CN2838953Y - Damping device for offset printing machine - Google Patents
Damping device for offset printing machine Download PDFInfo
- Publication number
- CN2838953Y CN2838953Y CN 200520065599 CN200520065599U CN2838953Y CN 2838953 Y CN2838953 Y CN 2838953Y CN 200520065599 CN200520065599 CN 200520065599 CN 200520065599 U CN200520065599 U CN 200520065599U CN 2838953 Y CN2838953 Y CN 2838953Y
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- China
- Prior art keywords
- airduct
- damping device
- water
- rod
- offset press
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Abstract
The utility model relates to the field of a printing machine, particularly a damping device in an offset printer. The damping device for the offset printer comprises a plate roller, an ink stick, a water stick and a water bucket. The utility model is characterized in that one side of the plate roller, which is back on to the water bucket, is provided with a blowing device which can blow the plate roller to blow excess water on the plate roller away. The damping device has the same structure with the damping device with a water stick sleeve; the utility model has the difference that no cloth sleeves are cover outside the water stick, and one side of the utility model is provided with the blowing device which can blow the plate roller to blow excess water on the plate roller away. The utility model has the advantages that with the utility model, printed products have vivid colors, high glossiness and neat layout; the quality problem caused by the water stick sleeve does not exist; the utility model has low cost, etc.
Description
Technical field
The utility model relates to the damping device in the printing press field, particularly offset press.
Background technology
The damping device of offset press generally adopts the water drum sleeve damping device, comprises plate cylinder, black rod, water rod and bucket.Wherein the water rod includes the bucket rod, is a chromium plating steel rod; Passing damping roller, is a rubber stick, and rubber stick is surrounded by the cloth cover of 1.5mm～2mm outward; String water rod is a chromium plating steel rod; The water rod, the same cloth cover that outside rubber, is surrounded by with biography water rod.Its operation principle is: the bucket rod obtains water and supplies water to passing the water rod from water pond, the size of whole output is regulated with the rotating speed of bucket rod, and the fast output of rotating speed is big, otherwise then the water yield is little.Pass the water rod and do intermittently to swing up and down, when contacting with string water rod, water is passed to string water rod, string water rod keeps contacting with the water rod.Realized biography water.When the water rod of going here and there on the other hand rotated, the level of also doing came and went and moves, and makes the water yield even.The water rod contacts like this and just can keep the wetting of forme with version.Owing to the water rod is equipped with the cloth cover, so just produced the water storage effect, and the water of cloth cover is because effect capillaceous, water just can be evenly distributed on the water rod, and the water consumption that can regulate the different warp-wises of space of a whole page position, make whole plate face reach ink-water balance, reached the requirement of flat stamping.There is following problem in this device: 1, the woven design of water drum sleeve (longitude and latitude line) manifests on product sometimes, 2, the fine hair filament of water drum sleeve can come off on forme, thereby can make the nun's thread that presents about 0.05-0.10mm (thickness) * 10-20mm (length) on the printed document pattern.3, it is sticking onboard that printing ink the inside or printing process have tiny black skin or other foreign material of 0.5-1.0mm diameter.Printed document then presents the ⊙ point of diameter 1mm to 2mm, and China ink is not gone up in the place of white in the astragal.
In order to overcome above-mentioned problem, the part type is improved damping device, adopts the mode of alcohol dampening.Structure such as above-mentioned water drum sleeve damping device, different is not have a water rod outsourcing cloth cover, the phenomenon of woven design and depilation so just can not occur; The water that contains 10%～15% alcohol is housed in the bucket, can accelerates the volatilization of water on the printing surface like this.The shortcoming of this device has been to use alcohol, thereby has just increased this cost partly; In addition, the alcohol rod is different with common glue rod, and the glue of common glue rod mainly is butadiene acrylonitrile rubber, PVC glue, and the alcohol rod for immersion, the erosion of energy ethanol-tolerant, also uses more expensive " high polymer " imported material of price except these two kinds of glue.This increases the cost of entire machine greatly.
The utility model content
The purpose of this utility model is to provide a kind of can make that print product is bright in luster, glossiness is high, and offset press damping device with low cost.The structure of this damping device is identical with the water drum sleeve damping device, and different is not have the outsourcing cloth cover on the water rod, and is provided with and can dries to blow away the blowing device of excessive moisture on it to plate cylinder in a side.
The purpose of this utility model realizes by following proposal:
The damping device of this offset press comprises plate cylinder, black rod, water rod and bucket, plate cylinder, black rod, water rod are installed on respectively on the wallboard of offset press, be characterized in plate cylinder dorsad a side of bucket be provided with can be to plate cylinder blowing to blow away the blowing device of excessive moisture on it.
Described blowing device comprises air compressor, airduct air volume regulating valve and support, and airduct is provided with row's blowing mouth and the row airduct hole corresponding with blowing mouth; Air volume regulating valve passes the airduct hole, and the folding of blowing mouth can be controlled in its top; Air compressor is pressed into airduct to gas, and the centre enters airduct by solenoid control gas.
Described air volume regulating valve and airduct hole are by being threaded, and in the air volume regulating valve precession airduct hole, blowing mouth can be sealed in its top, and the gas in the airduct can not be by outside the blowing mouth discharge pipe like this; Outward winding when air volume regulating valve, make when leaving the slit between top and the blowing mouth, the gas in the airduct just can utilize the wind-force effect forcibly will blow away corresponding to the unnecessary moisture content of the printing surface of blowing mouth by outside the blowing mouth discharge pipe.
The position of described airduct and plate cylinder axially parallel, and isometric with plate cylinder.
On each airduct hole all to an air volume regulating valve should be arranged, during some blowing mouth blowing on needing airduct, the corresponding air volume regulating valve of just outwarding winding.
Described support comprises cylinder fixed support, cylinder, fixedly airduct connecting rod, movable rod, connect by bolt in order, the upper end of support bracket fastened lower end of cylinder and movable rod is by being bolted on the offset press wallboard, and the two ends of airduct are by being bolted to fixedly on the airduct connecting rod.Cylinder is by solenoid control, and when airduct was not worked, support drove airduct and rises to the plate cylinder top, makes things convenient for the maintenance of plate cylinder; When airduct was worked, support drive airduct dropped to the position over against plate cylinder.
Compared with prior art, the utility model has the advantages that:
1, simple in structure, with low cost, the folding by the row's blowing mouth on the control airduct can make the printing surface of diverse location reach suitable moisture film fast;
2, can make the printshop get that product color is bright-coloured, glossiness is high, not have the phenomenon of woven design and depilation;
3, this device also has environmental-protection function, can avoid because of long-term contact and suck industrial alcohol human body is caused harmful effect.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the position view of plate cylinder and blowing device;
Fig. 3 is the longitudinal sectional view of airduct and air volume regulating valve;
Fig. 4 is the structural representation of existing water drum sleeve damping device;
Fig. 5 is the structural representation of support.
Among the figure: blowing mouth 1, airduct hole 2, air volume regulating valve 3, airduct 4, plate cylinder 5, bucket 7, bucket rod 6, pass water rod 8, string water rod 9, water rod 10, cylinder fixed support 11, cylinder 12, fixedly airduct connecting rod 13, movable rod 14, wallboard 15.
The specific embodiment
This novel offset press damping device can be reequiped the offset press of existing employing water drum sleeve damping device.Existing water drum sleeve damping device as shown in Figure 4, bucket 7 generally is that ordinary tap water is housed, and is furnished with about 1/100 alkaline solution; Bucket rod 6 is chromium plating steel rods; Passing water rod 8 is rubber sticks, and the rubber stick outside is surrounded by the cloth cover of 1.5mm-2mm; String water rod 9 also is a chromium plating steel rod; Water rod 10 and pass the water rod 8 the same cloth covers that outside rubber, are surrounded by.
This novel offset press damping device as shown in Figure 1, structure and last same, comprise plate cylinder 5, black rod, water rod and bucket, a plate cylinder side of bucket dorsad is provided with and can have the outsourcing cloth cover on the water rod to the plate cylinder blowing to blow away the blowing device of excessive moisture on it.
The position of plate cylinder and blowing device concerns that as shown in Figure 2 blowing device comprises air compressor, cylinder, airduct 4 and air volume regulating valve 3, and airduct 4 is provided with row's blowing mouth 1 and the row airduct hole 2 corresponding with blowing mouth; Air volume regulating valve 3 and airduct hole 2 are by being threaded.As shown in Figure 3, air volume regulating valve 3 passes airduct hole 2, and the folding of blowing mouth 1 can be controlled in its top; Air compressor is pressed into airduct 4 to gas, and the centre enters airduct 4 by solenoid control gas.
As shown in Figure 5, support comprises cylinder fixed support 11, cylinder 12, fixedly airduct connecting rod 13, movable rod 14, connect by bolt in order, the upper end of the lower end of cylinder fixed support 11 and movable rod 14 is by being bolted on the offset press wallboard 15, and the two ends of airduct 4 are by being bolted to fixedly on the airduct connecting rod 13.As shown in Figure 1, cylinder 12 is by solenoid control, and when airduct was not worked, support drove airduct and rises to the plate cylinder top, makes things convenient for the maintenance of plate cylinder; When airduct was worked, support drive airduct dropped to the position over against plate cylinder.
In the middle of the actual print process unnecessary moisture content often just at the two ends of version, the outside marginal position of printed document position, special product also has only two or three place's moisture content in the picture and text scope be unnecessary.It is suitable that the water yield of the whole space of a whole page can transfer to the rotating speed of regulating the bucket rod.Turn-knob need reduce the air volume regulating valve of the pairing blowing mouth of printing surface part of moisture content, makes the top of blowing mouth and air volume regulating valve have certain slit, makes the wind in the airduct go out blowing mouth, thereby reaches the effect of the suitable wetting printing surface of moisture content.
Claims (6)
1, a kind of damping device of offset press, comprise plate cylinder, black rod, water rod and bucket, plate cylinder, black rod, water rod are installed on respectively on the wallboard of offset press, it is characterized in that plate cylinder dorsad a side of bucket be provided with can be to plate cylinder blowing to blow away the blowing device of excessive moisture on it.
2, the damping device of offset press according to claim 1 is characterized in that described blowing device comprises air compressor, airduct, air volume regulating valve and support, and airduct is provided with row's blowing mouth and the row airduct hole corresponding with blowing mouth; Air volume regulating valve passes the airduct hole, and the folding of blowing mouth can be controlled in its top; Cylinder is handled the airduct operating position; Air compressor is pressed into airduct to gas.
3, the damping device of offset press according to claim 2 is characterized in that described air volume regulating valve and airduct hole are by being threaded.
4, the damping device of offset press according to claim 2 is characterized in that the position and the plate cylinder axially parallel of described airduct, and isometric with plate cylinder.
5, the damping device of offset press according to claim 2 is characterized in that on each airduct hole all to an air volume regulating valve should be arranged.
6, the damping device of offset press according to claim 2, it is characterized in that described support comprises cylinder fixed support, cylinder, fixedly airduct connecting rod, movable rod, connect by bolt in order, the upper end of support bracket fastened lower end of cylinder and movable rod is by being bolted on the offset press wallboard, and the two ends of airduct are by being bolted to fixedly on the airduct connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520065599 CN2838953Y (en) | 2005-10-11 | 2005-10-11 | Damping device for offset printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520065599 CN2838953Y (en) | 2005-10-11 | 2005-10-11 | Damping device for offset printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2838953Y true CN2838953Y (en) | 2006-11-22 |
Family
ID=37426939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520065599 Expired - Fee Related CN2838953Y (en) | 2005-10-11 | 2005-10-11 | Damping device for offset printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2838953Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414076A (en) * | 2015-06-03 | 2017-02-15 | 艾美株式会社 | Dampening water apparatus for printing machines and printing machine equipped with same |
-
2005
- 2005-10-11 CN CN 200520065599 patent/CN2838953Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414076A (en) * | 2015-06-03 | 2017-02-15 | 艾美株式会社 | Dampening water apparatus for printing machines and printing machine equipped with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061122 Termination date: 20091111 |