Oscillating granulator

By introducing a crank-rocker mechanism combining sector teeth and springs into the oscillating pellet mill, the problem of gear wear caused by inertial impact is solved, the equipment life is extended and energy consumption is reduced, and a more efficient pelleting process is achieved.

CN224057303UActive Publication Date: 2026-03-31HAINAN WANWEI PHARM CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

When the existing oscillating pellet mill drives the scraper cylinder to change its rotation direction, the gears and other transmission components are subjected to a large impact force due to inertia, which makes them prone to wear and damage, and also consumes a lot of energy.

Method used

The crank-rocker mechanism, which combines sector teeth and springs, utilizes the elastic potential energy stored and released by the springs when the rotation direction changes. This assists the rotation of the gears and the powder scraper, reduces inertial impact, and reduces the motor load by using the energy of the springs to assist the power.

Benefits of technology

It extends the service life of the equipment, reduces maintenance costs and energy consumption, reduces wear on components such as gears, and improves the stability and efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224057303U_ABST
    Figure CN224057303U_ABST
Patent Text Reader

Abstract

The utility model discloses an oscillating granulator which comprises a feed hopper, a granulation frame, a powder scraping cylinder, a gear, sector teeth, a crank rocker mechanism and a motor, the granulation frame and the powder scraping cylinder are arranged in the feed hopper, the powder scraping cylinder is located above the granulation frame and is connected with the gear, the gear is meshed with the sector teeth, and the crank rocker mechanism is connected with the motor. The fan-shaped tooth comprises a convex tooth part, a fan-shaped frame and springs, the convex tooth part is in sliding connection with the fan-shaped frame, the springs are arranged at the two ends of the convex tooth part, the springs are connected with the fan-shaped frame, and the fan-shaped frame is connected with the motor through a crank rocker mechanism. Damage of impact caused by inertia to parts such as gears is reduced, and compared with the mode that all power is directly provided by a motor, energy consumption can be reduced easily.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to granule manufacturing technical field, especially a swing type granulator. BACKGROUND

[0002] The swing type granulator is a kind of mechanical equipment specially used in pharmaceutical, food, chemical industry etc. It is extruded into granules with certain shape and size by specific mechanical structure, to meet the needs of subsequent processing or final product. Powder material is first added to the hopper, then reciprocating motion is carried out by scraper cylinder to apply pressure, so that the material passes through the hole on the granulation frame to form the required size of granules. The existing swing type granulator mainly relies on motor to drive the rotation of scraper cylinder, to realize the extrusion of medicine powder. Although this design can meet the basic granulation needs to some extent, when the motor drives the scraper cylinder to change the direction of rotation, due to inertia, the transmission components such as gear bear large impact force, which is easy to cause wear and even damage. SUMMARY

[0003] In view of the above prior art, the utility model provides a swing type granulator, to solve the above technical problems.

[0004] To achieve the above purpose, the technical scheme of the utility model embodiment is as follows:

[0005] A swing type granulator, comprising a hopper, a granulation frame, a scraper cylinder, a gear, a sector tooth, a crank rocker mechanism and a motor, the hopper is provided with the granulation frame and the scraper cylinder, the scraper cylinder is located above the granulation frame, the scraper cylinder is connected with the gear, the gear is engaged with the sector tooth, the sector tooth comprises a convex tooth part, a sector frame and a spring, the convex tooth part is slidably connected with the sector frame, both ends of the convex tooth part are provided with the spring, the spring is connected with the sector frame, the sector frame is connected with the motor through the crank rocker mechanism.

[0006] Further, the spring is a spring strip, the upper end of the spring strip is connected with the sector frame, the lower end of the spring strip is U-shaped, and the spring strip abuts against the end of the convex tooth part.

[0007] Further, the sector frame comprises a first arc-shaped strip, a second arc-shaped strip and a connecting strip, the connecting strip is V-shaped, the end of the connecting strip is connected with the second arc-shaped strip, the inner side of the connecting strip is connected with the first arc-shaped strip, the second arc-shaped strip is provided with a sliding rail, and the convex tooth part is provided with a sliding groove sliding along the sliding rail.

[0008] Further, the crank rocker mechanism comprises a first connecting rod connected with the output shaft of the motor and a second connecting rod, one end of the second connecting rod is connected with the first connecting rod, and the other end is connected with the first arc-shaped strip.

[0009] Further, the motor and the hopper are mounted on a support frame, the support frame comprises a bottom plate, support legs and a top plate, the support legs are fixed on the bottom plate, and the bottom plate is provided with the top plate.

[0010] Further, the support legs are provided with reinforcing ribs.

[0011] Further, the scraping cylinder comprises positioning plates and scraping rods, the positioning plates are located at two ends of the hopper, the positioning plates are connected with each other through the scraping rods, and the scraping rods are arranged at equal intervals.

[0012] Further, the side surface of the sliding rail is provided with a limiting ring, the side surface of the sliding groove is provided with a limiting groove, and the limiting ring is matched with the limiting groove.

[0013] The utility model discloses beneficial effects lie in: when the fan-shaped frame changes the rotating direction, the spring can compress the elastic potential energy, and releases the energy to help the acceleration gear and the scraping cylinder change the direction after the direction changes.This not only reduces the damage of impact caused by inertia to the gear and other components, prolongs the service life of the equipment, and also reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view of a swing type granulator in the embodiment of the application;

[0015] Figure 2 It is the sectional structure schematic view of a swing type granulator in the embodiment of the application;

[0016] Figure 3 It is the three-dimensional structure schematic view of a swing type granulator in the embodiment of the application; Figure 2

[0017] BRIEF DESCRIPTION OF DRAWINGS

[0018] 1, feed hopper;2, granulation frame;3, scraping cylinder;4, gear;5, fan-shaped tooth;6, crank rocker mechanism;7, motor;8, convex tooth part;9, fan-shaped frame;11, spring strip;12, first arc-shaped strip;13, second arc-shaped strip;14, connecting strip;15, sliding rail;16, sliding groove;17, first connecting rod;18, second connecting rod;19, support frame;20, bottom plate;21, support leg;22, top plate;23, reinforcing rib;24, positioning plate;25, scraping rod;26, limiting ring;27, limiting groove.​ DETAILED DESCRIPTION

[0019] The technical solutions of the present application are further described in detail below in conjunction with the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0020] It should be further noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "inner", "outer", "left", "right", and similar expressions used herein are only for the purpose of description and are not intended to be the only implementation.

[0021] Example 1

[0022] Please refer to the accompanying drawings Figures 1-3The application provides a swing granulator, which comprises a feeding hopper 1, a granulating frame 2, a scraping cylinder 3, a gear 4, a sector tooth 5, a crank rocker mechanism 6 and a motor 7. The granulating frame 2 and the scraping cylinder are arranged in the feeding hopper 1. The scraping cylinder 3 is arranged above the granulating frame 2. The scraping cylinder 3 is connected with the gear 4. The gear 4 is engaged with the sector tooth 5. The sector tooth 5 comprises a convex tooth part 8, a sector frame 9 and a spring. The convex tooth part 8 is slidably connected with the sector frame 9. The both ends of the convex tooth part 8 are provided with the spring. The spring is connected with the sector frame 9. The sector frame 9 is connected with the motor 7 through the crank rocker mechanism 6. The medicine powder is put into the feeding hopper 1. The granulating frame 2 is provided with a plurality of through holes. When the scraping cylinder rotates, the medicine powder is extruded, so that the medicine powder is extruded from the through holes of the granulating frame 2, thereby forming the granules. The scraping cylinder 3 is connected with the gear 4. The gear 4 is connected with the sector tooth 5. When the motor 7 works, the sector tooth 5 is driven to reciprocate by the crank rocker mechanism 6, thereby driving the scraping cylinder 3 to reverse. When the motor 7 works, it rotates in one direction. After being driven by the crank rocker mechanism 6, the scraping cylinder 3 is driven to reciprocate. The convex tooth part 8 of the sector tooth 5 is engaged with the gear 4. When the sector frame 9 swings, the spring is used to drive the convex tooth part 8 to rotate, thereby driving the gear 4 to rotate. When the sector frame 9 changes the rotating direction, the gear 4 and the scraping cylinder 3 continue to rotate under the inertia. At this time, the spring is compressed to store the elastic potential energy. Not only the scraping cylinder 3 can be rapidly accelerated by the spring releasing the elastic potential energy when the gear 4 and the scraping cylinder 3 change the rotating direction, but also the gear 4 can be prevented from being damaged when the direction is changed by the spring storing the elastic potential energy.

[0023] Specifically, the spring is a spring strip 11. The upper end of the spring strip 11 is connected with the sector frame 9. The lower end of the spring strip 11 is in U shape, and the spring strip 11 abuts against the end of the convex tooth part 8. The upper end of the spring strip 11 is fixed. When the convex tooth part 8 slides, the spring strip 11 is deformed. The lower end of the spring strip 11 is in U shape and abuts against the both ends of the convex tooth part 8, so that the spring strip 11 can be prevented from deviating from the preset position, thereby improving the stability.

[0024] Specifically, the fan-shaped frame 9 comprises a first arc-shaped strip 12, a second arc-shaped strip 13 and a connecting strip 14, the connecting strip 14 is V-shaped, the end of the connecting strip 14 is connected with the second arc-shaped strip 13, the inner side of the connecting strip 14 is connected with the first arc-shaped strip 12, the second arc-shaped strip 13 is provided with a sliding rail 15, and the convex tooth part 8 is provided with a sliding groove 16 sliding along the sliding rail 15. The upper end of the connecting strip 14 is rotationally connected with the feeding hopper 1, the convex tooth part 8 can slide reciprocatingly along the sliding rail 15, the spring sheet is arranged at the end of the convex tooth to fix the convex tooth part 8 at the middle position of the sliding rail 15. The first arc-shaped strip 12 and the second arc-shaped strip 13 are connected with the connecting strip 14 to form a stable fan-shaped structure. The U-shaped structure at the lower end of the spring strip 11 is inserted between the two sides of the sliding rail 15 to prevent the spring strip 11 from being separated.

[0025] Specifically, the crank rocker mechanism 6 comprises a first connecting rod 17 and a second connecting rod 18, the first connecting rod 17 is connected with the output shaft of the motor 7, one end of the second connecting rod 18 is connected with the first connecting rod 17, and the other end is connected with the first arc-shaped strip 12. When the motor 7 rotates, the first connecting rod 17 rotates in a circle to drive the lower end of the second connecting rod 18 to rotate in a circle, and the upper end of the second connecting rod 18 is rotationally connected with the first arc-shaped strip 12 to drive the first arc-shaped strip 12 to reciprocatingly swing. When the convex tooth part 8 reciprocatingly swings, the gear 4 is driven to rotate forward for several turns and then reversely rotate for several turns.

[0026] Optionally, the motor 7 and the hopper are mounted on a support frame 19, the support frame 19 comprises a bottom plate 20, support legs 21 and a top plate 22, the support legs 21 are fixed on the bottom plate 20, and the bottom plate 20 is provided with the top plate 22. The motor 7 and the hopper are mounted on the top plate 22, the top plate 22 is connected with the bottom plate 20 through the support legs 21, so that a stable support structure is formed to fix the hopper and the motor 7 firmly.

[0027] Optionally, the support legs 21 are provided with reinforcing ribs 23. The support legs 21 are connected through the reinforcing ribs 23 to improve the stability of the support legs 21.

[0028] Embodiment 2

[0029] Please refer to the accompanying drawings Figures 1-3The embodiment is different from the embodiment 1 in that the powder scraping cylinder 3 comprises positioning plates 24 and powder scraping rods 25, the positioning plates 24 are located at two ends of the hopper, the positioning plates 24 are connected with each other through the powder scraping rods 25, and the powder scraping rods 25 are arranged at equal intervals. The positioning plates 24 are connected with the gear 4, and the positioning plates 24 are driven to rotate when the gear 4 rotates. The powder scraping rods 25 are arranged on the positioning plates 24, and the powder scraping rods 25 are driven to reciprocate when the positioning plates 24 reciprocate, the powder scraping rods 25 are used to extrude the medicine powder on the granulating frame 2, the extruded medicine powder falls out through the through holes of the granulating frame 2, and thus the granules are formed.

[0030] Specifically, the side surface of the sliding rail 15 is provided with a limiting ring 26, the side surface of the sliding groove 16 is provided with a limiting groove 27, and the limiting ring 26 is matched with the limiting groove 27. The limiting ring 26 is embedded in the limiting groove 27, so that the toothed portion 8 can be prevented from being separated from the guide rail. The gear 4 is located at the inner side of the toothed portion 8, and the tooth also plays a role in preventing the toothed portion 8 from being separated, thereby ensuring that the gear 4 and the toothed portion 8 are stably meshed.

[0031] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, and all the changes or replacements should be covered in the protection scope of the present application. The protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A swing granulator characterised in that, The utility model relates to a granulator, which comprises a feeding hopper (1), a granulating frame (2), a scraping cylinder (3), a gear (4), a sector tooth (5), a crank rocker mechanism (6) and a motor (7), the feeding hopper (1) is internally provided with the granulating frame (2) and the scraping cylinder (3), the scraping cylinder (3) is located above the granulating frame (2), the scraping cylinder (3) is connected with the gear (4), the gear (4) is engaged with the sector tooth (5), the sector tooth (5) comprises a convex tooth part (8), a sector frame (9) and a spring, the convex tooth part (8) is slidably connected with the sector frame (9), both ends of the convex tooth part (8) are provided with the spring, the spring is connected with the sector frame (9), and the sector frame (9) is connected with the motor (7) through the crank rocker mechanism (6).

2. A swing granulator according to claim 1, characterised in that The spring is a spring strip (11), the upper end of the spring strip (11) is connected with the sector frame (9), the lower end of the spring strip (11) is U-shaped, and the spring strip (11) abuts against the end of the convex tooth part (8).

3. A swing granulator according to claim 1 or 2, characterised in that, The sector frame (9) comprises a first arc-shaped strip (12), a second arc-shaped strip (13) and a connecting strip (14), the connecting strip (14) is V-shaped, the end of the connecting strip (14) is connected with the second arc-shaped strip (13), the inner side of the connecting strip (14) is connected with the first arc-shaped strip (12), the second arc-shaped strip (13) is provided with a sliding rail (15), and the convex tooth part (8) is provided with a sliding groove (16) which slides along the sliding rail (15).

4. A swing pan particle machine according to claim 3, wherein, The crank rocker mechanism (6) comprises a first connecting rod (17) and a second connecting rod (18), the first connecting rod (17) is connected with the output shaft of the motor (7), one end of the second connecting rod (18) is connected with the first connecting rod (17), and the other end is connected with the first arc-shaped strip (12).

5. A swing granulator as claimed in claim 1, wherein, The motor (7) and the feeding hopper are mounted on a support frame (19), the support frame (19) comprises a bottom plate (20), a supporting leg (21) and a top plate (22), the supporting leg (21) is fixed on the bottom plate (20), and the bottom plate (20) is provided with the top plate (22).

6. A swing pan particle machine according to claim 5, wherein, The supporting leg (21) is provided with a reinforcing rib (23).

7. A swing granulator as claimed in claim 1, wherein, The scraping cylinder (3) comprises a positioning plate (24) and a scraping rod (25), the positioning plates (24) are located at both ends of the feeding hopper, the positioning plates (24) are connected with each other through the scraping rods (25), and the scraping rods (25) are arranged at equal intervals.

8. A swing granulator according to claim 3, wherein The side surface of the sliding rail (15) is provided with a limiting ring (26), the side surface of the sliding groove (16) is provided with a limiting groove (27), and the limiting ring (26) is matched with the limiting groove (27).