CN108907135A - A kind of pressurized construction and extruding shrinkage compensation method of extrusion casint - Google Patents
A kind of pressurized construction and extruding shrinkage compensation method of extrusion casint Download PDFInfo
- Publication number
- CN108907135A CN108907135A CN201811069277.4A CN201811069277A CN108907135A CN 108907135 A CN108907135 A CN 108907135A CN 201811069277 A CN201811069277 A CN 201811069277A CN 108907135 A CN108907135 A CN 108907135A
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- CN
- China
- Prior art keywords
- cover half
- pressurization
- booster body
- dynamic model
- pressurized
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of pressurized construction of extrusion casint and squeeze shrinkage compensation method, wherein, the pressurized construction of extrusion casint includes cover half, dynamic model and booster body, the cover half includes cover half seat, cover half core and cover half fixed frame, the dynamic model includes dynamic model seat, moving-mould-core and dynamic model fixed frame, cover half core lower end surface offers cavity plate slot, and moving-mould-core upper surface is provided with the dynamic model head protruded into cavity plate slot, and cover half core and moving-mould-core surround the mold cavity of casting product；Booster body includes the first booster body and the second booster body, and the first booster body for being pressurized into mold cavity is equipped on the cover half, the second booster body for being pressurized into mold cavity is equipped on the dynamic model.Structure of the invention is reasonable, it is ensured that the defects of tissue tight of the cast product of production is uniform, and cast product is avoided to generate shrinkage porosite, shrinkage cavity at thermal center, product quality is improved.
Description
Technical field
The present invention relates to automobile part production technique field, the pressurized construction of specially a kind of extrusion casint and extruding are mended
Contracting method.
Background technique
Automobile parts processing (auto spare parts) is to constitute the whole each unit of automobile parts processing and serve
The product of automobile parts processing.Basis of the auto parts and components as auto industry is support auto industry sustainable and healthy development
Necessary factor.The especially independent development and innovation of vigorous, the like a raging fire development of current automotive industry, with greater need for one
A powerful components system supports.Vehicle independent brand and technological innovation need components to make basis, components it is autonomous
Innovation generates powerful motive force to the development of vehicle industry again, they influence each other, interact, and vehicle is not autonomous
The research and development innovation capability of brand, powerful components system is difficult to burst out, without the support of powerful components system, independent brand
It is hard to carry on to be your writing good general.
The metal parts of automotive interior mostly use casting and forming to be made greatly, and die casting machine is used in existing auto parts and components production
Common die-casting process production can only be met, and there are crackle, shrinkage and air-tightness for the die casting for using common die-casting process to make
The problems such as not up to standard and mechanical strength is relatively low.On the other hand it squeezes die-casting process and is able to solve original simple die-casting process production
Die-cast product present in quality problems.The institutional framework for how improving cast product avoids shrinkage porosite, shrinkage cavity, and it is qualified to be promoted
Rate becomes urgent problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of pressurized construction of extrusion casint and shrinkage compensation method is squeezed, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of pressurized construction of extrusion casint, including cover half, dynamic model and booster body, the cover half include cover half seat,
Cover half core and cover half fixed frame, the dynamic model include dynamic model seat, moving-mould-core and dynamic model fixed frame, cover half core lower end surface
Cavity plate slot is offered, moving-mould-core upper surface is provided with the dynamic model head protruded into cavity plate slot, and cover half core and moving-mould-core surround casting casting
The mold cavity of part product；Booster body includes the first booster body and the second booster body, be equipped on the cover half for
The first booster body being pressurized in mold cavity is equipped with the second booster body for being pressurized into mold cavity on the dynamic model.
As a further solution of the present invention：First booster body includes bracket, pressurizing cylinder and the first pressurization
Mandrel, the pedestal upper end extension are fixed on cover half seat, and pressurizing cylinder, cover half fixed frame side are fixedly installed on bracket
End offers and slides laterally chamber, slides laterally intracavitary sliding and is fitted with sliding block, and activity is fitted with the respectively for cover half core two sides
The inner end of one pressurization mandrel, the first pressurization mandrel extends to inside mold cavity, and the outboard end of the first pressurization mandrel extends to cross
It is fixedly connected inside to sliding cavity and with slider end, the oil cylinder telescopic rod end of the pressurizing cylinder and the outboard end of sliding block drive
Dynamic connection.
As a further solution of the present invention：Second booster body includes the second pressurization mandrel, supercharging base and seat
Plate, dynamic model seat lower end surface offer pressurization installation groove body, are pressurized in mounting groove body and are equipped with supercharging base, in the supercharging base
It is provided with pressurization oil pocket and at least one piston channel being connected to pressurization oil pocket, sealing sliding setting in the piston channel
There is charged piston, the pressurization through-hole that at least one top is connected to mold cavity is offered in the moving-mould-core, is pressurized living in through-hole
Dynamic to be fitted with the second pressurization mandrel, the second pressurization mandrel bottom passes through dynamic model seat and supercharging base and extends in piston channel,
The bottom of second pressurization mandrel is fixedly connected with charged piston.
As a further solution of the present invention：The lower section of the second pressurization mandrel is set with reset spring, reset spring
Bottom be fixedly connected with charged piston upper surface, the top of reset spring with supercharging base corresponding at the top of piston channel is fixed connects
It connects.
As a further solution of the present invention：Inner wall and the second pressurization mandrel outer circumferential walls are provided in the pressurization through-hole
The anti-wear sleeve of clearance fit, the second pressurization mandrel surface are provided with silicon nitride ceramics layer.
As a further solution of the present invention：The supercharging base lower end surface offers oil pocket corresponding with pressurization oil pocket and opens
Mouthful, capping has seat board in oil pocket opening, is equipped on seat board for the Oil Guide mouth to the intracavitary importing hydraulic oil of pressurised oil.
As a further solution of the present invention：Sprue bush is installed, the sprue bush lower end passes through fixed on the cover half seat
Die holder and cover half core, and be connected to mold cavity upper end.
A kind of extruding shrinkage compensation method based on any of the above-described extrusion casint, specifically comprises the following steps：
1) squeeze casting mould is designed and produces, which includes cover half, dynamic model and booster body, is increased
Press mechanism includes for applying stressed first booster body to mold cavity side wall and for applying pressure to mold cavity bottom
The second booster body；
2) squeeze casting mould is installed on die casting machine, is molded, die casting machine is squeezed into metallic solution by injection plunger
In sprue bush, metallic solution is flow in mold cavity；
3) then, the pressurizing cylinder work of the first booster body, drives in the first boost cartridge axial direction casting cavity and moves, to casting
It makes chamber two sides side-walls to be pressurized, local extrusion forming is carried out to the cast product side wall in semisolid in real time；
4) then, the pressurised oil of the second booster body is intracavitary is imported into hydraulic oil, and hydraulic oil pushes charged piston in piston
It moves upwards in channel, so that being moved at the top of the second pressurization mandrel into casting cavity, the lower end surface of casting cavity is pressurized, it is real
When local extrusion forming is carried out to the cast product lower end surface in semisolid；
5) it is cooled and shaped, is demoulded to get the cast product after feeding is squeezed after squeezing.
Compared with prior art, the beneficial effects of the invention are as follows：Extruding feeding is carried out to mold cavity by booster body, it is real
Now common die-castingmold filling squeezes the purpose of die casting feeding, it is ensured that the tissue tight of cast product is uniform, and product quality improves, often
Warm intensity and fatigue strength also get a promotion；Casting cavity two sides side-walls are pressurized by the first booster body, it is right in real time
Cast product side wall in semisolid carries out local extrusion forming, avoids generating contracting at the thermal center of cast product two sides side wall
The defects of pine, shrinkage cavity；It is pressurized by lower end surface of second booster body to casting cavity, in real time to the casting for being in semisolid
Product lower end surface carries out local extrusion forming, effectively avoids the defects of shrinkage porosite, shrinkage cavity are generated at the thermal center of cast product lower end surface.
Structure of the invention is reasonable, it is ensured that the tissue tight of the cast product of production is uniform, avoid cast product generated at thermal center shrinkage porosite,
The defects of shrinkage cavity, product quality are improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the pressurized construction of extrusion casint；
Fig. 2 is the structural schematic diagram of the second booster body in a kind of pressurized construction of extrusion casint.
In figure：100- cast product, 1- sprue bush, 11- pressure diversion cavity, the first booster body of 2-, 21- bracket, 22- increase
Compressing cylinder, 23- oil cylinder telescopic rod, 24- sliding block, 25- first are pressurized mandrel, the second booster body of 3-, 31- supercharging base, 311- increasing
Pumping cavity, 32- seat board, 33- Oil Guide mouth, 34- second are pressurized mandrel, 341- charged piston, 35- reset spring, 36- seat board, 4-
Cover half seat, 5- cover half core, 6- cover half fixed frame, 61- slide laterally chamber, 7- dynamic model seat, and 71-, which is pressurized, installs groove body, 8- moving-mould-core,
81- is pressurized through-hole, 82- anti-wear sleeve, 9- dynamic model fixed frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1~2 are please referred to, the present invention provides a kind of technical solution：A kind of pressurized construction of extrusion casint, including cover half,
Dynamic model and booster body, the cover half include cover half seat 4, cover half core 5 and cover half fixed frame 6, and the dynamic model includes dynamic model
Seat 7, moving-mould-core 8 and dynamic model fixed frame 9,5 lower end surface of cover half core offer cavity plate slot, and 8 upper surface of moving-mould-core is provided with
The dynamic model head in cavity plate slot is protruded into, cover half core 5 and moving-mould-core 8 surround the mold cavity of casting product 100；Booster body includes
First booster body 2 and the second booster body 3 are equipped with the first booster body for being pressurized into mold cavity on the cover half
2, the second booster body 3 for being pressurized into mold cavity is installed on the dynamic model.
Wherein, first booster body 2 includes bracket 21, pressurizing cylinder 22 and the first pressurization mandrel 23, the branch
21 upper end of frame, which extends, to be fixed on cover half seat 4, and pressurizing cylinder 22,6 side of cover half fixed frame are fixedly installed on bracket 21
It offers and slides laterally chamber 61, slide laterally sliding in chamber 61 and be fitted with sliding block 24,5 two sides of cover half core activity inserting respectively
There is the first pressurization mandrel 25, the inner end of the first pressurization mandrel 25 extends to inside mold cavity, the outside of the first pressurization mandrel 25
End, which extends to, to be slid laterally 61 inside of chamber and is fixedly connected with 24 end of sliding block, 23 end of oil cylinder telescopic rod of the pressurizing cylinder 22
The outboard end of portion and sliding block 24 is drivingly connected.
Second booster body 3 includes the second pressurization mandrel 34, supercharging base 31 and seat board 32, under the dynamic model seat 7
End face offers pressurization installation groove body 71, is equipped with supercharging base 31 in pressurization installation groove body 71, is provided in the supercharging base 31
Pressurization oil pocket 311 and at least one piston channel being connected to pressurization oil pocket 311, the interior sealing sliding setting of the piston channel
There is charged piston 341, the pressurization through-hole 81 that at least one top is connected to mold cavity is offered in the moving-mould-core 8, pressurization is logical
Activity is fitted with the second pressurization mandrel 34 in hole 81, and the second pressurization 34 bottom of mandrel passes through dynamic model seat 7 and supercharging base 31 and prolongs
It extends in piston channel, the bottom of the second pressurization mandrel 34 is fixedly connected with charged piston 341.
It may be preferred that the lower section of the second pressurization mandrel 34 is set with reset spring 35, the bottom of reset spring 35 with
341 upper surface of charged piston is fixedly connected, and the top of reset spring 35 is fixed with supercharging base 31 corresponding at the top of piston channel to be connected
It connects.After demoulding, hydraulic oil is extracted out out of pressurization oil pocket 311, the second pressurization mandrel 34 can be again under the action of reset spring 35
It resets.
The anti-wear sleeve of inner wall and the second pressurization 34 outer circumferential walls clearance fit of mandrel is provided in the pressurization through-hole 81
82, second pressurization, 34 surface of mandrel is provided with silicon nitride ceramics layer.Anti-wear sleeve 82 can reduce by the second pressurization mandrel 34
The moving resistance of movement, silicon nitride ceramics layer can effectively improve 34 wearability of the second pressurization mandrel and high temperature resistance, extend
The service life of second pressurization mandrel 34.
31 lower end surface of supercharging base offers oil pocket corresponding with pressurization oil pocket 311 and is open, and covering in oil pocket opening has
Seat board 36 is equipped with the Oil Guide mouth 33 for importing hydraulic oil into pressurization oil pocket 311 on seat board 36.Reasonable structural arrangement, the
It is convenient that the production of two booster bodies 3 forms, and reduces the cost of manufacture of squeeze casting mould.
Sprue bush 1 is installed on the cover half seat 4,1 lower end of sprue bush passes through cover half seat 4 and cover half core 5, and with
The connection of mold cavity upper end.Opening from top to bottom is formed in sprue bush 1 is gradually reduced pressure diversion cavity 11.
A kind of extruding shrinkage compensation method of extrusion casint, specifically comprises the following steps：
1) squeeze casting mould is designed and produces, which includes cover half, dynamic model and booster body, is increased
Press mechanism includes for applying stressed first booster body 2 to mold cavity side wall and for applying pressure to mold cavity bottom
The second booster body 3；
2) squeeze casting mould is installed on die casting machine, is molded, die casting machine is squeezed into metallic solution by injection plunger
In sprue bush 1, metallic solution is flow in mold cavity；
3) then, the pressurizing cylinder 22 of the first booster body 2 works, and driving the first pressurization mandrel 25 is moved into casting cavity
It is dynamic, casting cavity two sides side-walls are pressurized, part is carried out to 100 side wall of cast product in semisolid in real time and is squeezed into
Type；
4) hydraulic oil then, is imported into the pressurization oil pocket 311 of the second booster body 3, hydraulic oil pushes charged piston 341
Moved upwards in piston channel so that the second pressurization mandrel 34 top is moved into casting cavity, to the lower end surface of casting cavity into
Row pressurization carries out local extrusion forming to 100 lower end surface of cast product in semisolid in real time；
5) it is cooled and shaped, is demoulded to get the cast product 100 after feeding is squeezed after squeezing.
Extruding feeding is carried out to mold cavity by booster body, realizes common die-castingmold filling, squeezes the purpose of die casting feeding,
Ensure that the tissue tight of cast product is uniform, product quality improves, and normal temperature strength and fatigue strength also get a promotion；Pass through first
Booster body 2 is pressurized casting cavity two sides side-walls, carries out part to the cast product side wall in semisolid in real time and squeezes
It is molded, avoid the defects of shrinkage porosite, shrinkage cavity are generated at the thermal center of cast product two sides side wall；It is cast by 3 Duis of the second booster body
The lower end surface for making chamber is pressurized, and is carried out local extrusion forming to the cast product lower end surface in semisolid in real time, is effectively kept away
Exempt from the defects of shrinkage porosite, shrinkage cavity are generated at the thermal center of cast product lower end surface.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of pressurized construction of extrusion casint, it is characterised in that：Including cover half, dynamic model and booster body, the cover half packet
Cover half seat (4), cover half core (5) and cover half fixed frame (6) are included, the dynamic model includes dynamic model seat (7), moving-mould-core (8) and moves
Mould fixed frame (9), cover half core (5) lower end surface offer cavity plate slot, and moving-mould-core (8) upper surface, which is provided with, to be protruded into cavity plate slot
Dynamic model head, cover half core (5) and moving-mould-core (8) surround the mold cavity of casting product (100)；Booster body includes the first increasing
Press mechanism (2) and the second booster body (3) are equipped with the first booster body for being pressurized into mold cavity on the cover half
(2), the second booster body (3) for being pressurized into mold cavity is installed on the dynamic model.
2. a kind of pressurized construction of extrusion casint according to claim 1, it is characterised in that：First booster body
It (2) include bracket (21), pressurizing cylinder (22) and the first pressurization mandrel (23), bracket (21) upper end, which extends to be fixed on, determines
It on die holder (4), is fixedly installed on bracket (21) pressurizing cylinder (22), cover half fixed frame (6) side offers lateral cunning
Dynamic chamber (61) slide laterally sliding in chamber (61) and are fitted with sliding block (24), and activity is fitted with the respectively for cover half core (5) two sides
The inner end of one pressurization mandrel (25), the first pressurization mandrel (25) extends to inside mold cavity, outside the first pressurization mandrel (25)
Side, which extends to, to be slid laterally chamber (61) inside and is fixedly connected with sliding block (24) end, and the oil cylinder of the pressurizing cylinder (22) is stretched
The outboard end of contracting bar (23) end and sliding block (24) is drivingly connected.
3. a kind of pressurized construction of extrusion casint according to claim 1, it is characterised in that：Second booster body
It (3) include that the second pressurization mandrel (34), supercharging base (31) and seat board (32), dynamic model seat (7) lower end surface offer pressurization
It installs groove body (71), is equipped with supercharging base (31) in pressurization installation groove body (71), be provided with pressurised oil in the supercharging base (31)
Chamber (311) and at least one piston channel being connected to pressurization oil pocket (31), the interior sealing sliding of the piston channel are provided with
Charged piston (341), the interior pressurization through-hole (81) for offering at least one top and being connected to mold cavity of the moving-mould-core (8), increases
Pressure through-hole (81) interior activity is fitted with the second pressurization mandrel (34), the second pressurization mandrel (34) bottom pass through dynamic model seat (7) and
Supercharging base (31) simultaneously extends in piston channel, and the bottom of the second pressurization mandrel (34) is fixedly connected with charged piston (341).
4. a kind of pressurized construction of extrusion casint according to claim 3, it is characterised in that：The second pressurization mandrel
(34) lower section is set with reset spring (35), and the bottom of reset spring (35) is fixedly connected with charged piston (341) upper surface,
The top of reset spring (35) is fixedly connected with supercharging base (31) corresponding at the top of piston channel.
5. a kind of pressurized construction of extrusion casint according to claim 3, it is characterised in that：In the pressurization through-hole (81)
It is provided with the anti-wear sleeve (82) of inner wall and second pressurization mandrel (34) outer circumferential walls clearance fit, the second pressurization mandrel
(34) surface is provided with silicon nitride ceramics layer.
6. a kind of pressurized construction of extrusion casint according to claim 3, it is characterised in that：Supercharging base (31) lower end
Face offers oil pocket corresponding with pressurization oil pocket (311) and is open, and covering in oil pocket opening has seat board (36), and seat board is installed on (36)
There is the Oil Guide mouth (33) for importing hydraulic oil into pressurization oil pocket (311).
7. a kind of pressurized construction of extrusion casint according to claim 1, it is characterised in that：Pacify on the cover half seat (4)
Equipped with sprue bush (1), sprue bush (1) lower end passes through cover half seat (4) and cover half core (5), and is connected to mold cavity upper end.
8. a kind of extruding shrinkage compensation method based on extrusion casint as claimed in claim 1 to 7, it is characterised in that：It specifically includes
Following steps：
1) it designs and produces squeeze casting mould, which includes cover half, dynamic model and booster body, supercharger
Structure include for mold cavity side wall apply stressed first booster body (2) and for being applied to mold cavity bottom it is stressed
Second booster body (3)；
2) squeeze casting mould is installed on die casting machine, is molded, metallic solution is squeezed into cast gate by injection plunger by die casting machine
It covers in (1), metallic solution is flow in mold cavity；
3) then, the pressurizing cylinder work of the first booster body (2), the first pressurization mandrel (25) of driving are moved into casting cavity,
Casting cavity two sides side-walls are pressurized, part is carried out to cast product (100) side wall in semisolid in real time and is squeezed into
Type；
4) hydraulic oil then, is imported into the pressurization oil pocket (311) of the second booster body (3), hydraulic oil pushes charged piston
(341) it is moved upwards in piston channel, so that being moved at the top of the second pressurization mandrel (34) into casting cavity, under casting cavity
End face is pressurized, and carries out local extrusion forming to cast product (100) lower end surface in semisolid in real time；
5) it is cooled and shaped, is demoulded to get the cast product (100) after feeding is squeezed after squeezing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069277.4A CN108907135A (en) | 2018-09-13 | 2018-09-13 | A kind of pressurized construction and extruding shrinkage compensation method of extrusion casint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069277.4A CN108907135A (en) | 2018-09-13 | 2018-09-13 | A kind of pressurized construction and extruding shrinkage compensation method of extrusion casint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108907135A true CN108907135A (en) | 2018-11-30 |
Family
ID=64408653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069277.4A Withdrawn CN108907135A (en) | 2018-09-13 | 2018-09-13 | A kind of pressurized construction and extruding shrinkage compensation method of extrusion casint |
Country Status (1)
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| CN (1) | CN108907135A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974976A (en) * | 2020-07-24 | 2020-11-24 | 刘旭东 | Prevent foundry goods and die cavity bonding's mould based on elasticity effect |
| CN112338166A (en) * | 2020-12-02 | 2021-02-09 | 苏州金瑞阳模具有限公司 | Aluminum alloy product extrusion casting die structure |
| CN112958754A (en) * | 2021-02-02 | 2021-06-15 | 哈尔滨工业大学 | Local loading forced feeding and core-pulling device of large aluminum alloy extrusion casting die |
| CN114918401A (en) * | 2022-05-24 | 2022-08-19 | 浙江钟铮锁业有限公司 | Integrated into one piece's rack lock mould |
| CN118237549A (en) * | 2024-05-23 | 2024-06-25 | 联公精密测量技术(合肥)有限公司 | Analytical balance scale pan forming and processing device |
-
2018
- 2018-09-13 CN CN201811069277.4A patent/CN108907135A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974976A (en) * | 2020-07-24 | 2020-11-24 | 刘旭东 | Prevent foundry goods and die cavity bonding's mould based on elasticity effect |
| CN112338166A (en) * | 2020-12-02 | 2021-02-09 | 苏州金瑞阳模具有限公司 | Aluminum alloy product extrusion casting die structure |
| CN112958754A (en) * | 2021-02-02 | 2021-06-15 | 哈尔滨工业大学 | Local loading forced feeding and core-pulling device of large aluminum alloy extrusion casting die |
| CN114918401A (en) * | 2022-05-24 | 2022-08-19 | 浙江钟铮锁业有限公司 | Integrated into one piece's rack lock mould |
| CN114918401B (en) * | 2022-05-24 | 2022-12-27 | 浙江钟铮锁业有限公司 | Integrated into one piece's rack lock mould |
| CN118237549A (en) * | 2024-05-23 | 2024-06-25 | 联公精密测量技术(合肥)有限公司 | Analytical balance scale pan forming and processing device |
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Application publication date: 20181130 |