A device for detecting the viscosity of a melt-cast energetic material

Abstract

The application discloses a kind of melt casting energy-containing material viscosity detection devices, it is related to energy-containing material parameter detection technical field, by heat preservation unit can heat mixed solid explosive and make it become fluid, under the control of discharging unit, flow out, record its weight change process by high-precision weighing module, to indirectly detect the viscosity of mixed explosive, simple structure, convenient operation.The whole detection process can be completed automatically, remote operation is convenient, reduce the risk of manual operation, can effectively improve the accuracy of viscosity detection, good safety.

Description

Technical Field

[0001] This invention relates to the field of energetic material parameter detection technology, and in particular to a viscosity detection device for cast energetic materials with heating and heat preservation functions. Background Technology

[0002] The preparation of energetic materials by molten casting refers to the method of melting energetic materials at high temperatures and then directly casting them into products. This method typically involves melting in an electric arc furnace, then pouring the melt into a high-temperature resistant mold, followed by cooling, crystallization, annealing, or cutting to form the final product. During the production process, high production efficiency, satisfactory crystallization, and the formation of a network structure are ensured by controlling the melting atmosphere, melting temperature, and cooling conditions. Molten casting energetic materials have wide applications in both military and civilian fields.

[0003] The detection of parameters for energetic materials in smelting and casting is used to obtain the physical property parameters required for calculation by simulation software for the smelting and casting process. Currently, the viscosity detection of mixed explosives mostly adopts the traditional method of visual observation and timing, calculating the time required for a fixed volume of material to flow out, and then performing viscosity conversion. In practice, after holding the material at a certain temperature for a period of time, the stopper is manually opened, and the material begins to flow out. When the liquid level of the material is visually observed to pass through indicator needle 1, the timing starts, and the timing stops when the liquid level passes through indicator needle 2. Then, based on the recorded time, the viscosity of the material is calculated according to a fixed formula.

[0004] However, manual observation methods have large errors and high risks, significantly impacting subsequent simulation calculations. Furthermore, the product is an energetic material, making manual observation and timing highly dangerous. Summary of the Invention

[0005] In view of the above problems, the present invention provides a viscosity detection device for cast energetic materials to overcome or at least partially solve the above problems. It realizes the functions of heating and holding mixed explosives and automatic viscosity detection, providing material characteristic basis for subsequent simulation calculations. It solves the problems of large errors and safety hazards associated with manual detection.

[0006] This invention provides the following solution:

[0007] A viscosity testing device for cast energetic materials, comprising:

[0008] The bracket is used to support the various components;

[0009] A heat preservation unit is connected to the support frame. The heat preservation unit is used to heat the explosive inside it so that the explosive changes from a solid state to a liquid state.

[0010] A material feeding unit is connected to the heat preservation unit, and the material feeding unit is used to open and close the material feeding port of the heat preservation unit;

[0011] The weighing unit includes a weighing module and a receiving bucket. The receiving bucket is located above the weighing module and is used to receive liquid explosives flowing out through the discharge port so that the weighing module can weigh the liquid explosives.

[0012] A controller, which is connected to the heat preservation unit, the material feeding unit, and the weighing unit;

[0013] The controller is used to perform the following operations:

[0014] The feeding unit is controlled to block the feeding port;

[0015] The insulation unit is controlled to heat the solid explosive located inside it;

[0016] After determining that the explosive has changed from a solid state to a liquid state, the feeding unit is controlled to open the feeding port so that the explosive in liquid state flows into the receiving bucket through the feeding port;

[0017] After the material feeding is completed, record the feeding time of the feeding process and receive the weight change value collected by the weighing module;

[0018] The viscosity value of the explosive is calculated using the discharge time and the weight change value.

[0019] Preferably, the heat preservation unit includes a cone, a heat preservation cavity located outside the cone, and a heating medium supply mechanism, wherein the interior of the cone is used to contain the explosive; the controller is connected to the heating medium supply mechanism.

[0020] Preferably, the heating medium supply mechanism includes a feed pipe connected to the upper part of the insulation cavity and a discharge pipe connected to the lower part of the insulation cavity.

[0021] Preferably, the upper part of the cone is provided with a cover plate, and the discharge port is provided at the bottom of the cone.

[0022] Preferably, the feeding unit includes a clamping cylinder, a blocking plate, and a connecting plate; the cylinder body of the clamping cylinder is connected to the heat preservation unit, and the blocking plate is connected to the piston rod of the clamping cylinder through the connecting plate; the controller is connected to the clamping cylinder.

[0023] Preferably, the feeding unit includes a linear cylinder, a blocking ramp, a feeding flange, and a flange baffle; the feeding flange is connected to the feeding port, the feeding flange is connected to the flange baffle, and the flange baffle is provided with a groove for the blocking ramp to slide; the piston rod of the linear cylinder is connected to the blocking ramp.

[0024] The discharge flange is provided with a through hole extending vertically and a side opening for the material blocking inclined block to enter and exit. A sloped structure is formed at the position where the side opening connects with the through hole. The linear cylinder is used to drive the material blocking inclined block to slide along the slide groove so that it can enter and exit the discharge flange through the side opening. After the material blocking inclined block enters the discharge flange, the material blocking inclined surface of the material blocking inclined block contacts the sloped structure to seal the through hole.

[0025] Preferably, the angle of the blocking slope of the blocking block is 0° to 90°.

[0026] Preferably, the weighing module includes either a weight-adding weighing module or a weightless weighing module.

[0027] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0028] This application provides a viscosity testing device for cast energetic materials. A heat-insulating unit heats a mixed solid explosive into a fluid, which then flows out under the control of a discharge unit. A high-precision weighing module records the weight change process, thereby indirectly detecting the viscosity of the mixed explosive. The device has a simple structure and is easy to operate. The entire testing process can be completed automatically, facilitating remote operation, reducing the risks of manual operation, effectively improving the accuracy of viscosity testing, and offering good safety.

[0029] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly described below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0031] Figure 1 This is a schematic diagram of the structure of a viscosity detection device for cast energetic materials provided in an embodiment of the present invention;

[0032] Figure 2 This is a schematic diagram of the structure of the heat preservation unit provided in an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the cone-shaped cylinder provided in an embodiment of the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of a material feeding unit provided in one embodiment of the present invention;

[0035] Figure 5 This is a schematic diagram of the structure of the feeding unit provided in another embodiment of the present invention;

[0036] Figure 6 This is a cross-sectional view of the feeding unit provided in another embodiment of the present invention;

[0037] Figure 7 This is a schematic diagram of the structure of the blocking inclined block provided in an embodiment of the present invention;

[0038] Figure 8 This is a schematic diagram of the material discharge flange provided in an embodiment of the present invention;

[0039] Figure 9 This is a schematic diagram of the flange baffle provided in an embodiment of the present invention;

[0040] Figure 10 This is a schematic diagram of the connection state between the feeding unit and the heat preservation unit provided in an embodiment of the present invention.

[0041] In the diagram: 1. Support frame; 2. Insulation unit; 21. Cone; 22. Insulation cavity; 23. Feed pipe; 24. Discharge pipe; 25. Cover plate; 3. Discharge unit; 31. Clamping cylinder; 32. Blocking plate; 33. Connecting plate; 34. Linear cylinder; 35. Blocking inclined block; 36. Discharge flange; 37. Flange baffle; 4. Weighing unit; 41. Weighing module; 42. Receiving bucket. Detailed Implementation

[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention are within the scope of protection of the present invention.

[0043] See Figure 1 This invention provides a viscosity detection device for cast energetic materials, such as... Figure 1 As shown, the device may include:

[0044] Support 1, which is used to support the various components;

[0045] The heat preservation unit 2 is connected to the support 1. The heat preservation unit 2 is used to heat the explosive inside it so that the explosive changes from a solid state to a liquid state.

[0046] The material discharging unit 3 is connected to the heat preservation unit 2, and the material discharging unit 3 is used to open and close the material discharging port of the heat preservation unit 2;

[0047] The weighing unit 4 includes a weighing module 41 and a receiving bucket 42. The receiving bucket 42 is located above the weighing module 41 and is used to receive liquid explosives flowing out through the discharge port so that the weighing module 41 can weigh the liquid explosives. Specifically, the weighing module 41 includes either a weight-increasing weighing module or a weightless weighing module.

[0048] The controller is connected to the heat preservation unit 2, the material feeding unit 3 and the weighing unit 4;

[0049] The controller is used to perform the following operations:

[0050] The feeding unit 3 is controlled to block the feeding port;

[0051] The insulation unit 2 is controlled to heat the solid explosive located inside it;

[0052] After determining that the explosive has changed from a solid state to a liquid state, the feeding unit 3 is controlled to open the feeding port so that the explosive in liquid state flows into the receiving bucket 42 through the feeding port;

[0053] After the material feeding is completed, record the feeding time of the feeding process and receive the weight change value collected by the weighing module 41;

[0054] The viscosity value of the explosive is calculated using the discharge time and the weight change value.

[0055] The viscosity testing device for cast energetic materials provided in this application can automatically execute steps such as heating, discharging, and weighing of explosives through a controller. During viscosity testing, personnel do not need to approach the equipment, greatly improving safety. The heat preservation unit 2 can heat and maintain the temperature of the mixed explosives, turning solid explosives into a liquid fluid. The discharging unit 3 enables automatic discharging, facilitating remote operation and reducing the risks associated with manual operation. The weighing unit 4 can automatically complete the weighing process, calculating the outflow time and velocity of the material by weighing the outflowing material, indirectly measuring the viscosity of the material. The device is simple to operate and highly accurate.

[0056] The heat preservation unit 2 provided in this embodiment is used to heat solid explosives, causing them to change from a solid state to a liquid state, facilitating the outflow of the explosives. To improve safety during heating, this embodiment can provide the heat preservation unit 2 including a cone 21, a heat preservation cavity 22 located outside the cone 21, and a heating medium supply mechanism. The interior of the cone 21 is used to contain the explosives; the controller is connected to the heating medium supply mechanism.

[0057] Furthermore, such as Figure 2 , Figure 3 As shown, the heating medium supply mechanism includes an inlet pipe 23 connected to the upper part of the insulation cavity 22 and an outlet pipe 24 connected to the lower part of the insulation cavity 22. The heating medium can be a liquid or gaseous fluid, added into the insulation cavity 22 through the inlet pipe 23, and discharged through the outlet pipe 24 after heat exchange. Since there is no open flame during the heating process, safety is greatly improved.

[0058] To facilitate the addition of explosives into the cone 21 and the outflow of liquid explosives, this embodiment of the application may provide a cover plate 25 on the upper part of the cone 21, and the discharge port is located at the bottom of the cone 21.

[0059] The feeding unit 3 provided in this embodiment is mainly used to control whether the explosive in the cone 21 flows out. This feeding unit 3 can take various forms; for example, in one implementation, such as... Figure 4 As shown, the material feeding unit 3 in this application embodiment may include a clamping cylinder 31, a blocking plate 32, and a connecting plate 33; the cylinder body of the clamping cylinder 31 is connected to the heat preservation unit 2, and the blocking plate 32 is connected to the piston rod of the clamping cylinder 31 through the connecting plate 33; the controller is connected to the clamping cylinder 31.

[0060] In this detection method, the cone 21 and the insulation cavity 22 are seamlessly fitted. The material is placed inside the cone 21, and the heating medium is placed inside the insulation cavity 22 to heat the material inside the cone 21. The clamping cylinder 31 of the feeding unit 3 retracts, causing the blocking plate 32 to block the outlet of the insulation unit 2. The material is then placed into the cone 21, and the heating medium is introduced to heat the material. After heating, the material becomes fluid, causing the clamping cylinder 31 to extend, and the material flows out of the insulation unit 2 and falls into the receiving bucket 42 below. The weighing module 41 begins to record the weight change. After the material has completely flowed out, the viscosity of the material is calculated based on the time period during which the weight change is uniform.

[0061] In another implementation, such as Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 As shown in the embodiment of this application, the material feeding unit 3 may also include a linear cylinder 34, a blocking inclined block 35, a feeding flange 36, and a flange baffle 37; the feeding flange 36 is connected to the feeding port, the feeding flange 36 is connected to the flange baffle 37, and the flange baffle 37 is provided with a groove for the blocking inclined block 35 to slide; the piston rod of the linear cylinder 34 is connected to the blocking inclined block 35.

[0062] The discharge flange 36 is provided with a through hole extending vertically and a side opening for the material blocking inclined block 35 to enter and exit. The side opening is connected to the through hole and a sloped structure is formed. The linear cylinder 34 is used to drive the material blocking inclined block 35 to slide along the slide groove so that it can enter and exit the discharge flange 36 through the side opening. After the material blocking inclined block 35 enters the discharge flange 36, the material blocking inclined surface of the material blocking inclined block 35 contacts the sloped structure to block the through hole.

[0063] Furthermore, the angle of the blocking inclined surface of the blocking inclined block 35 is 0° to 90°.

[0064] In this method, the detection device is implemented with the cone 21 and the insulation cavity 22 seamlessly fitted. The material is placed inside the cone 21, and the heating medium is placed inside the insulation cavity 22 to heat the material inside the cone 21. The linear cylinder 34 extends, causing the material blocking wedge 35 to block the outlet of the discharge flange 36, allowing the material to be placed into the cone 21. The heating medium is then introduced to heat the material, which becomes fluid after heating. This causes the linear cylinder 34 to retract, and the material flows out of the insulation unit 2 and falls into the receiving bucket 42 below. The weighing module 41 begins to record the weight change. After the material has completely flowed out, the viscosity of the material is calculated based on the time period during which the weight change is uniform.

[0065] In summary, the viscosity testing device for cast energetic materials provided in this application can heat a mixed solid explosive into a fluid through a heat preservation unit, allowing it to flow out under the control of a discharge unit. The weight change process is recorded by a high-precision weighing module, thereby indirectly detecting the viscosity of the mixed explosive. The device features a simple structure and convenient operation. The entire testing process can be completed automatically, facilitating remote operation, reducing the risks associated with manual operation, effectively improving the accuracy of viscosity testing, and offering good safety.

[0066] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0067] As can be seen from the above description of the embodiments, those skilled in the art can clearly understand that this application can be implemented by means of software plus necessary general-purpose hardware platforms. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in various embodiments or some parts of the embodiments of this application.

[0068] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, for system or system embodiments, since they are basically similar to method embodiments, the description is relatively simple, and relevant parts can be referred to the descriptions in the method embodiments. The systems and system embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without creative effort.

[0069] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention are included within the scope of protection of the present invention.

Claims

1. A castable energetic material viscosity detection device, comprising: The application relates to a device for measuring the viscosity of liquid explosives, which comprises the following parts: a support for bearing various components; a heat preservation unit connected with the support, which is used for heating explosives located inside the heat preservation unit to change the explosives from solid state into liquid state; a discharging unit connected with the heat preservation unit, which is used for opening and closing a discharging port of the heat preservation unit; the discharging unit comprises a linear air cylinder, a plugging inclined block, a discharging flange and a flange baffle; the discharging flange is connected with the discharging port, the discharging flange is connected with the flange baffle, the flange baffle is provided with a sliding groove for sliding of the plugging inclined block; a piston rod of the linear air cylinder is connected with the plugging inclined block; the discharging flange is provided with a through hole penetrating from top to bottom and a side opening for in-out of the plugging inclined block; a bevel structure is formed at a position where the side opening is connected with the through hole; the linear air cylinder is used for driving the plugging inclined block to slide along the sliding groove to in-out of the discharging flange through the side opening; after the plugging inclined block enters the inside of the discharging flange, a plugging bevel of the plugging inclined block is in contact with the bevel structure to realize plugging of the through hole; a weighing unit comprising a weighing module and a receiving bucket located at the upper part of the weighing module, which is used for receiving liquid explosives flowing out of the discharging port to realize weighing of the liquid explosives by the weighing module; a controller connected with the heat preservation unit, the discharging unit and the weighing unit; the controller is used for performing the following operations: controlling the discharging unit to act to plug the discharging port; controlling the heat preservation unit to heat solid explosives located inside the heat preservation unit; controlling the discharging unit to act to open the discharging port after the explosives change from solid state into liquid state to make the explosives in liquid state flow into the receiving bucket through the discharging port; recording discharging time of a discharging process and receiving a weight change value collected by the weighing module after completion of discharging; calculating the viscosity value of the explosives by using the discharging time and the weight change value.

2. The castable energetic material viscosity detection apparatus of claim 1, wherein, the heat preservation unit comprises a conical cylinder, a heat preservation cavity located outside the conical cylinder and a heating medium supply mechanism; the inside of the conical cylinder is used for containing the explosives; the controller is connected with the heating medium supply mechanism.

3. The castable energetic material viscosity detection apparatus of claim 2, wherein, the heating medium supply mechanism comprises a feeding pipe communicated with the upper part of the heat preservation cavity and a discharging pipe communicated with the lower part of the heat preservation cavity.

4. The castable energetic material viscosity detection apparatus of claim 2, wherein, the upper part of the conical cylinder is provided with a cover plate; the discharging port is arranged at the bottom of the conical cylinder.

5. The castable energetic material viscosity detection apparatus of claim 1, wherein, the angle of the plugging bevel of the plugging inclined block is 0-90 degrees.

6. The castable energetic material viscosity detection apparatus of claim 1, wherein, the weighing module comprises any one of a weight-increasing type weighing module and a weight-loss type weighing module.

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