CN116705490A - Method and system for magnetizing and pressing magnetic powder in layered mode - Google Patents

Method and system for magnetizing and pressing magnetic powder in layered mode Download PDF

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Publication number
CN116705490A
CN116705490A CN202310789980.7A CN202310789980A CN116705490A CN 116705490 A CN116705490 A CN 116705490A CN 202310789980 A CN202310789980 A CN 202310789980A CN 116705490 A CN116705490 A CN 116705490A
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China
Prior art keywords
cylinder
fixedly connected
magnetic powder
die cavity
feeding hopper
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Pending
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CN202310789980.7A
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Chinese (zh)
Inventor
姜龙保
刘永奇
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Dongtai Dongbao Electromagnetic Material Technology Co ltd
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Dongtai Dongbao Electromagnetic Material Technology Co ltd
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Priority to CN202310789980.7A priority Critical patent/CN116705490A/en
Publication of CN116705490A publication Critical patent/CN116705490A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/004—Filling molds with powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B22F3/03—Press-moulding apparatus therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

The application relates to the technical field of compression molding systems, in particular to a method and a system for magnetizing and pressing magnetic powder in a layered mode, wherein the method comprises a guide rail, a first cylinder, a feeding hopper, a mounting rack, an outer die, an inner die, a supporting frame, a second cylinder, a connecting rod, a bearing ring and a pressing assembly; controlling a second cylinder to drive the bearing ring to move downwards for the first time through the connecting rod; controlling a first cylinder to drive a feeding hopper to move to the top of a die cavity for the first time, and driving the feeding hopper to be far away from the die cavity by a second cylinder after magnetic powder in the feeding hopper falls into the die cavity; repeating the steps until the die cavity is filled with the filled magnetic powder, and then pressing the magnetic powder in the die cavity by a pressing assembly to obtain a magnetic ring; according to the application, powder in the die cavity is uniformly filled by a layered feeding and strickling method, and the pressed magnetic ring finished product has better quality.

Description

Method and system for magnetizing and pressing magnetic powder in layered mode
Technical Field
The application relates to the technical field of compression molding systems, in particular to a method and a system for layered in-mold magnetizing and pressing of magnetic powder.
Background
Most of magnetic rings are formed by pressing magnetic powder in a die cavity, and are naturally piled up to form an arch pile when being poured into the die cavity due to small magnetic powder, large viscosity and poor fluidity, so that the magnetic powder is difficult to flatten to corners, the void ratio of the magnetic powder in the die cavity is increased, the magnetic powder is unevenly distributed in the die cavity, the density of a pressed product is inconsistent, a large processing allowance is reserved for the pressed product, and the magnetic orientation degree of the product is inconsistent, so that the performance of the magnet is influenced.
The prior art CN102489701A discloses a full-automatic magnetic powder molding press, in the full-automatic magnetic powder molding press, a quantitative feeding device is provided, a feeding cylinder connecting block is adopted to pull a feeding plate under a feeding box liner to move so as to realize quantitative feeding in a die cavity, but the feeding plate is still disposable feeding, the problem that the poor magnetic powder fluidity forms an arch pile in the die cavity and cannot be automatically flattened to corners is solved, so that the magnetic powder is unevenly distributed in the die cavity, and the quality of a finished product is influenced.
Disclosure of Invention
The application aims to provide a method and a system for magnetizing and pressing magnetic powder in a layered mode, which can avoid uneven distribution of the magnetic powder in a die cavity during production of a magnetic ring.
In order to achieve the above purpose, in a first aspect, the present application provides a system for magnetizing and pressing magnetic powder in a layered mode, which comprises a guide rail, a first cylinder, a feeding hopper, a mounting rack, an outer die, an inner die, a support frame, a second cylinder, a connecting rod, a receiving ring and a pressing assembly;
the first cylinder is fixedly connected with the guide rail and is positioned at the top of the guide rail; the feeding hopper is fixedly connected with the first cylinder output rod and is positioned at the side edge of the first cylinder; the mounting frame is fixedly connected with the guide rail and is positioned at the bottom of the guide rail; the outer die is fixedly connected with the mounting frame and is positioned at the side edge of the mounting frame; the inner die is fixedly connected with the mounting frame and is positioned at the inner side of the outer die; a die cavity is formed between the outer die and the inner die; the support frame is fixedly connected with the mounting frame and is positioned at the bottom of the mounting frame; the second air cylinder is fixedly connected with the support frame and is positioned at the side edge of the support frame; the connecting rod is fixedly connected with the output rod of the second cylinder and is positioned at the top of the second cylinder; the bearing ring is fixedly connected with the connecting rod and is positioned in the die cavity; the pressing assembly is arranged on the guide rail.
Wherein, the feeding hopper comprises a hopper body and a scraping component; the bucket body is fixedly connected with the first cylinder output rod and is positioned at the side edge of the first cylinder; the scraping component is fixedly connected with the bucket body and is positioned at the side edge of the bucket body.
Wherein the feeding hopper further comprises an agitating component; the stirring assembly is arranged inside the bucket body.
Wherein the feeding hopper further comprises a feeding pipe; the feeding pipe is fixedly connected and communicated with the bucket body and is positioned at the top of the bucket body.
Wherein, the stirring component comprises a motor, a rotating shaft and a stirring rod; the motor is fixedly connected with the bucket body and is positioned in the bucket body; the rotating shaft is fixedly connected with the output end of the motor and is positioned at the bottom of the motor; the stirring rod is fixedly connected with the rotating shaft and is positioned at the side edge of the rotating shaft.
The pressing assembly comprises a bracket, a third cylinder, a pressing rod and a pressing ring; the support is fixedly connected with the guide rail and is positioned at the top of the guide rail; the third cylinder is fixedly connected with the bracket and is positioned at the side edge of the bracket; the compression bar is fixedly connected with the output rod of the third cylinder and is positioned at the bottom of the third cylinder; the compression ring is fixedly connected with the compression rod and is positioned at the bottom of the compression rod.
In a second aspect, the present application also provides a method for magnetizing and compacting magnetic powder by layering into a mold, which includes:
controlling a second cylinder to drive the bearing ring to move downwards for the first time through the connecting rod;
controlling a first cylinder to drive a feeding hopper to move to the top of a die cavity for the first time, and driving the feeding hopper to be far away from the die cavity by a second cylinder after magnetic powder in the feeding hopper falls into the die cavity;
controlling a second cylinder to drive the bearing ring to move downwards for the second time through the connecting rod;
controlling the first cylinder to drive the feeding hopper to move to the top of the die cavity for the second time, and driving the feeding hopper to be far away from the die cavity by the second cylinder after the magnetic powder in the feeding hopper falls into the die cavity;
repeating the steps until the magnetic powder is filled in the die cavity, and then pressing the magnetic powder in the die cavity by the pressing assembly to obtain the magnetic ring.
According to the method and the system for magnetizing and pressing the magnetic powder in the layered feeding mold, the magnetic powder is filled in the feeding hopper, in an initial state, the bearing ring is flush with the guide rail, when the magnetic ring is produced, the second cylinder is controlled to drive the bearing ring to move downwards in the mold cavity for the first time through the connecting rod, after the bearing ring moves downwards to a preset position, the first cylinder drives the feeding hopper to move to the top of the mold cavity for the first time, the magnetic powder in the feeding hopper uniformly falls into the mold cavity and falls on the bearing ring, then the second cylinder drives the feeding hopper to be far away from the mold cavity, the magnetic powder on the upper surface of the mold cavity is scraped in the moving process of the feeding hopper, so that the magnetic powder is flush with the guide rail, then the second cylinder is controlled to drive the bearing ring to move downwards for the second time through the connecting rod, and control the first cylinder to drive the feeding hopper to move downwards to the top of the mold cavity, after the first cylinder drives the magnetic powder in the feeding hopper to fall into the mold cavity, the magnetic powder in the feeding hopper uniformly falls into the mold cavity and falls on the bearing ring, then the second cylinder drives the feeding hopper to be far from the mold cavity, the magnetic powder is scraped off the magnetic powder on the upper surface of the mold cavity, and then the magnetic powder is repeatedly scraped into the mold cavity until the magnetic powder is completely filled in the mold cavity, and the magnetic powder is repeatedly pressed into the mold; according to the application, by adopting a layered feeding and strickling method, powder in the die cavity is uniformly filled, and the pressed magnetic ring finished product has better quality.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a system for layered in-mold magnetizing and compacting of magnetic powder according to the present application.
Fig. 2 is a cross-sectional view of a system for layered in-mold magnetizing compaction of magnetic powder according to the present application.
Figure 3 is a cross-sectional view of a feed hopper of the present application.
Fig. 4 is a flow chart of a method of layering in-mold magnetizing compaction of magnetic powder according to the present application.
1-guide rail, 2-first cylinder, 3-feeding hopper, 4-mounting frame, 5-outer mould, 6-inner mould, 7-support frame, 8-second cylinder, 9-connecting rod, 10-bearing ring, 11-pressing component, 12-bucket body, 13-scraping component, 14-stirring component, 15-feeding pipe, 16-motor, 17-rotating shaft, 18-stirring rod, 19-support, 20-third cylinder, 21-compression bar, 22-compression ring, 23-elastic piece, 24-scraping plate, 25-outer column, 26-spring, 27-inner column and 28-mould cavity.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
Referring to fig. 1 to fig. 4, in a first aspect, the present application provides a system for layering magnetic powder into a mold for magnetizing and pressing: the device comprises a guide rail 1, a first cylinder 2, a feeding hopper 3, a mounting rack 4, an outer die 5, an inner die 6, a supporting frame 7, a second cylinder 8, a connecting rod 9, a receiving ring 10 and a pressing assembly 11;
the first air cylinder 2 is fixedly connected with the guide rail 1 and is positioned at the top of the guide rail 1; the feeding hopper 3 is fixedly connected with the output rod of the first cylinder 2 and is positioned at the side edge of the first cylinder 2; the mounting frame 4 is fixedly connected with the guide rail 1 and is positioned at the bottom of the guide rail 1; the outer mold 5 is fixedly connected with the mounting frame 4 and is positioned at the side edge of the mounting frame 4; the inner die 6 is fixedly connected with the mounting frame 4 and is positioned inside the outer die 5; a mould cavity 28 is formed between the outer mould tool 5 and the inner mould tool 6; the support frame 7 is fixedly connected with the mounting frame 4 and is positioned at the bottom of the mounting frame 4; the second air cylinder 8 is fixedly connected with the support frame 7 and is positioned at the side edge of the support frame 7; the connecting rod 9 is fixedly connected with the output rod of the second cylinder 8 and is positioned at the top of the second cylinder 8; the receiving ring 10 is fixedly connected with the connecting rod 9 and is positioned in the die cavity 28; the pressing assembly 11 is arranged on the guide rail 1.
In this embodiment, the feeding hopper 3 is filled with magnetic powder, in an initial state, the receiving ring 10 is flush with the guide rail 1, when the magnetic powder is produced, the second cylinder 8 is controlled to drive the receiving ring 10 to move down in the die cavity 28 for the first time through the connecting rod 9, after the receiving ring 10 moves down to a preset position, the first cylinder 2 drives the feeding hopper 3 to move to the top of the die cavity 28 for the first time, the magnetic powder in the feeding hopper 3 uniformly falls into the die cavity 28 and falls on the receiving ring 10, then the second cylinder 8 drives the feeding hopper 3 to be far away from the die cavity 28, the magnetic powder on the upper surface of the die cavity 28 is scraped in the moving process of the feeding hopper 3, so that the magnetic powder is flush with the guide rail 1, then the second cylinder 8 is controlled to drive the receiving ring 10 to move down for the second time through the connecting rod 9, and control the first cylinder 2 to drive the feeding hopper 3 to move to the top of the die cavity 28 for the second time, the magnetic powder in the feeding hopper 3 falls into the die cavity 28 uniformly, and falls on the receiving ring 10, then the second cylinder 8 is driven to be far from the die cavity 28, and the magnetic powder is scraped in the die cavity 28, and the magnetic powder is repeatedly scraped in the pressing process of the magnetic powder is carried out until the magnetic powder is scraped into the die cavity 28, and the die cavity 28 is pressed and the die cavity 28; the powder in the die cavity 28 is uniformly filled by a layered feeding and strickling method, and the pressed magnetic ring finished product has better quality.
Further, the feeding hopper 3 comprises a hopper body 12 and a scraping assembly 13; the bucket body 12 is fixedly connected with the output rod of the first cylinder 2 and is positioned at the side edge of the first cylinder 2; the scraping assembly 13 is fixedly connected with the bucket body 12 and is positioned at the side edge of the bucket body 12.
In this embodiment, the hopper body 12 is configured to accommodate magnetic powder, and the scraping assembly 13 is configured to scrape the magnetic powder in the die cavity 28.
Further, the feeding hopper 3 further comprises an agitating component 14; the agitation assembly 14 is disposed within the bucket body 12.
In this embodiment, the stirring assembly 14 is configured to stir the magnetic powder in the bucket 12, so as to avoid the magnetic powder from accumulating and being unable to be discharged from the bucket 12.
Further, the feeding hopper 3 further comprises a feeding pipe 15; the feeding pipe 15 is fixedly connected and communicated with the bucket body 12 and is positioned at the top of the bucket body 12.
In this embodiment, the feed pipe 15 can facilitate the introduction of magnetic powder into the hopper 12.
Further, the stirring assembly 14 comprises a motor 16, a rotating shaft 17 and a stirring rod 18; the motor 16 is fixedly connected with the bucket body 12 and is positioned inside the bucket body 12; the rotating shaft 17 is fixedly connected with the output end of the motor 16 and is positioned at the bottom of the motor 16; the stirring rod 18 is fixedly connected with the rotating shaft 17 and is positioned at the side edge of the rotating shaft 17.
In this embodiment, the motor 16 provides power to drive the rotating shaft 17 to rotate, and the rotating shaft 17 drives the stirring rod 18 to rotate, so that the magnetic powder in the bucket body 12 can be stirred, and the magnetic powder is prevented from accumulating and cannot be discharged from the bucket body 12.
Further, the pressing assembly 11 comprises a bracket 19, a third cylinder 20, a pressing rod 21 and a pressing ring 22; the bracket 19 is fixedly connected with the guide rail 1 and is positioned at the top of the guide rail 1; the third air cylinder 20 is fixedly connected with the bracket 19 and is positioned at the side edge of the bracket 19; the compression bar 21 is fixedly connected with the output rod of the third cylinder 20 and is positioned at the bottom of the third cylinder 20; the compression ring 22 is fixedly connected with the compression rod 21 and is positioned at the bottom of the compression rod 21.
In this embodiment, the third cylinder 20 drives the pressing ring 22 to move via the pressing rod 21, so that the pressing ring 22 moves into the die cavity 28 to press and mold the magnetic powder.
Further, the scraping assembly 13 comprises an elastic piece 23 and a scraping plate 24; the elastic piece 23 is arranged at the side edge of the bucket body 12; the scraper 24 is arranged at the bottom of the elastic piece 23.
In this embodiment, the elastic member 23 has elasticity, and the scraper 24 can be always abutted against the surface of the guide rail 1 by using the elastic potential energy of the elastic member 23, so that the scraper 24 can have a better scraping effect on the magnetic powder.
Further, the elastic member 23 includes an outer column 25, a spring 26, and an inner column 27; the outer column 25 is fixedly connected with the bucket body 12 and is positioned at the side edge of the bucket body 12; the spring 26 is fixedly connected with the outer column 25 and is positioned inside the outer column 25; the inner post 27 is fixedly connected with the spring 26, fixedly connected with the scraper 24, and positioned between the spring 26 and the scraper 24.
In this embodiment, the outer column 25 is used for guiding the spring 26 and the inner column 27, the spring 26 is in a compressed state, and the scraper 24 can be always abutted against the surface of the guide rail 1 by using elastic potential energy of the spring 26, so that the scraper 24 can have a better scraping effect on magnetic powder.
In a second aspect, the present application also provides a method for magnetizing and compacting magnetic powder by layering into a mold, which includes:
s1, controlling a second cylinder 8 to drive a bearing ring 10 to move downwards for the first time through a connecting rod 9;
the feeding hopper 3 is filled with magnetic powder, and in an initial state, the receiving ring 10 is flush with the guide rail 1, and when the magnetic ring is produced, the second cylinder 8 is controlled to drive the receiving ring 10 to move downwards in the die cavity 28 for the first time through the connecting rod 9.
S2, controlling a first cylinder 2 to drive a feeding hopper 3 to move to the top of a die cavity 28 for the first time, and driving the feeding hopper 3 to be far away from the die cavity 28 by a second cylinder 8 after magnetic powder in the feeding hopper 3 falls into the die cavity 28;
after the receiving ring 10 moves down to a preset position, the first cylinder 2 drives the feeding hopper 3 to move to the top of the die cavity 28 for the first time, the magnetic powder in the feeding hopper 3 can uniformly fall into the die cavity 28 and fall on the receiving ring 10, then the second cylinder 8 drives the feeding hopper 3 to be far away from the die cavity 28, and the magnetic powder on the upper surface of the die cavity 28 can be scraped to be flat in the moving process of the feeding hopper 3, so that the magnetic powder is flush with the guide rail 1.
S3, controlling a second cylinder 8 to drive a receiving ring 10 to move downwards for the second time through a connecting rod 9;
and then the second cylinder 8 is controlled to drive the receiving ring 10 to move downwards for the second time through the connecting rod 9.
S4, controlling the first cylinder 2 to drive the feeding hopper 3 to move to the top of the die cavity 28 for the second time, and driving the feeding hopper 3 to be far away from the die cavity 28 by the second cylinder 8 after the magnetic powder in the feeding hopper 3 falls into the die cavity 28;
controlling the first air cylinder 2 to drive the feeding hopper 3 to move to the top of the die cavity 28 for the second time, and after the magnetic powder in the feeding hopper 3 falls into the die cavity 28, driving the feeding hopper 3 to be away from the die cavity 28 by the second air cylinder 8, and scraping the magnetic powder on the upper surface of the die cavity 28 again.
S5, repeating the steps until the die cavity 28 is filled with the filled magnetic powder, and then pressing the magnetic powder in the die cavity 28 by the pressing assembly 11 to obtain the magnetic ring.
The above disclosure is only a preferred embodiment of the present application, and it should be understood that the scope of the application is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present application.

Claims (7)

1. A magnetic powder layering, mold entering, magnetizing and pressing system is characterized in that,
the device comprises a guide rail, a first cylinder, a feeding hopper, a mounting rack, an outer die, an inner die, a support frame, a second cylinder, a connecting rod, a bearing ring and a pressing assembly;
the first cylinder is fixedly connected with the guide rail and is positioned at the top of the guide rail; the feeding hopper is fixedly connected with the first cylinder output rod and is positioned at the side edge of the first cylinder; the mounting frame is fixedly connected with the guide rail and is positioned at the bottom of the guide rail; the outer die is fixedly connected with the mounting frame and is positioned at the side edge of the mounting frame; the inner die is fixedly connected with the mounting frame and is positioned at the inner side of the outer die; a die cavity is formed between the outer die and the inner die; the support frame is fixedly connected with the mounting frame and is positioned at the bottom of the mounting frame; the second air cylinder is fixedly connected with the support frame and is positioned at the side edge of the support frame; the connecting rod is fixedly connected with the output rod of the second cylinder and is positioned at the top of the second cylinder; the bearing ring is fixedly connected with the connecting rod and is positioned in the die cavity; the pressing assembly is arranged on the guide rail.
2. A magnetic powder layered in-mold magnetizing and compacting system according to claim 1, characterized in that,
the feeding hopper comprises a hopper body and a scraping assembly; the bucket body is fixedly connected with the first cylinder output rod and is positioned at the side edge of the first cylinder; the scraping component is fixedly connected with the bucket body and is positioned at the side edge of the bucket body.
3. A magnetic powder layered in-mold magnetizing and compacting system as claimed in claim 2, characterized in that,
the feeding hopper also comprises an agitating component; the stirring assembly is arranged inside the bucket body.
4. A magnetic powder layered in-mold magnetizing and compacting system as claimed in claim 3, characterized in that,
the feeding hopper further comprises a feeding pipe; the feeding pipe is fixedly connected and communicated with the bucket body and is positioned at the top of the bucket body.
5. A magnetic powder layering in-mold magnetizing and compacting system according to claim 4, wherein,
the stirring assembly comprises a motor, a rotating shaft and a stirring rod; the motor is fixedly connected with the bucket body and is positioned in the bucket body; the rotating shaft is fixedly connected with the output end of the motor and is positioned at the bottom of the motor; the stirring rod is fixedly connected with the rotating shaft and is positioned at the side edge of the rotating shaft.
6. A magnetic powder layering in-mold magnetizing and compacting system according to claim 5, wherein,
the pressing assembly comprises a bracket, a third cylinder, a pressing rod and a pressing ring; the support is fixedly connected with the guide rail and is positioned at the top of the guide rail; the third cylinder is fixedly connected with the bracket and is positioned at the side edge of the bracket; the compression bar is fixedly connected with the output rod of the third cylinder and is positioned at the bottom of the third cylinder; the compression ring is fixedly connected with the compression rod and is positioned at the bottom of the compression rod.
7. A method for magnetizing and pressing magnetic powder in a layered mode, which is applied to a system for magnetizing and pressing magnetic powder in a layered mode according to any one of claims 1 to 6, and is characterized by comprising the following steps:
controlling a second cylinder to drive the bearing ring to move downwards for the first time through the connecting rod;
controlling a first cylinder to drive a feeding hopper to move to the top of a die cavity for the first time, and driving the feeding hopper to be far away from the die cavity by a second cylinder after magnetic powder in the feeding hopper falls into the die cavity;
controlling a second cylinder to drive the bearing ring to move downwards for the second time through the connecting rod;
controlling the first cylinder to drive the feeding hopper to move to the top of the die cavity for the second time, and driving the feeding hopper to be far away from the die cavity by the second cylinder after the magnetic powder in the feeding hopper falls into the die cavity;
repeating the steps until the magnetic powder is filled in the die cavity, and then pressing the magnetic powder in the die cavity by the pressing assembly to obtain the magnetic ring.
CN202310789980.7A 2023-06-30 2023-06-30 Method and system for magnetizing and pressing magnetic powder in layered mode Pending CN116705490A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310789980.7A CN116705490A (en) 2023-06-30 2023-06-30 Method and system for magnetizing and pressing magnetic powder in layered mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310789980.7A CN116705490A (en) 2023-06-30 2023-06-30 Method and system for magnetizing and pressing magnetic powder in layered mode

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CN116705490A true CN116705490A (en) 2023-09-05

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