JPS594483B2 - Tetsukeinofun Matsuseizousouchi - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for producing powder from iron-based cutting waste.

Recently, metal powder forming has shown great growth mainly in the production of iron-based machine parts, but the manufacturing cost of iron powder is high and the quantity thereof is generally very small compared to molten material and is always in short supply. It is.

Also, recently it has become possible to mold oxidized materials such as cutting chips or coarse iron powder instead of using high-quality iron powder as in the past5.
A powerful technology has been developed. It is an object of the present invention to solve the problems of powder cost and quantity shortage by pulverizing cutting waste to use this new technology. Conventionally, representative crushers for crushing metals include a stamp mill shown in FIG. 3, a ball mill and a 10-mouth mill shown in FIG. 4. Flat-shaped materials such as cutting chips or sticky raw materials are difficult to crush even if they are hit from a stacked layer, and it takes time, the amount recovered is small, and the crushed powder particles may be crushed for a long time. Defects such as a tendency to become rounded and poor formability etc.15
It had many problems and was hardly ever put into practical use. The present invention aims to eliminate the drawbacks of the above-mentioned method of pulverizing cutting waste and to provide an apparatus for efficiently crushing and manufacturing cutting waste.

20 The principle of the method of crushing cutting waste in the present invention was established in the 1970s.
It is the same as Patent Application No. 14903.

To explain the drawings of the embodiment of the present invention, the chain 3
Attach magnets 4 at regular intervals like N-S-N-S as shown in FIG.
A separately installed electric motor 18, which has a magnetic conveyor-like structure and is hung between the driving chain sprocket 6 and the driven chain sprocket 7 supported on the motor 18, is installed between the pulley 20 attached to the electric motor 18 and the pulley 3022 attached to the sprocket 6. The magnet 4 repeats forward rotation in the direction of arrow D via the belt 23. A stainless steel plate 2 made of non-magnetic material is provided close to the upper part of the stainless steel plate 2, and a hopper 1 is provided on one side of the upper surface of the stainless steel plate 2. It is attracted by the magnet 4 and pulled out from the outlet of the hopper 1, passing between the stainless steel plate 2 and the magnetic guide 5 of the same width as the magnet 4 attached to the hopper 1, in the same direction of movement as shown by arrow B. One end is connected to the link 10 which has one end supported on the bracket 11 and the link 12 connected thereto so as to move back and forth, and the other end is rotated from the motor pulley 19 via the V-belt 21 pulley 28. A crankshaft 17 is supported by a bracket 27, and the crankshaft 17
A connecting plate 9 is provided which is connected to one end of a connecting rod 16 connected to the connecting rod 16 and connected to a link 14 further connected to the other end of the link 13 whose center is pivotally connected to the bracket 15.
A plurality of rollers 8 for crushing cutting chips are attached to each shaft 8''.
A shaft hole 8' larger than the shaft diameter is bored in the shaft, and the shafts are mounted side by side with some play (see the enlarged view shown in FIG. 2). Further, the link 12 is provided with an impact rod 2 for applying a light impact to the hopper 1 so that the cutting chips fall smoothly inside the hopper 1 and can be easily taken out each time the connecting plate 9 makes one reciprocation.
4 is attached. When the plurality of rollers 8 rotate back and forth on the non-magnetic stainless steel plate 2 as shown by the arrow C, their own weight causes the cutting waste A of the raw material sent by the magnet 4 to be transferred to the magnet 4. It has a structure in which it is successively crushed and pulverized in a columnar state along the lines of magnetic force between it and the roller 8.

Next, to explain the operation of the present invention, the electric motor 18 drives the pulley 19, the belt 21, and the pulley 28.
The crankshaft 17 is rotated via.

The connecting rod 16 of the crankshaft 17 reciprocates in accordance with the rotational diameter of the crankshaft of 1γ, and the link 13 swings. Therefore, the roller 8 reciprocates in the direction of arrow B via the link 14 and the connecting plate 9, and at the same time The roller 8 also rotates in the direction of arrow C. The chain 3 is moved by an electric motor 18 through a pulley 20, a belt 23, and a drive chain sprocket 6 in the direction of arrow D.
It is constantly rotating in the direction.

Further, an impact rod 24 screwed to the tip of the link 12 hits the hopper 11 once during each reciprocation of the roller 8 in the direction of arrow B, giving a light impact to the hopper 11. Due to this impact, the raw material in the hopper 1, which is the cutting chips, collapses into a partially shaved shape, that is, without forming a bridge, so that the cutting chips can be fed smoothly. The method of transferring and pulverizing the raw material scraps is that the raw material scraps put into the hopper 11 are attracted to the magnet 4 from the raw material outlet 1'', and as shown in FIG. When the raw material advances in the direction of arrow D between the rollers 8 and reaches the roller 8, it stands up in the shape of a frost column within the magnetic field of the roller 8 and the magnet 4, and is crushed by the weight of the roller 8.

The powder thus passed through the plurality of rollers 8 and pulverized is discharged from the grinding device by the magnet 4. The effect of the shaft hole 8' and shaft 87 of the roller 8 shown in FIG. 8
I've learned not to get excited. According to the present invention, the cutting chips hit the hopper 11 with the impact rod 24, and are smoothly taken out from the hopper 11 in appropriate amounts by the magnet 4, standing in the shape of a frost column in the magnetic field, and then moved by the roller 8 with a small amount of power. It is a product that can be ground in a single position, and is efficiently pulverized and produces no dust, which significantly improves productivity.

Furthermore, by increasing the length of the rollers and increasing the number and rows of rollers, it is possible to manufacture an apparatus suitable for production volume and fine pulverization according to the purpose.

[Brief explanation of drawings]

FIG. 1 is a side view of one embodiment of the present invention, and FIG. 2 is a partially detailed view of FIG. 1. FIG. 3 is a schematic diagram of a crushing section of a conventional stamp mill. FIG. 4 is a schematic diagram of a crushing section of a conventional ball mill and a rod mill. 1 is a hopper, 2 is a non-magnetic stainless steel plate, 3
is a chain, 4 is a magnet, 5 is a magnetic guide, 6 is a driving chain sprocket, 7 is a driven chain sprocket, 8 is a magnetic roller, 8' is a shaft hole, 9 is a connecting plate, 1
0 is a link, 11 is a bracket, 12, 13, 14 are links, 15 is a bracket, 16 is a connecting rod, 17 is a crankshaft, 18 is an electric motor, 19, 20 is a pulley, 21
is a belt, 22 is a pulley, 23 is a belt, 24 is an impact rod, 25, 26, 27 is a bracket, 28 is a pulley,
29 is kine, 30 is rice, 31 is raw material, 32 is cam, 3
3 is a drum, 34 is a driving roller, 35 is a ball or rod, 36 is a raw material, and A is a cutting waste of the raw material.

Claims (1)

[Claims] 1. In an iron-based powder manufacturing device, a conveyor is provided with magnets attached to the chain running in the direction of travel with the polarity alternately reversed at regular intervals, and a non-magnetic stainless steel plate is provided close to the top of the conveyor, A hopper is provided on the stainless steel plate on the original side in the traveling direction of the conveyor, and a magnetic guide is provided that protrudes from the upper part of the outlet at the lower end of the hopper in the traveling direction in parallel with the stainless steel plate, and from near the exit of the guide. A connecting plate is provided above and parallel to the stainless steel plate in the direction of travel and is driven reciprocatingly, and the shaft is fitted into the shaft hole of the connecting plate with a constant gap to roll on the stainless steel plate. An iron-based powder manufacturing device characterized by having a plurality of magnetic rollers lined up in the direction of movement, and an impact bar that protrudes from a connecting plate toward a hopper and applies a light impact to the hopper with each reciprocating motion. .