CN212509228U - Device suitable for continuous hot galvanizing process production - Google Patents
Device suitable for continuous hot galvanizing process production Download PDFInfo
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- CN212509228U CN212509228U CN202020669720.8U CN202020669720U CN212509228U CN 212509228 U CN212509228 U CN 212509228U CN 202020669720 U CN202020669720 U CN 202020669720U CN 212509228 U CN212509228 U CN 212509228U
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- shaft sleeve
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- bearing seat
- mounting hole
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Abstract
The utility model relates to a device suitable for continuous hot galvanizing process production, which comprises a shaft sleeve and a bearing seat, wherein the shaft sleeve comprises a shaft sleeve base body and a shaft sleeve lantern ring, the shaft sleeve base body is provided with an outer cylindrical surface, and the shaft sleeve lantern ring is fixed on the outer cylindrical surface of the shaft sleeve base body; the bearing seat comprises a bearing seat body and a wear-resistant pressing block, wherein the middle part of the bearing seat body is provided with a mounting hole, the area right above the mounting hole is a bearing area, the rest areas are non-bearing areas, the bearing area is provided with a bearing seat opening, and the wear-resistant pressing block is fixedly arranged in the bearing seat opening; the section of the inner wall of the non-pressure-bearing area of the mounting hole in the radial direction of the bearing seat body is of a wedge-shaped structure, the width of the section of the wedge-shaped structure is smaller when the wedge-shaped structure is closer to the center of the mounting hole, solid zinc dross entering a friction surface of a bearing can be discharged quickly, particle abrasion is reduced, and therefore the service life of the bearing seat and the service life of the shaft sleeve are prolonged.
Description
Technical Field
The utility model relates to a continuous hot galvanizing process equipment field specifically relates to a device suitable for continuous hot galvanizing process production.
Background
When the continuous hot galvanizing process is carried out, the galvanized steel strip changes the direction through an immersion roller immersed in high-temperature (46O-480 ℃) zinc melt, namely, the zinc immersion in a zinc pot is changed into the zinc discharge pot, and a galvanized layer is solidified and cooled. The arrangement diagram of equipment in a zinc pot of the continuous hot galvanizing process is shown in figure 1, an immersion roller 5 rotating along with the movement of a steel strip 2 is arranged on a roller arm 8 through shaft sleeves 6 and bearing seats 7 on two sides, and the steel strip 2 can also ensure the stability of transmission through a stabilizing roller 3 and a balance roller 4 in the movement process. The shaft sleeves 6 are fixed on two side ends of the immersion roller 5 to play a role of a sliding bearing, the bearing seats 7 are fixed on the roller arms 8, and inner holes of the bearing seats 7 are in contact with the shaft sleeves 6 of the immersion roller 5 to play a role of radial restraint on the immersion roller 5.
Because the bearing seat, the shaft sleeve and the immersion roller are all soaked in the molten zinc 1 in the hot galvanizing process, the immersion roller 5, the shaft sleeve 6 and the bearing seat 7 which are immersed in the molten zinc 1 are continuously corroded and abraded by the molten zinc, and the products are dissolved in the molten zinc to generate solid zinc slag which becomes a particle source for abrasion of the roller body, the shaft sleeve and the bearing seat. Therefore, the shaft sleeve and the bearing seat can rapidly lose efficacy under the combined action of zinc liquid erosion, corrosive wear and abrasive wear in the continuous hot galvanizing production process. Therefore, the roll replacement must be stopped regularly in the continuous hot galvanizing production, and the frequent roll replacement stops can affect the production efficiency, increase the production cost and increase the labor intensity of workers.
From the viewpoint of improving and prolonging the replacement period of the immersion roller, many researches and attempts are also made in the industry at present: for example, a ceramic bushing, a Co-based alloy bushing, etc. have been used with some results. The shaft sleeve and the bearing bush made of the Co-based alloy material are good in comprehensive effect at present, but the periodic replacement period is still short (about 2 weeks is common), and the durability is still to be improved; the ceramic shaft sleeve has good corrosion resistance and wear resistance, but is easy to break in installation and production due to the lack of toughness.
Therefore, the utility model provides a can prolong the device of the change cycle of roller in the production of continuous hot galvanizing process to realize improving production efficiency, reducing the bearing consumption, reducing a ray of workman intensity of labour's purpose.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can prolong the device of the change cycle of submergence roller in the production of continuous hot-galvanize technology.
The specific scheme is as follows:
an apparatus suitable for production in a continuous hot dip galvanizing process, comprising:
the shaft sleeve comprises a shaft sleeve base body and a shaft sleeve lantern ring, wherein the shaft sleeve base body is provided with an outer cylindrical surface, and the shaft sleeve lantern ring is fixed on the outer cylindrical surface of the shaft sleeve base body;
the bearing seat comprises a bearing seat body and a wear-resistant pressing block, wherein the middle part of the bearing seat body is provided with a mounting hole, a region right above the mounting hole is a bearing region, the rest regions are non-bearing regions, a bearing seat opening is formed in the bearing region, and the wear-resistant pressing block is fixedly arranged in the bearing seat opening and matched with the mounting hole to form a hole for accommodating the shaft sleeve; the section of the inner wall of the non-pressure-bearing area of the mounting hole in the radial direction of the bearing seat body is a wedge-shaped structure, and the width of the section of the wedge-shaped structure is smaller as the wedge-shaped structure is closer to the center of the mounting hole.
Preferably, the sleeve base body is made of a Cr-Ni alloy and the sleeve collar is made of M2 high speed steel.
Preferably, the bearing housing body is made of a Cr-Ni alloy and the wear resistant compact is made of M2 high speed steel.
Preferably, the mounting hole is substantially U-shaped in cross section.
Preferably, step structures which are matched with each other are arranged between the wear-resistant pressing block and the bearing seat opening.
Preferably, the wear-resistant pressing block is provided with an inner wall contacted with the sleeve ring of the shaft sleeve, the inner wall is provided with a slag discharge port which is concavely arranged along the radial direction, and the slag discharge port axially penetrates through the wear-resistant pressing block.
The utility model provides a device suitable for continuous hot-galvanize technology production compares with prior art and has following advantage: the utility model provides a bearing frame of device falls into bearing frame body and wear-resisting briquetting, wear-resisting briquetting is installed on the circumference bearing direction of bearing frame body, adopt the method of local pressure-bearing, the mode of the whole circumference pressure-bearing of bearing frame among the prior art has been improved, thereby can be at the row's sediment structure of radial cross-section for the wedge structure of the inner wall setting of mounting hole non-bearing area, let the solid zinc dross that gets into the bearing friction surface discharge fast, reduce the granule wearing and tearing, thereby improve the life of this bearing frame and axle sleeve, the change cycle of submergence roller in the production of extension continuous galvanizing process, in order to realize improving production efficiency, reduce the bearing consumption and reduce a ray of workman intensity of labour's purpose.
Drawings
FIG. 1 shows the layout of equipment in a zinc pot in the continuous hot galvanizing process.
Fig. 2 shows a cross-sectional view at a-a in fig. 1.
Fig. 3 shows a partial enlarged view on the right end portion in fig. 2.
Figure 4 shows a side view of the mounting of the sleeve, bearing housing on the immersion roller.
Fig. 5 shows a cross-sectional view at B-B in fig. 4.
Fig. 6 shows a perspective view of the bearing housing body.
Description of reference numerals:
1. zinc melt;
2. a steel belt;
3. a stabilizing roller;
4. a balance roller;
5. an immersion roller; 50. a roll body; 51. a roller flange; 52. a shaft head;
6. a shaft sleeve; 60. a shaft sleeve base body; 61. a sleeve ring of the shaft sleeve; 62. a liner; 63. the shaft sleeve is welded with a buckle;
7. a bearing seat 70, a bearing seat body; 71. a wear-resistant pressing block; 72. a fixing plate; 73. welding surfaces of the bearing seats;
8. a roller arm; 81. a roller axial top arm; 82. and (4) axially ejecting the roller.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment provides a device suitable for continuous hot galvanizing process production, which comprises a shaft sleeve and a bearing seat, wherein an immersion roller immersed in zinc melt is arranged on a roller arm through the shaft sleeve and the bearing seat on two sides.
Specifically, referring to fig. 1 to 6, the immersing roller 5 includes a roller body 50, two roller flanges 51 and two shaft heads 52, the roller body 50 is of a cylindrical structure, the two roller flanges 51 are welded and fixed to two ends of the roller body 50, the two shaft heads 52 are welded and fixed to the two roller flanges 51, and the shaft heads 52 and the roller body 50 are coaxially arranged. The immersing roller 5 in the present embodiment is merely an example, and is not limited thereto.
The bushing 6 comprises a bushing base body 60 and a bushing collar 61, wherein the bushing base body 60 is made of a Cr — Ni alloy and has an outer cylindrical surface. The sleeve collar 61 is made of M2 high speed steel and is fixed to the outer cylindrical surface of the sleeve base 60. The bushing 6 is fixed on the shaft head 52 of the immersion roller 5 through a gasket 62 and a bushing welding buckle 63.
The bearing housing 7 comprises a bearing housing body 70 and a wear resistant compact 71, wherein the bearing housing body 70 is made of a Cr-Ni alloy and the wear resistant compact 71 is made of M2 high speed steel.
The bearing housing body 70 has a mounting hole 701 having a substantially U-shaped cross section at a middle portion thereof, and the mounting hole 701 is adapted to receive the sleeve 6. A bearing area is arranged right above the mounting hole 701, a bearing seat opening 702 is arranged on the bearing area, and the wear-resistant pressing block 71 is fixedly arranged in the bearing seat opening 702 so as to play a role of radial restraint on the shaft sleeve 6 positioned in the mounting hole 701.
The other areas of the mounting hole 701 of the bearing seat body 70 except the pressure-bearing area above the mounting hole 701 are non-pressure-bearing areas, the section of the inner wall of the non-pressure-bearing area of the mounting hole 701 in the radial direction of the bearing seat body 70 is a wedge-shaped structure 703, the closer the wedge-shaped structure is to the center of the mounting hole 701, the smaller the width of the section is, a wedge-shaped slag discharging structure beneficial to abrasive particle discharge is formed, abrasive particles entering the friction surface of the bearing can be discharged quickly, and particle abrasion is reduced.
In this embodiment, the wear-resistant pressing piece 71 is fixedly installed in the bearing seat opening 702 through a fixing plate 72 welded and fixed in the bearing seat opening 702, so that the bearing seat body 70 and the wear-resistant pressing piece 71 form a complete bearing seat. In order to facilitate the assembly and fixation of the wear-resistant pressing block 71, in the embodiment, a step structure is provided between the wear-resistant pressing block 71 and the bearing seat opening 702; namely, the bearing seat opening 702 has a step-shaped mounting surface, and the wear-resistant pressing block 71 has a wing portion abutting against the mounting surface, so that the bearing seat opening 702 and the wear-resistant pressing block 71 are assembled on the bearing seat body 70 in a concave-convex fit manner.
The bearing support 7 is then fixed to the roller arm 8 by means of a bearing support weld face 73. The axial movement of the immersion roller 5 is limited by a roller axial top arm 81 and a roller axial top 82 on the roller arm.
The utility model relates to a bearing frame adopts the nonstandard bearing frame of combination formula, fall into bearing frame body and wear-resisting briquetting with it, wear-resisting briquetting is installed on the circumference bearing direction of bearing frame body, adopt the method of local pressure-bearing, the mode of the whole circumference bearing of bearing frame among the prior art has been improved, thereby can be at the slag discharging structure of radial cross-section for the wedge structure of the non-bearing zone's of mounting hole inner wall setting, let the solid zincilate that gets into the bearing friction surface discharge fast, reduce the granule wearing and tearing, thereby improve the life of this bearing frame and axle sleeve, the change cycle of submergence roller in the production of continuous galvanizing process of extension (change cycle can prolong to more than three weeks), in order to realize improving production efficiency, reduce the bearing consumption and reduce a ray of workman intensity of labour's purpose.
In addition, the shaft sleeve in the embodiment takes Cr-Ni alloy as a base body, and the lantern ring made of M2 high-speed steel is fixed on the outer cylindrical surface, so that the shaft sleeve has the weldability of the Cr-Ni alloy and the advantages of high-temperature wear resistance and zinc melt corrosion resistance of M2 high-speed steel, and in addition, the shaft sleeve can have certain toughness, and the processing amount of the high-speed steel material can be reduced.
Similarly, the bearing seat in the embodiment uses the Cr-Ni alloy as the matrix, and the wear-resistant pressing block in the bearing area is made of M2 high-speed steel, so that the bearing seat has the weldability of the Cr-Ni alloy and the advantages of high-temperature wear resistance and zinc melt corrosion resistance of M2 high-speed steel.
Referring to fig. 4 and 5, the wear-resistant compact 71 has an inner wall contacting with the sleeve collar 61 of the sleeve 6, the inner wall is provided with a slag discharge port 710 recessed along the radial direction, and the slag discharge port 710 axially penetrates through the wear-resistant compact 71, so that abrasive particles entering the friction surface of the bearing can be rapidly discharged, and particle wear is reduced.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. An apparatus suitable for continuous hot galvanizing process production, comprising:
the shaft sleeve comprises a shaft sleeve base body and a shaft sleeve lantern ring, wherein the shaft sleeve base body is provided with an outer cylindrical surface, and the shaft sleeve lantern ring is fixed on the outer cylindrical surface of the shaft sleeve base body;
the bearing seat comprises a bearing seat body and a wear-resistant pressing block, wherein the middle part of the bearing seat body is provided with a mounting hole, a region right above the mounting hole is a bearing region, the rest regions are non-bearing regions, a bearing seat opening is formed in the bearing region, and the wear-resistant pressing block is fixedly arranged in the bearing seat opening and matched with the mounting hole to form a hole for accommodating the shaft sleeve; the section of the inner wall of the non-pressure-bearing area of the mounting hole in the radial direction of the bearing seat body is a wedge-shaped structure, and the width of the section of the wedge-shaped structure is smaller as the wedge-shaped structure is closer to the center of the mounting hole.
2. The apparatus of claim 1, wherein: the shaft sleeve base body is made of Cr-Ni alloy, and the shaft sleeve lantern ring is made of M2 high-speed steel.
3. The apparatus of claim 1, wherein: the bearing seat body is made of Cr-Ni alloy, and the wear-resistant pressing block is made of M2 high-speed steel.
4. The apparatus of claim 1, wherein: the mounting hole is substantially U-shaped in cross section.
5. The apparatus of claim 1, wherein: and step structures which are matched with each other are arranged between the wear-resistant pressing block and the opening of the bearing seat.
6. The apparatus of claim 1, wherein: the wear-resistant pressing block is provided with an inner wall which is in contact with the sleeve ring of the shaft sleeve, the inner wall is provided with a slag discharge port which is arranged along the radial direction in a concave mode, and the slag discharge port penetrates through the wear-resistant pressing block along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669720.8U CN212509228U (en) | 2020-04-27 | 2020-04-27 | Device suitable for continuous hot galvanizing process production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020669720.8U CN212509228U (en) | 2020-04-27 | 2020-04-27 | Device suitable for continuous hot galvanizing process production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509228U true CN212509228U (en) | 2021-02-09 |
Family
ID=74434640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020669720.8U Active CN212509228U (en) | 2020-04-27 | 2020-04-27 | Device suitable for continuous hot galvanizing process production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509228U (en) |
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2020
- 2020-04-27 CN CN202020669720.8U patent/CN212509228U/en active Active
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