CN216174003U

CN216174003U - Grit screening equipment

Info

Publication number: CN216174003U
Application number: CN202122448356.XU
Authority: CN
Inventors: 时二欢; 张传通; 宋瑞敏; 马鹏程; 徐佳佳
Original assignee: China Construction Zhongxin Construction Engineering Co Ltd
Current assignee: China Construction Zhongxin Construction Engineering Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-05
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a sand and stone screening device, which comprises a frame body and first rotating shafts, wherein the side wall of the frame body is provided with two first rotating shafts, a sliding groove is formed in the first rotating shaft, a spring is fixed in the sliding groove, a sliding rod is fixed at the end part of the spring, the end part of the sliding rod penetrates through the first rotating shaft, a circular sieve plate is fixed at the end part of the sliding rod, a sieve cylinder is embedded and fixed on the surface of the circular sieve plate, a first full gear is fixed on the surface of one first rotating shaft, and the sand and stone screening device drives a driving mechanism to operate when a motor rotates through the mutual matching of the sliding groove, the first conical gear, the second conical gear, the third rotating shaft, a cam, a side plate and other parts, so that the sieve cylinder is driven to shake, the sieve cylinder is prevented from being blocked by sand and the fixed rotation of the sieve cylinder of the existing device is solved, easily cause the jam, influence follow-up screening problem.

Description

Grit screening equipment

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to sand and stone screening equipment.

Background

The sandstone is one of basic raw materials for building construction, and in the building construction process, the sandstone needs to be mixed with different materials respectively to meet different construction requirements, so that the sandstone needs to be screened by using screening equipment before mixing.

However, the existing sand screening device is divided into a straight plate type and a drum type, wherein a screen drum for drum type screening is mostly fixed on the surface of a frame body, so that after the device is used for a long time, the screen drum is easily blocked by particles in sand, and subsequent screening is influenced. To the above-mentioned problem, need carry out the innovative design on the basis of original grit screening equipment urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide sand and stone screening equipment, which aims to solve the problems that the prior sand and stone screening equipment is divided into a straight plate type and a roller type, wherein most of screen cylinders for roller type screening are fixed on the surface of a frame body, so that after the sand and stone screening equipment is used for a long time, the screen cylinders are easily blocked by particles in sand and stones, and the subsequent screening is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a sand and stone screening device comprises a frame body and first rotating shafts, wherein the two first rotating shafts are arranged on the side wall of the frame body, a sliding groove is arranged in the first rotating shaft, a spring is fixed in the sliding groove, a sliding rod is fixed at the end part of the spring, the end part of the sliding rod penetrates through the inside of the first rotating shaft, a circular sieve plate is fixed at the end part of the sliding rod, a screen cylinder is fixed on the surface of the circular screen plate in an embedded mode, a first full gear is fixed on the surface of one first rotating shaft, the side surface of the first full gear is connected with a second full gear, the center of the second full gear is provided with a second rotating shaft in a penetrating way, the end part of the second rotating shaft penetrates through the inside of the frame body, the end part of the second rotating shaft is fixed with a motor, the bottom of motor is fixed with the bottom plate, bottom plate and support body fixed connection, another tip of second pivot is fixed with actuating mechanism.

Preferably, the number of the springs is two, and the springs are symmetrically distributed around the central axis of the screen drum.

Preferably, the slide bar and the first rotating shaft form a clamping type sliding structure through a sliding groove, and the slide bar, the sliding groove and the first rotating shaft are all provided with two.

Preferably, the first full gear and the second full gear are in meshed connection, and a tooth block on the second full gear is larger than a tooth block on the first full gear.

Preferably, actuating mechanism includes first conical gear, second conical gear, third pivot, cam and curb plate, another tip of second pivot is fixed with first conical gear, the side of first conical gear is connected with second conical gear, the center department of second conical gear runs through and installs the third pivot, the fixed surface of third pivot has the cam, the surface of third pivot is provided with the curb plate, the tip and the support body fixed connection of curb plate.

Preferably, the first bevel gear and the second bevel gear are in meshed connection, and the first bevel gear and the second bevel gear are distributed perpendicularly to each other.

Compared with the prior art, the utility model has the beneficial effects that: the sand and stone screening device is characterized in that,

1. through mutually supporting of parts such as support body, first pivot, slide bar, circular sieve, a sieve section of thick bamboo, first full gear, second pivot, motor and bottom plate for can drive the cylinder through parts such as second full gear and rotate when the motor rotates, and then reach the work purpose of grit screening.

2. Through mutually supporting of parts such as spout, the first conical gear of spring-actuated mechanism, second conical gear, third pivot, cam and curb plate for can drive actuating mechanism operation in the time of the motor pivoted, and then drive a sieve section of thick bamboo and shake, thereby avoid a sieve section of thick bamboo to be blockked up by the grit, solved the fixed rotation of current equipment sieve section of thick bamboo, easily cause the jam, influence the problem of follow-up screening.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side sectional view of the chute of the present invention;

fig. 4 is a schematic structural diagram of the driving mechanism of the present invention.

In the figure: 1. a frame body; 2. a first rotating shaft; 3. a chute; 4. a spring; 5. a slide bar; 6. a circular sieve plate; 7. a screen cylinder; 8. a first full gear; 9. a second full gear; 10. a second rotating shaft; 11. a motor; 12. a base plate; 13. a drive mechanism; 1301. a first bevel gear; 1302. a second bevel gear; 1303. a third rotating shaft; 1304. a cam; 1305. side plates.

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. 1-4, the present invention provides a technical solution: the utility model provides a grit screening equipment, including support body 1 and first pivot 2, the lateral wall of support body 1 is provided with two first pivots 2, spout 3 has been seted up to the inside of first pivot 2, the inside of spout 3 is fixed with spring 4, the end fixing of spring 4 has slide bar 5, the inside of first pivot 2 is run through to the tip of slide bar 5, the end fixing of slide bar 5 has circular sieve 6, the nested surface of circular sieve 6 is fixed with a sieve section of thick bamboo 7, the surface fixing of a first pivot 2 has first full gear 8, the side of first full gear 8 is connected with second full gear 9, second pivot 10 is installed in the center department of second full gear 9's run through, the inside of support body 1 is run through to the tip of second pivot 10, the end fixing of second pivot 10 has motor 11, the bottom of motor 11 is fixed with bottom plate 12, bottom plate 12 and support body 1 fixed connection, another tip of second pivot 10 is fixed with actuating mechanism 13.

Spring 4 is provided with two, and spring 4 is used for driving a sieve section of thick bamboo 7 and resets about 7 central axis symmetric distributions of a sieve section of thick bamboo, and then cooperates with cam 1304, reaches the purpose of a sieve section of thick bamboo 7 shake, avoids a sieve section of thick bamboo 7 to be blockked up by the grit.

Slide bar 5 constitutes block type sliding structure through spout 3 and first pivot 2, and slide bar 5, spout 3 and first pivot 2 all are provided with two, and block type sliding structure makes a sieve section of thick bamboo 7 still can shake in rotary screening, and then makes the grit can't block up a sieve section of thick bamboo 7 easily, guarantees subsequent screening effect.

First full gear 8 is connected for the meshing with second full gear 9, and the tooth piece on the second full gear 9 is greater than the tooth piece on the first full gear 8, and the meshing is connected and can be driven sieve section of thick bamboo 7 rotatory when making motor 11 pivoted, and then realizes the work purpose of grit screening, and the tooth piece variation in size makes sieve section of thick bamboo 7 still can carry out the meshing rotation when the shake simultaneously.

The driving mechanism 13 comprises a first bevel gear 1301, a second bevel gear 1302, a third rotating shaft 1303, a cam 1304 and a side plate 1305, the first bevel gear 1301 is fixed to the other end of the second rotating shaft 10, the second bevel gear 1302 is connected to the side face of the first bevel gear 1301, the third rotating shaft 1303 is installed in the center of the second bevel gear 1302 in a penetrating mode, the cam 1304 is fixed to the surface of the third rotating shaft 1303, the side plate 1305 is arranged on the surface of the third rotating shaft 1303, the end portion of the side plate 1305 is fixedly connected with the frame body 1, the driving mechanism can drive the screen drum 7 to reciprocate when in operation, sand inside the screen drum 7 cannot easily block meshes, and therefore the using effect of the screen drum 7 is guaranteed.

The first bevel gear 1301 and the second bevel gear 1302 are in meshed connection, the first bevel gear 1301 and the second bevel gear 1302 are perpendicular to each other, the motor 11 can drive the first rotating shaft 2 to rotate and the third rotating shaft 1303 to rotate due to meshed connection, the working effect of rotary shaking of the screen drum 7 is achieved, and meanwhile the energy utilization rate of the motor 11 is improved.

The working principle is as follows: when the sand screening device is used, sand is firstly poured into the inside of the screen cylinder 7 from the feeding hole at the top of the screen cylinder 7, then the motor 11 is started to drive the second full gear 9 to rotate, the first full gear 8 drives the first rotating shaft 2 to rotate when the second full gear 9 rotates, because the first rotating shaft 2 is connected with the screen cylinder 7 through the sliding rod 5 and the circular screen plate 6, the screen cylinder 7 is driven to rotate when the first rotating shaft 2 rotates, the motor 11 drives the second full gear 9 to rotate, simultaneously, the first conical gear 1301 is driven to rotate through the second rotating shaft 10, then, under the meshing relationship of the first conical gear 1301 and the second conical gear, the third rotating shaft 1303 is further driven to rotate, when the third rotating shaft 1303 rotates, the cam 1304 approaches the circular screen plate 6, and after the contact, the cam 1304 pushes the screen cylinder 1302 to displace, when a sieve section of thick bamboo 7 displacement, can extension spring 4, rotation along with third pivot 1303, cam 1304 can begin to do the motion of keeping away from circular sieve 6, at this moment, under spring 4's effect, can drag circular sieve 6 and reset, and then drive a sieve section of thick bamboo 7 and reset, do the motion opposite with the displacement direction promptly, rotation that third pivot 1303 does not stop, make above-mentioned reciprocating motion that sieve section of thick bamboo 7 also can not stop, because there is the sieve mesh on the sieve section of thick bamboo 7, so can accomplish the screening to the grit when sieve section of thick bamboo 7 moves, the grit that meets the requirements can follow the inside outflow of sieve section of thick bamboo 7, nonconforming can be detained inside sieve section of thick bamboo 7, and because the incessant shake of sieve section of thick bamboo 7, make the grit can't cause the jam to sieve section of thick bamboo 7, so sieve until accomplishing, close after motor 11, open the discharge gate of sieve section of thick bamboo 7, clear away from the inside waste material of sieve section of thick bamboo 7, can begin new round of sieving.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a grit screening installation, includes support body (1) and first pivot (2), its characterized in that: the side wall of the frame body (1) is provided with two first rotating shafts (2), a sliding groove (3) is formed in the first rotating shaft (2), a spring (4) is fixed in the sliding groove (3), a sliding rod (5) is fixed at the end of the spring (4), the end of the sliding rod (5) penetrates through the first rotating shaft (2), a circular sieve plate (6) is fixed at the end of the sliding rod (5), a sieve tube (7) is fixed on the surface of the circular sieve plate (6) in an embedded mode, a first full gear (8) is fixed on the surface of the first rotating shaft (2), a second full gear (9) is connected to the side face of the first full gear (8), a second rotating shaft (10) is installed at the center of the second full gear (9) in a penetrating mode, the end of the second rotating shaft (10) penetrates through the frame body (1), and a motor (11) is fixed at the end of the second rotating shaft (10), the bottom of motor (11) is fixed with bottom plate (12), bottom plate (12) and support body (1) fixed connection, another tip of second pivot (10) is fixed with actuating mechanism (13).

2. A sand screening apparatus according to claim 1, wherein: the two springs (4) are arranged, and the springs (4) are symmetrically distributed around the central axis of the screen drum (7).

3. A sand screening apparatus according to claim 1, wherein: the sliding rod (5) and the first rotating shaft (2) form a clamping type sliding structure through the sliding groove (3), and the sliding rod (5), the sliding groove (3) and the first rotating shaft (2) are all provided with two.

4. A sand screening apparatus according to claim 1, wherein: the first full gear (8) is in meshed connection with the second full gear (9), and the tooth blocks on the second full gear (9) are larger than those on the first full gear (8).

5. A sand screening apparatus according to claim 1, wherein: the driving mechanism (13) comprises a first bevel gear (1301), a second bevel gear (1302), a third rotating shaft (1303), a cam (1304) and a side plate (1305), wherein the first bevel gear (1301) is fixed to the other end of the second rotating shaft (10), the second bevel gear (1302) is connected to the side face of the first bevel gear (1301), the third rotating shaft (1303) penetrates through the center of the second bevel gear (1302), the cam (1304) is fixed to the surface of the third rotating shaft (1303), the side plate (1305) is arranged on the surface of the third rotating shaft (1303), and the end portion of the side plate (1305) is fixedly connected with the frame body (1).

6. A sand screening apparatus according to claim 5, wherein: the first bevel gear (1301) and the second bevel gear (1302) are in meshed connection, and the first bevel gear (1301) and the second bevel gear (1302) are distributed perpendicularly to each other.