CN112264131A

CN112264131A - Sand making machine

Info

Publication number: CN112264131A
Application number: CN202011043487.3A
Authority: CN
Inventors: 费良芬; 王明宇; 刘东祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-26

Abstract

The invention discloses a sand making machine, which comprises a horizontally arranged machine shell, wherein the machine shell is cylindrical, a central cylinder is fixedly connected to the inner bottom surface of the machine shell, a first rotating plate is horizontally arranged above the central cylinder, a fixing ring is fixedly connected to the bottom surface of the first rotating plate, a fixing groove matched with the fixing ring is formed in the upper surface of the central cylinder, the fixing groove is annular, the fixing ring is rotatably connected with the fixing groove, a main shaft is fixedly connected to the bottom surface of the first rotating plate, the main shaft is vertically arranged, the main shaft is rotatably connected with the inner bottom surface of the machine shell, a first gear is fixedly connected with the main shaft, and a first motor is arranged on one side of. According to the invention, the crushed aggregates are divided into two streams, one stream of crushed aggregates is subjected to centrifugal motion after being accelerated and then is collided with the other stream of crushed aggregates, and simultaneously is collided with the crushing plate to be crushed for one time, and the crushed aggregates are crushed for the second time by the crushing roller, so that the crushed aggregates are crushed more thoroughly, the crushed aggregates crushing effect is better, and the crushing device is more practical.

Description

Sand making machine

Technical Field

The invention relates to the technical field of stone crushing devices, in particular to a sand making machine.

Background

The stone crusher can be classified into a medical stone crusher and a mining stone crusher according to the major category, the mining stone crusher is suitable for crushing massive mine hard rocks in principle, the typical granite discharging granularity is less than or equal to 40mm and accounts for 90%, the stone crusher can process materials with the side length of 100-500 mm, the compression strength of the stone crusher can reach 350 MPa, the stone crusher has the advantages of large crushing ratio, cubic particles of the crushed materials and the like, and the mining stone crusher is a crusher with the granularity of more than three mm and accounts for more than 50% of the total discharge amount in discharged materials.

A crusher for mining, also called a stone crusher, is a crushing machine with the particle size of more than three millimeters in discharged materials accounting for more than 50% of the total discharged material, and is invented by England people in constant safety, the crushing operation is divided into coarse crushing, middle crushing and fine crushing according to the particle size of the fed materials and the discharged materials, and common sandstone equipment is provided with a jaw crusher, an impact crusher, a combined crusher, a single-section hammer crusher, a vertical crusher, a gyratory crusher, a cone crusher, a roller crusher, a double-roller crusher, a two-in-one crusher, a one-step forming crusher and the like.

The impact crusher, commonly known as sand making machine, is a high-energy and low-consumption device with international advanced level, which is developed by utilizing the famous stone-breaking crusher principle and technology of Pamak corporation in America and combining the practical situation in sand making production at home and abroad, the performance of the impact crusher plays an irreplaceable role in various ore fine breaking devices, and the impact crusher is the most effective, practical and reliable stone breaking machine. The crusher is an ideal production device for building sand, road building sand, bedding material, asphalt concrete and cement concrete aggregate, and is widely applied.

The existing sand making machine utilizing impact crushing only has one process for crushing crushed materials, so that the crushing of the crushed materials is incomplete, the crushing standard is not easy to reach, stronger vibration can be generated in the working process of the sand making machine, the assembly of the sand making machine can be damaged due to the strong vibration for a long time, the connection between the assemblies is influenced, the sand making machine is not beneficial to the long-term use of the sand making machine, and therefore, the sand making machine is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a single crushing process cannot thoroughly crush crushed materials, the established standard is not easily met, and the assembly is damaged by vibration during operation of the device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sand making machine comprises a horizontally arranged machine shell, wherein the machine shell is cylindrical, a central cylinder is fixedly connected to the bottom surface in the machine shell, a first rotating plate is horizontally arranged above the central cylinder, a fixing ring is fixedly connected to the bottom surface of the first rotating plate, a fixing groove matched with the fixing ring is formed in the upper surface of the central cylinder, the fixing groove is annular, the fixing ring is rotatably connected with the fixing groove, a main shaft is fixedly connected to the bottom surface of the first rotating plate, the main shaft is vertically arranged and is rotatably connected with the bottom surface in the machine shell, a first gear is fixedly connected to the main shaft, a first motor is arranged on one side of the main shaft, a second gear is fixedly connected to the shaft of the first motor and is meshed with the first gear, a second rotating plate is horizontally arranged above the first rotating plate, and a circular slot is formed in the second rotating plate, the outer diameter of the second rotating plate is the same as that of the first rotating plate, the second rotating plate is fixedly connected with the first rotating plate through a connecting ring, a plurality of through holes are uniformly formed in the connecting ring, a first distributor is horizontally arranged above the second rotating plate and is abutted against the second rotating plate, the first distributor is fixedly connected with the inner wall of the shell through a plurality of first connecting rods which are horizontally arranged, a cylindrical feed inlet is fixedly connected to the top of the shell, a cover is rotatably connected to the upper end of the feed inlet, a conical second distributor is arranged at the feed inlet and is fixedly connected with the inner wall of the feed inlet through a plurality of second connecting rods which are horizontally arranged, a plurality of fan-shaped discharge ports are arranged on the bottom surface of the shell, a funnel groove fixedly connected with the outer bottom surface of the shell is arranged below the discharge port, and a groove body is fixedly connected to, the cross section of cell body is the rectangle, the level is provided with two crushing rollers in the cell body, two crushing roller counterbalance contact, two crushing roller all offsets the contact with the cell body inner wall, two crushing roller is located same water flat line, two the axle of the one end of crushing roller all runs through the cell body wall body and rotates with it to be connected, two the axle of crushing roller is located the equal fixedly connected with driven gear of cell body outer part, two driven gear meshes the connection, one of them driven gear is connected with actuating mechanism, the vertical many support columns that are provided with of the outer bottom surface of casing, the casing erects on many support columns, the outer bottom surface of casing is equipped with damper, the casing outside is equipped with the spacing ring that agrees with mutually with the casing, spacing ring and many support column fixed connection, spacing ring and the contact that offsets with the casing lateral wall.

Preferably, actuating mechanism includes the bed plate with cell body fixed connection, the bed plate level sets up, fixed surface is connected with the second motor on the bed plate, the axle fixedly connected with driving gear of second motor, one of them driven gear is connected with the driving gear meshing.

Preferably, the damping mechanism comprises a plurality of damping columns fixedly connected with the outer bottom surface of the casing, the damping columns are vertically arranged, the upper surfaces of the supporting columns are provided with grooves, the bottom ends of the damping columns are fixedly connected with sliding plates, the sliding plates are connected with the grooves in a sliding mode, the sliding plates are fixedly connected with the inner walls of the grooves through springs, the ports in the grooves are fixedly connected with limiting pieces, and the damping columns are connected with the limiting pieces in a sliding mode.

Preferably, the groove is cylindrical, the sliding plate is circular, the limiting part is annular, the limiting part is sleeved on the shock absorption column, and the upper surface of the shock absorption column is fixedly connected with the shock absorption pad.

Preferably, the inner wall of the casing is fixedly connected with a first baffle plate which is obliquely arranged, the first baffle plate is annular, an annular second baffle plate is arranged in the casing, the lower end of the second baffle plate is fixedly connected with the inner bottom surface of the casing, the upper end of the second baffle plate is fixedly connected with the first baffle plate, and the inner ring of the second baffle plate coincides with the outer ring of the discharge opening.

Preferably, the first distributor is annular, a section of the first distributor is an isosceles triangle, the first distributor is located right below the second distributor, an outer diameter of the first distributor is larger than an outer diameter of the second rotating plate, and an inner diameter of the first distributor is smaller than an inner diameter of the second rotating plate.

Preferably, the annular crushing plate of casing inside wall fixedly connected with, the crushing plate is located first baffle top, just crushing plate and the contact of first baffle upper surface counterbalance, the crushing plate surface evenly is provided with a plurality of crushing pieces, the crushing piece is hemispherical.

Preferably, a cover plate is horizontally arranged below the tank body, a plurality of screw rods are vertically arranged below the cover plate, the screw rods penetrate through the cover plate and are in sliding connection with the cover plate, the screw rods are embedded into the tank body and are in threaded connection with the tank body, and the sum of the height of the tank body and the height of the funnel tank is smaller than the height of the support column.

Preferably, the outer diameter of the central cylinder is smaller than that of the first rotating plate, and the outer ring of the central cylinder coincides with the inner ring of the discharge opening.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up crushing board and crushing piece, not only strengthened the protection to the casing inner wall, prevent that the striking is out of shape, utilize crushing piece and crushed aggregates to strike simultaneously for the pressure that the crushed aggregates received when striking was smashed is bigger, smashes more easily, optimizes striking crushing effect.

2. Through setting up crushing roller for the crushed aggregates carries out the secondary extrusion through crushing roller again after once striking is smashed again and smashes, makes the crushed aggregates through twice crushing process like this, makes crushed aggregates kibbling more thorough, and crushing effect is better, reaches the specified standard more easily.

3. The vibration amplitude of the shell is reduced by the aid of the shock absorption pads, the shock absorption function of the device is further enhanced by the shock absorption columns, the sliding plates, the springs and the grooves, the device is prevented from violently shaking, accordingly, the device assembly is protected, the device assembly is prevented from loosening due to shaking, and a more stable working environment is provided for the device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of FIG. 1 taken along the direction A-A;

FIG. 4 is a schematic view of the cross-sectional structure of the B-B-direction in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a sectional structure of a tank according to the present invention;

FIG. 6 is an enlarged view of the portion C of FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of the portion D of FIG. 1 according to the present invention;

fig. 8 is a schematic perspective view of a first distributor according to the present invention.

In the figure: 1. a housing; 2. a central barrel; 3. a first rotating plate; 4. a fixing ring; 5. fixing grooves; 6. a main shaft; 7. a first gear; 8. a first motor; 9. a second gear; 10. a second rotating plate; 11. grooving; 12. a connecting ring; 13. through the hole; 14. a first distributor; 15. a first connecting rod; 16. a feed inlet; 17. a flap; 18. a second material distributor; 19. a second connecting rod; 20. a discharge outlet; 21. a funnel groove; 22. a trough body; 23. a crushing roller; 24. a driven gear; 25. a drive mechanism; 26. a support pillar; 27. a damping mechanism; 28. a limiting ring; 29. a base plate; 30. a second motor; 31. a driving gear; 32. a shock-absorbing post; 33. a groove; 34. a sliding plate; 35. a spring; 36. a limiting member; 37. a shock pad; 38. a first baffle plate; 39. a second baffle; 40. a crushing plate; 41. a pulverization element; 42. a cover plate; 43. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution:

embodiment one, as shown in fig. 1 to 8, a sand making machine includes a horizontally disposed housing 1, the housing 1 is cylindrical, a central cylinder 2 is fixedly connected to the inner bottom surface of the housing 1, a first rotating plate 3 is horizontally disposed above the central cylinder 2, a fixing ring 4 is fixedly connected to the bottom surface of the first rotating plate 3, a fixing groove 5 engaged with the fixing ring 4 is disposed on the upper surface of the central cylinder 2, the fixing groove 5 is ring-shaped, the fixing ring 4 is rotatably connected to the fixing groove 5, a spindle 6 is fixedly connected to the bottom surface of the first rotating plate 3, the spindle 6 is vertically disposed, the spindle 6 is rotatably connected to the inner bottom surface of the housing 1, the spindle 6 is fixedly connected to a first gear 7, a first motor 8 is disposed on one side of the spindle 6, a second gear 9 is fixedly connected to the shaft of the first motor 8, the second gear 9 is engaged with the first gear 7, a second, a circular slot 11 is arranged on the second rotating plate 10, the outer diameter of the second rotating plate 10 is the same as that of the first rotating plate 3, the second rotating plate 10 is fixedly connected with the first rotating plate 3 through a connecting ring 12, a plurality of through holes 13 are uniformly arranged on the connecting ring 12, a first distributor 14 is horizontally arranged above the second rotating plate 10, the first distributor 14 is in contact with the second rotating plate 10, the first distributor 14 is fixedly connected with the inner wall of the casing 1 through a plurality of horizontally arranged first connecting rods 15, a cylindrical feed inlet 16 is fixedly connected with the top of the casing 1, the upper end of the feed inlet 16 is rotatably connected with a cover 17, the feed inlet 16 is provided with a conical second distributor 18, the second distributor 18 is fixedly connected with the inner wall of the feed inlet 16 through a plurality of horizontally arranged second connecting rods 19, a plurality of fan-shaped discharge outlets 20 are arranged on the bottom surface of the casing 1, a funnel groove 21 fixedly connected, the bottom end of the funnel groove 21 is fixedly connected with a groove body 22, the cross section of the groove body 22 is rectangular, two crushing rollers 23 are horizontally arranged in the groove body 22, the two crushing rollers 23 are abutted against and contacted with the inner wall of the groove body 22, the two crushing rollers 23 are positioned on the same horizontal line, shafts at one ends of the two crushing rollers 23 penetrate through the wall body of the groove body 22 and are rotatably connected with the wall body, driven gears 24 are fixedly connected with the outer parts of the shafts of the two crushing rollers 23 positioned on the outer part of the groove body 22, the two driven gears 24 are engaged and connected, one driven gear 24 is connected with a driving mechanism 25, a plurality of support columns 26 are vertically arranged on the outer bottom surface of the casing 1, the casing 1 is erected on the plurality of support columns 26, a damping mechanism 27 is arranged on the outer bottom surface of the casing 1, a limit ring 28 matched with the casing 1 is arranged on the outer side of the casing 1, the limit ring, a cover plate 42 is horizontally arranged below the groove body 22, a plurality of screw rods 43 are vertically arranged below the cover plate 42, the screw rods 43 penetrate through the cover plate 42 and are in sliding connection with the cover plate, the screw rods 43 are embedded in the groove body 22 and are in threaded connection with the groove body 22, the sum of the heights of the groove body 22 and the funnel groove 21 is smaller than the height of the support column 26, the first rotating plate 3 and the second rotating plate 10 are both circular, the first rotating plate 3, the second rotating plate 10, the connecting ring 12 and the central cylinder 2 are made of light metal, such as titanium alloy material, the quality of the assembly is reduced, the strength of the assembly is ensured, the stress on the bottom surface of the machine shell 1 is reduced, the deformation of the bottom surface.

In the second embodiment, as shown in fig. 1, 2 and 5, the driving mechanism 25 includes a base plate 29 fixedly connected to the tank 22, the base plate 29 is horizontally disposed, a second motor 30 is fixedly connected to the upper surface of the base plate 29, a driving gear 31 is fixedly connected to a shaft of the second motor 30, one of the driven gears 24 is engaged with the driving gear 31, and the second motor 30 is used for driving the crushing roller 23 to operate, so as to crush the crushed aggregates for the second time, so that the crushed aggregates are crushed better.

In the third embodiment, as shown in fig. 1 and 7, the damping mechanism 27 includes a plurality of damping columns 32 fixedly connected to the outer bottom surface of the casing 1, the plurality of damping columns 32 are all vertically disposed, the upper surfaces of the plurality of supporting columns 26 are all provided with grooves 33, bottom ends of the plurality of damping columns 32 are fixedly connected with sliding plates 34, the sliding plates 34 are slidably connected with the grooves 33, the sliding plates 34 are fixedly connected with the inner walls of the grooves 33 through springs 35, ports in the grooves 33 are fixedly connected with limiting pieces 36, the damping columns 32 are slidably connected with the limiting pieces 36, the grooves 33 are cylindrical, the sliding plates 34 are circular, the limiting pieces 36 are annular, the limiting pieces 36 are sleeved on the damping columns 32, the damping pads 37 are fixedly connected to the upper surfaces of the supporting columns 26, the device can vibrate during operation, the device can reduce the vibration of the device through the components of the damping pads 37.

Fourth embodiment, as shown in fig. 1 and 4, a first baffle 38 is fixedly connected to an inner wall of the casing 1, the first baffle 38 is annular, an annular second baffle 39 is disposed in the casing 1, a lower end of the second baffle 39 is fixedly connected to an inner bottom surface of the casing 1, an upper end of the second baffle 39 is fixedly connected to the first baffle 38, an inner ring of the second baffle 39 coincides with an outer ring of the discharge opening 20, the first baffle 38 promotes impact between the crushed aggregates, crushing of the crushed aggregates is promoted, the second baffle 39 not only plays a role in supporting the first baffle 39, and shares stress thereof, so that the device is more stable, but also the crushed aggregates crushed by one-time impact can directly fall into the funnel groove 21, and cannot remain on the inner bottom surface of the casing 1, which is more beneficial to realizing functions of the device.

In the fifth embodiment, as shown in fig. 1, 4, and 8, the first distributor 14 is annular, the section of the first distributor 14 is isosceles triangle, the first distributor 14 is located right below the second distributor 18, the outer diameter of the first distributor 14 is larger than the outer diameter of the second rotating plate 10, the inner diameter of the first distributor 14 is smaller than the inner diameter of the second rotating plate 10, the first distributor 14 is configured to divide the falling crushed aggregates into two pieces, and the crushed aggregates flowing to the middle impact another crushed aggregate by acceleration, so as to achieve impact crushing and ensure the realization of the device function.

Sixth embodiment, as shown in fig. 1 and 4, an annular crushing plate 40 is fixedly connected to an inner side wall of the casing 1, the crushing plate 40 is located above the first baffle 38, and the crushing plate 40 is in contact with an upper surface of the first baffle 38, a plurality of crushing pieces 41 are uniformly arranged on a surface of the crushing plate 40, the crushing pieces 41 are hemispherical, and the crushing pieces 41 are used for promoting the crushed aggregates to collide with an inner wall of the device, so as to help the crushed aggregates to collide and crush, and further facilitate crushing of the crushed aggregates.

Seventh embodiment, as shown in fig. 1, the outer diameter of the central cylinder 2 is smaller than the outer diameter of the first rotating plate 3, and the outer ring of the central cylinder 2 coincides with the inner ring of the discharge opening 20, so that the crushed aggregates are prevented from being accumulated on the inner bottom surface of the casing 1, the crushed aggregates can directly enter the hopper groove 21, and the function of the device can be conveniently realized.

The working principle is as follows: the screw 43 is unscrewed, the cover plate 42 is opened, a container is placed below the tank body 22 for collecting crushed materials after crushing processing, the power supply of the device is switched on, the first motor 8 and the second motor 30 are started, the first motor 8 drives the second gear 9 to rotate, the second gear 9 drives the first gear 7 meshed with the second gear to rotate, further drives the first rotating plate 3, the second rotating plate 10 and the connecting ring 12 to rotate, the second motor 30 drives the driving gear 31 to rotate, the driving gear 31 drives the driven gear 24 meshed with the driving gear to rotate, further drives the other driven gear 24 to rotate, finally drives the two crushing rollers 23 to rotate, the cover 17 is opened, the crushed materials are poured into the device from the feed inlet 16, the crushed materials firstly pass through the second distributor 18, the crushed materials uniformly fall onto the first distributor 14 due to the distributing action of the second distributor 18, and then pass through the distributing action of the first distributor 14, divided into two parts, one part falls outside the first distributor 14, the other part falls inside the first distributor 14, the part of the small pieces falls through the slot 11 onto the first rotating plate 3, is accelerated by the rotation of the first rotating plate 3, by being thrown out through the holes 13 and being given a centrifugal motion, the thrown-out crushed aggregates collide with the crushed aggregates falling by gravity outside the first distributor 14, and then the baffle plate collides against the first baffle plate 38 which is obliquely arranged, rebounds to do parabolic motion, finally falls into the funnel groove 21, then enters the groove body 22 through the funnel groove 21, then through two crushing rollers 23, finally fall into the container, like the process, the crushed aggregates are divided into two strands of crushed aggregates through the material distributing action of the second material distributor 18 and the first material distributor 14 in the device, one strand of crushed aggregates is impacted and crushed to the other strand of crushed aggregates after being accelerated, and the crushed aggregates are crushed again through the crushing rollers 23, so that the crushed aggregates are crushed more thoroughly.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sand making machine, includes horizontally arranged casing (1), its characterized in that: the machine shell (1) is cylindrical, a central cylinder (2) is fixedly connected to the inner bottom surface of the machine shell (1), a first rotating plate (3) is horizontally arranged above the central cylinder (2), a fixing ring (4) is fixedly connected to the bottom surface of the first rotating plate (3), a fixing groove (5) matched with the fixing ring (4) is formed in the upper surface of the central cylinder (2), the fixing groove (5) is annular, the fixing ring (4) is rotatably connected with the fixing groove (5), a main shaft (6) is fixedly connected to the bottom surface of the first rotating plate (3), the main shaft (6) is vertically arranged, the main shaft (6) is rotatably connected with the inner bottom surface of the machine shell (1), a first gear (7) is fixedly connected to the main shaft (6), a first motor (8) is arranged on one side of the main shaft (6), and a second gear (9) is fixedly connected to the shaft of the first motor (8, the second gear (9) is meshed with the first gear (7), a second rotating plate (10) is horizontally arranged above the first rotating plate (3), a circular groove (11) is formed in the second rotating plate (10), the outer diameter of the second rotating plate (10) is the same as that of the first rotating plate (3), the second rotating plate (10) is fixedly connected with the first rotating plate (3) through a connecting ring (12), a plurality of through holes (13) are uniformly formed in the connecting ring (12), a first distributor (14) is horizontally arranged above the second rotating plate (10), the first distributor (14) is abutted to the second rotating plate (10), the first distributor (14) is fixedly connected with the inner wall of the machine shell (1) through a plurality of horizontally arranged first connecting rods (15), and a cylindrical feed inlet (16) is fixedly connected to the top of the machine shell (1), the feed inlet (16) upper end is rotated and is connected with flap (17), the feed inlet (16) is equipped with coniform second tripper (18), second connecting rod (19) and feed inlet (16) inner wall fixed connection that second tripper (18) set up through many levels, casing (1) bottom surface is equipped with a plurality of sectorial bin outlet (20), bin outlet (20) below is equipped with funnel groove (21) with casing (1) outer bottom surface fixed connection, funnel groove (21) bottom fixed connection has cell body (22), the cross section of cell body (22) is the rectangle, the level is provided with two crushing roller (23) in cell body (22), two crushing roller (23) counterbalance contact, two crushing roller (23) all counterbalance contact with cell body (22) inner wall, two crushing roller (23) are located same water flat line, two the axle of the one end of crushing roller (23) all runs through cell body (22) wall body and rotates with it and is connected, two the axle of crushing roller (23) is located equal fixedly connected with driven gear (24) of cell body (22) outward portion, two driven gear (24) meshing connection, one of them driven gear (24) are connected with actuating mechanism (25), casing (1) outer bottom surface is vertical to be provided with many support columns (26), casing (1) erects on many support columns (26), casing (1) outer bottom surface is equipped with damper (27), casing (1) outside is equipped with spacing ring (28) that agree with casing (1) mutually, spacing ring (28) and many support columns (26) fixed connection, spacing ring (28) and casing (1) lateral wall counterbalance contact.

2. A sand making machine according to claim 1, wherein: actuating mechanism (25) include with cell body (22) fixed connection's bed plate (29), bed plate (29) level sets up, fixed surface is connected with second motor (30) on bed plate (29), the axle fixedly connected with driving gear (31) of second motor (30), one of them driven gear (24) are connected with driving gear (31) meshing.

3. A sand making machine according to claim 1, wherein: damper (27) include many with casing (1) outer bottom surface fixed connection's shock attenuation post (32), many the equal vertical setting of shock attenuation post (32), many support column (26) upper surface all is equipped with recess (33), many shock attenuation post (32) bottom fixedly connected with sliding plate (34), sliding plate (34) and recess (33) sliding connection, sliding plate (34) are through spring (35) and recess (33) inner wall fixed connection, port fixedly connected with locating part (36) in recess (33), shock attenuation post (32) and locating part (36) sliding connection.

4. A sand making machine according to claim 3, wherein: the groove (33) is cylindrical, the sliding plate (34) is circular, the limiting piece (36) is annular, the limiting piece (36) is sleeved on the shock absorption column (32), and the upper surface of the support column (26) is fixedly connected with a shock absorption pad (37).

5. A sand making machine according to claim 1, wherein: casing (1) inner wall fixedly connected with slope first baffle (38) that set up, first baffle (38) are cyclic annular, be equipped with annular second baffle (39) in casing (1), bottom surface fixed connection in second baffle (39) lower extreme and casing (1), second baffle (39) upper end and first baffle (38) fixed connection, just second baffle (39) inner circle and bin outlet (20) outer lane coincide mutually.

6. A sand making machine according to claim 1, wherein: the first distributor (14) is annular, the section of the first distributor (14) is isosceles triangle, the first distributor (14) is located under the second distributor (18), the outer diameter of the first distributor (14) is larger than that of the second rotating plate (10), and the inner diameter of the first distributor (14) is smaller than that of the second rotating plate (10).

7. A sand making machine according to claim 1, wherein: casing (1) inside wall fixedly connected with annular crushing board (40), crushing board (40) are located first baffle (38) top, just crushing board (40) and first baffle (38) upper surface offset contact, crushing board (40) surface evenly is provided with a plurality of crushing pieces (41), crushing piece (41) are hemispherical.

8. A sand making machine according to claim 1, wherein: the improved funnel-shaped structure is characterized in that a cover plate (42) is horizontally arranged below the groove body (22), a plurality of screw rods (43) are vertically arranged below the cover plate (42), the screw rods (43) penetrate through the cover plate (42) and are in sliding connection with the cover plate, the screw rods (43) are embedded into the groove body (22) and are in threaded connection with the groove body, and the sum of the heights of the groove body (22) and the funnel groove (21) is smaller than the height of the support column (26).

9. A sand making machine according to claim 1, wherein: the outer diameter of the central cylinder (2) is smaller than that of the first rotating plate (3), and the outer ring of the central cylinder (2) coincides with the inner ring of the discharge opening (20).