Plastic raw material pretreatment device

Abstract

The utility model discloses a plastic raw material pretreatment device, and belongs to the technical field of plastic raw materials. The device mainly comprises a support; the crushing mechanism is mounted at the upper end of the bracket, and the crushing mechanism is provided with a discharging pipe; the screening assembly is installed at the lower end of the discharging pipe and comprises a stand column installed on the inner side of the support. The stabilizing ring is mounted at the upper end of the stabilizing ring; the spring is mounted at the upper end of the stabilizing ring; the screening barrel is mounted at the upper end of the spring; the screen is mounted in the screening barrel; the discharge pipe is mounted on the outer side of the screening barrel; the vibration motor is mounted at the bottom end of the screening barrel; and the connecting hose is mounted between the screening barrel and the discharging pipe. According to the plastic raw material pretreatment device, by arranging the screening assembly, the effect of screening plastic raw materials is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plastic raw materials, in particular to a plastic raw material pretreatment device. BACKGROUND

[0002] Plastic raw material pretreatment plays a crucial role in the plastic processing industry, as it ensures that the plastic raw materials reach the required physical and chemical state before entering the main processing stage.

[0003] A plastic raw material pretreatment device refers to a series of equipment used for the preliminary processing and treatment of plastic raw materials, aiming to improve the flowability, uniformity, dispersibility and processability of the raw materials, thereby ensuring the stability of the subsequent processing process and the quality of the products.

[0004] For example, the patent with the publication number CN220143495U specifically discloses an online plastic raw material crushing device. The patent sets up an air pipe to blow air into the interior of the crushing device, preventing dust from being discharged from the feed inlet and actively solving the problem of dust overflow.

[0005] During the crushing of plastic raw materials, different types of plastic raw materials have different physical properties such as hardness and toughness, which can affect the crushing effect. For example, plastic raw materials with higher hardness may be more difficult to achieve uniform particle size during crushing, and the uneven size of the crushed plastic raw materials can affect the forming quality of the subsequent products.

[0006] Therefore, it is necessary to provide a plastic raw material pretreatment device to solve the above problems.

[0007] It should be noted that the above information disclosed in this background section is only used to understand the background technology of the concept of the application, and therefore, it can contain information that does not constitute prior art. SUMMARY

[0008] Based on the above problems existing in the prior art, the application aims to solve the problem of providing a plastic raw material pretreatment device to solve the problem of uneven size of crushed plastic raw materials caused by crushing different types of plastic raw materials.

[0009] The technical solution adopted by the application to solve its technical problems is a plastic raw material pretreatment device, comprising:

[0010] a support;

[0011] a crushing mechanism mounted on the upper end of the support, the crushing mechanism being used for crushing plastic raw materials, the crushing mechanism having a discharge pipe;

[0012] a screening assembly mounted at the lower end of the discharge pipe, the screening assembly comprising:

[0013] a post, which is installed inside the support;

[0014] a stabilizing ring, which is installed on the upper end of the stabilizing ring;

[0015] a spring, which is installed on the upper end of the stabilizing ring;

[0016] a screening barrel, which is installed on the upper end of the spring;

[0017] a screen, which is installed inside the screening barrel;

[0018] a discharge pipe, which is installed outside the screening barrel;

[0019] a vibration motor, which is installed at the bottom end of the screening barrel;

[0020] a connecting hose, which is installed between the screening barrel and the feeding pipe.

[0021] Further, the crushing mechanism comprises a crushing tank fixedly arranged at the upper end of the support, a plurality of crushing rollers are rotationally arranged inside the crushing tank, motors are fixedly arranged at both sides of the crushing tank, and output ends of the motors penetrate the crushing tank and are fixedly connected with the crushing rollers.

[0022] Further, a cover is hingedly connected to the upper end of the crushing tank, and a pneumatic cylinder is hingedly connected to one side of the crushing tank, and an output end of the pneumatic cylinder is hingedly connected to one side of the cover.

[0023] Further, a connecting shaft is rotationally arranged at one side of the crushing tank, one end of the connecting shaft extends to the inside of the crushing tank, an end of the connecting shaft extending to the inside is fixedly connected with a swing plate, and the other end of the connecting shaft is fixedly arranged with a handle.

[0024] Further, the screen is vertically arranged inside the screening barrel, the aperture of the screen gradually decreases in the order of vertical arrangement, and the screening barrel is divided into a plurality of screening cavities by the screen.

[0025] The plastic raw material pretreatment device provided by the application has the effect of screening plastic raw materials through the screening assembly.

[0026] In addition to the purposes, features and advantages described above, the application has other purposes, features and advantages. The application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings constituting a part of the specification illustrate the preferred embodiments of the present application and since the application can be practiced in various ways, the application should not be construed as being limited to the preferred embodiments set forth herein. In the drawings:

[0028] Figure 1 Figure 1 is a schematic diagram of the overall plastic raw material pretreatment device in the present application;

[0029] Figure 2 Figure 2 is another schematic diagram of the overall plastic raw material pretreatment device in the present application;

[0030] Figure 3 Figure 3 is a schematic diagram of the crushing mechanism in the present application; Figure 1 Figure 4 is a cross-sectional schematic diagram of the crushing mechanism in the present application;

[0031] Figure 4 Figure 5 is a schematic diagram of the screening assembly in the present application; Figure 1 Figure 6 is a schematic diagram of the screening assembly in the present application;

[0032] Figure 5 Figure 7 is an exploded schematic diagram of the screening assembly in the present application; Figure 1 Figure 8 is an exploded schematic diagram of the screening assembly in the present application;

[0033] In the drawings, various reference signs refer to the following items:

[0034] 1, support; 2, crushing mechanism; 20, crushing tank; 22, motor; 23, crushing roller; 24, feeding pipe; 25, cover; 26, air cylinder; 27, connecting shaft; 28, handle; 21, swing plate; 29, screening assembly; 290, screening barrel; 291, screen; 292, discharge pipe; 293, spring; 294, stand; 298, stabilizing ring; 295, vibration motor; 296, connecting hose; 297, screening cavity. DETAILED DESCRIPTION

[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0036] In order to enable persons skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by persons skilled in the art without creative labor should belong to the protection scope of the present application.

[0037] As Figures 1-3As shown, the present application provides a plastic raw material pretreatment device, which comprises a support 1 and a crushing mechanism 2 arranged at the upper end of the support 1. The crushing mechanism 2 is used for crushing pretreatment of the plastic raw material. The crushing mechanism 2 comprises a crushing tank 20 fixedly arranged at the upper end of the support 1. A plurality of crushing rollers 23 are rotatably arranged in the crushing tank 20. Motors 22 are fixedly arranged at both sides of the crushing tank 20. The output ends of the motors 22 penetrate the crushing tank 20 and are fixedly connected with the crushing rollers 23, so as to drive the plurality of crushing rollers 23 to rotate in the crushing tank 20, thereby achieving the purpose of crushing the plastic raw material.

[0038] At the same time, in order to prevent other pollutants from entering the crushing tank 20 during crushing, a cover 25 is hingedly arranged at the upper end of the crushing tank 20. A pneumatic cylinder 26 is hingedly arranged at one side of the crushing tank 20. The output end of the pneumatic cylinder 26 is hingedly connected with one side of the cover 25. When crushing, the cover 25 can be driven by the pneumatic cylinder 26 to rotate around one side of the crushing tank 20, thereby achieving the purpose of opening and closing the crushing tank 20.

[0039] In order to prevent clogging during crushing of the plastic raw material, a connecting shaft 27 is rotatably arranged at one side of the crushing tank 20. One end of the connecting shaft 27 penetrates the crushing tank 20 and extends into the interior. A swing plate 21 is fixedly connected with the end of the connecting shaft 27 extending into the interior. A handle 28 is fixedly arranged at the other end of the connecting shaft 27. During crushing, the swing plate 21 can be driven by the handle 28 to swing the plastic raw material in the interior, thereby achieving the effect of preventing clogging during crushing of the plastic raw material.

[0040] At the same time, a discharge pipe 24 is fixedly arranged at the lower end of the crushing tank 20. The discharge pipe 24 is used for discharging the crushed plastic raw material out of the crushing tank 20.

[0041] As shown in Figure 1 and Figures 4-5 In order to prevent the size of the crushed plastic raw material from being uneven, thereby affecting the forming quality of the subsequent product, a screening assembly 29 is arranged at the lower end of the discharge pipe 24. The screening assembly 29 is used for screening the crushed plastic raw material to different degrees. The screening assembly 29 comprises a stand 294 located inside the support 1. A stabilizing ring 298 is fixedly arranged at the upper end of the stand 294. Springs 293 are fixedly arranged on the stabilizing ring 298. The springs 293 are circumferentially arranged at the upper end of the stabilizing ring 298. A screening barrel 290 is fixedly arranged at the upper end of the springs 293. A vibration motor 295 is fixedly arranged at the bottom end of the screening barrel 290. When the vibration motor 295 is started, the screening barrel 290 can be vibrated on the stabilizing ring 298, so as to smoothly perform the subsequent screening operation.

[0042] Meanwhile, in order to screen the plastic raw materials after being crushed, a plurality of screen meshes 291 are arranged vertically in the screening barrel 290 in order, and the aperture of the screen meshes 291 gradually decreases according to the vertical arrangement, so that the plurality of screen meshes 291 divide the screening barrel 290 into different screening cavities 297, and then the plastic raw materials can be screened according to the size;

[0043] In order to discharge the screened plastic raw materials, a plurality of discharge pipes 292 are fixedly arranged outside the screening barrel 290, the discharge pipes 292 penetrate through the screening barrel 290 and extend into the plurality of screening cavities 297, so that the plastic raw materials in the different screening cavities 297 can be discharged for use, and in order to smoothly receive the crushed plastic raw materials, a connecting hose 296 is fixedly arranged at the upper end of the screening barrel 290, the other end of the connecting hose 296 is fixedly connected with the discharging pipe 24, so that the crushed plastic raw materials can be smoothly introduced into the screening barrel 290 for screening operation;

[0044] When the plastic raw materials are crushed, the plastic raw materials can be introduced into the screening barrel 290 through the connecting hose 296, and the vibration motor 295 is started to drive the screening barrel 290 to start vibrating, at this time, the plastic raw materials in the screening barrel 290 are screened in the different screening cavities 297 in the process of vibration, and then are discharged from the screening barrel 290 by the discharge pipes 292 under the continuous vibration, so as to be processed subsequently;

[0045] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A plastic feedstock pretreatment apparatus, characterized by: Include: Support (1); Crushing mechanism (2) is installed on the upper end of the support (1), the crushing mechanism (2) is used for crushing plastic raw material, the crushing mechanism (2) has a feeding pipe (24); Screening assembly (29) is installed at the lower end of the feeding pipe (24), the screening assembly (29) comprises: Column (294) is installed inside the support (1); Stabilizing ring (298) is installed on the upper end of the column (294); Spring (293) is installed on the upper end of the stabilizing ring (298); Screening bucket (290) is installed on the upper end of the spring (293); Screening mesh (291) is installed inside the screening bucket (290); Discharge pipe (292) is installed outside the screening bucket (290); Vibration motor (295) is installed at the bottom end of the screening bucket (290); Connecting hose (296) is installed between the screening bucket (290) and the feeding pipe (24).

2. The plastic feedstock pretreatment apparatus according to claim 1, characterized in that: The crushing mechanism (2) comprises a crushing tank (20) fixedly arranged on the upper end of the support (1), a plurality of crushing rollers (23) are rotatably arranged in the crushing tank (20), motors (22) are fixedly arranged on both sides of the crushing tank (20), and output ends of the motors (22) penetrate the crushing tank (20) and are fixedly connected with the crushing rollers (23).

3. The plastic feedstock pretreatment apparatus of claim 2, wherein: A cover (25) is hinged to the upper end of the crushing tank (20), a cylinder (26) is hinged to one side of the crushing tank (20), and an output end of the cylinder (26) is hinged to one side of the cover (25).

4. The plastic feedstock pretreatment apparatus according to claim 2, wherein: A connecting shaft (27) is rotatably arranged on one side of the crushing tank (20), one end of the connecting shaft (27) extends to the inside of the crushing tank (20), a swing plate (21) is fixedly connected to the end of the connecting shaft (27) extending to the inside, and a handle (28) is fixedly arranged on the other end of the connecting shaft (27).

5. The plastic feedstock pretreatment apparatus of claim 1, wherein: The screening mesh (291) is vertically arranged inside the screening bucket (290), the aperture of the screening mesh (291) gradually decreases in order of vertical arrangement, and the screening mesh (291) divides the inside of the screening bucket (290) into a plurality of screening cavities (297).

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