CN219520406U - Casting is with high-efficient sand mixer - Google Patents
Casting is with high-efficient sand mixer Download PDFInfo
- Publication number
- CN219520406U CN219520406U CN202320042149.0U CN202320042149U CN219520406U CN 219520406 U CN219520406 U CN 219520406U CN 202320042149 U CN202320042149 U CN 202320042149U CN 219520406 U CN219520406 U CN 219520406U
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- China
- Prior art keywords
- sand
- rotary disc
- mixing bin
- fixedly connected
- sand mixing
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- 239000004576 sand Substances 0.000 title claims abstract description 124
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 61
- 238000000227 grinding Methods 0.000 claims abstract description 35
- 238000007790 scraping Methods 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000003110 molding sand Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to the technical field of casting equipment, in particular to a high-efficiency sand mixer for casting, which comprises a sand mixing bin, wherein a rotary disc is rotatably arranged in the sand mixing bin, grinding wheels are rotatably arranged on two sides of the rotary disc, stirring shafts are rotatably arranged on two sides of the rotary disc, the stirring shafts and the grinding wheels are sequentially and uniformly arranged at intervals, the stirring shafts are arranged at the bottom of the sand mixing bin, one end of the stirring shaft positioned in the rotary disc is fixedly connected with a rotation bevel gear, the rotation bevel gear is meshed with a fixed bevel gear, the fixed bevel gear penetrates through the rotary disc and is fixedly connected to the top of the sand mixing bin, and the high-efficiency sand mixer further comprises a main driving motor, and the output end of the main driving motor is fixedly connected to the rotary disc. According to the utility model, the stirring shaft is arranged at the bottom of the sand mixing bin, and the stirring shaft is driven to revolve through the rotary disc and simultaneously rotate, so that a better stirring effect is achieved, and meanwhile, the stirring shaft is arranged at the bottom of the sand mixing bin, so that sand is pushed out from the bottom of the sand mixing bin during sand discharging.
Description
Technical Field
The utility model relates to the technical field of casting equipment, in particular to a high-efficiency sand mixer for casting.
Background
The molding sand for casting is usually mixed by new sand, clay, coal dust, boron compound, fluoride, sulfur and other additives, and in order to save cost, old sand is mixed and blended at the same time. The existing sand mixer mainly comprises a roller type sand mixer, a swinging wheel type sand mixer and a vane type sand mixer, wherein the roller type sand mixer has the rolling and kneading functions on molding sand, the produced molding sand is good in quality, but poor in mixing effect, low in production efficiency, the swinging wheel type sand mixer has a certain rolling and kneading function, the production efficiency is high, and the vane type sand mixer is high in production efficiency, but poor in quality.
The utility model discloses a sand mixer in the patent document of publication number CN213224177U, installs first stirring leaf and second stirring leaf in the mill formula sand mixer in this technical scheme and increases the mixing effect, but first stirring leaf installs in the bottom in this technical scheme, influences the working range of mill, and is unfavorable for out sand, and second stirring leaf stirring scope is limited, and the sand mixing effect is relatively poor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the efficient sand mixer for the roller casting, which has a good sand mixing effect.
The above-mentioned application purpose of the utility model is realized through the following technical scheme:
a high efficiency sand mixer for casting comprising:
the sand mixing bin is a cylindrical bin;
the mounting column is fixedly arranged at the center of the sand mixing bin;
the rotary disc is rotatably arranged at the top of the mounting column;
the two grinding wheels are rotatably arranged on two sides of the rotary disc;
the stirring shafts are rotatably arranged on two sides of the rotary disc, the stirring shafts and the grinding wheels are sequentially and uniformly arranged at intervals, one end of each stirring shaft positioned in the rotary disc is fixedly connected with a self-rotation bevel gear, and the stirring shafts are arranged at the bottom of the sand mixing bin;
the fixed bevel gear is meshed with the self-rotation bevel gear and fixedly connected to the top of the sand mixing bin after penetrating through the rotary disc;
the output end of the main driving motor penetrates through the mounting column from the bottom of the sand mixing bin and is fixedly connected to the rotary disc;
wherein, both ends of the sand mixing bin are respectively provided with a feed inlet, a discharge outlet and a water filling port.
Optionally, the rotary disk fixedly connected with retainer ring, retainer ring lateral surface laminating the sand mixing storehouse inside wall, the (mixing) shaft rotationally install in the retainer ring.
Optionally, the rotary disk is fixedly connected with a sand scraping plate, and the sand scraping plate is attached to the bottom of the sand mixing bin.
Optionally, the scraping plate is installed in the front of the rolling wheel in the rotation direction, and the scraping plate is located at the upper side of the position right in front of the rolling wheel and is provided with a sand outlet.
Optionally, the sand scraping plate is V-shaped.
Optionally, the retainer ring fixedly connected with side scraper blade, side scraper blade laminating the sand mixing storehouse lateral wall.
Optionally, install the jolt squeeze hammer in the pinch roller, jolt squeeze hammer rotationally install in the pinch roller, jolt squeeze hammer with connect through one-way bearing between the pinch roller.
Optionally, an auxiliary plate is installed in the rotary disc, and the stirring shaft is rotatably installed on the auxiliary plate.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the stirring shaft is arranged at the bottom of the sand mixing bin, and the stirring shaft is driven to revolve through the rotary disc and rotate at the same time, so that a better stirring effect is achieved, and meanwhile, the stirring shaft is arranged at the bottom of the sand mixing bin, so that sand is pushed out from the bottom of the sand mixing bin when sand is discharged;
2. by arranging the retaining ring, the fixing of the stirring shaft near the inner side wall of the sand mixing bin is increased, the rigidity of the stirring shaft in the revolution direction is increased, and the situation that the stirring shaft is stressed too much in the revolution direction and bends is reduced;
3. the sand scraping plate and the side scraping plate are arranged to scrape residual sand at the bottom and on the side wall of the sand mixing bin, so that mixing is facilitated, and meanwhile, when molding sand is discharged, the molding sand is conveniently pushed out, and residues are reduced;
4. through setting up one-way bearing and jolt pressure hammer, jolt pressure hammer rotates when the top whereabouts, and the bearing rotates, jolt pressure hammer free fall forms decurrent vibrations to the pinch roller, forms better rolling effect.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present utility model;
fig. 3 is an enlarged schematic view of the portion a in fig. 2.
Reference numerals: 1. a sand mixing bin;
2. a mounting column;
3. a rotary plate; 31. a retention ring; 32. a sand scraping plate; 33. a sand outlet; 34. a side scraper; 35. an auxiliary plate;
4. a grinding wheel; 41. a jolt rammer;
5. a stirring shaft; 501. a shaft portion; 502. stirring the leaves; 51. a bevel gear; 52. fixing a bevel gear;
6. and a main driving motor.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
In order to more clearly understand the technical scheme shown in the embodiment of the utility model, the working principle of the existing sand mixer is first described.
The existing sand mixer is provided with a second stirring blade in a wheel-type sand mixer to increase the mixing effect, but the stirring range of the second stirring blade in the technical scheme is limited, and the sand mixing effect is poor.
From user's angle, first stirring leaf is installed in the bottom, influences the working range of grinding wheel, and is unfavorable for out sand, and second stirring leaf stirring scope is limited, and the sand mixing effect is relatively poor.
Referring to fig. 1-3, an efficient sand mixer for casting disclosed in the embodiments of the present utility model includes a sand mixing bin 1, the sand mixing bin 1 is a cylindrical bin, a mounting column 2 is fixedly mounted at the center of the sand mixing bin 1, a rotary disc 3 is rotatably mounted at the top of the mounting column 2, grinding wheels 4 are rotatably mounted at both sides of the rotary disc 3, stirring shafts 5 are rotatably mounted at both sides of the rotary disc 3, the stirring shafts 5 and the grinding wheels 4 are sequentially and uniformly arranged at intervals, the stirring shafts 5 are disposed at the bottom of the sand mixing bin 1, one end of the stirring shaft 5 located in the rotary disc 3 is fixedly connected with a rotation bevel gear 51, the rotation bevel gear 51 is meshed with a fixed bevel gear 52, the fixed bevel gear 52 penetrates through the rotary disc 3 and is fixedly connected with the top of the sand mixing bin 1, the efficient sand mixer further includes a main driving motor 6, the output end of the main driving motor 6 penetrates through the mounting column 2 from the bottom of the sand mixing bin 1 and is fixedly connected with the rotary disc 3, and the two ends of the sand mixing bin 1 are respectively provided with a feed inlet, a discharge port and a water injection port.
Specifically, the stirring shaft 5 is installed in a space between the grinding wheels 4 on the rotary plate 3, and the stirring shaft 5 rotates while revolving by cooperation of the rotation bevel gear 51 and the fixed bevel gear 52.
Like this, set up (mixing) shaft 5 in the sand mixing bin 1 bottom to rotation when driving (mixing) shaft 5 revolution through revolving disk 3 reaches better stirring effect, simultaneously with (mixing) shaft 5 setting up in the sand mixing bin 1 bottom also be favorable to pushing out molding sand from sand mixing bin 1 bottom when going out the sand.
In some possible modes, the sand mixing bin 1 is a cylindrical bin, the mounting column 2 is a hollow cylinder penetrating through the bottom of the sand mixing bin 1, the mounting column 2 is fixedly connected with the sand mixing bin 1, the rotary disc 3 is a stepped cylindrical piece, a small-diameter part of the rotary disc 3 is nested in the mounting column 2, a large-diameter part of the rotary disc 3 is mounted at the upper end of the mounting column 2, the small-diameter end of the rotary disc 3 is fixedly connected with the output end of the main driving motor 6, the side surface of the large-diameter end of the rotary disc 3 is fixedly connected with a cylindrical shaft, the grinding wheel 4 is rotatably mounted on the cylindrical shaft, the stirring shaft 5 comprises a shaft part 501, the shaft part 501 penetrates through the large-diameter end of the rotary disc 3 and is fixedly connected with a self-rotation bevel gear 51, a plurality of stirring blades 502 are circumferentially arranged outside the shaft part 501, the fixed bevel gear 52 is meshed with the self-rotation bevel gear 51, the upper end of the fixed bevel gear 52 is fixedly connected with a connecting rod, and the connecting rod penetrates through the upper end of the rotary disc 3 and is fixedly connected with the top of the sand mixing bin 1;
the upper end of the sand mixing bin 1 is provided with a feeding hole and a water injection hole, and the lower end is provided with a discharging hole.
Further description will be provided below in connection with specific use cases.
When the stirring mill is used, the main driving motor 6 is started to drive the rotary disc 3 to rotate, so that the grinding wheel 4 and the stirring shaft 5 start to rotate, the stirring shaft 5 revolves to enable the rotation bevel gear 51 to rotate under the drive of the fixed bevel gear 52, stirring is started, after stirring is completed, the discharge port is opened, and molding sand is pushed into the discharge port along with the revolution and rotation of the stirring shaft 5.
As a concrete implementation mode of the high-efficiency sand mixer for casting, the rotary disc 3 is fixedly connected with the retaining ring 31, the outer side face of the retaining ring 31 is attached to the inner side wall of the sand mixing bin 1, and the stirring shaft 5 is rotatably arranged on the retaining ring 31.
Overall, through setting up retainer ring 31, increased the fixed of (mixing) shaft 5 near the inside wall position of mixing sand silo 1, increased (mixing) shaft 5 in the rigidity of revolution direction, reduced (mixing) shaft 5 in the too big atress of revolution direction, the condition of buckling produces.
In some possible ways, the retaining ring 31 is fixedly connected to the rotary disc 3 through a plurality of fixing rods, the inner side surface of the retaining ring 31 is fixedly connected with a bearing, and one end, close to the inner side wall of the sand mixing bin 1, of the stirring shaft 5 is embedded in the bearing and is in rotary connection with the retaining ring 31.
Further, an auxiliary plate 35 is mounted in the turntable 3, and the stirring shaft 5 is rotatably mounted on the auxiliary plate 35.
It should be understood that by providing the auxiliary plate 35, the stirring shaft 5 is supported at one end thereof located in the rotary plate 3, and the overall strength of the stirring shaft 5 is further increased or decreased.
In some possible ways, the upper end of the auxiliary plate 35 is fixedly connected to two bearing blocks in which the stirring shaft 5 is mounted.
As a concrete implementation mode of the high-efficiency sand mixer for casting, the rotary disc 3 is fixedly connected with a sand scraping plate 32, and the sand scraping plate 32 is attached to the bottom of the sand mixing bin 1.
Combine specific service scenario, the grinding of pinch roller 4 to molding sand probably makes molding sand adhesion in the muddy sand storehouse 1 bottom, reduces stirring mixing effect, pushes up the molding sand of adhesion through scraping sand board 32, is convenient for mix, simultaneously, when the molding sand ejection of compact, is convenient for push out the molding sand, reduces and remains.
Further, a sand scraping plate 32 is mounted in front of the rotation direction of the grinding wheel 4, and a sand outlet 33 is formed in the upper side of the position, right in front of the grinding wheel 4, of the sand scraping plate 32.
The sand scraping plate 32 pushes up the molding sand to enable the molding sand to leak out from the sand outlet 33 and to be piled up in front of the rotation direction of the grinding wheel 4, so that the grinding wheel 4 is more convenient for grinding the molding sand.
Further, the squeegee 32 is V-shaped.
It will be appreciated that the V-shape is more conducive to the sand scraper 32 gathering the sand.
Further, the retaining ring 31 is fixedly connected with a side scraper 34, and the side scraper 34 is attached to the side wall of the sand mixing bin 1.
It will be appreciated that the scraping of the sand on the side walls of the mixing bin 1 by the side blades 34 further increases the mixing effect and reduces the discharge residue.
In some possible ways, two ends of the grinding wheel 4 are straddled with a U-shaped frame, the U-shaped frame is fixedly connected to the rotating shaft of the grinding wheel 4 around the rotating shaft, and one side of the U-shaped frame, which is located in front of the rotating direction of the grinding wheel 4, is fixedly connected to the sand scraping plate 32. The side scraping plate 34 is a rectangular plate from the upper end to the lower end of the sand mixing bin 1 and is fixedly connected to the retaining ring 31.
As another specific embodiment of the casting high-efficiency sand mixer, a jolt-squeeze hammer 41 is installed in a grinding wheel 4, the jolt-squeeze hammer 41 is rotatably installed in the grinding wheel 4, and the jolt-squeeze hammer 41 is connected with the grinding wheel 4 through a one-way bearing.
In combination with a specific use scene, the one-way bearing enables the jolt-squeeze hammer 41 to freely rotate in one direction, when the jolt-squeeze hammer 41 is positioned below, the bearing is blocked in one direction, the jolt-squeeze hammer 41 is driven to rotate by rotation of the grinding wheel 4, when the jolt-squeeze hammer 41 rotates to fall from the upper part, the bearing rotates, the jolt-squeeze hammer 41 freely falls, downward vibration is formed on the grinding wheel 4, and a better rolling effect is formed.
In some possible ways, a supporting frame with a center concentric with the grinding wheel 4 is installed in the grinding wheel 4, the jolt hammer 41 is fan-shaped, and the center of the jolt hammer 41 is rotatably connected with the concentric ring on the supporting frame through a one-way bearing.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a casting is with high-efficient sand mixer which characterized in that includes:
the sand mixing bin (1), wherein the sand mixing bin (1) is a cylindrical bin;
the mounting column (2) is fixedly arranged at the center of the sand mixing bin (1);
the rotary disc (3) is rotatably arranged at the top of the mounting column (2);
the grinding wheels (4), the two grinding wheels (4) are rotatably arranged at two sides of the rotary disc (3);
the stirring shafts (5) are rotatably arranged on two sides of the rotary disc (3), the stirring shafts (5) and the grinding wheels (4) are sequentially and uniformly arranged at intervals, one end of each stirring shaft (5) positioned in the rotary disc (3) is fixedly connected with a rotation bevel gear (51), and the stirring shafts (5) are arranged at the bottom of the sand mixing bin (1);
the fixed bevel gear (52) is meshed with the self-rotation bevel gear (51), and the fixed bevel gear (52) penetrates through the rotary disc (3) and is fixedly connected to the top of the sand mixing bin (1);
the output end of the main driving motor (6) penetrates through the mounting column (2) from the bottom of the sand mixing bin (1) and is fixedly connected to the rotary disc (3);
wherein, both ends of the sand mixing bin (1) are respectively provided with a feed inlet, a discharge outlet and a water filling port.
2. The efficient sand mixer for casting according to claim 1, wherein: the rotary disc (3) is fixedly connected with a retaining ring (31), the outer side face of the retaining ring (31) is attached to the inner side wall of the sand mixing bin (1), and the stirring shaft (5) is rotatably installed on the retaining ring (31).
3. The efficient sand mixer for casting according to claim 2, wherein: the rotary disc (3) is fixedly connected with a sand scraping plate (32), and the sand scraping plate (32) is attached to the bottom of the sand mixing bin (1).
4. A high efficiency sand mixer for casting according to claim 3, characterized in that: the sand scraping plate (32) is arranged in front of the rolling wheel (4) in the rotating direction, and a sand outlet (33) is formed in the upper side of the position, right in front of the rolling wheel (4), of the sand scraping plate (32).
5. The efficient sand mixer for casting according to claim 4, wherein: the scraping plate (32) is V-shaped.
6. The efficient sand mixer for casting according to claim 5, wherein: the retention ring (31) is fixedly connected with a side scraping plate (34), and the side scraping plate (34) is attached to the side wall of the sand mixing bin (1).
7. The efficient sand mixer for casting according to claim 1, wherein: the utility model discloses a grinding wheel, including grinding wheel (4), install jolt rammer (41) in grinding wheel (4), jolt rammer (41) rotationally install in grinding wheel (4), jolt rammer (41) with be connected through one-way bearing between grinding wheel (4).
8. The efficient sand mixer for casting according to claim 2, wherein: an auxiliary plate (35) is arranged in the rotary disc (3), and the stirring shaft (5) is rotatably arranged on the auxiliary plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042149.0U CN219520406U (en) | 2023-01-05 | 2023-01-05 | Casting is with high-efficient sand mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042149.0U CN219520406U (en) | 2023-01-05 | 2023-01-05 | Casting is with high-efficient sand mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219520406U true CN219520406U (en) | 2023-08-15 |
Family
ID=87582142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320042149.0U Active CN219520406U (en) | 2023-01-05 | 2023-01-05 | Casting is with high-efficient sand mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219520406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118357418A (en) * | 2024-06-19 | 2024-07-19 | 新乡市瑞友特机械技术有限公司 | Pig iron foundry goods molding sand agitating unit |
-
2023
- 2023-01-05 CN CN202320042149.0U patent/CN219520406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118357418A (en) * | 2024-06-19 | 2024-07-19 | 新乡市瑞友特机械技术有限公司 | Pig iron foundry goods molding sand agitating unit |
| CN118357418B (en) * | 2024-06-19 | 2024-10-18 | 新乡市瑞友特机械技术有限公司 | Pig iron foundry goods molding sand agitating unit |
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