CN109175227A - A kind of recycling and processing device of molding sand - Google Patents
A kind of recycling and processing device of molding sand Download PDFInfo
- Publication number
- CN109175227A CN109175227A CN201810868714.2A CN201810868714A CN109175227A CN 109175227 A CN109175227 A CN 109175227A CN 201810868714 A CN201810868714 A CN 201810868714A CN 109175227 A CN109175227 A CN 109175227A
- Authority
- CN
- China
- Prior art keywords
- nog plate
- feeder
- molding sand
- agitator tank
- milling
- 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
- 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
-
- 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
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/044—Devices having a vertical stirrer shaft in a fixed receptacle
- B22C5/0445—Devices having a vertical stirrer shaft in a fixed receptacle the material flowing continuously through the device
-
- 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
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of recycling and processing devices of molding sand, including case of milling, agitator tank and feeder, case interior lower end of milling is equipped with nog plate seat, nog plate seat upper surface is equipped with metal nog plate, power supply device is equipped in nog plate seat, box top mill equipped with fixed link, fixed link lower end is fixed with slide bar, slide bar is equipped with slide, slide lower end is fixed with nog plate, case side wall of milling is equipped with fixing seat, fixing seat upper end is equipped with reciprocal electric push rod, case upper end mill equipped with feed inlet, case lower end mill equipped with discharge port, agitator tank upper end is equipped with motor one, the lower end of agitator tank is equipped with discharge bucket, feeding screw is equipped with inside feeder, feeder one end is equipped with motor two, the upper end of feeder is equipped with air-heater, the air outlet of air-heater is equipped with ventilation duct, the upper end barrel of feeder is equipped with ventilation hole, strainer two is equipped with below ventilation hole, feeding The other end of cylinder is equipped with right angle discharge port, and the present apparatus reduces the consumption of molding sand, improves molding sand recycling rate of waterused, increases economic efficiency.
Description
Technical field
The invention belongs to casting technology fields, specifically, the present invention relates to a kind of recycling and processing devices of molding sand.
Background technique
Casting industry uses sand casting extensively at present, and sand casting is by roughing sand by mixing a certain amount of binder
Make sandbox, therefore casting industry needs a large amount of sand material, after every a batch of casting of production, casting sandbox is as discarded
Object is lost, and improves the production cost of enterprise since then, also seriously polluted living environment.
The patent No. 2015204765801 discloses a kind of sand mould casting model powder recyclable device, comprising: coarse filtration mechanism,
Hoisting mechanism and process chamber, in which: coarse filtration mechanism is located at the input terminal of hoisting mechanism, and coarse filtration mechanism includes that bracket setting exists
Filter screen on bracket；The output end of hoisting mechanism is located at the top of process chamber feed inlet；Hoisting mechanism includes rack, is mounted on
The driving mechanism and passed with transmission band connection and as transmission belt recycles that transmission belt, driving transmission belt in rack are recycled
Send and carry out the sand hopper of material lifting；It is equipped with vibrating screen in process chamber, and vibrating screen is in the tilted arrangement of process chamber, vibrating screen
Sieve pore internal diameter is less than the cell inner diameter of filter screen；Process chamber is equipped with slag-drip opening and discharge port, and the upper of vibrating screen is arranged in slag-drip opening
Side and the least significant end for being located at vibrating screen；Discharge port is arranged in the lower section of vibrating screen and is located at the least significant end of process chamber, the technical side
Case only provides the filtering sieving actoion to molding sand, but the addition of binder makes binding force between molding sand become larger, it is not easy to it separates,
Molding sand block is formed, vibrating screen can not be isolated completely, while the molding sand that the device obtains still contains a small amount of binder, be influenced
The normal use of casting next time.
Summary of the invention
The present invention provides a kind of recycling and processing device of molding sand, to solve the above-mentioned many defects caused by the prior art.
To achieve the goals above, the technical scheme adopted by the invention is as follows: a kind of recycling and processing device of molding sand, including grind
Tumbling barrel, agitator tank and feeder, the case interior lower end of milling equipped with nog plate seat, grind equipped with metal by nog plate seat upper surface
Plate, the nog plate seat is interior to be equipped with power supply device, and the metal nog plate is connect by electric wire with power supply device, the box top of milling
Equipped with fixed link, the fixed slide bar for being parallel to nog plate seat upper surface in the fixed link lower end, the slide bar is equipped with sliding and connects
The slide connect, the slide lower end are fixed with nog plate, and the upper nog plate lower end surface is parallel with metal nog plate upper surface and is
Rough surface, the case side wall of milling is equipped with fixing seat, and the fixing seat upper end is equipped with reciprocal electric push rod, and the reciprocal electric pushes away
The push rod of bar is fixedly connected with slide, and equipped with feed inlet, the case lower end of milling is described equipped with discharge port for the case upper end of milling
Discharge port is connected to agitator tank upper end, and the agitator tank upper end is equipped with motor one, and the main shaft of the motor one is passed through equipped with agitating shaft
Wear to agitator tank, the agitating shaft is equipped with several stirring rods, and the lower end of the agitator tank is equipped with discharge bucket, it is described go out
Hopper lower end is connected to feeder one end, and feeding screw is equipped with inside the feeder, and described feeder one end is equipped with motor
Two, two main shaft of motor is connect with feeding screw, and the upper end of the feeder is equipped with air-heater, the outlet air of the air-heater
Mouth is equipped with ventilation duct, and the upper end barrel of the feeder is equipped with multiple ventilation holes, and the ventilation duct is connected to ventilation hole, described logical
It is equipped with strainer two below air holes, collecting tank one is equipped with below the strainer two, the other end of the feeder discharges equipped with right angle
Mouthful, collecting tank two is equipped with below the right angle discharge port.
Preferably, the fixing seat includes fixed plate, and the fixed plate is equipped with brace one and brace two, the brace two
One end is fixed on the middle part of brace one, and the fixed plate is bonded with chamber interior wall of milling and fixes equipped with fixing bolt.
Preferably, the front end of the stirring rod is equipped with scraping article, and the scraping article is bonded with stirring chamber interior wall.
Preferably, the discharge bucket is detachable structure, and the discharge bucket upper end and agitator tank lower end are equipped with connection bolt
The junction of connection, the discharge bucket and agitator tank is equipped with rubber strip, and the inner wall of the discharge bucket is equipped with strainer one.
Preferably, the upper nog plate and metal nog plate and horizontal line angle are 25-35 °, the upper nog plate and nog plate seat it
Between vertical range be 3-5mm.
It is using the beneficial effect of above technical scheme: a kind of recycling and processing device of molding sand of structure of the invention, this dress
The working principle set are as follows: used molding sand will be cast, water mixing is added to pour into feed inlet, start reciprocal electric push rod, reciprocal electric pushes away
Bar pushes slide to move reciprocatingly along slide bar, and slide drives upper nog plate to move reciprocatingly along metal nog plate upper surface, molding sand
It flows downward along metal nog plate, while upper nog plate and metal nog plate carry out crushing of milling to molding sand, will be bonded blocking molding sand
It pulverizes, while power supply device makes its heating to metal nog plate electrified regulation, metal nog plate heats molding sand, and heating makes type
Binder in sand melts, and facilitates the separation of molding sand and binder, the molding sand by pulverizing refinement enters stirring from discharge port
In case, start motor one, rotate agitating shaft, stirring rod is stirred the mixture of molding sand and water, is completely dispersed molding sand block
It comes, then enters in feeder from discharge bucket, start motor two, motor two drives feeding screw rotation, makes molding sand to straight
Angle feeding port is mobile, starts air-heater, and air-heater blowout hot wind simultaneously blows to molding sand by ventilation duct and ventilation hole, and molding sand is in movement
During, binder mixing is fallen into collecting tank one from strainer two in water, and hot wind quickly dries up residual liquid, makes molding sand
Restore dry and enter in collecting tank two from right angle discharge port, the present apparatus is easy to operate, and quickly molding sand can be recycled at new
Sand is reused, and the consumption of molding sand is reduced, and is improved molding sand recycling rate of waterused, is increased economic efficiency.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention；
Fig. 2 is fixing seat schematic diagram of the invention；
Fig. 3 is enlarged drawing at A of the invention.
Wherein: 1- mills case, 2- fixing seat, 21- brace one, 22- brace two, 23- fixing bolt, 24- fixed plate, and 3- is past
Multiple electric pushrod, 4- fixed link, 5- slide bar, 6- slide, the upper nog plate of 7-, 8- feed inlet, 9- discharge port, 10- nog plate seat, 101- electricity
Source device, 102- metal nog plate, 11- motor one, 12- agitator tank, 13- agitating shaft, 131- stirring rod, 132- scraping article, 14- discharging
Bucket, 141- strainer one, 142- connection bolt, 143- rubber strip, 15- feeder, 151- motor two, 152- feeding screw,
153- strainer two, 154- ventilation hole, the right angle 155- discharge port, 16- air-heater, 161- ventilation duct, 17- collecting tank one, 18- are collected
Slot two.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
As shown in Figure 1-3, the present invention is a kind of recycling and processing device of molding sand, including case 1 of milling, agitator tank 12 and feeding
Cylinder 15, for 1 interior lower end of case of milling equipped with nog plate seat 10,10 upper surface of nog plate seat is equipped with metal nog plate 102, the mill
Power supply device 101 is equipped in panel seat 10, the metal nog plate 102 is connect by electric wire with power supply device 101, the case 1 of milling
Top is equipped with fixed link 4, the fixed slide bar 5 for being parallel to 10 upper surface of nog plate seat in 4 lower end of fixed link, on the slide bar 5
Equipped with the slide 6 being slidably connected, 6 lower end of slide is fixed with nog plate 7, upper 7 lower end surface of nog plate and metal nog plate 102
Upper surface is parallel and is rough surface, and for 1 side wall of case of milling equipped with fixing seat 2,2 upper end of fixing seat is equipped with reciprocal electric
The push rod of push rod 3, the reciprocal electric push rod 3 is fixedly connected with slide 6, and 1 upper end of case of milling is described equipped with feed inlet 8
1 lower end of case mill equipped with discharge port 9, the discharge port 9 is connected to 12 upper end of agitator tank, and 12 upper end of agitator tank is equipped with motor
One 11, the main shaft of the motor 1 is equipped with agitating shaft 13 and is through to inside agitator tank 12, and the agitating shaft 13 is equipped with several
A stirring rod 131, the lower end of the agitator tank 12 are equipped with discharge bucket 14, and 14 lower end of discharge bucket and 15 one end of feeder connect
It is logical, feeding screw 152 is equipped with inside the feeder 15, described 15 one end of feeder is equipped with motor 2 151, the motor two
151 main shafts are connect with feeding screw 152, and the upper end of the feeder 15 is equipped with air-heater 16, the outlet air of the air-heater 16
Mouth is equipped with ventilation duct 161, and the upper end barrel of the feeder 15 is equipped with multiple ventilation holes 154, the ventilation duct 161 and ventilation hole
154 are connected to, and strainer 2 153 are equipped with below the ventilation hole 154,2 153 lower section of strainer is equipped with collecting tank 1, described to send
The other end of barrel 15 is equipped with right angle discharge port 155, is equipped with collecting tank 2 18 below the right angle discharge port 155.
In the present embodiment, the fixing seat 2 includes fixed plate 24, and the fixed plate 24 is equipped with brace 1 and brace two
22, described 2 22 one end of brace is fixed on the middle part of brace 1, and the fixed plate 24 is bonded with 1 inner wall of case of milling and is equipped with solid
It is fixed to determine bolt 23, sound construction has good supporting role to reciprocal electric push rod 3.
In the present embodiment, the front end of the stirring rod 131 is equipped with scraping article 132, and the scraping article 132 is pasted with 12 inner wall of agitator tank
It closes, strikes off by the molding sand of 12 inner wall of agitator tank in stirring, avoid being retained in 12 inner wall of agitator tank, it is difficult to clear up.
In the present embodiment, the discharge bucket 14 is detachable structure, and 14 upper end of discharge bucket and 12 lower end of agitator tank are set
There is connection bolt 142 to connect, the junction of the discharge bucket 14 and agitator tank 12 is equipped with rubber strip 143, the discharge bucket 14
Inner wall is equipped with strainer 1, and rubber sleeve improves leakproofness, prevents the water in molding sand from leaking, and strainer 1 will mix in molding sand
Residue filter is cast, connection bolt 142 is removed, opens discharge bucket 14, facilitate carry out internal cleaning.
In the present embodiment, the upper nog plate 7 and metal nog plate 102 and horizontal line angle are 25-35 °, the upper nog plate 7 with
Vertical range between nog plate seat 10 is 3-5mm, makes molding sand slip, improves milling efficiency.
Based on a kind of above-mentioned, the recycling and processing device of molding sand of structure of the invention, the working principle of the present apparatus are as follows: will cast
Used molding sand adds water mixing to pour into feed inlet 8, starts reciprocal electric push rod 3, and reciprocal electric push rod 3 pushes slide 6 along cunning
Bar 5 moves reciprocatingly, and slide 6 drives upper nog plate 7 to move reciprocatingly along 102 upper surface of metal nog plate, and molding sand is ground along metal
Plate 102 flows downward, while upper nog plate 7 and metal nog plate 102 carry out crushing of milling to molding sand, will be bonded blocking molding sand and grinds
It is broken, while power supply device 101 makes its heating to 102 electrified regulation of metal nog plate, metal nog plate 102 heats molding sand, adds
Heat melts the binder in molding sand, facilitates the separation of molding sand and binder, through pulverizing the molding sand of refinement from discharge port 9 into
Enter in agitator tank 12, start motor 1, rotate agitating shaft 13, stirring rod 131 is stirred the mixture of molding sand and water, makes
Molding sand block, which is completely dispersed, to come, and then enters in feeder 15 from discharge bucket 14, starts motor 2 151, and motor 2 151 drives spiral shell
It revolves feed appliance 152 to rotate, keeps molding sand mobile to right angle feeding port, start air-heater 16, air-heater 16 blows out hot wind and by logical
Air hose 161 and ventilation hole 154 blow to molding sand, and in the process of moving, binder mixing is fallen into from strainer 2 153 molding sand in water
In collecting tank 1, hot wind quickly dries up residual liquid, so that molding sand is restored dry and enters collecting tank from right angle discharge port 155
In 2 18, the present apparatus is easy to operate, can quickly be recycled molding sand and reuse at fresh sand, reduce the consumption of molding sand
Amount improves molding sand recycling rate of waterused, increases economic efficiency.
The present invention is exemplarily described in conjunction with attached drawing above, it is clear that the present invention implements not by above-mentioned side
The limitation of formula, as long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (5)
1. a kind of recycling and processing device of molding sand, it is characterised in that: including case of milling (1), agitator tank (12) and feeder (15),
Case of milling (1) interior lower end is equipped with nog plate seat (10), and nog plate seat (10) upper surface is equipped with metal nog plate (102), institute
It states in nog plate seat (10) and is equipped with power supply device (101), the metal nog plate (102) is connect by electric wire with power supply device (101),
Fixed link (4) are equipped at the top of the case of milling (1), fixed link (4) the lower end fixation is parallel to nog plate seat (10) upper surface
Slide bar (5), the slide bar (5) is equipped with the slide (6) that is slidably connected, and slide (6) lower end is fixed with nog plate (7),
Upper nog plate (7) lower end surface is parallel with metal nog plate (102) upper surface and is rough surface, and case of milling (1) side wall is set
Have fixing seat (2), fixing seat (2) upper end be equipped with reciprocal electric push rod (3), the push rod of the reciprocal electric push rod (3) with
Slide (6) is fixedly connected, and case of milling (1) upper end is equipped with feed inlet (8), and case of milling (1) lower end is equipped with discharge port
(9), the discharge port (9) is connected to agitator tank (12) upper end, and agitator tank (12) upper end is equipped with motor one (11), the electricity
The main shaft of machine one (11) is equipped with agitating shaft (13) and is through to agitator tank (12) inside, and the agitating shaft (13) is stirred equipped with several
It mixes bar (131), the lower end of the agitator tank (12) is equipped with discharge bucket (14), discharge bucket (14) lower end and feeder (15) one
End connection, the feeder (15) is internal to be equipped with feeding screw (152), and described feeder (15) one end is equipped with motor two
(151), motor two (151) main shaft is connect with feeding screw (152), and the upper end of the feeder (15) is equipped with air-heater
(16), the air outlet of the air-heater (16) is equipped with ventilation duct (161), and the upper end barrel of the feeder (15) is equipped with multiple logical
Air holes (154), the ventilation duct (161) are connected to ventilation hole (154), and strainer two is equipped with below the ventilation hole (154)
(153), collecting tank one (17) is equipped with below the strainer two (153), the other end of the feeder (15) discharges equipped with right angle
Mouth (155), right angle discharge port (155) lower section are equipped with collecting tank two (18).
2. a kind of recycling and processing device of molding sand according to claim 1, it is characterised in that: the fixing seat (2) includes
Fixed plate (24), the fixed plate (24) are equipped with brace one (21) and brace two (22), and described brace two (22) one end is fixed
At the middle part of brace one (21), the fixed plate (24) is bonded with case of milling (1) inner wall and is equipped with fixing bolt (23) and fixes.
3. a kind of recycling and processing device of molding sand according to claim 1, it is characterised in that: the stirring rod (131)
Front end is equipped with scraping article (132), and the scraping article (132) is bonded with agitator tank (12) inner wall.
4. a kind of recycling and processing device of molding sand according to claim 1, it is characterised in that: the discharge bucket (14) is can
Detaching structure, discharge bucket (14) upper end and agitator tank (12) lower end are equipped with connection bolt (142) connection, the discharge bucket
(14) rubber strip (143) are equipped with the junction of agitator tank (12), the inner wall of the discharge bucket (14) is equipped with strainer one (141).
5. a kind of recycling and processing device of molding sand according to claim 1, it is characterised in that: the upper nog plate (7) and gold
Belong to nog plate (102) and horizontal line angle is 25-35 °, the vertical range between the upper nog plate (7) and nog plate seat (10) is 3-
5mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868714.2A CN109175227B (en) | 2018-08-02 | 2018-08-02 | Recovery processing device of molding sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868714.2A CN109175227B (en) | 2018-08-02 | 2018-08-02 | Recovery processing device of molding sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109175227A true CN109175227A (en) | 2019-01-11 |
| CN109175227B CN109175227B (en) | 2020-07-03 |
Family
ID=64920437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868714.2A Active CN109175227B (en) | 2018-08-02 | 2018-08-02 | Recovery processing device of molding sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109175227B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240344A (en) * | 2019-07-24 | 2019-09-17 | 杭州近源环保科技有限公司 | A kind of sewage treatment system with zero discharge |
| CN111604155A (en) * | 2020-05-30 | 2020-09-01 | 深圳市保洁恒环境产业有限公司 | Method and device for treating urban solid waste |
| CN112844534A (en) * | 2020-12-24 | 2021-05-28 | 东台市鑫富达机械有限公司 | A device of milling for grain processing |
| CN113042691A (en) * | 2021-03-08 | 2021-06-29 | 康硕(江西)智能制造有限公司 | Sand core printer |
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| CN205798332U (en) * | 2016-07-01 | 2016-12-14 | 四川省力海铸业有限公司 | A kind of molding sand retracting device |
| CN107469991A (en) * | 2017-08-16 | 2017-12-15 | 冯飞燕 | A kind of cloth dye powder producing device |
| CN207127194U (en) * | 2017-08-30 | 2018-03-23 | 柳州市柳晶科技股份有限公司 | A kind of casting model powder regenerating unit |
| CN207205173U (en) * | 2017-08-30 | 2018-04-10 | 柳州市柳晶科技股份有限公司 | A kind of cast waste sand recycling device |
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2018
- 2018-08-02 CN CN201810868714.2A patent/CN109175227B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205798332U (en) * | 2016-07-01 | 2016-12-14 | 四川省力海铸业有限公司 | A kind of molding sand retracting device |
| CN107469991A (en) * | 2017-08-16 | 2017-12-15 | 冯飞燕 | A kind of cloth dye powder producing device |
| CN207127194U (en) * | 2017-08-30 | 2018-03-23 | 柳州市柳晶科技股份有限公司 | A kind of casting model powder regenerating unit |
| CN207205173U (en) * | 2017-08-30 | 2018-04-10 | 柳州市柳晶科技股份有限公司 | A kind of cast waste sand recycling device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240344A (en) * | 2019-07-24 | 2019-09-17 | 杭州近源环保科技有限公司 | A kind of sewage treatment system with zero discharge |
| CN111604155A (en) * | 2020-05-30 | 2020-09-01 | 深圳市保洁恒环境产业有限公司 | Method and device for treating urban solid waste |
| CN111604155B (en) * | 2020-05-30 | 2021-08-31 | 深圳市保洁恒环境产业有限公司 | Method and device for treating urban solid waste |
| CN112844534A (en) * | 2020-12-24 | 2021-05-28 | 东台市鑫富达机械有限公司 | A device of milling for grain processing |
| CN113042691A (en) * | 2021-03-08 | 2021-06-29 | 康硕(江西)智能制造有限公司 | Sand core printer |
| CN113042691B (en) * | 2021-03-08 | 2022-11-18 | 康硕(江西)智能制造有限公司 | Sand core printer |
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| Publication number | Publication date |
|---|---|
| CN109175227B (en) | 2020-07-03 |
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Effective date of registration: 20230109 Address after: 241000 Changlong Village, Sun Village, Fanchang County, Wuhu City, Anhui Province Patentee after: Fanchang Changling Casting Co.,Ltd. Address before: 241000 Shuikou Village, Sun Village, Fanchang County, Wuhu City, Anhui Province Patentee before: FANCHANG COUNTY GREAT WALL FOUNDRY (GENERAL PARTNERSHIP) |