CN216026211U

CN216026211U - Sand grain screening device

Info

Publication number: CN216026211U
Application number: CN202122744496.1U
Authority: CN
Inventors: 林生; 李土荣
Original assignee: Shenzhen Shenzhen Ganghe Construction Co ltd
Current assignee: Shenzhen Shenzhen Ganghe Construction Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-15
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a sand grain screening device, which belongs to the technical field of engineering equipment and comprises a screening box, wherein a first filter plate is arranged in an inner cavity of the screening box, the first filter plate is connected with the inner side wall of the screening box in a sliding manner, a support plate is fixedly connected to the inner side wall of the screening box, an electric push rod is fixedly connected to the support plate, a spring is fixedly connected to the output end of the electric push rod, the top end of the spring is fixedly connected with the first filter plate, the bottom of the screening box is communicated with a material collecting hopper, the side wall of the screening box is fixedly connected with a crushing box, the top wall of the inner cavity of the crushing box is rotatably connected with a rotating shaft, the bottom end of the rotating shaft is fixedly connected with a rotating rod, the top of the screening box is fixedly connected with a motor, the top end of the rotating shaft penetrates through the top wall of the screening box and is fixedly connected with the output end of the motor, a second filter plate is arranged in the inner cavity of the crushing box, and the rotating shaft and the rotating rod are driven by the motor to rotate, the fine sand caking can be crushed and then collected and utilized, and the waste is reduced.

Description

Sand grain screening device

Technical Field

The utility model belongs to the technical field of engineering equipment, and particularly relates to a sand screening device.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. In the construction process, sand grains are used as common building materials, the materials need to be screened before use, fine sand is screened out, the fine sand is a common building raw material in the construction, the fine sand is mixed with cement and other materials to prepare required concrete, a large amount of fine sand is often required in a building project, and therefore the sand screening work is also one of important works of the construction.

The existing sand screening device can not crush the fine sand agglomerates, and the fine sand agglomerates and the sand stones are screened out together, so that waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sand grain screening device in order to conveniently crush fine sand agglomerates.

In order to achieve the purpose, the utility model adopts the following technical scheme: a sand screening device comprises a screening box, a first filter plate is arranged in the inner cavity of the screening box, the first filter plate is connected with the inner side wall of the screening box in a sliding way, the inner side wall of the screening box is fixedly connected with a support plate, the supporting plate is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a spring, the top end of the spring is fixedly connected with the first filter plate, the bottom of the filter box is communicated with a material collecting hopper, the side wall of the screening box is fixedly connected with a crushing box, the top wall of the inner cavity of the crushing box is rotatably connected with a rotating shaft, the bottom end of the rotating shaft is fixedly connected with a rotating rod, the top of the screening box is fixedly connected with a motor, the top end of the rotating shaft penetrates through the top wall of the screening box and is fixedly connected with the output end of the motor, a second filter plate is arranged in the inner cavity of the crushing box, and a gap is reserved between the second filter plate and the rotating rod;

a first through hole is formed in the connecting position of the screening box and the side wall of the crushing box, and a first through hole extends from one side of the first filtering plate;

the material guide plate is fixedly connected to the inner side wall of the crushing box and obliquely arranged, the material guide plate is located below the second filter plate, a second through hole is formed in the joint of the crushing box and the side wall of the screening box, and the second through hole extends from one side of the material guide plate.

Preferably, the side wall of the screening box is provided with a feed inlet, the feed inlet is positioned above the first filtering plate, and the bottom of the aggregate bin is provided with a discharge outlet.

Preferably, the first filter plate is provided with a first filter hole, and the second filter plate is provided with a second filter hole.

Preferably, the inner side wall of the crushing box is provided with a sliding groove, one side of the second filter plate is in sliding connection with the inner wall of the sliding groove, the side wall of the crushing box is provided with a rectangular opening, and the other side of the second filter plate extends out of the rectangular opening and is fixedly connected with a fixing plate.

Preferably, the fixing plate is provided with a bolt in a penetrating manner, and the outer side wall of the crushing box is provided with a screw hole matched with the bolt.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the crushing box, the rotating shaft and the rotating rod are driven to rotate by the motor, fine sand agglomerates can be crushed, and the fine sand agglomerates are collected and utilized after being crushed, so that waste is reduced;

2. the fine sand after filtration can be conveniently collected and can be conveniently led out by arranging the collecting hopper;

3. through setting up bolt and fixed plate, can take out the second filter, grit impurity etc. on the second filter is through the leading-in collecting hopper of stock guide, discharges through the discharge gate again, is convenient for clear up the grit impurity in the broken incasement.

Drawings

Fig. 1 is a schematic structural diagram of an entire sand screening apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of an inner side portion of a crushing box of a sand screening apparatus according to the present invention;

FIG. 3 is a schematic structural diagram of a collecting hopper of the sand screening apparatus according to the present invention;

fig. 4 is a schematic structural diagram of a side wall of a crushing box of the sand screening device according to the present invention.

In the figure: 1. a screening box; 2. a first filter plate; 3. a support plate; 4. an electric push rod; 5. a spring; 6. a collection hopper; 7. a crushing box; 8. a rotating shaft; 9. a rotating rod; 10. a second filter plate; 11. a feed inlet; 12. a discharge port; 13. a material guide plate; 14. a fixing plate; 15. a motor; 16. and (4) bolts.

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.

Referring to fig. 1-3, a sand grain screening device comprises a screening box 1, a first filter plate 2 is arranged in an inner cavity of the screening box 1, the first filter plate 2 is slidably connected with the inner side wall of the screening box 1, a first filter hole is formed in the first filter plate 2, the first filter plate 2 can vibrate up and down in the inner side of the screening box 1, a support plate 3 is fixedly connected to the inner side wall of the screening box 1, four support plates 3 are arranged and respectively face the four corners of the bottom of the first filter plate 2, an electric push rod 4 is fixedly connected to the support plate 3, a spring 5 is fixedly connected to the output end of the electric push rod 4, the top end of the spring 5 is fixedly connected with the first filter plate 2, the electric push rod 4 stretches and retracts, the first filter plate 2 is driven by the spring 5 to vibrate up and down, filtering is performed through the first filter hole, a material collecting hopper 6 is communicated with the bottom of the screening box 1, the material collecting hopper 6 is arranged to facilitate the collection of fine sand after filtering, simultaneously be convenient for derive fine sand, the broken case 7 of lateral wall fixedly connected with of

screening case

1, 7 inner chamber roof of broken case rotate and are connected with pivot 8, 8 bottom fixedly connected with bull stick 9 of pivot, the top fixedly connected with motor 15 of screening case 1, 8 top of pivot run through the roof of screening case 1 and with motor 15's output fixed connection, motor 15 drives pivot 8 and rotates, pivot 8 drives bull stick 9 and rotates, it is broken to the fine sand caking, broken 7 inner chambers of case are provided with second filter 10, leave the clearance between second filter 10 and the bull stick 9, the second filter hole has been seted up on the second filter 10, first filter hole is crossed the filter hole diameter with the second and is equallyd divide, all can filter fine sand, grit and the fine sand caking can't pass through.

Referring to fig. 1, a feeding hole 11 is formed in the side wall of the screening box 1, the feeding hole 11 is located above the first filtering plate 2, and a discharging hole 12 is formed in the bottom of the aggregate bin 6.

Referring to fig. 1 and 2, screening case 1 has been seted up with 7 lateral wall junctions of broken case and has been run through mouthful one, one side of first filter 2 is extended and is run through mouthful one, be convenient for in leading-in broken case 7 of grit and fine sand caking through running through mouthful one, the stock guide 13 that 7 inside wall fixedly connected with slopes to set up of broken case, stock guide 13 is located second filter 10 below, broken case 7 has been seted up with 1 lateral wall junction of screening case and has been run through mouthful two, one side of stock guide 13 is extended and is run through mouthful two, be convenient for collect in leading-in collecting hopper 6 with the fine sand after the breakage through running through mouthful two.

Referring to fig. 4, the spout has been seted up to the inside wall of broken case 7, one side and the spout inner wall sliding connection of second filter 10, the rectangle mouth has been seted up to broken case 7 lateral wall, rectangle mouth and fixedly connected with fixed plate 14 are extended to the opposite side of second filter 10, set up spout and rectangle mouth, be convenient for take out second filter 10, it is provided with bolt 16 to run through on the fixed plate 14, set up the screw with 16 looks adaptations of bolt on the broken case 7 lateral wall, set up bolt 16 and screw, be convenient for fix second filter 10.

The operating principle of the present invention will now be described as follows: sand grains are guided into the screening box 1 through the feed inlet 11 and fall on the first filter plate 2, the electric push rod 4 stretches and retracts, the first filter plate 2 is driven by the spring 5 to vibrate up and down and is filtered by the first filter hole, fine sand passes through the first filter hole and falls into the collecting hopper 6, sand and gravel agglomerates pass through the first filter plate 2 through the first penetration port and flow into the crushing box 7 and then fall onto the second filter plate 10, the motor 15 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the rotating rod 9 to rotate, carry out the breakage to the fine sand caking, in the fine sand caking passed the second after broken and filtered the hole and led into screening box 1 through stock guide 13, the fine sand in the aggregate bin 6 can be derived through discharge gate 12, takes off bolt 16, and pulling fixed plate 14 takes out second filter 10, and grit impurity etc. on the second filter 10 is through leading-in aggregate bin 6 of stock guide 13, discharges through discharge gate 12 again, is convenient for clear up the grit impurity in broken box 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A sand screening device comprises a screening box (1) and is characterized in that a first filter plate (2) is arranged in an inner cavity of the screening box (1), the first filter plate (2) is in sliding connection with the inner side wall of the screening box (1), a supporting plate (3) is fixedly connected with the inner side wall of the screening box (1), an electric push rod (4) is fixedly connected onto the supporting plate (3), a spring (5) is fixedly connected to the output end of the electric push rod (4), the top end of the spring (5) is fixedly connected with the first filter plate (2), a collecting hopper (6) is communicated with the bottom of the screening box (1), a crushing box (7) is fixedly connected to the side wall of the screening box (1), the top wall of the inner cavity of the crushing box (7) is rotatably connected with a rotating shaft (8), a rotating rod (9) is fixedly connected to the bottom end of the rotating shaft (8), and a motor (15) is fixedly connected to the top of the screening box (1), the top end of the rotating shaft (8) penetrates through the top wall of the screening box (1) and is fixedly connected with the output end of the motor (15), a second filtering plate (10) is arranged in the inner cavity of the crushing box (7), and a gap is reserved between the second filtering plate (10) and the rotating rod (9);

a first through hole is formed in the connecting position of the side wall of the screening box (1) and the side wall of the crushing box (7), and a first through hole extends from one side of the first filtering plate (2);

the inner side wall of the crushing box (7) is fixedly connected with a material guide plate (13) which is obliquely arranged, the material guide plate (13) is located below the second filter plate (10), a second through hole is formed in the joint of the crushing box (7) and the side wall of the screening box (1), and the second through hole is extended from one side of the material guide plate (13).

2. A sand screening device according to claim 1, characterized in that the side wall of the screening box (1) is provided with a feed inlet (11), the feed inlet (11) is located above the first filter plate (2), and the bottom of the aggregate bin (6) is provided with a discharge outlet (12).

3. A sand screening device according to claim 1, wherein said first filter plate (2) is provided with first filter holes and said second filter plate (10) is provided with second filter holes.

4. A sand screening device according to claim 1, wherein the inner side wall of the crushing box (7) is provided with a chute, one side of the second filter plate (10) is slidably connected with the inner wall of the chute, the side wall of the crushing box (7) is provided with a rectangular opening, and the other side of the second filter plate (10) extends out of the rectangular opening and is fixedly connected with the fixing plate (14).

5. The sand screening device according to claim 4, wherein a bolt (16) penetrates through the fixing plate (14), and a screw hole matched with the bolt (16) is formed in the outer side wall of the crushing box (7).