CN104484938A - Valuable document magnetic information detection device and method for tuning magnetic head gap - Google Patents
Valuable document magnetic information detection device and method for tuning magnetic head gap Download PDFInfo
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- CN104484938A CN104484938A CN201510011763.0A CN201510011763A CN104484938A CN 104484938 A CN104484938 A CN 104484938A CN 201510011763 A CN201510011763 A CN 201510011763A CN 104484938 A CN104484938 A CN 104484938A
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- magnetic head
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- pinch roller
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Abstract
The invention relates to a valuable document magnetic information detection device used in financial equipment and used for detecting magnetic information of media like paper money. The valuable document magnetic information detection device comprises a first side plate, a second side plate, a magnetic head pinch roller, a magnetic head assembly and a passage plate, wherein the first side plate and the second side plate are oppositely arranged, the magnetic head pinch roller is arranged between the first side plate and the second side plate through a pinch roller rotating shaft, a gap is formed by the magnetic head pinch roller and the magnetic head assembly and allows a valuable document to pass, and the passage plate directly faces the magnetic head pinch roller and achieves conveying and guiding functions on the valuable document. The magnetic head assembly comprises a magnetic head and a magnetic head seat, the magnetic head seat is installed between the first side plate and the second side plate through an adjustment rotating shaft, the two ends of the adjustment rotating shaft are each provided with an eccentric wheel, a magnetic head base is provided with a long groove parallel to the passage plate, the adjustment rotating shaft is freely arranged in the long groove, and the passage plate limits displacement of the magnetic head in the direction parallel to the passing direction of the valuable document. The valuable document magnetic information detection device facilitates gap detection through a dial indicator, and therefore equipment tuning is facilitated.
Description
Technical field
The present invention relates to valuable document identification technology, particularly relating to the value document magnetic information pick-up unit of the magnetic information for detecting such as paper money medium and the inspection adjusting process of head gap that use in a kind of finance device.
Background technology
In order to test one by one to each value document of batch processing in financial self-service equipment, stacking value document is needed to separate a sheet by a sheet, then image recognition is carried out to individual value document be separated, Thickness sensitivity, the means of identification such as magnetic information detection, to ensure the authenticity of handled bank note, wherein in whole processing procedure, the exposure level detecting magnetic head and value document when detecting for magnetic information has comparatively is strict with, namely between magnetic head and pinch roller, the stability in gap directly affects the stability and reliability that equipment detects value document magnetic information.
The current main building block of value document magnetic information pick-up unit as shown in Figure 6, its magnetic head adjustment structure adopts: magnetic head 2 is relatively fixing, installed by left eccentric wheel 3, right eccentric wheel 5 with the pinch roller 4 that soft rubber makes, and regulate the upper-lower position of pinch roller 4 by left eccentric wheel 3, right eccentric wheel 5, to reach the object in the gap 6 (gap of pinch roller and head surface) regulating magnetic head passage.This gap 6 is that requirement ensures that bank note is in the detection effective coverage of magnetic head, and also will ensure that bank note does not block, standard value is 0.2 ± 0.05mm.
Above-mentioned value document magnetic information pick-up unit has as follows:
Problem 1: after having assembled, magnetic head path clearance will detect on special optical instrument, although degree of accuracy is high, need displacement lift to move operation (optical instrument requires special environment), adjusting focal length etc., efficiency is lower;
Problem 2: particle matter can not find early.Because eccentric wheel range of adjustment is limited, once headplate failure welding or magnetic head contraposition are assembled bad in front operation, magnetic gap cannot be adjusted to OK range by eccentric wheel, now can only to do over again replacing magnetic head, to cause unnecessary waste in man-hour: dismounting magnetic head pinch roller and gear train thereof again simultaneously.
Summary of the invention
The present invention is in order to solve magnetic head path clearance adjustment inconvenience in prior art, the technical matters that assembling is complicated, a kind of value document magnetic signal detection device facilitating head gap to adjust and detect is provided, a kind of method adjusting head gap in this value document magnetic signal detection device is also provided in addition.
This value document magnetic information pick-up unit, it comprises:
One erecting frame, for supporting and installing as lower component, it comprises two the first side plates and the second side plate that are oppositely arranged;
One magnetic head pinch roller, is arranged between this first side plate and second side plate by a pinch roller rotating shaft;
One head stack, just to being arranged near this magnetic head pinch roller, is being formed with magnetic head pinch roller the gap that value document passes through;
One channel plate, with magnetic head pinch roller just to setting, forms the conveying guide effect to value document;
Wherein, this head stack comprises the magnetic head obtaining magnetic information and the magnetic head seat installing this magnetic head, this magnetic head seat is installed between this first side plate and second side plate by regulating rotating shaft, these adjustment rotating shaft two ends arrange an eccentric wheel respectively, this eccentric rotation drives this adjustment rotating shaft to form eccentric rotary, this magnetic head base is provided with the elongated slot that is parallel to channel plate, and this adjustment rotating shaft is freely placed in this elongated slot, and this channel plate limits the displacement by direction along level in value document of this magnetic head.
Preferably, this channel plate is provided with installs the slot of this magnetic head, and this magnetic head is formed with through this slot and this magnetic head pinch roller the gap that value document passes through.
Preferably, this eccentric wheel has rotation release handle.
The method of this head gap provided by the present invention, it comprises the steps:
Step 1, is arranged on dial gage base with on main shaft like magnetic head pinch roller rotating shaft, and is arranged between the first side plate and the second side plate together;
Step 2, will be installed on dial gage base to the numerical value clock gauge after zero verification;
Step 3, by eccentric wheel adjustment magnetic head seat, makes the distance between magnetic head and clock gauge check point be 0, can think that magnetic head regulates and complete, otherwise think that magnetic head is defective in quality.
Preferably, step 3 is specially: by eccentric wheel adjustment magnetic head seat, the distance between magnetic head and clock gauge check point is made to be 0, then by dial gage base in the enterprising line slip of main shaft, carry out at least two Point location detections, when all Point location detection values are qualified 0, can think that magnetic head regulates and complete, otherwise think that magnetic head is defective in quality.
Preferably, verifying zero of described clock gauge specifically comprises the steps:
Step 01, is fixed on optical projector by value document magnetic information pick-up unit, is regulated by eccentric wheel to head gap, after the gap width detected is prescribed level, and fixed eccentric;
Step 02, pulls down magnetic head pinch roller, loads onto the main shaft that dial gage base is housed, and loads onto clock gauge;
Step 03, makes zero the reading of clock gauge, complete clock gauge to zero verification.
Compared with prior art, value document magnetic information pick-up unit provided by the invention has the following advantages:
Regulate the adjustment of magnetic head base realization to gap between magnetic head and magnetic head pinch roller by eccentric wheel, be convenient to carry out gap detection by clock gauge, make equipment adjustment convenient, and the linkage editor of equipment also greatly simplifies.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the value document magnetic information pick-up unit of this programme.
Fig. 2-1 is the lateral sectional view of the magnetic information of value document shown in Fig. 1 pick-up unit.
Fig. 2-2 is magnetic head seat and side schematic view regulating rotating shaft to coordinate in Fig. 1 value document magnetic information pick-up unit.
Fig. 3-1 is the schematic diagram that in the magnetic information of value document shown in Fig. 1 pick-up unit, magnetic head height regulates downwards.
Fig. 3-2 is schematic diagrams that in the magnetic information of value document shown in Fig. 1 pick-up unit, magnetic head height upwards regulates.
Fig. 4 is the stereographic map of magnetic head calibration procedures in the magnetic information of value document shown in Fig. 1 pick-up unit.
Fig. 5 is the lateral sectional view of the calibration procedures of magnetic head shown in Fig. 4.
Fig. 6 is the front schematic view of existing value document magnetic information pick-up unit.
Embodiment
For setting forth provided by the present invention pair of winding Paper money temporary storage device further, the diagram below in conjunction with a preferred embodiment of the present invention is further described in detail it.
Consult shown in Fig. 1, this value document magnetic information pick-up unit comprises: one for supporting and install the erecting frame as lower component, and this erecting frame comprises two the first side plate 10 and the second side plates 11 be oppositely arranged; One magnetic head pinch roller 2, is arranged between this first side plate 10 and second side plate 11 by a pinch roller rotating shaft 21; One just to the head stack 3 be arranged near this magnetic head pinch roller 2, is formed with magnetic head pinch roller 2 gap that value document passes through; And one and magnetic head pinch roller 2 just to the channel plate 4 arranged, this magnetic head pinch roller 2 and channel plate 4 form the conveying guide effect to value document.Wherein this head stack 3 comprises the magnetic head 31 obtaining magnetic information and the magnetic head seat 32 installing this magnetic head 31, this magnetic head seat 32 is installed between this first side plate 10 and second side plate 11 by regulating rotating shaft 33, these adjustment rotating shaft 33 two ends arrange eccentric wheel 5 and 5 ＇ respectively, the rotation of this eccentric wheel 5 and 5 ＇ drives this adjustment rotating shaft 33 to form eccentric rotary, this eccentric wheel 5 and 5 ＇ has rotation release handle 51 and 51 ＇ respectively, this magnetic head base 32 is provided with the elongated slot 321 that is parallel to channel plate 4, this adjustment rotating shaft 33 is freely placed in this elongated slot 321, this channel plate 4 limits this magnetic head 31 along level in value document by the displacement in direction, concrete, this channel plate 4 is provided with the slot 41 of installing this magnetic head 31, this magnetic head 31 is formed with through this slot 41 and this magnetic head pinch roller 2 gap that value document passes through.
Consult Fig. 2-1 and Fig. 2-2, because magnetic head 31 screw is fixed on magnetic head seat 32, they integrally move.Channel plate 4 is fixed on right plate 10 and left plate 11, and magnetic head 31 to be contained in the slotted eye 41 of channel plate 4 and to be subject to its constraint, can only move up and down along illustrated.And magnetic head seat 32 is freely installed in adjustment rotating shaft 33 by elongated slot 321, because magnetic head seat 32 can regulate relative movement rotating shaft 33 being carried out fore-and-aft direction as shown in the drawing.And regulating the side of rotating shaft 33 to be arranged on the first side plate 10 by eccentric wheel 5, opposite side is arranged on the second side plate 11 by eccentric wheel 5 ＇.When being carried out rotation by eccentric wheel 5 and 5 ＇ and regulating, regulate the shaft core position of rotating shaft 33 to change, magnetic head seat 32 does corresponding rectilinear movement up and down to magnetic head 31 entirety, just realizes the change of magnetic head height.
Consult the easy structure principle that Fig. 3-1 and 3-2 further illustrates head gap adjustment, because magnetic head seat 32 and magnetic head 31 are fixed together, same component can be regarded as, when eccentric wheel 5 swings along direction 52 around center 51, thus change the position regulating rotating shaft 33 center 16, by plane geometry principle, the planar rotational movement of adjustment rotating shaft 33 can be converted into the rectilinear motion 18 and 19 in both direction.But regulate rotating shaft 33 to be subject to the restriction of elongated slot 321, linearly 18 automatically can only move in elongated slot 321, and the displacement of magnetic head seat 32 can not be caused, but the effect of other direction 19, then drive magnetic head seat 32 to carry out displacement, thus the magnetic head seat 32 made and magnetic head 31 assembly linearly 19 slide in the slot 41 of channel plate 4.
In Fig. 3-2, with in like manner upper, when eccentric wheel 5 is with contrary direction 18 ＇ oscillation adjustment, regulate rotating shaft 33 to move along direction 18 ＇, and magnetic head seat 32 and magnetic head 31 assembly are driven and are moved along direction 19 ＇.
The Principles of Regulation of eccentric wheel 5 ＇ and in like manner above-mentioned.
Further illustrate the method for a kind of adjustment head gap provided by the present invention below:
Consult Fig. 4, illustrate the scheme in adjustment magnetic head 31 gap, Fig. 5 is the diagrammatic cross-section of its side direction, and the device in Fig. 4 is that the magnetic information of value document shown in Fig. 1 pick-up unit does not fill on the basis of magnetic head pinch roller 2 above, adds main shaft 60, countershaft 61, dial gage base 62 and digital display dial gauge 63.Digital display dial gauge 63 is fixed on dial gage base 62, dial gage base 62 is fixed on the first side plate 1 and the second side plate 11 by main shaft 60 and countershaft 61, wherein main shaft 60 and magnetic head pinch roller rotating shaft 21 have similar diameter, because main shaft 60 and pinch roller rotating shaft 21 use same mounting hole, therefore ensure that with the magnetic head pinch roller 2 that will install are same benchmark.
Wherein the concrete steps of the method for this head gap are as follows:
Step 1, is arranged on dial gage base 62 on the main shaft 60 similar with magnetic head pinch roller rotating shaft 21, and is arranged between the first side plate 10 and the second side plate 11 together;
Step 2, will be installed on dial gage base 62 to the numerical value clock gauge 63 after zero verification;
Step 3, adjusts magnetic head seat 32 by eccentric wheel 5 and 5 ＇, makes the distance between the check point of magnetic head 31 and clock gauge 63 be 0, can think that magnetic head 31 regulates and complete, otherwise think that magnetic head 31 is defective in quality.
Preferably, step 3 is specially: adjust magnetic head seat 32 by eccentric wheel 5 and 5 ＇, the distance between the check point of magnetic head 31 and clock gauge 63 is made to be 0, then by dial gage base 62 in the enterprising line slip of main shaft 60, carry out at least two Point location detections, when all Point location detection values are qualified 0, can think that magnetic head 31 regulates and complete, otherwise think that magnetic head is defective in quality.
Preferably, verifying zero of described clock gauge 63 specifically comprises the steps:
Step 01, is fixed on optical projector by value document magnetic information pick-up unit, is regulated magnetic head 31 gap by eccentric wheel 5 and 5 ＇, and after the gap width detected is prescribed level, the present embodiment is be just 0.2mm, fixed eccentric 5 and 5 ＇;
Step 02, pulls down magnetic head pinch roller 2, loads onto the main shaft 60 that dial gage base 62 is housed, and loads onto clock gauge 63;
Step 03, makes zero the reading of clock gauge 63, complete clock gauge 63 to zero verification.
It is 0.2mm (because clock gauge 23 has used same reference for installation with magnetic head pinch roller 4) that " 0 " value of clock gauge 63 reading now just represents head gap.Just directly can carry out adjustment inspection with the height of this clock gauge 63 pairs of magnetic heads: if require that gap acceptability limit is 0.2 ± 0.05mm, changing into clock gauge reading is 0 ± 0.05mm later.
Adopting said method just can find the quality problems of magnetic head 31 early, when not regulating within the scope of 0 ± 0.05mm, can judge that the quality of magnetic head 31 has problem, timely replacing magnetic head, completes (magnetic head pinch roller and other gear train assembled) without final assembly and just takes optical projector and test.All to go optical projector carries out adjustment inspection without each machine aborning, only need carry out on-the-spot adjustment with clock gauge, not only increase efficiency, it also avoid and pinpoint the problems and doing over again the used time of causing afterwards.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a value document magnetic information pick-up unit, it comprises:
One erecting frame, for supporting and installing as lower component, it comprises two the first side plates and the second side plate that are oppositely arranged;
One magnetic head pinch roller, is arranged between this first side plate and second side plate by a pinch roller rotating shaft;
One head stack, just to being arranged near this magnetic head pinch roller, is being formed with magnetic head pinch roller the gap that value document passes through;
One channel plate, with magnetic head pinch roller just to setting, forms the conveying guide effect to value document;
It is characterized in that, this head stack comprises the magnetic head obtaining magnetic information and the magnetic head seat installing this magnetic head, this magnetic head seat is installed between this first side plate and second side plate by regulating rotating shaft, these adjustment rotating shaft two ends arrange an eccentric wheel respectively, this eccentric rotation drives this adjustment rotating shaft to form eccentric rotary, this magnetic head base is provided with the elongated slot that is parallel to channel plate, and this adjustment rotating shaft is freely placed in this elongated slot, and this channel plate limits the displacement by direction along level in value document of this magnetic head.
2. value document magnetic information pick-up unit as claimed in claim 1, is characterized in that, this channel plate is provided with the slot of installing this magnetic head, and this magnetic head is formed with through this slot and this magnetic head pinch roller the gap that value document passes through.
3. value document magnetic information pick-up unit as claimed in claim 1, it is characterized in that, this eccentric wheel has rotation release handle.
4. regulate a method for head gap in value document magnetic information pick-up unit as claimed in claim 1, it comprises the steps:
Step 1, is arranged on dial gage base with on main shaft like magnetic head pinch roller rotating shaft, and is arranged between the first side plate and the second side plate together;
Step 2, will be installed on dial gage base to the numerical value clock gauge after zero verification;
Step 3, by eccentric wheel adjustment magnetic head seat, makes the distance between magnetic head and clock gauge check point be 0, can think that magnetic head regulates and complete, otherwise think that magnetic head is defective in quality.
5. the method for the adjustment head gap as described in 4, it is characterized in that, step 3 is specially: by eccentric wheel adjustment magnetic head seat, the distance between magnetic head and clock gauge check point is made to be 0, then by dial gage base in the enterprising line slip of main shaft, carry out at least two Point location detections, when all Point location detection values are qualified 0, can think that magnetic head regulates to complete, otherwise think that magnetic head is defective in quality.
6. the method for the adjustment head gap as described in 4, is characterized in that, specifically comprising the steps: zero verification of described clock gauge
Step 01, is fixed on optical projector by value document magnetic information pick-up unit, is regulated by eccentric wheel to head gap, after the gap width detected is prescribed level, and fixed eccentric;
Step 02, pulls down magnetic head pinch roller, loads onto the main shaft that dial gage base is housed, and loads onto clock gauge;
Step 03, makes zero the reading of clock gauge, complete clock gauge to zero verification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510011763.0A CN104484938B (en) | 2015-01-08 | 2015-01-08 | A kind of method for adjusting head gap in valuable document magnetic information detection means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510011763.0A CN104484938B (en) | 2015-01-08 | 2015-01-08 | A kind of method for adjusting head gap in valuable document magnetic information detection means |
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| CN104484938A true CN104484938A (en) | 2015-04-01 |
| CN104484938B CN104484938B (en) | 2017-10-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106558140A (en) * | 2015-09-29 | 2017-04-05 | 沈阳中钞信达金融设备有限公司 | A kind of self adaptation is exempted to debug magnetic head pressing wheel device |
| CN106815930A (en) * | 2017-03-02 | 2017-06-09 | 浙江万联电器有限公司 | A kind of adjusting means of currency feeding mechanism |
| CN107636739A (en) * | 2017-04-21 | 2018-01-26 | 深圳怡化电脑股份有限公司 | Deposit module, pick-up portion and cash recycling system |
| CN107636734A (en) * | 2017-03-13 | 2018-01-26 | 深圳怡化电脑股份有限公司 | Gap adjusting mechanism, method and paper money identifier |
| CN111047765A (en) * | 2019-12-25 | 2020-04-21 | 恒银金融科技股份有限公司 | Financial equipment paper currency magnetic image inductor clearance adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106558140A (en) * | 2015-09-29 | 2017-04-05 | 沈阳中钞信达金融设备有限公司 | A kind of self adaptation is exempted to debug magnetic head pressing wheel device |
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| CN111047765A (en) * | 2019-12-25 | 2020-04-21 | 恒银金融科技股份有限公司 | Financial equipment paper currency magnetic image inductor clearance adjusting device |
| CN111047765B (en) * | 2019-12-25 | 2023-05-02 | 恒银金融科技股份有限公司 | Financial equipment paper currency magnetism image sensor gap adjustment device |
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