Special anti-caking storage hopper device for double-screw granulator

By designing a horizontal rotating rod and spiral blade conveying mechanism in a twin-screw granulator, the problems of raw material agglomeration and accuracy in traditional hoppers are solved, and anti-caking and precise feeding are achieved, and the film formation quality is improved.

CN222270933UActive Publication Date: 2024-12-31FELKER FUNCTIONAL MATERIALS (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202420426310.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-06
Publication Date
2024-12-31
Estimated Expiration
2034-03-06

AI Technical Summary

Technical Problem

The traditional conical hopper is prone to agglomeration in the production process of self-adhesive films, and the stirring method causes the oil seal to wear and leak oil or affect the cutting accuracy, resulting in a decrease in the film formation quality.

Method used

A special anti-caking and storage hopper device for twin-screw granulator is designed. The horizontal rotating rod is used to drive the side plate to scrape the inner wall of the hopper, and the raw materials are transported in combination with the spiral blades to avoid adhesion and precise feeding.

Benefits of technology

Effectively prevent raw materials from agglomerating, avoid oil leakage in the oil seal, and improve the cutting accuracy and film formation quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222270933U_ABST
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Abstract

The utility model discloses a special anti-caking storage hopper device for a twin-screw granulator, which comprises a hopper, rotating shafts are mounted on the front side and the rear side of the hopper, the hopper is rotatably connected with a rotating rod through the rotating shafts, the rotating rod is fixedly connected with a first side plate and a second side plate, the bottom end of the hopper is arc-shaped, and the bottom end of the hopper is fixedly connected with the first side plate and the second side plate. A rotating air cylinder is installed on the front face of the hopper, and a conveying mechanism is installed at the bottom end of the hopper. The horizontally arranged rotating rod is adopted, during discharging, the rotating air cylinder is started and drives the first side plate and the second side plate through the rotating rod, the first side plate and the second side plate rotate, low-speed stirring of materials is achieved, and the situation that viscous resin and some superfine powder materials are agglomerated and unsmooth in discharging due to long-time storage is prevented; meanwhile, the raw materials can be prevented from adhering to the inner wall of the hopper, and the rotating shafts at the two ends of the rotating rod are laterally arranged to prevent oil leakage of the oil seal from polluting the raw materials.
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Description

Technical Field

[0001] The utility model relates to the technical field of self-adhesive film production, in particular to a special anti-caking material storage hopper device for a twin-screw granulator. Background Art

[0002] Self-adhesive protective films are widely used in the storage and transportation of various products to prevent products from being contaminated, scratched, or damaged.

[0003] During the production process of the self-adhesive film, the self-adhesive layer material must be modified and granulated before the next step of film blowing can be carried out. When the viscous resin is fed, the traditional hopper is conical, and the raw materials are prone to caking and sticking to the hopper wall. The prior art uses stirring to prevent the raw materials from agglomerating in the hopper, but the oil seal of the stirring shaft is located above the raw material, which is prone to wear and oil leakage, resulting in raw material contamination. A vibration motor is also used to prevent agglomeration, but it will affect the feeding accuracy and lead to a decrease in film quality.

[0004] Therefore, how to provide a special anti-caking storage hopper device for a twin-screw granulator to solve the problems existing in the prior art is of great significance to its application. Utility Model Content

[0005] In view of this, the purpose of the present application is to provide a special anti-caking storage hopper device for a twin-screw granulator to solve the problem that the traditional hopper is conical and the raw materials are prone to caking. The prior art uses stirring to prevent the raw materials from agglomerating in the hopper, but the oil seal of the stirring shaft is located above the raw material and is prone to wear and oil leakage, resulting in raw material contamination. A vibration motor is also used to prevent agglomeration, but it will affect the feeding accuracy and lead to a decrease in film quality.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A special anti-caking storage hopper device for a twin-screw granulator comprises a hopper, wherein the front and rear sides of the hopper are both provided with rotating shafts, the hopper is rotatably connected to a rotating rod via the rotating shaft, the rotating rod is fixedly connected to a first side plate and a second side plate, the bottom end of the hopper is arranged in an arc shape, a rotating cylinder is installed on the front side of the hopper, and a conveying mechanism is installed at the bottom end of the hopper.

[0008] Preferably, the sides of the first side plate and the second side plate are both in contact with the bottom end of the hopper, and an angle of 90° is formed between the first side plate and the second side plate.

[0009] Preferably, the conveying mechanism comprises a conveying pipe, and the top end of the conveying pipe is connected to the bottom end of the hopper through a connecting groove.

[0010] Preferably, a spiral blade is rotatably connected inside the conveying pipe, a motor is installed at one end of the conveying pipe, and an output end of the motor is drivingly connected to the spiral blade.

[0011] Preferably, the end of the conveying pipe close to the motor is connected to a feeding pipe, a sealing plate is installed at the top of the hopper, and a transparent plate is provided at the top of the sealing plate;

[0012] Preferably, the rotating rod is fixedly connected to a plurality of stirring rods, and the stirring rods are located between the first side plate and the second side plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model adopts a horizontally arranged rotating rod. When unloading, the rotating cylinder is started. The rotating cylinder drives the first side plate and the second side plate through the rotating rod. The first side plate and the second side plate rotate to scrape the inner wall of the hopper, thereby preventing the raw materials from adhering to the inner wall of the hopper, and the rotating shafts at both ends of the rotating rod are placed sideways to prevent oil leakage from the oil seal and contamination of the raw materials.

[0015] 2. The utility model adopts spiral blades for feeding, which is accurate in quantity and provides high film-forming quality.

[0016] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application so that it can be implemented in accordance with the contents of the specification, and to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following is a detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings as follows.

[0017] Based on the detailed description of the specific embodiments of the present application in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other objects, advantages and features of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 The utility model is a cross-sectional view Figure 2 ;

[0022] In the figure: 1. hopper; 2. sealing plate; 3. transparent plate; 4. rotating cylinder; 5. motor; 6. feeding pipe; 7. conveying pipe; 8. spiral blade; 9. connecting groove; 10. first side plate; 11. second side plate; 12. rotating rod; 13. rotating shaft; 14. stirring rod. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, rather than all of the embodiments. In the following description, specific details such as specific configuration and components are provided only to help fully understand the embodiments of the present application. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, for clarity and brevity, the description of known functions and structures is omitted in the embodiment.

[0024] In addition, the present application may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplicity and clarity, and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association object relationship, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0026] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusions.

[0027] See also Figure 1-3The present invention provides a solution of a special anti-caking storage hopper device for a twin-screw granulator: it includes a hopper 1, a rotating shaft 13 is installed on the front and rear sides of the hopper 1, the hopper 1 is rotatably connected to a rotating rod 12 through the rotating shaft 13, the rotating rod 12 is fixedly connected to a first side plate 10 and a second side plate 11, the bottom end of the hopper 1 is set to be an arc shape, a rotating cylinder 4 is installed on the front of the hopper 1, and a conveying mechanism is installed at the bottom end of the hopper 1.

[0028] The sides of the first side plate 10 and the second side plate 11 are both in contact with the bottom end of the hopper 1 , and there is a 90° angle between the first side plate 10 and the second side plate 11 , and the first side plate 10 and the second side plate 11 swing left and right so that at least one side plate is in contact with the inner wall of the hopper 1 .

[0029] The conveying mechanism includes a conveying pipe 7, the top end of the conveying pipe 7 is connected to the bottom end of the hopper 1 through a connecting groove 9, the inside of the conveying pipe 7 is rotatably connected with a spiral blade 8, one end of the conveying pipe 7 is installed with a motor 5, the output end of the motor 5 is transmission-connected with the spiral blade 8, the raw materials in the hopper 1 fall into the gap between the spiral blades 8 through the connecting groove 9, and then the motor 5 drives the spiral blade 8 to rotate, thereby generating a spiral thrust to drive the raw materials to move in the conveying pipe 7.

[0030] One end of the conveying pipe 7 close to the motor 5 is connected to a feeding pipe 6, and the feeding pipe 6 is connected to the heating equipment to realize feeding. A sealing plate 2 is installed on the top of the hopper 1, and a transparent plate 3 is provided on the top of the sealing plate 2. The sealing plate 2 is opened to add raw materials to the hopper 1. The transparent plate 3 can be used to observe the remaining material so as to replenish the material in time.

[0031] The rotating rod 12 is fixedly connected to a plurality of stirring rods 14 , and the stirring rods 14 are located between the first side plate 10 and the second side plate 11 to stir the raw materials to avoid agglomeration.

[0032] During specific use, the raw materials are transported and stored in the hopper 1 through the transparent plate 3. When loading is needed, the rotating cylinder 4 is started first. The rotating cylinder 4 drives the first side plate 10 and the second side plate 11 to rotate through the rotating rod 12. The rotation range is 120 degrees in both directions, so that the first side plate 10 and the second side plate 11 are constantly in contact with the inner wall of the hopper 1, thereby preventing the raw materials from adhering to the inner wall of the hopper 1, and then the motor 5 is started. The motor 5 drives the spiral blade 8 to rotate, thereby driving the raw materials to move in the conveying pipe 7 to complete the loading.

[0033] The above description is only the preferred embodiment of the utility model, which does not limit the protection scope of the utility model. For those skilled in the art, the utility model can be modified and varied in various ways. Any changes, modifications, substitutions, integrations and parameter changes to these embodiments within the spirit and principle of the utility model through conventional substitutions or capable of achieving the same functions without departing from the principles and spirit of the utility model shall fall within the protection scope of the utility model.

Claims

1. A special anti-caking storage hopper device for a twin-screw granulator, characterized in that: The hopper (1) comprises a rotating shaft (13) installed at the front and rear sides of the hopper (1); the hopper (1) is rotatably connected to a rotating rod (12) via the rotating shaft (13); the rotating rod (12) is fixedly connected to a first side plate (10) and a second side plate (11); the bottom end of the hopper (1) is arranged in an arc shape; a rotating cylinder (4) is installed at the front of the hopper (1); and a conveying mechanism is installed at the bottom end of the hopper (1); The sides of the first side plate (10) and the second side plate (11) are both in contact with the bottom end of the hopper (1), and an angle of 90° is formed between the first side plate (10) and the second side plate (11).

2. The anti-caking storage hopper device for a twin-screw granulator according to claim 1, characterized in that: The conveying mechanism comprises a conveying pipe (7), and the top end of the conveying pipe (7) is connected to the bottom end of the hopper (1) via a connecting groove (9).

3. A special anti-caking storage hopper device for a twin-screw granulator as claimed in claim 2, characterized in that: The interior of the delivery pipe (7) is rotatably connected with a spiral blade (8), one end of the delivery pipe (7) is equipped with a motor (5), and the output end of the motor (5) is drivingly connected with the spiral blade (8).

4. The anti-caking storage hopper device for a twin-screw granulator as claimed in claim 3, characterized in that: The end of the conveying pipe (7) close to the motor (5) is connected to a feeding pipe (6), the top end of the hopper (1) is provided with a sealing plate (2), and the top end of the sealing plate (2) is provided with a transparent plate (3).

5. The anti-caking storage hopper device for a twin-screw granulator as claimed in claim 4, characterized in that: The rotating rod (12) is fixedly connected to a plurality of stirring rods (14), and the stirring rods (14) are located between the first side plate (10) and the second side plate (11).