Easy-to-open dumbbell-type vulcanized rubber specimen processing mold

A vulcanized rubber and dumbbell-shaped technology, which is applied in the field of easy-opening molds, can solve problems such as difficult mold-opening, and achieve the effects of easy operation, difficult mold-opening, and simple process

Inactive Publication Date: 2015-04-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problems in the above-mentioned prior art, that is, the current rubber vulcanization mold is generally composed of two parts or three parts, and there is a problem that it is difficult to mold after vulcanization

Method used

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  • Easy-to-open dumbbell-type vulcanized rubber specimen processing mold
  • Easy-to-open dumbbell-type vulcanized rubber specimen processing mold
  • Easy-to-open dumbbell-type vulcanized rubber specimen processing mold

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.

[0017] Such as Figure 1 to Figure 6 As shown, an easy-opening mold for processing dumbbell-shaped vulcanized rubber test pieces involved in this embodiment includes: a combined mold and a mold opening device, and the combined mold includes a forming head 1, a cylindrical sleeve 2 and a cylindrical shaped base 3, the molding head 1 includes a cylindrical upper mold base 1-1 and a cylindrical upper template 1-2, the cylindrical upper mold base 1-1 and the cylindrical upper template 1-2 are connected up and down as one, and the cylindrical The sleeve 2 is provided with a cavity 2-1, and the top of the cylindrical base 3 is p...

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Abstract

The invention provides a mold easy to open for machining a dumbbell-shaped vulcanized rubber test piece, which belongs to the technical field of a mold. A cylindrical upper mold plate and a cylindrical boss are respectively matched with a cavity of a cylindrical sleeve; a mold opening device comprises a cylindrical cavity barrel and a solid cylinder, the outer diameter of a cylindrical upper mold base and the outer diameter of a cylindrical base are respectively less than the inner diameter of the cylindrical cavity in the cylindrical cavity barrel, and the outer diameter of the cylindrical sleeve is equal to that of the cylindrical cavity barrel. After the vulcanization is completed, a forming head, the cylindrical sleeve and the cylindrical base are disassembled and arranged on the cylindrical cavity barrel of the mold opening device, and pressure is applied to the forming head, so that the cylindrical base and a rubber material are collectively separated from a mold cavity. Two surplus non-separated devices are overturned, and are arranged on the cylindrical cavity barrel of the mold opening device, and pressure is applied to the forming head by utilizing the solid cylinder, so that the forming head is separated from the cylindrical sleeve, and the mold opening is completed. The mold is simple and convenient to open, and the test piece is not damaged.

Description

technical field [0001] The invention relates to an easy-opening mold for processing a dumbbell-shaped vulcanized rubber test piece, which belongs to the technical field of molds. Background technique [0002] Rubber is a highly elastic polymer material with reversible deformation, which is widely used in the manufacture of tires, hoses, tapes, cables and other rubber products. The vulcanization of rubber has a great influence on the properties of rubber. The physical properties of over-vulcanized and under-vulcanized rubber parts are very different from those of normal vulcanized rubber parts. Over-vulcanized and under-vulcanized rubber parts will be used in future applications. There may be some problems. Therefore, it is necessary to study the vulcanization of rubber. In the research process, rubber dumbbell-shaped specimens are needed to test some parameters such as tensile strength and elongation at break. At present, the mold for rubber vulcanization is generally com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/20B29C35/02
Inventor 王友善刘宇鹏刘宇艳吴健崔志博粟本龙周锐刘强
Owner HARBIN INST OF TECH
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