Multi-degree-of-freedom micro-adjustment mechanism

Abstract

The utility model discloses a multi-degree-of-freedom micro-adjustment mechanism, which belongs to the technical field of optical experimental equipment and comprises a bottom plate, the transverse adjusting mechanism is connected with the top end face of the bottom plate through a fastener; the longitudinal adjusting mechanism is connected with the top end face of the transverse adjusting mechanism through a fastener; the rotary adjusting plate is connected with the top of the longitudinal adjusting mechanism through a fastener, and the rotary adjusting plate can rotate on the longitudinal adjusting mechanism when the fastener is in a free state; a to-be-adjusted object can be driven to move in the horizontal direction through the arranged transverse adjusting mechanism, the to-be-adjusted object can be driven to move in the longitudinal direction through the arranged longitudinal adjusting mechanism, and when the fastener is in a free state, the rotary adjusting plate can rotate in the longitudinal adjusting mechanism; the to-be-adjusted object can be adjusted at multiple angles through cooperation of all the mechanisms and the fasteners.

Description

Technical Field

[0001] The utility model relates to the technical field of optical experimental equipment, in particular to a multi-degree-of-freedom fine-adjustment mechanism. Background Art

[0002] With the rapid development of science and technology, it is often necessary to achieve multi-degree-of-freedom adjustment of various instruments and equipment or optical lens accessories in laboratories. Various screw guides and gear mechanisms are often used to adjust the position of platform loads. Such adjustment mechanisms are often large and expensive. Laboratories and optical lens accessories sometimes require smaller adjustments. Therefore, existing adjustment mechanisms are not suitable for relatively small-sized multi-degree-of-freedom adjustments. Utility Model Content

[0003] In order to solve the problems of the prior art, the utility model provides a multi-degree-of-freedom fine-adjustment mechanism, comprising: a base plate;

[0004] A transverse adjustment mechanism, wherein the transverse adjustment mechanism is connected to the top end surface of the bottom plate by a fastener, and when the fastener is free, the transverse adjustment mechanism can move in a first direction and a second direction on the top end surface of the bottom plate, wherein the first direction is perpendicular to the second direction and both are parallel to the horizontal plane;

[0005] A longitudinal adjustment mechanism, wherein the longitudinal adjustment mechanism is connected to the top end surface of the transverse adjustment mechanism by a fastener, and the longitudinal adjustment mechanism can move in the longitudinal direction when the fastener is free;

[0006] A rotating adjustment plate is connected to the top of the longitudinal adjustment mechanism via a fastener. When the fastener is free, the rotating adjustment plate can perform a rotating motion on the longitudinal adjustment mechanism.

[0007] Further, the lateral adjustment mechanism comprises: a first adjustment plate and a second adjustment plate;

[0008] The first adjustment plate is connected to the top end surface of the bottom plate by a fastener, and when the fastener is free, the first adjustment plate can move along a first direction on the top end surface of the bottom plate;

[0009] A second adjustment plate, wherein the second adjustment plate is connected to the top end surface of the first movable plate by a fastener, and when the fastener is free, the second adjustment plate can move along a second direction on the top end surface of the first adjustment plate;

[0010] The longitudinal adjustment mechanism is connected to the top end surface of the second adjustment plate via a fastener.

[0011] Furthermore, two first protrusions are symmetrically arranged on the top end surface of the bottom plate, and the first protrusions are respectively located on opposite sides of the first adjustment plate and respectively contact with opposite sides of the first adjustment plate.

[0012] Further, two second protrusions are symmetrically arranged on the top end surface of the first adjustment plate, and the second protrusions are respectively located on opposite sides of the second adjustment plate and respectively contact with opposite sides of the second adjustment plate;

[0013] The other two sides of the first adjustment plate are provided with flanges, and the flanges extend upward.

[0014] Furthermore, the longitudinal adjustment mechanism comprises: a slide rail and a support frame;

[0015] The bottom end surface of the slide rail is connected to the top of the second adjustment plate;

[0016] The support frame is connected to the groove bottom of the slide rail via a fastener;

[0017] The rotation adjustment plate is connected to the top of the support frame via a fastener.

[0018] Furthermore, the first adjustment plate, the second adjustment plate and the support frame are all provided with penetrating waist holes. When connecting the first adjustment plate, the second adjustment plate and the support frame, fasteners are connected through the waist holes on the first adjustment plate, the second adjustment plate and the support frame.

[0019] Beneficial effects of the utility model:

[0020] The lateral adjustment mechanism can be used to drive the object to be adjusted to move in the horizontal direction, and the longitudinal adjustment mechanism can be used to drive the object to be adjusted to move in the longitudinal direction. When the fastener is in a free state, the rotating adjustment plate can be rotated in the longitudinal adjustment mechanism. Through the cooperation of various mechanisms and fasteners, the object to be adjusted can be adjusted at multiple angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the freedom degree adjustment mechanism provided by the utility model;

[0023] Figure 2It is a schematic diagram of the bottom plate structure provided by the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the first adjustment plate provided by the utility model;

[0025] Figure 4 It is a schematic diagram of the connection structure between the second adjustment plate and the slide rail provided by the utility model;

[0026] Figure 5 It is a schematic diagram of the support frame structure provided by the utility model;

[0027] Figure 6 It is a structural schematic diagram of a rotary adjustment plate provided by the utility model.

[0028] Figure numerals: 1 is a base plate, 2 is a rotating adjustment plate, 3 is a first adjustment plate, 4 is a second adjustment plate, 5 is a first protrusion, 6 is a second protrusion, 7 is a slide rail, 8 is a support frame, 9 is a waist hole, and 10 is a fastener. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] See also Figures 1 to 6 , a multi-degree-of-freedom fine-adjustment mechanism, comprising: a base plate 1;

[0031] A transverse adjustment mechanism, wherein the transverse adjustment mechanism is connected to the top end surface of the bottom plate 1 via a fastener 10, and when the fastener 10 is free, the transverse adjustment mechanism can move in a first direction and a second direction on the top end surface of the bottom plate 1, wherein the first direction is perpendicular to the second direction and both are parallel to the horizontal plane;

[0032] A longitudinal adjustment mechanism, wherein the longitudinal adjustment mechanism is connected to the top end surface of the transverse adjustment mechanism via a fastener 10, and when the fastener 10 is free, the longitudinal adjustment mechanism can move in the longitudinal direction;

[0033] The rotating adjustment plate 2 is connected to the top of the longitudinal adjustment mechanism via a fastener 10. When the fastener 10 is in a free state, the rotating adjustment plate 2 can perform a rotating motion on the longitudinal adjustment mechanism.

[0034] Among them, the main invention point of the present application is that, by cooperating with the transverse adjustment mechanism and the longitudinal adjustment mechanism, the angle adjustment of the object to be adjusted in the transverse and longitudinal directions can be achieved. At the same time, the rotating adjustment plate is connected to the longitudinal adjustment mechanism through a fastener. When the fastener is in a free state, the rotating adjustment plate can be rotated, thereby driving the object to be adjusted to rotate. Overall, the degree of freedom fine-tuning mechanism designed in the present application can achieve adjustment of multiple degrees of freedom.

[0035] The fastener may be a component such as a screw or a bolt that can be locked by rotation.

[0036] In some embodiments, the lateral adjustment mechanism includes: a first adjustment plate 3 and a second adjustment plate 4;

[0037] The first adjustment plate 3 is connected to the top end surface of the bottom plate 1 via a fastener 10. When the fastener 10 is free, the first adjustment plate 3 can move along a first direction on the top end surface of the bottom plate 1.

[0038] A second adjustment plate 4, wherein the second adjustment plate 4 is connected to the top end surface of the first movable plate via a fastener 10, and when the fastener 10 is in a free state, the second adjustment plate 4 can move along a second direction on the top end surface of the first adjustment plate 3;

[0039] The longitudinal adjustment mechanism is connected to the top end surface of the second adjustment plate 4 via a fastener 10 .

[0040] The first adjustment plate 3 and the second adjustment plate 4 are both provided with a through hole 9 , and when the first adjustment plate 3 and the second adjustment plate 8 are connected, the fastener 10 passes through the through holes 9 of the first adjustment plate 3 and the second adjustment plate 4 for connection.

[0041] The function of the waist hole is to provide a moving space for the horizontal movement of the first adjustment plate and the second adjustment plate when the fastener is in a free state, and to play a guiding role at the same time.

[0042] In some embodiments, two first protrusions 5 are symmetrically arranged on the top end surface of the bottom plate 1 , and the first protrusions 5 are respectively located on opposite sides of the first adjustment plate 3 and respectively contact with opposite sides of the first adjustment plate 3 .

[0043] The first protrusion has the function of assisting the first adjustment plate to move in the first direction, while ensuring that there is no deviation in direction during movement.

[0044] In some embodiments, two second protrusions 6 are symmetrically arranged on the top end surface of the first adjustment plate 3, and the second protrusions 6 are respectively located on opposite sides of the second adjustment plate 4 and respectively contact with opposite sides of the second adjustment plate 4;

[0045] The other two sides of the first adjustment plate are provided with flanges, and the flanges extend upward.

[0046] The second protrusion has the function of assisting the second adjustment plate to move in the first direction while ensuring that the direction does not deviate during the movement.

[0047] In some embodiments, the longitudinal adjustment mechanism includes: a slide rail 7 and a support frame 8;

[0048] The bottom end surface of the slide rail 7 is connected to the top of the second adjustment plate 4;

[0049] The support frame 8 is connected to the groove bottom of the slide rail 7 via a fastener 10;

[0050] The rotating adjustment plate 2 is connected to the top of the support frame 8 via a fastener 10 .

[0051] The support frame 8 is provided with a through waist hole 9. When the support frame 8 is connected, the fasteners 10 are all passed through the waist hole 9 on the support frame 8 for connection.

[0052] The function of the waist hole on the support frame is that when the fastener is free, a force can be applied to the support frame to make it move in the longitudinal direction. At this time, the waist hole can limit the moving distance of the support frame and guide the support frame.

[0053] The top of the support frame is provided with multiple groups of mounting holes and waist holes distributed in three points, and the waist holes and mounting holes are staggered. When connecting the rotating adjustment plate, the rotating adjustment plate can be connected to the mounting holes and waist holes on the support frame through fasteners according to the actual required angle.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-degree-of-freedom fine-adjustment mechanism, characterized in that: include: Base plate; A transverse adjustment mechanism, wherein the transverse adjustment mechanism is connected to the top end surface of the bottom plate by a fastener, and when the fastener is free, the transverse adjustment mechanism can move in a first direction and a second direction on the top end surface of the bottom plate, wherein the first direction is perpendicular to the second direction and both are parallel to the horizontal plane; A longitudinal adjustment mechanism, wherein the longitudinal adjustment mechanism is connected to the top end surface of the transverse adjustment mechanism by a fastener, and the longitudinal adjustment mechanism can move in the longitudinal direction when the fastener is free; A rotating adjustment plate is connected to the top of the longitudinal adjustment mechanism via a fastener. When the fastener is free, the rotating adjustment plate can perform a rotating motion on the longitudinal adjustment mechanism.

2. The multi-degree-of-freedom fine adjustment mechanism according to claim 1, characterized in that: The lateral adjustment mechanism comprises: a first adjustment plate and a second adjustment plate; The first adjustment plate is connected to the top end surface of the bottom plate by a fastener, and when the fastener is free, the first adjustment plate can move along a first direction on the top end surface of the bottom plate; a second adjustment plate, the second adjustment plate being connected to the top end surface of the first adjustment plate by a fastener, and the second adjustment plate being movable along a second direction on the top end surface of the first adjustment plate when the fastener is free; The longitudinal adjustment mechanism is connected to the top end surface of the second adjustment plate via a fastener.

3. The multi-degree-of-freedom fine-adjustment mechanism according to claim 2, characterized in that: Two first protrusions are symmetrically arranged on the top end surface of the bottom plate, and the first protrusions are respectively located on opposite sides of the first adjustment plate and respectively contact with opposite sides of the first adjustment plate.

4. The multi-degree-of-freedom fine adjustment mechanism according to claim 2, characterized in that: Two second protrusions are symmetrically arranged on the top end surface of the first adjustment plate, and the second protrusions are respectively located on opposite sides of the second adjustment plate and are respectively in contact with opposite sides of the second adjustment plate; The other two sides of the first adjustment plate are provided with flanges, and the flanges extend upward.

5. The multi-degree-of-freedom fine adjustment mechanism according to claim 2, characterized in that: The longitudinal adjustment mechanism comprises: a slide rail and a support frame; The bottom end surface of the slide rail is connected to the top of the second adjustment plate; The support frame is connected to the groove bottom of the slide rail via a fastener; The rotation adjustment plate is connected to the top of the support frame via a fastener.

6. The multi-degree-of-freedom fine adjustment mechanism according to claim 5, characterized in that: The first adjustment plate, the second adjustment plate and the support frame are all provided with through holes. When the first adjustment plate, the second adjustment plate and the support frame are connected, fasteners are connected through the through holes on the first adjustment plate, the second adjustment plate and the support frame.

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