Silica powder discharging bin with dust prevention function

Abstract

The utility model discloses a silicon powder blanking bin with a dust prevention function, and relates to the technical field of silicon powder production and related equipment thereof. The device comprises a storage bin and a discharging pipe arranged in the center of the bottom of the storage bin, an installation frame is installed at the top of the storage bin through fixing bolts, a stirring assembly is arranged on the upper surface of the installation frame, and a dust collection assembly is arranged on one side of the storage bin. According to the utility model, through the dust collection assembly, the piston is driven by the motor to do circulating reciprocating movement in the air cylinder, so that air in the dust collection box is continuously extracted, the dust collection cover can extract scattered silicon powder from the blanking pipe, the dust prevention effect is achieved, and the silicon powder is prevented from being scattered to the surrounding environment to influence the working environment; meanwhile, body health of workers is prevented from being damaged, the position of the scraper blade can be adjusted under the action of the elastic performance of a spring in a fixing barrel through a stirring assembly, so that the device is suitable for storage bins of various sizes, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of silica powder production and its related equipment, especially, relate to a silica powder unloading bin with dustproof function. BACKGROUND

[0002] Silica powder, also known as microsilica, is a special collection and processing of smoke dust from waste gas in the process of industrial electric furnace smelting industrial silicon and ferrosilicon. In the escaping smoke dust, the SiO2 content accounts for about 90% of the total amount of smoke dust, the particle size is very small, and the average particle size is almost nanometer level. Silica powder is generally stored in a bin after production, and then subsequent unloading and transportation operations are realized.

[0003] According to the search, the publication number CN220115287U, the application date is June 5, 2023, which discloses a pipeline transportation unloading assembly, which comprises: a buffer bin, a supporting plate and a conical discharge bin, the lower end of the conical discharge bin is connected with a discharge pipe, the surface of the discharge pipe is sleeved with a discharge pipe valve, the inside of the buffer bin is provided with a stirring shaft; by setting the stirring shaft in the unloading assembly, and installing the stirring tooth block and the upper scraper in the inside of the buffer bin, the powder adhering to the inner wall of the buffer bin can be scraped off, and the powder in the buffer bin can be stirred, the flowability of the powder in the buffer bin is enhanced, which is beneficial to normal conveying of the powder, by setting the lower scraper in the inside of the conical discharge bin, the powder adhering to the inner wall of the conical discharge bin can be scraped off, and the powder accumulated in the discharge port can be stirred, the problem that the powder cannot be normally conveyed to the material machine is solved, and the unloading efficiency is improved.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. The pipeline transportation unloading assembly lacks dustproof measures during unloading, so the dust generated during unloading can fly in the surrounding environment, affecting the working environment and damaging the health of workers;

[0006] 2. The pipeline transportation unloading assembly is installed with a scraper through a connecting rod during use, but the length of the connecting rod cannot be changed, and cannot be changed according to the size of the bin, affecting the application range. Therefore, we provide a silica powder unloading bin with dustproof function to solve the above problems. Utility model content

[0007] The utility model discloses a silicar powder unloading bin with dustproof function, through set up dust absorption subassembly, utilize motor drive and make piston in the air cylinder do the cyclic reciprocating movement, to draw the gas in dust collection box constantly, so that dust absorption cover can draw the silicar powder of unloading pipe and scatter, play the role of dust prevention, avoid the silicar powder scattering to the surrounding environment, influence the working environment, avoid damaging the health of staff simultaneously, and utilize stirring subassembly, under the spring elasticity performance effect of fixed cylinder, can adjust the position of scraper, so as to be applicable to the silo of various sizes, and the application range is wide.

[0008] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0009] The utility model discloses a silicar powder unloading bin with dustproof function, including the silo, and the unloading pipe of setting at its bottom center position, the top of silo is installed with mounting bracket through fixed bolt, the upper surface of mounting bracket is provided with stirring subassembly, one side of silo is provided with dust absorption subassembly.

[0010] Stirring subassembly includes the motor of installing mounting bracket upper surface, and the driving gear and driving pulley of installing on the motor output shaft, one side of driving gear is provided with driven gear, and the rack on the outer wall of driving gear is engaged with the rack on the outer wall of driven gear.

[0011] Dust absorption subassembly includes the fixed plate of fixing on the lateral wall of silo, and the second rotary shaft of rotating installation in the bearing of fixed plate, the top of second rotary shaft is installed with driven pulley, and the outer wall of driven pulley is connected through the belt drive with the outer wall of driving pulley.

[0012] The utility model further sets up, the bottom center position of driven gear is fixedly connected with first rotary shaft, and the bottom of first rotary shaft penetrates the bearing on mounting bracket, and the outer wall of first rotary shaft is fixedly connected with stirring rod.

[0013] The utility model further sets up, and the outer wall bottom of first rotary shaft is provided with helical blade, and the upper and lower sides of the outer wall of first rotary shaft are fixedly provided with fixed cylinder, and the center position of one side end surface of fixed cylinder is provided with moving groove.

[0014] The utility model further sets up, and the inside outside of moving groove is provided with limit board, and the outer wall center position of limit board is fixedly connected with connecting rod, and the other end of connecting rod penetrates the outer port of moving groove and is connected with scraper.

[0015] The utility model further sets up, and the inside of limit board is provided with spring, and spring is located between the inner wall of moving groove and limit board.

[0016] The utility model further sets up, the bottom of second pivot is installed with disc, the bottom outside of disc is connected with linkage rod, the other end of linkage rod is connected with piston through hinge, piston is located inside pneumatic cylinder, the top side of pneumatic cylinder is provided with air outlet pipe.

[0017] The utility model further sets up, the side wall center position of pneumatic cylinder is provided with air inlet pipe, pneumatic cylinder is installed on the outer wall of storage bin, the other end of air inlet pipe is connected with first connecting pipe through pipe joint, the other end of first connecting pipe is connected with suction pipe through pipe joint, the other end of suction pipe is arranged in dust collecting box top center position.

[0018] The utility model further sets up, the side wall of dust collecting box is provided with dust inlet pipe, the other end of dust inlet pipe is connected with second connecting pipe through pipe joint, the other end of second connecting pipe is connected with dust cover through pipe joint, the outer wall of dust cover is installed on the outer wall of downcomer through fixing piece.

[0019] The utility model has the advantages of the following:

[0020] The utility model discloses a dust collection component is set up, and the piston is moved in the pneumatic cylinder in the circulation reciprocating of motor drive, so that the gas in the dust collecting box is extracted constantly, so that the dust cover can extract the silicon powder that downcomer is flying, plays the role of dust prevention, avoids the silicon powder flying to the surrounding environment, influences the working environment, and also avoids damaging the health of the staff, solves the dust prevention measure of the above-mentioned pipeline transportation downer component in the downing process, so the dust produced in the downing process can fly in the surrounding environment, influences the working environment, and also can damage the health of the staff.

[0021] The utility model discloses a stirring component is set up, and the position of scraper can be adjusted under the elastic performance of spring in fixed cylinder, so as to be applicable to various size storage bins, and the application range is wide, solves the problem that the scraper is installed through connecting rod when the above-mentioned pipeline transportation downer component is used, and the length of connecting rod cannot be changed, cannot make corresponding change according to the size of the silo, and influences the application range.

[0022] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0024] Figure 1It is a structural schematic view of a siliceous powder discharging bin with dustproof function.

[0025] Figure 2 It is a sectional view of the storage bin.

[0026] Figure 3 It is a structural view of the stirring assembly.

[0027] Figure 4 It is a sectional view of the fixing cylinder.

[0028] Figure 5 It is a structural view of the dust suction assembly.

[0029] Figure 6 It is a sectional view of the air cylinder.

[0030] In the drawings, the components represented by each reference numeral are listed as follows:

[0031] 1 - storage bin, 101 - discharging pipe, 102 - mounting frame, 2 - stirring assembly, 201 - motor, 201a - driving gear disc, 201b - driving pulley, 202 - first rotating shaft, 202a - driven gear disc, 202b - stirring rod, 202c - helical blade, 203 - fixing cylinder, 203a - moving groove, 204 - limiting plate, 204a - connecting rod, 204b - scraper, 205 - spring, 3 - dust suction assembly, 301 - fixing plate, 302 - second rotating shaft, 302a - driven pulley, 302b - disc, 303 - connecting rod, 303a - piston, 304 - air cylinder, 304a - air outlet pipe, 304b - air inlet pipe, 304c - first connecting pipe, 305 - dust collecting box, 305a - air suction pipe, 305b - dust inlet pipe, 305c - second connecting pipe, 306 - dust suction cover. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely 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 protection of the present application. Embodiment 1

[0033] Please refer to Figures 1 to 4The utility model discloses a kind of silicious powder discharge silos with dustproof function, including storage warehouse 1, and the bottom center position of discharge pipe 101 being arranged at it, the top of storage warehouse 1 is equipped with mounting bracket 102 by fixed bolt, the upper surface of mounting bracket 102 is provided with stirring assembly 2;Stirring assembly 2 includes motor 201 installed on the upper surface of mounting bracket 102, and driving gear disc 201a and driving pulley 201b installed on the output shaft of motor 201, one side of driving gear disc 201a is provided with driven gear disc 202a, and the rack on the outer wall of driving gear disc 201a is engaged with the rack on the outer wall of driven gear disc 202a.

[0034] Specifically, the bottom center position of driven gear disc 202a is fixedly connected with first rotating shaft 202, the bottom end of first rotating shaft 202 penetrates the bearing on mounting bracket 102, the outer wall of first rotating shaft 202 is fixedly connected with stirring rod 202b, the outer wall bottom of first rotating shaft 202 is provided with helical blade 202c, the outer wall top and bottom of first rotating shaft 202 are both fixedly sleeved with fixed cylinder 203, the center position of one side end face of fixed cylinder 203 is provided with moving groove 203a, the inside of moving groove 203a is provided with limiting plate 204, the outer wall center position of limiting plate 204 is fixedly connected with connecting rod 204a, the other end of connecting rod 204a penetrates the outer port of moving groove 203a and is connected with scraper 204b, the inside of limiting plate 204 is provided with spring 205, and spring 205 is located between the inner wall of moving groove 203a and limiting plate 204.

[0035] Further, mounting bracket 102 can be detachably installed by fixed bolt, motor 201 can drive driving gear disc 201a and driving pulley 201b to rotate, and driven gear disc 202a is driven to rotate by driving gear disc 201a, driven gear disc 202a, stirring rod 202b, helical blade 202c, fixed cylinder 203 are all located on the outer wall of first rotating shaft 202, synchronous motion can be realized, the cross section of moving groove 203a is "convex" type, limiting plate 204 plays a limiting role to scraper 204b and connecting rod 204a, and the position of scraper 204b can be adjusted under the elastic performance of spring 205.

[0036] The operation process of the embodiment is as follows: during the discharging of the silicon powder through the discharging pipe 101, the motor 201 is started, the output shaft of the motor 201 rotates to drive the driving toothed disc 201a and the driving pulley 201b to rotate synchronously, the toothed rack on the outer wall of the driving toothed disc 201a is engaged with the toothed rack on the outer wall of the driven toothed disc 202a, so that the first rotating shaft 202 is driven to rotate when the driven toothed disc 202a rotates, and the first rotating shaft 202 rotates to drive the stirring rod 202b, the scraper 204b on the fixed cylinder 203 and the spiral blade 202c to rotate synchronously, the stirring rod 202b can stir the silicon powder in the storage bin 1, the scraper 204b can scrape the silicon powder attached to the inner wall of the storage bin 1, and the spiral blade 202c can rotate to make the silicon powder fall smoothly, avoiding the situation of blockage, wherein the mounting frame 102 can be disassembled by using the fixing bolt, then the scraper 204b is pushed inward, the scraper 204b pushes the limiting plate 204 to move into the moving groove 203a through the connecting rod 204a, and the spring 205 is extruded, the position of the scraper 204b can be adjusted by the elastic property of the spring 205, so as to be applicable to storage bins 1 of various sizes, and the application range is wide. Embodiment 2

[0037] Please refer to Figure 1 , Figure 5 and Figure 6 , on the basis of embodiment 1, different from the first embodiment is: the dust collection assembly 3 is provided, the dust collection assembly 3 includes the fixed plate 301 fixed on one side wall of the storage bin 1, and the second rotating shaft 302 rotatably installed in the bearing of the fixed plate 301, the top end of the second rotating shaft 302 is provided with the driven pulley 302a, and the outer wall of the driven pulley 302a is connected with the outer wall of the driving pulley 201b through the belt transmission, which solves the problem that the existing pipeline transportation and discharging assembly lacks dustproof measures during discharging, so that the dust generated during discharging can fly in the surrounding environment, affecting the working environment and damaging the health of workers.

[0038] Specifically, the bottom end of the second rotating shaft 302 is provided with a disc 302b, the outer side of the bottom of the disc 302b is movably connected with a connecting rod 303, the other end of the connecting rod 303 is movably connected with a piston 303a through a hinge, the piston 303a is located in the inside of an air cylinder 304, the top side of the air cylinder 304 is provided with an air outlet pipe 304a, the side wall of the air cylinder 304 is provided with an air inlet pipe 304b at the center position, the air cylinder 304 is installed on the outer wall of the storage bin 1, the other end of the air inlet pipe 304b is connected with a first connecting pipe 304c through a pipe joint, the other end of the first connecting pipe 304c is connected with an air suction pipe 305a through a pipe joint, the other end of the air suction pipe 305a is arranged at the top center position of a dust collecting box 305, the side wall of the dust collecting box 305 is provided with a dust inlet pipe 305b, the other end of the dust inlet pipe 305b is connected with a second connecting pipe 305c through a pipe joint, the other end of the second connecting pipe 305c is connected with a dust collecting hood 306 through a pipe joint, and the outer wall of the dust collecting hood 306 is installed on the outer wall of the downpipe 101 through a fixing piece.

[0039] Further, the driven pulley 302a and the driving pulley 201b realize synchronous movement under the action of the belt, the disc 302b and the driven pulley 302a are both located on the second rotating shaft 302, and the three can move synchronously, the two ends of the connecting rod 303 are movably connected with the bottom of the disc 302b and the outer wall of the piston 303a respectively, so as to play a transmission role, the piston 303a can circularly reciprocate in the air cylinder 304, and the pipe joint plays a role of pipeline connection.

[0040] The operation process of the embodiment is as follows: when the motor 201 is running, the driving pulley 201b is driven to rotate, and the outer wall of the driving pulley 201b and the outer wall of the driven pulley 302a are connected through the belt, so that when the driving pulley 201b rotates, the driven pulley 302a is driven to rotate under the action of the belt, and the rotation of the driven pulley 302a drives the second rotating shaft 302 and the disc 302b to rotate synchronously, wherein the bottom of the disc 302b is movably connected with the connecting rod 303, and the other end of the connecting rod 303 is movably connected with the piston 303a, so that when the disc 302b rotates, the piston 303a is driven to move in the air cylinder 304 under the action of the connecting rod 303, so that the gas in the air cylinder 304 changes continuously under the action of the inlet pipe 304b and the outlet pipe 304a, wherein the inlet pipe 304b and the outlet pipe 304a are respectively provided with one-way valves, and when the air cylinder 304 inhales air through the inlet pipe 304b, the gas in the dust collecting box 305 is extracted under the action of the first connecting pipe 304c and the air suction pipe 305a, the internal pressure of the dust collecting box 305 is reduced, and the air is extracted through the dust inlet pipe 305b, the second connecting pipe 305c and the dust suction hood 306, and the dust suction hood 306 is located at the bottom of the feeding pipe 101, so that the dust suction hood 306 can extract the flying silicon powder from the feeding pipe 101, and plays a dustproof role, avoids the flying silicon powder from affecting the working environment and damaging the health of workers.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A silicon powder feeding hopper with dust prevention function, comprising a storage hopper (1) and a feeding pipe (101) disposed at the center of its bottom, wherein a mounting bracket (102) is mounted on the top of the storage hopper (1) by fixing bolts, characterized in that: The upper surface of the mounting frame (102) is provided with a stirring assembly (2), and a dust collection assembly (3) is provided on one side of the storage hopper (1). The stirring assembly (2) includes a motor (201) mounted on the upper surface of the mounting frame (102), and a drive gear disk (201a) and a drive pulley (201b) mounted on the output shaft of the motor (201). A driven gear disk (202a) is provided on one side of the drive gear disk (201a), and the rack on the outer wall of the drive gear disk (201a) meshes with the rack on the outer wall of the driven gear disk (202a). The dust collection assembly (3) includes a fixed plate (301) fixed on one side wall of the storage compartment (1) and a second rotating shaft (302) rotatably mounted in a bearing on the fixed plate (301). A driven pulley (302a) is mounted on the top of the second rotating shaft (302), and the outer wall of the driven pulley (302a) is connected to the outer wall of the driving pulley (201b) by belt drive.

2. The silicon powder feeding silo with dust prevention function according to claim 1, characterized in that, The driven gear disc (202a) is fixedly connected to the bottom center position of the first rotating shaft (202), the bottom end of the first rotating shaft (202) passes through the bearing on the mounting bracket (102), and the stirring rod (202b) is fixedly connected to the outer wall of the first rotating shaft (202).

3. A silicon powder feeding silo with dust prevention function according to claim 2, characterized in that, The bottom of the outer wall of the first rotating shaft (202) is provided with a spiral blade (202c). The upper and lower sides of the outer wall of the first rotating shaft (202) are fixedly sleeved with a fixed cylinder (203). A moving groove (203a) is provided at the center of one end face of the fixed cylinder (203).

4. A silicon powder feeding silo with dust prevention function according to claim 3, characterized in that, A limiting plate (204) is provided on the inner and outer sides of the moving groove (203a). A connecting rod (204a) is fixedly connected to the center of the outer wall of the limiting plate (204). The other end of the connecting rod (204a) passes through the outer port of the moving groove (203a) and is connected to the scraper (204b).

5. A silicon powder feeding hopper with dust prevention function according to claim 4, characterized in that, A spring (205) is provided on the inner side of the limiting plate (204), and the spring (205) is located between the inner wall of the moving groove (203a) and the limiting plate (204).

6. A silicon powder feeding silo with dust prevention function according to claim 1, characterized in that, The bottom end of the second rotating shaft (302) is equipped with a disc (302b), and a connecting rod (303) is movably connected to the outer bottom of the disc (302b). The other end of the connecting rod (303) is movably connected to the piston (303a) via a hinge. The piston (303a) is located inside the air cylinder (304), and an air outlet pipe (304a) is provided on one side of the top of the air cylinder (304).

7. A silicon powder feeding silo with dust prevention function according to claim 6, characterized in that, An air inlet pipe (304b) is provided at the center of one side wall of the air cylinder (304). The air cylinder (304) is installed on the outer wall of the storage silo (1). The other end of the air inlet pipe (304b) is connected to the first connecting pipe (304c) through a pipe joint. The other end of the first connecting pipe (304c) is connected to the exhaust pipe (305a) through a pipe joint. The other end of the exhaust pipe (305a) is located at the center of the top of the dust collection box (305).

8. A silicon powder feeding silo with dust prevention function according to claim 7, characterized in that, A dust inlet pipe (305b) is provided on one side wall of the dust collection box (305). The other end of the dust inlet pipe (305b) is connected to the second connecting pipe (305c) through a pipe joint. The other end of the second connecting pipe (305c) is connected to the dust suction hood (306) through a pipe joint. The outer wall of the dust suction hood (306) is installed on the outer wall of the feed pipe (101) through a fastener.

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