CN207533915U - A kind of casting mould of combination type core structure - Google Patents

A kind of casting mould of combination type core structure Download PDF

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Publication number
CN207533915U
CN207533915U CN201720666668.9U CN201720666668U CN207533915U CN 207533915 U CN207533915 U CN 207533915U CN 201720666668 U CN201720666668 U CN 201720666668U CN 207533915 U CN207533915 U CN 207533915U
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China
Prior art keywords
core
casting
push rod
sliding block
combination type
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Active
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CN201720666668.9U
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Chinese (zh)
Inventor
胡连升
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Zhejiang Creation Kitchenware Co Ltd
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Zhejiang Creation Kitchenware Co Ltd
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Priority to CN201720666668.9U priority Critical patent/CN207533915U/en
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Abstract

The utility model discloses a kind of casting mould of combination type core structure, including push plate, push rod, cushion block, moving platen, guide post, core, solid plate, cast gate, sprue bush.Push rod is arranged on push plate upper surface.Cushion block is arranged on same plate surfaces where push rod.Moving platen be provided with indent dynamic model chamber and with the matched moving die insert of dynamic model chamber, if dynamic model intracavitary is provided with baked core, core lower end is connect with moving platen.If each core is made of core core with the baked core sliding block for surrounding core core.Solid plate lower surface is provided with fixed die insert, and cast gate and cast gate are set on solid plate upper surface.During die sinking, if the baked core sliding block being enclosed in core outside core core can be mobile towards solid plate direction and be finally detached with core core, after casting leaves mold with core sliding block, single core sliding block independent can be reused from cast-internal taking-up.It reduces in casting process, because casting needs to make new sand core and increased time and cost of labor every time.

Description

A kind of casting mould of combination type core structure
【Technical field】
The utility model is related to the technical field of casting mould, particularly a kind of casting mould of combination type core structure.
【Background technology】
Casting is will to be poured into casting mold by the metal liquid of melting, through cooled and solidified obtain needed for shape and performance The manufacturing process of part.Casting technique can be divided into gravitational casting, compression casting and sand casting.Wherein sand casting is the most frequently used Casting method.The production that sand casting is suitable for variously-shaped, size and various alloys in common use are cast, equipment investment is few, former Material is easy to get and cheap.
In the actual production process, often encounter pyramidal structure casting, design feature is less than envelope for opening size The bottom end size closed.In knockout course, casting is separated into a difficult point with cast-internal core.Traditional casting process In, it is solved for this one kind casting with the more difficult situation about detaching of core usually using sand core.When needing to carry out cast casting, The sand core of multiple mould casting internal structures is made in advance.When cast casting demoulds, casting is taken out together with sand core.Treat casting After slightly cooling down, the sand core of cast-internal is broken up, the molding sand in casting is poured out to obtain casting.
Present technology is disadvantageous in that, is molded during a casting every time, is required for using a sand core.And Sand core cannot be reused, and opposite production how many cast product just need to make the sand core of respective numbers.Make sand core mistake Journey significantly increases worker's workload, while also environment and workers ' health can be caused using the core that is scattered during sand core It influences.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of casting die of combination type core structure Tool.During mold die sinking, if the core being made of core core and baked core sliding block after cast-internal shaping structures, core Sliding block can leave core core together with casting.After casting demoulding, each core sliding block of cast-internal can individually be detached from casting Part, the core sliding block removed from casting are combined into core with core core outside core core and reuse.Making sand is subtracted The process of core, improves production efficiency.The surface smoothness of mould casting is improved using metallic core simultaneously.
To achieve the above object, it the utility model proposes a kind of casting mould of combination type core structure, including push plate, pushes away Bar, cushion block, moving platen, guide post, core, solid plate, cast gate, sprue bush.The push rod is arranged on push plate towards moving platen direction Surface on, push rod can extend through moving platen and moving die insert.Cushion block is pairs of, parallel being arranged on is pushed away with same where push rod At the retive boundary of plate surface.The moving platen be provided with indent dynamic model chamber and with the matched moving die insert of dynamic model chamber, move If being provided with baked core in die cavity, core upper end formation size is more than lower end structure size, and core lower end is connect with moving platen.Often If a core is made of core core with the baked core sliding block for surrounding core core.Core sliding block is arranged on the outside of core core and can edge Core core slides it axially off core core.Four corner points on surface where guide post is arranged on dynamic model chamber.Solid plate is towards dynamic model The lower surface of plate is provided with fixed die insert, and cast gate and cast gate are set on solid plate upper surface.
Preferably, the core core is in the taper structure that cross section is successively decreased, lateral surface axial direction is provided with several Guide groove.It gradually broadens on the direction that guide groove groove width is gradually reduced along core core cross section.
Further preferably, the core sliding block is provided with and the matched guide rail of guide groove.Core length is less than core Core.Guide groove is identical with the maximum cross section of guide rail.
Preferably, the push rod is divided into core push rod and casting push rod, core push rod is arranged on core sliding block lower end, casting Part push rod is arranged on the lower surface of mould casting.
Preferably, the moving die insert is provided with the forming hole of perforation, core is located among forming hole, on moving die insert Surface is provided with several riser around forming hole.
Preferably, the die cavity that indent is provided on the lower surface of fixed die insert and moving die insert cooperation, die cavity It combines to form near closed hollow ring with moving die insert upper surface.
Preferably, the solid plate upper surface is provided with stepped recesses, cast gate is set on stepped recesses groove bottom.It pours Mouth extends to moving platen.
Further preferably, the sprue bush upper surface is flushed with stepped recesses groove bottom, and sprue bush upper surface is higher than cast gate Peak.
The beneficial effects of the utility model:During mold die sinking, if the type being made of core core and baked core sliding block For core after cast-internal shaping structures, core sliding block can leave core core together with casting.After casting demoulding, cast-internal Each core sliding block can individually be detached from casting, and the core sliding block removed from casting is combined into outside core core with core core Core is reused.The process for making sand core has been subtracted, has improved production efficiency.And the outer surface roughness of metallic core is remote Less than sand core surface, the surface smoothness of mould casting is greatly improved using metallic core.When avoiding using sand core, casting The surface quality defects such as sand holes, viscous sand that surface generates.Simultaneously when the structure mold molds, what casting can be accessible is light Demoulding, when casting structure is more complicated, also can increase fastener to meet design requirement on cover half.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of decomposition texture schematic diagram of the casting mould of combination type core of the utility model;
Fig. 2 is a kind of internal structure schematic diagram of the casting mould of combination type core of the utility model;
Fig. 3 is the core structure schematic diagram in a kind of casting mould casting process of combination type core of the utility model;
Fig. 4 is the core structure schematic diagram during a kind of casting mould die sinking of combination type core of the utility model.
In figure:1- push plates, 2- push rods, 3- cushion blocks, 4- moving platens, 5- guide posts, 6- cores, 7- moving die inserts, 8- cover half edge Block, 9- solid plates, 10- cast gates, 11- sprue bush, 21- cores push rod, 22- casting push rod, 41- dynamic models chamber, 61- cores core, 62- Core sliding block, 63- casting, 71- riser, 72- forming holes, 81- die cavitys, 91- stepped recesses, 611- guide grooves, 621- guide rails.
【Specific embodiment】
Refering to Fig. 1, Fig. 2, a kind of casting mould of combination type core of the utility model, including push plate 1, push rod 2, cushion block 3, Moving platen 4, guide post 5, core 6, solid plate 9, cast gate 10, sprue bush 11.The push rod 2 is arranged on push plate 1 towards 4 side of moving platen To surface on, push rod 2 can extend through moving platen 4 and moving die insert 7.Cushion block 3 is pairs of, parallel is arranged on and 2 institute of push rod At the retive boundary on same 1 surface of push plate.The moving platen 4 is provided with the dynamic model chamber 41 of indent and is matched with dynamic model chamber 41 Moving die insert 7, if being provided with baked core 6 in dynamic model chamber 41,6 upper end formation size of core be more than lower end structure size, core 6 Lower end is connect with moving platen 4.If each core 6 is made of core core 61 with the baked core sliding block 62 for surrounding core core 61.Type Core sliding block 62 is arranged on 61 outside of core core and can slide it axially off core core 61 along core core 61.Guide post 5 is arranged on dynamic model Four corner points on 41 place surface of chamber.The lower surface of solid plate 9 towards moving platen 4 is provided with fixed die insert 8,10 He of cast gate Sprue bush 11 is arranged on 9 upper surface of solid plate.
The push rod 2 divides for core push rod 21 and casting push rod 22, and core push rod 21 is arranged on 62 lower end of core sliding block, Casting push rod 22 is arranged on the lower surface of mould casting 63.The moving die insert 7 is provided with the forming hole 72 of perforation, core 6 Among forming hole 72,7 upper surface of moving die insert is provided with several riser 71 around forming hole 72.In fixed die insert 8 The die cavity 81 of indent is provided on the lower surface coordinated with moving die insert 7, die cavity 81 combines to form envelope with 7 upper surface of moving die insert Closed form chamber.9 upper surface of solid plate is provided with stepped recesses 91, and sprue bush 11 is arranged on 91 groove bottom of stepped recesses.Cast gate 10 extend to moving platen 4.11 upper surface of sprue bush is flushed with 91 groove bottom of stepped recesses, and 11 upper surface of sprue bush is higher than cast gate 10 Peak.
Refering to Fig. 3, Fig. 4, the core core 61 is in the taper structure that cross section is successively decreased, and lateral surface axial direction is provided with Several guide grooves 611.It gradually broadens on the direction that 611 groove width of guide groove is gradually reduced along 61 cross section of core core.The core is slided Block 62 is provided with and 611 matched guide rail 411 of guide groove.62 length of core sliding block is less than core core 61.Guide groove 611 and guide rail 411 maximum cross section is identical.
Utility model works process:
A kind of casting mould of combination type core of the utility model during the work time, after mold clamping, core 6 and dynamic model The gap and 7 upper surface of moving die insert that insert 7 is formed after combining connect into mould casting with the die cavity 81 of fixed die insert 8 Space.Molten metal is injected via cast gate 10 in mold, metal liquid can fill completely entire molding space.By a timing Between cooling after, open mold, by guide post 5 be oriented to solid plate 9 separated with moving platen 4, when reach mold range when Push plate 1 drives push rod 2 to be moved to 4 direction of moving platen.Core push rod pushes core sliding block 62, the guide rail on core sliding block 62 621 slide axially in the guide groove 611 of core core 61.Meanwhile casting push rod synchronizes and casting is pushed to be axially moveable.It is mobile In the process, 621 section of guide rail of cooperation is less and less, the section of guide groove 611 is increasing, between guide rail 621 and guide groove 611 Gap is increasing.Finally, the core sliding block 62 inside casting 63 and casting 63 is detached from core core 61 together.At this point it is possible to one Connect the taking-up inside casting 63 by each core sliding block 62 of one.The core sliding block 62 of taking-up is by guide rail 621 again with leading Slot 611 coordinates, and guide rail 621 is in guide groove 611 along 2 direction of motion reverse slide of push rod.At this point, guide rail 621 and guide groove 611 Fit clearance is less and less, and when the fit clearance of guide rail 621 and guide groove 611 is zero, core sliding block 62 cannot continue to slide, type Core sliding block 62 and core core 61 are finally reassembled into complete core 6.After the completion of current casting 63 is molded, the drive of push plate 1 pushes away Bar 2 is moved to original position, and mold molds the casting process for carrying out next casting 63 again.
The utility model, during mold die sinking, if the baked core sliding block being enclosed in core outside core core can be with It moves towards solid plate direction and is finally detached with core core.After casting and core sliding block leave mold, single core sliding block can be with Independent slave cast-internal taking-up is reused.It, can be to avoid using sand core at the inside for being molded inverted cone-shaped structure casting.Subtract In few casting process, because casting needs to make new sand core and increased time and cost of labor every time.Meanwhile without using sand core Also avoid pollution of the sand core manufacturing process to environment.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality Scheme after type simple transformation belongs to the scope of protection of the utility model.

Claims (8)

1. a kind of casting mould of combination type core structure, it is characterised in that:Including push plate (1), push rod (2), cushion block (3), dynamic model Plate (4), guide post (5), core (6), solid plate (9), cast gate (10), sprue bush (11), the push rod (2) are arranged on push plate (1) Towards on the surface in moving platen (4) direction, push rod (2) can extend through moving platen (4) and moving die insert (7), cushion block (3) into To, it is parallel be arranged on at the retive boundary on push plate (1) surface same where push rod (2), the moving platen (4) is provided with Recessed dynamic model chamber (41) and with dynamic model chamber (41) matched moving die insert (7), dynamic model chamber (41) if in be provided with baked core (6), core (6) upper end formation size is more than lower end structure size, and core (6) lower end is connect with moving platen (4), each core (6) by core core (61) and surround core core (61) if baked core sliding block (62) form, core sliding block (62) is arranged on type Core core (61) can be slid it axially off on the outside of core (61) and along core core (61), guide post (5) is arranged on dynamic model chamber (41) institute Four corner points on surface, the lower surface of solid plate (9) towards moving platen (4) are provided with fixed die insert (8), cast gate (10) and Sprue bush (11) is arranged on solid plate (9) upper surface.
2. a kind of casting mould of combination type core structure as described in claim 1, it is characterised in that:The core core (61) be in The taper structure that cross section is successively decreased, lateral surface axial direction are provided with several guide groove (611), and guide groove (611) groove width is along type It gradually broadens on the direction that core (61) cross section is gradually reduced.
3. a kind of casting mould of combination type core structure as claimed in claim 2, it is characterised in that:The core sliding block (62) Be provided with guide groove (611) matched guide rail (411), core sliding block (62) length be less than core core (61), guide groove (611) with The maximum cross section of guide rail (411) is identical.
4. a kind of casting mould of combination type core structure as described in claim 1, it is characterised in that:The push rod (2) is divided into Core push rod (21) and casting push rod (22), core push rod (21) are arranged on core sliding block (62) lower end, and casting push rod (22) is set It puts in the lower surface of mould casting (63).
5. a kind of casting mould of combination type core structure as described in claim 1, it is characterised in that:The moving die insert (7) The forming hole (72) of perforation is provided with, core (6) is intermediate positioned at forming hole (72), and moving die insert (7) upper surface surrounds forming hole (72) several riser (71) is provided with around.
6. a kind of casting mould of combination type core structure as described in claim 1, it is characterised in that:Fixed die insert (8) with The die cavity (81) of indent is provided on the lower surface of moving die insert (7) cooperation, die cavity (81) is combined with moving die insert (7) upper surface Form near closed hollow ring.
7. a kind of casting mould of combination type core structure as described in claim 1, it is characterised in that:On the solid plate (9) Surface is provided with stepped recesses (91), and sprue bush (11) is arranged on stepped recesses (91) groove bottom, and cast gate (10) extends to dynamic model Plate (4).
8. a kind of casting mould of combination type core structure as claimed in claim 7, it is characterised in that:On the sprue bush (11) Surface is flushed with stepped recesses (91) groove bottom, and sprue bush (11) upper surface is higher than cast gate (10) peak.
CN201720666668.9U 2017-06-09 2017-06-09 A kind of casting mould of combination type core structure Active CN207533915U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720666668.9U CN207533915U (en) 2017-06-09 2017-06-09 A kind of casting mould of combination type core structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720666668.9U CN207533915U (en) 2017-06-09 2017-06-09 A kind of casting mould of combination type core structure

Publications (1)

Publication Number Publication Date
CN207533915U true CN207533915U (en) 2018-06-26

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470558A (en) * 2017-06-09 2017-12-15 浙江创建厨具有限公司 A kind of casting mould of combination type core structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470558A (en) * 2017-06-09 2017-12-15 浙江创建厨具有限公司 A kind of casting mould of combination type core structure

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