Shredding machine feeding mechanism

By setting up pretreatment barrels and feeding components in the feeding mechanism of the shredder, the problems of material accumulation and blockage are solved, and the efficiency and smoothness of shredding are improved.

CN223042860UActive Publication Date: 2025-07-01SHENZHEN ZHOUHUI NEW ENERGY TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421425221.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-07-01
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing shredder feeding mechanism is prone to material accumulation and blockage, affecting the normal operation of the equipment.

Method used

A feeding mechanism including a guide barrel, a feeding assembly, a pretreatment barrel and a crushing assembly is designed. The material is pre-pulverized through the pretreatment barrel. The feeding assembly pushes the pretreated material to the shredder to prevent stacking and clogging.

Benefits of technology

Effectively prevent material accumulation and blockage, improve the efficiency and smoothness of shredding treatment, and ensure the normal operation of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223042860U_ABST
    Figure CN223042860U_ABST
Patent Text Reader

Abstract

The utility model discloses a shredder feeding mechanism which comprises a positioning base plate, two sets of supporting plates are symmetrically and fixedly installed on the upper surface of the positioning base plate, a material guide cylinder is fixedly installed at the tops of the two sets of supporting plates, and a pretreatment barrel, a movable rod, a second driving motor and a blade are used in cooperation to conduct pretreatment on the material guide cylinder. According to the material pre-crushing device, materials are pre-crushed, the follow-up material shredding treatment efficiency can be improved, through cooperative use of a conical material guide hopper and a material guide pipe, the effect of discharging the pre-treated materials is achieved, the materials are conveniently injected into a material guide barrel, and the material crushing efficiency is improved. Through cooperative use of a rotating rod, a material guide barrel, a first driving motor and auger blades, pretreated materials can be pushed, the materials can be conveniently pushed into the shredding machine for shredding treatment, and through arrangement of a material shifting plate, the effects of preventing the pretreated materials from blocking the conical material guide hopper and improving the crushing efficiency are achieved. And the feeding smoothness can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of shredders, and particularly relates to a feeding mechanism of a shredder. Background Technique

[0002] A shredder is a machine used for fine shredding. Generally, it is used to process unprocessed raw materials or scraps to make their sizes smaller. A typical example is to shred plastic or rubber scraps and then melt and pelletize them as raw materials to remanufacture plastic bottles, tires, trash cans, etc. Shredders are applied in the plastic recycling and regeneration industry and are commonly used for crushing large-caliber PE plastic pipes of waste products, bundled plastic films, large stacks of plastic sheets, and headstock materials.

[0003] Most of the feeding mechanisms of the existing shredders are separate feeding hoppers or mostly belt-type feeding mechanisms. This transportation method is prone to excessive accumulation of materials to be shredded and is likely to cause blockage of the shredder. Therefore, we need to propose a feeding mechanism for a shredder. Content of the Utility Model

[0004] The purpose of the utility model is to provide a feeding mechanism for a shredder. By setting a material guiding cylinder, a feeding component, a pretreatment barrel, and a material crushing component, the materials can be pre-treated, and then the feeding component pushes the pre-treated materials to the shredder for processing, effectively preventing blockage caused by material accumulation, so as to solve the problems proposed in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A feeding mechanism for a shredder includes a positioning base plate. On the upper surface of the positioning base plate, two groups of support plates are symmetrically and fixedly installed. At the top of the two groups of support plates, a material guiding cylinder is fixedly installed. Inside the material guiding cylinder, a feeding component for conveying materials is arranged. Above the material guiding cylinder, a pretreatment barrel is arranged. At the top of the pretreatment barrel, four groups of support columns are fixedly installed in an annular array. At the top of the four groups of support columns, a mounting plate is fixedly installed. Inside the pretreatment barrel, a material crushing component for pre-treating materials is arranged.

[0007] Preferably, the feeding component includes a rotating rod. One end of the rotating rod is rotatably installed on the inner wall of one side of the material guiding cylinder. One end of the rotating rod penetrates through the material guiding cylinder and is connected to a first driving motor. On the outer wall of the rotating rod, a screw blade is fixedly installed.

[0008] Preferably, the first driving motor is fixedly installed on the side wall of one side of the material guiding cylinder. One end of the output shaft of the first driving motor is fixedly connected to one end of the rotating rod.

[0009] Preferably, the shredding component includes a movable rod, one end of the movable rod is rotatably installed at the bottom of the mounting plate, one end of the movable rod penetrates through the mounting plate and is connected with a second driving motor, and a plurality of groups of blades are fixedly installed on the outer wall of the movable rod.

[0010] Preferably, the second driving motor is fixedly installed on the upper surface of the mounting plate, and one end of the output shaft of the second driving motor is fixedly connected with one end of the movable rod.

[0011] Preferably, a conical feeding hopper is fixedly embedded at the bottom of the pretreatment barrel, a feeding pipe is fixedly embedded at the bottom of the conical feeding hopper, and the feeding pipe is communicated with the inside of the feeding cylinder.

[0012] Preferably, a through groove is formed on one side of the top of the feeding cylinder, and the feeding pipe is fixedly embedded in the through groove.

[0013] Preferably, two feeding plates are fixedly installed below the movable rod and located below a plurality of groups of blades, and both of the two feeding plates are slidably connected with the inner wall of the conical feeding hopper.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By using the cooperation of the pretreatment barrel, the movable rod, the second driving motor and the blades, the present utility model plays a role in pre-crushing the material, which is beneficial to improving the efficiency of subsequent shredding of the material. By using the cooperation of the conical feeding hopper and the feeding pipe, the role of discharging the pretreated material is played, which is convenient for injecting the material into the inside of the feeding cylinder.

[0016] 2. By using the cooperation of the rotating rod, the feeding cylinder, the first driving motor and the auger blades, the role of pushing the pretreated material is played, which is convenient for pushing the material into the inside of the shredder for shredding treatment. By arranging the feeding plates, the role of preventing the pretreated material from being blocked in the conical feeding hopper is played, which is beneficial to improving the smoothness of feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the feeding component of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the shredding component of the present utility model.

[0020] In the figure: 1, positioning substrate; 2, support plate; 3, material guiding cylinder; 4, feeding assembly; 401, rotating rod; 402, first driving motor; 403, auger blade; 5, pretreatment barrel; 6, support column; 7, mounting plate; 8, material crushing assembly; 801, movable rod; 802, second driving motor; 803, blade; 9, conical feeding hopper; 10, material guiding pipe; 11, material pushing plate. Detailed implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-3 , the present invention provides a technical solution:

[0023] A feeding mechanism for a shredder, including a positioning substrate 1, two groups of support plates 2 are symmetrically and fixedly installed on the upper surface of the positioning substrate 1, a material guiding cylinder 3 is fixedly installed on the top of the two groups of support plates 2, and a feeding assembly 4 for conveying materials is arranged inside the material guiding cylinder 3. Above the material guiding cylinder 3, there is a pretreatment barrel 5. Four groups of support columns 6 are fixedly installed on the top of the pretreatment barrel 5 in an annular array. A mounting plate 7 is fixedly installed on the top of the four groups of support columns 6. A material crushing assembly 8 for preprocessing materials is arranged inside the pretreatment barrel 5;

[0024] The feeding assembly 4 includes a rotating rod 401. One end of the rotating rod 401 is rotatably installed on the inner wall of one side of the material guiding cylinder 3. One end of the rotating rod 401 penetrates through the material guiding cylinder 3 and is connected to a first driving motor 402. An auger blade 403 is fixedly installed on the outer wall of the rotating rod 401. By setting the cooperation of the rotating rod 401, the material guiding cylinder 3, the first driving motor 402 and the auger blade 403, the function of pushing the preprocessed materials is achieved, which is convenient for pushing the materials into the shredder for shredding treatment;

[0025] The first driving motor 402 is fixedly installed on the side wall of one side of the material guiding cylinder 3. One end of the output shaft of the first driving motor 402 is fixedly connected to one end of the rotating rod 401. The first driving motor 402 is set as a stepping motor;

[0026] The shredding component 8 includes a movable rod 801. One end of the movable rod 801 is rotatably installed at the bottom of the mounting plate 7. One end of the movable rod 801 penetrates through the mounting plate 7 and is connected to a second drive motor 802. A plurality of groups of blades 803 are fixedly installed on the outer wall of the movable rod 801. By setting the cooperation of the pretreatment barrel 5, the movable rod 801, the second drive motor 802 and the blades 803, the material is pre-crushed, which is beneficial to improving the efficiency of subsequent shredding of the material. And after the large pieces of material are crushed, it can prevent subsequent feeding from being blocked;

[0027] The second drive motor 802 is fixedly installed on the upper surface of the mounting plate 7. One end of the output shaft of the second drive motor 802 is fixedly connected to one end of the movable rod 801. The second drive motor 802 is set as a stepping motor;

[0028] A conical guide hopper 9 is fixedly embedded at the bottom of the pretreatment barrel 5. A guide pipe 10 is fixedly embedded at the bottom of the conical guide hopper 9. The guide pipe 10 is communicated with the inside of the guide cylinder 3. By setting the cooperation of the conical guide hopper 9 and the guide pipe 10, it plays a role in discharging the pretreated material, facilitating the injection of the material into the inside of the guide cylinder 3;

[0029] A through groove is opened on one side of the top of the guide cylinder 3. The guide pipe 10 is fixedly embedded in the through groove;

[0030] Two feeding plates 11 are fixedly installed below the movable rod 801 where there are several groups of blades 803. Both of the two feeding plates 11 are slidably connected to the inner wall of the conical guide hopper 9. By setting the feeding plates 11, it plays a role in preventing the pretreated material from being blocked in the conical guide hopper 9, which is beneficial to improving the smoothness of feeding.

[0031] Working principle: When the present utility model is used, the output shaft of the second drive motor 802 drives the movable rod 801 to rotate, so that the material inside the pretreatment barrel 5 can be pre-crushed, and the larger pieces of material can be broken to prevent subsequent feeding from being blocked. The pretreated material can be discharged into the inside of the guide cylinder 3 from the guide pipe 10. When the movable rod 801 rotates, it can drive the feeding plates 11 to rotate, thereby preventing the material inside the conical guide hopper 9 from being blocked, which is beneficial to improving the smoothness of feeding. The output shaft of the first drive motor 402 drives the rotating rod 401 to rotate, thereby driving the auger blades 403 to rotate, so as to realize pushing the material forward and feeding the inside of the crusher.

[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A shredder feeding mechanism, comprising a positioning base plate (1), characterized in that: Two groups of support plates (2) are symmetrically fixedly installed on the upper surface of the positioning base plate (1), and a material guide cylinder (3) is fixedly installed on the top of the two groups of support plates (2). A feeding assembly (4) for conveying materials is arranged inside the material guide cylinder (3), and a pretreatment barrel (5) is arranged above the material guide barrel (3). Four groups of support columns (6) are fixedly installed in a circular array on the top of the pretreatment barrel (5), and mounting plates (7) are fixedly installed on the top of the four groups of support columns (6). A crushing assembly (8) for pre-treating materials is arranged inside the pretreatment barrel (5).

2. A shredder feeding mechanism according to claim 1, characterized in that: The feeding assembly (4) comprises a rotating rod (401), one end of which is rotatably mounted on an inner wall of a side of a material guide cylinder (3), one end of which passes through the material guide cylinder (3) and is connected to a first drive motor (402), and an auger blade (403) is fixedly mounted on the outer wall of the rotating rod (401).

3. A shredder feeding mechanism according to claim 2, characterized in that: The first driving motor (402) is fixedly mounted on a side wall of the material guide cylinder (3), and one end of the output shaft of the first driving motor (402) is fixedly connected to one end of the rotating rod (401).

4. A shredder feeding mechanism according to claim 1, characterized in that: The crushing assembly (8) comprises a movable rod (801), one end of which is rotatably mounted on the bottom of a mounting plate (7), one end of which passes through the mounting plate (7) and is connected to a second drive motor (802), and a plurality of groups of blades (803) are fixedly mounted on the outer wall of the movable rod (801).

5. A shredder feeding mechanism according to claim 4, characterized in that: The second drive motor (802) is fixedly mounted on the upper surface of the mounting plate (7), and one end of the output shaft of the second drive motor (802) is fixedly connected to one end of the movable rod (801).

6. A shredder feeding mechanism according to claim 5, characterized in that: A conical material guide hopper (9) is fixedly embedded in the bottom of the pretreatment barrel (5), and a material guide pipe (10) is fixedly embedded in the bottom of the conical material guide hopper (9), and the material guide pipe (10) is connected to the inside of the material guide cylinder (3).

7. A shredder feeding mechanism according to claim 6, characterized in that: A through groove is provided on one side of the top of the material guiding cylinder (3), and the material guiding tube (10) is fixedly embedded in the interior of the through groove.

8. A shredder feeding mechanism according to claim 7, characterized in that: The movable rod (801) is located below the plurality of blade groups (803) and is fixedly mounted with two groups of material-shifting plates (11). Both groups of material-shifting plates (11) are slidably connected to the inner wall of the conical material guide hopper (9).