A pneumatic cartridge charging device

Abstract

The application discloses a kind of pneumatic bullet charging device, including hopper, valve sleeve, valve core and elastic piece, the bottom of hopper is provided with leakage hole, valve sleeve is connected to the end of hopper away from leakage hole, valve sleeve is provided with air bag piece and air pipe assembly, valve core includes leakage, valve core stem and conical piece, be loaded into the agent to be charged in hopper, pneumatic control valve is inflated to air bag piece by air pipe assembly, air bag piece expands and extends to leakage hole axis direction, air bag piece changes from initial state to separate state with leakage hole, air bag piece separates from entire leakage hole, powder agent in hopper leaks into conical piece with leakage hole inner wall adhering to one end from the gap of air bag piece and leakage hole, agent powder falls into shell through the leakage of valve core bottom, air pipe assembly extracts air in air bag, air bag piece resets to adhere to leakage hole under the action of elastic piece, air bag piece seals leakage hole, agent in hopper stops blanking, so repeat, complete production line shell charging, can improve shell and bullet shell charging precision.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bullet charge, in particular to a kind of pneumatic bullet charging device. BACKGROUND

[0002] The existing bullet shell and tracer bullet head shell are filled with powder when the charge quantity in the shell is controlled by a spherical valve. Due to the metal characteristics of the spherical valve core, safety hazards are caused. In addition, the accuracy of the charge quantity in the shell and the bullet head shell has always been an important factor that puzzles the automatic production of bullets, and is also a major problem that the production line urgently needs to solve.

[0003] In summary, how to improve the charging accuracy of the shell and the bullet head shell is a problem that needs to be solved by the technical personnel in the field at present. SUMMARY

[0004] The purpose of the present application is to provide a kind of pneumatic bullet charging device, which can improve the charging accuracy of the shell and the bullet head shell.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A kind of pneumatic bullet charging device for filling the shell with powder, comprising:

[0007] A hopper is filled with powder inside, and a leakage hole is provided at the bottom of the hopper;

[0008] A valve sleeve is connected to one end of the hopper away from the leakage hole, the valve sleeve is provided with an air bag and an air pipe assembly, the air bag is located inside the leakage hole, the air pipe assembly is communicated with the air bag, and one end of the air pipe assembly away from the air bag is connected with a pneumatic control valve for controlling the air bag to adhere to or separate from the leakage hole;

[0009] A valve core includes a leakage port, a valve core rod and a conical part, the valve core rod is arranged inside the valve sleeve, the valve core rod is provided with a limiting plate, the conical part is located at the end of the valve core rod, one end of the conical part adheres to the inner wall of the leakage hole, and the powder falls into the shell along the leakage port through the conical part;

[0010] An elastic member is connected to both ends of the air bag for resetting the air bag, and the limiting plate is used to limit the displacement of the elastic member.

[0011] As a preferred, the air bag is provided with two air bag surfaces, the two air bag surfaces have elasticity, in the inflated state, the two air bag surfaces are away from each other, the air bag separates from the leakage hole, in the evacuated state, the two air bag surfaces adhere to each other, and the air bag adheres to the leakage hole.

[0012] As a preferred, the air pipe assembly includes a gas supply pipe and a vacuum pipe, the gas supply pipe and the vacuum pipe are both communicated with the air bag, the gas supply pipe is located on both sides of the vacuum pipe, and the vacuum pipe is sleeved outside the valve core rod.

[0013] As a preferred, the valve core rod and the vacuum pipe are coaxially arranged, and a gap is formed between the valve core rod and the vacuum pipe.

[0014] Preferably, the funnel is provided with a funnel rim at the end away from the orifice, and the valve sleeve is connected to the funnel rim.

[0015] Preferably, the valve sleeve is provided with a support plate at the end away from the air bag, and the support plate is connected to the funnel rim by a fixing member.

[0016] Preferably, the air supply pipe and the vacuum pipe are arranged through the support plate.

[0017] Preferably, the air bag surface is made of flexible rubber.

[0018] Preferably, the fixing member is a screw.

[0019] Preferably, the elastic member is a spring.

[0020] With respect to the background art, the pneumatic bullet charging device provided by the present application is used for charging a cartridge with a medicament, and comprises a funnel, a valve sleeve, a valve core and an elastic member. The funnel is internally filled with the medicament, and is provided with an orifice at the bottom. The valve sleeve is connected to the end of the funnel away from the orifice, and is provided with an air bag and an air pipe assembly. The air bag is located inside the orifice, and the air pipe assembly is connected to the air bag. The end of the air pipe assembly away from the air bag is connected with a pneumatic control valve for controlling the air bag to adhere to or separate from the orifice. The valve core comprises a valve port, a valve core rod and a conical member. The valve core rod is arranged through the inside of the valve sleeve, and is provided with a limiting plate. The conical member is located at the end of the valve core rod, and one end of the conical member adheres to the inner wall of the orifice. The medicament falls into the cartridge along the valve port through the conical member. The elastic member is connected to both ends of the air bag for resetting the air bag. The limiting plate is used for limiting the displacement of the elastic member.

[0021] Specifically, the medicament to be charged is filled in the funnel, the pneumatic control valve inflates the air bag through the air pipe assembly, the air bag expands and extends in the axial direction of the orifice, the air bag changes from the initial adhering state to the separated state, the air bag separates from the entire orifice, and the powder medicament in the funnel leaks into the conical member adhering to the inner wall of the orifice through the gap between the air bag and the orifice. The medicament powder falls into the cartridge through the valve port at the bottom of the valve core. The air pipe assembly extracts the air in the air bag, and the air bag resets to adhere to the orifice under the action of the elastic member. The air bag seals the orifice, and the medicament in the funnel stops falling. The above process is repeated to complete the charging of the cartridge on the production line, which can improve the charging precision of the cartridge and the bullet shell, and effectively solve the medicament amount control problem in the charging process and improve the safety of the charging. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only are a part of the present application, and the other drawings can be obtained by those of ordinary skill in the art without any creative work on the premise of the provided drawings.

[0023] Figure 1 A structural schematic diagram of the pneumatic bullet charging device provided by the embodiment of the present application;

[0024] Figure 2 A structural sectional view of the pneumatic bullet charging device provided by the embodiment of the present application;

[0025] Figure 3 A structural schematic diagram of the funnel provided by the embodiment of the present application;

[0026] Figure 4 A structural schematic diagram of the valve sleeve provided by the embodiment of the present application;

[0027] Figure 5 A structural schematic diagram of the valve core provided by the embodiment of the present application;

[0028] Wherein:

[0029] 100-funnel, 110-vent hole, 120-funnel edge;

[0030] 200-valve sleeve, 211-air bag surface, 221-gas delivery pipe, 222-vacuum pipe, 230-supporting plate;

[0031] 300-valve core, 310-vent, 320-valve core rod, 321-limiting plate, 330-tapered part;

[0032] 400-elastic member. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without any creative work on the premise are within the scope of the present application.

[0034] In order to make the technical personnel in the technical field better understand the present application, the present application will be further described in detail with reference to the accompanying drawings and specific embodiments.

[0035] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left" and "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated position or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] The application aims to provide a kind of pneumatic bullet charging device, can improve shell and bullet shell charging precision.

[0037] To achieve the above object, the present application provides the following technical solutions:

[0038] Please refer to Figure 1 And Figure 2 The embodiment provides a kind of pneumatic bullet charging device, for the medicine is loaded into shell, including hopper 100, valve sleeve 200, valve core 300 and elastic member 400.

[0039] Please refer to Figure 3 Hopper 100 is loaded with medicine inside, and the bottom of hopper 100 is provided with a leak hole 110.

[0040] Please refer to Figure 4 Valve sleeve 200 is connected to the end of hopper 100 away from leak hole 110, valve sleeve 200 is provided with air bag and air pipe assembly, air bag is located inside leak hole 110, air pipe assembly is communicated with air bag, and the end of air pipe assembly away from air bag is connected with pneumatic control valve, for controlling air bag to adhere or separate from leak hole 110.

[0041] It should be noted that the air bag adheres or separates from the leak hole 110 by the pneumatic control valve, thereby controlling whether the medicine loaded in the hopper 100 is discharged along the leak hole 110, and the pneumatic control valve can avoid human error.

[0042] Please refer to Figure 5 Valve core 300 includes leak 310, valve core rod 320 and conical part 330, valve core rod 320 is arranged inside valve sleeve 200, valve core rod 320 is provided with limit plate 321, conical part 330 is located at the end of valve core rod 320, one end of conical part 330 adheres to the inner wall of leak hole 110, and the medicine falls into the shell along the leak 310 through the conical part 330.

[0043] Elastic member 400 is connected to both ends of the air bag, for resetting the air bag, and limit plate 321 is used to limit the displacement of elastic member 400.

[0044] It can be understood that the valve core rod 320 is provided with the limit plate 321, and the limit plate 321 is used to limit the displacement of the elastic member 400, to prevent the air bag connected with the air pipe assembly from deforming excessively when inflated.

[0045] In the embodiment, the limiting plates 321 are two, and the two limiting plates 321 are located on the two sides of the elastic member 400. It should be noted that the size of the limiting plate 321 can be adjusted according to actual conditions, and the above purpose can be achieved.

[0046] Specifically, the funnel 100 is filled with the to-be-filled medicament, the pneumatic control valve inflates the air bag through the air pipe assembly, the air bag expands and elongates in the axis direction of the leakage hole 110, the air bag changes from the initial adhering state to the separated state with the leakage hole 110, the air bag is separated from the entire leakage hole 110, and the powder medicament in the funnel 100 leaks into the conical part 330 which is adhered to the inner wall of the leakage hole 110 through the gap between the air bag and the leakage hole 110. The medicament powder falls into the shell through the leakage hole 310 at the bottom of the valve core 300, the air pipe assembly extracts the air in the air bag, and the air bag is reset to adhere to the leakage hole 110 under the action of the elastic member 400. The air bag seals the leakage hole 110, and the medicament in the funnel 100 stops falling. Thus, the filling of the shell on the production line is completed, and the filling precision of the shell and the bullet shell can be improved.

[0047] Preferably, the air bag is provided with two air bag surfaces 211, and the two air bag surfaces 211 are elastic. In the inflated state, the two air bag surfaces 211 are away from each other, and the air bag is separated from the leakage hole 110. In the evacuated state, the two air bag surfaces 211 adhere to each other, and the air bag adheres to the leakage hole 110.

[0048] Please refer to Figure 4 It can be understood that the two air bag surfaces 211 are elastic. When the pneumatic control valve inflates the air bag through the air pipe assembly, the air bag expands and elongates in the axis direction of the leakage hole 110, the two elastic air bag surfaces 211 change from the initial adhering state to the separated state, and the air pipe assembly extracts the air in the air bag, the two elastic air bag surfaces 211 change from the separated state to the adhering state under the action of the elastic member 400.

[0049] It should be noted that in the embodiment, the two air bag surfaces 211 are both conical after being inflated, and the two conical air bag surfaces 211 are symmetrically distributed about the connection. In addition, the elasticity of the air bag surface 211 and the shape after being inflated can be adjusted according to actual conditions, and the above purpose can be achieved.

[0050] Preferably, the air pipe assembly includes a gas supply pipe 221 and a vacuum extraction pipe 222, and the gas supply pipe 221 and the vacuum extraction pipe 222 are both in communication with the air bag. The gas supply pipe 221 is located on the two sides of the vacuum extraction pipe 222, and the vacuum extraction pipe 222 is sleeved outside the valve core rod 320.

[0051] It can be understood that the tracheal assembly includes the air supply pipe 221 and the vacuum pipe 222 which are independent of each other, and the air supply pipe 221 and the vacuum pipe 222 are in communication with the air bag, and the air supply pipe 221 and the vacuum pipe 222 are respectively used for inflating and deflating the air bag, and in addition, the air supply pipe 221 is located on both sides of the vacuum pipe 222, and the vacuum pipe 222 is sleeved outside the valve core rod 320.

[0052] It should be noted that the inner diameters of the air supply pipe 221 and the vacuum pipe 222 can be adjusted according to actual conditions, as long as the above purposes can be achieved.

[0053] Preferably, the valve core rod 320 and the vacuum pipe 222 are coaxially arranged, and there is a gap between the valve core rod 320 and the vacuum pipe 222.

[0054] In the embodiment, the valve core rod 320 and the vacuum pipe 222 are coaxially arranged, and there is a gap between the valve core rod 320 and the vacuum pipe 222 for deflating the air bag, and in addition, the relative positions of the valve core rod 320 and the vacuum pipe 222 can also be adjusted according to actual conditions, as long as the above purposes can be achieved.

[0055] Preferably, the funnel 100 is provided with a funnel rim 120 at the end away from the leakage hole 110, and the valve sleeve 200 is connected to the funnel rim 120.

[0056] It can be understood that the funnel 100 is provided with a funnel rim 120 at the end away from the leakage hole 110, and the funnel rim 120 is connected to the outer side of the conical surface of the funnel 100 in a circular ring shape.

[0057] Preferably, the valve sleeve 200 is provided with a support plate 230 at the end away from the air bag, and the support plate 230 is connected to the funnel rim 120 through a fixing member.

[0058] In the embodiment, the valve sleeve 200 is provided with a support plate 230 at the end away from the air bag, and the support plate 230 is in a plate-shaped structure, and the two ends of the support plate 230 are connected to the funnel rim 120 through a fixing member, and the support plate 230 is used to maintain the stability of the entire valve sleeve 200 relative to the funnel 100.

[0059] It should be noted that the number and specific position of the fixing member can be adjusted according to actual conditions, as long as the above purposes can be achieved.

[0060] Preferably, the air supply pipe 221 and the vacuum pipe 222 are arranged through the support plate 230.

[0061] It can be understood that the air supply pipe 221 and the vacuum pipe 222 are used for gas flow, and in the embodiment, the air supply pipe 221 and the vacuum pipe 222 are arranged through the support plate 230 to ensure that the gas can flow.

[0062] Preferably, the air bag surface 211 is specifically flexible rubber.

[0063] In the embodiment, the airbag surface 211 is preferably flexible rubber, and the specific material of the airbag surface 211 can also be selected according to actual conditions, as long as the above purposes can be achieved.

[0064] Preferably, the fixing member is specifically a screw.

[0065] It can be understood that the fixing member is preferably a screw, which connects the support plate 230 and the funnel rim 120, facilitates installation under the premise of ensuring stability, and in addition, the screw can realize the relative detachability of the support plate 230 and the funnel rim 120, facilitating replacement when part of the components are damaged.

[0066] It should be noted that the screw can also be replaced by a bolt or other connecting member, as long as the above purposes can be achieved.

[0067] Preferably, the elastic member 400 is specifically a spring.

[0068] In the embodiment, the elastic member 400 is preferably a spring, and the elastic member 400 can be selected according to actual conditions, as long as the above purposes can be achieved.

[0069] The present application is a kind of pneumatic bullet charging device, for loading medicament into shell, including funnel 100, valve sleeve 200, valve core 300 and elastic member 400, the inside of funnel 100 is loaded with medicament, and the bottom of funnel 100 is provided with a leak hole 110;Valve sleeve 200 is connected to the end of funnel 100 away from leak hole 110, and valve sleeve 200 is provided with airbag and air pipe assembly, airbag is located inside leak hole 110, air pipe assembly is communicated with airbag, and the end of air pipe assembly away from airbag is connected with pneumatic control valve, for controlling airbag to adhere or separate from leak hole 110;Valve core 300 includes leak 310, valve core rod 320 and conical part 330, valve core rod 320 is arranged in the inside of valve sleeve 200, valve core rod 320 is provided with limit plate 321, conical part 330 is located at the end of valve core rod 320, one end of conical part 330 adheres to the inner wall of leak hole 110, and the medicament falls into the shell along the leak 310 through the conical part 330;Elastic member 400 connects the two ends of airbag, for resetting airbag, and limit plate 321 is used for limiting the displacement of elastic member 400;Airbag is provided with two airbag surfaces 211, and the two airbag surfaces 211 are elastic, in inflated state, the two airbag surfaces 211 are away from each other, airbag separates from leak hole 110, in evacuated state, the two airbag surfaces 211 adhere to each other, and airbag adheres to leak hole 110;Air pipe assembly includes air supply pipe 221 and vacuum pipe 222, air supply pipe 221 and vacuum pipe 222 are both communicated with airbag, air supply pipe 221 is located on both sides of vacuum pipe 222, and vacuum pipe 222 is sleeved on the outside of valve core rod 320.

[0070] Specifically, the funnel 100 is filled with the to-be-loaded agent, the pneumatic control valve inflates the air bag through the air pipe 221, the two air bag surfaces 211 of the air bag expand and elongate in the direction of the axis of the leakage hole 110, the two air bag surfaces 211 change from the initial adhering state to the separated state, the air bag is separated from the entire leakage hole 110, the spring connected to the two ends of the air bag is elongated with the air bag, the powder agent in the funnel 100 leaks into the conical part 330 located at the end of the valve core rod 320 and adhering to the inner wall of the leakage hole 110 through the gap between the air bag and the leakage hole 110, the agent powder falls into the shell through the leakage hole 310 and the conical part 330, the vacuum pipe 222 extracts the air in the air bag, the two air bag surfaces 211 change from the separated state to the initial adhering state under the action of the spring, the air bag is reset to adhere to the leakage hole 110, the air bag seals the leakage hole 110, and the agent in the funnel 100 stops falling, and the above process is repeated to complete the loading of the production line shell, the loading precision of the shell and the bullet shell can be improved, the agent amount control problem in the loading process can be effectively solved, and the safety of the loading can be improved.

[0071] In addition, the embodiment of the present application takes the shell as an example for illustration, which is not limited to the shell, but can also be other types of shell structures, and the device and the loading process provided by the embodiment can load the medicine into the shell structure.

[0072] It should be noted that in the present specification, the relationship terms such as first and second are only used to distinguish one entity from another, and do not necessarily require or imply any such actual relationship or order between the entities.

[0073] The above describes the embodiments of the present application in detail. The principles and implementation modes of the present application are described by applying specific examples, and the above description of the embodiments is only used to help understand the method of the present application and its core idea. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A pneumatic bullet loading device for loading a propellant into a cartridge case, characterized in that, include: The funnel (100) is filled with the medicine, and the bottom of the funnel (100) is provided with a leakage hole (110). A valve sleeve (200) is connected to the end of the funnel (100) away from the leak hole (110). The valve sleeve (200) is provided with an air bladder and an air tube assembly. The air bladder is located inside the leak hole (110). The air tube assembly is connected to the air bladder. The end of the air tube assembly away from the air bladder is connected to a pneumatic control valve for controlling the air bladder to adhere to or detach from the leak hole (110). The valve core (300) includes a drain (310), a valve core rod (320), and a conical member (330). The valve core rod (320) passes through the inside of the valve sleeve (200). The valve core rod (320) is provided with a limiting plate (321). The conical member (330) is located at the end of the valve core rod (320). One end of the conical member (330) is in contact with the inner wall of the drain hole (110). The medicine falls into the cartridge case through the conical member (330) along the drain (310). The elastic element (400) connects the two ends of the airbag and is used for the reset of the airbag. The limiting plate (321) is used to limit the displacement of the elastic element (400). The airbag has two airbag surfaces (211), which are elastic. When inflated, the two airbag surfaces (211) are far apart from each other, and the airbag is detached from the leak hole (110). When deflated, the two airbag surfaces (211) are in contact with each other, and the airbag is in contact with the leak hole (110). The air tube assembly includes an air supply tube (221) and a vacuum tube (222), both of which are connected to the airbag. The air supply tube (221) is located on both sides of the vacuum tube (222), and the vacuum tube (222) is sleeved on the outside of the valve core rod (320).

2. The pneumatic bullet loading device according to claim 1, characterized in that, The valve core rod (320) and the vacuum tube (222) are coaxially arranged, and there is a gap between the valve core rod (320) and the vacuum tube (222).

3. The pneumatic bullet loading device according to claim 1, characterized in that, The funnel (100) has a funnel edge (120) at one end away from the leakage hole (110), and the valve sleeve (200) is connected to the funnel edge (120).

4. The pneumatic bullet loading device according to claim 3, characterized in that, The valve sleeve (200) has a support plate (230) at the end opposite to the airbag, and the support plate (230) is connected to the funnel edge (120) by a fastener.

5. The pneumatic bullet loading device according to claim 4, characterized in that, The gas supply pipe (221) and the vacuum pipe (222) pass through the support plate (230).

6. The pneumatic bullet loading device according to claim 1, characterized in that, The airbag surface (211) is specifically made of flexible rubber.

7. The pneumatic bullet loading device according to claim 4, characterized in that, The fastener is specifically a screw.

8. The pneumatic bullet loading device according to any one of claims 1 to 7, characterized in that, The elastic element (400) is specifically a spring.

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