CN101537450B - Device for bending printing plate edge of offset press - Google Patents
Device for bending printing plate edge of offset press Download PDFInfo
- Publication number
- CN101537450B CN101537450B CN200810207921XA CN200810207921A CN101537450B CN 101537450 B CN101537450 B CN 101537450B CN 200810207921X A CN200810207921X A CN 200810207921XA CN 200810207921 A CN200810207921 A CN 200810207921A CN 101537450 B CN101537450 B CN 101537450B
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- base plate
- plate
- pressing plate
- face
- wheel
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Abstract
The invention discloses a device for bending the printing plate edge of an offset press, comprising a pressure plate, a base plate, a support frame, a locking wheel, a spring, an eccentric shaft and a rotation shaft, wherein the pressure plate is parallel to the base plate and is arranged on the front end of the base plate; a through groove is arranged at the middle part of the rear end face of the pressure plate; the front end of the base plate is a stair landing which has a lower front end and a higher rear end; the support frame is fixedly connected with the left end and the right end of the base plate; one end of the rotation shaft is connected with the support frame, and the other end is in pin joint with the pressure plate; the spring is arranged in the through groove; the front end and the rear end of the spring respectively support against the rear end face of the pressure plate and the front end face of the base plate; the eccentric shaft comprises an eccentric wheel and a transmission shaft, the eccentric wheel is connected with the front end of the transmission shaft, the eccentric wheel is arranged inside the through groove, and the transmission shaft is arranged on a handle arranged outside the base plate; and the locking wheel comprises a wheel disc and a threaded rod, the wheel disc is arranged on the front end of the pressure plate, the front end of the threaded rod is fixedly connected with the wheel disc, and the threaded rod passes through the hole passage arranged on the pressure plate and is connected with the screwed hole of the base plate. The invention can accurately bend the edge of the plate, ensure the accuracy of the shape and the size of the bent plate edge, and increase the working efficiency.
Description
Technical field
The present invention relates to device for bending printing plate edge of offset press.
Background technology
The forme of offset press twists on the plate cylinder, and the front and rear edge of forme inserts in the clamping device.In order to clamp forme effectively, operating personnel need carry out flanging with the flattened edge of forme.
At present, the bending device that printing plate edge is carried out flanging comprises two sheet irons that be arranged in parallel, and the distance between two sheet irons is wideer slightly than forme thickness.Operating personnel are inserted into printing plate edge between two sheet irons earlier, clamp printing plate edge by sheet iron, and then the forme part that will stay two sheet irons outsides is to a direction bending, thereby finish the flanging of printing plate edge.This flanging mode is difficult to the shape and size of forme flanging are located exactly, has increased the adjustment time of follow-up forme, and its operating efficiency is low, and particularly the precision of flanging shape and size is difficult to satisfy production requirement when automatic adjustment of the printing plate.
Summary of the invention
The object of the present invention is to provide a kind of device for bending printing plate edge of offset press, this bending device can carry out flanging exactly to printing plate edge, has guaranteed the precision of printing plate edge flanging shape and size, has improved operating efficiency.
The present invention is achieved in that
A kind of device for bending printing plate edge of offset press comprises pressing plate, base plate, and pressing plate and base plate are the two boards that be arranged in parallel, and pressing plate is arranged on the front end of base plate, and the rear end face of pressing plate is relative with the front end face of base plate, and the rear end face of pressing plate is near the front end face of base plate; The middle part of described pressing back-end face has groove, and the top of base plate is low early and high after halfpace; Described bending device also comprises support, locking wheel, spring, eccentric shaft and turning cylinder, the left and right two ends of support and base plate are affixed, have circular hole on the support, turning cylinder is arranged between support and the pressing plate, one end of turning cylinder is arranged in the circular hole and links to each other with support, the other end of turning cylinder is connected by pin with pressing plate, and spring is arranged in the groove, and the rear and front end of spring props up pressing back-end face and base plate front end face respectively; Eccentric shaft comprises eccentric wheel and power transmission shaft, and eccentric wheel is positioned at the front end of eccentric shaft, and eccentric wheel is connected with the front end of power transmission shaft, and eccentric wheel is arranged in the groove, has through hole on the front end face of base plate, and power transmission shaft passes through hole and is arranged on the outer handle of base plate; Locking wheel comprises wheel disc and screw rod, and wheel disc is arranged on the pressing plate front end, and screw rod is vertical with wheel disc to be provided with, and screw front end and wheel disk center are affixed, have the duct on the pressing plate, the relevant position has screwed hole on the base plate, and screw rod passes that the duct is connected with the base thread hole on the pressing plate.
The quantity of described eccentric shaft is two, and two eccentric shafts lay respectively at the left and right sides of locking wheel, and two eccentric shafts are symmetricly set on the base plate.
Describedly have the corresponding groove in position on the front end face of groove bottom, base plate, the rear and front end of spring is arranged in the groove.
The quantity of described spring is several, and several springs from left to right evenly are arranged in the groove.
The invention provides a kind of device for bending printing plate edge of offset press, the top of base plate is provided with low early and high after halfpace in this bending device, can locate exactly the shape of printing plate edge flanging; Between bending device center platen and base plate, then be provided with adjustable eccentric shaft, thereby can locate exactly the size of printing plate edge flanging.Simultaneously, locking wheel in the bending device and spring are fitted, are left the base plate upper end power is provided on being respectively pressing plate.The present invention can carry out flanging exactly to printing plate edge, has guaranteed the precision of printing plate edge flanging shape and size, has improved operating efficiency.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of device for bending printing plate edge of offset press of the present invention;
Fig. 2 is the side schematic view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to generalized section;
Fig. 4 is that the B-B of Fig. 1 is to generalized section;
Fig. 5 is that the C-C of Fig. 1 is to generalized section.
Among the figure: 1 support, 2 pressing plates, 3 base plates, 4 locking wheels, 5 springs, 6 eccentric shafts, 7 turning cylinders, 8 wheel discs, 9 screw rods, 10 bolts, 11 eccentric wheels, 12 power transmission shafts, 13 pins, 14 handles.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2, a kind of device for bending printing plate edge of offset press comprises pressing plate 2, base plate 3, support 1, locking wheel 4, spring 5, eccentric shaft 6 and turning cylinder 7.
Support 1 is affixed with the left and right two ends of base plate 3 by bolt 10, also has circular hole on the support 1.Turning cylinder 7 is arranged between support 1 and the pressing plate 2, and an end of turning cylinder 7 is arranged in the circular hole and links to each other with support 1, and turning cylinder 7 can freely rotate in the circular hole on support 1; The other end of turning cylinder 7 is connected by pin 13 with pressing plate 2, and pressing plate 2 can be rotated with turning cylinder 7.
Use when of the present invention, needs can be carried out the printing plate edge that flanging handles and be placed between base plate 3 and the pressing plate 2, by the angle and the shape at base plate 3 tops, promptly the halfpace at base plate 3 tops can be located exactly to the shape of printing plate edge flanging.Simultaneously, can locate exactly by two sizes with 6 pairs of printing plate edge flangings of eccentric shaft of regulating action, promptly ought need hem dimensions hour, eccentric rotation axis 6 makes the axle center of eccentric shaft 6 be positioned at the below at eccentric wheel 11 centers; When the needs hem dimensions was big, eccentric rotation axis 6 made the axle center of eccentric shaft 6 be positioned at the top at eccentric wheel 11 centers.
Behind the location, under the effect of locking wheel 4, pressing plate 2 rear end faces are progressively fitted to base plate 3 front end faces, be fitted in the forme surface fully, forme is fixed between pressing plate 2 and the base plate 3 until pressing plate 2 rear end faces.Pressing plate 3 is that rotate at the center with turning cylinder 7, and the size of rotational angle is controlled by the gap between pressing plate 2 lower ends and base plate 3 lower ends, and generally, it is that 3-4mm is an optimum distance that this rotational angle should make the maximal clearance between base plate 3 upper ends and pressing plate 2 upper ends.After the forme fixed-site, can carry out flanging to forme.Behind the flanging, unclamp locking wheel 4, pressing plate 2 leaves the forme surface gradually under the effect of spring 5, make forme can be easily from taking out between pressing plate 2 and the base plate 3.
The present invention can carry out flanging exactly to printing plate edge, has guaranteed the precision of printing plate edge flanging shape and size, has improved operating efficiency.
Claims (4)
1. device for bending printing plate edge of offset press, comprise pressing plate (2), base plate (3), pressing plate (2) and base plate (3) two boards for be arrangeding in parallel, pressing plate (2) is arranged on the front end of base plate (3), the rear end face of pressing plate (2) is relative with the front end face of base plate (3), and the rear end face of pressing plate (2) is near the front end face of base plate (3);
It is characterized in that: the middle part of described pressing plate (2) rear end face has groove, and the top of base plate (3) is low early and high after halfpace; Described bending device also comprises support (1), locking wheel (4), spring (5), eccentric shaft (6) and turning cylinder (7), support (1) is affixed with the left and right two ends of base plate (3), support has circular hole on (1), turning cylinder (7) is arranged between support (1) and the pressing plate (2), one end of turning cylinder (7) is arranged in the circular hole and links to each other with support (1), the other end of turning cylinder (7) is connected by pin (13) with pressing plate (2), spring (5) is arranged in the groove, and the rear and front end of spring (5) props up pressing plate (2) rear end face and base plate (3) front end face respectively;
Eccentric shaft (6) comprises eccentric wheel (11) and power transmission shaft (12), eccentric wheel (11) is positioned at the front end of eccentric shaft (6), and eccentric wheel (11) is connected with the front end of power transmission shaft (12), eccentric wheel (11) is arranged in the groove, have through hole on the front end face of base plate (3), power transmission shaft (12) passes through hole and is arranged on the outer handle (14) of base plate (3);
Locking wheel (4) comprises wheel disc (8) and screw rod (9), wheel disc (8) is arranged on pressing plate (2) front end, screw rod (9) and the vertical setting of wheel disc (8), and screw rod (9) front end and wheel disc (8) center are affixed, pressing plate has the duct on (2), base plate (3) is gone up the relevant position and is had screwed hole, and screw rod (9) passes pressing plate (2) and upward is connected with base plate (3) screwed hole in the duct.
2. device for bending printing plate edge of offset press according to claim 1, it is characterized in that: the quantity of described eccentric shaft (6) is two, two eccentric shafts (6) lay respectively at the left and right sides of locking wheel (4), and two eccentric shafts (6) are symmetricly set on the base plate (3).
3. device for bending printing plate edge of offset press according to claim 1 is characterized in that: have the corresponding groove in position on the front end face of groove bottom, base plate (3), the rear and front end of spring (5) is arranged in the groove.
4. according to claim 1 or 3 described device for bending printing plate edge of offset press, it is characterized in that: the quantity of described spring (5) is several, and several springs (5) from left to right evenly are arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810207921XA CN101537450B (en) | 2008-12-26 | 2008-12-26 | Device for bending printing plate edge of offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810207921XA CN101537450B (en) | 2008-12-26 | 2008-12-26 | Device for bending printing plate edge of offset press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101537450A CN101537450A (en) | 2009-09-23 |
| CN101537450B true CN101537450B (en) | 2010-12-01 |
Family
ID=41120964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810207921XA Expired - Fee Related CN101537450B (en) | 2008-12-26 | 2008-12-26 | Device for bending printing plate edge of offset press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101537450B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363065A (en) * | 2016-08-31 | 2017-02-01 | 张家港市华扬冶金机械有限公司 | Metal stamping flanging module |
-
2008
- 2008-12-26 CN CN200810207921XA patent/CN101537450B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101537450A (en) | 2009-09-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20151216 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: 20160614 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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20181226 |