CN215466005U

CN215466005U - Stone screening plant for concrete production

Info

Publication number: CN215466005U
Application number: CN202122136573.5U
Authority: CN
Inventors: 刘屹涵
Original assignee: Zibo Yeteng Concrete Co ltd
Current assignee: Zibo Yeteng Concrete Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-11
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a stone screening device for concrete production, which comprises a box body, wherein the bottom of the box body is fixedly connected with supporting legs, the top of the box body is fixedly connected with a feed hopper, the side wall of the box body is fixedly provided with a motor, an output shaft of the motor extends to the inside of the box body and is fixedly connected with a screening mechanism, the outer wall of the box body is fixedly connected with a supporting plate, the top of the supporting plate is provided with a dust falling mechanism, the inside of the box body is fixedly connected with a guide hopper, and the bottom of the box body is provided with a discharge hole. Drive the dwang through the motor and rotate, incomplete gear rotates thereupon, and incomplete gear is at the rack toothing who rotates the in-process indirectness and solid fixed ring above and below, and cooperation extension spring's effort realizes that fixed frame slides repeatedly in the spout, and the removal repeatedly of screen cloth has improved the efficiency of screening greatly, carries out the dust fall by the dust that dust fall mechanism can produce at the screening in-process and handles.

Description

Stone screening plant for concrete production

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a stone screening device for concrete production.

Background

Along with the development of economy, urban buildings are developed more and more quickly, and the urbanization construction needs to use a large amount of concrete, which is concrete for short: the concrete is a cement concrete which is prepared by mixing cement as a cementing material, sand and stone as aggregates and water (which can contain an additive and an admixture) according to a certain proportion and stirring, and is also called as a common concrete.

The existing stone screening device is complex in structure, inconvenient to operate and low in screening efficiency, and a large amount of dust is generated in the stone screening process, so that the processing environment is easily polluted, and the health of workers is harmed.

Therefore, it is necessary to provide a stone screening device for concrete production to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stone screening device for concrete production, which aims to solve the existing problems in the background technology.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a stone screening plant for concrete production, includes the box, the bottom fixedly connected with supporting legs of box, the top fixedly connected with feeder hopper of box, the lateral wall fixed mounting of box has the motor, the output shaft of motor extends to the inside and the fixedly connected with screening mechanism of box, the outer wall fixedly connected with backup pad of box, the top of backup pad is provided with dust fall mechanism, the inside fixedly connected with guide of box is fought, the discharge gate has been seted up to the bottom of box.

Further, screening mechanism includes the fixed block, the lateral wall of fixed block and the inner wall fixed connection of box, the spout has been seted up to the one end that the box was kept away from to the fixed block, the inner wall sliding connection of spout has fixed frame, the inner wall fixedly connected with screen cloth of fixed frame, the outer wall fixedly connected with extension spring of fixed frame, extension spring keeps away from the one end of fixed frame through the connecting block and the box fixed connection that set up, the solid fixed ring of bottom fixedly connected with of fixed frame, two racks of solid fixed ring's inner wall fixedly connected with, the outer wall meshing of rack has incomplete gear, the inner wall fixedly connected with dwang of incomplete gear, the one end of dwang is connected with the box rotation through the bearing frame that sets up, the other end of dwang and the output shaft fixed connection of motor.

Further, dust fall mechanism includes the water tank, the top of water tank is provided with the water filling port, the top of backup pad is provided with the water pump, the input of water pump is through the water pipe and the water tank fixed connection that set up, the output fixedly connected with pipe of water pump, the one end that the water pump was kept away from to the pipe extends to the inside of box and through being provided with linker fixedly connected with U-shaped pipe, the U-shaped pipe is through fixed buckle and the box fixed connection that sets up, the both ends fixedly connected with end cap of U-shaped pipe, the bottom fixed mounting of U-shaped pipe has the water smoke shower nozzle.

Furthermore, the screening mouth has been seted up to the lateral wall of box, the bottom and the fixed frame laminating of screening mouth.

Further, two racks are symmetrically distributed on the fixing ring.

Further, the fixing blocks are arranged in an inclined mode from inside to outside from high to low.

The utility model has the following beneficial effects:

1. the rotating rod is driven by the motor to rotate, the incomplete gear rotates along with the rotating rod, the incomplete gear drives the meshed racks in the rotating process to further drive the fixing ring to move, the fixing frame moves along with the fixing ring, the incomplete gear is indirectly meshed with the racks on the upper surface and the lower surface of the fixing ring in the rotating process and is matched with the acting force of the extension spring, the fixing frame slides repeatedly in the sliding chute, the screening efficiency is greatly improved along with the repeated movement of the screen cloth in the screening process of stone raw materials, the stone raw materials are prevented from being accumulated on the screen cloth to influence the screening, qualified products fall below the screen cloth to be discharged, unqualified products are finally discharged from the screening opening along with the movement of the screen cloth, and the quality of screened products is guaranteed.

2. The dust falling mechanism is used for performing dust falling treatment on dust generated in the screening process, namely, water in the water tank is pumped to the U-shaped pipe through the water pipe and the guide pipe by the water pump, water mist is sprayed by the water mist spray head, dust in air in the box body is adsorbed by the water mist, the dust content in the air in the box body is reduced, the dust falling purpose is achieved, the dust is prevented from polluting the processing environment and harming the health of workers, and the screened stones are discharged from the discharge hole through the material guide hopper.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a perspective view of the present invention in a rear view;

FIG. 3 is a schematic view of the cross-sectional structure of the present invention in a front view;

FIG. 4 is a schematic diagram of a right-side cross-sectional view of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure of the present invention viewed from the bottom.

Reference numerals: 1. a box body; 2. supporting legs; 3. a motor; 4. a feed hopper; 5. a screening port; 6. a screening mechanism; 601. a fixed block; 602. a fixing frame; 603. screening a screen; 604. a chute; 605. connecting blocks; 606. an extension spring; 607. a rack; 608. an incomplete gear; 609. a fixing ring; 610. rotating the rod; 611. a bearing seat; 7. a support plate; 8. a dust falling mechanism; 801. a water pump; 802. a conduit; 803. a water tank; 804. a water injection port; 805. a U-shaped tube; 806. a communicating vessel; 807. buckling; 808. a water mist spray head; 809. a plug; 9. a material guide hopper; 10. and (4) a discharge port.

Detailed Description

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

Example 1:

as shown in fig. 1-5, a stone screening plant for concrete production, including box 1, the bottom fixedly connected with supporting legs 2 of box 1, the top fixedly connected with feeder hopper 4 of box 1, the lateral wall fixed mounting of box 1 has motor 3, the output shaft of motor 3 extends to the inside of box 1 and fixedly connected with screening mechanism 6, the outer wall fixedly connected with backup pad 7 of box 1, the top of backup pad 7 is provided with dust fall mechanism 8, the inside fixedly connected with guide fill 9 of box 1, discharge gate 10 has been seted up to the bottom of box 1.

Specifically, dust fall mechanism 8 includes water tank 803, the top of water tank 803 is provided with water filling port 804, the top of backup pad 7 is provided with water pump 801, water pipe and water tank 803 fixed connection that the input of water pump 801 passes through the setting, the output fixedly connected with pipe 802 of water pump 801, the one end that water pump 801 was kept away from to pipe 802 extends to the inside of box 1 and through being provided with linker 806 fixedly connected with U-shaped pipe 805, U-shaped pipe 805 is through the fixed buckle 807 and box 1 fixed connection that set up, the both ends fixedly connected with end cap 809 of U-shaped pipe 805, the bottom fixed mounting of U-shaped pipe 805 has water smoke shower nozzle 808.

In this embodiment, the stone raw material is put in through the feed hopper 4 and sieved by the sieving mechanism 6, dust is generated in the sieving process, and the dust is settled by the dust settling mechanism 8, that is, the water pump 801 pumps the water in the water tank 803 to the U-shaped pipe 805 through the water pipe and the pipe 802, and the water mist is sprayed by the water mist spray head 808 after the water mist is discharged, so that the dust in the air inside the box body 1 is adsorbed by the water mist, the dust content in the air inside the box body 1 is reduced, and the dust settling purpose is achieved, thereby avoiding the dust from polluting the processing environment and harming the health of workers, and the sieved stone is discharged from the discharge port 10 through the guide hopper 9.

Example 2:

this example is modified on the basis of example 1: as shown in fig. 1 to 4, the screening mechanism 6 includes a fixed block 601, a side wall of the fixed block 601 is fixedly connected to an inner wall of the box 1, one end of the fixed block 601, which is far away from the box 1, is provided with a sliding groove 604, an inner wall of the sliding groove 604 is slidably connected to a fixed frame 602, an inner wall of the fixed frame 602 is fixedly connected to a screen 603, an outer wall of the fixed frame 602 is fixedly connected to an extension spring 606, one end of the extension spring 606, which is far away from the fixed frame 602, is fixedly connected to the box 1 through a connecting block 605, a bottom of the fixed frame 602 is fixedly connected to a fixing ring 609, two racks 607 are fixedly connected to an inner wall of the fixing ring 609, an outer wall of the racks 607 is engaged with an incomplete gear 608, an inner wall of the incomplete gear 608 is fixedly connected to a rotating rod 610, one end of the rotating rod 610 is rotatably connected to the box 1 through a bearing seat 611, and the other end of the rotating rod 610 is fixedly connected to an output shaft of the motor 3.

Specifically, the side wall of the box body 1 is provided with a screening opening 5, and the bottom of the screening opening 5 is attached to the fixing frame 602.

In particular, two racks 607 are symmetrically distributed on the fixing ring 609.

Specifically, the fixing block 601 is disposed in an inclined manner from inside to outside.

In this embodiment, the rotating rod 610 is driven to rotate by the motor 3, the incomplete gear 608 rotates along with the rotating rod, the incomplete gear 608 drives the meshed rack 607 in the rotating process, and further drives the fixing ring 609 to move, the fixing frame 602 moves along with the fixing ring, because the incomplete gear 608 is indirectly meshed with the racks 607 above and below the fixing ring 609 in the rotating process, and the action force of the extension spring 606 is matched, so that the fixing frame 602 slides repeatedly in the chute 604, the screening efficiency of the stone raw materials is greatly improved along with the repeated movement of the screen 603 in the screening process, the stone raw materials are prevented from being accumulated on the screen 603 to influence the screening, the qualified products fall into the lower part of the screen 603 to be discharged, the unqualified products are finally discharged from the screening port 5 along with the movement of the screen 603, and the quality of the screened products is guaranteed.

Claims

1. The utility model provides a stone screening plant for concrete production, includes box (1), its characterized in that, bottom fixedly connected with supporting legs (2) of box (1), top fixedly connected with feeder hopper (4) of box (1), the lateral wall fixed mounting of box (1) has motor (3), the output shaft of motor (3) extends to the inside and the fixedly connected with screening mechanism (6) of box (1), the outer wall fixedly connected with backup pad (7) of box (1), the top of backup pad (7) is provided with dust fall mechanism (8), the inside fixedly connected with guide fill (9) of box (1), discharge gate (10) have been seted up to the bottom of box (1).

2. The stone screening device for concrete production according to claim 1, wherein the screening mechanism (6) comprises a fixed block (601), the side wall of the fixed block (601) is fixedly connected with the inner wall of the box body (1), one end of the fixed block (601) far away from the box body (1) is provided with a sliding groove (604), the inner wall of the sliding groove (604) is connected with a fixed frame (602) in a sliding manner, the inner wall of the fixed frame (602) is fixedly connected with a screen (603), the outer wall of the fixed frame (602) is fixedly connected with a tension spring (606), one end of the tension spring (606) far away from the fixed frame (602) is fixedly connected with the box body (1) through a connecting block (605), the bottom of the fixed frame (602) is fixedly connected with a fixed ring (609), and the inner wall of the fixed ring (609) is fixedly connected with two racks (607), the outer wall meshing of rack (607) has incomplete gear (608), the inner wall fixedly connected with dwang (610) of incomplete gear (608), the one end of dwang (610) is through bearing frame (611) and the box (1) rotation connection that sets up, the other end of dwang (610) and the output shaft fixed connection of motor (3).

3. A concrete production stone screening apparatus as claimed in claim 1, the dust settling mechanism (8) comprises a water tank (803), the top of the water tank (803) is provided with a water injection port (804), the top of the supporting plate (7) is provided with a water pump (801), the input end of the water pump (801) is fixedly connected with a water tank (803) through a water pipe, the output end of the water pump (801) is fixedly connected with a guide pipe (802), one end of the guide pipe (802) far away from the water pump (801) extends into the box body (1) and is fixedly connected with a U-shaped pipe (805) through a communicating vessel (806), the U-shaped pipe (805) is fixedly connected with the box body (1) through a fixed buckle (807), two ends of the U-shaped pipe (805) are fixedly connected with plugs (809), and the bottom of the U-shaped pipe (805) is fixedly provided with a water mist spray head (808).

4. The stone screening device for concrete production according to claim 2, wherein the side wall of the box body (1) is provided with a screening opening (5), and the bottom of the screening opening (5) is attached to the fixing frame (602).

5. A concrete production gravel screen as claimed in claim 2, wherein two of the racks (607) are symmetrically distributed on the fixing ring (609).

6. A concrete production gravel screening apparatus as claimed in claim 2, wherein the fixing block (601) is inclined from inside to outside from high to low.