Powder food processing and crushing device and method

Abstract

The invention discloses a powder food processing and crushing device and method, and belongs to the technical field of food processing.The powder food processing and crushing device comprises a circulating flow channel module and a graded crushing module, and the circulating flow channel module is used for conveying food raw materials to be processed into the graded crushing module and recycling all component raw materials obtained after segmented crushing; the circulating flow channel module is used for circulating food raw materials, the food raw materials are repeatedly conveyed into the graded crushing module to be crushed for multiple times until the required particle size requirement is met, and the graded crushing module is used for carrying out graded crushing treatment on the food raw materials with different particle sizes. And on one hand, the crushing efficiency of the raw materials is improved, on the other hand, the crushing structure is prevented from being blocked by the raw materials with the different particle sizes, and the influence on the processing process of the powder food is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of food processing, and in particular relates to a powder food processing and pulverizing device and method. Background Art

[0002] Powder food processing and pulverizing equipment needs to meet the strict requirements of the food industry, including hygiene, safety, controllability and easy cleaning, and be able to process food raw materials with different characteristics and ultimately produce powder that meets the particle size requirements.

[0003] Chinese patent CN215312743U discloses a crushing device for powdered food processing, including a machine table, the top surface of which is bolted to one end of a crushing structure; the crushing structure includes a motor, the bottom fixing plate of the motor is bolted to the machine table, one side of the motor is rotatably connected to a drive shaft, the neck bearing of the drive shaft is connected to a crushing drum, the middle part of the drive shaft is interference-fitted with a crushing roller, and the end bearing of the drive shaft is connected to the other side of the inner wall of the crushing drum.

[0004] During the actual operation of the above-mentioned device, raw material powders of different particle sizes are mixed together and roller crushed, causing some particles that meet the particle size requirements to move repeatedly in the container, which not only produces invalid work, but also easily causes uneven force at different positions of the roller when raw materials of different particle sizes are mixed together, resulting in deformation after long-term operation, affecting the crushing effect of the roller. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the embodiment of the present invention aims to provide a powder food processing and pulverizing device and method to solve the problems in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A powder food processing and pulverizing device and method, the powder food processing and pulverizing device having a first direction, a second direction, and a third direction relative to each other, the powder food processing and pulverizing device comprising a circulation flow channel module and a graded crushing module, the circulation flow channel module being used to convey food raw materials to be processed to the graded crushing module, and recovering the various component raw materials after segmented crushing, and repeatedly conveying them to the graded crushing module for multiple crushing until the required particle size is reached, the graded crushing module being used to grade and crush food raw materials of different particle sizes;

[0008] The circulation channel module includes a frame assembly and a screen drum assembly, the frame assembly includes a main frame, a side bracket and a recovery trough, both ends of the main frame are provided with side brackets, and the bottom side of the main frame is also provided with a recovery trough, the screen drum assembly includes a screen drum, the screen drum is rotatably assembled between two sets of side brackets, and the cylinder surface of the screen drum is provided with a plurality of main sieve holes;

[0009] The grading crushing module includes a screen plate assembly, which includes a vibrating screen plate and grading screen holes. The vibrating screen plate is arranged in the inner cavity of the screen cylinder along a first direction and is used to input food raw materials to be crushed into the screen cylinder. A plurality of grading screen holes are arranged on the vibrating screen plate.

[0010] As a further solution of the present invention, the screen drum assembly also includes a limiting wheel, a driven wheel, a front feed port and a rear discharge port. Limiting wheels are provided at both ends of the screen drum. The limiting wheels are assembled in the side bracket for limiting rotation. A driven wheel is also provided at one end of the screen drum. A front feed port and a rear discharge port are respectively provided at both ends of the screen drum. The front feed port is used to input the raw materials to be processed into the screen drum, and the rear discharge port is used to collect the residual raw materials that have not been processed.

[0011] As a further solution of the present invention, the screen drum assembly also includes a hopper, a crushing roller, a roller shaft and a driven gear. Several of the hoppers are fixedly mounted on the main frame and arranged in an array in the inner cavity of the screen drum. Two groups of crushing rollers are rotatably arranged in the hopper. The two groups of roller shafts are coaxially fixedly connected to the two groups of crushing rollers respectively. A driven gear is also provided at one end of the roller shaft, and the two groups of driven gears are meshed with each other.

[0012] As a further solution of the present invention, the circulation flow channel module is provided with a relative first crushing station, a second crushing station and a third crushing station, which are sequentially arranged on several hoppers along the first direction, and the first crushing station, the second crushing station and the third crushing station are respectively used to process food raw materials with different particle sizes, and the grading crushing module is provided with a relative first screening station, a second screening station and a third screening station, which are sequentially arranged in the vibrating screen plate along the first direction, and the first screening station, the second screening station and the third screening station are respectively aligned with the first crushing station, the second crushing station and the third crushing station in the third direction.

[0013] As a further solution of the present invention, the screen drum assembly also includes a first transmission shaft, a first bevel gear, a first synchronous wheel, a second bevel gear, a second transmission shaft, a third bevel gear, a second synchronous wheel and a third synchronous wheel. The first transmission shaft, the first transmission shaft, the second transmission shaft and the third synchronous wheel are all fixedly arranged at one end of the main frame. The first transmission shaft is coaxially fixed with the first bevel gear, the first synchronous wheel and the second bevel gear are coaxially fixed with the third bevel gear and the second synchronous wheel. The second bevel gear and the third bevel gear are meshed with each other. One end of the third synchronous wheel is connected to the first synchronous wheel for transmission, and the other end of the third synchronous wheel is connected to the driven wheel for transmission.

[0014] As a further solution of the present invention, the screen plate assembly also includes a feed trough, a bracket and a sliding pin. A feed trough is provided at one end of the vibrating screen plate, and the feed trough is used to load food raw materials to be processed. One end of the bracket is fixedly assembled on the main frame, and a sliding pin is elastically inserted on the bracket. The sliding pin and the vibrating screen plate are fixedly connected.

[0015] As a further solution of the present invention, the powder food processing and crushing device also includes a lifting component, which includes a lifting roller, a belt, a recovery flow channel and a re-feeding flow channel. The two groups of lifting rollers are respectively rotatably assembled on one side of the main frame, and a belt is wound around the two groups of lifting rollers. One end of the recovery flow channel is arranged on one side of the rear discharge port, and the other end of the recovery flow channel is arranged close to the bottom side of the belt. One end of the re-feeding flow channel is arranged on one side of the front feed port, and the other end of the re-feeding flow channel is arranged close to the top side of the belt.

[0016] As a further solution of the present invention, the powder food processing and crushing device also includes a transmission assembly, which includes a vibration roller, an eccentric wheel, a first transmission arm, a center shaft, a second transmission arm, a first shaft-driven wheel, a second shaft-driven wheel, a third shaft-driven wheel, a fourth shaft-driven wheel and a driver. The vibration roller is fixedly arranged on one side of the vibrating screen plate, and the vibration roller is coaxially fixedly assembled with an eccentric wheel. One end of the first transmission arm is rotatably sleeved on the vibration roller, and the other end of the first transmission arm is rotatably assembled with the center shaft. One end of the second transmission arm is rotatably sleeved on the center shaft, and the other end of the second transmission arm is fixedly arranged on one side of the main frame. The first shaft-driven wheel and the vibration roller are coaxially fixedly connected, the second shaft-driven wheel and the third shaft-driven wheel are coaxially fixedly connected with the center shaft, the first shaft-driven wheel and the second shaft-driven wheel are connected by a synchronous belt transmission, the fourth shaft-driven wheel is rotatably arranged on the end side of the second transmission arm, one end of the fourth shaft-driven wheel is transmission-connected to the third shaft-driven wheel, and the other end of the fourth shaft-driven wheel is assembled and connected to the driver, and the driver is fixedly arranged on one side of the main frame.

[0017] In summary, the embodiments of the present invention have the following beneficial effects compared with the prior art:

[0018] The present invention provides a circulation flow module and a graded crushing module so that raw materials of different particle sizes are transported to different crushing structures for processing. On the one hand, the crushing efficiency of the raw materials is increased, and on the other hand, the crushing structure is prevented from being stuck by raw materials of different particle sizes, thereby avoiding affecting the processing process of powdered food. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a partial cross-sectional view of a powder food processing and pulverizing device provided in one embodiment of the present invention.

[0020] Figure 2The figure is a schematic structural diagram of a powder food processing and pulverizing device provided in one embodiment of the present invention.

[0021] Figure 3 This is a structural schematic diagram of a powder food processing and pulverizing device indicated by A in an embodiment of the present invention.

[0022] Figure 4 This is a schematic diagram of the back structure of a powder food processing and pulverizing device provided in one embodiment of the present invention.

[0023] Figure 5 This is a schematic structural diagram of a powder food processing and pulverizing device indicated by B in an embodiment of the present invention.

[0024] Figure 6 The figure is a schematic side view of the structure of a powder food processing and pulverizing device provided in one embodiment of the present invention.

[0025] Figure 7 This is a schematic structural diagram of a powder food processing and pulverizing device indicated by C in an embodiment of the present invention.

[0026] Reference numerals: 1-frame assembly, 101-main frame, 102-side bracket, 103-recovery trough, 2-screen drum assembly, 201-screen drum, 202-main sieve hole, 203-limiting wheel, 204-driven wheel, 205-front feed port, 206-rear discharge port, 207-hopper, 208-crushing roller, 209-roller shaft, 210-driven gear, 211-first transmission shaft, 212-first bevel gear, 213-first synchronous wheel, 214-second bevel gear, 215-second transmission shaft, 216-third bevel gear, 217-second synchronous wheel, 218-third synchronous wheel, 3-screen plate assembly, 301-vibrating screen plate, 302-feed trough, 303-bracket, 304-slide pin, 305-grading sieve hole, 4-lifting assembly, 401-lifting roller, 402-belt, 403-recovery flow channel, 404-re-feeding flow channel, 5-transmission assembly, 501-vibrating roller, 502-eccentric wheel, 503-first transmission arm, 504-center shaft, 505-second transmission arm, 506-first shaft driving wheel, 507-second shaft driving wheel, 508-third shaft driving wheel, 509-fourth shaft driving wheel, 510-driver. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] See also Figure 1-Figure 7In one embodiment of the present invention, a powder food processing and pulverizing device and method are provided. The powder food processing and pulverizing device has a relative first direction x, a second direction y, and a third direction z. The food processing and pulverizing device includes a circulation channel module and a graded crushing module. The circulation channel module is used to convey the food raw materials to be processed to the graded crushing module, and to recover the various component raw materials after segmented crushing, so that they are repeatedly conveyed to the graded crushing module for multiple crushing until the required particle size is reached. The graded crushing module is used to perform graded crushing on food raw materials of different particle sizes. The circulation channel module includes a frame assembly 1 and a screen drum assembly 2. The frame assembly 1 includes a main frame 1. 01, side brackets 102 and recovery troughs 103. Side brackets 102 are provided at both ends of the main frame 101. A recovery trough 103 is also provided on the bottom side of the main frame 101. The screen drum assembly 2 includes a screen drum 201, which is rotatably assembled between two groups of side brackets 102, and a plurality of main sieve holes 202 are provided on the cylinder surface of the screen drum 201; the grading crushing module includes a screen plate assembly 3, and the screen plate assembly 3 includes a vibrating screen plate 301 and grading screen holes 305. The vibrating screen plate 301 is arranged in the inner cavity of the screen drum 201 along the first direction x, and is used to input food raw materials to be crushed into the screen drum 201. A plurality of grading screen holes 305 are provided on the vibrating screen plate 301.

[0029] In actual application of this embodiment, when the powder food processing and pulverizing device is used to pulverize food raw materials, the device is composed of a circulation channel module and a grading crushing module, and a screen drum 201 arranged along the first direction x is provided in the circulation channel module, and the screen drum 201 is rotatably assembled between the two sets of side brackets 102, so that when the raw materials after passing through the grading and crushing module fall into the inner cavity of the screen drum 201, since the screen drum 201 is in a continuous rotation state, the tumbling raw materials can be sieved out through the main sieve holes 202 on its surface during the rolling process, so that the particles are Raw materials with a diameter that matches the aperture of the main sieve hole 202 pass through the main sieve hole 202 and fall into the recovery tank 103 for collection. Raw materials with a particle size still larger than the aperture of the main sieve hole 202 are lifted along the third direction z by the circulation channel module during movement and then transported to the sieve drum 201 for crushing again. In addition, the raw materials are processed separately by the graded crushing module during movement, so that raw materials of different particle sizes are crushed and destroyed in different structures. On the one hand, the crushing efficiency of the raw materials is increased, and on the other hand, the crushing structure is prevented from being stuck by raw materials of different particle sizes, thereby avoiding affecting the processing process of powdered food.

[0030] The powder food processing and pulverizing method:

[0031] S1: The food raw materials to be processed are transported to the grading and crushing module inside the screen drum 201 through the circulation channel module, and are repeatedly transported to the grading and crushing module for multiple crushing until the required particle size is reached. The grading and crushing module is used to perform graded crushing on food raw materials of different particle sizes;

[0032] S2: Use the graded crushing module to vibrate and screen the raw materials of different particle sizes and convey them to different crushing rollers;

[0033] S3: Recover the various component raw materials after segmented crushing and uniformly screen them through the main sieve hole 202;

[0034] S4: The raw material particles that do not meet the particle size requirements are transported to the screen drum 201 again through the lifting component 4 for multiple crushing;

[0035] S5: Repeat the above steps.

[0036] See also Figure 4 In a preferred embodiment of the present invention, the screen drum assembly 2 further includes a limiting wheel 203, a driven wheel 204, a front feed port 205 and a rear discharge port 206. Both ends of the screen drum 201 are provided with limiting wheels 203, and the limiting wheels 203 are limited in rotation and assembled in the side bracket 102. One end of the screen drum 201 is also provided with a driven wheel 204, and both ends of the screen drum 201 are respectively provided with a front feed port 205 and a rear discharge port 206. The front feed port 205 is used to input the raw materials to be processed into the screen drum 201, and the rear discharge port 206 is used to collect the residual raw materials that have not been processed.

[0037] In actual application of this embodiment, the two groups of limiting wheels 203 are respectively rotatably assembled in the two groups of side brackets 102, and the driven wheel 204 at one end of the screen drum 201 is used to drive the screen drum 201 to rotate on a fixed axis. During the movement of the screen drum 201, the front feed port 205 at one end thereof is used to continuously transport the food raw materials to be processed into the inner cavity of the screen drum 201, and the rear discharge port 206 at the other end of the front feed port 205 is used to recover the large-particle-size raw materials after the screen drum 201 rotates and screens them. In addition, the screen drum 201 can effectively avoid the blockage of raw materials during the circular rotation, and can use the action of gravity to make the raw materials in the sieve holes fall naturally.

[0038] Furthermore, the screen drum assembly 2 further includes a hopper 207, a crushing roller 208, a roller shaft 209 and a driven gear 210. Several of the hoppers 207 are fixedly mounted on the main frame 101 and arranged in an array in the inner cavity of the screen drum 201. Two groups of crushing rollers 208 are rotatably provided in the hopper 207. The two groups of roller shafts 209 are coaxially fixedly connected to the two groups of crushing rollers 208, and one end of the roller shaft 209 is further provided with a driven gear 210. The two groups of driven gears 210 are meshed and connected. Several of the hoppers 207 are rotated in the first direction. The x array is arranged in the inner cavity of the screen drum 201, and two groups of crushing rollers 208 are rotatably installed on the hopper 207. The two groups of crushing rollers 208 are assembled on the hopper 207 through the roller shaft 209, and the driven gears 210 at the ends of the two groups of roller shafts 209 are engaged with each other, so that when the two groups of roller shafts 209 are rotating, the two groups of crushing rollers 208 thereon rotate synchronously in opposite directions, thereby crushing the powder material input into the hopper 207, and several of the crushing rollers 208 adopt different tooth structures for independently processing powder raw materials of different particle sizes.

[0039] See also Figure 2 In a preferred embodiment of the present invention, the circulation flow channel module is provided with a relative first crushing station a1, a second crushing station a2 and a third crushing station a3, which are sequentially arranged on a plurality of hoppers 207 along the first direction x, and the first crushing station a1, the second crushing station a2 and the third crushing station a3 are respectively used to process food raw materials with different particle sizes, and the grading crushing module is provided with a relative first screening station b1, a second screening station b2 and a third screening station b3, which are sequentially arranged in the vibrating screen plate 301 along the first direction x, and the first screening station b1, the second screening station b2 and the third screening station b3 are respectively aligned with the first crushing station a1, the second crushing station a2 and the third crushing station a3 in the third direction z.

[0040] In actual application of this embodiment, the first crushing station a1, the second crushing station a2 and the third crushing station a3 are sequentially arranged along the first direction x, the first crushing station a1 is used to crush food raw materials with small particle size, the second crushing station a2 is used to crush food raw materials with medium particle size, and the third crushing station a3 is used to crush food raw materials with large particle size, the first screening station b1, the second screening station b2 and the third screening station b3 are sequentially arranged along the first direction x in the vibrating screen plate 301, when the vibrating screen plate 301 is in a vibrating state, the food raw materials loaded thereon move from the first screening station b1 to the third screening station b3 during the vibration process, and the first screening station b1 is used to crush food raw materials with small particle size, the second crushing station a2 is used to crush food raw materials with medium particle size, and the third crushing station a3 is used to crush food raw materials with large particle size. The apertures of the first screening station b1, the second screening station b2 and the third screening station b3 increase successively, and the apertures of the first screening station b1, the second screening station b2 and the third screening station b3 are all larger than the aperture of the main sieve hole 202, so that food raw materials of different particle sizes can be transported to different screening stations for crushing, and fall to the inner wall side of the screen cylinder 201 after crushing, and the food raw materials that meet the particle size standards are screened out through the main sieve hole 202, and the remaining raw materials that do not meet the particle size standards are transported to the graded crushing module again through the circulation flow channel module for processing, so that the food raw materials can circulate in the device and be graded and crushed according to different particle size states, thereby increasing the comprehensive processing efficiency of food raw material crushing.

[0041] See also Figure 2 and Figure 5 In a preferred embodiment of the present embodiment, the screen drum assembly 2 further includes a first transmission shaft 211, a first bevel gear 212, a first synchronous wheel 213, a second bevel gear 214, a second transmission shaft 215, a third bevel gear 216, a second synchronous wheel 217 and a third synchronous wheel 218. The first transmission shaft 211, the first transmission shaft 211, the second transmission shaft 215 and the third synchronous wheel 218 are all fixedly arranged at one end of the main frame 101. The first transmission shaft 211 is coaxially fixedly assembled with the first bevel gear 212, the first synchronous wheel 213 and the second bevel gear 214. The second transmission shaft 215 is coaxially fixedly assembled with the third bevel gear 216 and the second synchronous wheel 217. The second bevel gear 214 and the third bevel gear 216 are meshed with each other. One end of the third synchronous wheel 218 is transmission-connected to the first synchronization wheel 213, and the other end of the third synchronization wheel 218 is transmission-connected to the driven wheel 204.

[0042] In actual application of this embodiment, the first transmission shaft 211 and the second transmission shaft 215 are both fixedly arranged on one side of the main frame 101, and the first bevel gear 212 at one end of the first transmission shaft 211 is meshed with the movable shaft of the driver 510, so that the first transmission shaft 211 drives the first synchronous wheel 213 and the second bevel gear 214 to rotate synchronously during the rotation process. Since the first synchronous wheel 213 and the third synchronous wheel 218 are in transmission connection, and the third synchronous wheel 218 and a group of driven gears 210 are in transmission connection, the third synchronous wheel 218 and the roller shaft 209 can be driven to rotate synchronously, thereby driving the driven wheel 204 to rotate at the same time. The driven wheel 204 drives the screen drum 201 to rotate on the side bracket 102. The second bevel gear 214 and the third bevel gear 216 are meshed with each other, driving the second transmission shaft 215 to rotate. The second synchronous wheel 217 at one end of the second transmission shaft 215 is in transmission connection with the lifting roller 401, thereby driving the belt 402 on the lifting roller 401 to rotate synchronously.

[0043] See also Figure 2 and Figure 7 In a preferred embodiment of the present invention, the sieve plate assembly 3 also includes a feed trough 302, a bracket 303 and a sliding pin 304. A feed trough 302 is provided at one end of the vibrating sieve plate 301. The feed trough 302 is used to load food raw materials to be processed. One end of the bracket 303 is fixedly assembled on the main frame 101. A sliding pin 304 is also elastically inserted on the bracket 303. The sliding pin 304 is fixedly connected to the vibrating sieve plate 301.

[0044] In actual application of this embodiment, the feed trough 302 is arranged at one end of the vibrating screen plate 301, and the bracket 303 is fixedly arranged on one side of the main frame 101, and a sliding pin 304 is inserted obliquely thereon. One end of the sliding pin 304 is elastically connected to the bracket 303, and the other end of the sliding pin 304 is fixedly connected to the vibrating screen plate 301 to limit the vibrating screen plate 301 to reciprocate along the inclined trajectory.

[0045] See also Figure 6 In a preferred embodiment of the present invention, the powder food processing and pulverizing device also includes a lifting component 4, which includes a lifting roller 401, a belt 402, a recovery flow channel 403 and a re-feeding flow channel 404. The two groups of lifting rollers 401 are respectively rotatably assembled on one side of the main frame 101, and the two groups of lifting rollers 401 are wound with a belt 402. One end of the recovery flow channel 403 is arranged on one side of the rear discharge port 206, and the other end of the recovery flow channel 403 is arranged close to the bottom side of the belt 402. One end of the re-feeding flow channel 404 is arranged on one side of the front feed port 205, and the other end of the re-feeding flow channel 404 is arranged close to the top side of the belt 402.

[0046] In actual application of this embodiment, a belt 402 is wound around the two groups of lifting rollers 401, and the recovery channel 403 is arranged at one end of the rear discharge port 206, so that the separated large-particle food raw materials can slide along the recovery channel 403 to the belt 402, and the belt 402 can lift the raw materials along the positive direction of the third direction z during the lifting process, so that the raw materials fall onto the re-feeding channel 404 and then slide along the re-feeding channel 404 to the feed trough 302, thereby realizing the circular transportation of the raw materials.

[0047] See also Figure 7 In a preferred embodiment of the present invention, the powder food processing and pulverizing device further includes a transmission assembly 5, which includes a vibration roller 501, an eccentric wheel 502, a first transmission arm 503, a central shaft 504, a second transmission arm 505, a first shaft driven wheel 506, a second shaft driven wheel 507, a third shaft driven wheel 508, a fourth shaft driven wheel 509 and a driver 510. The vibration roller 501 is fixedly arranged on one side of the vibration screen plate 301, and the vibration roller 501 is coaxially fixedly equipped with an eccentric wheel 502. One end of the first transmission arm 503 is rotatably sleeved on the vibration roller 501, and the other end of the first transmission arm 503 is rotatably equipped with a central shaft 504. The second transmission arm One end of 505 is rotatably sleeved on the central shaft 504, and the other end of the second transmission arm 505 is fixedly set on one side of the main frame 101. The first driven wheel 506 and the vibration roller 501 are coaxially fixedly connected, the second driven wheel 507 and the third driven wheel 508 are coaxially fixedly connected to the central shaft 504, and the first driven wheel 506 and the second driven wheel 507 are connected by a synchronous belt transmission. The fourth driven wheel 509 is rotatably set on the end side of the second transmission arm 505, one end of the fourth driven wheel 509 is transmission-connected to the third driven wheel 508, and the other end of the fourth driven wheel 509 is assembled and connected to the driver 510, and the driver 510 is fixedly set on one side of the main frame 101.

[0048] In actual application of this embodiment, an eccentric wheel 502 is coaxially arranged on the vibrating roller 501, so that during the rotation of the vibrating roller 501, the centrifugal force on one side of the eccentric wheel 502 drives the vibrating roller 501 as a whole to reciprocate along the sliding track of the re-feeding channel 404, so that the vibrating screen plate 301 reciprocates in the inclined direction. The raw materials loaded on the vibrating screen plate 301 are continuously moved in the positive direction of the first direction x due to the oblique ejection. Since the first screening station b1, the second screening station b2 and the third screening station b3 are sequentially arranged on the vibrating screen plate 301 along the first direction x, raw materials of different particle sizes are classified and screened out through the first screening station b1, the second screening station b2 and the third screening station b3, and fall into the first crushing station a1, the second crushing station a2 and the third crushing station a3 at the bottom of the station, so that the raw materials of different particle sizes are distributed to different crushing stations for processing.

[0049] The above-mentioned embodiment of the present invention provides a powder food processing and crushing device and method. By setting a circulation channel module and a graded crushing module, raw materials of different particle sizes are transported to different crushing structures for processing. On the one hand, the crushing efficiency of the raw materials is increased, and on the other hand, the crushing structure is prevented from being stuck by raw materials of different particle sizes, thereby avoiding affecting the processing process of the powder food.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A powder food processing and pulverizing device, the powder food processing and pulverizing device having a first direction, a second direction and a third direction relative to each other, characterized in that: The powder food processing and pulverizing device comprises: A circulation channel module and a graded crushing module. The circulation channel module is used to transport the food raw materials to be processed to the graded crushing module, and recover the various component raw materials after segmented crushing, and repeatedly transport them to the graded crushing module for multiple crushing until the required particle size is reached. The graded crushing module is used to grade and crush food raw materials of different particle sizes; The circulation channel module includes a frame assembly and a screen drum assembly, the frame assembly includes a main frame, a side bracket and a recovery trough, both ends of the main frame are provided with side brackets, and the bottom side of the main frame is also provided with a recovery trough, the screen drum assembly includes a screen drum, the screen drum is rotatably assembled between two sets of side brackets, and the cylinder surface of the screen drum is provided with a plurality of main sieve holes; The grading crushing module includes a screen plate assembly, which includes a vibrating screen plate and grading screen holes. The vibrating screen plate is arranged in the inner cavity of the screen cylinder along a first direction and is used to input food raw materials to be crushed into the screen cylinder. A plurality of grading screen holes are arranged on the vibrating screen plate.

2. A powder food processing and pulverizing device according to claim 1, characterized in that: The screen drum assembly also includes a limiting wheel, a driven wheel, a front feed port and a rear discharge port. Limiting wheels are provided at both ends of the screen drum. The limiting wheels are assembled in the side bracket for limiting rotation. A driven wheel is also provided at one end of the screen drum. A front feed port and a rear discharge port are respectively provided at both ends of the screen drum. The front feed port is used to input the raw materials to be processed into the screen drum, and the rear discharge port is used to collect the residual raw materials that have not been processed.

3. The powder food processing and pulverizing device according to claim 1, characterized in that: The screen drum assembly also includes a hopper, a crushing roller, a roller shaft and a driven gear. Several of the hoppers are fixedly mounted on the main frame and arranged in an array in the inner cavity of the screen drum. Two groups of crushing rollers are rotatably arranged in the hopper. The two groups of roller shafts are coaxially fixedly connected to the two groups of crushing rollers respectively. A driven gear is also provided at one end of the roller shaft, and the two groups of driven gears are meshed with each other.

4. The powder food processing and pulverizing device according to claim 1, characterized in that: The circulation channel module is provided with a relative first crushing station, a second crushing station and a third crushing station, which are sequentially arranged on several hoppers along the first direction, and the first crushing station, the second crushing station and the third crushing station are respectively used to process food raw materials with different particle sizes. The grading crushing module is provided with a relative first screening station, a second screening station and a third screening station, which are sequentially arranged in the vibrating screen plate along the first direction, and the first screening station, the second screening station and the third screening station are respectively aligned with the first crushing station, the second crushing station and the third crushing station in the third direction.

5. The powder food processing and pulverizing device according to claim 1, characterized in that: The screen drum assembly also includes a first transmission shaft, a first bevel gear, a first synchronous wheel, a second bevel gear, a second transmission shaft, a third bevel gear, a second synchronous wheel and a third synchronous wheel. The first transmission shaft, the first transmission shaft, the second transmission shaft and the third synchronous wheel are all fixedly arranged at one end of the main frame. The first transmission shaft is coaxially fixedly equipped with the first bevel gear, the first synchronous wheel and the second bevel gear, the second transmission shaft is coaxially fixedly equipped with the third bevel gear and the second synchronous wheel, the second bevel gear and the third bevel gear are meshed with each other, one end of the third synchronous wheel is connected to the first synchronous wheel for transmission, and the other end of the third synchronous wheel is connected to the driven wheel for transmission.

6. The powder food processing and pulverizing device according to claim 1, characterized in that: The sieve plate assembly also includes a feed trough, a bracket and a sliding pin. A feed trough is provided at one end of the vibrating sieve plate, and the feed trough is used to load food raw materials to be processed. One end of the bracket is fixedly assembled on the main frame, and a sliding pin is elastically inserted on the bracket. The sliding pin and the vibrating sieve plate are fixedly connected.

7. The powder food processing and pulverizing device according to claim 1, characterized in that: The powder food processing and pulverizing device also includes a lifting component, which includes a lifting roller, a belt, a recovery flow channel and a re-feeding flow channel. The two groups of lifting rollers are respectively rotatably assembled on one side of the main frame, and a belt is wound around the two groups of lifting rollers. One end of the recovery flow channel is arranged on one side of the rear discharge port, and the other end of the recovery flow channel is arranged close to the bottom side of the belt. One end of the re-feeding flow channel is arranged on one side of the front feed port, and the other end of the re-feeding flow channel is arranged close to the top side of the belt.

8. The powder food processing and pulverizing device according to claim 1, characterized in that: The powder food processing and pulverizing device also includes a transmission assembly, which includes a vibration roller, an eccentric wheel, a first transmission arm, a central shaft, a second transmission arm, a first shaft-driven wheel, a second shaft-driven wheel, a third shaft-driven wheel, a fourth shaft-driven wheel and a driver. The vibration roller is fixedly arranged on one side of the vibration screen plate. The vibration roller is coaxially fixedly equipped with an eccentric wheel, one end of the first transmission arm is rotatably sleeved on the vibration roller, the other end of the first transmission arm is rotatably assembled on the central shaft, one end of the second transmission arm is rotatably sleeved on the central shaft, and the other end of the second transmission arm is fixedly arranged on one side of the main frame. The first shaft-driven wheel and the vibration roller are coaxially fixedly connected, the second shaft-driven wheel and the third shaft-driven wheel are coaxially fixedly connected with the central shaft, the first shaft-driven wheel and the second shaft-driven wheel are connected by a synchronous belt transmission, the fourth shaft-driven wheel is rotatably arranged on the end side of the second transmission arm, one end of the fourth shaft-driven wheel is transmission-connected to the third shaft-driven wheel, and the other end of the fourth shaft-driven wheel is assembled and connected to the driver, and the driver is fixedly arranged on one side of the main frame.

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