Automatic weighing device and weighing method for trace solids

Abstract

The invention discloses a trace solid automatic weighing device and a weighing method. The trace solid automatic weighing device comprises an object placing platform, a weighing assembly, a moving assembly, a material storage assembly, a weighing carrier, a static electricity removing module and a mechanical arm assembly. A weighing assembly, a moving assembly, a storage assembly, a static electricity removing module and a weighing carrier are arranged on the storage platform; and a mechanical arm assembly is arranged on the moving assembly. According to the trace solid automatic weighing device and the weighing method provided by the invention, full-process automation from weighing to sub-packaging to weighing of the carrier can be realized, and promotion of full-process automation and intellectualization of high-throughput chemical synthesis is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of chemical experimental equipment, in particular to a micro-solid automatic weighing device and a weighing method. Background Art

[0002] High-throughput chemical synthesis is an efficient, rapid, and high-yield chemical synthesis method. By using high-throughput and automated technologies, it can process thousands of different reactions simultaneously, greatly improving the yield and efficiency of compounds.

[0003] During high-throughput chemical synthesis, solids need to be weighed using a weighing balance and manually dispensed into the various reaction wells of a weighing carrier. This method is not only time-consuming and labor-intensive, but also hinders the advancement of automation and intelligence in the entire process of high-throughput chemical synthesis.

[0004] In summary, there is an urgent need for an automatic weighing device and weighing method for trace solids to solve the problems existing in the related art. Summary of the Invention

[0005] In order to solve the above problems, the present invention discloses an automatic weighing device for micro solids, comprising a placement platform, a weighing component, a moving component, a material storage component, a weighing carrier, a static electricity removal module and a robotic arm component;

[0006] The storage platform is provided with a weighing component, a moving component, a material storage component, a static electricity removal module and a weighing carrier; and the moving component is provided with a robotic arm component.

[0007] Preferably, the robotic arm assembly includes robotic arm 1 and robotic arm 2; robotic arm 1 is used to clamp the weighing carrier; robotic arm 2 is used to clamp the material storage assembly and provide power for it.

[0008] Preferably, the material storage assembly includes a placement rack provided on the placement platform and a plurality of hoppers provided on the placement rack, and the hoppers include a transmission component, a gear component, a fixing block, a sealing component, a stirring component and a barrel;

[0009] The gear member is arranged between the fixed block and the sealing member, and the sealing member is connected to the barrel;

[0010] The transmission member includes a transmission member 1 and a transmission member 2, and the stirring member includes a stirring member 1 disposed in the barrel and a stirring member 2 disposed in the barrel; the transmission member 2 penetrates the fixed block and is connected to the stirring member 2 through the gear member; the transmission member 1 penetrates the transmission member 2, the gear member and the sealing member and is connected to the stirring member 1 through the gear member;

[0011] The free end of the stirring member 1 is provided with a blanking structure, and the barrel is provided with a discharge port, the shape of the discharge port matches the blanking structure for realizing the opening or closing of the discharge port.

[0012] Preferably, the robotic arm 1 includes a clamping claw 1 and a driving member 1 for driving the clamping claw to be tensioned, the output end of the driving member 1 is provided with a clamping claw, and the driving member 1 is provided on the moving assembly;

[0013] The robotic arm 2 includes a clamp 2, a driving member 2 and a driving member 3. The clamp 2, the driving member 2 and the driving member 3 are all arranged on the moving component. The clamp 2 is used to clamp the fixed block; the driving member 2 is used to provide power to the transmission member 1, and the driving member 3 is used to provide power to the transmission member 2.

[0014] Preferably, the weighing assembly includes a base, a driving member 4, a weighing device, a connecting arm and a slow-down platform;

[0015] The base is arranged on a storage platform, and a driving member four is arranged on the base. A connecting arm is arranged at the output end of the driving member four, and the driving member four is used to drive the connecting arm to rise or fall, and the slow-down platform is arranged on the connecting arm; a space for placing a weighing device is formed between the base, the connecting arm and the slow-down platform; the slow-down platform is provided with a circular hole for the weighing platform of the weighing device to pass through; a fixed plate is also provided on the base, and a limiting slider is slidably arranged on the fixed plate, and the limiting slider is connected to the connecting arm, and the sliding direction of the limiting slider is consistent with the driving direction of the driving member.

[0016] Preferably, the driving member 1, the driving member 2, the driving member 3 and the driving member 4 are all motors.

[0017] Preferably, the weighing assembly further includes a windshield provided on the storage platform.

[0018] Preferably, it also includes a shell that is slidably arranged on the storage platform.

[0019] Preferably, the moving assembly includes an X-axis moving part, a Y-axis moving part and a Z-axis moving part, and a robotic arm assembly is provided on the Z-axis moving part.

[0020] Preferably, the system further includes a control cabinet, which is respectively connected to the weighing component, the moving component and the robotic arm component by signals.

[0021] Preferably, it also includes an identification module, a monitoring module and an anti-slip part arranged on the storage platform.

[0022] The present invention also provides a weighing method, which uses the above-mentioned trace solid automatic weighing device, comprising:

[0023] S1. Set the weighing task;

[0024] S2. Clamp the weighing carrier onto the weighing component through the robotic arm assembly, then drive the robotic arm assembly to clamp the material storage component and drop the material onto the weighing carrier;

[0025] S3. End the blanking and record the value of each blanking.

[0026] Preferably, the blanking includes blanking link one, blanking link two and blanking link three, the blanking amount of the blanking link one is 40%-80% of the total blanking amount in a single time; the blanking amount of the blanking link two is 20%-50% of the total blanking amount in a single time; the blanking amount of the blanking link three is 10%-40%.

[0027] Preferably, the weighing task includes the number of times the material is dropped and the total amount of the material dropped in a single time.

[0028] Compared with the prior art, the present invention has the following advantages:

[0029] (1) Through the technical solution of the present invention, a micro-solid automatic weighing device is provided, which can realize the full process automation from weighing to packaging to weighing carriers, 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 provided to eliminate the electrostatic effect between solid powders.

[0030] (2) According to the technical solution of the present invention, the weighing carrier is transferred from the storage platform to the weighing assembly by the first robot arm, and then the storage assembly is moved to the top of the weighing carrier placed on the weighing assembly by the second robot arm, and the solid powder is respectively packed into each reaction well of the weighing carrier. Before each packing, the weighing instrument is peeled, and the reading change of the weighing instrument after each packing is recorded to calculate the mass of the solid in each reaction well.

[0031] (3) Through the technical solution of the present invention, based on the above-mentioned micro-solid automatic weighing device, a weighing method using the weighing device is further provided, through which multiple blanking can be performed and the total amount of single blanking can be weighed.

[0032] The following will describe in more detail the best embodiments of the present application in conjunction with the accompanying drawings so that the features and advantages of the present application can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 This is a schematic structural diagram of a trace solid automatic weighing device according to one embodiment of the present invention;

[0035] Figure 2 for Figure 1 Schematic diagram of the structure of the automatic weighing device for medium and trace solids without the outer shell;

[0036] Figure 3 for Figure 1 A schematic diagram of the structure of the medium and trace solid automatic weighing device without the outer shell from another angle;

[0037] Figure 4 for Figure 1 Schematic diagram of the structure of the automatic weighing device for medium and trace solids without the outer shell and part of the shell on the storage platform;

[0038] Figure 5 for Figure 1 Schematic diagram of the structure of the mechanical arm 2 and the hopper it holds for the automatic weighing device for medium and trace solids;

[0039] Figure 6 for Figure 1 Schematic diagram of the structure of the mechanical arm 2 of the automatic weighing device for medium and trace solids;

[0040] Figure 7 for Figure 5 Schematic diagram of the structure of the middle hopper;

[0041] Figure 8 for Figure 7 Schematic diagram of the structure of removing the barrel from the middle hopper;

[0042] Figure 9 for Figure 7 Schematic cross-section of the middle hopper;

[0043] Figure 10 for Figure 9 An enlarged schematic diagram of the middle hopper A;

[0044] Figure 11 for Figure 9 An enlarged schematic diagram of the middle hopper B;

[0045] Figure 12 for Figure 1 Schematic diagram of the structure of the weighing component of the automatic weighing device for medium and trace solids with a weighing carrier (without the windshield);

[0046] Figure 13 for Figure 1 Schematic diagram of the structure of the weighing assembly of the automatic weighing device for medium and trace solids (the weighing instrument and windshield are not shown);

[0047] Figure 14 for Figure 13 Schematic diagram of the structure of the weighing component C.

[0048] Among them, 1- storage platform; 2- weighing component; 2.1- base; 2.2- driving part 4; 2.3- connecting arm; 2.4- slow-down platform; 2.5- fixed plate; 2.6- weighing device; 2.7- L-shaped interface; 3- moving component; 4- storage component; 4.1- transmission component; 4.1.1- transmission part 1; 4.1.1.1- gear A; 4.1.1.2- arc circle; 4.1.1.3- boss A; 4.1.1.4- transmission rod A; 4.1.2- transmission part 2; 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- fixed block ;4.4-sealing component;4.5-stirring component;4.5.1-stirring component one;4.5.1.1-connecting head;4.5.1.2-blade;4.5.1.3-paddle;4.5.2-stirring component two;4.5.3-stirring wire;4.5.4-blank structure;4.6-barrel;4.7-discharge port;5-weighing carrier;6-robotic arm assembly;6.1-robotic arm one;6.2robotic arm two;6.2.1-driving component two;6.2.2-driving component three;6.2.3-gripper two;7-housing;8-monitoring module;9-static removal module;10-identification module;11-slide rail;12-USB interface;13-network cable interface;14-power interface;15-anti-slip part. DETAILED DESCRIPTION

[0049] It should be noted that, unless there is a conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The application is further described in detail below with reference to the drawings and specific embodiments.

[0050] In the embodiments of the present application, if there are directional indications such as up, down, left, right, front, back..., they are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0051] In addition, the terms "first," "second," etc., used in this application are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of these features.

[0052] Example 1, see Figure 1 、 Figure 2 、 Figure 3 as well as Figure 4The present application discloses an automatic weighing device for micro-solids, comprising a placement platform 1, a weighing component 2, a moving component 3, a material 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;

[0053] The storage platform 1 is provided with a weighing component 2, a moving component 3, a material storage component 4, a weighing carrier 5, a static electricity removal module 9, an identification module 10 and a monitoring module 8; the moving component 3 is provided with a robotic arm component 6.

[0054] The storage assembly 4 includes a placement rack provided on the storage platform 1 and 15 hoppers provided on the placement rack. Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 、 Figure 11 The hopper includes a transmission member 4.1, a gear member 4.2, a fixing block 4.3, a sealing member 4.4, a stirring member 4.5 and a barrel 4.6;

[0055] See also Figure 8 , 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 to the barrel 4.6;

[0056] See also Figure 7 The transmission member 4.1 includes a transmission member 1 4.1.1 and a transmission member 2 4.1.2. The stirring member 4.5 includes a stirring member 1 4.5.1 disposed in the barrel 4.6 and a stirring member 2 4.5.2 disposed in the barrel 4.6. The transmission member 2 4.1.2 passes through the fixed block 4.3 and is in transmission connection with the stirring member 2 4.5.2 through the gear member 4.2. The transmission member 1 4.1.1 passes through the transmission member 2 4.1.2, the gear member 4.2 and the sealing member 4.4 and is in transmission connection with the stirring member 1 4.5.1.

[0057] See also Figure 10 The free end of the stirring member 4.5.1 is provided with a blanking structure 4.5.4, and the barrel 4.6 is provided with a discharge port 4.7. The shape of the discharge port 4.7 matches the blanking structure 4.5.4 to realize the opening or closing of the discharge port 4.7.

[0058] See also Figure 9 and Figure 11The transmission member 1 4.1.1 includes a gear A4.1.1.1, an arcuate circle 4.1.1.2 provided on the gear A4.1.1.1, a boss A4.1.1.3 provided on the side of the gear A4.1.1.1 away from the arcuate circle 4.1.1.2, and a transmission rod A4.1.1.4 provided on the boss A4.1.1.3. The transmission rod A4.1.1.4 is used to connect with the stirring member 1 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 on the same central axis. The transmission member 2 4.1.2 includes a gear B4.1. 2.1, a boss B4.1.2.2 provided on the gear B4.1.2.1 and a transmission rod B4.1.2.3 provided on the boss B4.1.2.2, the transmission rod B4.1.2.3 is used to connect with the gear member 4.2, the gear B4.1.2.1, the boss B4.1.2.2 and the transmission rod B4.1.2.3 are arranged on the same central axis; the transmission member 4.1.2 is also provided with a reserved hole for the transmission rod A4.1.1.4 to pass through, and the reserved hole passes through the gear B4.1.2.1 and the transmission rod B4.1.2.3 along the central axis direction of the gear B4.1.2.1.

[0059] The gear assembly 4.2 includes a main gear 4.2.1 and a sub-gear 4.2.2; the main gear 4.2.1 and the sub-gear 4.2.2 are both arranged between the fixed block 4.3 and the sealing assembly 4.4, and the main gear 4.2.1, the fixed block 4.3 and the sealing assembly 4.4 are arranged along the same central axis; the transmission rod B4.1.2.3 is connected to the main gear 4.2.1, the main gear 4.2.1 is meshed with the sub-gear 4.2.2, and the stirring member 2 4.5.2 is connected to the sub-gear 4.2.2 through the reserved hole on the sealing assembly 4.4; the transmission rod A4.1.1.4 passes through the main gear 4.2.1 and is connected to the stirring member 1 4.5.1.

[0060] The stirring member 4.5.1 includes a blanking paddle, which includes a connecting head 4.5.1.1, a blanking rod 4.5.1.2 and a paddle 4.5.1.3; the blanking rod 4.5.1.2 is connected to the transmission rod A4.1.1.4 through the connecting head 4.5.1.1 and the free end of the blanking rod 4.5.1.2 is provided with a blanking structure 4.5.4 (i.e. a frustum structure, such as a 7 / 12 frustum), and the paddle is provided on the blanking rod 4.5.1.2; the blanking rod 4.5.1.2 is provided with a double helix structure, and the end of the blanking paddle is also provided with a spiral downward stirring wire 4.5.3.

[0061] The second stirring member 4.5.2 includes a stirring paddle, which is provided with a spiral structure and the spiral is inclined outward.

[0062] The barrel 4.6 includes a cylindrical section and a conical section connected in sequence; both the cylindrical section and the conical section are hollow and the two are combined to form a cavity for accommodating materials and the stirring member 4.5; the end of the cylindrical section away from the conical section is connected to the sealing member 4.4, and the end of the conical section away from the cylindrical section is provided with a discharge port 4.7, and the opening size of the discharge port 4.7 is 5 / 12 of a circle.

[0063] The sealing member 4.4 includes a sealing cover and a connecting ring. The sealing cover is provided with reserved holes for the stirring member 4.5 and the transmission member 4.1 to pass through. The sealing cover is connected to the barrel 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 member 4.2.

[0064] In this embodiment, bearings are provided between the transmission member 1 4.1.1 and the transmission member 2 4.1.2, between the transmission member 2 4.1.2 and the fixed block 4.3, between the gear member 4.2 and the fixed block 4.3, and between the gear member 4.2 and the sealing cover.

[0065] In this embodiment, the robot arm assembly 6 includes a robot arm 1 6.1 and a robot arm 2 6.2; the robot arm 1 6.1 is used to clamp the weighing carrier 5; see Figure 5 and Figure 6 The second robotic arm 6.2 is used to clamp the storage assembly 4 and provide power for it.

[0066] The robotic arm 1 6.1 includes a clamping jaw 1 and a driving member 1 for driving the clamping jaw to be tightened. The output end of the driving member 1 is provided with a clamping jaw, and the driving member 1 is provided on the moving component 3;

[0067] See also Figure 5 and Figure 6 The second robotic arm 6.2 includes a second clamp 6.2.3, a second driving member 6.2.1 and a third driving member 6.2.2. The second clamp 6.2.3, the second driving member 6.2.1 and the third driving member 6.2.2 are all arranged on the moving component 3. The second clamp 6.2.3 is used to clamp the fixed block 4.3; the second driving member 6.2.1 is used to provide power for the transmission member 1 4.1.1, and the third driving member 6.2.2 is used to provide power for the transmission member 2 4.1.2.

[0068] See also Figure 12 and Figure 13 The weighing assembly 2 includes a base 2.1, a driving member 2.2, a weighing device 2.6, a connecting arm 2.3, a slow-down platform 2.4 and a windshield;

[0069] The base 2.1 is arranged on the storage platform 1 (in this embodiment, the storage platform 1 is provided with a groove for accommodating the weighing component 2, the opening size of the groove matches the weighing carrier 5, and the weighing component 2 is arranged therein), the base 2.1 is provided with a driving member 2.2, the output end of the driving member 2.2 is provided with a connecting arm 2.3, the driving member 2.2 is used to drive the connecting arm 2.3 to rise or fall, and the slow-down platform 2.4 is provided on the connecting arm 2.3; a space for placing a weighing device 2.6 is formed between the base 2.1, the connecting arm 2.3 and the slow-down platform 2.4; the slow-down platform 2.4 is provided with a circular hole for the weighing platform of the weighing device 2.6 to pass through (for example, the weighing platform of a weighing balance to pass through), and a fixed plate 2.5 is also provided on the base, and a limit slider is slidably provided on the fixed 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 driving member. Specifically, a sliding guide rail is provided on the fixed plate 2.5, and the limit slider is slidably provided on the sliding guide rail. This design can effectively reduce the shaking of the connecting arm, so that the descending platform can rise or fall smoothly. A wind shield (the wind shield is provided along the groove opening for accommodating the weighing component 2) is provided on the storage platform 1 and arranged along the above-mentioned groove opening to reduce the influence of wind. In this embodiment, the weighing device 2.6 is a weighing balance. See Figure 14 The connecting arm 2.3 is connected to the slow-down platform 2.4 via an L-shaped interface 2.7. In this embodiment, an infrared sensor is also included. Two infrared sensors are positioned on the fixed plate 2.5 along the sliding direction of the limit slider. An external control cabinet is connected to the infrared sensors and the drive element. The infrared sensors detect the position of the limit slider and provide feedback to the control cabinet, which controls the up and down movement of the drive element, thereby controlling the ascent or descent of the slow-down platform 2.4. During use, the weighing carrier 5 is placed on the slow-down platform via the robotic arm 6.1.

[0070] In this embodiment, the driving element 1, the driving element 2 6.2.1, the driving element 3 6.2.2 and the driving element 4 2.2 are all motors.

[0071] In this embodiment, a housing 7 is also included which is slidably arranged on the storage platform 1. The housing 7 is made of a transparent material, such as acrylic, so as to facilitate direct observation of the weighing state. Figure 3 The slide rail 11 shown is slidably arranged on the storage platform.

[0072] In this embodiment, the moving assembly 3 includes an X-axis moving part, a Y-axis moving part, and a Z-axis moving part, and a robotic arm assembly 6 is provided on the Z-axis moving part.

[0073] The X-axis moving part, the Y-axis moving part and the Z-axis moving part are connected in sequence, and the Z-axis moving part is respectively connected to the robot arm 1 6.1 and the robot arm 2 6.2 in the robot arm assembly 6. Further, the X-axis moving part includes a support seat, an X-axis slide rail, an X-axis electric cylinder and an X-axis slider; the Y-axis moving part includes a Y-axis slide rail, a Y-axis electric cylinder and a Y-axis slider; the Z-axis moving part includes at least two groups of Z-axis moving units, and the Z-axis moving unit includes a Z-axis slide rail, a Z-axis electric cylinder and a Z-axis slider; the support seat is fixedly mounted on the workbench, and the support seat is fixedly mounted with an X-axis slide rail and an X-axis electric cylinder, and the X-axis slider is slidably mounted on the X-axis slide rail, and the X-axis electric cylinder is used to drive the X-axis slider to slide on the X-axis slide rail; the X-axis slider is fixedly mounted with a Y-axis slide rail and a Y-axis electric cylinder, 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; the Y-axis slider is fixedly mounted with three groups of phase The same Z-axis moving unit, taking one group of Z-axis moving units as an example, the Z-axis slide rail and the Z-axis slider are both fixedly arranged on the Y-axis slider, the Z-axis slider is slidably installed on the Z-axis slide rail, and the Z-axis electric cylinder drives the Z-axis slider to slide on the Z-axis slide rail, and the Z-axis slider is used to fix the installation of the robot arm 1 6.1, the robot arm 2 6.2, etc. (in this embodiment, the Z-axis slider in one group of Z-axis moving units is provided with the robot arm 1 6.1, that is, the Z-axis slider is fixedly connected to the driving member 1 in the robot arm 1 6.1, and the Z-axis slider in one group of Z-axis moving units is provided with the robot arm 2 6.2, that is, the Z-axis slider is fixedly connected to the driving member 2 6.2.1 and the driving member 3 6.2.2 in the robot arm 2 6.2 respectively)

[0074] In this embodiment, the system further includes a control cabinet, which is signal-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. The control cabinet sends signal instructions to each component to coordinately complete the entire automated weighing process.

[0075] In this embodiment, the storage platform 1 further includes an identification module 10 , a monitoring module 8 and an anti-slip member 15 .

[0076] In this embodiment, the anti-slip member 15 is a non-slip foot cup, four of which are evenly spaced at the bottom of the storage platform. The monitoring module 8 is a camera, the static elimination module 9 is an ion blower, and the identification module 10 is an IC code reader. Two IC code readers are provided: one for entering information about the material in the hopper and the other for reading it. After each hopper is filled, the material information is entered into the identification module 10, and then confirmed by the identification module 10 when it is needed. Furthermore, this embodiment also includes a USB port 12, a power port 14, a network cable port 13, and a display screen.

[0077] This embodiment also provides a weighing method, using the above-mentioned trace solid automatic weighing device, comprising:

[0078] S1. Set the weighing task;

[0079] S2, clamping the weighing carrier 5 on the weighing component by the robot arm assembly 6, and then driving the robot arm assembly 6 to clamp the material storage assembly 4 and drop the material onto the weighing carrier 5;

[0080] S3. End the blanking and record the value of each blanking.

[0081] In this embodiment, the blanking includes blanking link one, blanking link two and blanking link three. The blanking amount of the blanking link one is 40%-80% of the total blanking amount in a single time; the blanking amount of the blanking link two is 20%-50% of the total blanking amount in a single time; and the blanking amount of the blanking link three is 10%-40%.

[0082] In this embodiment, the weighing task includes the number of times the material is dropped and the total amount of the material dropped in a single time.

[0083] The present application is further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the present application. Various modifications made to the above embodiments by ordinary technicians in this field after reading this specification are all within the scope of protection of this application.

Claims

1. A micro-solid automatic weighing device, characterized in that: It comprises a storage platform (1), a weighing component (2), a moving component (3), a material storage component (4), a weighing carrier (5), a static electricity removal module (9) and a mechanical arm component (6); The storage platform (1) is provided with a weighing component (2), a moving component (3), a material storage component (4), a static electricity removal module (9) and a weighing carrier (5); and the moving component (3) is provided with a mechanical arm component (6).

2. The micro-solid automatic weighing device according to claim 1, characterized in that: The mechanical arm assembly (6) comprises a mechanical arm 1 (6.1) and a mechanical arm 2 (6.2); the mechanical arm 1 (6.1) is used to clamp the weighing carrier (5); and the mechanical arm 2 (6.2) is used to clamp the material storage assembly (4) and provide power therefor.

3. The micro-solid automatic weighing device according to claim 2, characterized in that: The material storage assembly (4) comprises a placement rack arranged on the storage platform (1) and a plurality of hoppers arranged on the placement rack, wherein the hoppers comprise 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 barrel (4.6); The gear component (4.2) is arranged between the fixed block (4.3) and the sealing component (4.4), and the sealing component (4.4) is connected to the barrel (4.6); The transmission component (4.1) comprises a transmission component 1 (4.1.1) and a transmission component 2 (4.1.2); the stirring component (4.5) comprises a stirring component 1 (4.5.1) arranged in the barrel (4.6) and a stirring component 2 (4.5.2) arranged in the barrel (4.6); the transmission component 2 (4.1.2) penetrates the fixed block (4.3) and is connected to the stirring component 2 (4.5.2) through the gear component (4.2); the transmission component 1 (4.1.1) penetrates the transmission component 2 (4.1.2), the gear component (4.2) and the sealing component and is connected to the stirring component 1 (4.5.1); The free end of the stirring member 1 (4.5.1) is provided with a blanking structure (4.5.4), and the barrel (4.6) is provided with a discharge port (4.7), the shape of the discharge port (4.7) matches the blanking structure (4.5.4) and is used to realize the opening or closing of the discharge port (4.7).

4. The micro-solid automatic weighing device according to claim 3, characterized in that: The mechanical arm 1 (6.1) comprises a clamping jaw 1 and a driving member 1 for driving the clamping jaw to be tensioned, the output end of the driving member 1 is provided with the clamping jaw, and the driving member 1 is arranged on the moving component (3); The mechanical arm 2 (6.2) comprises a clamp 2 (6.2.3), a drive member 2 (6.2.1) and a drive member 3 (6.2.2); the clamp 2 (6.2.3), the drive member 2 (6.2.1) and the drive member 3 (6.2.2) are all arranged on the moving assembly (3); the clamp 2 (6.2.3) is used to clamp the fixed block (4.3); the drive member 2 (6.2.1) is used to provide power to the transmission member 1 (4.1.1); and the drive member 3 (6.2.2) is used to provide power to the transmission member 2 (4.1.2).

5. The micro-solid automatic weighing device according to claim 4, characterized in that: The weighing assembly (2) comprises a base (2.1), a driving member 2 (2.2), a weighing device (2.6), a connecting arm (2.3) and a slow-down platform; The base (2.1) is arranged on the storage platform (1); a driving member 2 (2.2) is arranged on the base (2.1); a connecting arm (2.3) is arranged at the output end of the driving member 2 (2.2); the driving member 2 (2.2) is used to drive the connecting arm (2.3) to rise or fall; the slow-down platform (2.4) is arranged on the connecting arm (2.3); a space for placing a weighing device (2.6) is formed between the base (2.1), the connecting arm (2.3) and the slow-down platform (2.4); the slow-down platform (2.4) is provided with a circular hole for the weighing platform of the weighing device (2.6) to pass through; a fixing plate (2.5) is also arranged on the base; a limit slider is slidably arranged on the fixing plate (2.5); the limit slider is connected to the connecting arm; the sliding direction of the limit slider is consistent with the driving direction of the driving member.

6. The micro-solid automatic weighing device according to claim 5, characterized in that: The driving member 1, the driving member 2 (6.2.1), the driving member 3 (6.2.2) and the driving member 4 (2.2) are all motors.

7. The micro-solid automatic weighing device according to claim 5, characterized in that: The weighing component (2) also includes a windshield arranged on the storage platform (1).

8. The micro-solid automatic weighing device according to claim 1, characterized in that: It also includes a housing (7) which is slidably arranged on the storage platform (1).

9. The micro-solid automatic weighing device according to claim 1, characterized in that: The moving assembly (3) comprises an X-axis moving part, a Y-axis moving part and a Z-axis moving part, and a mechanical arm assembly (6) is arranged on the Z-axis moving part.

10. The micro-solid automatic weighing device according to claim 1, characterized in that: The system also includes a control cabinet, which is respectively connected to the weighing component (2), the moving component (3) and the mechanical arm component (6) by signals.

11. The micro-solid automatic weighing device according to claim 1, characterized in that: It also includes an identification module (10), a monitoring module (8) and an anti-slip component (15) which are arranged on the storage platform (1).

12. A weighing method, characterized in that: The micro-solid automatic weighing device according to any one of claims 1 to 11 comprises: S1. Set the weighing task; S2, clamping the weighing carrier (5) on the weighing component (2) by the mechanical arm component (6), and then driving the mechanical arm component (6) to clamp the material storage component (4) and drop the material onto the weighing carrier (5); S3, end the blanking and record the value of each blanking.

13. The weighing method according to claim 12, characterized in that: The blanking includes blanking link one, blanking link two and blanking link three. The blanking amount of blanking link one is 40%-80% of the total blanking amount in a single time; the blanking amount of blanking link two is 20%-50% of the total blanking amount in a single time; the blanking amount of blanking link three is 10%-40%.

14. The weighing method according to claim 12, characterized in that: The weighing task includes the number of times the material is dropped and the total amount of the material dropped in a single time.

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