CN105397032A - Casting die used for machining handle with arc thin wall - Google Patents
Casting die used for machining handle with arc thin wall Download PDFInfo
- Publication number
- CN105397032A CN105397032A CN201510948455.0A CN201510948455A CN105397032A CN 105397032 A CN105397032 A CN 105397032A CN 201510948455 A CN201510948455 A CN 201510948455A CN 105397032 A CN105397032 A CN 105397032A
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- China
- Prior art keywords
- dynamic model
- cover half
- core
- groove
- mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a casting die used for machining a handle with an arc thin wall. A fixed die core is provided with a fixed die cavity. The fixed die cavity comprises two fixed die grooves which is independently formed. Each fixed die groove is provided with an arc concave face. A movable die core is provided with a movable die cavity. The movable die cavity comprises two movable die grooves which are independently formed. One side of each movable die groove is provided with a first upwards-protruding cylindrical face and a second upwards-protruding cylindrical face. Slag ladles are arranged at the positions, located on the outer side of the movable die cavity, in the movable die core. Exhaust grooves communicated with the slag ladles are formed in the movable die core and a movable die frame. Slag ladle grooves matched with the movable die core slag ladles are formed in the fixed die core. The length-width ratio of the slag ladles is 3:2, the length-width ratio of the slag ladle grooves is also 3:2, and the depth-width ratio of the slag ladle grooves is 1:1.2. According to the exhaust grooves and the slag ladles of the casting die, exhaust can be more effective, air holes of products are reduced, and the product quality is improved.
Description
Technical field
The present invention relates to mould applications, being specifically related to a kind of for processing the casting die being provided with arc thin-wall handle.
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, casting quality good for processing the casting die being provided with arc thin-wall handle.
In order to realize this purpose, technical scheme of the present invention is as follows: a kind of for processing the casting die being provided with arc thin-wall handle, 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 comprises 2 independent cover half grooves arranged, described cover half groove is an arc-shaped concave, the upper surface of described arc-shaped concave is rectangle, and two edges of described rectangular side form fillet, one middle side part of described arc-shaped concave edge formation fillet caves inward and forms fluted column face, and described arc-shaped concave opposite side arranges a boss, and the middle part of described arc-shaped concave arranges two cylindrical peg, moving-mould-core arranges dynamic model die cavity, described dynamic model die cavity comprises 2 independent dynamic model grooves arranged, described dynamic model groove is corresponding with the fillet of cover half groove is provided with fillet, dynamic model groove by fillet side formed match with the recessed face of cylinder of cover half groove first on protruding cylinder surface, on described first, the inner side of protruding cylinder surface is also provided with protruding cylinder surface on second, and the height of projection of protruding cylinder surface is greater than protruding cylinder surface on first on second, on second, the both sides of protruding cylinder surface also arrange a bumping square respectively, dynamic model groove opposite side arranges a circular concave surface, an annular is provided with protruding in the middle part of described circular concave surface, the outside of described arc-shaped convex is radially evenly provided with four raised lines, described dynamic model groove and cover half groove cylindrical peg cooperation place are provided with cylinder shape groove, by funnelform flow passage between shunting and dynamic model die cavity, described runner is divided into four branches, extend to the flow passage ends that two dynamic model grooves arrange circular concave surface one end respectively, there is cinder ladle the position be positioned in moving-mould-core outside dynamic model die cavity, 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 flow passage ends groove that moving-mould-core flow passage ends matches, and the cinder ladle groove matched with moving-mould-core cinder ladle.
After matched moulds, 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, form required foundry goods, the recessed face of cylinder of cover half groove and dynamic model groove first on form gap between protruding cylinder surface, liquid metal enters this gap and forms an arc thin-wall handle, wherein the recessed face of cylinder of cover half groove forms the outer wall of this arc thin-wall handle, and on first, protruding cylinder surface then forms the inwall of this arc thin-wall handle; On second, protruding cylinder surface then forms a cylindrical depression in this foundry goods, coordinates formation two circular holes between two cylindrical peg of cover half groove and two cylinder shape grooves of dynamic model groove.Because the present invention arranges cover half groove and the dynamic model groove of 2 independent settings, therefore can generate 2 foundry goods simultaneously.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.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 moving-mould-core, and 7 is cinder ladle, and 8 is fine positioning projection, 9 is dynamic model frame, and 10 is guide pillar, and 11 is runner, and 12 is shunting, 13 is cylindrical peg, and 14 is bumping post, and 15 is cover half groove, and 16 is the recessed face of cylinder, 17 is boss, and 18 is protruding cylinder surface on first, and 19 is protruding cylinder surface on second, and 20 is bumping square, 21 is circular concave surface, and 22 is that annular is protruding, and 23 is air discharge duct.
A kind of for processing the casting die being provided with arc thin-wall handle, comprise cover half frame 2, cover half core 3, dynamic model frame 11 and moving-mould-core 12, it is characterized in that described cover half frame 2 is provided with guide pin bushing 1, dynamic model frame 11 is provided with the guide pillar 10 matched with described guide pin bushing 1, cover half core 3 is provided with fine positioning groove, moving-mould-core 12 is provided with the fine positioning projection 8 matched with described fine positioning groove, and cover half frame 2 side is provided with sprue bush 4, and 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 comprises 2 independent cover half grooves 15 arranged, described cover half groove 15 is an arc-shaped concave, the upper surface of described arc-shaped concave is rectangle, and two edges of described rectangular side form fillet, one middle side part of described arc-shaped concave edge formation fillet caves inward and forms fluted column face 16, and described arc-shaped concave opposite side arranges a boss 17, and the middle part of described arc-shaped concave arranges two cylindrical peg 13, moving-mould-core arranges dynamic model die cavity, described dynamic model die cavity comprises 2 independent dynamic model grooves arranged, described dynamic model groove is corresponding with the fillet of cover half groove is provided with fillet, dynamic model groove by fillet side formed match with the recessed face of cylinder of cover half groove first on protruding cylinder surface 18, on described first, the inner side of protruding cylinder surface 18 is also provided with protruding cylinder surface 19 on second, and the height of projection of protruding cylinder surface 19 is greater than protruding cylinder surface 18 on first on second, on second, the both sides of protruding cylinder surface 19 also arrange a bumping square 20 respectively, dynamic model groove opposite side arranges a circular concave surface 21, an annular projection 22 is provided with in the middle part of described circular concave surface 21, the outside of described arc-shaped convex 22 is radially evenly provided with four raised lines, described dynamic model groove and cover half groove cylindrical peg cooperation place are provided with cylinder shape groove, be communicated with by funnelform runner 11 between shunting and dynamic model die cavity, described runner 11 is divided into four branches, extend to the flow passage ends that two dynamic model grooves arrange circular concave surface 21 one end respectively, there is cinder ladle 7 position be positioned in moving-mould-core outside dynamic model die cavity, moving-mould-core with dynamic model frame is provided with the air discharge duct 23 be communicated with cinder ladle, the flow passage ends groove that moving-mould-core flow passage ends matches is provided with in cover half core 3, and the cinder ladle groove 24 matched with moving-mould-core cinder ladle.Air discharge duct and cinder ladle make exhaust more effective, reduce product air holes, improve the quality of products.
Aluminium liquid flows in dynamic model die cavity and cover half die cavity from runner, forms required transfusion bottle.
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 10, described guide pillar 10 is arranged to lopsidedness, 83 ~ 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 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.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 14, and bumping post is arranged on mould placed side, protection water pipe.Also being provided with cooling water channel 4 in dynamic model frame and cover half frame, for controlling mold temperature, extending die life.Also can establish release link in moving-mould-core 6, 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., for processing the casting die being provided with arc thin-wall handle, comprising 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 comprises 2 independent cover half grooves arranged, described cover half groove is an arc-shaped concave, the upper surface of described arc-shaped concave is rectangle, and two edges of described rectangular side form fillet, one middle side part of described arc-shaped concave edge formation fillet caves inward and forms fluted column face, and described arc-shaped concave opposite side arranges a boss, and the middle part of described arc-shaped concave arranges two cylindrical peg;
Moving-mould-core arranges dynamic model die cavity, described dynamic model die cavity comprises 2 independent dynamic model grooves arranged, described dynamic model groove is corresponding with the fillet of cover half groove is provided with fillet, dynamic model groove by fillet side formed match with the recessed face of cylinder of cover half groove first on protruding cylinder surface, on described first, the inner side of protruding cylinder surface is also provided with protruding cylinder surface on second, and the height of projection of protruding cylinder surface is greater than protruding cylinder surface on first on second, on second, the both sides of protruding cylinder surface also arrange a bumping square respectively, dynamic model groove opposite side arranges a circular concave surface, an annular is provided with protruding in the middle part of described circular concave surface, the outside of described arc-shaped convex is radially evenly provided with four raised lines, described dynamic model groove and cover half groove cylindrical peg cooperation place are provided with cylinder shape groove,
By funnelform flow passage between shunting and dynamic model die cavity, described runner is divided into four branches, extend to the flow passage ends that two dynamic model grooves arrange circular concave surface one end respectively, there is cinder ladle the position be positioned in moving-mould-core outside dynamic model die cavity, 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 flow passage ends groove that moving-mould-core flow passage ends matches, and the cinder ladle groove matched with moving-mould-core cinder ladle.
2. a kind of for processing the casting die being provided with arc thin-wall handle as claimed in claim 1, it is characterized in that also being provided with thimble in dynamic model die cavity.
3. a kind of for processing the casting die being provided with arc thin-wall handle 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 for processing the casting die being provided with arc thin-wall handle as claimed in claim 1, it is characterized in that: in dynamic model frame, be also provided with cooling water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948455.0A CN105397032A (en) | 2015-12-17 | 2015-12-17 | Casting die used for machining handle with arc thin wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948455.0A CN105397032A (en) | 2015-12-17 | 2015-12-17 | Casting die used for machining handle with arc thin wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105397032A true CN105397032A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948455.0A Pending CN105397032A (en) | 2015-12-17 | 2015-12-17 | Casting die used for machining handle with arc thin wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105397032A (en) |
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2015
- 2015-12-17 CN CN201510948455.0A patent/CN105397032A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160316 |