CN114043540B

CN114043540B - Many sections cutters of ring die granulator

Info

Publication number: CN114043540B
Application number: CN202111382630.6A
Authority: CN
Inventors: 陆敏; 刘春华; 于栋; 沈业亭; 史泽鹏
Original assignee: Jiangsu Zhengchang Cereal And Feed Machinery Co ltd
Current assignee: Jiangsu Zhengchang Cereal And Feed Machinery Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2023-03-31
Anticipated expiration: 2041-11-22
Also published as: CN114043540A

Abstract

The invention belongs to the technical field of ring die granulators, and particularly relates to a multi-slice cutter device of a ring die granulator, which comprises a ring die, a press roller, a housing and at least two cutters, wherein the press roller is arranged in the ring die, the ring die and the cutters are arranged in the housing, the cutters are arranged on the outer side of the ring die and are tangentially arranged with the rotation direction of the ring die, at least two cutters are sequentially arranged along the direction far away from the ring die, the cutting edge of the latter cutter is higher than that of the former cutter, the cutter is connected with the housing in a sliding manner and slides along the direction close to or far away from the ring die, and when the ring die rotates, the cutter is fixedly arranged. Has the advantages that: this many sections cutters's granule material length is controllable, adjustable for the performance index of ring mould granulator itself adjusts more in a flexible way, does not receive the influence of granule length, satisfies the diversified demand to granule length, and the granule length of cutting out is even, can effectively improve feed pellet quality.

Description

Many sections cutters of ring die granulator

Technical Field

The invention belongs to the technical field of ring die granulators, and particularly relates to a multi-slice cutter device of a ring die granulator.

Background

The circular mold granulator is the main processing equipment of the pellet feed, can directly press powdery materials such as corn, bean pulp, straw, vegetation, rice hulls and the like into granules, has very wide application in the field of feed processing, is a key main machine of a pellet feed production line, and has the performance which determines the efficiency of the whole production line to a great extent.

The main working parts of the ring die granulator are composed of a ring die and a compression roller, the ring die rotates at a high speed during working to drive the compression roller to rotate together, and materials are extruded from holes of the ring die after being extruded by the compression roller and are cut by a cutter arranged on the outer side of the ring die to form granular materials.

The existing cutter device is of a single-blade structure, a cutter head is close to the outer wall of a ring die during installation, the distance is about 2mm-3mm, the cutter head and the ring die rotate in a tangential direction, extruded particles are cut off from the root under the action of a cutter, the length of the particles depends on the amount of materials extruded by a single time, a plurality of particles extruded by the single time are long, and the existing cutter device cannot play a role in controlling the length of the particles.

The existing cutter device has the following defects and shortcomings: 1. the cutter only plays a role in cutting off the granular materials and cannot directly control the length of the granules; 2. under the same working rotating speed, the cutting period of each time by the cutter is fixed, the length of the cut particles is only related to the feeding amount, the feeding amount is large, more materials are extruded in one cutting period, the length of the particles is long, and when in actual production, the large processing amount is required, and the length of the cut particles is expected to be short and controllable, which are contradictory; 3. in the actual production, the requirement for large yield results in long granule length, and after the granule is separated from a circular mould, the longer granule is easy to be broken into uneven sections due to higher speed, so that the granule has short length, uneven length and poor feed quality; 4. sometimes, in order to obtain granules with shorter length, the yield is artificially reduced, the equipment efficiency is low, the production cost is increased, and the profit is reduced.

Along with the development of feed industry, the customer is more and more high to the requirement of fodder quality, and current cutters can not effectual control granule length, and more the demand that is not suitable for market variation, urgent need to improve.

Disclosure of Invention

The invention provides a multi-slice cutter device of a ring die granulator, which aims to solve the problems of low production efficiency and low production quality of the ring die granulator due to the fact that the cutter device in the prior art cannot control the length of granules.

In order to solve the technical problem, the technical scheme adopted by the invention is that the multi-slice cutter device of the ring die granulator comprises a ring die, a compression roller, a housing and at least two cutters, wherein the compression roller is arranged in the ring die, the ring die and the cutters are both arranged in the housing, the cutters are arranged on the outer side of the ring die and are arranged in a manner of being tangent to the rotation direction of the ring die, at least two cutters are sequentially arranged along the direction far away from the ring die, the cutting edge of the next cutter is higher than the cutting edge of the previous cutter, the cutters are connected with the housing in a sliding manner and slide along the direction close to or far away from the ring die, and when the ring die rotates, the cutters are fixedly arranged.

Preferably, the cutter closest to the ring die is marked as a first cutter, the first cutter is driven by a first driving mechanism to slide along the direction close to or far away from the ring die, the first driving mechanism comprises a servo motor and a first cutter bar, one end of the first cutter bar is fixedly connected with the cutter, and the other end of the first cutter bar is in transmission connection with the output end of the servo motor through a screw rod structure. The first cutter rod is pushed to move back and forth through forward and reverse rotation of the servo motor, so that the first cutter is adjusted to a proper position, automatic adjustment is realized, the size control is more accurate, the operation is more convenient and faster, and time and labor are saved.

Furthermore, the screw rod structure comprises a first screw rod and a first guide rod, one end of the first guide rod is fixedly connected with a first one of the cutters, and the other end of the first guide rod is connected with a second one of the cutters in a sliding manner; first actuating mechanism still includes reduction gear, cover barrel and first spacer are all fixed to be set up on the housing, servo motor and reduction gear are all fixed to be set up on cover barrel, servo motor's output is connected with the input of reduction gear, the cutter seat is passed through to the one end of first cutter arbor and first cutter fixed connection, the other end of first cutter arbor slides in proper order and passes first spacer and cover barrel to with first lead screw threaded connection, the output fixed connection of first lead screw and reduction gear. The screw rod has simple and reliable structure, convenient operation and lower cost.

Preferably, the second cutting knife is driven by a second driving mechanism to slide along a direction close to or far away from the ring die, the second driving mechanism comprises a second connecting rod, a second spacer sleeve and a hand wheel, the second spacer sleeve is fixedly arranged on the housing, one end of the second connecting rod slides through the second spacer sleeve and is in threaded connection with the first guide rod, the other end of the second connecting rod is fixedly connected with the hand wheel, the first guide rod, the second connecting rod and the first cutting rod are all arranged in parallel, the second cutting knife is fixedly connected with the second connecting rod, and the second cutting knife is slidably sleeved on the first cutting rod. The second driving mechanism is simple and reliable in structure, convenient to operate and low in cost.

As preferred, the third the cutter is slided along the direction of being close to or keeping away from the ring mould by the drive of third actuating mechanism, third actuating mechanism includes third pull rod and third regulating plate, the fixed setting on the second connecting rod of third regulating plate, the one end and the third of third pull rod cutter fixed connection, the other end of third pull rod slides and passes the third regulating plate, be provided with third locking piece between third pull rod and the third regulating plate, the third the cutter is also slided the cover and is established on first cutter arbor. The third driving mechanism is simple and reliable in structure, convenient to operate and low in cost.

Further, the third locking piece comprises two third locking nuts, the third locking nuts are in threaded connection with the third pull rod, and the two third locking nuts are located on two sides of the third adjusting plate respectively. The third locking piece is simple and reliable in structure, convenient to operate and low in cost.

Preferably, the second cutter is driven by a second driving structure to slide along a direction close to or far away from the ring die, the second driving structure comprises a second pull rod, a second adjusting plate, a second guide rod and a second wear-resistant sleeve, the second guide rod and the second wear-resistant sleeve are fixedly arranged on the housing, one end of the second pull rod is fixedly connected with the second cutter, the other end of the second pull rod slides through the second wear-resistant sleeve and is fixedly connected with the second adjusting plate, the second adjusting plate is slidably connected with the second guide rod, a second locking piece is arranged between the second adjusting plate and the second guide rod, a second guide groove is formed in the first connecting rod, a second guide block matched with the second guide groove is formed in the second cutter, and the second pull rod, the first guide rod, the second guide groove and the first cutter rod are all arranged in parallel. The second driving structure is simple and reliable, convenient to operate and low in cost.

Further, the second locking piece comprises two second locking nuts, the second locking nuts are in threaded connection with the second guide rod, and the two second locking nuts are located on two sides of the second adjusting plate respectively. The second locking piece is simple and reliable in structure, convenient to operate and low in cost.

Preferably, the distance between the cutting edge of the first cutter and the ring die is 2-3 mm; and a baffle is fixedly arranged in the housing and is positioned between the ring die and the first cutter. Guarantee that first cutter cuts off the material that the ring die was extruded from the root, the baffle is guaranteed at the trial-and-error in-process, avoids first cutter to collide the ring die on, effectively protects first cutter.

Preferably, the number of the cutters is two or three. The quantity of the cutters is proper, the granules formed among the cutters are uniform and not easy to break, and the production efficiency is improved.

Has the advantages that:

1. the multi-section cutter device of the ring die granulator is controllable and adjustable in granule length, and can meet the requirement for diversification of granule length when different types of feeds are produced;

2. according to the multi-slice cutter device of the ring die granulator, the plurality of cutters are sequentially arranged along the direction far away from the ring die, and the distance between the cutters is adjustable, so that the direct relation between the length of traditional granules and the rotating speed and the feeding amount is broken through, the performance index of the ring die granulator is adjusted more flexibly, the influence of the length of the granules is avoided, and the optimal efficiency of the ring die granulator can be exerted;

3. the multi-slice cutter device of the ring die granulator overcomes the defects that the existing cutter device has longer length of cut granules, and the granules are easy to break into irregular multiple sections when being cut off and thrown out, have different lengths and poor quality;

4. the multi-slice cutter device of the ring die granulator can realize the adjustment of the relative positions of a plurality of cutters without stopping the machine, control the length of granules, and has the advantages of simple and convenient operation, time saving and labor saving; the servo motor drives the first cutter rod to move, so that the position of the cutter is controlled more accurately and adjusted more quickly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of embodiment 1 of the multi-chip cutter assembly of the ring die pelletizer of the present invention;

FIG. 2 is an enlarged partial schematic view of A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of embodiment 2 of the multi-slice cutter assembly of the ring die pelletizer of the present invention;

FIG. 4 is an enlarged partial schematic view of B in FIG. 3;

FIG. 5 is a schematic cross-sectional view of embodiment 3 of the multi-slice cutter assembly of the ring die pelletizer of the present invention;

FIG. 6 is an enlarged partial view of C of FIG. 5;

in the figure: 1. the device comprises a ring die, 2, a compression roller, 3, a housing, 4, a cutter, 5, a first driving mechanism, 51, a servo motor, 52, a first cutter bar, 53, a first screw rod, 54, a first guide rod, 55, a reducer, 56, a sleeve seat, 57, a first spacer bush, 58, a cutter seat, 6, a second driving mechanism, 61, a second connecting rod, 62, a second spacer bush, 63, a hand wheel, 7, a third driving mechanism, 71, a third pull rod, 72, a third adjusting plate, 73, a third locking nut, 8, a second driving mechanism, 81, a second pull rod, 82, a second adjusting plate, 83, a second guide rod, 84, a second wear-resistant sleeve, 85, a second locking nut, 86, a second guide groove, 87, a second guide block, 9 and a baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, a multi-slice cutter device of a ring die granulator comprises a ring die 1, a compression roller 2, a housing 3 and at least two cutters 4, wherein the compression roller 2 is arranged in the ring die 1, the ring die 1 and the cutters 4 are both arranged in the housing 3, the cutters 4 are arranged outside the ring die 1, the cutters 4 are arranged in a tangential manner with respect to the rotation direction of the ring die 1, at least two of the cutters 4 are sequentially arranged in a direction away from the ring die 1, the blade of the next cutter 4 is higher than the blade of the previous cutter 4, the cutters 4 are connected with the housing 3 in a sliding manner, the cutters 4 slide in a direction close to or away from the ring die 1, and when the ring die 1 rotates, the cutters 4 are fixedly arranged; in this embodiment, the cutter 4 closest to the ring die 1 is denoted as the first of the cutters 4.

Specifically, in the present embodiment, the number of the cutting blades 4 is two; the distance between the cutting edge of the first cutter 4 and the ring die 1 is 2mm-3 mm; a baffle plate 9 is fixedly arranged in the housing 3, and the baffle plate 9 is positioned between the ring die 1 and the first cutting knife 4.

Specifically, in the present embodiment, a first one of the cutting knives 4 is driven by a first driving mechanism 5 to slide in a direction approaching to or departing from the ring die 1, the first driving mechanism 5 includes a servo motor 51 and a first knife bar 52, the servo motor 51 of the present embodiment is controlled by a PLC system, one end of the first knife bar 52 is fixedly connected with the cutting knife 4, and the other end of the first knife bar 52 is in transmission connection with an output end of the servo motor 51 through a screw rod structure; the screw rod structure comprises a first screw rod 53 and a first guide rod 54, one end of the first guide rod 54 is fixedly connected with a first cutting knife 4, and the other end of the first guide rod 54 is slidably connected with a second cutting knife 4; first actuating mechanism 5 still includes reduction gear 55, sleeve seat 56 and first spacer 57 are all fixed to be set up on housing 3, servo motor 51 and reduction gear 55 are all fixed to be set up on sleeve seat 56, servo motor 51's output is connected with reduction gear 55's input, cutter seat 58 and first are passed through to the one end of first cutter arbor 52 cutter 4 fixed connection, the other end of first cutter arbor 52 slides in proper order and passes first spacer 57 and sleeve seat 56 to with first lead screw 53 threaded connection, first lead screw 53 and reduction gear 55's output fixed connection.

Specifically, in this embodiment, the second cutting knife 4 is driven by the second driving mechanism 6 to slide along a direction close to or away from the ring die 1, the second driving mechanism 6 includes a second connecting rod 61, a second spacer 62 and a hand wheel 63, the second spacer 62 is fixedly disposed on the housing 3, one end of the second connecting rod 61 slides through the second spacer 62 and is in threaded connection with the first guide rod 54, the other end of the second connecting rod 61 is fixedly connected with the hand wheel 63, the first guide rod 54, the second connecting rod 61 and the first cutting rod 52 are all disposed in parallel, the second cutting knife 4 is fixedly connected with the second connecting rod 61, and the second cutting knife 4 is slidably sleeved on the first cutting rod 52.

The working process of the multi-slice cutter device of the ring die granulator is as follows:

s1: the servo motor 51 works to drive the speed reducer 55 to output a certain rotating speed, the speed reducer 55 drives the first screw rod 53 to rotate, the first screw rod 53 drives the first cutter rod 52 to drive the first cutter 4 to linearly move under the limit of the first spacer 57 and the first guide rod 54, the forward and reverse rotation of the servo motor 51 realizes that the first cutter 4 approaches or leaves the ring die 1 to linearly move, and simultaneously drives the second cutter 4, the second connecting rod 61 and the hand wheel 63 to approach or leave the ring die 1 to move together; in the trial calibration process, when the first cutter 4 moves to contact with the baffle 9, the PLC system sets the first cutter to be 0;

s2: the first cutter 4 moves for a certain distance (such as 0.5 mm) every time the servo motor 51 is started, and the first cutter 4 is finally debugged to a proper position (such as 2mm-3mm away from the ring die) through the setting of a PLC system;

s3: the hand wheel 63 is rotated, the hand wheel 63 drives the second connecting rod 61 to rotate, and because the second connecting rod 61 is in threaded connection with the first guide rod 54, the second connecting rod 61 drives the second cutter 4 to move linearly under the limit of the first cutter rod 52 and the second spacer 62 by the second connecting rod 61 until a proper distance is adjusted between the two cutters 4;

s4: the ring die 1 and the compression roller 2 rotate relatively, and the compression roller 2 extrudes the material in the ring die 1 from the hole of the ring die 1; at the moment, the first cutter 4 cuts off the material extruded by the ring die 1 from the root, and the two cutters 4 enable the length of the granular material to be controllable and adjustable;

s5: in the production process, if the length of the granules is found to be improper, the positions of the two cutters 4 can be adjusted at any time through the PLC system and the hand wheel 63, so that the on-line regulation of the length of the granules is realized, and the machine does not need to be disassembled.

Example 2

As shown in fig. 3 and 4, in this embodiment, the difference from embodiment 1 is that the number of the cutting knives 4 is three, the third cutting knife 4 is driven by a third driving mechanism 7 to slide in a direction approaching to or away from the ring die 1, the third driving mechanism 7 includes a third pull rod 71 and a third adjusting plate 72, the third adjusting plate 72 is fixedly disposed on the second connecting rod 61, one end of the third pull rod 71 is fixedly connected to the third cutting knife 4, the other end of the third pull rod 71 slides through the third adjusting plate 72, a third locking member is disposed between the third pull rod 71 and the third adjusting plate 72, and the third cutting knife 4 is also slidably sleeved on the first knife bar 52; the third locking member comprises two third locking nuts 73, the third locking nuts 73 are in threaded connection with the third pull rod 71, and the two third locking nuts 73 are respectively located on two sides of the third adjusting plate 72.

The operation of the multi-slice cutter device of the ring die granulator of the present embodiment is different from that of embodiment 1 in that between S3 and S4 of embodiment 1, S3': after the third locking nut 73 is loosened, the third adjusting plate 72, the third pull rod 71 and the third cutter 4 are moved until the third cutter 4 is adjusted to a proper distance from the second cutter 4, and then the third locking nut 73 is locked.

Example 3

As shown in fig. 5 and 6, in this embodiment, the difference from embodiment 1 is that a second one of the cutting knives 4 is driven by a second driving structure 8 to slide in a direction approaching to or departing from the ring die 1, the second driving structure 8 includes a second pull rod 81, a second adjusting plate 82, a second guide rod 83 and a second wear-resistant sleeve 84, the second guide rod 83 and the second wear-resistant sleeve 84 are both fixedly disposed on the housing 3, one end of the second pull rod 81 is fixedly connected to the second one of the cutting knives 4, the other end of the second pull rod 81 slides through the second wear-resistant sleeve 84 and is fixedly connected to the second adjusting plate 82, the second adjusting plate 82 is slidably connected to the second guide rod 83, a second locking member is disposed between the second adjusting plate 82 and the second guide rod 83, a second guide groove 86 is disposed on the first connecting rod, a second guide block 87 is disposed on the second one of the cutting knives 4 and is engaged with the second guide groove 86, and the second pull rod 81, the first guide rod 54, the second guide rod 83, the second guide groove 86 and the first guide rod 52 are all disposed in parallel; the second locking member comprises two second locking nuts 85, the second locking nuts 85 are in threaded connection with the second guide rod 83, and the two second locking nuts 85 are respectively located on two sides of the second adjusting plate 82.

The operation of the multi-slice cutter device of the ring die granulator of the present embodiment is different from that of embodiment 1 in that, instead of S3: after the second locking nut 85 is loosened, the second adjusting plate 82, the second pull rod 81 and the second cutter 4 are moved until a proper distance is obtained between the second cutter 4 and the first cutter 4, and then the second locking nut 85 is locked.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a many sections cutters of ring mould granulator which characterized in that: including ring mould (1), compression roller (2), housing (3) and two at least cutters (4), compression roller (2) set up in ring mould (1), ring mould (1) and cutter (4) all set up in housing (3), cutter (4) set up the outside at ring mould (1), cutter (4) set up the tangent setting of direction of rotation of ring mould (1), at least two cutter (4) set gradually along the direction of keeping away from ring mould (1), and the latter the cutting edge of cutter (4) is higher than the former one the cutting edge of cutter (4), cutter (4) and housing (3) sliding connection, just cutter (4) slide along the direction of being close to or keeping away from ring mould (1), work as when ring mould (1) is rotatory, cutter (4) are fixed to be set up.

2. The multiple slice cutter device of a ring die granulator of claim 1 wherein: the cutter (4) closest to the ring die (1) is marked as a first cutter (4), the first cutter (4) is driven by a first driving mechanism (5) to slide along the direction close to or far away from the ring die (1), the first driving mechanism (5) comprises a servo motor (51) and a first cutter bar (52), one end of the first cutter bar (52) is fixedly connected with the cutter (4), and the other end of the first cutter bar (52) is in transmission connection with the output end of the servo motor (51) through a screw rod structure.

3. The multiple slice cutter device of a ring die granulator of claim 2 wherein: the screw rod structure comprises a first screw rod (53) and a first guide rod (54), one end of the first guide rod (54) is fixedly connected with a first cutter (4), and the other end of the first guide rod (54) is slidably connected with a second cutter (4); first actuating mechanism (5) still include reduction gear (55), sleeve seat (56) and first spacer (57) are all fixed to be set up on housing (3), servo motor (51) and reduction gear (55) are all fixed to be set up on sleeve seat (56), the output of servo motor (51) is connected with the input of reduction gear (55), the one end of first cutter arbor (52) is passed through cutter seat (58) and first cutter (4) fixed connection, the other end of first cutter arbor (52) slides in proper order and passes first spacer (57) and sleeve seat (56) to with first lead screw (53) threaded connection, the output fixed connection of first lead screw (53) and reduction gear (55).

4. The multiple slice cutter device of a ring die granulator of claim 3 wherein: the second cutter (4) is driven by a second driving mechanism (6) to slide along the direction close to or far away from the ring die (1), the second driving mechanism (6) comprises a second connecting rod (61), a second spacer bush (62) and a hand wheel (63), the second spacer bush (62) is fixedly arranged on the housing (3), one end of the second connecting rod (61) penetrates through the second spacer bush (62) in a sliding mode and is in threaded connection with the first guide rod (54), the other end of the second connecting rod (61) is fixedly connected with the hand wheel (63), the first guide rod (54), the second connecting rod (61) and the first cutter rod (52) are arranged in parallel, the second cutter (4) is fixedly connected with the second connecting rod (61), and the second cutter (4) is sleeved on the first cutter rod (52) in a sliding mode.

5. The multiple slice cutter assembly of a ring die pelletizer as set forth in claim 4, wherein: the third cutter (4) is driven by third actuating mechanism (7) and slides along the direction of being close to or keeping away from ring mould (1), third actuating mechanism (7) include third pull rod (71) and third regulating plate (72), third regulating plate (72) are fixed to be set up on second connecting rod (61), the one end and the third of third pull rod (71) cutter (4) fixed connection, the other end of third pull rod (71) slides and passes third regulating plate (72), be provided with the third locking piece between third pull rod (71) and third regulating plate (72), the third cutter (4) also slip the cover and establish on first cutter rod (52).

6. The multiple slice cutter device of a ring die granulator of claim 5 wherein: the third locking piece comprises two third locking nuts (73), the third locking nuts (73) are in threaded connection with the third pull rod (71), and the two third locking nuts (73) are respectively located on two sides of the third adjusting plate (72).

7. The multiple slice cutter device of a ring die granulator of claim 3 wherein: and secondly, the cutter (4) is driven by a second driving structure (8) to slide along the direction close to or far away from the ring die (1), the second driving structure (8) comprises a second pull rod (81), a second adjusting plate (82), a second guide rod (83) and a second wear-resistant sleeve (84), the second guide rod (83) and the second wear-resistant sleeve (84) are fixedly arranged on the housing (3), one end of the second pull rod (81) is fixedly connected with the second cutter (4), the other end of the second pull rod (81) slides to penetrate through the second wear-resistant sleeve (84) and is fixedly connected with the second adjusting plate (82), the second adjusting plate (82) is slidably connected with the second guide rod (83), a second locking piece is arranged between the second adjusting plate (82) and the second guide rod (83), a second guide groove (86) is formed in the first cutter (52), a second guide block (87) matched with the second guide groove (86) is arranged on the cutter (4), and the second guide rod (81), the second guide rod (54) and the second guide groove (83) are parallel to each other.

8. The multiple slice cutter device of a ring die granulator of claim 7 wherein: the second locking piece comprises two second locking nuts (85), the second locking nuts (85) are in threaded connection with the second guide rod (83), and the two second locking nuts (85) are respectively located on two sides of the second adjusting plate (82).

9. The multiple-slice cutter device of a ring die granulator according to claim 2 or 3, wherein: the distance between the cutting edge of the first cutter (4) and the ring die (1) is 2-3 mm; a baffle (9) is fixedly arranged in the housing (3), and the baffle (9) is positioned between the ring die (1) and the first cutter (4).

10. A multiple slice cutter assembly for a ring die granulator according to claim 1, 2 or 3 wherein: the number of the cutting knives (4) is two or three.