CN112454120A

CN112454120A - Anti-deviation roller and manufacturing method thereof

Info

Publication number: CN112454120A
Application number: CN202011148206.0A
Authority: CN
Inventors: 吴华峰; 许凯飞
Original assignee: Huzhou Hainachuan Conveying Machinery Co ltd
Current assignee: Huzhou Hainachuan Conveying Machinery Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-03-09

Abstract

The invention discloses an anti-deviation roller and a manufacturing method thereof, relating to the field of manufacturing of anti-deviation rollers. According to the invention, the scrap collecting mechanism is arranged, the derusting equipment and the scrap collecting mechanism are detachably arranged, the scrap collecting mechanism can collect scraps generated in the derusting process, and when the scraps in the scrap collecting mechanism need to be cleaned, a worker only needs to take the scrap collecting mechanism out of the derusting equipment and then can pour out the scraps; meanwhile, the air exhaust mechanism and the air washing mechanism are installed on the rust removal equipment, dust generated in the rust removal process can be sucked into the air washing mechanism through the air exhaust mechanism, the dust in the air can be treated through the air washing mechanism, and the dust after air washing is discharged into the air, so that the dust can be effectively cleaned.

Description

Anti-deviation roller and manufacturing method thereof

Technical Field

The invention relates to the field of anti-deviation roller manufacturing, in particular to an anti-deviation roller and a manufacturing method thereof.

Background

The roller is a cylindrical part and is divided into a driving roller and a driven roller according to the application; the power roller is divided into a power roller and an unpowered roller according to a driving mode, and the power roller is divided into a single-chain wheel roller, a double-chain wheel roller, a single-O-belt roller and a double-O-belt roller; the unpowered roller is divided into an inner tooth shaft roller and a spring press-in type roller, and is divided into a cylindrical roller and a conical roller according to the structural form.

The steel is usually made of seamless steel pipes, and can be made of aluminum alloy 6061T5, 304L/316L stainless steel, 2205 duplex stainless steel, cast steel and solid forged alloy steel cores according to different process requirements; the roller is mainly produced by the working procedures of primary turning of a roller body, primary correction of static balance, interference assembly welding of a shaft head, finish turning, fine correction of dynamic balance and the like; if the dimensional tolerance, such as roundness, cylindricity, and straightness, is required to be 0.2mm or less, the workpiece needs to be ground by an external grinding machine or a roll grinder after finish turning, and the heat treatment process needs to be added if the surface hardness is required.

After the roller is molded, surface treatment or coating such as painting, galvanizing, TEFLON spraying, rubber coating, chrome plating, ceramic spraying, oxidation and the like are required for the requirements of rust prevention, corrosion prevention, wear resistance and support.

According to the chinese patent publication No. CN105483695B, a method for manufacturing a hearth roll is disclosed, which comprises: manufacturing a nickel-based roll collar and a roll core, and fixing the nickel-based roll collar on the roll core to obtain a prefabricated furnace bottom roll; cleaning the surface of the nickel-based roll collar; obtaining cladding powder, wherein the cladding powder comprises NiCr-Cr3C2, WC, TiN and rare earth, and the mass percent of the NiCr-Cr3C2 is 80-90%; fixing the prefabricated furnace bottom roller on a machine tool, carrying out laser cladding on the surface of the nickel-based roll collar 21 by adopting a laser welding machine, and simultaneously sending cladding powder to the surface of the nickel-based roll collar; and carrying out heat treatment on the nickel-based roll collar after cladding to obtain the furnace bottom roll.

The utility model discloses a through to nickel base collars surface laser cladding, send the cladding powder including NiCr-Cr3C2, WC, TiN, tombarthite to nickel base collars surface simultaneously to cladding, form composite coating, improved the wearability, effectively reduce the built-up, increase of service life, and compared with cobalt base collars the cost is reduced; however, when the surface of the nickel-based roll collar is subjected to rust removal treatment, more chips and some dust can be generated, part of the chips can directly fall onto the rust removal equipment, so that the rust removal equipment needs to be cleaned by workers in extra time, the generated dust can directly float in the air and can be easily sucked by surrounding workers, the dust sucked for a long time can cause certain influence on the bodies of the workers, and the dust floating in the air can cause environmental pollution; meanwhile, when the anti-deviation roller is manufactured, the surface of the nickel-based roller ring needs to be coated, and redundant coatings are attached to the nickel-based roller ring due to different coating amounts at each place in the coating process, so that the coating layer is not flat, and the manufacturing quality of the nickel-based roller ring is influenced.

Disclosure of Invention

The invention aims to: in order to solve the problems that dust and debris are generated when the surface of the nickel-based roll collar is subjected to rust removal, the cleaning is difficult, and the coating on the surface of the nickel-based roll collar is uneven, an anti-deviation roller and a manufacturing method of the anti-deviation roller are provided.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-deviation roller and a manufacturing method of the anti-deviation roller comprise the steps of manufacturing a nickel-based roller ring and a roller core, carrying out rust removal and heat treatment processing on the surface of the nickel-based roller ring and obtaining a prefabricated furnace bottom roller, wherein the specific manufacturing steps of the anti-deviation roller are as follows:

the method comprises the following steps:

machining and molding the roll core through a machine, wherein the nickel-based roll collar is manufactured through precision manufacturing, and then fixing the nickel-based roll collar on the roll core;

step two:

the nickel-based roll collar is placed on polishing equipment, the nickel-based roll collar is fixed, meanwhile, a fragment collecting mechanism, an air exhaust mechanism and an air washing mechanism are arranged on the polishing equipment respectively, a worker starts the polishing mechanism on the polishing equipment to polish and derust the surface of the nickel-based roll collar, more fragments and dust are generated in the derusting process, the fragments generated in the derusting process can be collected by the fragment collecting mechanism, and when the fragments in the fragment collecting mechanism need to be cleaned, the worker only needs to take the fragment collecting mechanism out of the polishing equipment and then can pour out the fragments; meanwhile, dust generated in the rust removing process can be sucked into the gas washing mechanism through the air suction mechanism, and the dust in the gas can be treated through the gas washing mechanism.

Step three:

fixing a prefabricated furnace bottom roller on a machine tool, carrying out laser cladding on the surface of the nickel-based roll collar by adopting a laser welding machine, conveying cladding coating to the surface of the nickel-based roll collar, and placing the nickel-based roll collar into heat treatment equipment after the scraping of the redundant coating is finished, wherein coating equipment is arranged on the machine tool, and a scraping mechanism and a material returning mechanism are arranged on the coating equipment;

step four:

and (3) carrying out heat treatment on the nickel-based roll collar after cladding, wherein the heating time is 30-45 min, and taking out the nickel-based roll collar after heating, thereby obtaining the furnace bottom roller.

Preferably, the both ends of roller all are fixed with the axle sleeve, the bearing is installed to one side of axle sleeve, the internal connection of bearing has the roller, logical oil pocket, oil drain hole and oil through hole have been seted up respectively to the inner wall of bearing, the oil filler point has been seted up at the top of bearing, two spacing rings have been cup jointed to the surface of roller, two the spacing hole of second has all been seted up at the surface and the back of spacing ring, a plurality of first spacing holes have all been seted up at the surface and the back of roller, the internally mounted in the spacing hole of second has the spacing bolt that extends to first spacing downthehole portion.

Preferably, the oil discharge hole is provided with a plurality ofly, and is a plurality of the oil discharge hole equidistance distributes in the inner wall of bearing, oil discharge hole and oil through hole all are linked together with logical oil chamber.

Preferably, the limiting ring is connected with the roller in a sliding mode, and an anti-abrasion pad is fixed to the inner wall of the limiting ring.

Preferably, a plurality of the first limiting holes are equidistantly distributed on the outer surface and the back of the roller, and the diameter of each first limiting hole is the same as that of each second limiting hole.

Preferably, the thickness of the shaft sleeve is about 5cm, and the outer surface of the shaft sleeve is coated with antirust paint.

Preferably, the method comprises the following steps:

when a user needs to fill oil between the bearing and the roll shaft, the user adds lubricating oil into the bearing through the oil filling hole, the lubricating oil enters the oil through cavity, flows into the oil discharging hole through the oil cavity and then enters a gap between the bearing and the roll shaft through the oil discharging hole, and therefore the inner wall of the bearing and the outer wall of the roll shaft can be lubricated; simultaneously when needs overlap article on the roller, the user is earlier through rotatory spacing bolt, with spacing bolt from first spacing hole and the downthehole screw-out of second spacing, user alright removal spacing ring after that, shift out the spacing ring from the roller, then alright overlap article on the roller, embolia the spacing ring to the roller again in order to carry out spacingly to article, prevent that article from moving on the roller along with intention, then through rotatory spacing bolt, with its screw in to the inner wall of spacing ring and roller, in order to fix the spacing ring.

Preferably, in the third step, the cladding coating comprises NiCr-Cr3C2, WC, TiN and rare earth, wherein the mass percent of the NiCr-Cr3C2 is 80-90%.

Preferably, in step four, the heating temperature is from 40 ℃ to 80 ℃.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the scrap collecting mechanism is arranged, the derusting equipment and the scrap collecting mechanism are detachably arranged, the scrap collecting mechanism can collect scraps generated in the derusting process, and when the scraps in the scrap collecting mechanism need to be cleaned, a worker only needs to take the scrap collecting mechanism out of the derusting equipment and then can pour out the scraps; simultaneously, an air exhaust mechanism and a gas washing mechanism are installed on the rust removal equipment, dust generated in the rust removal process can be sucked into the gas washing mechanism through the air exhaust mechanism, the dust in the gas can be treated through the gas washing mechanism, the dust after gas washing is discharged into the air, the dust can be effectively cleaned in the mode, the dust generated in the rust removal process is prevented from floating in the air at will and being adsorbed by peripheral workers, and meanwhile, the pollution to the environment caused by direct discharge of the dust into the air is avoided.

2. According to the invention, the scraping mechanism and the material returning mechanism are arranged, the scraping mechanism scrapes redundant coating on the surface of the nickel-based roll ring, the scraped coating falls into the material returning mechanism and then flows back into the material storage equipment through the material returning mechanism, so that the waste of the coating is avoided, the utilization rate of the coating is improved, and meanwhile, after the scraping mechanism scrapes the redundant coating, the coating on the nickel-based roll ring is prevented from being uneven, the smoothness of the surface of the nickel-based roll ring is improved, and thus the forming quality of the nickel-based roll ring is improved.

Drawings

FIG. 1 is a schematic perspective view of a roller according to the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of the roller of the present invention;

FIG. 3 is a schematic view of a partial structure of a stop collar of the present invention;

fig. 4 is an enlarged structural diagram a of the present invention.

In the figure: 1. a roller; 2. a limiting ring; 3. a shaft sleeve; 4. a bearing; 5. a roll shaft; 6. a first limit hole; 7. a limit bolt; 8. an oil filler hole; 9. an oil through hole; 10. an oil cavity is communicated; 11. an oil drain hole; 12. a second limiting hole.

Detailed Description

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 the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 following describes an embodiment of the present invention based on its overall structure.

The first embodiment is as follows:

the invention provides the following technical scheme: an anti-deviation roller and a manufacturing method of the anti-deviation roller comprise the steps of manufacturing a nickel-based roller ring and a roller core, carrying out rust removal and heat treatment processing on the surface of the nickel-based roller ring and obtaining a prefabricated furnace bottom roller, wherein the specific manufacturing steps of the anti-deviation roller are as follows:

the method comprises the following steps:

step two:

Step three:

step four:

Referring to fig. 1-4, shaft sleeves 3 are fixed at both ends of a roller barrel 1, a bearing 4 is installed at one side of each shaft sleeve 3, a roller shaft 5 is connected inside each bearing 4, an oil through cavity 10, an oil discharge hole 11 and an oil through hole 9 are respectively formed in the inner wall of each bearing 4, an oil injection hole 8 is formed in the top of each bearing 4, two limiting rings 2 are sleeved on the outer surface of the roller barrel 1, second limiting holes 12 are formed in the outer surfaces and the back of the two limiting rings 2, a plurality of first limiting holes 6 are formed in the outer surface and the back of the roller barrel 1, and limiting bolts 7 extending into the first limiting holes 6 are installed inside the second limiting holes 12.

Referring to fig. 1-4, a plurality of oil discharge holes 11 are formed, the plurality of oil discharge holes 11 are equidistantly distributed on the inner wall of the bearing 4, the oil discharge holes 11 and the oil through holes 9 are both communicated with the oil through cavity 10, so that lubricating oil can enter the oil through holes 9 into the oil through cavity 10 and then enter the oil discharge holes 11 through the oil through cavity 10, and further, lubricating oil can enter a gap between the bearing 4 and the roller shaft 5 and lubricate the inner wall of the bearing 4 and the outer wall of the roller shaft 5; spacing ring 2 and roller 1 sliding connection, just the inner wall of spacing ring 2 is fixed with the abrasionproof pad, makes things convenient for spacing ring 2 to slide on roller 1 to be convenient for take off spacing ring 2 from roller 1, and the abrasionproof pad can prevent that the inner wall of spacing ring 2 from receiving wearing and tearing, and then improved spacing ring 2's life.

Referring to fig. 1-3, a plurality of first limiting holes 6 are equidistantly distributed on the outer surface and the back of the roller 1, the diameter of the first limiting holes 6 is the same as that of the second limiting holes 12, so that a worker can conveniently screw the limiting bolts 7 into the first limiting holes 6 and the second limiting holes 12 to limit and fix the limiting ring 2 and prevent the limiting ring 2 from moving freely; the thickness of axle sleeve 4 is about 5cm, the surface of axle sleeve 4 scribbles the anti-rust paint, improves axle sleeve 4's the ability of preventing rustting.

Referring to fig. 1-4, the method includes the following steps:

when a user needs to fill oil between the bearing 4 and the roller shaft 5, the user adds lubricating oil into the bearing 4 through the oil filling hole 8, the lubricating oil enters the oil through cavity 10, flows into the oil discharging hole 11 through the oil through cavity 10 and then enters a gap between the bearing 4 and the roller shaft 5 through the oil discharging hole 11, and therefore the inner wall of the bearing 4 and the outer wall of the roller shaft 5 can be lubricated; simultaneously when needs overlap article on roller 1, the user is earlier through rotatory spacing bolt 7, with spacing bolt 7 from first spacing hole 6 and the spacing downthehole 12 back-out of second, user alright removal spacing ring 2 after that, shift out spacing ring 2 from roller 1, then alright overlap article on roller 1, embolia spacing ring 2 to roller 1 on in order to carry out spacingly to article again, prevent that article from moving on roller 1 along with intention, then through rotatory spacing bolt 7, screw in its inner wall to spacing ring 2 and roller 1, in order to fix spacing ring 2.

Further, in the third step, the cladding coating comprises NiCr-Cr3C2, WC, TiN and rare earth, wherein the mass percent of the NiCr-Cr3C2 is 80% -90%; in the fourth step, the heating temperature is 40-80 ℃ so as to dry the coating on the nickel-based roll collar and improve the forming efficiency of the roller 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An anti-deviation roller and a manufacturing method thereof are characterized in that: the method comprises the following steps of manufacturing a nickel-based roll collar and a roll core, carrying out rust removal and heat treatment processing on the surface of the nickel-based roll collar and obtaining a prefabricated furnace bottom roll, wherein the specific manufacturing steps of the anti-deviation roll are as follows:

the method comprises the following steps:

step two:

Step three:

step four:

2. An anti-drift roller and a method for making an anti-drift roller according to claim 1, comprising a roller (1), characterized in that: the both ends of roller (1) all are fixed with axle sleeve (3), bearing (4) are installed to one side of axle sleeve (3), the internal connection of bearing (4) has roller (5), logical oil pocket (10), oil drain hole (11) and logical oilhole (9) have been seted up respectively to the inner wall of bearing (4), oil filler point (8) have been seted up at the top of bearing (4), two spacing ring (2), two have been cup jointed to the surface of roller (1) the surface and the back of spacing ring (2) have all been seted up second spacing hole (12), a plurality of first spacing holes (6) have all been seted up to the surface and the back of roller (1), the internally mounted of the spacing hole of second (12) has spacing bolt (7) that extend to first spacing hole (6) inside.

3. The anti-deviation roller and the manufacturing method thereof according to claim 2, wherein the anti-deviation roller comprises: oil drain hole (11) are provided with a plurality ofly, and are a plurality of oil drain hole (11) equidistance distributes in the inner wall of bearing (4), oil drain hole (11) and oil through hole (9) all are linked together with oil through cavity (10).

4. The anti-deviation roller and the manufacturing method thereof according to claim 2, wherein the anti-deviation roller comprises: the limiting ring (2) is connected with the roller (1) in a sliding mode, and an anti-abrasion pad is fixed to the inner wall of the limiting ring (2).

5. The anti-deviation roller and the manufacturing method thereof according to claim 2, wherein the anti-deviation roller comprises: a plurality of the first limiting holes (6) are equidistantly distributed on the outer surface and the back of the roller (1), and the diameter of each first limiting hole (6) is the same as that of each second limiting hole (12).

6. The anti-deviation roller and the manufacturing method thereof according to claim 2, wherein the anti-deviation roller comprises: the thickness of the shaft sleeve (4) is about 5cm, and the outer surface of the shaft sleeve (4) is coated with antirust paint.

7. The anti-deviation roller and the manufacturing method thereof according to claim 2, wherein the anti-deviation roller comprises: the method comprises the following steps:

when a user needs to fill oil between the bearing (4) and the roller shaft (5), the user adds lubricating oil into the bearing (4) through the oil filling hole (8), the lubricating oil enters the oil through cavity (10), flows into the oil discharging hole (11) through the oil through cavity (10), and then enters a gap between the bearing (4) and the roller shaft (5) through the oil discharging hole (11), so that the inner wall of the bearing (4) and the outer wall of the roller shaft (5) can be lubricated; simultaneously when needs overlap article on roller (1), the user is earlier through rotatory spacing bolt (7), with spacing bolt (7) from first spacing hole (6) and spacing hole (12) internal screw-out of second, user alright removal spacing ring (2) after that, shift out spacing ring (2) from roller (1), then alright overlap article on roller (1), embolia spacing ring (2) on roller (1) in order to carry out spacingly to article again, prevent that article from moving on roller (1) at will, then through rotatory spacing bolt (7), screw in its inner wall to spacing ring (2) and roller (1), in order to fix spacing ring (2).

8. The anti-deviation roller and the manufacturing method thereof according to claim 1, wherein the anti-deviation roller comprises: in the third step, the cladding coating comprises NiCr-Cr3C2, WC, TiN and rare earth, wherein the mass percent of the NiCr-Cr3C2 is 80% -90%.

9. The anti-deviation roller and the manufacturing method thereof according to claim 1, wherein the anti-deviation roller comprises: in the fourth step, the heating temperature is 40-80 ℃.