CN108460901B - Banknote suction brush overturning and spreading device and banknote flattening and arranging method thereof - Google Patents
Banknote suction brush overturning and spreading device and banknote flattening and arranging method thereof Download PDFInfo
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- CN108460901B CN108460901B CN201810106609.5A CN201810106609A CN108460901B CN 108460901 B CN108460901 B CN 108460901B CN 201810106609 A CN201810106609 A CN 201810106609A CN 108460901 B CN108460901 B CN 108460901B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
- G07D11/10—Mechanical details
- G07D11/16—Handling of valuable papers
- G07D11/175—Flattening, e.g. straightening out folds
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Abstract
The invention discloses a banknote suction brush unfolding and spreading device which comprises an air-permeable conveying belt, an enhanced suction device, a rotary brush device and a negative pressure generating device, wherein the rotary brush device and the negative pressure generating device are assembled outside the air-permeable conveying belt; the negative pressure generating device is arranged outside the rotary brush device, and the negative pressure generated by the negative pressure generating device penetrates through the rotary brush device to enable the inner side of the rotary brush device to generate suction in the direction opposite to the direction of the adsorption force of the reinforced adsorption device. The problem of fifty percent discount bank note exhibition flat arrangement is solved.
Description
Technical Field
The invention relates to a paper money processing device, in particular to a paper money suction brush unfolding and spreading device and a paper money unfolding and arranging method thereof.
Background
The Chinese patent document discloses a 'bank note leveling device' (application number CN201710315467.9 publication date: 2017.11.14), which discloses a bank note leveling device, comprising an array reinforcing adsorption device and a synchronous steam ironing leveling device which are sequentially arranged in the moving direction of a breathable conveying belt, wherein the array reinforcing adsorption device is tightly attached to the inner side of the breathable conveying belt and synchronously rotates with the breathable conveying belt, so that bank notes are conveyed on the breathable conveying belt in a mutually separated state; the synchronous steam ironing leveling device comprises a lower steam nozzle arranged on the negative pressure side of the breathable conveying belt, an upper steam nozzle arranged on the non-negative pressure side of the breathable conveying belt and a synchronous banknote pressing device, and the banknote folding angle or local wrinkles are unfolded and leveled under the action of high-temperature steam sprayed by the upper steam nozzle and the lower steam nozzle, so that the synchronous steam ironing leveling device can be well adapted to the randomness of the banknote folding angle or local wrinkles, is quick and efficient, and is particularly suitable for automatic arrangement of a large number of banknotes. However, as shown in FIG. 1: the eight banknotes to be flattened and sorted in the folded state, denoted by the angle α and the angle β, cannot be processed.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the banknote suction brush unfolding and paving device and the banknote unfolding and arranging method for processing the problems of folding, flattening and arranging of banknotes are provided.
The invention adopts the technical scheme that, on one hand: a bank note suction brush turning and spreading device comprises a breathable conveying belt and a reinforced adsorption device, wherein at least one row of reinforced negative pressure adsorption points are arranged on the breathable conveying belt along the conveying direction, the reinforced adsorption device is arranged on the inner side of the breathable conveying belt, and the reinforced adsorption device generates adsorption force for adsorbing bank notes on the reinforced negative pressure adsorption points on the adsorption central line of the breathable conveying belt; the bank note sucking, brushing, turning and spreading device further comprises a rotary brush device and a negative pressure generating device which are assembled on the outer side of the breathable conveying belt, the rotary brush devices are arranged in groups, each group of rotary brush devices comprises a first brush device and a second brush device, each group of rotary brush devices are arranged on the breathable conveying belt in a symmetrical and paired mode on two sides of an adsorption central line of the breathable conveying belt, each rotary brush device mainly comprises a rotary brush which is rotatably arranged on the upper portion of the breathable conveying belt, a brush arm for clamping the rotary brush and a rotary power device, and the rotating directions of the brushes of each group of rotary brush devices are the same; the negative pressure generating device is arranged on the outer side of the rotary brush device, and the negative pressure generated by the negative pressure generating device penetrates through the rotary brush device to enable the inner side of the rotary brush device to generate suction force in the direction opposite to the direction of the suction force of the enhanced suction device.
The negative pressure generating device is a fan.
The banknote suction brush turning and spreading device is provided with a plurality of groups.
The rotating brushes of the rotating brush device are obliquely arranged, and the action ends of the rotating brushes extend to the breathable conveying belt along the oblique rear lower part with the opposite rotating direction, so that the upper parts of the rotating brushes in the rotating direction are arranged in the front and the lower ends of the rotating brushes in the rear.
The brush arms of the rotary brush device are uniformly distributed around the rotating center according to more than two groups.
On the other hand: a bank note flattening and arranging method adopting the bank note suction brush overturning and spreading device comprises the following steps:
s1: under the action of the adsorption force generated by the reinforced adsorption device, the bank notes to be flattened and sorted are distributed on the breathable conveying belt in a one-to-one correspondence manner with the reinforced negative pressure adsorption points, and the bank notes to be flattened and sorted, which are not in contact with the reinforced negative pressure adsorption points, are separated from the breathable conveying belt under the action of gravity or other external forces.
S2: the bank notes to be flattened and sorted which are contacted with the enhanced negative pressure adsorption points are continuously conveyed to a subsequent processing procedure by the breathable conveying belt;
s3: utilize negative pressure generating device will wait to open up the flat top folding part of arranging the bank note and adsorb into upright state, then through set up in groups rotatory brush device will stand up the folding part of the flat bank note of arranging of waiting to open up of state and spread out and lay flat, finally, the folding part of the flat bank note of arranging of waiting to open up after spreading out and laying flat is adsorbed, hugs closely on ventilative conveyer belt.
The invention has the beneficial effects that: the invention solves the problem of flattening and arranging folded paper money, realizes automation of overturning, unfolding and tiling of a paper money suction brush, and improves the paper money arranging efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the postures of eight folded banknotes dispersed on an air-permeable conveyer belt.
FIG. 2 is a schematic view of the rotating brush assembly and negative pressure generating assembly of the present invention positioned above an air permeable conveyor belt.
Fig. 3 is a top view of fig. 2.
Figure 4 is a schematic representation of the banknote before being turned flat when the folded edges are at an angle α =0 ° to the speed direction.
Figure 5 is a schematic view of a banknote after being turned flat with the fold edges at an angle α =0 ° to the speed direction.
Figure 6 is a schematic representation of the banknote before being turned flat when the angle between the facing flanges and the speed direction is 0 < alpha < 90 deg..
Figure 7 is a schematic view of a banknote being turned flat when the angle between the opposite flanges and the speed direction is 0 < alpha < 90 deg.
Figure 8 is a schematic view of the banknote before being turned flat when the folded edges are at an angle α =90 ° to the speed direction.
Figure 9 is a schematic view of a banknote after being turned flat with the fold edges at an angle α =90 ° to the speed direction.
Figure 10 is a schematic representation of the banknote before being turned flat when the folded edges are at an angle of 90 < alpha < 180 to the speed direction.
Figure 11 is a schematic view of a banknote being turned flat with the fold edges at an angle of 90 < alpha < 180 to the speed direction.
Figure 12 is a schematic representation of the banknote before being turned flat when the folded edges are at an angle β =0 ° to the direction of speed.
Figure 13 is a schematic view of a banknote after being turned flat with the fold edges at an angle β =0 ° to the speed direction.
Figure 14 is a schematic representation of the banknote before being turned flat when the folded edges are at an angle of 0 < beta < 90 to the speed direction.
Figure 15 is a schematic view of a banknote being turned flat when the angle between the facing flanges and the speed direction is 0 < beta < 90 deg.
Figure 16 is a schematic representation of the banknote before being turned flat when the folded edges are at an angle β =90 ° to the direction of speed.
Figure 17 is a schematic view of a banknote laid flat with the fold edges at an angle β =90 ° to the speed direction.
Figure 18 is a schematic representation of the banknote before being turned flat when the folded edges are at an angle of 90 < beta < 180 to the speed direction.
Figure 19 is a schematic view of a banknote being turned flat with the fold edges at an angle of 90 < beta < 180 to the speed direction.
The reference numbers in the figures mean: 1-rotating brush device; 11-a brush arm; 12-rotating the brush; 13-a drive motor; 2-a negative pressure generating device; 3-adsorption centerline; 4, folding edges of the paper money; 5, ventilating conveyer belts; 6-enhancing negative pressure adsorption points; 7, folding the bank notes to be flattened and sorted; 8-flattening the sorted banknotes; 101-a first brush arrangement; 102-second brush means.
Detailed Description
Referring to fig. 2 and 3: the invention relates to a banknote suction brush unfolding and spreading device and a banknote unfolding and arranging method thereof.
On one hand: the utility model provides a bank note suction brush turns over exhibition tiling device, includes ventilative conveyer belt 5 and reinforcing adsorption equipment (can constitute by blade and blade driving motor, also can be for other devices that have and can produce negative pressure adsorption effect), be provided with one row at least reinforcing negative pressure adsorption point 6 along direction of delivery on the ventilative conveyer belt 5, this ventilative conveyer belt 5 inboard is provided with reinforcing adsorption equipment, reinforcing adsorption equipment produces the adsorption affinity who adsorbs the bank note on reinforcing negative pressure adsorption point 6 on ventilative conveyer belt 5 adsorbs central line 3.
The bank note is inhaled brush and is turned over exhibition tiling device still including the rotatory brush device 1 and the negative pressure generating device 2 of assembly in the ventilative 5 outsides, rotatory brush device 1 sets up in groups, and every rotatory brush device 1 of group includes first brush device and second brush device, and every rotatory brush device 1 of group is in ventilative 5 top antisymmetric arranging in pairs in ventilative 5 both sides of adsorbing central line 3, and rotatory brush device 1 mainly comprises the brush arm 11 and the rotary power device (can be the rotatory driving motor 13 of drive brush arm 11) of the rotatory brush 12 of the rotatory brush of rotatory brush 12 and centre gripping on ventilative 5 upper portions of conveyer belt, and the brush direction of rotation of every rotatory brush device 1 of group is the same.
The negative pressure generating device 2 is arranged outside the rotary brush device 1, and the negative pressure generated by the negative pressure generating device 2 penetrates through the rotary brush device 1 to enable the inner side of the rotary brush device 1 to generate suction force opposite to the direction of the suction force of the reinforced suction device.
The negative pressure generating device 2 is a fan, and the suction of the air suction inlet of the fan enables the inner side of the rotary brush device 1 to generate a suction opposite to the suction of the reinforced adsorption device.
The banknote suction brush turning and spreading device is provided with a plurality of groups.
The rotating brush 12 of the rotating brush device 1 is obliquely arranged, and the action end (the end contacted with the bank note) of the rotating brush 12 extends to the air-permeable conveying belt along the oblique rear lower part opposite to the rotating direction, so that the upper part and the lower end of the rotating brush 12 in the rotating direction are arranged at the front and the rear.
The brush arms 11 of the rotary brush device 12 are uniformly arranged around the rotation center according to more than two groups.
On the other hand: a bank note flattening and arranging method adopting the bank note suction brush overturning and spreading device comprises the following steps:
s1: the folded banknotes 7 to be flattened and sorted are distributed on the breathable conveyer belt 5 in a one-to-one correspondence manner with the enhanced negative pressure adsorption points 6 under the action of the adsorption force generated by the enhanced adsorption device, and the folded banknotes 7 to be flattened and sorted, which are not in contact with the enhanced negative pressure adsorption points 6, are separated from the breathable conveyer belt 5 under the action of gravity or other external force.
S2: the folded bills 7 to be flattened and arranged, which are in contact with the enhanced negative pressure adsorption points 6, are continuously conveyed to the subsequent processing procedure by the air-permeable conveying belt 5.
S3: utilize negative pressure generating device 2 adsorbs the top folding part of the fifty percent discount bank note 7 of waiting to open up flat arrangement into upright state, then, through the rotatory brush device 1 that sets up in groups (rotatory brush device 1 that sets up in groups comprises first brush device 101 and second brush device 102) the folding part of the fifty percent discount bank note 7 of waiting to open up flat arrangement of state of standing up turns over the exhibition and paves, and finally, the folding part of the fifty percent discount bank note 7 of waiting to open up flat arrangement after turning over the exhibition and paving is adsorbed, hugs closely on ventilative conveyer belt 5.
After the flattening and finishing steps of the banknote flattening and finishing method, most banknotes with flat banknote surfaces are obtained. Secondly, reprocessing is carried out through the existing mature technology, namely, in the first step, the positive and negative bank note surfaces of the bank note are respectively sprayed by steam, so that the folded corners (the bent parts on the edges around the bank note surfaces) of the bank note are spread by steam ironing; secondly, drying the stretched bank notes subjected to steaming and ironing; and thirdly, performing tension pressing, leveling and shaping on the dried bank notes to obtain flattened and sorted bank notes 8.
Referring to fig. 4-19: for eight (four marked with angle α and four marked with angle β) folded banknotes 7 dispersed on the air-permeable conveyor belt 5, the respective illustrations are folded out before and after the tiling:
referring to fig. 4 and 5: the included angle alpha between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is approximately equal to 0 degree. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is transported to a position where the fold line thereof coincides with the radius through the center of rotation of the second rotary brush device 102, that is, the fold line, it is reliably unfolded and laid flat by the action of the rotary brush of the second rotary brush device 102. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 6 and 7: the included angle alpha between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is more than 0 degree and less than 90 degrees. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is conveyed to the position where the folding line thereof is overlapped with the radius through the rotation center of the first rotating brush device 101, namely the folding line, the folded banknote 7 can be unfolded and laid flat under the action of the brush of the first rotating brush device 101, namely, the folded banknote 7 is unfolded and laid flat before passing through the first rotating brush device 101. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 8 and 9: the angle alpha between the folded edge 4 of the bank note and the speed direction (the adsorption central line 3) is equal to 90 degrees. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is conveyed to the position where the folding line thereof is overlapped with the radius through the rotation center of the first rotating brush device 101, namely the folding line, the folded banknote 7 can be unfolded and laid flat under the action of the brush of the first rotating brush device 101, namely, the folded banknote 7 is unfolded and laid flat before passing through the first rotating brush device 101. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 10 and 11: the included angle alpha between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is larger than 90 degrees and smaller than 180 degrees. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is conveyed to the position where the folding line thereof is overlapped with the radius through the rotation center of the first rotating brush device 101, namely the folding line, the folded banknote 7 can be unfolded and laid flat under the action of the brush of the first rotating brush device 101, namely, the folded banknote 7 is unfolded and laid flat before passing through the first rotating brush device 101. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 12 and 13: the included angle beta between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is approximately equal to 0 degree. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is conveyed to the position where the folding line thereof is overlapped with the radius through the rotation center of the first rotating brush device 101, namely the folding line, the folded banknote 7 can be unfolded and laid flat under the action of the brush of the first rotating brush device 101, namely, the folded banknote 7 is unfolded and laid flat before passing through the first rotating brush device 101. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 14 and 15: the included angle beta between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is more than 0 degree and less than 90 degrees. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is transported to a position where the fold line thereof coincides with the radius through the center of rotation of the second rotary brush device 102, that is, the fold line, it is reliably unfolded and laid flat by the action of the rotary brush of the second rotary brush device 102. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 16 and 17: the included angle beta between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is equal to 90 degrees. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is transported to a position where the fold line thereof coincides with the radius through the center of rotation of the second rotary brush device 102, that is, the fold line, it is reliably unfolded and laid flat by the action of the rotary brush of the second rotary brush device 102. Finally, the folded part of the folded bank note 7 which is folded, spread and laid flat and is to be flattened and arranged is absorbed and clings to the air-permeable conveying belt 5.
Referring to fig. 18 and 19: the included angle beta between the folded edge 4 of the paper money and the speed direction (the adsorption central line 3) is larger than 90 degrees and smaller than 180 degrees. When the folded banknotes 7 are conveyed to the lower part of the rotary brush device 1 on the air-permeable conveying belt 5, the upper folded part of the folded banknotes 7 to be flattened and arranged is absorbed into an upright state under the absorption action of the negative pressure generating device 2; when the folded banknote 7 is transported to a position where the fold line thereof coincides with the radius through the center of rotation of the second rotary brush device 102, that is, the fold line, it is reliably unfolded and laid flat by the action of the rotary brush of the second rotary brush device 102. And finally, the folded part of the folded bank note 7 to be flattened and tidied after being unfolded and laid flat is adsorbed and tightly attached to the air-permeable conveying belt 5.
The above detailed description is merely illustrative of the present invention and is not to be construed as limiting thereof. Although the present invention has been described in detail with reference to the specific embodiments thereof, it will be understood by those skilled in the art that: the above-mentioned specific technical solutions can still be modified, or some technical features thereof can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.
Claims (6)
1. A banknote suction brush turning and spreading device, which comprises a breathable conveying belt and a reinforced adsorption device,
the air-permeable conveyer belt is provided with at least one row of reinforced negative pressure adsorption points along the conveying direction, the inner side of the air-permeable conveyer belt is provided with a reinforced adsorption device, the reinforced adsorption device generates adsorption force for adsorbing bank notes on the reinforced negative pressure adsorption points on the adsorption central line of the air-permeable conveyer belt,
the method is characterized in that:
the bank note suction brush turning and spreading device also comprises a rotary brush device and a negative pressure generating device which are assembled at the outer side of the breathable conveying belt;
the rotary brush devices are arranged in groups, each group of rotary brush devices comprises a first brush device and a second brush device, each group of rotary brush devices is arranged on the two sides of the adsorption central line of the breathable conveying belt in a pair in a antisymmetric manner above the breathable conveying belt, each rotary brush device mainly comprises a rotary brush which is rotatably arranged on the upper part of the breathable conveying belt, a brush arm for clamping the rotary brush and a rotary power device, and the rotating directions of the brushes of each group of rotary brush devices are the same;
the negative pressure generating device is arranged on the outer side of the rotary brush device, and the negative pressure generated by the negative pressure generating device penetrates through the rotary brush device to enable the inner side of the rotary brush device to generate suction force in the direction opposite to the direction of the suction force of the enhanced suction device.
2. The banknote suction brush turning and tiling device of claim 1, wherein: the negative pressure generating device is a fan.
3. The banknote suction brush turning and tiling device of claim 1, wherein: the banknote suction brush turning and spreading device is provided with a plurality of groups in pairs in antisymmetric mode according to the suction center line.
4. The banknote suction brush turning and tiling device of claim 1, wherein: the rotating brushes of the rotating brush device are obliquely arranged, and the action ends of the rotating brushes extend to the breathable conveying belt along the oblique rear lower part with the opposite rotating direction, so that the upper parts of the rotating brushes in the rotating direction are arranged in the front and the lower ends of the rotating brushes in the rear.
5. The banknote suction brush turning and tiling device of claim 1, wherein: the brush arms of the rotary brush device are uniformly distributed around the rotating center according to more than two groups.
6. A banknote flattening and arranging method using the banknote suction brush unfolding and spreading device of claim 1, which is characterized in that: the flattening and sorting method of the bank note comprises the following steps:
s1: under the action of the adsorption force generated by the enhanced adsorption device, the banknotes to be flattened and sorted are distributed on the breathable conveying belt in a one-to-one correspondence manner with the enhanced negative pressure adsorption points, and the folded banknotes to be flattened and sorted, which are not in contact with the enhanced negative pressure adsorption points, are separated from the breathable conveying belt under the action of gravity or other external forces;
s2: the bank notes to be flattened and sorted which are contacted with the enhanced negative pressure adsorption points are continuously conveyed to a subsequent processing procedure by the breathable conveying belt;
s3: utilize negative pressure generating device will wait to open up the flat top folding part of arranging the bank note and adsorb into upright state, then through set up in groups rotatory brush device will stand up the folding part of the flat bank note of arranging of waiting to open up of state and spread out and lay flat, finally, the folding part of the flat bank note of arranging of waiting to open up after spreading out and laying flat is adsorbed, hugs closely on ventilative conveyer belt.
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CN201810106609.5A CN108460901B (en) | 2018-02-02 | 2018-02-02 | Banknote suction brush overturning and spreading device and banknote flattening and arranging method thereof |
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JP3983973B2 (en) * | 2000-11-29 | 2007-09-26 | 株式会社東芝 | Paper sheet discharge and accumulation device |
JP2007091436A (en) * | 2005-09-30 | 2007-04-12 | Hitachi Omron Terminal Solutions Corp | Automatic teller machine with bill deposit and withdrawal device |
JP5408078B2 (en) * | 2010-08-31 | 2014-02-05 | 沖電気工業株式会社 | Media separation and accumulation mechanism |
CN105654613B (en) * | 2016-01-12 | 2018-09-25 | 广东工业大学 | Bank note automatic collating unit |
CN105752717B (en) * | 2016-04-12 | 2017-09-05 | 武汉商学院 | Bank note unwinder |
CN105894660B (en) * | 2016-04-22 | 2017-09-29 | 武汉理工大学 | Bank note unwinder based on negative-pressure adsorption principle |
CN105858285B (en) * | 2016-06-08 | 2017-06-30 | 三江学院 | A kind of bank note paves collating unit |
CN206039696U (en) * | 2016-07-04 | 2017-03-22 | 武汉科技大学 | Paper -back edition is put in paper currency exhibition based on negative pressure differential motion |
CN206480076U (en) * | 2017-01-26 | 2017-09-08 | 长安大学 | Fold bank note flattening device |
CN206579885U (en) * | 2017-01-26 | 2017-10-24 | 长安大学 | Bank note flattening machine |
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