CN212664154U

CN212664154U - Screening plant is used in production of mechanism sand

Info

Publication number: CN212664154U
Application number: CN202021361098.0U
Authority: CN
Inventors: 黄伟强; 黄志杰; 蒋永兵
Original assignee: Zhaoqing Huanan Environmental Protection Building Materials Co ltd
Current assignee: Zhaoqing Huanan Environmental Protection Building Materials Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-09
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a screening plant for machine-made sand production, which relates to the technical field of concrete production equipment and comprises a screening box, wherein one end of the bottom of a second aggregate baffle cover is rotatably connected with a rotating bottom cover, a second filter screen is embedded at the bottom of the rotating bottom cover, one side outside the screening box is fixedly connected with a side seat, a coarse material discharge channel which is obliquely arranged is arranged in the side seat, a blanking cavity is arranged below the coarse material discharge channel, a first filter screen is fixedly arranged at the bottom of the coarse material discharge channel, the first filter screen is obliquely arranged, one end of the first filter screen extends into the screening box, one end of the bottom of the rotating bottom cover is fixedly connected with a bottom block, a reset spring is fixedly connected between the bottom block and the first filter screen, the utility model discloses a rotating bottom cover which can automatically rotate and reset along with the weight of a bearing object is arranged, and the side seat and the first filter screen are matched to realize the filtration of large-grained sandstone and the automatic movable discharge, thereby making the operation more simple and convenient.

Description

Screening plant is used in production of mechanism sand

Technical Field

The utility model relates to a concrete production equipment technical field specifically is a screening plant is used in machine-made sand production.

Background

Along with the rapid development of society, the demand of concrete is more and more big, and grit is as the main raw material of concrete, and its quantity also increases constantly, and the grit that commonly uses in the building engineering at present is natural grit, but natural grit is a non-renewable resource, along with the increase of construction demand, natural grit resource supply is nervous, and excessive exploitation still can seriously destroy ecological environment. The machine-made sand effectively solves the problem, utilizes rock, mine tailings or industrial waste residue particles which are prepared by mechanical crushing and screening to replace natural sand as aggregate, not only can solve the problem of insufficient supply of the natural sand, but also improves the utilization of solid waste resources, has obvious environmental protection and resource saving and social and economic comprehensive benefits, and is widely applied. The machine-made sand is sand processed by the sand making machine and other accessory equipment, the finished product is more regular, and the sand can be processed into sand with different rules and sizes according to different process requirements, so that the daily requirement can be better met. The machine-made sand can be used for preparing qualified and applicable sand and stone only by professional equipment.

Because the prior sand making machine is used for making sand from raw materials, the raw materials contain gravels which can be directly used as finished sand, if the gravels are not screened, the raw materials are directly thrown into the sand making machine for making sand, the finished sand can be secondarily made, so that the content of stone powder contained in the machine-made sand is higher, the trouble is brought to the follow-up sand washing operation of a sand washing machine, the energy loss of the sand making machine is increased, and the sand making efficiency of the sand making machine is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening plant is used in machine-made sand production has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a screening plant is used in machine-made sand production, is including screening case, the top fixed connection feeder hopper of screening case, the first fender cover that gathers materials of upper portion fixed connection in the screening case, the bottom fixed connection second that the first fender cover that gathers materials keeps off the cover, and the bottom one end that the second kept off the cover that gathers materials is rotated and is connected and rotate end cover, rotates the bottom of end cover and inlays and is equipped with the second filter screen, one side fixed connection side seat outside the screening case has seted up the coarse fodder escape way that the slope set up in the side seat, and the below of coarse fodder escape way is equipped with the blanking chamber, and the fixed first filter screen that is equipped with in bottom of coarse fodder escape way, first filter screen slope set up, and the one end of first filter screen extends to the screening incasement, the bottom one end fixed connection bottom block of rotating end cover, fixed connection reset spring between bottom block and the first filter screen, the bottom in the screening case is equipped with the.

As an optimal technical scheme of the utility model, the screening incasement is located the one deck fixed connection baffle in blanking chamber.

As an optimized technical scheme of the utility model, the second gathers materials and keeps off the bottom fixed connection vibrating motor of cover.

As a preferred technical scheme of the utility model, the top fixedly connected with second magnet seat of rotating end cover free end, the bottom mounting that the second gathered materials and kept off the cover inlays and is equipped with the first magnet seat corresponding with the second magnet seat.

As an optimized technical scheme of the utility model, the free end of rotating the end cover is equipped with the discharge port, and the bottom fixedly connected with that the second gathers materials and keeps off the cover blocks the board corresponding with the discharge port.

As a preferred technical scheme of the utility model, be located the equal fixed connection baffle in top both sides of the inside first filter screen of screening case.

The utility model discloses have following useful part: the utility model discloses a set up the rotation under shield that can follow the weight of bearing the heavy object and automatic rotation and reset, the filtration that deuterogamies side seat and first filter screen can realize the grit and the automation of large granule grit move the emission to make the operation simple and convenient more.

Drawings

FIG. 1 is a schematic structural diagram of a screening device for machine-made sand production.

Fig. 2 is a schematic structural diagram of what is in the screening device for machine-made sand production.

Fig. 3 is a schematic structural diagram of what is in the screening device for machine-made sand production.

In the figure: 1. screening the box; 2. a feed hopper; 3. a first aggregate shield; 4. a second aggregate shield; 5. a vibration motor; 6. rotating the bottom cover; 7. a bottom block; 8. a side seat; 9. a coarse material discharge passage; 10. a return spring; 11. a first filter screen; 12. a baffle plate; 13. a guide plate; 14. a conveyor belt; 15. a first magnet base; 16. a second filter screen; 17. an outlet port; 18. a second magnet base.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a screening device for machine-made sand production comprises a screening box 1, a feed hopper 2 fixedly connected to the top end of the screening box 1, a first aggregate blocking cover 3 fixedly connected to the upper portion of the inside of the screening box 1, a second aggregate blocking cover 4 fixedly connected to the bottom end of the first aggregate blocking cover 3, a rotating bottom cover 6 rotatably connected to one end of the bottom of the second aggregate blocking cover 4, a second filter screen 16 embedded in the bottom of the rotating bottom cover 6, a side seat 8 fixedly connected to one side of the outside of the screening box 1, a coarse material discharge channel 9 obliquely arranged inside the side seat 8, a blanking chamber arranged below the coarse material discharge channel 9, a first filter screen 11 fixedly arranged at the bottom of the coarse material discharge channel 9, a first filter screen 11 obliquely arranged, one end of the first filter screen 11 extending into the screening box 1, a bottom block 7 fixedly connected to one end of the bottom of the rotating bottom cover 6, and a return spring 10 fixedly connected between the bottom block 7 and the first filter screen 11, the bottom in the screening box 1 is provided with a conveyor belt 14.

And a layer of fixed connecting guide plate 13 positioned in the blanking cavity in the screening box 1.

And the bottom end of the second material collecting shield 4 is fixedly connected with a vibration motor 5.

The top of the free end of the rotating bottom cover 6 is fixedly connected with a second magnet seat 18, and the bottom end of the second aggregate blocking cover 4 is fixedly embedded with a first magnet seat 15 corresponding to the second magnet seat 18.

The free end of the rotary bottom cover 6 is provided with a discharge port 17, and the bottom end of the second aggregate blocking cover 4 is fixedly connected with a blocking plate corresponding to the discharge port 17.

Example 2

Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: both sides of the top of the first filter screen 11 positioned in the screening box 1 are fixedly connected with a baffle 12.

The utility model discloses in the implementation process, pour the grit raw materials into screening case 1 from feeder hopper 2 in and be located first filter screen 11, start vibrating motor 5 and can make first filter screen 11 vibrate and realize the screening, when first filter screen 11 sieves for a long time and lead to the large granule grit too much, first magnet seat 15 separates with second magnet seat 18 under the action of gravity, rotate end shield 6 and rotate and carry out secondary filter in discharging most coarse grit and a small amount of fine grit to coarse fodder discharge channel 9, fine grit gets back to in screening case 1 again, the back that finishes of discharging, rotate end shield 6 under reset spring 10's effect and reset.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A screening device for machine-made sand production comprises a screening box (1), wherein the top end of the screening box (1) is fixedly connected with a feed hopper (2), and is characterized in that the upper part in the screening box (1) is fixedly connected with a first aggregate blocking cover (3), the bottom end of the first aggregate blocking cover (3) is fixedly connected with a second aggregate blocking cover (4), one end of the bottom of the second aggregate blocking cover (4) is rotatably connected with a rotating bottom cover (6), a second filter screen (16) is embedded at the bottom of the rotating bottom cover (6), one side outside the screening box (1) is fixedly connected with a side seat (8), a coarse material discharge channel (9) which is obliquely arranged is arranged in the side seat (8), a blanking cavity is arranged below the coarse material discharge channel (9), a first filter screen (11) is fixedly arranged at the bottom of the coarse material discharge channel (9), the first filter screen (11) is obliquely arranged, one end of the first filter screen (11) extends into the screening box (1), the bottom end of the rotary bottom cover (6) is fixedly connected with a bottom block (7), a return spring (10) is fixedly connected between the bottom block (7) and a first filter screen (11), and a conveying belt (14) is arranged at the bottom in the screening box (1).

2. A screening device for machine-made sand production according to claim 1, characterised in that a layer of fixed connecting guide plates (13) is located in the blanking chamber inside the screening box (1).

3. The screening device for machine-made sand production according to claim 1, wherein the bottom end of the second aggregate blocking cover (4) is fixedly connected with a vibration motor (5).

4. A screening device for machine-made sand production as claimed in claim 1, wherein a second magnet seat (18) is fixedly connected to the top of the free end of the rotating bottom cover (6), and a first magnet seat (15) corresponding to the second magnet seat (18) is fixedly embedded in the bottom end of the second aggregate blocking cover (4).

5. A screening device for machine-made sand production according to claim 4, wherein the free end of the rotary bottom cover (6) is provided with a discharge port (17), and the bottom end of the second aggregate blocking cover (4) is fixedly connected with a baffle plate corresponding to the discharge port (17).

6. The screening device for machine-made sand production according to claim 1, wherein baffles (12) are fixedly connected to both sides of the top of the first filter screen (11) inside the screening box (1).