CN202911287U - Curved-surface paper flattening device for printing machine chain wheel movement - Google Patents
Curved-surface paper flattening device for printing machine chain wheel movement Download PDFInfo
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- CN202911287U CN202911287U CN 201220350589 CN201220350589U CN202911287U CN 202911287 U CN202911287 U CN 202911287U CN 201220350589 CN201220350589 CN 201220350589 CN 201220350589 U CN201220350589 U CN 201220350589U CN 202911287 U CN202911287 U CN 202911287U
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Abstract
The utility model belongs to a curved-surface paper flattening device for printing machine chain wheel movement. The curved-surface paper flattening device for the printing machine chain wheel movement is composed of a vacuum pump, a fast-plug connector, an air pipe, a pressure equalizing box and an adjusting valve. The paper flattening device comprises an air suction flattening plate assembly, an air channel device and an air blowing flattening device, the air suction flattening plate assembly is composed of an upper curved-surface plate and a lower curved-surface plate, the air channel device is used for generating negative pressure on a negative pressure air suction field and composed of a vacuum pump, a fast-plug connector, an air pipe, a pressure equalizing box, a steel wire rubber pipe and an adjusting valve, and the air blowing flattening device is formed by an air blowing pipe, an upper guide strip and a lower guide strip. The curved-surface paper flattening device for the printing machine chain wheel movement achieves flattening of the curved surface of large paper through the chain wheel movement, guarantees that a charge coupled device (CCD) camera acquires stable high-definition images, and has the advantages of being reasonable in structural design, simple to operate, convenient to install and debug and good in detection quality.
Description
Technical field
The utility model belongs to a kind of curved surface device for smoothening sheets for the motion of printing machine sprocket wheel.
Background technology
The printing quality on-line detecting system of printing sheets adopts linear array CCD camera to gather view picture print product image by the video-splicing technology.Printing machine sprocket wheel position is the main image acquisition areas of detection system.Because the imaging system field range is large, CCD camera pixel distributive law is up to 0.08mm * 0.08mm/pixel, and opening greatly the printing sheets breadth is 800mm * 600mm.Printing sheets to be detected, especially large format printing sheets to be detected must guarantee that the printing sheets face is smooth when the image acquisition areas by printing machine sprocket wheel position, otherwise can cause flase drop.For guaranteeing image quality, the sheet spread that moves by sprocket wheel is the key that obtains high quality graphic in other words.Reliable and stable motion device for smoothening sheets can avoid causing that owing to paper waves illumination points to the angle and change, and the CCD camera can collect the stable HD image of gray scale, avoids the flase drop of testing result, finishes high-definition picture and detects.But be difficult at present realize the flattening of motion paper, so the flase drop of testing result happens occasionally, affect printing quality.
Summary of the invention
The purpose of this utility model is a kind of curved surface device for smoothening sheets for the motion of printing machine sprocket wheel of design, realizes large format by the paper surface flattening of sprocket wheel motion, guarantees that the CCD collected by camera is to stablizing HD image.Also have reasonable in design, simple to operate, installation and debugging are convenient, detect the measured advantage of matter.
For this reason, the utility model is by vavuum pump, quick connector, tracheae, all press box and control valve to be formed, and this device for smoothening sheets comprises that air draught flattens board component, gas path device and blowing flattening device;
Air draught flattens board component, on two, the lower surface camber plate consists of, air draught flattens board component and is positioned on the side lower part body of printing machine collecting cylinder, on, spacing distance is provided with several tricky tooth grooves on the front curve of lower surface camber plate, outer upper of tricky tooth groove, the air-breathing through hole that gathers on the lower surface camber plate forms the negative-pressure air-suction field, on, the rear curved surface of lower surface camber plate is provided with three independently left air draught chambeies, middle air draught chamber and right air draught chamber, the communicate air-breathing through hole of the opposed area on the negative-pressure air-suction field of each air draught chamber, on, on the lower surface camber plate rear side, the bottom is fixed with seize support and mount pad respectively by support;
Gas path device, be used for the negative-pressure air-suction field is produced negative pressure, by vavuum pump, quick connector, tracheae, all press box, wire rubber pipe and control valve to be consisted of, the bleeding point of vavuum pump is successively by wire rubber pipe, all press box, pressure regulator valve and quick connector and tracheae to communicate with each air draught chamber respectively, and the gas outlet of vavuum pump is successively by another wire rubber pipe with all press box to communicate with the blower of blowing flattening device;
The blowing flattening device, consisted of by blower, upper gib block, lower gib block, blower is positioned at the front curve front side of upper and lower curved slab, the air outlet of blower points to the front curve of upper and lower curved slab, the air inlet of blower is by wire rubber pipe and all press box to communicate with the gas outlet of vavuum pump, and upper gib block, lower gib block are positioned at the upper/lower terminal that air draught flattens board component.
The negative camber radian of described upper and lower curved slab and the outer peripheral face radian of printing machine sprocket wheel are suitable.Negative-pressure air-suction field on the described top-surface camber plate is positioned at the middle part of top-surface camber plate, intermediate distribution two its axis of row of negative-pressure air-suction field and the diameter that this flattening board plane angle is acute angle are numerous the counterbores of 3～5mm, each counterbore central authorities is provided with the air-breathing through hole of a 1～2mm, and each distribution diameter of both sides in the middle of the negative-pressure air-suction field is numerous the air-breathing through holes of 1～2mm.Numerous air-breathing through holes of the both sides in the middle of the air-breathing number of openings on the described lower surface camber plate and distribution and the top-surface camber plate negative-pressure air-suction field are symmetric.Described upper gib block is curved.Described lower gib block is vertical bar.The axis of described each counterbore and this top-surface camber board plane angle are 20o～80o.
The said structure design has reached the purpose of this utility model.
The utility model has been realized the paper surface flattening of large format by the sprocket wheel motion, has guaranteed that the CCD collected by camera to stablizing HD image, also has reasonable in design, and simple to operate, installation and debugging are convenient, detect the measured advantage of matter.
Description of drawings
Fig. 1 is use status architecture schematic diagram of the present utility model.
Fig. 2 is the structural representation of the front curve of upper and lower curved slab of the present utility model.
Fig. 3 is the side structure schematic diagram of Fig. 2.
Fig. 4 is the back structural representation of Fig. 2.
Fig. 5 is partial structurtes schematic diagram of the present utility model.
Fig. 6 is gas path device structural representation of the present utility model.
Specific embodiments
Extremely shown in Figure 5 such as Fig. 1, a kind of curved surface device for smoothening sheets for the motion of printing machine sprocket wheel, by vavuum pump 20, quick connector 21, tracheae 22, all press box 24 and control valve 23 to be formed, this device for smoothening sheets comprises that air draught flattens board component, gas path device and blowing flattening device.The utility model is used in traditional printing machine collecting cylinder 17 positions, also is provided with pulling shaft 4, upper seize 5, lower pulling shaft 12, lower seize 13, rear pulling shaft 16 and collection chain 18 on printing machine lining gear 1, cylinders of printing press 2, printing doffer 3, the printing machine on the printing machine body at this position.
Air draught of the present utility model flattens board component 10 and is made of top-surface camber plate 101 and lower surface camber plate 102, and air draught flattens board component and is positioned on the side lower part body of printing machine collecting cylinder.Spacing distance is provided with several tricky tooth grooves 104 on the front curve of upper and lower curved slab, and tricky tooth groove of the present utility model is 11 that spacing distance distributes.The effect of tricky tooth groove is to pass through for the tricky tooth band that printing machine transmits paper.Upper and lower curved slab adopts and makes smooth smooth scuffing and the pollution that can effectively prevent printing sheets through the corrosion resistant plate of polishing.
The air-breathing through hole 103 that gathers on the upper and lower curved slab outside the tricky tooth groove forms the negative-pressure air-suction fields.The rear curved surface of upper and lower curved slab is provided with three independently left air draught chamber 106, middle air draught chamber 107 and right air draught chambeies 105, the communicate air-breathing through hole of the opposed area on the negative-pressure air-suction field of each air draught chamber.Upper and lower curved slab rear side upper and lower part is fixing with seize support 6 and mount pad 11 respectively by support 7, is fixed on the side lower part body of printing machine collecting cylinder thereby make air draught flatten board component.The negative camber radian of described upper and lower curved slab and the outer peripheral face radian of printing machine sprocket wheel are suitable.Negative-pressure air-suction field on the described top-surface camber plate is positioned at the middle part of top-surface camber plate, intermediate distribution two its axis of row of negative-pressure air-suction field and the diameter that this flattening board plane angle is acute angle are numerous the counterbores of 3～5mm, and each counterbore central authorities is provided with the air-breathing through hole of a 1～2mm.The axis of described each counterbore and this top-surface camber board plane angle are 20o～80o.Each distribution diameter of both sides in the middle of the negative-pressure air-suction field is numerous the air-breathing through holes of 1～2mm.Numerous air-breathing through holes of the both sides in the middle of the air-breathing number of openings on the described lower surface camber plate and distribution and the top-surface camber plate negative-pressure air-suction field are symmetric, and the said structure design is beneficial to breadth by the paper expansion of sprocket wheel motion.
As shown in Figure 6, gas path device of the present utility model is used for the negative-pressure air-suction field is produced negative pressure, by vavuum pump, quick connector, tracheae, all press box, wire rubber pipe 25 and control valve to be consisted of.The bleeding point of vavuum pump is successively by wire rubber pipe, all press box, pressure regulator valve and quick connector and tracheae to communicate with each air draught chamber respectively, and the gas outlet of vavuum pump is successively by another wire rubber pipe with all press box to communicate with the blower 19 of blowing flattening device.Communicate each the air-breathing through hole of the opposed area on the negative-pressure air-suction field of obvious left air draught chamber, middle air draught chamber and right air draught chamber leading flank, each face of all the other of each air draught chamber are sealing surface and respectively by finally the communicate bleeding point of vavuum pump of each tracheae.
Such as Fig. 1 and shown in Figure 5, blowing flattening device of the present utility model is made of blower 19, upper gib block 8, lower gib block 15.Blower is positioned at the front curve front side of upper and lower curved slab, and the air outlet of blower points to the front curve of upper and lower curved slab.The air inlet of blower is by wire rubber pipe and all press box to communicate with the gas outlet of vavuum pump, and upper gib block, lower gib block are positioned at the upper/lower terminal that air draught flattens board component.One end of upper gib block, lower gib block is fixed on top-surface camber plate and the lower seize by upper gib block seat 9, lower gib block seat 14 respectively.
Described upper gib block is curved.Described lower gib block is vertical bar.The quantity of upper gib block, lower gib block is identical with the quantity of tricky tooth groove, also is distributed in interval distance, and the effect of upper gib block, lower gib block is to make the convenient air draught flattening board position that entirely passes in and out of printing sheets to be detected.
During use, open vavuum pump, through the turnover air quantity of initial debugging vavuum pump, reaching breadth is that 800mm * 600mm opens greatly printing paper when flattening board component by air draught, can be adsorbed on the upper and lower curved slab, can drag steady movement along with the tricky tooth band of printing machine again simultaneously.The bleeding point of vavuum pump makes each air-breathing through hole also produce negative pressure by each air draught being crossed exhausting, form the negative-pressure air-suction field on the upper and lower curved slab, a large printing paper flattens when flattening board component by air draught, makes the CCD camera collect stable clearly image by detection window.Simultaneously, the air that is entered by the bleeding point of vavuum pump is sent from the gas outlet of this vavuum pump and is entered blower.
When the tricky tooth band of printing machine is being held printing sheets by upper and lower curved slab in the month, the spacing of printing sheets and upper and lower curved slab is the 1-2 millimeter, the negative pressure that upper and lower curved slab surface forms is adsorbed on printing sheets on the upper and lower curved slab, it further is fitted on the upper and lower curved slab wind for preventing the paper blower that is provided with in the front of printing sheets that waves.The taking out of vavuum pump, gas outlet can be by pressure regulator valve adjustable pressure sizes, reach and namely adapt to printing sheets and be adsorbed on the upper and lower curved slab, guarantee again printing sheets along with the undeformed steady movement of dragging of tricky tooth band, guarantee that printing quality on-line detecting system CCD camera collects stable clearly image by this device detection window.Realize that pixel resolution detects up to the high precision image of 0.08mm * 0.08mm/pixel.
When printing machine started operation, device of the present utility model also simultaneously startup entered duty, install simply, and reliable operation, easy to operate.
In a word, the utility model has been realized the paper surface flattening of large format by the sprocket wheel motion, has guaranteed that the CCD collected by camera to stablizing HD image, also has reasonable in design, and simple to operate, installation and debugging are convenient, detect the measured advantage of matter.Can promote the use of.
Claims (7)
1. device for smoothening sheets that is used for the motion of printing machine sprocket wheel, by vavuum pump, quick connector, tracheae, all press box and control valve to be formed, it is characterized in that: this device for smoothening sheets comprises air draught flattening board component, gas path device and blowing flattening device;
Air draught flattens board component, on two, the lower surface camber plate consists of, air draught flattens board component and is positioned on the side lower part body of printing machine collecting cylinder, on, spacing distance is provided with several tricky tooth grooves on the front curve of lower surface camber plate, outer upper of tricky tooth groove, the air-breathing through hole that gathers on the lower surface camber plate forms the negative-pressure air-suction field, on, the rear curved surface of lower surface camber plate is provided with three independently left air draught chambeies, middle air draught chamber and right air draught chamber, the communicate air-breathing through hole of the opposed area on the negative-pressure air-suction field of each air draught chamber, on, on the lower surface camber plate rear side, the bottom is fixed with seize support and mount pad respectively by support;
Gas path device, be used for the negative-pressure air-suction field is produced negative pressure, by vavuum pump, quick connector, tracheae, all press box, wire rubber pipe and control valve to be consisted of, the bleeding point of vavuum pump is successively by wire rubber pipe, all press box, pressure regulator valve and quick connector and tracheae to communicate with each air draught chamber respectively, and the gas outlet of vavuum pump is successively by another wire rubber pipe with all press box to communicate with the blower of blowing flattening device;
The blowing flattening device, consisted of by blower, upper gib block, lower gib block, blower is positioned at the front curve front side of upper and lower curved slab, the air outlet of blower points to the front curve of upper and lower curved slab, the air inlet of blower is by wire rubber pipe and all press box to communicate with the gas outlet of vavuum pump, and upper gib block, lower gib block are positioned at the upper/lower terminal that air draught flattens board component.
2. by the device for smoothening sheets for the motion of printing machine sprocket wheel claimed in claim 1, it is characterized in that: the negative camber radian of described upper and lower curved slab and the outer peripheral face radian of printing machine sprocket wheel are suitable.
3. by the device for smoothening sheets for the motion of printing machine sprocket wheel claimed in claim 1, it is characterized in that: the negative-pressure air-suction field on the described top-surface camber plate is positioned at the middle part of top-surface camber plate, intermediate distribution two its axis of row of negative-pressure air-suction field and the diameter that this flattening board plane angle is acute angle are numerous the counterbores of 3～5mm, each counterbore central authorities is provided with the air-breathing through hole of a 1～2mm, and each distribution diameter of both sides in the middle of the negative-pressure air-suction field is numerous the air-breathing through holes of 1～2mm.
4. by the device for smoothening sheets for the motion of printing machine sprocket wheel claimed in claim 1, it is characterized in that: numerous air-breathing through holes of the both sides in the middle of the air-breathing number of openings on the described lower surface camber plate and distribution and the top-surface camber plate negative-pressure air-suction field are symmetric.
5. by the device for smoothening sheets for the motion of printing machine sprocket wheel claimed in claim 3, it is characterized in that: the axis of described each counterbore and top-surface camber board plane angle are 20o～80o.
6. by the device for smoothening sheets for the motion of printing machine sprocket wheel claimed in claim 1, it is characterized in that: described upper gib block is curved.
7. by the device for smoothening sheets for the motion of printing machine sprocket wheel claimed in claim 1, it is characterized in that: described lower gib block is vertical bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350589 CN202911287U (en) | 2012-07-19 | 2012-07-19 | Curved-surface paper flattening device for printing machine chain wheel movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350589 CN202911287U (en) | 2012-07-19 | 2012-07-19 | Curved-surface paper flattening device for printing machine chain wheel movement |
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| Publication Number | Publication Date |
|---|---|
| CN202911287U true CN202911287U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350589 Expired - Fee Related CN202911287U (en) | 2012-07-19 | 2012-07-19 | Curved-surface paper flattening device for printing machine chain wheel movement |
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| Country | Link |
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| CN (1) | CN202911287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744964A (en) * | 2012-07-19 | 2012-10-24 | 北京华夏视科图像技术有限公司 | Curved surface paper flattening device for chain wheel motion of printing machine |
-
2012
- 2012-07-19 CN CN 201220350589 patent/CN202911287U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744964A (en) * | 2012-07-19 | 2012-10-24 | 北京华夏视科图像技术有限公司 | Curved surface paper flattening device for chain wheel motion of printing machine |
| CN102744964B (en) * | 2012-07-19 | 2015-04-22 | 北京华夏视科图像技术有限公司 | Curved surface paper flattening device for chain wheel motion of printing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |