A kind of banknote thickness detection module and ATM banknote tester
[technical field]
The present invention relates to ATM, particularly relate to a kind of banknote thickness detection module and ATM banknote tester.
[background technology]
The currency examination portion of ATM needs to detect the thickness of bank note during currency examination.Patent No.
The Chinese utility model patent of 201020186009 discloses the paper money thickness testing apparatus of a kind of currency counting and detecting machine,
It includes left and right fixed support, and the Thickness sensitivity axle, the assembly that are connected between left and right fixed support connect
Connect frame, be provided with in the upper and lower part of assembly link some to infrared ray displacement transducer one to one respectively
Assembly and upper pressure wheel assembly;Described infrared ray displacement sensor component can detect the upper pressure wheel group of its correspondence
The displacement of part vertical ascent;All of upper pressure wheel assembly is erecting with this Thickness sensitivity axle when normal reset state
Nogata is the most tangent.The shortcoming of this paper money thickness testing apparatus is structure complexity, paper money thickness testing apparatus
Other parts are assembled together with Thickness sensitivity axle, assembling, install, the aspect such as storage have many not
Just, and at the links of product increase workload and cost.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of simple in construction, the detection of easy-to-mount banknote thickness
Module.
The present invention another to solve the technical problem that be to provide a kind of banknote thickness detection module simple in construction,
Easy-to-mount ATM banknote tester.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is, a kind of banknote thickness detection mould
Block, including mounting bracket, a plurality of upper pressure wheel assembly and the displacement transducer identical with upper pressure wheel component count
Assembly, described upper pressure wheel assembly includes elastic support and roller, and roller is arranged on elastic by roller shaft
The cantilever end of frame;Described mounting bracket includes the top board of bar shaped, and a plurality of upper pressure wheel assemblies are along bar shaped top board
Long axis direction be fixed on bar shaped top board by the fixing end of elastic support, a plurality of displacement sensor components
Long axis direction along bar shaped top board is arranged on the top board of mounting bracket, the sensor pair of displacement sensor component
The cantilever end to elastic support.
Above-described banknote thickness detection module, described elastic support is sheet metal component, hanging of elastic support
Arm end is reverse U shape, including top board and two blocks of side plates;The side plate of cantilever end includes roller axis hole, roller shaft
Spindle nose be fixed in roller axis hole;The fixing end of elastic support is connected with the top board of cantilever end by connecting plate.
Above-described banknote thickness detection module, described roller includes a plurality of ball bearing, ball axle
The inner ring held is fixed on the middle part of roller shaft;The inner side of cantilever end side plate includes that convex, described convex prop up
The inner ring of neighbouring ball bearing.
Above-described banknote thickness detection module, upper pressure wheel assembly includes dedusting block and dedusting block support;Remove
The upper end of dirt block support is fixed on the top board of elastic support cantilever end, and dedusting block is fixed on dedusting block support
Lower end, the lower end of dedusting block props up the outer rim of roller.
Above-described banknote thickness detection module, the lower end of cantilever end side plate front portion includes guiding bank note to enter
Chamfering;The spindle nose of roller shaft includes that the homalocephalus of anti-rotation, the shape of roller axis hole are fitted with the spindle nose of roller shaft
Join.
Above-described banknote thickness detection module, the circuit board of displacement sensor component is fixed on bar shaped top board
Bottom surface, the sensor of displacement sensor component is facing to the end face of elastic support top board, elastic support top board
The datum level that end face is displacement detecting.
Above-described banknote thickness detection module, mounting bracket includes the pressing plate of bar shaped, and strip plate includes
The screw hole identical with upper pressure wheel component count and double the alignment pin of upper pressure wheel component count;Elastic support
Fixing end include screw hole and two dowel holes, bar shaped top board include prolate groove, prolate groove include with
The screwed hole that upper pressure wheel component count is identical, upper pressure wheel assembly fix screw through strip plate screw hole and
The screw hole of elastic support, screws in the screwed hole of bar shaped top board;The alignment pin of strip plate passes elastic support
Dowel hole, insert bar shaped top board prolate groove.
Above-described banknote thickness detection module, including the circuit board of Thickness sensitivity circuit, displacement transducer
The circuit board of assembly circuit board with Thickness sensitivity circuit respectively electrically connects;The end face of bar shaped top board includes installing
The groove of circuit board, the circuit board of Thickness sensitivity circuit is fixed in the groove of bar shaped top board;Thickness sensitivity electricity
The circuit board on road includes signal output interface.
Above-described banknote thickness detection module, mounting bracket includes that installing plate, installing plate are sheet metal components,
Including left and right two blocks of side plates and connecting plate, the rear end of left and right two blocks of side plates is respectively with the two ends of connecting plate even
Connecing, left and right two blocks of side plates and connecting plate are fixed with bar shaped top board by screw respectively;Left and right two blocks of side plates
Include two screwed holes that banknote thickness detection module installs and two alignment pins respectively.
A kind of ATM banknote tester, including body, upper module and above-mentioned banknote thickness detection module, institute
The body stated includes housing and Thickness sensitivity axle, and the two ends of Thickness sensitivity axle are supported by housing, and banknote thickness is examined
The mounting bracket surveying module is fixed by screws on the housing of upper module;Banknote thickness detection module upper pressure wheel
The roller of assembly is pressed on Thickness sensitivity axle.
The upper pressure wheel assembly of banknote thickness detection module of the present invention uses elastic piece structure, and simple in construction, size are relatively
Little;The mounting bracket of banknote thickness detection module is fixed by screws on the housing of upper module, it is simple to bank note
Thickness sensitivity module separates with body, individually debugs and stores.
[accompanying drawing explanation]
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the front view of embodiment of the present invention ATM banknote tester.
Fig. 2 is that the A in Fig. 1 is to sectional view.
Fig. 3 is the exploded view of embodiment of the present invention banknote thickness detection module.
Fig. 4 is the left view of embodiment of the present invention banknote thickness detection module.
Fig. 5 is the stereogram of embodiment of the present invention banknote thickness detection module upper pressure wheel assembly.
Fig. 6 is the stereogram of embodiment of the present invention upper pressure wheel assembly.
Fig. 7 is the stereogram of embodiment of the present invention elastic support.
Fig. 8 is the installation that ATM banknote tester embodiment of the present invention overlooks the banknote thickness detection module in direction
Position view.
Fig. 9 is the installation of the banknote thickness detection module in ATM banknote tester embodiment left view direction of the present invention
Position view.
[detailed description of the invention]
The structure of ATM banknote tester embodiment of the present invention as shown in Figures 1 to 9, including body 1, upper mold
Block 2 and banknote thickness detection module.
Body 1 includes housing 101 and Thickness sensitivity axle 102, the two ends of Thickness sensitivity axle 102 by housing about
Bearing supporting on two blocks of side plates 103.Upper module 2 is arranged on the top of body 1.
Banknote thickness detection module includes mounting bracket, 10 upper pressure wheel assemblies and 10 displacement sensor components
4。
Upper pressure wheel assembly includes that elastic support 5, roller 6, dedusting block 8 and dedusting block support 9, roller 6 lead to
Cross roller shaft 7 and be arranged on the cantilever end of elastic support 5.
The elastic support 5 of upper pressure wheel assembly is sheet metal component, and the cantilever end of elastic support 5 is reverse U shape, bag
Include top board 501 and two blocks of side plates 502.The side plate 502 of cantilever end includes roller axis hole 503.
The fixing end 506 of elastic support 5 is connected with the top board 501 of cantilever end by the connecting plate 507 of L-shaped.
The connecting plate 507 of L-shaped can reduce the length of elastic support 5.
The spindle nose of roller shaft 7 is fixed in roller axis hole 503.The spindle nose of roller shaft 7 has an anti-rotation
Homalocephalus, the shape of roller axis hole 503 is adaptive with the spindle nose of roller shaft 7, prevents roller shaft 7 from rotating.
Roller 6 is made up of 3 ball bearings 601, and the inner ring of ball bearing 601 is fixed on roller shaft 7
Middle part.The inner side of side plate 502 has convex 504, convex 504 to prop up the inner ring of neighbouring ball bearing 601, anti-
Only roller 6 axial float.
The upper end of dedusting block support 9 is fixed on the inner side of the top board 501 of elastic support 5 cantilever end by spot welding,
Rubber dedusting block 8 is fixed on the lower end of dedusting block support 9, and the lower end of dedusting block 8 props up the outer rim of roller 6,
Strike off the bur in roller outer rim.
There is a chamfering 505 guiding bank note to enter the lower end of cantilever end side plate 502 front portion, and guides bank note 100
Entrance.
Mounting bracket includes the top board 3 of bar shaped, the pressing plate 9 of bar shaped and installing plate 10.
10 upper pressure wheel assemblies are solid by the fixing end 506 of elastic support 5 along the long axis direction of bar shaped top board 3
It is scheduled on the bottom surface of bar shaped top board 3.
Having 10 screw holes 901 on strip plate 9, the end face of strip plate 9 has 20 alignment pins 902.
The fixing end 506 of elastic support 5 has a screw hole 506a and two dowel hole 506b, bar shaped top board 3
Bottom surface be cascaded surface, the depressed part of bar shaped top board 3 ladder bottom surface has a prolate groove 301, prolate groove 301
In have 10 screwed holes 302, the fixing screw of upper pressure wheel assembly 11 is through the screw hole 901 of strip plate 9
With the screw hole 506a of elastic support 5, screw in the screwed hole 302 of bar shaped top board 3, by solid for elastic support 5
It is scheduled on the lower section of top board 3.The alignment pin 902 of strip plate 9 passes the dowel hole 506b of elastic support 5,
Insert the prolate groove 301 of bar shaped top board 3, prevent elastic support 5 crooked.
10 displacement sensor components 4 are arranged on the top board 3 of mounting bracket along the long axis direction of bar shaped top board 3
Bottom surface on.The circuit board 401 of displacement sensor component 4 is fixed by screws in the bottom surface of bar shaped top board 3
On, the sensor 402 of displacement sensor component 4 faces toward the end face to elastic support 5 cantilever end top board 501,
The datum level that end face is displacement detecting of elastic support 5 top board 501.
The end face of bar shaped top board 3 has the groove 303 of mounting circuit boards, and the circuit board 11 of Thickness sensitivity circuit leads to
Cross in the groove that screw is fixed on bar shaped top board 3.Signal output is had to connect on the circuit board 11 of Thickness sensitivity circuit
Mouth 1101.The circuit board 401 of displacement sensor component 4 circuit board 11 with Thickness sensitivity circuit respectively is electrically connected
Connect, send detection signal.
Installing plate 10 is sheet metal component, and including left and right two blocks of side plates 1002 and connecting plate 1001, connecting plate is
L-shaped has one piece of inside reinforcement limit 1005.The rear end of left and right two blocks of side plates 1002 respectively with connecting plate 1001
Two ends connect, left and right two blocks of side plates 1002 and connecting plate 1001 are respectively by screw 12 and bar shaped top board
3 fix.Two screwed holes 1003 that left and right two blocks of side plates 1002 have banknote thickness detection module to install respectively
With two alignment pins 1004.
The installing plate 10 of banknote thickness detection module mounting bracket is fixed on upper module 2 housing by screw 13
Sidewall 201 on, sidewall 201 has dowel hole 201a, for banknote thickness detection module install location.
After banknote thickness detection module is installed, the roller 6 of banknote thickness detection module upper pressure wheel assembly is pressed in thickness
On degree detection axle 102.
The upper pressure wheel assembly of banknote thickness detection module of the present invention uses elastic piece structure, and simple in construction, size are relatively
Little, detection module can accommodate 10 upper pressure wheel assemblies, improves the accuracy of detection of bank note.Banknote thickness is examined
Survey module mounting bracket be fixed by screws on the housing of upper module, it is simple to banknote thickness detection module with
The body of ATM banknote tester separates, and independently carries out keeping in repair, debug and storing.