed by arranging crossbeam rack for placing, support crossbeam can be avoided to be adhered to by the ground grains of sand, little aggregate chips, and make support crossbeam and the paper in the face that is placed on it maintenance cleaning, particularly its silk-screen plate is impaired to avoid screen process press.In addition, utilize crossbeam rack for placing to place two support crossbeams for subsequent use, also can avoid because support crossbeam for subsequent use arbitrarily places and stepped on by staff or stumble, guaranteeing production safety.
Under normal circumstances, above-mentioned first lifting chain, the second lifting chain, the 3rd lifting chain and the 4th lifting chain are respectively equipped with 2-4 clamping block, and clamping block all equidistantly distributes on each lifting chain.
In preferred version, support crossbeam detent mechanism is also provided with bottom above-mentioned frame, support crossbeam detent mechanism comprises base and four locating dowels, four locating dowel lower ends are fixedly connected with base, wherein two locating dowels are on the line between the first driven sprocket and the 3rd driven sprocket, and two other locating dowel is on the line between the second driven sprocket and the 4th driven sprocket; Support crossbeam is provided with the slot coordinated do grafting with locating dowel.When be in the stacker above on operating position two support crossbeams open be about to be finished time, for subsequent use support crossbeam is placed between the first driven sprocket and the 3rd driven sprocket, and make the slot on this support crossbeam and be in two locating dowel grafting on the line between the first driven sprocket and the 3rd driven sprocket, by these two locating dowels, this support crossbeam is positioned; Equally, another support crossbeam for subsequent use is placed between the second driven sprocket and the 4th driven sprocket, and make the slot on this support crossbeam and be in two locating dowel grafting on the line between the second driven sprocket and the 4th driven sprocket, by these two locating dowels, this support crossbeam is positioned.Like this, new bundle of papers is being moved to together with base plate in the process of these two support crossbeam upper, this two support crossbeams dislocation can avoided, guaranteeing that these two support crossbeam two ends clamping block corresponding with on each lifting chain can position clamping exactly.
The utility model adopts four support crossbeams to be divided into two groups, upper paper is carried out in alternation, due to prepare new bundle of papers major part operation can open in an original stacker be finished before carry out, therefore operating efficiency is higher, greatly can shorten the stand-by time of screen process press, effectively can improve the production efficiency of screen process press.And, two support crossbeams for subsequent use are placed by arranging crossbeam rack for placing, support crossbeam can be avoided to be adhered to by the ground grains of sand, little aggregate chips, and make support crossbeam and the paper in the face that is placed on it maintenance cleaning, particularly its silk-screen plate is impaired to avoid screen process press; Utilize crossbeam rack for placing to place two support crossbeams for subsequent use, also can avoid because support crossbeam for subsequent use arbitrarily places and stepped on by staff or stumble, guaranteeing production safety.
Accompanying drawing explanation
Fig. 1 is the structural representation (in order to more clearly express tray elevator character structure, not drawing frame front part) of the utility model preferred embodiment;
Fig. 2 is the front view of tray elevator character structure in the utility model preferred embodiment;
Fig. 3 is the structural representation (looking up direction) of support crossbeam in the utility model preferred embodiment.
Detailed description of the invention
As depicted in figs. 1 and 2, the paper feeding mechanism of this screen process press comprises frame 1 and tray elevator character structure, and tray elevator character structure is located in frame 1.Tray elevator character structure comprises lifting motor (not shown in FIG.), left driving shaft 2, left driven shaft 3, right driving shaft 4, right driven shaft 5, first lifting chain 6, second lifting chain 7, the 3rd lifting chain 8 and the 4th lifting chain 9; Move towards before and after left driving shaft 2, left driven shaft 3, right driving shaft 4 and right driven shaft 5 are and be rotatably arranged on (left driving shaft 2, left driven shaft 3, right driving shaft 4 and right driven shaft 5 are arranged in frame 1 by bearing usually) in frame 1, left driving shaft 2, right driving shaft about 4 are side by side, left driven shaft 3, right driven shaft about 5 are side by side, left driving shaft 2 is in above left driven shaft 3, right driving shaft 4 is in above right driven shaft 5, and left driving shaft 2 is all connected with the pto of lifting motor with right driving shaft 4; Left driving shaft 2 front end is provided with the first drive sprocket 10, rear end is provided with the second drive sprocket 11, left driven shaft 3 front end is provided with the first driven sprocket 12, rear end is provided with the second driven sprocket 13, first lifting chain 6 is arranged on the first drive sprocket 10, first driven sprocket 12, and the second lifting chain 7 is arranged on the second drive sprocket 11, second driven sprocket 13; Right driving shaft 4 front end is provided with the 3rd drive sprocket 14, rear end is provided with the 4th drive sprocket 15, right driven shaft 5 front end is provided with the 3rd driven sprocket 16, rear end is provided with the 4th driven sprocket 17,3rd lifting chain 8 is arranged on the 3rd drive sprocket 14, the 3rd driven sprocket 16, and the 4th lifting chain 9 is arranged on the 4th drive sprocket 15, the 4th driven sprocket 17; First lifting chain 6, second lifting chain 7, the 3rd lifting chain 8 and the 4th lifting chain 9 are respectively equipped with multiple clamping block 18, first lifting chain 6, second lifting chain 7, the 3rd lifting chain 8 is identical with clamping block 18 quantity on the 4th lifting chain 9 and position is corresponding (in the present embodiment, first lifting chain 6, second lifting chain 7, the 3rd lifting chain 8 and the 4th lifting chain 9 are respectively equipped with two clamping blocks 18, and clamping block 18 all equidistantly distributes on each lifting chain).Above-mentioned paper feeding mechanism also comprises four support crossbeams 19 and crossbeam rack for placing 20, and crossbeam rack for placing 20 is located in frame 1; With reference to figure 3, support crossbeam 19 two ends are respectively equipped with a buckling groove 191, clamping block 18 clamping that the buckling groove 191 at one support crossbeam 19 two ends is corresponding with on the first lifting chain 6, the 3rd lifting chain 8 respectively, clamping block 18 clamping that the buckling groove 191 at another support crossbeam 19 two ends is corresponding with on the second lifting chain 7, the 4th lifting chain 9 respectively, all the other two support crossbeams 19 are placed on crossbeam rack for placing 20.
In the present embodiment, support crossbeam detent mechanism is also provided with bottom frame 1, support crossbeam detent mechanism comprises base 21 and four locating dowels 22, four locating dowel 22 lower ends are fixedly connected with base 21, wherein two locating dowels 22 are on the line between the first driven sprocket 12 and the 3rd driven sprocket 16, and two other locating dowel 22 is on the line between the second driven sprocket 13 and the 4th driven sprocket 17; Support crossbeam 19 is provided with the slot 192 coordinated do grafting with locating dowel 11.
The operation principle of brief description once this paper feeding mechanism:
Four support crossbeams 19 are divided into two groups, alternation, wherein: have two support crossbeam 19(and two ends respectively with the support crossbeam of the first lifting chain, the 3rd lifting chain clamping, and two ends respectively with the support crossbeam of the second lifting chain, the 4th lifting chain clamping) be in operating position, be connected with tray elevator character structure by buckling groove 191, clamping block 18 and form bracket; Two other support crossbeam 19 be placed on crossbeam rack for placing 20 is for subsequent use, also forms bracket after two support crossbeams 19 for subsequent use are connected with tray elevator character structure.
With reference to figure 2, bundle of papers 23 to be printed is placed on a base plate 24, and this base plate 24 is placed on bracket.Lifting motor drives left driving shaft 2 and right driving shaft 4 to rotate, make the straightway inside the first lifting chain 6, second lifting chain 7, the 3rd lifting chain 8 and the 4th lifting chain 9 synchronously progressively increase, thus make bracket and base plate above 24 thereof, bundle of papers 23 progressively rises; Paper feed mechanism is taken uppermost a piece of paper at every turn away and is opened and deliver to paper feed mechanism front end, and then bracket and bundle of papers above 23 thereof rise a step pitch (this step pitch size is the thickness that a piece of paper is opened).
When the stacker being in (namely above bracket) above on operating position two support crossbeams 19 open be about to be finished time, by for subsequent use two support crossbeams 19, for subsequent use support crossbeam 19 (is placed between the first driven sprocket 12 and the 3rd driven sprocket 16 by the appropriate location be placed between each lifting chain in advance, and make the slot 192 on this support crossbeam 19 and be in two locating dowels 22 grafting on the line between the first driven sprocket 12 and the 3rd driven sprocket 16, by these two locating dowels 22, this support crossbeam 19 is positioned; Equally, another support crossbeam 19 for subsequent use is placed between the second driven sprocket 13 and the 4th driven sprocket 17, and make the slot 192 on this support crossbeam 19 and be in two locating dowels 22 grafting on the line between the second driven sprocket 13 and the 4th driven sprocket 17, by these two locating dowels 22, this support crossbeam 19 is positioned), again new bundle of papers 23 is moved to above it together with base plate 24, make new bundle of papers 23 be in readiness (new bundle of papers 23 be in the stacker being about to be finished open immediately below); When an original stacker open 23 be finished time, take off empty base plate 24 and two support crossbeams 19 of this base plate of rest, then each lifting chain is driven, clamping block 18 clamping that two support crossbeam 19 two ends originally for subsequent use are corresponding with on each lifting chain can be made, form new bracket, subsequently new bundle of papers is raised to desired location, sheet feeding-device can be continued as paper is provided.

Claims (2)

1. the paper feeding mechanism of a screen process press, comprise frame and tray elevator character structure, tray elevator character structure is located in frame, it is characterized in that: described tray elevator character structure comprises lifting motor, left driving shaft, left driven shaft, right driving shaft, right driven shaft, the first lifting chain, the second lifting chain, the 3rd lifting chain and the 4th lifting chain; Move towards before and after left driving shaft, left driven shaft, right driving shaft and right driven shaft are and be rotatably arranged in frame, about left driving shaft, right driving shaft side by side, about left driven shaft, right driven shaft side by side, left driving shaft is in above left driven shaft, right driving shaft is in above right driven shaft, and left driving shaft is all connected with the pto of lifting motor with right driving shaft; Left driving shaft front end is provided with the first drive sprocket, rear end is provided with the second drive sprocket, left driven shaft front end is provided with the first driven sprocket, rear end is provided with the second driven sprocket, first lifting chain is arranged on the first drive sprocket, the first driven sprocket, and the second lifting chain is arranged on the second drive sprocket, the second driven sprocket; Right driving shaft front end is provided with the 3rd drive sprocket, rear end is provided with the 4th drive sprocket, right driven shaft front end is provided with the 3rd driven sprocket, rear end is provided with the 4th driven sprocket, 3rd lifting chain is arranged on the 3rd drive sprocket, the 3rd driven sprocket, and the 4th lifting chain is arranged on the 4th drive sprocket, the 4th driven sprocket; First lifting chain, the second lifting chain, the 3rd lifting chain and the 4th lifting chain are respectively equipped with multiple clamping block, and the first lifting chain, the second lifting chain, the 3rd lifting chain is identical with the clamping block quantity on the 4th lifting chain and position is corresponding; Described paper feeding mechanism also comprises four support crossbeams and crossbeam rack for placing, crossbeam rack for placing is located in frame, support crossbeam two ends are respectively equipped with a buckling groove, the clamping block clamping that the buckling groove at one support crossbeam two ends is corresponding with on the first lifting chain, the 3rd lifting chain respectively, the clamping block clamping that the buckling groove at another support crossbeam two ends is corresponding with on the second lifting chain, the 4th lifting chain respectively, all the other two support crossbeams are placed on crossbeam rack for placing.
2. the paper feeding mechanism of screen process press according to claim 1, it is characterized in that: bottom described frame, be also provided with support crossbeam detent mechanism, support crossbeam detent mechanism comprises base and four locating dowels, four locating dowel lower ends are fixedly connected with base, wherein two locating dowels are on the line between the first driven sprocket and the 3rd driven sprocket, and two other locating dowel is on the line between the second driven sprocket and the 4th driven sprocket; Support crossbeam is provided with the slot coordinated do grafting with locating dowel.
CN201520538068.5U 2015-07-23 2015-07-23 Screen printing machine's last paper mechanism Active CN204894757U (en)

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Application Number Priority Date Filing Date Title
CN201520538068.5U CN204894757U (en) 2015-07-23 2015-07-23 Screen printing machine's last paper mechanism

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Application Number Priority Date Filing Date Title
CN201520538068.5U CN204894757U (en) 2015-07-23 2015-07-23 Screen printing machine's last paper mechanism

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106315175A (en) * 2016-08-26 2017-01-11 河南省新斗彩印刷有限公司 Offset press paper feeding paper-pile precise centring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106315175A (en) * 2016-08-26 2017-01-11 河南省新斗彩印刷有限公司 Offset press paper feeding paper-pile precise centring device

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