Airflow type vibrating bran duster for flour production and method

Abstract

The application relates to the technical field of bran beating machines, and proposes an air flow type vibration bran beating machine and method for flour production, wherein the air flow type vibration bran beating machine for flour production comprises a screen, and further comprises a feeding bin, a partition plate, a separation bin, a feeding component, a mounting frame, an elastic supporting piece, a bran collecting mechanism, a flour collecting mechanism, a replacement mechanism and a heating component; the partition plate is arranged in the interior of the feeding bin; the separation bin is communicated with a feeding opening and a feeding cavity; the feeding component is used for conveying bran in the feeding cavity to the interior of the separation bin; the mounting frame is provided with two; the bran collecting mechanism is used for collecting screened bran; the flour collecting mechanism is used for collecting screened flour; the replacement mechanism is used for replacing the two mounting frames; and the heating component is used for heating gas entering the separation bin. Through the technical scheme, the problem that bran or bonded powder particles are prone to blocking the screen in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bran beating machines, in particular to an air-flow type vibration bran beating machine for flour production and a method. BACKGROUND

[0002] Flour is mainly produced by crushing wheat, and a large amount of bran is produced together with the flour, and a large amount of flour is also attached to the bran. The flour production usually needs to beat the bran twice or multiple times to clean the residual powder particles on the bran, reduce the powder content of the bran and improve the flour yield.

[0003] The application structure principle mainly includes a feeding system, a bran beating area, a dust collection system and an electric control system. The bran and the flour are separated through vibration separation, air separation and screening effects. The bran is thrown to the buffer plate and the elastic screen under the impact of the adjustable beating plate rotating at high speed. The flour is separated from the bran through the multiple effects of the beating plate and falls into the discharge hopper through the screen.

[0004] In the long-term bran beating process, due to the existence of bran with a size close to that of the screen and the humidity of the bran, the powder particles will adhere. Under the action of air vibration, the bran or the adhered powder particles will be clamped in the mesh of the screen, causing the screen to be blocked, affecting the screening efficiency of the subsequent powder particles, and the adhesion of the powder particles will also reduce the quality of the flour to some extent. Therefore, we propose an air-flow type vibration bran beating machine for flour production and a method, which can reduce the blocking of the screen, ensure the screening efficiency and reduce the dust generated during feeding. SUMMARY

[0005] The application proposes an air-flow type vibration bran beating machine for flour production and a method, which solves the problem that the bran or the adhered powder particles easily block the screen in the related art.

[0006] The technical scheme of the application is as follows:

[0007] An air-flow type vibration bran beating machine for flour production, comprising a screen, wherein the screen is provided with two, and further comprising:

[0008] A feeding bin, a feeding port is formed in the top of the feeding bin, and a feeding plate is arranged at the feeding port;

[0009] A partition plate, the partition plate is arranged in the interior of the feeding bin, and the feeding bin is divided into a raw material cavity and a feeding cavity, and a conveying port is formed in the partition plate;

[0010] A separation bin, the separation bin is communicated with the feeding cavity through a feeding port;

[0011] A feeding component for feeding the bran in the raw material cavity to the inside of the separation bin, the feeding component comprising:

[0012] An opening and closing assembly for opening and closing the conveying port, the opening and closing assembly comprising:

[0013] An opening and closing plate movably arranged on the partition plate;

[0014] A blowing pipe in communication with the feeding cavity, the blowing pipe facing the feeding port;

[0015] A fan, an air outlet of the fan in communication with the blowing pipe;

[0016] Two mounting racks, the screen and the mounting rack one-to-one corresponding, the screen slidingly arranged in the inside of the mounting rack;

[0017] A plurality of elastic supports arranged on both sides of the mounting rack for supporting the screen, the elastic support comprising:

[0018] A mounting plate detachably arranged on the mounting rack;

[0019] A support plate arranged on the mounting plate by a support spring, the support plate in contact with the screen;

[0020] A bran collecting mechanism for collecting the screened bran, the bran collecting mechanism comprising:

[0021] A blanking plate obliquely arranged in the inside of the separation bin, the blanking plate below the screen, a plurality of screen holes being formed on the blanking plate;

[0022] A bran collecting box in communication with the separation bin through a blanking port, the blanking port corresponding to the side of the blanking plate with lower height;

[0023] A flour collecting mechanism for collecting the screened flour, the flour collecting mechanism comprising:

[0024] A flour collecting box in communication with the top of the separation bin through a collecting pipe;

[0025] A vacuum pump, an air inlet of the vacuum pump in communication with the flour collecting box;

[0026] A collecting bag arranged in the inside of the flour collecting box, an end of the collecting pipe away from the separation bin located in the inside of the collecting bag;

[0027] A replacement mechanism for replacing the two mounting frames, the replacement mechanism comprising:

[0028] Two cleaning boxes, the cleaning boxes being arranged on both sides of the separation bin, the mounting frame and the cleaning boxes and the separation bin being in sealed sliding fit;

[0029] Two push plates, the push plates and the cleaning boxes corresponding to each other, the push plates being in sealed sliding fit inside the cleaning boxes;

[0030] A first drive pipe and a second drive pipe, the first drive pipe and the second drive pipe being in communication with the two cleaning boxes respectively, the first drive pipe and the second drive pipe being in communication with a three-way valve one and a three-way valve two at their ends away from the cleaning boxes respectively;

[0031] A first suction pipe and a second suction pipe, the first suction pipe and the second suction pipe being in communication with the flour collecting box, the first suction pipe being in communication with one port of the three-way valve one at its end away from the flour collecting box, the second suction pipe being in communication with one port of the three-way valve two at its end away from the flour collecting box;

[0032] A first blowing pipe and a second blowing pipe, the first blowing pipe and the second blowing pipe being in communication with the air outlet of the fan, the first blowing pipe being in communication with the other port of the three-way valve one, the second blowing pipe being in communication with the other port of the three-way valve two;

[0033] A heating component for heating the gas entering the separation bin, the heating component comprising:

[0034] A heating bin, the blowing pipe being in communication with the air outlet of the fan through the heating bin;

[0035] A heater arranged inside the heating bin.

[0036] In order to improve the screening efficiency of the screen and clean the screen, a vibration mechanism is further included, the vibration mechanism being arranged in three groups, the three groups of vibration mechanisms being arranged inside the separation bin and the two cleaning boxes respectively for driving the screen to vibrate, the vibration mechanism comprising:

[0037] A plurality of blowing tubes, the blowing tubes being in communication with each other, one of the blowing tubes being in communication with the air outlet of the fan through a gas feeding pipe, a valve being arranged on the gas feeding pipe;

[0038] A fixing ring arranged outside the blowing tube;

[0039] An impact block is arranged on the fixing ring by a return spring;

[0040] A magnet is arranged at the bottom end of the blow tube, the impact block and the magnet are in contact, and the material of the impact block is iron metal.

[0041] In order to collect the powder and bran in the cleaning box, a powder collecting pipe is communicated with the top of the cleaning box, the powder collecting pipe is communicated with the collecting pipe through a communication pipe, a valve is arranged on the communication pipe, a debris collecting hopper is arranged at the bottom of the cleaning box, and a discharging opening is formed in the two sides of the cleaning box along the moving direction of the mounting frame.

[0042] In order to improve the feeding effect, a pushing mechanism is further arranged in the interior of the feeding bin, and the pushing mechanism comprises:

[0043] A driving shaft is rotatably arranged in the interior of the feeding bin;

[0044] A gas feeding seat is in rotational communication with the driving shaft, and the gas feeding seat is in communication with the heating bin;

[0045] A plurality of pushing plates are arranged, the pushing plates are arranged outside the driving shaft and in communication with the driving shaft, and a plurality of blow holes are formed in the pushing plates.

[0046] A gas flow type vibration bran beating method for flour production uses the above-mentioned gas flow type vibration bran beating machine for flour production, and comprises the following steps:

[0047] S1, feeding: opening the feeding plate, and adding bran into the interior of the feeding bin;

[0048] S2, feeding: opening the opening and closing plate, simultaneously opening the fan and the vacuum pump, and rotating the driving shaft, the fan blows gas to the blow pipe, negative pressure is formed in the feeding bin, and the bran in the feeding bin enters the feeding bin and is blown into the separation bin in cooperation with the pushing plate;

[0049] S3, heating: during the step S2, the fan first sends gas to the interior of the heating bin, and the heater heats the conveyed gas and then conveys the gas to the interior of the blow pipe and the pushing plate;

[0050] S4, separation: the bran entering the separation bin impacts the surface of the screen, and the screen vibrates under the action of wind force and the supporting spring, so as to separate and screen the bran and the powder;

[0051] S5, powder collection: the powder passes through the screen and is sucked into the interior of the collecting bag under the action of the vacuum pump to be collected;

[0052] S6, bran collection: the bran is blocked by the screen and falls on the falling plate, and then slides to the inside of the bran collection box through the falling plate for collection;

[0053] S7, screen replacement: the three-way valve one is opened to control the communication of the blowing pipe one or the suction pipe one and the driving pipe one, the three-way valve two is opened to control the communication of the corresponding suction pipe two or the blowing pipe two and the driving pipe two, the two mounting frames are driven to move under the action of the fan and the vacuum pump, and the two screens are alternately worked;

[0054] S8, screen cleaning: the air supply pipe and the fan are communicated, the fan blows air to the air blowing cylinder, the impact block impacts the screen, and the screen is cleaned;

[0055] S9, collection after cleaning: the push plate and the mounting frame move, the bran cleaned in the cleaning box falls into the debris collection hopper through the falling port, the powder collection pipe and the collection pipe are communicated, and the powder and particles cleaned in the cleaning box are sucked into the collection bag for collection.

[0056] The working principle and beneficial effects of the present application are as follows:

[0057] 1. In the present application, the conveying port is opened by the movement of the opening and closing plate, air is sent to the air blowing pipe by the fan, negative pressure is formed in the feeding cavity, the bran in the raw material cavity enters the negative pressure area of the feeding cavity and is blown to the screen through the air blowing pipe, and the driving shaft drives the push plate to rotate, assisting the bran in the raw material cavity to enter the feeding cavity.

[0058] 2. In the present application, the heater heats the gas delivered by the fan, hot air is blown to the separation bin through the air blowing pipe, the bran and powder particles are dried, the adhesion of the powder particles is reduced, the push plate stirs the bran in the raw material cavity, and hot air is blown to the inside of the raw material cavity through the air blowing hole, the bran and powder particles are pre-dried, and the adhesion of the powder particles in the stacking process is reduced.

[0059] 3. In the present application, the screen separates the bran and the powder particles, the powder particles enter the inside of the collection bag through the collection pipe under the action of the vacuum pump, the screen blocks the bran, the bran falls on the falling plate and slides to the inside of the bran collection box, and the air blowing pipe blows air to the falling plate to blow off the powder particles remaining on the bran and assist the bran to slide.

[0060] 4. In the present application, the three-way valve one and the three-way valve two control the suction and blowing modes of the driving pipe one and the driving pipe two, the fan blows air to the driving pipe one, and the vacuum pump blows air to the driving pipe two, or the vacuum pump blows air to the driving pipe one, and the fan blows air to the driving pipe two, the push plate and the mounting frame are pushed to move, the screen moves, one screen is in the inside of the separation bin, and the other screen is in the inside of the cleaning box, the fan blows air to the air blowing cylinder, the impact block impacts the screen, and the screen is cleaned.

[0061] 5. In this invention, the powder particles cleaned off the screen are sucked into the inside of the collection bag through the powder collection pipe, and the bran cleaned off falls into the inside of the debris collection hopper through the discharge port under the pushing action of the push plate.

[0062] 6. Therefore, compared with existing bran mills, this invention heats the gas entering the separation chamber using a heater to dry the bran and powder, reducing powder adhesion. Simultaneously, a push plate agitates the bran in the raw material chamber, and hot air is delivered through air vents to pre-dry the bran and powder. The bran is then blown to the screen via a blower pipe. The air force from the blower pipe, the elasticity of the support spring, and the impact of the vibration mechanism cause the screen to vibrate, separating the bran and powder. A vacuum pump extracts the powder into a collection bag for collection, while the bran falls onto the discharge plate and slides... The bran is collected in a collection bin. By adjusting the blowing and suction modes of drive pipes one and two through three-way valves one and two, the mounting frame is pushed in coordination to replace the screen. At the same time, the screen is cleaned by a vibration mechanism. The powder generated during cleaning is sucked into the collection bag through the powder collection pipe, and the bran generated during cleaning is pushed by the push plate and falls into the interior of the debris collection hopper through the discharge port. This invention reduces the adhesion of powder and the clogging of the screen by alternating use and cleaning of the screen, as well as drying of bran and powder, thus ensuring the screening efficiency and effect of bran and powder. Attached Figure Description

[0063] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0064] Figure 1 This is a structural schematic diagram from a first perspective of the present invention;

[0065] Figure 2 This is a partial cross-sectional structural schematic diagram of the present invention;

[0066] Figure 3 This is a schematic diagram of the structure of the feeding bin, separation bin, and feeding component of the present invention;

[0067] Figure 4 This is a schematic diagram of the structure of the screen and mounting frame of the present invention;

[0068] Figure 5 This is a schematic diagram of the structure of the screen, the feed plate, and the bran collection box of the present invention;

[0069] Figure 6 This is a schematic diagram of the flour collecting mechanism of the present invention;

[0070] Figure 7 This is a schematic diagram of the structure of the blower, retaining ring, impact block and magnet of the present invention;

[0071] Figure 8The structural schematic view of the second perspective of the present application;

[0072] Figure 9 The structural schematic view of the second perspective of the present application Figure 2 The partial enlarged structural schematic view of A in the present application;

[0073] Figure 10 The structural schematic view of the second perspective of the present application Figure 3 The partial enlarged structural schematic view of B in the present application.

[0074] In the figure:

[0075] 1, screen; 2, feed bin; 3, partition; 4, separation bin; 5, feed plate; 6, mounting frame; 7, powder collecting pipe; 8, communication pipe; 9, scrap collecting hopper;

[0076] 101, fan; 102, opening and closing plate; 103, electric cylinder; 104, blowing pipe;

[0077] 201, mounting plate; 202, support plate;

[0078] 301, blanking plate; 302, bran collecting box;

[0079] 401, flour collecting box; 402, vacuum pump; 403, collecting bag; 404, stabilizing frame; 405, collecting pipe;

[0080] 501, cleaning box; 502, push plate; 503, driving pipe one; 504, driving pipe two; 505, air suction pipe one; 506, air suction pipe two; 507, air blowing pipe one; 508, air blowing pipe two; 509, three-way valve one; 510, three-way valve two;

[0081] 601, heating bin; 602, heater;

[0082] 701, blowing cylinder; 702, fixing ring; 703, impact block; 704, magnet;

[0083] 801, driving shaft; 802, air feeding seat; 803, push plate; 804, motor. DETAILED DESCRIPTION

[0084] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the present application.

[0085] As Figures 1 to 10The embodiment shown proposes a flour production airflow type vibration bran duster, which comprises a screen 1, the screen 1 is provided with two, further comprises a feeding bin 2, a partition 3, a separation bin 4, a feeding component, a mounting frame 6, an elastic support, a bran collecting mechanism, a flour collecting mechanism, a replacement mechanism and a heating component, compared with the bran duster in the prior art, the bran duster heats the gas entering the separation bin 4 through the heater 602, realizes the drying of the bran and the powder particles, reduces the adhesion of the powder particles, simultaneously stirs the bran in the raw material cavity through the pushing plate 803 and transports the hot air through the air blowing hole, pre-dries the bran and the powder particles, blows the bran to the screen 1 through the air blowing pipe 104, realizes the vibration of the screen 1 through the air force of the air blowing pipe 104, the elasticity of the supporting spring and the impact of the vibration mechanism, separates the bran and the powder particles, extracts the powder particles to the inside of the collecting bag 403 through the vacuum pump 402 for collection, the bran falls on the dropping plate 301 and slides to the bran collecting box 302 for collection, adjusts the air blowing and air extraction mode of the driving pipe one 503 and the driving pipe two 504 through the three-way valve one 509 and the three-way valve two 510, cooperates to push the mounting frame 6, realizes the replacement of the screen 1, simultaneously realizes the cleaning of the screen 1 through the vibration mechanism, the powder particles generated in the cleaning are sucked into the collecting bag 403 through the powder collecting pipe 7, the bran generated in the cleaning falls into the inside of the scrap collecting hopper 9 through the dropping port under the pushing of the pushing plate 502, the bran duster can reduce the adhesion of the powder particles, reduce the blockage of the screen 1, ensure the screening efficiency and the screening effect of the bran and the powder particles through the alternate use and the cleaning of the screen 1 and the drying of the bran and the powder particles.

[0086] The top of the feeding bin 2 is provided with a feeding port, the feeding port is provided with a feeding plate 5, the partition 3 is arranged in the inside of the feeding bin 2, divides the feeding bin 2 into a raw material cavity and a feeding cavity, the partition 3 is provided with a conveying port, the conveying port is located at the bottom of the partition 3, the separation bin 4 is communicated with the feeding cavity through the feeding port, the feeding plate 5 can be opened to add bran raw materials to the inside of the raw material cavity, the bran raw materials can enter the inside of the feeding cavity through the conveying port.

[0087] The feeding component is used for conveying the bran in the raw material cavity to the inside of the separation bin 4, and comprises an opening and closing assembly, a blowing pipe 104 and a fan 101. The opening and closing assembly is used for opening and closing the conveying port, and comprises an opening and closing plate 102. The opening and closing plate 102 is movably arranged on the partition plate 3, and the partition plate 3 is provided with an electric cylinder 103. The opening and closing plate 102 is arranged at the output end of the electric cylinder 103. The blowing pipe 104 is in communication with the feeding cavity, and faces the feeding port. The outlet of the fan 101 is in communication with the blowing pipe 104. The opening and closing plate 102 can be driven to ascend and descend by the electric cylinder 103. The opening and closing plate 102 can be lowered to close the conveying port and separate the raw material cavity from the feeding cavity. The electric cylinder 103 drives the opening and closing plate 102 to ascend, so as to open the conveying port and enable the bran in the raw material cavity to enter the inside of the feeding cavity. The fan 101 and the blowing pipe 104 blow air to the feeding port, so as to form a high-speed airflow with low air pressure, thereby forming an airflow to the separation bin 4. The bran in the raw material cavity is moved to the negative pressure area, and is blown to the inside of the separation bin 4 by the blowing force of the blowing pipe 104.

[0088] The mounting frame 6 is provided with two, and the screen 1 and the mounting frame 6 are one-to-one corresponding. The screen 1 is slidably arranged in the inside of the mounting frame 6. The elastic support is provided with a plurality of elastic supports, which are arranged on both sides of the mounting frame 6 and used for supporting the screen 1. The elastic support comprises a mounting plate 201 and a supporting plate 202. The mounting plate 201 is detachably arranged on the mounting frame 6 and can be detachably connected with the mounting frame 6 through a bolt. The mounting frame 6 is provided with a mounting groove matched with the bolt. The bolt is located in the inside of the mounting groove, so as to avoid the movement of the mounting frame 6 being hindered by the bolt. The supporting plate 202 is arranged on the mounting plate 201 through a supporting spring. The supporting plate 202 is in contact with the screen 1 and can realize the up-and-down vibration of the screen 1 under the action of the supporting spring. Meanwhile, the supporting spring and the supporting plate 202 above and below the screen 1 support and limit the screen 1, so that the screen 1 vibrates within the range of the mounting frame 6.

[0089] The bran collecting mechanism is used for collecting the bran after screening, and comprises a falling plate 301 and a bran collecting box 302. The falling plate 301 is arranged in the interior of the separation bin 4 in an inclined manner and is located below the screen 1. A plurality of screen holes are formed in the falling plate 301. The bran collecting box 302 is communicated with the separation bin 4 through a falling opening. The falling opening corresponds to the side of the falling plate 301 with a lower height. The blowing pipe 104 blows the bran raw material to the bottom of the screen 1. The screen 1 vibrates to separate the bran and the powder particles. The screen 1 blocks the bran. Part of the bran falls back to the feeding cavity and is continuously blown upward to the surface of the screen 1 under the action of the blowing pipe 104. Part of the bran falls on the falling plate 301. The side of the falling plate 301 close to the blowing pipe 104 is arranged in a vertical state. The falling plate 301 blocks the bran on the falling plate 301, so that the bran is left on the falling plate 301. Meanwhile, the blowing pipe 104 blows air to the falling plate 301. The bran on the falling plate 301 is blown by the screen holes, which assists the falling of the bran and separates the powder particles remaining on the surface of the bran from the bran. The bran on the falling plate 301 slides along the falling plate 301 to the interior of the bran collecting box 302 for collection. The bran collecting box 302 is provided with a collecting opening. A collecting plate is arranged at the collecting opening. The collecting plate is opened regularly to take out the bran for subsequent treatment.

[0090] The flour collecting mechanism is used for collecting the flour after screening. The flour collecting mechanism comprises a flour collecting box 401, a vacuum pump 402 and a collecting bag 403. The flour collecting box 401 is communicated with the top of the separation bin 4 through a collecting pipe 405. The air inlet of the vacuum pump 402 is communicated with the flour collecting box 401. The collecting bag 403 is arranged in the interior of the flour collecting box 401. The end of the collecting pipe 405 away from the separation bin 4 is located in the interior of the collecting bag 403. The vacuum pump 402 draws air into the interior of the flour collecting box 401, so that a negative pressure environment is formed in the flour collecting box 401. The fan 101 blows air to the blowing pipe 104. Meanwhile, the vacuum pump 402 draws air into the flour collecting box 401, so that circulating air flow is formed. The powder particles are sucked into the interior of the flour collecting box 401 through the collecting pipe 405. The bag opening of the collecting bag 403 is sleeved on the collecting pipe 405. The bag opening of the collecting bag 403 can be tightly bound on the outside of the collecting pipe 405 by using a cable tie or an elastic band, so as to ensure the sealing property of the collecting bag 403. The interior of the flour collecting box 401 is provided with a stabilizing frame 404. The collecting bag 403 is located in the interior of the stabilizing frame 404, so as to avoid deformation or adsorption at the communication position of the vacuum pump 402 and the flour collecting box 401 under the action of the suction force of the vacuum pump 402, and to ensure the stability of the collecting bag 403. The flour collecting box 401 is provided with a collecting opening. A collecting plate is arranged at the collecting opening. The collecting plate is opened regularly, so that the collecting bag 403 can be taken out from the interior of the flour collecting box 401 for subsequent treatment of the powder particles. Meanwhile, a new collecting bag 403 is sleeved on the outside of the collecting pipe 405.

[0091] The replacement mechanism is used for replacing the two mounting frames 6, and comprises two cleaning boxes 501, two push plates 502, a drive pipe one 503, a drive pipe two 504, a suction pipe one 505, a suction pipe two 506, a blowing pipe one 507 and a blowing pipe two 508. The two cleaning boxes 501 are arranged at the two sides of the separation bin 4, and the mounting frame 6 is in sealed sliding fit with the cleaning box 501 and the separation bin 4. The two push plates 502 are in one-to-one correspondence with the two cleaning boxes 501, and are in sealed sliding fit in the interiors of the two cleaning boxes 501. The drive pipe one 503 and the drive pipe two 504 are in communication with the two cleaning boxes 501 respectively. The drive pipe one 503 and the drive pipe two 504 are respectively communicated with a three-way valve one 509 and a three-way valve two 510 at the ends away from the cleaning boxes 501. The suction pipe one 505 and the suction pipe two 506 are in communication with the flour collecting box 401. The end of the suction pipe one 505 away from the flour collecting box 401 is in communication with one port of the three-way valve one 509. The end of the suction pipe two 506 away from the flour collecting box 401 is in communication with one port of the three-way valve two 510. The blowing pipe one 507 and the blowing pipe two 508 are in communication with the air outlet of the fan 101. The blowing pipe one 507 is in communication with the other port of the three-way valve one 509. The blowing pipe two 508 is in communication with the other port of the three-way valve two 510. The three-way valve one 509 can control the communication between the suction pipe one 505 or the blowing pipe one 507 and the drive pipe one 503. The three-way valve two 510 can control the communication between the suction pipe two 506 or the blowing pipe two 508 and the drive pipe two 504. When the blowing pipe one 507 and the drive pipe one 503 are in communication, the suction pipe two 506 and the drive pipe two 504 are in communication. At this time, the fan 101 sends air to the cleaning box 501 through the blowing pipe one 507 and the drive pipe one 503. The pressure between the push plate 502 and the drive pipe one 503 increases. At the same time, the flour collecting box 401 draws air to the other cleaning box 501 through the suction pipe two 506 and the drive pipe two 504. The pressure between the push plate 502 and the drive pipe two 504 decreases. The two mounting frames 6 move under the action of the pressure difference at the two sides, so that the screen 1 in the separation bin 4 moves to the interior of one cleaning box 501, and the screen 1 in the other cleaning box 501 moves to the interior of the separation bin 4. After a period of time, the suction pipe one 505 and the drive pipe one 503 are in communication, the blowing pipe two 508 and the drive pipe two 504 are in communication, and the mounting frame 6 is driven to move reversely, so that the two screens 1 work alternately. The communication positions of the drive pipe one 503 and the drive pipe two 504 with the cleaning boxes 501 are provided with protective nets, so that bran or powder particles cannot enter the interiors of the drive pipe one 503 and the drive pipe two 504. The end of the cleaning box 501 away from the separation bin 4 is provided with a baffle. The baffle is in contact with the push plate 502. When the push plate 502 connected with one mounting frame 6 is in contact with the baffle, the other mounting frame 6 is just in the interior of the separation bin 4, so that the positions of the two screens 1 are accurately installed at the separation bin 4.

[0092] The heating component is used for heating the gas entering the separation bin 4, and comprises a heating bin 601 and a heater 602. The blowing pipe 104 is communicated with the gas outlet of the fan 101 through the heating bin 601, and the heater 602 is arranged in the inside of the heating bin 601. The gas sent by the fan 101 enters the inside of the heating bin 601, and the gas is heated by the heater 602. The heated gas is blown into the inside of the separation bin 4 through the blowing pipe 104, the bran and the powder particles are dried, and the adhesion of the powder particles is reduced.

[0093] In order to improve the screening efficiency of the screen 1 and clean the screen 1, the vibration mechanism is further arranged. The vibration mechanism is arranged in the inside of the separation bin 4 and the two cleaning boxes 501, and is used for driving the screen 1 to vibrate. The vibration mechanism comprises a blowing cylinder 701, a fixing ring 702, a striking block 703 and a magnet 704. The blowing cylinder 701 is arranged in plurality, and the plurality of blowing cylinders 701 are communicated with each other. One blowing cylinder 701 of the plurality of blowing cylinders 701 is communicated with the gas outlet of the fan 101 through a gas pipe. The valve is arranged on the gas pipe. The fixing ring 702 is arranged outside the blowing cylinder 701. The striking block 703 is arranged on the fixing ring 702 through the return spring. The magnet 704 is arranged at the bottom end of the blowing cylinder 701. The striking block 703 and the magnet 704 are in contact. The material of the striking block 703 is iron metal. The gas pipe is opened and closed through the valve. The fan 101 sends the gas to the blowing cylinder 701 through the gas pipe. The pressure in the blowing cylinder 701 is increased. When the pressure is increased to a certain degree, the striking block 703 is driven to move away from the magnet 704, and the screen 1 is vibrated. The screen 1 is cleaned. The bran particles or the powder particles adhered to the screen 1 are shaken off, the screen 1 is cleaned, the passing rate of the screen 1 is maintained, the valve is intermittently opened and closed, the striking block 703 is driven to rise under the action of the return spring after the valve is closed, the striking block 703 and the magnet 704 are in contact to ensure the stability of the striking block 703, the pressure in the blowing cylinder 701 is increased after the valve is opened, and the striking block 703 is continuously lowered, the striking block 703 is lifted and lowered, and the screen 1 is cleaned multiple times.

[0094] In order to collect the powder and bran in the cleaning box 501, the top of the cleaning box 501 is communicated with a powder collecting pipe 7, the powder collecting pipe 7 is communicated with the collecting pipe 405 through the communication pipe 8, the valve is arranged on the communication pipe 8, the bottom of the cleaning box 501 is provided with a debris collecting hopper 9, the two sides of the cleaning box 501 along the moving direction of the mounting frame 6 are provided with discharge openings, the debris collecting hopper 9 is communicated with the cleaning box 501 through the discharge opening, the communication pipe 8 can be opened and closed through the valve, the flour collecting box 401 is pumped by the vacuum pump 402, the inside of the separation bin 4 is pumped through the collecting pipe 405, the powder separated by the separation bin 4 is sucked into the inside of the collecting bag 403, the communication pipe 8 is opened through the valve, the cleaning box 501 is pumped through the communication pipe 8 and the powder collecting pipe 7, the powder cleaned in the cleaning box 501 is sucked into the inside of the collecting bag 403 through the powder collecting pipe 7 and the collecting pipe 405 for collection, when the driving pipe one 503 and the driving pipe two 504 cooperate to move the mounting frame 6, the communication pipe 8 is closed through the valve, so as to avoid the interference to the pressure in the cleaning box 501 and affect the movement of the mounting frame 6, the impact block 703 impacts the screen 1 in the cleaning box 501, the bran cleaned falls on the bottom of the cleaning box 501, with the movement of the push plate 502, the bran on the bottom of the cleaning box 501 is pushed to the discharge opening on the two sides of the cleaning box 501 and falls in the inside of the debris collecting hopper 9 for collection, the bottom of the debris collecting hopper 9 is provided with a collecting opening, the collecting plate is arranged at the collecting opening, the bran in the debris collecting hopper 9 can be taken out for subsequent treatment by regularly opening the collecting plate.

[0095] It should be noted that the suction force of the vacuum pump 402 can be set, and the suction force is controlled to be able to suck the powder, so as to avoid that the suction force is too large to attract the bran with large weight, at the same time, the communication part of the collecting pipe 405 and the separation bin 4 and the communication part of the dust collecting pipe and the cleaning box 501 are provided with a barrier net, so that the powder can pass through while the bran is blocked, so as to avoid that the bran is sucked into the collecting bag 403 and mixed with the powder to reduce the quality.

[0096] In order to improve the feeding effect, a pushing mechanism is further included, which is arranged in the interior of the feeding bin 2 and comprises a driving shaft 801, a gas feeding seat 802 and a pushing plate 803. The driving shaft 801 is rotatably arranged in the interior of the feeding bin 2, and a motor 804 is arranged on the feeding bin 2. The driving shaft 801 is arranged at the output end of the motor 804. The gas feeding seat 802 is in rotational communication with the driving shaft 801, and the gas feeding seat 802 is in communication with the heating bin 601. The pushing plate 803 is arranged in a plurality of forms, and is arranged outside the driving shaft 801 and in communication with the driving shaft 801. A plurality of air blowing holes are arranged on the pushing plate 803. The motor 804 can drive the driving shaft 801 and the pushing plate 803 to rotate. The pushing plate 803 stirs the bran in the raw material cavity to a certain extent, so that the bran and the powder particles are separated in advance, and meanwhile, the powder particles are prevented from being accumulated and bonded. The fan 101 sends gas into the heating bin 601, and the heater 602 heats the gas. The heated gas is sent into the interior of the driving shaft 801 and the pushing plate 803 through the gas feeding seat 802, and is sent into the interior of the raw material cavity through the air blowing holes, so as to pre-dry the bran and the powder particles. When the electric cylinder 103 drives the opening and closing plate 102 to ascend and open the conveying port, the bran in the raw material cavity can be assisted to be conveyed into the interior of the feeding cavity through the pushing of the pushing plate 803 and the air blowing of the air blowing holes.

[0097] It should be noted that the collecting plates on the flour collecting box 401, the bran collecting box 302 and the debris collecting hopper 9 are opened regularly to collect the materials in the interior. When the collecting plates are opened, the flour production airflow type vibrating bran machine is in communication with the external environment, so that the internal air pressure is consistent with the external air pressure, and the internal air pressure is prevented from being too large under the action of the heater 602.

[0098] A flour production airflow type vibrating bran method is provided, which uses the flour production airflow type vibrating bran machine described above and comprises the following steps.

[0099] S1, feeding: the feeding plate 5 is opened, and the bran is added into the interior of the feeding bin 2;

[0100] S2, feeding: the opening and closing plate 102 is opened, and the fan 101 and the vacuum pump 402 are opened at the same time. The driving shaft 801 is rotated. The fan 101 blows air to the air blowing pipe 104, and the feeding bin 2 is in negative pressure. The bran in the feeding bin 2 is fed into the feeding bin and is blown into the separation bin 4 through the cooperation of the pushing plate 803;

[0101] S3, heating: during the step S2, the fan 101 first sends gas into the interior of the heating bin 601. The heater 602 heats the conveyed gas and then sends the gas into the interior of the air blowing pipe 104 and the pushing plate 803;

[0102] S4, separation: bran entering the separation bin 4 hits the surface of the screen 1, and the screen 1 is vibrated under the action of wind and supporting springs, so as to separate and screen the bran and powder particles;

[0103] S5, powder collection: the powder particles pass through the screen 1 and are sucked into the collection bag 403 under the action of the vacuum pump 402 for collection;

[0104] S6, bran collection: the bran is blocked by the screen 1 and falls on the falling plate 301, and then slides to the inside of the bran collection box 302 through the falling plate 301 for collection;

[0105] S7, screen 1 replacement: the three-way valve one 509 is opened to control the communication of the blowing pipe one 507 or the suction pipe one 505 and the driving pipe one 503, and the three-way valve two 510 is opened to control the communication of the corresponding suction pipe two 506 or the blowing pipe two 508 and the driving pipe two 504, so that the two mounting frames 6 are driven to move under the action of the fan 101 and the vacuum pump 402, so that the two screens 1 work alternately;

[0106] S8, screen 1 cleaning: the air supply pipe is communicated with the fan 101, the fan 101 blows air to the blowing cylinder 701, the impact block 703 impacts the screen 1, and the screen 1 is cleaned;

[0107] S9, collection after cleaning: the push plate 502 and the mounting frame 6 move, the bran cleaned in the cleaning box 501 falls into the debris collection hopper 9 through the falling port, the powder collection pipe 7 is communicated with the collection pipe 405, and the powder particles cleaned in the cleaning box 501 are sucked into the collection bag 403 for collection.

[0108] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An air flow type vibrating bran duster for flour production, comprising a screen, characterized in that, The screen is provided with two, further comprising: Feed bin; Partition, the partition is provided in the inside of the feed bin, the feed bin is divided into raw material cavity and feeding cavity, the partition is provided with conveying port; Separation bin, the separation bin is communicated with the feeding cavity through the feeding port; Feeding component, the feeding component is used for conveying the bran in the feeding cavity to the inside of the separation bin, the feeding component includes a fan; Mounting frame, the mounting frame is provided with two, two the screen and the mounting frame one-to-one correspondence, the screen is slidably arranged in the inside of the mounting frame; Elastic support, the elastic support is provided with a plurality of, the elastic support is arranged on both sides of the mounting frame, used for supporting the screen, the elastic support includes: Mounting plate, the mounting plate is detachably arranged on the mounting frame; Supporting plate, the supporting plate is arranged on the mounting plate through the supporting spring, the supporting plate and the screen contact; Bran collecting mechanism, the bran collecting mechanism is used for collecting the bran after screening; Flour collecting mechanism, the flour collecting mechanism is used for collecting the flour after screening; Replacement mechanism, the replacement mechanism is used for replacing two the mounting frame, the replacement mechanism includes: Cleaning box, the cleaning box is provided with two, the cleaning box is arranged on both sides of the separation bin, the mounting frame and the cleaning box and the separation bin are sealingly and slidably connected; Push plate, the push plate is provided with two, the push plate and the cleaning box one-to-one correspondence, the push plate is sealingly and slidably arranged in the inside of the cleaning box; Drive pipe one and drive pipe two, the drive pipe one and the drive pipe two are communicated with two the cleaning box respectively, the drive pipe one and the drive pipe two are respectively communicated with three way valve one and three way valve two at the end away from the cleaning box; Suction pipe one and suction pipe two, the suction pipe one and the suction pipe two are communicated with the flour collecting box, the suction pipe one is communicated with one port of the three way valve one at the end away from the flour collecting box, the suction pipe two is communicated with one port of the three way valve two at the end away from the flour collecting box; Blowing pipe one and blowing pipe two, the blowing pipe one and the blowing pipe two are communicated with the air outlet of the fan, the blowing pipe one is communicated with the other port of the three way valve one, the blowing pipe two is communicated with the other port of the three way valve two; Heating component, the heating component is used for heating the gas entering the separation bin.

2. The air flow type vibration bran duster for flour production according to claim 1, characterized in that, The feeding component includes: Opening and closing assembly, the opening and closing assembly is used for opening and closing the conveying port, the opening and closing assembly includes: Opening and closing plate, the opening and closing plate is movably arranged on the partition; Blowing pipe, the blowing pipe is communicated with the feeding cavity, the blowing pipe is towards the feeding port; The air outlet of the fan is communicated with the blowing pipe.

3. The air flow type vibration bran duster for flour production according to claim 2, characterized in that, The bran collecting mechanism includes: Blanking plate, the blanking plate is arranged obliquely in the inside of the separation bin, the blanking plate is below the screen, a plurality of sieve holes are formed in the blanking plate; A bran collecting box is communicated with the separating bin through a falling opening and a falling plate.

4. The air flow type vibration bran duster for flour production according to claim 3, characterized in that, The flour collecting mechanism comprises: A flour collecting box is communicated with the top of the separating bin through a collecting pipe; A vacuum pump is communicated with the flour collecting box through an air inlet; A collecting bag is arranged in the flour collecting box, and the end of the collecting pipe away from the separating bin is located in the collecting bag.

5. The air flow type vibration bran duster for flour production according to claim 4, characterized in that, The heating component comprises: A heating bin is communicated with the air outlet of the fan through the heating bin; A heater is arranged in the heating bin.

6. The air flow type vibrating bran duster for flour production according to claim 5, characterized in that, Further comprising a vibrating mechanism, the vibrating mechanism is provided with three groups, three groups of the vibrating mechanism are respectively arranged in the separating bin and the two cleaning boxes, and are used for driving the vibrating of the screen mesh, and the vibrating mechanism comprises: A plurality of blow tubes are arranged, the plurality of blow tubes are communicated with each other, one of the plurality of blow tubes is communicated with the air outlet of the fan through a gas conveying pipe, and a valve is arranged on the gas conveying pipe; A fixing ring is arranged outside the blow tube; An impact block is arranged on the fixing ring through a return spring; A magnet is arranged at the bottom end of the blow tube, the impact block is in contact with the magnet, and the material of the impact block is iron metal.

7. The air flow type vibrating bran duster for flour production according to claim 6, characterized in that, The top of the cleaning box is communicated with a powder collecting pipe, the powder collecting pipe is communicated with the collecting pipe through a communicating pipe, a valve is arranged on the communicating pipe, the bottom of the cleaning box is provided with a debris collecting hopper, and the debris collecting hopper is communicated with the cleaning box through the falling opening.

8. The air flow type vibration bran duster for flour production according to claim 7, characterized in that, Further comprising a pushing mechanism, the pushing mechanism is arranged in the feeding bin, and the pushing mechanism comprises: A driving shaft is rotatably arranged in the feeding bin; A gas conveying seat is communicated with the driving shaft in rotation, and the gas conveying seat is communicated with the heating bin; A plurality of pushing plates are arranged, the pushing plates are arranged outside the driving shaft and are communicated with the driving shaft, and a plurality of blow holes are arranged in the pushing plates.

9. A method for producing flour by using the air flow type vibration bran duster for flour production according to claim 8, characterized by, The method comprises the following steps: S1, feeding: opening the feeding plate, and adding bran into the feeding bin; S2, feeding: opening the opening and closing plate, simultaneously opening the fan and the vacuum pump, and rotating the driving shaft, the fan blows air to the blow pipe, negative pressure is formed in the feeding bin, and the bran in the feeding bin enters the feeding bin and is blown into the separating bin in cooperation with the pushing plate; S3, heating: during the step S2, the fan first sends air to the inside of the heating bin, and the heater heats the conveyed air and then sends the air to the inside of the blow pipe and the pushing plate; S4, separation: the bran entering the separating bin collides with the surface of the screen mesh, the screen mesh vibrates under the action of wind and the supporting spring, and the bran and the powder particles are separated and screened; S5, powder particle collection: under the action of the vacuum pump, the powder particles pass through the screen mesh and are sucked into the inside of the collecting bag for collection. S6, bran collection: the bran is blocked by the screen and falls on the falling plate, and then slides to the inside of the bran collection box through the falling plate for collection; S7, screen replacement: the three-way valve is opened to control the communication of the air blowing pipe one or the air suction pipe one and the drive pipe one, and the corresponding air suction pipe two or air blowing pipe two and drive pipe two are controlled to communicate, and the two mounting frames are driven to move under the action of the fan and the vacuum pump, so that the two screens work alternately; S8, screen cleaning: the air supply pipe and the fan are communicated, the fan blows air to the air blowing cylinder, the impact block impacts the screen, and the screen is cleaned; S9, collection after cleaning: the push plate and the mounting frame move, the bran cleaned in the cleaning box falls into the debris collection hopper through the falling port, the powder collection pipe and the collection pipe are communicated, and the powder and particles cleaned in the cleaning box are sucked into the collection bag for collection.

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