Dry type granulator with cleaning structure

By introducing an installation mechanism, a stirring mechanism, and a self-cleaning system into the dry granulator, the problem of time-consuming and labor-intensive screen cleaning in traditional dry granulators has been solved, achieving a fast and convenient cleaning process.

CN224100654UActive Publication Date: 2026-04-10HENAN SHANCHUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN SHANCHUAN ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-04-30
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional dry granulation machines require disassembling components such as the motor and drive shaft when cleaning the screen cylinder, which is time-consuming and labor-intensive, especially for large equipment.

Method used

A dry granulation machine with a cleaning structure was designed, including an installation mechanism, a mixing mechanism, and a built-in water pump and hot air blower. The installation mechanism simplifies the disassembly of the screen cylinder, the mixing mechanism prevents material from clumping, and the water pump and hot air blower enable the equipment to clean itself.

Benefits of technology

This greatly simplifies the cleaning process of the screen cylinder, improves the practicality of the equipment, reduces cleaning time, and eliminates the need for precision adjustment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224100654U_ABST
    Figure CN224100654U_ABST
Patent Text Reader

Abstract

The dry type granulator with the cleaning structure comprises a rack, a control box, a feeding frame and a processing box, a second spiral conveying pipe and a discharging pipe which are communicated with the interior of the processing box are arranged on the processing box, a first spiral conveying pipe is communicated with the side wall of the second spiral conveying pipe, and a second spiral conveying pipe is arranged on the side wall of the first spiral conveying pipe. Two extrusion rollers and a scraping plate are arranged on the side wall of the rack, a screen drum is arranged in the treatment box, a mounting shell is fixedly connected to the inner wall of the discharging pipe, a motor is arranged in the mounting shell, and an output shaft of the motor is fixedly connected with two stirring rods. According to the utility model, the mounting mechanism is arranged, and the driving component of the stirring rod is mounted in the blanking pipe, so that the driving component does not need to be disassembled when the screen drum is disassembled, the cleaning of the screen drum and subsequent equipment is greatly facilitated, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dry granulator technical field especially, relates to a dry granulator with cleaning structure. BACKGROUND

[0002] Dry granulator is a kind of equipment that does not need to add water or other solvents, and directly presses dry powder materials into granules by mechanical extrusion, and is widely used in chemical industry, medicine, food, building materials and other industries. Its core working principle is: materials enter between extrusion roller through feeding hopper, and are extruded into sheet or block under high pressure, and then particles of required size are made through crushing, screening and other processes.

[0003] The drive motor (output shaft is provided with scraper) is usually directly arranged below the screen cylinder (used for screening particle size) of the traditional dry granulator. This structure design leads to the following problems when cleaning the screen cylinder: the screen cylinder is directly connected with the motor through transmission shaft. When cleaning the residual materials in the screen cylinder or replacing the screen cylinder, the motor, transmission shaft and related transmission components (such as gears, couplings, etc.) need to be disassembled synchronously. This process needs to use professional tools, and the centering accuracy of the motor and the screen cylinder needs to be adjusted repeatedly, which is time-consuming and laborious. Especially for large equipment, it may take several hours or even longer to disassemble and clean each time. In order to solve the above problems, we propose this dry granulator with cleaning structure. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a dry granulator with cleaning structure, which can effectively solve the problems in the background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A dry granulator with cleaning structure, comprising a rack, a control box, a feeding frame and a treatment box, a second spiral conveying pipe and a discharge pipe are arranged on the treatment box and communicate with the inside of the treatment box, a first spiral conveying pipe is arranged in the side wall of the second spiral conveying pipe, two extrusion rollers and a scraper are arranged on the side wall of the rack, a screen cylinder is arranged in the treatment box, a mounting shell is fixedly connected to the inner wall of the discharge pipe, a motor is arranged in the mounting shell, two stirring rods are fixedly connected to the output shaft of the motor, a mounting mechanism for mounting the screen cylinder is arranged on the side wall of the discharge pipe, the mounting mechanism comprises a plurality of mounting blocks fixedly connected to the side wall of the discharge pipe, a connecting block is arranged at the lower end of each mounting block, a bolt is arranged at the lower end of the connecting block, and a mounting piece is arranged on the side wall of each connecting block, the upper end of the mounting piece is fixedly connected with the lower end of the screen cylinder, and a stirring mechanism for stirring materials is arranged in the feeding frame.

[0007] Preferably, the stirring mechanism comprises a stirring shaft arranged on the inner wall of the feeding frame, and a plurality of stirring plates are fixedly connected to the side wall of the stirring shaft.

[0008] Preferably, a sealing cover is placed on the rack, the rack side wall is provided with a water pump, the water pump outlet communicates with the sealing cover through an outlet pipe, and a first valve is arranged on the outlet pipe.

[0009] Preferably, the rack side wall is provided with a hot air blower, the hot air blower outlet communicates with the sealing cover through a hot air pipe, and a second valve is arranged on the hot air pipe.

[0010] Preferably, the lower discharge pipe side wall is fixedly connected with a mounting ring, the mounting ring side wall is threadedly connected with a material guide cylinder, and the material guide cylinder is connected with a discharge pipe.

[0011] Preferably, the mounting shell is provided with two ventilation pipes communicating with the inside of the mounting shell, and one side wall of the ventilation pipe is provided with a fan.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] 1. The device is provided with a mounting mechanism, the driving assembly of the stirring rod is installed in the discharge pipe, and the driving assembly does not need to be disassembled when the screen cylinder is disassembled, so that the screen cylinder and the subsequent equipment are greatly facilitated to clean, thereby improving the practicability of the device.

[0014] 2. The device is provided with a stirring mechanism, the stirring shaft and the stirring plate can be driven to rotate by the driving assembly of the stirring shaft, so that the dry material is stirred to avoid caking.

[0015] 3. The device is provided with a water pump and a hot air blower, the device can be flushed and dried by the water pump and the hot air blower, and other external devices are not needed, so that the cleaning operation is greatly facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure diagram of the dry granulator with the cleaning structure is shown in the utility model;

[0017] Figure 2 A side view of the dry granulator with the cleaning structure is shown in the utility model;

[0018] Figure 3 A sectional view of the dry granulator with the cleaning structure is shown in the utility model;

[0019] Figure 4 A structure diagram of the dry granulator with the cleaning structure is shown in the utility model; Figure 3 A structure diagram of the dry granulator with the cleaning structure is shown in the utility model;

[0020] Figure 5 A structure diagram of the dry granulator with the cleaning structure is shown in the utility model; Figure 3 A structure diagram of the dry granulator with the cleaning structure is shown in the utility model;

[0021] In the diagram: 1. Frame, 2. Control box, 3. First spiral conveyor pipe, 4. Feed frame, 5. Second spiral conveyor pipe, 6. Extrusion roller, 7. Processing box, 8. Screen cylinder, 9. Discharge pipe, 10. Sealing cover, 11. Agitator shaft, 12. Hot air blower, 13. Water pump, 14. Mounting housing, 15. Motor, 16. Mounting parts, 17. Agitator rod, 18. Mounting block, 19. Connecting block, 20. Guide cylinder, 21. Mounting ring, 22. Ventilation pipe, 23. Fan. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figures 1-5 As shown, a dry granulator with a cleaning structure includes a frame 1, a control box 2, a feed frame 4, and a processing box 7. The processing box 7 is equipped with a second spiral conveying pipe 5 and a discharge pipe 9 that communicate with its interior. The second spiral conveying pipe 5 is equipped with a drive assembly for a spiral rod. A first spiral conveying pipe 3 is connected to the side wall of the second spiral conveying pipe 5. The drive assembly for the spiral rod is also located on the side wall of the first spiral conveying pipe 3. The side wall of the frame 1 is equipped with two extrusion rollers 6 and a scraper. The scraper is shown in the figure. The extrusion rollers 6 are conventional equipment in existing dry granulators. The frame 1 contains the drive assembly for the extrusion rollers 6. It is worth noting that the plastic in the two extrusion rollers 6 falls downwards. The processing box 7 contains a screen cylinder 8. The inner wall of the discharge pipe 9 is fixedly connected to a mounting housing 14. The mounting housing 14 contains a motor 15. The output shaft of the motor 15 is fixedly connected to two stirring rods 17.

[0024] The side wall of the feed pipe 9 is provided with an installation mechanism for installing the screen cylinder 8. The installation mechanism includes multiple mounting blocks 18 fixedly connected to the side wall of the feed pipe 9. The lower end of the mounting block 18 is provided with a connecting block 19, and the lower end of the connecting block 19 is provided with a bolt. The side walls of the multiple connecting blocks 19 are provided with a mounting component 16. The upper end of the mounting component 16 is fixedly connected to the lower end of the screen cylinder 8, as shown in the figure. The mounting component 16 includes three horizontal rods and one vertical rod.

[0025] The feed frame 4 is equipped with a stirring mechanism for stirring materials. The stirring mechanism includes a stirring shaft 11 disposed on the inner wall of the feed frame 4. Multiple stirring plates are fixedly connected to the side wall of the stirring shaft 11. The side wall of the feed frame 4 is equipped with a drive assembly for the stirring shaft 11.

[0026] In this utility model, a sealing cover 10 is placed on the frame 1, and a water pump 13 is provided on the side wall of the frame 1. The water outlet of the water pump 13 is connected to the sealing cover 10 through a water outlet pipe. A first valve is provided on the water outlet pipe. The water outlet pipe is a sufficiently long flexible hose. Two threaded holes are provided on both the sealing cover 10 and the feed frame 4. A sealing ring is provided at the lower end of the sealing cover 10.

[0027] The utility model discloses, the hot -blast machine 12 exhaust end is communicated with the sealing cover 10 through the hot -blast pipe, is equipped with the second valve on the hot -blast pipe, and the hot -blast pipe is the hose of enough length.

[0028] The utility model discloses, the installation ring 21 lateral wall screw thread connection has the material guiding cylinder 20, and the material guiding cylinder 20 lower intercommunication is equipped with the discharge pipe, can concentrate and discharge the waste material, and the convenient collection.

[0029] The utility model discloses, be equipped with with its inside intercommunication two ventilation pipes 22 on the installation casing 14, and one ventilation pipe 22 lateral wall is equipped with the fan 23, can be ventilated to the installation casing 14, makes the motor 15 can normally run, and the fan 23 also can be connected external cold air blower in practice.

[0030] Initial state, the material guiding cylinder 20 is taken down, and the rack 1 is equipped with a plurality of cushion blocks below, and the water pump 13 water inlet end is connected with external water source through the pipeline.

[0031] Need to explain, the utility model discloses a kind of dry granulation machine with cleaning structure, user pours dry material into feed frame 4, the driving assembly of stirring shaft 11 is started, stirring shaft 11 and stirring plate rotate to dry material and are stirred, avoid agglomeration, the driving assembly of first screw conveyor 3 and second screw conveyor 5 is started, and first screw conveyor 3 and second screw conveyor 5 extrude dry material and are transported into processing box 7, two extrusion rollers 6 extrude dry material into sheet, sheet falls on installation casing 14 and is divided into several pieces, motor 15 drives two stirring rods 17 rotation, and dry material is broken, material particle meeting the mesh diameter of screen cylinder 8 falls from screen cylinder 8, and finally is discharged from discharge pipe 9;

[0032] When cleaning, can be cleaned by screwing out a plurality of bolts, screen cylinder 8 is taken out from discharge pipe 9, screen cylinder 8 can also be cleaned by using external water pipe into feed frame 4, water pipe is placed in feed frame 4, keeps spiral low-speed operation, and water flow carries residual material and carries out equipment, after cleaning, external compressed air can also be connected to blow dry equipment inside;

[0033] For the cleaning of equipment, sealing cover 10 can be covered on feed frame 4, and the equipment is cleaned back by water pump 13 and hot -blast machine 12, without external connection other equipment, convenient cleaning operation.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A dry granulator with cleaning structure comprising a frame (1), a control box (2), a feeding frame (4) and a processing box (7), characterized in that, The processing box (7) is provided with a second spiral conveying pipe (5) and a discharging pipe (9) which communicate with the inside of the processing box (7), the side wall of the second spiral conveying pipe (5) is provided with a first spiral conveying pipe (3), the side wall of the rack (1) is provided with two extrusion rollers (6) and a scraper, the processing box (7) is provided with a screen cylinder (8), the inner wall of the discharging pipe (9) is fixedly connected with a mounting shell (14), the mounting shell (14) is provided with a motor (15), the output shaft of the motor (15) is fixedly connected with two stirring rods (17), the side wall of the discharging pipe (9) is provided with a mounting mechanism for mounting the screen cylinder (8), the mounting mechanism comprises a plurality of mounting blocks (18) fixedly connected to the side wall of the discharging pipe (9), the lower end of the mounting block (18) is provided with a connecting block (19), the lower end of the connecting block (19) is provided with a bolt, the side walls of a plurality of connecting blocks (19) are provided with a mounting piece (16) in common, the upper end of the mounting piece (16) is fixedly connected with the lower end of the screen cylinder (8), and the feeding frame (4) is provided with a stirring mechanism for stirring materials.

2. The dry granulator having a cleaning structure according to claim 1, characterized by, The stirring mechanism comprises a stirring shaft (11) arranged on the inner wall of the feeding frame (4), and the side wall of the stirring shaft (11) is fixedly connected with a plurality of stirring plates.

3. The dry granulator having a cleaning structure according to claim 2, characterized by, The rack (1) is placed with a sealing cover (10), the side wall of the rack (1) is provided with a water pump (13), the water outlet end of the water pump (13) is communicated with the sealing cover (10) through a water outlet pipe, and the water outlet pipe is provided with a first valve.

4. The dry granulator having a cleaning structure according to claim 3, characterized in that, The side wall of the rack (1) is provided with a hot air machine (12), the air outlet end of the hot air machine (12) is communicated with the sealing cover (10) through a hot air pipe, and the hot air pipe is provided with a second valve.

5. The dry granulator having a cleaning structure according to claim 4, wherein The side wall of the discharging pipe (9) is fixedly connected with a mounting ring (21), the side wall of the mounting ring (21) is threadedly connected with a material guiding cylinder (20), and the lower end of the material guiding cylinder (20) is communicated with a discharging pipe.

6. The dry granulator having a cleaning structure according to claim 1, wherein The mounting shell (14) is provided with two ventilation pipes (22) which communicate with the inside of the mounting shell (14), and the side wall of one of the ventilation pipes (22) is provided with a fan (23).