CN209050056U - A kind of casting stone roller sand device - Google Patents

Abstract

The utility model discloses a kind of casting stone roller sand devices.Its solve the problems, such as it is existing grind sand device mill and crush efficiency is lower, it is insufficient to mill.It extends to feed hopper and is fixed with stirring blade in the fixed feed hopper of charging support board ends, the fixed feeding cylinder of upper end of hopper, the fixed discharge nozzle in lower end, the agitating shaft of charging motor driving；Discharge nozzle, which extends to, to be crushed in barrel, is crushed and is fixed fixed blade in barrel, and lower end, which is fixed, crushes hopper, and crushing hopper lower end is fixed to crush discharge nozzle, inside sets crushing filter plate, is crushed motor-driven crushing shaft and is extended in crushing barrel and fix cutting blade；Crushing discharge nozzle, which extends to, mills in barrel, it mills the fixed outer connector sleeve in barrel lower end, two quiet plates of milling are fixed between outer connector sleeve, interior connector sleeve, two are milled filter plate, and motor-driven mill shaft of milling extends in barrel of milling and is fixed with two dynamic mill plate and two material scraper plates.The utility model crushes, grinding efficiency is high, and the material particles milled are uniform.

Description

A kind of casting stone roller sand device

Technical field

It is especially a kind of the utility model relates to be specially adapted for the machinery or equipment of the processing of the method for grinding of mold material Casting stone roller sand device.

Background technique

Casting is cast to liquid metals in the casting cavity being adapted with part shape, after its cooled and solidified, with The method for obtaining part or blank.Its history for having about 6000 is that the mankind grasp than a kind of metal hot-working work earlier Skill.It is needed in existing casting technique through being blended frequently with stone roller sand device to molding sand or core sand, faster to promote to cast Process.

It is known that molding sand is the material for being used to moulding in casting, generally by Foundry sand, moulding sand binder and auxiliary Add the Modeling Materials such as object to mix according to a certain percentage, it is different by binder used, can be divided into clay-bonded sand, water-glass sand, Cement bonded sand, resin sand etc..Core sand be for manufacturing the material of type core in Foundry Production, generally by casting model powder, moulding sand binder and The Modeling Materials such as additional thing mix according to a certain percentage, are divided into clay core sand, waterglass core by binder difference used Sand, wick sand, conjunction rouge core sand, resin core sand etc..The quality of molding sand and collapsibility directly affects casting quality and technical process, So molding sand and core sand must have: plasticity, with certain intensity, good fire resistance gas permeability and certain yielding The performances such as property.Therefore, molding sand or core sand be blended process crushed, processing of milling.And existing casting stone roller sand The mill processes of device are not enough, and grinding efficiency is lower, and the material particles after milling are not of uniform size, and when blanking easily causes filtering Plate blocking；Meanwhile existing casting is lower with efficiency in the crushing process for grinding sand device, influences the continuity of production.

Summary of the invention

In order to overcome the shortcomings of it is existing grind sand device mill and that crush efficiency is lower, material is milled is insufficient, this is practical It is novel be designed to provide it is a kind of mill and crush efficiency is high, the material particles milled uniformly casts with stone roller sand device,

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of casting stone roller sand device comprising One door type bracket, the portal support include a top plate, a bottom plate and both side plate, and the bottom end difference of the both side plate is vertical It is fixed on the both ends of the bottom plate, the top plate is fixedly connected between the top of the both side plate, and feature exists In: it is fixedly connected with a charging support plate on the top plate, is respectively fixedly connected on the both ends of the charging support plate There is feed hopper, has been respectively fixedly connected with feeding cylinder in the upper end of the feed hopper, it is solid respectively in the lower end of the feed hopper Surely it is connected with discharge nozzle, charging support frame is fixedly connected on the inner wall of the feeding cylinder, in the charging support frame Upper rotational support has agitating shaft, and the stirring end of the agitating shaft extends in feed hopper and is fixedly connected through charging support frame Have several stirring blades, vertically assemble a charging motor on the upper surface of the top plate, the charging motor by into Expect the transmission component driving agitating shaft rotation；

It is fixedly connected with a crushing barrel by crushing fixed plate between the both side plate below the discharge nozzle, described Crushing barrel upper end on fasten one crush cover, the discharge nozzle extend through crush cover extend to crushing barrel It is interior, it is fixedly connected with crushing hopper in the lower end of the crushing barrel, is equipped with and crushes in the interior bottom of the crushing hopper Filter plate is fixedly connected with crushing discharge nozzle on the lower end of the crushing hopper, erects on the lower end surface of the top plate Motor is crushed to assembly one, a crushing shaft is connected on the output shaft of the crushing motor, the crushing shaft runs through pulverization cylinder Lid, which extends to, to be crushed in barrel, and several cutting blades are fixedly connected on the crushing shaft, in the crushing barrel Several fixed blades are fixedly connected on inner wall, the cutting blade and fixed blade are interlaced；

One is fixedly connected with by fixed plate of milling between the both side plate below the crushing discharge nozzle to mill barrel, It fastens one on the upper end of the barrel of milling to mill cover, the crushing discharge nozzle extends to material of milling through cover of milling In cylinder, it is fixedly connected with an outer connector sleeve in the lower end of the barrel of milling, the inside of the outer connector sleeve, which is equipped in one, to be connected Female connector, be fixedly connected between the outer connector sleeve and interior connector sleeve two symmetrically arranged quiet plates of milling, two be symmetrical arranged Filter plate of milling, the quiet plate of milling is spaced apart with filter plate of milling, one vertically assembled on the bottom plate and is milled Motor, a mill shaft is connected on the output shaft of the motor of milling, and the mill shaft is extended to through interior connector sleeve and milled In barrel, and two symmetrically arranged dynamic plates of milling are fixedly connected in the mill shaft, in described two dynamic plates of milling Between mill shaft on be fixedly connected with two symmetrically arranged material scraper plates.

Preferably, the charging transmission component includes a double flute driving pulley, two driven pulleys and two transmission belts, described Double flute driving pulley be nonrotationally assemblied on the output shaft of the charging motor, the driven pulley nonrotational dress respectively On the driving end for fitting over the agitating shaft, the transmission belt respectively correspond revolution be assemblied in the double flute driving pulley with Between driven pulley.

Preferably, gusset has been respectively fixedly connected on the both ends bottom of the bottom plate.

Preferably, the tapered distribution from bottom to up on the agitating shaft in the stirring blade.

Preferably, the aperture of the crushing filter hole on the crushing filter plate is greater than the stone roller milled on filter plate The aperture of honed filter opening.

Preferably, the dynamic plate of milling, quiet mill plate and filter plate of milling cross section be a quarter circle knot Structure.

Preferably, several blocks of milling are equipped in the dynamic apparent surface for milling plate and quiet plate of milling.

Preferably, rise the material scraper plate and the angle of horizontal plane are 30 °~45 °.

Preferably, it is fixedly connected with a slip ring guide rail on the material tube inner wall of milling above the outer connector sleeve, described Dynamic plate of milling end face outside on be fixedly connected with the first sliding block, be fixedly connected in the described end face outside for playing material scraper plate There is the second sliding block, first sliding block, the second sliding block are slidably connected at respectively in slip ring guide rail.

The utility model drives agitating shaft to drive stirring blade rotation by charging motor, carries out to the material in feed hopper Stirring prevents feed blocking discharge nozzle, accelerates charging rate；It drives cutting blade rotation pair by crushing motor driven crushing shaft Material carries out pulverization process, and cutting blade and the fixed blade crushed on barrel relatively rotate, and greatly improves the crush efficiency of material； It drives dynamic plate rotation of milling by motor driven mill shaft of milling, and the quiet plate of milling between outer connector sleeve and interior connector sleeve is matched Conjunction mills to smashed material, and which raises grinding efficiencies；Meanwhile the process of the rotation for playing material scraper plate in mill shaft In sweep the quiet material milled on plate, and turn over and transfer to filter plate of milling and be filtered blanking, do not pass through the object for filter plate of milling Material then continue to expect by ing scraper plate sweep overturning be sent to it is quiet mill on plate, milled with plate and quiet plate of milling from moving to mill again, because This material is milled sufficiently, and the material particles after milling are uniform, not will cause milled filter plate blocking.

Detailed description of the invention

Fig. 1 is a kind of structural upright schematic diagram of the utility model；

Fig. 2 is the plane left view of Fig. 1；

Fig. 3 is the structural upright schematic diagram of the top plate of the utility model, charging motor, belt wheel and transmission belt；

Fig. 4 is the structural schematic diagram of the agitating shaft of the utility model, stirring blade, feeding cylinder and feed hopper；

Fig. 5 is the structural upright schematic diagram for crushing motor, cutting blade and crushing shaft of the utility model；

Fig. 6 is crushing cover, fixed blade, crush filter plate and crushing the half-sectional structural upright of discharge nozzle for the utility model Schematic diagram；

Fig. 7 is the barrel of milling of the utility model, motor of milling, dynamic plate of milling, plays material scraper plate, slip ring guide rail and sliding block Structural upright schematic diagram；

Fig. 8 is the mill shaft of the utility model, dynamic plate of milling, rises and expect that the structure of scraper plate, the first sliding block and the second sliding block is vertical Body schematic diagram；

Fig. 9 is the structural schematic diagram of the connector sleeve of the utility model, quiet mill plate and filter plate of milling.

Marked in the figure: 1. portal supports, 101. side plates, 102. top plates, 103. bottom plates, 2. gussets, 3. charging support plates, 4. charging motor, 5. charging transmission components, 501. double flute driving pulleys, 502. driven pulleys, 503. transmission belts, 6. agitating shafts, 7. stirring blade, 8. feed hoppers, 9. feeding cylinders, 10. charging support frames, 11. discharge nozzles, 12. crushing motors, 13. crushing shafts, 14. cutting blade, 15. crush barrel, and 16. crush cover, and 17. fixed blades, 18. crush hopper, and 19. crush filter plate, and 20. crush Discharge nozzle, 21. crush fixed plates, and 22. mill fixed plate, and 23. mill cover, and 24. mill barrel, and 25. mill motor, and 26. grind Mill axis, 27. dynamic plates of milling, 28. first sliding blocks, 29. material scraper plates, 30. second sliding blocks, 31. slip ring guide rails, 32. outer connector sleeves, 33. connector sleeve in, 34. quiet plates of milling, 35. mill block, and 36. mill filter plate, and 37. mill filter hole, and 38. crush filter hole.

Specific embodiment

The utility model is described further with reference to the accompanying drawings and examples.

As shown in Figure 1 and Figure 2, a kind of casting stone roller sand device comprising one door type bracket 1.

In Fig. 1, Fig. 2, portal support 1 includes a top plate 102, a bottom plate 103 and both side plate 101, the bottom of both side plate 101 End is vertically fixed on respectively on the both ends of bottom plate 103, and top plate 102 is fixedly connected between the top of both side plate 101.

In order to improve the work smoothness of portal support 1, as shown in Figure 1 and Figure 2, on the both ends bottom of bottom plate 103 respectively It is fixedly connected with gusset 2.

In Fig. 3, a charging support plate 3 is fixedly connected on top plate 102, it is solid respectively on the both ends of charging support plate 3 Surely it is connected with feed hopper 8.

In Fig. 2, Fig. 3, it has been respectively fixedly connected with feeding cylinder 9 in the upper end of feed hopper 8, has been distinguished in the lower end of feed hopper 8 It is fixedly connected with discharge nozzle 11.

As shown in figure 1, figure 3 and figure 4, charging support frame 10 is fixedly connected on the inner wall of feeding cylinder 9.In Fig. 4, There is agitating shaft 6 by bearing rotational support on charging support frame 10, the stirring end of agitating shaft 6 through charging support frame 10 and is passed through Feeding cylinder 9 extends in feed hopper 8, and several stirring blades 7 are fixedly connected on the stirring end of agitating shaft 6.

As shown in figure 4, stirring blade 7 is nine, divides three groups 120 ° of adjacent spaces and be fixed on agitating shaft 6, and stirring Mix tapered distribution from bottom to up on axis 6.

In Fig. 1, Fig. 3, vertically assemble a charging motor 4 on the upper surface of top plate 102, charging motor 4 be stir into The power source of material.Charging motor 4 drives agitating shaft 6 to rotate by charging transmission component 5.

It should be noted that as shown in Figure 1, Figure 3, charging transmission component 5 includes that a double flute driving pulley 501, two is driven Belt wheel 502 and two transmission belts 503, double flute driving pulley 501 are nonrotationally assemblied on the output shaft of charging motor 4, driven pulley 502 are nonrotationally assemblied in respectively on the driving end of agitating shaft 6, and transmission belt 503 respectively corresponds revolution and is assemblied in double flute driving pulley Between 501 and driven pulley 502.The output shaft rotation of charging motor 4 drives double flute driving pulley 501, double flute driving pulley 501 The rotation of two driven pulleys 502 is respectively driven by two transmission belts 503 respectively, and then achievees the purpose that agitating shaft 6 is driven to rotate.

In Fig. 1, Fig. 2, a powder is fixedly connected with by crushing fixed plate 21 between the both side plate 101 below discharge nozzle 11 Particle cylinder 15.

As shown in Figure 1, Figure 2, Figure 6 shows, one is fastened on the upper end for crushing barrel 15 crush cover 16.In Fig. 2, Fig. 6, The lower end for crushing barrel 15, which is fixedly connected with, crushes hopper 18.Crushing discharge nozzle is fixedly connected on the lower end for crushing hopper 18 20。

It is extended in crushing barrel 15 as shown in Fig. 2, discharge nozzle 11 extends through crushing cover 16.

Filter plate 19 is crushed as shown in fig. 6, being equipped in the interior bottom for crushing hopper 18.It crushes and offers powder on filter plate 19 Broken filter hole 38.Crushing filter hole 38 filtering of the smashed material through crushing on filter plate 19, which drops out, to crush hopper 18 and enters Crush discharge nozzle 20.

In Fig. 2, a crushing motor 12 is vertically assembled on the lower end surface of top plate 102.Crushing motor 12 is comminuting matter Power source.

In Fig. 3, Fig. 5, crushes and connect a crushing shaft 13 on the output shaft of motor 12.Crush the output shaft and powder of motor 12 Broken axis 13 can be used conventional shaft coupling (not depending on out in figure) and be attached.In Fig. 3, crushing shaft 13 prolongs through cover 16 is crushed It extends to and crushes in barrel 15.

In Fig. 5, several cutting blades 14 are fixedly connected on crushing shaft 13.As shown in Figure 5.Cutting blade 14 is 12 It is a, divide three groups 120 ° of adjacent spaces and is fixed on crushing shaft 13.

In Fig. 6, several fixed blades 17 are fixedly connected on the inner wall for crushing barrel 15.As shown in fig. 6, fixed blade 17 And 12 are adopted as, divide three groups 120 ° of adjacent spaces to be fixed on the inner wall for crushing barrel 15.Cutting blade 14 after assembly With the interlaced arrangement of fixed blade 15, then shearing motion is generated between the cutting blade 14 rotated and fixed blade 15, improves crushing Efficiency.

In Fig. 2, a stone roller is fixedly connected with by fixed plate 22 of milling between the both side plate 101 below discharge nozzle 20 crushing Abrasive barrel 24.

As shown in Fig. 2, Fig. 7, one is fastened on the upper end for barrel 24 of milling and is milled cover 23, crush discharge nozzle 20 through grinding Mill tube lid 23, which extends to, mills in barrel 24.

In Fig. 7, an outer connector sleeve 32 is fixedly connected in the lower end for barrel 24 of milling.

In Fig. 9, the inside of outer connector sleeve 32 is equipped with connector sleeve 33 in one, between outer connector sleeve 32 and interior connector sleeve 33 Be fixedly connected with two symmetrically arranged quiet plate 34 and the two symmetrically arranged filter plates 36 of milling of milling, wherein it is quiet mill plate 34 with Filter plate 36 of milling is spaced apart.

In order to improve the structural compactness of component, as shown in figure 9, it is quiet mill plate 34 and mill filter plate 36 cross section it is equal For a quarter circle structure.

In Fig. 9, milling, filter plate 36 offers filter hole 37 of milling.Material after milling is milled on filter plate 36 Mill filter hole 37 filtering drop out barrel 24 of milling.

In Fig. 2, Fig. 7, one is vertically assembled on bottom plate 103 and is milled motor 25.Motor 25 of milling is the dynamic of material of milling Power source.

As shown in Fig. 2, Fig. 7, Fig. 8, a mill shaft 26 is connected on the output shaft for motor 25 of milling.It mills the output of motor 25 Axis can be used conventional shaft coupling (not depending on out in figure) with mill shaft 26 and be attached.In Fig. 2, Fig. 7, mill shaft 26 is through interior Connector sleeve 33, which extends to, mills in barrel 24.

In Fig. 7, Fig. 8, two symmetrically arranged dynamic plates 27 of milling are fixedly connected in mill shaft 26.It is dynamic mill plate 27 with Quiet plate 34 of milling is corresponding, and cross section is also using a quarter circle structure.As shown in fig. 7, assembly after move mill plate 27 with For quiet plate 34 of milling with respect to horizontal layout, dynamic mill of rotation generates relative motion between plate 27 and quiet plate 34 of milling, and to quiet stone roller Object on nog plate 34 is milled.

In order to realize to improve grinding efficiency, as shown in Fig. 7, Fig. 9,20 stone rollers are equipped on the surface of quiet plate 34 of milling Abrading block 35.Equally, the block of milling (not regarded out in figure) also being provided on dynamic mill plate 27 and quiet 34 apparent surface of plate that mills.

In Fig. 7, Fig. 8, it is fixed by the connecting rod in the mill shaft 26 between two dynamic plates 27 of milling and is connected with two symmetrically What is be arranged plays material scraper plate 29.Play a part of to expect that scraper plate 29 plays and sweeps material on quiet mill plate 34 and filter plate 36 of milling, and Material is overturn, so that material is milled.

Effect is played in order to improve material scraper, the angle for playing material scraper plate 29 and horizontal plane is 30 °~45 °.In the present embodiment, rise Expect 35 ° that the angle of scraper plate 29 and horizontal plane preferably uses.

In order to improve the stationarity of stone roller material and material 29 scraper of scraper plate in dynamic plate 27 of milling, as shown in fig. 7, outer connector sleeve It is fixedly connected with a slip ring guide rail 31 on 24 inner wall of barrel of milling of 32 tops, is fixedly connected in the dynamic end face outside for milling plate 27 There is the first sliding block 28, second sliding block 30, the first sliding block are fixedly connected with by fixed link in the end face outside for playing material scraper plate 29 28, the second sliding block 30 is slidably connected at respectively in slip ring guide rail 31.

In order to realize consecutive production, the aperture for crushing the crushing filter hole 38 on filter plate 19 is greater than filter plate 36 of milling On filter hole 37 of milling aperture.In the present embodiment, the aperture of filter hole 38 is crushed using the hole for filter hole 37 of milling 2 times of diameter.

One concrete application of the present embodiment are as follows: different materials is respectively put into two feeding cylinders 9, starting charging electricity Machine 4 drives two driven pulleys 502 to rotate respectively by double flute driving pulley 501 and transmission belt 5037, to drive 6 band of agitating shaft Dynamic stirring blade 7 rotates, and is stirred to the material in feed hopper 8, to prevent the material in feed hopper 8 in dropping process The problem of blocking.Material falls into respectively along discharge nozzle 11 and crushes in barrel 15, and starting crushes motor 12 and drives crushing shaft 13 drive cutting blade 14 to rotate, and carry out pulverization process to the mixed material crushed in barrel 15, are rotated and driven by cutting blade 14 Mixed material generates shearing motion between cutting blade 14 and fixed blade 15, improves crush efficiency.Smashed mixed material meeting It is fallen into crushing discharge nozzle 20 by crushing filter plate 19, and is sent in barrel 24 of milling by crushing discharge nozzle 20, starting is ground Electric mill machine 31 drives mill shaft 26 to drive the dynamic rotation of plate 27 of milling, so that dynamic mill plate 27 and quiet plate 34 of milling cooperate to mixing Material is milled, while the mixed material after milling on quiet plate 34 of milling is scraped in the material rotation of scraper plate 29 that rises in mill shaft 26 It rises, stir, and push to and mill on filter plate 36, the filtering of filter hole 37 drops out barrel 24 of milling by milling.It mills insufficient Material not by mill filter hole 37 and be retained in and mill on filter plate 36, expect by mill shaft 26 scraper plate 29 sweep, It stirs, and pushes on quiet plate 34 of milling and continue to mill, completed until milling.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.It is practical new based on this Embodiment in type, all other implementation obtained by those of ordinary skill in the art without making creative efforts Example, fall within the protection scope of the utility model.

Claims (9)

1. a kind of casting stone roller sand device comprising one door type bracket, the portal support include a top plate, a bottom plate and two Side plate, the bottom end of the both side plate are vertically fixed on respectively on the both ends of the bottom plate, and the top plate is fixedly connected on Between the top of the both side plate, it is characterised in that: a charging support plate is fixedly connected on the top plate, described It feeds and has been respectively fixedly connected with feed hopper on the both ends of support plate, be respectively fixedly connected with charging in the upper end of the feed hopper Cylinder, has been respectively fixedly connected with discharge nozzle in the lower end of the feed hopper, has been fixedly connected on the inner wall of the feeding cylinder Support frame is fed, rotational support has agitating shaft on the charging support frame, and the stirring end of the agitating shaft is through charging Support frame extends in feed hopper and is fixedly connected with several stirring blades, vertically assembles one on the upper surface of the top plate Charging motor, the charging motor agitating shaft rotation described by charging transmission component driving；

It is fixedly connected with a crushing barrel by crushing fixed plate between the both side plate below the discharge nozzle, in the powder One is fastened on the upper end of particle cylinder crushes cover, the discharge nozzle extends through crushing cover and extends in crushing barrel, The lower end of the crushing barrel is fixedly connected with crushing hopper, is equipped in the interior bottom of the crushing hopper and crushes filtering Plate is fixedly connected with crushing discharge nozzle on the lower end of the crushing hopper, vertically fills on the lower end surface of the top plate Motor is crushed with one, a crushing shaft is connected on the output shaft of the crushing motor, the crushing shaft prolongs through cover is crushed It extends to and crushes in barrel, and be fixedly connected with several cutting blades on the crushing shaft, in the inner wall of the crushing barrel On be fixedly connected with several fixed blades, the cutting blade and fixed blade are interlaced；

It is fixedly connected with one by fixed plate of milling between the both side plate below the crushing discharge nozzle to mill barrel, described Barrel of milling upper end on fasten one and mill cover, the crushing discharge nozzle extends to barrel of milling through cover of milling It is interior, it is fixedly connected with an outer connector sleeve in the lower end of the barrel of milling, the inside of the outer connector sleeve is equipped with connection in one Set is fixedly connected with two symmetrically arranged quiet plates of milling, two symmetrically arranged between the outer connector sleeve and interior connector sleeve It mills filter plate, the quiet plate of milling is spaced apart with filter plate of milling, and one is vertically assembled on the bottom plate and is milled electricity Machine, a mill shaft is connected on the output shaft of the motor of milling, and the mill shaft extends to material of milling through interior connector sleeve In cylinder, and be fixedly connected in the mill shaft two symmetrically arranged dynamic plates of milling, described two it is dynamic mill plate it Between mill shaft on be fixedly connected with two symmetrically arranged material scraper plates.

2. a kind of casting according to claim 1 is with grinding sand device, it is characterised in that: the charging transmission component includes One double flute driving pulley, two driven pulleys and two transmission belts, the double flute driving pulley are nonrotationally assemblied in the charging On the output shaft of motor, the driven pulley is nonrotationally assemblied in respectively on the driving end of the agitating shaft, the biography Dynamic band respectively corresponds revolution and is assemblied between the double flute driving pulley and driven pulley.

3. a kind of casting according to claim 1 stone roller sand device, it is characterised in that: in the both ends bottom of the bottom plate On be respectively fixedly connected with gusset.

4. a kind of casting according to claim 1 stone roller sand device, it is characterised in that: in the stirring blade described Agitating shaft on tapered distribution from bottom to up.

5. a kind of casting according to claim 1 stone roller sand device, it is characterised in that: the powder crushed on filter plate The aperture of broken filter hole is greater than the aperture for milling the filter hole of milling on filter plate.

6. a kind of casting according to claim 1 is with grinding sand device, it is characterised in that: the dynamic plate of milling quiet is milled The cross section of plate and filter plate of milling is a quarter circle structure.

7. a kind of casting according to claim 1 stone roller sand device, it is characterised in that: in dynamic plate and the quiet stone roller of milling The apparent surface of nog plate is equipped with several blocks of milling.

8. a kind of casting according to claim 1 stone roller sand device, it is characterised in that: described plays material scraper plate and horizontal plane Angle be 30 °~45 °.

9. a kind of casting according to claim 1 stone roller sand device, it is characterised in that: above the outer connector sleeve It mills and is fixedly connected with a slip ring guide rail on material tube inner wall, it is sliding that first is fixedly connected in the end face outside of the dynamic plate of milling Block is fixedly connected with the second sliding block, first sliding block, the second sliding block difference in the end face outside for playing material scraper plate It is slidably connected in slip ring guide rail.