CN1570754A

CN1570754A - Multishaft adjusting device

Info

Publication number: CN1570754A
Application number: CN03147479.9A
Authority: CN
Inventors: 林维赐; 郭世炫; 云麒锥
Original assignee: Young Optics Inc
Current assignee: Young Optics Inc
Priority date: 2003-07-14
Filing date: 2003-07-14
Publication date: 2005-01-26
Anticipated expiration: 2023-07-14
Also published as: CN100399092C

Abstract

A multiple-axis adjusting apparatus comprises base plate and adjusting plate, sliding plate and rotation plate which are located orderly on the base plate. The adjusting plate is controlled by several worm and worm gears and the sliding plate and rotation plate cooperated and are guided through guiding groove and elements with adjusting elements located on one side of screw thread to drive the optics engine to take multidimensional linear and rolling movement.

Description

The multiaxis adjusting gear

Technical field

The present invention relates to adjusting gear, especially relate to the multiaxis adjusting gear that a kind of adjustable lay the grain is learned engine position.

Background technology

Consult Fig. 1, Fig. 1 is known light engine adjusting gear 10, and it is provided with a lifting bolt 111 in an elevating bracket 11 lower surface centers, makes elevating bracket 11 produce upper and lower displacement by rotating lifting bolt 111; Be laminated with first slide 12 and second slide 13 in elevating bracket 11 upper face center, and utilize raised line 121, the 131

restriction slides

12,13 be arranged on

slide

12,13 peripheries to move along front and back and left and right directions, first slide, 12 front ends are provided with first and adjust bolt 122, to adjust the 12 front and back displacements of first slide, second slide, 13 right-hand members are provided with second and adjust bolt 132, to adjust second slide, 13 left and right displacement; In second slide, 13 upper face center one rotary seat 14 is set at last, rotary seat 14 centers are provided with a turning axle 141, it can be rotated freely with respect to second slide 13, rotary seat 14 1 sides are provided with rotation and adjust bolt 142, rotation with control rotary seat 14, when making light engine 1 be carried on adjusting gear 10, before and after can reaching, up and down, about and the adjustment of the anglec of rotation.

Yet above-mentioned adjusting gear adopts overlapped way to increase axial adjustment, makes system's thickness increase and bulky; Each axial adjustment bolt is dispersed in different directions in addition, is unfavorable for carrying out adjustment work in internal system in the finite space, causes the adjustment time to increase.

Summary of the invention

An object of the present invention is to provide a kind of multiaxis adjusting gear, utilize the worm and wormwheel group that axial adjustment is provided, but while reduction means volume.

Another object of the present invention provides a kind of multiaxis adjusting gear, utilizes the suitable configuration of adjusting lever and adjustment position of components, concentrates and adjusts the position so that increase the convenience of adjusting.

Another purpose of the present invention provides a kind of multiaxis adjusting gear, by worm and wormwheel group control characteristic, improves the device steadiness.

A further object of the present invention provides a kind of multiaxis adjusting gear, and it can carry out the multidimensional linearity and rotatablely move, to increase axial adjustment.

For achieving the above object, multiaxis adjusting gear of the present invention comprises pedestal, is set in turn in adjustment seat, slide and rotary seat on the pedestal; Wherein adjust seat and utilize several worm and wormwheel groups control, and slide utilizes guide groove and guide element to match with rotary seat to guide, and be provided with in a side screw thread and adjust element control, to carry out multidimensional linear and rotatablely move to drive light engine.

Description of drawings

For achieving the above object, the technological means that is adopted and other effects are now lifted a preferred embodiment and also are illustrated in conjunction with the accompanying drawings, in the accompanying drawing:

Fig. 1 is the synoptic diagram of known adjusting gear;

Fig. 2 is the stereographic map of multiaxis adjusting gear of the present invention;

Fig. 3 is the exploded view of multiaxis adjusting gear of the present invention;

Fig. 4 is the worm and wormwheel group exploded view of multiaxis adjusting gear of the present invention;

Fig. 5 is the anti-rotation piece exploded view of multiaxis adjusting gear of the present invention;

Embodiment

Consult shown in Figure 2, multiaxis adjusting gear 20 of the present invention is arranged in the optical projection system (figure does not show), and can carry a light engine (figure does not show), in order to adjust light engine position: it comprises a pedestal 21, an adjustment seat 22, first slide 23, a rotary seat 24 and second slide 25;

Consult shown in Figure 3ly, wherein pedestal 21 has a upper surface 211 and offers several through holes 212; Adjust seat 22 and be arranged on pedestal 21 tops, adjust seat 22 upper surfaces 221 and offer several adjustment holes 222, adjust seat 22 front end faces projection side plate 223 downward vertically; And pedestal 21 and adjust 22 of seats can according to space structure and axially demand be provided with several worm and wormwheel groups, in the present embodiment on preceding right side, preceding left side and left side, back respectively establish a worm and wormwheel group 26A, 26B, 26C;

Consulting shown in Figure 4ly, in worm and wormwheel group 26A, 26B or 26C, is example with worm and wormwheel group 26B, and each worm and wormwheel group comprises a screw rod 261 and an adjusting lever 262; One end of screw rod 261 is fixed on the pedestal 21, the other end is provided with a worm gear 263 with screw thread, screw rod 261 screw threads are provided with worm gear 263 backs and come out by adjusting hole 222 projections, worm gear 263 tops are provided with controll block 264, and has an annular recess 2641 around it, after screw rod 261 is passed by adjustment hole 222,222 bottom thread are provided with baffle plate 265 in the adjustment hole, so that being installed in, annular recess 2641 adjusts in the hole 222, and make groove 2641 and adjust 222 in hole and leave gap thereby free to rotate, again at the sheathed flexible member 266 of projection end, and lock with nut 267, flexible member 266 is resisted against adjusts seat 22 upper surfaces 221, and worm gear 263 is positioned at adjustment seat 22 belows; Adjusting lever 262 1 ends are hubbed on adjusts seat 22 side plates 223, the other end is fixed with the worm screw 268 that is meshed with worm gear 263, consult shown in Figure 5, adjust axle 262 pivot ends and be provided with a plane 2621, and be arranged with an anti-rotation element 269, be equipped with a fixed orifice 2691 on anti-rotation element 269 circumference, and screw thread is provided with a retaining element 2692, make adjustment axle 262 be resisted against plane 262 by retaining element 2692 and form one with anti-rotation element 269, anti-rotation element 269 bottom surfaces offer radial slotted eye 2693, and are provided with the projection 2231 that matches with slotted eye 2693 on adjustment seat 22 side plates 223.

When anti-rotation element 269 breaks away from the clamping of projection 2231, by rotation adjusting lever 262, making worm screw 268 drive worm gear 263 moves up and down along screw rod 261, thereby controll block 264 pushings are simultaneously adjusted seat 22 and are produced displacement, thereby the setting that utilizes flexible member 266 after the adjustment makes extruding adjust the seat 22 worm gear 263 fixing positions of adjusting seat 22 that recline, after adjustment is finished, projection 2231 can be clamped in the slotted eye 2693, to prevent that adjusting axle 262 rotates because of extraneous vibration.

Each worm and wormwheel group all has single-degree-of-freedom, therefore can adjust 22 3 axial displacements by controlling three worm and wormwheel group 26A, 26B, 26C, for example: as three worm and wormwheel group 26A, when 26B, 26C rotate synchronously, three controll blocks 264 are moved up and down along screw rod 261, and pushing is simultaneously adjusted seat 22 and is produced the axial displacement of Z; When fixed part worm and wormwheel group, then can make adjustment seat 22 do the turning axle rotation with this fixing worm and wormwheel group, to reach the purpose of adjusting the inclination anglec of rotation, for example: rotary worm worm gear 26A, fixing axle 26B and the 26C of adjusting drives controll block 264 to adjust seat 22 to rotate (being that My is axial) around Y-axis; Rotary worm worm gear 26C, fixedly worm and wormwheel group 26A and 26B drive controll block 264 to adjust seat 22 to rotate (being that Mx is axial) around X-axis; Therefore, utilize adjustment seat 22 to cooperate three worm and wormwheel groups can provide three of Z, My and Mx axially to adjust.

Consult shown in Figure 3 again, first slide 23 is arranged on adjusts seat 22 upper surfaces 221, and backup plate 231 is arranged at front end face and rear end face projection downward vertically, 232, backup plate 231,232 abut on adjustment seat 22 front/rear ends, backup plate 231,232 be provided with several paralleled by X axis to guide groove 233,234, and with first guide element 235 (as bolt) along guide groove 233,234 vertical direction are passed guide groove 233, after 234, threaded one end is arranged on the side plate 223, so that first slide 23 is by first guide element 235 and guide groove 233,234 match guiding and can move as X axis with respect to adjusting seat 22, one first adjusts element 236 paralleled by X axis to setting, and an end is fixed on by adjusting seat 22 preceding right sides and makes progress on the backup plate 224 of vertical projection, and other end screw thread is arranged on by first slide, 23 preceding right sides and makes progress on the backup plate 237 of vertical projection; Adjust element 236 by rotating first, drive first slide 23 and move along guide groove direction (being X axis), thereby reach the X axis displacement, locking first guide element 235 after adjustment is finished is adjusted on the seat 22 so that first slide 23 is fixed on.

Consult shown in Figure 3, this rotary seat 24 is arranged on first slide 23, and be provided with several arc guide grooves 241 and a rectangular channel 242 above it, rectangular channel 242 tops are provided with a L type seat 243, and penetrate a bolt 244 up by rectangular channel 242 belows, and be fixed on the bottom surface of L type seat 243, bolt 244 can be slided in rectangular channel 242, and second guide element 245 is locked on first slide 23 after vertically penetrating arc guide groove 241, and an end of element 246 is adjusted in rotation, be fixed on upwards and vertically be stretched on the fixed head 238 of first slide, 23 front ends, other end screw thread is arranged on the vertical plane 2431 of L type seat 243; Driving L type seat 243 by rotation adjustment element 246 moves, the bolt 244 of L type seat 243 belows promotes rectangular channel 242 lateral margins simultaneously, arc guide groove 241 guiding that matches with second guide element 245 simultaneously, driven rotary seat 24 rotates around the Z axle, locking second guide element 245 after adjustment is finished is to be fixed on rotary seat 24 on first slide 23.

Second slide 25 is arranged on the rotary seat 24, and be provided with several guide grooves that is parallel to Y-axis 251 above it, the 3rd guide element 252 is locked on the rotary seat 24 after vertically being penetrated by guide groove 251 tops, make second slide 25 make Y-axis to moving with respect to rotary seat 24, second adjusts element 253 parallel Y-axis to setting, and the one end is fixed on by rotary seat 24 front ends and makes progress on the side plate 247 of vertical projection, and other end screw thread is arranged on by second slide, 25 front ends and makes progress on the side plate 254 of vertical projection; Adjust element 253 by rotating second, drive second slide 25 and move, thereby reach Y-axis, adjust and finish the back and lock the 3rd guide element 252, so that second slide 25 is fixed on the rotary seat 24 to displacement along guide groove 251 directions (be Y-axis to).Other second slide, 25 upper fixed are provided with a ㄩ type carrier 255, in order to the fixed optics engine.

Therefore, after light engine (figure does not show) is fixed on the carrier 255, then adjust element 246 and second and adjust element 253 by rotation adjusting lever 262, the first adjustment element 236, rotation respectively, the X of rapid adjustment light engine, Y, Z axially and Mx, My, Mz three anglecs of rotation, the image beam that light engine is provided can project on the screen exactly.

Utilize several worm and wormwheel groups that are provided with at grade to provide multiaxis to adjustment in addition, with the stacked structure of replacement part, and the worm and wormwheel structure is with orthogonal configuration, so can reach the purpose of reduction means volume.

The present invention will adjust axle and carry out suitably centralized configuration, the adjustment axle 262 that is worm and wormwheel group 26A, 26B, 26C is arranged on adjustment seat 22 front end faces, the first adjustment element 236 is arranged on rotary seat 22 right front end faces and element 246 is adjusted in rotation and the second adjustment element 253 is arranged on first slide 23 and rotary seat 24 front end faces, disperse setting to compare with the known element of will adjusting, can carry out adjustment work easily, and make adjustment shortening in man-hour.In addition, in adjusting gear is assembled in optical projection system after, an opening can be established in screen below, have adjust axle end face in the face of opening, making can be by this opening to carry out adjustment work easily after the assembling.

Owing to utilize the characteristic of worm and wormwheel group engagement, and the setting of anti-rotation element, flexible member, make to adjust and have high-stability after seat 22 is adjusted, first slide 23, rotary seat 24 and second slide 25 also utilize guide element directly or indirectly to be combined into one with adjustment seat 22 after adjustment, therefore, can make the multiaxis adjusting gear have preferable steadiness.

The above, only be with so that preferred embodiment of the present invention is described, scope of the present invention is not limited to these preferred embodiments, is not breaking away under the real situation of the present invention, all according to any change that the present invention made, all belong in the claim scope of the present invention.

Claims

1. multiaxis adjusting gear, it comprises:

One pedestal;

One adjusts seat, is arranged on this pedestal top; And

Several worm and wormwheel groups, be arranged between this adjustment seat and pedestal, each worm and wormwheel group comprises an adjusting lever and a screw rod, this adjusting lever is articulated on the adjustment seat and an end is provided with a worm screw, and screw thread is provided with a worm gear that is meshed with worm screw on this screw rod, and establish a controll block on this worm gear top, and seat is adjusted in the controll block pushing, and screw rod one end is fixed on the pedestal.

2. multiaxis adjusting gear as claimed in claim 1, the wherein said screw rod other end are stretched on adjusts seat, and the projection end is arranged with a flexible member and locks with nut, and flexible member is resisted against adjusts seat.

3. multiaxis adjusting gear as claimed in claim 1, an end of wherein said adjusting lever is provided with an anti-rotation element.

4. multiaxis adjusting gear as claimed in claim 1, wherein said several adjusting levers are arranged on the same end face.

5. multiaxis adjusting gear as claimed in claim 1 can be provided with at least one slide on the wherein said adjustment seat, and this slide is provided with guide groove and is provided with guide element, and slide one side screw thread is provided with one and adjusts element.

6. multiaxis adjusting gear as claimed in claim 5, wherein said adjustment element and adjusting lever are arranged on the same end face.

7. multiaxis adjusting gear as claimed in claim 1 can be provided with at least one rotary seat on the wherein said adjustment seat, and this rotary seat is provided with arc guide groove and is installed with guide element, is provided with the adjustment element at rotary seat one side screw thread.

8. multiaxis adjusting gear as claimed in claim 7, wherein said adjustment element and adjusting lever are arranged on the same end face.