Injection moulding heating method for diamond rope saw and apparatus

A diamond wire saw and heating device technology, applied in electric heating devices, stone processing equipment, stone processing tools, etc., can solve the problems of unstable plastic solidification molding quality, different heating times of steel wire ropes, and inability to heat metal molds, etc., to achieve convenient power supply Heating and injection molding, improving the quality of plastic curing molding, the effect of simple structure

Inactive Publication Date: 2007-08-08
中国有色桂林矿产地质研究院有限公司
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  • Application Information

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Problems solved by technology

However, the current electric furnace heating method has three major disadvantages: 1. The heating is uneven, and the external temperature of the steel wire rope is higher than the internal temperature, which affects the penetration of plastic into the strands of the steel wire rope; 2. The heating time is not fixed, because the operation time of each injection molding process is diffe

Method used

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  • Injection moulding heating method for diamond rope saw and apparatus
  • Injection moulding heating method for diamond rope saw and apparatus
  • Injection moulding heating method for diamond rope saw and apparatus

Examples

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Embodiment Construction

[0021] Non-limiting examples of the injection heating method of the diamond wire saw of the present invention are as follows: the two ends of the wire rope to be injected into the beaded wire rope are energized, and the resistance heat generation of the wire rope is used for self-heating, reaching 40 ° C ~ 100 ° C (according to the properties of the plastic used). ), the power is turned off, and the heated steel wire rope with beads is sent to the injection mold for injection molding. In order to reduce the cooling rate of the plastic in the injection mold, the metal mold is heated with electricity when it is working, and a certain temperature is maintained at 40°C to 70°C.

[0022] The embodiment of the wire rope saw injection heating device is shown in Figure 1. The metal injection mold 2 is installed on the operating platform of the injection molding machine 3, and the wire rope 7 with the beads 6 is fed into the mold 2 from the right side of the injection mold. This side o...

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PUM

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Abstract

The invention relates to diamond rope saw injection heating, which provides electricity for both ends of the mold to keep the metal mold at certain temperature. The injection mold is installed on the operation platform of the injecting machine, with one side having two triggers along the steel cable, with the trigger contacting with the two sections to be injected of the steel cable. The trigger connects with the output end of the transformer. It controls the circuit transformer primary stroke switch and timing relay. The stroke switch closes when the mold closes, heating the part to be injected, with the relay controlling the charging time. The output end of the other transformer connect with the metal injection mold to provide heat to a certain temperature. While connecting electricity, inside and outside of the steel wire keeping the same, to ensure the penetration of plastics to improve the binding strength. It realizes electrical heating and injection with optimal temperature, easy for operation.

Description

(1) Technical field [0001] The invention relates to a manufacturing method and device for a diamond wire saw, in particular to a method and device for injection heating of a diamond wire saw. (2) Technical background [0002] Diamond wire saw is a cutting tool, which is widely used in rock mining, rock block shaping, special-shaped stone processing and reinforced concrete cutting and other building materials processing industries. The diamond wire saw is composed of beads, wire ropes, fixing materials, etc. At present, the most commonly used fixing material is plastic. The plastic is fixedly connected to the wire rope and the beads worn on the wire rope by injection molding to form a diamond wire saw. [0003] In the injection molding process, when the high-temperature plastic comes into contact with the steel wire rope and the metal mold at room temperature, the temperature of the plastic drops rapidly, and its fluidity decreases rapidly. The strength of the fixed connecti...

Claims

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Application Information

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IPC IPC(8): B29C45/72B29C45/73B29C45/78B29C45/76B29C45/14H05B1/00E21C25/54E21C25/56B28D1/12B29L31/28
Inventor 陈一欣谢志刚郭桦
Owner 中国有色桂林矿产地质研究院有限公司
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