CN2798245Y

CN2798245Y - Disc apparatus core

Info

Publication number: CN2798245Y
Application number: CN 200420102304
Authority: CN
Inventors: 杨东佐
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-22
Filing date: 2004-12-10
Publication date: 2006-07-19
Anticipated expiration: 2014-12-10

Abstract

The utility model relates to a machine core of a disk, which comprises a casing, a first transmitting device, a disk reading-writing device and a signal switch, wherein the first transmitting device transmits the disk to the disk reading position when carrying out disk reading and transmits the disk from the disk reading position to the outer side of the machine core when carrying out disk output. The utility model is characterized in that the position for the disk to insert is also provided with a rolling shaft suction type structure for transmitting a fixing rolling shaft of the disk. A drive structure transmits the disk to the disk reading position when carrying out disk reading and transmits the disk from the disk reading position to the outer side of the machine core when carrying out disk output. The utility model has the advantages of short distance for manually disk transmitting, not easy deformation and damage, good hand feeling, simple drive structure, few transmitting links, stable drive and accurate disk position fixation by the rolling shaft.

Description

A kind of core of disk

Technical field:

The utility model relates to usefulness discs such as using disc and photomagneto disk and carries out the diskette machine movement that information writes down, particularly the roller inhalation type structure of the transmission disc of inhalation type machine core as carrier.

Background technology:

Because disc has high density, digital record, disc has become main data recording media, is widely used in the diskette machines such as CD, CD-ROM, VCD, DVD, LD and MD, gos deep into day by day in people's the life.Existing inhalation type machine core, when inserting disc, need with after one section bigger distance of hand insertion disc, disc just touches the signaling switch in the core of disk, open motor, by connecting gear disc is brought in the core of disk, and disc is placed on the position corresponding with spindle drive motor, carry out work such as read-write discs then by relevant device.Because people's hand is difficult to level and inserts disc and be difficult to firmly evenly when inserting, distance is long if hand inserts disc, disc easy deformation and being damaged, influence reads to coil quality, and if the distance that hand inserts when putting dish long, feel is bad.Also have, existing inhalation type machine core read to coil the time disc is sent to reads to coil the position and disc sent out the drives structure of movement and comprised motor, gear reduction and worm-and-wheel gear from reading to coil the position when going out dish, transmit disc when going into movement, because machine needs first driven gear reducing gear motion, gear reduction drives the worm-and-wheel gear motion again, transmission link is many, and complex structure influences the stationarity of transmission simultaneously.

Summary of the invention:

Fundamental purpose of the present utility model is to provide a kind of roller inhalation type structure of fixed roller that hand inserts the transmission disc of disc distance and the accurate inhalation type machine core of roller bearing transmission disk location that reduces.

Second purpose of the present utility model be to provide a kind of simple in structure, transmit link few, when stable transmission is read to coil disc is sent to when reading to coil the position and going out dish disc from reading to coil the drives structure that movement is sent out in the position.

Realize a kind of core of disk of the present utility model, comprise housing, when reading to coil disc be sent to when reading to coil the position and going out dish disc, also be provided with the roller inhalation type structure of the fixed roller that transmits disc in the position of inserting disc from reading to coil first conveyer, the read-write disk apparatus that outside movement, transmits the position and controlling first conveyer and the signaling switch of read-write disk apparatus.Owing to increased the roller inhalation type structure that transmits disc when inserting disc, just start disc roller inhalation type structure and transmit disc inserting very short distance, level is inserted disc and the even disc easy deformation and be damaged, influence and read to coil quality and feel is bad of being difficult to exert oneself because of people's hand is difficult to can not insert the long distance of disc because of hand, thus have good hand touch, disc is not easy distortion and is damaged, reads to coil the measured advantage of matter.

As improvement of the present utility model, described roller inhalation type structure comprises the roller bearing that is articulated on the housing, described roller bearing can not be moved, can only rotate, the roller bearing top board, drive first motor and the first worm and gear structure that roller bearing rotates, drive the 7th signaling switch that first motor begins just changeing when advancing dish, prevent the 9th signaling switch that the 7th signaling switch disturbs when driving the 8th signaling switch that first motor begins to reverse when going out dish and going out dish, on described the 7th signaling switch, be connected with delay control circuit, the 7th signaling switch, the 9th signaling switch, the 8th signaling switch is arranged in order along the direction that disc enters, to be disc withdrawing from when stopping on the movement outside the disc mulch-laying machine core area the 9th signaling switch to the residing position of the 8th signaling switch, the position of the 7th signaling switch is that disc is when withdrawing from stop position on the movement within the disc mulch-laying machine core area; Direct and the first worm and gear structure engages of first motor.When advancing dish, disc is compressed with roller bearing by the roller bearing top board and contacts, when disc arrives the 7th signaling switch location sensitive the 7th signaling switch, the 7th signaling switch just sends signal instruction first motor to be begun just to change and sends time delayed signal first motor when crossing the 8th signaling switch and just begin to stop operating, and jamproof the 9th signaling switch was in closure or disconnected all irrelevant this moment.Disc is driven by roller bearing and is sent to first conveyer, and disc can contact with the signaling switch of first conveyer, and the driving mechanism of first conveyer starts, and first conveyer is sent to the read-write discs position with disc; When going out dish, first conveyer transmits from the read-write discs position disc outside movement, when disc arrived the 8th signaling switch position and responds to the 8th signaling switch, the 8th signaling switch just sent signal instruction first motor and begins counter-rotating, and the roller bearing counter-rotating drives disc and outwards moves; When disc moved to the 9th signaling switch, the 9th signaling switch closure lost efficacy the 7th signaling switch; When disc moves to the 7th signaling switch, because the rotation that the interference of the 9th signaling switch makes the 7th signaling switch lose efficacy and can not produce the effect of signals roller bearing.When disc goes out after dish surpasses the 8th signaling switch position, first motor stops operating.When stopping, disc has covered the 9th signaling switch and the 7th signaling switch, and the 9th signaling switch is in open-circuit condition and disturbs the 7th signaling switch to lose efficacy, thereby prevents to disturb the first motor mistake to rotate.

As improvement of the present utility model, the roller inhalation type structure also comprise be fixed on the housing on, following fixed block, described the 7th signaling switch, the 8th signaling switch is an optoelectronic switch, comprise light emitting diode and photoresistance, on described the 7th signaling switch, be connected with delay control circuit, described roller bearing, light emitting diode and photoresistance, the 9th signaling switch is fixed on, on the following fixed block, upper surface at last fixed block is provided with the disc guide frame, described disc guide frame comprises a left side that is articulated in fixed block, right countervane, on a left side, extend respectively with the corresponding end that is articulated in an end on the stator on the right countervane and be provided with guidepost, on a left side, right countervane is articulated between the end on the stator and is connected with spring, is provided with the sliding tray of guidepost on last stator.On fixed block, be provided with the disc guide frame, when putting into disc, the disc guide frame is owing to reset under the effect of spring, and two guideposts keep minimum distance, along with the guidepost of putting into of disc slowly opens, thereby can remain disc and put into from the movement center.In order to make movement adapt to the disc of different-thickness, the roller bearing top board is rotatable, specifically can adopt the stationary shaft on roller bearing top board and the movement to articulate, and is provided with elastic body on the roller bearing top board, and described elastic body can be the arbitrary form in extension spring, stage clip, the torsion spring.

As a kind of improved procedure of the present utility model, described first conveyer comprises the transmission dish, on the transmission dish, be provided with one or more than one guide rods, correspondingly on the housing be provided with one or guide rail that one or more matches with guide rod, guide rail can be on sustained height, guide rail is arranged along the disc approach axis, the guide rail rear end seamlessly transits downwards crooked extends one section track parallel with guide rail at curved point down, and the corresponding transmission dish of following curved point of guide rail afterbody is brought into the disk tray position of spindle drive motor or the disc residing position of its guide rod in the disk tray position range time with disc.Bending one section track parallel of some extension down with guide rail, allow the guide rod of transmission dish be on the same down position plane, the distance in guaranteeing between saddle and disc is accurately fixed, and guarantees the read-write discs quality of disc; When going out dish, owing to slide, and then go up a slope, stored certain moment and gone up a slope this moment, thereby reduce the staring torque when dish; in advance Owing to be that the transmission dish moves up and down, equipment such as laser head, object lens do not move simultaneously, and laser head, object lens etc. effectively shock-absorbing also and between disc keep accurate relative position.

As improvement of the present utility model, the transmission dish comprises the interior saddle that props up disc, have the fluting that can expose disc read/write head movement on the interior saddle, be respectively equipped with the projection of arcuation in the position of two outside correspondences of interior saddle, the intermediate plate of saddle in being adjacent to is housed on the interior saddle, the rear end of intermediate plate is connected with interior saddle, the free end of intermediate plate front end for can in certain angle, overturning, intermediate plate, be provided with clinging structure between interior saddle, be adjacent to mutually between intermediate plate and interior saddle, convex with in the appropriate location of shell inner surface when the transmission dish is in the read-write disk location intermediate plate, the tripping device that interior saddle separates.Put between intermediate plate and saddle when disc, the clinging structure between intermediate plate, interior saddle clamps disc, and disc also can move between intermediate plate, interior saddle simultaneously, up to entering into corresponding position.Be respectively equipped with the projection of arcuation in the position of two outside correspondences of interior saddle, the surface of contact of saddle and inner walls in reducing, thus reduce the interior resistance of motion of saddle in housing.

As improvement of the present utility model, the transmission dish also comprises the disc compatible apparatus, the disc compatible apparatus comprises left disc compatible apparatus and right disc compatible apparatus separately, left side disc compatible apparatus and right disc compatible apparatus are movably connected in respectively on the transmission dish, the free end of the front end of left side disc compatible apparatus and right disc compatible apparatus for can in certain angle, overturning, be provided with first protuberance that inside surface is an arcuation at left disc compatible apparatus near appropriate location extension on the surface of intermediate plate, right disc compatible apparatus is provided with second protuberance that inside surface is an arcuation near extending on the surface of intermediate plate in the position corresponding with first protuberance, first protuberance and second protuberance form the small disc accommodation space that adapts with the small disc diameter, on interior saddle, also be provided with the big disk plate accommodation space that adapts with the big disk plate diameter, first protuberance and the second protuberance front end at the disc compatible apparatus, be provided with the disc distribution structure, the disc compatible apparatus, be provided with clinging structure between interior saddle, intermediate plate, the disc compatible apparatus, be adjacent to mutually between interior saddle.When putting into disc, contact disc distribution structure, because the compatible device of disc can overturn in certain angle, large and small disc enters into corresponding position, reaches the purpose of compatible big small disc.The disc compatible apparatus comprises left disc compatible apparatus and right disc compatible apparatus separately, makes the compatible device of disc fixing more reliable.

It is characterized in that as another kind of improved procedure of the present utility model first conveyer comprises disc transmission dish driving mechanism; The tooth bar that has chute and mesh at the edge of disc transmission dish turnover direction with driving mechanism; Also be provided with the read/write head elevating mechanism on the described movement; The pinion and rack of described disc transmission dish driving mechanism and read/write head elevating mechanism links with a motor with after pulley mechanism links to each other again; Being provided with disc driving disk when roller bearing enters disc transmission dish and puts in place in movement transmits the 11 signaling switch of disk startup and disc transmission dish and moves to the tenth binary signal switch that read and write position and read/write head rise and put in place and start working; On disc transmission dish, be provided with and the adapt disk tray of ccontaining disc of disc diameter, disk tray comprises the disc placement plane that can place disc, place the curved end that is provided with the location on the plane at disc, the hollow part which is provided with is the empty avoiding space corresponding to read/write head; Distance between the center of arc of roller bearing rear end face and disk tray is less than the radius size of small disc.Transmission dish with this kind structure, disc through roller bearing enter and by roller bearing in, disc places on the disk tray, thereby guarantees the stationarity that disc transmits and can not fall down from pallet.

As improvement of the present utility model, on the transmission dish, also be provided with the disc compatible apparatus of compatible big small disc, described disc compatible apparatus comprises described disk tray, and described disc is placed the plane and comprised that big disk plate concentric, that become stepped appearance can ccontaining big small disc compatibility enter placement is placed the plane and small disc is placed the plane; That described location curved end comprises is concentric, at the big disk plate location curved end and the small disc location curved end of sustained height; The extension of curved end both sides is provided with the first straight spigot surface and the second straight spigot surface in the big disk plate location along the disc approach axis, and the distance between the first straight spigot surface and the second straight spigot surface is greater than the diameter of big disk plate; The extension of curved end both sides is provided with the 3rd straight spigot surface and the 4th straight spigot surface in the small disc location along the disc approach axis, and the distance between the 3rd straight spigot surface and the 4th straight spigot surface is greater than the diameter of small disc; Place the guiding conical surface of the front end face of disk tray between plane and the small disc placement plane at big disk plate for the big small disc of identification; The pallet of big small disc becomes gradin indent formula to distribute, and small disc is placed the plane and is lower than big disk plate placement plane.When inserting small disc, after roller bearing changes over to, directly enter small disc and place in the plane, back induction the 11 induced signal switch drive electric motor starting gear that puts in place, rack gearing are sent to the read-write discs position with the transmission dish; When entering big disk plate, because of the big disk plate diameter exceeds the arc space that small disc is placed the plane, the disc edge at first contact guidance conical surface enters in the big disk plate placement plane, and back induction the 11 induced signal switch drive electric motor starting gear that puts in place, rack gearing are sent to the read-write discs position with the transmission dish.

As improvement of the present utility model, the read-write movement that the read/write head place is arranged at the frame hollow bulb of movement, the rear portion and the movement rear portion of read-write movement articulate, the front end of read-write movement links to each other with lifting support, two poles of lifting support and the both sides of frame articulate, under the slide block that laterally slides along movement in the movement front portion vertical skewed slot respectively with lifting support on lifter pin be and be slidingly matched, the pulley mechanism of described disc transmission dish driving mechanism and read/write head elevating mechanism has the motor pulley on the output shaft of motor, by the belt pulley driving coupling on drive pulley and the movement, pinion and rack by with the pinion wheel of belt pulley with rotating shaft, pinion wheel is meshed with middle gear on being contained in movement, be meshed with slide block gear on the slide block with the coaxial lower gear of middle gear, with middle gear coaxial cog be contained in movement on gear wheel be meshed, gear wheel is meshed with pallet tooth bar on the disc transmission dish.

As further improvement, described slide block constitutes L type section by transverse slat and riser, described skewed slot is positioned on the riser, the upper and lower end face of skewed slot respectively has the slick and sly level trough that connects, described slide block tooth bar is positioned at the transverse slat end of slide block, is provided with to prevent the flexible material of scratch disc on the pallet face of the big small disc of described transmission dish.

Realize a kind of inhalation type machine core of the present utility model, have that the distance of manually sending into disc is short, disc is not easy to be out of shape and damage, good hand touch, when reading to coil disc is sent to when reading to coil the position and going out dish with disc from read to coil the drives structure that to movement outside, transmits the position simple in structure, transmit that link is few, stable drive, roller bearing fix the accurate advantage of transmission disk location.

Description of drawings:

Fig. 1 is the three-dimensional exploded view of the utility model first embodiment;

Fig. 2 is the relative position synoptic diagram of first embodiment roller inhalation type structure and disc when going out dish and beginning;

Fig. 3 is the relative position synoptic diagram of first embodiment roller inhalation type structure and disc when going out dish and putting in place;

Fig. 4 is the relative position synoptic diagram of first embodiment roller inhalation type structure and disc when advancing dish and putting in place;

Fig. 5 is the relative position synoptic diagram of first embodiment roller inhalation type structure and disc when advancing dish and beginning;

Fig. 6 is the structural representation of second embodiment;

Fig. 7 is the vertical view behind removal disc transmission dish and the loam cake,

Fig. 8 is the view of the second embodiment slide block A-A.

Embodiment:

Extremely shown in Figure 5 as Fig. 1, the roller inhalation type structure comprises the last fixed block 53 that is fixed on the housing 27, following fixed block 61, be articulated in down the roller bearing 58 on the fixed block, described roller bearing 58 can not be moved, can only rotate, stationary shaft 159 on roller bearing top board 158 and the movement articulates, on roller bearing top board 158, be provided with extension spring 160, be fixed on, the first motor (not shown) and first worm gear 59 that driving roller bearing 58 on the following fixed block rotates, first worm screw 60, drive the 7th photosignal switch 63 that first motor begins just changeing when advancing dish, prevent the 9th signaling switch 66 that the 7th signaling switch disturbs motor to rotate when driving the 8th photosignal switch 64 that first motor begins to reverse when going out dish and going out dish, the 7th photosignal switch comprises light emitting diode 55 and photoresistance 57, the 8th photosignal switch comprises light emitting diode 54 and photoresistance 56, light emitting diode 54, light emitting diode 55 is fixed on the fixed block, photoresistance 56, photoresistance 57 is fixed on down on the fixed block.The 7th signaling switch 63, the 9th signaling switch 66, the 8th signal 64 switches are arranged in order along the direction that disc enters, to be disc withdrawing from when stopping on the movement outside the disc mulch-laying machine core area in the 8th signaling switch 64 residing positions, and the position of the 9th signaling switch 66, the 7th signal 63 switches is that disc is when withdrawing from stop position on the movement within the disc mulch-laying machine core area; Upper surface at last fixed block is fixed with the disc guide frame, the disc guide frame comprises left countervane, the right countervane 50 of similar L type, the return portion of left and right countervane 50 be articulated in fixed block upper surface, the position in corresponding pivot hole has clearance position on left and right countervane 50, on clearance position, be connected with spring 51, corresponding position of inserting disc is extended respectively and is provided with guidepost 52 on left and right countervane 50, is provided with the sliding tray 62 of guidepost on last stator.Place the cover plate on the housing to be provided with skylight 40, be provided with two light emitting diodes 41 in both sides near the housing in skylight 40.The transmission dish places on the housing 27 of socket 1 inboard; The transmission dish comprises the interior saddle 3 that props up disc, the part that contacts with disc at interior saddle 3 front ends is equipped with the rubber layer of the disc that prevents to wear and tear, on interior saddle 3, have the fluting 18 that can expose disc read/write head movement and with diameter be the disc accommodation space 26 that the disc diameter of 120mm adapts, its accommodation space 26 props up Pan Chu and is stained with flannelette avoiding abrading disc, is respectively equipped with the projection of arcuation in the position of two outside correspondences of interior saddle 3; Have direct worm and wormwheel structure 19 in the transmission tray bottom, left and right intermediate plate 4 is housed on the interior saddle 3, reaches compatible and limits the left and right disc compatible apparatus 5 that big small disc enters interior saddle 3 by the driving of motor 12 (not shown); Left and right intermediate plate 4 is connected with interior saddle 3 with left and right disc compatible apparatus 5 rear ends, and front end is a free end, can overturn in certain angle; A left side, right disc compatible apparatus 5 is on intermediate plate 4, intermediate plate 4 is on interior saddle 3, on interior saddle 3, entrust the disc place to be provided with first iron plate 7, the part that contacts with disc at intermediate plate 4 front ends is equipped with first magnet 8, be provided with counterbore at first magnet 8, on the position of corresponding first magnet 8 of interior saddle, extend the pillar that is provided with protrusion with intermediate plate, first magnet, 8 hot melts are fixed on the pillar, first iron plate 7 is inhaled mutually with first magnet 8 and is compressed disc, second iron plate 28 is housed on disc compatible apparatus 5, second iron plate 28 can be by a left side, inhale mutually with interior saddle 3 corresponding second magnet 6 right clamping piece 4 corresponding aperture positions, and disc compatible apparatus 5 sees through a left side, right clamping piece 4 is adjacent to interior saddle 3; Signaling switch comprises that the control small disc enters first signaling switch 111 that rear drive transmits disk startup through roller bearing, the 6th signaling switch 116 and big disk plate enter the secondary signal switch 112 that rear drive transmits disk startup through roller bearing, the 3rd signaling switch 113, first signal is opened 111 and is closed, the 6th signaling switch 116 is positioned on the disc compatible apparatus 5, secondary signal switch 112 and the 3rd signaling switch 113 are positioned on the saddle 3, first signaling switch 111 and the 6th signaling switch 116 polyphones, secondary signal switch 112 and the 3rd signaling switch 113 polyphones, first signaling switch 111, the series circuit and the secondary signal switch 112 at the 6th signaling switch 116 places, the series circuit parallel connection at the 3rd signaling switch 113 places, secondary signal switch 112, the 3rd signaling switch 113 is arranged in big disk plate and moves in movement and can contact simultaneously, and small disc moves in movement in the scope that can't touch simultaneously, and the outer control circuit of the parallel circuit at its place and movement links to each other; Be provided with first protuberance 53 that inside surface is an arcuation at left disc compatible apparatus 5 near appropriate location extension on the surface of intermediate plate 4, right disc compatible apparatus 5 is provided with second protuberance 54 that inside surface is an arcuation near extending on the surface of intermediate plate 4 in the position corresponding with first protuberance, first protuberance 53 and second protuberance 54 form with the small disc diameter adapt small disc accommodation space 9, a left side, right clamping piece 4 appropriate locations have the position, hole that adapts to first protuberance 53 and second protuberance 54, a left side, first protuberance 53 of right disc compatible apparatus 5 and second protuberance 54 see through a left side, right clamping piece 4 develops mutually with interior saddle 3 under magneticaction, has a guiding surface 10 between first protuberance 53 that it develops and second protuberance, 54 front end faces and lower surface; On the housing 27 of socket 1 both sides, be provided with wall 16, have wall groove 17 in the both sides of wall 16, wall groove 17 arranges along the disc approach axis, and has two or more wall groove 17 on a wall 16, and wall groove 17 can be on sustained height, on the position of wall 16, guide rod is housed at the transmission dish, guide rod places the transmission dish on the position of wall 16, and guide rod stretches into wall groove 17, in the rear end of wall groove 17, wall groove 17 is bent downwardly, and is bending one section track parallel with guide rail 42 of some extension down; When guide rod enters wall groove 17 and is bent downwardly, guide rod has two or more accordingly and inserts corresponding wall groove 17 respectively, can guarantee that like this transmission dish can isostatic movement, the residing position of its guide rod when the corresponding transmission dish of following curved point of wall groove 17 afterbodys is brought into disc in disk tray 24 positions of spindle drive motor or disk tray 24 position ranges; 16 of transmission dish and walls are connected by the worm and wormwheel 19 that is driven by motor 12, the stop means that prevents that transmission dish and worm and wormwheel 19 break away from is housed on the transmission dish, such as being the projection of stretching out to worm and wormwheel 19 directions, the appropriate location of the bottom of movement is provided with first projection 29 in housing 27, on the compatible device 5 of disc, be provided with second projection 30 corresponding with housing 27 bottom projections, on a left side, right clamping piece 4 is provided with three projection 31 corresponding with housing 27 bottom projections, near the transmission dish reaches down curved some during the position, when just reading and writing disk location, the transmission dish descends, first projection 29 jack-up, second projection 30 and the 3rd projection 31, thereby with intermediate plate 4, push up on disc compatible apparatus 5 and the disc and separate; Appropriate position, housing 27 bottom in movement is provided with one and advances the limit signal switch 114 that dish puts in place, limit signal switch 114 and worm and wormwheel 19 gearings the same side at housing.

After inserting small disc, when disc arrives the 7th signaling switch 63 location sensitives the 7th signaling switch 63, the 7th signaling switch 63 just sends signal instruction first motor to be begun just to change and sends time delayed signal first motor when crossing the 8th signaling switch 64 and just begin to stop operating, and this moment, jamproof the 9th signaling switch 66 was in closure or off-state is all irrelevant.In advancing the dish process, disc is compressed with roller bearing 58 by roller bearing top board 158 and contacts, small disc enters a left side, in the small disc accommodation space 9 of right clamping piece 4, small disc touches a left side when roller bearing enters into destination locations on the transmission dish, first signaling switch 111 and the 6th signaling switch 116 on the right disc compatible apparatus 5, circuit turn-on, open motor 12 and drive worm and wormwheel 19 rotations, thereby drive the worm and gear structure 19 that is engaged with, make and transmit rim wall groove 17 to the motion of 17 times curved some directions of wall groove, and disc is put on the disk tray 24 of spindle drive motor or disk tray 24 scopes, at this moment the guide rod of transmission dish has been in the crooked and track 42 parallel with guide rail of wall groove 17 tail down, and in wall groove 17 tracks to sinking, first projection 29 jack-up, second projection 30 and the 3rd projection 31, transmission dish and disc are thrown off, disc falls in the disk tray 24 of spindle drive motor, magnet head 25 falls, the back shake-up that puts in place is loaded on the limit signal switch 114 of this position, close motor 12, the rotation of drive shaft motor, and drive disc rotation beginning to read dish; When needing to take out disc, first drive mechanism of driving mechanism is pressed with the reverse action of upper type, when disc 65 arrived the 8th signaling switch 64 positions and responds to the 8th signaling switch 64, the 8th signaling switch 64 just sent the signal instruction motor and begins counter-rotating, and roller bearing 58 counter-rotatings drive disc and outwards move; When small disc moved to the 9th signaling switch 66, the 9th signaling switch 66 open circuits lost efficacy the 7th signaling switch 63; When disc goes out after dish surpasses the 8th signaling switch 64 positions, the 9th signaling switch 66 is in open-circuit condition, and motor stops operating, and disc takes out.

When inserting big disk plate, when disc arrives the 7th signaling switch 63 location sensitives the 7th signaling switch 63, the 7th signaling switch 63 just sends signal instruction first motor to be begun just to change and sends time delayed signal first motor when crossing the 8th signaling switch 64 and just begin to stop operating, and this moment, jamproof the 9th signaling switch 66 was in closure or off-state is all irrelevant.In advancing the dish process, because of the big disk plate diameter exceed first protuberance 53 and second protuberance 54 form with the small disc diameter adapt the diameter of small disc accommodation space 9, the disc edge at first contacts the guiding surface 10 of first protuberance 53 and second protuberance 54, first protuberance 53 of disc compatible apparatus 5 and second protuberance 54 are by the disc jack-up that makes progress, disc is entered in the disc accommodation space 26 of interior saddle 3, and compress by intermediate plate 4, two secondary signal switches 112 of the correspondence series connection of establishing on the saddle 3 in touching when entering into destination locations and the 3rd signaling switch 113, circuit turn-on, open motor 12 and directly drive worm and wormwheel 19 rotations, make and transmit rim wall groove 17 to the motion of 17 times curved some directions of wall groove, and disc is put on the disk tray 24 of spindle drive motor or disk tray 24 scopes, at this moment the guide rod of transmission dish has been in wall groove 17 reclinate parts, and in wall groove 17 tracks to sinking, first projection 29 jack-up, second projection 30 and the 3rd projection 31, transmission dish and disc are thrown off, disc falls in the disk tray 24 of spindle drive motor, magnet head 25 falls, the back shake-up that puts in place is loaded on the limit signal switch 114 of this position, close motor 12, the rotation of drive shaft motor, and drive disc rotation beginning to read dish; When needing to take out disc, first transfer structure of driving mechanism is pressed with the reverse action of upper type, when disc 65 arrived the 8th signaling switch 64 positions and responds to the 8th signaling switch 64, the 8th signaling switch 64 just sent the signal instruction motor and begins counter-rotating, and roller bearing 58 counter-rotatings drive disc and outwards move; When disc moved to the 9th signaling switch 66, the 9th signaling switch 66 open circuits lost efficacy the 7th signaling switch 63; When disc goes out after dish surpasses the 8th signaling switch 64 positions, the 9th signaling switch 66 is in open-circuit condition, and motor stops operating, and disc takes out.

If the small disc edge at first contacts the guiding surface 10 of first protuberance 53 and second protuberance 54, even the arc back-up ring 9 of disc compatible apparatus 5 is by the disc jack-up that makes progress, disc enters on the disc accommodation space 26 of interior saddle 3, because of disc can't contact secondary signal switch 112 and the 3rd signaling switch 113 simultaneously, circuit can't conducting, so small disc also can't enter in the movement.

Embodiment two

Extremely shown in Figure 8 as Fig. 2, the utility model roller inhalation type structure comprises the last fixed block 53 that is fixed on the housing 27, following fixed block 61, be articulated in down the roller bearing 58 on the fixed block, described roller bearing 58 can not be moved, can only rotate, roller bearing top board 158 articulates by stationary shaft 159 and movement, is provided with extension spring 160 on roller bearing top board 158.On, the first motor (not shown) and first worm gear 59 that driving roller bearing 58 on the following fixed block rotates, first worm screw 60, drive the 7th photosignal switch 63 that first motor begins just changeing when advancing dish, prevent the 9th signaling switch 66 that the 7th signaling switch disturbs motor to rotate when driving the 8th photosignal switch 64 that first motor begins to reverse when going out dish and going out dish, the 7th photosignal switch comprises light emitting diode 55 and photoresistance 57, the 8th photosignal switch comprises light emitting diode 54 and photoresistance 56, light emitting diode 54, light emitting diode 55 is fixed on the fixed block, photoresistance 56, photoresistance 57 is fixed on down on the fixed block.The 7th signaling switch 63, the 9th signaling switch 66, the 8th signaling switch 65 are arranged in order along the direction that disc enters, to be disc withdrawing from when stopping on the movement outside the disc mulch-laying machine core area in the 8th signaling switch 65 residing positions, and the position of the 9th signaling switch 66, the 7th signaling switch 63 is that disc is when withdrawing from stop position on the movement within the disc mulch-laying machine core area.Upper surface at last fixed block is fixed with the disc guide frame, the disc guide frame comprises left countervane, the right countervane 50 of similar L type, the return portion of left and right countervane 50 be articulated in fixed block upper surface, the position in corresponding pivot hole has clearance position on left and right countervane 50, on clearance position, be connected with spring 51, corresponding position of inserting disc is extended respectively and is provided with guidepost 52 on left and right countervane 50, is provided with the sliding tray 62 of guidepost on last stator.

Adopt common rack construction, be the quadro frame shape of hollow, by about two taeniaes 101 constitute with prebasal plate 102, the metacoxal plate 103 of front and back downside respectively.

First conveyer comprise can before and after the disc transmission dish 161, the driving mechanism of disc transmission dish 161 that slide; At the tooth bar 162 that has chute and mesh along disc transmission dish 161 turnover directions with driving mechanism; On disc transmission dish 161, also be provided with the disc compatible apparatus of compatible big small disc, the disc compatible apparatus comprises disk tray, that disk tray comprises is concentric, become big disk plate that stepped appearance can compatible large and small disc place plane 200, small disc place plane 201 and concentric, at the big disk plate location curved end 202 and the small disc location curved end 203 of sustained height; Extend the distance that is provided with between the first straight spigot surface 204 and second straight spigot surface 207, the first straight spigot surfaces 204 and the second straight spigot surface 207 diameter greater than big disk plate in curved end both sides, big disk plate location along the disc approach axis; The extension of curved end 203 both sides is provided with the 3rd straight spigot surface 205 and the 4th straight spigot surface (not shown) in the small disc location along the disc approach axis, and the distance between the 3rd straight spigot surface 205 and the 4th straight spigot surface is greater than the diameter of small disc; Place the guiding conical surface 206 of the front end face of disk tray between plane 200 and the small disc placement plane 201 at big disk plate for the big small disc of identification; The pallet of big small disc becomes gradin indent formula to distribute, and small disc is placed plane 201 and is lower than big disk plate placement plane 200; In movement, be provided with the 11 signaling switch (not shown) that disc driving disk when roller bearing enters disc transmission dish and puts in place transmits disk startup, on disk tray, also be provided with disc transmission dish and move to the tenth binary signal switch (not shown) that read and write position and read/write head rise and start working; The hollow part that the transmission dish is provided with is the empty avoiding space corresponding to read/write head; Distance between the center of arc of roller bearing rear end face and disk tray is less than the radius size of small disc.Be provided with the read-write movement 104 at read/write head place at the frame hollow bulb of movement, the rear portion of read-write movement 104 and movement metacoxal plate 103 articulate, the front end of read-write movement links to each other with lifting support 163, two poles of lifting support 163 and the both sides taeniae of frame 101 articulate, when lifting support rotates along hinge, read/write head movement 104 is that hinge rotates and lifting with the metacoxal plate pivoting point.The pinion and rack of disc transmission dish driving mechanism and read/write head elevating mechanism links with a motor with after pulley mechanism links to each other again; Slide block 118 constitutes L type section by transverse slat and riser, be installed on the L shaped front end of prebasal plate 102 bendings, slide block 118 can laterally slide at prebasal plate 102 upper edge movements, transverse slat end at slide block, direction of motion along slide block, be shaped on to open on the riser of slide block of common structure and be shaped on two skewed slots 120 that are parallel to each other, each slyness of the upper and lower end of skewed slot 120 is connected with level trough.Two skewed slots 120 are with two lifter pins 121 of lifting support 163 front ends respectively and are slidingly matched.Motor 122 is contained in prebasal plate 102 right part downsides, motor pulley 123 on the output shaft of motor (not shown), by belt pulley 125 driving coupling on drive pulley 124 and the movement, pinion and rack by with the pinion wheel 126 of belt pulley 125 with rotating shaft, pinion wheel 126 is meshed with middle gear 127 on being contained in movement, be meshed with slide block gear 119 on the slide block with the coaxial lower gear 128 of middle gear 127, with middle gear coaxial cog 129 be contained in movement on gear wheel 130 be meshed, gear wheel 130 is meshed with pallet tooth bar 162 on the disc transmission dish.Motor 122 is through belt gear and gear drive, driving slide block 118 and lifting read/write head movement 104, driving disk transmission dish 161 motions simultaneously.

After inserting large and small disc, when disc arrives the 7th signaling switch 63 location sensitives the 7th signaling switch 63, the 7th signaling switch 63 just sends signal instruction first motor to be begun just to change and sends time delayed signal first motor when crossing the 8th signaling switch 64 and just begin to stop operating, and this moment, jamproof the 9th signaling switch 66 was in closure or off-state is all irrelevant.

In advancing the dish process, disc is compressed with roller bearing 58 by roller bearing top board 158 and contacts, and enters movement under the drive of roller bearing 58; Disc enters in the read/write head read-write start range, when being inserted into destination locations, touches disc the 11 signaling switch, circuit turn-on, unlatching motor 122 drive belt pulleys 123, driving belt 124, belt pulley 125, pinion wheel 126, middle gear 127, lower gear 128, slide block tooth bar 119 drive slide blocks 118 and move to left, slide block 11 rises to N point by the M point with lifting support 163 all-in-one-pieces two lifter pins 121 in the skewed slot 120 of slide block, read/write head machine core 104 upwards rotates, and finishes the rising work of disc.Simultaneously, through with middle gear 127 with rotating shaft cog 129, gear wheel 130, pallet tooth bar 162, driving disk transmission dish 161 is finished into dish action.

In going out the dish process, the tenth binary signal switch (not shown) circuit turn-on is opened the counter-rotating of motor (not shown), drive belt pulley 123, driving belt 124, belt pulley 125, pinion wheel 126, middle gear 127, lower gear 128, slide block tooth bar 119 drive slide blocks 118 and move to right, slide block 118 drops to M point by the N point with lifting support 163 all-in-one-pieces two lifter pins 121 in the skewed slot 120 of slide block, read/write head movement 104 rotates, and finishes the disengaging work of disc.Simultaneously, through with middle gear 127 with rotating shaft cog 129, gear wheel 130, pallet tooth bar 162, driving disk transmission dish 161 is finished and is withdrawed from the dish action.When disc 65 arrives the 8th signaling switch 64 positions and responds to the 8th signaling switch 64, the 8th signaling switch 64 just sends the signal instruction motor and begins counter-rotating, when small disc moved to the 9th signaling switch 66, the 9th signaling switch 66 open circuits lost efficacy the 7th signaling switch 63; When disc goes out after dish surpasses the 8th signaling switch 64 positions, the 9th signaling switch 66 is in open-circuit condition, and motor stops operating, and disc takes out.

Claims

1. core of disk, comprise housing, when reading to coil disc be sent to when reading to coil the position and going out dish disc, it is characterized in that: the roller inhalation type structure that also is provided with the fixed roller that transmits disc in the position of inserting disc from reading to coil first conveyer, the read-write disk apparatus that outside movement, transmits the position and controlling first conveyer and the signaling switch of read-write disk apparatus.

2. a kind of core of disk as claimed in claim 1, it is characterized in that: described roller inhalation type structure comprises the roller bearing that is articulated on the housing, the roller bearing top board, drive first motor and the first worm and gear structure that roller bearing rotates, drive the 7th signaling switch that first motor begins just changeing when advancing dish, prevent the 9th signaling switch that the 7th signaling switch disturbs when driving the 8th signaling switch that first motor begins to reverse when going out dish and going out dish, on described the 7th signaling switch, be connected with delay control circuit, the 7th signaling switch, the 9th signaling switch, the 8th signaling switch is arranged in order along the direction that disc enters; To be disc withdrawing from when stopping on the movement outside the disc mulch-laying machine core area the residing position of the 8th signaling switch, and the position of the 9th signaling switch, the 7th signaling switch is that disc is when withdrawing from stop position on the movement within the disc mulch-laying machine core area; Direct and the first worm and gear structure engages of first motor.

3. a kind of core of disk as claimed in claim 2, it is characterized in that: the roller inhalation type structure also comprise be fixed on the housing on, following fixed block, described the 7th signaling switch, the 8th signaling switch is an optoelectronic switch, comprise light emitting diode and photoresistance, described roller bearing, light emitting diode and photoresistance, the 9th signaling switch is fixed on, on the following fixed block, upper surface at last fixed block is provided with the disc guide frame, described disc guide frame comprises a left side that is articulated in fixed block, right countervane, on a left side, extend respectively with the corresponding end that is articulated in an end on the stator on the right countervane and be provided with guidepost, on a left side, right countervane is articulated between the end on the stator and is connected with spring, is provided with the sliding tray of guidepost on last stator; Roller bearing top board axle on roller bearing top board and the movement articulates, and is provided with elastic body on the roller bearing top board, and described elastic body can be the arbitrary form in extension spring, stage clip, the torsion spring.

4. as the described any core of disk of claim 1 to 3, it is characterized in that: described first conveyer comprises the transmission dish, on the transmission dish, be provided with one or more than one guide rods, correspondingly on the housing be provided with one or guide rail that one or more matches with guide rod, guide rail can be on sustained height, guide rail is arranged along the disc approach axis, the guide rail rear end seamlessly transits downwards crooked extends one section track parallel with guide rail at curved point down, and the corresponding transmission dish of following curved point of guide rail afterbody is brought into the disk tray position of spindle drive motor or the disc residing position of its guide rod in the disk tray position range time with disc.

5. a kind of core of disk as claimed in claim 4, it is characterized in that: the transmission dish comprises the interior saddle that props up disc, have the fluting that can expose disc read/write head movement on the interior saddle, be respectively equipped with the projection of arcuation in the position of two outside correspondences of interior saddle, the intermediate plate of saddle in being adjacent to is housed on the interior saddle, the rear end of intermediate plate is connected with interior saddle, the free end of intermediate plate front end for can in certain angle, overturning, intermediate plate, be provided with clinging structure between interior saddle, be adjacent to mutually between intermediate plate and interior saddle, convex with in the appropriate location of shell inner surface when the transmission dish is in the read-write disk location intermediate plate, the tripping device that interior saddle separates.Put between intermediate plate and saddle when disc, the clinging structure between intermediate plate, interior saddle clamps disc, and disc also can move between intermediate plate, interior saddle simultaneously, up to entering into corresponding position.Be respectively equipped with the projection of arcuation in the position of two outside correspondences of interior saddle, the surface of contact of saddle and inner walls in reducing, thus reduce the interior resistance of motion of saddle in housing.

6. a kind of core of disk as claimed in claim 5, it is characterized in that: the transmission dish also comprises the disc compatible apparatus, the disc compatible apparatus comprises left disc compatible apparatus and right disc compatible apparatus separately, left side disc compatible apparatus and right disc compatible apparatus are movably connected in respectively on the transmission dish, the free end of the front end of left side disc compatible apparatus and right disc compatible apparatus for can in certain angle, overturning, be provided with first protuberance that inside surface is an arcuation at left disc compatible apparatus near appropriate location extension on the surface of intermediate plate, right disc compatible apparatus is provided with second protuberance that inside surface is an arcuation near extending on the surface of intermediate plate in the position corresponding with first protuberance, first protuberance and second protuberance form the small disc accommodation space that adapts with the small disc diameter, on interior saddle, also be provided with the big disk plate accommodation space that adapts with the big disk plate diameter, first protuberance and the second protuberance front end at the disc compatible apparatus, be provided with the disc distribution structure, the disc compatible apparatus, be provided with clinging structure between interior saddle, intermediate plate, the disc compatible apparatus, be adjacent to mutually between interior saddle.

7. as a kind of core of disk as described in the arbitrary claim of claim 1 to 3, it is characterized in that first conveyer comprises disc transmission dish driving mechanism; The tooth bar that has chute and mesh at the edge of transmission dish turnover direction with driving mechanism; Also be provided with the read/write head elevating mechanism on the described movement; The pinion and rack of described disc transmission dish driving mechanism and read/write head elevating mechanism links with a motor with after pulley mechanism links to each other again; In movement, be provided with disc when roller bearing enters disc transmission dish and puts in place, start the 11 signaling switch of disc transmission dish motion and disc transmission dish and move to the tenth binary signal switch that read and write position and read/write head rise and put in place and start working; On disc transmission dish, be provided with and the adapt disk tray of ccontaining disc of disc diameter, disk tray comprises the disc placement plane that can place disc, place the curved end that is provided with the location on the plane at disc, the hollow part which is provided with is the empty avoiding space corresponding to read/write head; Distance between the center of arc of roller bearing rear end face and disk tray is less than the radius size of small disc.

8. a kind of core of disk as claimed in claim 7, it is characterized in that on the transmission dish, also being provided with the disc compatible apparatus of compatible big small disc, described disc compatible apparatus comprises described disk tray, and described disc is placed the plane and comprised that big disk plate concentric, that become stepped appearance can ccontaining big small disc compatibility enter placement is placed the plane and small disc is placed the plane; That described location curved end comprises is concentric, at the big disk plate location curved end and the small disc location curved end of sustained height; The extension of curved end both sides is provided with the first straight spigot surface and the second straight spigot surface in the big disk plate location along the disc approach axis, and the distance between the first straight spigot surface and the second straight spigot surface is greater than the diameter of big disk plate; The extension of curved end both sides is provided with the 3rd straight spigot surface and the 4th straight spigot surface in the small disc location along the disc approach axis, and the distance between the 3rd straight spigot surface and the 4th straight spigot surface is greater than the diameter of small disc; Place the guiding conical surface of the front end face of disk tray between plane and the small disc placement plane at big disk plate for the big small disc of identification; The pallet of big small disc becomes gradin indent formula to distribute, and small disc is placed the plane and is lower than big disk plate placement plane.

9. a kind of core of disk as claimed in claim 8, it is characterized in that frame hollow bulb at movement has the read-write movement at read/write head place, the rear portion and the frame rear portion of read-write movement articulate, the front end of read-write movement links to each other with lifting support, two poles of lifting support and the both sides of frame articulate, under the slide block that laterally slides along movement in the movement front portion vertical skewed slot respectively with lifting support on lifter pin be and be slidingly matched, the pulley mechanism of described disc transmission dish driving mechanism and read/write head elevating mechanism has the motor pulley on the output shaft of motor, by the belt pulley driving coupling on drive pulley and the movement, pinion and rack by with the pinion wheel of belt pulley with rotating shaft, pinion wheel is meshed with middle gear on being contained in movement, be meshed with slide block gear on the slide block with the coaxial lower gear of middle gear, with middle gear coaxial cog be contained in movement on gear wheel be meshed, gear wheel is meshed with pallet tooth bar on the disc transmission dish.

10. any core of disk as claimed in claim 9, it is characterized in that described slide block constitutes L type section by transverse slat and riser, described skewed slot is positioned on the riser, and the upper and lower end face of skewed slot respectively has the slick and sly level trough that connects, and described slide block tooth bar is positioned at the transverse slat end of slide block; On the pallet face of the big small disc of described transmission dish, be provided with to prevent the flexible material of scratch disc.