Production and processing device for selenium-enriched flour and production method of selenium-enriched flour

Abstract

The invention relates to the technical field of selenium-enriched flour processing, in particular to a selenium-enriched flour producing and processing device and a manufacturing method thereof.The selenium-enriched flour producing and processing device comprises a bottom box, a supporting seat is arranged above the bottom box, a vertical plate is provided with a discharging mechanism enabling a stirring barrel to incline to increase the discharging speed, and the discharging mechanism comprises two rotating shafts; and the two rotating shafts are rotationally installed on the two vertical plates correspondingly and fixedly installed in the middles of the two sides of the stirring barrel, worm wheels are installed on the sides, away from the stirring barrel, of the rotating shafts, and worms engaged with the worm wheels are rotationally installed on the vertical plates. After flour and selenium source additives are mixed, the machine bin is moved upwards through the lifting mechanism, the selenium-enriched flour collecting box is placed on the top of the supporting base, then the worm drives the worm gear to rotate, the rotating shaft rotates, the top opening of the stirring barrel is driven to incline downwards, and selenium-enriched flour can flow downwards into the collecting box to be collected; as the diameter of the opening of the mixing drum is large, the circulation amount is large, and the blanking speed is higher.

Description

Technical Field

[0001] The invention relates to the technical field of selenium-enriched flour processing, in particular to a production and processing device for selenium-enriched flour and a manufacturing method thereof. Background Art

[0002] Selenium-rich flour is flour rich in the trace element selenium. According to the source of selenium, it can be divided into natural selenium-rich flour and artificial selenium-rich flour. The production and processing steps of selenium-rich flour include: raw material preparation, wheat cleaning and drying, wheat grinding and flour preparation, selenium source addition and mixing, quality inspection and disinfection, packaging and storage. Among them, selenium source addition and mixing is to fully mix the flour and selenium source additives to ensure that the selenium element is evenly distributed in the flour.

[0003] Announcement No.: CN217662934U includes a base, a mixing unit and a driving unit; the base: a longitudinally symmetrically distributed fixed column is arranged between the left and right walls of its inner cavity, a sliding sleeve is slidably connected to the middle of the fixed column, the outer arc surface of the sliding sleeve is fixedly connected to the bottom wall of the mixing barrel, and a shaped frame is arranged on the upper surface of the base; the mixing unit: includes a sleeve, a stirring plate, a rotating rod and an oblique stirring blade, the sleeve is rotatably connected to the rotating hole arranged in the middle of the horizontal plate body at the upper end of the shaped frame through a bearing 1, a uniformly distributed stirring plate is arranged at the lower end of the outer arc surface of the sleeve, a rotating rod is rotatably connected to the inside of the sleeve through a bearing 2, and an oblique stirring blade is arranged at the bottom end of the outer arc surface of the rotating rod. The stirring and mixing machine for flour processing can make the flour more uniform during processing, and greatly improves the stirring and mixing effect during flour processing.

[0004] The applicant found that this patent had some shortcomings in use: the mixing barrel only discharges materials through the discharge pipe below it. Due to the narrow diameter of the pipe and the limited unit flow rate, the discharge speed is slow and blockage is prone to occur.

[0005] Therefore, the present invention designs a production and processing device for selenium-enriched flour and a manufacturing method thereof to solve the problems existing in the prior art. Summary of the invention

[0006] The object of the present invention is to provide a production and processing device for selenium-enriched flour and a manufacturing method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a production and processing device for selenium-enriched flour and a manufacturing method thereof, comprising: a bottom box, a support seat is provided above the bottom box, vertical plates are provided above both sides of the support seat, a mixing drum is provided between the two vertical plates, a feeding mechanism is provided on the vertical plates to tilt the mixing drum and increase the feeding speed, a machine chamber is provided above the mixing drum, a stirring mechanism is provided on the machine chamber, a lifting mechanism is provided on the vertical plates to adjust the height of the machine chamber, the feeding mechanism comprises two rotating shafts, the two rotating shafts are rotatably mounted on the two vertical plates respectively and fixedly mounted in the middle of both sides of the mixing drum, a worm gear is installed on the side of the rotating shaft away from the mixing drum, a worm screw meshing with the worm gear is rotatably mounted on the vertical plates, after mixing is completed, the worm screw drives the worm gear to rotate to rotate the rotating shaft, so that the mixing drum tilts downward, and the material is fed through the opening at the top of the mixing drum, and the feeding speed is faster.

[0008] Preferably, a multi-stage electric push rod is installed at the bottom of the mixing drum, and the output end of the multi-stage electric push rod is provided with a push plate slidably connected to the mixing drum, and a disassembly and assembly component is provided between the push plate and the multi-stage electric push rod. When unloading, the multi-stage electric push rod drives the push plate to extend, and the push plate can push the selenium-rich flour to move, thereby further improving the unloading speed.

[0009] Preferably, the disassembly and assembly component includes an insert block, which is fixedly mounted on the output end of the multi-stage electric push rod, and circular holes are provided on both sides of the insert block, in which latches are slidably installed, and a return spring is connected between the latch and the insert block, and a slot and two side grooves that are plugged into the insert block are provided at the bottom of the push plate, and the two side grooves are respectively located on both sides of the slot, and the slot and the side grooves are connected by a through hole. When the edge of the push plate is worn due to long-term use, the push plate can be conveniently replaced by disassembling and assembling the component.

[0010] Preferably, the stirring mechanism includes a main stirring shaft, which is rotatably installed in the middle of the bottom of the machine warehouse, and a plurality of auxiliary stirring shafts are rotatably installed around the bottom of the machine warehouse, and a plurality of stirring rods are installed below the outer side walls of the main stirring shaft and the auxiliary stirring shaft, a main gear is installed on the top of the main stirring shaft, and a driven gear meshing with the main gear is installed on the top of the auxiliary stirring shaft, an up and down shaking component for making the stirring drum shake up and down is provided on the support seat, and a horizontal shaking component for making the support seat rotate forward and reverse is provided on the bottom box, and the stirring effect can be improved by the synchronous rotation of the main stirring shaft and multiple auxiliary stirring shafts.

[0011] Preferably, the up and down shaking assembly includes two connecting plates, and the two connecting plates are respectively installed at the bottom of two vertical plates, and both ends of the connecting plates are slidably installed with vertical frames fixedly connected to the support seats, and the vertical frames are fixedly installed with guide rods slidably connected to the connecting plates. The top and bottom of the connecting plates are connected to the vertical frames through buffer springs, and the buffer springs are sleeved on the outside of the guide rods. A vibrator is provided on the vertical plates, and the up and down shaking assembly can make the mixing drum shake up and down, so that the flour and selenium source additives shake, thereby improving the mixing effect.

[0012] Preferably, the horizontal shaking assembly includes a connecting shaft, which is rotatably mounted on the top of the bottom box, and the top of the connecting shaft is fixedly mounted at the middle of the bottom of the support seat. A servo motor is installed in the bottom box, and transmission gears are installed on the output end of the servo motor and the outer wall of the connecting shaft. The two transmission gears are meshed with each other. A plurality of rollers connected to the bottom box are installed on the outer periphery of the bottom of the support seat. The horizontal shaking assembly can drive the support seat to rotate back and forth at a certain angle, so that the flour and selenium source additive in the mixing drum can be shaken, thereby improving the mixing effect.

[0013] Preferably, the lifting mechanism includes a long groove, which is opened above the vertical plate. A screw rod is rotatably installed in the long groove. A slide plate is slidably installed on the outer wall of the screw rod through a thread. The slide plate and the machine chamber are fixedly installed. During stirring, the lifting mechanism drives the machine chamber to descend to cover the top of the mixing drum to avoid leakage. During unloading, the lifting mechanism drives the machine chamber to rise to avoid affecting the rotation of the mixing drum.

[0014] Preferably, step 1: prepare materials, prepare an appropriate amount of flour, mix the selenium source additive according to the formula, and then pour the flour and the selenium source additive into a mixing drum;

[0015] Step 2: The screw rotates to drive the slide plate down, so that the machine chamber descends to cover the top of the mixing drum, and then the main mixing shaft rotates, and the auxiliary mixing shaft rotates synchronously through the meshing of the main gear and the driven gear, so that the mixing rod rotates to mix the flour and the selenium source additive, so that the selenium source additive is evenly distributed in the flour, and the material can be unloaded after it is made;

[0016] Step 3: The machine chamber rises and leaves the mixing drum, and then the worm drives the multi-stage electric push rod to rotate, so that the rotating shaft drives the mixing drum to rotate. After the mixing drum is tilted, the selenium-rich flour is discharged from the top of the mixing drum, and the discharge speed is faster. At the same time, the multi-stage electric push rod drives the push plate to extend, which can push the selenium-rich flour and further increase the discharge speed.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. After the flour and the selenium source additive are mixed, the machine chamber is moved upward by the lifting mechanism, and the selenium-rich flour collection box is placed on the top of the support seat. Then the worm drives the worm wheel to rotate, so that the rotating shaft rotates, and drives the top opening of the mixing drum to tilt downward, and the selenium-rich flour can flow downward into the collection box for collection. Since the opening diameter of the mixing drum is large and the flow rate is large, the feeding speed is faster. At the same time, the electric push rod can push the push plate to move and push the selenium-rich flour to further increase the feeding speed. The selenium-rich flour attached to the inner wall of the mixing drum can also be scraped to avoid incomplete feeding and improve the feeding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the present invention;

[0020] Figure 2 It is a schematic structural diagram of the material unloading mechanism of the present invention;

[0021] Figure 3 It is a schematic diagram of the disassembly and assembly structure of the present invention;

[0022] Figure 4 For the present invention Figure 3 A schematic diagram of the structure at A;

[0023] Figure 5 It is a schematic cross-sectional view of the cabin structure of the present invention;

[0024] Figure 6 It is a schematic diagram of the structure of the up and down shaking component of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the horizontal shaking assembly of the present invention.

[0026] In the figure: 1, bottom box; 2, support seat; 3, vertical plate; 4, mixing drum; 5, unloading mechanism; 501, rotating shaft; 502, worm gear; 503, worm; 504, multi-stage electric push rod; 505, push plate; 506, disassembly and assembly components; 5061, plug block; 5062, round hole; 5063, latch; 5064, return spring; 5065, slot; 5066, side groove; 5067, through hole; 6, machine room; 7, mixing mechanism; 701, main mixing shaft; 702 , auxiliary stirring shaft; 703, stirring rod; 704, main gear; 705, driven gear; 706, up and down shaking assembly; 7061, connecting plate; 7062, vertical frame; 7063, guide rod; 7064, buffer spring; 7065, vibrator; 707, horizontal shaking assembly; 7071, connecting shaft; 7072, servo motor; 7073, transmission gear; 7074, roller; 8, lifting mechanism; 801, long groove; 802, screw rod; 803, slide plate. DETAILED DESCRIPTION

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

[0028] See also Figure 1-7 , an embodiment provided by the present invention: a production and processing device for selenium-enriched flour and a manufacturing method thereof, comprising: a bottom box 1, a support seat 2 is provided above the bottom box 1, vertical plates 3 are provided above both sides of the support seat 2, a mixing drum 4 is provided between the two vertical plates 3, a feeding mechanism 5 for tilting the mixing drum 4 to increase the feeding speed is provided on the vertical plate 3, a machine chamber 6 is provided above the mixing drum 4, a stirring mechanism 7 is provided on the machine chamber 6, a lifting mechanism 8 for adjusting the height of the machine chamber 6 is provided on the vertical plate 3, the feeding mechanism 5 comprises two rotating shafts 501, the two rotating shafts 501 are rotatably mounted on the two vertical plates 3 respectively and fixedly mounted at the middle of the two sides of the mixing drum 4, a worm gear 502 is installed on the side of the rotating shaft 501 away from the mixing drum 4, a worm 503 meshing with the worm gear 502 is rotatably mounted on the vertical plate 3, a PLC controller is provided on the bottom box, and the two motors can work synchronously through the PLC controller, the worm is mounted on the vertical plate through a bracket, and one end of the worm is connected to the output end of the driving motor.

[0029] See also Figure 2 In this embodiment: a multi-stage electric push rod 504 is installed at the bottom of the mixing drum 4, and a push plate 505 slidably connected to the mixing drum 4 is provided at the output end of the multi-stage electric push rod 504, and a disassembly assembly 506 is provided between the push plate 505 and the multi-stage electric push rod 504.

[0030] See also Figure 3-4In this embodiment: the disassembly assembly 506 includes an insert block 5061, which is fixedly mounted on the output end of the multi-stage electric push rod 504. Round holes 5062 are provided on both sides of the insert block 5061. A latch 5063 is slidably installed in the round hole 5062. A return spring 5064 is connected between the latch 5063 and the insert block 5061. A slot 5065 and two side slots 5066 are provided at the bottom of the push plate 505. The two side slots 5066 are respectively located on both sides of the slot 5065. 5065 and the side groove 5066 are connected by the through hole 5067. When the push plate needs to be replaced, the multi-stage electric push rod drives the push plate to extend out of the mixing drum, and then the staff puts two fingers into the two side grooves and presses the latch to make the latch leave the through hole, so that the plug block and the slot are separated, and the removal of the push plate is completed. When replacing a new push plate, the two latches are pressed in the same way to make the latch enter the round hole and squeeze the reset spring, and then the plug block is inserted into the slot. Through the restoring force of the reset spring, the latch passes through the through hole to complete the installation of the push plate.

[0031] See also Figure 5 In the present embodiment, the stirring mechanism 7 comprises a main stirring shaft 701, which is rotatably mounted at the middle of the bottom of the machine chamber 6, and a plurality of auxiliary stirring shafts 702 are rotatably mounted around the bottom of the machine chamber 6, and a plurality of stirring rods 703 are mounted below the outer side walls of the main stirring shaft 701 and the auxiliary stirring shaft 702, a main gear 704 is mounted on the top of the main stirring shaft 701, and a driven gear 705 meshing with the main gear 704 is mounted on the top of the auxiliary stirring shaft 702, an up and down shaking assembly 706 for shaking the stirring drum 4 up and down is provided on the support seat 2, and a horizontal shaking assembly 707 for rotating the support seat 2 forward and reverse is provided on the bottom box 1, and the top of the main stirring shaft 701 is connected to the output end of the stirring motor, and the meshing of the driving gear and the driven gear can synchronously drive the plurality of auxiliary stirring shafts to rotate, so that the stirring rods rotate synchronously for stirring.

[0032] See also Figure 6 In this embodiment: the up and down shaking component 706 includes two connecting plates 7061, and the two connecting plates 7061 are respectively installed at the bottom of the two vertical plates 3, and both ends of the connecting plates 7061 are slidably installed with vertical frames 7062 fixedly connected to the support seat 2, and the vertical frames 7062 are fixedly installed with guide rods 7063 slidably connected to the connecting plates 7061. The top and bottom of the connecting plate 7061 are connected to the vertical frames 7062 through buffer springs 7064, and the buffer springs 7064 are sleeved on the outside of the guide rods 7063. A vibrator 7065 is provided on the vertical plate 3. When the vibrator is started, the guide rod limits the connecting plate, and then the buffer spring restores the deformation force, so that the vertical plate shakes up and down, thereby improving the movement of flour and selenium source additives and improving the stirring effect.

[0033] See also Figure 7In this embodiment: the horizontal shaking component 707 includes a connecting shaft 7071, which is rotatably installed on the top of the bottom box 1, and the top of the connecting shaft 7071 is fixedly installed at the middle of the bottom of the support base 2. A servo motor 7072 is installed in the bottom box 1, and a transmission gear 7073 is installed on the output end of the servo motor 7072 and the outer wall of the connecting shaft 7071. The two transmission gears 7073 are meshed with each other. A plurality of rollers 7074 that are rollingly connected to the bottom box 1 are installed on the outer periphery of the bottom of the support base 2. The servo motor rotates forward and backward, and the meshing of the two transmission gears can make the connecting shaft rotate forward and backward, which can drive the support base to rotate forward and backward, and make the mixing drum rotate forward and backward, thereby improving the movement of flour and selenium source additives and improving the mixing effect. The rollers can reduce the friction between the support base and the bottom box.

[0034] See also Figure 1 In this embodiment: the lifting mechanism 8 includes a long groove 801, which is opened above the vertical plate 3, and a screw rod 802 is rotatably installed in the long groove 801. A slide plate 803 is slidably installed on the outer wall of the screw rod 802 through a thread. The slide plate 803 and the machine chamber 6 are fixedly installed. The top of the screw rod 802 is connected to the output end of the lifting motor, which can drive the screw rod to rotate forward and reverse to make the slide plate slide up and down, thereby driving the machine chamber to move up and down.

[0035] See also Figure 1-7 In this embodiment: Step 1: Prepare materials, prepare an appropriate amount of flour, mix the selenium source additive according to the formula, and mix the flour, and then pour the flour and selenium source additive into the mixing drum 4;

[0036] Step 2: The screw rod 802 rotates to drive the slide plate 803 to descend, so that the machine chamber 6 descends to cover the top of the mixing drum 4, and then the main mixing shaft 701 rotates, and the auxiliary mixing shaft 702 rotates synchronously through the meshing of the main gear 704 and the driven gear 705, so that the mixing rod 703 rotates, and the flour and the selenium source additive are stirred, so that the selenium source additive is evenly distributed in the flour, and the material can be unloaded after it is made;

[0037] Step three: the machine chamber 6 rises and leaves the mixing drum 4, and then the worm 503 drives the multi-stage electric push rod 504 to rotate, so that the rotating shaft 501 drives the mixing drum 4 to rotate. After the mixing drum 4 is tilted, the selenium-rich flour is discharged from the top of the mixing drum 4, and the discharge speed is faster. At the same time, the multi-stage electric push rod 504 drives the push plate 505 to extend, which can push the selenium-rich flour and further increase the discharge speed.

[0038] Working principle: Pour flour and selenium source additives into the mixing drum 4, the screw 802 rotates to drive the slide plate 803 to descend, so that the machine chamber 6 descends to cover the top of the mixing drum 4, and then the main mixing shaft 701 rotates, and the auxiliary mixing shaft 702 rotates synchronously through the engagement of the main gear 704 and the driven gear 705, so that the mixing rod 703 rotates, and the flour and selenium source additives are stirred to make the different raw materials fully mixed. After the preparation, the material can be unloaded, and the machine chamber 6 rises and leaves the mixing drum 4, and then the worm 503 drives the multi-stage electric push rod 504 to rotate, so that the rotating shaft 501 drives the mixing drum 4 to rotate. After the mixing drum 4 is tilted, the selenium-rich flour is unloaded from the top of the mixing drum 4, and the unloading speed is faster. At the same time, the multi-stage electric push rod 504 drives the push plate 505 to extend, which can push the selenium-rich flour to move, further improving the unloading speed. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A production and processing device for selenium-enriched flour, comprising: A bottom box (1), characterized in that: a support seat (2) is provided above the bottom box (1), vertical plates (3) are provided above both sides of the support seat (2), a mixing drum (4) is provided between the two vertical plates (3), a feeding mechanism (5) is provided on the vertical plates (3) for tilting the mixing drum (4) to increase the feeding speed, a machine chamber (6) is provided above the mixing drum (4), a stirring mechanism (7) is provided on the machine chamber (6), a lifting mechanism (8) is provided on the vertical plates (3) for adjusting the height of the machine chamber (6), the feeding mechanism (5) comprises two rotating shafts (501), the two rotating shafts (501) are rotatably mounted on the two vertical plates (3) respectively and fixedly mounted on the middle of the two sides of the mixing drum (4), a worm gear (502) is installed on the side of the rotating shaft (501) away from the mixing drum (4), and a worm (503) meshing with the worm gear (502) is rotatably mounted on the vertical plates (3).

2. A production and processing device for selenium-enriched flour according to claim 1, characterized in that: A multi-stage electric push rod (504) is installed at the bottom of the mixing drum (4), and a push plate (505) slidably connected to the mixing drum (4) is provided at the output end of the multi-stage electric push rod (504), and a disassembly assembly (506) is provided between the push plate (505) and the multi-stage electric push rod (504).

3. A production and processing device for selenium-enriched flour according to claim 2, characterized in that: The disassembly assembly (506) comprises an insert block (5061), wherein the insert block (5061) is fixedly mounted on the output end of the multi-stage electric push rod (504), and circular holes (5062) are provided on both sides of the insert block (5061), and a latch (5063) is slidably mounted in the circular hole (5062), and a return spring (5064) is connected between the latch (5063) and the insert block (5061), and a slot (5065) and two side slots (5066) are provided at the bottom of the push plate (505), and the two side slots (5066) are respectively located on both sides of the slot (5065), and the slot (5065) and the side slots (5066) are connected via a through hole (5067).

4. A production and processing device for selenium-enriched flour according to claim 1, characterized in that: The stirring mechanism (7) comprises a main stirring shaft (701), the main stirring shaft (701) being rotatably mounted at the middle of the bottom of the machine chamber (6), a plurality of auxiliary stirring shafts (702) being rotatably mounted around the bottom of the machine chamber (6), a plurality of stirring rods (703) being mounted below the outer side walls of the main stirring shaft (701) and the auxiliary stirring shaft (702), a main gear (704) being mounted at the top of the main stirring shaft (701), a driven gear (705) meshing with the main gear (704) being mounted at the top of the auxiliary stirring shaft (702), an up-and-down shaking assembly (706) for causing the stirring drum (4) to shake up and down being provided on the support seat (2), and a horizontal shaking assembly (707) for causing the support seat (2) to rotate forward and reverse being provided on the bottom box (1).

5. A production and processing device for selenium-enriched flour according to claim 4, characterized in that: The up and down shaking assembly (706) comprises two connecting plates (7061), the two connecting plates (7061) are respectively mounted on the bottom of the two vertical plates (3), both ends of the connecting plates (7061) are slidably mounted with vertical frames (7062) fixedly connected to the support seat (2), the vertical frames (7062) are fixedly mounted with guide rods (7063) slidably connected to the connecting plates (7061), the top and bottom of the connecting plates (7061) are connected to the vertical frames (7062) via buffer springs (7064), the buffer springs (7064) are sleeved on the outside of the guide rods (7063), and a vibrator (7065) is provided on the vertical plates (3).

6. A production and processing device for selenium-enriched flour according to claim 4, characterized in that: The horizontal shaking assembly (707) comprises a connecting shaft (7071), wherein the connecting shaft (7071) is rotatably mounted on the top of the bottom box (1), and the top of the connecting shaft (7071) is fixedly mounted on the middle of the bottom of the support seat (2). A servo motor (7072) is mounted in the bottom box (1), and a transmission gear (7073) is mounted on the output end of the servo motor (7072) and the outer wall of the connecting shaft (7071), and the two transmission gears (7073) are meshed with each other. A plurality of rollers (7074) which are rollingly connected to the bottom box (1) are mounted on the outer periphery of the bottom of the support seat (2).

7. A production and processing device for selenium-enriched flour according to claim 1, characterized in that: The lifting mechanism (8) comprises a long slot (801), wherein the long slot (801) is provided above the vertical plate (3), a screw rod (802) is rotatably mounted in the long slot (801), a slide plate (803) is slidably mounted on the outer wall of the screw rod (802) via a thread, and the slide plate (803) and the machine chamber (6) are fixedly mounted.

8. A method for producing selenium-enriched flour according to any one of claims 1 to 7, characterized in that: Step 1: Prepare the materials, prepare an appropriate amount of flour, mix the selenium source additive according to the formula, and then pour the flour and selenium source additive into the mixing drum (4); Step 2: The screw (802) rotates to drive the slide plate (803) to descend, so that the machine chamber (6) descends to cover the top of the mixing drum (4), and then the main mixing shaft (701) rotates, and the auxiliary mixing shaft (702) rotates synchronously through the meshing of the main gear (704) and the driven gear (705), so that the mixing rod (703) rotates, and the flour and the selenium source additive are stirred, so that the selenium source additive is evenly distributed in the flour, and the material can be unloaded after it is made; Step 3: The machine chamber (6) rises and leaves the mixing drum (4), and then the worm (503) drives the multi-stage electric push rod (504) to rotate, so that the rotating shaft (501) drives the mixing drum (4) to rotate. After the mixing drum (4) is tilted, the selenium-rich flour is discharged from the top of the mixing drum (4), and the discharge speed is faster. At the same time, the multi-stage electric push rod (504) drives the push plate (505) to extend, which can push the selenium-rich flour, further increasing the discharge speed.

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