CN207138611U - The anti-shrinkage cavity device of roller sheet pipe - Google Patents
The anti-shrinkage cavity device of roller sheet pipe Download PDFInfo
- Publication number
- CN207138611U CN207138611U CN201721075480.3U CN201721075480U CN207138611U CN 207138611 U CN207138611 U CN 207138611U CN 201721075480 U CN201721075480 U CN 201721075480U CN 207138611 U CN207138611 U CN 207138611U
- Authority
- CN
- China
- Prior art keywords
- pull bar
- plug
- tightening piece
- roller sheet
- packing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Pipe Accessories (AREA)
Abstract
The utility model discloses a kind of anti-shrinkage cavity device of roller sheet pipe.The plug, pull bar, positioner；The pull bar front end is provided with plug, the pull bar tail end is provided with positioner, the positioner includes tightening piece, plane bearing, packing ring, the plane bearing both sides are provided with packing ring, the plane bearing, packing ring are sleeved on pull bar, the tightening piece is double nut, and tightening piece is sleeved on pull bar and is connected with by pull bar afterbody gasket；By the position of tightening piece adjusting yoke front end plug, plug is set to be in milling train blade position, the plug provides outside tension force for roller sheet pipe.The utility model is in blade position by plug, and the tension force of the inside extruding of resistance blade is produced in rolled finned tube, avoids roller sheet pipe and produces shrinkage cavity phenomenon, ensures qualified hole size.
Description
Technical field：
The utility model belongs to fin roll technical field, more particularly to a kind of anti-shrinkage cavity device of roller sheet pipe.
Background technology：
When using mill milling finned tube, due to being extruded by blade, roller sheet pipe can produce shrinkage cavity phenomenon so that wing
Piece pipe orifice size can diminish to a certain degree.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content：
The purpose of this utility model is to provide a kind of anti-shrinkage cavity device of roller sheet pipe, above-mentioned of the prior art so as to overcome
Defect.
To achieve the above object, the utility model provides a kind of anti-shrinkage cavity device of roller sheet pipe, including：Plug, pull bar, determine
Position device；The pull bar front end is provided with plug, and the pull bar tail end is provided with positioner, and the positioner includes tightening
Part, plane bearing, packing ring, the plane bearing both sides are provided with packing ring, and the plane bearing, packing ring are sleeved on pull bar, institute
It is double nut to state tightening piece, and tightening piece is sleeved on pull bar and is connected with by pull bar afterbody gasket；Adjusted by tightening piece
The position of pull bar front end plug, makes plug be in milling train blade position, and the plug provides outside tension force for roller sheet pipe.
Compared with prior art, the utility model has the advantages that：
Blade position is in by plug, the tension force of the inside extruding of resistance blade is produced in rolled finned tube, is avoided
Roller sheet pipe produces shrinkage cavity phenomenon, ensures qualified hole size.
Brief description of the drawings：
Fig. 1 is the anti-shrinkage cavity device structural representation of the utility model roller sheet pipe；
Reference is：1- plugs, 2- pull bars, 3- positioners, 4- tightening pieces, 5- plane bearings, 6- packing rings, 7- roller sheets
Pipe, 8- milling train blades.
Embodiment：
Specific embodiment of the present utility model is described in detail below, it is to be understood that protection of the present utility model
Scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in figure 1, a kind of anti-shrinkage cavity device of roller sheet pipe, including：Plug 1, pull bar 2, positioner 3；Before the pull bar 2
End is provided with plug 1, and the tail end of pull bar 2 is provided with positioner 3, and the positioner 3 includes tightening piece 4, plane bearing
5th, packing ring 6, the both sides of plane bearing 5 are provided with packing ring 6, and the plane bearing 5, packing ring 6 are sleeved on pull bar 2, described flat
Spherical bearing 5 can be that pull bar 2 can reduce frictional force when rotating, and the tightening piece 4 is double nut, and tightening piece 4 is sleeved on pull bar 2
And it is connected with by the afterbody gasket 6 of pull bar 2；By the position of the front end plug 1 of 4 adjusting yoke of tightening piece 2, it is in plug 1
The position of milling train blade 8, the plug 1 produce the tension force of the inside extruding of resistance blade in rolled finned tube, avoid roller sheet
Pipe 7 produces shrinkage cavity phenomenon, ensures qualified hole size.
The foregoing description to specific illustrative embodiment of the present utility model is to illustrate and the purpose of illustration.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explain certain principles of the present utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the present utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (1)
- A kind of 1. anti-shrinkage cavity device of roller sheet pipe, it is characterised in that：Including plug, pull bar, positioner；The pull bar front end is set There is plug, the pull bar tail end is provided with positioner, and the positioner includes tightening piece, plane bearing, packing ring, described flat Spherical bearing both sides are provided with packing ring, and the plane bearing, packing ring are sleeved on pull bar, and the tightening piece is double nut, tightening piece It is sleeved on pull bar and is connected with by pull bar afterbody gasket；By the position of tightening piece adjusting yoke front end plug, make core Rod is in milling train blade position, and the plug provides outside tension force for roller sheet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721075480.3U CN207138611U (en) | 2017-08-25 | 2017-08-25 | The anti-shrinkage cavity device of roller sheet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721075480.3U CN207138611U (en) | 2017-08-25 | 2017-08-25 | The anti-shrinkage cavity device of roller sheet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207138611U true CN207138611U (en) | 2018-03-27 |
Family
ID=61670081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721075480.3U Expired - Fee Related CN207138611U (en) | 2017-08-25 | 2017-08-25 | The anti-shrinkage cavity device of roller sheet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207138611U (en) |
-
2017
- 2017-08-25 CN CN201721075480.3U patent/CN207138611U/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 |
Granted publication date: 20180327 Termination date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |