CN212349055U - Gas shielded ball-milling system for aluminum paste - Google Patents

Abstract

The utility model discloses an aluminum paste gas protection ball-milling system, including raw materials supply portion, symmetry ball-milling portion, gas protection portion, unloading screening portion, fluid recovery portion and oil circuit cooling portion, raw materials supply portion includes raw materials jar, compounding bucket and cold oil storage tank, the compounding bucket communicates with raw materials jar and cold oil storage tank respectively, the compounding bucket mixes aluminite powder and kerosene and carries to symmetry ball-milling portion, symmetry ball-milling portion includes two at least mutually independent ball mills, gas protection portion includes the gas holder, gas holder and symmetry ball-milling portion intercommunication to pack protective gas in the symmetry ball-milling portion.

Description

Gas shielded ball-milling system for aluminum paste

Technical Field

The utility model relates to a preparation of metallic pigment, in particular to aluminum paste gas shielded ball-milling system.

Background

The aluminum paste belongs to one of metal pigments and can be divided into two categories of floating type silver paste and non-floating type silver paste, the floating type silver paste floats on the surface of a coating film due to low surface tension of the floating type silver paste, the floating type silver paste has extremely high light reflectivity and chromium plating effect, but aluminum sheets easily fall off from the surface of the coating film to cause difficulty in recoating, and the floating type silver paste is applied to occasions such as corrosion prevention, roofs, tanks and the like; the non-floating silver paste can be completely wetted by the coating, is uniformly distributed in the whole paint film, has the sinking tendency, is firm and stable in paint film, can be recoated with finish, and is widely applied to various occasions such as vehicles, furniture, electronic products, coiled materials and the like.

Among the prior art, the chinese utility model patent that the grant bulletin number is "CN 207042639U" discloses a continuous production system of aluminum paste, and it carries out the ball-milling to aluminum paste through the ball mill, then carries out the partial shipment through the shale shaker, but this kind of production system's aluminum paste production efficiency is lower, and aluminum paste takes place the oxidation easily in process of production simultaneously, and is not high to the recycle ratio of kerosene.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aluminum paste gas protection ball-milling system has that production efficiency is high, aluminum paste oxidation degree is low, carry out the advantage of retrieving to abandonment fluid.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an aluminium silver thick liquid gas protection ball-milling system, includes raw materials supply portion, symmetry ball-milling portion, gas protection portion, unloading screening part, fluid recovery portion and oil circuit cooling portion, raw materials supply portion includes raw materials jar, compounding bucket and cold oil storage tank, the compounding bucket communicates with raw materials jar and cold oil storage tank respectively, the compounding bucket mixes aluminite powder and kerosene and carries to symmetry ball-milling portion, symmetry ball-milling portion includes two at least mutually independent ball mills, gas protection portion includes the gas holder, gas holder and symmetry ball-milling portion intercommunication to pack protective gas in the symmetry ball-milling portion.

Preferably, the symmetrical ball milling part comprises a first rotating device, a second rotating device, a first ball mill and a second ball mill, the first ball mill and the second ball mill respectively comprise a feeding shaft, a discharging shaft and a bearing seat, the bearing seats are respectively in rotating connection with the feeding shaft and the discharging shaft, the first ball mill and the second ball mill are arranged in a rotating symmetrical mode, the first rotating device drives the first ball mill to rotate, the second rotating device drives the second ball mill to rotate, the first rotating device and the second rotating device are arranged in a rotating symmetrical mode, the first rotating device is arranged on the side face of the first ball mill, and the second rotating device is arranged on the side face of the second ball mill.

Through adopting above-mentioned technical scheme, aluminum paste is at the in-process of production preparation, need pass through ball mill ball-milling more than 10 hours, then aluminum paste after the ball-milling need pass through technological processes such as multichannel filter-pressing and screening, at the in-process of ball-milling, other process steps need wait for the aluminum paste after the ball-milling, consequently, through setting up first ball mill and second ball mill, stagger the process of mutual ball-milling between them, can reach a ball mill and carry out the ball-milling, another ball mill carries out the process of unloading, the production efficiency is improved, the inside space of factory building is saved more to first ball mill and the second ball mill that rotational symmetry set up simultaneously, simultaneously at both during operation, effectively reduce the vibration of frame.

Preferably, the first rotating device includes a first rotating motor, a first transmission case, a first driving belt and a first synchronous belt, the first driving belt is disposed between the first rotating motor and the first transmission case, and the first synchronous belt is disposed between the first transmission case and the first ball mill.

Through adopting above-mentioned technical scheme, first gearbox is rotated through the first driving band drive first gearbox of first rotation motor, and first gearbox drives first ball mill through this synchronous belt and takes place to rotate, and then has realized the rotation of first ball mill.

Preferably, the second rotating device comprises a second rotating motor, a second gearbox, a second driving belt and a second synchronous belt, the second driving belt is arranged between the second rotating motor and the second gearbox, and the second synchronous belt is arranged between the second gearbox and the second ball mill.

Through adopting above-mentioned technical scheme, the second rotates the motor and passes through the rotation of second driving band drive second gearbox, and the second gearbox drives the second ball mill through this second hold-in range and takes place to rotate, and then has realized the rotation of second ball mill.

Preferably, the first synchronous belt comprises a driving pulley and a driven pulley, the driving pulley is arranged on the first rotating motor, and the driven pulley is sleeved on the outer side of the circumference of the first ball mill.

Through adopting above-mentioned technical scheme, through mutually supporting of driving pulley and first synchronous belt, when driving pulley rotates, take place to rotate through first synchronous belt drive driven pulley, because driven pulley cover is established outside first ball mill, when driven pulley takes place to rotate, first ball mill takes place to rotate.

Preferably, the rack is provided with a first base, and the first base is respectively arranged at the bottoms of the first ball mill and the second ball mill.

Through adopting above-mentioned technical scheme, first base has played the effect of supporting first ball mill and second ball mill.

Preferably, the first base comprises a reinforcing plate arranged on the frame, the reinforcing plate extends along the horizontal direction, and the bearing seat is arranged on the reinforcing plate.

Through adopting above-mentioned technical scheme, the gusset plate has improved the support intensity to the bearing frame.

Preferably, the rack is provided with a second base, and the second base is respectively arranged at the bottoms of the first rotating device and the second rotating device.

Through adopting above-mentioned technical scheme, the second base has played the effect of supporting first rotating device and second rotating device, makes things convenient for first rotating device and second rotating device's location simultaneously.

Preferably, the second base comprises a reinforcing rod and two reinforcing plates, the reinforcing rod is arranged on the rack in parallel, the reinforcing plates are arranged on the reinforcing rod, and the first rotating motor and the first gearbox are arranged on the reinforcing plates.

Through adopting above-mentioned technical scheme, the stiffener has played the effect of supporting the reinforcing plate, and stiffener and reinforcing plate play the positioning action to first rotating device and second rotating device simultaneously.

Preferably, the raw materials supply portion still includes the feeding frame, the upper portion of feeding frame is provided with raw materials jar, the lower part of feeding frame is provided with the compounding bucket, raw materials jar's top is provided with the lid, the top of compounding bucket is provided with charge door and tank filler sleeve, raw materials jar's bottom is provided with the spiral inlet pipe with the charge door intercommunication, the bottom of compounding bucket is provided with the blowdown pipeline, the top of compounding bucket is provided with the mixer, be provided with the puddler that extends into in the compounding bucket on the mixer.

Through adopting above-mentioned technical scheme, the raw materials jar sets up on the upper portion of feeding frame, and the compounding bucket sets up the lower part at the feeding frame, and then sets up raw materials jar and compounding bucket on same feeding frame, and space utilization is higher, and the setting of this kind of structure simultaneously makes things convenient for the raw materials to pass through spiral inlet pipe and falls in to the compounding bucket under the effect of gravity, has reduced the length and the structure of raw materials transportation, and the structure is retrencied.

Preferably, the bottom of the raw material tank is conical.

Through adopting above-mentioned technical scheme, make things convenient for the raw materials to move down on the spigot surface that the slope set up to get into in the spiral feed pipe.

Preferably, the side wall of the raw material tank is provided with a vibrator.

Through adopting above-mentioned technical scheme, avoid the raw materials to take place to block up in the raw materials jar.

Preferably, the side wall of the raw material tank is provided with a fixed seat, and the vibrator is arranged on the fixed seat.

Through adopting above-mentioned technical scheme, in the lateral wall cooperation of conical raw materials jar, improve the fixed effect to the vibrator.

Preferably, the top of the feeding frame is provided with a top plate, the top of the raw material tank is connected with the top plate, and a spring is arranged between the bottom of the top plate and the top of the feeding frame.

Through adopting above-mentioned technical scheme, the roof has played the effect that supplies raw materials material jar to connect, and roof and spring cooperation have improved the vibration effect of vibrator, make things convenient for the raw materials whereabouts.

Preferably, a flexible connecting pipe is arranged between the spiral feeding pipe and the feeding hole.

Through adopting above-mentioned technical scheme, flexible connection pipe avoids the spiral feeding pipe to receive the vibration back, and takes place the striking between the compounding bucket.

Preferably, an air filter is arranged at the top of the raw material tank.

Through adopting above-mentioned technical scheme, avoid in the raw materials jar because the raw materials reduces and produces the negative pressure, avoid the air admission raw materials jar simultaneously in influence the quality of final aluminium silver thick liquid.

Preferably, the top of the mixing barrel is further provided with an observation hole and a stirring hole for the stirrer to penetrate through, the stirring hole is formed near the center of the top of the mixing barrel, and the observation hole and the feeding hole are formed in two sides of the stirring hole.

Through adopting above-mentioned technical scheme, observe the inside condition of compounding bucket through the observation hole.

Preferably, the gas protection part comprises an air compressor and a first gas path, the first gas path comprises a feeding pump and a discharging pump which are arranged on two sides of the ball mill, and the first gas path is communicated with the feeding pump and the discharging pump respectively.

Through adopting above-mentioned technical scheme, at the ball-milling in-process of aluminium silver thick liquid, the both ends of ball mill let in inert protective gas through the gas holder, at the ball-milling in-process of ball mill, protective gas is through charge pump and the discharge pump that is connected to the ball mill both ends, constantly circulate in the ball-mill, make aluminium silver thick liquid ball-milling in-process unable with oxygen or air contact, avoided the too big aluminium powder of specific surface area to contact with the air, the burning of aluminium powder has been avoided, aluminium powder and aluminium silver thick liquid's oxidation has been avoided simultaneously, final aluminium silver thick liquid's quality has been improved.

Preferably, the first air passage comprises a blow valve.

By adopting the technical scheme, the high-pressure air blowing valve realizes the function of controlling liquid or gas flow and is mainly operated and controlled by one coil; when the coil is electrified, a magnetic field is created, the plunger in the coil moves, the design of the air blowing valve enables any one of the inspirations to be closed, after the current is removed from the coil, the air blowing valve returns to a closed state, the air blowing valve is provided with an inlet and an outlet, the two ports can enable the air to be controlled manually more freely, and the operation reliability is very high.

Preferably, the purge valve is disposed between the feed pump and the air reservoir.

By adopting the technical scheme, the air inlet of the protective gas is controlled.

Preferably, the blowing valve is arranged between the discharge pump and the air storage tank.

Through adopting above-mentioned technical scheme, the giving vent to anger of control protective gas can effectively avoid the atmospheric pressure in the ball mill to cause the influence along with the rising of temperature, can effectively and quick exhaust again, makes protective gas produce the circulation in ball mill inside.

Preferably, a one-way valve is arranged between the feeding pump and the ball mill, and the one-way valve discharges gas outwards.

By adopting the technical scheme, the air pressure is prevented from being too high, and the effect of primary exhaust is achieved.

Preferably, the filter press further comprises a second gas path, one end of the second gas path is communicated with the gas storage tank, and the other end of the second gas path is communicated with the filter press.

Through adopting above-mentioned technical scheme, provide gas protection to the filter-pressing of pressure filter, avoid aluminium powder etc. and air contact simultaneously.

Preferably, the gas filter further comprises a third gas circuit and a pressure filter pump, wherein the pressure filter pump is communicated with the bottom of the vibrating screen, one end of the third gas circuit is communicated with the pressure filter pump, and the other end of the third gas circuit is communicated with the gas storage tank.

Through adopting above-mentioned technical scheme, provide the atmospheric pressure of action to the filter-pressing pump, make its flow of controlling aluminium paste.

Preferably, the gas-liquid separator further comprises a fourth gas path and at least one waste oil pump, wherein one end of the fourth gas path is communicated with the waste oil pump, and the other end of the fourth gas path is communicated with the gas storage tank.

By adopting the technical scheme, the waste oil pump is provided with the acting air pressure, so that the waste oil pump controls the recovery of waste oil.

As preferred, the unloading screening part includes the bank of screens, the bank of screens includes storage bucket, shale shaker and storage bucket down from top to bottom in proper order, the top of bank of screens is provided with first pipeline, first pipeline downwardly extending is to the storage bucket in, the bottom of storage bucket is run through and is provided with first discharge gate, the shale shaker sets up the below at first discharge gate, the bottom of shale shaker is provided with the second pipeline, second pipeline downwardly extending just runs through the storage bucket setting, the bottom of storage bucket is provided with the second discharge gate down.

By adopting the technical scheme, when blanking is needed, the aluminum paste after ball milling flows into the charging barrel through the first pipeline, and the contact between the aluminum paste which just flows out and the outside can be effectively reduced because the opening of the first pipeline is positioned in the charging barrel; then in getting into the shale shaker through first discharge gate, the aluminium thick liquid after the shale shaker will filter flows along the next process of second pipeline along fluid, and the aluminium thick liquid that does not pass through the screening is along flowing to the feed bin in, discharges through the second discharge gate, and at this in-process, make full use of the advantage of gravity, accomplished the screening of aluminium thick liquid, reduce manual intervention unloading and reduce artifical transport material simultaneously.

Preferably, the cross sections of the feeding barrel, the vibrating screen and the discharging barrel are all annular.

Through adopting above-mentioned technical scheme, accommodation space is big, avoids aluminium silver thick liquid to take place to pile up wherein.

Preferably, the bottom of the feeding barrel inclines towards the first discharge hole.

Through adopting above-mentioned technical scheme, aluminum paste flows in to first discharge gate along with the side of slope under the effect of gravity, avoids taking place to pile up in last storage bucket.

Preferably, the bottom of the blanking barrel inclines towards the second discharge hole.

Through adopting above-mentioned technical scheme, aluminum paste flows in to the second discharge gate along with the side of slope under the effect of gravity, avoids taking place to pile up in the baiting bucket.

Preferably, the first discharge port and the second discharge port are both provided with a quarter ball valve.

By adopting the technical scheme, the switching-off function is achieved.

Preferably, the screen frame comprises at least three vertically arranged pipe bodies, and fixing pieces connected with the pipe bodies are arranged at the bottoms of the feeding barrel and the discharging barrel.

Through adopting above-mentioned technical scheme, simplify the structure, the joint strength has been strengthened to the stationary blade.

Preferably, the fixing piece is triangular.

Through adopting above-mentioned technical scheme, fixed effect is better, and structural strength is higher.

Preferably, a fixing rod is connected between the adjacent pipe bodies, and the bottom of the vibrating screen is fixedly connected with the fixing rod.

Through adopting above-mentioned technical scheme, the dead lever has played the effect of supporting the shale shaker.

Preferably, the second pipeline is located on the side of the second discharge hole.

Through adopting above-mentioned technical scheme, avoid second pipeline and second discharge gate to take place to interfere.

Preferably, the oil recovery part comprises a recovery oil tank and a new oil tank, the recovery oil tank is connected with a first waste oil pump, the recovery oil tank is communicated with a filter press through the first waste oil pump, a filter press conveying device is arranged between the recovery oil tank and the new oil tank, and the new oil tank is communicated with a cold oil storage tank.

Through adopting above-mentioned technical scheme, after the pressure filter carries out the filter-pressing with fluid, the row of first order is accomplished miscellaneous, then go into the recovery oil jar with waste oil pump through first waste oil pump, the waste oil in the recovery oil pipe passes through the row of filter-pressing conveyor completion second level miscellaneous, then go into in the new oil jar of pump, the recovery of waste oil has been realized, avoid causing the waste, realized the closed loop simultaneously in the production process of whole aluminium silver thick liquid, the utilization ratio of improvement raw materials, comparatively environmental protection.

Preferably, the filter-pressing conveying device comprises a second waste oil pump, a manual filter press and a liquid collecting disc, the second waste oil pump is used for communicating the manual filter press with the recovery oil tank, the liquid collecting disc is communicated with the new oil tank, and the liquid collecting disc is used for collecting oil which is subjected to filter pressing by the manual filter press.

Through adopting above-mentioned technical scheme, the fluid pump of second waste oil pump bottom with the recovery oil tank is gone into to manual filter press in, then through the filter-pressing of manual filter press, arranges miscellaneous, then carries out the secondary through receiving the liquid dish and arranges miscellaneous, finally goes into in the new oil tank through the scavenge pump.

Preferably, the liquid level meters are arranged in the recovery oil tank, the liquid collecting tray and the new oil tank.

Through adopting above-mentioned technical scheme, show the fluid volume in the oil tank, and then the start-up and the shutoff of first waste oil pump, second waste oil pump and scavenge pump of timely control.

Preferably, an oil return pump is arranged between the liquid receiving disc and the new oil tank, and the liquid receiving disc is communicated with the new oil tank through the oil return pump.

By adopting the technical scheme, automatic recovery of oil in the liquid receiving disc is realized.

Preferably, the first waste oil pump is communicated with an air storage tank.

Through adopting above-mentioned technical scheme, first waste oil pump and second waste oil pump all communicate there is the gas holder, realize the drive of waste oil pump.

Preferably, the second waste oil pump is communicated to the bottom of the recovery oil tank.

By adopting the technical scheme, the waste oil flows to the second waste oil pump by pressure difference.

Preferably, the recovery oil tank is communicated with at least one filter press.

Through adopting above-mentioned technical scheme, retrieve many waste oils of producing line or a plurality of pressure filter after the filter pressing, improve the efficiency of retrieving.

Preferably, the oil circuit cooling part comprises a water chiller, an oil filling pump is arranged between the fresh oil tank and the cold oil tank, the cold oil tank is communicated with the water chiller, a circulating pump is arranged between the water chiller and the cold oil tank, the water chiller cools oil in the cold oil tank through the circulating pump, and the cold oil tank is communicated with the stirring machine.

By adopting the technical scheme, the kerosene is stored in the new oil tank, and when the cold oil storage tank is low in oil quantity, the new oil tank supplements the cold oil storage tank with the kerosene; meanwhile, the cold water machine cools the kerosene in the cold oil storage tank, the circulating pump plays a role in circulating the kerosene, and then the kerosene mixed aluminum material with lower temperature in the cold contact oil tank enters the ball mill, so that the temperature in the ball mill is effectively reduced, the temperature in the ball mill is avoided to be higher to a certain extent, the surface of aluminum powder is prevented from being grayed and darkened, and the product quality of the final aluminum paste is improved.

Preferably, an oil feed pump and a back pressure valve are provided between the cold oil storage tank and the mixer.

Through adopting above-mentioned technical scheme, and then with the effect in the kerosene pump income compounding bucket in the cold oil storage jar, the back pressure valve avoids fluid to flow backward.

Preferably, the cold oil storage tank is communicated to the top of the mixing barrel.

Through adopting above-mentioned technical scheme, effectively carry out the replenishment of kerosene to the compounding bucket.

Preferably, a weighing sensor is arranged at the bottom of the cold oil storage tank.

Through adopting above-mentioned technical scheme, the delivery capacity of control fluid.

Preferably, the capacity of the cold oil storage tank is 1000L-1500L.

By adopting the technical scheme, the normal operation of at least more than two ball mills is met, and the larger the capacity of kerosene is, the slower the temperature is reduced, so that the cooling effect on the ball mills is ensured.

Preferably, the capacity of the new oil tank is 3000-7000L.

Through adopting above-mentioned technical scheme, the new oil tank carries out the replenishment of fluid to cold oil storage tank.

Preferably, the cold oil storage tank is communicated with at least one mixing barrel.

By adopting the technical scheme, a plurality of production lines can be supplemented with cooling kerosene at the same time.

Preferably, the filter press further comprises a recovery oil tank, the recovery oil tank is connected with a first waste oil pump, the recovery oil tank is communicated with the filter press through the first waste oil pump, and a filter press conveying device is arranged between the recovery oil tank and the new oil tank.

Through adopting above-mentioned technical scheme, the kerosene through retrieving can be inputed to new oil tank again through first waste oil pump in, environmental protection more.

Preferably, the filter-pressing conveying device comprises a waste oil pump, a manual filter press and a liquid collecting disc, the waste oil pump is used for communicating the manual filter press with the recovery oil tank, the liquid collecting disc is communicated with the new oil tank, and the liquid collecting disc is used for collecting oil liquid after filter pressing of the manual filter press.

Through adopting above-mentioned technical scheme, separate the kerosene and the aluminium paste after the ball mill, reduced the emission of waste oil, effectively improved the utilization ratio to the kerosene.

Preferably, the recovery oil tank is connected with a first waste oil pump, the recovery oil tank is communicated with the filter press through the first waste oil pump, and a filter press conveying device is arranged between the recovery oil tank and the new oil tank.

In conclusion, in the production and preparation process of the aluminum silver paste, the ball milling is carried out for more than 10 hours by using a ball mill, then the ball-milled aluminum silver paste needs to pass through a plurality of process flows such as filter pressing, screening and the like, and in the ball milling process, other process steps need to wait for the ball-milled aluminum silver paste, so that the mutual ball milling processes of the two ball mills are staggered by arranging at least two billiard ball mills, the ball milling process of one ball mill can be achieved, the blanking process of the other ball mill can be carried out, and the production efficiency is improved; meanwhile, the gas protection part and the oil path cooling part improve the quality of aluminum paste from two aspects, one of the gas protection part and the oil path cooling part is in contact with air in the aluminum powder grinding process, oxidation is reduced, and the oil path cooling part reduces the temperature of a mixture entering a ball mill and improves the temperature of the aluminum powder during grinding, so that the quality of the aluminum paste is improved, and meanwhile, kerosene is recycled through the oil liquid recycling part, so that the aluminum paste grinding device is more environment-friendly and avoids waste of raw materials.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic structural view of a ball milling section;

FIG. 3 is a schematic structural view of a feed frame;

FIG. 4 is a schematic transverse cross-sectional view of a mixing bowl;

FIG. 5 is a schematic longitudinal cross-sectional view of a mixing bowl;

FIG. 6 is a schematic structural view of a screen frame;

FIG. 7 is a top view of the loading bucket;

FIG. 8 is a top view of the blanking barrel;

in the figure, 1, a ball mill section; 11. an infrared temperature detector; 12. an auxiliary agent barrel; 13. an auxiliary agent pump; 2. a frame; 21. a first ball mill; 22. a second ball mill; 23. a bearing seat; 24. a first rotating device; 241. a first rotating electric machine; 242. a first gearbox; 2441. a driving pulley; 2442. a driven pulley; 25. a second rotating device; 251. a second rotating electric machine; 252. a second gearbox; 26. a reinforcing plate; 27. a reinforcing bar; 28. a reinforcing plate; 31. recovering the oil tank; 32. a new oil tank; 33. a first waste oil pump; 34. a filter press; 35. a filter pressing and conveying device; 351. a second waste oil pump; 352. a manual filter press; 353. a liquid collecting tray; 354. an oil return pump; 355. a gas storage tank; 41. a cold oil storage tank; 42. a gasoline pump; 43. a circulation pump; 44. an oil inlet pump; 45. a back pressure valve; 46. a weighing sensor; 47. a water chiller; 51. a screen frame; 511. a pipe body; 512. a fixing sheet; 513. fixing the rod; 52. a feeding barrel; 53. vibrating screen; 54. a blanking barrel; 55. a first conduit; 56. a first discharge port; 57. a second conduit; 58. a second discharge port; 59. a quarter ball valve; 6. a feeding frame; 61. a raw material tank; 611. a cover body; 612. a top plate; 613. a spring; 614. an air filter; 62. a mixing barrel; 621. a feed aperture; 622. an oil filling hole; 623. a stirring hole; 624. an observation hole; 625. a flexible connecting pipe; 63. a spiral feed pipe; 64. a discharge conduit; 65. a blender; 66. a vibrator; 661. a fixed seat; 71. an air compressor; 72. a first gas path; 721. a feed pump; 722. a discharge pump; 723. a blowing valve; 724. a one-way valve; 73. a second gas path; 731. a filter-pressing pump; 74. and a fourth gas path.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

as shown in fig. 1, a wet grinding metal pigment preparation system comprises a raw material supply part, a ball milling part 1 and a vibration blanking part, wherein the ball milling part 1 comprises at least two billiard ball mills, each ball mill is communicated with the raw material supply part, each ball mill is communicated with the vibration blanking part, and a feeding pump 721 and a discharging pump 722 are arranged at two ends of each ball mill; the ball mill is provided with an infrared temperature detector 11, and a check valve 724 is arranged between the ball mill and the feeding pump 721 to play a role in pressure maintaining.

The raw materials supply portion includes raw materials jar 61, compounding bucket 62, auxiliary agent bucket 12 and cold oil storage tank 41, compounding bucket 62 and each ball mill intercommunication, raw materials jar 61, auxiliary agent bucket 12 and cold oil storage tank 41 all communicate with compounding bucket 62, be provided with mixer 65 on the compounding bucket 62, mixer 65 is including extending into the puddler in the compounding bucket 62, rotation through the puddler for the material that gets into in the compounding bucket 62 mixes, be provided with oil feed pump 44 and back pressure valve 45 between cold oil storage tank 41 and the compounding bucket 62.

Raw materials jar 61, auxiliary agent bucket 12 and cold oil storage tank 41 all communicate to the top of compounding bucket 62, the bottom and each of compounding bucket 62 the ball mill intercommunication, the structure of concrete raw materials jar 61, auxiliary agent bucket 12 and cold oil storage tank 41 is disclosed below, be provided with the bobbing machine on the raw materials jar 61 simultaneously, the bottom of raw materials jar 61 is provided with the screw feeder, the screw feeder is spiral inlet pipe 63 promptly, the rotation that drives the screw rod through the motor realizes the pay-off, the top of auxiliary agent bucket 12 is provided with auxiliary agent pump 13, auxiliary agent bucket 12 passes through auxiliary agent pump 13 and the top of compounding bucket 62 intercommunication.

The vibration blanking part comprises a feeding barrel 52, a vibrating screen 53 and a blanking barrel 54 from top to bottom in sequence, and after ball milling is completed, the aluminum paste passes through the feeding barrel 52, the vibrating screen 53 and the blanking barrel 54 to realize screening of aluminum paste with different fineness.

In the production and preparation process of the aluminum paste, the aluminum paste is required to be ball-milled for more than 10 hours through a ball mill, then the aluminum paste after ball milling is required to pass through multiple processes of filter pressing, screening and the like, and in the ball milling process, other process steps are required to wait for the aluminum paste after ball milling, so that the mutual ball milling process of the two ball mills is staggered through the arrangement of at least two billiard ball mills, the ball milling can be realized by one ball mill, the blanking process of the other ball mill is realized, and the production efficiency is improved.

As shown in fig. 2, a symmetrical ball mill device, including rectangular frame 2, frame 2 is through steel pipe welding realization connection, be provided with first ball mill 21 and second ball mill 22 on the frame 2, first ball mill 21 and second ball mill 22 all include feeding axle and ejection of compact axle, be provided with bearing frame 23 on the frame 2, bearing frame 23 all with feeding axle and ejection of compact axle swivelling joint, first ball mill 21 and second ball mill 22 are rotational symmetry and set up, be provided with first base on the frame 2, first base sets up respectively in first ball mill 21 and second ball mill 22 bottom, first base is including setting up gusset plate 26 on frame 2, gusset plate 26 extends along the horizontal direction, bearing frame 23 sets up on gusset plate 26, gusset plate 26 has played the effect of extending the position of bearing frame 23, the intensity of the reinforced structure, adapt to the axial length of ball mill.

As shown in fig. 2, the frame 2 is provided with a first rotating device 24 and a second rotating device 25, the first rotating device 24 drives the first ball mill 21 to rotate, the second rotating device 25 drives the second ball mill 22 to rotate, the first rotating device 24 and the second rotating device 25 are arranged in a rotational symmetry, the first rotating device 24 is arranged at the side of the first ball mill 21, and the second rotating device 25 is arranged at the side of the second ball mill 22.

As shown in fig. 2, the first rotating device 24 includes a first rotating motor 241, a first gearbox 242, a first driving belt and a first synchronous belt, the first driving belt is disposed between the first rotating motor 241 and the first gearbox 242, the first synchronous belt is disposed between the first gearbox 242 and the first ball mill 21, the first synchronous belt includes a driving pulley 2441 and a driven pulley 2442, the driving pulley 2441 is disposed on the first rotating motor 241, the driven pulley 2442 is disposed on the outer side of the circumference of the first ball mill 21, the driving pulley 2441 and the first synchronous belt are engaged with each other, when the first rotating motor 241 drives the first gearbox 242 to rotate, the first driving pulley 2441 is driven by the first driving belt, the driving pulley 2441 and the driven pulley 2442 are driven to rotate by the first synchronous belt sleeved on the driving pulley 2441 and the driven pulley 2442, and since the driven pulley 2442 is sleeved on the first ball mill 21, when the driven pulley 2442 rotates, the first ball mill 21 rotates, and ball milling is performed.

As shown in fig. 2, the frame 2 is provided with a second base, the second base is respectively arranged at the bottom of the first rotating device 24 and the bottom of the second rotating device 25, the second base comprises a reinforcing rod 27 and a reinforcing plate 28, the reinforcing rod 27 is arranged on the frame 2, two reinforcing rods 27 are arranged in parallel, the reinforcing plate 28 is arranged on the reinforcing rod 27, and the first rotating motor 241 and the first gearbox 242 are arranged on the reinforcing plate 28, so as to support the first rotating device 24 and the second rotating device 25.

As shown in fig. 2, the second rotating device 25 has the same structure as the first rotating device 24, the second rotating device 25 includes a second rotating motor 251, a second transmission case 252, a second driving belt and a second timing belt, the second driving belt is disposed between the second rotating motor 251 and the second transmission case 252, and the second timing belt is disposed between the second transmission case 252 and the second ball mill 22; in the in-process of ball-milling, the aluminum paste after other process steps need to wait for the ball-milling, consequently through setting up first ball mill 21 and second ball mill 22, stagger the process of both mutual ball-mills, can reach a ball mill and carry out the ball-milling, another ball mill carries out the process of unloading, and the production efficiency is improved, and the inside space of factory building is saved more to first ball mill 21 and second ball mill 22 that rotational symmetry set up simultaneously, is both during operation simultaneously, effectively reduces the vibration of frame 2.

As shown in fig. 3, a metallic pigment feeding device includes a feeding frame 6, the feeding frame 6 is formed by welding steel pipes or i-beams, a raw material tank 61 is arranged on the upper portion of the feeding frame 6, the raw material tank 61 has a circular transverse section, a cover body 611 is arranged on the top of the raw material tank 61, an air filter 614 is arranged on the top of the raw material tank 61, namely on one side of the cover body 611, the bottom of the raw material tank 61 is conical, a spiral feeding pipe 63 is arranged on the bottom of the conical raw material tank 61, the spiral feeding pipe 63 is a pipe body 511, one end of the spiral feeding pipe is provided with a motor, the other end of the spiral feeding pipe is open, a screw rod rotatably connected with the motor; the vibrator 66 is arranged on the side wall of the raw material tank 61, namely the raw material tank 61 is welded with a fixed seat 661, the vibrator 66 is arranged on the fixed seat 661 through bolts, and the vibrator 66 generates vibration force in the raw material tank 61.

In order to further improve the vibration effect, the top of the feeding frame 6 is provided with a top plate 612, the top of the raw material tank 61 is connected with the top plate 612 in a welding manner, springs 613 are arranged between the bottom of the top plate 612 and the top of the feeding frame 6, and the springs 613 are uniformly distributed between the top plate 612 and the feeding frame 6, so that the vibration effect and amplitude of the vibrator 66 on the raw material tank 61 are improved.

As shown in fig. 3, 4 and 5, the lower portion of the feeding frame 6 is provided with a mixing barrel 62, the top of the mixing barrel 62 is provided with a feeding hole 621, an oil filling hole 622, an observation hole 624 and a stirring hole 623 for the mixer 65 to penetrate through, the stirring hole 623 is arranged near the center of the top of the mixing barrel 62, the observation hole 624 and the feeding hole 621 are arranged at two sides of the stirring hole 623, the observation hole 624 is provided with transparent glass to prevent dust and impurities from entering, the feeding hole 621 is communicated with the bottom of the raw material tank 61 through a spiral feeding pipe 63, a flexible connecting pipe 625 is arranged between the spiral feeding pipe 63 and the feeding hole 621 to prevent vibration from being transmitted to the mixing barrel 62, the bottom of the mixing barrel 62 is provided with a discharging pipe 64, the discharging pipe 64 is connected with a subsequent processing link, the top of the mixing barrel 62 is provided with the mixer 65, the mixer 65 is provided with a mixing rod extending into the mixing barrel 62, the raw material tank 61 is filled, the aluminum balls are mixed with the additive and kerosene by moving the vibrator 66 downwards and then moving the vibrator into the mixing barrel 62 under the action of the bolt feeding pipe, in the process, the oil filling hole 622 is filled with the kerosene quantitatively, and the stirring machine 65 rotates to mix the aluminum balls with the additive and the kerosene, and the stirring condition is observed through the observation hole 624.

As shown in fig. 6, a metallic pigment vibration unloading screening mechanism, including bank of screens 51, bank of screens 51 includes from top to bottom in proper order and goes up storage bucket 52, shale shaker 53 and unloading bucket 54, and the top of bank of screens 51 is provided with first pipeline 55, and first pipeline 55 downwardly extending to in the storage bucket 52, the bottom of going up storage bucket 52 is run through and is provided with first discharge gate 56, and shale shaker 53 sets up the below at first discharge gate 56, the bottom of shale shaker 53 is provided with second pipeline 57, and second pipeline 57 downwardly extending just runs through the setting of unloading bucket 54, and the bottom of unloading bucket 54 is provided with second discharge gate 58, and the unloading pipeline of ball mill is upwards accepted to first pipeline 55.

First pipeline 55 and second pipeline 57 all adopt the galvanized pipe way, all are provided with the pipe fitting on first discharge gate 56 and the second discharge gate 58 simultaneously, are provided with quartering ball valve 59 in the pipe fitting, as opening and shutting off.

As shown in fig. 6 and 7, the cross-sectional shapes of the feeding barrel 52, the vibrating screen 53 and the discharging barrel 54 are all annular, the bottom of the feeding barrel 52 is inclined towards the first discharging port 56, and the bottom of the discharging barrel 54 is inclined towards the second discharging port 58, that is, the bottom of the feeding barrel 52 and the bottom of the discharging barrel 54 are both in an inverted cone shape, so that the flow of aluminum silver paste is accelerated.

As shown in fig. 8, in order to avoid the interference between the second pipe 57 and the second discharge port 58, the second pipe 57 is located at the side of the second discharge port 58, and the second blanking barrel 54 is fixed to the second pipe 57 by welding.

Wherein the screen frame 51 includes at least three vertical bodys 511 that are provided with, according to the size of material loading bucket 52, can select more bodys 511 as the support, and the bottom of material loading bucket 52 and unloading bucket 54 is provided with the stationary blade 512 of being connected with bodys 511, and stationary blade 512 adopts the welded mode to realize the fixed of both sides, in order to better seal, also can establish sealed bucket at the screen frame 51 overcoat.

As shown in FIG. 6, in order to improve the fixing effect on the vibrating screen 53, a fixing rod 513 is connected between the adjacent tube bodies 511, the fixing rod 513 is made of galvanized flat iron, the bottom of the vibrating screen 53 is welded and fixed with the fixing rod 513, when blanking is needed, aluminum paste after ball milling flows into the charging bucket 52 through the first pipeline 55, and the contact between the aluminum paste which just flows out and the outside can be effectively reduced because the opening of the first pipeline 55 is positioned in the charging bucket 52; then in getting into shale shaker 53 through first discharge gate 56, shale shaker 53 flows the aluminium silver thick liquid after the screening along second pipeline 57 to next process along fluid, and the aluminium silver thick liquid that does not pass through the screening is along with flowing to unloading bucket 54 in, discharges through second discharge gate 58, and at this in-process, make full use of the advantage of gravity, accomplished the screening of aluminium silver thick liquid.

As shown in fig. 1, the wet grinding metal pigment oil liquid recovery system comprises a recovery oil tank 31 and a new oil tank 32, wherein the recovery oil tank 31 is communicated with at least one filter press 34, when a plurality of vibrating screens 53 or a plurality of production lines are provided, the recovery oil tank 31 can be communicated with the plurality of filter presses 34, the recovery oil tank 31 is connected with a first waste oil pump 33, the recovery oil tank 31 is communicated with the filter press 34 through the first waste oil pump 33, and a filter press conveying device 35 is arranged between the recovery oil tank 31 and the new oil tank 32.

As shown in fig. 1, the filter press conveyor 35 includes a second waste oil pump 351, a manual filter press 352 and a liquid collecting tray 353, the second waste oil pump 351 realizes the communication between the manual filter press 352 and the recovery oil tank 31 through a pipeline, the second waste oil pump 351 communicates with the bottom of the recovery oil tank 31, the liquid collecting tray 353 communicates with the new oil tank 32 through a pipeline because the interval time of the recovery oil is long and the amount of the recovery oil is small, a return oil pump 354 is arranged between the liquid collecting tray 353 and the new oil tank 32, the liquid collecting tray 353 communicates with the new oil tank 32 through the return oil pump 354, the oil in the liquid collecting tray 353 is pumped into the new oil tank 32 through the return oil pump 354, and the liquid collecting tray 353 collects the oil after the filter press of the manual filter press 352.

As shown in fig. 1, a gas tank 355 is provided in the plant, and the gas tank 355 is connected to the first waste oil pump 33 and the second waste oil pump 351 through gas pipes to provide power for the operation of the first waste oil pump 33 and the second waste oil pump 351.

As shown in fig. 1, liquid level meters are arranged in the recovery oil tank 31, the liquid collecting tray 353 and the new oil tank 32, so that observation is facilitated, after the filter press 34 filter-presses oil, impurity discharge of a first level is completed, then waste oil is pumped into the recovery oil tank 31 through the first waste oil pump 33, waste oil in the recovery oil pipe passes through the filter press conveying device 35 to complete impurity discharge of a second level, and then the waste oil is pumped into the new oil tank 32, so that waste oil recovery is realized.

As shown in fig. 1, the metal pigment wet grinding gas protection system comprises an air compressor 71, a gas storage tank 355 and a first gas path 72, wherein the first gas path 72 comprises a feeding pump 721 and a discharging pump 722 which are arranged at two sides of the ball mill, and the first gas path 72 is respectively communicated with the insides of the feeding pump 721 and the discharging pump 722.

As shown in fig. 1, the first gas path 72 includes a blowing valve 723, the blowing valve 723 is a high pressure blowing valve 723 for controlling the size and pressure of the gas flow, the blowing valve 723 is disposed between the feeding pump 721 and the gas storage tank 355, the blowing valve 723 is also disposed between the discharging pump 722 and the gas storage tank 355, the blowing valve 723 is connected to the feeding pump 721 and the discharging pump 722 through a gas pipe, and enters the ball mill along with the unground aluminum paste, and also exits the ball mill along with the ground aluminum paste to enter the vibrating screen 53.

As shown in fig. 1, a check valve 724 is disposed between the feeding pump 721 and the ball mill, and the check valve 724 discharges gas to the outside to prevent the gas pressure in the ball mill from being too high.

As shown in fig. 1, the filter press further comprises a second gas path 73, a third gas path, a filter press pump 731, a fourth gas path 74 and a waste oil pump, wherein one end of the second gas path 73 is communicated with the gas storage tank 355, the other end of the second gas path 73 is communicated with the filter press 34, the filter press pump 731 is communicated with the bottom of the vibrating screen 53, one end of the third gas path is communicated with the filter press pump 731, the other end of the third gas path is communicated with the gas storage tank 355, at least one waste oil pump is provided, one end of the fourth gas path 74 is communicated with the waste oil pump, and the other end of the fourth gas path 74 is communicated; in the ball milling process of the aluminum paste, inert protective gas is introduced into two ends of the ball mill through a gas storage tank 355, during the ball milling process of the ball mill, the protective gas passes through a feed pump 721 and a discharge pump 722 connected to both ends of the ball mill, the aluminum powder is continuously circulated in the ball mill, so that the aluminum powder can not be contacted with oxygen or air in the ball milling process of the aluminum paste, and the aluminum powder with overlarge specific surface area is prevented from being contacted with the air.

As shown in fig. 1, a metal pigment wet grinding oil path cooling system includes a new oil tank 32 and a cold oil storage tank 41, wherein a weighing sensor 46 is disposed at the bottom of the cold oil storage tank 41 for detecting the amount of kerosene in the cold oil storage tank 41 in real time, and when the amount of kerosene is not large, the cold oil storage tank 41 is replenished by the new oil tank 32.

The oiling pump 42 is arranged between the new oil tank 32 and the cold oil storage tank 41 to supplement oil to the cold contact oil tank in time, so that the capacity of the new oil tank 32 is 3000-7000L, the supplement of a plurality of cold oil storage tanks 41 can be met at the same time, the cold oil storage tank 41 is communicated with the cold water machine 47, the circulating pump 43 is arranged between the cold water machine 47 and the cold oil storage tank 41, the cold water machine 47 cools the oil in the cold oil storage tank 41 through the circulating pump 43, and the capacity of the cold oil storage tank 41 is 1000-1500L to avoid excessive kerosene amount of simultaneous cooling, so that the ball milling use for at least one time is met.

The cold oil storage tank 41 is communicated with the stirrer 65 through a pipeline, an oil inlet pump 44 and a back pressure valve 45 are arranged on the pipeline between the cold oil storage tank 41 and the stirrer 65, the cold oil storage tank 41 is communicated to the top of the mixing barrel 62, and kerosene is pumped into the mixing barrel 62 at the bottom of the stirrer 65 through the oil inlet pump 44.

In order to supply kerosene to a plurality of production lines, the cold oil storage tank 41 communicates with at least one mixing barrel 62.

Meanwhile, in order to ensure the recycling of the oil, a first waste oil pump 33 is connected to the recovery oil tank 31, the recovery oil tank 31 is communicated with the filter press 34 through the first waste oil pump 33, a filter press conveying device 35 is arranged between the recovery oil tank 31 and the new oil tank 32, an oil filling pump 42 is arranged between the new oil tank 32 and the mixing barrel 62, the filter press conveying device 35 comprises a waste oil pump, a manual filter press 352 and a liquid collecting disc 353, the waste oil pump communicates the manual filter press 352 with the recovery oil tank 31, the liquid collecting disc 353 communicates with the new oil tank 32, and the liquid collecting disc 353 collects the oil which is subjected to filter pressing by the manual filter press 352. The fresh oil tank 32 stores kerosene, and when the cold oil storage tank 41 has a low oil content, the fresh oil tank 32 supplements the cold oil storage tank 41 with kerosene; meanwhile, the cold water machine 47 cools the kerosene in the cold oil storage tank 41, the circulating pump 43 plays a role in circulating the kerosene, and then the kerosene mixed aluminum material with lower temperature in the cold contact oil tank enters the ball mill, so that the temperature in the ball mill is effectively reduced, and the effect of higher temperature in the ball mill is avoided to a certain extent.

Claims (8)

1. The utility model provides an aluminum paste gas shield ball-milling system which characterized in that: including raw materials supply portion, symmetry ball-milling portion, gas protection portion, unloading screening part, fluid recovery portion and oil circuit cooling portion, raw materials supply portion includes raw materials jar, compounding bucket and cold oil storage tank, the compounding bucket communicates with raw materials jar and cold oil storage tank respectively, the compounding bucket mixes aluminite powder and kerosene and carries to symmetry ball-milling portion, symmetry ball-milling portion includes two at least mutually independent ball mills, gas protection portion includes the gas holder, gas holder and symmetry ball-milling portion intercommunication to pack protective gas in the symmetry ball-milling portion.

2. The gas shielded ball milling system of aluminum paste according to claim 1, characterized in that: symmetry ball-milling portion includes first rotating device, second rotating device, first ball mill and second ball mill all include feeding axle, play material axle and bearing frame, the bearing frame all with feeding axle and ejection of compact axle rotation connection, first ball mill and second ball mill are the rotational symmetry setting, first ball mill of first rotating device drive rotates, second rotating device drive second ball mill rotates, first rotating device and second rotating device are the rotational symmetry setting, first rotating device sets up the side at first ball mill, second rotating device sets up the side at the second ball mill.

3. The gas shielded ball milling system of aluminum paste according to claim 1, characterized in that: the raw materials supply portion still includes the feed frame, the upper portion of feed frame is provided with raw materials jar, the lower part of feed frame is provided with the compounding bucket, raw materials jar's top is provided with the lid, the top of compounding bucket is provided with charge door and tank filler sleeve, raw materials jar's bottom is provided with the spiral inlet pipe with the charge door intercommunication, the bottom of compounding bucket is provided with the blowdown pipeline, the top of compounding bucket is provided with the mixer, be provided with the puddler that extends into in the compounding bucket on the mixer.

4. The gas shielded ball milling system of aluminum paste according to claim 1, characterized in that: the gas protection part comprises an air compressor and a first gas circuit, the first gas circuit comprises a feeding pump and a discharging pump which are arranged on two sides of the ball mill, and the first gas circuit is communicated with the feeding pump and the discharging pump respectively.

5. The gas shielded ball milling system of aluminum paste according to claim 1, characterized in that: unloading screening portion includes the bank of screens, the bank of screens includes from top to bottom in proper order and goes up storage bucket, shale shaker and unloading bucket, the top of bank of screens is provided with first pipeline, first pipeline downwardly extending is to in the storage bucket, the bottom of going up the storage bucket is run through and is provided with first discharge gate, the shale shaker sets up the below at first discharge gate, the bottom of shale shaker is provided with the second pipeline, second pipeline downwardly extending just runs through the unloading bucket setting, the bottom of unloading bucket is provided with the second discharge gate.

6. The gas shielded ball milling system of aluminum paste according to claim 1, characterized in that: the oil recovery portion is including recovery oil tank and new oil tank, the recovery oil tank is connected with first sump oil pump, the recovery oil tank is through first sump oil pump and pressure filter intercommunication, be provided with filter-pressing conveyor between recovery oil tank and the new oil tank, new oil tank and cold oil storage tank intercommunication.

7. The gas shielded ball milling system of aluminum paste according to claim 6, wherein: the oil circuit cooling part comprises a water cooler, an oil filling pump is arranged between the fresh oil tank and the cold oil storage tank, the cold oil storage tank is communicated with the water cooler, a circulating pump is arranged between the water cooler and the cold oil storage tank, the water cooler cools oil in the cold oil storage tank through the circulating pump, and the cold oil storage tank is communicated with the stirring machine.

8. The gas shielded ball milling system of aluminum paste according to claim 7, wherein: the filter-pressing conveying device comprises a waste oil pump, a manual filter press and a liquid collecting disc, wherein the waste oil pump is used for communicating the manual filter press with a recovery oil tank, the liquid collecting disc is communicated with a new oil tank, and the liquid collecting disc is used for collecting oil liquid after filter pressing of the manual filter press.

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