CN204603211U - A kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods - Google Patents
A kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods Download PDFInfo
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- CN204603211U CN204603211U CN201520182863.5U CN201520182863U CN204603211U CN 204603211 U CN204603211 U CN 204603211U CN 201520182863 U CN201520182863 U CN 201520182863U CN 204603211 U CN204603211 U CN 204603211U
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Abstract
The utility model relates to a kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods in casting technology field, comprise casting form, upside sand mold and downside sand mold, described downside of watering part apperance is preset with bottom gating sand mold, described running gate system sand mold is support the fan-shaped sand mold being arranged on the bottom inside of fan-shaped end cap casting form, is provided with ingate and some ingates be vertically upward communicated with ingate in described running gate system sand mold; The bottom vertical of described casting form is provided with some cast gate positioning tables corresponding with ingate, described cast gate positioning table leads with ingate and coordinates, described watering between the bottom outer-edge of part apperance and template is provided with some support bars to support the outward flange of casting form, the described upside direct quicksand of sand mold is on the upside of apperance, and inside is provided with some rising heads.Sand mould structure of the present utility model can simplify sand mold manufacture difficulty, reduces production cost, improves sand mold make efficiency, shortens the production cycle.
Description
Technical field
The utility model relates to casting technology field, particularly a kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods.
Background technology
Large-sized grinder charging and discharging end cap foundry goods is the main building block of grinding machine, and what general end covers casting structure adopted is 180 ° of sector structures, and ultra-large type end cap foundry goods also can adopt 90 ° of sector structures.This series products due to the method for operation single, structure is all comparatively fixing and simple, and only covering of the fan size is different and different according to product type.Therefore, this series products is comparatively ripe and fixing as the casting technique of conventional cast product.
This type of fan-shaped end covers foundry goods, the method that moulding general in prior art generally adopts external mold, tire plate is combined with core box.The method mainly has problems: the termination product of different model, needs to make different external mold, tire plate and core box, and by operations such as moulding, coremaking, mould assembling, the production cycle is long, and operation is many, fabrication cycle and production cost higher.Meanwhile, traditional design method needs to increase many places fit clearance in the fabrication process, and core print location equidimension, casting dimension controls difficulty, and quality control difficulty increases.
Utility model content
The utility model provides a kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods for making the fan-shaped end covers casting sand mold Problems existing of large-sized grinder in prior art, to simplify sand mold manufacture difficulty, reduce production cost, improve sand mold make efficiency, shorten the production cycle.
The purpose of this utility model realizes like this, a kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods, comprise casting form, upside sand mold and downside sand mold, described downside of watering part apperance is preset with bottom gating sand mold, described running gate system sand mold is support the fan-shaped sand mold being arranged on the bottom inside of fan-shaped end cap casting form, is provided with ingate and some ingates be vertically upward communicated with ingate in described running gate system sand mold; The bottom vertical of described casting form is provided with some cast gate positioning tables corresponding with ingate, described cast gate positioning table leads with ingate and coordinates, described watering between the bottom outer-edge of part apperance and template is provided with some support bars to support the outward flange of casting form, the described upside direct quicksand of sand mold is on the upside of apperance, and inside is provided with some rising heads.
For ease of realizing the supporting role of running gate system sand mold, described running gate system sand mold adds molding sand laying consolidation sclerosis rear support by false core baffle plate in advance and is arranged between template and casting form.
For ensureing the stable support of running gate system sand mold to casting form further, the width along fan-shaped generatrix direction of described running gate system sand mold is that fan-shaped end cap casting form is along maternal to 0.5-0.7 times of width.
For ease of operating personnel to the quicksand on the downside of apperance and preliminary consolidation, the minimum longitudinal direction on the downside of described casting form is highly greater than 800mm.
The large-sized grinder of the present utility model formative method of the sand mould structure of fan-shaped end covers foundry goods, comprises following process successively:
1) in template, use false core baffle plate to add the running gate system sand mold of molding sand laying bottom filling in advance, described running gate system sand mold is support the fan-shaped sand mold being arranged on the bottom inside of fan-shaped end cap casting form in sandbox, is provided with ingate and some ingates be vertically upward communicated with ingate in described running gate system sand mold; The running gate system sand mold of this structure mainly contains two effects, one is the ingate forming bottom gating, another effect is for installing casting form from bottom support, and this running gate system sand mold makes in advance before formal back-up sand makes sand mold and rear support to be hardened is arranged on the bottom of casting form to ensure support strength;
2) when removing false core baffle plate after the sclerosis of running gate system sand mold, sandbox is fixedly installed in template, fan-shaped end cap casting form is fixedly mounted on the top of running gate system sand mold, the fan-shaped bottom vertical of described fan-shaped end cap casting form is provided with some cast gate positioning tables coordinated that leads with ingate, then installs between the bottom outside and template of fan-shaped end cap casting form and arranges some support bars to support the outward flange of casting form; In this structure, both running gate system sand mold realizes by the guiding mating reaction of the positioning table on ingate and casting form, position is fixing, and the guide effect of positioning table and ingate is convenient to fix casting form from vertical direction, prevent casting form from adding vibration in sand consolidation process;
3) quicksand makes the sand mold on the downside of apperance, adopt lifting appliance constantly to sling and the apperance that falls in quicksand process in the upside of sandbox, with jolt ramming molding sand, and the height of apperance lifting is less than the guiding height of the cast gate positioning table bottom apperance, to ensure that lifting by crane dropping process apperance does not offset at every turn; In this step when quicksand makes the bottom side sand mold of apperance, stamping die sample is put by the molding sand jolt ramming of downside on constantly, casting form moves up and down in process, by the guide effect of cast gate positioning table and ingate, ensures that apperance does not offset and misplaces, thus ensure the consolidation of downside sand mold, this kind of back-up sand jolt ramming mode, the sandbox in hinge structure drives the mode of sand mold and apperance body vibration, easy to operate, laborsaving, be particularly suitable in large-scale or the moulding of ultra-large type end covers foundry goods quicksand;
4) quicksand on the downside of jolt ramming after sand mold, continue to add sand consolidation and make sand mold upper surface formation die joint concordant with on the upside of apperance, and at die joint even brushing one deck aluminium paint;
5) the some rising head moulds of appropriate location fixed placement on the upside of apperance, then direct sand mold on the upside of quicksand consolidation, treat sand mold harden on the upside of the making of sand mold;
6) open out upside sand mold along die joint is unpacking, take out casting form and rising head mould, more namely upside sand mold and the mould assembling of downside sand mold aligning are carried out pouring into a mould by baking oven.
The formative method of casting sand type of the present utility model, only need make an external mold apperance, tire plate and core box need not be made, do not need mould turnover molding in modeling process, reduce production process, shorten the production cycle, avoid the various potential safety hazard because large-scale mold turnover of sandbox operation exists and unfavorable factor, and the cast die cavity in the utility model, profile are all directly contacted by external mold apperance apperance and formed, size Control is accurate, and casting quality is high.
Accompanying drawing explanation
Fig. 1 is the perspective view of large-sized grinder of the present utility model with the sand mould structure of fan-shaped end covers foundry goods.
Fig. 2 is the longitudinal sectional drawing (removing running gate system sand mold and molding sand) of the large-sized grinder of the present utility model sand mould structure of fan-shaped end covers foundry goods.
Wherein, sand mold on the upside of 1; 2 rising heads; 3 casting forms; 4 support bars; Sand mold on the downside of in the of 5; 6 running gate system sand molds; 7 cast gate positioning tables.
Detailed description of the invention
As depicted in figs. 1 and 2, for the large-sized grinder of the present utility model sand mould structure of fan-shaped end covers foundry goods, comprise casting form 3, upside sand mold 1 and downside sand mold 5, wherein foundry goods module 3 waters part apperance for fan-shaped end cap, the downside of watering part apperance 3 is preset with bottom gating sand mold 6, running gate system sand mold 6 is support the fan-shaped sand mold being arranged on the bottom inside of casting form 3, is provided with ingate and some ingates be vertically upward communicated with ingate in running gate system sand mold 6; The bottom vertical of casting form 3 is provided with some cast gate positioning tables 7 corresponding with ingate, and cast gate positioning table 7 leads with ingate and coordinates, and cast gate positioning table 7 is starting taper shape, and the height of cast gate positioning table 7 is 50-70mm; Water between the bottom outer-edge of part apperance 3 and template and be evenly provided with some support bars 4 to support the outward flange of casting form 3, wherein, upside sand mold 1 directly quicksand, on the upside of apperance, arranges several rising heads 2 on the upside of apperance before quicksand.
For ease of realizing the stable support of running gate system sand mold 6 pairs of casting forms 3, the fan-shaped width along generatrix direction of running gate system sand mold 6 is that fan-shaped end cap casting form is along maternal to 0.5-0.7 times of width.
The personnel that do for convenience are to carrying out back-up sand and preliminary consolidation on the downside of casting mould 3, on the downside of this, the minimum longitudinal direction of sand mold 5 is highly greater than 800mm.
The large-sized grinder of the present utility model formative method of the sand mould structure of fan-shaped end covers foundry goods, successively by following process implementation:
1) in template, use false core baffle plate to add the running gate system sand mold 6 of molding sand laying bottom filling in advance, this false core baffle plate is equivalent to the form following mold box that makes running gate system sand mold, running gate system sand mold 6 is support the fan-shaped sand mold being arranged on the bottom inside of fan-shaped end cap casting form 3 in sandbox, is provided with ingate and some ingates be vertically upward communicated with ingate in this running gate system sand mold 6; The running gate system sand mold 6 of this structure mainly contains two effects, one is the ingate forming bottom gating, another effect is for installing casting form 3 from bottom support, and this running gate system sand mold 6 makes in advance before formal back-up sand makes sand mold and rear support to be hardened is arranged on the bottom of casting form 3 to ensure support strength;
2) after running gate system sand mold 6 hardens, false core baffle plate is removed, sandbox is fixedly installed in template, fan-shaped end cap casting form is fixedly mounted on the top of running gate system sand mold, the fan-shaped bottom vertical of this casting form 3 is provided with some cast gate positioning tables 7 coordinated that leads with ingate, then installs between the bottom outside and template of casting form 3 and arranges some support bars 4 to support the outward flange of casting form 3; In this structure, both running gate system sand mold 6 realizes by the guiding mating reaction of the cast gate positioning table 7 on ingate and casting form, position is fixing, and cast gate positioning table 7 is convenient to fix casting form 3 from vertical direction with the guide effect of ingate, prevents casting form from adding vibration in sand consolidation process;
3) quicksand makes the sand mold on the downside of apperance, adopt lifting appliance constantly to sling and the casting form 3 that falls in quicksand process in the upside of sandbox, with jolt ramming molding sand, and the height that casting form 3 is lifted by crane is less than the guiding height of the cast gate positioning table 7 bottom apperance, to ensure that lifting by crane dropping process apperance does not offset at every turn; In this step when quicksand makes the bottom side sand mold of casting form 3, on constantly, put casting form 3 by the molding sand jolt ramming of downside, casting form 3 moves up and down in process, by the guide effect of cast gate positioning table 7 with ingate, ensure that apperance does not offset and misplaces, thus ensure the consolidation of downside sand mold, this kind of back-up sand jolt ramming mode, sandbox in hinge structure drives the mode of sand mold and apperance body vibration, easy to operate, laborsaving, be particularly suitable in large-scale or the moulding of ultra-large type end covers foundry goods quicksand;
4) quicksand on the downside of jolt ramming after sand mold 5, continue to add sand consolidation and make sand mold upper surface formation die joint concordant with on the upside of apperance, and at die joint even brushing one deck aluminium paint;
5) the some rising head moulds of appropriate location fixed placement on the upside of apperance, then direct sand mold 1 on the upside of quicksand consolidation, treat sand mold harden on the upside of the making of sand mold 1;
6) unpack along die joint and open out upside sand mold, take out casting form 3 and rising head mould, then upside sand mold 1 and downside sand mold 5 are aimed at namely mould assembling carry out can baking oven cast.
Claims (4)
1. the large-sized grinder sand mould structure of fan-shaped end covers foundry goods, comprise casting form, upside sand mold and downside sand mold, it is characterized in that, described downside of watering part apperance is preset with bottom gating sand mold, described running gate system sand mold is support the fan-shaped sand mold being arranged on the bottom inside of fan-shaped end cap casting form, is provided with ingate and some ingates be vertically upward communicated with ingate in described running gate system sand mold; The bottom vertical of described casting form is provided with some cast gate positioning tables corresponding with ingate, described cast gate positioning table leads with ingate and coordinates, described watering between the bottom outer-edge of part apperance and template is provided with some support bars to support the outward flange of casting form, the described upside direct quicksand of sand mold is on the upside of apperance, and inside is provided with some rising heads.
2. the large-sized grinder according to claim 1 sand mould structure of fan-shaped end covers foundry goods, is characterized in that, described running gate system sand mold adds molding sand laying consolidation sclerosis rear support by false core baffle plate in advance and is arranged between template and casting form.
3. the large-sized grinder according to claim 1 sand mould structure of fan-shaped end covers foundry goods, is characterized in that, described running gate system sand mold is fan-shaped end cap casting form along 0.5-0.7 times of generatrix direction width along the width of fan-shaped generatrix direction.
4. the large-sized grinder according to claim 1 sand mould structure of fan-shaped end covers foundry goods, is characterized in that, the minimum longitudinal direction on the downside of described casting form is highly greater than 800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182863.5U CN204603211U (en) | 2015-03-30 | 2015-03-30 | A kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182863.5U CN204603211U (en) | 2015-03-30 | 2015-03-30 | A kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods |
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| CN204603211U true CN204603211U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520182863.5U Withdrawn - After Issue CN204603211U (en) | 2015-03-30 | 2015-03-30 | A kind of large-sized grinder sand mould structure of fan-shaped end covers foundry goods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722708A (en) * | 2015-03-30 | 2015-06-24 | 共享铸钢有限公司 | Modeling method and sand mold structure of sector-shaped end cover type casting for large-size mill |
| CN105903911A (en) * | 2016-06-02 | 2016-08-31 | 共享铸钢有限公司 | Casting method for grinder end cover type cast steel part |
-
2015
- 2015-03-30 CN CN201520182863.5U patent/CN204603211U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722708A (en) * | 2015-03-30 | 2015-06-24 | 共享铸钢有限公司 | Modeling method and sand mold structure of sector-shaped end cover type casting for large-size mill |
| CN105903911A (en) * | 2016-06-02 | 2016-08-31 | 共享铸钢有限公司 | Casting method for grinder end cover type cast steel part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |