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Continuous sand mixer

A technology of sand mixer and machine base, which is applied in the direction of cleaning/processing machinery for casting materials, casting molding equipment, metal processing equipment, etc., can solve the problems of low production efficiency and poor sand mixing effect, and improve production efficiency. , the effect of saving floor space and shortening the production cycle

Active Publication Date: 2010-01-20
常州市通力机电设备制造有限公司
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a continuous sand mixer to solve the problems of low production efficiency and poor sand mixing effect of the currently used sand mixer

Method used

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Embodiment Construction

[0019] The present invention will be further described now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0020] Such as figure 1 figure 2 The continuous sand mixer shown includes a base 1, a belt conveyor 2 and a screw conveyor 3, the base 1 is provided with a first rotary device 4, and the sand inlet 21 of the belt conveyor 2 is connected to the first rotary The device 4 is rotated and connected, the discharge port of the belt conveyor 2 is connected to the feed port of the screw conveyor 3, the lifting cylinder 5 is fixed on the first rotary device 4, and four connecting cylinders are arranged between the lifting cylinder 5 and the belt conveyor 2. The rod assembly 6, the middle position of the four-bar linkage assembly 6 is fixedly connected with the piston rod of...

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Abstract

The invention discloses a continuous sand mixer which comprises a mixer base, a belt conveyer and a spiral conveyer connected with the belt conveyer, wherein the mixer base is provided with a first rotator which is provided with a lifting cylinder, the lifting cylinder pushes the belt conveyer and the spiral conveyer to vertically lift, a conveying shaft of the spiral conveyer is sequentially provided with a conveying section fixed with a spiral blade, a first mixing conveying section fixed with advancing cutter bars, and a second mixing conveying section from a material inlet end to a sand outlet end, wherein the second mixing conveying section is fixed with advancing cutter bars with same distribution as the advancing cutter bars on the first mixing conveying section, and is fixed with return cutter bars behind every two advancing cutter bars. Casting sand is conveyed to the spiral conveyer by the belt conveyer and is output from a sand outlet of the spiral conveyer after being fully mixed by the spiral conveyer. The invention effectively solves the problem of low production efficiency and poor sand mixing effect of the prior sand mixer, realizes the full mixing of the casting sand, and has compact and attractive structure, high use reliability and wide application range.

Description

technical field [0001] The invention relates to a continuous sand mixer for mixing self-hardening resin sand used for molding in the foundry industry. Background technique [0002] With the rapid development of my country's foundry industry, the traditional casting process has been gradually eliminated, and the new and environmentally friendly advanced casting process has been gradually formed and widely used. The sand mixer is an important equipment in the foundry process. Only by fully mixing the no-hardening resin sand can the quality of the mold be guaranteed and castings that meet the requirements can be produced. However, such mixers commonly used in the foundry industry in the past are all Using the ordinary screw conveying method, not only the mixing effect is not ideal, but also the conveying capacity is low, and the usual productivity is only about 30% to 40%, which cannot meet the current production requirements of large castings, and the production process cannot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C5/04
Inventor 江涛金方山王平张顺卿沈冬平王慧孙雅心
Owner 常州市通力机电设备制造有限公司
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