CN114184095B - Automatic press-fitting device and method for energetic powder material based on servo pressurization - Google Patents
Automatic press-fitting device and method for energetic powder material based on servo pressurization Download PDFInfo
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- CN114184095B CN114184095B CN202111433472.2A CN202111433472A CN114184095B CN 114184095 B CN114184095 B CN 114184095B CN 202111433472 A CN202111433472 A CN 202111433472A CN 114184095 B CN114184095 B CN 114184095B
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- 239000000463 material Substances 0.000 title claims abstract description 65
- 239000000843 powder Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 36
- 230000008569 process Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002360 explosive Substances 0.000 abstract description 14
- 230000000977 initiatory effect Effects 0.000 abstract description 14
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
- F42B33/025—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges by compacting
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Assembly (AREA)
- Press Drives And Press Lines (AREA)
- Powder Metallurgy (AREA)
Abstract
The device part comprises a pressure head, an igniter shell, an energy-containing powder material, a positioning die, a pressure head detaching station, a pressurizing station, a pressure head assembling station, a manipulator, a conveyor belt, a positioning carrier, a servo press, a jacking cylinder, an interception cylinder and a second manipulator, and the energy-containing powder material is pressed by using the automatic pressing device to replace manual operation, so that man-machine isolation can be realized, and the problem of automatic pressing of the energy-containing powder material of a space initiating explosive device is solved.
Description
Technical Field
The invention relates to an automatic press-fitting device and method for energetic powder materials based on servo pressurization, and belongs to the technical field of assembly of aerospace initiating explosive devices.
Background
The igniter is a typical aerospace initiating explosive device, is an initial initiation source of various aerospace initiating explosive devices, and generally adopts various types of energetic powder materials as initiation energy sources. The internal cavity is filled with energy-containing powder material as energy substance, and when in use, the electric current is utilized to make the resistance element in the cavity quickly heat, the energy-containing material contacted with the resistance element is ignited, and the high-temperature high-pressure fuel gas or detonation wave is output to complete the preset function.
The energy-containing powder materials filled in the igniter are generally initiating explosive, smoke powder, high explosive and other initiating explosive, the agents are pressed in small cavities with diameters of 2mm-4mm, quantitative components are carried out before pressing, certain filling density and filling height are needed to be achieved through pressurization and pressure maintaining during pressing, the surface of the pressed powder materials is required to be in a flat state, and in order to ensure the pressing quality, the pressure in the pressurization and pressure maintaining process is generally required to be controlled within a range of +/-1% precision. The existing press fitting process is completed by manpower, an operator installs a press head for press fitting on an igniter shell, pressurization is completed by using a pneumatic press, and then the press head is detached from the igniter shell. In the current assembly process, operators are in direct contact with the initiating explosive agent, the man-machine isolation degree is low, and a large safety risk exists, particularly the initiating explosive agent such as the initiating explosive agent is very sensitive to static electricity, friction and impact stimulus, the operation of a loading head and a pulling head easily causes explosive explosion, and personal safety of the operators is threatened.
The automatic press-fitting device is used for replacing manual operation to press-fit the energy-containing powder material, and is an effective means for realizing man-machine isolation and solving the safety risk. From the existing domestic and foreign literature, the method and the device for automatically press-fitting the energy-containing powder material of the aerospace initiating explosive device are not reported.
Disclosure of Invention
The invention solves the technical problems that: aiming at the problem that an automatic press-fitting device is lack of a device for press-fitting an energy-containing powder material instead of manual operation in the prior art, the automatic press-fitting device and method for the energy-containing powder material based on servo pressurization are provided.
The invention solves the technical problems by the following technical proposal:
the utility model provides an automatic pressure equipment device of containing energy powder material based on servo pressurization, includes pressure head, some firearm casing, contains energy powder material, positioning die, pressure head dismantles station, pressurization station, pressure head assembly station, manipulator, conveyer belt, positioning carrier, servo press, jacking cylinder, interception cylinder, second manipulator, wherein:
the igniter comprises an igniter shell and a positioning die, wherein the igniter shell and the positioning die are assembled on a positioning carrier, an energy-containing powder material is arranged in the igniter shell, a pressing head assembly station, a pressing station and a pressing head disassembly station are sequentially arranged on a conveying belt, the positioning carrier carries the igniter shell, the energy-containing powder material, the pressing head and the positioning die sequentially enter the pressing head assembly station, the pressing station and the pressing head disassembly station through the conveying belt for assembly, a manipulator of the pressing head assembly station is arranged above the conveying belt and used for clamping the pressing head and assembling the pressing head in the igniter shell, an interception cylinder and a jacking cylinder of the pressing station are all arranged below the conveying belt, a servo press is arranged above the conveying belt and used for intercepting and positioning the positioning carrier, the jacking cylinder and the servo press are coaxially arranged, the positioning die and the positioning carrier are separated through height position adjustment, and the servo press is used for pressurizing the energy-containing powder material, and a second manipulator of the pressing head disassembly station is arranged above the conveying belt and used for disassembling the pressing head and placing the pressing head at an initial position on the positioning carrier after the pressing is completed.
An automatic press-fitting method of energetic powder materials based on servo pressurization comprises the following steps:
(1) Assembling a positioning die and an energy-containing powder material through an external preamble device, loading the energy-containing powder material into an igniter shell, jointly assembling the igniter shell and the positioning die on a positioning carrier, assembling a pressure head on the positioning carrier, and carrying related materials by the positioning carrier and executing assembling actions sequentially at a pressure head assembling station, a pressurizing station and a pressure head disassembling station;
(2) The positioning carrier is sent into a pressure head assembly station through a conveyor belt, a pressure head is clamped on the positioning carrier by a mechanical arm, the pressure head is moved to the position above a positioning die on the positioning carrier, and the pressure head is installed into the positioning die along the axis direction of the positioning die until the pressure head is contacted with the energy-containing powder material;
(3) The positioning carrier is sent into the pressurizing station by utilizing a conveyor belt, the positioning carrier is intercepted and positioned by lifting the interception cylinder, and the igniter shell, the positioning die and the pressure head are coaxial with the servo press and the jacking cylinder after positioning;
(4) The jacking air cylinder is lifted along the axial direction to push the positioning die to be separated from the positioning carrier;
(5) Pressurizing the servo press according to preset parameters, pushing the pressure head to apply pressure to the energetic powder material in the ignition shell and keeping the pressure until the servo press detects that the actual pressure and the keeping time meet the preset parameters, and stopping pressurizing;
(6) The jacking air cylinder falls back along the axial direction, and the positioning die falls back into the positioning carrier again;
(7) The interception cylinder falls back, and the positioning carrier is sent to a pressure head dismounting station by using a conveyor belt;
(8) Clamping the pressure head from the positioning die by using a second manipulator, axially extracting the pressure head along the positioning die, and then placing the pressure head on a positioning carrier;
(9) And sending the igniter shell which is pressed and assembled together with the positioning carrier out of the pressure head disassembly station through a conveyor belt, and completing the automatic press-assembling process.
And the positioning die is provided with an igniter shell and a pressure head.
The pressure head and the positioning die are used for guaranteeing compatibility with the pressed energy-containing powder material and dimensional accuracy after pressing, S136 die steel is adopted, and quenching hardness is above 52-55 HRC.
The pressure head is in clearance fit with the positioning die, so that the stability of the energetic powder material in the press fitting process is guaranteed, the fit clearance is controlled to be 0.01-0.02 mm, and the surface quality of the fit surface is controlled to be Ra0.4.
Compared with the prior art, the invention has the advantages that:
(1) According to the servo pressurization-based automatic press-fitting device and method for the energetic powder materials, disclosed by the invention, aiming at the press-fitting requirement of the energetic powder materials of igniter type space initiating explosive devices, manual operation is replaced by an automatic method, so that automatic assembly and disassembly, automatic pressurization and pressure maintaining of a press head in an assembly process can be realized, man-machine isolation in an operation process is realized, and the quality and the safety control level of the assembly process can be essentially improved;
(2) The invention utilizes the servo press to complete the pressurizing and pressure maintaining processes, and controls the actual precision by online pressure monitoring while meeting the automatic execution control, thereby effectively guaranteeing the high-precision control requirement of the pressure of the energy-containing powder material during the pressing process; and the separation of the carrier and the conveyor belt in the pressurizing process is realized by utilizing the interception and jacking mechanism, so that the effect of online automatic pressurizing is achieved, and the problem of pressure transmission in the pressurizing process on the conveyor belt can be effectively solved.
Drawings
FIG. 1 is a schematic view of an igniter housing and die assembly provided by the invention;
FIG. 2 is a block diagram of an automatic press-fitting apparatus according to the present invention;
FIG. 3 is a block diagram of a press head assembly station provided by the invention;
FIG. 4 is a block diagram of a press station provided by the invention;
FIG. 5 is a block diagram of a press head removal station provided by the invention;
FIG. 6 is a flow chart of an automatic press-fitting process of the igniter energetic powder material provided by the invention;
Detailed Description
The automatic press-fitting device and the method for the energetic powder material based on servo pressurization replace manual operation to press-fit the energetic powder material, can realize man-machine isolation, solve the automatic press-fitting problem of the energetic powder material of the space initiating explosive device, and have the following specific structure:
the device comprises a pressure head, an igniter shell, an energy-containing powder material, a positioning die, a pressure head detaching station, a pressurizing station, a pressure head assembling station, a manipulator, a conveyor belt, a positioning carrier, a servo press, a jacking cylinder, an interception cylinder and a second manipulator, wherein the igniter shell and the positioning die are assembled on the positioning carrier, the energy-containing powder material is arranged in the igniter shell, the pressure head is arranged on the positioning carrier, the material to be pressed is carried by the positioning carrier, the conveyor belt is used for transferring the positioning carrier into the pressure head assembling station or the pressurizing station or the pressure head detaching station in the loading process of the positioning carrier, the manipulator is arranged above the conveyor belt and used for clamping the pressure head and driving the positioning carrier to move, the jacking cylinder is arranged on one side of the conveyor belt and is coaxially arranged with the servo press, the jacking cylinder is used for realizing the separation of the positioning die and the positioning carrier through the height position adjustment, the cylinder is arranged below the conveyor belt and is used for intercepting and positioning the positioning carrier, and the manipulator is coaxially arranged with the pressurizing station, and the manipulator is arranged behind the pressure head detaching station.
The structure of the pressing head and the positioning die is shown in fig. 1, and in order to ensure the compatibility with the pressed energy-containing powder material and the dimensional accuracy after the pressing, S136 die steel is adopted, and the quenching hardness is controlled to be above 52-55 HRC. The pressure head is in clearance fit with the positioning die, so that the stability of the energetic powder material in the press fitting process is guaranteed, the fit clearance is controlled to be 0.01-0.02 mm, and the surface quality of the fit surface is controlled to be Ra0.4.
The automatic press-fitting method of the energetic powder material based on servo pressurization comprises the following specific steps:
(1) The manipulator loads the pressurizing pressure head into the igniter shell filled with the energetic material;
(2) The conveyor belt conveys the carrier with the igniter shell and the pressure head to a press-fitting station;
(3) The intercepting cylinder and the jacking cylinder position the carrier;
(4) The servo press is pressurized and maintained by a pressure head, and the actual pressure is monitored and controlled in real time in the process within the range of precision requirement;
(5) The conveyor belt conveys the igniter shell which is completed to be pressed together with the carrier to a pressing head station;
(6) The manipulator pulls out the pressure head from the igniter shell, and places the pressure head on the carrier, so that the whole press-fitting process is completed.
Further description of specific embodiments follows:
in the present embodiment, as shown in fig. 1 to 6, there is shown an assembly schematic of an igniter housing and a mold, wherein:
the device comprises a 1-pressure head, a 2-igniter shell, a 3-energy-containing powder material, a 4-positioning die, a 5-pressure head disassembling station, a 6-pressurizing station, a 7-pressure head assembling station, an 8-manipulator, a 9-conveyor belt, a 10-positioning carrier, an 11-servo press, a 12-jacking cylinder, a 13-intercepting cylinder and a 14-manipulator.
The automatic press-fitting method comprises the following implementation steps:
(1) When the relevant materials enter the device, the energy-containing powder material 3 is loaded into the igniter shell 2, the igniter shell 2 and the positioning die 4 are assembled on the positioning carrier 10, the pressure head 1 is also assembled on the positioning carrier 10, and the positioning carrier 10 carries the relevant materials to execute assembly actions at the pressure head assembly station 7, the pressurizing station 6 and the pressure head disassembly station 5 in sequence;
(2) The conveyor belt 9 sends the positioning carrier 10 into the pressure head assembly station 7, the mechanical arm 8 clamps the pressure head 1 from the positioning carrier 10, then moves to the position above the positioning die 4 on the positioning carrier 10, loads the pressure head 1 into the positioning die 4 along the axis direction of the positioning die 4, and the pressure head 1 contacts with the energy-containing powder material 3;
(3) The conveyor belt 9 sends the positioning carrier 10 into the pressurizing station 6, the interception cylinder 13 is lifted to intercept and position the positioning carrier 10, and the igniter shell 2, the positioning die 4 and the pressure head 1 are coaxial with the servo press 11 and the jacking cylinder 12 after positioning;
(4) The jacking cylinder 12 is lifted up along the axial direction to push the positioning die 4 to be separated from the positioning carrier 10, and comprises an igniter shell 2 and a pressure head 1 which are assembled on the positioning die 4;
(5) The servo press 11 pressurizes according to preset parameters, the pressure head 1 is pushed to apply pressure to the energetic powder material 3 in the ignition shell 2 and keep the energetic powder material, and the servo press 11 stops pressurizing after detecting that the actual pressure and the keeping time meet the preset parameters;
(6) The jacking cylinder 12 falls back along the axial direction, and the positioning die 4 falls back into the positioning carrier 10 again;
(7) The interception cylinder 13 falls back, and the conveyor belt 9 sends the positioning carrier 10 into the pressure head dismounting station 5;
(8) The manipulator 14 clamps the pressure head 1 from the positioning die 4, pulls out the pressure head 1 along the axial direction of the positioning die 4, and then places the pressure head 1 on the positioning carrier 10;
(9) The conveyor belt 9 sends the press-fitted igniter housing 2 out of the press-fitting head disassembling station 5 together with the positioning carrier 10, and the automatic press-fitting process is completed.
Although the present invention has been described in terms of the preferred embodiments, it is not intended to be limited to the embodiments, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the spirit and scope of the present invention, so any simple modifications, equivalent variations and modifications to the embodiments described above according to the technical matters of the present invention are within the scope of the technical matters of the present invention.
What is not described in detail in the present specification belongs to the known technology of those skilled in the art.
Claims (5)
1. Automatic press-fitting device of energetic powder material based on servo pressurization, its characterized in that:
including pressure head, some firearm casing, contain energy powder material, positioning die, pressure head dismantlement station, pressurization station, pressure head assembly station, manipulator, conveyer belt, location carrier, servo press, jacking cylinder, interception cylinder, second manipulator, wherein:
the igniter comprises an igniter shell and a positioning die, wherein the igniter shell and the positioning die are assembled on a positioning carrier, an energy-containing powder material is arranged in the igniter shell, a pressing head assembly station, a pressing station and a pressing head disassembly station are sequentially arranged on a conveying belt, the positioning carrier carries the igniter shell, the energy-containing powder material, the pressing head and the positioning die sequentially enter the pressing head assembly station, the pressing station and the pressing head disassembly station through the conveying belt for assembly, a manipulator of the pressing head assembly station is arranged above the conveying belt and used for clamping the pressing head and assembling the pressing head in the igniter shell, an interception cylinder and a jacking cylinder of the pressing station are all arranged below the conveying belt, a servo press is arranged above the conveying belt and used for intercepting and positioning the positioning carrier, the jacking cylinder and the servo press are coaxially arranged, the positioning die and the positioning carrier are separated through height position adjustment, and the servo press is used for pressurizing the energy-containing powder material, and a second manipulator of the pressing head disassembly station is arranged above the conveying belt and used for disassembling the pressing head and placing the pressing head at an initial position on the positioning carrier after the pressing is completed.
2. An automatic press-fitting method of an energetic powder material based on servo pressurization based on the device of claim 1, which is characterized by comprising the following steps:
(1) Assembling a positioning die and an energy-containing powder material through an external preamble device, loading the energy-containing powder material into an igniter shell, jointly assembling the igniter shell and the positioning die on a positioning carrier, assembling a pressure head on the positioning carrier, and carrying related materials by the positioning carrier and executing assembling actions sequentially at a pressure head assembling station, a pressurizing station and a pressure head disassembling station;
(2) The positioning carrier is sent into a pressure head assembly station through a conveyor belt, a pressure head is clamped on the positioning carrier by a mechanical arm, the pressure head is moved to the position above a positioning die on the positioning carrier, and the pressure head is installed into the positioning die along the axis direction of the positioning die until the pressure head is contacted with the energy-containing powder material;
(3) The positioning carrier is sent into the pressurizing station by utilizing a conveyor belt, the positioning carrier is intercepted and positioned by lifting the interception cylinder, and the igniter shell, the positioning die and the pressure head are coaxial with the servo press and the jacking cylinder after positioning;
(4) The jacking air cylinder is lifted along the axial direction to push the positioning die to be separated from the positioning carrier;
(5) Pressurizing the servo press according to preset parameters, pushing the pressure head to apply pressure to the energetic powder material in the ignition shell and keeping the pressure until the servo press detects that the actual pressure and the keeping time meet the preset parameters, and stopping pressurizing;
(6) The jacking air cylinder falls back along the axial direction, and the positioning die falls back into the positioning carrier again;
(7) The interception cylinder falls back, and the positioning carrier is sent to a pressure head dismounting station by using a conveyor belt;
(8) Clamping a pressure head from a positioning die by using a second manipulator, axially extracting the pressure head along the positioning die, and then placing the pressure head on a positioning carrier;
(9) And sending the igniter shell which is pressed and assembled together with the positioning carrier out of the pressure head disassembly station through a conveyor belt, and completing the automatic press-assembling process.
3. The servo-pressurization-based automatic press-fitting method of an energetic powder material according to claim 2, wherein:
and the positioning die is provided with an igniter shell and a pressure head.
4. The servo-pressurization-based energetic powder material automatic press-fitting method according to claim 3, wherein:
the pressure head and the positioning die are used for guaranteeing compatibility with the pressed energy-containing powder material and dimensional accuracy after pressing, S136 die steel is adopted, and quenching hardness is above 52-55 HRC.
5. The servo-pressurization-based automatic press-fitting method of an energetic powder material according to claim 4, wherein:
the pressure head is in clearance fit with the positioning die, so that the stability of the energetic powder material in the press fitting process is guaranteed, the fit clearance is controlled to be 0.01-0.02 mm, and the surface quality of the fit surface is controlled to be Ra0.4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111433472.2A CN114184095B (en) | 2021-11-29 | 2021-11-29 | Automatic press-fitting device and method for energetic powder material based on servo pressurization |
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| CN202111433472.2A CN114184095B (en) | 2021-11-29 | 2021-11-29 | Automatic press-fitting device and method for energetic powder material based on servo pressurization |
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| CN114184095B true CN114184095B (en) | 2023-12-29 |
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| CN115597444B (en) * | 2022-12-12 | 2023-03-07 | 四川航天川南火工技术有限公司 | Counter weight pressurizing mechanism, energy-containing powder material press-fitting device and press-fitting equipment |
| CN117623833B (en) * | 2024-01-25 | 2024-06-04 | 四川航天川南火工技术有限公司 | Quick pressing device for energetic explosive column |
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| CN114184095A (en) | 2022-03-15 |
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