Press roller of granulator

By designing a pressure roller structure that is easy to disassemble and install, the problems of difficult disassembly of pressure rollers and fixed particle size in the prior art have been solved, realizing flexible replacement of pressure rollers and adjustment of particle size.

CN224057311UActive Publication Date: 2026-03-31ANHUI JINDINGSHENG MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing pellet mill pressure rollers require a large number of screws and other fixing parts during disassembly and installation, making them inconvenient to replace, and the size of the pellets is fixed and difficult to adjust.

Method used

A pressure roller comprising a pressure roller shaft, mounting components, and replacement components has been designed. The pressure roller is easy to disassemble and install through structures such as sliding grooves, connecting shafts, and bolts, and the size of the granular material can be adjusted through the pressure roller shell and protrusions.

Benefits of technology

It enables convenient disassembly and installation of the pressure roller, better adapting to the needs of adjusting for different particle sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of granulators, in particular to a compression roller of a granulator, which comprises a compression roller shaft body, a mounting component and a replacement component, a sliding groove is arranged in the compression roller shaft body, a sliding block is arranged in the sliding groove in a sliding manner, the mounting component comprises a connecting shaft, the connecting shaft is fixedly arranged on one side of the sliding block, and the replacement component is arranged on the connecting shaft. A sliding block is arranged in a sliding groove in a sliding mode, a first bolt is inserted into an extending block and the compression roller shaft body in a threaded mode, a connecting block is fixedly arranged on the outer surface of a connecting shaft, a containing groove is formed in one side of the compression roller shaft body, and the connecting block is arranged in the containing groove in a threaded mode. The control block is clamped in the control groove through the rotating block, so that the compression roller on the granulator is convenient to disassemble and install, the compression roller shell is slidably placed on the outer surface of the compression roller shaft body, the first bolt is inserted into the extension block and the compression roller shaft body in a threaded mode, the compression roller shell is fixed to the outer surface of the compression roller shaft body, and the size of particle materials is convenient to adjust.
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Description

Technical Field

[0001] This utility model relates to the field of granulator technology, specifically a granulator pressure roller. Background Technology

[0002] A pellet mill mainly consists of a feeding, mixing, pelleting, transmission, and lubrication system. It is widely used in the pharmaceutical, chemical, and food industries. Pellet mills can be divided into feed pellet mills and biomass energy pellet mills.

[0003] In the prior art, such as the high-hardness pellet mill pressure roller proposed in patent application number "CN202322094221.7", a pressure roller body, an eccentric shaft, an upper end cover, an eccentric baffle, a shock-absorbing mechanism, a bearing, and a lower end cover are included. The shock-absorbing mechanism is fixedly installed inside the pressure roller body. The shock-absorbing mechanism includes an inner ring body, a compression spring, and extension blocks. The inner ring body is installed inside the pressure roller body. Multiple compression springs connected to the pressure roller body are installed on the inner ring body. Multiple extension blocks are provided at both the upper and lower ends of the inner ring body. The extension blocks are fixed to the pressure roller body by bolts.

[0004] However, in the aforementioned patent, when the pressure roller is currently fitted onto the bearing, a large number of screws and other fixing parts are required, making it inconvenient to disassemble, install, and replace the pressure roller on the pellet mill. The size of the granules produced by the pellet mill pressure roller is fixed, making it inconvenient to adjust the size of the granules according to requirements. Utility Model Content

[0005] The purpose of this invention is to provide a pellet mill pressure roller to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A pellet mill pressure roller includes a pressure roller shaft, an installation assembly, and a replacement assembly. The pressure roller shaft has a sliding groove inside, and a sliding block is slidably disposed inside the sliding groove.

[0008] The installation assembly includes a connecting shaft, which is fixedly mounted on one side of the sliding block. A connecting block is fixedly mounted on the outer surface of the connecting shaft. A placement groove is opened on one side of the pressure roller shaft. The connecting block is threaded inside the placement groove. Two extension blocks are fixedly mounted on the outer surface of the connecting block. A first bolt is threaded inside each of the two extension blocks.

[0009] Preferably, one end of each of the two first bolts is threaded inside the pressure roller shaft, and a threaded rod is fixedly provided on the other side of the sliding block.

[0010] Preferably, the outer surface of the threaded rod is threaded with a rotating block, one end of the rotating block is fixedly provided with a control block, and the other side of the pressure roller shaft is provided with a control groove, and the control block is slidably disposed inside the control groove.

[0011] Preferably, the replacement component includes a pressure roller shell, which is slidably disposed on the outer surface of the pressure roller shaft, and four protrusions are fixedly disposed at one end of the pressure roller shell.

[0012] Preferably, the outer surface of the pressure roller shaft is provided with four grooves, and four protrusions slide in the four grooves respectively. Two positioning blocks are fixedly provided at the other end of the pressure roller shell, and two positioning grooves are provided on one side of the pressure roller shaft.

[0013] Preferably, the two positioning blocks are slidably disposed inside the two positioning grooves, and each of the two positioning blocks is threaded with a second bolt, one end of which is threaded into the two positioning grooves.

[0014] The beneficial effects of this utility model are:

[0015] This invention, due to the installation components including connecting shafts and connecting blocks, allows the sliding block to be slidably placed inside the sliding groove, and the first bolt to be threaded into the extension block and the pressure roller shaft. By rotating the block, the control block is locked inside the control groove, facilitating the disassembly, installation, and replacement of the pressure roller on the pellet mill. Since the replacement components include pressure roller shells and protrusions, the pressure roller shell is slidably placed on the outer surface of the pressure roller shaft, and the first bolt is threaded into the extension block and the pressure roller shaft, fixing the pressure roller shell to the outer surface of the pressure roller shaft, facilitating the adjustment of the particle size according to requirements. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the positioning block and the second bolt structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the groove and positioning groove structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the threaded rod and rotating block structure of this utility model;

[0021] Figure 5This is a schematic diagram of the sliding block and connecting shaft structure of this utility model.

[0022] The attached figures are labeled as follows:

[0023] 1. Pressure roller shaft; 2. Sliding groove; 3. Sliding block; 4. Connecting shaft; 5. Connecting block; 6. Placement groove; 7. Extension block; 8. First bolt; 9. Threaded rod; 10. Rotating block; 11. Control block; 12. Control groove; 13. Pressure roller shell; 14. Protrusion; 15. Groove; 16. Positioning block; 17. Positioning groove; 18. Second bolt. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] A pellet mill pressure roller includes a pressure roller shaft 1, an installation assembly, and a replacement assembly. The pressure roller shaft 1 has a sliding groove 2 inside, and a sliding block 3 is slidably arranged inside the sliding groove 2.

[0026] The mounting assembly includes a connecting shaft 4, which is fixedly mounted on one side of the sliding block 3. A connecting block 5 is fixedly mounted on the outer surface of the connecting shaft 4. A placement groove 6 is provided on one side of the pressure roller shaft 1. The connecting block 5 is threaded inside the placement groove 6. Two extension blocks 7 are fixedly mounted on the outer surface of the connecting block 5. A first bolt 8 is threaded inside each of the two extension blocks 7.

[0027] like Figure 3 and Figure 5 Slide the sliding block 3 inside the sliding groove 2, rotate the connecting shaft 4 to make the connecting block 5 rotate inside the placement groove 6, insert the first bolt 8 into the extension block 7 and the pressure roller shaft 1, and fix the connecting shaft 4 to one side of the pressure roller shaft 1.

[0028] One end of each of the two first bolts 8 is threaded inside the pressure roller shaft 1, and a threaded rod 9 is fixedly installed on the other side of the sliding block 3.

[0029] like Figure 1 , Figure 4 and Figure 5 A connecting shaft 4 is fixed at one end of the sliding block 3, and a threaded rod 9 is fixed at the other end of the sliding block 3.

[0030] A rotating block 10 is threaded on the outer surface of the threaded rod 9. A control block 11 is fixedly installed at one end of the rotating block 10. A control groove 12 is opened on the other side of the pressure roller shaft 1. The control block 11 is slidably installed inside the control groove 12.

[0031] like Figure 4 and Figure 5 The rotating block 10 is screwed onto the outer surface of the threaded rod 9, so that the control block 11 is set inside the control groove 12 to control the position between the threaded rod 9 and the pressure roller shaft 1.

[0032] The replacement component includes a pressure roller shell 13, which is slidably disposed on the outer surface of the pressure roller shaft 1, and four protrusions 14 are fixedly disposed at one end of the pressure roller shell 13.

[0033] like Figure 2 and Figure 3 The pressure roller shell 13 is slid from one side of the pressure roller shaft 1 to the outer surface of the pressure roller shaft 1, and four protrusions 14 are fixed at one end of the pressure roller shell 13.

[0034] The outer surface of the pressure roller shaft 1 has four grooves 15, and four protrusions 14 slide inside the four grooves 15 respectively. Two positioning blocks 16 are fixedly installed at the other end of the pressure roller shell 13, and two positioning grooves 17 are opened on one side of the pressure roller shaft 1.

[0035] like Figure 2 and Figure 3 Since the pressure roller shell 13 is located on the outer surface of the pressure roller shaft 1, the protrusion 14 slides inside the groove 15, controlling the position between the pressure roller shaft 1 and the pressure roller shell 13.

[0036] Two positioning blocks 16 are slidably disposed inside two positioning grooves 17 respectively. Each of the two positioning blocks 16 has a second bolt 18 threaded inside it, and one end of each second bolt 18 is threaded into the two positioning grooves 17 respectively.

[0037] like Figure 2 and Figure 3 The second bolt 18 is threaded into the positioning block 16 and the positioning groove 17, so that the pressure roller shell 13 is fixed on the outer surface of the pressure roller shaft 1.

[0038] The working principle of the pellet mill pressure roller provided by this utility model is as follows:

[0039] Slide the roller shell 13 onto the outer surface of the roller shaft 1. Insert the second bolt 18 into the positioning block 16 and the positioning groove 17, so that the roller shell 13 is fixed on the outer surface of the roller shaft 1. Slide the sliding block 3 into the sliding groove 2, so that the connecting block 5 is inserted into the placement groove 6. Insert the first bolt 8 into the extension block 7 and the roller shaft 1, so that the connecting shaft 4 and the threaded rod 9 are fixed on both sides of the roller shaft 1. Place the rotating block 10 on the outer surface of the threaded rod 9, so that the control block 11 is locked in the control groove 12.

[0040] Compared with related technologies, the pellet mill pressure roller provided by this utility model has the following beneficial effects:

[0041] Since the installation components of this utility model include connecting shaft 4 and connecting block 5, the sliding block 3 is slidably placed inside the sliding groove 2, the first bolt 8 is threaded into the extension block 7 and the pressure roller shaft 1, and the control block 11 is locked inside the control groove 12 by rotating block 10, which facilitates the disassembly, installation and replacement of the pressure roller on the pellet mill.

[0042] Since the replacement components include the pressure roller shell 13 and the protrusion 14, the pressure roller shell 13 is slidably placed on the outer surface of the pressure roller shaft 1, and the first bolt 8 is threaded into the extension block 7 and the inside of the pressure roller shaft 1 to fix the pressure roller shell 13 on the outer surface of the pressure roller shaft 1, so as to facilitate the adjustment of the size of the granular material according to the needs.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A granulator press roll comprising a press roll shaft body (1), a mounting assembly and a change assembly, characterized in that, The inside of the pressing roller shaft body (1) is provided with a sliding groove (2), and the inside of the sliding groove (2) is provided with a sliding block (3); The mounting assembly comprises a connecting shaft (4) fixedly arranged on one side of the sliding block (3), and the outer surface of the connecting shaft (4) is fixedly provided with a connecting block (5); one side of the pressing roller shaft body (1) is provided with a placing groove (6), the connecting block (5) is screwedly arranged in the placing groove (6), and the outer surface of the connecting block (5) is fixedly provided with two extension blocks (7); and the interiors of the two extension blocks (7) are screwedly provided with first bolts (8).

2. A press roll for a pellet mill according to claim 1, characterized in that One end of each of the two first bolts (8) is screwedly arranged in the pressing roller shaft body (1), and the other side of the sliding block (3) is fixedly provided with a threaded rod (9).

3. A press roll for a pellet mill according to claim 2, characterized in that The outer surface of the threaded rod (9) is screwedly provided with a rotating block (10), one end of the rotating block (10) is fixedly provided with a control block (11), the other side of the pressing roller shaft body (1) is provided with a control groove (12), and the control block (11) is slidingly arranged in the control groove (12).

4. A press roll for a pellet mill according to claim 1, characterized in that The replacing assembly comprises a pressing roller shell (13) slidingly arranged on the outer surface of the pressing roller shaft body (1), and the one end of the pressing roller shell (13) is fixedly provided with four protruding blocks (14).

5. A press roll for a pellet mill according to claim 4, characterized in that The outer surface of the pressing roller shaft body (1) is provided with four recesses (15), the four protruding blocks (14) are slidingly arranged in the four recesses (15) respectively, the other end of the pressing roller shell (13) is fixedly provided with two positioning blocks (16), and one side of the pressing roller shaft body (1) is provided with two positioning grooves (17).

6. A press roll for a pellet mill according to claim 5, characterized in that The two positioning blocks (16) are slidingly arranged in the two positioning grooves (17) respectively, and the interiors of the two positioning blocks (16) are screwedly provided with second bolts (18); and one end of each of the two second bolts (18) is screwedly inserted into the interior of the two positioning grooves (17) respectively.

Citation Information

Patent Citations

  • High-hardness compression roller of granulator

    CN220531515U