阅读说明：本技术 一种离心式筛沙机 (Centrifugal sand screening machine ) 是由 李珙 于 2019-10-16 设计创作，主要内容包括：本发明公开了一种离心式筛沙机,包括进料斗、筛筒、筛沙箱、磁性吸附网、吸风机和搅拌筒,进料斗为圆锥状且进料斗的底部开设有下料口,下料口与筛沙箱连通,筛沙箱的中部设置有筛筒,筛筒的底部焊接有固定块,固定块与电动机的电机轴连接,电动机固定在筛沙箱的底部,筛筒由内到外依次设有一号筛网和二号筛网,筛筒的外侧设有磁性吸附网,筛沙箱的底部设有出料斗,出料斗底端的一侧开设有出沙口,通过电动机带动筛筒旋转,使沙石做离心运动,在高速旋转下加快了筛网的筛选速度,通过设置磁性吸附网,可吸附沙子中的金属杂质颗粒,使沙子更纯净,而且通过导线的通断电即可实现吸附和收集,方便操作。(The invention discloses a centrifugal sand screening machine, which comprises a feed hopper, a screen cylinder, a sand screening box, a magnetic adsorption net, a suction fan and a stirring cylinder, wherein the feed hopper is conical, the bottom of the feed hopper is provided with a feed opening, the feed opening is communicated with the sand screening box, the middle part of the sand screening box is provided with the screen cylinder, the bottom of the screen cylinder is welded with a fixed block, the fixed block is connected with a motor shaft of a motor, the motor is fixed at the bottom of the sand screening box, the screen cylinder is sequentially provided with a first screen and a second screen from inside to outside, the outer side of the screen cylinder is provided with the magnetic adsorption net, the bottom of the sand screening box is provided with a discharge hopper, one side of the bottom end of the discharge hopper is provided with a sand outlet, the screen cylinder is driven by the motor to rotate so that sand and stone do centrifugal motion, the screening speed of the screen is accelerated under high-speed rotation, and the magnetic adsorption net can adsorb metal impurity particles in sand, and the adsorption and, the operation is convenient.)

1. A centrifugal sand screening machine comprises a feed hopper (1), a screen drum (3), a sand screening box (4), a magnetic adsorption net (7), a suction fan (12) and a stirring drum (14), and is characterized in that the feed hopper (1) is conical, a feed opening (2) is formed in the bottom of the feed hopper (1), the feed opening (2) is communicated with the sand screening box (4), the screen drum (3) is arranged in the middle of the sand screening box (4), a fixing block (8) is welded at the bottom of the screen drum (3), the fixing block (8) is connected with a motor shaft of a motor (9), the motor (9) is fixed at the bottom of the sand screening box (4), a first screen (5) and a second screen (6) are sequentially arranged on the screen drum (3) from inside to outside, the magnetic adsorption net (7) is arranged on the outer side of the screen drum (3), and a discharge hopper (11) is arranged at the bottom of the sand screening box (4), the sand outlet is formed in one side of the bottom end of the discharge hopper (11), a metal outlet is formed in the other side of the bottom end of the discharge hopper (11), a cloth bag (10) is bonded to the outer side of the metal outlet, the tail end of the cloth bag (10) is connected with an air suction opening of a suction fan (12), an air outlet of the suction fan (12) is communicated with a collecting box (13), four supporting legs are supported at the bottom of the sand sieving box (4), the bottoms of the supporting legs are welded on a base (21), a stirring barrel (14) is further arranged on the base (21), a water filling opening (16) is formed in the top of the stirring barrel (14), a stirring motor (15) is installed on one side of the water filling opening (16), a motor shaft of the stirring motor (15) is connected with a stirring shaft (17) through a coupling, stirring blades (18) are fixed on two sides of the stirring shaft (17), and a stirring plate (19) is fixed on the stirring shaft (17) between every, one side of a mixing drum (14) is provided with a sand inlet (20), the sand inlet (20) is positioned below the sand outlet, and the upper surface of the base (21) is further embedded with a control switch (22).

2. A centrifugal sand screen according to claim 1, characterized in that the screen cylinder (3) and the screening flask (4) are both cylindrical in shape.

3. A centrifugal sand screen according to claim 1, characterized in that the mesh diameter of the first screen (5) is larger than the mesh diameter of the second screen (6), and that at least two layers of screens are arranged in the screen cylinder (3).

4. A centrifugal sand screen according to claim 1, characterized in that the magnetically attractive net (7) is formed by a wire mesh and wires wound crosswise, the wires being electrically connected to the control switch (22).

5. A centrifugal sand screen according to claim 1, characterized in that the agitator plate (19) is provided with a semi-circular hole on the side close to the agitator shaft (17).

6. A centrifugal sand screen according to claim 1, characterized in that the suction fan (12) is mounted on top of the collection box (13).

7. A centrifugal sand screen according to claim 1, characterized in that the cloth bag (10) is tied with ropes at its upper end.

8. A centrifugal sand screen according to claim 1, characterized in that the motor (9) and the agitator motor (15) are electrically connected to a control switch (22), and the control switch (22) is electrically connected to an external power source.

Technical Field

The invention relates to a sand screening machine, in particular to a centrifugal sand screening machine.

Background

The sand screening machine is also called dry land sand screening boat and sand-stone separator, and is suitable for use in river, reservoir and coal yard. The ship consists of a ship body, a frame, a speed reducer, a conveying belt, a rotary screen and an engine or a motor. The machine has simple structure, is economical and applicable and is easy to operate. It is divided into drum type sand screening machine, water washing drum type sand screening machine, vibration screen type sand screening machine, etc.

Except soil and stones, the sand and stones and metal impurities are contained in the sand and stones, at present, a common sand screening machine can only screen out the stones and the soil, and a screening device without the metal impurities is not practical enough.

Disclosure of Invention

The invention provides a centrifugal sand screening machine, which aims to overcome the defect that a common sand screening machine can only screen out stones and soil and has no screening device for metal impurities, thereby solving the problems.

In order to achieve the purpose, the invention provides the following technical scheme: a centrifugal sand screening machine comprises a feed hopper, a screening barrel, a sand screening box, a magnetic adsorption net, a suction fan and a stirring barrel, wherein the feed hopper is conical, a feed opening is formed in the bottom of the feed hopper and communicated with the sand screening box, the middle of the sand screening box is provided with the screening barrel, a fixed block is welded at the bottom of the screening barrel and connected with a motor shaft of a motor, the motor is fixed at the bottom of the sand screening box, the screening barrel is sequentially provided with a first screen and a second screen from inside to outside, the magnetic adsorption net is arranged on the outer side of the screening barrel, the bottom of the sand screening box is provided with a discharge hopper, one side of the bottom end of the discharge hopper is provided with a sand outlet, the other side of the bottom end of the discharge hopper is provided with a metal material outlet, the outer side of the metal material outlet is bonded with a cloth bag, the tail end of the cloth bag is connected with an air suction opening of the suction fan, and, the bottom sprag of screening sand case has four supporting legss, and the welding of supporting legs bottom is on the base, the churn has still been placed on the base, the filler has been seted up at the top of churn, agitator motor is installed to one side of filler, agitator motor's motor shaft passes through the coupling joint (mixing) shaft, the both sides of (mixing) shaft all are fixed with the stirring leaf, per two be fixed with the stirring board on the (mixing) shaft between the stirring leaf, one side of churn is equipped with into husky mouth, it is located the below of sand outlet to advance husky mouthful, the upper surface of base still inlays and has had control switch.

As a preferable technical scheme of the invention, the screen cylinder and the sand screening box are both in a cylindrical shape.

As a preferable technical scheme of the invention, the mesh diameter of the first screen is larger than that of the second screen, and at least two layers of screens are arranged in the screen cylinder.

As a preferable technical scheme of the invention, the magnetic adsorption net is formed by winding iron wire nets and conducting wires in a crossed mode, and the conducting wires are electrically connected with the control switch.

As a preferable technical scheme of the invention, one side of the stirring plate, which is close to the stirring shaft, is provided with a semicircular hole.

As a preferred technical scheme of the invention, the suction fan is arranged at the top of the collection box.

As a preferred technical scheme of the invention, the upper end of the cloth bag is tied with a rope.

As a preferred technical scheme of the invention, the motor and the stirring motor are electrically connected with the control switch, and the control switch is electrically connected with the external power supply.

Compared with the prior art, the invention has the beneficial effects that: the utility model discloses a novel screening sand machine for building, structural design is complete compact, it is rotatory to drive a sieve section of thick bamboo through the motor, make sand and stone do centrifugal motion, the screening speed of screen cloth has been accelerated under high-speed rotation, through setting up the magnetic adsorption net, metal impurity particle in the adsorbable sand, make the sand purer, and break-make electricity through the wire can realize adsorbing and collecting, convenient operation, the collection to metal impurity particle is accelerated through the setting of suction fan, through setting up the churn, be convenient for with the fine sand of screening out with cement, water misce bene, need not reuse collection device and collect, speed has been improved greatly, through setting up the stirring board and improving stirring speed, the sand can be leaked in the semicircular hole of seting up in the stirring board, reduce the resistance of stirring board, therefore the invention is reasonable in design and practical feasible, and is suitable for being generalized to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic top view of a screen cylinder according to the present invention;

FIG. 3 is a schematic view of the structure of the stirring shaft of the present invention;

in the figure: 1. a feed hopper; 2. a feeding port; 3. a screen cylinder; 4. screening a sand box; 5. a first screen mesh; 6. a second screen mesh; 7. a magnetic adsorption net; 8. a fixed block; 9. an electric motor; 10. a cloth bag; 11. a discharge hopper; 12. a suction fan; 13. a collection box; 14. a mixing drum; 15. a stirring motor; 16. a water filling port; 17. a stirring shaft; 18. stirring blades; 19. a stirring plate; 20. a sand inlet; 21. a base; 22. and controlling the switch.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a centrifugal sand screening machine comprises a feed hopper 1, a screen drum 3, a sand screening box 4, a magnetic adsorption net 7, a suction fan 12 and a mixing drum 14, wherein the feed hopper 1 is conical, a feed opening 2 is formed in the bottom of the feed hopper 1, the feed opening 2 is communicated with the sand screening box 4, the screen drum 3 is arranged in the middle of the sand screening box 4, a fixed block 8 is welded at the bottom of the screen drum 3, the fixed block 8 is connected with a motor shaft of a motor 9, the motor 9 is fixed at the bottom of the sand screening box 4, a first screen 5 and a second screen 6 are sequentially arranged on the screen drum 3 from inside to outside, the magnetic adsorption net 7 is arranged on the outer side of the screen drum 3, a discharge hopper 11 is arranged at the bottom of the sand screening box 4, a sand outlet is formed in one side of the bottom end of the discharge hopper 11, a metal material outlet is formed in the other side of the bottom end of the discharge hopper 11, a cloth bag 10 is bonded to the outer side of the metal material outlet, the tail, bottom sprag of screening sand case 4 has four supporting legss, the welding of supporting legs bottom is on base 21, churn 14 has still been placed on base 21, filler 16 has been seted up at churn 14's top, agitator motor 15 is installed to one side of filler 16, agitator motor 15's motor shaft passes through coupling joint (mixing) shaft 17, the both sides of (mixing) shaft 17 all are fixed with stirring leaf 18, be fixed with stirring plate 19 on the (mixing) shaft 17 between per two stirring leaf 18, one side of churn 14 is equipped with into husky mouth 20, it is located the below of a husky mouth to advance husky mouth 20, base 21's upper surface still inlays has control switch 22.

The screen drum 3 and the screening sand box 4 are both in a cylindrical shape, the mesh diameter of the first screen 5 is larger than that of the second screen 6, at least two layers of screens are arranged in the screen drum 3, the magnetic adsorption net 7 is formed by iron wire nets and conducting wires in a cross winding mode, the conducting wires are electrically connected with the control switch 22, one side, close to the stirring shaft 17, of the stirring plate 19 is provided with a semicircular hole, the suction fan 12 is installed at the top of the collecting box 13, the rope is tied to the upper end of the cloth bag 10, the cloth bag 10 can be tightly tied through the rope, the motor 9, the stirring motor 15 is electrically connected with the control switch 22, and the control switch 22 is electrically connected.

The specific principle is as follows: when the novel building sand screening machine is used, sand to be screened is added from a feed hopper 1, the sand enters a screen cylinder 3 in a sand screening box 4 through a feed opening 2, a control switch 22 controls a motor 9 to start, the motor 9 drives the screen cylinder 3 to rotate, the sand is sequentially screened by a first screen 5 and a second screen 6, stones are left in the screen cylinder 3, fine sand penetrates out of the screen cylinder 3 and collides with a magnetic adsorption net 7, the magnetic adsorption net 7 is controlled to be electrified by the control switch 22, and has magnetism to adsorb metal impurity particles in the sand, finally the sand enters a discharge hopper 11, a rope is tied to block a cloth bag 10, the sand enters a mixing cylinder 14 from a sand outlet, a proper amount of water and cement are added into the mixing cylinder 14, the control switch 22 controls a mixing motor 15 to stir, a mixing blade 18 and a mixing plate 19 are used for uniformly mixing the water, the cement and the sand, and the whole sand enters the mixing cylinder 14, the control switch 22 controls the power-off of the wire, the magnetic adsorption net 7 is not electrified, the suction fan 12 is controlled to be started, the sand outlet is blocked, the rope is untied, the metal impurities adsorbed on the surface of the magnetic adsorption net 7 fall to the discharge hopper 11, and the cloth bag 10 is sucked into the collection box 13 by the suction fan 12.

The utility model discloses a novel sand sieving machine for building, structural design is complete compact, it is rotatory to drive sieve section of thick bamboo 3 through motor 9, make sand and stone do centrifugal motion, the screening speed of screen cloth has been accelerated under high-speed rotation, through setting up magnetic adsorption net 7, metal impurity particle in the adsorbable sand, make the sand purer, and the break-make electricity through the wire can realize adsorbing and collecting, convenient operation, the collection to metal impurity particle is accelerated through the setting of suction fan 12, through setting up churn 14, be convenient for with the fine sand of screening out with cement, water misce bene, need not reuse collection device and collect, the speed is greatly improved, improve stirring speed through setting up stirring board 19, the sand can be leaked in the semicircular hole of seting up in the stirring board 19, reduce the resistance of stirring board 19, therefore the design of the invention is reasonable and practical feasible, and is suitable for being generalized to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.