Screening device for quartz sand production

The primary and secondary screening of quartz sand is achieved by a vibrating assembly driven by crushing rollers and eccentric wheels. Combined with a suction pump to remove dust, this solves the problem of incomplete screening in the existing technology, improves screening quality and efficiency, and reduces dust pollution.

CN224025120UActive Publication Date: 2026-03-24TANGHE XINMIAO RENEWABLE RESOURCES DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-15
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing screening devices used in quartz sand production have the problem of incomplete screening, requiring secondary screening, which leads to a reduction in screening quality and efficiency.

Method used

The crushing roller and eccentric wheel driven by a motor are used in conjunction with a vibration component to achieve the initial and secondary screening of quartz sand. The eccentric wheel drives the lifting frame for screening, and a suction pump is used to remove dust.

Benefits of technology

This method achieves thorough screening of quartz sand, eliminates the need for secondary screening, improves screening quality and efficiency, and reduces the impact of dust on the environment and operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of quartz sand screening, and discloses a screening device for quartz sand production, which comprises a device body, the upper part of the device body is fixedly connected with a feed hopper, the right side of the outer wall of the device body is fixedly connected with a motor, and the output end of the motor is fixedly connected with a first crushing roller; a first gear is fixedly connected to the exterior of the left side of the first crushing roller and is in meshed connection with a second gear, a second crushing roller is fixedly connected to the interior of the second gear, the right end of the second crushing roller is rotatably connected to the interior of the device body, and rotating shafts are fixedly connected to the left sides of the first gear and the second gear; and an eccentric wheel is fixedly connected outside the rotating shaft. According to the quartz sand screening device, crushing and full screening of quartz sand are achieved, the situation that secondary screening is needed for screening quality and efficiency is avoided, dust is sucked and stored, and the situation that the external environment and the physical health of operators are affected due to the fact that dust is too large during screening is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to quartz sand screening technical field especially relates to a sieve device for quartz sand production. BACKGROUND

[0002] Quartz sand is quartz particle which is made of quartzite by crushing. Quartz sand is a non-metallic mineral substance, which has the characteristics of hard, wear-resistant and stable chemical properties. Its main component is silicon dioxide (SiO2), and the content is usually above 98.5%. The color of quartz sand can be milky white, colorless and translucent, and the Mohs hardness is 7. Due to its excellent physical and chemical properties, quartz sand is widely used as an important industrial mineral raw material.

[0003] The existing sieve device for quartz sand production is provided with a fixing device, which can quickly and conveniently replace the screen during use, and can also ensure that the screen is stably locked during work. The damping device arranged at the bottom of the counterweight base can effectively reduce the vibration generated by the vibration motor during work, and prevent the remaining connecting parts inside the device from loosening. However, only one screening exists the problem of incomplete screening, and the screening quality and efficiency are reduced by re-screening twice. Therefore, a sieve device for quartz sand production is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a sieve device for quartz sand production, which aims at improving the problem of incomplete screening by only one screening in the prior art, and reducing the screening quality and efficiency by re-screening twice.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sieve device for quartz sand production, which comprises a device body, a feed hopper fixedly connected to the upper part of the device body, a motor fixedly connected to the right side of the outer wall of the device body, a first crushing roller fixedly connected to the output end of the motor, a gear one fixedly connected to the left side of the outer part of the first crushing roller, a gear two meshingly connected with the gear one, a second crushing roller fixedly connected to the inside of the gear two, the right end of the second crushing roller being rotatably connected to the inside of the device body, a shaft fixedly connected to the left side of the gear one and the gear two, an eccentric wheel fixedly connected to the outside of the shaft, a fixed block fixedly connected to the left side of the outer wall of the device body, a vibration assembly slidably connected to the inside of the fixed block, the vibration assembly being used for primary screening of quartz sand, and a second screening plate fixedly connected to the inside of the device body.

[0006] Further description of the above technical scheme:

[0007] The outer wall rear side of the device body is fixedly connected with a storage box, the inside of the storage box is slidably connected with a material collecting box, the upper part of the storage box is fixedly connected with a suction pump, the input end of the suction pump is fixedly connected with a suction pipe, one end of the suction pipe is fixedly connected with a suction group, and the suction group is fixedly connected to the inner wall upper side rear part of the device body.

[0008] As a further description of the above technical solution:

[0009] The vibration assembly comprises a lifting frame, the lifting frame is slidably connected in the inside of the fixed block, the outside lower side of the lifting frame is sleeved with a second spring, the bottom end of the lifting frame is fixedly connected with a connecting plate, and the right side of the connecting plate is fixedly connected with a first screening plate.

[0010] As a further description of the above technical solution:

[0011] The left and right sides of the first screening plate are fixedly connected with sliding blocks in front and back, the inside of the device body is provided with sliding grooves in front and back on the left and right sides, and the sliding blocks are slidably connected in the inside of the sliding grooves.

[0012] As a further description of the above technical solution:

[0013] The outer wall front and back lower sides of the device body are fixedly connected with two mounting frames, the bottom of the mounting frame is fixedly connected with a first spring, the bottom of the first spring is fixedly connected with a supporting leg, and the bottom of the supporting leg is fixedly connected with a bottom plate.

[0014] As a further description of the above technical solution:

[0015] The bottom of the device body is fixedly connected with a discharge hopper.

[0016] As a further description of the above technical solution:

[0017] One end of the second spring is fixedly connected to the bottom of the fixed block, and the other end of the second spring is fixedly connected to the upper part of the connecting plate.

[0018] As a further description of the above technical solution:

[0019] One side of the suction pipe is fixedly connected to the inside rear side of the device body.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. The utility model discloses a first broken roll, gear one, gear two and second broken roll are rotated to the quartz sand and are broken to the quartz sand through the motor starting, and simultaneously drive the eccentric wheel to knock the lifting frame, make the lifting frame move up and down and make the first screening board reciprocatingly move and screen the quartz sand, and the device body is shaken under the action of the first spring through the first screening board movement, and the second screening board carries out secondary screening to the quartz sand, realize the quartz sand is broken and is fully screened, prevents the quality and efficiency of needing secondary screening screening.

[0022] 2. The utility model discloses a first broken roll, gear one, gear two and second broken roll are rotated to the quartz sand and are broken to the quartz sand through the motor starting, and simultaneously drive the eccentric wheel to knock the lifting frame, make the lifting frame move up and down and make the first screening board reciprocatingly move and screen the quartz sand, and the device body is shaken under the action of the first spring through the first screening board movement, and the second screening board carries out secondary screening to the quartz sand, realize the quartz sand is broken and is fully screened, prevents the quality and efficiency of needing secondary screening screening. ACCURACY OF DRAWINGS

[0023] Figure 1 A front view perspective view of a screening device for quartz sand production is provided for the utility model;

[0024] Figure 2 A rear view perspective view of a screening device for quartz sand production is provided for the utility model;

[0025] Figure 3 A sectional view of a screening device for quartz sand production is provided for the utility model;

[0026] Figure 4 A top sectional view of a screening device for quartz sand production is provided for the utility model.

[0027] LEGEND:

[0028] 1, bottom plate, 2, support leg, 3, first spring, 4, mounting bracket, 5, device body, 6, feed hopper, 7, motor, 8, first broken roll, 9, second broken roll, 10, gear one, 11, gear two, 12, shaft, 13, eccentric wheel, 14, lifting frame, 15, fixed block, 16, second spring, 17, connecting plate, 18, sliding slot, 19, sliding block, 20, first screening board, 21, second screening board, 22, discharge hopper, 23, storage box, 24, material collecting box, 25, suction pump, 26, suction pipe, 27, suction group. DETAILED DESCRIPTION

[0029] 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] With reference to Figure 1 , Figure 3 , Figure 4 The utility model provides an embodiment: a kind of sieving device for quartz sand production, the upper portion of device body 5 is fixedly connected with feed hopper 6, the outer wall right side of device body 5 is fixedly connected with motor 7, the output of motor 7 is fixedly connected with first broken roll 8, the left side outside of first broken roll 8 is fixedly connected with gear one 10, gear one 10 is engagedly connected with gear two 11, the inside of gear two 11 is fixedly connected with second broken roll 9, the right end of second broken roll 9 is rotatably connected in the inside of device body 5, so that it is broken to reach required size to quartz sand, the left side of gear one 10 and gear two 11 is fixedly connected with shaft 12, the outside of shaft 12 is fixedly connected with eccentric wheel 13, the outer wall left side of device body 5 is fixedly connected with fixed block 15, vibration subassembly is slidably connected in the inside of fixed block 15, and vibration subassembly is used to carry out preliminary screening to quartz sand, the inside lower side of device body 5 is fixedly connected with second screening plate 21, so that it is fully screened to quartz sand;

[0031] Vibration subassembly includes lifting frame 14, lifting frame 14 is slidably connected in the inside of fixed block 15, the outside lower side of lifting frame 14 is equipped with second spring 16, the bottom of lifting frame 14 is fixedly connected with connecting plate 17, the right side of connecting plate 17 is fixedly connected with first screening plate 20, the left and right sides of first screening plate 20 are fixedly connected with sliding block 19, and the inside of device body 5 is provided with sliding groove 18 on the left and right sides front and back, the inside of sliding groove 18 is slidably connected with sliding block 19, so that it is screened to quartz sand by driving first screening plate 20, and second screening plate 21 can be screened to quartz sand second time;One end of second spring 16 is fixedly connected in the bottom of fixed block 15, and the other end of second spring 16 is fixedly connected in the upper portion of connecting plate 17;The outer wall front and back lower side of device body 5 is fixedly connected with two mounting frames 4, the bottom of mounting frame 4 is fixedly connected with first spring 3, the bottom of first spring 3 is fixedly connected with support leg 2, the bottom of support leg 2 is fixedly connected with bottom plate 1, the bottom of device body 5 is fixedly connected with discharge hopper 22, so that it is screened second time to quartz sand and discharged from device inside.

[0032] By starting the motor 7, the first crushing roller 8 rotates and drives the gear one 10, which drives the gear two 11 to rotate the second crushing roller 9 to crush the quartz sand to the desired size. At the same time, the eccentric wheel 13 is driven to knock the lifting frame 14, which moves up and down reciprocally and presses the second spring 16 to generate a rebound force to assist the push of the connecting plate 17, which moves up and down to drive the first screening plate 20 to move reciprocally to preliminarily screen the quartz sand. The first screening plate 20 moves to shake the device body 5, and the first spring 3 increases the shaking amplitude of the whole device to make the second screening plate 21 screen the quartz sand twice to fully screen the quartz sand and prevent the need for secondary screening.

[0033] Referring to Figure 1 、 Figure 4 The outer wall of the device body 5 is fixedly connected with a storage box 23, the inside of which is slidably connected with a collection box 24. The upper part of the storage box 23 is fixedly connected with a suction pump 25, the input end of which is fixedly connected with a suction pipe 26, one end of which is fixedly connected with a suction set 27 to suck the dust. The suction set 27 is fixedly connected to the inner wall of the device body 5 on the upper side of the rear part, and the suction pipe 26 is fixedly connected to the inside of the rear part of the device body 5.

[0034] By starting the suction pump 25 while screening the quartz sand, the suction pipe 26 drives the suction set 27 to suck the dust and transport it to the inside of the collection box 24 for storage, so that the dust is sucked and stored, avoiding the influence of the dust on the external environment and the health of the operator during screening. When the dust needs to be cleaned, the handle on the rear side of the collection box 24 is pulled out to clean the dust.

[0035] Working principle: by starting the motor 7, the first crushing roller 8 rotates and drives the gear one 10, which drives the gear two 11 to rotate the second crushing roller 9 to crush the quartz sand. At the same time, the eccentric wheel 13 is driven to knock the lifting frame 14, which moves up and down reciprocally, moves the connecting plate 17 up and down, drives the first screening plate 20 to move reciprocally to screen the quartz sand, and moves the device body 5 to shake under the action of the first spring 3, so that the second screening plate 21 screens the quartz sand twice to fully screen the quartz sand and prevent the need for secondary screening.

[0036] By screening the quartz sand and starting the suction pump 25, the suction pipe 26 drives the suction group 27 to suck the dust and transport it to the inside of the collection box 24 for storage, realizing the dust suction and storage, avoiding the dust being too large to affect the external environment and the health of the operators during screening.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A screening device for quartz sand production, comprising a device body (5), characterized in that: A feed hopper (6) is fixedly connected to the upper part of the device body (5). A motor (7) is fixedly connected to the right side of the outer wall of the device body (5). A first crushing roller (8) is fixedly connected to the output end of the motor (7). A gear one (10) is fixedly connected to the left side of the first crushing roller (8). A gear two (11) is meshed with the gear one (10). A second crushing roller (9) is fixedly connected inside the gear two (11). The right end of the second crushing roller (9) is rotatably connected inside the device body (5). A rotating shaft (12) is fixedly connected to the left side of both the gear one (10) and the gear two (11). An eccentric wheel (13) is fixedly connected to the outside of the rotating shaft (12). A fixed block (15) is fixedly connected to the left side of the outer wall of the device body (5). A vibration component is slidably connected inside the fixed block (15). The vibration component is used for preliminary screening of quartz sand. A second screening plate (21) is fixedly connected to the lower side of the inside of the device body (5).

2. The screening device for quartz sand production according to claim 1, characterized in that: A storage box (23) is fixedly connected to the rear side of the outer wall of the device body (5). A collection box (24) is slidably connected inside the storage box (23). A suction pump (25) is fixedly connected to the upper part of the storage box (23). A suction pipe (26) is fixedly connected to the input end of the suction pump (25). A suction assembly (27) is fixedly connected to one end of the suction pipe (26). The suction assembly (27) is fixedly connected to the upper rear part of the inner wall of the device body (5).

3. The screening device for quartz sand production according to claim 1, characterized in that: The vibration assembly includes a lifting frame (14), which is slidably connected inside the fixed block (15). A second spring (16) is sleeved on the lower outer side of the lifting frame (14). A connecting plate (17) is fixedly connected to the bottom end of the lifting frame (14), and a first screening plate (20) is fixedly connected to the right side of the connecting plate (17).

4. A screening device for quartz sand production according to claim 3, characterized in that: The first screening plate (20) is fixedly connected to sliders (19) on both the left and right sides and front and back. The device body (5) is provided with sliding grooves (18) on both the left and right sides and front and back. The sliders (19) are slidably connected inside the sliding grooves (18).

5. A screening device for quartz sand production according to claim 1, characterized in that: Two mounting brackets (4) are fixedly connected to the lower front and rear sides of the outer wall of the device body (5). A first spring (3) is fixedly connected to the bottom of the mounting bracket (4). A support leg (2) is fixedly connected to the bottom of the first spring (3). A base plate (1) is fixedly connected to the bottom of the support leg (2).

6. A screening device for quartz sand production according to claim 1, characterized in that: The bottom of the device body (5) is fixedly connected to a discharge hopper (22).

7. A screening device for quartz sand production according to claim 3, characterized in that: One end of the second spring (16) is fixedly connected to the bottom of the fixing block (15), and the other end of the second spring (16) is fixedly connected to the upper part of the connecting plate (17).

8. A screening device for quartz sand production according to claim 2, characterized in that: One side of the suction tube (26) is fixedly connected to the rear side of the device body (5).