Automatic weighing device for trace solids
By designing an automatic weighing device for micro-solids, which utilizes a robotic arm and an antistatic module to achieve automatic weighing and dispensing of solids, the problem of time-consuming and labor-intensive weighing and dispensing in high-throughput chemical synthesis is solved, promoting full-process automation and intelligence.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2026-03-06
AI Technical Summary
In high-throughput chemical synthesis processes, the solid weighing and dispensing operations in existing technologies are time-consuming and labor-intensive, making it difficult to achieve full automation and intelligence.
An automatic weighing device for micro-solids was designed, including a placing platform, a weighing component, a moving component, a storage component, an anti-static module, and a robotic arm component. The robotic arm automatically grips and moves the solids to achieve weighing and dispensing. The anti-static module eliminates the influence of static electricity.
The entire process of solid weighing and dispensing has been automated, improving the efficiency and intelligence of high-throughput chemical synthesis and ensuring that solids are successfully dispensed into the weighing carrier.
Smart Images

Figure CN223976729U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chemical experimental equipment technology, and in particular to an automatic weighing device for trace solids. Background Technology
[0002] High-throughput chemical synthesis is a highly efficient, rapid, and high-yield method for chemical synthesis. By using high-throughput and automated technologies, it can process thousands of different reactions simultaneously, greatly improving the yield and efficiency of compounds.
[0003] In the process of high-throughput chemical synthesis, it is necessary to use a weighing balance to weigh the solid and manually dispense it into the various reaction holes of the weighing carrier. This method is not only time-consuming and labor-intensive, but also not conducive to the promotion of full automation and intelligence of the high-throughput chemical synthesis process.
[0004] In summary, there is an urgent need for an automatic weighing device for trace solids to solve the problems existing in related technologies. Utility Model Content
[0005] To address the aforementioned problems, this utility model discloses an automatic weighing device for micro-solids, comprising a placing platform, a weighing component, a moving component, a storage component, a weighing carrier, an anti-static module, and a robotic arm component.
[0006] The platform is equipped with a weighing component, a moving component, a storage component, an anti-static module, and a weighing carrier; the moving component is equipped with a robotic arm component.
[0007] Preferably, the robotic arm assembly includes a first robotic arm and a second robotic arm; the first robotic arm is used to hold the weighing carrier; the second robotic arm is used to hold the storage assembly and provide power to it.
[0008] Preferably, the storage assembly includes a placement rack on the placement platform and a plurality of hoppers on the placement rack. The hoppers include a transmission component, a gear component, a fixing block, a sealing component, a stirring component, and a material cylinder.
[0009] The gear component is disposed between the fixed block and the sealing component, and the sealing component is connected to the material cylinder;
[0010] The transmission component includes a first transmission component and a second transmission component. The stirring component includes a first stirring component and a second stirring component disposed inside the material cylinder. The second transmission component passes through the fixed block and is connected to the second stirring component through a gear component. The first transmission component passes through the second transmission component, the gear component, and the sealing component and is connected to the first stirring component.
[0011] The free end of the agitator is provided with a material discharge structure, and the material cylinder is provided with a discharge port. The shape of the discharge port matches the material discharge structure to realize the opening or closing of the discharge port.
[0012] Preferably, the robotic arm includes a gripper and a drive unit for tensioning the gripper. The output end of the drive unit is provided with a gripper, and the drive unit is disposed on the moving component.
[0013] The second robotic arm includes a second gripper, a second drive component, and a third drive component. The second gripper, the second drive component, and the third drive component are all mounted on the moving assembly. The second gripper is used to grip the fixed block. The second drive component is used to provide power to the first transmission component, and the third drive component is used to provide power to the second transmission component.
[0014] Preferably, the weighing assembly includes a base, a drive unit, a weighing instrument, a connecting arm, and a slow-descent platform;
[0015] The base is mounted on the placement platform, and a driving component four is mounted on the base. The output end of the driving component four is equipped with a connecting arm. The driving component four is used to drive the connecting arm to rise or fall. The slow-descent platform is mounted on the connecting arm. A space for placing weighing instruments is formed between the base, the connecting arm, and the slow-descent platform. The slow-descent platform is provided with a circular hole for the weighing platform of the weighing instrument to pass through. A fixing plate is also provided on the base, and a limit slider is slidably mounted on the fixing plate. The limit slider is connected to the connecting arm, and the sliding direction of the limit slider is consistent with the driving direction of the driving component.
[0016] Preferably, the first driving component, the second driving component, the third driving component, and the fourth driving component are all motors.
[0017] Preferably, the weighing assembly further includes a windproof cover disposed on the platform.
[0018] Preferably, it also includes a housing that can be slidably mounted on the storage platform.
[0019] Preferably, the moving component includes an X-axis moving component, a Y-axis moving component, and a Z-axis moving component, with a robotic arm assembly mounted on the Z-axis moving component.
[0020] Preferably, it also includes a control cabinet, which is connected to the weighing component, the moving component, and the robotic arm component via signals.
[0021] Preferably, it also includes an identification module, a monitoring module, and anti-slip components installed on the storage platform.
[0022] The advantages of this application compared to the prior art are as follows:
[0023] (1) Through the technical solution of this utility model, a micro-solid automatic weighing device is provided, which can realize the full process automation from weighing to dispensing to weighing carrier, which is conducive to the promotion of full process automation and intelligence of high-throughput chemical synthesis. Furthermore, in order to make the solid fall smoothly, an anti-static module is also set to eliminate the static electricity between solid powders.
[0024] (2) Through the technical solution of this utility model, the weighing carrier is transferred from the placement platform to the weighing component by the first robotic arm, and then the storage component is moved to the weighing carrier placed on the weighing component by the second robotic arm. The solid powder is then dispensed into each reaction hole of the weighing carrier. Before each dispensing, the weighing instrument is tare, and the change in the reading of the weighing instrument after each dispensing is recorded. The mass of the solid in each reaction hole is calculated.
[0025] The preferred embodiments of this application will be described in more detail below with reference to the accompanying drawings, so as to facilitate an understanding of the features and advantages of this application. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0027] Figure 1 This is a schematic diagram of the structure of an automatic weighing device for trace solids in one embodiment of the present invention;
[0028] Figure 2 for Figure 1 A schematic diagram of the automatic weighing device for trace solids without its outer casing;
[0029] Figure 3 for Figure 1 A schematic diagram of the automatic weighing device for trace solids from another angle;
[0030] Figure 4 for Figure 1 A schematic diagram of the structure of the automatic weighing device for medium and trace solids, excluding the outer shell and part of the shell on the placement platform;
[0031] Figure 5 for Figure 1 A schematic diagram of the structure of the robotic arm and the hopper held by the automatic weighing device for medium and trace solids;
[0032] Figure 6 for Figure 1 A schematic diagram of the robotic arm 2 of the automatic weighing device for trace solids;
[0033] Figure 7 for Figure 5 Schematic diagram of the structure of the middle hopper;
[0034] Figure 8 for Figure 7 Schematic diagram of the structure of the material removal cylinder in the middle hopper;
[0035] Figure 9 for Figure 7 Cross-sectional view of the middle hopper;
[0036] Figure 10 for Figure 9 Enlarged schematic diagram of point A in the middle hopper;
[0037] Figure 11 for Figure 9 Enlarged schematic diagram of section B in the middle hopper;
[0038] Figure 12 for Figure 1 A schematic diagram of the structure of an automatic weighing device for medium and trace solids, showing the weighing component with a weighing carrier (wind shield not shown);
[0039] Figure 13 for Figure 1 A schematic diagram of the weighing components (weighing instruments and windproof cover not shown) of an automatic weighing device for medium and trace solids;
[0040] Figure 14 for Figure 13 A schematic diagram of the structure at point C of the weighing component.
[0041] The components are as follows: 1-Placement platform; 2-Weighing assembly; 2.1-Base; 2.2-Drive component four; 2.3-Connecting arm; 2.4-Slow-down platform; 2.5-Fixing plate; 2.6-Weighing instrument; 2.7-L-type interface; 3-Moving assembly; 4-Storage assembly; 4.1-Transmission component; 4.1.1-Transmission component one; 4.1.1.1-Gear A; 4.1.1.2-Arch-shaped circle; 4.1.1.3-Boss A; 4.1.1.4-Transmission rod A; 4.1.2-Transmission component two; 4.1.2.1-Gear B; 4.1.2.2-Boss B; 4.1.2.3-Transmission rod B; 4.2-Gear component; 4.2.1-Main gear; 4.2.2-Secondary gear; 4.3-Fixing block ; 4.4-Sealing component; 4.5-Agitating component; 4.5.1-Agitator component one; 4.5.1.1-Connector; 4.5.1.2-Discharge rod; 4.5.1.3-Iron blade; 4.5.2-Agitator component two; 4.5.3-Agitating wire; 4.5.4-Discharge structure; 4.6-Material cylinder; 4.7-Discharge port; 5-Weighing carrier; 6-Robotic arm assembly; 6.1-Robotic arm one; 6.2-Robotic arm two; 6.2.1-Driver component two; 6.2.2-Driver component three; 6.2.3-Gripper two; 7-Outer shell; 8-Monitoring module; 9-Static elimination module; 10-Identification module; 11-Slide rail; 12-USB interface; 13-Network cable interface; 14-Power interface; 15-Anti-slip component. Detailed Implementation
[0042] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0043] In the embodiments of this application, directional indicators such as up, down, left, right, front, back, etc. are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicator will also change accordingly.
[0044] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.
[0045] Example 1, see Figure 1 , Figure 2 , Figure 3 as well as Figure 4This application discloses a micro-solid automatic weighing device, including a placing platform 1, a weighing component 2, a moving component 3, a storage component 4, a weighing carrier 5, an anti-static module 9, an identification module 10, a monitoring module 8, and a robotic arm component 6.
[0046] The loading platform 1 is equipped with a weighing component 2, a moving component 3, a storage component 4, a weighing carrier 5, an anti-static module 9, an identification module 10, and a monitoring module 8; the moving component 3 is equipped with a robotic arm component 6.
[0047] The storage assembly 4 includes a placement rack mounted on the placement platform 1 and 15 hoppers mounted on the placement rack. See [link to documentation]. Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 The hopper includes a transmission component 4.1, a gear component 4.2, a fixing block 4.3, a sealing component 4.4, a stirring component 4.5, and a material cylinder 4.6;
[0048] See Figure 8 The gear component 4.2 is disposed between the fixed block 4.3 and the sealing component 4.4, and the sealing component 4.4 is connected to the material cylinder 4.6;
[0049] See Figure 7 The transmission component 4.1 includes a first transmission component 4.1.1 and a second transmission component 4.1.2. The stirring component 4.5 includes a first stirring component 4.5.1 and a second stirring component 4.5.2 disposed in the material cylinder 4.6. The second transmission component 4.1.2 passes through the fixing block 4.3 and is connected to the second stirring component 4.5.2 through the gear component 4.2. The first transmission component 4.1.1 passes through the second transmission component 4.1.2, the gear component 4.2, and the sealing component 4.4 and is connected to the first stirring component 4.5.1.
[0050] See Figure 10 The free end of the stirring component 4.5.1 is provided with a material dropping structure 4.5.4, and the material cylinder 4.6 is provided with a discharge port 4.7. The shape of the discharge port 4.7 matches the material dropping structure 4.5.4 to realize the opening or closing of the discharge port 4.7.
[0051] See Figure 9 and Figure 11The first transmission component 4.1.1 includes a gear A4.1.1.1, an arc-shaped circle 4.1.1.2 disposed on the gear A4.1.1.1, a boss A4.1.1.3 disposed on the side of the gear A4.1.1.1 away from the arc-shaped circle 4.1.1.2, and a transmission rod A4.1.1.4 disposed on the boss A4.1.1.3. The transmission rod A4.1.1.4 is used to connect with the first stirring component 4.5.1. The gear A4.1.1.1, the boss A4.1.1.3, and the transmission rod A4.1.1.4 are arranged along a common central axis. The second transmission component 4.1.2 includes a gear B4.1. 2.1 A boss B4.1.2.2 and a transmission rod B4.1.2.3 are provided on the gear B4.1.2.1. The transmission rod B4.1.2.3 is used to connect with the gear component 4.2. The gear B4.1.2.1, the boss B4.1.2.2, and the transmission rod B4.1.2.3 are arranged along the same central axis. The transmission component 4.1.2 is also provided with a reserved hole for the transmission rod A4.1.1.4 to pass through. The reserved hole passes through the gear B4.1.2.1 and the transmission rod B4.1.2.3 along the central axis of the gear B4.1.2.1.
[0052] The gear component 4.2 includes a main gear 4.2.1 and a secondary gear 4.2.2; both the main gear 4.2.1 and the secondary gear 4.2.2 are disposed between the fixed block 4.3 and the sealing component 4.4, and the main gear 4.2.1, the fixed block 4.3, and the sealing component 4.4 are arranged along the same central axis; the transmission rod B 4.1.2.3 is connected to the main gear 4.2.1, and the main gear 4.2.1 meshes with the secondary gear 4.2.2; the stirring component 4.5.2 is connected to the secondary gear 4.2.2 through a reserved hole on the sealing component 4.4; the transmission rod A 4.1.1.4 passes through the main gear 4.2.1 and is connected to the stirring component 4.5.1.
[0053] The stirring component 4.5.1 includes a discharge paddle, which includes a connector 4.5.1.1, a discharge rod 4.5.1.2, and a blade 4.5.1.3. The discharge rod 4.5.1.2 is connected to the transmission rod A 4.1.1.4 through the connector 4.5.1.1, and the free end of the discharge rod 4.5.1.2 is provided with a discharge structure 4.5.4 (i.e., a frustum structure, such as a 7 / 12 frustum). The blade is provided on the discharge rod 4.5.1.2. The discharge rod 4.5.1.2 is provided with a double helix structure, and the end of the discharge paddle is also provided with a downward spiral stirring wire 4.5.3.
[0054] The stirring component 4.5.2 includes a stirring paddle, which has a spiral structure and the spiral is inclined outward.
[0055] The material cylinder 4.6 includes a cylindrical section and a conical section connected in sequence; both the cylindrical section and the conical section are hollow and together form a cavity for containing materials and the stirring component 4.5; the end of the cylindrical section away from the conical section is connected to the sealing component 4.4, and the end of the conical section away from the cylindrical section is provided with a discharge port 4.7, the opening size of the discharge port 4.7 is 5 / 12 circle.
[0056] The sealing component 4.4 includes a sealing cover and a connecting ring. The sealing cover has a reserved hole for the stirring component 4.5 and the transmission component 4.1 to pass through. The sealing cover is connected to the material cylinder 4.6 through the connecting ring. The sealing cover is connected to the solid block, and the two form a cavity to accommodate the gear component 4.2.
[0057] In this embodiment, bearings are provided between the first transmission component 4.1.1 and the second transmission component 4.1.2, between the second transmission component 4.1.2 and the fixed block 4.3, between the gear component 4.2 and the fixed block 4.3, and between the gear component 4.2 and the sealing cover.
[0058] In this embodiment, the robotic arm assembly 6 includes robotic arm one 6.1 and robotic arm two 6.2; robotic arm one 6.1 is used to hold the weighing carrier 5; see also Figure 5 and Figure 6 The robotic arm 26.2 is used to grip the storage assembly 4 and provide it with power.
[0059] The robotic arm 6.1 includes a gripper and a drive unit for tensioning the gripper. The output end of the drive unit is provided with a gripper, and the drive unit is disposed on the moving component 3.
[0060] See Figure 5 and Figure 6 The robotic arm 6.2 includes a gripper 6.2.3, a drive unit 6.2.1, and a drive unit 6.2.2. The gripper 6.2.3, drive unit 6.2.1, and drive unit 6.2.2 are all mounted on the moving assembly 3. The gripper 6.2.3 is used to grip the fixed block 4.3. The drive unit 6.2.1 is used to provide power to the transmission unit 4.1.1, and the drive unit 6.2.2 is used to provide power to the transmission unit 4.1.2.
[0061] See Figure 12 and Figure 13 The weighing assembly 2 includes a base 2.1, a drive unit 2.2, a weighing instrument 2.6, a connecting arm 2.3, a slow-descent platform 2.4, and a windproof cover;
[0062] The base 2.1 is mounted on the platform 1 (in this embodiment, the platform 1 has a groove for accommodating the weighing component 2, the size of the groove opening matches the weighing carrier 5, and the weighing component 2 is placed therein). The base 2.1 is equipped with a drive component 2.2, and the output end of the drive component 2.2 is equipped with a connecting arm 2.3. The drive component 2.2 is used to drive the connecting arm 2.3 to rise or fall. The slow-descent platform 2.4 is mounted on the connecting arm 2.3. A space for placing the weighing instrument 2.6 is formed between the base 2.1, the connecting arm 2.3, and the slow-descent platform 2.4. The slow-descent platform 2.4 is equipped with a circular hole for the weighing platform of the weighing instrument 2.6 to pass through (e.g., for the weighing platform of a weighing balance to pass through). A fixing plate 2.5 is also provided on the base. A limit slider is slidably mounted on the fixing plate 2.5. The limit slider is connected to the connecting arm, and the sliding direction of the limit slider is consistent with the driving direction of the drive component. Specifically, a sliding guide rail is provided on the fixed plate 2.5, and the limiting slider is slidably mounted on the sliding guide rail. This design effectively reduces the swaying of the connecting arm, allowing the descent platform to rise or fall smoothly. A windproof cover (set along the opening of the groove for accommodating the weighing component 2) is installed on the placement platform 1, arranged along the aforementioned groove opening, to reduce the impact of wind. In this embodiment, the weighing instrument 2.6 is a weighing balance. See also Figure 14 The connecting arm 2.3 and the slow-descent platform 2.4 are connected via an L-shaped interface 2.7. In this embodiment, infrared sensors are also included; two infrared sensors are mounted on the fixed plate 2.5 along the sliding direction of the limiting slider. An external control cabinet is connected to the infrared sensors and the drive unit. The infrared sensors detect the position of the limiting slider and provide feedback to the control cabinet, which then controls the up-and-down movement of the drive unit, thereby controlling the rise or fall of the slow-descent platform 2.4. In use, the weighing carrier 5 is placed on the slow-descent platform using the robotic arm 6.1.
[0063] In this embodiment, the first driving component, the second driving component 6.2.1, the third driving component 6.2.2, and the fourth driving component 2.2 are all motors.
[0064] In this embodiment, a slidable outer shell 7 is also included, mounted on the platform 1. The outer shell 7 is made of a transparent material, such as acrylic, to facilitate direct observation of the weighing process. Furthermore, in this embodiment, the outer shell is made of a transparent material, such as acrylic. Figure 3 The slide rail 11 shown is slidably mounted on the storage platform.
[0065] In this embodiment, the moving component 3 includes an X-axis moving component, a Y-axis moving component, and a Z-axis moving component, and a robotic arm component 6 is provided on the Z-axis moving component.
[0066] The X-axis moving component, Y-axis moving component, and Z-axis moving component are connected sequentially. The Z-axis moving component is connected to robotic arm 6.1 and robotic arm 6.2 in the robotic arm assembly 6, respectively. Further, the X-axis moving component includes a support base, an X-axis slide rail, an X-axis electric cylinder, and an X-axis slider; the Y-axis moving component includes a Y-axis slide rail, a Y-axis electric cylinder, and a Y-axis slider; the Z-axis moving component includes at least two sets of Z-axis moving units, each including a Z-axis slide rail, a Z-axis electric cylinder, and a Z-axis slider; the support base is fixedly mounted on the worktable, and the X-axis slide rail and X-axis electric cylinder are fixedly mounted on the support base. The X-axis slider is slidably mounted on the X-axis slide rail, and the X-axis electric cylinder drives the X-axis slider to slide on the X-axis slide rail; the X-axis slider is fixedly mounted on the X-axis slide rail, and the Y-axis slider is slidably mounted on the Y-axis slide rail, and the Y-axis electric cylinder drives the Y-axis slider to slide on the Y-axis slide rail; three sets of phase... Taking one set of Z-axis moving units as an example, both the Z-axis slide rail and the Z-axis slider are fixedly mounted on the Y-axis slider. The Z-axis slider is slidably mounted on the Z-axis slide rail. The Z-axis electric cylinder drives the Z-axis slider to slide on the Z-axis slide rail. The Z-axis slider is used to fix and mount robotic arm 6.1, robotic arm 6.2, etc. (In this embodiment, robotic arm 6.1 is mounted on the Z-axis slider in one set of Z-axis moving units, that is, the Z-axis slider is fixedly connected to the first drive component in robotic arm 6.1; robotic arm 6.2 is mounted on the Z-axis slider in one set of Z-axis moving units, that is, the Z-axis slider is fixedly connected to the second drive component 6.2.1 and the third drive component 6.2.2 in robotic arm 6.2, respectively.)
[0067] In this embodiment, a control cabinet is also included, which is connected to the weighing assembly 2, the moving assembly 3, the static elimination module 9, the identification module 10, the monitoring module 8, and the robotic arm assembly 6 via signals. The control cabinet sends signal commands to each component to collaboratively complete the entire automated weighing process.
[0068] In this embodiment, the system also includes an identification module 10, a monitoring module 8, and an anti-slip component 15 disposed on the storage platform 1.
[0069] In this embodiment, the anti-slip component 15 is an anti-slip foot cup, with four anti-slip foot cups evenly arranged on the bottom of the storage platform. The monitoring module 8 is a camera, the static elimination module 9 is an ion fan, and the identification module 10 is an IC code reader. There are two sets of IC code readers: one set for recording material information in the hopper, and the other set for reading material information from the hopper. After each hopper is filled, the material information is recorded in the identification module 10. When needed, the information is identified and confirmed by the identification module 10. In addition, this embodiment also includes a USB interface 12, a power interface 14, a network cable interface 13, and a display screen on the storage platform.
[0070] The weighing method using the above-mentioned automatic micro-solid weighing device includes:
[0071] S1. Set the weighing task;
[0072] S2. The robotic arm assembly 6 clamps the weighing carrier 5 onto the weighing assembly, and then drives the robotic arm assembly 6 to clamp the storage assembly 4 and drop the material onto the weighing carrier 5.
[0073] S3. End the material feeding process and record the value of each feeding.
[0074] In this embodiment, the material feeding includes feeding stage one, feeding stage two, and feeding stage three. The material feeding amount in feeding stage one is 40%-80% of the total material feeding amount in a single feeding; the material feeding amount in feeding stage two is 20%-50% of the total material feeding amount in a single feeding; and the material feeding amount in feeding stage three is 10%-40%.
[0075] In this embodiment, the weighing task includes the number of times the material is dropped and the total amount of material dropped in a single drop.
[0076] The present application has been further described above with reference to specific embodiments. However, it should be understood that the specific descriptions herein should not be construed as limiting the substance and scope of the present application. Various modifications made by those skilled in the art to the above embodiments after reading this specification are all within the scope of protection of the present application.
Claims
1. A micro solid automatic weighing device, characterized by, The utility model provides a kind of automatic weighing and dispensing system, including storage platform (1), weighing assembly (2), moving assembly (3), storage assembly (4), weighing carrier (5), static electricity removing module (9) and mechanical arm assembly (6); The storage platform (1) is provided with weighing assembly (2), moving assembly (3), storage assembly (4), static electricity removing module (9) and weighing carrier (5);Moving assembly (3) is provided with mechanical arm assembly (6).
2. The micro solid auto-weighing apparatus according to claim 1, wherein, The mechanical arm assembly (6) includes mechanical arm one (6.1) and mechanical arm two (6.2);Mechanical arm one (6.1) is used for clamping weighing carrier (5);Mechanical arm two (6.2) is used for clamping storage assembly (4) and provides power for it.
3. The micro solid auto-weighing apparatus according to claim 2, wherein, The storage assembly (4) includes a placing rack provided on the storage platform (1) and a plurality of hoppers provided on the placing rack, the hopper includes a transmission member (4.1), a gear member (4.2), a fixed block (4.3), a sealing member (4.4), a stirring member (4.5), and a hopper barrel (4.6); The gear member (4.2) is arranged between the fixed block (4.3) and the sealing member (4.4), and the sealing member (4.4) is connected with the hopper barrel (4.6); The transmission member (4.1) includes a transmission member one (4.1.1) and a transmission member two (4.1.2), and the stirring member (4.5) includes a stirring member one (4.5.1) arranged in the hopper barrel (4.6) and a stirring member two (4.5.2) arranged in the hopper barrel (4.6); the transmission member two (4.1.2) penetrates through the fixed block (4.3) and is in transmission connection with the stirring member two (4.5.2) through the gear member (4.2); the transmission member one (4.1.1) penetrates through the transmission member two (4.1.2), the gear member (4.2), and the sealing member and is in transmission connection with the stirring member one (4.5.1); A free end of the stirring member one (4.5.1) is provided with a blanking structure (4.5.4), and the hopper barrel (4.6) is provided with a discharge port (4.7) which is matched with the blanking structure (4.5.4) to realize opening or closing of the discharge port (4.7).
4. The micro solid auto-weighing apparatus according to claim 3, wherein, The mechanical arm one (6.1) includes a clamping jaw one and a driving member one for driving the clamping jaw to be tensioned, and an output end of the driving member one is provided with a clamping jaw; the driving member one is arranged on the moving assembly (3); The mechanical arm two (6.2) includes a clamping jaw two (6.2.3), a driving member two (6.2.1), and a driving member three (6.2.2); the clamping jaw two (6.2.3), the driving member two (6.2.1), and the driving member three (6.2.2) are all arranged on the moving assembly (3); the clamping jaw two (6.2.3) is used for clamping the fixed block (4.3); the driving member two (6.2.1) is used for providing power for the transmission member one (4.1.1); and the driving member three (6.2.2) is used for providing power for the transmission member two (4.1.2).
5. The micro solids auto-weigh apparatus according to claim 4, wherein, The weighing assembly (2) includes a base (2.1), a driving member four (2.2), a weighing instrument (2.6), a connecting arm (2.3), and a slow descent platform; The base (2.1) is arranged on the placing platform (1), the base (2.1) is provided with the fourth driving part (2.2), the output end of the fourth driving part (2.2) is provided with the connecting arm (2.3), the fourth driving part (2.2) is used for driving the connecting arm (2.3) to ascend or descend, and the slow descending platform (2.4) is arranged on the connecting arm (2.3); the space for placing the weighing instrument (2.6) is formed between the base (2.1), the connecting arm (2.3) and the slow descending platform (2.4); the slow descending platform (2.4) is provided with the round hole through which the weighing platform of the weighing instrument (2.6) passes; the fixing plate (2.5) is further arranged on the base, the limiting sliding block is slidably arranged on the fixing plate (2.5), the limiting sliding block is connected with the connecting arm, and the sliding direction of the limiting sliding block is consistent with the driving direction of the driving part.
6. The micro solids auto-weigh apparatus according to claim 5, wherein, The first driving part, the second driving part (6.2.1), the third driving part (6.2.2) and the fourth driving part (2.2) are all motors.
7. The micro solid auto-weighing apparatus according to claim 5, wherein The weighing assembly (2) further comprises the wind shield arranged on the placing platform (1).
8. The micro solids auto-weigh apparatus of claim 1, wherein, Further comprising the shell (7) slidably arranged on the placing platform (1).
9. The micro solids auto-weigh apparatus of claim 1, wherein, The moving assembly (3) comprises an X-axis moving part, a Y-axis moving part and a Z-axis moving part, and the mechanical arm assembly (6) is arranged on the Z-axis moving part.
10. The micro solids auto-weigh apparatus of claim 1, wherein, Further comprising the control cabinet, and the control cabinet is signal connected with the weighing assembly (2), the moving assembly (3) and the mechanical arm assembly (6) respectively.
11. The micro solids auto-weigh apparatus of claim 1, wherein, Further comprising the identification module (10), the monitoring module (8) and the anti-skid part (15) arranged on the placing platform (1).