Pressure foot system for multifunctional automatic drilling and riveting end effector and working method

An end effector, automatic drilling and riveting technology, applied in the direction of manufacturing tools, metal processing equipment, drilling/drilling equipment, etc., to achieve the effect of optimizing the working environment, improving the efficiency of fine chips, and improving the efficiency of chip suction

Active Publication Date: 2015-07-01
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI-Extracted Technical Summary

Problems solved by technology

[0002] The development of automated assembly technology in the aviation manufacturing industry has very important economic value and strategic significance. The robot automatic hole-making technology of foreign aircraft manufacturers has matured and been widely put into production. Among them, the automatic hole-making end effector is used for aircraft automatic assembly processing. Although...
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Abstract

The invention relates to a pressure foot system for a multifunctional automatic drilling and riveting end effector. The pressure foot system is connected with the end effector and comprises a base body, a pressure foot and a driving module, wherein the pressure foot is installed on the base body, and the driving module drives the pressure foot to work. The pressure foot system is characterized in that the pressure foot system is connected with a vacuum chipping sucking device through a pipeline, and a plurality of air blowing channels are formed in a base body pipeline and matched with the vacuum chipping sucking device to form a chipping removal flow field. After an upper computer of the end effector gives a machining object attribute, an electromagnetic proportional valve provides pressing force numerical values for a pressing air cylinder, after the pressing air cylinder drives the pressure foot to press a workpiece, the vacuum chipping sucking device is started, a high-pressure environment is formed on an air blowing opening, a low-pressure environment is formed on an air outlet, a cyclone is formed in the three air blowing channels in a spiral state to form the chipping removal flow field, while starting the drilling work, the end effector does the chipping sucking task, and chippings on a machining site are discharged.

Application Domain

Positioning apparatusBoring/drilling components +2

Technology Topic

EngineeringHigh pressure +8

Image

  • Pressure foot system for multifunctional automatic drilling and riveting end effector and working method
  • Pressure foot system for multifunctional automatic drilling and riveting end effector and working method
  • Pressure foot system for multifunctional automatic drilling and riveting end effector and working method

Examples

  • Experimental program(1)

Example Embodiment

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0017] A pressure foot system for a multifunctional automatic drilling and riveting end effector. The pressure foot system and the outer frame 3 of the end effector are connected by bolts. The pressure foot system includes a base body, a pressure foot 1, and a driving module. The pressure foot 1 is installed on the base and the driving module is driven. The pressure foot 1 works, and the pressure foot system is connected to a vacuum chip suction device through a pipe 2. A number of blowing channels 4 are arranged inside the base pipe, which cooperate with the vacuum chip suction device to form a chip removal flow field.
[0018] Among them, the improved design of the base body is used to realize the channel of the internal flow field of the pressure foot; the vacuum chip suction device is connected to suck the debris; the driving module includes a double compression cylinder, which is composed of two diamond-shaped cylinders, and is compressed The cylinder is connected with an electromagnetic proportional valve, and the pressing force is adjusted through the electromagnetic proportional valve.
[0019] The pressure foot 1 is driven by the compression cylinder and can perform linear reciprocating motion with a length of 50mm. The pressure value is set by the electromagnetic proportional valve connected with the compression cylinder; the pressure foot 1 is connected with the vacuum chip suction device through a pipeline, and the vacuum chip suction device is loaded Inside the robot car.
[0020] A total of three blowing channels 4 are arranged inside the base body, which are distributed in a spiral state. The axis of the blowing port 5 and the axis of the pressure foot 1 form an angle of 30°. The vacuum chip suction device and the air outlet of the pressure foot 1 are connected by a pipeline. Blow when the system is working, and cooperate with the low pressure environment of the air outlet to form a spiral flow field. The flow field is used to remove chips to improve the efficiency of chip suction and stabilize the flow field environment inside the pressure foot pipe.
[0021] The working method of the pressure foot system of the above-mentioned multifunctional automatic drilling and riveting end effector. After the upper computer of the end effector is given the attributes of the processing object, the electromagnetic proportional valve can provide the pressing force of the pressing cylinder within the range of 0~200kg according to the working conditions. Numerical value: After the pressing cylinder drives the pressure foot to compress the workpiece, the vacuum chip suction device is turned on, the blowing port forms a high pressure environment, and the air outlet forms a low pressure environment. The three spiral blowing channels form a cyclone, and the chip discharge flow field is formed. The task of sucking chips is carried out at the same time as the drilling work of the drill is started to realize the discharge of chips on the machining site.
[0022] The present invention is not limited to the above-mentioned specific embodiments, and it is only used as an example to describe a form of the present invention in detail and exemplarily. Within the scope not deviating from the purpose of the present invention, those of ordinary skill in the art can obtain technical solutions through various equivalent substitutions according to the above specific embodiments, but these technical solutions should be included in the scope of the claims of the present invention and their equivalents. within.

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