CN213792705U

CN213792705U - Concrete raw material screening device

Info

Publication number: CN213792705U
Application number: CN202022300760.8U
Authority: CN
Inventors: 王蓉
Original assignee: Ganzhou Dingqiang New Building Materials Co ltd
Current assignee: Ganzhou Dingqiang New Building Materials Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-27
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a concrete raw material screening device, which comprises a screening box, wherein a feed inlet is fixedly arranged on the upper surface of the screening box, a drawing frame is arranged in the screening box in a sliding manner, a screen mesh is arranged in the drawing frame in a sliding manner, a sleeve is fixedly arranged on the outer side of the screen mesh, a sliding rod is arranged in the sleeve in a sliding manner, and the sliding rod is rotatably connected with a connecting rod; a support plate is fixedly arranged on one side of the screening box, a sliding plate is arranged in the support plate in a sliding manner, a motor is fixedly arranged on the upper surface of the sliding plate, a rotary table is fixedly connected to the output end of the motor, and a connecting rod is rotatably connected to the rotary table; compared with the prior art, the utility model discloses a slidable pull frame and screen cloth have been set up for when changing or maintaining the screen cloth, only need with the outside of pull frame roll-off screening case, and with the inside roll-off of screen cloth from the pull frame, thereby realize the change and the maintenance to the screen cloth, it is very convenient, simple and practical, facilitate promotion.

Description

Concrete raw material screening device

Technical Field

The utility model relates to a soil concrete processing technology field specifically is a concrete raw materials sieving mechanism.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement as the cementing materials and sand and stone as the aggregate; the concrete screening device is widely applied to civil engineering, and concrete with different specifications needs different sand and stone grain sizes, so that screening and filtering are frequently required, but the current concrete screening device cannot adjust the screening frequency of a screen mesh so as to obtain concrete with different specifications, and the screen mesh is easy to damage due to concrete raw materials in the screening process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete raw materials sieving mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a concrete raw material screening device comprises a screening box, wherein a feed inlet is fixedly formed in the upper surface of the screening box, a drawing frame is arranged in the screening box in a sliding mode, a screen is arranged in the drawing frame in a sliding mode, a sleeve is fixedly arranged on the outer side of the screen, a sliding rod is arranged in the sleeve in a sliding mode, and the sliding rod is rotatably connected with a connecting rod; the fixed backup pad that is equipped with in one side of screening case, the inside slip of backup pad is equipped with the slide, the fixed surface of slide is equipped with the motor, the output fixedly connected with carousel of motor, it is connected with the connecting rod to rotate on the carousel, the fixed surface of screening case is equipped with out the work or material rest, the below of going out the work or material rest is provided with the discharge gate.

Preferably, the screening box is provided with a limiting plate in a mirror image distribution in a rotating mode at one side of the drawing frame.

Preferably, the inside of pull frame has seted up the spout, the bilateral symmetry of screen cloth is equipped with the slider, the slider can slide in the inside of spout.

Preferably, one side of the screen opposite to the sleeve is slidably connected with a damping plate, and a damping spring is fixedly arranged between the damping plate and the screen.

Preferably, the damping plate is symmetrically provided with limiting blocks on one side close to the screen, the limiting blocks can slide in the screen, and the cross section of the limiting blocks is L-shaped.

Preferably, a plurality of limiting grooves are formed in the sliding rod, limiting columns are slidably arranged on the outer sides of the sleeves, and the limiting columns can penetrate through the sleeves and can be inserted into the limiting grooves.

Preferably, a plurality of draw-in grooves have been seted up to the inside of slide, the symmetry is equipped with the fixed block in the backup pad, and is adjacent it is equipped with the fixture block to rotate between the fixed block, the one end of fixture block can run through the backup pad and the inside of card setting at the draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. compared with the prior art, the utility model has the advantages that the slidable drawing frame and the screen are arranged, so that when the screen is replaced or maintained, the drawing frame only needs to slide out of the screening box and the screen slides out of the drawing frame, thereby realizing replacement and maintenance of the screen, and the screen is very convenient, simple and practical and convenient to popularize;

2. by arranging the slidable slide bar, the length of the slide bar is adjusted, so that the swinging frequency of the screen is increased when the rotary table rotates, the screening efficiency of the screen on concrete raw materials is increased, and concrete with different specifications is obtained;

3. set up the shock attenuation board through the tip at the screen cloth, prevented that the screen cloth from causing the striking to the pull frame when the screening, damage pull frame has prolonged the life of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the utility model of a drawing frame and a screen;

FIG. 3 is a schematic view of the structural screen of the present invention;

FIG. 4 is a schematic sectional view of the structural sleeve and the sliding rod of the present invention;

FIG. 5 is a schematic cross-sectional view of the structural support plate and the slide plate of the present invention;

fig. 6 is a schematic view of the structure damping plate of the present invention.

In the figure: 1. a screening box; 11. a feed inlet; 12. a discharging frame; 13. a discharge port; 14. a limiting plate; 15. A support plate; 16. a slide plate; 161. a card slot; 17. a fixed block; 18. a clamping block; 2. drawing the frame; 21. Screening a screen; 22. a sleeve; 23. a limiting column; 24. a slide bar; 241. a limiting groove; 25. a slider; 26. a limiting block; 27. a damper plate; 28. a damping spring; 29. a chute; 3. a motor; 31. a turntable; 32. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a concrete raw material screening device comprises a screening box 1, a feed inlet 11 is fixedly arranged on the upper surface of the screening box 1, concrete raw materials enter the screening box 1 from the feed inlet 11 for screening, a drawing frame 2 is arranged in the screening box 1 in a sliding mode, the drawing frame 2 can slide to the outer side of the screening box 1, a screen 21 is arranged in the drawing frame 2 in a sliding mode, the screen 21 can slide in the drawing frame 2, when the screen 21 is maintained or replaced, the screen 21 is slid to the outside of the drawing frame 2, thereby replacing the screen 21, a sleeve 22 is fixedly arranged on the outer side of the screen 21, a slide bar 24 is arranged in the sleeve 22 in a sliding way, the slide bar 24 can adjust the length in a sliding way, and is detachable, the slide bar 24 is slid to the outside of the sleeve 22, the slide bar 24 is separated from the sleeve 22, so that the drawer frame 2 can slide out of the screening box 1, and the slide rod 24 is rotatably connected with the connecting rod 32; a supporting plate 15 is fixedly arranged on one side of the screening box 1, a sliding plate 16 is slidably arranged inside the supporting plate 15, a motor 3 is fixedly arranged on the upper surface of the sliding plate 16, the sliding plate 16 can slidably adjust the position of the motor 3, a rotary disc 31 is fixedly connected to the output end of the motor 3, a connecting rod 32 is rotatably connected to the rotary disc 31, the motor 3 drives the rotary disc 31 to rotate, so as to drive the connecting rod 32 to rotate, so as to drive the sliding rod 24 to move, so as to enable the screen 21 to swing left and right, thereby realizing the screening of concrete raw materials, the position of the motor 3 is adjusted through the sliding plate 16, and the sliding rod 24 is driven to slide, so as to adjust the length of the sliding rod 24, thereby realizing the rotation of the rotary disc 31, increasing the swinging frequency of the screen 21, thereby increasing the screening efficiency of the screen 21 on the concrete raw materials, a discharge frame 12 is fixedly arranged on the lower surface of the screening box 1, and a discharge hole 13 is arranged below the discharge frame 12, the screened concrete raw materials are discharged through a discharge port 13.

Further, screening case 1 is located the one side rotation of drawer frame 2 and is equipped with the limiting plate 14 that the mirror image distributes, and limiting plate 14 can rotate and will draw frame 2 fixed, prevents that drawer frame 2 from sliding when the screening.

Further, spout 29 has been seted up to the inside of pull frame 2, and the bilateral symmetry of screen cloth 21 is equipped with slider 25, and slider 25 can slide in the inside of spout 29, and screen cloth 21 passes through slider 25 and slides in the inside of pull frame 2 for the change and the maintenance of screen cloth 21 are more convenient.

Further, one side of the screen 21 opposite to the sleeve 22 is slidably connected with a damping plate 27, and a damping spring 28 is fixedly arranged between the damping plate 27 and the screen 21, so that the screen 21 is prevented from impacting the drawing frame 2 during screening, vibration is reduced, and noise is reduced.

Further, the damping plate 27 is symmetrically provided with the limiting blocks 26 on one side close to the screen 21, the limiting blocks 26 can slide in the screen 21, the cross section of the limiting blocks 26 is L-shaped, and the damping plate 27 is arranged, so that the damage of the screen 21 to the drawing frame 2 during operation is effectively reduced.

Furthermore, a plurality of limiting grooves 241 are formed in the sliding rod 24, limiting columns 23 are slidably arranged on the outer sides of the sleeves 22, the limiting columns 23 can penetrate through the sleeves 22 and are inserted into the limiting grooves 241, the sliding rod 24 is fixed, the length of the sliding rod 24 is adjusted, and therefore the swinging frequency of the screen 21 is controlled, the screening efficiency is increased when the screen 21 is screened, and concrete with different specifications is obtained.

Further, a plurality of draw-in grooves 161 have been seted up to slide 16's inside, the symmetry is equipped with fixed block 17 in the backup pad 15, it is equipped with fixture block 18 to rotate between the adjacent fixed block 17, the one end of fixture block 18 can run through backup pad 15 and the inside at draw-in groove 161 is established to the card, thereby fix slide 16's position, realize adjusting motor 3's position through slide 16, thereby it slides to drive slide bar 24, adjust slide bar 24's position, thereby when realizing that carousel 31 rotates, increase screen cloth 21's swing frequency, thereby increase the screening efficiency to the concrete raw materials.

The working principle is as follows: the utility model discloses when using, sliding plate 16, adjust the position of motor 3, and it slides to drive slide bar 24, adjust the length of slide bar 24, fix slide bar 24 and slide 16, enter into the inside of screening case 1 with the concrete raw materials through feed inlet 11, and open motor 3, motor 3 drives carousel 31 and rotates, thereby drive connecting rod 32 and rotate, thereby drive the motion of slide bar 24, thereby make screen cloth 21 sway from side to side, thereby realize screening the concrete raw materials, when maintaining or changing screen cloth 21, it makes slide bar 24 roll-off sleeve 22 to rotate carousel 31 through connecting rod 32, will draw frame 2 roll-off screening cases 1, and draw frame 2 with screen cloth 21 roll-off, thereby change or maintain screen cloth 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The concrete raw material screening device comprises a screening box (1), and is characterized in that a feeding hole (11) is fixedly formed in the upper surface of the screening box (1), a drawing frame (2) is arranged inside the screening box (1) in a sliding mode, a screen (21) is arranged inside the drawing frame (2) in a sliding mode, a sleeve (22) is fixedly arranged on the outer side of the screen (21), a sliding rod (24) is arranged inside the sleeve (22) in a sliding mode, and the sliding rod (24) is rotatably connected with a connecting rod (32); fixed backup pad (15) that is equipped with in one side of screening case (1), the inside slip of backup pad (15) is equipped with slide (16), the last fixed surface of slide (16) is equipped with motor (3), the output end fixedly connected with carousel (31) of motor (3), it is connected with connecting rod (32) to rotate on carousel (31), the lower fixed surface of screening case (1) is equipped with out work or material rest (12), the below that goes out work or material rest (12) is provided with discharge gate (13).

2. The concrete feed screening apparatus of claim 1, wherein: screening case (1) is located one side rotation of drawing frame (2) and is equipped with limiting plate (14) that the mirror image distributes.

3. The concrete feed screening apparatus of claim 1, wherein: the inside of drawing frame (2) is seted up spout (29), the bilateral symmetry of screen cloth (21) is equipped with slider (25), slider (25) can slide in the inside of spout (29).

4. The concrete feed screening apparatus of claim 1, wherein: one side of the screen (21) opposite to the sleeve (22) is connected with a damping plate (27) in a sliding mode, and a damping spring (28) is fixedly arranged between the damping plate (27) and the screen (21).

5. The concrete raw material screening device according to claim 4, characterized in that: the damping plate (27) is symmetrically provided with limiting blocks (26) at one side close to the screen (21), the limiting blocks (26) can slide in the screen (21), and the cross section of each limiting block (26) is L-shaped.

6. The concrete feed screening apparatus of claim 1, wherein: the sliding rod (24) is internally provided with a plurality of limiting grooves (241), the outer side of the sleeve (22) is provided with a limiting column (23) in a sliding mode, and the limiting column (23) can penetrate through the sleeve (22) and can be inserted into the limiting grooves (241).

7. The concrete feed screening apparatus of claim 1, wherein: a plurality of clamping grooves (161) are formed in the sliding plate (16), fixing blocks (17) are symmetrically arranged on the supporting plate (15), adjacent fixing blocks (18) are rotatably arranged between the fixing blocks (17), and one ends of the clamping blocks (18) can penetrate through the supporting plate (15) and are clamped in the clamping grooves (161).