Medical intermediate pulverizer
By using a motor to drive the rotating disc to rotate quickly in the pharmaceutical intermediate crusher, the shear force and impact force generated by the protrusion of the rotating knife and the fixed disc are crushed, solving the problem of low crushing efficiency in the existing technology, and the rapid breaking of the raw materials into powder form is achieved, and the scattering and waste are prevented.
Patent Information
- Application Number
- CN202421992089.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The existing pharmaceutical intermediate crushers have spacing between the multi-component cutting knives, resulting in large volume of raw materials and low crushing efficiency, which requires long-term cutting to reach powder form.
The rotating disc is driven to rotate rapidly by a motor. A plurality of tilted rotating knives are provided on the rotating disc. Fixed discs and inclined protrusions are provided on both sides of the rotating disc. The shear force and impact force generated by the bulge of the rotating knife and the fixed disc protrusion are crushed.
The rapid breaking of raw materials into powder is achieved, the crushing efficiency is improved, the crushing time is shortened, and the raw materials are prevented from scattering through the sealing effect of the screen ring and waste is avoided.
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Figure CN223027470U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pharmaceutical intermediate processing, in particular to a pharmaceutical intermediate crusher. Background Technique
[0002] Pharmaceutical intermediates are chemical raw materials or chemical products used in the process of drug synthesis. Pharmaceutical intermediates are often used in finished drugs and can also be used to make cosmetics. They are usually obtained through methods such as chemical synthesis, microbial fermentation, and extraction from animals and plants. They are further processed and treated, and auxiliary materials are added to make various dosage forms available for patients, such as tablets, capsules, injections, oral liquids, cosmetics, etc.;
[0003] The processing of pharmaceutical intermediates is divided into multiple steps. Among them, crushing the raw drug into powder is an important step in the processing of raw drugs. The crushing effect of the raw drug determines the finished product quality of the raw drug; Chinese Patent Publication No. CN 220610692 U discloses a pharmaceutical crusher, including a pharmaceutical crusher body, a pre-cutting mechanism and a conveying mechanism. A pre-cutting mechanism is connected to the pharmaceutical crusher body. The pre-cutting mechanism includes a cutting bin. A cutting shaft is arranged in the cutting bin. A number of evenly distributed cutting knives are connected to the cutting shaft. An anti-blocking net is arranged on the lower side of the cutting shaft. A conveying mechanism is connected between the cutting bin and the pharmaceutical crusher body. A synchronous bin is connected to one side of the cutting bin. The cutting shaft penetrates through the cutting bin and the synchronous bin. One end of the cutting shaft is connected to a cutting motor, and the end of the cutting shaft away from the cutting motor is connected to a cutting limit block;
[0004] For the above-mentioned crusher, the motor drives a plurality of groups of cutting knives to rotate rapidly through the cutting shaft to cut and crush the raw drug; however, each group of cutting knives of the above-mentioned crusher is formed by a combination of a plurality of cutting knives arranged in a ring, and there is a certain distance between each group of cutting knives. The raw drug is cut by a plurality of groups of cutting knives during rapid rotation. Due to the distance between the plurality of groups of cutting knives, the volume of the raw drug cut by the cutting knives is large. Therefore, it is necessary to use a plurality of groups of cutting knives to cut the raw drug for a long time to cut the raw drug into powder, which greatly reduces the efficiency of the raw drug crushing work. Content of the Utility Model
[0005] The purpose of the utility model is to provide a pharmaceutical intermediate crusher, which uses a motor to drive a rotating disk to rotate rapidly. A plurality of inclined rotating knives are arranged on the rotating disk. Fixed disks are arranged on both sides of the rotating disk, and inclined protrusions are arranged on the fixed disks. The rapidly rotating rotating knives and the protrusions of the fixed disks generate a shearing force, and the raw drug is crushed by the impact force and the shearing force, and the raw drug can be quickly broken into powder, so as to solve the technical problems proposed in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solutions:
[0007] An API crusher includes a crushing device fixedly arranged on the top of a placement table; one side of the placement table is fixedly connected to a cabinet; a motor is placed inside the cabinet, and the output shaft of the motor is fixedly connected to a first pulley;
[0008] The described crushing device includes a rotary knife assembly, and a first fixed disk and a second fixed disk are respectively arranged on both sides of the rotary knife assembly; a plurality of annularly arranged inclined protrusions are evenly arranged on the sides of the first fixed disk and the second fixed disk close to the rotary knife assembly; both the first fixed disk and the second fixed disk are located inside a sieve ring, and a plurality of through holes are evenly arranged on the sieve ring;
[0009] The rotary knife assembly includes a transmission shaft, and a second pulley is fixedly connected to one end of the transmission shaft away from the first fixed disk. The second pulley is in transmission connection with the first pulley through a belt; one end of the transmission shaft away from the second pulley is fixedly connected to the middle of a rotating disk, and rotary knives are fixedly connected to both sides of multiple ends of the rotating disk.
[0010] As a further technical solution of the present utility model, the rotating disk is located between the first fixed disk and the second fixed disk; both sides of the sieve ring are fixedly connected to the inner wall of the housing, and the first fixed disk and the second fixed disk are respectively fixedly connected to both sides of the housing; a circular hole for the transmission shaft to pass through is provided in the middle of the first fixed disk, and a sleeve is fixedly connected to the middle of the side of the first fixed disk away from the second fixed disk. The transmission shaft is located inside the sleeve, and the transmission shaft is rotatably connected to the sleeve and the first fixed disk through two connecting bearings respectively.
[0011] As a further technical solution of the present utility model, the side of the second fixed disk away from the first fixed disk is fixedly connected to a feeding hopper, and a through hole communicating with the feeding hopper is provided in the middle of the second fixed disk; an adjusting plug board is movably connected to the upper end of the feeding hopper; both ends of the bottom of the housing are fixedly connected to the top of the placement table through bolts; a discharge hopper is welded to the bottom of the housing, and a rectangular through groove for the discharge hopper to pass through is provided on the top of the placement table.
[0012] As a further technical solution of the present utility model, the cabinet includes a cabinet body which is rectangular, and the height of the cabinet body is greater than the height of the placement table; three inner grooves are vertically arranged inside the cabinet body, and the motor is located in the inner groove of the lower layer of the cabinet body; a protective shell is arranged outside the belt, and the protective shell is fixedly connected to the lower end of the cabinet body through bolts.
[0013] As a further technical solution of the present utility model, a lower-layer sealing door, a middle-layer sealing door and an upper-layer sealing door are rotatably connected to one side of the cabinet body away from the protective shell through hinges, and the lower-layer sealing door, the middle-layer sealing door and the upper-layer sealing door respectively correspond to the positions of three inner grooves of the cabinet body; handles are installed on the lower-layer sealing door, the middle-layer sealing door and the upper-layer sealing door, and control buttons and pointer displays are embedded on the upper-layer sealing door.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. In the present utility model, the motor cooperates with the first pulley to drive the second pulley to rotate rapidly through a belt. During the rotation of the second pulley, the transmission shaft is driven to rotate, and the transmission shaft drives the rotating disk to rotate. Multiple rotating knives fixedly connected to the rotating disk generate shearing force with the inclined protrusions of the first fixed disk and the second fixed disk during rotation; the raw materials are placed in the feeding hopper in batches, and the raw materials move through the through hole between the feeding hopper and the second fixed disk into the space between the first fixed disk and the second fixed disk, and then are crushed into powder under the action of the impact force and shearing force generated by the rapidly rotating rotating knives. The crushing effect on the raw materials is good, the crushing time is short, and the efficiency of the raw material crushing work is improved.
[0016] 2. In the present utility model, during the process of multiple rotating knives crushing the raw materials, the sieve ring plays a sealing role to prevent the raw materials from flying to the outside of the sieve ring, which can not only ensure the normal progress of the raw material crushing work, but also prevent the waste of raw materials; the raw materials crushed into powder will move through the sieve holes of the sieve ring into the space between the sieve ring and the outer shell, and fall into the discharge hopper under the action of its own gravity, and finally are discharged from the outlet of the discharge hopper; when the stock of raw material powder in the outer shell is large, a slight spraying phenomenon may occur at the outlet of the discharge hopper, resulting in the raw material powder flying everywhere. At this time, a through-mouth cloth bag can be tied at the outlet of the discharge hopper, and the through-mouth cloth bag is used to let the material overflow slowly to prevent the spraying phenomenon and avoid the waste of raw material powder. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.
[0018] Figure 2 is in the present utility model Figure 1 another perspective view.
[0019] Figure 3 is a position relationship diagram of the placing table and the cabinet of the present utility model.
[0020] Figure 4 is in the present utility model Figure 1 partial structural schematic diagram.
[0021] Figure 5 is another perspective view in the present utility model Figure 4 .
[0022] Figure 6 is a schematic diagram of a partial structure in the present utility model Figure 4 .
[0023] Figure 7 is a schematic diagram of a partial structure in the present utility model Figure 6 .
[0024] Figure 8 is a schematic diagram of a partial structure in the present utility model Figure 7 .
[0025] Figure 9 is a side view in the present utility model Figure 8 .
[0026] Figure 10 is a connection schematic diagram of the first fixing plate and the sleeve in the present utility model
[0027] Figure 11 is a three-dimensional structure schematic diagram of the second fixing plate in the present utility model
[0028] Figure 12 is a connection schematic diagram of the rotary knife assembly and the second pulley in the present utility model
[0029] In the figure: 1 - crushing device, 2 - cabinet, 3 - placing table, 4 - protective shell, 5 - motor, 6 - first pulley, 7 - belt;
[0030] 11 - feeding hopper, 12 - adjusting plug board, 13 - outer shell, 14 - discharge hopper, 15 - second pulley, 16 - first fixing plate, 17 - second fixing plate, 18 - rotary knife assembly, 19 - sleeve, 10 - sieve ring, 21 - cabinet body, 22 - lower layer sealing door, 23 - middle layer sealing door, 24 - upper layer sealing door, 25 - handle;
[0031] 181 - transmission shaft, 182 - connecting bearing, 183 - rotating disk, 184 - rotary knife. Specific embodiments
[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0033] Please refer to Figure 1-12, in the embodiment of the present utility model, it includes a crushing device 1, and the crushing device 1 is fixedly arranged on the top of the placement table 3; one side of the placement table 3 is fixedly connected to the cabinet 2; a motor 5 is placed inside the cabinet 2, and the output shaft of the motor 5 is fixedly connected to a first pulley 6;
[0034] The described crushing device 1 includes a rotary knife assembly 18, and both sides of the rotary knife assembly 18 are respectively provided with a first fixed disk 16 and a second fixed disk 17; on the side of the first fixed disk 16 and the second fixed disk 17 close to the rotary knife assembly 18, a plurality of annularly arranged inclined protrusions are evenly provided; both the first fixed disk 16 and the second fixed disk 17 are located inside the sieve ring 10, and a plurality of sieve holes are evenly provided on the sieve ring 10;
[0035] The described rotary knife assembly 18 includes a transmission shaft 181, and one end of the transmission shaft 181 away from the first fixed disk 16 is fixedly connected to a second pulley 15, and the second pulley 15 is in transmission connection with the first pulley 6 through a belt 7; one end of the transmission shaft 181 away from the second pulley 15 is fixedly connected to the middle of a rotating disk 183, and both sides of multiple ends of the rotating disk 183 are fixedly connected with rotary knives 184;
[0036] The described rotating disk 183 is located between the first fixed disk 16 and the second fixed disk 17; both sides of the sieve ring 10 are fixedly connected to the inner wall of the housing 13, and the first fixed disk 16 and the second fixed disk 17 are respectively fixedly connected to both sides of the housing 13; a circular hole for the transmission shaft 181 to pass through is provided in the middle of the first fixed disk 16, and the middle of the side of the first fixed disk 16 away from the second fixed disk 17 is fixedly connected with a sleeve 19, the transmission shaft 181 is located inside the sleeve 19, and the transmission shaft 181 is rotatably connected to the sleeve 19 and the first fixed disk 16 respectively through two connecting bearings 182;
[0037] The side of the second fixed disk 17 away from the first fixed disk 16 is fixedly connected to a feeding hopper 11, and a through hole communicating with the feeding hopper 11 is provided in the middle of the second fixed disk 17; the upper end of the feeding hopper 11 is movably connected with an adjusting plug plate 12; both ends of the bottom of the described housing 13 are fixedly connected to the top of the placement table 3 through bolts; a discharge hopper 14 is welded to the bottom of the housing 13, and a rectangular through slot for the discharge hopper 14 to pass through is provided on the top of the placement table 3.
[0038] By adopting the above technical solution, the motor 5 cooperates with the first pulley 6 to drive the second pulley 15 to rotate rapidly through the belt 7. During the rotation of the second pulley 15, the transmission shaft 181 is driven to rotate, and the transmission shaft 181 drives the rotating disk 183 to rotate. Multiple rotating blades 184 fixedly connected to the rotating disk 183 generate a shearing force with the inclined protrusions of the first fixed disk 16 and the second fixed disk 17 during rotation; the raw materials are placed in the feeding hopper 11 in batches, and the raw materials move through the through holes between the feeding hopper 11 and the second fixed disk 17 into the space between the first fixed disk 16 and the second fixed disk 17, and then are crushed into powder under the action of the impact force and shearing force generated by the rapidly rotating rotating blades 184. The crushing effect on the raw materials is good, the crushing time is short, and the efficiency of the raw material crushing work is improved.
[0039] In this embodiment, the cabinet 2 includes a cabinet body 21, the cabinet body 21 is rectangular, and the height of the cabinet body 21 is greater than the height of the placement table 3; three inner slots are vertically arranged inside the cabinet body 21, and the motor 5 is located in the inner slot at the lower layer of the cabinet body 21; a protective shell 4 is arranged outside the belt 7, and the protective shell 4 is fixedly connected to the lower end of the cabinet body 21 by bolts;
[0040] One side of the cabinet body 21 away from the protective shell 4 is rotatably connected with a lower layer sealing door 22, a middle layer sealing door 23 and an upper layer sealing door 24 through hinges, and the lower layer sealing door 22, the middle layer sealing door 23 and the upper layer sealing door 24 respectively correspond to the positions of the three inner slots of the cabinet body 21; handles 25 are installed on the lower layer sealing door 22, the middle layer sealing door 23 and the upper layer sealing door 24, and control buttons and pointer displays are embedded on the upper layer sealing door 24.
[0041] By adopting the above technical solution, during the process of crushing the raw materials by multiple rotating blades 184, the sieve ring 10 plays a sealing role to prevent the raw materials from flying outside the sieve ring 10, which can not only ensure the normal progress of the raw material crushing work, but also prevent the waste of raw materials; the raw materials crushed into powder will move through the sieve holes of the sieve ring 10 into the space between the sieve ring 10 and the outer shell 13, and fall into the discharge hopper 14 under the action of its own gravity, and finally are discharged from the outlet of the discharge hopper 14 of the crushing device 1; when the stock of raw material powder in the outer shell 13 is large, a slight spraying phenomenon may occur at the outlet of the discharge hopper 14, resulting in the raw material powder flying everywhere. At this time, a through-mouth cloth bag can be tied at the outlet of the discharge hopper 14, and the through-mouth cloth bag is used to let the material overflow slowly to prevent the spraying phenomenon and avoid the waste of raw material powder.
[0042] The working principle of the present utility model is as follows: The motor 5 cooperates with the first pulley 6 to drive the second pulley 15 to rotate rapidly through the belt 7. During the rotation of the second pulley 15, the transmission shaft 181 is driven to rotate, and the transmission shaft 181 drives the rotating disk 183 to rotate. A plurality of rotary knives 184 fixedly connected to the rotating disk 183 generate a shearing force with the inclined protrusions of the first fixed disk 16 and the second fixed disk 17 during rotation; The raw materials are batch-placed into the feeding hopper 11. The raw materials move through the through-hole between the feeding hopper 11 and the second fixed disk 17 into the space between the first fixed disk 16 and the second fixed disk 17, and then are crushed into powder under the action of the impact force and shearing force generated by the rapidly rotating rotary knives 184. The crushing effect on the raw materials is good, the crushing time is short, and the efficiency of the raw material crushing work is improved;
[0043] During the process of the plurality of rotary knives 184 crushing the raw materials, the sieve ring 10 plays a sealing role to prevent the raw materials from flying outside the sieve ring 10, which can not only ensure the normal progress of the raw material crushing work but also prevent the waste of raw materials; The raw materials crushed into powder will move through the sieve holes of the sieve ring 10 into the space between the sieve ring 10 and the outer shell 13, and fall into the discharge hopper 14 under the action of its own gravity, and finally are discharged from the outlet of the discharge hopper 14 out of the crushing device 1; When the stock of the raw material powder in the outer shell 13 is relatively large, a slight spraying phenomenon may occur at the outlet of the discharge hopper 14, resulting in the raw material powder flying everywhere. At this time, a through-mouth cloth bag can be tied at the outlet of the discharge hopper 14, and the through-mouth cloth bag is used to allow the material to slowly overflow, preventing the spraying phenomenon from occurring and avoiding the waste of the raw material powder.
[0044] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A pharmaceutical intermediate pulverizer, characterized in that: The invention comprises a crushing device (1), wherein the crushing device (1) is fixedly arranged on the top of a placing table (3); one side of the placing table (3) is fixedly connected to a cabinet (2); a motor (5) is placed in the cabinet (2), and the output shaft of the motor (5) is fixedly connected to a pulley (6); The pulverizing device (1) comprises a rotary cutter assembly (18), wherein a first fixed disk (16) and a second fixed disk (17) are respectively provided on both sides of the rotary cutter assembly (18); a plurality of oblique protrusions arranged in a ring shape are evenly provided on one side of the first fixed disk (16) and the second fixed disk (17) close to the rotary cutter assembly (18); the first fixed disk (16) and the second fixed disk (17) are both located on the inner side of a screen ring (10), and a plurality of through holes are evenly provided on the screen ring (10); The rotary cutter assembly (18) comprises a transmission shaft (181), one end of the transmission shaft (181) away from the first fixed disk (16) is fixedly connected to the second pulley (15), and the second pulley (15) is transmission-connected to the first pulley (6) via a belt (7); one end of the transmission shaft (181) away from the second pulley (15) is fixedly connected to the middle of a rotating disk (183), and rotary cutters (184) are fixedly connected to both sides of multiple ends of the rotating disk (183).
2. The pharmaceutical intermediate pulverizer according to claim 1, characterized in that: The rotating disk (183) is located between the first fixed disk (16) and the second fixed disk (17); both sides of the screen ring (10) are fixedly connected to the inner wall of the outer shell (13); the first fixed disk (16) and the second fixed disk (17) are respectively fixedly connected to the two sides of the outer shell (13); a circular hole for the transmission shaft (181) to pass through is provided in the middle of the first fixed disk (16); a sleeve (19) is fixedly connected in the middle of one side of the first fixed disk (16) away from the second fixed disk (17); the transmission shaft (181) is located inside the sleeve (19), and the transmission shaft (181) is rotationally connected to the sleeve (19) and the first fixed disk (16) through two connecting bearings (182).
3. The pharmaceutical intermediate pulverizer according to claim 2, characterized in that: The second fixed plate (17) is fixedly connected to the feeding hopper (11) at a side away from the first fixed plate (16), and a through hole communicating with the feeding hopper (11) is provided in the middle of the second fixed plate (17); an adjusting plug plate (12) is movably connected to the upper end of the feeding hopper (11); the two ends of the bottom of the outer shell (13) are fixedly connected to the top of the placement platform (3) by bolts; a discharge hopper (14) is welded to the bottom of the outer shell (13), and a rectangular through groove for the discharge hopper (14) to pass through is provided on the top of the placement platform (3).
4. The pharmaceutical intermediate pulverizer according to claim 3, characterized in that: The cabinet (2) comprises a cabinet body (21), the cabinet body (21) is rectangular, and the height of the cabinet body (21) is greater than the height of the placement table (3); three inner grooves are vertically arranged inside the cabinet body (21), and the motor (5) is located in the inner groove of the lower layer of the cabinet body (21); a protective shell (4) is provided on the outer side of the belt (7), and the protective shell (4) is fixedly connected to the lower end of the cabinet body (21) by bolts.
5. The pharmaceutical intermediate pulverizer according to claim 4, characterized in that: The cabinet body (21) is rotatably connected to a lower sealed door (22), a middle sealed door (23) and an upper sealed door (24) on a side away from the protective shell (4) via hinges, and the lower sealed door (22), the middle sealed door (23) and the upper sealed door (24) respectively correspond to the positions of the three inner grooves of the cabinet body (21); the lower sealed door (22), the middle sealed door (23) and the upper sealed door (24) are all equipped with handles (25), and the upper sealed door (24) is embedded with control buttons and a pointer display.
Citation Information
Patent Citations
Pharmaceutical pulverizer
CN220610692U