CN102413960A - Lump crushing device and conditioned sand supplying system - Google Patents
Lump crushing device and conditioned sand supplying system Download PDFInfo
- Publication number
- CN102413960A CN102413960A CN2010800185559A CN201080018555A CN102413960A CN 102413960 A CN102413960 A CN 102413960A CN 2010800185559 A CN2010800185559 A CN 2010800185559A CN 201080018555 A CN201080018555 A CN 201080018555A CN 102413960 A CN102413960 A CN 102413960A
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- Prior art keywords
- rod
- smash
- sand
- caking
- breaking means
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- 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
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
-
- 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
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
-
- 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
- B22C5/18—Plants for preparing mould materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
- Crushing And Pulverization Processes (AREA)
- Crushing And Grinding (AREA)
Abstract
Provided is a lump crushing device which has a small height, requires a little extra height for mounting, and allows a molding machine, such as an aeration type machine, to work at maximum performance. Also, the height of the lump crushing device is reduced to make the device space saving. Also provided is a conditioned sand supplying system which can be easily maintained. A lump crushing device provided with: a first crushing bar supported at the opposite ends thereof and having blades extended in the radial direction of the rotating shaft; and a second crushing bar supported parallel to the first crushing bar on a horizontal plane at a spacing from the first crushing bar and having a rotating shaft rotating in the direction opposite to that of the first crushing bar, wherein the lump crushing device is configured in such a manner that, when sand to be conditioned is supplied from above between the first crushing bar and the second crushing bar, the lump crushing device sifts the sand and crushes lumps by causing the sand to move from above to below. A conditioned sand supplying system is configured in such a manner that the crushing bars are supported on a carriage frame and that motors for rotating the crushing bars are provided on the carriage.
Description
Technical field
The present invention relates to the breaking means that lumps.More detailed; The present invention relates in casting factory; When carrying by mixer or the adjusted tempering sand of puddle mixer, and when it is put into the sand receiving port on top of greensand mo(u)lding machine, smash the device of the contained caking of this tempering sand with transports such as conveyer belts.The present invention relates to use the feed system of the tempering sand of this caking breaking means in addition.
Background technology
In the past, in casting factory, the tempering sand that the damp sand that is used for making molds is adjusted was under pressure when being stirred, and causing sand grains to adhere each other and produce and mix has caking.For the caking of smashing this stirring sand forming the sand that better moulding is used, known have a caking breaking means (for example, with reference to japanese kokai publication hei 9-52142 communique).
In the caking breaking means that japanese kokai publication hei 9-52142 communique is put down in writing; The a plurality of inboard pin that vertically implant to be provided with is configured to concentric circles with a plurality of outside pin, utilizes gap between itself and the outside steady pin to smash the caking of the tempering sand that wets through making inboard pin rotation.This caking breaking means very proves effective for the adjustment of the sand that moulding is used.
Yet this caking breaking means needs height of devices and the height that is used to be provided with, and when this device imports sand, the conveyer belt of establishing that existence need will be disposed at the top of greensand mo(u)lding machine increases the situation about 1 meter.Therefore, even need be transformed into the house, thereby causing abandoning imports sand in the caking breaking means.And then, even if do not needing under the technical modification, also can quite take trouble aspect safeguarding because of working space is narrow and small.
On the other hand; Use in low inflation (aeration) formula etc. under the situation of moulding machine of air; Can utilize air stream tempering sand to be filled into equably the mould space of casting mold space, especially narrow and small shrinkage pool etc.; But in order to improve and to keep its mouldability, more preferably will not exist the tempering sand of caking to supply with to moulding machine, the breaking means that therefore lumps seems particularly important.
Summary of the invention
Therefore, In view of the foregoing, the height that the object of the present invention is to provide a kind of apparatus is low and improve the caking breaking means of performance that low inflation formula etc. is used the moulding machine of air with the height that is used to be provided with.
And then, the present invention also aims to provide a kind of height that can realize equipment low and space-saving and safeguard the feed system that is easy to tempering sand.
Caking breaking means of the present invention; It is characterized in that; Above-mentioned caking breaking means possesses: first smashes rod, this first smash rod be both ends be supported smash rod, and this first is smashed the radial direction that rod has towards rotating shaft and extends a plurality of blades that are provided with; And second smash rod; This second smash the rod with on horizontal plane with this smash the rod abreast the mode of devices spaced apart be supported; And has the rotating shaft that court and first smashes excellent rightabout rotation; When smashing rod and above-mentioned second and smash between the rod supply tempering sand towards above-mentioned first, from top to bottom this tempering sand is carried out combing and smash caking from the top.
The feed system of tempering sand of the present invention, it uses above-mentioned caking breaking means, and the feed system of this tempering sand is characterised in that, the above-mentioned rod of smashing is supported on the chassis framework, and chassis is provided with and makes the above-mentioned motor that rod rotates of smashing.
According to the present invention, play following effect: can reduce the height of device height and setting and cut down equipment investment cost, and can improve performance of moulding machines such as low inflation formula etc.
In addition, according to the present invention, can play the effect of the conserve spaceization of the feed system of realizing tempering sand and the facilitation of maintenance etc.
The application is based on the 2009-118258 number application of submitting in Japan on May 15th, 2009 of the special hope of Japan, and with the content of its content as the application, forms a teachings herein part.
And, can more fully understand the present invention through the detailed description of this specification.But detailed explanation and certain embodiments only are preferred implementations of the present invention, only describe for purposes of illustration and in addition.For a person skilled in the art, can carry out various changes and change from this detailed explanation certainly.
The applicant is not intended in the embodiment of being put down in writing any offered to the public; In disclosed change, replacement scheme, the change and the replacement scheme that on language, possibly not be included in the scope of claims also are a part of the present invention under the theory of identity.
In the record of this specification or claims, for the use of noun and same deictic word, as long as not special instructions, or as long as based on context clearly negate, then should be interpreted as comprise odd number and plural number both.The use of any example that provides in this manual or exemplary term (for example " etc. ") only from explanation the intent of the present invention easily, as long as be not documented in especially in claims, does not just apply restriction to scope of the present invention yet.
Description of drawings
Fig. 1 is that the master of the configuration of expression caking breaking means of the present invention looks the biopsy cavity marker devices synoptic diagram.
Fig. 2 is the side-looking biopsy cavity marker devices synoptic diagram of the configuration of expression caking breaking means of the present invention.
Fig. 3 is that the master that the maintenance state to caking breaking means of the present invention describes looks synoptic diagram.
Fig. 4 be caking breaking means of the present invention main body overlook synoptic diagram.
Fig. 5 is that the master of the main body of caking breaking means of the present invention looks synoptic diagram.
Fig. 6 is that the A-A of Fig. 5 is to looking sectional view.
Among Fig. 7, be that the B-B of Fig. 5 is to looking sectional view (a).(b) be the left surface sectional view of (a).
Fig. 8 is that the C-C of Fig. 5 is to view.
The specific embodiment
Below, based on accompanying drawing the related caking breaking means of an embodiment of the invention is described.
Fig. 1, Fig. 2 are the synoptic diagrams of the configuration of expression caking breaking means of the present invention.Situation when running well is shown.Fig. 3 illustrates maintenance state.In addition, Fig. 4 is the top cross-sectional view of the main body of caking breaking means.Wherein, at F of pillar shown in Fig. 1 and beam H.
In Fig. 1～Fig. 4, caking breaking means 1 possesses first and smashes excellent B1; Second smashes excellent B2, this second smash excellent B2 with on horizontal plane with this smash excellent B1 abreast the mode of devices spaced apart be supported, and have the rotating shaft 3-2 that court and first smashes the rotation of excellent B1 rightabout.
The both ends of in addition, respectively smashing excellent B1, B2 for example are supported in chassis framework 8.And, respectively smash excellent B1, B2 and have at the Zhou Fangxiang of rotating shaft 3-1,3-2 and equally spaced a plurality of blade 2-1, the 2-2 (also 2-1,2-2 being referred to as 2 sometimes) of configuration axially.Wherein, be not must with a plurality of blade 2-1,2-2 equally spaced be disposed at the Zhou Fangxiang of rotating shaft 3-1,3-2 and axially on, can also suit, be configured at interval arbitrarily.At this, chute (chute) Sh is provided with its upper opening below the end of the conveyer of carrying tempering sand, and this opening has frame shape portion, and is connected with the chassis framework.In addition, chute Sh narrows down from top to the lower width, and its foot can be communicated with the sand hopper on the top of moulding machine.That is, outward appearance is a rectangle, trapezoidal or seem the shape (with reference to Fig. 8) that is rectangle.Wherein, chute is not so long as the structure of tempering sand not being trickled down outside gets final product, and its structure is arbitrarily.
At this, the implantation that blade 2 can be through the cutting out of sheet material, pole, hex bolts etc. is made into, and blade 2 extends towards the radial direction of rotating shaft 3 and is provided with.
In addition, as shown in Figure 4, caking breaking means 1 constitutes, above-mentioned second smash excellent B2 blade 2-2 enter into first and smash the blade 2-1 of excellent B1, the gap 4 between the 2-1, combing tempering sand S is to smash caking from top to bottom.
At this, blade 2 respectively is 13mm with the gap of the width of blade 2, and the beeline between rotating shaft 3 and the blade 2 is 73mm.In this position relation, constitute length and rotating shaft 3 distance to each other through the blade 2 of adjusting each rotating shaft 3, can smash the above caking of 6mm.In addition, blade 2 every mistake 120 degree promptly change angle ground by installation successively.
Through this structure, can utilize combing or shearing, cutting action to smash tempering sand efficiently.
At this, as shown in Figure 5, first smashes excellent B1 and second smashes excellent B2 and possesses the rotating shaft 3-1 that makes separately and the 3-2 motor 5,5 of rotation individually respectively.And rotating shaft 3 links through V- belt 14 and 14 with motor 5.
Wherein, why using two motors 5 and 5 is for rotating shaft is rotated separately and independently respectively.
And then, smash excellent B1 and second and smash excellent B2 and control with the identical or different mode of rotating speed of separately rotating shaft 3,3 respectively in order to make first, be provided with the independent converter of not shown difference.
At this, can control rotating speed respectively, making wins smashes that circumferential speed that excellent B1 and second smashes the blade 2 of excellent B2 equates with the free-falling speed of tempering sand S or than faster.
Like this, when smashing circumferential speed that excellent B1 and second smashes the blade 2 of excellent B2 and control, can smash caking effectively, obtain decomposing the effect of caking first.
In addition, in Fig. 1, Fig. 2, the direction of passage of tempering sand S illustrates with arrow 6.In addition, chassis 11 is divided through chassis framework 8 and is formed profile.And chassis 11 has the roller that is arranged at chassis framework 8 four positions, and this roller constitutes and can on the guide rail of the part of the beam that is arranged at the house, move.Wherein, if the breaking means 1 that will lump constitutes can move, then its structure is arbitrarily.Be not necessarily to need guide rail, get final product that its structure is any so long as be equal to alternative parts.In addition, the retainer that can fix being provided with when safeguarding.
Fig. 2 is the side cross-sectional configuration synoptic diagram of caking breaking means 1 of the present invention.With reference to Fig. 4 and Fig. 6, Fig. 7, be provided with and be used to detect first and smash the detecting unit 7 that skids that skids that excellent B1 and second smashes the rotating shaft 3 of excellent B2.The detecting unit 7 that skids is counted through the target 10 that is installed on rotating shaft 3 with 9 pairs of non-contact switch, when the counting of non-contact switch 9 significantly reduces, can detect and skid.Wherein, the plate that is configured to L word shape of target 10 come the approaching of target 10 counted by the non-contact switch that is arranged at chassis framework 89, but its structure arbitrarily.As long as can detect the rotating speed of rotating shaft 3.
In addition, carry out the welding of high-abrasive material or the spraying plating of ceramic material, can prolong the life-span of smashing rod through smashing the blade 2 that excellent B1 and second smashes excellent B2 to first.
In addition; When running well, as shown in Figure 1, though caking breaking means 1 be configured in tempering sand feeding device 12 under; But when safeguarding; As shown in Figure 3, can make be in tempering sand feeding device 12 under caking breaking means 1 move towards accompanying drawing left side with chassis 11, be drawn out to the outside of tempering sand feeding device 12.
And then the top of moulding machine 13 has elevating function.This elevating function is meant that the sand feeding device of moulding machine 13 is flexible for freely by not shown cylinder support, can utilize this cylinder performance elevating function, when safeguarding, can moulding machine 13 be separated from caking breaking means 1 downwards.
As stated, constitute caking breaking means 1.
Below, the action of this device is described.In Fig. 1, make the action of caking breaking means 1, then,, from top to bottom tempering sand S is carried out combing and smashes caking when tempering sand S is supplied to first when smashing excellent B1 and second and smashing between the excellent B2 via tempering sand feeding device 12 from the top.That is, first smashes excellent B1 around turning clockwise, and second smashes excellent B2 around being rotated counterclockwise.
Effect to caking is smashed is verified, draws before importing caking breaking means 1 of the present invention, and average caking containing ratio is 6.78% on tempering sand feeding device 12.And after importing, on the sand hopper of moulding machine 13 in the downstream that are positioned at caking breaking means 1, the containing ratio that on average lumps is 3.18%.As a result, the caking containing ratio descends 3.60%.
In this checking, " caking " is meant the sand lump that 6mm is above.
In addition, in this checking, " caking " measured according to following mode.That is, the sand sieve of choosing at each measurement point is selected 10 times, again the sand weight on the sieve is measured, calculate sand weight on the sieve with respect to the ratio of selected sand weight, the i.e. containing ratio of caking with the sieve of mesh 6mm.
The performance of the moulding machine of low inflation formula can be improved thus, uniform moulding casting mold can be guaranteed.
In addition, according to the detection of skidding of following mode.Situation too much at the tempering sand that drops into to caking breaking means 1 or a large amount of cakings of generation is inferior, has the situation of the disposal ability that exceeds the breaking means that lumps.
At this moment, count, when the counting of non-contact switch 9 significantly reduces, can detect and skid through the target 10 that is installed on rotating shaft 3 with 9 pairs of non-contact switch.The input of at this moment, carrying out abnormal show or ending tempering sand.
Below, maintenance is described.In Fig. 1～Fig. 4; Caking breaking means 1 possesses first and smashes excellent B1 and second and smash excellent B2; First smash excellent B1 be both ends be supported smash rod; It has and extends a plurality of blades 2, the second that are provided with towards the radial direction of rotating shaft 3 and smash excellent B2 on horizontal plane, being supported with smashing the mode that excellent B1 separates the gap abreast, and has the rotating shaft 3 that court and first smashes excellent B1 rightabout rotation.And the sand feed system is to use the sand feed system of this caking breaking means 1, with above-mentionedly smash excellent B1, B2 is supported on chassis framework 8, and chassis 11 is provided with and makes the above-mentioned motor 5 of smashing excellent B1, B2 rotation.Under this state, form running normally.In addition, when will smash excellent B1, B2 is supported under the situation of chassis framework 8, both can directly support, also can support by miscellaneous part.With smashing the situation that excellent B1, B2 be supported on chassis framework 8 also can be any situation that comprises the situation that is supported on chute Sh.
At this, situation about needs being safeguarded based on Fig. 3 describes.In Fig. 3, make be in tempering sand feeding device 12 under caking breaking means 1 move towards accompanying drawing left side with chassis 11, be drawn out to the outside of tempering sand feeding device 12.Can easily smash the replacing of excellent B1, B2 thus.In addition, use portable crane K etc. as required, can alleviate strenuous activity (use most of muscle of whole healths such as trick, greatly consume the work of the energy of health).
That is, can be in the running tempering sand feeding device 12 under caking breaking means 1, when safeguarding, be drawn out to the outside of tempering sand feeding device 12, therefore the feed system of tempering sand of the present invention is safeguarded easily.Although be preferably the opposite outside that is drawn out to tempering sand feeding device 12, also other directions.
And then, have at moulding machine 13 under the situation of elevating function, when mobile trolley used 11 the time, can easily avoid and be arranged at the buffering between the chute Sh of bottom of caking breaking means 1, therefore safeguard to become more easy.
In addition, have at mixer under the situation of edge mill (mulling wheel), be easy to generate bigger caking, therefore can especially improve mouldability.In addition, has under the situation of agitator (agitator) effect that generation can be removed little caking and the caking that in the handling process of tempering sand, forms at puddle mixer.
As stated, caking breaking means 1 of the present invention plays following effect: can reduce the height of device height and setting and cut down equipment investment cost, and can improve performance of moulding machines such as low inflation formula etc.
And then the feed system of tempering sand of the present invention plays the effect of the facilitation that can realize conserve spaceization and maintenance etc.
In addition; The present invention is not limited to preferred embodiment specific; In the technical scope that claims are put down in writing; The knowledge that can understand thoroughly by one of skill in the art realizes multiple application, and therefore the decomposition of the heat affecting after for example can being applied to cast and the casting tempering sand that hardens etc. are not limited to tempering sand and use.
Claims (11)
1. a caking breaking means is characterized in that,
Said caking breaking means possesses:
First smashes rod, this first smash rod be both ends be supported smash rod, and this first is smashed the radial direction that rod has towards rotating shaft and extends a plurality of blades that are provided with; And
Second smashes rod, this second smash rod with on horizontal plane with this smash rod abreast the mode of devices spaced apart be supported, and have the rotating shaft that court and first smashes the rotation of excellent rightabout,
When smashing rod and said second and smash between the rod supply tempering sand towards said first, from top to bottom this tempering sand is carried out combing and smash caking from the top.
2. caking breaking means according to claim 1 is characterized in that,
Said second smash the rod blade enter into said first smash the rod blade between the gap, from top to bottom this tempering sand is carried out combing and smashes caking.
3. caking breaking means according to claim 1 and 2 is characterized in that,
Said first smashes rod and said second smashes rod and possesses the motor that the rotating shaft that makes them rotates respectively individually.
4. caking breaking means according to claim 3 is characterized in that,
For with different rotating speed to said first smash rod rotating shaft and said second rotating shaft of smashing rod control and be respectively arranged with independently converter.
5. caking breaking means according to claim 4 is characterized in that,
Control said first respectively and smash the rotating speed of rotating shaft that rod and said second is smashed rod, make said first to smash that rod and said second smashes that the circumferential speed of excellent blade equates with the free-falling speed of tempering sand or faster than the free-falling speed of this tempering sand.
6. according to claim 1,2,4 or 5 described caking breaking means, it is characterized in that,
Said caking breaking means is provided with the detecting unit that skids, and this detecting unit that skids is used to detect said first and smashes rod and said second and smash skidding of excellent rotating shaft.
7. according to claim 1,2,4 or 5 described caking breaking means, it is characterized in that,
Smash rod and said second to said first and smash the welding of excellent blade enforcement high-abrasive material or the spraying plating of ceramic material.
8. the feed system of a tempering sand, it uses claim 1 or 2 described caking breaking means, and the feed system of this tempering sand is characterised in that,
The said rod of smashing is supported on the chassis framework, and this chassis is provided with and makes the said motor of smashing rod rotation.
9. the feed system of tempering sand according to claim 8 is characterized in that,
Moulding machine has elevating function.
10. the feed system of tempering sand according to claim 9 is characterized in that,
Mixer has edge mill.
11. the feed system of tempering sand according to claim 9 is characterized in that,
Puddle mixer has agitator.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-118258 | 2009-05-15 | ||
| JP2009118258 | 2009-05-15 | ||
| PCT/JP2010/056668 WO2010131544A1 (en) | 2009-05-15 | 2010-04-14 | Lump crushing device and conditioned sand supplying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102413960A true CN102413960A (en) | 2012-04-11 |
| CN102413960B CN102413960B (en) | 2015-02-04 |
Family
ID=43084921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080018555.9A Active CN102413960B (en) | 2009-05-15 | 2010-04-14 | Lump crushing device and conditioned sand supplying system |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2431110B1 (en) |
| JP (1) | JP5553069B2 (en) |
| CN (1) | CN102413960B (en) |
| WO (1) | WO2010131544A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300057A (en) * | 2023-11-28 | 2023-12-29 | 康硕(山西)智能制造有限公司 | Equipment for filling sand box during precision casting |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093066B (en) * | 2018-08-20 | 2023-09-22 | 黟县新达机械铸造有限公司 | Small-size sand mixer for casting convenient to adjust ejection of compact flow |
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| JPS49127417U (en) * | 1973-03-01 | 1974-10-31 | ||
| JPS6094344U (en) * | 1983-11-30 | 1985-06-27 | 日野自動車株式会社 | Crushing device for sand blocks for casting |
| JPS6325148U (en) * | 1986-07-30 | 1988-02-19 | ||
| JPH04125045U (en) * | 1991-04-22 | 1992-11-13 | 新東工業株式会社 | Foundry sand measuring hopper device |
| JPH0913177A (en) * | 1995-06-29 | 1997-01-14 | Tokushu Denkyoku Kk | Cermet build-up metallic parts by welding and production thereof |
| US5791571A (en) * | 1995-08-11 | 1998-08-11 | Sintokogio, Ltd. | Cast sand aeration apparatus |
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| US1413345A (en) * | 1921-06-04 | 1922-04-18 | Morris Automatic Scale Company | Agitating feeder |
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| JPS541933Y2 (en) * | 1975-07-07 | 1979-01-27 | ||
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| US4560281A (en) * | 1984-04-16 | 1985-12-24 | Foundry Automation, Inc. | Foundry apparatus for mixing sand with binder |
| JP2926248B2 (en) * | 1990-01-23 | 1999-07-28 | 株式会社五十鈴製作所 | Core setter |
| JP2535079Y2 (en) * | 1991-03-29 | 1997-05-07 | 新東工業株式会社 | Foundry sand supply device |
| JPH0683138U (en) * | 1993-05-07 | 1994-11-29 | 新東工業株式会社 | Foundry sand feeder |
| AU3957295A (en) * | 1994-10-19 | 1996-05-15 | Brunswick Industrial Inc. | Aerator assembly for vertical filling of molding machines |
| JPH08300096A (en) * | 1995-05-01 | 1996-11-19 | Toyota Motor Corp | Molding sand mixing equipment |
| US5924637A (en) * | 1997-04-16 | 1999-07-20 | Niederholtmeyer; Werner | Oversize tire and rubber debris shredder |
| JPH11239936A (en) * | 1998-02-23 | 1999-09-07 | Toyoda Mach Works Ltd | Machine tool having pressure supply/discharge device |
| JP2002143984A (en) * | 2000-11-13 | 2002-05-21 | Sintokogio Ltd | Device for crushing sand lump |
| JP2009118258A (en) | 2007-11-07 | 2009-05-28 | Toshiba Corp | Voltage-current conversion circuit |
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2010
- 2010-04-14 EP EP10774802.2A patent/EP2431110B1/en active Active
- 2010-04-14 WO PCT/JP2010/056668 patent/WO2010131544A1/en active Application Filing
- 2010-04-14 JP JP2011513292A patent/JP5553069B2/en active Active
- 2010-04-14 CN CN201080018555.9A patent/CN102413960B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49127417U (en) * | 1973-03-01 | 1974-10-31 | ||
| JPS6094344U (en) * | 1983-11-30 | 1985-06-27 | 日野自動車株式会社 | Crushing device for sand blocks for casting |
| JPS6325148U (en) * | 1986-07-30 | 1988-02-19 | ||
| JPH04125045U (en) * | 1991-04-22 | 1992-11-13 | 新東工業株式会社 | Foundry sand measuring hopper device |
| JPH0913177A (en) * | 1995-06-29 | 1997-01-14 | Tokushu Denkyoku Kk | Cermet build-up metallic parts by welding and production thereof |
| US5791571A (en) * | 1995-08-11 | 1998-08-11 | Sintokogio, Ltd. | Cast sand aeration apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300057A (en) * | 2023-11-28 | 2023-12-29 | 康硕(山西)智能制造有限公司 | Equipment for filling sand box during precision casting |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2431110A1 (en) | 2012-03-21 |
| JP5553069B2 (en) | 2014-07-16 |
| EP2431110A4 (en) | 2018-02-21 |
| WO2010131544A1 (en) | 2010-11-18 |
| CN102413960B (en) | 2015-02-04 |
| JPWO2010131544A1 (en) | 2012-11-01 |
| EP2431110B1 (en) | 2019-11-13 |
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