Gravel screening device

Abstract

The utility model discloses a sandstone screening device, relates to sandstone screening technical field, including base and sand separating box, the inside of base is provided with the sand separating box, the inside of base is provided with the chute, the inside of the chute is slidingly connected with the movable block, and the side face of the movable block is fixedly connected with the spring, and the spring is fixedly connected with the movable block. An inserting rod is fixedly connected to the face, away from the spring, of the movable block, a clamping groove is formed in the outer surface of the sand separation box, the output end of the inserting rod is connected to the interior of the clamping groove in a clamped mode, a sliding plate is fixedly connected to the lower end of the interior of the sand separation box, and a sand outlet plate is fixedly connected to the outer surface of the sand separation box; and a rotating shaft is rotationally connected into the outer surface of the sand separation box. Compared with an existing common gravel screening device, according to the gravel screening device, a movable block is pulled to move in a sliding groove in the base, a spring on the rear side is compressed, and an inserting rod is taken out of a clamping groove, so that the purpose that a sand separation box is conveniently taken out of the base is achieved, and workers can conveniently maintain the gravel screening device.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel screening, in particular to a sand and gravel screening device. Background Art

[0002] Sand and gravel refers to a loose mixture of sand and crushed stone. In geology, mineral or rock particles with a particle size of 0.074 to 2 mm are called sand, and particles larger than 2 mm are called gravel or angular gravel. Sand and gravel are widely used on construction sites, and they are generally treated with flash powder when used on construction sites.

[0003] For example, a sand and gravel screening device with application number 201910890890.0 comprises a shell, two filter screens are arranged inside the shell, two ends of the filter screens are fixedly connected with connecting blocks, support rods are arranged above and below the connecting blocks, the support rods are fixedly connected with the inner wall of the shell, a through hole 1 is opened in the support rod, and a through hole 2 is opened near the through hole in the connecting block, a receiving plate is arranged below the filter screen, connecting rods are fixedly connected with the two sides of the receiving plate, and limit rods are arranged at the top and bottom of the connecting rods, and the limit rods are fixedly connected with the inner wall of the shell, and a feeding box is arranged on one side of the shell, and a motor is fixedly connected with the bottom of the feeding box, and the output end of the motor is connected with a rotating shaft, and the rotating shaft is fixedly connected with a spiral blade. Beneficial effect: the sand and gravel are divided into coarse and fine, which meets the needs of actual construction, and is convenient for loading and unloading, and can reduce the labor intensity of manual labor, but the sand and gravel screening device is more troublesome for the sand box during the disassembly process, which is not conducive to the maintenance of internal components by the staff.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a sand and gravel screening device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a sand and gravel screening device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand and gravel screening device, comprising a base and a sand dividing box, a sand dividing box is arranged inside the base, and a slide groove is opened inside the base, a movable block is slidably connected inside the slide groove, and a spring is fixedly connected to the side of the movable block, a plug rod is fixedly connected to the side of the movable block away from the spring, and a slot is opened on the outer surface of the sand dividing box, and the output end of the plug rod is snap-connected to the inside of the slot.

[0007] Preferably, a slide plate is fixedly connected to the inner lower end of the sand dividing box, and a sand outlet plate is fixedly connected to the outer surface of the sand dividing box.

[0008] Preferably, a rotating shaft is rotatably connected inside the outer surface of the sand dividing box, and a connecting rod is fixedly connected to the outer surface of the rotating shaft.

[0009] Preferably, the interior of the base is fixedly connected to a pedestal, and the upper surface of the base is fixedly connected to a motor.

[0010] Preferably, a turntable is fixedly connected to the output end of the motor, and the turntable is rotatably connected to the tail end of the connecting rod.

[0011] Preferably, a frame is fixedly connected to the inner upper end of the sand dividing box, and a filter screen is snap-connected to the middle of the frame, a handle is fixedly connected to the upper surface of the filter screen, and the filter screen is arranged above the slide plate.

[0012] Preferably, the frame is internally rotatably connected to a rotating block, and the outer surface of the rotating block is fixedly connected to a pressure plate, a threaded groove is opened inside the frame, and the internal thread of the threaded groove is connected to a threaded rod, the outer surface of the threaded rod is fixedly connected to a limiting block, and the upper end of the threaded rod is fixedly connected to a handle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model adopts the arrangement of the base, the sand box, the movable block, the slide groove, the spring, the plug rod and the slot, and pulls the movable block to move in the slide groove inside the base, compresses the rear spring to remove the plug rod from the slot, so as to facilitate the removal of the sand box from the base, and facilitate the maintenance of the staff;

[0015] 2. The utility model is provided with a base, a sand box, a rotating shaft, a connecting rod, a rotating disk, a motor and a base. The motor on the base is started to drive the rotating disk to rotate, so that the connecting rod can pass through the rotating shaft to squeeze the sand box inside the base to make a reciprocating motion, thereby achieving the purpose of improving the sand and gravel screening efficiency;

[0016] 3. The utility model is equipped with a sand box, a frame, a filter screen, a handle, a rotating block, a turning hand, a limiting plate, a threaded rod, a threaded groove and a pressing plate. The turning hand rotates the threaded rod inside the threaded groove, so that the limiting block separates the rotating block and the frame, thereby facilitating the removal of the pressing plate from above the filter screen, thereby achieving the purpose of facilitating the removal of the filter screen from the middle of the frame through the handle, and facilitating the staff to remove the sand and gravel above the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;

[0018] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the base 1 of the utility model;

[0019] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the sand box 3 of the utility model;

[0020] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the frame 9 of the utility model.

[0021] In the figure: 1. base; 2. sand box; 3. sand discharge plate; 4. movable block; 5. slide; 6. spring; 7. plug rod; 8. slot; 9. frame; 10. handle; 11. filter; 12. rotating block; 13. slide plate; 14. rotating shaft; 15. connecting rod; 16. turntable; 17. motor; 18. base; 19. turn handle; 20. limit block; 21. threaded rod; 22. threaded groove; 23. pressure plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 2 As shown, a sand and gravel screening device includes a base 1 and a sand dividing box 2. The sand dividing box 2 is arranged inside the base 1, and a slide groove 5 is opened inside the base 1. A movable block 4 is slidably connected inside the slide groove 5, and a spring 6 is fixedly connected to the side of the movable block 4. A plug rod 7 is fixedly connected to the side of the movable block 4 away from the spring 6, and a slot 8 is opened on the outer surface of the sand dividing box 2. The output end of the plug rod 7 is snap-connected to the inside of the slot 8. The movable block 4 is pulled to move in the slide groove 5 inside the base 1, and the rear spring 6 is compressed to remove the plug rod 7 from the inside of the slot 8, so as to achieve the purpose of facilitating the removal of the sand dividing box 2 from the inside of the base 1 and facilitate maintenance by the staff.

[0024] like Figure 3-Figure 4 As shown, a slide plate 13 is fixedly connected to the lower end of the inner part of the sand box 2, and a sand discharge plate 3 is fixedly connected to the outer surface of the sand box 2, so that the screened sand and gravel can be discharged from the sand discharge plate 3 conveniently through the slide plate 13.

[0025] Furthermore, a rotating shaft 14 is rotatably connected to the inner portion of the outer surface of the dividing sand box 2, and a connecting rod 15 is fixedly connected to the outer surface of the rotating shaft 14, and the connecting rod 15 is driven to move by the rotation of the rotating shaft 14.

[0026] Furthermore, a base 18 is fixedly connected inside the base 1 , and a motor 17 is fixedly connected to the upper surface of the base 18 , so that the motor 17 can be conveniently fixed inside the base 1 through the base 18 .

[0027] Furthermore, the output end of the motor 17 is fixedly connected to a turntable 16, and the turntable 16 is rotatably connected to the tail end of the connecting rod 15. The motor 17 drives the turntable 16 to rotate, so that the connecting rod 15 can squeeze the spring 6 inside the base 1 through the rotating shaft 14 to make a reciprocating motion of the sand box 2, thereby achieving the purpose of improving the sand and gravel screening efficiency.

[0028] Furthermore, a frame 9 is fixedly connected to the inner upper end of the sand box 2, and a filter screen 11 is snap-connected to the middle of the frame 9, a handle 10 is fixedly connected to the upper surface of the filter screen 11, and the filter screen 11 is arranged above the slide 13, and the sand and gravel sieved by the filter screen 11 falls onto the upper surface of the slide 13 below.

[0029] Furthermore, the frame 9 is internally rotatably connected to a rotating block 12, and the outer surface of the rotating block 12 is fixedly connected to a pressure plate 23, a threaded groove 22 is provided inside the frame 9, and the internal thread of the threaded groove 22 is threadedly connected to a threaded rod 21, the outer surface of the threaded rod 21 is fixedly connected to a limiting block 20, and the upper end of the threaded rod 21 is fixedly connected to a handle 19, and the handle 19 is rotated to rotate the threaded rod 21 inside the threaded groove 22, so that the limiting block 20 separates the rotating block 12 and the frame 9, thereby facilitating the removal of the pressure plate 23 from above the filter screen 11, thereby achieving the purpose of facilitating the removal of the filter screen 11 from the middle of the frame 9 through the handle 10, and facilitating the staff to remove the sand and gravel above the filter screen 11.

[0030] Working principle: When using the sand and gravel screening device, first pull the movable block 4 to move in the slide groove 5 inside the base 1, compress the rear spring 6 to remove the insertion rod 7 from the slot 8, so as to facilitate the removal of the sand box 2 from the inside of the base 1, which is convenient for the staff to carry out maintenance, start the motor 17 above the base 18 to drive the turntable 16 to rotate, so that the connecting rod 15 can pass through the rotating shaft 14, and the sand box 2 can be squeezed and reciprocated in the base 1 by the spring 6, so as to achieve the purpose of improving the sand and gravel screening efficiency, turn the handle 19 to rotate the threaded rod 21 in the threaded groove 22, so that the limit block 20 separates the rotating block 12 and the frame 9, so as to facilitate the removal of the pressing plate 23 from above the filter screen 11, so as to facilitate the removal of the filter screen 11 from the middle of the frame 9 through the handle 10, and facilitate the staff to take out the sand and gravel above the filter screen 11. This is the working principle of the sand and gravel screening device.

Claims

1. A sand and gravel screening device, comprising a base (1) and a sand separation box (2), characterized in that: A dividing sand box (2) is arranged inside the base (1), and a slide groove (5) is provided inside the base (1), a movable block (4) is slidably connected inside the slide groove (5), and a spring (6) is fixedly connected to the side of the movable block (4), a plug rod (7) is fixedly connected to the side of the movable block (4) away from the spring (6), and a clamping groove (8) is provided on the outer surface of the dividing sand box (2), and the output end of the plug rod (7) is clamped and connected inside the clamping groove (8).

2. A sand and gravel screening device according to claim 1, characterized in that: The lower end of the interior of the sand dividing box (2) is fixedly connected with a slide plate (13), and the outer surface of the sand dividing box (2) is fixedly connected with a sand discharge plate (3).

3. A sand and gravel screening device according to claim 1, characterized in that: A rotating shaft (14) is rotatably connected inside the outer surface of the sand dividing box (2), and a connecting rod (15) is fixedly connected to the outer surface of the rotating shaft (14).

4. A sand and gravel screening device according to claim 1, characterized in that: The interior of the base (1) is fixedly connected to a pedestal (18), and the upper surface of the pedestal (18) is fixedly connected to a motor (17).

5. A sand and gravel screening device according to claim 4, characterized in that: The output end of the motor (17) is fixedly connected to a rotating disk (16), and the rotating disk (16) is rotatably connected to the tail end of the connecting rod (15).

6. A sand and gravel screening device according to claim 1, characterized in that: The upper end of the interior of the sand dividing box (2) is fixedly connected to a frame (9), and the middle of the frame (9) is snap-connected to a filter screen (11), the upper surface of the filter screen (11) is fixedly connected to a handle (10), and the filter screen (11) is arranged above a slide plate (13).

7. A sand and gravel screening device according to claim 6, characterized in that: The frame (9) is internally rotatably connected to a rotating block (12), and the outer surface of the rotating block (12) is fixedly connected to a pressing plate (23); a thread groove (22) is provided inside the frame (9), and the thread groove (22) is internally threadedly connected to a threaded rod (21); the outer surface of the threaded rod (21) is fixedly connected to a limiting block (20), and the upper end of the threaded rod (21) is fixedly connected to a handle (19).

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