CN106493360B - The compacting tool set of neodymium iron boron magnetic body - Google Patents
The compacting tool set of neodymium iron boron magnetic body Download PDFInfo
- Publication number
- CN106493360B CN106493360B CN201611150321.5A CN201611150321A CN106493360B CN 106493360 B CN106493360 B CN 106493360B CN 201611150321 A CN201611150321 A CN 201611150321A CN 106493360 B CN106493360 B CN 106493360B
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- China
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- side plate
- neodymium iron
- mold insert
- hole
- die
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention provides a kind of compacting tool set of neodymium iron boron magnetic body comprising: along two the first side plates of magnetic field orientating direction setting；Two second side plates vertical with magnetic field orientating direction enclose die ontology with two the first side plate tandem arrays；Mold insert in the die ontology is set, there is a die cavity, and the medial surface of the die cavity and neodymium-iron-boron shape to be pressed coincide；With upper and lower briquetting, wherein the lower lock block extends upwardly into the die cavity, the upper holder block moves downward the compacting for carrying out neodymium iron boron magnetic body under driver driving.The compacting tool set fabrication cycle of neodymium iron boron magnetic body provided by the invention shortens, and expense is reduced to original half；The damages such as briquetting, mold insert only need replacing damaged location；It is dismountable standard component, mold interchangeability is strong；Mitigate mold installation difficulty, improves die-filling efficiency；The positioning accuracy of briquetting and compression bar is improved, mitigates mounting and adjusting die clearance difficulty, improves die-filling efficiency.
Description
Technical field
The invention belongs to forming field more particularly to a kind of compacting tool sets of neodymium iron boron magnetic body.
Background technique
Sintered NdFeB have excellent magnetic property, medical treatment, communication, electrical equipment, instrument, in terms of it is extensive
Application.The process of currently manufactured sintered Nd-Fe-B magnetic material includes ingredient, gets rid of band, hydrogen breaking, airflow milling powder, is pressed into
Type, sintering etc..Wherein the purpose of compression moulding is so that Magnaglo is had certain shape, ruler using neodymium iron boron particular manufacturing craft
Very little, pressed density and intensity, then carry out the processing of subsequent processing, and the quality of compacting not only influences the blank ruler after follow-up sintering
It is very little, while also having a certain impact to the magnetic property of magnet；Sintered NdFeB mo(u)ldenpress mold, since press structure limits,
Not only weight is big for mold, and structure is complicated, and pressure head and extension bar weld together, and Mold Making period and cost of manufacture are higher；And
And after dieparts damage, it cannot exchange well.Neodymium iron boron production process is longer, and new product thread-changing is more frequent, with
The shortcomings that upper mold is fatal in production.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
Another object of the present invention is to shorten the fabrication cycle of mold, reduces Mold Making expense, and that improves mold can
Interchangeability.
The present invention provides a kind of compacting tool set of neodymium iron boron magnetic body comprising:
Along two the first side plates of magnetic field orientating direction setting；
Two second side plates vertical with magnetic field orientating direction enclose mould with two the first side plate tandem arrays
Has ontology；
Mold insert in the die ontology is set, there is a die cavity, and the medial surface of the die cavity and to be pressed
Neodymium-iron-boron shape coincide；
With upper and lower briquetting, wherein the lower lock block extends upwardly into the die cavity, and the upper holder block drives in driver
Under move downward carry out neodymium iron boron magnetic body compacting.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body, first side plate is made of permeability magnetic material, institute
The second side plate is stated to be made of un-conducted magnetic material.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body, the mold insert and the upper and lower briquetting are all made of not
Permeability magnetic material is made.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body,
Dovetail groove is provided on first side plate；
The dovetail tongue matched with the dovetail groove is provided on second side plate.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body, it is provided with fastening thread hole on first side plate,
Second side plate is fixed on two first side plates by fastening screw across the fastening thread hole.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body, gap between the mold insert and the die ontology
Cooperation.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body,
The both direction of the lower part of the mold insert towards first side plate is provided with limit hanging platform, other two direction is opened
Equipped with the first detachable threaded hole；
The the second detachable threaded hole closed with the described first detachable corresponding threaded holes is provided on second side plate；
Detachable screw passes through the described first detachable threaded hole and the second detachable threaded hole consolidates the mold insert
It is scheduled in the die ontology.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body, it is provided with fixation hole on the upper and lower briquetting and determines
Position pin hole, and fixed by the extension bar of the fixation hole and the dowel hole and press.
Preferably, in the compacting tool set of the neodymium iron boron magnetic body,
The inner surface of first side plate and second side plate is provided with longitudinal raised line；
The lateral surface of the mold insert is provided with the longitudinal groove matched with longitudinal raised line；
At least a column rectangle blind hole, the lower end inside of the rectangle blind hole is provided on the longitudinal direction raised line to be fixed with
One compressed spring is articulated with a block, the head end of the compressed spring and the gear at the upper end-face edge of the rectangle blind hole
The lower part of block is fixed；
The bottom face of the longitudinal groove, which is provided with, corresponds block limiting slot with the rectangle blind hole.
Beneficial effects of the present invention:
Mold Making cycle time was shortened to 5-7 days by original 12-14 days；
Die cost can be reduced to original half；
The damage such as briquetting, mold insert, it is only necessary to replace damaged location, reduce die cost；
Briquetting, mold insert, die ontology are all dismountable standard components, and mold interchangeability is strong；
The locating groove of mold mitigates mold installation difficulty, improves die-filling efficiency；
The dowel hole of briquetting improves the positioning accuracy in pressure hole and compression bar, mitigates mounting and adjusting die clearance difficulty, mentions
High die-filling efficiency.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the compacting tool set of neodymium iron boron magnetic body provided by the invention；
Fig. 2 is that the structure of the die ontology in one embodiment of the compacting tool set of neodymium iron boron magnetic body provided by the invention is shown
It is intended to；
Fig. 3 is the structural representation of the mold insert in one embodiment of the compacting tool set of neodymium iron boron magnetic body provided by the invention
Figure；
Fig. 4 is that the structure of the upper lower lock block in one embodiment of the compacting tool set of neodymium iron boron magnetic body provided by the invention is shown
It is intended to.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the present invention provides a kind of compacting tool set of neodymium iron boron magnetic body comprising:
Along two the first side plates 1 of magnetic field orientating direction setting；
Two second side plates 2 vertical with magnetic field orientating direction are enclosed with two 1 tandem arrays of the first side plate
Die ontology；
Mold insert 3 in the die ontology is set, there is a die cavity, and the medial surface of the die cavity and to be pressed
Neodymium-iron-boron shape coincide；
With upper and lower briquetting, wherein the lower lock block 10 extends upwardly into the die cavity, and the upper holder block 9 drives in driver
The compacting for carrying out neodymium iron boron magnetic body is moved downward under dynamic.
In the compacting tool set of the neodymium iron boron magnetic body, first side plate 1 is made of permeability magnetic material, described second side
Plate 2 is made of un-conducted magnetic material.
In the compacting tool set of the neodymium iron boron magnetic body, the mold insert 3 and the upper and lower briquetting 9,10 are all made of non-magnetic
Material is made.
In the compacting tool set of the neodymium iron boron magnetic body,
Dovetail groove 101 is provided on first side plate 1；
The dovetail tongue matched with the dovetail groove is provided on second side plate 2.
In the compacting tool set of the neodymium iron boron magnetic body, it is provided with fastening thread hole 4 on first side plate 1, fastens spiral shell
Second side plate 2 is fixed on two first side plates 1 by silk across the fastening thread hole 4.
In the compacting tool set of the neodymium iron boron magnetic body, clearance fit between the mold insert 3 and the die ontology.
In the compacting tool set of the neodymium iron boron magnetic body,
The both direction of the lower part of the mold insert 3 towards first side plate 1 is provided with limit hanging platform 301, other two
Direction offers the first detachable threaded hole 302；
The the second detachable threaded hole 5 closed with the described first detachable corresponding threaded holes is provided on second side plate 2；
Detachable screw passes through the described first detachable threaded hole and the second detachable threaded hole 5 for the mold insert 3
It is fixed in the die ontology.
In the compacting tool set of the neodymium iron boron magnetic body, fixation hole 11 and dowel hole are provided on the upper and lower briquetting
12, and fixed by the extension bar of the fixation hole and the dowel hole and press.
Two piece of first side plate and two pieces of second side board groups at die ontology, there are screw hole, including installation screw hole 8,
Screw hole 7, and installation screw hole 6 are lifted, and there are locating grooves in bottom, facilitate the fixation and placement of mold；
Mold insert 3 cooperates in die ontology internal clearance, and in 3 bottom of mold insert, there are hanging platforms 301, prevent mold insert in die mould process
In skid off, 3 detachable screw holes 302 are respectively stayed in the two sides in the non-oriented direction of mold insert 3, for mold insert and the big side plate of mold and small
The die ontology of side plate composition is fixed, the mold of such similar sizes, when designing and producing mold, it is only necessary to make mold insert i.e.
Can, greatly reduce Mold Making period and die cost；
There are screw holes 11 on briquetting, and there are high-precision dowel holes 12, facilitate briquetting and extension bar fixed and mutual
It changes；
The compacting tool set of neodymium iron boron magnetic body provided by the invention includes: by preferable first side plate 1 of two pieces of magnetic conductions and two pieces
Non-magnetic second side plate 2, preferable first side plate 1 of two pieces of magnetic conductions and two blocks of non-magnetic second side plates 2 form a mold
Ontology is put into non-magnetic mold insert 3 in die ontology, and has non-magnetic upper holder block 9 and non-magnetic lower lock block 10.
There are 6 fastening screw holes 4 for cooperation on two blocks of non-magnetic first side plates 1, and in opposite position, there are swallows
Stern notch groove；
On two blocks of non-magnetic second side plates 2, there are detachable screw holes 5, and there are dovetail groove tongues in opposite position；
Two blocks of first side plates of magnetic conduction 1 and two blocks of non-magnetic second side plates 2 are cooperated by dovetail groove fixes limit, and by tight
Gu screw fixation forms mold shell；
The non-magnetic hard alloy of non-magnetic insert material, secondly non-magnetic G60, again non-magnetic 70MN.
There are limit hanging platforms 302 for non-magnetic mold insert bottom, and there are detachable screw holes on the outside of mold insert mold direction
301；
Die ontology and mold insert, clearance fit can be replaced, and are screwed by detachable screw hole, utilize mold insert
The limit of bottom hanging platform, prevents mold insert stress during die mould from moving upwards,；
The non-magnetic 70MN of the material of upper lower lock block, i.e. saving cost can prevent pressure head and mold insert " very stiff and demanding " again, cause
Mold insert damage；
Upper lower lock block bottom is stayed there are two fixed screw holes, can be fixed together with extension bar by screw hole, on
Push-down head is connected by screw hole, and pressure head is made to have good interchangeability；
In corresponding position, there are high-precision dowel holes for upper lower lock block bottom, are connected by cooperating with extension bar dowel hole
It connects, cooperates pressure head precisely with extension bar relative position.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (1)
1. the compacting tool set of neodymium iron boron magnetic body characterized by comprising
Along two the first side plates of magnetic field orientating direction setting；
Two second side plates vertical with magnetic field orientating direction enclose mold sheet with two the first side plate tandem arrays
Body；
Mold insert in the die ontology is set, there is a die cavity, and the medial surface of the die cavity and neodymium iron to be pressed
Boron magnet shape is coincide；
With upper and lower briquetting, wherein the lower lock block extends upwardly into the die cavity, the upper holder block driver driving under to
Lower movement carries out the compacting of neodymium iron boron magnetic body；
Wherein,
First side plate is made of permeability magnetic material, and second side plate is made of un-conducted magnetic material；The mold insert and institute
It states upper and lower briquetting and is all made of un-conducted magnetic material and be made；
Dovetail groove is provided on first side plate；The swallow matched with the dovetail groove is provided on second side plate
Tail tongue；Fastening thread hole is provided on first side plate, fastening screw passes through the fastening thread hole for described second side
Plate is fixed between two first side plates；
Clearance fit between the mold insert and the die ontology；The lower part of the mold insert is towards two sides of first side plate
To limit hanging platform is provided with, other two direction offers the first detachable threaded hole；It is provided on second side plate and institute
State the second detachable threaded hole that the first detachable corresponding threaded holes close；Detachable screw passes through the described first detachable threaded hole
The mold insert is fixed in the die ontology with the described second detachable threaded hole；First side plate and described second side
The inner surface of plate is provided with longitudinal raised line；It is recessed that the lateral surface of the mold insert is provided with the longitudinal direction matched with longitudinal raised line
Slot；At least a column rectangle blind hole, the lower end inside of the rectangle blind hole, which are provided with, on the longitudinal direction raised line is fixed with a pressure
Contracting spring, is articulated with a block at the upper end-face edge of the rectangle blind hole, the head end of the compressed spring and the block
Lower part is fixed；The bottom face of the longitudinal groove is provided with and the one-to-one block limiting slot of the rectangle blind hole；
It is provided with fixation hole and dowel hole on the upper and lower briquetting, and passes through the fixation hole and the dowel hole and pressure
The extension bar of machine processed is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150321.5A CN106493360B (en) | 2016-12-14 | 2016-12-14 | The compacting tool set of neodymium iron boron magnetic body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150321.5A CN106493360B (en) | 2016-12-14 | 2016-12-14 | The compacting tool set of neodymium iron boron magnetic body |
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| Publication Number | Publication Date |
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| CN106493360A CN106493360A (en) | 2017-03-15 |
| CN106493360B true CN106493360B (en) | 2018-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108407380B (en) * | 2018-04-23 | 2019-09-13 | 苏州恒姆精密部件有限公司 | A kind of precision parts processing mold stopped with machinery |
| CN109482870B (en) * | 2018-12-27 | 2023-11-07 | 中铝广西有色金源稀土有限公司 | Pressing neodymium iron boron magnetic field forming device |
| CN109434100B (en) * | 2018-12-27 | 2024-02-06 | 中铝广西有色金源稀土有限公司 | Combined die for forming special-shaped square block blank by using magnetic field for neodymium iron boron |
| CN109732082B (en) * | 2018-12-27 | 2023-11-07 | 中铝广西有色金源稀土有限公司 | Combined die for molding pressed magnetic material |
| CN110517884A (en) * | 2019-09-29 | 2019-11-29 | 中铝广西有色金源稀土有限公司 | A kind of neodymium-iron-boron magnetic material compacting tool set |
| CN111730055A (en) * | 2020-07-24 | 2020-10-02 | 福建省长汀金龙稀土有限公司 | Profiling die |
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