CN216012424U

CN216012424U - Static eliminating device and gunpowder weighing system with same

Info

Publication number: CN216012424U
Application number: CN202121693703.9U
Authority: CN
Inventors: 颜煜; 古亚康; 佘大鹏; 喻创; 李东旭
Original assignee: Hunan Mokai Intelligent Technology Co ltd
Current assignee: Hunan Mokai Intelligent Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-11
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a static electricity eliminating device, which is used for eliminating static electricity in gunpowder and comprises: the stirring device comprises a stirring part and a driving device, the stirring part is in transmission connection with the driving device so as to drive the stirring part to extend into or separate from the gunpowder and stir the gunpowder, and the stirring part is used for generating charges opposite to the charges carried by the gunpowder by friction with the gunpowder so as to neutralize the static electricity in the gunpowder. The static electricity in gunpowder can be neutralized and eliminated, so that the gunpowder is safer in the manufacturing process.

Description

Static eliminating device and gunpowder weighing system with same

Technical Field

The utility model relates to the technical field of gunpowder and explosive weighing, in particular to a static eliminating device and a gunpowder weighing system with the same.

Background

The powder is powder, and in its transportation preparation process, easily with other equipment friction and produce static for the powder has static, leads to the security of powder in the transportation preparation process not high, has certain use risk, and the powder of static has the potential safety hazard when storing.

For example, in the powder weighing process, an automatic powder weighing device is mostly adopted to weigh powder, but powder can contact and rub a blanking device during weighing, and the contact part can be the pipe wall of a transmission pipeline, so that the powder carries static electricity after blanking, and the static electricity can adversely affect the subsequent preparation and storage of the powder.

When gunpowder is weighed, the accuracy of the weighing machine is influenced by static electricity due to the existence of the static electricity in the gunpowder, so that the weighing result of the gunpowder has errors, the accuracy requirement of the gunpowder weighing is very high, and the weighing accuracy of the gunpowder cannot reach the standard, so that the weighing machine is easy to have bad influence on subsequent use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the static electricity eliminating device which can neutralize and eliminate the static electricity in the gunpowder, so that the gunpowder is safer in the manufacturing process.

A gunpowder weighing system with the static electricity eliminating device is also provided.

According to an embodiment of the first aspect of the present invention, a static electricity eliminating apparatus for eliminating static electricity in gunpowder includes: the stirring device comprises a stirring part and a driving device, the stirring part is in transmission connection with the driving device so as to drive the stirring part to extend into or separate from the gunpowder and stir the gunpowder, and the stirring part is used for generating charges opposite to the charges carried by the gunpowder by friction with the gunpowder so as to neutralize the static electricity in the gunpowder.

The static eliminating device provided by the embodiment of the utility model has the following beneficial effects:

1. in the process of stirring the gunpowder, charges opposite to the charges carried by the gunpowder are generated by the friction between the stirring part and the gunpowder, and then the static charges in the gunpowder are neutralized, so that the static in the gunpowder is completely eliminated, and the gunpowder is safer in the subsequent manufacturing process;

2. the influence of static electricity on gunpowder is eliminated, so that the accuracy of the gunpowder in weighing is higher.

According to some embodiments of the utility model, the drive means is a mechanical drive or a manual drive.

According to some embodiments of the utility model, the driving device comprises a lifting device and a rotating device, the position of the rotating device corresponds to the position of gunpowder, the stirring part is arranged on the rotating device to rotate along with the rotating device, the stirring part is arranged towards the gunpowder, the lifting device is arranged at one side of the gunpowder, the lifting device is in transmission connection with the rotating device through a mounting plate, and the rotating device is driven by the lifting device to move up and down through the mounting plate so as to extend the stirring part into the gunpowder.

According to some embodiments of the present invention, the stirring part is made of a metal-opposite material to generate an electric charge opposite to the electric charge of the powder by friction with the powder to neutralize the static electricity in the powder.

According to some embodiments of the present invention, a surface of the stirring portion is provided with a coating layer made of a metal-opposite material to generate an electric charge opposite to an electric charge of the powder by friction with the powder to neutralize static electricity in the powder.

According to some embodiments of the utility model, the lifting device comprises a lifting rod and a driving device, one end of the lifting rod is connected with the mounting plate, the other end of the lifting rod is in transmission connection with the driving device, and the mounting plate is driven by the driving device to move up and down through the lifting rod.

The gunpowder weighing system of the embodiment of the second aspect of the utility model comprises: the powder cup comprises a powder cup, a supporting device, a discharging device, a weighing device, a transmission device and the static eliminating device, wherein the weighing device is arranged on the supporting device, the discharging device is used for adding powder, the powder cup is used for bearing the powder added by the discharging device on the weighing device, the transmission device is used for transferring the powder cup, and the static eliminating device is used for eliminating the static of the powder in the powder cup after weighing.

The gunpowder weighing system provided by the embodiment of the utility model at least has the following beneficial effects: the static that produces in the gunpowder weighing process can be neutralized and eliminated to obtain uncharged gunpowder, and then reduced the possibility that the gunpowder explodes, the preparation is safer.

According to some embodiments of the utility model, the blanking device comprises a rough blanking structure, the rough blanking structure comprises a rough blanking pipeline and a rough blanking bin, the rough blanking bin is communicated with the gunpowder cup through the rough blanking pipeline, the rough blanking pipeline is sequentially provided with a first perforated pulling plate, a rough adjusting rod and a second perforated pulling plate from top to bottom, the first perforated pulling plate, the rough adjusting rod and the second perforated pulling plate are arranged in a sliding mode along the radial direction of the rough blanking pipeline, the first perforated pulling plate and the second perforated pulling plate are used for opening or closing the rough blanking pipeline, and the rough adjusting rod is used for adjusting the flow rate of gunpowder in the rough blanking pipeline.

According to some embodiments of the utility model, the blanking device further comprises a fine blanking structure, the fine blanking structure comprises a rotating pipe, a rotation driving device, a pivoting device and a blanking bin, the rotating pipe comprises a feeding end and a discharging end, the feeding end is communicated with the blanking bin, the blanking bin is used for adding gunpowder into the rotating pipe, the discharging end is positioned above the conveying device, and corresponding to the gunpowder cup, the pivoting device is fixedly arranged on the supporting device, the pivoting device is in transmission connection with the rotating pipe, the swinging end of the pivoting device corresponds to the feeding end, the winding shaft end corresponds to the discharge end so as to lift or lower the feed end of the rotating pipe relative to the discharge end of the rotating pipe, and the rotation driving device is arranged on the outer side of the rotating pipe so as to drive the rotating pipe to rotate.

According to some embodiments of the utility model, the weighing device further comprises a first damping device and a second damping device, the first damping device is arranged between the weighing device and the supporting device, the supporting device is provided with a mounting surface and a damping surface which are arranged oppositely, the weighing device is mounted on the mounting surface, and the second damping device is mounted on the damping surface.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an electrostatic eliminating apparatus according to a first aspect of the present invention;

FIG. 2 is a schematic view of a powder weighing system according to an embodiment of the second aspect of the present invention;

FIG. 3 is a schematic cross-sectional view of a powder weighing system in accordance with an embodiment of the second aspect of the present invention;

fig. 4 is a schematic diagram of the rough blanking structure of the powder weighing system according to the embodiment of the second aspect of the utility model.

Reference numerals:

100-a stirring device; 110-a stirring section; 120-a lifting device; 130-a rotation device;

200-a gunpowder cup; 300-a support device;

400-a blanking device; 410-rotating the tube; 420-a rotation drive; 430-pivoting means; 440-discharging the silo; 450-roughly adding a pipeline; 451-first perforated drawer panel; 452-roughly adding an adjusting rod; 453-second perforated pulling plate; 460-coarse blanking bin;

500-a weighing device; 600-transmission means.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, a static electricity eliminating apparatus according to an embodiment of the present invention for eliminating static electricity in gunpowder includes: the stirring device 100 comprises a stirring part 110 and a driving device, wherein the stirring part 110 is in transmission connection with the driving device so as to drive the stirring part 110 to extend into or separate from the gunpowder and stir the gunpowder, and the stirring part 110 is used for generating charges opposite to the charges carried by the gunpowder by friction with the gunpowder so as to neutralize the static electricity in the gunpowder.

Specifically, the gunpowder generally carries static electricity in the process of friction and collision, the essence of the static electricity is one of positive charge and negative charge, and when the powder is actually used, after the charge of the gunpowder is confirmed, a material which generates a charge opposite to the charge of the gunpowder due to friction with the gunpowder is selected as the stirring part 110, so that the stirring part 110 can be neutralized by friction with the gunpowder, the gunpowder is free of static electricity, and the gunpowder is safer in the subsequent manufacturing process. The influence of static electricity on gunpowder is eliminated, so that the accuracy of the gunpowder in weighing is higher.

In addition, before gunpowder is weighed, static electricity generated by the gunpowder can be eliminated, and the elimination mode is mostly a self-discharge type static eliminator which utilizes the point discharge effect of charges, when the charges attached to the gunpowder exceed a certain number, a needle-tip-shaped conductor is close to the charged gunpowder, corona discharge is generated between the gunpowder and the conductor, and the generated charges and the gunpowder have opposite polarities, so that the gunpowder is neutralized.

However, when the amount of charge carried by the powder is small, corona discharge may not occur between the needle-tip-shaped conductor and the powder. In this case, the "self-discharge" type static eliminator cannot completely eliminate the charge in the powder, and it is still necessary to completely eliminate the static by neutralizing the static in the powder by the stirring part 110, so that the weighing result of the powder is more accurate.

In some embodiments of the present invention, the driving device is a mechanical driving device or a manual driving device, the mechanical driving device is beneficial to realizing automation of the gunpowder manufacturing process, and when the enterprise cost is insufficient, manual stirring can be adopted.

Referring to fig. 1, in some embodiments of the present invention, the driving device includes a lifting device 120 and a rotating device 130, the position of the rotating device 130 corresponds to the position of the powder, the stirring part 110 is disposed on the rotating device 130 to rotate along with the rotating device 130, the stirring part 110 is disposed toward the powder, the lifting device 120 is disposed at one side of the powder, the lifting device 120 is in transmission connection with the rotating device 130 through a mounting plate, and the rotating device 130 is driven by the lifting device 120 to move up and down through the mounting plate to extend the stirring part 110 into the powder.

Specifically, gunpowder is stirred in a mechanical driving mode, the lifting device 120 is used for lowering the stirring part 110 on the rotating device 130, so that the stirring part 110 can extend into the gunpowder, the rotating device 130 is used for rotating, the stirring part 110 is used for stirring the gunpowder, and after the stirring is completed, the lifting device 120 is used for lifting the rotating device 130, so that the stirring part 110 is separated from the gunpowder, the next stirring is performed, and the automatic gunpowder stirring is realized.

Referring to fig. 1, in some embodiments of the present invention, the stirring part 110 is a plurality of stirring rods. The efficiency of stirring can be accelerated through setting up a plurality of puddlers to realize the abundant friction of puddler and gunpowder, make the efficiency of static neutralization higher.

In some embodiments of the present invention, the stirring part 110 is made of a metal-dissimilar material to generate charges opposite to those of the gunpowder by friction with the gunpowder to neutralize static electricity in the gunpowder.

Specifically, the metal dissimilarity refers to a material that rubs against gunpowder to generate two charges that are completely opposite, and the stirring portion 110 is directly made of the metal dissimilarity material, so that the stirring portion 110 rubs against the gunpowder to generate a charge that is opposite to the charge of the gunpowder, and further neutralizes static electricity in the gunpowder.

In addition, the materials with different metal properties can be selected according to the electrostatic sequence of the materials, which is a sequence formed by arranging various materials in sequence according to the polarity of static electricity generated when two materials are in contact with each other. According to this sequence, when the two substances are contacted, the former is positively charged and the latter is negatively charged. This can be explained by the difference in work function of various substances or the difference in polar groups of substances. In practical use, the selection of the metal-dissimilar materials can be made according to the electrostatic sequence of the material.

In some embodiments of the present invention, the surface of the stirring part 110 is provided with a coating layer made of a metal-opposite material to generate charges opposite to the charges of the gunpowder by friction with the gunpowder to neutralize the static electricity in the gunpowder.

Specifically, the metal dissimilarity refers to a material which generates two charges completely opposite to each other by friction with gunpowder, and the coating is arranged on the stirring part 110, so that in the process of stirring the gunpowder, charges opposite to the charges carried by the gunpowder are generated by the friction between the coating and the gunpowder, and original static charges in the gunpowder are neutralized, so that static in the gunpowder is completely eliminated, and the gunpowder is safer in the subsequent manufacturing process.

In some embodiments of the present invention, the rotating device 130 is a mechanical rotating table. The mechanical rotating platform is convenient to control and low in cost.

Referring to fig. 1, in some embodiments of the present invention, the lifting device 120 includes a lifting rod and a driving device, one end of the lifting rod is connected to the mounting plate, and the other end of the lifting rod is in transmission connection with the driving device, and the mounting plate is driven by the driving device to move up and down through the lifting rod. The driving device drives the lifting rod to lift, so that the mounting plate can move up and down along with the lifting rod, and the gunpowder can be automatically stirred.

Referring to fig. 1, 2 and 3, the powder weighing system according to the embodiment of the second aspect of the present invention includes: the powder cup 200, the supporting device 300, the discharging device 400, the weighing device 500, the transmission device 600 and the static electricity eliminating device according to the above first embodiment of the present invention are all arranged on the supporting device 300, the powder cup 200 is arranged on the transmission device 600, the discharging device 400 and the weighing device 500 are arranged in an up-and-down opposite manner, the transmission device 600 is located between the discharging device 400 and the weighing device 500 to convey the powder cup 200, the discharging device 400 is used for adding powder into the powder cup 200, the weighing device 500 is used for weighing the weight of the powder added into the powder cup 200, and the static electricity eliminating device is located on the rear side of the discharging device 400 along the transmission direction to eliminate the static electricity of the powder in the powder cup 200.

Specifically, after gunpowder is weighed and is accomplished, stir the gunpowder of accomplishing through electrostatic elimination device to neutralization and elimination are weighed the static that the in-process produced at the gunpowder, and then obtain uncharged gunpowder, reduced the possibility that the gunpowder explodes, make the gunpowder safer in subsequent preparation storage process.

And through setting up transmission device 600, after the powder in a powder cup 200 is filled and is accomplished, can carry out the transmission and transmit next empty powder cup 200 to between unloader 400 and weighing device 500, carry out powder addition and weigh on next step, realize that powder adds and weighs the automation, it is more convenient to use.

Referring to fig. 2, 3 and 4, in some embodiments of the present invention, the blanking apparatus 400 includes a rough blanking structure for roughly adding gunpowder to the pyrotechnic cup 200 and a fine blanking structure for precisely adding gunpowder to the pyrotechnic cup 200.

The rough blanking structure can add gunpowder into the gunpowder cup 200 quickly, the adding precision is insufficient, unqualified products are prone to occurring, the gunpowder adding speed of the fine blanking structure is slow, the adding precision is high, gunpowder in the gunpowder cup 200 is added to the weight close to the target value through the rough blanking structure, then the gunpowder in the gunpowder cup 200 is added to the target value through the fine blanking structure, and the gunpowder is more accurate when the gunpowder is added.

Referring to fig. 4, in some embodiments of the present invention, the blanking device 400 further includes a rough blanking structure, the rough blanking structure includes a rough feeding pipe 450 and a rough blanking bin 460, the rough blanking bin 460 is communicated with the explosive cup 200 through the rough feeding pipe 450, the rough feeding pipe 450 is provided with a first perforated pumping plate 451, a rough adjusting rod 452 and a second perforated pumping plate 453 sequentially from top to bottom, and all of the three are slidably disposed along a radial direction of the rough feeding pipe 450, the first perforated pumping plate 451 and the second perforated pumping plate 453 open or close the rough feeding pipe 450, and the rough adjusting rod 452 adjusts the flow rate of the explosive in the rough feeding pipe 450.

The specific working process is as follows: the provision of the first perforated pumping plate 451 and the second perforated pumping plate 453 in the rough feeder pipe 450 allows gunpowder to be fed into the cup 200 through the rough feeder pipe 450 only by passing through the holes in the first perforated pumping plate 451 and the second perforated pumping plate 453, so that the gunpowder can be fed into the cup 200 relatively quickly at a flow rate, and when the target value of the rough feeder structure is to be approached, the flow rate of the gunpowder in the pipe is reduced by extending the rough feeder adjustment rod 452 between the first perforated pumping plate 451 and the second perforated pumping plate 453, and when the target value of the rough feeder structure is reached, the rough feeder structure is closed.

Referring to fig. 2 and 3, in some embodiments of the present invention, the discharging device 400 further includes a fine discharging structure, the fine discharging structure includes a rotating pipe 410, a rotation driving device 420, a pivoting device 430 and a discharging bin 440, the rotating pipe 410 includes a feeding end and a discharging end, the feeding end is communicated with the discharging bin 440, the discharging bin 440 is used for adding gunpowder into the rotating pipe 410, the discharging end is located above the transmission device 600 and corresponds to the gunpowder cup 200, the pivoting device 430 is fixedly disposed on the supporting device 300, the pivoting device 430 is in transmission connection with the rotating pipe 410, the swinging end of the pivoting device 430 corresponds to the feeding end, the pivoting end corresponds to the discharging end, so as to raise or lower the feeding end of the rotating pipe 410 relative to the discharging end of the rotating pipe 410, and the rotation driving device 420 is disposed outside the rotating pipe 410 to drive the rotating pipe 410 to rotate.

Specifically, after the rough blanking structure finishes blanking, the fine blanking structure adds gunpowder into the gunpowder cup 200, the gunpowder in the blanking bin 440 enters the rotary pipe 410, the rotary pipe 410 rotates around the axial direction of the rotary pipe to move the gunpowder from the feeding end to the discharging end, and slowly adds the gunpowder into the gunpowder cup 410 of the weighing device 500, so that a small amount of gunpowder can be added quantitatively, accurate addition of the gunpowder can be realized, and the fine blanking is finished until a target value is reached.

In addition, still can be through the swing end of lifting around shaft pendulous device 430 for rotating tube 410 is in the tilt state, makes the powder in the rotating tube 410 can be very fast remove to the discharge end from the feed end, has improved the interpolation efficiency of powder in the smart unloading in-process, and can realize stopping fast reinforced through reducing around the swing end of shaft pendulous device 430, and control is more convenient.

Referring to fig. 4, in some embodiments of the present invention, the present invention further includes a first damping device and a second damping device, the first damping device is disposed between the weighing device 500 and the supporting device 300, the supporting device 300 is provided with a mounting surface and a damping surface which are oppositely disposed, the weighing device 500 is mounted on the mounting surface, and the second damping device is mounted on the damping surface.

Specifically, the weighing device 500 is isolated from the supporting device 300 by the first damping device, so as to reduce the influence of vibration on the weighing during the operation of the blanking device 400 or other devices, and further improve the weighing accuracy.

And the second damping device is arranged on the damping surface so as to reduce the influence of the vibration of the gunpowder weighing system on weighing and further improve the weighing accuracy.

The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. An electrostatic eliminating apparatus for eliminating static electricity in gunpowder, comprising:

the stirring device (100) comprises a stirring part (110) and a driving device, wherein the stirring part (110) is in transmission connection with the driving device so as to drive the stirring part (110) to extend into or separate from the gunpowder and stir the gunpowder, and the stirring part (110) is used for generating charges opposite to the charges carried by the gunpowder by friction with the gunpowder so as to neutralize the static electricity in the gunpowder.

2. The static elimination apparatus according to claim 1, wherein: the driving device is driven mechanically or manually.

3. The static elimination apparatus according to claim 1, wherein: the driving device comprises a lifting device (120) and a rotating device (130), the stirring part (110) is arranged on the rotating device (130) to rotate along with the rotating device (130), the lifting device (120) is in transmission connection with the rotating device (130) through a mounting plate, and the rotating device (130) is driven by the lifting device (120) to move up and down through the mounting plate so as to enable the stirring part (110) to extend into or separate from gunpowder.

4. The static elimination apparatus according to any one of claims 1 to 3, characterized in that: the stirring part (110) is made of metal dissimilar material to generate charges opposite to the charges carried by the gunpowder by friction with the gunpowder so as to neutralize the static electricity in the gunpowder.

5. The static elimination apparatus according to any one of claims 1 to 3, characterized in that: the surface of the stirring part (110) is provided with a coating layer, and the coating layer is made of metal dissimilar materials so as to generate charges opposite to the charges carried by the gunpowder by friction with the gunpowder, so as to neutralize the static electricity in the gunpowder.

6. The static elimination apparatus according to claim 3, wherein: the lifting device (120) comprises a lifting rod and a power device, one end of the lifting rod is connected with the mounting plate, the other end of the lifting rod is connected with the power device in a transmission mode, and the mounting plate is driven by the driving device to move up and down through the lifting rod.

7. A powder weighing system, comprising: the static electricity eliminating device comprises a gunpowder cup (200), a supporting device (300), a blanking device (400), a weighing device (500), a transmission device (600) and the static electricity eliminating device according to any one of claims 1 to 6, wherein the weighing device is arranged on the supporting device (300), the blanking device (400) is used for adding gunpowder, the gunpowder cup (200) is used for bearing the gunpowder added by the blanking device (400) on the weighing device (500), the transmission device is used for transferring the gunpowder cup (200), and the static electricity eliminating device is used for eliminating static electricity of the gunpowder in the gunpowder cup (200) after weighing.

8. A powder weighing system as recited in claim 7, wherein: unloader (400) are including thick blanking structure, thick blanking structure includes under thick pipeline (450) and thick feed bin (460), under thick feed bin (460) pass through thick pipeline (450) with gunpowder cup (200) are linked together, thick pipeline (450) top-down is equipped with first foraminiferous take out board (451), thick adjusting rod (452) and the foraminiferous take out board (453) of second in proper order, and these three all follow the radial direction slip setting of thick pipeline (450), first foraminiferous take out board (451) and the foraminiferous take out board (453) of second are in order to open or close thick pipeline (450), thick adjusting rod (452) are in order to adjust the gunpowder flow in thick pipeline (450).

9. A powder weighing system as recited in claim 8, wherein: the blanking device (400) further comprises a fine blanking structure, the fine blanking structure comprises a rotating pipe (410), a rotation driving device (420), a shaft-rotating device (430) and a blanking bin (440), the rotating pipe (410) comprises a feeding end and a discharging end, the feeding end is communicated with the blanking bin (440) and adds gunpowder into the rotating pipe (410) through the blanking bin (440), the discharging end adds gunpowder into the gunpowder cup (200) through the rotating pipe (410) and the shaft-rotating device (430), the shaft-rotating device (430) is in transmission connection with the rotating pipe (410), the swinging end of the shaft-rotating device (430) corresponds to the feeding end, the shaft-rotating end of the shaft-rotating device corresponds to the discharging end so as to raise or lower the feeding end of the rotating pipe (410) relative to the discharging end of the rotating pipe (410), and the rotation driving device (420) is arranged outside the rotating pipe (410), so as to drive the rotating pipe (410) to rotate.

10. A gunpowder weighing system as claimed in any one of claims 7 to 9, wherein: the damping device is characterized by further comprising a first damping device and a second damping device, wherein the first damping device is arranged between the weighing device (500) and the supporting device (300), the supporting device (300) is provided with two oppositely arranged mounting surfaces and a damping surface, the weighing device (500) is mounted on the mounting surfaces, and the second damping device is mounted on the damping surface.