Pore forming method for prefabricated part
A prefabricated component and hole-forming technology, which is applied in the direction of manufacturing tools, ceramic molding machines, ceramic molding cores, etc., can solve problems such as hole mold collapse
Inactive Publication Date: 2022-05-13
苏州良浦节能新材料股份有限公司
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[0003] The purpose of the present invention is to propose a method for forming holes in prefabricated components in order to solve the problem that the existing prefabricated components are prone to collapse when the hole mold is pulled out.
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments o...
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The invention discloses a hole forming method of a prefabricated part, and belongs to the technical field of hole forming of prefabricated parts, and the hole forming method comprises the following steps: S1, designing the position and size of a preformed hole on a drawing; s2, a limiting part is arranged at the position, where a hole is reserved, of the die table top, hole forming parts are connected to the limiting part and comprise the first hole forming part and the second hole forming part, the second hole forming part is connected to the top of the first hole forming part, and the rigidity of the first hole forming part is larger than that of the second hole forming part; s3, the surface of the pore-forming piece is coated with a delayed coagulation soil retarder; and S4, concrete is poured to form a prefabricated part, and the hole forming part is pulled out before final setting and after initial setting of the prefabricated part. According to the hole forming device, the hole forming piece is arranged, the rigidity of the first hole forming piece and the rigidity of the second hole forming piece are different, the second hole forming piece is arranged on the first hole forming piece in a sleeving mode, and therefore the hole collapse phenomenon cannot be generated when the hole forming piece is pulled out.
Description
technical field [0001] The invention belongs to the technical field of hole forming of prefabricated components, in particular to a method for forming holes of prefabricated components. Background technique [0002] Prefabricated elements manufactured in the construction sector have many structures with holes. For the formation of holes, metal materials are generally used as hole molds. When making prefabricated components, when the concrete is solidified to a certain strength, the hole molds are manually rotated or twitched to separate the hole molds from the concrete, but the concrete will not collapse. Wait until When the concrete strength reaches a higher level, the hole formwork is pulled out. The disadvantage of this method of forming holes is that in the process of making prefabricated parts, it is necessary to accurately grasp the solidification degree of the prefabricated materials. The hole collapse phenomenon, this method of forming holes makes the production qu...
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IPC IPC(8): B28B1/14B28B7/28
CPCB28B1/14B28B7/285
Inventor 朱欢劼陆彬周思埼陆炜王丽明刘红兵
Owner 苏州良浦节能新材料股份有限公司