Automatic material supply device based on industrial automatic control system and use method of automatic material supply device

Abstract

The invention relates to an automatic material supply device based on an industrial automatic control system and a using method thereof. The invention belongs to the technical field of material supply. Comprising a feeding machine, and a pulverizer, a sliding block, a metal adsorption assembly, a filtering assembly and a feeding box are arranged in an inner cavity of the feeding machine from top to bottom; the metal adsorption assembly comprises a roller arranged in an inner cavity of the feeding machine, rotating plates are evenly installed on the outer side wall of the roller, and switch magnets are arranged at the ends, away from the roller, of the rotating plates. Automatic crushing, conveying and metal adsorption of materials are achieved, the automation degree and efficiency of material treatment are greatly improved, and the labor cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic material supply, and specifically to an automatic material supply device based on an industrial automatic control system and a method of using the same. Background Art

[0002] In traditional industrial automatic control systems, material automatic feeding devices usually include components such as crushers, conveying mechanisms, and feed boxes. However, these traditional methods have certain shortcomings when processing materials, such as low crushing efficiency, difficulty in effectively separating metal impurities, and poor material filtration effects. These problems not only affect production efficiency, but may also cause equipment wear and deteriorate product quality.

[0003] Therefore, an automatic material supply device based on an industrial automatic control system and a method of using the same are proposed to solve the above-mentioned drawbacks. Summary of the invention

[0004] The purpose of the present invention is to provide a circular lithium battery top cover welding device with simple structure and reasonable design in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] An automatic material supply device based on an industrial automatic control system comprises a feeder, wherein the inner cavity of the feeder is provided with a crusher, a slider, a metal adsorption component, a filter component and a feed box from top to bottom; the metal adsorption component comprises a roller arranged in the inner cavity of the feeder, a rotating plate is evenly installed on the outer wall of the roller, a switch magnet is arranged at the end of the rotating plate away from the roller, a limit disk is arranged on the outer wall of the rotating plate, a control end of the switch magnet passes through the limit disk and is connected to a second gear, a torsion spring is arranged on the outer wall of the control end of the switch magnet, and both ends of the torsion spring are respectively connected to the limit disk and the second gear, and a first gear matched with the second gear is arranged in the inner cavity of the feeder.

[0007] As a further optimization scheme of the present invention, the inner cavity of the rotating plate is bored with an installation groove, the inner cavity of the installation groove is evenly bored with limit holes, the inner cavity of the installation groove is movably equipped with a push rod, limit buttons are installed on both sides of the push rod, and the limit buttons are adapted to the limit holes.

[0008] As a further optimization scheme of the present invention, the inner cavity of the rotating plate is evenly rotated and connected with a spreading rod, a third gear is provided through the mounting groove at the top of the spreading rod, and a rack matched with the third gear is fixedly provided on the outer wall of the push rod.

[0009] As a further optimization solution of the present invention, the outer side wall of the rotating plate is rotatably connected with a baffle, and a limiting groove is cut on the outer side of the rotating plate, and the baffle is located in the limiting groove.

[0010] As a further optimization scheme of the present invention, a cylinder is provided on the outer wall of the feeder, an output end of the cylinder is connected to a push frame, a limiting frame is provided on the outer wall of the feeder, and the push frame is located in the inner cavity of the limiting frame.

[0011] As a further optimization solution of the present invention, both sides of the push rod penetrate the inner cavity of the feeder and are adapted to the push rod.

[0012] As a further optimization solution of the present invention, a fixing groove is bored on the outer side wall of the feeder, a conveying plate is installed in the inner cavity of the fixing groove, and the conveying plate is adapted to the rotating plate.

[0013] As a further optimization solution of the present invention, the filter assembly includes a filter screen arranged in the inner cavity of the feeder, and an installation auxiliary plate is provided on the inner side wall of the feeder, and the installation auxiliary plate is located at the bottom of the filter screen.

[0014] As a further optimization scheme of the present invention, the feeder and the filter screen are both provided with through holes, the inner cavities of the two groups of through holes are provided with connecting rods, and limiting nuts are provided on both sides of the connecting rods.

[0015] The present invention also discloses a method for using an automatic material supply device based on an industrial automatic control system, comprising the following steps:

[0016] Material crushing, first the waste wood blocks are transported to the crusher through the conveying mechanism for crushing, and the crushed wood chips slide through the slider to the middle of the inner cavity of the feeder;

[0017] Material metal adsorption, when wood chips enter the middle of the inner cavity of the feeder, the driving motor drives the roller to rotate, and the roller drives the rotating plate to rotate during the rotation. When the rotating plate rotates clockwise, the crushed wood chips slide off the surface of the rotating plate, and the switch magnet is in the on state, thereby adsorbing the metal inside the wood chips. The adsorbed metal adheres to the surface of the switch magnet and drives the switch magnet to rotate through the rotating plate. When the second gear set at the control end of the switch magnet meshes with the first gear, since the first gear is fixed, the second gear rotates on its own, and the second gear When the wheel rotates, it drives the control end of the switch magnet to rotate, thereby turning off the magnetic force of the switch magnet. At this time, the switch magnet is located on the top of the conveying plate. After the switch magnet is turned off, the adsorption without magnetic force attached to the surface falls into the inner cavity of the conveying plate. The conveying plate is set at an angle, and slides to the outside of the feeder through the conveying plate, so as to facilitate the recycling of the recovered metal. When the second gear is disengaged from the first gear, the limit plate cooperates with the torsion spring to drive the second gear to reset, so that the switch magnet starts magnetic force to adsorb the metal inside the wood chips for the second time.

[0018] Filtering and spreading, when wood chips fall onto the filter screen, the drum is rotated clockwise, and the drum drives the rotating plate to rotate during the rotation. The rotating plate moves the crushed wood chips to spread the materials during the selection process. Through the setting of the spreading rod, during the spreading process, since the switch magnet is set in a trapezoidal shape, the wood chips pass through the spreading rod through the switch magnet, thereby finely spreading the wood chips. Fine spreading is to facilitate the adsorption of metals in the wood chips. After fine spreading, the wood chips exert force on the baffle, so that the baffle opens, and the wood chips are transported to the filter screen again for filtration through the filter screen. During the fine spreading process, some larger wood chips will be pushed to the upper part of the filter screen. After the fine spreading is completed, the start The output end of the cylinder pushes the push frame to move forward, and the push frame pushes the push rod forward in the process of moving forward, and the push rod drives the rack to move in the process of moving forward, and the rack drives the third gear to rotate ninety degrees in the process of moving forward, so that the gap between the two sets of spreading rods becomes larger, and some larger wood chips are spread. Two different spreading methods are used to adsorb different wood chips. The push plate can be limited by the setting of the limit button and the limit hole. When the rotating plate rotates counterclockwise, the baffle is in a sealed state, which can effectively push the wood chips that cannot be filtered by the filter screen to flow out of the discharge port for secondary crushing.

[0019] Disassembly and assembly of the filter screen: when the filter screen is used for a long time, the nuts on both sides of the connecting rod are disassembled by tools, and then the connecting rod is pulled out. At this time, the filter screen is separated from the feeder, and the filter screen is taken out and replaced through the discharge port. When the filter screen needs to be installed, it enters through the discharge port. When it contacts the installation auxiliary plate, it only needs to push the filter screen into the slot, and insert the connecting rod into the through hole set in the filter screen to fix the filter screen. A vibration pump is set at the bottom of the filter screen, and the setting of the vibration pump facilitates vibration screening;

[0020] Material supply, the filtered wood chips are transported to the next processing flow through the feed box.

[0021] The beneficial effects of the present invention are:

[0022] 1. The present invention realizes automatic crushing, conveying and metal adsorption of materials through the coordinated work of components such as a crusher, a slider, and a metal adsorption component arranged in the inner cavity of the feeder, which greatly improves the automation and efficiency of material processing and reduces labor costs.

[0023] 2. The coordinated design of the rotating plate and the switch magnet of the present invention makes the metal adsorption process more efficient. The meshing of the control end of the switch magnet with the first gear makes the opening and closing of the magnet more precise, effectively improving the metal adsorption rate.

[0024] 3. The present invention realizes uniform material spreading through the design of the rotating plate and the material spreading rod, so that the material is distributed more evenly on the filter screen, thereby improving the filtering efficiency.

[0025] 4. The present invention realizes precise control of the push rod by setting the push rod, the limit button and the limit hole, making the operation easier and reducing the possibility of operating errors.

[0026] 5. The present invention is applicable to the automatic supply of various materials, not only limited to sawdust processing, but also applicable to the automatic supply of materials in other industries, and has wide applicability and market prospects.

[0027] 6. The present invention has shown remarkable beneficial effects in improving production efficiency, reducing production costs, optimizing material processing effects, enhancing operation convenience, improving equipment stability, environmental protection and energy saving, and improving production safety, and has high practical value and broad market application prospects; BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the automatic material supply device based on the industrial automatic control system of the present invention;

[0029] Figure 2 It is a cross-sectional view of the automatic material supply device based on the industrial automatic control system of the present invention;

[0030] Figure 3 It is a schematic diagram of the filter screen structure of the present invention;

[0031] Figure 4 It is a schematic diagram of the push rod structure of the present invention;

[0032] Figure 5 It is a schematic diagram of the drum structure of the present invention;

[0033] Figure 6 The present invention Figure 2 A magnified view of part A;

[0034] Figure 7 The present invention Figure 3 A magnified view of part B;

[0035] Figure 8 is a cross-sectional view of a rotating plate of the present invention;

[0036] Fig. 9 It is a schematic diagram of the structure of the material spreading rod of the present invention;

[0037] Fig.10 The present invention Figure 4 Enlarged view of part C.

[0038] In the figure: 1. feeder; 11. first gear; 12. limit frame; 2. crusher; 3. slider; 4. roller; 41. rotating plate; 411. mounting groove; 412. limit hole; 42. baffle; 43. switch magnet; 431. limit plate; 432. torsion spring; 433. second gear; 44. spreading rod; 441. third gear; 45. push rod; 451. limit button; 452. rack; 5. conveyor plate; 6. filter screen; 61. mounting auxiliary plate; 62. connecting rod; 7. feed box; 8. push rod; 81. cylinder. DETAILED DESCRIPTION

[0039] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0040] like Figures 1 to 10As shown, an automatic material supply device based on an industrial automatic control system includes a feeder 1, the inner cavity of the feeder 1 is respectively provided with a crusher 2, a slider 3, a metal adsorption component, a filter component and a feed box 7 from top to bottom; the metal adsorption component includes a roller 4 arranged in the inner cavity of the feeder 1, the outer wall of the roller 4 is evenly installed with a rotating plate 41, a switch magnet 43 is arranged at the end of the rotating plate 41 away from the roller 4, a limit plate 431 is arranged on the outer wall of the rotating plate 41, the control end of the switch magnet 43 passes through the limit plate 431 and is connected to a second gear 433, a torsion spring 432 is arranged on the outer wall of the control end of the switch magnet 43, and the two ends of the torsion spring 432 are respectively connected to the limit plate 431 and the second gear 433, the inner cavity of the feeder 1 is provided with a first gear 11 adapted to the second gear 433, the inner cavity of the rotating plate 41 is drilled with a mounting groove 411, the inner cavity of the mounting groove 411 is evenly drilled with a limiting hole 412, and the mounting groove 41 1 is movably provided with a push rod 45, and limit buttons 451 are installed on both sides of the push rod 45, and the limit buttons 451 are adapted to the limit holes 412. The inner cavity of the rotating plate 41 is evenly rotatably connected with a spreading rod 44, and the top of the spreading rod 44 is provided with a third gear 441 through the mounting groove 411, and the outer wall of the push rod 45 is fixedly provided with a rack 452 adapted to the third gear 441, and the outer wall of the rotating plate 41 is rotatably connected with a baffle 42, and the rotating plate 4 1 is provided with a limiting groove on the outer side, and the baffle 42 is located in the limiting groove. A cylinder 81 is provided on the outer wall of the feeder 1, and the output end of the cylinder 81 is connected to the push frame 8. A limiting frame 12 is provided on the outer wall of the feeder 1, and the push frame 8 is located in the inner cavity of the limiting frame 12. Both sides of the push rod 45 pass through the inner cavity of the feeder 1 and are adapted to the push rod 45. A fixed groove is provided on the outer wall of the feeder 1, and a conveying plate 5 is installed in the inner cavity of the fixed groove, and the conveying plate 5 is adapted to the rotating plate 41.

[0041] During operation, when wood chips enter the middle of the inner cavity of the feeder 1, the roller 4 is driven to rotate by the driving motor. During the rotation, the roller 4 drives the rotating plate 41 to rotate. When the rotating plate 41 rotates clockwise, the crushed wood chips slide off the surface of the rotating plate 41. The switch magnet 43 is in the on state, thereby adsorbing the metal inside the wood chips. The adsorbed metal adheres to the surface of the switch magnet 43 and is driven to rotate by the rotating plate 41. When the second gear 433 set at the control end of the switch magnet 43 is meshed with the first gear 11, since the first gear 11 is fixed, the second gear 433 is rotated. When the second gear 433 rotates, it drives the switch magnet The control end of 43 rotates, thereby turning off the magnetic force of the switch magnet 43. At this time, the switch magnet 43 is located at the top of the conveying plate 5. After the switch magnet 43 is turned off, the adsorption without magnetic force attached to the surface falls into the inner cavity of the conveying plate 5. The conveying plate 5 is set to be inclined, and it slides to the outside of the feeder 1 through the conveying plate 5, so as to facilitate the recycling of the recovered metal. When the second gear 433 is disengaged from the first gear 11, the limit plate 431 cooperates with the torsion spring 432 to drive the second gear 433 to reset, so that the switch magnet 43 starts magnetic force to perform secondary adsorption on the metal inside the wood chips. When the wood chips fall onto the filter screen 6, the roller 4 is rotated clockwise. The drum 4 drives the rotating plate 41 to rotate during the rotation process. The rotating plate 41 moves the crushed wood chips to spread the materials during the selection process. Through the setting of the spreading rod 44, since the switch magnet 43 is set in a trapezoidal shape during the spreading process, the wood chips pass through the spreading rod 44 through the switch magnet 43, thereby finely spreading the wood chips. Fine spreading is convenient for adsorbing the metal in the wood chips. After fine spreading, the wood chips exert force on the baffle 42, so that the baffle 42 opens, and the wood chips are transported to the filter screen 6 again, and filtered through the filter screen 6. During the fine spreading process, some larger wood chips will be pushed to the upper part of the filter screen 6. After the fine spreading is completed, the cylinder 81 is started, and the output end of the cylinder 81 pushes the push frame 8 Move forward, the pushing frame 8 pushes the push rod 45 to move forward during the forward movement, and the push rod 45 drives the rack 452 to move during the forward movement, and the rack 452 drives the third gear 441 to rotate ninety degrees during the forward movement, so that the direct gap between the two sets of spreading rods 44 becomes larger, and some larger wood chips are spread. Different wood chips are adsorbed through two different spreading methods, and the push plate 45 can be limited by the setting of the limit button 451 and the limit hole 412. When the rotating plate 41 rotates counterclockwise, the baffle 42 is in a sealed state, which can effectively push the wood chips that cannot be filtered by the filter screen 6 to flow out from the discharge port for secondary crushing processing.

[0042] Furthermore, the filter assembly includes a filter screen 6 arranged in the inner cavity of the feeder 1, and an installation auxiliary plate 61 is provided on the inner side wall of the feeder 1. The installation auxiliary plate 61 is located at the bottom of the filter screen 6. The feeder 1 and the filter screen 6 are both provided with through holes, and the inner cavities of the two groups of through holes are provided with connecting rods 62, and limiting nuts are provided on both sides of the connecting rod 62.

[0043] Specifically, when the filter screen 6 is used for a long time, the nuts on both sides of the connecting rod 62 are disassembled by tools, and then the connecting rod 62 is pulled out. At this time, the filter screen 6 is separated from the feeder 1, and the filter screen 6 is taken out and replaced through the discharge port. When the filter screen 6 needs to be installed, it enters through the discharge port and contacts the installation auxiliary plate 61. It only needs to push the filter screen 6 into the card slot, and insert the connecting rod 62 into the through hole set in the filter screen 6, as shown in FIG. Fig.10 As shown, the filter screen 6 is fixedly installed, and a vibration pump is arranged at the bottom of the filter screen 6, so that vibration screening can be performed conveniently.

[0044] The present invention also discloses a method for using an automatic material supply device based on an industrial automatic control system, comprising the following steps:

[0045] Material crushing, first the waste wood blocks are transported to the crusher 2 through the conveying mechanism for crushing, and the crushed wood chips slide through the slider 3 to the middle of the inner cavity of the feeder 1;

[0046] Material metal adsorption, when wood chips enter the middle of the inner cavity of the feeder 1, the roller 4 is driven to rotate by the driving motor, and the roller 4 drives the rotating plate 41 to rotate during the rotation process. When the rotating plate 41 rotates clockwise, the crushed wood chips slide off the surface of the rotating plate 41, and the switch magnet 43 is in the open state, thereby adsorbing the metal inside the wood chips. The adsorbed metal adheres to the surface of the switch magnet 43, and the switch magnet 43 is driven to rotate by the rotating plate 41. When the second gear 433 set at the control end of the switch magnet 43 is engaged with the first gear 11, since the first gear 11 is fixed, the second gear 433 rotates, and the second gear When 433 rotates, it drives the control end of the switch magnet 43 to rotate, thereby turning off the magnetic force of the switch magnet 43. At this time, the switch magnet 43 is located at the top of the conveying plate 5. After the switch magnet 43 is turned off, the adsorption without magnetic force attached to the surface falls into the inner cavity of the conveying plate 5. The conveying plate 5 is set to be inclined, and it slides to the outside of the feeder 1 through the conveying plate 5, so as to facilitate the recycling of the recovered metal. When the second gear 433 is disengaged from the first gear 11, the limit plate 431 cooperates with the torsion spring 432 to drive the second gear 433 to reset, so that the switch magnet 43 starts to use magnetic force to adsorb the metal inside the wood chips for the second time.

[0047] Filtering and spreading the material, when the wood chips fall onto the filter screen 6, the drum 4 is rotated clockwise, and the drum 4 drives the rotating plate 41 to rotate during the rotation. The rotating plate 41 moves the crushed wood chips to spread the material during the selection process. Through the setting of the spreading rod 44, during the spreading process, since the switch magnet 43 is set in a trapezoidal shape, the wood chips pass through the spreading rod 44 through the switch magnet 43, thereby finely spreading the wood chips. Fine spreading is convenient for adsorbing the metal in the wood chips. After fine spreading, the wood chips exert force on the baffle 42, so that the baffle 42 opens, and the wood chips are transported to the filter screen 6 again, and filtered through the filter screen 6. During the fine spreading process, some larger wood chips will be pushed to the upper part of the filter screen 6. After the fine spreading is completed, the cylinder 81 is started. The output end of the cylinder 81 pushes the push frame 8 to move forward, and the push frame 8 pushes the push rod 45 to move forward during the forward movement. The push rod 45 drives the rack 452 to move during the forward movement. The rack 452 drives the third gear 441 to rotate ninety degrees during the forward movement, so that the gap between the two groups of spreading rods 44 becomes larger, and some larger wood chips are spread. The two different spreading methods are used to adsorb different wood chips. The push plate 45 can be limited by the setting of the limit button 451 and the limit hole 412. When the rotating plate 41 rotates counterclockwise, the baffle 42 is in a sealed state, which can effectively push the wood chips that cannot be filtered by the filter screen 6 to flow out from the discharge port for secondary crushing.

[0048] Disassembly and assembly of the filter screen: when the filter screen 6 is used for a long time, the nuts on both sides of the connecting rod 62 are disassembled by tools, and then the connecting rod 62 is pulled out. At this time, the filter screen 6 is separated from the feeder 1, and the filter screen 6 is taken out and replaced through the discharge port. When the filter screen 6 needs to be installed, it enters through the discharge port, and when it contacts the installation auxiliary plate 61, it only needs to push the filter screen 6 into the card slot, and insert the connecting rod 62 into the through hole set in the filter screen 6 to fix the filter screen 6. A vibration pump is set at the bottom of the filter screen 6, and the vibration pump is set to facilitate vibration screening;

[0049] Material supply, the filtered wood chips are transported to the next processing flow through the feed box 7.

[0050] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims

1. An automatic material supply device based on an industrial automatic control system, comprising a feeder (1), wherein the inner cavity of the feeder (1) is respectively provided with a crusher (2), a slider (3), a metal adsorption component, a filter component and a feed box (7) from top to bottom; the metal adsorption component comprises a roller (4) arranged in the inner cavity of the feeder (1), the outer side wall of the roller (4) is evenly installed with a rotating plate (41), and the end of the rotating plate (41) away from the roller (4) is provided with a switch magnet (43 ), a limit plate (431) is arranged on the outer wall of the rotating plate (41), a control end of the switch magnet (43) passes through the limit plate (431) and is connected to a second gear (433), a torsion spring (432) is arranged on the outer wall of the control end of the switch magnet (43), two ends of the torsion spring (432) are respectively connected to the limit plate (431) and the second gear (433), and a first gear (11) matched with the second gear (433) is arranged in the inner cavity of the feeder (1).

2. According to claim 1, the material automatic supply device based on the industrial automatic control system is characterized in that: The inner cavity of the rotating plate (41) is provided with a mounting groove (411), the inner cavity of the mounting groove (411) is evenly provided with limit holes (412), a push rod (45) is movably installed in the inner cavity of the mounting groove (411), limit buttons (451) are installed on both sides of the push rod (45), and the limit buttons (451) are adapted to the limit holes (412).

3. The material automatic supply device based on the industrial automatic control system according to claim 2 is characterized in that: The inner cavity of the rotating plate (41) is evenly rotatably connected to a material spreading rod (44), the top of which passes through the mounting groove (411) and is provided with a third gear (441), and the outer side wall of the push rod (45) is fixedly provided with a rack (452) adapted to the third gear (441).

4. The material automatic supply device based on the industrial automatic control system according to claim 1 is characterized by: The outer side wall of the rotating plate (41) is rotatably connected with a baffle plate (42), and a limiting groove is cut on the outer side of the rotating plate (41), and the baffle plate (42) is located in the limiting groove.

5. The material automatic supply device based on the industrial automatic control system according to claim 2 is characterized in that: The outer wall of the feeder (1) is provided with a cylinder (81), the output end of the cylinder (81) is connected to a push frame (8), the outer wall of the feeder (1) is provided with a limit frame (12), and the push frame (8) is located in the inner cavity of the limit frame (12).

6. The material automatic supply device based on the industrial automatic control system according to claim 5 is characterized in that: Both sides of the push rod (45) penetrate the inner cavity of the feeder (1) and are adapted to fit the push rod (45).

7. The material automatic supply device based on the industrial automatic control system according to claim 1 is characterized by: The outer wall of the feeder (1) is provided with a fixing groove, the inner cavity of the fixing groove is provided with a conveying plate (5), and the conveying plate (5) is adapted to the rotating plate (41).

8. The material automatic supply device based on the industrial automatic control system according to claim 1 is characterized by: The filter assembly comprises a filter screen (6) arranged in the inner cavity of the feeder (1); an inner side wall of the feeder (1) is provided with a mounting auxiliary plate (61), and the mounting auxiliary plate (61) is located at the bottom of the filter screen (6).

9. The automatic material supply device based on an industrial automatic control system according to claim 8, characterized in that: The feeder (1) and the filter screen (6) are both provided with through holes, and the inner cavities of the two groups of through holes are provided with connecting rods (62), and limiting nuts are provided on both sides of the connecting rods (62).

10. A method for using an automatic material supply device based on an industrial automatic control system, comprising the automatic material supply device based on an industrial automatic control system as claimed in any one of claims 1 to 9, and further comprising the following steps: Material crushing: first, the discarded wood blocks are transported to the crusher (2) through a conveying mechanism for crushing, and the crushed wood chips slide through a slider (3) to the middle of the inner cavity of the feeder (1); Material metal adsorption, when wood chips enter the middle of the inner cavity of the feeder (1), the roller (4) is driven to rotate by the driving motor, and the roller (4) drives the rotating plate (41) to rotate during the rotation process. When the rotating plate (41) rotates clockwise, the crushed wood chips slide off the surface of the rotating plate (41), and the switch magnet (43) is in the open state, thereby adsorbing the metal inside the wood chips. The adsorbed metal adheres to the surface of the switch magnet (43), and the switch magnet (43) is driven to rotate through the rotating plate (41). When the second gear (433) set at the control end of the switch magnet (43) is meshed with the first gear (11), since the first gear (11) is fixed, the second gear (433) rotates on its own, and the second gear ( When the second gear (433) rotates, it drives the control end of the switch magnet (43) to rotate, thereby turning off the magnetic force of the switch magnet (43). At this time, the switch magnet (43) is located at the top of the conveying plate (5). After the switch magnet (43) is turned off, the adsorption without magnetic force attached to the surface falls into the inner cavity of the conveying plate (5). The conveying plate (5) is inclined and slides to the outside of the feeder (1) through the conveying plate (5), so as to facilitate the recycling of the recovered metal. When the second gear (433) is disengaged from the first gear (11), the limit plate (431) cooperates with the torsion spring (432), thereby driving the second gear (433) to reset, so that the switch magnet (43) starts to use magnetic force to adsorb the metal inside the wood chips for the second time; Filtering and spreading the material, when the wood chips fall onto the filter screen (6), the drum (4) is rotated clockwise. During the rotation, the drum (4) drives the rotating plate (41) to rotate. During the selection process, the rotating plate (41) moves the crushed wood chips to spread the material. Through the setting of the spreading rod (44), during the spreading process, since the switch magnet (43) is set in a trapezoidal shape, the wood chips pass through the spreading rod (44) through the switch magnet (43), thereby finely spreading the wood chips. Fine spreading is convenient for adsorbing metal in the wood chips. After fine spreading, the wood chips exert force on the baffle (42), so that the baffle (42) opens, and the wood chips are transported to the filter screen (6) again, and filtered through the filter screen (6). During the fine spreading process, some larger wood chips will be pushed to the upper part of the filter screen (6). After the fine spreading is completed, the cylinder (81) is started. The output end of the cylinder (81) pushes the push frame (8) to move forward, and the push frame (8) pushes the push rod (45) to move forward in the process of moving forward. The push rod (45) drives the rack (452) to move in the process of moving forward. The rack (452) drives the third gear (441) to rotate ninety degrees in the process of moving forward, so that the gap between the two groups of spreading rods (44) becomes larger, and some larger wood chips are spread. The two different spreading methods are used to adsorb different wood chips. The push plate (45) can be limited by the setting of the limit button (451) and the limit hole (412). When the rotating plate (41) rotates counterclockwise, the baffle (42) is in a sealed state, which can effectively push the wood chips that cannot be filtered by the filter screen (6) to flow out from the discharge port for secondary crushing. The filter screen is disassembled and assembled. When the filter screen (6) is used for a long time, the nuts on both sides of the connecting rod (62) are removed by tools, and then the connecting rod (62) is pulled out. At this time, the filter screen (6) is separated from the feeder (1), and the filter screen (6) is taken out and replaced through the discharge port. When the filter screen (6) needs to be installed, it enters through the discharge port and contacts the installation auxiliary plate (61). It is only necessary to push the filter screen (6) into the slot, and insert the connecting rod (62) into the through hole set in the filter screen (6) to fix the filter screen (6). A vibration pump is set at the bottom of the filter screen (6), and the setting of the vibration pump facilitates vibration screening. Material supply, the filtered wood chips are transported to the next processing flow through the supply box (7).

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