Particle screening device for plastic recycling

Abstract

The utility model relates to the technical field of plastic particle screening equipment, in particular to a particle screening device for plastic recycling, which comprises a mounting frame and a screening box arranged above the mounting frame, a supporting sleeve is fixedly mounted at the top of the mounting frame, and a vibrating spring and a limiting disc are respectively arranged in the supporting sleeve. A vibrating rod is arranged at the top of the supporting sleeve, a discharging hopper is arranged at the bottom of the screening box, a vibrating motor is fixedly installed on the rear side of the screening box, a feeding hopper is arranged at the top of the screening box, a screening plate is arranged on the right side of the screening box, and a convenient installation mechanism is arranged between the screening plate and the screening box. According to the particle screening device for plastic recycling, by means of the structural design in the convenient mounting mechanism, the purpose of easily mounting and dismounting the screen plates is achieved, workers can conveniently replace the screen plates with different screen holes, and the flexibility of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic particle screening equipment technical field, concretely is a kind of granule screening device for plastic recycling. BACKGROUND

[0002] In the plastic recycling process, waste plastics need to be processed to form particles, which is convenient for recycling, and the particles need to be screened, and particle screening is one of the key links.

[0003] At present, a kind of granule screening device for plastic recycling is used, and through retrieval, for example, a kind of granule screening device for plastic recycling is disclosed in Chinese patent document with authorized publication number CN214056046U, including device main body, the upper end of the granule screening device for plastic recycling is equipped with vibration motor, the inside fixed connection of device main body has upper layer screening layer and lower layer screening layer, the lower layer screening layer is located in the lower end of upper layer screening layer, the front end of device main body is fixedly connected with adjustable control discharge mechanism, the rear end of device main body is provided with detachable positioning screening feed mechanism.The granule screening device for plastic recycling disclosed in the utility model is provided with adjustable control discharge mechanism and detachable positioning screening feed mechanism, which can conveniently discharge and control better.

[0004] Although the above patent solves the problems in the background art, there are still the following deficiencies: 1. The filter screen and the feed tank in the device are fixedly connected by a fixed part. This connection method does not have the convenience of disassembly, so during screening, the size of the screen holes of the screen plate cannot be quickly replaced according to the screening requirements, thereby reducing the flexibility of the device and being not conducive to subsequent screening operations; 2. The device relies on a vibration motor and a vibration spring to realize the frequency vibration of the device. The vibration spring is prone to horizontal shaking, which affects the structural stability of the entire device and causes structural fatigue.

[0005] In summary, the utility model solves the problems in the background art by designing a granule screening device for plastic recycling. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a granule screening device for plastic recycling to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0008] The utility model provides a granule screening device for plastic recycling, including the mounting frame and the screening box who sets up above the mounting frame, the top fixed mounting of mounting frame has supported sleeve, the inside of supported sleeve is provided with vibration spring and limit disc respectively, the top of supported sleeve is provided with vibration rod, the bottom of screening box is provided with discharge hopper, the rear side fixed mounting of screening box has vibration motor, the top of screening box is provided with feeding hopper, the right side of screening box is provided with sieve plate, and the convenient installation mechanism is arranged between sieve plate and screening box.

[0009] The convenient installation mechanism includes a positioning column, a supporting spring, and a fixed plate, the positioning column and the supporting spring are fixedly installed on the right side of the screening box, the right end of the positioning column is provided with an eccentric stopper, and the fixed plate is fixedly installed on the right side surface of the sieve plate.

[0010] As a preferred scheme of the utility model, the supporting sleeve is located at the top end corner of the mounting frame, and the top end of the vibration rod is fixedly connected with the bottom of the screening box.

[0011] As a preferred scheme of the utility model, the outer side surface of the limit disc slides with the inner wall of the supporting sleeve, and the bottom surface thereof is in contact with the vibration spring, the bottom end of the vibration rod penetrates through the top surface of the supporting sleeve and is fixed with the top of the limit disc.

[0012] As a preferred scheme of the utility model, the discharge hopper and the feeding hopper are in communication with the inside of the screening box.

[0013] As a preferred scheme of the utility model, the sieve plate penetrates through the right side surface of the screening box and extends inward, and it completely covers the inner wall of the screening box.

[0014] As a preferred scheme of the utility model, the outer side surface of the positioning column is in contact with the inner wall of the positioning hole, the supporting spring is embedded in the right side surface of the screening box, and the right end thereof is in contact with the fixed plate.

[0015] As a preferred scheme of the utility model, the eccentric stopper is eccentrically rotatably connected with the right end of the positioning column through a spool.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The utility model discloses a kind of granule screening devices for plastic recycling, to utilize the structural design in convenient installation mechanism, under the adhesion of positioning column and positioning hole, accurate positioning can be carried out to sieve plate and fixed plate, under the eccentric rotation of eccentric block and the support of support spring to fixed plate, friction contact is formed between eccentric block and fixed plate, the stable fixation of fixed plate is realized, and then the purpose of sieve plate is easily installed and disassembled, different sieve hole sieve plate is replaced for staff to operate, improve the flexibility of device.

[0018] 2. The utility model discloses a kind of granule screening devices for plastic recycling, to utilize the structural design of support sleeve, vibration rod, vibration spring and limit disc, under the combination between limit disc and support sleeve, the excessive displacement of screening box can be effectively limited, and then the stability of screening box in vibration process is ensured, and structural fatigue is avoided. DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram when the vibration rod of the utility model is separated from support sleeve;

[0021] Figure 3 It is the structure schematic diagram of screening box of the utility model;

[0022] Figure 4 It is the structure schematic diagram of sieve plate of the utility model.

[0023] In the drawing: 1, mounting frame; 2, screening box; 3, support sleeve; 301, vibration spring; 302, limit disc; 303, vibration rod; 4, discharge hopper; 5, vibration motor; 6, feed hopper; 7, sieve plate; 8, convenient installation mechanism; 801, positioning column; 802, support spring; 803, fixed plate; 804, eccentric block; 805, positioning hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all embodiments, based on the embodiments in the utility model, all other embodiments obtained by person skilled in the art without making creative labor belong to the range of the utility model protection.

[0025] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be an intervening element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0028] Embodiments, please refer to Figures 1-4 The utility model provides a technical scheme:

[0029] A kind of granule screening device for plastic recycling, including mounting bracket 1 and the screening box 2 being arranged above mounting bracket 1, the top of mounting bracket 1 is fixedly installed with support sleeve 3, the inside of support sleeve 3 is provided with vibration spring 301 and limit disc 302 respectively, the top of support sleeve 3 is provided with vibration rod 303, the bottom of screening box 2 is provided with discharge hopper 4, vibration motor 5 is fixedly installed at the rear side of screening box 2, the top of screening box 2 is provided with feeding hopper 6, the right side of screening box 2 is provided with sieve plate 7, convenient installation mechanism 8 is arranged between sieve plate 7 and screening box 2;

[0030] Specifically, support sleeve 3 is located at the top end corner of mounting bracket 1 respectively, the top of vibration rod 303 is fixedly connected with the bottom of screening box 2, the outer side surface of limit disc 302 is slidably attached to the inner wall of support sleeve 3, and the bottom surface thereof is in contact with vibration spring 301, the bottom end of vibration rod 303 penetrates the top surface of support sleeve 3 and is fixed to the top of limit disc 302.

[0031] In the embodiment, the limit disc 302 and the inner wall of the support sleeve 3 can slide by the arrangement of the vibration rod 303 and the limit disc 302, thereby achieving the function of limiting the screening box 2, and ensuring the stability of the screening box 2 during vibration.

[0032] Specifically, the discharge hopper 4 and the feeding hopper 6 are connected with the interior of the screening box 2, the screen plate 7 is attached to the right side surface of the screening box 2 and extends inward, and the screen plate 7 completely covers the inner wall of the screening box 2.

[0033] In this embodiment, the smooth flow of the material in the screening process is ensured by the discharge hopper 4 and the feeding hopper 6.

[0034] In this embodiment, please refer to Figure 1 , Figure 3 and Figure 4 The convenient installation mechanism 8 comprises a positioning column 801, a supporting spring 802 and a fixing plate 803, the positioning column 801 and the supporting spring 802 are fixedly installed on the right side of the screening box 2, the right end of the positioning column 801 is provided with an eccentric block 804, the fixing plate 803 is fixedly installed on the right side surface of the screen plate 7, and the right side surface of the fixing plate 803 is provided with a positioning hole 805.

[0035] Specifically, the outer side surface of the positioning column 801 is in contact with the inner wall of the positioning hole 805, the supporting spring 802 is embeddedly arranged on the right side surface of the screening box 2, the right end of the supporting spring 802 is in contact with the fixing plate 803, and the eccentric block 804 is eccentrically and rotatably connected with the right end of the positioning column 801 through a wire shaft.

[0036] In this embodiment, the positioning column 801 is in contact with the positioning hole 805, so that the fixing plate 803 is positioned, and the supporting spring 802 is arranged to apply an outward force to the fixing plate 803. Under the eccentric cooperation of the eccentric block 804 and the positioning column 801, the eccentric block 804 is in stable contact with the right side surface of the fixing plate 803, so that the screen plate 7 is conveniently installed, and the screen plate 7 is convenient to disassemble and replace in the future, which meets the needs of the users.

[0037] The utility model discloses a work flow: when using the granule screening device for a kind of plastic recycling, first, screen plate 7 is installed, screen plate 7 is moved, it is close and contacted with the inner wall of screening box 2, in the process of contact, ensure that positioning column 801 is contacted with positioning hole 805, while supporting spring 802 is contacted with fixed plate 803 and gradually presents compression, at this moment, eccentric stop block 804 can be eccentrically rotated, eccentric stop block 804 and fixed plate 803 form friction contact and realize the quick installation and fixation of fixed plate 803, thereby it is convenient to install screen plate 7, it is also convenient to replace the screen plate 7 of different screen hole subsequently, improve the flexibility of device, subsequently, plastic granule is poured into screening box 2 through feed hopper 6 and starts vibration motor 5, under the action of vibration motor 5, plastic granule can better pass through screen plate 7 and be discharged through discharge hopper 4, thereby realize the screening operation of granule, in the process of vibration, vibration rod 303 drives limit disc 302, limit disc 302 is adhered to slide along the inner wall of support sleeve 3 and extrudes vibration spring 301, can ensure the stability of screening box 2 when vibrating, it is convenient for subsequent use.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A granule screening device for plastic recycling, comprising a mounting frame (1) and a screening box (2) arranged above the mounting frame (1), characterized in that: The top of the mounting frame (1) is fixedly installed with a supporting sleeve (3), the inner part of the supporting sleeve (3) is respectively provided with a vibration spring (301) and a limiting disc (302), the top of the supporting sleeve (3) is provided with a vibration rod (303), the bottom of the screening box (2) is provided with a discharge hopper (4), the rear side of the screening box (2) is fixedly installed with a vibration motor (5), the top of the screening box (2) is provided with an inlet hopper (6), the right side of the screening box (2) is provided with a screen plate (7), the screen plate (7) and the screening box (2) are provided with a convenient mounting mechanism (8) between them. The convenient mounting mechanism (8) comprises a positioning column (801), a supporting spring (802) and a fixed plate (803), the positioning column (801) and the supporting spring (802) are both fixedly installed on the right side of the screening box (2), the right end of the positioning column (801) is provided with an eccentric stop block (804), the fixed plate (803) is fixedly installed on the right side surface of the screen plate (7), the right side surface of the fixed plate (803) is provided with a positioning hole (805).

2. A granule screening device for plastic recycling as claimed in claim 1, wherein: The supporting sleeve (3) is respectively located at the top end corner of the mounting frame (1), the top end of the vibration rod (303) is fixedly connected with the bottom of the screening box (2).

3. A granule screening device for plastic recycling as claimed in claim 1, wherein: The outer side surface of the limiting disc (302) is in sliding fit with the inner wall of the supporting sleeve (3), and the bottom surface thereof is in contact with the vibration spring (301), the bottom end of the vibration rod (303) penetrates through the top surface of the supporting sleeve (3) and is fixed with the top of the limiting disc (302).

4. A granule screening device for plastic recycling as claimed in claim 1, wherein: The discharge hopper (4) and the inlet hopper (6) are both in communication with the inside of the screening box (2).

5. A granule screening device for plastic recycling as claimed in claim 1, wherein: The screen plate (7) penetrates through the right side surface of the screening box (2) and extends inward, and it completely covers the inner wall of the screening box (2).

6. A granule screening device for plastic recycling as claimed in claim 1, wherein: The outer side surface of the positioning column (801) is in contact with the inner wall of the positioning hole (805), the supporting spring (802) is in embedded arrangement with the right side surface of the screening box (2), and the right end thereof is in contact with the fixed plate (803).

7. A granule screening device for plastic recycling as claimed in claim 1, wherein: The eccentric stop block (804) is in eccentric rotating connection with the right end of the positioning column (801) through a spool.

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