CN1030374A - Casting sand recycling device - Google Patents
Casting sand recycling device Download PDFInfo
- Publication number
- CN1030374A CN1030374A CN87106012A CN87106012A CN1030374A CN 1030374 A CN1030374 A CN 1030374A CN 87106012 A CN87106012 A CN 87106012A CN 87106012 A CN87106012 A CN 87106012A CN 1030374 A CN1030374 A CN 1030374A
- Authority
- CN
- China
- Prior art keywords
- casting sand
- sand
- storehouse
- recycling device
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
Abstract
A kind of casting sand recycling device, comprise: be located at casting sand pack into the bucket under the casting sand squeezing passage, the extruder member that embed the casting sand squeezing passage, can push from behind, be located at the grindstone parts of casting sand squeezing passage front, be located at the regenerated foundry sand storehouse above the grindstone parts, the space under the connection casting sand storehouse and the penstock in casting sand storehouse have screening mechanism and are communicated with the penstock bottom and the transfer passage of grindstone parts, are contained in the air blast of penstock bottom.
Description
The present invention relates to a kind of foundry sand reclaim equiment.
Sand through being usually used in casting often forms very big agglomerate because of wherein containing agglomerated material.In order to reclaim this casting sand, at first essential agglomerate with these sand of (for example) crusher in crushing is removed the agglomerated material that is bonded at the sand grain surface after the fragmentation then.Therefore, people have proposed various types of equipment so far, in order to polish the casting sand grain surface of using.
For example, a kind of this kind equipment is arranged in the prior art, it sprays casting sand by an air nozzle, and sand grains is clashed into mutually, thus polishing sand grain surface (Japanese utility model application 50-50808 number).Also have this kind equipment of another kind of same purposes in the prior art, it is packed sand into and has in the device body of rotating vane, makes sand grains by centrifugal force clash mutually (Japanese patent application 57-109540 number).Also have another kind of equipment, it makes the mutual friction of sand grains phase to pack into the container of a rotation of sand, thus the polishing sand grain surface.The equipment of another kind of prior art is to reach same effect by the burning and the things such as resin that adhere to that gasify.In addition, also have a kind of equipment of prior art to remove the impurity that is bonded on the sand grain surface by washing.
But the equipment of the prior art that all are above-mentioned all can only be used for the casting sand of particle less than certain size, and the very casting sand of large crumb that can not be used for above-mentioned formation.Therefore, in order to reclaim the casting sand of using that contains large crumb, must in advance this large crumb be broken into particle less than given size.This fragmentation work in advance is difficult, and is expensive, and it can not carry out whole sand works of treatment continuously.
Therefore, an object of the present invention is to provide a kind of casting sand recycling device that can in dealing with the work continuously, reclaim casting sand effectively.
In order to achieve the above object, casting sand recycling device of the present invention comprises: be arranged on casting sand pack into the bucket below the casting sand squeezing passage, embed the casting sand squeezing passage, the extruder member that can push from behind, be arranged on the grindstone parts of casting sand squeezing passage front, be arranged on the regenerated foundry sand storehouse above the grindstone parts, the space below the connection casting sand storehouse and the penstock in casting sand storehouse, have screening mechanism and be communicated with the penstock bottom and the transfer passage of grindstone parts, be contained in the air blast of penstock bottom.
Therefore, casting sand recycling device of the present invention can carry out fragmentation, conveying, the polishing of casting sand continuously and supply to deposit, and does not need to use other optional equipment, thereby finishes whole works of treatment very effectively in the relatively shorter time.In addition, use this equipment repeatedly, can reclaim (for example, the surface is stained with various resins) casting sand of using of any kind of reliably.
And, use this equipment of the present invention, all work all can be finished in equipment itself, the dust that produces in broken and polishing process all is collected in the dust collection reliably, therefore, eliminate the problem of dust pollution, kept good working environment.Another advantage of equipment of the present invention is that the running of this equipment does not need king-sized power.
With reference to the further feature and the advantage that will be well understood to equipment of the present invention about the explanation of preferred embodiment.
Brief description of drawings:
Fig. 1 is the overall pattern of an embodiment of expression casting sand recycling device of the present invention;
Fig. 2 be the expression be used for Fig. 1 casting sand recycling device dividing plate amplification stereogram;
Fig. 3 is the schematic diagram of the working condition of expression casting sand recycling device of the present invention;
Fig. 4 is the overall pattern of another embodiment of expression casting sand recycling device of the present invention.
The contrast accompanying drawing specifies casting sand recycling device of the present invention below.
Fig. 1 is the overall pattern of a preferred embodiment of expression casting sand recycling device of the present invention.
This casting sand recycling device mainly comprises: casting sand pack into bucket 1, be arranged on extruder member 2, the grindstone parts 3 that are arranged on extruder member 2 fronts and the opening 4 of bucket below 1 and be positioned at regenerated foundry sand storehouse 5 above the grinding stone parts 3.
In this embodiment, extruder member 2 comprises the pressure cylinder mechanism that is used to push the casting sand of packing into, and casting sand is bigger agglomerate.But instead, extruder member 2 also can comprise crank mechanism or similar means.Perhaps, if possible,, also can utilize the weight of the sand of accumulation itself to finish extruding work according to the kind of sand to be processed.In brief, importantly adopt the mechanism of this work of optimum.
Casting sand squeezing passage 6 is arranged at the casting sand of upper end open bucket 1 the bottom of packing into, and extruder member 2 embeds squeezing passages 6.The casting sand that is the agglomerate bulk of packing in the casting sand bucket 1 at first enters casting sand squeezing passage 6, is pushed forward by extruder member 2 then.The sand that is the agglomerate bulk is broken like this and is pushed to the surfaces of revolution of grindstone parts 3, and grindstone parts 3 are driven by the motor 7 that is arranged on casting sand squeezing passage 6 fronts and rotate freely.
The grinding stone of grindstone parts 3 that is used for the present invention is by traditional material such as Al
2O
3, SiC, ZrO
2, formation such as BN.But the grinding stone high density type that preferably void ratio is as far as possible little, in order to avoid the grinding stone particle that may drop forms undesirable impurity.
The casting sand bucket of packing into 1 can comprise screening mechanism.Particularly, can the sieve that have certain sieve aperture be installed in the middle part of bucket 1 depth direction, sieve covers the opening surface of bucket 1, and an end of sieve is equipped with vibrator.This structure is used for promptly sub-electing at this working stage the sand grains that is the agglomerate bulk of specific dimensions, with the efficient of further raising sand processing.
Except that motor one class drive unit, grindstone parts 3 also can be connected to reducing gear or switching mechanism selectively, so that can freely change the rotary speed or the direction of grindstone parts 3.
Below casting sand squeezing passage 6, impurity releasing bin 8 is housed, its opening is positioned at the front of casting sand squeezing passage 6, and like this, iron staff or metal object one class impurity just can be packed in the releasing bin 8, so that remove.In other words, releasing bin 8 is used to not only to prevent that impurity is transported to grindstone parts 3 and damage the surface (S) of parts 3, but also is used to prevent that impurity from mixing with the casting sand of handling (A).Certainly, iron one class impurity also can be removed by the magnet of other setting.
The bottom in regenerated foundry sand storehouse 5 is bottleneck, and its leading edge forms the opening 4 that can freely close.In addition, the carrier pipe 9(that dust collection is housed on the top in regenerated foundry sand storehouse 5 sees Fig. 3).One side in regenerated foundry sand storehouse 5 is equipped with penstock 10, is used for being broken and sending into regenerated foundry sand storehouse 5 by the casting sand grain of grindstone parts 3 polishings.Be provided with air blast 11 below the penstock 10.The bottom of penstock 10 and grindstone parts 3 are interconnected by conveyance conduit 12, and screen part 13 is housed above the transfer passage 12, are used for the casting sand grain that polishes by parts 13 vibrosieves own.
Use said apparatus, under the low pressure effect that has been reduced by dust collection in storehouse 5, casting sand is sent into regenerated foundry sand storehouse 5 reliably and effectively by the air-flow that upwards blows of air blast 11.
When sand was admitted to storehouse 5 by penstock 10, pipe 10 sweep damaged because of the friction of the sand grains carried possibly.For preventing this situation, (for example) can do the angle of sweep as far as possible little, or the inner surface of sweep is carried out suitable liner processing, to improve its wearability.
The partition by demarcation strip 14,14 ' constitute is equipped with at the middle part in regenerated foundry sand storehouse 5,14,14 ' one of demarcation strips overlap on another piece, so that can be free to slide and can laterally move, thereby in storehouse 5, form upper and lower storehouse (a), (a ') by pressure cylinder 16.As shown in Figure 2, dividing plate 14,14 ' on have several through holes 15,15 separately ... 15 ', 15 ' ..., appropriate intervals is left in the hole each other.Hole 15,15 ... with hole 15 ', 15 ' ... normally nonoverlapping each other, but be positioned at regenerated foundry sand storehouse 5 the side can be traversing Pneumatic pressure cylinder 16 lateral movement plates 14,14 ' time, hole 15,15 ... with 15 ', 15 ' ... become overlapped, thereby by these bore portion ground connection Shang Cang and Xia Cang (a), (a ').Open dividing plate 14,14 ' on the shape of these through holes except that the shape shown in Fig. 2, can also be dihedral, ellipse or other shape.
The cross sectional shape in regenerated foundry sand storehouse 5 can be dihedral, circle etc.If the cross section in storehouse 5 is a dihedral, the rotary speed that then is blown to four jiaos the sand grains in storehouse can reduce, greater than the sand grains of preliminary dimension can be along the storehouse 5 wall fall, thereby can prevent to greatest extent that reusable sand grains is inhaled into dust collection.
Specify the casting sand regenerating unit with said structure of the present invention below in actual function of packing into during casting sand.
With reference to Fig. 3, be than the casting sand (A) of agglomerate bulk pack into casting sand pack into the bucket 1.Utilize extruder member 2 by casting sand squeezing passage 6 extruding casting sands (A) then, and push it against rotating grindstone parts 3, with broken and polishing casting sand.In said process, the metallic particles or the iron staff that are bonded on the sand (A) enter impurity releasing bin 8 automatically because of its proportion is different.Then, the casting sand (A) that has become fine granularity is admitted to transfer passage 12 and by sieves 13 screenings that are arranged on above the transfer passage 12.Sand after the screening (A) is sent to the bottom of penstock 10, and the air-flow that is caused by air blast 11 that is arranged on penstock 10 bottoms and dust collection 17 is sent into the last storehouse (a) in regenerated foundry sand storehouse 5 then.In storehouse 5 and since open respectively dividing plate 14,14 ' on through hole 15,15 ' this moment phase non-overlapping copies, casting sand (A) accumulate in gradually dividing plate 14,14 ' on.In said process, when casting sand (A) was admitted to the last storehouse (a) in storehouse 5, dust that casting sand (A) is produced and fine sand grains were removed by dust collection 17.
When casting sand (A) dividing plate 14,14 ' on when being accumulated to some, extruder member 2 stops action, dividing plate 14 ' laterally moved simultaneously makes hole 15,15 ' overlapped, the sand of accumulation (A) falls into down storehouse (a ').Afterwards, sand (A) falls by the opening 4 that is located at 5 bottoms, storehouse, contacts with the surface (S) of grindstone, is pushed to grinding stone and is polished by grinding stone.
According to the kind of handled casting sand (A), said process is repeated suitable number of times, being bonded at impurity on the casting sand (A) will be soon, be removed reliably, thus the casting sand (A) of any kind of of regenerating.
The casting sand (A) of regeneration can be exported in any suitable manner.For example, as shown in Figure 3, can send into reclaimed sand bunker 18 to reclaimed sand by carrier pipe 19 from 5 middle parts, regenerated foundry sand storehouse.
The following describes another preferred embodiment of casting sand recycling device of the present invention.
The foregoing description only adopts an extruder member 2 and grindstone parts 3.As substituting of this scheme, as shown in Figure 4, can adopt a plurality of above-mentioned parts.For example, the casting sand bucket of packing into 1 is moved down a bit, can arrange a pair of extruder member 2,2 up and down ', the former places above the latter.By being arranged on the casting sand that takes out scheduled volumes near the last extruder member 2 of bucket below 1, then by extruder member 2 down ' towards the grindstone parts 3,3 on its opposite ' one of be the sand that parts 3 push these scheduled volumes.Mean speed when should be noted that fragmentation is preferably low, and the mean speed during polishing is preferably higher.
If use two grindstone parts according to the above, can be effectively and pack into continuously and handle the casting sand of scheduled volume in constant mode.In other words, can carry out broken work of casting sand and millwork independently, effectively, the broken sand of the first grindstone parts, the second grindstone parts charge.Like this, can improve the ability to work of this equipment, prolong the life-span of grindstone parts, reduce its maintenance.The direction of rotation and the speed that be also pointed out that two grindstone parts can be selected easily according to casting sand kind to be processed and quantity.
Claims (8)
1, a kind of casting sand recycling device comprises:
Be arranged on pack into casting sand squeezing passage (6) below the bucket (1) of casting sand,
The extruder member (2) that embed casting sand squeezing passage (6), can push from behind,
Be arranged on the grindstone parts (3) of casting sand squeezing passage (6) front,
Be arranged on the regenerated foundry sand storehouse (5) above the grindstone parts (3),
Be communicated with the following space, casting sand storehouse (5) and the penstock (10) of casting sand storehouse (5),
Have screening mechanism and be communicated with penstock (10) bottom and the transfer passage (12) of grindstone parts (3).
Be contained in the air blast (11) of penstock (10) bottom.
2, according to the casting sand recycling device of claim 1, wherein below the casting sand squeezing passage (6) impurity releasing bin (8) is housed, impurity releasing bin (8) has and is located at casting sand squeezing passage (6) front, and can freely discharges the opening of the impurity that contains in the casting sand of packing into.
3, according to the casting sand recycling device of claim 1 or 2, wherein casting sand storehouse (5) comprise the bottom of bottleneck shape, one end of this bottom has the opening (4) that can freely close, the inner space in casting sand storehouse (5) is divided into Shang Cang and Xia Cang, and casting sand storehouse (5) also comprise the partition that freely is communicated with Shang Cang and following storehouse.
4, according to the casting sand recycling device of claim 3, wherein partition is made of transversely movable pressure cylinder (16) that overlaps two dividing plates (14), (14 ') on another piece and be used for one of horizontal moveable partition board slidably.
5, according to the casting sand recycling device of claim 4, wherein have a plurality of through holes (15), (15 ') separately on demarcation strip (14), (14 ').
6, according to any one casting sand recycling device in the claim 1 to 5, two extruder members (2), (2 ') wherein are housed, an extruder member is arranged on above another, top extruder member (2) is used to take out the casting sand (A) of scheduled volume, and following extruder member (2 ') is used for the casting sand (A) to grindstone parts (3) extruding taking-up.
7, according to any one casting sand regenerating unit in the claim 1 to 6, a plurality of grindstone parts (3), (3 ') wherein are housed, at least one grinding stone parts (3) is used for broken casting sand (A), and another grinding stone parts (3) are used to polish broken casting sand (A) at least.
8, according to the casting sand recycling device of claim 7, wherein said a plurality of grindstone parts (3), (3 ') are with mutually different speed drive.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62167367A JP2521765B2 (en) | 1987-07-03 | 1987-07-03 | Foundry sand reclamation equipment |
| JP167367/87 | 1987-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1030374A true CN1030374A (en) | 1989-01-18 |
| CN1008980B CN1008980B (en) | 1990-08-01 |
Family
ID=15848398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87106012A Expired CN1008980B (en) | 1987-07-03 | 1987-08-29 | Casting sand recycling device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2521765B2 (en) |
| KR (1) | KR950014482B1 (en) |
| CN (1) | CN1008980B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862810A (en) * | 2010-06-07 | 2010-10-20 | 安徽省宁国新宁实业有限公司 | Cast used sand and slag recycling equipment |
| CN102240597A (en) * | 2011-05-25 | 2011-11-16 | 大连金河铸造有限公司 | Casting sand magnetic separation device and method |
| CN102896275A (en) * | 2012-07-23 | 2013-01-30 | 机械工业第四设计研究院 | Used sand regeneration mechanism |
| CN107877396A (en) * | 2017-11-16 | 2018-04-06 | 重庆市璧山区川江金属配件厂 | A kind of sand blasting unit of auto parts machinery |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030078983A (en) * | 2002-04-01 | 2003-10-10 | 서진로공업(주) | Regenerative apparatus for casting abolition chemical sand |
| CN101844202B (en) * | 2010-06-02 | 2012-01-25 | 无锡锡南铸造机械有限公司 | Two-stage continuous rubbing sand regenerator |
| CN105170896A (en) * | 2015-09-08 | 2015-12-23 | 宁国市南方耐磨材料有限公司 | Device used for grinding sand |
| CN111283138B (en) * | 2018-12-27 | 2021-01-15 | 李秀英 | Foundry raw sand screening device |
-
1987
- 1987-07-03 JP JP62167367A patent/JP2521765B2/en not_active Expired - Fee Related
- 1987-08-29 CN CN87106012A patent/CN1008980B/en not_active Expired
- 1987-10-06 KR KR1019870011163A patent/KR950014482B1/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862810A (en) * | 2010-06-07 | 2010-10-20 | 安徽省宁国新宁实业有限公司 | Cast used sand and slag recycling equipment |
| CN101862810B (en) * | 2010-06-07 | 2012-11-21 | 安徽省宁国新宁实业有限公司 | Cast used sand and slag recycling equipment |
| CN102240597A (en) * | 2011-05-25 | 2011-11-16 | 大连金河铸造有限公司 | Casting sand magnetic separation device and method |
| CN102896275A (en) * | 2012-07-23 | 2013-01-30 | 机械工业第四设计研究院 | Used sand regeneration mechanism |
| CN102896275B (en) * | 2012-07-23 | 2015-08-19 | 机械工业第四设计研究院 | A kind of regenerating used mechanism |
| CN107877396A (en) * | 2017-11-16 | 2018-04-06 | 重庆市璧山区川江金属配件厂 | A kind of sand blasting unit of auto parts machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521765B2 (en) | 1996-08-07 |
| JPS6411048A (en) | 1989-01-13 |
| KR950014482B1 (en) | 1995-12-02 |
| CN1008980B (en) | 1990-08-01 |
| KR890001662A (en) | 1989-03-28 |
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Legal Events
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |