CN115322058A - Pretreatment method and system for recycling composite solid propellant Yu Feiyao - Google Patents

Pretreatment method and system for recycling composite solid propellant Yu Feiyao Download PDF

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Publication number
CN115322058A
CN115322058A CN202210738884.5A CN202210738884A CN115322058A CN 115322058 A CN115322058 A CN 115322058A CN 202210738884 A CN202210738884 A CN 202210738884A CN 115322058 A CN115322058 A CN 115322058A
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China
Prior art keywords
solid propellant
composite solid
supporting plate
vulcanizing
transfer trolley
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Granted
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CN202210738884.5A
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Chinese (zh)
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CN115322058B (en
Inventor
郭小平
李林远
张旭
赵如意
刘超
秦鹏
赵凯龙
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Xi'an Aerospace Chemical Propulsion Co ltd
Shaanxi Zhengmao Engineering Blasting Co ltd
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Xi'an Aerospace Chemical Propulsion Co ltd
Shaanxi Zhengmao Engineering Blasting Co ltd
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Priority to CN202210738884.5A priority Critical patent/CN115322058B/en
Publication of CN115322058A publication Critical patent/CN115322058A/en
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Publication of CN115322058B publication Critical patent/CN115322058B/en
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    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08Control devices operated by article or material being fed, conveyed or discharged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/32Filling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00Loading or unloading vehicles
    • B65G67/02Loading or unloading land vehicles
    • B65G67/04Loading land vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/20Auxiliary treatments, e.g. aerating, heating, humidifying, deaerating, cooling, de-watering or drying, during loading or unloading; Loading or unloading in a fluid medium other than air
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F1/00Preventing the formation of electrostatic charges

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The application discloses a pretreatment method and a pretreatment system for recycling a composite solid propellant Yu Feiyao, which comprises the steps of enabling the composite solid propellant to flow into a square billet box; detecting metal foreign matters in the composite solid propellant; when the metal foreign bodies are not detected, the transfer trolley is moved to one side of the vulcanizing rack, and the square billet box slides to one end of a supporting plate of the vulcanizing rack; the supporting plate is in a horizontal state through the lifting mechanism; starting a heating pipe on the vulcanizing frame to enable the composite solid propellant to be vulcanized into a rubber state from a slurry state, moving the transfer trolley to one side of the vulcanizing frame, and enabling the square billet box to slide to the charging seat; moving the transfer trolley to an initial position to enable the square billet box to slide to the box body conveying mechanism, and conveying the square billet box to the demolding mechanism for processing by the box body conveying mechanism; and cutting the composite solid propellant blocks into composite solid propellant dices through a dicing device. The application solves the problem that the composite solid propellant is difficult to be applied to the field of engineering blasting in the prior art.

Description

Pretreatment method and system for recycling composite solid propellant Yu Feiyao
Technical Field
The application belongs to the technical field of composite solid propellants, and particularly relates to a pretreatment method and a pretreatment system for recycling a composite solid propellant Yu Feiyao.
Background
The composite solid propellant is a high-quality energetic material, is mainly used as a power fuel for space-navigation launching rockets and various missiles, and has the increasingly important use amount and position of the composite solid propellant occupying most of the volume and weight of the rockets and missiles along with the increasing frequency of space-navigation launching and the increasing demand of national defense strength. However, during the charging of solid rocket engines, a certain amount of technological remnants are inevitably generated, and the remnants have the same charging performance as the engine, and only the manufacturing process and the performance detection need to be added during charging.
The residual materials and residual medicines in the domestic composite solid propellant process are destroyed in an incineration mode, the quantity of generated residual waste medicines is continuously increased along with the increasingly wide application of solid engines, and the incineration and destruction not only needs to invest a large amount of manpower, material resources and financial resources, but also generates toxic and harmful gases and causes certain pollution to the environment. In order to respond to national energy conservation and environmental protection, advocate green development, recycle waste and create certain economic benefits, the industrial application research of applying the composite solid propellant residual and waste medicines which need to be destroyed in the past to engineering blasting engineering is developed, through a large number of tests, the composite solid propellant residual and waste medicines are crushed or cut into small particles to exert the efficiency of the composite solid propellant to the maximum extent, but the processing of the composite solid propellant residual and waste medicines is different from the processing of conventional blasting materials, and no mature processing method is used for reference or reference, so that fire explosion accidents can be caused if the composite solid propellant is improperly processed, and the application of the composite solid propellant in the engineering blasting field is influenced.
Disclosure of Invention
The embodiment of the application solves the problem that the composite solid propellant in the prior art is difficult to apply to the field of engineering blasting by providing a pretreatment method and a pretreatment system for recycling the composite solid propellant Yu Feiyao.
In order to achieve the above purpose, an embodiment of the present invention provides a pretreatment method for recycling composite solid propellant Yu Feiyao, including the following steps:
moving the transfer trolley to an initial position, starting the box body conveying mechanism, and conveying Fang Pihe on the box body conveying mechanism to a loading seat of the transfer trolley by the box body conveying mechanism;
secondly, controlling an angle adjusting mechanism to enable the discharging pipe to be obliquely arranged downwards at a set angle;
starting the propelling mechanism, extruding the composite solid propellant in the feeding barrel through the discharge pipe by a material pushing disc of the propelling mechanism, and allowing the composite solid propellant to flow downwards into the square billet box;
step three, detecting metal foreign matters in the composite solid propellant by a metal detector below the charging seat;
after the square billet box is filled with the set amount of the composite solid propellant, closing the propelling mechanism, controlling the angle adjusting mechanism to enable the discharge pipe to be arranged in an inclined upward mode at the set angle, waiting for the composite solid propellant not to flow out through the discharge pipe any more, and executing a fourth step when the metal detector does not detect the metal foreign bodies in the process;
when the metal detector detects metal foreign matters, the propulsion mechanism is closed, and the angle adjusting mechanism is controlled to enable the discharging pipe to be arranged in an inclined upward mode at a set angle; after the composite solid propellant does not flow out through the discharge pipe, the direction of the charging seat to the waste material conveying mechanism is controlled to incline, so that the square billet box slides to the waste material conveying mechanism, the waste material conveying mechanism conveys the square billet box to the waste material collecting device for recycling, and then the step one is executed again;
starting the transfer trolley, enabling the transfer trolley to enter the vulcanization chamber and move to one side of the vulcanization frame, controlling the charging seat to incline towards the vulcanization frame, enabling the square billet box to slide to one end of a supporting plate of the vulcanization frame, enabling the supporting plate to be arranged in an inclined mode, and enabling the square billet box to slide to the other end of the supporting plate under the action of gravity of the square billet box;
step five, repeatedly executing the step one to the step four until the number of the square billet boxes on the supporting plate reaches a set number, starting a lifting mechanism of the vulcanizing rack, and driving one end of the supporting plate to move upwards by the lifting mechanism to enable the supporting plate to be in a horizontal state;
step six, closing a door of a vulcanization room, starting a heating pipe on a vulcanization frame to vulcanize the composite solid propellant from slurry state to a rubber state, and then opening the door of the vulcanization room;
moving the transfer trolley to one side of the vulcanizing rack, starting the lifting mechanism to enable the support plate to incline towards the direction of the transfer trolley, enabling the square billet box to slide onto the charging seat under the action of gravity, and then starting the lifting mechanism to enable the support plate to keep a horizontal state;
moving the transfer trolley to an initial position, controlling the direction of the charging seat to incline towards the box body conveying mechanism, enabling the square billet box to slide onto the box body conveying mechanism, starting the box body conveying mechanism, and conveying the square billet box to the demolding mechanism by the box body conveying mechanism for processing;
step nine, the step seven to the step eight are repeatedly executed until all the square blank boxes on the supporting plate are conveyed to the demolding mechanism through the box body conveying mechanism;
step ten, after the composite solid propellant block in the square billet box is demoulded by the demoulding mechanism, the composite solid propellant block is cut into composite solid propellant dices by a dicing device.
In a possible implementation manner, the step five further includes the following steps: after the supporting plate is in a horizontal state, starting a locking mechanism on the supporting plate, and moving an inserted rod of the locking mechanism into a locking hole on a supporting frame of the vulcanizing frame to relatively fix the supporting plate and the supporting frame;
the seventh step also comprises the following steps: before the lifting mechanism is started, the locking mechanism is started to move the inserted rod out of the locking hole; after the supporting plate is in a horizontal state, the locking mechanism is started, and the inserted rod is moved into the locking hole.
In a possible implementation manner, the step five further includes the following steps:
after the number of the square billet boxes on the supporting plate reaches the set number, the transfer trolley transfers the square billet boxes to the other supporting plate below the supporting plate;
moving the square billet boxes filled with the composite solid propellant to one side of a vulcanizing rack by using a transfer trolley, controlling a scissor type telescopic device on the transfer trolley to contract to enable a charging seat to be flush with another supporting plate, and then enabling the other supporting plate to be provided with a set number of square billet boxes by adopting the same steps;
and (4) completing the sub-packaging of the square billet boxes of the plurality of supporting plates on the vulcanizing rack according to the steps.
In one possible implementation, the sub-packaging of the square blank boxes of the plurality of vulcanization racks is completed according to the steps described above.
In a possible implementation manner, the step six further includes the following steps: after the composite solid propellant is vulcanized from a slurry state to a rubber state, testing the vulcanized composite solid propellant block by a tensile testing machine at a set tensile load;
if the composite solid propellant block is deformed or broken, vulcanizing the square billet boxes of the batch again, setting the duration of the vulcanizing again according to a tensile load test, and then executing the step seven;
and if the composite solid propellant block is intact, executing a seventh step.
In one possible implementation, the tensile load test comprises the steps of:
opening a door of a vulcanization room, moving the transfer trolley to one side of the vulcanization frame, and positioning a square billet box for performing a tensile load test at the end part of the supporting plate; starting the lifting mechanism to enable the supporting plate to incline towards the direction of the transfer trolley, enabling the square billet box to slide to the charging seat under the action of gravity, and then starting the lifting mechanism to enable the supporting plate to be kept in a horizontal state;
moving the transfer trolley to a medicine slicing machine, and then demolding the composite solid propellant block; utilize medicine cutting machine to cut into tensile test sample spare with compound solid propellant piece, tensile test sample spare includes the connecting piece and sets up in the mounting at connecting piece both ends, and the cross-section of connecting piece is the rectangle structure, and the mounting is the cake form.
Fixing the tensile test sample piece on two fixing ends of the tensile test machine through fixing pieces at two ends of the tensile test sample piece, starting the tensile test machine to increase the stress from zero to 0.6MPa, and observing the state of the tensile test sample piece.
The embodiment of the invention also provides a pretreatment system for recycling the composite solid propellant Yu Feiyao, which comprises a waste material conveying mechanism, a box body conveying mechanism, a transfer trolley, a vulcanizing rack and a material pushing mechanism;
the material pushing mechanism comprises a feeding barrel, a material pushing disc, a pushing device, a material discharging pipe and an angle adjusting mechanism;
the telescopic end of the propelling device is connected to a material pushing disc, the material pushing disc is clamped in a feeding barrel, composite solid propellant is filled in the feeding barrel, the lower end of the feeding barrel is provided with a discharging section, the discharging section is in a horn mouth shape with a large upper part and a small lower part, and a discharging port of the discharging section is connected to a feeding port of a discharging pipe through a flexible pipe; the output end of the angle adjusting mechanism is connected to one end, far away from the discharging section, of the discharging pipe, and the angle adjusting mechanism drives the discharging pipe to adjust the angle; the pushing device drives the material pushing disc to move downwards in the feeding barrel, and the material pushing disc extrudes the composite solid propellant through the material discharging pipe;
the transfer trolley comprises a base, a driving mechanism, a first position sensor, a mounting seat, a loading seat, a first air pump, a second air pump, a telescopic structure and a metal detector;
the bottom of the base is provided with a driving mechanism and a first position sensor, the mounting seat is mounted on the base, the charging seat is arranged on the mounting seat, the telescopic structures, the first air pump and the second air pump are arranged between the charging seat and the mounting seat, the first air pump and the second air pump are respectively arranged on the left side and the right side of the mounting seat, the number of the telescopic structures is multiple, and the plurality of the telescopic structures are arranged in the circumferential direction of the mounting seat; the first air pump or the second air pump drives one side of the loading seat to move up or down; the metal detector is arranged in the middle of the mounting seat;
a conveying roller is arranged on the charging seat, and the conveying direction of the conveying roller is the left-right direction;
the vulcanizing frame comprises a supporting frame, a supporting plate, a locking mechanism, a lifting mechanism and a heating pipe;
the middle part of the supporting plate is rotatably arranged on the supporting frame, one side of the supporting plate is provided with a locking mechanism, and the other side of the supporting plate is provided with a lifting mechanism;
a conveying roller is arranged on the supporting plate, a fixed baffle is arranged on one side of the supporting plate close to the lifting mechanism, a movable baffle is arranged at one end of the supporting plate close to the locking mechanism, the movable baffle is slidably arranged in a groove body at the end part of the supporting plate, and the driving assembly drives the movable baffle to move up and down;
the supporting frame is provided with heating pipes above two sides of the supporting plate;
a track is arranged in the vulcanization room, and one end of the track extends to the outside of the vulcanization room;
the vulcanizing frame is arranged in the vulcanizing room and positioned on two sides of the track, the movable baffle is arranged close to the track, the transfer trolley is arranged at one end, positioned outside the vulcanizing room, of the track and moves along the track, the waste material conveying mechanism and the box body conveying mechanism are respectively arranged on the left side and the right side of the transfer trolley, the conveying direction of the waste material conveying mechanism, the conveying direction of the box body conveying mechanism and the extending direction of the supporting plate are arranged in parallel, and the extending direction of the track and the conveying direction of the waste material conveying mechanism are arranged perpendicularly;
the pushing equipment sets up in the one side of transporting the dolly, and the discharge gate of discharging pipe is located directly over transporting the dolly.
In a possible implementation manner, the number of the supporting plates is multiple, and the supporting plates are arranged at intervals along the height direction of the supporting frame;
the transfer trolley also comprises a second position sensor and a scissor type telescopic device;
the scissor type telescopic device is arranged between the mounting seat and the base; the second position sensor is arranged on the charging seat.
In one possible implementation, the lifting mechanism includes a third air pump, a driving rod, and a driving block;
the drive block sets up in the mounting hole in the backup pad, and the upper end of actuating lever is connected in the drive block, and the lower extreme of actuating lever is connected in the flexible end of third air pump, and third air pump drive actuating lever and drive block up-and-down motion, and then the tip motion of drive backup pad makes the backup pad be level, the slope makes progress or the decurrent state of slope.
In a possible implementation manner, the locking mechanism comprises a fourth air pump and an insertion rod, the fourth air pump is arranged on the lower surface of the supporting plate, one end of the insertion rod is installed at the telescopic end of the fourth air pump, and the other end of the insertion rod is matched with the locking hole in the supporting frame.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the embodiment of the invention provides a pretreatment method and a pretreatment system for recycling a composite solid propellant Yu Feiyao, wherein the method can stop the downward flow of the composite solid propellant by arranging a closing propulsion mechanism and controlling an angle adjusting mechanism to enable a discharge pipe to incline upwards at a set angle, can improve the safety of an operation process, and can avoid the problem that the composite solid propellant is transferred or stops flowing due to the arrangement of an opening and closing mechanism, so that the opening and closing mechanism is easy to rub with metal foreign matters in the composite solid propellant to generate static electricity, thereby causing the combustion and even explosion of the composite solid propellant. The vulcanization operation can solidify the composite solid propellant to form a rubber state, so that the performance of the composite solid propellant block is ensured, and the requirement of the composite solid propellant block during blasting is met. The automatic operation of the split charging, metal detection and vulcanization of the composite solid propellant can be realized by arranging the transfer trolley, the vulcanization frame, the box body conveying mechanism and other parts, the smooth implementation of the method can be ensured only by the remote auxiliary operation or simple duty of workers, the production efficiency and the safety in the production process are further improved, and the working strength of the workers is reduced. The dicing device can be used for dicing the composite solid propellant blocks into the composite solid propellant dices, and the composite solid propellant Ding Ke is better used for blasting construction and is convenient to transport. The method can efficiently and safely process the composite solid propellant into small particles, and convert the composite solid propellant into the industrial explosive, thereby meeting the industrial requirement of engineering blasting engineering.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a pretreatment system for reusing composite solid propellant Yu Feiyao provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the transfer trolley and the pushing mechanism provided by the embodiment of the invention.
Fig. 3 is a schematic view of a state that the transfer cart transfers the square blank box to the vulcanizing rack according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a tensile test sample according to an embodiment of the present invention.
Reference numerals: 1-square blank box; 2-a waste transport mechanism; 3-a box body conveying mechanism; 4-transferring the trolley; 41-a base; 42-a drive mechanism; 43-a mounting seat; 44-a charging seat; 45-a first air pump; 46-a second air pump; 47-a telescopic structure; 48-a metal detector; 49-scissor type telescopic structure; 5-a vulcanizing rack; 51-a support frame; 52-a support plate; 53-a locking mechanism; 54-a lifting mechanism; 55-heating tube; 6-a material pushing mechanism; 61-a feed barrel; 62-pushing the material tray; 63-a propulsion device; 64-a discharge pipe; 65-an angle adjustment mechanism; 66-a flexible tube; 7-fixing a baffle plate; 8-a movable baffle; 9-track; 10-a vulcanization chamber; 11-a third air pump; 12-a drive rod; 13-a drive block; 14-a plunger; 15-a connector; 16-fixing part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1 to 4, a pretreatment method for reusing a composite solid propellant Yu Feiyao provided by the embodiment of the present invention includes the following steps:
step one, the transfer trolley 4 is moved to an initial position, the box body conveying mechanism 3 is started, and the box body conveying mechanism 3 conveys the square blank box 1 on the box body conveying mechanism to the material loading seat 44 of the transfer trolley 4.
And step two, controlling the angle adjusting mechanism 65 to enable the discharge pipe 64 to be obliquely arranged downwards in a set angle.
And starting the propelling mechanism, extruding the composite solid propellant in the feeding barrel 61 through the discharge pipe 64 by the material pushing disc 62 of the propelling mechanism, and allowing the composite solid propellant to flow downwards into the billet box 1.
And step three, detecting the metal foreign matters in the composite solid propellant by a metal detector 48 below the charging seat 44.
After the square billet box 1 is filled with the set amount of the composite solid propellant, the propelling mechanism is closed, the angle adjusting mechanism 65 is controlled to enable the discharge pipe 64 to be arranged in an inclined upward mode at the set angle, and when the composite solid propellant does not flow out through the discharge pipe 64 any more and the metal detector 48 does not detect the metal foreign matters in the process, the fourth step is executed.
When the metal detector 48 detects a metal foreign matter, the propulsion mechanism is turned off, and the angle adjustment mechanism 65 is controlled so that the discharge pipe 64 is set at a predetermined angle in an inclined upward direction. After the composite solid propellant does not flow out through the discharge pipe 64, the direction of the waste material conveying mechanism 2 is controlled to incline by the composite solid propellant seat 44, so that the square billet box 1 slides to the waste material conveying mechanism 2, the waste material conveying mechanism 2 conveys the square billet box 1 to a waste material collecting device for recycling, and then the step one is executed again.
And step four, starting the transfer trolley 4, enabling the transfer trolley 4 to enter the vulcanizing chamber 10 and move to one side of the vulcanizing frame 5, controlling the material containing seat 44 to incline towards the vulcanizing frame 5, enabling the square billet box 1 to slide to one end of a supporting plate 52 of the vulcanizing frame 5, enabling the supporting plate 52 to be arranged in an inclined mode, and enabling the square billet box 1 to slide to the other end of the supporting plate 52 under the action of gravity.
And step five, repeating the step one to the step four until the number of the square blank boxes 1 on the support plate 52 reaches the set number, starting the lifting mechanism 54 of the vulcanizing rack 5, and driving one end of the support plate 52 to move upwards by the lifting mechanism 54 so that the support plate 52 is in a horizontal state. The horizontal support plate 52 enables the composite solid propellant in the billet box 1 to form a more regular cubic structure.
And step six, closing the door of the vulcanization chamber 10, starting the heating pipe 55 on the vulcanization frame 5 to vulcanize the composite solid propellant from slurry state to rubber state, and then opening the door of the vulcanization chamber 10.
And step seven, moving the transfer trolley 4 to one side of the vulcanizing rack 5, starting the lifting mechanism 54 to enable the support plate 52 to incline towards the direction of the transfer trolley 4, enabling the square blank box 1 to slide onto the charging seat 44 under the action of gravity, and then starting the lifting mechanism 54 to enable the support plate 52 to keep a horizontal state.
And step eight, moving the transfer trolley 4 to an initial position, controlling the material-containing seat 44 to incline towards the direction of the box body conveying mechanism 3, enabling the square billet box 1 to slide onto the box body conveying mechanism 3, starting the box body conveying mechanism 3, and conveying the square billet box 1 to the demolding mechanism by the box body conveying mechanism 3 for processing.
And step nine, repeating the step seven to the step eight until all the square blank boxes 1 on the supporting plate 52 are conveyed to the demolding mechanism through the box body conveying mechanism 3.
Step ten, after the compound solid propellant block in the square billet box 1 is demoulded by the demoulding mechanism, the compound solid propellant block is cut into compound solid propellant dices by a dicing device.
It should be noted that the transfer cart 4 is used to transfer the square billet box 1. The viscosity of the composite solid propellant is high, and the self-flow is slow, so that the composite solid propellant in the feeding barrel 61 is extruded by driving the material pushing disc 62 to move through the propelling mechanism, and the efficiency of loading the composite solid propellant into the square blank box 1 can be improved. The flow speed of the composite solid propellant can be controlled by adjusting the force application magnitude of the propelling mechanism, the pipe diameter of the discharge pipe 64 and the inclination angle of the discharge pipe 64.
Close advancing mechanism through the setting, and control angle adjustment mechanism 65 makes discharging pipe 64 be set for the angle slope upwards make compound solid propellant stop the downflow, can improve operation process's security, avoided setting up the mechanism that opens and shuts and make compound solid propellant transport or stop flowing, there is the mechanism that opens and shuts easy and metal foreign matter friction in the compound solid propellant produces static, and lead to the problem of compound solid propellant burning explosion even, aforementioned mechanism that opens and shuts is valve, baffle structure, centre gripping class structure etc..
The composite solid propellant collected in the square billet box 1 is detected for metal foreign matters through the metal detector 48, so that the composite solid propellant flowing into the square billet box 1 does not contain metal foreign matters, and the problem that the metal foreign matters influence the safety in the subsequent treatment process is prevented.
The vulcanization operation can solidify the composite solid propellant to form a rubber state, so that the performance of the composite solid propellant block is ensured, and the requirement of the composite solid propellant block during blasting is met.
The invention can also be provided with a transfer fixing platform, the position of the transfer fixing platform is kept fixed, namely the transfer fixing platform is positioned at the initial position of the transfer trolley 4, and the transfer fixing platform is responsible for conveying the loaded square blank box 1 to the waste material conveying mechanism 2 or the transfer trolley 4, so that the sub-packaging and the transfer of the composite solid propellant are synchronously carried out, and the overall efficiency of the method is further improved.
Through setting up parts such as transport dolly 4, vulcanization frame 5, box body transport mechanism 3 can realize automatic operation with partial shipment, metal detection, the vulcanization of compound solid propellant, only need staff's remote assistance operation or simple on duty just can guarantee the smooth implementation of this method, and then has improved the security in production efficiency and the production process, has reduced staff's working strength.
The dicing device can be used for dicing the composite solid propellant blocks into the composite solid propellant dices, and the composite solid propellant Ding Ke is better used for blasting construction and is convenient to transport. The method can efficiently and safely process the composite solid propellant into small particles, and convert the composite solid propellant into the industrial explosive, thereby meeting the industrial requirement of engineering blasting engineering.
In this embodiment, the fifth step further includes the following steps: after the supporting plate 52 is in a horizontal state, the locking mechanism 53 on the supporting plate 52 is started, and the inserted rod 14 of the locking mechanism 53 moves into the locking hole on the supporting frame 51 of the vulcanizing frame 5, so that the supporting plate 52 and the supporting frame 51 are relatively fixed.
The seventh step also comprises the following steps: before the elevator mechanism 54 is actuated, the locking mechanism 53 is actuated to move the plunger 14 out of the locking hole. After the support plate 52 is in the horizontal state, the locking mechanism 53 is actuated to move the plunger 14 into the locking hole.
After the supporting plate 52 is adjusted to the proper position by the lifting mechanism 54, the supporting plate 52 can be further fixed to the supporting frame 51 of the vulcanizing rack 5 by the locking mechanism 53, so that the supporting plate 52 is stable enough to prevent the square blank box 1 from falling.
In this embodiment, the fifth step further includes the following steps:
after the number of the square billet boxes 1 on the support plate 52 reaches the set number, the transfer cart 4 transfers the square billet box 1 to another support plate 52 below the support plate 52.
The transfer trolley 4 moves the square billet box 1 filled with the composite solid propellant to one side of the vulcanizing rack 5, the scissor type telescopic device 49 on the transfer trolley 4 is controlled to contract, so that the charging seat 44 is flush with the other supporting plate 52, and then the same steps are adopted to ensure that the square billet boxes 1 with the set number are arranged on the other supporting plate 52.
The sub-assembly of the square billets 1 of the plurality of support plates 52 on the vulcanization frame 5 is completed according to the above steps.
It should be noted that, a plurality of backup pads 52 on the vulcanization frame 5 can load more square billet boxes 1, and then improve space utilization, and this operating procedure is similar to first backup pad 52, only needs transport 4 to accomplish the transportation of square billet box 1 after going up and down.
In this embodiment, the separate loading of the square billets 1 of the plurality of vulcanization racks 5 is completed according to the above steps.
It should be noted that the sub-packaging steps of the plurality of vulcanization frames 5 are the same, and the plurality of vulcanization frames 5 are arranged in parallel and at intervals in a matrix form, so that the transfer trolley 4 can conveniently enter a set position.
In this embodiment, the sixth step further includes the following steps: after the composite solid propellant is vulcanized from a slurry state to a rubber state, the vulcanized composite solid propellant block is tested by a tensile testing machine under a set tensile load.
And (5) if the composite solid propellant block is deformed or broken, vulcanizing the square box blanks 1 of the batch again, setting the time length of the vulcanization again according to the tensile load test, and then executing the step seven.
And if the composite solid propellant block is intact, executing a seventh step.
It should be noted that, a tensile load test can be performed to ensure that the composite solid propellant block has a set strength, so that the performance of the composite solid propellant block is more stable, and the composite solid propellant block meets the use requirements.
Through practice for many times, the composite solid propellant block can be ensured to meet the use requirement only by carrying out a tensile load test once, namely when the composite solid propellant block deforms or breaks, the length of time required for vulcanizing the batch of composite solid propellant can be deduced according to the tensile load test result, the vulcanized length of time and empirical data to meet the use requirement.
In this embodiment, the tensile load test includes the steps of:
the door of the vulcanization chamber 10 is opened, the transfer cart 4 is moved to one side of the vulcanization frame 5, and the square billet box 1 for performing the tensile load test is positioned at the end of the support plate 52. The elevating mechanism 54 is started to incline the support plate 52 toward the transfer cart 4, the square billet box 1 slides onto the charging stand 44 under the action of its gravity, and then the elevating mechanism 54 is started to keep the support plate 52 in a horizontal state.
And (4) moving the transfer trolley 4 to a medicine slicing machine, and then demolding the composite solid propellant block. The compound solid propellant block is cut into a tensile test sample piece by using a medicine cutting machine, the tensile test sample piece comprises a connecting piece 15 and fixing pieces 16 arranged at two ends of the connecting piece 15, the section of the connecting piece 15 is of a rectangular structure of 1 x 1cm, and the fixing pieces 16 are in a round cake shape.
Fixing the tensile test sample piece on two fixing ends of the tensile test machine through fixing pieces 16 at the two ends of the tensile test sample piece, starting the tensile test machine to increase the stress from zero to 0.6MPa, and observing the state of the tensile test sample piece.
When the square billet box 1 is transferred, the square billet box 1 for the tensile load test is placed on the end of the support plate 52, and the square billet box 1 can be directly taken out by the transfer cart 4.
When the composite solid propellant block is used for a tensile load test, the dumbbell-shaped structure is cut by using a medicine cutting machine, so that a tensile test sample piece is convenient to fix, the tensile strength of the composite solid propellant block can be quickly measured, and the method is simple in steps and high in practicability.
As shown in fig. 1 to fig. 3, an embodiment of the present invention further provides a pretreatment system for reusing composite solid propellant Yu Feiyao, including a waste material conveying mechanism 2, a box body conveying mechanism 3, a transfer trolley 4, a vulcanizing rack 5, and a material pushing mechanism 6.
The material pushing mechanism 6 comprises a feeding barrel 61, a material pushing disc 62, a pushing device 63, a material discharging pipe 64, an angle adjusting mechanism 65 and a flexible pipe 66.
The telescopic end of the propelling device 63 is connected to the material pushing disc 62, the material pushing disc 62 is clamped in the material feeding barrel 61, the composite solid propellant is filled in the material feeding barrel 61, the lower end of the material feeding barrel 61 is provided with a discharging section, the discharging section is in a horn mouth shape with a large upper part and a small lower part, and a discharging hole of the discharging section is connected to a feeding hole of the discharging pipe 64 through a flexible pipe 66. The output end of the angle adjusting mechanism 65 is connected to one end, far away from the discharging section, of the discharging pipe 64, and the angle adjusting mechanism 65 drives the discharging pipe 64 to adjust the angle. The pushing device 63 drives the material pushing disc 62 to move downwards in the material feeding barrel 61, and the material pushing disc 62 extrudes the composite solid propellant out through the material discharging pipe 64.
The transfer trolley 4 comprises a base 41, a driving mechanism 42, a first position sensor, a mounting seat 43, a charging seat 44, a first air pump 45, a second air pump 46, a telescopic structure 47 and a metal detector 48.
The bottom of base 41 is provided with actuating mechanism 42 and first position sensor, mount pad 43 is installed on base 41, the charging seat 44 sets up on mount pad 43, extending structure 47, first air pump 45 and second air pump 46 set up between charging seat 44 and mount pad 43, first air pump 45 and second air pump 46 set up respectively in the left side and the right side of mount pad 43, extending structure 47 is a plurality of, a plurality of extending structure 47 set up in the circumference of mount pad 43. The first air pump 45 or the second air pump 46 drives one side of the material loading base 44 to move up or down. A metal detector 48 is provided in the middle of the mount 43.
The loading base 44 is provided with a conveying roller, and the conveying direction of the conveying roller is the left-right direction.
The vulcanizing rack 5 includes a support frame 51, a support plate 52, a locking mechanism 53, a lifting mechanism 54, and a heating pipe 55.
The middle part of the supporting plate 52 is rotatably mounted on the supporting frame 51, one side of the supporting plate 52 is provided with a locking mechanism 53, and the other side of the supporting plate 52 is provided with a lifting mechanism 54.
The conveying roller is arranged on the supporting plate 52, the fixed baffle 7 is arranged on one side, close to the lifting mechanism 54, of the supporting plate 52, the movable baffle 8 is arranged at one end, close to the locking mechanism 53, of the supporting plate 52, the movable baffle 8 is slidably mounted in a groove body in the end portion of the supporting plate 52, and the driving assembly drives the movable baffle 8 to move up and down. The support frame 51 is provided with heating pipes 55 above both sides of the support plate 52.
A track 9 is arranged in the vulcanizing chamber 10, and one end of the track 9 extends to the outside of the vulcanizing chamber 10.
Vulcanize frame 5 and set up in vulcanizing room 10 and be located the both sides of track 9, adjustable fender 8 is close to track 9 and sets up, transfer trolley 4 sets up in the one end that track 9 is located vulcanizing room 10's outside, transfer trolley 4 moves along track 9, waste material transport mechanism 2 and box body transport mechanism 3 set up respectively in the left and right sides of transfer trolley 4, waste material transport mechanism 2's direction of transfer, box body transport mechanism 3's direction of transfer, and the extending direction parallel arrangement of backup pad 52, the extending direction of track 9 and waste material transport mechanism 2's the perpendicular setting of direction of transfer.
The pushing mechanism 6 is arranged on one side of the transfer trolley 4 far away from the vulcanizing chamber 10, and a discharge hole of the discharge pipe 64 is positioned right above the transfer trolley 4.
It should be noted that the first position sensor is used for acquiring the position of the transfer trolley 4, so as to ensure that the transfer trolley 4 can run to a set position, and the driving mechanism 42 drives the transfer trolley 4 to run.
The two ends of the telescopic structure 47, the first air pump 45 and the second air pump 46 are hinged, the telescopic amount of the first air pump 45 and the second air pump 46 does not need to be large, and the telescopic range is between 3cm and 5cm, so that the size of the telescopic structure is small. The detecting end of the metal detector 48 is located below the charging seat 44, i.e. the charging seat 44 is made of non-metal material. After the first air pump 45 and the second air pump 46 are adjusted in place, the telescopic structure 47 is locked, so that the telescopic structure 47 keeps the current length, and the locked telescopic structure 47 can improve the structural stability of the charging seat 44.
The left and right sides of charging seat 44 all is provided with the side shield, and the lower extreme of side shield is connected in the flexible end of sixth air pump, and the sixth air pump can drive the side shield and reciprocate, and consequently when the transportation of square billet box 1, the side shield can prevent that square billet box 1 from following one side landing of charging seat 44 to security when improving square billet box and transporting.
When the square billet box 1 slides onto the charging seat 44 under the action of its gravity, the side baffle plate on one side of the charging seat 44 is moved upwards, so that the square billet box 1 is prevented from sliding off.
The movable baffle plate 8 can prevent the square blank boxes 1 from sliding out from one side of the supporting plate 52, and when the square blank boxes 1 on the supporting plate 52 of a certain layer are required to move to the transfer trolley 4 under the action of gravity, the movable baffle plate 8 is controlled to move by the driving component, so that the movable baffle plate 8 moves into the groove bodies at the end parts of the supporting plate 52. The driving component can adopt an air pump, and the output end of the air pump is connected with the lower end of the movable baffle plate 8.
The angle adjusting mechanism 65 includes a fifth air pump and a hinge rod disposed at the telescopic end of the fifth air pump, and the other end of the hinge rod is hinged to the discharge pipe 64.
The track 9 of this embodiment is the straightway, therefore the transport trolley 4 only need carry out the back-and-forth movement can, therefore simple structure, easy to carry out.
The layout mode of the vulcanizing frame 5, the track 9, the vulcanizing room 10, the pushing mechanism 6, the waste conveying mechanism 2 and the box body conveying mechanism 3 of the system is reasonable, the working efficiency is high, meanwhile, the system is convenient for the patrol of workers, and the system is easy to intervene in the pretreatment process of the composite solid propellant.
In this embodiment, the number of the support plates 52 is plural, and the plural support plates 52 are arranged at intervals in the height direction of the support frame 51.
The transfer trolley 4 further comprises a second position sensor and a scissor jack 49.
A scissor jack 49 is disposed between mount 43 and base 41. The second position sensor is disposed on the charging seat 44.
It should be noted that the second position sensor is used to obtain the real-time height of the transfer trolley 4, so as to ensure that the square blank box 1 can be transferred to the support plate 52 on the set level. Scissor jack 49 is easy to control and has a high ratio of extension to retraction.
In the present embodiment, the elevating mechanism 54 includes the third air pump 11, the driving lever 12, and the driving block 13.
The driving block 13 is disposed in the mounting hole of the supporting plate 52, the upper end of the driving rod 12 is connected to the driving block 13, the lower end of the driving rod 12 is connected to the telescopic end of the third air pump 11, the third air pump 11 drives the driving rod 12 and the driving block 13 to move up and down, and then the end of the supporting plate 52 is driven to move, so that the supporting plate 52 is horizontal, inclined upwards or inclined downwards.
The elevating mechanism 54 can control the plurality of support plates 52 to adjust the directions thereof at the same time. When the loading of the square billet 1 on all the support plates 52 on one vulcanizing rack 5 is completed, the support plates 52 are adjusted to be horizontal. And after the composite solid propellant is naturally leveled, entering a vulcanization process.
In this embodiment, the locking mechanism 53 includes a fourth air pump and an insertion rod 14, the fourth air pump is disposed on the lower surface of the supporting plate 52, one end of the insertion rod 14 is mounted on the telescopic end of the fourth air pump, and the other end of the insertion rod 14 is matched with the locking hole on the supporting frame 51.
It should be noted that each support plate 52 corresponds to three locking holes on the support frame 51, and the three locking holes correspond to the horizontal, inclined upward or inclined downward state of the support plate 52.
In this embodiment, it is apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. A pretreatment method for reusing composite solid propellant Yu Feiyao is characterized by comprising the following steps:
moving a transfer trolley (4) to an initial position, starting a box body conveying mechanism (3), and conveying Fang Pihe (1) on the box body conveying mechanism (3) to a material loading seat (44) of the transfer trolley (4);
step two, controlling an angle adjusting mechanism (65) to enable a discharging pipe (64) to be obliquely arranged downwards in a set angle;
the pushing mechanism is started, the composite solid propellant in the feeding barrel (61) is extruded out through the discharging pipe (64) by a material pushing disc (62) of the pushing mechanism, and the composite solid propellant flows downwards into the square billet box (1);
step three, detecting metal foreign matters in the composite solid propellant by a metal detector (48) below the charging seat (44);
after the square billet box (1) is filled with the compound solid propellant with the set amount, the propelling mechanism is closed, the angle adjusting mechanism (65) is controlled to enable the discharge pipe (64) to be arranged in the inclined upward direction with the set angle, the compound solid propellant is waited not to flow out through the discharge pipe (64), and when the metal detector (48) does not detect the metal foreign bodies in the process, the fourth step is executed;
when the metal detector (48) detects metal foreign matters, the propulsion mechanism is closed, and the angle adjusting mechanism (65) is controlled to enable the discharge pipe (64) to be arranged in an inclined upward manner at a set angle; after the composite solid propellant does not flow out through the discharge pipe (64), the charging seat (44) is controlled to incline towards the direction of the waste material conveying mechanism (2), so that the square billet box (1) slides onto the waste material conveying mechanism (2), the waste material conveying mechanism (2) conveys the square billet box (1) to a waste material collecting device for recycling, and then the step one is executed again;
step four, starting the transfer trolley (4), enabling the transfer trolley (4) to enter the vulcanizing chamber (10) and move to one side of the vulcanizing rack (5), controlling the charging seat (44) to incline towards the vulcanizing rack (5), enabling the square billet box (1) to slide to one end of a supporting plate (52) of the vulcanizing rack (5), enabling the supporting plate (52) to be arranged in an inclined mode, and enabling the square billet box (1) to slide to the other end of the supporting plate (52) under the action of gravity of the square billet box;
step five, repeatedly executing the step one to the step four until the number of the square blank boxes (1) on the supporting plate (52) reaches a set number, starting a lifting mechanism (54) of the vulcanizing rack (5), and driving one end of the supporting plate (52) to move upwards by the lifting mechanism (54) to enable the supporting plate (52) to be in a horizontal state;
step six, closing the door of the vulcanization room (10), starting the heating pipe (55) on the vulcanization frame (5) to vulcanize the composite solid propellant from slurry state to rubber state, and then opening the door of the vulcanization room (10);
moving the transfer trolley (4) to one side of the vulcanizing rack (5), starting the lifting mechanism (54) to enable the support plate (52) to incline towards the direction of the transfer trolley (4), enabling the square billet box (1) to slide onto the charging seat (44) under the action of gravity, and then starting the lifting mechanism (54) to enable the support plate (52) to be kept in a horizontal state;
moving the transfer trolley (4) to an initial position, controlling the material loading seat (44) to incline towards the direction of the box body conveying mechanism (3), enabling the square billet box (1) to slide onto the box body conveying mechanism (3), starting the box body conveying mechanism (3), and conveying Fang Pihe (1) to the demolding mechanism by the box body conveying mechanism (3) for processing;
step nine, the step seven to the step eight are repeatedly executed until all the square blank boxes (1) on the supporting plate (52) are conveyed to the demolding mechanism through the box body conveying mechanism (3);
step ten, after the compound solid propellant block in the square billet box (1) is demoulded by a demoulding mechanism, the compound solid propellant block is cut into compound solid propellant dices by a dicing device.
2. The pretreatment method for reusing composite solid propellant Yu Feiyao as claimed in claim 1, wherein step five further comprises the steps of: after the supporting plate (52) is in a horizontal state, starting a locking mechanism (53) on the supporting plate (52), moving an inserted rod (14) of the locking mechanism (53) into a locking hole on a supporting frame (51) of the vulcanizing frame (5), and relatively fixing the supporting plate (52) and the supporting frame (51);
the seventh step also comprises the following steps: before the lifting mechanism (54) is started, the locking mechanism (53) is started to move the inserted rod (14) out of the locking hole; after the support plate (52) is in a horizontal state, the locking mechanism (53) is started, so that the inserted rod (14) moves into the locking hole.
3. The pretreatment method for reusing composite solid propellant Yu Feiyao as claimed in claim 1, wherein step five further comprises the steps of:
after the square blank boxes (1) on the supporting plate (52) reach the set number, the transfer trolley (4) transfers the square blank boxes (1) to another supporting plate (52) below the supporting plate (52);
the transfer trolley (4) moves the square billet boxes (1) filled with the composite solid propellant to one side of the vulcanizing rack (5), the scissor type expansion device (49) on the transfer trolley (4) is controlled to contract, so that the charging seat (44) is flush with the other supporting plate (52), and then the same steps are adopted to ensure that the square billet boxes (1) with the set number are arranged on the other supporting plate (52);
and (3) completing the sub-packaging of the square billet boxes (1) of the plurality of supporting plates (52) on the vulcanizing rack (5) according to the steps.
4. The pretreatment method for the reuse of Yu Feiyao as a composite solid propellant in claim 3, wherein: and (3) completing the sub-packaging of the square billets (1) of the plurality of vulcanizing racks (5) according to the steps.
5. The pretreatment method for reusing composite solid propellant Yu Feiyao as claimed in claim 1, wherein step six further comprises the steps of: after the composite solid propellant is vulcanized from a slurry state to a rubber state, testing the vulcanized composite solid propellant block by a tensile testing machine at a set tensile load;
if the composite solid propellant block is deformed or broken, vulcanizing the square billet boxes (1) of the batch again, setting the time length of the vulcanization again according to a tensile load test, and then executing the step seven;
and if the composite solid propellant block is intact, executing a seventh step.
6. The pretreatment method for the reuse of Yu Feiyao as in claim 5, wherein the tensile load test comprises the steps of:
opening a door of a vulcanizing room (10), moving the transfer trolley (4) to one side of a vulcanizing frame (5), and positioning the square billet box (1) for performing a tensile load test at the end part of the supporting plate (52); starting the lifting mechanism (54), enabling the support plate (52) to incline towards the direction of the transfer trolley (4), enabling the square billet box (1) to slide onto the charging seat (44) under the action of gravity, and then starting the lifting mechanism (54) to enable the support plate (52) to keep a horizontal state;
moving the transfer trolley (4) to a medicine slicing machine, and then demoulding the composite solid propellant block; cutting the composite solid propellant block into a tensile test sample piece by using a medicine cutting machine, wherein the tensile test sample piece comprises a connecting piece (15) and fixing pieces (16) arranged at two ends of the connecting piece (15), the section of the connecting piece (15) is of a rectangular structure, and the fixing pieces (16) are of a round cake shape;
fixing the tensile test sample piece on two fixing ends of the tensile test machine through fixing pieces (16) at the two ends of the tensile test sample piece, starting the tensile test machine to increase the stress from zero to 0.6MPa, and observing the state of the tensile test sample piece.
7. A pretreatment system for reusing composite solid propellant Yu Feiyao is characterized in that: comprises a waste material conveying mechanism (2), a box body conveying mechanism (3), a transfer trolley (4), a vulcanizing frame (5) and a material pushing mechanism (6);
the material pushing mechanism (6) comprises a material feeding barrel (61), a material pushing disc (62), a propelling device (63), a material discharging pipe (64) and an angle adjusting mechanism (65);
the telescopic end of the propelling device (63) is connected with the material pushing disc (62), the material pushing disc (62) is clamped in the feeding barrel (61), the feeding barrel (61) is filled with composite solid propellant, the lower end of the feeding barrel (61) is provided with a discharging section, the discharging section is in a horn mouth shape with a large upper part and a small lower part, and a discharging hole of the discharging section is connected with a feeding hole of a discharging pipe (64) through a flexible pipe (66); the output end of the angle adjusting mechanism (65) is connected to one end, far away from the discharging section, of the discharging pipe (64), and the angle adjusting mechanism (65) drives the discharging pipe (64) to adjust the angle; the pushing device (63) drives the material pushing disc (62) to move downwards in the feeding barrel (61), and the material pushing disc (62) extrudes the composite solid propellant through the material discharging pipe (64);
the transfer trolley (4) comprises a base (41), a driving mechanism (42), a first position sensor, a mounting seat (43), a charging seat (44), a first air pump (45), a second air pump (46), a telescopic structure (47) and a metal detector (48);
the bottom of the base (41) is provided with a driving mechanism (42) and a first position sensor, the mounting seat (43) is installed on the base (41), the material loading seat (44) is arranged on the mounting seat (43), the telescopic structures (47), the first air pump (45) and the second air pump (46) are arranged between the material loading seat (44) and the mounting seat (43), the first air pump (45) and the second air pump (46) are respectively arranged on the left side and the right side of the mounting seat (43), the number of the telescopic structures (47) is multiple, and the plurality of the telescopic structures (47) are arranged in the circumferential direction of the mounting seat (43); the first air pump (45) or the second air pump (46) drives one side of the material loading seat (44) to move up or down; the metal detector (48) is arranged in the middle of the mounting seat (43);
a conveying roller is arranged on the charging seat (44), and the conveying direction of the conveying roller is the left-right direction;
the vulcanizing rack (5) comprises a supporting frame (51), a supporting plate (52), a locking mechanism (53), a lifting mechanism (54) and a heating pipe (55);
the middle part of the support plate (52) is rotatably arranged on the support frame (51), one side of the support plate (52) is provided with a locking mechanism (53), and the other side of the support plate (52) is provided with a lifting mechanism (54);
a conveying roller is arranged on the supporting plate (52), a fixed baffle (7) is arranged on one side, close to the lifting mechanism (54), of the supporting plate (52), a movable baffle (8) is arranged at one end, close to the locking mechanism (53), of the supporting plate (52), the movable baffle (8) is slidably mounted in a groove body in the end portion of the supporting plate (52), and the driving assembly drives the movable baffle (8) to move up and down;
the supporting frame (51) is provided with a heating pipe (55) above two sides of the supporting plate (52);
a track (9) is arranged in the vulcanizing room (10), and one end of the track (9) extends to the outside of the vulcanizing room (10);
the vulcanizing rack (5) is arranged in a vulcanizing room (10) and located on two sides of a track (9), a movable baffle (8) is arranged close to the track (9), a transfer trolley (4) is arranged at one end, located outside the vulcanizing room (10), of the track (9), the transfer trolley (4) moves along the track (9), a waste material conveying mechanism (2) and a box body conveying mechanism (3) are respectively arranged on the left side and the right side of the transfer trolley (4), the conveying direction of the waste material conveying mechanism (2), the conveying direction of the box body conveying mechanism (3) and the extending direction of a supporting plate (52) are arranged in parallel, and the extending direction of the track (9) and the conveying direction of the waste material conveying mechanism (2) are arranged perpendicularly;
the material pushing mechanism (6) is arranged on one side of the transfer trolley (4), and a discharge hole of the discharge pipe (64) is positioned right above the transfer trolley (4).
8. The pretreatment system for the reuse of composite solid propellant Yu Feiyao of claim 7, wherein: the number of the supporting plates (52) is multiple, and the supporting plates (52) are arranged at intervals along the height direction of the supporting frame (51);
the transfer trolley (4) also comprises a second position sensor and a scissor type telescopic device (49);
the scissor type telescopic device (49) is arranged between the mounting seat (43) and the base (41); the second position sensor is arranged on the charging seat (44).
9. The pretreatment system for the reuse of composite solid propellant Yu Feiyao of claim 7, wherein: the lifting mechanism (54) comprises a third air pump (11), a driving rod (12) and a driving block (13);
the driving block (13) is arranged in the mounting hole in the supporting plate (52), the upper end of the driving rod (12) is connected to the driving block (13), the lower end of the driving rod (12) is connected to the telescopic end of the third air pump (11), the third air pump (11) drives the driving rod (12) and the driving block (13) to move up and down, and then the end of the supporting plate (52) is driven to move, so that the supporting plate (52) is horizontal, inclined upwards or inclined downwards.
10. The pretreatment system for the reuse of composite solid propellant Yu Feiyao of claim 7, wherein: the locking mechanism (53) comprises a fourth air pump and an inserting rod (14), the fourth air pump is arranged on the lower surface of the supporting plate (52), one end of the inserting rod (14) is installed at the telescopic end of the fourth air pump, and the other end of the inserting rod (14) is matched with a locking hole in the supporting frame (51).
CN202210738884.5A 2022-06-27 2022-06-27 Pretreatment method and system for recycling residual and waste medicines of composite solid propellant Active CN115322058B (en)

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