CN111647923B - Low-noise micro-arc oxidation device - Google Patents
Low-noise micro-arc oxidation device Download PDFInfo
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- CN111647923B CN111647923B CN202010162988.7A CN202010162988A CN111647923B CN 111647923 B CN111647923 B CN 111647923B CN 202010162988 A CN202010162988 A CN 202010162988A CN 111647923 B CN111647923 B CN 111647923B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
Abstract
The invention relates to a low-noise micro-arc oxidation device, which comprises an outer box body, an electrolytic cell, a micro-arc oxidation power supply, a micro-arc oxidation anode, a micro-arc oxidation cathode and an inner box body, wherein a vacuum layer is arranged between the inner box body and the outer box body; an annular silencing device is arranged on the side edge of the noise shielding box body formed by the outer box body and the inner box body; the top of the noise shielding box body formed by the outer box body and the inner box body is provided with a silencing sealing device; the noise reduction effect is good, and the purpose of making an uproar is fallen in weakening that corresponds through the intensity to the noise, simple structure does not use sound absorbing material, avoids changing sound absorbing material at the in-process that uses, has saved the manufacturing cost and the use cost of whole device.
Description
Technical Field
The invention relates to the technical field of metal surface processing, in particular to a low-noise micro-arc oxidation device.
Background
Micro-arc oxidation is also called plasma oxidation, and is a new technology for growing oxide ceramics on the surfaces of nonferrous metals such as A1, Mg, Ti and the like and alloys thereof in situ. The anode is developed on the basis of the traditional anode oxidation, but breaks through the limitation of the anode oxidation on the voltage, and the applied voltage is higher. The technology is that metals such as Al, Mg, Ti and the like are put into a conductive solution, a thin oxide insulating film is immediately generated on the surface of the metal after electrification, and the potential at the interface of an electrolyte and the metal is sharply increased along with the rise of voltage, so that the weak part of the formed oxide insulating film is broken down, and the phenomenon of micro-arc discharge occurs. According to the technology, through the generation of high temperature and high pressure in a micro-arc discharge area, a layer of continuous, uniform and irregular material grows in situ on the surface of a base metal, and the material has great application value, such as high hardness, wear resistance, corrosion resistance, thermal shock resistance, electric breakdown resistance, biological activity and the like, so that the material has wide application prospects in many fields.
Although the micro-arc oxidation technology has the advantages, the micro-arc oxidation technology has the disadvantages, one of the technical disadvantages is that high voltage and high current density exist in the working process, the discharge process is violent, and huge noise is accompanied. The generation of noise is inevitable, which is determined by the characteristics of micro-arc oxidation itself, and in order to solve the technical problem, chinese patent CN101660186B provides a low-noise micro-arc oxidation apparatus, which solves the noise problem, but has a complex structure, and in the using process, the noise reduction is mainly performed by using a sound-absorbing material, but the voltage and current generated by micro-arc oxidation are too high, the temperature is also high, which causes certain damage to the sound-absorbing material, and the purpose of noise reduction cannot be performed for a long time, and the manufacturing cost of the whole equipment is increased, and the maintenance frequency of the equipment is increased due to the noise problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a low-noise micro-arc oxidation device which has a good noise reduction effect and does not cause the noise reduction efficiency reduction due to the influence of the environment.
In order to achieve the purpose, the invention adopts the following technical scheme that the low-noise micro-arc oxidation device comprises an outer box body, an electrolytic cell arranged in the outer box body, a micro-arc oxidation power supply arranged outside the outer box body, a micro-arc oxidation anode arranged at the upper end of the electrolytic cell and a micro-arc oxidation cathode arranged at the bottom of the electrolytic cell, wherein two poles of the micro-arc oxidation power supply are respectively electrically connected with the micro-arc oxidation anode and the micro-arc oxidation cathode;
an annular noise reduction hole is formed in the side edge of the noise shielding box body formed by the outer box body and the inner box body, the annular noise reduction hole is positioned below the sealing partition plate, and an annular noise reduction device for reducing noise generated in micro-arc oxidation is fixedly connected in the annular noise reduction hole in an embedded mode;
the top of the noise shielding box body formed by the outer box body and the inner box body is provided with a material inlet, and a silencing sealing device for silencing noise generated when gas generated during micro-arc oxidation passes through the noise shielding box body is hermetically installed in the material inlet.
The silencing and sealing device comprises a sealing frame body which is hermetically connected with the material inlet, a lower silencing plate, a middle silencing plate and an upper silencing plate are respectively arranged in the sealing frame body from bottom to top, the peripheries of the upper silencing plate and the lower silencing plate are fixedly connected with the sealing frame body, the middle silencing plate is positioned between the upper silencing plate and the lower silencing plate, and the middle silencing plate is horizontally pulled by a pulling device arranged on the upper silencing plate;
the lower silencing plate is provided with a plurality of lower silencing holes, the upper silencing plate is provided with a plurality of upper silencing holes which are aligned with the lower silencing holes one by one, the middle silencing plate is provided with a plurality of middle silencing large holes and middle silencing small holes, the middle silencing large holes are used for communicating the lower silencing holes with the upper silencing holes under the pulling of the middle silencing plate, and the middle silencing small holes are used for communicating the lower silencing holes with the upper silencing holes.
The pulling device comprises a stay cord driving winding drum fixedly arranged above the upper silencing plate, a first stay cord and a second stay cord which are wound on the stay cord driving winding drum respectively, the first stay cord and the second stay cord are wound on the stay cord driving winding drum in opposite directions, the end parts of the first stay cord and the second stay cord are wound around guide pulleys respectively arranged on two sides of the top of the upper silencing plate and fixedly connected with two ends of the middle silencing plate through the two sides of the upper silencing plate.
The utility model discloses a well abatvoix, including well abatvoix both ends, be equipped with in the abatvoix both ends, the down abatvoix both ends are equipped with down abatvoix fixed connection's locating plate and well abatvoix both ends respectively through compression spring fixed connection, the tip of first stay cord and second stay cord passes the locating plate that corresponds and compression spring and the tip fixed connection of well abatvoix respectively.
The pull rope driving winding drum comprises a winding drum support and a winding drum body arranged on the winding drum support, the winding drum body is fixedly connected to the winding drum support through a rotating shaft, and a driven gear is fixedly arranged on one side of the rotating shaft;
a rotating hand wheel is arranged on one side of the winding drum support, a connecting rotating shaft with the middle part movably connected with the winding drum support is fixedly connected onto the rotating hand wheel, and the end part of the connecting rotating shaft penetrates through the winding drum support to be fixedly connected with a driving gear meshed with the driven gear;
the winding drum body is divided into a first pull rope winding area and a second pull rope winding area through an annular partition plate.
The annular silencing device comprises an annular sealing frame body fixedly connected with the annular noise reduction hole, and the annular sealing frame body is sequentially provided with an annular buffering collision plate, an inner annular silencing plate, a rotary annular silencing plate and an outer annular silencing plate from inside to inside; the annular buffering collision plate is fixedly connected with the inner annular silencing plate through a plurality of damping springs, and the outer wall of the annular collision plate is in sliding contact with the inner wall of the annular sealing frame body; the inner annular sound-absorbing plate and the outer annular sound-absorbing plate are fixedly connected with the annular sealing frame body;
a rotating motor is fixedly arranged at the outer center position of the outer annular sound-absorbing plate, a rotating shaft of the rotating motor penetrates through the middle part of the outer annular sound-absorbing plate and is fixedly connected with the rotating annular sound-absorbing plate, and the rotating motor drives the rotating annular sound-absorbing plate to rotate on the inner annular sound-absorbing plate and the outer annular sound-absorbing plate;
interior annular acoustical panel and outer annular acoustical panel are last to be equipped with a plurality of interior amortization round holes and the outer amortization round hole that align each other respectively, it is equipped with a plurality of little amortization round holes and big amortization round hole to rotate to be equipped with on the annular acoustical panel, when rotating the motor and driving and rotate annular acoustical panel and rotate, little amortization round hole will interior amortization round hole and outer amortization round hole intercommunication, or big amortization round hole will interior amortization round hole and outer amortization round hole intercommunication.
The material inlet is fixedly connected with the silencing sealing device through a frame body sealing rubber layer; the annular silencing device and the annular noise reduction hole are fixedly connected through an annular rubber ring.
The side of the outer box body is fixedly provided with a power supply driving box, and the micro-arc oxidation power supply and the rotating motor are positioned in the power supply driving box.
The invention has the beneficial effects that: the noise reduction effect is good, and the purpose of making an uproar is fallen in weakening that corresponds through the intensity to the noise, has avoided adopting sound absorbing material to cause destruction to sound absorbing material under the effect of high voltage, high current, and then loses the effect of inhaling the sound, and the structure is simpler, does not use sound absorbing material, avoids changing sound absorbing material at the in-process that uses, has saved the manufacturing cost and the use cost of whole device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the sound-deadening sealing device according to the present invention;
FIG. 3 is a schematic view showing the construction of the annular silencer according to the present invention;
FIG. 4 is a schematic view of the construction of the rope drive spool in the sound-absorbing sealer;
fig. 5 is a schematic view of the structure of a rotating annular sound-deadening plate in the annular sound-deadening device.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1, a low-noise micro-arc oxidation device includes an outer case 1, an electrolytic cell 3 disposed in the outer case 1, a micro-arc oxidation power supply 6 disposed outside the outer case 1, a micro-arc oxidation anode 4 disposed at the upper end of the electrolytic cell 3, and a micro-arc oxidation cathode 5 disposed at the bottom of the electrolytic cell 3, wherein two poles of the micro-arc oxidation power supply 6 are electrically connected to the micro-arc oxidation anode 4 and the micro-arc oxidation cathode 5, respectively, and the micro-arc oxidation device formed by the electrolytic cell 3, the micro-arc oxidation power supply 6, the micro-arc oxidation anode 4, and the micro-arc oxidation cathode 5 belongs to the conventional technology in the technical field, and the present application does not create or create inventions for the principle of the micro-arc oxidation device, so the detailed structure of the micro-;
an inner box body 2 is arranged in the outer box body 1, a vacuum layer 12 is arranged between the inner box body 2 and the outer box body 1, and the vacuum layer formed between the inner box body 2 and the outer box body 1 can effectively play a role of noise reduction and can reduce the mass of the whole device;
the electrolytic cell 3 is fixedly connected in the inner box body 2 through a sealing partition plate 11 arranged at the upper part of the inner box body 2, a condensed water tank 13 is arranged at the bottom of the inner box body 2, and the bottom of the electrolytic cell 3 is positioned in the condensed water tank 13; condensed water is added into the condensed water tank 13 to cool the electrolytic cell, so that the phenomenon that the stability of the electrolytic cell is too high and a large amount of noise is generated when micro-arc oxidation is carried out is avoided;
an annular noise reduction hole is formed in the side edge of the noise shielding box body formed by the outer box body 1 and the inner box body 2, the annular noise reduction hole is positioned below the sealing partition plate 11, and an annular noise reduction device 8 for reducing noise generated in micro-arc oxidation is fixedly connected in the annular noise reduction hole in an embedded mode; the sealed partition plate 11 is used for vertically sealing and separating the inner box body 2, separating noises generated by different reasons and specifically reducing the noises, so that the noise reduction efficiency is ensured, the noises can be generated during micro-arc oxidation reaction, meanwhile, the gas generated during reaction can not pass through the box body to a certain extent, the gas is separated by the partition plate, the noises generated by the gas and the noises generated during reaction can be treated in different extents, part of the noises generated in the electrolytic bath can be transmitted through the periphery of the noise shielding box body, and the annular silencing device 8 is arranged for reducing the noises transmitted through the wall of the noise shielding box body;
the top of the noise shielding box body formed by the outer box body 1 and the inner box body 2 is provided with a material inlet, and a silencing sealing device 7 for silencing noise generated when gas generated during micro-arc oxidation passes through the noise shielding box body is hermetically arranged in the material inlet. The silencing sealing device 7 is arranged above the noise shielding box body. The silencing sealing device can remove gas generated by reaction and reduce noise generated by the removed gas, can ensure the sealing performance of the whole device through the combined action of the annular silencing device 8, the silencing sealing device 7 and the noise shielding box body, is convenient for connecting internal devices and external devices, and does not influence the noise reduction efficiency due to the connection relationship;
the material inlet is fixedly connected with the silencing sealing device 7 through a frame body sealing rubber layer 9; annular silencing device 8 and annular noise subduct hole pass through annular rubber circle 10 fixed connection, connect through rubber seal, make things convenient for annular silencing device 8 and amortization sealing device 7 to dismantle and install to can also guarantee its leakproofness, the annular silencing device 8 that is equipped with is mainly in order to weaken the connection of inside components and parts and outside components and parts, does not play the influence to the noise cancelling effect of whole device simultaneously.
When the silencing sealing device 7 is used for silencing, the technical scheme shown in fig. 2 is adopted, specifically, the silencing sealing device 7 comprises a sealing frame 701 which is in sealing connection with a material inlet, a lower silencing plate 702, a middle silencing plate 704 and an upper silencing plate 707 are respectively arranged in the sealing frame 701 from bottom to top, the peripheries of the upper silencing plate 707 and the lower silencing plate 702 are fixedly connected with the sealing frame 701, the middle silencing plate 704 is positioned between the upper silencing plate 707 and the lower silencing plate 702, and the middle silencing plate 704 horizontally pulls the middle silencing plate 704 through a pulling device arranged on the upper silencing plate 707;
the lower sound-absorbing plate 702 is provided with a plurality of lower sound-absorbing holes 703, the upper sound-absorbing plate 707 is provided with a plurality of upper sound-absorbing holes 708 aligned with the lower sound-absorbing holes 703 one by one, the middle sound-absorbing plate 707 is provided with a plurality of middle sound-absorbing large holes 705 and middle sound-absorbing small holes 706, the middle sound-absorbing plate 704 is pulled by a pulling device, the middle sound-absorbing large holes 705 communicate the lower sound-absorbing holes 703 with the upper sound-absorbing holes 708, and the middle sound-absorbing small holes 706 communicate the lower sound-absorbing holes 703 with the upper.
The silencing holes are used for silencing, so that generated gas can be discharged, the effect of silencing noise in the box body can be ensured, overlarge noise caused by the gas discharged out of the box body is avoided, the silencing holes are used for silencing, and the defects that sound absorption materials lose sound absorption effect due to the fact that sound absorption materials are used for absorbing sound at early high temperature, high voltage and high current are overcome;
specifically, when producing gas greatly, need a large amount of exhaust gas, and reduce the noise that its gas produced, through in the pulling device latin, the well amortization macropore in the soundboard 704 makes on the well soundboard will be gone up and down the soundboard switch-on, the carminative effect has been increaseed this moment, and can not produce too big noise, it is little when the noise, through in the pulling device pulling, soundboard 704 is to opposite square motion in the soundboard 704, will well the soundboard aperture with go up and down the soundboard switch-on, carry out the processing of making an uproar when little exhaust, when need not to exhaust, well soundboard separates upper and lower soundboard, avoid gaseous outflow to produce the noise, when having improved noise reduction efficiency, the stability of the box.
The pulling device comprises a rope driving reel 713 fixedly arranged above the upper silencing plate 707, a first rope 711 and a second rope 712 respectively wound on the rope driving reel 713, the directions of the first rope 711 and the second rope 712 wound on the rope driving reel 713 are opposite, and the end parts of the first rope 711 and the second rope 712 respectively bypass guide pulleys 714 respectively arranged on two sides of the top of the upper silencing plate 707 and penetrate through two sides of the upper silencing plate 713 to be fixedly connected with two ends of the middle silencing plate 704. The winding of the first pull rope 711, the unwinding of the second pull rope or the unwinding of the first pull rope and the winding of the second pull rope are realized through the forward rotation or the overturning of the driving winding drum 713, the centering and sound-absorbing plate is pulled leftwards and rightwards, the sound-absorbing plate can move smoothly in the pulling process, and the sound-absorbing holes can be communicated with the upper sound-absorbing hole and the lower sound-absorbing hole.
Preferably, in order to ensure that the middle noise-canceling plate 704 can automatically return to the initial position when not being subjected to an external force, the upper noise-canceling plate 707 and the lower noise-canceling plate 702 at the two ends of the middle noise-canceling plate 704 are fixedly connected through the positioning plate 709 respectively, the positioning plate 709 arranged at the two ends of the middle noise-canceling plate 704 and used for fixedly connecting the upper noise-canceling plate 707 and the lower noise-canceling plate 702 are fixedly connected with the two ends of the middle noise-canceling plate 704 through the compression springs 710 respectively, and the end portions of the first pull rope 711 and the second pull rope 712 respectively penetrate through the corresponding positioning plate 709 and the compression springs 710 and are fixedly connected with the end portion. The locating plate be used for prescribing a limit to the pulling displacement of centering abatvoix, the compression spring that is equipped with guarantees that when the pulling, the compression spring of one side is compressed, the opposite side is stretched, when not receiving the effort, the compression spring of this both sides need reset, pushes away the initial position with the abatvoix, for next removal preparation, makes the abatvoix fix a position more accurate at the in-process that removes in making, can conveniently be with the accurate switch-on of upper and lower abatvoix.
Meanwhile, as shown in fig. 4, the rope-pulling driving reel 713 includes a reel support 715 and a reel body disposed on the reel support 715, the reel body is fixedly connected to the reel support 715 through a rotating shaft 718, and a driven gear 719 is fixedly disposed on one side of the rotating shaft 718;
a rotating hand wheel 721 is arranged on one side of the winding drum support 715, a connecting rotating shaft 722 of which the middle part is movably connected with the winding drum support 715 is fixedly connected to the rotating hand wheel 712, and the end part of the connecting rotating shaft 722 penetrates through the winding drum support 715 to be fixedly connected with a driving gear 720 engaged with the driven gear 719; the spool support 715 is fixed to the upper acoustic panel while avoiding the upper acoustic muffler holes.
The spool body is divided into a first cord wrap 716 and a second cord wrap 717 by an annular partition. When the winding drum is used, the winding drum body is rotated through the hand wheel, and the first pull rope winding area 716 and the second pull rope winding area 717 on the winding drum body respectively wind or unwind the first pull rope and the second pull rope, namely when the first pull rope is wound, the second pull rope is unwound, and when the second pull rope is wound, the first pull rope is unwound; the rotation is carried out in a gear meshing mode, and the relative movement cannot occur after the moving position of the silencing plate is ensured.
The noise reduction device 8 can reduce noise generated, as shown in fig. 3, the annular noise reduction device 8 includes an annular sealing frame 801 fixedly connected to an annular noise reduction hole, and the annular sealing frame 801 is provided with an annular buffer collision plate 802, an inner annular noise reduction plate 803, a rotary annular noise reduction plate 805 and an outer annular noise reduction plate 808 in sequence from inside to inside; the annular buffer collision plate 802 and the inner annular silencing plate 803 are fixedly connected through a plurality of damping springs 810, and the outer wall of the annular collision plate 802 is in sliding contact with the inner wall of the annular sealing frame body 801; the inner annular sound-absorbing plate 803 and the outer annular sound-absorbing plate 808 are fixedly connected with the annular sealing frame body 801;
a rotating motor 811 is fixedly arranged at the outer center position of the outer annular sound-absorbing plate 808, the rotating shaft of the rotating motor 811 penetrates through the middle part of the outer annular sound-absorbing plate 808 to be fixedly connected with the rotating annular sound-absorbing plate 805, and the rotating motor 811 drives the rotating annular sound-absorbing plate 805 to rotate on the inner annular sound-absorbing plate 803 and the outer annular sound-absorbing plate 808;
a plurality of inner silencing circular holes 804 and outer silencing circular holes 809 which are aligned with each other are respectively formed in the inner annular silencing plate 803 and the outer annular silencing plate 808, as shown in fig. 5, a plurality of small silencing circular holes 807 and large silencing circular holes 806 are formed in the rotary annular silencing plate 805, and when the rotary motor 811 drives the rotary annular silencing plate 805 to rotate, the small silencing circular holes 807 communicate the inner silencing circular holes 804 with the outer silencing circular holes 809, or the large silencing circular holes 806 communicate the inner silencing circular holes 804 with the outer silencing circular holes 809.
When the noise reduction treatment is carried out, sound waves generated by noise pass through the electrolytic cell to collide with the annular buffering collision plate 802, when sound waves of noise collide, the power of the sound waves is reduced, meanwhile, the annular buffering collision plate 802 is connected with the inner annular silencing plate 803 through a plurality of damping springs 810, the effect of damping can be achieved, the sound waves after collision are further silenced through the inner annular silencing plate 803, the rotating annular silencing plate 805 and the outer annular silencing plate 808, so that the noise generated by the whole electrolytic cell is effectively treated, specifically, the noise enters the inner silencing circular hole, then through the size of the noise, the rotating motor drives the rotating annular silencing plate 805 to rotate, the inner silencing circular hole 804 is communicated with the outer silencing circular hole 809 through the small silencing circular hole 807 or the large silencing circular hole 806, and different treatments are carried out on the noise with different sizes, the noise reduction efficiency is effectively improved.
Further, in order to ensure the integrity of the whole device; the side of the outer box body 1 is fixedly provided with a power supply driving box 14, and the micro-arc oxidation power supply 6 and the rotating motor 811 are positioned in the power supply driving box 14.
According to the noise reduction device, when noise is processed, the energy of sound waves is mainly reduced, and the noise is effectively processed through the silencing holes, so that the situation that a sound absorption material is adopted and is used under the conditions of high voltage, high current and high temperature for a long time, the sound absorption effect is easily lost is avoided, the noise reduction efficiency is effectively improved, meanwhile, the sound absorption material does not need to be replaced, and the maintenance cost and the use cost are reduced.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, and all designs identical or similar to the present invention are within the scope of the invention.
Claims (8)
1. A low-noise micro-arc oxidation device comprises an outer box body (1), an electrolytic tank (3) arranged in the outer box body (1), a micro-arc oxidation power supply (6) arranged outside the outer box body (1), a micro-arc oxidation anode (4) arranged at the upper end of the electrolytic tank (3), and a micro-arc oxidation cathode (5) arranged at the bottom of the electrolytic tank (3), wherein two poles of the micro-arc oxidation power supply (6) are respectively and electrically connected with the micro-arc oxidation anode (4) and the micro-arc oxidation cathode (5); an inner box body (2) is arranged in the outer box body (1), a vacuum layer (12) is arranged between the inner box body (2) and the outer box body (1), the electrolytic tank (3) is fixedly connected in the inner box body (2) through a sealing partition plate (11) arranged at the upper part of the inner box body (2), a condensate water tank (13) is arranged at the bottom of the inner box body (2), and the bottom of the electrolytic tank (3) is positioned in the condensate water tank (13);
an annular noise reduction hole is formed in the side edge of the noise shielding box body formed by the outer box body (1) and the inner box body (2), the annular noise reduction hole is positioned below the sealing partition plate (11), and an annular noise reduction device (8) used for reducing noise generated during micro-arc oxidation is fixedly connected in the annular noise reduction hole in an embedded mode;
the material import has been seted up at the top of the noise shielding box that outer box (1) and inner box (2) formed, sealed mounting has in the material import and is used for carrying out amortization sealing device (7) that the noise that the gas that generates when micro arc oxidation passed noise shielding box production.
2. The low-noise micro-arc oxidation device according to claim 1, wherein the silencing and sealing device (7) comprises a sealing frame body (701) connected with the material inlet in a sealing manner, a lower silencing plate (702), a middle silencing plate (704) and an upper silencing plate (707) are respectively arranged in the sealing frame body (701) from bottom to top, the peripheries of the upper silencing plate (707) and the lower silencing plate (702) are fixedly connected with the sealing frame body (701), the middle silencing plate (704) is positioned between the upper silencing plate (707) and the lower silencing plate (702), and the middle silencing plate (704) horizontally pulls the middle silencing plate (704) through a pulling device arranged on the upper silencing plate (707);
be equipped with a plurality of lower bloops (703) on lower abatvoix (702), be equipped with a plurality of upper bloops (708) with lower bloops (703) one-to-one alignment on upper abatvoix (707), be equipped with a plurality of well amortization macropore (705) and well amortization aperture (706) on well abatvoix (707), well abatvoix (704) is under the pulling device pulling, well amortization macropore (705) will be bloop (703) and upper bloop (708) intercommunication down, well amortization aperture (706) will be bloop (703) and upper bloop (708) intercommunication down.
3. The low-noise micro-arc oxidation device according to claim 2, wherein the pulling device comprises a rope driving reel (713) fixedly arranged above the upper silencing plate (707), a first rope (711) and a second rope (712) respectively wound on the rope driving reel (713), the first rope (711) and the second rope (712) are wound on the rope driving reel (713) in opposite directions, and the ends of the first rope (711) and the second rope (712) respectively pass through guide pulleys (714) respectively arranged on two sides of the top of the upper silencing plate (707) and pass through two sides of the upper silencing plate (713) to be fixedly connected with two ends of the middle silencing plate (704).
4. The low-noise micro-arc oxidation device according to claim 3, wherein the upper silencing plate (707) and the lower silencing plate (702) at two ends of the middle silencing plate (704) are fixedly connected through a positioning plate (709), the positioning plate (709) which is arranged at two ends of the middle silencing plate (704) and fixedly connects the upper silencing plate (707) and the lower silencing plate (702) and two ends of the middle silencing plate (704) are fixedly connected through a compression spring (710), and the ends of the first pull rope (711) and the second pull rope (712) respectively penetrate through the corresponding positioning plate (709) and the compression spring (710) to be fixedly connected with the end of the middle silencing plate (704).
5. The low-noise micro-arc oxidation device according to claim 3, wherein the pull rope driving reel (713) comprises a reel support (715) and a reel body arranged on the reel support (715), the reel body is fixedly connected to the reel support (715) through a rotating shaft (718), and a driven gear (719) is fixedly arranged on one side of the rotating shaft (718);
a rotating hand wheel (721) is arranged on one side of the winding drum support (715), a connecting rotating shaft (722) with the middle part movably connected with the winding drum support (715) is fixedly connected onto the rotating hand wheel (712), and the end part of the connecting rotating shaft (722) penetrates through the winding drum support (715) and is fixedly connected with a driving gear (720) meshed with the driven gear (719);
the spool body is divided into a first cord winding area (716) and a second cord winding area (717) by an annular partition.
6. The low-noise micro-arc oxidation device according to claim 1 or 2, wherein the annular silencing device (8) comprises an annular sealing frame body (801) fixedly connected with the annular noise reduction hole, and the annular sealing frame body (801) is provided with an annular buffering collision plate (802), an inner annular silencing plate (803), a rotary annular silencing plate (805) and an outer annular silencing plate (808) in sequence from inside to inside; the annular buffering collision plate (802) and the inner annular silencing plate (803) are fixedly connected through a plurality of damping springs (810), and the outer wall of the annular buffering collision plate (802) is in sliding contact with the inner wall of the annular sealing frame body (801); the inner annular sound-absorbing plate (803) and the outer annular sound-absorbing plate (808) are fixedly connected with the annular sealing frame body (801);
a rotating motor (811) is fixedly arranged at the outer center position of the outer annular sound-absorbing plate (808), a rotating shaft of the rotating motor (811) penetrates through the middle part of the outer annular sound-absorbing plate (808) to be fixedly connected with the rotating annular sound-absorbing plate (805), and the rotating motor (811) drives the rotating annular sound-absorbing plate (805) to rotate on the inner annular sound-absorbing plate (803) and the outer annular sound-absorbing plate (808);
interior annular acoustical panel (803) and outer annular acoustical panel (808) are last to be equipped with a plurality of interior amortization round hole (804) and outer amortization round hole (809) that align each other respectively, it is equipped with a plurality of little amortization round holes (807) and big amortization round hole (806) to rotate on annular acoustical panel (805), when rotating motor (811) and driving and rotating annular acoustical panel (805) and rotate, little amortization round hole (807) communicate interior amortization round hole (804) and outer amortization round hole (809), or big amortization round hole (806) communicate interior amortization round hole (804) and outer amortization round hole (809).
7. The low-noise micro-arc oxidation device according to claim 1, wherein the material inlet is fixedly connected with the silencing sealing device (7) through a frame sealing rubber layer (9); the annular silencing device (8) is fixedly connected with the annular noise reduction hole through an annular rubber ring (10).
8. The low-noise micro-arc oxidation device according to claim 6, wherein a power driving box (14) is fixedly arranged on the side of the outer box body (1), and the micro-arc oxidation power supply (6) and the rotating motor (811) are positioned in the power driving box (14).
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| CN101660186B (en) * | 2009-10-09 | 2011-01-19 | 哈尔滨工业大学 | Low-noise micro-arc oxidation device |
| CN203307441U (en) * | 2012-05-11 | 2013-11-27 | 贵州东儒机械设备有限公司 | Ejector |
| KR102257499B1 (en) * | 2016-05-03 | 2021-05-31 | 엘지전자 주식회사 | Linear compressor and a method for manufacturing the same |
| KR101804481B1 (en) * | 2017-05-30 | 2017-12-04 | (주)네오피엠씨 | Hanger device for plating with impact buffer structure |
| CN110486124A (en) * | 2018-05-03 | 2019-11-22 | 佛山市嘉懿行农业科技有限公司 | A kind of automobile exhaust gas purifying installation |
| CN209294544U (en) * | 2018-12-19 | 2019-08-23 | 南京自控仪表有限公司 | Hydrogen gas recovering device High Pressure Difference multistage low noise sleeve adjusting valve |
| CN209772641U (en) * | 2019-01-10 | 2019-12-13 | 天津青燕浩宇机械加工有限公司 | High-power ultrasonic transducer sound-proof housing |
| CN210033757U (en) * | 2019-04-02 | 2020-02-07 | 浙江斯柯特新能源科技有限公司 | Noise reduction and silencing pad for vacuum pump |
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