CN102992087B - Printed matter flattening device and printed matter image detecting equipment comprising same - Google Patents
Printed matter flattening device and printed matter image detecting equipment comprising same Download PDFInfo
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- CN102992087B CN102992087B CN201210473784.0A CN201210473784A CN102992087B CN 102992087 B CN102992087 B CN 102992087B CN 201210473784 A CN201210473784 A CN 201210473784A CN 102992087 B CN102992087 B CN 102992087B
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Abstract
The invention discloses a printed matter flattening device which comprises a flattening plate, a vacuum generator, a negative pressure pipeline and a valve. The flattening plate is internally provided with a negative pressure cavity, and an air hole communicated with the negative pressure cavity is arranged on the upper surface of the flattening plate. One end of the negative pressure pipeline is connected with the vacuum generator, and another end of the negative pressure pipeline is connected with the negative pressure cavity. The valve is arranged on the negative pressure pipeline to be used for connecting and disconnecting the negative pressure pipeline. According to the printed matter flattening device provided by embodiments of the invention, when a printed matter is placed on the flattening plate, the vacuum generator can exhaust air of the negative pressure cavity to exhaust air between the printed matter and the flattening plate, so that the printed matter can be tightly fit on the flattening plate under the action of atmosphere, therefore, the printed matter is flattened, and the statuses of the printed matter, i.e. edge warping, bag concaveness, bag convex and the like can be avoided. The invention further discloses printed matter image detecting equipment comprising the printed matter flattening device.
Description
Technical field
The present invention relates to print field, in particular to a kind of printed matter flattening device and the printed matter image detecting apparatus with it.
Background technology
When gathering the image of printed matter, printed matter there will be the phenomenon such as alice, concavo-convex bag.This causes the of low quality of the image of the printed matter gathered, and can not meet the requirement of image detection.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.For this reason, one object of the present invention is to propose a kind of printed matter flattening device making printed matter be in flat.
Another object of the present invention is to propose a kind of printed matter image detecting apparatus with above-mentioned printed matter flattening device.
According to the printed matter flattening device of the embodiment of the present invention, comprising: flatten plate, have negative pressure cavity in described flattening plate, the upper surface of described flattening plate is provided with the pore be communicated with described negative pressure cavity; Vacuum generator; Negative pressure line, one end of described negative pressure line is connected with described vacuum generator and the other end of described negative pressure line is connected with described negative pressure cavity; And valve, described valve is located in described negative pressure line and cuts off described negative pressure line for connected sum.
According to the printed matter flattening device of the embodiment of the present invention, when printed matter being placed on flattening plate, vacuum generator can be bled so that by the evacuating air between printed matter and flattening plate to negative pressure cavity, thus under atmospheric pressure, printed matter to be fitted in tightly flatten on plate, to make printed matter be in flat, to avoid printed matter and occur the state such as alice, concavo-convex bag.
In addition, printed matter flattening device according to the above embodiment of the present invention can also have following additional technical characteristic:
Particularly, the planeness of the upper surface of described flattening plate is not more than 0.2 millimeter.Printed matter can be made thus more entirely to be placed on the upper surface of flattening plate, thus the image of this printed matter of collection can be made more stable, clear.
Further, described pore is multiple, and multiple described pore is arranged in multirow and multiple row.Not only more rapidly the air between the lower surface of printed matter and the upper surface flattening plate can be taken away thus, and printed matter can be made more entirely to be placed on the upper surface of flattening plate.
Alternatively, described vacuum generator is in air extracting pump, vacuum pump and vacuum generator.
Alternatively, described negative pressure line is for being wound with flexible pipe wiry.Thus when utilizing vacuum generator to be bled to negative pressure cavity by negative pressure line, negative pressure line can be avoided to be out of shape.
Preferably, described valve is electromagnetic valve.
According to some embodiments of the present invention, printed matter flattening device also comprises: above point chamber rib, on the roof that described upper point chamber rib is located at described negative pressure cavity and along the whole Width extension of described negative pressure cavity; Resilient divider, the left side of described resilient divider is connected with the diapire of described negative pressure cavity and right side is connected with in right side wall with the diapire of described negative pressure cavity, and described resilient divider extends along the whole Width of described negative pressure cavity; Under divide chamber rib, described lower point of chamber rib is located on described resilient divider and along the whole Width of described negative pressure cavity and extends, described lower point of chamber rib is removable between disengaging configuration and point position, chamber, lower point of chamber rib described in described disengaging configuration and described on point chamber rib spaced apart, lower point of chamber rib described in position, described point of chamber with described on a point chamber rib contact; And actuator, described actuator is connected with described lower point of chamber rib and described actuator is located on the diapire of described negative pressure cavity movably between described disengaging configuration and position, described point of chamber, and described actuator stretches out described negative pressure cavity.
Pass through in negative pressure cavity, arrange a point chamber rib, down point chamber rib and resilient divider according to the printed matter flattening device of the embodiment of the present invention, thus can separate negative pressure cavity to obtain the chamber of different length.The bank note of different denomination can be made to flatten according to the printed matter flattening device of the embodiment of the present invention thus, namely printed matter flattening device has the advantages such as range of use is wide.
Further, a described upper point chamber rib is that multiple and multiple described upper point chamber rib is located on the roof of described negative pressure cavity in left-right direction at interval, described lower point of chamber rib is that multiple and multiple described lower point of chamber rib is located on described resilient divider in left-right direction at interval, multiple described lower point of chamber rib and multiple described upper point chamber rib one_to_one corresponding, described actuator is that multiple and multiple described actuator is connected with multiple described lower point of chamber rib respectively accordingly.The bank note of how different denomination can be flattened according to the printed matter flattening device of the embodiment of the present invention thus, thus the range of use of printed matter flattening device can be expanded further.
Further, each described lower point of chamber rib is connected with multiple described actuator.A point chamber rib on even keel can be made down thus to move between described disengaging configuration and position, described point of chamber, a point chamber rib on even keel namely can be made down to move up and down.
In some embodiments of the invention, printed matter flattening device also comprises elastic component, and one end of described elastic component is connected with the diapire of described negative pressure cavity and the other end is connected with described lower point of chamber rib, and wherein described in position, described point of chamber, elastic component is in extended state.Can ensure down that point chamber rib can move to described disengaging configuration from position, described point of chamber thus.
Alternatively, described resilient divider is elastic plate or elastic membrane.
According to the printed matter image detecting apparatus of the embodiment of the present invention, comprise printed matter flattening device according to the above embodiment of the present invention.
According to the printed matter image detecting apparatus of the embodiment of the present invention by arranging printed matter flattening device according to the above embodiment of the present invention, thus the printed matter be placed on flattening plate can be made to be in flat, ensure the stable HD image that can collect printed matter.Therefore according to the printed matter image detecting apparatus of the embodiment of the present invention, there is the advantages such as Detection job is good.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of printed matter flattening device according to an embodiment of the invention, and wherein lower point of chamber rib is in disengaging configuration;
Fig. 2 is the structural representation of printed matter flattening device in accordance with another embodiment of the present invention, and wherein lower point of chamber rib is in disengaging configuration; With
Fig. 3 is the structural representation of printed matter flattening device in accordance with another embodiment of the present invention, and wherein lower point of chamber rib is in a point position, chamber.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of the instruction such as " conter clockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 3, the printed matter flattening device 100 according to the embodiment of the present invention is described.Printed matter flattening device 100 can be placed with printed matter, such as bank note.
As shown in Figure 1-Figure 3, flattening plate 1, vacuum generator 2, negative pressure line 3 and valve 4 is comprised according to the printed matter flattening device 100 of the embodiment of the present invention.
Flatten in plate 1 and have negative pressure cavity 10, the upper surface 11 flattening plate 1 is provided with the pore (not shown) be communicated with negative pressure cavity 10.One end of negative pressure line 3 is connected with vacuum generator 2 and the other end of negative pressure line 3 is connected with negative pressure cavity 10.The diapire 13 of i.e. negative pressure cavity 10 is formed with through hole, and the other end of negative pressure line 3 is communicated with through hole.Particularly, the lower end of negative pressure line 3 can be connected with vacuum generator 2 and the upper end of negative pressure line 3 can be connected with negative pressure cavity 10.Valve 4 is located in negative pressure line 3 and cuts off negative pressure line 3 for connected sum.
The use procedure of the printed matter flattening device 100 according to the embodiment of the present invention is described below.First, printed matter (such as bank note) is placed on the upper surface 11 of flattening plate 1, then valve 4 is opened to be communicated with negative pressure line 3, open vacuum generator 2 pairs of negative pressure cavities 10 to bleed to produce negative-pressure air-flow simultaneously, negative-pressure air-flow is flowed into by the described pore flattened on the upper surface 11 of plate 1, is then extracted out by vacuum generator 2 through negative pressure cavity 10, negative pressure line 3 successively.During negative-pressure air-flow flowing, the air between the lower surface of printed matter and the upper surface 11 flattening plate 1 is taken away by vacuum generator 2 by described pore.After air between the lower surface and the upper surface 11 flattening plate 1 of printed matter is all taken away, along with vacuum generator 2 continue bleed, certain negative pressure can be produced between printed matter and flattening plate 1, under atmospheric pressure, printed matter can be fitted on the upper surface 11 of flattening plate 1 tightly, makes printed matter be in flat.Image acquisition work can be carried out subsequently to this printed matter.Advantageously, CCD camera can be utilized to gather the image of this printed matter.
After image acquisition work completes, valve 4 and vacuum generator 2 can be closed, between the lower surface of printed matter and the upper surface 11 flattening plate 1, be full of air, finally printed matter be taken off from flattening plate 1.
According to the printed matter flattening device 100 of the embodiment of the present invention, when printed matter being placed on flattening plate 1, vacuum generator 2 can be bled so that by the evacuating air between printed matter and flattening plate 1 to negative pressure cavity 10, thus under atmospheric pressure, printed matter to be fitted in tightly flatten on plate 1, to make printed matter be in flat, to avoid printed matter and occur the state such as alice, concavo-convex bag.The quality of the image of this gathered printed matter can be ensured thus, meet the requirement of image detection.In other words, place printed matter by utilizing according to the printed matter flattening device 100 of the embodiment of the present invention, thus printed matter can be made to be in flat, the stable HD image collecting this printed matter can be ensured thus.Therefore, according to the printed matter flattening device 100 of the embodiment of the present invention, there is the advantages such as reasonable in design, simple to operate, Installation and Debugging convenient, Detection job is good.
Alternatively, vacuum generator 2 can be in air extracting pump, vacuum pump and vacuum generator.Advantageously, valve 4 can be electromagnetic valve.Negative pressure line 3 can be wound with flexible pipe wiry.Such as, negative pressure line 3 can be the flexible pipe being wound with steel wire.Thus when utilizing vacuum generator 2 to be bled by negative pressure line 3 pairs of negative pressure cavities 10, negative pressure line 3 can be avoided to be out of shape.
It should be noted that the area of the pore on the sectional area of the capacity of vacuum generator 2, negative pressure line 3, the volume of negative pressure cavity 10 and flattening plate 1 is by optimal design, to obtain optimal parameter proportioning, ensure that the best of negative-pressure air-flow is used.
In one embodiment of the invention, the planeness flattening the upper surface 11 of plate 1 can be not more than 0.2 millimeter.Printed matter can be made thus more entirely to be placed on the upper surface 11 of flattening plate 1, thus the image of this printed matter of collection can be made more stable, clear.Advantageously, flattening plate 1 can be made up of the materials processing with good rigidity, and is easy to machine-shaping., will be understood by those skilled in the art that meanwhile, the process of black no-reflection can be carried out to flattening the upper surface 11 of plate 1, and flatten the color of each position of the upper surface 11 of plate 1 homogeneity, absorptance can be consistent.
In some embodiments of the invention, pore is multiple, and multiple pore is arranged in multirow and multiple row.Not only more rapidly the air between the lower surface of printed matter and the upper surface 11 flattening plate 1 can be taken away thus, and printed matter can be made more entirely to be placed on the upper surface 11 of flattening plate 1.
Further, multiple pore spaced set of the every a line in multirow and adjacent two pores spaced a predetermined distance, preset distance described in multiple pore spaced set of each row in multiple row and adjacent two pore intervals.In other words, every a line can comprise multiple pore and each row also can comprise multiple pore.Printed matter can be made thus more entirely to be placed on the upper surface 11 of flattening plate 1, to avoid printed matter to occur the state such as alice, concavo-convex bag.
As shown in Figure 1-Figure 3, in some embodiments of the invention, flattening device 100 can also comprise a point chamber rib 5, resilient divider 6, down point chamber rib 7 and actuator 8.
A upper point chamber rib 5 is located on the roof 12 of negative pressure cavity 10, and upper point chamber rib 5 is along whole Width extension (namely orthogonal with paper direction) of negative pressure cavity 10.The left side of resilient divider 6 is connected with the diapire 13 of negative pressure cavity 10 and the right side of resilient divider 6 is connected with in right side wall 15 with the diapire 13 of negative pressure cavity 10 (left and right directions is as shown in the arrow A in Fig. 1-Fig. 3), and resilient divider 6 extends along the whole Width of negative pressure cavity 10.Point chamber rib 7 to be located on resilient divider 6 and lower point of chamber rib 7 extends along the whole Width of negative pressure cavity 10 down, under divide chamber rib 7 removable between disengaging configuration and point position, chamber, under described disengaging configuration point chamber rib 7 with on point chamber rib 5 spaced apart so that whole negative pressure cavity 10 is in connected state, point Xia Fen chamber, position, chamber rib 7 with on a point chamber rib 5 contact, negative pressure cavity 10 can be divided into two mutual disconnected chambers by upper point chamber rib 5, down point chamber rib 7 and resilient divider 6 thus.Actuator 8 is connected with lower point of chamber rib 7 and actuator 8 is located on the diapire 13 of negative pressure cavity 10 movably between disengaging configuration and point position, chamber, and actuator 8 stretches out negative pressure cavity 10.
In other words, above the front end of point chamber rib 5 can be connected with the antetheca of negative pressure cavity 10 and the rear end of upper point chamber rib 5 can be connected with the rear wall of negative pressure cavity 10.The front end of resilient divider 6 is connected with the antetheca of negative pressure cavity 10, the rear end of resilient divider 6 is connected with the rear wall of negative pressure cavity 10, in the example of fig. 1, the right-hand member of resilient divider 6 is connected with the right side wall 15 of negative pressure cavity 10, in the example of Fig. 2 and Fig. 3, the right-hand member of resilient divider 6 is connected with the diapire 13 of negative pressure cavity 10.The front end of point chamber rib 7 is connected with the antetheca of negative pressure cavity 10 down, and the rear end of lower point of chamber rib 7 is connected with the rear wall of negative pressure cavity 10.
Wherein, the left end of resilient divider 6 is connected with the diapire 13 on right side of the through hole be connected with negative pressure line 3 being positioned at negative pressure cavity 10.In other words, the through hole be connected with negative pressure line 3 of negative pressure cavity 10 can between the left side wall 14 of negative pressure cavity 10 and resilient divider 6.The length of the negative pressure cavity 10 communicated with negative pressure line 3 is changed thus by upper point chamber rib 5, resilient divider 6 and lower point of chamber rib 7.
At present, commercially paper money in circulation comprises the denominations such as 1 yuan, 5 yuan, 10 yuan, 20 yuan, 50 yuan, 100 yuan.Wherein, the width of the banknote of different denomination is close, but the length of the banknote of different denomination difference is larger.
Printed matter flattening device 100 according to the embodiment of the present invention passes through in negative pressure cavity 10, arrange a point chamber rib 5, down point chamber rib 7 and resilient divider 6, thus can separate to obtain the chamber of different length negative pressure cavity 10.The bank note of different denomination can be made to flatten according to the printed matter flattening device 100 of the embodiment of the present invention thus, namely printed matter flattening device 100 has the advantages such as range of use is wide.Particularly, above divide chamber rib 5 and lower point of chamber rib 7 spaced apart time, printed matter flattening device 100 be suitable for by bank note larger for denomination flatten, when above point chamber rib 5 contacts with lower point of chamber rib 7, printed matter flattening device 100 is suitable for bank note less for denomination to flatten.
Specifically, actuator 8 can move up and down to drive lower point of chamber rib 7 to move up and down, and drives resilient divider 6 to be out of shape when lower point of chamber rib 7 moves up and down.Under actuator 8 drives, point chamber rib 7 is moved upwards up to the process of described point position, chamber from described disengaging configuration, resilient divider 6 is out of shape gradually, when actuator 8 drives lower point of chamber rib 7 to move to point position, chamber, under point chamber rib 7 contact with upper point chamber rib 5 so that negative pressure cavity 10 is divided into disconnected first sub-negative pressure cavity 10a and the second sub-negative pressure cavity 10b mutually by upper point chamber rib 5, down point chamber rib 7 and resilient divider 6, the first sub-negative pressure cavity 10a can be connected with negative pressure line 3.
Further, as shown in Figure 1-Figure 3, a upper point chamber rib 5 is that multiple and multiple upper point chamber rib 5 is located on the roof 12 of negative pressure cavity 10 in left-right direction at interval, under point chamber rib 7 be located at interval in left-right direction on resilient divider 6 for multiple and multiple lower point of chamber rib 7, multiple lower point of chamber rib 7 is that multiple and multiple actuator 8 is connected with multiple lower point of chamber rib 7 respectively accordingly with multiple upper point chamber rib 5 one_to_one corresponding, actuator 8.In other words, an actuator 8 can be connected with a lower point of chamber rib 7.The bank note of how different denomination can be flattened according to the printed matter flattening device 100 of the embodiment of the present invention thus, thus the range of use of printed matter flattening device 100 can be expanded further.That is, upper point chamber rib 5 and the lower point of distance between chamber rib 7 and the left side wall 14 of negative pressure cavity 10 that can be contacted by adjustment, make printed matter flattening device 100 be suitable for flattening the bank note of different denomination.Advantageously, the upper point chamber rib 5 contacted and the lower point of distance between chamber rib 7 and the left side wall 14 of negative pressure cavity 10 can slightly larger than the length of bank note.
Particularly, each lower point of chamber rib 7 can be connected with multiple actuator 8.In other words, multiple actuator 8 can be distributed on the diapire 13 of negative pressure cavity 10 along the length direction (namely orthogonal with paper direction) of each corresponding lower point of chamber rib 7.Point chamber rib 7 on even keel can be made down thus to move between described disengaging configuration and position, described point of chamber, point chamber rib 7 on even keel namely can be made down to move up and down.
According to some embodiments of the present invention, as shown in Figure 1-Figure 3, printed matter flattening device 100 also comprises elastic component 9, and one end of elastic component 9 is connected with the diapire 13 of negative pressure cavity 10 and the other end of elastic component 9 is connected with lower point of chamber rib 7, is wherein in extended state at point position, a chamber elastic component 9.Can ensure down that point chamber rib 7 can move to described disengaging configuration from position, described point of chamber thus.Preferably, elastic component 9 is spring.
Alternatively, resilient divider 6 is elastic plate or elastic membrane.Actuator 8 is screw or bolt.The diapire 13 of negative pressure cavity 10 can be provided with along the vertical direction the mounting hole of the diapire 13 of (as shown in the arrow B in Fig. 1-Fig. 3) through negative pressure cavity 10, the wall of described mounting hole can be provided with screw thread, screw or bolt can screw thread fit in described mounting hole so that screw or bolt can move up and down.
Below with reference to Fig. 1-Fig. 3, the working process according to the printed matter flattening device 100 of the embodiment of the present invention is described, wherein with the printed matter be placed on printed matter flattening device 100 be bank note, actuator 8 for screw, elastic component 9 is for spring and be enclosed within actuator 8 as example is described.
First, bank note is placed on the upper surface 11 of flattening plate 1, the length of the negative pressure cavity 10 that the length adjustment that then basis is placed on the bank note flattened on plate 1 is communicated with vacuum generator 2, now corresponding lower point of chamber rib 7 is driven to move up by turning screw 8, in the process that lower point of chamber rib 7 moves up, resilient divider 6 is out of shape gradually and elastic component 9 is stretched, instantly when a point chamber rib 7 moves upward to point position, chamber, under point chamber rib 7 contact with upper point chamber rib 5, elastic component 9 is in extended state, upper point chamber rib 5, negative pressure cavity 10 is divided into the first sub-negative pressure cavity 10a and the second sub-negative pressure cavity 10b by resilient divider 6 and lower point of chamber rib 7.Wherein, distance between chamber rib 5 and the left side wall 14 of negative pressure cavity 10 of this lower point of chamber rib 7 and upper point and to be placed on the length of the bank note flattened on plate 1 suitable.
Then, open valve 4 and vacuum generator 2, vacuum generator 2 starts start to bleed to the first sub-negative pressure cavity 10a thus be formed with negative-pressure air-flow, this negative-pressure air-flow is flowed into by the pore flattening plate 1, then successively by the first sub-negative pressure cavity 10a, negative pressure line 3 is extracted out by vacuum generator 2, during negative-pressure air-flow flowing, air between the lower surface of printed matter and the upper surface 11 flattening plate 1 is taken away by vacuum generator 2 by pore, after air between the lower surface and the upper surface 11 flattening plate 1 of printed matter is all taken away, along with vacuum generator 2 continue bleed, certain negative pressure can be produced between printed matter and flattening plate 1, under atmospheric pressure, printed matter can be fitted on the upper surface 11 of flattening plate 1 tightly, printed matter is made to be in flat.Image acquisition work can be carried out subsequently to this printed matter.
After image acquisition work completes, valve 4 and vacuum generator 2 can be closed, between the lower surface of printed matter and the upper surface 11 flattening plate 1, be full of air, now bank note can be taken away from flattening plate 1.
According to the printed matter flattening device 100 of the embodiment of the present invention, can make to be placed on the printed matter flattened on plate 1 and be in flat, and reasonable in design, simple to operate, Installation and Debugging are convenient.
According to the printed matter image detecting apparatus of the embodiment of the present invention, comprise printed matter flattening device 100 according to the above embodiment of the present invention.Particularly, printed matter image detecting apparatus also can include CCD camera to gather the image being placed on the printed matter flattened on plate 1.
According to the printed matter image detecting apparatus of the embodiment of the present invention by arranging printed matter flattening device 100 according to the above embodiment of the present invention, thus the printed matter be placed on flattening plate 1 can be made to be in flat, ensure the stable HD image that can collect printed matter.Therefore according to the printed matter image detecting apparatus of the embodiment of the present invention, there is the advantages such as Detection job is good.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (12)
1. a printed matter flattening device, is characterized in that, comprising:
Flatten plate, have negative pressure cavity in described flattening plate, the upper surface of described flattening plate is provided with the pore be communicated with described negative pressure cavity;
Vacuum generator;
Negative pressure line, one end of described negative pressure line is connected with described vacuum generator and the other end of described negative pressure line is connected with described negative pressure cavity;
Valve, described valve is located in described negative pressure line and cuts off described negative pressure line for connected sum;
Upper point of chamber rib, on the roof that described upper point chamber rib is located at described negative pressure cavity and along the whole Width extension of described negative pressure cavity;
Resilient divider, the left side of described resilient divider is connected with the diapire of described negative pressure cavity and right side is connected with in right side wall with the diapire of described negative pressure cavity, and described resilient divider extends along the whole Width of described negative pressure cavity;
Under divide chamber rib, described lower point of chamber rib is located on described resilient divider and along the whole Width of described negative pressure cavity and extends, described lower point of chamber rib is removable between disengaging configuration and point position, chamber, lower point of chamber rib described in described disengaging configuration and described on point chamber rib spaced apart, lower point of chamber rib described in position, described point of chamber with described on a point chamber rib contact; With
Actuator, described actuator is connected with described lower point of chamber rib and described actuator is located on the diapire of described negative pressure cavity movably between described disengaging configuration and position, described point of chamber, and described actuator stretches out described negative pressure cavity.
2. printed matter flattening device according to claim 1, is characterized in that, the planeness of the upper surface of described flattening plate is not more than 0.2 millimeter.
3. printed matter flattening device according to claim 1, is characterized in that, described pore is multiple, and multiple described pore is arranged in multirow and multiple row.
4. printed matter flattening device according to claim 1, is characterized in that, described vacuum generator is air extracting pump or vacuum generator.
5. printed matter flattening device according to claim 1, is characterized in that, described vacuum generator is vacuum pump.
6. printed matter flattening device according to claim 1, is characterized in that, described negative pressure line is for being wound with flexible pipe wiry.
7. printed matter flattening device according to claim 1, is characterized in that, described valve is electromagnetic valve.
8. printed matter flattening device according to claim 1, it is characterized in that, a described upper point chamber rib is that multiple and multiple described upper point chamber rib is located on the roof of described negative pressure cavity in left-right direction at interval, described lower point of chamber rib is that multiple and multiple described lower point of chamber rib is located on described resilient divider in left-right direction at interval, multiple described lower point of chamber rib and multiple described upper point chamber rib one_to_one corresponding, described actuator is that multiple and multiple described actuator is connected with multiple described lower point of chamber rib respectively accordingly.
9. printed matter flattening device according to claim 8, each described lower point of chamber rib is connected with multiple described actuator.
10. printed matter flattening device according to claim 1, it is characterized in that, also comprise elastic component, one end of described elastic component is connected with the diapire of described negative pressure cavity and the other end is connected with described lower point of chamber rib, and wherein described in position, described point of chamber, elastic component is in extended state.
11. printed matter flattening devices according to claim 1, is characterized in that, described resilient divider is elastic plate or elastic membrane.
12. 1 kinds of printed matter image detecting apparatus, is characterized in that, comprise the printed matter flattening device according to any one of claim 1-11.
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| CN201210473784.0A CN102992087B (en) | 2012-11-20 | 2012-11-20 | Printed matter flattening device and printed matter image detecting equipment comprising same |
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| DE10128833A1 (en) * | 2001-06-15 | 2003-01-02 | Koenig & Bauer Ag | Quality control device |
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