Rubber crushing device for rubber recycling

Abstract

The utility model relates to a rubber crushing device for recycling rubber, which belongs to the technical field of rubber recycling equipment and comprises a rack, a crushing box is mounted on the rack, the lower end of the crushing box is communicated with a primary screening box, the lower end of the primary screening box is communicated with a secondary screening box, two groups of crushing devices are mounted in the crushing box, and the crushing devices are communicated with the secondary screening box. An extrusion feeding device is mounted on the crushing box; a telescopic rod of the extrusion feeding device is adopted to drive a rotary cover to rotate on the crushing box and drive an extrusion block to extrude rubber in the crushing box, so that the rubber in the crushing box quickly moves downwards, the rubber is quickly crushed by the crushing device, the time for the rubber to enter the crushing box is shortened, and the crushing efficiency is improved; according to the rubber crushing and screening device, rubber materials are crushed and screened through screening of the first-stage screening box and the second-stage screening box.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber recycling equipment technical field, specifically point to a kind of rubber crushing device for rubber recycling. BACKGROUND

[0002] Chinese patent discloses a kind of waste silicone rubber material recycling crushing device (publication number: CN115319963A), the patent includes box, feed tank and purification cylinder, crushing roller is rotationally connected in feed tank by shaft, first crushing box is fixedly connected in the box interior, sliding material cavity is arranged in the box interior and at the top of first crushing box, sliding material cylinder is communicated in the two sides of sliding material cavity, first crushing shaft is vertically arranged in first crushing box by first fixed frame, second crushing shaft is horizontally arranged in first crushing box by second fixed frame, the end of second crushing shaft surface and close to sliding material cylinder is fixedly connected with crushing knife, second crushing box is arranged in the box interior and at the bottom of first crushing box, the present application relates to rubber recycling technical field.This kind of waste silicone rubber material recycling crushing device solves the problem that the size of silicon rubber particle after crushing is not uniform, and simultaneously solves the problem of dust generation in crushing process.

[0003] In the above-mentioned patent, although the problem of uneven crushing of rubber materials can be solved, rubber is soft. When entering the feed tank, the time is slow, resulting in low crushing efficiency.

[0004] In order to solve the above-mentioned defects, the present application provides a technical scheme. UTILITY MODEL CONTENT

[0005] The utility model solves the above technical problem, and provides a rubber crushing device for rubber recycling.

[0006] To solve the above technical problem, the utility model provides a technical scheme:

[0007] A rubber crushing device for rubber recycling, comprising a rack, a crushing box mounted on the rack, a primary screening box communicated with the lower end of the crushing box, a secondary screening box communicated with the lower end of the primary screening box, two groups of crushing devices mounted in the crushing box, and an extrusion feeding device mounted on the crushing box.

[0008] The extrusion feeding device comprises a fixed plate connected to the rack and a telescopic rod hinged to the fixed plate, a rotating cover hinged to the crushing box, the output end of the telescopic rod hinged to the rotating cover, and an extrusion block mounted at the lower end of the rotating cover.

[0009] Preferably, a screening plate is mounted in the primary screening box, and screening holes are formed in the screening plate.

[0010] Preferably, one side of the primary screening box is provided with a screening opening, and the screening plate is arranged obliquely towards the screening opening.

[0011] Preferably, one side of the secondary screening box is provided with a discharge opening, and the bottom of the secondary screening box is arranged obliquely towards the discharge opening.

[0012] Preferably, the directions of the discharge opening and the screening opening are opposite.

[0013] Preferably, the crushing device comprises a driving motor and a rotating shaft at the output end of the driving motor, the rotating shaft is arranged in the crushing box through a bearing, a plurality of partition blocks are arranged on the side wall of the crushing box, a rotating groove is arranged on the partition block, a plurality of limiting discs and crushing discs are arranged on the rotating shaft, the limiting disc is arranged in the rotating groove, and the crushing disc is arranged between two limiting discs.

[0014] Preferably, the crushing discs of the two groups of crushing devices are arranged in a staggered mode.

[0015] Preferably, the driving motor is fixed on the rack through bolts.

[0016] After the above structure is adopted, the present application has the following advantages:

[0017] The rotating cover is driven by the telescopic rod of the extrusion feeding device to rotate on the crushing box, the extrusion block is driven to extrude the rubber in the crushing box, the rubber in the crushing box is rapidly moved downwards, the rubber is rapidly crushed through the crushing device, the time for the rubber to enter the crushing box is accelerated, and the crushing efficiency is improved.

[0018] The present application screens the rubber material crushing through the screening of the primary screening box and the secondary screening box.

[0019] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described exemplary aspects, embodiments and features, further aspects, embodiments and features of the present application will be apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

[0021] Figure 1 is a structural schematic diagram of the present application;

[0022] Figure 2 is the installation schematic diagram of the screening plate of the utility model;

[0023] Figure 3 is the structural schematic diagram of the pulverizing device of the utility model;

[0024] Figure 4 is the schematic diagram of opening of the utility model.

[0025] As shown in the figure: 1, rack; 2, pulverizing box; 3, primary screening box; 301, screening port; 4, secondary screening box; 401, discharge port; 5, pulverizing device; 501, driving motor; 502, rotating shaft; 503, partition block; 504, rotary groove; 505, limiting disc; 506, crushing disc; 6, extrusion feeding device; 601, fixed plate; 602, telescopic rod; 603, rotary cover; 604, extrusion block; 7, screening plate; 701, screening hole. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The utility model will be further described in detail below in combination with the whole text.

[0029] In combination with the drawings Figures 1-4 A rubber pulverizing device for rubber recycling, including rack 1, the rack 1 is installed with pulverizing box 2, the lower end of pulverizing box 2 is communicated with primary screening box 3, the lower end of primary screening box 3 is communicated with secondary screening box 4, two groups of pulverizing devices 5 are installed in pulverizing box 2, and extrusion feeding device 6 is installed on pulverizing box 2.

[0030] The utility model in specific implementation, such as Figure 1 And Figure 4As shown, the extrusion feeding device 6 includes a fixed plate 601 connecting the frame 1 and a telescopic rod 602 hinged to the fixed plate 601. A rotating cover 603 is hinged to the crushing box 2. The output end of the telescopic rod 602 is hinged to the rotating cover 603, and an extrusion block 604 is installed at the lower end of the rotating cover 603. The two ends of the telescopic rod 602 are respectively hinged to the fixed plate 601 and the rotating cover 603. The telescopic rod 602 is existing technology. When the telescopic rod 602 extends, it will drive the rotating cover 603 to rotate on the crushing box 2, thereby opening the crushing box 2 and allowing rubber to be put into the crushing box 2. When the telescopic rod 602 retracts, it will drive the rotating cover 603 to rotate and close with the crushing box 2, thereby driving the extrusion block 604 to extrude the rubber in the crushing box 2, causing the rubber in the crushing box 2 to move downward quickly, thereby being rapidly crushed by the crushing device 5.

[0031] In specific implementation of this utility model, such as Figure 1 and Figure 2 As shown, a screening plate 7 is installed inside the primary screening box 3, with screening holes 701 on the screening plate 7. A screening port 301 is provided on one side of the primary screening box 3, and the screening plate 7 is installed at an inclination toward the screening port 301. A discharge port 401 is provided on one side of the secondary screening box 4, and the bottom of the secondary screening box 4 is installed at an inclination toward the discharge port 401. Rubber crushed by the crushing device 5 falls onto the screening plate 7, is screened through the screening holes 701, and falls into the secondary screening box 4. Because the screening plate 7 is installed at an inclination toward the screening port 301, the rubber that does not fall into the secondary screening box 4 flows toward the screening port 301, and the rubber that falls into the secondary screening box 4 is discharged through the discharge port 401.

[0032] The discharge port 401 and the screening port 301 are in opposite directions. Specifically, the two outlets have different directions to prevent the rubber from the discharge port 401 and the screening port 301 from getting mixed up.

[0033] In specific implementation of this utility model, such as Figure 1 and Figure 3As shown, the crushing device 5 includes a driving motor 501 and a rotating shaft 502 at the output end of the driving motor 501, the rotating shaft 502 is installed in the crushing box 2 through a bearing, a plurality of partition blocks 503 are installed on the side wall of the crushing box 2, a rotating groove 504 is formed on the partition block 503, a plurality of limiting discs 505 and crushing discs 506 are installed on the rotating shaft 502, the limiting disc 505 is located in the rotating groove 504, the crushing disc 506 is located between the two limiting discs 505, the driving motor 501 drives the rotating shaft 502 to rotate, which can drive the limiting disc 505 to rotate in the rotating groove 504, and the crushing disc 506 rotates to crush the rubber, the crushing discs 506 of the two crushing devices 5 are staggered, the driving motor 501 is fixed on the rack 1 through bolts, the crushing discs 506 of the two crushing devices 5 are staggered, the rubber can be completely crushed, and the limiting disc 505 rotates in the rotating groove 504 to play a limiting role, and when external force is generated during crushing, the limiting disc 505 can offset the external force.

[0034] The working principle of the utility model is as follows:

[0035] Embodiment one:

[0036] The rubber in the crushing box 2 is crushed by the crushing device 5, the driving motor 501 drives the rotating shaft 502 to rotate, which can drive the limiting disc 505 to rotate in the rotating groove 504, and the crushing disc 506 rotates to crush the rubber, the rubber crushed by the crushing device 5 falls on the screening plate 7, and is screened through the screening hole 701 and falls into the secondary screening box 4, the rubber not falling into the secondary screening box 4 flows to the screening port 301 because the screening plate 7 is installed and arranged obliquely to the screening port 301, and the rubber falling into the secondary screening box 4 is discharged through the discharge port 401.

[0037] Embodiment two:

[0038] The difference between the embodiment and embodiment one is that the extrusion feeding device 6 is added, when the telescopic rod 602 is stretched, the rotating cover 603 is rotated on the crushing box 2, so that the crushing box 2 is opened, the rubber can be placed in the crushing box 2, when the telescopic rod 602 is retracted, the rotating cover 603 is rotated and closed with the crushing box 2, so that the extrusion block 604 extrudes the rubber in the crushing box 2, so that the rubber in the crushing box 2 moves downward quickly, and is quickly crushed by the crushing device 5.

[0039] The utility model and its implementation mode are described above, and the description is not restrictive, and the shown in the full text is only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structure modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A rubber pulverizing device for rubber recycling, characterized by, Including the rack (1), the rack (1) is installed with the crushing box (2), the lower end of the crushing box (2) is communicated with the first screening box (3), the lower end of the first screening box (3) is communicated with the second screening box (4), two groups of crushing devices (5) are installed in the crushing box (2), the crushing box (2) is installed with extrusion feeding device (6); The extrusion feeding device (6) includes a fixed plate (601) connected to the rack (1) and a telescopic rod (602) hinged to the fixed plate (601), a rotating cover (603) is hinged to the crushing box (2), the output end of the telescopic rod (602) is hinged to the rotating cover (603), and the lower end of the rotating cover (603) is provided with an extrusion block (604).

2. The rubber shredding device for rubber recycling according to claim 1, characterized in that: The inside of the first screening box (3) is provided with a screening plate (7), and the screening plate (7) is provided with a screening hole (701).

3. The rubber shredding device for rubber recycling according to claim 2, characterized in that: One side of the first screening box (3) is provided with a screening port (301), and the screening plate (7) is inclinedly arranged towards the screening port (301).

4. The rubber shredding device for rubber recycling according to claim 3, characterized in that: One side of the second screening box (4) is provided with a discharge port (401), and the bottom of the second screening box (4) is inclinedly arranged towards the discharge port (401).

5. The rubber shredding device for rubber recycling according to claim 4, characterized in that: The directions of the discharge port (401) and the screening port (301) are opposite.

6. The rubber shredding device for rubber recycling according to claim 1, characterized in that: The crushing device (5) includes a driving motor (501) and a rotating shaft (502) at the output end of the driving motor (501), the rotating shaft (502) is installed in the crushing box (2) through a bearing, a plurality of partition blocks (503) are installed on the side wall of the crushing box (2), a rotating groove (504) is formed in the partition block (503), a plurality of limiting discs (505) and crushing discs (506) are installed on the rotating shaft (502), the limiting disc (505) is located in the rotating groove (504), the crushing disc (506) is located between two limiting discs (505), and the driving motor (501) is fixed on the rack (1) through bolts.

7. The rubber shredding device for rubber recycling according to claim 6, characterized in that: The crushing discs (506) of the two groups of crushing devices (5) are staggered.

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