CN216225252U

CN216225252U - Sand screening machine for producing recycled concrete

Info

Publication number: CN216225252U
Application number: CN202122885882.2U
Authority: CN
Inventors: 陈国聪; 曹颖骥
Original assignee: Dongguan Jinsheng Concrete Co ltd
Current assignee: Dongguan Jinsheng Concrete Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-08
Anticipated expiration: 2031-11-23

Abstract

The application discloses screening sand machine for producing recycled concrete relates to screening sand machine technical field, and it is relatively poor to improve present screening sand machine and cause the screening effect, often needs the problem of screening many times. Including the pivot, the outside cover of pivot is equipped with a sieve section of thick bamboo, the inner wall fixedly connected with spiral delivery leaf of a sieve section of thick bamboo, this application is through the setting of a sieve section of thick bamboo, spiral delivery leaf and motor, and set the level to a sieve section of thick bamboo, make can drive the pivot through sprocket and chain when motor start-up work, the connecting rod, spiral delivery leaf and sieve section of thick bamboo rotate in step, make a sieve section of thick bamboo can filter its inside grit of discharging into when rotating, and can carry the inside stone of selecting of a sieve section of thick bamboo from the right side left when spiral delivery leaf rotates, compare in setting up the slope of a sieve section of thick bamboo and filter the grit, effectively reduce partial grit because the action of gravity, directly from a sieve section of thick bamboo exhaust probability, thereby effectively improved the screening effect to the grit.

Description

Sand screening machine for producing recycled concrete

Technical Field

The application relates to the technical field of sand screening machines, in particular to a sand screening machine for producing recycled concrete.

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. The sand screening machine is divided into a drum-type sand screening machine, a washing drum-type sand screening machine, a vibrating screen type sand screening machine and the like, and stones in sand need to be screened out in the production process of recycled concrete so as to meet the production requirement of the recycled concrete.

The prior sand screening machine comprises a base and a screen drum obliquely arranged on the base, wherein the screen drum is rotationally connected to the base; place the grit in a sieve section of thick bamboo, can screen the grit through rotating a sieve section of thick bamboo. However, because the screen drum is obliquely arranged, the gravels discharged into the screen drum easily and directly slide out from the screen drum under the action of gravity, so that the screening effect is poor and multiple screening is often required.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that present screening sand machine caused the screening effect relatively poor, often need screen many times, this application provides a screening sand machine for producing recycled concrete.

The application provides a screening sand machine for producing recycled concrete adopts following technical scheme:

a sand screening machine for producing recycled concrete comprises a rotating shaft, wherein a screen cylinder is sleeved on the outer side of the rotating shaft, a spiral conveying blade is fixedly connected to the inner wall of the screen cylinder, a connecting rod is uniformly and fixedly connected between the spiral conveying blade and the rotating shaft, one end of the outer side of the rotating shaft is rotatably connected with a first fixing plate, a material guide pipe is arranged above the first fixing plate and extends into the screen cylinder, a hopper is fixedly connected to the top of the material guide pipe, first stand columns are symmetrically and fixedly connected to two sides of the hopper, the first fixing plate is fixedly connected with the first stand columns, a second fixing plate is symmetrically and rotatably connected to the other end of the outer side of the rotating shaft, second stand columns are symmetrically and fixedly connected to two sides of the second fixing plate, supporting plates are fixedly connected to the tops of the two groups of second fixing plates, and a motor is fixedly connected to the tops of the supporting plates, the output of motor with the equal fixedly connected with sprocket of one end of pivot, it is two sets of the meshing is connected with the chain between the sprocket.

Optionally, a material guide groove is formed in the bottom of one side, away from the material guide pipe, of the screen cylinder, a support rod is fixedly connected to the bottom of the material guide groove, and the support rod is fixedly connected with the second stand column.

Optionally, the outside cover of a sieve section of thick bamboo is equipped with the arc and keeps off the cover, the top fixedly connected with roof of arc fender cover, the one end of roof with hopper fixed connection, the other end of roof with second stand fixed connection.

Optionally, the arc-shaped shield is symmetrically and fixedly connected with a material guide plate at the bottom.

Optionally, a conveying frame is arranged below the material guide plate, the conveying frame is fixedly connected with the first stand column, a driving roller driven by a motor is rotatably connected to one side of the interior of the conveying frame, a driven roller is rotatably connected to the other side of the interior of the conveying frame, and a belt is in transmission connection with the conveying frame.

Optionally, the inclination angle of the top surface of the belt is the same as the ground inclination angle of the material guide plate.

Optionally, one side of the bottom of the conveying frame is symmetrically and rotatably connected with a third upright post.

Optionally, one end of the conveying frame is fixedly connected with the second upright post.

To sum up, the beneficial effect of this application is as follows:

this application is through a sieve section of thick bamboo, the setting of spiral delivery leaf and motor, and set a sieve section of thick bamboo to the level, make and to drive the pivot through sprocket and chain when motor start-up work, the connecting rod, spiral delivery leaf and sieve section of thick bamboo rotate in step, make a sieve section of thick bamboo can filter its inside grit of discharging when rotating, and can carry the inside stone of selecting of a sieve section of thick bamboo from the right side left side when spiral delivery leaf rotates, compare in setting up the slope of a sieve section of thick bamboo and filter the grit, effectively reduce partial grit because the action of gravity, directly follow sieve section of thick bamboo exhaust probability, thereby effectively improved the screening effect to the grit.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present application;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

FIG. 3 is a schematic view of the arcuate shield configuration of the present application.

Description of reference numerals: 1. a rotating shaft; 2. a connecting rod; 3. a spiral conveying blade; 4. a screen cylinder; 5. a first fixing plate; 6. a hopper; 7. a material guide pipe; 8. a first upright post; 9. a second fixing plate; 10. a second upright post; 11. a support plate; 12. a motor; 13. a sprocket; 14. a chain; 15. a support rod; 16. a material guide chute; 17. a third column; 18. an arc-shaped shield; 19. a top plate; 20. a carriage; 21. a drive roll; 22. a belt; 23. a driven roller; 24. a material guide plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, a sand screening machine for producing recycled concrete includes a rotating shaft 1, a first fixing plate 5 is rotatably connected to one end of the outer side of the rotating shaft 1, the first fixing plate 5 is arranged to support the rotating shaft 1, a material guide pipe 7 is arranged above the first fixing plate 5, a hopper 6 is fixedly connected to the top of the material guide pipe 7, and the hopper 6 and the material guide pipe 7 are arranged to guide and contain gravels to be screened. The bilateral symmetry fixedly connected with first stand 8 of hopper 6, first fixed plate 5 and first stand 8 fixed connection, the setting of first stand 8 is used for providing the support to hopper 6 and first fixed plate 5.

Referring to fig. 1-2, the other end of the outer side of the rotating shaft 1 is symmetrically and rotatably connected with a second fixing plate 9, the second fixing plate 9 is arranged to support the rotating shaft 1, the two sides of the second fixing plate 9 are symmetrically and fixedly connected with a second upright post 10, and the second upright post 10 is arranged to support and fix the second fixing plate 9. The top fixedly connected with layer board 11 of two sets of second fixed plates 9, the top fixedly connected with motor 12 of layer board 11, the setting of layer board 11 is used for providing to support motor 12 fixedly, the equal fixedly connected with sprocket 13 of output of motor 12 and the one end of pivot 1, the meshing is connected with chain 14 between two sets of sprockets 13, motor 12 is used for through sprocket 13 and the rotation of 14 drive pivots of chain when starting work.

Referring to fig. 1-3, the outside cover of pivot 1 is equipped with a sieve section of thick bamboo 4, the passage 7 extends to the inside of a sieve section of thick bamboo 4, the setting of a sieve section of thick bamboo 4 is used for screening the grit when rotating, the outside cover of a sieve section of thick bamboo 4 is equipped with arc fender cover 18, the setting of arc fender cover 18 is used for reducing the sand material of screening when a sieve section of thick bamboo 4 rotates and splashes, the top fixedly connected with roof 19 of arc fender cover 18, the one end and the hopper 6 fixed connection of roof 19, the other end and the second stand 10 fixed connection of roof 19, the setting of roof 19 is used for supporting arc fender cover 18 fixedly.

Referring to fig. 1-3, the bottom of the arc-shaped shield 18 is symmetrically and fixedly connected with a material guide plate 24, the material guide plate 24 is arranged to guide the screened sand, a conveying frame 20 is arranged below the material guide plate 24, a third upright post 17 is symmetrically and rotatably connected to one side of the bottom of the conveying frame 20, and the third upright post 17 is arranged to support the conveying frame 20. One end and the second stand 10 fixed connection of carriage 20, carriage 20 and first stand 8 fixed connection, inside one side of carriage 20 is rotated and is connected with motor drive's drive roller 21, the inside opposite side of carriage 20 is rotated and is connected with driven voller 23, the transmission is connected with belt 22 between drive roller 21 and the carriage 20, drive roller 21 is used for driving belt 22 and rotates along with it when rotating, thereby carry the sand material of selecting, the top surface of belt 22 is the same with the ground inclination of stock guide 24, make the sand material of selecting can be by stock guide 24 water conservancy diversion to belt 22, in order to reduce the unrestrained probability of sand material.

Referring to fig. 1, a spiral conveying blade 3 is fixedly connected to an inner wall of a screen cylinder 4, the spiral conveying blade 3 is used for conveying stones screened from the inside of the screen cylinder 4 during rotation, a material guide chute 16 is arranged at a bottom of one side of the screen cylinder 4, which is far away from a material guide pipe 7, a support rod 15 is fixedly connected to a bottom of the material guide chute 16, the support rod 15 is fixedly connected to a second upright post 10, and the material guide chute 16 is arranged for receiving the stones conveyed by the spiral conveying blade 3. Even fixedly connected with connecting rod 2 between spiral conveying leaf 3 and the pivot 1, the setting of connecting rod 2 is used for being connected pivot 1 and spiral conveying leaf 3 fixedly to the realization is fixed to the support of spiral conveying leaf 3 and a sieve section of thick bamboo 4.

The implementation principle of the application is as follows:

when the screening machine is used, gravels to be screened are poured into the hopper 6, the gravels are discharged into the screen cylinder 4 through the material guide pipe 7, the motor 12 is started to work, the rotating shaft 1, the spiral conveying blades 3 and the screen cylinder 4 are driven to rotate through the chain wheel 13 and the chain 14, the gravels discharged into the screen cylinder 4 can be screened in a rolling mode when the screen cylinder 4 rotates, stones in the sand are screened, the sand is guided to the top of the belt 22 through the arc-shaped retaining cover 18 and the material guide plate 24, the motor driving the driving roller 21 is started, the driving roller 21 and the belt 22 are driven to rotate, the sand falling on the top of the belt 22 is conveyed upwards in an inclined mode and finally falls, and the screened stones are conveyed to the top of the material guide chute 16 through the spiral conveying blades 3 which rotate continuously and then fall.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A screening sand machine for producing recycled concrete, includes pivot (1), its characterized in that: the sieve drum is characterized in that a sieve drum (4) is sleeved on the outer side of the rotating shaft (1), a spiral conveying blade (3) is fixedly connected to the inner wall of the sieve drum (4), a connecting rod (2) is uniformly and fixedly connected between the spiral conveying blade (3) and the rotating shaft (1), a first fixing plate (5) is rotatably connected to one end of the outer side of the rotating shaft (1), a material guide pipe (7) is arranged above the first fixing plate (5), the material guide pipe (7) extends into the sieve drum (4), a hopper (6) is fixedly connected to the top of the material guide pipe (7), a first upright column (8) is fixedly connected to the two sides of the hopper (6) symmetrically, the first fixing plate (5) is fixedly connected with the first upright column (8), a second fixing plate (9) is rotatably connected to the other end of the outer side of the rotating shaft (1) symmetrically, a second upright column (10) is fixedly connected to the two sides of the second fixing plate (9) symmetrically, two sets of top fixedly connected with layer board (11) of second fixed plate (9), the top fixedly connected with motor (12) of layer board (11), the output of motor (12) with equal fixedly connected with sprocket (13) of one end of pivot (1), it is two sets of the meshing is connected with chain (14) between sprocket (13).

2. A screening machine for the production of recycled concrete according to claim 1, characterized in that: the bottom of one side, away from the material guide pipe (7), of the screen drum (4) is provided with a material guide groove (16), the bottom of the material guide groove (16) is fixedly connected with a support rod (15), and the support rod (15) is fixedly connected with the second upright post (10).

3. A screening machine for the production of recycled concrete according to claim 1, characterized in that: the outside cover of a sieve section of thick bamboo (4) is equipped with arc and keeps off cover (18), the top fixedly connected with roof (19) of arc fender cover (18), the one end of roof (19) with hopper (6) fixed connection, the other end of roof (19) with second stand (10) fixed connection.

4. A screening machine for the production of recycled concrete according to claim 3, characterized in that: the bottom of the arc-shaped shield (18) is symmetrically and fixedly connected with a material guide plate (24).

5. A sand screen for the production of recycled concrete according to claim 4, characterized in that: the material guide plate is characterized in that a conveying frame (20) is arranged below the material guide plate (24), the conveying frame (20) is fixedly connected with the first stand column (8), a driving roller (21) driven by a motor is rotatably connected to one side of the interior of the conveying frame (20), a driven roller (23) is rotatably connected to the other side of the interior of the conveying frame (20), and a belt (22) is in transmission connection with the conveying frame (20) and the driving roller (21).

6. A sand screen for the production of recycled concrete according to claim 5, characterized in that: the top surface of the belt (22) has the same inclination angle with the ground of the material guide plate (24).

7. A sand screen for the production of recycled concrete according to claim 5, characterized in that: one side of the bottom of the conveying frame (20) is symmetrically and rotatably connected with a third upright post (17).

8. A sand screen for the production of recycled concrete according to claim 7, characterized in that: one end of the conveying frame (20) is fixedly connected with the second upright post (10).