Concrete gravel screening device
By designing a concrete sand and gravel screening device including a shell, a screen cylinder and a screen layer, the problem of gravel splashing in the existing technology is solved, effective blocking of gravel and convenient discharge of screened materials are achieved, and improved safety and efficiency.
Patent Information
- Application Number
- CN202421064098.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The existing concrete sand and gravel screening devices lack effective protective structures, which leads to gravel being prone to splashing everywhere, endangering staff and affecting use.
A concrete sandstone screening device including the shell, sieve tube and sieve layer layer is designed. The inside of the shell is equipped with a rotating sieve and sieve mesh layer, and the inlet bucket and guide bucket are set on the top and bottom of the shell. Use the structure of jacks, baffles, and handle to achieve effective blocking of gravel and the convenient emissions of screening.
The design of the shell effectively blocks the gravel splashed from the screen cylinder, reduces the risk of gravel splashing around, and improves the safety of workers. At the same time, the screen layer is conveniently disassembled and the effective diversion of the hopper is improved. Improve the screening efficiency and ease of use of the equipment.
Smart Images
Figure CN222385236U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete sand and gravel screening equipment, in particular to a concrete sand and gravel screening device. Background Art
[0002] Concrete is usually made of cement as a cementitious material, and is mixed with sand and water in a certain proportion. It is widely used in construction industries such as civil engineering. When sand and gravel are used in concrete mixing production, the concrete sand and gravel need to be screened; Patent No. CN202222203336.0 discloses a concrete sand and gravel drum screening device, which drives the first transmission gear to rotate through the servo motor output shaft, and then drives the screening net to rotate, so as to achieve the effect of automatically screening the concrete sand and gravel raw materials, and the drum screening method can screen all sand and gravel, improve the screening efficiency, and improve the screening effect; However, since there is no good protective structure on the outside of the screen for screening concrete sand and gravel, the gravel stuck in the mesh of the screen is easy to splash around with the rotation of the screen, which is easy to cause certain harm to the staff around the screening equipment and affect the use. To this end, we propose a concrete sand and gravel screening device. Utility Model Content
[0003] In view of the problems in the prior art, the utility model provides a concrete sand and gravel screening device.
[0004] The technical solution adopted by the utility model to solve the technical problem is a concrete sand and gravel screening device, comprising a frame, a shell for protection is installed on the top surface of the frame through bolts, and a screen cylinder for concrete sand and gravel screening is rotatably installed inside the shell, and a screen layer for sand and gravel screening is installed inside the screen cylinder;
[0005] The top feed end of the shell is equipped with a feed hopper for guiding materials, and the bottom discharge end of the shell is equipped with a guide hopper, the connection between the guide hopper and the shell and the connection between the feed hopper and the shell are both provided with sockets for connection, and baffles for sealing are inserted into the inner side of the sockets, grooves for connection are provided on both side surfaces of the inner periphery of the sockets, and convex strips for fitting and connecting with the grooves are integrally constructed on both side surfaces of the outer periphery of the baffles, and a handle for lifting is provided on one end of the baffle located on the outer side of the socket.
[0006] By adopting the above technical solution, when using the concrete sand and gravel screening equipment to screen sand and gravel, the self-contained driving structure can be used to drive the screen drum inside the shell to rotate, so that the screen drum drives the screen layer to rotate and screen the sand and gravel. At the same time, due to the shell, it is easy to block the gravel splashing out of the screen drum, thereby reducing the situation where the gravel splashes everywhere, and the screen layer inside the screen drum is easy to disassemble and replace;
[0007] When it is necessary to use concrete sand and gravel screening equipment to screen sand and gravel, the sand and gravel raw materials can be conveniently added from the feed hopper on the top of the outer shell, so that the sand and gravel raw materials can enter the inner side of the screen cylinder for screening. At the same time, the screened raw materials can conveniently fall into the guide hopper under the obstruction of the outer shell, and the guide hopper is convenient for guiding the screened sand and gravel to be discharged to a designated location. At the same time, the baffle is connected to the socket on the feed hopper or the guide hopper, which is convenient for sealing the feed hopper and the guide hopper, and the adjustment is simple and convenient.
[0008] Specifically, a cover plate that can be used for maintenance is assembled on the outer peripheral side wall surface of the housing through bolts.
[0009] By adopting the above technical solution, the cover plate is easy to disassemble and assemble, and the structural components inside the shell are easy to maintain.
[0010] Specifically, an observation window is installed on the outer side wall surface of the cover plate.
[0011] By adopting the above technical solution, the observation window makes it convenient for the staff to observe the operation of the inner structure of the shell.
[0012] Specifically, a sealing plate that can be used for sealing is hingedly connected to the discharge end of the shell through a hinge.
[0013] By adopting the above technical solution, the sealing plate is easy to open and close, which is convenient for sealing the discharge end of the shell, and is easy to open and close, so that the gravel remaining after screening the sand and gravel can be discharged.
[0014] Specifically, the outer wall surface of the sealing plate and the outer wall surface of the shell are both equipped with pin seats for connection through bolts, and a pin for limiting is inserted between the two groups of the pin seats.
[0015] By adopting the above technical solution, the latch pin is conveniently connected to the pin seat, which facilitates fixing the position of the sealing plate, so that the discharge end can be blocked when the screening equipment is not in use.
[0016] Specifically, a trolley located at the bottom of the guide hopper is arranged inside the frame.
[0017] By adopting the above technical solution, the trolley can conveniently collect the screened sand and gravel, and the trolley is easy to move and convenient to transport the sand and gravel.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] 1. The technical solution of this application, through the design of the outer shell, the screen drum and the screen layer, can use the self-contained driving structure to drive the screen drum inside the outer shell to rotate when using the concrete sand and gravel screening equipment to screen the sand and gravel, so that the screen drum drives the screen layer to rotate and screen the sand and gravel. At the same time, due to the outer shell, it is easy to block the gravel splashing out of the screen drum, thereby reducing the situation where the gravel splashes everywhere, and the screen layer inside the screen drum is easy to disassemble and replace.
[0020] 2. The technical solution of the present application, through the design of the guide hopper, feed hopper, socket, baffle, handle, convex strip and groove, can conveniently add the sand and gravel raw materials from the feed hopper on the top of the outer shell when the concrete sand and gravel screening equipment is needed to screen the sand and gravel, so that the sand and gravel raw materials can enter the inner side of the screen cylinder for screening, and the screened raw materials can conveniently fall into the guide hopper under the obstruction of the outer shell, and the guide hopper can conveniently guide the screened sand and gravel to a designated position, and the baffle and the socket on the feed hopper or the guide hopper are mutually plugged, which is convenient for sealing the feed hopper and the guide hopper, and the adjustment is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0022] Figure 1 It is an axonometric drawing of the utility model;
[0023] Figure 2 It is a schematic diagram of the cross-section of the inner structure of the shell of the utility model;
[0024] Figure 3 It is an exploded view of the connection structure between the baffle and the socket of the utility model;
[0025] In the figure: 1. frame; 2. outer shell; 3. screen cylinder; 4. screen layer; 5. guide hopper; 6. feed hopper; 7. insertion hole; 8. baffle; 9. handle; 10. convex strip; 11. groove; 12. cover plate; 13. observation window; 14. sealing plate; 15. pin seat; 16. latch; 17. trolley. DETAILED DESCRIPTION
[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0027] See also Figure 1-3The embodiment of the utility model provides a technical solution: a concrete sand and gravel screening device, comprising a frame 1, a top surface of the frame 1 is equipped with a protective shell 2 by bolts, and a screen drum 3 for concrete sand and gravel screening is rotatably installed on the inner side of the shell 2, and a screen layer 4 for sand and gravel screening is equipped on the inner side of the screen drum 3; a feed hopper 6 for guiding materials is equipped at the top feeding end of the shell 2, and a guide hopper 5 is equipped at the bottom discharge end of the shell 2, and a plug hole 7 for connection is provided at the connection between the guide hopper 5 and the shell 2 and at the connection between the feed hopper 6 and the shell 2, and a baffle 8 for blocking is inserted into the inner side of the plug hole 7, grooves 11 for connection are provided on both side edge surfaces of the inner periphery of the plug hole 7, and convex strips 10 for fitting and connecting with the grooves 11 are integrally constructed on both side edge surfaces of the outer periphery of the baffle 8, and a handle 9 for lifting is provided at one end of the baffle 8 located outside the plug hole 7.
[0028] When using the concrete sand and gravel screening equipment to screen sand and gravel, the self-contained driving structure can be used to drive the screen drum 3 inside the shell 2 to rotate, so that the screen drum 3 drives the screen layer 4 to rotate and screen the sand and gravel. At the same time, due to the shell 2, it is convenient to block the gravel splashing out of the screen drum 3, thereby reducing the situation where the gravel splashes everywhere, and the screen layer 4 inside the screen drum 3 is easy to disassemble and replace;
[0029] When it is necessary to use concrete sand and gravel screening equipment to screen sand and gravel, it is convenient to add the sand and gravel raw materials from the feed hopper 6 on the top of the outer shell 2, so that the sand and gravel raw materials can enter the inner side of the screen cylinder 3, which is convenient for screening. At the same time, the screened raw materials can fall into the guide hopper 5 under the obstruction of the outer shell 2, and the guide hopper 5 is convenient for guiding the screened sand and gravel to be discharged to the designated position. At the same time, the baffle 8 is connected with the socket 7 on the feed hopper 6 or the guide hopper 5, which is convenient for sealing the feed hopper 6 and the guide hopper 5, and the adjustment is simple and convenient.
[0030] like Figure 1 and Figure 2 As shown, a cover plate 12 for maintenance is assembled on the outer peripheral side wall surface of the housing 2 by bolts.
[0031] When in use, the cover plate 12 is easy to disassemble and assemble, so that the structural components inside the housing 2 can be easily maintained.
[0032] like Figure 1 and Figure 2 As shown, an observation window 13 is provided on the outer side wall surface of the cover plate 12 .
[0033] When in use, the observation window 13 allows the staff to observe the operation of the inner structure of the housing 2 .
[0034] like Figure 1As shown, a sealing plate 14 which can be used for sealing is hingedly connected to the discharge end of the housing 2 via a hinge.
[0035] When in use, the sealing plate 14 is convenient to open and close, so as to seal the discharge end of the housing 2 and to open and close so that the gravel remaining after screening the sand and gravel can be discharged.
[0036] like Figure 1 As shown, the outer wall surface of the sealing plate 14 and the outer wall surface of the housing 2 are both assembled with pin seats 15 for connection through bolts, and a pin 16 for limiting is inserted between the two sets of pin seats 15.
[0037] When in use, the latch pin 16 is conveniently connected to the pin seat 15, so as to fix the position of the sealing plate 14, so that the discharge end can be blocked when the screening device is not in use.
[0038] like Figure 1 As shown, a trolley 17 located at the bottom of the guide hopper 5 is arranged inside the frame 1.
[0039] When in use, the trolley 17 is convenient for collecting the screened sand and gravel, and the trolley 17 is convenient for moving and transporting the sand and gravel.
[0040] The working principle and use process of the utility model are as follows: when in use, first install the corresponding structural components in a suitable position. When using the concrete sand and gravel screening equipment to screen the sand and gravel, the self-contained driving structure can be used to drive the screen drum 3 inside the outer shell 2 to rotate, so that the screen drum 3 drives the screen layer 4 to rotate and screen the sand and gravel. At the same time, due to the shell 2, it is convenient to block the gravel splashing out of the screen drum 3, thereby reducing the situation where the gravel splashes everywhere, and the screen layer 4 on the inside of the screen drum 3 is convenient to disassemble and assemble, so it is convenient to replace it. When it is necessary to use the concrete sand and gravel screening equipment to screen the sand and gravel, it is convenient to add the sand and gravel raw materials from the feed hopper 6 on the top of the shell 2, so that the sand and gravel raw materials can enter the inside of the screen drum 3, which is convenient for screening. At the same time, the screened raw materials are convenient to fall into the guide hopper 5 under the obstruction of the shell 2, and the guide hopper 5 is convenient for guiding the screened sand and gravel to be discharged to the designated position. At the same time, the baffle 8 is connected with the socket 7 on the feed hopper 6 or the guide hopper 5, which is convenient for sealing the feed hopper 6 and the guide hopper 5, and the adjustment is simple and convenient.
[0041] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.
Claims
1. A concrete sand and gravel screening device, characterized in that: The machine comprises a frame (1), the top surface of the frame (1) is equipped with a protective shell (2) via bolts, a screen drum (3) for concrete sand and gravel screening is rotatably mounted inside the shell (2), and a screen layer (4) for sand and gravel screening is installed inside the screen drum (3); The top feeding end of the shell (2) is equipped with a feed hopper (6) for guiding materials, and the bottom discharging end of the shell (2) is equipped with a guide hopper (5). The connection point between the guide hopper (5) and the shell (2) and the connection point between the feed hopper (6) and the shell (2) are both provided with a plug hole (7) for connection, and a baffle (8) for blocking is inserted into the inner side of the plug hole (7). The inner side surfaces of the plug hole (7) are both provided with grooves (11) for connection, and the outer side surfaces of the baffle (8) are both integrally constructed with convex strips (10) that are matched and connected with the grooves (11), and the end of the baffle (8) located outside the plug hole (7) is equipped with a handle (9) for lifting.
2. A concrete sand and gravel screening device according to claim 1, characterized in that: A cover plate (12) that can be used for maintenance is assembled on the outer peripheral side wall surface of the housing (2) by means of bolts.
3. A concrete sand and gravel screening device according to claim 2, characterized in that: An observation window (13) is mounted on the outer side wall surface of the cover plate (12).
4. A concrete sand and gravel screening device according to claim 1, characterized in that: The discharge end of the housing (2) is hingedly connected with a sealing plate (14) which can be used for sealing.
5. A concrete sand and gravel screening device according to claim 4, characterized in that: The outer wall surface of the sealing plate (14) and the outer wall surface of the outer shell (2) are both assembled with pin seats (15) for connection by means of bolts, and a latch pin (16) for limiting is inserted between the two groups of the pin seats (15).
6. A concrete sand and gravel screening device according to claim 1, characterized in that: A trolley (17) located at the bottom of the guide hopper (5) is arranged inside the frame (1).
Citation Information
Patent Citations
Concrete gravel drum-type screening device
CN218282541U