Precise positioning needle plate structural member
By designing a precise positioning needle plate structure, the problem of inaccurate positioning of fiber optic accessory robots in complex electromagnetic environments was solved, achieving high-precision workpiece positioning and roundness requirements, and ensuring the stability of wired communication.
Patent Information
- Application Number
- CN202422965091.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing fiber optic component robots struggle to achieve precise positioning when roundness requirements are high, leading to unstable wired communication in complex electromagnetic environments.
A precision positioning needle plate structure was designed, including a needle plate body, an annular groove, positioning pins, an annular protrusion, and a frame structure. By installing positioning pins at equal intervals and a first through hole penetrating the annular protrusion, combined with the protrusion and groove structure of the frame, high-precision positioning and roundness assurance are achieved.
It achieves high-precision positioning and roundness requirements, ensuring the flatness and roundness of the workpiece, and is suitable for stable wired communication in complex electromagnetic environments.
Smart Images

Figure CN223493296U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of needle plate structural components, specifically a precision positioning needle plate structural component. Background Technology
[0002] With the advancement of science and technology, mobile robots are being used more and more widely. Robot communication methods include wireless and wired communication, with wireless communication being the most common. However, wired communication is still necessary in complex electromagnetic environments such as underwater, in the field, and underground in mines. Fiber optic communication, as a wired communication method with ultra-high speed, ultra-large capacity, and ultra-long distance transmission, is receiving increasing attention and adoption.
[0003] Existing fiber optic accessory robots have high requirements for roundness. To address this, we propose a precision positioning pin plate structure. Utility Model Content
[0004] The purpose of this invention is to provide a precision positioning needle plate structure to solve the problems in the prior art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a precision positioning needle plate structure, comprising a needle plate body, an annular groove on one side of the middle portion of the needle plate body, a plurality of first through holes equally spaced at the annular groove on the needle plate body, and a plurality of positioning pins equally spaced at the annular groove on the needle plate body; an annular protrusion on the other side of the middle portion of the needle plate body, through which the first through holes pass; a frame is provided on the outside of the needle plate body, the height of the needle plate body being lower than the height of the frame, and a protrusion provided on the frame at the needle plate body; first grooves are provided on both the front and rear sides of the frame, and a second groove and a third groove are provided on one side of the frame, with a side screw hole provided at the third groove of the frame.
[0006] Preferably, multiple second through holes are provided on both the left and right sides of the frame, and strip-shaped holes are provided on both the left and right sides of the frame.
[0007] Preferably, the top of the left and right sides of the frame is provided with external protrusions.
[0008] Preferably, the needle plate body and the frame are an integral structure.
[0009] Compared with the prior art, the beneficial effects of this utility model are:
[0010] 1. The needle plate body 1 has multiple positioning pins 5 evenly spaced at the annular groove 3; an annular protrusion 14 is provided on the other side of the middle of the needle plate body 1, and the first through hole 4 passes through the annular protrusion 14, which not only provides good positioning but also ensures the roundness of the needle plate body. The height of the needle plate body 1 is lower than the height of the frame 6, and the frame 6 is provided with a protrusion 2 at the needle plate body 1, which provides good positioning; the overall flatness of the workpiece is required to be 0.02mm, the roundness is required to be 0.005mm, and the installation position of the central column is required to be tightly connected with the high-precision bearing. Attached Figure Description
[0011] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a utility model Figure 1 A structural diagram from the bottom view;
[0014] Figure 3 This is a utility model Figure 1 Top view;
[0015] Figure 4 This is a utility model Figure 1 A bottom view.
[0016] In the diagram: 1. Needle plate body; 2. Protrusion; 3. Annular groove; 4. First through hole; 5. Positioning pin; 6. Frame; 7. First groove; 8. Second groove; 9. Side screw hole; 10. Second through hole; 11. Strip hole; 12. External protrusion; 13. Third groove; 14. Annular protrusion. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.
[0018] Please see Figure 1-4In this embodiment of the present invention, a precision positioning needle plate structure includes a needle plate body 1. An annular groove 3 is provided on one side of the middle portion of the needle plate body 1. A plurality of first through holes 4 are provided at equal intervals at the annular groove 3 on the needle plate body 1. A plurality of positioning pins 5 are installed at equal intervals at the annular groove 3 on the needle plate body 1. An annular protrusion 14 is provided on the other side of the middle portion of the needle plate body 1. The first through holes 4 penetrate the annular protrusion 14, which not only provides good positioning but also ensures the roundness of the needle plate body.
[0019] The needle plate body 1 is provided with a frame 6 on the outside. The needle plate body 1 and the frame 6 are an integral structure. The height of the needle plate body 1 is lower than the height of the frame 6. The frame 6 is provided with a protrusion 2 at the needle plate body 1. The protrusion 2 plays a good positioning role.
[0020] The frame 6 has a first groove 7 on both the front and rear sides, and a second groove 8 and a third groove 13 on one side. The frame 6 has a side screw hole 9 at the third groove 13, which facilitates the installation of components.
[0021] Multiple second through holes 10 are provided on both the left and right sides of the frame 6, and strip holes 11 are provided on both the left and right sides of the frame 6; external protrusions 12 are provided on the top of the left and right sides of the frame 6, which play a good positioning role.
[0022] The working principle of this utility model is as follows: Multiple positioning pins 5 are evenly spaced and installed at the annular groove 3 on the needle plate body 1; an annular protrusion 14 is provided on the other side of the middle of the needle plate body 1, and a first through hole 4 passes through the annular protrusion 14, which provides good positioning while ensuring the roundness of the needle plate body. The height of the needle plate body 1 is lower than the height of the frame 6, and a protrusion 2 is provided on the frame 6 at the needle plate body 1, which provides good positioning; the overall flatness requirement of the workpiece is 0.02mm, the roundness requirement is 0.005mm, and the installation position of the central column is required to be tightly integrated with the high-precision bearing, making it one of the important reference parts of the entire product's mechanism.
[0023] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A precision positioning needle plate structure, comprising a needle plate body (1), characterized in that: The needle plate body (1) has an annular groove (3) on one side of the middle part. The needle plate body (1) has multiple first through holes (4) at equal intervals at the annular groove (3). The needle plate body (1) has multiple positioning pins (5) at equal intervals at the annular groove (3). An annular protrusion (14) is provided on the other side of the middle part of the needle plate body (1), and the first through hole (4) passes through the annular protrusion (14); The needle plate body (1) is provided with a frame (6) on its outside. The height of the needle plate body (1) is lower than the height of the frame (6). The frame (6) is provided with a protrusion (2) at the needle plate body (1). The front and rear sides of the frame (6) are provided with a first groove (7), and a second groove (8) and a third groove (13) are provided on one side of the frame (6). The frame (6) is provided with a side screw hole (9) at the third groove (13).
2. The precision positioning pin plate structure according to claim 1, characterized in that: Multiple second through holes (10) are provided on both the left and right sides of the frame (6), and strip holes (11) are provided on both the left and right sides of the frame (6).
3. The precision positioning needle plate structure according to claim 1, characterized in that: The top of the left and right sides of the frame (6) is provided with external protrusions (12).
4. The precision positioning needle plate structure according to claim 1, characterized in that: The needle plate body (1) and the frame (6) are an integral structure.