Rotary guiding mechanism capable of accurately positioning
By introducing a servo motor with a braking structure and a rotating platform into the guide arm, combined with the origin positioning of photoelectric sensors, the problem of inaccurate rotation of the guide arm in the prior art is solved, and the precise positioning and stable rotation of the guide arm are achieved.
Patent Information
- Application Number
- CN202520035684.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing automatic rotating guide devices lack a braking structure, making them susceptible to external factors when the guide arm finishes rotating, thus reducing the accuracy of guidance.
A servo motor with a braking structure drives the guide arm to rotate, and the guide arm is precisely positioned by the cooperation of the rotating platform and the fixed shaft. Combined with photoelectric sensors to identify the origin positioning sensor, the rotation accuracy is ensured.
It improves the positioning accuracy and rotational stability of the guide arm, prevents the guide arm from moving after rotation, and enhances the accuracy of the guiding device.
Smart Images
Figure CN223660693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotating guide mechanism technical field, concretely is a kind of rotating guide mechanism of accurate positioning. BACKGROUND
[0002] Guide device is the common tool for passerby in amusement park, shopping mall and street, guide device is to improve the convenience of use and all adopt automatic rotating guide arm, but in prior art, the guide arm of automatic rotation is directly driven to rotate by servo motor, there is no brake structure on traditional servo motor, accurate positioning cannot be carried out to guide arm, and guide arm is easily moved after rotation, the accuracy of guide arm is reduced.For this reason, a kind of rotating guide mechanism of accurate positioning is presented. SUMMARY
[0003] The utility model aims at solving above problem and provides a kind of rotating guide mechanism of accurate positioning.
[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of rotating guide mechanism of accurate positioning, including center shaft and a plurality of guide arms rotatably installed on center shaft;Its characterized in that the guide arm is all installed with the rotation platform of reducing rotation speed, improving the stability of guide arm rotation and the servo motor with brake structure being connected with rotation platform and accurately positioning guide arm;The rotation platform is also provided with fixed shaft for driving guide arm rotation by connecting piece.
[0005] As preferred, the rotation platform includes a support frame installed in the guide arm and a rotating table rotatably installed on the support frame.
[0006] As preferred, the rotating table is provided with an origin positioning sensing sheet, and the support frame is provided with a photoelectric sensor for identifying the origin positioning sensing sheet.
[0007] As preferred, the guide arm is also provided with a bearing seat, and the bearing seat is provided with a bearing for fixing the center shaft.
[0008] As preferred, the center shaft and the fixed shaft are both provided with a flange ring connected with the rotation platform.
[0009] As preferred, the center shaft is a hollow structure, and the center shaft and the fixed shaft are both provided with a wire passage for facilitating wire passage inside the guide arm.
[0010] As preferred, the guide arm is provided with a liquid crystal display on both sides.
[0011] The utility model discloses a beneficial effect: through using the servo motor with brake structure drives the rotation of guide arm, improves the positioning accuracy of guide arm, prevents the movement of subsequent guide arm.
[0012] Through servo motor drives the rotation of rotating platform, rotating platform drives fixed shaft and central shaft rotation, and then drives guide arm to rotate, can reduce the speed of guide arm rotation, improves the stability of rotation. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is the structure schematic diagram of the utility model.
[0014] Fig. 2 It is the structure schematic diagram of the utility model local structure.
[0015] Fig. 3 It is the structure schematic diagram of the utility model central shaft and fixed shaft.
[0016] Legend: 1, central shaft;101, flange ring;2, guide arm;201, liquid crystal display;3, rotating platform;301, support frame;302, rotating table;303, origin positioning inductive sheet;304, photoelectric sensor;4, servo motor;5, bearing seat;501, bearing;6, fixed shaft;601, wire port. DETAILED DESCRIPTION
[0017] Below we combine the drawing to the rotation guide mechanism of accurate positioning of the utility model do further's explanation.
[0018] It needs to be explained that, all directionality of the utility model embodiment instruction such as above, below, left, right, front, back …… is only used to explain in a certain specific posture such as the relative position relationship, movement condition etc. between each component in the drawing, if the specific posture changes, then the directionality instruction also changes accordingly.
[0019] Refer to the drawing Figs. 1-3As shown in the figure, the rotatable guiding mechanism of the embodiment includes a central shaft 1 and a plurality of guiding arms 2 rotatably mounted on the central shaft 1; characterized in that the guiding arm 2 is internally mounted with a rotating platform 3 for reducing the rotating speed and improving the rotating stability of the guiding arm 2, and a servo motor 4 connected with the rotating platform 3 and having a brake structure for accurately positioning the guiding arm 2; the rotating platform 3 is further mounted with a fixed shaft 6 for driving the guiding arm 2 to rotate through a connecting piece; the servo motor 4 with the brake structure is used to drive the guiding arm 2 to rotate, thereby improving the positioning accuracy of the guiding arm 2 and preventing the subsequent guiding arm 2 from moving; the servo motor 4 drives the rotating platform 3 to rotate, the rotating platform 3 drives the fixed shaft 6 and the central shaft 1 to rotate, and then drives the guiding arm 2 to rotate, thereby reducing the rotating speed of the guiding arm 2 and improving the rotating stability.
[0020] Referring to the accompanying Figs. 2-3 As shown in the figure, the rotating platform 3 includes a support frame 301 mounted in the guiding arm 2 and a rotating table 302 rotatably mounted on the support frame 301; the rotating table 302 is mounted with an original point positioning inductive sheet 303; the support frame 301 is mounted with a photoelectric sensor 304 for identifying the original point positioning inductive sheet 303; the photoelectric sensor 304 is used to identify the original point positioning inductive sheet 303, so that the rotating table 302 returns to the original point first and then rotates at each rotating angle, thereby improving the rotating accuracy of the rotating table 302 and the rotating accuracy of the guiding arm 2.
[0021] Referring to the accompanying Figs. 1-3 As shown in the figure, the guiding arm 2 is further internally mounted with a bearing seat 5; the bearing seat 5 is mounted with a bearing 501 for fixing the central shaft 1; the central shaft 1 and the fixed shaft 6 are both provided with a flange ring 101 connected with the rotating platform 3; the central shaft 1 is of a hollow structure; the central shaft 1 and the fixed shaft 6 are both provided with a wire passing port 601 for facilitating the internal wire passing of the guiding arm 2; the guiding arm 2 is double-faced mounted with a liquid crystal display screen 201 capable of simultaneously displaying a plurality of information. The central shaft 1 is of a hollow structure, and the central shaft 1 and the fixed shaft 6 are both provided with the wire passing port 601, thereby facilitating the passing of the cable and network cable connected with the liquid crystal display screen 201 on the guiding arm; the liquid crystal display screen 201 is double-faced mounted on the guiding arm, thereby facilitating the simultaneous display of a plurality of information and improving the convenience.
[0022] In the use process of the application, the servo motor 4 in the lower guide arm 2 drives the rotating table 302 on the rotating platform 3 to rotate, and then the rotating speed of the servo motor 4 is reduced, then the rotating table 302 drives the central shaft 1 to rotate, the central shaft 1 drives the guide arm 2 to rotate through the connecting piece, the servo motor 4 in the upper guide arm drives the rotating table 302 on the rotating platform 3 to rotate, the rotating table 302 drives the fixed shaft 6 to rotate along the central shaft 1, the fixed shaft 6 drives the guide arm 2 to rotate through the connecting piece, and the brake structure on the servo motor 4 can be used for accurately positioning the guide arm 2; when it is needed to rotate other angles, the servo motor 4 drives the guide arm 2 to rotate to make the photoelectric sensor 304 identify the original point positioning sensing sheet 303, the guide arm 2 is rotated to the original point, and then the guide arm 2 is continuously rotated according to the rotating angle.
[0023] The above examples are used to illustrate the application, but not to limit the application, and any simple transformation of the application also belongs to the protection scope of the application.
Claims
1. A precisely positionable rotary indexing mechanism comprising a central shaft (1) and a plurality of indexing arms (2) rotatably mounted on the central shaft (1); characterized in that The guiding arm (2) is internally provided with a rotating platform (3) for reducing rotating speed and improving rotating stability of the guiding arm (2), and a servo motor (4) connected with the rotating platform (3) and provided with a brake structure for accurately positioning the guiding arm (2); the rotating platform (3) is further provided with a fixed shaft (6) for driving the guiding arm (2) to rotate through a connecting piece.
2. The precision positionable rotary indexing mechanism of claim 1, wherein: The rotating platform (3) comprises a supporting frame (301) installed in the guiding arm (2) and a rotating table (302) rotatably installed on the supporting frame (301).
3. A precisely positionable rotary indexing mechanism according to claim 2, wherein: The rotating table (302) is provided with an original point positioning induction sheet (303); the supporting frame (301) is provided with a photoelectric sensor (304) for identifying the original point positioning induction sheet (303).
4. The precision positionable rotary indexing mechanism of claim 1, wherein: The guiding arm (2) is further internally provided with a bearing seat (5); the bearing seat (5) is provided with a bearing (501) for fixing the central shaft (1).
5. The precision positionable rotary indexing mechanism of claim 1, wherein: The central shaft (1) and the fixed shaft (6) are both provided with a flange ring (101) connected with the rotating platform (3).
6. A precisely positionable rotary indexing mechanism according to claim 5, wherein: The central shaft (1) is of a hollow structure; the central shaft (1) and the fixed shaft (6) are both provided with wire passing ports (601) for facilitating wire passing in the guiding arm (2).
7. The precision positionable rotary indexing mechanism of claim 1, wherein: The guiding arm (2) is double-facedly provided with a liquid crystal display screen (201) capable of simultaneously displaying multiple information.