Micro-fluidic pipeline hot-pressing stretching device and control method thereof

A stretching device and microfluidic technology, used in microstructure devices, manufacturing microstructure devices, chemical instruments and methods, etc., can solve the problem of large inner diameter of polymer pipelines, inability to realize variable diameter pipelines, and inability to meet pipeline design requirements, etc. problems, to achieve the effect of improving quality, ensuring uniformity and simple structure

CN114671400APending Publication Date: 2022-06-28广东省科学院生物与医学工程研究所
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2022-06-28

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Abstract

The invention discloses a microfluidic pipeline hot-pressing stretching device and a control method thereof. The device comprises a base; the pressurizing assembly comprises a top plate, an elastic connecting piece and a load, the lower surface of the top plate is connected to the upper surface of the base through the elastic connecting piece, and the load is arranged on the upper surface of the top plate; the heating assembly comprises an upper heating plate and a lower heating plate, the upper heating plate is arranged on the lower surface of the top plate, the lower heating plate is arranged on the upper surface of the base, heaters are arranged in the upper heating plate and the lower heating plate, and a hot pressing groove is formed in the upper surface of the lower heating plate; the transmission assembly comprises a driving wheel, a driven wheel and a traction motor, the driving wheel and the driven wheel are arranged close to the two ends of the hot-pressing groove respectively, and the driving wheel is in transmission connection with the traction motor; and the heater and the traction motor are electrically connected with the main controller. According to the invention, the stretching and hot pressing uniformity of the microfluidic pipeline is ensured, the quality of the microfluidic pipeline is improved, and the device can be widely applied to the technical field of microfluidic pipeline processing.
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Description

technical field

[0001] The invention relates to the technical field of microfluidic pipeline processing, in particular to a microfluidic pipeline hot-pressing stretching device and a control method thereof. Background technique

[0002] The main materials for making microfluidic chips are silicon wafer, glass, polydimethylsiloxane (PDMS), polymethyl methacrylate, polytetrafluoroethylene and paper base. Different material properties dictate different micromachining methods. However, the main processing methods of microfluidic chips are lithography technology from the microelectronics industry and soft lithography technology from surface patterning; in addition, CNC, laser etching, 3D printing, injection molding and other processing technologies are also currently used widely used. On the basis of the above technology, in order to make a complete microfluidic pipeline, it is generally necessary to bond two pieces of materials. Materials such as glass and silicon wafers are ...

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Embodiment Construction

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The numbers of the steps in the following embodiments are only set for the convenience of description, and the sequence between the steps is not limited in any way, and the execution sequence of each step in the embodiments can be adapted according to the understanding of those skilled in the art Sexual adjustment.

[0032] In the description of the present invention, the meaning of multiple is more than two. If there is a description of the first and the second, it is only for the purpose of distinguishing technical features, and should not be understood as indicating or implying relative importance or implicitly indicating that The number of technical features indicated or implicitly indicates the order of the indicated technical features. Also, unless otherwise defined, all technical and scientific terms used herein have the same mean...