A kind of banknote thickness detection module and ATM banknote tester
[technical field]
The present invention relates to ATM, relate in particular to a kind of banknote thickness detection module and ATM banknote tester.
[background technology]
The currency examine section of ATM needs the thickness of bank note is detected in the currency examine process.The Chinese utility model patent that the patent No. is 201020186009 discloses a kind of paper money thickness testing apparatus of currency counting and detecting machine, it includes left and right fixed support, be connected to thickness between left and right fixed support and detect axle, assembly link, be provided with respectively some to infrared ray displacement sensor component and upper pressure wheel assembly one to one in the upper and lower part of assembly link; Described infrared ray displacement sensor component can detect the displacement of its corresponding upper pressure wheel assembly vertical uplift; All upper pressure wheel assemblies are tangent with this thickness detection axle in the vertical direction when normal reset mode.The shortcoming of this paper money thickness testing apparatus is that other parts and the thickness detection axle of complex structure, paper money thickness testing apparatus is assembled together, at aspects such as assembling, installation, storages, inconvenience is arranged, and increase workload and cost at the links of product.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of banknote thickness detection module simple in structure, easy-to-mount.
Another technical matters that will solve of the present invention is to provide a kind of banknote thickness detection module ATM banknote tester simple in structure, easy-to-mount.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of banknote thickness detection module, comprise mounting bracket, a plurality of upper pressure wheel assembly and the displacement sensor component identical with the upper pressure wheel component count, described upper pressure wheel assembly comprises elastic support and roller, and roller is arranged on the cantilever end of elastic support by roller shaft; Described mounting bracket comprises the top board of bar shaped, along the long axis direction of bar shaped top board, the stiff end by elastic support is fixed on the bar shaped top board a plurality of upper pressure wheel assemblies, a plurality of displacement sensor components are arranged on the top board of mounting bracket along the long axis direction of bar shaped top board, and the sensor of displacement sensor component is facing to the cantilever end to elastic support.
Above-described banknote thickness detection module, described elastic support is sheet metal component, the cantilever end of elastic support is reverse U shape, comprises top board and two blocks of side plates; The side plate of cantilever end comprises the roller axis hole, and the spindle nose of roller shaft is fixed in the roller axis hole; The stiff end of elastic support is connected with the top board of cantilever end by web joint.
Above-described banknote thickness detection module, described roller comprises a plurality of ball bearing, the inner ring of ball bearing is fixed on the middle part of roller shaft; The inboard of cantilever end side plate comprises convex, and described convex props up the inner ring of contiguous ball bearing.
Above-described banknote thickness detection module, the upper pressure wheel assembly comprises dedusting piece and dedusting piece support; The upper end of dedusting piece support is fixed on the top board of elastic support cantilever end, and the dedusting piece is fixed on the lower end of dedusting piece support, and the lower end of dedusting piece props up the outer rim of roller.
Above-described banknote thickness detection module, the lower end of cantilever end side plate front portion comprises the chamfering that guiding bank note enters; The spindle nose of roller shaft comprises the homalocephalus of anti-rotation, the spindle nose adaptation of the shape of roller axis hole and roller shaft.
Above-described banknote thickness detection module, the circuit board of displacement sensor component is fixed on the bottom surface of bar shaped top board, and the sensor of displacement sensor component is facing to the end face to the elastic support top board, the reference field that the end face of elastic support top board is displacement detecting.
Above-described banknote thickness detection module, mounting bracket comprises the pressing plate of bar shaped, strip plate comprises the screw hole identical with the upper pressure wheel component count and doubles the register pin of upper pressure wheel component count; The stiff end of elastic support comprises screw hole and two dowel holes, the bar shaped top board comprises the prolate groove, the prolate groove comprises the threaded hole identical with the upper pressure wheel component count, upper pressure wheel assembly gib screw, through the screw hole of strip plate and the screw hole of elastic support, screws in the threaded hole of bar shaped top board; The register pin of strip plate, through the dowel hole of elastic support, inserts the prolate groove of bar shaped top board.
Above-described banknote thickness detection module, comprise the circuit board of thickness testing circuit, and the circuit board of displacement sensor component is electrically connected to the circuit board of thickness testing circuit respectively; The end face of bar shaped top board comprises the groove of mounting circuit boards, and the circuit board of thickness testing circuit is fixed in the groove of bar shaped top board; The circuit board of thickness testing circuit comprises signal output interface.
Above-described banknote thickness detection module, mounting bracket comprises installing plate, installing plate is sheet metal component, comprise left and right two blocks of side plates and web joint, the rear end of left and right two blocks of side plates is connected with the two ends of web joint respectively, and left and right two blocks of side plates and web joint are fixed by screw and bar shaped top board respectively; Left and right two blocks of side plates comprise respectively two threaded holes and two register pins of banknote thickness detection module installation use.
A kind of ATM banknote tester, comprise body, upper module and above-mentioned banknote thickness detection module, described body comprises that housing and thickness detect axle, and thickness detects the two ends of axle and supported by housing, and the mounting bracket of banknote thickness detection module is fixed by screws on the housing of upper module; The roller of banknote thickness detection module upper pressure wheel assembly is pressed in thickness and detects on axle.
The upper pressure wheel assembly of banknote thickness detection module of the present invention adopts elastic piece structure, simple in structure, size is less; The mounting bracket of banknote thickness detection module is fixed by screws on the housing of upper module, is convenient to the banknote thickness detection module and separates with body, is debugged separately and stores.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the front view of embodiment of the present invention ATM banknote tester.
Fig. 2 is that A in Fig. 1 is to cut-open 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 stereographic map of embodiment of the present invention banknote thickness detection module upper pressure wheel assembly.
Fig. 6 is the stereographic map of embodiment of the present invention upper pressure wheel assembly.
Fig. 7 is the stereographic map of embodiment of the present invention elastic support.
Fig. 8 is the installation site schematic diagram that ATM banknote tester embodiment of the present invention overlooks the banknote thickness detection module of direction.
Fig. 9 is the installation site schematic diagram of the banknote thickness detection module of the left apparent direction of ATM banknote tester embodiment of the present invention.
[embodiment]
The structure of ATM banknote tester embodiment of the present invention as shown in Figures 1 to 9, comprises body 1, upper module 2 and banknote thickness detection module.
Body 1 comprises that housing 101 and thickness detect axle 102, and thickness detects the two ends of axle 102 by the bearing supporting on the side plate 103 of two blocks of left and right of housing.Upper module 2 is arranged on the top of body 1.
The banknote thickness detection module comprises mounting bracket, 10 upper pressure wheel assemblies and 10 displacement sensor components 4.
The upper pressure wheel assembly comprises elastic support 5, roller 6, dedusting piece 8 and dedusting piece support 9, and roller 6 is arranged on the cantilever end of elastic support 5 by roller shaft 7.
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, comprises top board 501 and two blocks of side plates 502.The side plate 502 of cantilever end comprises roller axis hole 503.
The stiff end 506 of elastic support 5 is connected with the top board 501 of cantilever end by L shaped web joint 507.L shaped web joint 507 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 the homalocephalus of an anti-rotation, and the spindle nose adaptation of the shape of roller axis hole 503 and roller shaft 7 prevents that roller shaft 7 from rotating.
Roller 6 is comprised of 3 ball bearing 601, and the inner ring of ball bearing 601 is fixed on the middle part of roller shaft 7.There is convex 504 inboard of side plate 502, and convex 504 props up the inner ring of contiguous ball bearing 601, prevents roller 6 axial floats.
The upper end of dedusting piece support 9 is fixed on the inboard of the top board 501 of elastic support 5 cantilever ends by spot welding, rubber dedusting piece 8 is fixed on the lower end of dedusting piece support 9, and the lower end of dedusting piece 8 props up the outer rim of roller 6, strikes off the bur on the roller outer rim.
The chamfering 505 that the lower end of cantilever end side plate 502 front portions has a guiding bank note to enter, guide entering of bank note 100.
Mounting bracket comprises the top board 3 of bar shaped, pressing plate 9 and the installing plate 10 of bar shaped.
The stiff end 506 by elastic support 5 is fixed on the bottom surface of bar shaped top board 3 along the long axis direction of bar shaped top board 3 for 10 upper pressure wheel assemblies.
10 screw holes 901 are arranged on strip plate 9, and the end face of strip plate 9 has 20 register pins 902.The stiff end 506 of elastic support 5 has a screw hole 506a and two dowel hole 506b, the bottom surface of bar shaped top board 3 is cascaded surface, the depressed part of bar shaped top board 3 ladder bottom surfaces has a prolate groove 301,10 threaded holes 302 are arranged in prolate groove 301, the gib screw 11 of upper pressure wheel assembly is through the screw hole 901 of strip plate 9 and the screw hole 506a of elastic support 5, screw in the threaded hole 302 of bar shaped top board 3, elastic support 5 is fixed on to the below of top board 3.The register pin 902 of strip plate 9, through the dowel hole 506b of elastic support 5, inserts the prolate groove 301 of bar shaped top board 3, prevents that elastic support 5 is crooked.
10 displacement sensor components 4 are arranged on along the long axis direction of bar shaped top board 3 on the bottom surface of top board 3 of mounting bracket.The circuit board 401 of displacement sensor component 4 is fixed by screws on the bottom surface of bar shaped top board 3, the sensor 402 of displacement sensor component 4 is facing to the end face to elastic support 5 cantilever end top boards 501, the reference field that the end face of elastic support 5 top boards 501 is displacement detecting.
The end face of bar shaped top board 3 has the groove 303 of mounting circuit boards, and the circuit board 11 of thickness testing circuit is fixed by screws in the groove of bar shaped top board 3.On the circuit board 11 of thickness testing circuit, signal output interface 1101 is arranged.The circuit board 401 of displacement sensor component 4 is electrically connected to the circuit board 11 of thickness testing circuit respectively, sends detection signal.
Installing plate 10 is sheet metal components, comprises left and right two blocks of side plates 1002 and web joint 1001, and web joint is the L shaped inside stiffened edge 1005 that has.The rear end of left and right two blocks of side plates 1002 is connected with the two ends of web joint 1001 respectively, and left and right two blocks of side plates 1002 and web joint 1001 are fixing with bar shaped top board 3 by screw 12 respectively.Left and right two blocks of side plates 1002 have respectively the banknote thickness detection module that two threaded holes 1003 and two register pins 1004 of use are installed.
The installing plate 10 of banknote thickness detection module mounting bracket is fixed on the sidewall 201 of upper module 2 housings by screw 13, and dowel hole 201a is arranged on sidewall 201, for the banknote thickness detection module, location is installed.
After the banknote thickness detection module is installed, the roller 6 of banknote thickness detection module upper pressure wheel assembly is pressed in thickness and detects on axle 102.
The upper pressure wheel assembly of banknote thickness detection module of the present invention adopts elastic piece structure, simple in structure, size is less, and detection module can hold 10 upper pressure wheel assemblies, has improved the accuracy of detection of bank note.The mounting bracket of banknote thickness detection module is fixed by screws on the housing of upper module, is convenient to the banknote thickness detection module and separates with the body of ATM banknote tester, is independently keeped in repair, debugs and store.