CN202034035U - Optical pickup device core - Google Patents
Optical pickup device core Download PDFInfo
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- CN202034035U CN202034035U CN2011200262449U CN201120026244U CN202034035U CN 202034035 U CN202034035 U CN 202034035U CN 2011200262449 U CN2011200262449 U CN 2011200262449U CN 201120026244 U CN201120026244 U CN 201120026244U CN 202034035 U CN202034035 U CN 202034035U
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- slide bar
- baffle plate
- stage clip
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- base plate
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Abstract
The utility model an optical pickup device core comprising a bottom plate component, a rotary movement part, a sliding transmission mechanism, a sliding rod component and an optical pickup device; the bottom plate component comprises a bottom plate and a sliding rod base, the bottom plate comprises a base plate, an installing plate and a sliding rod baffle, the rotary movement part comprises a main shaft motor and a rotary table, the sliding rod component comprises a main sliding rod, a secondary sliding rod, a first sliding rod installing component and a second sliding rod installing component, the front end of the main sliding rod is arranged in the corresponding sliding rod baffle and is elastically positioned on the bottom plate through the first sliding rod installing component, the rear end of the main sliding rod as well as the front end and the rear end of the secondary sliding rod are respectively arranged between the corresponding sliding rod baffles and are positioned on the bottom plate up and down through the second sliding rod installing component and the corresponding sliding rod base, the sliding transmission mechanism is arranged on the installing plate of the bottom plate from downside, the optical pickup device is in sliding connection with the main sliding rod and the secondary sliding rod in a back and forth manner, and a power input part of the optical pickup device is matched with a power output part of the sliding transmission mechanism in a matching manner.
Description
Technical field
The utility model relates to a kind of parts of CD player.
Background technology
Optical pickup unit core focuses on the optical disc surface (being the information faces of CD) of storage data by the laser that light picker sends, and follows the laser of the different reflectivity that reflects by reception, the data of identification record in disc.When reading of data, light picker must remain the laser beam of sending and have the vertical reflection loop, and good focusing is arranged on CD, this movement locus face that just requires light picker not only will with the information faces keeping parallelism of CD, also to keep a metastable distance simultaneously with the information faces of CD.At present, the develop rapidly of blue light technology, because the packing density of Blu-ray Disc is very big, the precision that light picker is moved has also had higher requirement, requires light picker track that laser beam moves in moving process and CD rotation normal to coincide.Described CD rotation normal is meant the straight line radially by the CD center of circle.
Optical pickup unit core has bottom deck assembly, rotating moving part, slides drive disk assembly, guide rod assembly and light picker.Rotating moving part is used for supporting CD and do stably high speed rotary motion when making its work so that light picker reads the data in the CD or write data in CD; The guide rod of guide rod assembly is used for supporting light picker and is its guiding, can reach to the depth of parallelism between the information faces of the movement locus face of light picker and CD with apart from the purpose of controlling by the adjustment to the guide rod inclination angle; Sliding drive disk assembly is used for making it along the guide rod easy motion to the light picker outputting power.
Chinese patent literature CN2560063Y(application number 02241182.8) the two guide rod three-point fix adjusting gears of a kind of CD-ROM drive is disclosed, this device relates to a kind of optical pickup unit core, CD-ROM drive bulk 10 wherein is the bottom deck assembly of above-mentioned optical pickup unit core, and first guide rod 20, second guide rod 20, positioning body 40 and pressing plate 50 in this device are the guide rod assembly of above-mentioned optical pickup unit core; Wherein first guide rod 10 and second guide rod 20 place the both sides of CD-ROM drive bulk 10 respectively, make positioning body 40 can press on the two ends of first guide rod 10 and an end of second guide rod 20, and an end of the two ends of first guide rod 10 and second guide rod 20 places 14 of corresponding backup plates respectively, and utilizes pressing plate 50 to compress positioning body 40; CD-ROM drive bulk 10 is provided with respectively at the corresponding screw hole 16 of an end of the two ends of first guide rod 10 and second guide rod 20 and screw 17 interlockings is arranged on screw hole 16; The other end of second guide rod 20 is plugged in the holder 13 of CD-ROM drive bulk 10; The position of regulating guide rod by screw and positioning body 40 makes the movement locus face of light picker be parallel to the disc information face.The movement locus face inclination angle that can only regulate light picker by this regulating device makes it to be parallel to the information faces of CD, and it is better to make that the trajectory of the laser beam of light picker in moving process and CD rotate the normal registration by the method for adjusting.
Summary of the invention
The purpose of this utility model provides a kind of compact conformation, kinematic accuracy height, dependable performance, and can make trajectory of the laser beam and the CD of light picker in moving process rotate normal registration optical pickup unit core preferably by adjusting.
The technical scheme that realizes the utility model purpose is that a kind of optical pickup unit core comprises bottom deck assembly, rotating moving part, slides gear train, slide bar assembly and light picker;
Bottom deck assembly comprises base plate and slider block; Base plate is a steel integrated punching spare, comprises substrate, installing plate and slide bar baffle plate; The central part of substrate has medium pore; Installing plate is horizontally disposed with, and the flanging downward by its right side is connected on the substrate from the top, and is positioned at the middle part of right side edge of the medium pore of substrate; Slide bar baffle plate vertical setting and be connected on the substrate from the below; Slider block has 3, all from upper fixed on substrate, and lay respectively at the left front portion of substrate, left back and right back portion;
Rotating moving part comprises spindle motor and turntable; Turntable is fixed on the upper end of motor shaft of spindle motor; Spindle motor is fixed on the base plate by its casing, perhaps be fixedly connected on the plate body that is fixed in the motor mounting plate on the base plate, and spindle motor is positioned at the front, center position of base plate;
The slide bar assembly comprises main slide bar, secondary slide bar, the first slide bar installation component and 3 second slide bar installation components; Light picker upwards exposes from the medium pore of base plate; The front end bar section of main slide bar is arranged in the corresponding slide bar baffle plate, by the first slide bar installation component on the upward and downward and about upwards elasticity be positioned on the base plate, and the first slide bar installation component can be adjusted the assembly of the position of front end bar section on left and right directions of main slide bar when being to use; The rear end bar section of the front end bar section of the rear end bar section of main slide bar, secondary slide bar and secondary slide bar is separately positioned between the corresponding slide bar baffle plate, be positioned on the base plate by corresponding one second slide bar installation component and corresponding slider block upward and downward elasticity, and each second slide bar installation component can be adjusted the assembly of the corresponding position of end bar section on above-below direction of the front and back end of corresponding slide bar when being to use; Slide gear train and be arranged on the installing plate of base plate, and be positioned at the right-hand of main slide bar from the below; Be slidingly connected before and after light picker and main slide bar and the secondary slide bar; The power input component of light picker is connected movingly with the power output that slides gear train.
Above-mentioned base plate also comprises register pin and downward lug boss; Substrate also is provided with 3 mount pad portions on its plate body, be equipped with perforation position along the vertical direction on the plate body of each mount pad portion, and described perforation position is mounting hole or mounting groove; The slide bar baffle plate has 8, is divided into the left front first slide bar baffle plate of front end of the left side edge of the medium pore that is positioned at substrate, be positioned at substrate medium pore forward edge left end and be positioned at the left front second slide bar baffle plate of the first slide bar baffle plate right front, be positioned at the adjacent left back first slide bar baffle plate and the left back second slide bar baffle plate in the left and right sides of left back of the medium pore of substrate, be positioned at the right front first slide bar baffle plate of right-hand member of forward edge of the medium pore of substrate, be positioned at substrate right front portion the right front second slide bar baffle plate and be positioned at the adjacent right back first slide bar baffle plate and the right back second slide bar baffle plate in the left and right sides of right back of the medium pore of substrate; The left back first slide bar baffle plate is positioned at the dead astern of the left front first slide bar baffle plate; The left back second slide bar baffle plate is positioned at the dead astern of the left front second slide bar baffle plate; Have sliding rod hole on the right front first slide bar baffle plate, and be positioned at the dead astern of the right front second slide bar baffle plate; Right back first slide bar baffle plate and the right back second slide bar baffle plate are positioned at the dead astern of the right front first slide bar baffle plate; Register pin has 2, is positioned at the right front of the semicircle orifice of substrate, towards downwards, and is divided into first register pin and second register pin according to the left and right directions setting; Downwards lug boss is arranged on the lower surface of substrate and between right front first slide bar baffle plate and the right front second slide bar baffle plate;
Each slider block is the integrated through injection molding part, and the bottom of each slider block is equipped with towards downward stage clip post, is provided with pressure spring slot between the pedestal of each stage clip post and slider block separately; 3 slider blocks are divided into left front slider block, left back slider block and right back slider block according to the position that distributes; By screw with each slider block from upper fixed in a corresponding mount pad portion of the substrate of base plate, left front slider block is positioned in the mount pad portion of left front portion of substrate, left back slider block is positioned in the mount pad portion of left back portion of substrate, right back slider block is positioned in the mount pad portion of right back portion of substrate, and the stage clip post of each slider block stretches into downwards in the perforation position of corresponding mount pad portion.
The first slide bar installation component of above-mentioned slide bar assembly comprises reed and spacing double-screw bolt; Big little round platform cylindricality under being shaped as of the head that is positioned at the below of spacing double-screw bolt, the bar section that is positioned at the top of spacing double-screw bolt is provided with external thread; Reed is a strip elastic sheet metal integral piece, is divided into reed connecting portion that is positioned at the right side and the reed fixed part that is positioned at the left side; The reed connecting portion is be bent upwards hook-shaped; Be provided with first circular hole, second circular hole and oval hole on the reed fixed part from left to right successively; Reed by its first circle hole sleeve on first register pin of base plate; Reed by its oval borehole jack on second register pin of base plate; Screw on the substrate of base plate after screw being passed second circular hole of reed, thereby make reed be fixed on the substrate; The front end bar section of main slide bar is passed the sliding rod hole of the right front first slide bar baffle plate, and right front second slide bar baffle plate retaining is in the dead ahead of main slide bar; The position of the close right front first slide bar baffle plate of the front end bar section of main slide bar contacts with the downward lug boss of base plate from the below, the reed connecting portion of reed from the below semi-surrounding on the position of the close right front second slide bar baffle plate of the front end bar section of main slide bar, reed applies direction upwards and elastic force to the right to the front end bar section of main slide bar all the time by self elastic force, spacing double-screw bolt screws from bottom to top on the substrate of base plate, and carries out spacing by the frustum cone side of its head to the right side of the front end bar section of main slide bar.
3 second slide bar installation components of above-mentioned slide bar assembly are called the left front second slide bar installation component, the left back second slide bar installation component and the right back second slide bar installation component according to the difference that is positioned the position on the base; Each second slide bar installation component includes 1 stage clip and 1 set screw; Each stage clip all is the integral piece by a steel wire coiling, and is made of columniform stage clip main body and the annular collar that is connected on the stage clip main body from the below; The stage clip of the left front second slide bar installation component and set screw are called left front stage clip and left front adjustment screw, the stage clip of the left back second slide bar installation component and set screw are called left back stage clip and left back adjustment screw, and the stage clip of the right back second slide bar installation component and set screw are called right back stage clip and right back adjustment screw;
The front end bar section of secondary slide bar is positioned between left front first slide bar baffle plate and the left front second slide bar baffle plate, about left front first slide bar baffle plate and the left front second slide bar baffle plate together carry out the front end bar section of secondary slide bar to spacing; Left front stage clip is passed the mounting groove of mount pad portion of left front portion of the substrate of base plate from bottom to top by its stage clip main body, and be enclosed within on the stage clip post of left front slider block, and its epimere stretches in the pressure spring slot of left front slider block, its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop of left front stage clip is socketed on the front end bar section of secondary slide bar, and the lower end of the stage clip main body of left front stage clip contacts with the front end bar section of secondary slide bar from the top; Left front adjustment screw screws from bottom to top in the mounting hole of the mount pad portion of the left front portion of the substrate of base plate, and keeps off in the dead ahead of secondary slide bar, and is withstood on from bottom to top by its pressure cap on the front end of secondary slide bar;
The rear end bar section of secondary slide bar is positioned between left back first slide bar baffle plate and the left back second slide bar baffle plate, about left back first slide bar baffle plate and the left back second slide bar baffle plate together carry out the rear end bar section of secondary slide bar to spacing; Left back stage clip is passed the mounting hole of mount pad portion of left back portion of the substrate of base plate from bottom to top by its stage clip main body, and be enclosed within on the stage clip post of left back slider block, and its epimere stretches in the pressure spring slot of left back slider block, its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop of left back stage clip is socketed on the rear end bar section of secondary slide bar, and the lower end of the stage clip main body of left back stage clip contacts with the rear end bar section of secondary slide bar from the top; Left back adjustment screw screws from bottom to top in the mounting hole of the mount pad portion of the left back portion of the substrate of base plate, and keeps off in the dead astern of secondary slide bar, and is withstood on from bottom to top by its pressure cap on the follower head of secondary slide bar;
The rear end bar section of main slide bar is positioned between right back first slide bar baffle plate and the right back second slide bar baffle plate, about right back first slide bar baffle plate and the right back second slide bar baffle plate together carry out the follower head of main slide bar to spacing; Right back stage clip is passed the mounting hole of mount pad portion of left back portion of the substrate of base plate from bottom to top by its stage clip main body, and be enclosed within on the stage clip post of right back slider block, and its epimere stretches in the pressure spring slot of right back slider block, its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop of right back stage clip is socketed on the rear end bar section of main slide bar, and the lower end of the stage clip main body of right back stage clip contacts with the rear end bar section of main slide bar from the top; Right back adjustment screw screws from bottom to top in the mounting hole of the mount pad portion of the right back portion of the substrate of base plate, and keeps off in the dead astern of main slide bar, and is withstood on from bottom to top by its pressure cap on the follower head of main slide bar.
Above-mentioned base plate also comprises shock-absorbing Connection Block, CD baffle plate and flanging; Flanging is connected on the edge of substrate from the below; The shock-absorbing Connection Block has 3, is horizontally disposed with, and is connected front portion, left side, rear portion, left side and the right side central of flanging respectively from the below; The CD baffle plate comprises left CD baffle plate and right CD baffle plate, and left CD baffle plate vertical is provided with, and is connected on the substrate from the top, and is positioned at the rear portion of left side edge of medium pore of substrate and the place ahead that is positioned at the left back first slide bar baffle plate; Right CD baffle plate vertical is provided with, and is connected on the installing plate from the top, and is positioned at the left part at rear portion of installing plate and the place ahead that is positioned at the right back second slide bar baffle plate.
Above-mentioned rotating moving part also comprises joint pin, position switch, motor printed circuit board (PCB) and soft arranging wire;
Motor mounting plate is horizontally disposed with; Spindle motor is a brushless electric machine, and spindle motor is located and is fixed on the motor mounting plate from the top by its motor casing, and is positioned at the central position of motor mounting plate, and the motor shaft of spindle motor is towards the top; Joint pin has 3, and motor mounting plate is fixed on the substrate of base plate from the below by joint pin, and is positioned at the front portion of substrate; About the forward edge of the medium pore of substrate to the centre be a semicircle position; Spindle motor is arranged in the semicircle position of the medium pore of substrate, and its motor shaft then protrudes upward; A winding displacement link of soft arranging wire is the port that is connected with driving circuit with control circuit, another winding displacement link of soft arranging wire is electrically connected with the winding displacement incoming end of motor printed circuit board (PCB), and the corresponding port of the winding displacement incoming end of motor printed circuit board (PCB) is electrically connected with the control end and the power end of spindle motor by the respective lines on the printed circuit board (PCB); Position switch is fixed on the motor mounting plate, and is positioned at the left back position, top of motor mounting plate, and the switch contact of position switch stretches to rear and relative with light picker; Turntable is enclosed within by its connecting hole wringing fit on the upper end of motor shaft of spindle motor.
The above-mentioned gear train that slides comprises stepper motor, screw mandrel, motor mount and flexible printed circuit board; The power output that slides gear train is a screw mandrel; Screw mandrel also is the output shaft of stepper motor, and stepper motor is fixed on the motor mount by its motor casing, and the front end of screw mandrel and motor mount are rotationally connected; Flexible printed circuit board is provided with the circuit that is used for transmission of control signals and feed drive electric current, a winding displacement link of flexible printed circuit board is the port that is connected with driving circuit with control circuit, and another winding displacement link of flexible printed circuit board is electrically connected with Stepping Motor Control end and power end; Sliding gear train is fixed on the installing plate of base plate from the below by its motor mount.
Above-mentioned light picker comprises light picker main body, right linking arm, left linking arm, the gentle punching press spring of feed screw nut; The shell of right linking arm and left linking arm and light picker main body is connected as a single entity, and right linking arm is positioned at the right side of light picker main body, and left linking arm is positioned at the left side of light picker main body; Being directed upwardly of the optical lens of light picker main body; The right linking arm of light picker is enclosed within on the main slide bar, and is slidingly connected with main slide bar front and back; The left linking arm of light picker is contacted with secondary slide bar by three directions in last bottom right, and is stuck on the secondary slide bar, and owing to secondary slide bar is arranged on the base plate, thereby light picker is by being slidingly connected before and after its left linking arm and the secondary slide bar;
The feed screw nut is the integrated through injection molding part, comprises mount pad and the opening deckle board spare up that is connected top, mount pad right side, and the right side of the right plate of deckle board spare is provided with thread; Be fixed on the right linking arm from the below by the mount pad of trip bolt the feed screw nut; The feed screw nut is meshed with right-hand screw mandrel by its thread; The buffering stage clip is arranged between feed screw nut's the left plate and right plate of deckle board spare.
The utlity model has positive effect:
(1) optical pickup unit core of the present utility model both can accurately have been adjusted the movement locus face inclination angle of light picker by regulating in 3 the second slide bar installation components three stop screws of adjusting in the screw and the first slide bar installation component, can accurately adjust the trajectory of the laser beam of light picker in moving process and the registration of CD rotation normal again, improve to a great extent and read to coil performance.
(2) spindle motor of the present utility model is fixed on the base plate by motor post and motor mounting plate, and compact conformation, fixed installation are conveniently; Spindle motor adopts brushless electric machine not only because of stability of rotation helps the reading of CD, and serviceable life is longer.
(3) periphery of the base plate of optical pickup unit core of the present utility model is provided with the downward flanging of a circle, thereby has increased the intensity of base plate.In addition, the installing plate of base plate is higher than substrate, by rational layout, makes the installation of sliding motor of sliding gear train not influence the thickness of whole movement.
Description of drawings
Fig. 1 is the schematic perspective view of a kind of suction type disk loading device in the application examples 1;
Fig. 2 is the perspective exploded view of Fig. 1;
Fig. 3 is the perspective exploded view of the disk loading device movement behind the shell that removes among Fig. 2;
Fig. 4 is the perspective view of the optical pickup unit core among Fig. 3;
Fig. 5 be from the beneath of Fig. 4 perspective view;
Fig. 6 is for inciting somebody to action the perspective exploded view that rotating moving part wherein decomposes on the basis of optical pickup unit core shown in Figure 5;
Fig. 7 is for removing the perspective exploded view of all the other parts behind the rotating moving part in Fig. 6;
Fig. 8 is the light picker among Fig. 7 and the perspective exploded view of main slide bar and secondary slide bar;
Fig. 9 is the perspective view of the base plate among Fig. 7;
Figure 10 is the perspective view of the reed among Fig. 7;
Figure 11 is the part section structural representation from A slider block when observing of Fig. 5.
The mark of above-mentioned accompanying drawing is as follows:
Bottom deck assembly 1,
Base plate 11, substrate 11-1, medium pore 11-1-1, semicircle position 11-1-2, shock-absorbing Connection Block 11-2, installing plate 11-3, slide bar baffle plate 11-4, the left front first slide bar baffle plate 11-4-1, the left front second slide bar baffle plate 11-4-2, the left back first slide bar baffle plate 11-4-3, the left back second slide bar baffle plate 11-4-4, the right front first slide bar baffle plate 11-4-5, the right front second slide bar baffle plate 11-4-6, the right back first slide bar baffle plate 11-4-7, the right back second slide bar baffle plate 11-4-8, register pin 11-5, the first register pin 11-5-1, the second register pin 11-5-2, downward lug boss 11-6, CD baffle plate 11-7, left side CD baffle plate 11-7-1, right CD baffle plate 11-7-2, flanging 11-8, the 11-9 of mount pad portion, breakthrough part 11-9-1, connect screw 11-9-2, regulate screw 11-9-3
Slider block 12, left front slider block 12-1, left back slider block 12-2, right back slider block 12-3, stage clip post 12-4,
Rotating moving part 2,
Spindle motor 21, turntable 22, motor mounting plate 23, joint pin 24, position switch 25, motor printed circuit board (PCB) 26, soft arranging wire 27,
Stepper motor 31, screw mandrel 32, motor mount 33, flexible PCB 34,
Slide bar assembly 4,
Main slide bar 41, secondary slide bar 42,
Set screw 45, left front adjustment screw 45-1, left back adjustment screw 45-2, right back adjustment screw 45-3,
Spacing double-screw bolt 46,
Light picker main body 51, right linking arm 52, left linking arm 53, the feed screw nut 54, mount pad 54-1, deckle board spare 54-2, thread 54-3, buffering stage clip 55,
Base component 6, pedestal 61, upper cover plate 62,
Guide roller component 71, deflector roll support 71-1, guide roller axis 71-2, deflector roll 71-3, deflector roll gear 71-4, Control Component 72, gear train 73,
Platen assembly 8, platen support 81, platen 82,
Shell 9, lower cover 91, threaded joints 91-1, blocked hole seat 91-2, loam cake 92, protruding 92-1,
Shockproof web member 10-1, anti-vibration component 10-2, shock-absorbing web member 10-2-1, band cap screw 10-2-2,
Optical pickup unit core 100, CD imports and exports 200, disk loading device movement 300.
Embodiment
In the embodiment of the present utility model, the description in orientation is carried out according to orientation shown in Figure 5.
(embodiment 1, optical pickup unit core)
See Fig. 4 and Fig. 5, the optical pickup unit core of present embodiment comprises bottom deck assembly 1, rotating moving part 2, slides gear train 3, slide bar assembly 4 and light picker 5.
See Fig. 7, bottom deck assembly 1 comprises base plate 11 and slider block 12.
See Fig. 9 and Fig. 7, base plate 11 is a steel integrated punching spare, comprises substrate 11-1, shock-absorbing Connection Block 11-2, installing plate 11-3, slide bar baffle plate 11-4, register pin 11-5, downward lug boss 11-6, CD baffle plate 11-7, flanging 11-8 and the 11-9 of mount pad portion.
The central part of substrate 11-1 has medium pore 11-1-1; About the forward edge of medium pore 11-1-1 to the centre be a semicircle position 11-1-2.
The 11-9 of mount pad portion has 3, all be connected on the substrate 11-1, these 3 11-9 of mount pad portion are different according to the position of residing left front portion on substrate 11-1, left back and right back portion, are called left front mount pad portion, left back mount pad portion and right back mount pad portion.Be equipped with perforation position 11-9-1 along the vertical direction on the plate body of each 11-9 of mount pad portion, the perforation position 11-9-1 of left front mount pad portion and the right back mount pad 11-9 of portion is mounting groove, and the perforation position 11-9-1 of the left back mount pad 11-9 of portion is a mounting hole; Also be provided with the screw of 3 upward and downwards on the plate body of each 11-9 of mount pad portion, 2 screws are wherein screwed in by attachment screw and are called connection screw 11-9-2, and the 3rd screw is called by set screw 45 screw-ins regulates screw 11-9-3.
Flanging 11-8 is connected on the edge of substrate 11-1 from the below.
Shock-absorbing Connection Block 11-2 has 3, is horizontally disposed with, and is connected front portion, left side, rear portion, left side and the right side central of flanging 11-8 respectively from the below.
Installing plate 11-3 is horizontally disposed with, and the flanging downward by its right side is connected on the substrate 11-1 from the top, and is positioned at the middle part of right side edge of the medium pore 11-1-1 of substrate 11-1.
Slide bar baffle plate 11-4 has 8,4 equal vertical settings of slide bar baffle plate 11-4 wherein and be connected on the substrate 11-1 from the below are divided into the left front first slide bar baffle plate 11-4-1 of front end of the left side edge of the medium pore 11-1-1 that is positioned at substrate 11-1, be positioned at substrate 11-1 medium pore 11-1-1 forward edge left end and be positioned at the left front second slide bar baffle plate 11-4-2 of the first slide bar baffle plate 11-4-1 right front, be positioned at substrate 11-1 medium pore 11-1-1 forward edge right-hand member the right front first slide bar baffle plate 11-4-5 and be positioned at the right front second slide bar baffle plate 11-4-6 of the right front portion of substrate 11-1.Other 4 equal vertical settings of slide bar baffle plate 11-4,2 slide bar baffle plate 11-4 wherein are adjacent left back first slide bar baffle plate 11-4-3 and the left back second slide bar baffle plate 11-4-4 in the left and right sides on the left back mount pad 11-9 of portion that is connected base plate 11 from the below, and other 2 slide bar baffle plate 11-4 are adjacent right back first slide bar baffle plate 11-4-7 and the right back second slide bar baffle plate 11-4-8 in the left and right sides on the right back mount pad 11-9 of portion that is connected base plate 11 from the below.The left back first slide bar baffle plate 11-4-3 is positioned at the dead astern of the left front first slide bar baffle plate 11-4-1; The left back second slide bar baffle plate 11-4-4 is positioned at the dead astern of the left front second slide bar baffle plate 11-4-2; Have sliding rod hole on the right front first slide bar baffle plate 11-4-5, and be positioned at the dead astern of the right front second slide bar baffle plate 11-4-6; Right back first slide bar baffle plate 11-4-7 and the right back second slide bar baffle plate 11-4-8 are positioned at the dead astern of the right front first slide bar baffle plate 11-4-5.
Register pin 11-5 has 2, is positioned at the right front of the semicircle orifice 11-1-2 of substrate 11-1, towards downwards, and is divided into the first register pin 11-5-1 and the second register pin 11-5-2 according to the left and right directions setting.
Downwards lug boss 11-6 is arranged on the lower surface of substrate 11-1 and between right front first slide bar baffle plate 11-4-5 and the right front second slide bar baffle plate 11-4-6.
CD baffle plate 11-7 comprises left CD baffle plate 11-7-1 and right CD baffle plate 11-7-2, left side CD baffle plate 11-7-1 vertical is provided with, be connected on the substrate 11-1 from the top, and be positioned at the rear portion of left side edge of medium pore 11-1-1 of substrate 11-1 and the place ahead that is positioned at the left back first slide bar baffle plate 11-4-3; Right CD baffle plate 11-7-2 vertical is provided with, and is connected on the installing plate 11-3 from the top, and is positioned at the left part at rear portion of installing plate 11-3 and the place ahead that is positioned at the right back second slide bar baffle plate 11-4-8.
See Fig. 7, slider block 12 has 3, and each slider block 12 is the integrated through injection molding part, and the bottom of each slider block 12 is equipped with towards downward stage clip post 12-4, is provided with pressure spring slot between the pedestal of each stage clip post 12-4 and slider block separately 12.3 slider blocks 12 are divided into left front slider block 12-1, left back slider block 12-2 and right back slider block 12-3 according to the position that distributes.Be tightened on after each slider block 12 is passed in the top by attachment screw the connection screw 11-9-2 of a corresponding 11-9 of mount pad portion of base plate 11 and each slider block 12 is fixed on the corresponding 11-9 of mount pad portion.Wherein, left front slider block 12-1 is fixed on the left front mount pad 11-9 of portion of base plate 11, left back slider block 12-2 is fixed on the left back mount pad 11-9 of portion of base plate 11, right back slider block 12-3 is fixed on the right back mount pad 11-9 of portion of base plate 11, and the stage clip post 12-4 of each slider block 12 stretches into downwards among the perforation position 11-9-1 of the corresponding mount pad 11-9 of portion.
See Fig. 6, rotating moving part 2 comprises spindle motor 21, turntable 22, motor mounting plate 23, joint pin 24, position switch 25, motor printed circuit board (PCB) 26 and soft arranging wire 27.
See Fig. 4 to Fig. 6, motor mounting plate 23 is horizontally disposed with.Spindle motor 21 is a brushless electric machine, and spindle motor 21 is seated on the motor mounting plate 23 from the top by its motor casing, and is positioned at the central position of motor mounting plate 23, and the motor shaft of spindle motor 21 is towards the top; Screw on the motor casing of spindle motor 21 after passing the connecting hole that is opened on the motor mounting plate 23 from bottom to top by 3 screws, and spindle motor is fixed on the motor mounting plate 23.Joint pin 24 has 3, and the lower end of each root joint pin 24 all has screw, and after each root joint pin 24 all passed the substrate 11-1 of base plate 11 from the below by upper end separately, riveted and fixed was on the anterior plate body of substrate 11-1.After 3 screws pass the connecting hole that is opened on the motor mounting plate 23 from the below, screw respectively on the screw of the lower end of corresponding 1 joint pin 24, and from below be fixed on the substrate 11-1 of base plate 11 on by joint pin 24 motor mounting plate 23, and be positioned at the front portion of substrate 11-1, thereby make spindle motor 21 be arranged in the semicircle position 11-1-2 of the medium pore 11-1-1 of substrate 11-1, its motor shaft then protrudes upward.A winding displacement link of soft arranging wire 27 is the ports that are connected with driving circuit with control circuit, another winding displacement link of soft arranging wire 27 is electrically connected with the winding displacement incoming end of motor printed circuit board (PCB) 26, and the corresponding port of the winding displacement incoming end of motor printed circuit board (PCB) 26 is electrically connected with the control end and the power end of spindle motor 21 by the respective lines on the printed circuit board (PCB).Position switch 25 is fixed on the motor mounting plate 23, and is positioned at the left back position, top of motor mounting plate 23, and the switch contact of position switch 25 stretches to rear and relative with light picker 5.Turntable 22 is enclosed within by its connecting hole wringing fit on the upper end of motor shaft of spindle motor 21.
See Fig. 7, slide gear train 3 and comprise stepper motor 31, screw mandrel 32, motor mount 33 and flexible printed circuit board 34.The power output that slides gear train 3 is a screw mandrel 32.Screw mandrel 32 also is the output shaft of stepper motor 31, and stepper motor 31 is fixed on the motor mount 33 by its motor casing, and the front end of screw mandrel 32 and motor mount 33 are rotationally connected.Flexible printed circuit board 34 is provided with the circuit that is used for transmission of control signals and feed drive electric current, a winding displacement link of flexible printed circuit board 34 is the ports that are connected with driving circuit with control circuit, and another winding displacement link of flexible printed circuit board 34 is electrically connected with the control end and the power end of stepper motor 31.Sliding gear train 3 is fixed on the installing plate 11-3 of base plate 11 from the below by screw by its motor mount 33.
See Fig. 7, Fig. 9 and Figure 11, slide bar assembly 4 comprises main slide bar 41, secondary slide bar 42, the first slide bar installation component and 3 second slide bar installation components.The first slide bar installation component comprises reed 43 and spacing double-screw bolt 46; Big little round platform cylindricality under being shaped as of the head that is positioned at the below of spacing double-screw bolt 46, the bar section that is positioned at the top of spacing double-screw bolt 46 is provided with external thread.3 second slide bar installation components are called the left front second slide bar installation component, the left back second slide bar installation component and the right back second slide bar installation component according to the difference that is positioned the position on the base 1; Each second slide bar installation component includes 1 stage clip 44 and 1 set screw 45.Each stage clip 44 all is the integral piece by a steel wire coiling, and is made of columniform stage clip main body and the annular collar that is connected on the stage clip main body from the below.The stage clip 44 of the left front second slide bar installation component and set screw 45 are called left front stage clip 44-1 and left front adjustment screw 45-1, the stage clip 44 of the left back second slide bar installation component and set screw 45 are called left back stage clip 44-2 and left back adjustment screw 45-2, and the stage clip 44 of the right back second slide bar installation component and set screw 45 are called right back stage clip 44-3 and right back adjustment screw 45-3.
The front end bar section of secondary slide bar 42 is positioned between left front first slide bar baffle plate 11-4-1 and the left front second slide bar baffle plate 11-4-2, about left front first slide bar baffle plate 11-4-1 and the left front second slide bar baffle plate 11-4-2 together carry out the front end bar section of secondary slide bar 42 to spacing.Left front stage clip 44-1 is passed the mounting groove 11-9-1 of the left front mount pad 11-9 of portion of base plate 11 from bottom to top by its stage clip main body that is positioned at upside, and be enclosed within on the stage clip post 12-4 of left front slider block 12-1, and its epimere stretches in the pressure spring slot of left front slider block 12-1, its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop that is positioned at downside of left front stage clip 44-1 is socketed on the front end bar section of secondary slide bar 42, and the lower end of the stage clip main body of left front stage clip 44-1 contacts with the front end bar section of secondary slide bar 42 from the top.In the adjusting screw 11-9-3 of the left front mount pad 11-9 of portion that left front adjustment screw 45-1 afterbody screws from bottom to top at base plate 11, be positioned at the dead ahead of secondary slide bar 42, and withstand the front end of secondary slide bar 42 from bottom to top by its pressure cap, thereby not only make the front end bar section of secondary slide bar 42 be arranged on the base plate 11, and can adjust the position of front end bar section on above-below direction of secondary slide bar 42 by rotating left front adjustment screw 45-1 in elasticity on the above-below direction.
The rear end bar section of secondary slide bar 42 is positioned between left back first slide bar baffle plate 11-4-3 and the left back second slide bar baffle plate 11-4-4, about left back first slide bar baffle plate 11-4-3 and the left back second slide bar baffle plate 11-4-4 together carry out the rear end bar section of secondary slide bar 42 to spacing.Left back stage clip 44-2 is passed the mounting hole 11-9-1 of the left back mount pad 11-9 of portion of base plate 11 from bottom to top by its stage clip main body that is positioned at upside, and be enclosed within on the stage clip post 12-4 of left back slider block 12-2, and its epimere stretches in the pressure spring slot of left back slider block 12-2, its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop that is positioned at downside of left back stage clip 44-2 is socketed on the rear end bar section of secondary slide bar 42, and the lower end of the stage clip main body of left back stage clip 44-2 contacts with the rear end bar section of secondary slide bar 42 from the top.In the adjusting screw 11-9-3 of the left back mount pad 11-9 of portion that left back adjustment screw 45-2 afterbody screws from bottom to top at base plate 11, be positioned at the dead astern of secondary slide bar 42, and withstand the follower head of secondary slide bar 42 from bottom to top by its pressure cap, thereby not only make the rear end bar section of secondary slide bar 42 be arranged on the base plate 11, and can adjust the position of bar section on above-below direction, rear end of secondary slide bar 42 by rotating left back adjustment screw 45-2 in elasticity on the above-below direction.
See Figure 10, Fig. 7 and Fig. 9, reed 43 is a strip elastic sheet metal integral piece, is divided into reed connecting portion 43-1 that is positioned at the right side and the reed fixed part 43-2 that is positioned at the left side.Reed connecting portion 43-1 is be bent upwards hook-shaped.Be provided with the first circular hole 43-2-1, the second circular hole 43-2-2 and oval hole 43-2-3 on the reed fixed part 43-2 from left to right successively.Reed 43 is enclosed within on the first register pin 11-5-1 of base plate 11 by its first circular hole 43-2-1.Reed 43 is enclosed within on the second register pin 11-5-2 of base plate 11 by its oval hole 43-2-3.Screw on the substrate 11-1 of base plate 11 after screw being passed the second circular hole 43-2-2 of reed 43, thereby make reed 43 be fixed on the substrate 11-1.The front end bar section of main slide bar 41 is passed the sliding rod hole of the right front first slide bar baffle plate 11-4-5, and right front second slide bar baffle plate 11-4-6 retaining is in the dead ahead of main slide bar 41.The position of the close right front first slide bar baffle plate 11-4-5 of the front end bar section of main slide bar 41 contacts with the downward lug boss 11-6 of base plate 11 from the below, the reed connecting portion 43-1 of reed 43 from the below semi-surrounding on the position of the close right front second slide bar baffle plate 11-4-6 of the front end bar section of main slide bar 41, reed 43 applies direction upwards and elastic force to the right to the front end bar section of main slide bar 41 all the time by self elastic force, spacing double-screw bolt 46 screws from bottom to top on the substrate 11-1 of base plate 11, and the frustum cone side by its head carries out spacing to the right side of the front end bar section of main slide bar 41, thereby the front end bar section elasticity of winner's slide bar 41 is arranged on the base plate 11, and can adjusts the position of front end bar section on left and right directions of main slide bar 41 by rotary stopper double-screw bolt 46.
See Fig. 7, Fig. 9 and Figure 11, the rear end bar section of main slide bar 41 is positioned between right back first slide bar baffle plate 11-4-7 and the right back second slide bar baffle plate 11-4-8, about right back first slide bar baffle plate 11-4-7 and the right back second slide bar baffle plate 11-4-8 together carry out the follower head of main slide bar 41 to spacing.Right back stage clip 44-3 is passed the mounting hole 11-9-1 of the left back mount pad 11-9 of portion of base plate 11 from bottom to top by its stage clip main body that is positioned at upside, and be enclosed within on the stage clip post 12-4 of right back slider block 12-3, and its epimere stretches in the pressure spring slot of right back slider block 12-3, its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop that is positioned at downside of right back stage clip 44-3 is socketed on the rear end bar section of main slide bar 41, and the lower end of the stage clip main body of right back stage clip 44-3 contacts with the rear end bar section of main slide bar 41 from the top.In the adjusting screw 11-9-3 of the right back mount pad 11-9 of portion that right back adjustment screw 45-3 afterbody screws from bottom to top at base plate 11, be positioned at the dead astern of main slide bar 41, and withstand the follower head of main slide bar 41 from bottom to top by its pressure cap, thereby the rear end bar section of winner's slide bar 41 is arranged on the base plate 11 in elasticity on the above-below direction, and can adjusts the position of bar section on above-below direction, rear end of main slide bar 41 by rotating right back adjustment screw 45-3.
See Fig. 8, light picker 5 comprises light picker main body 51, right linking arm 52, left linking arm 53, feed screw nut's 54 gentle punching press springs 55.Right linking arm 52 and left linking arm 53 are connected as a single entity with the shell of light picker main body 51, and right linking arm 52 is positioned at the right side of light picker main body 51, and left linking arm 53 is positioned at the left side of light picker main body 51.Being directed upwardly of the optical lens of light picker main body 51.The right linking arm 52 of light picker 5 is enclosed within on the main slide bar 41, and is slidingly connected with main slide bar 41 front and back; The left linking arm 53 of light picker 5 is contacted with secondary slide bar 42 by three directions in last bottom right, and is stuck on the secondary slide bar 42, and owing to secondary slide bar is arranged on the base plate 11, thereby light picker 5 is slidingly connected with secondary slide bar 42 front and back by its left linking arm 53.
Feed screw nut 54 is the integrated through injection molding part, comprises mount pad 54-1 and the opening deckle board spare 54-2 up that is connected top, mount pad 54-1 right side, and the right side of the right plate of deckle board spare 54-2 is provided with thread 54-3; Mount pad 54-1 with feed screw nut 54 is fixed on the right linking arm 52 from the below by trip bolt; Feed screw nut 54 is meshed with right-hand screw mandrel 32 by its thread 54-3.Buffering stage clip 55 is arranged between feed screw nut 54 the left plate and right plate of deckle board spare 54-2, thereby makes that the feed screw nut 54 and the engagement of screw mandrel 32 are Elastic Meshing.
See Fig. 6, the optical pickup unit core 100 of present embodiment is when assembling and adjustment, can adjust screw 45 and respectively the adjustment of upward and downward is carried out in the position of the follower head of the follower head of the front end of secondary slide bar 42, secondary slide bar 42 and main slide bar 41 by tightening or unscrewing, thereby can adjust the movement locus face inclination angle of light picker accurately; About also can being undertaken simultaneously by the position of tightening or unscrew the front end of 46 pairs of main slide bars 41 of spacing double-screw bolt to adjustment; When tightening spacing double-screw bolt 46, the frustum cone side of spacing double-screw bolt 46 rises, and the front end bar section that promotes main slide bar 41 is moved to the left, when unscrewing spacing double-screw bolt 46, rise under the frustum cone side of spacing double-screw bolt 46, the front end bar section of main slide bar 41 moves right under the effect of reed 43.Thereby can accurately adjust the motion track of laser beam of light picker and the registration of CD rotation normal.
(application examples 1, suction type disk loading device)
See Fig. 1 to Fig. 3, suction type disk loading device that should use-case comprises disk loading device movement 300, shell 9, shockproof web member 10-1 and anti-vibration component 10-2.Disk loading device movement 300 comprises the optical pickup unit core 100 that base component 6, guide roller component 71, Control Component 72, gear train 73, platen assembly 8 and embodiment 1 obtain.
Base component 6 comprises pedestal 61 and upper cover plate 62, and upper cover plate 62 is fixed on the pedestal 61, and forms the CD import and export 200 that are positioned at the front side of base component 6 between upper cover plate 62 and pedestal 61.Be the boarding hole seat on 4 angles of the base plate of pedestal 61, all have the mounting hole of band gap on the plate body of each boarding hole seat.4 shockproof web member 10-1 annular scarfing slot by separately inlay card respectively is being positioned on the corresponding boarding hole seat of pedestal 61.
The base plate of pedestal 61 is provided with 3 threaded joints.Each anti-vibration component 10-2 includes shock-absorbing web member 10-2-1 and band cap screw 10-2-2.3 shock-absorbing web member 10-2-1 distinguish inlay card in the shock-absorbing Connection Block 11-2 of the base plate 11 of corresponding optical pickup unit core by annular scarfing slot separately, thereby are fixed on the base plate 11 of optical pickup unit core.Band cap screw 10-2-2 passes the mounting hole of shock-absorbing web member 10-2 from the below, the pressure cap of band cap screw 10-2-2 is pressed in the bottom of shock-absorbing web member 10-2, the threaded portion of band cap screw 10-2-2 screws on the threaded joints of pedestal 61, thereby makes optical pickup unit core 5 be positioned on the pedestal 61 from below elasticity.
See Fig. 3, platen assembly 8 comprises platen support 81 and the platen 82 that is automatically connected on the platen support 81.Platen support 81 is rotatably connected on the base plate 11 of optical pickup unit core 100 from the top, and its position that is rotationally connected is positioned at the rear of base plate 11.Platen 82 is in the turntable 22 corresponding positions with optical pickup unit core 100.
Guide roller component 71, Control Component 72 and gear train 73 are arranged on the pedestal 61, and guide roller component 71 is positioned at the front portion of pedestal 61, and gear train 73 is positioned at the left side of pedestal 61.
Guide roller component 71 comprises deflector roll support 71-1, guide roller axis 71-2, be enclosed within the deflector roll 71-3 on the guide roller axis 71-2 and be fixed on deflector roll gear 71-4 on the left end head of guide roller axis 71-2, guide roller component 71 is rotationally connected by its deflector roll support 71-1 and pedestal 61, and guide roller component 71 can be in its deflector roll 71-3 and is positioned at lifting the position or being in the lowering position that its deflector roll 71-3 is positioned at lower position of higher position.
Shell 9 comprises lower cover 91 and loam cake 92.The central part of the base plate of lower cover 91 is to recessed, and the left front position of the base plate of lower cover 91, left back position, right front position and right back position are equipped with the threaded joints 91-1 that raises up, and is respectively equipped with 2 blocked hole seat 91-2 on the left side plate of lower cover 91.Disk loading device movement 300 is positioned at lower cover 91, screw passes the mounting hole of the shockproof web member 10-1 on the boarding hole seat of the base plate that is embedded in pedestal 61 from the top down, and the screw cap of screw is pressed in the top of shockproof web member 10-1, the afterbody of screw screws on the threaded joints 91-1 of lower cover 91, thereby makes disk loading device movement 300 elasticity be positioned in the lower cover 91.Be respectively equipped with 2 protruding 92-1 on the left side plate of loam cake 92, the protruding 92-1 of each of loam cake 92 is connected to respectively on the blocked hole seat 91-2 of corresponding separately lower cover 91, thereby makes loam cake 92 be fixed on the lower cover 91, and is positioned at the top of lower cover 91.
Because suction type disk loading device that should use-case has adopted embodiment 1 resulting optical pickup unit core 100, when assembling this suction type disk loading device or adjusting this device, by the adjusting of adjusting a screw and a spacing double-screw bolt to 3, both can accurately adjust the movement locus face inclination angle of light picker, also can accurately adjust the trajectory of the laser beam of light picker in moving process and the registration of CD rotation normal, so can guarantee that in use the movement locus face of light picker is parallel with CD, and the trajectory of the laser beam of light picker overlaps with the height of CD rotation normal.
Claims (8)
1. optical pickup unit core is characterized in that: comprise bottom deck assembly (1), rotating moving part (2), slide gear train (3), slide bar assembly (4) and light picker (5);
Bottom deck assembly (1) comprises base plate (11) and slider block (12); Base plate (11) is a steel integrated punching spare, comprises substrate (11-1), installing plate (11-3) and slide bar baffle plate (11-4); The central part of substrate (11-1) has medium pore (11-1-1); Installing plate (11-3) is horizontally disposed with, and the flanging downward by its right side is connected on the substrate (11-1) from the top, and is positioned at the middle part of right side edge of the medium pore (11-1-1) of substrate (11-1); Slide bar baffle plate (11-4) vertical setting and be connected on the substrate (11-1) from the below; Slider block (12) has 3, all from upper fixed on substrate (11-1), and lay respectively at the left front portion of substrate (11-1), left back and right back portion;
Rotating moving part (2) comprises spindle motor (21) and turntable (22); Turntable (22) is fixed on the upper end of motor shaft of spindle motor (21); Spindle motor (21) is fixed on the base plate (11) by its casing, perhaps be fixedly connected on the plate body of the motor mounting plate (23) that is fixed on the base plate (11), and spindle motor (21) is positioned at the front, center position of base plate (11);
Slide bar assembly (4) comprises main slide bar (41), secondary slide bar (42), the first slide bar installation component and 3 second slide bar installation components; Light picker (5) upwards exposes from the medium pore (11-1-1) of base plate (11); The front end bar section of main slide bar (41) is arranged in the corresponding slide bar baffle plate (11-4), by the first slide bar installation component on the upward and downward and about upwards elasticity be positioned on the base plate (11), and the first slide bar installation component can be adjusted the assembly of the position of front end bar section on left and right directions of main slide bar (41) when being to use; The rear end bar section of the front end bar section of the rear end bar section of main slide bar (41), secondary slide bar (42) and secondary slide bar (42) is separately positioned between the corresponding slide bar baffle plate (11-4), be positioned on the base plate (11) by corresponding one second slide bar installation component and corresponding slider block (12) upward and downward elasticity, and each second slide bar installation component can be adjusted the assembly of the corresponding position of end bar section on above-below direction of the front and back end of corresponding slide bar when being to use; Slide gear train (3) and be arranged on the installing plate (11-3) of base plate (11), and be positioned at the right-hand of main slide bar (41) from the below; Light picker (5) is slidingly connected with main slide bar (41) and secondary slide bar (42) front and back; The power input component of light picker (5) is connected movingly with the power output that slides gear train (3).
2. according to the described optical pickup unit core of claim 1, it is characterized in that: described base plate (11) also comprises register pin (11-5), downward lug boss (11-6) and mount pad portion (11-9);
Mount pad portion (11-9) has 3, all is connected on the substrate (11-1), and described 3 mount pad portions (11-9) are according to going up residing position difference at substrate (11-1), is divided into left front mount pad portion, left back mount pad portion and right back mount pad portion; Be equipped with perforation position (11-9-1) along the vertical direction on the plate body of each mount pad portion (11-9), the perforation position (11-9-1) of left front mount pad portion (11-9) and right back mount pad portion (11-9) is mounting groove, and the perforation position (11-9-1) of left back mount pad portion (11-9) is a mounting hole; Also be provided with the screw of 3 upward and downwards on the plate body of each mount pad portion (11-9), 2 screws wherein are for connecting screw (11-9-2), and the 3rd screw is for regulating screw (11-9-3);
Slide bar baffle plate (11-4) has 8, and 4 slide bar baffle plates (11-4) wherein are divided into the left front first slide bar baffle plate (11-4-1) of front end of the left side edge of the medium pore (11-1-1) that is positioned at substrate (11-1), be positioned at substrate (11-1) medium pore (11-1-1) forward edge left end and be positioned at the left front second slide bar baffle plate (11-4-2) of first slide bar baffle plate (11-4-1) right front, be positioned at substrate (11-1) medium pore (11-1-1) forward edge right-hand member the right front first slide bar baffle plate (11-4-5) and be positioned at the right front second slide bar baffle plate (11-4-6) of the right front portion of substrate (11-1); All vertical settings of other 4 slide bar baffle plates (11-4), 2 slide bar baffle plates (11-4) wherein are adjacent left back first slide bar baffle plate (11-4-3) and the left back second slide bar baffle plate (11-4-4) in the left and right sides in the left back mount pad portion (11-9) that is connected base plate (11) from the below, and other 2 slide bar baffle plates (11-4) are adjacent right back first slide bar baffle plate (11-4-7) and the right back second slide bar baffle plate (11-4-8) in the left and right sides in the right back mount pad portion (11-9) that is connected base plate (11) from the below; The left back first slide bar baffle plate (11-4-3) is positioned at the dead astern of the left front first slide bar baffle plate (11-4-1); The left back second slide bar baffle plate (11-4-4) is positioned at the dead astern of the left front second slide bar baffle plate (11-4-2); Have sliding rod hole on the right front first slide bar baffle plate (11-4-5), and be positioned at the dead astern of the right front second slide bar baffle plate (11-4-6); Right back first slide bar baffle plate (11-4-7) and the right back second slide bar baffle plate (11-4-8) are positioned at the dead astern of the right front first slide bar baffle plate (11-4-5); Register pin (11-5) has 2, is positioned at the right front of the semicircle orifice (11-1-2) of substrate (11-1), towards downwards, and is divided into first register pin (11-5-1) and second register pin (11-5-2) according to the left and right directions setting; Downwards lug boss (11-6) is arranged on the lower surface of substrate (11-1) and is positioned between right front first slide bar baffle plate (11-4-5) and the right front second slide bar baffle plate (11-4-6);
The bottom of each slider block (12) is equipped with towards downward stage clip post (12-4), is provided with pressure spring slot between the pedestal of each stage clip post (12-4) and slider block separately (12); 3 slider blocks (12) are divided into left front slider block (12-1), left back slider block (12-2) and right back slider block (12-3) according to the position that distributes; Be tightened on after each slider block (12) is passed in the top by attachment screw the connection screw (11-9-2) of a corresponding mount pad portion (11-9) of base plate (11) and each slider block (12) is fixed in the corresponding mount pad portion (11-9), left front slider block (12-1) is fixed in the left front mount pad portion (11-9) of base plate (11), left back slider block (12-2) is fixed in the left back mount pad portion (11-9) of base plate (11), right back slider block (12-3) is fixed in the right back mount pad portion (11-9) of base plate (11), and the stage clip post (12-4) of each slider block (12) stretches into downwards in the perforation position (11-9-1) of corresponding mount pad portion (11-9).
3. according to the described optical pickup unit core of claim 2, it is characterized in that: the first slide bar installation component of described slide bar assembly (4) comprises reed (43) and spacing double-screw bolt (46); Big little round platform cylindricality under being shaped as of the head that is positioned at the below of spacing double-screw bolt (46), the bar section that is positioned at the top of spacing double-screw bolt (46) is provided with external thread; Reed (43) is a strip elastic sheet metal integral piece, be divided into the reed connecting portion (43-1) that is positioned at the right side and be positioned at the left side reed fixed part (43-2); Reed connecting portion (43-1) is hook-shaped for what be bent upwards; Be provided with first circular hole (43-2-1), second circular hole (43-2-2) and oval hole (43-2-3) on the reed fixed part (43-2) from left to right successively; Reed (43) is enclosed within on first register pin (11-5-1) of base plate (11) by its first circular hole (43-2-1); Reed (43) is enclosed within on second register pin (11-5-2) of base plate (11) by its oval hole (43-2-3); Screw on the substrate (11-1) of base plate (11) after screw being passed second circular hole (43-2-2) of reed (43), thereby make reed (43) be fixed on the substrate (11-1); The front end bar section of main slide bar (41) is passed the sliding rod hole of the right front first slide bar baffle plate (11-4-5), and the right front second slide bar baffle plate (11-4-6) retaining is in the dead ahead of main slide bar (41); The position of the close right front first slide bar baffle plate (11-4-5) of the front end bar section of main slide bar (41) contacts with the downward lug boss (11-6) of base plate (11) from the below, the reed connecting portion (43-1) of reed (43) from the below semi-surrounding on the position of the close right front second slide bar baffle plate (11-4-6) of the front end bar section of main slide bar (41), reed (43) applies direction upwards and elastic force to the right to the front end bar section of main slide bar (41) all the time by self elastic force, spacing double-screw bolt (46) screws from bottom to top on the substrate (11-1) of base plate (11), and carries out spacing by the frustum cone side of its head to the right side of the front end bar section of main slide bar (41).
4. according to the described optical pickup unit core of claim 2, it is characterized in that: 3 second slide bar installation components of described slide bar assembly (4) are called the left front second slide bar installation component, the left back second slide bar installation component and the right back second slide bar installation component according to the difference that is positioned the position on the base (1); Each second slide bar installation component includes 1 stage clip (44) and 1 set screw (45); Each stage clip (44) all is the integral piece by a steel wire coiling, and is made of columniform stage clip main body and the annular collar that is connected on the stage clip main body from the below; Stage clip of the left front second slide bar installation component (44) and set screw (45) are called left front stage clip (44-1) and left front adjustment screw (45-1), stage clip of the left back second slide bar installation component (44) and set screw (45) are called left back stage clip (44-2) and left back adjustment screw (45-2), and stage clip of the right back second slide bar installation component (44) and set screw (45) are called right back stage clip (44-3) and right back adjustment screw (45-3);
The front end bar section of secondary slide bar (42) is positioned between left front first slide bar baffle plate (11-4-1) and the left front second slide bar baffle plate (11-4-2), about left front first slide bar baffle plate (11-4-1) and the left front second slide bar baffle plate (11-4-2) together carry out the front end bar section of secondary slide bar (42) to spacing; Left front stage clip (44-1) is passed the mounting groove (11-9-1) of the left front mount pad portion (11-9) of base plate (11) from bottom to top by its stage clip main body that is positioned at upside, and be enclosed within on the stage clip post (12-4) of left front slider block (12-1), and its epimere stretches in the pressure spring slot of left front slider block (12-1), its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop that is positioned at downside of left front stage clip (44-1) is socketed on the front end bar section of secondary slide bar (42), and the lower end of the stage clip main body of left front stage clip (44-1) contacts with the front end bar section of secondary slide bar (42) from the top; Left front adjustment screw (45-1) afterbody screws from bottom to top in the adjusting screw (11-9-3) of the left front mount pad portion (11-9) of base plate (11), be positioned at the dead ahead of secondary slide bar (42), and withstand the front end of secondary slide bar (42) by its pressure cap from bottom to top;
The rear end bar section of secondary slide bar (42) is positioned between left back first slide bar baffle plate (11-4-3) and the left back second slide bar baffle plate (11-4-4), about left back first slide bar baffle plate (11-4-3) and the left back second slide bar baffle plate (11-4-4) together carry out the rear end bar section of secondary slide bar (42) to spacing; Left back stage clip (44-2) is passed the mounting hole (11-9-1) of the left back mount pad portion (11-9) of base plate (11) from bottom to top by its stage clip main body that is positioned at upside, and be enclosed within on the stage clip post (12-4) of left back slider block (12-2), and its epimere stretches in the pressure spring slot of left back slider block (12-2), its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop that is positioned at downside of left back stage clip (44-2) is socketed on the rear end bar section of secondary slide bar (42), and the lower end of the stage clip main body of left back stage clip (44-2) contacts with the rear end bar section of secondary slide bar (42) from the top; Left back adjustment screw (45-2) afterbody screws from bottom to top in the adjusting screw (11-9-3) of the left back mount pad portion (11-9) of base plate (11), be positioned at the dead astern of secondary slide bar (42), and withstand the follower head of secondary slide bar (42) by its pressure cap from bottom to top;
The rear end bar section of main slide bar (41) is positioned between right back first slide bar baffle plate (11-4-7) and the right back second slide bar baffle plate (11-4-8), about right back first slide bar baffle plate (11-4-7) and the right back second slide bar baffle plate (11-4-8) together carry out the follower head of main slide bar (41) to spacing; Right back stage clip (44-3) is passed the mounting hole (11-9-1) of the left back mount pad portion (11-9) of base plate (11) from bottom to top by its stage clip main body that is positioned at upside, and be enclosed within on the stage clip post (12-4) of right back slider block (12-3), and its epimere stretches in the pressure spring slot of right back slider block (12-3), its top contacts with the end face towards the below of this pressure spring slot, the cyclic loop that is positioned at downside of right back stage clip (44-3) is socketed on the rear end bar section of main slide bar (41), and the lower end of the stage clip main body of right back stage clip (44-3) contacts with the rear end bar section of main slide bar (41) from the top; Right back adjustment screw (45-3) afterbody screws from bottom to top in the adjusting screw (11-9-3) of the right back mount pad portion (11-9) of base plate (11), be positioned at the dead astern of main slide bar (41), and withstand the follower head of main slide bar (41) by its pressure cap from bottom to top.
5. according to the described optical pickup unit core of one of claim 2 to 4, it is characterized in that: described base plate (11) also comprises shock-absorbing Connection Block (11-2), CD baffle plate (11-7) and flanging (11-8); Flanging (11-8) is connected on the edge of substrate (11-1) from the below; Shock-absorbing Connection Block (11-2) has 3, is horizontally disposed with, and is connected front portion, left side, rear portion, left side and the right side central of flanging (11-8) respectively from the below; CD baffle plate (11-7) comprises left CD baffle plate (11-7-1) and right CD baffle plate (11-7-2), left side CD baffle plate (11-7-1) vertical setting, be connected on the substrate (11-1) from the top, and be positioned at the rear portion of left side edge of medium pore (11-1-1) of substrate (11-1) and the place ahead that is positioned at the left back first slide bar baffle plate (11-4-3); The setting of right CD baffle plate (11-7-2) vertical is connected on the installing plate (11-3) from the top, and is positioned at the left part at rear portion of installing plate (11-3) and the place ahead that is positioned at the right back second slide bar baffle plate (11-4-8).
6. according to the described optical pickup unit core of one of claim 1 to 4, it is characterized in that: described rotating moving part (2) also comprises joint pin (24), position switch (25), motor printed circuit board (PCB) (26) and soft arranging wire (27);
Motor mounting plate (23) is horizontally disposed with; Spindle motor (21) is a brushless electric machine, and spindle motor (21) is located and is fixed on the motor mounting plate (23) from the top by its motor casing, and is positioned at the central position of motor mounting plate (23), and the motor shaft of spindle motor (21) is towards the top; Joint pin (24) has 3, and motor mounting plate (23) is fixed on the substrate (11-1) of base plate (11) from the below by joint pin (24), and is positioned at the front portion of substrate (11-1); About the forward edge of the medium pore (11-1-1) of substrate (11-1) to the centre be a semicircle position (11-1-2); Spindle motor (21) is arranged in the semicircle position (11-1-2) of the medium pore (11-1-1) of substrate (11-1), and its motor shaft then protrudes upward; A winding displacement link of soft arranging wire (27) is the port that is connected with driving circuit with control circuit, another winding displacement link of soft arranging wire (27) is electrically connected with the winding displacement incoming end of motor printed circuit board (PCB) (26), and the corresponding port of the winding displacement incoming end of motor printed circuit board (PCB) (26) is electrically connected by the control end and the power end of the respective lines on the printed circuit board (PCB) with spindle motor (21); Position switch (25) is fixed on the motor mounting plate (23), and is positioned at the left back position, top of motor mounting plate (23), and the switch contact of position switch (25) stretches to rear and relative with light picker (5); Turntable (22) is enclosed within by its connecting hole wringing fit on the upper end of motor shaft of spindle motor (21).
7. according to the described optical pickup unit core of one of claim 1 to 4, it is characterized in that: the described gear train (3) that slides comprises stepper motor (31), screw mandrel (32) and motor mount (33); The power output that slides gear train (3) is screw mandrel (32); Screw mandrel (32) also is the output shaft of stepper motor (31), and stepper motor (31) is fixed on the motor mount (33) by its motor casing, and the front end of screw mandrel (32) and motor mount (33) are rotationally connected; Sliding gear train (3) is fixed on the installing plate (11-3) of base plate (11) from the below by its motor mount (33).
8. according to the described optical pickup unit core of one of claim 1 to 4, it is characterized in that: described light picker (5) comprises light picker main body (51), right linking arm (52), left linking arm (53), the gentle punching press spring (55) of feed screw nut (54); The shell of right linking arm (52) and left linking arm (53) and light picker main body (51) is connected as a single entity, and right linking arm (52) is positioned at the right side of light picker main body (51), and left linking arm (53) is positioned at the left side of light picker main body (51); Being directed upwardly of the optical lens of light picker main body (51); The right linking arm (52) of light picker (5) is enclosed within on the main slide bar (41), and is slidingly connected with main slide bar (41) front and back; The left linking arm (53) of light picker (5) is contacted with secondary slide bar (42) by three directions in last bottom right, and be stuck on the secondary slide bar (42), because secondary slide bar is arranged on the base plate (11), thereby light picker (5) is slidingly connected by its left linking arm (53) and secondary slide bar (42) front and back;
Feed screw nut (54) comprises mount pad (54-1) and is connected the opening deckle board spare (54-2) up of top, mount pad (54-1) right side that the right side of the right plate of deckle board spare (54-2) is provided with thread (54-3); Be fixed on the right linking arm (52) from the below by the mount pad (54-1) of trip bolt feed screw nut (54); Feed screw nut (54) is meshed with right-hand screw mandrel (32) by its thread (54-3); Buffering stage clip (55) is arranged between the left plate and right plate of deckle board spare (54-2) of feed screw nut (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200262449U CN202034035U (en) | 2011-01-26 | 2011-01-26 | Optical pickup device core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200262449U CN202034035U (en) | 2011-01-26 | 2011-01-26 | Optical pickup device core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034035U true CN202034035U (en) | 2011-11-09 |
Family
ID=44896324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200262449U Expired - Fee Related CN202034035U (en) | 2011-01-26 | 2011-01-26 | Optical pickup device core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034035U (en) |
-
2011
- 2011-01-26 CN CN2011200262449U patent/CN202034035U/en not_active Expired - Fee Related
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