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Centrifugal casting device and method of composite hammer head

A technology of centrifugal casting and compound hammer head, which is applied in the direction of grain processing, etc., to achieve the effects of low cost, improved feeding conditions, and reduced production costs

Inactive Publication Date: 2009-04-22
金培良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The problem to be solved by the present invention is to provide a compound casting centrifugal hammerhead device and centrifugal casting method with good product quality, high production efficiency and low production cost in view of the shortcomings of the existing crusher hammerhead casting device and its casting method

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  • Centrifugal casting device and method of composite hammer head

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Embodiment Construction

[0014] Such as figure 1 The structure diagram of the compound hammerhead centrifugal casting device of the present invention is shown, including a mold box 2, a rotating shaft 3 is installed in the center of the mold box 2, the other end of the rotating shaft 3 is connected to a variable speed motor 4 through a belt pulley, and a throwing tray is installed at the center of the bottom of the mold box 2 21, such as figure 2 As shown, the inside of the mold box 2 is radially provided with six hammerhead cavities 22 communicating with the throwing tray 21, and is pressed with a cover plate 23, and the top of the mold box 2 is provided with a runner 24 communicating with the throwing tray 21. A protective cover 1 is arranged outside the molding box 2, and the device of the present invention is simple in structure and easy to operate.

[0015] The composite hammer head centrifugal casting method comprises the following steps: pouring the liquid metal I through the sprue 24 onto th...

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Abstract

The invention discloses a compound hammerhead centrifugal casting device and a centrifugal casting method. The device comprises a casting box, a rotary shaft is inserted in the center of the casting box, the other end of the rotary shaft is connected with a variable speed motor by a belt, the center of the bottom part of the casting box is provided with a material dumping disk, an inner part of the casting box is provided with a plurality of hammerhead die cavities communicated with the material dumping disk along the radial direction, and a top part of the casting box is provided with a casting channel communicated with the material dumping disk; the molten metal I is poured on the material dumping disk in the casting box by the casting channel, the material dumping disk rotates along with a rotary shaft, the molten metal I on the material dumping disk is evenly dumped in the hammerhead die cavities under the centrifugal action to be solidified, the molten metal II is poured in the casting box, and the steps are repeated to complete the preparation of the hammerhead. The device is simple in structure and low in cost, and the preparation method is simple and easy in operation and good in effect.

Description

technical field [0001] The invention relates to a composite hammer head centrifugal casting device and a centrifugal casting method. Background technique [0002] As the most important part of the crusher, the hammerhead's wear resistance and toughness directly affect the working efficiency of the crusher. In addition to the casting material itself, the casting device and its process are also one of the key factors affecting the hammer head's quality. The existing hammer head production generally adopts the method of gravity casting. Although the device process is simple and easy, However, there are the following disadvantages: large casting riser, poor ability to fill the mold, poor feeding conditions, and difficult discharge of gas and non-metallic inclusions, etc. Especially the wear-resistant parts have poor compactness and fluidity. [0003] The characteristics of centrifugal casting are that the molten metal is filled and solidified under the action of centrifugal for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D13/04B22D19/16B02C13/28
Inventor 王小平
Owner 金培良
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