CN211803071U - Improved structure of piercing plug - Google Patents
Improved structure of piercing plug Download PDFInfo
- Publication number
- CN211803071U CN211803071U CN202020140633.3U CN202020140633U CN211803071U CN 211803071 U CN211803071 U CN 211803071U CN 202020140633 U CN202020140633 U CN 202020140633U CN 211803071 U CN211803071 U CN 211803071U
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- wear
- resistant layer
- plug body
- plug
- improved structure
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Abstract
The utility model discloses an improved structure of a piercing plug, which is characterized in that the interior of a plug body is hollow, a wear-resistant layer is arranged on the exterior of the plug body, and the wear-resistant layer is wrapped on the outer surface of the plug body to form a bullet shape; the plug body and the wear-resistant layer are provided with a through airflow channel, the plug body and the wear-resistant layer are connected and fixed through a fastening bolt, and the fastening bolt is arranged on the inner surface of the plug body; the airflow channel is arranged in the middle of the plug body and the wear-resistant layer; the thickness of the front end of the wear-resistant layer is larger than that of the side wall of the wear-resistant layer; a gap is arranged between the plug body and the wear-resistant layer; the outer surface of the side wall of the wear-resistant layer is provided with a stepped structure; the ladder structure consists of a plurality of steps; the height of the step is gradually reduced from the head part to the tail part of the wear-resistant layer. The novel LED lamp has the advantages of simple structure, good stability, good heat dissipation effect, long service life, capability of being locally replaced, rapidness and convenience in replacement and reduction in use cost.
Description
Technical Field
The utility model relates to a field of top especially relates to an improve structure of perforation top.
Background
The piercing plug is one of important dies in the production of seamless steel tubes, and is directly contacted with a high-temperature billet in the piercing process, and the head temperature of the piercing plug is up to about 1300 ℃ during finish rolling, so that the piercing plug bears the action of huge axial pressure, radial stress and surface friction force. The working environment of the perforating plug is severe, so that the service life of the perforating plug is short; in the prior art, the whole of the top head is replaced, and frequent replacement not only increases the use cost, but also influences the production efficiency.
Disclosure of Invention
The utility model aims at providing an improved structure of a perforating plug, which has simple structure, good stability and long service life; the technical problem is solved.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: an improved structure of a perforating plug comprises a plug body; the method is characterized in that: the inner part of the plug body is hollow, a wear-resistant layer is arranged on the outer part of the plug body, and the wear-resistant layer wraps the outer surface of the plug body to form a bullet shape; the top body and the wear-resistant layer are provided with a through airflow channel, the top body and the wear-resistant layer are fixedly connected through a fastening bolt, and the fastening bolt is arranged on the inner surface of the top body.
Preferably: the airflow channel is arranged in the middle of the plug body and the wear-resistant layer.
Preferably: the thickness of the front end of the wear-resistant layer is larger than that of the side wall of the wear-resistant layer.
Preferably: a gap is arranged between the plug body and the wear-resistant layer.
Preferably: the outer surface of the side wall of the wear-resistant layer is provided with a stepped structure; the ladder structure is composed of a plurality of steps.
Preferably: the height of the step is gradually reduced from the head to the tail of the wear-resistant layer.
The utility model has the advantages that; an improved structure of a piercing plug, compared with a conventional structure: the airflow channel penetrates through the plug body and is communicated with the interior of the plug body, so that air is circulated, and the heat dissipation effect is improved; the plug body and the wear-resistant layer are fixedly connected through the fastening bolts arranged on the inner surface of the plug body, the mounting and dismounting are simple and convenient, the time and labor are saved, the operation is convenient, the working efficiency is improved, and the use cost is reduced. The outer surface of the side wall of the wear-resistant layer is provided with a stepped structure, and the stepped structure consists of a plurality of steps; the oxide layer is not easy to fall off, so that the service life of the piercing plug is prolonged; the airflow channel is arranged in the middle of the plug body and the wear-resistant layer, so that the quality of perforation is ensured; the thickness of the front end of the wear-resistant layer is larger than that of the side wall of the wear-resistant layer, so that the wear resistance of the plug is better; the utility model discloses simple structure, stability is good, and the radiating effect is good, and long service life can change locally, and it is convenient fast to change, reduces use cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a plug body; 2. a wear layer; 2-1, front end; 2-2. side wall; 3. an air flow channel; 4. fastening a bolt; 5. a stepped structure; 5-1, step.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: an improved structure of a perforating plug comprises a plug body 1; the method is characterized in that: the inside of the plug body 1 is hollow, the wear-resistant layer 2 is arranged outside the plug body 1, and the wear-resistant layer 2 wraps the outer surface of the plug body 1 to form a bullet shape; be provided with the air current passageway 3 that runs through on top body 1 and the wearing layer 2, be connected fixedly through fastening bolt 4 between top body 1 and the wearing layer 2, fastening bolt 4 sets up the internal surface at top body 1.
The airflow channel 3 is arranged in the middle of the plug body 1 and the wear-resistant layer 2; the thickness of the front end 2-1 of the wear-resistant layer 2 is greater than that of the side wall 2-2 of the wear-resistant layer 2; a gap is arranged between the plug body 1 and the wear-resistant layer 2; the outer surface of the side wall 2-2 of the wear-resistant layer 2 is provided with a stepped structure 5; the ladder structure 5 consists of a plurality of steps 5-1; the height of the step 5-1 is gradually reduced from the head part to the tail part of the wear-resistant layer 2.
The utility model discloses a concrete implementation: the airflow channel penetrates through the plug body and is communicated with the interior of the plug body, so that air is circulated, and the heat dissipation effect is improved; a gap is formed between the plug body and the wear-resistant layer, and part of heat can also enter the airflow channel through the gap so as to dissipate heat; the service life of the plug can be prolonged due to good heat dissipation performance; the plug body and the wear-resistant layer are connected and fixed through the fastening bolt arranged on the inner surface of the plug body, the mounting and dismounting are simple and convenient, time and labor are saved, when the wear-resistant layer has cracks, abrasion, pits and other phenomena, the fastening bolt is dismounted, and a new wear-resistant layer is replaced again and fastened and connected; the whole plug does not need to be replaced, the operation is convenient, the working efficiency is improved, and the use cost is reduced. The outer surface of the side wall of the wear-resistant layer is provided with a stepped structure, and the stepped structure consists of a plurality of steps; in the punching operation, the root of the step is tightly occluded, the thickness of the top of the step is obviously thicker than other positions, and an oxide layer is not easy to fall off, so that the service life of the punching plug is prolonged; the airflow channel is arranged in the middle of the plug body and the wear-resistant layer, so that the quality of perforation is ensured, and the phenomena of unsmooth inner hole, scratches and the like of the seamless steel pipe are avoided; the thickness of the front end of the wear-resistant layer is larger than that of the side wall of the wear-resistant layer, so that the wear-resistant performance of the plug is better, and the deformation of the front end of the plug is avoided.
The utility model discloses simple structure, stability is good, and the radiating effect is good, and long service life can change locally, and it is convenient fast to change, reduces use cost.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (6)
1. An improved structure of a perforating plug comprises a plug body (1); the method is characterized in that: the inner part of the plug body (1) is hollow, the outer part of the plug body (1) is provided with a wear-resistant layer (2), and the wear-resistant layer (2) wraps the outer surface of the plug body (1) to form a bullet shape; the plug body (1) and the wear-resistant layer (2) are provided with a through airflow channel (3), the plug body (1) and the wear-resistant layer (2) are fixedly connected through a fastening bolt (4), and the fastening bolt (4) is arranged on the inner surface of the plug body (1).
2. The improved structure of a piercing plug as set forth in claim 1, wherein: the airflow channel (3) is arranged in the middle of the plug body (1) and the wear-resistant layer (2).
3. The improved structure of a piercing plug as set forth in claim 1, wherein: the thickness of the front end (2-1) of the wear-resistant layer (2) is larger than that of the side wall (2-2) of the wear-resistant layer (2).
4. The improved structure of a piercing plug as set forth in claim 1, wherein: a gap is arranged between the plug body (1) and the wear-resistant layer (2).
5. The improved structure of a piercing plug as set forth in claim 1, wherein: the outer surface of the side wall (2-2) of the wear-resistant layer (2) is provided with a stepped structure (5); the ladder structure (5) is composed of a plurality of steps (5-1).
6. The improved structure of a piercing plug as set forth in claim 5, wherein: the height of the step (5-1) is gradually reduced from the head part to the tail part of the wear-resistant layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140633.3U CN211803071U (en) | 2020-01-22 | 2020-01-22 | Improved structure of piercing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140633.3U CN211803071U (en) | 2020-01-22 | 2020-01-22 | Improved structure of piercing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211803071U true CN211803071U (en) | 2020-10-30 |
Family
ID=72992375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140633.3U Expired - Fee Related CN211803071U (en) | 2020-01-22 | 2020-01-22 | Improved structure of piercing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211803071U (en) |
-
2020
- 2020-01-22 CN CN202020140633.3U patent/CN211803071U/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: 20201030 Termination date: 20220122 |