A collecting tank device for improving the forming strength of powder pressing balls
A technology of pressure ball forming and collecting tank, which is applied in the direction of material forming presses, presses, manufacturing tools, etc., can solve the problems of reducing the driving force of the pressure roller, reducing the pressing force of the pressure roller, and the inconvenience of forming a ball. Achieve the effect of reducing the contact area, reducing the friction effect, and reducing the sudden change
Active Publication Date: 2021-01-05
王力
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Problems solved by technology
[0005] In order to solve the above-mentioned problems existing in the prior art, the object of the present invention is to provide a collection tank device for improving the forming strength of powder briquettes, which can effectively Increase the strength of the pressed ball, or in the case of inconvenient to ensure the strength of the ball, appropriately reduce the pressing force of the pressure roller, and correspondingly reduce the driving force of the pressure roller
Method used
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Embodiment 1
[0028] The basic structure of the existing ball pressing machine is as follows: figure 1 As shown, the pre-pressing screw for conveying powder materials is installed in the hopper seat, and the two pressing rollers driven by the double output shaft of the reducer and the coupling rotate in opposite directions, and one of the two pressing rollers presses The roller is a fixed pressure roller, and the other pressure roller is a movable pressure roller. It also includes an oil cylinder group acting on the movable pressure roller to provide a constant pressing force. By providing a constant pressing force to the movable pressing roller, the fixed pressing roller and The pre-compressed material between the movable pressing rollers is compacted into balls. When the hopper on the upper part of the pre-pressing screw is filled with powder, the pre-pressing screw rotates to transport the powder to the two counter-rotating and Between the gaps of the pressure rollers with ball sockets o...
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The invention belongs to the technical field of powder-to-ball pressing, and discloses a collecting groove device for improving the powder-to-ball pressing forming strength. The device comprises collecting groove, a hopper base and a pre-pressing screw for conveying powder, and further comprises two pressing rollers. The pre-pressing screw is mounted on the hopper base, the collecting groove is arranged at the bottom end of the hopper base, a material channel inside the collecting groove forms a conical channel which is gradually converged, and the outer side of the lower end of the collectinggroove is in fit with the roller faces of the pressing rollers. By providing constant pressing force for the movable pressing roller, powder between the fixed pressing roller and the movable pressingroller is pressed into balls. By applying the collecting groove device, the contact length and contact area between pre-compressed materials and the roller faces of the pressing rollers are reduced,the average pressure intensity of the contact area between the materials and the roller faces is remarkably improved without increasing thrust of an oil cylinder, and the forming strength of finally-pressed ball blocks is obviously improved.
Description
technical field [0001] The invention belongs to the technical field of powder briquettes, and in particular relates to a collecting tank device for improving the forming strength of powder briquettes. Background technique [0002] The idea of the present invention comes from the production process in which coal powder and lime powder are pressed into balls or blocks after passing through a ball pressing machine. At the same time, it is also used in the production process of similar powder and granular materials to be pressed into balls or other block materials through a briquetting machine or a structure similar to a briquetting machine. [0003] The principle of the existing briquetting machine for dry coal powder and lime powder briquetting under the condition of no binder is as follows: the screw feed is used to pre-pressurize, and the pressurized mixed powder material is transported to the two clamps. Between the pressure rollers with ball sockets, there are baffles o...
Claims
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IPC IPC(8): B30B11/16B30B15/30
CPCB30B11/16B30B15/308
Inventor 王力王春峰
Owner 王力