CN106735124A - A kind of investment cast cleaning equipment - Google Patents
A kind of investment cast cleaning equipment Download PDFInfo
- Publication number
- CN106735124A CN106735124A CN201710043367.5A CN201710043367A CN106735124A CN 106735124 A CN106735124 A CN 106735124A CN 201710043367 A CN201710043367 A CN 201710043367A CN 106735124 A CN106735124 A CN 106735124A
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- China
- Prior art keywords
- high pressure
- sand
- pressure water
- basket
- casting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
A kind of investment cast cleaning equipment includes residual sand wiper mechanism, and the residual sand wiper mechanism includes storage room, sand pump, macropore filter screen, aperture filter screen, purge chamber, rotation basket, rotation basket motor, lowering or hoisting gear one, high pressure water jets sand nozzle one, high pressure water transport pipe, sediment transport pipe, rotation dish, rotation coil motor, lowering or hoisting gear two, high pressure water jets sand nozzle two；Storage room includes bottom wall, silt particle room, sewage chamber；Silt particle room includes the side wall of all round closure extended upward from bottom wall, and side wall is fixedly connected on bottom wall top；Sewage chamber is upwardly extended from bottom wall and formed, and the top of sewage chamber offers an apopore；The bottom of the side wall between silt particle room and sewage chamber offers a perforate；Position of the position of perforate less than apopore；Sand pump is arranged on the middle bottom of silt particle room.The present invention it is non-toxic, pollution-free, without dust, without strong noise, and do not damage again casting investment-casting cleaning cabinet.
Description
Technical field
Cast(ing) surface the present invention relates to model casting remains the cleaning equipment of casting sand, it is adaptable to the surface of investment-casting
Remain the removing of casting sand.
Background technology
The main sweep-out method of existing investment-casting remained on surface casting sand is：
First method：The investment-casting that residual sand will be left is immersed under the hydrofluoric acid of high concentration, mixed strong acids or molten condition
Highly basic in, removed or loosened using chemical reaction.
Second method：Residual sand will be left or residual sand is placed in shot-blasting machine or spray through the investment-casting that first method has loosened
In sand machine, to allow and impact the investment-casting with high speed, the small shot of kinetic energy or abrasive material, and the residual casting sand on its surface is clear
Remove.
But there is many drawbacks in above two method.
First method can produce a large amount of poisonous industrial waste gases and waste water, severe contamination be caused to environment, and endanger work
Person health, has Corrosion Potential to casting.
Second method is also easy to produce the noise and a large amount of dust of high-decibel, workman's body is damaged, to surrounding environment
Pollution is produced, also declines the precision of casting.
The content of the invention
The technical problem to be solved in the invention is：The drawbacks of existing for prior art, there is provided it is a kind of it is easy to operate,
Simple structure, nontoxicity, it is pollution-free, without dust, without strong noise, and do not damage again casting investment-casting cleaning cabinet.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：A kind of investment cast cleaning equipment bag
Residual sand wiper mechanism is included, the residual sand wiper mechanism includes storage room (12), sand pump (14), macropore filter screen (16), aperture filter screen
(18), purge chamber (22), rotation basket (24), rotation basket motor (26), lowering or hoisting gear one (32), high pressure water jets sand nozzle one
(34), high pressure water transport pipe (36), sediment transport pipe (38), rotation dish（42）, rotate coil motor（44）, lowering or hoisting gear two（46）, high pressure
Water sandblasting shower nozzle two（48）；
Storage room (12) includes bottom wall (122), silt particle room (124), sewage chamber (126)；
Silt particle room (124) includes the side wall (1242) of all round closure extended upward from bottom wall (122), side wall
(1242) it is fixedly connected on bottom wall (122) top；
Sewage chamber (126) is upwardly extended from bottom wall (122) and formed, and the top of sewage chamber (126) offers an apopore
(1262)；
The bottom of the side wall (1242) between silt particle room (124) and sewage chamber (126) offers a perforate (128)；
Position of the position of perforate (128) less than apopore (1262)；
Middle bottom of the sand pump (14) installed in silt particle room (124)；
Macropore filter screen (16) is interior installed in silt particle room (124), positioned at the top of sand pump (14)；
Aperture filter screen (18) is interior installed in silt particle room (124), positioned at the lower section of sand pump (14)；
Position of the position of aperture filter screen (18) higher than perforate (128)；
Purge chamber (22) is fixed on silt particle room (124) top of storage room (12)；
Rotate basket (24) and hold basket (242) including a casting, casting holds basket (242) and is rotatably installed in purge chamber (22)；
Casting appearance basket (242) offers an investment-casting and is put into mouth (2422)；
Rotate basket motor (26) outside installed in purge chamber (22), rotate basket motor (26) and drive casting to hold basket (242) rotation；
Top of the lowering or hoisting gear one (32) installed in purge chamber (22)；
On lowering or hoisting gear one (32), the alignment of high pressure water jets sand nozzle one (34) rotates basket to high pressure water jets sand nozzle one (34)
(24) investment-casting is put into mouth (2422).
High pressure water transport pipe (36) connection high pressure water jets sand nozzle one (34)；
Sediment transport pipe (38) connection high pressure water jets sand nozzle one (34)；
Rotation dish（42）It is rotatably installed in purge chamber（22）It is interior；
Rotate coil motor（44）Installed in purge chamber（22）Outside, rotates coil motor（44）Drive rotation dish（42）Rotation；
Lowering or hoisting gear two（46）Installed in purge chamber（22）Top；
High pressure water jets sand nozzle two（48）Installed in lowering or hoisting gear two（46）On, and rotation dish can be compareed（42）.
High pressure water transport pipe（36）Connection high pressure water jets sand nozzle two（48）.
Sediment transport pipe（38）Connection high pressure water jets sand nozzle two（48）.
The further restriction of above-mentioned technical proposal is that residual sand wiper mechanism also includes rolling wheel guide rails (28), several limits
Position roller (30), rolling wheel guide rails (28) are circumferentially fixed on the outside that casting holds basket (242), and several limited rollers (30) are respectively
Installed in purge chamber（22）On, positioned at rotation basket（24）The lower section of both sides, several limited rollers (30) all extend into roller and lead
In rail (28) and it is in contact with it.
The further restriction of above-mentioned technical proposal is that residual sand wiper mechanism also includes deflector chute (40), deflector chute (40)
The lower section of purge chamber (22) is fixed on, positioned at the top of macropore filter screen (16).
The further restriction of above-mentioned technical proposal is that residual sand wiper mechanism also includes blowoff valve (20), blowoff valve (20)
Installed in the bottom of the bottom wall (122) of storage room (12).
The further restriction of above-mentioned technical proposal is that the central part of bottom wall (122) bends downwards.
The further restriction of above-mentioned technical proposal is that the investment cast cleaning equipment also includes water process and water supplying machine
Structure, the water process and water supply mechanism include be sequentially communicated sedimentation basin (52), depositing reservoir (54), filter (56), water tank (58),
Filter (60), high-pressure pump (62)；
The apopore (1262) of the sewage chamber (126) of sedimentation basin (52) connection storage room (12)；
Water side in water tank (58) is provided with screen pack (582)；
The water side of high-pressure pump (62) connects high pressure water jets sand nozzle one (34) and high pressure liquid sandblast by high pressure water transport pipe (36)
Shower nozzle two（48）；
The output end of sand pump (14) connects high pressure water jets sand nozzle one (34) and high pressure water jets sand nozzle by sediment transport pipe (38)
Two（48）.
The further restriction of above-mentioned technical proposal is, sedimentation basin (52), depositing reservoir (54), water tank (58) row of being fitted with
Dirty valve.
Compared with prior art, the invention has the advantages that：
1st, without the dust, noise without high-decibel, pollution-free, to people's fanout free region；
2nd, abrasive material or shot and water energy are recycled for a long time, not only environmental protection, and saving water resource.
Brief description of the drawings
Fig. 1 is the structural representation of investment cast cleaning equipment of the present invention.
Fig. 2 is the side view of investment cast cleaning equipment of the present invention.
Specific embodiment
Refer to Fig. 1 and Fig. 2, a kind of investment cast cleaning equipment, including residual sand wiper mechanism（Non- label）, water process
And water supply mechanism（Non- label）.
Residual sand wiper mechanism（Non- label）Including storage room 12, sand pump 14, macropore filter screen 16, aperture filter screen 18, blowdown
Valve 20, purge chamber 22, rotate basket 24, rotate basket motor 26, rolling wheel guide rails 28, several limited rollers 30, lowering or hoisting gear 1,
High pressure water jets sand nozzle 1, high pressure water transport pipe 36, sediment transport pipe 38, deflector chute 40, rotation dish 42, rotation coil motor 44, lifting
Device 2 46, high pressure water jets sand nozzle 2 48.
Storage room 12 is placed vertically on ground.
Storage room 12 includes bottom wall 122, silt particle room 124, sewage chamber 126.
The central part of bottom wall 122 bends downwards, is conducive to collecting residual sand sediment.
Silt particle room 124 includes the side wall 1242 of all round closure extended upward from bottom wall 122, and side wall 1242 is consolidated
Surely it is connected to the top of bottom wall 122.
Sewage chamber 126 is upwardly extended from bottom wall 122 and formed.
The top of sewage chamber 126 offers an apopore 1262.
The bottom of the side wall 1242 between silt particle room 124 and sewage chamber 126 offers a perforate 128, to connect silt particle
Room 124 and sewage chamber 126.
Position of the position of perforate 128 less than apopore 1262.
Sand pump 14 is arranged on the middle bottom of silt particle room 124.
Macropore filter screen 16 is arranged in silt particle room 124, positioned at the top of sand pump 14.
Aperture filter screen 18 is arranged in silt particle room 124, positioned at the lower section of sand pump 14.
Position of the position of aperture filter screen 18 higher than perforate 128.
Blowoff valve 20 is arranged on the bottom of the bottom wall 122 of storage room 12.
Purge chamber 22 is fixed on the top of silt particle room 124 of storage room 12.
Basket 24 is rotated to be rotatably installed in purge chamber 22.
Rotating basket 24 includes that a casting holds basket 242, and casting holds basket 242 and is rotatably installed in purge chamber 22.
Casting appearance basket 242 offers an investment-casting and is put into mouth 2422.
The less casting of size（It is not shown）It is placed on during casting holds basket 242 and rinses.
Rotate basket motor 26 to be arranged on outside purge chamber 22, rotate basket motor 26 and drive casting appearance basket 242 to rotate.
Rolling wheel guide rails 28 are circumferentially fixed on the outside that casting holds basket 242.
Several limited rollers 30 are separately mounted in purge chamber 22, positioned at the lower section for rotating the both sides of basket 24, several limits
Position roller 30 all extend into rolling wheel guide rails 28 and is in contact with it.
Start after rotating basket motor 26, rotate basket motor 26 and drive rotation basket 24 to rotate, rolling wheel guide rails 28 are pressed in several
On limited roller 30, several rotations of limited roller 30 can allow rotation basket 24 to rotate more steady.
Lowering or hoisting gear 1 is arranged on the top of purge chamber 22.
High pressure water jets sand nozzle 1 is arranged on lowering or hoisting gear 1.The alignment of high pressure water jets sand nozzle 1 rotates basket 24
Investment-casting be put into mouth 2422.
After lowering or hoisting gear 1 starts, high pressure water jets sand nozzle 1 can be driven to rise or decline, can also adjusted
Angle, allow high pressure water jets sand nozzle 1 be aligned be placed on casting hold basket 242 in need cleaning casting（It is not shown）.
The connection high pressure water jets of high pressure water transport pipe 36 sand nozzle 1.
The connection high pressure water jets of sediment transport pipe 38 sand nozzle 1.
Deflector chute 40 is fixed on the lower section of purge chamber 22, positioned at the top of macropore filter screen 16.
Rotation dish 42 is rotatably installed in purge chamber 22.
Larger-size casting（It is not shown）It is fixed in rotation dish 42 and rinses.
Rotate coil motor 44 to be arranged on outside purge chamber 22, rotate coil motor 44 and drive rotation dish 42 to rotate.
Lowering or hoisting gear 2 46 is arranged on the top of purge chamber 22.
High pressure water jets sand nozzle 2 48 is arranged on lowering or hoisting gear 2 46, and can compare rotation dish 42.
After lowering or hoisting gear 2 46 starts, high pressure water jets sand nozzle 2 48 can be driven to rise or decline, can also adjusted
Angle, allows high pressure water jets sand nozzle 2 48 to be directed at the casting for being fixed in rotation dish 42 and needing cleaning（It is not shown）.
The connection high pressure water jets of high pressure water transport pipe 36 sand nozzle 2 48.
The connection high pressure water jets of sediment transport pipe 38 sand nozzle 2 48.
Water process and water supply mechanism（Non- label）Including the sedimentation basin 52, depositing reservoir 54, the filter 56, water tank that are sequentially communicated
58th, filter 60, high-pressure pump 62.
The apopore 1262 of the sewage chamber 126 of the connection storage room 12 of sedimentation basin 52.
Water side in water tank 58 is provided with screen pack 582.
Pressure gauge 622, pressure regulator valve 624, safety valve 626 are equipped with high-pressure pump 62.
The water side of high-pressure pump 62 connects high pressure water jets sand nozzle 1 and high pressure water jets sand blasting by high pressure water transport pipe 36
First 2 48, when high-pressure pump 62 works, by the water in water tank 58 by high pressure water transport pipe 36, sprayed by high pressure water jets sand nozzle 1
Go out to rinse the casting rotated in basket 24, also by the casting that high pressure water jets sand nozzle 2 48 is rinsed in rotation dish 42, reach removing
Casting remains the effect of casting sand.
The output end of sand pump 14 connects high pressure water jets sand nozzle 1 and high pressure water jets sand nozzle two by sediment transport pipe 38
48, when sand pump 14 works, the abrasive material or shot and the mixture of water that will be contained in silt particle room 124, by sediment transport pipe 38, lead to
Cross high pressure water jets sand nozzle 1 and spray the casting that impact is rotated in basket 24, rushed also by being sprayed with high pressure water jets sand nozzle 2 48
The casting hit in rotation dish 42, reaches the effect that casting remains casting sand of removing.
Sedimentation basin 52, depositing reservoir 54, water tank 58 are fitted with blowoff valve（Non- label）, it is used to clear up dirt.
By water process and water supply mechanism（Non- label）, can be clean by filth disposals such as the dust in aqueous, sand grains, make water
The recycling of liquid energy enough long periods, and high-pressure pump 62 is shielded.
During work, start high-pressure pump 62, sand pump 14, by the water in water tank 58 by high pressure water jets sand nozzle 1 and height
Pressure water sandblasting shower nozzle 2 48 sprays, while the mixture of the abrasive material that will be contained in silt particle room 124 or shot and water passes through high pressure
Water sandblasting shower nozzle 1 and high pressure water jets sand nozzle 2 48 spray, and water and abrasive material, shot are in high pressure water jets sand nozzle 1 and height
Pressure water sandblasting shower nozzle 2 48 sprays the casting that impact is rotated in basket 24 and rotation dish 42 simultaneously after merging together, reach removing
Casting remains the effect of casting sand.
Abrasive material or shot and water, flow out from rotation basket 24 and rotation dish 42, are filtered into macropore filter screen 16 from deflector chute 40,
Larger-size residual sand is blocked on macropore filter screen 16, and the less abrasive material of size or shot and water fall into next layer by aperture filter screen
18 are blocked, and high pressure water jets sand nozzle 1 and high pressure water jets sand nozzle 2 48 are extracted into again with sand pump 14, and casting is rinsed again, small
Hole filter screen 18 prevents effective abrasive material or shot from dropping into sewage chamber 126 below sand pump 14.Sewage and useless abrasive material, steel
Ball, smaller residual sand enter sewage chamber 126, by sedimentation basin 52, depositing reservoir 54, filter 56 after, sewage becomes clear
Clearly, subsequently into water tank 58, high pressure water jets sand nozzle 1 and high pressure water jets sand nozzle 2 48 are pumped into by high-pressure pump 62, are rushed again
Wash casting.
Compared with present technology, the invention has the advantages that：
1st, without the dust, noise without high-decibel, pollution-free, to people's fanout free region；
2nd, abrasive material or shot and water energy are recycled for a long time, not only environmental protection, and saving water resource.
Claims (7)
1. a kind of investment cast cleaning equipment, it is characterised in that it includes residual sand wiper mechanism, and the residual sand wiper mechanism includes
Storage room (12), sand pump (14), macropore filter screen (16), aperture filter screen (18), purge chamber (22), rotation basket (24), rotation basket
Motor (26), lowering or hoisting gear one (32), high pressure water jets sand nozzle one (34), high pressure water transport pipe (36), sediment transport pipe (38), rotation dish
（42）, rotate coil motor（44）, lowering or hoisting gear two（46）, high pressure water jets sand nozzle two（48）；
Storage room (12) includes bottom wall (122), silt particle room (124), sewage chamber (126)；
Silt particle room (124) includes the side wall (1242) of all round closure extended upward from bottom wall (122), side wall
(1242) it is fixedly connected on bottom wall (122) top；
Sewage chamber (126) is upwardly extended from bottom wall (122) and formed, and the top of sewage chamber (126) offers an apopore
(1262)；
The bottom of the side wall (1242) between silt particle room (124) and sewage chamber (126) offers a perforate (128)；
Position of the position of perforate (128) less than apopore (1262)；
Middle bottom of the sand pump (14) installed in silt particle room (124)；
Macropore filter screen (16) is interior installed in silt particle room (124), positioned at the top of sand pump (14)；
Aperture filter screen (18) is interior installed in silt particle room (124), positioned at the lower section of sand pump (14)；
Position of the position of aperture filter screen (18) higher than perforate (128)；
Purge chamber (22) is fixed on silt particle room (124) top of storage room (12)；
Rotate basket (24) and hold basket (242) including a casting, casting holds basket (242) and is rotatably installed in purge chamber (22)；
Casting appearance basket (242) offers an investment-casting and is put into mouth (2422)；
Rotate basket motor (26) outside installed in purge chamber (22), rotate basket motor (26) and drive casting to hold basket (242) rotation；
Top of the lowering or hoisting gear one (32) installed in purge chamber (22)；
On lowering or hoisting gear one (32), the alignment of high pressure water jets sand nozzle one (34) rotates basket to high pressure water jets sand nozzle one (34)
(24) investment-casting is put into mouth (2422)；
High pressure water transport pipe (36) connection high pressure water jets sand nozzle one (34)；
Sediment transport pipe (38) connection high pressure water jets sand nozzle one (34)；
Rotation dish（42）It is rotatably installed in purge chamber（22）It is interior；
Rotate coil motor（44）Installed in purge chamber（22）Outside, rotates coil motor（44）Drive rotation dish（42）Rotation；
Lowering or hoisting gear two（46）Installed in purge chamber（22）Top；
High pressure water jets sand nozzle two（48）Installed in lowering or hoisting gear two（46）On, and rotation dish can be compareed（42）；
High pressure water transport pipe（36）Connection high pressure water jets sand nozzle two（48）；
Sediment transport pipe（38）Connection high pressure water jets sand nozzle two（48）.
2. a kind of investment cast cleaning equipment according to claim 1, it is characterised in that residual sand wiper mechanism also includes
Rolling wheel guide rails (28), several limited rollers (30), rolling wheel guide rails (28) are circumferentially fixed on the outside that casting holds basket (242),
Several limited rollers (30) are separately mounted to purge chamber（22）On, positioned at rotation basket（24）The lower section of both sides, several are spacing
Roller (30) all extend into rolling wheel guide rails (28) and is in contact with it.
3. a kind of investment cast cleaning equipment according to claim 1, it is characterised in that residual sand wiper mechanism also includes
Deflector chute (40), deflector chute (40) is fixed on the lower section of purge chamber (22), positioned at the top of macropore filter screen (16).
4. a kind of investment cast cleaning equipment according to claim 1, it is characterised in that residual sand wiper mechanism also includes
Blowoff valve (20), blowoff valve (20) is installed in the bottom of the bottom wall (122) of storage room (12).
5. a kind of investment cast cleaning equipment according to claim 1, it is characterised in that the central portion of bottom wall (122)
Position bends downwards.
6. a kind of investment cast cleaning equipment according to claim 1, it is characterised in that investment cast cleaning sets
Standby also to include water process and water supply mechanism, the water process and water supply mechanism include the sedimentation basin (52), the depositing reservoir that are sequentially communicated
(54), filter (56), water tank (58), filter (60), high-pressure pump (62)；
The apopore (1262) of the sewage chamber (126) of sedimentation basin (52) connection storage room (12)；
Water side in water tank (58) is provided with screen pack (582)；
The water side of high-pressure pump (62) connects high pressure water jets sand nozzle one (34) and high pressure liquid sandblast by high pressure water transport pipe (36)
Shower nozzle two（48）；
The output end of sand pump (14) connects high pressure water jets sand nozzle one (34) and high pressure water jets sand nozzle by sediment transport pipe (38)
Two（48）.
7. a kind of investment cast cleaning equipment according to claim 6, it is characterised in that sedimentation basin (52), depositing reservoir
(54), water tank (58) is fitted with blowoff valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043367.5A CN106735124B (en) | 2017-01-21 | 2017-01-21 | A kind of investment cast cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043367.5A CN106735124B (en) | 2017-01-21 | 2017-01-21 | A kind of investment cast cleaning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106735124A true CN106735124A (en) | 2017-05-31 |
| CN106735124B CN106735124B (en) | 2018-07-06 |
Family
ID=58945109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710043367.5A Active CN106735124B (en) | 2017-01-21 | 2017-01-21 | A kind of investment cast cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106735124B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436782A (en) * | 2018-04-24 | 2018-08-24 | 深圳市千里行新材料有限公司 | Aluminum dipping form cleaning machine |
| CN108714686A (en) * | 2018-06-04 | 2018-10-30 | 含山县兴达球墨铸铁厂 | A kind of continuous-flow type shell casting inner cavity fettling installation |
| CN113601398A (en) * | 2021-07-05 | 2021-11-05 | 江苏扬子鑫福造船有限公司 | Novel ligature bridge device |
| CN118122997A (en) * | 2024-05-08 | 2024-06-04 | 兴化市万佳机械有限公司 | Foundry goods sand cleaning machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625099B (en) * | 2019-09-25 | 2020-07-28 | 山东安立泰泵业股份有限公司 | Manufacturing and processing method of water pump impeller |
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| CN206464533U (en) * | 2017-01-21 | 2017-09-05 | 深圳市千里行新材料有限公司 | A kind of investment cast cleaning equipment |
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| WO1998057762A1 (en) * | 1997-06-17 | 1998-12-23 | Peter David Young | Washing process |
| JP2003010804A (en) * | 2001-07-05 | 2003-01-14 | Isuzu Motors Ltd | Cleaning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436782A (en) * | 2018-04-24 | 2018-08-24 | 深圳市千里行新材料有限公司 | Aluminum dipping form cleaning machine |
| CN108436782B (en) * | 2018-04-24 | 2023-10-13 | 深圳市千里行新材料有限公司 | Aluminum mould cleaning machine |
| CN108714686A (en) * | 2018-06-04 | 2018-10-30 | 含山县兴达球墨铸铁厂 | A kind of continuous-flow type shell casting inner cavity fettling installation |
| CN113601398A (en) * | 2021-07-05 | 2021-11-05 | 江苏扬子鑫福造船有限公司 | Novel ligature bridge device |
| CN118122997A (en) * | 2024-05-08 | 2024-06-04 | 兴化市万佳机械有限公司 | Foundry goods sand cleaning machine |
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| Publication number | Publication date |
|---|---|
| CN106735124B (en) | 2018-07-06 |
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