Dry-wet granulator capable of accurately controlling particle size
By designing a wet and dry whole pelletizer with precise particle size control, including an adjustable screen structure and agitation pretreatment function, the existing whole pelletizer needs to frequently replace screens and cannot pretreat raw materials, achieving an efficient and convenient whole pellet processing process.
Patent Information
- Application Number
- CN202421935791.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-09
AI Technical Summary
The existing whole pelletizer needs to frequently replace the screen to meet the needs of whole pellets of different specifications, and the raw materials cannot be pretreated, which increases the workload of the operator.
A wet and dry whole pellet machine with precise particle size control is designed, including a mixing box and a screen barrel. The mixing box is equipped with a mixing rod and scraper plate for stirring and pretreatment of raw materials. The screen barrel is equipped with an adjustable screen structure. By rotating the adjusting cylinder and rotary handle, the screen hole diameter is quickly adjusted to meet the needs of whole pellets of different specifications.
It realizes rapid adjustment of screens according to needs, simplifies the operation process of the whole pellet machine, improves the mixing uniformity of raw materials and the quality of finished pellets, and reduces the workload of operators.
Smart Images

Figure CN222889695U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of granulating machines, in particular to a dry and wet granulating machine with accurately controlled particle size. Background Art
[0002] The granulator has fast granulation and good effect. The filter screen with special holes is designed for careful screening. The friction filter rod can break and filter the solid particles. It is widely used in the pharmaceutical, chemical and food industries.
[0003] The wet and dry dual-purpose granulation mechanism is specially used for the granulation production of pharmaceutical powders. The screen of the traditional granulator is usually fixed in size. When different specifications need to be made during granulation, the screen needs to be disassembled and replaced. In addition, when the granulator is currently working, its feed port does not have a pre-treatment structure and cannot stir and mix the raw materials. During processing, the operator needs to mix several raw materials with good proportions before pouring them into the feed port for granulation processing, which increases the workload of the operator.
[0004] Therefore, it is particularly important to design a dry and wet granulator with precise particle size control to solve the above defects. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the utility model designs a dry and wet granulator with precise control of particle size, which aims to solve the technical problems of the existing technology that the screen needs to be frequently replaced according to the granulation specifications and the raw materials cannot be pre-processed.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A dry and wet granulator with precise particle size control comprises a mixing box, a support frame is fixedly connected to the bottom side of the mixing box, a box cover is threadedly connected to the top of the mixing box, a motor is installed on the top of the box cover, a stirring rod is installed at the bottom of the box cover below the motor, a feed pipe is fixedly connected to the bottom of the feed pipe, a screen cylinder is fixedly connected to the bottom of the feed pipe, a sieving structure is provided below the screen cylinder, and the sieving structure siftes and sorts the particles after granulation processing.
[0008] As a preferred solution of the utility model, handles are fixedly connected to both sides of the box cover, and a feed hopper is installed on the top of the box cover on one side of the motor.
[0009] As a preferred solution of the utility model, the stirring rod is fixedly connected with a scraper plate at a position corresponding to the inner wall of the mixing box, the bottom end of the stirring rod and the position corresponding to the feed pipe are fixedly connected with a threaded feed rod, and the bottom end of the threaded feed rod is located inside the screen cylinder and is fixedly connected with a particle size cutter.
[0010] As a preferred solution of the utility model, a feed discharge port is provided at the connection between the mixing box and the feed pipe, a baffle plate is inserted into the outer side of the feed pipe and at a position corresponding to the feed discharge port, one side of the baffle plate is located on the outer side of the feed pipe and is fixedly connected to a pull ring, and the bottom end of the feed pipe is located on the outer side of the screen cylinder and is fixedly connected to a splash guard.
[0011] As a preferred solution of the utility model, large-sized grain-forming holes are provided on the outer side of the screen cylinder, medium-sized grain-forming holes are provided on the outer side of the screen cylinder on one side of the large-sized grain-forming holes, small-sized grain-forming holes are provided on the outer side of the screen cylinder on the side of the medium-sized grain-forming holes away from the large-sized grain-forming holes, an adjustment cylinder is sleeved on the outer side of the screen cylinder, four groups of strip grooves are provided on the outer side of the adjustment cylinder, a rotating handle is fixedly connected to the bottom of the adjustment cylinder, and the top of the rotating handle is rotatably connected to the bottom center of the screen cylinder.
[0012] As a preferred solution of the utility model, the screening structure consists of a support plate and a screening frame, a collecting bucket is fixedly connected to the top center of the support plate, a pair of insertion holes are opened on both sides of the support plate, and a screening frame is plugged into the top of the support plate.
[0013] As a preferred solution of the utility model, insertion strips are fixedly connected to the two sides of the sieve frame and at positions corresponding to the insertion holes, the sieve frame is plug-connected to the insertion holes through the insertion strips, a pair of handles are fixedly connected to the outside of the sieve frame, a material collection trough is provided on the top of the sieve frame, and a conical screen is fixedly connected to the top center of the material collection trough.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] First, twist the handle to drive the adjustment cylinder to rotate, and move the strip groove to the adjustment hole of the required size according to the whole grain specifications, so as to improve the convenience of screen adjustment;
[0016] Secondly, the raw materials enter the mixing box through the feed hopper, the motor drives the stirring rod to mix and stir the raw materials, and the scraper scrapes off the raw materials adhering to the inner wall of the mixing box, pre-treating the raw materials to facilitate subsequent whole grain processing;
[0017] Finally, the finished product after granulation is discharged from the screen cylinder, and the splash shield guides the finished product to the conical screen to avoid splashing. The conical screen removes the debris in the finished product to improve the quality of the finished product. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the internal structure of the dry and wet granulator;
[0019] Figure 2 This is a schematic diagram of the screening material structure splitting;
[0020] Figure 3It is a schematic diagram of the structure of the screen cylinder and the adjustment cylinder;
[0021] Figure 4 for Figure 1 Schematic diagram of the enlarged structure of area A in the middle.
[0022] In the figure: 1. Mixing box; 101. Support frame; 102. Box cover; 1021. Handle 1; 1022. Feed hopper; 103. Motor; 104. Stirring rod; 1041. Scraper plate; 1042. Threaded feed rod; 1043. Granulating knife; 105. Feed pipe; 1051. Feed port; 1052. Splash shield; 106. Baffle plate; 1061. Pull ring; 2. Screen Cylinder; 201, large-sized granulation hole; 202, medium-sized granulation hole; 203, small-sized granulation hole; 204, adjustment cylinder; 2041, strip groove; 2042, rotating handle; 3, screening structure; 301, support plate; 3011, collecting bucket; 3012, plug hole; 302, screening frame; 3021, insert strip; 3022, handle two; 3023, collecting trough; 3024, conical screen. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0024] Example:
[0025] The embodiment of the utility model provides a dry and wet granulator with precise particle size control, which aims to solve the technical problems of the prior art that the screen needs to be frequently replaced according to the granulation specifications and the raw materials cannot be pre-processed;
[0026] See also Figure 1-Figure 4 , the utility model provides a technical solution:
[0027] A wet and dry granulator with precise particle size control comprises a mixing box 1, a support frame 101 is fixedly connected to the bottom side of the mixing box 1, the support frame 101 provides support for the mixing box 1, a box cover 102 is threadedly connected to the top of the mixing box 1, handles 1021 are fixedly connected on both sides of the box cover 102, the handles 1021 are convenient for disassembling the box cover 102 to clean the inside of the mixing box 1, a feed hopper 1022 is installed on the top of the box cover 102 on one side of the motor 103, and the raw materials enter the mixing box 1 through the feed hopper 1022.
[0028] Among them, see Figure 1 and Figure 4A motor 103 is installed on the top of the box cover 102, and a stirring rod 104 is installed below the motor 103 at the bottom of the box cover 102. The stirring rod 104 is fixedly connected to a scraper plate 1041 at a position corresponding to the inner wall of the mixing box 1. The motor 103 drives the stirring rod 104 to rotate to mix and stir the raw materials in the mixing box 1. The scraper plate 1041 scrapes off the raw materials adhering to the inner wall of the mixing box 1, so as to facilitate the cleaning of the mixing box 1 in the later stage. A threaded discharge rod 1042 is fixedly connected to the bottom end of the stirring rod 104 and the position corresponding to the feeding pipe 105. The threaded discharge rod 1042 transports the mixed raw materials to the screen cylinder 2 for processing to avoid the raw materials being blocked in the feeding pipe 105. The bottom end of the threaded discharge rod 1042 is located inside the screen cylinder 2 and is fixedly connected to a granulator 1043. The granulator 1043 processes the raw materials of the screen cylinder 2.
[0029] For further information, see Figure 1 and Figure 4 The bottom of the mixing box 1 is fixedly connected with a feeding pipe 105, and a feeding port 1051 is provided at the connection between the mixing box 1 and the feeding pipe 105. A baffle plate 106 is inserted at the outer side of the feeding pipe 105 and at a position corresponding to the feeding port 1051. One side of the baffle plate 106 is located on the outer side of the feeding pipe 105 and is fixedly connected with a pull ring 1061. When the raw materials are mixed in the mixing box 1, the baffle plate 106 blocks the feeding port 1051 to prevent incomplete mixing. The stirred raw materials enter the feed pipe 105. After the raw materials are processed, the pull ring 1061 pulls the baffle plate 106 to remove the baffle plate 106. The materials are pushed into the discharge port 1051 through the scraper plate 1041 and enter the feed pipe 105 for transportation. The bottom end of the feed pipe 105 is located on the outside of the screen cylinder 2 and is fixedly connected with a splash shield 1052. The splash shield 1052 guides the finished products produced in the screen cylinder 2 to the conical screen 3024 to prevent them from splashing everywhere.
[0030] For further information, see Figure 1 and Figure 3 A screen cylinder 2 is fixedly connected to the bottom of the feed pipe 105, a large-sized granulation hole 201 is provided on the outside of the screen cylinder 2, a medium-sized granulation hole 202 is provided on one side of the large-sized granulation hole 201, a small-sized granulation hole 203 is provided on the outside of the screen cylinder 2 on the side of the medium-sized granulation hole 202 away from the large-sized granulation hole 201, an adjustment cylinder 204 is sleeved on the outside of the screen cylinder 2, four groups of strip grooves 2041 are provided on the outside of the adjustment cylinder 204, a rotating handle 2042 is fixedly connected to the bottom of the adjustment cylinder 204, the top of the rotating handle 2042 is rotatably connected to the bottom center of the screen cylinder 2, the rotating handle 2042 drives the adjusting cylinder 204 to rotate, and the strip groove 2041 is moved to the adjustment hole of the required size according to the granulation specification, thereby improving the convenience of adjusting the screen cylinder 2.
[0031] For further information, see Figure 1 and Figure 2 A screening structure 3 is provided below the screen cylinder 2. The screening structure 3 is composed of a support plate 301 and a screening frame 302. A collecting bucket 3011 is fixedly connected to the center of the top of the support plate 301. The collecting bucket 3011 collects the debris screened out by the conical screen 3024. A pair of plug holes 3012 are provided on both sides of the support plate 301. The screening frame 302 is plugged into the top of the support plate 301. Insert strips 3021 are fixedly connected to the positions on both sides of the screening frame 302 and corresponding to the plug holes 3012. The screening frame 3 02 is installed on the top of the support plate 301 through the insertion connection of the insertion strip 3021 and the socket 3012, so that the screening frame 302 can be loaded and unloaded through the handle 3022. A pair of handles 3022 are fixedly connected to the outside of the screening frame 302. A collection trough 3023 is provided on the top of the screening frame 302. A conical screen 3024 is fixedly connected to the top center of the collection trough 3023. The conical screen 3024 screens out the debris in the finished product, so that the complete finished product particles flow into the collection trough 3023 for collection.
[0032] In addition, it should be added based on the content of the above embodiment that the pelletizing knife 1043 is a prior art, and its internal working principle and operation process will not be described in detail here.
[0033] The working process of the utility model is as follows: first, the support plate 301 is placed under the screen cylinder 2, and the screen frame 302 is installed on the top of the support plate 301 by plugging and connecting the insertion strip 3021 with the insertion hole 3012, and the rotating handle 2042 drives the adjustment cylinder 204 to rotate, and the strip groove 2041 is moved to the adjustment hole of the required size according to the whole grain specification, and the raw materials enter the mixing box 1 through the feed hopper 1022, and the motor 103 drives the stirring rod 104 to rotate to mix and stir the raw materials in the mixing box 1, and the scraper plate 1041 scrapes off the raw materials adhering to the inner wall of the mixing box 1. After the raw materials are processed, the pull ring 1061 pulls the baffle plate 106 to baffle the raw materials. The plate 106 is taken out, and the material is pushed into the discharge port 1051 into the feed pipe 105 through the scraper plate 1041. The threaded discharge rod 1042 rotates to transport the mixed raw materials to the screen cylinder 2 for processing to prevent the raw materials from being blocked inside the feed pipe 105. The granulator 1043 processes the raw materials in the screen cylinder 2, and the splash shield 1052 guides the finished product produced in the screen cylinder 2 to the conical screen 3024 to prevent it from splashing everywhere. The conical screen 3024 screens out the debris in the finished product, so that the complete finished product particles flow into the aggregate trough 3023 for collection, and the collection bucket 3011 collects the debris screened out by the conical screen 3024.
[0034] The entire operation process is simple and convenient. Compared with the existing dry and wet granulating machines, the utility model can facilitate the rapid adjustment of the screen according to needs through design, provide mixing treatment for raw materials, improve the processing quality of finished particles, and enhance overall practicality.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dry and wet granulator with precise particle size control, comprising a mixing box (1), characterized in that: The bottom side of the mixing box (1) is fixedly connected to a support frame (101), the top of the mixing box (1) is threadedly connected to a box cover (102), a motor (103) is installed on the top of the box cover (102), a stirring rod (104) is installed below the motor (103) and located at the bottom of the box cover (102), a feed pipe (105) is fixedly connected to the bottom of the mixing box (1), a screen cylinder (2) is fixedly connected to the bottom of the feed pipe (105), a screen structure (3) is provided below the screen cylinder (2), and the screen structure (3) is used to screen and sort the particles after whole-grain processing.
2. A dry and wet granulator with precise particle size control according to claim 1, characterized in that: Handles 1 (1021) are fixedly connected to both sides of the box cover (102), and a feed hopper (1022) is installed on the top of the box cover (102) located on one side of the motor (103).
3. A dry and wet granulator with precise particle size control according to claim 1, characterized in that: The stirring rod (104) is fixedly connected to a scraper plate (1041) at a position corresponding to the inner wall of the mixing box (1), and a threaded feed rod (1042) is fixedly connected to the bottom end of the stirring rod (104) and at a position corresponding to the feed pipe (105). The bottom end of the threaded feed rod (1042) is located inside the screen cylinder (2) and is fixedly connected to a pelletizing knife (1043).
4. A dry and wet granulator with precise particle size control according to claim 1, characterized in that: A material discharge port (1051) is provided at the connection between the mixing box (1) and the material delivery pipe (105); a material baffle plate (106) is inserted at a position on the outside of the material delivery pipe (105) corresponding to the material discharge port (1051); one side of the material baffle plate (106) is located on the outside of the material delivery pipe (105) and is fixedly connected to a pull ring (1061); and the bottom end of the material delivery pipe (105) is located on the outside of the screen cylinder (2) and is fixedly connected to a splash guard (1052).
5. The dry and wet granulator with precise particle size control according to claim 1, characterized in that: The outer side of the screen cylinder (2) is provided with a large-sized grain-forming hole (201); a medium-sized grain-forming hole (202) is provided on the outer side of the screen cylinder (2) on one side of the large-sized grain-forming hole (201); a small-sized grain-forming hole (203) is provided on the outer side of the screen cylinder (2) on the side of the medium-sized grain-forming hole (202) away from the large-sized grain-forming hole (201); an adjustment cylinder (204) is sleeved on the outer side of the screen cylinder (2); four groups of strip grooves (2041) are provided on the outer side of the adjustment cylinder (204); a rotating handle (2042) is fixedly connected to the bottom of the adjustment cylinder (204); and the top of the rotating handle (2042) is rotatably connected to the bottom center of the screen cylinder (2).
6. A dry and wet granulator with precise particle size control according to claim 1, characterized in that: The screening material structure (3) is composed of a support plate (301) and a screening material frame (302); a collecting bucket (3011) is fixedly connected to the center of the top of the support plate (301); a pair of insertion holes (3012) are provided on both sides of the support plate (301); and the screening material frame (302) is plugged into the top of the support plate (301).
7. A dry and wet granulator with precise particle size control according to claim 6, characterized in that: Insert strips (3021) are fixedly connected to the two sides of the screening frame (302) and at positions corresponding to the insertion holes (3012); the screening frame (302) is plug-connected to the insertion holes (3012) via the insert strips (3021); a pair of handles (3022) are fixedly connected to the outside of the screening frame (302); a material collection trough (3023) is provided at the top of the screening frame (302); a conical screen (3024) is fixedly connected to the top center of the material collection trough (3023).