Stirring and mixing device and method

Abstract

The invention relates to the technical field of mixing equipment, and particularly discloses a stirring and mixing device and method, a plurality of wheel discs are sleeved layer by layer, two adjacent wheel discs are rotatably connected, the wheel disc at the center is coaxially connected with a center shaft, and the center shaft is rotatably assembled in a mixing box; each wheel disc is connected with a spiral blade surrounding the center shaft, the multiple spiral blades are sequentially embedded from inside to outside to form a conveying blade, and the diameter of the conveying blade is matched with the inner cavity of the mixing box so that materials can be conveyed in the rotating process; the separating mechanism is arranged on the center shaft and used for controlling the multiple wheel discs to be staggered in the circumferential direction so that the multiple spiral blades can be separated from one another. According to the stirring and mixing device, stirring and conveying of materials are achieved through separation and embedding of the spiral blades, so that power discharging of the materials is achieved, and the discharging efficiency and the discharging sufficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of mixing equipment, and in particular to a stirring and mixing device and method. Background Art

[0002] Rice wine, also known as fermented glutinous rice, sweet wine, and formerly known as "Li", is a delicious and ancient brewed alcoholic beverage that uses rice as raw material and produces alcohol through a fermentation process. Jiuqu, a mixture containing yeast and other fermenting microorganisms, is the main fermentation agent in the fermentation process of rice wine. It can convert starch in rice into sugar, then convert sugar into alcohol, and give rice wine a unique aroma and taste. In the production process of rice wine, the mixing of rice and Jiuqu is a crucial step.

[0003] The Chinese patent application with publication number CN114699959A discloses a device for mixing koji and glutinous rice for rice wine production, including a mixing tank, a motor is installed on the top of the mixing tank, the output end of the motor is connected to a rotating rod through a coupling, a plurality of conveying blades are fixedly connected to the rotating rod, and a discharge pipe with a discharge valve is fixedly connected to the bottom of the mixing tank. When the koji and glutinous rice are mixed, the glutinous rice is first put into the mixing tank, the motor is started and the conveying blades are driven by the rotating rod to continuously turn the glutinous rice, and the koji powder is scattered in the mixing tank and mixed with the glutinous rice. The stirring action of the conveying blades makes the mixing of glutinous rice and koji more uniform. After the mixing is completed, the discharge valve is opened, and the fermented glutinous rice can be discharged from the mixing tank through the discharge pipe.

[0004] However, since the glutinous rice has been soaked and steamed before mixing and fermenting, it has a high viscosity. The discharge depends on the weight of the glutinous rice, which takes a long time and leaves a lot of glutinous rice residue. The mixing tank is a closed structure, so it is difficult to use tools to reach into the tank to stir the glutinous rice, and it is also impossible to speed up the discharge of the glutinous rice. As a result, the discharge efficiency of the glutinous rice is low and the discharge is insufficient.

[0005] Therefore, the art needs a stirring and mixing device and method to solve the above problems. Summary of the invention

[0006] The invention provides a stirring and mixing device and method, aiming to solve the problems of low discharge efficiency and insufficient discharge of glutinous rice in the related art.

[0007] The stirring and mixing device of the present invention comprises a mixing box and an auger. The upper part of the mixing box is open, and the auger is horizontally arranged in the mixing box. The auger comprises a wheel disc and a separation mechanism. A plurality of the wheel discs are nested in layers, and two adjacent wheel discs are rotatably connected. The wheel disc at the center is coaxially connected to a central shaft, and the central shaft is rotatably assembled in the mixing box. Each of the wheel discs is connected to a spiral blade surrounding the central shaft, and a plurality of the spiral blades are sequentially embedded from the inside to the outside to form a conveying blade. The diameter of the conveying blade is adapted to the inner cavity of the mixing box so as to convey the material during rotation. The separation mechanism is arranged on the central shaft, and is used to control the circumferential displacement of the plurality of wheel discs so as to separate the plurality of spiral blades from each other.

[0008] The effect is that the present invention realizes the separation of multiple spiral blades through the setting of the separation mechanism, so that when the central shaft rotates, the multiple spiral blades can stir the materials, promote the mixing of the materials, and make them mixed evenly. After the stirring is completed, when it is necessary to discharge the materials, the separation mechanism can control the multiple wheel discs to return to their original positions, so that the multiple spiral blades are re-embedded to form conveying blades. Since the diameter of the conveying blades is compatible with the inner cavity of the mixing box, the conveying blades can push the mixed materials outward during rotation to achieve external discharge.

[0009] Compared with the existing operation of relying on the gravity of glutinous rice to discharge, the spiral conveying of the conveying blades is used to actively discharge the glutinous rice. The conveying structure is more reliable and reasonable, and the conveying power is stronger, thereby greatly shortening the discharge time of the glutinous rice and improving the discharge efficiency of the glutinous rice. In addition, the power push of the conveying blades also makes the discharge of the glutinous rice more complete, reducing the residue of glutinous rice in the inner cavity.

[0010] Preferably, the number of the wheel discs is three, the wheel disc at the center is set as the central wheel disc, and the other two wheel discs are set as nested wheel discs, the separation mechanism includes a moving part and a conversion joint, the moving part is assembled on the central axis along the axial sliding of the central axis; the two nested wheel discs are provided with a connecting part extending radially along the central axis, the conversion joint is located between the two connecting parts, and the conversion joint and the two connecting parts are hinged by a connecting rod; a driving rod is hinged between the conversion joint and the moving part.

[0011] Preferably, the separation mechanism also includes a kit and a driver, the kit is rotatably connected to the moving part, and the rotation centers of the two are concentric with the axis of the central axis; the driver is installed on the mixing box and is used to drive the kit to slide axially along the central axis.

[0012] The effect is that when the driver drives the kit to slide, the kit drives the moving part to slide through the collar, thereby adjusting the axial position of the moving part on the central axis, and the moving part can drive the conversion joint to approach the central axis through the driving rod, and the conversion joint drives the two connecting rods to make planar motion, and the two connecting rods drive the two sleeved wheel discs to rotate relative to each other through the connecting parts, thereby realizing the circumferential misalignment of the central wheel disc and the two sleeved wheel discs, and then realizing the separation of the three spiral blades.

[0013] Preferably, the spiral blades on the center wheel disk are set as center spiral blades, and the remaining spiral blades are set as sleeve spiral blades. The center spiral blade and the sleeve spiral blade away from the center spiral blade are both provided with a plurality of engaging grooves, and the plurality of engaging grooves are spaced apart along the spiral direction of the center spiral blade or the sleeve spiral blade; a plurality of engaging strips are provided on both sides of the sleeve spiral blade close to the center spiral blade, and the plurality of engaging strips on one side are engaged in the engaging grooves of the center spiral blade, and the plurality of engaging strips on the other side are engaged in the engaging grooves of the sleeve spiral blade away from the center spiral blade.

[0014] The effect is that the arrangement of the interlocking strips and the interlocking grooves realizes the interlocking effect between the spiral blades, which facilitates the combination to form a conveying blade. In addition, when the central spiral blade and the two sleeve spiral blades are separated from each other, a plurality of spaced protrusions will be formed on the central spiral blade and the sleeve spiral blade away from the central spiral blade due to the opening of the interlocking grooves. These protrusions combined with the exposed interlocking strips can enhance the stirring effect on the material and improve the uniformity of material mixing.

[0015] Preferably, a first clamping member and a second clamping member for clamping the conveying blade are provided on both sides of the conveying blade, one end of the first clamping member is rotatably connected to the central axis, one end of the second clamping member is sleeved on the outside of the central axis and rotatably connected to the first clamping member, a torsion elastic member is connected between the first clamping member and the second clamping member, the torsion elastic member is used to make the first clamping member and the second clamping member approach each other to clamp the conveying blade in the middle; a locking mechanism is provided on the mixing box, the locking mechanism is used to block the first clamping member or the second clamping member when the conveying blade drives the first clamping member and the second clamping member to rotate, so that the circumferential positions of the first clamping member and the second clamping member are locked.

[0016] Preferably, the locking mechanism includes a locking frame and a pushing mechanism, the locking frame is elastically slidably connected to the mixing box along the radial direction of the central axis, the locking frame has a shift rod, when the locking frame slides, the shift rod can be in the rotation path of the first clamping member or the second clamping member to block the first clamping member or the second clamping member; the pushing mechanism is installed on the mixing box and is used to push the locking frame to slide.

[0017] The effect is that after the shift rod blocks the first clamping member or the second clamping member, when the conveying blade continues to rotate, the first clamping member will slide along the axial direction of the central axis under the spiral action of the conveying blade. During the sliding, the first clamping member and the second clamping member will pass through various parts of the conveying blade in turn, scraping off the glutinous rice on the blade surfaces on both sides of the conveying blade, thereby realizing self-cleaning of the conveying blade.

[0018] Preferably, in the initial state, the first clamping member and the second clamping member are adjacent to the wheel disc, a ring frame coaxially arranged on the outer side of the wheel disc is provided in the mixing box, the inner side of the ring frame constitutes an annular groove, and the free ends of the first clamping member and the second clamping member are fixed with limiting rods, and the limiting rods are engaged in the annular groove; an opening connected to the annular groove is provided on the ring frame, and the opening is used for the shift rod portion to enter.

[0019] The effect is that when the first clamping member and the second clamping member rotate synchronously with the sleeved spiral blade, the first clamping member and the second clamping member cannot escape from the restraint of the annular groove, and the annular groove realizes the locking of the axial position of the first clamping member and the second clamping member, thereby avoiding the axial sliding of the first clamping member and the second clamping member along the central axis. In this way, the first clamping member and the second clamping member are restrained in the wheel disc area, which is convenient for subsequent cleaning of the conveying blade, and the conveying blade can be cleaned from the head end to the tail end, thereby ensuring the comprehensiveness and integrity of the cleaning of the conveying blade.

[0020] Preferably, there are two locking mechanisms and they are symmetrical about the central axis.

[0021] Preferably, a discharge port is provided on the end of the mixing box away from the wheel disc, and a shutoff door for controlling the opening and closing of the discharge port is installed at the discharge port.

[0022] The stirring and mixing method of the present invention, using the above stirring and mixing device, comprises the following steps: The separation mechanism controls the plurality of wheel discs to be displaced from each other, and the plurality of spiral blades to be separated from each other; The central shaft rotates, and the central shaft drives multiple wheels to rotate through the separation mechanism, and multiple spiral blades stir the materials in the mixing box to make them evenly mixed; The separation mechanism controls the plurality of wheels to return to their original positions, and the plurality of spiral blades are engaged to form a conveying blade; The central shaft rotates, and the conveying blades rotate accordingly to transport the material outwards.

[0023] By adopting the above technical solution, the beneficial effects of the present invention are as follows: The present invention sets a separation mechanism so that the spiral blades can switch between a separation state and an engagement state. When the spiral blades are separated, the spiral blades can stir the material to promote uniform mixing; when the spiral blades are engaged, conveying blades are formed, and the material can be spirally conveyed to achieve external discharge. Compared with the existing operation of relying on the gravity of the material for external discharge, the spiral conveying of the conveying blades can form an active external discharge of the material, the conveying structure is more reliable and reasonable, and the conveying power is stronger, thereby greatly shortening the material discharge time and improving the material discharge efficiency; in addition, the power push of the conveying blades also makes the material discharge more sufficient, reducing the residual material in the inner cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the appearance of the stirring and mixing device of the present invention.

[0025] Figure 2 It is a cross-sectional schematic diagram of the stirring and mixing device of the present invention.

[0026] Figure 3 The present invention Figure 2 A magnified schematic diagram of center A.

[0027] Figure 4 The present invention Figure 2 A magnified schematic diagram of point B in the middle.

[0028] Figure 5 It is an axonometric schematic diagram of the present invention after the plurality of spiral blades are separated.

[0029] Figure 6 It is a schematic structural diagram of the first clamping member to the ring frame portion of the present invention.

[0030] Figure 7 It is a three-dimensional schematic diagram of the first clamping member and the second clamping member of the present invention.

[0031] Figure 8 It is a structural schematic diagram of the sliding mechanism to the locking frame part of the present invention.

[0032] Reference numerals: 1. mixing box; 11. inner cavity; 12. driving motor; 13. extension plate; 14. ring frame; 141. ring groove; 142. opening; 2. wheel disc; 21. center wheel disc; 22. sleeve wheel disc; 221. connecting piece; 3. Separation mechanism; 31. Moving part; 311. Collar; 32. Conversion joint; 321. Connecting rod; 322. Driving rod; 33. Kit; 34. Driver; 341. Screw rod; 342. Turning handle; 400, conveying blade; 4, spiral blade; 41, central spiral blade; 411, protrusion; 42, sleeve spiral blade; 421, fitting strip; 5. Central axis; 6. Closing door; 61. Door body; 611. Mounting frame; 62. Lock catch; 621. Compression spring; 622. Pull-out rod; 6221. Handle; 71, first clamping member; 711, limiting rod; 72, second clamping member; 81. Locking frame; 811. Return spring; 812. Shifting rod; 82. Pushing mechanism; 821. Bolt; 8211. Head. DETAILED DESCRIPTION

[0033] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0034] Combine the following Figures 1 to 8 The stirring mixing device of the present invention is described.

[0035] like Figure 1 As shown, the stirring and mixing device of the present invention comprises a mixing box 1 and an auger.

[0036] The mixing box 1 is a horizontal structure, and an inner cavity 11 extending left and right is formed inside the mixing box, and the cross section of the inner cavity 11 is generally arc-shaped. The upper part of the mixing box 1 is open and is used to place materials. In this embodiment, the materials can be glutinous rice and wine yeast, and the mixing box 1 is used to achieve mixing of the two.

[0037] Continue to refer Figures 1 to 3 The auger is transversely arranged in the inner cavity 11, and the auger includes a wheel disc 2 and a separation mechanism 3.

[0038] Multiple wheel discs 2 are nested in layers, and two adjacent wheel discs 2 are connected in rotation. The wheel disc 2 at the center is coaxially connected with a central shaft 5, and the central shaft 5 is rotatably assembled in the mixing box 1. It can be understood that the axis of the central shaft 5 and the arc center of the inner cavity 11 are concentrically arranged; a driving motor 12 for driving the central shaft 5 to rotate is installed on the mixing box 1. Each wheel disc 2 is fixedly connected with a spiral blade 4 surrounding the central shaft 5. In the initial state, multiple spiral blades 4 are sequentially embedded from the inside to the outside to form a conveying blade 400. The diameter of the conveying blade 400 is equal to the diameter of the inner cavity 11, so that the conveying blade 400 is adapted to the inner cavity 11 to convey materials during rotation.

[0039] An installation cavity is provided inside the mixing box 1, and the installation cavity is located on the side of the wheel disc 2 away from the spiral blade 4, and part of the central axis 5 extends into the installation cavity. The separation mechanism 3 is located in the installation cavity and is arranged on the central axis 5, and is used to control the displacement of multiple wheel discs 2 in the circumferential direction so that the multiple spiral blades 4 are separated from each other.

[0040] Continue to refer Figures 2 to 5 The separation mechanism 3 includes a moving part 31, a conversion joint 32, a kit 33 and a driver 34.

[0041] There are three wheels 2, the wheel 2 at the center is set as the central wheel 21, and the other two wheels 2 are set as the sleeve wheel 22. The moving member 31 is slidably sleeved on the central shaft 5, and the sliding direction of the moving member 31 is along the axial direction of the central shaft 5.

[0042] The two sleeve wheels 22 are fixed with a connecting piece 221, which extends in the radial direction of the central axis 5. In the initial state, the extending direction of the connecting piece 221 is consistent with the vertical direction. The conversion joint 32 is located between the two connecting pieces 221. The conversion joint 32 and the two connecting pieces 221 are hinged through a connecting rod 321. The two connecting rods 321 are symmetrical about the conversion joint 32. A driving rod 322 is hinged between the conversion joint 32 and the moving piece 31.

[0043] When the moving part 31 moves axially along the central axis 5, it can drive the conversion joint 32 to approach the central axis 5 through the driving rod 322, and the conversion joint 32 drives the two connecting rods 321 to make planar motion. The two connecting rods 321 respectively drive the two nested wheel discs 22 to rotate relative to each other through the connecting part 221, thereby realizing the circumferential misalignment of the central wheel disc 21 and the two nested wheel discs 22, and then realizing the mutual separation of the three spiral blades 4. In this way, when the central shaft 5 rotates, it drives the central wheel 21 to rotate, and at the same time drives the conversion joint 32 to rotate around the axis of the central shaft 5 through the moving part 31 and the driving rod 322. The conversion joint 32 drives the two nested wheels 22 to rotate through the connecting rod 321 and the connecting part 221, thereby realizing the synchronous rotation of the central wheel 21 and the nested wheel 22, so that the three separated spiral blades 4 also rotate synchronously and stir the glutinous rice raw material in the inner cavity 11. During stirring, the koji powder is sprinkled into the inner cavity 11 one by one, thereby realizing the stirring and mixing of the glutinous rice raw material and the koji powder, so that the two are mixed evenly.

[0044] When the mixing is completed and the material needs to be discharged, the moving member 31 can be moved in the opposite direction along the axial direction of the central axis 5 and reset. Through the power transmission of the driving rod 322, the conversion joint 32, the connecting rod 321 and the connecting member 221, the two sleeved wheel discs 22 rotate in the opposite direction and gradually return to the original position, so that the central wheel disc 21 and the two sleeved wheel discs 22 are in the correct position in the circumferential direction, and the three spiral blades 4 are re-engaged to form the conveying blades 400. In this way, when the central axis 5 rotates, the conveying blades 400 can be driven to rotate through the connection of various components. Since the conveying blades 400 are adapted to the inner cavity 11, the conveying blades 400 can push the mixed glutinous rice outward, thereby realizing the discharge of the glutinous rice. Compared with the existing operation of relying on the gravity of glutinous rice for discharge, the spiral conveying of the conveying blades 400 is used to actively discharge the glutinous rice. The conveying structure is more reliable and reasonable, and the conveying power is stronger, thereby greatly shortening the discharge time of the glutinous rice and improving the discharge efficiency of the glutinous rice. In addition, the power push of the conveying blades 400 also makes the discharge of the glutinous rice more complete, reducing the residue of glutinous rice in the inner cavity 11.

[0045] The moving member 31 has a collar 311 sleeved on the central shaft 5 , and the sleeve 33 is rotatably sleeved on the outer circumference of the collar 311 . It can be understood that the rotation center of the sleeve 33 is concentric with the axis of the central shaft 5 .

[0046] The driver 34 is installed on the mixing box 1 and is used to drive the sleeve 33 to slide along the axial direction of the central axis 5 .

[0047] When the driver 34 drives the sleeve 33 to slide, the sleeve 33 drives the moving member 31 to slide through the collar 311 , thereby adjusting the axial position of the moving member 31 on the central shaft 5 , and further controlling the engagement and separation of the three spiral blades 4 .

[0048] Continue to refer Figure 1 , Figure 2 and Figure 4 In order to discharge the mixed glutinous rice smoothly, a discharge port is provided at the end of the mixing box 1 away from the wheel disc 2, and a shutoff door 6 for controlling its opening and closing is installed at the discharge port. When stirring, the shutoff door 6 is closed to seal the material in the mixing box 1 to prevent overflow; when discharging, the shutoff door 6 is opened, and the material can be discharged through the discharge port.

[0049] Specifically, the shut-off door 6 includes a door body 61 and a lock catch 62. The door body 61 is vertically slidably mounted on the mixing box 1. A mounting frame 611 is fixedly arranged on the top of the door body 61. The lock catch 62 is slidably assembled in the mounting frame 611 and connected to the mounting frame 611 through a compression spring 621. A pull rod 622 is connected to the lock catch 62 and extends outward from the mounting frame 611. A handle 6221 is provided at the extending end of the pull rod 622. The upper portion of the mixing box 1 has an extending plate 13 extending upward.

[0050] Under normal conditions, the door body 61 closes the discharge port. When the shut-off door 6 is opened, the door body 61 can be moved up until the lock 62 moves up to the top of the extension plate 13. At this time, the lock 62 pops out of the installation frame 611 under the action of the compression spring 621 and snaps into the upper end position of the extension plate 13. In this way, the extension plate 13 realizes the non-return of the lock 62, preventing the lock 62 and the door body 61 from falling back under the action of gravity, thereby maintaining the open state of the door body 61 and ensuring the continuous discharge of materials. When the discharge is completed and the shut-off door 6 needs to be closed, the pull rod 622 can be pulled by the handle 6221, and the pull rod 622 drives the lock 62 to retract into the installation frame 611. The snapping effect of the lock 62 on the extension plate 13 disappears. Under the action of gravity and manual push, the door body 61 begins to move downward until the door body 61 closes the discharge port again.

[0051] Continue to refer Figure 2 and Figure 5 The spiral blade 4 on the center wheel 21 is set as the center spiral blade 41, and the other spiral blades 4 are set as the sleeve spiral blade 42. The center spiral blade 41 and the sleeve spiral blade 42 far away from the center spiral blade 41 are both provided with a plurality of fitting grooves. The plurality of fitting grooves on the center spiral blade 41 are evenly spaced along the spiral direction of the center spiral blade 41, and the plurality of fitting grooves on the sleeve spiral blade 42 are evenly spaced along the spiral direction of the sleeve spiral blade 42. Both sides of the sleeve spiral blade 42 close to the center spiral blade 41 are provided with a plurality of fitting strips 421, wherein the plurality of fitting strips 421 on one side are fitted into the fitting grooves of the center spiral blade 41, and the plurality of fitting strips 421 on the other side are fitted into the fitting grooves of the sleeve spiral blade 42 far away from the center spiral blade 41.

[0052] The arrangement of the interlocking strips 421 and the interlocking grooves realizes the interlocking effect between the spiral blades 4, and facilitates the combination to form the conveying blade 400. In addition, when the central spiral blade 41 and the two sleeve spiral blades 42 are separated from each other, a plurality of spaced protrusions 411 are formed on the central spiral blade 41 and the sleeve spiral blades 42 away from the central spiral blade 41 due to the opening of the interlocking grooves. These protrusions 411 combined with the exposed interlocking strips 421 can enhance the stirring effect of the materials and improve the uniformity of the mixing of the glutinous rice raw material and the koji powder.

[0053] Continue to refer Figure 2 , Figure 6 and Figure 7After the discharge is completed, sticky rice will inevitably adhere to the surface of the conveying blade 400. In order to achieve the self-cleaning of the conveying blade 400, the first clamping member 71 and the second clamping member 72 for clamping the conveying blade 400 are provided on both sides of the conveying blade 400. The connection end of the first clamping member 71 is rotatably connected to the central shaft 5, and the connection end of the second clamping member 72 is sleeved on the outer peripheral side of the central shaft 5 and rotatably connected to the first clamping member 71. A torsion elastic member (not shown in the figure) is connected between the first clamping member 71 and the second clamping member 72. The torsion elastic member can directly adopt a torsion spring. The torsion spring is used to make the first clamping member 71 and the second clamping member 72 close to each other to clamp the middle conveying blade 400. In the initial state, the first clamping member 71 and the second clamping member 72 are adjacent to the wheel disc 2.

[0054] Continue to refer Figure 1 , Figure 6 , Figure 7 and Figure 8 The mixing box 1 is provided with a locking mechanism, which includes a locking frame 81 and a pushing mechanism 82. The locking frame 81 is assembled on the mixing box 1 in a radially sliding manner along the central axis 5. In this embodiment, the sliding direction of the locking frame 81 is specifically the front-to-back direction. The locking frame 81 and the mixing box 1 are also connected by a return spring 811. The locking frame 81 has a shift rod 812 extending in the left-right direction. The pushing mechanism 82 is installed on the mixing box 1 and is used to push the locking frame 81 to slide.

[0055] During stirring, the central spiral blade 41 and the two sleeve spiral blades 42 separate from each other, and the two sleeve spiral blades 42 push the first clamping member 71 and the second clamping member 72 to separate to both sides. Afterwards, the first clamping member 71 and the second clamping member 72 rotate synchronously with the central spiral blade 41 and the two sleeve spiral blades 42, thereby avoiding interference during stirring.

[0056] When the discharge is finished, the push mechanism 82 can push the locking frame 81 to slide, and the shift rod 812 can move to the rotation path of the first clamping member 71. Then, the central shaft 5 is rotated continuously to rotate the conveying blade 400, and the conveying blade 400 drives the first clamping member 71 and the second clamping member 72 to rotate when rotating. Since the shift rod 812 is on the rotation path of the first clamping member 71, the free end of the first clamping member 71 touches the shift rod 812, and the shift rod 812 blocks the first clamping member 71, thereby preventing the first clamping member 71 from continuing to rotate. As a result, the circumferential positions of the first clamping member 71 and the second clamping member 72 are locked. When the conveying blade 400 continues to rotate, the first clamping member 71 will slide axially along the central axis 5 under the spiral action of the conveying blade 400. During the sliding, the first clamping member 71 and the second clamping member 72 will pass through various parts of the conveying blade 400 in turn, scraping off the glutinous rice on the blade surfaces on both sides of the conveying blade 400, thereby realizing self-cleaning of the conveying blade 400.

[0057] Continue to refer Figure 3 , Figure 6 and Figure 7 During stirring, the first clamping member 71 and the second clamping member 72 will rotate synchronously under the drive of the two sleeved spiral blades 42, but they also have a tendency to slide axially along the central axis 5. In order to lock the first clamping member 71 and the second clamping member 72 in the wheel disc 2 area and ensure the subsequent self-cleaning effect of the spiral blades 4, a ring frame 14 is fixed in the mixing box 1, and the ring frame 14 is coaxially arranged on the outer side of the wheel disc 2. The inner side of the ring frame 14 forms an annular groove 141, and the free ends of the first clamping member 71 and the second clamping member 72 are fixed with a limit rod 711, and the limit rod 711 is fitted in the annular groove 141. In this way, when the first clamping member 71 and the second clamping member 72 rotate synchronously with the sleeve spiral blade 42, the limiting rod 711 slides in the annular groove 141. Through the limiting rod 711, the annular groove 141 realizes the locking of the axial position of the first clamping member 71 and the second clamping member 72, and avoids the axial sliding of the first clamping member 71 and the second clamping member 72 along the central axis 5. In this way, the first clamping member 71 and the second clamping member 72 are restrained in the wheel disc 2 area, which is convenient for the subsequent cleaning of the conveying blade 400. It can be cleaned from the head end to the tail end of the conveying blade 400, thereby ensuring the comprehensiveness and integrity of the cleaning of the conveying blade 400.

[0058] The ring frame 14 is provided with an opening 142 which is connected to the ring groove 141 . The opening 142 is used for the shift rod 812 to enter when the shift rod 812 moves, so that the shift rod 812 can reach the rotation path of the first clamping member 71 to block and hinder the first clamping member 71 .

[0059] There are two locking mechanisms and they are symmetrical about the central axis 5. One of the locking mechanisms is used to block the first clamping member 71 when the conveying blade 400 rotates forward, so that the first clamping member 71 and the second clamping member 72 slide forward, thereby realizing self-cleaning of the conveying blade 400. The other locking mechanism is used to block the second clamping member 72 when the conveying blade 400 rotates backward, so that the second clamping member 72 and the first clamping member 71 slide in the opposite direction, thereby realizing the reset of the second clamping member 72 and the first clamping member 71.

[0060] In this embodiment, the driver 34 can be a hydraulic rod, an electric push rod, a cylinder or a threaded mechanism, etc. Taking the threaded mechanism as an example, it includes a screw 341 and a handle 342. The screw 341 is threaded along the axial direction of the central axis 5 and is arranged on the mixing box 1. One end of the screw 341 is rotatably connected to the set 33, and the other end of the screw 341 is located outside the mixing box 1 and is provided with a handle 342. The screw 341 can be controlled to rotate by rotating the handle 342. Under the action of the thread with the mixing box 1, the screw 341 can make a spiral motion, thereby driving the set 33 to slide.

[0061] In this embodiment, the pushing mechanism 82 can be a hydraulic rod, an electric push rod, a cylinder, etc., and can also include a bolt 821 threadedly inserted into the mixing box 1, one end of the bolt 821 contacts the locking frame 81, and the other end of the bolt 821 forms a head 8211 that is easy to twist by hand. Thus, the locking frame 81 can be pushed to slide by the spiral action of the bolt 821, and when the bolt 821 is reset, the reset spring 811 can drive the locking frame 81 to return to its original position.

[0062] In other embodiments, a locking block mechanism may be provided between adjacent wheel discs 2. When adjacent wheel discs 2 are circumferentially misaligned, the locking block mechanism may be controlled to lock the positions of the two adjacent wheel discs 2. The locking block mechanism may be a combination of a plurality of slots evenly distributed around the circumference and a single spring block. The spring block limits different rotational positions of the wheel disc 2 by engaging in each slot, thereby achieving misalignment and locking of the wheel disc 2. The locking block mechanism is a prior art in the art and will not be described in detail herein.

[0063] refer to Figures 1 to 8 The present invention also provides a stirring and mixing method, using the above stirring and mixing device, comprising the following steps: The separation mechanism 3 controls the plurality of wheel discs 2 to be offset from each other, so that the plurality of spiral blades 4 are separated from each other.

[0064] The central shaft 5 is rotated, and the central shaft 5 drives the plurality of wheel discs 2 to rotate through the separation mechanism 3, and the plurality of spiral blades 4 stir the materials in the mixing box 1 to make them evenly mixed.

[0065] The separation mechanism 3 controls the plurality of disks 2 to return to their original positions, and the plurality of spiral blades 4 are fitted together to form the conveying blade 400 .

[0066] The central shaft 5 is rotated, and the conveying blades 400 rotate accordingly to convey the materials outwards.

[0067] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0068] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0069] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A stirring and mixing device, comprising a mixing box (1) with an open top and an auger arranged transversely in the mixing box (1), characterized in that: The auger comprises: a wheel disc (2), wherein a plurality of the wheel discs (2) are nested in layers, and two adjacent wheel discs (2) are rotatably connected, and the wheel disc (2) at the center is coaxially connected to a central shaft (5), and the central shaft (5) is rotatably assembled in the mixing box (1); each wheel disc (2) is connected to a spiral blade (4) surrounding the central shaft (5), and a plurality of the spiral blades (4) are sequentially embedded from the inside to the outside to form a conveying blade (400), and the diameter of the conveying blade (400) is adapted to the inner cavity (11) of the mixing box (1), so as to convey materials during rotation; A separation mechanism (3) is arranged on the central shaft (5) and is used to control the plurality of wheel discs (2) to be offset from each other in the circumferential direction so as to separate the plurality of spiral blades (4) from each other.

2. The stirring and mixing device according to claim 1, characterized in that: The number of the wheel discs (2) is three, the wheel disc (2) at the center is set as a central wheel disc (21), and the other two wheel discs (2) are set as nested wheel discs (22), and the separation mechanism (3) comprises: A moving member (31), the moving member (31) being slidably assembled on the central shaft (5) along the axial direction of the central shaft (5); A conversion joint (32), wherein the two sleeve wheel discs (22) are each provided with a connecting piece (221) extending radially along the central axis (5), the conversion joint (32) is located between the two connecting pieces (221), and the conversion joint (32) and the two connecting pieces (221) are both hingedly connected via a connecting rod (321); and a driving rod (322) is hingedly connected between the conversion joint (32) and the moving piece (31).

3. The stirring and mixing device according to claim 2, characterized in that: The separation mechanism (3) further comprises: A kit (33), the kit (33) being rotatably connected to the moving member (31), and the rotation centers of the two are concentric with the axis of the central axis (5); A driver (34) is mounted on the mixing box (1) and is used to drive the kit (33) to slide axially along the central axis (5).

4. The stirring and mixing device according to claim 2, characterized in that: The spiral blade (4) on the central wheel (21) is set as a central spiral blade (41), and the remaining spiral blades (4) are set as sleeve spiral blades (42). The central spiral blade (41) and the sleeve spiral blade (42) away from the central spiral blade (41) are both provided with a plurality of engaging grooves, and the plurality of engaging grooves are distributed at intervals along the spiral direction of the central spiral blade (41) or the sleeve spiral blade (42); a plurality of engaging strips (421) are provided on both sides of the sleeve spiral blade (42) close to the central spiral blade (41), and the plurality of engaging strips (421) on one side are engaged in the engaging groove of the central spiral blade (41), and the plurality of engaging strips (421) on the other side are engaged in the engaging groove of the sleeve spiral blade (42) away from the central spiral blade (41).

5. The stirring and mixing device according to claim 1, characterized in that: A first clamping member (71) and a second clamping member (72) for clamping the conveying blade (400) are provided on both sides thereof, one end of the first clamping member (71) being rotatably connected to the central shaft (5), one end of the second clamping member (72) being sleeved on the outside of the central shaft (5) and rotatably connected to the first clamping member (71), a torsion elastic member being connected between the first clamping member (71) and the second clamping member (72), the torsion elastic member being used to bring the first clamping member (71) and the second clamping member (72) closer to each other so as to clamp the conveying blade (400) in the middle; The mixing box (1) is provided with a locking mechanism, which is used to block the first clamping member (71) or the second clamping member (72) when the conveying blade (400) drives the first clamping member (71) and the second clamping member (72) to rotate, so that the circumferential positions of the first clamping member (71) and the second clamping member (72) are locked.

6. The stirring and mixing device according to claim 5, characterized in that: The locking mechanism comprises a locking frame (81) and a pushing mechanism (82); the locking frame (81) is elastically slidably connected to the mixing box (1) along the radial direction of the central axis (5); the locking frame (81) has a shift rod (812); when the locking frame (81) slides, the shift rod (812) can be located on the rotation path of the first clamping member (71) or the second clamping member (72) to block the first clamping member (71) or the second clamping member (72); the pushing mechanism (82) is mounted on the mixing box (1) and is used to push the locking frame (81) to slide.

7. The stirring and mixing device according to claim 6, characterized in that: In an initial state, the first clamping member (71) and the second clamping member (72) are adjacent to the wheel disc (2); a ring frame (14) is provided in the mixing box (1) and is coaxially arranged on the outer side of the wheel disc (2); the inner side of the ring frame (14) forms an annular groove (141); free ends of the first clamping member (71) and the second clamping member (72) are both fixedly provided with limiting rods (711); the limiting rods (711) are fitted in the annular groove (141); the annular frame (14) is provided with an opening (142) which is in communication with the annular groove (141); the opening (142) is used for the shift rod portion (812) to enter.

8. The stirring and mixing device according to claim 5, characterized in that: There are two locking mechanisms and they are symmetrical about the central axis (5).

9. The stirring and mixing device according to claim 1, characterized in that: The mixing box (1) is provided with a discharge port at the end away from the wheel disc (2), and a shutoff door (6) for controlling the opening and closing of the discharge port is installed at the discharge port.

10. A stirring and mixing method, characterized in that: The stirring and mixing device according to claim 1 comprises the following steps: The separation mechanism (3) controls the plurality of wheel discs (2) to be mutually displaced, and the plurality of spiral blades (4) to be mutually separated; The central shaft (5) is rotated, and the central shaft (5) drives the plurality of wheel discs (2) to rotate through the separation mechanism (3), and the plurality of spiral blades (4) stir the materials in the mixing box (1) to make them evenly mixed; The separation mechanism (3) controls the plurality of wheel discs (2) to return to their original positions, and the plurality of spiral blades (4) are engaged to form a conveying blade (400); The central shaft (5) is rotated, and the conveying blades (400) rotate accordingly to convey the material outwards.

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