CN204276807U - The cold wax stone mould containing core retainer plate of investment-casting - Google Patents
The cold wax stone mould containing core retainer plate of investment-casting Download PDFInfo
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- CN204276807U CN204276807U CN201420776442.0U CN201420776442U CN204276807U CN 204276807 U CN204276807 U CN 204276807U CN 201420776442 U CN201420776442 U CN 201420776442U CN 204276807 U CN204276807 U CN 204276807U
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- retainer plate
- core retainer
- installing hole
- wax
- investment
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Abstract
The utility model relates to a kind of cold wax stone mould containing core retainer plate of investment-casting, a kind of cold wax stone mould containing core retainer plate of investment-casting comprises upper die and lower die, die cavity is provided with between upper and lower mould, the upper buckling surface of patrix and/or the lower buckling surface of counterdie are provided with the installing hole be communicated with die cavity, be provided with core retainer plate in installing hole, the inwall of core retainer plate be provided with the internal thread for corresponding core bar spinning.The utility model by arranging installing hole on patrix and/or counterdie, first core retainer plate is arranged in installing hole, make wax-pattern again, the wax material of flowing can be connected with core retainer plate, when after wax material solidification, core retainer plate and wax-pattern just define the overall structure be solid-located, directly core bar is screwed in core retainer plate when needs connect core bar, therefore subsequent artefacts is not needed to hole and welding resistance core bar process, the installation effectiveness of core bar is high, simultaneously owing to not needing artificial boring, flow out and wax-pattern problem on deformation so there is not wax material.
Description
Technical field
The utility model relates to the cold wax stone mould containing core retainer plate of the investment-casting in model casting field.
Background technology
Model casting is a kind of advanced technologies of near-net-shape, directly affects the casting quality in later stage in the surface quality quality of wax pattern in investment casting.Further, in order to raise the efficiency the time that should shorten and make wax-pattern.In investment casting process, the cold wax stone mould containing core retainer plate adopting investment-casting is needed to suppress the wax-pattern consistent with casting dimension shape, then at wax-pattern (needing the module needed for becoming according to technique assembly welding when running into complicated shape), periphery coats mud or other material forms housing, existing investment-casting containing core retainer plate cold wax stone mould as shown in Figure 1: comprise patrix 1 and counterdie 4, patrix has upper buckling surface, counterdie has the lower buckling surface coordinated with upper buckling surface make-up, be provided with die cavity 2 between upper and lower mould, upper and lower fastening face be provided with and penetrate wax mouth.In coating process, need to use a threaded core bar, like this in shell process processed, operating personnel can overturn wax-pattern by core bar and realize coating, can also be hung, hand-held wax-pattern by core bar.In order to be connected on wax-pattern by core bar, need the heated steel pipe of the center of gravity in the wax-pattern a part suppressed to bore a circular hole more bigger than core bar, then core bar assembly welding in circular hole.Existing this core bar type of attachment Problems existing is: need manually to hole, in boring procedure, there is wax material outflow can affect the surface quality of wax-pattern, and waste wax material, artificial assembly welding core bar, assembly welding core bar required time is 1.5 hours, during processing circular hole, the processed position of wax-pattern is by thermal fusible or deform, can not ensure during artificial circular hole that each circular hole can both be opened in the equilbrium position of wax-pattern, can housing distortion be caused after assembly welding core bar in loft dried process, even cause the casting deformation of last moulding by casting.
Utility model content
The purpose of this utility model is the cold wax stone mould containing core retainer plate providing a kind of investment-casting, needs to affect operating efficiency and the problem of the yielding fusing of wax-pattern by core bar assembly welding to wax-pattern by hand to solve in prior art.
In order to solve the problem, the technical solution of the utility model is:
A kind of cold wax stone mould containing core retainer plate of investment-casting, comprise upper die and lower die, die cavity is provided with between upper and lower mould, the upper buckling surface of patrix and/or the lower buckling surface of counterdie are provided with the installing hole that the axis that is communicated with die cavity extends along the longitudinal direction, be provided with core retainer plate in installing hole, the inwall of core retainer plate be provided with the internal thread for corresponding core bar spinning.
Installing hole is arranged on the upper buckling surface of described patrix and the lower buckling surface of counterdie, and installing hole comprises first installing hole part of upper buckling surface being arranged at described patrix and second installing hole part be arranged on the lower buckling surface of described counterdie.
One end of core retainer plate is arranged in described installing hole, and the other end of core retainer plate overhangs in described die cavity, the projecting end outer peripheral face of core retainer plate offers at least two annular grooves arranged along core retainer plate axially spaced-apart.
Cold wax stone mould also comprises for the plug of spinning on described internal thread.
Described installing hole comprises the middle path section of placing for the thread segment on plug, installing hole also comprises the rear large footpath section be connected with described die cavity being arranged at described middle path section rear end, the front end orientation assemble of described core retainer plate is in the section of described large footpath, and installing hole also comprises the front large footpath section of the head placement of the described plug of confession being arranged at middle path section front end.
The beneficial effects of the utility model are: the utility model by arranging installing hole on patrix and/or counterdie, first core retainer plate is arranged in installing hole, make wax-pattern again, the wax material of flowing can be connected with core retainer plate, when after wax material solidification, core retainer plate and wax-pattern just define the overall structure be solid-located, directly core bar is screwed in core retainer plate when needs connect core bar, therefore subsequent artefacts is not needed to hole and welding resistance core bar process, the installation effectiveness of core bar is high, simultaneously owing to not needing artificial boring, flow out and wax-pattern problem on deformation so there is not wax material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model background technology;
Fig. 2 is the structural representation of an embodiment in the utility model;
Fig. 3 is structural representation when not having core retainer plate and plug in Fig. 2;
Fig. 4 is the using state figure of Fig. 2;
Fig. 5 is the structural representation of core retainer plate and plug in Fig. 2.
Detailed description of the invention
A kind of embodiment of the cold wax stone mould containing core retainer plate of investment-casting is as shown in Fig. 2 ~ 5: comprise patrix 5 and counterdie 8, patrix is provided with buckling surface, counterdie is provided with the lower buckling surface coordinated with upper buckling surface, on, die cavity 6 is provided with between counterdie, the upper buckling surface of patrix and the lower buckling surface of counterdie are provided with and penetrate wax mouth 7, in penetrating the other installing hole being provided with the axis that is communicated with die cavity 6 and extending along the longitudinal direction of wax mouth 7 on the lower buckling surface of the upper and lower mould of upper buckling surface of patrix, installing hole is stepped hole, stepped hole comprises middle path section and is arranged at front large footpath section 15 and the rear large footpath section 16 of middle path section 14 rear and front end respectively, rear large footpath section is connected with die cavity, in the section of rear large footpath, orientation assemble has core retainer plate 9, the front end of core retainer plate 9 is by the step surface block between rear large footpath section and middle path section, in the overhanging progressive die chamber, rear end of core retainer plate, the projecting end outer peripheral face of core retainer plate offers multiple annular groove 11 arranged along core retainer plate axially spaced-apart, the inwall of core retainer plate is provided with the internal thread for corresponding core bar spinning, cold wax stone mould also comprises for the plug 10 of spinning on internal thread, plug 10 comprises head 12 and is arranged at the thread segment 13 of head rear end, during use, the partial threads section of plug is arranged in middle path section, the head of plug is located in the section of front large footpath.Installing hole comprises second installing hole part of first installing hole part be arranged on the upper buckling surface of patrix and the lower buckling surface being arranged at counterdie.
During use, by plug spinning on the internal thread of core retainer plate, front large step surface between footpath section and middle path section can position plug, prevent plug transition from screwing in core retainer plate, then core retainer plate is placed in the rear large footpath section of installing hole, plug plays fixing core retainer plate, prevent wax material from entering the effect of core retainer plate, then in die cavity, wax material is injected, the wax material of flowing can be filled whole die cavity and be connected with core retainer plate, when forming wax-pattern 17 after wax material solidification, core retainer plate and wax-pattern form overall structure, annular groove on core retainer plate can increase the contact area of core retainer plate and wax material, ensure the bonding strength of wax material and core retainer plate, to dismantle plug, directly by core bar spinning in core retainer plate, need not manually hole, while raising core bar installation effectiveness, do not have wax material flow out and affect wax material surface quality yet, wax-pattern also there will not be the problem of heat distortion.For investment-casting, adopt the process of former assembly welding core bar, the shortest assembly welding time is 1.5 hours, every welding resistance module additionally consumes 0.05kg wax material, according to the cold wax stone mould in the utility model, without welding resistance core bar, waste wax material hardly, often make 100 modules under the same conditions, former assembly welding technique is than the many consumption of technique 30 degree of electricity after improvement, and the technique after improvement can save 150 hours, saves 5kg wax material, greatly improve labor productivity, reduce production cost; On each wax-pattern, the position of core retainer plate is fixing in addition, only need ensure that the position of core retainer plate opposing mold just can ensure that the link position of core bar is in the position of centre of gravity of wax-pattern, look for center of gravity by artificial experience compared to existing technology, while raising the efficiency, also ensure the reliability that position of centre of gravity is found accurately.
In other embodiment of this cold wax stone mould: installing hole also can be the unthreaded hole structure that aperture is consistent from the inside to the outside; Installing hole also can only be arranged on buckling surface or on lower buckling surface; Plug also can not be established, and now can prevent wax material from entering in core retainer plate by optimizing casting, or be removed by wax material after core retainer plate flows into wax material again; Annular groove on core retainer plate also can not be established.
Claims (5)
1. the cold wax stone mould containing core retainer plate of an investment-casting, comprise upper die and lower die, die cavity is provided with between upper and lower mould, it is characterized in that: the upper buckling surface of patrix and/or the lower buckling surface of counterdie are provided with the installing hole that the axis that is communicated with die cavity extends along the longitudinal direction, be provided with core retainer plate in installing hole, the inwall of core retainer plate be provided with the internal thread for corresponding core bar spinning.
2. the cold wax stone mould containing core retainer plate of investment-casting according to claim 1, it is characterized in that: installing hole is arranged on the upper buckling surface of described patrix and the lower buckling surface of counterdie, installing hole comprises first installing hole part of upper buckling surface being arranged at described patrix and second installing hole part be arranged on the lower buckling surface of described counterdie.
3. the cold wax stone mould containing core retainer plate of investment-casting according to claim 1, it is characterized in that: one end of core retainer plate is arranged in described installing hole, the other end of core retainer plate overhangs in described die cavity, the projecting end outer peripheral face of core retainer plate offers at least two annular grooves arranged along core retainer plate axially spaced-apart.
4. the cold wax stone mould containing core retainer plate of the investment-casting according to claim 1 ~ 3 any one, is characterized in that: cold wax stone mould also comprises for the plug of spinning on described internal thread.
5. the cold wax stone mould containing core retainer plate of investment-casting according to claim 4, it is characterized in that: described installing hole comprises the middle path section of placing for the thread segment on plug, installing hole also comprises the rear large footpath section be connected with described die cavity being arranged at described middle path section rear end, the front end orientation assemble of described core retainer plate is in the section of described large footpath, and installing hole also comprises the front large footpath section of the head placement of the described plug of confession being arranged at middle path section front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420776442.0U CN204276807U (en) | 2014-12-11 | 2014-12-11 | The cold wax stone mould containing core retainer plate of investment-casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420776442.0U CN204276807U (en) | 2014-12-11 | 2014-12-11 | The cold wax stone mould containing core retainer plate of investment-casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204276807U true CN204276807U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420776442.0U Expired - Fee Related CN204276807U (en) | 2014-12-11 | 2014-12-11 | The cold wax stone mould containing core retainer plate of investment-casting |
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| CN (1) | CN204276807U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550701A (en) * | 2014-12-11 | 2015-04-29 | 洛阳鹏起实业有限公司 | Core sleeve-containing cold wax block mold of investment casting |
| CN105855467A (en) * | 2016-04-11 | 2016-08-17 | 青岛立博汽车零部件精密铸造有限公司 | Wax core inner die used for precision casting and wax core manufacture method |
| CN106734885A (en) * | 2017-01-18 | 2017-05-31 | 江苏永瀚特种合金技术有限公司 | A kind of method that cold wax stone and ceramic core are used for wax-pattern compacting simultaneously |
-
2014
- 2014-12-11 CN CN201420776442.0U patent/CN204276807U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550701A (en) * | 2014-12-11 | 2015-04-29 | 洛阳鹏起实业有限公司 | Core sleeve-containing cold wax block mold of investment casting |
| CN104550701B (en) * | 2014-12-11 | 2016-09-21 | 洛阳鹏起实业有限公司 | A kind of cold wax stone mould containing core retainer plate of investment-casting |
| CN105855467A (en) * | 2016-04-11 | 2016-08-17 | 青岛立博汽车零部件精密铸造有限公司 | Wax core inner die used for precision casting and wax core manufacture method |
| CN105855467B (en) * | 2016-04-11 | 2018-05-29 | 青岛立博汽车零部件精密铸造有限公司 | A kind of hot investment casting wax tube filler inner mold and wax core production method |
| CN106734885A (en) * | 2017-01-18 | 2017-05-31 | 江苏永瀚特种合金技术有限公司 | A kind of method that cold wax stone and ceramic core are used for wax-pattern compacting simultaneously |
| CN106734885B (en) * | 2017-01-18 | 2018-10-12 | 江苏永瀚特种合金技术有限公司 | A method of cold wax stone and ceramic core are used for wax-pattern simultaneously and suppressed |
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| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 471023 Henan Province, Luoyang city Luolong District Yuwen Kai Street No. 67 Patentee after: LUOYANG PENGQI INDUSTRIAL Co.,Ltd. Address before: Kaiyuan Avenue, Luolong District 471000 in Henan province Luoyang City, No. 248 Continental Mansion 818 Patentee before: LUOYANG PENGQI INDUSTRIAL Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20211211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |