Crushing device of dry type granulator

By introducing a filter plate and a vibrating guide structure into the dry pellet mill, the problem of large pieces of crushed material being mixed into the pelletizing process has been solved, achieving automatic filtration and collection, and improving processing efficiency and flexibility.

CN223587294UActive Publication Date: 2025-11-25HUTCHISON MEDIPHARMA SUZHOU CO LTD
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Patent Information

Application Number
CN202422823050.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-11-25
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The existing dry pellet mill's crushing device is unable to effectively filter and automatically discharge unqualified large pieces of compressed pellets after crushing, causing them to mix into the subsequent pelletizing process and affecting the processing quality.

Method used

A crushing device was designed, comprising a filter plate, a vibrating vertical missile support assembly, a linkage inclined adjustment assembly, and a receiving assembly. By vibrating and tilting the filter plate, it automatically filters and discharges unqualified large pieces of compressed tablets, which are then collected by the receiving assembly, thus avoiding manual screening.

Benefits of technology

It enables automatic filtering and collection of unqualified large fragments after crushing, avoiding impact on subsequent pelletizing processes, improving processing efficiency and operational flexibility, and reducing manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a crushing device of a dry type granulator, which comprises a machine body, a cutter bar rotatably mounted in the machine body, a plurality of blades mounted on the outer side of the cutter bar and a rotating motor mounted on the rear side of the machine body, an output shaft of the rotating motor is fixedly connected with the rear end of the cutter bar, and the inner walls of two sides of the machine body are fixedly connected with material guide tables with inclined tops. And a plurality of crushing grooves matched with the blades are formed in the sides, close to each other, of the two material guiding tables. According to the utility model, a series of structures are arranged, so that material tablets can be crushed, the crushed tablets can be vibrated and filtered after being crushed, and unqualified large crushed tablets are automatically discharged and collected, so that the phenomenon that the subsequent granulating process is influenced due to excessive mixing of the crushed unqualified large crushed tablets is avoided, a worker does not need to separately screen the crushed tablets, the use is convenient, and the production efficiency is improved. The use effect is improved, the vibration guide and drainage rate can be flexibly or balanced adjusted according to the filtering guide and drainage requirements, the use flexibility and selectivity are improved, and the effect of further facilitating personnel to better adjust and use is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dry granulator technical field, concretely is a kind of dry granulator's crushing device. BACKGROUND

[0002] At present, in pharmaceutical industry, most raw materials are in powder state, and the powder has the characteristics of different particle size, uneven density, poor fluidity and easy stratification;These raw materials must be processed by granulation process, so that they can be used for tabletting, capsule filling or other pharmaceutical processing procedures;Dry granulation is a kind of granulation process by directly compressing raw material powder through mechanical extrusion, and then crushing and granulating;In addition to the components of finished product, dry granulation process does not add any other chemical substances, without adding binder or liquid, the dry granulation machine is widely used in the processing of various active pharmaceutical raw materials and one or more excipients, and is generally composed of feeding mechanism, pressure roller extrusion mechanism, crushing mechanism and granulating mechanism, etc.

[0003] For this, according to the search report of novelty search agency, the publication number CN213434843U discloses a kind of dry granulator's crushing device, it includes machine body, is set in the material guide platform and cutter assembly of machine body side wall, the cutter assembly includes cutter bar, fixed ring and blade, each fixed ring is provided with multiple blades and is integrally formed, the inner surface of fixed ring is provided with sliding block, cutter bar is cylindrical, the surface of cutter bar is provided with sliding groove along radial direction, sliding block and sliding groove are slidably connected, the end of sliding groove close to machine body is closed, the sliding block of fixed ring close to machine body end is in contact with the end of sliding groove, the end of cutter bar away from machine body is provided with limiting nut for limiting fixed ring from cutter bar;It has the technical effect of improving the utilization rate of undamaged blade.

[0004] The above-mentioned dry granulator's crushing device disclosed by the technology is driven by motor to rotate multiple blades to crush the material, but there are still the following deficiencies in use: 1, there are inevitably some unqualified large pieces of crushed tablets in the crushed tablets, and there is no structure for filtering and automatically discharging the large pieces of crushed tablets after crushing, which affects the subsequent granulating process due to the mixing of too many unqualified large pieces of crushed tablets after crushing;In view of this phenomenon, the present application puts forward a kind of dry granulator's crushing device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of dry granulator's crushing device to solve the problems raised in the above background.

[0006] In order to achieve the above object, the utility model provides following technical scheme: a kind of crushing device of dry granulator, including body, knife bar rotationally installed in body, multiple blades installed in the outside of knife bar and rotary motor installed in the rear side of body and output shaft is fixedly connected with the rear end of knife bar, the inner wall of both sides of the body is fixedly connected with the inclined top of material guide table, the side close to two material guide tables is equipped with multiple crushing grooves compatible with blade, the right inner wall of the body is equipped with guide hole, and the inner wall between the front and back of guide hole is rotationally installed with the filter plate of inclined arrangement, and the filter plate is below the blade;Rotary motor is used to drive multiple blades to rotate to material compression tablet crushing by knife bar, and filter plate is used to filter out small particle compression tablet fragments, and large compression tablet fragments are filtered and intercepted in upper portion;

[0007] The left inner wall of the body is embedded and fixed with the oblique hard vibration mechanism articulated with the left side of the bottom of the filter plate, and the right side of the body is provided with the material receiving assembly below the guide hole.

[0008] The oblique hard vibration mechanism includes a fixed box embedded and fixed on the left inner wall of the body, the left side of the fixed box is open, an electric push rod is fixedly installed on the bottom inner wall of the fixed box, a vibration vertical missile support assembly is fixedly connected between the extension end of the electric push rod and the right inner wall of the fixed box, a linkage oblique adjustment assembly is fixedly connected to the top of the vibration vertical missile support assembly, and the top end of the linkage oblique adjustment assembly extends above the fixed box and is articulated with the bottom left side of the filter plate.

[0009] Preferably, the vibration vertical missile support assembly includes a rectangular sleeve fixedly connected to the extension end of the electric push rod, the top of the rectangular sleeve is open, a rectangular block is slidably sleeved in the rectangular sleeve, a spring is fixedly connected between the bottom of the rectangular block and the bottom inner wall of the rectangular sleeve, a vibration motor is fixedly connected to the top left side of the rectangular block, a T-shaped guide rail is fixedly connected to the right inner wall of the fixed box, a sliding block is slidably installed on the T-shaped guide rail, and the left side of the sliding block is fixedly connected to the right side of the rectangular sleeve.

[0010] Preferably, the linkage oblique adjustment assembly includes a vertical plate fixedly connected to the top right side of the rectangular block, the top of the vertical plate is slidably extended above the fixed box, and two inclined links are articulated between the top right side of the vertical plate and the bottom left side of the filter plate.

[0011] Preferably, the material receiving assembly comprises a supporting sleeve fixedly connected to the right side of the body, the top and left side of the supporting sleeve are provided with openings, a material receiving box with an open top is movably clamped in the supporting sleeve, the material receiving box is located below the guide hole, and two U-shaped handles are fixedly connected to the right side of the material receiving box.

[0012] Preferably, the filter plate is provided with an arc-shaped structure on both sides, a supporting shaft is fixedly connected between the inner walls of the front and rear sides of the guide hole, a circular perforation is formed in the front right side of the filter plate, two bearings are fixedly sleeved in the circular perforation, and the inner ring of the bearing is fixedly sleeved with the outer side of the supporting shaft.

[0013] Preferably, a flexible shielding rubber is fixedly connected between the top left side of the filter plate and the left inner wall of the body.

[0014] Preferably, an avoiding groove is formed in the top inner wall of the fixing box, and the avoiding groove is located above the vibration motor and is matched with the vibration motor.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The body, the blade, the blade rod, the motor and the material guiding table are arranged, so that the material is pressed and broken.

[0017] 2. The body, the filter plate, the guide hole, the vibration vertical guide missile supporting assembly, the linkage inclined adjusting assembly and the material receiving assembly are matched, so that the unqualified large tablet fragments are automatically discharged and collected after being broken and filtered, the phenomenon that the unqualified large tablet fragments are mixed too much to affect the subsequent whole grain process after being broken is avoided, personnel do not need to separately screen, use is facilitated, use effect is improved, the vibration guide speed is flexibly or balanced adjusted according to the filtering guide requirement, use flexibility and selectivity are improved, and the effect that personnel are further facilitated to better adjust and use is achieved.

[0018] 3. The vibration vertical guide missile supporting assembly, the linkage inclined adjusting assembly, the filter plate and the electric push rod are matched, so that the vibration guide inclination of the filter plate can be flexibly adjusted, different inclinations can have different guide speeds, the vibration guide speed can be flexibly or balanced adjusted according to the filtering guide requirement, use flexibility and selectivity are improved, and the effect that personnel are further facilitated to better adjust and use is achieved.

[0019] The utility model discloses a series of structures are arranged, can be broken to the material tablet and carry out vibration filtering after breaking, and the unqualified large tablet fragments are automatically discharged and collected, the phenomenon that the unqualified large tablet fragments are mixed too much to affect the subsequent whole grain process after being broken is avoided, personnel do not need to separately screen, use is facilitated, use effect is improved, the vibration guide speed is flexibly or balanced adjusted according to the filtering guide requirement, use flexibility and selectivity are improved, and the effect that personnel are further facilitated to better adjust and use is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A three-dimensional structure schematic diagram of a crushing device of a dry granulator is provided in the utility model;

[0021] Figure 2 A main view cross-section structure schematic diagram of a crushing device of a dry granulator is provided in the utility model;

[0022] Figure 3 A Figure 2 A portion of the enlarged structure schematic diagram in the utility model.

[0023] In the figure: 1, machine body; 101, blade; 102, material guide table; 2, guide hole; 3, filter plate; 4, flexible shielding rubber; 5, material receiving box; 6, fixed box; 7, rectangular sleeve; 8, rectangular block; 9, spring; 10, electric push rod; 11, vibration motor; 12, vertical plate; 13, connecting rod; 14, T-shaped guide rail; 15, sliding block; 16, support sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1 to 3 shown, the crushing device of the dry granulator provided in the embodiment comprises a machine body 1, a cutter bar rotatably installed in the machine body 1, a plurality of blades 101 installed on the outer side of the cutter bar, and a rotating motor installed on the rear side of the machine body 1 and fixedly connected with the rear end of the cutter bar, the inner walls on both sides of the machine body 1 are fixedly connected with material guide tables 102 with inclined top surfaces, a plurality of crushing grooves matched with the blades 101 are formed on the side close to the two material guide tables 102, a guide hole 2 is formed on the right inner wall of the machine body 1, an inclined filter plate 3 is rotatably installed between the front and rear inner walls of the guide hole 2, the two sides of the filter plate 3 are provided in arc-shaped structures, a support shaft is fixedly connected between the front and rear inner walls of the guide hole 2, a circular perforation is formed on the right side of the front of the filter plate 3, two bearings are fixedly sleeved in the circular perforation, the inner ring of the bearing is fixedly sleeved with the outer side of the support shaft, thereby achieving the effect of rotatably installing the filter plate 3, a flexible shielding rubber 4 is fixedly connected between the left side of the top of the filter plate 3 and the left inner wall of the machine body 1, thereby achieving the effect of shielding the left side of the filter plate 3, and the filter plate 3 is located below the blades 101; the rotating motor is arranged to drive the plurality of blades 101 to rotate to crush the material tablets, the filter plate 3 is arranged to filter out the small particle tablets crushed and meet the requirements and intercept the large tablet pieces on the upper part;

[0026] The left inner wall of the body 1 is fixedly embedded with a slanting adjustment hard shock mechanism hinged to the left bottom of the filter plate 3, and the right side of the body 1 is provided with a material receiving assembly below the guide hole 2; the slanting adjustment hard shock mechanism comprises a fixed box 6 fixedly embedded on the left inner wall of the body 1, the left side of the fixed box 6 is open, an electric push rod 10 is fixedly installed on the bottom inner wall of the fixed box 6, a shock vertical guide missile support assembly is fixedly connected between the extending end of the electric push rod 10 and the right inner wall of the fixed box 6, a linkage slanting adjustment assembly is fixedly connected to the top of the shock vertical guide missile support assembly, and the top end of the linkage slanting adjustment assembly extends above the fixed box 6 and is hinged to the bottom left side of the filter plate 3; the shock vertical guide missile support assembly is used to drive the filter plate 3 to rotate up and down to adjust the filter slope through the linkage slanting adjustment assembly when the electric push rod 10 is started, and is used to generate a shock and transmit the shock force to the filter plate 3 through the linkage slanting adjustment assembly, so as to realize the shock guide of the filtered large tablet fragments to the right through the vibration and inclination of the filter plate 3, and the material receiving assembly is used to collect the large tablet fragments guided and moved out by the shock.

[0027] Specifically, the shock vertical guide missile support assembly comprises a rectangular sleeve 7 fixedly connected to the extending end of the electric push rod 10, the top of the rectangular sleeve 7 is open, a rectangular block 8 is slidably sleeved in the rectangular sleeve 7, a spring 9 is fixedly connected between the bottom of the rectangular block 8 and the bottom inner wall of the rectangular sleeve 7, a shock motor 11 is fixedly connected to the top left side of the rectangular block 8, a T-shaped guide rail 14 is fixedly connected to the right inner wall of the fixed box 6, and a sliding block 15 is slidably installed on the T-shaped guide rail 14, wherein the right side of the sliding block 15 is provided with a T-shaped sliding groove with the top and bottom being open, the T-shaped sliding groove is slidably connected with the T-shaped guide rail 14, and the sliding block 15 is fixedly connected with the right side of the rectangular sleeve 7, an avoiding groove is formed in the top inner wall of the fixed box 6, the avoiding groove is above the shock motor 11 and is matched with the shock motor 11, and the avoiding groove has the effect of avoiding and preventing the shock motor 11 from colliding; the rectangular sleeve 7, the rectangular block 8, the spring 9, the shock motor 11, the sliding block 15 and the T-shaped guide rail 14 are matched, the electric push rod 10 drives the rectangular sleeve 7 to ascend and descend, the rectangular sleeve 7 drives the rectangular block 8 to ascend and descend through the spring 9, the shock motor 11 drives the rectangular block 8 to vibrate when it is turned on, so that the spring 9 is cyclically compressed and released, and the spring 9 elastically supports the rectangular block 8, so that the vibration of the rectangular block 8 is not affected and the hard shock force transmitted downward to the electric push rod 10 is reduced.

[0028] Further, the linkage inclined adjusting assembly comprises a vertical plate 12 fixedly connected to the right side of the top of the rectangular block 8, the top of the vertical plate 12 is slidably arranged out of the top of the fixed box 6, wherein a rectangular guide hole is formed in the inner wall of the top of the fixed box 6 and slidably sleeved with the outer side of the vertical plate 12, thereby guiding the vertical plate 12 to pass through and vertically slide, two inclined connecting rods 13 are hingedly connected between the right side of the top of the vertical plate 12 and the left side of the bottom of the filter plate 3; the vertical plate 12 and the connecting rod 13 are arranged in cooperation, the vertical plate 12 is lifted when the rectangular block 8 is lifted, the two connecting rods 13 are driven to rotate upward and press the filter plate 3, under the pressing force, the filter plate 3 is rotated upward to increase the inclination, and when the vertical plate 12 is lowered, the filter plate 3 is driven to rotate downward through the two connecting rods 13 to reduce the inclination, different inclinations can have different guide speeds, the vibration guide speed can be flexibly or balanced adjusted according to the filtering and guiding requirements, the use flexibility and selectivity are improved, and the personnel can be further conveniently adjusted and used; in addition, when the rectangular block 8 vibrates, the vibration force is transmitted to the filter plate 3 through the vertical plate 12 and the connecting rod 13 in sequence, so that the filter plate 3 vibrates, and the large tablet fragments are inclined outward for vibration guiding.

[0029] Further, the receiving assembly comprises a support sleeve 16 fixedly connected to the right side of the machine body 1, the top and the left side of the support sleeve 16 are both open, an open-top receiving box 5 is movably clamped in the support sleeve 16, the receiving box 5 is located below the guide hole 2, and two U-shaped handles are fixedly connected to the right side of the receiving box 5; the support sleeve 16, the receiving box 5 and the U-shaped handle are arranged in cooperation, the large tablet fragments vibrated and guided out are collected by the receiving box 5, the personnel can take down the receiving box 5 to pour the collected large tablet fragments into the machine body 1 for crushing again, the large tablet fragments are filtered and automatically guided, and after being collected, the large tablet fragments can be poured into the machine body 1 for crushing again, thereby reducing the phenomenon that too many unqualified large tablet fragments after crushing affect the subsequent granulating process.

[0030] The use method of the embodiment is: the rotary motor drives the plurality of blades 101 to rotate through the cutter bar, the entering material is pressed and broken, the broken pressed tablet pieces fall to the top of the filter plate 3, the vibration motor 11 is started to drive the rectangular block 8 to vibrate, the rectangular block 8 cyclically compresses and releases the spring 9, the spring 9 is supported in an elastic manner, the vibration of the rectangular block 8 is not affected, and the hard vibration force transmitted to the electric push rod 10 downward is reduced, when the rectangular block 8 vibrates, the vibration force is sequentially transmitted to the filter plate 3 through the vertical plate 12 and the connecting rod 13, so that the filter plate 3 vibrates, the filter plate 3 vibrates to filter the broken pressed tablet pieces, the small broken pressed tablet pieces are filtered out downward, and the large broken pressed tablet pieces are filtered and intercepted on the upper portion of the filter plate 3, at this time, under the action of the inclined arrangement and vibration of the filter plate 3, the filtered large broken pressed tablet pieces are vibrated and guided out to the right through the guide hole 2, the large broken pressed tablet pieces vibrated and guided out are collected in the receiving box 5, subsequent personnel directly take down the receiving box 5 to pour the collected large broken pressed tablet pieces into the machine body 1 to break again, so that the broken pressed tablet pieces can be vibrated and filtered, and the unqualified large broken pressed tablet pieces can be automatically guided out and collected, the personnel can conveniently break again, the phenomenon that the unqualified large broken pressed tablet pieces are mixed too much to affect the subsequent whole grain process is avoided, the personnel does not need to separately screen, use is convenient, and use effect is improved.

[0031] When it is required to adjust the guide rate or balance according to the filtering and guiding requirement, the electric push rod 10 is forwardly started to drive the rectangular sleeve 7 to move upward, the rectangular sleeve 7 drives the rectangular block 8 to move upward through the spring 9, the rectangular sleeve 7 drives the sliding block 15 to vertically slide on the T-shaped guide rail 14, the rectangular block 8 drives the vertical plate 12 to rise, the vertical plate 12 drives the two connecting rods 13 to rotate and press the filter plate 3 upward, under the pressing force, the filter plate 3 rotates upward to increase the inclination, and the guide rate is improved by increasing the inclination, when the rate is reduced, the electric push rod 10 is reversely started, the movement direction of the electric push rod 10 is completely opposite to that of the above-mentioned forward starting, at this time, the vertical plate 12 changes to move downward and drives the filter plate 3 to rotate downward through the two connecting rods 13 to reduce the inclination, different inclinations can have different guide rates, the vibration guide rate can be flexibly or balanced according to the filtering and guiding requirement, use flexibility and selectivity are improved, and the personnel can be further conveniently adjusted and used.

[0032] Finally, it should be noted that: the above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A crushing device of a dry granulator, comprising a machine body (1), a cutter bar rotatably installed in the machine body (1), a plurality of cutter blades (101) installed on the outer side of the cutter bar, and a rotating motor installed on the rear side of the machine body (1) and having an output shaft fixedly connected with the rear end of the cutter bar, wherein the inner walls of the two sides of the machine body (1) are both fixedly connected with a guide table (102) having an inclined top, and the side close to the two guide tables (102) is provided with a plurality of crushing grooves matched with the cutter blades (101), characterized in that: The right inner wall of the machine body (1) is provided with a guide hole (2), and the front and rear inner walls of the guide hole (2) are rotatably provided with an inclined filter plate (3) below the blade (101). ​ The left inner wall of the machine body (1) is fixedly provided with an inclined hard vibration mechanism which is hingedly connected to the left side of the bottom of the filter plate (3), and the right side of the machine body (1) is provided with a material receiving assembly below the guide hole (2). The inclined hard vibration mechanism comprises a fixed box (6) fixedly arranged on the left inner wall of the machine body (1), the left side of the fixed box (6) is open, the bottom inner wall of the fixed box (6) is fixedly provided with an electric push rod (10), the extending end of the electric push rod (10) is fixedly connected with the right inner wall of the fixed box (6), a vibration vertical guide spring assembly is fixedly connected between the extending end of the electric push rod (10) and the right inner wall of the fixed box (6), a linkage inclined adjusting assembly is fixedly connected to the top of the vibration vertical guide spring assembly, and the top end of the linkage inclined adjusting assembly extends above the fixed box (6) and is hingedly connected to the left side of the bottom of the filter plate (3).

2. A crushing device for a dry granulator according to claim 1, characterized in that: The vibration vertical guide spring assembly comprises a rectangular sleeve (7) fixedly connected to the extending end of the electric push rod (10), the top of the rectangular sleeve (7) is open, a rectangular block (8) is slidably arranged in the rectangular sleeve (7), the bottom of the rectangular block (8) is fixedly connected with the bottom inner wall of the rectangular sleeve (7) through a spring (9), the left side of the top of the rectangular block (8) is fixedly connected with a vibration motor (11), a T-shaped guide rail (14) is fixedly connected to the right inner wall of the fixed box (6), a sliding block (15) is slidably arranged on the T-shaped guide rail (14), and the left side of the sliding block (15) is fixedly connected with the right side of the rectangular sleeve (7).

3. A crushing device for a dry granulator according to claim 2, characterized in that: The linkage inclined adjusting assembly comprises a vertical plate (12) fixedly connected to the right side of the top of the rectangular block (8), the top of the vertical plate (12) extends out of the fixed box (6), and two inclined connecting rods (13) are hingedly connected between the right side top of the vertical plate (12) and the left side of the bottom of the filter plate (3).

4. A crushing device for a dry granulator according to claim 1, characterized in that: The material receiving assembly comprises a supporting sleeve (16) fixedly connected to the right side of the machine body (1), the top and left side of the supporting sleeve (16) are open, a material receiving box (5) with an open top is movably arranged in the supporting sleeve (16), the material receiving box (5) is below the guide hole (2), and two U-shaped handles are fixedly connected to the right side of the material receiving box (5).

5. A crushing device for a dry granulator according to claim 1, characterized in that: The left and right sides of the filter plate (3) are provided with arc structures, support shafts are fixedly connected between the front and rear inner walls of the guide hole (2), a circular hole is formed in the front right side of the filter plate (3), two bearings are fixedly arranged in the circular hole, and the inner ring of the bearing is fixedly sleeved with the outer side of the support shaft.

6. A crushing device for a dry granulator according to claim 1, characterized in that: The left side of the top of the filter plate (3) is fixedly connected with the left inner wall of the machine body (1) through a flexible shielding rubber (4).

7. A crushing device for a dry granulator according to claim 2, characterized in that: An avoiding groove is formed in the top inner wall of the fixed box (6), and the avoiding groove is above the vibration motor (11) and matched with the vibration motor (11). The left side of the top of the filter plate (3) is fixedly connected with the left inner wall of the machine body (1) through a flexible shielding rubber (4).

Citation Information

Patent Citations

  • Crushing device of dry granulator

    CN213434843U