CN110125330A - A kind of wearability steel ball casting molding sand grinding device - Google Patents
A kind of wearability steel ball casting molding sand grinding device Download PDFInfo
- Publication number
- CN110125330A CN110125330A CN201910447333.1A CN201910447333A CN110125330A CN 110125330 A CN110125330 A CN 110125330A CN 201910447333 A CN201910447333 A CN 201910447333A CN 110125330 A CN110125330 A CN 110125330A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- tank body
- abrasive sheet
- molding sand
- ring
- Prior art date
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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
- 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"
- B22C5/0427—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 only one vertical tool-driving shaft
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to casting technology fields, and disclose a kind of wearability steel ball casting molding sand grinding device, including tank body, abrasive sheet, fixed plate and ring block, fixed plate is fixedly connected with the inner wall of tank body, the upper end of fixed plate offers the groove of ring structure, the lower end of abrasive sheet extends in groove and connects at the slot bottom of groove, inclination offers multiple strip grooves at the slot bottom of groove, multiple strip grooves are distributed in a ring, run through at the slot bottom of strip groove and offers multiple material passing passages, the upper and lower ends of abrasive sheet, which run through, offers multiple equally distributed through-holes, multiple through-hole circular array distributions, the upper end inclination of abrasive sheet offers multiple relief holes, multiple relief holes are distributed in a ring.The advantages that wearability steel ball casting molding sand grinding device, can effectively improve grinding rate, and processing capacity is stronger, it is also possible that grinding after molding sand epigranular, the simultaneous grinding time is short, reuse it is at low cost.
Description
Technical field
The present invention relates to casting technology field, specially a kind of wearability steel ball casting molding sand grinding device.
Background technique
Molding sand is used to the material of moulding in casting.Molding sand is generally by Foundry sand, moulding sand binder and additional thing etc.
Modeling Material mixes according to a certain percentage.Molding sand is different by binder used, can be divided into clay-bonded sand, water-glass sand, cement
Sand, resin sand etc..With the most of clay-bonded sand, water-glass sand and resin sand.Effect of the molding sand in Foundry Production is particularly important,
Legacy sand is charged in cylinder of milling in industry and is handled, cylinder ceaselessly rotates by milling, so that legacy sand and cylinder of milling
Between generate rubs mutually be in rolling contact, by using this technology reuse legacy sand.
It is handled currently, legacy sand is charged in cylinder of milling in industry, by milling, cylinder ceaselessly rotates, so that old
Rubs mutually is generated between molding sand and cylinder of milling to be in rolling contact, and achievees the purpose that reuse legacy sand, but existing molding sand
Grinding device, grinding rate is slower, and processing capacity is weaker, and single, which adds more legacy sand, can make molding sand dynamics uneven
It is even, and need to reach for a long time the granularity of requirement, increase the cost of legacy sand recycling.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of wearability steel ball casting molding sand grinding device, have
Grinding rate is very fast, and processing capacity is stronger, and grinding rear profile fineness of sand is uniform, and the used time is short, reuses the advantages that at low cost, solves
Existing molding sand grinding device, grinding rate is slower, and processing capacity is weaker, single, which adds more legacy sand, to be made
Molding sand dynamics is uneven, and needs to reach for a long time the granularity of requirement, increases the recycling of legacy sand
The problem of cost.
(2) technical solution
In order to achieve the above object, the invention provides the following technical scheme: a kind of wearability steel ball casting is ground with molding sand
Device, including tank body, abrasive sheet, fixed plate and ring block, the fixed plate are fixedly connected with the inner wall of tank body, the fixed plate
Upper end offer the groove of ring structure, the lower end of the abrasive sheet extend in groove and with the company of contact at the slot bottom of groove
It connects, inclination offers multiple strip grooves at the slot bottom of the groove, and multiple strip grooves are distributed in a ring, the strip groove
Through multiple material passing passages are offered at slot bottom, the upper and lower ends of the abrasive sheet are multiple equally distributed logical through offering
Hole, multiple through-hole circular array distributions, the upper end inclination of the abrasive sheet offer multiple relief holes, multiple rows
Material hole is distributed in a ring, and the place open at one end of the relief hole is connected to the upper end of abrasive sheet, and the other end of the relief hole is opened
It is connected at mouthful with the edge of abrasive sheet, the lower end of the fixed plate is connected to support tube, the support tube by circular hole sliding sleeve
Upper end pass through circular hole and be fixedly connected at the lower end center of abrasive sheet, the lower end of the support tube passes through rolling bearing and tank
The lower end inner wall of body is rotatablely connected, and the lower end of the support tube passes through rolling bearing and is fixedly connected with blow-off valve, the support
First bevel gear is fixedly connected on the tube wall of pipe, the lower end of the tank body is fixedly connected with motor, the output end of the motor
It is fixedly connected with second bevel gear, the first bevel gear is engaged with second bevel gear, and the upper end of the tank body offers charging
Mouthful, the lower end of the tank body is fixedly connected with multiple equally distributed support columns.
Preferably, the tube wall of the support tube is slidably socketed with ring block, and the upper end of the ring block offers ring junction
The stock chest of structure offers multiple rectangular apertures at the slot bottom of the stock chest, is fixedly connected in multiple rectangular apertures
There is filter plate, the left and right sides of the tank body passes through rectangular through-hole sliding sleeve and is connected to rectangular tube, and two rectangular tubes are opposite
One end nozzle at both pass through rectangular through-hole and be fixedly connected at left and right sides of ring block, at the nozzle of the rectangular tube with storage
Hopper is connected to, and is fixedly connected with eccentric wheel, the side of the eccentric wheel and the interior sideslip of ring block on the tube wall of the support tube
Dynamic connection.
Preferably, drive rod, the drive rod are fixedly connected on tube wall on the right side of the lower end of one of them rectangular tube
Left end lower lateral rods wall on be fixedly connected with tension spring, the tension spring is fixedly connected with link block far from one end of drive rod, described
Link block is fixedly connected with the lower end inner wall of tank body.
Preferably, sliding sleeve is connected to annular slab on the tube wall of the support tube, is loudspeaker at the upper end opening of the annular slab
Shape structure, the upper end of the annular slab and the lower end of ring block are slidably connected, the lower end of the annular slab and the lower end of tank body
Inner wall is fixedly connected, and the discharge gate of rectangular configuration is offered on the tube wall of the support tube.
Preferably, the upper end inner left wall of the tank body is hinged with baffle by hinge, and the lower end of the baffle passes through axis
Pin is rotatably connected to mandril, and the left end upper inside walls of the tank body offer T-type sliding slot, slidably connect T in the T-type sliding slot
One end of type sliding block, the mandril is rotatablely connected by the side of pin and T-type sliding block, and spring, institute are equipped in the T-type sliding slot
The one end for stating spring is fixedly connected with the side of T-type sliding block, and the other end of the spring is fixedly connected with the side of T-type sliding slot.
Preferably, the upper end inner wall of the tank body is fixedly connected with support rod, and the lower end of the support rod is fixedly connected with
The upper-end contact of refining plate, the refining plate and abrasive sheet connects, and the upper end of the abrasive sheet is fixedly connected with retaining ring.
Preferably, the left and right sides of the tank body tilts and is fixedly connected with deflector, and two deflectors distinguish position
In the lower section of two rectangular tubes.
Preferably, the inclined surface of ring structure is offered at the notch of the groove.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of wearability steel ball casting molding sand grinding device, have following
The utility model has the advantages that
1, the wearability steel ball casting molding sand grinding device is put into legacy sand by the baffle being equipped with out of feed inlet,
Legacy sand squeezes baffle, and dam forces, which squeeze mandril, keeps T-type sliding block mobile, and T-type sliding block is mobile to squeeze spring contraction, so as to
Feed inlet is stopped, avoids forming fugitive dust when charging, starts motor, motor rotation drives second bevel gear to make the first cone tooth
Wheel rotation first bevel gear rotation drives support tube to rotate abrasive sheet, and refining plate is opposite on abrasive sheet when abrasive sheet rotates
It moves in a circle, so as to fall the legacy sand on abrasive sheet in strip groove from through-hole, the molding sand in strip groove is into mistake
It is fallen out of material passing passage into stock chest after abrasive sheet grinding, the legacy sand of larger particles is discharged out of relief hole on abrasive sheet
And enter in groove, it is discharged into stock chest by after the grinding of abrasive sheet by strip groove and material passing passage, so as to fast
Speed grinds legacy sand, and processing capacity is strong, and grinding rate is fast.
2, the wearability steel ball casting molding sand grinding device, by the eccentric wheel being arranged on support tube, eccentric wheel is squeezed
Pressure ring block and rectangular tube move reciprocatingly, so that the molding sand in stock chest enters ring after filter plate screens
In shape plate, the molding sand in annular slab is entered in support tube and is discharged by discharge gate, and biggish molding sand particle exists on filter plate
When ring block moves back and forth, it can be discharged out of two sides rectangular tube, the molding sand particle for collecting discharge rejoins in tank body
It is ground, and then realizes that grinding rate is very fast, and processing capacity is stronger, grinding rear profile fineness of sand is uniform, and the used time is short, repeats benefit
With at low cost.
Detailed description of the invention
Fig. 1 is a kind of wearability steel ball casting molding sand grinding device structural schematic diagram proposed by the present invention；
Fig. 2 is the vertical view knot of fixed plate in a kind of wearability steel ball casting molding sand grinding device Fig. 1 proposed by the present invention
Structure schematic diagram；
Fig. 3 is the vertical view knot of abrasive sheet in a kind of wearability steel ball casting molding sand grinding device Fig. 1 proposed by the present invention
Structure schematic diagram；
Fig. 4 is the vertical view knot of ring block in a kind of wearability steel ball casting molding sand grinding device Fig. 1 proposed by the present invention
Structure schematic diagram.
In figure: 1 tank body, 2 springs, 3T type sliding block, 4 mandrils, 5 baffles, 6 support rods, 7 refining plates, 8T type sliding slot, 9 retaining rings,
10 abrasive sheets, 11 ring blocks, 12 eccentric wheels, 13 stock chests, 14 fixed plates, 15 deflectors, 16 rectangular tubes, 17 annular slabs, 18
One bevel gear, 19 support tubes, 20 second bevel gears, 21 motors, 22 support columns, 23 material passing passages, 24 strip grooves, 25 relief holes,
26 through-holes, 27 filter plates, 28 drive rods, 29 tension springs.
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.
Please refer to Fig. 1-4, a kind of wearability steel ball casting molding sand grinding device, including tank body 1, abrasive sheet 10, fixation
Plate 14 and ring block 11, fixed plate 14 are fixedly connected with the inner wall of tank body 1, and the upper end of fixed plate 14 offers the recessed of ring structure
Slot, the lower end of abrasive sheet 10 extend in groove and connect at the slot bottom of groove, tilt and offer at the slot bottom of groove
Multiple strip grooves 24, multiple strip grooves 24 are distributed in a ring, are run through at the slot bottom of strip groove 24 and are offered multiple material passing passages 23,
The upper and lower ends of abrasive sheet 10 are ground through multiple equally distributed through-holes 26, multiple 26 circular array of through-hole distributions are offered
Nog plate 10 upper end inclination offer multiple relief holes 25, multiple relief holes 25 are distributed in a ring, relief hole 25 it is open at one end
Place is connected to the upper end of abrasive sheet 10, and the other end opening of relief hole 25 is connected to the edge of abrasive sheet 10, fixed plate 14
Lower end support tube 19 is connected to by circular hole sliding sleeve, the upper end of support tube 19 passes through circular hole and the lower end center with abrasive sheet 10
Place is fixedly connected, and the lower end of support tube 19 is rotatablely connected by the lower end inner wall of rolling bearing and tank body 1, the lower end of support tube 19
Across rolling bearing and it is fixedly connected with blow-off valve, first bevel gear 18 is fixedly connected on the tube wall of support tube 19, tank body 1
Lower end is fixedly connected with motor 21, and the output end of motor 21 is fixedly connected with second bevel gear 20, first bevel gear 18 and second
Bevel gear 20 engages, and the upper end of tank body 1 offers feed inlet, and sliding sleeve is connected to annular slab 17 on the tube wall of support tube 19, annular
It is horn-like structure at the upper end opening of plate 17, the upper end of annular slab 17 and the lower end of ring block 11 are slidably connected, annular slab 17
Lower end be fixedly connected with the lower end inner wall of tank body 1, the discharge gate of rectangular configuration, tank body 1 are offered on the tube wall of support tube 19
Lower end be fixedly connected with multiple equally distributed support columns 22.
The tube wall of support tube 19 is slidably socketed with ring block 11, and the upper end of ring block 11 offers the stock chest of ring structure
13, multiple rectangular apertures are offered at the slot bottom of stock chest 13, and filter plate 27, tank body are fixedly connected in multiple rectangular apertures
1 left and right sides passes through rectangular through-hole sliding sleeve and is connected to rectangular tube 16, wears at the opposite one end nozzle of two rectangular tubes 16
It crosses rectangular through-hole and is fixedly connected with the left and right sides of ring block 11, is connected at the nozzle of rectangular tube 16 with stock chest 13, supported
Eccentric wheel 12 is fixedly connected on the tube wall of pipe 19, the side of eccentric wheel 12 and the inside of ring block 11 are slidably connected, wherein one
It is fixedly connected with drive rod 28 on tube wall on the right side of the lower end of a rectangular tube 16, is fixedly connected on the left end lower lateral rods wall of drive rod 28
There is tension spring 29, tension spring 29 is fixedly connected with link block far from one end of drive rod 28, and the lower end inner wall of link block and tank body 1 is fixed
Connection, the upper end inner left wall of tank body 1 are hinged with baffle 5 by hinge, and the lower end of baffle 5 is rotatably connected to mandril by pivot pin
4, the left end upper inside walls of tank body 1 offer T-type sliding slot 8, and T-type sliding block 3, one end of mandril 4 are slidably connected in T-type sliding slot 8
It is rotatablely connected by the side of pin and T-type sliding block 3, spring 2, one end and the T-type sliding block 3 of spring 2 is equipped in T-type sliding slot 8
Side is fixedly connected, and the other end of spring 2 is fixedly connected with the side of T-type sliding slot 8, and the upper end inner wall of tank body 1 is fixedly connected with
Support rod 6, the lower end of support rod 6 are fixedly connected with refining plate 7, and refining plate is connect with the upper-end contact of abrasive sheet 10, abrasive sheet
10 upper end is fixedly connected with retaining ring 9, and the left and right sides of tank body 1, which tilts, is fixedly connected with deflector 15, two deflectors 15
It is located at the lower section of two rectangular tubes 16, the inclined surface of ring structure is offered at the notch of groove.
In conclusion the wearability steel ball casting molding sand grinding device, in use, legacy sand is put into out of feed inlet,
Legacy sand squeezes baffle 5, and 5 stress of baffle, which squeezes mandril 4, keeps T-type sliding block 3 mobile, and the mobile spring 2 that squeezes of T-type sliding block 3 is shunk, from
And feed inlet can be stopped, it avoids forming fugitive dust when charging, starts motor 21, the rotation of motor 21 drives second bevel gear
20, which make first bevel gear 18 rotate the rotation of first bevel gear 18, drives support tube 19 to rotate abrasive sheet 10, when abrasive sheet 10 rotates
Refining plate 7 is opposite to move in a circle on abrasive sheet 10, so as to fall the legacy sand on abrasive sheet 10 from through-hole 26
In strip groove 24, the molding sand in strip groove 24 is fallen out of material passing passage 23 into stock chest 13 after grinding into abrasive sheet 10 excessively
Interior, the legacy sand of larger particles is escaped and enter out of relief hole 25 into groove on simultaneous grinding plate 10, by abrasive sheet 10
Grinding after discharged into stock chest 13 by strip groove 24 and material passing passage 23, support tube 19 rotate when, eccentric wheel 12 squeeze
Ring block 11 and rectangular tube 16 are mobile, while tension spring 29 pulls drive rod 28 to be bonded ring block 11 with eccentric wheel 12, Jin Ershi
Existing ring block 11 moves reciprocatingly, so that the molding sand in stock chest 13 enters annular after the screening of filter plate 27
In plate 17, the molding sand in annular slab 17 is entered in support tube 19 and is discharged, biggish molding sand on filter plate 27 by discharge gate
Particle can be discharged, the molding sand particle for collecting discharge adds again when ring block 11 moves back and forth out of two sides rectangular tube 16
Enter into tank body 1 and ground, and then realize that grinding rate is very fast, and processing capacity is stronger, grinding rear profile fineness of sand is uniform, uses
When it is short, reuse it is at low cost.
It should be noted that term " includes " or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not clear
The other element listed, or further include for elements inherent to such a process, method, article, or device.Do not having more
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that including process, the side of the element
There is also other identical elements in method, article or equipment.
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 wearability steel ball casting molding sand grinding device, including tank body (1), abrasive sheet (10), fixed plate (14) and ring
Shape block (11), it is characterised in that: the fixed plate (14) is fixedly connected with the inner wall of tank body (1), the fixed plate (14) it is upper
End offers the groove of ring structure, the lower end of the abrasive sheet (10) extend in groove and with the company of contact at the slot bottom of groove
It connects, inclination offers multiple strip grooves (24) at the slot bottom of the groove, and multiple strip grooves (24) are distributed in a ring, described
Through offering multiple material passing passages (23) at the slot bottom of strip groove (24), the upper and lower ends of the abrasive sheet (10), which run through, to be opened up
There are multiple equally distributed through-holes (26), multiple through-hole (26) circular array distributions, the upper end of the abrasive sheet (10)
Inclination offers multiple relief holes (25), and multiple relief holes (25) are distributed in a ring, and one end of the relief hole (25) is opened
It is connected at mouthful with the upper end of abrasive sheet (10), the other end opening of the relief hole (25) and the edge of abrasive sheet (10) connect
Logical, the lower end of the fixed plate (14) is connected to support tube (19) by circular hole sliding sleeve, and the upper end of the support tube (19) passes through
Circular hole and be fixedly connected at the lower end center of abrasive sheet (10), the lower end of the support tube (19) passes through rolling bearing and tank body
(1) lower end inner wall rotation connection, the lower end of the support tube (19) passes through rolling bearing and is fixedly connected with blow-off valve, described
It is fixedly connected on the tube wall of support tube (19) first bevel gear (18), the lower end of the tank body (1) is fixedly connected with motor
(21), the output end of the motor (21) is fixedly connected with second bevel gear (20), the first bevel gear (18) and the second cone
Gear (20) engagement, the upper end of the tank body (1) offer feed inlet, and the lower end of the tank body (1) is fixedly connected with multiple equal
The support column (22) of even distribution.
2. a kind of wearability steel ball casting molding sand grinding device according to claim 1, it is characterised in that: the support
The tube wall of pipe (19) is slidably socketed with ring block (11), and the upper end of the ring block (11) offers the stock chest of ring structure
(13), multiple rectangular apertures are offered at the slot bottom of the stock chest (13), is fixedly connected in multiple rectangular apertures
Filter plate (27), the left and right sides of the tank body (1) pass through rectangular through-hole sliding sleeve and are connected to rectangular tube (16), two squares
Both passed through at the opposite one end nozzle of shape pipe (16) rectangular through-hole and be fixedly connected at left and right sides of ring block (11), the square
It is connected at the nozzle of shape pipe (16) with stock chest (13), is fixedly connected with eccentric wheel (12) on the tube wall of the support tube (19),
It is slidably connected on the inside of the side of the eccentric wheel (12) and ring block (11).
3. a kind of wearability steel ball casting molding sand grinding device according to claim 2, it is characterised in that: one of them
It is fixedly connected with drive rod (28) on tube wall on the right side of the lower end of the rectangular tube (16), the left end lower lateral rods of the drive rod (28)
It is fixedly connected on wall tension spring (29), the tension spring (29) is fixedly connected with link block far from the one end of drive rod (28), described
Link block is fixedly connected with the lower end inner wall of tank body (1).
4. a kind of wearability steel ball casting molding sand grinding device according to claim 1, it is characterised in that: the support
It manages sliding sleeve on the tube wall of (19) to be connected to annular slab (17), is horn-like structure, institute at the upper end opening of the annular slab (17)
The lower end of the upper end and ring block (11) of stating annular slab (17) is slidably connected, lower end and tank body (1) of the annular slab (17)
Lower end inner wall is fixedly connected, and the discharge gate of rectangular configuration is offered on the tube wall of the support tube (19).
5. a kind of wearability steel ball casting molding sand grinding device according to claim 1, it is characterised in that: the tank body
(1) upper end inner left wall is hinged with baffle (5) by hinge, and the lower end of the baffle (5) is rotatably connected to top by pivot pin
The left end upper inside walls of bar (4), the tank body (1) offer T-type sliding slot (8), slidably connect T-type in the T-type sliding slot (8)
One end of sliding block (3), the mandril (4) is rotatablely connected by the side of pin and T-type sliding block (3), in the T-type sliding slot (8)
Equipped with spring (2), one end of the spring (2) is fixedly connected with the side of T-type sliding block (3), the other end of the spring (2) with
The side of T-type sliding slot (8) is fixedly connected.
6. a kind of wearability steel ball casting molding sand grinding device according to claim 1, it is characterised in that: the tank body
(1) upper end inner wall is fixedly connected with support rod (6), and the lower end of the support rod (6) is fixedly connected with refining plate (7), described
Refining plate is connect with the upper-end contact of abrasive sheet (10), and the upper end of the abrasive sheet (10) is fixedly connected with retaining ring (9).
7. a kind of wearability steel ball casting molding sand grinding device according to claim 1, it is characterised in that: the tank body
(1) the left and right sides, which tilts, to be fixedly connected with deflector (15), and two deflectors (15) are located at two rectangular tubes
(16) lower section.
8. a kind of wearability steel ball casting molding sand grinding device according to claim 1, it is characterised in that: the groove
Notch at offer the inclined surface of ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910447333.1A CN110125330A (en) | 2019-05-27 | 2019-05-27 | A kind of wearability steel ball casting molding sand grinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910447333.1A CN110125330A (en) | 2019-05-27 | 2019-05-27 | A kind of wearability steel ball casting molding sand grinding device |
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| CN110125330A true CN110125330A (en) | 2019-08-16 |
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| CN201910447333.1A Pending CN110125330A (en) | 2019-05-27 | 2019-05-27 | A kind of wearability steel ball casting molding sand grinding device |
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| CN110497522A (en) * | 2019-08-19 | 2019-11-26 | 张晟 | Dust protected mortar mixing arrangement and the construction method that terrace is kept the temperature for Self-leveling |
| CN111054886A (en) * | 2020-02-24 | 2020-04-24 | 三门前庭机械科技有限公司 | Sand mixing arrangement for casting |
| CN112264577A (en) * | 2020-10-20 | 2021-01-26 | 秦庭东 | Energy-concerving and environment-protective misce bene device when being favorable to casting mulling |
| CN114392815A (en) * | 2021-12-29 | 2022-04-26 | 金源矿业(东平)有限责任公司 | Aggregate shaping and grading equipment and method thereof |
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Application publication date: 20190816 |