CN105081894B - A kind of processing technology of deep hole, blind hole - Google Patents
A kind of processing technology of deep hole, blind hole Download PDFInfo
- Publication number
- CN105081894B CN105081894B CN201510404003.6A CN201510404003A CN105081894B CN 105081894 B CN105081894 B CN 105081894B CN 201510404003 A CN201510404003 A CN 201510404003A CN 105081894 B CN105081894 B CN 105081894B
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- CN
- China
- Prior art keywords
- cylinder barrel
- boss
- flywheel
- hole
- isolation
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of deep hole, the processing technology of blind hole, it comprises the following steps, by the cylinder barrel clamping after finishing to cylinder barrel clamping device；Emery wheel in inner circle mill bar is under the driving of drive mechanism after rotation, and emery wheel is ground after stretching into the circular hole of cylinder barrel to the inwall of circular hole；Cylinder barrel is with cylinder barrel clamping device rotation；In inner circle mill bar grinding process, inner circle mill bar is along support horizontal feed, until completing the grinding to the circular hole of cylinder barrel.Pass through the rotation and the rotation of cylinder barrel of inner circle mill bar medium plain emery wheel, as inner circle mill bar is along support horizontal feed, circular hole in cylinder barrel is ground, pass through the rotation and the rotation of cylinder barrel of emery wheel, both relative rotation processing then improve the circular degree of circular hole so that the precision of the circular hole circular degree in cylinder barrel reaches 0.001 millimeter.The present invention is suitable for deep hole, the processing of blind hole.
Description
Technical field
The present invention relates to a kind of processing method in hole machined research field, particularly a kind of deep hole, the processing work of blind hole
Skill.
Background technology
In mechanical technology, when the length in hole and the ratio of diameter are more than 5, referred to as deep hole, deep hole in shape again can
To be divided into through hole and blind hole.Wherein, the processing of deep hole blind hole is a difficult point in mechanical processing technique.Depth on existing valve body
Hole, method for processing blind hole are usually to use Boring machine processing.But when needing the processing blind hole inside the endoporus of workpiece, such as revolve
Turn lock nut etc., because the gap between blind hole and the hole wall of inner hole of workpiece is smaller, lathe side's pillow cannot be introduced into the interior of workpiece
Inside hole, the blind hole depth if desired processed is excessive, and the vibration of boring bar in process can cause the precision of blind hole not reach
Excessive it can not be processed to requiring, or even due to vibrating.Also it is exactly that honing is carried out to deep hole, blind hole after Boring machine processing, but
After honing, the deviation from circular from hole is overproof, hole straightness error is overproof.Also it is that valve body is divided into two and half valve bodies to have one kind, point
Deep hole, blind hole are formed after two and half valve bodies are welded after the hole machined of other double of arc, there is also the circle in hole for this processing method
Degree error is overproof, hole straightness error is overproof.Now need a kind of processing method so that deep hole, blind hole processing metapore circularity it is good,
The linearity in hole is good.
The content of the invention
The purpose of the present invention, is to provide a kind of deep hole, the processing technology of blind hole.
The present invention solve its technical problem solution be：The processing technology of a kind of deep hole, blind hole, it includes following step
Suddenly,
1) by the cylinder barrel clamping after finishing to cylinder barrel clamping device；
2) emery wheel in inner circle mill bar is under the driving of drive mechanism after rotation, emery wheel stretch into the circular hole of cylinder barrel after to circle
The inwall in hole is ground；
3) cylinder barrel is with cylinder barrel clamping device rotation；
4) in inner circle mill bar grinding process, inner circle mill bar is along support horizontal feed, until completing the circular hole to cylinder barrel
Grinding.
As the further improvement of above-mentioned technical proposal, the feeding progress of the inner circle mill bar is 0.01 millimeter.
As the further improvement of above-mentioned technical proposal, the inner circle mill bar includes rotary shaft and is enclosed on rotary shaft appearance
The sleeve in face, is provided with angular contact ball bearing, deep groove ball bearing and sealing mechanism, the one of rotary shaft between the rotary shaft and sleeve
Hold and be connected through after angular contact ball bearing, sealing structure with emery wheel, the sealing structure includes being arranged on rotary shaft outward from interior
On isolation flywheel, bearing cap and cover plate, the isolation flywheel, bearing cap and cover plate be located at emery wheel and angular contact ball bearing it
Between, the cover plate and bearing cap are sequentially fixed on sleeve by lock-screw, close to the one of bearing cap in the isolation flywheel
End is provided with the first annular groove, and the bearing cap includes external diameter first boss, second boss and the 3rd boss incremented by successively, described
The outer surface of the second boss and the outer surface of isolation flywheel are flushed after first boss is embedded in the first annular groove, first boss and
High speed rotatory sealing is installed between isolation flywheel, ring-type is formed between the outer surface of first boss and the inwall of the first annular groove
Afflux groove, the afflux groove is in communication with the outside by drainage channel.
As the further improvement of above-mentioned technical proposal, the high speed rotatory sealing includes polyurethane sealing ring and metal bone
Frame, the polyurethane sealing ring is contacted with the inner surface of first boss, and one end of the metallic framework is embedded in polyurethane sealing ring
Inside, another side pressure of metallic framework is touched on the side wall of the first annular groove.
As the further improvement of above-mentioned technical proposal, shape between the end face of the isolation flywheel and the end face of second boss
Into first flow, form second flow channel between the outer surface of the isolation flywheel and the inner surface of cover plate, the first flow and
Second flow channel is communicated to form the drainage channel.
As the further improvement of above-mentioned technical proposal, one end of the isolation flywheel sequentially passes through first boss, second
Feeler contact ball bearing is pressed after boss and the 3rd boss.
The beneficial effects of the invention are as follows：Rotation and the rotation of cylinder barrel of the invention by inner circle mill bar medium plain emery wheel, with
Inner circle mill bar is ground along support horizontal feed to the circular hole in cylinder barrel, by the rotation and the rotation of cylinder barrel of emery wheel,
Both relative rotation processing then improve the circular degree of circular hole so that the precision of the circular hole circular degree in cylinder barrel reaches 0.001
Millimeter.The present invention is suitable for deep hole, the processing of blind hole.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than is all implemented
Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of inner circle mill bar in the present invention；
Fig. 3 is the enlarged drawing of the sealing structure of inner circle mill bar in the present invention；
Fig. 4 is the partial enlarged drawing of double dot dash line circle in Fig. 3.
Embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing clear
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/annexations, not singly refer to component and directly connect, and refer to be added deduct by adding according to specific implementation situation
Few couple auxiliary, to constitute more excellent draw bail.
1~Fig. 4 of reference picture, a kind of deep hole, the processing technology of blind hole, it comprises the following steps,
1) by the clamping of cylinder barrel 16 after finishing to cylinder barrel clamping device；
2) emery wheel 10 in inner circle mill bar 14 is under the driving of drive mechanism after rotation, and emery wheel is stretched into the circular hole of cylinder barrel 16
The inwall of circular hole is ground afterwards；
3) cylinder barrel 16 is with cylinder barrel clamping device rotation；
4) in the grinding process of inner circle mill bar 14, inner circle mill bar 14 is along the horizontal feed of support 15, until completing to cylinder barrel
The grinding of 16 circular hole.
By the rotation and the rotation of cylinder barrel 16 of the medium plain emery wheel 10 of inner circle mill bar 14, as inner circle mill bar 14 is along support 15
Horizontal feed, is ground to the circular hole in cylinder barrel 16, and by the rotation and the rotation of cylinder barrel 16 of emery wheel 10, both are relative
Rotation processing then improves the circular degree of circular hole so that the precision of the circular hole circular degree in cylinder barrel 16 reaches 0.001 millimeter, the party
Method goes for the cylinder barrel 16 of finishing, the finishing for the cylinder barrel 16 being also applied for after welding.
It is further used as preferred embodiment, the feeding progress of the inner circle mill bar 14 is 0.01 millimeter, with inner circle
The accurate propulsion of mill bar 14, is ground the inwall of the circular hole of cylinder barrel 16.
It is further used as preferred embodiment, the inner circle mill bar 14 includes rotary shaft 2 and is enclosed on the appearance of rotary shaft 2
The sleeve 1 in face, is provided with angular contact ball bearing 3, deep groove ball bearing 11 and sealing mechanism, rotation between the rotary shaft 2 and sleeve 1
One end of axle 2 is connected after passing through angular contact ball bearing 3, sealing structure with emery wheel 10, and the sealing structure includes outward pacifying from interior
Isolation flywheel 4, bearing cap 5 and cover plate 6 in rotary shaft 2, the isolation flywheel 4, bearing cap 5 and cover plate 6 are located at emery wheel
Between 10 and angular contact ball bearing 3, the cover plate 6 and bearing cap 5 are sequentially fixed on sleeve 1 by lock-screw 8, it is described every
One end in flywheel 4 close to bearing cap 5 is provided with the first annular groove, the bearing cap 5 includes incremented by successively first convex of external diameter
Platform, second boss and the 3rd boss, the outer surface of the second boss and isolation after the first boss is embedded in the first annular groove
The outer surface of flywheel 4 is flushed, and high speed rotatory sealing 7, the outer surface of first boss are provided between first boss and isolation flywheel 4
And first annular groove inwall between form the afflux groove 9 of ring-type, the afflux groove 9 is in communication with the outside by drainage channel.
Isolation flywheel 4 can get rid of water, sand toward outside when high speed rotates, and play a part of isolation, afflux groove 9 prevent every
Enter internal without completely isolated water, sand from flywheel 4, when Dang Shui and sand reach afflux groove 9 can it is automatic along afflux groove 9 and
Drainage channel down flows out, and also add by high speed rotatory sealing 7, does the protection of third level, and high speed rotatory sealing 7 is same
Function with sealing water and sand.
It is further used as preferred embodiment, the high speed rotatory sealing 7 includes polyurethane sealing ring and metallic framework
70, the polyurethane sealing ring is contacted with the inner surface of first boss, and one end of the metallic framework 70 is embedded in polyurethane seal
Circle is internal, and another side pressure of metallic framework 70 is touched on the side wall of the first annular groove, with the side wall of the first annular groove in metallic framework 70
One end of contact is bent into the knee-piece of rounding off.
It is further used as preferred embodiment, is formed between the end face of the isolation flywheel 4 and the end face of second boss
First flow 90, second flow channel 91 is formed between the outer surface of the isolation flywheel 4 and the inner surface of cover plate 6, described first-class
Road 90 and second flow channel 91 are communicated to form the drainage channel.Meeting is automatic along afflux groove when Dang Shui and sand reach afflux groove 9
9th, first flow 90 and second flow channel 91 down flow out.
It is further used as preferred embodiment, one end of the isolation flywheel 4 sequentially passes through first boss, second boss
With pressure feeler contact ball bearing 3 after the 3rd boss, angular contact ball bearing 3 is fixed by isolating flywheel 4 and bearing cap 5.It is deep
Ditch ball bearing 11 is enclosed on after rotary shaft 2 by locking nut 12 and is fixed between rotary shaft 2 and sleeve 1, and the sleeve 1 is provided with
One end outer surface of deep groove ball bearing 11 is provided with adpting flange 13, is connected by adpting flange 13 with drive mechanism.
Above is the better embodiment to the present invention is illustrated, but the invention is not limited to the reality
Apply example, those skilled in the art can also make a variety of equivalent modifications or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (5)
1. the processing technology of a kind of deep hole, blind hole, it is characterised in that：It comprises the following steps,
1) by the cylinder barrel clamping after finishing to cylinder barrel clamping device；
2) emery wheel in inner circle mill bar is under the driving of drive mechanism after rotation, emery wheel stretch into the circular hole of cylinder barrel after to circular hole
Inwall is ground, and the inner circle mill bar includes rotary shaft and is enclosed on the sleeve of rotary shaft outer surface, the rotary shaft and set
Angular contact ball bearing, deep groove ball bearing and sealing mechanism are provided between cylinder, one end of rotary shaft passes through angular contact ball bearing, sealing
It is connected after structure with emery wheel, the sealing structure is included from interior isolation flywheel, bearing cap and the lid installed outward on the rotary shaft
Plate, the isolation flywheel, bearing cap and cover plate are located between emery wheel and angular contact ball bearing, and the cover plate and bearing cap pass through lock
Tight screw is sequentially fixed on sleeve, and one end of bearing cap is provided with the first annular groove, the bearing in the isolation flywheel
Lid includes external diameter first boss incremented by successively, second boss and the 3rd boss, after the first boss is embedded in the first annular groove
The outer surface of the second boss and the outer surface of isolation flywheel are flushed, and are provided with and are revolved at a high speed between first boss and isolation flywheel
Turn sealing, the afflux groove of ring-type is formed between the outer surface of first boss and the inwall of the first annular groove, the afflux groove is by drawing
Circulation road is in communication with the outside, and isolation flywheel does not have completely isolated water, sand to enter afflux groove, and water and sand can be automatic along afflux groove
And drainage channel down flows out；
3) cylinder barrel is with cylinder barrel clamping device rotation；
4) in inner circle mill bar grinding process, inner circle mill bar is along support horizontal feed, until completing the mill to the circular hole of cylinder barrel
Cut.
2. the processing technology of deep hole according to claim 1, blind hole, it is characterised in that：The inner circle mill bar enter feed
Spend for 0.01 millimeter.
3. the processing technology of deep hole according to claim 1, blind hole, it is characterised in that：The high speed rotatory sealing includes
Polyurethane sealing ring and metallic framework, the polyurethane sealing ring are contacted with the inner surface of first boss, the metallic framework
One end is embedded in inside polyurethane sealing ring, and another side pressure of metallic framework is touched on the side wall of the first annular groove.
4. the processing technology of deep hole according to claim 1, blind hole, it is characterised in that：It is described isolation flywheel end face and
First flow is formed between the end face of second boss, second is formed between the outer surface of the isolation flywheel and the inner surface of cover plate
Runner, the first flow and second flow channel are communicated to form the drainage channel.
5. the processing technology of deep hole according to claim 1, blind hole, it is characterised in that：It is described isolation flywheel one end according to
It is secondary to pass through pressure feeler contact ball bearing after first boss, second boss and the 3rd boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404003.6A CN105081894B (en) | 2015-07-09 | 2015-07-09 | A kind of processing technology of deep hole, blind hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404003.6A CN105081894B (en) | 2015-07-09 | 2015-07-09 | A kind of processing technology of deep hole, blind hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105081894A CN105081894A (en) | 2015-11-25 |
| CN105081894B true CN105081894B (en) | 2017-10-03 |
Family
ID=54563691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510404003.6A Active CN105081894B (en) | 2015-07-09 | 2015-07-09 | A kind of processing technology of deep hole, blind hole |
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| Country | Link |
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| CN (1) | CN105081894B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328568B (en) * | 2019-06-21 | 2021-01-19 | 大连理工大学 | Processing method for grinding end face of circular ring by using large length-diameter ratio weak-rigidity grinding rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501385A1 (en) * | 1984-02-01 | 1985-08-01 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Grinding machine |
| CN2442788Y (en) * | 2000-10-27 | 2001-08-15 | 无锡机床股份有限公司 | Automatic internal grinder grinding frame for bearing ring |
| CN202726730U (en) * | 2012-07-20 | 2013-02-13 | 安徽泾县金泰机械有限公司 | Grinding wheel spindle device for centerless grinding machine |
| CN103143996A (en) * | 2013-03-26 | 2013-06-12 | 太原重工股份有限公司 | Abrasive machining device for deep hole part |
| CN204413845U (en) * | 2015-01-27 | 2015-06-24 | 南通中南数控机床制造有限公司 | A kind of integral type electro spindle |
-
2015
- 2015-07-09 CN CN201510404003.6A patent/CN105081894B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3501385A1 (en) * | 1984-02-01 | 1985-08-01 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Grinding machine |
| CN2442788Y (en) * | 2000-10-27 | 2001-08-15 | 无锡机床股份有限公司 | Automatic internal grinder grinding frame for bearing ring |
| CN202726730U (en) * | 2012-07-20 | 2013-02-13 | 安徽泾县金泰机械有限公司 | Grinding wheel spindle device for centerless grinding machine |
| CN103143996A (en) * | 2013-03-26 | 2013-06-12 | 太原重工股份有限公司 | Abrasive machining device for deep hole part |
| CN204413845U (en) * | 2015-01-27 | 2015-06-24 | 南通中南数控机床制造有限公司 | A kind of integral type electro spindle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105081894A (en) | 2015-11-25 |
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Denomination of invention: A processing technology of deep hole and blind hole Effective date of registration: 20230301 Granted publication date: 20171003 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU YUNTAI PRECISION MACHINERY Co.,Ltd. Registration number: Y2023980033790 |