Screen box with dustproof function

Abstract

The utility model discloses a screen box with a dustproof function, which comprises a screen box body, a driving part and a screening part, the driving part is arranged inside the screen box body, the driving part comprises a spiral blade rotatably arranged inside the screen box body and a motor arranged on one side of the screen box body, the output end of the motor is connected with the spiral blade, and the output end of the motor is connected with the screening part. The material screening part is arranged in the screening box body, the material screening part comprises a rotary screening frame rotationally arranged in the screening box body and a screening net arranged on the rotary screening frame, and the motor drives the spiral blades and the rotary screening frame to rotate in the screening box body so as to complete screening operation. According to the gravel screening device, the screening part is arranged, the motor can drive the spiral blade and the rotary screen frame to rotate in the screen box body, the rotating spiral blade drives gravel to move in the screen box body, and when the rotary screen frame rotates, a screen arranged in the rotary screen frame can conduct screening operation on the gravel.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to a screen box with a dustproof function. Background Art

[0002] Sand is an essential basic raw material in the construction field. There are many impurities in sand, such as gravel, garbage, etc., and the sand particles in the sand are also divided into different grades. Different uses require different particle sizes of sand. In the field of construction, sand is often used, and the sand transported to the construction site usually needs to be screened.

[0003] At present, linear vibrating screens are mainly used to screen sand and gravel. When the existing vibrating screen box is screening, a large amount of dust will be generated due to the vibration of the linear vibrating screen, and finally it will float into the air through the discharge port to pollute the air. Due to urban environmental protection requirements, water needs to be sprayed on the sand and gravel during transportation to reduce the dust generated during transportation. Since water can make the sand and gravel stick together, it often blocks the screen, making it difficult to clean the inside of the vibrating screen, affecting the efficiency of screening. Utility Model Content

[0004] The utility model aims to provide a screen box with dust-proof function to solve the problem in the above background technology that a large amount of dust will be generated when sand and gravel are shaken by a linear vibrating screen, and finally the dust will be dispersed into the air through a discharge port to pollute the air.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screen box with a dustproof function, comprising a screen box body, a driving part, a screening part and a transmission tooth 4: the driving part is arranged inside the screen box body, the driving part comprises a spiral blade rotatably arranged inside the screen box body and a motor arranged on one side of the screen box body, the output end of the motor is connected with the spiral blade, the screening part is arranged inside the screen box body, the screening part comprises a rotating screen frame rotatably arranged inside the screen box body and a screen mesh arranged on the rotating screen frame, the transmission tooth is rotatably arranged inside the screen box body, the transmission tooth is directly meshed with the spiral blade, the transmission tooth is meshed with the screen frame, and the motor drives the spiral blade to rotate to drive the transmission tooth and simultaneously drive the screen frame to rotate.

[0006] By adopting the above technical solution, the spiral blades and the rotating screen frame can be driven by a motor to rotate inside the screen box body, so that the rotating spiral blades can drive the sand and gravel to move inside the screen box body, so that when the rotating screen frame rotates, the screen arranged inside it can perform a screening operation on the sand and gravel.

[0007] Preferably, the driving part comprises a spiral blade rotatably arranged inside the screen box body and a driving gear arranged at one end of the spiral blade, and a transmission gear is rotatably arranged inside the screen box body, and the transmission gear is meshingly connected with the driving gear.

[0008] By adopting the above technical solution, when the motor drives the entire spiral blade to rotate inside the screen box body, the driving gear arranged at one end of the spiral blade can drive the transmission gear to rotate inside the screen box body.

[0009] Preferably, the screening part comprises a rotating screen frame rotatably arranged inside the screen box body and a driven latch tooth arranged at one end of the screening part, the spiral blade is located inside the rotating screen frame, and the driven latch tooth is meshingly connected with the transmission gear.

[0010] By adopting the above technical solution, the rotation of the transmission gear can drive the driven gear to rotate, so that the entire rotating screen frame rotates inside the screen box body.

[0011] Preferably, the rotating screen frame is a frame structure, and six arc-shaped screens are arranged at the rear end thereof, and the screens are closely attached to the spiral blades.

[0012] By adopting the above technical solution, the rotating spiral blades can drive the sand and gravel to move inside the screen box body, so that the screen provided inside the rotating screen frame can perform a screening operation on the sand and gravel.

[0013] Preferably, a cleaning portion is provided on the top of the screen box body, and the bottom of the cleaning portion extends into the interior of the screen box body and is provided with a plurality of bristles, and the bristles abut against the screen.

[0014] By adopting the above technical solution, the bristles can be arranged to contact the screen when the rotating screen frame rotates, thereby brushing off the sand and gravel stuck on the screen.

[0015] Preferably, the screen box body comprises an inlet arranged at one side of the screen box body, an outlet a arranged at the bottom of the screen box body, and an outlet b arranged at the bottom of the screen box body.

[0016] By adopting the above technical solution, the sand and gravel that need to be screened can be put into the interior of the screen box body from the feed inlet, and the sand and gravel after screening can be discharged from the discharge port a and the discharge port b.

[0017] Preferably, the discharge port a is connected to the interior of the screen box body and is located directly below the screen.

[0018] By adopting the above technical solution, the screened sand and gravel can be discharged from the discharge port a.

[0019] Compared with the prior art, the utility model has the following beneficial effects: by providing a screening part, the spiral blades and the rotating screen frame can be driven by a motor to rotate inside the screen box body, so that the rotating spiral blades can drive the sand and gravel to move inside the screen box body, and the rotating screen frame can be driven to rotate at the same time through the transmission of the driving teeth, so that when the rotating screen frame rotates, the screen arranged inside it can perform a screening operation on the sand and gravel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of this application;

[0021] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this application;

[0022] Figure 3 This is a schematic diagram of the overall side cross-sectional structure of this application;

[0023] Figure 4 This is a schematic diagram of the overall side cross-sectional structure of this application;

[0024] Figure 5 This is a schematic diagram of the screen structure for this application;

[0025] Figure 6 This is a schematic diagram of the connection structure between the spiral blade and the driving gear of this application.

[0026] In the figure: 1. screen box body; 101. feed inlet; 102. discharge port a; 103. discharge port b; 2. driving unit; 201. spiral blade; 202. driving gear; 203. motor; 3. screening unit; 301. rotating screen frame; 302. driven gear; 303. screen; 4. transmission gear; 5. cleaning unit; 501. brush. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a screen box with dustproof function, comprising a screen box body 1, a driving part 2 and a screening part 3:

[0030] The interior of the screen box body 1 has a certain space, and the screen box body 1 includes an inlet 101 arranged on one side of the screen box body 1, an outlet a102 arranged at the bottom of the screen box body 1, and an outlet b103 arranged at the bottom of the screen box body 1, so that the sand and gravel to be screened can be put into the interior of the screen box body 1 from the inlet 101, and the sand and gravel after screening are discharged from the outlet a102 and the outlet b103. A driving part 2 is arranged inside the screen box body 1, and the driving part 2 includes a spiral blade 201 rotatably arranged inside the screen box body 1, a driving gear 202 arranged at one end of the spiral blade 201, and a motor 203 arranged on one side of the screen box body 1, both ends of the spiral blade 201 pass through the screen box body 1, the spiral blade 201 and the screen box body 1 are rotatably connected, and the output end of the motor 203 is connected to the spiral blade 201. The screening part 3 is arranged inside the screen box body 1, and the screening part 3 includes a rotating screen frame 301 rotatably arranged inside the screen box body 1, a driven latch 302 arranged at one end of the screening part 3 and a screen 303 arranged on the rotating screen frame 301. The rotating screen frame 301 is a frame structure, and the rotating screen frame 301 is nested outside the spiral blade 201. The rotating screen frame 301 is nested inside the screen box body 1 and rotates. The motor 203 drives the spiral blade 201 and the rotating screen frame 301 to rotate inside the screen box body 1. The motor 203 can drive the spiral blade 201 and the rotating screen frame 301 to rotate inside the screen box body 1, and the rotating spiral blade 201 drives the sand and gravel to move inside the screen box body 1, so that when the rotating screen frame 301 rotates, the screen 303 arranged inside it can perform a screening operation on the sand and gravel.

[0031] Embodiment 2

[0032] See also Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a screen box with dustproof function, including a driving part 2, a spiral blade 201 and a driving gear 202:

[0033] A driving gear 202 is provided at one end of the spiral blade 201, and a transmission gear 4 is rotatably arranged on one side of the screen box body 1 close to the driving gear 202. The transmission gear 4 is meshedly connected with the driving gear 202, so that when the motor 203 drives the entire spiral blade 201 to rotate inside the screen box body 1, the driving gear 202 arranged at one end of the spiral blade 201 can drive the transmission gear 4 to rotate inside the screen box body 1.

[0034] Embodiment 3

[0035] See also Figure 3 , Figure 4 and Figure 5The utility model provides a technical solution: a screen box with dustproof function, including a screening part 3, a rotating screen frame 301 and a driven clamping gear 302:

[0036] The rotating screen frame 301 is a frame structure, and six arc-shaped screens 303 are arranged at its rear end. The screens 303 are close to the spiral blades 201, so that the rotating spiral blades 201 can drive the sand and gravel to move inside the screen box body 1, so that the screen 303 arranged inside the rotating screen frame 301 can perform a screening operation on the sand and gravel. At the same time, a discharge port a102 is arranged just below the screen 303, so that the screened sand and gravel can be discharged from the discharge port a102. A circle of inward driven teeth 302 is arranged at one end of the rotating screen frame 301. The driven teeth 302 are meshed and connected with the transmission gear 4. The rotation of the transmission gear 4 can drive the driven teeth 302 to rotate, so that the entire rotating screen frame 301 rotates inside the screen box body 1.

[0037] Embodiment 4

[0038] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a screen box with dustproof function, comprising a screen box body 1, a cleaning part 5 and bristles 501:

[0039] A cleaning portion 5 is provided on the top of the screen box body 1, and the bottom of the cleaning portion 5 extends into the interior of the screen box body 1 and is provided with a plurality of bristles 501, which abut against the screen 303. The bristles 501 can be provided so that when the rotating screen frame 301 rotates, it can contact the screen 303, thereby brushing off the sand and gravel stuck on the screen 303.

[0040] Working principle: First, let the sand and gravel to be screened be put into the screen box body 1 from the feed port 101, then start the motor 203, and drive the spiral blade 201 to rotate inside the screen box body 1 through the motor 203, and the driving gear 202 set at one end of the spiral blade 201 can drive the transmission gear 4 to rotate inside the screen box body 1, and then through the rotation of the transmission gear 4, drive the driven gear 302 to rotate, so that the entire rotating screen frame 301 rotates inside the screen box body 1, and the spiral blade 201 rotates inside the rotating screen frame 301, and the rotating spiral blade 201 drives the sand and gravel to move inside the screen box body 1, so that the screen 303 set inside the rotating screen frame 301 can perform a screening operation on the sand and gravel, so that smaller sand and gravel are discharged from the discharge port a102, and larger sand and gravel are discharged from the discharge port b103;

[0041] Secondly, the bristles 501 can contact the screen 303 when the rotating screen frame 301 rotates, so as to brush off the sand and gravel stuck on the screen 303 to prevent the screen 303 from being blocked.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screen box with dust-proof function, characterized in that: include: Screen box body; A driving part, the driving part is arranged inside the screen box body, the driving part comprises a spiral blade rotatably arranged inside the screen box body and a motor arranged on one side of the screen box body, and the output end of the motor is connected to the spiral blade; A screening part, wherein the screening part is arranged inside the screen box body, and the screening part comprises a rotating screen frame rotatably arranged inside the screen box body and a screen mesh arranged on the rotating screen frame; Transmission teeth are rotatably arranged inside the screen box body, the transmission teeth are directly meshed with the spiral blades, the transmission teeth are meshed with the screen frame, and the motor drives the spiral blades to rotate to drive the transmission teeth and simultaneously drive the screen frame to rotate.

2. A screen box with dustproof function according to claim 1, characterized in that: The driving part comprises a spiral blade rotatably arranged inside the screen box body and a driving gear arranged at one end of the spiral blade. A transmission gear is rotatably arranged inside the screen box body, and the transmission gear is meshed and connected with the driving gear.

3. A screen box with dustproof function according to claim 2, characterized in that: The screening part comprises a rotating screen frame rotatably arranged inside the screen box body and a driven clamping tooth arranged at one end of the screening part, the spiral blade is located inside the rotating screen frame, and the driven clamping tooth is meshedly connected with the transmission gear.

4. The screen box with dust-proof function according to claim 1, characterized in that: The rotary screen frame is a frame structure, and six arc-shaped screens are arranged at the rear end thereof, and the screens are closely attached to the spiral blades.

5. The screen box with dust-proof function according to claim 1, characterized in that: A cleaning portion is arranged on the top of the screen box body, and the bottom of the cleaning portion extends into the interior of the screen box body and is provided with a plurality of bristles, which abut against the screen.

6. The screen box with dust-proof function according to claim 1, characterized in that: The screen box body comprises an inlet arranged at one side of the screen box body, an outlet a arranged at the bottom of the screen box body, and an outlet b arranged at the bottom of the screen box body.

7. The screen box with dust-proof function according to claim 6, characterized in that: The discharge port a is connected to the interior of the screen box body and is located directly below the screen.

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