CN108927553A - Guide sleeves and manufacturing method built in a kind of step deep hole - Google Patents
Guide sleeves and manufacturing method built in a kind of step deep hole Download PDFInfo
- Publication number
- CN108927553A CN108927553A CN201710367933.8A CN201710367933A CN108927553A CN 108927553 A CN108927553 A CN 108927553A CN 201710367933 A CN201710367933 A CN 201710367933A CN 108927553 A CN108927553 A CN 108927553A
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- Prior art keywords
- guide sleeves
- self
- hole
- built
- locking guide
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
Abstract
The invention belongs to Deep-Hole Drilling Technology field, guide sleeves and manufacturing method built in a kind of step deep hole are disclosed.Including elastic locating sleeve (1) and self-locking guide sleeves (2)；The present invention is a kind of guidance tooling being placed in hole, it is able to solve the processing limitation of compound drill gun, capture the processing problem of multi-step deep-hole type parts, the type structure energy effective position cutter, and the processing method for realizing brill aperture after subdrilling macropore, it avoids generating band-like iron filings winding, guarantees dimension precision requirement, the function of fast assembling-disassembling, raising efficiency are realized simultaneously.
Description
Technical field
The invention belongs to Deep-Hole Drilling Technology fields, and in particular to guide sleeves and manufacturing method built in a kind of step deep hole.
Background technique
Multi-step deep-hole type parts are widely used in airborne product, because its step aperture difference is smaller, if using
Macropore is bored after prior art subdrilling aperture, reaming processing is belonged to when boring macropore, since unilateral surplus is smaller, when processing can be generated
Band-like iron filings, this iron filings are not easy to break, can enter in lathe oil outlet along drill gun chip space, and on the knife bar of this position
Winding, Kong Yueshen is twined more, is difficult to clean up, while be easy to causeing broken edge.Another method be bore after subdrilling macropore it is small
Hole, this method will not generate band-like iron filings, but since cutter does not have supporting point, cause aperture that can not process.
Summary of the invention
The purpose of the present invention：A kind of guidance tooling being placed in hole is studied, processes limitation with being able to solve compound drill gun,
The processing method captured the processing problem of multi-step deep-hole type parts, and realize brill aperture after subdrilling macropore, avoids generating band-like
Iron filings winding, guarantees dimension precision requirement, and be able to achieve the function of fast assembling-disassembling, raising efficiency.
Technical solution of the present invention：Guide sleeves built in a kind of step deep hole, it is characterised in that including elastic locating sleeve 1 and from
Lock guide sleeves 2；Elastic locating sleeve 1 is barrel-like structure, and both ends are equipped with the uniformly distributed long through slot being staggered at an angle, keep elasticity fixed
Position set 1 has certain elastic expansion range, and inner hole is taper hole, and symmetrical boss at two is equipped at the big end aperture of taper hole, and self-locking
The tight assembly of guide sleeves 2 uses；Self-locking guide sleeves 2 are step barrel-like structure, and long cylinder is divided into two parts by step, and longer end is cone
Shape, root are equipped with symmetrical boss at two, and shorter end inner orifice is equipped with the conical surface；Self-locking guide sleeves 2 are packed into elastic locating sleeve 1
And be fixedly connected at its taper big end aperture.
1 outer round surface of elastic locating sleeve be rubbing surface, be secured to have enough frictional force when inner bore of part, not by
High pressure oil is gone out.
The elastic locating sleeve 1 and self-locking guide sleeves 2 be fixedly connected as cone match and bayonet type is connect.
Annular groove is equipped at the big end aperture conical surface of the self-locking guide sleeves 2, aperture end face is equipped with symmetrical straight groove at two,
Multifunctional special tool handling convenient to use.
Guide sleeves manufacturing method built in a kind of step deep hole：
(1) it design flexibility positioning sleeve 1 and processes；Increase friction treatment is done in the outer circle of rapidoprint, interior taper hole is simultaneously
Certain surplus is stayed, heat treatment makes hardness reach HRC56-62, is ground to size requirement, and wire cutting aperture land redundance retains
Boss at two cuts both ends elongated slot；
(2) self-locking guide sleeves 2 are designed and are processed；Vehicle conical surface outer circle and inner hole, and certain surplus is stayed, remaining vehicle to ruler
It is very little, guarantee boss size at outer circle two when milling, heat treatment makes hardness reach HRC56-62, is ground to inner hole and male cone (strobilus masculinus) size；
(3) it designs Multifunctional special tool and processes：Each outer circle of vehicle and length dimension, end face milling guarantee two boss sizes,
Aperture is bored in pincers worker, and heat treatment makes hardness reach HRC42-48.
The elastic locating sleeve 1 and self-locking guide sleeves 2 material selection CrWMn, hardness HRC56-62.
The Multifunctional special tool material selection 45# steel, hardness HRC42-48.
Concentricity in 2 manufacturing process of self-locking guide sleeves should be within Φ 0.01.
Beneficial effects of the present invention：The present invention is a kind of guidance tooling being placed in hole, is able to solve adding for compound drill gun
Work limitation captures the processing problem of multi-step deep-hole type parts, the type structure energy effective position cutter, and realizes subdrilling macropore
The processing method for boring aperture afterwards avoids generating band-like iron filings winding, guarantees dimension precision requirement, while realizing the function of fast assembling-disassembling
Can, raising efficiency.
Detailed description of the invention
Fig. 1 is guide sleeves assembling schematic diagram built in step deep hole
Fig. 2-a is elastic locating sleeve main view
Fig. 2-b is elastic locating sleeve left view
Fig. 2-c is elastic locating sleeve cross-sectional view
Fig. 3-a is self-locking guide sleeves main view
Fig. 3-b is self-locking guide sleeves left view
Fig. 3-c is self-locking guide sleeves cross-sectional view
Fig. 4-a is Multifunctional special tool main view
Fig. 4-b is Multifunctional special tool right view
Specific embodiment
Present invention use is described further below：
Guide sleeves, such as Fig. 1 built in a kind of step deep hole, including elastic locating sleeve 1 and self-locking guide sleeves 2；It is flexibly positioned
Set 1 is barrel-like structure, and both ends are equipped with the uniformly distributed long through slot being staggered at an angle, elastic locating sleeve 1 is made to have certain elasticity
Stroke, inner hole are taper hole, are equipped with symmetrical boss at two at the big end aperture of taper hole, assemble and use with self-locking guide sleeves 2；From
Locking guide sleeves 2 are step barrel-like structure, and long cylinder is divided into two parts by step, and longer end is taper, and root is equipped at two pair
Claim boss, shorter end inner orifice is equipped with the conical surface；Self-locking guide sleeves 2 be packed into elastic locating sleeve 1 in and with its taper big end aperture
Place is fixedly connected.1 outer round surface of elastic locating sleeve is rubbing surface, is secured to have enough frictional force when inner bore of part,
It is not gone out by high pressure oil.The elastic locating sleeve 1 is fixedly connected as cone match and bayonet type company with self-locking guide sleeves 2
It connects.Annular groove is equipped at the big end aperture conical surface of the self-locking guide sleeves 2, aperture end face is equipped with symmetrical straight groove at two, convenient
It is loaded and unloaded using Multifunctional special tool.
Guide sleeves manufacturing method built in step deep hole：
(1) design flexibility positioning sleeve, referring to fig. 2：Elastic locating sleeve is barrel-like structure, and both ends are equipped with and are staggered at an angle
Uniformly distributed long through slot, inner hole is taper hole, is equipped with symmetrical boss at two at big end aperture, assembles and use with self-locking guide sleeves.?
Increase friction treatment is done in the outer circle of rapidoprint, interior taper hole simultaneously stays certain surplus, and heat treatment makes hardness reach HRC56-62,
It is ground to size requirement, wire cutting aperture land redundance retains boss at two, cuts both ends elongated slot；
(2) self-locking guide sleeves are designed, referring to Fig. 3：Self-locking guide sleeves are step barrel-like structure, and longer end outer circle is cone
Shape, root are equipped with symmetrical boss at two, and shorter end outer circle aperture is equipped with the conical surface；Self-locking guide sleeves are packed into elastic locating sleeve 1
It is interior and be fixedly connected at its taper big end aperture.Vehicle conical surface outer circle and inner hole, and certain surplus is stayed, remaining vehicle to size, milling
When guarantee boss size at outer circle two, heat treatment makes hardness reach HRC56-62, grinds inner hole and male cone (strobilus masculinus) reaches desired size；
(3) Multifunctional special tool is designed, referring to fig. 4：Multifunctional special tool is cylinder step structure, and big end end face is set
There is symmetrical boss at two, can be used to rotate handling self-locking guide sleeves, small end is segment cylinder, can be used to take out self-locking guidance
Set；Large and small end size is consistent with the large and small pore size of part, while using the big small end of Multifunctional special tool, can detecte
The aperture in large and small hole and concentricity.
Cutter high speed rotation in built-in self-locking guidance sets of holes, it is desirable that material has very high wearability, therefore elasticity is fixed
Position set 1 and self-locking guide sleeves 2 material selection CrWMn, hardness HRC56-62；Multifunctional special tool material selection 45# steel,
Hardness is HRC42-48；Built-in self-locking guide sleeves 2 require have very high guidance accuracy, and the concentricity in manufacturing process should be in Φ
Within 0.01.
Application method, referring to Fig. 1：
The first step：Elastic locating sleeve 1 is placed in the bottom hole position of machined macropore with Multifunctional special tool；
Second step：Self-locking guide sleeves 2 are pushed into inside 1 taper hole of elastic locating sleeve, it is convex with Multifunctional special tool big end
Decometer is in 2 end face groove of self-locking guide sleeves and rotates, and locks its outer cone root boss and 1 aperture boss of elastic locating sleeve；
Third step：After aperture process finishing, with the tight guide sleeves 2 of Multifunctional special tool rotary self-locking, with elastic locating sleeve 1
Unlock, and take out tooling.
Embodiment：
This processing method invention thinking is to be realized based on guide sleeves built in step deep hole and first processed macropore post-processing aperture
Processing method：
Certain type product, macropore are Φ 16, deeply 265, aperture is Φ 13, and deeply 8, after processing macropore, aperture can not add
Work causes this batch of part not to be available, and use through the invention efficiently solves the problems, such as this, and improve efficiency one times with
On, bore area quality is also improved.
This method implementation steps are as follows：
1. part macropore is worked into size；
It installs and locks 2. will be guided built in step deep hole and be placed on macropore bottom；
3. moving quickly into the cutter of machining small at built-in guide sleeves；
4. main shaft low rotates, cutter is made to enter suitable position in built-in guidance sets of holes；
5. main shaft high speed rotation starts machining small；
6. taking out built-in guide sleeves with Multifunctional special tool after process finishing；
7. with aperture and the concentricity of Multifunctional special tool detection macropore and aperture；
8. process finishing removes part.
The structure can be applicable on same kind of parts, and alternative composite drill gun to a certain extent, solve its processing office
It is sex-limited, reduce the cost of charp tool.Disposable input cost is low, reusable, can significantly cost efficiency.
Claims (8)
1. guide sleeves built in a kind of step deep hole, which is characterized in that including elastic locating sleeve (1) and self-locking guide sleeves (2)；Bullet
Property positioning sleeve (1) be barrel-like structure, both ends are equipped with the uniformly distributed long through slot being staggered at an angle, have elastic locating sleeve (1)
Certain elastic expansion range, inner hole are taper hole, symmetrical boss at two are equipped at the big end aperture of taper hole, with self-locking guide sleeves
(2) assembly uses；Self-locking guide sleeves (2) are step barrel-like structure, and long cylinder is divided into two parts by step, and longer end is taper,
Its root is equipped with symmetrical boss at two, and shorter end inner orifice is equipped with the conical surface；Self-locking guide sleeves (2) are packed into elastic locating sleeve (1)
It is interior and be fixedly connected at its taper big end aperture.
2. guide sleeves built in step deep hole as described in claim 1, which is characterized in that elastic locating sleeve (1) the outer circle table
Face is rubbing surface, is secured to have enough frictional force when inner bore of part, is not gone out by high pressure oil.
3. guide sleeves built in step deep hole as claimed in claim 1 or 2, which is characterized in that the elastic locating sleeve (1) with from
The cone match that is fixedly connected as of locking guide sleeves (2) is connected with bayonet type.
4. guide sleeves built in step deep hole as claimed in claim 3, which is characterized in that the self-locking guide sleeves (2) it is big
Annular groove is equipped at stomidium prostomum face, aperture end face is equipped with symmetrical straight groove at two, is easy to use Multifunctional special tool handling.
5. guide sleeves manufacturing method built in a kind of step deep hole：
(1) it design flexibility positioning sleeve (1) and processes；Increase friction treatment is done in the outer circle of rapidoprint, interior taper hole simultaneously stays
Certain surplus, heat treatment make hardness reach HRC56-62, are ground to size requirement, and wire cutting aperture land redundance retains two
Locate boss, cuts both ends elongated slot；
(2) self-locking guide sleeves (2) are designed and are processed；Vehicle conical surface outer circle and inner hole, and certain surplus is stayed, remaining vehicle to size,
Guarantee boss size at outer circle two when milling, heat treatment makes hardness reach HRC56-62, is ground to inner hole and male cone (strobilus masculinus) size；
(3) it designs Multifunctional special tool and processes：Each outer circle of vehicle and length dimension, end face milling guarantee two boss sizes, pincers worker
Aperture is bored, heat treatment makes hardness reach HRC42-48.
6. guide sleeves manufacturing method built in step deep hole as claimed in claim 5, which is characterized in that the elastic locating sleeve
(1) and self-locking guide sleeves (2) material selection CrWMn, hardness HRC56-62.
7. the guide sleeves manufacturing method as built in step deep hole described in claim 5 or 6, which is characterized in that described multi-functional special
With tool material selection 45# steel, hardness HRC42-48.
8. guide sleeves manufacturing method built in step deep hole as claimed in claim 7, which is characterized in that the self-locking guide sleeves
(2) concentricity in manufacturing process should be within Φ 0.01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367933.8A CN108927553B (en) | 2017-05-23 | 2017-05-23 | Step deep hole built-in guide sleeve and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367933.8A CN108927553B (en) | 2017-05-23 | 2017-05-23 | Step deep hole built-in guide sleeve and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927553A true CN108927553A (en) | 2018-12-04 |
| CN108927553B CN108927553B (en) | 2021-03-26 |
Family
ID=64449766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367933.8A Active CN108927553B (en) | 2017-05-23 | 2017-05-23 | Step deep hole built-in guide sleeve and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108927553B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1748006A (en) * | 1926-10-28 | 1930-02-18 | George H Wohlart | Bushing |
| US2457709A (en) * | 1945-08-11 | 1948-12-28 | Falk Corp | Jig bushing |
| EP1704011A2 (en) * | 2003-12-30 | 2006-09-27 | Alex M. Greenberg | Sleeved stop for a brill bit |
| CN201437161U (en) * | 2009-06-04 | 2010-04-14 | 宁波远达船机配件有限公司 | Positioning device of deep hole processing drill bit |
| CN201940784U (en) * | 2010-12-21 | 2011-08-24 | 苏州工业职业技术学院 | Machining device of large length-diameter ratio nonferrous metal step deep hole |
| CN102303144A (en) * | 2011-08-20 | 2012-01-04 | 湖南凯斯机械股份有限公司 | Method for machining deep holes |
| CN202539638U (en) * | 2011-09-21 | 2012-11-21 | 江苏文光车辆附件有限公司 | Deep hole drill bit guide sleeve |
| CN203282004U (en) * | 2013-05-09 | 2013-11-13 | 苏州工业园区海维尔新材料有限公司 | Fixture for machining ultra-deep stepped hole |
| CN105499645A (en) * | 2015-12-25 | 2016-04-20 | 富诚汽车零部件有限公司 | Deep hole drill with lengthened sleeve |
-
2017
- 2017-05-23 CN CN201710367933.8A patent/CN108927553B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1748006A (en) * | 1926-10-28 | 1930-02-18 | George H Wohlart | Bushing |
| US2457709A (en) * | 1945-08-11 | 1948-12-28 | Falk Corp | Jig bushing |
| EP1704011A2 (en) * | 2003-12-30 | 2006-09-27 | Alex M. Greenberg | Sleeved stop for a brill bit |
| CN201437161U (en) * | 2009-06-04 | 2010-04-14 | 宁波远达船机配件有限公司 | Positioning device of deep hole processing drill bit |
| CN201940784U (en) * | 2010-12-21 | 2011-08-24 | 苏州工业职业技术学院 | Machining device of large length-diameter ratio nonferrous metal step deep hole |
| CN102303144A (en) * | 2011-08-20 | 2012-01-04 | 湖南凯斯机械股份有限公司 | Method for machining deep holes |
| CN202539638U (en) * | 2011-09-21 | 2012-11-21 | 江苏文光车辆附件有限公司 | Deep hole drill bit guide sleeve |
| CN203282004U (en) * | 2013-05-09 | 2013-11-13 | 苏州工业园区海维尔新材料有限公司 | Fixture for machining ultra-deep stepped hole |
| CN105499645A (en) * | 2015-12-25 | 2016-04-20 | 富诚汽车零部件有限公司 | Deep hole drill with lengthened sleeve |
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| Publication number | Publication date |
|---|---|
| CN108927553B (en) | 2021-03-26 |
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