CN219424910U - Sand and stone vibration screening machine - Google Patents

Abstract

The utility model relates to the technical field of sand and stone screening, and discloses a sand and stone vibration screening machine, which comprises a rack which is obliquely arranged, wherein a screen is arranged on the rack, a vibration mechanism is arranged on the rack, the vibration mechanism comprises a driving shaft and a driven shaft which are rotatably arranged on the rack and are in a parallel relation, the driving shaft and the driven shaft are transmitted through a chain, a motor is fixedly connected on the rack, and the motor is in transmission connection with the driving shaft; a mounting plate is arranged at a position, close to the driving shaft, on the frame, and a mist sprayer for dust fall is arranged on the mounting plate; vibration convex teeth are fixedly connected to the driving shaft and the driven shaft, and arc-shaped protrusions are arranged on the vibration convex teeth; compared with the existing screening mode, the novel screening device is high in overall mechanization degree, the efficiency is obviously improved, the labor cost is obviously reduced, and the novel screening device has a dustproof effect.

Description

Sand and stone vibration screening machine

Technical Field

The utility model relates to a sand and stone vibration screening machine, and belongs to the technical field of sand and stone screening.

Background

In the building construction process, sand and stones with different particle sizes are required to be used according to different building requirements, when the construction unit screens the sand and stones, an inclined screen is usually placed on the ground, the sand and stones are scooped up by a shovel and then directly poured on the screen, so that the sand and stones are simply screened, under the condition, the sand and stones are not screened thoroughly, the precision is low, the working efficiency is lower, the quality of building construction is difficult to be guaranteed, and raised dust cannot be treated, so that serious pollution is caused to the environment.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the sand vibration screening machine, which has the advantages of high integral mechanization degree, obviously improved efficiency, obviously reduced labor cost and dustproof effect.

In order to achieve the above object, the present utility model adopts the following technical scheme.

The sand and stone vibration screening machine comprises a rack which is obliquely arranged, wherein a screen is arranged on the rack, a vibration mechanism is arranged on the rack, the vibration mechanism comprises a driving shaft and a driven shaft which are rotatably arranged on the rack and are in a parallel relationship, the driving shaft and the driven shaft are transmitted through a chain, a motor is fixedly connected on the rack, and the motor is in transmission connection with the driving shaft; a mounting plate is arranged at a position, close to the driving shaft, on the frame, and is provided with a mist sprayer for dust fall; vibration convex teeth are fixedly connected on the driving shaft and the driven shaft, and arc-shaped protrusions are arranged on the vibration convex teeth.

Further: the protrusions of the vibrating convex teeth on the driving shaft and the driven shaft are arranged in opposite directions, and the protrusions can jack up the screen.

Further, the screen is connected with the frame through a plurality of springs.

Further, the mist sprayer comprises a shell fixedly connected to the mounting plate, the cross section of the shell is semicircular, a plurality of nozzles are arranged on the shell, and a water inlet pipe communicated with the nozzles is arranged inside the shell.

The spray nozzle comprises a large spray nozzle arranged on the side edge of the shell and a small spray nozzle arranged at the bottom of the shell, and the large spray nozzle and the small spray nozzle are communicated with the water inlet pipe.

Further, a collecting plate for collecting fine sand and stones is arranged at the bottom of the frame.

In summary, place sand and stone in the screen cloth position department (driving shaft top) near the front end, motor drive driving shaft and driven shaft rotate behind the start motor, drive shaft and driven shaft rotate and keep synchronous rotation under the effect of chain, because bellied opposite direction on driving shaft and the driven shaft, so when protruding screen cloth jack-up with the screen cloth on the driving shaft, protruding on the driven shaft does not play any effect to the screen cloth, when protruding screen cloth jack-up with the screen cloth on the driven shaft, the screen cloth is the in-process of lifting that both ends are mutual alternation realizes the vibration, and the sand and stone on the screen cloth also falls to the rear end along the screen cloth of slope under the effect of vibration, collect when rolling from the screen cloth can, this device has replaced the manual work to carry out sand and stone screening, except with efficiency promotion, still uninterruptedly carry out screening at the in-process that sand and stone moved backward, tiny sand and stone falls down, screening quality has been obviously improved.

The screen cloth has the effect of spring in the lift in-process, not only does not interfere its vibration work, can also prevent that the screen cloth from dropping from the frame.

Because the mist sprayer is arranged at the middle position above the driving shaft, the sand and stones to be screened are sprayed by the mist sprayer at first and then move backwards, so that dust on the sand and stones can be prevented from diffusing in the vibration process, the defect of serious dust on a working site is overcome, in addition, the large nozzles on two sides of the mist sprayer can spray water more widely, the water flow is larger, the sand and stones on two sides are guaranteed to be fully wetted, the sand and stones on the bottom are directly sprayed by the small nozzles, the spraying quality can be guaranteed by utilizing the small nozzles, the production cost of the equipment is reduced, and the use cost is lower for later maintenance.

Through the little gravel and sand that screen cloth screening was dropped after, fall to the back on the aggregate board of slope, constantly downward landing can collect at the end of aggregate board, more makes things convenient for the collection of gravel and sand, compares current screening mode, and this scheme whole degree of mechanization is high, and efficiency obviously improves, and the cost of labor also obviously reduces moreover.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a vibrating tooth structure;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a schematic structural view of the mist sprayer;

FIG. 5 is a schematic view of the internal structure of the mist sprayer;

FIG. 6 is a schematic view of a screen;

fig. 7 is an enlarged view at a in fig. 3.

Detailed Description

Examples: referring to the accompanying drawings 1-7, a sand and stone vibration screening machine comprises a rack 1 which is obliquely arranged, wherein a screen 2 is arranged on the rack 1, a vibration mechanism is arranged on the rack 1, the vibration mechanism comprises a driving shaft 3 and a driven shaft 4 which are rotatably arranged on the rack 1 and are in parallel relation, the driving shaft 3 and the driven shaft 4 are transmitted through a chain 5, a motor 6 is fixedly connected to the rack 1, and the motor 6 is in transmission connection with the driving shaft 3; a mounting plate 7 is arranged at a position, close to the driving shaft 3, on the frame 1, and the mounting plate 7 is provided with a mist sprayer 8 for dust fall; vibration convex teeth 9 are fixedly connected to the driving shaft 3 and the driven shaft 4, and arc-shaped protrusions 10 are arranged on the vibration convex teeth 9.

The protrusions 10 are fixedly connected to the driving shaft 3 and the driven shaft 4, and the connection mode of the protrusions may be welding or key connection, which is not particularly limited in this embodiment.

The protrusions 10 of the vibrating convex teeth 9 on the driving shaft 3 and the driven shaft 4 are arranged in opposite directions, and the protrusions 10 can jack up the screen 2.

The mist sprayer 8 comprises a shell 12 fixedly connected to the mounting plate 7, the cross section of the shell 12 is semicircular, a plurality of nozzles are arranged on the shell 12, and a water inlet pipe 13 communicated with the nozzles is arranged inside the shell 12.

The nozzle comprises a large nozzle 15 arranged on the side edge of the shell 12 and a small nozzle 14 arranged at the bottom of the shell 12, wherein the large nozzle 15 and the small nozzle 14 are communicated with the water inlet pipe 13.

In this embodiment, in order to more intuitively observe the internal structure of the device, the screen 2 is omitted in fig. 1 and 3, and the screen 2 is in the prior art, and the scheme is not improved, and in addition, it should be noted that the water inlet pipe 13 is communicated with an external water pump, and the water pump can convey high-pressure water flow to the nozzle, which is a common technical means in the art, so that redundant description is not needed.

In operation, sand and stone are placed on the screen 2 at a position close to the front end (above the driving shaft 3), the driving shaft 3 and the driven shaft 4 are driven by the motor 6 after the motor 6 is started, the driving shaft 3 and the driven shaft 4 rotate synchronously under the action of the chain 5, as the directions of the protrusions 10 on the driving shaft 3 and the driven shaft 4 are opposite, when the protrusions 10 on the driving shaft 3 jack up the screen 2, the protrusions 10 on the driven shaft 4 do not play any roles on the screen 2, when the protrusions 10 on the driven shaft 4 jack up the screen 2, the protrusions 10 on the driving shaft 3 do not play roles on the screen 2, so that the screen 2 is vibrated in the lifting process with two ends alternating with each other, and the sand and stone on the screen 2 rolls to the rear end along the inclined screen 2 under the action of vibration, and is collected when the screen 2 rolls down.

The screen 2 is connected to the frame 1 by a plurality of springs 11.

The screen 2 has the function of the spring 11 in the lifting process, so that the screen 2 can be prevented from falling from the frame 1 without interfering with vibration operation.

In this way, as the mist sprayer 8 is arranged at the middle position above the driving shaft 3, the sand and stones to be screened are firstly sprayed by the mist sprayer 8 and then move backwards, so that the dust on the sand and stones can be prevented from diffusing in the vibration process, the defect of serious dust on a working site is overcome, in addition, the large nozzles 15 on the two sides of the mist sprayer 8 can spray water more far, the water flow is larger, the sand and stones on the two sides are guaranteed to be fully wetted, the sand and stones on the bottom are directly sprayed by the small nozzles 14, the spraying quality can be guaranteed by the small nozzles 14, the production cost of the equipment is reduced, and the use cost of the equipment is lower for later maintenance.

The bottom of the frame 1 is provided with a collecting plate 16 for collecting fine sand and stones.

Through the little sand and stone that screen cloth 2 sieves after dropping, fall on the aggregate board 16 of slope, constantly downward landing can collect at the end of aggregate board 16, more makes things convenient for the collection of sand and stone, compares current screening mode, and this scheme whole degree of mechanization is high, and efficiency obviously improves, and the cost of labor also obviously reduces moreover.

In summary, the present utility model is not limited to the above embodiments. Those skilled in the art can make several changes and modifications without departing from the spirit and scope of the utility model, and all such changes and modifications shall fall within the scope of the utility model.

Claims (6)

1. The utility model provides a gravel and sand vibration screening machine, includes the frame that the slope set up, be equipped with the screen cloth in the frame, its characterized in that: the machine frame is provided with a vibration mechanism, the vibration mechanism comprises a driving shaft and a driven shaft which are rotatably arranged on the machine frame and are in parallel relation, the driving shaft and the driven shaft are transmitted through a chain, the machine frame is fixedly connected with a motor, and the motor is in transmission connection with the driving shaft;

a mounting plate is arranged at a position, close to the driving shaft, on the frame, and a mist sprayer for dust fall is arranged on the mounting plate;

vibration convex teeth are fixedly connected on the driving shaft and the driven shaft, and arc-shaped protrusions are arranged on the vibration convex teeth.

2. The vibratory screening machine for sand and stone materials of claim 1, wherein the protrusions of the vibratory teeth on the driving shaft and the driven shaft are arranged in opposite directions, and the protrusions can jack up the screen.

3. The vibratory screening machine for sand and stone of claim 1 wherein the screen is mounted to the frame by springs.

4. The vibratory sand screening machine according to claim 1, wherein the mist sprayer comprises a housing fixedly connected to the mounting plate, the cross section of the housing is semicircular, a plurality of nozzles are arranged on the housing, and a water inlet pipe communicated with the nozzles is arranged inside the housing.

5. The vibratory screening machine for sand and gravel of claim 4 wherein said nozzles include a large nozzle mounted on a side of the housing and a small nozzle mounted on a bottom of the housing, said large nozzle and small nozzle being in communication with the inlet conduit.

6. The vibratory screening machine for sand and stone of claim 1, wherein the bottom of the frame is provided with a collection plate for collecting fine sand and stone.