Plastic jetting-moulding machine fast-module-packaging method and apparatus thereof

An injection molding machine and molding technology, applied in the direction of magnetic objects, electrical components, circuits, etc., can solve the problems affecting production efficiency, time-consuming and other problems, and achieve the effect of improving production efficiency

Inactive Publication Date: 2008-03-12
NANJING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the case of small and medium batch production of plastic products, the traditional manual loading and unloading of plastic molds (including mold

Method used

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  • Plastic jetting-moulding machine fast-module-packaging method and apparatus thereof
  • Plastic jetting-moulding machine fast-module-packaging method and apparatus thereof

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Embodiment Construction

[0015] 1. The functional block diagram of the multi-channel charge and demagnetization controller is shown in Figure 2: it is mainly composed of MCU system (including 89C51 single-chip microcomputer, watchdog circuit, memory), keyboard and display part, synchronous signal generation circuit, PLC interface circuit, two-channel proximity switch signal Conditioning and threshold comparator, two-channel hall sensor signal conditioning and threshold comparator, thyristor and trigger circuit, multi-channel main circuit relay and control circuit, high current detection circuit and other parts. In the electronically controlled multi-channel charge and demagnetization controller of this device, the microprocessor is used as the core of the system, which can conveniently realize the control of the power-on phase, power and time, and achieve a good charge and demagnetization effect. It has the same characteristics as the PLC in the injection molding machine. The communication function of ...

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Abstract

A quick diefilling method of an injection moulding machine is that the injection moulding machine is provided with two pieces of magnetic force sucking discs which can be magnetized and demagnetized of a movable moulding board and a fixed moulding board, which are respectively used to fix a movable mould and a fixed mould of the injection moulding machine; a die space is arranged inside a clamping part of the movable mould and the fixed mould. A magnetic force platform is provided a tactic permanent magnet unit and is provided with a magnetizing and demagnetizing winding which is used to magnetize and demagnetize the permanent magnet unit. An inspecting circuit of magnetic induction intensity is provided; electromotive force, which is output by a sensor, is enlarged ten times by difference and then is compared by a voltage comparator and then output to an I/O opening of a microprocessor; a synchronous signal producing circuit and an electrical source synchronous signal ingesting circuit are provided. An input end is the 15 voltage alternating current which is output by a transformer and goes to a computing amplifier through a current-limiting resistor to be made into square-wave signal and then goes to 3K current-limiting resistor to be input into an interrupt input opening and the I/O opening of the microprocessor.

Description

technical field [0001] The invention relates to a method and device for quickly installing molds of injection molding machines. Background technique [0002] Injection molding machines are widely used in the production of plastic products in various industries. In the case of small and medium batch production of plastic products, the traditional manual loading and unloading of plastic molds (including molds such as blisters) takes a long time, which seriously affects production efficiency (it usually takes about 3 hours to replace a set of plastic molds). Contents of the invention [0003] The fast-loading mold controller of the injection molding machine of the present invention can shorten the time for loading and unloading a mold to half an hour, which is 1 / 6 of the time-consuming time of the traditional bolt fixing method. The injection molding machine adopting the device can greatly improve the production efficiency. [0004] The technical solution of the present inv...

Claims

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Application Information

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IPC IPC(8): B29C45/17B29C45/26B29C33/32H01F13/00
Inventor 潘红兵
Owner NANJING UNIV
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