CN208991708U - A kind of dustless sandbox of dispellable mould casting - Google Patents
A kind of dustless sandbox of dispellable mould casting Download PDFInfo
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- CN208991708U CN208991708U CN201821783062.4U CN201821783062U CN208991708U CN 208991708 U CN208991708 U CN 208991708U CN 201821783062 U CN201821783062 U CN 201821783062U CN 208991708 U CN208991708 U CN 208991708U
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- sandbox
- negative pressure
- spacer
- pressure channel
- dustless
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Abstract
The utility model discloses a kind of dustless sandbox of dispellable mould casting, including sandbox body, multiple spacers are fixedly installed in sandbox body in a crisscross manner, the spacer gives sandbox internal body portion for multiple molds；Negative pressure channel is provided with inside the spacer, each negative pressure channel is connected to the mold of its spacer two sides；The sand bottom of box is provided with the bleeding point being connected to each negative pressure channel.For solving existing sandbox, structure is complicated, pumping efficiency is not high, be easy to cause the technical issues of pollution.
Description
Technical field
The utility model relates to lost foam casting process, and in particular to a kind of dustless sandbox of dispellable mould casting.
Background technique
China is relatively early after the states such as the U.S., Britain, Germany and Japan (nineteen sixty-five) to study and apply full mold evaporative pattern
The country of casting has 43 years history.In the past 10 years, especially nearly 5 years full molds evaporative pattern castings production development is especially rapid,
Achieve very gratifying achievement.According to incompletely statistics, at present the annual output of Chinese full mold disappearance die casting more than 900,000 tons,
Wherein annual output reaches ten thousand tons or more of enterprise 11；The enterprise for being engaged in the production of full mold evaporative pattern is more than 200；With regard to its yield and
Manufacturing enterprise's quantity is the first in the world.From raw and auxiliary material to special equipment, production domesticization and portioned product have been realized substantially
The road of full mold lost foam casting with Chinese characteristics has been walked out in seriation and commercialization.
Sandbox is the important equipment in lost foam casting process, in batch casting process, needs to keep inside sandbox
In vacuum state, vacuumizing performance becomes an important indicator of lost foam casting process, and in the prior art, some passes through in sand
Criss-cross pipeline is set inside case, is directly vacuumized by pipeline, but pipe surface product is limited and needs at least in pipe
At least three layers cladding sand control screens on road, the connection between this Outer Tube are also required to use multiple connectors, and structure is complex, and take out
Vacuum effectiveness is still not ideal enough.Some sandboxs are vacuumized by the way that bleed-off passage realization is arranged on sandbox outer wall, equally exist knot
The problem that structure is complicated and vacuumizing effect is undesirable, the flue gas generated in lost foam casting cannot be absorbed effectively, and dirt is easy to produce
Dye.
Utility model content
The purpose of this utility model is that: a kind of dustless sandbox of dispellable mould casting is provided, sandbox internal structure is carried out
It improves, enhancing vacuumizes performance, is completely drawn out the flue gas generated in lost foam casting, realizes dustless free of contamination disappearance molding
It makes.
The technical solution adopted in the utility model is as follows:
A kind of dustless sandbox of dispellable mould casting, including sandbox body, be fixedly installed in sandbox body in a crisscross manner it is multiple every
Body, the spacer give sandbox internal body portion for multiple molds；It is provided with negative pressure channel inside the spacer, it is each negative
Pressure passageway is connected to the mold of its spacer two sides；The sand bottom of box is provided with the pumping being connected to each negative pressure channel
Port.
Further, the spacer is the groove body of U-shaped structure, and groove body both ends are fixed on the opposite two sidewalls of sandbox body,
Groove body opening is fixedly connected on the solarization bottom of box, forms the negative pressure channel between groove body and the husky bottom of box.
Further, it is provided with the through-hole being connected to mold on the groove body two sidewalls, and is arranged on groove body inner wall
There are the sand control screens for preventing the grains of sand in mold from entering negative pressure channel from through-hole.
Further, it is interconnected between the negative pressure channel of each spacer, the bleeding point is negative with one of spacer
Pressure passageway connection.
Further, the bleeding point is set as more than two, and is connected to respectively from different negative pressure channels.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the negative pressure that spacer is directly configured to allow for vacuum pumping pump pumping by the dustless sandbox of dispellable mould casting described in this programme
Channel not only acts as the effect of separating die chamber, also dramatically simplifies the structure of sandbox；
2. the dustless sandbox of dispellable mould casting described in this programme, since the contact area area of negative pressure channel and the grains of sand is big,
Each chamber at least two sides are connected to negative pressure channel simultaneously, vacuumize the flue gas energy whole high-efficient, lost foam casting generates
Dustless pollution-free casting is realized in extraction.
3. the dustless sandbox of dispellable mould casting described in this programme alleviates sandbox by the special designing to spacer structure
Weight, simplifies pipeline layout, and sandbox sealing performance is high.
4. the dustless sandbox of dispellable mould casting described in this programme, settable different size size, the disappearance for not scale
Die cast can also add vacuum pumping pump quantity according to the actual situation, realize ideal smelly pumping effect.
Detailed description of the invention
Fig. 1 is the top view of the dustless sandbox of the utility model dispellable mould casting；
Fig. 2 is the bottom substance schematic diagram of the dustless sandbox of the utility model dispellable mould casting；
Fig. 3 is the structural schematic diagram of spacer described in the utility model；
Fig. 4 is the cross-sectional view of the dustless sandbox of the utility model dispellable mould casting.
In the figure, it is marked as 1- sandbox body, 2- spacer, 3- mold, 4- bleeding point, 5- through-hole, 6- sand control screens.
Specific embodiment
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
It elaborates with reference to the accompanying drawing to the utility model.
Please refer to figs. 1 to 4, a kind of dustless sandbox of dispellable mould casting, including sandbox body are present embodiments provided
1, it is fixedly installed multiple spacers 2 in a crisscross manner in sandbox body 1, the spacer 2 will be given inside sandbox body 1 as multiple mold cavities
Room 3, specifically when setting, according to production scale and the quantity and size of mold size reasonable layout mold 3, to realize to mould
The batch of tool pours.
Negative pressure channel, mold 3 of each negative pressure channel with its 2 two sides of spacer are provided with inside the spacer 2
Connection；1 bottom of sandbox body is provided with the bleeding point 4 being connected to each negative pressure channel.Vacuum pumping pump passes through joint for sealing connecting
It is connect with bleeding point 4, the function of vacuumizing to mold 3 is realized, since each negative pressure channel is the mould with its 2 two sides of spacer
Have what chamber 3 was connected to, therefore vacuumize high-efficient, the flue gas generated during lost foam casting is thoroughly absorbed.
The spacer 2 is the groove body of U-shaped structure, and groove body both ends are fixed on the opposite two sidewalls of sandbox body 1, groove body opening
It is fixedly connected on the solarization bottom of box, groove body and sandbox body form the negative pressure channel between 1 bottom.When specific setting, the slot
Body can be fixed on inside sandbox by welding, can also be fixed on sandbox bottom by modes such as bolts.When using bolt
When fixed, multiple outwardly extending ears are arranged in groove body opening two sides interval, bolt fastening hole are arranged in ear, accordingly in case
Body bottom is provided with bolt fastening hole.
It is provided with the through-hole 5 being connected to mold 3 on the groove body two sidewalls, and is provided on groove body inner wall and prevents mould
Have the sand control screens 6 that the grains of sand in chamber 3 enter negative pressure channel from through-hole 5.Through-hole 5 is relatively large in diameter, and can mitigate the weight of groove body,
Sand control screens 6 are arranged on groove body inner wall simultaneously prevents the grains of sand from entering in negative pressure channel from through-hole 5, plays buffer action.In this way
Setting, can not only mitigate the weight of groove body, but also dramatically simplify the structure of sandbox, save material consumption.It is described
Sand control screens 6 can be a monolith, directly multiple through-holes 5 on the same inner wall of groove body are isolated, may be set to be than through-hole 5
Area is bigger, and each through-hole 5 is isolated respectively, to save 6 material of sand control screens.Sand control screens 6 are fixed on slot by welding
On internal wall, it can also be that the modes such as other modes, such as setting fastener, latch fitting, bolt are fixed on groove body inner wall certainly.
It is interconnected between the negative pressure channel of each spacer 2, the negative pressure channel of the bleeding point 4 and one of spacer 2
Connection, can be achieved with vacuumizing by a vacuum pumping pump, due to being interconnected between the negative pressure channel of each spacer 2, and every
2 through-hole 5 of body and the contact area of the grains of sand are big, vacuumize high-efficient.
The bleeding point 4 is set as more than two, and is connected to respectively from different negative pressure channels.Such case is mainly used for
It when sandbox specification is larger, is evacuated simultaneously by multiple vacuum pumping pumps, raising vacuumizes efficiency, to carry out large batch of disappearance molding
It makes.
A kind of dustless sandbox of dispellable mould casting described in this programme, structure is simple, easy to operate, alleviates sandbox weight,
Contact area is big between negative pressure channel and the grains of sand, and pumping efficiency is high, and pipeline layout is few, good seal performance.
The above are the main feature of this programme and its advantages, It should be understood by those skilled in the art that this programme is not
It is restricted to the described embodiments, the above embodiments and description only describe the principles of this programme, are not departing from this
Under the premise of scheme spirit and scope, this programme be will also have various changes and improvements, these changes and improvements both fall within requirement and protect
In the scope of the invention of shield, this programme is claimed range and is defined by the appending claims and its equivalent thereof.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediate media
It connects connected, can be the connection inside two elements.It for the ordinary skill in the art, can be as the case may be
Understand the concrete meaning of above-mentioned term in the present invention.
Claims (5)
1. a kind of dustless sandbox of dispellable mould casting, including sandbox body (1), it is fixedly installed in a crisscross manner in sandbox body (1) more
A spacer (2), the spacer (2) will be given inside sandbox body (1) as multiple molds (3)；It is characterized by: the spacer
(2) internal to be provided with negative pressure channel, each negative pressure channel is connected to the mold (3) of its spacer (2) two sides；The sand
Cabinet (1) bottom is provided with the bleeding point (4) being connected to each negative pressure channel.
2. the dustless sandbox of dispellable mould casting according to claim 1, it is characterised in that: the spacer (2) is U-shaped structure
Groove body, groove body both ends are fixed on the opposite two sidewalls of sandbox body (1), and groove body opening side is fixed on the solarization bottom of box, groove body
The negative pressure channel is formed between sandbox body (1) bottom.
3. the dustless sandbox of dispellable mould casting according to claim 2, it is characterised in that: be arranged on the groove body two sidewalls
There is the through-hole (5) being connected to mold (3), and being provided on groove body inner wall prevents in mold (3) grains of sand from through-hole (5)
Into the sand control screens (6) of negative pressure channel.
4. according to claim 1 to the dustless sandbox of dispellable mould casting described in 3 any one, it is characterised in that: each spacer (2)
Negative pressure channel between be interconnected, the bleeding point (4) is connected to the negative pressure channel of one of spacer (2).
5. the dustless sandbox of dispellable mould casting according to claim 4, it is characterised in that: the bleeding point (4) is set as two
More than a, and it is connected to respectively from different negative pressure channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821783062.4U CN208991708U (en) | 2018-10-31 | 2018-10-31 | A kind of dustless sandbox of dispellable mould casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821783062.4U CN208991708U (en) | 2018-10-31 | 2018-10-31 | A kind of dustless sandbox of dispellable mould casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208991708U true CN208991708U (en) | 2019-06-18 |
Family
ID=66805124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821783062.4U Expired - Fee Related CN208991708U (en) | 2018-10-31 | 2018-10-31 | A kind of dustless sandbox of dispellable mould casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208991708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770315A (en) * | 2021-07-23 | 2021-12-10 | 新泰市鑫晟铸造有限公司 | Sand leakage prevention device for sand box in V-process casting |
-
2018
- 2018-10-31 CN CN201821783062.4U patent/CN208991708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770315A (en) * | 2021-07-23 | 2021-12-10 | 新泰市鑫晟铸造有限公司 | Sand leakage prevention device for sand box in V-process casting |
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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 |
Granted publication date: 20190618 Termination date: 20201031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |