CN207170864U - A kind of flash gate cup suitable for furane resins sand molding - Google Patents
A kind of flash gate cup suitable for furane resins sand molding Download PDFInfo
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- CN207170864U CN207170864U CN201721218408.1U CN201721218408U CN207170864U CN 207170864 U CN207170864 U CN 207170864U CN 201721218408 U CN201721218408 U CN 201721218408U CN 207170864 U CN207170864 U CN 207170864U
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- Prior art keywords
- die cavity
- flashboard
- gate
- gate body
- cup
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Abstract
The utility model discloses a kind of flash gate cup suitable for furane resins sand molding, including gate body, flashboard, the die cavity for accommodating molten iron is provided with the gate body, the opening of the gate body is provided with flashboard, the die cavity is divided into two parts by the flashboard, gap is provided between the flashboard and the bottom interior surface of the gate body, the bottom of the gate body is provided with step, the die cavity is divided into die cavity bottom surface in high face and die cavity, high face is provided with the filter of insertion in the die cavity.Special slag blocking structure and commutation system are set in sprue cup, are no casees for the just bigger new-type flash gate cup of the improvement result of casting quality, in light weight, production is carried one and can be easily accomplished, and production efficiency is high.Beneficial to the pure of sections water is filled, be advantageous to the raising of casting quality.
Description
Technical field
It the utility model is related to flash gate cup.
Background technology
The direct effect of sprue cup is to accept the molten iron in casting ladle, and molten iron is introduced into down gate, avoids molten iron during cast from flying
Spill.Conventional sprue cup keeps molten iron to be full of in cast, and sprue cup has certain pushing off the slag effect.
Suitable for traditional sprue cup of medium casting, special sprue cup sandbox is generally configured, is made by hand using clay-bonded sand
Type is made, and after furan resin-sand occurs, the production method of sprue cup has also continued to use this tradition, to prevent furan resin-sand
It is defeated and dispersed at high temperature, sprue cup is made, the use of iron flask is essential technique, this adds increased production cost, and pours
The transhipment of cup sandbox, reduces production efficiency.However, by test, the sprue cup made of furan resin-sand, if poured
The special fireproof coating of the contact surface brushing of cup and molten iron, the sand bond of sprue cup are effectively kept, and carry the time of molten iron
Not less than 5 minutes, and the duration of pouring of middle-size and small-size ironcasting (being less than 600 kilograms) was generally no greater than 2 minutes, and just often less than 60
Second, therefore from the aspect of the holding row of the high-temperature behavior of furan resin-sand, it is to have no problem to make sprue cup with furan resin-sand
's.Green-sand removable-flask moulding line casting small size casting is a kind of widely used casting production process, uses high-quality (one-level) furan
Furane resins, the room temperature tensile strength of furan resin-sand are typically no less than 1.5MPa, and the baked tensile strength of resin sand is dry type clay-bonded sand
More than 5~10 times, compression strength can reach more than 30~40 times of green-sand intensity, enough for making sprue cup intensity,
Green-sand is analogous to, as long as sprue cup is rational in infrastructure, the resin sand sprue cup of removable-flask moulding is applied to middle-size and small-size ironcasting
Production should also no problem.
The problem of traditional flash gate：
There is special steely sandbox suitable for traditional flash gate cup of medium-sized (600 kilograms) following ironcasting,
Belong to flask molding, need to make special substantial amounts of cast gate sandbox in production, production cost is high；
Traditional flash gate cup is with iron flask outside sand mold, and sprue cup overall weight is big, generally requires by means of machinery
Equipment can carry, and influence production efficiency；
For traditional flash gate sandbox after casting falling sand is unpacked, sandbox needs special messenger to transport, and influences production efficiency, increase
Production cost；
Traditional flash gate cup pushing off the slag is indifferent；The rectified action for molten iron is lacked.Traditional flash gate
Modeling Material used is generally green-sand or dry type clay-bonded sand, for furan resin-sand make flash gate applicability and can
Operability lacks associated specifications.
Utility model content
To solve problem above existing for prior art, the utility model provides a kind of suitable for furane resins sand molding
Flash gate cup, be advantageous to fill the pure of sections water, be advantageous to the raising of casting quality.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
The utility model provides a kind of flash gate cup suitable for furane resins sand molding, including gate body, flashboard,
It is provided with the die cavity for accommodating molten iron in the gate body, the opening of the gate body is provided with flashboard, and the flashboard is by the type
Chamber is divided into two parts, and gap, the bottom of the gate body are provided between the flashboard and the bottom interior surface of the gate body
Portion is provided with step, the die cavity is divided into die cavity into bottom surface in high face and die cavity, high face is provided with the filtering of insertion in the die cavity
Device.
Further, the lower section of the filter is provided with the filter base for Fixed-Filter.Filter played
Filter the effect of waste residue.
Further, the filter is made up of foam ceramic material.
Further, high face is higher 30mm than bottom surface in the die cavity in the die cavity.The same effect of baffle plate is formed at this,
It is engaged with downward flashboard so that the fluctuation above and below being produced during molten iron flow, for the waste residue in stop portions molten iron.
Further, the A/F of the gate body is 380-400mm, and the height of the gate body is 160-
200mm, the thickness of the flashboard is 30-50mm.
Compared with prior art, the utility model has the advantages that：Flash gate cup of the present utility model passes through
Special slag blocking structure and commutation system are set in sprue cup, it is just bigger for the improvement result of casting quality.New-type lock
The sculpting method of door sprue cup is removable-flask moulding, it is not necessary to which special steel sandbox, the frock expense of sandbox can save, and reduce
Production cost.New-type flash gate cup is no case, in light weight, and production is carried one and can be easily accomplished, and production efficiency is high.
Using new-type flash gate, the turnover of sprue cup sandbox is not present in production, organization of production is convenient.New-type flash gate is provided with
Ceramic foam filter, for the slag in molten iron, flashboard " gear " can be both utilized, can utilize filter " filter " again, more have
Beneficial to the pure of sections water is filled, be advantageous to the raising of casting quality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the flash gate cup suitable for furane resins sand molding.
Fig. 2 is a kind of top view of the flash gate cup suitable for furane resins sand molding.
In figure：1- gate bodies；2- filters；3- filter bases；4- flashboards；5- die cavities；High face in 6- die cavities；7- types
Intracavitary bottom surface.
Embodiment
Below in conjunction with the accompanying drawing 1 to 2 in the utility model embodiment, to the technical scheme in the embodiment of the utility model
It is clearly and completely described, it is clear that described embodiment is only the utility model part of the embodiment, rather than entirely
The embodiment in portion.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, belongs to the scope of the utility model protection.
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
The utility model provides a kind of flash gate cup suitable for furane resins sand molding, as shown in Figure 1 to Figure 2, bag
Gate body 1, flashboard 4 are included, is provided with the die cavity 5 for accommodating molten iron in the gate body 1, the opening of the gate body 1 is provided with
Flashboard 4, the die cavity 5 is divided into two parts by the flashboard 4, between the flashboard 4 and the bottom interior surface of the gate body 1
Provided with gap, the bottom of the gate body 1 is provided with step, and the die cavity 5 is divided for bottom surface 7 in high face 6 in die cavity and die cavity,
High face 6 is provided with the filter 2 of insertion in the die cavity.
In the present embodiment, the lower section of the filter 2 is provided with the filter base 3 for Fixed-Filter 2.Filter
2 play a part of filtering waste residue.
In the present embodiment, the filter 2 is made up of foam ceramic material.
In the present embodiment, in the die cavity high face 6 than 7 high 30mm of bottom surface in the die cavity.It is the same that baffle plate is formed at this
Effect, be engaged with downward flashboard 4 so that during molten iron flow produce above and below fluctuation, in stop portions molten iron
Waste residue.
In the present embodiment, the A/F of the gate body 1 is 380-400mm, and the height of the gate body 1 is
160-200mm, the thickness of the flashboard 4 is 30-50mm.
Flash gate cup of the present utility model suitable for furane resins sand molding, sprue cup are manufactured with furan resin-sand,
Cast suitable for poured weights ironcasting below 600 kilograms uses.The main wall thickness of flash gate sand mold is 30mm or so,
Wall thickness is excessively thin, perishable during sand mold use, blocked up, wastes.
The molding sand of manufacture sprue cup is resin amount 0.8%~1.2% with the use condition of furane resins, and curing agent adds
Enter 40%~70% that amount is resin amount, resin quality meets JB/T7526-2008《Casting self-hardening furan resin》Mark
It is accurate.
Flash gate cup sculpting method is removable-flask moulding.Down gate top sets filter net seat, with special foamed ceramics mistake
Filter screen, during molten iron casting, because molten iron continuously flows downward, there is downward pressure for screen pack, and falling when molten iron fills type
Siphonage, although therefore the density of screen pack is smaller than molten iron, can not float typically, can only be pressed in by molten iron in flash gate
In filter net seat.To prevent screen pack from surprisingly floating when in use, before placing screen pack, can be applied in screen pack both sides a little special
With refractory adhesive, then unify suitably to be toasted with coal gas flame gun, you can do screen pack effective fixation.
Use sprue part below flash gate cupHigh temperature resistant protection against erosion earthenware.New-type flash gate makes
With preceding, flash gate cup inner surface and flashboard need to all brush resistant to elevated temperatures special alcohol-base paint, after having brushed coating, utilize coating
Combustibility, by coating point fire drying, coating sintering, you can cast uses.
During cast, by molten iron from the side injection without sprue, sprue cup liquid level is kept to be filled substantially with and do not spill over, due to
The density of slag is much smaller than the density of molten iron, therefore generally, the slag in molten iron always floats over the molten iron of flash gate cup
Inject on the liquid level of side, from the space of flashboard bottom, upset passes through screen pack to the molten iron of relative clean, from the straight of flash gate cup
Running channel enters casting mold die cavity.
Because molten iron is to enter die cavity by the semiclosed gap upset in flashboard bottom, therefore the cast dynamic head of molten iron is relatively steady
It is fixed, influenceed by the height of casting ladle tapping hole smaller, be more beneficial for keeping the stabilization of poring rate, molten iron filling velocity and flowing shape
The comparison of coherence of state is good, is advantageous to the stabilization of casting quality.
Because molten iron is to enter die cavity, the not direct impact filtration net of molten iron and type by the semiclosed gap upset in flashboard bottom
Chamber, sand washing class defect is not likely to produce, is advantageous to the improvement of casting quality.
Sprue cup bottom set screen pack can effectively pushing off the slag, prevent casting from slag inclusion class defect, foamed ceramics mistake occur
Filter has fabulous filtration to molten iron, using 3-D solid structure, by stop catch absorption effectively remove oxide inclusion and
Other nonmetal inclusions, molten iron flow can also be made to become orderly and relatively placidity, reduce or eliminate molten iron turbulent flow phenomenon, reduced
Molten iron volume gas splash phenomena, it is steady to fill type, improves casting quality.
It should be noted that the utility model is a kind of flash gate cup suitable for furane resins sand molding, this practicality
New flash gate cup in sprue cup by setting special slag blocking structure and commutation system, the improvement for casting quality
Effect is just bigger.The sculpting method of new-type flash gate cup is removable-flask moulding, it is not necessary to special steel sandbox, the work of sandbox
Dress expense can save, and reduce production cost.New-type flash gate cup is no case, in light weight, and production carries one
It is easily accomplished, production efficiency is high.Using new-type flash gate, the turnover of sprue cup sandbox, organization of production side are not present in production
Just.New-type flash gate is provided with ceramic foam filter, for the slag in molten iron, can both utilize flashboard " gear ", again may be used
Using filter " filter ", to be more beneficial for filling the pure of sections water, be advantageous to the raising of casting quality.So the utility model
Effectively overcome various shortcoming of the prior art and have high industrial utilization.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. a kind of flash gate cup suitable for furane resins sand molding, it is characterised in that described including gate body, flashboard
The die cavity for accommodating molten iron is provided with gate body, the opening of the gate body is provided with flashboard, and the flashboard divides the die cavity
Into two parts, gap is provided between the bottom interior surface of the flashboard and the gate body, the bottom of the gate body is set
There is step, the die cavity is divided into die cavity bottom surface in high face and die cavity, high face is provided with the filter of insertion in the die cavity.
2. a kind of flash gate cup suitable for furane resins sand molding according to claim 1, it is characterised in that described
The lower section of filter is provided with the filter base for Fixed-Filter.
3. a kind of flash gate cup suitable for furane resins sand molding according to claim 2, it is characterised in that described
Filter is made up of foam ceramic material.
4. a kind of flash gate cup suitable for furane resins sand molding according to claim 3, it is characterised in that described
High face is higher 30mm than bottom surface in the die cavity in die cavity.
5. a kind of flash gate cup suitable for furane resins sand molding according to claim 1, it is characterised in that described
The A/F of gate body is 380-400mm, and the height of the gate body is 160-200mm, and the thickness of the flashboard is
30-50mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218408.1U CN207170864U (en) | 2017-09-21 | 2017-09-21 | A kind of flash gate cup suitable for furane resins sand molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218408.1U CN207170864U (en) | 2017-09-21 | 2017-09-21 | A kind of flash gate cup suitable for furane resins sand molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207170864U true CN207170864U (en) | 2018-04-03 |
Family
ID=61748927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721218408.1U Expired - Fee Related CN207170864U (en) | 2017-09-21 | 2017-09-21 | A kind of flash gate cup suitable for furane resins sand molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207170864U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372274A (en) * | 2018-04-08 | 2018-08-07 | 江苏宏德特种部件股份有限公司 | A kind of injection molding machine wallboard cast bar gate type sprue cup |
| CN108500247A (en) * | 2018-04-08 | 2018-09-07 | 江苏宏德特种部件股份有限公司 | A kind of cast aluminium novel sprue cup and its application |
| CN110421124A (en) * | 2019-09-06 | 2019-11-08 | 大同煤矿集团有限责任公司 | A kind of casting and system of risers casting cast steel bracket |
-
2017
- 2017-09-21 CN CN201721218408.1U patent/CN207170864U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372274A (en) * | 2018-04-08 | 2018-08-07 | 江苏宏德特种部件股份有限公司 | A kind of injection molding machine wallboard cast bar gate type sprue cup |
| CN108500247A (en) * | 2018-04-08 | 2018-09-07 | 江苏宏德特种部件股份有限公司 | A kind of cast aluminium novel sprue cup and its application |
| CN110421124A (en) * | 2019-09-06 | 2019-11-08 | 大同煤矿集团有限责任公司 | A kind of casting and system of risers casting cast steel bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |