CN201124612Y - Sway downward paper feeding mechanism of offset press - Google Patents
Sway downward paper feeding mechanism of offset press Download PDFInfo
- Publication number
- CN201124612Y CN201124612Y CNU2007200769264U CN200720076926U CN201124612Y CN 201124612 Y CN201124612 Y CN 201124612Y CN U2007200769264 U CNU2007200769264 U CN U2007200769264U CN 200720076926 U CN200720076926 U CN 200720076926U CN 201124612 Y CN201124612 Y CN 201124612Y
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- cam
- wallboard
- camshaft
- main shaft
- paper feeding
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Abstract
The utility model discloses a sway downward paper feeding mechanism, which comprises a first wall panel, a second wall panel, a paper feeding main shaft, a gripper-unclosing cam, a first gear wheel, a conjugate cam, two swing stems, a control cam, a swing foot, a support rack and a third cam shaft. The support rack is fixed on the first wall panel; the paper feeding main shaft is arranged on the first and the second wall panels, and the right end of the paper feeding main shaft extends out of the first wall panel and is arranged on the support plate of the support rack; the two ends of the third cam shaft are arranged on the first wall panel and the support plate respectively; the conjugate cam is fixedly connected with the first gear wheel, and the two are both arranged on the third cam shaft; the two swing stems are fixed on the paper feeding main shaft and are driven by the conjugate cam; the control cam is fixedly connected on the left end of the third cam shaft; the swing foot is sleeved on the paper feeding main shaft and is driven by the control cam; the gripper-unclosing cam is fixed on the swing foot. The control cam and the conjugate cam are arranged on the same cam shaft, and are driven by the same gear wheel to swing. The paper feeding mechanism has a simple structure and is precise in paper feeding.
Description
Technical field
The utility model relates to printing machinery, particularly the feeding mechanism of offset press in the printing machinery.
Background technology
Feeding mechanism in the offset press is common two kinds, and a kind of is rotary feeding mechanism, and another kind is a swinging gripper mechanism.The function of feeding mechanism is that paper is delivered to sheet transfer drum from defeated paper platen, and when defeated paper platen splicing, paper remains static, and in order to guarantee chromatography precision, gritting one's teeth of feeding mechanism will guarantee splicing under static state.The printing machine rotating speed is high more, and grit one's teeth time of splicing under static state of feeding mechanism is short more, and chromatography precision be cannot say for sure card more.Rotary feeding mechanism is limit owing to structure, and is shorter in the time of defeated paper platen splicing, is difficult to guarantee the chromatography precision of printing machine under fast state.Swinging gripper mechanism can fast return be failed the paper platen, thereby be arranged in defeated paper platen splicing the more time after passing sheet transfer drum paper, guarantees the accurate splicing of fast state, satisfies the chromatography precision of printing machine high speed printing.
Referring to Fig. 4, existing offset press swinging gripper mechanism, comprise first wallboard 1, second wallboard 18, transfer main shaft 3, first camshaft 19, first gear 5, conjugate cam 6, two forks 7, second camshaft 20, second gear 21, control cam 8, pendulum pin 9 and open tooth cam 4, transfer main shaft 3 is arranged on first wallboard 1 and second wallboard 18; First camshaft 19 is fixed on first wallboard 1, and first gear 5, conjugate cam 6 are sleeved on first camshaft 19, and both are affixed by regulating bolt 15, and two forks 7 are fixed on the transfer main shaft 3, and are driven by conjugate cam 6; Second camshaft 20 is fixed on second wallboard 18, and second gear 21, control cam 8 are sleeved on second camshaft 20, and both fix by screw, and pendulum pin 9 is sleeved on the transfer main shaft 3, and is driven by control cam 8, opens tooth cam 4 and is fixed on the pendulum pin 9.Conjugate cam 6 and control cam 8 are driven by first, second gear 5,21 respectively, need two external power supplys, and need two camshafts 19,20, complicated in mechanical structure, and accumulated error is big, and paper transmits not accurate enough.
The utility model content
The purpose of this utility model is to provide a kind of offset press sway downward paper feeding mechanical, and its control cam and conjugate cam are installed on the same camshaft, realize swing by a gear drive, and simple in structure, the paper transmission is accurate.
The utility model is achieved in that the offset press sway downward paper feeding mechanical, comprise first wallboard, second wallboard, transfer main shaft, open the tooth cam, first gear, conjugate cam, two forks, control cams and pendulum pin, the transfer main shaft is arranged on first wallboard and second wallboard, the conjugate cam and first gear are affixed, two forks are fixed on the transfer main shaft, and are driven by conjugate cam, and the pendulum footmuff is contained on the transfer main shaft, the pendulum pin is driven by the control cam, opens the tooth cam and is fixed on the pendulum pin; Described feeding mechanism also includes bracing frame, the 3rd camshaft, bracing frame includes a gripper shoe that is parallel to first wallboard, bracing frame is fixed on first wallboard, transfer main shaft right-hand member stretches out and is arranged on the gripper shoe from first wallboard, the 3rd camshaft two ends are separately positioned on first wallboard and the gripper shoe, first gear and conjugate cam are sleeved on the 3rd camshaft, and first gear is circumferentially fixing by key and the 3rd camshaft, and the control cam is fixed in the 3rd camshaft left end.
Described first wallboard is provided with bearing block and corresponding radial bearing, gripper shoe is provided with radial bearing, the 3rd camshaft two ends promptly are arranged on described two radial bearings, the 3rd camshaft two ends also are equipped with needle roller thrust bearing, and two needle roller thrust bearing outer faces are supported by described bearing block and gripper shoe respectively.By needle roller thrust bearing, eliminate the 3rd camshaft axial force like this, prevent the 3rd camshaft axial motion, mechanism is operated steadily.
The utility model will control cam and conjugate cam is arranged on the same camshaft, and by a gear drive, mechanism takes up room little, and is simple in structure, and accumulated error is little, thereby the paper transmission is accurate.Adopt support frame structure, make the 3rd camshaft and the transfer alignment of shafts, guarantee that running steadily under the fast state apart from fixing.
Description of drawings
Fig. 1 is the structural representation of the utility model offset press sway downward paper feeding mechanical;
Fig. 2 is the side view of conjugate cam and two forks;
Fig. 3 is the side view of control cam and pendulum pin;
Fig. 4 is the structural representation of existing offset press swinging gripper mechanism.
Among the figure: 1 first wallboard, 2 bracing frames, 2a gripper shoe, 3 transfer main shafts, 4 open the tooth cam, 5 first gears, 6 conjugate cams, 7 forks, 8 control cams, 9 pendulum pin, 10 the 3rd camshafts, 11 bearing blocks, 12 radial bearings, 13 needle roller thrust bearings, 14 spacer rings, 15 regulate bolt, 16 first screws, 17 second screws, 18 second wallboards, 19 first camshafts, 20 second camshafts, 21 second gears.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 to Fig. 3, the offset press sway downward paper feeding mechanical comprises first wallboard 1, the second wallboard (not shown), bracing frame 2, transfer main shaft 3, opens tooth cam 4, first gear 5, conjugate cam 6, two forks 7, control cam 8, pendulum pin 9 and the 3rd camshafts 10.Bracing frame 2 includes a gripper shoe 2a who is parallel to first wallboard, and bracing frame 2 is fixed on first wallboard 1 by screw.Transfer main shaft 3 is arranged on first wallboard 1 and second wallboard, and transfer main shaft 3 right-hand members stretch out and are arranged on the gripper shoe 2a from first wallboard 1, and transfer main shaft 3 can be around self center line swing.First wallboard 1 is provided with bearing block 11 and corresponding radial bearing 12, and gripper shoe 2a is provided with radial bearing 12, the three camshafts 10 two ends and is arranged on two radial bearings 12; The 3rd camshaft 10 two ends also are equipped with needle roller thrust bearing 13, and the shaft shoulder of first gear 5 and the 3rd camshaft 10 is withstood by a spacer ring 14 in needle roller thrust bearing 13 its right sides of left part, and bearing block 11 right sides are withstood in its left side; The 3rd camshaft 10 shaft shoulders are withstood in needle roller thrust bearing 13 its left sides of right part, and gripper shoe 2a left side is withstood by another spacer ring 14 in its right side; So, two needle roller thrust bearing 13 outer faces are promptly supported by described bearing block 11 and gripper shoe 2a respectively, thereby offset the axial force of the 3rd camshaft 10, prevent the 3rd camshaft 10 axial motions.Bracing frame 2 is fixed transfer main shaft 3 and the 3rd camshaft 10 centre-to-centre spacing, and running is steady down to guarantee fast state.
Referring to Fig. 1, Fig. 2, the conjugate cam 6 and first gear 5 are sleeved on the 3rd camshaft 10, and both are affixed by regulating bolt 15, first gear 5 is circumferentially fixing by key and the 3rd camshaft 10, outside gear driven first gear 5 rotates, and first gear 5 drives conjugate cam 6 and the 3rd camshaft 10 rotates.Affixed by screw between two forks 7, both are fixed on the transfer main shaft 3, and are corresponding with conjugate cam 6 positions, and two cams of conjugate cam 6 drive two forks, 7, two forks 7 respectively and drive 3 swings of transfer main shaft again.During installation, unclamp and reconcile bolt 15, adjust the relative position of conjugate cam 6 and first gear 5, thus the relative position that the change feeding mechanism is grited one's teeth and grited one's teeth with sheet transfer drum, guarantee that feeding mechanism grits one's teeth to grit one's teeth with sheet transfer drum and align that bolt 15 is regulated in locking then at delivery position.
Referring to Fig. 1, Fig. 3, control cam 8 is fixed in the 3rd camshaft 10 left ends by first screw 16, rotates with the 3rd camshaft 10; Pendulum pin 9 is sleeved on the transfer main shaft 3, and corresponding with control cam 8 positions, pendulum pin 9 is driven by control cam 8, thereby realizes swing; Open tooth cam 4 and be fixed on the pendulum pin 9, swing, open tooth cam 4 and control the switching that transfers are grited one's teeth, bite paper, unclamp paper at sheet transfer drum and feeding mechanism delivery position so that grit one's teeth at defeated paper platen with pendulum pin 9 by second screw 17.Grit one's teeth and sheet transfer drum is grited one's teeth when being in delivery position when feeding mechanism, unclamp second screw 17, regulate and open tooth cam 4 and make feeding mechanism grit one's teeth just to bite certain thickness paper, and then tighten this second screw 17; Grit one's teeth when being in defeated paper platen splicing state when feeding mechanism, unscrew first screw 16, regulate control cam 8 and make transfer grit one's teeth just to bite certain thickness paper, tighten first screw 16 then.
The utility model will be controlled cam 8 and be installed on the 3rd camshaft 10 with conjugate cam 6, and reduce by a power source, only need drive power source first gear 5 to get final product, and simplify frame for movement, reduce accumulated error.Simultaneously, on the 3rd camshaft 10, increased needle roller thrust bearing 13, made that the 3rd camshaft 10 is axially more stable.
Claims (2)
1. offset press sway downward paper feeding mechanical, comprise first wallboard, second wallboard, the transfer main shaft, open the tooth cam, first gear, conjugate cam, two forks, control cam and pendulum pin, the transfer main shaft is arranged on first wallboard and second wallboard, the conjugate cam and first gear are affixed, two forks are fixed on the transfer main shaft, and drive by conjugate cam, the pendulum footmuff is contained on the transfer main shaft, the pendulum pin is driven by the control cam, opening the tooth cam is fixed on the pendulum pin, it is characterized in that: described feeding mechanism also includes bracing frame, the 3rd camshaft, bracing frame includes a gripper shoe that is parallel to first wallboard, bracing frame is fixed on first wallboard, transfer main shaft right-hand member stretches out and is arranged on the gripper shoe from first wallboard, and the 3rd camshaft two ends are separately positioned on first wallboard and the gripper shoe, and first gear and conjugate cam are sleeved on the 3rd camshaft, and first gear is circumferentially fixing by key and the 3rd camshaft, and the control cam is fixed in the 3rd camshaft left end.
2. offset press sway downward paper feeding mechanical according to claim 1, it is characterized in that: described first wallboard is provided with bearing block and corresponding radial bearing, gripper shoe is provided with radial bearing, the 3rd camshaft two ends promptly are arranged on described two radial bearings, the 3rd camshaft two ends also are equipped with needle roller thrust bearing, and two needle roller thrust bearing outer faces are supported by described bearing block and gripper shoe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200769264U CN201124612Y (en) | 2007-12-21 | 2007-12-21 | Sway downward paper feeding mechanism of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200769264U CN201124612Y (en) | 2007-12-21 | 2007-12-21 | Sway downward paper feeding mechanism of offset press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124612Y true CN201124612Y (en) | 2008-10-01 |
Family
ID=39998028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200769264U Expired - Lifetime CN201124612Y (en) | 2007-12-21 | 2007-12-21 | Sway downward paper feeding mechanism of offset press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124612Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161252A (en) * | 2010-12-10 | 2011-08-24 | 宇华机械(南通)有限公司 | Camshaft mechanism of metal decorating machine |
| CN103085465A (en) * | 2011-11-04 | 2013-05-08 | 上海光华印刷机械有限公司 | Armature opening and closing mechanism for paper transferring mechanism swinging downward |
| CN103085464A (en) * | 2011-11-04 | 2013-05-08 | 上海光华印刷机械有限公司 | Swing paper transferring mechanism of offset press |
| CN103481657A (en) * | 2013-09-12 | 2014-01-01 | 上海光华印刷机械有限公司 | Stop mechanism for transfer gripper in offset press |
-
2007
- 2007-12-21 CN CNU2007200769264U patent/CN201124612Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161252A (en) * | 2010-12-10 | 2011-08-24 | 宇华机械(南通)有限公司 | Camshaft mechanism of metal decorating machine |
| CN103085465A (en) * | 2011-11-04 | 2013-05-08 | 上海光华印刷机械有限公司 | Armature opening and closing mechanism for paper transferring mechanism swinging downward |
| CN103085464A (en) * | 2011-11-04 | 2013-05-08 | 上海光华印刷机械有限公司 | Swing paper transferring mechanism of offset press |
| CN103085464B (en) * | 2011-11-04 | 2014-12-24 | 上海光华印刷机械有限公司 | Swing paper transferring mechanism of offset press |
| CN103085465B (en) * | 2011-11-04 | 2014-12-24 | 上海光华印刷机械有限公司 | Armature opening and closing mechanism for paper transferring mechanism swinging downward |
| CN103481657A (en) * | 2013-09-12 | 2014-01-01 | 上海光华印刷机械有限公司 | Stop mechanism for transfer gripper in offset press |
| CN103481657B (en) * | 2013-09-12 | 2015-10-28 | 上海光华印刷机械有限公司 | A kind of stop mechanism of transfer gripper of offset press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151217 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, Shanghai Patentee before: Shanghai Guanghua Printing Machine Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160620 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 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |