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Pneumatic soft hand grab

A pneumatic finger and software technology, which is applied in the direction of manipulators, chucks, manufacturing tools, etc., can solve the problems of unfavorable industrial popularization, high precision requirements, and damage to grasping objects, and achieve good finger bending effect, convenient and reliable control, and low cost. low effect

Active Publication Date: 2018-02-23
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the pneumatic grippers in the industrial assembly line are made of metal. When grasping fragile and rotten objects such as eggs, fruits and vegetables, it is easy to cause damage to the grasped objects.
Although some precision mechanical grippers can also grasp fragile and perishable objects without damage, they require extremely high precision in the control and sensing of the manipulator, which makes their cost extremely high, which is not conducive to industrial popularization

Method used

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Examples

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Embodiment Construction

[0028] The purpose of the present invention will be further described in detail through specific examples below, and other examples cannot be repeated here one by one, but the implementation mode of the present invention is not limited to the following examples.

[0029] Such as figure 1 As shown, a pneumatic software gripper includes a central air guide block 2 provided with several air guide holes, three flexible pneumatic finger units 1 evenly connected to the central air guide block 2, and the pneumatic finger unit 1 Hard rubber layer 4 is provided on the inner concave surface when inflated and deformed.

[0030] Such as figure 2 As shown, the pneumatic finger unit 1 includes a rubber shell 3, in which a number of deformation air chambers 5 are evenly spaced along the length direction, and the lower end of each deformation air chamber 5 passes through an air guide chamber 6 sealed at one end. It communicates with the air guide hole corresponding to the central air guide...

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Abstract

The invention discloses a pneumatic soft hand grab. The pneumatic soft hand grab comprises a central air guiding block provided with a plurality of air guiding holes and a plurality of flexible pneumatic finger units evenly arranged on the central air guiding block in a communicating mode. The inner concave face of each pneumatic finger unit in the inflating and deformation process is provided with a hard rubber layer. According to the pneumatic soft hand grab, compared with a metal pneumatic hand grab, the pneumatic soft hand grab is convenient and reliable to control, the structure is simple, and the cost is lower; the flexible characteristic of the pneumatic soft hand grab can well grab fragile and easy-to-break objects without being damaged and can further adapt to configuration structure characteristics of various grabbed objects, and the hand grab does not need to be replaced repeatedly because of changing of the configuration structures of the grabbed objects; and in addition, alayer of hard rubber is arranged on the lower portion of each pneumatic finger unit of the pneumatic soft hand grab, unnecessary swelling deformation can be prevented from being generated on the lower portion of the hand grab, and therefore a better finger bending effect is achieved.

Description

technical field [0001] The invention relates to a pneumatic software gripper, which can quickly grab fragile, rotten and irregular objects, thereby greatly improving work efficiency. Background technique [0002] At present, the pneumatic grippers in the industrial assembly line are made of metal, and when grasping fragile and rotten objects such as eggs, fruits and vegetables, it is easy to cause damage to the grasped objects. Although some precision mechanical grippers can also grasp fragile and perishable objects without damage, they require extremely high precision in the control and sensing of the manipulator, which makes their cost extremely high, which is not conducive to industrial popularization. [0003] This invention improves and innovates on this deficiency, and proposes the design of a pneumatic software gripper, which effectively reduces the manufacturing cost and maintenance cost while ensuring non-destructive grasping of fragile and perishable objects. Con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J15/00
CPCB25J15/0023
Inventor 王念峰葛宪东张宪民
Owner SOUTH CHINA UNIV OF TECH
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