CN211937309U

CN211937309U - Efficient system sand device

Info

Publication number: CN211937309U
Application number: CN202020288772.0U
Authority: CN
Inventors: 马少镇; 张晓刚; 李玉龙
Original assignee: China Railway Construction Group Architecture Development Co Ltd
Current assignee: China Railway Construction Group Architecture Development Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-17
Anticipated expiration: 2030-03-10

Abstract

The utility model relates to an efficient sand making device, which comprises a tank body, wherein the lower end of the tank body is provided with a discharge pipe, the upper end of the tank body is provided with a feed pipe for materials to pass through, a rotating seat is arranged below the feed pipe, a rotating shaft is arranged on the rotating seat, a driving motor for driving the rotating shaft to rotate is arranged on the tank body, an impact plate is arranged on the inner peripheral surface of the tank body, a grinding mechanism is arranged in the tank body, and the grinding mechanism is positioned below the rotating seat; grind mechanism including a plurality of set up in epaxial stirring leaf of axis and a plurality of set up in grind ball on the stirring leaf, grind ball is located the stirring leaf is kept away from the one end of axis of rotation, just grind ball with stirring leaf one-to-one, grind ball is located the below of striking plate. The device can grind the material repeatedly for the comminuted granule is tiny, has the advantage of better crushing effect.

Description

Efficient system sand device

Technical Field

The utility model relates to a system sand equipment technical field, in particular to efficient system sand device.

Background

The vertical shaft impact sand making machine, also called an impact crusher, is widely applied to the field of medium and fine crushing of high-hardness and extra-hard materials such as various ores, cement, refractory materials, bauxite chamotte, carborundum, glass raw materials and the like, is commonly used in crushing of building sand, stone and various metallurgical slag in mechanical manufacturing, and has the characteristics of high yield and good crushing effect compared with other types of sand making machines.

The patent document with the prior publication date of 2012.09.05 and publication number of CN202410787U discloses a sand making machine, which comprises a feed hopper and a rotating seat, wherein two flow channels are symmetrically arranged on the rotating seat along the rotating centrifugal direction of the rotating seat, materials are fed into the rotating seat through the feed hopper, and the rotating seat rotates at a high speed to throw out and break the materials through the flow channels.

The device can collide with another part of materials which are shunted around the impeller in an umbrella-shaped manner under the action of high-speed centrifugal force, and then mutually collide, rub and crush again or repeatedly in a strong vortex formed between the impeller and the casing, and then the materials are discharged from the discharge hole and then are controlled by screening equipment to reach the required finished product granularity. However, the mineral aggregate particles produced by the impact crushing method in the device are still large, and the crushing effect is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an efficient system sand device, the device can grind the material repeatedly for the comminuted granule is tiny, has the advantage of better crushing effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: an efficient sand making device comprises a tank body, wherein a discharge pipe is arranged at the lower end of the tank body, a feed pipe for materials to pass through is arranged at the upper end of the tank body, a rotary seat is arranged below the feed pipe, a rotating shaft is arranged on the rotary seat, a driving motor for driving the rotating shaft to rotate is arranged on the tank body, a striking plate is arranged on the inner circumferential surface of the tank body, a grinding mechanism for repeatedly grinding the materials is arranged in the tank body, and the grinding mechanism is positioned below the rotary seat; grind mechanism including a plurality of set up in epaxial stirring leaf of axis and a plurality of set up in grind ball on the stirring leaf, grind ball is located the stirring leaf is kept away from the one end of axis of rotation, just grind ball with stirring leaf one-to-one, grind ball is located the below of striking plate.

By adopting the technical scheme, the rotating shaft is driven to rotate by the driving motor, the rotating shaft drives the rotating seat to rotate, then the material is added into the tank body from the feeding pipe, falls onto the rotating seat through the feeding pipe, and splashes onto the impact plate under the action of centrifugal force to preliminarily crush the material; the material after preliminary crushing is ground once more through the ball mill, grinds repeatedly until grinding and discharge in the discharge tube after suitable size. Therefore, the utility model discloses can grind the material repeatedly for the comminuted granule is tiny, has the advantage of better crushing effect.

The utility model discloses further set up to: a filter screen is arranged below the grinding balls, and an excitation assembly for driving the filter screen to vibrate up and down is arranged at the lower end of the filter screen.

By adopting the technical scheme, the materials which are qualified after being ground are screened out and discharged through the filter screen, and the vibration exciting assembly drives the filter screen to vibrate up and down so that the unqualified materials enter the grinding ball again, so that the unqualified materials are repeatedly ground.

The utility model discloses further set up to: the excitation subassembly including set up in the pivot of filter screen lower surface and set up in epaxial cam rotates, be provided with on the jar body and be used for the drive pivot pivoted excitation motor, the cam with the coaxial rotation of pivot, the outer peripheral face butt of cam in the lower surface of filter screen.

Through adopting above-mentioned technical scheme, drive the pivot through excitation motor and rotate, drive the cam through the rotation of pivot and rotate to drive the filter screen through the cam and vibrate from top to bottom.

The utility model discloses further set up to: the cam sets up to a plurality ofly, a plurality of the cam sets up along the length direction interval of pivot.

By adopting the technical scheme, the upward acting force can be applied to the filter screen at a plurality of positions on the lower surface of the filter screen through the arrangement of the plurality of cams.

The utility model discloses further set up to: the vibration excitation assembly further comprises a limiting block arranged on the inner circumferential surface of the tank body, the limiting block is located below the filter screen, and a reset elastic piece in a stretching state is arranged between the limiting block and the filter screen.

By adopting the technical scheme, when the far center point of the cam is far away from the filter screen, the filter screen moves downwards under the extrusion of the compression elastic part on the filter screen and the gravity action of the filter screen, so that the filter screen can realize reciprocating motion.

The utility model discloses further set up to: spacing holes are formed in the limiting block, limiting rods are arranged on the filter screen, and the limiting rods are connected in the spacing holes in a sliding mode.

Through adopting above-mentioned technical scheme, slide through the gag lever post and connect in spacing downthehole to produce the displacement when preventing the filter screen up-and-down motion, play limiting displacement to the filter screen.

The utility model discloses further set up to: the excitation components are arranged into a plurality of groups, and the excitation components are equally distributed on two sides of the rotating shaft.

By adopting the technical scheme, the driving force to the filter screen is increased through the multiple groups of excitation assemblies.

The utility model discloses further set up to: the striking plate is arranged at an included angle of 45 degrees with the horizontal plane downwards, and the rotating seat and the striking plate are positioned on the same horizontal line.

Through adopting above-mentioned technical scheme, the material that falls into the roating seat splashes on the striking plate, through 45 settings down of striking plate, makes the material after the striking fall into on the grinding ball perpendicularly to grind the material once more.

The utility model discloses further set up to: the inner bottom wall of the tank body is obliquely arranged, and the discharge pipe is located at the lowest end of the inner bottom wall of the tank body.

Through adopting above-mentioned technical scheme, the slope setting through the inner diapire of the jar body makes the material through the filter screen slide to the least significant end of the jar body, and then gets rid of from the discharge gate.

To sum up, the utility model discloses following beneficial effect has: the rotating shaft is driven to rotate by the driving motor, the rotating shaft drives the rotating seat to rotate, then the materials are added into the tank body from the feeding pipe, fall onto the rotating seat through the feeding pipe, and are splashed onto the impact plate under the action of centrifugal force to preliminarily crush the materials; the material after preliminary crushing is ground repeatedly through grinding mechanism and is discharged from the discharging tube after grinding to suitable size. Therefore, the utility model discloses can grind the material repeatedly for the comminuted granule is tiny, has the advantage of better crushing effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a partially enlarged schematic view of a portion C in fig. 4.

In the figure: 1. a tank body; 11. a feed pipe; 111. a limiting convex ring; 12. a discharge pipe; 13. a support; 2. a drive motor; 21. a rotating shaft; 211. a rotating base; 212. a limiting ring; 3. an impact plate; 4. a grinding mechanism; 41. stirring blades; 42. grinding balls; 43. a filter screen; 431. a limiting rod; 44. an excitation assembly; 441. an excitation motor; 442. a rotating shaft; 443. a cam; 444. a limiting block; 445. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an efficient system sand device, including jar body 1. A feed pipe 11 is fixedly arranged in the middle of the top wall of the tank body 1, and the lower end of the feed pipe 11 extends to the inner side of the tank body 1; a discharge pipe 12 is welded on the side wall of the tank body 1, the inner bottom wall of the tank body 1 is obliquely arranged, and the discharge pipe 12 is positioned at the lowest end of the inner bottom wall of the tank body 1; the bottom wall of the tank body 1 is welded with a bracket 13.

Referring to fig. 2, 3 and 4, a rotating shaft 21 is disposed in the can body 1, a driving motor 2 is fixedly disposed on the outer bottom wall of the can body 1, and the lower end key of the rotating shaft 21 is connected to an output shaft of the driving motor 2 for coaxial rotation. The upper surface of axis of rotation 21 is provided with roating seat 211, and roating seat 211 is located inlet pipe 11 under, and the outer peripheral face welding of inlet pipe 11 has spacing outer bulge loop 111, and the outer peripheral face welding of axis of rotation 21 has spacing ring 212, and roating seat 211 is located between spacing outer bulge loop 111 and the spacing ring 212. The inner peripheral surface of the tank body 1 is fixedly provided with an impact plate 3, the upper end of the impact plate 3 inclines towards one end far away from the inner wall of the tank body 1, an included angle of 45 degrees is formed between the impact plate 3 and the horizontal plane, the upper surface of the impact plate 3 is higher than the limiting convex ring 111, and the lower surface of the impact plate 3 is lower than the limiting ring 212, so that materials fed from the feeding hole impact the impact plate 3 through the centrifugal force of the rotary seat 211 to be crushed, and the crushed materials vertically fall.

As shown in fig. 4 and 5, a grinding mechanism 4 for repeatedly grinding the material is provided in the tank 1, and the grinding mechanism 4 is located below the rotary base 211.

The grinding mechanism 4 includes a plurality of stirring blades 41, a plurality of grinding balls 42, a filter screen 43, and two sets of excitation assemblies 44. One end of the stirring blade 41 is welded to the rotating shaft 21. The grinding balls 42 are fixedly arranged on one side of the stirring blade 41 away from the rotating shaft 21, the stirring blade 41 corresponds to the grinding balls 42 one by one, the grinding balls 42 are positioned under the impact plate 3, and the materials crushed by the impact plate 3 fall into the grinding balls 42 for grinding. The filter screen 43 is slidably connected in the tank 1, and the filter screen 43 is located below the grinding balls 42. Two sets of excitation assemblies 44 are located on either side of the rotating shaft 21.

The excitation assembly 44 includes an excitation motor 441, a rotating shaft 442, two cams 443, four stoppers 444, and four return elastic members. The excitation motor 441 is fixedly arranged on the outer side wall of the tank body 1. The rotating shaft 442 is located in the tank 1, one end of the rotating shaft 442 extends to the outer side of the tank 1 and is connected to the output shaft of the excitation motor 441 to coaxially rotate, and the other end of the rotating shaft 442 is rotatably connected to the inner wall of the tank 1. The cams 443 are fixed on the rotating shaft 442 and rotate coaxially, the two cams 443 are spaced apart along the length direction of the rotating shaft 442, and the outer peripheral surfaces of the cams 443 abut against the lower surface of the filter screen 43. The limiting blocks 444 are fixedly arranged on the inner wall of the tank body 1, the limiting blocks 444 are positioned at the lower end of the filter screen 43, the four limiting blocks 444 are arranged at intervals, and the limiting blocks 444 and the cam 443 are arranged at intervals; the limiting block 444 is provided with a limiting hole, the lower surface of the filter screen 43 is fixedly provided with a limiting rod 431, and the limiting rod 431 is connected in the limiting hole in a sliding manner, so that the filter screen 43 is prevented from moving up and down. The elastic component that resets is reset spring 445, and reset spring 445's one end sets firmly in the lower surface of filter screen 43, and the other end sets firmly in the upper surface of stopper 444, and reset spring 445 cover is located the outside of gag lever post 431.

The implementation principle of the embodiment is as follows: the rotating shaft 21 is driven to rotate by the driving motor 2, the rotating shaft 21 drives the rotating base 211 to rotate, then materials are added into the tank body 1 from the feeding pipe 11, the materials fall onto the rotating base 211 through the feeding pipe 11, and the materials are splashed onto the impact plate 3 along the limiting ring 212 and the limiting outer convex ring 111 under the action of centrifugal force to be primarily crushed; the material after preliminary crushing is ground once more through grinding ball 42, and the material after grinding falls into jar body 1 inner bottom wall through filter screen 43, and the material that fails to pass through filter screen 43 upwards bounces once more when cam 443 drives filter screen 43 upward movement and grinds, and the material is discharged in the discharging pipe 12 after grinding suitable size through being ground repeatedly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An efficient sand making device comprises a tank body (1), wherein a discharge pipe (12) is arranged at the lower end of the tank body (1), a feed pipe (11) for materials to pass through is arranged at the upper end of the tank body (1), a rotating seat (211) is arranged below the feed pipe (11), a rotating shaft (21) is arranged on the rotating seat (211), a driving motor (2) for driving the rotating shaft (21) to rotate is arranged on the tank body (1), and a striking plate (3) is arranged on the inner circumferential surface of the tank body (1), and the efficient sand making device is characterized in that a grinding mechanism (4) for repeatedly grinding materials is arranged in the tank body (1) and is positioned below the rotating seat (211);

grind mechanism (4) including a plurality of set up in stirring leaf (41) on axis of rotation (21) and a plurality of set up in grinding ball (42) on stirring leaf (41), grinding ball (42) are located stirring leaf (41) is kept away from the one end of axis of rotation (21), just grinding ball (42) with stirring leaf (41) one-to-one, grinding ball (42) are located the below of striking plate (3).

2. A high-efficiency sand making device according to claim 1, characterized in that a filter screen (43) is arranged below the grinding balls (42), and the lower end of the filter screen (43) is provided with an excitation assembly (44) for driving the filter screen (43) to vibrate up and down.

3. The efficient sand making device according to claim 2, wherein the vibration excitation assembly (44) comprises a rotating shaft (442) arranged on the lower surface of the filter screen (43) and a cam (443) arranged on the rotating shaft (442), the tank (1) is provided with a vibration excitation motor (441) for driving the rotating shaft (442) to rotate, the cam (443) and the rotating shaft (442) rotate coaxially, and the outer peripheral surface of the cam (443) abuts against the lower surface of the filter screen (43).

4. A sand manufacturing apparatus with high efficiency as claimed in claim 3, wherein the cam (443) is provided in plural number, and plural cams (443) are provided at intervals along the length direction of the rotation shaft (442).

5. The efficient sand making device according to claim 4, wherein the vibration exciting assembly (44) further comprises a limiting block (444) arranged on the inner circumferential surface of the tank body (1), the limiting block (444) is positioned below the filter screen (43), and a reset elastic member in a stretching state is arranged between the limiting block (444) and the filter screen (43).

6. The efficient sand making device as claimed in claim 5, wherein the limiting block (444) is provided with a limiting hole, the filter screen (43) is provided with a limiting rod (431), and the limiting rod (431) is connected in the limiting hole in a sliding manner.

7. The sand making device with high efficiency as claimed in claim 2, wherein the vibration exciting assemblies (44) are arranged in a plurality of groups, and the groups of vibration exciting assemblies (44) are distributed on both sides of the rotating shaft (21).

8. A high efficiency sand making device according to claim 1, characterized in that said impact plate (3) is arranged at an angle of 45 ° downwards from the horizontal, and said rotary base (211) is in the same horizontal line with said impact plate (3).

9. A high efficiency sand making device according to claim 1, characterized in that the inner bottom wall of the tank (1) is inclined and the discharge pipe (12) is located at the lowest end of the inner bottom wall of the tank (1).