CN114888651A - Flywheel disc semi-product grinding and polishing repair device and repair method - Google Patents
Flywheel disc semi-product grinding and polishing repair device and repair method Download PDFInfo
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- CN114888651A CN114888651A CN202210438082.2A CN202210438082A CN114888651A CN 114888651 A CN114888651 A CN 114888651A CN 202210438082 A CN202210438082 A CN 202210438082A CN 114888651 A CN114888651 A CN 114888651A
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- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
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- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- 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
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- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of flywheel processing, in particular to a flywheel disc semi-product grinding and polishing repair device, wherein a Z-axis lifting mechanism comprises a servo motor, an upright column sliding table, a section bar frame, a section bar upright column and a section bar base, the upright column sliding table and the section bar upright column are arranged at the top of the section bar base, the upright column sliding table and the section bar upright column are oppositely and vertically arranged, two sides of the section bar frame in the length direction are respectively provided with a sliding block, the section bar frame is respectively connected with the upright column sliding table and the section bar upright column in a sliding manner through the two sliding blocks, and the power end of the servo motor is connected with the section bar frame; the main shaft rotating mechanism is arranged on the section bar frame, the bottom of the main shaft rotating mechanism is a grinding disc used for grinding, polishing and repairing a flywheel disc semi-finished product, the flywheel disc semi-finished product fixing mechanism is arranged below the grinding disc, and the flywheel disc semi-finished product fixing mechanism is used for fixing the flywheel disc semi-finished product. The repairing device can realize grinding, polishing and repairing of the flywheel disc semi-finished product and can avoid the problem of edge treading. The invention also provides a grinding and polishing repairing method for the flywheel disc semi-finished product.
Description
Technical Field
The invention relates to the technical field of flywheel processing, in particular to a flywheel disc semi-finished product grinding and polishing repairing device and a repairing method.
Background
With the rapid development of economy in China, the living standard of people is rapidly improved, and the living quality of people is concerned more and more. On the 'walk' of 'clothes and housing', automobiles gradually walk into every family, become very popular, and the automobile industry is increasingly strong. Automobile engines play a significant role in the manufacture of a whole automobile. The flywheel inside the automobile engine is a disc with larger rotational inertia, is one of important components for the automobile engine, and can cause fatal failure of the engine if the engine flywheel cracks and fails.
The engine flywheel consists of a driving disc, a signal disc and a starting gear ring, wherein the driving disc is used for transmitting torque output by the engine to a hydraulic torque converter, and the signal disc is used for converting the mechanical position of the flywheel into an electric signal and identifying the position of each cylinder of the engine. The starting gear ring is used for being matched with a starter to enable the engine to be started normally. The flywheel disc in this patent refers to a flexible flywheel driving disc, i.e. the flywheel disc semi-finished product is the driving disc semi-finished product, and the flywheel disc mentioned later represents the flexible flywheel driving disc.
The flywheel disc semi-product needs to be processed and manufactured through the working procedures of uncoiling of a high-strength cold-rolled steel coil, internal stress release, flattening, stamping, detection and the like. The surface of the steel plate has certain probability of generating cracks and other defects harmful to use in the manufacturing, processing and transporting processes of the steel coil, the surface of the flywheel disc semi-product can also generate a small amount of surface defects with different sizes and depths, such as scratches, pits, stripes and the like in the processing process, and the randomness of the form, the quantity and the distribution of the defects is strong. After the flywheel disc semi-product is processed into the flywheel disc, the position of the surface of the flywheel disc with defects can cause the problem of stress concentration, so that the product quality requirement cannot be met, and after the flywheel disc semi-product is installed, the danger of breakage and the like can be easily caused under the working condition of high-speed rotation of an engine.
At present, flywheel disc semi-finished products with surface defects are not easy to repair, generally directly serve as unqualified products to be scrapped, only waste products can be sold, and serious waste is caused. With the rapid increase of the output requirement of the flywheel disc, a large number of unqualified products cause the obvious improvement of the production cost of enterprises, and great economic burden is brought to the enterprises. The problem seriously affects the economic benefit of enterprises, cannot meet the increasing qualified product requirements of the flywheel discs, and does not have a practical and effective repairing method at present.
In general, the surface defects of the flywheel disc semi-finished products in the prior art cannot be effectively repaired at low cost, the processing modes have the problems of high cost, expensive supported equipment, high requirements of processing precision on processing environment and the like, a factory cannot bear high processing cost of the flywheel disc semi-finished products, and strict requirements on grinding processing are difficult to guarantee. At present, no special grinding and polishing repair processing technology for the flywheel disc semi-finished product exists, and the problem of treading edges is easily caused when the flywheel disc semi-finished product is repaired by adopting a traditional grinding processing mode and a traditional grinding processing device.
Disclosure of Invention
In order to solve the problems, the flywheel disc semi-finished product grinding and polishing repairing device provided by the invention can realize grinding and polishing repairing processing of the flywheel disc semi-finished product and can avoid the problem of generating a treading edge. The invention also provides a grinding and polishing repairing method for the flywheel disc semi-finished product.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first technical scheme, the flywheel disc semi-finished product grinding and polishing repairing device comprises a main shaft rotating mechanism, a Z-axis lifting mechanism and a flywheel disc semi-finished product fixing mechanism, wherein the Z-axis lifting mechanism comprises a servo motor, an upright column sliding table, a section bar frame, a section bar upright column and a section bar base, the upright column sliding table and the section bar upright column are arranged at the top of the section bar base and are arranged vertically in opposite directions, two sides of the section bar frame in the length direction are respectively provided with a sliding block, the section bar frame is respectively in sliding connection with the upright column sliding table and the section bar upright column through the two sliding blocks, and a power end of the servo motor is connected with the section bar frame to drive the section bar frame to vertically move; the main shaft rotating mechanism is installed on the section bar frame, the bottom of the main shaft rotating mechanism is a grinding disc used for grinding and polishing and repairing a flywheel disc semi-finished product, the flywheel disc semi-finished product fixing mechanism is arranged below the grinding disc, and the flywheel disc semi-finished product fixing mechanism is used for fixing the flywheel disc semi-finished product.
In the first technical scheme, preferably, the flywheel disc semi-finished product fixing mechanism comprises a water tank, a permanent magnetic chuck, a magnetic disc pressing plate and a magnetic disc connecting plate, wherein the permanent magnetic chuck is installed on the water tank through the magnetic disc pressing plate and a fastening piece, and the permanent magnetic chuck is used for electrifying and adsorbing the flywheel disc semi-finished product.
In a first technical scheme, as preferred, flywheel dish semi-manufactured goods grinds and throws prosthetic devices still includes horizontal migration mechanism, horizontal migration mechanism includes step motor, motor connecting plate and horizontal slip table, horizontal slip table fixed mounting is at section bar base top, and the power end link block of horizontal slip table, the basin passes through the disk connecting plate and installs on horizontal migration mechanism's slider, step motor passes through the motor connecting plate and connects the side at horizontal slip table, and step motor's power end is connected with horizontal slip table to drive flywheel dish semi-manufactured goods fixed establishment along the direction horizontal migration that sets up of horizontal slip table.
In the first technical scheme, preferably, the position of the horizontal sliding table at the bottom of the main shaft rotating mechanism is a processing working position, and the horizontal sliding table is also provided with a flywheel disc semi-finished product loading and unloading position; the laser ranging mechanism is arranged above the flywheel disc semi-product loading and unloading position and is in signal connection with the servo motor, and the laser ranging mechanism is used for acquiring height position data of a to-be-processed surface of the flywheel disc semi-product so as to control the processing feeding distance of the main shaft rotating mechanism.
In a first technical scheme, as preferred, laser rangefinder mechanism includes laser rangefinder sensor, sensor connecting plate and gate-type section bar, laser rangefinder sensor passes through the sensor connecting plate and connects on the gate-type section bar, and laser rangefinder sensor is arranged in the top that the semi-manufactured goods of horizontal slip table flywheel dish loaded and unloaded the position.
In the first technical solution, preferably, the main shaft rotating mechanism includes a main shaft, an angular contact ball bearing ball, a bearing seat, a fixed lower plate, a disc spring, a disc connecting member, a disc, and a dc gear motor, wherein the main shaft is installed in the bearing seat through the angular contact ball bearing ball, the bearing seat is connected with the profile frame through the fixed lower plate, the main shaft is connected with the disc connecting member through a key, the main shaft has a shaft shoulder, the upper end of the disc connecting member is abutted against the main shaft and the shaft shoulder through the disc spring, the lower end of the disc connecting member is provided with the disc, and a power end of the dc gear motor is connected to the top end of the main shaft to drive the main shaft, the disc connecting member, and the disc to rotate;
the disc spring is pre-tightened and has a compression amount and a rebound amount, and when the disc spring is used for contacting a grinding disc with a semi-finished product of the flywheel disc, the grinding disc can move upwards in a micro-motion manner, so that deformation of the main shaft and the grinding disc when the rigid structure is stressed and contacted is prevented.
In the 2 nd technical scheme, the flywheel disc semi-finished product grinding and polishing repairing method uses the flywheel disc semi-finished product grinding and polishing repairing device as the first technical scheme, and comprises the following steps,
step 1: placing the flywheel disc semi-finished product on a permanent magnetic chuck, fixing the flywheel disc semi-finished product through the upper magnetism of the permanent magnetic chuck, transferring the flywheel disc semi-finished product to the lower part of a main shaft rotating mechanism through a horizontal sliding table, and adjusting the position of the flywheel disc semi-finished product to enable the flywheel disc semi-finished product and a grinding disc to be coaxial;
step 2: transferring the flywheel disc semi-finished product to the position below a laser ranging mechanism through a horizontal sliding table, and measuring the distance between the flywheel disc semi-finished product and a sensor by a laser ranging sensor;
and step 3: transferring the flywheel disc semi-finished product to a main shaft rotating mechanism through a horizontal sliding table, adjusting the gap between a grinding disc and the flywheel disc semi-finished product through the rotation of a servo motor of a Z-axis lifting mechanism and the lifting of an upright column sliding table, and grinding and polishing the flywheel disc semi-finished product with defects based on a flexible loading and rigid grinding disc matched processing mode;
and 4, step 4: after the processing is finished, the grinding disc is restored to the initial position through the upright column sliding table of the Z-axis lifting mechanism, the flywheel disc semi-finished product is transferred to the position below the laser ranging mechanism through the horizontal sliding table, and the distance between the flywheel disc semi-finished product and the sensor is measured through the laser ranging sensor;
and 5: and the semi-finished product of the flywheel disc is unloaded through demagnetization of the permanent magnetic chuck, and the next semi-finished product of the flywheel disc is fixed through upper magnetism of the permanent magnetic chuck.
The beneficial effects of the invention are as follows:
compared with the prior art, the flywheel disc semi-manufactured product grinding and polishing repair device comprises: the main shaft rotating mechanism is designed based on a processing mode of matching flexible loading with a rigid grinding disc, is used for grinding and polishing a flywheel disc semi-product with defects, and achieves the purpose of flexible loading by virtue of the designed main shaft rotating mechanism so as to ensure the overall processing quality; the Z-axis lifting mechanism is used for lifting the main shaft rotating mechanism, adjusting the distance between the grinding disc and the flywheel disc semi-finished product and adjusting the pressure in the grinding and polishing process through precise force position control; the flywheel disc semi-product fixing mechanism is used for fixing the flywheel disc semi-product, enabling grinding waste to flow out and connecting the flywheel disc semi-product with the moving mechanism; the horizontal moving mechanism is used for horizontally moving the flywheel disc semi-finished product fixing mechanism and transferring the flywheel disc semi-finished product to a grinding and polishing station and a thickness measuring station; and the laser ranging mechanism is used for measuring the thickness of the flywheel disc semi-finished product after grinding and polishing. The structure design is reasonable, the structure is simple under the condition of realizing the function, and the flow is tight; the functions of grinding and polishing repair of the flywheel disc semi-finished product, pressure control, fixation of the flywheel disc semi-finished product, movement of the flywheel disc semi-finished product and automatic thickness measurement are realized; the surface defects generated in the processing and transportation process of the semi-finished product of the flywheel disc are repaired, the problem of position stress concentration of the defects generated on the surface of the flywheel disc is solved, the quality of the semi-finished product of the flywheel disc required by a flywheel related processing enterprise is ensured, a good foundation is laid for the subsequent flywheel stamping processing process and the assembly precision, meanwhile, the waste problem of unqualified semi-finished products of the flywheel disc is solved, and the cost and economic burden of the enterprise is reduced; the flywheel disc semi-finished product grinding and polishing repairing device is high in automation degree, production efficiency is improved, factory benefits are increased, labor is greatly reduced, and factory cost is reduced.
Drawings
Fig. 1 is a schematic view of a mechanical structure of a main shaft rotating mechanism of the flywheel disc semi-finished product grinding and polishing repair device.
FIG. 2 is a schematic structural diagram of a flywheel disc semi-finished product polishing and repairing device of the present invention.
The reference numerals include:
101-main shaft, 102-round nut, 103-stop washer, 104-angular contact ball bearing ball, 105-bearing seat, 106-fixed lower plate, 107-fastener I, 108-disc spring, 109-grinding disc connector, 110-washer, 111-flange nut, 112-thin nut, 113-fastener II, 114-grinding disc and 115-direct current speed reduction motor;
201-servo motor, 202-column sliding table, 203-section bar frame, 204-section bar column, 205-section bar base;
301-water tank, 302-permanent magnetic chuck, 303-magnetic disc press plate, 304-magnetic disc connecting plate;
401-stepping motor, 402-motor connecting plate, 403-horizontal sliding table;
501-laser ranging sensor, 502-sensor connecting plate, 503-section beam and 504-section vertical beam.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present teachings.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a flywheel disc semi-finished product grinding and polishing repairing device, which includes a main shaft rotating mechanism, a Z-axis lifting mechanism and a flywheel disc semi-finished product fixing mechanism, wherein the Z-axis lifting mechanism includes a servo motor 201, an upright column sliding table 202, a profile frame 203, a profile upright column 204 and a profile base 205, wherein the upright column sliding table 202 and the profile upright column 204 are disposed at the top of the profile base 205, the upright column sliding table 202 and the profile upright column 204 are disposed upright in opposite directions, two sides of the profile frame 203 in the length direction are respectively provided with a slider, the profile frame 203 is respectively connected with the upright column sliding table 202 and the profile upright column 204 in a sliding manner through two sliders, and a power end of the servo motor 201 is connected with the profile frame 203 to drive the profile frame 203 to move vertically; the main shaft rotating mechanism is arranged on the section bar frame 203, the bottom of the main shaft rotating mechanism is provided with a grinding disc 114 for grinding and polishing and repairing a semi-finished product of the flywheel disc, the semi-finished product fixing mechanism of the flywheel disc is arranged below the grinding disc 114, and the semi-finished product fixing mechanism of the flywheel disc is used for fixing the semi-finished product of the flywheel disc.
The flywheel disc semi-finished product fixing mechanism comprises a water tank 301, a permanent magnetic chuck 302, a magnetic disc pressing plate 303 and a magnetic disc connecting plate 304, wherein the permanent magnetic chuck 302 is installed on the water tank 301 through the magnetic disc pressing plate 303 and a fastener, and the permanent magnetic chuck 302 is used for electrically adsorbing the flywheel disc semi-finished product.
The flywheel disc semi-finished product grinding and polishing repair device further comprises a horizontal moving mechanism, the horizontal moving mechanism comprises a stepping motor 401, a motor connecting plate 402 and a horizontal sliding table 403, the horizontal sliding table 403 is fixedly installed at the top of the section bar base 205, a power end of the horizontal sliding table 403 is connected with a sliding block, a water tank 301 is installed on the sliding block of the horizontal moving mechanism through a magnetic disc connecting plate 304, the stepping motor 401 is connected to the side face of the horizontal sliding table 403 through the motor connecting plate 402, and the power end of the stepping motor 401 is connected with the horizontal sliding table 403 to drive the flywheel disc semi-finished product fixing mechanism to horizontally move along the setting direction of the horizontal sliding table 403.
The position of the horizontal sliding table 403 at the bottom of the main shaft rotating mechanism is a processing working position, and the horizontal sliding table 403 is also provided with a flywheel disc semi-finished product loading and unloading position; the flywheel disc semi-product loading and unloading position is provided with a laser ranging mechanism, the laser ranging mechanism is arranged above the flywheel disc semi-product loading and unloading position, the laser ranging mechanism, specifically, a laser ranging sensor 501 is in signal connection with a servo motor 201, and the laser ranging mechanism is used for acquiring height position data of a to-be-processed surface of the flywheel disc semi-product so as to control the processing feeding distance of a main shaft rotating mechanism.
Specifically, laser rangefinder constructs including laser rangefinder sensor 501, sensor connecting plate 502 and gate-type section bar, and laser rangefinder sensor 501 passes through sensor connecting plate 502 to be connected on the gate-type section bar, and laser rangefinder sensor 501 is arranged in the top that the half goods of flywheel dish loaded and unloaded the position in horizontal slip table 403.
The main shaft rotating mechanism comprises a main shaft 101, an angular contact ball bearing 104, a bearing seat 105, a fixed lower plate 106, a disc spring 108, a grinding disc connecting piece 109, a grinding disc 114 and a direct current speed reducing motor 115, wherein the main shaft 101 is installed in the bearing seat 105 through the angular contact ball bearing 104, the bearing seat 105 is connected with a profile frame 203 through the fixed lower plate 106, the main shaft 101 is in key connection with the grinding disc connecting piece 109, the main shaft 101 is provided with a shaft shoulder, the upper end of the grinding disc connecting piece 109 is abutted to the main shaft 101 and the shaft shoulder through the disc spring 108, the grinding disc 114 is installed at the lower end of the grinding disc connecting piece 109, and the power end of the direct current speed reducing motor 115 is connected to the top end of the main shaft 101 to drive the main shaft 101, the grinding disc connecting piece 109 and the grinding disc 114 to rotate;
the disc spring 108 is pre-tensioned and has a compression amount and a rebound amount, when the disc spring 108 is used for contacting the grinding disc 114 with the flywheel disc semi-finished product, the grinding disc 114 can move slightly upwards, and deformation of the main shaft 101 and the grinding disc 114 when a rigid structure is in stressed contact is prevented.
The specific structure of the flywheel disc semi-finished product grinding and polishing repair device is described in detail below.
As shown in fig. 1, the main shaft rotating mechanism is composed of a main shaft 101, a round nut 102, a stop washer 103, an angular contact ball bearing 104, a bearing seat 105, a fixed lower plate 106, a fastener i 107, a belleville spring 108, a grinding disc connecting member 109, a washer 110, a flange nut 111, a thin nut 112, a fastener ii 113, a grinding disc 114 and a direct current speed reduction motor 115; the direct current gear motor 115 is installed on a profile frame 203 of the Z-axis lifting mechanism through an upper connecting plate and a fastening piece of the profile frame 203, the upper end of an inner ring of the angular contact ball bearing 104 is fixed by a round nut 102 and a stop washer 103, the lower end of the inner ring of the angular contact ball bearing 104 is supported by a shaft shoulder of the main shaft 101, the upper end of an outer ring of the paired angular contact ball bearing 104 is fixed by the stop washer 103, the lower end of the outer ring of the angular contact ball bearing 104 is supported by a surface of a bearing seat 105, and the outer circular surface of the paired angular contact ball bearing 104 is supported by the bearing seat 105. An external spline is processed on the main shaft 101, an internal spline is processed on the grinding disc connecting piece 109, and the two are matched to form a spline pair. The spline pair and the disc spring 108 form a flexible loading mechanism, the disc spring 108 is pre-tightened by a flange nut 111 and a thin nut 112 at the lower end of the main shaft 101 during installation, the disc spring 108 has certain compression amount and rebound amount, and in order that the grinding disc 114 can move slightly upwards when the grinding disc 114 is in contact with a semi-finished product of a flywheel disc, the deformation of the main shaft 101 and the grinding disc 114 when a rigid structure is stressed and contacted is prevented. Rotating the flange nut 111 and the thin nut 112 adjusts the height of the disc attachment 109 relative to the shoulder to adjust the amount of compression of the disc spring 108. Meanwhile, the main function is to play a role in flexible loading when the flywheel disc semi-product is ground and polished, when the grinding disc 114 is in contact with the flywheel disc semi-product, the level error between the grinding disc and the flywheel disc semi-product is controlled through the yielding and flexible loading characteristics of the flexible loading mechanism, the integral flatness of the flywheel disc semi-product in the grinding and polishing processing process is guaranteed, and the integral processing quality is indirectly guaranteed. The fastener I107 and the fastener II 113 are both a bolt and nut set, the fastener I107 is used for connecting the bearing seat 105 and fixing the lower plate 106, and the fastener II 113 is used for connecting the grinding disc connecting piece 109 and the grinding disc 114.
In the embodiment of the present invention, as shown in fig. 2, the Z-axis lifting mechanism is composed of a servo motor 201, an upright column sliding table 202, a profile frame 203, a profile upright column 204, and a profile base 205; the servo motor 201 is installed on the upright column sliding table 202 through a motor connecting seat and a fastener, the upright column sliding table 202 is installed on the section bar base 205 through a G-shaped clamp and a fastener, the section bar frame 203 is installed on the upright column sliding table 202 and the section bar upright column 204 through a left connecting plate, a right connecting plate and a fastener, and the section bar upright column 204 is installed on the section bar base 205 through a section bar corner piece and a fastener; the pressure regulating device is used for lifting the main shaft rotating mechanism, regulating the distance between the grinding disc 114 and the flywheel disc semi-finished product and regulating the pressure in the grinding and polishing process through precise force position control.
In the embodiment of the invention, as shown in fig. 2, the flywheel disc semi-finished product fixing mechanism is composed of a water tank 301, a permanent magnetic chuck 302, a magnetic disc pressing plate 303 and a magnetic disc connecting plate 304; a water tank 301 is arranged on a sliding block of the horizontal moving mechanism through a magnetic disk connecting plate 304 and a fastener, a permanent magnetic chuck 302 is arranged on the water tank 301 through a magnetic disk pressing plate 303 and the fastener, and a flywheel disc semi-finished product is fixed on the permanent magnetic chuck 302; the device is used for fixing the flywheel disc semi-finished product, discharging grinding waste and connecting with a moving mechanism.
In the embodiment of the present invention, as shown in fig. 2, the horizontal moving mechanism is composed of a stepping motor 401, a motor connecting plate 402, and a horizontal sliding table 403; the stepping motor 401 is arranged on the horizontal sliding table 403 through a motor connecting plate 402 and a fastener; the device is used for horizontally moving the flywheel disc semi-finished product fixing mechanism and transferring the flywheel disc semi-finished product to a grinding and polishing station and a thickness measuring station.
In the embodiment of the present invention, as shown in fig. 2, the laser ranging mechanism is composed of a laser ranging sensor 501, a sensor connecting plate 502, a profile cross beam 503, and a profile vertical beam 504; the laser ranging sensor 501 is installed on a profile cross beam 503 through a sensor connecting plate 502 and a fastener, the profile cross beam 503 and a profile vertical beam 504 are connected together through a profile corner piece and a fastener, and the profile vertical beam 504 is installed on a profile base 205 through the profile corner piece and the fastener; the thickness measuring device is used for measuring the thickness of the flywheel disc semi-finished product after grinding and polishing.
In the embodiment of the invention, the structural design is reasonable, the structure is simple under the condition of realizing the function, and the flow is tight; the functions of grinding and polishing repair of the flywheel disc semi-finished product, pressure control, fixation of the flywheel disc semi-finished product, movement of the flywheel disc semi-finished product and automatic thickness measurement are realized; the surface defects generated in the processing and transportation of the flywheel disc semi-finished product are repaired, the problem of position stress concentration of the defects generated on the surface of the flywheel disc is solved, the quality of the flywheel disc semi-finished product required by a flywheel related processing enterprise is ensured, a good foundation is laid for the subsequent flywheel stamping processing technology and the assembly precision, the waste problem of unqualified flywheel disc semi-finished products is solved, and the cost and economic burden of the enterprise is reduced; the flywheel disc semi-finished product grinding and polishing repairing device is high in automation degree, production efficiency is improved, factory benefits are increased, labor is greatly reduced, and factory cost is reduced.
Example 2
The flywheel disc semi-finished product grinding and polishing repairing method provided by the embodiment uses the flywheel disc semi-finished product grinding and polishing repairing device provided by the embodiment 1, and comprises the following steps,
step 1: placing the flywheel disc semi-finished product on a permanent magnet sucker 302, fixing the flywheel disc semi-finished product through the upper magnetism of the permanent magnet sucker 302, transferring the flywheel disc semi-finished product to the lower part of a main shaft rotating mechanism through a horizontal sliding table 403, and adjusting the position of the flywheel disc semi-finished product to enable the flywheel disc semi-finished product and a grinding disc 114 to be coaxial;
step 2: transferring the flywheel disc semi-finished product to the position below a laser ranging mechanism through a horizontal sliding table 403, and measuring the distance between the flywheel disc semi-finished product and a sensor by a laser ranging sensor 501;
and step 3: the flywheel disc semi-finished product is transferred to the lower part of the main shaft rotating mechanism through the horizontal sliding table 403, the gap between the grinding disc 114 and the flywheel disc semi-finished product is adjusted through the rotation of a servo motor 201 of a Z-axis lifting mechanism and the lifting of the upright column sliding table 202, and the flywheel disc semi-finished product with defects is ground and polished based on the processing mode of matching flexible loading and the rigid grinding disc 114;
and 4, step 4: after the processing is finished, the grinding disc 114 is restored to the initial position through the upright column sliding table 202 of the Z-axis lifting mechanism, the flywheel disc semi-finished product is transferred to the position below the laser ranging mechanism through the horizontal sliding table 403, and the distance between the flywheel disc semi-finished product and the sensor is measured through the laser ranging sensor 501;
and 5: the semi-finished flywheel disc is unloaded through demagnetization of the permanent magnetic chuck 302, and the next semi-finished flywheel disc is fixed through the upper magnetism of the permanent magnetic chuck 302.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and many variations in the specific embodiments and applications of the invention may be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the claims of this patent.
Claims (7)
1. The utility model provides a flywheel dish semifinished product grinds throws prosthetic devices which characterized in that: the profile rack comprises a main shaft rotating mechanism, a Z-axis lifting mechanism and a flywheel disc semi-product fixing mechanism, wherein the Z-axis lifting mechanism comprises a servo motor, a stand column sliding table, a profile rack, a profile stand column and a profile base, the stand column sliding table and the profile stand column are arranged at the top of the profile base, the stand column sliding table and the profile stand column are arranged vertically in opposite directions, two sides of the length direction of the profile rack are respectively provided with a sliding block, the profile rack is respectively in sliding connection with the stand column sliding table and the profile stand column through the two sliding blocks, and the power end of the servo motor is connected with the profile rack so as to drive the profile rack to vertically move; the main shaft rotating mechanism is installed on the section bar frame, the bottom of the main shaft rotating mechanism is a grinding disc used for grinding and polishing and repairing a flywheel disc semi-finished product, the flywheel disc semi-finished product fixing mechanism is arranged below the grinding disc, and the flywheel disc semi-finished product fixing mechanism is used for fixing the flywheel disc semi-finished product.
2. The flywheel disc semi-manufactured product grinding and polishing repair device according to claim 1, characterized in that: the flywheel disc semi-product fixing mechanism comprises a water tank, a permanent magnetic chuck, a magnetic disc pressing plate and a magnetic disc connecting plate, wherein the permanent magnetic chuck is installed on the water tank through the magnetic disc pressing plate and a fastening piece, and the permanent magnetic chuck is used for electrifying and adsorbing the flywheel disc semi-product.
3. The flywheel disc semi-manufactured product grinding and polishing repair device according to claim 2, characterized in that: flywheel dish semi-manufactured goods grinds and throws prosthetic devices still includes horizontal migration mechanism, horizontal migration mechanism includes step motor, motor connecting plate and horizontal slip table, horizontal slip table fixed mounting is at section bar base top, and the power end link block of horizontal slip table, the basin passes through the disk connecting plate and installs on horizontal migration mechanism's slider, step motor passes through the motor connecting plate and connects the side at horizontal slip table, and step motor's power end is connected with horizontal slip table to drive flywheel dish semi-manufactured goods fixed establishment along horizontal slip table set up direction horizontal migration.
4. The flywheel disc semi-manufactured product grinding and polishing repair device according to claim 3, wherein: the position of the horizontal sliding table at the bottom of the main shaft rotating mechanism is a processing working position, and the horizontal sliding table is also provided with a flywheel disc semi-product loading and unloading position; the laser ranging mechanism is arranged above the flywheel disc semi-product loading and unloading position and is in signal connection with the servo motor, and the laser ranging mechanism is used for acquiring height position data of a to-be-processed surface of the flywheel disc semi-product so as to control the processing feeding distance of the main shaft rotating mechanism.
5. The flywheel disk semi-finished product grinding and polishing repair device according to claim 4, wherein: laser rangefinder mechanism includes laser rangefinder sensor, sensor connecting plate and gate-type section bar, the laser rangefinder sensor passes through the sensor connecting plate and connects on the gate-type section bar, and the laser rangefinder sensor is arranged in the top that the semi-manufactured goods dress of horizontal slip table flywheel dish unloaded the position.
6. The flywheel disc semi-manufactured product grinding and polishing repair device according to claim 1, characterized in that: the main shaft rotating mechanism comprises a main shaft, angular contact ball bearing balls, a bearing seat, a fixing lower plate, a disc spring, a grinding disc connecting piece, a grinding disc and a direct-current speed reduction motor, wherein the main shaft is installed in the bearing seat through the angular contact ball bearing balls, the bearing seat is connected with the profile frame through the fixing lower plate, the main shaft is connected with the grinding disc connecting piece through a key, the main shaft is provided with a shaft shoulder, the upper end of the grinding disc connecting piece is abutted to the main shaft and the shaft shoulder through the disc spring, the grinding disc is installed at the lower end of the grinding disc connecting piece, and the power end of the direct-current speed reduction motor is connected to the top end of the main shaft to drive the main shaft, the grinding disc connecting piece and the grinding disc to rotate;
the disc spring is pre-tightened and has a compression amount and a rebound amount, and when the disc spring is used for contacting a grinding disc with a semi-finished product of the flywheel disc, the grinding disc can move upwards in a micro-motion manner, so that deformation of the main shaft and the grinding disc when the rigid structure is stressed and contacted is prevented.
7. A flywheel disc semi-manufactured product grinding and polishing repairing method, which uses the flywheel disc semi-manufactured product grinding and polishing repairing device of claim 5, and is characterized in that: comprises the following steps of (a) carrying out,
step 1: placing the flywheel disc semi-finished product on a permanent magnetic chuck, fixing the flywheel disc semi-finished product through the upper magnetism of the permanent magnetic chuck, transferring the flywheel disc semi-finished product to the lower part of a main shaft rotating mechanism through a horizontal sliding table, and adjusting the position of the flywheel disc semi-finished product to enable the flywheel disc semi-finished product and a grinding disc to be coaxial;
step 2: transferring the flywheel disc semi-finished product to the position below a laser ranging mechanism through a horizontal sliding table, and measuring the distance between the flywheel disc semi-finished product and a sensor by a laser ranging sensor;
and step 3: the semi-finished flywheel disc is transferred to the lower part of the main shaft rotating mechanism through the horizontal sliding table, the gap between the grinding disc and the semi-finished flywheel disc is adjusted through the rotation of a servo motor of the Z-axis lifting mechanism and the lifting of the upright column sliding table, and the semi-finished flywheel disc with defects is ground and polished based on a flexible loading and rigid grinding disc matched processing mode;
and 4, step 4: after the processing is finished, the grinding disc is restored to the initial position through the upright column sliding table of the Z-axis lifting mechanism, the flywheel disc semi-finished product is transferred to the position below the laser ranging mechanism through the horizontal sliding table, and the distance between the flywheel disc semi-finished product and the sensor is measured through the laser ranging sensor;
and 5: and the semi-finished product of the flywheel disc is unloaded through demagnetization of the permanent magnetic chuck, and the next semi-finished product of the flywheel disc is fixed through upper magnetism of the permanent magnetic chuck.
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| CN202210438082.2A CN114888651B (en) | 2022-04-25 | 2022-04-25 | Flywheel disc semi-product grinding and polishing repair device and repair method |
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| CN114888651B (en) | 2023-03-21 |
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