CN201659254U - Die capable of one-step demolding - Google Patents
Die capable of one-step demolding Download PDFInfo
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- CN201659254U CN201659254U CN2010201443894U CN201020144389U CN201659254U CN 201659254 U CN201659254 U CN 201659254U CN 2010201443894 U CN2010201443894 U CN 2010201443894U CN 201020144389 U CN201020144389 U CN 201020144389U CN 201659254 U CN201659254 U CN 201659254U
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- movable block
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- pattern
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Abstract
The utility model discloses a die capable of one-step demolding, which is used for molding a wax pattern provided with a lug on the inner wall thereof. The die core comprises a main body matched with the shape of the wax pattern, a movable block and a driving part, wherein an accommodating groove is formed at the lower part of the main body, a guide hole communicated with the accommodating groove and used for guiding the driving part to slide is formed at the upper part of the main body, and the accommodating groove comprises a transverse groove for allowing the movable block to slide and a molding groove which is positioned on the surface of the main body and consistent with the shape of the lug; and a sealing relationship is respectively adopted between the movable block and the transverse groove as well as between the bottom of the driving part and the movable block, an inclined surface is formed on the surface of the movable block relative to the driving part, an inclined end surface matched with the inclined surface and used for pushing the inclined surface is formed on the surface of the driving part relative to the movable block, and a meshing structure for dragging the movable block through the driving part is also formed between the inclined end surface of the driving part and the inclined surface of the movable block. The utility model can complete the demolding working procedure at a time, thereby having the advantages of simple demolding procedures and high demolding efficiency.
Description
Technical field
The utility model relates to the mould in the precision-investment casting field, relates to a kind of mould of the disposable demoulding of energy when the moulding wax-pattern in particular.
Background technology
Precision-investment casting is a kind of casting technique of cutting less or not having cutting, is the technology of an excellence in the casting industry, and its application is very extensive.It is not only applicable to the casting of all kinds, various alloys, and the casting dimension accuracy of producing, surface quality are than other casting method height, even other casting method be difficult to cast complexity, high temperature resistant, the foundry goods that is not easy to process, all can adopt precision-investment casting to cast.Existing investment precision casting technology is realized by following operation:
1, make metal pattern: according to the pattern of detail of design making workpiece, pattern generally is made of aluminum;
2, make wax-pattern: wax is injected in the pattern, wax-pattern is taken out after waiting the wax cooling, at this moment wax-pattern consistent with the natural scale of workpiece (actual size is amplified to some extent according to casting shrinkage rates);
3, hang sand: the wax-pattern surface is stained with, is stained with Star to certain thickness with casting model powder;
4, dewax: the wax-pattern behind the extension sand is put into water and is boiled boiling of wax, finally stays next arenaceous shell;
5, roasting: arenaceous shell is carried out roasting, make it have certain intensity;
6, casting: molten iron is poured in the arenaceous shell after the roasting, waits the molten iron cooling back demoulding promptly to obtain foundry goods.
When the moulding wax-pattern, mould of the prior art generally includes upper die and lower die, and this counterdie has die cavity, this patrix then is installed with the core rod that can penetrate in this die cavity, be reserved with the space between this core rod and this counterdie, this space promptly is full of for liquid wax, and then forms wax-pattern.
For the wax-pattern that is formed with projection on the inwall, it is when moulding, core rod with patrix is reserved with and bump position and the corresponding to space of shape often, this space occupies for liquid wax, so when the moulding wax-pattern, this space will be connected with the space between core rod and the counterdie, has promptly formed the wax-pattern that inwall has projection, though this method can realize basic effect.But, use the mould of this method at present, it is when carrying out stripping process, because the projection on this wax-pattern can hinder the demoulding of the core rod that is positioned at the projection below, so existing core rod need be set to movable polylith usually, this will make whole patrix when the demoulding, often need to be divided into independently operation of multiple tracks, so present mould has the complicated and low defective of demoulding efficiency of stripping process.
In view of this, the inventor has this case to produce at the above-mentioned defective further investigation of existing mold then.
The utility model content
The purpose of this utility model is to provide a kind of mould that can the disposable demoulding, and when solving that the moulding inwall has the wax-pattern of projection in the prior art, its knockout course must be divided into the multiple tracks independent process, and then causes the complicated and low problem of demoulding efficiency of stripping process.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of mould that can the disposable demoulding, be used for the wax-pattern that the moulding inwall has projection, comprise upper die and lower die, this counterdie has die cavity, this patrix then is installed with the core rod that can penetrate in this die cavity, wherein, this core rod comprises body, movable block and the actuator with the wax-pattern form fit, this body bottom offers holding tank, this body top then offers and is connected with this holding tank and guides the pilot hole that this actuator slides, and this holding tank comprises the transverse groove that slides for this movable block and is positioned at body surface and the forming tank consistent with the projection shape; All be the sealing shape between this movable block and transverse groove and actuator bottom and movable block, this movable block and actuator facing surfaces form the inclined-plane, this actuator and this movable block facing surfaces also form with this inclined-plane and are complementary and the inclined end face on this inclined-plane of ejection, between the inclined end face of this actuator and the inclined-plane of this movable block also formation make actuator can draw the engaging structure of movable block.
Further, this engaging structure comprises and is positioned on the movable block and protrudes in the T shape projection on this inclined-plane and be positioned on the actuator and be recessed in inverted T-shaped groove on this inclined end face that this inverted T-shaped groove extends and end in the bottom of actuator along this inclined end face.
Further, this actuator top also is formed with holding end.
After adopting said structure, the utility model relates to can the disposable demoulding mould, when matched moulds, only need press down this actuator, the inclined-plane of this movable block of the ejection of the inclined end face of this actuator meeting at this moment, thus make this movable block move along transverse groove, and fill up this transverse groove, the just only remaining forming tank that is positioned at this body surface of this storage tank gets final product pouring liquid wax this moment, and then forms the wax-pattern that inwall has projection like this; When the needs die sinking, draw this actuator on only needing, engaging structure between this actuator inclined end face and this movable block inclined-plane promptly can produce a pulling force obliquely to movable block at this moment, the component of the horizontal direction of this pulling force will make the medial movement of this movable block towards transverse groove, and then break away from keeping out of this wax-pattern inwall projection, and finally realized the disposable demoulding.So the utlity model has the simple and fast characteristics of demoulding efficiency of demoulding step.
Description of drawings
Fig. 1 for the utility model relate to a kind of can the mould of the disposable demoulding in structural representation after core rod and the wax-pattern combination;
Fig. 2 is the three-dimensional exploded view of Fig. 1;
Fig. 3 is the enlarged diagram of A portion among Fig. 2;
Fig. 4 is the enlarged diagram of B portion among Fig. 2;
A kind of mould cutaway view after core rod and the wax-pattern combination when being in the matched moulds state that can the disposable demoulding that Fig. 5 relates to for the utility model;
A kind of mould cutaway view after core rod and the wax-pattern combination when being in the part die opening state that can the disposable demoulding that Fig. 6 relates to for the utility model.
Among the figure:
Inclined-plane 121 actuators 13
Inclined end face 131 holding ends 132
Engaging structure 14 T shape projections 141
Inverted T-shaped groove 142 wax-patterns 2
The specific embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
As shown in Figures 1 to 4, a kind of mould 100 that can the disposable demoulding that relates to for the utility model shown in it, it is applicable to that mainly the moulding inwall has the wax-pattern 2 of projection 21, comprise patrix (not shown) and counterdie (not shown), this counterdie has the die cavity (not shown), this patrix then is installed with the core rod 1 that can penetrate in this die cavity, for these upper die and lower die, it is all similar with structure of the prior art, be inherent structure, so be not described in detail, will be that core rod 1 part is described in detail to improvement of the present utility model below:
This core rod 1 comprises body 11, movable block 12 and actuator 13, on these body 11 appearance integrals with wax-pattern 2 form fit, concrete, it is and the inner wall shape of wax-pattern 2 coupling, for wax-pattern 2 outer wall shapes then with the form fit of counterdie, specifically will not give unnecessary details at this.These body 11 bottoms offer holding tank 111, and top then offers pilot hole 114, and this pilot hole 114 is connected with this holding tank 111, and play the effect that this actuator 13 of guiding slides, and this pilot hole 114 is complementary with the profile of this actuator 13; This holding tank 111 comprises two parts that are connected, it is respectively transverse groove 112 and forming tank 113, this transverse groove 112 slides for this movable block 12, and and 12 of this movable blocks be the sealing shape, 113 of this forming tank are positioned at the surperficial and consistent with these projection 21 shapes of this body 11, thereby the confession liquid wax is full of and forms projection 21, in addition, also need be the sealing shape between actuator 13 bottoms and the movable block 12, thereby avoid this liquid wax to enter in the core rod 1; Thereby these movable block 12 1 sides contribute for contacting to moulding wax-pattern 2 with liquid wax, one side promptly then forms inclined-plane 121 with actuator 13 facing surfaces in addition, on the other side, this actuator 13 also forms inclined end face 131 with these movable block 12 facing surfaces, this inclined end face 131 is complementary with this inclined-plane 121, and is used for this inclined-plane 121 of ejection, promptly when this actuator 13 is pressed down, these inclined end face 131 these inclined-planes 121 of meeting ejection, and then drive this movable block 12 along transverse groove 112 slips; Also be formed with engaging structure 14 between the inclined end face 131 of this actuator 13 and the inclined-plane 121 of this movable block 12, this engaging structure 14 can make actuator 13 dilatory these movable blocks 12, promptly when this actuator 13 by on when drawing, this actuator 13 can drag this movable block 12 by this engaging structure 14, and this movable block 12 is slided along transverse groove 112.
Need to prove, the utility model relates to can the disposable demoulding mould 100 can have only the wax-pattern 2 of a projection 21 at inwall, the wax-pattern 2 of a plurality of projections 21 can also be arranged at inwall.As an example, as shown in Figure 2, its wax-pattern that forms out 2 promptly has two relative projections 21, this moment, this movable block 12 was set to two, this actuator 13 then all forms inclined end face 131 with these two movable blocks, 12 facing surfaces, simultaneously these two movable blocks 12 is operated with regard to realizing like this.Certainly, when its projection 21 is that 3 and 3 are when above, the movable block 12 that also can be by corresponding number is set and the actuator 13 of some realize that the number and the position of concrete actuator 13 should be decided according to the position of concrete projection 21, just do not describe one by one at this.
As a kind of embodiment of this engaging structure 14, this engaging structure 14 comprises T shape projection 141 and inverted T-shaped groove 142, and this T shape projection 141 is positioned on the movable block 12, and protrudes in this inclined-plane 121; This inverted T-shaped groove 142 then is positioned on the actuator 13, and be recessed on this inclined end face 131, this inverted T-shaped groove 142 extends and ends in the bottom of actuator 13 along this inclined end face 131, promptly this inverted T-shaped groove 142 is not the inclined end face 131 that has run through this actuator 13, promptly end this inverted T-shaped groove 142 bottom surface of being driven part 13, thereby make this movable block 12 be connection status with actuator 13 always.Need to prove, this engaging structure 14 if can realize when actuator 13 by on can drive this movable block 12 along transverse groove 112 slips when drawing, it is not limited to present embodiment.
For the ease of actuator 13 is operated, these actuator 13 tops also are formed with holding end 132, and as a kind of embodiment, these holding end 132 T-shaped shapes are operated this actuator 13 or are convenient to this actuator 13 and link to each other with patrix so can be convenient to demoulding person.
Below in conjunction with Fig. 5 with the utility model is related to the matched moulds of mould 100 to Fig. 6 and the process of die sinking is described in detail:
As shown in Figure 5, the mould 100 that the utility model relates to, when the needs matched moulds, only need press down this actuator 13, the inclined end face 131 of this actuator 13 is understood the inclined-plane 121 of these movable blocks 12 of ejection at this moment, thereby make this movable block 12 move laterally along transverse groove 112, and fill up this transverse groove 112, when this movable block 12 arrives needed position, the just only remaining forming tank 113 that is positioned at these body 11 surfaces of this storage tank, get final product pouring liquid wax this moment, this liquid wax promptly can enter this forming tank 113 and form projection 21 structures, and then forms the wax-pattern 2 that inwall has projection 21;
As shown in Figure 6, the mould 100 that the utility model relates to, when the needs die sinking, draw this actuator 13 on only needing, engaging structure 14 between these actuator 13 inclined end faces 131 and this movable block 12 inclined-planes 121 promptly can produce a pulling force obliquely to movable block 12 at this moment, the component of the horizontal direction of this pulling force will make the medial movement of this movable block 12 towards transverse groove 112, and then break away from keeping out of these wax-pattern 2 inwall projections 21, and finally realize the disposable demoulding.
In sum, the mould 100 that the utility model relates to can be realized the disposable demoulding, and then has the simple and fast characteristics of demoulding efficiency of demoulding step.
The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (3)
- One kind can the disposable demoulding mould, be used for the wax-pattern that the moulding inwall has projection, comprise upper die and lower die, this counterdie has die cavity, this patrix then is installed with the core rod that can penetrate in this die cavity, it is characterized in that, this core rod comprises body, movable block and the actuator with the wax-pattern form fit, this body bottom offers holding tank, this body top then offers and is connected with this holding tank and guides the pilot hole that this actuator slides, and this holding tank comprises the transverse groove that slides for this movable block and is positioned at body surface and the forming tank consistent with the projection shape; All be the sealing shape between this movable block and transverse groove and actuator bottom and movable block, this movable block and actuator facing surfaces form the inclined-plane, this actuator and this movable block facing surfaces also form with this inclined-plane and are complementary and the inclined end face on this inclined-plane of ejection, between the inclined end face of this actuator and the inclined-plane of this movable block also formation make actuator can draw the engaging structure of movable block.
- 2. a kind of mould that can the disposable demoulding as claimed in claim 1, it is characterized in that, this engaging structure comprises and is positioned on the movable block and protrudes in the T shape projection on this inclined-plane and be positioned on the actuator and be recessed in inverted T-shaped groove on this inclined end face that this inverted T-shaped groove extends and end in the bottom of actuator along this inclined end face.
- 3. a kind of mould that can the disposable demoulding as claimed in claim 1 is characterized in that this actuator top also is formed with holding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201443894U CN201659254U (en) | 2010-03-23 | 2010-03-23 | Die capable of one-step demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201443894U CN201659254U (en) | 2010-03-23 | 2010-03-23 | Die capable of one-step demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659254U true CN201659254U (en) | 2010-12-01 |
Family
ID=43229664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201443894U Expired - Fee Related CN201659254U (en) | 2010-03-23 | 2010-03-23 | Die capable of one-step demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659254U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000768A (en) * | 2010-12-07 | 2011-04-06 | 中国南方航空工业(集团)有限公司 | Method for forming precision casting wax dies |
| CN102078916A (en) * | 2010-12-29 | 2011-06-01 | 陈祥坤 | Wax injector |
| CN104416118A (en) * | 2013-08-27 | 2015-03-18 | 惠东县吉邦五金制品有限公司 | Mold screwing-out structure of wax injecting mold |
-
2010
- 2010-03-23 CN CN2010201443894U patent/CN201659254U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000768A (en) * | 2010-12-07 | 2011-04-06 | 中国南方航空工业(集团)有限公司 | Method for forming precision casting wax dies |
| CN102000768B (en) * | 2010-12-07 | 2016-01-06 | 株洲中航动力精密铸造有限公司 | A kind of method for forming precision casting wax dies |
| CN102078916A (en) * | 2010-12-29 | 2011-06-01 | 陈祥坤 | Wax injector |
| CN102078916B (en) * | 2010-12-29 | 2012-11-21 | 陈祥坤 | Wax injector |
| CN104416118A (en) * | 2013-08-27 | 2015-03-18 | 惠东县吉邦五金制品有限公司 | Mold screwing-out structure of wax injecting mold |
| CN104416118B (en) * | 2013-08-27 | 2016-09-07 | 惠东县吉邦五金制品有限公司 | One is penetrated Wax mold and is screwed out structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20140323 |