CN215464121U

CN215464121U - Powder feed arrangement for powder metallurgy

Info

Publication number: CN215464121U
Application number: CN202120204860.2U
Authority: CN
Inventors: 孔凡祥; 李保; 吴兴勇
Original assignee: Yangzhou Paide Powder Metallurgy Co ltd
Current assignee: Yangzhou Paide Powder Metallurgy Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2022-01-11
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to the technical field of powder feeding devices, in particular to a powder feeding device for powder metallurgy, which comprises a hopper, wherein a storage rack is arranged on the outer wall of the hopper, a hand hole is formed in the surface of the storage rack, a material guide plate is arranged on the top surface of a bottom plate of the storage rack, a material conveying pipe is inserted into the bottom plate of the storage rack and penetrates through the hopper, a control check valve is arranged on the surface of the material conveying pipe, a material guide frame is arranged on the inner wall of the hopper, a sealing plate is arranged at the top of the hopper, and a sealing bearing is arranged at an inner annular opening of the sealing plate; the beneficial effects are that: according to the powder feeding device for powder metallurgy, the surface of the sealing plate is connected with the rotating handle through the sealing bearing, the traction columns are arranged in the telescopic grooves on the two sides of the rotating handle and are elastically pulled by the spring, the rotating handle is rotated in such a way to drive the contact to sequentially pass through the plurality of limiting blocks, so that the contact can knock the inner wall of the hopper for multiple times, and the material adhered to the inner wall of the hopper is vibrated down.

Description

Powder feed arrangement for powder metallurgy

Technical Field

The utility model relates to the technical field of powder feeding devices, in particular to a powder feeding device for powder metallurgy.

Background

The broad powder metallurgy industry encompasses ferrous tools, cemented carbides, magnetic materials, and powder metallurgy, among others. The powder metallurgy product industry in a narrow sense only refers to powder metallurgy products, including powder metallurgy parts (the majority), oil-retaining bearings, metal injection molding products and the like; the production process of the powder comprises the steps of preparing the powder, mixing the powder and the like. In order to improve the moldability and plasticity of the powder, a plasticizer such as an engine oil, rubber or paraffin is usually added.

In the prior art, after powder is fed into a mixing device through a hopper, the hopper is often blocked in order to avoid the powder from flying outwards, but when an additive is added into the mixing device, the blocking device needs to be opened, so that the flying dust in the mixing device is scattered; therefore, the utility model provides a powder feeding device for powder metallurgy, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a powder feeding device for powder metallurgy, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a powder feed arrangement for powder metallurgy, which comprises a hopper, the outer wall of hopper is provided with the storage frame, the surface of storage frame is provided with the hand hole, the bottom plate top surface of storage frame is provided with the stock guide, it has the conveying pipeline to peg graft on the bottom plate of storage frame, the conveying pipeline runs through the hopper, the surface of conveying pipeline is provided with the control check valve, the inner wall of hopper is provided with the stock guide, the top of hopper is provided with the shrouding, the inner ring mouth of shrouding is provided with sealed bearing, the outside at the turning handle is established to sealed bearing cover, flexible groove has been seted up on the surface of turning handle, flexible groove's inside is pegged graft and is had the traction column, the tip of traction column is provided with the contact, the outside cover of traction column is equipped with fender ring and spring, keep off the ring and fix the surface at flexible groove, the inner wall of hopper is provided with the stopper.

Preferably, the hopper is round platform shape frame structure, and the storage frame is trapezoidal frame structure, and the storage frame is provided with a plurality ofly, and the equidimension such as a plurality of storage frames equidistance is arranged along the outer anchor ring of hopper and is distributed.

Preferably, the material guide plate is in a triangular prism structure, the material conveying pipe is in a Z-shaped circular pipe structure, and the control check valve is positioned on the outer side of the hopper.

Preferably, the guide frame is "protruding" font annular frame structure, and the top surface of guide frame is from outer loop to inner ring downward sloping, and the shrouding is "protruding" font plectane structure, and the surface of shrouding is provided with the external screw thread, and the inner wall of hopper is provided with the internal thread, and the top surface of shrouding is provided with the handle.

Preferably, the hopper is of an I-shaped structure, the two groups of telescopic grooves are arranged, the two groups of telescopic grooves are distributed about the rotating handle, the traction column is of a T-shaped cylinder structure, and the spring is located between the end plate body of the traction column and the baffle ring.

Preferably, the contact is the ellipsoid structure, and the convex cylinder structure of stopper, stopper are provided with a plurality ofly, and a plurality of stoppers equidistance equidimension are arranged along the interior anchor ring of hopper and are distributed.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the powder feeding device for powder metallurgy, the surface of the sealing plate is connected with the rotating handle through the sealing bearing, the telescopic grooves on the two sides of the rotating handle are provided with the traction columns, the traction columns are elastically pulled by the spring, the rotating handle is rotated in such a way to drive the contact to sequentially pass through the plurality of limiting blocks, so that the contact knocks the inner wall of the hopper for multiple times, and the material adhered to the inner wall of the hopper is vibrated down;

2. according to the powder feeding device for powder metallurgy, the storage rack is additionally arranged on the outer side of the hopper, additives are stored in the storage rack, the additives can be fed into the hopper through the material conveying pipe by opening the control check valve, and the phenomenon that dust in the mixing device is scattered when the additives are fed is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: hopper 1, storage frame 2, hand hole 3, stock guide 4, conveying pipeline 5, control check valve 6, stock guide 7, shrouding 8, sealed bearing 9, rotation handle 10, telescopic slot 11, pull post 12, contact 13, fender ring 14, spring 15, stopper 16.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a powder feeding device for powder metallurgy comprises a hopper 1, wherein a storage frame 2 is arranged on the outer wall of the hopper 1, the hopper 1 is of a circular truncated cone frame structure, the storage frame 2 is of a trapezoidal frame structure, the storage frame 2 is provided with a plurality of storage frames, the plurality of storage frames 2 are arranged along the outer ring surface of the hopper 1 in equal size at equal intervals, hand holes 3 are formed in the surface of each storage frame 2, a material guide plate 4 is arranged on the top surface of the bottom plate of each storage frame 2, a material conveying pipe 5 is inserted into the bottom plate of each storage frame 2, the material conveying pipe 5 penetrates through the hopper 1, a control check valve 6 is arranged on the surface of each material conveying pipe 5, each material guide plate 4 is of a triangular prism structure, each material conveying pipe 5 is of a Z-shaped circular pipe structure, and the control check valve 6 is positioned on the outer side of the hopper 1;

the inner wall of the hopper 1 is provided with a material guide frame 7, the top of the hopper 1 is provided with a sealing plate 8, the material guide frame 7 is of a convex annular frame structure, the top surface of the material guide frame 7 inclines downwards from an outer ring to an inner ring, the sealing plate 8 is of a convex circular plate structure, the surface of the sealing plate 8 is provided with an external thread, the inner wall of the hopper 1 is provided with an internal thread, the top surface of the sealing plate 8 is provided with a handle, the inner annular opening of the sealing plate 8 is provided with a sealing bearing 9, the sealing bearing 9 is sleeved on the outer side of a rotating handle 10, the surface of the rotating handle 10 is provided with a telescopic groove 11, a traction column 12 is inserted inside the telescopic groove 11, the end part of the traction column 12 is provided with a contact 13, the outer side of the traction column 12 is sleeved with a baffle ring 14 and a spring 15, the hopper 1 is of an I-shaped structure, the telescopic grooves 11 are provided with two groups, the two groups of telescopic grooves 11 are distributed relative to the rotating handle 10, the traction column 12 is of a T-shaped structure, the spring 15 is located and draws between the tip plate body of post 12 and fender ring 14, keeps off ring 14 and fixes on the surface of flexible groove 11, and the inner wall of hopper 1 is provided with stopper 16, and contact 13 is the elliptical ball structure, stopper 16 arc cylinder structure, and stopper 16 is provided with a plurality ofly, and a plurality of stoppers 16 equidistance equidimension are arranged along the interior anchor ring of hopper 1 and are distributed.

The working principle is as follows: during practical use, hopper 1 installs at mixing arrangement's top, throw the powder to mixing arrangement inside through hopper 1, after throwing the material, twist the closure with shrouding 8 and revolve the open-top department at hopper 1, rotate and rotate handle 10, pull post 12 by spring 15 elastic traction along telescopic groove 11 horizontal slip, it rotates the in-process to rotate handle 10, pull post 12 along telescopic groove 11 reciprocal slip drive moving contact 13 and cross the stopper 16 resilience many times, so realize that contact 13 strikes the inner wall of hopper 1 many times, the material of hopper 1 inner wall adhesion is shaken off, open control check valve 6 and can be through conveying pipeline 5 to the inside additive of hopper 1, open hand hole 3 and can be to the inside feed supplement of storage frame 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder feed arrangement for powder metallurgy, includes hopper (1), its characterized in that: the outer wall of the hopper (1) is provided with a storage rack (2), the surface of the storage rack (2) is provided with a hand hole (3), the top surface of the bottom plate of the storage rack (2) is provided with a guide plate (4), a feed delivery pipe (5) is inserted on the bottom plate of the storage rack (2), the feed delivery pipe (5) penetrates through the hopper (1), the surface of the feed delivery pipe (5) is provided with a control check valve (6), the inner wall of the hopper (1) is provided with a guide frame (7), the top of the hopper (1) is provided with a sealing plate (8), the inner ring opening of the sealing plate (8) is provided with a sealing bearing (9), the sealing bearing (9) is sleeved on the outer side of the rotating handle (10), the surface of the rotating handle (10) is provided with a telescopic groove (11), the inner part of the telescopic groove (11) is inserted with a traction column (12), the end part of the traction column (12) is provided with a contact (13), the outer side of the traction column (12) is sleeved with a retaining ring (14) and a spring (15), the baffle ring (14) is fixed on the surface of the telescopic groove (11), and the inner wall of the hopper (1) is provided with a limiting block (16).

2. The powder feeding device for powder metallurgy according to claim 1, wherein: hopper (1) are round platform shape frame structure, and storage frame (2) are trapezoidal frame structure, and storage frame (2) are provided with a plurality ofly, and a plurality of storage frames (2) equidistance equidimension are arranged along the outer anchor ring of hopper (1) and are distributed.

3. The powder feeding device for powder metallurgy according to claim 1, wherein: the material guide plate (4) is in a triangular prism structure, the material conveying pipe (5) is in a Z-shaped circular pipe structure, and the control check valve (6) is positioned on the outer side of the hopper (1).

4. The powder feeding device for powder metallurgy according to claim 1, wherein: guide frame (7) are "protruding" font annular frame structure, and the top surface of guide frame (7) is from outer loop to inner ring downward sloping, and shrouding (8) are "protruding" font plectane structure, and the surface of shrouding (8) is provided with the external screw thread, and the inner wall of hopper (1) is provided with the internal thread, and the top surface of shrouding (8) is provided with the handle.

5. The powder feeding device for powder metallurgy according to claim 1, wherein: the hopper (1) is of an I-shaped structure, two groups of telescopic grooves (11) are arranged, the two groups of telescopic grooves (11) are distributed about the rotating handle (10), the traction column (12) is of a T-shaped cylinder structure, and the spring (15) is arranged between the end plate body of the traction column (12) and the retaining ring (14).

6. The powder feeding device for powder metallurgy according to claim 1, wherein: the contact (13) is of an oval ball structure, the limiting blocks (16) are of circular arc cylinder structures, the limiting blocks (16) are arranged in a plurality of numbers, and the limiting blocks (16) are arranged along the inner annular surface of the hopper (1) at equal intervals and in equal size.