CN207205274U - A kind of MIM techniques runner - Google Patents
A kind of MIM techniques runner Download PDFInfo
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- CN207205274U CN207205274U CN201721119590.5U CN201721119590U CN207205274U CN 207205274 U CN207205274 U CN 207205274U CN 201721119590 U CN201721119590 U CN 201721119590U CN 207205274 U CN207205274 U CN 207205274U
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- partial pressure
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- pressure runner
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Abstract
A kind of MIM techniques runner, using square ranking runner, it includes sprue, one-level partial pressure runner, two level partial pressure runner, and diameter tapers off setting;Sprue includes two long main partial pressure runner and two short main partial pressure runner, forms cross runner;The intersection of cross runner is provided with into cast gate;Top of the end of cross runner respectively with four one-level partial pressure runners is connected, wherein the end for the one-level partial pressure runner being connected with short main partial pressure runner is provided with one-level partial pressure runner branches;The end of one-level partial pressure runner branches is connected with the top of two level partial pressure runner;The end of two level partial pressure runner and the one-level partial pressure runner being connected with the main partial pressure runner of length is equipped with circular exhaust end;Long main partial pressure runner and one-level partial pressure runner branches are equipped with master close to end and enter cast gate;Short main partial pressure runner, one-level partial pressure runner, two level partial pressure runner are equipped with close to end and assisted into cast gate;It has the advantages such as mould and die accuracy is high, production efficiency is high, production cost is low.
Description
Technical field
It the utility model is related to MIM injection product technology fields, and in particular to a kind of MIM techniques runner.
Background technology
Metal (ceramics) powder injection-molded technology (Metal Injection Molding, abbreviation MIM technology) is collection modeling
Expect the multidisciplinary productions interpenetrated with intersecting such as moulding process, polymer chemistry, powder metallurgy technology and Metal Material Science
Thing, using mould injection moldable blank and by sintering quick manufacture high density, high accuracy, the structure of three-dimensional complex shapes zero
Part, can fast and accurately by design philosophy turn materially with certain structure, functional characteristic product and can directly produce in batches
Go out part, be the once new change of manufacturing technology industry.
In existing MIM techniques, normal product and runner weight are ratio 1:6, and following defect be present:1st, mould water
Mouth waste material is more, causes purchase cost to rise indirectly;2nd, time length is injection moulded, consumption of raw materials is big;3rd, raw material is dull more, manages into
This is big.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of simple in construction, design is closed
Reason, MIM technique runners easy to use.
To achieve the above object, the technical solution adopted in the utility model is:Runner is square ranking runner, square ranking
Runner includes sprue, one-level partial pressure runner, two level partial pressure runner;Sprue, one-level partial pressure runner, two level partial pressure runner it is straight
Footpath tapers off setting;Sprue is provided with four main partial pressure runners, forms cross runner;The intersection of cross runner is set
Have into cast gate;The runner extended in four main partial pressure runners along product long side direction is long main partial pressure runner, along product short side side
It is short main partial pressure runner to the runner of extension;The end of four main partial pressure runners connects with the top of four one-level partial pressure runners respectively
Connect, wherein the end for the one-level partial pressure runner being connected with short main partial pressure runner is provided with symmetrical one-level partial pressure runner branches;
The end of one-level partial pressure runner branches is connected with the top of two level partial pressure runner;Two level partial pressure runner and partial pressure runner main with length connect
The end of the one-level partial pressure runner connect is equipped with circular exhaust end;Long main partial pressure runner is close to end, one-level partial pressure runner point
Rest against to be equipped with proximal end and lead cast gate;Short main partial pressure runner is close to end, one-level partial pressure runner close to end, two level
Partial pressure runner is equipped with close to end assists into cast gate;
Preferably, the diameter of a diameter of 2.5mm of described sprue, one-level partial pressure runner and one-level partial pressure runner branches
For 2.0mm, a diameter of 1.8mm of two level partial pressure runner;
Preferably, the ratio of product and runner weight is 1:1.
After said structure, the utility model has the beneficial effect that:A kind of MIM techniques runner tool described in the utility model
Have the advantage that:
In terms of mould:1st, MIM Mold Makings difficulty is reduced, and mould processing place is reduced, and precision improvement, difficulty reduces;
2nd, MIM die steels materials are reduced, and die is changed to 100*150mm by original 140*140mm, becomes overall die size
Small, die steel materials are reduced;3rd, the MIM moulds process-cycle shortens, and mould copper metric system is made, and the die discharge time shortens;4th, carry
High mould and die accuracy;
In terms of injection moulding:1st, molding cycle is reduced, and molding cycle shortens to 18s~19s by original 22s, is improved
Production efficiency;2nd, gate waste greatly reduces, and product is with mouth of a river weight than by original 1:6 are changed to 1:1;3rd, production is reduced
Raw material increases number, measures and reduces because of the mouth of a river, the service life of material is added, so as to reduce the number of charging;
In terms of product:1st, base flash is molded to reduce or do not have;2nd, product size is shunk evenly, and product size is more accurate
Really;3rd, product internal stress reduces, the easy shaping of product after sintering, and size is easier to control.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1st, assist into cast gate;2nd, short main partial pressure runner;3rd, cast gate is entered;4th, circular exhaust end;5th, product;6th, long main partial pressure stream
Road;7th, master enters cast gate;8th, two level partial pressure runner;9th, one-level partial pressure runner branches;10th, one-level partial pressure runner.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is further described.
Referring to shown in Fig. 1, the technical scheme that present embodiment uses is:Runner is square ranking runner, square row
Bit stream road includes sprue, one-level partial pressure runner 10, two level partial pressure runner 8;Sprue, one-level partial pressure runner 10, two level partial pressure
The diameter of runner 8 tapers off setting;Sprue is provided with four main partial pressure runners, forms cross runner;Cross runner
Intersection is provided with into cast gate 3;The runner extended in four main partial pressure runners along the long side direction of product 5 is long main partial pressure runner 6,
The runner extended along the short side direction of product 5 is short main partial pressure runner 2;The end of four main partial pressure runners respectively with four fractions
The top connection of runner 10 is pressed, wherein the end for the one-level partial pressure runner being connected with short main partial pressure runner 2 is provided with symmetrical
One-level partial pressure runner branches 9;The end of one-level partial pressure runner branches 9 is connected with the top of two level partial pressure runner 8;Two level partial pressure stream
The end of road 8 and the one-level partial pressure runner 10 being connected with the main partial pressure runner 6 of length is equipped with circular exhaust end 4;Long main partial pressure runner 6
Master is equipped with close to end enter cast gate 7 close to end, one-level partial pressure runner branches 9;Short main partial pressure runner 2 is close to end
Place, one-level partial pressure runner 10 are equipped with close to end and assisted into cast gate 1 close to end, two level partial pressure runner 8;
Preferably, a diameter of 2.5mm of described sprue, one-level partial pressure runner 10 and one-level partial pressure runner branches 9
A diameter of 2.0mm, a diameter of 1.8mm of two level partial pressure runner 8;
Preferably, the ratio of product 5 and runner weight is 1:1.
Present embodiment has carried out exhaust improvement, flowpath pressure improves and ranking improves.
Exhaust improves:In present embodiment, circular exhaust end 4 be located at two level partial pressure runner 8 and with the main partial pressure stream of length
The end for the one-level partial pressure runner 10 that road 6 connects, it is vented in advance to shunt waste gas when runner is projected and filled and discharges, solve
Product projects the states such as discontented or unsaturation caused by original design is vented on product;
Flowpath pressure improves:Sprue, one-level partial pressure runner 10, the diameter of two level partial pressure runner 8 be respectively 2.5mm,
2.0mm, 1.8mm, molding cycle shorten to 18s~19s by original 22s, improve production efficiency;
Ranking improves:Square ranking is changed to and with runner and entering with cast gate from original circular ranking, ensure that product
Outward appearance, raw materials for production increase number is reduced, measures and reduces because of the mouth of a river, add the service life of material, so as to reduce charging.
It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple
The other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, it all should cover among right of the present utility model.
Claims (3)
1. a kind of MIM techniques runner, it is characterised in that runner is square ranking runner, and square ranking runner includes sprue, one
Level partial pressure runner, two level partial pressure runner;Sprue, one-level partial pressure runner, the diameter of two level partial pressure runner taper off setting;Main flow
Road is provided with four main partial pressure runners, forms cross runner;The intersection of cross runner is provided with into cast gate;Four masters point
It is long main partial pressure runner to press the runner extended in runner along product long side direction, and the runner extended along product short side direction is short master
Partial pressure runner;Top of the end of four main partial pressure runners respectively with four one-level partial pressure runners is connected, wherein with short main partial pressure
The end of the one-level partial pressure runner of runner connection is provided with symmetrical one-level partial pressure runner branches;One-level partial pressure runner branches
End is connected with the top of two level partial pressure runner;Two level partial pressure runner and the one-level partial pressure runner that is connected with the main partial pressure runner of length
End is equipped with circular exhaust end;Long main partial pressure runner is equipped with close to end, one-level partial pressure runner branches close to end
Master enters cast gate;Short main partial pressure runner is close to end, one-level partial pressure runner close to end, two level partial pressure runner close to end
It is equipped with and assists into cast gate.
A kind of 2. MIM techniques runner according to claim 1, it is characterised in that a diameter of 2.5mm of described sprue,
A diameter of 2.0mm of one-level partial pressure runner and one-level partial pressure runner branches, a diameter of 1.8mm of two level partial pressure runner.
3. a kind of MIM techniques runner according to claim 1, it is characterised in that the ratio of product and runner weight is 1:1.
Priority Applications (1)
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CN201721119590.5U CN207205274U (en) | 2017-08-31 | 2017-08-31 | A kind of MIM techniques runner |
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CN201721119590.5U CN207205274U (en) | 2017-08-31 | 2017-08-31 | A kind of MIM techniques runner |
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Publication Number | Publication Date |
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CN207205274U true CN207205274U (en) | 2018-04-10 |
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CN201721119590.5U Active CN207205274U (en) | 2017-08-31 | 2017-08-31 | A kind of MIM techniques runner |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110605822A (en) * | 2019-07-30 | 2019-12-24 | 上海富驰高科技股份有限公司 | Method for manufacturing long rod-shaped MIM product in non-shaping state |
-
2017
- 2017-08-31 CN CN201721119590.5U patent/CN207205274U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110605822A (en) * | 2019-07-30 | 2019-12-24 | 上海富驰高科技股份有限公司 | Method for manufacturing long rod-shaped MIM product in non-shaping state |
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TR01 | Transfer of patent right |
Effective date of registration: 20220602 Address after: 201900 No. 3998, Panjing Road, Baoshan District, Shanghai Patentee after: FUTURE HIGH-TECH Co.,Ltd. Address before: 518000 workshop 1 and 3, zone a, xinfengze industrial plant, Shangnan East Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FUTURE TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right |