CN210252504U - Dustproof grinding roller device of vibration pearl formula maze - Google Patents
Dustproof grinding roller device of vibration pearl formula maze Download PDFInfo
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- CN210252504U CN210252504U CN201920812410.4U CN201920812410U CN210252504U CN 210252504 U CN210252504 U CN 210252504U CN 201920812410 U CN201920812410 U CN 201920812410U CN 210252504 U CN210252504 U CN 210252504U
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 35
- 230000003068 static effect Effects 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000005553 drilling Methods 0.000 claims description 18
- 238000003801 milling Methods 0.000 claims description 18
- 238000001556 precipitation Methods 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 36
- 239000003921 oil Substances 0.000 description 12
- 210000004907 gland Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 210000002268 wool Anatomy 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
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- 241000227287 Elliottia pyroliflora Species 0.000 description 2
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- 239000010705 motor oil Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
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- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a dustproof grinding roller device of vibration pearl formula maze, axle, supporting component, dustproof subassembly and drive assembly cup joint in proper order epaxial from the top down, dustproof subassembly, including quiet ring of maze, maze rotating ring, change, the change is fixed at drive assembly's bearing housing up end, change inner circle middle part is equipped with the circle against the current, change inner circle upper portion is equipped with the step, install the holding ring on the step, the maze rotating ring is installed on getting rid of the ring, the quiet ring of maze is established and is mutually supported above the maze rotating ring with the maze rotating ring, form multilayer maze clearance between the fitting surface, set up the vibration pearl in the maze clearance, be equipped with between terminal surface and the rotating ring up end under the maze rotating ring and get rid of the powder groove, the terminal surface still is equipped with the small opening under the maze rotating ring, the one end and the maze clearance intercommunication of small opening, the other end of small. The device is good in dustproof effect, the maintenance and maintenance cost of the grinding roller device of the Raymond mill and the vertical mill in operation is reduced, and the production efficiency of enterprises is improved.
Description
Technical Field
The utility model relates to a dustproof sealing technical field on the output shaft oil level during mechanical equipment makes specifically is a vibration pearl formula labyrinth grinding roller device in lei meng mill, the vertical mill.
Background
The Raymond mill and the vertical mill are widely applied to milling equipment and are widely applied to high-fineness milling processing of 280 kinds of materials in industries such as mineral products, chemical industry, buildings and the like. However, the bearings are easy to be stuck by feeding powder in the output shafts of the speed changing box, the blower, the analyzer, the motor, the central shaft, the packer and the like in the Raymond mill and the vertical mill. Especially, shaft seal in the grinding roller device of the Raymond mill and the vertical mill is easy to feed powder and clamp, so that the grinding roller in the grinding roller device drags to slide and is not timely found to cause the scrapping of the grinding roller device assembly. At present, the grinding roller device of the Raymond mill has two types of transmissions: copper sheathing and bearing. The bearing grinding roller device is characterized in that bearings are arranged at two ends of a grinding roller sleeve which plays a supporting role, a thrust roller bearing is arranged at the upper end of the grinding roller sleeve, a self-aligning roller bearing is arranged at the lower end of the grinding roller sleeve, a single gland is arranged at the lower end of the grinding roller sleeve, a shaft sleeve is arranged in the single gland, and a framework oil seal, a wool felt and a floating oil seal are arranged on the shaft sleeve and are finally pressed. In the severe complex environment of working condition, the framework oil seal and the wool felt are eccentric worn quickly, the floating oil seal rubber loses the compression elasticity and the compensation function, lubricating grease is leaked quickly, the wool felt and the floating oil seal are damaged in a dry grinding mode, and dust enters the dead bearing. The copper sheathing grinding roller device is with supporting cover fixed axle, and the axle does not rotate, and one or two transmission copper sheathing are held to the axle lower part, and the steel bushing is fixed to the copper sheathing outer lane, and the grinding roller is fixed to the steel sheathing outer lane, and grinding roller and grinding ring friction under revolving force and centrifugal force effect, the copper sheathing rotates, and skeleton oil blanket, expander are installed in the upper end of copper sheathing, machine oil level top. The vertical grinding roller device is fixed on a bearing outer ring bearing sleeve by a supporting sleeve, a shaft does not rotate, two bearings are installed at the tail of the shaft, and the vertical grinding roller is fixed on the bearing outer ring bearing sleeve. Although the Raymond mill transmission copper sleeve and the vertical mill bearing are both soaked in engine oil to avoid the problem of oil leakage, the framework oil seal and the expansion ring above the engine oil level are in a dry friction state, and the framework oil seal and the expansion ring are easily abraded. At present, dust is easy to enter a grinding roller device of a Raymond mill and a vertical mill, and the service life of the grinding roller device is not expected, so that the performance of a shaft dustproof sealing device of the grinding roller device of the Raymond mill and the vertical mill is an important index for evaluating the quality of products manufactured by the Raymond mill and the vertical mill, and is also an important factor for determining the safety and economic production of a milling enterprise.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the dustproof not enough that the dustproof effect is poor such as frame oil blanket, wool felt, floating oil seal, simple maze of adopting of current lei meng mill, upright mill grinding roller device rotation axis, and provide a dustproof grinding roller device of vibration pearl formula maze, the device is dustproof effectual, reduce lei meng mill, upright mill grinding roller device maintenance, maintenance cost in service, improvement enterprise production efficiency.
Realize the utility model discloses the technical scheme of purpose is:
a vibration ball type labyrinth dust-proof grinding roller device comprises a shaft, a supporting component, a dust-proof component and a transmission component, wherein the supporting component, the dust-proof component and the transmission component are sequentially sleeved on the shaft from top to bottom,
the transmission assembly comprises a grinding roller, a bearing sleeve, a first roller bearing, a second roller bearing and a lower pressing cover, wherein the bearing sleeve is sleeved on a shaft through the first roller bearing and the second roller bearing;
the dustproof assembly comprises a labyrinth static ring, a labyrinth moving ring and a rotating ring, wherein the rotating ring is fixed on the upper end surface of a bearing sleeve of the transmission assembly through screws, a counter-flow ring is arranged in the middle of an inner ring of the rotating ring, a step is arranged on the upper portion of the inner ring of the rotating ring, a positioning ring is arranged on the step, the labyrinth moving ring is arranged on the rotating ring, the labyrinth static ring is arranged above the labyrinth moving ring and is matched with the labyrinth moving ring, a plurality of layers of labyrinth gaps are formed among the matching surfaces, vibrating beads are arranged in the labyrinth gaps, a powder throwing groove is arranged between the lower end surface of the labyrinth moving ring and the upper end surface of the rotating ring, a leakage hole is further formed in the lower end surface of the labyrinth moving;
the supporting component comprises a supporting sleeve and a cross arm shaft, the supporting sleeve is sleeved on the shaft, the cross arm shaft is fixed on the supporting sleeve, and a spindle head positive and negative nut is arranged at the top of the supporting sleeve.
The powder throwing groove is provided with a vibration bead, and is a concave groove arranged on the lower end surface of the labyrinth moving ring upwards or a concave groove arranged on the upper end surface of the rotating ring downwards.
The labyrinth static ring is provided with a bead adding hole on the upper end surface, and the bead adding hole is communicated with the labyrinth gap.
The labyrinth movable ring and the labyrinth static ring are mutually matched, and the gear ring of the outer ring is arranged into a U-shaped overflow groove, so that dust can be effectively prevented or reduced from entering a labyrinth gap.
Labyrinth rotating ring, lower terminal surface and swivel up end are equipped with gets rid of the powder recess or get rid of the powder clearance, get rid of the powder recess, get rid of the powder clearance and get rid of powder groove intercommunication, be convenient for get rid of powder inslot dust and follow the swivel rotation in-process, under the effect of centrifugal force, will get rid of the powder inslot dust from getting rid of the powder recess or getting rid of the powder clearance and throw away the outside.
The labyrinth moves the excircle side of the lower extreme of the ring or the excircle side of the swivel and is equipped with the pearl hole or gas pocket, add pearl hole or gas pocket and get rid of the powder groove intercommunication for add the vibration pearl from adding the pearl hole and get rid of the powder inslot, also be convenient for get rid of the powder inslot dust and follow the swivel and rotate the in-process, under the effect of centrifugal force, will get rid of the dust in the powder inslot and throw away the outside.
The rotating ring is a throwing ring or a depositing ring.
The vibrating beads are made of ceramic, silicon carbide or glass materials, have the characteristics of wear resistance, temperature resistance, self lubrication, small friction force and light weight, and the diameter of the vibrating beads is larger than that of the leakage holes.
The bearing sleeve is formed by processing round steel through a lathe, a washing machine and a drilling machine, the outer circular surface is a conical bearing sleeve with a small upper part and a large lower part, the upper end and the lower end of the inner circular surface are provided with mounting positions of a first roller bearing and a second roller bearing or a copper sleeve, and the outer circular surface of the bearing sleeve is also provided with an anti-rotation key to prevent a grinding roller from slipping with the bearing sleeve in the production process; the upper end face of the bearing sleeve is provided with a plurality of equal tooth holes correspondingly connected with the through holes of the rotating ring, the lower end face of the bearing sleeve is provided with a plurality of equal tooth holes corresponding to the lower pressure cover connecting and locking through holes, and the upper end of the conical excircle of the bearing sleeve is provided with outer teeth matched with inner teeth of a grinding roller reverse nut.
The grinding roller is formed by casting manganese alloy steel and finish machining by a vertical lathe, and the inner circle of the grinding roller is a conical surface with a large upper part and a small lower part which is matched with the outer circular surface of the conical bearing sleeve with a large upper part and a small lower part.
The shaft is formed by round steel through a numerical control lathe, a milling machine, a drilling machine and heat treatment, two stepped bearing inner ring installation positions are arranged at the lower part of the shaft and used for installing a first roller bearing and a second roller bearing, and a step at the tail part of the shaft is provided with a positive and negative locknut outer tooth; the middle part of the shaft is provided with a static ring positive and negative tooth position; the upper part of the shaft is provided with a conical support sleeve mounting position with a small upper part and a large lower part, and the top of the shaft is provided with a support sleeve positive and negative nut locking outer teeth.
The labyrinth static ring is formed by processing metals such as round steel and the like through a numerical control lathe, a milling machine and a drilling machine, the upper end of the inner circle of the labyrinth static ring is provided with a positive internal tooth, the upper end surface is provided with a beading hole for adding a vibrating bead to a labyrinth gap, and the beading hole is blocked by a screw plug to prevent dust from entering the labyrinth gap; the lower end face of the labyrinth static ring is provided with a plurality of annular sealing teeth with certain intervals and certain height, and grooves matched with the annular sealing teeth of the labyrinth moving ring are arranged in front and at the back of the root part of each annular sealing tooth; the upper end of the excircle of the labyrinth stationary ring is provided with a plurality of axial semicircular notches which are uniformly distributed and used for stressing and locking.
The labyrinth movable ring is formed by grinding and processing metals such as round steel through a lathe, a milling machine, a drilling machine, a surface grinding machine and a plane, a plurality of annular sealing teeth with certain intervals and certain heights are arranged at the upper end of the labyrinth movable ring, steps are arranged between the roots of the annular sealing teeth, the upper end surface of each step is high in inside and low in outside, and the lower end surface of each step is a groove; two O-shaped sealing rings are arranged on the outer side of the lower end face of the labyrinth movable ring matched with the rotating ring and used for static sealing and dust prevention.
The settling ring is formed by processing round steel through a lathe, a milling machine, a drilling machine and the like, the upper part of the inner circular surface of the settling ring is provided with a positioning ring mounting position, the lower part of the inner circular surface is provided with a counter-current ring mounting position, the lower end surface of the inner circle is provided with uniformly distributed locking through holes connected with the labyrinth movable ring, and a screw penetrates through the labyrinth movable ring to be fixedly connected with the labyrinth movable ring; the lower part of the excircle of the precipitation ring is provided with a transverse boss, the end face of the transverse boss is provided with through holes which are uniformly distributed and connected and locked with the bearing sleeve through screws, the upper end face of the precipitation ring is provided with a powder throwing groove which is concave downwards, and the upper end face of the precipitation ring outside the powder throwing groove is attached to an O-shaped sealing ring outside the lower end face of the labyrinth movable ring; two air holes are formed in the upper portion of the outer circle of the settling ring and communicated with the powder throwing groove, and when the powder throwing device is maintained and repaired, air is blown in from one air hole, and dust is discharged from the other air hole.
The centrifugal ring is formed by processing round steel through a lathe, a milling machine, a drilling machine and the like, the upper part of the inner circular surface of the centrifugal ring is provided with a positioning ring mounting position, the lower part of the inner circular surface is provided with a counter-current ring mounting position, the lower end surface of the inner circle is provided with uniformly distributed locking through holes connected with the labyrinth movable ring, and a screw penetrates through the labyrinth movable ring and is fixedly connected with the labyrinth movable ring; get rid of the ring lower part and be equipped with horizontal boss, horizontal boss terminal surface is equipped with evenly distributed and the bearing housing through the through-hole of screw connection locking, gets rid of the ring and mills the powder recess that gets rid of that has many evenly distributed with the terminal surface that terminal surface outer lane closed under the labyrinth rotating ring, or gets rid of the ring and be equipped with the powder clearance of getting rid of under the labyrinth rotating ring outer lane, gets rid of the outer disc of ring and is equipped with little boss for surround terminal surface under the labyrinth rotating ring outer lane, play the overflow and get rid of the effect of powder.
Has the advantages that: the utility model provides a pair of vibration pearl formula maze grinding roller device that prevents dust, the mutual fitting surface of maze stationary ring and maze rotating ring in the device, form multilayer maze clearance between the fitting surface, set up the vibration pearl in the maze clearance, form the zigzag tortuous path of multifolding, the vibration pearl diameter in the route of rising is less, be favorable to having better throttle, decompression, the effect of blockking to the dust air current in the route of rising, under the continuous vibration of vibration pearl and the effect of self weight to the dust in the route of rising simultaneously, impel the dust to precipitate downwards, the dust gets into through the small opening and gets into in the powder groove of getting rid of; the diameter of the vibrating beads in the descending path is larger than the width of the leakage hole, so that dust is pressed into the leakage hole and falls down to be precipitated; in the device, a self-sealing and U-shaped overflow groove structure formed by the vibration beads, the labyrinth movable ring and the labyrinth static ring is beneficial to the overflow of dust in the outer layer gap; the self-sealing and U-shaped overflow groove structure reduces the influence of negative-pressure dust airflow rotating from bottom to top generated by the matching of the outer-layer blower and the analyzer on the inner-layer dustproof path; the design of powder throwing in the groove and powder throwing in the gap of the U-shaped overflow groove is beneficial to powder throwing under the working condition of negative pressure dust airflow; the vibrating bead type dustproof sealing device is non-contact sealing, a gap is reserved between the labyrinth static ring and the labyrinth moving ring sealing ring teeth, direct contact and friction are not generated, and the vibrating beads and dust are in contact friction with the labyrinth static ring and the labyrinth moving ring sealing ring teeth but are slightly abraded, so that the vibrating bead type labyrinth dustproof sealing device is more wear-resistant; the sealing path of the vibrating bead type labyrinth dust-proof device is axially elongated, dust which is self-sealed and has a U-shaped overflow groove structure does not have airflow assistance and needs to pass through a falling layer and an ascending layer with vibrating beads for many times, and the dust falls into a precipitation ring or a throwing ring under the action of self weight and centrifugal force; the dustproof sealing device has no grease leakage on the transmission bearing (copper sleeve), thereby ensuring that medical and edible powder is not polluted by grease and ensuring the quality safety. The vibration ball type labyrinth dust-proof sealing device makes dust of grinding roller devices of Raymond mills and vertical mills difficult to enter a transmission bearing (copper bush), so that the service life of the transmission bearing (copper bush) is greatly prolonged, the operation, maintenance and repair costs of enterprises are reduced, and meanwhile, the effect of obviously increasing the yield is achieved.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of portion C of FIG. 1;
FIG. 5 is a schematic structural view of example 2;
FIG. 6 is an enlarged view of portion D of FIG. 5;
FIG. 7 is a top view of section D of FIG. 5;
FIG. 8 is a schematic structural view of example 3;
FIG. 9 is an enlarged view of section E of FIG. 8;
in the figure, 1, a lower press cover 2, a shaft tail positive and negative nut 3, a second roller bearing 4, a grinding roller 5, a bearing sleeve 6, a press sleeve 7, a first roller bearing 8, a grinding roller negative nut 9, a press ring 10, a reverse flow ring 11, a rotating ring 12, a positioning ring 13, a labyrinth moving ring 14, a labyrinth static ring 15, a labyrinth gap 16, a bead adding hole 17, a static ring negative nut 18, a shaft 19, a support sleeve 20, a cross arm shaft 21, a shaft head positive and negative nut 22, a powder throwing groove 23, a leakage hole 24, a powder throwing groove 25, a vibration bead 26, a U-shaped overflow groove 27, a powder throwing gap 28, a bead adding hole/air hole 29 and a boss are arranged.
Detailed Description
The invention will be further elucidated with reference to the drawings and examples, without however being limited thereto.
Example 1:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a vibrating bead type labyrinth dust-proof grinding roller device comprises a shaft 18, a supporting component, a dust-proof component and a transmission component, wherein the supporting component, the dust-proof component and the transmission component are sequentially sleeved on the shaft from top to bottom,
the transmission assembly comprises a grinding roller 4, a bearing sleeve 5, a first roller bearing 7, a second roller bearing 3 and a lower gland 1, wherein the bearing sleeve 5 is sleeved on a shaft 18 through the first roller bearing 7 and the second roller bearing 3, a pressing sleeve 6 is arranged between the first roller bearing 7 and the second roller bearing 3 and sleeved on the shaft 18, the upper end surface of the pressing sleeve 6 props against the lower end surface of an inner ring of the first roller bearing 7, the lower end surface of the pressing sleeve 6 props against the upper end surface of an inner ring of the second roller bearing 3, a shaft tail positive and negative nut 2 is arranged on the lower end surface of the second roller bearing 3, the shaft tail positive and negative nut 2 tightly presses the lower end surface of the inner ring of the second roller bearing 3, the lower gland 1 is arranged below the shaft tail positive and negative nut 2, the lower gland 1 is fixed on the bearing sleeve 5 through screws, and the grinding roller 4 is sleeved on an outer ring of the bearing;
the dustproof assembly comprises a static labyrinth ring 14, a dynamic labyrinth ring 13 and a rotating ring 11, wherein the rotating ring 11 is fixed on the upper end surface of a bearing sleeve 5 of a transmission assembly through screws, a reverse flow ring 10 is arranged in the middle of the inner ring of the rotating ring 11, a pressing ring 9 is arranged below the reverse flow ring 10, a step is arranged on the upper portion of the inner ring of the rotating ring 11, a positioning ring 12 is arranged on the step, the dynamic labyrinth ring 13 is arranged on the rotating ring 11 through screws, the static labyrinth ring 14 is arranged above the dynamic labyrinth ring 13 and is matched with the dynamic labyrinth ring 13, a plurality of layers of labyrinth gaps 15 are formed among the matching surfaces, a vibrating bead 25 is arranged in the labyrinth gap 15 to form a multi-fold zigzag curved path, a powder throwing groove 24 is arranged between the lower end surface of the dynamic labyrinth ring 13 and the upper end surface of the rotating ring 11, a leakage hole 23 is also arranged on the lower end surface of the dynamic labyrinth ring 13;
the supporting assembly comprises a supporting sleeve 19 and a cross arm shaft 20, the supporting sleeve 19 is sleeved on the shaft 18, the cross arm shaft 20 is fixed on the supporting sleeve 19, and a shaft head positive and negative nut 21 is arranged at the top of the supporting sleeve 19.
The powder throwing groove 24 is internally provided with a vibrating bead 25, and the powder throwing groove 24 is a concave groove arranged on the lower end surface of the labyrinth movable ring 13.
The labyrinth stationary ring 14 is provided with a bead adding hole 16 on the upper end surface, and the bead adding hole 16 is communicated with the labyrinth gap 15.
The labyrinth movable ring 13 and the labyrinth static ring 14 are matched with each other, and a gear ring of an outer ring is arranged to form a U-shaped overflow groove 26, so that dust can be effectively prevented or reduced from entering the labyrinth gap 15.
The labyrinth moves the side of the lower extreme excircle of ring 13 and is equipped with pearl hole 28, add pearl hole 28 and get rid of the powder groove 24 intercommunication for in adding the powder groove 24 with vibration pearl 25 from adding pearl hole 28, also be convenient for get rid of the interior dust of powder groove 24 and follow swivel 11 rotation in-process, under the effect of centrifugal force, will get rid of the dust in the powder groove 24 and throw away the outside.
The vibration beads 25 are made of ceramic, silicon carbide or glass materials, have the characteristics of wear resistance, temperature resistance, self lubrication, small friction force and light weight, and the diameter of the vibration beads 25 is larger than that of the leak holes 23.
The bearing sleeve 5 is formed by processing round steel through a lathe, a washing machine and a drilling machine, the outer circular surface is a conical bearing sleeve 5 with a small upper part and a large lower part, the upper end and the lower end of the inner circular surface are provided with mounting positions of a first roller bearing 7 and a second roller bearing 3, and the outer circular surface of the bearing sleeve 5 is also provided with an anti-rotation key to prevent a grinding roller 4 from slipping with the bearing sleeve 5 in the production process; the upper end surface of the bearing sleeve 5 is provided with a plurality of equal tooth holes correspondingly connected with the through hole of the rotating ring 11, the lower end surface of the bearing sleeve 11 is provided with a plurality of equal tooth holes corresponding to the locking through hole connected with the lower gland 1, and the upper end of the conical excircle of the bearing sleeve 5 is provided with outer teeth matched with the inner teeth of the grinding roller reverse nut 8.
The grinding roller 4 is formed by casting manganese alloy steel and finish machining by a vertical lathe, and the inner circle of the grinding roller 4 is a conical surface with a large upper part and a small lower part which is matched with the outer circular surface of the conical bearing sleeve 5 with a small upper part and a large lower part.
The shaft 18 is formed by round steel through a numerical control lathe, a milling machine, a drilling machine and heat treatment, two stepped bearing inner ring installation positions are arranged at the lower part of the shaft 18 and used for installing the first roller bearing 7 and the second roller bearing 3, and positive and negative locknut outer teeth are arranged on a step at the tail part of the shaft; the middle part of the shaft 18 is provided with a labyrinth static ring 14 with a positive tooth position and a negative tooth position; the upper part of the shaft is provided with a conical support sleeve mounting position with a small upper part and a large lower part, and the top of the shaft is provided with a support sleeve positive and negative nut locking outer teeth.
The labyrinth static ring 14 is formed by processing metals such as round steel through a numerical control lathe, a milling machine and a drilling machine, a static ring reverse nut 17 is locked on a shaft 18, the upper end of the inner circle of the labyrinth static ring 14 is provided with a positive internal thread, the upper end surface is provided with a bead adding hole 16 for adding a vibrating bead 25 to a labyrinth gap 15, and the bead adding hole 16 is blocked by a screw plug to prevent dust from entering the labyrinth gap 15; a plurality of annular sealing teeth with certain intervals and certain height are arranged on the lower end surface of the labyrinth static ring 14, and grooves matched with the annular sealing teeth of the labyrinth movable ring 13 are arranged in front of and behind the root parts of the annular sealing teeth; the upper end of the outer circle of the labyrinth static ring 14 is provided with a plurality of axial semicircular notches which are uniformly distributed and used for stressing and locking.
The labyrinth movable ring 13 is formed by grinding and processing metals such as round steel through a lathe, a milling machine, a drilling machine, a surface grinding machine and a plane, a plurality of annular sealing teeth with certain intervals and certain height are arranged at the upper end of the labyrinth movable ring 13, steps are arranged between the roots of the annular sealing teeth, the upper end surface of each step is high in inside and low in outside, and the lower end surface of each step is a groove; two O-shaped sealing rings are arranged on the outer side of the lower end face of the labyrinth movable ring 13 matched with the rotating ring 11 and used for static sealing and dust prevention.
The rotating ring 11 is a swinging ring, the swinging ring is formed by processing round steel through a lathe, a milling machine, a drilling machine and the like, the upper part of the inner circular surface of the swinging ring is provided with a positioning ring mounting position, the lower part of the inner circular surface is provided with a reverse flow ring 10 mounting position, the lower end surface of the inner circle is provided with uniformly distributed locking through holes connected with a labyrinth movable ring 13, and screws penetrate through the through holes and are fixedly connected with the labyrinth movable ring 13; the lower part of the throwing ring is provided with a transverse boss, the end face of the transverse boss is provided with through holes which are uniformly distributed and are connected and locked with the bearing sleeve through screws, the end face of the throwing ring, which is attached to the outer ring of the lower end face of the labyrinth moving ring 13, is milled with a plurality of powder throwing grooves 22 which are uniformly distributed, and the outer circular face of the throwing ring is provided with a small boss 29 which is used for surrounding the lower end face of the outer ring of the labyrinth moving ring 13 and plays a role in overflowing.
Example 2:
as shown in figures 5, 6 and 7,
The rest is the same as in example 1.
Example 3:
as shown in figures 8 and 9 of the drawings,
the powder throwing groove 24 is a concave groove arranged on the upper end surface of the rotating ring 11 and faces downwards, and a vibrating bead 25 is not arranged in the powder throwing groove 24.
The side surface of the excircle of the rotating ring 11 is provided with an air hole 28, and the air hole 28 is communicated with the powder throwing groove 24, so that when the rotating ring is stopped for maintenance, air is used for blowing out dust settled in the powder throwing groove 24.
The rotating ring 11 is a precipitation ring, the precipitation ring is formed by processing round steel through a lathe, a milling machine, a drilling machine and the like, the upper part of the inner circular surface of the precipitation ring is provided with a positioning ring 13 mounting position, the lower part of the inner circular surface is provided with a counter-flow ring 10 mounting position, the lower end surface of the inner circle is provided with evenly distributed locking through holes connected with a labyrinth moving ring 13, and screws penetrate through the labyrinth moving ring 13 and are fixedly connected with the labyrinth moving ring; the lower part of the excircle of the precipitation ring is provided with a transverse boss, the end face of the transverse boss is provided with through holes which are uniformly distributed and connected and locked with the bearing sleeve 5 through screws, the upper end face of the precipitation ring is provided with a powder throwing groove 24 which is concave downwards, and the upper end face of the precipitation ring outside the powder throwing groove 24 is attached to an O-shaped sealing ring outside the lower end face of the labyrinth movable ring 13; two air holes 29 are arranged at the upper part of the excircle of the precipitation ring, the air holes 29 are communicated with the powder throwing groove 24, and when in maintenance, air 29 is blown in from one air hole, and dust is discharged from the other air hole 29; or the dust in the dust throwing groove 24 is discharged from the air hole 29 under the centrifugal action during the rotation of the precipitation ring.
The rest is the same as in example 1.
Claims (9)
1. A vibrating ball type labyrinth dust-proof grinding roller device comprises a shaft, a supporting component, a dust-proof component and a transmission component, wherein the supporting component, the dust-proof component and the transmission component are sequentially sleeved on the shaft from top to bottom,
the transmission assembly comprises a grinding roller, a bearing sleeve, a first roller bearing, a second roller bearing and a lower pressing cover, wherein the bearing sleeve is sleeved on a shaft through the first roller bearing and the second roller bearing;
the dustproof assembly comprises a labyrinth static ring, a labyrinth moving ring and a rotating ring, wherein the rotating ring is fixed on the upper end surface of a bearing sleeve of the transmission assembly, a reverse flow ring is arranged in the middle of an inner ring of the rotating ring, a step is arranged on the upper portion of the inner ring of the rotating ring, a positioning ring is arranged on the step, the labyrinth moving ring is arranged on the swinging ring, the labyrinth static ring is arranged above the labyrinth moving ring and is matched with the labyrinth moving ring, a plurality of layers of labyrinth gaps are formed among the matching surfaces, vibrating beads are arranged in the labyrinth gaps, a powder swinging groove is arranged between the lower end surface of the labyrinth moving ring and the upper end surface of the rotating ring, a leakage hole is further formed in the lower end surface of the labyrinth moving ring;
the supporting component comprises a supporting sleeve and a cross arm shaft, the supporting sleeve is sleeved on the shaft, the cross arm shaft is fixed on the supporting sleeve, and a spindle head positive and negative nut is arranged at the top of the supporting sleeve.
2. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein the powder throwing groove is provided with a vibrating bead therein, and the powder throwing groove is a concave groove arranged on the lower end surface of the labyrinth moving ring to face upwards or a concave groove arranged on the upper end surface of the rotating ring to face downwards.
3. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein the labyrinth stationary ring is provided with a bead adding hole on the upper end surface, and the bead adding hole is communicated with the labyrinth gap.
4. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein the labyrinth moving ring and the labyrinth static ring are mutually matched, and a gear ring of an outer ring is arranged to form a U-shaped overflow groove;
the labyrinth rotating ring is provided with a powder throwing groove or a powder throwing gap at the lower end face and the upper end face of the rotating ring, and the powder throwing groove and the powder throwing gap are communicated with the powder throwing groove.
5. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein bead adding holes or air holes are formed in the outer circumferential side surface of the lower end of the labyrinth movable ring or the outer circumferential side surface of the rotating ring, and the bead adding holes or the air holes are communicated with the powder throwing groove.
6. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein the vibrating beads are made of a material such as ceramic, silicon carbide or glass, and the diameter of the vibrating beads is larger than that of the drain holes.
7. The vibrating ball type labyrinth dust-proof grinding roller device as claimed in claim 1, wherein the bearing sleeve is formed by round steel through a lathe, a washing machine and a drilling machine, the outer circular surface is a conical bearing sleeve with a small upper part and a large lower part, the upper end and the lower end of the inner circular surface are provided with mounting positions of a first roller bearing and a second roller bearing or a copper sleeve, and the outer circular surface of the bearing sleeve is also provided with an anti-rotation key for preventing the grinding roller from slipping with the bearing sleeve in the production process; the upper end surface of the bearing sleeve is provided with a plurality of equal tooth holes correspondingly connected with the through holes of the rotating ring, the lower end surface of the bearing sleeve is provided with a plurality of equal tooth holes corresponding to the connecting and locking through holes of the lower pressing cover, and the upper end of the conical excircle of the bearing sleeve is provided with outer teeth matched with inner teeth of a grinding roller reverse nut;
the grinding roller is cast by manganese alloy steel and formed by finish machining by a vertical lathe, and the inner circle of the grinding roller is a conical surface with a large upper part and a small lower part which is matched with the outer circular surface of the conical bearing sleeve with a small upper part and a large lower part;
the shaft is formed by round steel through a numerical control lathe, a milling machine, a drilling machine and heat treatment, two stepped bearing inner ring installation positions are arranged at the lower part of the shaft and used for installing a first roller bearing and a second roller bearing, and a step at the tail part of the shaft is provided with a positive and negative locknut outer tooth; the middle part of the shaft is provided with a static ring positive and negative tooth position; the upper part of the shaft is provided with a conical support sleeve mounting position with a small upper part and a large lower part, and the top of the shaft is provided with a support sleeve positive and negative nut locking outer teeth.
8. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein the labyrinth stationary ring is formed by processing metal such as round steel through a numerical control lathe, a milling machine and a drilling machine, the upper end of the inner circle of the labyrinth stationary ring is provided with a positive inner tooth, the upper end surface is provided with a bead adding hole for adding a vibrating bead to a labyrinth gap, and the bead adding hole is blocked by a screw plug; the lower end face of the labyrinth static ring is provided with a plurality of annular sealing teeth with certain intervals and certain height, and grooves matched with the annular sealing teeth of the labyrinth moving ring are arranged in front and at the back of the root part of each annular sealing tooth; the upper end of the excircle of the labyrinth static ring is provided with a plurality of uniformly distributed axial semicircular notches;
the labyrinth movable ring is formed by grinding and processing metals such as round steel through a lathe, a milling machine, a drilling machine, a surface grinding machine and a plane, a plurality of annular sealing teeth with certain intervals and certain heights are arranged at the upper end of the labyrinth movable ring, steps are arranged between the roots of the annular sealing teeth, the upper end surface of each step is high in inside and low in outside, and the lower end surface of each step is a groove; two O-shaped sealing rings are arranged on the outer side of the lower end surface of the labyrinth movable ring matched with the rotating ring.
9. The vibrating bead type labyrinth dustproof grinding roller device as claimed in claim 1, wherein the rotating ring is a throwing ring or a settling ring;
the settling ring is formed by processing round steel through a lathe, a milling machine and a drilling machine, the upper part of the inner circular surface of the settling ring is provided with a positioning ring mounting position, the lower part of the inner circular surface is provided with a counter-current ring mounting position, the lower end surface of the inner circle is provided with uniformly distributed locking through holes connected with the labyrinth movable ring, and a screw penetrates through the labyrinth movable ring and is fixedly connected with the labyrinth movable ring; the lower part of the excircle of the precipitation ring is provided with a transverse boss, the end face of the transverse boss is provided with through holes which are uniformly distributed and connected and locked with the bearing sleeve through screws, the upper end face of the precipitation ring is provided with a powder throwing groove which is concave downwards, and the upper end face of the precipitation ring outside the powder throwing groove is attached to an O-shaped sealing ring outside the lower end face of the labyrinth movable ring; the upper part of the excircle of the precipitation ring is provided with two air holes which are communicated with the powder throwing groove;
the centrifugal ring is formed by processing round steel through a lathe, a milling machine and a drilling machine, the upper part of the inner circular surface of the centrifugal ring is provided with a positioning ring mounting position, the lower part of the inner circular surface is provided with a reverse flow ring mounting position, the lower end surface of the inner circle is provided with uniformly distributed locking through holes connected with the labyrinth movable ring, and a screw penetrates through the labyrinth movable ring and is fixedly connected with the labyrinth movable ring; get rid of the ring lower part and be equipped with horizontal boss, horizontal boss terminal surface is equipped with evenly distributed and the bearing housing through the through-hole of screw connection locking, gets rid of the ring and mills the powder recess that gets rid of that has many evenly distributed with the terminal surface that the terminal surface outer lane was closed under the labyrinth rotating ring, or gets rid of the ring and is equipped with the powder clearance of getting rid of with the terminal surface under the labyrinth rotating ring outer lane, gets rid of the outer disc of ring and is equipped with the boss for surround terminal surface under the labyrinth rotating ring outer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812410.4U CN210252504U (en) | 2019-05-31 | 2019-05-31 | Dustproof grinding roller device of vibration pearl formula maze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812410.4U CN210252504U (en) | 2019-05-31 | 2019-05-31 | Dustproof grinding roller device of vibration pearl formula maze |
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| Publication Number | Publication Date |
|---|---|
| CN210252504U true CN210252504U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920812410.4U Withdrawn - After Issue CN210252504U (en) | 2019-05-31 | 2019-05-31 | Dustproof grinding roller device of vibration pearl formula maze |
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| Country | Link |
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| CN (1) | CN210252504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075975A (en) * | 2019-05-31 | 2019-08-02 | 桂林端面油封科技有限公司 | A kind of dust-proof Burnisher apparatus in vibration bead labyrinth |
| CN115285540A (en) * | 2022-07-25 | 2022-11-04 | 上海电力大学 | Labyrinth leakage-proof device and rotary blockage removing machine |
-
2019
- 2019-05-31 CN CN201920812410.4U patent/CN210252504U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075975A (en) * | 2019-05-31 | 2019-08-02 | 桂林端面油封科技有限公司 | A kind of dust-proof Burnisher apparatus in vibration bead labyrinth |
| CN110075975B (en) * | 2019-05-31 | 2024-03-29 | 桂林端面油封科技有限公司 | Vibration ball type labyrinth dustproof grinding roller device |
| CN115285540A (en) * | 2022-07-25 | 2022-11-04 | 上海电力大学 | Labyrinth leakage-proof device and rotary blockage removing machine |
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