A granulator for recycling and reusing foamed EVA waste

Abstract

The utility model discloses a granulator for recycling and reusing foamed EVA waste, comprising a crushing box and a granulator body, wherein a crushing mechanism is arranged in the crushing box, a discharge pipe is arranged on the side wall of the crushing box, a cleaning box and a pretreatment component are arranged in sequence between the crushing box and the granulator body, and a containing mechanism is arranged between the crushing box and the granulator body through an adjusting mechanism. The utility model can conveniently crush the foamed EVA waste to be recycled first, then collect it through the containing mechanism, and perform a cleaning operation in conjunction with the cleaning box. By cleaning the crushed material, the contact area can be increased, thereby ensuring the cleaning effect, avoiding impurities and the like from remaining on the material, improving the purity of subsequent recycling and granulation, and ensuring the performance of subsequent processing and use.

Description

Technical Field

[0001] The utility model relates to the technical field of foamed EVA recycling, in particular to a foamed EVA waste recycling granulator. Background Art

[0002] Foamed EVA is a material made of ethylene and vinyl acetate copolymers, which has good cushioning, shock resistance, heat insulation, moisture resistance and chemical corrosion resistance. In order to protect the environment and save costs, foamed EVA needs to be recycled and reused. Foamed EVA waste recycling and granulation refers to the use of used foamed EVA materials through specific equipment and technology to convert them back into usable granular plastics. This process not only helps protect the environment, but also helps companies reduce production costs.

[0003] However, the existing foamed EVA waste recycling and reuse granulator has certain defects in actual use. Since foamed EVA is used in various industries, when it is recycled, its surface contains more or less impurities. Most of them are washed and cleaned. It cannot be cleaned well during recycling, which easily leads to residual impurities, which in turn affects the purity of the recycled material, thereby affecting its performance and application range. Utility Model Content

[0004] The utility model aims to provide a granulator for recycling and reusing foamed EVA waste materials to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a granulator for recycling and reusing foamed EVA waste, comprising a crushing box and a granulator body, a crushing mechanism is provided in the crushing box, a discharge pipe is provided on the side wall of the crushing box, a cleaning box and a pretreatment component are provided in sequence between the crushing box and the granulator body, and a containing mechanism is also provided between the crushing box and the granulator body through an adjusting mechanism.

[0006] Preferably, in order to first crush the foamed EVA waste material and facilitate subsequent cleaning, drying, granulation and other operations, the crushing mechanism includes a rotating shaft symmetrically arranged inside the crushing box, and crushing fins are equidistantly arranged on the rotating shaft, and the two crushing fins are staggered. Two gears that mesh with each other are provided at one end of the two rotating shafts, and one of the ends of the rotating shaft is fixedly connected to the output end of the motor.

[0007] Preferably, in order to facilitate the movement and adjustment of the containing mechanism and to facilitate operations such as cleaning and unloading, the adjusting mechanism includes electric push rods equidistantly arranged between the crushing box and the granulator body, fixed blocks are provided at the top ends of the electric push rods, and a moving component is provided between the two fixed blocks on the same side.

[0008] Preferably, in order to facilitate the movement and adjustment of the containing mechanism and to facilitate operations such as cleaning and unloading, the moving component includes a linear guide device arranged between two fixed blocks on the same side, and a guide slider is provided on the linear guide device, and the guide slider is connected to the containing mechanism through a connecting column.

[0009] Preferably, in order to facilitate the holding of the crushed foamed EVA waste, facilitate cleaning with a cleaning box, ensure cleanliness, and facilitate subsequent recycling, the holding mechanism includes a holding frame fixedly connected to a connecting column, a bottom plate is provided at the bottom end of the holding frame through a sliding assembly, and leakage holes are equidistantly provided on the bottom plate and on the side surfaces of the holding frame.

[0010] Preferably, in order to facilitate the opening and closing of the bottom plate, unloading and resetting, the sliding assembly includes a slide groove symmetrically opened under the containing frame, a slide plate is slidably provided in the slide groove, the slide plate is fixedly connected to the bottom plate, and a toggle baffle is fixedly provided at the bottom end of the bottom plate.

[0011] Preferably, in order to facilitate the drying, plasticizing and other operations on the cleaned foamed EVA waste and facilitate the subsequent granulation processing, the pretreatment component includes a pretreatment box arranged between the cleaning box and the granulator body, and the bottom end of the pretreatment box is connected to the input end of the granulator body through a connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The crushing mechanism cooperates with the holding mechanism and the cleaning box, so that the recycled foamed EVA waste can be crushed first, then collected by the holding mechanism, and cleaned with the cleaning box. By cleaning the crushed material, the contact area can be increased, thereby ensuring the cleaning effect, avoiding impurities and the like from remaining on the material, improving the purity of subsequent recycling and granulation, and ensuring the performance of subsequent processing and use;

[0014] (2) The adjusting mechanism can be conveniently moved with the containing mechanism, so that the crushed materials can be collected and moved to the cleaning box for cleaning. At the same time, the materials can be added to the pretreatment box for processing before granulation, which is more convenient. At the same time, the sliding component under the containing mechanism can be conveniently cooperated with the pretreatment box to open and close the bottom plate, so that the materials can be unloaded and closed after completion, which is convenient for next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a granulator for recycling and reusing foamed EVA waste proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a crushing mechanism in a granulator for recycling and reusing foamed EVA waste proposed by the utility model;

[0017] Figure 3 This is one of the partial structural schematic diagrams of the regulating mechanism and the containing mechanism in the foamed EVA waste recycling granulator proposed by the utility model;

[0018] Figure 4 This is the second partial structural diagram of the regulating mechanism and the containing mechanism in the granulator for recycling and reusing foamed EVA waste proposed by the utility model;

[0019] Figure 5 This is a partial structural schematic diagram of a containing mechanism in a granulator for recycling and reusing foamed EVA waste proposed by the utility model.

[0020] In the figure: 1. crushing box; 2. crushing fins; 3. cleaning box; 4. pretreatment box; 5. granulator body; 6. connecting pipe; 7. electric push rod; 8. fixing block; 9. linear guide device; 10. motor; 11. gear; 12. rotating shaft; 13. guide slider; 14. connecting column; 15. containing frame; 16. bottom plate; 17. leakage hole; 18. toggle baffle; 19. slide chute; 20. slide plate; 21. discharge pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5The utility model provides an embodiment: a granulator for recycling and reusing foamed EVA waste, comprising a crushing box 1 for crushing the foamed EVA waste first, a crushing mechanism is installed inside the crushing box 1, which can conveniently crush the recycled waste, and a discharge pipe 21 is arranged on the side wall of the crushing box 1, which can conveniently discharge the crushed foamed EVA waste, and a cleaning box 3 and a pretreatment box 4 of the pretreatment component are arranged in sequence at the rear end, and the bottom end of the pretreatment box 4 is connected to the input end (i.e., the feed inlet) of the granulator body 5 through a connecting pipe 6, which can facilitate granulation processing, and an ultrasonic generator can be arranged inside the cleaning box 3, which can be cleaned by ultrasonic wave, or Other cleaning methods are used to ensure that the crushed foamed EVA waste is cleaned and the cleaning effect is guaranteed. As for the pretreatment box 4, a drying device and a mixing device are provided inside it, which can facilitate the drying operation of the cleaned foamed EVA waste, and can also add plasticizers and the like for mixing and plasticizing (a mixing device can also be provided as needed to mix the plasticized mixture), and then it can be conveniently granulated through the granulator body 5. A screening device can also be provided at the rear end to facilitate the screening of the granulated particles to ensure that the particle size meets the requirements. A drying device, a packaging device, etc. can also be provided as needed. It is a relatively mature technology and will not be elaborated here.

[0023] See also Figure 1-Figure 5 In order to facilitate the crushing operation of the foamed EVA waste and facilitate the granulation and other processing, two groups of rotating shafts 12 of the crushing mechanism are symmetrically arranged inside the crushing box 1, and crushing fins 2 are installed on them at equal distances, and the crushing fins 2 on the two groups of rotating shafts 12 are staggered. In order to assist the crushing and ensure the crushing effect, the inner wall of the crushing box 1 can be welded with auxiliary fins that cooperate with the crushing fins 2, and gears 11 are installed at one end of the two groups of rotating shafts 12, and the two gears 11 are meshed with each other, and the end of one of the rotating shafts 12 (the end away from the gear 11) is fixedly connected to the output end of the motor 10 through a coupling, which can conveniently rotate the crushing fins 2 on the rotating shaft 12, and then the foamed EVA waste can be crushed.

[0024] See also Figure 1-Figure 5In order to facilitate the collection of the crushed foamed EVA waste, the subsequent cleaning operation, and the pouring of the waste into the pretreatment box 4 after cleaning, four sets of electric push rods 7 with adjustment mechanisms are arranged between the crushing box 1 and the granulator body 5, and a fixed block 8 is installed on the top thereof. A linear guide device 9 of a moving component is installed between the two fixed blocks 8 on the same side by bolts, and a guide slider 13 is slidably arranged on the linear guide device 9, which can be driven by a linear motor or by a reciprocating screw rod. It is a relatively mature technology and will not be described in detail here. The rail slider 13 is connected to a containing frame 15 of a containing mechanism through a connecting column 14, a slide groove 19 of a sliding assembly is provided at the bottom end thereof, a slide plate 20 is slidably arranged inside, a bottom plate 16 is welded to the bottom end of the slide plate 20, and leakage holes 17 (the hole diameter is smaller than the particle diameter of the crushed foamed EVA waste, which can facilitate the separation of cleaned impurities from it and prevent the foamed EVA waste from escaping) are equidistantly provided on the bottom plate 16 and on the side surfaces of the containing frame 15, and a toggle baffle 18 is welded to the bottom end of the bottom plate 16, which can be conveniently matched with the pretreatment box 4 and can open and close the bottom plate 16.

[0025] Working principle: When the utility model is in use, the foamed EVA waste is added into the crushing box 1, and the motor 10 works to drive the rotating shaft 12 and the gear 11 to rotate, and then the crushing fins 2 can be driven to rotate, so as to crush the foamed EVA waste, and the crushed EVA waste enters the containing frame 15 through the discharge pipe 21, and then the linear guide device 9 works to drive the guide slider 13 and the containing frame 15 to move toward the direction of the cleaning box 3, and then the electric push rod 7 is extended to drive the whole upward, and when it moves to the top of the cleaning box 3, the electric push rod 7 is contracted to drive the containing frame 15 downward into the cleaning box 3, so as to clean the crushed foamed EVA waste, and after cleaning, the electric push rod 7 is extended to move it out of the cleaning box 3 and continue to move, and when it moves to the side of the pre-treatment box 4, the baffle 18 is pushed to contact the feed hopper of the pre-treatment box 4, and the guide slider 13 continues to move toward the pre-treatment box. The sliding plate 20 on the bottom plate 16 slides in the slide groove 19, and the bottom of the containing frame 15 can be opened, so that the foamed EVA waste enters the pretreatment box 4 for drying and other operations, and then enters the granulator body 5 through the connecting pipe 6 for granulation. When the bottom of the containing frame 15 needs to be closed, the electric push rod 7 is extended and moved upward as a whole, and the sliding plate 18 does not contact the feed hopper. The guide slider 13 moves toward the pretreatment box 4, and the electric push rod 7 shrinks. At this time, the sliding plate 18 contacts the inner wall of the feed hopper, and the linear guide device 9 works, and the guide slider 13 moves and resets, and then the bottom plate 16 can be reset, and the bottom of the containing frame 15 can be blocked. The containing frame 15 is moved upward, and then the guide slider 13 moves and cooperates with the extension and retraction of the electric push rod 7 to reset the containing frame 15, which is convenient for the next processing.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A granulator for recycling and reusing foamed EVA waste, comprising a crushing box (1) and a granulator body (5), characterized in that: A pulverizing mechanism is provided in the pulverizing box (1), a discharge pipe (21) is provided on the side wall of the pulverizing box (1), a cleaning box (3) and a pretreatment component are provided in sequence between the pulverizing box (1) and the granulator body (5), and a containing mechanism is also provided between the pulverizing box (1) and the granulator body (5) via an adjusting mechanism.

2. A granulator for recycling and reusing foamed EVA waste according to claim 1, characterized in that: The pulverizing mechanism comprises a rotating shaft (12) symmetrically arranged inside a pulverizing box (1), pulverizing fins (2) being equidistantly arranged on the rotating shaft (12), and two pulverizing fins (2) being staggeredly distributed, two gears (11) meshing with each other being arranged at one end of the two rotating shafts (12), and one end of the rotating shaft (12) being fixedly connected to an output end of a motor (10).

3. A foamed EVA waste recycling granulator according to claim 2, characterized in that: The adjustment mechanism comprises electric push rods (7) equidistantly arranged between the crushing box (1) and the granulator body (5), the top ends of the electric push rods (7) are each provided with a fixed block (8), and a moving component is provided between two fixed blocks (8) on the same side.

4. A granulator for recycling and reusing foamed EVA waste according to claim 3, characterized in that: The moving assembly comprises a linear guide rail device (9) arranged between two fixed blocks (8) on the same side, a guide rail slider (13) is provided on the linear guide rail device (9), and the guide rail slider (13) is connected to the containing mechanism via a connecting column (14).

5. A granulator for recycling and reusing foamed EVA waste according to claim 4, characterized in that: The containing mechanism comprises a containing frame (15) fixedly connected to a connecting column (14); a bottom plate (16) is provided at the bottom end of the containing frame (15) via a sliding assembly; leakage holes (17) are equidistantly provided on the bottom plate (16) and on the peripheral side surfaces of the containing frame (15).

6. The granulator for recycling and reusing foamed EVA waste according to claim 5, characterized in that: The sliding assembly comprises a sliding groove (19) symmetrically arranged under the containing frame (15), a sliding plate (20) is slidingly arranged in the sliding groove (19), the sliding plate (20) is fixedly connected to the bottom plate (16), and a toggle baffle (18) is fixedly arranged at the bottom end of the bottom plate (16).

7. A granulator for recycling and reusing foamed EVA waste according to claim 6, characterized in that: The pretreatment component comprises a pretreatment box (4) arranged between a cleaning box (3) and the granulator body (5); the bottom end of the pretreatment box (4) is connected to the input end of the granulator body (5) through a connecting pipe (6).

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