CN110375132B - High corrosion resistant engine flange plate for automobile and manufacturing method thereof - Google Patents

High corrosion resistant engine flange plate for automobile and manufacturing method thereof Download PDF

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Publication number
CN110375132B
CN110375132B CN201910653358.7A CN201910653358A CN110375132B CN 110375132 B CN110375132 B CN 110375132B CN 201910653358 A CN201910653358 A CN 201910653358A CN 110375132 B CN110375132 B CN 110375132B
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China
Prior art keywords
metal
disc
plate
installing
flange
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CN201910653358.7A
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Chinese (zh)
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CN110375132A (en
Inventor
商平和
姜绍雄
陈力军
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Xinchang Xinchi Machinery Co ltd
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Xinchang Xinchi Machinery Co ltd
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Priority to CN201910653358.7A priority Critical patent/CN110375132B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/10—Indicators for correct coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/60—Identification or marking

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a high corrosion resistant engine flange plate for an automobile and a manufacturing method thereof. The manufacturing method comprises the following steps: rough machining, drilling, heat treatment, finish machining, threaded hole machining, laser engraving, end face grinding and flange mounting. According to the invention, through the design of the metal fixing disc and the metal buffer disc, the connection strength and stability between the flange and the engine end cover are improved, the vibration caused by long-time working of the engine can be avoided to generate resonance on the flange, the weight of the whole flange is reduced, the strength, hardness, wear resistance, fatigue strength and toughness of the flange are improved, and the service life of the engine is prolonged.

Description

High corrosion resistant engine flange plate for automobile and manufacturing method thereof
Technical Field
The invention relates to a high corrosion resistant engine flange plate for an automobile and a manufacturing method thereof.
Background
The automobile engine is a device for providing power for an automobile, is the heart of the automobile and determines the power performance, economy, stability and environmental protection of the automobile.
The water outlet flange of the engine is easy to corrode, a plurality of pits are formed on the contact surface of the flange, after the flange is washed clean, the pits are polished and still exist, and leakage is easy to occur when the flange is screwed down for the second time and the pits with corrosion are formed on the contact surface.
Disclosure of Invention
The invention aims to provide a high corrosion resistant engine flange for an automobile and a manufacturing method thereof, which aim at overcoming the defects of the prior art, through the design of a metal fixing plate and a metal buffer plate, not only are the connection strength and stability between the flange and an engine end cover improved, but also the vibration caused by long-time working of an engine can be avoided to generate resonance on the flange, the weight of the whole flange is reduced, and the assembly and the disassembly are convenient.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high corrosion resistant engine flange for car, characterized by: the metal fixing disc comprises a first fixing layer, a second fixing layer and a positioning sleeve, wherein the second fixing layer is fixedly connected to the center of the top surface of the first fixing layer, and the positioning sleeve is fixedly connected to the top surface of the second fixing layer; through the design of metal fixed disk and metal buffer disk, not only improved joint strength and stability between ring flange and the engine end cover, can avoid the vibration that the long-time work of engine caused moreover to produce resonance to the ring flange, the metal buffer disk can play the effect of damping buffering, and the sealing ring can play fine sealed effect, through the design of first fixed layer, second fixed layer and positioning sleeve, not only can alleviate the weight of whole ring flange, the installation of being convenient for is dismantled moreover, does not influence its normal connection and sealed effect simultaneously.
Further, two lifting lugs are symmetrically arranged on the outer circumferential side face of the positioning sleeve, threaded holes are formed in the lifting lugs, the lifting lugs and the threaded holes are convenient for sealing connection of the end cover plate, after the end cover plate is installed, screws cannot directly penetrate through the threaded holes, and then sealing effect of the flange plate is improved.
Further, the center department of metal fixed disk and sealing ring all is provided with first through-hole, and the center department of metal buffer disk is provided with the second through-hole, and first through-hole and second through-hole intercommunication, and the aperture of first through-hole is greater than the aperture of second through-hole, and the design of first through-hole is convenient for carry out spacing seal to the end cover board, and the second through-hole can support the tip of end cover board bottom surface, improves sealed effect.
Further, the top of first through-hole is provided with the chamfer, and the design of chamfer is convenient for end cover plate and positioning sleeve carry out sealing connection, precision and reliability when improving the installation.
Further, evenly be provided with four heavy platforms on the top surface of first fixed layer, every is heavy to be provided with the third through-hole on the platform, the third through-hole runs through sealing ring and metal buffer dish, evenly be provided with four first arc grooves on the outer circumference side of second fixed layer, first arc groove and heavy platform assorted, can seal the tip of screw when the ring flange carries out fixed mounting through the design of first arc groove and heavy platform, prevent that the screw from causing the corruption and influencing the sealed effect of ring flange, the screw passes the third through-hole and carries out fixed connection with the end cover of engine.
Further, be provided with the benchmark groove on the top surface of first fixed layer, be provided with the second arc wall on the second fixed layer, second arc wall and benchmark groove phase-match, the processing of ring flange is convenient for to the design in accurate groove, has improved the precision and the quality of processing, has improved the assembly precision of ring flange moreover.
Further, be provided with the scale on the top surface of first fixed layer, the design of scale has improved the assembly precision of ring flange.
The manufacturing method of the high corrosion resistant engine flange plate for the automobile is characterized by comprising the following steps of:
1) Rough machining
a. Firstly, determining the sizes of a metal fixing disc, a metal buffer disc and a sealing ring according to design requirements, forming the required metal fixing disc, the metal buffer disc and the sealing ring through casting molding, wherein a first fixing layer, a second fixing layer, a positioning sleeve and a lifting lug on the metal fixing disc are integrally molded, the size of the sealing ring is a set size, the thickness of the metal fixing disc and the thickness of the metal buffer disc are larger than the set size by 5mm, the integrally molded design simplifies the processing technology of the metal fixing disc, and meanwhile, the connection strength among the first fixing layer, the second fixing layer and the positioning sleeve is improved, and the sealing effect of the flange is further improved;
b. then selecting a clamping and positioning mechanism with proper size according to design requirements, firstly fixedly installing a round table at the top end of a supporting sleeve, vertically installing a lifting column along the center of the round table, connecting the bottom end of the lifting column with a driving motor, fixedly installing a triangular rotating block at the top end of the lifting column, sequentially installing cantilevers along three side surfaces of the triangular rotating block, movably connecting the cantilevers on the triangular rotating block through positioning strips and telescopic rods, uniformly installing clamping grooves on the top surface of the round table, rotatably connecting a clamping block on the bottom surface of the cantilever through a swinging arm, symmetrically installing balance blocks along two sides of the end part of each cantilever, fixedly installing two balance blocks on the cantilever through connecting rods, and installing clamping arms at the top end of each balance block, thereby realizing clamping and positioning of a metal fixed disc and a metal buffer disc, improving the processing quality and precision of the metal fixed disc and the metal buffer disc, and simultaneously improving the supporting strength, and meeting the requirements of polishing, drilling and processing of the metal fixed disc and the metal buffer disc;
c. after the whole clamping and positioning mechanism is installed, placing the metal fixing disc after casting molding on the clamping and positioning mechanism, and moving downwards through a lifting column, so that a cantilever is driven to be close to a triangular rotating block along a positioning strip and a telescopic rod through a swing arm until the cantilever is completely fixed, so that the metal fixing disc can be clamped and positioned, and the machining precision is improved;
d. finally, the clamping and positioning mechanism is moved to the position right below the rough polishing disc, the driving motor is started to drive the metal fixing disc to rotate, rough machining polishing is conducted on the top surface of the metal fixing disc, after the polishing of the top surface of the metal fixing disc is finished, the metal fixing disc is turned over, the bottom surface of the metal fixing disc is polished, then the metal buffering disc is replaced, rough machining polishing is conducted on the top surface and the bottom surface of the metal buffering disc in sequence, burrs and sharp edges are removed from the surfaces of the metal fixing disc and the metal buffering disc in the rough machining polishing process, the rough machining polishing thickness is 2mm, polishing treatment is conducted on the surfaces of the metal fixing disc and the metal buffering disc through the rough polishing disc, the efficiency of finish polishing machining is improved, and the machining time is shortened;
2) Drilling process
a. Firstly, installing a drilling mechanism according to design requirements, vertically and fixedly installing a positioning column on the top surface of a second bottom plate, installing a base plate along the inner side surface of the positioning column, then determining the installation position of a second sliding rail according to the design stroke of a drill rod, vertically and fixedly installing the second sliding rail at the center of the base plate, installing an L-shaped bracket on one side of the second sliding rail on the base plate, fixedly installing a second cylinder on the L-shaped bracket, then movably connecting a lifting plate on the second sliding rail through a second sliding block, sleeving the second sliding block on the second sliding rail, finally installing an upper horizontal plate and a lower horizontal plate along the side surface of the lifting plate, connecting the lower horizontal plate with the second cylinder through a second piston rod, connecting the top surface of the lower horizontal plate with a second motor through a balance plate, fixedly connecting the top surface of the second motor on the bottom surface of the upper horizontal plate, and connecting the drill rod on the second motor.
b. Then sequentially moving the metal fixing disc and the metal buffer disc to the lower part of the drilling mechanism through the clamping and positioning mechanism, starting a second motor to drive the drill rod to rotate, simultaneously starting a second cylinder, driving the drill rod to move downwards through a second piston rod, and realizing the drilling processing of the metal fixing disc and the metal buffer disc to form a corresponding first through hole, a second through hole, a sinking platform, a third through hole, a first arc-shaped groove, a second arc-shaped groove and a reference groove, so that a plurality of working procedures can be realized for processing on the drilling mechanism, the process flow is simplified, the occupied area of equipment is reduced, and the processing quality is improved;
3) Heat treatment of
a. Quenching the drilled metal fixed disc and metal buffer disc, heating the metal fixed disc and metal buffer disc to 800-1000 ℃, keeping for 15-20 min, immediately immersing the metal fixed disc and metal buffer disc in a quenching medium for rapid cooling, wherein the quenching medium is air, water or mineral oil, and the strength, hardness, wear resistance, fatigue strength and toughness of the flange disc can be improved through quenching treatment, and meanwhile, the corrosion resistance of the flange disc can be improved;
b. then, carrying out low-temperature tempering treatment on the quenched metal fixed disc and the quenched metal buffer disc, controlling the heating temperature to be 150-200 ℃, enabling the quenching and tempering hardness of the metal fixed disc and the quenched metal buffer disc to reach 24-30 HRC, reducing or eliminating quenching internal stress through tempering treatment, preventing the metal fixed disc or the metal buffer disc from deforming or cracking, and improving the dimensional stability of a workpiece;
4) Finishing work
The metal fixing plate and the metal buffer plate after heat treatment are sequentially clamped and fixed through the clamping and positioning mechanism and are moved to the position right below the finish polishing grinding disc, the finish polishing treatment is carried out on the two side surfaces of the metal fixing plate and the metal buffer plate through the finish polishing disc, the thickness of the finish polishing is 0.5mm, the surface of the metal fixing plate after the finish polishing treatment is smoother, pits appear on the surface of the flange plate, and the sealing performance of the flange plate is improved;
5) Machining of threaded holes
Firstly, replacing a drill rod on a drilling mechanism with a threaded rod according to the size of the threaded hole, then moving a metal fixing disc and a metal buffer disc which are subjected to finish machining to the lower part of the drilling mechanism, determining the drilling position of the threaded hole by controlling the interval between a clamping and positioning mechanism and the drilling mechanism, and then starting a second motor and a second air cylinder, drilling the threaded hole along the position of a lifting lug through the threaded rod, so that an end cover plate can be conveniently installed;
6) Laser lettering
Firstly, a power switch and a computer behind an electric cabinet are turned on, meanwhile, air extraction equipment is turned on, the focal length of laser engraving is adjusted, then content is drawn through drawing software, image parameters are set, then a metal fixing disc is placed on a laser engraving machine, the position of the metal fixing disc is sleeved to a proper position, and finally engraving is carried out, so that the assembly precision and quality of a flange disc are improved;
7) End face grinding
The processed metal fixed disc and the metal buffer disc are placed on grinding, the end faces of the metal fixed disc and the metal buffer disc are subjected to grinding treatment, the surface smoothness of the flange disc is improved, and the air tightness and the control accuracy size are improved;
8) Flange plate installation
a. Firstly, manufacturing an assembly mechanism, fixedly connecting a supporting plate above a first bottom plate through an upright post to enable the supporting plate to be parallel to the first bottom plate, uniformly installing limiting columns along the top surface of the first bottom plate according to the design size of a flange plate, horizontally arranging sliding grooves along the center of the supporting plate, fixedly installing two mutually parallel first sliding rails on two sides of the sliding grooves on the bottom surface of the supporting plate, selecting a horizontal moving plate with a proper size, connecting the horizontal moving plate on the first sliding rails through a first sliding block, simultaneously installing a first motor and a stop block on the bottom surface of the supporting plate, connecting a screw rod between the first motor and the stop block to enable the screw rod to horizontally penetrate through the horizontal moving plate, then vertically installing a first air cylinder on the top surface of the horizontal moving plate, connecting a manipulator through a first piston rod, and enabling the first piston rod to penetrate through a limiting hole on the horizontal moving plate;
b. then snatch the metal buffer dish through the manipulator, drive the horizontal migration board through the screw rod and remove to the top of spacing post, transfer the metal buffer dish to the spacing post between and fix a position, rethread manipulator snatchs the sealing ring, places the sealing ring in the top of metal buffer dish, snatchs the metal fixation dish through the manipulator afterwards, places the metal fixation dish on the sealing ring, fixes the ring flange through the screw, packs after taking out, improves the assembly quality and the precision of ring flange, reduces the gap when spare part is connected.
The manufacturing method has simple steps, can meet the processing and mounting requirements of the flange with complex structure, greatly improves the strength, hardness, wear resistance, fatigue strength and toughness of the flange, and further prolongs the service life of the engine.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. through the design of metal fixed disk and metal buffer disk, not only improved joint strength and stability between ring flange and the engine end cover, can avoid the vibration that the engine caused for a long time to produce resonance to the ring flange moreover.
2. The metal buffer disc can play a role in vibration reduction and buffer, and the sealing ring can play a good sealing role.
3. Through the design of first fixed layer, second fixed layer and positioning sleeve, not only can alleviate the weight of whole ring flange, the installation dismantlement of being convenient for moreover does not influence its normal connection and sealed effect simultaneously.
4. The manufacturing method has simple steps, can meet the processing and mounting requirements of the flange with complex structure, greatly improves the strength, hardness, wear resistance, fatigue strength and toughness of the flange, and further prolongs the service life of the engine.
Description of the drawings:
the invention is further described below with reference to the accompanying drawings:
FIG. 1 is a diagram showing the effect of a flange for an automotive engine with high corrosion resistance and a method for manufacturing the same according to the present invention;
FIG. 2 is a schematic view of a flange plate according to the present invention;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of the assembly mechanism of the present invention;
FIG. 5 is a schematic view showing the connection between the horizontal moving plate and the supporting plate in the present invention;
FIG. 6 is a schematic view of a clamping and positioning mechanism according to the present invention;
fig. 7 is a schematic structural view of a drilling mechanism in the present invention.
In the figure: 1-a metal fixing plate; 2-metal buffer disk; 3-a first anchoring layer; 4-a second anchoring layer; 5-positioning the sleeve; 6-lifting lugs; 7-a threaded hole; 8-a sinking platform; 9-a third through hole; 10-a reference groove; 11-a sealing ring; 12-a first bottom plate; 13-a support plate; 14-stand columns; 15-a limit column; 16-sliding grooves; 17-a horizontal moving plate; 18-a first cylinder; 19-a manipulator; 20-a first piston rod; 21-a limiting hole; 22-a first slide rail; 23-a first motor; 24-stop blocks; 25-screw; 26-a support sleeve; 27-round bench; 28-lifting columns; 29-a triangular rotating block; 30-cantilever; 31-clamping blocks; 32-swinging arms; 33-positioning strips; 34-a telescopic rod; 35-balancing weight; 36-connecting rod; 37-clamping arms; 38-a second floor; 39-positioning columns; 40-a substrate; 41-lifting plates; 42-a second slide rail; a 43-L shaped bracket; 44-a second cylinder; 45-a second piston rod; 46-a lower horizontal plate; 47-upper horizontal plate; 48-balancing plates; 49-a second motor; 50-drill rod.
Detailed Description
As shown in fig. 1 to 3, the flange plate of the high corrosion resistant engine for the automobile comprises a metal fixed plate 1, a metal buffer plate 2 and a sealing ring 11, wherein the sealing ring 11 is fixedly connected between the metal fixed plate 1 and the metal buffer plate 2, the metal fixed plate 1 comprises a first fixed layer 3, a second fixed layer 4 and a positioning sleeve 5, the second fixed layer 4 is fixedly connected at the center of the top surface of the first fixed layer 3, and the positioning sleeve 5 is fixedly connected on the top surface of the second fixed layer 4; through the design of metal fixed disk 1 and metal buffer disk 2, joint strength and stability between ring flange and the engine end cover have not only been improved, can avoid the vibration that the long-time work of engine caused to produce resonance to the ring flange moreover, metal buffer disk 2 can play damping buffering's effect, sealing ring 11 can play fine sealed effect, through the design of first fixed layer 3, second fixed layer 4 and positioning sleeve 5, not only can alleviate the weight of whole ring flange, the installation dismantlement of being convenient for moreover does not influence its normal connection and sealing effect simultaneously.
Two lifting lugs 6 are symmetrically arranged on the outer circumferential side surface of the positioning sleeve 5, threaded holes 7 are formed in the lifting lugs 6, the lifting lugs 6 and the threaded holes 7 are designed to facilitate sealing connection of the end cover plate, after the end cover plate is installed, screws cannot directly penetrate through the threaded holes 7, and then sealing effect of the flange plate is improved.
The center department of metal fixed disk 1 and sealing ring 11 all is provided with first through-hole (not marked in the figure), and the center department of metal buffer disk 2 is provided with second through-hole (not marked in the figure), and first through-hole and second through-hole intercommunication, and the aperture of first through-hole is greater than the aperture of second through-hole, and the design of first through-hole is convenient for carry out spacing seal to the end cover board, and the second through-hole can support the tip of end cover board bottom surface, improves sealed effect.
The top of first through-hole is provided with the chamfer, and the design of chamfer is convenient for end cover plate and positioning sleeve 5 carry out sealing connection, improves precision and reliability when installing.
Four sinking tables 8 are uniformly arranged on the top surface of the first fixing layer 3, third through holes 9 are formed in each sinking table 8, the third through holes 9 penetrate through the sealing rings 11 and the metal buffer disc 2, four first arc-shaped grooves are uniformly formed in the outer circumferential side surface of the second fixing layer 4 and are matched with the sinking tables 8, the end parts of screws can be sealed when the flange is fixedly mounted through the first arc-shaped grooves and the sinking tables 8, the screw is prevented from corroding to affect the sealing effect of the flange, and the screws penetrate through the third through holes 9 to be fixedly connected with an end cover of an engine.
The top surface of the first fixed layer 3 is provided with the reference groove 10, the second fixed layer 4 is provided with the second arc-shaped groove, the second arc-shaped groove is matched with the reference groove 10, the design of the accurate groove is convenient for processing the flange plate, the processing precision and quality are improved, and the assembly precision of the flange plate is improved.
The top surface of the first fixed layer 3 is provided with scales, and the design of the scales improves the assembly precision of the flange plate.
The manufacturing method of the high corrosion resistant engine flange plate for the automobile comprises the following steps of:
1) Rough machining
a. Firstly, determining the sizes of a metal fixing disc 1, a metal buffer disc 2 and a sealing ring 11 according to design requirements, forming the required metal fixing disc 1, the metal buffer disc 2 and the sealing ring 11 through casting, integrally forming a first fixing layer 3, a second fixing layer 4, a positioning sleeve 5 and a lifting lug 6 on the metal fixing disc 1, wherein the size of the sealing ring 11 is a set size, the thicknesses of the metal fixing disc 1 and the metal buffer disc 2 are larger than the set size by 5mm, the integrally formed design simplifies the processing technology of the metal fixing disc 1, and simultaneously improves the connection strength among the first fixing layer 3, the second fixing layer 4 and the positioning sleeve 5, and further improves the sealing effect of the flange;
b. then selecting a clamping and positioning mechanism with proper size according to design requirements, as shown in fig. 6, firstly, fixedly installing a round table 27 at the top end of a supporting sleeve 26, vertically installing a lifting column 28 along the center of the round table 27, connecting the bottom end of the lifting column 28 with a driving motor, fixedly installing a triangular rotating block 29 at the top end of the lifting column 28, sequentially installing cantilevers 30 along three sides of the triangular rotating block 29, movably connecting the cantilevers 30 on the triangular rotating block 29 through positioning strips 33 and telescopic rods 34, uniformly installing clamping grooves on the top surface of the round table 27, rotatably connecting a clamping block 31 on the bottom surface of the cantilever 30 through a swinging arm 32, finally symmetrically installing balance blocks 35 along two sides of the end of each cantilever 30, fixedly installing two balance blocks 35 on the cantilever 30 through connecting rods 36, and installing clamping arms 37 at the top end of each balance block 35, by the design of the clamping and positioning mechanism, the clamping and positioning of the metal fixed disc 1 and the metal buffer disc 2 can be realized, the processing quality and precision of the metal fixed disc 1 and the metal buffer disc 2 are improved, and the supporting strength is simultaneously improved, and the polishing and the metal fixed disc 1 and the metal buffer disc 2 are satisfied;
c. after the whole clamping and positioning mechanism is installed, the metal fixed disc 1 after casting molding is placed on the clamping and positioning mechanism, and moves downwards through the lifting column 28, so that the cantilever 30 is driven by the swing arm 32 to approach the triangular rotating block 29 along the positioning strip 33 and the telescopic rod 34 until the metal fixed disc 1 is completely fixed, so that the clamping and positioning of the metal fixed disc 1 can be realized, and the machining precision is improved;
d. finally, the clamping and positioning mechanism is moved to the position right below the rough polishing disc, the driving motor is started to drive the metal fixing disc 1 to rotate, rough machining polishing is conducted on the top surface of the metal fixing disc 1, after the polishing of the top surface of the metal fixing disc 1 is finished, the metal fixing disc 1 is turned over, the bottom surface of the metal fixing disc 1 is polished, the metal buffer disc 2 is replaced, rough machining polishing is conducted on the top surface and the bottom surface of the metal buffer disc 2 in sequence, burrs and sharp edges are removed on the surfaces of the metal fixing disc 1 and the metal buffer disc 2 in the rough machining polishing process, the rough machining polishing thickness is 2mm, polishing treatment is conducted on the surfaces of the metal fixing disc 1 and the metal buffer disc 2 through the rough polishing disc, so that the fine polishing efficiency is improved, and the machining time is shortened;
2) Drilling process
a. Firstly, installing a drilling mechanism according to design requirements, as shown in fig. 7, firstly, vertically and fixedly installing a positioning column 39 on the top surface of a second bottom plate 38, installing a base plate 40 along the inner side surface of the positioning column 39, then determining the installation position of a second sliding rail 42 according to the design travel of a drill rod 50, vertically and fixedly installing the second sliding rail 42 at the center of the base plate 40, installing an L-shaped bracket 43 on one side of the second sliding rail 42 on the base plate 40, fixedly installing a second air cylinder 44 on the L-shaped bracket 43, then movably connecting a lifting plate 41 on the second sliding rail 42 through a second sliding block, sleeving the second sliding block on the second sliding rail 42, finally installing an upper horizontal plate 47 and a lower horizontal plate 46 along the side surface of the lifting plate 41, connecting the lower horizontal plate 46 with the second air cylinder 44 through a second piston rod 45, connecting the top surface of the lower horizontal plate 46 with a second motor 49 through a balance plate 48, and fixedly connecting the top surface of the second motor 49 with the bottom surface of the upper plate 47, wherein the design of the drilling mechanism greatly improves the labor efficiency of the flange plate, reduces the labor intensity of manual drilling operation, and further reduces the quality of the drilling operation;
b. then the metal fixing disc 1 and the metal buffer disc 2 are sequentially moved to the lower part of the drilling mechanism through the clamping and positioning mechanism, the second motor 49 is started to drive the drill rod 50 to rotate, meanwhile, the second air cylinder 44 is started, the second piston rod 45 drives the drill rod 50 to move downwards, so that the metal fixing disc 1 and the metal buffer disc 2 are drilled, corresponding first through holes, second through holes, a sinking table 8, a third through hole 9, first arc grooves, second arc grooves and a reference groove 10 are formed, a plurality of working procedures can be realized for machining on the drilling mechanism, the technological process is simplified, the occupied area of equipment is reduced, and the machining quality is improved;
3) Heat treatment of
a. Quenching the drilled metal fixed disc 1 and metal buffer disc 2, heating the metal fixed disc 1 and metal buffer disc 2 to 800-1000 ℃, keeping for 15-20 min, immediately immersing in a quenching medium for rapid cooling, wherein the quenching medium is air, water or mineral oil, and the strength, hardness, wear resistance, fatigue strength and toughness of the flange can be improved through quenching treatment, and meanwhile, the corrosion resistance of the flange can be improved;
b. then, the quenched metal fixed disc 1 and the quenched metal buffer disc 2 are subjected to low-temperature tempering treatment, the heating temperature is controlled to be 150-200 ℃, the quenching and tempering hardness of the metal fixed disc 1 and the metal buffer disc 2 reach 24-30 HRC, quenching internal stress can be reduced or eliminated through tempering treatment, the metal fixed disc 1 or the metal buffer disc 2 is prevented from deforming or cracking, and the dimensional stability of a workpiece is improved;
4) Finishing work
The metal fixing plate 1 and the metal buffer plate 2 after heat treatment are sequentially clamped and fixed through the clamping and positioning mechanism and are moved to the position right below the finish polishing grinding plate, the finish polishing treatment is carried out on the two side surfaces of the metal fixing plate 1 and the metal buffer plate 2 through the finish polishing grinding plate, the thickness of the finish polishing is 0.5mm, the surface of the metal fixing plate 1 after the treatment of the finish polishing treatment is smoother, pits appear on the surface of the flange plate, and the sealing performance of the flange plate is improved;
5) Machining of threaded holes
Firstly, replacing a drill rod 50 on a drilling mechanism with a threaded rod according to the size of a threaded hole 7, then moving a metal fixing disc 1 and a metal buffer disc 2 which are subjected to finish machining to the lower part of the drilling mechanism, determining the drilling position of the threaded hole 7 by controlling the interval between a clamping and positioning mechanism and the drilling mechanism, and then starting a second motor 49 and a second air cylinder 44, drilling the threaded hole 7 along the position of a lifting lug 6 through the threaded rod, so that an end cover plate can be conveniently installed;
6) Laser lettering
Firstly, a power switch and a computer behind an electric cabinet are turned on, meanwhile, air extraction equipment is turned on, the focal length of laser engraving is adjusted, then content is drawn through drawing software, image parameters are set, then a metal fixing disc 1 is placed on a laser engraving machine, the position of the metal fixing disc 1 is sleeved to a proper position, and finally engraving is carried out, so that the assembly precision and quality of a flange plate are improved;
7) End face grinding
The processed metal fixing disc 1 and the metal buffer disc 2 are placed on grinding, the end faces of the metal fixing disc and the metal buffer disc are subjected to grinding treatment, the surface smoothness of the flange is improved, and the air tightness and the control accuracy size are improved;
8) Flange plate installation
a. Firstly, manufacturing an assembly mechanism, as shown in fig. 4 and 5, fixedly connecting a supporting plate 13 above a first bottom plate 12 through a stand column 14, enabling the supporting plate 13 to be parallel to the first bottom plate 12, uniformly installing a limiting column 15 along the top surface of the first bottom plate 12 according to the design size of a flange, horizontally arranging a sliding groove 16 along the center of the supporting plate 13, fixedly installing two mutually parallel first sliding rails 22 on two sides of the sliding groove 16 on the bottom surface of the supporting plate 13, selecting a horizontal moving plate 17 with a proper size, connecting the horizontal moving plate 17 to the first sliding rails 22 through a first sliding block, simultaneously installing a first motor 23 and a stop block 24 on the bottom surface of the supporting plate 13, connecting a screw rod 25 between the first motor 23 and the stop block 24, enabling the screw rod 25 to horizontally penetrate through the horizontal moving plate 17, then vertically installing a first air cylinder 18 on the top surface of the horizontal moving plate 17, wherein the first air cylinder 18 is connected with a manipulator 19 through a first piston rod 20, and the first piston rod 20 penetrates through a limiting hole 21 on the horizontal moving plate 17;
b. then snatch metal buffer dish 2 through manipulator 19, drive horizontal migration board 17 through screw rod 25 and remove to the top of spacing post 15, with metal buffer dish 2 down between spacing post 15 location, rethread manipulator 19 snatchs sealing ring 11, place sealing ring 11 in the top of metal buffer dish 2, then snatch metal fixed disk 1 through manipulator 19, place metal fixed disk 1 on sealing ring 11, fix the ring flange through the screw, pack after taking out, improve the assembly quality and the precision of ring flange, the gap when reducing spare part and connecting.
The manufacturing method has simple steps, can meet the processing and mounting requirements of the flange with complex structure, greatly improves the strength, hardness, wear resistance, fatigue strength and toughness of the flange, and further prolongs the service life of the engine.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are included in the scope of the present invention.

Claims (5)

1. A manufacturing method of a high corrosion resistant engine flange for an automobile is characterized by comprising the following steps: the flange plate comprises a metal fixed plate, a metal buffer plate and a sealing ring, wherein the sealing ring is fixedly connected between the metal fixed plate and the metal buffer plate, the metal fixed plate comprises a first fixed layer, a second fixed layer and a positioning sleeve, the second fixed layer is fixedly connected to the center of the top surface of the first fixed layer, and the positioning sleeve is fixedly connected to the top surface of the second fixed layer; two lifting lugs are symmetrically arranged on the outer circumferential side surface of the positioning sleeve, and threaded holes are formed in the lifting lugs; the metal fixing disc and the sealing ring are provided with a first through hole at the center, the metal buffer disc is provided with a second through hole at the center, the first through hole is communicated with the second through hole, and the aperture of the first through hole is larger than that of the second through hole; the method comprises the following steps:
1) Rough machining
a. Firstly, determining the sizes of a metal fixed disc, a metal buffer disc and a sealing ring according to design requirements, forming the required metal fixed disc, the metal buffer disc and the sealing ring through casting, and integrally forming a first fixed layer, a second fixed layer, a positioning sleeve and a lifting lug on the metal fixed disc, wherein the size of the sealing ring is a set size, and the thicknesses of the metal fixed disc and the metal buffer disc are larger than 5mm of the set size;
b. then selecting a clamping and positioning mechanism with proper size according to design requirements, firstly fixedly installing a round platform at the top end of a supporting sleeve, vertically installing a lifting column along the center of the round platform, connecting the bottom end of the lifting column with a driving motor, fixedly installing a triangular rotating block at the top end of the lifting column, sequentially installing cantilevers along three side surfaces of the triangular rotating block, movably connecting the cantilevers on the triangular rotating block through positioning strips and telescopic rods, uniformly installing clamping blocks on the top surface of the round platform, rotatably connecting one end of each swing arm on the cantilever, rotatably connecting the other end of each swing arm on the clamping block, symmetrically installing balance weights along two sides of the end of each cantilever, fixedly installing two balance weights on the cantilevers through connecting rods, and installing clamping arms at the top end of each balance weight;
c. after the whole clamping and positioning mechanism is installed, placing the metal fixing disc after casting molding on the clamping and positioning mechanism, and moving downwards through a lifting column, so as to drive a cantilever to approach a triangular rotating block along a positioning strip and a telescopic rod through a swing arm until the cantilever is completely fixed;
d. finally, moving the clamping and positioning mechanism to the position right below the rough polishing disc, starting a driving motor to drive the metal fixing disc to rotate, realizing rough machining and polishing on the top surface of the metal fixing disc, turning over the metal fixing disc after the polishing of the top surface of the metal fixing disc is finished, polishing the bottom surface of the metal fixing disc, replacing the metal buffering disc, sequentially rough machining and polishing the top surface and the bottom surface of the metal buffering disc, and deburring and sharp-edge treatment on the surfaces of the metal fixing disc and the metal buffering disc during rough machining and polishing, wherein the rough machining and polishing thickness is 2mm;
2) Drilling process
a. Firstly, installing a drilling mechanism according to design requirements, vertically and fixedly installing a positioning column on the top surface of a second bottom plate, installing a substrate along the inner side surface of the positioning column, then determining the installation position of a second sliding rail according to the design travel of a drill rod, vertically and fixedly installing the second sliding rail at the center of the substrate, installing an L-shaped bracket on one side of the second sliding rail on the substrate, fixedly installing a second cylinder on the L-shaped bracket, then movably connecting a lifting plate on the second sliding rail through a second sliding block, sleeving the second sliding block on the second sliding rail, finally installing an upper horizontal plate and a lower horizontal plate along the side surface of the lifting plate, connecting the lower horizontal plate with the second cylinder through a second piston rod, connecting the top surface of the lower horizontal plate with a second motor through a balance plate, fixedly connecting the top surface of the second motor on the bottom surface of the upper horizontal plate, and connecting the drill rod on the second motor;
b. then sequentially moving the metal fixing disc and the metal buffer disc to the lower part of the drilling mechanism through the clamping and positioning mechanism, starting a second motor to drive the drill rod to rotate, simultaneously starting a second cylinder, and driving the drill rod to move downwards through a second piston rod to realize the drilling processing of the metal fixing disc and the metal buffer disc, so as to form a corresponding first through hole, a second through hole, a sinking platform, a third through hole, a first arc-shaped groove, a second arc-shaped groove and a reference groove;
3) Heat treatment of
a. Quenching the drilled metal fixed disc and metal buffer disc, firstly heating the metal fixed disc and the metal buffer disc to 800-1000 ℃, keeping for 15-20 min, and immediately immersing the metal fixed disc and the metal buffer disc in a quenching medium for rapid cooling, wherein the quenching medium is air, water or mineral oil;
b. then, carrying out low-temperature tempering treatment on the quenched metal fixed disc and the quenched metal buffer disc, and controlling the heating temperature to be 150-200 ℃ so that the quenching and tempering hardness of the metal fixed disc and the quenched and tempered metal buffer disc reach 24-30 HRC;
4) Finishing work
Sequentially clamping and fixing the heat-treated metal fixed disc and the metal buffer disc through a clamping and positioning mechanism, moving the metal fixed disc and the metal buffer disc to the position right below the fine polishing disc, and carrying out fine polishing treatment on two side surfaces of the metal fixed disc and the metal buffer disc through the fine polishing disc, wherein the fine polishing thickness is 0.5mm;
5) Machining of threaded holes
Firstly, replacing a drill rod on a drilling mechanism with a threaded rod according to the size of the threaded hole, then moving a metal fixing disc and a metal buffer disc which are subjected to finish machining to the lower part of the drilling mechanism, determining the drilling position of the threaded hole by controlling the interval between a clamping and positioning mechanism and the drilling mechanism, and then starting a second motor and a second cylinder, and drilling the threaded hole along the position of a lifting lug through the threaded rod;
6) Laser lettering
Firstly, a power switch and a computer behind an electric cabinet are turned on, meanwhile, air extraction equipment is turned on, the focal length of laser engraving is adjusted, then content is drawn through drawing software, image parameters are set, then a metal fixing disc is placed on a laser engraving machine, the position of the metal fixing disc is sleeved to a proper position, and finally engraving is carried out;
7) End face grinding
Placing the processed metal fixed disc and the metal buffer disc on a grinder, and grinding the end surfaces of the metal fixed disc and the metal buffer disc;
8) Flange plate installation
a. Firstly, manufacturing an assembly mechanism, fixedly connecting a supporting plate above a first bottom plate through an upright post to enable the supporting plate to be parallel to the first bottom plate, uniformly installing limiting columns along the top surface of the first bottom plate according to the design size of a flange plate, horizontally arranging sliding grooves along the center of the supporting plate, fixedly installing two mutually parallel first sliding rails on two sides of the sliding grooves on the bottom surface of the supporting plate, selecting a horizontal moving plate with a proper size, connecting the horizontal moving plate on the first sliding rails through a first sliding block, simultaneously installing a first motor and a stop block on the bottom surface of the supporting plate, connecting a screw rod between the first motor and the stop block to enable the screw rod to horizontally penetrate through the horizontal moving plate, then vertically installing a first air cylinder on the top surface of the horizontal moving plate, connecting a manipulator through a first piston rod, and enabling the first piston rod to penetrate through a limiting hole on the horizontal moving plate;
b. then snatch the metal buffer dish through the manipulator, drive the horizontal migration board through the screw rod and remove to the top of spacing post, transfer the metal buffer dish to fix a position between the spacing post, rethread manipulator snatchs the sealing ring, places the sealing ring in the top of metal buffer dish, snatchs the metal fixed disk through the manipulator afterwards, places the metal fixed disk on the sealing ring, fixes the ring flange through the screw, packs after taking out.
2. The method for manufacturing a flange for a highly corrosion resistant engine for an automobile according to claim 1, characterized by: the top of the first through hole is provided with a chamfer.
3. The method for manufacturing a flange for a highly corrosion resistant engine for an automobile according to claim 1, characterized by: four sinking tables are uniformly arranged on the top surface of the first fixed layer, a third through hole is formed in each sinking table, the third through holes penetrate through the sealing ring and the metal buffer disc, four first arc-shaped grooves are uniformly formed in the outer circumferential side surface of the second fixed layer, and the first arc-shaped grooves are matched with the sinking tables.
4. The method for manufacturing a flange for a highly corrosion resistant engine for an automobile according to claim 1, characterized by: the top surface of first fixed layer is provided with the benchmark groove, be provided with the second arc wall on the second fixed layer, the second arc wall with benchmark groove phase-match.
5. The method for manufacturing a flange for a highly corrosion resistant engine for an automobile according to claim 1, characterized by: the top surface of the first fixed layer is provided with scales.
CN201910653358.7A 2019-07-19 2019-07-19 High corrosion resistant engine flange plate for automobile and manufacturing method thereof Active CN110375132B (en)

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CN112719798B (en) * 2020-12-19 2023-06-30 安徽涌诚机械有限公司 High-precision wind power middle box body and processing technology thereof
CN112628496B (en) * 2020-12-22 2022-07-19 新昌县欣驰机械有限公司 High-corrosion-resistance flange plate connecting seat for automobile hydraulic system and manufacturing method thereof
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DE4214514A1 (en) * 1992-05-01 1993-11-04 Hans Hoebel Flange for vehicle exhaust pipe - has laminates with pipe borehole such that individual laminates have meshing axial projections
CN206626303U (en) * 2016-11-01 2017-11-10 新昌县城关双雄五金厂 A kind of antidetonation noise reduction ring flange
CN208859146U (en) * 2018-08-24 2019-05-14 潍坊鑫汇通金属制品有限公司 A kind of crossover flange with neck containing sealing structure
CN210372436U (en) * 2019-07-19 2020-04-21 新昌县新柴机械有限公司 High corrosion resistant engine flange plate for automobile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214514A1 (en) * 1992-05-01 1993-11-04 Hans Hoebel Flange for vehicle exhaust pipe - has laminates with pipe borehole such that individual laminates have meshing axial projections
CN206626303U (en) * 2016-11-01 2017-11-10 新昌县城关双雄五金厂 A kind of antidetonation noise reduction ring flange
CN208859146U (en) * 2018-08-24 2019-05-14 潍坊鑫汇通金属制品有限公司 A kind of crossover flange with neck containing sealing structure
CN210372436U (en) * 2019-07-19 2020-04-21 新昌县新柴机械有限公司 High corrosion resistant engine flange plate for automobile

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