CN209452941U - A kind of screw die sleeve - Google Patents
A kind of screw die sleeve Download PDFInfo
- Publication number
- CN209452941U CN209452941U CN201920057572.1U CN201920057572U CN209452941U CN 209452941 U CN209452941 U CN 209452941U CN 201920057572 U CN201920057572 U CN 201920057572U CN 209452941 U CN209452941 U CN 209452941U
- Authority
- CN
- China
- Prior art keywords
- screw
- sleeve
- hole
- moving sleeve
- boss
- 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
Links
- 241001484259 Lacuna Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a kind of screw die sleeves, including fixes sleeve, moving sleeve, screw die, the first holding screw and the second holding screw, the fixes sleeve is made of cylindrical structure and pyramidal structure, and blind hole is equipped with inside cylindrical structure, and outside is provided with the keyway of a through blind hole；The moving sleeve is cylindrical structure, and inside is equipped with through-hole, and one end is equipped with boss, a stepped hole being adapted with screw die outer diameter is equipped with inside boss, in the threaded hole for being radially provided with a through stepped hole of boss, is equipped with a threaded hole in moving sleeve end；The moving sleeve is sleeved in the inner hole of fixes sleeve, is positioned by the second holding screw, and the screw die is placed in the corresponding stepped hole of moving sleeve, is fixed by the first holding screw.The utility model can be used for processing the external screw thread for being relatively large in diameter part, and structure is simple and convenient to operate, and ensure that the processing quality of product improves product processing efficiency.
Description
Technical field
The utility model belongs to field of machining, in particular to a kind of screw die sleeve.
Background technique
In mechanical processing industry, it is often necessary to process helicitic texture, can make when the lesser thread part of processing diameter
A kind of thread machining device disclosed in Patent No. CN207464357U is processed, but larger for some sizes, processing
The longer thread part of length seems very not applicable.If processed by the way of traditional threading tool turning, not only labor
Fatigue resistance is big, processing efficiency is low and processing quality not can guarantee yet.Therefore it needs to design one kind and be relatively large in diameter suitable for processing
The externally threaded screw die sleeve of part solves problems.
Utility model content
The purpose of the utility model is to provide a kind of screw die sleeve, structure is simple and convenient to operate, be suitble to processing diameter compared with
The external screw thread of big part.
In order to realize the purpose, we disclose a kind of screw die sleeves, including fixes sleeve, moving sleeve, screw die,
One holding screw and the second holding screw, the fixes sleeve is made of cylindrical structure and pyramidal structure, in cylindrical structure
Portion is equipped with blind hole, and outside is provided with the keyway of a through blind hole；The moving sleeve be cylindrical structure, inside be equipped with through-hole, one
End is equipped with boss, and a stepped hole being adapted with screw die outer diameter is equipped with inside boss, is radially provided with a through step in boss
The threaded hole in hole is equipped with a threaded hole in moving sleeve end；The moving sleeve is sleeved in the inner hole of fixes sleeve, is passed through
The positioning of second holding screw, the screw die are placed in the corresponding stepped hole of moving sleeve, are fixed by the first holding screw.
Preferably, the moving sleeve and fixes sleeve inner hole clearance fit.
Further, the threaded hole screw pitch on the moving sleeve boss is identical as the first holding screw screw pitch.
Further, the threaded hole screw pitch of the moving sleeve end is identical as the second holding screw screw pitch.
The utility model has the advantages that
The utility model can be used for processing the external screw thread for being relatively large in diameter part, and structure is simple and convenient to operate, and ensure that product
Processing quality improve product processing efficiency.
Detailed description of the invention
Fig. 1 the utility model assembling structure cross-sectional view
Fig. 2 the utility model main view explosive view.
Specific embodiment
To make being more fully apparent from for the utility model elaboration, the utility model is done further in detail with reference to the accompanying drawing
Explanation.
Embodiment:
Referring to figs. 1 to Fig. 2, the present embodiment provides a kind of screw die sleeve, including fixes sleeve 1, moving sleeve 2, screw die 3,
First holding screw 4 and the second holding screw 5, the fixes sleeve 1 are made of pyramidal structure 6 and cylindrical structure 7, cylinder
Blind hole 8 is equipped with inside shape structure 7, outside is provided with the keyway 9 of a through blind hole；The moving sleeve 2 is cylindrical structure, internal
Equipped with through-hole 10, one end is equipped with boss 11, a stepped hole 12 being adapted with screw die outer diameter is equipped with inside boss 11, in boss 11
The threaded hole 13 for being radially provided with a through stepped hole 12, moving sleeve end be equipped with a threaded hole 14.
In the taper hole for the tailstock that the tapering 6 of fixes sleeve 1 can be locked at lathe by work in-process, moving sleeve 2 is set with
In the inner hole 8 of fixes sleeve, positioned by the second holding screw 5, so that moving sleeve 2 can only be in fixes sleeve 1 back and forth
It is mobile, it cannot rotate, while mobile maximum length is the length of fixes sleeve keyway 9, then screw die 3 is placed on movement
In the corresponding stepped hole 12 of sleeve 2, the threaded hole 13 in 15 alignment boss of slot on screw die outer diameter passes through the first holding screw 4
Screw die is fixed, then the external screw thread processing for being relatively large in diameter part can be achieved.
Preferably, the moving sleeve 2 and 8 clearance fit of fixes sleeve inner hole.
Further, 13 screw pitch of threaded hole on the moving sleeve boss is identical as 4 screw pitch of the first holding screw.
Further, 14 screw pitch of threaded hole of the moving sleeve end is identical as 5 screw pitch of the second holding screw.
The utility model can be used for processing the external screw thread for being relatively large in diameter part, and structure is simple and convenient to operate, and ensure that product
Processing quality improve product processing efficiency.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as scope of protection of the utility model with retouching.
Claims (4)
1. a kind of screw die sleeve, including fixes sleeve, moving sleeve, screw die, the first holding screw and the second holding screw, special
Sign is: the fixes sleeve is made of cylindrical structure and pyramidal structure, blind hole is equipped with inside cylindrical structure, outside is opened
There is the keyway of a through blind hole；The moving sleeve is cylindrical structure, and inside is equipped with through-hole, and one end is equipped with boss, in boss
Portion is equipped with a stepped hole being adapted with screw die outer diameter, in the threaded hole for being radially provided with a through stepped hole of boss, in movement
Barrel end is equipped with a threaded hole；The moving sleeve is sleeved in the inner hole of fixes sleeve, is positioned by the second holding screw,
The screw die is placed in the corresponding stepped hole of moving sleeve, is fixed by the first holding screw.
2. a kind of screw die sleeve according to claim 1, it is characterised in that: interporal lacuna in the moving sleeve and fixes sleeve
Cooperation.
3. a kind of screw die sleeve according to claim 1, it is characterised in that: the threaded hole screw pitch on the moving sleeve boss
It is identical as the first holding screw screw pitch.
4. a kind of screw die sleeve according to claim 1, it is characterised in that: the threaded hole screw pitch of the moving sleeve end with
Second holding screw screw pitch is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057572.1U CN209452941U (en) | 2019-01-15 | 2019-01-15 | A kind of screw die sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057572.1U CN209452941U (en) | 2019-01-15 | 2019-01-15 | A kind of screw die sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209452941U true CN209452941U (en) | 2019-10-01 |
Family
ID=68044499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920057572.1U Expired - Fee Related CN209452941U (en) | 2019-01-15 | 2019-01-15 | A kind of screw die sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209452941U (en) |
-
2019
- 2019-01-15 CN CN201920057572.1U patent/CN209452941U/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: 20191001 |