CN108906576B

CN108906576B - Intermittent feeding type sand screening device for building

Info

Publication number: CN108906576B
Application number: CN201810562154.8A
Authority: CN
Inventors: 邓帅
Original assignee: Anhui Qianyuan Project Management Co Ltd
Current assignee: Anhui Qianyuan Project Management Co ltd
Priority date: 2018-06-04
Filing date: 2018-06-04
Publication date: 2020-09-01
Anticipated expiration: 2038-06-04
Also published as: CN108906576A

Abstract

The invention discloses an intermittent feeding type sand screening device for buildings, which comprises a material storage cavity and a screening cavity, wherein the material storage cavity is provided with a plurality of material storage holes; the storage chamber sets up in the left side upper end in screening chamber and through discharge opening and screening chamber intercommunication, screening intracavity fixed mounting has the diaphragm, and the inboard of diaphragm is provided with circular chamber, and the circular chamber inboard is provided with first eccentric wheel, and both ends symmetry is provided with the catch bar about first eccentric wheel, the mounting is installed to the catch bar lower extreme, and the lower extreme of mounting is articulated with the one end of connecting rod, and the other end of connecting rod articulates in the sieve upper end. The screening device is novel in design, the second eccentric wheel drives the baffle plate to reciprocate in a reciprocating manner when rotating, so that intermittent conduction of the discharge hole is realized, intermittent blanking is realized, excessive sand can be effectively prevented from entering the screening cavity simultaneously to influence the screening effect, and the pushing rod drives the screen plate to swing in a reciprocating manner through the connecting rod when moving leftwards and rightwards, so that the screening efficiency of the screen plate is improved, and the screening device is high in practicability.

Description

Intermittent feeding type sand screening device for building

Technical Field

The invention relates to the field of construction machinery, in particular to an intermittent feeding type sand screening device for buildings.

Background

The sand is one of the most important raw materials in the building industry, when the sand is used, the sand is expected to be uniform in size, but the sand fished out of rivers or produced by other methods is different in size and is mixed with gravels with different sizes, so that the sand needs to be screened; at present, most of construction sites still adopt a manual sand screening mode, the labor intensity of construction workers is high, the sand screening efficiency is low, and the sand screening effect is poor.

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.

The existing sand screening machine needs to add sand into the sand screen continuously by manpower, and the labor intensity of construction workers is not well reduced.

Disclosure of Invention

The invention aims to provide an intermittent feeding type sand screening device for buildings, which aims to solve the problems in the background technology.

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

an intermittent feeding type sand screening device for buildings comprises a material storage cavity and a screening cavity; the material storage cavity is arranged at the upper end of the left side of the screening cavity and is communicated with the screening cavity through a discharge hole, the upper end of the material storage cavity is provided with a motor, the motor is arranged at the right side end of the mounting plate, the output end of the motor is fixedly connected with the rotating shaft, the lower end of the rotating shaft penetrates through the upper wall of the material storage cavity and extends into the inner side of the material storage cavity, a transverse plate is fixedly arranged in the screening cavity, a circular cavity is arranged on the inner side of the transverse plate, sliding chutes are symmetrically arranged at two ends of the circular cavity, a first eccentric wheel is arranged on the inner side of the circular cavity, pushing rods are symmetrically arranged at the left end and the right end of the first eccentric wheel and are connected in the sliding chutes in a sliding manner, the mounting is installed to the catch bar lower extreme, the mounting run through the spout lower extreme set up lead to the groove and with lead to groove sliding connection, the lower extreme of mounting is articulated with the one end of connecting rod, the other end of connecting rod articulates in the sieve upper end, the lower extreme intermediate position department of sieve articulates on the bracing piece through the articulated elements.

As a further scheme of the invention: the lower end of the inner side of the screening cavity is provided with a collecting groove.

As a still further scheme of the invention: the left side upper end of storage cavity is provided with the feeder hopper.

As a still further scheme of the invention: and a plurality of groups of stirring rods are fixedly arranged on the rotating shaft positioned on the inner side of the material storage cavity.

As a still further scheme of the invention: the left end of the transverse plate is fixedly installed on the fixing groove, the inner side of the fixing groove is rotatably connected with a second eccentric wheel, and the second eccentric wheel is fixedly connected with a second rotating rod.

As a still further scheme of the invention: the second rotating rod is rotatably connected with the first rotating rod through the meshing action of the bevel gear A and the bevel gear B, and the upper end of the first rotating rod penetrates through the upper wall of the screening cavity and is rotatably connected with the rotating shaft through a transmission belt.

As a still further scheme of the invention: the lower end of the second eccentric wheel is connected with the upper end of the baffle in a sliding mode through an annular clamping groove formed in the outer end of the second eccentric wheel, and the lower end of the baffle penetrates through the fixing groove and is connected with the right end of the discharge hole in a sliding mode.

As a still further scheme of the invention: the upper end of the first eccentric wheel is fixedly connected with the first rotating rod.

As a still further scheme of the invention: the inside end of catch bar is fixed with T type slider, and the outside end of first eccentric wheel is provided with annular spout, and T type slider sliding connection is in annular spout.

Compared with the prior art, the invention has the beneficial effects that: the sieve plate feeding device is novel in design, the second eccentric wheel drives the baffle plate to reciprocate in a reciprocating manner when rotating, so that intermittent conduction of the discharge hole is realized, intermittent blanking is realized, excessive sand can be effectively prevented from entering a screening cavity simultaneously to influence a screening effect, the first rotating rod drives the first eccentric wheel to rotate when rotating, the first eccentric wheel drives the pushing rods on two sides to move left and right in a reciprocating manner when rotating, and the connecting rod drives the sieve plate to swing in a reciprocating manner when moving left and right, so that the screening efficiency of the sieve plate is improved, the practicability is high, the automation degree is high, and labor is saved.

Drawings

Fig. 1 is a schematic structural diagram of an intermittent feeding type sand screening device for buildings.

Fig. 2 is a side view of a fixing groove in an intermittent feeding type sand sieving apparatus for construction.

Fig. 3 is a cross-sectional view of a cross plate in an intermittent feeding type sand sieving device for construction.

Fig. 4 is an enlarged view of a structure at a point a in the intermittent feeding type sand sieving apparatus for construction.

In the figure: 1-material storage cavity, 2-screening cavity, 3-feed hopper, 4-mounting plate, 5-motor, 6-rotating shaft, 7-stirring rod, 8-first rotating rod, 9-second rotating rod, 10-bevel gear A, 11-bevel gear B, 12-fixing groove, 13-discharge hole, 14-baffle, 15-collecting groove, 16-sieve plate, 17-supporting rod, 18-connecting rod, 19-circular cavity, 20-chute, 21-first eccentric wheel, 22-second eccentric wheel, 23-transverse plate and 24-pushing rod.

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 to 4, in an embodiment of the present invention, an intermittent feeding type sand sieving apparatus for a building includes a material storage chamber 1 and a sieving chamber 2; the sand screening device is characterized in that the storage cavity 1 is arranged at the upper end of the left side of the screening cavity 2 and is communicated with the screening cavity 2 through a discharge hole 13, a motor 5 is arranged at the upper end of the storage cavity 1, the motor 5 is arranged at the right side end of the mounting plate 4, the output end of the motor 5 is fixedly connected with a rotating shaft 6, the lower end of the rotating shaft 6 penetrates through the upper wall of the storage cavity 1 and extends into the inner side of the storage cavity 1, a plurality of groups of stirring rods 7 are fixedly arranged on the rotating shaft 6 at the inner side of the storage cavity 1, the rotating shaft 6 drives the stirring rods 7 to rotate when the motor 5 rotates, the stirring rods 7 stir sand in the storage cavity 1, so that the sand is prevented from caking and cannot be discharged, a transverse plate 23 is fixedly arranged in the screening cavity 2, the left end of the transverse plate 23 is fixedly arranged on a fixing groove 12, the, the second rotating rod 9 is rotatably connected with the first rotating rod 8 through the meshing action of the bevel gear A10 and the bevel gear B11, the upper end of the first rotating rod 8 penetrates through the upper wall of the screening cavity 2 and is rotatably connected with the rotating shaft 6 through a transmission belt, the rotating shaft 6 drives the first rotating rod 8 to rotate through the transmission belt when rotating, the first rotating rod 8 drives the second eccentric wheel 22 to rotate through the meshing action of the bevel gear A10 and the bevel gear B11, the lower end of the second eccentric wheel 22 is slidably connected with the upper end of the baffle plate 14 through an annular clamping groove formed in the outer side end of the second eccentric wheel 22, the lower end of the baffle plate 14 penetrates through the fixing groove 12 and is slidably connected with the right end of the discharge hole 13, and the baffle plate 14 is driven to reciprocate when the second eccentric wheel 22 rotates, so that.

The inner side of the transverse plate 23 is provided with a circular cavity 19, two ends of the circular cavity 19 are symmetrically provided with sliding grooves 20, the inner side of the circular cavity 19 is provided with a first eccentric wheel 21, the left end and the right end of the first eccentric wheel 21 are symmetrically provided with pushing rods 24, the pushing rods 24 are slidably connected in the sliding grooves 20, the inner side end of each pushing rod 24 is fixedly provided with a T-shaped sliding block, the outer side end of each first eccentric wheel 21 is provided with an annular sliding groove, the T-shaped sliding blocks are slidably connected in the annular sliding grooves, the upper end of each first eccentric wheel 21 is fixedly connected with a first rotating rod 8, the first rotating rod 8 drives the first eccentric wheel 21 to rotate when rotating, the first eccentric wheels 21 drive the pushing rods 24 at two sides to move left and right reciprocally when rotating, the lower end of each pushing rod 24 is provided with a fixing piece, the fixing piece penetrates through, the other end of connecting rod 18 articulates in the sieve 16 upper end, the lower extreme intermediate position department of sieve 16 articulates on bracing piece 17 through the articulated elements, drives the reciprocal swing of sieve 16 through connecting rod 18 when catch bar 24 removes to the screening efficiency of sieve 16 has been improved.

The lower end of the inner side of the screening cavity 2 is provided with a collecting groove 15.

The left side upper end of storage cavity 1 is provided with feeder hopper 3.

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. An intermittent feeding type sand screening device for buildings comprises a material storage cavity (1) and a screening cavity (2); the material storage device is characterized in that the material storage cavity (1) is arranged at the upper end of the left side of the screening cavity (2) and is communicated with the screening cavity (2) through a discharge hole (13), a motor (5) is arranged at the upper end of the material storage cavity (1), the motor (5) is arranged at the right side end of the mounting plate (4), the output end of the motor (5) is fixedly connected with a rotating shaft (6), the lower end of the rotating shaft (6) penetrates through the upper wall of the material storage cavity (1) and extends into the inner side of the material storage cavity (1), a transverse plate (23) is fixedly arranged in the screening cavity (2), the left side end of the transverse plate (23) is fixedly arranged on a fixing groove (12), a second eccentric wheel (22) is rotatably connected to the inner side of the fixing groove (12), and the second eccentric wheel (22) is; the second rotating rod (9) is rotatably connected with the first rotating rod (8) through the meshing action of a bevel gear A (10) and a bevel gear B (11), and the upper end of the first rotating rod (8) penetrates through the upper wall of the screening cavity (2) and is rotatably connected with the rotating shaft (6) through a transmission belt; the lower end of the second eccentric wheel (22) is in sliding connection with the upper end of the baffle plate (14) through an annular clamping groove formed in the outer end of the second eccentric wheel, and the lower end of the baffle plate (14) penetrates through the fixing groove (12) and is in sliding connection with the right end of the discharge hole (13); the inboard of diaphragm (23) is provided with circular chamber (19), and the both ends symmetry in circular chamber (19) is provided with spout (20), and circular chamber (19) inboard is provided with first eccentric wheel (21), and both ends symmetry is provided with catch bar (24) about first eccentric wheel (21), and catch bar (24) sliding connection is in spout (20), the mounting is installed to catch bar (24) lower extreme, the mounting run through the logical groove that spout (20) lower extreme set up and with logical groove sliding connection, the lower extreme of mounting is articulated with the one end of connecting rod (18), and the other end of connecting rod (18) articulates in sieve (16) upper end, the lower extreme intermediate position department of sieve (16) articulates on bracing piece (17) through the articulated elements.

2. A building sequencing batch sand screen as claimed in claim 1, in which the screening chamber (2) is provided at its inboard lower end with a collection trough (15).

3. A building intermittent feeding type sand screening device as claimed in claim 1, characterized in that the left upper end of the storage cavity (1) is provided with a feed hopper (3).

4. An intermittent feeding type sand screening device for building according to claim 1, characterized in that a plurality of groups of stirring rods (7) are fixedly arranged on the rotating shaft (6) positioned at the inner side of the material storage cavity (1).

5. An intermittent feeding type sand screening device for building according to claim 1, characterized in that, the upper end of the first eccentric wheel (21) is fixedly connected with the first rotating rod (8).

6. An intermittent feeding type sand screening device for building as claimed in claim 1, characterized in that, the inside end of said pushing rod (24) is fixedly installed with a T-shaped sliding block, the outside end of the first eccentric wheel (21) is provided with an annular sliding groove, and the T-shaped sliding block is slidably connected in the annular sliding groove.