Vertical sand making machine and working method thereof

Abstract

The present invention provides a vertical sand making machine and a working method thereof, which belongs to the technical field of sand making machines. The machine comprises a frame, and a vertical beam is vertically arranged on the top surface of the frame, and a driving end is sleeved in the middle part of the vertical beam cavity, and a material dividing end is arranged on the top surface of the vertical beam. A first throwing disc mechanism, a second throwing disc mechanism and a third throwing disc mechanism are respectively and spaced apart on the vertical beam body from bottom to top, and a lining plate group is sleeved on the outer ring between the first throwing disc mechanism, the second throwing disc mechanism and the third throwing disc mechanism. The present invention only needs one driving end, and gravel aggregates of different specifications can be directly poured into the equipment, without the need to perform vibration screening and classification of various gravel specifications in advance, and without the need to perform speed adjustment operation of the rotor according to gravel of different specifications, which saves time and labor, and does not need to screen the manufactured sand to find out those that do not meet the specifications, and is not prone to waste of raw materials.

Description

Technical Field

[0001] The invention relates to a vertical sand making machine and a working method thereof, and belongs to the technical field of sand making machines. Background Art

[0002] In the field of mining equipment, the vertical shaft impact crusher is also known as a sand making machine. Its working principle is to throw the material from the middle, and the main shaft group drives the rotor group to rotate at high speed. The rotor group throws the material in the middle at high speed to collide with the lining plate and crush it into sand.

[0003] The aggregate used in the sand making machine is generally gravel with a diameter of 4-7mm. When a conventional sand making machine is used to crush and make sand, the diameter of the produced sand particles is relatively uneven. Before use, the sand particles need to be vibrated and screened to remove sand particles with larger diameters that do not meet the specifications, resulting in a waste of raw materials. Alternatively, before sand making, the aggregate to be made into sand is vibrated and screened to remove gravel of various diameters, and then the rotor is adjusted to use different speeds for centrifugal throwing to obtain sand with a relatively uniform diameter. This operation is cumbersome and time-consuming. In view of the above shortcomings, the present invention proposes a vertical sand making machine and a working method thereof. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a vertical sand making machine and a working method thereof to solve the existing problems.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a vertical sand making machine, including a frame, and a vertical beam is vertically arranged on the top surface of the frame, and a driving end is sleeved in the middle of the vertical beam cavity, a material distribution end is arranged on the top surface of the vertical beam, and a first throwing disc mechanism, a second throwing disc mechanism and a third throwing disc mechanism are respectively arranged on the vertical beam body from bottom to top, and a lining plate group is sleeved on the outer ring between the first throwing disc mechanism, the second throwing disc mechanism and the third throwing disc mechanism, a first guide plate is arranged in the middle of the lining plate group, and the upper end of the first guide plate extends to the third throwing disc mechanism The lower end of the liner group is provided with a second material guide plate, and the upper end of the second material guide plate extends to the lower part of the second throwing plate mechanism, and the lower part of the liner group is connected with a discharge hopper, and the lower part of the bottom surface of the material distribution end is sequentially sleeved with a first feed hopper, a second feed hopper and a third feed hopper from the outside to the inside, the lower end of the first feed hopper passes through the vertical beam cavity and extends to the upper part of the third throwing plate mechanism cavity, the lower end of the second feed hopper passes through the vertical beam cavity and extends to the upper part of the second throwing plate mechanism cavity, and the lower end of the first feed hopper passes through the vertical beam cavity and extends to the upper part of the first throwing plate mechanism cavity;

[0006] The driving end includes a rotating shaft, and the lower end of the rotating shaft is sleeved with a first bearing, and the bottom surface of the rotating shaft is transmission-connected with a motor, and the first speed change gear set, the second speed change gear set and the third speed change gear set are arranged on the rotating shaft body from bottom to top, and the top surface of the rotating shaft is provided with a reduction gear set;

[0007] The left end of the first speed gear set is meshed with the left inner end of the internal gear turntable of the first swing plate mechanism for transmission, the left end of the second speed gear set is meshed with the left inner end of the internal gear turntable of the second swing plate mechanism for transmission, the left end of the third speed gear set is meshed with the left inner end of the internal gear turntable of the third swing plate mechanism for transmission, and the left end of the reduction gear set is meshed with the left inner end of the internal gear turntable at the dividing end for transmission.

[0008] A further improvement is that the vertical beam includes a vertical beam body, and the vertical beam body is composed of multiple sections of circular tubes and is a hollow structure. A plurality of feed hopper openings are opened at the upper end of the vertical beam body, and a plurality of feed hopper outlets and a plurality of gear extension openings are also spaced apart on the vertical beam body. A swinging disc seat is arranged on the vertical beam body below each gear extension opening, and a screening disc seat is arranged at the top of the vertical beam body.

[0009] A further improvement is that the first speed change gear set includes a speed change gear seat, and the top surface of the speed change gear seat is embedded with a second bearing and a rotating shaft, and a pulley set is sleeved on the shaft body of the rotating shaft, and the top surface of the rotating shaft is provided with a speed change gear, and the pulley set is composed of a first pulley, a second pulley and a belt that are mutually connected in transmission;

[0010] The first speed gear set, the second speed gear set and the third speed gear set have the same structure, but the diameter of the speed gear on the first speed gear set is 10-12CM, the diameter of the speed gear on the second speed gear set is 13-15CM, and the diameter of the speed gear on the third speed gear set is 16-18CM.

[0011] A further improvement is that the material distribution end includes a screening disc, and a first inner-toothed rotating disc is provided on the bottom surface of the screening disc, and a first rotating seat is provided on the bottom surface of the first inner-toothed rotating disc;

[0012] The screening plate comprises a conical plate, and a first screen corresponding to the third feed hopper, a second screen corresponding to the second feed hopper, and a third screen corresponding to the first feed hopper are arranged at intervals from the inside to the outside on the conical surface of the conical plate, and a slag storage edge is arranged on the outer periphery of the conical plate, and a slag collecting block is arranged on one side of the slag storage edge.

[0013] As a further improvement, the mesh diameter of the first sieve is 5.3 mm, the mesh diameter of the second sieve is 6.3 mm, and the mesh diameter of the third sieve is 7.3 mm.

[0014] A further improvement is that the first disk spinning mechanism includes a disk spinning assembly, and a second inner-tooth rotating disk is disposed on the bottom surface of the disk spinning assembly, and a second rotating seat is disposed on the bottom surface of the second inner-tooth rotating disk;

[0015] The spinning disc assembly includes a spinning disc body, and a leak-proof tube for the vertical beam body to pass through is arranged in the middle of the spinning disc body. A plurality of material throwing ports are arranged in a circular array around the spinning disc body. The first spinning disc mechanism, the second spinning disc mechanism and the third spinning disc mechanism have the same structure.

[0016] A further improvement is that the lining plate group includes an outer shell, and two lining plate seats are arranged on the inner wall of the outer shell in a circular shape, and three groups of lining plates are arranged at intervals on the inner walls of the two lining plate seats, and a first discharge channel is opened on the inner side of the two lining plate seats corresponding to the first material guide plate, and a second discharge channel is opened on the inner side of the two lining plate seats corresponding to the second material guide plate.

[0017] A further improvement is that the first feed hopper is composed of a plurality of arc-shaped hopper pieces spliced ​​in a circular array, and the number of each arc-shaped hopper piece is two or three, each of the arc-shaped hopper pieces includes an arc-shaped feed hopper, and the lower end of the arc-shaped feed hopper is connected to an extension tube, and the lower end of the extension tube is connected to a discharge pipe head, and the first feed hopper, the second feed hopper and the third feed hopper have the same structure.

[0018] As a further improvement, the first material guide plate is composed of two arc-shaped inclined plates spliced ​​in a circular shape, and the first material guide plate has the same structure as the second material guide plate.

[0019] A further improvement is that the reduction gear set is composed of a plurality of meshing pinion gears, which is prior art and the structure will not be described in detail.

[0020] A further improvement is that each of the lining plates is made of high manganese steel.

[0021] In addition, the present invention also provides a working method of the above-mentioned vertical sand making machine, and the working method is as follows:

[0022] First, the stones are fed from the outside to the middle area of ​​the conical disk, and then the motor drives the rotating shaft to rotate, and the first, second and third speed gear sets are driven by the speed gear sets meshing with the internal gear turntable to synchronously drive the first, second and third throwing disc mechanisms to respectively adopt different speed centrifugal methods to throw and crush the materials, and synchronously drive the screening disc to reduce speed and separate the materials through the reduction gear set. When the centrifugal force is used for separation and screening, the stones move from the inner end to the outer end of the screening disc cavity, and the fine stones are screened out when passing through the first screen, and pass through the third feed hopper to the first throwing disc mechanism, and the medium stones are screened out when passing through the second screen. The coarse stones are screened out after passing through the third screen and then pass through the first feed hopper to the third disc mechanism. The three disc mechanisms use three different corresponding rotation speeds to produce centrifugal forces to throw out stones of fine, medium and coarse diameters and hit them onto three sets of lining plates with the same horizontal spacing for impact and crushing into sand with relatively uniform diameter. The first guide plate and the second guide plate can discharge the sand crushed by the second disc mechanism and the third disc mechanism respectively, to prevent the upper sand from interfering with each other when being discharged downward, thus affecting the crushing quality of the stone. Finally, the sand is discharged into the discharge hopper for external discharge.

[0023] The beneficial effects of the present invention are:

[0024] The present invention provides a vertical sand making machine and a working method thereof. The vertical sand making machine is formed by a combination design of a frame, a vertical beam, a driving end, a material distribution end, a first throwing disc mechanism, a second throwing disc mechanism, a third throwing disc mechanism, a lining plate group, a first material guide plate, a second material guide plate, a discharge hopper, a first feed hopper, a second feed hopper and a third feed hopper. The present invention only needs one driving end, which does not increase energy consumption, and can synchronously drive three throwing disc mechanisms to perform force-free lateral throwing and crushing at different rotation speeds, and can also synchronously decelerate the material distribution end to screen stones, so that stones of different specifications enter the throwing disc bodies of different rotation speeds respectively, and finally stones of different specifications are crushed according to different specifications. The sand screened out is thrown out by centrifugation at different rotation speeds inside the throwing plate body and hits three groups of lining plates with the same lateral spacing to be broken into sand with relatively consistent specifications and diameters. The present invention also designs the three groups of throwing plate mechanisms so that sand discharge and centrifugal throwing do not interfere with each other, which can avoid the problem of collision between downward sand discharge and lateral centrifugal throwing and ensure the stability of the stone crushing quality. Through the design of the present invention, stone aggregates of different specifications can be directly poured into the equipment without the need for advance vibration screening and classification of various stone specifications, and without the need to adjust the speed of the rotor for stones of different specifications, which saves time and effort, and does not need to screen out the sand that does not meet the specifications, and is not prone to waste of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural schematic diagram of a vertical sand making machine of the present invention;

[0026] Figure 2 It is a schematic diagram of the partial structural connection of the vertical beam, the driving end and the throwing plate mechanism of the present invention;

[0027] Figure 3 This is a schematic diagram of the vertical beam structure of the present invention;

[0028] Figure 4 This is a schematic diagram of the driving end structure of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the first speed change gear set of the present invention;

[0030] Figure 6 This is a schematic diagram of the material distribution end structure of the present invention;

[0031] Figure 7 This is a schematic diagram of the structure of the first spinning disc mechanism of the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the liner assembly of the present invention;

[0033] Fig. 9 This is a schematic diagram of the structure of the first feed hopper of the present invention;

[0034] Fig.10 This is a schematic structural diagram of the first material guide plate of the present invention;

[0035] Fig.11 It is a schematic diagram of the effects of different rotation speeds of three sets of disk-throwing mechanisms and three sets of speed-changing gear sets of the present invention. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0037] See also Figure 1-Figure 11The present invention provides a vertical sand making machine and a working method thereof: the machine comprises a frame 1, and a vertical beam 2 is vertically arranged on the top surface of the frame 1, and a driving end 3 is sleeved in the middle of the cavity of the vertical beam 2, a material distribution end 4 is arranged on the top surface of the vertical beam 2, and a first throwing disc mechanism 5, a second throwing disc mechanism 6 and a third throwing disc mechanism 7 are arranged on the beam body of the vertical beam 2 from bottom to top, and a lining plate group 8 is sleeved on the outer ring between the first throwing disc mechanism 5, the second throwing disc mechanism 6 and the third throwing disc mechanism 7, and a first throwing disc mechanism 5, a second throwing disc mechanism 6 and a third throwing disc mechanism 7 are arranged in the middle of the lining plate group 8. A guide plate 9 is provided, and the upper end of the first guide plate 9 extends to the bottom of the third throwing plate mechanism 7. The lower end of the lining plate group 8 is provided with a second guide plate 10, and the upper end of the second guide plate 10 extends to the bottom of the second throwing plate mechanism 6. The lower end of the lining plate group 8 is connected to a discharge hopper 11. The lower surface of the distributing end 4 is sequentially sleeved with a first feed hopper 12, a second feed hopper 13 and a third feed hopper 14 from the outside to the inside. The lower end of the first feed hopper 12 passes through the cavity of the vertical beam 2 and extends to the upper end of the cavity of the third throwing plate mechanism 7. The lower end of the second feed hopper 13 passes through the cavity of the vertical beam 2 and extends to the upper part of the cavity of the second disk throwing mechanism 6. The lower end of the first feed hopper 12 passes through the cavity of the vertical beam 2 and extends to the upper part of the cavity of the first disk throwing mechanism 5. The driving end 3 includes a rotating shaft 31, and the lower end of the rotating shaft 31 is sleeved with a first bearing 32, and the bottom surface of the rotating shaft 31 is connected to the motor 33. The first speed change gear set 34, the second speed change gear set 35 and the third speed change gear set 36 are arranged on the shaft body of the rotating shaft 31 from bottom to top. 6. A reduction gear set 37 is provided on the top surface of the rotating shaft 31. The left end of the first speed-changing gear set 34 is meshed with the left inner end of the internal gear turntable of the first throwing disc mechanism 5 for transmission. The left end of the second speed-changing gear set 35 is meshed with the left inner end of the internal gear turntable of the second throwing disc mechanism 6 for transmission. The left end of the third speed-changing gear set 36 is meshed with the left inner end of the internal gear turntable of the third throwing disc mechanism 7 for transmission. The left end of the reduction gear set 37 is meshed with the left inner end of the internal gear turntable of the distributing end 4 for transmission.

[0038] The vertical beam 2 includes a vertical beam body 21, and the vertical beam body 21 is composed of multiple sections of circular tubes and is a hollow structure. A plurality of feed hopper openings 22 are opened at the upper end of the vertical beam body 21, and a plurality of feed hopper pipe outlets 23 and a plurality of gear extension openings 24 are also spaced apart on the vertical beam body 21. A throwing disc seat 25 is arranged on the vertical beam body 21 below each gear extension opening 24, and a screening disc seat 26 is arranged at the top of the vertical beam body 21.

[0039] The first speed gear set 34 includes a speed gear seat 341, and a second bearing 342 and a rotating shaft 343 are embedded on the top surface of the speed gear seat 341, and a pulley set 344 is sleeved on the shaft body of the rotating shaft 343, and a speed gear 345 is arranged on the top surface of the rotating shaft 343, and the pulley set 344 is composed of a first pulley, a second pulley and a belt that are mutually connected in transmission. The first speed gear set 34, the second speed gear set 35 and the third speed gear set 36 have the same structure, but the speed gear 345 on the first speed gear set 34 has a diameter of 10-12CM, the speed gear 345 on the second speed gear set 35 has a diameter of 13-15CM, and the speed gear 345 on the third speed gear set 36 has a diameter of 16-18CM.

[0040] The distribution end 4 includes a screening plate 41, and a first inner-toothed turntable 42 is provided on the bottom surface of the screening plate 41, and a first rotating seat 43 is provided on the bottom surface of the first inner-toothed turntable 42. The screening plate 41 includes a conical plate 411, and a first screen 412 corresponding to the third feed hopper 14, a second screen 413 corresponding to the second feed hopper 13, and a third screen 414 corresponding to the first feed hopper 12 are arranged on the conical surface of the conical plate 411 from inside to outside. A slag storage edge 415 is provided on the outer periphery of the conical plate 411, and a slag collecting block 416 is provided on one side of the slag storage edge 415.

[0041] The mesh diameter of the first sieve 412 is 5.3 mm, the mesh diameter of the second sieve 413 is 6.3 mm, and the mesh diameter of the third sieve 414 is 7.3 mm.

[0042] The first disk throwing mechanism 5 includes a disk throwing assembly 51, and a second inner-toothed turntable 52 is arranged on the bottom surface of the disk throwing assembly 51, and a second rotating seat 53 is arranged on the bottom surface of the second inner-toothed turntable 52. The disk throwing assembly 51 includes a disk throwing body 511, and a leak-proof tube 512 for the vertical beam body 21 to pass through is arranged in the middle of the disk throwing body 511. A plurality of throwing ports 513 are arranged around the disk throwing body 511 in a circular array. The first disk throwing mechanism 5, the second disk throwing mechanism 6 and the third disk throwing mechanism 7 have the same structure.

[0043] The lining plate group 8 includes an outer shell 81, and the inner wall of the outer shell 81 is provided with two lining plate seats 82 in a ring-shaped manner, and three groups of lining plates 83 are arranged at intervals on the inner walls of the two lining plate seats 82. A first discharge channel 84 is opened on the inner side of the two lining plate seats 82 corresponding to the first guide plate 9, and a second discharge channel 85 is opened on the inner side of the two lining plate seats 82 corresponding to the second guide plate 10.

[0044] The first feed hopper 12 is composed of a plurality of arc-shaped hopper parts spliced ​​in a circular array, and the number of each arc-shaped hopper part is two or three, and each of the arc-shaped hopper parts includes an arc-shaped feed hopper 121, and the lower end of the arc-shaped feed hopper 121 is connected to an extension tube 122, and the lower end of the extension tube 122 is connected to a discharge pipe head 123, and the first feed hopper 12, the second feed hopper 13 and the third feed hopper 14 have the same structure.

[0045] The first material guide plate 9 is composed of two arc-shaped inclined plates spliced ​​in a circular shape, and the first material guide plate 9 and the second material guide plate 10 have the same structure.

[0046] Working principle:

[0047] First, stones are fed from the outside to the middle area of ​​the conical disk 411, and then the motor 33 drives the rotating shaft 31 to rotate. After the first speed gear set 34, the second speed gear set 35, and the third speed gear set 36 use the speed gear set to engage with the internal gear turntable to drive, synchronously drive the first disk throwing mechanism 5, the second disk throwing mechanism 6 and the third disk throwing mechanism 7. The three disk throwing mechanisms adopt different speed centrifugal methods to throw materials and crush. Because the diameter of the speed gear 345 on the first speed gear set 34 is 10-12CM, the diameter of the speed gear 345 on the second speed gear set 35 is 13-15CM, and the diameter of the speed gear 345 on the third speed gear set 36 is 16-18CM, the speeds of the three speed gear sets are respectively the third disk throwing mechanism 7, the second disk throwing mechanism 6, and the first disk throwing mechanism 5 from fast to slow, which can realize the multi-stage speed change drive of the same rotating shaft 31.

[0048] It also drives the screening disc 41 to decelerate and divide the materials synchronously through the reduction gear set 37. It should be noted that the driving end 3 is mainly used to drive the high-speed rotation of the three sets of disk mechanisms, and the screening disc 41 cannot be too fast when screening, otherwise it cannot be screened. Therefore, the deceleration effect of the reduction gear set 37 is very important. When the centrifugal force is used for screening, the stones move from the inner end of the screening disc 41 cavity to the outer end. Because the mesh diameter of the first screen 412 is 5.3mm, the mesh diameter of the second screen 413 is 6.3mm, and the mesh diameter of the third screen 414 is 7.3m m, so when passing through the first screen 412, the fine stones are screened out and pass through the third feed hopper 14 to the first disk mechanism 5, when passing through the second screen 413, the medium stones are screened out and pass through the second feed hopper 13 to the second disk mechanism 6, and when passing through the third screen 414, the coarse stones are screened out and pass through the first feed hopper 12 to the third disk mechanism 7. The three groups of disk mechanisms use three different corresponding rotational speeds to produce centrifugal forces to throw out stones of fine, medium and coarse diameters and impact them onto the three groups of lining plates 83 with the same corresponding lateral spacing to impact and break them into sand with relatively uniform diameter.

[0049] The first guide plate 9 and the second guide plate 10 can discharge the sand crushed by the second flinging disc mechanism 6 and the third flinging disc mechanism 7 separately, so as to prevent the upper sand from interfering with each other when being discharged downward, thereby affecting the crushing quality of the stone. Finally, the sand is discharged into the discharge hopper 11 for external discharge. If the sand is not discharged separately, the sand discharged downward will collide with the stone thrown out by the horizontal centrifugation, so that the horizontal centrifugal throwing speed of the stone is affected, thereby making the sand quality uneven.

[0050] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0051] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vertical sand making machine, characterized in that: The invention comprises a frame (1), wherein a vertical beam (2) is vertically arranged on the top surface of the frame (1), and a driving end (3) is sleeved in the middle of the cavity of the vertical beam (2), and a material distribution end (4) is arranged on the top surface of the vertical beam (2), and a first throwing disc mechanism (5), a second throwing disc mechanism (6) and a third throwing disc mechanism (7) are arranged on the beam body of the vertical beam (2) from bottom to top, respectively, and a lining plate group (8) is sleeved on the outer ring between the first throwing disc mechanism (5), the second throwing disc mechanism (6) and the third throwing disc mechanism (7), and a first material guide plate (9) is arranged in the middle of the lining plate group (8), and the upper end of the first material guide plate (9) extends to the bottom of the third throwing disc mechanism (7), and the lower end of the lining plate group (8) is provided with a second material guide plate (9). The upper end of the second material guide plate (10) extends to the lower part of the second spinning disc mechanism (6); the lower part of the lining plate group (8) is connected to a discharge hopper (11); the lower part of the bottom surface of the material distribution end (4) is provided with a first feed hopper (12), a second feed hopper (13) and a third feed hopper (14) in sequence from the outside to the inside; the lower end of the first feed hopper (12) passes through the cavity of the vertical beam (2) and extends to the upper part of the cavity of the third spinning disc mechanism (7); the lower end of the second feed hopper (13) passes through the cavity of the vertical beam (2) and extends to the upper part of the cavity of the second spinning disc mechanism (6); the lower end of the first feed hopper (12) passes through the cavity of the vertical beam (2) and extends to the upper part of the cavity of the first spinning disc mechanism (5); The driving end (3) comprises a rotating shaft (31), the lower end of the rotating shaft (31) is sleeved with a first bearing (32), the bottom surface of the rotating shaft (31) is drivingly connected to a motor (33), a first speed change gear set (34), a second speed change gear set (35) and a third speed change gear set (36) are arranged on the shaft body of the rotating shaft (31) from bottom to top, and a reduction gear set (37) is arranged on the top surface of the rotating shaft (31); The left end of the first speed gear set (34) is meshed with the left inner end of the internal gear rotating disk of the first swing plate mechanism (5) for transmission, the left end of the second speed gear set (35) is meshed with the left inner end of the internal gear rotating disk of the second swing plate mechanism (6) for transmission, the left end of the third speed gear set (36) is meshed with the left inner end of the internal gear rotating disk of the third swing plate mechanism (7) for transmission, and the left end of the reduction gear set (37) is meshed with the left inner end of the internal gear rotating disk of the material distribution end (4) for transmission; The vertical beam (2) comprises a vertical beam body (21), and the vertical beam body (21) is composed of a plurality of circular tubes spliced ​​together and has a hollow structure. A plurality of feed hopper openings (22) are provided at the upper end of the vertical beam body (21). A plurality of feed hopper outlets (23) and a plurality of gear extension openings (24) are also provided at intervals on the vertical beam body (21). A throwing disc seat (25) is provided on the vertical beam body (21) below each gear extension opening (24). A screening disc seat (26) is provided at the top end of the vertical beam body (21); The first speed change gear set (34) comprises a speed change gear seat (341), and a second bearing (342) and a rotating shaft (343) are embedded on the top surface of the speed change gear seat (341), and a belt pulley set (344) is sleeved on the shaft body of the rotating shaft (343), and a speed change gear (345) is arranged on the top surface of the rotating shaft (343), and the belt pulley set (344) is composed of a first belt pulley, a second belt pulley and a belt that are mutually connected in transmission; The first speed gear set (34), the second speed gear set (35) and the third speed gear set (36) have the same structure, but the speed gear (345) on the first speed gear set (34) has a diameter of 10-12 cm, the speed gear (345) on the second speed gear set (35) has a diameter of 13-15 cm, and the speed gear (345) on the third speed gear set (36) has a diameter of 16-18 cm; The material distribution end (4) comprises a screening disc (41), and a first internal tooth rotating disc (42) is arranged on the bottom surface of the screening disc (41), and a first rotating seat (43) is arranged on the bottom surface of the first internal tooth rotating disc (42); The screening plate (41) comprises a conical plate (411), and a first screen (412) corresponding to the third feed hopper (14), a second screen (413) corresponding to the second feed hopper (13), and a third screen (414) corresponding to the first feed hopper (12) are arranged at intervals from the inside to the outside on the conical surface of the conical plate (411); a slag storage edge (415) is arranged on the outer circumference of the conical plate (411), and a slag collecting block (416) is arranged on one side of the slag storage edge (415); The mesh diameter of the first screen (412) is 5.3 mm, the mesh diameter of the second screen (413) is 6.3 mm, and the mesh diameter of the third screen (414) is 7.3 mm; The first spinning disc mechanism (5) comprises a spinning disc assembly (51), wherein a second inner-tooth rotating disc (52) is arranged on the bottom surface of the spinning disc assembly (51), and a second rotating seat (53) is arranged on the bottom surface of the second inner-tooth rotating disc (52); The spinning disc assembly (51) comprises a spinning disc body (511), and a leak-proof tube (512) for the vertical beam body (21) to pass through is provided in the middle of the spinning disc body (511), and a plurality of material throwing openings (513) are provided in a circular array around the spinning disc body (511), and the first spinning disc mechanism (5), the second spinning disc mechanism (6) and the third spinning disc mechanism (7) have the same structure; The lining plate group (8) comprises an outer shell (81), and the inner wall of the outer shell (81) is provided with two lining plate seats (82) spliced ​​in an annular manner, and three groups of lining plates (83) are arranged on the inner walls of the two lining plate seats (82) at intervals, and a first material discharge channel (84) is opened through the inner side of the two lining plate seats (82) corresponding to the first material guide plate (9), and a second material discharge channel (85) is opened through the inner side of the two lining plate seats (82) corresponding to the second material guide plate (10).

2. A vertical sand making machine according to claim 1, characterized in that: The first feed hopper (12) is composed of a plurality of arc-shaped hopper parts spliced ​​in a circular array, and the number of each arc-shaped hopper part is two or three. Each of the arc-shaped hopper parts includes an arc-shaped feed hopper (121), and the lower end of the arc-shaped feed hopper (121) is connected to an extension tube (122), and the lower end of the extension tube (122) is connected to a discharge pipe head (123). The first feed hopper (12), the second feed hopper (13) and the third feed hopper (14) have the same structure.

3. A vertical sand making machine according to claim 2, characterized in that: The first material guide plate (9) is composed of two arc-shaped inclined plates spliced ​​in a circular shape, and the first material guide plate (9) and the second material guide plate (10) have the same structure.

4. A working method of a vertical sand making machine according to claim 3, characterized in that: The working method is as follows: First, stones are fed from the outside to the middle area of ​​the conical disk (411), and then the motor (33) drives the rotating shaft (31) to rotate, so that the first speed change gear set (34), the second speed change gear set (35), and the third speed change gear set (36) are driven in a meshing manner with the internal gear rotating disk, and synchronously drive the first throwing plate mechanism (5), the second throwing plate mechanism (6) and the third throwing plate mechanism (7). The three throwing plate mechanisms respectively use different speeds of centrifugal methods to throw and crush materials, and also synchronously drive the screening plate (41) through the reduction gear set (37) to reduce speed and separate materials. When centrifugal force separation and screening, the stones move from the inner end of the cavity of the screening plate (41) to the outer end, and when passing through the first screen (412), the fine stones are screened out and pass through the third feeding hopper (14) to the first throwing plate mechanism (5), and pass through the second screen ( When the sieve is passed through the third screen (414), the medium-sized stones are screened out and pass through the second feed hopper (13) to the second throwing disc mechanism (6). When the sieve is passed through the third screen (414), the coarse stones are screened out and pass through the first feed hopper (12) to the third throwing disc mechanism (7). The three groups of throwing disc mechanisms respectively use three different centrifugal forces generated by corresponding rotation speeds to throw out stones of fine, medium and coarse diameters and impact them onto three groups of lining plates (83) with the same horizontal spacing to impact and crush them into sand with uniform diameter. The first guide plate (9) and the second guide plate (10) can respectively discharge the sand crushed by the second throwing disc mechanism (6) and the third throwing disc mechanism (7) separately to prevent the upper end sand from interfering with each other when being discharged downward, thereby affecting the crushing quality of the stones. Finally, the sand is discharged downward into the discharge hopper (11) for external discharge.

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