CN114473189A - Production process of quick-response high-precision throttle valve filtering device for aircraft engine - Google Patents
Production process of quick-response high-precision throttle valve filtering device for aircraft engine Download PDFInfo
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- CN114473189A CN114473189A CN202111556097.0A CN202111556097A CN114473189A CN 114473189 A CN114473189 A CN 114473189A CN 202111556097 A CN202111556097 A CN 202111556097A CN 114473189 A CN114473189 A CN 114473189A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 65
- 238000001914 filtration Methods 0.000 title claims abstract description 64
- 230000004044 response Effects 0.000 title claims abstract description 50
- 238000012545 processing Methods 0.000 claims abstract description 82
- 238000004080 punching Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 19
- 239000002893 slag Substances 0.000 claims description 17
- 238000005553 drilling Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention discloses a production process of a quick-response high-precision throttle valve filtering device for an aero-engine, which comprises the following steps: mounting a product fixing disc on a positioning flange of a rotary driving platform, wherein the positioning flange is connected with a rotary driving mechanism through a coupler; a product to be processed is arranged on the product fixing disc; setting production parameters of laser processing equipment according to the requirements of the type of a produced product, driving a main shaft to rotate through a motor, and driving the product to rotate continuously through the main shaft; the laser processing equipment performs punching processing on a product to be processed in a spiral line punching mode; the product is then deburred. According to the invention, the product fixing disc is matched with the laser processing equipment, so that the processing efficiency is improved, the laser processing equipment adopts a spiral line mode to punch holes at the designated position of the product, the punching uniformity is ensured, the strength of the product is improved, the filtering effect is enhanced, and the use safety is improved.
Description
Technical Field
The invention belongs to the technical field of aviation, and particularly relates to a production process of a quick-response high-precision throttle valve filtering device for an aero-engine.
Background
An aero-engine (aero-engine) is a highly complex and precise thermal machine, and is used as the heart of an airplane, not only as the power for flying the airplane, but also as an important driving force for promoting the development of aviation industry. The hydraulic control system is an oil supply core component of the aircraft engine, and the hydraulic valve is an important component in the hydraulic control system.
The throttle hydraulic valve is one kind of hydraulic valve, because it is used in the aeroengine because of the characteristic that it can make the load pressure change little and the movement speed of the executive component with low requirement for movement uniformity basically keep stable after setting the throttle orifice area, the filter nozzle is an important component for filtering impurities in the throttle hydraulic valve, the quality of the filter tip directly concerns the energy supply situation of the whole hydraulic control system, therefore the filter nozzle is very important from its material selection to the whole processing procedure, directly concerns the flight safety of the airplane, it is vital, therefore the filter requirement is higher, it needs to set up more dense filter holes on it, but because its product size is itself smaller, it brings many difficulties to produce on it because it is not only complicated to process, the processing efficiency is slow, because the filter holes are too dense, the slag bits that produce in the inhomogeneous, the punching process of punching appear easily in the course of working blockked up other holes, punch even and do not get through the scheduling problem, influence its filter effect, if punch inhomogeneously, will influence whole filter nozzle intensity, therefore current processing technology still remains to be improved.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a production process of a quick-response high-precision throttle valve filtering device for an aircraft engine, which simplifies the punching process and effectively improves the processing efficiency of the aircraft engine by mutually matching a product fixing disc and laser processing equipment, and meanwhile, the laser processing equipment adopts a spiral line mode to punch holes at the appointed position of the product, so that the punching uniformity is effectively ensured, the strength of the product is effectively improved, the filtering effect of the product is improved, and the use safety of the product is further improved.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a production process of a quick-response high-precision throttle valve filtering device for an aircraft engine, which comprises the following steps: the specific production process comprises the following steps: 1): firstly, mounting a product fixing disc on a positioning flange of a rotary driving platform, wherein the positioning flange is connected with a rotary driving mechanism through a coupler;
2): then installing a product to be processed on a product fixing disc;
3): according to the requirements of the type of a product to be produced, setting production parameters of laser processing equipment, namely setting parameters of pitch, pitch and angle of laser drilling and drilling length;
4): then the motor drives the main shaft to rotate, and the positioning flange drives the product fixing disc and a product on the fixing disc to rotate continuously under the driving of the main shaft;
5): in the rotating process of the product, punching and processing the product to be processed in a spiral line punching mode through laser processing equipment;
6): and (5) deburring the product. According to the production process of the quick-response high-precision throttle valve filtering device for the aircraft engine, the product fixing disc and the laser processing equipment are matched with each other, so that the punching process is simplified, the processing efficiency is effectively improved, meanwhile, the laser processing equipment adopts a spiral line mode to punch at the designated position of the product, the punching uniformity is effectively ensured, the homogenization of the overall strength of the product is also ensured, the filtering effect is improved, and the use safety is further improved.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the product fixing disc comprises a fixing disc body, a first through hole is formed in the middle of the fixing disc body, a group of second through holes with ventilation are formed in the circumferential direction of the outer side of the first through hole, a center rod is arranged in the first through hole, and one end of the center rod is arranged in the product.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the boss is arranged on the fixed disk body, one side of the boss is conical, the product is in threaded connection with the conical end of the fixed disk body, one end, close to the product, of the central rod is conical, and the fixed disk body and the central rod are matched with the product. The conical arrangement of fixed disk body one end matches with the product, and fixed disk body and central rod adopt unique structural design, great improvement the stability of product installation and processing.
The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine comprises the following specific working method of the laser processing equipment in the step 5): 1): determining the thickness of a product to be processed, and calculating the punching energy value of the laser processing equipment according to the thickness of the product;
2): determining parameters of the length, pitch and punching angle of the punched holes according to the number of the punched holes, and inputting numerical values of the related parameters on laser processing equipment;
3): determining a starting point of punching on a product to be processed;
4): starting laser processing equipment to punch the product (3);
5): and performing flame cutting on the holes punched in the previous step to finish hole finishing.
The length of punching, pitch and the parameter of the angle of punching are set for well on laser beam machining equipment before processing, calculate the distance between each hole, then evenly punch on the product according to the mode of helix, have further improved the homogeneity that punches to the machining strength of product has further been guaranteed, the security of its later stage use is improved.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, when the laser processing equipment works, the speed-per-hour control center rod rotated by the rotary driving mechanism is kept opposite to the position of a hole to be processed in a product, so that slag chips generated by punching can be prevented from falling to the lower surface of the product to block the filtering hole, and the center rod is made of hard alloy. The setting of center rod has not only guaranteed the stability of product installation and processing, guarantees simultaneously through control actuating mechanism's rotational speed that it is relative with the position of treating the processing hole at any time sets up, in the course of working, can block the sediment bits that produce when punching and fall to the hole of opposite face, prevents effectively that the filtration hole from being blockked up by the sediment bits in the course of working.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, in the step 5, during the punching process of the laser processing equipment, the gas supply device continuously supplies gas to the second through hole in the fixed disc body, slag and scraps generated during punching are combusted through gas combustion supporting, so that the slag is conveniently discharged, and the filtering hole is further prevented from being blocked by the slag scraps during the processing process.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the product is in a conical pagoda shape, the wall thickness of the product is 0.2mm-1mm, and the product is integrally formed by adopting 15-5PH stainless steel materials. The product is in a conical pagoda shape, the filtering area of the product is increased, meanwhile, the product is integrally formed by adopting 15-5PH stainless steel materials without welding, the structural strength of the product is guaranteed, meanwhile, the wall thickness is 0.2-1 mm, and the material selection of the wall thickness improves the toughness, tensile strength, pressure resistance and other properties of the filtering nozzle, so that the stable operation of the filtering nozzle can be guaranteed under the acceleration and weightlessness states of an airplane.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the aperture of the hole punched by the laser processing equipment in the step 5) is larger than or equal to 0.1mm, and the size of the aperture can be adjusted according to the wall thickness of the product 3.
The invention relates to a production process of a filtering device in a quick-response high-precision throttling hydraulic valve for an aeroengine,
the number of the holes punched on the product can be adjusted according to the actual number required, and the holes are spirally arranged.
The technical scheme shows that the invention has the following beneficial effects:
1. according to the production process of the quick-response high-precision throttle valve filtering device for the aircraft engine, the product fixing disc and the laser processing equipment are matched with each other, so that the punching process is simplified, the processing efficiency is effectively improved, meanwhile, the laser processing equipment adopts a spiral line mode to punch at the designated position of the product, the punching uniformity is effectively ensured, the strength of the product is effectively improved, the uniformity of the overall strength of the product is also ensured, the filtering effect of the product is improved, and the use safety of the product is further improved.
2. According to the invention, high-pressure gas or liquid is sprayed to the surface of a workpiece to be drilled before drilling, and a high-speed fluid layer is formed on the surface of the workpiece, the high-speed fluid reduces the surface pressure of the machined hole, so that molten materials and material steam in the machined hole can be rapidly discharged, and the plasma shielding effect is reduced through the high-speed fluid, so that the machining speed and quality of laser drilling are improved.
3. According to the production process of the fast-response high-precision throttling hydraulic valve for the aero-engine, parameters of the length, the pitch, the thread pitch, the taper and the angle of the punched holes are set on laser processing equipment before processing, the distance between every two holes is calculated, then the holes are uniformly punched on the product in a spiral line mode, and the punching uniformity is further improved, so that the processing strength of the product is further guaranteed, and the safety of later use is improved.
4. According to the invention, one end of the fixed disk body is in a conical shape and is matched with a product, and the fixed disk body and the central rod adopt unique structural designs, so that the stability of product installation and processing is greatly improved.
5. The arrangement of the central rod ensures the stability of product installation and processing, and simultaneously ensures that the central rod is arranged opposite to the position of the hole to be processed at any time by controlling the rotating speed of the driving mechanism, so that slag chips generated during punching can be prevented from falling into the opposite hole in the processing process, and the filter hole is effectively prevented from being blocked by the slag chips in the processing process.
6. When the laser processing equipment provided by the invention is used for punching, the gas supply device continuously supplies gas to the second through hole on the fixed disc body, and the slag and scraps generated during punching are combusted through gas combustion supporting, so that the filter hole is further prevented from being blocked by the slag scraps in the processing process.
7. The product is in a conical pagoda shape, the filtering area of the product is increased, meanwhile, the product is integrally formed by adopting 15-5PH stainless steel materials without welding, the structural strength of the product is ensured, meanwhile, the wall thickness is 0.2-1 mm, and the selection of the materials effectively improves the performances of toughness, tensile strength, pressure resistance and the like of the filtering nozzle, so that the stable operation of the filtering nozzle can be ensured under the acceleration and weightlessness states of an airplane.
Drawings
FIG. 1 is a schematic structural view of the installation and positioning of the product of the present invention during processing;
FIG. 2 is a partial schematic view of the product of the present invention mounted with a product mounting tray and a positioning flange;
FIG. 3 is a partial schematic view of the product and product holding tray assembly of the present invention;
FIG. 4 is a view showing the structure of a product processed in the present invention;
FIG. 5 is a schematic view of the structure of the product mounting tray of the present invention;
FIG. 6 is a top view of the product holding tray of the present invention;
FIG. 7 is a schematic view of a positioning flange according to the present invention;
FIG. 8 is a cross-sectional view of a positioning flange of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Example 1
In this embodiment, a production process of a quick-response high-precision throttle valve filtering device for an aircraft engine includes: the specific production process comprises the following steps: 1): firstly, a product fixing disc 1 is arranged on a positioning flange 2 of a rotary driving platform, and the positioning flange 2 is connected with a rotary driving mechanism through a coupler;
2): then a product 3 to be processed is arranged on the product fixing disc 1;
3): according to the requirements of the type of a product to be produced, setting production parameters of laser processing equipment, namely setting parameters of pitch, pitch and angle of laser drilling and drilling length;
4): then the motor drives the main shaft to rotate, and the positioning flange drives the product fixing disc and a product on the fixing disc to rotate continuously under the driving of the main shaft;
5): in the rotating process of the product, punching and processing the product to be processed in a spiral line punching mode through laser processing equipment;
6): and (5) deburring the product.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the product fixing disc 1 comprises a fixing disc body 1, a first through hole 11 is formed in the middle of the fixing disc body 1, a group of second through holes 12 which are provided with ventilation holes are formed in the circumferential direction of the outer side of the first through hole 11, a center rod 13 is arranged in the first through hole 11, and one end of the center rod 13 is arranged inside the product 3.
In this embodiment the production technology of filter equipment in quick-response high accuracy throttle hydraulic valve for aeroengine, be equipped with boss 11 on the fixed disk body 1, the one side that is located boss 11 is the toper, product 3 and fixed disk body 1's toper end threaded connection, just the one end that central rod 13 is close to product 3 is the toper design, fixed disk body 1 all cooperatees with the product with central rod 13.
In the production process of the filtering device in the fast-response high-precision throttling hydraulic valve for the aero-engine, the specific working method of the laser processing device in the step 5 is as follows: 1): determining the thickness of a product to be processed, and calculating the punching energy value of the laser processing equipment according to the thickness of the product;
2): determining parameters of the length, pitch and punching angle of the punched holes according to the number of the punched holes, and inputting numerical values of the related parameters on laser processing equipment;
3): determining a starting point of punching on a product to be processed;
4): starting laser processing equipment to punch the product (3);
5): and performing flame cutting on the holes punched in the previous step to finish hole finishing.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, when the laser processing equipment works, the position of a hole to be processed on the product 3 and the center rod 13 for speed per hour control of the rotation of the rotary driving mechanism are kept opposite, so that slag generated by punching can be prevented from falling to the lower surface of the product 3 to block the filtering hole, and the center rod 13 is made of hard alloy.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, in the step 5, during the punching process of the laser processing equipment, the gas supply device continuously supplies gas to the second through holes 12 in the fixed disc body 1, and slag and scraps generated during punching are combusted through gas combustion supporting.
Example 2
In this embodiment, a production process of a quick-response high-precision throttle valve filtering device for an aircraft engine includes: the specific production process comprises the following steps: 1): firstly, a product fixing disc 1 is arranged on a positioning flange 2 of a rotary driving platform, and the positioning flange 2 is connected with a rotary driving mechanism through a coupler;
2): then a product 3 to be processed is arranged on the product fixing disc 1;
3): according to the requirements of the type of a product to be produced, setting production parameters of laser processing equipment, namely setting parameters of pitch, pitch and angle of laser drilling and drilling length;
4): then the motor drives the main shaft to rotate, and the positioning flange drives the product fixing disc and a product positioned on the fixing disc to continuously rotate under the driving of the main shaft;
5): in the rotating process of the product, punching and processing the product to be processed in a spiral line punching mode through laser processing equipment;
6): and (5) deburring the product.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the product fixing disc 1 comprises a fixing disc body 1, a first through hole 11 is formed in the middle of the fixing disc body 1, a group of second through holes 12 which are provided with ventilation holes are formed in the circumferential direction of the outer side of the first through hole 11, a center rod 13 is arranged in the first through hole 11, and one end of the center rod 13 is arranged inside the product 3.
In this embodiment the production technology of filter equipment in quick-response high accuracy throttle hydraulic valve for aeroengine, be equipped with boss 11 on the fixed disk body 1, the one side that is located boss 11 is the toper, product 3 and fixed disk body 1's toper end threaded connection, just the one end that central rod 13 is close to product 3 is the toper design, fixed disk body 1 all cooperatees with the product with central rod 13.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the specific working method of the laser processing device in the step 5 is as follows: 1): determining the thickness of a product to be processed, and calculating the punching energy value of the laser processing equipment according to the thickness of the product;
2): determining parameters of the length, pitch and punching angle of the punched holes according to the number of the punched holes, and inputting numerical values of the related parameters on laser processing equipment;
3): determining a starting point of punching on a product to be processed;
4): starting laser processing equipment to punch the product 3;
5): and performing flame cutting on the holes punched in the previous step to finish hole finishing.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, when the laser processing equipment works, the position of a hole to be processed on the product 3 and the center rod 13 for speed per hour control of the rotation of the rotary driving mechanism are kept opposite, so that slag generated by punching can be prevented from falling to the lower surface of the product 3 to block the filtering hole, and the center rod 13 is made of hard alloy.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, in the step 5, during the punching process of the laser processing equipment, the gas supply device continuously supplies gas to the second through holes 12 in the fixed disc body 1, and slag and scraps generated during punching are combusted through gas combustion supporting.
In the production process of the filtering device in the fast-response high-precision throttling hydraulic valve for the aero-engine, the product 3 is in a conical pagoda shape, the wall thickness of the product is 0.2mm-1mm, the product is processed by adopting 15-5PH stainless steel materials, and the taper of one end of the fixed disc body 1 is matched with the taper of the product 3.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, in the step 5), the aperture of the hole punched by the laser processing equipment is larger than or equal to 0.1mm, and the size of the aperture can be adjusted according to the wall thickness of the product 3.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the number of the holes punched in the product 3 can be adjusted according to the required actual number, and the holes are arranged in a spiral mode.
Example 3
The diameter of the hole processed by the filter device in this example was 0.2 mm.
In this embodiment, a production process of a quick-response high-precision throttle valve filtering device for an aircraft engine includes: the specific production process comprises the following steps: 1): firstly, a product fixing disc 1 is arranged on a positioning flange 2 of a rotary driving platform, and the positioning flange 2 is connected with a rotary driving mechanism through a coupler;
2): then a product 3 to be processed is arranged on the product fixing disc 1;
3): according to the needs of producing the product model, set for the production parameter of laser processing equipment, carry out parameter setting to laser beam drilling's length, pitch and angle promptly, specific parameter setting is respectively: the length L is 17 +/-0.5 mm, the pitch is 0.42 +/-0.2 mm, and the angle is 7 degrees;
4): then the motor drives the main shaft to rotate, and the positioning flange drives the product fixing disc and a product on the fixing disc to rotate continuously under the driving of the main shaft;
5): in the rotating process of the product, punching and processing the product to be processed in a spiral line punching mode through laser processing equipment;
6): and (5) deburring the product.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the product fixing disc 1 comprises a fixing disc body 1, a first through hole 11 is formed in the middle of the fixing disc body 1, a group of second through holes 12 which are provided with ventilation holes are formed in the circumferential direction of the outer side of the first through hole 11, a center rod 13 is arranged in the first through hole 11, and one end of the center rod 13 is arranged inside the product 3.
In this embodiment the production technology of filter equipment in quick-response high accuracy throttle hydraulic valve for aeroengine, be equipped with boss 11 on the fixed disk body 1, the one side that is located boss 11 is the toper, product 3 and fixed disk body 1's toper end threaded connection, just the one end that central rod 13 is close to product 3 is the toper design, fixed disk body 1 all cooperatees with the product with central rod 13.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the specific working method of the laser processing device in the step 5 is as follows: 1): determining the thickness of a product to be processed, and calculating the punching energy value of the laser processing equipment according to the thickness of the product;
2): according to the number of the holes to be punched, determining parameters of the length 17 +/-0.5 mm, the step distance, the pitch, the thread pitch and the hole-punching taper of the holes to be punched, and inputting numerical values of relevant parameters on laser processing equipment;
3): determining a starting point of punching on a product to be processed;
4): spraying high-pressure gas or liquid to the surface of a workpiece to be drilled by using a pressurizing device and forming a high-speed fluid layer on the surface of the workpiece, wherein the fluid flow direction of the high-speed fluid layer is parallel to the surface of the workpiece;
5): meanwhile, starting the laser processing equipment to punch the product 3;
6): and performing flame cutting on the holes punched in the previous step to finish hole finishing.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, when the laser processing equipment works, the position of a hole to be processed on the product 3 and the center rod 13 for speed per hour control of the rotation of the rotary driving mechanism are kept opposite, so that slag generated by punching can be prevented from falling to the lower surface of the product 3 to block the filtering hole, and the center rod 13 is made of hard alloy.
In the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, in the step 5, during the punching process of the laser processing equipment, the gas supply device continuously supplies gas to the second through holes 12 in the fixed disc body 1, and slag and scraps generated during punching are combusted through gas combustion supporting.
In the production process of the filtering device in the fast-response high-precision throttling hydraulic valve for the aero-engine, the product 3 is in a conical pagoda shape, the wall thickness of the product is 0.2mm-1mm, the product is processed by adopting 15-5PH stainless steel materials, and the taper of one end of the fixed disc body 1 is matched with the taper of the product 3.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, in the step 5), the aperture of the hole punched by the laser processing equipment is larger than or equal to 0.1mm, and the size of the aperture can be adjusted according to the wall thickness of the product 3.
According to the production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine, the number of the holes punched in the product 3 can be adjusted according to the required actual number, and the holes are arranged in a spiral mode. The punching quantity of the product is not more than 20000.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. The production process of the quick-response high-precision throttle valve filtering device for the aircraft engine is characterized by comprising the following steps of: the method comprises the following steps: the specific production process comprises the following steps: 1): firstly, a product fixing disc (1) is arranged on a positioning flange (2) of a rotary driving platform, and the positioning flange (2) is connected with a rotary driving mechanism through a coupler;
2): then a product (3) to be processed is arranged on the product fixing disc (1);
3): according to the requirements of the type of a product to be produced, setting production parameters of laser processing equipment, namely setting parameters of pitch, pitch and angle of laser drilling and drilling length;
4): then the motor drives the main shaft to rotate, and the positioning flange drives the product fixing disc and a product on the fixing disc to rotate continuously under the driving of the main shaft;
5): in the rotating process of the product, punching and processing the product to be processed in a spiral line punching mode through laser processing equipment;
6): and (5) deburring the product.
2. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 1, characterized in that: product fixed disk (1) includes fixed disk body (1), the middle part of fixed disk body (1) is equipped with first perforation (11), and the outside circumference that is located first perforation (11) is equipped with a set of second perforation (12) that are equipped with the ventilation, be equipped with center rod (13) in first perforation (11), just the inside of product (3) is located to the one end of center rod (13).
3. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 2, characterized in that: be equipped with boss (11) on fixed disk body (1), the one side that is located boss (11) is the toper, product (3) and the toper end threaded connection of fixed disk body (1), just one end that central rod (13) are close to product (3) is the toper design, fixed disk body (1) all cooperatees with the product with central rod (13).
4. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 3, wherein the production process comprises the following steps: the specific working method of the laser processing equipment in the step 5) is as follows: 1): determining the thickness of a product to be processed, and calculating the punching energy value of the laser processing equipment according to the thickness of the product;
2): determining parameters of the length, the thread pitch and the punching angle of the punched holes according to the number of the punched holes, and inputting numerical values of the relevant parameters on laser processing equipment;
3): determining a starting point of punching on a product to be processed;
4): starting laser processing equipment to punch the product (3);
5): and performing flame cutting on the holes punched in the previous step to finish hole finishing.
5. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 4, wherein the production process comprises the following steps: when the laser processing equipment works, the positions of holes to be processed on the rotating speed control center rod (13) and the product (3) are kept to be oppositely arranged, slag generated by punching can be prevented from falling to the lower surface of the product (3) to block the filtering holes, and the center rod (13) is made of hard alloy.
6. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 4 is characterized in that: in the step 5, during the punching process of the laser processing equipment, the gas supply device continuously supplies gas to the second through holes (12) on the fixed disc body (1), and the slag and the scraps generated during punching are combusted through gas combustion supporting.
7. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 1, characterized in that: the product (3) is in a conical pagoda shape, the wall thickness of the product is 0.2mm-1mm, and the product is processed by adopting stainless steel materials with 15-5 PH.
8. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 4, wherein the production process comprises the following steps: the aperture of the hole punched by the laser processing equipment in the step 5) is more than or equal to 0.1mm, and the size of the aperture can be adjusted according to the wall thickness of the product (3).
9. The production process of the filtering device in the quick-response high-precision throttling hydraulic valve for the aero-engine according to claim 4, wherein the production process comprises the following steps: the number of punching on product (3) can be adjusted according to required actual quantity, just the hole adopts the spiral to arrange.
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