Overlarge sieve plate leveling device and method

Abstract

The invention relates to a mechanical sieve leveling device and a mechanical sieve leveling method. The leveling device comprises a fixing rack and a sieve plate bracket; a transmission device comprises a transmission gearbox, a belt pulley and a gear; a rolling device comprises a main shaft and roller wheels; a pressure regulating device comprises a pressure regulating spring and a pressure regulating screw rod; a sieve plate is put on the sieve plate bracket; and a part required to be rolled is positioned by an adjustable sieve plate positioning baffle plate. The leveling method comprises the following steps that a pressure is exerted on a pair of roller wheels in relative movement through the pressure regulating device; the roller wheels are driven by the main shaft fixed on the fixing rack and the gear on the main shaft; the speed of the belt pulley is changed by a transmission gearbox of a power system, and after speed reduction and force increase, the belt pulley is driven; the roller wheels roll a part of the sieve plate required to be elongated; the part required to be rolled is positioned by the adjustable sieve plate positioning baffle plate; and when the roller wheels rotates relative to each other after pressure regulation, the sieve plate moves forward while being rolled, and through manual transposition, a punched part and an unpunched part of the sieve plate are equally elongated, so that an aim of flatting the sieve plate is achieved.

Description

technical field [0001] The invention relates to a leveling device and a leveling method for a machine sieve, in particular to a leveling device and a leveling method for a super-large sieve plate. Background technique [0002] In the field of modern industry, due to the specialization and large-scale production of enterprises, various screening and sieving machines are getting bigger and bigger, which requires the matching sieve plate to be bigger and bigger. In the process of making the sieve plate, the punch When punching holes on the steel plate, there are two types of force loads on the material from the upper and lower molds: 1. Shearing, 2. Extrusion. Due to the action of extrusion force, the part after punching in the middle of the sieve plate is stretched, and there is no punching around the sieve plate. The assembly part of the left edge is not stretched. Due to the different stretching of the two parts, there is a large deformation of the sieve plate, and the uneve...

AI Technical Summary

Problems solved by technology

[0002] In the field of modern industry, due to the specialization and large-scale production of enterprises, various screening and sieving machines are getting bigger and bigger, which requires the matching sieve plate to be bigger and bigger. In the process of making the sieve plate, the punch When punching holes on the steel plate, there are two kinds of force loads on the material from the upper and lower molds: 1. Shearing, 2. Extrusion. Due to the action of the extrusion force, the part after punching in the middle of the sieve plate is stretched, and there is no punching around the sieve plate. The assembly part of the left edge is not stretched. Due to the different stretching of the two parts, there is a large deformation of the sieve plate, and the unevenness of the sieve plate seriously affects the working efficiency of the screening machine. The method used in the existing processing technology is to manually use a hammer Beat the unpunched area around to make it elongated and leveled, but this method is time-consuming and labor-intensive, and the production efficiency is low, especially in the field of super-large sieve plates. The applicability is not strong

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