Phenolic moulding plastic waste grinding and crushing device

Abstract

The utility model discloses a phenolic moulding plastic waste grinding and smashing device which comprises a smashing box, a smashing and grinding assembly is arranged in the smashing box, a pressing assembly is arranged above the smashing box, material guiding plates are symmetrically and fixedly connected to the inner walls of the front side and the rear side of the smashing box, a support is fixedly connected to the lower surface of the smashing box, and the pressing assembly is arranged above the smashing box. And the bottom end of the crushing box is connected with a discharging pipe in a penetrating manner. By arranging the crushing and grinding assembly, when waste materials are crushed and ground, the crushing and grinding assembly crushes the waste materials, a grinding roller is driven to rotate through transmission of a transmission belt, crushed particles are ground, the ground particles are discharged through a discharging pipe, crushing and grinding are carried out at the same time, the machining efficiency is improved, and energy conservation and practicability are achieved; through the arranged pressing assembly and the arranged material guide plate, during feeding, the pressing assembly presses and limits waste materials when the waste materials are crushed, the situation that crushing is affected by movement of the waste materials is avoided, meanwhile, the waste materials are concentrated at the crushing opening to assist crushing, and the crushing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering plastics production equipment technical field especially relates to a phenolic molding compound waste material grinding and crushing device. BACKGROUND

[0002] Phenolic molding compound is widely used due to its excellent performance, and its output and consumption increase year by year, ranking first among thermosetting resins. At the same time, due to the difficulty in ensuring complete consumption of phenolic molding compound in actual production process, a part of leftover materials will be left, which will inevitably cause the increasing number of discarded and to-be-discarded phenolic molding compound. Phenolic molding compound has a unique three-dimensional network molecular structure, and after curing, it shows the characteristics of not melting, has excellent qualities such as heat resistance and insulation, but also leads to the problem that it cannot be biodegraded after being discarded and is difficult to be recycled, so that the resource utilization degree of discarded thermosetting phenolic molding compound is very low, and almost all of them are landfilled and incinerated. This not only causes serious pollution to the environment, but also is a great waste of resources. Therefore, it is urgent to study the recycling of these waste materials for waste-to-resource and environmental protection.

[0003] The existing grinding and crushing device uses waste plastic film as raw material, which has irregular shape and size, resulting in low crushing efficiency and low energy saving. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a phenolic molding compound waste material grinding and crushing device. When the waste material is ground and crushed by the grinding and crushing assembly, the waste material is ground by the grinding and crushing assembly, the ground particles are ground by the transmission belt, the ground particles are discharged through the discharge pipe, the grinding and crushing are carried out at the same time, the processing efficiency is improved, and the device is energy-saving and practical. Through the setting of the pressing assembly and the guide plate, when the waste material is ground, the pressing assembly is pressed and limited, which avoids the influence of the waste material on the grinding, and makes the waste material concentrate in the grinding port to assist the grinding and improve the grinding efficiency.

[0005] One of the purposes of the utility model is achieved by the following technical scheme: a phenolic molding compound waste material grinding and crushing device, comprising: a crushing box, a grinding and crushing assembly is arranged in the crushing box, a pressing assembly is arranged above the crushing box, guide plates are symmetrically and fixedly connected to the front and rear inner walls of the crushing box, a support is fixedly connected to the lower surface of the crushing box, and a discharge pipe is connected to the bottom end of the crushing box.

[0006] The crushing and grinding assembly comprises a crushing roller, a grinding roller and a motor, the two crushing rollers are arranged in a front-rear symmetrical mode, the grinding roller is located directly below the crushing roller, the two ends of the crushing roller and the grinding roller are rotationally connected with the left and right side inner walls of the crushing box, gears are fixedly connected to the same end of the two crushing rollers, the gears are in mesh with each other, the output end of the motor is fixedly connected with one end of one of the crushing rollers, a belt pulley one is fixedly connected to the right end of the other crushing roller, a belt pulley two is fixedly connected to the right end of the grinding roller, and the belt pulley one and the belt pulley two are drivingly connected through a transmission belt.

[0007] According to the phenolic molding waste grinding and crushing device, the bottom end of the motor is fixedly connected with a mounting plate, and the left wall of the mounting plate is fixedly connected with the right wall of the crushing box.

[0008] According to the phenolic molding waste grinding and crushing device, an electromagnetic valve is mounted in the discharge pipe.

[0009] According to the phenolic molding waste grinding and crushing device, the pressing assembly comprises a hydraulic cylinder, the bottom end of the hydraulic cylinder is fixedly connected with a fixed plate, the movable rod of the hydraulic cylinder is fixedly connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with an arc-shaped pressing plate, and the bottom end of the arc-shaped pressing plate is provided with a protrusion.

[0010] According to the phenolic molding waste grinding and crushing device, the front wall of the fixed plate is fixedly connected with the rear wall of the crushing box.

[0011] According to the phenolic molding waste grinding and crushing device, the protrusion is located between the two guide plates.

[0012] According to the phenolic molding waste grinding and crushing device, the inner bottom end of the crushing box is an arc surface.

[0013] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in conjunction with the drawings and examples.

[0015] Figure 1 It is a perspective view of the phenolic molding plastic waste grinding and crushing device;

[0016] Figure 2 It is a perspective view of the crushing and grinding assembly of the phenolic molding plastic waste grinding and crushing device;

[0017] Figure 3 It is a sectional view of the phenolic molding plastic waste grinding and crushing device;

[0018] Figure 4 It is a perspective view of the pressing assembly of the phenolic molding plastic waste grinding and crushing device.

[0019] Legend:

[0020] 1, crushing box; 2, pressing assembly; 3, crushing and grinding assembly; 4, support; 5, guide plate; 6, discharge pipe; 7, electromagnetic valve; 401, crushing roller; 402, gear; 403, pulley one; 404, grinding roller; 405, pulley two; 406, transmission belt; 407, motor; 408, mounting plate; 501, fixed plate; 502, hydraulic cylinder; 503, connecting plate; 504, arc-shaped pressing plate; 505, protrusion. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Referring to Figures 1-4 , the utility model embodiment a kind of phenolic molding plastic waste grinding and crushing device, it includes: crushing box 1, the inside bottom end of crushing box 1 is arc surface, the inside of crushing box 1 is equipped with crushing and grinding assembly 3, the upper of crushing box 1 is equipped with pressing assembly 2, the inside wall of the front and rear of crushing box 1 is symmetrically fixed with guide plate 5, the lower surface of crushing box 1 is fixed with support 4, the bottom end of crushing box 1 is connected with discharge pipe 6, electromagnetic valve 7 is installed in the inside of discharge pipe 6;

[0023] The crushing and grinding assembly 3 comprises two crushing rollers 401, a grinding roller 404 and a motor 407. The two crushing rollers 401 are symmetrically arranged in front and back, and the grinding roller 404 is located directly below the crushing rollers 401. The two ends of the crushing rollers 401 and the grinding roller 404 are rotatably connected with the left and right inner walls of the crushing box 1. The same end of the two crushing rollers 401 is fixedly connected with a gear 402. The two gears 402 are meshed with each other. The bottom end of the motor 407 is fixedly connected with a mounting plate 408. The left wall of the mounting plate 408 is fixedly connected with the right wall of the crushing box 1. The output end of the motor 407 is fixedly connected with one end of one crushing roller 401. The right end of the other crushing roller 401 is fixedly connected with a belt pulley one 403. The right end of the grinding roller 404 is fixedly connected with a belt pulley two 405. The belt pulley one 403 and the belt pulley two 405 are drivingly connected through a transmission belt 406.

[0024] The pressing assembly 2 comprises a hydraulic cylinder 502. The bottom end of the hydraulic cylinder 502 is fixedly connected with a fixed plate 501. The front wall of the fixed plate 501 is fixedly connected with the rear wall of the crushing box 1. The top end of the movable rod of the hydraulic cylinder 502 is fixedly connected with a connecting plate 503. The lower surface of the connecting plate 503 is fixedly connected with an arc-shaped pressing plate 504. The bottom end of the arc-shaped pressing plate 504 is provided with a protrusion 505, which is located between the two side material guiding plates 5. When the waste material is crushed and ground by the crushing and grinding assembly 3, the motor 407 is started to drive one crushing roller 401 to rotate. Through the meshing transmission of the two gears 402, the other crushing roller 401 is driven to rotate towards each other to crush the waste material. While the crushing roller 401 rotates, the belt pulley one 403 rotates to drive the grinding roller 404 to rotate through the transmission of the transmission belt 406. The crushed particles are ground in the inner cavity of the crushing box 1. The ground particles are discharged through the discharge pipe 6. The crushing and grinding are carried out at the same time, which improves the processing efficiency and is energy-saving and practical. Through the pressing assembly 2 and the material guiding plate 5, when the waste material is fed into the feeding port, the hydraulic cylinder 502 is started to retract the movable rod, which drives the arc-shaped pressing plate 504 to ascend and descend to press and limit the waste material during crushing, so as to avoid the influence of the waste material movement on crushing and to concentrate the waste material in the crushing port to assist crushing and improve the crushing efficiency.

[0025] Working principle: when using, the waste is poured into the feed inlet, next, the reciprocating starting hydraulic cylinder 502 retracts the movable rod, drives the arc pressing plate 504 to lift, presses and limits the waste during the crushing, avoids the influence of the movable waste on the crushing, simultaneously concentrates the waste in the crushing port to assist the crushing, when the waste is crushed and ground, the motor 407 is started to drive one side of the crushing roller 401 to rotate, through the meshing transmission of the two gears 402, drives the other side of the crushing roller 401 to rotate oppositely, crushes the waste, the crushing roller 401 rotates simultaneously to drive the belt pulley one 403 to rotate, through the transmission of the transmission belt 406, drives the grinding roller 404 to rotate, cooperates with the inner cavity of the crushing box 1 to grind the crushed particles, then opens the electromagnetic valve 7, the ground particles are discharged through the discharge pipe 6.

[0026] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A phenolic molding compound waste grinding and pulverizing device, comprising: The application discloses a pulverizing box (1), characterized in that the inside of the pulverizing box (1) is provided with a pulverizing and grinding assembly (3), the upper portion of the pulverizing box (1) is provided with a pressing assembly (2), the front and rear side inner walls of the pulverizing box (1) are symmetrically fixedly connected with guide plates (5), the lower surface of the pulverizing box (1) is fixedly connected with a support (4), and the bottom end of the pulverizing box (1) is connected with a discharging pipe (6) in a penetrating mode. The pulverizing and grinding assembly (3) comprises pulverizing rollers (401), a grinding roller (404) and a motor (407), the two pulverizing rollers (401) are arranged in a front-rear symmetric mode, the grinding roller (404) is located directly below the pulverizing rollers (401), the two ends of each of the pulverizing rollers (401) and the grinding roller (404) are rotationally connected with the left and right side inner walls of the pulverizing box (1) in a penetrating mode, one end of each of the two pulverizing rollers (401) is fixedly connected with a gear (402), the two gears (402) are in meshing connection with each other, the output end of the motor (407) is fixedly connected with one end of one of the pulverizing rollers (401), the right end of the other pulverizing roller (401) is fixedly connected with a belt pulley one (403), the right end of the grinding roller (404) is fixedly connected with a belt pulley two (405), and the belt pulley one (403) and the belt pulley two (405) are transmissionally connected through a transmission belt (406).

2. The phenolic molding compound waste grinding and crushing device according to claim 1, characterized in that, The bottom end of the motor (407) is fixedly connected with a mounting plate (408), and the left wall of the mounting plate (408) is fixedly connected with the right wall of the pulverizing box (1).

3. The phenolic molding compound waste grinding and crushing device according to claim 1, characterized in that, An electromagnetic valve (7) is arranged in the inside of the discharging pipe (6).

4. The phenolic molding compound waste grinding and crushing device according to claim 1, characterized in that, The pressing assembly (2) comprises a hydraulic cylinder (502), the bottom end of the hydraulic cylinder (502) is fixedly connected with a fixed plate (501), the top end of the movable rod of the hydraulic cylinder (502) is fixedly connected with a connecting plate (503), the lower surface of the connecting plate (503) is fixedly connected with an arc-shaped pressing plate (504), and the bottom end of the arc-shaped pressing plate (504) is provided with a protrusion (505).

5. A phenolic molding compound waste grinding and pulverizing device according to claim 4, characterized by The front wall of the fixed plate (501) is fixedly connected with the rear wall of the pulverizing box (1).

6. A phenolic molding compound waste grinding and pulverizing device according to claim 4, characterized by The protrusion (505) is located between the two guide plates (5).

7. The phenolic molding compound waste grinding and pulverizing device according to claim 1, characterized in that, The inside bottom end of the pulverizing box (1) is an arc surface.

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