阅读说明：本技术 一种紧凑型精密的四维调整平台 (Compact precise four-dimensional adjusting platform ) 是由 马超 江坤 黄秋元 周鹏 于 2021-08-27 设计创作，主要内容包括：本发明提供一种紧凑型精密的四维调整平台,其包括水平位移台、升降台、旋转台和角位移台,水平位移台、升降台、旋转台和角位移台自下而上依次设置,升降台连接于水平位移台的移动端,旋转台连接于升降台的升降端,角位移台连接于旋转台的转动端,以供水平位移台、升降台、旋转台和角位移台组合后完成四个维度的调整,升降端沿竖直方向开设有转动槽,转动端插设于转动槽并通过轴承组与转动槽内壁转动连接,以供升降台和旋转台之间紧密相连并降低四维调整平台的整体高度。本发明的四位调整平台将多个调整台合理搭配组装,结构紧凑,各调整维度结构件集成度高,可以有效减少整体设备高度。(The invention provides a compact precise four-dimensional adjusting platform which comprises a horizontal displacement platform, a lifting platform, a rotating platform and an angular displacement platform, wherein the horizontal displacement platform, the lifting platform, the rotating platform and the angular displacement platform are sequentially arranged from bottom to top, the lifting platform is connected to the moving end of the horizontal displacement platform, the rotating platform is connected to the lifting end of the lifting platform, the angular displacement platform is connected to the rotating end of the rotating platform so as to complete four-dimensional adjustment after the horizontal displacement platform, the lifting platform, the rotating platform and the angular displacement platform are combined, the lifting end is provided with a rotating groove in the vertical direction, and the rotating end is inserted into the rotating groove and is rotationally connected with the inner wall of the rotating groove through a bearing group so as to be tightly connected between the lifting platform and the rotating platform and reduce the overall height of the four-dimensional adjusting platform. The four-position adjusting platform provided by the invention has the advantages that the plurality of adjusting platforms are reasonably matched and assembled, the structure is compact, the integration level of each adjusting dimensional structural part is high, and the height of the whole equipment can be effectively reduced.)

1. The utility model provides a compact accurate four-dimensional adjustment platform which characterized in that: including horizontal displacement platform, elevating platform, revolving stage and angle displacement platform, the horizontal displacement platform the elevating platform the revolving stage with the angle displacement platform sets gradually from bottom to top, the elevating platform connect in the removal end of horizontal displacement platform, the revolving stage connect in the lift end of elevating platform, the angle displacement platform connect in the rotation end of revolving stage, for the supply the horizontal displacement platform the elevating platform the revolving stage with the adjustment of four dimensions is accomplished to the angle displacement platform combination back, the rotation groove has been seted up along vertical direction to the lift end, the rotation end insert locate the rotation groove pass through bearing group with the rotation inslot wall rotates to be connected, for the elevating platform with closely link to each other and reduce the whole height of four-dimensional adjustment platform between the revolving stage.

2. The compact precision four-dimensional adjustment platform of claim 1, wherein: the horizontal displacement table is characterized by further comprising a bottom plate, wherein a guide rail is arranged on the bottom plate, and the horizontal displacement table is connected to the guide rail in a sliding mode.

3. The compact precision four-dimensional adjustment platform of claim 2, wherein: horizontal displacement platform includes slip table, ejector pad one, fixed block one and spiral differential head one, slip table sliding connection in the guide rail, ejector pad one is fixed in one side of slip table, fixed block one connect in the bottom plate just is relative ejector pad one sets up, spiral differential head one rotate connect in fixed block one and its one end butt in ejector pad one, the warp spiral differential head one's the other end can order about the slip table removes.

4. The compact precision four-dimensional adjustment platform of claim 3, wherein: the elevating platform includes base, lift adjustment platform and is used for ordering about the vice one of fine tooth screw thread that lift adjustment platform goes up and down, the lift end is lift adjustment platform, pedestal connection in the spout has been seted up along vertical direction to the slip table, lift adjustment platform sliding connection in the spout has just been seted up along vertical direction and has been run through the rotation groove of lift adjustment platform, the screw rotation of the vice one of fine tooth screw thread connect in lift adjustment platform and connect to the slip table.

5. The compact precision four-dimensional adjustment platform of claim 4, wherein: the revolving stage includes rotatory adjustment platform, rotates piece, ejector pad two, fixed block two and is used for ordering about rotatory adjustment platform pivoted spiral differential head two, rotate the end and be for rotating the piece, the one end of rotating the piece connect in rotatory adjustment platform, the other end are inserted and are located rotate the groove and with it rotates to rotate the groove and connects, ejector pad two connect in rotatory adjustment platform, fixed block two connect in base and relative ejector pad two sets up, spiral differential head two rotate connect in but fixed block two and its one end butt in ejector pad two, the warp the other end of spiral differential head two can order about rotatory adjustment platform rotates.

6. The compact precision four-dimensional adjustment platform of claim 5, wherein: the angular displacement platform comprises an angle adjusting platform, a steel ball, a tension spring and a fine thread pair II used for driving the angle adjusting platform to rotate, the angle adjusting platform is connected with the rotary adjusting platform through the steel ball and the tension spring, and a screw of the fine thread pair II is rotatably connected with the angle adjusting platform and connected with the rotary adjusting platform.

7. The compact precision four-dimensional adjustment platform of claim 1, wherein: the locking mechanism comprises a locking sheet and a fixing screw thereof, one end of the locking sheet is provided with a fixing hole, the other end of the locking sheet is provided with a notch, and the four-dimensional adjusting platform is provided with a mounting hole corresponding to the fixing hole and the notch so as to be locked and sized after being adjusted.

8. The compact precision four-dimensional adjustment platform of claim 5, wherein: the rotating piece comprises a rotating shaft, a tapered roller bearing, a needle roller thrust bearing and a locking pressing ring, one end of the rotating shaft is connected to the rotating adjusting platform, the other end of the rotating shaft is inserted in the rotating groove and is rotatably connected with the rotating groove, and the tapered roller bearing, the needle roller thrust bearing and the locking pressing ring are all sleeved on the rotating shaft and are sequentially arranged from top to bottom.

9. The compact precision four-dimensional adjustment platform of claim 8, wherein: the rotating platform further comprises a locking thread pair, and the locking nut pair is connected to the second fixing block and is opposite to the second spiral differential head.

10. The compact precision four-dimensional adjustment platform of claim 3, wherein: the horizontal displacement platform still includes the subassembly that resets, the subassembly that resets includes two dead levers and spring, two the dead lever connect respectively in the bottom plate with slip table and interval set up, the both ends of spring connect respectively in two the dead lever, for the slip table resets after removing.

Technical Field

The invention relates to the technical field of adjusting platforms, in particular to a compact precise four-dimensional adjusting platform.

Background

In the optical chip test, the consistency of test results is required to be ensured, the geometric dimension of a test carrier has extremely high precision requirements, the precision of the test carrier is ensured by completely depending on machining, the difficulty is very high, the cost is high, a common method is to configure a micro-adjustment platform with multiple dimensions for the test carrier, and the precision required by the final test carrier is realized by the micro-adjustment with multiple dimensions during equipment debugging.

For example, patent CN201773602U provides a four-dimensional adjustment platform for instrument installation, which combines 2 linear translation stages and 2 angular displacement stages to realize four-dimensional fine adjustment.

At present, there is the standard translation platform of multiple specification, the elevating platform, rotatory adjustment platform, the angle displacement platform, it is as required, can make up the four-dimensional adjustment platform of department, can make up out six-dimensional adjustment platform at most, can realize the swift adjustment of testboard, the integrated form is nimble changeable, however, the four-dimensional adjustment platform of present majority is similar to above-mentioned patent, a plurality of adjustment platforms are independently placed, the part is not integrated, the whole height of equipment is higher after the combination, it is inconvenient to use.

Disclosure of Invention

In view of this, a compact and precise four-dimensional adjustment platform is needed to be provided to solve the technical problem of the prior art that the height of the whole device is high after multiple adjustment platforms are combined.

In order to achieve the technical purpose, the technical scheme of the invention provides a compact precise four-dimensional adjusting platform which comprises a horizontal displacement platform, a lifting platform, a rotating platform and an angular displacement platform, wherein the horizontal displacement platform, the lifting platform, the rotating platform and the angular displacement platform are sequentially arranged from bottom to top, the lifting platform is connected to the moving end of the horizontal displacement platform, the rotating platform is connected to the lifting end of the lifting platform, the angular displacement platform is connected to the rotating end of the rotating platform, the lifting end is provided with a rotating groove in the vertical direction, and the rotating end is inserted into the rotating groove and is rotationally connected with the inner wall of the rotating groove through a bearing group so as to be tightly connected between the lifting platform and the rotating platform and reduce the overall height of the four-dimensional adjusting platform.

Furthermore, the horizontal displacement table further comprises a bottom plate, wherein a guide rail is arranged on the bottom plate, and the horizontal displacement table is connected to the guide rail in a sliding mode.

Further, horizontal displacement platform, including slip table, ejector pad one, fixed block one and spiral differential head one, slip table sliding connection in the guide rail, ejector pad one is fixed in one side of slip table, fixed block one connect in the bottom plate just is relative ejector pad one sets up, spiral differential head one rotate connect in fixed block one and its one end butt in ejector pad one, the warp the other end of spiral differential head one can order about the slip table removes.

Further, the elevating platform includes base, lift adjustment platform and is used for ordering about the vice one of fine tooth screw thread that lift adjustment platform goes up and down, pedestal connection in the spout has been seted up along vertical direction to the slip table, lift adjustment platform sliding connection in the spout has just been seted up along vertical direction and has been run through the rotation groove of lift adjustment platform, the screw rotation of the vice one of fine tooth screw thread connect in lift adjustment platform and connect to the slip table.

Further, the revolving stage includes rotatory adjustment platform, rotates piece, ejector pad two, fixed block two and is used for ordering about rotatory adjustment platform pivoted spiral differential head two, the one end of rotating the piece connect in rotatory adjustment platform, the other end are inserted and are located rotate the groove and with it rotates the groove and connects, ejector pad two connect in rotatory adjustment platform, fixed block two connect in the base is just relative ejector pad two sets up, spiral differential head two rotate connect in fixed block two and its one end butt in ejector pad two, the warp spiral differential head two's the other end can order about rotatory adjustment platform rotates.

Furthermore, the angle displacement platform includes angle adjustment platform, steel ball, extension spring and is used for ordering about the vice two of angle adjustment platform pivoted fine tooth screw thread, angle adjustment platform pass through the steel ball with the extension spring connect in rotatory adjustment platform, the screw rotation of the vice two of fine tooth screw thread connect in angle adjustment platform and be connected to rotatory adjustment platform.

Furthermore, the locking mechanism comprises a locking sheet and a fixing screw thereof, one end of the locking sheet is provided with a fixing hole, the other end of the locking sheet is provided with a notch, and the four-dimensional adjusting platform is provided with a mounting hole corresponding to the fixing hole and the notch so as to be locked and shaped after being adjusted. Furthermore, the rotating part comprises a rotating shaft, a tapered roller bearing, a needle roller thrust bearing and a locking pressing ring, one end of the rotating shaft is connected to the rotating adjusting platform, the other end of the rotating shaft is inserted in the rotating groove and is rotatably connected with the rotating groove, and the tapered roller bearing, the needle roller thrust bearing and the locking pressing ring are all sleeved on the rotating shaft and are sequentially arranged from top to bottom.

Furthermore, the rotating platform further comprises a locking thread pair, and the locking nut pair is connected to the second fixing block and is opposite to the second spiral differential head.

Further, the horizontal displacement platform still includes the subassembly that resets, the subassembly that resets includes two dead levers and spring, two the dead lever connect respectively in the bottom plate with slip table and interval set up, the both ends of spring connect respectively in two the dead lever, for the slip table resets after removing.

Compared with the prior art, the invention has the beneficial effects that: the adjusting platform integrates and combines the heights of a plurality of discrete adjusting platforms to form a four-dimensional adjusting platform, and can realize the adjustment of four dimensions of the test platform, wherein the lifting platform and the rotating platform are combined together when the adjusting platforms are combined, the lifting platform and the rotating platform share part of the structure, the high-precision gapless rotation is realized, and the requirement on the height limit of the rotating platform is reduced after the rotating platform and the lifting platform are integrated together, so that the height of the whole equipment is reduced.

Drawings

FIG. 1 is a front view of a compact precision four-dimensional adjustment platform, an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a compact precision four-dimensional adjustment platform according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a compact, precise four-dimensional adjustment platform for a reduction assembly according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating the lifting and lowering of the lifting platform in the compact precise four-dimensional adjustment platform according to the embodiment of the present invention;

FIG. 5 is a schematic view of a rotating member of a compact and precise four-dimensional adjustment platform according to an embodiment of the present invention;

fig. 6 is an assembly schematic diagram of a rotating member in a compact precise four-dimensional adjusting platform according to an embodiment of the present invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

Referring to fig. 1, the invention provides a compact precise four-dimensional adjusting platform, which comprises a bottom plate 1, a horizontal displacement table 2, a lifting table 3, a rotating table 4 and an angular displacement table 5, wherein the bottom plate 1, the horizontal displacement table 2, the lifting table 3, the rotating table 4 and the angular displacement table 5 are fixed with each other and tightly connected to form the four-dimensional adjusting platform with a cubic structure, and the testing table can be placed on the angular displacement table 5.

Be provided with guide rail 11 on the bottom plate 1, 2 sliding connection in of horizontal displacement platform in guide rail 11, horizontal displacement platform 2 elevating platform 3 revolving stage 4 with angular displacement platform 5 sets gradually and through locking mechanism 6 reciprocal anchorage according to the order from bottom to top, the rotation groove has been seted up to the lift end of elevating platform 3, the rotation end of revolving stage 4 rotate connect in rotate the groove and with rotate inslot wall seamless connection, for supply elevating platform 3 with closely link to each other between the revolving stage 4.

Referring to fig. 2, the horizontal displacement table 2 includes a sliding table 21, a first push block 22, a first fixed block 23 and a first spiral differential head 24, the sliding table 21 is slidably connected to the guide rail 11, the first push block 22 is fixed to one side of the sliding table, the first fixed block 23 is connected to the bottom plate 1 and is arranged opposite to the first push block 22, the first spiral differential head 24 is rotatably connected to the first fixed block 23, one end of the first fixed block 23 abuts against the first push block 22, and the other end of the first spiral differential head 24 can be rotated in a manual adjustment mode, so that the first spiral differential head 24 is controlled to drive the push block 22 to move relative to the fixed block 23, and the sliding table 21 is driven to move through the first spiral differential head 24.

Referring to fig. 3, the horizontal displacement table 2 further includes a reset assembly 25, the reset assembly 25 includes two fixing rods 251 and a spring 252, the two fixing rods 251 are respectively connected to the bottom plate 1 and the sliding table 21 and are arranged at intervals, one fixing rod 251 is fixed to the top of the bottom plate 1, the other fixing rod 251 is fixed to the bottom of the sliding table 21, and two ends of the spring 252 are respectively connected to the two fixing rods 251. The two fixing rods 251 are arranged between the two tracks of the guide rail 11, so that the installation space is saved, two ends of the spring 252 are respectively hung on the two fixing rods 251, after the sliding table 21 slides under the control of the first spiral differential head 24, the two fixing rods 251 are relatively far away from and stretch the spring 252, after the measurement work of the test table is completed, the first spiral differential head 24 is rotated in the opposite direction, and the spring 252 loses the stretching force and can be restored to the original position, so that the sliding table 21 is driven to be restored to the original position.

Referring to fig. 4, the lifting table 3 includes a base 31, a lifting adjusting table 32 and a first fine thread pair 33 for driving the lifting adjusting table 32 to lift, the base 31 is connected to the sliding table 21 and has a sliding groove 311 along the vertical direction, the lifting adjusting table 32 is slidably connected to the sliding groove 311 and has a rotating groove 321 along the vertical direction, the rotating groove 321 runs through the lifting adjusting table 32, and the first fine thread pair 33 is connected to the lifting adjusting table 32. Wherein, the lateral wall of lift adjustment platform 32 is seted up flutedly, and this lift adjustment platform 32 sets up the one side of recess and establishes to the opening for the vice one of fine tooth screw thread of installation conveniently adjusts lift adjustment platform 32, and the fixed orifices has been seted up to the diapire of this recess, and the sliding table 21 department of its correspondence sets up threaded hole, places the fixed orifices in the nut of the vice one 33 of fine tooth screw thread, and the screw then through nut and fixed orifices threaded connection in sliding table 21, through rotating the relative base 31 lift of the steerable lift adjustment platform 32 of screw.

The rotating platform 4 comprises a rotating adjusting platform 41, a rotating part 42, a second pushing block 43, a second fixing block 44 and a second spiral differential head 45 for driving the rotating adjusting platform 41 to rotate, one end of the rotating member 42 is connected to the rotating adjustment table 41, the other end is inserted into the rotating groove 321 and is rotatably connected to the rotating groove 321, the second pushing block 43 is connected to the rotary adjusting table 41, the second fixing block 44 is connected to the base 31 and is arranged opposite to the second pushing block 43, the second spiral differential head 45 is rotatably connected with the second fixed block 44, one end of the second spiral differential head can be abutted against the second push block 43, the other end of the second spiral differential head 45 can be rotated in a manual adjustment mode, thereby controlling the second spiral differential head to drive the second push block 43 to move relative to the second fixed block 44, and driving the rotary adjusting table 41 to rotate through the second spiral differential head 45.

Referring to fig. 5 and 6, the rotating member 42 includes a rotating shaft 421, a tapered roller bearing 422, a needle thrust bearing 423 and a locking pressing ring 424, one end of the rotating shaft 421 is connected to the rotating adjustment table 41, and the other end is inserted into the rotating groove 321 and rotatably connected to the rotating groove 321, and the tapered roller bearing 422, the needle thrust bearing 423 and the locking pressing ring 424 are all sleeved on the rotating shaft 421 and are sequentially arranged from top to bottom. In the embodiment provided by the invention, the rotating shaft is matched by adopting the combination of the tapered roller bearing 422 and the needle roller thrust bearing 423 and is used for rotating the rotary adjusting table 41 in the vertical direction, the tapered roller bearing 422 ensures that no gap exists in the rotary radial direction of the rotary adjusting table 41, the needle roller thrust bearing 423 ensures that no gap exists in the rotary axial direction of the rotary adjusting table 41, and the locking pressing ring 424 is used for supporting the needle roller thrust bearing.

The revolving stage 4 still includes locking thread pair 46, locking nut pair 46 connect in two 44 of fixed block and relative spiral differential head two 45 set up, and locking nut pair 46 and spiral differential head two 45 are located the relative both sides of ejector pad two 44 respectively, can press from both sides tightly and the fixed rotation is accomplished the rotatory adjustment platform 41.

The angular displacement table 5 comprises an angle adjusting table 51, a steel ball 52, a tension spring 53 and a fine thread pair 54 for driving the angle adjusting table 51 to rotate, the angle adjusting table 51 is connected to the rotary adjusting table 41 through the steel ball 52 and the tension spring 53, and the fine thread pair 54 is connected to the angle adjusting table 51. In the embodiment provided by the invention, the number of the steel balls 52 and the number of the tension springs 53 are four, the four steel balls 52 and the four tension springs 53 are respectively arranged at four corners between the angle adjusting platform 51 and the rotary adjusting platform 41, the angle adjusting platform 51 and the rotary adjusting platform 41 are both provided with a fixing hole and a spherical groove, the steel balls are placed in the spherical grooves, two ends of the tension spring 53 are respectively inserted into the fixing holes of the angle adjusting platform 51 and the rotary adjusting platform 41 and are fixed through a supporting rod, the angle adjusting platform 51 is also provided with a threaded hole, a nut of the fine thread pair II 54 is arranged in the threaded hole, a screw is connected to the angle adjusting platform 51 through the nut thread, and the rotation of the angle adjusting platform 51 can be controlled through rotating the screw.

The four-dimensional adjusting platform also comprises a plurality of locking mechanisms 6, which are used for locking and shaping after the four-dimensional adjusting platform is adjusted, wherein each locking mechanism 6 comprises a locking sheet 61 and a fixing screw 62 thereof, one end of each locking sheet 61 is provided with a fixing hole, and the other end of each locking sheet 61 is provided with a notch; the base 31 and the lifting adjusting table 32 are fixed through two locking mechanisms 6, the two locking mechanisms 6 are respectively arranged on two sides of the sliding groove 311, one end of the locking sheet 61 is fixed on the lifting adjusting table 32, a plurality of holes are formed in the base 31 along the vertical direction, the other end of the locking sheet 61 is abutted to the base 31, fixing screws 62 can be fixed in different holes, and after the lifting adjusting table 32 is lifted, the fixing screws can be inserted into the holes in corresponding positions, so that the lifting adjusting table 32 is fixed; it is fixed through two locking mechanical system 6 between rotatory adjustment table 41 and the angle adjustment table 51, two locking mechanical system 6 set up respectively in the both sides of angle adjustment table 51, the one end of stay 61 is fixed to angle adjustment table 61 on, the trompil has been seted up along the horizontal direction on the rotatory adjustment table 41, the other end butt of stay 61 to rotatory adjustment table on, set screw 62 can be fixed to in the trompil to this is with rotatory adjustment table 41 and angle adjustment table 51 reciprocal anchorage.

The four-dimensional adjusting platform of the invention comprises a horizontal displacement platform, a lifting platform, a rotating platform and an angular displacement platform, wherein the horizontal displacement platform and the lifting platform are common moving platform structures, the rotating platform and the angular displacement platform are improved compared with the common platform structures, the key technical requirement of the rotating platform is that the rotating platform has no interval between the radial direction and the axial direction, the common rotating platform is required to meet the requirement, a hole shaft combination processed by a gas tightness grade is usually adopted, the structure has extremely high processing requirement and high processing cost, the height size of the rotating platform cannot be ensured to be smaller, the four-dimensional adjusting platform integrates the rotating platform and the lifting platform, the lifting platform is provided with a rotating groove for mounting the rotating platform, the lifting platform and the rotating platform can share a part of space, the height of the rotating platform can be reduced, and a conical roller bearing and a needle roller thrust bearing are arranged in the rotating groove, the tapered roller bearing ensures that the rotating platform has no clearance in the rotating radial direction, and the needle roller thrust bearing ensures that the rotating platform has no clearance in the rotating axial direction; the angular displacement table adopts an arc dovetail groove guide rail, a micro-division head or an optical fine thread pair is adopted for driving, a turbine worm is adopted for driving, the two angular displacement tables are complex and relatively high in cost.

The working principle of the embodiment provided by the invention is as follows: the adjusting platform can realize four-dimensional adjustment and comprises a horizontal displacement platform, a lifting platform, a rotating platform and an angular displacement platform, wherein the plurality of adjusting platforms are combined to form the four-dimensional adjusting platform, and each independent adjusting platform can adjust one dimension respectively, the testing platform can be arranged on the angular displacement platform, the angular displacement platform is arranged on the rotating platform, the rotating platform is arranged on the lifting platform, the lifting platform is arranged on the horizontal displacement platform, the horizontal displacement platform is arranged on a bottom plate through a guide rail structure, and the plurality of dimensions can be adjusted independently or simultaneously according to needs so as to adjust the testing platform to a proper position.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.