CN108856645B - Sand mixing device for sand casting - Google Patents
Sand mixing device for sand casting Download PDFInfo
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- CN108856645B CN108856645B CN201810919206.2A CN201810919206A CN108856645B CN 108856645 B CN108856645 B CN 108856645B CN 201810919206 A CN201810919206 A CN 201810919206A CN 108856645 B CN108856645 B CN 108856645B
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- 239000004576 sand Substances 0.000 title claims abstract description 71
- 238000007528 sand casting Methods 0.000 title claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 9
- 239000003110 molding sand Substances 0.000 abstract description 34
- 238000005096 rolling process Methods 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000013409 condiments Nutrition 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0422—Devices having a fixed receptable with rotating tools, some or all of these tools being rolls or balls loosely mounted on their axis or loose balls in contact with the side wall or the bottom of the receptacle, e.g. with aerating means; "Devices of the Muller type"
- B22C5/0431—Devices having a fixed receptable with rotating tools, some or all of these tools being rolls or balls loosely mounted on their axis or loose balls in contact with the side wall or the bottom of the receptacle, e.g. with aerating means; "Devices of the Muller type" having at least two vertical tool-driving shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a sand mixing device for sand casting, which comprises a feeding auger, a mixing bin, an upper cover plate, a mixing mechanism and a sand rolling device, wherein one end of the feeding auger is in contact with the ground, the other end of the feeding auger is communicated and connected with the upper cover plate, the mixing bin consists of a first rectangular bin, a first quadrangular frustum bin and a second rectangular bin, the mixing mechanism consists of a mixing motor, a first mixing screw and a second mixing screw, the sand rolling device consists of a blanking plate, a sand rolling motor, a first rolling roller, a second rolling roller and a tension pulley, the blanking plate is symmetrically provided with two blanking plates, the upper end of the blanking plate is connected with the second rectangular bin, the sand rolling motor is connected with the three side walls of the rectangular bin, the first rolling roller and the second rolling roller are rotationally connected with the three side walls of the rectangular bin, the output end of the sand rolling motor is provided with a first belt pulley, one end of the rolling roller is provided with a second belt pulley, the two end, the humidity detection in the sand mixing is realized, then the humidity of the molding sand is controlled in the sand grinding, and the operation is convenient and efficient.
Description
Technical Field
The invention belongs to the technical field of casting, and particularly relates to a sand mixing device for sand casting.
Background
The material used to make the sand molds is known as molding material, the material used to make the sand molds is conventionally known as molding sand, and the molding material used to make the sand cores is known as core sand. The molding sand is generally prepared by mixing raw sand (mountain sand or river sand), clay and water according to a certain proportion, wherein the clay is about 9 percent, the water is about 6 percent, and the rest is the raw sand. Small amounts of additives such as coal dust, vegetable oil, wood chips, etc. are sometimes added to improve the properties of the molding sand and core sand.
Foundries typically have specialized sand mixers. The purpose of sand mixing is to mix the sand evenly, because there are water, binder, additive etc. in the sand, has added the fried dish process of condiment, and the sand mixing needs time, and it is very critical that the foundry sand mixing of the fact, will examine after the sand mixing, index such as humidity, intensity, wherein the humidity of molding sand directly influences the stability of the transport compound die of sand mould.
The traditional mode is that sand is firstly mixed, then the humidity is detected, a professional sand mixer exists, other things are not dry, sand is mixed every day, the labor intensity is high, and the sand mixing efficiency is low.
Disclosure of Invention
The invention provides a sand mixing device for sand casting, which realizes the detection of humidity in sand mixing and then controls the humidity of molding sand in sand grinding, and is convenient and efficient.
In order to achieve the purpose, the invention adopts the technical scheme that: a sand mixing device for sand casting comprises a feeding auger, a mixing bin, an upper cover plate, a mixing mechanism and a sand grinding device, wherein one end of the feeding auger is in contact with the ground, the other end of the feeding auger is communicated with the upper cover plate, the mixing bin consists of a first rectangular bin, a first quadrangular frustum pyramid bin and a second rectangular bin, the upper end of the first quadrangular frustum pyramid bin is welded with the first rectangular bin, the lower end of the second quadrangular frustum pyramid bin is welded with the second rectangular bin, the upper cover plate is tightly locked with the upper end of the first rectangular bin through a bolt, the mixing mechanism consists of a mixing motor, a first mixing screw and a second mixing screw, the mixing motor is connected with the upper cover plate, a first gear is arranged on an output shaft of the mixing motor, the lower end of the first mixing screw is connected with the lower ends of the second rectangular bin through a bearing with a base, the upper end of the first mixing screw is connected with the upper cover plate through a bearing with a base, the lower end, the upper end of the second mixing screw is connected with the upper cover plate through a bearing with a base, the upper end of the first mixing screw is provided with a second gear, the upper end of the second mixing screw is provided with a third gear which is respectively meshed with the first gear and the third gear, the lower end of the second rectangular bin is provided with a third rectangular bin, the grinding device consists of a blanking plate, a grinding motor, a first grinding roller, a second grinding roller and a tensioning wheel, the blanking plate is symmetrically provided with two, the upper end of the blanking plate is connected with the second rectangular bin, the grinding motor is connected with the three side walls of the rectangular bin, the first grinding roller and the second grinding roller are rotatably connected with the three side walls of the rectangular bin, the output end of the grinding motor is provided with the first belt wheel, one end of the grinding roller is provided with the second belt wheel, the two end of the grinding roller is provided with the third belt wheel, the tensioning wheel is rotatably connected with the three side walls of the rectangular bin, the, and atomization devices are arranged on the three sides of the rectangular bin, and the humidity sensor is connected with the atomization devices through signal lines.
Preferably, the feeding auger consists of a feeding pipe, a motor, a speed reducer and a feeding screw, the lower end of the feeding pipe is fixed with the ground, the upper end of the feeding pipe is communicated with the mixing bin, an output shaft of the motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with one end of the feeding screw, and two ends of the feeding screw are rotatably connected with the feeding pipe through bearings.
Preferably, a discharge hopper is arranged in the middle of the three lower ends of the rectangular bin.
Preferably, the blanking plate is a C-shaped plate.
Preferably, the mixing spiral I is in left-handed rotation, and the mixing spiral II is in right-handed rotation.
The beneficial effect of adopting above technical scheme is: the sand mixing device for sand casting is characterized in that molding sand used for casting molding passes through a sand screening device, impurities such as scrap iron in the molding sand are removed, the molding sand is kept uniform and clean, the molding sand screened by the sand screening device is fed through a feeding hopper, a motor is started, the motor drives a feeding screw to rotate in a feeding pipe through a speed reducer, the molding sand is conveyed into a mixing bin, a mixing motor in a mixing mechanism is started, a mixing motor drives a gear to rotate, the gear I is meshed with the gear II, the gear II is meshed with the gear III, so that the gear II and the gear III respectively drive a mixing screw I and a mixing screw II to rotate relatively under the driving of the gear I, and the mixing screw I is rotated leftwards, the mixing screw II is rotated rightwards, so that the mixing screw I and the mixing screw II continuously push the molding sand in a rectangular bin II upwards to roll, because the first mixing screw and the second mixing screw rotate relatively, the molding sand is continuously pushed upwards and rolled, and meanwhile, the molding sand is mutually kneaded, so that large particles in the molding sand are crushed; be equipped with the humidity that humidity transducer detected the molding sand in the middle of the two rectangle storehouses simultaneously, and send the humidity model through signal line for atomizing device, then the sand grinding motor drive band pulley one among the sand grinding device, then take band pulley two and band pulley three to rotate through the belt, the relative rotation of rolling roller one and rolling roller two has been realized, the molding sand that will fall down between two lower flitchs carries out the secondary and rolls, when rolling, atomizing device has increased the air humidity in the three rectangle storehouses, make the molding sand humidity that rolls increase, realized detecting humidity in the mullion, then the humidity of control molding sand in the regrinding, and is convenient and efficient.
The feeding auger comprises a feeding pipe, a motor, a speed reducer and a feeding screw, the lower end of the feeding pipe is fixed with the ground, the upper end of the feeding pipe is communicated with a mixing bin, an output shaft of the motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with one end of the feeding screw, and two ends of the feeding screw are rotatably connected with the feeding pipe through bearings, so that the feeding is facilitated, and the flying of sand and dust is avoided to cause environmental pollution.
The first mixing spiral is left-handed, the second mixing spiral is right-handed, and upward overturning of the molding sand is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the sand kneading apparatus for sand casting;
FIG. 2 is a top view of a mixing silo;
FIG. 3 is an enlarged view of a portion of FIG. 1 at position A;
wherein:
1. a feeding auger; 2. a mixing bin; 3. an upper cover plate; 4. a material mixing mechanism; 5. a sand grinding device; 10. a feed pipe; 10-1, feeding a hopper; 11. a motor; 12. a speed reducer; 13. feeding a screw; 2-1, a rectangular bin I; 2-2, a quadrangular frustum pyramid bin; 2-3, a rectangular bin II; 2-30, a humidity sensor; 2-4, a rectangular bin III; 2-40, an atomization device; 2-41, a discharge hopper; 40. a mixing motor; 40-1, a first gear; 41. mixing material spirally I; 41-1 and a second gear; 42. a second mixing screw; 42-1, gear three; 50. a blanking plate; 51. a sand grinding motor; 51-1 and a first belt wheel; 52. rolling a roller I; 52-1 and a second belt wheel; 53. rolling a roller II; 53-1 and a third belt wheel; 54. a tension wheel.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 3, the present invention is a sand mixing device for sand casting, which realizes humidity detection in sand mixing and then humidity control of molding sand in sand grinding, and is convenient and efficient.
Specifically, as shown in fig. 1 to 3, the device comprises a feeding auger 1, a mixing bin 2, an upper cover plate 3, a mixing mechanism 4 and a sand grinding device 5, wherein one end of the feeding auger 1 is in contact with the ground, the other end of the feeding auger 1 is communicated with the upper cover plate 3, the mixing bin 2 comprises a first rectangular bin 2-1, a second rectangular bin 2-2 and a second rectangular bin 2-3, the upper end of the first rectangular bin 2-2 is welded with the first rectangular bin 2-1, the lower end of the second rectangular bin 2-2 is welded with the second rectangular bin 2-3, the upper cover plate 3 is tightly locked with the upper end of the first rectangular bin 2-1 through bolts, the mixing mechanism 4 comprises a mixing motor 40, a first mixing screw 41 and a second mixing screw 42, the mixing motor 40 is connected with the upper cover plate 3, a first gear 40-1 is arranged on an output shaft of the mixing motor 40, the lower end of the first mixing screw 41 is connected with the lower end of a second rectangular bin 2-3 through a bearing with a seat, the upper end of the first mixing screw 41 is connected with the upper cover plate 3 through a bearing with a seat, the lower end of the second mixing screw 42 is connected with the lower end of the second rectangular bin 2-3 through a bearing with a seat, the upper end of the second mixing screw 42 is connected with the upper cover plate 3 through a bearing with a seat, the upper end of the first mixing screw 41 is provided with a second gear 41-1, the upper end of the second mixing screw 42 is provided with a third gear 42-1, the second gear 41-1 is respectively meshed with the first gear 40-1 and the third gear 42-1, the lower end of the second rectangular bin 2-3 is provided with a third rectangular bin 2-4, the sand grinding device 5 consists of a lower blanking plate 50, a sand grinding motor 51, a first grinding roller 52, a second grinding roller, the upper end of the blanking plate 50 is connected with the second rectangular bin 2-3, the sand grinding motor 51 is connected with the side wall of the third rectangular bin 2-4, the first rolling roller 52 and the second rolling roller 53 are rotatably connected with the side walls 2-4 of the rectangular bin III, the output end of the sand grinding motor 51 is provided with a belt wheel I51-1, the end part of the grinding roller I52 is provided with a belt wheel II 52-1, the end part of the grinding roller II 53 is provided with a belt wheel III 53-1, a tension wheel 54 is rotatably connected with the side wall of the rectangular bin III 2-4, the first belt wheel 51-1, the second belt wheel 52-1, the third belt wheel 53-1 and the tension pulley 54 are connected through a belt, a humidity sensor 2-30 is arranged in the middle of the rectangular bin II 2-3, atomizing devices 2-40 are arranged on two sides of the rectangular bin III 2-4, and the humidity sensor 2-30 is connected with the atomizing device 2-40 through a signal line.
As shown in fig. 1, the feeding auger 1 is composed of a feeding pipe 10, a motor 11, a speed reducer 12 and a feeding screw 13, the lower end of the feeding pipe 10 is fixed with the ground, the upper end of the feeding pipe is communicated with the mixing bin 2, an output shaft of the motor 10 is connected with an input shaft of the speed reducer 12, an output shaft of the speed reducer 12 is connected with one end of the feeding screw 13, and two ends of the feeding screw 13 are rotatably connected with the feeding pipe 10 through bearings.
As shown in figure 1, the middle of the lower end of the rectangular bin III 2-4 is provided with a discharge hopper 2-41.
As shown in fig. 3, the blanking plate 50 is a "C" shaped plate.
As shown in fig. 1, the first mixing screw 41 is left-handed, and the second mixing screw 42 is right-handed.
The following specific working modes are illustrated by specific examples:
example 1:
the sand mixing device for sand casting is characterized in that molding sand used for casting molding passes through a sand screening device, impurities such as scrap iron in the molding sand are removed, the molding sand is kept uniform and clean, the molding sand screened by the sand screening device is fed through a feeding hopper 10-1, then a motor 11 is started, the motor 11 drives a feeding screw 13 to rotate in a feeding pipe 10 through a speed reducer 12, then the molding sand is conveyed into a mixing bin 2, then a mixing motor 40 in a mixing mechanism 4 is started, the mixing motor 40 drives a gear I40-1 to rotate, as the gear I40-1 is meshed with a gear II 41-1 and the gear II 41-1 is meshed with a gear III 42-1, the gear II 41-1 and the gear III 42-1 respectively drive the mixing screw I41 and the mixing screw II 42 to rotate relatively under the driving of the gear I40-1, because the first mixing screw 41 rotates leftwards and the second mixing screw 42 rotates rightwards, the molding sand in the rectangular bin II 2-3 is continuously pushed upwards and rolled by the first mixing screw 41 and the second mixing screw 42, and because the first mixing screw 41 and the second mixing screw 42 rotate relatively, the molding sand is continuously pushed upwards and rolled, and meanwhile, mutual kneading is realized, and large particles in the molding sand are crushed; meanwhile, a humidity sensor 2-30 is arranged in the middle of the second rectangular bin 2-3 for detecting the humidity of the molding sand, the humidity model is sent to an atomizing device 2-40 through a signal line, then a sand grinding motor 51 in a sand grinding device 5 drives a first belt wheel 51-1, then a belt drives the second belt wheel 52-1 and a third belt wheel 53-1 to rotate, relative rotation of the first grinding roller 52 and the second grinding roller 53 is achieved, the molding sand falling from the two blanking plates 50 is secondarily ground, and the atomizing device 2-40 increases the air humidity in the third rectangular bin 2-4 during grinding, so that the humidity of the ground molding sand is increased, the humidity detection in mixed sand is achieved, the humidity of the molding sand is controlled in the ground sand, and the device is convenient and efficient.
The feeding auger 1 is composed of a feeding pipe 10, a motor 11, a speed reducer 12 and a feeding screw 13, the lower end of the feeding pipe 10 is fixed with the ground, the upper end of the feeding pipe is communicated with a mixing bin 2, the output shaft of the motor 10 is connected with the input shaft of the speed reducer 12, the output shaft of the speed reducer 12 is connected with one end of the feeding screw 13, and two ends of the feeding screw 13 are rotatably connected with the feeding pipe 10 through bearings, so that the feeding is facilitated, the flying of sand dust is avoided, and the environmental pollution is caused.
Example 2:
on the basis of embodiment 1, the first material mixing spiral 41 is left-handed, and the second material mixing spiral 42 is right-handed, so that upward overturning of the molding sand is realized.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (5)
1. The utility model provides a sand mulling device for sand casting which characterized in that: comprises a feeding auger (1), a mixing bin (2), an upper cover plate (3), a mixing mechanism (4) and a sand grinding device (5), wherein one end of the feeding auger (1) is in contact with the ground, the other end of the feeding auger is communicated with the upper cover plate (3), the mixing bin (2) consists of a rectangular bin I (2-1), a rectangular frustum chamber (2-2) and a rectangular bin II (2-3), the upper end of the rectangular frustum chamber (2-2) is welded with the rectangular bin I (2-1), the lower end of the rectangular frustum chamber (2-2) is welded with the rectangular bin II (2-3), the upper cover plate (3) is tightly locked with the upper end of the rectangular bin I (2-1) through a bolt, the mixing mechanism (4) consists of a mixing motor (40), a mixing spiral I (41) and a mixing spiral II (42), the mixing motor (40) is connected with the upper cover plate (3), a first gear (40-1) is arranged on an output shaft of the mixing motor (40), the lower end of the first mixing spiral (41) is connected with the lower end of a second rectangular bin (2-3) through a bearing with a seat, the upper end of the first mixing spiral (41) is connected with the upper cover plate (3) through a bearing with a seat, the lower end of the second mixing spiral (42) is connected with the lower end of the second rectangular bin (2-3) through a bearing with a seat, the upper end of the second mixing spiral (42) is connected with the upper cover plate (3) through a bearing with a seat, a second gear (41-1) is arranged at the upper end of the first mixing spiral (41), a third gear (42-1) is arranged at the upper end of the second mixing spiral (42), the second gear (41-1) is respectively meshed with the first gear (40-1) and the third gear (42-1), a third rectangular bin (2-4) is arranged at the, the sand grinding device (5) is composed of two lower material plates (50), a sand grinding motor (51), a first grinding roller (52), a second grinding roller (53) and a tension wheel (54), the two lower material plates (50) are symmetrically arranged, the upper end of each lower material plate (50) is connected with the corresponding rectangular bin II (2-3), the sand grinding motor (51) is connected with the corresponding rectangular bin III (2-4) side wall, the first grinding roller (52) and the second grinding roller (53) are rotatably connected with the corresponding rectangular bin III (2-4) side wall, a first belt wheel (51-1) is arranged at the output end of the sand grinding motor (51), a second belt wheel (52-1) is arranged at the end of the first grinding roller (52), a third belt wheel (53-1) is arranged at the end of the second grinding roller (53), the tension wheel (54) is rotatably connected with the corresponding rectangular bin III (2-4) side wall, and the first belt wheel (51-1), the second belt wheel (52, The belt wheel III (53-1) is connected with the tensioning wheel 954 through a belt, the humidity sensor (2-30) is arranged in the middle of the rectangular bin II (2-3), the atomizing devices (2-40) are arranged on two sides of the rectangular bin III (2-4), and the humidity sensor (2-30) is connected with the atomizing devices (2-40) through signal lines.
2. The sand mulling apparatus for sand casting according to claim 1, characterized in that: the feeding auger (1) is composed of a feeding pipe (10), a motor (11), a speed reducer (12) and a feeding screw (13), the lower end of the feeding pipe (10) is fixed with the ground, the upper end of the feeding pipe is communicated with a mixing bin (2), an output shaft of the motor (10) is connected with an input shaft of the speed reducer (12), an output shaft of the speed reducer (12) is connected with one end of the feeding screw (13), and the two ends of the feeding screw (13) are rotatably connected with the feeding pipe (10) through bearings.
3. The sand mulling apparatus for sand casting according to claim 1, characterized in that: and a discharge hopper (2-41) is arranged in the middle of the lower end of the rectangular bin III (2-4).
4. The sand mulling apparatus for sand casting according to claim 1, characterized in that: the blanking plate (50) is a C-shaped plate.
5. The sand mulling apparatus for sand casting according to claim 1, characterized in that: the first mixing spiral (41) is left-handed, and the second mixing spiral (42) is right-handed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919206.2A CN108856645B (en) | 2018-08-14 | 2018-08-14 | Sand mixing device for sand casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919206.2A CN108856645B (en) | 2018-08-14 | 2018-08-14 | Sand mixing device for sand casting |
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| CN108856645A CN108856645A (en) | 2018-11-23 |
| CN108856645B true CN108856645B (en) | 2020-03-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110722100B (en) * | 2019-11-23 | 2020-12-25 | 济南平阴天宫铸造有限公司 | Casting machining equipment and machining process |
| CN118455452B (en) * | 2024-06-20 | 2024-12-13 | 福建胜元机械科技有限公司 | Sand rolling device for metal casting |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB986423A (en) * | 1961-04-07 | 1965-03-17 | Nat Eng Co | Method and apparatus for treating sand |
| CN102950241B (en) * | 2011-08-24 | 2016-07-06 | 郭星亮 | A kind of continuous clay sand mixing machine |
| CN203679166U (en) * | 2013-12-16 | 2014-07-02 | 昆明理工大学 | Planetary used sand regeneration machine |
| CN103713665A (en) * | 2013-12-31 | 2014-04-09 | 常州市卓信机电设备制造有限公司 | System for moulding sand quality on-line inspection and humidity automatic control |
| CN103736916A (en) * | 2013-12-31 | 2014-04-23 | 常州市卓信机电设备制造有限公司 | Automatic temperature and humidity detection control system of double-plate cooler |
| CN204867292U (en) * | 2015-07-01 | 2015-12-16 | 王乔 | Casting sand processing apparatus |
| CN106001406A (en) * | 2016-08-11 | 2016-10-12 | 海安海太铸造有限公司 | Sand mixer used for casting |
| CN205949779U (en) * | 2016-08-26 | 2017-02-15 | 六和铸造工业(昆山)有限公司 | Sand processing apparatus for cast iron |
| CN107414020A (en) * | 2016-12-22 | 2017-12-01 | 杭州跟策科技有限公司 | If the automotive axle sand mo(u)ld of emery dust divergence type feeding mechanism is made of stirring roller |
| CN108213330A (en) * | 2016-12-22 | 2018-06-29 | 杭州跟策科技有限公司 | If the automotive axle sand mo(u)ld of charger is made of stirring roller |
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Effective date of registration: 20221227 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) |