Vibration and suction mechanism with adjustable eccentric wheels
A technology of adsorption mechanism and eccentric wheel, which is applied in the direction of motor vehicles, transportation and packaging, etc., can solve the problems of long towing belt, small negative pressure, and reduced safety of robots, so as to improve flexibility, ensure precision, and improve controllability Effect
Inactive Publication Date: 2009-09-23
BEIHANG UNIV
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Problems solved by technology
This negative pressure value can ensure that the suction cup can generate sufficient adsorption force, but the disadvantage is that the vacuum generating device needs to drag a long air pipe, which makes the whole robot body bulky, which is not conducive to the miniaturization of the robot
Passive adsorption relies on suction cup expansion to generate negative pressure. It does not require vacuum generators and air pipes, and it is easy to realize the miniaturization of the robot body. However, the disadvantage is that the negative pressure generated is small. Decreased, can not continue to adsorb on the wall
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[0035] The present invention will be further described in detail below with reference to the accompanying drawings.
[0036] see figure 1 As shown, a vibration adsorption mechanism with an adjustable eccentric wheel of the present invention is composed of a vibration unit 1 , a drive unit 2 and a base 10 . The vibration unit 1 consists of four levers, four suction cups, four guide posts and a plurality of pins. The drive unit 2 consists of two motors, a worm, a piston, an eccentric and a guide frame.
[0037] (1) Vibration unit 1
[0038] see figure 1 , Figure 4 As shown, the four suction cups are referred to as A suction cup 41 , B suction cup 42 , C suction cup 43 and D suction cup 44 .
[0039] The four guide posts refer to A guide post 51 , B guide post 52 , C guide post 53 and D guide post 54 . The upper end of each guide post is provided with two through holes, and the two through holes are opened vertically.
[0040] In the present invention, the lower end of ea...
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The invention discloses a vibration and suction mechanism with adjustable eccentric wheels. The vibration and suction mechanism comprises a vibration unit, a driving unit and a base; the vibration unit comprises four levers, four suckers, four guiding columns and a plurality of pins; and the driving unit consists of two motors, a worm, a piston, eccentric wheels and a guiding frame. The vibration and suction mechanism realizes vibration and suction of the four suckers by one motor, while the other motor can change vibration amplitude by changing the eccentric wheels. By matched use of the worm and the piston, the vibration and suction mechanism can realize fine adjustment of the offset of the eccentric wheels, thus improving the precision and controllability of vibration amplitude changing.
Description
technical field [0001] The present invention relates to a mechanism for vibration adsorption by using suction cups, more particularly, to a vibration adsorption mechanism with an adjustable eccentric wheel whose vibration and amplitude do not interfere with each other. Background technique [0002] In a broad sense, vibration refers to the process in which the parameters (such as displacement, voltage) describing the state of the system change alternately above and below its reference value. In a narrow sense, it refers to mechanical vibration, that is, vibration in a mechanical system. Assume that the state where the air pressure in the suction cup cavity is equal to the external atmospheric pressure is the equilibrium state. When the suction cup is in good contact with the wall surface in the natural state, the height of the suction cup is set as the balance height, and the suction cup makes its height equal to the balance height under the action of external force. The ph...
Claims
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IPC IPC(8): B62D57/024
Inventor 王巍王坤李大寨宗光华
Owner BEIHANG UNIV