High-precision medicine powder weighing device

Abstract

The application discloses a high-precision medicine powder weighing device, which comprises a frame structure, a medicine powder collecting funnel, a pull-out plate type feeding device and a spoon type feeding device, a rotary tube type feeding device and a linear type feeding device, and a medicine powder weighing mechanism. The first workbench is higher than the second workbench. The medicine powder collecting funnel is installed on the first workbench. The pull-out plate type feeding device and the spoon type feeding device are installed side by side on the first workbench and used for rapidly feeding the medicine powder collecting funnel. The rotary tube type feeding device and the linear type feeding device are installed side by side on the second workbench and used for finely feeding the medicine powder collecting funnel. The medicine powder weighing mechanism is arranged below the medicine powder collecting funnel and used for weighing the weight of the medicine powder. The transfer mechanism clamps the medicine powder on the medicine powder weighing mechanism and transfers the medicine powder to a tray structure. The high-precision medicine powder weighing device has high automation, high weighing precision and high efficiency, and is safe.

Description

Technical Field

[0001] This application relates to the field of pharmaceutical powder weighing equipment, and in particular to a high-precision pharmaceutical powder weighing equipment. Background Technology

[0002] When weighing gunpowder and other powders that require precise measurement, the strict requirements for the proportions necessitate a high degree of accuracy in each weighing process, making it difficult for ordinary weighing equipment to meet the preset standards. Summary of the Invention

[0003] To address the aforementioned technical problems, this application proposes a high-precision powder weighing device that can accurately and efficiently weigh sensitive powders.

[0004] The high-precision powder weighing device according to an embodiment of this application includes: The frame structure includes a first workbench and a second workbench, wherein the first workbench is higher than the second workbench; A powder collection funnel is installed on the first workbench; A pull-out feeding device and a spoon feeding device are installed side by side on the first workbench for quickly feeding the powder into the powder collection funnel; A rotary feeding device and a linear feeding device are installed side by side on the second workbench for fine feeding into the powder collection funnel; A powder weighing mechanism is located below the powder collection funnel and is used to weigh the powder. The transfer mechanism clamps the powder on the powder weighing mechanism and transfers it to the tray structure.

[0005] The high-precision powder weighing device according to the embodiments of this application has at least the following beneficial effects: The powder is rapidly fed into the powder collection funnel using a pull-plate feeding device and a spoon feeding device, while a rotary tube feeding device and a linear feeding device provide precise feeding into the powder collection funnel. This effectively improves the feeding accuracy and yield rate. The powder weighing mechanism and the transfer mechanism can operate automatically, reducing manual intervention and improving the safety of equipment operation.

[0006] In some embodiments of this application, the first workbench is equipped with a medicine cup clamping mechanism, which clamps the medicine cup vertically and moves it up and down to drive the medicine cup to move between the medicine powder collecting funnel and the medicine powder weighing mechanism.

[0007] In some embodiments of this application, the pull-out feeding device includes: The main structure has a through hole that penetrates the main structure, and a first slot and a second slot are respectively provided at both ends of the through hole, with the first slot located above the second slot; A first drawer plate is slidably installed in the first slot. The first drawer plate has a first through hole, the diameter of which is less than or equal to the diameter of the through hole. The second drawer plate is slidably installed in the second slot. The second drawer plate is provided with a second through hole, the diameter of which is less than or equal to the diameter of the through hole. A cover plate is detachably installed on the main structure and covers the first slot; the cover plate is equipped with a first feed funnel. The cover plate has a first mounting position and a second mounting position. When the cover plate is in the first mounting position, the first feed funnel is aligned with the through hole. When the cover plate is in the second mounting position, the first feed funnel is misaligned with the through hole.

[0008] In some embodiments of this application, the main structure further includes an adjustment hole that is radially connected to the through hole; the pull-plate type constant volume feeding device further includes an adjustment rod that is movably inserted through the adjustment hole and can extend into the through hole.

[0009] In some embodiments of this application, the spoon-type feeding device includes: The second base frame is equipped with a second feeding funnel. The discharge end of the second feeding funnel is provided with a beveled surface, and the discharge port is located on the beveled surface. The discharge baffle is hinged to the second base frame in the middle, and its first end can fit against the beveled surface to seal the discharge port. The third driving component drives the discharge baffle to rotate clockwise around the hinge point with the second base frame, so that the first end of the discharge baffle is in contact with the beveled surface and seals the discharge port; The fourth driving component drives the discharge baffle to rotate counterclockwise around the hinge point with the second base frame, so that the first end of the discharge baffle disengages from the inclined surface and opens the discharge port; The material cup is slidably mounted on the second base frame and positioned below the second feed funnel.

[0010] In some embodiments of this application, the third driving member is configured as an elastic member, and the two ends of the elastic member are respectively connected to the discharge baffle and the second base frame; The fourth driving component is configured as a telescopic structure, and the movable end of the telescopic structure abuts against the discharge baffle.

[0011] In some embodiments of this application, the first end of the discharge baffle is provided with a groove, and when the discharge baffle is in contact with the beveled surface, the groove is aligned with the discharge port; the diameter of the groove is larger than the diameter of the discharge port.

[0012] In some embodiments of this application, the second base frame is equipped with a second receiving box and a feeding structure, the feeding structure is slidably mounted on the second base frame, and the material cup is mounted on the feeding structure; the feeding structure drives the material cup to reciprocate between the second feeding funnel and the second receiving box; The feeding structure includes: The base is slidably mounted on the second base frame; A robotic arm is used to install the material cup; A rotating mechanism connects the base and the robotic arm; the rotating mechanism drives the robotic arm to rotate so as to pour the material in the material cup into the second receiving box.

[0013] In some embodiments of this application, the linear feeding device includes: The third frame is equipped with vibration equipment; A support structure is installed on the third base frame and can move and be fixed relative to the third base frame; A material conveying structure is installed on the vibrating device; A feed pipe is installed at the feed end of the conveying structure, and the feed pipe can move and be fixed relative to the conveying structure; The third feed funnel assembly is installed on the support structure and positioned above the conveying structure, and the third feed funnel assembly is aligned with the feed pipe; At least one material blocking structure is installed at the discharge end of the conveying structure, and the material blocking structure cooperates with the conveying structure to form a material passage hole; The material conveying structure includes: A support frame is connected to the vibration equipment; A straight groove is installed on the support frame; The support frame includes two opposing support plates, which are connected to the two side walls of the straight groove by fasteners.

[0014] In some embodiments of this application, the straight groove is configured as a V-shaped groove, the material passage hole is formed between the material blocking structure and the bottom of the straight groove, and / or, the material passage hole is formed between the material blocking structure and the wall of the straight groove; the cross-sectional shape of the material passage hole is configured as one or more of the following: circular, semi-circular, polygonal, and elongated.

[0015] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0016] The present application will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the axonal structure at a first angle according to an embodiment of this application; Figure 2 This is a schematic diagram of the axonal structure from the second angle of an embodiment of this application; Figure 3 for Figure 1 A schematic diagram of the isometric structure of the centrally mounted plate feeding device in the first installation position; Figure 4 for Figure 3 Cross-sectional view of the centrally operated plate-type feeding device; Figure 5 for Figure 3 A schematic diagram of the isometric structure of the centrally mounted plate feeding device in the first installation position; Figure 6 for Figure 5 Schematic diagram of the middle cover plate; Figure 7 for Figure 5 A schematic diagram of the structure of the first drawer plate; Figure 8 for Figure 1 A schematic diagram of the isometric structure of the spoon-type feeding device; Figure 9 for Figure 8 Cross-sectional view of the spoon-type feeding device; Figure 10 for Figure 9 Enlarged view of point A in the middle; Figure 11 for Figure 8 A schematic diagram of the other side of the spoon-type feeding device; Figure 12 for Figure 11 Enlarged view of point B in the middle; Figure 13 for Figure 1 A schematic diagram of the isometric structure of a linear feeding device; Figure 14 for Figure 13 A front view of the first type of baffle structure in a linear feeding device; Figure 15 for Figure 13 A front view of the second type of baffle structure in a linear feeding device; Figure 16 for Figure 13 A front view of the third type of baffle structure in a linear feeding device.

[0017] Icon labels: Frame structure 1000, first workbench 1100, powder collection funnel 1110, second workbench 1200, powder weighing mechanism 1300, transfer mechanism 1400, medicine cup clamping mechanism 1500; The components include: a pull-out feeding device 2000, a first base frame 2100, a clamping structure 2110, a first receiving box 2120, a guide rail 2130, a main structure 2200, a through hole 2210, a first slot 2211, a second slot 2212, an adjusting hole 2220, a first pull-out plate 2300, a first through hole 2301, a first connecting piece 2310, a first driving piece 2320, a second pull-out plate 2400, a second connecting piece 2410, a second driving piece 2420, a cover plate 2500, a first feeding funnel 2510, a positioning piece 2520, a third through hole 2530, an adjusting rod 2600, and a third driving piece 2610. The components include: a spoon-type feeding device 3000, a second base frame 3100, a second feeding funnel 3110, a beveled surface 3111, a discharge port 3112, a second receiving box 3120, a scraper 3130, a waste box 3140, a striking structure 3150, a discharge baffle 3200, a third driving component 3210, a fourth driving component 3220, a groove 3230, a feeding structure 3300, a base 3310, a rotating mechanism 3320, a robotic arm 3330, a material cup 3331, a guide rod 3332, a limiting plate 3340, and a limiting structure 3341. 4000 rotary tube feeding device; Linear feeding device 5000, third base frame 5100, vibrating device 5110, support structure 5200, material conveying structure 5300, support frame 5310, support plate 5311, straight trough 5320, edge 5321, feed pipe 5400, third feed funnel assembly 5500, bottom plate 5510, funnel structure 5520, pull plate structure 5530, material blocking structure 5600, material passage hole 5610, ear 5620. Detailed Implementation

[0018] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0019] In the description of this application, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0020] In the description of this application, "multiple" refers to two or more. The use of "first" and "second" is for the purpose of distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features indicated, or the order in which the technical features are indicated.

[0021] In the description of this application, unless otherwise expressly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this application in conjunction with the specific content of the technical solution.

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. The embodiments of this application may omit unnecessary detailed descriptions. For example, detailed descriptions of well-known matters and repeated descriptions of actually identical structures may be omitted. This is to avoid making the following description unnecessarily lengthy and to facilitate understanding by those skilled in the art.

[0023] In this application, the technical features described in an open-ended manner include both closed technical solutions consisting of the listed features and open technical solutions that include the listed features.

[0024] Reference Figure 1 , Figure 2 As shown, this application discloses a high-precision powder weighing device, including a first workbench 1100, a second workbench 1200, a powder collecting funnel 1110, and a powder weighing mechanism 1300. The powder collecting funnel 1110 is fixedly installed on the first workbench 1100 and is mainly used to receive and temporarily store the powder to be weighed; the powder weighing mechanism 1300 is located below the powder collecting funnel 1110 and is used to accurately measure the weight of the powder falling into it, ensuring high accuracy and stability of each weighing result.

[0025] Reference Figure 1 , Figure 2As shown, each of the first workbench 1100 and the second workbench 1200 has two parallel installation positions. The first workbench 1100 is usually equipped with a coarse feeding device, such as a pull-out plate feeding device 2000 or a spoon feeding device 3000. These devices can quickly add a large amount of powder into the powder collection funnel 1110, realizing a preliminary and efficient feeding process. The second workbench 1200 is equipped with a fine feeding device, such as a rotary tube feeding device 4000 or a linear feeding device 5000. If the powder weight is not yet at the preset standard after the coarse feeding is completed, the fine feeding device will be activated to replenish the powder in a small and gradual manner until the weight fully meets the requirements.

[0026] Considering that the weighing device of this application embodiment is mainly applicable to highly sensitive and dangerous powders such as gunpowder, a special powder cup clamping mechanism 1500 is designed in the weighing device of this application to ensure the safety of the operation process. The powder cup clamping mechanism 1500 is installed on the first worktable 1100 and can firmly clamp the powder cup and drive it to perform vertical lifting and lowering movements. Specifically, the powder cup clamping mechanism 1500 first clamps the powder cup and raises it to an appropriate position to receive the powder falling from the powder collection funnel 1110; after receiving the powder, it clamps the powder cup and lowers it to place it smoothly on the powder weighing mechanism 1300 for accurate weight measurement.

[0027] In addition, the weighing device of this application is also equipped with a transfer mechanism 1400, which is slidably mounted on the frame structure 1000 of the device. The main function of the transfer mechanism 1400 is to clamp the weighed medicine cups and safely transfer them to the designated tray structure; at the same time, it can also retrieve empty medicine cups from the tray and transfer them to the powder weighing mechanism 1300, realizing the automated recycling of medicine cups and greatly improving work efficiency.

[0028] It is important to understand that the combination of feeding devices can be flexibly selected based on the physical properties of different types of pharmaceutical powders. For example, a combination of a pull-out plate feeding device 2000 and a rotary tube feeding device 4000, or a combination of a pull-out plate feeding device 2000 and a linear feeding device 5000, or a combination of a spoon feeding device 3000 and a rotary tube feeding device 4000, or a combination of a spoon feeding device 3000 and a linear feeding device 5000, etc. It is noteworthy that the two coarse feeding devices installed on the first worktable 1100 can be interchanged according to actual needs. Similarly, the two fine feeding devices on the second worktable 1200 also support position interchangeability, further enhancing the adaptability and operational flexibility of the equipment.

[0029] In other embodiments, the weighing device of this example can also be expanded to include two powder collection funnels 1110, two powder weighing mechanisms 1300, two medicine cup clamping mechanisms 1500, and two transfer mechanisms 1400. This dual-system configuration enables the device to perform independent weighing operations of two different powders simultaneously, which not only significantly improves production efficiency but also provides an ideal solution for the weighing needs of multiple varieties and small batches of powders.

[0030] In some embodiments of this application, reference is made to Figures 3 to 7 As shown, the pull-out feeding device 2000 mainly includes a main structure 2200, a first pull-out plate 2300, a second pull-out plate 2400, and a cover plate 2500. The main structure 2200 has a through hole 2210 that runs through the entire structure. A first slot 2211 and a second slot 2212 are respectively provided at both ends of the through hole 2210, with the first slot 2211 located above the second slot 2212. The first pull-out plate 2300 is slidably installed in the first slot 2211 and has a first through hole 2301, the diameter of which is less than or equal to the diameter of the through hole 2210. Similarly, the second pull-out plate 2400 is slidably installed in the second slot 2212 and has a second through hole, the diameter of which is also less than or equal to the diameter of the through hole 2210. The cover plate 2500 is detachably installed on the upper part of the main structure 2200 and covers the first slot 2211. A first feed funnel 2510 is also fixedly installed on the cover plate 2500 for feeding powder into the device.

[0031] Furthermore, referring to Figure 7 As shown, the first drawer plate 2300 and the second drawer plate 2400 preferably adopt the same design in shape and structure. This standardized design can effectively reduce the production cost of the device. At the same time, the diameters of the first through hole 2301 and the second through hole are also preferably set to be equal to further improve the versatility of the device and the interchangeability of components. The cover plate 2500 has two different mounting positions, namely the first mounting position and the second mounting position. When the cover plate 2500 is in... Figure 3 , Figure 4 In the first installation position shown, the first feed hopper 2510 is aligned with the through hole 2210 of the main structure 2200; while when the cover plate 2500 is in the position shown... Figure 5In the second installation position shown, the first feed funnel 2510 is offset from the through hole 2210. By adjusting the installation position of the cover plate 2500, which can flexibly switch between the first and second installation positions, this device can achieve two different feeding modes: in the first mode, the first drawer plate 2300 and the second drawer plate 2400 operate alternately, and the amount of material fed at one time is the volume of the through hole 2210; in the second mode, only the first drawer plate 2300 operates, while the second drawer plate 2400 remains stationary, and the amount of material fed at one time is the volume of the first through hole 2301. This design significantly improves the applicability of the feeding device and can adapt to the precise weighing requirements of different weights of medicinal powder.

[0032] Reference Figure 6 As shown, the cover plate 2500 is also provided with a third through hole 2530, which is aligned with the first feed funnel 2510 to ensure that the powder can smoothly pass through the funnel into the device.

[0033] The specific work process is as follows: (Refer to...) Figure 3 and Figure 4 As shown, when the cover plate 2500 is in the first mounting position, the second drawer plate 2400 first moves to a position where its second through hole and the through hole 2210 are offset, while the first drawer plate 2300 moves to a position where its first through hole 2301 is aligned with the through hole 2210. At this time, the powder in the first feed funnel 2510 enters the through hole 2210 through the first through hole 2301. After the through hole 2210 is filled with powder, the first drawer plate 2300 moves to a position where the first through hole 2301 and the through hole 2210 are offset, while the second drawer plate 2400 moves to a position where the second through hole and the through hole 2210 are aligned, causing the powder in the through hole 2210 to fall downwards. Through this series of actions, the device can precisely control the amount of powder falling each time to be equal to the volume of the through hole 2210.

[0034] Reference Figure 5 As shown, when the cover plate 2500 is switched to the second mounting position, the second pull plate 2400 remains in the position where its second through hole aligns with the through hole 2210, while the first pull plate 2300 moves so that its first through hole 2301 is directly below the first feed funnel 2510 to receive the powder. Subsequently, the first pull plate 2300 moves to the position where the first through hole 2301 aligns with the through hole 2210, causing the powder in the first through hole 2301 to fall downwards. In this mode, the amount of powder falling each time is equal to the volume of the first through hole 2301.

[0035] In summary, the volumetric feeding device provided in this application has two feeding modes: a dual-plate coordinated operation mode and a single-plate operation mode. These two modes can be used to weigh powders of different weights at a constant volume, thereby greatly expanding the applicability and application flexibility of the device.

[0036] In some embodiments of this application, reference is made to Figure 3 As shown, the first drawer 2300 is connected to the first drive member 2320 via the first connector 2310, and / or the second drawer 2400 is connected to the second drive member 2420 via the second connector 2410. The first connector 2310 specifically includes a first head plate and a first tail plate, wherein the first head plate is snapped and fixed to the first drawer 2300, and the first tail plate is snapped and connected to the first drive member 2320. Similarly, the second connector 2410 also includes a second head plate and a second tail plate, the second head plate being snapped to the second drawer 2400, and the second tail plate being snapped to the second drive member 2420. This snap-fit ​​method provides greater flexibility, facilitating disassembly, maintenance, or replacement. The first drive member 2320 and the second drive member 2420 preferably employ the same drive structure, such as a pneumatic telescopic structure, a hydraulic telescopic structure, or an electric telescopic structure, to simplify the device structure and improve reliability.

[0037] In some embodiments of this application, reference is made to Figure 3 , Figure 5 As shown, the pull-out feeding device 2000 also includes a first base frame 2100, on which a guide rail 2130 is mounted. A first connecting member 2310 and / or a second connecting member 2410 are slidably mounted on the guide rail 2130. Preferably, two guide rails 2130 are simultaneously provided on the first base frame 2100, and the first connecting member 2310 and the second connecting member 2410 are slidably mounted on the two guide rails 2130 respectively. The guide rails 2130 ensure that the first pull plate 2300 and the second pull plate 2400 always maintain stable horizontal sliding, thereby significantly improving the stability and accuracy of the pull-out action.

[0038] In some embodiments of this application, reference is made to Figure 3 , Figure 5 As shown, the first drawer plate 2300 and the second drawer plate 2400 are both arranged on the first side of the length direction of the main structure 2200. The second side of the length direction of the main structure 2200 is provided with a first receiving box 2120. The first receiving box 2120 is used to receive the powder that falls from the first slot 2211 and the second slot 2212 during the operation of the first drawer plate 2300 and the second drawer plate 2400, so as to keep the working environment clean and facilitate the collection of powder.

[0039] In some embodiments of this application, to facilitate daily maintenance and operation of the equipment, the main structure 2200 and the first base frame 2100 in this embodiment are also connected in a detachable manner. (Refer to...) Figure 3 and Figure 5 As shown, at least one clamping structure 2110 is installed on the first base frame 2100; after the main structure 2200 is inserted into the first base frame 2100, the clamping structure 2110 firmly clamps the main structure 2200 onto the first base frame 2100. The clamping structure 2110 can be a manual clamping structure 2110 or an electric clamping structure 2110, depending on actual needs, and is not specifically limited in this application.

[0040] In some embodiments, to further enhance the applicability and functional flexibility of the feeding device involved in this application, the main structure 2200 is also designed with an adjustment hole 2220, which is radially connected to the through hole 2210. Simultaneously, the pull-out type feeding device 2000 is also equipped with an adjustment rod 2600, which is movably inserted into the adjustment hole 2220 and can extend into the through hole 2210 as needed. Specifically, referring to... Figure 5 As shown, the adjusting rod 2600 is connected to a third driving component 2610. Through the control of the third driving component 2610, the depth of the adjusting rod 2600 entering the through hole 2210 can be precisely controlled, thereby achieving continuous or segmented adjustment of the effective volume of the through hole 2210. This design enables the feeding device of this application to adapt to the quantitative weighing requirements of different weights of medicinal powder in the dual-plate cooperative working mode, significantly improving the versatility and efficiency of the equipment.

[0041] In other implementations, such as Figure 3 and Figure 5 As shown, a positioning element 2520 is also installed on the cover plate 2500 for quickly pre-positioning the first feed funnel 2510, thereby significantly improving the assembly efficiency and accuracy of the first feed funnel 2510. Furthermore, the connection between the cover plate 2500 and the main structure 2200 is preferably achieved using fasteners, such as bolts, to ensure the stability of the overall structure and the convenience of disassembly and maintenance.

[0042] In some embodiments of this application, reference is made to Figures 8 to 12 As shown, the spoon-type feeding device 3000 mainly includes core components such as a second base frame 3100, a second feeding funnel 3110, a discharge baffle 3200, and a material cup 3331. (Refer to...) Figure 10As shown, the second feed funnel 3110 is fixedly installed on the second base frame 3100. The discharge end of the second feed funnel 3110 adopts a specially designed oblique surface 3111 structure, and the discharge port 3112 is set on the oblique surface 3111 to facilitate the smooth falling of the powder and reduce clogging. The middle part of the discharge baffle 3200 is connected to the second base frame 3100 by a hinge. The first end of the discharge baffle 3200 can fit tightly with the oblique surface 3111 to achieve effective sealing of the discharge port 3112, and the second end is connected to the third drive member 2610 and the fourth drive member respectively. The third driving component 2610 is used to drive the discharge baffle 3200 to rotate clockwise around the hinge point, so that the first end of the baffle presses against the oblique surface 3111 and closes the discharge port 3112; the fourth driving component drives the discharge baffle 3200 to rotate counterclockwise, so that the first end disengages from the oblique surface 3111 and opens the discharge port 3112.

[0043] Reference Figure 8 , Figure 9 As shown, the material cup 3331 is installed on the second base frame 3100 through a sliding mechanism and is precisely positioned directly below the second feed funnel 3110 to receive the powder discharged from the discharge port 3112.

[0044] In some embodiments of this application, such as Figure 10 As shown, the third driving component 2610 preferably adopts an elastic element, such as a coil spring or other component with elastic recovery function. The two ends of the elastic element are connected to the discharge baffle 3200 and the second base frame 3100 respectively, and the elastic force is used to realize the automatic reset and sealing of the discharge baffle 3200.

[0045] In some embodiments of this application, combined with Figure 8 and Figure 9 As shown, the fourth driving component can be implemented using a telescopic structure, such as a telescopic cylinder, hydraulic cylinder, or electric push rod. The movable end of this telescopic structure abuts against the discharge baffle 3200. When it extends, it can push the discharge baffle 3200 to rotate counterclockwise to open the discharge port 3112. At this time, the elastic element is in a compressed and energy-storing state. When the movable end retracts, the elastic element releases the stored energy, pushing the discharge baffle 3200 to rotate clockwise, thus resealing the discharge port 3112.

[0046] To further optimize equipment performance and service life, this application recommends that the movable end of the telescopic structure be made of flexible materials, such as engineering plastics or rubber, in specific implementation. This can effectively prevent rigid impact between the discharge baffle 3200 and the movable end during the reset process, reduce wear on parts, and at the same time, the flexible material can also play a buffering role to prevent vibration caused by elastic rebound after the discharge baffle 3200 is attached to the beveled surface 3111, thereby improving sealing stability.

[0047] The spoon-type feeding device 3000 provided in this application has several advantages: by setting a beveled surface 3111 structure at the discharge end of the second feed funnel 3110 and arranging the discharge port 3112 on it, it not only facilitates the rapid discharge of the powder, but also significantly reduces the risk of powder getting stuck at the junction of the baffle and the funnel, especially when handling sensitive powders, it can greatly improve operational safety. The synergistic effect of the third drive component 2610 and the fourth drive component realizes automated quantitative feeding, the process is stable and controllable, and no manual intervention is required, which not only ensures operational efficiency, but also improves overall safety.

[0048] In some embodiments of this application, such as Figure 10 As shown, the first end of the discharge baffle 3200 is also provided with a groove 3230 structure. When the discharge baffle 3200 is fitted and sealed with the beveled surface 3111, the groove 3230 is aligned with the discharge port 3112, and its diameter is slightly larger than the aperture of the discharge port 3112. This design can further prevent fine powder particles from embedding into the sealing surface, thereby eliminating the risk of accidents caused by friction or compression, and is especially suitable for handling sensitive powders such as flammable and explosive powders.

[0049] In some embodiments of this application, reference is made to Figure 8 , Figure 9 As shown, a second receiving box 3120 and a feeding structure 3300 are also installed on the second base frame 3100. The feeding structure 3300 is slidably disposed on the second base frame 3100, and the material cup 3331 is installed on the feeding structure 3300. The feeding structure 3300 drives the material cup 3331 to reciprocate between the second feed funnel 3110 and the second receiving box 3120. Specifically, the feeding structure 3300 includes a base 3310, a rotating mechanism 3320, and a robotic arm 3330. The base 3310 is slidably mounted on the second base frame 3100, the rotating mechanism 3320 is fixed to the base 3310, the robotic arm 3330 is mounted on the rotating mechanism 3320, and the material cup 3331 is fixed to the end of the robotic arm 3330. The horizontal movement of the base 3310 delivers the material cup 3331 to the bottom of the second feeding funnel 3110 for receiving material, and then transports it to the top of the second receiving box 3120. The rotating mechanism 3320 drives the robotic arm 3330 to rotate, causing the material cup 3331 to tilt and pour material into the second receiving box 3120. The second receiving box 3120 is typically equipped with a weighing sensor to achieve quantitative material receiving. After pouring is completed, the robotic arm 3330 resets, and the material cup 3331 returns to the receiving station.

[0050] Furthermore, to adapt to different production needs, the capacity of the material cup 3331 can be selected as required, and the robotic arm 3330 has the ability to grip material cups 3331 of different specifications. For material cups 3331 with different capacities, the single discharge amount can be controlled by adjusting the movement speed of the fourth drive component, thereby achieving flexible weight adjustment.

[0051] To ensure the accuracy and consistency of the material feeding action, a limit structure 3341 is also provided in the feeding mechanism. For example... Figure 11 and Figure 12 As shown, the robotic arm 3330 is equipped with a radially protruding guide rod 3332. This guide rod 3332 cooperates with a limiting structure 3341 fixed on a limiting plate 3340 to precisely limit the rotation angle of the robotic arm 3330. The limiting plate 3340 is sleeved on the outside of the robotic arm 3330 and slidably mounted on the second base frame 3100. When the rotating mechanism 3320 drives the robotic arm 3330 to rotate to the set angle, the guide rod 3332 contacts the limiting structure 3341, preventing the robotic arm 3330 from rotating further, ensuring that the tilt angle of the material cup 3331 meets the pouring requirements, and improving the reliability of the system operation. The rotation angle of the material cup 3331 has been precisely calculated and fully verified to ensure that when the material cup 3331 performs the pouring action, all the powder contained inside can be poured completely and smoothly into the second receiving box 3120 without the powder being spilled or splashed outside the second receiving box 3120 due to excessive rotation angle. This effectively ensures the integrity and cleanliness of the powder transfer process. The limiting structure 3341, as a key component for achieving this precise control, can adopt various mechanical or mechatronic technical solutions according to different application scenarios and actual needs. Its specific form and implementation method are not strictly limited in this embodiment.

[0052] In some specific embodiments of this application, a slide rail is installed on the second base frame 3100, and the limiting plate 3340 is installed on the slide rail by sliding fit to achieve smooth movement along a predetermined path, thereby effectively constraining the rotation range of the material cup 3331.

[0053] In some embodiments of this application, a scraper 3130 structure is also fixedly installed on the second base frame 3100, as shown in the reference. Figure 8 , Figure 9 As shown, the scraper 3130 is precisely positioned along the movement path of the material cup 3331. The main function of the scraper 3130 is to level the powder accumulated on the surface of the material cup 3331 when it reaches a specific station, ensuring that the weight of the powder poured into the second receiving box 3120 remains consistent each time, thus improving the accuracy and stability of quantitative feeding. The scraper 3130 is preferably made of plastic, rubber, or other materials with a certain degree of flexibility. This design avoids damage to sensitive powders or other safety risks.

[0054] In some embodiments of this application, a dedicated waste collection box is provided directly below the second feed hopper 3110, and the projection of the scraper 3130 on the horizontal plane falls entirely within the projection area of ​​the waste box 3140 on the horizontal plane. See details for further information. Figure 9 As shown, when the scraper 3130 performs the leveling operation, a small amount of powder will inevitably scatter. To minimize powder waste and prevent equipment or environmental pollution, the waste box 3140 is provided to collect and hold the excess powder scraped off. Furthermore, as... Figure 8 As shown, the waste box 3140 is preferably equipped with an easy-to-operate handle structure, which makes it convenient for operators to regularly remove the waste box 3140 and clean the accumulated waste inside, so as to maintain the continuous and efficient operation of the equipment.

[0055] In some embodiments of this application, reference is made to Figure 8 , Figure 9 As shown, a striking structure 3150 is also installed on the second base frame 3100. The striking structure 3150 is located on the outer wall of the second feed hopper 3110. Its function is to effectively prevent the powder from sticking or being suspended on the inner wall of the hopper through periodic or triggered striking actions, so as to ensure that the feeding process of the second feed hopper 3110 is continuous and smooth and avoid blockage.

[0056] In some embodiments of this application, the rotary feeding device 4000 preferably adopts a device similar to the high-precision rapid weighing device for explosives in application number 9.

[0057] In some embodiments of this application, reference is made to Figure 13 As shown, the linear vibrating feeding device mainly includes a third base frame 5100, a support structure 5200, a conveying structure 5300, a feed pipe 5400, and a second feed funnel 3110 assembly. The third base frame 5100 bears the weight of the entire device and maintains structural stability. A vibrating device 5110, providing a vibration force source, is mounted on the third base frame 5100. The support structure 5200 is mounted on the third base frame 5100 and can be flexibly adjusted and reliably fixed relative to the third base frame 5100 to adapt to different installation and operational requirements. The conveying structure 5300 is directly mounted on the vibrating device 5110, using vibration to achieve directional conveying of the powder.

[0058] Reference Figure 13 As shown, the feed pipe 5400 is located at the feed port of the conveying structure 5300. The feed pipe 5400 can be moved appropriately relative to the conveying structure 5300 and eventually fixed, facilitating adjustment of the feed position. The second feed funnel 3110 assembly is fixed on the support structure 5200 and suspended above the conveying structure 5300, ensuring that its outlet 3112 is aligned with the feed pipe 5400 to achieve smooth supply of the powder.

[0059] At least one baffle structure 5600 is installed at the discharge end of the conveying structure 5300. The baffle structure 5600 cooperates with the conveying structure 5300 to define one or more material passages 5610 for controlling the size and speed of the powder flow. When multiple baffle structures 5600 are provided, they are arranged evenly or at intervals along the length of the conveying structure 5300 to provide more flexible discharge control.

[0060] In some embodiments of this application, the material conveying structure 5300 further includes a support frame 5310 and a straight trough 5320. The support frame 5310 is connected to the vibration device 5110 and is responsible for transmitting vibration force; the straight trough 5320 is mounted on the support frame 5310, and the cross-sectional shape of the straight trough 5320 preferably adopts a V-shaped groove structure to optimize the guiding accuracy of the powder. The support frame 5310 includes two opposing support plates 5311, and the two support plates 5311 are respectively firmly connected to the two side walls of the straight trough 5320 by bolts or other fasteners to ensure structural stability and facilitate disassembly and maintenance.

[0061] like Figure 13 As shown, the two support plates 5311 are inclined to correspond to the straight groove 5320, so that the inclination angle of the support plates 5311 matches the side wall of the V-shaped groove, which enhances the overall coordination of the structure and the accuracy of powder guidance.

[0062] Regarding the formation method of the feed hole 5610, in some embodiments, such as Figure 14 and Figure 16 As shown, at least one feed hole 5610 is formed by the gap between the baffle structure 5600 and the bottom of the straight groove 5320. Its cross-sectional shape can be designed as circular, semi-circular, or elongated, etc., to adapt to the flow characteristics of different powders. In other embodiments, such as... Figure 15 As shown, the material passage 5610 can also be formed between the baffle structure 5600 and the groove wall of the straight groove 5320, and its cross-sectional shape can also be polygonal, etc., to provide a richer material discharge control method.

[0063] Furthermore, referring to Figures 14 to 16 As shown, the edge of the straight groove 5320 may be provided with a radially protruding edge 5321 structure, and the baffle structure 5600 is provided with a corresponding ear 5620. The edge 5321 and the ear 5620 are connected by fasteners such as bolts. This not only makes the structure stable and easy to disassemble, but also effectively avoids contamination of the powder because the edge 5321 protrudes from the straight groove 5320.

[0064] In some embodiments of this application, such as Figure 13As shown, the second feeding funnel 3110 assembly specifically includes a base plate 5510, a funnel structure 5520, and a pull-out plate structure 5530. The base plate 5510 is connected to two support structures 5200 at both ends, providing support. The funnel structure 5520 is mounted on the base plate 5510 and is used to temporarily store and guide the powder. The pull-out plate structure 5530 is located at the outlet 3112 of the funnel structure 5520 and is used for manual or automatic control of the powder feeding and cutting. The specific implementation of the pull-out plate structure 5530 can be flexibly selected according to actual application requirements and is not limited in this embodiment.

[0065] In some embodiments of this application, the conveying structure 5300 is typically installed at an angle, such that the inlet end of the conveying structure 5300 is higher than the outlet end, thereby utilizing gravity to assist the flow of the powder and improving conveying efficiency.

[0066] In some embodiments of this application, the vibration device 5110 is detachably mounted on the third base frame 5100, facilitating the replacement of suitable vibration source devices according to the characteristics of the powder, thereby improving the application flexibility and maintenance convenience of the entire device. The second feed funnel 3110 assembly is connected to the support structure 5200 by fasteners and is designed to be adjustable and fixed relative to the conveying structure 5300, thus adapting to vibration devices 5110 of different models and heights, enhancing the versatility and adaptability of the device.

[0067] The linear vibrating feeding device disclosed in this application, through the cooperation of the baffle structure 5600 and the linear groove 5320, can effectively control the position and cross-sectional area of ​​the discharge hole, making it suitable for different powders and achieving precise control of the feeding speed; the design of the V-shaped linear groove 5320 further optimizes the powder guiding accuracy; the adjustable position design of the feed pipe 5400 and the second feed funnel 3110 assembly significantly improves the adaptability and feeding accuracy of the entire system, and the overall structure is reasonable, with advantages such as convenient adjustment and precise control.

[0068] Throughout this specification, references to "implementation method," "partial implementation method," "one implementation method," "another method," "specific method," or "partial method" mean that at least one implementation method or embodiment in this application includes the specific features, structures, materials, or characteristics described in that implementation method or embodiment.

[0069] In this application, numerical ranges are involved. Unless otherwise specified, the numerical ranges mentioned above are considered continuous and include the minimum and maximum values ​​of the range, as well as every value between the minimum and maximum values. Any lower limit can be combined with any upper limit to form an unspecified range; and any lower limit can be combined with other lower limits to form an unspecified range, just as any upper limit can be combined with any other upper limit to form an unspecified range. Furthermore, each individually disclosed point or single value can itself serve as a lower or upper limit and be combined with any other point or single value or with other lower or upper limits to form an unspecified range.

[0070] Although illustrative embodiments have been demonstrated and described, those skilled in the art should understand that the above embodiments should not be construed as limiting the present application, and that changes, substitutions and modifications can be made to the embodiments without departing from the spirit, principles and scope of the present application.

Claims

1. A high-precision pharmaceutical powder weighing device, characterized in that, include: The frame structure includes a first workbench and a second workbench, wherein the first workbench is higher than the second workbench; A powder collection funnel is installed on the first workbench; A pull-out feeding device and a spoon feeding device are installed side by side on the first workbench for quickly feeding the powder into the powder collection funnel; A rotary feeding device and a linear feeding device are installed side by side on the second workbench for fine feeding into the powder collection funnel; A powder weighing mechanism is located below the powder collection funnel and is used to weigh the powder. The transfer mechanism clamps the powder on the powder weighing mechanism and transfers it to the tray structure.

2. The high-precision pharmaceutical powder weighing device according to claim 1, characterized in that, The first workbench is equipped with a medicine cup clamping mechanism, which clamps the medicine cup vertically and lifts it up and down to drive the medicine cup to move between the medicine powder collecting funnel and the medicine powder weighing mechanism.

3. The high-precision powder weighing device according to claim 1, characterized in that, The pull-out type feeding device includes: The main structure has a through hole that penetrates the main structure, and a first slot and a second slot are respectively provided at both ends of the through hole, with the first slot located above the second slot; A first drawer plate is slidably installed in the first slot. The first drawer plate has a first through hole, the diameter of which is less than or equal to the diameter of the through hole. The second drawer plate is slidably installed in the second slot. The second drawer plate is provided with a second through hole, the diameter of which is less than or equal to the diameter of the through hole. A cover plate is detachably installed on the main structure and covers the first slot. The cover plate is equipped with a first feed funnel. The cover plate has a first mounting position and a second mounting position. When the cover plate is in the first mounting position, the first feed funnel is aligned with the through hole. When the cover plate is in the second mounting position, the first feed funnel is misaligned with the through hole.

4. The high-precision powder weighing device according to claim 3, characterized in that, The main structure also includes an adjustment hole, which is radially connected to the through hole; the pull-plate type constant volume feeding device also includes an adjustment rod, which is movably inserted through the adjustment hole and can extend into the through hole.

5. The high-precision powder weighing device according to claim 1, characterized in that, The spoon-type feeding device includes: The second base frame is equipped with a second feeding funnel. The discharge end of the second feeding funnel is provided with a beveled surface, and the discharge port is located on the beveled surface. The discharge baffle is hinged to the second base frame in the middle, and its first end can fit against the beveled surface to seal the discharge port. The third driving component drives the discharge baffle to rotate clockwise around the hinge point with the second base frame, so that the first end of the discharge baffle is in contact with the beveled surface and seals the discharge port; The fourth driving component drives the discharge baffle to rotate counterclockwise around the hinge point with the second base frame, so that the first end of the discharge baffle disengages from the inclined surface and opens the discharge port; The material cup is slidably mounted on the second base frame and positioned below the second feed funnel.

6. The high-precision pharmaceutical powder weighing device according to claim 5, characterized in that, The third driving component is configured as an elastic component, and the two ends of the elastic component are respectively connected to the discharge baffle and the second base frame; The fourth driving component is configured as a telescopic structure, and the movable end of the telescopic structure abuts against the discharge baffle.

7. The high-precision powder weighing device according to claim 6, characterized in that, The first end of the discharge baffle is provided with a groove. When the discharge baffle is in contact with the beveled surface, the groove is aligned with the discharge port. The diameter of the groove is larger than the diameter of the discharge port.

8. The high-precision pharmaceutical powder weighing device according to claim 5, characterized in that, The second base frame is equipped with a second receiving box and a feeding structure. The feeding structure is slidably installed on the second base frame, and the material cup is installed on the feeding structure. The feeding structure drives the material cup to reciprocate between the second feeding funnel and the second receiving box; The feeding structure includes: The base is slidably mounted on the second base frame; A robotic arm is used to install the material cup; A rotating mechanism connects the base and the robotic arm; the rotating mechanism drives the robotic arm to rotate so as to pour the material in the material cup into the second receiving box.

9. The high-precision powder weighing device according to claim 1, characterized in that, The linear feeding device includes: The third frame is equipped with vibration equipment; A support structure is installed on the third base frame and can move and be fixed relative to the third base frame; A material conveying structure is installed on the vibrating device; A feed pipe is installed at the feed end of the conveying structure, and the feed pipe can move and be fixed relative to the conveying structure; The third feed funnel assembly is installed on the support structure and positioned above the conveying structure, and the third feed funnel assembly is aligned with the feed pipe; At least one material blocking structure is installed at the discharge end of the conveying structure, and the material blocking structure cooperates with the conveying structure to form a material passage hole; The material conveying structure includes: A support frame is connected to the vibration equipment; A straight groove is installed on the support frame; The support frame includes two opposing support plates, which are connected to the two side walls of the straight groove by fasteners.

10. The high-precision pharmaceutical powder weighing device according to claim 9, characterized in that, The straight groove is configured as a V-shaped groove, and the material passage hole is formed between the material blocking structure and the bottom of the straight groove, and / or, the material passage hole is formed between the material blocking structure and the wall of the straight groove; the cross-sectional shape of the material passage hole is configured as one or more of the following: circular, semi-circular, polygonal, and elongated.

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