Reciprocating motion mechanism combining characteristics of shape memory polymer
A technology of reciprocating motion mechanism and memory polymer, which is applied in the direction of vibrating fluid, etc., can solve the problems of large space occupied by control components, difficult processing of complex motion mechanisms, and high processing costs, so as to achieve smooth motion, impact resistance, and reduce Impact, resource saving effect
Pending Publication Date: 2021-12-17
ZHEJIANG UNIV OF TECH
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Problems solved by technology
At present, the common mechanical mechanism that realizes reciprocating motion has high pressure and serious wear during the movement process; the processing of complex motion mechanism is difficult and the processing cost is high; secondly, the control components of the mechanism are large and costly, and the control Components take up a lot of space
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation.
[0030] Such as figure 1 As shown, the mechanism includes a frame 1, a mobile slide 6, a shape memory member, a guide rail 5 and a connecting plate 7; a guide rail 5 is arranged in the frame 1, and a mobile slide 6 is slidably installed on the guide rail 5. The connection plate 7 is fixedly installed, and the two sides of the connection plate 7 are respectively connected to the two sides of the inside of the frame 1 via a shape memory part; each shape memory part is mainly composed of a shape memory polymer 2 / 3 and a heating module 4, and the shape The memory polymer 2 / 3 is arranged in an S shape, that is, in a wave shape, and the shape memory polymer 2 / 3 is provided with a heating module 4 inside at the inflection point of the S-shaped semicircle arc. The heating module 4 is in the shape of a semicircle arc. Heating controls the shape of th...
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The invention discloses a reciprocating motion mechanism combining the characteristics of a shape memory polymer. A guide rail is arranged in a rack, a movable sliding table is installed on the guide rail in a sliding mode, a connecting plate is fixedly installed on the movable sliding table, and the two sides of the connecting plate are connected with the two sides in the rack through shape memory pieces correspondingly; and each shape memory part is mainly composed of a shape memory polymer and a heating module, the shape memory polymers are arranged in an S shape, the heating modules are arranged in the semi-arc bending inflection points of the S shapes of the shape memory polymers, and the two ends of the shape memory polymers are connected to the side portion of the connecting plate and the inner side portion of the rack correspondingly. According to the device disclosed by the invention, the reciprocating motion of the mechanism can be realized by utilizing the dynamic circulating reciprocating change of the shape of the shape memory polymer under the condition that a complex control assembly is not needed; and the device can overcome the defects that a traditional reciprocating motion mechanism is difficult to control, and the number of control assemblies is large.
Description
technical field [0001] The invention belongs to the field of 4D printing technology, and relates to a mechanism capable of realizing circular reciprocating movement by using 4D printing technology, and in particular relates to a reciprocating mechanism combined with the characteristics of shape memory polymers. Background technique [0002] Reciprocating motion mechanisms are widely used in the field of mechanical production and processing, including various types of machine tools commonly used in mechanical processing, various agricultural machinery, and aerospace and other fields. At present, commonly used reciprocating motion mechanisms include cam mechanisms, planar four-bar mechanisms, incomplete gear mechanisms, sheave mechanisms, ratchet mechanisms, and hydraulic piston cylinders. The working principle of the traditional reciprocating mechanism is mainly to use electric energy and hydraulic energy as the energy source to drive the mechanism to realize reciprocating ya...
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IPC IPC(8): B06B1/14
CPCB06B1/14
Inventor彭翔王南航江浩浩王俊吴化平汪志强
OwnerZHEJIANG UNIV OF TECH