CN210253894U - Stainless steel pipe rounding device - Google Patents
Stainless steel pipe rounding device Download PDFInfo
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- CN210253894U CN210253894U CN201921240357.1U CN201921240357U CN210253894U CN 210253894 U CN210253894 U CN 210253894U CN 201921240357 U CN201921240357 U CN 201921240357U CN 210253894 U CN210253894 U CN 210253894U
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- steel pipe
- stainless steel
- drain hole
- oil drain
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Abstract
The utility model provides a nonrust steel pipe rounding device belongs to mechanical technical field. The stainless steel pipe rounding device comprises a shell with an oil port at the top, wherein the left end of the shell is open, the right end of the shell is provided with an extending port, a tungsten steel ring is arranged outside the left end of the shell, a pressing cap is screwed outside the left end of the shell, an annular convex shoulder is arranged on the inner wall of the pressing cap, the tungsten steel ring is clamped between the left end face of the shell and the annular convex shoulder, a felt pipe is fixedly connected in the extending port in a sealing manner, the hole wall of an inner hole of the annular convex shoulder comprises a conical surface and a circumferential surface which are distributed along the axial direction of the annular convex shoulder, the circumferential surface is positioned between the conical surface and the tungsten steel ring, the diameter of the conical surface; the pressure cap is provided with an oil discharge hole which penetrates through the pressure cap along the vertical direction, the lower port of the oil discharge hole is positioned on the bottom wall of the pressure cap, the upper port of the oil discharge hole is positioned on the circumferential surface, and the pressure cap can be also detachably and fixedly connected with a plugging piece which seals the lower port of the oil discharge hole. This whole circle device of stainless steel pipe has the problem of not taking oil.
Description
Technical Field
The utility model belongs to the technical field of machinery, a full circle device, especially a stainless steel pipe full circle device is related to.
Background
The stainless steel pipe is divided into a seamless pipe and a welded pipe according to the production mode, the seamless steel pipe can be divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe and the like, and cold drawing and cold rolling are secondary processing of the steel pipe; the welded pipe is divided into a straight welded pipe, a spiral welded pipe and the like, and no matter which forming process is adopted, the roundness of the stainless steel pipe is difficult to ensure after the stainless steel pipe is formed, so that the stainless steel pipe is required to be subjected to a rounding process, and a rounding die is usually penetrated through the stainless steel pipe.
The existing rounding die is like the rounding die for stainless steel pipes previously proposed by the applicant (application number: 201420385256.4 the one end of casing is the opening form including the casing that is the tube-shape and being annular tungsten steel mould, the open end of casing has linked firmly an end cover, and above-mentioned tungsten steel mould links firmly between end cover and casing, has seted up the through-hole in the centre of a circle position of end cover, the internal diameter of tungsten steel mould is less than the through-hole internal diameter, the centre bore has been seted up on the other end terminal surface of casing, can dismantle in the centre bore and link firmly an annular connecting seat, circumference has linked firmly the felt on the connecting seat inner wall, connecting seat, tungsten steel mould and end cover set up with the axle center. When the die is used, the shell is filled with lubricating oil.
The above-described mold has a problem: the stainless steel pipe can bring some lubricating oil out of the shell from the tungsten steel die in the moving process, so that the lubricating oil is wasted, and the whole processing environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a nonrust steel pipe rounding device, the technical problem of solution is how to reduce lubricating oil extravagant.
The purpose of the utility model can be realized by the following technical proposal: the stainless steel pipe rounding device comprises a shell with an oil port at the top, wherein the left end of the shell is open, the right end of the shell is provided with an extending port, a tungsten steel ring is arranged outside the left end of the shell, a pressing cap is screwed outside the left end of the shell, an annular convex shoulder is arranged on the inner wall of the pressing cap, the tungsten steel ring is clamped between the left end face of the shell and the annular convex shoulder, and a felt pipe is hermetically and fixedly connected in the extending port; the pressure cap on have along the vertical direction oil drain hole that runs through the setting, the lower port in oil drain hole is located the diapire of pressure cap, and the last port in oil drain hole is located the periphery, the pressure cap on still can dismantle and link firmly the shutoff piece with oil drain hole lower port confined.
When the oil collecting device is used, lubricating oil discharged from the inner hole of the tungsten steel ring or flowing down from the stainless steel pipe flows downwards into the inner hole of the annular retaining shoulder and is collected on the circumferential surface under the guidance of the conical surface, and when the lubricating oil is collected too much, the blocking piece is detached, so that the lubricating oil is discharged from the oil discharge hole to be recycled.
In the above stainless steel pipe rounding device, the smooth transition between the conical surface and the circumferential surface allows the lubricating oil to flow more smoothly.
In the above stainless steel pipe rounding device, the lower end of the oil discharge hole is provided with an internal thread, the plugging piece is a bolt, the bolt is screwed in the oil discharge hole, and the head of the bolt is positioned outside the oil discharge hole. By adopting the design, the device has the advantages of simple structure and convenience in installation.
In the above stainless steel pipe rounding device, the outer side wall of the rod part of the bolt is provided with an annular groove, a 0-shaped ring is arranged in the annular groove, and the outer side wall of the 0-shaped ring is abutted against the wall of the oil drain hole. Under the action of the 0-shaped ring, the sealing effect formed between the bolt and the wall of the oil drainage hole is effectively enhanced.
As another scheme, in the above stainless steel pipe rounding device, the plugging member is a cylindrical plug, a side wall of the plug is in close contact with a wall of the oil drain hole to form a seal, and an outer end of the plug extends out of the oil drain hole.
In the above stainless steel pipe rounding device, the inner side wall of the right end of the tungsten steel ring is provided with a conical guide surface, and the guide surface extends to the right end surface of the tungsten steel ring, so that the stainless steel pipe can be inserted into the stainless steel ring more easily for rounding.
Compared with the prior art, when the stainless steel pipe rounding device is used, lubricating oil discharged from the inner hole of the tungsten steel pipe or flowing down from the stainless steel pipe flows downwards into the inner hole of the annular retaining shoulder and is gathered on the circumferential surface under the guidance of the conical surface, and when the lubricating oil is gathered too much, the blocking piece is detached, so that the lubricating oil is discharged from the oil discharge hole to be recycled, the lubricating oil is effectively prevented from being wasted, and the cost is saved.
Drawings
FIG. 1 is a schematic structural view of the stainless steel pipe rounding device.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
In the figure, 1, a housing; 1a, an oil port; 2. a base; 3. a tungsten steel ring; 3a, a guide surface; 4. pressing the cap; 4a, an annular shoulder; 4a1, a conical surface; 4a2, circumferential surface; 4b, an oil drain hole; 5. an annular seal; 6. a felt tube; 7. a connecting pipe; 8. a blocking member; 9. 0-shaped ring.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the stainless steel pipe rounding device comprises a housing 1 provided with an oil port 1a at the top, and a base 2 is fixed at the bottom of the housing 1. When the lubricating oil filling device is used, lubricating oil is filled into the shell 1 through the oil port 1a, and the shell 1 is filled with the lubricating oil.
Specifically, the left end of the shell 1 is open, the right end of the shell 1 is provided with an extending port, and the extending port and the shell 1 are arranged coaxially. As shown in figure 1, a tungsten steel ring 3 is arranged outside the left end of the shell 1, a pressure cap 4 is screwed outside the left end of the shell 1, an annular shoulder 4a is arranged on the inner wall of the pressure cap 4, and the tungsten steel ring 3 is clamped between the left end surface of the shell 1 and the annular shoulder 4 a. That is, the left and right end faces of the tungsten steel ring 3 are in close contact with the right end face of the annular shoulder 4a and the left end face of the housing 1, respectively. In this embodiment, an annular gasket 5 is further provided between the tungsten steel ring 3 and the housing 1 to enhance the seal formed between the tungsten steel ring 3 and the housing 1. The stretching openings are fixedly connected with felt tubes 6 in a sealing manner, and two ends of the felt tubes 6 extend out of the stretching openings. In the present embodiment, the felt tube 6 is mounted as follows: 6 overcoat of felt pipe has connecting pipe 7, and connecting pipe 7 is worn to establish in stretching into the mouth, and connecting pipe 7 and casing 1 link firmly through the welding mode is sealed, and the inside wall of connecting pipe 7 and the lateral wall of felt pipe 6 paste and lean on and form sealedly. Further, a sealing ring is disposed between the connecting pipe 7 and the housing 1 to enhance the sealing effect between the connecting pipe 7 and the housing 1.
As shown in FIG. 1, the hole wall of the inner hole of the annular shoulder 4a comprises a tapered surface 4a1 and a circumferential surface 4a2 distributed along the axial direction of the annular shoulder 4a, and the circumferential surface 4a2 is located between the tapered surface 4a1 and the tungsten steel ring 3. The diameter of the tapered surface 4a1 gradually increases from left to right, the tapered surface 4a1 is connected with the circumferential surface 4a2, the smooth transition between the tapered surface 4a1 and the circumferential surface 4a2 is preferably used to make the lubricating oil flow more smoothly, and the circumferential surface 4a2 extends to the right end surface of the annular shoulder 4 a. The pressure cap 4 is provided with an oil discharge hole 4b which penetrates through the pressure cap 4 along the vertical direction, the lower port of the oil discharge hole 4b is positioned on the bottom wall of the pressure cap 4, the upper port of the oil discharge hole 4b is positioned on the circumferential surface 4a2, and the pressure cap 4 can be also detachably and fixedly connected with a plugging piece 8 which seals the lower port of the oil discharge hole 4 b.
In this embodiment, as shown in fig. 2, the lower end of the oil drain hole 4b is provided with an internal thread, the plugging member 8 is a bolt, the bolt is screwed in the oil drain hole 4b, and the head of the bolt is located outside the oil drain hole 4 b. Further, an annular groove is formed in the outer side wall of the rod portion of the bolt, a 0-shaped ring 9 is arranged in the annular groove, and the outer side wall of the 0-shaped ring 9 abuts against the hole wall of the oil drain hole 4 b. And under the action of the 0-shaped ring 9, the sealing effect formed between the bolt and the wall of the oil drain hole 4b is effectively enhanced.
As shown in fig. 1, a tapered guide surface 3a is provided on the inner side wall of the right end of the tungsten steel ring 3, and the guide surface 3a extends to the right end surface of the tungsten steel ring 3, so that the stainless steel pipe can be easily inserted for rounding.
When the oil-collecting device is used, lubricating oil discharged from the inner hole of the tungsten steel ring 3 or flowing down from the stainless steel pipe flows downwards into the inner hole of the annular retaining shoulder and is collected on the circumferential surface 4a2 under the guidance of the conical surface 4a1, and when the lubricating oil is collected too much, the blocking piece 8 is detached, so that the lubricating oil is discharged from the oil discharge hole 4b to realize recycling.
Example two
The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: the plugging piece 8 is a columnar plug, the side wall of the plug is in close contact with the wall of the oil drain hole 4b to form sealing, and the outer end of the plug extends out of the oil drain hole 4 b.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A stainless steel pipe rounding device comprises a shell (1) provided with an oil port (1a) at the top, the left end of the shell (1) is open, the right end of the shell (1) is provided with an inlet, a tungsten steel ring (3) is arranged outside the left end of the shell (1), a press cap (4) is screwed outside the left end of the shell (1), an annular convex shoulder (4a) is arranged on the inner wall of the press cap (4), the tungsten steel ring (3) is clamped between the left end surface of the shell (1) and the annular convex shoulder (4a), and a felt pipe (6) is hermetically and fixedly connected in the inlet, the stainless steel pipe rounding device is characterized in that the hole wall of an inner hole of the annular convex shoulder (4a) comprises a conical surface (4a1) and a circumferential surface (4a2) which are axially distributed along the annular convex shoulder (4a), the conical surface (4a2) is positioned between the annular convex shoulder (4a1) and the tungsten steel ring (3), the diameter of the conical surface (4a1) is gradually increased from left to right, and the conical, and the circumferential surface (4a2) extends to the right end surface of the annular shoulder (4 a); pressure cap (4) on have along oil drain hole (4b) that vertical direction runs through the setting, the lower port of oil drain hole (4b) is located the diapire of pressure cap (4), and the last port of oil drain hole (4b) is located periphery (4a2), pressure cap (4) on still can dismantle and link firmly with oil drain hole (4b) lower port confined shutoff piece (8).
2. The stainless steel pipe rounding device according to claim 1, characterized in that a smooth transition is provided between the conical surface (4a1) and the circumferential surface (4a 2).
3. The stainless steel pipe rounding device according to claim 1 or 2, wherein the lower end of the oil drain hole (4b) is provided with an internal thread, the plugging member (8) is a bolt screwed into the oil drain hole (4b), and the head of the bolt is located outside the oil drain hole (4 b).
4. The stainless steel pipe rounding device according to claim 3, wherein an annular groove is formed in the outer side wall of the rod portion of the bolt, a 0-shaped ring (9) is arranged in the annular groove, and the outer side wall of the 0-shaped ring (9) abuts against the wall of the oil drain hole (4 b).
5. The stainless steel pipe rounding device according to claim 1 or 2, wherein the plugging member (8) is a cylindrical plug, the side wall of the plug is in close contact with the wall of the oil drain hole (4b) to form a seal, and the outer end of the plug extends out of the oil drain hole (4 b).
6. The stainless steel pipe rounding device according to claim 1, wherein the inner side wall of the right end of the tungsten steel ring (3) is provided with a tapered guide surface (3a), and the guide surface (3a) extends to the right end face of the tungsten steel ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240357.1U CN210253894U (en) | 2019-08-01 | 2019-08-01 | Stainless steel pipe rounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240357.1U CN210253894U (en) | 2019-08-01 | 2019-08-01 | Stainless steel pipe rounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210253894U true CN210253894U (en) | 2020-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921240357.1U Active CN210253894U (en) | 2019-08-01 | 2019-08-01 | Stainless steel pipe rounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210253894U (en) |
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2019
- 2019-08-01 CN CN201921240357.1U patent/CN210253894U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Stainless steel pipe rounding device Effective date of registration: 20210916 Granted publication date: 20200407 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wenling branch Pledgor: ZHEJIANG SHUANGSEN METAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021330001649 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211130 Granted publication date: 20200407 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wenling branch Pledgor: ZHEJIANG SHUANGSEN METAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021330001649 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Stainless steel pipe rounding device Effective date of registration: 20220415 Granted publication date: 20200407 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wenling branch Pledgor: ZHEJIANG SHUANGSEN METAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022330000536 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |