CN110076288A - A kind of mechanical regenerated sand grains strigil of old sand - Google Patents
A kind of mechanical regenerated sand grains strigil of old sand Download PDFInfo
- Publication number
- CN110076288A CN110076288A CN201910360868.5A CN201910360868A CN110076288A CN 110076288 A CN110076288 A CN 110076288A CN 201910360868 A CN201910360868 A CN 201910360868A CN 110076288 A CN110076288 A CN 110076288A
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- Prior art keywords
- sand
- friction
- grinding chamber
- mill
- fine grinding
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- 239000004576 sand Substances 0.000 title claims abstract description 165
- 238000000227 grinding Methods 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 65
- 238000003756 stirring Methods 0.000 claims abstract description 40
- 239000002313 adhesive film Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims description 13
- 230000003247 decreasing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 210000000515 tooth Anatomy 0.000 description 14
- 239000003110 molding sand Substances 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000007528 sand casting Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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"
-
- 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
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of mechanical regenerated sand grains strigils of old sand, including the case that rubs, friction case upper interior is provided with corase grinding chamber and fine grinding chamber, friction case lower inner is provided with sorting chamber, discharge port is provided between sorting chamber and fine grinding chamber, shaft is socketed between corase grinding chamber and fine grinding chamber, motor is installed on friction roof box, the output axis connection shaft of motor, the two sides of motor are equipped with old sand entrance, the inner wall for roughly grinding chamber installs multiple fixed frottons, multiple stirring rod are installed in shaft at corase grinding chamber, friction chamber interior wall at corase grinding chamber is socketed with electrothermal tube, mill is socketed in shaft at fine grinding chamber, friction teeth is installed between the outer wall and fine grinding cavity wall of mill.Electrothermal tube heats sand material, so that adhesive film heating is easier to be rubbed, shaft drives stirring rod rotation, sand material is stirred, sand material thermally equivalent, and sand grains is roughly ground, the sand material after corase grinding glides along mill and fine grinding cavity wall, shaft moves mill rotation, so that friction teeth carries out power friction to sand grains.
Description
Technical field
The present invention relates to sand casting technical field, specially a kind of mechanical regenerated sand grains strigil of old sand.
Background technique
In sand casting, 1 ton of casting of every production will generate 1~7 ton of used old sand, and old sand generally goes through mechanical regeneration
It recycles, needs when regeneration the failed adhensive membrane removing of sand grain surface that it is made substantially to restore the performance of roughing sand, mesh
It is preceding be all make sand material mutually hit, shear in shell by vibrator, rubbing reaches removing to be wrapped in old sand grain surface residual
The purpose of adhesive film is stayed, still, the phase mutual friction between sand grains is fully relied in vibration friction, friction dynamics are small, need to grow
Time friction could remove that remaining binder film, low efficiency, and friction dynamics are small to be not easy to do remaining binder thin-film friction
Only, thus it is proposed that a kind of mechanical regenerated sand grains strigil of old sand is for solving the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of mechanical regenerated sand grains strigils of old sand, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of mechanical regenerated sand grains strigil of old sand, packet
Friction case is included, the friction case upper interior is provided with corase grinding chamber and fine grinding chamber, and the corase grinding chamber is connected with fine grinding chamber, described to rub
It wipes case lower inner and is provided with sorting chamber, discharge port, the corase grinding top of chamber and fine grinding chamber are provided between the sorting chamber and fine grinding chamber
Turning set switches through axis between bottom, motor is fixedly mounted on the friction roof box, the output shaft of the motor is through friction case top
Portion is simultaneously fixedly connected with shaft, and old sand entrance and fresh sand entrance, the corase grinding are respectively equipped on the friction case of the two sides of the motor
Multiple fixed frottons are fixedly mounted in the inner wall of chamber, and multiple stirring rod, the stirring is fixedly mounted in the shaft at the corase grinding chamber
Stick and fixed frotton are interspersed, and electrothermal tube is socketed in the friction chamber interior wall at the corase grinding chamber, is turned at the fine grinding chamber
It is fixedly attached mill on axis, staggered friction teeth is installed between the outer wall and fine grinding cavity wall of the mill, in the sorting chamber
Sieve plate is installed, is provided with discharge port on the friction case of the sorting chamber bottom.
Preferably, the fixed frotton and stirring rod are uniformly distributed along the axis direction of shaft multiple rows of, and the number of every row
Amount is four, and the fixation frotton and stirring rod of adjacent two rows are interspersed, and stirring rod is rotated by shaft so that sand material is thick
Frotton is fixed when falling in mill chamber and stirring rod repeatedly stirs, so that the mutual collision friction of sand material is roughly ground.
Preferably, it is fixedly mounted mixing strut on the fixed frotton and stirring rod outer wall, the fixed frotton and stirs
The mixing strut mixed on stick is interlaced, and mixing strut outer wall is fixed with multiple friction blocks, so that sand material and mixing strut
It relatively moves, further rub sand material, and the abrasive block is spherical diamond dust, carries out slightly in sand material moving process to it
Mill.
Preferably, the top of the mill is conical structure, and lower section is up big and down small frustum cone structure, and the fine grinding chamber is
The frustum cone structure below mill is matched, so that sand material is slided at the top of mill at fine grinding cavity wall, and downward by frustum cone structure
It slides, the friction teeth interleaved is mounted at the frustum cone structure of mill and fine grinding chamber, and the friction on mill and fine grinding chamber
Space width gradually successively decreases from mill top-to-bottom, becomes more smart by the friction teeth friction that spacing is successively decreased during the downslide of sand material
Carefully, the adhesive film of sand grain surface is rubbed completely.
Preferably, there are four the material-dropping hole is uniformly distributed along the circumferencial direction of shaft, the fixed peace in the bottom of the mill
Equipped with driver plate, the sand material after fine grinding is pushed in material-dropping hole by driver plate.
Preferably, the sieve plate is the vibrating screen of inclination installation, convenient for by sand material screen point, rubbed tiny sand grains falls
Sorting chamber is fallen on, and is collected by discharge port, the friction bottom portion is fixedly installed with supporting leg.
Preferably, it is fixedly attached feed back pipe on the friction case at the sieve plate, is consolidated on the friction box outer wall by bracket
Dingan County fills conveying pipeline, and the feed back pipe is connected to the bottom outer wall of conveying pipeline, is equipped with helical orbit in the conveying pipeline, described defeated
The top exterior walls of expects pipe are fixedly attached discharge nozzle, and the discharge nozzle is located at right above old sand entrance, by what is do not rubbed on sieve plate
Bulky grain sand material flows into conveying pipeline by feed back pipe, is sent into friction case again by discharge nozzle and old sand entrance by helical orbit
It rubs again, circulation friction makes it meet standard.
Preferably, the driving motor of driving helical orbit, the bottom of the conveying pipeline are installed at the top of the conveying pipeline
Outer wall also fixing sleeve is connected to commissioning pipe, is sent to old sand entrance convenient for putting into old sand in delivery pipe.
Compared with prior art, the beneficial effects of the present invention are: being heated by electrothermal tube to sand material, so that adhesive film
Heating is easier to be rubbed；Stirring rod rotation, to be stirred for sand material, so that old sand and fresh sand are uniformly mixed and keep sand material equal
It is even heated, occur also to collide between opposite collision, sand grains and stirring rod and fixed frotton and mixing strut between sand material, thus right
Sand grains is roughly ground；Mill rotation, so that sand grains is during mill and fine grinding cavity wall downslide, mill is rotated so that friction teeth
Relatively move, to carry out power friction to sand grains, friction efficiency is high, and the friction space width on mill and fine grinding chamber from
Mill top-to-bottom is gradually successively decreased, and sand material is become by the friction teeth friction that spacing is successively decreased more finely, by sand grains during gliding
The adhesive film on surface rubs completely；Sand material after fine grinding, which is fallen on sieve plate, to be screened, the sand material partial size after meeting friction
Molding sand falls collection by discharge port, and the bulky grain molding sand that bonding agent does not rub completely flows back to conveying pipeline by feed back pipe, thus
The sand grains grain for being again fed to old sand entrance engaging friction case and carrying out circulation friction, guarantee that final sand grains is met the requirements, and flow back
Diameter is smaller than old sand, potentially acts as the abrasive material of old sand in circulation friction process, removes surface convenient for phase mutual friction between sand material when corase grinding
Adhesive film.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 in the present invention；
Fig. 3 is structural schematic diagram at mill of the present invention.
In figure: 1 friction case, 2 corase grinding chambers, 3 fine grinding chambers, 4 sorting chambers, 5 material-dropping holes, 6 shafts, 7 motors, 8 fixed frottons, 9
Stirring rod, 10 electrothermal tubes, 11 mills, 12 friction teeths, 13 driver plates, 14 sieve plates, 15 discharge ports, 16 supporting legs, 17 delivery pipes, 18 spirals
Track, 19 feed back pipes, 20 commissioning pipes, 21 discharge nozzles, 22 old sand entrances, 23 fresh sand entrances, 24 mixing struts, 25 friction blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of mechanical regenerated sand grains strigil of old sand, including
Rub case 1, and friction 1 upper interior of case is provided with corase grinding chamber 2 and fine grinding chamber 3, and corase grinding chamber 2 is connected with fine grinding chamber 3, rubs under case 1
Side is internal to be provided with sorting chamber 4, and discharge port 5 is provided between sorting chamber 4 and fine grinding chamber 3, is turned between 2 top of corase grinding chamber and fine grinding 3 bottom of chamber
It is dynamic to be socketed shaft 6, motor 7 is fixedly mounted on 1 top plate of case that rubs, the output shaft of motor 7 at the top of friction case 1 and is fixedly connected
Shaft 6, old sand entrance 22 and fresh sand entrance 23 are respectively equipped on the friction case 1 of the two sides of motor 7, and the inner wall of corase grinding chamber 2 is fixed
Multiple fixed frottons 8 are installed, roughly grinds and multiple stirring rod 9 is fixedly mounted in the shaft 6 at chamber 2, stirring rod 9 and fixed frotton 8 are handed over
Mistake distribution, roughly grinds and is socketed with electrothermal tube 10 in 1 inner wall of friction case at chamber 2, refines and is fixedly attached mill in the shaft 6 at chamber 3
11, staggered friction teeth 12 is installed between the outer wall and fine grinding 3 inner wall of chamber of mill 11, sieve plate 14 is installed in sorting chamber 4, is sorted
Discharge port 15 is provided on the friction case 1 of 4 bottom of chamber.After in sand material engaging friction case 1, electrothermal tube 10 heats sand material, makes
It obtains adhesive film heating to be easier to be rubbed, motor 7 drives shaft 6 to rotate, and shaft 6 drives the rotation of stirring rod 9, to be sand material
It is stirred, so that sand material thermally equivalent, and stirring rod 9 and fixed frotton 8 are interlaced to the stirring of sand material, so that being sent out between sand material
Raw opposite collision, sand grains and stirring rod 9 and fixed frotton 8 also collide, to roughly grind to sand grains, the sand material after corase grinding
It flowing at fine grinding 3 inner wall of chamber along mill 11 and glides along mill 11 and fine grinding 3 inner wall of chamber, shaft 6 moves the rotation of mill 11, so that
During mill 11 and fine grinding 3 inner wall of chamber downslide, mill 11 rotates so that friction teeth 12 relatively moves, thus right sand grains
Sand grains carries out power friction, and residual bonding agent bending is rubbed, is fallen on sieve plate 14 after screening eventually by material-dropping hole 5 by going out
Material mouth 15 is collected.
Fixed frotton 8 and stirring rod 9 are uniformly distributed along the axis direction of shaft 6 multiple rows of, and the quantity of every row is four,
The fixation frotton 8 and stirring rod 9 of adjacent two rows are interspersed, and stirring rod 9 is rotated by shaft 6 so that sand material is in corase grinding chamber 2
Frotton 8 and stirring rod more than 9 times stirrings are fixed when interior whereabouts, so that sand material is uniformly mixed, is heated evenly, so that sand material mutually touches
Friction is hit to be roughly ground.
Mixing strut 24 is fixedly mounted on fixed frotton 8 and 9 outer wall of stirring rod, it is mixed on fixed frotton 8 and stirring rod 9
Expect that strut 24 is interlaced, and 24 outer wall of mixing strut is fixed with multiple friction blocks 25, so that sand material and mixing strut 24 are sent out
Raw relative movement, further rub sand material, and abrasive block 25 is spherical diamond dust, roughly grinds in sand material moving process to it.
The top of mill 11 is conical structure, and lower section is up big and down small frustum cone structure, and fine grinding chamber 3 is under matching mill 11
The frustum cone structure of side rubs so that sand material is slided at the top of mill 11 at fine grinding 3 inner wall of chamber, and is slid downwards by frustum cone structure
It wipes 12 interleaved of tooth to be mounted at the frustum cone structure of mill 11 and fine grinding chamber 3, and the friction teeth 12 on mill 11 and fine grinding chamber 3
Spacing is gradually successively decreased from 11 top-to-bottom of mill, and sand material, which is rubbed during gliding by the friction teeth 12 that spacing is successively decreased, becomes more smart
Carefully, the adhesive film of sand grain surface is rubbed completely.
There are four material-dropping hole 5 is uniformly distributed along the circumferencial direction of shaft 6, the bottom of mill 11 is fixedly installed with driver plate 13,
Sand material after fine grinding is pushed in material-dropping hole 5 by driver plate 13.
Sieve plate 14 is the vibrating screen of inclination installation, convenient for by sand material screen point, rubbed tiny sand grains falls to sorting
Chamber 4, and collected by discharge port 15, friction 1 bottom of case is fixedly installed with supporting leg 16.
It is fixedly attached feed back pipe 19 on friction case 1 at sieve plate 14, is fixed by the bracket installation conveying on 1 outer wall of case that rubs
Pipe 17, feed back pipe 19 are connected to the bottom outer wall of conveying pipeline 17, are equipped with helical orbit 18, the top of conveying pipeline 17 in conveying pipeline 17
Outer wall is fixedly attached discharge nozzle 21, and discharge nozzle 21 is located at right above old sand entrance 22, the bulky grain that will not rub on sieve plate 14
Sand material flows into conveying pipeline 17 by feed back pipe 19, is rubbed by helical orbit 18 again by discharge nozzle 21 and the feeding of old sand entrance 22
It wipes case 1 to rub again, circulation friction makes it meet standard.
The top of conveying pipeline 17 is equipped with the driving motor of driving helical orbit 18, and the bottom outer wall of conveying pipeline 17 is also fixed
It is socketed with commissioning pipe 20, is sent to old sand entrance 22 convenient for putting into old sand in delivery pipe 17.
Working principle: the present invention is in use, poured into old sand in conveying pipeline 17 by feeding port 20, helical orbit 18 will be old
Sand is transported at discharge nozzle 21 to pass through in 22 engaging friction case 1 of old sand entrance, and at the beginning, passes through fresh sand entrance 23
A small amount of fresh sand is added into friction case 1, so that fresh sand serves as abrasive material and rubs to old sand；After in sand material engaging friction case 1,
Electrothermal tube 10 heats sand material, so that adhesive film heating is easier to be rubbed, motor 7 drives shaft 6 to rotate, shaft 6
Stirring rod 9 is driven to rotate, thus be stirred for sand material, so that old sand and fresh sand are uniformly mixed and make sand material thermally equivalent, and
Stirring rod 9 and fixed frotton 8 is interlaced stirs to sand material, so that opposite collision, sand grains and stirring rod 9 and solid occur between sand material
Determine frotton 8 also to collide, to roughly grind sand grains, the sand material after corase grinding flows at fine grinding 3 inner wall of chamber simultaneously along mill 11
It glides along mill 11 and fine grinding 3 inner wall of chamber, shaft 6 moves the rotation of mill 11, so that sand grains is under mill 11 and fine grinding 3 inner wall of chamber
During cunning, mill 11 rotates so that friction teeth 12 relatively moves, to carry out power friction, and 11 He of mill to sand grains
12 spacing of friction teeth on fine grinding chamber 3 is gradually successively decreased from 11 top-to-bottom of mill, what sand material was successively decreased during gliding by spacing
The friction of friction teeth 12 becomes finer, and the adhesive film of sand grain surface is rubbed completely, and then sand material falls on fine grinding 3 bottom of chamber,
Sand material is swept into material-dropping hole 5 by the driver plate 13 of 11 bottom of mill, and the sand material after fine grinding, which is fallen on sieve plate 14, to be screened, and meets friction
The molding sand of sand material partial size afterwards falls collection by discharge port 15, and the bulky grain molding sand that bonding agent does not rub completely passes through feed back pipe
19 flow back to conveying pipeline 17, so that being again fed to 22 engaging friction case 1 of old sand entrance carries out circulation friction, guarantee that final sand grains is full
Foot requires, and the sand grains partial size to flow back is smaller than old sand, is roughly ground in the abrasive material that circulation friction process potentially acts as old sand.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of mechanical regenerated sand grains strigil of old sand, including friction case (1), it is characterised in that: above the friction case (1)
Inside is provided with corase grinding chamber (2) and fine grinding chamber (3), and the corase grinding chamber (2) is connected with fine grinding chamber (3), below the friction case (1)
Inside is provided with sorting chamber (4), is provided with discharge port (5) between the sorting chamber (4) and fine grinding chamber (3), at the top of the corase grinding chamber (2) with
Turning set switches through axis (6) between fine grinding chamber (3) bottom, motor (7) is fixedly mounted on friction case (1) top plate, the motor (7)
Output shaft through friction case (1) at the top of and be fixedly connected shaft (6), on the friction case (1) of the two sides of the motor (7) respectively
Equipped with old sand entrance (22) and fresh sand entrance (23), multiple fixed frottons (8), institute is fixedly mounted in the inner wall of corase grinding chamber (2)
It states and is fixedly mounted multiple stirring rod (9) in the shaft (6) at corase grinding chamber (2), the stirring rod (9) and fixed frotton (8) are staggeredly
It is distributed, is socketed with electrothermal tube (10) in friction case (1) inner wall at corase grinding chamber (2), the shaft at fine grinding chamber (3)
(6) it is fixedly attached on mill (11), staggered friction teeth is installed between the outer wall and fine grinding chamber (3) inner wall of the mill (11)
(12), it is equipped with sieve plate (14) in the sorting chamber (4), is provided with discharge port on the friction case (1) of sorting chamber (4) bottom
(15).
2. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 1, it is characterised in that: the fixed frotton
(8) and stirring rod (9) is uniformly distributed along the axis direction of shaft (6) multiple rows of, and the quantity of every row is four, adjacent two rows of
Fixed frotton (8) and stirring rod (9) are interspersed, and stirring rod (9) is rotated by shaft (6) so that sand material is in corase grinding chamber (2)
It is fixed frotton (8) when interior whereabouts and stirring rod (9) repeatedly stirs, so that the mutual collision friction of sand material is roughly ground.
3. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 1, it is characterised in that: the fixed frotton
(8) and on stirring rod (9) outer wall it is fixedly mounted mixing strut (24), the mixing on the fixed frotton (8) and stirring rod (9)
Strut (24) is interlaced, and mixing strut (24) outer wall is fixed with multiple friction blocks (25), so that sand material and mixing strut
(24) it relatively moves, further rub sand material, and the abrasive block (25) is spherical diamond dust, right in sand material moving process
It is roughly ground.
4. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 1, it is characterised in that: the mill (11)
Top be conical structure, lower section be up big and down small frustum cone structure, it is described fine grinding chamber (3) be matching mill (11) below circle
Platform structure, so that sand material is slided at the top of mill (11) at fine grinding chamber (3) inner wall, and is slid downwards by frustum cone structure, it is described
Friction teeth (12) interleaved is mounted at mill (11) and the frustum cone structure of fine grinding chamber (3), and mill (11) and fine grinding chamber (3)
On friction teeth (12) spacing gradually successively decrease from mill (11) top-to-bottom, the friction successively decreased by spacing during sand material glides
Tooth (12) friction becomes finer, and the adhesive film of sand grain surface is rubbed completely.
5. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 1, it is characterised in that: the material-dropping hole
(5) there are four the circumferencial direction along shaft (6) is uniformly distributed, the bottom of the mill (11) is fixedly installed with driver plate (13), will
Sand material after fine grinding is pushed in material-dropping hole (5) by driver plate (13).
6. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 1, it is characterised in that: the sieve plate (14)
For the vibrating screen of inclination installation, convenient for by sand material screen point, rubbed tiny sand grains is fallen to sorting chamber (4), and passes through and
Material mouth (15) is collected, and friction case (1) bottom is fixedly installed with supporting leg (16).
7. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 1, it is characterised in that: the sieve plate (14)
It is fixedly attached feed back pipe (19) on the friction case (1) at place, is fixed by the bracket installation conveying pipeline on friction case (1) outer wall
(17), the bottom outer wall of feed back pipe (19) connection conveying pipeline (17), the conveying pipeline (17) is interior to be equipped with helical orbit
(18), the top exterior walls of the conveying pipeline (17) are fixedly attached discharge nozzle (21), and the discharge nozzle (21) is located at old sand entrance
(22) right above, the bulky grain sand material not rubbed on sieve plate (14) is flowed into conveying pipeline (17) by feed back pipe (19), is passed through
Helical orbit (18) is sent into friction case (1) again by discharge nozzle (21) and old sand entrance (22) and rubs again, and circulation friction makes
It meets standard.
8. the mechanical regenerated sand grains strigil of a kind of old sand according to claim 7, it is characterised in that: the conveying pipeline
(17) driving motor of driving helical orbit (18) is installed, the bottom outer wall of the conveying pipeline (17) is also fixedly attached at the top of
There are commissioning pipe (20), convenient for old sand entrance (22) will be sent in old sand investment delivery pipe (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360868.5A CN110076288A (en) | 2019-04-30 | 2019-04-30 | A kind of mechanical regenerated sand grains strigil of old sand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910360868.5A CN110076288A (en) | 2019-04-30 | 2019-04-30 | A kind of mechanical regenerated sand grains strigil of old sand |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659851A (en) * | 2020-06-04 | 2020-09-15 | 安徽银力铸造有限公司 | Automatic two-way foundry casting device of clean formula |
| CN111995252A (en) * | 2020-09-11 | 2020-11-27 | 重庆鸽牌电瓷有限公司 | Red glaze and preparation method thereof |
| CN112620578A (en) * | 2020-12-02 | 2021-04-09 | 温州大学激光与光电智能制造研究院 | Molding sand mould makes uses mulling device |
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