Powder grinding device for extracting medicine for pharmacy

By designing a high-efficiency grinding component, including grinding rollers, pushers, and beaters, the problems of low sieving efficiency and high cost in pharmaceutical powder grinding devices have been solved, achieving efficient grinding and sieving of pharmaceutical powder and improving yield.

CN223774946UActive Publication Date: 2026-01-09赵跃
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520018322.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-09
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing powder grinding equipment has low sieving efficiency, the screen is prone to clogging, and repeated grinding increases the cost of the equipment and reduces the yield of powder.

Method used

Design a high-efficiency grinding assembly, including a grinding roller, a pusher, and a beater, which disperses the material through the rotation of the grinding roller and the vibration of the beater, and works in conjunction with a screen assembly to achieve efficient grinding and sieving of the medicinal powder.

Benefits of technology

It improves the sieving efficiency of the medicine powder, avoids screen clogging, reduces the cost of the equipment, and increases the yield of the medicine powder.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223774946U_ABST
    Figure CN223774946U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of medicine development, and particularly relates to a pharmaceutical medicine extraction grinding device which comprises an outer shell, a feeding port is formed in the top of the outer shell, a gear motor is installed at the top of the outer shell, the gear motor is in driving connection with a main shaft, and an efficient grinding assembly is installed at the bottom end of the main shaft and comprises a sealing shell. The sealing shell is installed at the bottom of the main shaft, a pusher, a grinding roller and a beating device are rotatably installed on the sealing shell, driven gears installed on rotating shafts of the grinding roller and the beating device are in meshed connection with a driving gear, the driving gear is installed on the main shaft, and a screen assembly is installed in the outer shell below the efficient grinding assembly. The grinding rollers can rotate while being collinear around the axis of the screen assembly, so that the medicine is repeatedly ground to the qualified particle size to be screened, the materials are vibrated to be scattered when the beating device rotates, the screen is prevented from being blocked, the screening efficiency is improved, the medicine powder can be evenly spread through the pusher, and the screening efficiency is further improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medicine research and development, and specifically relates to a medicine extracting powder device for pharmacy. BACKGROUND

[0002] The utility model discloses a medicine extracting powder device for pharmacy, belongs to the field of pharmacy technology, including the shell, be equipped with the protection subassembly on the shell, be connected with the motor in the protection subassembly, the output shaft of motor is connected with the powder block through the first transmission component, and the first transmission component is established in the shell, and the powder seat is connected in the shell;The utility model, control motor work, and the powder block and the powder seat of rotation cooperate and can carry out the powder operation to medicinal materials, and the screen net that reciprocates in the vertical direction can carry out the screening operation to the medicine powder that falls above it, and the qualified medicine powder falls into the collection shell, and the unqualified medicine powder moves into the conveying cylinder and is further conveyed into the powder seat in the spiral conveying rod conveying belt and further carries out the powder operation again, and the device only needs to control the motor work and can complete the repeated powder and the quick screening operation, not only convenient operation, but also save the problem of electric energy.

[0003] However, the above-mentioned mechanism has the following problems: the medicine powder is only passed through the filter screen by gravity, which not only has a slow speed and affects the extraction efficiency, but also the filter screen is easily blocked by medicine powder particles, further affecting the screening speed; in addition, in order to realize repeated grinding of the medicine powder to the qualified particle size, the spiral conveying rod is used to repeatedly convey the medicine powder, which not only increases the cost of the device, but also greatly increases the loss of the medicine powder adhered to the inner wall of the device, and reduces the yield. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model aims to provide a medicine extracting powder device for pharmacy, which solves the problem of low screening efficiency of the existing medicine powder in the grinding process, and increases the cost of the device and reduces the yield in order to realize repeated grinding of the medicine powder to the qualified particle size.

[0005] In order to achieve the above object, the utility model discloses the technical scheme that a kind of pharmacy is used to extract powder device of medicine, including outer shell, the outer shell is installed on support leg, the bottom of the outer shell is shaped with flow guide shell, the bottom of the flow guide shell is provided with discharge port, the top of the outer shell is provided with feeding port and is equipped with speed reducer motor, the speed reducer motor drive connection main shaft, the bottom of the main shaft is equipped with high-efficiency grinding assembly, the high-efficiency grinding assembly includes sealed shell, the sealed shell is installed in the bottom of main shaft, the three vertical side surfaces of the sealed shell are sequentially rotatably installed with pusher, grinding roller and beater, the rotation axis of the grinding roller and beater is equipped with driven gear, the driven gear is engaged with driving gear, the driving gear is installed on the main shaft, screen assembly is installed in the outer shell below the high-efficiency grinding assembly.

[0006] The beneficial effects of the utility model are that: the grinding roller in simple and efficient grinding assembly can rotate around the axis of the screen assembly while co-linear, so as to repeatedly grind the medicine to the qualified particle size, and the beater is rotated to scatter the materials and avoid the screen from being blocked, thereby improving the screening efficiency, and the pusher can evenly spread the powder to further improve the screening efficiency.

[0007] In order to avoid the pusher from being clamped by large particle medicine;

[0008] As a further improvement of the above technical solution: the pusher includes a rotating shaft and a push plate, the rotating shaft is rotatably clamped on the sealed shell, the rotating shaft is connected to the top side of the push plate, the push plate is a square thin plate structure, and the bottom end of the push plate is slidably connected to the top surface of the screen assembly.

[0009] The beneficial effects of the improvement are that: when the push plate encounters large volume materials, it rotates to avoid the materials under the support of the rotating shaft, so as to avoid the large particle powder from being clamped between the pusher and the screen assembly.

[0010] In order to ensure the uniformity of the force received by the high-efficiency grinding assembly;

[0011] As a further improvement of the above technical solution: the axes of the grinding roller, the pusher and the beater are on the same plane, and the included angle between the axes of the grinding roller, the pusher and the beater is 120 degrees.

[0012] The beneficial effects of the improvement are that: the equidistantly spaced grinding roller, pusher and beater can effectively ensure the uniformity of the force received by the high-efficiency grinding assembly during operation.

[0013] In order to ensure the stability of the transmission of the driving gear and the driven gear;

[0014] As a further improvement of the above technical solution: the driving gear and the driven gear are both installed inside the sealed shell, and a dynamic sealing structure is provided between the sealed shell and the grinding roller, the pusher and the beater.

[0015] The improved beneficial effect is that the driving gear and the driven gear inside the sealing shell can be stably driven.

[0016] In order to effectively scatter the milled powder;

[0017] As a further improvement of the above technical solution: the knocking device comprises a rotating rod, a plurality of rubber hammers are installed on the curved side surface of the rotating rod, and the rubber hammer is composed of a rubber block with a spherical head.

[0018] The improved beneficial effect is that the rubber hammer is swung when the rotating rod rotates, and the head of the rubber hammer hits the screen assembly, effectively scattering the material.

[0019] In order to effectively ensure the structural stability of the screen assembly during the grinding process;

[0020] As a further improvement of the above technical solution: the screen assembly comprises a rigid support and a filter screen, the filter screen is welded to the top surface of the rigid support, and the edge of the filter screen and the rigid support is connected to the inner wall of the outer shell.

[0021] The improved beneficial effect is that the rigid support can provide stable support for the filter screen, effectively ensuring the structural stability of the screen assembly during the grinding process.

[0022] In order to avoid the appearance of grinding blind area on the surface of the screen assembly;

[0023] As a further improvement of the above technical solution: a flow guide block is installed on the top surface of the filter screen, the axis of the flow guide block is collinear with the axis of the filter screen, and the flow guide block is a conical structure.

[0024] The improved beneficial effect is that by setting the flow guide block, the material is prevented from accumulating in the dead angle of the grinding roller, the material pusher and the knocking device.

[0025] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a sectional view of the high-efficiency grinding assembly of the utility model;

[0027] Figure 2 is a structural schematic view of the utility model;

[0028] Figure 3 is a sectional view of the high-efficiency grinding assembly of the utility model;

[0029] Figure 4 is a sectional view of the high-efficiency grinding assembly of the utility model;

[0030] Figure 5 It is the structure schematic view of the pusher in the utility model;

[0031] In the figure: 1, outer shell; 2, support leg; 3, flow guide shell; 4, feeding port; 5, speed reducer motor; 6, discharge port; 7, main shaft; 8, high-efficiency grinding assembly; 81, sealing shell; 82, driving gear; 83, beater; 831, rotating rod; 832, rubber hammer; 84, grinding roller; 85, driven gear; 86, pusher; 861, rotating shaft; 862, push plate; 9, screen assembly; 91, rigid support; 92, filter screen; 93, flow guide block. DETAILED DESCRIPTION

[0032] In order to make the person skilled in the art better understand the technical scheme of the present application, the present application will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0033] Example 1:

[0034] As Figure 1-5 shown: a pharmaceutical powder extraction device, comprising a housing 1, the housing 1 is installed on the leg 2, the bottom of the housing 1 is shaped into a flow guide shell 3, the bottom end of the flow guide shell 3 is provided with a discharge port 6, the top of the housing 1 is provided with a feeding port 4 and is installed with a speed reducer motor 5, the speed reducer motor 5 is drivingly connected with a main shaft 7, the bottom end of the main shaft 7 is installed with a high-efficiency grinding assembly 8, the high-efficiency grinding assembly 8 comprises a sealing shell 81, the sealing shell 81 is installed at the bottom of the main shaft 7, a pusher 86, a grinding roller 84 and a beater 83 are sequentially and rotatably installed on three vertical sides of the sealing shell 81, the rotation shafts of the grinding roller 84 and the beater 83 are installed with driven gears 85, the driven gears 85 are engaged with driving gears 82, the driving gears 82 are installed on the main shaft 7, a screen assembly 9 is installed in the housing 1 below the high-efficiency grinding assembly 8, the grinding roller 84 in the simple and high-efficiency grinding assembly 8 can rotate around the axis of the screen assembly 9 while co-linear, thereby repeatedly grinding the medicine to the qualified particle size, the beater 83 shakes the material when rotating and avoids the screen from being blocked, thereby improving the screening efficiency, the pusher 86 can evenly spread the powder and further improve the screening efficiency, the pusher 86 comprises a rotating shaft 861 and a push plate 862, the rotating shaft 861 is rotatably clamped on the sealing shell 81, the rotating shaft 861 is connected with the top side of the push plate 862, the push plate 862 is a square thin plate structure, the bottom end of the push plate 862 is slidingly connected with the top surface of the screen assembly 9, when encountering a larger volume of material, the push plate 862 rotates away from the material under the support of the rotating shaft 861, thereby avoiding the large particle medicine powder from being clamped between the pusher 86 and the screen assembly 9, the axes of the grinding roller 84, the pusher 86 and the beater 83 are on the same plane, and the included angle between the axes of the grinding roller 84, the pusher 86 and the beater 83 is 120 degrees, the equidistantly spaced grinding roller 84, the pusher 86 and the beater 83 can effectively ensure the uniformity of the force received by the high-efficiency grinding assembly 8 during operation, the driving gears 82 and the driven gears 85 are all installed inside the sealing shell 81, and dynamic sealing structures are arranged between the sealing shell 81 and the grinding roller 84, the pusher 86 and the beater 83, the driving gears 82 and the driven gears 85 inside the sealing shell 81 can be stably transmitted, the beater 83 comprises a rotating rod 831, a plurality of rubber hammers 832 are installed on the curved surface side of the rotating rod 831, the rubber hammer 832 is composed of a rubber block with a spherical head, the rotating rod 831 swings the rubber hammer 832 when rotating, the head of the rubber hammer 832 hits the screen assembly 9, thereby effectively shaking the material, the screen assembly 9 comprises a rigid support 91 and a filter screen 92, the filter screen 92 is welded on the top surface of the rigid support 91, and the edges of the filter screen 92 and the rigid support 91 are connected with the inner wall of the housing 1, the rigid support 91 can provide stable support for the filter screen 92, thereby effectively ensuring the structural stability of the screen assembly 9 during the grinding process.The top surface of the filter screen 92 is provided with a flow guide block 93, the axis of the flow guide block 93 is collinear with the axis of the filter screen 92, and the flow guide block 93 is a conical structure. By arranging the flow guide block 93, the material is prevented from accumulating at the dead angle of the grinding roller 84, the material pusher 86 and the beater 83.

[0035] The working principle of the technical solution is as follows: a container for receiving the medicine powder is placed below the discharge port 6, the speed reducer motor 5 is started, and the medicine to be ground is put into the inside of the outer shell 1 through the feeding port 4. When the speed reducer motor 5 is running, the main shaft 7 is rotated, the main shaft 7 drives the driving gear 82 and the sealing shell 81 to rotate synchronously, the sealing shell 81 drives the grinding roller 84, the material pusher 86 and the beater 83 to revolve around the axis of the main shaft 7 and the outer shell 1, and the material pusher 86 pushes the material accumulated on the surface of the filter screen 92 in the moving process. When the driving gear 82 rotates, the driving gear 82 meshes with the driven gear 85 arranged on the beater 83 and the grinding roller 84, so that the beater 83 and the grinding roller 84 rotate, the beater 83 grinds the material when rotating, the ground material adheres to the surface of the filter screen 92 with a certain tightness, the beater 83 beats the filter screen 92 when rotating, on the one hand, the material adhering to the filter screen 92 is scattered, so that the tight broken material can be easily sieved, and on the other hand, the material blocked in the sieve hole of the filter screen 92 is shaken out, so that the sieving efficiency is improved. Then, the material scattered by the material pusher 86 is evenly spread on the filter screen 92, so that the contact area between the material and the filter screen 92 is increased, thereby improving the sieving efficiency. When the push plate 862 encounters a material with a large volume, the push plate 862 rotates to avoid the material under the support of the rotating shaft 861, so that the jamming is avoided. Through the use of the high-efficiency grinding assembly 8, the material is repeatedly ground and efficiently sieved through the filter screen 92, and then falls into the flow guide shell 3 for collection.

[0036] It should be noted that in this document, the terms "comprising", "containing", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article or apparatus.

[0037] The principles and implementation modes of the present application are described by using specific examples in this document, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred embodiments of the present application. It should be pointed out that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, or the technical features described above can be combined in an appropriate way; these improvements, decorations, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A grinding apparatus for extracting pharmaceutical drugs, characterized in that: The utility model provides a high -efficient grinding assembly, the utility model discloses a shell (1) including, the shell (1) is installed on the support leg (2), the bottom of shell (1) is shaped with the flow guide shell (3), the bottom end of flow guide shell (3) is provided with the discharge gate (6), the top of shell (1) is seted up with the feeding port (4) and is installed with the speed reducer motor (5), the speed reducer motor (5) drive connection main shaft (7), the bottom end of main shaft (7) is installed with high -efficient grinding assembly (8), high -efficient grinding assembly (8) includes the sealing shell (81), the sealing shell (81) is installed at the bottom of main shaft (7), the three vertical side of sealing shell (81) is installed with pusher (86) in proper order, grinding roller (84) and beater (83) rotate, the pivot of grinding roller (84) and beater (83) is installed with driven gear (85), driven gear (85) engages and connects driving gear (82), driving gear (82) is installed on main shaft (7), and the screen assembly (9) is installed in shell (1) below high -efficient grinding assembly (8).

2. The powder extraction device for pharmaceutical use according to claim 1, characterized in that: The pusher (86) includes a rotating shaft (861) and a push plate (862), the rotating shaft (861) is rotatably clamped on the sealing shell (81), and the rotating shaft (861) is connected to the top side of the push plate (862); the push plate (862) is a square thin plate structure, and the bottom end of the push plate (862) is slidably connected to the top surface of the screen assembly (9).

3. The powder extraction device for pharmaceutical use according to claim 1, characterized in that: The axes of the grinding roller (84), the pusher (86) and the beater (83) are in the same plane, and the included angle between the axes of the grinding roller (84), the pusher (86) and the beater (83) is 120 degrees.

4. The powder extraction device for pharmaceutical use according to claim 1, characterized in that: The driving gear (82) and the driven gear (85) are both installed inside the sealing shell (81), and a dynamic sealing structure is arranged between the sealing shell (81) and the grinding roller (84), the pusher (86) and the beater (83).

5. The powder extraction device for pharmaceutical use according to claim 1, characterized in that: The beater (83) includes a rotating rod (831), a plurality of rubber hammers (832) are installed on the curved surface side of the rotating rod (831), and each rubber hammer (832) is composed of a rubber block with a spherical head.

6. The powder extraction device for pharmaceutical use according to claim 1, characterized in that: The screen assembly (9) includes a rigid support (91) and a filter screen (92), the filter screen (92) is welded to the top surface of the rigid support (91), and the edge of the filter screen (92) and the rigid support (91) is connected to the inner wall of the shell (1).

7. The powder extraction device for pharmaceutical use according to claim 6, characterized in that: A flow guide block (93) is installed on the top surface of the filter screen (92), the axis of the flow guide block (93) is collinear with the axis of the filter screen (92), and the flow guide block (93) is a conical structure.

Citation Information

Patent Citations

  • Powder grinding device for extracting medicine for pharmacy

    CN221965445U