CN110773410A

CN110773410A - Vertical rotary sand screening machine

Info

Publication number: CN110773410A
Application number: CN201911089108.1A
Authority: CN
Inventors: 薛锋雷
Original assignee: Xuzhou Jiehui Environmental Protection Technology Co Ltd
Current assignee: Xuzhou Jiehui Environmental Protection Technology Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-02-11

Abstract

A vertical rotary sand screening machine comprises a cylindrical sand screening machine body and a spiral screen, wherein the cylindrical sand screening machine body is longitudinally arranged, the spiral screen is rotatably installed inside the sand screening machine body and used for screening sand, a rotary motor is fixedly installed at the middle position of the top of the sand screening machine body and electrically connected with an external power supply, the output end of the rotary motor is fixedly connected with a speed reducer, the output end of the speed reducer penetrates through the sand screening machine body and is fixedly connected with a screen shaft, the screen shaft is arranged inside the sand screening machine body along the axial direction of the sand screening machine body, and the spiral screen is fixedly installed on the outer side wall of the screen shaft; through the sand screening machine of this vertical structure, inside unique multilayer spiral screen cloth can accomplish the screening classification work to gravel and sand under the less condition of area, and spiral screen cloth can shake from top to bottom in the rotation, and the efficiency of screening sand is higher, does benefit to and uses under the small size condition.

Description

Vertical rotary sand screening machine

Technical Field

The invention relates to the field of concrete recovery, in particular to a vertical rotary sand screening machine.

Background

The construction waste refers to construction waste generated by human or natural reasons in engineering, and comprises waste residue soil, waste soil, residual mud, waste materials and the like, which are not helpful to the construction per se but are substances generated in the construction process, and the substances need to be treated correspondingly, so that the ideal construction project construction can be achieved.

The existing sand screening machines are usually provided with a rectangular screen mesh type sand screening machine and a roller screen mesh type sand screening machine, the rectangular screen mesh type sand screening machine and the roller screen mesh type sand screening machine are beneficial to grading sand and stone, but the rectangular screen mesh type sand screening machine and the roller screen mesh type sand screening machine are transversely arranged, so that the occupied area is large, and the rectangular screen mesh type sand screening machine and the roller screen mesh type sand screening machine cannot be arranged on a small area for.

Disclosure of Invention

In order to overcome the problems raised by the technical background, the invention provides a vertical rotary sand screening machine.

The technical scheme of the invention is as follows: the utility model provides a vertical rotatory sand screening machine, is installed including the cylinder screening sand body and the rotation that are longitudinal arrangement the inside spiral screen cloth that is used for the screening sand of screening sand body, the top intermediate position department fixed mounting of screening sand body has the rotating electrical machines, rotating electrical machines and external power source electric connection, the output fixedly connected with speed reducer of rotating electrical machines, the output of speed reducer runs through screening sand body fixedly connected with screen shaft, the screen shaft is followed the axial of screening sand body set up in the inside of screening sand body, spiral screen cloth fixed mounting be in on the lateral wall of screen shaft, the bottom intermediate position department of screening sand body still fixed mounting has flexible motor, the output of flexible motor pass through the shaft coupling with screen shaft fixed connection, spiral screen cloth includes the first screen cloth of from top to bottom parallel distribution, The screen cloth is characterized by comprising a second screen cloth and a third screen cloth, wherein screen holes are formed in the first screen cloth, the second screen cloth and the third screen cloth, and the screen hole diameters of the screen holes on the first screen cloth, the second screen cloth and the third screen cloth are reduced from top to bottom in sequence.

Preferably, a motor shaft is fixed at the output end of the speed reducer, six shaft keys are uniformly distributed on the outer side wall of the bottom end of the motor shaft, and the shaft keys are fixedly connected with the motor shaft.

Preferably, the top of the screen shaft is provided with a slot, the motor shaft is fixedly inserted into the slot, a chute matched with the shaft key is formed in the inner side wall of the slot, and the motor shaft is circumferentially fixed with the screen shaft and axially slides.

Preferably, the clearance between the motor shaft and the bottom of the slot is larger than the up-down telescopic stroke of the telescopic motor, so that the slot and the motor shaft are prevented from being impacted in the matching process.

Preferably, the top of the sand screening machine body is provided with a feeding hopper penetrating through the sand screening machine body, the feeding hopper is fixedly connected with the sand screening machine body, and the bottom of the sand screening machine body is fixedly provided with symmetrically distributed supporting legs.

Preferably, be equipped with the discharge gate on the lateral wall of the screening sand machine body, the discharge gate includes first discharge gate, second discharge gate and third discharge gate, be equipped with respectively on the inside wall of first discharge gate, second discharge gate and third discharge gate with first screen cloth, second screen cloth and third screen cloth complex connect the material platform to make the spiral screen cloth follow the material is in the rotation process the discharge gate is carried away.

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

through the sand screening machine of this vertical structure, inside unique multilayer spiral screen cloth can accomplish the screening classification work to gravel and sand under the less condition of area, and spiral screen cloth can shake from top to bottom in the rotation, and the efficiency of screening sand is higher, does benefit to and uses under the small size condition.

Drawings

Fig. 1 is a schematic structural diagram of a vertical rotary sand screening machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a spiral screen according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of the spiral screen in the embodiment of the present invention.

In the above fig. 1-3, 1, the sand screening machine body; 11. a feeding hopper; 12. supporting legs; 13. a discharge port; 131. a first discharge port; 132. a first discharge port; 133. a first discharge port; 2. a rotating electric machine; 201. a motor shaft; 202. a shaft key; 21. a speed reducer; 22. a screen shaft; 221. a slot; 3. a telescopic motor; 31. a coupling; 4. a spiral screen; 4a, a first screen; 4b, a second screen; 4c, a third screen; 401. and (4) screening holes.

The specific implementation mode is as follows:

the invention is further described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a vertical rotary sand sieving machine comprises a cylindrical sand sieving machine body 1 arranged longitudinally and a spiral screen 4 installed inside the sand sieving machine body 1 in a rotating manner and used for sieving sand, a rotary motor 2 is fixedly installed at the middle position of the top of the sand sieving machine body 1, the rotary motor 2 is electrically connected with an external power supply, an output end of the rotary motor 2 is fixedly connected with a speed reducer 21, an output end of the speed reducer 21 penetrates through the sand sieving machine body 1 and is fixedly connected with a screen shaft 22, the screen shaft 22 is arranged inside the sand sieving machine body 1 along the axial direction of the sand sieving machine body 1, the spiral screen 4 is fixedly installed on the outer side wall of the screen shaft 22, a telescopic motor 3 is also fixedly installed at the middle position of the bottom of the sand sieving machine body 1, an output end of the telescopic motor 3 is fixedly connected with the screen shaft 22 through a coupler 31, and the spiral screen 4 comprises a first screen 4a and a, Second screen cloth 4b and third screen cloth 4c, all seted up sieve mesh 401 on first screen cloth 4a, second screen cloth 4b and the third screen cloth 4c, and sieve mesh 401 aperture on first screen cloth 4a, second screen cloth 4b and the third screen cloth 4c reduces from top to bottom in proper order.

In the embodiment, by arranging a cylindrical sand screening machine body 1 which is longitudinally arranged and a spiral screen 4 which is used for screening sand inside the cylindrical sand screening machine body 1, wherein the spiral screen 4 is in a spiral shape from top to bottom, three or more spiral screens 4 with different screen hole 401 diameters are arranged according to screening requirements, the screen hole 401 diameters are sequentially reduced from top to bottom, when screening is carried out, a rotary motor 2 (model Y3) at the top of the sand screening machine body 1 drives a plurality of spiral screens 4 to synchronously rotate, the screen hole 401 diameter of the spiral screen 4 at the uppermost layer is the largest, small sand and stone can be leaked down, large sand and stone are left, the spiral screen 4 at the lower part sequentially screens waste materials, finally the sand and stone are classified, the sand and stone are sequentially discharged through discharge holes 13 which are arranged at the bottom and correspond to the number of the spiral screens 4, and the spiral screens 4 are driven by a telescopic motor 3 (model 4RK25W) at the lower, the sand screening machine with the vertical structure has the advantages that the sand screening machine is favorable for quickly screening sand and stone, the screening and grading work of the sand and stone can be completed under the condition of small floor area through the unique multilayer spiral screen in the sand screening machine with the vertical structure, the sand screening efficiency is high, and the sand screening machine is favorable for being used under the condition of small area.

Specifically, the output of speed reducer 21 is fixed with motor shaft 201, evenly distributed has six axle keys 202 on the bottom lateral wall of motor shaft 201, axle key 202 and motor shaft 201 fixed connection, slot 221 has been seted up at the top of screen cloth axle 22, motor shaft 201 pegs graft and fixes in slot 221, and set up the spout with axle key 202 complex on the inside wall of slot 221, motor shaft 201 is fixed with screen cloth axle 22 circumference, and axial slip, evenly distributed has six axle keys 202 on the bottom lateral wall through at motor shaft 201, slot 221 has been seted up at the top of screen cloth axle 22, when motor shaft 201 rotates, screen cloth axle 22 receives the circumferential force of axle key 202, with motor shaft 201 synchronous revolution, also can be driven by flexible motor 3 at screen cloth axle 22 vibrations from top to bottom simultaneously, make spiral screen 4 can shake from top to bottom at rotatory in-process.

Specifically, the gap between the motor shaft 201 and the bottom of the slot 221 is larger than the up-down telescopic stroke of the telescopic motor 3, so as to prevent the slot 221 from colliding with the motor shaft 201 in the matching process, and prevent the motor shaft 201 from colliding with the screen shaft 22 and interfering in the up-down vibration process of the screen shaft 22.

Specifically, screening sand body 1's top is equipped with the magazine hopper 11 that runs through screening sand body 1, magazine hopper 11 and screening sand body 1 fixed connection, and screening sand body 1's bottom fixed mounting has supporting leg 12 of symmetric distribution, and magazine hopper 11 through the top can be reinforced to screening sand body 1, sieves the processing, and the stability of screening sand body 1 in the operation process is guaranteed to the supporting leg 12 of symmetric distribution.

Specifically, be equipped with discharge gate 13 on the lateral wall of screening sand machine body 1, discharge gate 13 includes first discharge gate 131, second discharge gate 132 and third discharge gate 133, be equipped with respectively on the inside wall of first discharge gate 131, second discharge gate 132 and third discharge gate 133 with first screen cloth 4a, second screen cloth 4b and third screen cloth 4c complex connect the material platform, so that the material is carried away from discharge gate 13 in the rotation process to spiral screen cloth 4, be close to discharge gate 13 department on the inside wall of screening sand machine body 1 and all be equipped with annular material platform that connects of inside extension, and connect the material platform to be located corresponding spiral screen cloth 4 bottom, and connect the material platform to have the abrupt slope of discharge gate 13 slope, make the material after the hierarchical screening discharge through discharge gate 13.

The working principle is as follows: the material can be fed to the sand screening machine body 1 through the feeding hopper 11 at the top, the material falls onto the spiral screen 4, the rotating motor 2 at the top of the sand screening machine body 1 drives a plurality of spiral screen 4 to synchronously rotate, the diameter of the sieve pore 401 of the spiral screen 4 at the uppermost layer is the largest, small sand and stone can be leaked down, large sand and stone are left, the spiral screen 4 at the lower part sequentially screens waste materials, the spiral screen 4 can be driven by the telescopic motor 3 at the lower part to vibrate up and down while rotating, the sand and stone can be rapidly screened, the sand and stone screening speed is accelerated, finally the sand and stone are graded, the sand and stone are sequentially discharged through the discharge ports 13 which are arranged at the bottom and correspond to the number of the spiral screen 4, annular inward extending material receiving platforms are arranged on the inner side wall of the sand screening machine body 1 and are arranged at the bottoms of the corresponding spiral screen 4, and the material receiving platforms have steep slopes which incline towards the discharge, the classified and screened materials can be discharged through the discharge port 13.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The vertical rotary sand screening machine is characterized by comprising a cylindrical sand screening machine body (1) which is longitudinally arranged and a spiral screen (4) which is rotatably arranged and is used for screening sand and arranged inside the sand screening machine body (1), wherein a rotary motor (2) is fixedly arranged at the middle position of the top of the sand screening machine body (1), the rotary motor (2) is electrically connected with an external power supply, a speed reducer (21) is fixedly connected with the output end of the rotary motor (2), the output end of the speed reducer (21) penetrates through a screen shaft (22) fixedly connected with the sand screening machine body (1), the screen shaft (22) is arranged inside the sand screening machine body (1) along the axial direction of the sand screening machine body (1), the spiral screen (4) is fixedly arranged on the outer side wall of the screen shaft (22), and a telescopic motor (3) is fixedly arranged at the middle position of the bottom of the sand screening machine body (1), the output of flexible motor (3) pass through shaft coupling (31) with screen cloth axle (22) fixed connection, spiral screen cloth (4) are including first screen cloth (4a), second screen cloth (4b) and third screen cloth (4c) from top to bottom parallel distribution, sieve mesh (401) have all been seted up on first screen cloth (4a), second screen cloth (4b) and third screen cloth (4c), just on first screen cloth (4a), second screen cloth (4b) and third screen cloth (4c) sieve mesh (401) aperture from top to bottom reduces in proper order.

2. The vertical rotary sand screening machine according to claim 1, wherein a motor shaft (201) is fixed at the output end of the speed reducer (21), six shaft keys (202) are uniformly distributed on the outer side wall of the bottom end of the motor shaft (201), and the shaft keys (202) are fixedly connected with the motor shaft (201).

3. The vertical rotary sand screening machine according to claim 2, wherein a slot (221) is formed in the top of the screen shaft (22), the motor shaft (201) is inserted and fixed in the slot (221), a sliding groove matched with the shaft key (202) is formed in the inner side wall of the slot (221), and the motor shaft (201) and the screen shaft (22) are circumferentially fixed and axially slide.

4. A vertical rotary sand screen according to claim 3, wherein the clearance between the motor shaft (201) and the bottom of the slot (221) is larger than the stroke of the telescopic motor (3) for up and down extension, so as to prevent the slot (221) from colliding with the motor shaft (201) during the matching process.

5. The vertical rotary sand screen according to claim 1, wherein a feeding hopper (11) penetrating through the sand screen body (1) is arranged at the top of the sand screen body (1), the feeding hopper (11) is fixedly connected with the sand screen body (1), and symmetrically distributed supporting legs (12) are fixedly arranged at the bottom of the sand screen body (1).

6. The vertical rotary sand screening machine according to claim 1, wherein the outer side wall of the sand screening machine body (1) is provided with a discharge port (13), the discharge port (13) comprises a first discharge port (131), a second discharge port (132) and a third discharge port (133), and the inner side walls of the first discharge port (131), the second discharge port (132) and the third discharge port (133) are respectively provided with a material receiving platform matched with the first screen (4a), the second screen (4b) and the third screen (4c), so that the spiral screen (4) conveys materials out of the discharge port (13) in the rotation process.