High-precision rotating arm position feedback device

Abstract

The utility model relates to the technical field of mechanical arms, and discloses a high-precision rotating arm position feedback device which comprises a fixed sleeve, one side of the fixed sleeve is rotationally connected with a plurality of fixed seats, a cavity is formed in the fixed sleeve, and detection devices penetrate through the two sides of the middle of the fixed sleeve. The rotary arm has the advantages that position data of the rotary arm are accurately fed back through the detection device and the feedback device, and the problem that the accurate position data of an existing rotary arm cannot be accurately fed back in the rotating process is solved; the problem that the use effect and the reliability of the rotating arm are directly affected due to the fact that the rotating arm cannot meet the expected precision requirement when executing a task is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a high-precision rotating arm position feedback device. Background Art

[0002] A robot is an intelligent machine that can work semi-autonomously or fully autonomously. A robot can perform tasks such as work or movement through programming and automatic control. A rotary arm is a common robot structure that consists of a rotary joint that can perform rotational movement in the horizontal or vertical direction.

[0003] The existing rotating arm cannot accurately feedback its accurate position data during the rotation process, which may easily lead to the rotating arm failing to achieve the expected accuracy requirements when performing tasks, which will directly affect its use effect and reliability. Utility Model Content

[0004] In order to solve the above-mentioned problems, the utility model provides a high-precision rotating arm position feedback device, which avoids the problem that the existing rotating arm cannot accurately feedback its accurate position data during the rotation process, which easily leads to the rotating arm failing to achieve the expected accuracy requirements when performing tasks, which will directly affect its use effect and reliability.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a high-precision rotating arm position feedback device, comprising a fixed sleeve, one side of the fixed sleeve is rotatably connected to a plurality of fixed seats, a cavity is arranged inside the fixed sleeve, both sides of the middle of the fixed sleeve are penetrated by a detection device, and one side of the detection device is provided with a feedback device;

[0006] The detection device comprises a screw rod penetrating a fixed sleeve, the lower end of the screw rod is rotatably connected to a rotating column, the lower side of the rotating column is fixedly connected to a fixed plate, and both ends of the fixed plate away from the rotating column are provided with position sensors.

[0007] As an improvement, a threaded hole is provided on one side of the fixing sleeve close to the screw rod, and the fixing sleeve is threadedly connected to the screw rod.

[0008] As an improvement, the fixing plate is configured to be semicircular.

[0009] As an improvement, a through hole is provided in the middle of the fixing seat.

[0010] As an improvement, four grooves are provided on one side of the fixing sleeve close to the fixing seat.

[0011] As an improvement, the feedback device includes an encoder fixed inside the fixed plate, one side of the encoder is connected to a data transmission line, and the end of the data transmission line away from the encoder is connected to a display.

[0012] The advantage of the utility model over the prior art is that the position data of the rotating arm is accurately fed back through the detection device and the feedback device, thereby avoiding the problem that the existing rotating arm is unable to accurately feed back its accurate position data during the rotation process, which easily leads to the rotating arm being unable to achieve the expected accuracy requirements when performing tasks, which will directly affect its use effect and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall structural front view of the utility model.

[0014] Figure 2 It is a side view of the overall structure of the utility model.

[0015] As shown in the figure: 1. Fixed sleeve; 2. Fixed seat; 3. Detection device; 301. Screw; 302. Rotating column; 303. Fixed plate; 304. Position sensor; 4. Feedback device; 401. Display; 402. Data transmission line; 403. Encoder. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] In the specific implementation of the utility model, Figure 1 to Figure 2 A high-precision rotating arm position feedback device comprises a fixed sleeve 1, one side of the fixed sleeve 1 is rotatably connected to a plurality of fixed seats 2, a through hole is arranged in the middle of the fixed seat 2, four grooves are arranged on the side of the fixed sleeve 1 close to the fixed seat 2, a cavity is arranged inside the fixed sleeve 1, both sides of the middle of the fixed sleeve 1 are penetrated by a detection device 3, and a feedback device 4 is arranged on one side of the detection device 3;

[0018] During the implementation of the utility model, the fixed sleeve 1 is sleeved on the outside of the rotating arm, the fixing seat 2 is fixed at a specified position by bolts, the position of the rotating arm is detected by the detection device 3, and the movement position data of the rotating arm is fed back by the feedback device 4.

[0019] The detection device 3 includes a screw 301 penetrating the fixed sleeve 1, a threaded hole is provided on the side of the fixed sleeve 1 close to the screw 301, the fixed sleeve 1 is threadedly connected to the screw 301, the lower end of the screw 301 is rotatably connected to a rotating column 302, the lower side of the rotating column 302 is fixedly connected to a fixed plate 303, the fixed plate 303 is configured as a semicircle, and position sensors 304 are provided at both ends of the fixed plate 303 away from the rotating column 302;

[0020] During the implementation of the utility model, the screw rod 301 is rotated so that the fixing plate 303 clamps the rotating arm. When the rotating arm rotates, the position data of the rotation is measured by the position sensor 304 .

[0021] The feedback device 4 includes an encoder 403 fixed inside the fixed plate 303, one side of the encoder 403 is connected to a data transmission line 402, and the end of the data transmission line 402 away from the encoder 403 is connected to a display 401;

[0022] During the implementation of the present invention, the number of rotations of the rotating arm is measured by the encoder 403 , and the data is transmitted to the display 401 for feedback via the data transmission line 402 .

[0023] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A high-precision rotary arm position feedback device, characterized in that: It comprises a fixed sleeve (1), one side of the fixed sleeve (1) is rotatably connected to a plurality of fixed seats (2), a cavity is provided inside the fixed sleeve (1), both sides of the middle of the fixed sleeve (1) are penetrated by a detection device (3), and one side of the detection device (3) is provided with a feedback device (4); The detection device (3) comprises a screw rod (301) penetrating a fixed sleeve (1); the lower end of the screw rod (301) is rotatably connected to a rotating column (302); the lower side of the rotating column (302) is fixedly connected to a fixed plate (303); and position sensors (304) are provided at both ends of the fixed plate (303) away from the rotating column (302).

2. A high-precision rotary arm position feedback device according to claim 1, characterized in that: A threaded hole is provided on one side of the fixing sleeve (1) close to the screw rod (301), and the fixing sleeve (1) is threadedly connected to the screw rod (301).

3. A high-precision rotary arm position feedback device according to claim 1, characterized in that: The fixing plate (303) is configured in a semicircular shape.

4. A high-precision rotary arm position feedback device according to claim 1, characterized in that: A through hole is provided in the middle of the fixing seat (2).

5. The high-precision rotary arm position feedback device according to claim 1, characterized in that: The fixing sleeve (1) is provided with four grooves on one side close to the fixing seat (2).

6. A high-precision rotary arm position feedback device according to claim 1, characterized in that: The feedback device (4) comprises an encoder (403) fixed inside a fixed plate (303), one side of the encoder (403) is connected to a data transmission line (402), and the end of the data transmission line (402) away from the encoder (403) is connected to a display (401).

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