CN110369050B - Full-sealed roller ball mill - Google Patents
Full-sealed roller ball mill Download PDFInfo
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- CN110369050B CN110369050B CN201910478069.8A CN201910478069A CN110369050B CN 110369050 B CN110369050 B CN 110369050B CN 201910478069 A CN201910478069 A CN 201910478069A CN 110369050 B CN110369050 B CN 110369050B
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- positioning groove
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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
- B02C17/04—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 unperforated container
- B02C17/06—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 unperforated container with several compartments
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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
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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
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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
- B02C17/22—Lining for containers
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to a horizontal ball mill, in particular to a fully-sealed roller ball mill which comprises a frame, wherein a transverse roller is arranged on the frame, an inner lining plate is arranged on the inner wall of the roller and comprises a side plate and an end plate, the side plate consists of a plurality of first ceramic single plates which are assembled together, the cross section of each first ceramic single plate is arc-shaped, inward bulges are integrally formed on the inner wall of each first ceramic single plate, the end surfaces of the bulges are spherical, grooves are integrally formed on the outer wall of each first ceramic single plate, the bottom surfaces of the grooves are spherical, bolts are fixedly bonded in the grooves, screw rods of the bolts extend outwards to the outside of the roller and are provided with fastening nuts, an annular copper gasket is arranged between the outer wall edge of each first ceramic single plate and the roller, a first polyurethane adhesive is arranged between the first ceramic plate on the inner side of the copper gasket and the roller, the structure, The noise can be effectively reduced.
Description
Technical Field
The invention relates to a horizontal ball mill, in particular to a fully-sealed roller ball mill.
Background
The ball mill is the key equipment for crushing the materials after the materials are crushed. It is widely used in cement, silicate products, new building material 52555, refractory material, chemical fertilizer, black and non-ferrous metal ore dressing and glass ceramic production industries, and can be used for dry or wet grinding of various ores and other grindable materials. The ball mill is suitable for grinding various ores and other materials, is widely used in the industries of mineral separation, building materials, chemical industry and the like, and can be divided into a dry type ore grinding mode and a wet type ore grinding mode.
The existing horizontal ball mill mainly comprises a frame, wherein a transverse roller is arranged on the frame, a feed inlet is arranged at the first end of the roller, an inlet pipe is arranged at the feed inlet, the inlet pipe is a round pipe, a support for supporting the inlet pipe is arranged on the frame, a lifting device for lifting the inlet pipe is arranged at the upper end of the support, a toothed ring is arranged on the outer wall of the second end of the roller, a driving motor is arranged on the frame, an output shaft of the driving motor is connected with a driving gear, the driving gear is meshed with the toothed ring, a discharge outlet is arranged at the second end of the roller, sealing covers are arranged at the feed inlet and the discharge outlet, an inner lining plate is arranged on the inner wall of the roller and comprises a side plate and an end plate, a partition plate is arranged at the middle position inside the roller and is a pore plate, a grinding, the material in the roller can be fully ground, but the lining plate and the wearing parts need to be replaced periodically, the lining plate is made of ceramic materials, the installation is inconvenient, and the noise is large in the using process.
To improve the service life, the invention patent application No. 201310034380.6 discloses a combined liner plate for a ball mill, which comprises a curved lifting top part and an adaptive bottom plate, wherein the working surface profile of the lifting top part can be selected according to requirements, the bottom surface of the lifting top part is provided with an inner groove for mounting a bolt, an opening is arranged at the middle position of the inner groove, and the bolt can move to the positions of mounting holes at the two ends of the opening through the opening. The combined lining plate for the ball mill has the advantages of ingenious conception and simple manufacture, the lifting top part has a complete working surface, stress concentration and microcrack are not formed on the surface in the manufacturing process, the impact resistance and abrasion resistance of the lining plate are enhanced, the grinding efficiency of the ball mill can be improved, the service life of the lining plate is prolonged, materials are saved, and the ore grinding cost is reduced; the combination of the lifting top part and the elastic adaptive bottom plate can further improve the shock resistance of the combined lining plate, reduce noise and reduce weight; the adaptation bottom plate can play sealed effect, prevents that the dust from revealing, improves operational environment, but its preparation is troublesome, can not effectual noise reduction.
The invention patent application with the application number of 201510292998.1 discloses a barrel lining plate for a ball mill, which comprises a lining plate body, wherein an arc-shaped wear-resisting plate is placed on the lining plate body, an arc-shaped protruding portion is arranged on the top surface of the arc-shaped wear-resisting plate, a plurality of connecting through holes are formed in the middle of the arc-shaped protruding portion, through holes corresponding to the arc-shaped protruding portion are formed in the lining plate body, elastic sealing blocks are nested at the tops of the connecting through holes, and a plurality of wear-resisting convex points are fixed on two sides of the arc. The novel lining plate has the advantages of simple and reasonable structure, convenience in installation and long service life, and the bolts which are connected can be protected by the elastic sealing blocks, so that the bolts are not damaged, the service life of the novel lining plate is prolonged, the inner wall of the lining plate is machined, the structural strength of the lining plate is greatly reduced, falling materials enter machining materials, the machining materials are polluted, and the whole manufacturing is troublesome.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the fully-sealed roller ball mill which is simple in structure, long in service life, high in working stability and capable of effectively reducing noise.
The invention is realized by the following technical scheme: a fully-sealed roller ball mill comprises a rack, wherein a transverse roller is arranged on the rack, a feed inlet is formed in the first end of the roller, an inlet pipe is arranged at the feed inlet, the inlet pipe is a round pipe, a support used for supporting the inlet pipe is arranged on the rack, a lifting device used for lifting the inlet pipe is arranged at the upper end of the support, a toothed ring is arranged on the outer wall of the second end of the roller, a driving motor is arranged on the rack, an output shaft of the driving motor is connected with a driving gear, the driving gear is meshed with the toothed ring, a discharge outlet is formed in the second end of the roller, sealing covers are arranged at the feed inlet and the discharge outlet, an inner lining plate is arranged on the inner wall of the roller and comprises a side plate and an end plate, a partition plate is arranged at the middle position inside the roller and is a pore plate, an, the curb plate comprises a plurality of first pottery veneers of piecing together, the cross section of first pottery veneer is the arc, first pottery veneer inner wall integrated into one piece has inside arch, bellied terminal surface is the sphere type, first pottery veneer outer wall integrated into one piece is fluted, the bottom surface of recess is the sphere type, the bonding is fixed with the bolt in the recess, the screw rod of bolt outwards extends to the cylinder overcoat and is equipped with fastening nut, be provided with annular copper gasket between first pottery veneer outer wall edge and the cylinder, be provided with first tie coat between the inboard first ceramic plate of copper gasket and the cylinder.
Further, the thickness value of the first ceramic single plate is 16-20mm, the width value of the first ceramic single plate is 350-400mm, the length value of the first ceramic single plate is 550-600mm, four protrusions are arranged on any one first ceramic single plate, the four protrusions are distributed at four corners of a rectangle, four grooves are arranged on any one first ceramic single plate, and the four grooves correspond to the positions of the protrusions.
Furthermore, the height value of the protrusion is 12-15mm, the radius of the spherical surface where the inner end surface of the protrusion is located is 160-200mm, the depth value of the groove is 6-8mm, the inner end surface of the nut of the bolt is arranged to be a spherical surface matched with the groove, and a second bonding layer is arranged between the nut of the bolt and the bottom surface of the groove.
Further, any edge of the first ceramic single plate is in an inverted arc shape.
Furthermore, the end plate is composed of a plurality of second ceramic single plates which are assembled together, and the second ceramic single plates are fan-shaped.
Furthermore, the lifting device comprises a lower supporting ring fixed at the upper end of the bracket, the inner wall of the lower supporting ring is provided with a groove along the working surface, a needle groove is arranged in the groove, a needle roller matched with the feed pipe is arranged in the needle groove, an axial positioning groove parallel to the needle roller groove is also arranged in the groove, the cross section of the axial positioning groove is arc-shaped, lubricating grease is arranged in the groove, an upper pressure ring is arranged at the upper end of the lower supporting ring, the lower supporting ring is connected with the upper supporting ring through a bolt, the upper pressing ring is also internally and correspondingly provided with a needle groove, a needle and an axial positioning groove, the top of the axial positioning groove of the upper pressing ring is provided with an oil filling hole for filling lubricating grease, the feeding pipe is characterized in that a plug is detachably arranged at the position of the oil injection hole, a wear-resisting ring matched with the roller pin is fixedly sleeved outside the feeding pipe, and a positioning ball matched with the axial positioning groove is arranged on the outer wall of the feeding pipe.
Furthermore, a positioning pin is arranged between the lower supporting ring and the upper pressure ring.
Furthermore, the lower supporting ring and the upper pressing ring are both provided with two needle grooves, the feeding pipe is correspondingly provided with two wear-resisting rings, and the axial positioning groove is arranged between the two needle grooves.
Furthermore, 3-5 positioning grooves for positioning the positioning balls are uniformly arranged on the outer wall of the feeding pipe along the same circumference, the bottom surface of each positioning groove is spherical, and a positioning ball is arranged in any one positioning groove.
Further, the end of the needle roller is hemispherical.
The invention has the beneficial effects that: the inner wall of the first ceramic veneer is integrally formed with an inward bulge, the end face of the bulge is spherical, the running track of the grinding ball can be changed by arranging the bulge, and the grinding efficiency is improved. The raised end face is spherical, so that rigid collision can be avoided, the service life of the lining plate is prolonged, the groove is formed, the bolt is convenient to fix, the bolt is convenient to bond and fix, the copper gasket is arranged to have better elasticity and ductility, and the polyurethane adhesive is arranged, so that a buffer layer can be formed between the first ceramic single plate and the roller, the noise is reduced, the connection stability between the first ceramic single plate and the roller can be enhanced, and the service life is prolonged; the thickness value of the first ceramic single plate is 16-20mm, the width value of the first ceramic single plate is 350-400mm, the length value of the first ceramic single plate is 550-600mm, four protrusions are arranged on any one first ceramic single plate and distributed at four corners of a rectangle, four grooves are arranged on any one first ceramic single plate and correspond to the protrusions, the structural strength of the first ceramic single plate can be guaranteed, the first ceramic single plate can be uniformly stressed, and the use stability is guaranteed.
Drawings
FIG. 1 is a schematic view of the structure of example 1;
FIG. 2 is a schematic view of a drum in section;
FIG. 3 is a side panel end view illustration;
FIG. 4 is a schematic diagram of a first ceramic single plate;
FIG. 5 is a schematic diagram of a second perspective structure of a first ceramic single plate;
FIG. 6 is a schematic cross-sectional view of a first ceramic single plate;
FIG. 7 is a schematic front view of a second ceramic single plate;
FIG. 8 is a schematic view of the connection between the feed tube and the support;
FIG. 9 is a schematic view of a lower trunnion ring structure;
FIG. 10 is a schematic view of a configuration of the upper pressure ring;
FIG. 11 is a schematic view of the feed tube configuration;
FIG. 12 is a schematic front view of the needles;
FIG. 13 is an enlarged view of a portion of FIG. 6A;
wherein: 1-frame, 2-roller, 3-bracket, 4-lower supporting ring, 5-upper pressing ring, 6-receiving hopper, 7-feeding pipe, 8-driving motor, 9-driving gear, 10-toothed ring, 11-bolt, 12-first ceramic single plate, 13-protrusion, 14-second ceramic single plate, 15-flange, 16-clapboard, 19-first bonding layer, 20-copper gasket, 21-second bonding layer, 23-roller needle, 24-wear-resistant ring, 25-positioning ball, 26-groove, 27-sealing cover, 28-positioning groove, 29-pin hole, 30-connecting plate, 31-axial positioning groove and 32-oil injection hole.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In each following embodiment, EP-5240 type epoxy glue is selected for use to first tie coat, all has higher adhesive strength to pottery, steel sheet, and solidify the back hardness and can reach more than D80, can prevent that first pottery veneer from rocking, guarantees life, has higher waterproof performance simultaneously, and the second tie coat is all selected for use the AA type of Guangshan county Bozheng resin to decorate omnipotent glue, has higher peel strength, guarantees that bolt and ceramic plate are connected stably.
The first ceramic single plate and the second ceramic single plate are both made of alumina ceramic, the Rockwell hardness can reach more than 85, the wear resistance is high, and the service life is long.
Example 1
As shown in fig. 1-13, a fully sealed ball mill with roller comprises a frame 1, the frame is constructed by welding h-shaped steel, the structural stability is high, the lower end of the frame is fixed with a support leg, a transverse roller 2 is installed on the frame, the roller comprises a cylindrical barrel body welded without seam and end plates welded at two ends of the barrel body in a sealing manner, the barrel body is enclosed by a steel plate with the thickness of 8mm, the end plates are cut by a steel plate with the thickness of 15mm, the structural stability is high, a feed inlet is processed at the first end of the roller, a feed pipe 7 is installed at the feed inlet, the inner end of the feed pipe is fixedly connected with the end surface of the roller in a sealing manner through a flange 15, the outer end of the feed pipe is connected with a spherical receiving hopper 6 in a sealing manner, the feed pipe is a circular pipe, a support 3 for supporting the feed pipe is installed, the inner wall of the lower supporting ring is processed with a groove 26 along the working surface, a needle groove is processed in the groove, a needle roller 23 matched with the feeding pipe is laid in the needle groove, an axial positioning groove 31 parallel to the needle groove is further processed in the groove, the cross section of the axial positioning groove is arc-shaped, lubricating grease is filled in the groove, the upper end of the lower supporting ring is connected with an upper pressing ring 5 through a connecting plate 30 and a bolt, the needle groove, the needle roller and the axial positioning groove are correspondingly arranged in the upper pressing ring, an oil filling hole 32 used for filling the lubricating grease is processed at the top of the axial positioning groove of the upper pressing ring, a plug is detachably screwed at the oil filling hole, a wear-resisting ring 24 matched with the needle roller is fixedly sleeved outside the feeding pipe, two needle grooves are processed on the lower supporting ring and the upper pressing ring respectively for ensuring the working stability, two wear-resisting rings are correspondingly fixed on the feeding pipe, the wear-, the outer wall of the feeding pipe is provided with a positioning ball 25 matched with the axial positioning groove, the outer wall of the feeding pipe is uniformly processed with 4 positioning grooves 28 used for positioning the positioning ball along the same circumference, the bottom surface of each positioning groove is spherical, a positioning ball is arranged in any one of the positioning grooves, the depth value of each positioning groove is 1/3 of the diameter value of the positioning ball, the depth value of each axial positioning groove is 1/3 of the diameter value of the positioning ball, the maximum vertical distance between the bottom surface of each positioning groove and the bottom surface of the axial positioning groove is 1-2mm larger than the diameter value of the positioning ball, the surface of the lower supporting ring opposite to the upper compression ring is processed with a pin hole 29, the lower supporting ring and the upper compression ring are provided with positioning pins through the pin holes, each axial positioning groove and each needle roller groove are opposite, the end parts of the needle rollers are hemispherical, the friction is, can effectually avoid lubricating grease excessive, 4 location balls not only can carry out fine axial positioning with the cooperation of axial positioning groove to the inlet pipe, guarantee job stabilization nature, improve life, at rotatory in-process, 4 location balls revolute, promote lubricating grease and flow, can extrude lubricating grease simultaneously and get into the bearing roller inslot of both sides, guarantee that lubricating grease distributes evenly, improve life.
The outer wall welded fastening of second end of cylinder has ring gear 10, installs driving motor 8 in the frame, and driving motor's output shaft has drive gear 9, and drive gear and ring gear meshing have the discharge gate in the processing of the second end of cylinder, and feed inlet and discharge gate department all install sealed lid 27.
A partition plate 16 is welded and fixed in the middle of the interior of the roller and is a pore plate, materials subjected to ball milling can pass through the partition plate, but grinding balls cannot pass through the partition plate, and are put in the feeding side of the partition plate in the roller and are steel balls.
The inner lining plate is arranged on the inner wall of the roller and comprises a side plate and an end plate, the side plate is composed of a plurality of first ceramic single plates 12 which are assembled together, the cross section of each first ceramic single plate is arc-shaped, inward bulges 13 are integrally formed on the inner wall of each first ceramic single plate, the end faces of the bulges are spherical, grooves are integrally formed on the outer wall of each first ceramic single plate, the bottom surfaces of the grooves are spherical, bolts 11 are fixedly bonded in the grooves through second bonding layers, fastening nuts are sleeved outside the bolts, annular copper gaskets 20 are arranged between the outer wall edges of the first ceramic single plates and the roller, first bonding layers 19 are filled between the first ceramic plates on the inner sides of the copper gaskets and the roller, in the embodiment, the thickness value of each first ceramic single plate is 20mm, the width value of each first ceramic single plate is 400mm, the length value of each first ceramic single plate is 600mm, and four bulges are arranged on any first ceramic single plate, four protruding distributions can change the orbit of abrasive ball in four corners departments of rectangle, improve grinding efficiency, can avoid stress concentration simultaneously, improve life.
The grooves on any first ceramic single plate are four, the four grooves correspond to the protruding positions, the protruding height value is 15mm, the radius of the spherical surface where the protruding inner end face is located is 200mm, the depth value of each groove is 8mm, the inner end face of the nut of each bolt is processed into a spherical surface type matched with the corresponding groove, the single weight of any first ceramic single plate is about 15kg, the bolt is an M12 bolt, the bearing of any bolt is less than 5kg, the bonding force of the first bonding layer is matched, stable sticking of the first ceramic single plate to the inner surface of the roller can be guaranteed, the working stability is high, any edge of the first ceramic single plate is in an inverted arc shape, rigid collision is avoided, the service life is prolonged, dregs can be prevented from entering grinding materials, and the product quality is guaranteed.
The end plate is composed of a plurality of second ceramic single plates 14 which are assembled together, the second ceramic single plates are fan-shaped flat plates, inward bulges and outward grooves are integrally formed in the second ceramic single plates, and the bulges and the grooves are the same as the first ceramic single plates in function.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. A fully-sealed roller ball mill comprises a rack, wherein a transverse roller is arranged on the rack, a feed inlet is formed in the first end of the roller, an inlet pipe is arranged at the feed inlet, the inlet pipe is a round pipe, a support used for supporting the inlet pipe is arranged on the rack, a lifting device used for lifting the inlet pipe is arranged at the upper end of the support, a toothed ring is arranged on the outer wall of the second end of the roller, a driving motor is arranged on the rack, an output shaft of the driving motor is connected with a driving gear, the driving gear is meshed with the toothed ring, a discharge outlet is formed in the second end of the roller, sealing covers are arranged at the feed inlet and the discharge outlet, an inner lining plate is arranged on the inner wall of the roller and comprises a side plate and an end plate, a partition plate is arranged at the middle position inside the roller and is a pore plate, an, the method is characterized in that: the side plate is composed of a plurality of first ceramic single plates which are assembled together, the cross section of each first ceramic single plate is arc-shaped, inward bulges are integrally formed on the inner walls of the first ceramic single plates, the end faces of the bulges are spherical, grooves are integrally formed on the outer walls of the first ceramic single plates, the bottom surfaces of the grooves are spherical, bolts are fixedly bonded in the grooves, screws of the bolts extend outwards to the outside of the roller, fastening nuts are sleeved outside the rollers, annular copper gaskets are arranged between the edges of the outer walls of the first ceramic single plates and the roller, first bonding layers are arranged between the first ceramic single plates on the inner sides of the copper gaskets and the roller, the thickness value of each first ceramic single plate is 16-20mm, the width value of each first ceramic single plate is 350-ion 400mm, the length value of each first ceramic single plate is 550-ion 600mm, and four bulges are arranged on any first ceramic single plate, four bulges are distributed at four corners of a rectangle, four grooves are also arranged on any first ceramic single plate, the four grooves correspond to the bulges, the height value of the bulges is 12-15mm, the radius of the spherical surface of the inner end surface of each bulge is 160-200mm, the depth value of each groove is 6-8mm, the inner end surface of the nut of the bolt is a spherical surface matched with the groove, the nut of the bolt is bonded with the bottom surface of the groove through a second bonding layer, the lifting device comprises a lower supporting ring fixed at the upper end of a bracket, the inner wall of the lower supporting ring is provided with a groove along a working surface, a needle roller groove is arranged in the groove, a needle roller matched with the needle roller is arranged in the needle roller groove, an axial positioning groove parallel to the needle roller groove is also arranged in the groove, the cross section of the axial positioning groove is arc, and lubricating grease is arranged in the groove, the upper end of the lower supporting ring is provided with an upper pressing ring, the lower supporting ring is connected with the upper pressing ring through a bolt, a needle groove, a roller pin and an axial positioning groove are correspondingly arranged in the upper pressing ring, an oil filling hole for filling lubricating grease is arranged at the top of the axial positioning groove of the upper pressing ring, an end cap is detachably arranged at the oil filling hole, a wear-resisting ring matched with the roller pin is fixedly sleeved outside the feeding pipe, the working surface of the wear-resisting ring is positioned in a groove, the outer wall of the feeding pipe is provided with positioning balls matched with the axial positioning groove, a positioning pin is arranged between the lower supporting ring and the upper pressing ring, the lower supporting ring and the upper pressing ring are respectively provided with two needle grooves, the feeding pipe is correspondingly provided with two wear-resisting rings, the axial positioning groove is arranged between the two needle grooves, the outer wall of the feeding pipe is uniformly provided with 3-5, the utility model discloses a ceramic single board of positioning groove, including positioning groove, end plate, first pottery veneer and second pottery veneer, the positioning groove bottom surface is the sphere type, is provided with a location ball in arbitrary constant head tank, and the degree of depth value of constant head tank is 1/3 of location ball diameter value, and the degree of depth value of axial positioning groove is 1/3 of location ball diameter value, and the vertical distance maximum value of positioning groove bottom surface apart from the axial positioning groove bottom surface is greater than 1-2mm of location ball diameter value, the end plate comprises a plurality of second pottery veneers that the piece together, the pottery veneer of second is fan-shaped, first pottery veneer and second.
2. The fully-sealed ball mill according to claim 1, characterized in that: any edge of the first ceramic single plate is in an inverted arc shape.
3. The fully-sealed ball mill according to claim 1, characterized in that: the end part of the needle roller is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478069.8A CN110369050B (en) | 2019-06-03 | 2019-06-03 | Full-sealed roller ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478069.8A CN110369050B (en) | 2019-06-03 | 2019-06-03 | Full-sealed roller ball mill |
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| Publication Number | Publication Date |
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| CN110369050A CN110369050A (en) | 2019-10-25 |
| CN110369050B true CN110369050B (en) | 2021-07-09 |
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| CN117772681B (en) * | 2024-02-26 | 2024-04-30 | 陕西天成航空材料股份有限公司 | Titanium alloy return material belt cleaning device |
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| CN207222058U (en) * | 2017-09-15 | 2018-04-13 | 株洲长江特种材料有限公司 | A kind of ball mill and its cylinder lining |
| CN107649251A (en) * | 2017-10-10 | 2018-02-02 | 雷丽萌 | A kind of ball mill finely divided for silicate product height |
| CN208512682U (en) * | 2018-06-01 | 2019-02-19 | 甘肃省合作早子沟金矿有限责任公司 | A kind of ball mill |
| CN208702899U (en) * | 2018-07-16 | 2019-04-05 | 浙江新昌展望机械有限公司 | A kind of needle roller ball bearing |
| CN109127011B (en) * | 2018-10-16 | 2021-07-20 | 江苏吉能达环境能源科技有限公司 | Superfine powder ball mill |
-
2019
- 2019-06-03 CN CN201910478069.8A patent/CN110369050B/en active Active
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| Publication number | Publication date |
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| CN110369050A (en) | 2019-10-25 |
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