Molding sand dispersing and screening device for mechanical casting

A technology of mechanical casting and screening device, which is applied in casting molding equipment, machinery for cleaning/processing mold materials, and manufacturing tools, etc. The effect of accelerated screening

Pending Publication Date: 2022-01-28
含山县天宇机械铸造厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the feeding position of the molding sand in the existing device is fixed, so it is easy to accumulate in a certain place of the screen, resulting in the problem of low screening efficiency

Method used

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  • Molding sand dispersing and screening device for mechanical casting
  • Molding sand dispersing and screening device for mechanical casting
  • Molding sand dispersing and screening device for mechanical casting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] See attached figure 1 , a molding sand dispersion and screening device for mechanical casting, comprising a screening cylinder 101, a feed box 203, a screen 103 and a feeding mechanism,

[0037] The screen 103 is installed in the middle of the screening cylinder 101, and the bottom is provided with a discharge port 102; a support 201 is connected to one side of the top of the screening cylinder 101, and an electric push rod 202 is installed on the support 201; one end of the electric push rod 202 is connected to the support 201, and the other is One end extends to the other side of the top and is connected with a material box 203; the bottom of the material box 203 is connected with a feeding pipe 204, and one side of the feeding pipe 204 is connected with a support 205;

[0038] See attached figure 2 , 3 , the blanking mechanism includes a fixed rack 301, a gear 302, a connecting shaft 303 and a turntable 304, the fixed rack 301 is fixedly connected to the upper par...

Embodiment 2

[0042] On the basis of embodiment 1,

[0043] See attached Figure 4 , 5 , the edge of the top surface of the screen 103 is upwardly connected with a guide rod 104, the inner wall of the screening cylinder 101 is connected with a fixed plate 105, and the guide rod 104 passes through the fixed plate 105; a driven shaft 402 is arranged below the screen 103, and the driven shaft 402 There is a cam 401 which bears against the screen 103 .

[0044] One end of the driven shaft 402 stretches out the screening cylinder 101 and is equipped with the No. 2 gear 403; the No. 2 gear 403 is meshed with a longitudinal mobile rack 503, and the top of the mobile rack 503 is connected with a stay rope 502; the top of the screening cylinder 101 is equipped with The guide wheel 501 and the stay rope 502 go around the guide wheel 501 and are connected with the magazine 203 .

[0045] The outer wall of the screening cylinder 101 is also fixedly connected with a longitudinal slide rail 505 , on w...

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PUM

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Abstract

The invention relates to the technical field of mechanical casting tool devices, and particularly relates to a molding sand dispersing and screening device for mechanical casting. According to the molding sand dispersing and screening device for mechanical casting, the electric push rod stretches out and draws back to drive the hopper to move, and the discharging position of the discharging pipe is changed; meanwhile, a discharging assembly is arranged, a first gear moves along with a hopper and is meshed with a fixed rack so that a connecting shaft is driven to drive a rotating disc to rotate, therefore, along with rotation of the rotating disc, a through hole and an outlet in the bottom end of a discharging pipe intermittently coincide, discharging is achieved, and therefore molding sand falls on a screen in a dispersed mode and is prevented from being accumulated at a certain position of the screen in a concentrated mode; in addition, based on transmission, through movement of the hopper and cooperation of a pull rope, a rack, a gear and the like, a cam below the screen rotates and acts on the screen, the screen vibrates up and down, and therefore screening is accelerated.

Description

technical field [0001] The invention relates to the technical field of mechanical casting equipment, and relates to a molding sand dispersion and screening device for mechanical casting. Background technique [0002] Casting is a method of manufacturing metal castings with a certain shape and performance requirements obtained by pouring, injecting or sucking high-temperature molten liquid metal into the mold cavity, and waiting for it to solidify. Casting production belongs to thermal processing, and its production process includes: sand mixing, molding, melting, pouring and cleaning. [0003] Common mold materials are raw sand, clay, water glass, resin and other auxiliary materials. For sand materials such as raw sand, screening is required. However, the feeding position of the molding sand in the existing device is fixed, so it is easy to concentrate and accumulate in a certain place of the screen, resulting in the problem of low screening efficiency. [0004] Therefore...

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 黄超
Owner 含山县天宇机械铸造厂
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