CN214646651U - Water supply device of web offset press - Google Patents
Water supply device of web offset press Download PDFInfo
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- CN214646651U CN214646651U CN202023202012.2U CN202023202012U CN214646651U CN 214646651 U CN214646651 U CN 214646651U CN 202023202012 U CN202023202012 U CN 202023202012U CN 214646651 U CN214646651 U CN 214646651U
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Abstract
The utility model discloses a water supply installation of web offset press, including cluster water roller subassembly, dampening roller subassembly, a pair of dampening roller separation and reunion cylinder, dampening roller and the clearance adjustment mechanism of cluster water roller and the clearance adjustment mechanism of dampening roller and plate cylinder. The water mixing roller component comprises a pair of water mixing roller arm frames and water mixing rollers; the dampening roller assembly comprises a pair of dampening roller arm supports and dampening rollers which are hinged on the inner side surfaces of the pair of dampening roller arm supports; the ends of the piston rods of the pair of dampening roller clutch cylinders are hinged with the lower ends of the pair of water distributing roller arm frames; the gap adjusting mechanism of the water feeding roller and the water distributing roller comprises two eccentric wheels which are respectively fixedly arranged on the inner side surfaces of the lower parts of a pair of water distributing roller arm frames through studs and embedded in a U-shaped groove formed in the lower part of the water distributing roller arm frame; the gap adjusting mechanism of the dampening roller and the plate cylinder comprises two sliding groove blocks, two sliding rods, two screw rods and two handles. The utility model discloses a water supply installation can more accurate, stable, control the last water yield of printing paper high-efficiently.
Description
Technical Field
The utility model relates to a water supply installation of web offset press.
Background
In current web offset presses, the water supply includes a dampening cylinder and a dampening cylinder. The dampening roller is a relatively fixed mechanism, and the dampening roller and the dampening string roller are arranged in the same fixed arm support, so that the distance between the dampening roller and the dampening string roller is difficult to adjust, and only the mounting screw of the dampening roller can be adjusted to finely adjust the distance between the two rollers.
In general, the gap between the dampening roller and the plate cylinder is difficult to adjust, and the amount of the dampening roller pressed on the plate cylinder is mechanically fixed through a limit screw on an arm support, so that the water quantity control during water feeding of the plate cylinder is inaccurate. In addition, when a worker adjusts the gap between the water roller and the printing plate cylinder, the worker needs to stretch the hand into the machine for adjustment, if misoperation occurs, serious accidents are easily caused, the safety is low, and meanwhile, the parallelism between the roller body axis of the water roller and the axis of the printing plate cylinder is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a water supply installation of web offset press, it can be more accurate, stable, control the water yield of going up of printing paper high-efficiently.
The purpose of the utility model is realized like this: a water supply device of a web offset press comprises a dampening roller assembly, a pair of dampening roller clutch cylinders, a gap adjusting mechanism of a dampening roller and a gap adjusting mechanism of a dampening roller and a printing plate cylinder; wherein the content of the first and second substances,
the water mixing roller assembly comprises a pair of water mixing roller arm supports which are fixed on the inner side surfaces of the two side wall plates of the offset press in a one-to-one correspondence manner and water mixing rollers bridged between the pair of water mixing roller arm supports;
the dampening roller assembly comprises a pair of dampening roller arm supports which are hinged on the inner side surfaces of the pair of water distributing roller arm supports in a one-to-one correspondence manner and dampening rollers which are bridged between the pair of dampening roller arm supports;
the pair of dampening roller clutch cylinders are fixed on the inner side surfaces of the wall plates on the two sides of the offset press in a one-to-one correspondence manner, and the ends of piston rods of the pair of dampening roller clutch cylinders are hinged with the lower ends of the pair of water distributing roller arm frames in a one-to-one correspondence manner;
the gap adjusting mechanism of the water feeding roller and the water distributing roller comprises two eccentric wheels which are respectively fixedly arranged on the inner side surfaces of the lower parts of a pair of water distributing roller arm frames in a one-to-one correspondence manner through studs, and the two eccentric wheels are embedded in a U-shaped groove formed in the lower part of the water distributing roller arm frames in a one-to-one correspondence manner;
the gap adjusting mechanism of the dampening roller and the printing plate cylinder comprises two sliding groove blocks, two sliding rods, two screw rods and two handles; the two sliding groove blocks are fixed on the inner side surfaces of the wall plates on the two sides of the offset press in a one-to-one correspondence manner, and the lower end surface of each sliding groove block is provided with a guide groove; one ends of the two sliding rods are fixedly connected to the upper part of the water roller arm support in a one-to-one correspondence mode, and the peripheral surface of the other end of each sliding rod is radially provided with a threaded through hole; the two screw rods are in one-to-one correspondence threaded connection with the threaded through holes of the two sliding rods, and the rear heads of the two screw rods are inserted into the guide holes of the two sliding groove blocks; the front ends of the two handles are hinged with the rear ends of the two screw rods in a one-to-one correspondence manner.
In the water supply device of the web offset press, the water landing roller arm support is hinged to the pair of water stringing roller arm supports through the reamed hole screw.
In the above-mentioned water supply device for the web offset press, the gap adjusting mechanism for the dampening roller and the plate cylinder further comprises two pieces of water which are correspondingly arranged at the outer sides of the two side wall plates of the offset press one by one, and the front ends of the two pieces of water are hinged with the rear ends of the two handles after extending into the inner sides of the two side wall plates.
The utility model discloses a water supply installation of web offset press has following characteristics:
1. the water landing roller arm support and the water stringing roller arm support are separated, the structure of the water landing roller arm support is more flexible, the gap between the water landing roller and the water stringing roller is adjusted through the eccentric wheel, the adjustment is simple, the adjustment precision is higher, the adjustment quantity can be more visually reflected, and manpower can be saved.
2. Through setting up the clearance adjustment mechanism of water roller and forme cylinder, can conveniently adjust the clearance of water roller and forme cylinder, the water yield of printing paper is controlled to the high efficiency to staff's security has been improved.
Drawings
FIG. 1 is an expanded view of a water supply device of a roll paper offset printing press of the present invention (a water feed roller is in a disengaged state);
FIG. 2 is an expanded view (water supply state) of the water supply device of the roll paper offset printing machine of the present invention;
FIG. 3 is an axial sectional view of a dampening roller in the water supply device of the web offset printing press of the present invention;
fig. 4 is a development view of a gap adjusting mechanism between a dampening roller and a plate cylinder in a water supply device of a roll paper offset printing press according to the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 4, the water supply device of the web offset printing press of the present invention includes a dampening roller assembly, a pair of dampening roller clutch cylinders 3, a gap adjustment mechanism between the dampening roller and the dampening roller, and a gap adjustment mechanism between the dampening roller and the plate cylinder.
The water mixing roller assembly comprises a pair of water mixing roller arm supports 11 which are fixed on the inner side surfaces of two side wall plates 100 of the offset press in a one-to-one correspondence manner and water mixing rollers 10 which are bridged between the pair of water mixing roller arm supports 11; the lower part of the boom 11 of the dampening vibrator is provided with a stud through hole;
the dampening roller assembly comprises a pair of dampening roller arm supports 21 which are respectively hinged on the inner side surfaces of the pair of water distributing roller arm supports 11 in a one-to-one correspondence mode through twisted hole screws 22 and dampening rollers 20 bridged between the pair of dampening roller arm supports 21; an inverted U-shaped groove is formed in the lower end face of the water-feeding roller arm support 21;
the opposite water roller clutch cylinders 3 are correspondingly fixed on the inner side surfaces of two side wall plates 100 of the offset press one by one, and the ends of the piston rods of the pair of water roller clutch cylinders 3 are respectively hinged with the lower ends of a pair of water string roller arm frames 11 one by one through corner plates 31;
the gap adjusting mechanism of the water feeding roller and the water distributing roller comprises two eccentric wheels 40 which are respectively fixedly arranged on the inner side surfaces of the lower parts of a pair of water distributing roller arm frames 11 in a one-to-one correspondence way through studs 41, and the two eccentric wheels 40 are embedded in a U-shaped groove which is arranged opposite to the lower part of the water distributing roller arm frame 21 in a one-to-one correspondence way;
the gap adjusting mechanism of the dampening roller and the plate cylinder comprises two sliding groove blocks 51, two sliding rods 52, two screw rods 53, two handles 54 and two external handles 55; the two sliding groove blocks 51 are fixed on the inner side surfaces of the two side wall plates 100 of the offset press in a one-to-one correspondence manner and are positioned above the boom 11 of the dampening vibrator, and the lower end surface of each sliding groove block 51 is provided with a guide groove 510; one ends of the two sliding rods 52 are fixedly connected to the upper part of the water roller arm support 21 in a one-to-one correspondence manner, and the outer peripheral surfaces of the other ends of the two sliding rods 52 are radially provided with a threaded through hole; the two screw rods 53 are correspondingly screwed in the screw thread through holes of the two slide rods 52 one by one, and the rear heads of the screw rods are inserted into the guide holes of the two slide groove blocks 51; the front ends of the two handles 54 are hinged with the rear ends of the two screw rods 53 in a one-to-one correspondence manner; the two external handles 55 are correspondingly arranged on the outer sides of the two side wall plates 100 of the offset printing machine one by one, and the front ends of the two external handles extend into the inner sides of the two side wall plates 100 and are hinged with the rear ends of the two handles 54.
The utility model discloses a water supply device of web offset press, which controls the clutch between the dampening roller 20 and the plate cylinder 30 through a pair of dampening roller clutch cylinders 3; the boom 11 of the dampening vibrator is pulled by the extension of the piston rod of the dampening vibrator clutch cylinder 3, and then the boom 21 of the dampening vibrator is driven, so that the dampening vibrator 20 can stably lean against the plate cylinder 30 or separate from the plate cylinder 30.
When the gap between the water feeding roller 20 and the water distributing roller 10 needs to be adjusted, only the stud 41 needs to be detached, the eccentric wheel 40 is rotated, the eccentric wheel 40 drives the water feeding roller arm support 21 to rotate around the twisted hole screw 22 until the gap between the water feeding roller 20 and the water distributing roller 10 meets the working requirement, the eccentric wheel 40 is fixed on the water distributing roller arm support 11 through the stud 41, the gap between the water feeding roller 20 and the water distributing roller 10 is calculated through the known eccentric data of the eccentric wheel 40, the water feeding amount is determined, and the water distributing effect of the water distributing roller 10 is better.
The utility model discloses a water supply installation of web offset press, when the clearance of water roller and plate cylinder is being adjusted to needs, screw rod through rotatory outside handle 55 drive handle 54 front end at chute block 51 seesaw in guide way 510, and then drive water roller cantilever crane 21 and the roller 20 of watering, the distance of the roller 20 of watering and plate cylinder 30 is being adjusted, can be through the screw pitch of the threaded connection between screw rod 53 and the litter 52, accurately adjust the clearance of the roller 20 of watering and plate cylinder 30, and through rotatory outside handle 55 when the workman adjusts, need not deepen inside both sides wallboard 100 with the hand, safety when the greatly increased workman adjusts.
The gap adjusting mechanism of the dampening roller and the dampening string roller and the gap adjusting mechanism of the dampening roller and the printing plate cylinder are respectively adjusted in a left-right separation mode, so that the distance between the dampening roller and the dampening string roller can be conveniently adjusted, the parallelism of the dampening roller and the dampening string roller can also be adjusted, and the dampening string roller is convenient and safe.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (3)
1. A water supply device of a web offset press comprises a dampening roller assembly, a pair of dampening roller clutch cylinders, a gap adjusting mechanism of a dampening roller and a gap adjusting mechanism of a dampening roller and a printing plate cylinder; it is characterized in that the preparation method is characterized in that,
the water mixing roller assembly comprises a pair of water mixing roller arm supports which are fixed on the inner side surfaces of the two side wall plates of the offset press in a one-to-one correspondence manner and water mixing rollers bridged between the pair of water mixing roller arm supports;
the dampening roller assembly comprises a pair of dampening roller arm supports which are hinged on the inner side surfaces of the pair of water distributing roller arm supports in a one-to-one correspondence manner and dampening rollers which are bridged between the pair of dampening roller arm supports;
the pair of dampening roller clutch cylinders are fixed on the inner side surfaces of the wall plates on the two sides of the offset press in a one-to-one correspondence manner, and the ends of piston rods of the pair of dampening roller clutch cylinders are hinged with the lower ends of the pair of water distributing roller arm frames in a one-to-one correspondence manner;
the gap adjusting mechanism of the water feeding roller and the water distributing roller comprises two eccentric wheels which are respectively fixedly arranged on the inner side surfaces of the lower parts of a pair of water distributing roller arm frames in a one-to-one correspondence manner through studs, and the two eccentric wheels are embedded in a U-shaped groove formed in the lower part of the water distributing roller arm frames in a one-to-one correspondence manner;
the gap adjusting mechanism of the dampening roller and the printing plate cylinder comprises two sliding groove blocks, two sliding rods, two screw rods and two handles; the two sliding groove blocks are fixed on the inner side surfaces of the wall plates on the two sides of the offset press in a one-to-one correspondence manner, and the lower end surface of each sliding groove block is provided with a guide groove; one ends of the two sliding rods are fixedly connected to the upper part of the water roller arm support in a one-to-one correspondence mode, and the peripheral surface of the other end of each sliding rod is radially provided with a threaded through hole; the two screw rods are in one-to-one correspondence threaded connection with the threaded through holes of the two sliding rods, and the rear heads of the two screw rods are inserted into the guide holes of the two sliding groove blocks; the front ends of the two handles are hinged with the rear ends of the two screw rods in a one-to-one correspondence manner.
2. The web offset printing press as recited in claim 1 wherein the dampening roller arm is hinged to a pair of dampening roller arms by a reamed hole screw.
3. The web offset printing press as recited in claim 1 wherein the gap adjusting mechanism for the dampening roller and the plate cylinder further comprises two members disposed one on each other on the outer sides of the side walls of the printing press and having front ends extending into the inner sides of the side walls and hinged to the rear ends of the two handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202012.2U CN214646651U (en) | 2020-12-25 | 2020-12-25 | Water supply device of web offset press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202012.2U CN214646651U (en) | 2020-12-25 | 2020-12-25 | Water supply device of web offset press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214646651U true CN214646651U (en) | 2021-11-09 |
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ID=78503344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023202012.2U Active CN214646651U (en) | 2020-12-25 | 2020-12-25 | Water supply device of web offset press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214646651U (en) |
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2020
- 2020-12-25 CN CN202023202012.2U patent/CN214646651U/en active Active
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