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A single-cylinder grading injection mechanism for a die-casting machine

The technology of an injection mechanism and a single oil cylinder is applied in the field of injection mechanism of a die-casting machine, which can solve the problem of high cost and achieve the effects of convenient control and cost reduction.

Active Publication Date: 2021-03-26
安徽省含山县华平铸造厂(普通合伙)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, when the common injection mechanism is in use, multiple hydraulic cylinders and their control systems are required to cooperate to complete the three-stage injection, resulting in high cost

Method used

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  • A single-cylinder grading injection mechanism for a die-casting machine
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  • A single-cylinder grading injection mechanism for a die-casting machine

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1~3 , in an embodiment of the present invention, a single-cylinder grading injection mechanism for a die-casting machine, including an injection cylinder 1, a connecting block 2, a grading pipe 3, an oil cylinder connecting pipe 5, an oil cylinder 6, a first piston 8 and an injection rod 9 , the injection cylinder 1 is provided with an injection rod 9, the left side of the injection rod 9 is fixedly connected with the first piston 8, and the...

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Abstract

The invention discloses a single oil cylinder graded injection mechanism for a die-casting machine. The single oil cylinder graded injection mechanism includes an injection cylinder, a connecting block, a graded tube, an oil cylinder connecting tube, an oil cylinder, a first piston and an injection rod, the injection cylinder is internally provided with the injection rod, the left side of the injection rod is fixedly connected with the first piston, the right end of the injection rod is fixedly connected with a second piston, the connecting block is installed at the right end of an injection tube and is fixedly connected by a second screw, the graded tube is arranged on the right side of the connecting block, the oil cylinder connecting tube is arranged on the right side of the graded tube, the connecting block, the graded tube and the oil cylinder connecting tube are fixedly connected by a plurality of first screws, the oil cylinder is fixedly connected to the top of the oil cylinderconnecting tube, the top of the oil cylinder is fixedly connected with an oil inlet, and the right side of the oil cylinder connecting tube is fixedly connected with a sealing cover. The single oil cylinder graded injection mechanism has the beneficial effects that the injection mechanism can divide the injection process into three stages through the graded tube and a graded device, injection of the three stages can be controlled by only one oil cylinder, control is convenient, and the cost can be lowered.

Description

technical field [0001] The invention relates to an injection mechanism of a die-casting machine, in particular to a single-cylinder graded injection mechanism for a die-casting machine. Background technique [0002] A die-casting machine is a machine that presses liquid metal into the cavity of a mold through an injection mechanism to form parts. The injection mechanism of a common die-casting machine can divide the injection process into three stages. Injection at a slower speed to discharge the gas in the pressure chamber, two-stage injection at a faster speed to make the molten metal fill the mold cavity quickly, and three-stage injection to fill the entire cavity with the molten metal at a higher pressure Cavity, exhaust air, and keep it for a period of time, after the molten metal solidifies, then take back the plunger. [0003] However, when the common injection mechanism is in use, multiple hydraulic cylinders and their control systems are required to cooperate to co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/20
CPCB22D17/2015
Inventor 翟广平
Owner 安徽省含山县华平铸造厂(普通合伙)
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