CN109579640B - Airfoil processing device and processing method - Google Patents
Airfoil processing device and processing method Download PDFInfo
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- CN109579640B CN109579640B CN201811530475.6A CN201811530475A CN109579640B CN 109579640 B CN109579640 B CN 109579640B CN 201811530475 A CN201811530475 A CN 201811530475A CN 109579640 B CN109579640 B CN 109579640B
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- airfoil
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- machining
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- 238000012545 processing Methods 0.000 title claims description 25
- 238000003672 processing method Methods 0.000 title description 6
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 238000000227 grinding Methods 0.000 claims abstract description 47
- 238000003801 milling Methods 0.000 claims abstract description 35
- 238000003754 machining Methods 0.000 claims abstract description 28
- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 42
- 230000009471 action Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Tires In General (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The device comprises a bench milling device and an airfoil grinding tire; the bench milling equipment comprises a machine body, a workbench and a main shaft, wherein a plug bush is machined on the main shaft, external threads are machined at the end part of the main shaft, four saw blades are sequentially installed on the main shaft, a spacer bush is installed between every two saw blades, and the distance between every two adjacent saw blades is adjusted through the spacer bush; a lock nut is arranged on the external thread at the end part of the main shaft; the airfoil grinding tire is arranged and fixed on the workbench, the airfoil grinding tire comprises a base, two extending blocks are processed on the base at positions corresponding to clamping blocks of the airfoil, and the clamping blocks of the airfoil are just placed on the extending blocks; a positioning block is processed on the base at a position corresponding to the clamping groove of the airfoil; two limiting blocks are processed on the base at the same side with the extension block; a spring pressing sheet is arranged on one side of the base opposite to the extension block; and rotary pressing blocks are arranged on two sides of the spring pressing sheet. The device can realize machining and greatly improve production efficiency.
Description
Technical Field
The invention belongs to the field of missile product part machining devices, and particularly relates to a reprocessing device and a processing method for airfoil sizes installed on missile products.
Background
The existing airfoil surfaces arranged on missile products are divided into right airfoil surfaces, left airfoil surfaces and weighted left airfoil surfaces; the product piece is a plastic foaming composite piece and comprises a sub-piece 1, a sub-piece 2 and a sub-piece 3; wherein the material of the sub-component 1 is a plastic product folding plate of epoxy phenolic glass fiber, two clamping blocks are processed on the sub-component 1, and a clamping groove is processed between the two clamping blocks; the width of the clamping block needs to be controlled atThe size and the width between two clamping blocks are controlled to be 22 +0.14 mm; the material of the sub 2 is the coating of the aluminum plate LY 12-CZ; the material of the sub-component 3 is a supporting frame or a weighting block (weighting left airfoil surface is adopted) of aluminum plate LY12-C aluminum, and the three sub-components are formed by foaming and combining nitrile phenolic foam plastic FPS-541 at high temperature by using a mold, and the structure of the left airfoil surface is taken as an example, and is shown in figure 1. Because of the structural specificity of the part and the epoxy phenolic glass fiber plastic as the material of the sub-part 1, the material has shrinkage rate and has a change in size after secondary foaming and heating, so as to ensure that the two clamping blocks and the size between the two clamping blocks are22 +0.14 mm, the product piece is required to be added for the second time after foaming and combinationAnd (5) working.
The existing method for carrying out secondary processing on the airfoil surface comprises the following steps: clamping the assembly on a vice, wherein the clamping force is required to be proper when clamping the part so as to avoid clamping the part; taking one side (A side) of the clamping block as a reference, using a 12 inch flat file to repair the other side (B side) of the clamping block to ensureDimensional tolerances; repairing and filing a second clamping block (C surface) to ensure 22 +0.14 mm dimensional tolerance, then filing the other side (D side) of the second clamping block to ensure +.>Dimensional tolerances; finally, the surface A can be slightly polished to ensure that the size is qualified, and the measuring tool and the caliper are used for calibration when each surface is polished so as to avoid the phenomenon of unqualified size. The whole processing process is manual operation, is influenced by human factors, has low yield of the processing size, has high processing strength due to strict requirement on dimensional tolerance, has low production efficiency, can only grind 80 pieces per person every day, and cannot meet the requirement of batch production; in addition, when trimming with flat file, because epoxy phenolic glass fiber plastics's specificity leads to the powder adhesion that produces when the correction to be on flat file, makes flat file unable to continue to use, grinds 80 products and just need consume 12 cun flat file 5, greatly increased manufacturing cost.
Disclosure of Invention
The first object of the invention is to provide a processing device for an airfoil surface, which solves the technical problems that the existing airfoil surface is large in processing strength, low in production efficiency and high in production cost due to manual operation in the whole process of processing the size of the airfoil surface.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a processing device of an airfoil comprises a bench milling device and an airfoil grinding tire arranged on the bench milling device; the bench milling equipment comprises a machine body, a workbench and a main shaft, wherein a plug bush is machined on the main shaft of the bench milling equipment, external threads are machined at the end part of the main shaft, four saw blades are sequentially installed on the main shaft, a spacer bush is installed between every two saw blades, the distance between every two adjacent saw blades is adjusted through the spacer bush, and the distance between the two adjacent saw blades is ensured to meet the machining requirement; a lock nut is arranged on the external thread at the end part of the main shaft, and the saw blade and the spacer bush are clamped and fixed through the lock nut; the wing surface grinding tire is installed and fixed on the workbench, the wing surface grinding tire comprises a base, two extending blocks are processed on the base at positions corresponding to clamping blocks of the wing surface, and the clamping blocks of the wing surface are just placed on the extending blocks; a positioning block is processed on the base at a position corresponding to the clamping groove of the airfoil; two limiting blocks are processed on the base at the same side with the extension block; the limiting block is used for limiting the front-back displacement of the airfoil; a spring pressing sheet is arranged on one side of the base opposite to the extension block; the two sides of the spring pressing piece on the base are respectively provided with a rotary pressing block; the rotary pressing block is used for clamping and fixing the airfoil.
As a preferred aspect of the present invention, the processing apparatus further includes a lighting lamp installed at one side of the bench milling device and a dust removing ventilator; the dust removing ventilator is connected with the ventilating duct; and the ventilating duct is carried on the bench milling equipment, and an ash inlet of the ventilating duct is arranged close to the saw blade on the main shaft.
As the preferable mode of the invention, the connecting end of the main shaft and the machine body is of a conical structure, and the Morse taper is 3 degrees; the inner part of the connecting end of the main shaft and the machine body is provided with an internal thread.
As the preferable mode of the invention, the airfoil grinding tire further comprises a pressing piece positioning block, wherein the pressing piece positioning block is fixedly arranged on the base through a screw, and the spring pressing piece is fixedly arranged on the pressing piece positioning block through a screw.
In the present invention, the rotary press block is mounted on the base by a press block screw, a spacer is mounted between the rotary press block and the press block screw, and a wrench is processed on the press block screw.
As the preferable choice of the invention, the section of the base of the airfoil mill tire is I-shaped; the spring pressing piece is of a V-shaped structure; the saw blade is a fine-tooth saw blade, and saw teeth on the saw blade are made of alloy materials; and avoidance grooves are respectively processed on the two extension blocks.
As the preferable choice of the invention, the bench milling equipment is lifting bench milling equipment, and also comprises a lifting component, a transverse sliding component and a longitudinal sliding component; the lifting assembly comprises a lifting table and a first driving mechanism; the transverse sliding assembly comprises a transverse sliding table and a second driving mechanism; the longitudinal sliding assembly comprises a workbench and a third driving mechanism; a Y-direction trapezoidal sliding rail is processed on the frame; the lifting platform is arranged on the Y-direction trapezoidal sliding rail and moves up and down along the Y-direction trapezoidal sliding rail under the action of the first driving mechanism; an X-direction trapezoidal sliding rail is processed on the table top of the lifting table; the transverse sliding table is arranged on the X-direction trapezoidal sliding rail and moves left and right along the X direction under the action of the second driving mechanism; a Z-direction trapezoidal sliding rail is processed on the table top of the transverse sliding table; the workbench is arranged on the Z-direction trapezoidal sliding rail, and moves back and forth along the Z direction under the action of the third driving mechanism, the airfoil to be added on the airfoil grinding tire can accurately correspond to the saw blade on the main shaft through the lifting component and the transverse sliding component, the machining precision is ensured, and the longitudinal feeding of the airfoil can be realized through the longitudinal sliding component.
As a further preferable mode of the invention, the bench milling equipment further comprises a longitudinal limiting mechanism, and the phenomenon that the machining fails and a product piece is scrapped due to the fact that the saw blade mills the rest parts of the airfoil surface during machining is avoided through the longitudinal limiting mechanism; the longitudinal limiting mechanism comprises a longitudinal limiting block arranged on the inner side of the transverse sliding table and a movable block arranged on the inner side of the workbench; and a limiting hole is formed in the longitudinal limiting block, a limiting pin is formed in the movable block, and after the third driving mechanism is driven to enable the movable block to be in contact with the longitudinal limiting block, the limiting pin is inserted into the limiting hole, so that the workbench is prevented from going forward continuously.
As a further preferred aspect of the present invention, two T-shaped grooves are formed in a table of the bench milling apparatus, mounting notches are formed in positions of the bottom of the base corresponding to the T-shaped grooves, and the base is mounted and fixed on the table by T-shaped bolts and nuts.
The invention further aims to provide a processing method for processing the airfoil when the airfoil processing device is adopted, so that the technical problems of high processing strength and low production efficiency in the existing airfoil size processing are solved.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a processing method of an airfoil surface specifically comprises the following steps:
s1, turning on an illuminating lamp, mounting and fixing an airfoil grinding tire on a workbench of a bench milling device, and adjusting the positions of a lifting table and a transverse sliding table through a first driving mechanism and a second driving mechanism to enable an extension block on the airfoil grinding tire to accurately correspond to a gap of a saw blade on a main shaft; then, the accurate position of the wing surface grinding tire on the workbench is adjusted, and when the movable block is contacted with the longitudinal limiting block after the third driving mechanism is driven, the saw blade on the main shaft just cuts the root of the extension block;
s2, rotating a rotary pressing block on the airfoil grinding tire outwards, then installing an airfoil to be processed on the airfoil grinding tire, arranging the airfoil between a spring pressing plate and a limiting block, clamping a positioning block on the airfoil grinding tire in a clamping groove of the airfoil, placing the clamping block of the airfoil on an extension block of the airfoil grinding tire, and accurately positioning the airfoil by the positioning block and the extension block on the airfoil grinding tire;
s3, rotating the rotary pressing block, pressing the rotary pressing block on the wing surface, and then rotating a pressing block screw through a spanner, so that the rotary pressing block is tightly pressed on the wing surface;
s4, starting a dust removal ventilator, starting a bench milling device, driving a spindle to drive a saw blade to rotate, then driving a third driving mechanism, driving a wing surface grinding tire and a wing surface to longitudinally push by a workbench under the action of the third driving mechanism, processing a clamping block on the wing surface by the saw blade on the spindle, cutting redundant epoxy phenolic glass fiber plastic, and guaranteeing the width of the wing surface clamping block at one timeSpacing 22 between two clamping blocks of airfoil +0.14 mm in size.
The invention has the advantages and effects that:
(1) The processing device provided by the invention can effectively solve the technical problems existing in the prior art that the airfoil surface is manually processed, has simple structure and convenient use, and can process the widths of two clamping blocks at one timeTwo clamping block spacing 22 +0.14 The size of mm reduces the labor intensity of operators, greatly improves the production efficiency and improves the yield.
(2) The machining method provided by the invention can realize mechanical machining, 320 parts can be machined by each person every day, the production efficiency is improved by 4 times compared with that of the traditional machining, the mechanical machining precision is high, and the waste loss is reduced; in addition, because the dust removing ventilator is arranged, the processing environment is greatly improved, and the damage to the body of workers caused by long-time operation is avoided.
Drawings
FIG. 1 is a schematic view of a conventional left airfoil.
Fig. 2 is a schematic diagram of the overall structure of the processing apparatus of the present invention.
Fig. 3 is a schematic view of a spindle on a bench milling apparatus according to the present invention.
Fig. 4 is a schematic view of the installation of the longitudinal stop mechanism of the present invention.
FIG. 5 is a front view of an airfoil scrub of the present invention.
Fig. 6 is a cross-sectional view of fig. 5 in accordance with the present invention.
Detailed Description
In order to make the technical solution of the present invention and its advantages and effects clear for those skilled in the art, the present invention is further described below with reference to the accompanying drawings and detailed description so that those skilled in the art can more understand the technical solution of the present invention, but the present invention is not limited thereto.
Example 1 airfoil machining apparatus
Referring to FIG. 2, the present invention provides an airfoil machining apparatus comprising: the equipment comprises a bench milling device 1, an airfoil grinding tire 2, an illuminating lamp 3 and a dust removal ventilator (not marked) which are arranged on the bench milling device; the bench milling equipment 1 is lifting bench milling equipment and comprises a machine body 10, a lifting assembly 11, a transverse sliding assembly 12, a longitudinal sliding assembly 13, a main shaft 14 and a longitudinal limiting mechanism; wherein, the lifting assembly 11 comprises a lifting table 110 and a first driving mechanism 111; the transverse sliding assembly 12 comprises a transverse sliding table 120 and a second driving mechanism 121; the longitudinal sliding assembly 13 comprises a workbench 130 and a third driving mechanism 131; a Y-direction trapezoidal sliding rail (not marked) is processed on the frame 10; the lifting table 110 is mounted on the Y-direction trapezoidal sliding rail, and moves up and down along the Y-direction trapezoidal sliding rail under the action of the first driving mechanism 111; an X-direction trapezoidal sliding rail 112 is processed on the table top of the lifting table 110; the transverse sliding table 120 is mounted on an X-direction trapezoidal sliding rail, and moves left and right along the X-direction under the action of the second driving mechanism 121; a Z-direction trapezoidal sliding rail (not marked) is processed on the table top of the transverse sliding table; the workbench 130 is mounted on a Z-direction trapezoidal sliding rail, and the workbench 130 moves back and forth along the Z direction under the action of the third driving mechanism 131;
referring to fig. 3, the main shaft 14 is mounted on the machine body 10, the connection end of the main shaft and the machine body is in a cone structure, and the mohs taper is 3 °; the internal thread is processed in the connecting end of the main shaft and the machine body, and the main shaft and the machine frame are more firmly installed through the internal thread and the self conical structure; a plugging sleeve 141 is processed on the main shaft 14, external threads are processed at the end part of the main shaft, four saw blades 15 are sequentially installed on the main shaft, a spacer 142 is installed between every two saw blades, the distance between every two adjacent saw blades is adjusted through the spacer, and the distance between every two adjacent saw blades is ensured to meet the processing requirement; a lock nut 143 is arranged on the external thread at the end part of the main shaft, and the saw blade and the spacer bush are clamped and fixed through the lock nut 143; in addition, in order to ensure that the lock nut clamps the saw blade, a spacer 142 can be arranged between the lock nut and the outermost saw blade; according to the invention, the airfoil surface to be added on the airfoil surface grinding tire can be accurately corresponding to the gear on the main shaft through the lifting component and the transverse sliding component, so that the machining precision is ensured, and the longitudinal feeding of the airfoil surface can be realized through the longitudinal sliding component.
Referring to fig. 4, the longitudinal limiting mechanism 16 includes a longitudinal limiting block 160 mounted on the inner side of the transverse sliding table 120, and a movable block 161 mounted on the inner side of the working table 130; the longitudinal limiting block 160 is provided with a limiting hole, the movable block 161 is provided with a limiting pin 162, and when the third driving mechanism is driven to enable the movable block to be in contact with the longitudinal limiting block, the limiting pin 162 is inserted into the limiting hole, so that the workbench is prevented from going forward continuously.
With continued reference to fig. 2, the illumination lamp 3 is installed on one side of the bench milling device 1, and is used for illuminating when the airfoil surface is processed, so that the processing is convenient; the dust removing ventilator is connected with the ventilating duct 4; the ventilating duct 4 is mounted on the bench milling equipment 1, and an ash inlet of the ventilating duct is arranged close to the saw blade 15 on the main shaft, so that dust generated during processing is conveniently sucked away, and the working environment is improved.
Referring to fig. 2, 5 and 6, the cross section of the airfoil grinding tire 2 is in an i-shaped structure, two T-shaped grooves are machined on the workbench 130, mounting notches 21 are machined at positions, opposite to the T-shaped grooves, of the bottom of the airfoil grinding tire 2, and the airfoil grinding tire 2 is mounted and fixed on the workbench 130 through T-shaped bolts 5 and nuts 6.
The airfoil grinding tire 2 comprises a base 22, a positioning block 24, a pressing piece positioning block 28, a spring pressing piece 26 and a rotary pressing block 27; two extension blocks 23 are processed on the base at positions corresponding to the clamping blocks of the airfoil, avoidance grooves 231 are respectively processed on the two extension blocks, and the clamping blocks of the airfoil are just placed on the extension blocks; a positioning block 24 is arranged at a position on the base corresponding to the clamping groove of the airfoil through a screw 8; two limiting blocks 25 are processed on the base at the same side with the extension block; the limiting block is used for limiting the front-back displacement of the airfoil; a tabletting positioning block 28 is arranged on one side of the base opposite to the extension block; the pressing piece positioning block 28 is fixedly arranged on the base through a screw 8, the spring pressing piece 26 is fixedly arranged on the pressing piece positioning block through the screw 8, and the spring pressing piece is of a V-shaped structure; a rotary pressing block 27 is respectively arranged on two sides of the spring pressing sheet on the base, the rotary pressing block 27 is arranged on the base 22 through a pressing block screw 7, and a gasket 29 is arranged between the rotary pressing block and the pressing block screw; in addition, for the convenience to fix the airfoil the spanner can be processed on the briquetting screw 7 when the fixed airfoil is clamped to needs, place the airfoil on the base earlier, then rotate rotatory briquetting, make rotatory briquetting press on the airfoil, afterwards rotate briquetting screw through spanner on the briquetting screw, make rotatory briquetting tightly press on the airfoil, easy operation.
The saw blade of the invention is preferably a fine-tooth saw blade, and the saw teeth on the saw blade are preferably made of alloy materials.
Example 2 machining method for machining an airfoil Using the airfoil machining apparatus described above
A processing method of an airfoil surface specifically comprises the following steps:
s1, turning on an illuminating lamp 3, mounting and fixing an airfoil grinding tire 2 on a workbench 130 of a bench milling device, and adjusting the positions of a lifting table 130 and a transverse sliding table 120 through a first driving mechanism 111 and a second driving mechanism 121 to enable an extension block 23 on the airfoil grinding tire to accurately correspond to a gap of a saw blade on a main shaft; then, the accurate position of the airfoil grinding tire 2 on the workbench is adjusted, so that when the movable block 161 is contacted with the longitudinal limiting block 160 after the third driving mechanism 131 is driven, the saw blade on the main shaft just cuts the root of the extension block;
s2, rotating a rotary pressing block 27 on the airfoil grinding tire 2 outwards, then installing an airfoil to be processed on the airfoil grinding tire, arranging the airfoil between a spring pressing plate 26 and a limiting block 25, clamping a positioning block 24 on the airfoil grinding tire in a clamping groove of the airfoil, placing the clamping block of the airfoil on an extension block 23 of the airfoil grinding tire, and accurately positioning the airfoil by the positioning block and the extension block on the airfoil grinding tire;
s3, rotating the rotary pressing block 27 to press the rotary pressing block on the wing surface, and then rotating the pressing block screw 7 through a spanner to tightly press the rotary pressing block on the wing surface;
s4, starting a dust removal ventilator, starting a bench milling device, driving a spindle to drive a saw blade to rotate, then driving a third driving mechanism, driving a wing surface grinding tire and a wing surface to longitudinally push by a workbench under the action of the third driving mechanism, processing a clamping block of the wing surface by a saw blade 15 on the spindle, cutting redundant epoxy phenolic glass fiber plastic, and guaranteeing the width of the clamping block of the wing surface at one timeSpacing 22 between two clamping blocks of airfoil +0.14 The size of mm, achieving the intended processing purpose.
Claims (10)
1. The airfoil machining device is characterized by comprising a bench milling device, an airfoil grinding tire, an illuminating lamp and a dust removal ventilator, wherein the airfoil grinding tire, the illuminating lamp and the dust removal ventilator are arranged on the bench milling device; the bench milling equipment comprises a machine body, a workbench and a main shaft, wherein a plug bush is machined on the main shaft of the bench milling equipment, external threads are machined at the end part of the main shaft, four saw blades are sequentially installed on the main shaft, a spacer bush is installed between every two saw blades, the distance between every two adjacent saw blades is adjusted through the spacer bush, and the distance between the two adjacent saw blades is ensured to meet the machining requirement; a lock nut is arranged on the external thread at the end part of the main shaft, and the saw blade and the spacer bush are clamped and fixed through the lock nut; the wing surface grinding tire is installed and fixed on the workbench, the wing surface grinding tire comprises a base, two extending blocks are processed on the base at positions corresponding to clamping blocks of the wing surface, and the clamping blocks of the wing surface are just placed on the extending blocks; a positioning block is processed on the base at a position corresponding to the clamping groove of the airfoil; two limiting blocks are processed on the base at the same side with the extension block; the limiting block is used for limiting the front-back displacement of the airfoil; a spring pressing sheet is arranged on one side of the base opposite to the extension block; the two sides of the spring pressing piece on the base are respectively provided with a rotary pressing block; the rotary pressing block is used for clamping and fixing the airfoil; the connecting end of the main shaft and the machine body is of a conical structure, and internal threads are machined in the connecting end of the main shaft and the machine body; the section of the base of the airfoil grinding tire is of an I-shaped structure.
2. The apparatus for machining an airfoil of claim 1, wherein the illumination lamp is mounted on a side of a bench milling device; the dust removing ventilator is connected with the ventilating duct; and the ventilating duct is carried on the bench milling equipment, and an ash inlet of the ventilating duct is arranged close to the saw blade on the main shaft.
3. The airfoil machining apparatus according to claim 1 or 2, wherein the connection end of the main shaft and the main body is of a conical structure, and the morse taper is 3 °.
4. The apparatus of claim 1 or 2, wherein the airfoil mill further comprises a press piece positioning block, the press piece positioning block being secured to the base by a screw mount, the spring press piece being secured to the press piece positioning block by a screw mount.
5. The apparatus for machining an airfoil according to claim 1 or 2, wherein the rotary press block is mounted on the base by a press block screw, a spacer is mounted between the rotary press block and the press block screw, and a wrench is machined on the press block screw.
6. The airfoil machining apparatus of claim 1 or 2, wherein the spring press sheet is of V-shaped configuration; the saw blade is a fine-tooth saw blade, and saw teeth on the saw blade are made of alloy materials; and avoidance grooves are respectively processed on the two extension blocks.
7. The apparatus for machining an airfoil of claim 1 or 2, wherein the bench milling equipment is lifting bench milling equipment, further comprising a lifting assembly, a transverse sliding assembly, a longitudinal sliding assembly; the lifting assembly comprises a lifting table and a first driving mechanism; the transverse sliding assembly comprises a transverse sliding table and a second driving mechanism; the longitudinal sliding assembly comprises a workbench and a third driving mechanism; a Y-direction trapezoidal sliding rail is processed on the machine body; the lifting platform is arranged on the Y-direction trapezoidal sliding rail and moves up and down along the Y-direction trapezoidal sliding rail under the action of the first driving mechanism; an X-direction trapezoidal sliding rail is processed on the table top of the lifting table; the transverse sliding table is arranged on the X-direction trapezoidal sliding rail and moves left and right along the X direction under the action of the second driving mechanism; a Z-direction trapezoidal sliding rail is processed on the table top of the transverse sliding table; the workbench is arranged on the Z-direction trapezoidal sliding rail, and moves back and forth along the Z direction under the action of the third driving mechanism, the airfoil to be added on the airfoil grinding tire can accurately correspond to the gear on the main shaft through the lifting component and the transverse sliding component, the machining precision is ensured, and the longitudinal feeding of the airfoil can be realized through the longitudinal sliding component.
8. The apparatus for machining an airfoil of claim 7, wherein the bench milling equipment further comprises a longitudinal stop mechanism comprising a longitudinal stop mounted inside a transverse glide table, a movable block mounted inside a table; and a limiting hole is formed in the longitudinal limiting block, and a limiting pin is formed in the movable block.
9. The apparatus for machining an airfoil according to claim 7, wherein two T-shaped grooves are machined in a table of the table milling apparatus, mounting notches are machined in a position opposite to the T-shaped grooves in a bottom of the base, and the base is mounted and fixed to the table by T-shaped bolts and nuts.
10. A method of machining an airfoil using the airfoil machining apparatus of claim 8, comprising the steps of:
s1, turning on an illuminating lamp, mounting and fixing an airfoil grinding tire on a workbench of a bench milling device, and adjusting the positions of a lifting table and a transverse sliding table through a first driving mechanism and a second driving mechanism to enable an extension block on the airfoil grinding tire to accurately correspond to a gap of a saw blade on a main shaft; then, the accurate position of the wing surface grinding tire on the workbench is adjusted, and when the movable block is contacted with the longitudinal limiting block after the third driving mechanism is driven, the saw blade on the main shaft just cuts the root of the extension block;
s2, rotating a rotary pressing block on the airfoil grinding tire outwards, then installing an airfoil to be processed on the airfoil grinding tire, arranging the airfoil between a spring pressing plate and a limiting block, clamping a positioning block on the airfoil grinding tire in a clamping groove of the airfoil, placing the clamping block of the airfoil on an extension block of the airfoil grinding tire, and accurately positioning the airfoil by the positioning block and the extension block on the airfoil grinding tire;
s3, rotating the rotary pressing block, pressing the rotary pressing block on the wing surface, and then rotating a pressing block screw through a spanner, so that the rotary pressing block is tightly pressed on the wing surface;
s4, starting a dust removal ventilator, starting a bench milling device, driving a spindle to drive a saw blade to rotate, then driving a third driving mechanism, driving a wing surface grinding tire and a wing surface to longitudinally push by a workbench under the action of the third driving mechanism, processing a clamping block on the wing surface by the saw blade on the spindle, cutting redundant epoxy phenolic glass fiber plastic, and guaranteeing the width of the wing surface clamping block at one timemm, spacing 22 between two clamping blocks of airfoil +0.14 mm in size.
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| CN201811530475.6A CN109579640B (en) | 2018-12-14 | 2018-12-14 | Airfoil processing device and processing method |
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| CN209655923U (en) * | 2018-12-14 | 2019-11-19 | 吉林江机特种工业有限公司 | The processing unit (plant) of aerofoil |
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| CN104191280A (en) * | 2014-09-03 | 2014-12-10 | 大连理工大学 | Special clamp for thin and long cylindrical thin wall assembly |
| CN104889775A (en) * | 2015-06-25 | 2015-09-09 | 温州大学 | Clamp for processing vertical positioning surface of tail wing of airplane |
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| CN109579640A (en) | 2019-04-05 |
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