CN104482057B - Boring cutter water channel connector - Google Patents
Boring cutter water channel connector Download PDFInfo
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- CN104482057B CN104482057B CN201410735736.3A CN201410735736A CN104482057B CN 104482057 B CN104482057 B CN 104482057B CN 201410735736 A CN201410735736 A CN 201410735736A CN 104482057 B CN104482057 B CN 104482057B
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- mounting hole
- spring
- bearing
- connecting shaft
- spring mounting
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Abstract
The invention provides a boring cutter water channel connector, comprising a connecting shaft and a base, wherein a water outlet is formed in the center of the connecting shaft, a bearing mounting hole and a spring mounting hole are sequentially formed in the center of the base along the axial direction, a bearing is mounted in the bearing mounting hole, the connecting shaft is mounted in the bearing, a wearable rubber ring and a spring are sequentially mounted in the spring mounting hole, the wearable rubber ring is fixed in the spring mounting hole and is attached to the inner wall of the spring mounting hole, the spring is mounted at the bottom of the spring mounting hole, and props against the first end of the wearable rubber ring, the second end surface of the wearable rubber ring is pressed on the first end surface of the connecting shaft, and a water inlet communicated with the spring mounting hole is further formed in the side surface of the base. According to the invention, a compression spring is adopted, after the wearable rubber ring is worn, the spring automatically jacks to attach the connecting shaft to the wearable rubber ring, in order to reduce the leakage of flushing water; an elastic snap ring is used for preventing the bearing from axially moving to reduce the self weight of the tool; the service life of the boring cutter water channel connector is prolonged, and the change frequency is reduced.
Description
Technical field
The present invention relates to machining technology field, particularly to a kind of boring cutter water channel coupling.
Background technology
Double end boring machine water channel coupling, for being connected with boring bar, connects offer coolant with boring cutter centre bore, and
It is currently used for the double end boring machine water channel coupling of shock-absorber cylinder processing, complex structure, service life is shorter, replacement frequency
Height, because volume ratio is larger, itself is heavier, and when cutter at high speeds rotates, the centrifugal force suffered by knife bar is larger, and chain reaction causes
The knife bar service life that used cooperatively with it is declined, and affects streamline effective operation time, existing coupling sealing property and
Structure is not reasonable, easily causes coolant to splash.
Content of the invention
The deficiencies in the prior art in view of the above, it is an object of the invention to provide a kind of boring cutter water channel coupling, knot
Structure simple seal effect is good, can reduce the centrifugal force that knife bar bears, and extends the service life of itself and knife bar.
For achieving the above object and other related purposes, the present invention provides a kind of boring cutter water channel coupling, including connecting shaft
With cylindrical base, described connecting shaft center has apopore, and described base center offers bearing vertically successively and installs
Hole and spring mounting hole, are provided with bearing in described bearing mounting hole, and described connecting shaft is arranged in bearing, in spring mounting hole
It is sequentially installed with abrasive rubber circle, O-ring seal, bonded washer and spring, abrasive rubber circle is fixed in spring mounting hole, and
Fit with spring mounting hole inwall, described spring is arranged on spring mounting hole bottom, this spring one end is against spring mounting hole bottom
Face, the other end is against on bonded washer face, and described bonded washer is pressed in O-ring seal, described O-ring seal and abrasive rubber
Circle first end face compression, described abrasive rubber circle the second end end face is pressed on connecting shaft first end end face, and base side is also opened
It is provided with the inlet opening connecting with spring mounting hole.
This joiner structure is simple, and this structure coolant is passed through inlet opening and entered even through abrasive rubber circle and spring mounting hole
The centre bore of spindle, using compression spring, abrasive rubber circle is against in connection axial end, abrasive rubber circle and spring mounting hole
Seal between inwall, spring holds out against automatically, so that connecting shaft is adjacent to abrasive rubber circle, reduce flush water seepage.Using bearing certainly
The sealing of the sealing ring of band, reduces coolant and splashes；Structure simplifies, and mitigates the deadweight of frock；Due to significantly subtracting of coupling
Gently, when therefore can reduce machine tool high speed rotation, the centrifugal force that coupling itself and knife bar are born, increase the service life.
As preferred：On described spring mounting hole and the inwall of bearing mounting hole junction, locking groove is set, described wear-resisting
It is provided with projection, this projection snaps in locking groove on rubber ring outer wall.This structure prevents abrasive rubber circle from rotating with connecting shaft.
As preferred：Described locking groove is two semi-circular recesses being oppositely arranged, and described projection is and matching grooves
Semicircle.
As preferred：Described abrasive rubber circle first end is taper, and O-ring seal is pressed in this abrasive rubber by described spring
The junction of circle taper surface and spring mounting hole inwall, this structure be easy to spring automatically by O-ring seal be pressed on taper surface with
The junction of spring mounting hole inwall is it is ensured that sealing effectiveness after the abrasion of abrasive rubber circle.
As preferred：Described inlet opening is screwed hole, and the axial line of this inlet opening is vertical with spring mounting hole axial line, enters
Pipe joint is provided with water hole.
As preferred：Circlip for shaft is provided with described connecting shaft, bearing mounting hole inwall is provided with hole bullet
Property back-up ring, circlip for shaft and circlip for hole are stuck in bearing both ends of the surface, limit described bearing axial runout.
As preferred：Described connecting shaft second end is located at outside base, and this connecting shaft second end offers external screw thread.For even
Connect knife bar.
As preferred：Described base side is further opened with relief hole, and this relief hole is connected with described bearing mounting hole.
As preferred：Described bearing is the deep groove ball bearing with dust cap.
As described above, the invention has the beneficial effects as follows：On the premise of meeting stressing conditions and structural strength, reduce base
Wall thickness, to mitigate coupling weight；Cancel original oil sealing sealing leakage-proof structure, be changed to carry sealing ring sealing by bearing；Increase
Spring abrasion-proof mechanism utilizes compression spring, and after abrasive rubber circle weares and teares, spring holds out against automatically, makes connecting shaft and abrasive rubber
Circle is adjacent to, and reduces flush water seepage；Using elastic collar, prevent bearing axial runout, mitigate the deadweight of frock；Improve its use
In the life-span, reduce replacement frequency, reduce the adverse effect to streamline effective operation time.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of embodiment of the present invention base；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the right view of Fig. 2.
Piece mark explanation
1 base
11 bearing mounting holes
12 spring mounting holes
13 locking grooves
14 relief holes
15 inlet openings
2 connecting shafts
3 bearings
4 pipe joints
5 springs
61 circlip for holes
62 circlips for shaft
63 O-ring seals
64 bonded washers
65 abrasive rubber circles
66 is raised
Specific embodiment
Hereinafter embodiments of the present invention are illustrated by particular specific embodiment, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
As shown in Figures 1 to 4, the present invention provides a kind of boring cutter water channel coupling, including connecting shaft 2 and cylindrical base
1, connecting shaft 2 center has apopore, and base 1 center offers bearing mounting hole 11 and spring mounting hole 12 vertically successively,
The deep groove ball bearing 3 of dust cap is installed in bearing mounting hole 11, in spring mounting hole 12, is sequentially installed with abrasive rubber circle 65
With spring 5, abrasive rubber circle 65 is fixed in spring mounting hole 12, and fits with spring mounting hole 12 inwall, and spring 5 is arranged on
Spring mounting hole 12 bottom, this spring 5 one end is against spring mounting hole 12 bottom surface, and the other end is against on bonded washer 64, combination
Packing ring 64 is pressed in O-ring seal 63, and O-ring seal 63 is pressed on abrasive rubber circle 65 first end end face, abrasive rubber
Enclose 65 second end end faces to be pressed on connecting shaft 2 first end end face, connecting shaft 2 second end offers external screw thread, for knife bar
Connect, base 1 side is further opened with the inlet opening 15 connecting with spring mounting hole 12, the axial line of this inlet opening 15 is pacified with spring
Dress hole 12 axial line is vertical, and inlet opening 15 is stepped screwed hole, and inlet opening 15 is provided with pipe joint 4.
In this example, spring mounting hole 12 and the inwall of bearing mounting hole 11 junction offer two semicircular stop
Groove 13, two locking grooves 13 are symmetrical arranged, and abrasive rubber circle 65 outer wall are provided with raised 66, this projection 66 snaps in locking groove
13.This structure prevents abrasive rubber circle 65 from rotating with connecting shaft 2, and abrasive rubber circle 65 first end is taper, and spring 5 will be O-shaped close
Seal 63 is pressed in the taper surface of abrasive rubber circle 65 and the junction of spring mounting hole 12 inwall, and it is automatic that this structure is easy to spring 5
O-ring seal 63 is pressed on the junction of taper surface and spring mounting hole 12 inwall it is ensured that after abrasive rubber circle 65 weares and teares
Sealing effectiveness.
Circlip for shaft 62 is provided with connecting shaft 2, bearing mounting hole 11 inwall is provided with circlip for hole 61,
Circlip for shaft 62 and circlip for hole 61 are stuck in bearing 3 both ends of the surface, limit bearing 3 axial runout；Base 1 side
It is further opened with relief hole 14, this relief hole 14 is connected with bearing mounting hole 11, this relief hole 14 is used for equalizer bearing installing hole 11
Inner and outer air pressure, simultaneously can be with draining.
This structure coolant passes through the centre bore that pipe joint 4 enters connecting shaft 2 through spring mounting hole 12, using compression spring
5 O-ring seal 63 is against between abrasive rubber circle 65 and spring mounting hole 12 inwall, and spring 5 holds out against automatically, makes connecting shaft 2
It is adjacent to abrasive rubber circle 65, reduce flush water seepage.Using the sealing of bearing sealed ring, reduce coolant and splash；Using
Elastic collar, prevents bearing 3 axial runout, mitigates the deadweight of frock；Simplify the structure of coupling.Due to significantly subtracting of coupling
Gently, when therefore can reduce machine tool high speed rotation, the centrifugal force that coupling itself and knife bar are born, increase the service life.
Any person skilled in the art all can be carried out to above-described embodiment without prejudice under the spirit and the scope of the present invention
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit with
All equivalent modifications being completed under technological thought or change, must be covered by the claim of the present invention.
Claims (7)
1. a kind of boring cutter water channel coupling it is characterised in that：Including connecting shaft and cylindrical base, described connecting shaft center is opened
There is apopore, described base center offers bearing mounting hole and spring mounting hole vertically successively, in described bearing mounting hole
Bearing is installed, described connecting shaft is arranged in bearing, be sequentially installed with spring mounting hole abrasive rubber circle, O-ring seal,
Bonded washer and spring, abrasive rubber circle is fixed in spring mounting hole, and fits with spring mounting hole inwall, described spring peace
It is contained in spring mounting hole bottom, this spring one end is against spring mounting hole bottom surface, the other end is against on bonded washer face, described group
Close packing ring to be pressed in O-ring seal, described O-ring seal and abrasive rubber circle first end face compress, described abrasive rubber circle the
Two end end faces are pressed on connecting shaft first end end face, and base side is further opened with the inlet opening connecting with spring mounting hole；Institute
State spring mounting hole and setting locking groove on the inwall of bearing mounting hole junction, described abrasive rubber ring outer wall is provided with convex
Rise, this projection snaps in locking groove；Described base side is further opened with relief hole, and this relief hole is with described bearing mounting hole even
Logical.
2. boring cutter water channel coupling according to claim 1 it is characterised in that：Described locking groove is two being oppositely arranged
Semi-circular recesses, described projection is the semicircle with matching grooves.
3. boring cutter water channel coupling according to claim 1 it is characterised in that：Described abrasive rubber circle first end is cone
Shape, O-ring seal is pressed in the junction of this abrasive rubber circle taper surface and spring mounting hole inwall by described spring.
4. boring cutter water channel coupling according to claim 1 it is characterised in that：Described inlet opening is screwed hole, this water inlet
The axial line in hole is vertical with spring mounting hole axial line, and inlet opening is provided with pipe joint.
5. boring cutter water channel coupling according to claim 1 it is characterised in that：Axle elasticity is provided with described connecting shaft
Back-up ring, bearing mounting hole inwall is provided with circlip for hole, and circlip for shaft and circlip for hole are stuck in axle
Hold both ends of the surface, limit described bearing axial runout.
6. boring cutter water channel coupling according to claim 1 it is characterised in that：Described connecting shaft second end is located at base
Outward, this connecting shaft second end offers external screw thread.
7. boring cutter water channel coupling according to claim 1 it is characterised in that：Described bearing is the zanjon with dust cap
Ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735736.3A CN104482057B (en) | 2014-12-05 | 2014-12-05 | Boring cutter water channel connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410735736.3A CN104482057B (en) | 2014-12-05 | 2014-12-05 | Boring cutter water channel connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482057A CN104482057A (en) | 2015-04-01 |
| CN104482057B true CN104482057B (en) | 2017-02-22 |
Family
ID=52756636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410735736.3A Active CN104482057B (en) | 2014-12-05 | 2014-12-05 | Boring cutter water channel connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482057B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641113B (en) * | 2016-12-22 | 2023-09-22 | 苏州绿的谐波传动科技股份有限公司 | Ultra-small damping type harmonic reducer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3054996B2 (en) * | 1994-03-31 | 2000-06-19 | 株式会社丸山製作所 | safety valve |
| CN2637811Y (en) * | 2003-07-18 | 2004-09-01 | 白中明 | Coupling for liquid |
| CN2695169Y (en) * | 2004-04-28 | 2005-04-27 | 洛阳轴研科技股份有限公司 | Machining tool speed-up electric main shaft multipurpose clamping head |
| CN204300150U (en) * | 2014-12-05 | 2015-04-29 | 重庆耀勇减震器有限公司 | Boring cutter water channel coupling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100925919B1 (en) * | 2008-01-04 | 2009-11-09 | 창원대학교 산학협력단 | Pre-pressure change device and method of bearing using compressed air |
-
2014
- 2014-12-05 CN CN201410735736.3A patent/CN104482057B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3054996B2 (en) * | 1994-03-31 | 2000-06-19 | 株式会社丸山製作所 | safety valve |
| CN2637811Y (en) * | 2003-07-18 | 2004-09-01 | 白中明 | Coupling for liquid |
| CN2695169Y (en) * | 2004-04-28 | 2005-04-27 | 洛阳轴研科技股份有限公司 | Machining tool speed-up electric main shaft multipurpose clamping head |
| CN204300150U (en) * | 2014-12-05 | 2015-04-29 | 重庆耀勇减震器有限公司 | Boring cutter water channel coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104482057A (en) | 2015-04-01 |
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Effective date of registration: 20171023 Address after: 225200 No. 1 Renmin Road, Jiangdu District, Jiangsu, Yangzhou Patentee after: Yangzhou Jiangdu District fairy town Productivity Promotion Center Address before: 76 No. 401326 Chongqing Jiulongpo District West Peng Aluminum City Avenue Patentee before: CHONGQING YAOYONG SHOCK ABSORBER CO., LTD. |
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| TR01 | Transfer of patent right |