Concrete raw material screening equipment
By using a combination of screening mechanism and disturbance mechanism in the concrete raw material screening equipment, and using the disturbance frame to disturb the concrete raw materials, the problem of large particle aggregates affecting the screening efficiency in the existing equipment is solved, and efficient concrete raw materials are achieved. Sieve.
Patent Information
- Application Number
- CN202421338708.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-01-21
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When existing vibrating screening equipment screens concrete raw materials, large-grain aggregates affect the drop of small-grain aggregates, resulting in low screening rate, which has the problem of insufficient use.
A kind of concrete raw material screening equipment is designed. The screening mechanism is combined with the disturbance mechanism, and the disturbance frame is used to disturb the concrete raw materials on the screen, so that the large-grained aggregates are continuously disturbed to avoid affecting the screening of small-grained aggregates.
Through the continuous disturbance of the disturbance mechanism, efficient screening of concrete raw materials is achieved. Large particle aggregates will not affect the passage of small particle aggregates. The device structure is simple and the screening efficiency is very high.
Smart Images
Figure CN222369537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete screening, in particular to a concrete raw material screening device. Background Art
[0002] Concrete refers to cement as the binder, sand and stone as aggregates, mixed with water (which may contain admixtures and additives) in a certain proportion and stirred. It is also called ordinary concrete and is widely used in civil engineering.
[0003] The existing concrete raw materials need to be screened for aggregates when used. Since the widely used vibration screening has the problem that large aggregates affect the falling of small aggregates when used, the actual screening rate is not high and there are certain shortcomings in its use. For this reason, we propose a concrete raw material screening equipment. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a concrete raw material screening device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A concrete raw material screening device comprises a base, a support column is fixed on the top of the base, a support frame is installed on the side of the support column, a screening mechanism is installed on the support frame, the screening mechanism is used to screen the concrete raw materials, a hydraulic cylinder is installed on the top of the support column, a disturbance mechanism is installed on the top of the piston rod of the hydraulic cylinder, the disturbance mechanism is inserted into the interior of the screening mechanism, and the disturbance mechanism is used to screen auxiliary concrete raw materials.
[0007] Preferably, the screening mechanism includes an outer tank body fixed on a supporting frame, a feeding port is installed at the bottom of the outer tank body, a connecting frame is installed on the outer tank body, a mounting plate is installed on the connecting frame by bolts, an inner tank body is installed on the mounting plate, a screen is installed inside the inner tank body, a first rotating shaft is rotatably connected to the screen, a spline sleeve is installed on the top of the first rotating shaft, and a scraper is installed at the bottom of the first rotating shaft.
[0008] Preferably, the first rotating shaft is connected to the disturbance mechanism via a spline sleeve, the screen is rotationally connected to the disturbance mechanism, and the scraper is slidingly connected to the inner wall of the outer tank body.
[0009] Preferably, the disturbance mechanism includes a fixed plate fixed on the piston rod of the hydraulic cylinder, a shell is installed at the bottom of the fixed plate, a gear ring is fixed inside the shell, a turntable is rotatably connected to the bottom of the shell, a second rotating shaft and a disturbance frame are rotatably connected to the turntable, a first gear is installed on the top of the second rotating shaft, a second gear is installed on the top of the disturbance frame, and a motor is installed on the top of the fixed plate, the motor is inserted into the interior of the shell and connected to the second rotating shaft.
[0010] Preferably, the first gear and the second gear are in meshing transmission, the second gear and the gear ring are in meshing transmission, the second rotating shaft is connected to the spline sleeve through a spline, and the disturbance frame and the screen are rotatably connected.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The utility model sets a screening mechanism in cooperation with a disturbance mechanism, and utilizes a disturbance frame in the disturbance mechanism to continuously disturb the concrete raw materials on the screen, so that the concrete raw materials are screened through the screen, and large-particle aggregates are continuously disturbed by the disturbance frame, so that the large-particle aggregates do not affect the small-particle skeletons from passing through the screen. The device has a simple structure and very high screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural schematic diagram of a concrete raw material screening device proposed by the utility model;
[0014] Figure 2 for Figure 1 A cross-sectional view of the middle screening mechanism;
[0015] Figure 3 for Figure 1 Cross-sectional view of the screening mechanism.
[0016] In the figure: 1 base, 2 support column, 3 support frame, 4 screening mechanism, 41 outer tank body, 42 feeding port, 43 connecting frame, 44 mounting plate, 45 inner tank body, 46 screen, 47 first rotating shaft, 48 spline sleeve, 49 scraper, 5 hydraulic cylinder, 6 disturbance mechanism, 61 fixed plate, 62 housing, 63 gear ring, 64 turntable, 65 motor, 66 second rotating shaft, 67 first gear, 68 disturbance frame, 69 second gear. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0018] Reference Figure 1-3A concrete raw material screening device includes a base 1, a support column 2 is fixed on the top of the base 1, a support frame 3 is installed on the side of the support column 2, a screening mechanism 4 is installed on the support frame 3, the screening mechanism 4 is used to screen the concrete raw materials, a hydraulic cylinder 5 is installed on the top of the support column 2, a disturbance mechanism 6 is installed on the top of the piston rod of the hydraulic cylinder 5, the disturbance mechanism 6 is inserted into the interior of the screening mechanism 4, and the disturbance mechanism 6 is used to screen the auxiliary concrete raw materials.
[0019] As an embodiment, the screening mechanism 4 includes an outer tank body 41 fixed on the support frame 3, a feed port 42 is installed at the bottom of the outer tank body 41, a connecting frame 43 is installed on the outer tank body 41, a mounting plate 44 is installed on the connecting frame 43 by bolts, an inner tank body 45 is installed on the mounting plate 44, a screen 46 is installed inside the inner tank body 45, a first rotating shaft 47 is rotatably connected to the screen 46, a spline sleeve 48 is installed on the top of the first rotating shaft 47, a scraper 49 is installed at the bottom of the first rotating shaft 47, the first rotating shaft 47 is connected to the disturbance mechanism 6 through the spline sleeve 48, the screen 46 is rotatably connected to the disturbance mechanism 6, and the scraper 49 is slidably connected to the inner wall of the outer tank body 41.
[0020] As an embodiment, the disturbance mechanism 6 includes a fixed plate 61 fixed on the piston rod of the hydraulic cylinder 5, a housing 62 is installed at the bottom of the fixed plate 61, a gear ring 63 is fixed inside the housing 62, a turntable 64 is rotatably connected to the bottom of the housing 62, a second rotating shaft 66 and a disturbance frame 68 are rotatably connected to the turntable 64, a first gear 67 is installed on the top of the second rotating shaft 66, a second gear 69 is installed on the top of the disturbance frame 68, a motor 65 is installed on the top of the fixed plate 61, the motor 65 is inserted into the interior of the housing 62 and connected to the second rotating shaft 66 The first gear 67 and the second gear 69 are meshingly driven, the second gear 69 and the gear ring 63 are meshingly driven, the second rotating shaft 66 is connected to the spline sleeve 48 through a spline, the disturbance frame 68 and the screen 46 are rotatably connected, and the screening mechanism is arranged to cooperate with the disturbance mechanism, and the disturbance frame in the disturbance mechanism is used to continuously disturb the concrete raw materials on the screen, and then the concrete raw materials are screened through the screen, and the large particles of aggregate are continuously disturbed by the disturbance frame, so that the large particles of aggregate will not affect the small particles of skeleton passing through the screen, the device structure is simple, and the screening efficiency is very high.
[0021] When in use, the device is connected to a power source, and the hydraulic cylinder 5 is started. The piston rod of the hydraulic cylinder 5 drives the disturbance mechanism 6 downward, so that the second rotating shaft 66 in the disturbance mechanism 6 is inserted into the spline sleeve 48. At this time, the bottom of the disturbance frame 68 contacts the top of the screen 46. Then, the concrete raw materials to be screened are put into the inner tank 45, and the motor 65 is started. The output shaft of the motor 65 drives the second rotating shaft 66 to rotate, and the second rotating shaft 66 drives the first gear 67 to rotate. The first gear 67 drives the disturbance frame 68 to rotate through the meshing transmission with the second gear 69. At this time, the second gear 69 is engaged with the ring gear. The meshing transmission of 63 drives the turntable 64 to rotate, and then the turntable 64 drives the disturbance frame 68 to rotate comprehensively on the screen 46. At this time, the second rotating shaft 66 drives the first rotating shaft 47 to rotate through the spline sleeve 48, and the first rotating shaft 47 drives the scraper 49 to slide on the inner wall of the outer tank body 41. At this time, under the disturbance of the disturbance frame 68, the large aggregate and the small aggregate in the concrete raw material are screened through the screen 46, and the small aggregate falls into the inner part of the outer tank body 41 to complete the falling. The large aggregate is differently disturbed by the disturbance frame 68, which can effectively prevent the large aggregate from affecting the screening of the upper small aggregate.
[0022] To sum up, compared with the prior art, the utility model sets a screening mechanism in conjunction with a disturbance mechanism, and utilizes a disturbance frame in the disturbance mechanism to continuously disturb the concrete raw materials on the screen, and then the concrete raw materials are screened through the screen, and the large-particle aggregate is continuously disturbed by the disturbance frame, so that the large-particle aggregate does not affect the small-particle skeleton passing through the screen. The device structure is simple and the screening efficiency is very high.
[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A concrete raw material screening device, comprising a base (1), characterized in that: A support column (2) is fixed on the top of the base (1); a support frame (3) is installed on the side of the support column (2); a screening mechanism (4) is installed on the support frame (3); the screening mechanism (4) is used to screen concrete raw materials; a hydraulic cylinder (5) is installed on the top of the support column (2); a disturbance mechanism (6) is installed on the top of the piston rod of the hydraulic cylinder (5); the disturbance mechanism (6) is inserted into the interior of the screening mechanism (4); the disturbance mechanism (6) is used to screen auxiliary concrete raw materials.
2. The concrete raw material screening equipment according to claim 1, characterized in that: The screening mechanism (4) comprises an outer tank body (41) fixed on a support frame (3), a feed port (42) being installed at the bottom of the outer tank body (41), a connecting frame (43) being installed on the outer tank body (41), a mounting plate (44) being installed on the connecting frame (43) by means of bolts, an inner tank body (45) being installed on the mounting plate (44), a screen (46) being installed inside the inner tank body (45), a first rotating shaft (47) being rotatably connected to the screen (46), a spline sleeve (48) being installed at the top of the first rotating shaft (47), and a scraper (49) being installed at the bottom of the first rotating shaft (47).
3. The concrete raw material screening equipment according to claim 2, characterized in that: The first rotating shaft (47) is connected to the disturbance mechanism (6) via a spline sleeve (48), the screen (46) is rotationally connected to the disturbance mechanism (6), and the scraper (49) is slidingly connected to the inner wall of the outer tank body (41).
4. The concrete raw material screening equipment according to claim 3, characterized in that: The disturbance mechanism (6) comprises a fixed plate (61) fixed on the piston rod of the hydraulic cylinder (5), a housing (62) is installed at the bottom of the fixed plate (61), a gear ring (63) is fixed inside the housing (62), a turntable (64) is rotatably connected to the bottom of the housing (62), a second rotating shaft (66) and a disturbance frame (68) are rotatably connected to the turntable (64), a first gear (67) is installed at the top of the second rotating shaft (66), a second gear (69) is installed at the top of the disturbance frame (68), and a motor (65) is installed at the top of the fixed plate (61), the motor (65) is inserted into the interior of the housing (62) and connected to the second rotating shaft (66).
5. The concrete raw material screening equipment according to claim 4, characterized in that: The first gear (67) and the second gear (69) are in meshing transmission, the second gear (69) and the gear ring (63) are in meshing transmission, the second rotating shaft (66) is connected to the spline sleeve (48) through a spline, and the disturbance frame (68) and the screen (46) are in rotational connection.