CN103736924A - Mold for core block - Google Patents
Mold for core block Download PDFInfo
- Publication number
- CN103736924A CN103736924A CN201310720124.2A CN201310720124A CN103736924A CN 103736924 A CN103736924 A CN 103736924A CN 201310720124 A CN201310720124 A CN 201310720124A CN 103736924 A CN103736924 A CN 103736924A
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- China
- Prior art keywords
- core
- mould
- cover half
- core block
- cavity
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Abstract
The invention provides a mold for a core block. The mold is characterized in that a pouring gate sleeve is arranged on the inner side wall of a cavity of a fixed mold frame and is communicated with a fixed mold core; a movable mold core matched with the fixed mold core is arranged in a cavity of a movable mold frame, a flow divider matched with the pouring gate sleeve is arranged on the inner side wall of the movable mold core, and one end of the flow divider is connected to a runner; a pentagonal lower core block cavity is formed in the movable mold core and is provided with five corners, each corner is connected to an air discharge duct, the air discharge ducts are connected to the movable mold frame and extend so as to penetrate through the whole movable mold frame, a cinder ladle is arranged among the air discharge ducts and the corners, and an ejector pin is arranged at the side of the pentagonal lower core block cavity; and the fixed mold core is provided with an upper core block cavity which is matched with the lower core block cavity and is provided with a square groove, and a circle of connected side grooves are formed in the four sides of the square groove; and the air discharge ducts and the cinder ladle in the lower core block cavity enable air discharge to be relatively effective, so that air holes of products are reduced, and the quality of the mold is improved.
Description
Technical field
The present invention relates to the technical field of mould, specifically a kind of mould for core block.
Background technology
In prior art, during cast article member, first aluminium liquid is poured in the cavity of casting mold, after to be cooled solidifying, can obtains solid-state foundry goods.Such as application number is " CN201120532530.2 ", name is called the earlier application of " a kind of flange mould ", having described such content " the invention discloses a kind of flange mould; comprise upper die and lower die; it is characterized in that; described upper die and lower die are provided with corresponding draw-in groove at place, diagonal angle, on described draw-in groove, is arranged with bayonet lock.Flange mould provided by the invention is provided with some draw-in grooves on upper die and lower die, is arranged with bayonet lock on draw-in groove, makes whole flange mould more closely and firmly, also makes when peel of mould more simple and convenient." but this kind of casting mold mould the quality of product is had a significant impact, often exist cover half frame and dynamic model frame quality of fit poor, mould open/close inconvenience, then have influence on the problem of product quality, while especially adopting sub-module design, in casting mold with die joint, easily produce mould shift defect, if foundry goods is also with pore structure, because needs are used core, more easily produce shape and size deviation, affect the form accuracy of casting mold, thereby have influence on the quality of product, and due to exhaust passage arrange problem, exhaust tends to not smooth, make product produce pore, affect product quality.
Summary of the invention
The object of the present invention is to provide a kind of improved mould for core block, it is not high that it can overcome in prior art mould and die accuracy, and mould open/close inconvenience has influence on the some shortcomings of product quality then.
To achieve these goals, technical scheme of the present invention is: a kind of mould for core block, it mainly comprises cover half frame, dynamic model frame, with the cover half core being located in cover half frame, it is characterized in that: the working face of cover half frame is provided with cover half frame cavity, the working face of dynamic model frame is provided with the dynamic model frame cavity corresponding with cover half frame cavity, and described cover half frame cavity and the mutual amalgamation of dynamic model frame cavity become a complete casting mold die cavity;
The madial wall of cover half frame cavity is provided with a sprue bush, and described sprue bush is connected with cover half core; In dynamic model frame cavity, be provided with the moving-mould-core matching with cover half core, the madial wall of moving-mould-core is provided with shunting matching with sprue bush, shunts sub one end and is connected with a runner, and described runner is arranged in moving-mould-core;
In moving-mould-core, be provided with the lower impressions of a group, this group lower impressions consists of two symmetrically arranged core block lower impressions, and each core block lower impressions is all isosceles trapezoid shape, and the surrounding of described core block lower impressions is evenly equipped with cinder ladle, one side of cinder ladle is provided with air discharge duct, in one of them cinder ladle, is provided with thimble;
Cover half core is provided with the one group of upper impression matching with one group of lower impressions, the described chamber of putting to torture consists of two symmetrical core block upper impression, and described core block upper impression consists of a square groove, the arc groove that point is located at one group of triangular groove of square groove left and right and is located at square groove bottom;
The one side of dynamic model frame is provided with mould pin, and one end of mould pin is provided with bumping post.
During use, aluminium liquid pours in sprue bush, after shunting son and runner, flow into casting mold cavity, because being funnel-form increase pressure, runner makes aluminium liquid flow at high speed, just can filling casting mold cavity in the extremely short time, cast out high-quality product, be arranged on air discharge duct and cinder ladle in lower core block die cavity, make exhaust more effective, reduce the pore of product, improved the quality of mould, the fine positioning groove of core block lower impressions surrounding and fine positioning projection make the location between cover half frame and dynamic model frame more accurate, greatly improved the product size precision of die casting, the thimble at place, lower core block die cavity base is after mould pushing-off mechanism, after die sinking, help to eject core block product, moving-mould-core is provided with one group of lower impressions simultaneously, once-cast can obtain two core block products simultaneously, improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of cover half frame of the present invention.
Fig. 2 is the structural representation of dynamic model frame of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Label in each accompanying drawing is expressed as follows:
1 cover half frame;
2 guide pillars;
3 pins;
4 cooling water channels;
5 sprue bush;
6 cover half cores;
7 guide pin bushings;
8 release links;
9 fine positioning projections;
10 moving-mould-cores;
11 cinder ladles;
12 thimbles;
13 air discharge ducts;
14 runners;
15 shunting;
16 dynamic model frames;
17 mould pin;
18 bumping posts.
A kind of mould for core block of the present invention, it mainly comprises cover half frame, dynamic model frame, with the cover half core being located in cover half frame, its difference with the prior art is: the working face of cover half frame is provided with cover half frame cavity, the working face of dynamic model frame is provided with the dynamic model frame cavity corresponding with cover half frame cavity, and described cover half frame cavity and the mutual amalgamation of dynamic model frame cavity become a complete casting mold die cavity;
The madial wall of cover half frame cavity is provided with a sprue bush, and described sprue bush is connected with cover half core; In dynamic model frame cavity, be provided with the moving-mould-core matching with cover half core, the madial wall of moving-mould-core is provided with shunting matching with sprue bush, shunts sub one end and is connected with a runner, and described runner is arranged in moving-mould-core;
In moving-mould-core, be provided with the lower impressions of a group, this group lower impressions consists of two symmetrically arranged core block lower impressions, each core block lower impressions is all isosceles trapezoid shape, and the surrounding of described core block lower impressions is evenly equipped with cinder ladle, and a side of cinder ladle is provided with air discharge duct, air discharge duct and cinder ladle be arranged so that exhaust is more effective, reduce product air holes, improve the quality of products, in one of them cinder ladle, be provided with thimble, its effect is after mould pushing-off mechanism, helps to eject core block product after die sinking;
Cover half core is provided with the one group of upper impression matching with one group of lower impressions, the described chamber of putting to torture consists of two symmetrical core block upper impression, and described core block upper impression consists of a square groove, the arc groove that point is located at one group of triangular groove of square groove left and right and is located at square groove bottom;
The one side of dynamic model frame is provided with mould pin, and one end of mould pin is provided with bumping post, and its purposes is the plane of placing at mould, protection water pipe.
On cover half frame, be evenly distributed with four guide pillars, described guide pillar divides the surrounding that is located at cover half frame working face; Dynamic model frame is provided with the guide pin bushing matching with guide pillar.Four drift angle places of moving-mould-core are respectively equipped with a fine positioning projection, and four drift angle places of cover half core working face are provided with the fine positioning groove matching with fine positioning projection.A release link on fine positioning projection, described release link has four, is evenly arranged on four drift angle places of moving-mould-core, and release link can help ejecting mechanism to reset in advance, is unlikely to damage the core of mould.
The middle part of cover half core is provided with cooling water channel, totally 3 of described cooling water channels, and 3 cooling water channels arranged side by side run through whole cover half core, and cooling water channel, in order to control the temperature of mould, makes mould keep temperature required.Described runner is funnel-form, and one end of runner is connected with shunting, and the other end of runner is divided into two sub-runners and is connected with core block lower impressions respectively.In cover half frame cavity, be provided with one group of pin, described pin setting position is corresponding with the position of the square groove of core block upper impression, the effect of pin is exactly that through hole or blind hole are set on the product of moulding, and pin is easy to loading and unloading, once damage, is convenient to replace.
During use, cover half frame, dynamic model frame is fixed on die casting machine, wherein dynamic model frame can slide accurately, the guide pin bushing that is located at the guide pillar on cover half frame and be located on dynamic model frame plays guide effect to the folding of mould, Angle Pin plays the effect of guiding to the folding of slide block, aluminium liquid pours in sprue bush, after shunting son and runner, flow into casting mold cavity, because being funnel-form increase pressure, runner makes aluminium liquid flow at high speed, just can filling casting mold cavity in the extremely short time, cast out high-quality product, be arranged on air discharge duct and cinder ladle in core block lower impressions, make exhaust more effective, reduce the pore of product, improved the quality of mould, the fine positioning groove of core block lower impressions surrounding and fine positioning projection make the location between cover half frame and dynamic model frame more accurate, greatly improved the product size precision of die casting, the thimble at place, core block lower impressions base is after mould pushing-off mechanism, after die sinking, help to eject core block product.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that the concrete enforcement of the present invention is confined to above-mentioned these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. the mould for core block, it mainly comprises cover half frame, dynamic model frame, with the cover half core being located in cover half frame, it is characterized in that: the working face of cover half frame is provided with cover half frame cavity, the working face of dynamic model frame is provided with the dynamic model frame cavity corresponding with cover half frame cavity, and described cover half frame cavity and the mutual amalgamation of dynamic model frame cavity become a complete casting mold die cavity;
The madial wall of cover half frame cavity is provided with a sprue bush, and described sprue bush is connected with cover half core; In dynamic model frame cavity, be provided with the moving-mould-core matching with cover half core, the madial wall of moving-mould-core is provided with shunting matching with sprue bush, shunts sub one end and is connected with a runner, and described runner is arranged in moving-mould-core;
In moving-mould-core, be provided with the lower impressions of a group, this group lower impressions consists of two symmetrically arranged core block lower impressions, and each core block lower impressions is all isosceles trapezoid shape, and the surrounding of described core block lower impressions is evenly equipped with cinder ladle, one side of cinder ladle is provided with air discharge duct, in one of them cinder ladle, is provided with thimble;
Cover half core is provided with the one group of upper impression matching with one group of lower impressions, the described chamber of putting to torture consists of two symmetrical core block upper impression, and described core block upper impression consists of a square groove, the arc groove that point is located at one group of triangular groove of square groove left and right and is located at square groove bottom;
The one side of dynamic model frame is provided with mould pin, and one end of mould pin is provided with bumping post.
2. a kind of mould for core block according to claim 1, is characterized in that: on cover half frame, be evenly distributed with four guide pillars, described guide pillar divides the surrounding that is located at cover half frame working face; Dynamic model frame is provided with the guide pin bushing matching with guide pillar.
3. a kind of mould for core block according to claim 1, is characterized in that: four drift angle places of moving-mould-core are respectively equipped with a fine positioning projection, and four drift angle places of cover half core working face are provided with the fine positioning groove matching with fine positioning projection.
4. a kind of mould for core block according to claim 1, is characterized in that: the middle part of cover half core is provided with cooling water channel, totally 3 of described cooling water channels, and 3 cooling water channels arranged side by side run through whole cover half core.
5. a kind of mould for core block according to claim 3, is characterized in that: a release link on fine positioning projection, described release link has four, is evenly arranged on four drift angle places of moving-mould-core.
6. a kind of mould for core block according to claim 1, is characterized in that: described runner is funnel-form, and one end of runner is connected with shunting, and the other end of runner is divided into two sub-runners and is connected with core block lower impressions respectively.
7. a kind of mould for core block according to claim 1, is characterized in that: in cover half frame cavity, be provided with one group of pin, described pin setting position is corresponding with the position of the square groove of core block upper impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720124.2A CN103736924A (en) | 2013-12-24 | 2013-12-24 | Mold for core block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720124.2A CN103736924A (en) | 2013-12-24 | 2013-12-24 | Mold for core block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103736924A true CN103736924A (en) | 2014-04-23 |
Family
ID=50494031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310720124.2A Pending CN103736924A (en) | 2013-12-24 | 2013-12-24 | Mold for core block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103736924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158539A (en) * | 2018-11-14 | 2019-01-08 | 禹州市昆仑模具有限公司 | A kind of upper mold for contact precoated sand mold |
-
2013
- 2013-12-24 CN CN201310720124.2A patent/CN103736924A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158539A (en) * | 2018-11-14 | 2019-01-08 | 禹州市昆仑模具有限公司 | A kind of upper mold for contact precoated sand mold |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140423 |