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Mechanical arm end effector and control method thereof, mechanical arm and memory

A technology of end effector and control method, which is applied in the field of robotics, and can solve the problems of target object damage, contact, and the inability of the jaws of the mechanical arm to grip the target object, etc.

Pending Publication Date: 2021-04-09
SHENZHEN YUEJIANG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, during the process of gripping the target with the jaws of the robotic arm, the two clamping parts may contact the target successively
In this case, if the target is fixed at the grasping position, the clamping part that first contacts the target will generate a rigid force on it, causing damage to the target; if the target is not fixed at the grasping position, If it is placed directly on the grasping position, the clamping part that first comes into contact with the target will push the target to other areas that deviate from the grasping position, resulting in the failure of the grippers of the robotic arm to grasp the target, because the target location has changed

Method used

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  • Mechanical arm end effector and control method thereof, mechanical arm and memory
  • Mechanical arm end effector and control method thereof, mechanical arm and memory
  • Mechanical arm end effector and control method thereof, mechanical arm and memory

Examples

Experimental program
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Effect test

Embodiment 1

[0053] An embodiment of the present invention proposes a mechanical arm end effector, see figure 1 , the end effector of the robotic arm includes:

[0054] detection circuit;

[0055] at least two jaws 10;

[0056] At least two electrodes 20, the at least two electrodes 20 are respectively arranged inside the at least two jaws 10, and the at least two electrodes 20 are respectively electrically connected to the detection circuit;

[0057] Among them, the electrode 20 can form a capacitance with an adjacent conductor, and transmit the electrical signal used to represent the capacitance or its variation to the detection circuit, and the detection circuit is used to convert the electrical signal representing the capacitance or its variation into a capacitance value or its value. A variable electrical signal.

[0058]The main function of the end effector of the mechanical arm proposed in the embodiment of the present invention is to grab an item, which mainly includes at least ...

Embodiment 2

[0067] The end effector of the robotic arm proposed by the embodiment of the present invention further includes: a mounting base 30 on which at least two jaws 10 are disposed, and the mounting base 30 is used for connecting with the end of the mechanical arm. In this embodiment, the main function of the mounting base 30 is to install at least two jaws 10 and fix the at least two jaws 10 to the end of the mechanical arm, so as to drive the at least two jaws 10 to move through the end of the mechanical arm. The specific structure of the mounting seat 30 can be designed according to the actual situation, which is not limited in this embodiment, as long as it can realize the above two functions.

[0068] Specifically, after the mounting base 30 is fixed on the end of the mechanical arm, the mechanical arm drives at least two jaws 10 to move to the object to be grasped, and then the at least two jaws 10 clamp the object to be grasped. After grabbing the item, the mechanical arm dri...

Embodiment 3

[0072] The end effector of the robotic arm proposed by the embodiment of the present invention further includes: at least two pressure sensors, and the at least two pressure sensors are respectively arranged inside at least two jaws 10 . In this embodiment, when at least two jaws 10 are clamping the object to be grasped, if the distance between one of the jaws 10 and the conductor to be grasped is different from the distance between the other jaws 10 and the conductor, it is also possible to continue to control the The gripper 10 moves until it contacts the conductor to be grasped. When the gripper 10 contacts the conductor to be grasped, the pressure sensor installed inside the gripper 10 will detect this signal and send this signal to the control The controller controls the jaw 10 to stop moving according to the signal. Then, after other clamping jaws 10 are also in contact with the conductor to be grasped, the clamping jaw 10 is controlled to continue to move towards the co...

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PUM

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Abstract

The invention discloses a mechanical arm end effector. The mechanical arm end effector comprises: a detection circuit; at least two clamping jaws; and at least two electrodes, arranged on the inner sides of the at least two clamping jaws and electrically connected with the detection circuit respectively, wherein the electrodes and a close conductor can form capacitors, electric signals used for representing the capacitors or the variable quantities of the capacitors are transmitted to the detection circuit, and the detection circuit is used for converting the electric signals representing the capacitors or the variable quantities of the capacitors into electric signals representing capacitance values or the variable quantities of the capacitance values. According to the mechanical arm end effector, the distance between each clamping jaw and the conductor to be grabbed can be monitored in real time through the at least two electrodes on the inner sides of the at least two clamping jaws, and synchronous or asynchronous movement of the at least two clamping jaws is controlled according to the distance between each clamping jaw and the conductor to be grabbed, so that the distance between each clamping jaw and the conductor to be grabbed is kept consistent all the time, and it is guaranteed that the at least two clamping jaws clamp the conductor to be grabbed at the same time.

Description

technical field [0001] The invention relates to the field of robots, in particular to a mechanical arm end effector, a control method thereof, a mechanical arm and a memory. Background technique [0002] The gripper of the robotic arm is usually set at the end of the robotic arm, which can grab the target and then transfer it to a designated position through the robotic arm to realize the transfer of the target. [0003] When using the gripper of the robotic arm to grab the target, first control the gripper of the robotic arm to open, and then control the gripper of the robotic arm to move toward the target. After the gripper of the robotic arm moves to the position of the target, the gripper of the robotic arm moves toward The target gradually shrinks so that the grippers are clamped on both sides of the target, and finally the grippers of the robotic arm are controlled to transfer the target to the designated position. [0004] However, during the process of gripping the ...

Claims

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Application Information

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IPC IPC(8): B25J15/00B25J19/02B25J9/16
CPCB25J15/00B25J19/02B25J9/1612
Inventor 黄睿郎需林刘主福刘培超
Owner SHENZHEN YUEJIANG TECH CO LTD
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