Adjustable granulator hob

Abstract

The utility model relates to the technical field of hobbing cutters, in particular to an adjustable granulator hobbing cutter which comprises a hobbing cutter shaft, smooth grooves are formed in the upper surface and the lower surface of the hobbing cutter shaft, a first hobbing cutter lantern ring is installed on the outer surface of the hobbing cutter shaft, and limiting grooves are formed in the upper surface and the lower surface of the first hobbing cutter lantern ring. A lead screw body is installed on the inner side wall of the first hob lantern ring. And the movable block is installed on the outer surface of the lead screw body, a top plate is fixedly connected to the top face of the movable block, a limiting block is installed on the right side surface of the movable block, and the limiting block is installed on the inner wall of the first hob lantern ring in a sliding mode. By means of the design of the limiting blocks, the stability of the movable blocks during sliding can be guaranteed, and therefore the stability of the installation sleeve and the hob body during sliding on the surface of the first hob lantern ring can be guaranteed, the positions of the installation sleeve and the hob body can be conveniently adjusted, and adjustment is convenient.

Description

Technical Field

[0001] This utility model relates to the field of rotary cutter technology, specifically an adjustable pelletizer rotary cutter. Background Technology

[0002] A hob is a gear machining tool whose teeth are arranged in a helical pattern along a cylinder or cone. It is used to machine cylindrical gears, worm gears and other cylindrical toothed workpieces by generating the gears (see Gear Machining, Gears). Depending on the application, hobs are classified into gear hobs, worm gear hobs, non-involute generating hobs and fixed hobs, etc.

[0003] In response, Chinese Patent Application Publication No. CN220805745U discloses an adjustable-pitch double-cutting hob, belonging to the field of hob technology. It includes a hob shaft, with bushings at both ends for connecting to a drive shaft. The upper end of the hob shaft has a mounting groove, inside which is an adjusting disc. A drive housing is located inside the hob shaft, and hob sleeves are located on both sides of the adjusting disc. A hob body is fixedly mounted on the outer wall of each hob sleeve. This invention solves the problem of the cumbersome process of adjusting the cutters individually, which requires disassembling and adjusting each cutter individually. Through the cooperation of the adjusting disc and the internal transmission mechanism of the drive housing, the spacing between the hob bodies is adjusted. After adjustment, the adjusting disc is fixed to the hob shaft by using a positioning screw and a positioning groove, effectively preventing the adjusting disc from loosening during hob shaft rotation and ensuring stability during use.

[0004] However, in actual use, the position of the hob cutter insert cannot be adjusted; only the position of the hob body can be adjusted. Therefore, when a smaller position needs to be adjusted, it cannot be adjusted precisely. At the same time, the bushing also needs to be fixed when connected to the external output end. Therefore, improving and perfecting the above-mentioned problems has become an urgent issue to be addressed. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable pelletizer cutter blade to solve the problems mentioned in the background art, where the cutter blade cannot be adjusted in position during use, and only the position of the cutter body can be adjusted. As a result, it is not possible to make precise adjustments when a smaller position is required. At the same time, the bushing also needs to be fixed when connected to the external output end.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an adjustable pelletizer cutter, including a cutter shaft, smooth grooves on the upper and lower surfaces of the cutter shaft, a first cutter collar installed on the outer surface of the cutter shaft, limit grooves on both the upper and lower surfaces of the first cutter collar, and a lead screw body installed on the inner sidewall of the first cutter collar;

[0007] A movable block is installed on the outer surface of the lead screw body. A top plate is fixedly connected to the top surface of the movable block. A limit block is installed on the right side surface of the movable block. The limit block is slidably installed on the inner wall of the first hobbing collar.

[0008] Preferably, a rotating ring is fixedly connected to the front surface of the lead screw body, and the lead screw body is installed through the front surface of the first hobbing cutter collar.

[0009] Preferably, a mounting sleeve is installed on the top surface of the top plate, and a hobbing cutter body is fixedly connected to the outer surface of the mounting sleeve.

[0010] Preferably, a mounting cylinder is mounted on the front surface of the hob shaft, and a mounting groove is formed inside the mounting cylinder.

[0011] Preferably, the upper and lower surfaces of the mounting cylinder are provided with fixing grooves, and fixing pins are installed inside the fixing grooves.

[0012] Preferably, a second hob collar is installed on one side of the surface of the hob shaft, and the second hob collar has the same structure as the first hob collar.

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

[0014] 1. This adjustable pelletizer cutter, through its cutter shaft, smooth groove, first cutter collar, limiting groove, lead screw body, movable block, top plate, limiting block, rotating ring, mounting sleeve, and cutter body, allows for adjustment of the first cutter collar's position on the outer surface of the cutter shaft during use. When adjustment of the mounting sleeve and cutter body is required, rotating the rotating ring causes the lead screw body to rotate, and the movable block on the lead screw body slides, thus causing the mounting sleeve and cutter body to slide. The limiting block design ensures the stability of the movable block during sliding, thereby ensuring the stability of the mounting sleeve and cutter body when sliding on the first cutter collar surface. Therefore, this design facilitates easy adjustment of the positions of the mounting sleeve and cutter body, demonstrating its practicality.

[0015] 2. This adjustable pelletizer cutter features an installation cylinder, installation groove, fixing groove, fixing pin, and second cutter collar. During use, the external output shaft is first installed into the installation cylinder, and then the fixing pin is installed into the fixing groove. The fixing pin also penetrates the external output shaft to secure it, resulting in good overall fixation. Furthermore, the second cutter collar has the same structure as the first cutter collar, and the installation sleeve on the surface of the second cutter collar and the cutter body can be stably adjusted, demonstrating the design's functionality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a split diagram of the mounting sleeve and lead screw body structure of this utility model;

[0018] Figure 3 This is a three-dimensional schematic diagram of the first hobbing collar structure of this utility model;

[0019] Figure 4 This is a disassembled schematic diagram of the mounting cylinder and fixing pin structure of this utility model.

[0020] In the diagram: 1. Hob shaft; 2. Smoothing groove; 3. First hob collar; 4. Limiting groove; 5. Lead screw body; 6. Movable block; 7. Top plate; 8. Limiting block; 9. Rotating ring; 10. Mounting sleeve; 11. Hob body; 12. Mounting cylinder; 13. Mounting groove; 14. Fixing groove; 15. Fixing pin; 16. Second hob collar. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 One embodiment provided by this utility model:

[0023] An adjustable pelletizer cutter is disclosed in this application. The first cutter collar 3, screw body 5, and movable block 6 used in this application are all commercially available products. Their principles and connection methods are well-known prior art and will not be described in detail here. The cutter includes a cutter shaft 1 with smooth grooves 2 on its upper and lower surfaces. A first cutter collar 3 is mounted on the outer surface of the cutter shaft 1, and limit grooves 4 are provided on both its upper and lower surfaces. A screw body 5 is mounted on the inner wall of the first cutter collar 3. A rotating ring 9 is fixedly connected to the front surface of the screw body 5. The screw body 5 is installed through the front surface of the first cutter collar 3. An mounting cylinder 12 is mounted on the front surface of the cutter shaft 1. The cylinder 12 has an internal mounting groove 13, and the upper and lower surfaces of the mounting cylinder 12 have fixing grooves 14. Fixing pins 15 are installed inside the fixing grooves 14. A second hob collar 16 is installed on one side of the surface of the hob shaft 1. The second hob collar 16 has the same structure as the first hob collar 3. First, the external output shaft is installed into the inside of the mounting cylinder 12, and then the fixing pin 15 is installed into the inside of the fixing groove 14. The fixing pin 15 can also pass through the external output shaft to fix it, so the overall fixing effect is good. At the same time, the second hob collar 16 has the same structure as the first hob collar 3. Similarly, the mounting sleeve 10 and the hob body 11 on the surface of the second hob collar 16 can also be stably adjusted.

[0024] Movable block 6 is installed on the outer surface of the lead screw body 5. A top plate 7 is fixedly connected to the top surface of movable block 6. A limit block 8 is installed on the right side surface of movable block 6, and the limit block 8 is slidably installed on the inner wall of the first hob collar 3. An mounting sleeve 10 is installed on the top surface of the top plate 7, and the hob body 11 is fixedly connected to the outer surface of the mounting sleeve 10. Through the design of the smooth groove 2 and the first hob collar 3, the position of the first hob collar 3 on the outer surface of the hob shaft 1 can be adjusted. When it is necessary to adjust the position of the mounting sleeve 10 and the hob body 11, the… By rotating the rotating ring 9, the rotating ring 9 will drive the lead screw body 5 to rotate. Then, the movable block 6 on the surface of the lead screw body 5 will slide on the surface of the lead screw body 5. Thus, the movable block 6 will drive the mounting sleeve 10 and the hob body 11 to slide. The design of the limiting block 8 can ensure the stability of the movable block 6 when sliding, thereby ensuring the stability of the mounting sleeve 10 and the hob body 11 when sliding on the surface of the first hob collar 3. Therefore, this design can easily adjust the position of the mounting sleeve 10 and the hob body 11, and the adjustment is relatively convenient.

[0025] Working principle: During use, the design of the smooth groove 2 and the first hob collar 3 allows the first hob collar 3 to be adjusted on the outer surface of the hob shaft 1. When it is necessary to adjust the position of the mounting sleeve 10 and the hob body 11, the rotating ring 9 is rotated. At this time, the rotating ring 9 will drive the lead screw body 5 to rotate, and then the movable block 6 on the surface of the lead screw body 5 will slide on the surface of the lead screw body 5. Thus, the movable block 6 will drive the mounting sleeve 10 and the hob body 11 to slide. The design of the limiting block 8 can ensure the stability of the movable block 6 during sliding, thereby ensuring the stability of the mounting sleeve 10 and the hob body. 11. Stability when sliding on the surface of the first hob collar 3. Therefore, this design can easily adjust the position of the mounting sleeve 10 and the hob body 11. First, the external output shaft is installed into the inside of the mounting cylinder 12, and then the fixing pin 15 is installed into the inside of the fixing groove 14. The fixing pin 15 can also pass through the external output shaft to fix it, so the overall fixing effect is good. At the same time, the second hob collar 16 has the same structure as the first hob collar 3. Similarly, the mounting sleeve 10 and the hob body 11 on the surface of the second hob collar 16 can also be stably adjusted. The above is the working principle of this utility model.

[0026] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. An adjustable granulator hob, comprising a hob shaft (1), the upper and lower surfaces of the hob shaft (1) are provided with smooth grooves (2), the outer surface of the hob shaft (1) is provided with a first hob sleeve ring (3), characterized in that: The upper and lower surfaces of the first hob sleeve ring (3) are provided with limiting grooves (4), and the inner side wall of the first hob sleeve ring (3) is provided with a screw rod body (5); A movable block (6) is installed on the outer surface of the screw rod body (5), the top surface of the movable block (6) is fixedly connected with a top plate (7), the right side surface of the movable block (6) is installed with a limiting block (8), and the limiting block (8) is slidingly installed on the inner wall of the first hob sleeve ring (3).

2. An adjustable dicer hob as defined in claim 1, characterized in that: The front surface of the screw rod body (5) is fixedly connected with a rotating ring (9), and the screw rod body (5) penetrates through the front surface of the first hob sleeve ring (3) and is installed.

3. An adjustable dicer hob as defined in claim 1, wherein: The top surface of the top plate (7) is installed with a mounting sleeve (10), and the outer surface of the mounting sleeve (10) is fixedly connected with a hob body (11).

4. An adjustable dicer hob as defined in claim 1, wherein: The front surface of the hob shaft (1) is installed with a mounting cylinder (12), and the inside of the mounting cylinder (12) is provided with a mounting groove (13).

5. An adjustable dicer hob according to claim 4, wherein: The upper and lower surfaces of the mounting cylinder (12) are provided with fixing grooves (14), and the inside of the fixing grooves (14) is installed with fixing pins (15).

6. An adjustable dicer hob as defined in claim 1, wherein: The surface of the hob shaft (1) is installed with a second hob sleeve ring (16), and the second hob sleeve ring (16) is the same as the first hob sleeve ring (3).

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