Powder weighing and carrying device

Abstract

The invention discloses a powder weighing and carrying device which comprises a stock bin, a feeder, a weighing assembly and a powder receiving assembly. The material bin is provided with a material pouring port used for loading powder and a material discharging port used for discharging the powder, the feeder is connected with the material bin, and the feeder is used for sending out the powder in the material bin from the material discharging port; the weighing assembly comprises a weighing plate and a material cup used for containing powder, the weighing plate is fixedly installed on the rack, and the material cup is movably placed above the weighing plate; the powder receiving assembly comprises a linear driving piece and a hopper used for containing powder. The linear driving part is fixed to the rack and connected with the hopper so as to drive the hopper to move towards the position below the discharging port or avoid the discharging port. According to the technical scheme, the weighing precision and the weighing and distributing speed in the powder weighing process are improved with low cost.

Description

Technical Field

[0001] The invention relates to the technical field of powder material weighing and transporting, and in particular to a powder material weighing and transporting device. Background Art

[0002] In the production and packaging of zirconium oxide powder, it is usually necessary to weigh, divide, transport and press the zirconium oxide powder into cakes. However, during the weighing process, the discharge speed of the powder is slow, which leads to the problem of low powder weighing efficiency. On the basis of the above technical problems, it is easy for those skilled in the art to think of increasing the discharge speed of the powder. However, if a weighing device with low sensitivity is used, it cannot quickly respond to the weight of the powder, resulting in poor weighing accuracy of the equipment. If a weighing device with high sensitivity is used, however, this will lead to the problem of high equipment cost. Summary of the invention

[0003] The object of the present invention is to provide a powder material weighing and handling device, aiming to improve the weighing accuracy and the material distribution speed in the powder material weighing and material distribution process at a relatively low cost.

[0004] To achieve this object, the present invention adopts the following technical solutions: A powder material weighing and handling device comprises a material bin, a feeder, a weighing component and a powder receiving component; The silo has a pouring port for loading powder and a discharge port for discharging powder, and the feeder is connected to the silo, and the feeder is used to deliver the powder in the silo from the discharge port; The weighing assembly includes a weighing pan and a material cup for holding powder, the weighing pan is fixedly mounted on the frame, and the material cup is movably placed above the weighing pan; The powder receiving assembly includes a linear drive and a hopper for receiving powder; the linear drive is fixed to the frame, and the linear drive is connected to the hopper to drive the hopper to move toward the bottom of the discharge port or avoid the discharge port.

[0005] In one embodiment, the weighing assembly further comprises a support and a weighing sensor structure; The support is fixed to the frame, one end of the weighing sensor structure is connected to the support, and the other end is fixedly connected to the weighing pan.

[0006] In one embodiment, the weighing assembly further includes a detection sensor, the weighing pan has a hole, the detection sensor is installed below the weighing pan, and the detection sensor is used to detect the material cup above the weighing pan through the hole.

[0007] In one embodiment, the powder receiving assembly further includes an electromagnetic limiter; The driving end of the linear driving member is rotationally connected to the hopper via an elastic reset member. The electromagnetic limiting member is installed on the driving end of the linear driving member and can fix the hopper relative to the linear driving member.

[0008] In one embodiment, the hopper is in the shape of a dustpan with one end open.

[0009] In one embodiment, it further includes a first pressed powder carrier, a first gripper assembly, and a first robotic arm; The first compressed powder carrier placed on the frame has a powder collecting bin, the first robotic arm is fixed to the frame, the first robotic arm is connected to the first gripping assembly, the first gripping assembly is used to clamp the material cup and drive the material cup to rotate so as to pour the powder in the material cup into the powder collecting bin of the first compressed powder carrier.

[0010] In one embodiment, the first mechanical arm includes a first moving component, a first connecting arm and a first induction switch; The first moving assembly is fixed to the frame, and the first induction switch is located on the first moving assembly; the first clamping assembly is fixedly connected to the first connecting arm, and the first connecting arm is rotationally connected to the first moving assembly through a rotating cylinder; the first moving assembly can drive the first connecting arm to move in a first direction; When the first sensing switch senses the first connecting arm, the rotating cylinder drives the first connecting arm to rotate.

[0011] In one embodiment, the first mechanical arm further includes a second moving component, a second induction switch and a first pressing plate; The first pressure plate is fixedly connected to the first connecting arm, and the first pressure plate is arranged below the first clamping assembly; the second moving assembly is connected to the first moving assembly; the second sensing switch is located at the first moving assembly, and after the first connecting arm moves to the sensing area of ​​the second sensing switch, the second moving assembly can drive the first pressure plate to move in the second direction through the first moving assembly.

[0012] In one embodiment, it further includes a transmission component and a first stopper; The first compressed powder carrier is placed on the conveying assembly, and the conveying assembly is capable of transporting the first compressed powder carrier. The first limiting member is used to limit the material receiving position of the first compressed powder carrier.

[0013] In one embodiment, a scraper is further included. The scraper is disposed at the end of the conveying component and is used to scrape the powder in the powder collecting bin of the first pressed powder carrier flat.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The technical solution of the present invention is provided with a powder receiving assembly, which includes a linear drive and a hopper for receiving powder. After the linear drive receives the weight signal obtained by the weighing plate in the weighing assembly, the linear drive works and drives the hopper to move to the bottom of the discharge port. At this time, the hopper is used to receive the powder that is not stopped in time by the feeder or remains at the discharge port and enters the material cup, thereby avoiding the entry of powder of excess specifications into the material cup, thereby improving the weight accuracy of the powder weighing. In addition, the technical solution of the present invention avoids the use of a high-sensitivity weighing assembly under the condition of meeting the weight accuracy range by providing a powder receiving assembly, so the technical solution of the present invention improves the weighing accuracy in the powder weighing process at a relatively low cost. On the other hand, this solution improves the discharge speed of the powder by providing a feeder, thereby indirectly improving the weighing and dispensing speed of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 paying creative labor.

[0016] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0017] Figure 1 It is a structural schematic diagram of an embodiment of a powder material weighing and handling device of the present invention; Figure 2 It is a structural schematic diagram of a partial structure of a powder material weighing and handling device according to an embodiment of the present invention; Figure 3 It is a structural schematic diagram of an embodiment of a weighing component of the present invention; Figure 4 It is a structural schematic diagram of an embodiment of a powder receiving assembly of the present invention; Figure 5 It is a structural schematic diagram of another embodiment of the powder receiving assembly of the present invention; Figure 6 It is a structural schematic diagram of an embodiment of the first gripping assembly of the present invention; Figure 7 It is a structural schematic diagram of an embodiment of a powder material weighing and handling device of the present invention; Figure 8 for Figure 7 The changing state diagram; Illustration: 100, powder weighing and handling device; 110, material bin; 111, pouring port; 112, discharge port; 120, feeder; 130, weighing component; 131, weighing plate; 131a, hole; 132, material cup; 133, support; 134, weighing sensor structure; 135, detection sensor; 140, powder receiving assembly; 141, linear drive member; 142, hopper; 1421, first material receiving portion; 1422, second material receiving portion; 143, electromagnetic limiter; 144, movable rotating shaft; 150, first pressed powder carrier; 150a, powder collecting bin; 160, first gripping assembly; 170, first mechanical arm; 171, first moving assembly; 172, first connecting arm; 173, first induction switch; 174, second moving assembly; 175, second induction switch; 176, first pressing plate; 181, transmission component; 182, first limit member; 183, scraper; 190, frame; V1, first direction; V2, second direction; 210, second robotic arm;. DETAILED DESCRIPTION

[0018] In order to make the technical purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0020] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0021] The embodiment of the present invention provides a powder material weighing and transporting device 100 .

[0022] See also Figures 1 to 4 In one embodiment of the present invention, a powder material weighing and transporting device 100 includes: a material bin 110, a feeder 120, a weighing component 130 and a powder receiving component 140; The silo 110 has a pouring port 111 for loading powder and a discharge port 112 for discharging powder. The feeder 120 is connected to the silo 110 and is used to deliver the powder in the silo 110 from the discharge port 112. The weighing assembly 130 includes a weighing pan 131 and a material cup 132 for holding powder. The weighing pan 131 is fixedly mounted on the frame 190, and the material cup 132 is movably placed above the weighing pan 131. The powder receiving assembly 140 includes a linear drive member 141 and a hopper 142 for receiving powder; the linear drive member 141 is fixed to the frame 190, and the linear drive member 141 is connected to the hopper 142 to drive the hopper 142 to move downward toward the discharge port 112 or avoid the powder at the discharge port 112 from entering the material cup 132.

[0023] It is understandable that the technical solution of the present invention is provided with a powder receiving assembly 140, which includes a linear drive 141 and a hopper 142 for receiving powder. After the linear drive 141 receives the weight signal obtained by the weighing plate 131 in the weighing assembly 130, the linear drive 141 works and drives the hopper 142 to move to the bottom of the discharge port 112. At this time, the hopper 142 is used to receive the powder that is not stopped in time by the feeder 120 or remains at the discharge port 112 and enters the material cup 132, thereby avoiding the entry of powder of excess specifications into the material cup 132, thereby improving the weight accuracy of the powder weighing. Moreover, the technical solution of the present invention avoids the use of a highly sensitive weighing assembly 130 under the condition of meeting the weight accuracy range by providing the powder receiving assembly 140, so the technical solution of the present invention improves the weighing accuracy in the powder weighing process at a lower cost. On the other hand, this solution improves the discharge speed of the powder by providing the feeder 120, thereby indirectly improving the powder weighing speed of the powder.

[0024] It should be noted that, in the above embodiment, the feeder 120 may be a spiral impeller feeder 120 or a vibration feeder 120; the specific type of the feeder 120 is not limited herein.

[0025] It should also be noted that the weighing pan 131 can be an independent electronic weighing device, or a weighing sensor connected to the main controller of the device.

[0026] It should also be noted that the linear drive member 141 can be a telescopic cylinder or a hinged telescopic structure. The material cup 132 for holding powder is mainly used to hold the powder delivered from the discharge port 112 .

[0027] Optionally, the silo 110 is further provided with a silo cover, and the silo cover is used to cover the pouring port 111 to prevent impurities from contaminating the powder.

[0028] See also Figure 3 , the weighing assembly 130 also includes a support 133 and a weighing sensor structure 134; The support 133 is fixed to the frame 190 , one end of the weighing sensor structure 134 is connected to the support 133 , and the other end is fixedly connected to the weighing pan 131 .

[0029] Specifically, a strain gauge sensor element is mounted on the weighing sensor structure 134 to sense the external force applied to the end of the weighing pan 131 .

[0030] Specifically, the weighing sensor structure 134 is in a strip shape, and the connection portion near one end of the support 133 is more susceptible to stress deformation, thereby improving the weighing accuracy.

[0031] Please continue reading Figure 3 In a specific embodiment, the weighing component 130 further includes a detection sensor 135, the weighing pan 131 has a hole 131a, the detection sensor 135 is installed below the weighing pan 131, and the detection sensor 135 is used to detect the material cup 132 above the weighing pan 131 through the hole 131a.

[0032] It is understandable that the detection sensor 135 is mainly provided to provide a zeroing signal to the weighing sensor structure 134, so as to ensure the stability of the weighing data under multiple weighing conditions. Specifically, when the detection sensor 135 does not detect the material cup 132 through the hole 131a, the detection sensor 135 instructs the weighing sensor structure 134 to return the data to zero. Optionally, the detection sensor 135 can be an infrared sensor, an image sensor or an ultrasonic sensor.

[0033] See also Figure 4 In one embodiment, the powder receiving assembly 140 further includes an electromagnetic limiting member 143; The driving end of the linear driving member 141 is rotationally connected to the hopper 142 via an elastic reset member. The electromagnetic limiting member 143 is installed on the driving end of the linear driving member 141 and can fix the hopper 142 relative to the linear driving member 141.

[0034] Specifically, when the hopper 142 is loaded with enough powder, the electromagnetic limiter 143 releases the hopper 142, and the hopper 142 rotates relative to the elastic reset member to pour the powder into the cup 132. At this time, the empty hopper 142 can automatically reset with the electromagnetic limiter 143 under the reset drive of the elastic reset member.

[0035] Specifically, in order to facilitate pouring, the hopper 142 is in the shape of a dustpan with one end open. Furthermore, in order to improve the stability of the rotation and fixation of the hopper 142, a magnetized metal piece is also provided on one side of the hopper 142, and the magnetized metal piece includes one or more of iron, cobalt, and nickel. The electromagnetic limiter 143 is used to cooperate with the magnetized metal piece to fix the hopper 142.

[0036] Optionally, the elastic return member is an elastic return torsion spring.

[0037] Optionally, in order to ensure that the powder in the hopper 142 can be accurately poured into the material cup 132 , the hopper 142 is further provided with a visual sensor for accurately identifying the position of the material cup 132 .

[0038] Alternatively, if Figure 5 As shown, in another embodiment, the hopper 142 has two first material holding parts 1421 and second material holding parts 1422 arranged in opposite directions, and the hopper 142 is connected to the linear drive member 141 through a movable rotating shaft 144. When the first material holding part 1421 is filled with powder of sufficient weight, the electromagnetic limiting member 143 releases the hopper 142, so that the powder in the first material holding part 1421 is poured into the material cup 132. At the same time, the hopper 142 relies on the rotational inertia of the movable rotating shaft 144 to make the second material holding part 1422 cooperate with the electromagnetic limiting member 143 to perform alternating operations. The reliability of the flipping operation of the hopper 142 is further improved.

[0039] It can be understood that the hopper 142 has a first material holding portion 1421 and a second material holding portion 1422 disposed in opposite directions. Specifically, the first material holding portion 1421 and the second material holding portion 1422 are symmetrically disposed in a 180-degree rotation.

[0040] See also Figure 1 and Figure 6 In another embodiment of the present invention, the powder weighing and transporting device 100 further includes a first pressed powder carrier 150, a first gripping assembly 160 and a first mechanical arm 170; The first compressed powder carrier 150 placed on the frame 190 has a powder collecting bin 150a, the first robotic arm 170 is fixed to the frame 190, the first robotic arm 170 is connected to the first gripping assembly 160, the first gripping assembly 160 is used to clamp the material cup 132 and drive the material cup 132 to rotate so as to pour the powder in the material cup 132 into the powder collecting bin 150a of the first compressed powder carrier 150.

[0041] It should be noted that the first robotic arm 170 may be a six-axis robotic arm, a three-dimensional coordinate robotic arm, or a two-dimensional coordinate robotic arm.

[0042] Optionally, the first gripping assembly 160 is a gripping cylinder.

[0043] Optionally, in order to facilitate the first gripping assembly 160 to clamp and fix the material cup 132, a limiting groove is formed on the outer surface of the material cup 132, and the limiting groove is used to limit the gripping part of the first gripping assembly 160 to prevent the material cup 132 from falling during transportation.

[0044] It should also be noted that the first compressed powder carrier 150 has a powder collecting bin 150a, and the first compressed powder carrier 150 is made of metal. When the first compressed powder carrier 150 is transported to the next processing station, the powder in the powder collecting bin 150a can be directly extruded and formed.

[0045] See also Figure 1 In a specific embodiment, the first mechanical arm 170 includes a first moving component 171, a first connecting arm 172 and a first sensing switch 173; The first moving component 171 is fixed to the frame 190, and the first sensing switch 173 is located at the first moving component 171; the first clamping component 160 is fixedly connected to the first connecting arm 172, and the first connecting arm 172 is rotationally connected to the first moving component 171 through a rotating cylinder; the first moving component 171 can drive the first connecting arm 172 to move in the first direction V1; when the first sensing switch 173 senses the first connecting arm 172, the rotating cylinder drives the first connecting arm 172 to rotate.

[0046] It should be noted that, by setting the first moving assembly 171, the first gripping assembly 160 can be driven to move, so that the first gripping assembly 160 is close to the first powder carrier; when the first sensing switch 173 senses the first connecting arm 172, the rotating cylinder drives the first connecting arm 172 to rotate, so that the powder in the hopper 142 is poured into the powder collection bin 150a of the first pressed powder carrier 150. It can be understood that by using the first sensing switch 173 to sense the position of the first connecting arm 172, precise control of the movement of the connecting arm can be achieved, thereby improving the precision and accuracy of the operation. Through the synergistic effect of the sensing switch and the rotating cylinder, the function of the robot arm automatically rotating when sensing a specific position can be realized, which is helpful for the operation and process control on the automated production line and improves the stability of the equipment operation.

[0047] Please continue reading Figure 7 and Figure 8 , in another embodiment of the present invention, the first mechanical arm 170 further includes a second moving component 174, a second induction switch 175 and a first pressing plate 176; The first pressure plate 176 is fixedly connected to the first connecting arm 172, and the first pressure plate 176 is arranged below the first clamping assembly 160; the second moving assembly 174 is connected to the first moving assembly 171; the second sensing switch 175 is located at the first moving assembly 171, and after the first connecting arm 172 moves to the sensing area of ​​the second sensing switch 175, the second moving assembly 174 can drive the first pressure plate 176 to move in the second direction V2 through the first moving assembly 171.

[0048] It can be understood that after the powder in the material cup 132 is poured into the powder collecting bin 150a of the first powder pressing carrier 150, the powder has a conical shape. In order to facilitate the implementation of subsequent process conditions and reduce the waste of powder, before the first powder pressing carrier 150 is removed, the second moving component 174 drives the first pressing plate 176 to move in the second direction V2 through the first moving component 171 to flatten the above-mentioned powder.

[0049] See also Figure 7 In a specific embodiment, the powder weighing and transporting device 100 further includes a conveying component 181 and a first limiting member 182; The first compressed powder carrier 150 is placed on the conveying assembly 181 , and the conveying assembly 181 is capable of transporting the first compressed powder carrier 150 . The first limiting member 182 is used to limit the material receiving position of the first compressed powder carrier 150 .

[0050] Optionally, the first limiting member 182 is a limiting cylinder, which can limit the first compressed powder carrier 150 when the push rod end of the limiting cylinder is extended; and can release the first compressed powder carrier 150 after the push rod end of the limiting cylinder is retracted.

[0051] Furthermore, the powder weighing and conveying device 100 further includes a scraper 183 , which is disposed at the end of the conveying assembly 181 and is used to scrape the powder in the powder collecting bin 150 a of the first pressed powder carrier 150 .

[0052] See also Figure 7 In a specific embodiment of the present invention, the number of the silos 110 is multiple, and the multiple silos 110 can be divided into two or more groups, wherein the powder materials loaded in the two groups of silos 110 are different, such as Figure 7 As shown, the powder weighing and transporting device 100 also includes 180 210, the second robotic arm 210 has the same structure as the first robotic arm 170, so it will not be repeated here.

[0053] The second robot arm 210 is used to carry the material cup 132 of another powder material, and pour the powder material in the material cup 132 into a different first pressed powder carrier 150 or the same first pressed powder carrier 150. Thus, two kinds of powder materials can be pressed into cakes according to different proportions for packaging, thereby improving the processing efficiency of cake materials.

[0054] In one embodiment, the powder weighing and handling device 100 also includes a second robotic arm 210, which is used to carry a material cup 132 that is the same as the powder material carried by the first robotic arm 170, and pour the powder material in the material cup 132 into a different first compressed powder carrier 150, thereby improving the carrier's handling efficiency.

[0055] Furthermore, when the first mechanical arm 170 is used to load the first compressed powder carrier 150, when the first stopper 182 is activated, the first compressed powder carrier 150 that has been loaded by the second mechanical arm 210 can also be fed. Thus, continuous and uninterrupted feeding is achieved, and the production efficiency of powder feeding is improved.

[0056] Preferably, without changing the power of the feeder 120, multiple feeders 120 are operated simultaneously to reduce the downtime of the powder machine. The first pressed powder carrier 150 has multiple powder collecting bins 150a arranged in a single row, and multiple first gripping assemblies 160 can grab multiple material cups 132 at the same time and pour the powder into the multiple powder collecting bins 150a.

[0057] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A powder weighing and transporting device, characterized in that: include: Silo, feeder, weighing component and powder receiving component; The silo has a pouring port for loading powder and a discharge port for discharging powder, and the feeder is connected to the silo, and the feeder is used to deliver the powder in the silo from the discharge port; The weighing assembly includes a weighing pan and a material cup for holding powder, the weighing pan is fixedly mounted on the frame, and the material cup is movably placed above the weighing pan; The powder receiving assembly includes a linear drive and a hopper for receiving powder; the linear drive is fixed to the frame, and the linear drive is connected to the hopper to drive the hopper to move toward the bottom of the discharge port or avoid the discharge port.

2. The powder material weighing and transporting device according to claim 1, characterized in that: The weighing assembly also includes a support and a weighing sensor structure; The support is fixed to the frame, one end of the weighing sensor structure is connected to the support, and the other end is fixedly connected to the weighing pan.

3. The powder material weighing and transporting device according to claim 2, characterized in that: The weighing assembly further comprises a detection sensor. The weighing pan has a hole. The detection sensor is installed below the weighing pan. The detection sensor is used to detect a material cup above the weighing pan through the hole.

4. The powder material weighing and transporting device according to claim 1, characterized in that: The powder receiving assembly also includes an electromagnetic limiter; The driving end of the linear driving member is rotationally connected to the hopper via an elastic reset member. The electromagnetic limiting member is installed on the driving end of the linear driving member and can fix the hopper relative to the linear driving member.

5. The powder material weighing and transporting device according to claim 4, characterized in that: The hopper is in the shape of a dustpan with one end open.

6. The powder material weighing and transporting device according to claim 1, characterized in that: Also included is a first pressed powder carrier, a first gripper assembly, and a first robotic arm; The first compressed powder carrier placed on the frame has a powder collecting bin, the first robotic arm is fixed to the frame, the first robotic arm is connected to the first gripping assembly, the first gripping assembly is used to clamp the material cup and drive the material cup to rotate so as to pour the powder in the material cup into the powder collecting bin of the first compressed powder carrier.

7. The powder material weighing and transporting device according to claim 6, characterized in that: The first mechanical arm includes a first moving component, a first connecting arm and a first induction switch; The first moving assembly is fixed to the frame, and the first induction switch is located on the first moving assembly; the first clamping assembly is fixedly connected to the first connecting arm, and the first connecting arm is rotationally connected to the first moving assembly through a rotating cylinder; the first moving assembly can drive the first connecting arm to move in a first direction; When the first sensing switch senses the first connecting arm, the rotating cylinder drives the first connecting arm to rotate.

8. The powder material weighing and transporting device according to claim 7, characterized in that: The first mechanical arm also includes a second moving component, a second induction switch and a first pressing plate; The first pressure plate is fixedly connected to the first connecting arm, and the first pressure plate is arranged below the first clamping assembly; the second moving assembly is connected to the first moving assembly; the second sensing switch is located at the first moving assembly, and after the first connecting arm moves to the sensing area of ​​the second sensing switch, the second moving assembly can drive the first pressure plate to move in the second direction through the first moving assembly.

9. The powder material weighing and transporting device according to claim 8, characterized in that: It also includes a transmission component and a first limiter; The first compressed powder carrier is placed on the conveying assembly, and the conveying assembly is capable of transporting the first compressed powder carrier. The first limiting member is used to limit the material receiving position of the first compressed powder carrier.

10. The powder material weighing and transporting device according to claim 9, characterized in that: It also includes a scraper, which is arranged at the end of the conveying component and is used to scrape the powder in the powder collecting bin of the first pressed powder carrier flat.

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