CN113369609B - Die casting deburring device with flaw detection function - Google Patents
Die casting deburring device with flaw detection function Download PDFInfo
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- CN113369609B CN113369609B CN202110928178.2A CN202110928178A CN113369609B CN 113369609 B CN113369609 B CN 113369609B CN 202110928178 A CN202110928178 A CN 202110928178A CN 113369609 B CN113369609 B CN 113369609B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
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Abstract
The invention discloses a deburring device for die castings with flaw detection functions, which comprises a thermal explosion assembly, an electrochemical assembly, an air exhaust assembly, a transfer assembly, a lower rack, a support column, a cross beam and a flaw detection assembly, wherein the thermal explosion assembly, the electrochemical assembly, the flaw detection assembly and the upper surface of a bedplate of the lower rack are fixedly connected, and the transfer assembly and the cross beam are fixedly connected. According to the hot explosion component, the annular partition plate is guided to rotate by utilizing the airflow generated by hot explosion, the annular partition plate drives the gas in the annular partition plate to rotate, and the fallen residues are thrown away from the surface of a die casting piece through the rotating centrifugal force, so that the damage to the surface of the die casting piece in the falling process of the residues is avoided. The electrochemical assembly of the invention can repeatedly guide the electrolyte to flow in the positive and negative directions in the process of carrying out electrochemical reaction, and the larger burrs are broken off in such a way, and meanwhile, the small protrusions and the residual roots left by the broken large burrs are removed through the electrochemical reaction.
Description
Technical Field
The invention relates to the technical field of die casting deburring, in particular to a die casting deburring device with a flaw detection function.
Background
In the die casting industry, the most common die casting is die casting of zinc alloy and die casting of aluminum alloy, and in recent years, with the continuous improvement of the quality requirement of die castings, the requirement of people on the surface precision of the die castings is stricter and stricter. Conventional deburring methods include manual treatment, grinding treatment, thermal explosion treatment, frozen shot blasting treatment and the like. Thermal explosion is handled comparatively commonly in the surface burr treatment of die casting, and its instantaneous high temperature that produces through combustible gas's deflagration in the confined space melts the burr, but traditional thermal explosion equipment is not good to the burring effect in the die casting that has the counter bore, forms the blind spot in the counter bore of die casting easily, and the high temperature air current after outside deflagration hardly gets into in the counter bore. An electrochemical treatment method is mostly used for deburring in the counter bore, but the traditional electrochemical treatment method is easy to cause overlarge removal amount due to overlarge current, and burrs, bumps and the like cannot be completely removed by smaller current. On the other hand, the air flow generated by the traditional thermal explosion deburring equipment during thermal explosion can impact the removed surface residues to the surface of the workpiece, so that the surface of the workpiece is easily scratched, and meanwhile, the heat generated by thermal explosion cannot be timely conveyed away, so that the die casting is easily melted excessively.
Disclosure of Invention
The invention aims to provide a die casting deburring device with a flaw detection function, and the die casting deburring device is used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the die casting deburring device with the flaw detection function comprises a thermal explosion component, an electrochemical component, an air exhaust component, a transfer component, a lower rack, support columns, a cross beam and a flaw detection component, wherein the thermal explosion component, the electrochemical component, the flaw detection component and the upper surface of a lower rack bedplate are fixedly connected, the electrochemical component is positioned in the middle of the upper surface of the lower rack bedplate, the thermal explosion component is positioned on one side of the electrochemical component, the flaw detection component is positioned on one side of the electrochemical component far away from the thermal explosion component, the two support columns are respectively and fixedly connected with the upper surface of the lower rack bedplate by two side positions, the cross beam is fixedly connected with the upper end side edges of the support columns, the transfer component is fixedly connected with the cross beam, the air exhaust component is fixedly connected with the lower surface of the lower rack bedplate, the air exhaust component is connected with the thermal explosion component, the flaw detection component comprises an ultrasonic probe, a probe support, a probe and a probe support, a probe and a probe, a probe support, a probe and a probe, a probe, The ultrasonic probe is fixedly connected with the probe bracket, and the probe bracket is arranged on the adjusting slide way. The die casting is transported by the transfer assembly, the transfer assembly sends the die casting into the thermal explosion assembly at the beginning, the air exhaust assembly exhausts the gas inside the thermal explosion assembly, the air inlet component conveys the mixed gas to the inside of the reaction barrel, the thermal explosion assembly removes burrs on the surface of the die casting, the transfer assembly conveys the die casting to the electrochemical assembly, and the electrochemical assembly removes the burrs in the counter bore of the die casting. The die castings are conveyed to the flaw detection assembly by the transfer assembly, the position of the probe support can be adjusted on the adjusting slide ways according to the die castings with different sizes, and the ultrasonic probe detects flaws of the die castings so as to ensure that products after deburring are still qualified. According to the thermal explosion assembly, the annular partition plate is guided to rotate by utilizing airflow generated by thermal explosion, the annular partition plate drives the gas in the annular partition plate to rotate, and the fallen surface residues are thrown away from the surface of a die casting piece through the rotating centrifugal force, so that the surface of the die casting piece is prevented from being damaged in the falling process of the surface residues. The electrochemical assembly of the invention can repeatedly guide the electrolyte to flow in the positive and negative directions in the process of carrying out electrochemical reaction, and the larger burrs are broken off in such a way, and meanwhile, the small protrusions and the residual roots left by the broken large burrs are removed through the electrochemical reaction. The invention ensures the safety of the deburring process and ensures the burr removal degree by the matching use of the thermal explosion deburring and the electrochemical deburring.
Further, the thermal explosion subassembly includes the reaction cylinder, admit air the part, annular space bar, reaction cylinder bottom and lower frame platen upper surface fastening connection, the inside annular space bar that is provided with of reaction cylinder, annular space bar bottom and reaction cylinder inner wall bottom rotate to be connected, the inside exhaust hole that is provided with a plurality of along annular evenly distributed of annular space bar, a plurality of exhaust hole is provided with the same inclination, the inside check valve that is provided with of exhaust hole, be provided with a plurality of fin on the annular space bar inner wall, the quantity of fin is the same with the quantity in exhaust hole, the mounted position of fin and the distributed position in exhaust hole are corresponding, the fin that every group corresponds sets up the direction with the exhaust hole and keeps parallel, admit air the part and install at lower frame platen lower surface, the part that admits air is connected with the reaction cylinder through the pipeline. When the transfer assembly drives the die casting to enter the reaction cylinder, the movable cover is in sealing connection with the reaction cylinder and the annular partition plate, the upper end of the annular partition plate is in rotating connection with the movable cover, at the moment, gas in the reaction cylinder is pumped away by the air pumping assembly, the mixed methane and oxygen are conveyed to the inside of the annular partition plate by the air inlet component, the inner wall of the annular partition plate is provided with the automatic ignition mechanism, the methane is combusted in the annular partition plate to generate deflagration, the deflagration can quickly increase the surface temperature of the die casting, burrs are melted and fall off in the process, the check valve arranged in the annular partition plate can exhaust gas to the outside under certain pressure, the gas is expanded in the deflagration process, the expanded gas is conveyed to the outside of the annular partition plate, and because the exhaust hole is provided with an inclined angle, the annular partition plate can be subjected to the reaction force of the inclined angle in the gas spraying process, the rotation can take place for annular space bar, and annular space bar pivoted in-process can drive the fin and take place to rotate, and the fin can be faster with the outside surface transport of the temperature of annular space bar internal surface with the contact of more inside hot gas flows, and the fin can drive inside hot gas flow and take place rotatoryly simultaneously, and inside hot gas flow can drive the burr that drops and take place rotatoryly, and the die casting surface is kept away from to the burr under the effect of rotatory centrifugal force, has avoided causing the possibility of damage to the die casting surface.
Furthermore, the air inlet component comprises an air inlet pump, a first air inlet pipe and a second air inlet pipe, the first air inlet pipe and the second air inlet pipe are arranged on an air inlet of the air inlet pump, and an air outlet of the air inlet pump is connected with the center of the bottom of the reaction barrel through a pipeline. The first air inlet pipe is connected with an external methane pipeline, and the second air inlet pipe is connected with an external oxygen pipeline. Inside the pump admits air carries the gas mixture of methane and oxygen to annular space bar, the pump admits air can be with the abundant mixture of methane and oxygen at the during operation, has guaranteed that methane can be fully burnt.
Further, the electrochemistry subassembly includes the electrolysis section of thick bamboo, the instrument electrode, the electrode paster, the inlet, the liquid outlet, the electrolysis section of thick bamboo is installed in the lower frame top, the lower surface and the lower frame platen upper surface fastening connection of electrolysis section of thick bamboo, be provided with power control device on the electrolysis section of thick bamboo outer wall, the electrode paster is connected through wire and power control device's positive pole, instrument electrode and electrolysis section of thick bamboo inner wall bottom surface fastening connection, the instrument electrode is connected through wire and power control device's negative pole, the inlet, the liquid outlet is installed at electrolysis section of thick bamboo side bottommost position, the inlet links to each other with outside electrolyte pipeline, the liquid outlet links to each other with outside electrolyte recovery pipeline, the inlet, install the control valve in the liquid outlet. The tool electrode is designed aiming at the counter bore of the die casting, when the transfer assembly drives the die casting to enter the electrolytic cylinder, the tool electrode can extend into the counter bore, a worker pastes an electrode patch on the die casting, at the moment, electrolyte is filled into the electrolytic cylinder, the die casting and the tool electrode are electrified to generate an anode and a cathode, and the burrs are attached with more charges in the process, so that higher temperature is generated, and smaller burrs are directly melted. The current transmitted by the power supply control device is pulse current, the current is continuously conducted and interrupted, in the process, the larger burr in the counter bore is continuously subjected to the heating and cooling processes, the burr is embrittled after being cooled and heated for many times, meanwhile, the electrolyte can repeatedly scour two ends of the burr, the larger burr can be broken through the mode at lower temperature, and the broken root remained on the burr can be heated and melted by the pulse current. According to the invention, the pulse current can be reduced on the premise of ensuring burr removal, and the reduction of the pulse current can avoid the overlarge melting size of the surface of the die casting.
Further, the tool electrode comprises an insulating shell, a spiral coil, a guide ring, a displacement magnet, a piston rod, a piston plate, a sealing cover and a conductive block, wherein the insulating shell is cylindrical, the bottom of the insulating shell is fixedly connected with the bottom of the inner wall of the electrolytic cylinder, the sealing cover is fixedly connected with the top of the insulating shell, one side of the sealing cover, far away from the insulating shell, is fixedly connected with the conductive block, the spiral coil is arranged inside the insulating shell and is fixedly connected with the inner wall of the insulating shell, one end of the spiral coil is connected with the sealing cover through a lead, the other end of the spiral coil is connected with the negative electrode of the power supply control device through a lead, the displacement magnet is arranged inside the spiral coil, the guide ring is sleeved on the displacement magnet, the displacement magnet is slidably connected with the guide ring, the guide ring is fixedly connected with the side wall of the insulating shell, a liquid accumulation cavity is arranged inside the conductive block, the piston plate is arranged inside the liquid accumulation cavity, and is slidably connected with the piston plate, piston plate bottom and piston rod fastening connection, inside the piston rod other end stretched into the insulating casing, piston plate's one end and displacement magnet fastening connection were kept away from to the piston rod, and the conducting block top is provided with a plurality of through-hole, through-hole and hydrops chamber looks UNICOM. When pulse current passes through spiral coil, spiral coil can produce the magnetic field, the magnetic field that spiral coil produced and displacement magnet produced set to opposite direction, displacement magnet can be upwards pushed up, displacement magnet can fall again when pulse current breaks down, the in-process that displacement magnet rises and falls can drive the piston board and reciprocate, the in-process that the piston board reciprocated can be with the continuous suction of electrolyte and discharge hydrops chamber, electrolyte can make a round trip to flow in the space between die casting counter bore and the tool electrode, the rapid flow of electrolyte can let the thin oxide film that the burr surface produced on the one hand can all the time with fresh electrolyte contact, on the other hand, the both-way flow of electrolyte can produce the both-way impact to the burr, thereby make great burr take place the rupture more easily. The invention ensures that under the action of relatively small current, large burrs can be removed completely.
Further, the air exhaust assembly comprises an air exhaust pump, a first air exhaust pipe and a second air exhaust pipe, the air exhaust pump is fixedly connected with the lower surface of the lower rack table plate, one end of the first air exhaust pipe and one end of the second air exhaust pipe are connected with the air exhaust pump, one end, far away from the air exhaust pump, of the first air exhaust pipe is connected with the center of the bottom of the reaction barrel, and one end, far away from the air exhaust pump, of the second air exhaust pipe is connected with the side wall of the reaction barrel. The air pump is respectively used for pumping air inside the reaction cylinder and inside the annular partition plate, wherein the second air pumping pipe is provided with a smaller aperture, and when the first air pumping pipe and the second air pumping pipe are used for synchronously pumping air, the air pumping quantity of the second air pumping pipe is smaller. The mode can ensure that certain negative pressure is arranged in the reaction cylinder, but the negative pressure is not too large, so that the mixed gas is prevented from leaking out of the annular partition plate in advance.
Furthermore, the moving and carrying assembly comprises a first displacement module, a second displacement module, a first mounting plate, a second mounting plate and a third mounting plate, the spliced pole, the movable cover, clamping part, the translation guide rail, first displacement module and crossbeam upper surface fastening connection, the displacement platform and the first mounting panel bottom fastening connection of first displacement module, the side and the second mounting panel fastening connection of first mounting panel, the translation guide rail is installed on the crossbeam lateral wall, be provided with the slider on the translation guide rail, slider and second mounting panel fastening connection, one side and the second displacement module fastening connection that the slider was kept away from to the second mounting panel, the displacement platform and the third mounting panel fastening connection of second displacement module, one side and the spliced pole fastening connection of second displacement module are kept away from to the third mounting panel, spliced pole lower extreme and movable cover fastening connection, the one end and the clamping part fastening connection of spliced pole are kept away from to the movable cover. The first displacement module drives the second displacement module to move horizontally, the second displacement module drives the connecting column to move vertically, the connecting column drives the movable cover to move, and the movable cover can be sequentially attached to the reaction cylinder and the electrolysis cylinder during working.
Furthermore, the clamping component comprises an installation column and a magnetic block, the installation column is fixedly connected with the lower end of the movable cover, the magnetic block is fixedly connected with one end, far away from the movable cover, of the installation column, and a plurality of friction particles are arranged at one end, far away from the installation column, of the magnetic block. The electromagnetic dust removal device is designed for a die casting containing iron, cobalt and nickel, the electromagnet is arranged in the magnet, the attraction force can be adjusted by controlling the current passing through the electromagnet, when the die casting is adsorbed by the magnet, friction particles on the surface of the magnet are in contact with the die casting, the die casting is impacted by airflow generated by methane deflagration in the working process, the airflow can cause vibration of the die casting, small-amplitude relative displacement exists between the die casting and the friction particles, burrs at the position covered by the magnet can be removed through the displacement, and dead zones are avoided in the process of removing the burrs.
Compared with the prior art, the invention has the following beneficial effects: according to the thermal explosion assembly, the annular partition plate is guided to rotate by utilizing airflow generated by thermal explosion, the annular partition plate drives the gas in the annular partition plate to rotate, and the falling burrs are thrown away from the surface of a die casting piece through the rotating centrifugal force, so that the surface of the die casting piece is prevented from being damaged in the falling process of the burrs. The electrochemical assembly provided by the invention can utilize the intermittent power supply of the pulse current in the process of carrying out the electrochemical reaction, on one hand, the burrs can be repeatedly heated and cooled to embrittle the burrs, on the other hand, the liquid accumulation cavity can repeatedly guide the electrolyte to flow in the forward and reverse directions, the larger burrs are broken off in such a way, and meanwhile, the smaller burrs and residual roots left by the broken large burrs are removed through the electrochemical reaction. According to the clamping component disclosed by the invention, the die casting is vibrated due to the impact of air flow generated by deflagration, small-amplitude relative displacement exists between the die casting and friction particles, burrs at the positions covered by the magnetic blocks can be removed through the displacement, and dead zones can be avoided in the process of removing the burrs through the mode.
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 cross-sectional view of the overall construction of the thermal explosion assembly of the present invention;
FIG. 3 is a cross-sectional view A-A of the present invention;
FIG. 4 is an internal structure display view of the annular partition plate of the present invention;
FIG. 5 is a front structural cross-sectional view of an electrochemical assembly of the present invention;
FIG. 6 is a partial enlarged view B of the present invention;
FIG. 7 is a schematic diagram of the operation of the conductive block of the present invention with the spiral coil energized;
FIG. 8 is a schematic diagram of the operation of the conductive block of the present invention in the de-energized state of the helical coil;
in the figure: 1-thermal explosion component, 11-reaction cylinder, 12-gas inlet component, 121-gas inlet pump, 13-annular spacing plate, 131-gas outlet hole, 132-fin, 2-electrochemical component, 21-electrolytic cylinder, 22-tool electrode, 221-insulating shell, 222-spiral coil, 223-guide ring, 224-displacement magnet, 225-piston rod, 226-piston plate, 227-sealing cover, 228-conducting block, 23-electrode patch, 24-liquid inlet, 25-liquid outlet, 3-gas extraction component, 31-gas extraction pump, 4-transfer component, 41-first displacement module, 42-second displacement module, 43-first mounting plate, 44-second mounting plate, 45-third mounting plate, 46-connecting column, 47-movable cover, 48-clamping part, 481-mounting column, 482-magnetic block, 49-translation guide rail, 5-lower frame, 6-support column, 7-cross beam, 8-flaw detection component, 81-ultrasonic probe and 82-probe bracket.
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. 1-8, the present invention provides the following technical solutions:
as shown in figure 1, the deburring device for die castings with flaw detection function comprises a thermal explosion component 1, an electrochemical component 2, an air extraction component 3, a transfer component 4, a lower frame 5, support columns 6, a cross beam 7 and a flaw detection component 8, wherein the thermal explosion component 1, the electrochemical component 2, the flaw detection component 8 and the upper surface of a bedplate of the lower frame 5 are fixedly connected, the electrochemical component 2 is positioned in the middle position of the upper surface of the bedplate of the lower frame 5, the thermal explosion component 1 is positioned at one side of the electrochemical component 2, the flaw detection component 8 is positioned at one side of the electrochemical component 2 far away from the thermal explosion component 1, two support columns 6 are respectively and fixedly connected with the upper surface of the bedplate of the lower frame 5 close to two side positions, the cross beam 7 and the upper end side edge of the support column 6 are fixedly connected, the transfer component 4 and the cross beam 7 are fixedly connected, and the air extraction component 3 and the lower surface of the bedplate of the lower frame 5 are fixedly connected, the air extraction component 3 is connected with the thermal explosion component 1, the flaw detection component 8 comprises an ultrasonic probe 81, a probe bracket 82 and an adjusting slideway, the ultrasonic probe 81 is fixedly connected with the probe bracket 82, and the probe bracket 82 is installed on the adjusting slideway. The die casting is transported by the transfer assembly 4, the transfer assembly 4 firstly sends the die casting into the thermal explosion assembly 1, the air exhaust assembly 3 exhausts the gas in the thermal explosion assembly 1, the air inlet component 12 conveys the mixed gas into the reaction barrel 11, the thermal explosion assembly 1 removes burrs on the surface of the die casting, the transfer assembly 4 conveys the die casting into the electrochemical assembly 2, and the electrochemical assembly 2 removes the burrs in the counter bore of the die casting. The transfer assembly 4 conveys the die castings to the flaw detection assembly 8, the position of the probe support 82 can be adjusted on the adjusting slide ways according to the die castings with different sizes, and the ultrasonic probe 81 detects flaws of the die castings to ensure that the products after deburring are still qualified products. According to the thermal explosion component 1, the annular partition plate 13 is guided to rotate by airflow generated by thermal explosion, the annular partition plate 13 drives gas in the annular partition plate to rotate, and falling burrs are thrown away from the surface of a die casting piece through rotating centrifugal force, so that the surface of the die casting piece is prevented from being damaged in the process of falling the burrs. The electrochemical component 2 of the present invention repeatedly guides the electrolyte to flow in the forward and reverse directions during the electrochemical reaction, so that the larger burrs are broken off, and the smaller burrs and the residual roots left by the broken large burrs are removed by the electrochemical reaction. The invention ensures the safety of the deburring process and ensures the burr removal degree by the matching use of the thermal explosion deburring and the electrochemical deburring.
As shown in fig. 2 to 4, the thermal explosion assembly 1 includes a reaction cylinder 11, an air inlet part 12, annular space bar 13, reaction cylinder 11 bottom and 5 platen upper surface fastening connection of lower frame, 11 inside annular space bar 13 that is provided with of reaction cylinder, annular space bar 13 bottom and 11 inner wall bottoms of reaction cylinder rotate to be connected, the inside exhaust hole 131 that is provided with a plurality of along annular evenly distributed of annular space bar 13, a plurality of exhaust hole 131 is provided with the same inclination, the inside check valve that is provided with of exhaust hole 131, be provided with a plurality of fin 132 on the annular space bar 13 inner wall, the quantity of fin 132 is the same with the quantity of exhaust hole 131, the mounted position of fin 132 is corresponding with the distributed position of exhaust hole 131, fin 132 and the exhaust hole 131 that every group corresponds set up the direction and keep parallel, air inlet unit 12 installs at 5 platen lower surfaces of lower frame, air inlet unit 12 is connected with reaction cylinder 11 through the pipeline. When the transfer component 4 drives the die casting to enter the reaction cylinder 11, the movable cover 47 can be hermetically connected with the reaction cylinder 11 and the annular partition plate 13, the upper end of the annular partition plate 13 is rotatably connected with the movable cover 47, at the moment, the gas in the reaction cylinder 11 can be pumped away by the gas pumping component 3, the gas inlet component 12 conveys the mixed methane and oxygen to the inside of the annular partition plate 13, the inner wall of the annular partition plate 13 is provided with an automatic ignition mechanism, the methane is combusted in the annular partition plate 13 to generate deflagration, the deflagration can rapidly increase the surface temperature of the die casting, burrs are melted and fall off in the process, a check valve arranged in the annular partition plate 13 can exhaust gas to the outside under certain pressure, the gas expands in the deflagration process, the expanded gas is conveyed to the outside of the annular partition plate 13, and because the exhaust hole 131 is provided with an inclined angle, the annular partition plate 13 can be subjected to the reaction force of the inclined angle in the gas ejection process, rotation can take place for annular space bar 13, annular space bar 13 pivoted in-process can drive fin 132 and take place to rotate, fin 132 and more inside hot gas flow contact can be faster carry the outside surface of the temperature with annular space bar 13 internal surface, fin 132 can drive inside hot gas flow simultaneously and take place rotatoryly, inside hot gas flow can drive the burr that drops and take place rotatoryly, the die casting surface is kept away from to the burr under the effect of rotatory centrifugal force, the possibility of causing the damage to the die casting surface has been avoided.
As shown in fig. 1, the air intake component 12 includes an air intake pump 121, a first air intake pipe and a second air intake pipe, the first air intake pipe and the second air intake pipe are disposed on an air inlet of the air intake pump 121, and an air outlet of the air intake pump 121 is connected to a central position of the bottom of the reaction cylinder 11 through a pipeline. The first air inlet pipe is connected with an external methane pipeline, and the second air inlet pipe is connected with an external oxygen pipeline. The gas inlet pump 121 conveys the mixed gas of methane and oxygen to the interior of the annular partition plate 13, and the gas inlet pump 121 can fully mix the methane and the oxygen during operation, so that the methane can be fully combusted.
As shown in fig. 5-8, the electrochemical assembly 2 includes an electrolytic cartridge 21, a tool electrode 22, an electrode patch 23, a liquid inlet 24, and a liquid outlet 25, the electrolytic cartridge 21 is installed above the lower frame 5, the lower surface of the electrolytic cartridge 21 is fastened to the upper surface of the platen of the lower frame 5, a power control device is installed on the outer wall of the electrolytic cartridge 21, the electrode patch 23 is connected to the positive electrode of the power control device through a wire, the tool electrode 22 is fastened to the bottom surface of the inner wall of the electrolytic cartridge 21, the tool electrode 22 is connected to the negative electrode of the power control device through a wire, the liquid inlet 24 and the liquid outlet 25 are installed at the bottom position of the side edge of the electrolytic cartridge 21, the liquid inlet 24 is connected to an external electrolyte delivery pipe, the liquid outlet 25 is connected to an external electrolyte recovery pipe, and control valves are installed in the liquid inlet 24 and the liquid outlet 25. The tool electrode 22 is designed for a counter bore of a die casting, when the transfer assembly 4 drives the die casting to enter the electrolytic cylinder 21, the tool electrode 22 extends into the counter bore, an electrode patch 23 is attached to the die casting by a worker, electrolyte is filled into the electrolytic cylinder 21 at the moment, the die casting and the tool electrode 22 are electrified to generate an anode and a cathode, and the burrs are attached with more charges in the process, so that higher temperature is generated, and smaller burrs are directly melted. The current transmitted by the power supply control device is pulse current, the current is continuously conducted and interrupted, in the process, the larger burr in the counter bore is continuously subjected to the heating and cooling processes, the burr is embrittled after being cooled and heated for many times, meanwhile, the electrolyte can repeatedly scour two ends of the burr, the larger burr can be broken through the mode at lower temperature, and the broken root remained on the burr can be heated and melted by the pulse current. According to the invention, the pulse current can be reduced on the premise of ensuring burr removal, and the reduction of the pulse current can avoid the overlarge melting size of the surface of the die casting.
As shown in fig. 5 to 8, the tool electrode 22 comprises an insulating shell 221, a spiral coil 222, a guide ring 223, a displacement magnet 224, a piston rod 225, a piston plate 226, a sealing cover 227 and a conductive block 228, wherein the insulating shell 221 is cylindrical, the bottom of the insulating shell 221 is tightly connected with the bottom of the inner wall of the electrolytic tank 21, the sealing cover 227 is tightly connected with the top of the insulating shell 221, one side of the sealing cover 227 far away from the insulating shell 221 is tightly connected with the conductive block 228, the spiral coil 222 is installed in the insulating shell 221, the spiral coil 222 is tightly connected with the inner wall of the insulating shell 221, one end of the spiral coil 222 is connected with the sealing cover 227 through a lead, the other end of the spiral coil 222 is connected with the negative electrode of the power supply control device through a lead, the displacement magnet 224 is positioned in the spiral coil 222, the guide ring 223 is sleeved on the displacement magnet 224, the displacement magnet 224 is slidably connected with the guide ring 223, the guide ring 223 is tightly connected with the side wall of the insulating shell 221, the inside hydrops chamber that is provided with of conducting block 228, piston plate 226 are installed inside the hydrops chamber, piston plate 226 and hydrops chamber sliding connection, piston plate 226 bottom and piston rod 225 fastening connection, inside the piston rod 225 other end stretched into insulating housing 221, piston rod 225 kept away from piston plate 226 one end and displacement magnet 224 fastening connection, conducting block 228 top is provided with a plurality of through-hole, through-hole and hydrops chamber looks UNICOM. When pulse current passes through the spiral coil 222, the spiral coil 222 can generate a magnetic field, the magnetic field generated by the spiral coil 222 and the magnetic field generated by the displacement magnet 224 are set to be opposite, the displacement magnet 224 can be pushed upwards, the displacement magnet 224 can fall when the pulse current is interrupted, the piston plate 226 can be driven to move up and down in the ascending and falling processes of the displacement magnet 224, electrolyte can be continuously sucked into and discharged from the electrolyte accumulation cavity in the up-and-down moving process of the piston plate 226, the electrolyte can flow back and forth in a gap between the counter bore of the die casting and the tool electrode 22, on one hand, the thin oxide film generated on the surface of the burr can be always contacted with fresh electrolyte due to the rapid flowing of the electrolyte, on the other hand, the bidirectional flowing of the electrolyte can generate bidirectional impact on the burr, and accordingly, the larger burr is more easily broken. The invention ensures that under the action of relatively small current, large burrs can be removed completely.
As shown in FIG. 1, the air extraction assembly 3 comprises an air extraction pump 31, a first air extraction pipe and a second air extraction pipe, the air extraction pump 31 is fixedly connected with the lower surface of the bedplate of the lower frame 5, one end of the first air extraction pipe and one end of the second air extraction pipe are connected with the air extraction pump 31, one end of the first air extraction pipe, far away from the air extraction pump 31, is connected with the central position of the bottom of the reaction cylinder 11, and one end of the second air extraction pipe, far away from the air extraction pump 31, is connected with the side wall of the reaction cylinder 11. The air pump 31 is used for respectively pumping air inside the reaction cylinder 11 and inside the annular partition plate 13, wherein the second air pumping pipe is provided with a smaller aperture, and when the first air pumping pipe and the second air pumping pipe are used for synchronously pumping air, the air pumping quantity of the second air pumping pipe is smaller. In this way, a certain negative pressure can be ensured in the reaction cylinder 11, but the negative pressure is not too high, so that the mixed gas is prevented from leaking out of the annular partition plate 13 in advance.
As shown in fig. 1, the transfer assembly 4 includes a first displacement module 41, a second displacement module 42, a first mounting plate 43, a second mounting plate 44, a third mounting plate 45, a connection column 46, a movable cover 47, a clamping member 48, and a translation guide rail 49, the first displacement module 41 is fastened to the upper surface of the beam 7, the displacement platform of the first displacement module 41 is fastened to the bottom of the first mounting plate 43, the side edge of the first mounting plate 43 is fastened to the second mounting plate 44, the translation guide rail 49 is mounted to the side wall of the beam 7, the translation guide rail 49 is provided with a slider, the slider is fastened to the second mounting plate 44, the side of the second mounting plate 44 away from the slider is fastened to the second displacement module 42, the displacement platform of the second displacement module 42 is fastened to the third mounting plate 45, the side of the third mounting plate 45 away from the second displacement module 42 is fastened to the connection column 46, the lowest end of the connecting column 46 is tightly connected with a movable cover 47, and one end of the movable cover 47 far away from the connecting column 46 is tightly connected with a clamping component 48. The first displacement module 41 drives the second displacement module 42 to move horizontally, the second displacement module 42 drives the connecting column 46 to move vertically, the connecting column 46 drives the movable cover 47 to move, and the movable cover 47 can be sequentially attached to the reaction cylinder 11 and the electrolysis cylinder 21 during operation.
As shown in fig. 1 and 5, the clamping member 48 includes a mounting post 481 and a magnetic block 482, the mounting post 481 is fastened to the lower end of the movable cover 47, the magnetic block 482 is fastened to the end of the mounting post 481 far from the movable cover 47, and a plurality of friction particles are disposed at the end of the magnetic block 482 far from the mounting post 481. The invention is designed aiming at a die casting containing iron, cobalt and nickel, an electromagnet is arranged in a magnet 482, the attraction force can be adjusted by controlling the current passing through the electromagnet, when the die casting is adsorbed by the magnet 482, friction particles on the surface of the magnet 482 are contacted with the die casting, the die casting can be impacted by airflow of methane deflagration in the working process, the airflow can cause the vibration of the die casting, small-amplitude relative displacement exists between the die casting and the friction particles, burrs at the part covered by the magnet can be removed through the displacement, and dead zones in the process of removing the burrs are avoided.
The working principle of the invention is as follows: the transfer component 4 firstly sends the die casting into the thermal explosion component 1, the air exhaust component 3 exhausts the gas inside the thermal explosion component 1, the air inlet component 12 conveys the mixed gas into the reaction barrel 11, the thermal explosion component 1 removes burrs on the surface of the die casting, methane burns inside the annular partition plate 13 to generate deflagration, the deflagration can quickly increase the surface temperature of the die casting, the burrs melt and fall off in the process, a check valve arranged inside the annular partition plate 13 can exhaust to the outside under certain pressure, the gas expands in the deflagration process, the expanded gas is conveyed outside the annular partition plate 13, because the exhaust hole 131 is provided with an inclined angle, the annular partition plate 13 can receive the counter-acting force of the inclined angle in the gas ejection process, the annular partition plate 13 can rotate, and the annular partition plate 13 can drive the fin 132 to rotate in the rotating process, the fins 132 rotate the inner hot gas stream. The transfer assembly 4 conveys the die casting to the electrochemical assembly 2, the electrochemical assembly 2 removes burrs in the counter bore of the die casting, when pulse current passes through the spiral coil 222, the spiral coil 222 can generate a magnetic field, the magnetic field generated by the spiral coil 222 and the magnetic field generated by the displacement magnet 224 are set to be opposite directions, the displacement magnet 224 can be pushed upwards, the displacement magnet 224 can fall down when the pulse current is interrupted, the piston plate 226 can be driven to move up and down in the rising and falling processes of the displacement magnet 224, electrolyte can be continuously sucked and discharged from the electrolyte chamber in the up and down moving process of the piston plate 226, and the electrolyte can flow back and forth in a gap between the counter bore of the die casting and the tool electrode 22. The transfer assembly 4 conveys the die castings to the flaw detection assembly 8, the position of the probe support 82 can be adjusted on the adjusting slide ways according to the die castings with different sizes, and the ultrasonic probe 81 detects flaws of the die castings to ensure that the products after deburring are still qualified products.
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 (3)
1. Die casting burring device with detect a flaw detection function, its characterized in that: the deburring device comprises a thermal explosion component (1), an electrochemical component (2), an air exhaust component (3), a transfer component (4), a lower rack (5), support columns (6), a cross beam (7) and a flaw detection component (8), wherein the thermal explosion component (1), the electrochemical component (2), the flaw detection component (8) and the upper surface of a bedplate of the lower rack (5) are fixedly connected, the electrochemical component (2) is positioned in the middle of the upper surface of the bedplate of the lower rack (5), the thermal explosion component (1) is positioned on one side of the electrochemical component (2), the flaw detection component (8) is positioned on one side of the electrochemical component (2) far away from the thermal explosion component (1), the number of the support columns (6) is two, the two support columns (6) are respectively and fixedly connected with the upper surface of the bedplate of the lower rack (5) by the positions of two sides, and the cross beam (7) is fixedly connected with the side edges of the upper ends of the support columns (6), the moving and carrying assembly (4) is fixedly connected with the cross beam (7), the air extracting assembly (3) is fixedly connected with the lower surface of a bedplate of the lower frame (5), the air extracting assembly (3) is connected with the thermal explosion assembly (1), the flaw detection assembly (8) comprises an ultrasonic probe (81), a probe support (82) and an adjusting slideway, the ultrasonic probe (81) is fixedly connected with the probe support (82), and the probe support (82) is installed on the adjusting slideway;
the thermal explosion assembly (1) comprises a reaction cylinder (11), an air inlet part (12) and an annular partition plate (13), the bottom of the reaction cylinder (11) is fixedly connected with the upper surface of a bedplate of a lower frame (5), the annular partition plate (13) is arranged inside the reaction cylinder (11), the bottom of the annular partition plate (13) is rotatably connected with the bottom of the inner wall of the reaction cylinder (11), a plurality of exhaust holes (131) which are uniformly distributed along an annular shape are arranged inside the annular partition plate (13), the exhaust holes (131) are provided with the same inclination angle, a one-way valve is arranged inside the exhaust holes (131), a plurality of fins (132) are arranged on the inner wall of the annular partition plate (13), the number of the fins (132) is the same as that of the exhaust holes (131), and the installation positions of the fins (132) are corresponding to the distribution positions of the exhaust holes (131), each group of corresponding fins (132) and exhaust holes (131) are arranged in parallel, the air inlet part (12) is arranged on the lower surface of a bedplate of the lower rack (5), and the air inlet part (12) is connected with the reaction cylinder (11) through a pipeline;
the electrochemical component (2) comprises an electrolytic cylinder (21), a tool electrode (22), an electrode patch (23), a liquid inlet (24) and a liquid outlet (25), the electrolytic cylinder (21) is installed above the lower rack (5), the lower surface of the electrolytic cylinder (21) is fixedly connected with the upper surface of a bedplate of the lower rack (5), a power supply control device is arranged on the outer wall of the electrolytic cylinder (21), the electrode patch (23) is connected with the anode of the power supply control device through a lead, the tool electrode (22) is fixedly connected with the bottom surface of the inner wall of the electrolytic cylinder (21), the tool electrode (22) is connected with the cathode of the power supply control device through a lead, the liquid inlet (24) and the liquid outlet (25) are installed at the bottommost position of the side edge of the electrolytic cylinder (21), the liquid inlet (24) is connected with an external electrolyte conveying pipeline, and the liquid outlet (25) is connected with an external electrolyte recycling pipeline, control valves are arranged in the liquid inlet (24) and the liquid outlet (25);
the tool electrode (22) comprises an insulating shell (221), a spiral coil (222), a guide ring (223), a displacement magnet (224), a piston rod (225), a piston plate (226), a sealing cover (227) and a conductive block (228), wherein the insulating shell (221) is cylindrical, the bottom of the insulating shell (221) is fixedly connected with the bottom of the inner wall of the electrolytic cylinder (21), the sealing cover (227) is fixedly connected with the top of the insulating shell (221), one side, far away from the insulating shell (221), of the sealing cover (227) is fixedly connected with the conductive block (228), the spiral coil (222) is installed inside the insulating shell (221), the spiral coil (222) is fixedly connected with the inner wall of the insulating shell (221), one end of the spiral coil (222) is connected with the sealing cover (227) through a lead, the other end of the spiral coil (222) is connected with the negative electrode of a power supply control device through a lead, the displacement magnet (224) is located inside the spiral coil (222), the guide ring (223) is sleeved on the displacement magnet (224), the displacement magnet (224) is in sliding connection with the guide ring (223), the guide ring (223) is in fastening connection with the side wall of the insulating shell (221), a liquid accumulation cavity is arranged inside the conductive block (228), the piston plate (226) is installed inside the liquid accumulation cavity, the piston plate (226) is in sliding connection with the liquid accumulation cavity, the bottom of the piston plate (226) is in fastening connection with the piston rod (225), the other end of the piston rod (225) extends into the insulating shell (221), one end, far away from the piston plate (226), of the piston rod (225) is in fastening connection with the displacement magnet (224), a plurality of through holes are formed in the top of the conductive block (228), and the through holes are communicated with the liquid accumulation cavity;
the air inlet component (12) comprises an air inlet pump (121), a first air inlet pipe and a second air inlet pipe, the first air inlet pipe and the second air inlet pipe are arranged on an air inlet of the air inlet pump (121), and an air outlet of the air inlet pump (121) is connected with the center of the bottom of the reaction cylinder (11) through a pipeline;
the air extraction assembly (3) comprises an air extraction pump (31), a first air extraction pipe and a second air extraction pipe, the air extraction pump (31) is fixedly connected with the lower surface of the bedplate of the lower frame (5), the first air extraction pipe, one end of the second air extraction pipe and the air extraction pump (31) are connected, one end, far away from the air extraction pump (31), of the first air extraction pipe is connected with the central position of the bottom of the reaction barrel (11), and one end, far away from the air extraction pump (31), of the second air extraction pipe is connected with the side wall of the reaction barrel (11).
2. The die casting deburring device with flaw detection function of claim 1, characterized in that: the moving and carrying assembly (4) comprises a first displacement module (41), a second displacement module (42), a first mounting plate (43), a second mounting plate (44), a third mounting plate (45), a connecting column (46), a movable cover (47), a clamping component (48) and a translation guide rail (49), wherein the first displacement module (41) is fixedly connected with the upper surface of the cross beam (7), a displacement platform of the first displacement module (41) is fixedly connected with the bottom of the first mounting plate (43), the side edge of the first mounting plate (43) is fixedly connected with the second mounting plate (44), the translation guide rail (49) is arranged on the side wall of the cross beam (7), a sliding block is arranged on the translation guide rail (49), the sliding block is fixedly connected with the second mounting plate (44), one side of the second mounting plate (44) far away from the sliding block is fixedly connected with the second displacement module (42), the displacement platform of the second displacement module (42) is fixedly connected with the third mounting plate (45), one side and spliced pole (46) fastening connection of second displacement module (42) are kept away from to third mounting panel (45), spliced pole (46) bottom and movable cover (47) fastening connection, movable cover (47) keep away from the one end and the clamping component (48) fastening connection of spliced pole (46).
3. The die casting deburring device with flaw detection function of claim 2, characterized in that: the clamping part (48) comprises a mounting column (481) and a magnetic block (482), the mounting column (481) is fixedly connected with the lower end of the movable cover (47), the magnetic block (482) is fixedly connected with one end, far away from the movable cover (47), of the mounting column (481), and a plurality of friction particles are arranged at one end, far away from the mounting column (481), of the magnetic block (482).
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| CN113814235B (en) * | 2021-11-24 | 2022-02-08 | 江苏中科云控智能工业装备有限公司 | Precision die casting surface treatment device with damage repair function |
| CN115071883B (en) * | 2022-06-06 | 2023-10-03 | 武汉理工大学 | Anti-fragment recovery cabin |
| CN117219725A (en) * | 2023-11-08 | 2023-12-12 | 宁德时代新能源科技股份有限公司 | Pole piece surface treatment device and process, pole piece production equipment and battery production line |
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| CS217481B1 (en) * | 1980-04-30 | 1983-01-28 | Jan Banas | Work tool for electrochemically deburring holeedges,especially in hardly accessible spaces |
| JPH0790427B2 (en) * | 1988-02-03 | 1995-10-04 | エーピーシーエアロスペシャルティ株式会社 | Electrolytic deburring method and apparatus |
| DE102006038309A1 (en) * | 2006-08-15 | 2008-02-21 | Extrude Hone Gmbh | Device for the thermal deburring of workpieces |
| CN102430833A (en) * | 2011-09-13 | 2012-05-02 | 龙工（上海）桥箱有限公司 | Deburring method based on heat energy |
| CN205967701U (en) * | 2016-08-26 | 2017-02-22 | 重庆新钰立金属科技有限公司 | Automatic electrolytic deburring device in engine cylinder block oil duct hole |
| CN208408788U (en) * | 2018-06-26 | 2019-01-22 | 江苏泗洪油嘴油泵有限公司 | Cross bore electrochemical deburring fixture in poppet valve body |
| CN108890054B (en) * | 2018-08-14 | 2020-11-13 | 南京双峰油泵油嘴有限公司 | Electrolytic deburring equipment |
| CN111906406A (en) * | 2019-05-07 | 2020-11-10 | 金源节能系统(天津)股份有限公司 | Valve burring processingequipment |
| CN110181353B (en) * | 2019-05-23 | 2020-12-01 | 南京航空航天大学 | Special combined clamp for deburring of valve seat inner flow passage through hole by abrasive |
| CN211680460U (en) * | 2019-12-20 | 2020-10-16 | 佛山市南海镕信金属制品有限公司 | Heat energy deburring machine for aluminum die castings |
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