阅读说明：本技术 一种废旧塑料分类回收装置以及方法 (Waste plastic classification recovery device and method ) 是由 陈俊青 陈军 张丽萍 于 2021-08-04 设计创作，主要内容包括：本发明公开了一种废旧塑料分类回收装置,包括回收箱和输料架,输料架位于回收箱的正面,回收箱的顶部设置有进料斗,涉及回收装置技术领域。通过在回收箱的内部设置相应的回收机构以及配合工作的刮料机构,在对破碎后的废旧塑料进行分类回收的时候,破碎物料中的金属物料在经过回收架内部时被吸附在回收架的表面,刮料板的一侧与回收架的内壁接触,利用刮料板将回收架内壁上吸附的金属物料向下刮除,被刮除的金属物料通过进料管进入储料箱的内部,实现对废旧塑料中金属物料的回收处理,避免了废旧塑料中金属资源的浪费,保证回收机构能够有效的对金属物料进行回收处理,减少人工清理的工序,提高整个废旧塑料分类回收的工作效率。(The invention discloses a waste plastic classification recovery device, which comprises a recovery box and a conveying frame, wherein the conveying frame is positioned on the front surface of the recovery box, and the top of the recovery box is provided with a feed hopper. Through the inside scraper mechanism that sets up corresponding recovery mechanism and cooperation work at the collection box, waste plastic after to the breakage carries out categorised the recovery, the metal material in the broken material is adsorbed on the surface of recovery frame when retrieving frame inside, scrape one side of flitch and the inner wall contact of recovery frame, utilize and scrape the flitch and strike off the adsorbed metal material on with retrieving frame inner wall downwards, the metal material that is struck off passes through the inside that the inlet pipe got into the storage case, realize the recovery processing to metal material in the waste plastic, the waste of metal resource in the waste plastic has been avoided, guarantee that recovery mechanism can effectually carry out recovery processing to metal material, reduce the process of artifical clearance, improve the work efficiency of the categorised recovery of whole waste plastic.)

1. The utility model provides a categorised recovery unit of waste plastic, includes collection box (10) and defeated material frame (20), defeated material frame (20) are located the front of collection box (10), its characterized in that: the top of collection box (10) is provided with feeder hopper (30), and the bottom of feeder hopper (30) is provided with passage (40), and the inside below of collection box (10) is provided with drying cabinet (50), and defeated work or material rest (20) are located the inside of drying cabinet (50), and the inside both sides of collection box (10) all are provided with recovery mechanism and scrape the material mechanism, and the both sides of the inside below of collection box (10) all are provided with storage mechanism.

2. The waste plastic classification and recovery device according to claim 1, characterized in that: retrieve mechanism and include two recovery frame (11), and the inside both sides of passage (40) all seted up with recovery frame (11) matched with through-hole, the inside of passage (40) is provided with branch work or material rest (12), movable groove (13) have all been seted up to the inside both sides of collection box (10), the inside of two movable groove (13) all is provided with mount (14), and two recovery frame (11) are located the inside sliding connection of two mount (14) respectively, one side of two recovery frame (11) all is provided with connecting block (15), the equal fixedly connected with servo electric jar of two connecting block (15) (16).

3. The waste plastic classification and recovery device according to claim 1, characterized in that: scraping mechanism is including scraping flitch (21), scrapes the inside rear side of flitch (21) and opens and be equipped with screw hole (22), and the inside threaded connection of screw hole (22) has screw rod (23), and the inside both sides of collection box (10) all are provided with servo motor (24), and the top fixed connection of shaft coupling and screw rod (23) is passed through to the one end of servo motor (24) drive shaft, and the bottom of screw rod (23) is connected with the inside rotation of collection box (10).

4. The waste plastic classification and recovery device according to claim 3, characterized in that: a sliding hole (25) is formed in the front side of the interior of the scraping plate (21), a sliding rod (26) is arranged in the sliding hole (25), and the bottom end of the sliding rod (26) is rotatably connected with the interior of the recycling box (10).

5. The waste plastic classification and recovery device according to claim 2, characterized in that: the storage mechanism comprises a storage box (31), the top of the storage box (31) is communicated with a feeding pipe (32), the top end of the feeding pipe (32) is connected with the bottom of the fixing frame (14), a material pushing plate (33) is arranged inside the storage box (31), a connecting plate (34) is arranged at the top of the material pushing plate (33), a servo electric cylinder II (35) is arranged at the top of the inner wall of the storage box (31), a driving shaft of the servo electric cylinder II (35) is fixedly connected with one side of the connecting plate (34), and the top of the connecting plate (34) is connected with the top of the inner wall of the storage box (31) in a sliding mode.

6. The waste plastic classification and recovery device according to claim 5, characterized in that: connecting groove (36) have been seted up to the inside of connecting plate (34), the inside sliding connection of the top of scraping wings (33) and connecting groove (36), the top fixedly connected with spring (37) of connecting groove (36) inner wall, and the bottom of spring (37) and the top fixed connection of scraping wings (33).

7. The waste plastic classification and recovery device according to claim 5, characterized in that: the bottom of the inner wall of the storage box (31) is provided with an arc-shaped block, and one side of the storage box (31) is hinged with a movable cover (38) through a hinge.

8. The waste plastic classification and recovery device according to claim 1, characterized in that: the inside both sides of feeder hopper (30) all are provided with crushing roller (41), and mutually support between two crushing rollers (41), and the back of feeder hopper (30) is provided with two crushing motor (42), and the one end of two crushing motor (42) drive shafts passes through shaft coupling fixed connection with the one end of two crushing rollers (41) respectively.

9. The waste plastic classification and recovery device according to claim 1, characterized in that: the top of the drying box (50) is provided with a hot air blower (51), and an air outlet of the hot air blower (51) is communicated with the inside of the drying box (50) through a conduit.

10. The use method of the waste plastic classification and recovery device according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

firstly, waste plastics are introduced into a feed hopper (30), two mutually matched crushing rollers (41) crush the waste plastics and then enter the interior of a material guide pipe (40), and a material distributing frame (12) is used for distributing the waste plastics to two sides;

turning on switches of electromagnets in the two recovery frames (11), adsorbing metal materials in the crushed materials on the surfaces of the recovery frames (11) when the metal materials pass through the interiors of the recovery frames (11), enabling the unadsorbed materials to pass through the material guide pipes (40) and fall into the drying box (50), blowing hot air into the drying box (50) through a guide pipe by using a hot air blower (51) to dry the crushed materials, sending the dried crushed materials out by using a material conveying frame (20), and collecting water in the crushed materials through water permeable holes in the bottom of the drying box (50) and a water drainage pipe below the recovery box (10);

step three, a driving shaft of two servo electric cylinders I (16) drives one side of a recovery frame (11) to slide to the inside of a movable groove (13) from the inside of a material guide pipe (40), an output shaft of a servo motor (24) drives a screw rod (23) to rotate, meanwhile, a front side sliding hole (25) of a scraping plate (21) slides downwards on the surface of a sliding rod (26), one side of the scraping plate (21) is in contact with the inner wall of the recovery frame (11), a switch of an electromagnet on the inner wall of the recovery frame (11) is turned off, metal materials adsorbed on the inner wall of the recovery frame (11) are scraped downwards by the scraping plate (21), and the scraped metal materials enter the inside of a material storage box (31) through a feeding pipe (32);

step four, opening the movable cover (38), collecting the metal materials in the storage box (31), driving a second servo electric cylinder (35) to drive the material pushing plate (33) to push the metal materials in the storage box (31) downwards, and in the sliding process of the connecting plate (34), enabling the bottom of the material pushing plate (33) to be in contact with the bottom of the inner wall of the storage box (31) all the time under the elastic action of the spring (37) until the metal materials in the storage box (31) are collected.

Technical Field

The invention belongs to the technical field of recovery devices, and particularly relates to a waste plastic classification recovery device and a waste plastic classification recovery method.

Background

Most plastic products, especially a large number of disposable plastic products, have no big change in the properties of the plastic material after use, so that the plastic products can be recycled and reprocessed into plastic products by proper methods for reuse.

Referring to a waste plastic recovery device provided in chinese patent CN108297308B, in the scheme, waste plastics are cleaned, dried and crushed at the same time, and finally classified recovery processing of waste plastics is completed; however, aiming at the problem that metal materials in the waste plastics cannot be reasonably classified and recycled, so that metal resources are wasted, the invention provides a waste plastic classification recycling device and a using method of the classification recycling device.

Disclosure of Invention

The invention aims to provide a waste plastic classification and recovery device and a waste plastic classification and recovery method, which solve the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a categorised recovery unit of waste plastic, includes collection box and defeated work or material rest, defeated work or material rest is located the front of collection box, and the top of collection box is provided with the feeder hopper, and the bottom of feeder hopper is provided with the passage, and the inside below of collection box is provided with the drying cabinet, and defeated work or material rest is located the inside of drying cabinet, and the inside both sides of collection box all are provided with recovery mechanism and scrape material mechanism, and the both sides of the inside below of collection box all are provided with storage mechanism.

As a further scheme, the recovery mechanism comprises two recovery frames, the two recovery frames are symmetrically arranged on two sides inside the material guide pipe, through holes matched with the recovery frames are formed in two sides inside the material guide pipe, material distributing frames are arranged inside the material guide pipe, movable grooves are formed in two sides inside the recovery box, fixed frames are arranged inside the two movable grooves, the two recovery frames are respectively located inside the two fixed frames and are in sliding connection, connecting blocks are arranged on one sides of the two recovery frames, first servo electric cylinders are arranged on two sides inside the recovery box, and driving shafts of the first servo electric cylinders on two sides are respectively and fixedly connected with one sides of the two connecting blocks.

According to a further scheme of the invention, the scraping mechanism comprises a scraping plate, a threaded hole is formed in the rear side of the interior of the scraping plate, a screw rod is connected with the interior of the threaded hole in a threaded manner, servo motors are arranged on two sides of the interior of the recovery box, one ends of driving shafts of the two servo motors are respectively fixedly connected with the top ends of the two screw rods through couplers, the bottom ends of the screw rods are rotatably connected with the interior of the recovery box, a sliding hole is formed in the front side of the interior of the scraping plate, a sliding rod is arranged in the sliding hole, and the bottom end of the sliding rod is rotatably connected with the interior of the recovery box.

According to a further scheme of the invention, the storage mechanism comprises a storage box, the top of the storage box is communicated with a feeding pipe, the top end of the feeding pipe is connected with the bottom of a fixing frame, a material pushing plate is arranged inside the storage box, a connecting plate is arranged at the top of the material pushing plate, a second servo electric cylinder is arranged at the top of the inner wall of the storage box, a driving shaft of the second servo electric cylinder is fixedly connected with one side of the connecting plate, the top of the connecting plate is in sliding connection with the top of the inner wall of the storage box, a connecting groove is formed in the connecting plate, the top of the material pushing plate is in sliding connection with the inside of the connecting groove, a spring is fixedly connected to the top of the connecting groove, the bottom of the spring is fixedly connected with the top of the material pushing plate, an arc-shaped block is arranged at the bottom of the inner wall of the storage box, and a movable cover is hinged to one side of the storage box.

As a further scheme of the invention, the two sides in the feed hopper are provided with the crushing rollers which are matched with each other, the back of the feed hopper is provided with two crushing motors, and one ends of driving shafts of the two crushing motors are respectively and fixedly connected with one ends of the two crushing rollers through a shaft coupling.

As a further scheme of the invention, the top of the drying box is provided with an air heater, and an air outlet of the air heater is communicated with the inside of the drying box through a conduit.

As a further scheme of the invention, the use method of the waste plastic classification and recovery device comprises the following steps:

step one, waste plastics are introduced into a feed hopper, two mutually matched crushing rollers crush the waste plastics and then enter the interior of a material guide pipe, and a material distributing frame is used for distributing the materials to two sides;

opening switches of electromagnets in the two recovery racks, adsorbing metal materials in the crushed materials on the surfaces of the recovery racks when the metal materials pass through the interiors of the recovery racks, enabling the unadsorbed materials to pass through the material guide pipes and fall into the interior of the drying box, blowing hot air into the interior of the drying box through a guide pipe by a hot air blower to dry the crushed materials, sending the dried crushed materials out by the material conveying rack, and collecting water liquid in the crushed materials through water permeable holes in the bottom of the drying box and a drain pipe below the recovery box;

step three, two servo electric cylinders I drive shafts drive one side of the recovery frame to slide from the interior of the material guide pipe to the interior of the movable groove, a servo motor output shaft drives a screw rod to rotate, meanwhile, a front side sliding hole of a scraping plate slides downwards on the surface of a sliding rod, one side of the scraping plate is in contact with the inner wall of the recovery frame, a switch of an electromagnet on the inner wall of the recovery frame is closed, metal materials adsorbed on the inner wall of the recovery frame are scraped downwards by the scraping plate, and the scraped metal materials enter the interior of a material storage box through a material inlet pipe;

and step four, opening the movable cover, collecting the metal materials in the storage box, driving a second driving shaft of the servo electric cylinder to drive the material pushing plate to push the metal materials in the storage box downwards, and in the sliding process of the connecting plate, the bottom of the material pushing plate is always in contact with the bottom of the inner wall of the storage box under the elastic action of the spring until the metal materials in the storage box are collected.

The invention has the beneficial effects that:

(1) by arranging the corresponding recovery mechanism and the scraping mechanism which is matched with the recovery mechanism in the recovery box, when the crushed waste plastic is classified and recovered, the switches of the electromagnets in the two recovery frames are opened, the metal materials in the crushed materials are adsorbed on the surfaces of the recovery frames when passing through the interiors of the recovery frames, then the front sliding holes of the scraping plates slide downwards on the surfaces of the sliding rods, one sides of the scraping plates are contacted with the inner walls of the recovery frames, the switches of the electromagnets on the inner walls of the recovery frames are closed, the metal materials adsorbed on the inner walls of the recovery frames are scraped downwards by the scraping plates, the scraped metal materials enter the interior of the storage box through the feeding pipes, the recovery processing of the metal materials in the waste plastic is realized, the waste of the metal resources in the waste plastic is avoided, and meanwhile, the metal materials adsorbed on the recovery mechanism of the metal materials can be quickly cleaned, guarantee to retrieve the mechanism and can effectually carry out recovery processing to metal material, reduce the process of artifical clearance, improve the work efficiency of whole waste plastic categorised recovery.

(2) All set up the storage case through both sides in the inside below of collection box, when the metal material in a certain amount of waste plastic is retrieved to the inside of storage case, open the movable cover, collect the metal material of storage incasement portion, two drive shafts of servo electric jar drive the scraping wings and promote the metal material of storage incasement portion downwards, the in-process that the connecting plate slided, the bottom of scraping wings contacts with the bottom of storage incasement wall all the time under the elastic action of spring, receive until the metal material of storage incasement portion accomplishes, can improve the cleaning efficiency to the storage case by a wide margin, alleviate workman's intensity of labour.

(3) Through with recovery mechanism, scrape the inside of material mechanism and storage mechanism integration at the collection box, the inside both sides of collection box all are provided with recovery mechanism and scrape material mechanism, and the both sides of the inside below of collection box all are provided with storage mechanism, accomplish the recovery processing to metal material in the waste plastic, accomplish breakage, waterlogging caused by excessive rainfall and drying process to waste plastic simultaneously, the whole area of occupation of land of recovery unit is less, and it is comparatively convenient that the device uses the management, can accomplish the categorised recovery processing to waste plastic high-efficiently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a sectional view showing the structure of a waste plastic classification and recovery apparatus according to the present invention;

FIG. 2 is a top view of the feed hopper construction of the present invention;

FIG. 3 is a top view of the scraper structure of the present invention;

FIG. 4 is a cross-sectional view of a material guide tube structure according to the present invention;

FIG. 5 is a schematic view of the recycling bin structure of the present invention;

FIG. 6 is a cross-sectional view of the connecting frame and the pusher plate structure of the present invention;

FIG. 7 is a top view of the structure of the drying box and the material conveying rack of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

10. a recycling bin; 20. a material conveying frame; 30. a feed hopper; 40. a material guide pipe; 50. a drying oven; 11. a recycling rack; 12. a material distributing frame; 13. a movable groove; 14. a fixed mount; 15. connecting blocks; 16. a first servo electric cylinder; 21. a scraping plate; 22. a threaded hole; 23. a screw; 24. a servo motor; 25. a slide hole; 26. a slide bar; 31. a material storage box; 32. a feed pipe; 33. a material pushing plate; 34. a connecting plate; 35. a second servo electric cylinder; 36. connecting grooves; 37. a spring; 38. a movable cover; 41. a crushing roller; 42. a crushing motor; 51. an air heater.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1, a waste plastic classification recycling device includes a recycling bin 10 and a material conveying frame 20, wherein the material conveying frame 20 is located on the front side of the recycling bin 10, the rear end of the material conveying frame 20 extends into the recycling bin 10, a feed hopper 30 is arranged at the top of the recycling bin 10, a material guide pipe 40 is arranged at the bottom end of the feed hopper 30, a drying bin 50 is arranged below the inside of the recycling bin 10, the material conveying frame 20 is located inside the drying bin 50, the bottom end of the material guide pipe 40 penetrates through the drying bin 50 and extends to the upper side of the material conveying frame 20, a plurality of water permeable holes are formed in the bottom of the drying bin 50, a water drain pipe is arranged below the front side of the recycling bin 10, the dried crushed material is discharged by the material conveying frame 20, and water in the crushed material is collected through the water permeable holes in the bottom of the drying bin 50 and the water drain pipe below the recycling bin 10;

example 2:

referring to fig. 1, 4 and 5, the recycling mechanism is disposed on both sides of the inside of the recycling bin 10, the recycling mechanism includes two recycling frames 11, electromagnets are disposed inside the two recycling frames 11, when the electromagnets inside the two recycling frames 11 are turned on, the metal materials in the crushed materials pass through the recycling frames 11, the metal materials are adsorbed on the surfaces of the recycling frames 11, the unadsorbed materials pass through the material guiding pipe 40 and fall into the drying bin 50, the two recycling frames 11 are symmetrically disposed on both sides of the material guiding pipe 40, through holes matched with the recycling frames 11 are disposed on both sides of the material guiding pipe 40, a material distributing frame 12 is disposed inside the material guiding pipe 40, the crushed materials enter the material guiding pipe 40, the crushed materials are distributed to both sides by the material distributing frame 12 inside the material guiding pipe 40, so that the metal materials in the crushed materials can be better adsorbed by the recycling frames 11, activity groove 13 has all been seted up to the inside both sides of collection box 10, and the inside of two activity grooves 13 all is provided with mount 14, and two collection frame 11 are located the inside sliding connection of two mount 14 respectively, and one side of two collection frame 11 all is provided with connecting block 15, and the inside both sides of collection box 10 all are provided with servo electric jar 16, and 16 drive shafts of the servo electric jar of both sides respectively with one side fixed connection of two connecting blocks 15.

Example 3:

referring to fig. 1 and 3, the two sides inside the recycling bin 10 are provided with a scraping mechanism, the scraping mechanism includes a scraping plate 21, a rear side inside the scraping plate 21 is provided with a threaded hole 22, the threaded hole 22 is connected with a screw 23 through an internal thread, two sides inside the recycling bin 10 are provided with servo motors 24, one ends of driving shafts of the two servo motors 24 are respectively and fixedly connected with top ends of the two screws 23 through a coupling, a bottom end of the screw 23 is rotatably connected with the inside of the recycling bin 10, a front side inside the scraping plate 21 is provided with a sliding hole 25, a sliding rod 26 is arranged inside the sliding hole 25, a bottom end of the sliding rod 26 is rotatably connected with the inside of the recycling bin 10, an output shaft of the servo motor 24 drives the screw 23 to rotate, a surface of the screw 23 is matched with the internal thread of the threaded hole 22, meanwhile, the sliding hole 25 at the front side of the scraping plate 21 slides downwards on a surface of the sliding rod 26, one side of the scraping plate 21 is in contact with an inner wall of the recycling bin 11, closing a switch of an electromagnet on the inner wall of the recovery frame 11, scraping the metal materials adsorbed on the inner wall of the recovery frame 11 downwards by using a scraping plate 21, and enabling the scraped metal materials to enter the storage box 31 through a feeding pipe 32;

example 4:

referring to fig. 1 and 6, a storage mechanism is disposed on both sides of the lower portion inside the recycling bin 10, the storage mechanism includes a storage bin 31, a feeding pipe 32 is connected to the top of the storage bin 31, the top end of the feeding pipe 32 is connected to the bottom of the fixing frame 14, a material pushing plate 33 is disposed inside the storage bin 31, a connecting plate 34 is disposed on the top of the material pushing plate 33, a second servo cylinder 35 is disposed on the top of the inner wall of the storage bin 31, a driving shaft of the second servo cylinder 35 is fixedly connected to one side of the connecting plate 34, the top of the connecting plate 34 is slidably connected to the top of the inner wall of the storage bin 31, a connecting groove 36 is disposed inside the connecting plate 34, the top of the material pushing plate 33 is slidably connected to the inside of the connecting groove 36, a spring 37 is fixedly connected to the top of the inner wall of the connecting groove 36, the bottom end of the spring 37 is fixedly connected to the top of the material pushing plate 33, and an arc-shaped block is disposed on the bottom of the inner wall of the storage bin 31, and one side of the storage box 31 is hinged with a movable cover 38 through a hinge, the movable cover 38 on one side of the storage box 31 is opened to collect the metal materials in the storage box 31, the driving shaft of the servo electric cylinder II 35 is reset in the cylinder body, the pushing plate 33 pushes the metal materials in the storage box 31 downwards, and in the sliding process of the connecting plate 34, the bottom of the pushing plate 33 is always in contact with the bottom of the inner wall of the storage box 31 under the elastic action of the spring 37 until the metal materials in the storage box 31 are collected.

Example 5:

please refer to fig. 2, the two crushing rollers 41 are disposed on two sides of the inside of the feeding hopper 30, and the two crushing rollers 41 are matched with each other, two crushing motors 42 are disposed on the back of the feeding hopper 30, and one ends of the driving shafts of the two crushing motors 42 are respectively fixedly connected with one ends of the two crushing rollers 41 through shaft couplings, so that waste plastic is introduced into the inside of the feeding hopper 30, the two crushing rollers 41 matched with each other crush the waste plastic, the waste plastic and metal materials are conveniently separated, and convenience is provided for recycling the metal materials.

Example 6:

referring to fig. 7, a hot air blower 51 is disposed at the top of the drying box 50, an air outlet of the hot air blower 51 is communicated with the inside of the drying box 50 through a duct, and the hot air blower 51 blows hot air into the inside of the drying box 50 through the duct to dry the crushed material on the material conveying frame 20.

Example 7:

referring to fig. 1-7, the method for using the waste plastic sorting and recycling device includes the following steps:

firstly, waste plastics are introduced into a feed hopper 30, two mutually matched crushing rollers 41 crush the waste plastics, crushed materials enter a material guide pipe 40, and the crushed materials are divided to two sides by a material dividing frame 12 in the material guide pipe 40;

turning on switches of electromagnets in the two recovery racks 11, when metal materials in the crushed materials pass through the recovery racks 11, the metal materials are adsorbed on the surfaces of the recovery racks 11, the unadsorbed materials pass through the material guide pipes 40 and fall into the drying box 50, hot air is blown into the drying box 50 through the hot air blower 51 through the guide pipes to dry the crushed materials on the material conveying racks 20, the dried crushed materials are sent out by the material conveying racks 20, and water in the crushed materials is collected through water permeable holes in the bottom of the drying box 50 and a drain pipe below the recovery box 10;

step three, the driving shaft of the two servo electric cylinders I16 is reset in the cylinder body to drive one side of the recovery frame 11 to slide from the interior of the material guide pipe 40 to the interior of the movable groove 13, the output shaft of the servo motor 24 drives the screw rod 23 to rotate, the surface of the screw rod 23 is in threaded fit with the interior of the threaded hole 22, meanwhile, the sliding hole 25 on the front side of the scraping plate 21 slides downwards on the surface of the sliding rod 26, one side of the scraping plate 21 is in contact with the inner wall of the recovery frame 11, the switch of the electromagnet on the inner wall of the recovery frame 11 is closed, the metal materials adsorbed on the inner wall of the recovery frame 11 are scraped downwards by the scraping plate 21, and the scraped metal materials enter the storage box 31 through the feeding pipe 32;

step four, opening a movable cover 38 on one side of the storage tank 31, collecting the metal materials in the storage tank 31, resetting a driving shaft of a servo electric cylinder II 35 in the cylinder body, pushing the metal materials in the storage tank 31 downwards by a pushing plate 33, and in the sliding process of a connecting plate 34, always contacting the bottom of the pushing plate 33 with the bottom of the inner wall of the storage tank 31 under the elastic action of a spring 37 until the metal materials in the storage tank 31 are collected.

And those not described in detail in this specification are well within the skill of those in the art.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.