Adjusting device and optical element testing equipment

Abstract

The utility model provides an adjusting device and optical element testing equipment, the adjusting device comprises a bearing frame, an adjusting frame, a first connecting assembly and a second connecting assembly, the adjusting frame is movably connected with the bearing frame through the first connecting assembly, and a part of structure of the adjusting frame is located in a center hole of the bearing frame; a movable gap is formed between the bearing frame and the adjusting frame in the thickness direction of the bearing frame; the hole wall of the center hole of the bearing frame comprises a first spherical surface; the adjusting frame is provided with a spherical surface part matched with the first spherical surface, and a center hole of the adjusting frame is used for placing an optical element; the adjusting frame has a locking state and an unlocking state, and when the adjusting frame is in the unlocking state, the adjusting frame can rotate to a target position relative to the bearing frame; and when the adjusting frame rotates to a target position, the second connecting assembly is used for relatively fixing the adjusting frame at the target position and the bearing frame, so that the adjusting frame is in a locked state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical element testing, and particularly relates to an adjusting device and an optical element testing equipment. BACKGROUND

[0002] Generally, a mark with distinct features is designed on a target to generate a mark point. According to whether the mark point emits light or not, the target can be divided into two types: a target without a light source and a target with a light source. The target without a light source generates a mark point by using a special pattern on the target. In order to obtain an ideal mark point image, a special light source is usually used to irradiate the target. Before testing the target, the target needs to be placed on a base for adjustment and fixation through a clamp (adjusting device).

[0003] To this end, a kind of machine vision displacement deformation monitoring special measuring target is disclosed in Chinese application patent No.CN202420996350.7. Specifically, the left and right positions of the target body can be adjusted by sliding the slider on the bottom surface of the fixed block and rotating the rotating screw without changing the front and back positions of the support column, which can improve the applicability of the device and enhance the practicality of the device. However, the device is provided with a moving structure, the rotating screw is threadedly connected with the fixed block, and the rotation of the rotating screw drives the installation plate, the target body and the fixed block to move left and right on the support column, and the slider slides on the bottom surface of the fixed block, so that the left and right positions of the target body can be adjusted. When adjusting the left and right positions of the target body, the positions of the mark points on the target will change, resulting in low position adjustment accuracy of the target body, and the adjustment efficiency of the target body is low. Practical new type content

[0004] Embodiments of the present application provide an adjusting device and an optical element testing equipment, which can solve the problems of low position adjustment accuracy and low adjustment efficiency of the adjusting device for adjusting the target in the related art.

[0005] In a first aspect, an embodiment of the present application provides an adjusting device for testing an optical element, the adjusting device comprising: a bearing frame, an adjusting frame, a first connecting assembly and a second connecting assembly, the adjusting frame is movably connected with the bearing frame through the first connecting assembly, part of structure of the adjusting frame is located in a central hole of the bearing frame, and the bearing frame and the adjusting frame have a movable gap in a thickness direction of the bearing frame; a hole wall of the central hole of the bearing frame comprises a first spherical surface; the adjusting frame has a spherical surface part matched with the first spherical surface, and the central hole of the adjusting frame is used for placing the optical element; the adjusting frame has a locked state and an unlocked state, when the adjusting frame is in the unlocked state, the adjusting frame can be rotated to a target position relative to the bearing frame; when the adjusting frame is rotated to the target position, the second connecting assembly is used for relatively fixing the adjusting frame in the target position with the bearing frame, so that the adjusting frame is in the locked state.

[0006] The adjusting device provided by the embodiment of the present application has the beneficial effects that: by designing the inner wall of the central hole of the bearing frame to comprise the first spherical surface, the adjusting frame has the spherical surface part matched with the first spherical surface, the adjusting frame is movably connected with the bearing frame through the first connecting assembly, and meanwhile, the bearing frame and the adjusting frame have the movable gap in the thickness direction of the bearing frame, so as to leave space for the rotation of the adjusting frame relative to the bearing frame, thus, when the adjusting frame is in the unlocked state, the adjusting frame is rotated relative to the bearing frame through the spherical surface matching, not only the rotation between the adjusting frame and the bearing frame in three directions is realized, that is, three rotation degrees of freedom are realized, so as to improve the adjusting efficiency of the bearing frame, but also the position of the geometric center point of the adjusting frame does not change during the rotation of the adjusting frame, that is, when the optical element is fixedly placed on the adjusting frame, and the center point of the spherical surface part of the adjusting frame coincides with the mark point position on the optical element, the position of the adjusting frame is rotated, so that the line between the geometric center point of the adjusting frame and the geometric center point of the optical element is collinear with the optical axis of the optical element, at this time, the adjusting frame is in the target position, that is, the co-point adjustment of the optical element is realized; when the position of the bearing frame is adjusted to be in the target position, the adjusting frame is fixed relative to the bearing frame through the second connecting assembly, at this time, the second connecting assembly prevents the relative movement between the adjusting frame and the bearing frame, that is, the adjusting frame is in the locked state, so as to improve the adjusting precision of the optical element.

[0007] In some embodiments, the central hole of the bearing frame has a projection in a first plane including a plurality of straight lines and a plurality of circular arcs, two adjacent straight lines being connected by a circular arc, and a projection of the first spherical surface in the first plane being the circular arc; the adjusting frame includes a first frame body and a second frame body, the first frame body being connected to the central hole of the second frame body and protruding to one side of the second frame body in a thickness direction; an outer contour of the first frame body in the first plane has the same shape as the central hole of the bearing frame; when the first frame body is matched with the bearing frame, a gap between a side surface of the second frame body close to the first frame body and the bearing frame is the active gap; and the first plane is perpendicular to the thickness direction of the bearing frame.

[0008] By the above arrangement, the structure of the adjusting frame and the bearing frame is simplified, the processing difficulty of the adjusting frame and the bearing frame is reduced, and the occupied space of the adjusting device is reduced.

[0009] In some embodiments, the second frame body is square, and the connecting part is located at a corresponding corner of the second frame body.

[0010] By designing the second frame body as square and arranging the connecting part at the corner of the second frame body, the occupied space of the adjusting frame is reduced, and the interference with the optical element is reduced during the rotation of the adjusting frame.

[0011] In some embodiments, the adjusting frame is provided with a guide groove, the first connecting assembly includes a first fastener and an elastic member sleeved on the first fastener, and the first fastener penetrates the guide groove to be screwed with the bearing frame.

[0012] By the above arrangement, the adjusting efficiency and the adjusting accuracy of the adjusting frame can be improved.

[0013] In some embodiments, the length direction of the guide groove extends along a straight line or a curve.

[0014] By the above arrangement, the guide groove with different shapes can be selected according to the shape of the optical element and the shape of the adjusting frame and the adjusting accuracy of the adjusting frame.

[0015] In some embodiments, the projection contour of the central hole of the bearing frame in the first plane is a square with rounded corners, the outer contour of the first frame body in the first plane is a square with rounded corners, the length direction of the guide groove extends along a straight line, and the length direction of the guide groove is inclined by 45° with respect to the side length direction of the square.

[0016] Through the above arrangement, so that on the basis of meeting the adjustment accuracy of the adjustment frame, the machining difficulty of the guide groove is reduced, thereby reducing the machining cost of the adjusting device.

[0017] In some embodiments, the first frame body and the second frame body are an integral structure.

[0018] Through the above arrangement, not only the strength of the adjustment frame is improved, but also the assembly process of the adjustment frame and the bearing frame is simplified.

[0019] In some embodiments, the center hole of the second frame body and the center hole of the first frame body are the same in shape and size.

[0020] Through the above arrangement, the machining sequence of the adjustment frame is simplified, thereby reducing the cost.

[0021] In some embodiments, the first fastener includes a first stud and a protrusion connected to one end of the first stud, the first stud is screwed with the bearing frame, and the elastic member abuts between the protrusion and the guide groove.

[0022] Through the above arrangement, the size of the upper movement gap between the adjustment frame and the bearing frame in the thickness direction of the bearing frame can be adjusted by rotating the first stud, and the deformation of the elastic member in the thickness direction of the bearing frame is changed at the same time, thereby adjusting the size of the elastic force applied by the elastic member to the adjustment frame, and controlling the position adjustment accuracy of the adjustment frame.

[0023] In some embodiments, the first connecting assembly further includes a sleeve ring sleeved on the first stud, the elastic member abuts between the protrusion and the sleeve ring, and when the first stud passes through the guide groove, the sleeve ring is stopped at the guide groove.

[0024] By arranging the sleeve ring between the elastic member and the guide groove, the sleeve ring plays a stopping role during the screwing of the first stud through the guide groove and the bearing frame, thereby reducing the risk of the elastic member sinking into the guide groove, and improving the adjustment accuracy of the adjustment frame.

[0025] In some embodiments, the elastic member is a spring or an elastic sleeve.

[0026] Through the above arrangement, different structures can be selected according to the adjustment accuracy of the adjustment frame.

[0027] In some embodiments, the elastic member is a helical spring or a flat spring.

[0028] In some embodiments, the second connecting assembly is located at a corner of the bearing frame, the first connecting assembly is located at a corner of the bearing frame, and the second connecting assembly is located at a different corner from the first connecting assembly; the second connecting assembly comprises a second fastener and a stop pin; the second fastener is screwed through the adjusting frame and the bearing frame, for limiting movement of the adjusting frame relative to the bearing frame in the thickness direction of the bearing frame; the first spherical surface is provided with a mounting hole, the mounting hole penetrates the bearing frame in a direction perpendicular to the thickness direction of the bearing frame, and the stop pin can extend into the central hole of the bearing frame through the mounting hole to abut against the spherical surface, for limiting rotation of the adjusting frame relative to the bearing frame.

[0029] Through the above arrangement, when the adjusting frame is in the locked state, the risk of rotation of the adjusting frame relative to the bearing frame is reduced, so that the adjusting frame and the bearing frame are firmly connected, thereby facilitating improvement of the adjustment and positioning accuracy of the optical element.

[0030] In some embodiments, the bearing frame has a polygonal outer contour, and the corner of the bearing frame connected with the second connecting assembly is provided with a chamfer, and the mounting hole penetrates the chamfer and the first spherical surface.

[0031] Through the above arrangement, the positioning and processing of the mounting hole are facilitated.

[0032] In some embodiments, the number of first connecting assemblies is two, and the two first connecting assemblies are located at two adjacent corners of the bearing frame; the number of second connecting assemblies is two, and the two second connecting assemblies are located at the other two corners of the bearing frame which are not provided with the first connecting assemblies.

[0033] Through the above arrangement, the adjustment accuracy and efficiency of the adjusting frame can be improved.

[0034] In some embodiments, the normal projection of the second frame body on the bearing frame is within the bearing frame.

[0035] Through the above arrangement, the occupied space of the adjusting device is reduced, thereby facilitating miniaturization design of the adjusting device.

[0036] In some embodiments, the optical element is detachably fixedly connected with the adjusting frame.

[0037] Through the above arrangement, the optical element is facilitated to be disassembled and assembled.

[0038] In some embodiments, the optical element is a target or an optical lens.

[0039] Through the above arrangement, the adjusting device can be applied to testing of a target or an optical lens.

[0040] In a second aspect, the embodiments of the present application further provide an optical element testing device, comprising the adjusting device as described in the first aspect.

[0041] The adjusting device in the optical element testing device in the embodiments of the present application has the same technical effects as the adjusting device in the first aspect, and thus will not be described here again. BRIEF DESCRIPTION OF DRAWINGS

[0042] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0043] Figure 1 Structure diagram of the adjusting device in some embodiments of the present application;

[0044] Figure 2 Partially exploded view of the adjusting device in some embodiments of the present application; Figure 1

[0045] Structure diagram of the adjusting device in some embodiments of the present application from another perspective; Figure 3 Figure 1 Structure diagram of the adjusting device in some embodiments of the present application from another perspective;

[0046] Figure 4 Figure 3 Enlarged view of I in some embodiments of the present application;

[0047] Figure 5 Structure diagram of the adjusting device in some embodiments of the present application from another perspective; Figure 1

[0048] Figure 6 A-A sectional view of some embodiments of the present application; Figure 5

[0049] Cross-sectional schematic diagram of the adjusting device in some embodiments of the present application at A-A position; Figure 7

[0050] B-B sectional view of some embodiments of the present application; Figure 8 Figure 5 Enlarged view of I in some embodiments of the present application;

[0051] Figure 9 Figure 8 Structure diagram of the adjusting device in some embodiments of the present application;

[0052] Figure 10 Partially structure diagram of the adjusting device;

[0053] Figure 11 ​​​​​Structure schematic diagram of an optical element clamp in some embodiments of the present application from one perspective;

[0054] Figure 12 For Figure 10 Structure schematic diagram of an optical element clamp in some embodiments of the present application from another perspective.

[0055] In the drawings, various reference numerals represent various features:

[0056] 10, bearing frame; 101, first curved surface; 102, movable gap; 11, chamfer; 12, mounting hole;

[0057] 20, adjusting frame; 201, spherical surface; 21, first frame body; 22, second frame body; 23, guide groove; 24, through hole;

[0058] 30, first connecting assembly; 31, first fastener; 311, first stud; 312, protrusion; 32, elastic member; 33, ferrule;

[0059] 40, second connecting assembly; 41, second fastener; 411, second stud; 412, nut; 42, stop pin;

[0060] 50, clamping assembly. DETAILED DESCRIPTION

[0061] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0062] The terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0063] Generally, a mark with distinctive features is designed on the target to generate a mark point. According to whether the mark point emits light or not, the target can be divided into two categories: a light source-free target and a light source target. The light source-free target uses a specially designed pattern on the target to generate a mark point. In order to obtain an ideal mark point image, a special light source is usually used to irradiate the target. Before testing the target, the target needs to be placed on the base for adjustment and fixation through a clamp (adjusting device) first.

[0064] To this end, the Chinese application patent number: CN202420996350.7 discloses a kind of machine vision displacement deformation monitoring special measuring target. Specifically, by slidingly installing slider in the bottom surface of fixed block, by rotating rotary screw, the left and right positions of target body can be adjusted, without changing the front and back positions of support column, the application range of device can be improved, and the practicability of device is enhanced. However, the device is provided with a moving structure, a rotary screw is rotated, the rotary screw is threadedly connected with the fixed block, the rotation of the rotary screw drives the mounting plate, the target body and the fixed block to move left and right on the upper side of the support column, and the slider slides on the bottom surface of the fixed block, so that the left and right positions of the target body can be adjusted. When adjusting the left and right positions of the target body, the positions of the mark points on the target will change, resulting in low position adjustment accuracy of the target body, and the target body adjustment efficiency is low.

[0065] To solve the above problems, the present application provides an adjusting device and an optical element testing equipment, which comprises an adjusting device for adjusting the relative position of an optical element.

[0066] As shown in Figure 2 , 4 and 6, the adjusting device comprises a bearing frame 10, an adjusting frame 20, a first connecting assembly 30 and a second connecting assembly 40. The adjusting frame 20 is movably connected with the bearing frame 10 through the first connecting assembly 30, part of the structure of the adjusting frame 20 is located in the center hole of the bearing frame 10, and the bearing frame 10 and the adjusting frame 20 have a movable gap 102 in the thickness direction of the bearing frame 10. The hole wall of the center hole of the bearing frame 10 comprises a first spherical surface 101. The adjusting frame 20 has a spherical surface part 201 matched with the first spherical surface 101, that is, the curvature of the spherical surface part 201 is equal to the curvature of the first spherical surface 101. The center hole of the adjusting frame 20 is used to place an optical element. The adjusting frame 20 has a locked state and an unlocked state. When the adjusting frame 20 is in the unlocked state, the adjusting frame 20 can rotate relative to the bearing frame 10, the first spherical surface 101 is spherical matched with the spherical surface part 201, that is, the adjusting frame 20 can be spherical rotated to a target position relative to the bearing frame 10. When the adjusting frame 20 is rotated to the target position, the second connecting assembly 40 is used to fix the adjusting frame 20 in the target position relative to the bearing frame 10, so that the adjusting frame 20 is in the locked state.

[0067] The optical element can be a target or an optical lens, etc. The structure at the center hole of the adjusting frame 20 can be adjusted according to the shape of the optical element. When the structure of the optical element is relatively simple, for example, the optical element is in the form of a plate or a sheet, and the outer shape is a regular circular, square or other regular shape structure, the optical element can be directly and detachably fixedly connected with the adjusting frame 20. When the structure of the optical element is changed, the optical element can be mounted at the center hole of the adjusting frame 20 by changing the structure at the center hole of the adjusting frame 20. When the structure of the optical element is relatively special or complex, the optical element can be detachably connected with the adjusting frame 20 by using a clamp with a different structure. In this way, the adjusting device can be adapted to different optical elements by simultaneously replacing the clamp and the optical element.

[0068] When the adjusting frame 20 is mounted with the bearing frame 10, the first spherical surface 101 is matched with the spherical surface part 201, that is, the spherical center of the first spherical surface 101 is overlapped with the spherical center of the spherical surface part 201. Therefore, during the design of the adjusting frame 20, the mark point on the optical element (for example, a target) placed on the adjusting frame 20 needs to be overlapped with the spherical center, so that the mark point on the target is always unchanged during the rotation of the adjusting frame 20 relative to the bearing frame 10, thereby achieving the co-point adjustment of the optical element.

[0069] By designing the inner wall of the center hole of the bearing frame 10 to include the first spherical surface 101, the adjusting frame 20 has the spherical surface part 201 matched with the first spherical surface 101, the adjusting frame 20 is movably connected with the bearing frame 10 through the first connecting assembly 30, and the bearing frame 10 and the adjusting frame 20 have a movement gap 102 in the thickness direction of the bearing frame 10, thereby leaving space for the rotation of the adjusting frame 20 relative to the bearing frame 10. In this way, when the adjusting frame 20 is in the unlocked state, the rotation of the adjusting frame 20 relative to the bearing frame 10 is realized through the spherical surface matching, so that the adjusting frame 20 and the bearing frame 10 are rotatable in three directions, that is, have three rotational degrees of freedom, thereby improving the adjustment efficiency of the bearing frame 10. Moreover, during the rotation of the adjusting frame 20, the position of the geometric center point of the adjusting frame 20 does not change, that is, when the optical element is fixedly placed on the adjusting frame 20, and the center point of the spherical surface part 201 of the adjusting frame 20 is overlapped with the mark point on the optical element, the rotation of the adjusting frame 20 is used to make the line between the geometric center point of the adjusting frame 20 and the geometric center point of the optical element be collinear with the optical axis of the optical element, at this time, the adjusting frame 20 is in the target position, that is, the co-point adjustment of the optical element is realized. When the position of the bearing frame 10 is adjusted to be in the target position, the adjusting frame 20 is fixed relative to the bearing frame 10 through the second connecting assembly 40, at this time, the second connecting assembly 40 prevents the relative movement of the adjusting frame 20 and the bearing frame 10, that is, the adjusting frame 20 is in the locked state, thereby improving the adjustment accuracy of the optical element.

[0070] like Figure 2 、 Figure 3 and Figure 6 As shown, in some embodiments, the orthographic projection of the center hole of the supporting frame 10 in the first plane includes multiple straight lines and multiple arcs, two adjacent straight lines are connected by arcs, and the orthographic projection of the first spherical surface 101 in the first plane is an arc, that is, multiple straight lines and multiple arcs are arranged in the first plane to form a closed figure, such as a polygon with rounded corners, that is, the outline of the orthographic projection of the center hole of the supporting frame 10 in the first plane is a polygon with rounded corners; the adjustment frame 20 includes a first frame body 21 and a second frame body 22, and the first frame body 21 is connected to the inside of the second frame body 22. And it protrudes toward one side of the second frame body 22 in the thickness direction; the outer contour shape of the orthographic projection of the first frame body 21 in the first plane is the same as the shape of the center hole of the carrier frame 10, that is, the outer contour of the orthographic projection of the first frame body 21 in the first plane is a polygon with rounded corners, and the rounded corner connection of the first frame body 21 is a spherical portion 201; when the first frame body 21 is spherically matched with the carrier frame 10, the gap between the side surface of the second frame body 22 close to the first frame body 21 and the carrier frame 10 is a movable gap 102; wherein, the first plane is perpendicular to the thickness direction of the carrier frame 10.

[0071] Through the above arrangement, the structures of the adjusting frame 20 and the carrying frame 10 are simplified, which not only reduces the difficulty of the processing of the adjusting frame 20 and the carrying frame 10, but also helps to reduce the space occupied by the adjusting device.

[0072] When the outline of the optical element is square or approximately square, the outline of the center hole of the adjustment frame 20 is square, and the outer outline of the structure of the adjustment frame 20 located in the center hole of the carrying frame 10 is also square with rounded corners.

[0073] like Figure 2 and Figure 5 As shown, in some embodiments, the orthographic projection of the second frame body 22 on the carrying frame 10 is within the carrying frame 10 .

[0074] The above arrangement reduces the space occupied by the adjustment device, thereby facilitating a miniaturized design of the adjustment device. This not only reduces the size of the adjustment device, facilitating transportation and enabling use in confined spaces, but also ensures that, during rotation of the adjustment frame 20, the adjustment frame 20 will not substantially extend beyond the carrier frame 10, or will extend only slightly. This allows the adjustment device to occupy less space when fixedly mounted on an optical inspection device or platform. Of course, if the adjustment device has no size restrictions, the orthographic projection of the adjustment frame 20 on the carrier frame 10 may also be located outside the carrier frame 10, without further limitation.

[0075] like Figure 2 and Figure 6As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost.

[0076] As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost. Figure 2 Figure 6 As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost.

[0077] Through the above arrangement, the machining of the central hole of the adjusting frame 20 can be completed in one process during the machining of the adjusting frame 20, thereby simplifying the machining sequence of the adjusting frame 20 and further reducing the cost.

[0078] As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost. Figure 2 Figure 10 As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost.

[0079] By providing the guide groove 23 on the adjusting frame 20, when the first fastener 31 is screwed with the carrying frame 10 through the guide groove 23, the deformation amount of the elastic member 32 sleeved on the first fastener 31 can be adjusted by adjusting the first fastener 31, so as to adjust the size of the elastic force applied by the elastic member 32 to the adjusting frame 20. In this way, it is beneficial to improve the position adjusting precision and the adjusting efficiency of the adjusting frame 20.

[0080] As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost. Figure 10 As shown in the drawings, in some embodiments, the first frame body 21 and the second frame body 22 are integrated structures. In this way, not only the strength of the adjusting frame 20 is improved, but also the number of components of the adjusting frame 20 is reduced, thereby reducing the assembly process of the adjusting frame 20 and the carrying frame 10 during the assembly of the adjusting device, improving the assembly efficiency, and reducing the processing cost.

[0081] The above-mentioned outer contour of the carrying frame 10 can be designed according to actual needs, which can be square, rounded square, square with right angles, etc. It should be noted that the outer contour of the carrying frame 10 refers to the main body contour of the carrying frame 10 near the central hole. Figure 2 ​​As shown, the carrier frame 10 includes a main body and an extension portion. The outer contour of the main body is square. The extension portion is connected to one side edge of the main body and extends outward from the main body. On the one hand, the extension portion facilitates the clamping and carrying of the carrier frame 10, and on the other hand, it facilitates the connection with other components. At this time, the outer contour of the carrier frame 10 mainly refers to the outer contour of the main body, because the extension portion may or may not be provided. When the carrier frame 10 is as shown in FIG. Figure 2 As shown, it can also be said that the overall outer contour of the carrying frame 10 is polygonal.

[0082] Since the processing difficulty of a straight groove is lower than that of a curved groove, the above arrangement can reduce the processing difficulty of the guide groove 23 while satisfying the adjustment accuracy of the adjustment frame 20, thereby reducing the processing cost of the adjustment device.

[0083] Of course, when the outline of the optical element is rectangular, circular, or elliptical, the outline of the center hole of the adjustment frame 20 is also rectangular, circular, or elliptical. In this case, using a linear groove may not meet the required adjustment accuracy of the adjustment frame 20. To improve the adjustment accuracy of the adjustment frame 20, the extension direction of the guide groove 23 is designed to be a curve, that is, the guide groove 23 is a curved groove. Importantly, the extension direction of the linear groove is along the motion trajectory of the adjustment frame 20. This can improve the adjustment accuracy of the adjustment frame 20.

[0084] like Figure 2 and Figure 5 As shown, in some embodiments, the number of first connecting components 30 is two, and the two first connecting components 30 are located at two adjacent corners of the carrier frame 10; the number of second connecting components 40 is two, and the two second connecting components 40 are located at the other two corners of the carrier frame 10 where the first connecting components 30 are not set.

[0085] It should be noted that the sum of the first connecting components 30 and the second connecting components 40 is equal to the number of corners of the carrying frame 10 .

[0086] Through the above-mentioned arrangement, while the adjustment frame 20 and the supporting frame 10 are movably connected through the two first connecting components 30, the two first connecting components 30 can also restrict and influence each other, reducing the adjustment range of the adjustment frame 20, thereby helping to improve the adjustment accuracy and adjustment efficiency of the adjustment frame 20; and the two second connecting components 40 can not only limit the adjustment frame 20 in the two diagonal directions of the square in the cross-section perpendicular to the thickness direction of the supporting frame 10, but also limit the movement of the adjustment frame 20 in the thickness direction of the supporting frame 10, thereby improving the adjustment accuracy of the adjustment frame 20, and thus achieving the purpose of improving the adjustment accuracy and adjustment efficiency of the adjustment frame 20.

[0087] When the adjustment frame 20 has a square profile, the first connecting components 30 may be one, three, four, or other numbers other than two. The sum of the first connecting components 30 and the second connecting components 40 is equal to the number of corners. When the adjustment frame 20 has a circular or elliptical profile, the first connecting components 30 may be spaced apart along the circumference of the adjustment frame 20, and the specific number is not limited herein.

[0088] like Figure 6 As shown, in some embodiments, the first fastener 31 includes a first stud 311 and a protrusion 312 connected to one end of the first stud 311, the first stud 311 is screwed to the supporting frame 10, and the elastic member 32 abuts between the protrusion 312 and the guide groove 23.

[0089] Through the above-mentioned setting, the size of the upper movable gap 102 between the adjustment frame 20 and the supporting frame 10 in the thickness direction of the supporting frame 10 can be adjusted by rotating the first screw 311. When adjusting the first screw 311, the deformation of the elastic member 32 in the thickness direction of the supporting frame 10 is changed, thereby changing the magnitude of the elastic force applied by the elastic member 32 to the adjustment frame 20, thereby controlling the position adjustment accuracy of the adjustment frame 20.

[0090] The first stud 311 and the protrusion 312 may be an integral structure. In this case, the first fastener 31 is a bolt structure, but the length of the protrusion 312 is greater than the width of the linear slot.

[0091] It should be noted that the elastic member 32 may be a spring.

[0092] like Figure 6 As shown, the elastic member 32 is a coil spring. When the first connecting assembly 30 is movably connected to the carrying frame 10 and the adjusting frame 20, the elastic member 32 is in a compressed state.

[0093] The above-mentioned spring can be a coil spring or a flat spring, which is not specifically limited here.

[0094] Of course, the elastic member 32 can be a spring or an elastic sleeve. The elastic sleeve refers to a sleeve structure with elasticity. Figure 7 That is, an elastic member 32 can be sleeved on the first stud 311, and the elastic member 32 abuts between the protrusion 312 and the linear groove, thereby reducing the space occupied by the adjustment device in the thickness direction of the carrier frame 10, thereby facilitating miniaturization and thinness of the adjustment device.

[0095] In addition, it should be noted that when the elastic member 32 is a sleeve structure with elasticity, the first connecting assembly 30 can be connected at the four corners of the adjusting frame 20, and some of the first connecting assembly 30 replaces the second fastener 41 in the fastener assembly. In this way, during the rotation of the adjusting frame 20, the elastic member 32 is deformed, so as to rotate the adjusting frame 20 to the target position, and then adjust the first fastener 31 to limit the movement of the adjusting frame 20 relative to the bearing frame 10 in the thickness direction of the bearing frame 10, so that the adjusting frame 20 is in the locked state.

[0096] As shown in Figure 6 some embodiments, the first connecting assembly 30 further includes a sleeve ring 33 sleeved on the first stud 311, and the elastic member 32 abuts between the lug 312 and the sleeve ring 33. When the first stud 311 passes through the guide groove 23, the sleeve ring 33 is stopped at the guide groove 23.

[0097] By arranging the sleeve ring 33 between the elastic member 32 and the guide groove 23, the sleeve ring 33 plays a stopping role during the screwing of the first stud 311 through the guide groove 23 and the bearing frame 10, thereby reducing the risk of the elastic member 32 sinking into the guide groove 23, and improving the adjustment accuracy of the adjusting frame 20.

[0098] It should be noted that the number of the sleeve ring 33 can be one or more. When multiple sleeve rings 33 are sleeved on the first stud 311, the adjacent two sleeve rings 33 can be curvedly matched, so as to reduce the friction between the adjacent two sleeve rings 33 during the rotation of the adjusting frame 20, thereby making the rotation of the adjusting frame 20 more smooth.

[0099] As shown in Figure 2 some embodiments, the second connecting assembly 40 is located at a corner of the bearing frame 10, the first connecting assembly 30 is located at a corner of the bearing frame 10, and the second connecting assembly 40 and the first connecting assembly 30 are located at different corners. The second connecting assembly 40 includes a second fastener 41 and a stop pin 42. The second fastener 41 is screwed through the adjusting frame 20 and the bearing frame 10, and is used to limit the movement of the adjusting frame 20 relative to the bearing frame 10 in the thickness direction of the bearing frame 10. The first spherical surface 101 is provided with a mounting hole 12, the mounting hole 12 penetrates the bearing frame 10 in a direction perpendicular to the thickness direction of the bearing frame 10, and the stop pin 42 can extend into the center hole of the bearing frame 10 through the mounting hole 12 to abut against the spherical surface 201, so as to limit the rotation of the adjusting frame 20 relative to the bearing frame 10, and make the adjusting frame 20 in the locked state.

[0100] Through the above arrangement, when the adjusting frame 20 is in the locked state, the second fastener 41 limits the movement of the adjusting frame 20 in the thickness direction of the bearing frame 10, the stop pin 42 limits the movement of the adjusting frame 20 in the direction perpendicular to the thickness direction of the bearing frame 10, thereby reducing the risk of rotation of the adjusting frame 20 relative to the bearing frame 10, so that the adjusting frame 20 is firmly connected with the bearing frame 10, thereby facilitating the improvement of the adjustment and positioning accuracy of the optical element.

[0101] As shown in FIGS. Figure 6 and 10 The adjusting frame 20 is provided with a through hole 24, the second fastener 41 includes a second stud 411 and a nut 412, the nut 412 is screwed with the second stud 411, and the second stud 411 is screwed with the bearing frame 10 through the through hole 24. In this way, the second stud 411 can be screwed with the bearing frame 10, and the adjusting frame 20 can be fixed relative to the bearing frame 10 by tightening or loosening the nut 412. In this way, the user can determine the movement distance of the nut 412 in the thickness direction of the bearing frame 10 by checking the number of rotation turns of the nut 412, thereby making the assembly of the adjusting frame 20 intuitive, and reducing the probability of damage to the adjusting frame 20 caused by over-tightening of the second fastener 41.

[0102] As shown in FIGS. Figure 5 and Figure 9 In some embodiments, the bearing frame 10 connected with the second connecting assembly 40 is provided with a chamfer 11 at the corner thereof, and the mounting hole 12 penetrates through the chamfer 11 and is connected with the first spherical surface 101.

[0103] Through the above arrangement, the chamfer 11 is designed to facilitate the positioning of the mounting hole 12 during the processing of the mounting hole 12, thereby improving the processing accuracy of the mounting hole 12.

[0104] The chamfer 11 includes a flat surface, that is, a straight chamfer, and the mounting hole 12 is provided on the chamfer 11, and the axial direction of the mounting hole 12 intersects or is perpendicular to the flat surface of the chamfer 11. In this way, the processing difficulty of the mounting hole 12 is reduced. In order to further improve the processing effect of the mounting hole 12, the flat surface of the chamfer 11 and the tangent line at the connection between the mounting hole 12 and the first spherical surface 101 can be balanced, so that the length of the mounting hole 12 is the shortest.

[0105] As shown in FIGS. Figure 11 and Figure 12 The present application also provides another adjusting device for an optical element, which comprises a bearing frame 10 and an adjusting frame 20 connected with the optical element through a clamping assembly 50.

[0106] The clamping assembly 50 in the present embodiment can be appropriately selected according to the structure of the center hole of the adjusting frame 20 and the structure of the optical element, so that the optical element can be fixedly installed at the center hole of the adjusting frame 20, without specific limitation.

[0107] In the present embodiment, the structure of the carrier frame 10 is the same as that of the carrier frame 10 in any of the above embodiments, and will not be described again. The structure of the carrier frame 10 at the spherical fitting portion of the adjustment frame 20 in the present embodiment is the same as that of the carrier frame 10 and the adjustment frame 20, and the optical element is mounted at the central hole of the adjustment frame 20 through the clamping assembly 50.

[0108] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An adjustment device for testing of an optical element, characterized in that The application relates to a bearing frame (10), an adjusting frame (20), a first connecting assembly (30) and a second connecting assembly (40), the adjusting frame (20) is movably connected with the bearing frame (10) through the first connecting assembly (30), part of the structure of the adjusting frame (20) is located in a central hole of the bearing frame (10), and the bearing frame (10) and the adjusting frame (20) have a movable gap (102) in the thickness direction of the bearing frame (10); the hole wall of the central hole of the bearing frame (10) comprises a first spherical surface (101); the adjusting frame (20) is provided with a spherical surface part (201) matched with the first spherical surface (101), and the central hole of the adjusting frame (20) is used for placing the optical element; the adjusting frame (20) has a locking state and an unlocking state, when the adjusting frame (20) is in the unlocking state, the adjusting frame (20) can be rotated to a target position relative to the bearing frame (10); when the adjusting frame (20) is rotated to the target position, the second connecting assembly (40) is used for relatively fixing the adjusting frame (20) in the target position and the bearing frame (10) to make the adjusting frame (20) in the locking state. The central hole of the bearing frame (10) has a plurality of straight lines and a plurality of circular arcs in the orthographic projection in a first plane, two adjacent straight lines are connected through the circular arcs, and the orthographic projection of the first spherical surface (101) in the first plane is the circular arc; the adjusting frame (20) comprises a first frame body (21) and a second frame body (22), the first frame body (21) is connected to the central hole of the second frame body (22) and protrudes to one side of the second frame body (22) in the thickness direction; the orthographic projection of the first frame body (21) in the first plane has the same shape as the shape of the central hole of the bearing frame (10); when the first frame body (21) is matched with the spherical surface of the bearing frame (10), the gap between the side surface of the second frame body (22) close to the first frame body (21) and the bearing frame (10) is the movable gap (102); wherein the first plane is perpendicular to the thickness direction of the bearing frame (10). The adjusting frame (20) is provided with a guide groove (23), the first connecting assembly (30) comprises a first fastener (31) and an elastic member (32) sleeved on the first fastener (31); the first fastener (31) penetrates through the guide groove (23) to be screwed with the bearing frame (10). The length direction of the guide groove (23) extends along a straight line or a curve. The orthographic projection profile of the central hole of the bearing frame (10) in the first plane is a square with rounded corners, the orthographic projection outer contour of the first frame body (21) in the first plane is a square with rounded corners, the length direction of the guide groove (23) extends along a straight line, and the length direction of the guide groove (23) is inclined by 45 degrees relative to the side length direction of the square.

2. The adjustment device of claim 1, wherein ​ 3. The adjustment device according to claim 2, characterized in that ​ 4. The adjustment device of claim 3, wherein ​ 5. The adjustment device of claim 4, wherein, ​ 6. The adjustment device according to any one of claims 2-5, characterized in that, The first frame (21) and the second frame (22) are integrated; and / or, the center hole of the second frame (22) and the center hole of the first frame (21) are of the same shape and the same size.

7. The adjustment device according to any one of claims 3-5, characterized in that, The first fastener (31) comprises a first stud (311) and a protrusion (312) connected to one end of the first stud (311), the first stud (311) is screwed with the bearing frame (10), and the elastic member (32) abuts between the protrusion (312) and the guide groove (23).

8. The adjustment device of claim 7, wherein, The first connecting assembly (30) further comprises a sleeve ring (33) sleeved on the first stud (311), the elastic member (32) abuts between the protrusion (312) and the sleeve ring (33), and the sleeve ring (33) is stopped at the guide groove (23) when the first stud (311) passes through the guide groove (23).

9. The adjustment device of claim 7, wherein, The elastic member (32) is a spring or an elastic sleeve.

10. The adjustment device according to any one of claims 2-5, characterized in that, The second connecting assembly (40) is located at a corner of the bearing frame (10), the first connecting assembly (30) is located at a corner of the bearing frame (10), the second connecting assembly (40) and the first connecting assembly (30) are located at different corners; the second connecting assembly (40) comprises a second fastener (41) and a stop pin; the second fastener (41) passes through the adjusting frame (20) and is screwed with the bearing frame (10), for limiting the movement of the adjusting frame (20) in the thickness direction of the bearing frame (10) relative to the bearing frame (10); the first spherical surface (101) is provided with a mounting hole (12), the mounting hole (12) penetrates the bearing frame (10) in a direction perpendicular to the thickness direction of the bearing frame (10), and the stop pin can extend into the center hole of the bearing frame (10) to abut against the spherical surface (201), for limiting the rotation of the adjusting frame (20) relative to the bearing frame (10).

11. The adjustment device of claim 10, wherein, The bearing frame (10) has a polygonal outer contour, the corner of the bearing frame (10) connected with the second connecting assembly (40) is provided with a chamfer (11), and the mounting hole (12) penetrates the chamfer (11) and the first spherical surface (101).

12. The adjustment device of claim 10, wherein, The number of the first connecting assembly (30) is two, and the two first connecting assemblies (30) are located at two adjacent corners of the bearing frame (10); the number of the second connecting assembly (40) is two, and the two second connecting assemblies (40) are located at the other two corners of the bearing frame (10) without the first connecting assembly (30).

13. The adjustment device according to any one of claims 2-5, characterized in that, The orthographic projection of the second frame (22) on the bearing frame (10) is within the bearing frame (10).

14. The adjustment device according to any one of claims 1-5, characterized in that, The optical element is detachably fixedly connected with the adjusting frame (20); and / or, the optical element is a target or an optical lens.

15. An optical element testing apparatus characterized by comprising: The adjusting device according to any one of claims 1-11. The adjusting device according to any one of claims 1-11.

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