CN113814235B - Precision die casting surface treatment device with damage repair function - Google Patents
Precision die casting surface treatment device with damage repair function Download PDFInfo
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- CN113814235B CN113814235B CN202111400212.5A CN202111400212A CN113814235B CN 113814235 B CN113814235 B CN 113814235B CN 202111400212 A CN202111400212 A CN 202111400212A CN 113814235 B CN113814235 B CN 113814235B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0007—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by explosions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
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- 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
- B23P6/00—Restoring or reconditioning objects
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- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a precision die casting surface treatment device with a damage repairing function, and relates to the technical field of die casting surface treatment. The transfer assembly realizes automatic station change in the machining process of die castings, avoids manual participation and can reduce the probability of safety accidents in the machining process of workpieces. The invention realizes the self-circulation of the rotation of the metal ball through the air inlet unit, increases the contact area between the metal ball and the external input gas, switches the state of the metal ball through the switching of the rotation angle and realizes the directional transportation of impurity particles.
Description
Technical Field
The invention relates to the technical field of die casting surface treatment, in particular to a precise die casting surface treatment device with a damage repairing function.
Background
The die casting is produced by pouring liquid copper, zinc, aluminum alloy and the like into a feeding port of a die casting machine and molding a workpiece through a casting mold. The die casting can be used for manufacturing parts with various special shapes, the tubular die casting with the printing in industrial production is a die casting with high requirements, the surface appearance of the die casting is annular, the outer surface of the annular die casting is provided with the precise printing, and the die casting of the KN95 mask is the die casting of the die casting. Traditional die casting surface treatment device is not good enough in treatment effect when to this kind of tubulose stamp die casting, and the stamp technology requires the precision higher, and stamp structure is complicated, and more dead angle can appear in traditional surface treatment mode, can't get rid of impurity, arch, burr etc. attached to the workpiece surface in the die-casting process. Part equipment can use the form of thermal explosion to carry out surface treatment to complicated work piece, but mix the fly ash granule easily in the gas of thermal explosion, inside the fly ash granule imbeds die casting easily at the thermal explosion in-process, and the embedding of impurity granule leads to the inside stress concentration that appears of die casting easily, has reduced the life of die casting. On the other hand, the heat explosion surface treatment mode has limited treatment effect on the inner pipe wall of the tubular die casting, and treatment dead angles are easy to generate. The traditional die casting surface treatment device lacks the damage repair function, and the condition of NG easily appears in the die casting that it was handled.
Disclosure of Invention
The present invention has been made to solve the above problems occurring in the prior art, and an object of the present invention is to provide a surface treatment apparatus for precision die castings with a damage repairing function.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a precision die casting surface treatment device of collateral damage restoration function, including moving the year subassembly, the surface treatment subassembly, the damage is restoreed the subassembly, the underframe, move the year subassembly, the surface treatment subassembly, damage is restoreed subassembly and underframe upper surface fastening connection, move the year subassembly from the surface treatment subassembly, pass in the damage is restoreed the subassembly, the damage is restoreed the subassembly and is included the restoration case, the displacement module, flexible electric jar, the industry camera, contact member, restore case and underframe upper surface fastening connection, the displacement module is connected with the lower surface fastening of restoration case upside inner wall, the displacement platform fastening connection of flexible electric jar and displacement module, flexible electric jar side is provided with the industry camera, the output shaft and the contact member fastening connection of flexible electric jar. The clamping plate is provided with a rotating mechanism, the rotating mechanism belongs to the conventional means in the field, the specific structure is not described, and after the tubular die casting is fixed by the clamping plate, the angle of the tubular die casting can be adjusted through the rotating mechanism. The displacement module can drive tubular die castings in turn to be conveyed to the surface treatment assembly and then conveyed to the damage repair assembly. In repairing the incasement, industry camera cooperation slewing mechanism can confirm impaired position, and the piston rod of flexible electric jar stretches out after confirming the position, and contact member covers impaired position, restores the damage. The transfer assembly realizes automatic station change in the machining process of die castings, avoids manual participation and can reduce the probability of safety accidents in the machining process of workpieces.
Further, move and carry subassembly including driving motor, the lead screw, the displacement nut, the slider, the guide rail, the mounting panel, the locating part, driving motor and underframe upper surface fastening connection, lead screw one end and driving motor's output shaft fastening connection, the one end that driving motor was kept away from to the lead screw is provided with the supporting seat, supporting seat and underframe upper surface fastening connection, lead screw and supporting seat rotate to be connected, the displacement nut cover is on the lead screw, displacement nut top and mounting panel fastening connection, guide rail and underframe upper surface fastening connection, slider and mounting panel lower surface fastening connection, slider and guide rail sliding connection, locating part and mounting panel upper surface connection. The driving motor drives the lead screw to rotate, the position of the displacement nut is adjusted, the displacement nut drives the mounting plate to move, the mounting plate drives the positioning component to move, and the positioning component conveys the die castings to be processed to the surface treatment assembly and the damage repair assembly in sequence. According to the die casting machining method, automatic station change is realized in the die casting machining process, manual participation is avoided, and the probability of safety accidents in the workpiece machining process can be reduced.
Further, the locating component includes the closing plate, the grip block, the closing plate has two, two closing plates lean on both sides position to be connected with the mounting panel upper surface respectively, the closing plate passes through bolt and mounting panel fastening connection, the grip block has two, the mounting panel upper surface is provided with the spout, grip block and spout sliding connection, the inside location fixture block that is provided with of spout, location fixture block and spout sliding connection, location fixture block accessible screw is blocked and is died in the spout, be provided with the annular ring on the grip block, the annular ring both sides are provided with the ring channel. The sealing plate can be quickly disassembled, when the annular compression roller needs to be fixed, the annular compression roller is firstly fixed between the two clamping plates, the annular groove fixes two ends of the annular compression roller, positioning clamping blocks on two sides of the clamping plates are fixed through screws, and the positions of the clamping plates are completely fixed. And then the sealing plate is detached, the air guide rod is inserted into the annular compression roller, the sealing plate is remounted, and the air guide rod is fixed on the sealing plate.
Further, the surface treatment subassembly is including handling the case, admitting air the unit, the exhaust unit, handles case and underframe upper surface fastening and connects, handles the case both sides and is provided with the opening, and the unit of admitting air has two places, and the unit symmetry of admitting air of two places sets up and leans on both sides position at handling incasement wall top, and a unit of admitting air links to each other with outside oxygen pipeline, and another unit of admitting air links to each other with outside methane pipeline, and the exhaust unit is installed between the closing plate. When the positioning component moves into the processing box, the sealing plate seals openings at two ends of the processing box, the mounting plate seals the lower part of the processing box, the processing box seals the annular compression roller to be processed, the gas inlet unit inputs mixed gas of methane and oxygen into the processing box, the processing box is also internally provided with an automatic ignition device, after the input of the gas is finished, the mixed gas is ignited, and high temperature and high pressure generated by deflagration remove impurity particles, burrs and protrusions on the surface of a workpiece. The invention realizes the comprehensive treatment of the complex surface of the annular compression roller by the mode and avoids the occurrence of dead angles.
Further, the air inlet unit comprises an air inlet box, an air inlet filter screen, an upper polar plate, a lower polar plate, an adsorption plate, a rotary column, a leakage net and an air outlet, the air inlet box is fixedly connected with the inner wall of the treatment box, the air inlet filter screen is arranged at the upper end of the side wall of one side of the air inlet box, the air inlet filter screen is connected with an external air supply pipeline through a connecting pipe, a control valve is arranged in the connecting pipe, the air outlet is arranged on the side wall of the other side of the air inlet box, the upper polar plate is embedded into the inner side wall of the upper side wall of the air inlet box, the adsorption plate is fixedly connected with the lower surface of the upper side wall of the air inlet box, the lower polar plate is fixedly connected with the upper surface of the lower side wall of the air inlet box, the leakage net is fixedly connected with the middle lower side position of the inner side wall of the air inlet box, the upper polar plate is connected with the positive pole of an external power supply, the lower polar plate is connected with the negative pole of the external power supply, a plurality of rotary columns are uniformly distributed in the air inlet box, the two ends of the rotary columns are respectively and fixedly connected with the two sides of the inner wall of the air inlet box, the column spinner includes the center post, the division board, the annular cover, first conducting strip, the second conducting strip, rotatory ring, contact block, the center post both ends respectively with the box inner wall both sides fastening connection that admits air, evenly distributed has a plurality of division board on the center post, division board and center post fastening connection, the division board both sides are provided with the annular cover, annular cover inner circle and first conducting strip, second conducting strip fastening connection, first conducting strip, the second conducting strip is the semicircle ring type, first conducting strip and external power source negative pole link to each other, second conducting strip and outside ground wire link to each other, rotatory ring has a plurality of, rotatory ring and center post rotate to connect, rotatory ring distribution is between the division board, contact block and rotatory ring lateral wall fastening connection, be connected with the wire on the contact block, wire outside cover has insulating cover, the one end that contact block was kept away from to the wire is connected with the metal ball. In the initial stage of operation of the equipment, the second conductive sheet is firstly connected with the negative electrode of the primary power supply, the metal ball is attached with negative charges, the metal ball is adsorbed and flown up under the action of the upper polar plate and the lower polar plate, when the metal ball is positioned between the air inlet filter screen and the air outlet, the external air can push the metal ball to move, the metal ball is attached with the negative charges and receives the suction force of the upper polar plate, the gravity of the metal ball is overcome in the process, the metal ball is suspended by the resultant force, the metal ball is suspended at the position close to the upper polar plate, particle impurities mixed in the external air can be adsorbed by the charged metal ball at the moment, the gravity of the metal ball is increased along with the adsorption of the impurities, the metal ball can fall, the metal ball is gradually far away from the upper polar plate in the falling process, the adsorption force from the upper polar plate on the metal ball is reduced, the falling speed of the metal ball is accelerated, and the combined action of wind power and the gravity can promote the metal ball which adsorbs the impurities to fall obliquely, the metal ball is connected with the wire, the metal ball needs to rotate around the rotating ring when falling, the rotating ring drives the contact block to rotate when rotating, the contact block can be respectively contacted with the first conducting strip and the second conducting strip when rotating, the second conducting strip is cut back to be connected with the ground wire when the contact block is contacted with the second conducting strip, negative charges attached to the metal ball are transmitted, impurities on the metal ball are not captured any more, and the impurities are thrown to the leakage net under the action of rotation inertia. The metal ball swings upwards under the action of rotation inertia, when the contact block is switched to be in contact with the second conducting strip, the metal ball carries negative charges again, the metal ball is adsorbed by the upper polar plate and floats, and impurity particles in external input gas are captured again. The invention realizes the self-circulation of the metal ball rotation, increases the contact area between the metal ball and the external input gas, switches the state of the metal ball through the switching of the rotation angle, and realizes the directional transportation of the impurity particles.
Further, the meshes of the air inlet filter screen are arranged obliquely upwards. When the impurity particles pass through the air inlet filter screen along with external air, the mesh can guide the running direction of the impurity particles, the oblique upward direction is arranged to guide more impurity particles to gather to a position close to the upper polar plate, the electric charge carried by the upper polar plate can also cause the impurity particles to have a certain degree of electric charge polarity deviation, the impurity particles can slowly float upwards in the moving process along with the air flow, the floating upwards increases the gathering of the impurity particles, the adsorbed impurity particles are less when the metal balls float by just obtaining positive electric charge, at the moment, the gravity of the metal balls is smaller, the metal balls can hover at a higher position, more impurities can contact with the metal balls with less adsorbed impurities by the mode, the impurity adsorption rate is greatly improved, a small part of unadsorbed impurities continue to move upwards to be captured by the adsorption plate, and the interior of the adsorption plate is filled with a filter material, the dust and impurities can be temporarily stored, and only the dust and impurities need to be cleaned regularly.
Further, the exhaust unit includes the air guide rod, the air discharge pump, helical blade, air guide rod both ends and closing plate fastening connection, the inside venthole that is provided with of closing plate, venthole one end and air guide rod UNICOM, the venthole other end is provided with the air discharge pump, air discharge pump and outside waste gas recovery pipeline link to each other, the inside airflow channel that is provided with of air guide rod, the air guide rod outside is provided with helical blade, helical blade sets up along air guide rod central point symmetry, be provided with the antithetical couplet through-hole on the air guide rod lateral wall, the inside check valve that is provided with of antithetical couplet through-hole, it distributes between each section helical blade to ally oneself with the through-hole. When the surface of the die casting is cleaned, the surface of the die casting can be covered without dead angles in a thermal explosion surface treatment mode, but the dead angles are still easily treated on the inner wall of the tubular die casting. The helical blade arranged on the air guide rod of the invention can guide the input air flow which rotates along the helical direction, the spiral blades are symmetrically arranged, so that the rotating directions of the external air flow input from the two sides of the air guide rod are opposite, air current offset can appear in tubulose die casting central point department of putting, and then produce the impact, tubulose die casting central point puts the cleaning performance worst that receives at the thermal explosion in-process, can just in time carry out the secondary clearance to it through the air current offset this moment, the foreign particles and the surperficial residue of clearance receive the guide of each antithetical couplet through-hole, can directly remove in the air guide pole, the secondary fish tail of abscission thing to the work piece internal surface has been avoided, helical blade links the face of blockking between the through-hole as each, the abscission thing that also can avoid different positions takes place the striking.
Further, the contact part includes annular plate, gasbag piece, packing chamber, conducting film, and the output shaft fastening connection of annular plate and flexible electric jar, and the annular plate inboard is provided with the inner ring groove, and the inside a plurality of gasbag piece that is provided with of inner ring groove, a plurality of gasbag piece laminate each other, and outer edge of inner ring groove lateral wall and conducting film fastening connection, conducting film and external power source looks UNICOM are provided with the packing chamber between conducting film and the gasbag piece. The invention is mainly designed aiming at an aluminum die casting, an aluminum block is placed in a filling cavity, a conductive film can be made of a material with good ductility, high melting point and good conductivity, such as a copper film, and the like, when an annular plate is attached to a damaged part of the die casting under the driving of a displacement module and a telescopic electric cylinder, the copper film is tightly pressed on the surface of the die casting, a plurality of openings are arranged on the surface of the copper film, an insulating film is wrapped on the surface of the copper film, when the copper film is electrified, heat accumulation is generated, the aluminum block is softened under the action of heat, gas in an air bag block expands, the softened aluminum block pushes the copper film to be close to the surface of the die casting, at the damaged part of the surface of the die casting, the copper film is stretched and extruded into a gap, the copper film generates a bulge at the position, charges are more easily accumulated at the bulge position due to the tip accumulation effect of the charges, the corresponding heat productivity is also improved, and the heat value of current passing through the copper film is set to be in a critical value of the aluminum block molten state under a normal state, then under the effect of the most advanced gathering of electric charge, the aluminium piece of broken gap department can produce local melting, the inflation value that the gasbag piece department that corresponds produced is also bigger, aluminium after the liquefaction is promoted by the gasbag piece, extrude into in the trompil on the copper film, the copper film originally by the crowded gap in by the extension strut, the copper film can tend to the recovery state when liquefied aluminium passes the copper film this moment, liquefied aluminium can fill the gap, after filling the completion, the copper film can resume levelly and smoothly, the electric charge gathering scatters, the restoration department temperature resumes normally, the solidification of liquefied aluminium. According to the method, the precise die casting is repaired, on one hand, the broken part can be accurately identified, on the other hand, the repairing amount can be intelligently adjusted, the situation that the repairing material is too little or too much is avoided, the periphery of the repairing area is synchronously heated during repairing, the situation that the repairing part cannot be compatible with the original base material due to too large temperature difference can be avoided, and the repairing stability is greatly improved.
Compared with the prior art, the invention has the following beneficial effects: the invention realizes the self-circulation of the rotation of the metal ball through the air inlet unit, increases the contact area between the metal ball and the external input gas, switches the state of the metal ball through the switching of the rotation angle and realizes the directional transportation of impurity particles. According to the invention, the helical blades arranged on the air guide rod can guide input air flow, the input air flow rotates along the helical direction, and can be more attached to the surface of the inner wall under the action of centrifugal force, so that the optimal cleaning effect is achieved, the helical blades are symmetrically arranged, so that the rotating directions of external air flows input from two sides of the air guide rod are opposite, air flow hedging can occur at the central position of the tubular die casting, further impact is generated, the cleaning effect received by the central position of the tubular die casting in the thermal explosion process is the worst, at the moment, secondary cleaning can be just carried out on the tubular die casting through the air flow hedging, the cleaned impurity particles and surface residues are guided by each communicating hole, and can directly move into the air guide rod, and secondary scratching of the inner surface of a workpiece by fallen object is avoided. The contact component repairs the precise die casting, on one hand, the broken part can be accurately identified, on the other hand, the repairing amount can be intelligently adjusted, the situation that the repairing material is too little or too much is avoided, the periphery of a repairing area is synchronously heated during repairing, the situation that the repairing position cannot be compatible with an original base material due to too large temperature difference can be avoided, and the repairing stability is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the surface treating assembly of the present invention;
FIG. 3 is a schematic view of the internal structure of the air intake unit of the present invention;
FIG. 4 is a cross-sectional view of the overall structure of the spin column of the present invention;
FIG. 5 is a side sectional view A-A of FIG. 4;
FIG. 6 is a cross-sectional view of the exhaust unit of the present invention;
FIG. 7 is a schematic view of the internal structure of the damage repair assembly of the present invention;
FIG. 8 is a side view of the contact member of the present invention;
FIG. 9 is a partial cross-sectional view of a contact component of the present invention;
in the figure: 1-transfer assembly, 11-driving motor, 12-screw rod, 13-displacement nut, 14-sliding block, 15-guide rail, 16-mounting plate, 17-positioning component, 171-sealing plate, 172-clamping plate, 2-surface treatment assembly, 21-treatment box, 22-air inlet unit, 221-air inlet box, 222-air inlet filter screen, 223-upper pole plate, 224-lower pole plate, 225-adsorption plate, 226-rotating column, 2261-central column, 2262-separation plate, 2263-annular sleeve, 2264-first conducting plate, 2265-second conducting plate, 2266-rotating ring, 2267-contact block, 227-leakage net, 23-exhaust unit, 231-air guide rod, 232-exhaust pump, 233-helical blade, 3-damage repair component, 31-repair box, 32-displacement module, 33-telescopic electric cylinder, 34-industrial camera, 35-contact component, 351-annular plate, 352-air bag block, 353-filler cavity, 354-conductive film and 4-lower frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides the following technical solutions:
as shown in fig. 1-9, a precision die casting surface treatment device with damage repairing function comprises a transfer component 1, a surface treatment component 2, a damage repairing component 3 and a lower frame 4, wherein the transfer component 1, the surface treatment component 2, the damage repairing component 3 and the lower frame 4 are connected in a surface fastening manner, the transfer component 1 penetrates through the surface treatment component 2 and the damage repairing component 3, the damage repairing component 3 comprises a repairing box 31, a displacement module 32, a telescopic electric cylinder 33, an industrial camera 34 and a contact component 35, the repairing box 31 and the lower frame 4 are connected in a surface fastening manner, the displacement module 32 and the repairing box 31 are connected in a lower surface fastening manner on the upper inner wall of the repairing box 31, the telescopic electric cylinder 33 and a displacement platform of the displacement module 32 are connected in a fastening manner, the industrial camera 34 is arranged on the side edge of the telescopic electric cylinder 33, and the output shaft of the telescopic electric cylinder 33 and the contact component 35 are connected in a fastening manner. The clamping plate 172 is provided with a rotating mechanism, the rotating mechanism belongs to the conventional means in the field, the specific structure is not described, and after the tubular die casting is fixed by the clamping plate 172, the angle of the tubular die casting can be adjusted through the rotating mechanism. The displacement module 32 in turn drives the tubular die cast part into the surface treating assembly 2 and then into the damage repair assembly 3. In the repair box 31, the industrial camera 34 cooperates with the rotating mechanism to determine the damaged position, after the position is determined, the piston rod of the telescopic electric cylinder 33 extends out, and the contact component 35 covers the damaged position to repair the damage. The transfer assembly 1 realizes automatic station change in the machining process of die castings, avoids manual participation and can reduce the probability of safety accidents in the machining process of workpieces.
Move and carry subassembly 1 including driving motor 11, lead screw 12, displacement nut 13, slider 14, guide rail 15, mounting panel 16, locating part 17, driving motor 11 and 4 upper surface fastening of underframe connect, lead screw 12 one end and driving motor 11's output shaft fastening connection, the one end that driving motor 11 was kept away from to lead screw 12 is provided with the supporting seat, supporting seat and 4 upper surface fastening connection of underframe, lead screw 12 and supporting seat rotate to be connected, displacement nut 13 cover is on lead screw 12, 13 top and the 16 fastening connection of displacement nut, guide rail 15 and 4 upper surface fastening connection of underframe, slider 14 and the 16 lower surface fastening connection of mounting panel, slider 14 and 15 sliding connection of guide rail, locating part 17 and 16 upper surface connection of mounting panel. The driving motor 11 drives the screw rod 12 to rotate, the position of the displacement nut 13 is adjusted, the displacement nut 13 drives the mounting plate 16 to move, the mounting plate 16 drives the positioning component 17 to move, and the positioning component 17 conveys the die castings to be processed to the surface treatment assembly 2 and the damage repair assembly 3 in sequence. According to the die casting machining method, automatic station change is realized in the die casting machining process, manual participation is avoided, and the probability of safety accidents in the workpiece machining process can be reduced.
The positioning component 17 comprises a sealing plate 171, a clamping plate 172, the sealing plate 171 has two, two sealing plates 171 are respectively connected with the upper surface of the mounting plate 16 by two side positions, the sealing plate 171 is tightly connected with the mounting plate 16 through bolts, the clamping plate 172 has two blocks, the upper surface of the mounting plate 16 is provided with a sliding groove, the clamping plate 172 is connected with the sliding groove in a sliding manner, a positioning fixture block is arranged inside the sliding groove, the positioning fixture block is connected with the sliding groove in a sliding manner, the positioning fixture block can be clamped in the sliding groove through screws, an annular hole is formed in the clamping plate, and annular grooves are formed in two sides of the annular hole. The sealing plate 171 of the invention can be quickly disassembled, when the annular compression roller needs to be fixed, the annular compression roller is firstly fixed between the two clamping plates 172, the two ends of the annular compression roller are fixed by the annular grooves, the positioning clamping blocks at the two sides of the clamping plates 172 are fixed by screws at the moment, and the positions of the clamping plates 172 are completely fixed. The seal plate 171 is removed, the air guide bar 231 is inserted into the ring roll, the seal plate 171 is remounted, and the air guide bar 231 is fixed to the seal plate.
The surface treatment component 2 comprises a treatment box 21, an air inlet unit 22 and an exhaust unit 23, the upper surfaces of the treatment box 21 and the lower frame 4 are fixedly connected, openings are arranged on two sides of the treatment box 21, the air inlet unit 22 is provided with two positions, the two air inlet units 22 are symmetrically arranged on the top of the inner wall of the treatment box 21 close to the two sides, one air inlet unit 22 is connected with an external oxygen conveying pipeline, the other air inlet unit 22 is connected with an external methane conveying pipeline, and the exhaust unit 23 is arranged between sealing plates 171. When the positioning component 17 moves into the processing box 21, the sealing plate 171 seals the openings at the two ends of the processing box 21, the mounting plate 16 seals the lower part of the processing box 21, at the moment, the processing box 21 seals the annular compression roller to be processed, the gas inlet unit 22 inputs mixed gas of methane and oxygen into the processing box 21, the processing box 21 is also internally provided with an automatic ignition device, after the input of the gas is finished, the mixed gas is ignited, and the high temperature and high pressure generated by deflagration remove impurity particles, burrs and protrusions on the surface of a workpiece. The invention realizes the comprehensive treatment of the complex surface of the annular compression roller by the mode and avoids the occurrence of dead angles.
The air inlet unit 22 comprises an air inlet box 221, an air inlet filter screen 222, an upper polar plate 223, a lower polar plate 224, an adsorption plate 225, a rotary column 226, a leakage net 227 and an air outlet, wherein the air inlet box 221 is fixedly connected with the inner wall of the treatment box 21, the upper end of one side wall of the air inlet box 221 is provided with the air inlet filter screen 222, the air inlet filter screen 222 is connected with an external air supply pipeline through a connecting pipe, a control valve is arranged in the connecting pipe, the other side wall of the air inlet box 221 is provided with the air outlet, the upper polar plate 223 is embedded into the upper side wall of the air inlet box 221, the adsorption plate 225 is fixedly connected with the lower surface of the upper side wall of the air inlet box 221, the lower polar plate 224 is fixedly connected with the upper surface of the lower side wall of the air inlet box 221, the leakage net 227 is fixedly connected with the lower side position in the middle of the inner side wall of the air inlet box 221, the upper polar plate 223 is connected with the positive pole of an external power supply, the lower polar plate 224 is connected with the negative pole of the external power supply, the rotary columns 226 are provided with a plurality, the rotary columns 226 are uniformly distributed in the air inlet box 221, two ends of the rotating column 226 are respectively fastened and connected with two sides of the inner wall of the air inlet box 221, the rotating column 226 comprises a central column 2261, a partition board 2262, an annular sleeve 2263, a first conducting strip 2264, a second conducting strip 2265, a rotating ring 2266 and a contact block 2267, two ends of the central column 2261 are respectively fastened and connected with two sides of the inner wall of the air inlet box 221, a plurality of partition boards 2262 are uniformly distributed on the central column 2261, the partition boards 2262 are fastened and connected with the central column 2261, the annular sleeve 2263 is arranged on two sides of the partition boards 2262, the inner ring of the annular sleeve 2263 is fastened and connected with the first conducting strip 2264 and the second conducting strip 2265, the first conducting strip 2264 and the second conducting strip 2265 are in a semicircular shape, the first conducting strip 2264 is connected with the negative pole of an external power supply, the second conducting strip 2265 is connected with an external ground wire, the rotating ring 2266 is provided with a plurality of rotating rings 2266, the rotating ring 2266 is rotatably connected with the central column 2261, the rotating ring 6 is distributed between the partition boards 2262, and the outer side wall of the contact block 2267 is fastened and connected with the rotating ring 2266, the contact block 2267 is connected with a lead, an insulating sleeve is sleeved outside the lead, and one end of the lead, which is far away from the contact block 2267, is connected with a metal ball. In the initial stage of the operation of the apparatus, the second conductive sheet 2265 is first connected to the negative electrode of the primary power supply, the metal ball is attached with negative charges, the metal ball is attracted and flies under the action of the upper polar plate 223 and the lower polar plate 224, when the metal ball is located between the air intake filter 222 and the air exhaust port, the external air pushes the metal ball to move, the metal ball is attached with negative charges and is attracted by the suction force of the upper polar plate 223, the gravity of the metal ball is overcome in the process, the resultant force makes the metal ball hover, the metal ball hovers at a position close to the upper polar plate 223, particulate impurities mixed in the external air are attracted by the charged metal ball at the moment, the gravity of the metal ball increases along with the adsorption of the impurities, the metal ball falls, the metal ball gradually gets away from the upper polar plate 223 in the falling process, the adsorption force from the upper polar plate 223 on the metal ball decreases, the falling speed of the metal ball increases, and the metal ball, the combined action of wind power and gravity can make the metal ball having adsorbed the impurities fall obliquely downwards, because the metal ball is connected with a wire, the metal ball needs to rotate around the rotating ring 2266 when falling down, the rotating ring 2266 drives the contact block 2267 to rotate when rotating, the contact block 2267 can be respectively contacted with the first conducting strip 2264 and the second conducting strip 2265 when rotating, when the contact block 2267 is contacted with the second conducting strip 2265, the second conducting strip 2265 is switched back to be connected with a ground wire, negative charges attached to the metal ball are transmitted, impurities on the metal ball are not captured any more, the impurities are thrown to the leakage net 227 under the action of rotation inertia, the mesh opening of the leakage net 227 is large at the top and small at the bottom, the impurities easily penetrate through the leakage net 227 from the top to the bottom, the impurities hardly penetrate through the leakage net 227 from the bottom to the top, and the impurity particles are adsorbed by the lower pole plate 224 after penetrating through the leakage net 227. The metal ball swings upward under the action of rotational inertia, and when the contact block 2267 is switched to be in contact with the second conducting strip, the metal ball carries negative charges again, and the metal ball is adsorbed by the upper polar plate 223 to float, so that impurity particles in external input gas are captured again. The invention realizes the self-circulation of the metal ball rotation, increases the contact area between the metal ball and the external input gas, switches the state of the metal ball through the switching of the rotation angle, and realizes the directional transportation of the impurity particles.
The meshes of the intake screen 222 are arranged obliquely upward. When the impurity particles pass through the air inlet filter screen 222 along with the external air, the mesh can guide the running direction of the impurity particles, the oblique upward direction can guide more impurity particles to gather to a position close to the upper polar plate 223, the electric charge carried by the upper polar plate 223 can also enable the impurity particles to have a certain degree of electric charge polarity deviation, the impurity particles can slowly float upwards in the moving process along with the air flow, the gathering of the impurity particles is increased by the upwards floating, the adsorbed impurity particles are less when the metal balls float by obtaining positive charges, at the moment, the gravity of the metal balls is smaller, the metal balls can hover at a higher position, more impurities can contact with the metal balls with less adsorbed impurities by the mode, the impurity adsorption rate is greatly increased, a small part of unadsorbed impurities continuously move upwards to be captured by the adsorption plate 225, and the interior of the adsorption plate 225 is filled with a filter material, the dust and impurities can be temporarily stored, and only the dust and impurities need to be cleaned regularly.
The contact part 35 comprises an annular plate 351, an air bag block 352, a filler cavity 353 and a conductive film 354, the annular plate 351 is fixedly connected with an output shaft of the telescopic electric cylinder 33, an inner annular groove is formed in the inner side of the annular plate 351, a plurality of air bag blocks 352 are arranged in the inner annular groove, the plurality of air bag blocks 352 are mutually attached, the outer edge of the side wall of the inner annular groove is fixedly connected with the conductive film 354, the conductive film 354 is communicated with an external power supply, and the filler cavity 353 is formed between the conductive film 354 and the air bag blocks 352. The invention is mainly designed for aluminum die castings, an aluminum block is placed in a filling cavity 353, a conductive film 354 can be made of a copper film and other materials with good ductility, high melting point and good conductivity, when an annular plate 351 is driven by a displacement module 32 and a telescopic electric cylinder 33 to be attached to a damaged part of the die casting, the copper film is tightly pressed on the surface of the die casting, a plurality of openings are formed in the surface of the copper film, an insulating film is wrapped on the surface of the copper film, when the copper film is electrified, heat accumulation can be generated, the aluminum block is softened under the action of heat, gas in an air bag block 352 expands, the softened aluminum block can push the copper film to be close to the surface of the die casting, at the damaged part of the surface of the die casting, the copper film can be stretched and extruded into a notch, the copper film generates a bulge, charges are more easily accumulated at the bulge due to the tip accumulation effect of the charges, and the corresponding heat productivity is also improved, set up the calorific value that the electric current passes through the copper film under the normal condition and be in the fused critical value of aluminium piece, then under the most advanced gathering effect of electric charge, the aluminium piece of broken gap department can produce local melting, the inflation value that produces is also bigger in gasbag 352 department that corresponds, aluminium after the liquefaction is promoted by gasbag 352, extrude into the trompil on the copper film, the copper film is originally extruded and is propped open by the extension in the gap, the copper film can tend to the recovering state when liquefied aluminium passes the copper film this moment, liquefied aluminium can fill the gap, after filling the completion, the copper film can resume levelly and smoothly, the electric charge gathering scatters, it is normal that recovery department's temperature resumes, the liquefied aluminium solidification. According to the method, the precise die casting is repaired, on one hand, the broken part can be accurately identified, on the other hand, the repairing amount can be intelligently adjusted, the situation that the repairing material is too little or too much is avoided, the periphery of the repairing area is synchronously heated during repairing, the situation that the repairing part cannot be compatible with the original base material due to too large temperature difference can be avoided, and the repairing stability is greatly improved.
The working principle of the invention is as follows: when the annular compression roller needs to be fixed, the annular compression roller is fixed between the two clamping plates 172, the two ends of the annular compression roller are fixed by the annular grooves, the positioning clamping blocks on the two sides of the clamping plates 172 are fixed by screws at the moment, and the positions of the clamping plates 172 are completely fixed. The seal plate 171 is removed, the air guide bar 231 is inserted into the ring roll, the seal plate 171 is remounted, and the air guide bar 231 is fixed to the seal plate. When the positioning member 17 is moved into the processing box 21, the sealing plate 171 seals the openings at both ends of the processing box 21, the mounting plate 16 seals the lower portion of the processing box 21, the processing box 21 seals the annular press roll to be processed, the gas inlet unit 22 inputs the mixed gas of methane and oxygen into the processing box 21, after the input of the gas is finished, the mixed gas is ignited, and the high temperature and high pressure generated by deflagration remove the impurity particles, burrs and protrusions on the surface of the workpiece. The displacement module 32 drives the tubular die casting to be re-conveyed into the damage repair assembly 3. In the repair box 31, the industrial camera 34 cooperates with the rotating mechanism to determine the damaged position, after the position is determined, the piston rod of the telescopic electric cylinder 33 extends out, and the contact component 35 covers the damaged position to repair the damage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a precision die casting surface treatment device of collateral damage restoration function which characterized in that: the device comprises a transferring component (1), a surface treatment component (2), a damage repair component (3) and a lower frame (4), wherein the transferring component (1), the surface treatment component (2), the damage repair component (3) and the lower frame (4) are fixedly connected with each other through upper surfaces, the transferring component (1) penetrates through the surface treatment component (2) and the damage repair component (3), the damage repair component (3) comprises a repair box (31), a displacement module (32), a telescopic electric cylinder (33), an industrial camera (34) and a contact component (35), the repair box (31) and the lower frame (4) are fixedly connected with each other through upper surfaces, the displacement module (32) and the repair box (31) are fixedly connected with the lower surface of the upper inner wall, the telescopic electric cylinder (33) is fixedly connected with a displacement platform of the displacement module (32), the industrial camera (34) is arranged on the side edge of the telescopic electric cylinder (33), the output shaft of the telescopic electric cylinder (33) is tightly connected with the contact component (35);
move and carry subassembly (1) including driving motor (11), lead screw (12), displacement nut (13), slider (14), guide rail (15), mounting panel (16), locating part (17), driving motor (11) and underframe (4) upper surface fastening connection, the output shaft fastening connection of lead screw (12) one end and driving motor (11), the one end that driving motor (11) was kept away from in lead screw (12) is provided with the supporting seat, supporting seat and underframe (4) upper surface fastening connection, lead screw (12) and supporting seat rotate to be connected, displacement nut (13) cover is on lead screw (12), displacement nut (13) top with mounting panel (16) fastening connection, guide rail (15) and underframe (4) upper surface fastening connection, slider (14) and mounting panel (16) lower surface fastening connection, the sliding block (14) is connected with the guide rail (15) in a sliding mode, and the positioning component (17) is connected with the upper surface of the mounting plate (16);
the positioning component (17) comprises two sealing plates (171) and two clamping plates (172), the two sealing plates (171) are respectively connected with the upper surface of the mounting plate (16) by the positions close to the two sides, the sealing plates (171) are fixedly connected with the mounting plate (16) through bolts, the two clamping plates (172) are provided, the upper surface of the mounting plate (16) is provided with a sliding groove, the clamping plates (172) are in sliding connection with the sliding groove, a positioning clamping block is arranged in the sliding groove and is in sliding connection with the sliding groove, the positioning clamping block can be clamped in the sliding groove through a screw, the clamping plates are provided with annular holes, and the two sides of each annular hole are provided with annular grooves;
the surface treatment assembly (2) comprises a treatment box (21), air inlet units (22) and exhaust units (23), wherein the treatment box (21) is fixedly connected with the upper surface of the lower frame (4), openings are formed in two sides of the treatment box (21), the air inlet units (22) are arranged at two positions, the two air inlet units (22) are symmetrically arranged at the top of the inner wall of the treatment box (21) close to two sides, one air inlet unit (22) is connected with an external oxygen conveying pipeline, the other air inlet unit (22) is connected with an external methane conveying pipeline, and the exhaust units (23) are arranged between sealing plates (171);
the air inlet unit (22) comprises an air inlet box (221), an air inlet filter screen (222), an upper pole plate (223), a lower pole plate (224), an adsorption plate (225), a rotary column (226), a leakage net (227) and an air outlet, wherein the air inlet box (221) is fixedly connected with the inner wall of a treatment box (21), the upper end of one side wall of the air inlet box (221) is provided with the air inlet filter screen (222), the air inlet filter screen (222) is connected with an external air supply pipeline through a connecting pipe, a control valve is arranged inside the connecting pipe, the other side wall of the air inlet box (221) is provided with the air outlet, the upper pole plate (223) is embedded into the upper side wall of the air inlet box (221), the adsorption plate (225) is fixedly connected with the lower surface of the upper side wall of the air inlet box (221), the lower pole plate (224) is fixedly connected with the upper surface of the lower side wall of the air inlet box (221), and the middle of the inner side wall of the leakage net (227) and the air inlet box (221) is fixedly connected with the lower side position, the upper pole plate (223) is connected with the positive pole of an external power supply, the lower pole plate (224) is connected with the negative pole of the external power supply, a plurality of rotating columns (226) are uniformly distributed in the air inlet box (221), two ends of each rotating column (226) are respectively and fixedly connected with two sides of the inner wall of the air inlet box (221), each rotating column (226) comprises a central column (2261), partition plates (2262), an annular sleeve (2263), a first conducting plate (2264), a second conducting plate (2265), a rotating ring (2266) and a contact block (2267), two ends of each central column (2261) are respectively and fixedly connected with two sides of the inner wall of the air inlet box (221), a plurality of partition plates (2262) are uniformly distributed on the central column (2261), the partition plates (2262) are fixedly connected with the central column (2261), and the annular sleeves (2263) are arranged on two sides of the partition plates (2262), the inner ring of the annular sleeve (2263) is fixedly connected with the first conducting strip (2264) and the second conducting strip (2265), the first conducting strip (2264) and the second conducting strip (2265) are semicircular, the first conducting strip (2264) is connected with the negative electrode of an external power supply, the second conducting strip (2265) is connected with an external ground wire, the number of the rotating rings (2266) is multiple, the rotating rings (2266) are rotatably connected with the central column (2261), the rotating rings (2266) are distributed among the partition plates (2262), the contact blocks (2267) are fixedly connected with the outer side wall of the rotating rings (2266), the contact blocks (2267) are connected with wires, an insulating sleeve is sleeved outside the wires, and one end, far away from the contact blocks (2267), of the wires is connected with a metal ball.
2. The precision die casting surface treatment device with damage repairing function according to claim 1, characterized in that: the meshes of the air inlet filter screen (222) are arranged obliquely upwards.
3. The precision die casting surface treatment device with damage repairing function according to claim 1, characterized in that: exhaust unit (23) are including leading gas pole (231), exhaust pump (232), helical blade (233), lead gas pole (231) both ends and sealing plate (171) fastening connection, the inside venthole that is provided with of sealing plate (171), venthole one end and lead gas pole (231) UNICOM, the venthole other end are provided with exhaust pump (232), exhaust pump (232) link to each other with outside waste gas recovery pipeline, lead inside airflow channel that is provided with of gas pole (231), lead gas pole (231) outside and be provided with helical blade (233), helical blade (233) set up along leading gas pole (231) central point symmetry, be provided with the antithetical couplet through-hole on gas pole (231) lateral wall, the antithetical couplet through-hole inside is provided with the check valve, the antithetical couplet through-hole distributes between each section helical blade (233).
4. The precision die casting surface treatment device with damage repairing function according to claim 1, characterized in that: the contact component (35) comprises an annular plate (351), an air bag block (352), a filling cavity (353) and a conductive film (354), the annular plate (351) is fixedly connected with an output shaft of the telescopic electric cylinder (33), an inner annular groove is formed in the inner side of the annular plate (351), a plurality of air bag blocks (352) are arranged in the inner annular groove, the air bag blocks (352) are attached to each other, the outer edge of the side wall of the inner annular groove is fixedly connected with the conductive film (354), the conductive film (354) is communicated with an external power supply, and the filling cavity (353) is formed between the conductive film (354) and the air bag blocks (352).
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CN105345131A (en) * | 2015-12-08 | 2016-02-24 | 芜湖求精紧固件有限公司 | Cutting device for die cast |
CN205914961U (en) * | 2016-07-26 | 2017-02-01 | 滁州达世汽车配件有限公司 | Automobile punching part prosthetic devices |
CN206736383U (en) * | 2017-04-14 | 2017-12-12 | 安徽淮海奥可装备再制造有限公司 | A kind of multi-functional mechanical part injury prosthetic device |
CN107457392B (en) * | 2017-09-12 | 2022-10-28 | 河北省自动化研究所 | Automatic repairing machine for milling head type casting |
KR20210007188A (en) * | 2019-07-10 | 2021-01-20 | 안소윤 | Sleeve repair method for die casting system |
CN111215286A (en) * | 2020-03-30 | 2020-06-02 | 江苏新业重工股份有限公司 | Repairing device for compression roller of roller press |
CN112872937A (en) * | 2021-01-26 | 2021-06-01 | 宁波市诺研新材料科技有限公司 | Aluminum alloy automobile hub surface damage repairing method |
CN112958752B (en) * | 2021-01-29 | 2022-04-08 | 景德镇航胜航空机械有限公司 | Surface treatment process for aluminum magnesium alloy precision die casting |
CN113070466B (en) * | 2021-03-22 | 2022-05-10 | 江苏竣昌科技有限公司 | Surface treatment method for lightweight aluminum alloy die casting |
CN113369609B (en) * | 2021-08-13 | 2021-11-30 | 江苏中科云控智能工业装备有限公司 | Die casting deburring device with flaw detection function |
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