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High-molecular composite material telescopic processing mold

A technology for processing molds and composite materials, applied in the field of processing molds for polymer composite materials, can solve the problems of inability to reuse and scrap, and achieve the effects of simple structure, convenient manufacturing and easy demoulding.

Inactive Publication Date: 2012-10-24
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the resin is cured, the mold needs to be removed. After the mold is removed, it will be scrapped and cannot be reused at all.

Method used

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  • High-molecular composite material telescopic processing mold
  • High-molecular composite material telescopic processing mold
  • High-molecular composite material telescopic processing mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 is the telescopic processing mold of polymer composite material

[0026] Such as figure 1 , figure 2 As shown, on a thinner mandrel 1, there are three telescopic rings 3 perpendicular to the mandrel. The front view of the telescopic ring is as follows: figure 2 As shown, the top of the radial telescopic rod 2 is connected to the parallelogram, and is connected to the metal sheet 5 through the hinge 4 around the parallelogram, so that the metal sheet fully covers the telescopic processing mold 6; the telescopic mold end cover is designed according to the principle of an umbrella. The second 7 is provided with a drive ring 8, the drive ring is connected with the radial telescopic rod two 9, and the radial telescopic rod two is connected with a plurality of telescopic brackets 10 on the end cover surface, and the support is also covered with sheet metal to form a complete end cover mould.

Embodiment 2

[0027] Embodiment 2 is the pipeline expansion and contraction processing mold of polymer composite material

[0028] Such as image 3 As shown, when the three telescopic rings 3 are fixed, the pipe diameter of the telescopic processing mold 6 will no longer change, and the top of the radial telescopic rod 2 must cover the metal sheet 5 connected with the hinge 4, and be concentrically wound on the telescopic ring 3, thereby obtaining Complete telescoping tooling. Regardless of whether the diameter of the pipe is growing or shrinking, the change in the circumference of the pipe can be achieved by connecting different numbers of metal sheets. After the preparation of the composite material pipe is completed, the telescopic ring is lowered, the diameter becomes smaller, and demoulding will be very easy.

Embodiment 3

[0029] Embodiment 3 is a tapered pipeline telescopic processing mold of a polymer composite material

[0030] Such as Figure 5 As shown, when the three telescopic rings 3 can be enlarged or reduced synchronously, a pipe mold with the same diameter can be obtained. However, the size of the three telescopic rings can also vary inconsistently, so that a tapered pipe telescopic processing mold can be obtained. When the diameter of the telescopic ring 1 is a little smaller, the diameter of the telescopic ring 2 is slightly larger, and the diameter of the telescopic ring 3 is the largest, and then covered with a metal sheet, then a telescopic processing mold with a taper will be obtained, which can be expected to be used in the production of electric poles and towers.

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Abstract

The invention discloses a high-molecular composite material telescopic processing mold. The mold is characterized in that the telescopic processing mold comprises a first core mold (1), a radial telescopic pole (2) and a telescopic ring composed of a plurality of parallelogram parts (3). The top end of the radial telescopic pole (2) is connected with the parallelogram ring (3). The peripheral of the parallelogram ring (3) is connected through hinges (4) and metal sheets (5), such that the metal sheets completely cover the telescopic processing mold. An end cap (6) of the telescopic processing mold is designed according to a principle of an umbrella. A driving ring (8) is arranged on a second core mold (7). The driving ring is connected with a second radial telescopic pole (9). The second radial telescopic pole is connected to a plurality of telescopic supports (10) of the end cap surface, such that the telescopic supports completely cover the end cap surface. The telescopic processing mold provided by the invention is advantaged in adjustable diameter, and convenient demolding. With the telescopic processing mold, manufacturing cost of composite material can be reduced.

Description

technical field [0001] The invention relates to a telescopic processing mold for polymer composite materials, which belongs to the field of processing molds for polymer composite materials. technical background [0002] Due to its high specific strength and specific stiffness, corrosion resistance, and low maintenance costs, high-performance fiber composite materials can replace metals as structural materials in many occasions, and have gained more and more recognition and applications in military and civilian fields. . In the civilian field, glass fiber composite materials are most widely used, especially in urban water supply and drainage, chemical industry, and the application of pipelines or storage tanks is increasing. The low-cost technology of composite materials has always been an important development direction. [0003] In terms of pipelines or storage tanks, the molds currently used generally have a fixed diameter for pipelines. Pipes with different diameters ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/54B29C33/00
Inventor 张军华周涛
Owner SICHUAN UNIV
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