CN220456240U - Tool for preventing deformation of bar-shaped magnetic core during sintering - Google Patents

Tool for preventing deformation of bar-shaped magnetic core during sintering Download PDF

Info

Publication number
CN220456240U
CN220456240U CN202321599159.0U CN202321599159U CN220456240U CN 220456240 U CN220456240 U CN 220456240U CN 202321599159 U CN202321599159 U CN 202321599159U CN 220456240 U CN220456240 U CN 220456240U
Authority
CN
China
Prior art keywords
magnetic core
shaped magnetic
during sintering
bar
sintering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321599159.0U
Other languages
Chinese (zh)
Inventor
孙瑞昕
刘怀民
胡朋飞
刘娜
张静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Seven Star Flight Electronic Co ltd
Original Assignee
Beijing Seven Star Flight Electronic Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Seven Star Flight Electronic Co ltd filed Critical Beijing Seven Star Flight Electronic Co ltd
Priority to CN202321599159.0U priority Critical patent/CN220456240U/en
Application granted granted Critical
Publication of CN220456240U publication Critical patent/CN220456240U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Soft Magnetic Materials (AREA)

Abstract

The utility model relates to a tool for preventing a bar-shaped magnetic core from deforming during sintering, which comprises: the body is cylindrical, and is provided with a through hole for placing the bar-shaped magnetic core along the axial direction. In use, the rod-shaped magnetic core can be placed in the through hole inside the body for sintering. According to the tooling for preventing the deformation of the rod-shaped magnetic core during sintering, the green product of the rod-shaped magnetic core is placed in the through hole in the body, so that the deformation of the rod-shaped magnetic core during sintering can be prevented, the performance of the rod-shaped magnetic core is ensured, and the sintering qualification rate of the rod-shaped magnetic core product is also improved.

Description

Tool for preventing deformation of bar-shaped magnetic core during sintering
Technical Field
The utility model relates to the technical field of magnetic core production equipment, in particular to a tool for preventing a rod-shaped magnetic core from deforming during sintering.
Background
The sintering process is a key process for producing soft magnetic ferrite, and aims to heat and adhere ferrite powder formed by compression, and form solid solution into a whole so as to achieve the required electric, magnetic and mechanical physical properties. The sintering process of ferrite is extremely complex, and the sintering process is accompanied by shrinkage and densification of the blank in addition to substitution and valence change between ionic bonds at high temperature.
The green core product after press forming is called a green core product, and the existing green core product does not have a proper container when being sintered, and is directly placed on a setter plate for sintering, so that the green core product can deform after being sintered, the performance is reduced, and the qualification rate of the core product is finally affected.
It is therefore desirable to provide a tooling for preventing the deformation of the bar core during sintering.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a tool for preventing a bar-shaped magnetic core from deforming during sintering, which solves the technical problem that the existing bar-shaped magnetic core is easy to deform during sintering.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
the embodiment of the utility model provides a tool for preventing a bar-shaped magnetic core from deforming during sintering, which comprises the following components: the body is cylindrical, and is provided with a through hole for placing the bar-shaped magnetic core along the axial direction.
Optionally, the body is a ceramic sleeve.
Optionally, the ceramic sleeve has a length of 200-260mm.
Optionally, the ceramic sleeve has a diameter of 40-80mm.
Optionally, the ceramic sleeve has a wall thickness of 3-4mm.
(III) beneficial effects
The beneficial effects of the utility model are as follows: compared with the prior art, the tool for preventing the deformation of the rod-shaped magnetic core during sintering can prevent the deformation of the rod-shaped magnetic core during sintering by placing the green body product of the rod-shaped magnetic core in the through hole in the body, thereby ensuring the performance of the rod-shaped magnetic core and improving the sintering qualification rate of the rod-shaped magnetic core product.
Drawings
FIG. 1 is a schematic front view of a tooling for preventing deformation of a bar-shaped magnetic core during sintering according to the present utility model;
fig. 2 is a schematic side view of the tooling for preventing the deformation of the bar-shaped magnetic core during sintering according to the present utility model.
[ reference numerals description ]
1: a body;
2: and a through hole.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Wherein references herein to "upper", "lower", "left", "right", "front", "rear", and like directional terms refer to the orientation of fig. 1.
As shown in fig. 1 and 2, fig. 1 shows a schematic front view of the tool for preventing deformation of a bar-shaped magnetic core at the time of sintering of the present embodiment, and fig. 2 shows a schematic side view of the tool for preventing deformation of a bar-shaped magnetic core at the time of sintering of the present embodiment.
The frock for preventing stick shape magnetic core from taking place deformation when sintering of this embodiment includes: the body 1, the body 1 is cylindric, and has offered the through-hole 2 that is used for placing the bar core along the axial.
In this embodiment, the body 1 is a ceramic sleeve having a length of 200-260mm, a diameter of 40-80mm and a wall thickness of 3-4mm.
In the use process, the bar-shaped magnetic core green body product is placed in a tubular tool made of a high-temperature-resistant ceramic material for sintering, so that the sintered product cannot deform, the product performance is ensured, and the qualification rate of the product is also improved.
The utility model has the advantages that the product is not deformed after sintering by placing the bar-shaped magnetic core green body product in a tubular tool made of a high-temperature-resistant ceramic material, thereby ensuring the product performance and improving the qualification rate of the product.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (5)

1. A frock for preventing stick shape magnetic core takes place deformation when sintering, its characterized in that: comprising the following steps: the magnetic core comprises a body (1), wherein the body (1) is cylindrical, and a through hole (2) for placing the rod-shaped magnetic core is formed along the axial direction.
2. A tooling for preventing deformation of a bar core during sintering as set forth in claim 1, wherein: the body (1) is a ceramic sleeve.
3. A tooling for preventing deformation of a bar core during sintering as set forth in claim 2, wherein: the length of the ceramic sleeve is 200-260mm.
4. A tooling for preventing deformation of a bar core during sintering as set forth in claim 2, wherein: the diameter of the ceramic sleeve is 40-80mm.
5. A tooling for preventing deformation of a bar core during sintering as set forth in claim 4, wherein: the wall thickness of the ceramic sleeve is 3-4mm.
CN202321599159.0U 2023-06-21 2023-06-21 Tool for preventing deformation of bar-shaped magnetic core during sintering Active CN220456240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321599159.0U CN220456240U (en) 2023-06-21 2023-06-21 Tool for preventing deformation of bar-shaped magnetic core during sintering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321599159.0U CN220456240U (en) 2023-06-21 2023-06-21 Tool for preventing deformation of bar-shaped magnetic core during sintering

Publications (1)

Publication Number Publication Date
CN220456240U true CN220456240U (en) 2024-02-06

Family

ID=89731933

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321599159.0U Active CN220456240U (en) 2023-06-21 2023-06-21 Tool for preventing deformation of bar-shaped magnetic core during sintering

Country Status (1)

Country Link
CN (1) CN220456240U (en)

Similar Documents

Publication Publication Date Title
CN110216277B (en) Preparation method of refractory metal composite pipe
CN104347230B (en) Electronic component
CN102143813A (en) Micro drill and fabricating method thereof
CN111584225B (en) Forming method of flat ultra-thin power transformer magnetic core
CN116140625B (en) Preparation method of wedge-shaped riving knife material
CN110193601B (en) Preparation method of double-layer or multi-layer refractory metal composite pipe
CN102847943A (en) Method for manufacturing magnetron molybdenum end cap through die forming
CN220456240U (en) Tool for preventing deformation of bar-shaped magnetic core during sintering
JP2001252793A (en) Green compact forming method
CN205519648U (en) Production mould of E -shaped magnetic cores blank
CN112568506A (en) Ceramic heating body and manufacturing method thereof
EP0394388B1 (en) Method for the manufacture of rivet for a fixed spike or for a sleeve-mounted spike, respectively, and equipment for carrying out the method
CN116344186A (en) Method for manufacturing integrated patch type power inductor
CN212072347U (en) Carbon-carbon composite material combined die for high-temperature hot-pressing precision ceramic sintering furnace
CN215090682U (en) Inclined hole alloy blade forming device
CN202247013U (en) Split laminating type cylindrical solid thermal shield for sapphire single crystal furnace
CN108314036B (en) Preparation process of artificial diamond sintered body
CN101315858A (en) Molybdenum strut of permatron and its production method
CN108526471B (en) Preparation method of iron-based powder metallurgy friction wheel
JPH0949036A (en) Production of electrical contact
JP2858972B2 (en) Method for manufacturing ceramic molded body
JP3259665B2 (en) Method for manufacturing solid electrolytic capacitor
CN108585820A (en) A kind of preparation method of speciality cylinder magnetic ferrite magnetic core
CN210587162U (en) Mold for preparing refractory metal composite pipe
CN212976707U (en) Die for pressing and forming piezoelectric ceramic powder

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant