Screening device for high-purity quartz sand production
By combining multi-stage screens and motor-driven screening devices, the problem of low efficiency in single-screen vibrating screening in existing technologies has been solved, achieving efficient quartz sand screening and discharge rate control, thus improving processing efficiency and the practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-03-24
AI Technical Summary
Existing screening devices for high-purity quartz sand production typically use a single vibrating screen, which results in poor screening efficiency and requires multiple operations with different screens, leading to a decrease in processing efficiency.
The system combines multiple inclined screens (II) with a motor-driven screen (I) to perform gravity-driven rolling and rotary screening. The height of the support legs is adjusted by a cylinder to control the discharge rate, thereby improving screening efficiency and stability.
It achieves efficient multi-stage screening, improves the processing efficiency of quartz sand, reduces the workload of workers, and enhances the practicality and stability of the equipment.
Smart Images

Figure CN224025703U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to quartz sand screening device technical field especially relates to a screening device for high purity quartz sand production. BACKGROUND
[0002] High purity quartz sand refers to the content of quartz sand more than 99.9%, its chemical composition on impurity content is extremely low, physical characteristics include high purity, high whiteness, particle size uniformity etc., particle size is generally between 0.1-1mm, particle shape is close to spherical and surface is smooth, also has good chemical stability, high temperature resistance and electrical insulation etc., has important application in semiconductor industry, optical fiber field and high-end glass manufacturing etc. field. Quartz sand needs to carry out simple screening treatment after production, at this time uses quartz sand screening device, and the screening device is the machinery according to the size of material particle size and carries out screening.
[0003] The existing high purity quartz sand production screening device is usually vibrated and screened by a single screen in the using process, however, this method still exists quartz sand particles with obvious size difference after screening, needs to use different screen multiple times to operate, the screening speed is slow, and the problem of the decline of quartz sand processing efficiency is caused. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a screening device for high purity quartz sand production, aims at improving the problem of the decline of quartz sand processing efficiency caused by the vibration screening of a single screen and the operation of different screens multiple times in the prior art.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a screening device for high purity quartz sand production, including the cover plate, the cover plate outer wall one side is connected with the buckle, the buckle lower surface is connected with the shell, the cover plate upper surface is connected with the feed hopper, the cover plate upper surface is connected with the motor, the motor output end is connected with the pivot, the pivot outer wall one side is connected with a plurality of screen one, the shell inside is connected with a plurality of screen two, a plurality of screen two outer wall one side is connected with the connecting frame, the shell inside is connected with the lantern ring, the lantern ring inner wall is connected with the bolt, the bolt one end and the connecting frame outer wall one side are inlaid, the connecting frame inside is connected with the pull rod, the pull rod one end is connected in the bolt inner wall, the pull rod outer wall one side is installed for the limiting assembly of pull rod positioner, the cover plate lower surface is connected with the discharge hopper one, the cover plate lower surface is connected with the discharge hopper two, the shell inside is connected with the shell.
[0006] Further, the limiting assembly comprises a spring two, the spring two is fixedly connected inside the shell, and one end of the spring two is fixedly connected to the outer wall of the pull rod.
[0007] Further, the shell is slidably connected with a plurality of mounting racks, the lower surfaces of the mounting racks are fixedly connected with springs one, one end of the springs one is fixedly connected with support legs one, the lower surfaces of the springs one are fixedly connected with support legs two, the support legs two are rotatably connected with anti-skid plates two, the outer wall of the support legs one is fixedly connected with air cylinders, the output ends of the air cylinders are fixedly connected with connecting rods, the connecting rods are provided with anti-skid assemblies for preventing the device from sliding, and the lower surfaces of the support legs are fixedly connected with support plates.
[0008] Further, the anti-skid assembly comprises an anti-skid plate one, and the anti-skid plate one is rotatably connected inside the connecting rod.
[0009] Further, the outer wall of the cover plate is fixedly connected with a plurality of handles, and the outer wall of the screen one is rotatably connected inside the shell.
[0010] Further, the outer wall of the shell is fixedly connected with a control block, and the shell is rotatably connected with a rotating plate.
[0011] Further, the outer wall of the shell is fixedly connected with a control block, and the shell is rotatably connected with a rotating plate.
[0012] Further, the outer wall of the shell is fixedly connected with a control block, and the shell is rotatably connected with a rotating plate.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] 1、 in the utility model, a plurality of screen two is arranged to be inclined, under the action of gravity, the quartz sand that does not fall after rolling and screening enters screen one, the effect of preliminary screening is realized, and further screening of quartz sand is realized by rotating screen one driven by the motor, the screening effect of quartz sand is improved, the problem that the screening effect is not good in the prior art and needs to be operated multiple times using different screen is solved, and the practicability of the device is improved.
[0015] 2、 in the utility model, the connecting rod is moved by the air cylinder, and then the support leg one is moved up and down, and the anti-skid plate one is rotatably connected with the connecting rod, so that the anti-skid plate one can tightly adhere to the ground, the height of the device is adjusted, the discharging rate is controlled, the problem that the work load of workers and the physical strength of workers are increased when the screening device is lifted and the cushion block is placed at the bottom end of the support leg is solved, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A high-purity quartz sand production screening device is provided with a shell, a cover plate, a feeding hopper, a spring, a motor, a screen, a rotating shaft, a second screen, an outlet hopper, a support leg, a cylinder, a support plate, a connecting rod, a sleeve ring, a connecting frame, a second spring, and an anti-skid plate.
[0017] Figure 2 A high-purity quartz sand production screening device is provided with a shell, a cover plate, a feeding hopper, a spring, a motor, a screen, a rotating shaft, a second screen, an outlet hopper, a support leg, a cylinder, a support plate, a connecting rod, a sleeve ring, a connecting frame, a second spring, and an anti-skid plate.
[0018] Figure 3 A high-purity quartz sand production screening device is provided with a shell, a cover plate, a feeding hopper, a spring, a motor, a screen, a rotating shaft, a second screen, an outlet hopper, a support leg, a cylinder, a support plate, a connecting rod, a sleeve ring, a connecting frame, a second spring, and an anti-skid plate.
[0019] Figure 4 A high-purity quartz sand production screening device is provided with a shell, a cover plate, a feeding hopper, a spring, a motor, a screen, a rotating shaft, a second screen, an outlet hopper, a support leg, a cylinder, a support plate, a connecting rod, a sleeve ring, a connecting frame, a second spring, and an anti-skid plate.
[0020] Figure 5 A high-purity quartz sand production screening device is provided with a shell, a cover plate, a feeding hopper, a spring, a motor, a screen, a rotating shaft, a second screen, an outlet hopper, a support leg, a cylinder, a support plate, a connecting rod, a sleeve ring, a connecting frame, a second spring, and an anti-skid plate.
[0021] Figure 6 A high-purity quartz sand production screening device is provided with a shell, a cover plate, a feeding hopper, a spring, a motor, a screen, a rotating shaft, a second screen, an outlet hopper, a support leg, a cylinder, a support plate, a connecting rod, a sleeve ring, a connecting frame, a second spring, and an anti-skid plate.
[0022] Legend:
[0023] 1, shell; 2, cover plate; 3, feeding hopper; 4, spring; 5, motor; 6, screen; 7, rotating shaft; 8, second screen; 9, outlet hopper; 10, outlet hopper; 11, shell; 12, control block; 13, handle; 14, rotating plate; 15, buckle; 16, support leg; 17, support leg; 18, cylinder; 19, support plate; 20, connecting rod; 21, anti-skid plate; 22, mounting frame; 23, bolt; 24, pull rod; 25, sleeve ring; 26, connecting frame; 27, second spring; 28, anti-skid plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0025] Reference Figure 1 - Figure 5The utility model provides a kind of embodiment: a kind of screening device for high-purity quartz sand production, including cover plate 2, cover plate 2 outer wall one side is fixedly connected with buckle 15, the lower surface of buckle 15 is fixedly connected with shell 1, buckle 15 plays the role of connecting and fixed cover plate 2 with shell 1, cover plate 2 can be quickly installed and disassembled by buckle 15, it is convenient to maintain and clean inside screening device, cover plate 2 upper surface is fixedly connected with inlet hopper 3, cover plate 2 upper surface is fixedly connected with motor 5, the output end of motor 5 is fixedly connected with shaft 7, the outer wall one side of shaft 7 is fixedly connected with multiple screen mesh one 6, the rotation of screen mesh one 6 can be stirred and screened to quartz sand, improve screening efficiency, simultaneously, different aperture screen mesh one 6 can be classified and screened to quartz sand, satisfy the production demand of different granularity requirement, multiple screen mesh two 8 are slidably connected in shell 1, screen mesh two 8 and screen mesh one 6 are mutually matched, further improve the precision and effect of screening, the outer wall one side of multiple screen mesh two 8 is fixedly connected with connecting frame 26, connecting frame 26 provides support and connecting effect for screen mesh two 8, sleeve ring 25 is fixedly connected in shell 1, the inner wall of sleeve ring 25 is threadedly connected with bolt 23, by rotating bolt 23, the position of bolt 23 can be adjusted, so that its one end and the outer wall one side of connecting frame 26 are inlaid, to fix the position of screen mesh two 8, the outer wall one side of connecting frame 26 is inlaid in the one end of bolt 23, pull rod 24 is slidably connected in the inner wall of bolt 23, when bolt 23 is tightened, pull rod 24 is fixed in the inner wall of bolt 23, further enhance the stability of screen mesh two 8, the outer wall one side of pull rod 24 is installed with the limiting assembly for limiting pull rod 24, the lower surface of cover plate 2 is fixedly connected with discharge hopper one 9, the lower surface of cover plate 2 is fixedly connected with discharge hopper two 10, discharge hopper one 9 and discharge hopper two 10 are used to collect quartz sand of different granularity respectively, guide quartz sand after screening to specified position and carry out subsequent processing, shell 11 is fixedly connected in shell 1, and the limiting assembly includes spring two 27, spring two 27 is fixedly connected in shell 1, the outer wall one side of spring two 27 is fixedly connected in pull rod 24, spring two 27 can exert a spring force to pull rod 24, so that it always remains in certain position, prevent pull rod 24 from accidentally sliding in working process, to ensure the stability of screen mesh two 8.
[0026] Refer to Figure 1 And Figure 6The shell 1 is internally connected with a plurality of mounting racks 22, the lower surface of the plurality of mounting racks 22 is fixedly connected with a spring 4, in the working process of the screening device, vibration may occur, the spring 4 can absorb and alleviate these vibrations, so that the device runs more stably, one end of the two springs 4 is fixedly connected with a support leg 16, the support leg 16 provides the main support force for the device, ensuring that the device can be stably placed on the ground during work, the lower surface of the two springs 4 is fixedly connected with a support leg 17, the support leg 17 is internally rotatably connected with an anti-skid plate 28, the anti-skid plate 28 can increase the friction between the support leg 17 and the ground, preventing the device from sliding during work, especially when the ground is relatively smooth or is subjected to external force, the anti-skid plate 28 can effectively ensure the position stability of the device, the support leg 16 is fixedly connected with a cylinder 18 on one side of the outer wall, the output end of the cylinder 18 is fixedly connected with a connecting rod 20, through the extension and contraction movement of the cylinder 18, the position of the connecting rod 20 can be controlled, the connecting rod 20 is provided with an anti-skid assembly for preventing the device from sliding at one end, the lower surface of the support leg 16 is fixedly connected with a support plate 19, the anti-skid assembly comprises an anti-skid plate 21, the anti-skid plate 21 is rotatably connected in the connecting rod 20, the rotatable connection design of the anti-skid plate 21 enables it to adjust the angle according to the ground conditions to achieve the best anti-skid effect, the outer wall of the cover plate 2 is fixedly connected with a plurality of handles 13, the handles 13 facilitate the operator to open and close the cover plate 2, and perform operations such as maintenance, cleaning and replacement of the screen, the outer wall of the screen 6 is rotatably connected in the outer shell 11, the outer wall of the shell 1 is fixedly connected with a control block 12, the operator can conveniently adjust the working state of the device through the control block 12 to meet different screening requirements, the shell 1 is rotatably connected with a rotating plate 14, a pull rod 24 is slidably connected in the shell 1 on one side of the outer wall, the pull rod 24 is arranged in an arc shape, the outer wall of the connecting rod 20 is slidably connected in the inner wall of the support plate 19, and the spring 4 is used for buffering to stabilize the device.
[0027] Working principle: when using the device, first start the motor 5 to drive the screen one 6 to rotate inside the shell 11; then pour the quartz sand from the feeding hopper 3 into the device, the screen two 8 is set to be inclined, the quartz sand falls on its upper surface and rolls due to gravity, and is discharged from the discharge hopper one 9 after being screened by three layers of screen two 8, the quartz sand that does not fall into the discharge hopper one 9 rolls into the screen one 6, the rotation of the screen one 6 makes the screening process faster, and finally the screened quartz sand falls out of the discharge hopper two 10; when the screen two 8 is blocked or even damaged, it needs to be replaced, at this time we need to open the buckle 15, take up the cover plate 2, then pull the pull rod 24 to make it separate from the bolt 23, rotate the bolt 23 through the sleeve ring 25 connected with it by thread, so that one end of the bolt 23 leaves the connecting frame 26, at this time the screen two 8 can be taken out, when cleaning the screen one 6, rotate the turn plate 14 or take up the cover plate 2; when the discharge rate needs to be controlled, start the air cylinder 18, which drives the connecting rod 20 to move and then pushes the supporting leg one 16 to move up and down, one end of the connecting rod 20 is rotatably connected with one end of the non-slip plate one 21, so when the supporting leg one 16 rises and falls, the non-slip plate one 21 can tightly adhere to the ground to prevent displacement, the rising and falling of the supporting leg one 16 changes the inclination angle of the screen two 8, so as to change the discharge rate.
[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A screening device for the production of high purity quartz sand, comprising a cover plate (2), characterized in that: The outer wall side of the cover plate (2) is fixedly connected with a buckle (15), the lower surface of the buckle (15) is fixedly connected with a shell (1), the upper surface of the cover plate (2) is fixedly connected with a feeding hopper (3), the upper surface of the cover plate (2) is fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with a rotating shaft (7), the outer wall side of the rotating shaft (7) is fixedly connected with a plurality of screen meshes (6), a plurality of screen meshes (8) are slidably connected in the shell (1), the outer wall side of each of the plurality of screen meshes (8) is fixedly connected with a connecting frame (26), a sleeve ring (25) is fixedly connected in the shell (1), the inner wall of the sleeve ring (25) is threadedly connected with a bolt (23), one end of the bolt (23) is attached to the outer wall side of the connecting frame (26), a pull rod (24) is slidably connected in the connecting frame (26), one end of the pull rod (24) is slidably connected to the inner wall of the bolt (23), a limiting assembly for limiting the pull rod (24) is mounted on the outer wall side of the pull rod (24), the lower surface of the cover plate (2) is fixedly connected with a discharge hopper (9), the lower surface of the cover plate (2) is fixedly connected with a discharge hopper (10), and the shell (1) is fixedly connected with an outer shell (11).
2. The screening device for producing high-purity quartz sand according to claim 1, characterized in that: The limiting assembly comprises a spring (27) fixedly connected in the shell (1), and one end of the spring (27) is fixedly connected to the outer wall side of the pull rod (24).
3. The screening device for producing high-purity quartz sand according to claim 1, characterized in that: A plurality of mounting frames (22) are slidably connected in the shell (1), the lower surface of each of the plurality of mounting frames (22) is fixedly connected with a spring (4), one end of each of the two springs (4) is fixedly connected with a supporting leg (16), the lower surface of each of the two springs (4) is fixedly connected with a supporting leg (17), a non-slip plate (28) is rotatably connected in the supporting leg (17), a gas cylinder (18) is fixedly connected to the outer wall side of the supporting leg (16), a connecting rod (20) is fixedly connected to the output end of the gas cylinder (18), a non-slip assembly for preventing the device from sliding is mounted on one end of the connecting rod (20), and a supporting plate (19) is fixedly connected to the lower surface of the supporting leg (16).
4. The screening device for producing high-purity quartz sand according to claim 3, characterized in that: The non-slip assembly comprises a non-slip plate (21) rotatably connected in the connecting rod (20).
5. The screening device for producing high-purity quartz sand according to claim 1, characterized in that: A plurality of handles (13) are fixedly connected to the outer wall side of the cover plate (2), and the outer wall side of the screen mesh (6) is rotatably connected in the outer shell (11).
6. The screening device for producing high-purity quartz sand according to claim 1, characterized in that: A control block (12) is fixedly connected to the outer wall side of the shell (1), and a rotating plate (14) is rotatably connected in the shell (1).
7. The screening device for producing high-purity quartz sand according to claim 1, characterized in that: The outer wall side of the pull rod (24) is slidably connected in the shell (1), and the pull rod (24) is arranged in a curved shape.
8. The screening device for producing high-purity quartz sand according to claim 3, characterized in that: The outer wall side of the connecting rod (20) is slidably connected to the inner wall of the supporting plate (19), and the spring (4) is used for buffering and stabilizing the device.