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Molding sand strength detection device

A technology of strength detection and molding sand

Active Publication Date: 2022-01-07
潍坊市凯隆机械有限公司
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  • Abstract
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Problems solved by technology

Therefore, the strength of the molding sand is directly related to the quality of the casting; therefore, it is necessary to test the strength of the molding sand, which solidifies the molding sand into a specific shape by sintering the molding sand, such as extrusion testing after a spherical test block, and testing the strength of the molding sand test block. The maximum extrusion force, this process requires the use of a sand strength testing device, but during the extrusion process of the compacted sand test piece, the test block is prone to splash after being stressed, and the splashed sand is easy to hit the staff, causing damage to the staff. harm
[0003] In summary, there are obviously inconveniences and defects in the actual use of the existing technology, so it is necessary to improve

Method used

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] see figure 1 , figure 2 , the present invention provides a molding sand strength detection device, including a die assembly arranged on the upper end surface of the equipment main body 1, the die assembly includes a fixed die 2 and a movable die 3, the fixed die 2 is fixedly connected to the equipment main body 1 The upper end surface on one side of the device main body 1 is slidingly connected to the movable die 3 in the left and right direction, that is, the movable die 3 can slide along the X direction, and the upper end face between the movable die 3 and the device main body 1 A first linear guide ra...

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Abstract

The invention is suitable for the technical field of material detection, and provides a molding sand strength detection device, which comprises a mold pressing assembly arranged on an equipment body, the mold pressing assembly comprises a fixed pressing die fixedly connected with one side of the equipment body and a movable pressing die slidably connected with the other side of the equipment body, a dustproof mechanism is arranged on the movable pressing die, the movable pressing die is slidably connected with a second connecting plate in the left-right direction, and a fourth elastic piece is arranged between the second connecting plate and the movable pressing die. The second connecting plate is fixedly connected with a sliding driving part for driving the second connecting plate to move, and a pressure sensor is arranged between the second connecting plate and the movable pressing die and movably contacts with the movable pressing die. By arranging the dustproof mechanism, the dustproof sliding plate is preferentially in a closed state when the mold pressing assembly is closed, and the problem that broken stones generated when the mold pressing assembly extrudes a molding sand test block are splashed out of the detection device, and consequently workers are injured is solved.

Description

technical field [0001] The invention relates to the technical field of material detection, in particular to a molding sand strength detection device. Background technique [0002] Molding sand is one of the essential materials in the casting process. After being heated, the molding sand is prone to compaction and deformation, which will damage the surface of the casting. Therefore, the molding sand must have a high enough strength to prevent it from collapsing during molding, handling, and box closing. It will not damage the mold surface. The strength of the molding sand should not be too high, otherwise the casting will be defective due to the decrease of air permeability and yield. Therefore, the strength of the molding sand is directly related to the quality of the casting; therefore, it is necessary to test the strength of the molding sand, which solidifies the molding sand into a specific shape by sintering the molding sand, such as extrusion testing after a spherical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12G01N3/02
CPCG01N3/12G01N3/02
Inventor 赵海鹏李宝贵李坤
Owner 潍坊市凯隆机械有限公司
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