CN114473097A - Electric spark small hole machining method and machine tool - Google Patents
Electric spark small hole machining method and machine tool Download PDFInfo
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- CN114473097A CN114473097A CN202210154536.3A CN202210154536A CN114473097A CN 114473097 A CN114473097 A CN 114473097A CN 202210154536 A CN202210154536 A CN 202210154536A CN 114473097 A CN114473097 A CN 114473097A
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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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
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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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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Abstract
The invention discloses an electric spark small hole machining method and a machine tool, and the electric spark small hole machining method comprises a machine body, a control cabinet, a heat dissipation device and an impurity removal device, wherein the heat dissipation device is arranged inside the control cabinet and close to the bottom, the impurity removal device is arranged inside the control cabinet and close to the bottom, a driving cleaning device is arranged on one side of the surface of an impurity removal filter screen, a driven cleaning device is arranged on the surface of the impurity removal filter screen and far away from one side of the driving cleaning device, one end of an impact tooth is fixedly connected to the surface of a crescent substrate and close to one side of the impurity removal filter screen, and one side of the surface edge of a cambered surface magnetic plate is fixedly connected with the surface of the crescent substrate and far away from one side of the impact tooth. The electric spark small hole machining method and the machine tool achieve the effects of heat dissipation and dust removal, can dissipate heat in time and treat sundries in time, reduce the possibility of entering the interior, are not easy to cause sundry deposition, prolong the service life of components, are safe and reliable, and improve the working efficiency and the service performance.
Description
Technical Field
The invention relates to the technical field of electric spark machining, in particular to an electric spark small hole machining method and a machine tool.
Background
The electric spark machine is also called numerical control electric spark machine, electric spark, spark machine, etc. which is an electric processing device. The instantaneous high temperature of the electric spark can melt and oxidize local metal to be corroded, so that the electric spark machining is carried out. With the progress of science and technology, some materials with high strength, high hardness and difficult processing are applied to industrial products in large quantities, and small holes with larger depth-diameter ratio are often required to be processed on the difficult-processing materials. Since electric discharge machining is not limited by the hardness of the material as compared with other machining methods, electric discharge hole machining has a significant advantage in accomplishing machining of these difficult-to-machine materials. The high-speed electric spark small hole processing technology is an efficient deep small hole processing technology.
At present, the control rack on the current electric spark machine tool receives surrounding environment's influence easily, at long-time during operation, the inside a large amount of heats that can produce of rack need not give off, the condition of high temperature appears easily, some offer the louvre for the heat dissipation, but debris such as a large amount of dust, hair get into and at the surface deposition of components and parts, further influence the heat dissipation and cause the components and parts ageing easily, need the manual work to carry out periodic cleaning, influence work efficiency, reduced performance.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electric spark small hole machining method and a machine tool, which solve the problems that a control cabinet on the existing electric spark machining machine tool is easily influenced by the surrounding environment, a large amount of heat generated inside the cabinet is not dissipated when the control cabinet works for a long time, and high temperature is easily generated.
In order to achieve the purpose, the invention is realized by the following technical scheme: an electric spark small hole processing method comprises the following steps:
step one, weighing polyacrylic acid and tap water according to a proportion, pouring the polyacrylic acid and the tap water into a container for containing an electric spark small hole machining working solution to prepare a solution, then adding alkaline powder, and stirring to fully mix a water dispersing agent and the tap water while preparing a water dispersing agent working solution;
step two, turning on a power supply to electrify the whole machine tool and properly preheat the machine;
step three, using the water dispersant working solution prepared in the step one to carry out electric spark small hole machining, wherein the positive electrode of a pulse power supply is connected with a workpiece to be machined in the machining process, the negative electrode of the pulse power supply is connected with a tool electrode, the working fluid pressure is 5Mpa, and the rotating speed of the tool electrode is 120 r/min; after a through hole is machined in a workpiece, recording the machining time of the through hole by using a digital stopwatch, and calculating the depth of the machined hole in unit time, namely the machining speed of the electric spark small hole machining, wherein the change range of the machining current of the electric spark small hole machining is 3-20A, and the range of the current pulse width is 8-80 mu s;
and step four, after the small hole is machined, closing the electric spark small hole machining machine tool, converting the working liquid into tap water, then opening a power main switch, simultaneously opening a power switch and a working liquid pump switch on a control panel, removing the water dispersing agent working liquid in a working liquid pump and a pipeline, and improving the dispersion degree of the working liquid by using the dispersing action of the dispersing agent, so that the volume of the electroerosion particles is reduced, the settling speed is reduced, the chips are removed easily, the machining speed is increased, and the machining quality is improved.
An electric spark small hole machining machine tool comprises a machine body, a control cabinet, a heat dissipation device and an impurity removal device, wherein the control cabinet is arranged on one side of the machine body, the machine body is connected with the control cabinet through a wire, the heat dissipation device is arranged inside the control cabinet and is close to the bottom, and the impurity removal device is arranged inside the control cabinet and is close to the bottom;
the impurity removing device is provided with a right-angle frame, an impurity removing filter screen, a driving cleaning device and a driven cleaning device, the surface edge of the right-angle frame is fixedly connected with the inner wall of the control cabinet, the impurity removing filter screen is arranged on the surface of the right-angle frame, the driving cleaning device is arranged on one side of the surface of the impurity removing filter screen, and the driven cleaning device is arranged on the surface of the impurity removing filter screen and is far away from one side of the driving cleaning device;
the active cleaning device is provided with a connecting rotating shaft, a crescent substrate, an impact tooth and a cambered magnetic plate, the end part of the connecting rotating shaft is connected with the top of the surface of an impurity removing filter screen through a support in a rotating way, the top end of the crescent substrate is fixedly connected with the surface of the connecting rotating shaft, one end of the impact tooth is fixedly connected with the surface of the crescent substrate and is close to one side of the impurity removing filter screen, one side of the surface edge of the cambered magnetic plate is fixedly connected with the surface of the crescent substrate and one side of the cambered magnetic plate far away from the impact tooth, the air entering the inside of the control cabinet is filtered by the impurity removing filter screen, impurities such as dust, hair and the like are filtered in time, when the repulsive magnetic force pushes the cambered magnetic plate, the top end of the crescent substrate is hinged with the connecting rotating shaft, so that the crescent substrate drives the impact tooth to rotate, and the cambered magnetic plate is separated from the magnetic rod along with the non-stop rotation of the magnetic rod, the magnetic force that repels disappears, and under the effect of crescent moon base member and cambered surface magnetic plate self gravity, make the crescent moon base member drive striking tooth antiport, and to the surperficial striking of edulcoration filter screen, make it produce vibrations, and then make the debris that filter get off drop, the effect from the clearance has been realized, driven cleaning device also can receive the striking of striking tooth and swing simultaneously, and then help clearing up once more, ingenious with the structural connection together, the effect from the clearance has been realized, safety and reliability, service performance is improved.
Preferably, a rectangular opening is formed in the bottom of the surface of the control cabinet and in a position close to the impurity removal device, an air outlet is formed in the central position of the top of the control cabinet, dustproof cotton is arranged at the position, located at the air outlet, of the top of the control cabinet, a power mechanism is fixedly connected to one side of the bottom of the inner wall of the control cabinet, the output end of the power mechanism is fixedly connected with one end of the heat dissipation device, the output end of the power mechanism is connected with the end portion of a driving roller on the heat dissipation device, so that the driving roller drives a main blade and an auxiliary blade to rotate, air inside the control cabinet is blown, the air inside the control cabinet is blown out from the air outlet, meanwhile, outside air enters the control cabinet from the rectangular opening, air circulation is formed, heat inside the control cabinet is dissipated timely, heat dissipation of components is accelerated, and the air entering the control cabinet can be processed by the impurity removal device, whole device can in time dispel the heat to the inside components and parts of switch board to in time handle debris such as dust, hair, reduce inside getting into, the sedimentary condition of debris is difficult for appearing, and the life of extension components and parts is safe and reliable, has improved work efficiency and performance.
Preferably, crescent base member evenly distributed is on the surface of connecting the pivot, the striking tooth evenly distributed just is close to one side of edulcoration filter screen on crescent base member's surface.
Preferably, the heat dissipation device is provided with a driving roller, a main blade, an auxiliary blade and a magnetic rod, the end part of the driving roller is rotatably connected with the inner wall of the control cabinet, one side of the surface edge of the main blade is fixedly connected with the surface of the driving roller, the surface edge of the auxiliary blade is fixedly connected with the surface of the main blade, one side of the surface of the magnetic rod is fixedly connected with the surface of the main blade and the position close to the edge, the magnetic rod and the arc-shaped magnetic plate are arranged to be homonymous magnetic poles, when the driving roller is driven by a power mechanism to rotate, the main blade rotates along with the main blade, the auxiliary blade and the magnetic rod are driven to rotate together, at the moment, the air in the control cabinet is blown by the main blade and the auxiliary blade, so that the components can be timely dissipated, the magnetic rod and the arc-shaped magnetic plate are homonymous magnetic poles when meeting, so that repulsive magnetic force is timely applied to the arc-shaped magnetic plate, the crescent substrate is driven to push upwards, the repulsive magnetic force is fully utilized, the structures are linked together, multiple functions are realized, safety and reliability are realized, and the use performance is improved.
Preferably, the surface of the main blade is set to be an arc-shaped curved surface, and the auxiliary blades are uniformly distributed on the surface of the main blade.
Preferably, the driven cleaning device is provided with a support rod, an S-shaped swinging piece, a knocking device and an elastic drawn wire, the end part of the support rod is fixedly connected with the surface of the impurity removing filter screen through a support, the top end of the S-shaped swinging piece is rotatably connected with the surface of the support rod, the knocking device is arranged on the surface of the S-shaped swinging piece and close to one side of the impurity removing filter screen, the elastic drawn wire is arranged between the top of the surface of the S-shaped swinging piece and the two corresponding sides of the top of the surface of the impurity removing filter screen, when the impurity removing filter screen is impacted by the impacting teeth, the knocking device is impacted and is connected with the top end of the S-shaped swinging piece and the surface of the support rod in a rotating manner, so that the S-shaped swinging piece drives the knocking device to reversely rotate, the elastic drawn wire is stretched, and the S-shaped swinging piece drives the knocking device to reset by combining with the elastic pulling force of the elastic drawn wire, and the knocking device knocks the impurity removing filter screen, the cleaning device has the advantages that the cleaning device can vibrate again, the frequency is increased, sundries attached to the surface of the impurity removal filter screen can be favorably fallen off, the self-cleaning effect is further improved, the cleaning device is safe and reliable, and the use performance is improved.
Preferably, the S-shaped swinging pieces are uniformly distributed on the surface of the supporting rod, and the knocking devices are uniformly distributed on the surface of the S-shaped swinging pieces.
Preferably, the knocking device is provided with a connecting base block, a cambered surface knocking head and a rubber layer, one side of the surface of the connecting base block is fixedly connected with the surface of the S-shaped swinging piece, one side of the surface of the cambered surface knocking head is fixedly connected with the surface of the connecting base block and is far away from one side of the S-shaped swinging piece, the rubber layer is arranged on the surface of the cambered surface knocking head and is far away from one side of the connecting base block, when the knocking device is driven by the S-shaped swinging piece to reset, the knocking head impacts the impurity removal filter screen to enable the impurity removal filter screen to vibrate, meanwhile, the rubber layer is in surface contact with the impurity removal filter screen to realize flexible contact, further the impact force on the impurity removal filter screen is reduced, the impurity removal filter screen is protected elastically, the bending or deformation is not easy to occur, the mutual connection and interaction between the structures are utilized, the effect of buffer protection is achieved, and the knocking device is safe and reliable, the service performance is improved.
The invention provides an electric spark small hole machining method and a machine tool. The method has the following beneficial effects:
the electric spark small hole machining method and the machine tool are characterized in that a machine body, a control cabinet, a heat dissipation device, an impurity removal device, a rectangular opening, an air outlet, dustproof cotton and a power mechanism are used, the output end of the power mechanism is connected with the end part of a driving roller on the heat dissipation device, the driving roller drives a main blade and an auxiliary blade to rotate, and then air inside the control cabinet is blown, so that air inside the control cabinet is blown out from the air outlet, meanwhile, outside air enters the control cabinet from the rectangular opening, air circulation is formed, heat inside the control cabinet is dissipated in time, heat dissipation of components is accelerated, air entering the control cabinet is processed through the impurity removal device, the whole device can dissipate heat of the components inside the control cabinet in time, dust, hair and other impurities are processed in time, entering the interior is reduced, and the situation of impurity deposition is not easy to occur, the service life of the components is prolonged, safety and reliability are realized, and the working efficiency and the service performance are improved.
The electric spark small hole machining method and the machine tool are characterized in that the electric spark small hole machining method comprises a driving roller, a main blade, an auxiliary blade and a magnetic rod, wherein when the driving roller is driven by a power mechanism to rotate, the main blade also rotates along with the driving roller, the auxiliary blade and the magnetic rod are driven together to rotate, the air inside a control cabinet is blown by the main blade and the auxiliary blade which rotate at the moment, and then components are timely cooled, the magnetic rod and the cambered magnetic plate are utilized to be homonymous magnetic poles and generate repulsive magnetic force when meeting, and the repulsive magnetic force is timely applied to the cambered magnetic plate, so that the crescent substrate is subjected to upward driving force, the repulsive magnetic force is fully utilized, the structures are connected together, multiple functions are realized, safety and reliability are realized, and the use performance is improved.
Third, the electric spark small hole processing method and the machine tool, through the right-angle frame, the impurity removal filter screen, the active cleaning device, the driven cleaning device, the connecting rotating shaft, the crescent substrate, the striking teeth and the cambered magnetic plate, the impurity removal filter screen is utilized to filter the air entering the control cabinet, the impurities such as dust and hair are filtered in time, when the repulsive magnetic force pushes the cambered magnetic plate, the top end of the crescent substrate is hinged with the connecting rotating shaft, so that the crescent substrate drives the striking teeth to rotate, the cambered magnetic plate is separated from the magnetic rod along with the continuous rotation of the magnetic rod, the repulsive magnetic force disappears, and under the action of the self gravity of the crescent substrate and the cambered magnetic plate, the crescent substrate drives the striking teeth to reversely rotate and impact the surface of the impurity removal filter screen to generate vibration, the filtered impurities fall off, and the self-cleaning effect is realized, simultaneously, the driven cleaning device can swing under the impact of the impact teeth, so that the cleaning is facilitated again, the structure is ingeniously connected, the self-cleaning effect is achieved, safety and reliability are realized, and the use performance is improved.
(IV), this spark small hole processing method and lathe, through the bracing piece, S-shaped swinging member, knocking device, elasticity wire drawing, after striking tooth strikes the edulcoration filter screen, knocking device also can receive the impact this moment, and combine the top of S-shaped swinging member to be connected with the surface rotation of bracing piece, make S-shaped swinging member drive knocking device antiport, and then elasticity wire drawing receives tensile, and combine the elastic tension of elasticity wire drawing, make S-shaped swinging member drive knocking device and reset, and then make knocking device strike the edulcoration filter screen, make it shake once more, the frequency has been increased, and then help droing the debris that adhere to in edulcoration filter screen surface, further improve the effect of self-cleaning, safety and reliability, service performance has been improved.
(V), this electric spark aperture processing method and lathe, through connecting the base block, the cambered surface strikes the head, the rubber layer, when knocking device receives the drive of S-shaped swinging member to reset, strike the head and strike the edulcoration filter screen, make the edulcoration filter screen produce vibrations, the surface contact of rubber layer and edulcoration filter screen has simultaneously realized the flexible contact, and then reduced the impact force to the edulcoration filter screen, help carrying out the elastic protection to the edulcoration filter screen, the difficult condition that bends or warp appears, utilize the intercourse between the structure, interact, the effect of buffering protection has been reached, safety and reliability, service performance has been improved.
Drawings
FIG. 1 is a block diagram of the process of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the structure of an impurity removing device according to the present invention;
FIG. 5 is a schematic structural diagram of an active cleaning apparatus according to the present invention;
FIG. 6 is a schematic view of a heat dissipation device according to the present invention;
FIG. 7 is a schematic view of the driven cleaning apparatus of the present invention;
FIG. 8 is a schematic view of the knocking device according to the present invention.
In the figure: 1 machine body, 2 control cabinet, 3 heat abstractor, 4 edulcoration device, 5 rectangle mouth, 6 air outlets, 7 dustproof cottons, 8 power unit, 31 drive roller, 32 main blade, 33 auxiliary blade, 34 magnetic rod, 41 right angle frame, 42 edulcoration filter screen, 43 initiative cleaning device, 44 driven cleaning device, 431 connection pivot, 432 crescent moon base member, 433 striking tooth, 434 cambered surface magnetic plate, 441 bracing piece, 442S-shaped swinging piece, 443 striking device, 444 elastic wire drawing, 4431 connection base block, 4432 cambered surface striking head, 4433 rubber layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 8, the present invention provides a technical solution: an electric spark small hole processing method comprises the following steps:
step one, weighing polyacrylic acid and tap water according to a proportion, pouring the polyacrylic acid and the tap water into a container for containing an electric spark small hole machining working solution to prepare a solution, then adding alkaline powder, and stirring to fully mix a water dispersing agent and the tap water while preparing a water dispersing agent working solution;
step two, turning on a power supply to electrify the whole machine tool and properly preheat the machine;
step three, using the water dispersant working solution prepared in the step one to carry out electric spark small hole machining, wherein the positive electrode of a pulse power supply is connected with a workpiece to be machined in the machining process, the negative electrode of the pulse power supply is connected with a tool electrode, the working fluid pressure is 5Mpa, and the rotating speed of the tool electrode is 120 r/min; after a through hole is machined in a workpiece, recording the machining time of the through hole by using a digital stopwatch, and calculating the depth of the machined hole in unit time, namely the machining speed of the electric spark small hole machining, wherein the change range of the machining current of the electric spark small hole machining is 3-20A, and the range of the current pulse width is 8-80 mu s;
and step four, after the small hole is machined, closing the electric spark small hole machining machine tool, converting the working liquid into tap water, then opening a power main switch, simultaneously opening a power switch and a working liquid pump switch on a control panel, removing the water dispersing agent working liquid in a working liquid pump and a pipeline, and improving the dispersion degree of the working liquid by using the dispersing action of the dispersing agent, so that the volume of the electroerosion particles is reduced, the settling speed is reduced, the chips are removed easily, the machining speed is increased, and the machining quality is improved.
Example 2
An electric spark small hole machining machine tool comprises a machine body 1, a control cabinet 2, a heat dissipation device 3 and an impurity removal device 4, wherein the control cabinet 2 is arranged on one side of the machine body 1, the machine body 1 is connected with the control cabinet 2 through a lead, the heat dissipation device 3 is arranged inside the control cabinet 2 and is close to the bottom, and the impurity removal device 4 is arranged inside the control cabinet 2 and is close to the bottom;
the bottom of the surface of the control cabinet 2 and the position close to the impurity removing device 4 are provided with a rectangular opening 5, the central position of the top of the control cabinet 2 is provided with an air outlet 6, the top of the control cabinet 2 and the position at the air outlet 6 are provided with dustproof cotton 7, one side of the bottom of the inner wall of the control cabinet 2 is fixedly connected with a power mechanism 8, the output end of the power mechanism 8 is fixedly connected with one end of the heat dissipating device 3, the output end of the power mechanism 8 is connected with the end part of a driving roller 31 on the heat dissipating device 3, so that the driving roller 31 drives a main blade 32 and an auxiliary blade 33 to rotate, and further blows the air in the control cabinet 2, the air in the control cabinet 2 is blown out from the air outlet 6, meanwhile, the outside air enters the control cabinet 2 from the rectangular opening 5, so as to form air circulation, the heat in the control cabinet 2 is dissipated in time, and further the heat dissipation of components is accelerated, and the air entering the inside of the control cabinet 2 can be processed by the impurity removal device 4, the whole device can timely dissipate heat of the components inside the control cabinet, and can timely treat impurities such as dust and hair, so that the impurities entering the inside are reduced, the deposition of the impurities is not easy to occur, the service life of the components is prolonged, the device is safe and reliable, and the working efficiency and the service performance are improved.
Example 3
The heat dissipation device 3 is provided with a driving roller 31, a main blade 32, an auxiliary blade 33 and a magnetic rod 34, wherein the end part of the driving roller 31 is rotatably connected with the inner wall of the control cabinet 2, one side of the surface edge of the main blade 32 is fixedly connected with the surface of the driving roller 31, the surface edge of the auxiliary blade 33 is fixedly connected with the surface of the main blade 32, one side of the surface of the magnetic rod 34 is fixedly connected with the surface of the main blade 32 and the position close to the edge, and the magnetic rod 34 and the cambered surface magnetic plate 434 are set to be the same magnetic pole.
The surface of main blade 32 sets up to the arc curved surface, vice blade 33 evenly distributed is on the surface of main blade 32, when drive roller 31 is driven by power mechanism 8 and is rotated, main blade 32 also rotates thereupon, and then with vice blade 33, bar magnet 34 drives together and rotates, main blade 32 in the rotation this moment, vice blade 33 blows the inside air of switch board 2, and then in time dispels the heat to components and parts, and utilize bar magnet 34 and arc magnetic plate 434 to be the same name magnetic pole, produce repellent magnetic force when meeting, and then in time exert on arc magnetic plate 434 repellent magnetic force, make crescent base member 432 receive upwards driving force.
Example 4
The impurity removing device 4 is provided with a right-angle frame 41, an impurity removing filter screen 42, a driving cleaning device 43 and a driven cleaning device 44, the surface edge of the right-angle frame 41 is fixedly connected with the inner wall of the control cabinet 2, the impurity removing filter screen 42 is arranged on the surface of the right-angle frame 41, the driving cleaning device 43 is arranged on one side of the surface of the impurity removing filter screen 42, and the driven cleaning device 44 is arranged on the surface of the impurity removing filter screen 42 and is far away from one side of the driving cleaning device 43;
the active cleaning device 43 is provided with a connecting rotating shaft 431, a crescent substrate 432, an impact tooth 433 and a cambered magnetic plate 434, the end part of the connecting rotating shaft 431 is rotatably connected to the top of the surface of the impurity removing filter screen 42 through a bracket, the top end of the crescent substrate 432 is fixedly connected with the surface of the connecting rotating shaft 431, one end of the impact tooth 433 is fixedly connected to the surface of the crescent substrate 432 and is close to one side of the impurity removing filter screen 42, one side of the surface edge of the cambered magnetic plate 434 is fixedly connected with the surface of the crescent substrate 432 and is far away from one side of the impact tooth 433, the impurity removing filter screen 42 is used for filtering air entering the inside of the control cabinet 2, and impurities such as dust and hair are filtered in time, when repulsive magnetic force pushes the cambered magnetic plate 434, the top end of the crescent substrate 432 is hinged with the connecting rotating shaft 431, so that the crescent substrate 432 drives the impact tooth 433 to rotate along with the continuous rotation of the magnetic rod 34, utilize cambered surface magnetic sheet 434 and bar magnet 34 separation, repellent magnetic force disappears, and under the effect of crescent moon base member 432 and cambered surface magnetic sheet 434 self gravity, make crescent moon base member 432 drive striking tooth 433 antiport, and to the surperficial striking of edulcoration filter screen 42, make it produce vibrations, and then make the debris that filter down drop, realized the effect from the clearance, driven cleaning device 44 also can receive the striking of striking tooth 433 and swing simultaneously, and then help clearing up once more.
Example 5
The driven cleaning device 44 is provided with a support rod 441, an S-shaped swinging piece 442, a knocking device 443 and an elastic drawn wire 444, the end of the support rod 441 is fixedly connected with the surface of the impurity removing filter screen 42 through a bracket, the top end of the S-shaped swinging piece 442 is rotatably connected with the surface of the support rod 441, the knocking device 443 is arranged on the surface of the S-shaped swinging piece 442 and close to one side of the impurity removing filter screen 42, and the elastic drawn wire 444 is arranged between the top of the surface of the S-shaped swinging piece 442 and the two sides corresponding to the top of the surface of the impurity removing filter screen 42.
The S-shaped swinging pieces 442 are uniformly distributed on the surface of the supporting rod 441, the knocking devices 443 are uniformly distributed on the surface of the S-shaped swinging pieces 442, after the striking teeth 433 strike the impurity removing filter screen 42, the knocking devices 443 are impacted at the moment, and the top ends of the S-shaped swinging pieces 442 are rotatably connected with the surface of the supporting rod 441, so that the S-shaped swinging pieces 442 drive the knocking devices 443 to reversely rotate, the elastic drawn wires 444 are stretched, the S-shaped swinging pieces 442 drive the knocking devices 443 to reset in combination with the elastic pulling force of the elastic drawn wires 444, the knocking devices 443 knock the impurity removing filter screen 42, the impurity removing filter screen 42 vibrates again, the frequency is increased, the impurities attached to the surface of the impurity removing filter screen 42 can fall off beneficially, and the self-cleaning effect is further improved.
The knocking device 443 is provided with a connecting base block 4431, an arc-shaped knocking head 4432 and a rubber layer 4433, one side of the surface of the connecting base block 4431 is fixedly connected with the surface of the S-shaped swinging piece 442, one side of the surface of the arc-shaped knocking head 4432 is fixedly connected with the surface of the connecting base block 4431 and one side of the connecting base block 4431 and far away from the S-shaped swinging piece 442, the rubber layer 4433 is arranged on the surface of the arc-shaped knocking head 4432 and one side of the connecting base block 4431 and far away from the surface of the S-shaped swinging piece, when the knocking device 443 is driven by the S-shaped swinging piece 442 to reset, the knocking head 4432 impacts the impurity removal filter screen 42, so that the impurity removal filter screen 42 vibrates, and meanwhile, the rubber layer 4433 is in contact with the surface of the impurity removal filter screen 42, so that flexible contact is achieved, impact on the impurity removal filter screen 42 is reduced, elastic protection is facilitated, and bending or deformation is not easy to occur.
When the device is used, the whole device is placed at a designated position, the output end of the power mechanism 8 is connected with the end of the driving roller 31 on the heat dissipation device 3, the driving roller 31 drives the main blade 32 and the auxiliary blade 33 to rotate, and further blows air inside the control cabinet 2, so that the air inside the control cabinet 2 is blown out from the air outlet 6, and meanwhile, outside air enters the control cabinet 2 from the rectangular opening 5, so that air circulation is formed, heat inside the control cabinet 2 is dissipated in time, and further heat dissipation of components is accelerated, when the driving roller 31 is driven to rotate by the power mechanism 8, the main blade 32 rotates along with the driving roller, and further drives the auxiliary blade 33 and the magnetic rod 34 to rotate together, at the moment, the main blade 32 and the auxiliary blade 33 in rotation blow air inside the control cabinet 2, and further dissipate heat of the components in time, and the magnetic rod 34 and the cambered plate 434 are of the same magnetic pole name, when meeting, repulsive magnetic force is generated, and then the repulsive magnetic force is timely applied to the arc-shaped magnetic plate 434, so that the crescent substrate 432 is subjected to upward driving force, the impurity removing filter screen 42 is utilized to filter air entering the inside of the control cabinet 2, and impurities such as dust, hair and the like are timely filtered, when the repulsive magnetic force pushes the arc-shaped magnetic plate 434, the top end of the crescent substrate 432 is hinged with the connecting rotating shaft 431, so that the crescent substrate 432 drives the striking teeth 433 to rotate, and along with the continuous rotation of the magnetic rod 34, the arc-shaped magnetic plate 434 is separated from the magnetic rod 34, the repulsive magnetic force disappears, and under the self-gravity action of the crescent substrate 432 and the arc-shaped magnetic plate 434, the crescent substrate 432 drives the striking teeth 433 to reversely rotate and strike against the surface of the impurity removing filter screen 42 to generate vibration, so that the filtered impurities fall off, and the self-cleaning effect is realized, meanwhile, the driven cleaning device 44 is impacted by the impact teeth 433 to swing, so that cleaning is facilitated to be carried out again, after the impact teeth 433 impact the impurity removing filter screen 42, the knocking device 443 is impacted, the top end of the S-shaped swinging piece 442 is rotatably connected with the surface of the supporting rod 441, the S-shaped swinging piece 442 drives the knocking device 443 to rotate reversely, the elastic drawn wire 444 is stretched, the S-shaped swinging piece 442 drives the knocking device 443 to reset by combining with the elastic pulling force of the elastic drawn wire 444, so that the knocking device 443 knocks the impurity removing filter screen 42 to generate vibration again, frequency is increased, sundries attached to the surface of the impurity removing filter screen 42 can fall off, the self-cleaning effect is further improved, and when the knocking device 443 is driven by the S-shaped swinging piece 442 to reset, the knocking head 4432 impacts the impurity removing filter screen 42, make edulcoration filter screen 42 produce vibrations, the surface contact of rubber layer 4433 and edulcoration filter screen 42 has realized the flexible contact simultaneously, and then has reduced the impact force to edulcoration filter screen 42, helps carrying out the elasticity protection to edulcoration filter screen 42, and the difficult condition of bending or deformation that appears utilizes the interrelation between the structure, and interact has reached the effect of buffer protection, safe and reliable has improved performance.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (9)
1. An electric spark small hole processing method is characterized in that: the method comprises the following steps:
step one, weighing polyacrylic acid and tap water according to a proportion, pouring the polyacrylic acid and the tap water into a container for containing an electric spark small hole machining working solution to prepare a solution, then adding alkaline powder, and stirring to fully mix a water dispersing agent and the tap water while preparing a water dispersing agent working solution;
step two, turning on a power supply to electrify the whole machine tool and properly preheat the machine;
step three, using the water dispersant working solution prepared in the step one to carry out electric spark small hole machining, wherein the positive electrode of a pulse power supply is connected with a workpiece to be machined in the machining process, the negative electrode of the pulse power supply is connected with a tool electrode, the working fluid pressure is 5Mpa, and the rotating speed of the tool electrode is 120 r/min; after a through hole is machined in a workpiece, recording the machining time of the through hole by using a digital stopwatch, and calculating the depth of the machined hole in unit time, namely the machining speed of the electric spark small hole machining, wherein the change range of the machining current of the electric spark small hole machining is 3-20A, and the range of the current pulse width is 8-80 mu s;
and step four, after the small hole is machined, closing the electric spark small hole machining machine tool, converting the working liquid into tap water, then opening a power main switch, simultaneously opening a power switch and a working liquid pump switch on a control panel, and removing the water dispersing agent working liquid in the working liquid pump and the pipeline.
2. The utility model provides an electric spark small hole machine tool, includes organism (1), switch board (2), heat abstractor (3), edulcoration device (4), its characterized in that: the control cabinet (2) is arranged on one side of the machine body (1), the machine body (1) is connected with the control cabinet (2) through a conducting wire, the heat dissipation device (3) is arranged inside the control cabinet (2) and close to the bottom, and the impurity removal device (4) is arranged inside the control cabinet (2) and close to the bottom;
the impurity removing device (4) is provided with a right-angle frame (41), an impurity removing filter screen (42), a driving cleaning device (43) and a driven cleaning device (44), the surface edge of the right-angle frame (41) is fixedly connected with the inner wall of the control cabinet (2), the impurity removing filter screen (42) is arranged on the surface of the right-angle frame (41), the driving cleaning device (43) is arranged on one side of the surface of the impurity removing filter screen (42), and the driven cleaning device (44) is arranged on the surface of the impurity removing filter screen (42) and is far away from one side of the driving cleaning device (43);
the active cleaning device (43) is provided with a connecting rotating shaft (431), a crescent substrate (432), striking teeth (433) and a cambered magnetic plate (434), the end part of the connecting rotating shaft (431) is connected to the top of the surface of an impurity removing filter screen (42) through a support in a rotating manner, the top end of the crescent substrate (432) is fixedly connected with the surface of the connecting rotating shaft (431), one end of the striking teeth (433) is fixedly connected to the surface of the crescent substrate (432) and close to one side of the impurity removing filter screen (42), one side of the surface edge of the cambered magnetic plate (434) is fixedly connected with the surface of the crescent substrate (432) and one side of the striking teeth (433) is far away from, when the driving roller (31) is driven by a power mechanism (8) to rotate, the main blade (32) also rotates along with the rotation, and then the auxiliary blade (33) and the magnetic rod (34) are driven together to rotate, and the magnetic rod (34) and the cambered magnetic plate (434) are of the same name, when meeting, repulsive magnetic force is generated, so that the crescent substrates (432) are pushed, the top ends of the crescent substrates (432) are hinged to the connecting rotating shaft (431), and the crescent substrates (432) drive the striking teeth (433) to rotate.
3. An electric discharge small hole machining tool as claimed in claim 2, characterized in that: rectangle mouth (5) have been seted up to the position that just is close to edulcoration device (4) in the surperficial bottom of switch board (2), air outlet (6) have been seted up to the top central authorities position of switch board (2), the top of switch board (2) and the position that is located air outlet (6) are provided with dustproof cotton (7), inner wall bottom one side fixedly connected with power unit (8) of switch board (2), the output of power unit (8) and the one end fixed connection of heat abstractor (3).
4. An electric discharge small hole machining tool as claimed in claim 2, characterized in that: crescent base member (432) evenly distributed is on the surface of connecting pivot (431), strike tooth (433) evenly distributed on the surface of crescent base member (432) and be close to one side of edulcoration filter screen (42).
5. An electric discharge small hole machining tool as claimed in claim 2, characterized in that: heat abstractor (3) are equipped with drive roller (31), main blade (32), vice blade (33), bar magnet (34), the tip of drive roller (31) rotates with the inner wall of switch board (2) to be connected, the fixed surface of the surperficial edge one side and drive roller (31) of main blade (32) is connected, the fixed surface of the surperficial edge and main blade (32) of vice blade (33) is connected, the surperficial one side and the surface of main blade (32) of bar magnet (34) just are close to marginal position fixed connection, bar magnet (34) set up to the same name magnetic pole with cambered surface magnetic sheet (434).
6. An electric discharge small hole machining tool as claimed in claim 5, characterized in that: the surface of the main blade (32) is set to be an arc-shaped curved surface, and the auxiliary blades (33) are uniformly distributed on the surface of the main blade (32).
7. An electric discharge small hole machining tool as claimed in claim 2, characterized in that: driven cleaning device (44) are equipped with bracing piece (441), S-shaped swinging member (442), rapping device (443), elasticity wire drawing (444), the fixed surface connection of support and edulcoration filter screen (42) is passed through to the tip of bracing piece (441), the top of S-shaped swinging member (442) is connected with the surface rotation of bracing piece (441), rapping device (443) set up in the surface of S-shaped swinging member (442) and be close to one side of edulcoration filter screen (42), elasticity wire drawing (444) set up between the corresponding both sides in S-shaped swinging member (442) surface top and edulcoration filter screen (42) surface top.
8. An edm machine as claimed in claim 7, characterized in that: the S-shaped swinging piece (442) is uniformly distributed on the surface of the supporting rod (441), and the knocking device (443) is uniformly distributed on the surface of the S-shaped swinging piece (442).
9. An edm machine as claimed in claim 7, characterized in that: the knocking device (443) is provided with a connecting base block (4431), an arc knocking head (4432) and a rubber layer (4433), one side of the surface of the connecting base block (4431) is fixedly connected with the surface of the S-shaped swinging piece (442), one side of the surface of the arc knocking head (4432) is fixedly connected with the surface of the connecting base block (4431) and is far away from one side of the S-shaped swinging piece (442), and the rubber layer (4433) is arranged on the surface of the arc knocking head (4432) and is far away from one side of the connecting base block (4431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210154536.3A CN114473097A (en) | 2022-02-21 | 2022-02-21 | Electric spark small hole machining method and machine tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210154536.3A CN114473097A (en) | 2022-02-21 | 2022-02-21 | Electric spark small hole machining method and machine tool |
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| CN202210154536.3A Pending CN114473097A (en) | 2022-02-21 | 2022-02-21 | Electric spark small hole machining method and machine tool |
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