Graded crushing device for waste plastic recovery

Abstract

The utility model relates to the technical field of plastic recovery, in particular to a graded crushing device for waste plastic recovery. The graded crushing device for waste plastic recycling comprises supporting plates, a feeding hopper, a protective shell, a first crushing roller, a second crushing roller, a third crushing roller and a driving assembly, the protective shell is fixedly connected between the two supporting plates, the top of the protective shell is fixedly connected with the feeding hopper, and the first crushing roller is fixedly connected with the second crushing roller. And a group of first crushing rollers, a group of second crushing rollers and a group of third crushing rollers are rotationally arranged in the protective shell, and a plurality of driving assemblies are arranged on the rear side of the supporting plate. Through the graded crushing process, the proper crushing times can be selected according to different physical characteristics of waste plastics, and the optimal crushing effect is ensured, so that the crushing efficiency is improved, the product quality is ensured, and different application requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic recycling, especially to a grading crushing device for waste plastic recycling. BACKGROUND

[0002] Waste plastic recycling and crushing is an important step in the waste plastic recycling and processing process, and the main purpose is to decompose waste plastic products into smaller pieces to facilitate subsequent cleaning, classification, granulation and other processing. This process is of great significance to improve resource utilization and reduce environmental pollution.

[0003] The patent with the patent authorization publication number CN218905983U discloses a waste plastic recycling and crushing device, which includes a crushing barrel, a compression plate fixedly connected inside the crushing barrel, a gas cylinder arranged on the outer wall of the crushing barrel, a push plate arranged at the output end of the gas cylinder, and a crushing mechanism arranged inside the crushing barrel. Although the above-mentioned patent can improve the overall crushing efficiency by placing waste plastics on the compression plate, starting the gas cylinder to drive the push plate to compress the waste plastics, and then quickly crushing them, it cannot perform different degrees of crushing according to the physical properties of plastics such as hardness, toughness, and brittleness when crushing different types of waste plastics. This will lead to excessive crushing or incomplete crushing at one time, thus failing to achieve the best crushing effect, reducing the crushing efficiency, and affecting the product quality.

[0004] Therefore, there is a need for a grading crushing device for waste plastic recycling. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing patent in crushing different types of waste plastics, since the device only has one crushing mechanism, it cannot perform different degrees of crushing according to the physical properties of plastics such as hardness, toughness, and brittleness, which will lead to excessive crushing or incomplete crushing at one time, thus failing to achieve the best crushing effect, reducing the crushing efficiency, and affecting the product quality, the utility model provides a grading crushing device for waste plastic recycling.

[0006] The technical scheme is as follows: a grading crushing device for waste plastic recycling, comprising support plates, a feed hopper, a protective shell, first crushing rollers, second crushing rollers, third crushing rollers, drive assemblies, a blocking plate and a pull rod, the protective shell is fixedly connected between the two support plates, the feed hopper is fixedly connected to the top of the protective shell, a group of first crushing rollers are rotatably arranged in the protective shell, a group of second crushing rollers are rotatably arranged in the protective shell, a group of third crushing rollers are rotatably arranged in the protective shell, a plurality of drive assemblies are arranged on the rear side of the support plates, the drive assemblies are connected with the first crushing rollers, the second crushing rollers and the third crushing rollers respectively, the blocking plate is slidably arranged on the support plate on the right side, and the pull rod is fixedly connected to the blocking plate, and the grading crushing device further comprises first and second feed plates, the first feed plate is fixedly connected to the support plate on the right side, and the second feed plate is fixedly connected to the support plate on the right side.

[0007] As a preferred, the grading crushing device further comprises a connecting frame, a dustproof plate, first magnetic blocks, second magnetic blocks and handles, the connecting frame is fixedly connected to the top of each of the first and second feed plates, the dustproof plate is rotatably arranged on the connecting frame, the first magnetic blocks are embeddedly arranged on the connecting frame, the second magnetic blocks are embeddedly arranged on the dustproof plate, and the handles are fixedly connected to the front and rear sides of the dustproof plate.

[0008] As a preferred, the grading crushing device further comprises guide plates, sliding blocks, a screening frame and push rods, the guide plates are fixedly connected to the support plates, the sliding blocks are slidably arranged in the guide plates, the screening frame is connected with the sliding blocks, and the push rods are fixedly connected to the front and rear sides of the screening frame.

[0009] As a preferred, the grading crushing device further comprises a collecting frame, and the collecting frame is slidably arranged between the support plates.

[0010] As a preferred, the grading crushing device further comprises a rubber sleeve, and the rubber sleeve is sleeved on the pull rod.

[0011] As a preferred, the grading crushing device further comprises anti-slip rings, and the anti-slip rings are arranged on the handles.

[0012] Compared with the prior art, the grading crushing device for waste plastic recycling has the following beneficial effects: 1. Through the grading crushing process, the appropriate crushing frequency can be selected according to the different physical properties of waste plastics, so as to ensure the best crushing effect, improve the crushing efficiency, guarantee the quality of the product, and meet different application requirements.

[0013] 2. By rotating the dustproof plate downward, the first magnetic blocks can attract the second magnetic blocks, and then the feed inlet of the first feed plate or the second feed plate is closed, so that the waste plastics are prevented from bouncing out of the first feed plate or the second feed plate during crushing.

[0014] 3、The broken waste plastics fall on the screening frame after the protective shell bottom is opened, the waste plastics not completely broken are screened out by the screening frame, the quality of the product is avoided from being affected, and the crushing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a three-dimensional structure sectional view of the support plate, protective shell and first feeding plate of the utility model.

[0017] Figure 3 It is a three-dimensional structure sectional view of the first crushing roller, second crushing roller and driving assembly of the utility model.

[0018] Figure 4 It is a three-dimensional structure sectional view of the blocking plate, pull rod and rubber sleeve of the utility model.

[0019] Figure 5 It is a three-dimensional structure sectional view of the connecting frame, dustproof plate and first magnetic block of the utility model.

[0020] Figure 6 It is a three-dimensional structure sectional view of the guide plate, sliding block and screening frame of the utility model.

[0021] Corresponding reference numerals in the drawings indicate corresponding parts throughout the several views of the disclosure. 1, support plate, 101, feeding hopper, 2, protective shell, 3, first crushing roller, 4, second crushing roller, 5, third crushing roller, 6, driving assembly, 7, first feeding plate, 8, second feeding plate, 9, blocking plate, 10, pull rod, 11, connecting frame, 12, dustproof plate, 13, first magnetic block, 14, second magnetic block, 15, handle, 16, guide plate, 17, sliding block, 18, screening frame, 19, push rod, 20, collecting frame, 21, rubber sleeve, 22, anti-skid ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment 1: a waste plastic recycling grading crushing device, please refer to Figures 1-6, including support plate 1, feed hopper 101, protective shell 2, first crushing roller 3, second crushing roller 4, third crushing roller 5, drive assembly 6, blocking plate 9 and pull rod 10, two support plates 1 are fixedly connected with protective shell 2, the top of protective shell 2 is fixedly connected with feed hopper 101, a group of first crushing rollers 3 are rotatably arranged in protective shell 2, a group of second crushing rollers 4 are rotatably arranged in protective shell 2, a group of third crushing rollers 5 are rotatably arranged in protective shell 2, three drive assemblies 6 are arranged on the rear side of support plate 1, three drive assemblies 6 are connected with first crushing roller 3, second crushing roller 4 and third crushing roller 5 respectively, blocking plate 9 is slidably arranged on the support plate 1 on the right side, pull rod 10 is fixedly connected with blocking plate 9, which facilitates the movement of the blocking plate, first feed plate 7 is fixedly connected with the support plate 1 on the right side, second feed plate 8 is fixedly connected with the support plate 1 on the right side, collecting frame 20 is slidably arranged between the two support plates 1, which is used for collecting the crushed qualified plastics, rubber sleeve 21 is sleeved on pull rod 10, which increases the comfort and friction when pulling the blocking plate 9.

[0024] When different types of waste plastics need to be crushed, first of all, the required crushing times should be judged according to the physical properties of the plastics, such as hardness, toughness, brittleness, etc. According to different requirements, the crushing process is divided into primary crushing, secondary crushing and tertiary crushing. In primary crushing, waste plastics are crushed through second feed plate 8 and sent into protective shell 2, the lowermost drive assembly 6 is started to make third crushing roller 5 operate, and third crushing roller 5 performs preliminary crushing on the waste plastics until the required particle size is reached. In secondary crushing, waste plastics are crushed through first feed plate 7 and sent into protective shell 2, the two lower drive assemblies 6 are started to control the operation of second crushing roller 4 and third crushing roller 5 respectively, second crushing roller 4 performs primary crushing, the preliminarily crushed waste plastics fall between the two third crushing rollers 5 for secondary crushing until the required particle size is reached. In tertiary crushing, waste plastics are fed into protective shell 2 through feed hopper 101, multiple drive assemblies 6 are started to control the operation of first crushing roller 3, second crushing roller 4 and third crushing roller 5 respectively, first crushing roller 3 rotates to perform preliminary crushing on the waste plastics, the preliminarily crushed waste plastics fall between the two second crushing rollers 4 for secondary crushing, the secondarily crushed waste plastics fall between the two third crushing rollers 5 for tertiary crushing until the final required particle size is reached. After completing the crushing process, hold pull rod 10 and pull blocking plate 9 to the right to open the discharge port at the bottom of protective shell 2, so that the crushed waste plastics fall on the screening frame 18. Through the above classification crushing process, the appropriate crushing times can be selected according to the different physical properties of the waste plastics to ensure the best crushing effect, thereby improving the crushing efficiency, ensuring the quality of the product, and meeting different application requirements.

[0025] Example 2: Based on example 1, please refer toFigure 1 And Figure 5 The first feeding plate 7 and the second feeding plate 8 are fixedly connected with the connecting frame 11 on the top, the dustproof plate 12 is rotatably arranged on the connecting frame 11, the first magnetic block 13 is embeddedly arranged on the connecting frame 11, the second magnetic block 14 is embeddedly arranged on the dustproof plate 12, the handle 15 is fixedly connected with the front and rear sides of the dustproof plate 12, the handle 15 increases the force point between the hand and the dustproof plate 12, and the dustproof plate 12 is convenient to open or close, and the anti-skid ring 22 is arranged on the handle 15, the friction of the hand is increased, and slipping is prevented.

[0026] When once crushing or twice crushing is needed, the dustproof plate 12 is upwardly rotated by holding the handle 15, the first feeding plate 7 or the second feeding plate 8 is opened, after waste plastics are sent into the protective shell 2, the dustproof plate 12 is downwardly rotated by holding the handle 15, the first magnetic block 13 is adsorbed to the second magnetic block 14, and then the feeding port of the first feeding plate 7 or the second feeding plate 8 is closed, so that the waste plastics are prevented from being bounced out from the first feeding plate 7 or the second feeding plate 8 during crushing.

[0027] Please refer to Figure 1 And Figure 6 The two supporting plates 1 are fixedly connected with the guide plates 16, the sliding blocks 17 are slidably arranged in the guide plates 16, and the two sliding blocks 17 are commonly connected with the screening frame 18, the push rods 19 are fixedly connected with the front and rear sides of the screening frame 18, the screening frame 18 is convenient to draw out or push in, and then the waste plastics that are not completely crushed on the screening frame 18 are taken out.

[0028] After the protective shell 2 is opened at the bottom, the waste plastics that are crushed are dropped on the screening frame 18, the waste plastics that are not completely crushed are screened out from the screening frame 18, the quality of products is prevented from being affected, the crushing effect is improved, and then the waste plastics that are completely crushed enter the collecting frame 20 through the screening frame 18.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A classification crushing device for waste plastic recycling, comprising support plates (1), a feed hopper (101), a protective shell (2), first crushing rollers (3), second crushing rollers (4), third crushing rollers (5), drive assemblies (6), a blocking plate (9) and a pull rod (10), the two support plates (1) are fixedly connected with the protective shell (2), the top of the protective shell (2) is fixedly connected with the feed hopper (101), a group of first crushing rollers (3) are rotatably arranged in the protective shell (2), a group of second crushing rollers (4) are rotatably arranged in the protective shell (2), a group of third crushing rollers (5) are rotatably arranged in the protective shell (2), a plurality of drive assemblies (6) are arranged on the rear side of the support plates (1), the plurality of drive assemblies (6) are connected with the first crushing rollers (3), the second crushing rollers (4) and the third crushing rollers (5) respectively, the blocking plate (9) is slidably arranged on the support plate (1) on the right side, the blocking plate (9) is fixedly connected with the pull rod (10), characterized in that, It also includes the first feeding plate (7) and the second feeding plate (8), the right support plate (1) is fixedly connected with the first feeding plate (7), and the right support plate (1) is fixedly connected with the second feeding plate (8).

2. The grading crushing device for waste plastic recycling according to claim 1, characterized in that, It also includes the connecting frame (11), the dustproof plate (12), the first magnetic block (13), the second magnetic block (14) and the handle (15), the first feeding plate (7) and the second feeding plate (8) are fixedly connected with the connecting frame (11) on the top, the dustproof plate (12) is rotatably arranged on the connecting frame (11), the first magnetic block (13) is embeddedly arranged on the connecting frame (11), the second magnetic block (14) is embeddedly arranged on the dustproof plate (12), and the handle (15) is fixedly connected to the front and rear sides of the dustproof plate (12).

3. The grading crushing device for waste plastic recycling according to claim 2, characterized in that, It also includes the guide plate (16), the sliding block (17), the screening frame (18) and the push rod (19), the two support plates (1) are fixedly connected with the guide plate (16), the guide plate (16) is slidably provided with the sliding block (17) inside, the two sliding blocks (17) are connected with the screening frame (18) together, and the push rod (19) is fixedly connected to the front and rear sides of the screening frame (18).

4. The grading crushing device for waste plastic recycling according to claim 3, characterized in that, It also includes the collecting frame (20), and the collecting frame (20) is slidably arranged between the two support plates (1).

5. The grading crushing device for recycling waste plastics according to claim 4, characterized in that, It also includes the rubber sleeve (21), and the rubber sleeve (21) is sleeved on the pull rod (10).

6. The grading crushing device for waste plastic recycling according to claim 5, characterized in that, It also includes the anti-skid ring (22), and the handle (15) is provided with the anti-skid ring (22).

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