CN210305222U - Self-lubricating device for large-diameter thin-wall pipe elbow - Google Patents
Self-lubricating device for large-diameter thin-wall pipe elbow Download PDFInfo
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- CN210305222U CN210305222U CN201921158516.3U CN201921158516U CN210305222U CN 210305222 U CN210305222 U CN 210305222U CN 201921158516 U CN201921158516 U CN 201921158516U CN 210305222 U CN210305222 U CN 210305222U
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Abstract
The utility model discloses a self-lubricating device for large-diameter thin-wall pipe elbow, including electronic oil feeding device, electronic oil feeding device includes oil tank, oil pump and oil pipe, the oil pump passes through bolt fixed mounting in the top of oil tank, oil pipe installs on the output of oil pump, oil pipe's the other end is connected with return bend oiling pull rod, return bend oiling pull rod is hollow structure, the other end threaded connection of return bend oiling pull rod has universal plug, it has a plurality of oil outlets to open on the return bend plug surface of universal plug, this self-lubricating device for large-diameter thin-wall pipe elbow, reasonable in design, simple structure, device life is more of a specified duration, and the abundant lubrication of oil film has greatly reduced the friction of plug with the inside pipe wall during the return bend, better protection the plug.
Description
Technical Field
The utility model relates to a return bend technical field specifically is a self-lubricating device for big pipe diameter thin wall pipe elbow.
Background
Quality defects such as cross section shape distortion, fracture, instability and wrinkling are often easily generated when the large-diameter thin-walled pipe is bent in a numerical control mode at present, so that a straight-through bent pipe is adopted when the pipe is bent, a universal core rod penetrates into a steel pipe, a spherical sleeve is bent along with the pipe in the bending process of the pipe and is tightly attached to the inner surface of the pipe, the pipe is supported in a circle in the whole bending process, the flowing of materials is limited, and the effects of reducing the cross section shape distortion and the instability and wrinkling of the bent pipe are achieved; the actual bending process must keep the pipe and the core rod sufficiently lubricated, otherwise the friction force is increased, and the pipe is easy to strain, crack and wrinkle. In the prior art, before a pipe is bent, a brush is used for smearing stretching oil on the surface of a core rod, the pipe passes through the core rod back and forth to enable the inner wall of the pipe to contact the stretching oil as much as possible and then the pipe bending is started, however, the pipe bending fails due to insufficient lubrication of the inner wall of the pipe, and particularly, the pipe bending fails due to insufficient lubrication of the core rod when a product with more bent parts is produced, so that the problem needs to be solved by the invention of the self-lubricating device for the large-diameter thin-wall pipe bending.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-lubricating device for big pipe diameter thin wall pipe elbow to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-diameter thin wall is self-lubricating arrangement for pipe elbow, includes electronic oil feeding device, electronic oil feeding device includes oil tank, oil pump and oil pipe, the oil pump passes through bolt fixed mounting in the top of oil tank, oil pipe installs on the output of oil pump, oil pipe's the other end is connected with return bend oiling pull rod, return bend oiling pull rod is hollow structure, the other end threaded connection of return bend oiling pull rod has universal plug, it has a plurality of oil outlets to open on the return bend plug surface of universal plug.
Preferably, the lubricating oil is introduced into the inner cavity of the elbow oiling pull rod.
Preferably, be provided with the bar groove on the surface of universal plug, interconnect between the oil outlet is gone out to the bar groove.
Preferably, the input end of the oil pump extends to the inside of the oil tank, and the inside of the oil tank stores lubricating oil.
Preferably, a gasket is sleeved at the joint of the elbow oil injection pull rod and the universal core rod.
Compared with the prior art, the beneficial effects of the utility model are as follows: the electric oil feeding device is connected with one end of the elbow oiling pull rod through an oil pipe, lubricating oil is injected into a hollow cavity of the elbow oiling pull rod through the oil pipe, the other end of the elbow oiling pull rod is connected with one end of the universal mandrel through a thread seal, after the elbow oiling pull rod is filled with the lubricating oil, the lubricating oil in the elbow oiling pull rod can be conveyed to the outer surface of the universal mandrel and the inner part of a pipe through an oil outlet hole of the universal mandrel, so that layer oil film lubrication is formed between the universal mandrel and the inner wall of the pipe, when a bending program stops, the electric oil feeding device stops oiling, stable bending can be realized no matter how many bending positions of a product are, the difficult technological situation of bending the large-diameter thin-wall pipe is greatly improved, the self-lubricating device for the large-diameter thin-wall pipe is reasonable in design, simple in structure and longer in service life, and the friction, the core rod is better protected, manual operation is not needed, the efficiency is high, oil pollution of fields and equipment caused by manual lubricating oil coating is avoided, the lubricating effect is better, and the product quality is more stable; the stability of the multi-bending product bent pipe of the large-diameter thin-walled pipe is greatly improved, the bent pipe is better formed, the core rod and the inner wall of the pipe are lubricated by a layer of oil film, and the process problems of pulling, bending deformation, wrinkling and the like of the inner wall of the pipe are greatly reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic side view of the present invention.
In the figure: 1. an electric oil supply device; 101. an oil tank; 102. an oil pump; 103. an oil pipe; 2. the bent pipe is filled with oil and pulled; 3. a universal mandrel; 4. an oil outlet hole; 5. a strip-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the self-lubricating device for the large-diameter thin-wall pipe elbow comprises an electric oil feeding device 1, wherein the electric oil feeding device 1 comprises an oil tank 101, an oil pump 102 and an oil pipe 103, the oil pump 102 is fixedly installed above the oil tank 101 through a bolt, the oil pipe 103 is installed at the output end of the oil pump 102, the other end of the oil pipe 103 is connected with an elbow oiling pull rod 2, the elbow oiling pull rod 2 is of a hollow structure, the other end of the elbow oiling pull rod 2 is in threaded connection with a universal core rod 3, and a plurality of oil outlet holes 4 are formed in the outer surface of the elbow core rod of the universal core rod 3.
Specifically, the leading-in lubricating oil of inside cavity of return bend oiling pull rod 2, be provided with bar groove 5 on universal plug 3's the surface, bar groove 5 is with interconnect between oil outlet 4, the input of oil pump 102 extends to the inside of oil tank 101, and the inside storage of oil tank 101 has lubricating oil, return bend oiling pull rod 2 has the gasket with universal plug 3's junction cover.
The working principle is as follows: when in use, the electric oil supply device 1 is connected with one end of the elbow oil injection pull rod 2 through the oil pipe 103, lubricating oil is injected into a hollow cavity of the elbow oil injection pull rod 2 through the oil pipe 103, the other end of the elbow oil injection pull rod 2 is connected with one end of the universal core rod 3 through thread sealing, after the elbow oil injection pull rod 2 is filled with the lubricating oil, the lubricating oil in the elbow oil injection pull rod 2 can be conveyed to the outer surface of the universal core rod 3 and the inner part of a pipe through the oil outlet hole 4 of the universal core rod 3, so that layered oil film lubrication is engraved on the universal core rod 3 and the inner wall of the pipe, when the bending procedure is stopped, the electric oil supply device 1 stops oil injection, no more bending parts of the product are needed, stable bending can be realized, the process situation that the bending of the large-diameter thin-wall pipe is difficult is greatly improved, the self-lubricating device for the large-diameter thin-wall pipe is reasonable in design, simple in, the core rod is better protected.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a large diameter of pipe is self-lubricating device for thin wall pipe elbow, includes electronic oil feeding device (1), its characterized in that: electronic oil feeding device (1) includes oil tank (101), oil pump (102) and oil pipe (103), oil pump (102) pass through bolt fixed mounting in the top of oil tank (101), install on the output of oil pump (102) oil pipe (103), the other end of oil pipe (103) is connected with return bend oiling pull rod (2), return bend oiling pull rod (2) are hollow structure, the other end threaded connection of return bend oiling pull rod (2) has universal plug (3), it has a plurality of oil outlet (4) to open on the return bend plug surface of universal plug (3).
2. The self-lubricating device for the large-diameter thin-wall pipe elbow, according to claim 1, is characterized in that: lubricating oil is introduced into the inner cavity of the bent pipe oiling pull rod (2).
3. The self-lubricating device for the large-diameter thin-wall pipe elbow, according to claim 1, is characterized in that: be provided with bar groove (5) on the surface of universal plug (3), interconnect between oil outlet (4) is gone up in bar groove (5).
4. The self-lubricating device for the large-diameter thin-wall pipe elbow, according to claim 1, is characterized in that: the input end of the oil pump (102) extends to the inside of the oil tank (101), and lubricating oil is stored in the oil tank (101).
5. The self-lubricating device for the large-diameter thin-wall pipe elbow, according to claim 1, is characterized in that: the joint of the elbow oiling pull rod (2) and the universal mandrel (3) is sleeved with a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158516.3U CN210305222U (en) | 2019-07-23 | 2019-07-23 | Self-lubricating device for large-diameter thin-wall pipe elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158516.3U CN210305222U (en) | 2019-07-23 | 2019-07-23 | Self-lubricating device for large-diameter thin-wall pipe elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210305222U true CN210305222U (en) | 2020-04-14 |
Family
ID=70125096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921158516.3U Active CN210305222U (en) | 2019-07-23 | 2019-07-23 | Self-lubricating device for large-diameter thin-wall pipe elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210305222U (en) |
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2019
- 2019-07-23 CN CN201921158516.3U patent/CN210305222U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No. 907, Binjiang West Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Yaokun Hydraulic Co., Ltd Address before: 214000 xixishu village, Lingang street, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYIN HYDRAULIC OIL TUBE Co.,Ltd. |
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| CP03 | "change of name, title or address" |