CN117505004A - Superfine silica powder preparation system and method for surface mount discrete devices - Google Patents
Superfine silica powder preparation system and method for surface mount discrete devices Download PDFInfo
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- CN117505004A CN117505004A CN202410015664.9A CN202410015664A CN117505004A CN 117505004 A CN117505004 A CN 117505004A CN 202410015664 A CN202410015664 A CN 202410015664A CN 117505004 A CN117505004 A CN 117505004A
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- 239000000843 powder Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 85
- 239000000377 silicon dioxide Substances 0.000 title claims description 42
- 238000002360 preparation method Methods 0.000 title claims description 15
- 238000000227 grinding Methods 0.000 claims abstract description 214
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 93
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 61
- 239000010703 silicon Substances 0.000 claims abstract description 61
- 238000000498 ball milling Methods 0.000 claims description 113
- 239000011863 silicon-based powder Substances 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 229910021487 silica fume Inorganic materials 0.000 description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 15
- 235000017491 Bambusa tulda Nutrition 0.000 description 15
- 241001330002 Bambuseae Species 0.000 description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 15
- 239000011425 bamboo Substances 0.000 description 15
- 235000013312 flour Nutrition 0.000 description 13
- 239000002245 particle Substances 0.000 description 13
- 238000009826 distribution Methods 0.000 description 7
- 244000309464 bull Species 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 2
- 238000004100 electronic packaging Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/185—Discharging devices combined with sorting or separating of material with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of silicon micropowder and discloses a system and a method for preparing superfine silicon micropowder for a patch type discrete device. According to the invention, the silicon micro powder is placed in the inner cavity of the grinding shell from the feed inlet, and the motor is started to drive the rotating shaft to rotate at the moment, so that the grinding cylinder arranged in the inner cavity of the grinding shell can be driven to rotate, the grinding cylinder can grind the silicon micro powder, when the grinding is finished, the silicon micro powder can fall into the rotating cylinder from the notch to further grind the silicon micro powder, and therefore, the manufactured silicon micro powder is thinner, and the silicon micro powder grinding machine is more practical and suitable for being widely popularized and used.
Description
Technical Field
The invention belongs to the technical field of silicon micropowder, and particularly relates to a system and a method for preparing superfine silicon micropowder for a patch type discrete device.
Background
The superfine silica powder for the patch type discrete device is a filler with the advantages of high heat conductivity, high insulativity, low thermal expansion coefficient, low heat conductivity, good chemical stability, high temperature resistance, corrosion resistance, no toxicity, no harm and the like. The electronic packaging structure is mainly used in the fields of electronic packaging, electronic encapsulation, electronic component packaging and the like, and can remarkably improve the reliability and performance of electronic products.
The preparation method of the superfine silicon micropowder comprises the steps of selecting SiO 2 And (3) taking high-purity crystalline quartz sand with the content of more than or equal to 99.0% as a raw material, grinding the raw material in drum ball milling equipment after magnetic separation, and grading the ground material by an air flow grader to obtain superfine silica micropowder. The preparation method can obtain superfine silica powder with d50=1.5-3.5 μm, d90=5-8 μm and d=11-16 μm.
The ultra-fine silica powder for the patch type discrete device has higher requirement on granularity so as to be convenient for filling gaps and saving use, has different granularity requirements for different patch type discrete devices, and has uniform granularity and as narrow particle size distribution as possible.
However, when the existing patch type discrete device is manufactured and ground by using superfine silica powder, different grinding equipment is adopted for grinding silica powder with different granularity, one grinding cylinder can only grind silica powder with one particle requirement at a time, and a transmission mechanism is complex, so that the condition of energy waste is easily caused.
The present invention has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the superfine silica powder preparation system for the patch discrete device comprises a shell and a grinding shell, wherein the grinding shell is fixedly arranged in the shell, a notch is formed in the bottom of the grinding shell, a rotating mechanism is arranged in an inner cavity of the notch and comprises a rotary drum, a grinding cylinder is arranged in the inner cavity of the grinding shell, a grading ball milling structure is arranged in the grinding cylinder, a transmission mechanism is arranged on one side wall of the grinding cylinder and comprises a motor, a feed inlet is formed in the upper part of the grinding shell, a base is fixedly arranged on the periphery of the bottom of the shell, and a discharge outlet is formed in the lower part of the shell; the motor is arranged on the shell, a rotating shaft is fixedly arranged at the output end of the motor, one end of the rotating shaft movably penetrates through the grinding shell, and a first gear is fixedly arranged at one end, close to the motor, of the rotating shaft; the first gear passes through tooth transmission structure linkage rotary drum, rotary drum swing joint is in the notch, the rotary drum inner chamber is provided with fixed ball, fixed ball passes through connecting rod fixed connection in notch inner wall, the rotary drum aligns with the discharge gate horizontal direction. Through placing the silica fume from the feed inlet at grinding shell inner chamber, through the starter motor this moment, the motor drives the pivot and rotates to can drive the grinding vessel that grinding shell inner chamber set up and rotate, consequently can let the grinding vessel grind the silica fume, in the notch can be followed to the rotary drum to the silica fume when grinding finishes, under tooth drive mechanism's assistance, can drive the rotary drum and rotate, because the rotary drum inner chamber is provided with the fixed ball, the fixed ball can carry out further grinding to the silica fume, thereby guaranteed that the silica fume that makes is finer.
As a preferred implementation mode of the invention, the inside of the grinding cylinder is provided with a grading ball milling structure, the grading ball milling structure comprises a fixed cylinder, a first ball milling cylinder, a second ball milling cylinder and a third ball milling cylinder which are sequentially sleeved from inside to outside, a plurality of outlets are formed in the cylinder wall of the fixed cylinder, a plurality of first filter openings are formed in the cylinder wall of the first ball milling cylinder, a plurality of second filter openings are formed in the cylinder wall of the second ball milling cylinder, a plurality of third filter openings are formed in the cylinder wall of the third ball milling cylinder, a filter screen is arranged on each of the first filter openings, the second filter openings and the third ball milling cylinder, the mesh number of the filter screen on each of the first filter openings, the second filter openings and the third ball milling cylinder is sequentially increased, the first filter openings, the second filter openings and the third ball milling cylinder are distributed in a staggered mode, a first ball milling channel is formed between the fixed cylinder and the first ball milling cylinder, a second ball milling channel is formed between the second ball milling cylinder and the cylinder, a plurality of second ball milling channels are formed in the cylinder wall of the second ball milling cylinder, a plurality of end-sealing balls are formed between the fixed cylinder and the second ball milling cylinder, the end-sealing support is arranged on the inner side of the fixed cylinder, the ball milling structure is arranged on the inner side of the fixed ball milling cylinder, the ball milling support is arranged on the inner side of the fixed ball milling cylinder, and the ball milling support is connected with the fixed on the inner side of the fixed ball milling cylinder, and the ball milling cylinder is provided with the ball milling structure, and the ball milling structure is provided with a rotary ball grinding machine. The rotary shaft is driven by the motor to rotate so as to drive the fixed cylinder to rotate, thereby driving the first ball grinding cylinder, the second ball grinding cylinder and the third ball grinding cylinder to rotate, silicon powder enters into the fixed cylinder from the feeding cylinder, enters into the first ball grinding channel through the outlet, and after the silicon powder is ground into silicon powder conforming to the fineness of particle size in the first ball grinding channel through the ball grinding medium, the silicon powder can enter into the second ball grinding channel through the filter screen on the first filter port, after the silicon powder is further ground into the silicon powder which can pass through the filter screen on the second filter port in the second ball grinding channel, the silicon powder can be further ground into the silicon powder which can pass through the filter screen on the third ball grinding cylinder through the ball grinding medium in the third ball grinding channel, and the silicon powder can enter into the grinding shell through the filter screen on the third ball grinding cylinder.
As a preferred embodiment of the invention, the tooth transmission structure comprises a second gear, an arc-shaped notch is formed below the first gear at the position of the shell, the second gear is arranged at the position of the arc-shaped notch and is in meshed connection with the first gear, a first rotating rod is fixedly arranged on one side of the second gear, and the other end of the first rotating rod is movably connected with the side wall of the shell. The first gear can be driven to rotate when the first gear rotates.
As a preferred embodiment of the invention, a third gear is arranged below the second gear Fang Niege, a second rotating rod is fixedly arranged in the middle of the third gear in a penetrating manner, one end of the second rotating rod is movably connected to the inner wall of the shell, and a first bevel gear is fixedly arranged at the other end of the second rotating rod. The second gear can drive the third gear to rotate under the assistance of the second rotating rod when rotating, and the first bevel gear can be driven to rotate when the second rotating rod rotates.
As a preferable implementation mode of the invention, the rotary drum is movably connected with the notch, a second bevel gear is fixedly arranged on the outer wall below the rotary drum, and a first bevel gear is vertically meshed with the second bevel gear. The rotary drum is driven to rotate by the second bevel gear.
As a preferred embodiment of the invention, the inner cavity of the rotary drum is provided with a fixed ball, the fixed ball is fixedly connected to the inner wall of the notch through a connecting rod, and the rotary drum and the discharge hole are aligned in the horizontal direction. The rotary drum is driven to rotate by the aid of the second bevel gear, the first bevel gear can be driven to rotate when the first bevel gear rotates, and the manufactured silicon micro powder is thinner due to the fact that the fixing balls are arranged in the inner cavity of the rotary drum and can be further ground.
The preparation method of the superfine silica powder for the patch type discrete device by utilizing the system comprises the following steps: firstly, throwing silicon micro powder from a feed port, entering a fixed cylinder through the feed cylinder, entering a first ball milling channel through an outlet, grinding silicon powder in the first ball milling channel through ball milling media in the first ball milling channel, grinding the silicon powder into silicon micro powder which accords with the fineness of particle size passing through a corresponding filter screen, entering a second ball milling channel through the filter screen on the first filter port, further grinding part of the silicon micro powder into silicon micro powder which can pass through the filter screen on the second filter port through ball milling media in the second ball milling channel, entering a third ball milling channel through the filter screen on the second filter port, and staying in the second ball milling channel through the silicon micro powder which cannot pass through the filter screen on the second filter port, and collecting the staying silicon micro powder to form a graded silicon micro powder for filling of a corresponding patch type discrete device;
a part of the silicon micro powder is further ground into silicon micro powder which can pass through a filter screen on a third ball grinding cylinder through a ball grinding medium in the third ball grinding channel, the silicon micro powder which can enter the inner cavity of the grinding shell through the filter screen on the third ball grinding cylinder, but the silicon micro powder which can not pass through the filter screen on the third ball grinding cylinder stays in the third ball grinding cylinder, the stay silicon micro powder is collected to form another graded silicon micro powder for filling corresponding patch type discrete devices;
the grinding cylinder further grinds the chamber silica powder in the grinding shell, and silica powder can fall into in the rotary drum from the notch when finishing grinding, and the rotary drum inner chamber is provided with the fixed ball, and the fixed ball can carry out still further grinding to the silica powder, forms still another graded silica powder for the packing of the discrete device of corresponding paster type.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through placing the silicon micro powder in the inner cavity of the grinding shell from the feed inlet, at the moment, the motor drives the rotating shaft to rotate, so that the grinding barrel arranged in the inner cavity of the grinding shell can be driven to rotate, a grading ball milling structure is arranged in the grinding barrel, a filter screen is correspondingly arranged in each ball milling channel of the grinding barrel, the number of filter meshes correspondingly arranged in the ball milling channels from inside to outside is sequentially increased, the particle size distribution of the silicon micro powder staying in the corresponding grinding channels is similar, the particle size distribution is narrow, the silicon micro powder with different grades can be selected according to the specific situation of the patch type discrete device, after grinding is finished, the end sealing on one side of the grinding barrel can be opened in a stop state, the silicon micro powder corresponding to the corresponding grade in the grinding channel is taken out for filling of the corresponding patch type discrete device, so that the silicon micro powder can be ground, when grinding is finished, the silicon micro powder can enter the inner cavity of the grinding shell to be continuously ground, then falls into the rotary drum from the notch, the first bevel gear can be driven to rotate under the assistance of the transmission mechanism, the rotation of the first bevel gear can drive the second bevel gear to rotate, so that the rotary drum can be driven to rotate, and the silicon micro powder can be further fixed, and the fine balls can be manufactured, and the silicon micro powder can be manufactured.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional lumen structure of the present invention;
FIG. 3 is a schematic view of the bottom cavity structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a schematic view of a mounting structure for a ball of the present invention;
FIG. 6 is a schematic view of the internal cross-sectional structure of the grinding cylinder of the present invention.
In the figure: 1. a housing; 2. grinding the shell; 3. a feed inlet; 4. an arc-shaped notch; 5. a first gear; 6. a motor; 7. a discharge port; 8. a first rotating lever; 9. a second rotating rod; 10. a third gear; 11. a first bevel gear; 12. a second bevel gear; 13. a rotating drum; 14. a fixed ball; 15. a base; 16. a grinding cylinder; 17. second gear, 18, spindle, 19, bracket, 20, fixed barrel, 21, outlet, 22, first ball milling channel, 23, first ball milling barrel, 24, first filter port, 25, second ball milling channel, 26, second ball milling barrel, 27, second filter port, 28, third ball milling channel, 29, third ball milling barrel, 30, third filter port, 31.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 5, the preparation system of the ultrafine silica powder for the patch type discrete device comprises a shell 1 and a grinding shell 2, wherein the grinding shell 2 is fixedly installed in the shell 1, a notch is formed in the bottom of the grinding shell 2, a rotating mechanism is arranged in an inner cavity of the notch and comprises a rotary drum 13, a grinding drum 16 is arranged in the inner cavity of the grinding shell 2, a transmission mechanism is arranged on one side wall of the grinding drum 16 and comprises a motor 6, a feed inlet 3 is formed in the upper side of the grinding shell 2, a base 15 is fixedly installed on the periphery of the bottom of the shell 1, and a discharge hole 7 is formed in the lower side of the shell 1. The inside of grinding section of thick bamboo 16 is equipped with the hierarchical ball-milling structure, the hierarchical ball-milling structure includes fixed section of thick bamboo 20, first ball grinding section of thick bamboo 23, second ball grinding section of thick bamboo 26, third ball grinding section of thick bamboo 29 that cover was established in proper order from inside to outside, a plurality of export 21 have been seted up on the section of thick bamboo wall of fixed section of thick bamboo 20, a plurality of first filter openings 24 have been seted up on the section of thick bamboo wall of first ball grinding section of thick bamboo 23, a plurality of second filter openings 27 have been seted up on the section of thick bamboo wall of second ball grinding section of thick bamboo 26, a plurality of third filter openings 30 have been seted up on the section of thick bamboo wall of third ball grinding section of thick bamboo 29, all be equipped with the filter screen on first filter openings 24, second filter openings 27, the third ball grinding section of thick bamboo 29, the mesh number of filter screens on first filter openings 24, second filter openings 27, the third ball grinding section of thick bamboo 29 increases in proper order, and in an embodiment, the mesh number of specific filter screens is determined with the granularity of silicon powder according to the patch type discrete device. The first filtering openings 24, the second filtering openings 27 and the third ball grinding drums 29 are distributed in a staggered manner, a first ball grinding channel 22 is formed between the fixed drum 20 and the first ball grinding drum 23, a second ball grinding channel 25 is formed between the first ball grinding drum 23 and the second ball grinding drum 26, a third ball grinding channel 28 is formed between the second ball grinding drum 26 and the third ball grinding drum 29, ball grinding media are arranged in the first ball grinding channel 22, the second ball grinding channel 25 and the third ball grinding channel 28, a feeding drum 31 is arranged between the fixed drum 20, the first ball grinding drum 23, the second ball grinding drum 26 and the third ball grinding drum 29 in a penetrating manner, two sides of the fixed drum 20, the first ball grinding drum 23, the second ball grinding drum 26 and the third ball grinding drum 29 are fixed at two ends of the grinding drum 16, one end of the grinding drum 16 is in an openable structure and is used for taking out corresponding silicon micro powder in the corresponding grinding channel, the motor 18 penetrates through the inside the grinding drum 16, the rotating shaft 18 is fixedly arranged outside the rotating shaft 18, and the rotating shaft 19 of the rotating shaft is fixedly connected with the rotating shaft 19 of the fixed drum 19.
By throwing the silicon powder into the fixed cylinder 20 through the feeding cylinder 31 from the feeding port 3, at the moment, the motor 6 drives the rotating shaft 18 to rotate by starting the motor 6, the rotating shaft 18 is driven by the motor 6 to rotate, the fixed cylinder 20 is driven by the motor 6 to rotate, the first ball grinding cylinder 23, the second ball grinding cylinder 26 and the third ball grinding cylinder 29 are driven by rotation, the silicon powder enters the first ball grinding channel 22 through the outlet 21, the silicon powder is ground in the first ball grinding channel 22 through the ball grinding medium inside the silicon powder, the silicon powder is ground into the silicon powder which meets the particle size fineness of the corresponding filter screen, the silicon powder can enter the second ball grinding channel 25 through the filter screen on the first filter port 24, the silicon powder is further ground into the silicon powder which can pass through the filter screen on the second filter port 27 through the ball grinding medium in the second ball grinding channel 25, the silicon micro powder can be further ground into the silicon micro powder which can pass through the filter screen on the third ball grinding cylinder 29 through the ball grinding medium in the third ball grinding channel 28 through the filter screen on the second filter port 27, the silicon micro powder can enter the inner cavity of the grinding shell 2 through the filter screen on the third ball grinding cylinder 29, the grinding cylinder 16 continues to rotate, therefore, the grinding cylinder 16 can further grind the silicon micro powder, when grinding is finished, the silicon micro powder can fall into the rotary cylinder 13 from the notch, the rotary cylinder 13 is movably connected to the notch, the second bevel gear 12 is fixedly arranged on the outer wall below the rotary cylinder 13, the first bevel gear 11 is vertically meshed and installed on the second bevel gear 12, the inner cavity of the rotary cylinder 13 is provided with the fixed ball 14, the fixed ball 14 is fixedly connected to the inner wall of the notch through the connecting rod, and the rotary cylinder 13 and the discharge port 7 are horizontally aligned. Under drive mechanism's assistance, can drive second bevel gear 12 and rotate when first bevel gear 11 rotates to can drive rotary drum 13 and rotate, because rotary drum 13 inner chamber is provided with fixed ball 14, fixed ball 14 can carry out further grinding to the silica flour, thereby guaranteed that the silica flour that makes is finer.
In this application, the inside of grinding vessel 16 is equipped with hierarchical ball-milling structure, corresponds at each ball-milling passageway of grinding vessel 16 and is equipped with the filter screen, and the ball-milling passageway from inside to outside corresponds the filter mesh number that is equipped with and increases in proper order, and the silica fume particle diameter distribution who stays in corresponding passageway is close, and particle diameter distribution is narrow, can select the silica fume of different gradations according to the specific condition of paster type discrete device, grinds the back, can open the end closure of grinding vessel 16 wherein one side under the shut down state, takes out the silica fume of corresponding gradation in the corresponding grinding passageway for the packing of corresponding paster type discrete device.
And this application can realize multistage drive through a actuating mechanism, and the energy saving is applicable to enterprise continuous production.
In a specific embodiment, the motor 6 is disposed on the housing 1, a rotating shaft is fixedly mounted at an output end of the motor 6, one end of the rotating shaft movably penetrates through the grinding shell 2, and a first gear 5 is fixedly mounted on the rotating shaft. In this setting, through starter motor 6, motor 6 drives the pivot and rotates to can drive grinding vessel 16 that grinds the setting of shell 2 inner chamber and rotate, consequently can let grinding vessel 16 grind the silica flour, silica flour can fall into to rotary drum 13 in the notch when finishing grinding, because in the pivot fixed mounting have first gear 5, the pivot can drive first gear 5 and rotate.
Further, an arc notch 4 is formed in the position, below the first gear 5, of the shell 1, a second gear 17 is arranged in the position, below the arc notch 4, of the second gear 17, the second gear 17 is in meshed connection with the first gear 5, one side of the second gear 17 is fixedly provided with a first rotating rod 8, and the other end of the first rotating rod 8 is movably connected with the side wall of the shell 1. In this setting, it is guaranteed that the second gear 17 can be driven to rotate when the first gear 5 rotates.
Further, a third gear 10 is installed below the second gear 17 in a meshed manner, a second rotating rod 9 is fixedly installed in the middle of the third gear 10 in a penetrating manner, one end of the second rotating rod 9 is movably connected to the inner wall of the shell 1, and a first bevel gear 11 is fixedly installed at the other end of the second rotating rod 9. In this setting, can drive third gear 10 and rotate under the assistance of second bull stick 9 when second gear 17 rotates, can drive first bevel gear 11 and rotate when second bull stick 9 rotates.
Further, the rotary drum 13 is movably connected to the notch, a second bevel gear 12 is fixedly arranged on the outer wall below the rotary drum 13, and a first bevel gear 11 is vertically arranged on the second bevel gear 12 in a meshed manner. The inner cavity of the rotary drum 13 is provided with a fixed ball 14, the fixed ball 14 is fixedly connected to the inner wall of the notch through a connecting rod, and the rotary drum 13 and the discharge hole 7 are aligned in the horizontal direction. In this setting, guaranteed to drive second bevel gear 12 when first bevel gear 11 rotates to can drive rotary drum 13 and rotate, because rotary drum 13 inner chamber is provided with fixed ball 14, fixed ball 14 can carry out further grinding to the silica flour, thereby guaranteed that the silica flour that makes is finer.
The implementation principle of the ultra-fine silica powder preparation system for the patch type discrete device in this embodiment is as follows: firstly, the silicon micro powder is thrown into a fixed cylinder 20 from a feeding hole 3 through a feeding cylinder 31, at the moment, a motor 6 is started, the motor 6 drives a rotating shaft 18 to rotate, the motor 6 drives the rotating shaft 18 to rotate so as to drive the fixed cylinder 20 to rotate, thereby driving a first ball grinding cylinder 23, a second ball grinding cylinder 26 and a third ball grinding cylinder 29 to rotate, silicon powder enters a first ball grinding channel 22 from a through outlet 21, the silicon powder is ground into silicon powder in the first ball grinding channel 22 through a ball grinding medium in the first ball grinding channel, the silicon powder which meets the particle size fineness of a corresponding filter screen is ground into the second ball grinding channel 25 through a filter screen on the first filter port 24, a part of the silicon micro powder is further ground into the silicon micro powder which can pass through the filter screen on the second filter port 27 through the ball grinding medium in the second ball grinding channel 25, the filter screen on the second filter port 27 is then enters a third ball grinding channel 28, the silica fume which cannot pass through the filter screen on the second filtering port 27 stays in the second ball milling channel 25, the staying silica fume can be collected to form a graded silica fume for filling of the corresponding patch type discrete device, a part of the silica fume is further ground into the silica fume which can pass through the filter screen on the third ball milling barrel 29 by the ball milling medium in the third ball milling channel 28, the silica fume which can not pass through the filter screen on the third ball milling barrel 29 enters the inner cavity of the grinding shell 2, the silica fume which can not pass through the filter screen on the third ball milling barrel 29 stays in the third ball milling barrel 29, the staying silica fume can be collected to form another graded silica fume for filling of the corresponding patch type discrete device, the grinding barrel 16 continues to rotate, so that the grinding barrel 16 can further grind the silica fume, when finishing grinding in the silica flour can fall into rotary drum 13 from the notch, under drive mechanism's assistance, because fixed mounting has first gear 5 to rotate in the pivot, can drive second gear 17 and rotate when first gear 5 rotates, can drive third gear 10 and rotate under the assistance of second bull stick 9 when second bull stick 9 rotates, can drive first bevel gear 11 and rotate when second bull stick 9 rotates, can drive second bevel gear 12 and rotate, thereby can drive rotary drum 13 and rotate, because rotary drum 13 inner chamber is provided with fixed ball 14, fixed ball 14 can carry out further grinding to the silica flour, thereby guaranteed that the silica flour that makes is finer, the silica flour of these can be collected, form still another grading silica flour, be used for the packing of corresponding paster type discrete device.
After the grinding cylinder 16 can grind the silica powder in multiple stages, when finishing grinding, the silica powder can fall into the grinding shell 2 from the notch and grind to the inner cavity, and then the silica powder is further ground through the fixed ball 14 in the rotary cylinder 13, so that the manufactured silica powder is thinner.
In this application, the inside of grinding vessel 16 is equipped with hierarchical ball-milling structure, corresponds at each ball-milling passageway of grinding vessel 16 and is equipped with the filter screen, and the ball-milling passageway from inside to outside corresponds the filter mesh number that is equipped with and increases in proper order, and the silica fume particle diameter distribution who stays in corresponding passageway is close, and particle diameter distribution is narrow, can select the silica fume of different gradations according to the specific condition of paster type discrete device, grinds the back, can open the end closure of grinding vessel 16 wherein one side under the shut down state, takes out the silica fume of corresponding gradation in the corresponding grinding passageway for the packing of corresponding paster type discrete device. The utility model provides a through a equipment, a drive can collect the silica flour of different gradations, satisfies the gradation demand of silica flour for the discrete device of different paster type, and application scope is wide to this application can realize multistage drive through a actuating mechanism, the energy saving is applicable to enterprise continuous production.
In the embodiment to be protected, the invention provides a superfine silica powder preparation system for a patch type discrete device, which comprises a shell 1 and a grinding shell 2, wherein the grinding shell 2 is fixedly arranged in the shell 1, a notch is formed in the bottom of the grinding shell 2, a rotating mechanism is arranged in an inner cavity of the notch, the rotating mechanism comprises a rotary drum 13, a grinding cylinder 16 is arranged in the inner cavity of the grinding shell 2, a grading ball milling structure is arranged in the grinding cylinder 16, a transmission mechanism is arranged on one side wall of the grinding cylinder 16, the transmission mechanism comprises a motor 6, a feed inlet 3 is formed in the upper part of the grinding shell 2, bases 15 are fixedly arranged on the periphery of the bottom of the shell 1, and a discharge hole 7 is formed in the lower part of the shell 1.
Preferably, the motor 6 is disposed on the housing 1, a rotating shaft 18 is fixedly mounted at an output end of the motor 6, one end of the rotating shaft 18 movably penetrates through the grinding shell 2, and a first gear 5 is fixedly mounted at one end of the rotating shaft 18, which is close to the motor.
Preferably, the classifying ball milling structure comprises a fixed cylinder 20, a first ball milling cylinder 23, a second ball milling cylinder 26 and a third ball milling cylinder 29 which are sequentially sleeved from inside to outside, wherein a plurality of outlets 21 are formed in the cylinder wall of the fixed cylinder 20, a plurality of first filter openings 24 are formed in the cylinder wall of the first ball milling cylinder 23, a plurality of second filter openings 27 are formed in the cylinder wall of the second ball milling cylinder 26, a plurality of third filter openings 30 are formed in the cylinder wall of the third ball milling cylinder 29, filter screens are arranged on the first filter openings 24, the second filter openings 27 and the third ball milling cylinder 29, a first ball milling channel 22 is formed between the fixed cylinder 20 and the first ball milling cylinder 23, a second ball milling channel 25 is formed between the first ball milling cylinder 23 and the second ball milling cylinder 26, a third ball milling channel 28 is formed between the second ball milling cylinder 26 and the third ball milling cylinder 29, ball milling media are arranged in the first ball milling channel 22, the second ball milling channel 25 and the third ball milling channel 28, a plurality of filter screens 30 are arranged on the cylinder wall of the third ball milling cylinder 29, a rotary shaft is arranged on the fixed cylinder 16, the fixed cylinder 16 is connected with the fixed cylinder 16, the fixed cylinder 19 is connected with the fixed cylinder 16, and the fixed cylinder 16 is arranged on the other side of the fixed cylinder, and the fixed cylinder is fixed on the fixed cylinder 16.
Preferably, the mesh number of the filter screens on the first filter port 24, the second filter port 27 and the third ball mill 29 is sequentially increased, and the first filter port 24, the second filter port 27 and the third ball mill 29 are staggered.
Preferably, an arc notch 4 is formed below the first gear 5 at the position of the shell 1, a second gear 17 is arranged at the position of the arc notch 4, the second gear 17 is in meshed connection with the first gear 5, a first rotating rod 8 is fixedly arranged on one side of the second gear 17, and the other end of the first rotating rod 8 is movably connected with the side wall of the shell 1.
Preferably, a third gear 10 is installed below the second gear 17 in a meshed manner, a second rotating rod 9 is fixedly installed in the middle of the third gear 10 in a penetrating manner, one end of the second rotating rod 9 is movably connected to the inner wall of the shell 1, and a first bevel gear 11 is fixedly installed at the other end of the second rotating rod 9.
Preferably, the rotary drum 13 is movably connected to the notch, a second bevel gear 12 is fixedly installed on the outer wall below the rotary drum 13, and the second bevel gear 12 is vertically meshed with and installed on the first bevel gear 11.
Preferably, the inner cavity of the rotary drum 13 is provided with a fixed ball 14, the fixed ball 14 is fixedly connected to the inner wall of the notch through a connecting rod, and the rotary drum 13 and the discharge hole 7 are aligned in the horizontal direction.
The preparation method of the superfine silica powder for the patch type discrete device by using the system comprises the following steps: firstly, silicon micro powder is input from a feed port 3, enters a fixed cylinder 20 through a feed cylinder 31, at the moment, the motor 6 drives a rotating shaft 18 to rotate through starting a motor 6, the rotating shaft 18 is driven by the motor 6 to rotate so as to drive the fixed cylinder 20 to rotate, thereby driving a first ball grinding cylinder 23, a second ball grinding cylinder 26 and a third ball grinding cylinder 29 to rotate, the silicon micro powder enters a first ball grinding channel 22 through an outlet 21, silicon powder is ground into silicon powder through a ball grinding medium in the first ball grinding channel 22, the ground silicon micro powder meeting the particle size fineness of a corresponding filter screen enters a second ball grinding channel 25 through a filter screen on the first filter port 24, a part of the silicon micro powder is further ground into the silicon micro powder through the ball grinding medium in the second ball grinding channel 25, the silicon micro powder can enter a third ball grinding channel 28 through the filter screen on the second filter port 27, the silicon micro powder which cannot pass through the filter screen on the second filter port 27 stays in the second ball grinding channel 25, and the silicon micro powder stays is collected to form a graded silicon micro powder for a corresponding filling patch type chip device;
a part of the silicon micro powder is further ground into silicon micro powder capable of passing through a filter screen on a third ball grinding cylinder 29 through a ball grinding medium in a third ball grinding channel 28, the silicon micro powder capable of passing through the filter screen on the third ball grinding cylinder 29 enters the inner cavity of the grinding shell 2, the silicon micro powder incapable of passing through the filter screen on the third ball grinding cylinder 29 stays in the third ball grinding cylinder 29, the stay silicon micro powder is collected to form another graded silicon micro powder for filling of corresponding patch type discrete devices;
the grinding cylinder 16 continues to rotate, so that the grinding cylinder 16 further grinds cavity silica fume in the grinding shell 2, the silica fume can fall into the rotary drum 13 from the notch when finishing grinding, under the assistance of the transmission mechanism, because the first gear 5 is fixedly installed on the rotary shaft to rotate, the second gear 17 can be driven to rotate when the first gear 5 rotates, the third gear 10 can be driven to rotate under the assistance of the second rotating rod 9 when the second gear 17 rotates, the first bevel gear 11 can be driven to rotate when the second rotating rod 9 rotates, the second bevel gear 12 can be driven to rotate when the first bevel gear 11 rotates, and the rotary drum 13 can be driven to rotate, because the inner cavity of the rotary drum 13 is provided with the fixed balls 14, the fixed balls 14 can grind the silica fume still further, and therefore the manufactured silica fume is ensured to be finer, the silica fume can be collected, and the silica fume can be used for filling of corresponding patch type discrete devices.
Claims (7)
1. The utility model provides a superfine silica powder preparation system for chip type discrete device, includes casing (1) and grinding shell (2), its characterized in that, casing (1) internally mounted has grinding shell (2), notch has been seted up to the bottom of grinding shell (2), and notch inner chamber is provided with rotary mechanism, rotary mechanism includes rotary drum (13), grinding shell (2) inner chamber is provided with grinding vessel (16), the inside of grinding vessel (16) is equipped with hierarchical ball-milling structure, grinding vessel (16) a side wall is provided with drive mechanism, drive mechanism includes motor (6), feed inlet (3) have been seted up to grinding shell (2) top, all around the bottom of casing (1) fixed mounting has base (15), discharge gate (7) have been seted up to casing (1) below; the motor (6) is arranged on the shell (1), a rotating shaft (18) is fixedly arranged at the output end of the motor (6), one end of the rotating shaft (18) movably penetrates through the grinding shell (2), and a first gear (5) is fixedly arranged at one end, close to the motor, of the rotating shaft (18); the rotary drum (13) is movably connected to the notch through the first gear (5) and the tooth transmission structure, a fixed ball (14) is arranged in the inner cavity of the rotary drum (13), the fixed ball (14) is fixedly connected to the inner wall of the notch through a connecting rod, and the rotary drum (13) and the discharge port (7) are aligned in the horizontal direction.
2. The surface mounted discrete device ultrafine silicon powder preparation system according to claim 1, wherein the classifying ball milling structure comprises a fixed cylinder (20), a first ball milling cylinder (23), a second ball milling cylinder (26) and a third ball milling cylinder (29) which are sequentially sleeved from inside to outside, a plurality of outlets (21) are formed in the cylinder wall of the fixed cylinder (20), a plurality of first filter openings (24) are formed in the cylinder wall of the first ball milling cylinder (23), a plurality of second filter openings (27) are formed in the cylinder wall of the second ball milling cylinder (26), a plurality of third filter openings (30) are formed in the cylinder wall of the third ball milling cylinder (29), a filter screen is arranged on each of the first filter openings (24), the second filter openings (27) and the third ball milling cylinder (29), a first ball milling channel (22) is formed between the fixed cylinder (20) and the first ball milling cylinder (23), a second ball milling channel (25) is formed between the first ball milling cylinder (23) and the second ball milling cylinder (26), a plurality of third filter openings (30) are formed in the cylinder wall of the third ball milling cylinder (29), and the first ball milling channel (28) is formed between the second ball milling cylinder (23) and the third ball milling cylinder (29), and the first ball milling channel (28) A feeding cylinder (31) is arranged between the third ball grinding cylinders (29) in a penetrating mode, two sides of the fixed cylinder (20), the first ball grinding cylinder (23), the second ball grinding cylinder (26) and the third ball grinding cylinder (29) are fixed to end caps on two sides of the grinding cylinder (16), one end cap of one side of the grinding cylinder (16) is of an openable structure, a rotating shaft (18) of the motor (6) is fixed to the inside of the grinding cylinder (16) in a penetrating mode, a plurality of supports (19) are fixedly arranged on the outer portion of the rotating shaft (18), and the other ends of the supports (19) are fixedly connected with the inner wall of the fixed cylinder (20).
3. The ultra-fine silica powder preparation system for a chip discrete device according to claim 2, wherein the mesh number of the filter screens on the first filter port (24), the second filter port (27) and the third ball mill (29) is sequentially increased, and the first filter port (24), the second filter port (27) and the third ball mill (29) are alternately distributed.
4. The ultra-fine silica powder preparation system for the patch type discrete device according to claim 3, wherein the tooth transmission structure comprises a second gear (17), an arc-shaped notch (4) is formed in the position, below the first gear (5), of the shell (1), the second gear (17) is arranged in the position, below the arc-shaped notch (4), of the arc-shaped notch, the second gear (17) is meshed and connected with the first gear (5), a first rotating rod (8) is fixedly arranged on one side of the second gear (17), and the other end of the first rotating rod (8) is movably connected with the side wall of the shell (1).
5. The system for preparing ultrafine silica powder for a chip discrete device according to claim 4, wherein a third gear (10) is installed below the second gear (17) and Fang Niege, a second rotating rod (9) is fixedly installed in the middle of the third gear (10) in a penetrating mode, one end of the second rotating rod (9) is movably connected to the inner wall of the shell (1), and a first bevel gear (11) is fixedly installed at the other end of the second rotating rod (9).
6. The ultra-fine silica powder preparation system for chip discrete devices according to claim 5, wherein a second bevel gear (12) is fixedly installed on the outer wall below the rotary drum (13), and the second bevel gear (12) is vertically engaged with and installed on the first bevel gear (11).
7. The method for preparing the superfine silica powder for the surface-mounted discrete device by using the system as claimed in claim 6, which is characterized by comprising the following steps: firstly, throwing silicon micro powder from a feeding hole (3), entering a fixed barrel (20) through a feeding barrel (31), entering a first ball milling channel (22) through an outlet (21), grinding silicon powder through ball milling media in the first ball milling channel (22), then entering a second ball milling channel (25) through a filter screen on a first filtering hole (24), grinding silicon powder through ball milling media in the second ball milling channel (25), then entering a third ball milling channel (28) through a filter screen on a second filtering hole (27), grinding silicon powder through ball milling media in the third ball milling channel (28), then entering an inner cavity of a grinding shell (2) through a filter screen on a third ball milling barrel (29), grinding silicon micro powder in the inner cavity of the grinding shell (2) through a grinding barrel (16), then falling into a rotary drum (13) from a notch, grinding silicon powder through a fixed ball (14) in the inner cavity of the rotary drum (13), opening one side of the grinding barrel (16) to obtain silicon micro powder corresponding to a silicon micro powder end-sealing end of the grinding barrel, and collecting the micro powder from a discharging port (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410015664.9A CN117505004A (en) | 2024-01-05 | 2024-01-05 | Superfine silica powder preparation system and method for surface mount discrete devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410015664.9A CN117505004A (en) | 2024-01-05 | 2024-01-05 | Superfine silica powder preparation system and method for surface mount discrete devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205042552U (en) * | 2015-09-29 | 2016-02-24 | 长沙市望城区铜官窑品陶轩陶艺坊（普通合伙） | Ceramic raw material ball grinding mill |
| CN209302871U (en) * | 2018-08-03 | 2019-08-27 | 盐城市鼎力新材料有限公司 | A kind of efficient ball mill for grinding flyash |
| WO2022146282A1 (en) * | 2020-12-29 | 2022-07-07 | Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A powder production system |
| CN217190068U (en) * | 2021-12-01 | 2022-08-16 | 山东晶亿新材料有限公司 | Ceramic pug ball mill for ceramic manufacture |
| CN218190014U (en) * | 2022-09-16 | 2023-01-03 | 郑州亨瑞达新材料有限公司 | Raw material grinding device is used in production of zirconium mullite brick |
-
2024
- 2024-01-05 CN CN202410015664.9A patent/CN117505004A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205042552U (en) * | 2015-09-29 | 2016-02-24 | 长沙市望城区铜官窑品陶轩陶艺坊（普通合伙） | Ceramic raw material ball grinding mill |
| CN209302871U (en) * | 2018-08-03 | 2019-08-27 | 盐城市鼎力新材料有限公司 | A kind of efficient ball mill for grinding flyash |
| WO2022146282A1 (en) * | 2020-12-29 | 2022-07-07 | Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi | A powder production system |
| CN217190068U (en) * | 2021-12-01 | 2022-08-16 | 山东晶亿新材料有限公司 | Ceramic pug ball mill for ceramic manufacture |
| CN218190014U (en) * | 2022-09-16 | 2023-01-03 | 郑州亨瑞达新材料有限公司 | Raw material grinding device is used in production of zirconium mullite brick |
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