High-repetition-precision positioning device

Abstract

The utility model relates to the technical field of positioning equipment, in particular to a high-repetition-precision positioning device. The positioning device is used for optical-mechanical assembly of a fluorescence microscopic imaging system, comprises a multi-degree-of-freedom adjusting mechanism, and further comprises a mounting seat arranged at the bottom of the multi-degree-of-freedom adjusting mechanism; the cam sleeve is embedded in the mounting seat; the connecting base is located at the bottom of the mounting base, a locking piece used for locking an element is arranged at the end, away from the mounting base, of the connecting base, and the element is an element in the optical machine; the positioning mechanism is positioned between the mounting seat and the connecting seat and is used for accurately positioning; and the locker main body penetrates through the connecting seat and is connected with the cam sleeve, and the locker main body is used for locking the connecting seat and the cam sleeve. The high-repeated-precision positioning device is simple in structure, high in repeated positioning precision, fast and convenient to operate, compact in structure, reliable in positioning and capable of saving positioning time.

Description

Technical Field

[0001] The present application relates to the technical field of positioning devices, and particularly to a high-repeatability positioning device. Background Art

[0002] Fluorescence microscopy imaging systems typically require the use of various types of optical and optoelectronic components: industrial cameras, tube lenses and objective lenses, filters with multiple bandwidths, diaphragms of multiple sizes, lenses for various purposes, focusing drive devices (voice coil motors or ceramic motors), LD light sources, LED light sources, etc.

[0003] In a fluorescence microscopy imaging system, the alignment accuracy of some components is very high. An effective way to achieve efficient assembly is to use a multi-degree-of-freedom adjustment device to mount these components, adjust them to the appropriate direction and position, and finally fix them by adhesive bonding. In this process, it is necessary to rely on an external device to determine whether the component to be adjusted is in the appropriate direction and position. Each assembly requires the component to be pre-positioned within an appropriate position range in advance to ensure normal and rapid adjustment.

[0004] In this way, the repeat positioning accuracy between the component and the multi-degree-of-freedom adjustment device becomes an important factor affecting the opto-mechanical assembly efficiency. Usually, in order to ensure high repeat positioning accuracy and reliable connection, complex structures and cumbersome operations are required. Summary of the Utility Model

[0005] Therefore, the present application provides a high-repeatability positioning device.

[0006] On the one hand, the present application provides a high-repeatability positioning device for the opto-mechanical assembly of a fluorescence microscopy imaging system, including a multi-degree-of-freedom adjustment mechanism, and further including: a mounting seat provided at the bottom of the multi-degree-of-freedom adjustment mechanism; a cam sleeve embedded in the mounting seat; a connecting seat located at the bottom of the mounting seat, and a locking member for locking the component is provided at one end of the connecting seat away from the mounting seat, and the component is a component in the opto-mechanical system; a positioning mechanism located between the mounting seat and the connecting seat for precise positioning; a locking device main body penetrating the connecting seat and connected to the cam sleeve, and the locking device main body is used to lock the connecting seat and the cam sleeve.

[0007] In some embodiments, the positioning mechanism includes a first positioning component and a second positioning component, and the first positioning component and the second positioning component are symmetrically provided in the mounting seat and the connecting seat.

[0008] In some embodiments, the first positioning component includes: a ball head seat provided in the mounting seat; a ball head pin provided in the connecting seat, and a fastener is provided in the threaded holes in the connecting seat and the mounting seat, and the fastener is used to press the ball head seat and the ball head pin.

[0009] In some embodiments, the second positioning component includes: a conical seat disposed within the mounting seat; a taper pin disposed within the connecting seat; and a fastener disposed within a threaded hole of the taper pin and the conical seat, the fastener being configured to press the taper pin and the conical seat together.

[0010] In some embodiments, there are two cam sleeves symmetrically disposed at both ends of the mounting seat.

[0011] In some embodiments, two through holes are provided on the connecting seat, the through holes are disposed corresponding to the cam sleeves, and the locking device body passes through the through holes and is connected to the cam sleeves.

[0012] In some embodiments, a fixing post is provided on the connecting seat, and the locking sleeve is sleeved on the fixing post.

[0013] In some embodiments, the fastener is a set screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 Structural schematic diagram of the high repeatability positioning device provided by the present application;

[0016] Figure 2 Structural schematic diagram of the mounting seat of the high repeatability positioning device provided by the present application;

[0017] Figure 3 Structural schematic diagram of the connecting seat of the high repeatability positioning device provided by the present application;

[0018] Figure 4 Exploded view of the high repeatability positioning device provided by the present application;

[0019] Figure 5 Cross-sectional view of the positioning structure of the high repeatability positioning device provided by the present application.

[0020] Description of the reference numerals:

[0021] 1. Multi-degree-of-freedom adjustment mechanism; 2. Mounting seat; 3. Cam sleeve; 4. Connecting seat; 5. Locking member; 6. Positioning mechanism; 7. Locking device body; 8. Ball head seat; 9. Ball head pin; 10. Fastener; 11. Conical seat; 12. Taper pin; 13. Through hole; 14. Fixing post. Detailed Implementation Modes

[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present disclosure. Therefore, the accompanying drawings and description are considered to be exemplary in nature rather than restrictive.

[0023] In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations to the present disclosure. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless otherwise specifically defined.

[0024] In the description of the present disclosure, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

[0025] In the present disclosure, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than that of the second feature.

[0026] The following disclosure provides many different embodiments or examples for implementing different structures of the present disclosure. To simplify the disclosure of the present disclosure, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present disclosure. In addition, the present disclosure may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present disclosure provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0027] The preferred embodiments of the present disclosure will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present disclosure and are not intended to limit the present disclosure.

[0028] Gene sequencing uses instruments to perform DNA sequencing on the genes of human samples, and predicts the risk of suffering from a certain disease through a comprehensive high-tech physical examination of genomics and clinical medicine, so as to take measures. Its principle is to analyze the base sequence of a specific DNA fragment and interpret the meanings and arrangement patterns of the four bases A, T, C, and G. With the continuous development of the precision medicine industry, gene sequencing technology has been increasingly valued by people. How to accurately improve the detection of base information has become the key to sequencing. At present, the sequencing technology used in our country is basically the second-generation high-throughput sequencing (NGS). In a fluorescence microscopy imaging system, the alignment accuracy requirements of some components are very high. An effective way to achieve efficient assembly is to use a multi-degree-of-freedom adjustment device to mount these components, adjust them to the appropriate direction and position, and finally fix them by adhesive bonding. In this process, it is necessary to rely on an external device to judge whether the component to be adjusted is in the appropriate direction and position. Each assembly requires the component to be pre-positioned within an appropriate position range in advance to ensure normal and rapid adjustment. Therefore, the mechanism for moving or assisting the assembly of the above-mentioned components to be assembled needs to have high precision, and in repeated cyclic work, it has high repeat positioning accuracy.

[0029] However, due to the relatively complex structure of the current positioning device with high repeat positioning accuracy, during assembly, the operation is too cumbersome, which increases the operation time and is not convenient to use. Moreover, due to the complexity and large volume of the positioning device, when disconnecting the connection with the component after transportation and assisting in installing the component, it is very easy to apply a large force to the already installed component (such as a component bonded by colloid), resulting in a change in the position of the installed component. This is obviously unacceptable in a system with high precision and requires re-adjusting and calibrating the component.

[0030] Please refer to Figures 1 to 5As shown in the figure, the present application provides a high-repeatability positioning device for the opto-mechanical assembly of a fluorescence microscopy system, which realizes the rapid disassembly and assembly of the opto-mechanical part and components of the fluorescence microscopy system, and ensures the accuracy of the repeated connection between the opto-mechanical part and multiple components.

[0031] The high-repeatability positioning device includes a multi-degree-of-freedom adjustment mechanism 1, and further includes: a mounting base 2 provided at the bottom of the multi-degree-of-freedom adjustment mechanism 1; a cam sleeve 3 embedded in the mounting base 2; a connecting seat 4 located at the bottom of the mounting base 2, and a locking member 5 for locking a component is provided at one end of the connecting seat 4 away from the mounting base 2, and the component is a component in the opto-mechanical part; a positioning mechanism 6 located between the mounting base 2 and the connecting seat 4 for accurately positioning the connecting seat 4 relative to the mounting base 2; a locking body 7 passing through the connecting seat 4 and connected to the cam sleeve 3, and the locking body 7 is used to cooperate with the cam sleeve 3 to lock the connecting seat 4 to the mounting base 2.

[0032] By providing the mounting base 2 at the bottom of the multi-degree-of-freedom adjustment mechanism 1, the mounting base 2 provides an installation position for the cam sleeve 3; at the same time, a connecting seat 4 is provided at the bottom of the mounting base 2, a locking member 5 is provided at one end of the connecting seat 4 away from the mounting base 2, and a component is provided at one end of the connecting seat 4 away from the mounting base 2, and the locking member 5 is used to lock the component; and a positioning mechanism 6 is provided between the mounting base 2 and the connecting seat 4. The setting of the positioning mechanism 6 can ensure the high-repeatability positioning of the connecting seat 4 and the mounting base 2, that is, ensure the connection accuracy between the connecting seat 4 and the mounting base 2. Then, the locking body 7 passes through the connecting seat 4 and is connected to the cam sleeve 3, that is, the locking body 7 locks the connecting seat 4 on the cam sleeve 3 of the mounting base 2 to ensure the connection between the connecting seat 4 and the mounting base 2, thereby realizing the high-repeatability positioning of the component by the high-repeatability positioning device.

[0033] The structure of the high-repeatability positioning device is relatively simple, achieving high-repeat positioning accuracy, quick operation, and being structurally compact, reliable in positioning, and saving positioning time. During actual use, first, the connecting seat 4 and the mounting base 2 are disassembled. After disassembly, the locking member 5 is loosened to remove the component from the connecting seat 4, thereby avoiding affecting the assembly accuracy of the component when directly disassembling the component from the high-repeatability positioning device.

[0034] In one embodiment, the locking body 7 and the cam sleeve 3 are a quick-release structure that cooperates with each other. By operating the locking device 7, the locking device 7 can be quickly locked or unlocked with the cam sleeve 3, and further, the connecting seat 4 can be quickly locked or unlocked with the mounting base 2.

[0035] In some alternative embodiments, the positioning mechanism 6 includes a first positioning component and a second positioning component, and the first positioning component and the second positioning component are symmetrically arranged in the mounting base 2 and the connecting base 4. That is, through the arrangement of the first positioning component and the second positioning component, double positioning of the mounting base 2 and the connecting base 4 can be achieved, thereby ensuring the positioning accuracy.

[0036] In some alternative embodiments, the first positioning component includes: a ball head seat 8, arranged in the mounting base 2, and a groove is provided in the ball head seat 8; a ball head pin 9, arranged in the connecting base 4, the ball head pin 9 is adapted to the shape of the groove in the ball head seat 8, and a fastener 10 is arranged in the threaded holes in the connecting base 4 and the mounting base 2, and the fastener 10 is used to press the ball head seat 8 and the ball head pin 9.

[0037] By providing threaded holes in the connecting base 4 and the mounting base 2, that is, the fastener 10 can be inserted into the threaded holes. Through the connection of the fastener 10 with the threaded holes in the connecting base 4 and the mounting base 2, the fastener 10 can be used to press the ball head pin 9 and the ball head seat 8 from both ends, making the connection between the ball head pin 9 and the ball head seat 8 more compact, thereby ensuring the precise positioning of the connecting base 4 and the mounting base 2.

[0038] In some alternative embodiments, the second positioning component includes: a tapered seat 11, arranged in the mounting base 2; a tapered head pin 12, arranged in the connecting base 4, and a fastener 10 is arranged in the threaded holes in the connecting base 4 and the mounting base 2, and the fastener 10 is used to press the tapered head pin 12 and the tapered seat 11.

[0039] That is, the tapered head pin 12 is inserted into the tapered seat 11. At the same time, the fastener 10 is arranged in the threaded holes of the connecting base 4 and the mounting base 2, and the fastener 10 is used to press the tapered head pin 12 and the tapered seat 11, thereby ensuring the precise positioning of the connecting base 4 and the mounting base 2.

[0040] Specifically, the fastener 10 is a set screw, and there are four fasteners.

[0041] In some alternative embodiments, there are two cam sleeves 3, symmetrically arranged at both ends of the mounting base 2. The arrangement of the two cam sleeves 3 can be connected to the two locking body 7s, and at the same time, the connection stability is ensured, and the eccentric situation is avoided.

[0042] Wherein, two through holes 13 are provided on the connecting base 4, and the through holes 13 are arranged corresponding to the cam sleeves 3. The locking body 7 passes through the through holes 13 and is connected to the cam sleeves 3. The arrangement of the through holes 13 facilitates the locking body 7 to pass through the through holes 13 and be connected to the cam sleeves 3, providing a through position for the locking body 7.

[0043] In some alternative embodiments, a fixing post 14 is provided on the connecting base 4, and the locking member 5 is sleeved on the fixing post 14. The provision of the fixing post 14 facilitates the installation of components on the fixing post 14, and then the locking member 5 is used to fix the components.

[0044] Obviously, the above embodiments are merely examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present application.

Claims

1. A high repeatability positioning device for optical and mechanical assembly of a fluorescence microscopy imaging system, comprising a multi-degree-of-freedom adjustment mechanism (1), characterized in that: Also includes: A mounting seat (2) disposed at the bottom of the multi-degree-of-freedom adjustment mechanism (1); A cam sleeve (3) is embedded in the mounting seat (2); A connecting seat (4) is located at the bottom of the mounting seat (2), and a locking piece (5) for locking an element is provided at one end of the connecting seat (4) away from the mounting seat (2), wherein the element is an element in the optical machine; A positioning mechanism (6), located between the mounting seat (2) and the connecting seat (4), for precise positioning; The locking device body (7) passes through the connecting seat (4) and is connected to the cam sleeve (3). The locking device body (7) is used to lock the connecting seat (4) and the cam sleeve (3).

2. The high repeatability positioning device according to claim 1, characterized in that: The positioning mechanism (6) comprises a first positioning component and a second positioning component, wherein the first positioning component and the second positioning component are symmetrically arranged in the mounting seat (2) and the connecting seat (4).

3. The high repeatability positioning device according to claim 2, characterized in that: The first positioning component comprises: A ball head seat (8) is arranged in the mounting seat (2); A ball stud (9) is disposed in the connecting seat (4), and a fastener (10) is disposed in threaded holes in the connecting seat (4) and the mounting seat (2). The fastener (10) is used to press the ball stud seat (8) and the ball stud (9) together.

4. The high repeatability positioning device according to claim 2, characterized in that: The second positioning component comprises: A conical seat (11) is arranged in the mounting seat (2); A cone head pin (12) is arranged in the connecting seat (4), and a fastener (10) is arranged in the threaded holes of the cone head pin (12) and the conical seat (11), and the fastener (10) is used to press the cone head pin (12) and the conical seat (11) together.

5. The high repeatability positioning device according to any one of claims 1 to 4, characterized in that: The cam sleeves (3) are provided in two pieces and are symmetrically arranged at two ends of the mounting seat (2).

6. The high repeatability positioning device according to claim 5, characterized in that: The connecting seat (4) is provided with two through holes (13), the through holes (13) are arranged corresponding to the cam sleeve (3), and the locking device body (7) passes through the through holes (13) and is connected to the cam sleeve (3).

7. The high repeatability positioning device according to claim 6, characterized in that: The connecting seat (4) is arranged on a fixing column (14), and the locking member (5) is sleeved on the fixing column (14).

8. The high repeatability positioning device according to claim 3, characterized in that: The fastener (10) is a set screw.

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