CN201570262U - Automatic disk grasping device for compact disk server - Google Patents
Automatic disk grasping device for compact disk server Download PDFInfo
- Publication number
- CN201570262U CN201570262U CN2009202759800U CN200920275980U CN201570262U CN 201570262 U CN201570262 U CN 201570262U CN 2009202759800 U CN2009202759800 U CN 2009202759800U CN 200920275980 U CN200920275980 U CN 200920275980U CN 201570262 U CN201570262 U CN 201570262U
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- China
- Prior art keywords
- catching plate
- plate device
- disk
- mechanical arm
- server
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Abstract
The utility model discloses an automatic disk grasping device for a compact disk server, which comprises a disk grasping device mechanical arm which is elevated along a mechanical hand elevator of the compact server and a disk grasping device which is arranged on the disk grasping device mechanical arm, and the disk grasping device mechanical arm is provided with a longitudinal and a transverse inching displacement devices which facilitate the horizontally longitudinal and transverse displacement of the disk grasping device, and a position judging device for judging the relative position between the disk grasping device and a central circular hole of the compact disk. The automatic disk grasping device has high grasping precision, can correctly pass through the central circular hole of the compact disk, reduces the possible friction between the compact disk and the tray during the loading process of the disk grasping device, and can better protect the compact disk.
Description
Technical field
The utility model relates to a kind of automatic catching plate device that is used for CD server.
Background technology
CD server be a kind of be the mass data storage device of the optical, mechanical and electronic integration of data storage medium with the standardization CD, be widely used in long-term and the permanent data of preserving.CD server links to each other with computing machine by data communication interface, and the management software by CD server makes that the data on all CDs can automatically offer the user in the CD server, simultaneously also write data on the CD in CD server easily.The theory structure of the CD server of a kind of typical commercialization and modular design as shown in Figure 1.CD server 1 among Fig. 1 is by CD cassette 2, CD-ROM drive 3, and with the mechanical arm assembly that CD 8 transmits between CD cassette 2 and CD-ROM drive 3, motor-driven control module and CD mailbox are formed.Wherein mechanical arm assembly comprise mechanical arm take out the dish device 4, mechanical arm catching plate device 5 and manipulating hoist 6, mechanical arm is taken out dish device 4 and mechanical arm catching plate device 5 can be along with manipulating hoist 6 liftings, mechanical arm is taken out dish device 4 and is used for taking out the optical disc tray 7 that pushes away in the CD cassette 2, and 5 of mechanical arm catching plate devices are used for grasping CD 8.
When reading work, manipulating hoist 6 liftings are to correct position, mechanical arm is taken out one deck optical disc tray 7 that dish device 4 is extracted out in the CD cassette 2, mechanical arm catching plate device 5 is picked up the CD 8 in this optical disc tray 7, mechanical arm is taken out dish device 4 and optical disc tray 7 is closed again, manipulating hoist 6 liftings then, mechanical arm catching plate device 5 are placed on CD 8 on the CD-ROM drive 3 and read for CD-ROM drive 3; In the time of will putting back to the CD in the CD-ROM drive 38 on the optical disc tray 7, step be just in time with above-mentioned opposite.
The catching plate device is one of most crucial parts of CD server, and its quality directly has influence on overall optical the make an inventory of goods in a warehouse performance and the quality of system.According to the difference of structure design principle, the method for catching plate has varied in the CD server.At present common catching plate device can be divided into two big classes: a kind of is that center hole by CD comes catching plate and delivers, and another kind has the special-purpose cd pallet, and it delivers CD by the mechanical transmission optical disc tray.Generally speaking, first kind catching plate device has more advantage, mainly is the standard CD-ROM drive that can use without transforming; Succinct economy of physical construction and cassette are convenient to off-line and are moved back etc.
The simple principle of work of CD server catching plate device as shown in Figure 2, pallet 10 can be a CD cassette among the figure, CD drive, the pallet of CD mailbox and cd printer.The structure of catching plate device 5 as shown in Figure 3, it mainly comprises a columniform shell 51, the catching plate device loam cake 56 that is positioned at the solenoid valve of shell 51 and is covered on shell 51 tops, the bottom of described shell 51 is a conical nose, described solenoid valve comprises magnet coil 52, moving magnet 55 and the taper connection that is connected with moving magnet 55 53, be provided with several small sircle holes around shell 51 circumferential circles on the described shell 51, be folded with some little steel balls 54 in the described small sircle hole and between the taper connection 53, the diameter of little steel ball 54 is larger than the diameter of small sircle hole, makes little steel ball 54 can not deviate from small sircle hole.Moving magnet 55 drove taper connections 53 and moved upward under the magneticaction of magnet coil 52 solenoid valve when energising, drove the little steel ball 54 that is adsorbed on the taper connection 53 simultaneously and inwardly withdrew.This moment, catching plate device head can sink to penetrating in the middle circular hole 81 of CD, saw Fig. 4 a and 4b.
In this state, if catching plate device solenoid valve is oppositely powered, moving magnet 55 and taper connection 53 will move downward, and the little steel ball 54 that will be adsorbed on simultaneously on the taper connection 53 is outwards extruded, and protrudes in shell 51 outer little steel ball 54 outer rims CD 8 is stuck on the catching plate device 5.This action is called loading catching plate device, sees Fig. 4 c, and catching plate device 5 can be transported to any one appointed positions with the CD that loads by the lifter of CD server at this moment.After arriving the intended target position, after CD 8 was ready, taking out dish device 5 can be placed on the CD 8 that loads on the pallet 10 reposefully, and this moment, catching plate device 5 little steel ball 54 was drawn back, and saw Fig. 4 b, and the catching plate device can be extracted out from cd centre's circular hole 81, sees Fig. 4 a.This course of action is called unloading catching plate device.Facts have proved that this catching plate device can reliablely and stablely work.
But there is a shortcoming in above-mentioned catching plate method.As shown in Figure 5, when CD 8 was placed on the pallet 10, both relative positions had certain tolerance.Therefore when loading the catching plate device, the center of circle of the axial line of catching plate device 5 and CD 8 always exists a little stochastic error 16.Clearly, in the process that loads the catching plate device, this error 16 is to revise by the conical nose of catching plate device 5.This makes error 16 be converted into tangential movement 17.Because CD 8 is placed directly on the pallet 10, this just makes and has produced a little friction between the two.Under normal conditions, because this friction is very little, so matcoveredn again on the CD media is little to the wearing and tearing of CD 8.If but CD 8 frequently loaded by catching plate device 5, CD is had certain damage.This preservation life-span to CD has produced negative effect.
Summary of the invention
The utility model purpose provides a kind of automatic catching plate device that is used for CD server; its catching plate precision height; the catching plate device can pass cd centre's circular hole more accurately, reduced to load the CD that might occur in the catching plate device process and the friction between the pallet, better protection CD.
The technical solution of the utility model is: a kind of automatic catching plate device that is used for CD server, comprise with the catching plate device mechanical arm of the manipulating hoist lifting of CD server and be located at catching plate device on the catching plate device mechanical arm that described catching plate device mechanical arm is provided with and makes vertical fine motion gearshift of the horizontal respectively vertical and horizontal displacement of catching plate device and laterally fine motion gearshift and the position judgment device that is used to judge relative position between catching plate device and the cd centre's circular hole.Wherein the fine motion gearshift of vertical and horizontal and position judgment device all are electrically connected with the control module of CD server, and controlled unit controls also will be fed back control module.Vertically three moving directions of the manipulating hoist that moves, the vertical fine motion gearshift that moves horizontally and horizontal fine motion gearshift become the orthogonal X in space, Y and Z axle to distribute.When position judgment device is judged the catching plate device not over against cd centre's circular hole, send signal and give control module, control module is controlled horizontal and vertical fine motion gearshift again and is moved, and position judgment device is judged once more then, and so forth, till catching plate device alignment light disk center circular hole.
Further, at the above-mentioned automatic catching plate device that is used for CD server, described horizontal fine motion gearshift is located between described catching plate device mechanical arm and the manipulating hoist, and described vertical fine motion gearshift is located between catching plate device and the catching plate device mechanical arm.Wherein manipulating hoist comprises fixing riser guide and the vertical sliding part that can vertically slide with respect to riser guide; Laterally the fine motion gearshift comprises and the fixing crosswise fixed guide rail of described vertical sliding part and can be with respect to the horizontal sliding part of crosswise fixed guide rail horizontal sliding; Vertically the fine motion gearshift comprises and the fixing vertical fixed guide of described horizontal sliding part and can be with respect to the longitudinal sliding motion portion of the horizontal longitudinal sliding motion of vertical fixed guide.Described catching plate device is fixed in the described longitudinal sliding motion portion, and the catching plate device just can be free to slide on three directions like this.
Further, at the above-mentioned automatic catching plate device that is used for CD server, described fine motion gearshift is linear electric motors gearshift or piezoelectric crystal gearshift.Certainly, other device of purpose that can realize the fine motion displacement also can here use.
Further, at the above-mentioned automatic catching plate device that is used for CD server, described position judgment device is the electronic imaging apparatus that is fixed on the catching plate device mechanical arm, as common CCD camera.Electronic imaging apparatus is fixed on the catching plate device mechanical arm, like this catching plate device apart from CD certain distance scope in, the part of catching plate device and cd centre's circular hole can imaging on the imaging surface of electronic imaging apparatus.Because the electronic imaging apparatus fixed focal length, also immobilize with respect to the position of catching plate device mechanical arm, therefore can calculate catching plate device mechanical arm when moving up and down the catching plate device apart from the distance of CD.Can rule of thumb set a sampled distance, make the catching plate device apart from CD during to this sampled distance, electronic imaging apparatus is gathered the image of catching plate device and cd centre's circular hole.Obtain in advance the image of the least error point that the center of circle in catching plate device axle center and cd centre's circular hole overlaps when this sampled distance by experiment.The image that this is collected transfers in the control module then, compares with above-mentioned least error dot image.If in the alternate position spike scope that can pass through, then control module sends signal and gives the catching plate device, and the catching plate device loads the action of catching plate device; If the alternate position spike scope that can pass through is found to have exceeded in the comparison back, then calculate the offset correction of horizontal and vertical two directions to best center of circle coincide point, and send signal and give horizontal fine motion gearshift and vertical fine motion gearshift, make it move corresponding offset correction respectively, and then images acquired, compare, the structure after comparison is in the alternate position spike scope that can pass through.
The utility model advantage is:
1, the utility model makes the catching plate device when catching plate is operated by the fine motion gearshift of position judgment device and level, and the CD that do not rub has basically reached automatically the accurately purpose of catching plate.
2, the utility model can be judged the situation of CD and mechanical arm catching plate device malposition and provide warning by position judgment device, can avoid the maloperation of machinery so effectively, improves the reliability of device.
Description of drawings
Fig. 1 is the structural representation of prior art CD server;
Fig. 2 is the simple fundamental diagram of catching plate device;
Fig. 3 is the inner structure synoptic diagram of catching plate device;
Fig. 4 a-4d carries out the process synoptic diagram of loading and unloading for the catching plate device;
Fig. 5 is the position deviation synoptic diagram of catching plate device and CD;
Fig. 6 is the structural representation of the utility model specific embodiment;
Fig. 7 is the synoptic diagram of the utility model specific embodiment catching plate.
Wherein: 1 CD server; 2 CD cassettes; 3 CD-ROM drives; 4 mechanical arms are taken out the dish device; 5 catching plate devices; 51 shells; 52 magnet coils; 53 taper connection heads; 54 little steel balls; 55 moving magnets; 56 catching plate device loam cakes; 6 manipulating hoists; 7 optical disc trays; 8 CDs; 81 cd centre's circular holes; 9 position judgment devices; 10 pallets; 11 catching plate device mechanical arms; 12 is vertical; 13 is horizontal; 14 vertical fine motion gearshifts; 15 horizontal fine motion gearshifts; 16 stochastic errors; 17 tangential movements.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: as shown in Figure 6 and Figure 7, a kind of automatic catching plate device that is used for CD server, comprise with the catching plate device mechanical arm 11 of manipulating hoist 6 liftings of CD server 1 and be located at catching plate device 5 on the catching plate device mechanical arm 11 that described catching plate device mechanical arm 11 is provided with and makes catching plate device 5 vertical fine motion gearshift 14 and laterally the fine motion gearshift 15 and the position judgment device 9 that is used to judge relative position between catching plate device 5 and the cd centre's circular hole 81 of level vertical 12 and horizontal 13 displacements respectively.
Described horizontal fine motion gearshift 15 is for being located at the linear electric motors gearshift between described catching plate device mechanical arm 11 and the manipulating hoist 6, and described vertical fine motion gearshift 14 is for being located at the linear electric motors gearshift between catching plate device 5 and the catching plate device mechanical arm 11.
Described position judgment device 9 is for being fixed on the CCD camera on the catching plate device mechanical arm 11.
The utility model catching plate precision height, the catching plate device can pass cd centre's circular hole more accurately, reduced to load the CD that might occur in the catching plate device process and the friction between the pallet, better protection CD.
Claims (4)
1. automatic catching plate device that is used for CD server, comprise with the catching plate device mechanical arm (11) of manipulating hoist (6) lifting of CD server (1) and be located at catching plate device (5) on the catching plate device mechanical arm (11), it is characterized in that: described catching plate device mechanical arm (11) is provided with and makes catching plate device (5) vertically vertical fine motion gearshift (14) of (12) and laterally (13) displacement and horizontal fine motion gearshift (15) and the position judgment device (9) that is used to judge relative position between catching plate device (5) and the cd centre's circular hole (81) of level respectively.
2. the automatic catching plate device that is used for CD server according to claim 1, it is characterized in that: described horizontal fine motion gearshift (15) is located between described catching plate device mechanical arm (11) and the manipulating hoist (6), and described vertical fine motion gearshift (14) is located between catching plate device (5) and the catching plate device mechanical arm (11).
3. the automatic catching plate device that is used for CD server according to claim 1 is characterized in that: described fine motion gearshift is linear electric motors gearshift or piezoelectric crystal gearshift.
4. the automatic catching plate device that is used for CD server according to claim 1 is characterized in that: described position judgment device (9) is for being fixed on the electronic imaging apparatus on the catching plate device mechanical arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202759800U CN201570262U (en) | 2009-12-23 | 2009-12-23 | Automatic disk grasping device for compact disk server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202759800U CN201570262U (en) | 2009-12-23 | 2009-12-23 | Automatic disk grasping device for compact disk server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201570262U true CN201570262U (en) | 2010-09-01 |
Family
ID=42662561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202759800U Expired - Lifetime CN201570262U (en) | 2009-12-23 | 2009-12-23 | Automatic disk grasping device for compact disk server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201570262U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275697A (en) * | 2014-10-27 | 2015-01-14 | 哈尔滨众德合创智能装备有限责任公司 | Mechanical arm mechanism for moving compact disc (CD) |
| CN106945022A (en) * | 2017-03-22 | 2017-07-14 | 广东工业大学 | A kind of optical pickup device |
| CN107578786A (en) * | 2017-08-15 | 2018-01-12 | 曾美枝 | A kind of optical disc storage and divide disk device |
-
2009
- 2009-12-23 CN CN2009202759800U patent/CN201570262U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275697A (en) * | 2014-10-27 | 2015-01-14 | 哈尔滨众德合创智能装备有限责任公司 | Mechanical arm mechanism for moving compact disc (CD) |
| CN106945022A (en) * | 2017-03-22 | 2017-07-14 | 广东工业大学 | A kind of optical pickup device |
| CN107578786A (en) * | 2017-08-15 | 2018-01-12 | 曾美枝 | A kind of optical disc storage and divide disk device |
| CN107578786B (en) * | 2017-08-15 | 2019-06-21 | 北京中科开迪软件有限公司 | A kind of optical disc storage and divide disk device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |
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| CX01 | Expiry of patent term |