CN207464128U - 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
CN207464128U
CN207464128U CN201721645059.1U CN201721645059U CN207464128U CN 207464128 U CN207464128 U CN 207464128U CN 201721645059 U CN201721645059 U CN 201721645059U CN 207464128 U CN207464128 U CN 207464128U
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CN
China
Prior art keywords
core
casting
push rod
combination type
die insert
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Expired - Fee Related
Application number
CN201721645059.1U
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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 CN201721645059.1U priority Critical patent/CN207464128U/en
Application granted granted Critical
Publication of CN207464128U publication Critical patent/CN207464128U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model is related to 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.On the other hand, the casting mould of existing combination type core structure it include moving platen, which is provided with the dynamic of indent Die cavity and with the matched moving die insert of dynamic model chamber, since moving die insert can shake in dynamic model chamber in use, The operation of casting mould is affected, so as to affect the quality of casting.On the other hand, after molding casting casting slag inclusion fraction defective Be 30% -40%, casting it is of low quality, yield rate is relatively low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of castings of combination type core structure Mold.During mold die sinking, if the core being made of core core and baked core sliding block after cast-internal shaping structures, type Core sliding block can leave core core together with casting.After casting demoulding, each core sliding block of cast-internal can be individually detached from Casting, the core sliding block removed from casting are combined into core with core core outside core core and reuse.Making is subtracted The process of sand core, improves production efficiency.Moving die insert will not shake in dynamic model chamber in use, avoid influencing The operation of casting mould, so as to ensure that the quality of casting;And the quality of casting after molding is improved, improve yield rate.
What the technical solution of the utility model was realized in: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.The push rod is arranged on push plate towards moving platen side To surface on, push rod can extend through moving platen and moving die insert.Cushion block is pairs of, it is parallel be arranged on it is same where push rod At the retive boundary of plate surfaces.The 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 upper end formation size is more than lower end structure size, and 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.Core sliding block is arranged on the outside of core core and can Core core is slid it axially off along core core.Four corner points on surface where guide post is arranged on dynamic model chamber.Solid plate direction is dynamic The lower surface of template is provided with fixed die insert, and cast gate and cast gate are set on solid plate upper surface.The inner wall of the dynamic model chamber is set Guiding projection is equipped with, for the guiding projection in being vertically arranged, the outer wall of the moving die insert is provided with leading of being adapted to guiding projection To groove, the groove width for being oriented to groove is tapered into from slot bottom toward notch direction;Filter assemblies, the mistake are provided in the cast gate Filter component includes frame and the multiple filtration net that is individually fixed on frame, and the mesh aperture of each layer filter screen is from import toward exporting Direction tapers into.
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.
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 is arranged on moving platen.
Preferably, the sprue bush upper surface is flushed with stepped recesses groove bottom, sprue bush upper surface is higher than cast gate most High point.
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.By being provided with guiding in the inner wall of dynamic model chamber Convex block and the outer wall of moving die insert is provided with the guiding groove that is adapted to guiding projection, ensure that and move in use Mould insert shaking phenomenon will not occur in dynamic model chamber, avoid affecting the operation of casting mould, so as to ensure that casting Quality.By being provided with filter assemblies in cast gate, filter assemblies include frame and the multilayer mistake being individually fixed on frame Strainer, the mesh aperture of each layer filter screen are tapered into from import toward export direction, in use, the mobility liquid of melting is noted Cavity is flowed into again after entering the cast gate with filter screen, the dregs that size can be more than filter screen mesh size by filter screen filter out, It is successively filtered, improves filter effect, therefore casting slag inclusion rate after molding is reduced to 7% -10%, improves molding The quality of casting afterwards improves the yield rate of casting.
The utility model is further arranged to:The bottom wall of the dynamic model chamber is provided with anti-skid chequer.
By using above-mentioned technical proposal, the frictional force between the bottom wall of moving die insert and dynamic model chamber is increased, thus into One step improves moving die insert in use shaking phenomenon will not occurs in dynamic model chamber, further avoid affecting The operation of casting mould, so as to ensure that the quality of casting.
The utility model is further arranged to:It is arranged at intervals between adjacent filter screen.
By using above-mentioned technical proposal, the dregs in the mobility liquid melted in filter process is avoided to get lodged in adjacent Filter screen between influence cast.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of internal structure schematic diagram of the casting mould of combination type core of the utility model;
Fig. 2 is a kind of decomposition texture 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;
Fig. 5 is a kind of casting mould partial structural diagram of combination type core of the utility model;
Fig. 6 is the filter assemblies structure diagram in a kind of casting mould 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
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained shall fall within the protection scope of the present invention.
With reference to shown in 1-Fig. 2 of figure, the utility model discloses a kind of casting moulds of combination type core, including push plate 1, push away Bar 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 1 court of push plate On the surface in 4 direction of moving platen, push rod 2 can extend through moving platen 4 and moving die insert 7.Pairs of, the parallel setting of cushion block 3 With push rod 2 where same 1 surface of push plate retive boundary at.The moving platen 4 is provided with the dynamic model chamber 41 of indent and with moving 41 matched moving die insert 7 of die cavity, if being provided with baked core 6 in dynamic model chamber 41,6 upper end formation size of core is tied more than lower end Structure size, 6 lower end of core are connect with moving platen 4.If each core 6 is slided by core core 61 with the baked core for surrounding core core 61 Block 62 forms.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 It is arranged on four corner points on 41 place surface of dynamic model chamber.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 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, casts 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 perforation, and core 6 is located at Among forming hole 72,7 upper surface of moving die insert is provided with several riser 71 around forming hole 72.Fixed die insert 8 with The die cavity 81 of indent is provided on the lower surface that moving die insert 7 coordinates, die cavity 81 combines to form closing with 7 upper surface of moving die insert Cavity.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 It is arranged on 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.
With reference to shown in figure 1, Fig. 5 and Fig. 6, the inner wall of the dynamic model chamber 41 is provided with guiding projection 410, the guiding projection 410 in being vertically arranged, and the outer wall of the moving die insert 7 is provided with the guiding groove 700 being adapted to guiding projection 410, is oriented to recessed The groove width of slot 700 is tapered into from slot bottom toward notch direction;Filter assemblies 100, the filtering group are provided in the cast gate 10 Part 100 includes frame 101 and the multiple filtration net 102 being individually fixed on frame, and the mesh aperture of each layer filter screen is by import It is tapered into toward export direction.By being provided with guiding projection in the inner wall of dynamic model chamber and being set in the outer wall of moving die insert There is the guiding groove being adapted to guiding projection, ensure that moving die insert will not occur shaking in dynamic model chamber existing in use As occurring, avoid affecting the operation of casting mould, so as to ensure that the quality of casting.By being provided with filtering group in cast gate Part, filter assemblies include frame and the multiple filtration net being individually fixed on frame, and the mesh aperture of each layer filter screen is by import It is tapered into toward export direction, in use, by cavity is flowed into again after cast gate of the mobility liquid injection with filter screen of melting, The dregs that size can be more than filter screen mesh size by filter screen filter out, and are successively filtered, improve filter effect, therefore Casting slag inclusion rate after molding is reduced to 7% -10%, improves the quality of casting after molding, improves the yield rate of casting.
The bottom wall of the dynamic model chamber 41 is provided with anti-skid chequer;Increase the friction between the bottom wall of moving die insert and dynamic model chamber Power shaking phenomenon will not occur, further so as to further improve moving die insert in use in dynamic model chamber Avoid affecting the operation of casting mould, so as to ensure that the quality of casting.
It is arranged at intervals between adjacent filter screen 102;Avoid the dregs in the mobility liquid melted in filter process Influence is poured into a mould between getting lodged in adjacent filter screen.
Utility model works process:
A kind of casting mould of combination type core of the utility model during the work time, after mold clamping, with dynamic model inlay by core 6 Gap and 7 upper surface of moving die insert that block 7 is formed after combining connect into the sky of mould casting with the die cavity 81 of fixed die insert 8 Between.Molten metal is injected via cast gate 10 in mold, metal liquid can fill completely entire molding space.By certain time 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 away 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 621 on core sliding block 62 It slides axially in the guide groove 611 of core core 61.Meanwhile casting push rod synchronizes and casting is pushed to be axially moveable.Moving process In, 621 section of guide rail of cooperation is less and less, the section of guide groove 611 is increasing, and guide rail 621 and the gap of guide groove 611 are more next It is bigger.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 connects one Each core sliding block 62 is taken out from the inside of casting 63.The core sliding block 62 of taking-up is matched by guide rail 621 with guide groove 611 again It closes, guide rail 621 is in guide groove 611 along 2 direction of motion reverse slide of push rod.At this point, the fit clearance of guide rail 621 and guide groove 611 Less and less, when the fit clearance of guide rail 621 and guide groove 611 is zero, core sliding block 62 cannot continue to slide, core sliding block 62 and core core 61 be finally reassembled into complete core 6.After the completion of current casting 63 is molded, push plate 1 drives push rod 2 to move To original position, 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.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (10)

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)It is arranged on push plate(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 plate 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)Matched moving die insert(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)It outside simultaneously can be along core core(61)Slide it axially off core core(61);Guide post(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;The dynamic model chamber(41)Inner wall be provided with guiding projection(410), this is led To convex block(410)In being vertically arranged, the moving die insert(7)Outer wall be provided with and guiding projection(410)The guiding of adaptation is recessed Slot(700), it is oriented to groove(700)Groove width tapered into from slot bottom toward notch direction;The cast gate(10)Inside it is provided with filtering Component(100), the filter assemblies(100)Including frame(101)And it is individually fixed in frame(101)On multiple filtration net (102), each layer filter screen(102)Mesh aperture tapered into from import toward export direction.
2. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The dynamic model chamber(41) Bottom wall be provided with anti-skid chequer.
3. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:Adjacent filter screen (102)Between be arranged at intervals.
4. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The core core(61) The taper structure to successively decrease in cross section, lateral surface axial direction are provided with several guide grooves(611);Guide groove(611)Groove width edge Core core(61)It gradually broadens on the direction that cross section is gradually reduced.
5. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The core sliding block (62)It is provided with and guide groove(611)Matched guide rail;Core sliding block(62)Length is less than core core(61);Guide groove(611)With The maximum cross section of guide rail is identical.
6. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The push rod(2)Point For 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) It is arranged on mould casting(63)Lower surface.
7. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The moving die insert (7)It is provided with the forming hole of perforation(72), core(6)Positioned at forming hole(72)Centre, moving die insert(7)Upper surface is around molding Hole(72)Surrounding is provided with several riser(71).
8. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:In fixed die insert(8) With moving die insert(7)The die cavity of indent is provided on the lower surface of cooperation(81), die cavity(81)With moving die insert(7)Upper surface group Conjunction forms near closed hollow ring.
9. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The solid plate(9) Upper 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 Template(4)On.
10. a kind of casting mould of combination type core structure according to claim 1, it is characterised in that:The sprue bush (11)Upper surface and stepped recesses(91)Groove bottom flushes, sprue bush(11)Upper surface is higher than cast gate(10)Peak.
CN201721645059.1U 2017-11-30 2017-11-30 A kind of casting mould of combination type core structure Expired - Fee Related CN207464128U (en)

Priority Applications (1)

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CN201721645059.1U CN207464128U (en) 2017-11-30 2017-11-30 A kind of casting mould of combination type core structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721645059.1U CN207464128U (en) 2017-11-30 2017-11-30 A kind of casting mould of combination type core structure

Publications (1)

Publication Number Publication Date
CN207464128U true CN207464128U (en) 2018-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111842796A (en) * 2020-08-19 2020-10-30 四川省简阳川田机械阀业有限公司 A core for valve body casting and a valve body wax mold
CN114453558A (en) * 2022-01-20 2022-05-10 洛阳科品实业有限公司 Casting device for large conical titanium alloy shell casting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111842796A (en) * 2020-08-19 2020-10-30 四川省简阳川田机械阀业有限公司 A core for valve body casting and a valve body wax mold
CN114453558A (en) * 2022-01-20 2022-05-10 洛阳科品实业有限公司 Casting device for large conical titanium alloy shell casting
CN114453558B (en) * 2022-01-20 2023-05-16 洛阳科品钛业股份有限公司 Casting device for large conical titanium alloy shell castings

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180608

Termination date: 20181130