Sand screening machine for constructional engineering

Abstract

The utility model relates to the technical field of constructional engineering, in particular to a sand screening machine for constructional engineering, which comprises a working box, the top of the working box is fixedly connected with a feed hopper, the outer side of the working box is fixedly connected with a controller, a sand screening mechanism is mounted in the working box, the outer side of the sand screening mechanism is fixedly connected with a crushing mechanism, and the crushing mechanism is fixedly connected with a motor. A collecting mechanism is mounted at the inner bottom of the working box, the sand screening mechanism comprises an electric telescopic rod, a pushing rod is fixedly connected to the outer side of the electric telescopic rod, a screening frame is fixedly connected to the outer side of the pushing rod, a moving rod is fixedly connected to the outer side of the screening frame, and a movable pipe is slidably connected to the outer side of the moving rod; the crushing mechanism comprises a connecting plate, and a motor is fixedly connected to the outer side of the connecting plate. The sand screening device is simple in structure and convenient to use, caked sand can be crushed, and meanwhile the screened sand can be rapidly collected.

Description

Technical Field

[0001] The utility model relates to a sand screening machine for construction engineering, belonging to the technical field of construction engineering. Background Art

[0002] Concrete is needed in the construction process, and concrete contains sand. The quality of concrete and its various properties are also related to the quality of sand. Since general sand contains more impurities and has different particle sizes, it needs to be screened when used. After screening, high-quality sand with fewer impurities and finer sand particles can be obtained, which is widely used in construction sites.

[0003] According to the authorized patent CN202223007815.1, the sand screening effect in this patent is good, and it can also handle the generated dust, thereby protecting the environment. However, when encountering agglomerated sand, due to its large volume, it cannot be screened. At the same time, the screened sand is located at the bottom of the working box, which is more troublesome to collect and organize. Utility Model Content

[0004] The purpose of the utility model is to provide a sand screening machine for construction engineering. The utility model has a simple structure and is easy to use. It can crush agglomerated sand and quickly collect the screened sand to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sand screening machine for construction engineering comprises a working box, the top of which is fixedly connected to a feed hopper, the outside of which is fixedly connected to a controller, a sand screening mechanism installed inside the working box, a crushing mechanism fixedly connected to the outside of the sand screening mechanism, and a collecting mechanism installed at the inner bottom of the working box.

[0007] The sand screening mechanism includes an electric telescopic rod, a pushing rod is fixedly connected to the outer side of the electric telescopic rod, a screening frame is fixedly connected to the outer side of the pushing rod, a moving rod is fixedly connected to the outer side of the screening frame, a movable tube is slidably connected to the outer side of the moving rod, and a sealing plate is clamped in the inner wall of the working box.

[0008] The crushing mechanism includes a connecting plate, a motor is fixedly connected to the outer side of the connecting plate, a screw is fixedly connected to the output end of the motor, a ferrule is threadedly connected to the outer side of the screw, a limiting rod is fixedly connected to the outer side of the ferrule, a movable groove is opened inside the screening frame, a connecting rod is fixedly connected to the top of the ferrule, a movable frame is fixedly connected to the bottom of the connecting rod, and a crushing column is rotatably connected to the inside of the movable frame.

[0009] The collecting mechanism includes a slide groove, a slide rod is slidably connected inside the slide groove, a slider is fixedly connected to the outside of the slide rod, a return spring is fixedly connected to the outside of the slide rod, a fixed rod is fixedly connected to the bottom of the slide rod, a push plate is fixedly connected to the bottom of the fixed rod, and a discharge plate is opened in the inner wall of the working box.

[0010] Furthermore, the electric telescopic rod is located outside the working box, the screening frame is located inside the working box, the movable tube is symmetrically distributed on the inner wall of the working box, and the controller outside the working box is electrically connected to the electric telescopic rod, so that the screening frame can be driven to move back and forth inside the working box. Through the coordinated use of the movable tube and the movable rod, the screening frame can maintain stability during movement.

[0011] Furthermore, the connecting plates are symmetrically distributed on the outside of the screening frame, the screw rod is rotatably connected between the two connecting plates, and the controller is electrically connected to the motor, so that the motor can drive the screw rod to rotate between the connecting plates through the controller.

[0012] Furthermore, one end of the limiting rod away from the ring is slidably connected to the inside of the moving groove, and the moving frame is located inside the screening frame. The ring outside the screw rod can be limited by the limiting rod.

[0013] Furthermore, the crushing column is rotatably connected to the upper part of the inner part of the screening frame, and the slide grooves are symmetrically distributed in the inner wall of the working box. The crushing column is rotated inside the screening frame by moving the moving frame inside the screening frame.

[0014] Furthermore, the slider is slidably connected to the outside of the working box via a slide rod, and one end of the return spring away from the slide rod is fixedly connected to the inner wall of the slide groove, and the slider can drive the slide rod to move inside the slide groove.

[0015] Furthermore, the fixing rods are symmetrically distributed on the top of the pushing plate, and the pushing plate is slidably connected to the inner bottom wall of the working box.

[0016] The beneficial effects of the utility model are:

[0017] (a) The utility model sets up a working box, firstly pours sand into the internal screening frame of the working box through the feed hopper on the top of the working box, then starts the electric telescopic rod through the controller, so that the electric telescopic rod drives the push rod to move back and forth inside the working box, and the screening frame can be driven to move inside the working box through the movement of the push rod, then starts the motor on the outside of the connecting plate through the controller, so that the motor drives the screw rod to rotate, and the rotation of the screw rod drives the ring to rotate, because the limiting rod is fixedly connected to the outside of the ring, it can limit the ring and make the ring move outside the screw rod, then cooperate with the connecting rod to make the moving frame drive the crushing column to rotate inside the screening frame, so that the sand agglomerated inside the screening frame can be crushed.

[0018] (ii) The utility model is provided with a working box, and the sieve can be screened to the bottom of the working box through the screening frame. When the screened sand needs to be collected, the slide bar is driven by the slider to slide inside the slide groove, so that the slide bar drives the push plate at the bottom of the fixed rod to move at the bottom of the working box. At this time, the push plate will push the sand to one end of the working box, and then by opening the discharge plate, the collected sand can be quickly collected and processed, and then by loosening the slider, the push plate can be returned to its original position under the action of the reset spring for next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0020] Figure 1 This is a structural schematic diagram of a sand screening machine for construction engineering of the utility model;

[0021] Figure 2 This is a structural schematic diagram of the back side of a sand screening machine for construction engineering of the utility model;

[0022] Figure 3 This is a structural schematic diagram of the outer side of a screening frame of a sand screening machine for construction engineering of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the outer side of a crushing column of a sand screening machine for construction engineering of the utility model;

[0024] Figure 5 This is a structural schematic diagram of the outer side of a driving plate of a sand screening machine for construction engineering of the utility model;

[0025] Numbers in the figure: 1. working box; 2. feeding hopper; 3. controller; 4. sand screening mechanism; 41. electric telescopic rod; 42. pushing rod; 43. screening frame; 44. moving rod; 45. movable tube; 46. sealing plate; 5. crushing mechanism; 51. connecting plate; 52. motor; 53. screw rod; 54. ring; 55. limiting rod; 56. moving groove; 57. connecting rod; 58. moving frame; 59. crushing column; 6. collecting mechanism; 61. sliding groove; 62. sliding rod; 63. sliding block; 64. reset spring; 65. fixing rod; 66. pushing plate; 67. discharging plate. DETAILED DESCRIPTION

[0026] 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.

[0027] Example 1 Please refer to Figure 1-Figure 5 , the utility model provides a technical solution:

[0028] A sand screening machine for construction engineering comprises a working box 1, a feeding hopper 2 is fixedly connected to the top of the working box 1, a controller 3 is fixedly connected to the outside of the working box 1, a sand screening mechanism 4 is installed inside the working box 1, a crushing mechanism 5 is fixedly connected to the outside of the sand screening mechanism 4, a collecting mechanism 6 is installed at the inner bottom of the working box 1, the sand screening mechanism 4 comprises an electric telescopic rod 41, a push rod 42 is fixedly connected to the outside of the electric telescopic rod 41, a screening frame 43 is fixedly connected to the outside of the screening frame 43, a moving rod 44 is fixedly connected to the outside of the moving rod 44 A movable tube 45 is connected to the side sliding, a sealing plate 46 is clamped in the inner wall of the working box 1, the crushing mechanism 5 includes a connecting plate 51, a motor 52 is fixedly connected to the outer side of the connecting plate 51, a screw rod 53 is fixedly connected to the output end of the motor 52, a ferrule 54 is threadedly connected to the outer side of the screw rod 53, a limiting rod 55 is fixedly connected to the outer side of the ferrule 54, a movable groove 56 is opened inside the screening frame 43, a connecting rod 57 is fixedly connected to the top of the ferrule 54, a movable frame 58 is fixedly connected to the bottom of the connecting rod 57, and a crushing column 59 is rotatably connected to the inside of the movable frame 58.

[0029] Specifically, Figure 1As shown, the electric telescopic rod 41 is located on the outside of the working box 1, the screening frame 43 is located inside the working box 1, the movable tube 45 is symmetrically distributed in the inner wall of the working box 1, the connecting plates 51 are symmetrically distributed on the outside of the screening frame 43, the screw rod 53 is rotatably connected between the two connecting plates 51, the end of the limiting rod 55 away from the ring 54 is slidably connected to the inside of the moving groove 56, the moving frame 58 is located inside the screening frame 43, the crushing column 59 is rotatably connected to the upper inside of the screening frame 43, and the slide groove 61 is symmetrically distributed in the inner wall of the working box 1.

[0030] Specifically, the controller 3 on the outside of the working box 1 is electrically connected to the electric telescopic rod 41, so that the screening frame 43 can be driven to move back and forth inside the working box 1. The movable tube 45 and the moving rod 44 are used in conjunction with each other to keep the screening frame 43 stable during movement. The controller 3 is electrically connected to the motor 52, so that the motor 52 can drive the screw rod 53 to rotate between the connecting plates 51 through the controller 3. The limiting rod 55 can be used to limit the ring 54 on the outside of the screw rod 53, and the movable frame 58 is used to move inside the screening frame 43, so that the crushing column 59 can be rotated inside the screening frame 43.

[0031] In this embodiment: by setting up a working box 1, first, pour the sand into the internal screening frame 43 of the working box 1 through the feeding hopper 2 on the top of the working box 1, then the electric telescopic rod 41 is started by the controller 3, so that the electric telescopic rod 41 drives the pushing rod 42 to move back and forth inside the working box 1, and the screening frame 43 can be driven to move inside the working box 1 through the movement of the pushing rod 42, then the motor 52 on the outside of the connecting plate 51 is started by the controller 3, so that the motor 52 drives the screw rod 53 to rotate, and the rotation of the screw rod 53 drives the ring 54 to rotate, because the limiting rod 55 is fixedly connected to the outside of the ring 54, it can limit the ring 54, so that the ring 54 moves outside the screw rod 53, and then through the cooperation with the connecting rod 57, the moving frame 58 drives the crushing column 59 to rotate inside the screening frame 43, so that the sand agglomerated inside the screening frame 43 can be crushed.

[0032] Example 2 Please refer to Figure 1 , Figure 2 and Figure 5 The difference between this embodiment and embodiment 1 is that the collecting mechanism 6 includes a slide groove 61, the slide groove 61 is slidably connected to a slide rod 62 inside, the outer side of the slide rod 62 is fixedly connected to a slider 63, the outer side of the slide rod 62 is fixedly connected to a return spring 64, the bottom of the slide rod 62 is fixedly connected to a fixing rod 65, the bottom of the fixing rod 65 is fixedly connected to a push plate 66, and a discharge plate 67 is opened in the inner wall of the working box 1.

[0033] Specifically, Figure 1-5 As shown, the slider 63 is slidably connected to the outside of the working box 1 through the sliding rod 62, the end of the return spring 64 away from the sliding rod 62 is fixedly connected to the inner wall of the sliding groove 61, the fixing rod 65 is symmetrically distributed on the top of the pushing plate 66, and the pushing plate 66 is slidably connected to the inner bottom wall of the working box 1.

[0034] Specifically, the slide block 63 can drive the slide bar 62 to move inside the slide slot 61 . When the slide block 63 is released, the push plate 66 can return to its original position under the action of the return spring 64 .

[0035] In this embodiment: by setting up a working box 1, the sand can be screened to the bottom of the working box 1 through the screening frame 43. When the screened sand needs to be collected, the slider 63 drives the slide bar 62 to slide inside the slide groove 61, so that the slide bar 62 drives the push plate 66 at the bottom of the fixed rod 65 to move at the bottom of the working box 1. At this time, the push plate 66 will push the sand to one end of the working box 1, and then by opening the discharge plate 67, the collected sand can be quickly collected and processed, and then by loosening the slider 63, the push plate 66 can be returned to its original position under the action of the reset spring 64 for next use.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sand screening machine for construction engineering, comprising a working box (1), characterized in that: The top of the working box (1) is fixedly connected to a feed hopper (2), the outer side of the working box (1) is fixedly connected to a controller (3), a sand screening mechanism (4) is installed inside the working box (1), a crushing mechanism (5) is fixedly connected to the outer side of the sand screening mechanism (4), and a collecting mechanism (6) is installed at the inner bottom of the working box (1); The sand screening mechanism (4) comprises an electric telescopic rod (41), a push rod (42) is fixedly connected to the outer side of the electric telescopic rod (41), a screening frame (43) is fixedly connected to the outer side of the push rod (42), a moving rod (44) is fixedly connected to the outer side of the screening frame (43), a movable tube (45) is slidably connected to the outer side of the moving rod (44), and a sealing plate (46) is clamped in the inner wall of the working box (1); The crushing mechanism (5) comprises a connecting plate (51), the outer side of the connecting plate (51) is fixedly connected to a motor (52), the output end of the motor (52) is fixedly connected to a screw rod (53), the outer side of the screw rod (53) is threadedly connected to a ferrule (54), the outer side of the ferrule (54) is fixedly connected to a limit rod (55), a moving groove (56) is provided inside the screening frame (43), the top of the ferrule (54) is fixedly connected to a connecting rod (57), the bottom of the connecting rod (57) is fixedly connected to a moving frame (58), and the inside of the moving frame (58) is rotatably connected to a crushing column (59); The collecting mechanism (6) comprises a slide groove (61), the interior of the slide groove (61) is slidably connected to a slide rod (62), the outer side of the slide rod (62) is fixedly connected to a slider (63), the outer side of the slide rod (62) is fixedly connected to a return spring (64), the bottom of the slide rod (62) is fixedly connected to a fixed rod (65), the bottom of the fixed rod (65) is fixedly connected to a push plate (66), and a discharge plate (67) is provided in the inner wall of the working box (1).

2. A sand screening machine for construction engineering according to claim 1, characterized in that: The electric telescopic rod (41) is located outside the working box (1), the screening frame (43) is located inside the working box (1), and the movable tubes (45) are symmetrically distributed on the inner wall of the working box (1).

3. A sand screening machine for construction engineering according to claim 1, characterized in that: The connection plates (51) are symmetrically distributed on the outside of the screening frame (43), and the screw rod (53) is rotatably connected between the two connection plates (51).

4. A sand screening machine for construction engineering according to claim 1, characterized in that: One end of the limiting rod (55) away from the ferrule (54) is slidably connected to the inside of the moving groove (56), and the moving frame (58) is located inside the screening frame (43).

5. A sand screening machine for construction engineering according to claim 1, characterized in that: The crushing column (59) is rotatably connected to the upper inner part of the screening frame (43), and the chute (61) is symmetrically distributed in the inner wall of the working box (1).

6. A sand screening machine for construction engineering according to claim 1, characterized in that: The sliding block (63) is slidably connected to the outside of the working box (1) via a sliding rod (62), and one end of the return spring (64) away from the sliding rod (62) is fixedly connected to the inner wall of the sliding groove (61).

7. A sand screening machine for construction engineering according to claim 1, characterized in that: The fixing rods (65) are symmetrically distributed on the top of the pushing plate (66), and the pushing plate (66) is slidably connected to the inner bottom wall of the working box (1).

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