An intelligent screening device

Abstract

The present invention specifically discloses an intelligent screening device, comprising: a material sorting belt device, the material sorting belt device comprising a belt drive mechanism and a material sorting structure, the belt drive mechanism being located in the middle of the material sorting belt device, and the material sorting structure being located above the belt drive mechanism; a material pouring device being located at the entrance of the belt drive mechanism; a screening material spreading device, the screening material spreading device being located at the exit of the material sorting belt device; a screening supply device, the screening supply device comprising a screen pushing mechanism and a screen feeding mechanism, the screen feeding mechanism being located below the exit of the material sorting belt device, the screen pushing mechanism being located between the screen feeding mechanism and the material sorting belt device and being connected to the screen feeding mechanism. The intelligent screening device of the present invention can reduce the labor intensity of personnel, reduce the configuration of operating personnel, improve the screening quality of products, and improve production efficiency.

Description

Technical Field

[0001] The present invention relates to the field of food processing equipment, and in particular to an intelligent screening device and an intelligent screening method based on the device. Background Art

[0002] my country's food processing equipment industry began in the late 1970s, with an annual output value of only 70 to 80 million yuan and just over 100 product varieties. Over the past five years, the industry has grown at an average annual rate of 11% to 12%, exceeding the national economic growth rate during the same period. Total sales increased from 15 billion yuan in 1994 to 30 billion yuan in 2000, and the product variety grew from 270 in 1994 to 3,700 in 2000. Food processing equipment, also known as food machinery, is a general term for all mechanical equipment that processes food raw materials into finished or semi-finished products. Food processing equipment can be categorized as general equipment: quick-freezing equipment, cleaning equipment, drying equipment, sterilization equipment, filling equipment, water treatment equipment, screening equipment, etc.

[0003] However, most of the existing screening equipment requires a large number of operators, the process is complicated and tedious, and the work fluency and efficiency are not high. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an intelligent screening device that reduces labor intensity, reduces the number of operators, improves product screening quality, reduces production costs, and improves production efficiency.

[0005] The above-mentioned problem to be solved by the present invention is achieved through the following technical solutions:

[0006] An intelligent screening device comprises: a material sorting belt device, the material sorting belt device comprises a belt driving mechanism and a material sorting structure, the belt driving mechanism is located in the middle of the material sorting belt device, and the material sorting structure is located above the belt driving mechanism; a material pouring device, located at the entrance of the belt driving mechanism; a screening and material spreading device, the screening and material spreading device is located at the exit of the material sorting belt device; a screening supply device, the screening supply device comprises a screen pushing mechanism and a screen feeding mechanism, the screen feeding mechanism is located below the exit of the material sorting belt device, the screen pushing mechanism is located between the screen feeding mechanism and the material sorting belt device and is connected to the screen feeding mechanism.

[0007] Preferably, the material sorting belt device includes a first straight conveying section, an inclined conveying section and a second straight conveying section, the two ends of the inclined conveying section are respectively connected to the first straight conveying section and the second straight conveying section, and the material sorting structure is fixed on the first straight conveying section, and the screening supply device is located below the second straight conveying section.

[0008] Preferably, the belt drive mechanism includes a second frame, a conveying motor, a conveyor belt, a material baffle, a material partition and a conveying roller group, the conveying motor is fixed to the side end of the second frame and is transmission-connected to the conveying roller group, the conveyor belt is connected to the conveying roller group, the material partition is connected to the conveyor belt, the material baffle is fixed to the inner upper end of the second frame and close to the unloading device, and the upper surface of the material partition can contact the bottom surface of the material baffle during operation.

[0009] Preferably, the material sorting structure includes a material sorting fixing plate, a material sorting connecting plate, a material sorting rod and a material sorting cylinder. The material sorting fixing plate is fixed to the upper end of the second frame and is located at the side end of the material baffle away from the unloading device. The material sorting cylinder is fixed to the upper end of the second frame and above the material sorting fixing plate. The outer end of the material sorting connecting plate is connected to the material sorting cylinder, and the bottom end of the material sorting connecting plate is connected to the material sorting rod. The material sorting rod can move across the upper surface of the belt drive mechanism.

[0010] Preferably, the material unloading device includes a flipping loading mechanism, which is movably connected to the material unloading device near the entrance of the belt drive mechanism; the flipping loading mechanism includes a first frame, a flipping frame, a first connecting shaft, a reducer, a flipping motor and a second connecting shaft, the first frame is close to the input end of the material sorting belt device, the flipping motor is fixed to the inner top of the first frame and is transmission-connected to the reducer and the first connecting shaft, the first connecting shaft is fixedly connected to the outer end of the flip frame, the second connecting shaft is fixed on the first frame symmetrical to the first connecting axis and the second connecting shaft is also fixedly connected to the flip frame.

[0011] Preferably, the screening mechanism includes a second drive motor, a second drive wheel group, a second conveyor chain, an inverted T-shaped slide and at least two slide rails, the slide rails are fixed to the inner bottom of the third frame of the screening mechanism, the second drive motor 35 is fixed to the inner bottom of the third frame and is transmission-connected to the second drive wheel group and the second conveyor chain, the bottom of the slide is fixedly connected to the second conveyor chain and the transport direction of the slide is perpendicular to the running direction of the screening and paving device, the two ends of the upper surface of the slide are slidably connected to the slide rails, and the middle part of the slide passes through the gap between the two slide rails.

[0012] Preferably, the screen pushing mechanism includes a first drive motor, a first drive wheel group, a first conveyor chain and a screen pushing plate. The first drive motor is located above the slide and is transmission-connected to the first drive wheel group and the first conveyor chain. The screen pushing plate is fixed on the conveyor chain and can move close to the entrance of the screen spreading device.

[0013] Preferably, the drape screen supply device further comprises a driving screw, which is located on the left and right sides of the output end of the screen feeding mechanism and is used to lift the drape screen and transport it to the screen pushing mechanism.

[0014] Preferably, the screening and material spreading device includes a third driving wheel group, a fourth frame, a third conveyor chain and a third driving motor. The fourth frame is located below the output end of the material sorting belt device. The fourth frame can be connected with the material sorting belt device and can be connected with the screening pushing mechanism. The third driving motor is fixed on the fourth frame and is transmission-connected with the third driving wheel group and the third conveyor chain.

[0015] Preferably, an intelligent screening method based on an intelligent screening device, wherein the intelligent screening device is the intelligent screening device described above, comprises:

[0016] At least two overlapping screens are placed on the slide rail of the screen feeding mechanism, the driving slide pushes the overlapping screens to the end, and then the driving screw lifts the screens upward until the screens are located at the side end of the screen pushing plate and stop. At this time, the screens are in a ready state.

[0017] Then the material cart loaded with materials is pushed into the turning frame of the turning feeding mechanism, and then the turning motor is driven to rotate the turning frame to pour the materials onto the conveyor belt between the two material partitions, and then transported to the bottom of the material baffle, and then the material baffle will flatten the materials between another set of material partitions; then the material cylinder of the material sorting structure drives the material sorting rod to move back and forth to sort the materials in the material partitions;

[0018] When the material passes the end of the belt drive mechanism, the first drive motor of the screen pushing mechanism starts to move, and the first drive motor drives the first conveyor chain to rotate, so that the screen pushing plate moves the prepared screen toward the screen spreading device; when the material is transported to the end of the belt drive mechanism and falls, the screen is just under the fallen material, so that the material is spread inside the screen; when the previous screen is full of baked materials, the next screen follows the previous screen to catch the fallen baked materials;

[0019] Wherein, the moving speed of the screen pushing plate on the first conveying chain of the screen pushing mechanism is kept synchronous with the speed of the conveyor belt.

[0020] Beneficial effect: After adopting the structure described in the present invention, by overlapping the sieve plates and placing them on the screening mechanism of the equipment and then pushing the trolley containing the baking raw materials onto the unloading device of the equipment, the equipment is operated to perform a series of sorting and laying of the raw materials, thereby completing the material laying process for the sieve, and realizing simple material loading, automatic sieve removal, and material arrangement and laying, thereby reducing the labor intensity of personnel, reducing the configuration of operating personnel, improving the screening quality of products, reducing production costs, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the main structure of an intelligent screening device described in the present invention.

[0022] Figure 2 It is a partial structural diagram of an intelligent screening device described in the present invention.

[0023] Figure 3 It is a schematic top view of a partial structure of an intelligent screening device described in the present invention.

[0024] Figure 4 It is a partially enlarged structural schematic diagram of an intelligent screening device described in the present invention.

[0025] Figure 5 It is a schematic diagram of the structure of the sieving supply device of the intelligent sieving equipment described in the present invention from an upward perspective.

[0026] Figure 6 It is a partially enlarged structural schematic diagram of an intelligent screening device described in the present invention.

[0027] Figure 1-6 1- material unloading device; 2- material sorting belt device; 3- screen feeding device; 4- screen spreading device; 5- screen temporary storage device; 6- belt driving mechanism; 7- material sorting structure; 8- first straight conveying section; 9- inclined conveying section; 10- second straight conveying section; 11- screen pushing mechanism; 12- screen feeding mechanism; 13- flipping feeding mechanism; 14- material cart; 15- first frame; 16- flipping frame; 17- first connecting shaft; 18- reducer; 19- flipping motor; 20- second connecting shaft; 21- conveying motor; 22- conveyor belt; 2 3-Material baffle; 24-Material partition; 25-Conveying roller group; 26-Material sorting fixing plate; 27-Material sorting connecting plate; 28-Material sorting rod; 29-Material sorting cylinder; 30-Second frame; 31-First drive motor; 32-First drive wheel group; 33-First conveyor chain; 34-Screen pusher plate; 35-Second drive motor; 36-Second drive wheel group; 37-Second conveyor chain; 38-Slide plate; 39-Slide rail; 40-Third drive wheel group; 41-Fourth frame; 42-Third conveyor chain; 43-Third drive motor; 44-Drive screw. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but the embodiments do not limit the present invention in any form.

[0029] Example 1:

[0030] like Figure 1-3The intelligent screening equipment shown includes: a material sorting belt device 2, the material sorting belt device 2 includes a belt driving mechanism 6 and a material sorting structure 7, the belt driving mechanism 6 is located in the middle of the material sorting belt device 2, and the material sorting structure 7 is located above the belt driving mechanism 6; a material unloading device 1, located at the entrance of the belt driving mechanism 6; a screening and material spreading device 4, the screening and material spreading device 4 is located at the exit of the material sorting belt device 2; a screening supply device 3, the screening supply device 3 includes a screen pushing mechanism 11 and a screen feeding mechanism 12, the screen feeding mechanism 12 is located below the exit of the material sorting belt device 2, the screen pushing mechanism 11 is located between the screen feeding mechanism 12 and the material sorting belt device 2 and is connected to the screen feeding mechanism 4.

[0031] In this embodiment, the sieve plates are overlapped and placed on the screening mechanism of the equipment, and then the trolley containing the baking raw materials is pushed onto the unloading device of the equipment. The equipment is operated to perform a series of sorting and laying of the raw materials, thereby completing the material laying process for the sieve. It can realize simple loading, automatic sieve removal, and sorting and laying of materials, thereby reducing the labor intensity of personnel, reducing the configuration of operating personnel, improving the screening quality of products, reducing production costs, and improving production efficiency.

[0032] Example 2:

[0033] The other structures are the same as those in Example 1, except that: Figure 1-6 An intelligent screening device is shown, in which the material sorting belt device 2 includes a first straight conveying section 8, an inclined conveying section 9 and a second straight conveying section 10, the two ends of the inclined conveying section 9 are respectively connected to the first straight conveying section 8 and the second straight conveying section 10, and the material sorting structure 7 is fixed on the first straight conveying section 8, and the screening supply device 3 is located below the second straight conveying section 10. By reasonably placing the inclined conveying section in a certain position, a part of the liquid mixed with the material can be effectively guided out, thereby ensuring the dryness of the material to a certain extent.

[0034] Specifically, the belt drive mechanism 6 includes a second frame 30, a conveying motor 21, a conveyor belt 22, a material baffle 23, a material partition 24 and a conveying roller group 25. The conveying motor 21 is fixed to the side end of the second frame 30 and is transmission-connected to the conveying roller group 25. The conveyor belt 22 is connected to the conveying roller group 25. The material partition 24 is connected to the conveyor belt 22. The material baffle 23 is fixed to the inner upper end of the second frame 30 and is close to the unloading device 1. The upper surface of the material baffle 24 during operation can contact the bottom surface of the material baffle 23. The conveyor belt is driven by the conveying motor to stably convey the material, providing a stable foundation for the smoothness of subsequent processes; and the separation of the material baffle and the pushing distribution of the material baffle can make the material as equally distributed as possible, and can also reduce the instability of the material during the conveying process and the outflow to the outside, thereby reducing the loss of material.

[0035] Specifically, the material sorting structure 7 includes a material sorting fixing plate 26, a material sorting connecting plate 27, a material sorting rod 28 and a material sorting cylinder 29. The material sorting fixing plate 26 is fixed to the upper end of the second frame 30 and is located at the side end of the material baffle 23 on the side away from the unloading device 1. The material sorting cylinder 29 is fixed to the upper end of the second frame 30 and above the material sorting fixing plate 26. The outer end of the material sorting connecting plate 27 is connected to the material sorting cylinder 29, and the bottom end of the material sorting connecting plate 27 is connected to the material sorting rod 28. The material sorting rod 28 is movable across the upper surface of the belt drive mechanism 6. The material sorting rod is driven by the material sorting cylinder to move telescopically to sort the raw materials baked on the material partition. At this time, the baked raw materials that have been sorted all flow to the next workstation in the same direction to ensure the smoothness of the process.

[0036] Specifically, the material unloading device 1 includes a flip loading mechanism 13, and the flip loading mechanism 13 is movably connected to the material unloading device 1 near the entrance of the belt drive mechanism 6;

[0037] The flip feeding mechanism 13 includes a first frame 15, a flip frame 16, a first connecting shaft 17, a reducer 18, a flip motor 19 and a second connecting shaft 20. The first frame 15 is close to the input end of the material sorting belt device 2. The flip motor 19 is fixed to the inner top of the first frame 15 and is transmission-connected to the reducer 18 and the first connecting shaft 17. The first connecting shaft 17 is fixedly connected to the outer end of the flip frame 16. The second connecting shaft 20 is fixed on the first frame 15 symmetrical to the first connecting shaft 17 and the second connecting shaft 20 is also fixedly connected to the flip frame 16. The flip frame is driven by the flip motor to quickly and flexibly transport the material to the material sorting belt device, thereby further improving the loading efficiency and reducing the manpower input.

[0038] Specifically, the screening mechanism 12 includes a second drive motor 35, a second drive wheel group 36, a second conveyor chain 37, an inverted T-shaped slide 38 and at least two slide rails 39, the slide rails 39 are fixed to the inner bottom of the third frame of the screening mechanism 12, the second drive motor 35 is fixed to the inner bottom of the third frame and is transmission-connected to the second drive wheel group 36 and the second conveyor chain 37, the bottom of the slide 38 is fixedly connected to the second conveyor chain 37 and the transport direction of the slide 38 is perpendicular to the running direction of the sieve spreading device 4, the upper surface ends of the slide 38 are slidably connected to the slide rails 39, the middle part of the slide 38 passes through the gap between the two slide rails 39, and the movement of the slide driven by the second drive motor can push the sieve to be transported at a certain speed, and the mutual support and cooperation between the slide rails and the slide can further improve the stability of the push of the sieve;

[0039] Specifically, the screen pushing mechanism 11 includes a first drive motor 31, a first drive wheel group 32, a first conveyor chain 33 and a screen pushing plate 34. The first drive motor 31 is located above the slide 38 and is in transmission connection with the first drive wheel group 32 and the first conveyor chain 33. The screen pushing plate 34 is fixed on the conveyor chain 33 and can move close to the entrance of the screen spreading device 4.

[0040] Specifically, the drape screen supply device 3 further includes a driving screw 44, which is located on the left and right sides of the output end of the sieve feeding mechanism 12, and is used to lift the drape screen and transport it to the sieve pushing mechanism;

[0041] Specifically, the sieving and spreading device 4 includes a third driving wheel group 40, a fourth frame 41, a third conveying chain 42 and a third driving motor 43. The fourth frame 41 is located below the output end of the material sorting belt device 2. The fourth frame 41 can be connected with the material sorting belt device 2 and can be connected with the sieve pushing mechanism 11. The third driving motor 43 is fixed on the fourth frame 41 and is transmission-connected with the third driving wheel group 40 and the third conveying chain 42. The sieving and spreading device can stably receive and convey the sieve, and can accurately and stably receive the material conveyed by the material sorting belt device into the sieve, thereby improving the conveying efficiency and reducing the input of manpower and material resources.

[0042] Example 3:

[0043] According to an embodiment of the present invention, an intelligent screening method using an intelligent screening device is the intelligent screening device described in the aforementioned embodiment of the present invention. The intelligent screening method includes: overlapping at least two screening screens on the slide rail of the screening feeding mechanism, driving the slide plate 38 to push the overlapping screening screens to the end, and then driving the screw rod 44 to lift the screening screens upward until the screening screens are located at the side ends of the screen pushing plate 34 and stop. At this time, the screening screens are in a ready state.

[0044] Then the material cart 14 loaded with materials is pushed into the turning frame 16 of the turning feeding mechanism 13, and then the turning motor 19 is driven to rotate the turning frame 16 to pour the materials onto the conveyor belt 22 between the two material partitions 24, and then transported to the bottom of the material baffle 23, and then the material baffle 23 flattens the materials between another set of material partitions 24; then the material cylinder 29 of the material sorting structure 7 drives the material sorting rod 28 to move back and forth to sort the materials located in the material partitions 24;

[0045] When the material passes the end of the belt drive mechanism 6, the first drive motor 31 of the screen pushing mechanism 11 starts to move, and the first drive motor 31 drives the first conveyor chain 33 to rotate, so that the screen pushing plate 34 moves the prepared screen toward the screen spreading device 4; when the material is transported to the end of the belt drive mechanism 6 and falls, the screen is just below the fallen material, so that the material is spread inside the screen; when the previous screen is full of baked material, the next screen follows the previous screen to catch the fallen baked material;

[0046] The moving speed of the screen pushing plate 34 on the first conveying chain 33 of the screen pushing mechanism 11 is synchronized with the speed of the conveyor belt 22 .

[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings and the terms "first" and "second", which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0048] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0049] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be included within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0050] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An intelligent screening device, characterized in that: include: A material sorting belt device, comprising a belt drive mechanism and a material sorting structure, wherein the belt drive mechanism is located in the middle of the material sorting belt device, and the material sorting structure is located above the belt drive mechanism; The material unloading device is located at the entrance of the belt drive mechanism; A sieving and spreading device, which is located at the outlet of the material handling belt device; The sieve feeding device includes a sieve pushing mechanism and a sieve feeding mechanism. The sieve feeding mechanism is located below the outlet of the material handling belt device. The sieve pushing mechanism is located between the sieve feeding mechanism and the material handling belt device and is connected to the sieve spreading device. The screening mechanism includes a second drive motor, a second drive wheel group, a second conveyor chain, an inverted T-shaped slide and at least two slide rails, the slide rails are fixed to the inner bottom of the third frame of the screening mechanism, the second drive motor is fixed to the inner bottom of the third frame and is transmission-connected to the second drive wheel group and the second conveyor chain, the bottom of the slide is fixedly connected to the second conveyor chain and the transport direction of the slide is perpendicular to the running direction of the screening and paving device, the two ends of the upper surface of the slide are slidingly connected to the slide rails, and the middle part of the slide passes through the gap between the two slide rails; the screen pushing mechanism includes a first drive motor, a first drive wheel group, a first conveyor chain and a screen pushing plate, the first drive motor is located above the slide plate and is transmission-connected to the first drive wheel group and the first conveyor chain, the screen pushing plate is fixed on the conveyor chain and the screen pushing plate can move close to the entrance of the screening and paving device.

2. The intelligent screening device according to claim 1, characterized in that: The material sorting belt device includes a first straight conveying section, an inclined conveying section and a second straight conveying section. The two ends of the inclined conveying section are respectively connected to the first straight conveying section and the second straight conveying section, and the material sorting structure is fixed on the first straight conveying section. The screening supply device is located below the second straight conveying section.

3. The intelligent screening device according to claim 1, characterized in that: The belt drive mechanism includes a second frame, a conveying motor, a conveyor belt, a material baffle, a material partition and a conveying roller group. The conveying motor is fixed to the side end of the second frame and is transmission-connected to the conveying roller group. The conveyor belt is connected to the conveying roller group. The material partition is connected to the conveyor belt. The material baffle is fixed to the inner upper end of the second frame and is close to the unloading device, and the upper surface of the material partition can contact the bottom surface of the material baffle during operation.

4. The intelligent screening device according to claim 3, characterized in that: The material sorting structure includes a material sorting fixing plate, a material sorting connecting plate, a material sorting rod and a material sorting cylinder. The material sorting fixing plate is fixed to the upper end of the second frame and is located at the side end of the material baffle away from the unloading device. The material sorting cylinder is fixed to the upper end of the second frame and above the material sorting fixing plate. The outer end of the material sorting connecting plate is connected to the material sorting cylinder, and the bottom end of the material sorting connecting plate is connected to the material sorting rod. The material sorting rod can move across the upper surface of the belt drive mechanism.

5. The intelligent screening device according to claim 1, characterized in that: The material unloading device includes a flipping and loading mechanism, which is movably connected to the material unloading device near the entrance of the belt drive mechanism; the flipping and loading mechanism includes a first frame, a flipping frame, a first connecting shaft, a reducer, a flipping motor and a second connecting shaft. The first frame is close to the input end of the material sorting belt device, the flipping motor is fixed to the inner top of the first frame and is transmission-connected to the reducer and the first connecting shaft. The first connecting shaft is fixedly connected to the outer end of the flip frame. The second connecting shaft is fixed on the first frame symmetrical to the first connecting axis and the second connecting shaft is also fixedly connected to the flip frame.

6. The intelligent screening device according to claim 1, characterized in that: The drape screen supply device also includes a driving screw rod, which is located on the left and right sides of the output end of the screen feeding mechanism and is used to lift the drape screen and transport it to the screen pushing mechanism.

7. The intelligent screening device according to claim 1, characterized in that: The screening and material spreading device includes a third driving wheel group, a fourth frame, a third conveyor chain and a third driving motor. The fourth frame is located below the output end of the material sorting belt device. The fourth frame can be connected with the material sorting belt device and can be connected with the screening pushing mechanism. The third driving motor is fixed on the fourth frame and is transmission-connected with the third driving wheel group and the third conveyor chain.

8. An intelligent screening method based on intelligent screening equipment, characterized in that: The intelligent screening device is the intelligent screening device according to any one of claims 1 to 7, and the method comprises: At least two overlapping screens are placed on the slide rail of the screen feeding mechanism, the driving slide pushes the overlapping screens to the end, and then the driving screw lifts the screens upward until the screens are located at the side end of the screen pushing plate and stop. At this time, the screens are in a ready state. Then the material cart loaded with materials is pushed into the turning frame of the turning feeding mechanism, and then the turning motor is driven to rotate the turning frame to pour the materials onto the conveyor belt between the two material partitions, and then transported to the bottom of the material baffle, and then the material baffle will flatten the materials between another set of material partitions; then the material cylinder of the material sorting structure drives the material sorting rod to move back and forth to sort the materials in the material partitions; When the material passes the end of the belt drive mechanism, the first drive motor of the screen pushing mechanism starts to move, and the first drive motor drives the first conveyor chain to rotate, so that the screen pushing plate moves the prepared screen toward the screen spreading device; when the material is transported to the end of the belt drive mechanism and falls, the screen is just under the fallen material, so that the material is spread inside the screen; when the previous screen is full of baked materials, the next screen follows the previous screen to catch the fallen baked materials; Wherein, the moving speed of the screen pushing plate on the first conveying chain of the screen pushing mechanism is kept synchronous with the speed of the conveyor belt.

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