Optical communication six-free-axis precision adjusting device

Abstract

The utility model discloses an optical communication six-free-axis precision adjusting device which comprises an X-axis and Y-axis linear motor motion platform, a triangular adapter plate, a plurality of high-precision electric displacement tables, a plurality of inclined wedge sliding tables, a DD motor and an optical fiber coupling mechanism. Through cooperation of the XY-axis linear motor motion platform, the high-precision electric displacement table, the inclined wedge sliding table and the DD motor, the XY-axis linear motor motion platform can achieve two-axis movement in a plane, horizontal linear movement of the high-precision electric displacement table can be converted into vertical lifting movement through the inclined wedge sliding table, and compared with a traditional lifting mechanism, the load is larger, operation is more stable, and the lifting efficiency is improved. The displacement platforms are matched with the inclined wedge sliding tables to form a parallel mechanism, each displacement platform independently moves or moves in a combined mode to achieve adjusting actions in the alpha / beta / gamma direction, complex multi-axis motion trails can be executed, and therefore high-precision adjustment can be conducted on six free axes in the space at the same time, large adjusting precision and large adjusting space can be achieved in the compact space, and the adjustment efficiency is improved. The whole structure is small, and the occupied space is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to motion platform technical field especially relates to a light communication six freedom axis precision adjusting device. BACKGROUND

[0002] With the development of optical communication industry is faster and faster, the requirement of precision is also increasing. Precision adjusting device is a very common component in optical communication equipment, the precision adjusting device on the market generally only has two axis or three axis adjustment, and six axis adjustment adjusting device is rarely seen. With the development of manufacturing technology, the performance requirement of precision adjusting device is higher and higher. The existing precision adjusting device has the following problems:

[0003] 1. The existing precision adjusting device cannot simultaneously adjust six dimensions (X / Y / Z / alpha / beta / gamma) with high precision.

[0004] 2. The overall structure of the existing precision adjusting device is large, and has certain limitations for small space installation and use conditions.

[0005] 3. Most of the existing precision adjusting devices are manually adjusted, with poor precision and low efficiency.

[0006] Therefore, in view of the above problems, it is urgent to make innovative design on the basis of the original precision adjusting device. SUMMARY

[0007] The utility model overcomes the insufficient prior art, provides a kind of light communication six freedom axis precision adjusting device.

[0008] To achieve the above purpose, the technical scheme adopted by the utility model is as follows: a kind of light communication six freedom axis precision adjusting device, comprising: XY axis linear motor motion platform, triangular adapter plate, several high-precision electric displacement tables, several inclined contract sliding tables, DD motor, optical fiber coupling mechanism;

[0009] The XY axis linear motor motion platform is used to realize the linear motion in X and Y axis directions;

[0010] The triangular adapter plate is arranged on the top of the XY axis linear motor motion platform, and is used to support and fix;

[0011] Several high-precision electric displacement tables are arranged on the top of the triangular adapter plate, and are used to realize the linear motion in alpha, beta and gamma axis directions alone or jointly;

[0012] Several inclined contract sliding tables are arranged on the top of several high-precision electric displacement tables, and are used to convert the linear motion of the high-precision electric displacement table into the lifting motion in z axis direction;

[0013] The DD motor is arranged on the top of the plurality of inclined sliding tables and is used to drive the optical fiber coupling mechanism to rotate.

[0014] The optical fiber coupling mechanism is arranged on the top of the DD motor and is used to realize the coupling operation of the optical fiber.

[0015] In a preferred embodiment of the utility model, the upper computer is used to send the motion control signal through the fast and advanced coupling algorithm; the upper computer is electrically connected with the optical fiber coupling mechanism, the plurality of high-precision electric displacement tables, the XY-axis linear motor motion platform and the DD motor through the transmission line.

[0016] In a preferred embodiment of the utility model, the XY-axis linear motor motion platform comprises a first upper plate, a middle plate and a first lower plate which are sequentially arranged at the bottom of the first upper plate, a plurality of first cross roller guides, a mover, a stator and a first grating ruler assembly which are arranged between the first upper plate and the middle plate and between the middle plate and the first lower plate, and the top of the first upper plate is fixed with the bottom of the triangular adapter plate.

[0017] In a preferred embodiment of the utility model, the high-precision electric displacement table comprises a second lower plate which is fixed on the top of the triangular adapter plate, a second upper plate which is arranged on the top of the second lower plate, and a motor, a transmission mechanism and a second grating ruler assembly which are arranged between the second upper plate and the second lower plate.

[0018] In a preferred embodiment of the utility model, the inclined sliding table comprises an inclined lower plate which is fixed on the top of the second upper plate, a third upper plate which is arranged on the top of the inclined lower plate, and a plurality of second cross roller guides which are arranged between the inclined lower plate and the third upper plate.

[0019] In a preferred embodiment of the utility model, the inclined surface of the inclined lower plate is opposite to the side surface of the DD motor, and the third upper plate is arranged on the inclined surface of the inclined lower plate.

[0020] In a preferred embodiment of the utility model, a plurality of spherical bearings are fixed on one side of the third upper plate, and one side of the spherical bearings is fixed with the bottom of the DD motor.

[0021] In a preferred embodiment of the utility model, a rotating shaft is arranged in the middle of the DD motor, and the top of the rotating shaft is fixed with the bottom of the optical fiber coupling mechanism.

[0022] In a preferred embodiment of the utility model, the plurality of high-precision electric displacement tables are uniformly distributed on the top of the triangular adapter plate, and the distribution mode and the number of the plurality of inclined sliding tables are the same as the distribution mode and the number of the plurality of high-precision electric displacement tables.

[0023] The utility model solves the defects in the prior art, and has the following beneficial effects:

[0024] (1) the utility model provides a kind of optical communication six free axes precision adjusting device, after placing and installing optical fiber coupling mechanism to DD motor, the cooperation of XY axis linear motor movement platform, high-precision electric displacement table, inclined contract sliding table and DD motor, XY axis linear motor movement platform can realize the movement of two axes in plane, the horizontal linear motion of high-precision electric displacement table can be converted into vertical lifting motion by inclined contract sliding table, compared with traditional lifting mechanism, load is larger, and operation is more stable, and it is composed of a parallel mechanism by being matched with inclined contract sliding table, and the adjustment action of α / β / γ three directions can be realized by the independent movement or joint movement of each displacement table, and complex multi-axis movement track can be executed, so that six free axes in space can be simultaneously high-precision adjusted, greater adjustment precision and adjustment space can be realized under compact space, and the overall structure is small, and it occupies small space. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model is further described below in connection with the drawings and examples;

[0026] Fig. 1 It is the perspective view of preferred embodiment of the utility model;

[0027] Fig. 2 It is the front view structure diagram of preferred embodiment of the utility model;

[0028] Fig. 3 It is the top view structure diagram of preferred embodiment of the utility model;

[0029] In the drawing: 1, XY axis linear motor movement platform;11, first upper plate;2, triangular adapter plate;3, high-precision electric displacement table;31, second upper plate;4, inclined contract sliding table;41, third upper plate;5, spherical bearing;6, DD motor;61, rotating shaft;7, optical fiber coupling mechanism. DETAILED DESCRIPTION

[0030] The utility model is further described in detail in connection with the drawings and examples, these drawings are all simplified schematic diagram, just with schematic way to show the basic structure of the utility model, so it just shows the structure related to the utility model.

[0031] As Figs. 1-3As shown, a kind of optical communication six-axis precision adjusting device, comprising: XY axis linear motor motion platform 1, triangular adapter plate 2, several high-precision electric displacement tables 3, several inclined contract sliding tables 4, DD motor 6, optical fiber coupling mechanism 7;XY axis linear motor motion platform 1 is used to realize the linear motion in X and Y axis direction;Triangular adapter plate 2 is arranged on the top of XY axis linear motor motion platform 1, for supporting the fixed effect;Several high-precision electric displacement tables 3 are arranged on the top of triangular adapter plate 2, for separate or joint movement to realize the linear motion in α, β and γ axis direction;Several inclined contract sliding tables 4 are arranged on the top of several high-precision electric displacement tables 3, for converting the linear motion of high-precision electric displacement table 3 into the lifting motion in z axis direction;DD motor 6 is arranged on the top of several inclined contract sliding tables 4, for driving optical fiber coupling mechanism 7 to realize rotation;Optical fiber coupling mechanism 7 is installed on the top of DD motor 6, for realizing the coupling operation of optical fiber.

[0032] It should be noted that several high-precision electric displacement tables 3 are evenly distributed on the top of triangular adapter plate 2, and the distribution mode and quantity of several inclined contract sliding tables 4 are the same as those of several high-precision electric displacement tables 3;The number of high-precision electric displacement table 3 and adjacent inclined contract sliding table 4 is preferably three, and the adjacent high-precision electric displacement table 3 and adjacent inclined contract sliding table 4 are preferably 120°;Triangular adapter plate 2 is fixed on XY axis linear motor motion platform 1, three high-precision electric displacement tables 3 are installed on the corresponding position of triangular adapter plate 2 by fixing bolt, inclined contract sliding table 4 is fixed on high-precision electric displacement table 3, DD motor 6 is arranged on the top of three inclined contract sliding tables 4, and optical fiber coupling mechanism 7 is placed and installed on DD motor 6, XY axis linear motor motion platform 1 and high-precision electric displacement table 3 and DD motor 6 are used in combination, have very high adjusting speed, and the one-way positioning accuracy and the repeat positioning accuracy can reach micron level, the horizontal linear motion of high-precision electric displacement table 3 can be converted into vertical lifting motion through inclined contract sliding table 4, compared with traditional lifting mechanism, the load is larger, and the operation is more stable, three high-precision electric displacement tables 3 are installed with an interval of 120°, and form a parallel mechanism in combination with inclined contract sliding table 4, and the adjusting action in α / β / γ three directions can be realized by separate movement or joint movement of each displacement table, complex multi-axis motion track can be executed, so that six-axis high-precision adjustment can be carried out simultaneously, larger adjusting precision and adjusting space can be realized in compact space, the overall structure is small, and the occupied space is small.

[0033] In some embodiments, further comprising: a host computer for issuing motion control signals by fast advanced coupling algorithm;The host computer is electrically connected with optical fiber coupling mechanism 7, several high-precision electric displacement tables 3, XY axis linear motor motion platform 1 and DD motor 6 through transmission line respectively.

[0034] It should be noted that the host computer sends signals to make the XY linear motor motion platform 1, the high-precision electric displacement table 3 and the DD motor 6 move through the fast advanced coupling algorithm, so as to ensure that the position of the optical fiber can be adjusted to achieve the best coupling posture with the opposite optical fiber.

[0035] In some embodiments, the XY linear motor motion platform 1 comprises a first upper plate 11, a middle plate and a first lower plate installed in sequence at the bottom of the first upper plate 11, and a plurality of first cross roller guides, a mover, a stator and a first grating ruler assembly installed between the first upper plate 11 and the middle plate, between the middle plate and the first lower plate; the top of the first upper plate 11 is fixed with the bottom of the triangular adapter plate 2.

[0036] It should be noted that the first grating ruler assembly is used for detecting linear displacement, and the specific structure is known to those skilled in the art, which will not be described in detail here; the first lower plate is installed and fixed in the use position, and the stator generates a rotating magnetic field through the mover and the stator installed between the first upper plate 11 and the middle plate and between the middle plate and the first lower plate, and the mover moves back and forth, which can drive the middle plate and the first lower plate respectively, and move in the X-axis and Y-axis directions relative to the first upper plate 11, and through the cooperation of the first grating ruler assembly, the linear displacement data is detected by using the optical principle of grating measurement, so that the movement in the X-axis and Y-axis directions can be visualized, and the movement precision is improved.

[0037] In some embodiments, the high-precision electric displacement table 3 comprises a second lower plate fixed on the top of the triangular adapter plate 2, a second upper plate 31 arranged on the top of the second lower plate, and a motor, a transmission mechanism and a second grating ruler assembly installed between the second upper plate 31 and the second lower plate.

[0038] It should be noted that the transmission mechanism is a mechanical mechanism for converting the rotary motion of the motor into linear motion of the second upper plate 31, such as a lead screw, and the second grating ruler assembly is used for detecting linear displacement, and the specific structures of the transmission mechanism and the second grating ruler assembly are known to those skilled in the art, which will not be described in detail here; the motor is started, the rotary motion of the motor is converted into linear motion through the transmission mechanism, which can drive the second upper plate 31 to move synchronously, and through the cooperation of the second grating ruler assembly, the linear displacement data is detected by using the optical principle of grating measurement, and the multi-axis movement effect can be achieved through the cooperation with the XY linear motor motion platform 1.

[0039] In some embodiments, the inclined contract sliding table 4 comprises an inclined contract lower plate fixed on the top of the second upper plate 31, a third upper plate 41 arranged on the top of the inclined contract lower plate, and a plurality of second cross roller guides installed between the inclined contract lower plate and the third upper plate 41.

[0040] It should be noted that the inclined surface of the inclined lower plate is opposite to the side of the DD motor 6, and the third upper plate 41 is arranged on the inclined surface of the inclined lower plate; when the second upper plate 31 moves linearly, the inclined lower plate can be driven to move synchronously, and since the third upper plate 41 is arranged on the inclined surface of the inclined lower plate, when the inclined lower plate moves, the third upper plate 41 can be driven to slide up and down along the inclined surface through cooperation of the third upper plate 41 and the second cross roller guide, thereby driving the DD motor 6 to convert the linear motion of the plane into the lifting motion in the vertical direction, so as to drive the optical fiber coupling mechanism 7 to realize the lifting in the Z-axis direction.

[0041] In some embodiments, one side of each of the third upper plates 41 is fixed with a plurality of spherical bearings 5, one side of each of the spherical bearings 5 is fixed with the bottom of the DD motor 6; the number of the spherical bearings 5 is preferably three, and the included angle between adjacent spherical bearings 5 is preferably 120°; three spherical bearings 5 are adopted to support the DD motor 6 at intervals of 120°, so as to make full use of the space, ensure the stability of the structure, and have a high spatial freedom.

[0042] In some embodiments, the middle part of the DD motor 6 is provided with a rotating shaft 61, and the top of the rotating shaft 61 is fixed with the bottom of the optical fiber coupling mechanism 7; through the arrangement of the rotating shaft 61, the optical fiber coupling mechanism 7 can be driven to rotate, so as to realize the adjustment of the coupling position.

[0043] When the utility model is used, the optical fiber coupling mechanism 7 is locked on the rotating shaft 61 of the DD motor 6, the external visual positioning system automatically identifies the position of the optical fiber, and uploads to the upper computer; the upper computer sends signals to make the XY-axis linear motor motion platform 1, the high-precision electric displacement table 3 and the DD motor 6 move through the fast and advanced coupling algorithm, so as to adjust the position of the optical fiber to reach the best coupling posture with the opposite optical fiber, carry out the coupling operation, the overall structure design can simultaneously carry out high-precision adjustment to six free axes in space, can realize larger adjustment precision and adjustment space under the compact space, the overall structure is small, and occupies small space.

[0044] According to the ideal embodiments of the utility model, the above-mentioned description is obvious to those skilled in the art, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above-mentioned description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0045] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A six-axis precision adjustment device for optical communication, characterized in that, Include: XY axis linear motor motion platform (1), triangular adapter plate (2), several high-precision electric displacement tables (3), several inclined sliding tables (4), DD motor (6), optical fiber coupling mechanism (7); The XY axis linear motor motion platform (1) is used to realize linear motion in X and Y axis directions; The triangular adapter plate (2) is arranged on the top of the XY axis linear motor motion platform (1), and is used to support and fix; Several high-precision electric displacement tables (3) are arranged on the top of the triangular adapter plate (2), and are used to realize linear motion in alpha, beta and gamma axis directions alone or jointly; Several inclined sliding tables (4) are arranged on the top of the several high-precision electric displacement tables (3), and are used to convert the linear motion of the high-precision electric displacement tables (3) into lifting motion in the z axis direction; The DD motor (6) is arranged on the top of the several inclined sliding tables (4), and is used to drive the optical fiber coupling mechanism (7) to realize rotation; The optical fiber coupling mechanism (7) is mounted on the top of the DD motor (6), and is used to realize coupling of optical fibers. 2.The optical communication six-degrees-of-freedom precision adjustment device of claim 1, wherein: Also include: A host computer for issuing motion control signals through a fast advanced coupling algorithm; the host computer is electrically connected with the optical fiber coupling mechanism (7), the several high-precision electric displacement tables (3), the XY axis linear motor motion platform (1) and the DD motor (6) through transmission lines. 3.The optical communication six-axis precision adjustment device of claim 1, wherein: The XY axis linear motor motion platform (1) comprises a first upper plate (11), a middle plate and a first lower plate which are sequentially mounted on the bottom of the first upper plate (11), and a plurality of first cross roller guides, a mover, a stator and a first grating ruler assembly which are mounted between the first upper plate (11) and the middle plate and between the middle plate and the first lower plate; the top of the first upper plate (11) is fixed with the bottom of the triangular adapter plate (2).

4. The optical communication six-degrees-of-freedom precision adjustment device of claim 1, wherein: The high-precision electric displacement table (3) comprises a second lower plate fixed on the top of the triangular adapter plate (2), a second upper plate (31) arranged on the top of the second lower plate, and a motor, a transmission mechanism and a second grating ruler assembly mounted between the second upper plate (31) and the second lower plate.

5. The optical communication six-degrees-of-freedom precision adjustment device according to claim 4, characterized in that: The inclined sliding table (4) comprises an inclined lower plate fixed on the top of the second upper plate (31), a third upper plate (41) arranged on the top of the inclined lower plate, and a plurality of second cross roller guides mounted between the inclined lower plate and the third upper plate (41).

6. The optical communication six-degrees-of-freedom precision adjustment device according to claim 5, wherein: The inclined surface of the inclined lower plate faces the side surface of the DD motor (6), and the third upper plate (41) is arranged on the inclined surface of the inclined lower plate.

7. The optical communication six-degrees-of-freedom precision adjustment device of claim 5, wherein: One side of the third upper plate (41) is fixed with a plurality of spherical bearings (5), and one side of the spherical bearing (5) is fixed with the bottom of the DD motor (6). 8.The optical communication six-axis precision adjustment device of claim 1, wherein: The middle part of the DD motor (6) is provided with a rotating shaft (61), and the top of the rotating shaft (61) is fixed with the bottom of the optical fiber coupling mechanism (7).

9. The optical communication six-degrees-of-freedom precision adjustment device of claim 1, wherein: A plurality of high-precision electric displacement tables (3) are evenly distributed in the circumferential direction on the top of the triangular adapter plate (2), and the distribution mode and number of a plurality of inclined contract slide tables (4) are the same as those of a plurality of high-precision electric displacement tables (3).

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