Building material screening device
By designing a building material screening device, using the reciprocating motion of the U-shaped plate and the structure of the engaging components, the existing cement screening method is solved, and more sufficient screening and convenient impurity cleaning are achieved.
Patent Information
- Application Number
- CN202420827606.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The cement screening method in existing construction is insufficient, resulting in poor screening effect and prone to retain qualified cement.
A building material screening device is designed, including a frame table, U-shaped plate, drive assembly, insertion block, enclosure and engagement assembly. By setting the structure of the U-shaped plate reciprocating motion and engagement assembly, the vibration screening and impurities pouring of the screening sand cage are realized.
A relatively sufficient cement screening is achieved, which avoids the phenomenon of retaining qualified cement, has a good screening effect and is easy to clean up impurities.
Smart Images

Figure CN222607130U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction machinery, in particular to a building material screening device. Background Art
[0002] Cement is needed in construction. There are usually some impurities or stones in the cement, so the cement needs to be screened. At present, workers usually hold a shovel and throw the cement on an inclined screen for screening. This screening method is not sufficient, the screening effect is poor, and some small amounts of reasonable cement will be retained. Therefore, we propose a building material screening device to solve the above problems. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In view of the deficiencies of the prior art, the utility model provides a building material screening device, which solves the problems raised in the above background technology.
[0005] (II) Technical solution
[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0007] A building material screening device comprises a frame platform, wherein the four bottom corners of the frame platform are fixed with supporting legs, the top of the frame platform is slidably connected with a U-shaped plate, one end of the frame platform is equipped with a driving assembly for driving the U-shaped plate to reciprocate in a horizontal direction, four plug blocks are symmetrically fixed on the top of the U-shaped plate, the surfaces of the plug blocks are provided with clamping holes, the top of the U-shaped plate is attached with a surrounding frame, the four corners of the surrounding frame are provided with plug holes suitable for the plug blocks, a sand screening box is fixed inside the surrounding frame, and both ends of the top of the surrounding frame are provided with clamping assemblies for clamping two clamping holes.
[0008] Furthermore, the driving assembly includes an L-shaped seat fixed at the bottom of one end of the frame platform, a motor is fixed on the top of the L-shaped seat, a disc is fixed on the output shaft of the motor, a connecting rod is rotatably connected to the surface of the disc through a pin, and one end of the connecting rod is rotatably connected to the top of one end of the U-shaped plate through a pin.
[0009] Furthermore, the locking assembly includes two fixed blocks symmetrically fixed on the top of the frame, a guide rod is fixed between the two fixed blocks, two L-shaped blocks are symmetrically slidably connected on the surface of the guide rod, a spring is fixed to one side wall of the L-shaped block, one end of the spring is fixedly connected to one side wall of an adjacent fixed block, a locking rod matched with the locking hole is fixed to one side wall of the L-shaped block, and one end of the locking rod slides through the side wall of the adjacent fixed block and slides through the corresponding locking hole.
[0010] Furthermore, a through hole adapted to the clamping rod is formed on the side wall of the fixing block, and a guide hole adapted to the guide rod is formed on the side wall of the L-shaped block.
[0011] Furthermore, two T-shaped slide bars are symmetrically fixed to the bottom of the U-shaped plate, and two T-shaped slide grooves adapted to the T-shaped slide bars are symmetrically provided on the top of the frame platform.
[0012] (III) Beneficial effects
[0013] Compared with the prior art, the utility model provides a building material screening device, which has the following beneficial effects:
[0014] The utility model can realize the reciprocating motion of the sand screening box by arranging a frame platform, supporting legs, U-shaped plates, driving components, insert blocks, surrounding frames and locking components, thereby achieving the effect of vibrating and screening sand. The screening is more sufficient, qualified cement will not be retained, and the screening effect is better. When there are many impurities in the sand screening box, the surrounding frame can be removed from the U-shaped plate more conveniently and quickly, thereby facilitating the pouring out of the impurities inside the sand screening box, and the use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the frame structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the U-shaped plate structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model;
[0019] Figure 5 This is a schematic diagram of the L-shaped block structure of the utility model;
[0020] Figure 6 This is a schematic diagram of the structure of the fixed block of the utility model.
[0021] In the figure: 1. frame; 2. supporting leg; 3. U-shaped plate; 4. driving assembly; 401. L-shaped seat; 402. motor; 403. disc; 404. connecting rod; 5. plug-in block; 6. clamping hole; 7. surrounding frame; 8. sand screening box; 9. clamping assembly; 901. fixing block; 902. guide rod; 903. L-shaped block; 904. spring; 905. clamping rod; 906. through hole; 907. guide hole; 10. T-shaped slide bar; 11. T-shaped slide groove; 12. plug-in hole. 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] Example
[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a building material screening device proposed in one embodiment of the utility model comprises a frame platform 1, support legs 2 are fixed at the four corners of the bottom of the frame platform 1, a U-shaped plate 3 is slidably connected to the top of the frame platform 1, a driving assembly 4 for driving the U-shaped plate 3 to reciprocate in the horizontal direction is installed at one end of the frame platform 1, four plug blocks 5 are symmetrically fixed on the top of the U-shaped plate 3, and the surfaces of the plug blocks 5 are provided with card holes 6, a surrounding frame 7 is attached to the top of the U-shaped plate 3, and the four corners of the surrounding frame 7 are provided with plug holes 12 adapted to the plug blocks 5, a sand screening box 8 is fixed inside the surrounding frame 7, and the top of the surrounding frame 7 Both ends are provided with a clamping assembly 9 for clamping two clamping holes 6; when in use, the cement containing impurities is poured into the sand screening box 8, and the driving assembly 4 is used to drive the U-shaped plate 3 to reciprocate on the frame platform 1, so as to play the role of vibrating and screening sand. Qualified cement will leak out of the sand screening box 8, and impurities will be retained in the sand screening box 8. When there are many impurities in the sand screening box 8, the two clamping assemblies 9 can be used to release the restriction on the clamping holes 6 on the four plug-in blocks 5, so that the surrounding frame 7 can be removed from the U-shaped plate 3, so that the impurities in the sand screening box 8 can be poured out.
[0025] like Figure 1 As shown, in some embodiments, the driving assembly 4 includes an L-shaped seat 401 fixed to the bottom of one end of the frame platform 1, a motor 402 is fixed to the top of the L-shaped seat 401, a disc 403 is fixed to the output shaft of the motor 402, the surface of the disc 403 is rotatably connected to a connecting rod 404 through a pin, and one end of the connecting rod 404 is rotatably connected to the top of one end of the U-shaped plate 3 through a pin; when it is necessary to drive the U-shaped plate 3 to reciprocate on the frame platform 1, the motor 402 can be started, the motor 402 can drive the disc 403 to rotate, the disc 403 can drive the connecting rod 404 to move, and the connecting rod 404 can drive the U-shaped plate 3 to reciprocate.
[0026] like Figure 1 , Figure 3 and Figure 4As shown, in some embodiments, the locking assembly 9 includes two fixing blocks 901 symmetrically fixed on the top of the surrounding frame 7, a guide rod 902 is fixed between the two fixing blocks 901, and two L-shaped blocks 903 are symmetrically slidably connected to the surface of the guide rod 902. A spring 904 is fixed to one side wall of the L-shaped block 903, and one end of the spring 904 is fixedly connected to one side wall of the adjacent fixing block 901. A clamping rod 905 adapted to the clamping hole 6 is fixed to one side wall of the L-shaped block 903, and one end of the clamping rod 905 slides. It penetrates the side walls of the adjacent fixed blocks 901 and slides through the corresponding clamping holes 6; when the impurities in the sand screening box 8 need to be poured out, the two L-shaped blocks 903 can be squeezed toward the middle. At this time, the spring 904 will be stretched, and the L-shaped block 903 can drive the corresponding clamping rod 905 to move toward the middle, so that it can be detached from the corresponding clamping hole 6, and then the L-shaped block 903 is lifted up to remove the frame 7 from the U-shaped plate 3, so that the impurities retained in the sand screening box 8 can be poured out.
[0027] like Figure 4 , Figure 5 and Figure 6 As shown, in some embodiments, the side wall of the fixed block 901 is provided with a through hole 906 adapted to the clamping rod 905, so that the clamping rod 905 can smoothly pass through the corresponding fixed block 901, and the side wall of the L-shaped block 903 is provided with a guide hole 907 adapted to the guide rod 902, so that the L-shaped block 903 can smoothly slide on the surface of the guide rod 902.
[0028] like Figure 2 and Figure 3 As shown, in some embodiments, two T-shaped slide bars 10 are symmetrically fixed to the bottom of the U-shaped plate 3, and two T-shaped slide grooves 11 adapted to the T-shaped slide bars 10 are symmetrically opened on the top of the frame platform 1, so that the U-shaped plate 3 can slide stably on the frame platform 1.
[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A building material screening device, comprising a frame (1), characterized in that: Support legs (2) are fixed at the four corners of the bottom of the frame platform (1); a U-shaped plate (3) is slidably connected to the top of the frame platform (1); a driving component (4) for driving the U-shaped plate (3) to reciprocate in the horizontal direction is installed at one end of the frame platform (1); four plug blocks (5) are symmetrically fixed on the top of the U-shaped plate (3); the surfaces of the plug blocks (5) are provided with clamping holes (6); a surrounding frame (7) is attached to the top of the U-shaped plate (3); four corners of the surrounding frame (7) are provided with plug holes (12) adapted to the plug blocks (5); a sand screening box (8) is fixed inside the surrounding frame (7); and clamping components (9) for clamping the two clamping holes (6) are provided at both ends of the top of the surrounding frame (7).
2. A building material screening device according to claim 1, characterized in that: The driving assembly (4) comprises an L-shaped seat (401) fixed at the bottom of one end of the frame platform (1); a motor (402) is fixed at the top of the L-shaped seat (401); a disc (403) is fixed to the output shaft of the motor (402); a connecting rod (404) is rotatably connected to the surface of the disc (403) via a pin; and one end of the connecting rod (404) is rotatably connected to the top of one end of the U-shaped plate (3) via a pin.
3. A building material screening device according to claim 1, characterized in that: The locking assembly (9) comprises two fixing blocks (901) symmetrically fixed on the top of the surrounding frame (7), a guide rod (902) being fixed between the two fixing blocks (901), two L-shaped blocks (903) being symmetrically slidably connected to the surface of the guide rod (902), a spring (904) being fixed to one side wall of each L-shaped block (903), one end of each spring (904) being fixedly connected to one side wall of an adjacent fixing block (901), a locking rod (905) being fixed to one side wall of each L-shaped block (903) being matched with a locking hole (6), one end of each locking rod (905) being slidably passed through the side wall of an adjacent fixing block (901) and then slidably passed through the corresponding locking hole (6).
4. A building material screening device according to claim 3, characterized in that: The side wall of the fixed block (901) is provided with a through hole (906) adapted to the clamping rod (905), and the side wall of the L-shaped block (903) is provided with a guide hole (907) adapted to the guide rod (902).
5. A building material screening device according to claim 1, characterized in that: Two T-shaped slide bars (10) are symmetrically fixed on the bottom of the U-shaped plate (3), and two T-shaped slide grooves (11) adapted to the T-shaped slide bars (10) are symmetrically opened on the top of the frame platform (1).