CN2285503Y - Disc loading device with turning disc - Google Patents

Abstract

The utility model relates to a disc loading device with a turning disc. A holding tray of the utility model is movably connected with a basal seat, and the turning disc is rotationally connected with the holding tray and is driven by a turning disc rotating driving mechanism. A combined type driving mechanism on the basal seat not only can drive an in-out box of the holding tray, but also can drive an elevating mechanism on the basal seat. The device can be used for a VCD machine, a CD machine and other situations which use optical pickup, the CD information reading with an optical head of the device can continuously progress during the CD changed time, and the reading quality of the information is better. In particularly, for the VCD machine, video can be displayed during the VCD changed time, and the picture steadiness is better.

Description

The disk loading device of band rotating disk

The utility model relates to the disk loading device of rotating disc type DVD multidisc sheet, can be used as from CD and reads the equipment of information such as the dish loading component of VCD machine, CD player etc.

Existing rotating disc type DVD multidisc sheet disk loading device, the critical piece of its dish load maintainer have pedestal, pallet, rotating disk, pallet turnover gear train, rotating disk rotating actuator, the swing type elevating mechanism and the elevating drive mechanism of shaven head can be installed; Pallet and pedestal are slidingly connected and go out box and the motion of advancing box by what pallet turnover gear train drove pallet, and rotating disk and pallet are rotationally connected and by the rotation of rotating disk rotating actuator drive rotating disk, generally are provided with three dish seats on the rotating disk; The lifting of elevating mechanism is driven by its gear train.This dish load maintainer generally has two kinds of forms.

A kind of form is, elevating mechanism is located on the pedestal, is rotationally connected with pedestal, swing up and down in position during work, and by the main working parts of cam wheel as pallet turnover gear train and elevating drive mechanism, and the rotation of rotating disk is by independently rotating disk rotating actuator drive; Cam wheel is located on the pedestal, is rotationally connected with pedestal, rotates in position during work; The gear ring of cam wheel is used to drive the turnover of pallet, when pallet goes out box, can take out or put into 2 laser discs of two rom blocks that are arranged in the outside by staff, at this moment can make rotating actuator work rotate rotating disk, make the rom block that is positioned at the inboard go to the outside by pressing the relevant controlling key, thereby can take out or put into inboard laser disc; After pallet advances box and puts in place, then upwards rotate and clamp and be positioned at the inboard and read laser disc on the locational rom block, can carry out optically read then by the cylindrical cam of cam wheel control elevating mechanism; After this laser disc has read, driving elevating mechanism by cylindrical cam rotates and unclamps laser disc, drive rotating disk by rotating actuator again and make a laser disc on other rom block forward the inboard to read on the position, drive elevating mechanism by cylindrical cam and upwards rotate and make shaven head clamp new laser disc and read.It is optically read that the shortcoming of this form is that load maintainer can not carry out when changing sheet outside carrying out machine simultaneously.

Another kind of form is, elevating mechanism is located on the pallet, is rotationally connected with pallet, swing up and down in position during work, and by the main working parts of cam wheel, and the turnover campaign of pallet is by pallet turnover transmission mechanism control independently as rotating disk rotating actuator and elevating drive mechanism; Cam wheel is located on the pallet, is rotationally connected with pallet, rotates in position during work; The gear ring of cam wheel is used to drive the rotation of rotating disk, and the cylindrical cam of cam wheel is used to drive swinging up and down of elevating mechanism.Because it is optically read that the related shaven head of elevating mechanism can carry out in the time of can changing sheet outside carrying out machine with pallet turnover event simultaneously, but pass in and out box body just because of shaven head in company with pallet, the vibration that motion is produced can influence the stability of the information of reading.

The purpose of this utility model is, provides a kind of laser disc information and information reading quality of can reading simultaneously when changing sheet at work preferably with the disk loading device of rotating disk.

The technical scheme that realizes the utility model purpose is (referring to Fig. 1), this device has pedestal (1), pallet (2), rotating disk (3), elevating mechanism (4) and rotating disk rotating actuator (5), pallet (2) is slidingly connected with pedestal (1), rotating disk (3) is rotationally connected with pallet (2), rotating disk rotating actuator (5) is located on the pallet (2) and the power output of rotating disk rotating actuator (5) links to each other with the power input component of rotating disk (3), elevating mechanism (4) is located at pedestal (1) and upward and with pedestal (1) is dynamically connected, its design feature is, this device also has the combined type gear train (6) that is located on the pedestal (1), and combined type gear train (6) has leading portion drive disk assembly (61), clutch coupling (63) and back segment drive disk assembly (64); The power output gear (61-5) of leading portion drive disk assembly (61) is meshed with the power input gear of clutch coupling (63), and the power output gear of clutch coupling (63) can be meshed with the tooth bar (26-1) of pallet (2) lower surface or can be meshed with the power input gear of back segment drive disk assembly (64); Elevating mechanism (4) is a powder actuated elevating mechanism in the same way, and its power input component is meshed with the power output gear of back segment drive disk assembly (64).

Referring to Fig. 4, Fig. 1, Fig. 3 and Figure 14, above-mentioned clutch coupling (63) has the clutch gear (63-1) as power output gear, clutch arm (63-2), carrier gear (63-6) and be located at clutch gear (63-1) and clutch arm (63-2) between damping piece (63-3), clutch arm (63-2) is rotationally connected with the central shaft (16-5) that is fixed on the pedestal (1), and clutch arm (63-2) is enclosed within on the central shaft (16-5), clutch gear (63-1) is rotationally connected with the free end of clutch arm (63-2), carrier gear (63-6) is enclosed within the top that clutch arm (63-2) gone up and be positioned to central shaft (16-5), carrier gear (63-6) also is the power input gear of clutch coupling (63), carrier gear (63-6) is meshed with clutch gear (63-1), and clutch gear (63-1) also is the power output gear of clutch coupling (63); The tooth bar (26-1) of pallet (2) lower surface is shaped as The tooth bar of shape; Pedestal (1) go up or with parts that pedestal (1) is fixedly linked on be provided with the locating part (16-8) that can contact with clutch arm (63-2).

Above-mentioned clutch gear (63-1) is rotationally connected with clutch arm (63-2) by the axis of guide (63-4) that is fixed on clutch arm (63-2) free end; Be located at damping piece (63-3) between clutch gear (63-1) and the clutch arm (63-2) for felt, between the upper end of the clutch gear (63-1) and the axis of guide (63-4), be provided with compression spring (63-5), being rotationally connected of clutch gear (63-1) and clutch arm (63-2) be rotationally connected for damp type; The lower surface of pallet (2) be provided with Shape tooth bar (26-1) shape is basic identical and be parallel to each other Shape gathering sill (26-2), the upper end of the axis of guide (63-4) is located in the gathering sill (26-2), and is slidingly connected with gathering sill (26-2); Pedestal (1) is provided with the limited post as locating part (16-8).

Referring to Fig. 1 and Fig. 3, this device also has tray motion noise reduction mechanism (7), pedestal (1) is provided with ejector rob axis (17-1), push rod backing pin (17-2) and extension spring seat (17-3), push rod (71) is enclosed within ejector rob axis (17-1) and upward and with it is rotationally connected, one end of extension spring (72) links to each other with push rod (71), the other end links to each other with the extension spring seat (17-3) of pedestal (1), and push rod (71) is leaning against under the effect of extension spring (72) on the push rod backing pin (17-2).

Referring to Figure 26 to Figure 29, above-mentioned clutch coupling (63) has driving lever (63-7), relay (63-8), the clutch gear (63-1) of the power input gear of clutch gear axle (16-10) and double as clutch coupling and power output gear, driving lever (63-7) is rotationally connected by its shift lever axis (63-7-1) and the driving lever seat (16-9) that is fixed on the pedestal (1), the armature (63-8-3) of relay (63-8) is fixed on the armature seat (63-7-3) of driving lever (63-7), the remaining part of relay (63-8) interconnects and is fixed on the pedestal (1) by securing member, clutch gear (63-1) is rotationally connected with the clutch gear axle (16-10) that is fixed on pedestal (1), clutch gear (63-1) is enclosed within on the clutch gear axle (16-10), and the shift fork (63-7-4) of driving lever (63-7) is positioned at the below of clutch gear (63-1), clutch gear axle (16-10) stretches in the fork pockets of shift fork (63-7-4), and shift fork slides up and down with clutch gear axle (16-10) and is connected; Compression spring (63-9) is enclosed within on the clutch tooth arbor wheel (16-10) and is positioned between the lower surface of clutch gear (63-1) and clutch gear axle (16-10) upper end; The power output gear (61-5) of leading portion drive disk assembly (61) is the thicker gear of power output gear thickness.

Above-mentioned driving lever (63-7) also has lock-bit bar (63-7-5), and when the iron core of relay (63-8) and armature (63-7-3) adhesive, block (26-3) on lock-bit bar (63-7-5) and pallet (2) lower surface is staggeredly located out; The iron core of relay (63-8) and armature (63-7-3) are when separating, and lock-bit bar (63-7-5) blocks block (26-3); The upper end of clutch gear axle (16-10) is arranged in the gathering sill (26-2) of pallet (2) lower surface.

Referring to Figure 14 to Figure 16, above-mentioned pallet (2) upper surface is provided with motor cabinet (25-1), worm-gear toothing wheel seat (25-2), gear shaft (25-4,25-5) and turntable shaft (23), and rotating disk rotating actuator (5) has rotary tray motor (51), worm screw (52), worm-gear toothing (53) and gear (54,55); Rotary tray motor (51) is located in the motor cabinet (25-1), worm screw (52) is located in the worm-gear toothing wheel seat (25-2) and with motor shaft and is fixedly linked, worm-gear toothing (5 3) is located in the worm-gear toothing wheel seat (25-2) and its worm gear parts are meshed with worm screw (52), gear (54) is enclosed within on the gear shaft (25-4) and is rotationally connected mutually, gear (55) is enclosed within on the gear shaft (25-5) and is rotationally connected mutually, gear (54) is meshed with the gear ring of worm-gear toothing (53) and is meshed with gear (55), rotating disk (3) is enclosed within by its rotating disk axle bed (32) on the turntable shaft (23) of pallet (2), and gear (55) is meshed with the gear ring that is located at the disk body lower end (35) of rotating disk (3).

Referring to Fig. 6 to Figure 11, said base (1) is provided with the carriage (14-4) of fixedlying connected with it, cam tooth wheel shaft (14-1), elevating mechanism (4) has cam wheel (41), spacing torsion spring (43), shaven head lifting support (44) and move horizontally sliding sash (45), cam wheel (41) is enclosed within cam tooth wheel shaft (14-1) and upward and with it is rotationally connected, on the lower surface of cam wheel (41), be provided with block (41-4) and block (41-5), on the upper surface of cam wheel (41), be provided with biasing post (41-6), the side plate of carriage (14-4) is provided with the sideslip groove (14-4-1) perpendicular to pedestal (1) bottom surface, the front side board of carriage (14-4) is provided with the preceding chute (14-4-2) perpendicular to pedestal (1) bottom surface, shaven head lifting support (44) is arranged in the corresponding chute that carriage (14-4) and its left and right sides lifting column (44-1) and front side lifting column (44-2) are located at carriage (14-4), and being slided up and down, optics lifting support (44) and carriage (14-4) be connected, the left side plate that moves horizontally sliding sash (45) is provided with the guide groove (45-1) of horizontal oblique-transverse shape, move horizontally sliding sash (45) and be enclosed within carriage (14-4) lifting column (44-1) outer and bare headed lifting support (44) and insert and move horizontally in the guide groove (45-1) of sliding sash (45), make to move horizontally sliding sash (45) and be slidingly connected with bare headed lifting support (44); Move horizontally sliding sash (45) and also be provided with the frame plate that protracts (45-2), protract frame plate (45-2) middle part is provided with through hole, the upper surface of one side is provided with torsion spring seat (45-3), limiting plate (45-4) is fixedlyed connected with the frame plate that protracts (45-2) and is positioned at the top of the frame plate that protracts (45-2) middle part through hole, between frame plate that protracts (45-2) and limiting plate (45-4), leave spacing, spacing torsion spring (43) is enclosed within on the torsion spring seat (45-3), an one spring pin contacts with the chassis body that moves horizontally framework (45), and another spring pin (43-1) is located between frame plate that protracts (45-2) and the limiting plate (45-4) and leans against limiting plate (45-4) and the connecting portion place of the frame plate (45-2) that protracts; The biasing post (41-6) of cam wheel (41) is located between the front bezel of the spring pin (43-1) of limit spring (43) and the frame plate that protracts (45-2), and cam wheel (41) is as the power input component of elevating mechanism (4), and its gear ring (41-2) is meshed with power output gear (64-2) as back segment drive disk assembly (64).

Said base (1) is provided with and is positioned at cam tooth wheel shaft (14-1) other torsion spring seat (14-2) and distraction plate (14-3), cam wheel (41) is rotationally connected by its oval shape flat filament (41-3) and cam tooth wheel shaft (14-1), location torsion spring (42) is enclosed within on the torsion spring seat (14-2), and oval shape flat filament (14-3) and distraction plate (14-3) are sandwiched between 2 spring pin of location torsion spring (42).

Referring to Figure 21 to Figure 25, said base (1) is provided with the bracing frame (14-5) and the cam tooth wheel shaft (14-6) of fixedlying connected with it, elevating mechanism (4) has swing lifting frame (47) and cylindrical cam gear (48), swing lifting frame (47) is rotationally connected by its lateral column (47-1) and bracing frame (14-5), cylindrical cam gear (48) is enclosed within cam tooth wheel shaft (14-6) and upward and with it is rotationally connected, take off post (47-2) on swing lifting frame (47) fronk rack plate is located in the driving groove (48-1) of cylindrical cam gear (48), the gear ring (48-2) of cylindrical cam gear (48) is meshed with the power output gear (64-2) of back segment drive disk assembly (64), and the lower surface of the gear wheel body of cylindrical cam gear (48) is provided with block (48-3).

The utlity model has positive effect.This device can be used for the occasion of VCD machine, CD player and other use light pick-up.This device shaven head reads the information of laser disc also can carry out when changing sheet continuously, and the information reading quality is better, and during especially for the VCD machine, video reproduction simultaneously and picture steadiness are better when changing sheet.The combined type gear train of this device is the turnover box lifting of may command shaven head parts again of may command pallet, and rational in infrastructure, institute takes up space little.

Fig. 1 is a kind of schematic perspective view of the present utility model.

Fig. 2 is pedestal of the present utility model and a kind of schematic perspective view that the location torsion spring of relevant detector switch and elevating mechanism is installed on pedestal.

Fig. 3 is a kind of schematic perspective view that combined type gear train and tray motion noise reduction mechanism are installed on the pedestal in Fig. 2.

Fig. 4 is the perspective view of the clutch coupling of the utility model combined type gear train.

Synoptic diagram when Fig. 5 is clockwise motion of combined type gear train of the present utility model and counterclockwise motion.

Fig. 6 is the perspective view of circumference type cam wheel of the present utility model.

Fig. 7 is the bare headed lifting support of the utility model elevating mechanism and moves horizontally sliding sash and the interconnective perspective view of elevating mechanism carriage of pedestal.

Fig. 8 moves horizontally the perspective view of sliding sash for the utility model.

Fig. 9 is cam wheel, the torsion spring of the utility model elevating mechanism and moves horizontally the interconnective synoptic diagram of sliding sash.

Figure 10 is the A-A cross-sectional schematic of Fig. 9, the position after wherein the biasing post of peripheral cam gear is positioned at partially.

Figure 11 is positioned at the synoptic diagram of preceding partially position for the biasing post corresponding to the peripheral cam gear among Figure 10.

Figure 12 is the synoptic diagram that sliding sash drives bare headed lifting support motion that moves horizontally of the utility model elevating mechanism.

Figure 13 is the schematic perspective view that bare headed parts are installed on the utility model shaven head lifting support.

Figure 14 is the structural representation of the utility model pallet.

Figure 15 is the structural representation of the utility model rotating disk.

Figure 16 is the utility model pallet, rotating disk and the interconnective schematic perspective view of rotating disk rotating actuator.

Figure 17 is the synoptic diagram of the utility model rotating disk rotating actuator motion.

Figure 18 is the local enlarged diagram that the pit of Figure 17 turntable side and the fork sensing head that stops detector switch being in contact with one another.

Figure 19 is pallet of the present utility model when being positioned at the box position, and its tooth bar meshes, reaches the synoptic diagram that the gathering sill and the axis of guide are slidingly connected with clutch gear.

Synoptic diagram when Figure 20 goes out the box motion for the utility model pallet.

Figure 21 is the another kind of structural representation of the utility model pedestal.

Figure 22 is the schematic perspective view that combined type gear train and swing type elevating mechanism are installed on the pedestal of Figure 21.

Figure 23 is the local enlarged diagram at cylindrical cam gear place among Figure 22.

Figure 24 is the schematic perspective view of cylindrical cam gear among Figure 22.

Circuit stretch-out view when Figure 25 is the mobile post contact movement of the cylindrical cam gear of the utility model swing type elevating mechanism and bare headed lifting support.

Figure 26 is the another kind of structural representation of the utility model pedestal.

Figure 27 is the schematic perspective view with the part parts of the corresponding clutch coupling of pedestal of Figure 26.

Figure 28 is and Figure 26 and the corresponding combined type gear train of Figure 27 motion synoptic diagram.

Figure 29 is the work synoptic diagram of clutch coupling, and direction is analysed and observe for the B-B of Figure 28 in position shown in the figure.

Below in conjunction with drawings and Examples the utility model is further described.

Embodiment 1

See Fig. 2, make the pedestal of shape (1) as shown in the figure through injection moulding with the ABS engineering plastics pellet.Two upper lateral parts of pedestal (1) are provided with side channel guiding (12-2) inwardly, left upper portion is provided with chute guide (12-1) upwards, and the front portion, left side is provided with out box detector switch seat (11-1), advance box detector switch seat (11-2), loading motor seat (16-1), belt wheel gear shaft (16-2), gear shaft (16-3,16-4), central shaft (16-5) and as the limited post of locating part (16-8), front middle part is provided with gear shaft (16-6,16-7), middle middle part is provided with peripheral cam pinion stand (14-1), spring base (14-2), spring pin distraction plate (14-3) and lifting detector switch seat (11-3), rear middle part is provided with elevating mechanism carriage (14-4).Elevating mechanism carriage (14-4) is by constituting with vertically disposed 4 sideslip grooves in pedestal baseplane (14-4-1) and a preceding chute (14-4-2) on left and right, first three side frame plate and the deckle board.

Still see Fig. 2, in going out of pedestal (1) box is installed out on the box detector switch seat (11-1) and is detected single-way switch (81), advancing to be installed on the box detector switch seat (12-2) box detection single-way switch (82), going up at lifting detector switch seat (12-3) lifting detection two-way switch (83) is installed.

See Fig. 3, loading motor (61-1) is installed in motor cabinet (16-1), electrical machine belt pulley is fixedlyed connected with motor shaft; Belt wheel gear (61-2) is enclosed within belt wheel gear shaft (16-2) upward and with axle (16-2) to be rotationally connected; Belt (61-3) is enclosed within on the belt wheel of electrical machine belt pulley and belt wheel gear (61-2).Gear (61-4) is enclosed within on the gear shaft (16-3) that is rotationally connected with it, gear (61-5) is enclosed within on the gear shaft (16-4) that is rotationally connected with it, belt wheel gear (61-2) is meshed with gear (61-1), gear (61-4) is meshed with gear (61-5), thereby the leading portion drive disk assembly (61) of combined type gear train (6) is installed.

See Fig. 4, make the clutch arm (63-2) and the clutch gear (63-1) of shape as shown in the figure with engineering plastics pellet through injection moulding, to place the axis hole upper surface of the free end (63-2-2) of clutch arm (63-2) as the felt (63-3) of damping piece, put clutch gear (63-1) and compression spring (63-5) then successively, again the metal axis of guide (63-4) is passed compression spring (63-5) successively, clutch gear (63-1), be pressed into the axis hole that clutch arm free end (63-2-2) is located behind the felt (63-3), make it to fixedly connected, and the clutch gear (63-1) and the damp type that is connected to of clutch arm (63-2) are rotationally connected with clutch arm (63-2).Thereby constitute the main body of clutch coupling (63).

Still see Fig. 3, the central shaft hole (63-2-1) of clutch coupling (63) by its clutch arm (63-2) is enclosed within on the central shaft (16-5) of pedestal (1), and clutch arm (63-2) and central shaft (16-5) are rotationally connected; Again carrier gear (63-6) is enclosed within on the central shaft (16-5), make it to be rotationally connected, and carrier gear (63-6) is meshed with gear (61-5) and clutch gear (63-1) simultaneously with central shaft (16-5).The power input gear (64-1) of back segment drive disk assembly (64) is enclosed within on the gear shaft (16-6) that is rotationally connected with it, the power output gear (64-2) of back segment drive disk assembly (64) is enclosed within the gear shaft (16-7) that is rotationally connected with it is gone up and gear (64-2) is meshed with gear (64-1).

See Fig. 3, the push rod (71) of tray motion noise reduction mechanism (7) is enclosed within ejector rob axis (17-1) and upward and with ejector rob axis (17-1) is rotationally connected, one end of extension spring (72) links to each other with push rod (71), the other end links to each other with the extension spring seat (17-3) of pedestal (1), during assembling, push rod (71) is leaning against under the effect of extension spring (72) on the push rod backing pin (17-2).

See Fig. 5, loading motor (61-1) is when clockwise rotating, by leading portion drive disk assembly (61) carrier gear (63-6) is rotated counterclockwise around central shaft (16-5), and give clutch gear (63-1) with its engagement with transmission of power by carrier gear (63-6), because the damping action of felt (63-3), clutch arm (63-2) is rotated counterclockwise in the same way along with the rotation of carrier gear (63-6), follow carrier gear (63-6) until clutch gear (63-1) by dotted line position shown in Figure 5 and turn to position shown in its solid line.At this moment clutch gear (63-1) is meshed with gear (64-1), clutch arm (63-2) leans against on the limited post (16-8), at this moment clutch gear (63-1) overcomes frictional resistance and rotates around the axis of guide (63-4) under the drive of carrier gear (63-6), be rotated counterclockwise thereby drive, gear (64-2) is turned clockwise with its meshed gears (64-1).

Still see Fig. 5, when loading motor (61-1) when being rotated counterclockwise, by leading portion drive disk assembly (61) carrier gear (63-6) is clockwise rotated, and clutch arm (63-2) is clockwise rotated in the same way along with the rotation of carrier gear (63-6), thereby make clutch gear (63-1) and gear (64-1) break away from engagement, and rotate in clutch arm (63-2) clockwise direction left side, makes on clutch gear (63-1) and the pallet (2)

Shape tooth bar (26-1) engagement turns to the position of taking back shown in the dotted line among the figure until the clutch arm.

(61-1) is rotated counterclockwise when loading motor, clutch arm (63-2) is by going to position shown in the dotted line with the dextrorotation that contacts of limited post (16-8), back segment in this rotation of clutch arm (63-2), the block arc (63-2-4) of clutch arm (63-2) contacts with the pickup arm that advances box detector switch (82), and makes this switch (82) conducting.Turn clockwise and work as loading motor (61-1), clutch arm (63-2) is rotated to gear (64-1) by position shown in the dotted line and contacts.At this moment, the block arc (63-2-4) of clutch arm (63-2) disengages with the pickup arm that advances box detector switch (82), and this switch (82) is turn-offed.

Make the peripheral cam gear (41) of shape as shown in Figure 6 with engineering plastics pellet, cam wheel (41) is made of wheel body (41-1), the gear ring (41-2) that links to each other with wheel body (41-1), the oval shape flat filament (41-3) that has center pit, block (41-4,41-5) and biasing post (41-6).

See Fig. 2, be stuck on the distraction plate (14-3) of pedestal (1) at two pin that put location torsion spring (42) on the spring base (14-2) of pedestal (1) and will locate torsion spring (42), peripheral cam gear (41) is enclosed within on the cam tooth wheel shaft (14-1) that is rotationally connected with it of pedestal (1) again, and the flat filament (41-3) of cam wheel (41) is placed between two pin of torsion spring (42).

See Fig. 7, make the bare headed lifting support (44) of shape as shown in the figure and move horizontally sliding sash (45) through injection moulding with engineering plastics pellet.Be equipped with 2 lifting columns (44-1) on the outer face of every block of side plate of left side plate of shaven head lifting support (44), the outer face of its front side board is provided with 1 lifting column (44-2), also is provided with 4 bare headed holders (44-3) on support (44) base plate.See Figure 13, shaven head parts (91) can be fixed on the bare headed lifting support (44) by bare headed holder (44-3), still see Fig. 7, move horizontally the guide groove (45-1) that is equipped with 2 horizontal oblique-transverse shapes on every block of side plate of left side plate of sliding sash (45), the frame plate that protracts (45-2) that the framework front side has level to stretch out forward, the frame plate (45-2) that protracts is provided with semicircular through hole, protract and be fixed with torsion spring seat (45-3) on the upper surface of frame plate (45-2) plate body left part, semicircular spring pin limiting plate (45-4) is fixed on the semi-circular through hole place of the frame plate that protracts (45-2), with bare headed support (44) by its lifting column (44-1,44-2) embed the chute (14-4-1 of pedestal (1) elevating mechanism carriage (14-4) from inside to outside, 14-4-2),, bare headed support (44) is connected and being slided up and down with elevating mechanism carriage (14-4).See Fig. 9 and Figure 10, spacing torsion spring (43) is enclosed within on the torsion spring seat (45-3) of the grillage that protracts (45-2) of sliding sash (45), and a pin (43-2) of torsion spring (43) snapped between spring pin limiting plate (45-4) upper surface and sliding sash (45) the main body upper head plate lower surface, another pin (43-1) of torsion spring (43) stretches in the space folded between limiting plate (45-4) and the frame plate that protracts (45-2) and can make the elasticity twisting after torsion spring seat (45-3) is by forward direction of this spring pin (43-1).See Fig. 7, will move horizontally sliding sash (45) ecto-entad and cover on the elevating mechanism carriage (14-4) of pedestal (1), and the lifting column (44-1) of bare headed lifting support (44) is embedded in the guide groove (45-1) of sliding sash (45) from inside to outside.And limiting sliding sash (45) in the screw hole by screw (46) screw-in pedestal (1) can only the front and back horizontal slip.Install relevant bare headed parts (91) (seeing Figure 13) then.

See Fig. 9, the biasing post (41-6) of cam wheel (41) is inserted between the antetheca of semi-circular through hole of the spring pin (43-1) of spacing torsion spring (43) and the frame plate that protracts (45-2) from bottom to top, when loading motor (61-1) during by shown in Figure 5 moving clockwise, clutch gear (63-1) is harmonious with gear (64-1), by gear (64-2) cam wheel (41) is rotated counterclockwise again, and cam wheel (41) makes its biasing post (41-6) by moving behind the forward direction in rotation, and sliding sash (45) is then promoted motion backward by biasing post (41-6).Biasing post (41-6) moves to position after partially shown in Figure 10 by the position before partially shown in Figure 11, and sliding sash (45) moves to solid line position among the figure by position shown in Figure 12 dotted line simultaneously.The lifting column (44-1) of shaven head lifting support (44) moves to the solid line position that is positioned at the top by the dotted line position that is positioned at the below among the figure, and bare headed parts (91) are moved up.At this moment, the pickup arm of lifting detector switch (83) is stirred backward by block (41-4), and when biasing post (41-6) moved to preceding partially position, the pickup arm of switch (83) was stirred forward by block (41-5).

Make the pallet of shape (2) as shown in figure 14 with the engineering plastics pellet injection moulding.The lower surface of pallet (2) is provided with the chute (22-1) that can match with the chute guide (12-1) on the pedestal (1), the sidepiece of pallet (2) is provided with the side channel (not marking among the figure) that can match with the side channel guide (12-2) on the pedestal (1).Be provided with the block (21-3) that is used to stir out box detector switch (81) in the rear end of chute (22-1).On the lower surface of pallet (2), be provided with

Shape tooth bar (26-1) and be set up in parallel corresponding The gathering sill of shape (26-2).Middle part in the upper surface of pallet (2) is provided with turntable shaft (23) and recessed reel number detector switch seat (21-1).Right back portion in pallet (2) upper surface be provided with recessed motor cabinet (25-1), worm-gear toothing wheel seat (25-2), gear shaft (25-4,25-5) and stop detector switch seat (21-2).

See Figure 16, rotary tray motor (51) is installed in motor cabinet (25-6), worm screw (52) and worm-gear toothing (53) are installed in worm-gear toothing wheel seat (25-2), worm screw (52) is fixedly linked with the rotary tray motor axle and is meshed with the worm gear parts of worm-gear toothing (53), gear (54) is enclosed within on the gear shaft (25-4) and is rotationally connected mutually, and gear (55) is enclosed within on the gear shaft (25-5) and is rotationally connected mutually; Gear (54) is meshed with the gear ring of worm-gear toothing (53) and is meshed with gear (55).At the last fixedly reel number detector switch (84) of reel number detector switch seat (21-1), stopping the last detector switch (85) that fixedly stops of detector switch seat (21-2).

See Figure 15, make the rotating disk of shape (3) as shown in the figure with the engineering plastics pellet injection moulding.The middle part of rotating disk (3) is provided with rotating disk axle bed (32), the inner face that the lower surface of rotating disk (3) is provided with gear ring (35) and gear ring (35) is provided with reel number detection block (31-1), the upper surface of rotating disk (3) is provided with 3 rom blocks (33), and the side of rotating disk (3) disk body is provided with 3 and stops to detect pit (31-2).See Figure 13, rotating disk (3) is enclosed within by its rotating disk axle bed (32) on the turntable shaft (23) of pallet (2), and gear (55) is meshed with the gear ring (35) of rotating disk (3).

See Fig. 1, the pallet (2) that rotating disk (3) and rotating disk rotating actuator (5) will be installed is arranged on the pedestal (1), and the chute (22-1) by pallet (2) matches with the chute guide (12-1) of pedestal (1) and the side channel of pallet (2) matches with the side channel guide (12-2) of pedestal (1), and pallet (2) and pedestal (1) are slidingly connected.See Figure 19, when pallet (2) is positioned at the box position, clutch gear (63-1) with

Shape tooth bar (26-1) is meshed, and the upper end of the axis of guide (63-4) of clutch coupling (63) stretches in the gathering sill (26-2) of dish (2) lower surface.

Press out the box button, loading motor (61-1) is rotated counterclockwise, then clutch gear (63-1) turns clockwise, and is positioned at the leftward position of Figure 19, at this moment can make pallet (2) slowly go out box (seeing Figure 20).When outwards motion of pallet (2), move to when contacting and drive the block (21-3) be positioned at pallet (2) lower surface chute (22-1) tail end with the pickup arm that goes out box detector switch (81), then export out the box signal, and loading motor (61-1) is stopped operating by going out box detector switch (81).Press into that the box button then makes loading motor (61-1) turn clockwise, drive clutch gear (63-1) and be rotated counterclockwise and pallet (2) is inwardly moved in the box.Loading motor (61-1) is rotated further, and clutch gear (63-1) is rotated to the right positions of Figure 19, and clutch arm (63-2) disengages with the pickup arm that advances box detector switch (82) in the rotation, and sends into box signal, and loading motor (61-1) stops operating.Press play button (for example No. 3 dish buttons), then make rotary tray motor (51) starting, rotating disk (3) is rotated.See Figure 17, in the rotation of rotating disk (3), reel number detects the pickup arm that block (31-1) is stirred reel number detector switch (21-1), can determine to be positioned at number number of bare headed parts (91) top rom blocks (33) according to the break-make number of times of switch in a period of time (21-1), when the break-make number of times of switch (21-1) is 3 times, number number that then is positioned at the rom block (33) of bare headed parts (91) top this moment is No. 3, then when slowly rotation of rotating disk (3) continuation, the sensing head (85-2) that stops the fork (85-1) of detector switch (85) slips into the stopping to detect pit (31-2) of rotating disk (3) disk body side and the output rotating disk signal that puts in place stops operating rotary tray motor (51), No. 3 rom blocks this moment (33) then be positioned at bare headed parts (91) directly over.Simultaneously, loading motor (61-1) begins to clockwise rotate, through the carrier gear (63-6) of leading portion drive disk assembly (61) and clutch coupling (63) and to clutch gear (63-1) transferring power, because of the damping action of damping piece (63-3) is rotated counterclockwise clutch arm (63-2) clutch gear (63-1) is meshed with the power input gear (64-1) of back segment drive disk assembly (64), and block clutch arm (63-2) by limited post (16-8) and prevent it to continue to clockwise rotate, thereby the acting force that makes carrier gear (63-6) pass to clutch gear (63-1) passes to gear (64-1) substantially, along with loading motor (63-1) continue clockwise rotate, back segment drive disk assembly (64) drives peripheral cam gear (41) and rotates counterclockwise, the biasing post (41-6) of peripheral cam gear (41) drive move horizontally sliding sash (45) to pedestal (1) thus the rear move and drive bare headed lifting support (44) and rise and bare headed parts (91) are put in place, hold up laser disc and leave rom block (33), bare headed parts (91) are clamped laser disc with the plate rail of top.The pickup arm of reversible lifting detector switch (83) is dialed to first by the block (41-4) on the cam wheel (41) and connects retaining simultaneously, and export the signal that bare headed lifting support (44) is in the top position, on the one hand loading motor (61-1) is stopped operating, make bare headed electric motor starting in the bare headed parts (91) make the laser disc rotation on the other hand and shaven head (91-1) is moved and read information on the laser disc.

When the information of a slice laser disc reads when finishing, shaven head parts (91) send signal, bare headed motor is stopped operating and clockwise rotate and rotate to drive bare headed lifting support (44) and descend by cam wheel (41) by loading motor (63-1), put down the laser disc that has read, the pickup arm of lifting detector switch this moment (83) is struck under the effect of block (41-5) and second connects retaining, thereby exports the signal that bare headed lifting support (44) is in lower position.At this moment,, and start rotary tray motor (51) and rotate, make next rom block (33) turn to the top of bare headed parts (91), carry out relevant bare headed lifting support (44) again and lift, the process of reading to coil etc. even loading motor (63-1) stops operating.

Change the laser disc on all the other rom blocks of rotating disk (3) (33) if want bare headed parts (91) that reading of laser disc do not stopped simultaneously, then can press not shut down and change the dish button.This moment, bare headed motor was still in work, and simultaneously loading motor (61-1) is rotated counterclockwise, clutch gear (63-1) break away from engagement with gear (64-1) and under the drive of clutch arm (63-2) by with The arc section of shape tooth bar (26-1) be meshed move to The straight-tooth section of shape tooth bar (26-1) is meshed, simultaneously stir the into pickup arm of box detector switch (82) by the block arc (63-2-4) of clutch arm (63-2), clutch gear (63-1) drives at loading motor (61) and centers on the axis of guide (63-4) down and be rotated counterclockwise and pallet (2) is moved outside box, moves to its block (21-3) until pallet (2) and stirs out the pickup arm of box detector switch (81) and loading motor (61-1) is stopped operating.Be the laser disc that is on the replaceable rotating disk (3) on outer 2 rom blocks (33) of box this moment.Pressing into again, the box switch can clockwise rotate by start-up loading motor (61-1), and allow pallet (2) in box, move, put in place until pallet (2), the block arc (63-2-4) of clutch arm (63-2) disengages with the pickup arm that advances box detector switch (82) and sends signal and make loading motor (61-1) stall, and laser disc reads always and do not stop simultaneously.

In the use of this device, because combined type gear train (6) is provided with clutch coupling (63), both can give back segment drive disk assembly (64) with transmission of power, and then provide power for the lifting of bare headed lifting support (44), transmission of power can be given the tooth bar (26-1) on the pallet (2) and made the motion of pallet (2) turnover box again, thereby this apparatus structure is ingenious, compact, the reliability of work is also higher, guaranteed when changing sheet, can reading continuously of bare headed parts (91), and mass motion causes the stability of the information that reads better because bare headed parts (91) are not with pallet (2) turnover.

See Fig. 3 and Figure 14, this device is provided with tray motion noise reduction mechanism (7), and its push rod backing pin (17-2) withstands the baffle plate (63-2-3) of clutch arm (63-2) under the effect of extension spring (72).At clutch gear (63-1) and pallet (2)

Under the straight-tooth position state of contact of shape tooth bar (26-1), the upper end of the axis of guide (63-4) of clutch coupling (63) is contacted with the internal groove side wall of the gathering sill (26-2) of pallet (2) lower surface all the time, thereby the mutual kinematic relation of the internal groove side wall of the part of the side of the upper end of the axis of guide (63-4) and pallet (2) gathering sill (26-2) is sliding friction when the motion of pallet (2) turnover box, avoided the bump of the axis of guide (63-4) upper end and gathering sill (26-2) cell wall, so noise is lower.

The rotating disk rotating actuator (5) of this device is a reducing gear with worm screw (52) and worm-gear toothing (13), and reduction gear ratio is big, the functional reliability height, and self-locking action is arranged.

Embodiment 2,

See Figure 26 to Figure 29, all the other are with embodiment 1, and difference is that the device of present embodiment is not provided with tray motion noise reduction mechanism (7), and clutch coupling (63) is another kind of version.Clutch coupling (63) has driving lever (63-7), relay (63-8), the clutch gear (63-1) of the power input gear of clutch gear axle (16-10) and double as clutch coupling and power output gear, driving lever (63-7) is rotationally connected by its shift lever axis (63-7-1) and the driving lever seat (16-9) that is fixed on the pedestal (1), the armature (63-8-3) of relay (63-8) is fixed on the armature seat (63-7-3) of driving lever (63-7), the remaining part of relay (63-8) interconnects and is fixed on the pedestal (1) by securing member, clutch gear (63-1) is rotationally connected with the clutch gear axle (16-10) that is fixed on pedestal (1), clutch gear (63-1) is enclosed within on the clutch gear axle (16-10), and the shift fork (63-7-4) of driving lever (63-7) is positioned at the below of clutch gear (63-1), clutch gear axle (16-10) stretches in the fork pockets of shift fork (63-7-4), and shift fork slides up and down with clutch gear axle (16-10) and is connected; Compression spring (63-9) is enclosed within on the clutch tooth arbor wheel (16-10) and is positioned between the lower surface of clutch gear (63-1) and clutch gear axle (16-10) upper end; The power output gear (61-5) of leading portion drive disk assembly (61) is the thicker gear of power output gear thickness.Be located at pallet (2) lower end tooth bar (26-1) be shaped as straight-tooth, the shape of gathering sill (26-2) also is a straight trough; The upper end of clutch gear axle (16-10) is arranged in the gathering sill (26-2) of pallet (2) lower surface.Driving lever (63-7) also has lock-bit bar (63-7-5), and when the iron core (63-8-2) of relay (63-8) and armature (63-7-3) adhesive, block (26-3) on lock-bit bar (63-7-5) and pallet (2) lower surface is staggeredly located out; And clutch gear (63-1) is meshed with tooth bar (26-1), thereby can drive the motion that pallet (2) passes in and out box.The iron core of relay (63-8) and armature (63-7-3) are when separating, and lock-bit bar (63-7-5) blocks block (26-3), can play locking action to the box that goes out of pallet (2).Clutch gear (63-1) is meshed with the gear (64-3) of back segment drive disk assembly (64) simultaneously, by gear (64-3) by gear (64-4), gear (64-1) and gear (64-2) with transmission of power to peripheral cam gear (41), make the bare headed lifting support (44) of elevating mechanism (4) finish the motion of lifting or descending by peripheral cam gear (41) again.

Embodiment 3,

See Figure 21 to Figure 25, all the other are with embodiment 1, difference is, elevating mechanism (4) is another kind of version, pedestal (1) is provided with the bracing frame (14-5) and the cam tooth wheel shaft (14-6) of fixedlying connected with it, elevating mechanism (4) has swing lifting frame (47) and cylindrical cam gear (48), swing lifting frame (47) is rotationally connected by its lateral column (47-1) and bracing frame (14-5), cylindrical cam gear (48) is enclosed within cam tooth wheel shaft (14-6) and upward and with it is rotationally connected, take off post (47-2) on swing lifting frame (47) fronk rack plate is located in the driving groove (48-1) of cylindrical cam gear (48), the gear ring (48-2) of cylindrical cam gear (48) is meshed with the power output gear (64-2) of back segment drive disk assembly (64), and the lower surface of the gear ring wheel body of cylindrical cam gear (48) is provided with block (48-3).Block (48-3) has two, in the motion of cylindrical cam gear (48), wherein a block (48-3) pickup arm that can stir lifting detector switch (83) makes it first connect retaining and connect forward, and another piece block (48-3) can be stirred pickup arm backward and make second of switch (83) connect retaining to connect.

Claims (10)

1, a kind of disk loading device with rotating disk, has pedestal (1), pallet (2), rotating disk (3), elevating mechanism (4) and rotating disk rotating actuator (5), pallet (2) is slidingly connected with pedestal (1), rotating disk (3) is rotationally connected with pallet (2), rotating disk rotating actuator (5) is located on the pallet (2) and the power output of rotating disk rotating actuator (5) links to each other with the power input component of rotating disk (3), elevating mechanism (4) is located at pedestal (1) and upward and with pedestal (1) is dynamically connected, it is characterized in that, this device also has the combined type gear train (6) that is located on the pedestal (1), and combined type gear train (6) has leading portion drive disk assembly (61), clutch coupling (63) and back segment drive disk assembly (64); The power output gear (61-5) of leading portion drive disk assembly (61) is meshed with the power input gear of clutch coupling (63), and the power output gear of clutch coupling (63) can be meshed with the tooth bar (26-1) of pallet (2) lower surface or can be meshed with the power input gear of back segment drive disk assembly (64); Elevating mechanism (4) is a powder actuated elevating mechanism in the same way, and its power input component is meshed with the power output gear of back segment drive disk assembly (64).

2, device according to claim 1, it is characterized in that, clutch coupling (63) has the clutch gear (63-1) as power output gear, clutch arm (63-2), carrier gear (63-6) and be located at clutch gear (63-1) and clutch arm (63-2) between damping piece (6 3-3), clutch arm (63-2) is rotationally connected with the central shaft (16-5) that is fixed on the pedestal (1), and clutch arm (63-2) is enclosed within on the central shaft (16-5), clutch gear (63-1) is rotationally connected with the free end of clutch arm (63-2), carrier gear (63-6) is enclosed within the top that clutch arm (63-2) gone up and be positioned to central shaft (16-5), carrier gear (63-6) also is the power input gear of clutch coupling (63), carrier gear (63-6) is meshed with clutch gear (63-1), and clutch gear (63-1) also is the power output gear of clutch coupling (63); The tooth bar (26-1) of pallet (2) lower surface is shaped as

The tooth bar of shape; Pedestal (1) go up or with parts that pedestal (1) is fixedly linked on be provided with the locating part (16-8) that can contact with clutch arm (63-2).

According to the described device of claim 2, it is characterized in that 3, clutch gear (63-1) is rotationally connected with clutch arm (63-2) by the axis of guide (63-4) that is fixed on clutch arm (63-2) free end; Be located at damping piece (63-3) between clutch gear (63-1) and the clutch arm (63-2) for felt, between the upper end of the clutch gear (63-1) and the axis of guide (63-4), be provided with compression spring (63-5), being rotationally connected of clutch gear (63-1) and clutch arm (63-2) be rotationally connected for damp type; The lower surface of pallet (2) be provided with Shape tooth bar (26-1) shape is basic identical and be parallel to each other

Shape gathering sill (26-2), the upper end of the axis of guide (63-4) is located in the gathering sill (26-2), and is slidingly connected with gathering sill (26-2); Pedestal (1) is provided with the limited post as locating part (16-8).

4, device according to claim 3, it is characterized in that, this device also has tray motion noise reduction mechanism (7), pedestal (1) is provided with ejector rob axis (17-1), push rod backing pin (17-2) and extension spring seat (17-3), push rod (71) is enclosed within ejector rob axis (17-1) and upward and with it is rotationally connected, one end of extension spring (72) links to each other with push rod (71), and the other end links to each other with the extension spring seat (17-3) of pedestal (1), and push rod (71) is leaning against under the effect of extension spring (72) on the push rod backing pin (17-2).

5, device according to claim 1, it is characterized in that, clutch coupling (63) has driving lever (63-7), relay (63-8), the clutch gear (63-1) of the power input gear of clutch gear axle (16-10) and double as clutch coupling and power output gear, driving lever (63-7) is rotationally connected by its shift lever axis (63-7-1) and the driving lever seat (16-9) that is fixed on the pedestal (1), the armature (63-8-3) of relay (63-8) is fixed on the armature seat (63-7-3) of driving lever (63-7), the remaining part of relay (63-8) interconnects and is fixed on the pedestal (1) by securing member, clutch gear (63-1) is rotationally connected with the clutch gear axle (16-10) that is fixed on pedestal (1), clutch gear (63-1) is enclosed within on the clutch gear axle (16-10), and the shift fork (63-7-4) of driving lever (63-7) is positioned at the below of clutch gear (63-1), clutch gear axle (16-10) stretches in the fork pockets of shift fork (63-7-4), and shift fork slides up and down with clutch gear axle (16-10) and is connected; Compression spring (63-9) is enclosed within on the clutch tooth arbor wheel (16-10) and is positioned between the lower surface of clutch gear (63-1) and clutch gear axle (16-10) upper end; The power output gear (61-5) of leading portion drive disk assembly (61) is the thicker gear of power output gear thickness.

6, device according to claim 5, it is characterized in that, driving lever (63-7) also has lock-bit bar (63-7-5), and when the iron core of relay (63-8) and armature (63-7-3) adhesive, block (26-3) on lock-bit bar (63-7-5) and pallet (2) lower surface is staggeredly located out; The iron core of relay (6 3-8) and armature (63-7-3) are when separating, and lock-bit bar (63-7-5) blocks block (26-3); The upper end of clutch gear axle (16-10) is arranged in the gathering sill (26-2) of pallet (2) lower surface.

7, device according to claim 1, it is characterized in that, pallet (2) upper surface is provided with motor cabinet (25-1), worm-gear toothing wheel seat (25-2), gear shaft (25-4,25-5) and turntable shaft (23), and rotating disk rotating actuator (5) has motor (51), worm screw (52), worm-gear toothing (53) and gear (54,55); Motor (51) is located in the motor cabinet (25-1), worm screw (52) is located in the worm-gear toothing wheel seat (25-2) and with motor shaft and is fixedly linked, worm-gear toothing (53) is located in the worm-gear toothing wheel seat (25-2) and its worm gear parts are meshed with worm screw (52), gear (54) is enclosed within on the gear shaft (25-4) and is rotationally connected mutually, gear (55) is enclosed within on the gear shaft (25-5) and is rotationally connected mutually, gear (54) is meshed with the gear ring of worm-gear toothing (53) and is meshed with gear (55), rotating disk (3) is enclosed within by its rotating disk axle bed (32) on the turntable shaft (23) of pallet (2), and gear (55) is meshed with the gear ring that is located at the disk body lower end (35) of rotating disk (3).

8, according to the described device of one of claim 1 to 7, it is characterized in that, pedestal (1) is provided with the carriage (14-4) of fixedlying connected with it, cam tooth wheel shaft (14-1), elevating mechanism (4) has cam wheel (41), spacing torsion spring (43), shaven head lifting support (44) and move horizontally sliding sash (45), cam wheel (41) is enclosed within cam tooth wheel shaft (14-1) and upward and with it is rotationally connected, on the lower surface of cam wheel (41), be provided with block (41-4) and block (41-5), on the upper surface of cam wheel (41), be provided with biasing post (41-6), the side plate of carriage (14-4) is provided with the sideslip groove (14-4-1) perpendicular to pedestal (1) bottom surface, the front side board of carriage (14-4) is provided with the preceding chute (14-4-2) perpendicular to pedestal (1) bottom surface, shaven head lifting support (44) is arranged in the corresponding chute that carriage (14-4) and its left and right sides lifting column (44-1) and front side lifting column (44-2) are located at carriage (14-4), and being slided up and down, optics lifting support (44) and carriage (14-4) be connected, the left side plate that moves horizontally sliding sash (45) is provided with the guide groove (45-1) of horizontal oblique-transverse shape, move horizontally sliding sash (45) and be enclosed within carriage (14-4) lifting column (44-1) outer and bare headed lifting support (44) and insert and move horizontally in the guide groove (45-1) of sliding sash (45), make to move horizontally sliding sash (45) and be slidingly connected with bare headed lifting support (44); Move horizontally sliding sash (45) and also be provided with the frame plate that protracts (45-2), protract frame plate (45-2) middle part is provided with through hole, the upper surface of one side is provided with torsion spring seat (45-3), limiting plate (45-4) is fixedlyed connected with the frame plate that protracts (45-2) and is positioned at the top of the frame plate that protracts (45-2) middle part through hole, between frame plate that protracts (45-2) and limiting plate (45-4), leave spacing, spacing torsion spring (43) is enclosed within on the torsion spring seat (45-3), an one spring pin contacts with the chassis body that moves horizontally framework (45), and another spring pin (43-1) is located between frame plate that protracts (45-2) and the limiting plate (45-4) and leans against limiting plate (45-4) and the connecting portion place of the frame plate (45-2) that protracts; The biasing post (41-6) of cam wheel (41) is located between the front bezel of the spring pin (43-1) of limit spring (43) and the frame plate that protracts (45-2), and cam wheel (41) is as the power input component of elevating mechanism (4), and its gear ring (41-2) is meshed with power output gear (64-2) as back segment drive disk assembly (64).

9, device according to claim 8, it is characterized in that, pedestal (1) is provided with and is positioned at cam tooth wheel shaft (14-1) other torsion spring seat (14-2) and distraction plate (14-3), cam wheel (41) is rotationally connected by its oval shape flat filament (41-3) and cam tooth wheel shaft (14-1), location torsion spring (42) is enclosed within on the torsion spring seat (14-2), and oval shape flat filament (14-3) and distraction plate (14-3) are sandwiched between 2 spring pin of location torsion spring (42).

10, according to the described device of one of claim 1 to 7, it is characterized in that, pedestal (1) is provided with the bracing frame (14-5) and the cam tooth wheel shaft (14-6) of fixedlying connected with it, elevating mechanism (4) has swing lifting frame (47) and cylindrical cam gear (48), swing lifting frame (47) is rotationally connected by its lateral column (47-1) and bracing frame (14-5), cylindrical cam gear (48) is enclosed within cam tooth wheel shaft (14-6) and upward and with it is rotationally connected, take off post (47-2) on swing lifting frame (47) fronk rack plate is located in the driving groove (48-1) of cylindrical cam gear (48), the gear ring (48-2) of cylindrical cam gear (48) is meshed with the power output gear (64-2) of back segment drive disk assembly (64), and the lower surface of the gear ring wheel body of cylindrical cam gear (48) is provided with block (48-3).

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