Sand screening machine for constructional engineering
The servo motor-driven winding roller system and automatic cleaning device solve the problems of cumbersome screen replacement and easy clogging, enabling rapid screen replacement and efficient screening, thus improving the working efficiency and reliability of the sand screening machine.
Patent Information
- Application Number
- CN202423162894.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing sand screening machines require screen replacement when screening sand particles of different sizes, which is a cumbersome and space-consuming process, and the screens are prone to clogging.
The servo motor-driven take-up roller system enables quick screen replacement and automatic cleaning. Combined with the support frame and guide rollers, it ensures smooth screen movement, and the cleaning plate automatically removes impurities, reducing clogging.
It improves the efficiency of screen replacement, reduces cumbersome steps, saves space, ensures unobstructed screen flow, and improves screening efficiency and quality.
Smart Images

Figure CN223517973U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sand screening machine technical field, specifically is a sand screening machine for construction engineering. BACKGROUND
[0002] Sand screening machine is commonly used in construction site, sand yard and other places, mainly plays the role of sand screening and separation, according to working principle and structural characteristics, sand screening machine can be divided into multiple types, commonly there is rotary drum sand screening machine, vibration sand screening machine etc.
[0003] Sand screening machine mainly passes through the screen installed on it, uses reciprocating or rotating screen to screen sand, in the sand screening process, in this process, screen aperture is one of the key factors to determine screening effect, and the size of screen aperture directly determines which particle size sand can pass through the screen, and which is blocked above the screen.
[0004] And when different specifications of sand particles need to be screened, most of the current sand screening machines need to replace the screen, and the screen is usually fixed on the frame of the screening machine, which needs to disassemble the old screen and install the new screen, this process needs to use special tools and follow certain steps, which is more troublesome. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiencies of the prior art, solve at least one technical problem proposed in the background art, the utility model provides a sand screening machine for construction engineering.
[0006] The utility model discloses a sand screening machine for construction engineering, including the body, the body one end sliding connection has the installation frame, and the body other end is installed with the drive part, the drive part one end drive connection has the installation frame, the installation frame both ends are rotatory installation first winding roller and second winding roller, and first winding roller and second winding roller one end are all equipped with servo motor, the servo motor passes through the support and is installed on the installation frame, the first winding roller is wound with multiple layers second screen, the second screen one end is connected with first screen, and the first screen other end is connected with second winding roller, the installation frame both ends are installed with the guide roller, and the first screen surface is in contact with the guide roller bottom, the installation frame is installed with the support frame, and the first screen passes through the support frame interior.
[0007] Preferably, the installation frame one end is installed with first mounting bracket, the first mounting bracket one end interior is elastically slidably connected with the cleaning plate through the spring, and the cleaning end of the cleaning plate is in abutment with the first screen surface.
[0008] Preferably, one end of the machine body is provided with a storage box through the second mounting frame; a stirring rod is rotatably connected inside the storage box, and one end of the stirring rod penetrates the inside of the storage box and is connected with the output end of the motor; and a feeding port is obliquely arranged on one side of the storage box.
[0009] Preferably, one end of the stirring rod is provided with a rotating rod, one end of the rotating rod extends to the outside of the storage box and is provided with a pushing rod; and one side of the pushing rod is in contact with the surface of the first screen.
[0010] Preferably, an electric push rod is arranged on one side of the four legs at the bottom end of the machine body, and a universal wheel is arranged at the output end of the electric push rod.
[0011] Preferably, a reinforcing rod is fixedly connected between the four legs at the bottom end of the machine body, and the reinforcing rod is made of steel material.
[0012] Preferably, an observation window is arranged on one side of the storage box, and the observation window is transparent.
[0013] The beneficial effects of the present application are as follows:
[0014] 1. The sand screening machine for construction engineering provided by the present application can rotate the required screen section to the screening area for screening operation when different specifications of sand particles need to be screened, and can wind the unnecessary screen section back to the first winding roller or the second winding roller, so as to improve the efficiency of screen replacement, reduce the cumbersome steps when the screen needs to be replaced, and realize the effect of saving space, since the plurality of screen sections are wound on the first winding roller and the second winding roller, and the guide roller is used to guide the movement of the screen to ensure that the screen keeps stable during the movement, and the support frame is used to support and fix the screen to reduce the deformation or deviation of the screen during the movement.
[0015] 2. The sand screening machine for construction engineering provided by the present application can keep the cleaning plate in close contact with the surface of the first screen or the second screen under the elastic force of the spring, and automatically clean the impurities and blockages on the surface of the screen along one end of the screen, so as to ensure the smoothness of the screen and reduce the occurrence of blockage. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the descriptions thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:
[0017] Figure 1 is a perspective view of the present application;
[0018] Figure 2 is a sectional view of the mounting frame in the present application;
[0019] Figure 3 Fig. 2 is a schematic view of the first screen and the second screen in the utility model;
[0020] Figure 4 Fig. 3 is a sectional view of the storage box in the utility model.
[0021] Legend:
[0022] 1, machine body;2, mounting frame;3, driving part;4, first winding roller;5, servo motor;6, first screen;7, second screen;8, guide roller;9, support frame;10, first mounting bracket;11, spring;12, cleaning plate;13, second mounting bracket;14, storage box;15, stirring rod;16, motor;17, rotating rod;18, lever;19, electric push rod;20, universal wheel;21, reinforcing rod;22, observation window;23, second winding roller;24, feed inlet. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] The specific embodiments are given below.
[0025] Please refer to Figures 1-4 The utility model provides a sand screening machine for construction engineering, including machine body 1, the machine body 1 one end slidingly connected with mounting frame 2, and machine body 1 other end is equipped with driving part 3, driving part 3 one end drive connection has mounting frame 2, mounting frame 2 both ends are rotatably installed with first winding roller 4 and second winding roller 23, and first winding roller 4 and second winding roller 23 one end are equipped with servo motor 5, servo motor 5 is installed on mounting frame 2 through support, the first winding roller 4 is wound with multiple second screens 7, second screen 7 one end is connected with first screen 6, and first screen 6 other end is connected with second winding roller 23, mounting frame 2 both ends are installed with guide roller 8, and first screen 6 surface and guide roller 8 bottom contact, mounting frame 2 is installed with support frame 9, and first screen 6 passes through support frame 9 inside.
[0026] When working, the driving member 3 is an eccentric wheel driving structure as shown in the figure, which can drive the mounting frame 2 to reciprocate on the machine body 1 to achieve the effect of reciprocating screening. The second screen 7 and the first screen 6 have different screen hole diameters, and the second screen 7 is connected with a plurality of screen groups having different hole diameters from the first screen 6, so as to customize screen groups with different filter hole sizes according to requirements. When different specifications of sand particles need to be screened, the servo motor 5 is started to drive the first winding roller 4 and the second winding roller 23 to rotate, so that the screen group of the required specification is rotated to the screening area for screening operation, and the screen group not required is wound back to the first winding roller 4 or the second winding roller 23, so as to improve the efficiency of screen replacement and reduce the cumbersome steps when the screen needs to be replaced. The plurality of screen groups are wound on the first winding roller 4 and the second winding roller 23, which does not occupy additional space, so as to save space. The guide roller 8 is used to guide the movement of the screen to ensure that it moves stably, and the support frame 9 supports and fixes the screen to reduce deformation or deviation of the screen during movement.
[0027] Please refer to Figures 1-2 , the mounting frame 2 is provided with a first mounting frame 10 at one end; the first mounting frame 10 is elastically and slidably connected with a cleaning plate 12 at one end through a spring 11, and the cleaning end of the cleaning plate 12 abuts against the surface of the first screen 6; when the second screen 7 or the first screen 6 is wound or unwound, the cleaning plate 12 is in close contact with the surface of the first screen 6 or the second screen 7 under the elastic force of the spring 11, and automatically cleans the impurities and blockages on the surface of the screen along with one end of the screen, so as to ensure the smoothness of the screen and reduce the occurrence of blockage.
[0028] Please refer to Figure 1 , Figure 4 , the machine body 1 is provided with a storage tank 14 at one end through a second mounting frame 13; the storage tank 14 is rotatably connected with a stirring rod 15 inside, and the stirring rod 15 is connected with the output end of a motor 16 at one end; the storage tank 14 is provided with an inclined feeding port 24 at one side; when working, sand can be continuously fed into the storage tank 14 through the feeding port 24, and the stirring rod 15 can be driven to rotate by the output end of the motor 16 to stir the sand fed into the storage tank 14, so as to break the caked sand and improve the screening efficiency and quality.
[0029] Please refer to Figure 1 , Figure 4The stirring rod 15 is provided with a rotating rod 17 at one end, and the rotating rod 17 is provided with a stirring rod 18 at one end extending outside the storage box 14; one side of the stirring rod 18 is in surface contact with the first screen 6; during operation, the rotating rod 17 rotates synchronously with the stirring rod 15, thereby driving the stirring rod 18 to rotate, so that the stirring rod 18 rotates on the surface of the first screen 6, and the sand accumulated on the surface of the first screen 6 is scattered and pushed to continue to fall for screening, thereby reducing the local accumulation of sand at one end of the first screen 6, and maintaining the smoothness of the first screen 6.
[0030] Please refer to Figure 1 The body 1 is provided with an electric push rod 19 at one side of the four legs at the bottom end, and the electric push rod 19 is provided with a universal wheel 20 at the output end; during operation, the universal wheel 20 can be pushed into contact with the ground by the electric push rod 19, so as to facilitate the subsequent movement of the device to the designated position, improve the portability of the device, and at the same time, when the universal wheel 20 is not in contact with the ground, the four legs at the bottom end of the body 1 are in contact with the ground, so as to improve the stability of the device during operation or placement, and further improve the flexibility of the device.
[0031] Please refer to Figure 1 The body 1 is provided with a reinforcing rod 21 between the four legs at the bottom end, and the reinforcing rod 21 is made of steel material; during operation, the reinforcing rod 21 can improve the rigidity and stability of the structure at the bottom of the body 1, and reduce the shaking or tilting of the device during operation due to vibration or impact.
[0032] Please refer to Figure 1 The storage box 14 is provided with an observation window 22 at one side, and the observation window 22 is transparent; during operation, the observation window 22 can be used to quickly check the condition of the sand placed in the storage box 14 at any time.
[0033] Working principle: the driving member 3 is an eccentric wheel driving structure as shown in the figure, which can drive the installation frame 2 to move reciprocatingly on the machine body 1 to achieve the effect of reciprocating screening, and the second screen 7 and the first screen 6 are different in size of screen aperture, and the second screen 7 is connected with a plurality of screen groups different from the first screen 6 in size of screen aperture at one end, so as to customize screen groups with different filter hole sizes according to requirements; when different specifications of sand particles need to be screened, the servo motor 5 is only started to drive the first winding roller 4 and the second winding roller 23 to rotate, so that the screen section with the required specification can be rotated to the screening area for screening operation, and the screen section not required can be wound back to the first winding roller 4 or the second winding roller 23, so as to improve the efficiency of screen replacement and reduce the cumbersome steps when the screen needs to be replaced, and the plurality of screen groups are wound on the first winding roller 4 and the second winding roller 23, without occupying extra space, so as to save space and guide the roller 8 to guide the movement of the screen to ensure that it remains stable during movement, and the support frame 9 plays a role in supporting and fixing the screen to reduce deformation or deviation of the screen during movement; when the second screen 7 or the first screen 6 is wound or unwound, the cleaning plate 12 is in close contact with the surface of the first screen 6 or the second screen 7 under the elastic force of the spring 11, and automatically cleans the impurities and blockages on the surface of the screen with one end of the screen, so as to ensure the smoothness of the screen and reduce the occurrence of blockage; sand can be continuously put into the storage tank 14 through the feeding port 24, and the stirring rod 15 can be driven to rotate by the output end of the motor 16 to stir the sand put into the storage tank 14, so as to break the caked sand and improve the subsequent screening efficiency and screening quality; the rotating rod 17 rotates synchronously with the stirring rod 15, thereby driving the push rod 18 to rotate, so that it rotates circularly on the surface of the first screen 6 to scatter the sand accumulated on the surface of the first screen 6 and push it to continue to fall for screening, so as to reduce the local accumulation of sand at one end of the first screen 6 and maintain the smoothness of the first screen 6; the universal wheel 20 can be brought into contact with the ground by the electric push rod 19, so as to facilitate the subsequent movement of the device to the designated position and improve the portability of the device, and when the universal wheel 20 is not in contact with the ground, the four corner legs at the bottom end of the machine body 1 are in contact with the ground, so as to improve the stability of the device during operation or placement and further improve the flexibility of the device; the rigidity and stability of the bottom structure of the machine body 1 can be improved by the reinforcing rod 21 to reduce the shaking or tilting of the device during work due to vibration or impact; the condition of the sand put into the storage tank 14 can be quickly checked at any time through the observation window 22.
[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A sand screening machine for construction engineering, comprising a machine body (1), a mounting frame (2) is slidably connected to one end of the machine body (1), and a driving member (3) is mounted at the other end of the machine body (1); one end of the driving member (3) is drivingly connected with the mounting frame (2); characterized in that: The mounting frame (2) is rotatably provided with a first winding roller (4) and a second winding roller (23) at two ends respectively, and a servo motor (5) is arranged at one end of the first winding roller (4) and the second winding roller (23); the servo motor (5) is mounted on the mounting frame (2) through a support; a plurality of second screens (7) are wound on the first winding roller (4); the second screen (7) is connected with a first screen (6) at one end, and the other end of the first screen (6) is connected with the second winding roller (23); the mounting frame (2) is provided with a guide roller (8) at two ends respectively, and the surface of the first screen (6) is in contact with the bottom of the guide roller (8); the mounting frame (2) is provided with a support frame (9), and the first screen (6) passes through the inside of the support frame (9).
2. A sand screening machine for construction work as claimed in claim 1 wherein: The mounting frame (2) is provided with a first mounting frame (10) at one end; the first mounting frame (10) is elastically and slidably connected with a cleaning plate (12) at one end through a spring (11), and the cleaning end of the cleaning plate (12) is in abutment with the surface of the first screen (6).
3. A sand screening machine for construction work as claimed in claim 1 wherein: The machine body (1) is provided with a storage box (14) at one end through a second mounting frame (13); the storage box (14) is rotatably connected with a stirring rod (15) inside, and one end of the stirring rod (15) penetrates the inside of the storage box (14) and is connected with the output end of a motor (16); the storage box (14) is provided with an inlet (24) on one side.
4. A sand screening machine for use in construction work as claimed in claim 3 wherein: The stirring rod (15) is provided with a rotating rod (17) at one end, and the rotating rod (17) is provided with a shifting rod (18) outside the storage box (14) at one end; the shifting rod (18) is in contact with the surface of the first screen (6) on one side.
5. A sand screening machine for construction work as claimed in claim 1 wherein: The machine body (1) is provided with an electric push rod (19) on one side of the bottom four corner legs, and the output end of the electric push rod (19) is provided with a universal wheel (20).
6. A sand screening machine for construction work as claimed in claim 1, wherein: The machine body (1) is provided with a reinforcing rod (21) between the bottom four corner legs, and the reinforcing rod (21) is made of steel material.
7. A sand screening machine for construction work as claimed in claim 3 wherein: The storage box (14) is provided with an observation window (22) on one side, and the observation window (22) is transparent.