Rice noodle machine variable-pitch auger structure with wet milk backflow function

Abstract

The utility model relates to a rice noodle machine variable-pitch auger structure with a wet milk backflow function in the technical field of rice noodle machine augers, which comprises a twisting rod, a micro-pitch twisting pattern and a variable-pitch twisting pattern, the structure arrangement of the micro-pitch twisting pattern is adopted, uniform-speed stirring is carried out in the state of pitch micro-pitch, so that rice milk is fully stirred, and the variable-pitch twisting pattern is added, so that the stirring speed of the rice milk is increased. After the rice milk is stirred at a constant speed, the pressure bearing performance of the rice milk is increased through instantaneous pressure formed by distance reduction, so that particles in the rice milk are further reduced, the structure of stirring at a constant speed and then stirring at a variable distance is adopted, the mode of stirring at a constant pressure and then stirring at a pressurized pressure is essentially formed, and the rice milk is discharged through a porous opening in the top of the discharging groove. By means of multiple times of stirring formed by backflow, the rice milk is finer, smoother and softer, the product quality is improved, meanwhile, the step of pouring the rice milk into the stirring device again is omitted, and the effect of improving the working efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rice line machine screw propeller technology field especially provide a rice line machine variable pitch screw propeller structure with backflow wet pulp function. BACKGROUND

[0002] Rice line machine is a kind of mechanical equipment specially used for producing rice line.It processes rice or other grain raw materials into wet powder, and then makes it into rice line products of different shapes and specifications through processes.Rice line machine is widely used in food processing industry.Rice line machine variable pitch screw propeller is a special spiral conveying device, installed inside rice line machine, used to convey wet rice powder raw materials from one process to the next process.Different from traditional equidistant screw propeller, the pitch of variable pitch screw propeller, i.e.the distance between spirals, is not fixed, but gradually changes according to needs.

[0003] The existing can refer to the announcement No.CN218114004U of Chinese patent, it discloses a variable diameter variable pitch spiral screw propeller, including the front end of the rotating shaft, the rotating shaft includes cylindrical, the tail of the rotating shaft is conical, the sidewall of the rotating shaft is provided with spiral blade, the wall of the spiral blade is provided with anti-skid convex point, the scraper that protrudes at the edge of spiral blade is arranged between two spiral blades, the top of the scraper is provided with rubber layer, the solid-liquid mixture accumulated at the bottom of shell can be scraped up to continue to move backward, improve the pressing effect, at the same time, reduce the friction between spiral blade and shell, reduce the generation of noise, improve the use effect.

[0004] The existing can refer to the announcement No.CN218640383U of Chinese patent, it discloses a single spiral press with variable diameter variable pitch screw propeller, including support frame, the upper part of the support frame is provided with pressing device, the pressing device includes transversely arranged rotating shaft, the outer wall of the rotating shaft is provided with spiral blade, the outer side of the spiral blade is provided with shell, the bottom of the shell is provided with filter hole, the front end of the rotating shaft is connected with driving device, the lower part of the shell is provided with collection shell, the tail of the shell and the rotating shaft are provided with plug, the plug is connected with rotating shaft through adjusting device, by adjusting the pressure between plug and shell, the pressure degree of the material to be pressed in the shell is adjusted, suitable for a variety of materials, simple to use, easy to adjust, improve production efficiency.

[0005] The auger structure of the above-mentioned patent has the effect of variable pitch stirring, but it does not have the function of assisting the backflow stirring of the rice slurry. When the pressure change of the variable pitch auger cannot support the sufficient stirring of the rice slurry, the particles in the rice slurry may not be fully stirred, resulting in rice slurry with particles. When the rice slurry is formed into rice noodles, the particles increase the probability of breaking the rice noodles. Due to the insufficient mixing of the rice slurry, the possibility of uneven stress fracture or internal particle unmaturation after forming is greatly increased, so manual detection is required. Then the rice slurry with particles is poured into the auger again for secondary stirring, which increases the process and reduces the work efficiency. When in use, the structure needs to be further processed and improved. To solve the above technical problems, the present application provides a rice noodle machine variable pitch auger structure with backflow wet slurry function. Utility model content

[0006] The utility model overcomes the above-mentioned situation shortage, aims at providing a kind of technical scheme that can solve the above-mentioned problem.

[0007] A kind of rice noodle machine variable pitch auger structure with backflow wet slurry function, including auger, micro pitch auger and variable pitch auger, the micro pitch auger and variable pitch auger are all installed on the surface of auger, and it is external thread structure, one end of auger is installation platform, the surface of installation platform is installed with distribution disc, the inside of auger is respectively equipped with pressure relief chamber and pressure maintaining chamber, the inside of installation platform is installation slot and feeding chamber, installation slot is through with feeding chamber, feeding chamber is through with pressure relief chamber, pressure relief chamber and pressure maintaining chamber are equipped with baffle, the middle part of baffle is equipped with flow channel, flow channel is used to make pressure relief chamber and pressure maintaining chamber through, the inside of pressure maintaining chamber is equipped with discharge slot, the top of discharge slot is equipped with one hole opening, hole opening is through with discharge slot, and it is through the surface of auger;

[0008] The structure of micro pitch auger is arranged, so that uniform stirring is carried out under the condition of pitch micro distance, so that the rice slurry is fully stirred, and by increasing the variable pitch auger, the rice slurry is uniformly stirred, and the instantaneous pressure formed by the reduction of pitch increases the pressure resistance of the rice slurry, so as to further reduce the particles in the rice slurry. The structure of uniform stirring and then variable pitch stirring essentially constitutes an isobaric stirring and then pressurized stirring mode;

[0009] And the discharged rice slurry enters the pressure relief chamber and the pressure maintaining chamber in turn through the feeding chamber, plays a role of slowing down the fluidity of the rice slurry in the pressure relief chamber, and has a buffering effect. Under the push of pressure, the rice slurry enters the pressure maintaining chamber through the flow channel, and then enters the discharge slot inside the pressure maintaining chamber, is discharged through the hole opening on the top of the discharge slot, so as to re-enter the stirring range of the micro pitch auger and the variable pitch auger, complete the backflow effect. The multiple stirring formed by backflow makes the rice slurry more delicate and soft, improves the product quality, reduces the step of pouring the rice slurry into the stirring again, and plays a role of improving the work efficiency.

[0010] Further, the feeding cavity, the decompression cavity, the flow channel, the pressure maintaining cavity, the discharge slot and the hole-shaped opening provided on the top of the slot constitute a backflow structure for assisting the backflow of the wet pulp; the use of this structure optimizes the flow of the wet pulp, and through the provision of the backflow structure, the flow of the wet pulp between the various cavities is ensured to be more stable, reducing turbulence and pressure fluctuations, thereby improving the stability of the entire system, helping the wet pulp to be more evenly distributed in the entire system, avoiding the problem of excessively high or low local concentration, while shortening the processing time of each batch and improving the production efficiency; in addition, through the effective backflow mechanism, the wet pulp can be maximally utilized, reducing the loss and waste of rice pulp.

[0011] Further, the surface of the distribution disc is provided with discharge slots, the discharge slots are recessed structures and are arranged in a ring shape on the surface of the distribution disc, the distance between adjacent two discharge slots is equidistant, the surface of the distribution disc is provided with feeding holes for assisting the backflow of the wet pulp, the feeding holes are in communication with the feeding cavity, when the rice pulp passes through the area between the variable pitch twisted threads and the distribution disc, the circular distribution disc is avoided to hinder the movement of the rice pulp, the discharge slots are opened on the surface of the distribution disc, which guides the discharge of the rice pulp, thereby reducing the pressure and avoiding the splashing of the rice pulp impacting the distribution disc and the damage caused to the distribution disc, the feeding holes assist the backflow of the rice pulp, and the rice pulp enters the inside of the decompression cavity and the pressure maintaining cavity through the feeding holes, preparing for the backflow of the wet pulp.

[0012] Further, the surface of the distribution disc is provided with connecting holes for assisting the installation of the distribution disc and the twisted rod, the surface of the connecting holes is provided with connecting blocks, the connecting blocks and the distribution disc are detachable structures, the distribution disc and the twisted rod are detachable structures, and the connecting blocks and the connecting holes are provided with support rings;

[0013] The detachable structure makes the installation and disassembly between the distribution disc and the twisted rod more convenient, reduces the maintenance and replacement time, and the combination design of the distribution disc, the connecting block and the support ring allows flexible adjustment and configuration according to different application scenarios, improves the adaptability and multifunctionality of the equipment, in addition, the existence of the support ring enhances the contact area between the connecting hole and the connecting block, provides additional support force, ensures the stability of the connection, disperses the force applied on the connecting hole, avoids damage caused by excessive local force, and prolongs the service life of the parts.

[0014] Further, the distance between the pitches is gradually reduced in a spiral descending manner between the micro-pitch and variable-pitch threads; the spiral descending design makes the transition of the rice slurry from the micro-pitch thread to the variable-pitch thread more stable, reducing the impact and uneven distribution of the rice slurry during stirring, thereby better controlling the flow speed and direction of the rice slurry and ensuring uniform dispersion during the entire stirring process, improving processing efficiency. In addition, the spiral descending design helps the rice slurry to mix more fully between different pitches, and for sticky rice slurry of different stirring degrees or wet slurry that needs to be uniformly stirred and mixed, the processing effect is improved, and by gradually reducing the pitch, the rice slurry is more easily pushed to the end, reducing the possibility of residue on the surface of the thread or in the cavity, and reducing the difficulty of cleaning.

[0015] Further, one end of the thread is connected with a rotating rod for assisting the rotation of the thread, one end of the rotating rod is in abutment with the thread through a rotating shaft, a support table is installed between the thread and the rotating shaft, a support plate is arranged in the middle of the support table, the rotating rod, the rotating shaft, the support table and the support plate are coaxially arranged with the thread; coaxial arrangement ensures that the center lines of the components remain consistent during rotation, reducing vibration and unstable movement caused by eccentricity, making force transmission more uniform, avoiding damage caused by excessive local stress, and enhancing overall mechanical performance. The support table and the support plate provide support points to enhance the connection stability of the thread and the rotating rod, reducing shaking during operation.

[0016] Further, a chassis for connecting an external drive wheel is installed at one end of the rotating rod, the chassis is coaxially arranged with the rotating rod, and coaxial arrangement between the chassis and the rotating rod improves transmission efficiency, mechanical stability and performance; when the external drive wheel rotates, the instantaneous force generated is offset by the chassis, so that the force generated when the chassis rotates is less than the force of the drive wheel, and the reduced force drives the rotating rod to rotate, reducing wear and failure risk and reducing maintenance costs during long-term operation.

[0017] Further, stirring blocks for increasing the contact area are installed on the surface of the distribution disc, the stirring blocks are symmetrically installed on the surface of the distribution disc, and the stirring blocks are in a rectangular protruding structure; the rectangular protruding structure increases the contact area between the stirring blocks and the rice slurry, making the distribution of the rice slurry more uniform during stirring, improving the mixing effect, and the symmetrically installed stirring blocks can generate shear force during rotation, helping to break up the agglomerated rice slurry and ensuring more thorough mixing. The rectangular protruding structure effectively guides the material flow path, avoiding the accumulation of powders in the rice slurry, and promoting uniform dispersion of the rice slurry.

[0018] Compared with the prior art, the rice noodle machine variable pitch auger structure with backflow wet pulp function has the beneficial effects that: the uniform speed stirring is carried out in the state of the micro-pitch, so that the rice pulp is fully stirred; the variable pitch is increased, the instantaneous pressure formed by the reduced pitch after the uniform speed stirring is carried out is used to increase the pressure resistance of the rice pulp, so that the particles in the rice pulp are further reduced; the structure of the uniform speed stirring and then the variable speed stirring essentially constitutes an isobaric stirring and then a pressurized stirring mode;

[0019] In addition, the rice pulp enters the decompression chamber and the pressure maintaining chamber in sequence through the feeding chamber, plays a role of slowing down the flowability of the rice pulp in the decompression chamber, and has a buffering effect; under the pushing of the pressure, the rice pulp enters the pressure maintaining chamber through the flow channel, and then enters the discharge slot in the pressure maintaining chamber, is discharged through a hole-shaped opening at the top of the discharge slot, and then enters the stirring range of the micro-pitch and the variable pitch again, so as to complete the backflow effect; the multiple stirring constituted by the backflow makes the rice pulp more delicate and soft, improves the product quality, reduces the step of pouring the rice pulp into the stirring device again, and improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0021] Figure 2 It is a sectional view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0022] Figure 3 It is a perspective view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0023] Figure 4 It is another perspective view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0024] Figure 5 It is still another perspective view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0025] Figure 6 It is a perspective view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0026] Figure 7 It is a size arrangement view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0027] Figure 8 It is another size arrangement view of a rice noodle machine variable pitch auger structure with backflow wet pulp function.

[0028] In the figure: winding rod-1, micro distance winding-2, variable distance winding-3, mounting table-4, distribution disc-5, pressure reducing cavity-6, pressure maintaining cavity-7, mounting groove-8, feeding cavity-9, partition-10, flow channel-11, discharge groove-12, discharge groove-13, feeding hole-14, connecting hole-15, connecting block-16, rotating rod-17, rotating shaft-18, support table-19, support plate-20, bottom plate-21, support ring-22, stirring block-23. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0030] In this embodiment, please refer to Figures 1-8 , a variable distance winding structure with backflow wet pulp function of a rice noodle machine, comprising a winding rod 1, a micro distance winding 2 and a variable distance winding 3, the micro distance winding 2 and the variable distance winding 3 are installed on the surface of the winding rod 1 and are in external thread structure, one end of the winding rod 1 is a mounting table 4, the surface of the mounting table 4 is installed with a distribution disc 5, the inside of the winding rod 1 is respectively provided with a pressure reducing cavity 6 and a pressure maintaining cavity 7, the inside of the mounting table 4 is a mounting groove 8 and a feeding cavity 9, the mounting groove 8 and the feeding cavity 9 are through, the feeding cavity 9 and the pressure reducing cavity 6 are through, the pressure reducing cavity 6 and the pressure maintaining cavity 7 are provided with a partition 10, the middle part of the partition 10 is provided with a flow channel 11, the flow channel 11 is used for making the pressure reducing cavity 6 and the pressure maintaining cavity 7 through, the inside of the pressure maintaining cavity 7 is provided with a discharge groove 12, the top of the discharge groove 12 is provided with a hole-shaped opening, the hole-shaped opening and the discharge groove 12 are through and penetrate the surface of the winding rod 1.

[0031] The structure of the micro distance winding 2 is adopted, so that the screw pitch is uniformly stirred in the state of micro distance adjustment, so that the rice pulp is fully stirred, and by increasing the variable distance winding 3, the rice pulp is uniformly stirred, and the instantaneous pressure formed by the reduced distance increases the pressure resistance of the rice pulp, so that the particles in the rice pulp are further reduced, and the structure of uniform stirring and then variable distance stirring essentially constitutes an isobaric stirring and then pressurized stirring mode.

[0032] And the discharged rice pulp enters the pressure reducing cavity 6 and the pressure maintaining cavity 7 in turn through the feeding cavity 9, plays a role in slowing down the flowability of the rice pulp in the pressure reducing cavity 6, and has a buffering effect, under the push of pressure, the rice pulp enters the pressure maintaining cavity 7 through the flow channel 11, and then enters the discharge groove 12 in the pressure maintaining cavity 7, is discharged through the hole-shaped opening at the top of the discharge groove 12, so as to re-enter the stirring range of the micro distance winding 2 and the variable distance winding 3, complete the backflow effect, the multiple stirring formed by backflow makes the rice pulp more delicate and soft, improves the product quality, at the same time, reduces the step of pouring the rice pulp into the stirring again, plays a role in improving the work efficiency.

[0033] The feeding cavity 9, the decompression cavity 6, the flow channel 11, the pressure maintaining cavity 7, the discharge slot 12 and the hole-shaped opening on the top of the slot 12 constitute a backflow structure for assisting the backflow of the wet pulp; the structure optimizes the flow of the wet pulp, ensures the smooth flow of the wet pulp between the chambers, reduces turbulence and pressure fluctuation, improves the stability of the entire system, helps the wet pulp to be more evenly distributed in the entire system, avoids the problem of local over-concentration or under-concentration, shortens the processing time of each batch, and improves the production efficiency; in addition, through the effective backflow mechanism, the wet pulp can be maximally utilized, and the loss and waste of rice pulp are reduced.

[0034] The surface of the distribution disc 5 is provided with discharge slots 13, which are arranged in a ring shape on the surface of the distribution disc 5 and have an inner recess structure, and the distance between adjacent two discharge slots 13 is equally set. The surface of the distribution disc 5 is provided with feeding holes 14 for assisting the backflow of the wet pulp, and the feeding holes 14 are communicated with the feeding cavity 9. When the rice pulp passes through the area between the variable pitch thread 3 and the distribution disc 5, the circular distribution disc 5 avoids hindering the movement of the rice pulp. The discharge slots 13 are arranged on the surface of the distribution disc 5 to guide the discharge of the rice pulp, thereby reducing the pressure and avoiding the splashing of the rice pulp and the damage to the distribution disc 5 caused by the impact of the rice pulp. The feeding holes 14 assist the backflow of the rice pulp, and the rice pulp enters the interior of the decompression cavity 6 and the pressure maintaining cavity 7 through the feeding holes 14 to prepare for the backflow of the wet pulp.

[0035] The surface of the distribution disc 5 is provided with connecting holes 15 for assisting the installation of the distribution disc 5 and the thread rod 1, and the surface of the connecting holes 15 is provided with connecting blocks 16. The connecting blocks 16 and the distribution disc 5 are detachable, the distribution disc 5 and the thread rod 1 are detachable, and the connecting blocks 16 and the connecting holes 15 are provided with support rings 22.

[0036] The detachable structure makes the installation and disassembly between the distribution disc 5 and the thread rod 1 more convenient, reduces the maintenance and replacement time, and the combination of the distribution disc 5, the connecting block 16 and the support ring 22 allows flexible adjustment according to different application scenarios, improves the adaptability and multifunctionality of the equipment. In addition, the existence of the support ring 22 enhances the contact area between the connecting hole 15 and the connecting block 16, provides additional support force, ensures the stability of the connection, disperses the force applied on the connecting hole 15, avoids damage caused by local excessive force, and prolongs the service life of the parts.

[0037] The pitch distance between the micro-pitch thread 2 and the variable-pitch thread 3 gradually decreases in a spiral manner; the spiral design makes the transition of the rice slurry from the micro-pitch thread 2 to the variable-pitch thread 3 more stable, reducing the impact and uneven distribution of the rice slurry during stirring, thereby better controlling the flow speed and direction of the rice slurry and ensuring uniform dispersion during the entire stirring process, improving processing efficiency. In addition, the spiral design helps the rice slurry to mix more fully between different pitches, and for sticky rice slurry of different stirring degrees or wet slurry that needs to be uniformly stirred and mixed, the processing effect is improved, and by gradually reducing the pitch, the rice slurry is more easily pushed to the end, reducing the possibility of residue on the surface or in the cavity of the thread 1, and reducing the difficulty of cleaning.

[0038] One end of the thread 1 is connected to a rotating rod 17 for assisting the rotation of the thread 1, one end of the rotating rod 17 is in abutment with the thread 1 through a rotating shaft 18, a support table 19 is installed between the thread 1 and the rotating shaft 18, a support plate 20 is provided in the middle of the support table 19, the rotating rod 17, the rotating shaft 18, the support table 19 and the support plate 20 are coaxially arranged with the thread 1; coaxial arrangement ensures that the center lines of the components remain consistent during rotation, reducing vibration and unstable movement caused by eccentricity, making force transmission more uniform, avoiding damage caused by excessive local stress, and enhancing overall mechanical performance. The support table 19 and the support plate 20 provide support points, enhancing the connection stability of the thread 1 and the rotating rod 17, and reducing shaking during operation.

[0039] One end of the rotating rod 17 is provided with a chassis 21 for connecting an external drive wheel, the chassis 21 and the rotating rod 17 are coaxially arranged, and the coaxial arrangement between the chassis 21 and the rotating rod 17 improves transmission efficiency, mechanical stability and performance. When the external drive wheel rotates, the instantaneous force generated is offset by the chassis 21, so that the force generated when the chassis 21 rotates is less than the force of the drive wheel, and the reduced force drives the rotating rod 17 to rotate, reducing wear and tear and the risk of failure, and reducing maintenance costs during long-term operation.

[0040] The surface of the distribution disc 5 is provided with stirring blocks 23 for increasing the contact area, the stirring blocks 23 are symmetrically arranged on the surface of the distribution disc 5, and the stirring blocks 23 are in the form of rectangular protrusions; the rectangular protrusions increase the contact area between the stirring blocks 23 and the rice slurry, making the distribution of the rice slurry more uniform during stirring, improving the mixing effect, and the symmetrically arranged stirring blocks 23 can generate shear force during rotation, helping to break up the agglomerated rice slurry and ensuring more thorough mixing. The rectangular protrusions effectively guide the material flow path, avoiding the accumulation of powder in the rice slurry, and promoting uniform dispersion of the rice slurry.

[0041] The design points of the utility model lie in: the structure of the micro-pitch thread 2 is adopted, so that the uniform speed stirring is carried out under the state of the micro-pitch, so that the rice milk is fully stirred, and through the increase of the variable-pitch thread 3, the rice milk is subjected to the uniform speed stirring, then through the instantaneous pressure formed by the reduction of the interval, the pressure resistance of the rice milk is increased, so that the particles in the rice milk are further reduced, the structure of the uniform speed stirring and then the variable-pitch stirring is adopted, and essentially, the equal-pressure stirring and then the pressurized stirring mode are constituted;

[0042] The rice milk enters the decompression cavity 6 and the pressure maintaining cavity 7 in sequence through the feeding cavity 9, plays the role of reducing the flowability of the rice milk in the decompression cavity 6, plays the buffering effect, under the pushing of the pressure, enters the pressure maintaining cavity 7 through the flow channel 11, then enters the discharging groove 12 in the pressure maintaining cavity 7, is discharged through the hole-shaped opening at the top of the discharging groove 12, so as to re-enter the stirring range of the micro-pitch thread 2 and the variable-pitch thread 3, complete the effect of backflow, the multiple stirring constituted by the backflow is adopted, so that the rice milk is more delicate and soft, the product quality is improved, the step of re-stirring the rice milk is reduced, and the effect of improving the work efficiency is achieved.

[0043] The above content is the further detailed description of the utility model in combination with the specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For the ordinary skilled person in the technical field to which the utility model belongs, on the premise of not departing from the concept of the utility model, a plurality of simple deductions or substitutions can be made, and all should be regarded as the protection range of the utility model.

Claims

1. A variable pitch auger structure of a rice noodle machine with backflow wet pulp function, comprising an auger, a micro pitch auger and a variable pitch auger, characterized in that: The micro-distance thread and the variable-distance thread are installed on the surface of the twisting rod and are external thread structures, one end of the twisting rod is a mounting table, the surface of the mounting table is provided with a distribution disc, the inside of the twisting rod is respectively provided with a pressure reducing cavity and a pressure maintaining cavity, the inside of the mounting table is a mounting groove and a feeding cavity, the mounting groove is communicated with the feeding cavity, the feeding cavity is communicated with the pressure reducing cavity, a partition plate is arranged between the pressure reducing cavity and the pressure maintaining cavity, a flow channel is arranged in the middle of the partition plate, the flow channel is used for communicating the pressure reducing cavity and the pressure maintaining cavity, a discharging groove is arranged in the inside of the pressure maintaining cavity, a hole-shaped opening is arranged on the top of the discharging groove, the hole-shaped opening is communicated with the discharging groove and penetrates the surface of the twisting rod.

2. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to claim 1, characterized in that: The feeding cavity, the pressure reducing cavity, the flow channel, the pressure maintaining cavity, the discharging groove and the hole-shaped opening arranged on the top of the discharging groove constitute a backflow structure for assisting the backflow of the wet pulp.

3. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to claim 1, characterized in that: The surface of the distribution disc is provided with a discharging groove, the discharging groove is an inwardly recessed structure and is annularly arranged on the surface of the distribution disc, the distance between adjacent two discharging grooves is equidistantly arranged, the surface of the distribution disc is provided with a feeding hole for assisting the backflow of the wet pulp, and the feeding hole is communicated with the feeding cavity.

4. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to any one of claims 1-3, characterized in that: The surface of the distribution disc is provided with a connecting hole for assisting the installation of the distribution disc and the twisting rod, the surface of the connecting hole is provided with a connecting block, the connecting block and the distribution disc are detachable structures, the distribution disc and the twisting rod are detachable structures, and a supporting ring is arranged between the connecting block and the connecting hole.

5. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to any one of claims 1-3, characterized in that: The distance between the micro-distance thread and the variable-distance thread gradually decreases in a spiral descending manner.

6. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to any one of claims 1-3, characterized in that: One end of the twisting rod is connected with a rotating rod for assisting the rotation of the twisting rod, one end of the rotating rod is abutted with the twisting rod through a rotating shaft, a supporting table is arranged between the twisting rod and the rotating shaft, a supporting plate is arranged in the middle of the supporting table, and the rotating rod, the rotating shaft, the supporting table and the supporting plate are coaxially arranged with the twisting rod.

7. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to claim 6, characterized in that: One end of the rotating rod is provided with a bottom plate for connecting an external driving wheel, and the bottom plate is coaxially arranged with the rotating rod.

8. The variable pitch auger structure of the rice noodle machine with backflow wet pulp function according to any one of claims 1-3, characterized in that: The surface of the distribution disc is provided with a stirring block for increasing the contact area, the stirring block is symmetrically arranged on the surface of the distribution disc, and the stirring block is a rectangular protruding structure.

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