CN105562651A - End cover mold provided with spherical indentation part - Google Patents
End cover mold provided with spherical indentation part Download PDFInfo
- Publication number
- CN105562651A CN105562651A CN201510948425.XA CN201510948425A CN105562651A CN 105562651 A CN105562651 A CN 105562651A CN 201510948425 A CN201510948425 A CN 201510948425A CN 105562651 A CN105562651 A CN 105562651A
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- China
- Prior art keywords
- dynamic model
- core
- cover half
- mould
- die cavity
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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
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an end cover mold provided with a spherical indentation part. A fixed mold core is provided with a fixed mold cavity which is a rectangular groove; the spherical cambered surface indentation part is arranged at one side of the rectangular groove; a rectangular boss is arranged in a moving mold cavity; a spherical cambered boss is arranged at one side of the rectangular boss; a plurality of uniformly-distributed cinder ladles are arranged at positions, which are positioned at the outer side of the moving mold cavity, in the moving mold core; the length-width ratio of the cinder ladles is 3 to 2; exhaust grooves communicating with the cinder ladles are formed in the moving mold core and a moving mold frame; cinder ladle grooves matched with the cinder ladles in the moving mold core are formed in the fixed mold core; the length-width ratio of the cinder ladle grooves is 3 to 1.5-2; and the depth-width ratio of the cinder ladle grooves is 1 to 1.2. By using the exhaust grooves and the cinder ladles, higher effectiveness in exhausting is realized, air holes of products are reduced, and the quality of the products is improved. The end cover mold disclosed by the invention has the advantages of being high in mold clamping precision, good in casting quality and suitable for casting the products with complex structures.
Description
Technical field
The present invention relates to mould applications, be specifically related to a kind of end cover die being provided with spherical depression portion.
Background technology
Casting is the conventional processing method of metal parts, is particularly useful for making complex-shaped part blank.During manufacture, liquid metal is poured in the cavity of casting mold, to be cooled solidify after can obtain solid-state foundry goods.The quality of casting mold to foundry goods has a significant impact, when especially adopting sub-module design, with die joint in casting mold, easy generation mould shift defect, if foundry goods is also with pore structure, then more easily produces the deviation of shape and size, affect the form accuracy of casting mold, thus have influence on the quality of foundry goods.Be at most adopt guide pillars and bushes to position usually in prior art, its positioning precision is not high, and therefore casting accuracy is not high, especially easily causes percent defective high when making some high-precision meticulous goods.
The die casting of application number a kind of replaceable core rod that has been the disclosure of the invention of CN201220611624.3, comprise patrix pin, counterdie pin, dynamic model frame, cover half frame and ejecting mechanism, described dynamic model frame is provided with dynamic model charging insert and moving-mould-core, described cover half frame is provided with cover half charging insert and cover half core, described moving-mould-core and cover half core are provided with slide block, described slide block is fixed on take-up housing, and described moving-mould-core and described dynamic model frame, described cover half core and described cover half frame are respectively and removably connect.
The mould of application number a kind of sleeve for having side opening that has been the disclosure of the invention of CN201120079863.4, comprise cover half frame, dynamic model frame, mould pin, upper ejector plate, lower liftout plate and support column, respectively there is a cavity bottom surface of cover half frame and dynamic model frame, the cavity of cover half frame and the cavity of dynamic model frame is aligned with each other pieces together a casting mold cavity completed, a mould pin is each side provided with below dynamic model frame, upper ejector plate and lower liftout plate is provided with from top to bottom successively between two mould pin, a support column is established at middle part below dynamic model frame, support column is positioned at the outside of upper ejector plate and lower liftout plate, it is characterized in that: also comprise guide pillar, guide pin bushing, spreader, barrel, sleeve, cover half core, moving-mould-core, thimble, top plate guide post, top plate guide bushing, taper pin, slide block, take-up housing, latch segment, brake pad, press strip and slide block block, cover half core is embedded in the cavity of cover half frame bottom surface, moving-mould-core is embedded in the cavity of dynamic model frame bottom surface, the bottom surface of cover half core and the bottom surface of moving-mould-core aligned with each other, the bottom surface of cover half frame is provided with guide pillar, guide pillar is positioned at the side of cover half core, one end of guide pillar to be inserted in cover half frame and is fixed by screws on cover half frame, the bottom surface of dynamic model frame is provided with guide pin bushing, guide pin bushing is positioned at the side of moving-mould-core, guide pin bushing insertion dynamic model frame is interior and the underrun screw of guide pin bushing is fixed on dynamic model frame, the other end of guide pillar inserts in guide pin bushing, the opposite side of cover half core is provided with barrel, barrel overcoat has sleeve, the opening at barrel two ends is located on two end faces of cover half frame respectively, an opening part of barrel is provided with spreader, passage and the casting mold cavity of barrel opening and spreader formation are through, one end of thimble is fixed on upper ejector plate, the other end of thimble withstands on moving-mould-core, outside top plate guide post one end, cover has top plate guide bushing and is screwed on lower liftout plate, the other end of top plate guide post is through in the blind hole snapped in after upper ejector plate on dynamic model frame end face, the two ends of cover half frame and dynamic model frame all have pin hole, the pin hole of cover half frame and the pin hole of dynamic model frame aligned with each other, cover half frame is connected with dynamic model frame with the pin hole of dynamic model frame through the pin hole of cover half frame by taper pin successively, after cover half core and moving-mould-core split, the two ends in split face are respectively equipped with slide block, the opposite side of slide block is provided with take-up housing, the cross section of take-up housing is stairstepping, the inclined-plane of take-up housing next stage step presses latch segment, the top of take-up housing is lined with brake pad, the top of brake pad is provided with press strip, the side of brake pad is provided with slide block block.
Summary of the invention
The object of this invention is to provide a kind of closing precision high, the end cover die in what casting quality was good be provided with spherical depression portion.
In order to realize this purpose, technical scheme of the present invention is as follows: a kind of end cover die being provided with spherical depression portion, comprise cover half frame, cover half core, dynamic model frame and moving-mould-core, it is characterized in that described cover half frame is provided with guide pin bushing, dynamic model frame is provided with the guide pillar matched with described guide pin bushing, cover half core is provided with fine positioning groove, moving-mould-core is provided with the fine positioning projection matched with described fine positioning groove, cover half frame side is provided with sprue bush, the relevant position of dynamic model frame is provided with shunting, cover half core is provided with cover half die cavity, described cover half die cavity is a rectangular recess, it is circular spherical cambered surface depressed part that described rectangular recess side is provided with a upper surface, the both sides of described spherical cambered surface depressed part are respectively arranged with two cylindrical peg, two ends away from spherical cambered surface depressed part side in described rectangular recess are also provided with cylindrical peg, moving-mould-core is provided with dynamic model die cavity, a rectangle boss is provided with in described dynamic model die cavity, the side of described rectangle boss is provided with the spherical arc shape projection corresponding with the spherical cambered surface depressed part of cover half die cavity, depressed part is set with the cylindrical peg cooperation place of cover half die cavity in described rectangle boss, and is positioned at the protruding outer ledge place of spherical arc shape at rectangle boss one U-shaped bending stria is set, by funnelform flow passage between shunting and dynamic model die cavity, described runner is divided into four runner branches, described four runner branches all extend to a side of dynamic model die cavity, and be uniformly distributed along described side, the position be positioned in moving-mould-core outside dynamic model die cavity is provided with multiple equally distributed cinder ladle, the length-width ratio of described cinder ladle is 3:2, moving-mould-core is provided with on dynamic model frame the air discharge duct be communicated with cinder ladle, cover half in-core is provided with the cinder ladle groove matched with moving-mould-core cinder ladle, the length-width ratio of described cinder ladle groove is 3:1.5 ~ 2, the degree of depth of cinder ladle groove is 1:1.2 with width ratio.
Liquid metal enters in dynamic model die cavity between moving-mould-core and cover half core and cover half die cavity by sprue bush and shunting subflow, forms required end cap.Dynamic model frame and cover half frame, by guide pillars and bushes guide-localization, are accurately located by fine positioning groove and fine positioning projection between cover half core and moving-mould-core simultaneously, are made the product size precision of die casting higher.Air discharge duct and cinder ladle make exhaust more effective, reduce product air holes, improve the quality of products.The invention has the advantages that closing precision is high, casting quality is good, is suitable for the product of cast structure complexity.
Accompanying drawing explanation
Fig. 1 is the structural representation of cover half frame and cover half core.
Fig. 2 is the structural representation of dynamic model frame and moving-mould-core.
Detailed description of the invention
According to Figure of description and specific embodiment, the present invention is further elaborated below.
In figure, 1 is guide pin bushing, and 2 is cover half frame, and 3 is cover half core, and 4 is sprue bush, 5 is cooling water channel, and 6 is guide pillar, and 7 is fine positioning projection, and 8 is cinder ladle, 9 is dynamic model frame, and 10 is moving-mould-core, and 11 is runner, and 12 is shunting, 13 is bumping post, and 14 is runner branches, and 15 is rectangle boss, and 16 is spherical cambered surface depressed part, 17 is cinder ladle groove, and 18 is rectangular recess, and 19 is cylindrical peg, 20 is that spherical arc shape is protruding, and 21 is U-shaped bending stria, and 22 is air discharge duct.
A kind of end cover die being provided with spherical depression portion, comprise cover half frame 2, cover half core 3, dynamic model frame 9 and moving-mould-core 10, it is characterized in that described cover half frame 2 is provided with guide pin bushing 1, dynamic model frame 9 is provided with the guide pillar 6 matched with described guide pin bushing 1, cover half core 3 is provided with fine positioning groove, moving-mould-core 10 is provided with the fine positioning projection 7 matched with described fine positioning groove, cover half frame 2 side is provided with sprue bush 4, the relevant position of dynamic model frame 9 is provided with shunting 12, cover half core 3 is provided with cover half die cavity, described cover half die cavity is a rectangular recess 18, it is circular spherical cambered surface depressed part 16 that described rectangular recess 18 side is provided with a upper surface, the both sides of described spherical cambered surface depressed part 16 are respectively arranged with two cylindrical peg 19, two ends away from spherical cambered surface depressed part 16 side in described rectangular recess are also provided with cylindrical peg 19, moving-mould-core 10 is provided with dynamic model die cavity, a rectangle boss 15 is provided with in described dynamic model die cavity, the side of described rectangle boss 15 is provided with the spherical arc shape projection 20 corresponding with the spherical cambered surface depressed part of cover half die cavity, pore-forming depressed part is set with cylindrical peg 19 cooperation place of cover half die cavity in described rectangle boss, and is positioned at the protruding outer ledge place of spherical arc shape at rectangle boss one U-shaped bending stria 21 is set, by funnelform flow passage between shunting and dynamic model die cavity, described runner is divided into four runner branches 14, described four runner branches 14 all extend to a side of dynamic model die cavity, and be uniformly distributed along described side, the position be positioned in moving-mould-core 10 outside dynamic model die cavity is provided with multiple equally distributed cinder ladle 8, the length-width ratio of described cinder ladle 8 is 3:2, moving-mould-core 10 with dynamic model frame 9 is provided with the air discharge duct 22 be communicated with cinder ladle 8, the cinder ladle groove 17 matched with cinder ladle 8 is provided with in cover half core 3, the length-width ratio of described cinder ladle groove 17 is 3:1.5 ~ 2, the degree of depth of cinder ladle groove 17 is 1:1.2 with width ratio.
Aluminium liquid flows in dynamic model die cavity and cover half die cavity from runner, form required end cap, wherein define the spherical depression portion on required end cap between the spherical cambered surface depressed part of cover half die cavity and the spherical arc shape projection of dynamic model die cavity, the cylindrical peg of cover half die cavity is inserted in the pore-forming depressed part of rectangle boss, form a boss by pore-forming depressed part, cylindrical peg then forms a circular hole in this raised line.
According to a particular embodiment of the invention, described cover half frame and dynamic model frame are quadrilateral structure, cloth is divided equally at four angles of described dynamic model frame and is provided with a guide pillar 6, described guide pillar 6 is arranged to lopsidedness, 85 ~ 88 ° of angles are formed between the center line of guide pillar and the upper surface of dynamic model frame, similarly, guide pin bushing is also corresponding being arranged on obliquely on four angles of cover half frame.
According to a particular embodiment of the invention, described cover half core and moving-mould-core are quadrilateral structure, and described fine positioning groove 16 and fine positioning projection 8 are separately positioned on four angles of cover half core and moving-mould-core.
Runner design funnel, can increase pressure and make aluminium liquid filling die cavity within very short time, cast out high-quality product.The position be positioned in moving-mould-core 10 outside dynamic model die cavity is provided with multiple equally distributed cinder ladle 8, the length-width ratio of described cinder ladle 8 is 3:2, moving-mould-core 10 with dynamic model frame 9 is provided with the air discharge duct 22 be communicated with cinder ladle 8, the cinder ladle groove 17 matched with cinder ladle 8 is provided with in cover half core 3, the length-width ratio of described cinder ladle groove 17 is 3:1.5 ~ 2, and the degree of depth of cinder ladle groove 17 is 1:1.2 with width ratio.Air discharge duct and cinder ladle make exhaust more effective, reduce product air holes, improve the quality of products.Also thimble is provided with, for ejecting product after die sinking in dynamic model die cavity.Dynamic model frame bottom is provided with mould pin, and for being fixed on die casting machine, support module, the side of mould pin is provided with bumping post 13, and bumping post is arranged on mould placed side, protection water pipe.Also being provided with cooling water channel 5 in dynamic model frame, for controlling mold temperature, extending die life.Also can establish release link in moving-mould-core 10, allow ejecting mechanism reset in advance, be unlikely to mold cores of damaging.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that the present invention specifically implements to be confined to these explanations above-mentioned.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. be provided with the end cover die in spherical depression portion, comprise cover half frame, cover half core, dynamic model frame and moving-mould-core, it is characterized in that
Described cover half frame is provided with guide pin bushing, dynamic model frame is provided with the guide pillar matched with described guide pin bushing, and cover half core is provided with fine positioning groove, and moving-mould-core is provided with the fine positioning projection matched with described fine positioning groove, cover half frame side is provided with sprue bush, and the relevant position of dynamic model frame is provided with shunting;
Cover half core is provided with cover half die cavity, described cover half die cavity is a rectangular recess, it is circular spherical cambered surface depressed part that described rectangular recess side is provided with a upper surface, the both sides of described spherical cambered surface depressed part are respectively arranged with two cylindrical peg, and the two ends away from spherical cambered surface depressed part side in described rectangular recess are also provided with cylindrical peg;
Moving-mould-core is provided with dynamic model die cavity, a rectangle boss is provided with in described dynamic model die cavity, the side of described rectangle boss is provided with the spherical arc shape projection corresponding with the spherical cambered surface depressed part of cover half die cavity, depressed part is set with the cylindrical peg cooperation place of cover half die cavity in described rectangle boss, and is positioned at the protruding outer ledge place of spherical arc shape at rectangle boss one U-shaped bending stria is set;
By funnelform flow passage between shunting and dynamic model die cavity, described runner is divided into four runner branches, described four runner branches all extend to a side of dynamic model die cavity, and be uniformly distributed along described side, the position be positioned in moving-mould-core outside dynamic model die cavity is provided with multiple equally distributed cinder ladle, the length-width ratio of described cinder ladle is 3:2, moving-mould-core is provided with on dynamic model frame the air discharge duct be communicated with cinder ladle, cover half in-core is provided with the cinder ladle groove matched with moving-mould-core cinder ladle, the length-width ratio of described cinder ladle groove is 3:1.5 ~ 2, the degree of depth of cinder ladle groove is 1:1.2 with width ratio.
2. a kind of end cover die being provided with spherical depression portion as claimed in claim 1, is characterized in that also being provided with thimble in dynamic model die cavity.
3. a kind of end cover die being provided with spherical depression portion as claimed in claim 1, it is characterized in that: dynamic model frame bottom is provided with mould pin, the side of mould pin is provided with bumping post.
4. a kind of end cover die being provided with spherical depression portion as claimed in claim 1, is characterized in that: be also provided with cooling water channel in dynamic model frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948425.XA CN105562651A (en) | 2015-12-17 | 2015-12-17 | End cover mold provided with spherical indentation part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948425.XA CN105562651A (en) | 2015-12-17 | 2015-12-17 | End cover mold provided with spherical indentation part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105562651A true CN105562651A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948425.XA Pending CN105562651A (en) | 2015-12-17 | 2015-12-17 | End cover mold provided with spherical indentation part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105562651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421963A (en) * | 2018-05-10 | 2018-08-21 | 广州市型腔模具制造有限公司 | Can fine positioning type cavity mould |
| CN108817348A (en) * | 2018-09-29 | 2018-11-16 | 大连函量科技发展有限公司 | A kind of die casting of metal shade |
-
2015
- 2015-12-17 CN CN201510948425.XA patent/CN105562651A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421963A (en) * | 2018-05-10 | 2018-08-21 | 广州市型腔模具制造有限公司 | Can fine positioning type cavity mould |
| CN108421963B (en) * | 2018-05-10 | 2024-03-19 | 广州市型腔模具制造有限公司 | Cavity mold capable of being precisely positioned |
| CN108817348A (en) * | 2018-09-29 | 2018-11-16 | 大连函量科技发展有限公司 | A kind of die casting of metal shade |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |
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| WD01 | Invention patent application deemed withdrawn after publication |