Rubber shoe processing recycled material crushing and grading recovery device

Abstract

The present application relates to the field of rubber shoes processing, more specifically, it relates to a rubber shoes processing return material crushing and grading recovery device, including: the inside of the crushing shell is provided with a crushing cavity, the inner wall of the top end and the bottom end of the crushing cavity is respectively provided with a feeding port and a discharging port for feeding and discharging, the feeding port is provided below two groups of crushing rollers for crushing materials; the rubber return material is put into the crushing cavity through the feeding port, and is crushed by two groups of opposite rotating crushing rollers; the crushed material falls to the first sieve plate, the material meeting the particle size requirement passes through the first sieve plate, and the unqualified large material is intercepted. The lifting assembly rotates, the shovel on it scoops up the unqualified material intercepted on the surface of the first sieve plate and transports it to the upper side of the crushing roller for secondary crushing. The material passing through the first sieve plate continues to fall to the second sieve plate, and in the process of rotating the lifting assembly, the second sieve plate is driven by the steel wire rope to shake up and down, and the material is screened again.

Description

Technical Field

[0001] This invention relates to the field of rubber shoe processing, and more specifically, to a device for crushing, grading and recycling recycled materials from rubber shoe processing. Background Technology

[0002] The production and processing of rubber shoes generates a large amount of scrap, waste, and defective products. To reduce raw material costs and minimize resource waste, these recycled rubber materials are typically crushed and recycled. Currently, most common rubber recycling crushing and recycling devices employ a single-stage crushing combined with simple screening, where the material is crushed by crushing rollers and then passed through a single screen for particle size classification.

[0003] Existing single-stage crushing methods cannot guarantee that all materials will reach the qualified particle size in one pass. A large amount of unqualified large pieces of material are trapped on the screen surface. If they are not cleaned in time or returned for further crushing, they will not only easily clog the screen holes and reduce the screening efficiency, but also prevent qualified fine materials from passing through smoothly, affecting the overall discharge rate.

[0004] Moreover, the large pieces of substandard material that are intercepted usually need to be collected, transported and put back into the crusher manually, which is cumbersome, labor-intensive and difficult to achieve continuous automatic production. If additional conveying equipment, such as bucket elevators or screw conveyors, is used for separate material return, it will increase equipment costs and energy consumption and take up more space.

[0005] Meanwhile, the vibration or shaking of the screen itself often requires a separate excitation motor or eccentric wheel mechanism, which increases the cost of drive components and control, and it is difficult to achieve synchronous coordination with the crushing and return actions.

[0006] To address the aforementioned issues, a device for crushing, grading, and recycling recycled materials from rubber shoe processing is proposed. Summary of the Invention

[0007] (a) Technical problems to be solved To address the problems existing in the prior art, the present invention provides a rubber shoe processing waste material crushing, grading and recycling device, which solves the problem that the waste material crushing and recycling in the background art cannot automatically send unqualified large pieces of material back for secondary crushing, and the grading effect is limited.

[0008] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: a device for crushing, grading, and recycling recycled rubber shoe processing materials, comprising: The crushing shell has a crushing chamber inside. The inner walls of the top and bottom of the crushing chamber are respectively provided with a feed port and a discharge port for feeding and discharging materials. Two sets of crushing rollers for crushing materials are arranged directly below the feed port. The discharge port has a first screen plate for screening large-volume materials inside. The bottom side of the discharge port has a swaying second screen plate for screening small-volume materials. The lifting assembly is rotatably disposed inside the crushing chamber and is used to lift the unqualified material on the surface of the first screen plate to the top of the crushing roller for secondary crushing. The lifting assembly includes a bucket, which is installed in a ring at equal intervals on the outside of the turntable. The control component is located at one end of the upper surface of the second screen plate, and the control component includes a steel wire rope for controlling the up-and-down swaying of the second screen plate.

[0009] The present invention is further configured such that the bucket includes a shovel portion that fits the first screen plate, the shovel portion extends upward to a receiving portion, the first screen plate is arc-shaped and matches the inner wall size of the crushing chamber.

[0010] The present invention is further configured such that a funnel-shaped guide trough is provided inside the crushing chamber, the guide trough is placed between the feed inlet and the crushing roller, and the feed end and the discharge end of the guide trough correspond to the feed inlet and the crushing roller, respectively.

[0011] The present invention is further configured such that a guide portion extends from the end of the material receiving portion away from the material shoveling portion, and the guide portion and the material receiving portion are arranged at an obtuse angle.

[0012] The invention is further configured such that a drive column is horizontally fixedly installed in the middle of the turntable on the side away from the bucket, a flywheel is fixedly installed at one end of the drive column on the outside of the crushing shell, a limit rod is fixedly installed on the outer edge of the flywheel, a limit sleeve is rotatably connected to the outer side of the limit rod, and one end of the wire rope is fixedly connected to the outer side of the limit sleeve.

[0013] The present invention is further configured such that a connecting block is fixedly installed at one end of the upper surface of the second sieve plate, and the end of the wire rope away from the limiting sleeve is fixedly connected to the connecting block.

[0014] The present invention is further configured such that an installation groove is provided on the bottom side of the discharge port, and a connecting rod is installed through and fixedly mounted on the end of the second screen plate away from the connecting block, and the connecting rod is rotatably connected to the inner wall of the installation groove through a bearing.

[0015] The invention is further configured such that a rotating groove is provided inside one side of the crushing shell, the drive column is rotatably connected to the inner wall of the rotating groove through a bearing, a large gear is fixedly installed through and inside the rotating groove on one side of the drive column, a servo motor is fixedly connected above the inner wall of one side of the rotating groove, and a small gear is fixedly installed on the shaft end of the servo motor, the small gear meshing with the large gear.

[0016] The present invention is further configured such that a first recycling box and a second recycling box are provided on the bottom side of the second sieve plate, the first recycling box is placed at one end of the second sieve plate where the steel wire rope is provided, and the second recycling box is placed below the filter holes of the second sieve plate.

[0017] The present invention is further configured such that a drive motor is fixedly connected to the side of the crushing shell away from the servo motor, and the shaft end of the drive motor is fixedly connected to the corresponding crushing roller drive end.

[0018] (III) Beneficial Effects Compared with the prior art, the present invention provides a device for crushing, classifying and recycling recycled rubber shoe processing materials, which has the following beneficial effects: Rubber recycled material is fed into the crushing chamber through the inlet and crushed by two sets of opposing rotating crushing rollers. The crushed material falls onto the first screen plate, where material meeting the particle size requirements passes through, while large, unqualified pieces are retained. The lifting assembly rotates within the crushing chamber, its bucket scooping up the unqualified material retained on the surface of the first screen plate and conveying it above the crushing rollers for secondary crushing. Material passing through the first screen plate continues to fall onto the second screen plate. Simultaneously, during the rotation of the lifting assembly, the second screen plate is driven up and down by a steel cable, further sieving the material. This achieves automatic secondary crushing of unqualified materials, preventing material accumulation and clogging of the screening device, and improving crushing and screening efficiency. Furthermore, the lifting assembly's power drives the second screen plate to vibrate, enhancing the screening effect, and the tilting motion of the second screen plate facilitates the collection of materials of different particle sizes, thus achieving graded recycling. Attached Figure Description

[0019] Figure 1 Front view of the lifting component of a rubber shoe processing waste crushing, grading and recycling device.

[0020] Figure 2 Rear view of the lifting component of a rubber shoe processing waste crushing, grading and recycling device.

[0021] Figure 3 A cross-sectional view of a device for crushing, grading, and recycling recycled materials from rubber shoe manufacturing.

[0022] Figure 4 A schematic diagram of the bucket structure of a recycling and grading device for recycled materials from rubber shoe manufacturing.

[0023] Figure 5 A schematic diagram of the flywheel rotation of a recycling and grading device for recycled materials from rubber shoe manufacturing.

[0024] In the diagram: 1. Crushing shell; 11. Crushing chamber; 12. Feed inlet; 13. Discharge outlet; 14. Crushing roller; 15. First screen plate; 16. Drive motor; 17. Guide chute; 2. Turntable; 21. Bucket; 211. Shoveling part; 212. Supporting part; 213. Guide part; 22. Drive column; 221. Large gear; 222. Limiting rod; 223. Flywheel; 23. Rotating groove; 24. Servo motor; 25. Small gear; 3. Mounting groove; 31. Second screen plate; 311. Connecting rod; 312. Connecting block; 313. Steel wire rope; 314. Limiting sleeve; 32. First recycling box; 33. Second recycling box. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0027] In this invention, unless otherwise stated, the directional terms such as "up" and "down" generally refer to the directions shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0028] For examples, please refer to Figures 1-5 A device for crushing, grading, and recycling recycled rubber shoe processing materials includes: a crushing shell 1, which has a crushing chamber 11 inside. The inner walls of the top and bottom of the crushing chamber 11 are respectively provided with a feed inlet 12 and a discharge outlet 13 for feeding and discharging materials. Two sets of crushing rollers 14 for crushing materials are arranged directly below the feed inlet 12. The discharge outlet 13 has a first screen plate 15 for screening large-volume materials inside, and a second screen plate 31 for screening small-volume materials that can be swayed is arranged on the bottom side of the discharge outlet 13; a lifting assembly, which is rotatably arranged inside the crushing chamber 11, for lifting unqualified materials on the surface of the first screen plate 15 to above the crushing rollers 14 for secondary crushing. The lifting assembly includes a bucket 21, which is installed in a ring and equidistantly on the outside of a turntable 2; and a control assembly, which is arranged at one end of the upper surface of the second screen plate 31. The control assembly includes a wire rope 313 for controlling the up-and-down swaying of the second screen plate 31.

[0029] In this embodiment, recycled rubber is fed into the crushing chamber 11 through the feed inlet 12 and crushed by two sets of relatively rotating crushing rollers 14. The crushed material falls onto the first screen plate 15, where materials meeting the particle size requirements pass through, while large, unqualified materials are retained. The lifting assembly rotates within the crushing chamber 11, and its bucket 21 scoops up the unqualified materials retained on the surface of the first screen plate 15 and conveys them above the crushing rollers 14 for secondary crushing. The material passing through the first screen plate 15 continues to fall onto the second screen plate 31. Simultaneously, during the rotation of the lifting assembly, the second screen plate 31 is driven to sway up and down via the wire rope 313, further screening the material. This achieves automatic secondary crushing of unqualified materials, preventing material accumulation and clogging of the screening device, and improving crushing and screening efficiency. Furthermore, the lifting assembly's power drives the second screen plate 31 to sway, enhancing the screening effect, and the tilting motion of the second screen plate 31 facilitates the collection of materials of different particle sizes, thereby achieving graded recycling.

[0030] It should be noted that a baffle can be installed on the outside of the second screen plate 31, but not on the inclined end, to prevent material from being discharged from the side of the second screen plate 31.

[0031] The bucket 21 includes a scooping part 211 that fits the first screen plate 15, and the scooping part 211 extends upward to a receiving part 212. The first screen plate 15 is arc-shaped and matches the inner wall size of the crushing chamber 11.

[0032] In this embodiment, the bucket 21 consists of a scooping part 211 and a receiving part 212. The scooping part 211 can fit against the upper surface of the arc-shaped first screen plate 15. When the turntable 2 drives the bucket 21 to rotate to the first screen plate 15, the scooping part 211 scoops up the material on the surface of the screen plate, and the material is temporarily stored or conveyed along the receiving part 212. The fitting design between the scooping part 211 and the first screen plate 15 can effectively scoop up unqualified materials and avoid residue. The first screen plate 15 adopts an arc-shaped structure, which matches the inner wall size of the crushing chamber 11, ensuring that there is no interference when the bucket 21 rotates.

[0033] Specifically, the inside of the crushing chamber 11 is provided with a funnel-shaped guide groove 17, which is placed between the feed inlet 12 and the crushing roller 14, and the feed end and the discharge end of the guide groove 17 correspond to the feed inlet 12 and the crushing roller 14, respectively.

[0034] In this embodiment, the feed chute 17 can gather the input material and make it fall accurately between the two sets of crushing rollers 14, thereby improving the crushing efficiency; at the same time, it can easily receive the material falling from the bucket 21 and guide it to re-enter the crushing area.

[0035] Furthermore, a guide portion 213 extends from the end of the material receiving portion 212 away from the material shoveling portion 211, and the guide portion 213 is set at an obtuse angle to the material receiving portion 212.

[0036] In this embodiment, when the bucket 21 rotates above the crushing chamber 11, the obtuse-angled guide section 213 facilitates the smooth discharge of materials, prevents materials from remaining in the bucket 21, and ensures the continuity of material supply for secondary crushing.

[0037] Furthermore, a drive column 22 is horizontally fixedly installed in the middle of the turntable 2 on the side away from the bucket 21. A flywheel 223 is fixedly installed at one end of the drive column 22 on the outside of the crushing shell 1. A limit rod 222 is fixedly installed on the outer edge of the flywheel 223. A limit sleeve 314 is rotatably connected to the outer side of the limit rod 222. One end of the wire rope 313 is fixedly connected to the outer side of the limit sleeve 314.

[0038] In this embodiment, when the turntable 2 rotates, the drive column 22 drives the flywheel 223 to rotate synchronously, and the limit rod 222 makes a circular motion around the drive column 22, thereby periodically lifting the steel wire rope 313. This achieves linkage between the lifting assembly and the swaying mechanism of the second screen plate 31, without the need for an additional power source, ensuring reliable transmission.

[0039] Furthermore, a connecting block 312 is fixedly installed at one end of the upper surface of the second sieve plate 31, and the end of the wire rope 313 away from the limiting sleeve 314 is fixedly connected to the connecting block 312.

[0040] In this embodiment, a connecting block 312 is fixed to one end of the upper surface of the second screen plate 31, and the other end of the wire rope 313 is connected to the connecting block 312. When the limiting rod 222 on the flywheel 223 rotates to the highest point, the wire rope 313 pulls one end of the second screen plate 31 to the horizontal position through the connecting block 312; when the limiting rod 222 rotates to the lowest point, the wire rope 313 slackens, and the second screen plate 31 tilts downward under the action of gravity. The periodic lifting and releasing generated by the circular motion of the flywheel 223 makes the second screen plate 31 swing up and down regularly, promoting material screening and facilitating the discharge of material on the screen when tilted, thus achieving graded recycling.

[0041] Furthermore, an installation groove 3 is provided on the bottom side of the discharge port 13, and a connecting rod 311 is installed through and fixedly mounted on the end of the second screen plate 31 away from the connecting block 312. The connecting rod 311 is rotatably connected to the inner wall of the installation groove 3 through a bearing.

[0042] In this embodiment, the connecting rod 311 provides stable rotational support for the second screen plate 31, ensuring that the screen plate moves smoothly during up-and-down shaking and avoiding deviation or jamming.

[0043] The crushing shell 1 has a rotating groove 23 on one side. The drive column 22 is rotatably connected to the inner wall of the rotating groove 23 through a bearing. A large gear 221 is fixedly installed through the drive column 22 on one side inside the rotating groove 23. A servo motor 24 is fixedly connected to the upper part of the inner wall of the rotating groove 23. A small gear 25 is fixedly installed on the shaft end of the servo motor 24. The small gear 25 meshes with the large gear 221.

[0044] In this embodiment, the servo motor 24 is controlled by the corresponding controller to drive the pinion 25 to rotate. The pinion 25 meshes with the large gear 221 on the outside of the drive column 22. During the rotation of the pinion 25, the drive column 22 can be driven to rotate through the large gear 221, thereby driving the turntable 2 and the flywheel 223 to rotate stably.

[0045] Preferably, a first recycling box 32 and a second recycling box 33 are provided on the bottom side of the second sieve plate 31. The first recycling box 32 is placed at one end of the second sieve plate 31 where the wire rope 313 is provided, and the second recycling box 33 is placed below the filter holes of the second sieve plate 31.

[0046] In this embodiment, when the second sieve plate 31 shakes, the fine material that passes through the filter holes falls into the second recycling box 33, while the material that fails to pass through the filter holes but has a smaller particle size slides into the first recycling box 32 when the sieve plate is tilted, thereby achieving graded collection of materials of different particle sizes.

[0047] It should be noted that a drive motor 16 is fixedly connected to the side of the crushing housing 1 away from the servo motor 24, and the shaft end of the drive motor 16 is fixedly connected to the drive end of the corresponding crushing roller 14.

[0048] In this embodiment, the two sets of crushing rollers 14 are controlled to rotate by the corresponding controller, which can crush the material discharged from the feed chute 17.

[0049] Working principle: Rubber recycled material is fed into the feed inlet 12 at the top of the crushing shell 1, and after being gathered by the funnel-shaped guide trough 17, it falls between two sets of relatively rotating crushing rollers 14. The crushing rollers 14 are driven by the drive motor 16 to rotate, extruding and shearing the material. The crushed material falls onto the upper surface of the arc-shaped first screen plate 15. Fine materials that meet the particle size requirements pass through the first screen plate 15 and continue to fall; large pieces of unqualified material that do not meet the requirements are trapped on the surface of the first screen plate 15. The servo motor 24 meshes with the large gear 221 through the pinion 25, driving the drive column 22 and the turntable 2 to rotate slowly. Multiple buckets 21 are installed equidistantly in a ring on the outer side of the turntable 2. When the bucket 21 rotates to the first screen plate 15, the shoveling part 211 of the bucket 21 adheres to the upper surface of the first screen plate 15, shoveling the trapped unqualified material into the receiving part 212. As the bucket 21 continues to rise with the turntable 2, when it rotates above the crushing chamber 11, the guide section 213 at the end of the bucket 21 forms an obtuse angle with the receiving section 212, facilitating the smooth discharge of material into the guide trough 17, where it re-enters the space between the two sets of crushing rollers 14 for secondary crushing. This cycle repeats, automatically returning unqualified materials for further crushing and preventing accumulation and blockage. Material passing through the first screen plate 15 falls onto the second screen plate 31. One end of the second screen plate 31 is rotatably connected to the mounting groove 3 via a connecting rod 311, and the other end is connected to the wire rope 313 via a connecting block 312. The other end of the wire rope 313 is connected to the limiting sleeve 314 on the edge of the flywheel 223. When the turntable 2 rotates, the drive column 22 drives the flywheel 223 to rotate synchronously, and the limiting rod 222 and the limiting sleeve 314 perform circular motion around the drive column 22, thereby periodically lifting and releasing the wire rope 313. When the wire rope 313 pulls one end of the second screen plate 31 upward, the second screen plate 31 rises to a horizontal position; when the wire rope 313 is released, the second screen plate 31 tilts downward under the action of gravity. The second screen plate 31 thus continuously oscillates up and down, accelerating the passage of small-diameter materials through the filter holes; particles that cannot pass through the filter holes but are smaller than the material retained by the first screen plate 15 slide down the surface of the second screen plate 31 into the first recycling box 32 as the second screen plate 31 tilts. The finest material that passes through the filter holes of the second screen plate 31 falls directly into the second recycling box 33 below.

[0050] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for crushing, classifying, and recycling recycled materials from rubber shoe processing, characterized in that, include: The crushing shell (1) has a crushing chamber (11) inside. The inner walls of the top and bottom of the crushing chamber (11) are respectively provided with a feed inlet (12) and a discharge outlet (13) for feeding and discharging. Two sets of crushing rollers (14) for crushing materials are provided directly below the feed inlet (12). The discharge outlet (13) is provided with a first screen plate (15) for screening large-volume unqualified materials. The bottom side of the discharge outlet (13) is provided with a second screen plate (31) for screening small-volume materials that can be shaken. The lifting assembly is rotatably disposed inside the crushing chamber (11) and is used to lift the unqualified material on the surface of the first screen plate (15) to the top of the crushing roller (14) for secondary crushing. The lifting assembly includes a bucket (21), which is installed in a ring at equal intervals on the outside of the turntable (2). The control component is located at one end of the upper surface of the second screen plate (31), and the control component includes a steel wire rope (313) for controlling the up and down swaying of the second screen plate (31).

2. The rubber shoe processing waste material crushing, grading and recycling device according to claim 1, characterized in that: The bucket (21) includes a shovel part (211) that fits the first screen plate (15), and a receiving part (212) extends upward from the shovel part (211). The first screen plate (15) is arc-shaped and matches the inner wall size of the crushing chamber (11).

3. The rubber shoe processing waste material crushing, grading and recycling device according to claim 2, characterized in that: The crushing chamber (11) is provided with a funnel-shaped guide trough (17), which is located between the feed inlet (12) and the crushing roller (14). The feed end and the discharge end of the guide trough (17) correspond to the feed inlet (12) and the crushing roller (14) respectively.

4. The rubber shoe processing waste material crushing, grading and recycling device according to claim 3, characterized in that: The material receiving part (212) extends a material guiding part (213) at the end away from the material shoveling part (211), and the material guiding part (213) is set at an obtuse angle to the material receiving part (212).

5. The rubber shoe processing waste material crushing, grading and recycling device according to claim 4, characterized in that: A drive column (22) is horizontally fixedly installed in the middle of the turntable (2) away from the bucket (21). A flywheel disc (223) is fixedly installed at one end of the drive column (22) on the outside of the crushing shell (1). A limit rod (222) is fixedly installed on the outer edge of the flywheel disc (223). A limit sleeve (314) is rotatably connected to the outer side of the limit rod (222). One end of the wire rope (313) is fixedly connected to the outer side of the limit sleeve (314).

6. The rubber shoe processing waste material crushing, grading and recycling device according to claim 1, characterized in that: A connecting block (312) is fixedly installed at one end of the upper surface of the second sieve plate (31), and the end of the wire rope (313) away from the limiting sleeve (314) is fixedly connected to the connecting block (312).

7. The rubber shoe processing waste material crushing, grading and recycling device according to claim 1, characterized in that: The bottom side of the discharge port (13) is provided with an installation groove (3), and a connecting rod (311) is installed through and fixedly installed on one end of the second screen plate (31) away from the connecting block (312). The connecting rod (311) is rotatably connected to the inner wall of the installation groove (3) through a bearing.

8. The rubber shoe processing waste material crushing, grading and recycling device according to claim 5, characterized in that: A rotating groove (23) is provided inside one side of the crushing shell (1). The drive column (22) is rotatably connected to the inner wall of the rotating groove (23) through a bearing. A large gear (221) is fixedly installed through one side of the drive column (22) inside the rotating groove (23). A servo motor (24) is fixedly connected above the inner wall of one side of the rotating groove (23). A small gear (25) is fixedly installed at the shaft end of the servo motor (24). The small gear (25) meshes with the large gear (221).

9. The rubber shoe processing waste material crushing, grading and recycling device according to claim 1, characterized in that: The bottom side of the second sieve plate (31) is provided with a first recycling box (32) and a second recycling box (33). The first recycling box (32) is placed at one end of the second sieve plate (31) where the steel wire rope (313) is provided, and the second recycling box (33) is placed below the filter hole of the second sieve plate (31).

10. A rubber shoe processing waste material crushing, grading and recycling device according to claim 9, characterized in that: A drive motor (16) is fixedly connected to the side of the crushing housing (1) away from the servo motor (24), and the shaft end of the drive motor (16) is fixedly connected to the drive end of the corresponding crushing roller (14).

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