Multi-degree-of-freedom adjusting device
By designing a multi-degree of freedom adjustment device containing multiple adjustment components, the problem of difficulty in taking into account both the integration compatibility and adjustment accuracy in the prior art is solved, and the miniaturized and high-precision multi-degree of freedom adjustment effect is achieved.
Patent Information
- Application Number
- CN202421473052.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing multi-degree-of-freedom adjustment devices are difficult to take into account between integrated compatibility and adjustment accuracy. The overall size is large and the locking method has poor shock resistance, which affects the adjustment accuracy.
A multi-degree of freedom adjustment device is designed, including a base, a first adjustment assembly, a second adjustment assembly, a third adjustment assembly and a fourth adjustment assembly. Through the structures such as pin shaft, precision screw, sliding connection and oblique wedge slider, precision adjustment of the device to be adjusted in multiple directions of freedom.
It realizes precision control of multi-degree-of-freedom adjustment, the overall size is small, easy to integrate, the locking process is stable, and does not affect the attitude of the device to be adjusted, improving adjustment accuracy and shock resistance.
Smart Images
Figure CN222650960U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical adjustment devices, in particular to a multi-degree-of-freedom adjustment device. Background Art
[0002] At present, most optical components such as lenses and optical machines need to be adjusted in angle and position when used. Existing multi-degree-of-freedom adjustment devices are mostly composed of multiple slides. The overall size of such multi-degree-of-freedom adjustment devices is large, which is not conducive to integration in equipment. Moreover, after the adjustment is completed, the existing multi-degree-of-freedom adjustment devices mostly use lateral screws to lock by friction. During the locking process, the posture of the adjusted optical components will change slightly, and this locking method has poor shock resistance, which affects the adjustment accuracy of the multi-degree-of-freedom adjustment device.
[0003] That is to say, the multi-degree-of-freedom adjustment device in the prior art has the problem that it is difficult to take both integration compatibility and adjustment accuracy into consideration at the same time. Utility Model Content
[0004] The main purpose of the utility model is to provide a multi-degree-of-freedom adjustment device to solve the problem in the prior art that it is difficult to take both integrated compatibility and adjustment accuracy into consideration at the same time.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a multi-degree-of-freedom adjustment device, including: a base; a first adjustment component, the first adjustment component is rotatably connected to the base around the Z axis through a pin shaft; a second adjustment component, the second adjustment component is located on a side of the first adjustment component away from the base and is connected to the first adjustment component, and at least a part of the second adjustment component is rotatably arranged around the Y axis; a third adjustment component, the third adjustment component is located on a side of the second adjustment component away from the base, and the third adjustment component is slidably connected to the second adjustment component along the Y axis direction; a fourth adjustment component, the fourth adjustment component is located on a side of the third adjustment component away from the base, at least a part of the fourth adjustment component is movably arranged along the Z axis direction, and a fixing frame is provided on the side of the fourth adjustment component away from the base, and the fixing frame has a station for installing a device to be adjusted.
[0006] Furthermore, the first adjustment component includes a first adjustment seat, and the first adjustment seat and the base both have a central through hole, and two ends of the pin shaft are respectively inserted into the central through hole of the first adjustment seat and the central through hole of the base.
[0007] Furthermore, the base has two protrusions extending toward the first adjustment seat, and the two protrusions are arranged at intervals on the outer peripheral side of the first adjustment seat. The two protrusions have threaded holes, and the first adjustment component also includes a first precision screw and a second precision screw that cooperate with the two threaded holes. The first precision screw and the second precision screw extend to the first adjustment seat through the two threaded holes respectively, and the rotation angle of the first adjustment seat around the Z axis is adjusted by the first precision screw and the second precision screw.
[0008] Furthermore, the first adjustment assembly also includes a plurality of detachable fixing screws, and the first adjustment seat and the base are fixedly connected by the plurality of fixing screws.
[0009] Furthermore, the base also has circumferential through holes spaced apart from the central through hole, the first adjustment seat has a hollow cylindrical structure matching the circumferential through holes, and the second adjustment component includes a hand-tightened precision screw, which is connected to the hollow cylindrical structure through a first nut.
[0010] Furthermore, the second adjustment component includes a second adjustment seat and a rotating shaft, the second adjustment seat has a long hole extending along the Y-axis direction, the four corners of the first adjustment seat all have a protruding structure, the part of the second adjustment seat with the long hole is arranged between a group of protruding structures located in the Y-axis direction, and the rotating shaft passes through the protruding structure and the long hole to realize the connection between the second adjustment seat and the first adjustment seat.
[0011] Furthermore, the second adjustment assembly also includes a spring assembly, a left fixing screw and a right fixing screw, and the first adjustment seat and the second adjustment seat are connected through the spring assembly, the left fixing screw and the right fixing screw.
[0012] Furthermore, the third adjustment assembly includes a third adjustment seat and a stopper. The third adjustment seat is slidably connected to the second adjustment assembly along the Y-axis direction, and the stopper is arranged in the movement direction of the third adjustment seat.
[0013] Furthermore, the fourth adjusting component includes a first oblique wedge slider, a second oblique wedge slider, a guide block and a rotating wheel. The first oblique wedge slider is connected to the third adjusting component. The guide block is erected on the third adjusting component and is located on one side of the first oblique wedge slider. The rotating wheel extends toward the direction of the third adjusting component through the guide block through the shaft structure and is connected to the first oblique wedge slider. The second oblique wedge slider is located between the first oblique wedge slider and the guide block, and the second oblique wedge slider is connected to the third adjusting component through a spring member.
[0014] Furthermore, the length A of the multi-degree-of-freedom adjustment device is less than or equal to 77 mm, the width B is less than or equal to 76 mm, and the height C is less than or equal to 77 mm.
[0015] Applying the technical solution of the utility model, a multi-degree-of-freedom adjustment device includes a base, a first adjustment component, a second adjustment component, a third adjustment component and a fourth adjustment component, the first adjustment component is rotatably connected to the base around the Z axis through a pin; the second adjustment component is located on a side of the first adjustment component away from the base and is connected to the first adjustment component, and at least a portion of the second adjustment component is rotatably arranged around the Y axis; the third adjustment component is located on a side of the second adjustment component away from the base, and the third adjustment component is slidably connected to the second adjustment component along the Y axis direction; the fourth adjustment component is located on a side of the third adjustment component away from the base, and at least a portion of the fourth adjustment component is movably arranged along the Z axis direction, and a fixing frame is provided on a side of the fourth adjustment component away from the base, and the fixing frame has a station for installing the device to be adjusted.
[0016] By setting a base, the base provides an installation position for each adjustment component, which is conducive to ensuring the reliability of each adjustment component. The first adjustment component can adjust the rotation angle θz of the device to be adjusted around the Z axis, the second adjustment component can adjust the rotation angle θy of the device to be adjusted around the Y axis, the third adjustment component can adjust the position of the device to be adjusted in the Y axis direction, and the fourth adjustment component can adjust the position of the device to be adjusted in the Z axis direction. Through the above components, the device to be adjusted can be adjusted in multiple degrees of freedom of θz, θy, Y axis, and Z axis, which is conducive to ensuring the diversity of adjustment directions. In addition, by setting a fixed frame, the fixed frame provides an installation position for the device to be adjusted, which is conducive to ensuring the stability of the adjustment device during adjustment and the adjustment accuracy. In addition, the multi-degree-of-freedom adjustment device of the present application integrates multiple adjustment components together to achieve multi-degree-of-freedom adjustment, which is conducive to integration in other devices for use, while ensuring high adjustment accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0018] Figure 1 A schematic structural diagram showing an angle of a multi-degree-of-freedom adjustment device of an optional embodiment of the utility model;
[0019] Figure 2 Shows Figure 1 A schematic structural diagram of the multi-degree-of-freedom adjustment device from another angle;
[0020] Figure 3 Shows Figure 1 An exploded diagram of a first adjustment component and a second adjustment component of a multi-degree-of-freedom adjustment device;
[0021] Figure 4 Shows Figure 1 A schematic diagram of the assembly of the third adjustment component of the multi-degree-of-freedom adjustment device;
[0022] Figure 5 Shows Figure 1 An exploded view of a fourth adjustment component of the multi-degree-of-freedom adjustment device;
[0023] Figure 6 Shows Figure 5 Schematic diagram of the structure of the reinforcement screws.
[0024] The above drawings include the following reference numerals:
[0025] 1. Base; 11. Side through hole; 12. Bump; 2. First adjustment component; 20. First adjustment seat; 21. First spring component; 22. Second spring component; 23. Hollow cylindrical structure; 24. Protrusion structure; 110. Pin; 100. First precision screw; 101. Second precision screw; 230. First fixing screw; 231. Second fixing screw; 232. Third fixing screw; 240. Hand-tightening precision screw; 241. First nut; 3. Second adjustment component; 271. Left fixing screw; 270. Right fixing screw; 30. Second adjustment seat; 260. Rotating shaft; 4. Third adjustment component; 40. Third adjustment seat; 301. Y left adjustment screw; 302. Y right adjustment screw; 303. Stopper; 5. Fourth adjustment component; 57. First oblique wedge slider; 54. Second oblique wedge slider; 50. Guide block; 53. Rotating wheel; 6. Device to be adjusted; 7. Fixed frame. DETAILED DESCRIPTION
[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0028] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.
[0029] In order to solve the problem in the prior art that it is difficult to take both integrated compatibility and adjustment accuracy into consideration in a multi-degree-of-freedom adjustment device, the utility model provides a multi-degree-of-freedom adjustment device.
[0030] like Figures 1 to 6 As shown, the multi-degree-of-freedom adjustment device includes a base 1, a first adjustment component 2, a second adjustment component 3, a third adjustment component 4 and a fourth adjustment component 5, the first adjustment component 2 is rotatably connected to the base 1 around the Z axis through a pin 110; the second adjustment component 3 is located on a side of the first adjustment component 2 away from the base 1 and is connected to the first adjustment component 2, and at least a portion of the second adjustment component 3 is rotatably arranged around the Y axis; the third adjustment component 4 is located on a side of the second adjustment component 3 away from the base 1, and the third adjustment component 4 is slidably connected to the second adjustment component 3 along the Y axis direction; the fourth adjustment component 5 is located on a side of the third adjustment component 4 away from the base 1, and at least a portion of the fourth adjustment component 5 is movably arranged along the Z axis direction, and a fixing frame 7 is provided on a side of the fourth adjustment component 5 away from the base 1, and the fixing frame 7 has a station for installing a device 6 to be adjusted.
[0031] By setting the base 1, the base 1 provides an installation position for each adjustment component, which is conducive to ensuring the reliability of each adjustment component. The first adjustment component 2 can adjust the rotation angle θz of the device to be adjusted 6 around the Z axis, the second adjustment component 3 can adjust the rotation angle θy of the device to be adjusted 6 around the Y axis, the third adjustment component 4 can adjust the position of the device to be adjusted 6 in the Y axis direction, and the fourth adjustment component 5 can adjust the position of the device to be adjusted 6 in the Z axis direction. Through the above components, the device to be adjusted 6 can be adjusted in multiple degrees of freedom of θz, θy, Y axis, and Z axis, which is conducive to ensuring the diversity of adjustment directions. In addition, by setting the fixing frame 7, the fixing frame 7 provides an installation position for the device to be adjusted 6, which is conducive to ensuring the stability of the adjustment device during adjustment and the adjustment accuracy. In addition, the multi-degree-of-freedom adjustment device of the present application integrates multiple adjustment components together to achieve multi-degree-of-freedom adjustment, which is conducive to integration in other devices for use, while ensuring a high adjustment accuracy.
[0032] Specifically, the length A of the multi-degree-of-freedom adjusting device is less than or equal to 77 mm, the width B is less than or equal to 76 mm, and the height C is less than or equal to 77 mm. In a specific embodiment of the present application, the length A of the multi-degree-of-freedom adjusting device is 75 mm, the width B is 74 mm, and the height C is 75 mm. The height D of the multi-degree-of-freedom adjusting device excluding the fixing frame 7 and the device to be adjusted 6 is 50 mm. This arrangement enables the multi-degree-of-freedom adjusting device of the present application to have a smaller overall size while meeting the multi-degree-of-freedom adjustment requirements, realizes miniaturization, and is conducive to integration in the device.
[0033] like Figure 3As shown, the plane where the base 1 is located is the plane formed by the X-axis and the Y-axis, and the first adjustment component 2 includes a first adjustment seat 20, the first adjustment seat 20 and the base 1 both have a central through hole, and the central through hole of the first adjustment seat 20 and the central through hole of the base 1 are arranged correspondingly, and the two ends of the pin shaft 110 are respectively penetrated through the central through hole of the first adjustment seat 20 and the central through hole of the base 1, so that the first adjustment seat 20 can rotate around the Z axis relative to the base 1.
[0034] like Figure 3 As shown, the base 1 has a protrusion 12 extending toward the first adjustment seat 20. There are two protrusions 12. The two protrusions 12 are arranged at intervals on the outer peripheral side of the first adjustment seat 20. Specifically, the two protrusions 12 are arranged at intervals on the edge of the side surface of the base 1 facing the first adjustment seat 20. When the first adjustment seat 20 is arranged on the base 1, the two protrusions 12 are located on the outer peripheral side of the first adjustment seat 20. Both protrusions 12 have threaded holes extending along the X-axis direction. The first adjustment assembly 2 also includes a first precision screw 100 and a second precision screw 101 that cooperate with the two threaded holes. The first precision screw 100 and the second precision screw 101 extend toward the first adjustment seat 20 through the two threaded holes and contact the first adjustment seat 20. The first precision screw 100 and the second precision screw 101 are used to adjust the rotation angle of the first adjustment seat 20 around the Z-axis.
[0035] Specifically, the first adjustment assembly 2 also includes a plurality of detachable fixing screws, and the first adjustment seat 20 and the base 1 are fixedly connected by the plurality of fixing screws. In a specific embodiment of the present application, the plurality of detachable fixing screws include a first fixing screw 230, a second fixing screw 231 and a third fixing screw 232, and the three fixing screws pass through the first adjustment seat 20 and the base 1 along the Z-axis direction to achieve the connection between the two, and the connection line of the first fixing screw 230, the second fixing screw 231 and the third fixing screw 232 can form a triangle, so that the first adjustment seat 20 and the base 1 are fixedly connected by the triangle to ensure the stability of the fixed connection between the two. It should be noted here that when it is necessary to adjust the first adjustment seat 20 to rotate around the Z-axis direction, the first fixing screw 230, the second fixing screw 231 and the third fixing screw 232 need to be removed, and the rotation angle of the first adjustment seat 20 around the Z-axis direction is adjusted by adjusting the screwing in and out of the first precision screw 100 and the second precision screw 101. After the adjustment is completed, the first fixing screw 230, the second fixing screw 231 and the third fixing screw 232 are assembled and locked. The θz adjustment of the first adjustment seat 20 is achieved by driving the first precision screw 100 and the second precision screw 101 , thereby achieving high-precision adjustment of the component to be adjusted 6 around the Z axis.
[0036] like Figure 3As shown, the base 1 also has a peripheral through hole 11 spaced apart from the central through hole. The peripheral through hole 11 is located at the edge of the bottom plate and on the same side as the two protrusions 12. Specifically, the peripheral through hole 11 is located between the two protrusions 12, and the diameter of the peripheral through hole 11 is larger than the diameter of the central through hole. The first adjustment seat 20 has a hollow cylindrical structure 23 that cooperates with the peripheral through hole 11. During assembly, at least a portion of the hollow cylindrical structure 23 is accommodated in the peripheral through hole 11. The second adjustment assembly 3 includes a hand-tightened precision screw 240, which is connected to the hollow cylindrical structure 23 through a first nut 241. Specifically, the first nut 241 is fixed to the hollow position of the hollow cylindrical structure 23 with glue, and the hand-tightened precision screw 240 is screwed into the first nut 241 after the glue is completely dry.
[0037] like Figure 3 As shown, the second adjustment assembly 3 includes a second adjustment seat 30 and a rotating shaft 260, the second adjustment seat 30 has a long hole extending and passing through the Y-axis direction, the four corners of the first adjustment seat 20 have a protruding structure 24, and each protruding structure 24 has a threaded hole extending along the Y-axis direction. The second adjustment seat 30 is arranged on the first adjustment seat 20 and the part of the second adjustment seat 30 with the long hole is arranged between a group of protruding structures 24 located in the Y-axis direction, and the rotating shaft 260 passes through the protruding structure 24 and the long hole to realize the pivot connection between the second adjustment seat 30 and the first adjustment seat 20.
[0038] Specifically, the second adjustment assembly 3 also includes a spring assembly, a left fixing screw 271 and a right fixing screw 270. There are two spring assemblies, namely a first spring assembly 21 and a second spring assembly 22. Each spring assembly is composed of two screws and a spring connecting the two screws. The first adjustment seat 20 and the second adjustment seat 30 are connected through the first spring assembly 21 and the second spring assembly 22. In addition, the left fixing screw 271 and the right fixing screw 270 respectively pass through another group of protruding structures 24 to abut against the second adjustment seat 30, thereby assisting in achieving the connection between the first adjustment seat 20 and the second adjustment seat 30. When θy needs to be adjusted, loosen the left fixing screw 271 and the right fixing screw 270, turn the hand-tightening precision screw 240 to adjust, and after the adjustment, lock the left fixing screw 271 and the right fixing screw 270 at the same time to complete the adjustment of θy.
[0039] like Figure 3 and Figure 4As shown, the second adjustment seat 30 has a dovetail groove extending along the Y axis on one side surface away from the first adjustment seat 20, and the third adjustment assembly 4 includes a third adjustment seat 40 and a stopper 303. The third adjustment seat 40 is slidably connected to the second adjustment assembly 3 along the Y axis, and the stopper 303 is arranged in the movement direction of the third adjustment seat 40. Specifically, the third adjustment seat 40 is connected to the second adjustment seat 30 through the dovetail groove, and the stopper 303 is fixed to the side of the second adjustment seat 30 by two screws 312 and 313. The third adjustment assembly 4 also includes a Y-direction left adjustment screw 301, a Y-direction right adjustment screw 302 and three screws 250, 251, 252. The Y-direction right adjustment screw 302 extends toward the direction of the third adjustment seat 40 through the stopper 303. The Y-direction left adjustment screw 301 is arranged opposite to the Y-direction adjustment screw and is arranged in the threaded hole of the third adjustment seat 40. Then, the three screws 250, 251, 252 are screwed into the corresponding screw holes on the side of the second adjustment seat 30. The three screws 250, 251, 252 are adjusted by tightening them a small amount several times, so as to adjust the dovetail groove matching part of the third adjustment seat 40 and the second adjustment seat 30. After the adjustment is completed, the three screws 250, 251, 252 are fixed by glue. When it is necessary to adjust the displacement of the device 6 to be adjusted in the Y-axis direction, tighten the Y-direction left adjustment screw 301 and loosen the Y-direction right adjustment screw 302 at the same time, so as to adjust the positive direction of the Y-axis. Loosen the Y left adjustment screw 301 and tighten the Y right adjustment screw 302 to adjust the Y axis in the negative direction.
[0040] like Figure 5As shown, the fourth adjustment assembly 5 includes a first inclined wedge slider 57, a second inclined wedge slider 54, a guide block 50 and a rotating wheel 53. The first inclined wedge slider 57 is connected to the third adjustment assembly 4. Specifically, the side surface of the third adjustment seat 40 away from the base 1 has a dovetail groove extending along the X-axis direction. The first inclined wedge slider 57 is assembled in the third adjustment seat 40 along the direction of the dovetail groove. The third adjustment seat 40 is also provided with screws 410 and 411. The screws 410 and 411 extend from the side of the third adjustment seat 40 through the third adjustment seat 40 to the direction of the first inclined wedge slider 57 and abut against the first inclined wedge slider 57. The matching clearance between the first inclined wedge slider 57 and the dovetail groove is adjusted by loosening and tightening the adjusting screws 410 and 411. After the adjustment is completed, the screws 410 and 411 are fixed by glue. The guide block 50 is vertically placed on the third adjustment seat 40 of the third adjustment assembly 4 and is located on the tip side of the first inclined wedge slider 57. The side of the guide block 50 is also provided with screws 510 and 511. The rotating wheel 53 extends toward the third adjustment component 4 through the guide block 50 through the shaft structure and is connected with the first inclined wedge slider 57. The guide block 50 is fixedly connected with the third adjustment seat 40 by screws 430 and 431. At the same time, the guide block 50 and the third adjustment seat 40 jointly realize the limit of the rotating wheel 53. The second inclined wedge slider 54 is located between the first inclined wedge slider 57 and the guide block 50, and the second inclined wedge slider 54 is connected with the third adjustment component 4 through a spring member. The spring member includes two, one spring member is composed of a spring 551, a small shaft 550 and a small shaft 420, and the small shaft 550 and the small shaft 420 are respectively connected to the two ends of the spring 551, and the other spring member is composed of a spring 561, a small shaft 560 and a small shaft 421, and the small shaft 560 and the small shaft 421 are respectively connected to the two ends of the spring 561. The second inclined wedge slider 54 and the third adjustment seat 40 are connected by two spring members. The guide block 50 is connected to the second inclined wedge slider 54 through screws 520 and 521. The fixing frame 7 is connected to the second inclined wedge slider 54 through a spring member. When the displacement of the device 6 to be adjusted on the Z axis needs to be adjusted, the screws 520 and 521 are loosened, and the rotating wheel 53 is rotated. The rotating wheel 53 drives the first inclined wedge slider 57 to move, and the second inclined wedge slider 54 moves up and down, thereby achieving adjustment in the Z axis direction. After the adjustment, the screws 520 and 521 are locked.
[0041] like Figure 5 and Figure 6 As shown, the device to be adjusted 6 passes through the fixing frame 7 and is fixed on the fixing frame 7 by using reinforcing screws 610 , 611 , and 612 . Figure 6 The structural diagram of the reinforcing screw is shown, and the reinforcing screw is composed of a top block 6101 and a driving block 6102. The top block 6101 is made of PTFE, and the driving block 6102 is made of SUS304. The top block 6101 directly contacts the surface of the device to be adjusted 6 and will not scratch the surface.
[0042] In summary, the above-mentioned device to be adjusted 6 is actually an optical component. The multi-degree-of-freedom adjustment device of the present application can realize the multi-degree-of-freedom adjustment of various optical components, such as lenses, lenses, etc. The multi-degree-of-freedom adjustment device is compact in size and is particularly suitable for high-precision, multi-degree-of-freedom adjustment in a small space. Precision screws are used for adjustment in each direction. There is no coupling in the adjustment process, and the locking process will not cause the posture of the optical component to change. It has high stability, simple and convenient operation, high efficiency, and can adapt to the posture adjustment of various optical components. It has a wide range of applications, low production costs, and high adjustment accuracy.
[0043] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.
[0046] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A multi-degree-of-freedom adjustment device, characterized in that: include: Base (1); A first adjustment component (2), the first adjustment component (2) being rotatably connected to the base (1) around a Z axis via a pin (110); a second adjustment component (3), the second adjustment component (3) being located on a side of the first adjustment component (2) away from the base (1) and connected to the first adjustment component (2), and at least a portion of the second adjustment component (3) being rotatably arranged around a Y axis; a third adjustment component (4), the third adjustment component (4) being located on a side of the second adjustment component (3) away from the base (1), and the third adjustment component (4) being slidably connected to the second adjustment component (3) along a Y-axis direction; A fourth adjustment component (5), the fourth adjustment component (5) is located on a side of the third adjustment component (4) away from the base (1), at least a portion of the fourth adjustment component (5) is movably arranged along the Z-axis direction, and a fixing frame (7) is arranged on a side of the fourth adjustment component (5) away from the base (1), and the fixing frame (7) has a station for installing the device to be adjusted (6).
2. The multi-degree-of-freedom adjustment device according to claim 1, characterized in that: The first adjustment assembly (2) comprises a first adjustment seat (20), the first adjustment seat (20) and the base (1) both having a central through hole, and the two ends of the pin shaft (110) are respectively inserted into the central through hole of the first adjustment seat (20) and the central through hole of the base (1).
3. The multi-degree-of-freedom adjustment device according to claim 2, characterized in that: The base (1) has a protrusion (12) extending toward the first adjustment seat (20), and there are two protrusions (12). The two protrusions (12) are arranged at intervals on the outer peripheral side of the first adjustment seat (20), and the two protrusions (12) both have threaded holes. The first adjustment component (2) also includes a first precision screw (100) and a second precision screw (101) that cooperate with the two threaded holes. The first precision screw (100) and the second precision screw (101) extend toward the first adjustment seat (20) through the two threaded holes respectively, and the first precision screw (100) and the second precision screw (101) are used to adjust the rotation angle of the first adjustment seat (20) around the Z axis.
4. The multi-degree-of-freedom adjustment device according to claim 2, characterized in that: The first adjustment assembly (2) further comprises a plurality of detachable fixing screws, and the first adjustment seat (20) and the base (1) are fixedly connected via the plurality of fixing screws.
5. The multi-degree-of-freedom adjustment device according to claim 2, characterized in that: The base (1) also has a circumferential through hole (11) spaced apart from the central through hole, the first adjustment seat (20) has a hollow cylindrical structure (23) matched with the circumferential through hole (11), and the second adjustment component (3) includes a hand-tightened precision screw (240), and the hand-tightened precision screw (240) is connected to the hollow cylindrical structure (23) via a first nut (241).
6. The multi-degree-of-freedom adjustment device according to claim 2, characterized in that: The second adjustment assembly (3) comprises a second adjustment seat (30) and a rotating shaft (260), wherein the second adjustment seat (30) has an elongated hole extending in the Y-axis direction, and the four corners of the first adjustment seat (20) all have a protruding structure (24), and the portion of the second adjustment seat (30) having the elongated hole is arranged between a group of the protruding structures (24) located in the Y-axis direction, and the rotating shaft (260) passes through the protruding structure (24) and the elongated hole to realize the connection between the second adjustment seat (30) and the first adjustment seat (20).
7. The multi-degree-of-freedom adjustment device according to claim 6, characterized in that: The second adjustment assembly (3) further comprises a spring assembly, a left fixing screw (271) and a right fixing screw (270), and the first adjustment seat (20) and the second adjustment seat (30) are connected via the spring assembly, the left fixing screw (271) and the right fixing screw (270).
8. The multi-degree-of-freedom adjustment device according to claim 1, characterized in that: The third adjustment assembly (4) comprises a third adjustment seat (40) and a stopper (303); the third adjustment seat (40) is slidably connected to the second adjustment assembly (3) along the Y-axis direction; and the stopper (303) is arranged in the movement direction of the third adjustment seat (40).
9. The multi-degree-of-freedom adjustment device according to claim 1, characterized in that: The fourth adjustment component (5) comprises a first inclined wedge slider (57), a second inclined wedge slider (54), a guide block (50) and a rotating wheel (53); the first inclined wedge slider (57) is connected to the third adjustment component (4); the guide block (50) is vertically arranged on the third adjustment component (4) and is located on one side of the first inclined wedge slider (57); the rotating wheel (53) extends toward the third adjustment component (4) through the guide block (50) via an axis structure and is connected to the first inclined wedge slider (57); the second inclined wedge slider (54) is located between the first inclined wedge slider (57) and the guide block (50); and the second inclined wedge slider (54) is connected to the third adjustment component (4) via a spring member.
10. The multi-degree-of-freedom adjustment device according to any one of claims 1 to 9, characterized in that: The multi-degree-of-freedom adjustment device has a length A less than or equal to 77 mm, a width B less than or equal to 76 mm, and a height C less than or equal to 77 mm.