CN212190044U

CN212190044U - Concrete aggregate screening machine

Info

Publication number: CN212190044U
Application number: CN202020930100.5U
Authority: CN
Inventors: 田衍雷; 严世军; 张倩; 储国崇; 刘刚
Original assignee: Heze Urban Construction Lvyuan Environmental Protection Technology Co ltd
Current assignee: Heze Urban Construction Lvyuan Environmental Protection Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-12-22
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to the technical field of concrete, and discloses a concrete aggregate screening machine, which comprises a screening box, wherein the screening box is a rectangular box body, the interior of the screening box is hollow, the left side wall surface of the interior of the screening box is provided with a square groove which is in the shape of a rectangular groove, and the interior of the screening box is provided with a screening net plate, in the utility model, when the screening net plate moves up and down along with the rotation of a cam, the screening net plate can also drive a moving ring to move up and down through a connecting rod, at the moment, the moving ring can rotate through a spiral lug when moving up and down, when concrete aggregate is continuously conveyed in the screening box, some fine particles can be adhered to the inner wall surface of the screening box, at the moment, after the moving ring rotates, the moving ring drives a scraping block to rotate in the interior of the screening box, so that the scraping block can scrape the fine particles adhered to the inner wall surface of the, the scraping block falls into the sieving screen plate for sieving, so that the scraping block achieves the effect of automatic cleaning.

Description

Concrete aggregate screening machine

Technical Field

The utility model relates to a concrete technical field especially relates to a concrete aggregate screening machine.

Background

Along with the development of economy and the propulsion of urban construction, more and more concrete structure buildings are demolishd because of reaching service life or can not satisfying the application demand, and then produced a large amount of discarded concrete, and discarded concrete is through screening treatment back, the aggregate can be realized recycling, but prior art considers not perfect enough, often be accompanied with a large amount of glutinous husks in the discarded concrete aggregate, after building discarded concrete directly pours into the screening machine, glutinous husks glue with the inner wall of screening plant easily, and can't in time clear up, for this reason, we provide a concrete aggregate screening machine.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model mainly solves the technical problem existing in the prior art and provides a concrete aggregate screening machine.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the following technical scheme that the concrete aggregate screening machine comprises a screening box, wherein the screening box is a rectangular box body, the interior of the screening box is hollow, the left side wall surface of the interior of the screening box is provided with a square groove, the square groove is in a rectangular groove shape, the interior of the screening box is provided with a screening net plate, the left end of the screening net plate is provided with a connecting block, the connecting block is in a rectangular block shape, the left end of the connecting block penetrates through the square groove, the inner side wall surface of the interior of the screening box is provided with clamping blocks, the clamping blocks are in a rectangular block shape, four clamping blocks are arranged in total, one end of each two clamping blocks close to each other is an arc-shaped wall surface, the left end and the right end of the screening net plate are movably attached to one side wall surface of each two clamping blocks close to each other, the left side wall surface of the interior of, the upper end of fixed block is provided with the spring, the upper end of spring with the lower extreme fixed connection of screening otter board, the inside of screening case is equipped with holds the dress board, holds the dress board and is rectangular plate-like, hold about the dress board both ends with both ends fixed connection about the inside of screening case, the left side wall of screening case is provided with the fixed case, and the fixed case is the rectangle box, and the inside of fixed case is hollow, the inside front end of fixed case is provided with the motor.

Preferably, a rotating shaft is arranged at the front end output shaft end of the motor, the rotating shaft is a round shaft, a cam is arranged on the outer side wall surface of the rotating shaft, a fixing rod is arranged on the inner top side wall surface of the screening box, the fixing rod is round rod-shaped, a spiral bump is arranged on the outer side wall surface of the fixing rod, and a second spring is sleeved on the outer side wall surface of the fixing rod.

Preferably, the outer side wall surface of the fixed rod is provided with a moving ring, the upper end of the second spring is fixedly connected with the inner top side wall surface of the screening box, and the lower end of the second spring is fixedly connected with the upper end of the moving ring.

Preferably, the outer side wall surface of the moving ring is provided with two groups of scraping blocks which are rectangular blocks, one ends, far away from each other, of the two groups of scraping blocks are movably attached to the inner side wall surface of the sieving box, the lower end of the moving ring is provided with an annular groove, and the cross section of the annular groove is trapezoidal.

Preferably, the inside of the annular groove is provided with a connecting rod, the connecting rod is round and rod-shaped, the upper end of the connecting rod is oval in appearance, the upper end of the connecting rod is movably clamped with the inner side wall surface of the inside of the annular groove, and the lower end of the connecting rod is fixedly connected with the upper end of the screening screen plate.

Advantageous effects

The utility model provides a concrete aggregate screening machine. The method has the following beneficial effects:

(1) this concrete aggregate screening machine, when the screening otter board reciprocates along with the rotation of cam, the screening otter board also can drive the shift ring through the connecting rod and reciprocates, at this moment the shift ring just can rotate through spiral lug when reciprocating, when the continuous transport concrete aggregate of the inside of screening case, some tiny granules will glue glutinous with the internal face of screening case, at this moment after the shift ring is rotatory, the shift ring drives the scraping piece will be at the inside rotation of screening case, the scraping piece will strike off the sticky fine particles thing of screening incasement face like this, make it fall into the screening otter board and sieve, the scraping piece has just reached the effect of automatic clearance like this.

(2) The concrete aggregate screening machine is characterized in that after the motor is started, the motor drives the cam to rotate through the rotating shaft, when concrete aggregate is conveyed to the inside of the screening box, the concrete aggregate firstly falls on the screening net plate, at the moment, when the cam rotates, the longer end of the cam rotates to the connecting block, the screening net plate is pressed downwards, at the moment, the left end and the right end of the screening net plate move transversely left and right between the four groups of clamping blocks along with the arc surfaces of the clamping blocks after being pressed downwards, when the shorter end of the cam rotates to the connecting block, the screening net plate can be lifted upwards through the spring after being not pressed downwards, at the moment, the screening net plate can move transversely left and right when moving upwards, after the cam rotates at a high speed, the vibration amplitude of the screening net plate is increased, at the moment, the screening net plate can move transversely left and right when moving upwards and downwards, the concrete aggregate on the screening otter board compares traditional vibrations about will screening more even like this, and the fine aggregate and the fine particle of screening out will fall into on the board of holding, and the joint piece just reaches the effect that has improved the screening quality like this.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a partial schematic view of the spring of the present invention;

fig. 3 is a partial schematic view of the ring groove of the present invention.

Illustration of the drawings:

1 screening case, 2 square grooves, 3 screening otter boards, 4 connecting blocks, 5 clamping blocks, 6 fixing blocks, 7 springs, 8 bearing plates, 9 fixing cases, 10 motors, 11 rotating shafts, 12 cams, 13 fixing rods, 14 spiral lugs, 15 second springs, 16 moving rings, 17 scraping blocks, 18 annular grooves and 19 connecting rods.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a concrete aggregate screening machine is shown in figures 1-3 and comprises a screening box 1, wherein the screening box 1 is a rectangular box body, the interior of the screening box 1 is hollow, the left side wall surface of the interior of the screening box 1 is provided with a square groove 2, the square groove 2 is in a rectangular groove shape, a screening screen plate 3 is arranged in the screening box 1, the screening screen plate 3 is an existing mechanism and is not described herein any more, the left end of the screening screen plate 3 is provided with a connecting block 4, the connecting block 4 is in a rectangular block shape, the left end of the connecting block 4 penetrates through the square groove 2, the inner side wall surface of the interior of the screening box 1 is provided with clamping blocks 5, the clamping blocks 5 are in a rectangular block shape, the total number of the clamping blocks 5 is four, one end of each two clamping blocks 5, which are close to each other, is an arc-shaped wall surface, the left end and the right end of the screening screen plate 3 are movably attached to one side wall surface of, the screening box comprises a screening box 1, a fixing block 6 is arranged on the inner left side wall surface of the screening box 1, the fixing block 6 is in a rectangular block shape, a spring 7 is arranged at the upper end of the fixing block 6, the spring 7 is in an existing structure and is not described herein, the upper end of the spring 7 is fixedly connected with the lower end of the screening net plate 3, a bearing plate 8 is arranged inside the screening box 1, the bearing plate 8 is in a rectangular plate shape, the left end and the right end of the bearing plate 8 are fixedly connected with the left end and the right end inside the screening box 1, a fixing box 9 is arranged on the left side wall surface of the screening box 1, the fixing box 9 is a rectangular box body, the inside of the fixing box 9 is hollow, a motor 10 is arranged at the front end inside of the fixing box 9, the motor 10 is in an existing structure and is not described herein, a rotating shaft 11 is arranged at the front end output shaft end of the motor 10, the rotating shaft, the cam 12 is of a conventional structure, which is not described herein, a fixed rod 13 is disposed on an inner top side wall surface of the screening box 1, the fixed rod 13 is of a circular rod shape, a spiral bump 14 is disposed on an outer side wall surface of the fixed rod 13, a second spring 15 is sleeved on the outer side wall surface of the fixed rod 13, the second spring 15 is of a conventional structure, which is not described herein, a moving ring 16 is disposed on the outer side wall surface of the fixed rod 13, an upper end of the second spring 15 is fixedly connected with the inner top side wall surface of the screening box 1, a lower end of the second spring 15 is fixedly connected with an upper end of the moving ring 16, a scraping block 17 is disposed on the outer side wall surface of the moving ring 16, the scraping blocks 17 are rectangular blocks, two groups of scraping blocks 17 are provided in total, one end of the two groups of scraping blocks 17, which are far away from each other, is movably attached to an inner side, the cross section of ring channel 18 is trapezoidal, the inside of ring channel 18 is provided with connecting rod 19, and connecting rod 19 is circular shaft-like, and the upper end of connecting rod 19 is oval outward appearance, the upper end of connecting rod 19 with the inside wall face activity joint of ring channel 18 is in the same place, the lower extreme of connecting rod 19 with the upper end fixed connection of screening otter board 3.

The utility model discloses a theory of operation: when the motor 10 is started, the motor 10 drives the cam 12 to rotate through the rotating shaft 11, at this time, when concrete aggregate is conveyed to the inside of the screening box 1, the concrete aggregate firstly falls on the screening net plate 3, at this time, when the cam 12 rotates, the longer end of the cam 12 rotates to the connecting block 4, the screening net plate 3 is pressed downwards, at this time, after the screening net plate 3 is pressed downwards, the left end and the right end of the screening net plate 3 move transversely left and right along with the arc-shaped surfaces of the four clamping blocks 5 between the four groups of clamping blocks 5, when the shorter end of the cam 12 rotates to the connecting block 4, the screening net plate 3 is lifted upwards through the spring 7 after no pressing, at this time, the screening net plate 3 moves transversely left and right when moving upwards, after the cam 12 rotates at high speed, the vibration amplitude of the screening net plate 3 becomes large, at this time, the screening net plate 3 moves transversely left and right when moving upwards and downwards, the concrete aggregate on screening otter board 3 compares traditional vibrations about will screening more even like this, and the fine aggregate and the fine particle of screening out will fall into on bearing the dress board 8, and joint piece 5 has just reached the effect that has improved the screening quality like this.

When screening otter board 3 reciprocates along with the rotation of cam 12, screening otter board 3 also can drive shift ring 16 through connecting rod 19 and reciprocate, at this moment shift ring 16 just can rotate through spiral lug 14 when reciprocating, when the continuous transport concrete aggregate in the inside of screening case 1, some tiny granules will be sticky with the internal face of screening case 1, at this moment, after shift ring 16 is rotatory, shift ring 16 drives scraping block 17 will be rotatory in the inside of screening case 1, scraping block 17 will strike off the sticky fine particles of screening case 1 internal face like this, make it fall into screening otter board 3 and sieve, scraping block 17 has just reached the effect of automatic clearance like this.

The foregoing shows and describes the fundamental principles and principal features of the invention, namely the advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a concrete aggregate screening machine, includes screening case (1), the inside of screening case (1) is equipped with screening otter board (3), the inside of screening case (1) is equipped with holds dress board (8), the left side wall of screening case (1) is provided with fixed case (9), the inside front end of fixed case (9) is provided with motor (10), the front end output shaft end of motor (10) is provided with pivot (11), its characterized in that: the screening box is characterized in that a square groove (2) is formed in the inner left side wall face of the screening box (1), a connecting block (4) is arranged at the left end of the screening net plate (3), clamping blocks (5) are arranged on the inner side wall face of the screening box (1), four clamping blocks (5) are arranged in total, a fixing block (6) is arranged on the inner left side wall face of the screening box (1), a spring (7) is arranged at the upper end of the fixing block (6), a cam (12) is arranged on the outer side wall face of the rotating shaft (11), a fixing rod (13) is arranged on the inner top side wall face of the screening box (1), a spiral bump (14) is arranged on the outer side wall face of the fixing rod (13), a second spring (15) is sleeved on the outer side wall face of the fixing rod (13), a moving ring (16) is arranged on the outer side wall face of the moving ring (, and the scraping blocks (17) are divided into two groups, the lower end of the moving ring (16) is provided with an annular groove (18), and a connecting rod (19) is arranged in the annular groove (18).

2. The concrete aggregate screening machine according to claim 1, characterized in that: the left end of connecting block (4) runs through square groove (2), every two sets of joint piece (5) one end that is close to each other is the arc wall, screen net board (3) about both ends with every two sets of joint piece (5) one side wall activity laminating that is close to each other.

3. The concrete aggregate screening machine according to claim 1, characterized in that: the upper end of the spring (7) is fixedly connected with the lower end of the screening screen plate (3), and the left end and the right end of the bearing plate (8) are fixedly connected with the left end and the right end of the inside of the screening box (1).

4. The concrete aggregate screening machine according to claim 1, characterized in that: the upper end of the second spring (15) is fixedly connected with the top side wall surface in the sieving box (1), and the lower end of the second spring (15) is fixedly connected with the upper end of the moving ring (16).

5. The concrete aggregate screening machine according to claim 1, characterized in that: two sets of the one end that scraping piece (17) kept away from each other with the inside wall face activity laminating of screening case (1), the upper end of connecting rod (19) with the inside wall face activity joint of ring channel (18) is in the same place, the lower extreme of connecting rod (19) with the upper end fixed connection of screening otter board (3).