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Method and system for controlling thickness of sand mold of piston ring three-station molding machine

A thickness control, three-station technology, applied in the direction of molding machine, digital control, casting molding equipment, etc., to achieve the effect of low cost, high pass rate, and ingenious design

Inactive Publication Date: 2012-08-01
CMCU ENG
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  • Claims
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Problems solved by technology

[0004] But at present, there is no method for sand mold thickness control of piston ring three-station molding machine dedicated to sand mold thickness adjustment, so it is necessary to design a control piston ring three-station molding machine sand thickness control dedicated to sand mold thickness adjustment method

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  • Method and system for controlling thickness of sand mold of piston ring three-station molding machine
  • Method and system for controlling thickness of sand mold of piston ring three-station molding machine
  • Method and system for controlling thickness of sand mold of piston ring three-station molding machine

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Embodiment Construction

[0027] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.

[0028] In order to solve the problem of automatic adjustment of sand mold thickness, the core is to solve how to make the pre-lifting position of the compaction table automatically adjust with the change of the composition of the molding sand. Slow or small changes in the composition of the molding sand should have sufficient adaptive capacity. In view of this design idea, the sand mold thickness control method of the three-station piston ring molding machine of the present invention includes the following steps:

[0029] Step 1: In the process of making the sand mold, judge the thickness of the pressed sand mold as "too thick" or "too thin" by detecting the lifting r...

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Abstract

The invention discloses a method and a system for controlling the thickness of a sand mold of a piston ring three-station molding machine. The method comprises the following steps of: 1, in the process of manufacturing the sand mold, detecting the lifting magnitude of a compaction platform to determine the thickness of the sand mold which is obtained by press molding; 2, transmitting a correction instruction to a lifting adjusting mechanism of the compaction platform by an equipment controller according to a determination result; and 3, adjusting a pre-lifting in-place position of the compaction platform in real time by the lifting adjusting mechanism of the compaction platform according to the correction instruction, and performing the manufacturing process of the next sand mold. The method is skillfully designed, and by the method, the automatic adjustment and control of the thickness of the sand mold can be realized through mutual cooperation of a few components, defects existing in the conventional production process are overcome, the yield of the sand molds is increased, and the cost for reconstruction of the whole system is low, so the method is suitable for popularization.

Description

technical field [0001] The invention relates to a method for controlling the sand mold thickness of a piston ring three-station molding machine, and also relates to a system capable of realizing the sand mold thickness control of a piston ring three-station molding machine. Background technique [0002] The three-station piston ring molding machine is the key equipment of the piston ring casting process, which is used to efficiently manufacture the sand molds required for casting piston rings. Starting from the pre-lifting of the compaction table with the formwork, the sand is placed on the formwork, the sand is placed, pressed, demoulded, and finally the sand mold is turned out, and it takes about 7 seconds to make a sand mold. In this process, the position of the pre-lifted compaction table determines the amount of sand on the template, that is, the thickness of the finished sand mold. The sand mold should not be too thick or too thin. If it is too thick, the sand consump...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C15/08G05B19/18
Inventor 李惕新汪华平陈晓渝
Owner CMCU ENG
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