CN221017244U - Mechanical ball screening machine - Google Patents

Abstract

The utility model discloses a mechanical ball screening machine, wherein a screening device comprises a plurality of screening frames, compression springs and a vibration driving device; a plurality of screening frames are distributed in sequence; the upper end opening and the peripheral side plates of each screening frame are respectively provided with powder through holes, and the aperture of each powder through hole is smaller than the outer diameter of all the material screening balls; mesh openings are formed on the bottom plates of all the screening frames except the lowermost layer; the upper end of the inner side wall of each screening frame is provided with a V-shaped screening plate, and the lower end of the inner side wall is provided with an inverted V-shaped W screening plate; the screening frames are connected by connecting supports; compression springs and vibration driving devices are respectively arranged at four corners and the middle of the lower end of the connecting support, and the compression springs and the vibration driving devices are respectively arranged on the bottom platform; the powder collector is arranged at the position, which is positioned outside the screening device, on the bottom platform. The mechanical ball screening machine provided by the utility model has the advantages that the screening effect is good, the screening discharging is convenient, the screening discharging is completely separated, and the powder produced by screening can be recovered.

Description

Mechanical ball screening machine

Technical Field

The utility model relates to a ball screening machine, in particular to a mechanical ball screening machine.

Background

In the cement mill production and processing system, the grinding body used by the cement mill is mainly a steel ball, and the grinding steel ball grinds cement mill materials, so that the cement mill materials are crushed into small particle materials with different sizes.

For a long time, the material of different particle diameters turns over storehouse selection ball and relies on manual operation, manual sorting, turns over the time of a storehouse and needs 5 days basically, and annoy workers often appear, and the time is long, and inefficiency, work load is big, the condition of effect is poor. The ball screening machine is manufactured in the market in the future, so that personnel are thoroughly liberated, and the problems of the working strength and the efficiency of the personnel are solved.

However, the existing ball screening machine for cement grinding still has some problems: when the existing ball screening machine performs layered vibration screening, the sorted materials are collected by each discharge hole, however, the discharge holes of each layer are vibrated to the discharge holes due to incomplete screening, namely, the situation that the material balls with different particle sizes are mixed in each layer of the discharge holes is likely to occur, so that the material balls with different particle sizes cannot be completely separated; meanwhile, the ball screening machine for the cement mill can screen a lot of powdery materials in the vibration screening process, the existing ball screening machine does not process the screened powdery materials, the screening working environment of the existing ball screening machine for the cement mill is bad, the powdery materials fly upwards, and the powdery materials cannot be finally recovered and are wasted.

Disclosure of utility model

In view of the above, the utility model provides a mechanical ball screening machine, which is installed to complete an automatic water pumping system and solves the problem of water accumulation in the environment where a steel slag belt is positioned.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The mechanical ball screening machine consists of a bottom platform, a screening device and a powder collecting device; the screening device comprises a plurality of screening frames, compression springs and a vibration driving device; the screening frames are distributed at a certain interval from top to bottom; powder through holes are respectively formed in the upper end opening and the peripheral side plates of each screening frame, and the aperture of each powder through hole is smaller than the outer diameter of all the material screening balls; mesh openings are formed on the bottom plates of all the screening frames except the lowermost layer; the upper end of the inner side wall of each screening frame is provided with a V-shaped screening plate, and the lower end of the inner side wall is provided with an inverted V-shaped W screening plate; the mesh apertures of the V-shaped screening plates in the screening frame from top to bottom are sequentially reduced; the screening frames are connected by connecting supports; compression springs and vibration driving devices are respectively arranged at four corners and the middle of the lower end of the connecting support, and the compression springs and the vibration driving devices are respectively arranged on the bottom platform; the powder collecting device comprises a powder collector, a collecting inlet pipe, a powder collecting bin and a collecting outlet pipe; the powder collector is arranged on the bottom platform and positioned outside the screening device; the powder collector is connected with the collecting inlet pipe; the collecting inlet pipe penetrates through the bottom platform and is connected with a powder collecting bin arranged in the bottom platform; the powder collecting bin is connected with the collecting outlet pipe, and the powder outlet pipe penetrates through the bottom platform.

Preferably, a certain distance is reserved between the two ends of the V-shaped screening plate and the inner side wall of the screening frame respectively; the two ends of the inverted V-shaped W screening plate are respectively contacted with the inner side wall of the screening frame.

Preferably, the connecting support comprises connecting longitudinal ribs and connecting transverse plates; the two sides of the screening frames are detachably provided with connecting longitudinal ribs respectively, the bottom ends of the connecting longitudinal ribs are provided with connecting transverse plates, and compression springs and vibration driving devices are arranged at four corners and the middle of the lower ends of the connecting transverse plates respectively.

Preferably, the vibration driving device comprises a driving motor and an eccentric wheel; the driving motor is arranged on the bottom platform through the motor seat, a motor shaft of the driving motor is connected with a rotating shaft of the eccentric wheel, and the eccentric wheel is arranged in the middle of the bottom end of the connecting transverse plate.

Preferably, a material sieve ball transmission device is arranged above the uppermost layer of the sieving frame; the material sieve ball conveying device comprises a conveying pipe and a distributing disc; the conveying pipe is connected with the distributing disc; the inside of the material distributing disc is hollow, and a plurality of material passing through holes are formed in the bottom plate of the material distributing disc in a penetrating manner; the material distributing disc is right opposite to the upper part of the uppermost layer of the screening frame; the aperture of the material passing through holes is larger than the outer diameters of all the material sieve balls.

Preferably, the powder collector is a vertical powder collecting tray; the width of the vertical powder collecting tray is larger than the width of the screening frame, and the height of the vertical powder collecting tray is larger than the height of the screening frame; the inside of the vertical powder collecting tray is hollow, and a plurality of collecting through holes are formed in a side plate, close to the screening device, in a penetrating manner; the other side plate of the vertical powder collecting tray is communicated and connected with a collecting inlet pipe.

Preferably, the powder collecting bin comprises a collecting bin body, a fiber bag which is arranged in the collecting bin body in a pasting manner, and a plurality of fiber layers which are sequentially arranged in the fiber bag from top to bottom; the collecting bin body is detachably arranged in the bottom platform; the lower end of the collecting bin body is in an inverted cone shape, and the collecting inlet pipe is communicated with the collecting bin body and the lower end of the fiber bag; a driving pump is arranged on the collecting inlet pipe; the upper end of the collecting bin body and the upper end of the fiber bag are connected with the collecting outlet pipe in a communicating way.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The V-shaped screening plates and the inverted V-shaped W screening plates are arranged in each layer of screening frame, so that two layers of screening plates are arranged in each layer of screening frame, the screening effect can be more complete and thorough, and meanwhile, each screening frame is convenient for pouring out the corresponding screening material balls for discharging;

(2) Each sieving frame can be detached from the connecting longitudinal ribs in sequence, split discharge materials in each sieving frame are poured into different collecting devices, so that the separation of the material balls with different particle sizes from the complete areas can be realized, the material balls with different particle sizes can not be mixed at all, and the subsequent processing treatment and the improvement of yield and quality are facilitated;

(3) The powder produced by sieving can be finally recovered, thereby saving resources.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is an overall top view of the present utility model;

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

FIG. 4 is a B-B cross-sectional view of FIG. 2;

Fig. 5 is a schematic perspective view of a vibration driving apparatus according to the present utility model.

In the figure: 1. a bottom platform; 2. a screening frame; 3. a compression spring; 4. a powder through hole; 5. a mesh; 6. v-shaped screening plates; 7. an inverted V-shaped W screening plate; 8. a transmission tube; 9. a material distributing disc; 10. a material passing through hole; 11. connecting the longitudinal ribs; 12. a connecting transverse plate; 13. a driving motor; 14. an eccentric wheel; 15. a powder collector; 16. collecting the inlet pipe; 17. collecting a bin body; 18. a collection outlet pipe; 19. a fibrous bag; 20. a fibrous layer; 21. and collecting the through holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

As shown in fig. 1-5, a mechanical ball screening machine is composed of a bottom platform 1, a screening device and a powder collecting device; the screening device comprises a plurality of screening frames 2, compression springs 3 and a vibration driving device.

The screening frames 2 are distributed at a certain interval from top to bottom; the upper end opening and the peripheral side plates of each screening frame 2 are respectively provided with a powder through hole 4, and the aperture of the powder through hole 4 is smaller than the outer diameter of all the material screening balls. Mesh openings 5 are arranged on the bottom plates of all the screening frames 2 except the lowermost layer.

The upper end of the inner side wall of each screening frame 2 is provided with a V-shaped screening plate 6, and the lower end of the inner side wall is provided with an inverted V-shaped W screening plate 7; the two ends of the V-shaped screening plate 6 are respectively spaced from the inner side wall of the screening frame 2 by a certain distance; both ends of the inverted V-shaped W screening plate 7 are respectively contacted with the inner side wall of the screening frame 2. The apertures of the V-shaped screening plate 6, the inverted V-shaped W screening plate 7 and the mesh 5 on the bottom plate in the screening ball machine are the same, and the apertures of the mesh 5 of the V-shaped screening plate 6 in the screening frame 2 from top to bottom are sequentially reduced.

A material sieve ball transmission device is arranged above the uppermost layer of the sieving frame 2; the material sieve ball conveying device comprises a conveying pipe 8 and a distributing disc 9; the transmission pipe 8 is connected with the distributing disc 9; the inside of the material distributing disc 9 is hollow, and a plurality of material passing through holes 10 are formed in the bottom plate of the material distributing disc 9 in a penetrating manner; the material distributing disc 9 is opposite to the upper part of the uppermost layer screening frame 2; the aperture of the passing through holes 10 is larger than the outer diameter of all the material sieve balls.

The plurality of screening frames 2 are connected by connecting supports. The connecting support comprises connecting longitudinal ribs 11 and connecting transverse plates 12; the two sides of the screening frames 2 are respectively provided with a connecting longitudinal rib 11 in a threaded manner, the bottom ends of the connecting longitudinal ribs 11 are provided with connecting transverse plates 12, and four corners and the middle of the lower ends of the connecting transverse plates 12 are respectively provided with a compression spring 3 and a vibration driving device. The other end of the compression spring 3 is fixedly arranged on the bottom platform 1.

The vibration driving device comprises a driving motor 13 and an eccentric wheel 14; the driving motor 13 is arranged on the bottom platform 1 through a motor seat, a motor shaft of the driving motor 13 is connected with a rotating shaft of the eccentric wheel 14, the rotating shaft is fixedly arranged in a shaft hole of the eccentric wheel 14, and the eccentric wheel 14 is fixedly arranged in the middle of the bottom end of the connecting transverse plate 12.

The powder collecting device comprises a powder collector 15, a collecting inlet pipe 16, a powder collecting bin and a collecting outlet pipe 18.

The powder collector 15 is a vertical powder collecting tray; the width of the vertical powder collecting tray is larger than the width of the screening frame 2, and the height is larger than the height of the screening frame 2. The inside of the vertical powder collecting tray is hollow, and a plurality of collecting through holes 21 are formed in a side plate close to the screening device in a penetrating way; the other side plate of the vertical powder collecting tray is communicated and connected with a collecting inlet pipe 16.

The powder collecting bin comprises a collecting bin body 17, a fiber bag 19 which is arranged in the collecting bin body 17 in a pasting manner, and a plurality of fiber layers 20 which are arranged in the fiber bag 19 in sequence from top to bottom; the collecting bin body 17 is detachably arranged in the bottom platform 1; the lower end of the collecting bin body 17 is in an inverted cone shape, and the collecting inlet pipe 16 penetrates through the bottom platform 1 to be communicated with the collecting bin body 17 and the lower end of the fiber bag 19; the collecting inlet pipe 16 is provided with a driving pump (the driving pump is not shown in the figure, the driving pump is a conventional driving pump in the market, and the method for installing the driving pump on the pipe is a conventional method disclosed in the market and is not described in detail); the upper ends of the collecting bin body 17 and the fiber bags 19 are communicated and connected with a collecting outlet pipe 18, and the powder outlet pipe penetrates through and extends out of the bottom platform 1.

The working principle of the utility model is as follows:

the material sieve balls for cement mill with different grain sizes after being ground by the grinding steel balls are conveyed into a material distributing disc 9 through a conveying pipe 8, a driving pump is arranged on the conveying pipe 8, and the material is conveyed onto a V-shaped sieving plate 6 in the uppermost sieving frame 2 through a material passing through hole 10 of the material distributing disc 9;

The driving motor 13 starts to work, the motor shaft of the driving motor 13 drives the eccentric wheel 14, and the eccentric wheel 14 drives all the screening frames 2 to rotate, so that under the action of vibration, material screening balls with different particle sizes sequentially pass through the screening frames 2 from top to bottom, the material screening balls with the particle size larger than the bottom plate mesh 5 of the uppermost screening frame 2 are left in the uppermost screening frame 2, the material screening balls with the particle size smaller than the bottom plate mesh 5 of the uppermost screening frame 2 and larger than the bottom plate mesh 5 of the middle screening frame 2 are left in the middle screening frame 2, and the material screening balls with the particle size smaller than the bottom plate mesh 5 of the middle screening frame 2 and larger than the bottom plate mesh 5 of the lowermost screening frame 2 are left in the lowermost screening frame 2;

The V-shaped screening plates 6 and the inverted V-shaped W screening plates 7 are arranged in each layer of screening frame 2, so that two layers of screening plates are arranged in each layer of screening frame 2, and the screening effect can be more complete and thorough; meanwhile, the structure and the arrangement mode of the V-shaped screening plate 6 and the inverted V-shaped W-shaped screening plate 7 are convenient for each screening frame 2 to pour out the corresponding screening balls for screening materials for discharging;

When the driving motor 13 starts to work for a period of time and the screening work is finished, the driving motor 13 stops working, and at the moment, each screening frame 2 screens out material screening balls with corresponding particle sizes; at this time, the discharging mode is as follows: each screening frame 2 is detached from the connecting longitudinal ribs 11 from top to bottom in sequence, split discharge materials (namely screened material screening balls) in each screening frame 2 are poured into different collecting devices, so that the separation of the material balls with different particle sizes can be realized, the material balls with different particle sizes can not be mixed at all, and the subsequent processing treatment and the improvement of yield and quality are facilitated;

In the vibration screening process of the mechanical ball screening machine for the cement mill, generated powder is absorbed by a powder collector 15 and then is transmitted into a collection bin body 17 through a collection inlet pipe 16, the powder is absorbed by a fiber bag 19 and a plurality of fiber layers 20, and cleaned gas is discharged from a collection outlet pipe 18; the collecting bin body 17 can be detached from the bottom platform 1, and the upper cover plate of the collecting bin body 17 can be detached and unscrewed, so that powder on the fiber bag 19 and the fiber layer 20 can be conveniently collected, and the powder can be finally recovered, thereby saving resources.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (7)

1. The mechanical ball screening machine is characterized by comprising a bottom platform (1), a screening device and a powder collecting device; the screening device comprises a plurality of screening frames (2), compression springs (3) and a vibration driving device; the screening frames (2) are distributed at a certain interval from top to bottom; powder through holes (4) are respectively formed in the upper end opening and the peripheral side plates of each screening frame (2), and the aperture of each powder through hole (4) is smaller than the outer diameter of all the material screening balls; mesh openings (5) are formed in the bottom plates of all the screening frames (2) except the lowermost layer; the upper end of the inner side wall of each screening frame (2) is provided with a V-shaped screening plate (6), and the lower end of the inner side wall is provided with an inverted V-shaped W screening plate (7); the apertures of the V-shaped screening plates (6), the inverted V-shaped W screening plates (7) and the meshes (5) on the bottom plate in the screening ball machine are the same, and the apertures of the meshes (5) of the V-shaped screening plates (6) in the screening frame (2) from top to bottom are sequentially reduced; a plurality of screening frames (2) are connected by connecting supports; compression springs (3) and vibration driving devices are respectively arranged at four corners and the middle of the lower end of the connecting support, and the compression springs (3) and the vibration driving devices are respectively arranged on the bottom platform (1); the powder collecting device comprises a powder collector (15), a collecting inlet pipe (16), a powder collecting bin and a collecting outlet pipe (18); the powder collector (15) is arranged at a position on the bottom platform (1) and positioned outside the screening device; the powder collector (15) is connected with a collecting inlet pipe (16); the collecting inlet pipe (16) penetrates through the bottom platform (1) and is connected with a powder collecting bin arranged in the bottom platform (1); the powder collecting bin is connected with a collecting outlet pipe (18), and the powder outlet pipe penetrates through the bottom platform (1).

2. The mechanical ball screening machine according to claim 1, characterized in that a certain distance is left between the two ends of the V-shaped screening plate (6) and the inner side wall of the screening frame (2); two ends of the inverted V-shaped W screening plate (7) are respectively contacted with the inner side wall of the screening frame (2).

3. The machine according to claim 1, characterized in that said connection support comprises a connection longitudinal rib (11) and a connection transverse plate (12); the two sides of the screening frames (2) are detachably provided with connecting longitudinal ribs (11) respectively, the bottom ends of the connecting longitudinal ribs (11) are provided with connecting transverse plates (12), and four corners and the middle of the lower ends of the connecting transverse plates (12) are provided with compression springs (3) and vibration driving devices respectively.

4. A machine according to claim 3, characterized in that the vibration drive comprises a drive motor (13) and an eccentric (14); the driving motor (13) is arranged on the bottom platform (1) through a motor seat, a motor shaft of the driving motor (13) is connected with a rotating shaft of the eccentric wheel (14), and the eccentric wheel (14) is arranged in the middle of the bottom end of the connecting transverse plate (12).

5. The mechanical ball screening machine according to claim 1, characterized in that a material ball screening transmission device is arranged above the uppermost screening frame (2); the material sieve ball conveying device comprises a conveying pipe (8) and a distributing disc (9); the transmission pipe (8) is connected with the distributing disc (9); the inside of the material distribution disc (9) is hollow, and a plurality of material passing through holes (10) are formed in the bottom plate of the material distribution disc (9) in a penetrating manner; the material separation disc (9) is opposite to the upper part of the uppermost layer screening frame (2); the aperture of the material passing through holes (10) is larger than the outer diameter of all the material sieve balls.

6. The machine according to claim 1, characterized in that the powder collector (15) is a vertical powder collection tray; the width of the vertical powder collecting tray is larger than the width of the screening frame (2), and the height of the vertical powder collecting tray is larger than the height of the screening frame (2); the inside of the vertical powder collecting tray is hollow, and a plurality of collecting through holes (21) are formed in a side plate, close to the screening device, in a penetrating manner; the other side plate of the vertical powder collecting tray is communicated and connected with a collecting inlet pipe (16).

7. The mechanical ball screening machine according to claim 1, wherein the powder collecting bin comprises a collecting bin body (17), a fiber bag (19) attached to the collecting bin body (17), and a plurality of fiber layers (20) sequentially arranged in the fiber bag (19) from top to bottom; the collecting bin body (17) is detachably arranged in the bottom platform (1); the lower end of the collecting bin body (17) is in an inverted cone shape, and the collecting inlet pipe (16) is communicated and connected with the collecting bin body (17) and the lower end of the fiber bag (19); a drive pump is arranged on the collecting inlet pipe (16); the upper end of the collecting bin body (17) and the upper end of the fiber bag (19) are communicated and connected with the collecting outlet pipe (18).