CN214107773U

CN214107773U - Sand screening device

Info

Publication number: CN214107773U
Application number: CN202022742104.3U
Authority: CN
Inventors: 黄凤明
Original assignee: Tianjin Lilin Construction Engineering Co ltd
Current assignee: Tianjin Lilin Construction Engineering Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-03
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a sand screening plant, which relates to the field of construction auxiliary equipment, and comprises an upward inclined sand feeding mechanism and a screening mechanism in sequence according to the conveying direction of sand, wherein the sand feeding mechanism is used for conveying the sand to the inlet of the screening mechanism from a low position, and workers do not need to raise the sand, thereby not only reducing the labor intensity of the workers, but also improving the screening efficiency of the sand; meanwhile, the second motor of the screening mechanism drives the screening drum of the horn-shaped structure to rotate, sand can stably pass through the screening drum, large-particle stones can roll along the inner wall of the screening drum and drop from an outlet of the screening drum, accordingly, the screening process of the sand is efficiently completed, and the screening efficiency of the sand is greatly improved.

Description

Sand screening device

Technical Field

The utility model relates to a construction auxiliary assembly field especially relates to a grit screening plant.

Background

Most of the sands are manufactured artificially or are ground from specific stones, and a small part of the sands are formed by weathering, crushing and separating large rocks in the nature; the sand particles have larger diameters, are mixed with the stones, are filled into gaps among the stones, and are used as a framework together with the stones, so that the concrete can be more compact and stronger; or the concrete can be combined with cement molecules inside to form cement paste, so that the hydration effect of the cement is enhanced.

However, before concrete mixing, large-particle stones or mud blocks are mixed in the sand, so the sand needs to be screened before being used, the existing sand screening mainly depends on a screen which is placed obliquely, workers raise the sand by using tools such as shovels and sprinkle the sand on the screen, the sand passes through the screen, the large-particle stones or mud blocks cannot pass through the screen, and then the sand screening is realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough that exists among the prior art, provide a grit screening plant, this grit screening plant can accomplish the screening process of grit, the screening efficiency of very big improvement grit by high efficiency.

The utility model discloses a realize through following technical scheme: the utility model provides a grit screening plant, according to the direction of transfer of grit, include ascending husky mechanism of going up of slope and screening mechanism in proper order, it includes the fore-stock to go up husky mechanism, first motor, drum assembly and conveyer belt, drum assembly rotates with the fore-stock to be connected, first motor drive drum assembly rotates, the conveyer belt cover is established on drum assembly, screening mechanism includes the after-poppet, netted sieve section of thick bamboo and second motor, the sieve section of thick bamboo rotates with the after-poppet to be connected, the sieve section of thick bamboo is big-end-back horn shape structure in the front, the tail end of going up husky mechanism inserts the front end of sieve section of thick bamboo, the middle part cover of sieve section of thick bamboo is equipped with circular clamp, the belt drive sieve section of thick bamboo rotation on circular clamp is established through the cover to the second motor.

According to the technical scheme, preferably, the inner side of the rear support is provided with a plurality of groups of limiting wheels, the front end and the rear end of the screen drum are sleeved with circular clamping rings matched with the limiting wheels, and the circular clamping rings are coincided with the central axis of the screen drum.

According to the above technical scheme, preferably, the rear bracket all includes support body main part and multiunit regulation stand, adjusts the stand and includes hollow dead lever and slide bar, dead lever and support body main part fixed connection, in the slide bar inserted the dead lever, seted up multiunit equidistant pinhole on the slide bar, be equipped with the bolt with pinhole looks adaptation on the dead lever.

According to the technical scheme, preferably, the rear support is connected with the front support in a clamping mode, the front end of the front support is provided with the positioning rod, and the front side of the rear support is provided with the clamping groove matched with the positioning rod.

According to the technical scheme, preferably, multiple groups of material blocking plates are arranged on the conveyor belt at equal intervals.

The utility model has the advantages that: the sand feeding mechanism of the utility model is used for conveying sand to the inlet of the screening mechanism from the lower part, so that workers do not need to raise sand, the labor intensity of the workers is reduced, and the screening efficiency of the sand can be improved; meanwhile, the second motor of the screening mechanism drives the screening drum of the horn-shaped structure to rotate, sand can stably pass through the screening drum, large-particle stones can roll along the inner wall of the screening drum and drop from an outlet of the screening drum, accordingly, the screening process of the sand is efficiently completed, and the screening efficiency of the sand is greatly improved.

Drawings

Fig. 1 shows a schematic front view structure according to an embodiment of the present invention.

Fig. 2 shows a schematic side view of a screening mechanism according to an embodiment of the present invention.

In the figure: 1. a sanding mechanism; 2. a screening mechanism; 3. a front bracket; 4. a first motor; 5. a roller assembly; 6. a conveyor belt; 7. a rear bracket; 8. a screen cylinder; 9. a second motor; 10. a limiting wheel; 11. a circular snap ring; 12. a circular hoop; 13. a belt; 14. adjusting the upright post; 15. fixing the rod; 16. a slide bar; 17. a bolt; 18. positioning a rod; 19. a card slot; 20. a striker plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

As shown in the figures, the utility model provides a sand screening device, according to the direction of delivery of the sand, include slope ascending sand mechanism 1 and screening mechanism 2 in proper order, wherein sand mechanism 1 includes front truck 3, first motor 4, drum assembly 5 and conveyer belt 6, drum assembly 5 is connected with front truck 3 rotation, first motor 4 drives drum assembly 5 rotation, conveyer belt 6 cover is established on drum assembly 5, and screening mechanism 2 includes rear truck 7, netted sieve tube 8 and second motor 9, sieve tube 8 is connected with rear truck 7 rotation, the inboard of rear truck 7 is equipped with multiunit spacing wheel 10, the front and back pot head of sieve tube 8 is equipped with circular snap ring 11 with spacing wheel 10 adaptation, circular snap ring 11 coincides with the central axis of sieve tube 8, sieve tube 8 is big-end-back horn structure simultaneously, the tail end of sand mechanism 1 inserts the front end of sieve tube 8, the middle part of the screen drum 8 is sleeved with a circular hoop 12, and the second motor 9 drives the screen drum 8 to rotate through a belt 13 sleeved on the circular hoop 12.

The working process is as follows:

the worker erects the sand screening device at the front side of the sand to be treated and starts the sand feeding mechanism 1 and the screening mechanism 2; a worker can place sand at the front end of the sand loading mechanism 1 by using a shovel and the like, and the first motor 4 drives the roller assembly 5 to rotate, so that the conveyor belt 6 stably conveys the sand upwards until the sand is conveyed into the inlet of the screening mechanism 2; the second motor 9 drives the screen drum 8 to rotate stably, and because the screen drum 8 is a horn-shaped structure which is net-shaped and has a small front and a large back, sand can smoothly pass through the screen drum 8, and large-particle stones can roll along the inner wall of the screen drum 8 to the rear side and fall off from the outlet of the screen drum 8.

According to the above-mentioned embodiment, preferably, rear bracket 7 all includes support body main part and multiunit regulation stand 14, it includes hollow dead lever 15 and slide bar 16 to adjust stand 14, dead lever 15 and support body main part fixed connection, slide bar 16 inserts in the dead lever 15, offer the pinhole of multiunit equidistant on the slide bar 16, be equipped with the bolt 17 with pinhole looks adaptation on the dead lever 15, and then the staff of being convenient for adjusts the height of a sieve section of thick bamboo 8, make the central axis of a sieve section of thick bamboo 8 be in the horizontal line as far as possible, thereby make the export roll-off of a sieve section of thick bamboo 8 can be followed smoothly to the stone of big granule.

Further, rear bracket 7 is connected with 3 joint of fore-stock, and the front end of fore-stock 3 is equipped with locating lever 18, and the front side of rear bracket 7 is equipped with the draw-in groove 19 with locating lever 18 looks adaptation to be convenient for the staff overlap joint go up husky mechanism 1 and screening mechanism 2.

Further, the conveyer belt 6 is equidistant to be equipped with multiunit striker plate 20, prevents effectively that the grit from the conveyer belt 6 from sliding downwards, guarantees the even running of mechanism 1 of going up husky.

The utility model has the advantages that: the sand feeding mechanism 1 of the utility model is used for conveying sand to the inlet of the screening mechanism 2 from the lower part, and workers do not need to raise sand, thus not only reducing the labor intensity of the workers, but also improving the screening efficiency of the sand; the sieve section of thick bamboo 8 of the horn shape structure of second motor 9 drive of screening mechanism 2 simultaneously rotates, and a sieve section of thick bamboo 8 can be steadily passed to grit, and the stone of large granule will roll along the inner wall of a sieve section of thick bamboo 8 to drop from the exit of a sieve section of thick bamboo 8, thereby the screening process of grit is accomplished to the high efficiency, the screening efficiency of very big improvement grit.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a grit screening plant, its characterized in that, according to the direction of transfer of grit, includes ascending husky mechanism and screening mechanism of slope in proper order, it includes fore-stock, first motor, drum subassembly and conveyer belt to go up husky mechanism, drum subassembly with the fore-stock rotates to be connected, first motor drive drum subassembly rotates, the conveyer belt cover is established drum subassembly is last, screening mechanism includes after-poppet, netted sieve section of thick bamboo and second motor, the sieve section of thick bamboo with the after-poppet rotates to be connected, the sieve section of thick bamboo is big horn structure in little back in the front, the tail end of going up husky mechanism inserts the front end of sieve section of thick bamboo, the middle part cover of sieve section of thick bamboo is equipped with circular clamp, the second motor is through the cover establish belt drive on the circular clamp the sieve section of thick bamboo rotates.

2. The sand screening device as claimed in claim 1, wherein a plurality of sets of limiting wheels are arranged on the inner side of the rear bracket, and circular clamping rings matched with the limiting wheels are sleeved on the front end and the rear end of the screen drum and coincide with the central axis of the screen drum.

3. The sand screening device as claimed in claim 2, wherein each rear bracket comprises a frame body and a plurality of groups of adjusting columns, each adjusting column comprises a hollow fixing rod and a sliding rod, the fixing rod is fixedly connected with the frame body, the sliding rod is inserted into the fixing rod, a plurality of groups of pin holes with equal intervals are formed in the sliding rod, and a bolt matched with the pin holes is formed in the fixing rod.

4. The sand screening device of claim 3, wherein the rear bracket is connected with the front bracket in a clamping mode, a positioning rod is arranged at the front end of the front bracket, and a clamping groove matched with the positioning rod is formed in the front side of the rear bracket.

5. A sand screening device as claimed in claim 4, wherein said conveyor belt is provided with a plurality of sets of striker plates at equidistant intervals.