WO2023028733A1

WO2023028733A1 - Mechanical arm rotating structure of machine tool

Info

Publication number: WO2023028733A1
Application number: PCT/CN2021/115240
Authority: WO
Inventors: 叶建根; 张超
Original assignee: 苏州群志机械设备有限公司
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2023-03-09

Abstract

A mechanical arm rotating structure of a machine tool, relating to the technical field of mechanical arms of machine tools, and aiming to solve the problem of potential safety hazards due to the fact that it is difficult for a user to measure the number of rotations of an existing mechanical arm rotating structure of a machine tool during rotation, causing the mechanical arm rotating structure to be easily worn under long-term rotation. A mounting member (15) is provided at one end of a mechanical arm body (9); an elbow rotating mechanism (7) is provided at one end of the mounting member (15); a transmission rod (13) is provided in the middle of the elbow rotating mechanism (7); an infrared generator (16) is provided on the outer wall of the transmission rod (13); an infrared receiver (18) is provided on the inner wall of the mounting member (15); a counter (19) is provided at an output end of the infrared receiver (18), and is electrically connected to the infrared receiver (18); a single chip microcomputer (20) is provided at an output end of the counter (19), and the counter (19) is electrically connected to the single chip microcomputer (20); and an alarm reminder (22) is provided at an output end of the single chip microcomputer (20), and is electrically connected to the single chip microcomputer (20).

Description

A rotary structure of a mechanical arm of a machine tool

technical field

The invention relates to the technical field of machine tool mechanical arms, in particular to a rotary structure of a machine tool mechanical arm.

Background technique

A machine tool refers to a machine that manufactures a machine, also known as a machine tool or a machine tool. It is customarily referred to as a machine tool. The robotic arm refers to a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity, and strong coupling. Because of its unique operational flexibility, it has been widely used in industrial assembly, safety explosion-proof and other fields.

However, it is difficult for the user to detect the number of rotations during the rotation of the existing mechanical arm rotation structure of the machine tool, which causes the rotation structure of the mechanical arm to be easily worn out under long-term rotation, causing potential safety hazards; therefore, it does not meet the existing needs. Therefore, we propose a rotary structure of the mechanical arm of a machine tool.

Contents of the invention

The purpose of the present invention is to provide a rotary structure of the mechanical arm of a machine tool to solve the problem that the user is difficult to detect the number of rotations during the rotation of the existing rotary structure of the mechanical arm of the machine tool proposed in the above-mentioned background technology, which causes the rotary structure of the mechanical arm to be easily damaged in the long-term. Wear and tear under rotation, causing the problem of potential safety hazard.

In order to achieve the above object, the present invention provides the following technical solutions: a rotary structure of a mechanical arm of a machine tool, including a mechanical arm body, one end of the mechanical arm body is provided with a mounting part, and one end of the mounting part is provided with an elbow mechanism, so The middle position of the toggle mechanism is provided with a transmission rod, the outer wall of the transmission rod is provided with an infrared generator, the inner wall of the mounting part is provided with an infrared receiver, and the output end of the infrared receiver is provided with a counter, and The counter is electrically connected with the infrared receiver, the output end of the counter is provided with a single-chip microcomputer, and the counter is electrically connected with the single-chip machine, the output end of the single-chip microcomputer is provided with an alarm reminder, and the alarm reminder is electrically connected with the single-chip machine.

Preferably, a rotation speed sensor is provided on one side of the infrared generator, and the output end of the rotation speed sensor is electrically connected to the single-chip electromechanical device.

Preferably, a drive motor is provided at one end of the drive rod, a coupling is provided between the drive rod and the mounting member, a drive controller is provided at the input end of the drive motor, and the input and output ends of the drive controller They are respectively electrically connected with the single chip microcomputer and the driving motor.

Preferably, the outer walls near both ends of the transmission rod are provided with fixed blocks, a mounting frame is provided under the fixed block, a shoulder rotation mechanism is provided below the mounting frame, and a placement frame is provided below the shoulder rotation mechanism .

Preferably, an electric turntable is arranged under the placement frame, and a bottom electric box is arranged under the electric turntable.

Preferably, the other end of the mechanical arm body is provided with a gripper, and one end of the gripper is provided with a gripper rotation mechanism.

Preferably, a support base is provided under the electric box at the bottom.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention detects the number of rotations by using an infrared generator and an infrared receiver. The infrared generator is installed on the transmission rod. When the transmission rod rotates, it follows and rotates together. After one rotation, it passes through the infrared ray. At the receiver, the infrared receiver receives a signal once, and uses the counter to count the number of times the signal is received. By counting, the number of rotations of the transmission rod can be known, and the number of rotations can be fed back to the microcontroller. When the number of rotations reaches a certain amount Finally, the alarm reminder is used to remind the user. The above structure can improve the detection effect at the rotary structure, enable the user to detect the number of rotations, avoid the wear phenomenon that occurs after long-term use, and thus solve unnecessary safety problems. Hidden danger.

2. The rotational speed sensor is used to detect the rotational speed at the transmission rod. Through the rotational speed detection, the adjustment and control of the rotation angle can be realized, which improves the control degree of the user when using it, and improves the accuracy of the rotation.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the partial structure of the toggle mechanism of the present invention;

Fig. 3 is a schematic diagram of the present invention;

In the figure: 1. Bottom electric box; 2. Electric turntable; 3. Placement frame; 4. Shoulder rotation mechanism; 5. Mounting frame; 6. Fixed block; 7. Elbow rotation mechanism; Body; 10. Gripper; 11. Gripper rotating mechanism; 12. Support base; 13. Transmission rod; 14. Coupling; 15. Mounting piece; 16. Infrared generator; 17. Speed sensor; 18. Infrared receiver 19, counter; 20, single-chip microcomputer; 21, drive controller; 22, alarm reminder.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Please refer to Figures 1-3, an embodiment provided by the present invention: a rotary structure of a machine tool mechanical arm, including a mechanical arm body 9, one end of the mechanical arm body 9 is provided with a mounting part 15, and one end of the mounting part 15 is provided with an elbow Turning mechanism 7, the middle position of elbow turning mechanism 7 is provided with transmission rod 13, and the outer wall of transmission rod 13 is provided with infrared generator 16, and the inner wall of mounting part 15 is provided with infrared receiver 18, and the output end of infrared receiver 18 is provided with There is a counter 19, and the counter 19 is electrically connected with the infrared receiver 18, the output end of the counter 19 is provided with a single-chip microcomputer 20, and the counter 19 is electrically connected with the single-chip microcomputer 20, the output end of the single-chip microcomputer 20 is provided with an alarm reminder 22, and the alarm The reminder 22 is electrically connected to the single-chip microcomputer 20 .

Further, one side of the infrared generator 16 is provided with a rotational speed sensor 17, and the output end of the rotational speed sensor 17 is electrically connected to the single-chip microcomputer 20, the rotational speed sensor 17 is used to detect the rotational speed at the transmission rod 13, and the rotational speed can be realized through the rotational speed detection. The adjustment and control of the rotation angle improves the user's degree of control during use and improves the accuracy of rotation. The model of the rotational speed sensor 17 is LIS3DHTR.

Further, one end of the transmission rod 13 is provided with a drive motor 8, a shaft coupling 14 is provided between the transmission rod 13 and the mount 15, the input end of the drive motor 8 is provided with a drive controller 21, and the input and output of the drive controller 21 ends are respectively electrically connected with the single-chip microcomputer 20 and the drive motor 8, the single-chip microcomputer 20 can control the drive controller 21, and the drive controller 21 controls the parameters of the drive motor 8 again, so that the drive motor 8 can drive the transmission rod 13 to rotate, improving the mechanical arm. Automatic intelligence when turning.

Further, transmission rod 13 is provided with fixed block 6 near the outer wall of two ends, and the below of fixed block 6 is provided with mounting frame 5, and the below of mounting frame 5 is provided with shoulder turning mechanism 4, and the below of shoulder turning mechanism 4 is provided with placement frame 3, The shoulder turning mechanism 4 is used to drive the object assembly above to rotate up and down.

Further, an electric turntable 2 is arranged below the placing frame 3, and a bottom electric box 1 is arranged under the electric turntable 2, and the electric turntable 2 is used to drive the upper object to rotate circularly, so that the rotation flexibility of the mechanical arm is improved.

Further, the other end of the mechanical arm body 9 is provided with a gripper 10, and one end of the gripper 10 is provided with a gripper rotation mechanism 11, the gripper 10 is used to grip an object, and the gripper rotation mechanism 11 is used to drive the gripper 10 to perform The rotation is adjusted up and down, so that the flexibility at the jaw 10 is also improved.

Further, a support base 12 is provided below the electric box 1 at the bottom, and the support base 12 is used to support the entire mechanical arm mechanism.

Working principle: When in use, the number of rotations is detected by using the infrared generator 16 and the infrared receiver 18. The infrared generator 16 is installed on the transmission rod 13. When the transmission rod 13 rotates, it will follow and rotate together. After one revolution, it passes through the infrared receiver 18. The infrared receiver 18 receives a signal, and uses the counter 19 to count the number of times the signal is received. By counting, the number of times the transmission rod 13 rotates can be known, and the number of times can be obtained later. Feedback to the single-chip microcomputer 20, when the number of rotations reaches a certain amount, the user is reminded by the alarm reminder 22, and the rotation speed sensor 17 is used to detect the rotation speed of the transmission rod 13, and the adjustment and control of the rotation angle can be realized through the detection of the rotation speed , which improves the user's degree of control when using it, and improves the accuracy of rotation.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

A rotary structure of a mechanical arm of a machine tool, comprising a mechanical arm body (9), characterized in that: one end of the mechanical arm body (9) is provided with a mounting part (15), and one end of the mounting part (15) is provided with an elbow Turning mechanism (7), the intermediate position of described elbow turning mechanism (7) is provided with transmission rod (13), and the outer wall of described transmission rod (13) is provided with infrared generator (16), and described mounting part (15 ) is provided with an infrared receiver (18) on the inner wall, the output of the infrared receiver (18) is provided with a counter (19), and the counter (19) is electrically connected with the infrared receiver (18), and the counter ( The output end of 19) is provided with single-chip microcomputer (20), and counter (19) is electrically connected with single-chip microcomputer (20), and the output end of described single-chip microcomputer (20) is provided with alarm reminder (22), and alarm reminder (22 ) is electrically connected with the single chip microcomputer (20).
The rotary structure of a machine tool mechanical arm according to claim 1, characterized in that: one side of the infrared generator (16) is provided with a rotational speed sensor (17), and the output terminal of the rotational speed sensor (17) is connected to the single chip microcomputer ( 20) Electrical connection.
The rotary structure of the mechanical arm of a machine tool according to claim 1, characterized in that: one end of the transmission rod (13) is provided with a driving motor (8), and the connection between the transmission rod (13) and the mounting part (15) A shaft coupling (14) is arranged between, the input end of the drive motor (8) is provided with a drive controller (21), and the input and output ends of the drive controller (21) are respectively connected with the single-chip microcomputer (20) and the drive motor ( 8) Electrical connection.
The rotary structure of the mechanical arm of a machine tool according to claim 1, characterized in that: the outer wall of the transmission rod (13) near both ends is provided with a fixed block (6), and the lower part of the fixed block (6) is provided with a mounting A frame (5), a shoulder turning mechanism (4) is provided under the mounting frame (5), and a placement frame (3) is arranged under the shoulder turning mechanism (4).
The rotary structure of the mechanical arm of a machine tool according to claim 4, characterized in that: an electric turntable (2) is arranged under the placement frame (3), and a bottom electric box is arranged under the electric turntable (2) (1).
The rotary structure of the mechanical arm of a machine tool according to claim 1, characterized in that: the other end of the mechanical arm body (9) is provided with a jaw (10), and one end of the jaw (10) is provided with a clamp Claw turning mechanism (11).
The rotary structure of the mechanical arm of a machine tool according to claim 5, characterized in that: a supporting base (12) is provided under the electric box (1) at the bottom.