CN209394920U - Molding die is used in a kind of production of ferrite core of nickel-zinc - Google Patents

Molding die is used in a kind of production of ferrite core of nickel-zinc Download PDF

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Publication number
CN209394920U
CN209394920U CN201821596658.3U CN201821596658U CN209394920U CN 209394920 U CN209394920 U CN 209394920U CN 201821596658 U CN201821596658 U CN 201821596658U CN 209394920 U CN209394920 U CN 209394920U
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CN
China
Prior art keywords
mold
nickel
molding die
fixedly connected
core
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Expired - Fee Related
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CN201821596658.3U
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Chinese (zh)
Inventor
周景
张辛萌
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Anhui Jingmei Electronics Co Ltd
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Anhui Jingmei Electronics Co Ltd
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Abstract

The utility model provides a kind of ferrite core of nickel-zinc production molding die, including the lower andante that the hydraulic cylinder being fixedly connected in the middle part of mold platform, mold platform lower end four support legs connected vertically, mold platform upper end two slide bars connected vertically, two slide bar upper ends same top plate connected vertically, top plate lower end is fixedly connected with hydraulic cylinder output end, the lower end of the lower andante is symmetrically connected with two upper molds.The utility model overcomes the deficiencies in the prior art, design is reasonable, it is compact-sized, then nickel-zinc ferrite magnetism powder is compacted to nickel-zinc ferrite magnetism powder is filled in mold automatically after mold clamping, the uniform of blank density is effectively guaranteed, the yields for producing magnetic core is improved, is solved since structure is simple, positioning is inaccurate, unbalance stress, the problem of be easy to causeing the deformation of product.

Description

Molding die is used in a kind of production of ferrite core of nickel-zinc
Technical field
The utility model relates to magnetic core technical field of processing equipment, and in particular to a kind of production of ferrite core of nickel-zinc at Pattern tool.
Background technique
Magnetic core refers to a kind of sintering magnetic metal oxide being made of various iron oxide mixtures.For example, manganese-zinc-iron oxygen Body and nickel-zinc ferrite are typical magnetic core array materials.Manganese-zinc ferrite has the characteristics that high magnetic permeability and high magnetic flux density, And there is more low-loss characteristic.Nickel-zinc ferrite has high unit area impedance, less than characteristics such as several hundred low magnetic permeabilities.Iron Ferrite core is in the coil and transformer of various electronic equipments.
With the increase of cost of labor, the development of mechanical automation, more and more enterprises use mechanization production generation For artificial, to reduce production cost, enterprise competitiveness is improved, the ferrite core of nickel-zinc mold under the prior art is due to structure letter The main reason for single, positioning is inaccurate, unbalance stress, be easy to cause the deformation of product, and deforms be because blank density is uneven, And current magnetic core mold is not due to closure is strong etc., often results in that magnetic core yield is low, and production efficiency is low, and this gives work It is brought a great deal of trouble as personnel, so we have proposed a kind of ferrite core of nickel-zinc production molding dies.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of ferrite core of nickel-zinc production molding die, Overcome the deficiencies in the prior art, design is rationally, compact-sized, automatically to filling Ni Zn ferrimagnet in mold after mold clamping Nickel-zinc ferrite magnetism powder is then compacted by body magnetism powder, and the uniform of blank density is effectively guaranteed, and improves life Output carrys out the yields of magnetic core, solves since structure is simple, and positioning is inaccurate, and unbalance stress be easy to cause the deformation of product Problem.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of ferrite core of nickel-zinc production molding die, including mold platform, mold platform lower end are connected vertically Four support legs, mold platform upper end two slide bars connected vertically, two slide bar upper ends same top plate connected vertically, top The lower andante that the hydraulic cylinder being fixedly connected in the middle part of plate lower end is fixedly connected with hydraulic cylinder output end;
The lower end of the lower andante is symmetrically connected with two upper molds, and the lower end of upper mold offers forming recess, at Type type is intracavitary to be equipped with compaction apparatus, and the lower section of the upper mold is equipped with lower mold, and the upper end of lower mold is symmetrically connected with two Mold core, the inside of the lower mold are equipped with envelope mold device, and the lower end of the lower mold is fixedly connected with the upper end of mold platform, and It being opened up on lower mold there are four aciculiform injection port, the lower end of the aciculiform injection port penetrates through the upper end of two U-tubes of connection respectively, And the lower end of two U-tubes runs through the side wall of mold platform and reaches the lower section of mold platform, the lower end of two U-tubes is passed through Lead to the output end for connecing the same powder injection device;
The envelope mold device includes two sealing plates, and two sealing plates are slidably connected at lower mould side wall both ends respectively The aciculiform to match there are two opening up in the two bar shaped sliding slots symmetrically opened up, and on the side wall of sealing plate with aciculiform injection port is logical Hole, one end that two sealing plates are located remotely from each other arrives separately at the inner cavity of two sleeves and is vertically connected with permanent magnet, described The inner sidewall of permanent magnet and sleeve is slidably connected, and sleeve is fixedly connected with the upper end of mold platform, the permanent magnet it is another End is connected with electromagnet by reset spring, and electromagnet is fixedly connected with the inner sidewall of sleeve, on the side wall of the permanent magnet It is fixedly connected with the first bronze medal contact block, and the first bronze medal contact block is slidably connected in the bar shaped sliding slot opened up in sleeve lateral wall, two institutes It states bar shaped sliding slot and is located remotely from each other the inner sidewall of one end and be fixedly connected with the second bronze medal contact block.
Preferably, the compaction apparatus includes two squeeze boards, and the inner sidewall of the squeeze board and upper mold is slidably connected, And the upper end perforation of squeeze board is connected with hollow shaft, the upper end of the hollow shaft sequentially passes through the roof and lower andante of upper mold Side wall and screw thread are socketed with belt wheel, and two belt wheels are connected by driving belt, and the upper end positioned at the belt wheel on right side is same Axis connection has first bevel gear, and first bevel gear is engaged with second bevel gear, and the rear end of the second bevel gear connects servo Rotation axis on motor, and servo motor is fixedly connected by bracket with the upper end of lower andante.
Preferably, the lumenal cross-section product of the hollow shaft is greater than the cross-sectional area of mold core.
Preferably, the length of the mold core and the cavity heights of forming recess are consistent.
Preferably, sliding sleeve is connected to sliding sleeve on the slide bar, and the both ends of the opposite side and lower andante of two sliding sleeves are solid Fixed connection.
Preferably, a no less than gas vent is provided on the cavity wall of the upper mold.
Preferably, the forming face of the upper mold and mold core is mirror surface structure.
(3) beneficial effect
The utility model embodiment provides a kind of ferrite core of nickel-zinc production molding die.Have following beneficial to effect Fruit:
1, by the composite structure of upper mold, lower mold and mold core, annular ferrite core of nickel-zinc is effectively constituted Forming recess, accurate positioning improve the specification quality for the magnetic core produced.
2, by the composite structure of two belt wheels and driving belt, drive two squeeze boards are synchronous to push, by after molding at The nickel-zinc ferrite magnetism powder of the intracavitary injection of type type is compacted, and the uniform of blank density is effectively guaranteed, raising is produced The yields of magnetic core.
3, by four aciculiform injection ports, magnetic material effectively quantifies to injection moulding type is intracavitary, and aciculiform injection port is just It in the connection of cutting forming recess and U-tube, while being matched with sealing plate, effectively seals up aciculiform injection port, anti-stopping leak Dew, it is ensured that blank density is uniformly distributed.
4, by the composite structure of hollow shaft and mold core, when molding completion, mold core grafting enters the inner cavity of hollow shaft, both protects The accurate positioning between upper mold and lower mold has been demonstrate,proved, and ensure that the leakproofness of forming recess significantly, magnetic is produced in raising The yields of core.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is compaction apparatus structural schematic diagram;
Fig. 3 is envelope mold device structural schematic diagram;
Fig. 4 is A structure enlargement diagram.
In figure: mold platform 1, slide bar 2, top plate 3, hydraulic cylinder 4, lower andante 5, upper mold 6, compaction apparatus 7, squeeze board 71, hollow shaft 72, belt wheel 73, driving belt 74, first bevel gear 75, second bevel gear 76, lower mold 8, envelope mold device 9, close Sealing plate 91, sleeve 92, permanent magnet 93, electromagnet 94, the first bronze medal contact block 95, the second bronze medal contact block 96, mold core 10, U-tube 11, powder Injection device 12, sliding sleeve 13.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
Referring to attached drawing, a kind of ferrite core of nickel-zinc production molding die, including mold platform 1,1 lower end of mold platform Four support legs connected vertically, 1 upper end of mold platform, two slide bars connected vertically, 2, two 2 upper ends of slide bar are connected vertically The lower andante 5 that the hydraulic cylinder 4 being fixedly connected in the middle part of the same top plate 3,3 lower end of top plate is fixedly connected with 4 output end of hydraulic cylinder;
The lower end of the lower andante 5 is symmetrically connected with two upper molds 6, and the lower end of upper mold 6 offers forming recess, Compaction apparatus 7 is equipped in forming recess, the lower section of the upper mold 6 is equipped with lower mold 8, and the upper end of lower mold 8 symmetrically connects There are two mold core 10, the inside of the lower mold 8 is equipped with envelope mold device 9, and the lower end of the lower mold 8 is upper with mold platform 1 End is fixedly connected, and is opened up on lower mold 8 there are four aciculiform injection port, and the lower end of the aciculiform injection port penetrates through connection two respectively The upper end of a U-tube 11, and the lower end of two U-tubes 11 runs through the side wall of mold platform 1 and reaches the lower section of mold platform 1, The lower end perforation of two U-tubes 11 connects the output end of the same powder injection device 12, the powder injection device 12 It can be vacuum powder feeding machine and fully automatic powder charger.
The envelope mold device 9 includes two sealing plates 91, and two sealing plates 91 are slidably connected at lower 8 side of mold respectively Match there are two being opened up in two bar shaped sliding slots that wall both ends symmetrically open up, and on the side wall of sealing plate 91 with aciculiform injection port Aciculiform through-hole, one end that two sealing plates 91 are located remotely from each other arrives separately at the inner cavity of two sleeves 92 and is vertically connected with The inner sidewall of permanent magnet 93, the permanent magnet 93 and sleeve 92 is slidably connected, and the fixed company in the upper end of sleeve 92 and mold platform 1 It connects, the other end of the permanent magnet 93 is connected with electromagnet 94, and the inner sidewall of electromagnet 94 and sleeve 92 by reset spring It is fixedly connected, the first bronze medal contact block 95 is fixedly connected on the side wall of the permanent magnet 93, and the first bronze medal contact block 95 is slidably connected at In the bar shaped sliding slot opened up on 92 side wall of sleeve, the inner sidewall that two bar shaped sliding slots are located remotely from each other one end is fixedly connected with It is intracavitary effectively to be quantified injection moulding type by two bronze medal contact blocks 96 for magnetic material, and aciculiform injection port is convenient for cutting forming recess and U-shaped The connection of pipe, while being matched with sealing plate 91, aciculiform injection port is effectively sealed up, prevents from revealing, it is ensured that blank density It is uniformly distributed.
The compaction apparatus 7 includes two squeeze boards 71, and the inner sidewall of the squeeze board 71 and upper mold 6 is slidably connected, And the upper end perforation of squeeze board 71 is connected with hollow shaft 72, the upper end of the hollow shaft 72 sequentially pass through upper mold 6 roof and The side wall and screw thread of lower andante 5 are socketed with belt wheel 73, and two belt wheels 73 are connected by driving belt 74, the institute positioned at right side The upper end for stating belt wheel 73 is coaxially connected with first bevel gear 75, and first bevel gear 75 is engaged with second bevel gear 76, and described Rotation axis on the rear end connection servo motor of two bevel gears 76, and servo motor is fixed by the upper end of bracket and lower andante 5 Connection, the servo motor are positive reverse motor, drive two squeeze boards 71 are synchronous to push, will inject in forming recess after molding The compacting of nickel-zinc ferrite magnetism powder, be effectively guaranteed the uniform of blank density, improve the yields for producing magnetic core.
The lumenal cross-section product of the hollow shaft 72 is greater than the cross-sectional area of mold core 10, and when molding completion, mold core 10 is inserted The inner cavity for accessing hollow shaft 72, ensure that the accurate positioning between upper mold 6 and lower mold 8.
The length of the mold core 10 is consistent with the cavity heights of forming recess, when molding completion, ensure that forming recess Leakproofness, improve and produce the yields of magnetic core.
Sliding sleeve is connected to sliding sleeve 13 on the slide bar 2, and the both ends of the opposite side and lower andante 5 of two sliding sleeves 13 are fixed Connection, the limited downlink track for limiting andante 5 of staying, it is ensured that the accurate molding of upper mold 6 and lower mold 8.
Be provided with a no less than gas vent on the cavity wall of the upper mold 6, the setting of gas vent so that when molding at The air of the intracavitary generation of type type can be discharged in time, not interfere with the molding of magnetic core.
The forming face of the upper mold 6 and mold core 10 is mirror surface structure, so that die joint is more smooth, and is convenient for magnetic core Demoulding.
The hydraulic cylinder 4 collectively constitutes a series circuit, the powder injection device 12 by conducting wire with external power supply One series circuit is collectively constituted by conducting wire with external power supply, the electromagnet 94 and external power supply are collectively constituted by conducting wire One series circuit, the first bronze medal contact block 95, the second bronze medal contact block 96 and servo motor and external power supply pass through common group of conducting wire At a series circuit.
As shown in Figs 1-4, a kind of ferrite core of nickel-zinc production is as follows with molding die working principle: through staff's tune After examination, external power supply is connected, hydraulic cylinder 4 starts, and drives lower andante 5 to move downward, upper mold 6 and lower mold 8 is pushed to complete to close Mould, at this point, 10 grafting of mold core enters the middle part of hollow shaft 72;
Then, external power supply is connected, quantitative nickel-zinc ferrite magnetism powder is passed through U-shaped by the starting of powder injection device 12 In pipe 11 and aciculiform injection port injection moulding type chamber, so that the distribution of nickel-zinc ferrite magnetism powder is more uniform;
After the completion of injection, external power supply is connected, 94 energizing magnetic of electromagnet attracts permanent magnet 93, and pulling two is close Sealing plate 91 is located remotely from each other, and the aciculiform through-hole on sealing plate 91 is staggered with aciculiform injection port, completes the closing of forming recess;
At this point, the first bronze medal contact block 95 contradicts the second bronze medal contact block 96, servo motor starting drives second bevel gear 76 to rotate, Second bevel gear 76 engages first bevel gear 75, drives the belt wheel 73 for being located at right side to rotate, two belt wheels 73 pass through driving belt 74 connections, drive two belt wheels 73 to rotate synchronously, the hollow shaft 72 of two screw thread grafting are driven to move downward, and push squeeze board 71 It moves downward, the intracavitary nickel-zinc ferrite magnetism powder of compaction moulding type, completes form forming magnetic core, two forming recess simultaneously operatings Production efficiency is not only substantially increased, but also substantially increases magnetic yields.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations;Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features;And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (7)

1. a kind of ferrite core of nickel-zinc production molding die, including mold platform, mold platform lower end connected vertically four A support leg, mold platform upper end two slide bars connected vertically, two slide bar upper ends same top plate connected vertically, top plate The lower andante that the hydraulic cylinder being fixedly connected in the middle part of lower end is fixedly connected with hydraulic cylinder output end;
It is characterized by: the lower end of the lower andante is symmetrically connected with two upper molds, and the lower end of upper mold offers molding Type chamber, forming recess is interior to be equipped with compaction apparatus, and the lower section of the upper mold is equipped with lower mold, and the upper end of lower mold symmetrically connects There are two mold core, the inside of the lower mold is equipped with envelope mold device, and the lower end of the lower mold and the upper end of mold platform are fixed Connection, and opened up on lower mold there are four aciculiform injection port, the lower end of the aciculiform injection port penetrates through two U-tubes of connection respectively Upper end, and the lower end of two U-tubes through mold platform side wall and reach the lower section of mold platform, two U-tubes Lower end perforation connect the output end of same powder injection device;
The envelope mold device includes two sealing plates, and it is symmetrical that two sealing plates are slidably connected at lower mould side wall both ends respectively It is opened up in the two bar shaped sliding slots opened up, and on the side wall of sealing plate there are two the aciculiform through-hole to match with aciculiform injection port, One end that two sealing plates are located remotely from each other arrives separately at the inner cavity of two sleeves and is vertically connected with permanent magnet, the permanent magnetism The inner sidewall of iron and sleeve is slidably connected, and sleeve is fixedly connected with the upper end of mold platform, and the other end of the permanent magnet is logical It crosses reset spring and is connected with electromagnet, and electromagnet is fixedly connected with the inner sidewall of sleeve, it is fixed on the side wall of the permanent magnet It is connected with the first bronze medal contact block, and the first bronze medal contact block is slidably connected in the bar shaped sliding slot opened up in sleeve lateral wall, two items The inner sidewall that shape sliding slot is located remotely from each other one end is fixedly connected with the second bronze medal contact block.
2. a kind of ferrite core of nickel-zinc production molding die as described in claim 1, it is characterised in that: the compacting dress It sets including two squeeze boards, the inner sidewall of the squeeze board and upper mold is slidably connected, and the upper end perforation of squeeze board is connected with Hollow shaft, the side wall and screw thread of roof and lower andante that the upper end of the hollow shaft sequentially passes through upper mold are socketed with belt wheel, and two A belt wheel is connected by driving belt, is coaxially connected with first bevel gear positioned at the upper end of the belt wheel on right side, and the One bevel gear is engaged with second bevel gear, the rotation axis on the rear end connection servo motor of the second bevel gear, and servo electricity Machine is fixedly connected by bracket with the upper end of lower andante.
3. a kind of ferrite core of nickel-zinc production molding die as claimed in claim 2, it is characterised in that: the hollow shaft Lumenal cross-section product be greater than mold core cross-sectional area.
4. a kind of ferrite core of nickel-zinc production molding die as described in claim 1, it is characterised in that: the mold core Length is consistent with the cavity heights of forming recess.
5. a kind of ferrite core of nickel-zinc production molding die as described in claim 1, it is characterised in that: on the slide bar Sliding sleeve is connected to sliding sleeve, and the opposite side of two sliding sleeves is fixedly connected with the both ends of lower andante.
6. a kind of ferrite core of nickel-zinc production molding die as described in claim 1, it is characterised in that: the upper mold Cavity wall on be provided with a no less than gas vent.
7. a kind of ferrite core of nickel-zinc production molding die as described in claim 1, it is characterised in that: the upper mold Forming face with mold core is mirror surface structure.
CN201821596658.3U 2018-09-29 2018-09-29 Molding die is used in a kind of production of ferrite core of nickel-zinc Expired - Fee Related CN209394920U (en)

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CN201821596658.3U CN209394920U (en) 2018-09-29 2018-09-29 Molding die is used in a kind of production of ferrite core of nickel-zinc

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Application Number Priority Date Filing Date Title
CN201821596658.3U CN209394920U (en) 2018-09-29 2018-09-29 Molding die is used in a kind of production of ferrite core of nickel-zinc

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CN209394920U true CN209394920U (en) 2019-09-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111730719A (en) * 2020-05-11 2020-10-02 湖北华磁电子科技有限公司 Improved novel manganese-zinc soft magnetic ferrite core die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111730719A (en) * 2020-05-11 2020-10-02 湖北华磁电子科技有限公司 Improved novel manganese-zinc soft magnetic ferrite core die
CN111730719B (en) * 2020-05-11 2022-02-08 湖北华磁电子科技有限公司 Improved novel manganese-zinc soft magnetic ferrite core die

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190917

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