CN110918983A

CN110918983A - Metal powder metallurgy charging equipment

Info

Publication number: CN110918983A
Application number: CN201911328881.9A
Authority: CN
Inventors: 闫冰
Original assignee: Shaanxi Elade New Material Technology Co Ltd
Current assignee: Shaanxi Elade New Material Technology Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-03-27

Abstract

The invention discloses metal powder metallurgy feeding equipment which comprises a discharging hopper, wherein a limiting ring is fixedly connected to the bottom end of the discharging hopper, a discharging roller is rotatably connected in the limiting ring, and four fixing rods are symmetrically and fixedly connected to the inner side wall of the discharging hopper. According to the invention, the motor can drive the blanking roller to rotate, so that metal powder at each position in the blanking hopper can be smoothly blanked along the blanking hole, the problem of blanking dead angles is avoided, the rotating blanking roller is matched with the crushing roller to crush clumped powder blocks in the metal powder to restore the clumped powder blocks into powder again, and a crushing cavity with a smaller and smaller interval is formed between the blanking roller and the crushing roller, so that the powder blocks coagulated by the metal powder can be finely ground gradually, the upper lug and the lower lug are utilized to further improve the crushing speed of the powder blocks coagulated by the metal powder, and the efficiency of crushing work is further improved.

Description

Metal powder metallurgy charging equipment

Technical Field

The invention relates to the technical field of powder metallurgy, in particular to metal powder metallurgy feeding equipment.

Background

Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various products by preparing metal powder or using the metal powder as a raw material and forming and sintering the metal powder. The powder metallurgy method has similar places to the production of ceramics, and belongs to the powder sintering technology. Before metal powder metallurgy is carried out, metal powder needs to be conveyed into metallurgical equipment by virtue of a feeding device.

The existing metal powder metallurgy feeding is generally that metal powder at a lower part is directly conveyed to a higher part by using an auger elevator, and then the metal powder is fed into metallurgical equipment through a feeding pipe, because the metal powder is easy to generate a clotting phenomenon in the storage process, if the feeding work is directly carried out by using the auger elevator, the clotting metal powder block easily causes severe abrasion of the auger, the noise generated in the conveying process is large, and in addition, the clotting metal powder block can influence the quality of metallurgical products.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the existing metal powder metallurgy feeding is generally that metal powder at a lower part is directly conveyed to a higher part by using an auger elevator, and then the metal powder is fed into metallurgical equipment through a feeding pipe, because the metal powder is easy to generate a clotting phenomenon in the storage process, if the feeding work is directly carried out by using the auger elevator, the clotting metal powder block easily causes severe abrasion of the auger, the noise generated in the conveying process is large, and in addition, the clotting metal powder block can influence the quality of metallurgical products.

In order to achieve the purpose, the invention adopts the following technical scheme:

a metal powder metallurgy feeding device comprises a discharging hopper, a limiting ring is fixedly connected to the bottom end of the discharging hopper, a discharging roller is rotationally connected in the limiting ring, four fixing rods are symmetrically and fixedly connected on the inner side wall of the discharging hopper, a motor is fixedly connected on one end of each fixing rod far away from the discharging hopper, the output end of the motor is fixedly connected with a transmission shaft, the bottom end of the transmission shaft is fixedly connected with the center of the upper end surface of the blanking roller, two blanking holes are symmetrically arranged on the blanking roller, a crushing hopper is fixedly connected on the outer side wall of the blanking hopper, four support rods are symmetrically and fixedly connected on the inner side wall of the crushing hopper, one ends of the four support rods far away from the crushing hopper are fixedly connected with crushing rollers, the crushing roller is positioned under the blanking hole, and the bottom end of the crushing hopper is provided with an auger elevator body.

Preferably, one end of the motor far away from the transmission shaft is fixedly connected with a top cover.

Preferably, the blanking holes are arranged in a converging manner from top to bottom.

Preferably, the bottom lateral wall in unloading hole is the toper setting of indent formula, the one end that crushing roller is close to the unloading hole is the setting of evagination formula toper, the conical slope of crushing roller up end is less than the conical slope of unloading hole bottom lateral wall.

Preferably, a plurality of upper lugs are symmetrically and fixedly connected to the bottom side wall of the blanking hole, a plurality of lower lugs are symmetrically and fixedly connected to the upper end face of the crushing roller, and the upper lugs and the lower lugs are arranged in a staggered mode.

The invention has the beneficial effects that:

1. the starter motor, the output of motor passes through the transmission shaft and drives the unloading roller rotatory to make the metal powder that lies in each department in the hopper down can both follow the unloading of unloading hole smoothly, do not have the problem at unloading dead angle, from the metal powder unloading of unloading hole department to the unloading roller and smash between the roller, thereby utilize rotatory unloading roller, the roller is smashed in the cooperation, smashes the powder piece of coagulum in the metal powder, makes it resume powdered again.

2. Because the crushing chamber that has formed an interval littleer and more between unloading roller and the crushing roller, consequently can carry out progressive careful grinding to the powder piece that metal powder condenses into to smash it, and utilize upper convex block and lower convex block, further promote the crushing speed to the powder piece that metal powder condenses into, and then improve the efficiency of crushing work.

Drawings

FIG. 1 is a cross-sectional view of the internal structure of a metal powder metallurgy feeding device according to the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1;

fig. 3 is a schematic front structural view of a metal powder metallurgy loading device according to the present invention.

In the figure: the device comprises a hopper 1, a limiting ring 2, a blanking roller 3, a fixing rod 4, a motor 5, a transmission shaft 6, a top cover 7, a blanking hole 8, a crushing hopper 9, a support rod 10, a crushing roller 11, an upper lug 12, a lower lug 13 and a packing auger elevator body 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a metallurgical charging equipment of metal powder, including hopper 1 down, fixedly connected with spacing ring 2 on the bottom of hopper 1 down, the internal rotation of spacing ring 2 is connected with unloading roller 3, four dead levers 4 of symmetry fixedly connected with on the inside wall of hopper 1 down, four dead levers 4 keep away from down hopper 1 serve equal fixedly connected with motor 5, fixedly connected with transmission shaft 6 on motor 5's the output, the bottom fixed connection of transmission shaft 6 is in the center department of unloading roller 3 up end, motor 5 keeps away from one of transmission shaft 6 and serves fixedly connected with overhead guard 7.

Prevent to fall metal powder occasionally and pile up the condition in motor 5 top in hopper 1 down and appear, the symmetry is equipped with two unloading holes 8 on unloading roller 3, unloading hole 8 is from top to bottom and receives the form setting, it sets up to be to receive the form, can be in the time of keeping great unloading hole 8 drill way, restriction metal powder's unloading speed, thereby prevent that disposable unloading is too many and influence the quality of smashing the operation, fixedly connected with smashes fill 9 on the lateral wall of lower hopper 1, four bracing pieces of symmetrical fixedly connected with 10 on the inside wall of smashing fill 9.

Four bracing pieces 10 keep away from one of smashing fill 9 and serve equal fixedly connected with crushing roller 11, crushing roller 11 is located unloading hole 8 under, starting motor 5, motor 5's output passes through transmission shaft 6 and drives unloading roller 3 rotatory, thereby make the metal powder that is located each department in hopper 1 down can both follow unloading hole 8 unloading smoothly, do not have the problem at unloading dead angle, metal powder unloading from unloading hole 8 department unloading is to between unloading roller 3 and the crushing roller 11, thereby utilize rotatory unloading roller 3, cooperation crushing roller 11, smash the powder piece of clot in the metal powder, make it resume powdered again.

The bottom side wall of unloading hole 8 is the toper setting of indent formula, and the one end that smashes roller 11 and be close to unloading hole 8 is the setting of evagination formula toper, and the toper slope of 11 up end of crushing roller is less than the toper slope of 8 bottom side walls of unloading hole, and this kind of mode of setting can make unloading roller 3 and smash and form the crushing chamber of an interval littleer and more between the roller 11 to can carry out the careful grinding of gradual to the powder piece that metal powder condenses into, thereby smash it.

The symmetrical fixedly connected with a plurality of upper convex blocks 12 are arranged on the bottom side wall of the blanking hole 8, the symmetrical fixedly connected with a plurality of lower convex blocks 13 are arranged on the upper end surface of the crushing roller 11, the upper convex blocks 12 and the lower convex blocks 13 are arranged in a staggered mode, the crushing speed of powder blocks formed by condensing metal powder is further increased, the efficiency of crushing work is further improved, the bottom end of the crushing hopper 9 is provided with an auger elevator body 14, and the metal powder after being crushed and ground is conveyed to the metallurgical equipment by the auger elevator body 14.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The metal powder metallurgy feeding equipment comprises a feeding hopper (1) and is characterized in that a limiting ring (2) is fixedly connected to the bottom end of the feeding hopper (1), a feeding roller (3) is rotationally connected to the limiting ring (2), four fixing rods (4) are symmetrically and fixedly connected to the inner side wall of the feeding hopper (1), a motor (5) is fixedly connected to one end, far away from the feeding hopper (1), of each fixing rod (4), a transmission shaft (6) is fixedly connected to the output end of the motor (5), the bottom end of the transmission shaft (6) is fixedly connected to the center of the upper end face of the feeding roller (3), two feeding holes (8) are symmetrically formed in the feeding roller (3), a crushing hopper (9) is fixedly connected to the outer side wall of the feeding hopper (1), and four support rods (10) are symmetrically and fixedly connected to the inner side wall of the crushing hopper (9), four equal fixedly connected with crushing roller (11) is served in one of smashing fill (9) is kept away from in bracing piece (10), crushing roller (11) are located unloading hole (8) under, the bottom of smashing fill (9) is equipped with auger lifting machine body (14).

2. A metal powder metallurgical charging installation according to claim 1, characterized in that a top cover (7) is fixedly connected to the end of the motor (5) remote from the drive shaft (6).

3. A metal powder metallurgy loading apparatus according to claim 1, wherein the blanking holes (8) are arranged in a converging manner from top to bottom.

4. A metal powder metallurgy feeding device according to claim 1, wherein the bottom side wall of the blanking hole (8) is in a concave conical arrangement, one end of the crushing roller (11) close to the blanking hole (8) is in a convex conical arrangement, and the gradient of the conical shape of the upper end surface of the crushing roller (11) is smaller than that of the conical shape of the bottom side wall of the blanking hole (8).

5. The metal powder metallurgy feeding device according to claim 1, wherein a plurality of upper lugs (12) are symmetrically and fixedly connected to the bottom side wall of the feeding hole (8), a plurality of lower lugs (13) are symmetrically and fixedly connected to the upper end surface of the crushing roller (11), and the upper lugs (12) and the lower lugs (13) are arranged in a staggered manner.