Building sand screening device capable of preventing blockage

By introducing motor-driven anti-blocking components and collection components into the sand screening device, the problem of sand blockage is solved, screening efficiency and working efficiency are improved, and the automatic discharge of sand and the practicality of the device is realized.

CN222343359UActive Publication Date: 2025-01-14HENAN RENXING CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202420623014.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-01-14
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The existing sand screening devices are prone to blockage of the lower hopper when the sand and soil have high water content or soil content, resulting in reduced screening efficiency and increased work difficulty.

Method used

A sand screening device for construction is designed. By installing a motor, a belt drive system and anti-blocking components on the top of the body, the rotating shaft drives the anti-blocking plate to slide, and the knocking block generates vibration to loosely adhere to the sand. , and automatically discharge sand by collecting components using gravity and spring mechanisms.

Benefits of technology

It effectively prevents sand blockage, improves screening efficiency and work efficiency, reduces the need for manual cleaning, and improves the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sand screening devices, and discloses a building anti-blocking sand screening device which comprises a machine body, a fixing frame is fixedly installed at the top of the machine body, a motor is fixedly installed on the surface of the fixing frame, the surface of an output shaft of the motor is in transmission connection with a rotating rod through a belt, and a screening shaft is fixedly installed on the surface of the rotating rod. According to the building sand screening device capable of preventing blockage, when the movable shaft rotates, the movable block can be driven to rotate, when the movable block rotates, the movable plate can be driven to rotate, and therefore the movable plate drives the rotating shaft to slide downwards; when the rotating shaft slides downwards in the fixing block, the anti-blocking rods on the surface of the rotating shaft can be driven to slide downwards, and when the anti-blocking rods slide downwards, the knocking blocks can be driven to slide downwards, so that the surface of the screen shaft is knocked to generate vibration, wet sand adhered to the interior of the screen shaft is loosened, the screening efficiency is improved, and the working difficulty is reduced.
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Description

Technical Field

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

[0002] Sand screening device is a device used to screen sand. It usually consists of a metal mesh with sieve holes. Sand is put into the device. Through vibration or rotation, the sieve will filter out larger particles, while finer sand will fall into the container below through the sieve holes. Sand screening device is widely used in construction engineering, road construction, sand and stone processing and other fields to grade sand and remove impurities. It can improve work efficiency, reduce labor costs, and also help protect the environment.

[0003] However, the existing sand generally has a high water and soil content. When the screening device for construction is used, the lower hopper is prone to blockage, which requires manual cleaning or knocking, seriously affecting the screening efficiency and increasing the difficulty of the work. Utility Model Content

[0004] The utility model aims to provide a sand screening device for construction which can prevent clogging, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of anti-blocking sand screening device for construction, comprising a machine body, a fixed frame is fixedly installed on the top of the machine body, a motor is fixedly installed on the surface of the fixed frame, a rotating rod is connected to the surface of the motor output shaft through a belt drive, a screen shaft is fixedly installed on the surface of the rotating rod, the screen shaft is rotatably connected to the top of the machine body, a feeding port is fixedly installed on the left side of the machine body, a collecting assembly is arranged at the bottom of the machine body, when the movable shaft rotates, the movable block can be driven to rotate, when the movable block rotates, the movable plate can be driven to rotate, the movable plate drives the rotating shaft to slide downward, when the rotating shaft slides downward inside the fixed block, the anti-blocking rod on the surface of the rotating shaft can be driven to slide downward, when the anti-blocking rod slides downward, the knocking block can be driven to slide downward, thereby knocking on the surface of the screen shaft to generate vibration, an anti-blocking assembly is arranged on the top of the machine body, and the anti-blocking assembly comprises:

[0006] A fixed plate, the fixed plate is fixedly mounted on the top of the fixed frame, the left side of the fixed plate is rotatably connected with a movable shaft, and the movable shaft is connected to the surface of the rotating rod through a conveyor belt transmission;

[0007] A movable block, the movable block is fixedly mounted on the surface of the movable shaft, and a movable plate is hingedly connected to the surface of the movable block;

[0008] A fixed block is fixedly installed on the surface of the fixed plate, a rotating shaft is slidably connected inside the fixed block, the rotating shaft is hinged on the surface of the movable plate, an anti-blocking plate is fixedly installed on the left side of the rotating shaft, and a knocking block is fixedly installed inside the anti-blocking plate, so as to loosen the wet sand material adhering to the inside of the screen shaft, improve the screening efficiency and reduce the difficulty of work.

[0009] Preferably, the collecting assembly comprises: a slide plate, which is slidably connected to the inside of the machine body, a collecting block is placed on the top of the slide plate, and a pressure plate is fixedly installed on the left side of the slide plate.

[0010] Preferably, a push plate is hinged on the left side of the machine body, a bending spring is fixedly installed on the bottom of the push plate, and the bending spring is fixedly installed on the inner wall of the machine body.

[0011] Preferably, a push rod is slidably connected to the left side of the body, the push rod passes through the body, a fixed spring is fixedly installed on the surface of the push rod, and the fixed spring is fixedly installed on the outer wall of the body.

[0012] Preferably, an inclined block is fixedly installed on the right side of the body, and the screened sand will fall into the collecting block inside the body. When the collecting block is full, gravity will be used to press the slide plate to slide downward, and when the slide plate slides downward, it will bring the pressure plate downward. When the pressure plate slides downward, it will resist the push plate to move toward one end close to the body. When the push plate is active, it will resist the push rod to move toward the surface close to the collecting block, thereby pushing the collecting block to move toward the outside of the body. When the collecting block is pushed to the outside of the body, it will slide downward through the arc of the inclined block to realize discharging, so that the fully collected sand can be discharged in time, thereby improving the working efficiency and the practicality of the sand screening device.

[0013] Preferably, a sliding groove is provided on the surface of the fixed block, which can drive the anti-blocking plate to slide on the surface of the fixed block, and a hole is provided on the top of the fixed block, which can drive the rotating shaft to slide inside the fixed block.

[0014] Preferably, a groove is provided on the left side of the machine body, which can drive the push plate to rotate on the left side of the machine body.

[0015] Compared with the prior art, the utility model provides a sand screening device for construction that can prevent clogging, and has the following beneficial effects:

[0016] 1. The anti-clogging sand screening device for construction can drive the movable block to rotate when the movable shaft rotates, and when the movable block rotates, it will drive the movable plate to rotate, and the movable plate will drive the rotating shaft to slide downward. When the rotating shaft slides downward inside the fixed block, it will drive the anti-blocking rod on the surface of the rotating shaft to slide downward. When the anti-blocking rod slides downward, it will drive the knocking block to slide downward, thereby knocking on the surface of the screen shaft to generate vibration, thereby loosening the wet sand material adhering to the inside of the screen shaft, improving the screening efficiency and reducing the difficulty of work.

[0017] 2. The anti-clogging sand screening device for construction has the advantages that the screened sand will fall into the collecting block inside the machine body. When the collecting block is full, the gravity will be used to press the slide plate to slide downward, and when the slide plate slides downward, it will bring the pressure plate downward. When the pressure plate slides downward, it will resist the push plate to move toward one end close to the machine body. When the push plate is active, it will resist the push rod to move toward the surface close to the collecting block, thereby pushing the collecting block to move toward the outside of the machine body. When the collecting block is pushed to the outside of the machine body, it will slide downward through the arc of the inclined block to realize discharging, so that the fully collected sand can be discharged in time, thereby improving the working efficiency and the practicality of the sand screening device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front view structure of the anti-blocking component of the utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the collection component of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the fixed block of the utility model.

[0022] In the figure: 1. body; 2. fixed frame; 3. motor; 4. rotating rod; 5. screen shaft; 6. feeding port; 7. collecting assembly; 71. slide plate; 72. collecting block; 73. pressure plate; 74. push plate; 75. bending spring; 76. push rod; 77. fixed spring; 78. inclined block; 8. anti-blocking assembly; 81. fixed plate; 82. movable shaft; 83. movable block; 84. movable plate; 85. fixed block; 86. rotating shaft; 87. anti-blocking plate; 88. knocking block; 10. groove; 850. slide groove; 851. hole. DETAILED DESCRIPTION

[0023] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a sand screening device for construction that can prevent blocking, including a body 1, a fixing frame 2 is fixedly installed on the top of the body 1, a motor 3 is fixedly installed on the surface of the fixing frame 2, a rotating rod 4 is connected to the surface of the output shaft of the motor 3 through a belt drive, a sieve shaft 5 is fixedly installed on the surface of the rotating rod 4, the sieve shaft 5 is rotatably connected to the top of the body 1, a feed port 6 is fixedly installed on the left side of the body 1, a collecting component 7 is arranged at the bottom of the body 1, and an anti-blocking component 8 is arranged on the top of the body 1. When the movable shaft 82 rotates When the movable block 83 rotates, it will drive the movable plate 84 to rotate. The movable plate 84 will drive the rotating shaft 86 to slide downward. When the rotating shaft 86 slides downward inside the fixed block 85, it will drive the anti-blocking plate 87 on the surface of the rotating shaft 86 to slide downward. When the anti-blocking plate 87 slides downward, it will drive the knocking block 88 to slide downward. The anti-blocking assembly 8 includes: a fixed plate 81, a movable shaft 82, a movable block 83, a movable plate 84, a fixed block 85, a rotating shaft 86, an anti-blocking plate 87, and a knocking block 88.

[0024] The fixed plate 81 is fixedly installed on the top of the fixed frame 2, and the left side of the fixed plate 81 is rotatably connected with a movable shaft 82, and the movable shaft 82 is connected to the surface of the rotating rod 4 through a conveyor belt transmission. The movable block 83 is fixedly installed on the surface of the movable shaft 82, and the surface of the movable block 83 is hinged with a movable plate 84. The fixed block 85 is fixedly installed on the surface of the fixed plate 81, and the fixed block 85 is slidably connected with a rotating shaft 86, and the rotating shaft 86 is hinged to the surface of the movable plate 84. An anti-blocking plate 87 is fixedly installed on the left side of the rotating shaft 86, and a knocking block 88 is fixedly installed inside the anti-blocking plate 87, so that it knocks on the surface of the screen shaft 5 to generate vibration, thereby loosening the wet sand material adhering to the inside of the screen shaft 5, thereby improving the screening efficiency and reducing the difficulty of work.

[0025] The collecting assembly 7 includes: a slide plate 71, which is slidably connected to the inside of the body 1, a collecting block 72 is placed on the top of the slide plate 71, a pressure plate 73 is fixedly installed on the left side of the slide plate 71, a push plate 74 is hinged on the left side of the body 1, a bending spring 75 is fixedly installed at the bottom of the push plate 74, and the bending spring 75 is fixedly installed on the inner wall of the body 1, a push rod 76 is slidably connected to the left side of the body 1, the push rod 76 runs through the body 1, a fixed spring 77 is fixedly installed on the surface of the push rod 76, and the fixed spring 77 is fixedly installed on the outer wall of the body 1, and an inclined block 78 is fixedly installed on the right side of the body 1. When the screened sand material will fall into the collecting block 72 inside the body 1, when the collecting block 72 is full, it will use gravity to press the slide plate 71 to slide downward, and when the slide plate 71 slides downward, it will bring the pressure plate 73 to slide downward When the pressure plate 73 slides downward, it will resist the push plate 74 and move toward one end close to the machine body 1. When the push plate 74 is active, it will resist the push rod 76 and move toward the surface close to the collecting block 72, thereby pushing the collecting block 72 to move toward the outside of the machine body 1. When the collecting block 72 is pushed to the outside of the machine body 1, it will slide downward through the arc of the inclined block 78 to realize discharging, and the collected sand material can be discharged in time, thereby improving the working efficiency and the practicality of the sand screening device. A slide groove 850 is provided on the surface of the fixed block 85, which can drive the anti-blocking plate 87 to slide on the surface of the fixed block 85. A hole 851 is provided on the top of the fixed block 85, which can drive the rotating shaft 86 to slide inside the fixed block 85. A groove 10 is provided on the left side of the machine body 1, which can drive the push plate 74 to rotate on the left side of the machine body 1.

[0026] When the sand screening device is in use, sand can be put in through the feeding port 6. After the putting in, the motor 3 can be started and the rotating rod 4 can be driven to rotate through the belt. When the rotating rod 4 rotates, it will drive the rotation of the screen shaft 5. When the screen shaft 5 rotates, the sand will be screened. When the rotating rod 4 rotates, it will also drive the rotation of the movable shaft 82 through the conveyor belt. When the movable shaft 82 rotates, it can drive the movable block 83 to rotate. When the movable block 83 rotates, it will drive the movable plate 84 to rotate. The movable plate 84 drives the rotating shaft 86 to slide downward. When the rotating shaft 86 slides downward inside the fixed block 85, it will drive the anti-blocking plate 87 on the surface of the rotating shaft 86 to slide downward. When the anti-blocking plate 87 slides downward, it will drive the knocking block 88 to slide downward, thereby knocking on the surface of the screen shaft 5 to generate vibration, thereby loosening the wet sand adhering to the inside of the screen shaft 5, thereby improving the screening efficiency and reducing the difficulty of work.

[0027] When the screened sand material falls into the collecting block 72 inside the machine body 1, when the collecting block 72 is full, it will use gravity to press the slide plate 71 to slide downward, and when the slide plate 71 slides downward, it will bring the pressure plate 73 to slide downward, and when the pressure plate 73 slides downward, it will resist the push plate 74 to move toward one end close to the machine body 1, and when the push plate 74 moves, it will resist the push rod 76 to move toward the surface of the collecting block 72, thereby pushing the collecting block 72 to move toward the outside of the machine body 1, and when the collecting block 72 is pushed to the outside of the machine body 1, it will slide downward through the arc of the inclined block 78 to realize discharging, so that the fully collected sand material can be discharged in time, thereby improving the working efficiency and the practicality of the sand screening device.

[0028] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A sand screening device for construction that can prevent clogging, comprising a body (1), characterized in that: A fixing frame (2) is fixedly mounted on the top of the machine body (1), a motor (3) is fixedly mounted on the surface of the fixing frame (2), a rotating rod (4) is connected to the surface of the output shaft of the motor (3) via a belt drive, a sieve shaft (5) is fixedly mounted on the surface of the rotating rod (4), the sieve shaft (5) is rotatably connected to the top of the machine body (1), a feed port (6) is fixedly mounted on the left side of the machine body (1), a collecting assembly (7) is arranged at the bottom of the machine body (1), and an anti-blocking assembly (8) is arranged at the top of the machine body (1), and the anti-blocking assembly (8) comprises: A fixed plate (81), the fixed plate (81) is fixedly mounted on the top of the fixed frame (2), the left side of the fixed plate (81) is rotatably connected to a movable shaft (82), and the movable shaft (82) is connected to the surface of the rotating rod (4) through a conveyor belt transmission; A movable block (83), the movable block (83) is fixedly mounted on the surface of the movable shaft (82), and a movable plate (84) is hingedly connected to the surface of the movable block (83); A fixed block (85) is fixedly mounted on the surface of the fixed plate (81), a rotating shaft (86) is slidably connected inside the fixed block (85), the rotating shaft (86) is hinged on the surface of the movable plate (84), an anti-blocking plate (87) is fixedly mounted on the left side of the rotating shaft (86), and a knocking block (88) is fixedly mounted inside the anti-blocking plate (87).

2. The anti-clogging sand screening device for construction according to claim 1, characterized in that: The collecting assembly (7) comprises: a slide plate (71), the slide plate (71) is slidably connected to the inside of the machine body (1), a collecting block (72) is placed on the top of the slide plate (71), and a pressure plate (73) is fixedly installed on the left side of the slide plate (71).

3. The anti-clogging sand screening device for construction according to claim 1, characterized in that: A push plate (74) is hingedly connected to the left side of the machine body (1), a bending spring (75) is fixedly installed at the bottom of the push plate (74), and the bending spring (75) is fixedly installed on the inner wall of the machine body (1).

4. The anti-clogging sand screening device for construction according to claim 1, characterized in that: A push rod (76) is slidably connected to the left side of the machine body (1), the push rod (76) passes through the machine body (1), a fixed spring (77) is fixedly mounted on the surface of the push rod (76), and the fixed spring (77) is fixedly mounted on the outer wall of the machine body (1).

5. The anti-clogging sand screening device for construction according to claim 1, characterized in that: An inclined block (78) is fixedly mounted on the right side of the machine body (1).

6. The anti-clogging sand screening device for construction according to claim 1, characterized in that: A sliding groove (850) is provided on the surface of the fixing block (85), and a hole (851) is provided on the top of the fixing block (85).

7. The anti-clogging sand screening device for construction according to claim 1, characterized in that: A groove (10) is provided on the left side of the machine body (1).