CN208437720U - Drill bushing - Google Patents
Drill bushing Download PDFInfo
- Publication number
- CN208437720U CN208437720U CN201820281118.XU CN201820281118U CN208437720U CN 208437720 U CN208437720 U CN 208437720U CN 201820281118 U CN201820281118 U CN 201820281118U CN 208437720 U CN208437720 U CN 208437720U
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- CN
- China
- Prior art keywords
- hole
- ontology
- drill bushing
- noumenon
- chamfering
- 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
- 238000005553 drilling Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000001771 impaired effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses a kind of drill bushing, including the first noumenon and the second ontology, it is equipped with first through hole in the middle part of the first noumenon, the second through-hole is equipped in the middle part of the second ontology, the socket of the second ontology is installed in first through hole.The drill bushing of the utility model can not only carry out effectively guiding and stablize deep hole tools in drilling process in deep hole tools, improve the position precision and quality of drilling, moreover it is possible to reduce material loss, reduce processing cost, and installation changes speed faster.
Description
Technical field
The utility model relates to drilling hole machine tool fields, more particularly to a kind of drill bushing.
Background technique
When carrying out drilling processing to some deep holes (draw ratio is generally higher than 30:1) on drilling hole machine tool, need to use deep hole
Cutter, currently used deep hole tools are essentially all single cutting-edge design, therefore, when carrying out drilling processing, these deep holes
Cutter does not often have the function of centering, leads to the position in the hole processed and the certain deviation of physical presence, does not meet use
It is required that this will generate many waste products, processing cost is substantially increased；And since the draw ratio of deep hole tools itself also compares
Greatly, it is easy to cause vibration when piercing workpiece, influences the precision in processed hole.To solve the above-mentioned problems, it typically now uses
Monoblock type drill bushing guides and stablizes deep hole tools, and to improve the quality of drilling, but this monoblock type drill bushing is upon wear more
It changes jobs very cumbersome, and needs integral replacing, material cost is higher.
Utility model content
Both effectively it can guide and stablize in drilling process the main purpose of the utility model is to provide a kind of
Deep hole tools, also can quick-replaceable and the less drill bushing of consumptive material.
To achieve the above object, the technical scheme adopted by the utility model is that: a kind of drill bushing, including the first noumenon and second
Ontology, the first noumenon middle part are equipped with first through hole, and the second through-hole is equipped in the middle part of the second ontology, and the socket of the second ontology is installed on first
In through-hole.
Further, the first noumenon is in T-shaped, and the second ontology is cylindrical.
Further, the threaded hole that the first noumenon outer wall is arranged radially along first through hole and is connected to first through hole, screw thread
It is equipped with screw in hole, is corresponded on the second body outer wall and is circumferentially with annular groove along the second through-hole at threaded hole, held out against by screw
The second ontology is locked in first through hole on annular groove.
Further, screw is ripple pearl screw.
Further, threaded hole at least there are two, be axially and symmetrically arranged along the first noumenon outer wall two sides.
Further, first through hole both ends are equipped with the first chamfering, and the first chamfering is 4mm × 45 °.
Further, the second through-hole both ends are equipped with the second chamfering, and the second chamfering is 1mm × 45 °.
Further, the end face that the first noumenon is contacted with workpiece is equipped with third chamfering.
Further, the angle of third chamfering and workpiece planarization is 15 ° -30 °.
The drill bushing of the utility model is assembled by the first noumenon and the second ontology, is used split type structure, is being used
When, the second through-hole that deep hole tools pass through on the second ontology pierces workpiece planarization, and the second through-hole plays certain guidance, positioning is made
With the position for setting deep hole tools on workpiece carries out deep hole machining, and after deep hole tools pierce workpiece, the second through-hole
The vibration that deep hole tools generate in boring procedure can also be reduced, avoids cutter impaired；In addition, since the second ontology is socket
It is mounted in first through hole, what is contacted with deep hole tools is also the second ontology, only need to be by the when the second ontology is damaged serious
The second ontology is changed to new components in one through-hole, more rapidly convenient, and the first noumenon can continue to use, and reduces
Material loss, processing cost are lower.
Detailed description of the invention
Fig. 1 is the drill bushing structure schematic diagram of the utility model embodiment.
In figure: 1, the first noumenon；11, first through hole；111, the first chamfering；12, threaded hole；13, third chamfering；2, second
Ontology；21, the second through-hole；211, the second chamfering；22, annular groove；3, screw.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Referring to Fig.1, an embodiment of the utility model embodiment drill bushing, including the first noumenon 1 and the second ontology 2, first
It is equipped with first through hole 11 in the middle part of ontology 1, the second through-hole 21 is equipped in the middle part of the second ontology 2, it is logical that the socket of the second ontology 2 is installed on first
In hole 11.
The drill bushing of the present embodiment is assembled by the first noumenon 1 and the second ontology 2, is used split type structure, is being used
When, the second through-hole 21 that deep hole tools pass through on the second ontology 2 pierces workpiece planarization, and the second through-hole 21 can play deep hole tools
To guidance and positioning action, the position in processed hole is made to meet requirement, after deep hole tools pierce workpiece, the second through-hole
21 can also reduce the vibration that deep hole tools generate in boring procedure, avoid cutter impaired, improve the precision in processed hole, keep away
Exempt from aperture exception occur；In addition, what is contacted with deep hole tools is since the second ontology 2 is that socket is mounted in first through hole 11
Second ontology 2 in first through hole 11 need to be only changed to new components i.e. when the second ontology 2 is damaged serious by the second ontology 2
Can, it is more rapidly convenient, and the first noumenon 1 can continue to use, and reduce material loss, reduce processing cost.
For the first noumenon 1 of the present embodiment in T-shaped, the second ontology 2 is cylindrical.1 He of the first noumenon of this structure
Second ontology 2, is more convenient for fabricating, and the second cylindric ontology 2 is also easier during installation, improves installation effect
Rate.
In order to be installed to the second ontology 2 more rapidly firmly in first through hole 11,1 outer wall of the first noumenon is along first through hole
11 threaded holes 12 for being arranged radially and being connected to first through hole 11, are equipped with screw 3 in threaded hole 12, right on 2 outer wall of the second ontology
It answers and is circumferentially with annular groove 22 along the second through-hole 21 at threaded hole 12, held out against on annular groove 22 by screw 3 by the second ontology 2
It is locked in first through hole 11.In order to further improve installing or changeing speed, the screw 3 of the present embodiment is ripple pearl screw,
When using ripple pearl screw, the section of annular groove 22 can be made arc-shaped, so that ripple pearl screw preferably matches with annular groove 22
It closes, 2 installation accuracy of the second ontology is higher.In order to guarantee that the second ontology 2 firm can be mounted in first through hole 11, the present embodiment
Threaded hole 12 at least there are two, be axially and symmetrically arranged along 1 outer wall two sides of the first noumenon.
11 both ends of first through hole of the present embodiment are equipped with the first chamfering 111, and the first chamfering 111 is 4mm × 45 °；Setting
First chamfering 111 can be inserted into first through hole 11 convenient for the second ontology 2, avoid the second ontology of damaged in collision 2 of wedge angle, guarantee second
The integrality of ontology 2.Correspondingly, in order to avoid deep hole tools when being inserted into the second through-hole 21 and the wedge angle in aperture collides and
Along bad cutter, 21 both ends of the second through-hole of the present embodiment are equipped with the second chamfering 211, and the second chamfering 211 is 1mm × 45 °.
The end face that the first noumenon 1 of the present embodiment is contacted with workpiece is equipped with third chamfering 13；Third chamfering 13 is arranged can be with
The contact area for reducing the first noumenon 1 and workpiece, what is be in contact in this way with workpiece substantially just only has the second ontology 2, is connecing
Also only the second ontology 2, the better integrality for maintaining the first noumenon 1 for generating damage in touching because of collision, friction subtract
Few material loss；Correspondingly, the angle of third chamfering 13 and workpiece planarization is 15 ° -30 °, wherein being preferred with 15 °.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of drill bushing, it is characterised in that: it is logical to be equipped with first including the first noumenon and the second ontology, in the middle part of the first noumenon
Hole, the second ontology middle part are equipped with the second through-hole, and the second ontology socket is installed in the first through hole.
2. drill bushing according to claim 1, it is characterised in that: in T-shaped, second ontology is in the first noumenon
It is cylindric.
3. drill bushing according to claim 1, it is characterised in that: the first noumenon outer wall be arranged radially along first through hole and
The threaded hole being connected to first through hole, the threaded hole is interior to be equipped with screw, corresponds to edge at threaded hole on second body outer wall
Second through-hole is circumferentially with annular groove, is held out against by screw and second ontology is locked in first through hole on annular groove.
4. drill bushing according to claim 3, it is characterised in that: the threaded hole at least there are two, along the first noumenon
Outer wall two sides are axially and symmetrically arranged.
5. drill bushing according to claim 3, it is characterised in that: the screw is ripple pearl screw.
6. drill bushing according to claim 1, it is characterised in that: the first through hole both ends are equipped with the first chamfering, described
First chamfering is 4mm × 45 °.
7. drill bushing according to claim 1, it is characterised in that: second through-hole both ends are equipped with the second chamfering, and described the
Two chamferings are 1mm × 45 °.
8. drill bushing according to claim 1, it is characterised in that: the end face that the first noumenon is contacted with workpiece is equipped with third
Chamfering.
9. drill bushing according to claim 8, it is characterised in that: the angle of the third chamfering and workpiece planarization is 15 °-
30°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820281118.XU CN208437720U (en) | 2018-02-27 | 2018-02-27 | Drill bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820281118.XU CN208437720U (en) | 2018-02-27 | 2018-02-27 | Drill bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208437720U true CN208437720U (en) | 2019-01-29 |
Family
ID=65096524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820281118.XU Expired - Fee Related CN208437720U (en) | 2018-02-27 | 2018-02-27 | Drill bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208437720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193616A (en) * | 2019-06-03 | 2019-09-03 | 安徽天航机电有限公司 | A kind of auxiliary intake valve elongated hole drilling machining device and its application method |
-
2018
- 2018-02-27 CN CN201820281118.XU patent/CN208437720U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193616A (en) * | 2019-06-03 | 2019-09-03 | 安徽天航机电有限公司 | A kind of auxiliary intake valve elongated hole drilling machining device and its application method |
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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: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |