CN214751007U

CN214751007U - Precise three-dimensional adjusting device

Info

Publication number: CN214751007U
Application number: CN202120685321.5U
Authority: CN
Inventors: 方懿; 王弼陡; 王振亚; 崔雷; 周旻超
Original assignee: Suzhou Institute of Biomedical Engineering and Technology of CAS
Current assignee: Suzhou Institute of Biomedical Engineering and Technology of CAS
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-16
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a precise three-dimensional adjusting device, which comprises an X-direction fine adjustment component, a Y-direction fine adjustment component, a Z-direction adjusting piece, an X-direction adjusting plate, a Y-direction adjusting plate and a Z-direction adjusting cylinder; the X-direction fine adjustment assembly enables the X-direction adjusting plate to move along the X axis; the Y-direction fine adjustment assembly enables the Y-direction adjusting plate to move along the Y axis; the Z-direction adjusting piece enables the Z-direction adjusting cylinder to move along the Z axis. The utility model integrates X, Y, Z adjustment of three degrees of freedom; compared with the similar products, the volume is greatly reduced, which is beneficial to simplifying the light path, thereby reducing the volume of the instrument; the center of the optical axis is always kept unchanged when the three degrees of freedom of the device are adjusted, so that the quality and the efficiency of an optical path are improved; x, Y directions respectively use a double locking mode, and the Z direction adds a locking effect, so that the stability of the device is greatly improved; x is to, Y is to, Z is to the regulation of meticulous screw thread for the device is along X, Y and the three direction homoenergetic of Z meticulous fine setting in the scope of positive and negative 2mm, improves light path efficiency greatly.

Description

Precise three-dimensional adjusting device

Technical Field

The utility model relates to the field of optical technology, concretely relates to accurate three-dimensional adjusting device.

Background

The three-dimensional adjusting frame mainly has the function of XYZ three-dimensional adjustment, and the position and the height of optical elements such as optical fibers, lenses and the like need to be strictly controlled in a precise optical instrument. Most three-dimensional adjusting frames have three problems at present: first, the adjustment accuracy is not sufficient; secondly, the adjustment precision is enough, but the size is larger, so that the device is not suitable for small-sized precise optical instruments; thirdly, the size is small and exquisite, and the precision is high, but stability is relatively poor.

Therefore, it is necessary to provide an adjusting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the weak point of prior art, the utility model aims to provide an accurate three-dimensional adjusting device.

The technical scheme of the utility model outlines as follows:

the utility model provides a precise three-dimensional adjusting device, which comprises an X-direction fine adjustment component, a Y-direction fine adjustment component, a Z-direction adjusting piece, an X-direction adjusting plate, a Y-direction adjusting plate and a Z-direction adjusting cylinder; the Y-direction adjusting plate is connected with the X-direction adjusting plate, and the Z-direction adjusting cylinder is positioned in the Y-direction adjusting plate; the X-direction fine adjustment assembly enables the X-direction adjusting plate to move along an X axis; the Y-direction fine adjustment assembly enables the Y-direction adjusting plate to move along a Y axis; the Z-direction adjusting piece enables the Z-direction adjusting cylinder to move along the Z axis.

Further, the X-direction adjusting plate and the Y-direction adjusting plate are located in the support.

Further, still include first extension spring, first extension spring is located X is to fine setting subassembly with X is to the regulating plate between.

Furthermore, the X-direction fine adjustment assembly comprises a first screw rod, a first nut, a first sleeve and a first fine adjustment frame; the first screw rod moves in the first sleeve to enable the X-direction adjusting plate to move along an X axis, and the first sleeve is located in the first fine adjustment; the first screw is locked by the first nut.

Furthermore, the number of the first tension springs is at least two, and the two first tension springs are uniformly distributed on two sides of the first screw rod.

Further, still include the second extension spring, the second extension spring is located Y is to fine setting subassembly with Y is to the regulating plate between.

Furthermore, the Y-direction fine adjustment assembly comprises a second screw, a second nut, a second sleeve and a second fine adjustment frame; the second screw rod moves in the second sleeve to enable the adjusting plate located in the Y direction to move along the Y axis; the second sleeve is positioned in the second fine adjustment frame; the second screw is locked by the second nut.

Furthermore, the number of the second tension springs is at least two, and the two second tension springs are uniformly distributed on two sides of the second screw rod.

Furthermore, the Z-direction adjusting piece is a Z-direction adjusting nut, and the Z-direction adjusting nut is in threaded connection with the Z-direction adjusting cylinder; the precise three-dimensional adjusting device further comprises a positioning jackscrew, an elongated slot is formed in the Z-axis of the Z-direction adjusting cylinder, one end of the positioning jackscrew is installed on the Y-direction adjusting plate, and the other end of the positioning jackscrew is located in the elongated slot in the Z-direction adjusting cylinder, so that when the Z-direction adjusting nut rotates, the Z-direction adjusting cylinder moves back and forth along the Z-axis under the limitation of the positioning jackscrew.

Furthermore, the device also comprises an X-direction locking screw, a Y-direction locking screw and a Z-direction locking snap ring; the X-direction locking screw locks the X-direction adjustment after the adjustment is finished, the Y-direction locking screw locks the Y-direction adjustment after the adjustment is finished, and the Z-direction locking snap ring locks the Z-direction adjusting cylinder after the adjustment is finished.

Compared with the prior art, the beneficial effects of the utility model reside in that: the three-dimensional adjusting device provided by the utility model integrates X, Y, Z adjustment of three degrees of freedom; compared with the similar products, the volume is greatly reduced, which is beneficial to simplifying the light path, thereby reducing the volume of the instrument; the center of the optical axis is always kept unchanged when the three degrees of freedom of the device are adjusted, so that the quality and the efficiency of an optical path are improved; x, Y directions respectively use a double locking mode, and the Z direction adds a locking effect, so that the stability of the device is greatly improved; x is to, Y is to, Z is to the regulation of meticulous screw thread for the device is along X, Y and the three direction homoenergetic of Z meticulous fine setting in the scope of positive and negative 2mm, improves light path efficiency greatly.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a three-dimensional schematic view of a precision three-dimensional adjusting apparatus according to the present invention;

fig. 2 is another three-dimensional schematic view of a precision three-dimensional adjusting apparatus according to the present invention;

fig. 3 is a plan view of a precision three-dimensional adjusting apparatus according to the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a side view of a precision three-dimensional adjusting apparatus according to the present invention;

FIG. 7 is a cross-sectional view of C-C of FIG. 6;

fig. 8 is an exploded view of a precision three-dimensional adjusting device according to the present invention;

fig. 9 is a partially exploded view of a precision three-dimensional adjusting device according to the present invention.

Reference numerals: 10. an X-direction fine adjustment component; 101. a first screw; 102. a first nut; 103. a first sleeve; 104. a first fine adjustment frame; 11. an X-direction adjusting plate; 111. a first bar-shaped groove; 12. locking nuts in the X direction; 20. a Y-direction fine adjustment component; 201. a second screw; 2011. a bulbous top; 202. a second nut; 203. a second sleeve; 204. a second fine tuning frame; 205. a second tension spring; 21. a Y-direction adjusting plate; 211. a second strip groove; 22. a Y-direction locking nut; 30. a Z-direction adjusting nut; 31. a Z-direction adjusting cylinder; 311. a long groove; 310. a first snap ring; 320. a second snap ring; 330. an O-shaped ring; 40. a support; 50. a cover body; 60. fixing a tension spring; 70. and positioning the jackscrew.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict. It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-9, the present invention provides a precise three-dimensional adjusting device, which comprises an X-direction fine adjustment assembly 10, a Y-direction fine adjustment assembly 20, a Z-direction adjustment member, an X-direction adjustment plate 11, a Y-direction adjustment plate 21, and a Z-direction adjustment cylinder 31; the Y-direction adjusting plate 21 is connected with the X-direction adjusting plate 11, and the Z-direction adjusting cylinder 31 is positioned in the Y-direction adjusting plate 21; the X-direction fine adjustment assembly 10 enables the X-direction adjusting plate 11 to move along the X axis; the Y-direction fine adjustment assembly 20 enables the Y-direction adjustment plate 21 to move along the Y axis; the Z-adjustment member moves the Z-adjustment cylinder 31 along the Z-axis.

The precise three-dimensional adjusting device further comprises a bracket 40 and a cover 50, wherein the X-direction adjusting plate 11 and the Y-direction adjusting plate 21 are positioned in the bracket, and the bracket 40 and the cover 50 form a shell for accommodating the X-direction adjusting plate 11 and the Y-direction adjusting plate 21.

The X-direction fine adjustment assembly further comprises a first tension spring and a second tension spring 205, wherein the first tension spring is positioned between the X-direction fine adjustment assembly 10 and the X-direction adjusting plate 11; a second tension spring 205 is located between the Y-fine adjustment assembly 20 and the Y-adjustment plate 21. The X-direction adjusting plate 11 is returned by the first tension spring, and the Y-direction adjusting plate 21 is returned by the second tension spring 205.

Referring to fig. 4, the X-direction fine adjustment assembly 10 includes a first screw 101, a first nut 102, a first sleeve 103, and a first fine adjustment frame 104; wherein, the first screw 101 moves in the first sleeve 103, so that the X-direction adjusting plate 11 moves along the X-axis, and the first sleeve 103 is located in the first fine adjustment frame 104; the first screw 101 is locked by the first nut 102 after rotating to a certain position.

The number of the first tension springs is at least two, and the two first tension springs are uniformly distributed on two sides of the first screw rod 101.

Preferably, a first pin is provided on the X-direction adjusting plate 11, and the first pin is opposite to the first screw 101. In other embodiments, the first pin may not be provided, and the first screw 101 directly abuts against the X-direction adjusting plate 11.

Specifically, two pins are mounted on the first fine adjustment frame 104, and two pins are mounted on the X-direction adjustment plate to fix two ends of the first tension spring respectively, so that reverse displacement of the first fine adjustment frame 104 is prevented.

The first sleeve 103 is positioned in the first fine adjustment frame 104, the first screw 101 is screwed out of the first sleeve 103, the top of the first screw 101 is of a spherical structure, and the first screw 101 always abuts against the pin of the X-direction adjusting plate 11 under the action of two first tension springs. Screwing in the first screw 101 can push the X-direction adjusting plate 11 and other components mounted on the X-direction adjusting plate to move along the X-axis in the transverse direction in fig. 1-3, screwing out the first screw 101, and under the action of the two first tension springs, the X-direction adjusting plate 11 and other components mounted on the X-direction adjusting plate are reset along the X-axis (i.e. in the transverse direction in fig. 1-3), so as to realize the left-right adjustment of the X-axis. After adjustment to the proper position, the first nut is tightened.

Referring to fig. 5 and 7, the Y-fine tuning assembly 20 includes a second screw 201, a second nut 202, a second sleeve 203, and a second fine tuning frame 204; the second screw 201 moves in the second sleeve 203, so that the adjusting plate 21 in the Y direction moves along the Y axis; the second sleeve 203 is positioned in the second fine adjustment bracket 204; the second screw 201 is locked 202 by a second nut.

The number of the second tension springs 205 is at least two, and the two second tension springs 205 are uniformly distributed on two sides of the second screw 201.

Preferably, a second pin is provided on the Y-direction adjusting plate 21, and the second pin is opposite to the second screw 201. In other embodiments, the second pin may not be provided, and the second screw 201 directly abuts against the Y-direction adjusting plate 21.

Specifically, two pins are mounted on the second fine adjustment frame 204, and two pins are mounted on the Y-direction adjustment plate to fix two ends of the second tension spring respectively, so as to prevent the second fine adjustment frame 204 from moving reversely.

The second sleeve 203 is located in the second fine adjustment frame 204, the second screw 201 is screwed in and out of the second sleeve 203, the top of the second screw 201 is a spherical top 2011, and under the action of two second tension springs, the second screw 201 always abuts against the pin of the Y-direction adjustment plate 21. Screwing in the second screw 201 can push the Y-direction adjusting plate 21 and other components mounted on the Y-direction adjusting plate 21 to move in the longitudinal direction of fig. 1-3 along the Y-axis, screwing out the second screw 201, and under the action of the two second tension springs 205, the Y-direction adjusting plate 21 and other components mounted thereon are reset along the Y-axis (i.e., in the longitudinal direction of fig. 1-3), so as to realize left-right adjustment of the Y-axis. After adjustment to the proper position, second nut 202 is tightened.

The utility model discloses still include X to lock nut 12 and Y to lock nut 22. The X-direction lock nut 12 locks the X-direction adjustment after the adjustment is completed, and the Y-direction lock nut 22 locks the Y-direction adjustment after the adjustment is completed.

Preferably, the X-direction adjusting plate 11 is provided with a first bar-shaped groove 111, and the length of the first bar-shaped groove 111 in the X-axis is greater than that in the Y-axis, in other words, the length direction of the first bar-shaped groove 111 coincides with the movement direction of the X-direction adjusting plate. The X-direction adjusting plate 11 is mounted on the bracket 40 by the X-direction adjusting plate 11 through the X-direction locking nut 12, and the X-direction adjusting plate 11 can be locked on the bracket 40 again through the X-direction locking nut 12 after the X-direction adjusting plate is moved to a proper position on the 11X-axis due to the first strip-shaped groove 111 on the X-direction adjusting plate 11.

Preferably, the Y-directional adjustment plate 21 is provided with a second strip-shaped groove 211, and the length of the second strip-shaped groove 211 in the Y-axis is greater than that in the X-axis, in other words, the length direction of the second strip-shaped groove 211 is consistent with the movement direction of the Y-directional adjustment plate. The Y-direction adjusting plate 21 is installed on the X-direction adjusting plate 11 by the Y-direction adjusting plate 21 through the Y-direction locking nut 22, and the Y-direction adjusting plate 21 can be locked on the X-direction adjusting plate 11 again through the Y-direction locking nut 22 after the Y-direction adjusting plate 21 moves to a proper position on the Y-axis due to the second strip-shaped groove 211 on the Y-direction adjusting plate 21.

It can be understood that the utility model discloses still include fixed extension spring 60, X is connected on support 40 to four angles of regulating plate 11, Y to regulating plate 21 through four fixed extension springs 60 for X can be smoothly can not drop again to adjusting and Y. Meanwhile, four corners of the X-axis adjusting plate 11 are further fastened to the locking nut 12 through four X-axis, four corners of the Y-axis adjusting plate 21 are further fastened to the locking nut 22 through four Y-axis, and X, Y are respectively in a double-locking mode, so that the stability of the device is greatly improved.

Preferably, the first fine adjustment frame 104 is installed on the support 40, the second fine adjustment frame 204 is installed on the X-direction adjustment plate 11, a central hole is formed between the X-direction adjustment plate 11 and the Y-direction adjustment plate 21 for installing the Z-direction adjustment cylinder 31, a to-be-adjusted member is installed in the Z-direction adjustment cylinder 31, and the axial movement of the X-direction adjustment plate 11 and the Y-direction adjustment plate 21 realizes the movement of the to-be-adjusted member on the X, Y axis.

The Z-direction adjusting member is a Z-direction adjusting nut 30, the Z-direction adjusting nut 30 is screwed with a Z-direction adjusting cylinder 31, the precise three-dimensional adjusting device further includes a positioning jackscrew 70, referring to fig. 8, the Z-direction adjusting cylinder 31 is provided with a long groove 311 on the Z axis, the length direction of the long groove 311 is the Z axis, in other words, the length of the long groove 311 is located on the Z axis, one end of the positioning jackscrew 70 is installed on the Y-direction adjusting plate 21, and the other end is located on the long groove 311 on the Z-direction adjusting cylinder 31, so that when the Z-direction adjusting nut 30 rotates, the Z-direction adjusting cylinder 31 moves back and forth along the Z axis under the restriction of the positioning jackscrew 70. It will be appreciated that the restriction of the positioning jackscrew 70 within the elongated slot 311 translates rotational movement of the Z-adjust nut 30 into linear movement of the Z-adjust barrel 31.

Specifically, the positioning jackscrew 70 includes a steel ball, a pressure spring, and a flat-end jackscrew, and the steel ball is pressed tightly in the long groove 311 in the Z-axis adjusting cylinder 31.

Preferably, the precise three-dimensional adjusting device further comprises an O-ring 330, and the O-ring 330 is located between the Z-adjusting nut 30 and the Z-adjusting cylinder to provide slight damping, so that the rotation adjustment of the Z-adjusting nut can be controlled and kept stable.

The precise three-dimensional adjusting device also comprises a Z-direction locking snap ring; the Z-direction locking snap ring locks the Z-direction adjusting cylinder after the Z-direction locking snap ring is adjusted. The Z-direction locking snap ring comprises a first snap ring 310 and a second snap ring 320, the first snap ring 310 and the second snap ring 320 are respectively located at two ends of the Z-direction adjusting cylinder 31, the two ends of the Z-direction adjusting cylinder 31 are locked by the snap rings after the Z-direction adjusting cylinder 31 is adjusted, and the snap rings are of a snap ring structure in the prior art and are not cumbersome.

The three-dimensional adjusting device provided by the utility model integrates X, Y, Z adjustment of three degrees of freedom; compared with the similar products, the volume is greatly reduced, which is beneficial to simplifying the light path, thereby reducing the volume of the instrument; the center of the optical axis is always kept unchanged when the three degrees of freedom of the device are adjusted, so that the quality and the efficiency of an optical path are improved; x, Y directions respectively use a double locking mode, and the Z direction adds a locking effect, so that the stability of the device is greatly improved; x is to, Y is to, Z is to the regulation of meticulous screw thread for the device is along X, Y and the three direction homoenergetic of Z meticulous fine setting in the scope of positive and negative 2mm, improves light path efficiency greatly.

It should be noted that: the above sequence of the embodiments of the present invention is only for description, and does not represent the advantages and disadvantages of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The foregoing description has disclosed fully the embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the claims of the present invention. Accordingly, the scope of the claims of the present invention is not to be limited to the specific embodiments described above.

Claims

1. A precise three-dimensional adjusting device is characterized by comprising an X-direction fine adjusting component, a Y-direction fine adjusting component, a Z-direction adjusting piece, an X-direction adjusting plate, a Y-direction adjusting plate and a Z-direction adjusting cylinder; the Y-direction adjusting plate is connected with the X-direction adjusting plate, and the Z-direction adjusting cylinder is positioned in the Y-direction adjusting plate;

the X-direction fine adjustment assembly enables the X-direction adjusting plate to move along an X axis; the Y-direction fine adjustment assembly enables the Y-direction adjusting plate to move along a Y axis; the Z-direction adjusting piece enables the Z-direction adjusting cylinder to move along the Z axis.

2. The apparatus of claim 1, further comprising a frame, wherein the X-direction adjustment plate and the Y-direction adjustment plate are located in the frame.

3. The apparatus of claim 2, further comprising a first tension spring disposed between the X-direction fine adjustment assembly and the X-direction adjustment plate.

4. The apparatus of claim 3, wherein the X-direction fine adjustment assembly comprises a first screw, a first nut, a first sleeve, and a first fine adjustment frame; the first screw rod moves in the first sleeve to enable the X-direction adjusting plate to move along an X axis, and the first sleeve is located in the first fine adjustment frame; the first screw is locked by the first nut.

5. The precise three-dimensional adjusting device according to claim 4, wherein the number of the first tension springs is at least two, and the two first tension springs are uniformly distributed on both sides of the first screw rod.

6. The apparatus of claim 2, further comprising a second tension spring disposed between the Y-fine adjustment assembly and the Y-adjustment plate.

7. The apparatus of claim 6, wherein the Y-fine adjustment assembly comprises a second screw, a second nut, a second sleeve, and a second fine adjustment bracket; the second screw rod moves in the second sleeve to enable the adjusting plate located in the Y direction to move along the Y axis; the second sleeve is positioned in the second fine adjustment frame; the second screw is locked by the second nut.

8. The precise three-dimensional adjusting device according to claim 7, wherein the number of the second tension springs is at least two, and the two second tension springs are uniformly distributed on both sides of the second screw rod.

9. The precise three-dimensional adjusting device as claimed in claim 1, wherein the Z-direction adjusting piece is a Z-direction adjusting nut, and the Z-direction adjusting nut is in threaded connection with the Z-direction adjusting cylinder; the precise three-dimensional adjusting device further comprises a positioning jackscrew, an elongated slot is formed in the Z-axis of the Z-direction adjusting cylinder, one end of the positioning jackscrew is installed on the Y-direction adjusting plate, and the other end of the positioning jackscrew is located in the elongated slot in the Z-direction adjusting cylinder, so that when the Z-direction adjusting nut rotates, the Z-direction adjusting cylinder moves back and forth along the Z-axis under the limitation of the positioning jackscrew.

10. The precision three-dimensional adjusting device according to claim 9, further comprising an X-direction locking screw, a Y-direction locking screw and a Z-direction locking snap ring; the X-direction locking screw locks the X-direction adjustment after the adjustment is finished, the Y-direction locking screw locks the Y-direction adjustment after the adjustment is finished, and the Z-direction locking snap ring locks the Z-direction adjusting cylinder after the adjustment is finished.