阅读说明：本技术 一种紧凑三维调整台 (Compact three-dimensional adjusting table ) 是由 康晓鹏 徐亮 李晓辉 刘勇 刘峰 于 2019-08-30 设计创作，主要内容包括：本发明涉及一种紧凑三维调整台,解决了目前调三维调整机构结构复杂,占用空间大的问题。该调整台包括自下而上依次设置的固定板、旋转板、俯仰板、平移板；旋转单元包括顶板、滑动轴套以及两组旋转调节组件；顶板安装固定板上；滑动轴套一端与旋转板下表面固连,另一端插装在固定板内；两组旋转调节组件分别位于顶板两侧,且分别向顶板施力,旋转板在滑动轴套的带动下开始旋转；俯仰板和旋转板的一侧通过球面铰接机构连接,俯仰调节单元设置在远离球面铰接机构的一侧,俯仰调节单元可使得俯仰板以球面铰接机构为铰接点上下摆动；平移板和俯仰板之间通过直线导轨副连接,平移调节单元可使得平移板沿着直线导轨副铺设方向移动。(The invention relates to a compact three-dimensional adjusting table, which solves the problems of complex structure and large occupied space of the existing three-dimensional adjusting mechanism. The adjusting table comprises a fixed plate, a rotating plate, a pitching plate and a translating plate which are arranged from bottom to top in sequence; the rotating unit comprises a top plate, a sliding shaft sleeve and two groups of rotating adjusting components; the top plate is arranged on the fixed plate; one end of the sliding shaft sleeve is fixedly connected with the lower surface of the rotating plate, and the other end of the sliding shaft sleeve is inserted in the fixed plate; the two groups of rotation adjusting assemblies are respectively positioned at two sides of the top plate and respectively apply force to the top plate, and the rotating plate starts to rotate under the driving of the sliding shaft sleeve; the pitching plate and one side of the rotating plate are connected through a spherical hinge mechanism, the pitching adjusting unit is arranged on one side far away from the spherical hinge mechanism, and the pitching adjusting unit can enable the pitching plate to swing up and down by taking the spherical hinge mechanism as a hinge point; the translation plate and the pitching plate are connected through the linear guide rail pair, and the translation adjusting unit can enable the translation plate to move along the laying direction of the linear guide rail pair.)

1. A compact three-dimensional adjustment table characterized by: the device comprises a fixed plate, a rotating plate, a pitching plate, a translation plate, a rotating unit, a pitching adjusting unit and a translation adjusting unit;

the fixed plate, the rotating plate, the pitching plate and the translation plate are sequentially arranged from bottom to top;

the rotating unit comprises a top plate, a sliding shaft sleeve and two groups of rotating adjusting components;

the top plate is arranged on the fixed plate; one end of the sliding shaft sleeve is fixedly connected with the lower surface of the rotating plate, and the other end of the sliding shaft sleeve is inserted into the fixed plate;

the two groups of rotary adjusting components are respectively positioned at two sides of the top plate; the two groups of rotation adjusting assemblies respectively apply force to the top plate, and the rotating plate starts to rotate under the driving of the sliding shaft sleeve;

the pitching plate is connected with one side of the rotating plate through a spherical hinge mechanism, the pitching adjusting unit is arranged on one side far away from the spherical hinge mechanism, and the pitching adjusting unit applies upward or downward external force to the pitching plate so that the pitching plate swings up and down by taking the spherical hinge mechanism as a hinge point;

the translation plate and the pitching plate are connected through the linear guide rail pair, and the translation adjusting unit applies horizontal thrust to the translation plate to enable the translation plate to move along the laying direction of the linear guide rail pair.

2. The compact three-dimensional adjustment table of claim 1, wherein: the spherical hinge mechanism comprises a rotating piece, a fixed piece and an anti-falling sleeve;

the rotating piece is fixedly arranged on the pitching plate, and the part of the rotating piece extending downwards is provided with a spherical bulge;

the fixed part is fixedly arranged on the rotating plate, the upper half part of the fixed part is provided with a spherical pit matched with the spherical bulge, and the lower half part of the fixed part is provided with a round hole communicated with the spherical pit;

the anti-drop sleeve comprises a lower limit plate and an upper limit stud vertically and fixedly connected with the lower limit plate; the size of the outer contour of the lower limiting plate is larger than the diameter of the round hole; and the upper limiting stud of the anti-falling sleeve penetrates through the round hole from top to bottom and then is in threaded connection with the spherical bulge.

3. The compact three-dimensional adjustment table of claim 2, wherein: the rotary adjusting component comprises an azimuth rotary adjusting screw rod and an azimuth rotary adjusting threaded sleeve; the direction rotation adjusting screw sleeve is fixedly arranged on the lower surface of the rotating plate, and after the direction rotation adjusting screw rod is in threaded fit with the direction rotation adjusting screw sleeve, the end part of the direction rotation adjusting screw rod is in contact with the top plate.

4. The compact three-dimensional adjustment table of claim 3, wherein: the pitching adjusting unit comprises a pitching adjusting screw rod and a pitching adjusting thread sleeve; the pitching adjusting threaded sleeve is fixedly embedded in the rotating plate, and after the pitching adjusting screw rod is in threaded fit with the pitching adjusting threaded sleeve, the end part of the pitching adjusting screw rod is in contact with the lower surface of the pitching plate.

5. The compact three-dimensional adjustment table of claim 4, wherein: the anti-drop thread pair is also included; the anti-drop thread pair comprises an anti-drop screw and a nut; after the anti-falling screw rod is in threaded fit with the nut and the rotating plate in sequence, the anti-falling screw rod extends out of the upper surface of the rotating plate.

6. The compact three-dimensional adjustment table of claim 5, wherein: the translation adjusting unit comprises a translation adjusting screw rod, a translation adjusting threaded sleeve and a screw rod limiting seat;

the translation adjusting screw consists of a thread section, a middle transition section and a limiting section; the outer diameter of the middle transition section is smaller than that of the threaded section and the limiting section;

the translation adjusting threaded sleeve is fixedly arranged on the lower surface of one side of the translation plate; the screw limiting seat is fixedly arranged on the pitching plate, and a through hole with the same outer diameter as the middle transition section is formed in the screw limiting seat; after the thread section of the translation adjusting screw is in threaded fit with the translation adjusting thread sleeve, the middle transition section of the translation adjusting screw is in clearance fit with the through hole of the screw limiting seat, and the limiting section of the translation adjusting screw extends out of the through hole of the screw limiting seat.

7. The compact three-dimensional adjustment table of claim 6, wherein: and a sliding bearing is arranged between the rotating plate and the fixing plate.

8. The compact three-dimensional adjustment table of claim 7, wherein: and hand wheels are arranged on the azimuth rotation adjusting screw, the pitching adjusting screw, the anti-dropping screw and the translation adjusting screw.

9. The compact three-dimensional adjustment table of claim 8, wherein: lightening holes are formed in the translation plate, the pitching plate and the rotating plate.

10. The compact three-dimensional adjustment table of claim 9, wherein: and the translation plate is provided with a mounting plate for mounting the adjusted equipment.

Technical Field

The invention belongs to the technical field of precision optical application mechanical equipment, and particularly relates to a compact three-dimensional adjusting table.

Background

The multidimensional adjusting table has the characteristics of high precision, large bearing capacity, long stroke and the like, so that the multidimensional adjusting table is widely applied to the fields of scientific research, laser application, full-automatic metering and detecting instrument equipment, industrial automation and the like. In the construction of a standard detection platform of a large-caliber optical product, the reliability of the laser interferometer support and the stability of the adjustment precision directly influence the assembly and calibration level and efficiency of the large-caliber optical product.

Due to the characteristics of large volume, heavy weight and the like of the laser interferometer, the laser interferometer is placed on a flat plate for standing or is spliced, supported and finely adjusted by using the existing shearing frame in the use process at present, the support has obvious defects, and the interferometer is unstable in support and lacks of an adjusting means. Although the multidimensional adjustment frame can meet the adjustment and use requirements through the combined design of the multidimensional moving structure according to the conventional structural design, the structure usually adopts a shaft-hole matching mode to realize the adjustment function in the pitching adjustment unit, and the shaft-hole matching requires the matching and installation of parts such as a shaft, a bearing seat, a bearing gland and the like, so that the structure of the multidimensional adjustment table is complicated, the size of the whole adjustment table in the height direction is increased, and the support and the precise adjustment of a laser interferometer or a large-caliber optical device are not facilitated.

Disclosure of Invention

The invention aims to mainly solve the problems of complex structure and large occupied space after the two-dimensional angle and one-dimensional translation adjusting mechanism is combined for use at present, and provides a compact three-dimensional adjusting table for supporting and posture adjusting of a laser interferometer or a large-caliber optical device.

The specific technical scheme of the invention is as follows:

the invention provides a compact three-dimensional adjusting table which comprises a fixed plate, a rotating plate, a pitching plate, a translation plate, a rotating unit, a pitching adjusting unit and a translation adjusting unit, wherein the fixed plate is fixed on the rotating plate;

the fixed plate, the rotating plate, the pitching plate and the translation plate are sequentially arranged from bottom to top;

the rotating unit comprises a top plate, a sliding shaft sleeve and two groups of rotating adjusting components;

the top plate is arranged on the fixed plate; one end of the sliding shaft sleeve is fixedly connected with the lower surface of the rotating plate, and the other end of the sliding shaft sleeve is inserted into the fixed plate;

the two groups of rotary adjusting components are respectively positioned at two sides of the top plate; the two groups of rotation adjusting assemblies respectively apply force to the top plate, and the rotating plate starts to rotate under the driving of the sliding shaft sleeve;

the pitching plate is connected with one side of the rotating plate through a spherical hinge mechanism, the pitching adjusting unit is arranged on one side far away from the spherical hinge mechanism, and the pitching adjusting unit applies upward or downward external force to the pitching plate so that the pitching plate swings up and down by taking the spherical hinge mechanism as a hinge point;

the translation plate and the pitching plate are connected through the linear guide rail pair, and the translation adjusting unit applies horizontal thrust to the translation plate to enable the translation plate to move along the laying direction of the linear guide rail pair.

Furthermore, in order to achieve the purpose of up-and-down swinging of the pitching plate and meet the requirements of compact structure and high reliability in the swinging process, the spherical hinge mechanism comprises a rotating part, a fixing part and an anti-dropping sleeve;

the rotating piece is fixedly arranged on the pitching plate, and the part of the rotating piece extending downwards is provided with a spherical bulge;

the fixed part is fixedly arranged on the rotating plate, the upper half part of the fixed part is provided with a spherical pit matched with the spherical bulge, and the lower half part of the fixed part is provided with a round hole communicated with the spherical pit;

the anti-drop sleeve comprises a lower limit plate and an upper limit stud vertically and fixedly connected with the lower limit plate; the size of the outer contour of the lower limiting plate is larger than the diameter of the round hole; and an upper limiting stud of the anti-release sleeve penetrates through the round hole from bottom to top and then is in threaded connection with the spherical protrusion.

Furthermore, the rotation adjusting assembly comprises an azimuth rotation adjusting threaded sleeve fixedly arranged on the lower surface of the rotating plate, and after the azimuth rotation adjusting screw is in threaded fit with the azimuth rotation adjusting threaded sleeve, the end part of the azimuth rotation adjusting screw is in contact with the top plate.

Further, the pitch adjusting unit comprises a pitch adjusting screw rod and a pitch adjusting thread sleeve; the pitching adjusting threaded sleeve is fixedly embedded in the rotating plate, and after the pitching adjusting screw rod is in threaded fit with the pitching adjusting threaded sleeve, the end part of the pitching adjusting screw rod is in contact with the lower surface of the pitching plate.

Furthermore, in order to prevent the adjusting table from being disconnected between the pitching plate and the rotating plate in the moving and carrying processes, the adjusting table further comprises an anti-dropping thread pair; the anti-drop thread pair comprises an anti-drop screw and a nut; after the anti-falling screw rod is in threaded fit with the nut and the rotating plate in sequence, the anti-falling screw rod extends out of the upper surface of the rotating plate.

Further, the translation adjusting unit comprises a translation adjusting screw rod, a translation adjusting threaded sleeve and a screw rod limiting seat;

the translation adjusting screw consists of a thread section, a middle transition section and a limiting section; the outer diameter of the middle transition section is smaller than that of the threaded section and the limiting section;

the translation adjusting threaded sleeve is fixedly arranged on the lower surface of one side of the translation plate; the screw limiting seat is fixedly arranged on the pitching plate, and a through hole with the same outer diameter as the middle transition section is formed in the screw limiting seat; after the thread section of the translation adjusting screw is in threaded fit with the translation adjusting thread sleeve, the middle transition section of the translation adjusting screw is in clearance fit with the through hole of the screw limiting seat, and the limiting section of the translation adjusting screw extends out of the through hole of the screw limiting seat.

Further, in order to make the rotation process of the rotating plate smoother, a sliding bearing is provided between the rotating plate and the fixing plate.

Further, hand wheels are mounted on the azimuth rotation adjusting screw, the pitching adjusting screw, the anti-drop screw and the translation adjusting screw, manual driving can be achieved by adopting other square heads and the like, and further, in order to achieve automatic adjustment, the hand wheels can be replaced by motors.

Furthermore, in order to reduce the weight of the whole adjusting table, the translation plate, the pitching plate and the rotating plate are provided with lightening holes.

Further, a mounting plate for mounting the adjusted equipment is arranged on the translation plate. The number, the size and the arrangement position of the mounting plates can be designed according to the adjusted piece.

The invention has the beneficial effects that:

1. according to the invention, the fixed plate, the rotating plate, the pitching plate and the translation plate are sequentially arranged from bottom to top, and the posture of the adjusted piece is adjusted by utilizing the rotating unit, the pitching adjusting unit and the translation adjusting unit, so that the adjustable device has the advantages of compact structure, convenience in adjustment, high precision, good stability and the like; particularly, the pitching adjusting unit of the adjusting table realizes the adjusting function through the spherical hinge mechanism, the height of the adjusting mechanism is greatly reduced, and the height of the adjusting table is only 1/3 designed conventionally, so that the structure is more compact.

2. The invention adopts the rotation adjusting component, the pitching adjusting unit and the translation adjusting unit to realize adjustment by adopting the matching of the screw rod and the threaded sleeve, has simple structure and low manufacturing cost, saves space and is easy to popularize and use.

3. The translation adjusting unit formed by the translation adjusting screw rod, the translation adjusting threaded sleeve and the screw rod limiting seat enables reciprocating movement in the horizontal direction to be completed through the simple structure through the sectional type ingenious design of the translation adjusting screw rod, and meanwhile, the screw rod limiting seat can control the movement stroke, so that the reliability of the adjusting process is ensured.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a block diagram of a translation adjustment screw;

fig. 5 is an enlarged view of fig. 2 at a.

The reference numbers are as follows:

1-fixed plate, 2-rotating plate, 3-pitching plate, 4-translation plate, 5-rotation unit, 6-pitching adjustment unit, 7-translation adjustment unit, 8-top plate, 9-sliding shaft sleeve, 10-rotation adjustment component, 11-spherical hinge mechanism, 12-linear guide rail pair, 13-sliding bearing, 14-azimuth rotation adjustment screw, 15-azimuth rotation adjustment screw sleeve, 16-pitching adjustment screw, 17-pitching adjustment screw sleeve, 18-anti-disengagement screw pair, 19-anti-disengagement screw, 20-nut, 21-translation adjustment screw, 22-translation adjustment screw sleeve, 23-screw limiting seat, 24-thread section, 25-intermediate transition section, 26-limiting section, 27-rotation part, 28-fixing piece, 29-anti-drop sleeve, 30-spherical protrusion, 31-spherical pit, 32-round hole, 33-lower limiting plate and 34-upper limiting stud.

Detailed Description

To make the objects, advantages and features of the present invention more apparent, a compact three-dimensional adjustment stage according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It should be noted that: the drawings are in simplified form and are not to precise scale, the intention being solely for the convenience and clarity of illustrating embodiments of the invention; secondly, the structures shown in the drawings are often part of the actual structure; again, the drawings may require different emphasis, sometimes on different proportions.

The basic framework of the three-dimensional adjusting table in the embodiment is as follows:

as shown in fig. 1, 2 and 3, the device comprises a fixed plate 1, a rotating plate 2, a pitching plate 3, a translation plate 4, a rotating unit 5, a pitching adjusting unit 6 and a translation adjusting unit 7;

the fixed plate 1, the rotating plate 2, the pitching plate 3 and the translation plate 4 are sequentially arranged from bottom to top;

the rotating unit 5 comprises a top plate 8, a sliding shaft sleeve 9 and two groups of rotating adjusting components 10;

the top plate 8 is arranged on the fixed plate 1; one end of a sliding shaft sleeve 9 is fixedly connected with the lower surface of the rotating plate 2, and the other end of the sliding shaft sleeve is inserted in the fixed plate 1;

the two groups of rotary adjusting components 10 are respectively positioned at two sides of the top plate 8; the two groups of rotation adjusting assemblies 10 apply force to the top plate 8 respectively, and the rotating plate 2 starts to rotate under the driving of the sliding shaft sleeve 9;

the pitching plate 3 is connected with one side of the rotating plate 2 through a spherical hinge mechanism 11, the pitching adjusting unit 6 is arranged at one side far away from the spherical hinge mechanism 11, and the pitching adjusting unit 6 applies upward or downward external force to the pitching plate 3, so that the pitching plate 3 swings up and down by taking the spherical hinge mechanism 11 as a hinge point;

the translation plate 4 and the pitching plate 3 are connected through a linear guide rail pair 12, and the translation adjusting unit 7 applies horizontal thrust to the translation plate to enable the translation plate 4 to move along the laying direction of the linear guide rail pair 12;

in order to make the rotation process of the rotating plate smoother and reduce the abrasion between the rotating plate 2 and the fixed plate 1, a sliding bearing 13 is provided between the rotating plate 2 and the fixed plate 1.

The following detailed description of the core components of the three-dimensional adjusting table provided by the embodiment is made in conjunction with the accompanying drawings:

as shown in fig. 2 and 3, the rotation adjustment assembly 10 includes an azimuth rotation adjustment screw 14 and an azimuth rotation adjustment screw 15; the azimuth rotation adjusting screw sleeve 15 is fixedly arranged on the lower surface of the rotating plate 2, and after the azimuth rotation adjusting screw 14 is in threaded fit with the azimuth rotation adjusting screw sleeve 15, the end part of the azimuth rotation adjusting screw 14 is in contact with the top plate 8. During operation, the azimuth rotation adjusting screw 14 is rotated, the azimuth rotation adjusting threaded sleeve 15 moves along the azimuth rotation adjusting screw 14, and then the rotating plate 2 rotates around the center of the sliding shaft sleeve 3, namely, the rotation adjusting function is realized. Because the rotary adjusting assemblies are two groups, the clockwise and anticlockwise rotation of the adjusting table can be realized.

The pitch adjustment unit 6 includes a pitch adjustment screw 16 and a pitch adjustment thread bushing 17; the pitch adjusting threaded sleeve 17 is fixedly embedded in the rotating plate 2, and after the pitch adjusting screw rod 16 is in threaded fit with the pitch adjusting threaded sleeve 17, the end part of the pitch adjusting screw rod 16 is in contact with the lower surface of the pitch plate 3. By rotating the pitch adjusting screw 16, the pitch adjusting screw 16 is lifted, and further the pitch plate 3 swings around the spherical hinge mechanism 11, namely the pitch adjusting function of the adjusting table is realized. On the basis of the structure, the invention also provides an anti-falling thread pair 18; the anti-drop thread pair 18 comprises an anti-drop screw rod 19 and a nut 20; after the anti-falling screw rod 19 is in threaded fit with the nut 20 and the rotating plate 2 in sequence, the anti-falling screw rod 19 extends out of the upper surface of the rotating plate 2, and when the locking is needed, the nut is screwed down to enable the nut to be tightly pressed on the lower surface of the rotating plate, so that the anti-falling function is realized.

As shown in fig. 2 and 4, the translation adjusting unit 7 includes a translation adjusting screw 21, a translation adjusting threaded sleeve 22, and a screw limiting seat 23; the translation adjusting screw 21 consists of a threaded section 24, a middle transition section 25 and a limiting section 26; the outer diameter of the intermediate transition section 25 is smaller than that of the threaded section 24 and the limiting section 26; the translation adjusting threaded sleeve 22 is fixedly arranged on the lower surface of one side of the translation plate 4; the screw limiting seat 23 is fixedly arranged on the pitching plate 3, and a through hole with the same outer diameter as the middle transition section 25 is formed in the screw limiting seat 23; the thread section 24 of the translation adjusting screw 21 is in threaded fit with the translation adjusting thread sleeve 22, the middle transition section 25 of the translation adjusting screw 21 is in clearance fit with the through hole of the screw limiting seat 23, and the limiting section 26 of the translation adjusting screw 21 extends out of the through hole of the screw limiting seat 23. Through rotating the translation adjusting screw 21, the translation adjusting threaded sleeve 22 moves axially along the translation adjusting screw 21, and then the translation plate 4 moves linearly along the linear guide rail pair 12, namely, the translation adjusting function of the adjusting table is realized. Here, the screw stopper 23 may also limit the moving stroke of the translation plate 4.

As shown in fig. 2 and 5, the spherical hinge mechanism 11 includes a rotary member 27, a fixed member 28, and an anti-slip cover 29; the rotating piece 27 is fixedly arranged on the pitching plate 3, and a part of the rotating piece 27 extending downwards is provided with a spherical protrusion 30; the fixed part 28 is fixedly arranged on the rotating plate 2, the upper half part of the fixed part 28 is provided with a spherical pit 31 matched with the spherical bulge 30, and the lower half part of the fixed part 28 is provided with a round hole 32 communicated with the spherical pit 31; the anti-release sleeve 29 comprises a lower limiting plate 33 and an upper limiting stud 34 vertically and fixedly connected with the lower limiting plate 33; the outer contour dimension of the lower limiting plate 33 is larger than the diameter of the round hole 32; an upper limiting stud 34 of the anti-release sleeve 29 penetrates through the round hole 32 from bottom to top and then is in threaded connection with the spherical protrusion 30.

In addition, there are several points to be emphasized in this embodiment:

1. all install the hand wheel on direction rotation adjusting screw, every single move adjusting screw, anticreep screw and the translation adjusting screw, realize rotating through the hand wheel, also can adopt modes such as other square heads to realize manual drive, in some special occasions of needs in order to realize automatic adjustment, the hand wheel also can adopt the motor to replace.

2. In order to reduce the weight of the whole adjusting table, lightening holes are formed in the translation plate, the pitching plate and the rotating plate.

3. And the translation plate is provided with a mounting plate for mounting the adjusted equipment. The number, the size and the arrangement position of the mounting plates can be designed according to the adjusted piece.

The rotating module formed by the rotating plate 2 and the rotating unit 5 is positioned at the bottommost layer of the adjusting platform, the pitching module formed by the pitching plate 3 and the pitching adjusting unit 6 is positioned at the middle layer of the adjusting platform, and the translation module formed by the translation plate 4 and the translation adjusting unit 7 is positioned at the topmost layer of the adjusting platform.

Finally, it should be noted that the above description is only for describing the preferred embodiments of the present invention, and not for limiting the scope of the present invention, and that any changes and modifications made by those skilled in the art according to the above disclosure are all within the scope of the appended claims.