Sand screening device capable of preventing blockage
By using a drive assembly and a vibration spring to drive the screening filter plate and the vibration frame to vibrate at high frequency, combined with the cleaning support column and translation assembly, the problem of sand and gravel getting stuck in the screen is solved, achieving efficient screening and cleaning results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-03-31
AI Technical Summary
In traditional sand screening devices, the screen mesh is highly elastic, making it easy for sand and gravel to become stuck, resulting in poor cleaning effect and affecting screening efficiency.
The system employs a drive assembly to drive the screening filter plate and the vibrating frame to vibrate at high frequency. Combined with multiple sets of vibrating springs and cleaning supports, it achieves high-frequency vibration and cleaning. The cleaning assembly is adjusted by a translation assembly to ensure screening efficiency and effectiveness.
It improves screening efficiency and cleaning effect, ensuring the material separation effect during the screening process.
Smart Images

Figure CN224057987U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand screening device technical field especially prevents the sand screening device of blockage. BACKGROUND
[0002] Sand is important raw material of construction, sand salvages from the river on the bank, needs to carry out the selection, and the sand of different thickness is separated, the traditional manual sand screening is to support the sand net in the ground in the form of inclination, then pours the sand on the top of sand net, the sand in the process of sliding of sand net, the sand less than the aperture of the sand net passes through the sand net, the sand greater than the aperture of the sand net is filtered and slides to the bottom of the sand net.
[0003] In actual use, since the screen is mostly wire mesh, it has certain elasticity, while the sandstone material is hard, sometimes embedded in the mesh of the screen, the ordinary bristle cleans from the top, cannot effectively clean out the sandstone, the cleaning effect is not obvious, and it is urgent to improve, and then the cleaning efficiency is inconvenient to improve.
[0004] Therefore, aiming at the above-mentioned problem that the cleaning efficiency is inconvenient to improve, the sand screening device for preventing blockage can be designed, the driving assembly is started, the screening filter plate and the vibration frame are driven to realize high-frequency vibration, the upper and lower elastic action of the multiple vibration springs drives the screening filter plate to vibrate in the installation frame, the material is screened, at the same time, the other group of vibration springs drives the vibration frame to vibrate at the bottom of the installation frame, the vibration frame drives multiple cleaning struts to vibrate, and the multiple cleaning struts are used to clean the residues accumulated in the screening filter plate during vibration, so as to ensure the screening efficiency and effect. SUMMARY
[0005] In order to overcome the problem that the sand screening device is inconvenient to improve the cleaning efficiency in the process of use, since the screen is mostly wire mesh, it has certain elasticity, while the sandstone material is hard, sometimes embedded in the mesh of the screen, the ordinary bristle cleans from the top, cannot effectively clean out the sandstone, the cleaning effect is not obvious, and it is urgent to improve.
[0006] The technical solution of this utility model is as follows: a sand screening device to prevent clogging, comprising a screening chamber, an electrically controlled chamber door, a feed inlet, a discharge outlet, a mounting frame, a vibrating spring, a screening filter plate, a vibrating frame, a cleaning support column, a drive assembly, a contact assembly, a translation assembly, and a cleaning assembly; the screening chamber is equipped with a mounting frame inside, a vibrating spring is installed above the mounting frame, multiple sets of vibrating springs are provided, a screening filter plate is installed above the vibrating spring, another vibrating spring is installed on the bottom wall of the mounting frame, a vibrating frame is installed below the other vibrating spring, a cleaning support column is installed above the vibrating frame, multiple sets of cleaning support columns are provided, a drive assembly is installed on one side of the screening chamber, a contact assembly is installed on one side of the drive assembly, an electrically controlled chamber door is installed on the other side of the screening chamber, a feed inlet is installed above the screening chamber, a discharge outlet is installed below the screening chamber, a translation assembly is installed inside the screening chamber, and a cleaning assembly is installed below the translation assembly.
[0007] Preferably, during the use of the sand screening device, the material is first added into the screening chamber through the feed inlet. Then, the drive component is activated, which simultaneously drives the screening filter plate and the vibrating frame to achieve high-frequency vibration through the contact component. Through the up-and-down elastic action of multiple sets of vibration springs, the screening filter plate is driven to vibrate at high frequency within the mounting frame to screen the material. At the same time, another set of vibration springs drives the vibrating frame to vibrate at the bottom of the mounting frame. The vibrating frame can then drive multiple sets of cleaning supports to vibrate at high frequency. Furthermore, the multiple sets of cleaning supports are used to clean the residue accumulated inside the screening filter plate during the vibration process, ensuring screening efficiency and effect. In addition, activating the translation component can drive the cleaning component to adjust and move, and the surface of the screening filter plate can be cleaned through the cleaning component.
[0008] Preferably, the drive assembly includes a mounting housing, a drive motor, a drive shaft, a drive pulley, and a transmission belt; the mounting housing is provided on one side of the screening chamber, the drive motor is provided on the side wall of the mounting housing, the drive shaft is provided at the output end of the drive motor, the drive pulley is provided on the side wall of the drive shaft, and a transmission belt is provided on the outside of the drive pulley, with the drive pulley and the transmission belt rotatably connected.
[0009] Preferably, the drive assembly also includes a driven shaft and a driven wheel; the driven shaft is provided inside the screening chamber, and the driven wheel is provided on the side wall of the driven shaft. The driven wheel is located inside the transmission belt and is rotatably connected to the transmission belt.
[0010] Preferably, the contact assembly includes a rotating cam and a contact block; one end of the drive shaft is provided with a rotating cam, and two sets of rotating cams are provided; another rotating cam is provided at one end of the driven shaft; a contact block is provided above the screening filter plate, and two sets of contact blocks are provided; another contact block is provided on the bottom wall of the vibrating frame.
[0011] Preferably, the translation assembly includes a translation motor, a translation slide rail, a translation screw, a translation slider, and a translation connecting rod; the screening chamber is equipped with a translation slide rail inside, a translation motor is installed on one side of the screening chamber, a translation screw is installed at the output end of the translation motor, the translation screw is installed inside the translation slide rail, a translation slider is installed on the side wall of the translation screw, the translation slider is threadedly connected to the translation screw, and a translation connecting rod is installed below the translation slider.
[0012] Preferably, the translation assembly also includes a guide rail, a guide slider, and a guide rod; the screening chamber is provided with a guide rail, and there are two sets of guide rails. The guide rail is provided with a guide rod inside, and a guide slider is provided on the side wall of the guide rod. The guide slider is slidably connected to the guide rod, and the upper part of the translation link is fixedly connected to the lower part of the guide slider.
[0013] Preferably, the cleaning assembly includes a mounting sleeve, a return spring, a retractable link, and a cleaning brush rod; the mounting sleeve is located below the translation link, and multiple sets of mounting sleeves are provided. The return spring is located inside the mounting sleeve, the retractable link is located below the return spring, and the cleaning brush rod is located below the retractable link.
[0014] The beneficial effects of this utility model are:
[0015] 1. During the use of the sand screening device, the material is first added into the screening chamber through the feed inlet. Then, the drive component is started, which simultaneously drives the screening filter plate and the vibrating frame to achieve high-frequency vibration through the contact component. Through the upper and lower elastic action of multiple sets of vibration springs, the screening filter plate is driven to vibrate at high frequency within the installation frame to screen the material. At the same time, another set of vibration springs drives the vibrating frame to vibrate at the bottom of the installation frame. The vibrating frame can then drive multiple sets of cleaning support columns to vibrate at high frequency. Furthermore, the multiple sets of cleaning support columns are used to clean the residue accumulated inside the screening filter plate during the vibration process, ensuring screening efficiency and effect. In addition, starting the translation component can drive the cleaning component to adjust and move, and the surface of the screening filter plate can be cleaned through the cleaning component. Attached Figure Description
[0016] Figure 1 The diagram shown is a first three-dimensional structural schematic of the anti-clogging sand screening device of this utility model.
[0017] Figure 2 The diagram shown is a partial three-dimensional structural schematic of the anti-clogging sand screening device of this utility model.
[0018] Figure 3 The diagram shown is a partial three-dimensional structural schematic of the anti-clogging sand screening device of this utility model.
[0019] Figure 4The diagram shown is a three-dimensional structural schematic of the third part of the anti-clogging sand screening device of this utility model.
[0020] Figure 5 The diagram shown is a partial three-dimensional structural schematic of the anti-clogging sand screening device of this utility model.
[0021] Explanation of reference numerals in the attached drawings: 1. Screening chamber; 2. Electrically controlled chamber door; 3. Feed inlet; 4. Discharge outlet; 5. Mounting frame; 6. Vibration spring; 7. Screening filter plate; 8. Vibration frame; 9. Cleaning support column; 101. Mounting shell; 102. Drive motor; 103. Drive shaft; 104. Drive wheel; 105. Transmission belt; 106. Driven shaft; 107. Driven wheel; 201. Rotating cam; 202. Contact block; 301. Translation motor; 302. Translation slide rail; 303. Translation screw; 304. Translation slider; 305. Translation connecting rod; 306. Guide slide rail; 307. Guide slider; 308. Guide slide rod; 401. Mounting support cylinder; 402. Return spring; 403. Retraction connecting rod; 404. Cleaning brush rod. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Please see Figures 1-5 This utility model provides an embodiment of a sand screening device to prevent clogging, comprising a screening chamber 1, an electrically controlled chamber door 2, a feed inlet 3, a discharge outlet 4, a mounting frame 5, a vibration spring 6, a screening filter plate 7, a vibration frame 8, a cleaning support column 9, a drive assembly, a contact assembly, a translation assembly, and a cleaning assembly; the screening chamber 1 is internally provided with the mounting frame 5, and a vibration spring 6 is provided above the mounting frame 5, with multiple sets of vibration springs 6. A screening filter plate 7 is provided above the vibration spring 6, another vibration spring 6 is provided on the bottom wall of the mounting frame 5, and a vibration frame 8 is provided below the other vibration spring 6. A cleaning support column 9 is provided above the vibration frame 8, with multiple sets of cleaning support columns 9. A drive assembly is provided on one side of the screening chamber 1, and a contact assembly is provided on one side of the drive assembly. An electrically controlled chamber door 2 is provided on the other side of the screening chamber 1. A feed inlet 3 is provided above the screening chamber 1, and a discharge outlet 4 is provided below the screening chamber 1. A translation assembly is provided inside the screening chamber 1, and a cleaning assembly is provided below the translation assembly.
[0024] Please see Figure 2The drive assembly includes a mounting housing 101, a drive motor 102, a drive shaft 103, a drive pulley 104, and a transmission belt 105. The mounting housing 101 is located on one side of the screening chamber 1. The drive motor 102 is mounted on the side wall of the mounting housing 101. The drive shaft 103 is located at the output end of the drive motor 102. The drive pulley 104 is mounted on the side wall of the drive shaft 103. The transmission belt 105 is mounted on the outside of the drive pulley 104, and the drive pulley 104 is rotatably connected to the transmission belt 105. Starting the drive motor 102 will drive the drive pulley 104 to rotate via the drive shaft 103, and the drive pulley 104 will then drive the transmission belt 105 to rotate. The drive assembly also includes a driven shaft 106 and a driven pulley 107. The driven shaft 106 is located inside the screening chamber 1. The driven pulley 107 is mounted on the side wall of the driven shaft 106 and is mounted on the transmission belt 105. Internally, the driven wheel 107 is rotatably connected to the transmission belt 105; the driving wheel 104 can drive the driven wheel 107 to rotate through the transmission belt 105, and the driven wheel 107 can drive the driven shaft 106 to rotate. The contact assembly includes a rotating cam 201 and a contact block 202. One end of the driving shaft 103 is provided with a rotating cam 201, and two sets of rotating cams 201 are provided. Another rotating cam 201 is provided at one end of the driven shaft 106. A contact block 202 is provided above the screening filter plate 7, and two sets of contact blocks 202 are provided. Another contact block 202 is provided on the bottom wall of the vibrating frame 8. Furthermore, the driving shaft 103 and the driven shaft 106 can drive the two sets of rotating cams 201 to rotate synchronously. The two sets of rotating cams 201 will then collide with the two sets of contact blocks 202 at high frequency, thereby driving the screening filter plate 7 and the vibrating frame 8 to achieve high-frequency vibration.
[0025] Please see Figures 3-5In this embodiment, the translation assembly includes a translation motor 301, a translation slide rail 302, a translation screw 303, a translation slider 304, and a translation connecting rod 305. The translation slide rail 302 is installed inside the screening chamber 1. The translation motor 301 is installed on one side of the screening chamber 1. The output end of the translation motor 301 is equipped with a translation screw 303, which is located inside the translation slide rail 302. A translation slider 304 is installed on the side wall of the translation screw 303. The translation slider 304 is threadedly connected to the translation screw 303. A translation link 305 is provided below; starting the translation motor 301 will drive the translation slider 304 to move and adjust via the translation screw 303, and the translation slider 304 will drive the cleaning component to move and adjust via the translation link 305; the translation component also includes a guide rail 306, a guide slider 307, and a guide rod 308; the screening chamber 1 is provided with a guide rail 306, two sets of guide rails 306 are provided, the guide rail 306 is provided with a guide rod 308 inside, and a guide slider 308 is provided on the side wall of the guide rod 308. 07. The guide slider 307 is slidably connected to the guide slide rod 308, and the upper part of the translation link 305 is fixedly connected to the lower part of the guide slider 307; the translation link 305 can drive the guide slider 307 to move and adjust through the guide slide rod 308; the cleaning assembly includes a mounting support 401, a return spring 402, a retraction link 403, and a cleaning brush rod 404; a mounting support 401 is provided below the translation link 305, and multiple sets of mounting supports 401 are provided. A return spring 402 is provided inside the mounting support 401. Below 2, a retraction link 403 is provided, and below the retraction link 403, a cleaning brush 404 is provided; the translation slider 304 can be adjusted and moved by the translation link 305 to drive the cleaning brush 404. The cleaning brush 404 can clean the material on the surface of the screening filter plate 7. Furthermore, since the screening filter plate 7 is set in an inclined state, according to the rebound force generated by the elastic deformation of the return spring 402, the retraction link 403 can be retracted and adjusted into the interior of the mounting support cylinder 401 by the return spring 402, thereby achieving the effect of height adjustment.
[0026] When the sand screening device is in use, firstly, the material is added into the screening chamber 1 through the feed inlet 3. Then, the active motor 102 is started, which can drive the active wheel 104 to rotate through the active shaft 103. The active wheel 104 can drive the driven wheel 107 to rotate through the transmission belt 105. The driven wheel 107 can drive the driven shaft 106 to rotate.
[0027] Furthermore, the drive shaft 103 and driven shaft 106 can drive two sets of rotating cams 201 to rotate synchronously. The two sets of rotating cams 201 will then collide with the two sets of contact blocks 202 at high frequency, thereby driving the screening filter plate 7 and the vibrating frame 8 to achieve high-frequency vibration.
[0028] Through the elastic action of multiple sets of vibration springs 6, the screening filter plate 7 is driven to vibrate at high frequency within the mounting frame 5 to screen the material. At the same time, another set of vibration springs 6 drives the vibration frame 8 to vibrate at the bottom of the mounting frame 5. The vibration frame 8 can drive multiple sets of cleaning support columns 9 to vibrate at high frequency. Furthermore, the multiple sets of cleaning support columns 9 are used to clean the residues accumulated inside the screening filter plate 7 during the vibration process, ensuring screening efficiency and effect.
[0029] In addition, starting the translation motor 301 can drive the translation slider 304 to adjust and move through the translation screw 303. The translation slider 304 can drive the cleaning brush rod 404 to adjust and move through the translation connecting rod 305. The cleaning brush rod 404 can clean the material on the surface of the screening filter plate 7.
[0030] Furthermore, since the screening filter plate 7 is set in an inclined state, the retraction link 403 can be adjusted to the inside of the mounting support cylinder 401 by the rebound force generated by the elastic deformation of the return spring 402, thereby achieving the effect of height adjustment.
[0031] Through the above steps, when the sand screening device is in use, firstly, the material is added into the screening chamber 1 through the feed inlet 3. Then, the drive component is started, which can simultaneously drive the screening filter plate 7 and the vibrating frame 8 to achieve high-frequency vibration through the contact component. Through the upper and lower elastic action of multiple sets of vibration springs 6, the screening filter plate 7 is driven to vibrate at high frequency within the mounting frame 5 to screen the material. At the same time, another set of vibration springs 6 drives the vibrating frame 8 to vibrate at the bottom of the mounting frame 5. The vibrating frame 8 can drive multiple sets of cleaning support columns 9 to vibrate at high frequency. Furthermore, the multiple sets of cleaning support columns 9 are used to clean the residue accumulated inside the screening filter plate 7 during the vibration process to ensure screening efficiency and effect. In addition, starting the translation component can drive the cleaning component to adjust and move, and the surface of the screening filter plate 7 can be cleaned through the cleaning component.
[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A clogging-preventing sand screening device comprising a screening bin (1); characterized in that: It also includes electric control warehouse door (2), feed inlet (3), discharge port (4), mounting frame (5), vibration spring (6), screening filter plate (7), vibration frame (8), cleaning pillar (9), drive assembly, resistance assembly, translation assembly and cleaning assembly; the inside of screening warehouse (1) is provided with mounting frame (5), the top of mounting frame (5) is provided with vibration spring (6), vibration spring (6) is provided with multiple groups, the top of vibration spring (6) is provided with screening filter plate (7), another vibration spring (6) is arranged on the bottom wall of mounting frame (5), the bottom of another vibration spring (6) is provided with vibration frame (8), the top of vibration frame (8) is provided with cleaning pillar (9), cleaning pillar (9) is provided with multiple groups, one side of screening warehouse (1) is provided with drive assembly, one side of drive assembly is provided with resistance assembly, the other side of screening warehouse (1) is provided with electric control warehouse door (2), the top of screening warehouse (1) is provided with feed inlet (3), the bottom of screening warehouse (1) is provided with discharge port (4), the inside of screening warehouse (1) is provided with translation assembly, the bottom of translation assembly is provided with cleaning assembly.
2. A clogging-preventing sand screening device according to claim 1, characterized in that: The drive assembly comprises a mounting shell (101), a driving motor (102), a driving shaft (103), a driving wheel (104) and a transmission belt (105); one side of the screening warehouse (1) is provided with the mounting shell (101), the side wall of the mounting shell (101) is provided with the driving motor (102), the output end of the driving motor (102) is provided with the driving shaft (103), the side wall of the driving shaft (103) is provided with the driving wheel (104), the outside of the driving wheel (104) is provided with the transmission belt (105), and the driving wheel (104) is rotatably connected with the transmission belt (105).
3. A clogging-preventing sand screening apparatus according to claim 1, characterized in that: The drive assembly further comprises a driven shaft (106) and a driven wheel (107); the inside of the screening warehouse (1) is provided with the driven shaft (106), the side wall of the driven shaft (106) is provided with the driven wheel (107), the driven wheel (107) is arranged in the inside of the transmission belt (105), and the driven wheel (107) is rotatably connected with the transmission belt (105).
4. A clogging-preventing sand screening apparatus according to claim 2, characterized in that: The resistance assembly comprises a rotating cam (201) and a resistance block (202); one end of the driving shaft (103) is provided with the rotating cam (201), the rotating cam (201) is provided with two groups, the other rotating cam (201) is arranged at one end of the driven shaft (106), the top of the screening filter plate (7) is provided with the resistance block (202), the resistance block (202) is provided with two groups, and the other resistance block (202) is arranged on the bottom wall of the vibration frame (8).
5. The clog resistant sand screening device of claim 2, wherein: The translation assembly comprises a translation motor (301), a translation sliding rail (302), a translation screw rod (303), a translation sliding block (304) and a translation connecting rod (305); the inside of the screening bin (1) is provided with the translation sliding rail (302), one side of the screening bin (1) is provided with the translation motor (301), the output end of the translation motor (301) is provided with the translation screw rod (303), the translation screw rod (303) is arranged in the inside of the translation sliding rail (302), the sidewall of the translation screw rod (303) is provided with the translation sliding block (304), the translation sliding block (304) is in threaded connection with the translation screw rod (303), and the lower portion of the translation sliding block (304) is provided with the translation connecting rod (305).
6. The clog resistant sand screening device of claim 2, wherein: The translation assembly further comprises a guide sliding rail (306), a guide sliding block (307) and a guide sliding rod (308); the inside of the screening bin (1) is provided with the guide sliding rail (306), the guide sliding rail (306) is provided with two groups, the inside of the guide sliding rail (306) is provided with the guide sliding rod (308), the sidewall of the guide sliding rod (308) is provided with the guide sliding block (307), the guide sliding block (307) is in sliding connection with the guide sliding rod (308), and the upper portion of the translation connecting rod (305) is fixedly connected with the lower portion of the guide sliding block (307).
7. A clogging-preventing sand screening apparatus according to claim 5, characterized in that: The cleaning assembly comprises a mounting support cylinder (401), a reset spring (402), a contraction connecting rod (403) and a cleaning brush rod (404); the lower portion of the translation connecting rod (305) is provided with the mounting support cylinder (401), the mounting support cylinder (401) is provided with multiple groups, the inside of the mounting support cylinder (401) is provided with the reset spring (402), the lower portion of the reset spring (402) is provided with the contraction connecting rod (403), and the lower portion of the contraction connecting rod (403) is provided with the cleaning brush rod (404).