CN108704832B

CN108704832B - Sand screening device of high-efficient separation

Info

Publication number: CN108704832B
Application number: CN201810530029.9A
Authority: CN
Inventors: 刘辉辉
Original assignee: Jiangxi Siji Landscape Construction Co Ltd
Current assignee: Jiangxi Siji Landscape Construction Co., Ltd
Priority date: 2018-05-29
Filing date: 2018-05-29
Publication date: 2020-11-27
Anticipated expiration: 2038-05-29
Also published as: CN108704832A

Abstract

The invention discloses a sand screening device for efficient separation, which comprises a screen drum, a feeding pipe and a driving motor, wherein the screen drum is arranged on the upper part of the screen drum; a linear rotating sieve plate is arranged in the sieve cylinder, the rotating sieve plate is fixedly connected with a third driving shaft, and the third driven shaft extends to the outer side of the sieve cylinder and is connected with a second driven shaft through a second transmission belt; an arc-shaped through groove is formed in the bottom of the screen drum, a bottom screen plate is nested in the arc-shaped through groove, support rods are fixedly connected to two sides of the screen drum, and a sand guide plate is arranged below the bottom screen plate; the right side of the screen drum is provided with a stone discharge pipe which is tangent to the upper end of the screen drum. According to the invention, the sieve drum, the rotating sieve plate, the tangentially communicated stone discharge pipe and the bottom sieve plate are arranged, so that the high-efficiency centrifugal separation of fine sand and impurity particles is realized, the screening efficiency is improved, and meanwhile, the separation of the fine sand and the impurity particles is facilitated; the invention controls the feeding speed and ensures the screening effect by arranging the feeding pipe and the spiral feeding roller.

Description

Sand screening device of high-efficient separation

Technical Field

The invention relates to the field of construction machinery, in particular to a sand screening device capable of efficiently separating sand.

Background

The sand screening machine adopts a horizontally arranged roller screen drum according to the working principle of manually screening sand by utilizing an inclined screen, and ensures that material flow can continuously roller screen for more than five circles among a plurality of circles of internal spiral blades in the screen drum, so that sand materials are repeatedly rolled and slid to be fully dispersed and separated; different from mutual pushing and burying of large and small materials caused by an inclined roller screen, the screening process is hasty; and the vibration jumping and the mixing of the materials are different from those of the inclined vibrating screen. Traditional screening sand machine screens through vibrating screen plate, and the foreign particle rolls along the sieve to the lower end, and the inefficiency of foreign particle and fine sand separation causes the screening efficiency low, and foreign particle blocks up the sieve mesh easily in the screening process easily in addition and is difficult to clear up.

There is a need for a sand screening device capable of efficiently separating foreign particles such as stones, so that the screening efficiency is improved, and the impurities are convenient to clean.

Disclosure of Invention

The invention aims to provide a sand screening device with high-efficiency separation, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-efficiency separation sand screening device comprises a screen drum, a feeding pipe and a driving motor; the middle position of the left side of the screen drum is fixedly connected with a feeding pipe through a bolt, and the upper end of the feeding pipe is communicated with a feeding hopper; a spiral feeding roller is arranged in the feeding pipe, the spiral feeding roller extends to the left side of the feeding pipe and is connected with a first driven shaft through a first transmission belt, the first driven shaft penetrates through a supporting frame and is rotationally connected with the supporting frame through a bearing sleeve, and the supporting frame is vertically and fixedly connected with a base; the right side end of the first driven shaft is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a second driven shaft, and the second driven shaft is connected with an output shaft of a driving motor through a coupler; a linear rotating sieve plate is arranged in the sieve cylinder, the rotating sieve plate is fixedly connected with a third driving shaft, and the third driven shaft extends to the outer side of the sieve cylinder and is connected with a second driven shaft through a second transmission belt; an arc-shaped through groove is formed in the bottom of the screen drum, a bottom screen plate is nested in the arc-shaped through groove, support rods are fixedly connected to two sides of the screen drum, and a sand guide plate is arranged below the bottom screen plate; a stone discharge pipe is arranged on the right side of the screen cylinder and is tangent to the upper end of the screen cylinder; the lower end of the stone discharging pipe is obliquely arranged towards the rear end.

As a further scheme of the invention: the feed pipe is communicated with the inner cavity of the screen drum.

As a further scheme of the invention: the driving motor is fixedly connected with the base in a bolt fixing mode.

As a further scheme of the invention: the rotary sieve plate is a metal sieve.

As a further scheme of the invention: the bottom sieve plate is an arc sieve plate.

As a further scheme of the invention: the sand guide plate is fixedly connected with the supporting rod in a bolt fixing mode.

As a further scheme of the invention: the stone discharge pipe is tangentially communicated with the inner cavity of the screen drum.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the sieve drum, the rotating sieve plate, the tangentially communicated stone discharge pipe and the bottom sieve plate are arranged, so that the high-efficiency centrifugal separation of fine sand and impurity particles is realized, the screening efficiency is improved, and meanwhile, the separation of the fine sand and the impurity particles is facilitated; the invention controls the feeding speed and ensures the screening effect by arranging the feeding pipe and the spiral feeding roller.

Drawings

FIG. 1 is a schematic structural diagram of a sand screening device for high-efficiency separation;

FIG. 2 is a right side view of a sand guide plate in the high efficiency sand screening apparatus;

fig. 3 is a right side view of a driving motor in the sand sieving apparatus for high efficiency separation.

In the figure: 1-a screen cylinder; 2-feeding pipe; 3-feeding hopper; 4-a spiral feed roll; 5-a first drive belt; 6-a first driven shaft; 7-a fixing frame; 8-a base; 9-a first bevel gear; 10-a second bevel gear; 11-a second driven shaft; 12-a support bar; 13-rotating the sieve plate; 14-a third driven shaft; 15-a second drive belt; 16-a stone discharge pipe; 17-arc through groove; 18-bottom screen deck; 19-a sand guide plate; and 20, driving a motor.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, in the embodiment of the present invention, an efficient sand sieving apparatus includes a sieving cylinder 1, a feeding pipe 2 and a driving motor 20; the middle position of the left side of the screen drum 1 is fixedly connected with a feeding pipe 2 through a bolt, and the feeding pipe 2 is communicated with the inner cavity of the screen drum 1; the upper end of the feeding pipe 2 is communicated with a feeding hopper 3, and coarse sand is fed from a feeding head 3; a spiral feeding roller 4 is arranged in the feeding pipe 2, the feeding speed is controlled, and the screening effect is ensured; the spiral feeding roller 4 extends to the left side of the feeding pipe 2 and is connected with a first driven shaft 6 through a first transmission belt 5, the first driven shaft 6 penetrates through a support frame and is rotatably connected with the support frame 7 through a bearing sleeve, and the support frame 7 is vertically and fixedly connected with a base 8; first driven shaft 6 right side tip fixedly connected with first bevel gear 9, first bevel gear 9 meshing has second bevel gear 10, second bevel gear 10 fixedly connected with second driven shaft 11, second driven shaft 11 has driving motor 20's output shaft through the coupling joint, driving motor 20 passes through bolt fastening's mode and base 8 fixed connection, driving motor 20 passes through output shaft, coupling, second driven shaft 11, second bevel gear 10, first bevel gear 9, first driven shaft 6 and first drive belt 5 drive spiral feed roller 4 and rotate.

Referring to fig. 1-3, a linear rotary sieve plate 13 is arranged in the sieve cylinder 1, and the rotary sieve plate 13 is a metal sieve; the rotary sieve plate 13 is fixedly connected with a third moving shaft 14, the third driven shaft 14 extends to the outer side of the sieve drum 1 and is connected with a second driven shaft 11 through a second transmission belt 15, and the second driven shaft 11 drives the third driven shaft 14 and the rotary sieve plate 13 to rotate through the second transmission belt 15; an arc-shaped through groove 16 is formed in the bottom of the screen drum 1, a bottom screen plate 18 is nested in the arc-shaped through groove 16, the bottom screen plate 18 is an arc-shaped screen plate, support rods 12 are fixedly connected to two sides of the screen drum 1, a sand guide plate 19 is arranged below the bottom screen plate 18, the sand guide plate 19 is fixedly connected with the support rods 12 in a bolt fixing mode, and the sand guide plate 19 is obliquely arranged towards the front end; the right side of the screen cylinder 1 is provided with a stone discharge pipe 16, the stone discharge pipe 16 is tangent to the upper end of the screen cylinder 1, the stone discharge pipe 16 is tangentially communicated with the inner cavity of the screen cylinder 1, the rotary screen plate 13 drives coarse sand entering the screen cylinder 1 to rotate, fine sand falls into the sand guide plate 19 through the rotary screen plate 13 and the bottom screen plate 18 to be discharged, stone particles are subjected to the action of centrifugal force under the action of the rotary screen plate 13 and are discharged from the stone discharge pipe 16 which is tangentially communicated, the separation of the particles such as the stones is improved, and the screening efficiency is improved; the lower end of the stone discharging pipe 16 is obliquely arranged towards the rear end, so that stone particles and fine sand are discharged towards two sides respectively, and the stone particles and the fine sand are convenient to stack.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-efficiency separation sand screening device comprises a screen drum (1), a feeding pipe (2) and a driving motor (20); the sieve drum is characterized in that a feeding pipe (2) is fixedly connected to the middle position of the left side of the sieve drum (1) through a bolt, and the upper end of the feeding pipe (2) is communicated with a feeding hopper (3); a spiral feeding roller (4) is arranged in the feeding pipe (2), the spiral feeding roller (4) extends to the left side of the feeding pipe (2) and is connected with a first driven shaft (6) through a first transmission belt (5), the first driven shaft (6) penetrates through a support frame and is rotatably connected with the support frame (7) through a bearing sleeve, and the support frame (7) is vertically and fixedly connected with a base (8); a first bevel gear (9) is fixedly connected to the end part of the right side of the first driven shaft (6), a second bevel gear (10) is meshed with the first bevel gear (9), the second bevel gear (10) is fixedly connected with a second driven shaft (11), and the second driven shaft (11) is connected with an output shaft of a driving motor (20) through a coupler; a linear rotating sieve plate (13) is arranged in the sieve cylinder (1), the rotating sieve plate (13) is fixedly connected with a third driving shaft (14), and the third driven shaft (14) extends to the outer side of the sieve cylinder (1) and is connected with a second driven shaft (11) through a second transmission belt (15); an arc-shaped through groove (16) is formed in the bottom of the screen drum (1), a bottom screen plate (18) is nested in the arc-shaped through groove (16), support rods (12) are fixedly connected to two sides of the screen drum (1), and a sand guide plate (19) is arranged below the bottom screen plate (18); a stone discharge pipe (16) is arranged on the right side of the screen cylinder (1), the stone discharge pipe (16) is tangent to the upper end of the screen cylinder (1), and stone particles are discharged from the tangentially communicated stone discharge pipe (16) under the action of a rotating screen plate (13) under the action of centrifugal force; the lower end of the stone discharging pipe (16) is obliquely arranged towards the rear end.

2. An efficient separation sand screen apparatus as claimed in claim 1, wherein said feed pipe (2) is in communication with the inner cavity of the screen drum (1).

3. An efficient separation sand screening device according to claim 1, characterized in that the drive motor (20) is fixedly connected with the base (8) by means of bolt fastening.

4. A high efficiency separating sand screen apparatus as claimed in claim 1, wherein said rotating screen deck (13) is a metal screen.

5. An efficient separating sand screening device according to claim 1, characterized in that the bottom screen deck (18) is a curved screen deck.

6. An efficient sand screening device as claimed in claim 1, characterized in that the sand guide plate (19) is fixedly connected to the support bar (12) by means of screw bolts.

7. An efficient separating sand screen apparatus according to claim 1, characterized in that the stone discharge pipe (16) is in tangential communication with the inner cavity of the screen drum (1).