Knife roll of granulator

By designing a detachable snap-fit ​​mechanism, the cutter claw and the cutter head can be detachably connected, which solves the problem of high cost and resource waste caused by the integrated installation of the cutter claw and the cutter head in the existing technology, and improves the ease of use and flexibility.

CN223849371UActive Publication Date: 2026-01-30SHANGHAI JIYO MECHANICAL & ELECTRICAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520522408.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-01-30
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

The existing pelletizer cutter roller has its cutter claws and cutter disc installed as a single unit, which means that they need to be replaced together after wear, increasing the cost of use and wasting resources.

Method used

The design features a detachable snap-fit ​​mechanism, which allows for the detachable installation of the cutter jaws and the cutter head via a nut and threaded connection, providing two replacement methods to flexibly select the appropriate connection method.

Benefits of technology

It reduces the cost of replacing the cutter claw, avoids waste of resources, and improves ease of use and flexibility.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223849371U_ABST
    Figure CN223849371U_ABST
Patent Text Reader

Abstract

The utility model discloses a granulator knife roll, and relates to the field of plastic processing equipment accessories, the granulator knife roll comprises a knife claw, a plurality of first knife edges and second knife edges are fixedly mounted on the knife claw, and a knife disc is detachably mounted on the knife claw. The first nut is rotated and detached, at the moment, positioning and mounting of the connecting column can be relieved, so that the connecting column can be detached, positioning and mounting of the cutterhead and the cutter claws can be relieved, the cutter claws can be replaced, the cutterhead and the cutter claws do not need to be wholly replaced, the use cost is reduced, and resource waste is avoided; the second nut is rotated and detached, at the moment, positioning installation of the positioning column can be relieved, the positioning column can be detached, positioning installation of the cutter head and the cutter claws can be relieved, and therefore connection is conducted in two modes, specifically, a proper connection mode can be selected according to the use condition, and the use efficiency is improved. And the convenience and the flexibility during use are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the field of plastic processing equipment accessories, in particular to a cutter roll of a granulator. BACKGROUND

[0002] The granulator is a device for cutting large pieces of plastic or rubber into smaller particles, commonly used in recycling of waste materials.

[0003] According to the search, the patent with the patent authorization announcement number CN208497096U discloses a cutter roll of a granulator, which comprises a cutter shaft, a plurality of cutter discs which are sequentially attached to and fixed on the cutter shaft along the axial direction of the cutter shaft, and a plurality of cutter claws which are uniformly distributed along the circumferential direction of each cutter disc.

[0004] The cutter roll of the granulator disclosed in the above patent has the following disadvantages: although the device can simultaneously cut the material, the stress on the material is more uniform, the cutting efficiency is higher, and the consistency of the particles is better and more uniform, the cutter claws of the device will be worn out after a long time of use, and thus need to be replaced, and since the cutter claws and the cutter disc are integrally installed, the cutter claws and the cutter disc need to be replaced at the same time, which increases the use cost. CONTENT OF THE UTILITY MODEL

[0005] In order to reduce the use cost, the present application provides a cutter roll of a granulator.

[0006] The cutter roll of the granulator provided by the present application adopts the following technical scheme: a cutter roll of a granulator, comprising a cutter claw, a plurality of first cutting edges and second cutting edges are fixedly installed on the cutter claw, a cutter disc is detachably installed on the cutter claw, and a clamping mechanism is arranged on the cutter disc.

[0007] The clamping mechanism comprises a plurality of elongated grooves formed in the cutter disc, a plurality of elongated blocks are slidably installed in the elongated grooves, the elongated blocks are fixedly connected with the cutter claw, an elongated hole is formed in each of the elongated blocks, a connecting column is arranged in the elongated hole, a first thread is formed on the outer surface of each of the two sides of the connecting column exposed to the outside, a first nut is screwed on each of the two first threads, an installation column is arranged on the cutter disc, and a connecting shaft is arranged on the installation column.

[0008] By adopting the above technical scheme, the first nut is rotated and detached, the positioning and installation of the connecting column are released at this time, the connecting column can be detached, the positioning and installation of the cutter disc and the cutter claw are released, the cutter claw can be replaced, the cutter disc and the cutter claw do not need to be replaced as a whole, the use cost is reduced, and resource waste is avoided.

[0009] Preferably, the clamping mechanism further comprises positioning holes formed on the top and bottom of the elongated block, positioning columns are arranged in the two positioning holes, and second threads are formed on the exposed surfaces of the two positioning columns.

[0010] By rotating the second nut and disassembling it, the positioning and installation of the positioning column can be released, the positioning column can be disassembled, and the positioning and installation of the cutter disc and the cutter claw can be released. Therefore, the application is connected in two ways, and the appropriate connection mode can be selected according to the use condition, and the convenience and flexibility during use are improved.

[0011] Preferably, the widths of the first nut and the second nut are greater than the width of the elongated block.

[0012] By adopting the above technical scheme, the widths of the first nut and the second nut are greater than the width of the elongated block, so that the positioning and installation effect can be achieved.

[0013] Preferably, two limiting grooves are symmetrically formed on the cutter disc, limiting blocks are slidingly installed in the two limiting grooves, and the two limiting blocks are fixedly installed on the elongated block.

[0014] By adopting the above technical scheme, the limiting grooves and the limiting blocks are arranged, so that the limiting and installing effect can be achieved.

[0015] Preferably, a plurality of grooves and cutouts are formed on the cutter claw.

[0016] By adopting the above technical scheme, the plurality of grooves and cutouts are arranged, so that the auxiliary discharging effect can be achieved.

[0017] Preferably, a plurality of mounting holes are formed on the cutter disc, circular holes are formed in the plurality of mounting holes, and the widths of the plurality of circular holes are greater than the widths of the corresponding mounting holes.

[0018] By adopting the above technical scheme, the circular holes are arranged, so that the auxiliary mounting effect can be achieved.

[0019] Preferably, a plurality of through holes are formed on the cutter disc, and the plurality of through holes are staggered with the corresponding mounting holes and circular holes.

[0020] By adopting the above technical scheme, the through holes are arranged, so that the auxiliary mounting effect can be achieved.

[0021] In summary, the application has at least one of the following beneficial technical effects:

[0022] 1. The application adopts the cooperation of the claw and the like, by rotating the first nut and disassembling, the positioning and installation of the connecting column can be released at this time, so that the connecting column can be disassembled, and then the positioning and installation of the cutter disc and the claw can be released, so that the claw can be replaced, without replacing the cutter disc and the claw as a whole, reducing the use cost and avoiding resource waste.

[0023] 2. The application adopts the cooperation of the positioning column and the like, by rotating the second nut and disassembling, the positioning and installation of the positioning column can be released at this time, so that the positioning column can be disassembled, and then the positioning and installation of the cutter disc and the claw can be released, so that the application is connected in two ways, and the appropriate connection mode can be selected according to the use condition, and the convenience and flexibility during use are improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is a schematic diagram of the overall structure of a cutter roll of a granulator according to an embodiment of the application;

[0025] Fig. 2 It is a schematic diagram of the overall structure of a cutter roll of a granulator according to an embodiment of the application;

[0026] Fig. 3 It is a schematic diagram of the overall structure of a cutter roll of a granulator according to an embodiment of the application;

[0027] Fig. 4 It is a schematic diagram of the overall structure of a cutter roll of a granulator according to an embodiment of the application;

[0028] Fig. 5 It is a schematic diagram of the overall structure of a cutter roll of a granulator according to an embodiment of the application;

[0029] Reference signs: 1, claw; 2, mounting column; 3, connecting shaft; 4, cutter disc; 5, first blade; 6, second blade; 7, groove; 8, cutout; 9, mounting hole; 10, circular hole; 11, through hole; 12, elongated slot; 13, elongated block; 14, limiting slot; 15, limiting block; 16, elongated hole; 17, connecting column; 18, first thread; 19, first nut; 20, positioning hole; 21, positioning column; 22, second thread; 23, second nut. DETAILED DESCRIPTION

[0030] The following will be described in detail in combination with the accompanying drawings Figs. 1-5 The application will be further described in detail.

[0031] The application discloses a cutter roll of a granulator.

[0032] Reference Figs. 1-3The utility model provides a cutting machine knife roll, including the claw 1, a plurality of first cutting edges 5 and second cutting edges 6 are fixedly installed on the claw 1, and the cutter head 4 is detachably installed on the claw 1, the clamping mechanism is arranged on the cutter head 4, and the mounting mechanism is installed.

[0033] Wherein, the clamping mechanism includes a plurality of long slots 12 opened on the cutter head 4, a long block 13 slidingly installed in the plurality of long slots 12, and the plurality of long blocks 13 are fixedly connected with the claw 1, a long hole 16 opened on the plurality of long blocks 13, a connecting column 17 arranged in the long hole 16, and a first thread 18 opened on the two sides of the outer surface of the connecting column 17 exposed to the outside, two first nuts 19 screwed on the two first threads 18, the cutter head 4 is provided with a mounting column 2, and the mounting column 2 is provided with a connecting shaft 3.

[0034] In use, by rotating the first nut 19 and disassembling it, the positioning and installation of the connecting column 17 can be released at this time, so that the connecting column 17 can be disassembled, and the positioning and installation of the cutter head 4 and the claw 1 can be released, so that the claw 1 can be replaced, without replacing the cutter head 4 and the claw 1 as a whole, reducing the use cost and avoiding resource waste.

[0035] Referring to Figs. 3-5 , the clamping mechanism further includes a positioning hole 20 opened on the top and bottom of the long block 13, two positioning columns 21 slidingly installed in the two positioning holes 20, a second thread 22 opened on the surface of the two positioning columns 21 exposed to the outside, two second nuts 23 screwed on the two second threads 22, the width of the first nut 19 and the second nut 23 is greater than the width of the long block 13, two limiting grooves 14 symmetrically opened on the cutter head 4, two limiting blocks 15 slidingly installed in the two limiting grooves 14, and the two limiting blocks 15 are fixedly installed on the long block 13, a plurality of grooves 7 and notches 8 are respectively opened on the claw 1.

[0036] In use, by rotating the second nut 23 and disassembling it, the positioning and installation of the positioning column 21 can be released at this time, so that the positioning column 21 can be disassembled, and the positioning and installation of the cutter head 4 and the claw 1 can be released, so that the application is connected by two ways, and the appropriate connection mode can be selected according to the use condition, and the convenience and flexibility in use are improved.

[0037] Referring to Figs. 3-5 , the mounting mechanism includes a plurality of mounting holes 9 opened on the cutter head 4, a plurality of circular holes 10 arranged on the plurality of mounting holes 9, and the width of the plurality of circular holes 10 is greater than the width of the corresponding mounting hole 9, a plurality of through holes 11 opened on the cutter head 4, and the plurality of through holes 11 are staggered with the corresponding mounting hole 9 and circular hole 10.

[0038] In use, the material is cut by the plurality of first cutting edges 5 and the plurality of second cutting edges 6 on the cutter disc 4, when the cutter claw 1 cuts the material, the material cut will move along the groove 7 on the cutter claw 1 under the action of the first cutting edge 5 and the second cutting edge 6, avoiding the particles cut in the groove 7 to stay; by setting the mounting hole 9 and the through hole 11, the auxiliary installation effect can be achieved.

[0039] The implementation principle of the cutter roller of the granulator according to an embodiment of the application is as follows: in use, the cutter roller is rotatably connected in the granulator through the mounting column 2 and the connecting shaft 3, and the material is cut by the plurality of first cutting edges 5 and the plurality of second cutting edges 6 on the cutter disc 4, when the cutter claw 1 cuts the material, the material cut will move along the groove 7 on the cutter claw 1 under the action of the first cutting edge 5 and the second cutting edge 6, avoiding the particles cut in the groove 7 to stay;

[0040] By rotating the first nut 19 and disassembling it, the positioning and installation of the connecting column 17 can be released, so that the connecting column 17 can be disassembled, and the positioning and installation of the cutter disc 4 and the cutter claw 1 can be released, so that the cutter claw 1 can be replaced, without the need to replace the cutter disc 4 and the cutter claw 1 as a whole, reducing the use cost and avoiding resource waste;

[0041] By rotating the second nut 23 and disassembling it, the positioning and installation of the positioning column 21 can be released, so that the positioning column 21 can be disassembled, and the positioning and installation of the cutter disc 4 and the cutter claw 1 can be released, so that the application is connected by two ways, and the appropriate connection way can be selected according to the use condition, and the convenience and flexibility in use are improved.

[0042] The above are preferred embodiments of the application, and do not limit the protection scope of the application, therefore: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A cutter roll for a dicer, comprising a cutter claw (1), characterized in that: The cutter claw (1) is fixedly provided with a plurality of first cutting edges (5) and second cutting edges (6), and the cutter claw (1) is detachably provided with a cutter disc (4), and the cutter disc (4) is provided with a clamping mechanism. The clamping mechanism comprises a plurality of elongated grooves (12) formed in the cutter disc (4), a plurality of elongated blocks (13) are slidably arranged in the elongated grooves (12), the elongated blocks (13) are fixedly connected with the cutter claw (1), an elongated hole (16) is formed in each of the elongated blocks (13), a connecting column (17) is arranged in the elongated hole (16), a first thread (18) is formed on the outer surface of each of the two exposed sides of the connecting column (17), a first nut (19) is screwed on each of the two first threads (18), the cutter disc (4) is provided with a mounting column (2), and the mounting column (2) is provided with a connecting shaft (3).

2. A cutter roll as claimed in claim 1, characterized in that: The clamping mechanism further comprises positioning holes (20) formed in the top and bottom of the elongated block (13), a positioning column (21) is arranged in each of the two positioning holes (20), a second thread (22) is formed on the outer surface of each of the two positioning columns (21), and a second nut (23) is screwed on each of the two second threads (22).

3. A cutter roll as claimed in claim 2, wherein: The widths of the first nut (19) and the second nut (23) are greater than the width of the elongated block (13).

4. A cutter roll as defined in claim 1, wherein: Two limiting grooves (14) are symmetrically formed in the cutter disc (4), a limiting block (15) is slidably arranged in each of the two limiting grooves (14), and the limiting blocks (15) are fixedly arranged on the elongated block (13).

5. A dicer knife roll as defined in claim 1, wherein: A plurality of grooves (7) and cutouts (8) are formed in the cutter claw (1).

6. A cutter roll as defined in claim 1, wherein: A plurality of mounting holes (9) are formed in the cutter disc (4), a circular hole (10) is formed in each of the plurality of mounting holes (9), and the widths of the plurality of circular holes (10) are greater than the widths of the corresponding mounting holes (9).

7. A dicer knife roll as defined in claim 6, wherein: A plurality of through holes (11) are formed in the cutter disc (4), and the plurality of through holes (11) are staggered with the corresponding mounting holes (9) and circular holes (10).

Citation Information

Patent Citations

  • Rotor of pelleter

    CN208497096U