CN208341732U - A kind of molding die of powder metallurgy magnetic substance - Google Patents

A kind of molding die of powder metallurgy magnetic substance Download PDF

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Publication number
CN208341732U
CN208341732U CN201820899820.2U CN201820899820U CN208341732U CN 208341732 U CN208341732 U CN 208341732U CN 201820899820 U CN201820899820 U CN 201820899820U CN 208341732 U CN208341732 U CN 208341732U
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China
Prior art keywords
undershoot
interior
molding die
red seat
seat
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CN201820899820.2U
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Chinese (zh)
Inventor
武建芬
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NBTM New Materials Group Co Ltd
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NBTM New Materials Group Co Ltd
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Priority to CN201820899820.2U priority Critical patent/CN208341732U/en
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Abstract

A kind of molding die of powder metallurgy magnetic substance, including former, upper punching and undershoot, it is characterized by: the undershoot is divided into outer undershoot and has both the interior undershoot of plug effect, former, Shang Chong, outer undershoot and interior undershoot constitute the type chamber of magnetic substance, wherein interior undershoot is shaped to the pyramidal structure that upper dimension is small, lower dimension is big.The utility model is simple and reasonable, not only effectively eliminates product mold sticking, avoids the generation of product unfilled corner crack defect, and also avoid the problem of mold is broken, automatic continuous production may be implemented, substantially increase product manufacturing efficiency, saved Mold Making cost.

Description

A kind of molding die of powder metallurgy magnetic substance
Technical field
The utility model relates to a kind of powder metallurgical technologies, and in particular to a kind of molding die, and in particular to a kind of The molding die of powder metallurgy magnetic substance.
Background technique
Molding die is the key tool of sintered metal product production, and the precision of molding die directly determines the essence of product Degree.The manufacture of general powder metallurgy magnetic substance all uses Dan Shangchong, the concrete-cored stick of single undershoot and female mould structure.Due to magnetic body wall Thin, practical drip molding intensity is very low, and contact area is big between mold and product, and depanning power is larger.Product is easy in depanning It inhales and takes not get off on formed punch, influence being carried out continuously for production, and unfilled corner risk increase of colliding with;When depanning, because depanning power is excessive, Easily there is the case where plug is broken, the slow manufacturing schedule of very big floor mop increases the cost of Mold Making.
Through looking into, a kind of Chinese patent " thin wall powder metallurgy forming mould of existing Patent No. CN201320686437.6 Tool ", which includes magazine, upper trimming die and lower punch, be equipped in lower punch can movable independently type core, be arranged on lower punch Can movable independently type chamber, type chamber, lower punch and type core surround load powder inclusion cavity, lower punch be equipped be aligned with type chamber And the stop block that can be extracted out, upper trimming die is interior to be forced into bar equipped with the type core opposite with type core, and upper trimming die bottom is equipped with connecting-type core Spacer, type core are forced into bar with type core and are driven by power mechanism.This molding die makes molding blank Density Distribution more Uniformly, and then product quality is effectively increased, but without solving the problems, such as that sticking to mould and plug are easy to break.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of structure for the above-mentioned state of the art and simply close The shaping dies of the powder metallurgy magnetic substance of reason can effectively solve the problems, such as that sticking to mould and plug are broken.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of molding of powder metallurgy magnetic substance Mold, including former, upper punching and undershoot, it is characterised in that: the undershoot is divided into outer undershoot and has both the interior undershoot of plug effect, Former, Shang Chong, outer undershoot and interior undershoot constitute the type chamber of magnetic substance, wherein in undershoot be shaped to that upper dimension is small, lower dimension Big pyramidal structure.
Further, the interior undershoot is fixed on interior lower red seat, and threaded hole, the lower end of interior undershoot are offered on interior lower red seat It is fixed on interior lower red seat by interior undershoot follower bolt.
Further, it is described it is interior under rush to coaxial sleeve and be equipped with outer lower red seat for installing outer undershoot, be provided on outer lower red seat The lower end of threaded mounting hole, outer undershoot is fixed on outer lower red seat by outer undershoot follower bolt.
Further, outer undershoot backing plate is lined between the upper end and outer undershoot bottom of the outer lower red seat.
Finally, the top of the former is equipped with the rush-up seat rushed on fixed, rush-up seat is located at the upper end of upper punching, upper punching The lower end of seat offers bolt hole, and the upper end of upper punching is fixed by upper pressed sheet and rush-up seat bolt.
Compared with the prior art, the advantages of the utility model are: undershoot and outer undershoot in being arranged, and interior undershoot is using upper The small pyramidal structure of portion's size, when such depanning interior undershoot top and drip molding between contact area reduce, part can be discharged Depanning power, product ejection is more smooth, avoids mold sticking;Interior undershoot has the function of plug, is placed on interior lower red seat, under interior Red seat can bear higher depanning power, effectively mold be avoided to break situation.The utility model is simple and reasonable, not only effectively disappears In addition to product mold sticking, the generation of product unfilled corner crack defect is avoided, and also avoids the problem of mold is broken, it can be with It realizes automatic continuous production, substantially increases product manufacturing efficiency, saved Mold Making cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the structural schematic diagram of the interior undershoot of the utility model embodiment;
Fig. 3 is the structural schematic diagram of the magnetic substance of the utility model embodiment preparation;
Fig. 4 is the structural schematic diagram of another angle of magnetic substance.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figure 1, 2, a kind of molding die of powder metallurgy magnetic substance, including former 1, upper punching 2, outer undershoot 3 and interior Undershoot 4, former 1, upper punching 2, outer undershoot 3 and interior undershoot 4 constitute the type chamber of magnetic substance 9;The top of former 1 is equipped with for fixed The rush-up seat 5 of punching 2, rush-up seat 5 are located at the upper end of upper punching 2, and the lower end of rush-up seat 5 offers bolt hole, and the upper end of upper punching 2 passes through Upper pressed sheet 21 is fixed with 5 bolt of rush-up seat;Interior undershoot 4 is shaped to the pyramidal structure that upper dimension is small, lower dimension is big, in this way Reduce the contact area between interior 4 top of undershoot and drip molding, so that depanning power reduces, depanning is smooth, and interior undershoot 4 has core The effect of stick, interior undershoot 4 are fixed on interior lower red seat 8, and threaded hole is offered on interior lower red seat 8, and the lower end of interior undershoot 4 passes through interior Lower 41 bolt of pressed sheet is fixed on interior lower red seat 8;Coaxial sleeve is equipped with the outer lower red seat for installing outer undershoot 3 in interior undershoot 4 6, threaded mounting hole is provided on outer lower red seat 6, and the lower end of outer undershoot 3 is fixed on outer lower red seat 6 by outer lower 31 bolt of pressed sheet On, it is descended between 3 bottom of upper end and outer undershoot of red seat 6 outside and is lined with outer undershoot backing plate 7;
During depanning, outer undershoot 3 is remained stationary, and former 1 and the continuation of interior undershoot 4 move down, the prominent former of product 1, since interior undershoot 4 is pyramidal structure, upper dimension is smaller, so that contact area is reduced between 4 top of interior undershoot and drip molding, Part depanning power can be discharged, product depanning is more smooth, avoids mold sticking, continuously produces to be able to achieve.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into retouching.

Claims (5)

1. a kind of molding die of powder metallurgy magnetic substance, including former, upper punching and undershoot, it is characterised in that: the undershoot point For outer undershoot and the interior undershoot for having both plug effect, former, Shang Chong, outer undershoot and interior undershoot constitute the type chamber of magnetic substance, wherein Interior undershoot is shaped to the pyramidal structure that upper dimension is small, lower dimension is big.
2. molding die according to claim 1, it is characterised in that: the interior undershoot is fixed on interior lower red seat, under interior Threaded hole is offered on red seat, the lower end of interior undershoot is fixed on interior lower red seat by interior undershoot follower bolt.
3. molding die according to claim 2, it is characterised in that: it is described it is interior under rush to coaxial sleeve be equipped with it is outer for installing The outer lower red seat of undershoot is provided with threaded mounting hole on outer lower red seat, and the lower end of outer undershoot is fixed on by outer undershoot follower bolt Outside on lower red seat.
4. molding die according to claim 3, it is characterised in that: the upper end of the outer lower red seat and outer undershoot bottom it Between be lined with outer undershoot backing plate.
5. molding die according to claim 1, it is characterised in that: the top of the former, which is equipped with, to be rushed on fixed Red seat, rush-up seat are located at the upper end of upper punching, and the lower end of rush-up seat offers bolt hole, the upper end of upper punching by upper pressed sheet with it is upper Red seat bolt is fixed.
CN201820899820.2U 2018-06-11 2018-06-11 A kind of molding die of powder metallurgy magnetic substance Active CN208341732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820899820.2U CN208341732U (en) 2018-06-11 2018-06-11 A kind of molding die of powder metallurgy magnetic substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820899820.2U CN208341732U (en) 2018-06-11 2018-06-11 A kind of molding die of powder metallurgy magnetic substance

Publications (1)

Publication Number Publication Date
CN208341732U true CN208341732U (en) 2019-01-08

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CN201820899820.2U Active CN208341732U (en) 2018-06-11 2018-06-11 A kind of molding die of powder metallurgy magnetic substance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115255361A (en) * 2022-06-22 2022-11-01 东睦新材料集团股份有限公司 Powder metallurgy forming die and forming method of magnetic conduction block

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115255361A (en) * 2022-06-22 2022-11-01 东睦新材料集团股份有限公司 Powder metallurgy forming die and forming method of magnetic conduction block

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