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Novel sand screening machine

A sand screening machine and a new type of technology, applied in the field of sand casting, can solve the problem that the molding sand mass cannot be used directly, and achieve the effects of improving the utilization rate of molding sand, the molding effect, the utilization rate, and the falling effect.

Pending Publication Date: 2022-01-25
湖北博崇德机械制造有限公司
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  • Application Information

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Problems solved by technology

After the molding sand is injected into the mold, it is necessary to process the molding sand so that it can be reused. In the existing method, the molding sand after demolding is firstly sieved, and the sifted molding sand still contains some large-grained molding sand clusters. cannot be used directly

Method used

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Embodiment Construction

[0028] The technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] A new type of sand screening machine, such as figure 1 , image 3 As shown, it includes a frame body 1, a hoist 2, a screen drum 3 rotatably connected to the frame body 1, and a drive motor 4 for driving the screen drum 3 to rotate. The screen drum 3 is obliquely arranged on the frame body 1, and the two ends of the screen drum 3 A feed end 31 and a discharge end 32 are provided, the bottom of the discharge end 32 is provided with a material receiving trough 5, and a sand outlet 51 is provided below the materi...

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Abstract

The invention relates to the field of sand mold casting, and discloses a novel sand screening machine. As shown in the figure, the novel sand screening machine comprises a frame body, an elevator, a screening drum rotationally connected to the frame body and a driving motor for driving the screening drum to rotate. The screening drum is obliquely arranged on the frame body, the two ends of the screening drum are provided with a feeding end and a discharging end correspondingly, a material receiving groove is formed in the bottom of the discharging end, and a crushing mechanism is arranged in the material receiving groove. The novel sand screening machine has the following advantages and effects that the driving motor drives the screening drum to rotate and drives a crushing roller to rotate through belt transmission, and the crushing roller crushes large-particle molding sand, so that the utilization rate of the molding sand is increased; and when the crushing roller crushes the molding sand, a stirring rod is driven to rotate, so that a stirring cam is driven to rotate, the rotation of the stirring cam pushes a guide plate to vibrate, and the falling effect of the molding sand arranged on the end face of the guide plate is improved.

Description

technical field [0001] The invention relates to the technical field of sand casting, in particular to a novel sand screening machine. Background technique [0002] Molding sand can be divided into facet sand, filling sand and single sand, etc. The surface sand is a layer of molding sand that is close to the casting, and the quality requirements are high. The filling sand is behind the surface sand layer and does not contact with the molten metal, so the quality requirements are not strict. Single sand is a molding sand that does not divide face sand and back sand, and is mainly used for machine molding. In addition, the sand molds of large castings often need to be dried before pouring. The molding sand used in it contains more clay. This type of sand is called dry mold sand. After the molding sand is injected into the mold, it is necessary to process the molding sand so that it can be reused. In the existing method, the molding sand after demolding is firstly sieved, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C5/06B22C5/16
CPCB22C5/06B22C5/16
Inventor 魏祖德
Owner 湖北博崇德机械制造有限公司
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