Semisolid injection molding machine with multi-station injection

An injection molding machine and semi-solid technology, applied in the field of semi-solid injection molding machines, can solve problems such as insufficient injection pressure, small injection volume, slow melting process, etc., to reduce injection pressure, improve local strength, and reduce injection speed Effect

Pending Publication Date: 2018-02-09
GUANGDONG YIZUMI PRECISION MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] First, the injection volume is not large. Half of the traditional semi-solid injection molding machine is only equipped with a set of injection unit, and the injection unit adopts the structure of barrel and screw. Metal particles are melted by heating the barrel and stirring and shearing the screw. The molten material is delivered to the storage cavity through the push of the screw, and finally injected into the mold cavity through the injection action of the screw; generally, the injection volume of such a mechanism is less than that of the die-casting method, because the die-casting method pre-melts the material through the furnace, and then Pour into the injection chamber and inject into the mold cavity. The melting process and the injection process are carried out separately and are independent of each other. The injection volume is only related to the diameter of the injection head. Therefore, the pressure can be increased by increasing the diameter of the injection head. Injection volume; relatively speaking, the semi-solid injection molding process is an organic combination of the melting process and the injection process, which are mutually restricted. Increasing the injection volume by increasing the overall diameter and length of the barrel screw will inevitably affect the effect of the melting material. At the same time, it will also cause adverse conditions such as slow melting process and insufficient injection pressure; moreover, the barrel and screw of the semi-solid injection molding machine are consumables and must be replaced after a period of use. The material used for manufacturing is special steel. The cost is very high, so it is not economical to increase the injection volume by increasing the barrel screw; the shortcoming of the semi-solid injection molding machine's insufficient injection volume d

Method used

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  • Semisolid injection molding machine with multi-station injection
  • Semisolid injection molding machine with multi-station injection
  • Semisolid injection molding machine with multi-station injection

Examples

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Example

[0023] First embodiment

[0024] See figure 1 with figure 2 , This multi-station injection semi-solid injection molding machine is a double-station injection semi-solid magnesium alloy injection molding machine, which includes an injection mold A, a semi-solid injection mechanism B and a coordinated control system. The injection mold A is provided with interconnected Injection mold cavity 3 and injection gate 4; two sets of semi-solid injection mechanism B are arranged side by side, two injection gates 4 are set corresponding to semi-solid injection mechanism B, and the two injection gates 4 are respectively connected to the injection mold cavity through different injection channels 3. Two injection gates 4 are respectively arranged on one end of the injection mold A, and the semi-solid injection mechanism B is communicated with the corresponding injection gates 4. This structure uses two sets of semi-solid injection mechanisms B to inject the semi-solid magnesium alloy, which e...

Example

[0031] Second embodiment

[0032] See image 3 The semi-solid injection molding machine for multi-station injection is different from the first embodiment in that: two sets of semi-solid injection mechanism B are provided, and the angle α between the two sets of semi-solid injection mechanism B is 90°, The end surface and the side surface of the injection mold A are respectively provided with injection gates 4 communicating with the injection mold cavity 3, and the two semi-solid injection mechanisms B are respectively connected with the corresponding injection gates 4.

[0033] The distribution method of semi-solid injection mechanism B does not require modification of the clamping mechanism fixing plate, only the relative position of the mold gate needs to be adjusted, and the realization method is more flexible; the corresponding injection mold A is similar to a two-component injection mold, that is, during injection Two injection gates 4 are provided on the mold A, and the two...

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Abstract

The invention relates to a semisolid injection molding machine with multi-station injection. The semisolid injection molding machine with multi-station injection comprises an injection mold and semisolid injection mechanisms. An injection mold cavity and injection sprues communicating mutually are arranged on the injection mold; two or more than two sets of semisolid injection mechanisms are arranged; two or more than two injection sprues are arranged corresponding to the semisolid injection mechanisms; the injection sprues communicate with the injection mold cavity through different injectionrunners; and the semisolid injection mechanisms communicate with the corresponding injection sprues. According to the semisolid injection molding machine with multi-station injection provided by theinvention, semisolid magnesium alloy is injected through the two sets of semisolid injection mechanisms, so that the injection volume is effectively increased, and the flow length ratio is reduced; and the structure is suitable for the occasions requiring producing thin-wall or thick-wall magnesium alloy products with high production quality and large flow length ratio.

Description

technical field [0001] The invention relates to a semi-solid injection molding machine, in particular to a semi-solid injection molding machine for multi-station injection of magnesium alloy or aluminum alloy. Background technique [0002] The traditional semi-solid injection molding machine has the following shortcomings in the production of products: [0003] First, the injection volume is not large. Half of the traditional semi-solid injection molding machine is only equipped with a set of injection unit, and the injection unit adopts the structure of barrel and screw. Metal particles are melted by heating the barrel and stirring and shearing the screw. The molten material is delivered to the storage cavity through the push of the screw, and finally injected into the mold cavity through the injection action of the screw; generally, the injection volume of such a mechanism is less than that of the die-casting method, because the die-casting method pre-melts the material th...

Claims

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Application Information

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IPC IPC(8): B22D17/00B22D17/22
CPCB22D17/007B22D17/2272
Inventor 隋铁军梁启华吴振波周晓星
Owner GUANGDONG YIZUMI PRECISION MACHINERY
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