A high-purity quartz sand manufacturing apparatus and method

By designing the reciprocating rotation and oscillating motion of the screening frame, combined with the wave-shaped screen and conveying screening components, the problems of low screening efficiency and easy damage of existing sand making equipment have been solved, and efficient and stable production of high-purity quartz sand has been achieved.

CN117324258BActive Publication Date: 2026-02-10CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP CO LTD +1
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Patent Information

Application Number
CN202311524065.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-10
Publication Date
2026-02-10
Estimated Expiration
2043-11-10

AI Technical Summary

Technical Problem

Existing sand making equipment suffers from problems such as low screening efficiency, limited equipment processing capacity, easy clogging of screen holes, and easy damage to equipment, making it difficult to meet the high-efficiency production needs of high-purity quartz sand.

Method used

A sand making device using high-purity quartz sand is used. By setting up motion components, the screening frame is made to reciprocate and swing. Combined with a corrugated screen and conveying screening components, multi-stage screening and uniform material distribution are achieved, improving screening efficiency and equipment stability.

Benefits of technology

It improved screening efficiency and equipment processing capacity, reduced equipment wear and maintenance workload, ensured the accuracy and consistency of screening results, and reduced safety hazards.

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Abstract

The application discloses a sand making equipment for high-purity quartz sand and a method thereof, and relates to the technical field of sand making equipment. The sand making equipment comprises a box body, a feeding assembly is arranged at the top of the box body, a screening frame is arranged in the inner cavity of the box body and below the feeding assembly, positioning plates are fixedly installed at the two ends of the inner wall of the box body and are arranged at the bottom of the screening frame, swinging mechanisms for driving the screening frame to screen quartz sand are arranged on the positioning plates, movement assemblies for driving the swinging mechanisms to work are arranged below the swinging mechanisms, a motor is arranged on one side of the box body, and the motor is in transmission connection with the movement assemblies through a belt and a belt pulley. The sand making equipment for high-purity quartz sand and the method thereof are characterized in that the movement assemblies are arranged, the screening frame is reciprocatingly rotated and reciprocatingly swings at the same time, the movement mode can comprehensively clean and screen the quartz sand in the screening process, and the screening efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sand making equipment, in particular to a sand making equipment for high-purity quartz sand and a method thereof. BACKGROUND

[0002] Quartz sand is an important industrial raw material, widely used in glass, ceramics, photovoltaic, semiconductor and other fields. With the continuous progress of science and technology, the purity, particle size and uniformity of quartz sand are increasingly required. Therefore, developing a sand making equipment for high-purity quartz sand is of great significance to meet the needs of modern industry.

[0003] Currently, the sand making equipment for producing high-purity quartz sand usually uses screen mesh or vibrating screen and other equipment for screening and cleaning, but has the following defects:

[0004] Low screening efficiency: the traditional vibrating screen is difficult to achieve full cleaning and screening during the quartz sand screening process, and the screening efficiency is not high, which affects the quality and yield of the product;

[0005] Limited processing capacity: the processing capacity per unit time of the existing sand making equipment is limited, which cannot meet the large-scale and high-efficiency production demand;

[0006] Screen hole clogging problem: the screen hole is easily clogged by quartz sand particles, which requires frequent shutdown for cleaning, affecting the production efficiency and continuous operation of the equipment;

[0007] Equipment is easy to be damaged: due to the uneven distribution of the material by the vibrating screen and other equipment, local excessive stress can cause equipment wear and damage, increasing the maintenance cost and safety risk of the equipment. SUMMARY

[0008] In view of the deficiencies of the prior art, the present application provides a sand making equipment for high-purity quartz sand and a method thereof, which solves the technical problems mentioned in the background art.

[0009] To achieve the above purpose, the present application realizes the following technical scheme: a sand making equipment for high-purity quartz sand, comprising a box body, a feeding assembly is arranged on the top of the box body, a screening frame is arranged in the inner cavity of the box body below the feeding assembly, a positioning plate is fixedly installed at both ends of the inner wall of the box body at the bottom of the screening frame, an oscillating mechanism for driving the screening frame to screen the quartz sand is arranged on the positioning plate, a movement assembly for driving the oscillating mechanism to work is arranged below the oscillating mechanism, a motor is arranged on one side of the box body, and the motor is in transmission connection with the movement assembly through a belt and a belt pulley;

[0010] The movement assembly comprises a fixed rod rotatably mounted on the inner wall of the box, a first gear is fixedly connected to the middle part of the fixed rod, and a moving piece is arranged below the first gear, the moving piece comprises limiting rods fixedly mounted on both sides of the inner wall of the box, a first rack is slidably connected to the limiting rods, the first rack is in meshing connection with the bottom of the first gear, one end of the first rack is fixedly connected with a moving frame, and a traction groove is formed in the surface of the moving frame.

[0011] As a further preferred embodiment of the present technical solution, one side of the moving frame is provided with a movable piece, the movable piece comprises a rotating shaft rotatably mounted on the box, a connecting rod is fixedly connected to the inner side end of the rotating shaft, the outer side end of the connecting rod extends to the outside through the box and is in transmission connection with the motor through a belt and a belt pulley, the other end of the connecting rod is fixedly connected with a driving rod, and the driving rod is slidably installed in the traction groove.

[0012] As a further preferred embodiment of the present technical solution, the swinging mechanism comprises a U-shaped frame rotatably mounted on the inner side ends of the two positioning plates, rotating rods and rotating rods are arranged at the two ends of the bottom of the U-shaped frame, and the rotating rods and the rotating rods are rotatably mounted on the positioning plates, the inner side end of the rotating rod is rotatably connected with the U-shaped frame, and the outer side end is fixedly connected with a third gear, the inner side end of the rotating rod is fixedly connected with the U-shaped frame, and the outer side end is fixedly connected with a fourth gear, and the fourth gear is in transmission connection with the third gear and the movement assembly, the top of the U-shaped frame is rotatably connected with a driving shaft, the top of the driving shaft is fixedly connected with the bottom center of the screening frame, and the bottom is fixedly connected with a first bevel gear in meshing connection with the first bevel gear.

[0013] As a further preferred embodiment of the present technical solution, the bottom of the positioning plate is provided with a dialing piece, the dialing piece comprises a second rack slidably mounted on the bottom of the positioning plate, the bottom of the second rack is in meshing connection with the third gear, the bottom of the second rack is fixedly connected with dialing rods, and the positions of the dialing rods correspond to the positions of the bottom of the screening frame.

[0014] As a further preferred embodiment of the present technical solution, the feeding assembly comprises a cover plate arranged at the top of the box, the cover plate is fixedly connected with a feeding hopper, and the bottom of the feeding hopper is symmetrically provided with a distribution pipe on both sides.

[0015] As a further preferred embodiment of the present technical solution, the left end of the box is fixedly mounted with a mounting frame, the inner side of the mounting frame is fixedly connected with a spring, the other end of the spring is fixedly connected with a push plate, the push plate is sealingly and slidably installed in the mounting frame, and the position of the push plate corresponds to the position of the moving piece.

[0016] As a further preferred embodiment of the present application, the middle part of the bottom end of the inner cavity of the screening frame is fixedly connected with a material blocking plate, both sides of the material blocking plate are provided with a screen mesh, the positions of the screen mesh and the poking rod correspond to each other, and the screen mesh is in a wave shape.

[0017] As a further preferred embodiment of the present application, the lower part of the movement assembly is provided with a conveying and screening assembly, the conveying and screening assembly comprises a support plate fixedly installed around the bottom end of the box body, the inner side end of the support plate is drivingly connected with a conveying belt through a conveying roller, the conveying belt is in a net structure, the output end of the motor is fixedly connected with the conveying roller, the left bottom of the conveying belt is provided with a first discharge hopper, both inner side ends of the conveying belt are provided with inclined seats fixedly installed on the inner wall of the box body, the inner side end of each inclined seat is provided with a second discharge hopper, and the outer wall of the conveying belt is provided with a plurality of convex strips at equal intervals, the height of the convex strip is adapted to the height of the moving frame.

[0018] The application also discloses a use method of the sand making equipment for high-purity quartz sand.

[0019] Step one: start the feeding and turn on the motor to start the equipment, and then add the quartz sand into the box body through the feeding assembly;

[0020] Step two: screening and swinging, the screening frame is screened under the driving of the movement assembly, and the swinging mechanism drives the screening frame to swing to screen out the quartz sand meeting the requirements;

[0021] Step three: conveying and separating, the screened quartz sand is conveyed and secondarily screened through the conveying and screening assembly below the movement assembly.

[0022] Compared with the prior art, the application has the following advantages:

[0023] The movement assembly is arranged, so that the screening frame rotates and swings reciprocally at the same time, the movement mode can make the quartz sand be more fully cleaned and screened during the screening process, and the screening efficiency is improved, the reciprocating rotation and swinging movement of the screening frame increase the cleaning and screening area of the equipment for the quartz sand, thereby improving the processing capacity of the equipment per unit time, the material in the feeding assembly can be uniformly distributed into the screening frame, the uniform distribution of the material can make the transmission system and structure of the screening frame bear force more uniformly, the risk of equipment wear and damage caused by uneven force is reduced, the uniform distribution of the material can ensure that each part of the material has an equal opportunity to be screened, the accuracy and consistency of the screening are improved, which helps to ensure that the screening result meets the expectation and reduces the screening error, and the uniform distribution of the material can reduce the equipment problems and operation risks caused by local excessive pressure or accumulation, thereby reducing the maintenance workload and safety hazards.

[0024] The wave-shaped screen can effectively disperse the materials, improve the preliminary screening effect, increase the screening area of the screen, improve the screening efficiency, effectively prevent the materials from being blocked, and help improve the screening quality; the wave-shaped screen arranged on both sides of the material blocking plate increases the screening area at the bottom of the screening frame, thereby improving the processing capacity and screening efficiency; meanwhile, when the stirring member moves, it can realize the shaking operation at different heights of the screen, so that the materials in the screening frame are screened under the action of inertia to form different screening operations.

[0025] The conveying and screening assembly is arranged, the conveying belt is driven by the moving frame to be connected to the vibration operation, the materials are subjected to secondary screening treatment, multi-stage screening operation is formed, and the materials are discharged through the first discharge hopper and the second discharge hopper; the conveying and screening assembly is arranged, vibration operation is added to the original conveying process, continuous screening treatment is realized by using vibration, multi-stage screening is realized, the screening efficiency is improved, meanwhile, the convex strips and the moving frame ensure the stability and transmission effect of vibration, and normal material treatment and transportation are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the application;

[0027] Figure 2 It is a schematic diagram of the plane structure of the box body in the application;

[0028] Figure 3 It is a schematic diagram of the structure of the moving assembly in the application;

[0029] Figure 4 It is a schematic diagram of the structure of the swinging mechanism and the stirring member in the application;

[0030] Figure 5 It is a schematic diagram of the structure of the screening frame in the application;

[0031] Figure 6 It is a schematic diagram of the structure of the conveying and screening assembly in the application.

[0032] As shown in the figure: 1, box; 2, feeding assembly; 3, screening frame; 4, movement assembly; 5, conveying and screening assembly; 6, motor; 7, belt; 11, mounting frame; 12, spring; 13, push plate; 21, cover plate; 22, feeding hopper; 23, distribution pipe; 31, material blocking plate; 32, screen; 41, fixed rod; 42, first gear; 43, moving piece; 44, movable piece; 45, second gear; 46, positioning plate; 47, swing mechanism; 48, actuating piece; 431, limiting rod; 432, first rack; 433, moving frame; 434, traction groove; 441, rotating shaft; 442, connecting rod; 443, drive rod; 471, U-shaped frame; 472, rotating rod; 473, rotating rod; 474, third gear; 475, fourth gear; 476, first bevel gear; 477, drive shaft; 478, second bevel gear; 481, second rack; 482, actuating rod; 51, support plate; 52, conveying belt; 53, first discharge hopper; 54, inclined seat; 55, second discharge hopper; 56, convex strip. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a 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 work fall within the scope of protection of the present application.

[0034] Embodiment one: in combination Figures 1-6 As shown in the figure, the present application provides a technical solution: a high-purity quartz sand making equipment, which comprises a box 1, the top of the box 1 is provided with a feeding assembly 2, the inner cavity of the box 1 is provided with a screening frame 3 located below the feeding assembly 2, the bottom of the screening frame 3 is provided with a positioning plate 46 fixedly installed at both ends of the inner wall of the box 1, the positioning plate 46 is provided with a swing mechanism 47 for driving the screening frame 3 to screen the quartz sand, the lower side of the swing mechanism 47 is provided with a movement assembly 4 for driving the swing mechanism 47 to work, one side of the box 1 is provided with a motor 6, the motor 6 is drivingly connected with the movement assembly 4 through a belt 7 and a belt pulley;

[0035] The movement assembly 4 comprises a fixed rod 41 rotatably installed on the inner wall of the box 1, a first gear 42 fixedly connected to the middle position of the fixed rod 41, and a moving piece 43 provided below the first gear 42, the moving piece 43 comprises limiting rods 431 fixedly installed on both sides of the inner wall of the box 1, the limiting rods 431 are slidably connected with first racks 432, the first racks 432 are in meshing connection with the bottom of the first gear 42, one end of the first rack 432 is fixedly connected with a moving frame 433, and the surface of the moving frame 433 is provided with a traction groove 434;

[0036] One side of the mobile frame 433 is provided with a movable part 44, the movable part 44 includes a rotating shaft 441 rotatably installed on the box body 1, the inner side end of the rotating shaft 441 is fixedly connected with a connecting rod 442, the outer side end of the rotating shaft 441 extends to the outside through the box body 1 and is drivingly connected with the motor 6 through the belt 7 and the belt pulley, the other end of the connecting rod 442 is fixedly connected with a driving rod 443, and the driving rod 443 is slidingly installed in the traction groove 434.

[0037] The swing mechanism 47 includes a U-shaped frame 471 rotatably installed on the inner side end of the two positioning plates 46, the bottom two ends of the U-shaped frame 471 are respectively provided with a rotating rod 472 and a rotating rod 473, and the rotating rod 472 and the rotating rod 473 are rotatably installed on the positioning plate 46, the inner side end of the rotating rod 472 is rotatably connected with the U-shaped frame 471, and the outer side end of the rotating rod 472 is fixedly connected with a third gear 474, the inner side end of the rotating rod 473 is fixedly connected with the U-shaped frame 471, and the outer side end of the rotating rod 473 is fixedly connected with a fourth gear 475, and the fourth gear 475 and the third gear 474 are drivingly matched with the movement assembly 4, the top of the U-shaped frame 471 is rotatably connected with a driving shaft 477, the top of the driving shaft 477 is fixedly connected with the bottom center of the screening frame 3, and the bottom of the driving shaft 477 is fixedly connected with a first bevel gear 476 which is meshed with the first bevel gear 476;

[0038] The bottom of the positioning plate 46 is provided with a dialing part 48, the dialing part 48 includes a second rack 481 slidingly installed on the bottom of the positioning plate 46, and the bottom of the second rack 481 is meshingly connected with the third gear 474, the bottom two ends of the second rack 481 are fixedly connected with dialing rods 482, and the positions of the dialing rods 482 correspond to the positions of the bottom of the screening frame 3.

[0039] In the embodiment of the application, by starting the motor 6, the rotating shaft 441, the connecting rod 442 and the driving rod 443 are driven to rotate, so that the driving rod 443 drives the moving frame 433, the first rack 432 and the first gear 42 to move back and forth, so that the first gear 42 drives the fixed rod 41 and the second gear 45 to rotate synchronously, and the second gear 45 drives the third gear 474 and the fourth gear 475 to rotate in opposite directions, so that the third gear 474 drives the rotating rod 472 and the first bevel gear 476 to rotate synchronously, the second bevel gear 478 is driven to mesh and rotate, and the fourth gear 475 drives the rotating rod 473 to rotate, and the U-shaped frame 471 and the driving shaft 477 drive the screening frame 3 to reciprocating swing, so that the screening frame 3 rotates back and forth while reciprocating, which can make the quartz sand more fully cleaned and screened during the screening process, improve the screening efficiency, and the reciprocating rotation and swing movement of the screening frame 3 can increase the cleaning and screening area of the equipment, thereby improving the processing capacity of the equipment per unit time, and can also make the material in the feeding assembly 2 evenly distributed in the screening frame 3. The evenly distributed material can make the transmission system and structure of the screening frame bear more uniform stress, reduce the risk of equipment wear and damage caused by uneven stress, and the uniform distribution of the material can ensure that every part of the material has an equal opportunity to be screened, improving the accuracy and consistency of the screening, which helps to ensure that the screening result meets the expectations and reduces the screening error. At the same time, the evenly distributed material can reduce the equipment problems and operation risks caused by local excessive pressure or accumulation, reduce the maintenance workload and safety hazards.

[0040] Embodiment two: in combination Figure 2 As shown, on the basis of embodiment one, the feeding assembly 2 comprises a cover plate 21 arranged on the top of the box body 1, and the cover plate 21 is fixedly connected with a feeding hopper 22, and the bottom of the feeding hopper 22 is symmetrically provided with a distribution pipe 23.

[0041] In the embodiment of the application, the feeding hopper 22 and the distribution pipe 23 are arranged to distribute the material in the feeding hopper 22, and the material enters the screening frame 3 below through the distribution pipes 23 on both sides, realizing uniform distribution of the material.

[0042] Embodiment three: in combination Figure 2As shown, on the basis of embodiment two, the left end of the box body 1 is fixedly provided with a mounting frame 11, the inner side of the mounting frame 11 is fixedly connected with a spring 12, the other end of the spring 12 is fixedly connected with a push plate 13, and the push plate 13 is sealingly and slidingly installed in the mounting frame 11, and the position of the push plate 13 corresponds to the position of the moving piece 43.

[0043] In the embodiment of the application, the design of the mounting frame 11, the spring 12 and the push plate 13 installed at the left end of the box body 1 provides a stable support and pushing device, and effectively promotes the movement of the screening frame 3 through the corresponding relationship with the moving piece 43, which helps to realize a stable and efficient screening process.

[0044] Embodiment four: in combination Figure 5 As shown, on the basis of embodiment three, the middle position of the inner cavity bottom end of the screening frame 3 is fixedly connected with a material blocking plate 31, both sides of the material blocking plate 31 are provided with a screen 32, the position of the screen 32 corresponds to the position of the push rod 482, and the screen 32 is in a wave shape.

[0045] In the embodiment of the application, the wave-shaped screen 32 can effectively disperse the material during screening, improve the preliminary screening effect, and the wave-shaped screen 32 can increase the screening area and improve the screening efficiency, and the wave-shaped design can also effectively prevent the material from being blocked, which helps to improve the screening quality; by providing the wave-shaped screen on both sides of the material blocking plate, the screening area at the bottom of the screening frame is increased, thereby improving the processing capacity and screening efficiency; at the same time, when the pusher 48 moves, it will realize the shaking operation of the screen 32 at different heights, so that the material in the screening frame 3 is screened under the action of inertia, forming different screening operations.

[0046] Embodiment five: in combination Figure 6 As shown, on the basis of embodiment four, a conveying and screening assembly 5 is arranged below the movement assembly 4, the conveying and screening assembly 5 comprises a support plate 51 fixedly installed at the bottom end of the box body 1, a conveying belt 52 in a net structure is drivingly connected to the support plate 51 through a conveying roller, the output end of the motor 6 is fixedly connected to the conveying roller, a first discharge hopper 53 is arranged at the left bottom of the conveying belt 52, inclined seats 54 fixedly installed on the inner wall of the box body 1 are arranged at both ends of the inner side of the conveying belt 52, a second discharge hopper 55 is arranged at the inner side end of the inclined seat 54, a plurality of protrusions 56 are equidistantly arranged on the outer wall of the conveying belt 52, and the height of the protrusions 56 is adapted to the height of the moving frame 433.

[0047] In the embodiment of the present application, when the motor 6 is running, the materials screened out by the screening frame 3 fall on the conveying belt 52, which is driven by the motor 6 and the conveying roller to move, and since the conveying belt 52 is a net structure and the bottom of the moving frame 433 successively contacts the convex strips 56 during reciprocating movement, the conveying belt 52 is driven by the moving frame 433 to perform connected vibration operation, so as to facilitate secondary screening of the materials, form multi-stage screening operation, and then discharge through the first discharge hopper 53 and the second discharge hopper 55; by arranging the conveying and screening assembly 5, vibration operation is added to the original conveying process, continuous screening is performed by vibration, multi-stage screening is realized, and the screening efficiency is improved, and meanwhile, the adapted convex strips and the moving frame ensure the stability and transmission effect of vibration, so as to ensure normal material processing and transportation.

[0048] The application further discloses a use method of the sand making equipment for high-purity quartz sand.

[0049] Step one: starting and feeding, opening the motor 6 to start the equipment, and adding quartz sand into the box 1 through the feeding assembly 2;

[0050] Step two: screening and swinging, the screening frame 3 is driven by the movement assembly 4 to perform screening, and the swinging mechanism 47 drives the screening frame 3 to swing, so as to screen out the required quartz sand;

[0051] Step three: conveying and separating, the screened quartz sand is conveyed and secondarily screened by the conveying and screening assembly 5 below the movement assembly 4.

[0052] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sand making device for high-purity quartz sand, comprising a housing (1), characterized in that: The top of the box (1) is provided with a feeding assembly (2), and the inner cavity of the box (1) is provided with a screening frame (3) located below the feeding assembly (2). The bottom of the screening frame (3) is provided with a positioning plate (46) fixedly installed at both ends of the inner wall of the box (1). The positioning plate (46) is provided with a swing mechanism (47) for driving the screening frame (3) to screen the quartz sand. Below the swing mechanism (47) is a motion component (4) for driving the swing mechanism (47) to work. A motor (6) is provided on one side of the box (1). The motor (6) is connected to the motion component (4) through a belt (7) and a pulley. The motion component (4) includes a fixed rod (41) rotatably mounted on the inner wall of the housing (1). A first gear (42) is fixedly connected to the middle of the fixed rod (41), and a moving part (43) is provided below the first gear (42). The moving part (43) includes a limiting rod (431) fixedly mounted on both sides of the inner wall of the housing (1). A first rack (432) is slidably connected to the limiting rod (431), and the first rack (432) meshes with the bottom of the first gear (42). A moving frame (433) is fixedly connected to one end of the first rack (432), and a traction groove (434) is opened on the surface of the moving frame (433). A movable part (44) is provided on one side of the movable frame (433). The movable part (44) includes a rotating shaft (441) rotatably mounted on the housing (1). The inner end of the rotating shaft (441) is fixedly connected to a connecting rod (442), and the outer end extends through the housing (1) to the outside and is connected to the motor (6) via a belt (7) and a pulley. The other end of the connecting rod (442) is fixedly connected to a drive rod (443), and the drive rod (443) is slidably mounted in the traction groove (434). The swing mechanism (47) includes a U-shaped frame (471) rotatably mounted on the inner ends of two positioning plates (46). A rotating rod (472) and a rotating rod (473) are respectively provided at the bottom ends of the U-shaped frame (471), and both the rotating rod (472) and the rotating rod (473) are rotatably mounted on the positioning plates (46). The inner end of the rotating rod (472) is rotatably connected to the U-shaped frame (471), and the outer end is fixedly connected to a third gear (474). The rotating rod (473)... The inner end of the frame (471) is fixedly connected to the U-shaped frame (471), and the outer end is fixedly connected to the fourth gear (475). The fourth gear (475) and the third gear (474) are mutually driven and adapted to the motion component (4). The top of the U-shaped frame (471) is rotatably connected to the drive shaft (477). The top of the drive shaft (477) is fixedly connected to the bottom center of the screening frame (3), and the bottom is fixedly connected to the first bevel gear (476) that meshes with the first bevel gear (476). The bottom of the positioning plate (46) is provided with a toggle member (48), which includes a second rack (481) slidably installed on the bottom of the positioning plate (46), and the bottom of the second rack (481) is meshed with a third gear (474). The bottom ends of the second rack (481) are fixedly connected with toggle rods (482), and the position of the toggle rods (482) corresponds to the bottom position of the screening frame (3).

2. The sand making equipment for high-purity quartz sand according to claim 1, characterized in that: The feeding assembly (2) includes a cover plate (21) set on the top of the box (1), a feeding hopper (22) fixedly connected to the cover plate (21), and a distribution pipe (23) symmetrically arranged on both sides of the bottom of the feeding hopper (22).

3. The sand making equipment for high-purity quartz sand according to claim 1, characterized in that: A mounting frame (11) is fixedly installed on the left side of the box (1). A spring (12) is fixedly connected to the inner side of the mounting frame (11). A push plate (13) is fixedly connected to the other end of the spring (12). The push plate (13) is sealed and slidably installed in the mounting frame (11). The position of the push plate (13) corresponds to the position of the moving part (43).

4. The sand making equipment for high-purity quartz sand according to claim 1, characterized in that: A baffle plate (31) is fixedly connected to the middle of the bottom of the inner cavity of the screening frame (3). A screen (32) is provided on both sides of the baffle plate (31), and the position of the screen (32) corresponds to the position of the lever (482). The screen (32) is wavy.

5. The sand making equipment for high-purity quartz sand according to claim 1, characterized in that: Below the motion component (4) is a conveying and screening component (5). The conveying and screening component (5) includes a support plate (51) fixedly installed around the bottom of the box (1). The inner end of the support plate (51) is connected to a conveyor belt (52) via a conveyor roller. The conveyor belt (52) has a mesh structure. The output end of the motor (6) is fixedly connected to the conveyor roller. A first discharge hopper (53) is provided at the bottom left side of the conveyor belt (52). Inclined seats (54) fixedly installed on the inner wall of the box (1) are provided at both ends of the inner side of the conveyor belt (52). A second discharge hopper (55) is provided at the inner end of the inclined seat (54). Multiple protrusions (56) are provided at equal intervals on the outer wall of the conveyor belt (52). The height of the protrusions (56) is adapted to the height of the moving frame (433).

6. The method of using the sand making equipment for high-purity quartz sand according to any one of claims 1-5, characterized in that: Specifically, the following steps are included: Step 1: Start-up and feeding, turn on the motor (6) to start the equipment, and add the quartz sand into the box (1) through the feeding assembly (2); Step 2: Screening and swinging. The screening box (3) is driven by the motion component (4) to screen, and the swinging mechanism (47) drives the screening box (3) to swing, screening out the quartz sand that meets the requirements. Step 3: Conveying and Separating. The screened quartz sand is conveyed and screened a second time through the conveying and screening component (5) below the moving component (4).

Citation Information

Patent Citations

  • Granular material screening device

    CN112620061A