Sand screening device for constructional engineering

Abstract

The utility model relates to a constructional engineering sand screening device which comprises a mounting frame, the top of the mounting frame is provided with a self-cleaning sand screening structure, the sand screening structure comprises an overturning frame rotationally mounted in the mounting frame, and four elastic supporting assemblies are arranged in the overturning frame. A vibrating frame is fixedly mounted at the tops of the four elastic supporting assemblies, a screen is fixedly mounted on the inner side of the vibrating frame, and a connecting rod is fixedly mounted at the bottom of the vibrating frame. According to the sand screening device for constructional engineering, the vibration motor operates to drive the vibration frame and the screen mesh to vibrate through the connecting lever, sand is poured on the top of the screen mesh and then screened, and when too many broken stones are clamped on the screen mesh, the direct current motor drives the overturning frame to rotate, so that the screen mesh faces downwards; and then the vibration motor continues to operate to drive the vibration frame and the screen to vibrate, so that the broken stones can be shaken off, and the effect of automatically cleaning the blocked sand and stones is achieved.

Description

Technical Field

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

[0002] Chinese Patent Publication No. CN220406298U proposed "a sand screening device for construction sites". This technical solution pointed out the problem that "traditional sand screening devices usually perform single screening operations during use and do not have secondary screening treatment for sand, affecting the screening quality of the device". The utility model provides the following technical solution: "The cooperation of the primary screen and the fine screen at the upper and lower ends, and under the action of the belt and the transmission belt, can drive the eccentric shafts at the upper and lower ends to rotate simultaneously. Under the action of the swing rod, the primary screen and the fine screen at the upper and lower ends are driven to swing left and right, thereby performing secondary screening treatment on the sand and increasing the screening quality of the device."

[0003] The above device has the following defects in actual use: large - sized gravel or impurities may get stuck in the holes of the screen during sand screening, and the above device cannot clean the blocked screen, thus increasing the workload of manual cleaning. Therefore, a sand screening device for construction engineering is proposed to solve the above problems. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a sand screening device for construction engineering, which has the advantage of automatically cleaning blocked sand and gravel.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a sand screening device for construction engineering, including an installation frame, and a sand screening structure capable of self - cleaning is arranged at the top of the installation frame.

[0006] The sand screening structure includes a flipping frame rotatably installed inside the installation frame. Four elastic support components are arranged inside the flipping frame. A vibrating frame is fixedly installed at the top of the four elastic support components. A screen is fixedly installed inside the vibrating frame. A connecting rod is fixedly installed at the bottom of the vibrating frame. A vibrating motor is fixedly installed at the bottom of the connecting rod. A DC motor is fixedly installed on the left side of the installation frame and penetrates through to its inside.

[0007] The elastic support component includes four cushion blocks fixedly installed inside the flipping frame. Lifting columns are slidably installed inside the four cushion blocks. Springs are movably installed at the top and bottom of the four cushion blocks.

[0008] Furthermore, two side brackets are fixedly installed on the outer side of the installation frame. A cross plate is fixedly installed at the bottom of the two side brackets. A bottom bracket is fixedly installed at the bottom of the installation frame. A side plate is fixedly installed at the top of the installation frame.

[0009] Furthermore, the installation frame is inclined downward. The installation frame is sleeved outside the flipping frame. The flipping frame is sleeved outside the vibrating frame.

[0010] Furthermore, the connecting bar is located at the waist position of the vibrating frame. The vibrating motor is located at the waist position of the connecting bar.

[0011] Furthermore, the output end of the DC motor is fixedly connected to the top of the flipping frame. The four cushion blocks are respectively located at the four corner parts of the flipping frame. The front of the lifting column is in an "I" shape structure.

[0012] Furthermore, the vibrating frame is fixedly installed at the top of the four lifting columns. The spring slides up and down outside the lifting column.

[0013] Furthermore, both of the two side brackets are located at one end close to the top of the installation frame. The bottom bracket is located at one end close to the bottom of the installation frame. The bottoms of the cross plate and the bottom bracket are on the same horizontal plane.

[0014] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0015] For this construction engineering sand screening device, the vibrating motor operates and drives the vibrating frame and the screen to vibrate through the connecting bar. After pouring the sand on the top of the screen, it can be screened. When there are too many crushed stones stuck on the screen, the DC motor drives the flipping frame to rotate so that the screen faces downward. Then the vibrating motor continues to operate to drive the vibrating frame and the screen to vibrate, and the crushed stones can be shaken off, thus achieving the effect of automatically cleaning the blocked sand and stones. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 It is a schematic diagram of the disassembled structure of the present utility model;

[0018] Figure 3 It is a schematic structural diagram of the elastic support assembly of the present utility model;

[0019] Figure 4 It is a schematic structural diagram of the lifting column of the present utility model;

[0020] Figure 5 For the present utility model Figure 2 The enlarged structural diagram at position A in it.

[0021] In the figure: 1, installation frame; 2, flipping frame; 3, vibrating frame; 4, screen; 5, connecting bar; 6, vibrating motor; 7, DC motor; 8, cushion block; 9, lifting column; 10, spring; 11, side bracket; 12, cross plate; 13, bottom bracket; 14, side plate. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-4 , a sand screening device for construction engineering in this embodiment, includes an installation frame 1. The installation frame 1 is inclined downward, and a self-cleaning sand screening structure is arranged at the top of the installation frame 1.

[0024] The sand screening structure includes a flipping frame 2 rotatably installed inside the installation frame 1. The installation frame 1 is sleeved outside the flipping frame 2. Four elastic support components are arranged inside the flipping frame 2. The tops of the four elastic support components are fixedly installed with a vibrating frame 3. The flipping frame 2 is sleeved outside the vibrating frame 3. A screen 4 is fixedly installed inside the vibrating frame 3. A connecting bar 5 is fixedly installed at the bottom of the vibrating frame 3. The connecting bar 5 is located at the waist position of the vibrating frame 3. A vibrating motor 6 is fixedly installed at the bottom of the connecting bar 5. The vibrating motor 6 is located at the waist position of the connecting bar 5. A DC motor 7 penetrating through its interior is fixedly installed on the left side of the installation frame 1. The output end of the DC motor 7 is fixedly connected to the top of the flipping frame 2.

[0025] In this embodiment, when the vibrating motor 6 operates, it will generate vibration. Through the connecting bar 5, the vibrating frame 3 and the screen 4 can be driven to vibrate synchronously. After pouring the sand on the top of the screen 4, it can be screened. At this time, the fine sand will flow to the bottom of the screen 4, and the crushed stones are screened out and guided to the right. When there are too many crushed stones stuck on the screen 4, the DC motor 7 drives the flipping frame 2 to rotate forward by 180 degrees so that the screen 4 faces downward. Then the vibrating motor 6 continues to operate to drive the vibrating frame 3 and the screen 4 to vibrate, which can loosen the crushed stones. At this time, the loosened crushed stones can automatically fall due to gravity. After cleaning, the DC motor 7 drives the flipping frame 2 to rotate backward by 180 degrees to drive the screen 4 to reset.

[0026] The elastic support assembly includes four cushion blocks 8 fixedly installed inside the flipping frame 2. The four cushion blocks 8 are respectively located at the four corner parts of the flipping frame 2. Inside each of the four cushion blocks 8, a lifting column 9 is slidably installed. The front of the lifting column 9 has an "I" - shaped structure. The vibrating frame 3 is fixedly installed on the tops of the four lifting columns 9. Springs 10 are movably installed at the top and bottom of each of the four cushion blocks 8. The springs 10 slide up and down outside the lifting columns 9.

[0027] In this embodiment, the vibrating frame 3 and the screen 4 can be restricted to move inside the flipping frame 2 through the sliding connection of the four lifting columns 9 and the cushion blocks 8. At this time, the springs 10 installed at the upper and lower ends of the four cushion blocks 8 can increase the vibration frequency of the vibrating frame 3 and the screen 4, thereby improving the sand screening effect of the screen 4.

[0028] On the outer side of the installation frame 1, two side brackets 11 are fixedly installed. Both of the two side brackets 11 are located at one end near the top of the installation frame 1. A cross - plate 12 is fixedly installed at the bottom of the two side brackets 11. A bottom bracket 13 is fixedly installed at the bottom of the installation frame 1. The bottom bracket 13 is located at one end near the bottom of the installation frame 1. The bottoms of the cross - plate 12 and the bottom bracket 13 are on the same horizontal plane. A side plate 14 is fixedly installed at the top of the installation frame 1.

[0029] In this embodiment, the installed side brackets 11, cross - plate 12 and bottom bracket 13 can support the bottom of the device, and the installed side plate 14 can concentrate the sand on the top of the screen 4 for screening, preventing the sand from overflowing from the side of the installation frame 1.

[0030] The working principle of the above - mentioned embodiment is as follows:

[0031] During use, directly pour the sand on the top of the screen 4. Then, the vibration motor 6 operates to generate vibration, which drives the vibrating frame 3 and the screen 4 to vibrate through the connecting rod 5, and then the sand can be screened. At this time, the fine sand flows to the bottom of the screen 4, and the crushed stones are screened out and guided to the right. When there are too many crushed stones stuck on the screen 4, the DC motor 7 drives the flipping frame 2 to rotate forward by 180 degrees so that the screen 4 faces downward. Then, the vibration motor 6 continues to operate to drive the vibrating frame 3 and the screen 4 to vibrate, which can loosen the crushed stones. At this time, the loosened crushed stones can fall automatically under the influence of gravity. After cleaning, the DC motor 7 drives the flipping frame 2 to rotate backward by 180 degrees to drive the screen 4 to reset.

[0032] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0033] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A construction engineering sand screening device, comprising a mounting frame (1), characterized in that: A self-cleaning sand screening structure is provided on the top of the installation frame (1); The sand screening structure comprises a flip frame (2) rotatably mounted inside a mounting frame (1); four elastic support components are arranged inside the flip frame (2); a vibration frame (3) is fixedly mounted on the top of the four elastic support components; a screen (4) is fixedly mounted on the inner side of the vibration frame (3); a connecting rod (5) is fixedly mounted on the bottom of the vibration frame (3); a vibration motor (6) is fixedly mounted on the bottom of the connecting rod (5); and a DC motor (7) penetrating the inside of the mounting frame (1) is fixedly mounted on the left side of the mounting frame (1); The elastic support assembly comprises four cushion blocks (8) fixedly mounted on the inner side of the flip frame (2), the interiors of the four cushion blocks (8) are all slidably mounted with lifting columns (9), and the tops and bottoms of the four cushion blocks (8) are all movably mounted with springs (10).

2. A construction engineering sand screening device according to claim 1, characterized in that: Two side brackets (11) are fixedly mounted on the outer side of the mounting frame (1), a transverse plate (12) is fixedly mounted on the bottom of the two side brackets (11), a bottom bracket (13) is fixedly mounted on the bottom of the mounting frame (1), and a side plate (14) is fixedly mounted on the top of the mounting frame (1).

3. A construction engineering sand screening device according to claim 1, characterized in that: The installation frame (1) is tilted downward, the installation frame (1) is sleeved on the outside of the flip frame (2), and the flip frame (2) is sleeved on the outside of the vibration frame (3).

4. A construction engineering sand screening device according to claim 1, characterized in that: The connecting rod (5) is located at the waist position of the vibration frame (3), and the vibration motor (6) is located at the waist position of the connecting rod (5).

5. A construction engineering sand screening device according to claim 1, characterized in that: The output end of the DC motor (7) is fixedly connected to the top of the flip frame (2), the four cushion blocks (8) are respectively located at the four corners of the flip frame (2), and the front of the lifting column (9) is an "I"-shaped structure.

6. A construction engineering sand screening device according to claim 1, characterized in that: The vibration frame (3) is fixedly mounted on the top of four lifting columns (9), and the spring (10) slides up and down on the outside of the lifting columns (9).

7. A construction engineering sand screening device according to claim 2, characterized in that: The two side brackets (11) are both located at one end close to the top of the mounting frame (1), the bottom bracket (13) is located at one end close to the bottom of the mounting frame (1), and the bottoms of the cross plate (12) and the bottom bracket (13) are both on the same horizontal plane.

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