CN107470558A - 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
CN107470558A
CN107470558A CN201710431704.8A CN201710431704A CN107470558A CN 107470558 A CN107470558 A CN 107470558A CN 201710431704 A CN201710431704 A CN 201710431704A CN 107470558 A CN107470558 A CN 107470558A
Authority
CN
China
Prior art keywords
core
casting
push rod
sliding block
combination type
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.)
Pending
Application number
CN201710431704.8A
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Chinese (zh)
Inventor
胡连升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Creation Kitchenware Co Ltd
Original Assignee
Zhejiang Creation Kitchenware Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Creation Kitchenware Co Ltd filed Critical Zhejiang Creation Kitchenware Co Ltd
Priority to CN201710431704.8A priority Critical patent/CN107470558A/en
Publication of CN107470558A publication Critical patent/CN107470558A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/10Cores; Manufacture or installation of cores

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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 casting mould of combination type core structure, including push pedal, push rod, cushion block, moving platen, guide pillar, core, solid plate, cast gate, sprue bush.Push rod is arranged on push pedal upper surface.Cushion block is arranged on same plate surfaces where push rod.The moving die insert that moving platen is provided with the dynamic model chamber of indent and is engaged with dynamic model chamber, if dynamic model intracavitary is provided with baked core, core lower end is connected with moving platen.If each core is made up 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 finally separated with core core, after casting leaves mould with core sliding block, single core sliding block independent can take out from cast-internal and reuse.Reduce in casting process, because casting needs to make new core and increased time and cost of labor every time.

Description

A kind of casting mould of combination type core structure
Technical field
The present invention relates 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 by the metal liquid of melting in casting mold, 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 applied to variously-shaped, size and various alloys in common use are cast, equipment investment is few, former Material is easy to get and cheap.
In actual production process, pyramidal structure casting is often encountered, its design feature is that opening size is less than envelope The bottom size closed.In knockout course, casting is separated into a difficult point with cast-internal core.Traditional casting process In, solved for this kind of casting with the more difficult situation about separating of core usually using core.When needing to carry out cast casting, The core of multiple mould casting internal structures is made in advance.When cast casting is stripped, casting is together taken out with core.Treat casting After slightly cooling down, the 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 every time during a casting, is required for using a core.And Core cannot be reused, and relative production how many cast product just need to make the core of respective numbers.Make core mistake Journey significantly increases worker's workload, while also environment and workers ' health can be caused using the core that is scattered during core Influence.
The content of the invention
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of casting mould of combination type core structure. During mould die sinking, if the core being made up of core core and baked core sliding block, after cast-internal shaping structures, core is slided Block can leave core core together with casting.After the casting demoulding, each core sliding block of cast-internal can individually depart from casting, The core sliding block removed from casting is combined into core with core core outside core core and reused.Subtract and made core Process, improve production efficiency.The surface smoothness of mould casting is improved using metallic core simultaneously.
To achieve the above object, the present invention proposes a kind of casting mould of combination type core structure, including push pedal, push rod, Cushion block, moving platen, guide pillar, core, solid plate, cast gate, sprue bush.The push rod is arranged on push pedal towards the table in moving platen direction On face, push rod can extend through moving platen and moving die insert.Cushion block is paired, it is parallel be arranged on and push rod where same push pedal At the retive boundary on surface.The moving die insert that the moving platen is provided with the dynamic model chamber of indent and is engaged with dynamic model chamber, dynamic model If intracavitary is provided with baked core, core upper end formation size is more than lower end structure size, and core lower end is connected with moving platen.Often If individual core is made up 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 pillar 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 some Guide groove.Gradually broadened on the direction that guide groove groove width is gradually reduced along core core cross section.
Preferably, the core sliding block is provided with the guide rail being engaged with guide groove.Core its 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 insertion, core is located among forming hole, on moving die insert Surface is provided with some rising heads around forming hole.
Preferably, the die cavity that indent is provided with the lower surface that fixed die insert and moving die insert coordinate, die cavity Combine 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.Pour Mouth is arranged on moving platen.
Preferably, the sprue bush upper surface flushes with stepped recesses groove bottom, sprue bush upper surface is higher than cast gate most High point.
Beneficial effects of the present invention:During mould die sinking, if the core being made up of core core and baked core sliding block exists After cast-internal shaping structures, core sliding block can leave core core together with casting.Casting the demoulding after, cast-internal it is each Core sliding block can individually depart from casting, and the core sliding block removed from casting is combined into core outside core core with core core Reuse.The process for making core has been subtracted, has improved production efficiency.And the outer surface roughness of metallic core is far below Core surface, the surface smoothness of mould casting is greatly improved using metallic core.Avoid when using core, cast(ing) surface The surface quality defects such as caused sand holes, viscous sand.Simultaneously when the structure mold molds, casting can easily be taken off with accessible Mould, when casting structure is more complicated, also it can increase fastener on cover half to meet design requirement.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
Brief description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of the casting mould of combination type core of the present invention;
Fig. 2 is a kind of decomposition texture schematic diagram of the casting mould of combination type core of the present invention;
Fig. 3 is the core structure schematic diagram in a kind of casting mould casting process of combination type core of the present invention;
Fig. 4 is the core structure schematic diagram during a kind of casting mould die sinking of combination type core of the present invention.
In figure:1- push pedals, 2- push rods, 3- cushion blocks, 4- moving platens, 5- guide pillars, 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- rising heads, 72- forming holes, 81- die cavitys, 91- stepped recesses, 611- guide grooves, 621- guide rails.
Embodiment
Refering to Fig. 1, Fig. 2, a kind of casting mould of combination type core of the present invention, including push pedal 1, push rod 2, cushion block 3, moving platen 4th, guide pillar 5, core 6, solid plate 9, cast gate 10, sprue bush 11.The push rod 2 is arranged on push pedal 1 towards the table in the direction of moving platen 4 On face, push rod 2 can extend through moving platen 4 and moving die insert 7.Cushion block 3 is paired, it is parallel be arranged on it is same where push rod 2 At the retive boundary on the surface of push pedal 1.The dynamic model that the moving platen 4 is provided with the dynamic model chamber 41 of indent and is engaged with dynamic model chamber 41 Insert 7, if being provided with baked core 6 in dynamic model chamber 41, the upper end formation size of core 6 is more than lower end structure size, the lower end of core 6 It is connected with moving platen 4.If each core 6 is made up of core core 61 with the baked core sliding block 62 for surrounding core core 61.Core is slided Block 62 is arranged on the outside of core core 61 and can slide it axially off core core 61 along core core 61.Guide pillar 5 is arranged on dynamic model chamber 41 Four corner points on place surface.The lower surface of solid plate 9 towards moving platen 4 is provided with fixed die insert 8, cast gate 10 and sprue bush 11 are arranged on the upper surface of solid plate 9.
The push rod 2 divides is arranged on the lower end of core sliding block 62 for core push rod 21 and casting push rod 22, core push rod 21, casting Part 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 insertion, and core 6 is located at Among forming hole 72, the upper surface of moving die insert 7 is provided with some rising heads 71 around forming hole 72.Fixed die insert 8 with The die cavity 81 of indent is provided with the lower surface that moving die insert 7 coordinates, die cavity 81 combines to form closing with the upper surface of moving die insert 7 Die cavity.The upper surface of solid plate 9 is provided with stepped recesses 91, and sprue bush 11 is arranged on the groove bottom of stepped recesses 91.Cast gate 10 It is arranged on moving platen 4.The upper surface of sprue bush 11 flushes with the groove bottom of stepped recesses 91, and the upper surface of sprue bush 11 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 Some guide grooves 611.Gradually broadened on the direction that the groove width of guide groove 611 is gradually reduced along the cross section of core core 61.The core is slided Block 62 is provided with the guide rail 411 being engaged with guide groove 611.The length of core sliding block 62 is less than core core 61.Guide groove 611 and guide rail 411 maximum cross section is identical.
The course of work of the present invention:
In the course of the work, after mould matched moulds, core 6 combines a kind of casting mould of combination type core of the present invention with moving die insert 7 The gap and the upper surface of moving die insert 7 that are formed afterwards connect into the space of mould casting with the die cavity 81 of fixed die insert 8.Will melting Metal is injected in mould via cast gate 10, and metal liquid can fill completely whole molding space.By certain time cooling it Afterwards, open mould, by guide pillar 5 be oriented to solid plate 9 separated with moving platen 4, when reach mold range when push pedal 1 drive Push rod 2 moves to the direction of moving platen 4.Core push rod promotes core sliding block 62, and the guide rail 621 on core sliding block 62 is in core core 61 Guide groove 611 in slide axially.Meanwhile casting push rod synchronously promotes casting to be axially moveable.In moving process, cooperation is led The section of rail 621 is less and less, the section of guide groove 611 is increasing, and the gap of guide rail 621 and guide groove 611 is increasing.Finally, Core sliding block 62 inside casting 63 and casting 63 departs from core core 61 together.At this point it is possible to one connect one by each type Core sliding block 62 takes out from the inside of casting 63.The core sliding block 62 of taking-up is coordinated with guide groove 611 again by guide rail 621, guide rail 621 Along the direction of motion reverse slide of push rod 2 in guide groove 611.Now, the fit clearance of guide rail 621 and guide groove 611 is less and less, when When the fit clearance of guide rail 621 and guide groove 611 is zero, core sliding block 62 can not continue to slide, core sliding block 62 and core core 61 Finally it is reassembled into complete core 6.After the completion of current casting 63 is molded, push pedal 1 drives push rod 2 to be moved to original position Put, matched moulds carries out the casting process of next casting 63 to mould again.
The present invention, during mould die sinking, if the baked core sliding block being enclosed in core outside core core can be towards calmly Move and finally separated with core core in template direction.After casting leaves mould with core sliding block, single core sliding block can be independent From cast-internal take out reuse.When being molded the inside of inverted cone-shaped structure casting, can avoid using core.Reduce casting During making, because casting needs to make new core and increased time and cost of labor every time.Meanwhile also kept away without using core Pollution of the core manufacturing process to environment is exempted from.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme belong to protection scope of the present invention.

Claims (8)

  1. A kind of 1. casting mould of combination type core structure, it is characterised in that:Including push pedal(1), push rod(2), cushion block(3), dynamic model Plate(4), guide pillar(5), core(6), solid plate(9), cast gate(10), sprue bush(11), the push rod(2)It is arranged on push pedal(1) Towards moving platen(4)On the surface in direction, push rod(2)Moving platen can be extended through(4)And moving die insert(7), cushion block(3)Into To, parallel be arranged on and push rod(2)The same push pedal in place(1)At the retive boundary on surface, the moving platen(4)In being provided with Recessed dynamic model chamber(41)With with dynamic model chamber(41)The moving die insert being engaged(7), dynamic model chamber(41)If inside it is provided with baked core (6), core(6)Upper end formation size is more than lower end structure size, core(6)Lower end and moving platen(4)Connection, each core (6)By core core(61)With surround core core(61)If baked core sliding block(62)Composition, core sliding block(62)It is arranged on type Core(61)Outside simultaneously can be along core core(61)Slide it axially off core core(61), guide pillar(5)It is arranged on dynamic model chamber(41)Institute Four corner points on surface, solid plate(9)Towards moving platen(4)Lower surface be provided with fixed die insert(8), cast gate(10)With Sprue bush(11)It is arranged on solid plate(9)Upper surface.
  2. A kind of 2. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:The core core(61)It is in The taper structure that cross section is successively decreased, lateral surface axial direction are provided with some guide grooves(611), guide groove(611)Groove width is along type Core(61)Gradually broadened on the direction that cross section is gradually reduced.
  3. A kind of 3. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:The core sliding block(62) It is provided with and guide groove(611)The guide rail being engaged(411), core sliding block(62)Length is less than core core(61), guide groove(611)With Guide rail(411)Maximum cross section it is identical.
  4. A kind of 4. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:The push rod(2)It is divided into Core push rod(21)With casting push rod(22), core push rod(21)It is arranged on core sliding block(62)Lower end, casting push rod(22)If Put in mould casting(63)Lower surface.
  5. A kind of 5. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:The moving die insert(7) It is provided with the forming hole of insertion(72), core(6)Positioned at forming hole(72)Centre, moving die insert(7)Upper surface surrounds forming hole (72)Surrounding is provided with some rising heads(71).
  6. A kind of 6. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:In fixed die insert(8)With Moving die insert(7)The die cavity of indent is provided with the lower surface of cooperation(81), die cavity(81)With moving die insert(7)Combine upper surface Form near closed hollow ring.
  7. A kind of 7. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:The solid plate(9)On Surface is provided with stepped recesses(91), sprue bush(11)It is arranged on stepped recesses(91)Groove bottom, cast gate(10)It is arranged on dynamic model Plate(4)On.
  8. A kind of 8. casting mould of combination type core structure as claimed in claim 1, it is characterised in that:The sprue bush(11)On Surface and stepped recesses(91)Groove bottom flushes, sprue bush(11)Upper surface is higher than cast gate(10)Peak.
CN201710431704.8A 2017-06-09 2017-06-09 A kind of casting mould of combination type core structure Pending CN107470558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710431704.8A CN107470558A (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
CN201710431704.8A CN107470558A (en) 2017-06-09 2017-06-09 A kind of casting mould of combination type core structure

Publications (1)

Publication Number Publication Date
CN107470558A true CN107470558A (en) 2017-12-15

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108419402A (en) * 2018-04-28 2018-08-17 广东电网有限责任公司 A kind of fusible metal reconfigurable circuit device
CN109128033A (en) * 2018-11-09 2019-01-04 上海杜邦龙机电有限公司吕四分公司 A kind of motor shell molding device and its forming method
CN109622891A (en) * 2019-01-29 2019-04-16 佛山市南海力格模具五金有限公司 Aluminum alloy T type joint casts mold core
CN112122553A (en) * 2020-09-23 2020-12-25 共享智能铸造产业创新中心有限公司 Core clamping and pressing method and clamping and pressing device thereof
CN112876043A (en) * 2021-02-24 2021-06-01 成都贝施美生物科技有限公司 Glass ceramic preparation mould capable of realizing rapid demoulding
CN113680977A (en) * 2021-10-27 2021-11-23 江苏兰佛卡压缩机有限公司 Two-stage compressor cylinder body casting device

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JPH08174607A (en) * 1994-12-27 1996-07-09 Toyoda Gosei Co Ltd Mold for injection molding
CN1785649A (en) * 2005-12-12 2006-06-14 天津理工大学 Contracting internal core withdrawing device used for plastic mould and its use method
CN201268069Y (en) * 2008-09-17 2009-07-08 广东东亚电器有限公司 Shrinkage internal loose core mechanism for injection mold
CN103407104A (en) * 2013-08-15 2013-11-27 苏州大学 Integral core-pulling die for lens barrel core
CN204487992U (en) * 2014-11-11 2015-07-22 牟维军 A kind of core-pulling die mechanism
CN205522320U (en) * 2016-03-25 2016-08-31 厦门中达兴精密模具有限公司 Structure of loosing core in efficient is two -way
CN105984086A (en) * 2015-03-04 2016-10-05 韩立艳 Deep-tooth internal thread demolding mechanism and injection mold thereof
CN207533915U (en) * 2017-06-09 2018-06-26 浙江创建厨具有限公司 A kind of casting mould of combination type core structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08174607A (en) * 1994-12-27 1996-07-09 Toyoda Gosei Co Ltd Mold for injection molding
CN1785649A (en) * 2005-12-12 2006-06-14 天津理工大学 Contracting internal core withdrawing device used for plastic mould and its use method
CN201268069Y (en) * 2008-09-17 2009-07-08 广东东亚电器有限公司 Shrinkage internal loose core mechanism for injection mold
CN103407104A (en) * 2013-08-15 2013-11-27 苏州大学 Integral core-pulling die for lens barrel core
CN204487992U (en) * 2014-11-11 2015-07-22 牟维军 A kind of core-pulling die mechanism
CN105984086A (en) * 2015-03-04 2016-10-05 韩立艳 Deep-tooth internal thread demolding mechanism and injection mold thereof
CN205522320U (en) * 2016-03-25 2016-08-31 厦门中达兴精密模具有限公司 Structure of loosing core in efficient is two -way
CN207533915U (en) * 2017-06-09 2018-06-26 浙江创建厨具有限公司 A kind of casting mould of combination type core structure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108419402A (en) * 2018-04-28 2018-08-17 广东电网有限责任公司 A kind of fusible metal reconfigurable circuit device
CN108419402B (en) * 2018-04-28 2023-05-30 广东电网有限责任公司 Fusible metal reconstruction circuit device
CN109128033A (en) * 2018-11-09 2019-01-04 上海杜邦龙机电有限公司吕四分公司 A kind of motor shell molding device and its forming method
CN109622891A (en) * 2019-01-29 2019-04-16 佛山市南海力格模具五金有限公司 Aluminum alloy T type joint casts mold core
CN112122553A (en) * 2020-09-23 2020-12-25 共享智能铸造产业创新中心有限公司 Core clamping and pressing method and clamping and pressing device thereof
CN112876043A (en) * 2021-02-24 2021-06-01 成都贝施美生物科技有限公司 Glass ceramic preparation mould capable of realizing rapid demoulding
CN112876043B (en) * 2021-02-24 2022-08-02 成都贝施美生物科技有限公司 Glass ceramic preparation mould capable of realizing rapid demoulding
CN113680977A (en) * 2021-10-27 2021-11-23 江苏兰佛卡压缩机有限公司 Two-stage compressor cylinder body casting device
CN113680977B (en) * 2021-10-27 2022-01-07 江苏兰佛卡压缩机有限公司 Two-stage compressor cylinder body casting device

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