Microtube breaking method and a closed structure used in the method
A closed structure and closed cavity technology, which is applied in the direction of working accessories, manufacturing tools, stone processing tools, etc., can solve the problem of easy adhesion of glass fine particles on the inner wall of the microtube/microtube, and achieve the effect of good cleanliness
Active Publication Date: 2022-07-22
山东美毅生物技术有限公司
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Problems solved by technology
[0004] Aiming at the problem of poor consistency of broken tubes in the process of cutting tubes, the present invention provides a method for breaking microtubes. In the process of breaking tubes, the cutting process is placed in a closed space, and the broken tubes are separated by air flow. The generated glass fine particles are drawn out of the closed space to solve the problem that the microtube / microtube inner wall is easy to adhere to the glass fine particles after the tube is broken, which helps to ensure that the microtube / microtube inner wall obtained after the tube is broken good cleanliness
Method used
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[0037] The structures, proportions, sizes, etc. shown in the drawings in the description are only used to cooperate with the contents disclosed in the description, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions for the implementation of the present invention. The technical substantive significance, any modification of the structure, the change of the proportional relationship or the adjustment of the size, should still fall within the technical content disclosed by the present invention without affecting the effect that the present invention can produce and the purpose that can be achieved. within the range that can be covered. Meanwhile, terms such as "upper", "lower", "front", "rear" and "middle" quoted in this specification are only for the convenience of description and clarity, and are not used to limit the scope of the present invention. , the change or adjustment of the relative relationship, witho...
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The invention relates to a micro tube breaking method and a closed structure used for the method. The tube breaking method includes a pipe whole process, a pipe feeding process, a pipe breaking process and a pipe taking process. In the process of breaking the tube, the cutting position of the microtube is first placed in a closed cavity, the fan communicating with the closed cavity is started to form a suction air flow in the closed cavity, and then the cutting machine is started to complete the pipe cutting operation. After the tube breaking operation is completed, the fan is turned off and the closed cavity set outside the microtube is released. The method provided by this patent can better solve the problem of the cleanliness of the microtube caused by the adhesion of glass fine particles to the inner surface of the tube wall. The fine particles can be taken away by the airflow in time to prevent the glass fine particles generated by cutting from adhering to the inner wall of the microtube, and to promote the inner wall of the microtube to have good cleanliness.
Description
technical field [0001] The present invention relates to a method for breaking a tube by using a cutting sheet to complete the breaking of a microtube and a closed structure that can be used in the method. Microtubes (eg, microtubes, etc.) are glass tubes that can be used in fields such as medical devices, bioengineering, and cell engineering. Background technique [0002] Glass microtubes or glass microneedles, such as microtubes (or microscopic tubes, egg-stripping needles), generally need to be finished by drawing, breaking, polishing and other process steps to obtain finished products. Most of the blanks are glass tubes with an inner diameter of 1.5mm. The cutting method adopted in the current production process of glass microtubes is mainly cutting the section tube (needle) or breaking the tube (needle) on a calciner. Taking the microtube as an example, the method of cutting the segment tube mainly has the problem of poor consistency of the tube length of the finished ...
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IPC IPC(8): B28D1/22B28D7/00B28D7/02B28D7/04
CPCB28D1/227B28D7/04B28D7/02B28D7/005B28D7/00
Inventor 陈春晓陈蕾任潇宇
Owner 山东美毅生物技术有限公司