JPH0454595U

JPH0454595U -

Info

Publication number: JPH0454595U
Application number: JP9684690U
Authority: JP
Priority date: 1990-09-13
Filing date: 1990-09-13
Publication date: 1992-05-11

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例の粉末成形装置に
使用する箱状フイーダを示し、第１図ａは箱状フ
イーダの正面断面図を示し、第１図ｂは第１図ａ
のＸＹ面断面図を示す。第１図ｃは、第１図ａに
示す箱状フイーダ側面断面図を示す。第２図は、
従来の粉末成形装置の一例に使用する箱状フイー
ダを示し、第２図ａはその正面断面図を示し、第
２図ｂは第２図ａのＸＹ面断面図を示し、第２図
ｃは第１図ａに示す箱状フイーダ側面断面図を示
す。１……箱状フイーダ、２……上蓋、３……粉末
供給用開口部、４……下端開口部、５……ダイス
穴、６……粉末輸送用パイプ、５１……中央部の
ダイス穴、５２……端部のダイス穴、Ｑ_１……中
心部のダイス穴への粉末流量、Ｑ_２……端部のダ
イス穴への粉末流量、ａ……開口部の円弧の中心
距離。 FIG. 1 shows a box-shaped feeder used in a powder compacting apparatus according to an embodiment of the present invention, FIG. 1a shows a front sectional view of the box-shaped feeder, and FIG.
An XY plane cross-sectional view is shown. FIG. 1c shows a side sectional view of the box-shaped feeder shown in FIG. 1a. Figure 2 shows
A box-shaped feeder used in an example of a conventional powder compacting device is shown, FIG. 2a shows a front sectional view thereof, FIG. 2b shows an XY plane sectional view of FIG. Fig. 1a shows a side cross-sectional view of the box-like feeder shown in Fig. 1a; DESCRIPTION OF SYMBOLS 1... Box-shaped feeder, 2... Top lid, 3... Opening for powder supply, 4... Lower end opening, 5... Dice hole, 6... Pipe for powder transportation, 51... Dice hole in the center. , 52...Dice hole at the end, _Q1 ...Powder flow rate to the die hole at the center, _Q2 ...Powder flow rate to the die hole at the end, a...Center distance of the arc of the opening.

Claims

[Scope of utility model registration request]

In a powder compacting device that combines a pressure system with an upper punch, a lower punch, a die, and a feeder to form a green compact, the shape of the opening at the bottom of the box-shaped feeder that supplies raw powder to the die causes the reciprocating movement of the feeder. 1. A powder compacting device comprising a box-shaped feeder having an oval shape with a major axis in the direction of , and a box-like feeder arranged in a row in the horizontal direction as many times as the number of compacts to be formed by the die.