CN212744707U - Forming die of stainless steel structure spiral welded pipe - Google Patents
Forming die of stainless steel structure spiral welded pipe Download PDFInfo
- Publication number
- CN212744707U CN212744707U CN202020789193.4U CN202020789193U CN212744707U CN 212744707 U CN212744707 U CN 212744707U CN 202020789193 U CN202020789193 U CN 202020789193U CN 212744707 U CN212744707 U CN 212744707U
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- Prior art keywords
- roller
- oil
- pipe
- stainless steel
- inner ring
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Abstract
The utility model provides a forming die of stainless steel construction spiral welded pipe, concretely relates to spiral welded pipe production technical field. The utility model comprises a roller and a roller shaft, wherein the inner side of the roller is provided with a bearing inner ring; a roller is arranged between the bearing inner ring and the roller wheel; an oil cavity is formed among the roller, the bearing inner ring and the roller shaft; an oil delivery pipe is arranged on the inner ring of the bearing, one end of the oil delivery pipe is communicated with the oil cavity, and the other end of the oil delivery pipe is connected with the side wall of the roller; the end and the inside of the roll shaft are respectively provided with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe is communicated with the oil outlet pipe, and two ends of the oil outlet pipe are communicated with the oil cavity. The utility model provides a pair of forming die of stainless steel construction spiral welded tube has improved the structural component and lubricated mode, has improved the life of forming roll.
Description
Technical Field
The utility model belongs to the technical field of spiral welded pipe production, concretely relates to forming die of stainless steel construction spiral welded pipe.
Background
The spiral pipe welder is used in making spiral seam welded pipe and can produce steel pipes of different diameters with strip steel of the same width and steel pipes of the same diameter with strip steel of different widths. The spiral pipe welding machine (spiral steel pipe machine) is mainly a front swing type and a rear swing type. In the production process of the spiral welded pipe, the welding temperature is high, dust such as welding flux is large, the forming roller is easy to damage due to poor lubricating conditions of the forming roller, and the production of the spiral welded pipe is seriously influenced. Therefore, there is a need for a forming mold for a spiral welded stainless steel pipe that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a forming die of stainless steel construction spiral welded tube has improved the structural component and lubricated mode, has improved the life of shaping roller.
The utility model provides a following technical scheme:
a forming die of a spiral welded pipe with a stainless steel structure comprises a roller and a roller shaft, wherein a bearing inner ring is arranged on the inner side of the roller; a roller is arranged between the bearing inner ring and the roller wheel; an oil cavity is formed among the roller wheel, the roller, the bearing inner ring and the roller shaft; an oil delivery pipe is arranged on the inner ring of the bearing, one end of the oil delivery pipe is communicated with the oil cavity, and the other end of the oil delivery pipe is connected with the side wall of the roller; the end and the inside of the roll shaft are respectively provided with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe is communicated with the oil outlet pipe, and two ends of the oil outlet pipe are communicated with the oil cavity.
Preferably, the central axis of the roller forms an angle of 30 degrees with the horizontal plane.
Preferably, the roller and the bearing inner ring are provided with inclined planes matched with the roller.
Preferably, the side wall of the roll shaft is provided with an annular bulge, the annular bulge is connected with the side wall of the bearing inner ring, and the oil outlet pipe is arranged in the annular bulge.
Preferably, an outer baffle ring is arranged between the two ends of the roller and the roller shaft.
Preferably, a sealing ring is arranged between the outer baffle ring and the roller.
The utility model discloses a profitable effect:
the inner side of the roller wheel of the utility model is provided with the bearing inner ring, and the roller is arranged between the bearing inner ring and the roller wheel, so that the roller reduces the friction force between the bearing inner ring and the roller wheel;
an oil cavity is formed among the roller, the bearing inner ring and the roller shaft, the bearing inner ring is provided with an oil delivery pipe, one end of the oil delivery pipe is communicated with the oil cavity, the other end of the oil delivery pipe is connected with the side wall of the roller, the end part of the oil cavity is directly connected with the end part of the roller, and the oil delivery pipe delivers the lubricant in the oil cavity to the middle part of the roller, so that the coating efficiency of the lubricant is higher, and the lubricating effect is improved;
the end and the inside of the roll shaft are respectively provided with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe is communicated with the oil outlet pipe, the two ends of the oil outlet pipe are communicated with the oil cavity, the oil inlet pipe and the oil outlet pipe are convenient for directly conveying lubricant into the oil cavity, and the operation is simple and convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a sectional view of the present invention.
Description of reference numerals:
1. a roller; 2. a roll shaft; 3. a bearing inner race; 4. a roller; 5. an oil chamber; 6. an oil delivery pipe; 7. an oil inlet pipe; 8. an oil outlet pipe; 9. a bevel; 10. an annular projection; 11. an outer retainer ring; 12. and (5) sealing rings.
Detailed Description
As shown in fig. 1, a forming die for a spiral welded pipe with a stainless steel structure comprises a roller 1 and a roller shaft 2, wherein two bearing inner rings 3 are arranged on the inner side wall of the roller 1, a roller 4 is arranged between the bearing inner rings 3 and the roller 1, the side wall of the roller 4 is in rolling connection with the inner side wall of the roller 1 and the outer side wall of the bearing inner rings 3, and the roller 4 reduces the friction force between the bearing inner rings 3 and the roller 1, so that the roller shaft 2 can rotate more smoothly; the central axis of the roller 4 forms an included angle of 30 degrees with the horizontal plane, so that a lubricant can conveniently flow from one end of the roller 4 to the other end under the action of gravity, the coating effect of the lubricant is better, the roller 1 and the bearing inner ring 3 are both provided with inclined planes 9 matched with the roller 4, and the inclined planes 9 enable the roller 4 to roll more stably; an oil cavity 5 is formed among the roller 1, the roller 4, the bearing inner ring 3 and the roller shaft 2, and the oil cavity 5 can store a lubricant, so that the lubricant can be uniformly coated on the surface of the roller 4, and the lubricating effect is improved; the bearing inner ring 3 is provided with an oil delivery pipe 6, one end of the oil delivery pipe 6 is communicated with the oil cavity 5, the other end of the oil delivery pipe 6 is connected with the side wall of the middle part of the roller 4, and the oil delivery pipe 6 conveys the lubricant in the oil cavity 5 to the middle part of the roller 4, so that the lubricant is coated from a plurality of parts, the coating efficiency is higher, and the lubricating effect is improved; the side wall of the roll shaft 2 is provided with an annular bulge 10, the annular bulge 10 is connected with the side wall of the bearing inner ring 3, the annular bulge 10 enables the two bearing inner rings 3 to rotate more stably, and simultaneously the inner ring wall of the oil cavity 5 is more smooth, so that a lubricant can flow to the roller 4 conveniently, and the lubricating effect is improved; an oil inlet pipe 7 and an oil outlet pipe 8 are respectively arranged at the end part and the inner part of the roll shaft 2, the oil inlet pipe 7 and the side wall of the middle part of the oil outlet pipe 8, two ends of the oil outlet pipe 8 are communicated with the oil cavity 5, the oil outlet pipe 8 is arranged in the annular bulge 10, the oil inlet pipe 7 and the oil outlet pipe 8 are convenient for directly conveying a lubricant into the oil cavity 5, and the operation is simple and convenient; be equipped with outer fender ring 11 between the both ends of running roller 1 and the roller 2, be equipped with sealing washer 12 between outer fender ring 11 and the running roller 1, keep off ring 11 outward and improved roller 4 leakproofness, sealing washer 12 has further improved roller 4's leakproofness, prevents that the dust from hindering the roll of roller 9, influences spiral welded tube's production.
The utility model discloses a working method: inject emollient into oil pipe 7, in emollient gets into oil cavity 5 through oil pipe 8, partly emollient flows to the other end from the one end of roller 4, and another part emollient directly transports the middle part lubrication of roller 4 through defeated oil pipe 6, makes roller 4's emollient coating efficiency higher, and the coating effect is more, and outer fender ring 11 and sealing washer 12 have improved roller 4's leakproofness, prevents that the dust from hindering the roll of roller 9, influences the production of spiral weld pipe.
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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a forming die of stainless steel construction spiral welded tube, includes running roller and roller, its characterized in that: the inner side of the roller is provided with a bearing inner ring; a roller is arranged between the bearing inner ring and the roller wheel; an oil cavity is formed among the roller wheel, the roller, the bearing inner ring and the roller shaft; an oil delivery pipe is arranged on the inner ring of the bearing, one end of the oil delivery pipe is communicated with the oil cavity, and the other end of the oil delivery pipe is connected with the side wall of the roller; the end and the inside of the roll shaft are respectively provided with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe is communicated with the oil outlet pipe, and two ends of the oil outlet pipe are communicated with the oil cavity.
2. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 1, wherein: the central axis of the roller forms an included angle of 30 degrees with the horizontal plane.
3. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 2, wherein: the roller and the bearing inner ring are provided with inclined planes matched with the roller.
4. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 1, wherein: the lateral wall of roller is equipped with annular protrusion, annular protrusion with the lateral wall of bearing inner race meets, the oil outlet pipe is located in the annular protrusion.
5. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 1, wherein: and outer baffle rings are arranged between the two ends of the roller and the roller shaft.
6. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 5, wherein: and a sealing ring is arranged between the outer baffle ring and the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789193.4U CN212744707U (en) | 2020-05-13 | 2020-05-13 | Forming die of stainless steel structure spiral welded pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789193.4U CN212744707U (en) | 2020-05-13 | 2020-05-13 | Forming die of stainless steel structure spiral welded pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744707U true CN212744707U (en) | 2021-03-19 |
Family
ID=75004322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020789193.4U Expired - Fee Related CN212744707U (en) | 2020-05-13 | 2020-05-13 | Forming die of stainless steel structure spiral welded pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744707U (en) |
-
2020
- 2020-05-13 CN CN202020789193.4U patent/CN212744707U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |