CN205785055U - The test dressing plate of banknote thickness detection module in ATM - Google Patents

Abstract

This utility model provides the test dressing plate of banknote thickness detection module in a kind of ATM.This test dressing plate includes: main platform body framework, clamping mechanism, drive mechanism, lead screw guide rails module, lifting work portion and Computerized analysis system；Clamping mechanism is used for installing banknote thickness detection module in ATM；The power intake of the power transmission shaft of lead screw guide rails module and the clutch end drive connection of drive mechanism；Lifting work portion is connected to move along the axis direction of power transmission shaft with the clutch end of lead screw guide rails module, and during test correction banknote thickness detection module, the lifting platform flat board in lifting work portion offsets with the roller of banknote thickness detection module；Electrically connect between Computerized analysis system and the eddy current sensor matched with roller.This test dressing plate solve in prior art due to each group of thickness roller, there is various fine difference between sheet metal and eddy current sensor and have impact on detection banknote thickness conforming problem.

Description

The test dressing plate of banknote thickness detection module in ATM

Technical field

This utility model relates to the test fixture technical field of ATM, in particular it relates to paper in a kind of ATM The test dressing plate of coin Thickness sensitivity module.

Background technology

Banknote thickness detection technique is the paper money recognition mould being widely used in ATM (ATM) industry One of basic paper money recognition technology of block.Banknote thickness detection module is responsible for detecting banknote thickness, it is desirable to paper Coin thickness module accurate can accurately detect the thickness of bank note.In ATM produced each journey, need equity Banknote thickness detection module to be assembled is tested and is corrected, it is ensured that its elaboration.

In the module for recognizing paper money of ATM, be responsible for being accurately detected banknote thickness is Thickness sensitivity module. The principle of common banknote thickness detection module is: bank note is when by module for recognizing paper money, by bank note Many groups thickness roller of respective channel is pressed on bank note, the sheet metal being fixed on thickness roller and roller one Rising by one banknote thickness of jack-up, eddy current sensor with matching, monitoring gathers the displacement of sheet metal Change, is then converted into digital signal by displacement and processes.

Thicknesses of metal sheet displacement variable caused by the change of banknote thickness is right with the eddy current sensor signal of telecommunication Should be related to, be called thickness property curve.Produce the banknote thickness detection module produced on line in factory, whether it It is capable of detecting when satisfactory thickness property curve, is to differentiate the standard that Thickness sensitivity module is the most qualified. Owing to there is various fine difference between each group of thickness roller, sheet metal and thickness transducer eddy current coil, Thus the concordance of impact detection banknote thickness.

Utility model content

The purpose of this utility model is that the test correction providing banknote thickness detection module in a kind of ATM is flat Platform, it is intended to solve in prior art due to each group of thickness roller, exist between sheet metal and eddy current sensor each Plant fine difference and have impact on the conforming problem of detection banknote thickness.

For solving above-mentioned technical problem, the technical solution of the utility model is: provide bank note in a kind of ATM thick The test dressing plate of degree detection module, including: main platform body framework；Clamping mechanism, clamping mechanism is installed In the upper end of main platform body framework, clamping mechanism is used for installing banknote thickness detection module in ATM；Driving machine Structure, drive mechanism is arranged on the lower end of main platform body framework；Lead screw guide rails module, lead screw guide rails module connects On main platform body framework, the power intake of the power transmission shaft of lead screw guide rails module is defeated with the power of drive mechanism Go out to hold drive connection；Lifting work portion, lifting work portion be connected with the clutch end of lead screw guide rails module with Move along the axis direction of power transmission shaft, during test correction banknote thickness detection module, lift work The roller of the lifting platform flat board and banknote thickness detection module of making portion offsets；Computerized analysis system, calculates Machine is analyzed and is electrically connected between system and the eddy current sensor matched with roller.

Alternatively, test dressing plate also includes: module installing plate, module installing plate is connected to main platform body On framework, main platform body framework is provided with tacking post, and on module installing plate, corresponding tacking post has installation Through hole, tacking post through install through hole, module installing plate between clamping mechanism and drive mechanism, silk Thick stick guide rail module is arranged on module installing plate.

Alternatively, test dressing plate also includes: regulation support, and regulation support is fixedly connected on main platform body On framework；Set screw, set screw is threaded on regulation support, controls module by set screw Installing plate rotates clockwise or rotates counterclockwise lifting platform flat board is carried out leveling around tacking post.

Alternatively, lead screw guide rails module includes: ball-screw, guide rail, ball nut set and module flange Structure, module flange arrangement is connected on module installing plate, and guide rail is arranged on module flange arrangement, ball Leading screw and the clutch end drive connection of drive mechanism, ball nut set is enclosed within ball-screw and by guide rail Carrying out guiding movement, the lifting work portion axis direction with ball nut set connection and along ball-screw is Tong Bu to be moved Dynamic.

Alternatively, lead screw guide rails module also includes bearing assembly, and bearing assembly is arranged on module flange arrangement, The bearing holder (housing, cover) of bearing assembly is on ball-screw.

Alternatively, test dressing plate also includes: two limit switch sensor, two limit switch sensings Device is spaced setting along the axis direction of ball-screw；Switch block, switch block is connected also with ball nut set Overlapping synchronizing moving with ball nut, switch block is between two limit switch sensor；Two spacing opens Close sensor and switch block for limiting the moving range of ball nut set.

Alternatively, test dressing plate also includes: U-shaped sensor, U-shaped sensor is fixedly mounted on module On installing plate；U-shaped sensor bezel, U-shaped sensor bezel be connected to ball nut put and with ball spiral shell Mother set synchronizing moving；U-shaped sensor and U-shaped sensor bezel are for determining the zero point position of lifting platform flat board Put.

Alternatively, test dressing plate also includes controlling device, drive mechanism, two limit switch sensor And U-shaped sensor all with control device and electrically connect, control device is according to limit switch sensor, U-shaped biography The signal that sensor sends controls the running status of drive mechanism.

Alternatively, clamping mechanism includes: two thickness module fixed blocks and quick clip, and two thickness modules are solid Determining block to arrange relative to the axisymmetrical of ball-screw, each thickness module fixed block is provided with a quick clip, Banknote thickness detection module in ATM is clamped on thickness module fixed block by quick clip.

Alternatively, test dressing plate also includes protection cap before platform, and before platform, protection cap is connected to module peace On dress plate, lifting platform flat board is arranged on before platform outside protection cap.

In this utility model, by utilizing clamping mechanism that banknote thickness detection module clamping in ATM is stable Afterwards, then drive mechanism drives lead screw guide rails module move and drive the lifting platform platform in lifting work portion Move up and down, thus simulate bank note change of the thickness in banknote thickness detection module in ATM, and pass through The thickness situation of change of simulation is analyzed by Computerized analysis system, and obtains thickness property curve, according to Require to contrast, in the highest then ATM of matching degree between predetermined curve and this thickness property curve of quality The accuracy of detection of banknote thickness detection module is the highest.Apply this test dressing plate, ATM can entered Accuracy of detection to banknote thickness detection module therein before row general assembly, solves in prior art due to each group There is various fine difference between thickness roller, sheet metal and eddy current sensor and have impact on detection banknote thickness Conforming problem, thus improve the prescription of ATM general assembly product, improve yields.

Accompanying drawing explanation

Fig. 1 is the embodiment of the test dressing plate of banknote thickness detection module in ATM of the present utility model Stereoscopic structural representation；

Fig. 2 is the embodiment of the test dressing plate of banknote thickness detection module in ATM of the present utility model Remove the internal structure schematic diagram of protection cap before platform；

Fig. 3 is the embodiment of the test dressing plate of banknote thickness detection module in ATM of the present utility model Inside composition structure schematic diagram；

Fig. 4 is the embodiment of the test dressing plate of banknote thickness detection module in ATM of the present utility model The internal structure schematic diagram taking off platform bonnet；

Fig. 5 is the embodiment of the test dressing plate of banknote thickness detection module in ATM of the present utility model The schematic diagram that lifting platform flat board is carried out leveling；

Fig. 6 is the structure for amplifying schematic diagram in Fig. 5 at A.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically Embodiment, only in order to explain this utility model, is not used to limit this utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, and it can With directly on another element or be connected on this another element.When an element is referred to as " connecting In " another element, it can be directly to another element or be indirectly connected to this another yuan On part.

Also, it should be noted the orientation term such as left and right, upper and lower in the present embodiment, it it is only phase each other To concept or with the normal operating condition of product as reference, and should not be regarded as restrictive.

As it is shown in figure 1, be the outside drawing of ATM banknote thickness detection module test platform, its surface structure master Main platform body framework 110 to be had, two, left and right thickness module fixed block 120 and two quick clip 130 (thickness Module fixed block 120 and quick clip 130 form clamping mechanism), lifting platform flat board 140, protect before platform Protecting cover 150, glass window mouth 160, test contactor 170, platform floor 180, platform callosity 190, The part composition such as platform main switch 200, platform bonnet 210.

Two the thickness module fixed blocks 120 in left and right and two quick clips 130 are for fixing test object thickness inspection Survey parts；The lifting of lifting platform flat board 140, for simulating the change of banknote thickness, and lifting platform Flat board 140 is positioned at before platform outside protection cap 150, the mistake of banknote thickness detection module in test correction ATM Cheng Zhong, lifting platform flat board 140 offsets with the roller 201 of banknote thickness detection module, thus is simulated (i.e. the height that roller 201 is raised is the height that roller 201 is raised by bank note by lifting platform flat board 140 The height of bank note)；Before platform, protection cap 150 and glass window mouth 160 are for protecting electric unit above Part, and observe inner case；The power supply of Thickness sensitivity module testing platform has platform main switch 200 He respectively Independent test contactor 170, opens platform main switch and keeps path during work, just can control servo electricity Machine, need to open test contactor 170, need under switching after test completes Thickness sensitivity module during test During one Thickness sensitivity module, it is necessary to handover module again after first test contactor 170 cutting out.The most not Need to close platform main switch 200, in order to avoid affecting the test position fix of platform.

ATM banknote thickness detection module estimates platform, take off before platform after protection cap 150 as in figure 2 it is shown, Platform front face mainly has lifting platform flat board 140, flat board connecting plate 220, lifting gripper shoe 230, U-shaped Sensor bezel 250, U-shaped sensor 260 and sensor stand 240, module installing plate 270, screw mandrel are led Rail module 320 (comprising the integral type modules such as ball screw, guide rail, bearing, ball nut set), shaft coupling 310, drive mechanism (drive mechanism of the present embodiment uses servomotor 290 to provide power), leveling support 280, left side is provided with upper and lower two limit switch sensor 330 and switch block 340.

Screw mandrel guide rail module 320 is to contain ball screw 321, guide rail 322, ball nut set 323, axle The integral type module of bearing assembly 324 and module flange assembly 325, as shown in Figure 3.Ball screw 321, Guide rail 322 and bearing assembly 324 are mounted on module flange assembly 325, and ball nut set 323 is The structure of integral type, ball nut set 323 is enclosed within ball screw 321 and along the channeling direction of guide rail 322 Mobile.

As it is shown on figure 3, lifting platform flat board 140 is pacified by flat board connecting plate 220 and lifting gripper shoe 230 It is contained on ball nut set 323.Servomotor 290 is connected with ball screw 321 by shaft coupling 310.

During work, servomotor 290 drives ball screw 321 to rotate by shaft coupling 310, ball screw The positive and negative ball nut set 323 that rotates through of 321 is converted into lifting platform flat board 140 and ramps or decline Motion.

The limit switch sensor 330 in left side is fixed on module installing plate 270, and switch block 340 is installed On ball nut set 323, two limit switches are for limiting lifting platform flat board 140 one on the other Raising and lowering range of activity.Right side is provided with a U-shaped sensor 260 and is also integrally fixed at module installing plate On 270, U-shaped sensor bezel 250 is arranged on ball nut set 323, when ball nut set 323 drive When U-shaped sensor bezel 250 just moves to gear to U-shaped sensor 260, as reference zero, now, Switch block 340 is between two limit switch sensor 330.

ATM banknote thickness detection module estimates platform, takes off after platform bonnet 210 as shown in Figure 4, platform Rear cabinet above be two test circuit boards, i.e. thickness data collection plate 350 and thickness connecting plate 360, adopt The thickness data collected is sent to the analysing terminal of Computerized analysis system and is analyzed that (i.e. thickness data is adopted Collection plate 350 and thickness connecting plate 360 are one of ingredients of Computerized analysis system)；Right side from lower to Lower is to control device 370 (i.e. programmable controller PLC), big power supply 380, motor servo driver respectively 390, adapter 400.

Thickness sensitivity module is arranged on two the thickness module fixed blocks 120 in left and right, with two quick clips 130 Clamp two ends around, remain stationary, as shown in Figures 2 and 3.

Screw mandrel guide rail module 320 (comprising the integral type modules such as ball screw, guide rail, ball nut set) is this The drive mechanism of the test dressing plate of utility model；Lifting platform flat board 140 is by flat board connecting plate 220 It is fixed on the ball nut set 323 of screw mandrel guide rail module 320 with lifting gripper shoe 230.

Servomotor 290, by shaft coupling 310 connection wire rod guide rail module 320, provides power for platform, System controls the motion of lifting platform flat board by controlling the rotation of servomotor.

Controlling device 370 (i.e. programmable controller PLC) is the controller in test dressing plate, passes through Control servomotor 290 amount of spin, make lifting platform flat board 140 accurately rise or fall.

Before starting test job, first use currency examination thickness static test tool, need first to carry out once Leveling, guarantees that the position of lifting platform flat board 140 keeps and ten groups of thickness sensing bullets in Thickness sensitivity module Chip module keeping parallelism, as shown in Figure 5.

Flat board connecting plate 220, lifting gripper shoe 230, U-shaped sensor bezel 250, U-shaped sensor 260 And sensor stand 240, screw mandrel guide rail module 320 (comprise ball screw, guide rail, ball nut set etc. Body formula module), shaft coupling 310, all parts such as servomotor 290 be all arranged on one piece of module installing plate On 270, the left upper of module installing plate 270 has hole, a location, is enclosed within main platform body framework 110 Tacking post 271 on.Having two leveling serews on leveling support 280, one pushes away one draws and works in coordination, and twists Tight or unscrew two leveling serews, can make all parts being arranged on module installing plate 270 can be fixed around this Position riveting post 271 rotates.The set screw of the present embodiment includes drawing screw 281 and lower limb screw 282, draws screw 281 is to be locked on the screwed hole of module installing plate 270 through leveling support 280 via, and can only further module Installing plate 270；Pushing away screw 282 is that the screwed hole being locked on leveling support 280 withstands on module installing plate 270 On, only module installing plate 270 is pushed up outward.

Leveling step:

The most first Thickness sensitivity module is fixed on two fixed blocks in left and right, fixes with Quick-clamped；

2. hand rotation shaft coupling or point operation control lifting platform flat board 140 rise to and Thickness sensitivity module ten Group roller 201 is mutually close, observation platform lifting board 140 whether with ten groups of rollers 201 of Thickness sensitivity module Bottom is parallel to each other.If existed between lifting platform flat board 140 and ten groups of rollers 201 of Thickness sensitivity module Slanted gap, illustrates not parallel (as shown in Figure 5)；

The most first unscrew four fixed screws 272 (unscrewing, do not take off) of module installing plate 270；

4. between observation platform lifting board 140 and ten groups of rollers 201 of Thickness sensitivity module, there is slanted gap:

(1) if gap is tilted to the left, shown in Fig. 5 and Fig. 6, the most first unscrew and draw screw 281, then Tighten and push away screw 282, make module installing plate 270 around tacking post 271 fine-adjustment rotary clockwise to platform liter Fall ten groups of rollers 201 of flat board 140 and Thickness sensitivity module are parallel；

(2) if gap is tilted to the right, angle of inclination size as shown in Figure 5 is θ, in conjunction with Fig. 5 and Tu Shown in 6, the most first unscrew and push away screw 282, then twist strainating screw 281, make module installing plate 270 around tacking Post 271 is counterclockwise, and fine-adjustment rotary is parallel to ten groups of rollers 201 of lifting platform flat board 140 and Thickness sensitivity module, As shown in Figure 4.

5. between confirmation ten groups of rollers 201 of lifting platform flat board 140 and Thickness sensitivity module, parallel nothing tilts After gap, finally four fixed screws 272 on locking module installing plate 270.

In sum, test dressing plate of the present utility model is ten groups of thickness for detecting Thickness sensitivity module Shell fragment component characteristic, controls the rotation of servomotor by programmable controller PLC, makes lifting platform put down Plate 140 rises or falls accurate translation, simulates the process of banknote thickness change.Ten groups of thickness transducers exist The change in electric curve that the process that lifting platform flat board 140 rises produces is called thickness property curve, calculates Machine analyzes system to roller 201, sheet metal in banknote thickness detection module in ATM and the eddy current matched The signal of telecommunication that sensor produces is analyzed and produces corresponding thickness property curve, according to thickness property curve Meet predetermined curve, judge that the thickness transducer of Thickness sensitivity module is the most qualified.

It addition, by comparing the thickness property curve recording ten groups of thickness transducers, it appeared that ten groups of thickness The signal of telecommunication thickness property curve produced between sensor, is individually present some small differences.Can be by being System parameters revision, makes the thickness property curve of ten groups of thickness transducers reach ratio more consistent, improves bank note thick The accuracy of degree detection.

These are only preferred embodiment of the present utility model, not in order to limit this utility model, all Any amendment, equivalent and the improvement etc. made within spirit of the present utility model and principle, all should comprise Within protection domain of the present utility model.

Claims (10)

1. the test dressing plate of banknote thickness detection module in an ATM, it is characterised in that including:

Main platform body framework (110)；

Clamping mechanism, described clamping mechanism is arranged on the upper end of described main platform body framework (110), described dress Clamp mechanism is used for installing banknote thickness detection module in ATM；

Drive mechanism, described drive mechanism is arranged on the lower end of described main platform body framework (110)；

Lead screw guide rails module (320), described lead screw guide rails module (320) is connected to described main platform body frame On frame (110), the power intake of the power transmission shaft of described lead screw guide rails module (320) and described driving machine The clutch end drive connection of structure；

Lifting work portion, described lifting work portion connects with the clutch end of described lead screw guide rails module (320) Connect to move along the axis direction of described power transmission shaft, during test correction banknote thickness detection module, The lifting platform flat board (140) in described lifting work portion and the roller (201) of described banknote thickness detection module Offset；

Computerized analysis system, described Computerized analysis system and the eddy current matched with described roller (201) Electrically connect between sensor.

Test dressing plate the most as claimed in claim 1, it is characterised in that described test dressing plate is also Including: module installing plate (270), described module installing plate (270) is connected to described main platform body framework (110) on, described main platform body framework (110) is provided with tacking post (271), and described module is installed The upper corresponding described tacking post (271) of plate (270) has installation through hole, and described tacking post (271) is worn Cross described installation through hole, described module installing plate (270) be positioned at described clamping mechanism and described drive mechanism it Between, described lead screw guide rails module (320) is arranged on described module installing plate (270).

Test dressing plate the most as claimed in claim 2, it is characterised in that described test dressing plate is also Including:

Regulation support (280), described regulation support (280) is fixedly connected on described main platform body framework (110) On；

Set screw, described set screw is threaded on described regulation support (280), by regulation spiral shell Silk controls described module installing plate (270) and rotates clockwise around described tacking post (271) or turn counterclockwise It is dynamic so that described lifting platform flat board (140) is carried out leveling.

Test dressing plate the most as claimed in claim 2, it is characterised in that described lead screw guide rails module (320) including: ball-screw (321), guide rail (322), ball nut set (323) and module Flange arrangement (325), described module flange arrangement (325) is connected on described module installing plate (270), Described guide rail (322) is arranged on described module flange arrangement (325), described ball-screw (321) with The clutch end drive connection of described drive mechanism, described ball nut set (323) is enclosed within described ball wire Thick stick (321) is upper and is carried out guiding movement, described lifting work portion and described ball by described guide rail (322) Nut sleeve (323) connection the axis direction synchronizing moving along described ball-screw (321).

Test dressing plate the most as claimed in claim 4, it is characterised in that described lead screw guide rails module (320) also include that bearing assembly (324), described bearing assembly (324) are arranged on described module flange knot On structure (325), the bearing holder (housing, cover) of described bearing assembly (324) is on described ball-screw (321).

Test dressing plate the most as claimed in claim 4, it is characterised in that described test dressing plate is also Including:

Two limit switch sensor (330), two described limit switch sensor (330) are along described ball The axis direction interval of leading screw (321) is arranged；

Switch block (340), described switch block (340) is connected also with described ball nut set (323) With described ball nut set (323) synchronizing moving, described switch block (340) be positioned at two described spacing Between switch sensor (330)；

Two described limit switch sensor (330) and described switch block (340) are used for limiting described rolling The moving range of Lunella coronata mother set (323).

Test dressing plate the most as claimed in claim 6, it is characterised in that described test dressing plate is also Including:

U-shaped sensor (260), described U-shaped sensor (260) is fixedly mounted on described module installing plate (270) on；

U-shaped sensor bezel (250), described U-shaped sensor bezel (250) is connected to described ball spiral shell Mother set (323) upper and with described ball nut set (323) synchronizing moving；

Described U-shaped sensor (260) and described U-shaped sensor bezel (250) are used for determining described platform The dead-center position of lifting board (140).

Test dressing plate the most as claimed in claim 7, it is characterised in that described test dressing plate is also Including controlling device, described drive mechanism, two described limit switch sensor (330) and described U Type sensor (260) all electrically connects with described control device, and described control device passes according to described limit switch The signal that sensor (330), described U-shaped sensor (260) send controls the operation shape of described drive mechanism State.

Test dressing plate the most as claimed in claim 4, it is characterised in that described clamping mechanism includes: Two thickness module fixed block (120) and quick clip (130), two described thickness module fixed block (120) Arrange relative to the axisymmetrical of described ball-screw (321), each described thickness module fixed block (120) Being provided with a described quick clip (130), described quick clip (130) is by banknote thickness detection mould in ATM Block is clamped on described thickness module fixed block (120).

10. the test dressing plate as according to any one of claim 2 to 9, it is characterised in that described Test dressing plate also includes protection cap (150) before platform, and before described platform, protection cap (150) is connected to institute Stating on module installing plate (270), described lifting platform flat board (140) is arranged on protection cap before described platform (150) outward.