Vacuum pouring explosive loading experimental device

Abstract

The invention provides a vacuum pouring charging experimental device. The vacuum pouring charging experimental device comprises a vacuum system, a hot water circulating system, a steam system, a pouring cylinder, a vacuum cylinder, a melting pot and a window, a cover plate is arranged at the top of the vacuum cylinder, the window is arranged above the cover plate, and the pouring cylinder is arranged above the window; the window is used for observing the blanking state; the vacuum system comprises a steam source which is connected with a vacuum cylinder and is used for providing vacuum conditions for a pouring process for the vacuum cylinder; the hot water circulating system and the vacuum system are respectively connected with the pouring cylinder, the vacuum cylinder and the medicine melting pot to provide a process temperature condition; the hot water circulating system comprises a hot water tank body, a heating pipe arranged in the hot water tank body, a hot water pump communicated with the hot water tank body, a hot water diverter communicated with the hot water pump and an electric control box electrically connected with the hot water pump and the heating pipe; and the hot water flow divider is communicated with the pouring cylinder, the vacuum cylinder and the medicine melting pot through valves.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum pouring charge experimental device, in particular to a vacuum pouring charge experimental device. Background Art

[0002] With the development of science and technology, charge column pouring technology has been widely used and developed in the field of cremation chemical industry. Taking PBX explosives as an example, PBX explosives, as a new type of safe and reliable explosive, have been widely used in shipborne ammunition and other fields. Many research results on PBX explosives are in the stage of conversion to practical application of automated production.

[0003] In the existing PBX slurry charging and pouring process, the PBX components are premixed in a kneading machine, and then the small components are added at once for mixing before pouring. The disadvantage of this method is that it is difficult to ensure the consistency of the quality of the poured column and it is difficult to adapt to continuous and batch casting production. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a vacuum pouring charging experimental device, comprising: a vacuum system, a hot water circulation system, a steam system, a pouring cylinder, a vacuum cylinder, a melting pot and a window; a cover plate is arranged on the top of the vacuum cylinder, the window is arranged above the cover plate, and the pouring cylinder is arranged above the window; the window is used to observe the falling state;

[0005] The vacuum system includes a steam source connected to the vacuum cylinder, and is used for the vacuum cylinder to provide vacuum conditions for the casting process;

[0006] The hot water circulation system and the vacuum system are respectively connected to the pouring cylinder, the vacuum cylinder and the melting pot to provide process temperature conditions; the hot water circulation system includes a hot water tank, a heating pipe arranged in the hot water tank, a hot water pump connected to the hot water tank, a hot water diverter connected to the hot water pump, and an electric control box electrically connected to the hot water pump and the heating pipe, and the hot water diverter is connected to the pouring cylinder, the vacuum cylinder and the melting pot through a valve.

[0007] Preferably, the casting cylinder includes a material cylinder, a speed regulating shaft arranged in the material cylinder, a handwheel is arranged at the upper end of the speed regulating shaft, and a valve is arranged at the bottom of the material cylinder, and the valve includes a movable valve plate and a fixed valve plate; the lower end of the speed regulating shaft is connected to the movable valve plate, and the movable valve plate is driven by the handwheel to move relative to the fixed valve plate to open or close the bottom valve, and the material cylinder is composed of an inner cylinder and an outer cylinder arranged in a nested manner, a first cavity is arranged between the inner cylinder and the outer cylinder, and the first cavity is connected to a steam nozzle.

[0008] Preferably, the hot water tank body comprises an inner tank body and an outer tank body which are nested, a first heat insulation board is arranged between the inner tank body and the outer tank body, and a water return port and an overflow port are arranged on the hot water tank body.

[0009] Preferably, the vacuum system includes a buffer tank, a vacuum pump connected to the buffer tank, a vacuum pipe and a vent pipe connected to the vacuum pump and the buffer tank, and a ball valve and a vacuum gauge arranged on the buffer tank.

[0010] Preferably, sealing gaskets are respectively arranged between the pouring cylinder and the viewing window, between the viewing window and the cover plate, and between the cover plate and the vacuum cylinder.

[0011] Preferably, the vacuum cylinder is an integral structure with an opening at the upper end, and comprises an inner and outer cylinder, a second heat insulation plate arranged between the inner and outer cylinders, an upper flange and a lower flange arranged at both ends of the inner and outer cylinders, a fixing frame for placing the mold is arranged inside the inner and outer cylinders, a cavity for accommodating steam is arranged between the inner and outer cylinders, a steam nozzle is arranged in communication with the cavity, and a vacuum nozzle is arranged inside the vacuum cylinder.

[0012] Preferably, the medicine melting pot comprises a pot body with an interlayer, and the pot body is provided with a lifting ear, a handle adapted to the lifting ear, and a duckbill opening arranged on one side.

[0013] Preferably, a connecting rod is provided at the bottom of the pot body on one side away from the duckbill opening, and a hinge hole is provided at the other end of the connecting rod, and the hinge hole is used for fixing the pot body.

[0014] Preferably, the window includes an upper connecting seat and a lower connecting seat, a window body arranged between the upper connecting seat and the lower connecting seat, and a light-transmitting plate arranged on the window body.

[0015] Beneficial effects of the present invention

[0016] The invention provides a vacuum pouring charging experimental device, comprising: a vacuum system, a hot water circulation system, a steam system, a pouring cylinder, a vacuum cylinder, a melting pot and a window; the vacuum system is connected with the vacuum cylinder to provide a vacuum condition for the pouring process; the hot water circulation system and the steam system can be respectively connected with the pouring cylinder, the vacuum cylinder and the melting pot to provide process temperature conditions such as heat preservation and heating; in addition, there are sealing pads between the pouring cylinder and the window, between the window and the cover plate, and between the cover plate and the vacuum cylinder; the pipelines of hot water and steam to the equipment adopt silicone tubes to be fastened with throat clamps, and there are splitter distribution branches; the vacuum pipeline adopts steel pipes, and the joints are connected with vacuum hoses and fastened with throat clamps.

[0017] When pouring PBX slurry, the hot water in the hot water tank is driven by the hot water pump and enters the hot water diverter. According to the process requirements, it enters the pouring cylinder, vacuum cylinder, and melting pot through valves; the vacuum pipeline is connected to the vacuum cylinder; the slurry is put into the pouring cylinder, the valve is opened, and the slurry falls from the discharge port of the pouring cylinder, and falls into the mold in the vacuum cylinder through the sieve plate, collector, window, etc. to form a charge.

[0018] When pouring the molten casting slurry, turn off the hot water, cut in the steam and start pouring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a structural schematic diagram of a hot water tank;

[0021] Figure 3 It is the structural schematic diagram of the vacuum cylinder;

[0022] Figure 4 It is a structural schematic diagram of the melting pot;

[0023] Figure 5 It is a schematic diagram of the structure of the window;

[0024] Figure 6 It is the structural schematic diagram of the casting cylinder;

[0025] Among them, 10-vacuum system, 11-buffer tank, 12-vacuum pump, 13-steam source, 20-hot water circulation system, 21-hot water tank, 22-heating pipe, 23-hot water pump, 24-electric control box, 25-inner box, 26-outer box, 27-first insulation board, 28-return port, 29-overflow port, 30-steam system, 40-pouring cylinder, 41-material cylinder, 42-speed regulating shaft, 43-hand wheel, 44-moving valve plate, 45-fixed valve plate, 46-inner cylinder, 47-outer cylinder, 50 -vacuum cylinder, 51-cover plate, 51-inner and outer cylinders, 52-second heat insulation board, 53-upper flange, 54-lower flange, 55-fixed frame, 56-cavity, 57-steam nozzle, 58-vacuum nozzle, 59-cover plate, 60-melting pot, 61-pot body, 62-lifting ear, 63-handle, 64-duckbill opening, 65-connecting rod, 66-hinge hole, 70-window, 71-upper connecting seat, 72-lower connecting seat, 73-window, 74-light-transmitting plate, 80-hot water diverter, 90-mold. DETAILED DESCRIPTION

[0026] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several variations and improvements may be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0027] Reference Figures 1 to 6

[0028] The present invention provides a vacuum pouring charging experimental device, which is suitable for pouring molten casting medicine and PBX medicine. It includes: a vacuum system 10, a hot water circulation system 20, a steam system 30, a pouring cylinder 40, a vacuum cylinder 50, a melting pot 60 and a window 70; the top of the vacuum cylinder 50 is provided with a cover plate 59, the window 70 is arranged above the cover plate 59, and the pouring cylinder 40 is arranged above the window 70; the window 70 is used to observe the blanking state; the vacuum system 10 includes a steam source 13, which is connected to the vacuum cylinder 50 and is used for the vacuum cylinder 50 to provide vacuum conditions for the pouring process; the hot water circulation system 20 and the vacuum system The system 10 is connected to the pouring cylinder 40, the vacuum cylinder 50, and the melting pot 60 respectively to provide process temperature conditions; the hot water circulation system 20 includes a hot water tank 21, a heating pipe 22 arranged in the hot water tank 21, a hot water pump 23 connected to the hot water tank 21, a hot water diverter 80 connected to the hot water pump 23, and an electric control box 24 electrically connected to the hot water pump 23 and the heating pipe 22. The hot water diverter 80 is connected to the pouring cylinder 40, the vacuum cylinder 50, and the melting pot 60 through a valve. The hot water diverter 80 includes a manifold, a diverter nozzle, a ball valve, a temperature gauge, and a gauge seat.

[0029] In one embodiment, the pouring cylinder 40 includes a material cylinder 41, a speed regulating shaft 42 disposed in the material cylinder 41, a hand wheel 43 disposed at the upper end of the speed regulating shaft 42, and a valve disposed at the bottom of the material cylinder 41, wherein the valve includes a movable valve plate 44 and a fixed valve plate 45; the lower end of the speed regulating shaft 42 is connected to the movable valve plate 44, and the movable valve plate 44 is driven by the hand wheel 43 to move relative to the fixed valve plate 45 to open or close the valve at the bottom, and the material cylinder 41 is a nested inner cylinder 46 and an outer cylinder 47, wherein a first cavity is disposed between the inner cylinder 46 and the outer cylinder 47, and a steam nozzle is disposed in communication with the first cavity. The material cylinder 41 is made of 304 stainless steel, and the pouring is suitable for both water and steam. The movable valve plate 44 and the fixed valve plate 45 adopt a crescent hole structure, and are equipped with a pointer and a dial handle combination to achieve the need for manual precision control of the pouring speed; a sieve plate can also be set at the inlet to achieve deep degassing of vacuum pouring; the outer layer of the pouring cylinder 40 is designed with an insulation layer to ensure the hot water temperature of the first cavity, and the heat radiation of the material cylinder 41 is reduced, which is beneficial to improving the working environment of the operator; a fastening cap is also provided to prevent the slurry from entering the gap between the relatively moving shaft sleeves when feeding, thereby ensuring the inherent safety of the process; the valve provided can realize the conversion of process conditions such as water / steam; a hand wheel 43 is provided to meet the operational needs of the assembly, disassembly and cleaning processes.

[0030] In one embodiment, the hot water tank 21 includes an inner box 25 and an outer box 26 which are nested, and a first insulation board 27 is arranged between the inner box 25 and the outer box 26. The hot water tank 21 is provided with a return port 28 and an overflow port 29. It is made of stainless steel material, has automatic temperature control, is equipped with an insulation cover, and water can be circulated.

[0031] In one embodiment, the vacuum system 10 includes a buffer tank 11, a vacuum pump 12 connected to the buffer tank 11, a vacuum pipe and a ventilation pipe connected to the vacuum pump 12 and the buffer tank 11, a ball valve and a vacuum gauge arranged on the buffer tank 11, and also includes a steam source 13.

[0032] In one embodiment, sealing gaskets are respectively provided between the pouring cylinder 40 and the viewing window 70 , between the viewing window 70 and the cover plate 59 , and between the cover plate 59 and the vacuum cylinder 50 .

[0033] In one embodiment, the vacuum cylinder 50 is an integral structure with an opening at the upper end, and includes an inner and outer cylinder 51, a second heat insulation board 52 arranged between the inner and outer cylinders 51, an upper flange 53 and a lower flange 54 arranged at both ends of the inner and outer cylinders 51, a fixing frame 55 for placing the mold 90 is arranged inside the inner and outer cylinders 51, a cavity 56 for accommodating steam is arranged between the inner and outer cylinders 51, a steam nozzle 57 is arranged in communication with the cavity 56, and a vacuum nozzle 58 is arranged inside the vacuum cylinder 50.

[0034] In one embodiment, the melting pot 60 includes a pot body 61 with an interlayer, and the pot body 61 is provided with a lifting ear 62, a handle 63 matched with the lifting ear 62, and a duckbill opening 64 arranged on one side.

[0035] In one embodiment, a connecting rod 65 is disposed at the bottom of the pot body 61 away from the duckbill opening 64 , and a hinge hole 66 is disposed at the other end of the connecting rod 65 . The hinge hole 66 is used to fix the pot body 61 .

[0036] In one embodiment, the viewing window 70 includes an upper connecting seat 71 and a lower connecting seat 72, a window body 73 disposed between the upper connecting seat 71 and the lower connecting seat 72, and a light-transmitting plate 74 disposed on the window body 73. The window body 73 is made of aluminum alloy material to meet the coordination of strength and weight; the light-transmitting plate 74 is made of organic glass to maintain good light transmittance. A first vacuum nozzle 58 is also provided to increase the vacuuming function of the viewing window 70 for easy operation.

[0037] Beneficial effects of the present invention

[0038] The present invention provides a vacuum pouring charging experimental device, comprising: a vacuum system 10, a hot water circulation system 20, a steam system 30, a pouring cylinder 40, a vacuum cylinder 50, a melting pot 60 and a window 70; the vacuum system 10 is connected with the vacuum cylinder 50 to provide a vacuum condition for the pouring process; the hot water circulation system 20 and the steam system 30 can be respectively connected with the pouring cylinder 40, the vacuum cylinder 50 and the melting pot 60 to provide process temperature conditions such as heat preservation and heating; in addition, there are sealing pads between the pouring cylinder 40 and the window 70, between the window 70 and the cover plate 59, and between the cover plate 59 and the vacuum cylinder 50; the hot water and steam pipelines and the equipment are fastened with silicone tubes with throat clamps, and there are splitter distribution branches; the vacuum pipelines are steel pipes, and the joints are connected with vacuum hoses fastened with throat clamps.

[0039] When pouring PBX slurry, the hot water in the hot water tank is driven by the hot water pump 23 and enters the hot water diverter 80, and enters the pouring cylinder 40, the vacuum cylinder 50, and the melting pot 60 through the valves according to the process requirements; the vacuum pipeline is connected to the vacuum cylinder 50; the slurry is put into the pouring cylinder 40, and the valve is opened. The slurry falls from the discharge port of the pouring cylinder 40, and falls into the mold 90 in the vacuum cylinder 50 through the sieve plate, the collector, the window 70, etc. to form a charge.

[0040] When pouring the molten casting slurry, turn off the hot water, cut in the steam and start pouring.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] The above contents are further detailed descriptions of the present invention in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention.

Claims

1. A vacuum pouring charging experimental device, characterized in that: include: A vacuum system, a hot water circulation system, a steam system, a pouring cylinder, a vacuum cylinder, a melting pot and a viewing window; a cover plate is provided on the top of the vacuum cylinder, the viewing window is provided above the cover plate, and the pouring cylinder is provided above the viewing window; the viewing window is used to observe the blanking state; The vacuum system includes a steam source connected to the vacuum cylinder, and is used for the vacuum cylinder to provide vacuum conditions for the casting process; The hot water circulation system and the vacuum system are respectively connected to the pouring cylinder, the vacuum cylinder and the melting pot to provide process temperature conditions; the hot water circulation system includes a hot water tank, a heating pipe arranged in the hot water tank, a hot water pump connected to the hot water tank, a hot water diverter connected to the hot water pump, and an electric control box electrically connected to the hot water pump and the heating pipe, and the hot water diverter is connected to the pouring cylinder, the vacuum cylinder and the melting pot through a valve.

2. The vacuum pouring charging experimental device according to claim 1 is characterized in that: The casting cylinder includes a material cylinder, a speed regulating shaft arranged in the material cylinder, a hand wheel is arranged at the upper end of the speed regulating shaft, and a valve is arranged at the bottom of the material cylinder, and the valve includes a movable valve plate and a fixed valve plate; the lower end of the speed regulating shaft is connected to the movable valve plate, and the movable valve plate is driven by the hand wheel to move relative to the fixed valve plate to open or close the bottom valve, and the material cylinder is composed of an inner cylinder and an outer cylinder arranged in a nested manner, and a first cavity is arranged between the inner cylinder and the outer cylinder, and the first cavity is connected to a steam nozzle.

3. The vacuum pouring charging experimental device according to claim 1 is characterized in that: The hot water tank body comprises an inner tank body and an outer tank body which are nested, a first heat insulation board is arranged between the inner tank body and the outer tank body, and a water return port and an overflow port are arranged on the hot water tank body.

4. The vacuum pouring charging experimental device according to claim 1 is characterized in that: The vacuum system includes a buffer tank, a vacuum pump connected to the buffer tank, a vacuum pipe and a vent pipe connected to the vacuum pump and the buffer tank, and a ball valve and a vacuum gauge arranged on the buffer tank.

5. The vacuum pouring charging experimental device according to claim 1 is characterized in that: Sealing pads are respectively arranged between the pouring cylinder and the viewing window, between the viewing window and the cover plate, and between the cover plate and the vacuum cylinder.

6. The vacuum pouring charging experimental device according to claim 1 is characterized in that: The vacuum cylinder is an integral structure with an opening at the upper end, and comprises an inner and outer cylinder, a second heat insulating plate arranged between the inner and outer cylinders, and an upper flange and a lower flange arranged at both ends of the inner and outer cylinders. A fixing frame for placing the mold is arranged inside the inner and outer cylinders, a cavity for accommodating steam is arranged between the inner and outer cylinders, a steam nozzle is arranged in communication with the cavity, and a vacuum nozzle is arranged inside the vacuum cylinder.

7. The vacuum pouring charging experimental device according to claim 1 is characterized in that: The medicine melting pot comprises a pot body with an interlayer, and the pot body is provided with a lifting ear, a handle matched with the lifting ear, and a duckbill opening arranged on one side.

8. The vacuum pouring charging experimental device according to claim 7 is characterized in that: A connecting rod is arranged at the bottom of the pot body on one side away from the duckbill opening, and a hinge hole is arranged at the other end of the connecting rod, and the hinge hole is used for fixing the pot body.

9. The vacuum pouring charging experimental device according to claim 1 is characterized in that: The viewing window comprises an upper connecting seat and a lower connecting seat, a window body arranged between the upper connecting seat and the lower connecting seat, and a light-transmitting plate arranged on the window body.

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