CN112958228A - Screen separation device for grinding machine - Google Patents
Screen separation device for grinding machine Download PDFInfo
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- CN112958228A CN112958228A CN202110273089.9A CN202110273089A CN112958228A CN 112958228 A CN112958228 A CN 112958228A CN 202110273089 A CN202110273089 A CN 202110273089A CN 112958228 A CN112958228 A CN 112958228A
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- grinding
- assembly
- screen
- cavity
- screen assembly
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- 238000000926 separation method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 19
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 17
- 229910052726 zirconium Inorganic materials 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000011344 liquid material Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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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
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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
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/1855—Discharging devices combined with sorting or separating of material with separator defining termination of crushing zone, e.g. screen denying egress of oversize material
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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
- B02C17/18—Details
- B02C17/24—Driving mechanisms
Abstract
The present invention provides a screen separation apparatus for a grinding mill, comprising: a grinding assembly and a screen assembly; one end of the grinding assembly is connected with the grinding main shaft, the other end of the grinding assembly is provided with a grinding inner cavity, a screen assembly is arranged in the grinding inner cavity, and one end, far away from the grinding assembly, of the screen assembly is connected with the discharging shaft; the discharging shaft is used for guiding the ground materials to the charging bucket; the grinding assembly and the screen assembly are both arranged in a centrifugal barrel, and one end of the grinding main shaft, which is far away from the grinding assembly, penetrates through the centrifugal barrel and is used for being connected with a driving mechanism; the centrifugal barrel is communicated with the grinding cavity, and the grinding cavity is communicated with the discharge shaft through the screen assembly; be used for realizing that the grinding machine improves liquid material and can make full use of grinding space at the during operation, further make the contact of grinding particle more abundant, improve the fineness of the granularity of grinding back liquid material.
Description
Technical Field
The invention relates to the technical field of grinding mills, in particular to a screen separation device for a grinding mill.
Background
Currently, the abrasive particles in the grinder mix with the liquid under the rotation of the rotating shaft, causing the particles to collide. Because of the high hardness of the grinding particles, the particles in the liquid are scattered and refined in collision. The refined liquid flows out from the discharge hole of the sand mill in an overflow mode.
In practical applications, the feeding mode conventionally adopted is direct feeding (entering from the left end of the grinding machine, and flowing out from the right end, or entering from the right end and flowing out from the left end). By adopting the feeding mode, the grinding space is not fully utilized by the liquid, the liquid is not fully contacted with the grinding particles, and the granularity of the ground liquid is influenced to a certain degree.
Disclosure of Invention
The invention provides a screen separation device for a grinding machine, which is used for improving the liquid material and fully utilizing the grinding space when the grinding machine works, further ensuring that the ground particles are contacted more fully and improving the fineness of the granularity of the ground liquid material.
The present invention provides a screen separation apparatus for a grinding mill, comprising: a grinding assembly and a screen assembly;
one end of the grinding assembly is connected with the grinding main shaft, the other end of the grinding assembly is provided with a grinding inner cavity, a screen assembly is arranged in the grinding inner cavity, and one end, far away from the grinding assembly, of the screen assembly is connected with the discharging shaft; the discharging shaft is used for guiding the ground materials to the charging bucket;
the grinding assembly and the screen assembly are both arranged in a centrifugal barrel, and one end of the grinding main shaft, which is far away from the grinding assembly, penetrates through the centrifugal barrel and is used for being connected with a driving mechanism;
the centrifugal barrel is communicated with the grinding cavity, and the grinding cavity is communicated with the discharge shaft through the screen assembly.
Preferably, the grinding assembly is of a cylindrical structure, one side of the grinding assembly, which is close to the feeding end, is connected with the grinding spindle, and one side of the grinding assembly, which is close to the discharging end, is connected with the screen assembly;
a first grinding cavity is formed between the grinding assembly and the centrifugal barrel, and a second grinding cavity is formed between the grinding assembly and the screen assembly.
Preferably, the first grinding chamber is used for primary grinding, wherein the grinding assembly and grinding particles grind materials in the centrifugal barrel;
the second grinding cavity is used for secondary grinding, and the secondary grinding is that the screen assembly and the grinding particles grind materials in the grinding assembly.
Preferably, the first grinding cavity and the second grinding cavity are communicated, and grinding particles are arranged in the first grinding cavity and the second grinding cavity and are zirconium beads.
Preferably, the grinding assembly comprises: the grinding block and the grinding disc are arranged in a disc body with an annular structure, and a plurality of grinding discs are sequentially stacked to form a columnar structure; a grinding inner cavity is formed in the center of the grinding assembly of the columnar structure, and the grinding inner cavity is used for mounting a screen assembly;
the circumferential outer wall of each grinding disc is provided with grinding blocks at intervals, and the grinding blocks are uniformly distributed on the circumferential outer wall of the grinding disc; a plurality of second flow guide holes are uniformly distributed on the circumferential outer wall of the grinding disc,
the second diversion hole is used for communicating the inner cavity of the centrifugal barrel with the grinding inner cavity of the grinding assembly;
a pressing ring is arranged on one side, close to the discharge end, of the grinding assembly, and a plurality of assembling holes penetrate through the pressing ring; a plurality of through holes are uniformly distributed on each grinding disc, and each through hole is used for being matched with the assembly hole and connecting the plurality of grinding discs and the pressure ring into a whole through screws to form a grinding assembly;
the grinding assembly is provided with a screw hole on the grinding disc far away from one side of the pressing ring, and the screw hole is used for being matched with the screw.
Preferably, a sealing plate is arranged on one side of the grinding assembly close to the feeding end, one surface of the sealing plate far away from the grinding shaft assembly is connected with a grinding main shaft, and the grinding main shaft is used for being connected with a driving mechanism;
the shrouding is close to grinding unit's one side and is used for connecting screen assembly, screen assembly's the other end pass through mounting panel detachable connect in grinding unit keeps away from the one end of grinding the main shaft.
Preferably, the screen assembly comprises: the grinding device comprises a shell and a conical shell, wherein a connecting plate is arranged at one end of the shell, sieve holes are uniformly distributed in the circumferential outer wall of one end of the shell, which is close to the connecting plate, and the sieve holes are used for communicating a second cavity in the shell with a grinding inner cavity of a grinding assembly;
a conical shell is further sleeved in the shell, a first cavity of a conical structure is formed in the conical shell, the large-diameter end of the conical shell is connected with the connecting plate, and the small-diameter end of the conical shell is connected with a discharge hole formed in the discharge shaft;
a plurality of first drainage holes are uniformly distributed on the circumferential outer wall of one end, close to the connecting plate, of the conical shell, and the first drainage holes are of strip-shaped structures;
the circumference outer wall of ejection of compact axle is provided with the mounting panel, the mounting panel be used for with the ejection of compact axle is fixed the discharge end of centrifugation bucket.
Preferably, a fixed plate is arranged at the discharge end of the centrifugal barrel, an embedding groove is arranged on one surface of the fixed plate, which is close to the screen assembly,
one surface, close to the fixed plate, of the screen assembly is provided with a first flange, and the first flange is fixedly connected in the embedding groove through bolts;
the mounting panel passes through bolt fixed connection and keeps away from the one side of first flange at the fixed plate.
The embodiment of the invention provides a screen separation device for a grinding machine, which is used for realizing the purposes that liquid materials are in full contact and collision with grinding particles in the grinding machine through a diversion mode and a reverse material pushing mode when the grinding machine works, and the granularity of the crushed liquid is refined; the grinding space can be fully utilized by improving the liquid material, so that the grinding particles are more fully contacted, and the fineness of the granularity of the ground liquid material is improved; when the device works specifically, the driving mechanism is set as a motor; at first with grinding unit and grinding main shaft fixed connection as an organic whole, the screen assembly is connected to the one end of keeping away from the grinding main shaft at grinding unit, utilizes grinding unit and screen assembly to carry out centrifugal grinding to liquidity material simultaneously, and exports with centrifugal mode through the material axle with the liquidity material that will grind through screen assembly, has both improved grinding efficiency, and the material that grinds simultaneously can flow out the purpose of machine fast and smoothly, reduces the condition that the residual material appears in the grinder.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an abrasive assembly and screen assembly according to the present invention;
FIG. 3 is a schematic illustration of a screen assembly and discharge flange configuration of the present invention;
FIG. 4 is a schematic view of a polishing assembly according to the present invention;
FIG. 5 is a schematic structural view of a receiving mechanism according to the present invention;
FIG. 6 is a schematic view of the pressing mechanism of the present invention;
FIG. 7 is a schematic view of the structure of the annular frame of the present invention;
FIG. 8 is a schematic view of the communication port structure of the present invention;
FIG. 9 is a schematic view of the structure of the charging basket of the present invention;
wherein, 1-grinding component, 2-screen component, 3-shell, 4-first cavity, 5-grinding inner cavity, 6-grinding block, 7-grinding disc, 8-centrifugal barrel, 9-grinding main shaft, 10-connecting plate, 11-first drainage hole, 12-conical shell, 13-first flange, 14-second flange, 15-bolt, 16-mounting plate, 17-discharging shaft, 18-screw, 19-pressure ring, 20-second diversion hole,
21-an annular frame body, 22-a fixed disc, 23-a first swing rod, 24-a fluted disc, 25-a first connecting rod, 26-a push rod, 27-a slide block, 28-a slide rail, 29-a hinge shaft, 30-a second connecting rod, 31-a second swing rod, 32-a fixed support, 33-a third connecting rod, 34-a limiting column, 35-a fourth connecting rod, 36-a fifth connecting rod, 37-a sixth connecting rod and 38-a seventh connecting rod,
39-piston, 40-main pipe, 41-branch pipe, 42-connector, 43-communicating port, 44-eighth connecting rod, 45-engaging tooth, 46-second cavity, 47-sieve hole and 48-charging basket.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to an embodiment of the present invention, as shown in fig. 1-9, there is provided a screen separation apparatus for a grinding mill, comprising: a grinding assembly 1 and a screen assembly 2;
one end of the grinding assembly 1 is connected with a grinding main shaft 9, the other end of the grinding assembly 1 is provided with a grinding inner cavity 5, a screen assembly 2 is arranged in the grinding inner cavity 5, and one end, far away from the grinding assembly 1, of the screen assembly 2 is connected with a discharging shaft 17; the discharging shaft 17 is used for guiding the ground materials to the charging basket 48;
the grinding assembly 1 and the screen assembly 2 are both arranged in a centrifugal barrel 8, and one end, far away from the grinding assembly 1, of the grinding spindle 9 penetrates through the centrifugal barrel 8 and is used for being connected with a driving mechanism;
the centrifugal barrel 8 is communicated with the grinding cavity 5, and the grinding cavity 5 is communicated with the discharge shaft 17 through the screen assembly 2.
The grinding assembly 1 is of a cylindrical structure, one side, close to the feeding end, of the grinding assembly 1 is connected with a grinding main shaft 9, and one side, close to the discharging end, of the grinding assembly 1 is connected with the screen assembly 2;
a first grinding cavity is formed between the grinding assembly 1 and the centrifugal barrel 8, and a second grinding cavity is formed between the grinding assembly 1 and the screen assembly 2.
The first grinding chamber is used for primary grinding, wherein the grinding assembly 1 and grinding particles grind materials in the centrifugal barrel 8;
the second grinding chamber is used for secondary grinding, which is to grind the material in the grinding assembly 1 by the screen assembly 2 and the grinding particles.
The first grinding cavity and the second grinding cavity are communicated and arranged, grinding particles are arranged in the first grinding cavity and the second grinding cavity, and the grinding particles are zirconium beads.
The embodiment of the invention provides a screen separation device for a grinding machine, which is used for realizing the purposes that liquid materials are in full contact and collision with grinding particles in the grinding machine through a diversion mode and a reverse material pushing mode when the grinding machine works, and the granularity of the crushed liquid is refined; the grinding space can be fully utilized by improving the liquid material, so that the grinding particles are more fully contacted, and the fineness of the granularity of the ground liquid material is improved; when the device works specifically, the driving mechanism is set as a motor; at first with grinding unit and grinding main shaft fixed connection as an organic whole, the screen assembly is connected to the one end of keeping away from the grinding main shaft at grinding unit, utilizes grinding unit and screen assembly to carry out centrifugal grinding to liquidity material simultaneously, and exports with centrifugal mode through the material axle with the liquidity material that will grind through screen assembly, has both improved grinding efficiency, and the material that grinds simultaneously can flow out the purpose of machine fast and smoothly, reduces the condition that the residual material appears in the grinder.
Specifically, under the dragging of the driving mechanism, the grinding assembly rotates at a high speed to provide a high-speed rotating speed for grinding zirconium beads and liquid materials in the first grinding cavity, the density of the zirconium beads is far higher than that of the materials, the viscosity of the materials is higher, and the kinetic energy difference between the zirconium beads and the materials is larger, so that the purpose of cutting the materials by the zirconium beads is achieved; high-speed material and zirconium pearl form the torrent again under the hindrance of ceramic structure's centrifugal barrel inner wall to realize that the zirconium pearl improves the cutting efficiency of liquidity material.
Due to the action of centrifugal force, the zirconium beads and the materials with higher density are centrifugally separated in the circumferential area of the inner barrel wall of the centrifugal barrel; meanwhile, a material area with small density is formed in the circle center area of the inner barrel wall of the centrifugal barrel;
the higher the rotating speed of the grinding block is, the smaller the density of a material with small density is formed in the circle center area of the inner barrel wall, and the equivalent diameter of the material is smaller and smaller; with the increase of the speed, a material area with equivalent diameter is formed in the circle center area of the inner barrel wall; the material area with equivalent diameter is used for realizing primary grinding;
in the primary grinding process, as the first grinding cavity and the second grinding cavity are communicated, the screen assembly with the conical structure in the second grinding cavity carries out secondary grinding on the material; after the secondary grinding is carried out through the screen assembly, the ground liquid materials are led out of the grinding machine to the charging basket through a discharging shaft communicated with the screen assembly. The ground material is pushed by the diaphragm pump to smoothly enter the material with small equivalent weight into the inner hole of the discharging shaft through the screen holes to be guided out, so that the nano-scale liquid material is obtained.
A diaphragm pump is arranged at the feed end of the centrifugal separation barrel and is used for injecting materials into the centrifugal separation barrel and completing primary grinding and secondary grinding successively through a first grinding cavity and a second grinding cavity; after the screen assembly carries out secondary grinding and realizes secondary separation grinding with the material, the material of little nanometer equivalent diameter is derived through ejection of compact axle hole under the promotion of diaphragm pump, accomplishes the grinding work this moment. In the process of carrying out secondary grinding on the material by the screen assembly, because the screen assembly blocks and the density of the grinding particles is high, the grinding particles cannot run out of the discharging shaft, and the liquid materials which are well ground flow out of the discharging shaft all the time.
In one embodiment, the grinding assembly 1 comprises: the grinding device comprises a grinding block 6 and a grinding disc 7, wherein the grinding disc 7 is a disc body with an annular structure, and a plurality of grinding discs 7 are sequentially stacked to form a columnar structure; a grinding inner cavity 5 is formed in the center of the grinding assembly 1 of the columnar structure, and a screen assembly 2 is arranged in the grinding inner cavity 5;
the grinding blocks 6 are arranged on the circumferential outer wall of each grinding disc 7 at intervals, and the grinding blocks 6 are uniformly distributed on the circumferential outer wall of each grinding disc 7; a plurality of second diversion holes 20 are uniformly distributed on the circumferential outer wall of the grinding disc 7,
the second diversion hole 20 is used for communicating the inner cavity of the centrifugal barrel 8 with the grinding inner cavity 5 of the grinding assembly 1;
a pressing ring 19 is arranged on one side, close to the discharge end, of the grinding assembly 1, and a plurality of assembling holes penetrate through the pressing ring 19; a plurality of through holes are uniformly distributed on each grinding disc 7, and each through hole is used for being matched with the assembly hole and connecting the plurality of grinding discs 7 and the pressing ring 19 into a whole through screws 18 to form the grinding assembly 1;
the grinding disc 7 on the side, away from the pressure ring 19, of the grinding assembly 1 is provided with a screw hole, and the screw hole is used for being matched with the screw 18.
When the centrifugal grinding device works, a plurality of grinding discs are connected into a whole through screws to form a grinding assembly, and a second flow guide hole arranged on the grinding assembly is used for guiding liquid materials and grinding zirconium beads of a first grinding cavity formed between the centrifugal barrel and the grinding assembly to a second grinding cavity; when the grinding assembly works, the grinding assembly is driven by the grinding main shaft to rotate, so that a grinding block forms turbulence in the first grinding cavity, grinding zirconium beads in the first grinding cavity to cut the liquid material is stirred by the turbulence, and the purpose that the liquid material can be subjected to primary grinding is achieved;
in the primary grinding process, the liquid materials and the grinding zirconium beads can be drained to a second grinding cavity through a second flow guide hole, and secondary grinding is carried out by utilizing the second grinding cavity, so that the purpose of carrying out efficient multiple grinding on the same driving source is achieved.
In one embodiment, a sealing plate is arranged on one side of the grinding assembly 1 close to the feeding end, one side of the sealing plate far away from the grinding shaft assembly is connected with a grinding spindle 9, and the grinding spindle 9 is used for connecting with a driving mechanism;
the shrouding is close to the one side of grinding unit 1 and is used for connecting screen assembly 2, the other end of screen assembly 2 through mounting panel 16 detachable connect in the one end that grinding unit 1 kept away from grinding main shaft 9.
The screen assembly 2 includes: the grinding assembly comprises a shell 3 and a conical shell 12, wherein one end of the shell 3 is provided with a connecting plate 10, the circumferential outer wall of one end of the shell 3 close to the connecting plate 10 is uniformly provided with sieve holes 47, and the sieve holes 47 are used for communicating a second cavity 46 inside the shell 3 with a grinding inner cavity 5 of the grinding assembly 1;
a conical shell 12 is further sleeved in the shell 3, a first cavity 4 with a conical structure is formed in the conical shell 12, the large-diameter end of the conical shell 12 is connected with the connecting plate 10, and the small-diameter end of the conical shell 12 is connected with a discharge hole formed in the discharge shaft 17;
a plurality of first drainage holes 11 are uniformly distributed on the circumferential outer wall of one end, close to the connecting plate 10, of the conical shell 12, and the first drainage holes 11 are of strip-shaped structures;
the circumference outer wall of play material axle 17 is provided with mounting panel 16, mounting panel 16 is used for with play material axle 17 is fixed the discharge end of centrifuge bucket 8.
A fixed plate 14 is arranged at the discharge end of the centrifugal barrel 8, an embedded groove is arranged on one surface of the fixed plate 14 close to the screen assembly 2,
a first flange 13 is arranged on one surface of the screen assembly 2 close to the fixing plate 14, and the first flange 13 is fixedly connected in the embedding groove through a bolt 15;
the mounting plate 16 is fixedly connected to the fixing plate 14 at a side thereof remote from the first flange 13 by bolts 15.
In the embodiment, after the grinding main shaft works, the grinding assembly is driven to rotate, and the screen assemblies connected in the grinding inner cavity of the grinding assembly rotate at a high speed together, so that the purpose of working together with primary grinding and secondary grinding is realized; in addition, when the grinding main shaft is started for the first time to work, the grinding machine firstly carries out primary grinding and achieves the purpose of secondary grinding through the second flow guide holes in sequence; during the continuous operation and the continuous feeding process of the grinder, the primary grinding and the secondary grinding work simultaneously; and in the process that the grinding machine continuously works but does not feed materials, all the materials and zirconium beads in the primary grinding enter the second grinding cavity to be subjected to secondary grinding under the action of centrifugal force, and the motor is turned off until the grinding work is finished.
In the invention, the screen separation method of the grinding machine can separate zirconium beads from liquid materials; meanwhile, the purpose of primary grinding and secondary grinding of the liquid material can be realized; the purpose of high-efficiency grinding is achieved through primary grinding and secondary grinding, the situation that zirconium beads and materials need to be separated after grinding is reduced, and the grinding efficiency and the production efficiency of liquid materials are effectively improved; meanwhile, two grinding spaces are ground twice through one driving source, the driving sources are reduced while the grinding efficiency is improved, and the purpose of environmental protection is achieved.
When the grinding device works specifically, zirconium beads can be isolated by the sieve holes arranged on the shell, meanwhile, a first cavity and a second cavity are formed in the shell by utilizing the conical shell with the conical structure, and the second cavity can be ground for three times along with the conical shell with the conical structure; furthermore, the first cavity and the second cavity are communicated through a first drainage hole formed in the conical shell, so that the material ground for three times flows into the first cavity, the material is ground for four times in the first cavity again, and finally the ground material is drained out of the grinding machine through a discharge shaft communicated with the first cavity;
in addition, in the process of uniformly mixing, because the conical shell is of a conical structure, the purpose of intensifying turbulence in the first cavity and the second cavity can be realized in the process of high-speed rotation, and further the purpose that liquid materials can be cut through the first drainage holes in the third grinding and the fourth grinding is realized; further improving the cutting and grinding efficiency of the liquid material.
In one embodiment, the centrifugal buckets 8 are provided with a plurality of groups, the discharge end of each centrifugal bucket 8 injects materials into the material bucket 48, the material bucket 48 is erected on a material receiving mechanism, and the material receiving mechanism is used for adjusting the material receiving position of the material bucket 48;
receiving mechanism includes: the annular frame body 21 and the fluted disc 24, one face of the annular frame body 21 is provided with an eighth connecting rod 44 with an L structure, one end of the eighth connecting rod 44, which is far away from the annular frame body 21, extends towards the center of the annular frame body 21 and is connected with a fixed disc 22 with a circular structure, the fixed disc 22 is rotatably connected with a first swing rod 23, and the first swing rod 23 is connected with a driving mechanism;
the annular inner wall of the annular frame body 21 is provided with meshing teeth 45, the meshing teeth 45 are meshed with the fluted disc 24, and one surface of the fluted disc 24, which is far away from the first swing rod 23, is provided with a second swing rod 31;
one end of the first swing link 23, which is far away from the fixed disk 22, is provided with an articulated shaft 29 which extends outwards, the articulated shaft 29 penetrates through the fluted disk 24,
one end of the second swing link 31 is fixedly connected to the center of the fluted disc 24, and the other end of the second swing link is provided with a limiting column 34 extending outwards, wherein the limiting column 34 is used for being rotatably connected with one end of a seventh connecting rod 38;
the other end of the seventh connecting rod 38 is fixedly connected to the side wall of the first connecting rod 25, two ends of the first connecting rod 25 are respectively and rotatably connected with the second connecting rod 30 and the sixth connecting rod 37, and the other end of the second connecting rod 30 is respectively hinged with the third connecting rod 33 and the fourth connecting rod 35;
the other end of the third link 33 is rotatably disposed on the fixed bracket 32, the fixed bracket 32 is used for being erected on the ground or a wall, the other end of the fourth link 35 is rotatably connected to one end of the sixth link 37 far away from the first link 25 and one end of the fifth link 36, and the other end of the fifth link 36 is rotatably connected to the other fixed bracket 32.
One end of the second connecting rod 30 close to the first connecting rod 25 is rotatably connected with a sliding block 27, the sliding block 27 is slidably arranged on a sliding rail 28, the sliding rail 28 is erected on one side of the annular frame body 21, one side of the sliding block 27 is connected with a push rod 26, and the push rod 26 is used for connecting a pressurizing mechanism;
the pressurizing mechanism includes: a piston 39 and a main pipe 40, wherein the piston 39 is connected with one end of the push rod 26 far away from the slide block 27, and one end of the piston 39 positioned on the main pipe 40 reciprocates to pressurize the main pipe 40;
the other end of the main pipeline 40 is communicated with a plurality of branch pipelines 41, one end of each branch pipeline 41, which is far away from the main pipeline 40, is provided with a connector 42, each connector 42 is respectively connected with a communication port 43 arranged on the circumferential outer wall of the centrifugal barrel 8 one by one, and each communication port 43 penetrates through the outer wall of the centrifugal barrel 8 to the inner wall of the centrifugal barrel 8
In the embodiment, in order to improve the production efficiency, a plurality of centrifugal barrels are arranged to work simultaneously, materials ground by the centrifugal barrels are collected uniformly through the charging barrel, and the uniformly collected materials are stored or moved to the next production procedure by the charging barrel; consequently, through setting up receiving mechanism, realize carrying out the material collection to the defeated material axle of multiunit centrifugation bucket, can effectively improve production efficiency.
When the gear type rack works specifically, a driving mechanism connected with the first swing rod is started, the driving mechanism is a motor and can drive the first swing rod to swing, the first swing rod can drive a fluted disc to swing, and the fluted disc can move in a meshing manner along with meshing teeth arranged on the inner wall of the annular rack body;
the material barrel connected to the surface of the fluted disc can move periodically, the plurality of discharging shafts are respectively arranged above the annular frame body, and the purpose that the material barrel sequentially carries out material receiving on the grinded centrifugal barrel is achieved through the rotating fluted disc; the fluted disc area during the storage bucket periodic motion, can also reduce the condition that the material that grinds in the storage bucket appears precipitating, and then the purpose that the mixing that improves the material can keep for a long time reduces and leads to the material to get into next process because of precipitating and appear nonconforming condition. And a plurality of liquidity materials are centrifugally ground by utilizing a plurality of centrifugal barrels, so that the grinding efficiency and the production efficiency of collecting finished products after grinding are improved.
After the materials are ground, in order to reduce the situation that the materials are left in the first grinding cavity and the second grinding cavity, the fluted disc can further start the pressurizing mechanism to work when rotating, so that the situation that the materials are dried and adhered after the grinding assembly and the screen assembly are shut down due to the material left in the first grinding cavity and the second grinding cavity is reduced, and the situation that the devices are damaged or the service life of the devices is reduced due to the dried and adhered materials in the grinding assembly and the screen assembly is reduced;
specifically, when the pressurizing mechanism works, a second swing rod arranged on the lower surface of the fluted disc swings along with the periodic motion of the fluted disc, and further drives a rotatably connected seventh connecting rod to swing, the seventh connecting rod drives a connecting rod group to move, the connecting rod group can realize the purpose that a sliding block reciprocates on a sliding rail, and the sliding block can realize the reciprocating motion of a push rod during the reciprocating motion;
the push rod drives the piston to pressurize the front end part of the main pipeline in the main pipeline, so that a branch pipeline connected with the tail end part of the main pipeline is pressurized, a plurality of communication ports arranged on the circumferential outer wall of the centrifugal barrel are provided with insertion holes matched with the connectors, the insertion holes can uniformly input pressurized pressure into the centrifugal barrel, pressurized air pressure enters a first grinding cavity formed between the centrifugal barrel and the grinding assembly, the air pressure is guided to a second grinding cavity formed between the grinding assembly and the screen assembly through second guide holes, and finally the material is pushed to a discharge hole of the discharge shaft through the first guide holes of the screen assembly; finally, the material in the first grinding cavity is pushed to the second grinding cavity in sequence by the aid of the pressurizing mechanism, the residual material in the second grinding cavity is pushed into the second cavity of the screen assembly again, the residual material is pushed into the first cavity through the second cavity, and the residual material is pushed out to the charging barrel from a discharging port of the discharging shaft through the first cavity.
The connecting rod group comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and a sixth connecting rod; the connecting rod group is mainly used for stabilizing the sliding block in the pressurizing process and converting the periodic motion of the fluted disc into the reciprocating motion of the sliding block; when the gear disc and the meshing teeth of the annular frame body are meshed to realize periodic motion, the gear disc drives the square frame formed by the first connecting rod, the second connecting rod, the fourth connecting rod and the sixth connecting rod to integrally swing; the four corners of the square frame are hinged, so that the aim of reciprocating displacement of the square frame as a whole is fulfilled; then, the third connecting rod and the fifth connecting rod are respectively hinged with two corners of one side of the square frame, which is far away from the seventh connecting rod, so that the square frame can stably drive the sliding block to reciprocate on the sliding rail along with the rotation of the fluted disc, and the purpose of starting the pressurizing mechanism is realized;
in addition, the pressurizing mechanism can also realize the cleaning of the first grinding cavity, the second grinding cavity and the discharge shaft, during the specific cleaning, water can be injected into the centrifugal barrel, and can also be injected into the main pipeline, so that the pressurizing mechanism can be used for pressurizing water in the main pipeline or water in the centrifugal barrel, the purpose of cleaning the grinding machine is realized, the condition that material residues occur inside the grinding machine after shutdown is reduced, and the service life of the grinding machine is prolonged.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A screen separation apparatus for a grinding mill, comprising: a grinding assembly (1) and a screen assembly (2);
one end of the grinding assembly (1) is connected with a grinding main shaft (9), the other end of the grinding assembly (1) is provided with a grinding inner cavity (5), a screen assembly (2) is arranged in the grinding inner cavity (5), and one end, far away from the grinding assembly (1), of the screen assembly (2) is connected with a discharging shaft (17); the discharging shaft (17) is used for guiding the ground materials to a charging basket (48);
the grinding assembly (1) and the screen assembly (2) are both arranged in a centrifugal barrel (8), and one end, far away from the grinding assembly (1), of the grinding main shaft (9) penetrates through the centrifugal barrel (8) and is used for being connected with a driving mechanism;
the centrifugal barrel (8) is communicated with the grinding cavity (5), and the grinding cavity (5) is communicated with the discharge shaft (17) through the screen assembly (2).
2. A screen separation apparatus for a grinding mill according to claim 1, characterised in that the grinding unit (1) is provided in a cylindrical configuration, the grinding unit (1) being connected to the grinding spindle (9) on the side adjacent the feed end, and the grinding unit (1) being connected to the screen unit (2) on the side adjacent the discharge end;
a first grinding cavity is formed between the grinding assembly (1) and the centrifugal barrel (8), and a second grinding cavity is formed between the grinding assembly (1) and the screen assembly (2).
3. A screen separation apparatus for a mill according to claim 1, characterized in that the first grinding chamber is used for primary grinding, where the grinding assembly (1) and the grinding particles grind the material in the centrifugal tub (8);
the second grinding chamber is used for secondary grinding, and the secondary grinding is used for grinding materials in the grinding assembly (1) by the screen assembly (2) and the grinding particles.
4. The screen separation apparatus of claim 3, wherein the first grinding chamber and the second grinding chamber are in communication, and wherein the first grinding chamber and the second grinding chamber have abrasive particles disposed therein, the abrasive particles being zirconium beads.
5. A screen separation apparatus for a grinding mill according to claim 1, characterized in that the grinding assembly (1) comprises: the grinding block (6) and the grinding disc (7), the grinding disc (7) is a disc body with an annular structure, and a plurality of grinding discs (7) are sequentially stacked to form a cylindrical structure; a grinding inner cavity (5) is formed in the center of the grinding assembly (1) of the columnar structure, and a screen assembly (2) is installed in the grinding inner cavity (5);
the grinding blocks (6) are arranged on the circumferential outer wall of each grinding disc (7) at intervals, and the grinding blocks (6) are uniformly distributed on the circumferential outer wall of each grinding disc (7); a plurality of second flow guide holes (20) are uniformly distributed on the circumferential outer wall of the grinding disc (7),
the second diversion hole (20) is used for communicating the inner cavity of the centrifugal barrel (8) with the grinding inner cavity (5) of the grinding assembly (1);
a pressing ring (19) is arranged on one side, close to the discharging end, of the grinding assembly (1), and a plurality of assembling holes penetrate through the pressing ring (19); a plurality of through holes are uniformly distributed on each grinding disc (7), and each through hole is used for being matched with the assembly hole and connecting the plurality of grinding discs (7) and the pressing ring (19) into a whole through screws (18) to form a grinding assembly (1);
the grinding disc (7) on one side, away from the pressing ring (19), of the grinding assembly (1) is provided with a screw hole, and the screw hole is used for being matched with the screw (18) mutually.
6. A screen separation apparatus for a grinding mill according to claim 1, wherein a sealing plate is provided on the side of the grinding unit (1) adjacent the feed end, the sealing plate being connected to the grinding spindle (9) on the side remote from the grinding spindle unit, the grinding spindle (9) being adapted to be connected to a drive mechanism;
the shrouding is close to the one side of grinding unit (1) and is used for connecting screen assembly (2), the other end of screen assembly (2) pass through mounting panel (16) detachable connect in the one end of grinding unit (1) keeping away from grinding main shaft (9).
7. A screen separation apparatus for a grinding mill according to claim 6, characterised in that the screen assembly (2) comprises: the grinding device comprises a shell (3) and a conical shell (12), wherein a connecting plate (10) is arranged at one end of the shell (3), sieve holes (47) are uniformly distributed on the circumferential outer wall of one end, close to the connecting plate (10), of the shell (3), and the sieve holes (47) are used for communicating a second cavity (46) in the shell (3) with a grinding inner cavity (5) of a grinding assembly (1);
a conical shell (12) is further sleeved in the shell (3), a first cavity (4) with a conical structure is formed in the conical shell (12), the large-diameter end of the conical shell (12) is connected with the connecting plate (10), and the small-diameter end of the conical shell (12) is communicated with a discharge hole formed in the discharge shaft (17);
a plurality of first drainage holes (11) are uniformly distributed on the circumferential outer wall of one end, close to the connecting plate (10), of the conical shell (12), and the first drainage holes (11) are of strip-shaped structures;
the circumference outer wall of play material axle (17) is provided with mounting panel (16), mounting panel (16) are used for with play material axle (17) are fixed the discharge end of centrifuge bucket (8).
8. A screen separation apparatus for a grinding mill according to claim 7, characterized in that the discharge end of the centrifuge bowl (8) is provided with a fixing plate (14), the fixing plate (14) being provided with a mosaic groove on the side adjacent to the screen assembly (2),
a first flange (13) is arranged on one surface, close to the fixing plate (14), of the screen assembly (2), and the first flange (13) is fixedly connected into the embedding groove through bolts (15);
the mounting plate (16) is fixedly connected to one surface, far away from the first flange (13), of the fixing plate (14) through bolts (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110273089.9A CN112958228A (en) | 2021-03-14 | 2021-03-14 | Screen separation device for grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110273089.9A CN112958228A (en) | 2021-03-14 | 2021-03-14 | Screen separation device for grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116727058A (en) * | 2023-05-13 | 2023-09-12 | 广东鸿凯智能科技有限公司 | Grinder capable of screening grinding media and materials |
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