CN209661218U - A kind of article access cabinet - Google Patents

Abstract

The utility model is that a kind of article accesses cabinet, belong to transmitting-receiving cabinet field, for the low problem of existing letter report access cabinet space utilization rate, it is as follows using technical solution: a kind of article access cabinet, including the shell with access port, carrying mechanism and memory block, bank bit is at left and right sides of carrying mechanism, each memory block is surrounded by the two symmetrically arranged supporters of column, and a plurality of carrier strip is from top to bottom sequentially arranged to form the supporter, for the multiple trays as bearing article medium of support；Carrying mechanism includes support platform, and can be along the carrying component that support platform horizontal direction moves, and support platform is used cooperatively with component is carried, and tray is carried between access port and memory block, to access article at access port.In this structure, the tray for storing article is placed on supporter from top to bottom, compared with existing letter reports access cabinet, is occupied little space, and two memory blocks can store article, and space utilization rate is high.

Description

A kind of article access cabinet

Technical field

The utility model belongs to transmitting-receiving cabinet field, in particular to a kind of article accesses cabinet.

Background technique

There are many letter report cabinets in the residential quarter in city, for storing magazine and mail, existing letter report cabinet has multiple deposit Store up bin, the house number at the corresponding family of each bin, front side is delivery port, and postman is by the article for needing to deliver from delivery Mouthful be put into, but with the development of information technology, mail, newspapers and magazines frequency of use gradually decrease, but small part is used Family is still in the newspaper and magazine for receiving mail, subscription using letter report cabinet, although letter report cabinet frequency of use is not high, also not Letter report cabinet can be removed, and the access bin of existing letter report access cabinet is laid in same plane, occupies one in residential quarter Divide space, wastes public area space resources.

Utility model content

For the existing letter report access problem that cabinet frequency of use is low, space utilization rate is low, the utility model provides a kind of object Product access cabinet, have the advantages that space utilization rate is high.

The utility model is as follows using technical solution: a kind of article accesses cabinet, including outer with access port and connector Shell, carrying mechanism and the memory block adjacent with carrying mechanism in shell, the bank bit is in carrying mechanism or so Two sides, each memory block are surrounded by the two symmetrically arranged supporters of column, a plurality of carrier strip be from top to bottom sequentially arranged to be formed it is described Supporter, for the multiple trays as bearing article medium of support；The connecting line of the carrying mechanism can be from the company Interface stretches out, in order to control movement by controller；The carrying mechanism includes support platform moving up and down, and And can be along the carrying component that support platform horizontal direction moves in support platform, the support platform makes with component cooperation is carried With, tray is carried between access port and memory block, so as at access port access article.

It carries component tray is carried in support platform, support platform, which moves up and down, drives tray to correspond to The position of access port, so that tray is carried to from access port from memory block；Tray follows support platform to move up and down It removes from access port, stops at a certain layer that support platform is moved to supporter, carry component and be pushed into set by tray It is left after rack, so that tray is moved to from memory block from access port.Article access cabinet does not set human-computer interaction device, saves Cost, carrying mechanism can be controlled by controller, be made after can assembling with existing express delivery cabinet in order to article access cabinet With；The tray of storage article is placed on supporter from top to bottom, compared with existing letter reports access cabinet, occupied space Small, two memory blocks can store article, and space utilization rate is high.

Further, the tray has ferromagnetic section, and the carrying component includes that can move along support platform horizontal direction Dynamic bracket, the magnetic part of at least two memory blocks towards the left and right sides is flexibly connected on the bracket, and the magnetic part is used In being sucked and driving tray, move tray between support platform and memory block.It is used in the utility model Magnetic part is electromagnet, is generated after energization magnetic；When bracket drives magnetic part mobile and close tray, close to loading support The side of pallet is sucked using magnetic attraction for the magnetic part of disk, drives tray to be moved to support from memory block after bracket is mobile and puts down On platform, support platform is moved up and down so that tray is corresponding with access port position, and in this setting, magnetic part is close to loading support I.e. there are magnetic attractions for disk, using magnetic attraction shift of load pallet, are conducive to simplify structure, and make compact-sized.

Further, the both ends on the bracket are respectively equipped with one group of symmetrical waist-shaped hole, are furnished with one at each waist-shaped hole A screw, the screw pass through waist-shaped hole and are fixedly connected with magnetic part, equipped with elastic component between two magnetic parts, when magnetic part by When to impact force, magnetic part drives screw to move along waist-shaped hole and compression elastic piece, at this time the elastic component resist magnetic part with Offset impact force.When tray is sucked in magnetic part, magnetic force has percussion to the active force of tray, if screw is not It can be moved along waist-shaped hole, impact force can generate instantaneous hard damage to screw, and screw frangibility, service life is had a greatly reduced quality, is arranged Waist-shaped hole can be such that magnetic part is flexibly connected with bracket, avoid instantaneous hard damage, and elastic component can to magnetic part application active force Impact force is offset, the destruction of impact force is largely reduced, is conducive to stable structure.

Further, the support platform is equipped with the toothed belt of horizontal direction arrangement, and the bracket is additionally provided with driving electricity Machine, the output end of the driving motor are connected with the gear being used cooperatively with toothed belt, and driving motor band moving gear is moved along toothed belt It is dynamic, realize that bracket is moved along support platform.Toothed belt is used cooperatively with gear, and bracket sways forwards and backwards amplitude when mobile smaller, is moved It is dynamic very steady, and can be realized the revolving speed of control driving motor to control the shift position of bracket, it is easy to accomplish accurate manipulation.

Further, the bottom of the bracket is equipped with light barrier, and the both ends of the support platform are equipped with detection light and establish by cable It closes, the detection optoelectronic switch is used cooperatively with light barrier, driving motor, when the detection optoelectronic switch is blocked by light barrier When, the detection optoelectronic switch issues stop signal to the driving motor, to prevent bracket from falling from support platform.Detection light Electric switch is used cooperatively with light barrier, driving motor, with the shift position of limit bracket, guarantees that stable structure is reliable.

Further, the limiting photoelectric switch for being located at the inside of detection optoelectronic switch, institute are additionally provided in the support platform It states limit assembly of the limiting photoelectric switch with light barrier and in support platform to be used cooperatively, the limit assembly is for limiting Position tray, so that tray is parked at the same position of support platform, in order to tray and access port position pair It answers.When light barrier covers limiting photoelectric switch, limiting photoelectric switch issues enabling signal, and limit assembly is made to limit tray Mobile, this setting is supported platform convenient for tray when being moved at access port, can be corresponding with access port position, component Between accurate fit, be conducive to quickly access article.

Further, the limit assembly includes the fixation motor driven being arranged in support platform and the connection rotated Axis, and it is set in the retainer at connecting shaft both ends, the fixed motor forward and reverse can rotate, and with setting in support platform Stop optoelectronic switch and the limiting photoelectric switch be used cooperatively, a shading piece, the shading are arranged in the connecting shaft The anti-dazzling screen arranged there are two being set on part at angle, for being used cooperatively with the stop optoelectronic switch, with limit stop Angle of rotation, so that retainer switches between limit tray and the tray state that lifts restrictions.When light barrier covers limit When the optoelectronic switch of position, limiting photoelectric switch issues enabling signal to fixed motor, so that connecting shaft drives retainer to rotate up to One of anti-dazzling screen covers stop optoelectronic switch, and stop optoelectronic switch issues locking signal, fixed motor to fixed motor Stop, retainer is in the state of limit tray at this time；Fixed motor reversal makes connecting shaft drive retainer rotation straight Stop optoelectronic switch is covered to another anti-dazzling screen, stop optoelectronic switch issues locking signal, fixed motor to fixed motor Stop, retainer is in the state for releasing limit tray at this time.

Further, it is set in the support platform there are two the limiting slot being oppositely arranged, is located at the toothed belt Two sides, for limiting former and later two sides of tray, avoidable tray is swayed forwards and backwards.

Further, rotatable baffle is equipped between the supporter and carrying mechanism, the baffle is set in a quilt Rotary electric machine drives and in the rotation axis of rotation, to follow rotation axis to rotate；Tray is handled upside down mechanism and removes from access port When being transported on supporter, rotary electric machine drives rotation axis rotation, so that baffle is resisted tray until carrying mechanism and loading support Disk separation, for stopping tray to be deviate from from supporter.Since tray has ferromagnetic section, after pallet is put down, There is remanent magnetism on ferromagnetic section, tray can be made to follow carrying mechanism mobile, and deviate from from supporter, if at this time above and below carrying mechanism Mobile then can bump against with tray, this causes to damage to tray and support platform, and rotatable baffle, which is arranged, to be made to carry Goods pallet placement location is more acurrate, will not deviate from from supporter, and will not influence handling device and carry tray.

Further, the both ends of the support platform are connected on two tooth-shaped conveying belts, two tooth-shaped conveying belts It is driven and is rotated synchronously by the servo motor that a synchronizing shaft is located at outer casing bottom, to drive support platform to move up and down, institute The rear portion for stating support platform is equipped with locating plate, and the locating plate is used cooperatively with a positioning optoelectronic switch, to determine support platform Initial position.This structure makes two end motion of support platform synchronous, and support platform is in a horizontal position always, avoids inclining Tiltedly, servo motor can make support platform movement steady, and can accurately control the mobile position of support platform, locating plate and positioning light Electric switch is used cooperatively the initial position that can determine support platform, so that support platform shift position and the position of carrier strip one One matching, convenient for being accurately positioned.

The utility model has the advantages that the article access cabinet of the utility model does not set human-computer interaction device, saves Cost, carrying mechanism can be controlled by controller, be made after can assembling with existing express delivery cabinet in order to article access cabinet With；The tray of storage article is placed on supporter from top to bottom, compared with existing letter reports access cabinet, occupied space Small, two memory blocks can store article, and space utilization rate is high.

Detailed description of the invention

Fig. 1 is the overall structure diagram that article accesses cabinet；

Fig. 2 is the schematic diagram of internal structure (removing cabinet door) that article accesses cabinet；

Fig. 3 is the schematic diagram of internal structure (removing part enclosure) that article accesses cabinet；

Fig. 4 is the structural schematic diagram of support platform；

Fig. 5 is the structural schematic diagram of bracket；

In figure: 1- shell；11- access port；12- servo motor；121- synchronizing shaft；13- positions optoelectronic switch；14- cabinet door； 15- connector；2- supporter；21- carrier strip；3- tray；4- support platform；41- toothed belt；42- detects optoelectronic switch； 43- limiting photoelectric switch；44- stop optoelectronic switch；45- limiting slot；46- tooth-shaped conveying belt；461- locating plate；5- bracket；51- Magnetic part；52- waist-shaped hole；53- screw；54- elastic component；55- driving motor；551- gear；56- light barrier；6- limit assembly； 61- fixes motor；62- connecting shaft；63- retainer；64- shading piece；641- anti-dazzling screen；7- baffle；71- rotary electric machine；72- turns Moving axis.

Specific embodiment

Below with reference to the attached drawing of the utility model, the technical solution of the utility model embodiment is explained and illustrated, But following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode, this field Technical staff's obtained other embodiments without making creative work, belong to the protection model of the utility model It encloses.

The article of the present embodiment accesses cabinet, as shown in Figures 1 to 5, including the shell with access port 11 and connector 15 1, carrying mechanism and the memory block adjacent with carrying mechanism in shell 1, the bank bit is in carrying mechanism or so Two sides, each memory block are surrounded by the two symmetrically arranged supporters 2 of column, and a plurality of carrier strip 21 is from top to bottom sequentially arranged to form institute Supporter 2 is stated, for the multiple trays 3 as bearing article medium of support；The connecting line of the carrying mechanism can be from institute The stretching of connector 15 is stated, in order to control movement by controller；The carrying mechanism includes that support moving up and down is flat Platform 4, and in support platform 4 and can along the carrying component that 4 horizontal direction of support platform moves, the support platform 4 with remove Fortune component is used cooperatively, and tray 3 is carried between access port 11 and memory block, to access object at access port 11 Product.

It carries component tray 3 is carried in support platform 4, support platform 4, which moves up and down, drives tray 3 right It should be in the position of access port 11, so that tray 3 is carried to from access port 11 from memory block；Tray 3 follows support flat Platform 4 is moved up and down to be removed from access port 11, is stopped at a certain layer that support platform 4 is moved to supporter 2, and carrying component will Tray 3 is left after being pushed into supporter 2, so that tray 3 is moved to from memory block from access port 11.Article accesses cabinet not If human-computer interaction device, saved cost, carrying mechanism can be controlled by controller, in order to article access cabinet can with it is existing It is used after some express delivery cabinet assemblings；The tray 3 of storage article is placed on from top to bottom on supporter 2, is reported with existing letter Access cabinet is compared, and is occupied little space, and two memory blocks can store article, and space utilization rate is high.

The tray 3 has ferromagnetic section, and the carrying component includes can be along the bracket that 4 horizontal direction of support platform moves 5, the magnetic part 51 of two memory blocks towards the left and right sides is flexibly connected on the bracket 5, the magnetic part 51 is for being sucked And tray 3 is driven, move tray 3 between support platform 4 and memory block.The magnetism used in the utility model Part 51 is electromagnet, is generated after energization magnetic；When bracket 5 drives magnetic part 51 mobile and close tray 3, close to loading The side of pallet is sucked using magnetic attraction for the magnetic part 51 of pallet 3, drives tray 3 mobile from memory block after bracket 5 is mobile To support platform 4, support platform 4 is moved up and down so that tray 3 is corresponding with 11 position of access port, in this setting, magnetic Property part 51 close to tray 3 i.e. there are magnetic attractions, using magnetic attraction shift of load pallet 3, be conducive to simplify structure, and make to tie Structure is compact.

Carrying component can also be hook formation, can be carried by hooking tray 3 and carry tray 3, loading Ferromagnetic section need not be arranged in pallet 3, reduce to the requirement in 3 structure of tray.

Both ends on the bracket 5 are respectively equipped with one group of symmetrical waist-shaped hole 52, are furnished with a spiral shell at each waist-shaped hole 52 Nail 53, the screw 53 pass through waist-shaped hole 52 and are fixedly connected with magnetic part 51, and elastic component 54 is equipped between two magnetic parts 51, when When magnetic part 51 is by impact force, magnetic part 51 drives screw 53 to move simultaneously compression elastic piece 54 along waist-shaped hole 52, described at this time Elastic component 54 resists magnetic part 51 to offset impact force.When tray 3 is sucked in magnetic part 51, magnetic force is to tray 3 Active force has percussion, if screw 53 cannot be moved along waist-shaped hole 52, impact force can generate instantaneous hard damage to screw 53, 53 frangibility of screw, service life are had a greatly reduced quality, and setting waist-shaped hole 52 can be such that magnetic part 51 is flexibly connected with bracket 5, are avoided Instantaneous hard damage, and elastic component 54 can offset impact force to the application active force of magnetic part 51, largely reduced the destruction of impact force Effect, is conducive to stable structure.

The support platform 4 is equipped with the toothed belt 41 of horizontal direction arrangement, and the bracket 5 is additionally provided with driving motor 55, institute The output end for stating driving motor 55 is connected with the gear 551 being used cooperatively with toothed belt 41, and driving motor 55 is with moving gear 551 along tooth Shape band 41 is mobile, realizes that bracket 5 is moved along support platform 4.Toothed belt 41 is used cooperatively with gear 551, front and back when bracket 5 is mobile Shaking amplitude is smaller, and movement is very steady, and can be realized the revolving speed of control driving motor 55 to control the shift position of bracket 5, It is easily achieved accurate manipulation.

The bottom of the bracket 5 is equipped with light barrier 56, and the both ends of the support platform 4 are equipped with detection optoelectronic switch 42, The detection optoelectronic switch 42 is used cooperatively with light barrier 56, driving motor 55, when the detection optoelectronic switch 42 is by light barrier 56 when blocking, and the detection optoelectronic switch 42 issues stop signal to the driving motor 55, to prevent bracket 5 from support platform 4 fall.Detection optoelectronic switch 42 is used cooperatively with light barrier 56, driving motor 55, with the shift position of limit bracket 5, is guaranteed Stable structure is reliable.

The limiting photoelectric switch 43 for being located at the inside of detection optoelectronic switch 42, the limit are additionally provided in the support platform 4 Limit assembly 6 of the position optoelectronic switch 43 with light barrier 56 and in support platform 4 is used cooperatively, and the limit assembly 6 is used In limit tray 3, so that tray 3 is parked at the same position of support platform 4, in order to tray 3 and access 11 positions of mouth are corresponding.When light barrier 56 covers limiting photoelectric switch 43, limiting photoelectric switch 43 issues enabling signal, makes to limit When component 6 limits that tray 3 is mobile, this setting is supported platform 4 convenient for tray 3 is moved at access port 11, energy Enough, component between accurate fits corresponding with 11 position of access port, are conducive to quickly access article.

The limit assembly 6 includes the connecting shaft 62 of the driving of fixation motor 61 being arranged in support platform 4 and rotation, And it is set in the retainer 63 at 62 both ends of connecting shaft, the fixed motor 61 forward and reverse can rotate, and flat in support with setting Stop optoelectronic switch 44 and the limiting photoelectric switch 43 on platform 4 are used cooperatively, and are arranged shading piece in the connecting shaft 62 64, it sets on the shading piece 64 there are two the anti-dazzling screen 641 arranged at angle, for making with the stop optoelectronic switch 44 cooperation With with the angle of rotation of limit stop 63, so that retainer 63 is in limit tray 3 and 3 state of tray that lifts restrictions Between switch.When light barrier 56 covers limiting photoelectric switch 43,43 pairs of limiting photoelectric switch fixed motors 61 issue starting letter Number, stop optoelectronic switch 44 is covered so that connecting shaft 62 drives retainer 63 to rotate up to one of anti-dazzling screen 641, stop 44 pairs of optoelectronic switch fixed motors 61 issue locking signal, and fixed 61 stop of motor, retainer 63 is in limit loading support at this time The state of disk 3；Fixed motor 61 inverts so that connecting shaft 62 drives retainer 63 to rotate up to another anti-dazzling screen 641 for stop Optoelectronic switch 44 covers, and 44 pairs of stop optoelectronic switch fixed motors 61 issue locking signal, fixed 61 stop of motor, at this time stop Part 63 is in the state for releasing limit tray 3.

It is set in the support platform 4 there are two the limiting slot 45 being oppositely arranged, is located at the two sides of the toothed belt 41, For limiting former and later two sides of tray 3, it can avoid tray 3 and sway forwards and backwards.

Rotatable baffle 7 is equipped between the supporter 2 and carrying mechanism, the baffle 7, which is set in, is rotated motor 71 driving and rotate rotation axis 72 on, with follow rotation axis 72 rotate；Tray 3 is handled upside down mechanism and removes from access port 11 When being transported on supporter 2, rotary electric machine 71 drive rotation axis 72 rotate, make baffle 7 resist tray 3 until carrying mechanism with Tray 3 separates, for stopping tray 3 to be deviate from from supporter 2.Since tray 3 has ferromagnetic section, magnetic part After 51 put down pallet, there is remanent magnetism on ferromagnetic section, tray 3 can be made to follow carrying mechanism mobile, and it is de- from supporter 2 Out, can bump against at this time with abjection tray 3 if carrying mechanism moves up and down, this makes tray 3 and support platform 4 At damage, rotatable baffle 7, which is arranged, keeps 3 placement location of tray more acurrate, will not deviate from from supporter 2, and will not It influences handling device and carries tray 3.

The both ends of the support platform 4 are connected on two tooth-shaped conveying belts 46, and two tooth-shaped conveying belts 46 pass through The servo motor 12 that synchronizing shaft 121 is located at 1 bottom of shell drives and rotates synchronously, to drive support platform 4 to move up and down, institute The rear portion for stating support platform 4 is equipped with locating plate 461, and the locating plate 461 is used cooperatively with positioning optoelectronic switch 13, to determine branch Support the initial position of platform 4.This structure makes 4 liang of end motions of support platform synchronous, and support platform 4 is in horizontal position always It sets, avoids tilting, servo motor 12 can be such that support platform 4 moves steadily, and can accurately control the mobile position of support platform 4, Locating plate 461 and positioning optoelectronic switch 13 are used cooperatively the initial position that can determine support platform 4, so that support platform 4 is moved Dynamic position matches one by one with the position of carrier strip 21, convenient for being accurately positioned.

The electric control lock that the front side of the shell 1 is additionally provided with cabinet door 14 and is used cooperatively with cabinet door 14, when electric control lock is opened It opens, the cabinet door 14 can be opened from front side, in order to realize batch storage article.

When the mobile distance of support platform 4 is the multiple of 21 spacing of carrier strip, quick despatch can be placed in tray 3, It is advantageously implemented article access cabinet multi-function action.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, one skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment above Described in content.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claim In enclosing.

Claims (10)

1. a kind of article accesses cabinet, including the shell with access port and connector, carrying mechanism in shell and with The adjacent memory block of carrying mechanism, which is characterized in that the bank bit is at left and right sides of carrying mechanism, and each memory block is by two It arranges symmetrically arranged supporter to surround, a plurality of carrier strip is from top to bottom sequentially arranged to form the supporter, multiple for support Tray as bearing article medium；The connecting line of the carrying mechanism can be stretched out from the connector, in order to pass through Controller moves to control；The carrying mechanism includes support platform moving up and down, and be located at support platform on and can The carrying component moved along support platform horizontal direction, the support platform are used cooperatively with component is carried, tray are being deposited It takes and is carried between mouth and memory block, to access article at access port.

2. article according to claim 1 accesses cabinet, which is characterized in that the tray has ferromagnetic section, described to remove Transporting component includes that at least two can be flexibly connected on the bracket that support platform horizontal direction moves, the bracket towards the left and right sides Memory block magnetic part, the magnetic part makes tray in support platform and storage for being sucked and drive tray It is moved between area.

3. article according to claim 2 accesses cabinet, which is characterized in that the both ends on the bracket are respectively equipped with one group pair The waist-shaped hole of title is furnished with a screw at each waist-shaped hole, and the screw passes through waist-shaped hole and is fixedly connected with magnetic part, two magnetic Property part between be equipped with elastic component, when magnetic part is by impact force, magnetic part drives screw to move and the elasticity of compression along waist-shaped hole Part, the elastic component resist magnetic part to offset impact force.

4. article according to claim 2 accesses cabinet, which is characterized in that the support platform is equipped with horizontal direction arrangement Toothed belt, the bracket are additionally provided with a driving motor, and the output end of the driving motor is connected with the tooth being used cooperatively with toothed belt Wheel, driving motor band moving gear are moved along toothed belt, realize that bracket is moved along support platform.

5. article according to claim 4 accesses cabinet, which is characterized in that the bottom of the bracket is equipped with light barrier, described The both ends of support platform are equipped with detection optoelectronic switch, and the detection optoelectronic switch is used cooperatively with light barrier, driving motor, when When the detection optoelectronic switch is blocked by light barrier, the detection optoelectronic switch issues stop signal to the driving motor, with Prevent bracket from falling from support platform.

6. article according to claim 5 accesses cabinet, which is characterized in that be additionally provided in the support platform positioned at detection light The limiting photoelectric switch of the inside of electric switch, the limiting photoelectric switch and light barrier and the limit group in support platform Part is used cooperatively, and the limit assembly is for limiting tray, so that tray is parked at the same position of support platform, In order to which tray is corresponding with access port position.

7. article according to claim 6 accesses cabinet, which is characterized in that the limit assembly includes being arranged on support to put down Fixation motor driven on platform and the connecting shaft rotated, and it is set in the retainer at connecting shaft both ends, the fixed motor can Forward and reverse rotation, and be used cooperatively with the stop optoelectronic switch and the limiting photoelectric switch being arranged in support platform, institute It states and is arranged a shading piece in connecting shaft, set on the shading piece there are two the anti-dazzling screen arranged at angle, be used for and the stop Optoelectronic switch is used cooperatively, with the angle of rotation of limit stop, so that retainer is in limit tray and the loading that lifts restrictions Switch between pallet state.

8. article according to claim 4 accesses cabinet, which is characterized in that be oppositely arranged there are two being set in the support platform Limiting slot, the two sides of the toothed belt are located at, for limiting former and later two sides of tray.

9. article according to claim 2 accesses cabinet, which is characterized in that being equipped between the supporter and carrying mechanism can The baffle of rotation, the baffle be set in one be rotated motor driven and in the rotation axis that rotates, to follow rotation axis to rotate；It carries Goods pallet is handled upside down mechanism when being carried on supporter from access port, and rotary electric machine drives rotation axis rotation, resists baffle Tray is until carrying mechanism is separated with tray, for stopping tray to be deviate from from supporter.

10. article according to claim 1 accesses cabinet, which is characterized in that the both ends of the support platform are connected to On two tooth-shaped conveying belts, two tooth-shaped conveying belts are synchronized by the servo motor driving that a synchronizing shaft is located at outer casing bottom Rotation, to drive support platform to move up and down, the rear portion of the support platform is equipped with locating plate, the locating plate and a positioning light Electric switch is used cooperatively, to determine the initial position of support platform.