CN112935740B - Machining process of special tool for forming inner cavity of aerospace engine - Google Patents

Machining process of special tool for forming inner cavity of aerospace engine Download PDF

Info

Publication number
CN112935740B
CN112935740B CN202110100450.8A CN202110100450A CN112935740B CN 112935740 B CN112935740 B CN 112935740B CN 202110100450 A CN202110100450 A CN 202110100450A CN 112935740 B CN112935740 B CN 112935740B
Authority
CN
China
Prior art keywords
cutter
plate
block
groove
push plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110100450.8A
Other languages
Chinese (zh)
Other versions
CN112935740A (en
Inventor
李战会
李柯贤
柳富聊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Aiside Aviation Technology Co ltd
Original Assignee
Ningbo Aiside Aviation Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Aiside Aviation Technology Co ltd filed Critical Ningbo Aiside Aviation Technology Co ltd
Priority to CN202110100450.8A priority Critical patent/CN112935740B/en
Publication of CN112935740A publication Critical patent/CN112935740A/en
Application granted granted Critical
Publication of CN112935740B publication Critical patent/CN112935740B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools

Abstract

The invention discloses a processing technology of a special cutter for molding an inner cavity of an aerospace engine, which comprises the following steps: a. drawing a design drawing; b. three-dimensional simulation: the advanced property of software is utilized to realize the high matching between the shape of the processing cutter and the size requirement of the shell forming; c. preparing materials: preparing materials required by cutter production; d. rough turning: performing rough turning treatment on the blank; e. roughly milling a welding edge position; f. finish milling center height: the extremely high accurate center height enables an accurate reference point to be formed in the machining process, and meanwhile, the cutter is used for cutting at the positive point, so that the stress is accurate, and the minimum abrasion of the cutter and the minimum deformation of a workpiece are extremely high guaranteed; g. fine milling a welding edge position: the welding parts are high and combined, and the overall effect is achieved; h. welding a blade; i. roughly grinding a front cutter face; j. linear cutting the shape of the integral blade part and the clearance surface; k. opening a rear cutter face; l, opening a side edge; m, finely grinding the R arc; n, fine grinding the front cutter face; o, integral projection detection: placing the cutter on a measurement projector for projection detection; and p, packaging the finished product.

Description

Machining process of special tool for forming inner cavity of aerospace engine
Technical Field
The invention belongs to the technical field of aerospace instrument processing, and particularly relates to a processing technology of a special tool for forming an inner cavity of an aerospace engine.
Background
The aircraft engine is a highly complex and precise thermal machine, is used as the heart of an aircraft, is not only the power of the aircraft flight, but also an important driving force for promoting the development of aviation industry, and each important change in human aviation history is inseparable from the technical progress of the aircraft engine.
The structure of the aircraft engine is more precise, so that the inner cavity of the aircraft engine is irregular, a special cutter is needed to process the inner cavity of the aircraft engine, and the special cutter needs to be produced independently; the special cutter belongs to a precise part, and the size of the special cutter needs to be strictly controlled, so that the size of the cutter needs to be strictly controlled after the special cutter is produced; generally, the mode of integral projection is adopted for detection in the prior art, but the operation steps of projection detection are more complicated, the operation difficulty is high, unsuitable cutter detection on a production line is realized, and the traditional detection projector is adopted to greatly reduce the cutter production efficiency.
Disclosure of Invention
The invention provides a processing technology of a special cutter for molding an inner cavity of an aerospace engine, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a processing technology of a special cutter for molding an inner cavity of an aerospace engine comprises the following steps:
a. drawing a design drawing: the engine shell belongs to a thin-wall key part, and the cutting machining tool mainly has enough rigidity and sharp cutting;
b. three-dimensional simulation: the advanced property of software is utilized to realize the high matching between the shape of the processing cutter and the size requirement of the shell forming;
c. preparing materials: preparation of the material required for the production of the tools
d. Rough turning: rough turning treatment is carried out on the blank
e. Rough milling welding edge position
f. Finish milling center height: the extremely high accurate center height enables an accurate reference point to be formed in the machining process, and meanwhile, the cutter is used for cutting at the positive point, so that the stress is accurate, and the minimum abrasion of the cutter and the minimum deformation of a workpiece are extremely high guaranteed;
g. fine milling a welding edge position: the welding parts are highly combined to achieve the overall effect;
h. welding edge
i. Rough grinding of rake face
j. Shape of integral blade and clearance for line cutting
k. Knife face after opening
l, opening the side edge
m, fine grinding R arc
n, fine grinding rake face
o, integral projection detection: placing the cutter on a measurement projector for projection detection;
p, packaging finished products; packaging the finished cutter and putting the packaged finished cutter into a warehouse;
the measuring projector in the step o comprises a workbench, a display arranged at the top of the workbench and a material loading block arranged on the workbench, wherein the top of the workbench is provided with an objective lens, the workbench is provided with a first supporting plate, the first supporting plate is provided with a second supporting plate, the material loading block is arranged at the top of the second supporting plate, the bottom of the material loading block is provided with a first sliding block, the second supporting plate is provided with a first sliding groove matched with the first sliding block, the bottom of the second supporting plate is provided with a second sliding block, the first supporting plate is provided with a second sliding groove matched with the second sliding block, the first sliding groove and the second sliding groove are both electric sliding rails, the material loading block is provided with a first baffle, and one side of the workbench is provided with a pushing assembly for pushing a cutter to move; the tool is placed on the pushing assembly firstly, the tool is pushed to move towards the material carrying block through the pushing assembly, the tool moves to one side of the first baffle, the tool stops moving after the tool abuts against the first baffle, the first sliding block and the second sliding block move in the first sliding groove and the second sliding groove respectively, the material carrying block moves along with the movement of the first sliding block and the second sliding block, a point to be measured of the tool moves to a designated position, and the size of the tool is detected.
The special cutter produced by the method can be manufactured according to the shape of the inner cavity of the aero-engine, so that the dimensional precision of the inner cavity of the aero-engine is ensured, and the quality of the finished aero-engine product is improved; after the cutter is produced, the cutter is conveyed to the material carrying block through the pushing assembly, the first baffle plate is utilized to position the cutter, so that the cutter is positioned at a specified position on the material carrying block, and the automatic feeding operation of the cutter is realized; under the arrangement of the first baffle, the cutter is automatically moved to a designated position under the action of the pushing assembly, the position of the cutter does not need to be manually adjusted, and each cutter is ensured to be positioned at the same position when moved to the material loading block so as to position the cutter; after the cutter is fixed on the material loading block, the first sliding block and the second sliding block are driven to move by the first sliding groove and the second sliding groove, the first sliding groove and the second sliding groove can directly drive the first sliding block and the second sliding block to move according to programming, so that the moving position of the cutter is controlled, the material loading block drives the cutter to accurately move to a position to be detected, the detection of the cutter is automatically carried out, and meanwhile, the precision of the detection of the cutter is ensured, so that a finished cutter meeting the size requirement is obtained, and the quality of a finished product of an aero-engine is ensured; through mutually supporting of propelling movement subassembly, first spout and second spout, need not manual operation and can accomplish the detection to the cutter automatically, make the detection of cutter go on fast, guarantee the detection precision to the cutter simultaneously, adapt to the streamlined production mode of cutter, very big promotion the production efficiency of cutter.
A first groove is formed in the material loading block, a third supporting plate is arranged on the inner wall of the first groove, a first air cylinder is arranged in the first groove, a first push plate is arranged on a piston rod of the first air cylinder, a first connecting rod is arranged on the first push plate, and a sucking disc is arranged at the top of the first connecting rod; a first movable groove is formed in the inner wall of the first groove, the first baffle is arranged in the first movable groove, and the first cylinder drives the first baffle to move downwards; the pushing assembly pushes the cutter to the material loading block, the cutter stops after abutting against the side wall of the first baffle, the first cylinder pushes the first push plate to move upwards, the first push plate drives the first connecting rod to move upwards, the sucking disc abuts against the bottom surface of the cutter, the sucking disc fixes the cutter after being adsorbed on the bottom surface of the cutter, the cutter moves upwards along with the first connecting rod, the distance between the objective lens and the cutter is shortened, and an image is projected onto a display by the objective lens; after the cutter measurement is completed, the first cylinder drives the first push plate to move downwards, the first push plate enters the first groove, the first cylinder drives the first baffle plate to move downwards when continuing to move downwards, the cutter after the measurement is completed slides down from the material carrying block, and the cutter after the measurement is collected.
A through cavity is formed in the first connecting rod, a first movable cavity is formed in the inner wall of the through cavity, a second push plate is arranged in the first movable cavity, a second connecting rod is arranged at the bottom of the second push plate and fixedly connected to the bottom of the first groove, and a first supporting spring is arranged at the bottom of the second push plate; a third sliding block is arranged on the side wall of the first baffle, a third sliding groove matched with the third sliding block is arranged on the inner wall of the first movable groove, and a second supporting spring is arranged at the bottom of the third sliding block; a third push plate is arranged on the first cylinder piston rod, the first push plate is arranged at the top of the third push plate, a fourth push plate is arranged on the side wall of the first baffle plate, and the fourth push plate is arranged at the bottom of the third push plate; when the first cylinder pushes the third push plate to move upwards, the first connecting rod moves upwards relative to the second push plate, and the first connecting rod extracts air flow at the top of the cavity in the upwards moving process; after the sucking disc abuts against the bottom of the cutter, the first connecting rod moves continuously relative to the second push plate, a vacuum state is formed in the sucking disc under the movement of the second push plate, a point fixing mode with the cutter is formed by utilizing the sucking disc, the cutter is pushed by the first connecting rod to be in a lifting state at the moment, and the size of the cutter is measured by irradiating the cutter by the objective lens; after the cutter measurement is finished, the first cylinder drives the third push plate to move downwards, the first push plate and the cutter move downwards together with the third push plate, after the third push plate moves to the top of the fourth push plate, the third push plate pushes the fourth push plate to move downwards, the fourth push plate drives the first baffle to move downwards, the first baffle descends into the first movable groove, and the cutter after detection slides down from the material carrying block; after the cutter falls off from the material loading block, the third push plate moves upwards, the second supporting spring pushes the third sliding block to move upwards, and the first baffle extends out of the first movable groove again.
A second movable groove is formed in the bottom of the first push plate, a first connecting spring is arranged at the top of the second movable groove, a fifth push plate is arranged at the bottom of the first connecting spring, a third movable groove is formed in the inner wall of one side of the first groove, a first transmission cavity is formed in the side wall of the third movable groove, and a fourth movable groove communicated with the first transmission cavity is formed in one side of the first transmission cavity; a third connecting rod is arranged on the fifth push plate, the third connecting rod penetrates through the third movable groove, a first transmission rod is arranged on the third connecting rod, a first transmission wheel matched with the first transmission rod is arranged in the first transmission cavity, a second transmission rod matched with the first transmission wheel is arranged in the fourth movable groove, a fourth connecting rod is arranged on the second transmission rod, and a bottom plate is arranged on the fourth connecting rod; a fifth movable groove is formed in the inner wall of the other side of the first groove, a second movable cavity is formed in one side of the fifth movable groove, a second transmission cavity is formed in one side of the second movable cavity, a sixth movable groove is formed in the side wall of the second transmission cavity, a fifth connecting rod is arranged on the fifth push plate and penetrates through the fifth movable groove, a sixth connecting rod is arranged at one end of the fifth connecting rod and penetrates through the second movable cavity, a third transmission rod is arranged on the sixth connecting rod, a second transmission wheel is arranged in the second transmission cavity, a fourth transmission rod matched with the second transmission wheel is arranged in the sixth movable groove, a seventh connecting rod is arranged on the fourth transmission rod, and the seventh connecting rod is arranged at the bottom of the bottom plate; the bottom plate is arranged above the first baffle plate; when the first cylinder pushes the third push plate to move upwards, the third push plate pushes the fifth push plate and the first push plate to move upwards together, the fifth push plate drives the first transmission rod and the third transmission rod to move upwards when moving, the first transmission rod and the third transmission rod drive the first transmission wheel and the second transmission wheel to rotate when moving, the first transmission wheel and the second transmission wheel of the second transmission rod and the fourth transmission rod move when rotating, the bottom plate moves towards the direction of the cutter, when the cutter is lifted to the highest point, the bottom plate moves to the bottom of the cutter to form a complete plane at the bottom of the cutter, the objective lens is projected on the cutter, and the size of the cutter is measured.
A seventh movable groove is formed in the third supporting plate, a first rotating roller and a second rotating roller are arranged in the seventh movable groove, and the first rotating roller and the second rotating roller are in transmission fit through a third rotating roller; an eighth movable groove is formed in the side wall of the seventh movable groove, a fourth rotating roller and a fifth rotating roller are arranged in the eighth movable groove, a synchronous belt is wound on the fourth rotating roller and the fifth rotating roller, and the fifth rotating roller is in transmission fit with the first rotating roller; a driving roller is arranged on the fourth rotating roller, the driving roller penetrates through the first movable groove, and a meshed tooth matched with the driving roller is arranged on the side wall of the top of the first baffle plate; the cutter detects the completion back, first cylinder drive third push pedal down motion, the third push pedal promotes the fourth push pedal down motion, first baffle down motion along with the fourth push pedal, rodent and driving roller contact when first baffle down motion, first baffle removes and drives the driving roller and rotate, drive first commentaries on classics roller and second commentaries on classics roller rotation when the driving roller rotates, the cutter is in on first commentaries on classics roller and the second commentaries on classics roller this moment, first commentaries on classics roller and second commentaries on classics roller drive cutter is toward carrying material piece one side to be removed, the cutter landing from carrying the material piece, do the collection to the cutter after detecting.
A first guide groove is formed in the material loading block, a guide block is arranged on one side of the material loading block, and a chute matched with the first guide groove is formed in the guide block; a first through groove is formed in the guide block, a third movable cavity is formed in the inner wall of the first through groove, a second baffle is arranged in the third movable cavity, a second guide groove is formed in the top of the third movable cavity, and a third guide groove matched with the second baffle is formed in the bottom end of the chute; a ninth movable groove is formed in the material carrying block, a first connecting block is arranged in the ninth movable groove, a limiting block is arranged on the first connecting block, a connecting groove matched with the limiting block is formed in the side wall of the guide block, a fixed spring is arranged on the first connecting block, an eighth connecting rod is arranged on the first connecting block, the eighth connecting rod penetrates out of the ninth movable groove, and a first limiting plate is arranged on the eighth connecting rod; after the detection of the cutter is finished, the first air cylinder drives the third push plate to move downwards, the third push plate drives the first baffle plate to move downwards, the first baffle plate drives the first rotating roller and the second rotating roller to rotate when moving, the first rotating roller and the second rotating roller drive the cutter to move towards the direction of the first guide groove, after the cutter moves above the first guide groove, the cutter slides downwards along the first guide groove to the guide block, when the detection of the size of the cutter is qualified, the second baffle plate closes the first guide groove, and the cutter directly slides from the guide block; when the dimension of the cutter is unqualified, the second baffle enters the third movable cavity to open the first through groove, and the cutter directly falls from the first through groove; when changing the guide block, toward the first limiting plate of outer pulling, first limiting plate drives first connecting block and removes, and the stopper is deviate from the spread groove in, and the guide block is thrown off with year material piece and is connected, directly takes out the guide block from year material piece one side and does the maintenance to the guide block.
A tenth movable groove is formed in the workbench, an installation block is arranged in the tenth movable groove, a roller is arranged at the bottom of the installation block, a first installation groove is formed in the installation block, a hydraulic cylinder is arranged in the first installation groove, a piston rod of the hydraulic cylinder is provided with a ninth connecting rod, a first installation plate is arranged on the ninth connecting rod, the pushing assembly comprises a second cylinder arranged on the first installation plate, a sixth push plate arranged on a piston rod of the second cylinder and a fourth support plate arranged at the bottom of the sixth push plate, a fourth sliding block is arranged on the fourth support plate, a fourth sliding groove matched with the fourth sliding block is formed in the bottom of the sixth push plate, and a third support spring is arranged on the fourth sliding block; when the pushing assembly is used, the mounting block is pulled out of the tenth movable groove, the hydraulic cylinder pushes the first mounting plate to move upwards, the first mounting plate rises to a preset height, the cutter is sent to the fourth supporting plate, the second cylinder pushes the sixth pushing plate to move forwards, the cutter moves along with the sixth pushing plate, the fourth supporting plate abuts against the side wall of the material loading block, the sixth pushing plate pushes the cutter to continue to move forwards, the cutter is pushed to the material loading block by the sixth pushing plate, the fourth supporting plate moves towards the direction of the sixth pushing plate after abutting against the material loading block, the sixth pushing plate pushes the cutter to the side of the first baffle plate, the second cylinder drives the sixth pushing plate to move backwards, and resetting of the sixth pushing plate is completed.
A second connecting block is arranged in the fourth sliding groove, an eleventh movable groove is arranged on the second connecting block, a movable block is arranged in the eleventh movable groove, a second mounting groove is formed in the movable block, a third connecting block is arranged in the second mounting groove, a scraper matched with the fourth supporting plate is arranged on the third connecting block, a fifth sliding block is arranged on the movable block, a fifth sliding groove matched with the fifth sliding block is arranged on the inner wall of the eleventh movable groove, a reset spring is arranged on the fifth sliding block, a twelfth movable groove communicated with the tenth movable groove is arranged on one side of the eleventh movable groove, a third driving wheel and a fourth driving wheel matched with the third driving wheel are arranged in the twelfth movable groove, a fifth driving wheel is arranged on the fourth driving wheel, a plurality of seventh push plates are arranged on the fifth driving wheel, and a driving plate is arranged in the eleventh movable groove, the middle part of the transmission plate is rotatably connected to the inner wall of the eleventh movable groove, a connecting rope is arranged on the transmission plate, and one end of the connecting rope is fixedly connected to the second connecting block; the cutter moves from one side of the fourth supporting plate to the fourth supporting plate, the bottom surface of the cutter is in contact with the side wall of the fourth supporting plate when the cutter moves to the fourth supporting plate, dust at the bottom of the cutter is scraped by the fourth supporting plate, the sixth push plate is pushed by the second cylinder to move, and the cutter is pushed to the material loading block by the sixth push plate; when the fourth supporting plate is abutted against the side wall of the loading block, the fourth supporting plate moves towards the fourth sliding chute, the fourth supporting plate moves relative to the scraper, and the scraper scrapes off dust on the fourth supporting plate; when the sixth push pedal of second cylinder drive moves back, third supporting spring promotes the fourth backup pad and moves back, the fourth backup pad drives the third drive wheel and rotates, the third drive wheel drives the fourth drive wheel and rotates, the driving plate is promoted to rotate down at the seventh push pedal, connect rope pulling movable block and remove toward the eleventh movable groove, the seventh push pedal rotates along with the fourth drive wheel and takes off the contact back with the driving plate, reset spring promotes the backward movement of fifth slider, the striking of fifth slider is on fifth spout inner wall, the dust on the scraper blade shakes from the scraper blade and falls, accomplish the clearance of scraper blade.
A material carrying plate is arranged on one side of the workbench, a third baffle plate is arranged on the side wall of the material carrying plate, a third connecting block is arranged at the top of the third baffle plate, a second through groove matched with the cutter is formed in the material carrying plate, a third mounting groove is formed in the third connecting block, a second mounting plate is arranged in the third mounting groove, a fourth mounting groove is formed in the second mounting plate, a connecting plate is arranged in the fourth mounting groove, and a plurality of bristles are arranged at the bottom of the connecting plate; a third through groove is formed in the connecting plate, a sealing block is rotatably connected to the inner wall of the third through groove, and a plurality of through holes are formed in the connecting plate; a second connecting spring is arranged at the top of the second mounting plate, a first push block matched with the third through groove is arranged at the top of the third mounting groove, and an air pump is arranged on the third connecting block; the cutter moves onto the material carrying plate and then moves onto the fourth supporting plate, when the cutter moves on the material carrying plate, the cutter passes through the bottom of the bristles, the top surface of the cutter is in contact with the bristles, the bristles scrape off dust on the top surface of the cutter, the air pump is in an air exhaust state, upward moving air flow is generated in the third mounting groove, the second mounting plate moves upward along with the air flow, the second mounting plate drives the connecting plate to move upward, the connecting plate moves upward to the bottom of the first pushing block, the first pushing block is inserted into the third through groove to push the sealing block to turn over downward, the third through groove is opened after the sealing block is turned over, the second connecting spring pushes the second mounting plate to move downward, and when the second mounting plate moves downward, the dust on the bristles is shaken off, and the bristles are cleaned; part of dust on the bristles is sucked from the through holes and is matched with the shaking of the connecting plate to clean the bristles.
A thirteenth movable groove is formed in the material carrying plate, a second push block is arranged in the thirteenth movable groove, and the thirteenth movable groove is an electric guide rail; a supporting block is arranged below the material carrying plate, a supporting rod is arranged at the bottom of the supporting block, a cavity is arranged on the supporting block, an eighth push plate is arranged in the cavity, a tenth connecting rod is arranged on the eighth push plate, a fifth supporting plate is arranged at the top of the tenth connecting rod, the tenth connecting rod penetrates out of the cavity, and the material carrying plate is arranged at the top of the fifth supporting plate; an air inlet and an air outlet are formed in the side wall of the cavity, a fourth movable cavity is formed in the inner wall of the air outlet, a first sealing plate is arranged in the fourth movable cavity, a first sealing spring is arranged on the first sealing plate, a fourteenth movable groove is formed in the side wall of the fourth movable cavity, an eleventh connecting rod matched with the fourteenth movable groove is arranged on the first sealing plate, the eleventh connecting rod is of an L-shaped structure, and one end of the eleventh connecting rod is located on one side of a thirteenth movable groove; a fifth movable cavity is formed in the inner wall of the air inlet hole, a second sealing spring is arranged in the fifth movable cavity, a second sealing plate is arranged at one end of the second sealing spring, air is filled in the fifth movable cavity, and the side wall of the fifth movable cavity is made of an elastic material; the air pump is communicated with the air inlet through an air delivery pipe; after the cutter moves to the material carrying plate, the second pushing block moves in the thirteenth movable groove, the second pushing block pushes one end of the cutter to move, the second pushing block pushes the cutter to the fourth supporting plate, the second pushing block moves to one side of the eleventh connecting rod, the second pushing block pushes the eleventh connecting rod to move, the eleventh connecting rod drives the first sealing plate to move, the first sealing plate enters the fourth movable cavity to open the air outlet hole, airflow in the cavity is exhausted from the air outlet hole, the eighth pushing plate descends after losing the supporting force, the cutter is separated from the second through groove, the sixth pushing plate pushes the cutter to move, the second pushing block moves back, and the first sealing spring pushes the first sealing plate to move to close the air outlet hole; when the sixth push plate is reset, the air pump conveys air into the air conveying pipe, the air enters the cavity through the air conveying pipe, the eighth push plate is pushed to move upwards after the air pressure in the cavity is increased, and the material carrying plate moves upwards along with the eighth push plate; after the eighth push plate rises to the top of the cavity, air continuously enters the cavity to increase air pressure in the cavity, the side wall of the fifth movable cavity is extruded after the air pressure in the cavity is increased, the air in the inner wall is extruded in the fifth movable cavity, the air pushes the second sealing plate to move to the position of the air inlet hole to seal the air inlet hole, and resetting of the material carrying plate is completed.
The invention has the following advantages: the special cutter produced by the method can be manufactured according to the shape of the inner cavity of the aero-engine, so that the dimensional precision of the inner cavity of the aero-engine is ensured, and the quality of the finished aero-engine product is improved; through mutually supporting of propelling movement subassembly, first spout and second spout, need not manual operation and can accomplish the detection to the cutter automatically, make the detection of cutter go on fast, guarantee the detection precision to the cutter simultaneously, adapt to the streamlined production mode of cutter, very big promotion the production efficiency of cutter.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view taken along a-a in fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of fig. 3 at B.
Fig. 6 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 7 is an enlarged view of fig. 6 at C.
Fig. 8 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 9 is an enlarged view of fig. 8 at D.
Fig. 10 is a cross-sectional view taken along line D-D in fig. 2.
Fig. 11 is an enlarged view of fig. 10 at E.
Fig. 12 is a cross-sectional view taken along line E-E of fig. 2.
Fig. 13 is an enlarged view of fig. 12 at F.
Fig. 14 is a cross-sectional view taken along F-F in fig. 2.
Fig. 15 is an enlarged view at G in fig. 14.
Fig. 16 is a right side view of the present invention.
Fig. 17 is a cross-sectional view taken along G-G in fig. 16.
Fig. 18 is an enlarged view at H in fig. 17.
Fig. 19 is a sectional view taken along H-H in fig. 16.
Fig. 20 is an enlarged view at I in fig. 19.
Fig. 21 is a cross-sectional view taken along line I-I of fig. 16.
Fig. 22 is an enlarged view at J in fig. 21.
Fig. 23 is a cross-sectional view taken along J-J in fig. 16.
Fig. 24 is an enlarged view at K in fig. 23.
Fig. 25 is an enlarged view at L in fig. 23.
FIG. 26 is a schematic structural diagram of a special tool for molding an inner cavity of an aerospace engine according to the invention.
Detailed Description
As shown in fig. 1 to 26, a process for machining a special tool for molding an inner cavity of an aerospace engine comprises the following steps: a. drawing a design drawing: the engine shell belongs to a thin-wall key part, and the cutting machining tool mainly has enough rigidity and sharp cutting; b. three-dimensional simulation: the advanced property of software is utilized to realize the high matching between the shape of the processing cutter and the size requirement of the shell forming; c. preparing materials: preparing materials required by cutter production; d. rough turning: performing rough turning treatment on the blank; e. roughly milling a welding edge position; f. finish milling center height: the extremely high accurate center height enables an accurate reference point to be formed in the machining process, and meanwhile, the cutter is used for cutting at the positive point, so that the stress is accurate, and the minimum abrasion of the cutter and the minimum deformation of a workpiece are extremely high guaranteed; g. fine milling a welding edge position: the welding parts are highly combined to achieve the overall effect; h. welding a blade; i. roughly grinding a front cutter face; j. linear cutting the shape of the integral blade part and the clearance surface; k. opening a rear cutter face; l, opening a side edge; m, finely grinding the R arc; n, fine grinding the front cutter face; o, integral projection detection: placing the cutter on a measurement projector for projection detection; p, packaging finished products; packaging the finished cutter and putting the packaged finished cutter into a warehouse;
wherein the measuring projector in the step o comprises a workbench 1, a display 2 arranged at the top of the workbench 1 and a loading block 3 arranged on the workbench 1, the top of the workbench 1 is provided with an objective lens 13, the workbench 1 is provided with a first supporting plate 11, a second supporting plate 12 is arranged on the first supporting plate 11, the material loading block 3 is arranged at the top of the second supporting plate 12, a first sliding block is arranged at the bottom of the material loading block 3, a first sliding groove matched with the first sliding block is arranged on the second supporting plate 12, a second sliding block is arranged at the bottom of the second supporting plate 12, a second sliding groove matched with the second sliding block is arranged on the first supporting plate 11, the first sliding groove and the second sliding groove are both electric sliding rails, a first baffle 32 is arranged on the loading block 3, and a pushing assembly for pushing a cutter to move is arranged on one side of the workbench 1; the cutter is placed on the pushing assembly firstly, the tool is pushed to move towards the direction of the material carrying block 3 through the pushing assembly, the cutter moves to one side of the first baffle 32, the cutter stops moving after the cutter abuts against the first baffle 32, the first sliding block and the second sliding block move in the first sliding groove and the second sliding groove respectively, the material carrying block 3 moves along with the movement of the first sliding block and the second sliding block, a point to be measured of the cutter moves to a designated position, and the size of the cutter is detected.
The special cutter produced by the method can be manufactured according to the shape of the inner cavity of the aero-engine, so that the dimensional precision of the inner cavity of the aero-engine is ensured, and the quality of the finished aero-engine product is improved; after the cutter is produced, the cutter is conveyed to the material carrying block through the pushing assembly, the first baffle plate is utilized to position the cutter, so that the cutter is positioned at a specified position on the material carrying block, and the automatic feeding operation of the cutter is realized; under the arrangement of the first baffle, the cutter is automatically moved to a designated position under the action of the pushing assembly, the position of the cutter does not need to be manually adjusted, and each cutter is ensured to be positioned at the same position when moved to the material loading block so as to position the cutter; after the cutter is fixed on the material loading block, the first sliding block and the second sliding block are driven to move by the first sliding groove and the second sliding groove, the first sliding groove and the second sliding groove can directly drive the first sliding block and the second sliding block to move according to programming, so that the moving position of the cutter is controlled, the material loading block drives the cutter to accurately move to a position to be detected, the detection of the cutter is automatically carried out, and meanwhile, the precision of the detection of the cutter is ensured, so that a finished cutter meeting the size requirement is obtained, and the quality of a finished product of an aero-engine is ensured; through mutually supporting of propelling movement subassembly, first spout and second spout, need not manual operation and can accomplish the detection to the cutter automatically, make the detection of cutter go on fast, guarantee the detection precision to the cutter simultaneously, adapt to the streamlined production mode of cutter, very big promotion the production efficiency of cutter.
The material loading block is provided with a daily groove, the second groove is used for placing the cutter handle part, when the cutter is placed on the material loading block, the cutter body is placed on the material loading block, and the cutter handle is located in the second groove, so that the whole cutter is flatly placed on the material loading block, the projection effect on the cutter is guaranteed, and the measurement precision on the cutter is guaranteed.
The second supporting plate is rotatably connected to the first sliding block, and the material loading block can be driven to rotate by rotating the second supporting plate, so that the other side of the material loading block is operated.
A first groove is formed in the material loading block 3, a third supporting plate 35 is arranged on the inner wall of the first groove, a first air cylinder 33 is arranged in the first groove, a piston rod of the first air cylinder 33 is provided with a first push plate 31, the first push plate 31 is provided with a first connecting rod 313, and the top of the first connecting rod 313 is provided with a sucking disc 314; a first movable groove is formed in the inner wall of the first groove, the first baffle 32 is arranged in the first movable groove, and the first air cylinder 33 drives the first baffle 32 to move downwards; the pushing assembly pushes a cutter to the material carrying block 3, the cutter stops after abutting against the side wall of the first baffle 32, the first air cylinder 33 pushes the first push plate 31 to move upwards, the first push plate 31 drives the first connecting rod 313 to move upwards, the sucking disc 314 abuts against the bottom surface of the cutter, the sucking disc 314 fixes the cutter after adsorbing the bottom surface of the cutter, the cutter moves upwards along with the first connecting rod 313 together, the distance between the objective lens 13 and the cutter is shortened, and an image is projected onto the display 2 by using the objective lens 13; after the cutter measurement is finished, the first air cylinder 33 drives the first push plate 31 to move downwards, the first push plate 31 enters the first groove, the first air cylinder 33 drives the first baffle 32 to move downwards when continuing to move downwards, the cutter after the measurement is finished slides down from the material loading block 3, and the detected cutter is collected; the two groups of first connecting rods are provided, the two groups of corresponding suckers are provided, and the two groups of suckers are respectively positioned at the position close to the front end and the position close to the rear end of the cutter body, so that the cutter is more stably placed on the material loading block by fixing the cutter at two points, the influence of dust attached to the bottom of the cutter on the flatness of the cutter is avoided, and the detection precision of the cutter is ensured; the cutter is fixed in a sucking disc mode, the cutter is prevented from moving on the material carrying block when the material carrying block moves, the cutter is always located at a specified position on the material carrying block, the cutter can be driven to move to the specified position by moving the material carrying block every time, and the measurement precision of the cutter is further improved.
A through cavity is arranged on the first connecting rod 313, a first movable cavity is arranged on the inner wall of the through cavity, a second push plate 315 is arranged in the first movable cavity, a second connecting rod 3151 is arranged at the bottom of the second push plate 315, the second connecting rod 3151 is fixedly connected to the bottom of the first groove, and a first supporting spring 3152 is arranged at the bottom of the second push plate 315; a third sliding block is arranged on the side wall of the first baffle 32, a third sliding groove matched with the third sliding block is arranged on the inner wall of the first movable groove, and a second supporting spring is arranged at the bottom of the third sliding block; a third push plate 331 is arranged on a piston rod of the first air cylinder 33, the first push plate 31 is arranged at the top of the third push plate 331, a fourth push plate 321 is arranged on the side wall of the first baffle 32, and the fourth push plate 321 is arranged at the bottom of the third push plate 331; when the first cylinder 33 pushes the third push plate 331 to move upwards, the first connecting rod 313 moves upwards relative to the second push plate 315, and the first connecting rod 313 extracts air flow at the top of the cavity in the process of moving upwards; after the suction cup 314 abuts against the bottom of the cutter, the first connecting rod 313 continuously moves relative to the second push plate 315, a vacuum state is formed in the suction cup 314 under the movement of the second push plate 315, a point fixing mode with the cutter is formed by the suction cup 314, the cutter is pushed by the first connecting rod 313 to be in a lifting state at the moment, and the size of the cutter is measured by irradiating the cutter by the objective lens 13; after the tool measurement is completed, the first air cylinder 33 drives the third push plate 331 to move downwards, the first push plate 31 and the tool move downwards together with the third push plate 331, after the third push plate 331 moves to the top of the fourth push plate 321, the third push plate 331 pushes the fourth push plate 321 to move downwards, the fourth push plate 321 drives the first baffle 32 to move downwards, the first baffle 32 descends into the first movable groove, and the tool after the detection is completed slides down from the material loading block 3; after the cutter falls off from the material loading block 3, the third push plate 331 moves upwards, the second support spring pushes the third slide block to move upwards, and the first baffle 32 extends out of the first movable groove again.
A second movable groove is formed in the bottom of the first push plate 31, a first connecting spring is arranged at the top of the second movable groove, a fifth push plate 311 is arranged at the bottom of the first connecting spring, a third movable groove is formed in the inner wall of one side of the first groove, a first transmission cavity is formed in the side wall of the third movable groove, and a fourth movable groove communicated with the first transmission cavity is formed in one side of the first transmission cavity; a third connecting rod is arranged on the fifth push plate 311, the third connecting rod penetrates through the third movable groove, a first transmission rod is arranged on the third connecting rod, a first transmission wheel 36 matched with the first transmission rod is arranged in the first transmission cavity, a second transmission rod 341 matched with the first transmission wheel 36 is arranged in the fourth movable groove, a fourth connecting rod is arranged on the second transmission rod 341, and a bottom plate 34 is arranged on the fourth connecting rod; a fifth movable groove is formed in the inner wall of the other side of the first groove, a second movable cavity 38 is formed in one side of the fifth movable groove, a second transmission cavity is formed in one side of the second movable cavity 38, a sixth movable groove is formed in the side wall of the second transmission cavity, a fifth connecting rod is arranged on the fifth push plate 311, the fifth connecting rod penetrates through the fifth movable groove, a sixth connecting rod is arranged at one end of the fifth connecting rod and penetrates through the second movable cavity 38, a third transmission rod is arranged on the sixth connecting rod, a second transmission wheel is arranged in the second transmission cavity, a fourth transmission rod matched with the second transmission wheel is arranged in the sixth movable groove, a seventh connecting rod is arranged on the fourth transmission rod, and the seventh connecting rod is arranged at the bottom of the bottom plate 34; the bottom plate 34 is arranged above the first baffle plate 32; when the first air cylinder 33 pushes the third push plate 331 to move upwards, the third push plate 331 pushes the fifth push plate 311 and the first push plate 31 to move upwards together, the fifth push plate 311 drives the first transmission rod and the third transmission rod to move upwards when moving, the first transmission rod and the third transmission rod drive the first transmission wheel 36 and the second transmission wheel to rotate when moving, the second transmission rod 341 and the first transmission wheel 36 and the second transmission wheel of the fourth transmission rod move when rotating, the bottom plate 34 moves towards the direction of the cutter, when the cutter is lifted to the highest point, the bottom plate 34 moves to the bottom of the cutter to form a complete plane at the bottom of the cutter, the objective lens 13 is projected on the cutter, and the size of the cutter is measured; the bottom plate is two sets of, and bottom plate automatically move to the cutter bottom after the cutter rises, and two sets of bottom plates contactless, cutter are in two sets of bottom gaps department, utilize the bottom plate to shelter from first baffle and first recess, only the cutter image that awaits measuring on making the display, interference factor when reducing the cutter and examining guarantees the detection effect to the cutter.
A seventh movable groove is formed in the third support plate 35, a first rotating roller 354 and a second rotating roller 355 are arranged in the seventh movable groove, and the first rotating roller 354 and the second rotating roller 355 are in transmission fit through a third rotating roller 356; an eighth movable groove is formed in the side wall of the seventh movable groove, a fourth rotating roller 351 and a fifth rotating roller 352 are arranged in the eighth movable groove, a synchronous belt 353 is wound on the fourth rotating roller 351 and the fifth rotating roller 352, and the fifth rotating roller 352 is in transmission fit with the first rotating roller 354; a driving roller is arranged on the fourth rotating roller 351, the driving roller is arranged in the first movable groove in a penetrating mode, and a meshed tooth matched with the driving roller is arranged on the side wall of the top of the first baffle plate 32; after the detection of the cutter is completed, the first cylinder 33 drives the third push plate 331 to move downwards, the third push plate 331 pushes the fourth push plate 321 to move downwards, the first baffle plate 32 moves downwards along with the fourth push plate 321, the tooth part contacts with the driving roller when the first baffle plate 32 moves downwards, the driving roller is driven to rotate by the movement of the first baffle plate 32, the first rotating roller 354 and the second rotating roller 355 are driven to rotate by the rotation of the driving roller, the cutter is positioned on the first rotating roller 354 and the second rotating roller 355 at the moment, the first rotating roller 354 and the second rotating roller 355 drive the cutter to move towards one side of the material loading block 3, the cutter slides down from the material loading block 3, and the detected cutter is collected; the cutter detection is completed, the first cylinder drives the third push plate to descend to drive the first baffle plate to descend, so that the first rotating roller and the second rotating roller automatically rotate, the cutter descends to the top positions of the first rotating roller and the second rotating roller and then directly moves towards one side of the material loading block under the action of the first rotating roller and the second rotating roller, the detected cutter automatically drops from the material loading block, so that the cutter is automatically collected, the pushing assembly continues to push a new cutter to be detected to the material loading block, the assembly line type detection of the cutter is completed, and the cutter detection efficiency is improved.
A first guide groove is formed in the material loading block 3, a guide block 4 is arranged on one side of the material loading block 3, and a chute matched with the first guide groove is formed in the guide block 4; a first through groove is formed in the guide block 4, a third movable cavity is formed in the inner wall of the first through groove, a second baffle plate 41 is arranged in the third movable cavity, a second guide groove is formed in the top of the third movable cavity, and a third guide groove matched with the second baffle plate 41 is formed in the bottom end of the chute; a ninth movable groove is formed in the loading block 3, a first connecting block 37 is arranged in the ninth movable groove, a limiting block 371 is arranged on the first connecting block 37, a connecting groove matched with the limiting block 371 is formed in the side wall of the guide block 4, a fixing spring 374 is arranged on the first connecting block 37, an eighth connecting rod 372 is arranged on the first connecting block 37, the eighth connecting rod 372 penetrates out of the ninth movable groove, and a first limiting plate 373 is arranged on the eighth connecting rod 372; after the detection of the cutter is completed, the first air cylinder 33 drives the third push plate 331 to move downwards, the third push plate 331 drives the first baffle 32 to move downwards, the first baffle 32 drives the first rotating roller 354 and the second rotating roller 355 to rotate when moving, the first rotating roller 354 and the second rotating roller 355 drive the cutter to move towards the first guide groove, after the cutter moves above the first guide groove, the cutter slides downwards along the first guide groove onto the guide block 4, when the size of the cutter is qualified, the second baffle 41 closes the first through groove, and the cutter directly slides from the guide block 4; when the dimension of the cutter is unqualified, the second baffle 41 enters the third movable cavity to open the first through groove, and the cutter directly falls from the first through groove; when the guide block 4 is replaced, the first limiting plate 373 is pulled outwards, the first limiting plate 373 drives the first connecting block 37 to move, the limiting block 371 is separated from the connecting groove, the guide block 4 is separated from the material loading block 3, and the guide block 4 is directly taken out from one side of the material loading block 3 to maintain the guide block 4; under the arrangement of the first guide groove, the cutter can automatically slide off the material carrying block under the pushing of the first rotating roller and the second rotating roller, so that the automatic material taking of the cutter is completed; the second guide slot and the third guide slot are provided with the second baffle which enables the inclined plane to be better attached, a continuous surface is formed on the inclined plane, and the phenomenon that a protrusion on the inclined plane blocks the movement of a cutter on the inclined plane is avoided.
A tenth movable groove is formed in the workbench 1, an installation block 5 is arranged in the tenth movable groove, a roller 58 is arranged at the bottom of the installation block 5, a first installation groove is formed in the installation block 5, a hydraulic cylinder 51 is arranged in the first installation groove, a piston rod of the hydraulic cylinder 51 is provided with a ninth connecting rod 52, a first installation plate 53 is arranged on the ninth connecting rod 52, the pushing assembly comprises a second cylinder 54 arranged on the first installation plate 53, a sixth push plate 55 arranged on a piston rod of the second cylinder 54 and a fourth supporting plate 56 arranged at the bottom of the sixth push plate 55, a fourth sliding block is arranged on the fourth supporting plate 56, a fourth sliding groove matched with the fourth sliding block is formed in the bottom of the sixth push plate 55, and a third supporting spring is arranged on the fourth sliding block; when the pushing assembly is used, the mounting block 5 is pulled out of the tenth movable groove, the hydraulic cylinder 51 pushes the first mounting plate 53 to move upwards, the first mounting plate 53 rises to a preset height, the cutter is sent to the fourth supporting plate 56, the second cylinder 54 pushes the sixth pushing plate 55 to move forwards, the cutter moves together with the sixth pushing plate 55, the fourth supporting plate 56 abuts against the side wall of the material carrying block 3, the sixth pushing plate 55 pushes the cutter to move forwards continuously, the cutter is pushed onto the material carrying block 3 by the sixth pushing plate 55, the fourth supporting plate 56 abuts against the material carrying block 3 and then moves towards the sixth pushing plate 55, the sixth pushing plate 55 pushes the cutter to one side of the first baffle 32, and the second cylinder 54 drives the sixth pushing plate 55 to move backwards to complete resetting of the sixth pushing plate 55; the installation block can move more conveniently through the arrangement of the roller, and the pushing assembly can be placed into the tenth movable groove or pulled out of the tenth movable groove as required; the hydraulic cylinder controls the longitudinal position of the first mounting plate so as to conveniently retract the mounting block into the tenth movable groove.
A second connecting block 552 is arranged in the fourth sliding groove, an eleventh movable groove is arranged on the second connecting block 552, a movable block 553 is arranged in the eleventh movable groove, a second mounting groove is arranged on the movable block 553, a third connecting block 557 is arranged in the second mounting groove, a scraper 5571 matched with the fourth supporting plate 56 is arranged on the third connecting block 557, a fifth slider 5531 is arranged on the movable block 553, a fifth sliding groove matched with the fifth slider 5531 is arranged on the inner wall of the eleventh movable groove, a return spring 5532 is arranged on the fifth slider 5531, a twelfth movable groove communicated with the tenth movable groove is arranged on one side of the eleventh movable groove, a third driving wheel 555 and a fourth driving wheel matched with the third driving wheel 555 are arranged in the twelfth movable groove, a fifth driving wheel 556 is arranged on the fourth driving wheel, and a plurality of seventh push plates 5561 are arranged on the fifth driving wheel 556, a transmission plate 554 is arranged in the eleventh movable groove, the middle part of the transmission plate 554 is rotatably connected to the inner wall of the eleventh movable groove, a connection rope 5541 is arranged on the transmission plate 554, and one end of the connection rope 5541 is fixedly connected to the second connection block 552; the cutter moves from one side of the fourth supporting plate 56 to the fourth supporting plate 56, the bottom surface of the cutter contacts with the side wall of the fourth supporting plate 56 when the cutter moves to the fourth supporting plate 56, the fourth supporting plate 56 scrapes off dust at the bottom of the cutter, the second air cylinder 54 pushes the sixth push plate 55 to move, and the sixth push plate 55 pushes the cutter to the material loading block 3; when the fourth supporting plate 56 abuts against the side wall of the material loading block 3, the fourth supporting plate 56 moves into the fourth sliding chute, the fourth supporting plate 56 moves relative to the scraper 5571, and the scraper 5571 scrapes off dust on the fourth supporting plate 56; when the second cylinder 54 drives the sixth push plate 55 to move back, the third support spring pushes the fourth support plate 56 to move back, the fourth support plate 56 drives the third driving wheel 555 to rotate, the third driving wheel 555 drives the fourth driving wheel to rotate, the driving plate 554 is pushed by the seventh push plate 5561 to rotate, the connecting rope 5541 pulls the movable block 553 to move into the eleventh movable groove, after the seventh push plate 5561 rotates along with the fourth driving wheel and is separated from the driving plate 554, the return spring 5532 pushes the fifth slider 5531 to move back, the fifth slider 5531 impacts on the inner wall of the fifth movable groove, dust on the scraper 5571 shakes off from the scraper 5571, and the cleaning of the scraper 5571 is completed; the bottom surface of the cutter is cleaned by the movement of the cutter moving to the fourth supporting plate, so that the phenomenon that dust exists on the bottom surface of the cutter to influence the fixing effect of the sucker on the cutter is avoided, and the cutter is stably fixed on the material loading block.
A material carrying plate 6 is arranged on one side of the workbench 1, a third baffle plate 61 is arranged on the side wall of the material carrying plate 6, a fourth connecting block 62 is arranged at the top of the third baffle plate 61, a second through groove matched with the cutter is arranged on the material carrying plate 6, a third mounting groove is arranged on the fourth connecting block 62, a second mounting plate 63 is arranged in the third mounting groove, a fourth mounting groove is arranged on the second mounting plate 63, a connecting plate 64 is arranged in the fourth mounting groove, and a plurality of brush bristles 642 are arranged at the bottom of the connecting plate 64; a third through groove is formed in the connecting plate 64, a sealing block 641 is rotatably connected to the inner wall of the third through groove, and a plurality of through holes 644 are formed in the connecting plate 64; a second connecting spring 631 is arranged at the top of the second mounting plate 63, a first push block 621 matched with the third through groove is arranged at the top of the third mounting groove, and an air pump 65 is arranged on the fourth connecting block 62; the cutter moves to the material carrying plate 6 and then moves to the fourth supporting plate 56, when the cutter moves on the material carrying plate 6, the cutter passes through the bottom of the bristles 642, the top surface of the cutter is in contact with the bristles 642, the bristles 642 scrape off dust on the top surface of the cutter, the air pump 65 is in an air suction state, upward moving air flow is generated in the third mounting groove, the second mounting plate 63 moves upward along with the air flow, the second mounting plate 63 drives the connecting plate 64 to move upward, the connecting plate 64 moves upward to the bottom of the first push block 621, the first push block 621 is inserted into the third through groove to push the sealing block 641 to turn over downward, the third through groove is opened after the sealing block 641 turns over, the second connecting spring pushes the second mounting plate 63 to move downward, when the second mounting plate 63 moves downward, the dust on the bristles 642 is shaken off, and the bristles 642 are cleaned; part of dust on the bristles 642 is sucked from the through holes 644 and is shaken by the connecting plate 64 to clean the bristles 642; the top surface of the cutter is cleaned through the arrangement of the bristles, so that the influence of dust attached to the top surface of the cutter on the detection precision is avoided; the third mounting groove is internally provided with a filter bag which can collect dust sucked into the third mounting groove, so that the dust is prevented from entering the air pump to influence the work of the air pump.
A thirteenth movable groove is formed in the material carrying plate 6, a second pushing block 69 is arranged in the thirteenth movable groove, and the thirteenth movable groove is an electric guide rail; a supporting block 66 is arranged below the material carrying plate 6, a supporting rod 662 is arranged at the bottom of the supporting block 66, a cavity is arranged on the supporting block 66, an eighth push plate 672 is arranged in the cavity, a tenth connecting rod 671 is arranged on the eighth push plate 672, a fifth supporting plate 67 is arranged at the top of the tenth connecting rod 671, the tenth connecting rod 671 penetrates out of the cavity, and the material carrying plate 6 is arranged at the top of the fifth supporting plate 67; an air inlet hole and an air outlet hole are formed in the side wall of the cavity, a fourth movable cavity is formed in the inner wall of the air outlet hole, a first sealing plate 661 is arranged in the fourth movable cavity, a first sealing spring is arranged on the first sealing plate 661, a fourteenth movable groove is formed in the side wall of the fourth movable cavity, an eleventh connecting rod 6611 matched with the fourteenth movable groove is arranged on the first sealing plate 661, the eleventh connecting rod 6611 is of an L-shaped structure, and one end of the eleventh connecting rod 6611 is located on one side of a thirteenth movable groove; a fifth movable cavity is arranged on the inner wall of the air inlet hole, a second sealing spring 6631 is arranged in the fifth movable cavity, a second sealing plate 663 is arranged at one end of the second sealing spring 6631, air is filled in the fifth movable cavity, and the side wall of the fifth movable cavity is made of an elastic material; the air pump 65 is communicated with the air inlet through an air delivery pipe; after the cutter moves to the material carrying plate 6, the second push block 69 moves in the thirteenth movable groove, the second push block 69 pushes one end of the cutter to move, after the cutter is pushed to the fourth supporting plate 56 by the second push block 69, the second push block 69 moves to one side of the eleventh connecting rod 6611, the second push block 69 pushes the eleventh connecting rod 6611 to move, the eleventh connecting rod 6611 drives the first sealing plate 661 to move, the first sealing plate 661 enters the fourth movable cavity to open the air outlet, the air flow in the cavity is exhausted from the air outlet, the eighth push plate 672 descends after losing the supporting force, the cutter is released from the second through groove, the sixth push plate 55 pushes the cutter to move, the second push block 69 moves backwards, and the first sealing spring pushes the first sealing plate 661 to move to close the air outlet; after the sixth push plate 55 is reset, the air pump 65 delivers air into the air delivery pipe, the air enters the cavity through the air delivery pipe, the eighth push plate 672 is pushed to move upwards after the air pressure in the cavity is increased, and the material carrying plate 6 moves upwards along with the eighth push plate 672; after the eighth push plate 672 rises to the top of the cavity, air continuously enters the cavity to increase the air pressure in the cavity, the air in the cavity presses the side wall of the fifth movable cavity after increasing, the air in the inner wall of the fifth movable cavity presses, and the air pushes the second sealing plate 663 to move to the position of the air inlet hole to seal the air inlet hole, so that the reset of the material carrying plate 6 is completed; through the up-and-down motion of the material carrying plate, the cutter can be normally taken out from the second through groove after the cutter is arranged in the fourth supporting plate, and the cutter handle is prevented from being embedded in the second through groove to block the movement of the cutter on the material carrying block.
A guide rod 551 is arranged on the sixth push plate, a guide groove matched with the guide rod is arranged on the mounting plate, a first material receiving box 57 is arranged at the bottom of the sixth push plate, a second material receiving box 68 is arranged on the supporting block, the first material receiving box and the second material receiving box are both connected to the bottom of the sixth push plate and the side wall of the supporting block in a sliding groove and sliding block mode, the opening of the second through groove is larger than the width of the tool holder, and dust hanging from the tool body can directly fall on the second material receiving box through the second through groove; the guide rod provides a supporting function for the sixth push plate, and the load borne by the second cylinder is reduced; the first material receiving box collects dust hung from the bottom of the cutter and dust shaken off from the scraper; the accessible is received first material box and second and is received the dust in the material box and do the clearance to first material box and second by the mode of pulling down, reduces the dust clearance degree of difficulty.
The connecting plate is provided with a twelfth connecting rod, the second mounting plate is provided with a connecting hole, a second limiting plate 643 is arranged at the top of the twelfth connecting rod, the second limiting plate is made of rubber, the twelfth connecting rod is inserted into the connecting hole when the connecting plate is mounted, the second limiting plate penetrates through the connecting hole and enters the upper portion of the second mounting plate, and the connecting plate and the second mounting plate are connected so that bristles can be detached and cleaned conveniently.
The other structures of the workbench and the display are the same as those of the projection detector in the prior art, and are not repeated herein; the attached drawing of the application is a schematic diagram, and the structures of the air cylinder, the hydraulic cylinder, the air pump and the like are the same as those of the air cylinder, the hydraulic cylinder and the air pump in the prior art.

Claims (10)

1. A processing technology of a special cutter for molding an inner cavity of an aerospace engine is characterized by comprising the following steps: the method comprises the following steps:
a. drawing a design drawing: the engine shell belongs to a thin-wall key part, and the cutting machining tool mainly has enough rigidity and sharp cutting;
b. three-dimensional simulation: the advanced property of software is utilized to realize the high matching between the shape of the processing cutter and the size requirement of the shell forming;
c. preparing materials: preparation of the material required for the production of the tools
d. Rough turning: rough turning treatment is carried out on the blank
e. Rough milling welding edge position
f. Finish milling center height: the extremely high accurate center height enables an accurate reference point to be formed in the machining process, and meanwhile, the cutter is used for cutting at the positive point, so that the stress is accurate, and the minimum abrasion of the cutter and the minimum deformation of a workpiece are extremely high guaranteed;
g. fine milling a welding edge position: the welding parts are highly combined to achieve the overall effect;
h. welding edge
i. Rough grinding of rake face
j. Shape of integral blade and clearance for line cutting
k. Knife face after opening
l, opening the side edge
m, fine grinding R arc
n, fine grinding rake face
o, integral projection detection: placing the cutter on a measurement projector for projection detection;
p, packaging finished products; packaging the finished cutter and putting the packaged finished cutter into a warehouse;
wherein, the measuring projector in the step o comprises a workbench (1), a display (2) arranged at the top of the workbench (1) and a material loading block (3) arranged on the workbench (1), the top of the workbench (1) is provided with an objective lens (13), the workbench (1) is provided with a first supporting plate (11), the first supporting plate (11) is provided with a second supporting plate (12), the material loading block (3) is arranged at the top of the second supporting plate (12), the bottom of the material loading block (3) is provided with a first sliding block, the second supporting plate (12) is provided with a first sliding groove matched with the first sliding block, the bottom of the second supporting plate (12) is provided with a second sliding block, the first supporting plate (11) is provided with a second sliding groove matched with the second sliding block, and the first sliding groove and the second sliding groove are electric sliding rails, a first baffle (32) is arranged on the loading block (3), and a pushing assembly for pushing a cutter to move is arranged on one side of the workbench (1); the cutter is placed on the pushing assembly firstly, the tool is pushed to move towards the direction of the material carrying block (3) through the pushing assembly, the cutter moves to one side of the first baffle (32), the cutter stops moving after the cutter abuts against the first baffle (32), the first sliding block and the second sliding block move in the first sliding groove and the second sliding groove respectively, the material carrying block (3) moves together with the movement of the first sliding block and the second sliding block, a point to be measured of the cutter moves to a designated position, and the size of the cutter is detected.
2. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 1, wherein the machining process comprises the following steps: a first groove is formed in the loading block (3), a third supporting plate (35) is arranged on the inner wall of the first groove, a first air cylinder (33) is arranged in the first groove, a first push plate (31) is arranged on a piston rod of the first air cylinder (33), a first connecting rod (313) is arranged on the first push plate (31), and a sucking disc (314) is arranged at the top of the first connecting rod (313); a first movable groove is formed in the inner wall of the first groove, the first baffle (32) is arranged in the first movable groove, and the first air cylinder (33) drives the first baffle (32) to move downwards; the pushing assembly pushes a cutter to the material loading block (3), the cutter stops after abutting against the side wall of the first baffle (32), the first air cylinder (33) pushes the first push plate (31) to move upwards, the first push plate (31) drives the first connecting rod (313) to move upwards, the sucking disc (314) abuts against the bottom surface of the cutter, the sucking disc (314) fixes the cutter after being adsorbed on the bottom surface of the cutter, the cutter moves upwards along with the first connecting rod (313), the distance between the objective lens (13) and the cutter is shortened, and an image is projected onto the display (2) by using the objective lens (13); after the cutter measurement is completed, the first push plate (31) is driven by the first air cylinder (33) to move downwards, the first push plate (31) enters the first groove, the first air cylinder (33) drives the first baffle (32) to move downwards when continuing to move downwards, the cutter after the measurement is completed slides down from the material carrying block (3), and the cutter after the measurement is collected.
3. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 2, wherein the machining process comprises the following steps: a through cavity is formed in the first connecting rod (313), a first movable cavity is formed in the inner wall of the through cavity, a second push plate (315) is arranged in the first movable cavity, a second connecting rod (3151) is arranged at the bottom of the second push plate (315), the second connecting rod (3151) is fixedly connected to the bottom of the first groove, and a first supporting spring (3152) is arranged at the bottom of the second push plate (315); a third sliding block is arranged on the side wall of the first baffle (32), a third sliding groove matched with the third sliding block is arranged on the inner wall of the first movable groove, and a second supporting spring is arranged at the bottom of the third sliding block; a third push plate (331) is arranged on a piston rod of the first air cylinder (33), the first push plate (31) is arranged at the top of the third push plate (331), a fourth push plate (321) is arranged on the side wall of the first baffle (32), and the fourth push plate (321) is arranged at the bottom of the third push plate (331); when the first air cylinder (33) pushes the third push plate (331) to move upwards, the first connecting rod (313) moves upwards relative to the second push plate (315), and the first connecting rod (313) extracts air flow at the top of the cavity in the process of moving upwards; after the sucking disc (314) abuts against the bottom of the cutter, the first connecting rod (313) moves continuously relative to the second push plate (315), a vacuum state is formed inside the sucking disc (314) under the movement of the second push plate (315), a point fixing mode with the cutter is formed by using the sucking disc (314), the cutter is pushed by the first connecting rod (313) to be in a lifting state at the moment, and the objective lens (13) irradiates the cutter to measure the size of the cutter; after the cutter measurement is completed, the first air cylinder (33) drives the third push plate (331) to move downwards, the first push plate (31) and the cutter move downwards along with the third push plate (331), after the third push plate (331) moves to the top of the fourth push plate (321), the third push plate (331) pushes the fourth push plate (321) to move downwards, the fourth push plate (321) drives the first baffle (32) to move downwards, the first baffle (32) descends into the first movable groove, and the cutter after the detection is completed slides down from the material loading block (3); after the cutter falls off from the material loading block (3), the third push plate (331) moves upwards, the second supporting spring pushes the third sliding block to move upwards, and the first baffle (32) extends out of the first movable groove again.
4. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 3, wherein the machining process comprises the following steps: a second movable groove is formed in the bottom of the first push plate (31), a first connecting spring is arranged at the top of the second movable groove, a fifth push plate (311) is arranged at the bottom of the first connecting spring, a third movable groove is formed in the inner wall of one side of the first groove, a first transmission cavity is formed in the side wall of the third movable groove, and a fourth movable groove communicated with the first transmission cavity is formed in one side of the first transmission cavity; a third connecting rod is arranged on the fifth push plate (311), the third connecting rod penetrates through the third movable groove, a first transmission rod is arranged on the third connecting rod, a first transmission wheel (36) matched with the first transmission rod is arranged in the first transmission cavity, a second transmission rod (341) matched with the first transmission wheel (36) is arranged in the fourth movable groove, a fourth connecting rod is arranged on the second transmission rod (341), and a bottom plate (34) is arranged on the fourth connecting rod; a fifth movable groove is formed in the inner wall of the other side of the first groove, a second movable cavity (38) is formed in one side of the fifth movable groove, a second transmission cavity is formed in one side of the second movable cavity (38), a sixth movable groove is formed in the side wall of the second transmission cavity, a fifth connecting rod is arranged on the fifth push plate (311) and penetrates through the fifth movable groove, a sixth connecting rod is arranged at one end of the fifth connecting rod and penetrates through the second movable cavity (38), a third transmission rod is arranged on the sixth connecting rod, a second transmission wheel is arranged in the second transmission cavity, a fourth transmission rod matched with the second transmission wheel is arranged in the sixth movable groove, a seventh connecting rod is arranged on the fourth transmission rod, and the seventh connecting rod is arranged at the bottom of the bottom plate (34); the bottom plate (34) is arranged above the first baffle plate (32); when the first air cylinder (33) pushes the third push plate (331) to move upwards, the third push plate (331) pushes the fifth push plate (311) and the first push plate (31) to move upwards together, the fifth push plate (311) drives the first transmission rod and the third transmission rod to move upwards when moving, the first transmission rod and the third transmission rod drive the first transmission wheel (36) and the second transmission wheel to rotate when moving, the second transmission rod (341) and the first transmission wheel (36) and the second transmission wheel of the fourth transmission rod move when rotating, the bottom plate (34) moves towards the direction of the cutter, when the cutter is lifted to the highest point, the bottom plate (34) moves to the bottom of the cutter, a complete plane is formed at the bottom of the cutter, the objective lens (13) is projected on the cutter, and the size of the cutter is measured.
5. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 2, wherein the machining process comprises the following steps: a seventh movable groove is formed in the third supporting plate (35), a first rotating roller (354) and a second rotating roller (355) are arranged in the seventh movable groove, and the first rotating roller (354) and the second rotating roller (355) are in transmission fit through a third rotating roller (356); an eighth movable groove is formed in the side wall of the seventh movable groove, a fourth rotating roller (351) and a fifth rotating roller (352) are arranged in the eighth movable groove, a synchronous belt (353) is wound on the fourth rotating roller (351) and the fifth rotating roller (352), and the fifth rotating roller (352) is in transmission fit with the first rotating roller (354); a driving roller is arranged on the fourth rotating roller (351), the driving roller is arranged in the first movable groove in a penetrating mode, and a meshed tooth matched with the driving roller is arranged on the side wall of the top of the first baffle plate (32); after the cutter is detected, the first air cylinder (33) drives the third push plate (331) to move downwards, the third push plate (331) pushes the fourth push plate (321) to move downwards, the first baffle plate (32) moves downwards along with the fourth push plate (321), a tooth part of the first baffle plate (32) contacts with the transmission roller when moving downwards, the first baffle plate (32) moves to drive the transmission roller to rotate, the transmission roller drives the first rotating roller (354) and the second rotating roller (355) to rotate when rotating, the cutter is positioned on the first rotating roller (354) and the second rotating roller (355), the first rotating roller (354) and the second rotating roller (355) drive the cutter to move towards one side of the material carrying block (3), the cutter slides down from the material carrying block (3), and the detected cutter is collected.
6. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 1, wherein the machining process comprises the following steps: a first guide groove is formed in the material loading block (3), a guide block (4) is arranged on one side of the material loading block (3), and a chute matched with the first guide groove is formed in the guide block (4); a first through groove is formed in the guide block (4), a third movable cavity is formed in the inner wall of the first through groove, a second baffle (41) is arranged in the third movable cavity, a second guide groove is formed in the top of the third movable cavity, and a third guide groove matched with the second baffle (41) is formed in the bottom end of the chute; a ninth movable groove is formed in the loading block (3), a first connecting block (37) is arranged in the ninth movable groove, a limiting block (371) is arranged on the first connecting block (37), a connecting groove matched with the limiting block (371) is formed in the side wall of the guide block (4), a fixed spring (374) is arranged on the first connecting block (37), an eighth connecting rod (372) is arranged on the first connecting block (37), the eighth connecting rod (372) penetrates out of the ninth movable groove, and a first limiting plate (373) is arranged on the eighth connecting rod (372); after the detection of the cutter is finished, a first air cylinder (33) drives a third push plate (331) to move downwards, the third push plate (331) drives a first baffle (32) to move downwards, the first baffle (32) drives a first rotating roller (354) and a second rotating roller (355) to rotate when moving, the first rotating roller (354) and the second rotating roller (355) drive the cutter to move towards the direction of a first guide groove, after the cutter moves above the first guide groove, the cutter slides downwards to a guide block (4) along the first guide groove, when the size of the cutter is qualified, a second baffle (41) closes the first guide groove, and the cutter directly slides from the guide block (4); when the size of the cutter is unqualified, the second baffle (41) enters the third movable cavity to open the first through groove, and the cutter directly falls from the first through groove; when changing guide block (4), toward first limiting plate (373) of pulling outward, first limiting plate (373) drive first connecting block (37) and remove, and stopper (371) deviate from in the connecting groove, and guide block (4) are separated from material loading block (3) and are connected, directly take out guide block (4) from material loading block (3) one side and do the maintenance to guide block (4).
7. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 1, wherein the machining process comprises the following steps: a tenth movable groove is arranged on the workbench (1), an installation block (5) is arranged in the tenth movable groove, the bottom of the mounting block (5) is provided with a roller (58), the mounting block (5) is provided with a first mounting groove, a hydraulic cylinder (51) is arranged in the first mounting groove, a piston rod of the hydraulic cylinder (51) is provided with a ninth connecting rod (52), a first mounting plate (53) is arranged on the ninth connecting rod (52), the pushing assembly comprises a second air cylinder (54) arranged on the first mounting plate (53), a sixth push plate (55) arranged on a piston rod of the second air cylinder (54), and a fourth supporting plate (56) arranged at the bottom of the sixth push plate (55), a fourth sliding block is arranged on the fourth supporting plate (56), a fourth sliding groove matched with the fourth sliding block is arranged at the bottom of the sixth push plate (55), and a third supporting spring is arranged on the fourth sliding block; when the pushing assembly is used, the mounting block (5) is pulled out of the tenth movable groove, the hydraulic cylinder (51) pushes the first mounting plate (53) to move upwards, the first mounting plate (53) rises to a preset height, the cutter is sent to the fourth supporting plate (56), the second air cylinder (54) pushes the sixth pushing plate (55) to move forwards, the cutter moves along with the sixth pushing plate (55), the fourth supporting plate (56) abuts against the side wall of the material loading block (3), the sixth pushing plate (55) pushes the cutter to move forwards continuously, the cutter is pushed to the material loading block (3) by the sixth pushing plate (55), the fourth supporting plate (56) abuts against the material loading block (3) and then moves towards the sixth pushing plate (55), the sixth pushing plate (55) pushes the cutter to the side of the first baffle plate (32), the second air cylinder (54) drives the sixth push plate (55) to move back, and resetting of the sixth push plate (55) is completed.
8. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 7, wherein the machining process comprises the following steps: a second connecting block (552) is arranged in the fourth sliding groove, an eleventh movable groove is arranged on the second connecting block (552), a movable block (553) is arranged in the eleventh movable groove, a second mounting groove is arranged on the movable block (553), a third connecting block (557) is arranged in the second mounting groove, a scraper (5571) matched with the fourth supporting plate (56) is arranged on the third connecting block (557), a fifth slider (5531) is arranged on the movable block (553), a fifth sliding groove matched with the fifth slider (5531) is arranged on the inner wall of the eleventh movable groove, a return spring (5532) is arranged on the fifth slider (5531), a twelfth movable groove communicated with the tenth movable groove is arranged on one side of the eleventh movable groove, a third driving wheel (555) and a fourth driving wheel matched with the third driving wheel (555) are arranged in the twelfth movable groove, a fifth driving wheel (556) is arranged on the fourth driving wheel, a plurality of seventh push plates (5561) are arranged on the fifth driving wheel (556), a driving plate (554) is arranged in the eleventh movable groove, the middle part of the driving plate (554) is rotatably connected to the inner wall of the eleventh movable groove, a connecting rope (5541) is arranged on the driving plate (554), and one end of the connecting rope (5541) is fixedly connected to the second connecting block (552); the cutter moves from one side of the fourth supporting plate (56) to the fourth supporting plate (56), the bottom surface of the cutter is in contact with the side wall of the fourth supporting plate (56) when the cutter moves to the fourth supporting plate (56), the fourth supporting plate (56) scrapes off dust at the bottom of the cutter, the second air cylinder (54) pushes the sixth push plate (55) to move, and the sixth push plate (55) pushes the cutter to the material loading block (3); when the fourth supporting plate (56) is abutted against the side wall of the loading block (3), the fourth supporting plate (56) moves towards the fourth sliding chute, the fourth supporting plate (56) moves relative to the scraper (5571), and the scraper (5571) scrapes off dust on the fourth supporting plate (56); when the second cylinder (54) drives the sixth push plate (55) to move back, the third support spring pushes the fourth support plate (56) to move back, the fourth support plate (56) drives the third transmission wheel (555) to rotate, the third transmission wheel (555) drives the fourth transmission wheel to rotate, the transmission plate (554) is pushed by the seventh push plate (5561) to rotate, the connecting rope (5541) pulls the movable block (553) to move in the eleventh movable groove, after the seventh push plate (5561) rotates along with the fourth transmission wheel to be separated from the transmission plate (554), the return spring (5532) pushes the fifth slide block (5531) to move back, the fifth slide block (5531) impacts on the inner wall of the fifth sliding groove, dust on the scraper (5571) shakes off from the scraper (5571), and cleaning of the scraper (5571) is completed.
9. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 1, wherein the machining process comprises the following steps: a material carrying plate (6) is arranged on one side of the workbench (1), a third baffle (61) is arranged on the side wall of the material carrying plate (6), a fourth connecting block (62) is arranged at the top of the third baffle (61), a second through groove matched with the cutter is arranged on the material carrying plate (6), a third mounting groove is arranged on the fourth connecting block (62), a second mounting plate (63) is arranged in the third mounting groove, a fourth mounting groove is arranged on the second mounting plate (63), a connecting plate (64) is arranged in the fourth mounting groove, and a plurality of brush bristles (642) are arranged at the bottom of the connecting plate (64); a third through groove is formed in the connecting plate (64), a sealing block (641) is rotatably connected to the inner wall of the third through groove, and a plurality of through holes (644) are formed in the connecting plate (64); a second connecting spring (631) is arranged at the top of the second mounting plate (63), a first push block (621) matched with the third through groove is arranged at the top of the third mounting groove, and an air pump (65) is arranged on the fourth connecting block (62); the cutter moves to the material carrying plate (6) and then moves to the fourth supporting plate (56), when the cutter moves on the material carrying plate (6), the cutter passes through the bottom of the bristles (642), the top surface of the cutter is in contact with the bristles (642), the bristles (642) scrape dust on the top surface of the cutter, the air pump (65) is in an air pumping state, upward moving air flow is generated in the third mounting groove, the second mounting plate (63) moves upward along with the air flow, the second mounting plate (63) drives the connecting plate (64) to move upward, the connecting plate (64) moves upward to the bottom of the first push block (621), the first push block (621) is inserted into the third through groove to push the sealing block (641) to turn over downwards, the third through groove is opened after the sealing block (641) is turned over, the second connecting spring (631) pushes the second mounting plate (63) to move downwards, and when the second mounting plate (63) moves downwards, the dust on the bristles (642) is shaken off, cleaning the bristles (642); part of dust on the bristles (642) is sucked from the through holes (644) and is shaken by the connecting plate (64) to clean the bristles (642).
10. The machining process of the special tool for forming the inner cavity of the aerospace engine as claimed in claim 9, wherein the machining process comprises the following steps: a thirteenth movable groove is formed in the material carrying plate (6), a second pushing block (69) is arranged in the thirteenth movable groove, and the thirteenth movable groove is an electric guide rail; a supporting block (66) is arranged below the material carrying plate (6), a supporting rod (662) is arranged at the bottom of the supporting block (66), a cavity is formed in the supporting block (66), an eighth push plate (672) is arranged in the cavity, a tenth connecting rod (671) is arranged on the eighth push plate (672), a fifth supporting plate (67) is arranged at the top of the tenth connecting rod (671), the tenth connecting rod (671) penetrates out of the cavity, and the material carrying plate (6) is arranged at the top of the fifth supporting plate (67); an air inlet hole and an air outlet hole are formed in the side wall of the cavity, a fourth movable cavity is formed in the inner wall of the air outlet hole, a first sealing plate (661) is arranged in the fourth movable cavity, a first sealing spring is arranged on the first sealing plate (661), a fourteenth movable groove is formed in the side wall of the fourth movable cavity, an eleventh connecting rod (6611) matched with the fourteenth movable groove is arranged on the first sealing plate (661), the eleventh connecting rod (6611) is of an L-shaped structure, and one end of the eleventh connecting rod (6611) is located on one side of the thirteenth movable groove; a fifth movable cavity is formed in the inner wall of the air inlet hole, a second sealing spring (6631) is arranged in the fifth movable cavity, a second sealing plate (663) is arranged at one end of the second sealing spring (6631), air is filled in the fifth movable cavity, and the side wall of the fifth movable cavity is made of an elastic material; the air pump (65) is communicated with the air inlet through an air delivery pipe; after the cutter moves to the material carrying plate (6), the second push block (69) moves in a thirteenth movable groove, the second push block (69) pushes one end of the cutter to move, the cutter is pushed to the fourth supporting plate (56) by the second push block (69), the second push block (69) moves to one side of an eleventh connecting rod (6611), the second push block (69) pushes the eleventh connecting rod (6611) to move, the eleventh connecting rod (6611) drives the first sealing plate (661) to move, the first sealing plate (661) enters the fourth movable cavity to open the air outlet, air flow in the cavity is exhausted from the air outlet, the eighth push plate (672) descends after losing the supporting force, the cutter is separated from the second through groove, the sixth push plate (55) pushes the cutter to move, the second push block (69) moves back, and the first sealing spring pushes the first sealing plate (661) to move to close the air outlet; when the sixth push plate (55) is reset, the air pump (65) conveys air into the air conveying pipe, the air enters the cavity through the air conveying pipe, the eighth push plate (672) is pushed to move upwards after the air pressure in the cavity is increased, and the material carrying plate (6) moves upwards along with the eighth push plate (672); after the eighth push plate (672) rises to the top of the cavity, air continuously enters and increases air pressure in the cavity, the air pressure in the cavity increases and then extrudes the side wall of the fifth movable cavity, the air in the inner wall of the fifth movable cavity is extruded, the air pushes the second sealing plate (663) to move to the position of the air inlet hole to seal the air inlet hole, and resetting of the material carrying plate (6) is completed.
CN202110100450.8A 2021-01-26 2021-01-26 Machining process of special tool for forming inner cavity of aerospace engine Active CN112935740B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110100450.8A CN112935740B (en) 2021-01-26 2021-01-26 Machining process of special tool for forming inner cavity of aerospace engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110100450.8A CN112935740B (en) 2021-01-26 2021-01-26 Machining process of special tool for forming inner cavity of aerospace engine

Publications (2)

Publication Number Publication Date
CN112935740A CN112935740A (en) 2021-06-11
CN112935740B true CN112935740B (en) 2021-10-01

Family

ID=76236720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110100450.8A Active CN112935740B (en) 2021-01-26 2021-01-26 Machining process of special tool for forming inner cavity of aerospace engine

Country Status (1)

Country Link
CN (1) CN112935740B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114406295A (en) * 2022-01-19 2022-04-29 宁波鑫汇力精密工具有限公司 Machining process of special cutter for aerospace engine sealing teeth

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108453345A (en) * 2018-05-30 2018-08-28 阳江东华激光智能科技有限公司 A kind of blade processing method
CN109454249A (en) * 2018-11-16 2019-03-12 深圳市誉和钻石工具有限公司 A kind of optics lathe tool and its cutting method
CN209190390U (en) * 2018-10-29 2019-08-02 济南阿诺刀具有限公司 One kind being used for optical projection type cutting tools measurement instrument
CN110919057A (en) * 2019-10-28 2020-03-27 广东鼎泰高科精工科技有限公司 Welding edge type spiral milling cutter and manufacturing method thereof
CN111318864A (en) * 2020-03-04 2020-06-23 南宁弗纳姆智能科技有限公司 Sugarcane cutter processing technology
CN211876959U (en) * 2018-01-05 2020-11-06 成都信息工程大学 Accurate measurement optical projector
CN212007095U (en) * 2020-06-29 2020-11-24 青岛通瑞照明电器有限公司 Accurate measurement bulb projecting apparatus
EP3741500A1 (en) * 2019-05-22 2020-11-25 Eskenazi SA, ci-devant Outillage Eskenazi SA Method for making a micro milling tool comprising integrated cooling channels

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211876959U (en) * 2018-01-05 2020-11-06 成都信息工程大学 Accurate measurement optical projector
CN108453345A (en) * 2018-05-30 2018-08-28 阳江东华激光智能科技有限公司 A kind of blade processing method
CN209190390U (en) * 2018-10-29 2019-08-02 济南阿诺刀具有限公司 One kind being used for optical projection type cutting tools measurement instrument
CN109454249A (en) * 2018-11-16 2019-03-12 深圳市誉和钻石工具有限公司 A kind of optics lathe tool and its cutting method
EP3741500A1 (en) * 2019-05-22 2020-11-25 Eskenazi SA, ci-devant Outillage Eskenazi SA Method for making a micro milling tool comprising integrated cooling channels
CN110919057A (en) * 2019-10-28 2020-03-27 广东鼎泰高科精工科技有限公司 Welding edge type spiral milling cutter and manufacturing method thereof
CN111318864A (en) * 2020-03-04 2020-06-23 南宁弗纳姆智能科技有限公司 Sugarcane cutter processing technology
CN212007095U (en) * 2020-06-29 2020-11-24 青岛通瑞照明电器有限公司 Accurate measurement bulb projecting apparatus

Also Published As

Publication number Publication date
CN112935740A (en) 2021-06-11

Similar Documents

Publication Publication Date Title
CN211138843U (en) Fine carving machine convenient to clean chips
CN110539489A (en) circulation feeding equipment with powder recovery function
CN113478096A (en) Laser cutting machine with chamfering function
CN112935740B (en) Machining process of special tool for forming inner cavity of aerospace engine
CN110281113B (en) Full-automatic needle grinding machine
CN114179180B (en) Chopstick slitting and forming method
CN111774738B (en) Method for cutting automotive interior trim part
CN111775450A (en) 3D printer that can clear up automatically
CN201662485U (en) Mineral cutting down machine
CN214214109U (en) Domestic wood cutting device
CN114603360A (en) High-speed drilling and milling machining center based on dynamic optimization and working method thereof
CN211051827U (en) Double-layer glass inner frame gluing device
CN218341702U (en) Outer edge grinding device for cutting plastic uptake box
CN112247268A (en) Plastic mold cutting device
CN213828571U (en) Full porcelain tooth sandblast burnishing device
CN218254389U (en) Grinding device for machining of ceramic mechanical equipment
CN110732938A (en) Precision machining equipment for water meter covers
CN110919779A (en) A high accuracy raw materials cutting device for chopsticks production
CN214027256U (en) 3D printer that can clear up automatically
CN219055472U (en) Diamond powder forming machine
CN214351177U (en) High-speed aluminum product cutting machine with self-cleaning function
CN216829544U (en) Automobile rear vent assembly assembling jig
CN220312084U (en) Be used for laser cutting maintenance cleaning device
CN113510521B (en) Automatic slicing equipment for metal film capacitor
CN220445855U (en) Spare part processing platform convenient to remove bits

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant