A conveying type grinding device and grinding method for drawing protein soybean raw material

Abstract

The invention discloses a conveying type grinding device and a grinding method for a drawn protein soybean raw material, and relates to the technical field of soybean processing. The grinding device comprises a support frame, a grinding box, a grinding block, a rotating assembly, a limiting assembly, an extension tube and a lifting cylinder. A feeding pipe is provided on the support frame, a material drop opening is provided at the bottom of the grinding box, the rotating assembly comprises a driving motor, a rotating shaft at the bottom of the driving motor passes through the top of the support frame and is provided with a pulley, the horizontal height of the grinding block is adjusted by the lifting assembly, the gap between the grinding block and the grinding chamber is adjusted, the coarseness of the grinding of the soybean raw material is controlled, the limiting ring plate makes the soybeans gather in the gap between the limiting ring plate and the grinding box, and avoids large-area uneven accumulation of soybeans on the grinding block. At the same time, the soybeans in the gap between the limiting ring plate and the grinding box are more evenly filled into multiple positions of the gap as the grinding block rotates, thereby improving the grinding efficiency of the soybean raw material.

Description

Technical Field

[0001] The invention relates to the technical field of soybean processing, and in particular to a conveying type grinding device and a grinding method for a fibrous protein soybean raw material. Background Art

[0002] Soybean textured protein is made from high-quality soybeans and is processed through a special process to form a protein product with the structure, appearance and taste of meat. Soybean textured protein is the best substitute for meat products. Soybean textured protein is widely used in meat products, fillings, snack foods and other fields. The production of soy textured protein requires grinding of soybean raw materials. The degree of grinding of soybean raw materials directly affects the quality of protein extraction from soybeans.

[0003] The Chinese patent application number 201520918137.5 discloses a fully automatic crushing device for producing raw materials of soybean fibrous protein, including a raw material hopper, a raw material discharge port is arranged at the bottom of the raw material hopper, the raw material discharge port is connected to the feed port of the elevator conveying dragon, a mixer feed port is arranged at the top of the mixer, a mixer discharge port is arranged at the bottom, and the mixer is connected to the hopper and the elevator through the mixer discharge port, a spiral stirring shaft is arranged inside the mixer, the spiral stirring shaft is connected to the motor, a grinder driven by the motor is installed on the upper part of the mixer, and a feed port is arranged on the top of the grinder. When the soybean raw material is ground and crushed, the grinder cannot adjust the grinding coarseness of the soybean raw material, and the soybean raw material is difficult to be evenly distributed in the grinder, resulting in poor utilization of the grinder, the grinding efficiency of the soybean raw material cannot be improved, and the shape of the soybean raw material tends to be round. When the grinder grinds the soybean, the extrusion force during the operation of the grinder cannot act on the soybean efficiently, so the grinding efficiency of the soybean is low.

[0004] In addition, during the process of grinding soybeans in the grinder, the soybeans will adhere to the inside of the grinder to form residues. If the residues are not removed in time, they will deteriorate in the grinder, which will have a serious impact on the quality of the subsequent ground soybean powder. Moreover, the soybean raw materials need to be filtered after grinding. During the filtering process, the soybean powder gradually gathers in the filter holes and forms blockages, resulting in lower and lower efficiency of the soybean powder falling, affecting the outward discharge of the soybean powder, which is not conducive to the efficient grinding and production of soybean raw materials.

[0005] Therefore, a conveying type grinding device and a grinding method for fibrous protein soybean raw material are proposed to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to disclose a conveying type grinding device and a grinding method for drawing protein soybean raw materials, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a conveying type grinding device for drawing protein soybean raw materials, including a support frame, a grinding box, a grinding block, a rotating assembly, a limiting assembly, an extension tube and a lifting cylinder;

[0008] The support frame is provided with a feed pipe, and the bottom of the grinding box is provided with a feed opening;

[0009] The rotating assembly includes a driving motor, a rotating shaft at the bottom of the driving motor passes through the top of the support frame and is provided with a pulley, a synchronous wheel is rotatably connected to the bottom of the support frame, a synchronous belt is sleeved on the outer walls of the pulley and the synchronous wheel, a connecting shaft is provided at the bottom of the synchronous wheel, and the bottom of the connecting shaft is fixedly connected to the middle of the grinding block;

[0010] A lifting assembly is provided on the top of the connecting shaft;

[0011] The limiting assembly comprises a limiting ring plate, and an extrusion assembly is arranged above the limiting ring plate;

[0012] An elastic member is provided at the bottom of the limiting ring plate, and a pressing plate is provided at the bottom of the elastic member;

[0013] A filter layer is arranged inside the drop port, the telescopic end at the top of the lifting cylinder penetrates the bottom of the extension tube and is provided with a piston head, and a discharge joint is arranged on one side of the extension tube.

[0014] Optionally, a mounting hole is provided on the top of the support frame, and the feed pipe is fixedly mounted on the top of the support frame through the mounting hole;

[0015] The bottom of the feed pipe corresponds to one side of the top of the grinding chamber, the extension tube is correspondingly connected to the drop opening, and the lifting cylinder is located directly below the extension tube;

[0016] The bottom of the support frame is provided with a support leg, and the top of the support leg is fixedly connected to the grinding box;

[0017] The driving motor is fixedly connected to the top of the supporting frame.

[0018] Optionally, a grinding chamber is provided inside the grinding box, the grinding block is located in the middle of the grinding chamber, a gap is formed between the grinding chamber and the grinding block, the gap decreases linearly from top to bottom, and the bottom of the limiting ring plate corresponds to the gap.

[0019] Optionally, a slot is provided at the top of the connecting shaft, the slot divides the connecting shaft into an upper connecting section and a lower connecting section, the lifting assembly is installed inside the slot, the lifting assembly is a hydraulic cylinder, the telescopic end at the bottom of the hydraulic cylinder is fixedly connected to the top of the lower connecting section, and the fixed end at the top of the hydraulic cylinder is fixedly connected to the bottom of the upper connecting section;

[0020] The upper connecting section is provided with a U-shaped reinforcing rib, and a limiting groove is provided at the bottom of the lower connecting section. The bottom end of the U-shaped reinforcing rib is located inside the limiting groove, and an electromagnetic latch is provided at the bottom end of the U-shaped reinforcing rib. The U-shaped reinforcing rib is locked at different horizontal positions of the limiting groove by the electromagnetic latch.

[0021] Optionally, the extrusion assembly is used to control the horizontal height of the limiting ring plate, and the extrusion assembly includes a support plate and a lifting cylinder. The top of the support plate is fixedly connected to the bottom of the support frame, the fixed end of the lifting cylinder is fixedly connected to the support plate, and the telescopic end of the lifting cylinder is fixedly connected to the top of the limiting ring plate.

[0022] The bottom of the elastic member is provided with an extrusion block, the elastic member is connected with a pressing plate through the extrusion block, and the pressing plate is located at the inner side of the bottom of the extrusion block.

[0023] Optionally, the elastic member comprises an elastic bag, and a spring is arranged inside the elastic bag.

[0024] Optionally, the top of the piston head is inclined, the lowest point of the piston head inclined surface corresponds to the discharge joint, and a sealing gasket is provided on the outer side of the piston head.

[0025] Optionally, a bearing is provided between the synchronous wheel and the support frame, the outer ring of the bearing is fixedly connected to the top of the synchronous wheel, the inner ring of the bearing is fixedly connected to a fixing column, and the top of the fixing column is fixedly connected to the bottom of the support frame.

[0026] A grinding method of a fibrous protein soybean raw material conveying type grinding device, comprising the following steps:

[0027] S1, the pre-treated soybean raw material is introduced into the grinding chamber through the feeding pipe, and the soybean is limited by the limiting ring plate and the grinding chamber. As the grinding block rotates, the soybean is evenly fed downward through the grinding chamber;

[0028] S2, driving the limiting ring plate to move up and down by the extrusion assembly, so that the bottom of the limiting ring plate presses the soybeans in the grinding chamber downward;

[0029] S3, the gap between the grinding block and the inner wall of the grinding chamber gradually decreases from top to bottom, and during the rotation of the grinding block, the soybeans are ground and fall into the filter layer, and after being filtered by the filter layer, they are discharged outward through the extension tube and the discharge joint;

[0030] S4. After each batch of soybean raw materials is ground, the piston head is driven by the lifting cylinder to move up and down inside the extension tube, and the air flow is transported upward through the piston head, so that the filter layer vibrates, and the residue blocked in the filter holes of the filter layer falls quickly.

[0031] Technical effects and advantages of the present invention:

[0032] 1. The present invention adjusts the horizontal height of the grinding block through the lifting assembly, and then adjusts the gap between the grinding block and the grinding chamber, so as to control the grinding coarseness of the soybean raw material. The soybeans are gathered in the gap between the limiting ring plate and the grinding box through the limiting ring plate, so as to avoid large-area uneven accumulation of soybeans on the grinding block. With the rotation of the grinding block, the soybeans in the gap between the limiting ring plate and the grinding box are more evenly filled into multiple positions of the gap, so as to improve the grinding efficiency of the soybean raw material.

[0033] 2. The present invention drives the limit ring plate to move downward by the downward movement of the telescopic end of the lifting cylinder. The pressure plate and the extrusion block exert a downward extrusion force on the soybeans under the elastic force of the elastic member, thereby accelerating the speed at which the soybeans move to a smaller gap downward and further improving the grinding efficiency of the grinding block on the soybeans.

[0034] 3. In the process of grinding soybeans by the grinding block of the present invention, the telescopic end of the lifting cylinder moves up and down at a short distance and high frequency, so that the air flow in the extension cylinder repeatedly penetrates the filter layer up and down to clear the blockage of the filter layer. At the same time, the efficiency of soybean powder particles on the filter layer passing through the filter layer is accelerated under the vibration effect of the filter layer, thereby ensuring the smoothness of the filter layer during the grinding process of the soybean raw materials.

[0035] 4. In the present invention, after the bottom of the extrusion block is pressed against the inner wall of the grinding chamber, the telescopic end of the lifting cylinder drives the piston head to move upward rapidly, and the airflow is pushed upward rapidly, so that the telescopic end of the elastic member drives the piston head to move downward. The extrusion block moves downward rapidly under the action of the rebound force of the elastic member and contacts the grinding chamber. The extrusion block knocks the inner wall of the grinding chamber to reduce the adhesion between the residue and the inner wall of the grinding chamber, and the soybean residue attached to the inner wall of the grinding chamber is removed in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0037] Figure 2 It is a schematic diagram of the internal structure of the grinding box of the present invention;

[0038] Figure 3 It is a schematic diagram of the rotating assembly structure of the present invention;

[0039] Figure 4 For the present invention Figure 2 Schematic diagram of the enlarged structure of the middle A area;

[0040] Figure 5 It is a schematic diagram of the lifting assembly and elastic member structure of the present invention;

[0041] Figure 6 It is a schematic diagram of the pressure plate structure of the present invention.

[0042] In the figure: 1. support frame; 101. feed pipe; 2. grinding box; 201. filter layer; 3. grinding block; 301. connecting shaft; 3011. lifting assembly; 3012. U-shaped reinforcement rib; 302. synchronous wheel; 4. rotating assembly; 401. pulley; 402. synchronous belt; 403. driving motor; 5. limiting assembly; 501. limiting ring plate; 5011. elastic member; 5012. pressing plate; 5013. extrusion block; 502. extrusion assembly; 5021. support plate; 5022. lifting cylinder; 6. extension tube; 601. discharge joint; 7. lifting cylinder; 701. piston head. DETAILED DESCRIPTION

[0043] In order to more clearly understand the above-mentioned purposes, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0044] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from the description. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0045] See also Figure 1-5 The present embodiment discloses a conveying type grinding device for drawing protein soybean raw materials, including a support frame 1, a grinding box 2, a grinding block 3, a rotating component 4, a limiting component 5, an extension tube 6 and a lifting cylinder 7.

[0046] A supporting leg is provided at the bottom of the supporting frame 1, and the top of the supporting leg is fixedly connected to the grinding box 2, and the grinding box 2 is supported by the supporting leg. A grinding chamber is provided inside the grinding box 2, and the grinding block 3 is located in the middle of the grinding chamber. A gap is formed between the grinding chamber and the grinding block 3, and the gap decreases linearly from top to bottom. The soybean raw material passes through the gap between the grinding chamber and the grinding block 3 and the grinding block 3 continuously rotates, so that the soybean raw material is gradually ground from the whole into the required powder particle size.

[0047] A feed pipe 101 is provided on the support frame 1, and a mounting hole is opened on the top of the support frame 1. The feed pipe 101 is fixedly installed on the top of the support frame 1 through the mounting hole. The bottom of the feed pipe 101 corresponds to the top side of the grinding chamber. The feed pipe 101 continuously transports the soybean raw material into the grinding chamber. A control valve is provided on the feed pipe 101, which facilitates the feed pipe 101 to transport the soybean raw material into the grinding chamber in batches and quantitatively through the control valve.

[0048] A feeding port is provided at the bottom of the grinding box 2 , and a filter layer 201 is provided inside the feeding port. The soybean raw materials processed in the grinding chamber fall through the feeding port after passing through the filter layer 201 .

[0049] The extension tube 6 is connected to the discharge port, and the lifting cylinder 7 is located directly below the extension tube 6. The soybean powder particles ground in the gap between the grinding chamber and the grinding block 3 are filtered in the filter layer 201 and fall into the extension tube 6, and then are discharged outward through the discharge joint 601 for collection.

[0050] The telescopic end at the top of the lifting cylinder 7 passes through the bottom of the extension tube 6 and is provided with a piston head 701. A discharge joint 601 is provided on one side of the extension tube 6. The top of the piston head 701 is an inclined surface. A sealing gasket is provided on the outer side of the piston head 701. The sealing gasket improves the sealing between the piston head 701 and the extension tube 6. The inclined surface at the top of the piston head 701 corresponds to and cooperates with the discharge joint 601. The soybean powder particles entering the extension tube 6 improve the efficiency of the soybean powder particles being discharged outward through the discharge joint 601 under the cooperation with the inclined surface of the piston head 701. The inclined surface at the top of the piston head 701 guides the soybean powder particles. At the same time, when the telescopic end of the lifting cylinder 7 drives the piston head 701 to move up and down, the discharge amount of the discharge joint 601 can be adjusted by the piston head 701, or according to the needs of use, the connection between the extension tube 6 and the discharge joint 601 can be disconnected by moving the piston head 701 upward.

[0051] Specifically, the rotating assembly 4 includes a driving motor 403, which is fixedly connected to the top of the support frame 1. The rotating shaft at the bottom of the driving motor 403 passes through the top of the support frame 1 and is provided with a pulley 401. The bottom of the support frame 1 is rotatably connected to a synchronous wheel 302. A bearing is provided between the synchronous wheel 302 and the support frame 1. The outer ring of the bearing is fixedly connected to the top of the synchronous wheel 302. The inner ring of the bearing is fixedly connected to a fixed column. The top of the fixed column is fixedly connected to the bottom of the support frame 1. The outer walls of the pulley 401 and the synchronous wheel 302 are sleeved with a synchronous belt 402. A connecting shaft 301 is provided at the bottom of the synchronous wheel 302. The bottom of the connecting shaft 301 is fixedly connected to the middle part of the grinding block 3. The synchronous wheel 302 rotates synchronously with the pulley 401 through the synchronous belt 402. After the driving motor 403 is started, the synchronous wheel 302 rotates synchronously with the pulley 401. At the same time, the grinding block 3 rotates in the grinding chamber to grind the soybeans.

[0052] A lifting component 3011 is provided on the top of the connecting shaft 301, and the horizontal height of the grinding block 3 is controlled by the lifting component 3011. Specifically, a slot is provided on the top of the connecting shaft 301, and the slot divides the connecting shaft 301 into an upper connecting section and a lower connecting section. The lifting component 3011 is installed inside the slot. The lifting component 3011 is a hydraulic cylinder, and the telescopic end at the bottom of the hydraulic cylinder is fixedly connected to the top of the lower connecting section, and the fixed end at the top of the hydraulic cylinder is fixedly connected to the bottom of the upper connecting section.

[0053] Furthermore, a U-shaped reinforcing rib 3012 is provided on the upper connecting section, and a limiting groove is provided at the bottom of the lower connecting section. The bottom end of the U-shaped reinforcing rib 3012 is located inside the limiting groove, and an electromagnetic latch is provided at the bottom end of the U-shaped reinforcing rib 3012. The U-shaped reinforcing rib 3012 is locked at different horizontal positions of the limiting groove by the electromagnetic latch. The upper connecting section and the lower connecting section form a limiting connection through the U-shaped reinforcing rib 3012. In conjunction with the electromagnetic latch, when the lifting assembly 3011 drives the lower connecting section and the grinding block 3 to move up and down to different horizontal heights, the grinding block 3 is fixed at a specified height through the locking start of the electromagnetic latch, thereby adjusting the gap size between the grinding chamber and the grinding block 3, and then controlling the size of the soybean particles processed by the gap grinding.

[0054] The limiting assembly 5 includes a limiting ring plate 501, the bottom of the limiting ring plate 501 corresponds to the gap, an extrusion assembly 502 is provided above the limiting ring plate 501, and the extrusion assembly 502 is used to control the horizontal height of the limiting ring plate 501. The extrusion assembly 502 includes a support plate 5021 and a lifting cylinder 5022, the top of the support plate 5021 is fixedly connected to the bottom of the support frame 1, the fixed end of the lifting cylinder 5022 is fixedly connected to the support plate 5021, and the telescopic end of the lifting cylinder 5022 is fixedly connected to the top of the limiting ring plate 501. Through the cooperation of the gap between the limiting ring plate 501 and the inner wall of the grinding chamber, during the rotation of the grinding block 3, the soybeans accumulated between the limiting ring plate 501 and the grinding chamber are filled into the gap as the grinding block 3 rotates. Through the setting of the limiting ring plate 501, it is prevented that the soybeans enter the grinding chamber and accumulate in a certain area on the top of the grinding block 3 for a long time, which affects the stable feeding of the soybeans into the gap.

[0055] Furthermore, an elastic member 5011 is provided at the bottom of the limiting ring plate 501 , a pressing plate 5012 is provided at the bottom of the elastic member 5011 , and the elastic member 5011 includes an elastic bag, and a spring is provided inside the elastic bag.

[0056] When the extrusion assembly 502 drives the limiting ring plate 501 to move downward, the bottom of the pressure plate 5012 and the elastic member 5011 can provide a downward extrusion force on the soybeans between the grinding chamber and the grinding block 3, thereby enhancing the grinding efficiency of the soybeans between the grinding block 3 and the grinding chamber, and preventing the round soybeans from naturally falling at an unstable speed after entering the gap between the grinding block 3 and the grinding chamber, resulting in the grinding block 3 being unable to ensure the grinding efficiency of the soybeans and the grinding block 3 idling during grinding. After the elastic member 5011 and the pressure plate 5012 come into contact with the soybeans, the compression deformation of the elastic member 5011 further increases the downward pressure on the soybeans. The pressure plate 5012 ensures the contact area with the soybeans, so that when the limiting ring plate 501 moves downward, the elastic member 5011 and the pressure plate 5012 maintain the squeezing effect on the soybeans, thereby improving the grinding efficiency of the soybeans by the grinding block 3.

[0057] Furthermore, an extrusion block 5013 is provided at the bottom of the elastic member 5011, and the elastic member 5011 is connected to the pressing plate 5012 through the extrusion block 5013. The pressing plate 5012 is located on the inner side of the bottom of the extrusion block 5013. The extrusion block 5013 improves the stability of the elastic member 5011 when in contact with the soybean raw material.

[0058] When in use, the lifting component 3011 first drives the lower connecting section and the grinding block 3 to move up and down in the grinding chamber to adjust the horizontal height of the grinding block 3, and then adjusts the gap between the grinding block 3 and the grinding chamber to control the coarseness of the grinding of the soybean raw material. After the height of the grinding block 3 is determined, the electromagnetic latch locks the bottom of the U-shaped reinforcement rib 3012 inside the limit groove, and the grinding block 3 remains in this horizontal position. When the driving motor 403 drives the grinding block 3 to rotate, the locked electromagnetic latch enables the lower connecting section to directly receive the torque of the upper connecting section, thereby realizing synchronous rotation with the upper connecting section, avoiding the lifting component 3011 from being subjected to additional torque, thereby reducing the wear of the lifting component 3011 and extending the service life of the lifting component 3011.

[0059] Then, the soybeans to be ground are continuously transported into the grinding chamber through the feed pipe 101. Under the influence of the limiting ring plate 501, the soybeans are gathered in the gap between the limiting ring plate 501 and the grinding box 2, instead of being unevenly accumulated on the grinding block 3 over a large area. During the soybean feeding process, the drive motor 403 is started and drives the pulley 401 to rotate. Under the transmission action of the synchronous belt 402, the synchronous wheel 302 rotates synchronously with the grinding block 3. As the grinding block 3 rotates, the soybeans in the gap between the limiting ring plate 501 and the grinding box 2 will be more evenly filled in multiple positions of the gap between the grinding block 3 and the grinding chamber, so that the grinding block 3 can apply extrusion force to more soybean raw materials when rotating and grinding, thereby improving the grinding efficiency of the soybean raw materials.

[0060] In order to further improve the grinding efficiency of the grinding block 3 for soybeans, during the soybean feeding process, after the driving motor 403 drives the grinding block 3 to rotate one circle, the soybeans have been filled into the gap between the grinding chamber and the grinding block 3. At this time, the soybean extrusion process is started. Specifically, the telescopic end of the lifting cylinder 5022 moves downward, driving the limit ring plate 501 to move downward. The limit ring plate 501 corresponds to the top of the gap. During the downward movement of the limit ring plate 501, the pressing plate 5012 and the extrusion block 5013 contact the soybeans in the gap and apply a downward extrusion force to the soybeans through the compression of the elastic member 5011. During the rotation of the grinding block 3, the elastic member 5011 applies a downward squeezing force to the soybeans, thereby accelerating the speed at which the soybeans move to a smaller gap below, thereby further improving the grinding efficiency of the grinding block 3 for the soybeans. During the repeated up and down movement of the telescopic end of the lifting cylinder 5022, the soybeans between the limit ring plate 501 and the grinding box 2 continue to fall, and continue to move downward and be ground steadily under the squeezing of the elastic member 5011. After the pressing plate 5012 and the squeezing block 5013 move down to the gap, the pressing plate 5012 can form a shield on the top of the gap to prevent broken particles from bursting out of the gap when the soybeans are ground and crushed.

[0061] See also Figure 1-6 As shown, during the grinding process of soybeans in the grinding chamber, the soybeans will adhere to the inner wall of the grinding chamber to form residues. If the residues are not removed in time, the inner wall of the grinding chamber will deteriorate, which will seriously affect the quality of soybean powder particles in the subsequent grinding process. In addition, during the grinding process of soybean raw materials, soybean powder particles will gradually gather in the filter holes of the filter layer 201 and form blockages, which will lead to lower and lower material falling efficiency of soybean powder particles. In this regard, the following embodiments are proposed:

[0062] When in use, in order to ensure the patency of the filter holes of the filter layer 201 and maintain the dropping efficiency of soybean powder during the grinding and processing of each batch of soybean raw materials, during the grinding process of the grinding block 3 on the soybeans, the telescopic end of the jacking cylinder 7 drives the piston head 701 to move upward, so that the bottom surface of the piston head 701 is higher than the discharge joint 601, and then the telescopic end of the jacking cylinder 7 drives the piston head 701 to move up and down at a short distance and high frequency. At this time, the distance of the short-distance and high-frequency up and down movement is recorded as H1. The up and down movement of the piston head 701 will drive the airflow in the extension tube 6 to repeatedly penetrate the filter layer 201 up and down, thereby completing the clearing of the blocked filter holes of the filter layer 201. At the same time, when the airflow repeatedly penetrates the filter layer 201, the filter layer 201 will also vibrate, thereby accelerating the efficiency of the soybean powder on the filter layer 201 passing through the filter layer 201, thereby ensuring the patency of the filter layer 201 during the grinding and processing of the soybean raw materials.

[0063] Among them, a flow sensor is arranged below the filter layer 201, and the flow sensor is used to detect the falling amount of soybean powder particles passing through the filter layer 201 in unit time, so as to judge the blockage condition of the filter holes of the filter layer 201. Specifically, the flow sensor sets a threshold value Q1. When the filter layer 201 is not blocked, the soybean powder flow detected by the flow sensor is maintained at the threshold value Q1. When the soybean powder flow detected by the flow sensor is lower than the threshold value Q1, it indicates that the filter layer 201 is blocked. Based on this, the lifting cylinder 7 is started to control the piston head 701 to move up and down to block the filter layer 201. When the flow of soybean powder particles on the filter layer 201 is normal, the lifting cylinder 7 controls the piston head 701 to reset.

[0064] After the filter layer 201 is cleared, the soybean powder particles that have passed through the filter layer 201 are located on the upper surface of the piston head 701. Under the contraction of the telescopic end of the lifting cylinder 7, the piston head 701 corresponds to the discharge joint 601, and the soybean powder particles on the piston head 701 enter the discharge joint 601 along the piston head 701 and are discharged outward for collection.

[0065] In order to prevent the soybeans from adhering to the grinding chamber and deteriorating in the grinding chamber, after each batch of soybean raw materials is ground, the bottom end of the limit ring plate 501 is kept at the top of the grinding chamber under the drive of the lifting cylinder 5022. At this time, the bottom of the extrusion block 5013 is pressed against the inner wall of the grinding chamber, and the inner side of the pressure plate 5012 is close to the outer side of the grinding block 3. Then, the piston head 701 is driven by the telescopic end of the lifting cylinder 7 to move upward rapidly. The piston head 701 quickly squeezes the gas in the extension tube 6 upward. The airflow passes through the extension tube 6, the blanking port and the grinding chamber in turn, and is quickly pushed upward by the airflow, so that the elastic member 5011 is elastically compressed. Figure 6 As shown, the pressing plate 5012 is preferably a curved structure, and the middle part of the pressing plate 5012 is upwardly arched. The upwardly arched pressing plate 5012 is conducive to the gas pushing the elastic member 5011 upward for compression, wherein the upward movement distance and the rapid downward movement distance of the piston head 701 are recorded as H2, and the distance H2 is greater than the distance H1. As the telescopic end of the lifting cylinder 7 drives the piston head 701 to move rapidly downward, the extrusion block 5013 moves rapidly downward under the action of the rebound force of the elastic member 5011 and contacts the grinding chamber, thereby pressing the inner wall of the grinding chamber. The knocking is formed, and the vibration generated by the knocking reduces the adhesion between the residue and the inner wall of the grinding chamber. In the process of the telescopic end of the lifting cylinder 7 driving the piston head 701 to move up and down repeatedly and quickly, the extrusion block 5013 repeatedly knocks on the inner wall of the grinding chamber, and the soybean residue attached to the inner wall of the grinding chamber is removed in time. The shaken soybean residue will fall to a smaller gap position between the grinding block 3 and the grinding chamber, and the driving motor 403 is started again to make the grinding block 3 rotate in the grinding chamber and grind the soybean residue again to remove all the soybean residue.

[0066] Furthermore, by driving the piston head 701 downward through the telescopic end of the lifting cylinder 7, the gap between the grinding chamber and the grinding block 3 can be reduced, so that the airflow pressure is higher and the flow rate is faster when passing through the grinding chamber, thereby making the compression distance of the elastic member 5011 longer and the rebound force greater, so that the elastic member 5011 acts on the inner wall of the grinding chamber with a stronger rebound force, further improving the removal effect of soybean residues.

[0067] A grinding method of a fibrous protein soybean raw material conveying type grinding device, the grinding method uses the fibrous protein soybean raw material conveying type grinding device for grinding, comprising the following steps:

[0068] S1. The pretreated soybean raw material is introduced into the grinding chamber through the feed pipe 101. The soybean is limited by the limiting ring plate 501 and the grinding chamber. As the grinding block 3 rotates, the soybean is evenly fed downward through the grinding chamber.

[0069] S2. The limiting ring plate 501 is driven to move up and down by the extrusion assembly 502, so that the bottom of the limiting ring plate 501 presses the soybeans in the grinding chamber downward.

[0070] S3, the gap between the grinding block 3 and the inner wall of the grinding chamber gradually decreases from top to bottom. During the rotation of the grinding block 3, the soybeans are ground and fall into the filter layer 201. After being filtered by the filter layer 201, they are discharged outward through the extension tube 6 and the discharge joint 601.

[0071] S4. After each batch of soybean raw materials is ground, the piston head 701 is driven by the lifting cylinder 7 to move up and down inside the extension tube 6, and the air flow is transported upward through the piston head 701, so that the filter layer 201 vibrates, and the residue blocked in the filter holes of the filter layer 201 falls quickly.

[0072] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A conveying type grinding device for drawing protein soybean raw materials, comprising a support frame (1), a grinding box (2), a grinding block (3), a rotating assembly (4), a limiting assembly (5), an extension tube (6) and a lifting cylinder (7), characterized in that: The support frame (1) is provided with a feed pipe (101), and the bottom of the grinding box (2) is provided with a feed opening; The rotating assembly (4) comprises a driving motor (403), a rotating shaft at the bottom of the driving motor (403) passes through the top of the support frame (1) and is provided with a pulley (401), a synchronous wheel (302) is rotatably connected to the bottom of the support frame (1), a synchronous belt (402) is sleeved on the outer walls of the pulley (401) and the synchronous wheel (302), a connecting shaft (301) is provided at the bottom of the synchronous wheel (302), and the bottom of the connecting shaft (301) is fixedly connected to the middle of the grinding block (3); A lifting assembly (3011) is provided on the top of the connecting shaft (301); The limiting assembly (5) comprises a limiting ring plate (501), an extrusion assembly (502) is provided above the limiting ring plate (501), an elastic member (5011) is provided at the bottom of the limiting ring plate (501), and a pressure plate (5012) is provided at the bottom of the elastic member (5011); A filter layer (201) is provided inside the drop port, the telescopic end at the top of the lifting cylinder (7) penetrates the bottom of the extension tube (6) and is provided with a piston head (701), and a discharge joint (601) is provided on one side of the extension tube (6); The top of the connecting shaft (301) is provided with a slot, the slot divides the connecting shaft (301) into an upper connecting section and a lower connecting section, the lifting assembly (3011) is installed inside the slot, the lifting assembly (3011) is a hydraulic cylinder, the telescopic end at the bottom of the hydraulic cylinder is fixedly connected to the top of the lower connecting section, and the fixed end at the top of the hydraulic cylinder is fixedly connected to the bottom of the upper connecting section; The upper connecting section is provided with a U-shaped reinforcing rib (3012), the bottom of the lower connecting section is provided with a limiting groove, the bottom end of the U-shaped reinforcing rib (3012) is located inside the limiting groove, the bottom end of the U-shaped reinforcing rib (3012) is provided with an electromagnetic latch, and the U-shaped reinforcing rib (3012) is locked at different horizontal positions of the limiting groove by the electromagnetic latch; The extrusion assembly (502) is used to control the horizontal height of the limiting ring plate (501), and the extrusion assembly (502) comprises a support plate (5021) and a lifting cylinder (5022), the top of the support plate (5021) is fixedly connected to the bottom of the support frame (1), the fixed end of the lifting cylinder (5022) is fixedly connected to the support plate (5021), and the telescopic end of the lifting cylinder (5022) is fixedly connected to the top of the limiting ring plate (501); The elastic member (5011) comprises an elastic bag, a spring is arranged inside the elastic bag, an extrusion block (5013) is arranged at the bottom of the elastic member (5011), the elastic member (5011) is connected to a pressing plate (5012) via the extrusion block (5013), and the pressing plate (5012) is located on the inner side of the bottom of the extrusion block (5013); The top of the piston head (701) is in the form of an inclined surface, the lowest point of the inclined surface of the piston head (701) corresponds to the discharge joint (601), and a sealing gasket is provided on the outer side of the piston head (701).

2. The conveying type grinding device for drawing protein soybean raw material according to claim 1 is characterized in that: The support frame (1) is provided with a mounting hole at the top, and the feed pipe (101) is fixedly mounted on the top of the support frame (1) through the mounting hole. The bottom of the feed pipe (101) corresponds to one side of the top of the grinding chamber. The extension tube (6) is connected to the drop opening. The lifting cylinder (7) is located directly below the extension tube (6). The support frame (1) is provided with a support leg at the bottom, and the top of the support leg is fixedly connected to the grinding box (2). The drive motor (403) is fixedly connected to the top of the support frame (1).

3. The conveying type grinding device for drawing protein soybean raw material according to claim 1 is characterized in that: A grinding chamber is provided inside the grinding box (2), the grinding block (3) is located in the middle of the grinding chamber, a gap is formed between the grinding chamber and the grinding block (3), the gap decreases linearly from top to bottom, and the bottom of the limiting ring plate (501) corresponds to the gap.

4. The conveying type grinding device for drawing protein soybean raw material according to claim 1 is characterized in that: A bearing is provided between the synchronous wheel (302) and the support frame (1), the outer ring of the bearing is fixedly connected to the top of the synchronous wheel (302), the inner ring of the bearing is fixedly connected to a fixing column, and the top of the fixing column is fixedly connected to the bottom of the support frame (1).

5. A grinding method of a fibrous protein soybean raw material conveying type grinding device, wherein the grinding method uses the fibrous protein soybean raw material conveying type grinding device as claimed in claim 3 to grind the soybean raw material, characterized in that: The following steps are involved: S1, the pre-treated soybean raw material is introduced into the grinding chamber through the feed pipe (101), and the soybean is limited by the limiting ring plate (501) and the grinding chamber, and as the grinding block (3) rotates, the soybean is uniformly fed downward through the grinding chamber; S2, driving the limiting ring plate (501) to move up and down through the extrusion component (502), so that the bottom of the limiting ring plate (501) presses the soybeans in the grinding chamber downward; S3, the gap between the grinding block (3) and the inner wall of the grinding chamber gradually decreases from top to bottom, and during the rotation of the grinding block (3), the soybeans are ground and fall onto the filtering layer (201), and after being filtered by the filtering layer (201), they are discharged outward through the extension cylinder (6) and the discharge joint (601); S4. After each batch of soybean raw materials is ground, the piston head (701) is driven by the lifting cylinder (7) to move up and down inside the extension cylinder (6), and the airflow is transported upward by the piston head (701), causing the filter layer (201) to vibrate, so that the residue blocked in the filter holes of the filter layer (201) falls down quickly.

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