CN109848449A - A kind of interior device for cooling being built in the middle part of boring bar - Google Patents
A kind of interior device for cooling being built in the middle part of boring bar Download PDFInfo
- Publication number
- CN109848449A CN109848449A CN201811652911.7A CN201811652911A CN109848449A CN 109848449 A CN109848449 A CN 109848449A CN 201811652911 A CN201811652911 A CN 201811652911A CN 109848449 A CN109848449 A CN 109848449A
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- Prior art keywords
- boring bar
- interior
- support
- interior cold
- rotary shaft
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- 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.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 16
- 108091006146 Channels Proteins 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a kind of interior device for cooling being built in the middle part of boring bar, including interior cold connecting shaft, rotary shaft, connect support shaft bearing sleeve, interior cold axis, outer end face flange, connecting shaft, the interior cold one end of the connecting shaft pass through push broach piston after with interior cold axis connection, its other end is connect with pipe fitting, the part does not rotate, the interior cold axis is connected with support shaft bearing sleeve is connect, the rotary shaft is set in boring bar by support, one end wears boring bar front end and is connect by tool-broaching mechanism with cutter, the setting of its other end is in connection support shaft bearing sleeve, and connect the bearing group that multiple bearings composition is equipped between support shaft bearing sleeve and rotary shaft, it is separated between bearing group by spacer.The apparatus structure compact layout is reasonable, and using effect is good.
Description
Technical field
The invention belongs to field of mechanical technique more particularly to a kind of interior device for cooling being built in the middle part of boring bar.
Background technique
As part is to the raising of processing request and the progress of cutter, work in-process requires lathe to have cutter inner cooling function
Urgent need and achievable technology can be had become.But the characteristics of due to different lathes, different structure, inner-cooling structure are realized also not
It is identical.In the case where being limited by structure, there is lead screw built in moveable main shaft (i.e. boring bar), boring bar, speed of mainshaft height,
Interior cold realization has biggish difficulty.
Cold structure is supported bad due to caused by inner hole of spindle mismachining tolerance in existing boring bar, so as to cause rotary shaft
Beat can not be eliminated；Decentraction between rotary shaft and interior cold axis and cause sealing element or interior cold axis to be prone to wear；Cold length in logical
Axis rotates and limits the promotion of revolving speed, can not be discharged after interior cold generation leakage and lead to oil mixing with water.
Summary of the invention
Place, the present invention provide a kind of interior cold charge being built in the middle part of boring bar in order to overcome the above-mentioned deficiencies of the prior art
It sets, compact-sized, rationally distributed, using effect is good.
For the purpose realized, the present invention adopts the following technical scheme: a kind of interior device for cooling being built in the middle part of boring bar, packet
Include interior cold connecting shaft, rotary shaft, connection support shaft bearing sleeve, interior cold axis, outer end face flange, connecting shaft, the interior cold connecting shaft one
With interior cold axis connection after push broach piston, the other end connect with pipe fitting at end, which does not rotate, the interior cold axis and company
The connection of support shaft bearing sleeve is connect, the rotary shaft is set in boring bar by support, and one end wears boring bar front end and passes through
Tool-broaching mechanism is connect with cutter, other end setting in connection support shaft bearing sleeve, and connect support shaft bearing sleeve and rotary shaft it
Between be equipped with the bearing group of multiple bearings composition, separated by spacer between bearing group, bearing group can not only bear push broach power but also have
High rotating accuracy, the two sides of bearing group are respectively equipped with end flanges, and rotary shaft is equipped with inner face method close to one end of interior cold axis
Orchid, aforementioned interior cold connecting shaft, interior cold axis and rotary shaft centre are equipped with the inner cooling path being connected to, are equipped with and are plugged at interior cold axial end
Protrusion in rotary shaft.
In the above-mentioned technical solutions, the support sleeve is equipped at least two, respectively left support set and right support set, left branch
Support set passes through locking nut, spacer and rotation axis connection, and the right support set one side passes through the one of end flanges disk and bearing group
Face contact, another side are fixed by the step being arranged in rotary shaft.
In upper technical solution, the support sleeve excircle is equipped with multiple equally distributed grooves, sets in each groove
There is an adjustment device, the adjustment device includes the folded spring being arranged from inside to outside, adjusting pad, spherical support, and the folded spring is in
Compressive state is equipped with sealing element between spherical support and groove inner wall.
In the above-mentioned technical solutions, multiple tracks leak-tight seal circle is equipped between the right support set and boring bar.
In the above-mentioned technical solutions, at least twice leak-tight seal circle, rotation are equipped between the protrusion and rotary shaft inner wall
End face seal is equipped between the endface and inner face flange of shaft.
In the above-mentioned technical solutions, multiple equally distributed export channels are equipped in the boring bar, export channel includes connecting
One end of logical radial passage and axial passage, axial passage extends to the end of boring bar, and the other end is connected to radial passage, institute
The one end for stating radial passage extends to boring bar outer wall and blocks, and the other end extends to connection support shaft bearing sleeve and boring inside boring bar
The gap of bar inner hole.
In the above-mentioned technical solutions, at the head of the push broach piston be equipped with housing and housing end flanges, housing with push away
Bearing is equipped between knife piston, housing end flanges, which are arranged between housing side, housing and boring bar inner wall, is equipped with housing sealing
Part is equipped with housing sealing ring, between push broach piston inner hole and interior cold connecting shaft outer circle between housing end flanges and push broach piston
Equipped with push broach piston seal.
In the above-mentioned technical solutions, the interior cold connecting shaft is in the support base that is connected with outside boring bar, and interior cold connection
The end of axis is equipped with pipe fitting.
The beneficial effects of the present invention are: the apparatus structure is compact, is provided with adjustment device to inner hole of spindle mismachining tolerance, is right
Small amount of leakage devises passing away, by structure design make in elongated cold connecting shaft do not have to rotation and with inside and outside bearing group
Circle formed it is whole guarantee the coaxial of interior cold axis and rotary shaft, preferably solve the problems, such as that interior cold function is difficult to realize.
Detailed description of the invention
Fig. 1 uses structural schematic diagram for of the invention.
Fig. 2 is partial structure diagram of the invention.
Fig. 3 is the enlarged drawing of A in Fig. 2.
Fig. 4 is the enlarged drawing of B in Fig. 2.
Wherein: cold connecting shaft in 1., 2. rotary shafts, 3. connection support shaft bearing sleeves, cold axis in 4., 5. outer end face flanges, 6.
Interior cold connecting shaft head, 7. left support sets, 8. right support sets, 9. bearing groups, 10. left side flanges, 11. inner face flanges, 12.
Inner cooling path, 13. locking nuts, 14. spacers, 15. folded springs, 16. adjusting pads, 17. spherical supports, 18. sealing elements, 19. sealings
Circle, 20. leak-tight seal circles, 21. end face seals, 22. export channels, 23. housings, 24. housing end flanges, 25. bearings,
26. housing sealing element, 27. boring bars, 28. push broach pistons, 29. fulcrum bearings, 30. pipe fittings, 31. lubricating grease, 32. push broach pistons are close
Sealing.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the invention will be further described.
A kind of interior device for cooling being built in 27 middle part of boring bar as shown in fig. 1 to fig. 4 includes interior cold connecting shaft 1, rotary shaft
2, support shaft bearing sleeve 3, interior cold axis 4, outer end face flange 5 are connected, described interior cold 1 one end of connecting shaft passes through after passing through push broach piston 28
Interior cold connecting shaft head 6 (interior cold connecting shaft head 6 and interior cold connecting shaft 1 are integrally welded) connect with interior cold axis 4, described interior cold
Axis 4 is connected with support shaft bearing sleeve 3 is connect, and the rotary shaft 2 is arranged in boring bar 27 by left support set 7, right support set 8,
One end wears 27 front end of boring bar and is connect with cutter by tool-broaching mechanism, and with cutter, boring bar synchronous rotary, the other end sets
It sets in connection support shaft bearing sleeve 3, and connects the bearing group for being equipped with multiple bearings composition between support shaft bearing sleeve 3 and rotary shaft 2
9, it is separated by spacer 14 between bearing group 9, the two sides of bearing group 9 are respectively equipped with left side flange 10 and outer end face flange 5, rotation
Shaft 2 is equipped with inner face flange 11 close to one end of interior cold axis 4, sets among aforementioned interior cold connecting shaft 1, interior cold axis 4 and rotary shaft 2
There is the inner cooling path 12 of connection, interior cold 4 endface of axis is equipped with the protrusion being plugged in rotary shaft 2.Bearing group 9 is to bear push broach
Power and front support as interior cold connecting shaft 1, select three 60 degree of one group of angle lead screw bearings, and both ends are with 10 He of left side flange
Outer end face flange 5, centre are pre-tightened with spacer, and bearing uses grease lubrication.
In the above-mentioned technical solutions, left support set 7 is connected by locking nut 13, spacer and rotary shaft 2, the right support
The face contact that 8 one sides pass through end flanges disk and bearing group 9 is covered, right support covers 8 another sides and passes through the platform being arranged in rotary shaft 2
Rank is fixed.Left support set 7 is fixed and is rotated together with rotary shaft 2 by locking nut 13 and spacer, and step and end flanges disk
Right support set 8 is fixed and is rotated together with rotary shaft 2.
In upper technical solution, the excircle of the left support set 7 and right support set 8 is equipped with multiple equally distributed recessed
Slot, is equipped with an adjustment device in each groove, the adjustment device include the folded spring 15 being arranged from inside to outside, adjusting pad 16,
Spherical support 17, the folded spring 15 are in compressive state, and sealing element 18 is equipped between spherical support 17 and groove inner wall.Adjust device
3,4,6 etc. can be arranged as needed, are equivalent to several piston types resilient support, are given folded spring by adjusting pad 16 to reach
It is suitable to pre-tighten and mismachining tolerance be eliminated in a certain range.
In the above-mentioned technical solutions, multiple-sealed circle 19 is equipped between the right support set 8 and boring bar 27.
In the above-mentioned technical solutions, it is equipped at least twice leak-tight seal circle 20 between the protrusion and 2 inner wall of rotary shaft,
It is equipped with end face seal 21 between the endface and inner face flange 11 of rotary shaft 2, is equipped with lubricating grease between leak-tight seal circle 20
31。
In the above-mentioned technical solutions, multiple equally distributed export channels 22 are equipped in the boring bar 27, including connection
Radial passage and axial passage, one end of axial passage extend to the end of boring bar 27, and the other end is connected to radial passage, described
One end of radial passage extends to 27 outer wall of boring bar and blocks, and the other end extends to the connection support shaft bearing sleeve 3 inside boring bar 27
With the gap location of boring bar inner hole.When there is small amount of leakage without cold function in influencing, export channel 22 can be by a small amount of water of leakage
It is exported inside boring bar 27, while can cold whether normal in the how much judgements for exporting water by observing, it is abnormal in appearance
When overhaul in time, prevent water leakage from mixing with oil and cause other failures of lathe.
In the above-mentioned technical solutions, housing 23 and housing end flanges 24 are equipped at the head of the push broach piston 28, outside
Bearing 25 is equipped between set 23 and push broach piston 28, the setting of housing end flanges 24 is in 23 side of housing, housing 23 and boring bar 27
It is equipped with housing sealing element 26 between inner wall, sealing element, push broach piston 28 are equipped between housing end flanges 24 and push broach piston 28
Push broach piston seal 32 is equipped between inner hole and interior 1 outer wall of cold connecting shaft.
The setting of all sealing element, sealing ring is, even if leak, leak can also to be limited to prevent leak as far as possible
System exports to the water of leakage outside boring bar 27 in the smallest region, and by export channel 22.
In the above-mentioned technical solutions, the interior cold connecting shaft is in outside boring bar 27 and is connected with support base 29, and interior cold
The end of connecting shaft 1 is equipped with pipe fitting 30.Fulcrum bearing 29 is played a supporting role, and pipe fitting 30 facilitates connection external water source.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of interior device for cooling being built in the middle part of boring bar, it is characterized in that: including interior cold connecting shaft, rotary shaft, connection support shaft
Bearing sleeve, interior cold axis, the interior cold one end of the connecting shaft connect after passing through push broach piston with interior cold axis connection, the other end and pipe fitting
It connects, the interior cold axis is set in boring bar with the connection of support shaft bearing sleeve, the rotary shaft is connect by support, and one end is worn
It is connect to boring bar front end and by tool-broaching mechanism with cutter, other end setting connects support in connection support shaft bearing sleeve
It is equipped with the bearing group of multiple bearings composition between bearing holder (housing, cover) and rotary shaft, is separated between bearing group by spacer, the two of bearing group
Side is respectively equipped with end flanges, and rotary shaft is equipped with inner face flange, aforementioned interior cold connecting shaft, interior cold axis close to one end of interior cold axis
It is equipped with the inner cooling path being connected to rotary shaft centre, is equipped with the protrusion being plugged in rotary shaft at interior cold axial end.
2. the interior device for cooling according to claim 1 being built in the middle part of boring bar, it is characterized in that: the support sleeve is equipped at least
Two, respectively left support set and right support set, left support set pass through locking nut, spacer and rotation axis connection, the right branch
Support set passes through a face contact of end flanges disk and bearing group on one side, and another side is fixed by the step being arranged in rotary shaft.
3. the interior device for cooling according to claim 1 or 2 being built in the middle part of boring bar, it is characterized in that: the support sleeve outer circle
Week is equipped with multiple equally distributed grooves, is equipped with an adjustment device in each groove, the adjustment device include from it is interior to
The folded spring of outer setting, adjusting pad, spherical support, the folded spring are in compressive state, are equipped between spherical support and groove inner wall close
Sealing.
4. the interior device for cooling according to claim 1 being built in the middle part of boring bar, it is characterized in that: right support set and boring bar
Between be equipped with multiple tracks leak-tight seal circle.
5. the interior device for cooling according to claim 1 being built in the middle part of boring bar, it is characterized in that: in the protrusion and rotary shaft
It is equipped at least twice rotating seal ring between wall, end face seal is equipped between the endface and inner face flange of rotary shaft.
6. the interior device for cooling according to claim 1 being built in the middle part of boring bar, it is characterized in that: being equipped in the boring bar multiple
Equally distributed export channel, export channel include that the radial passage of connection and axial passage, one end of axial passage extend to
The end of boring bar, the other end are connected to radial passage, and one end of the radial passage extends to boring bar outer wall and blocks, the other end
Extend to the gap of the connection support shaft bearing sleeve and boring bar inner hole inside boring bar.
7. the interior device for cooling according to claim 1 being built in the middle part of boring bar, it is characterized in that: the head of the push broach piston
Place is equipped with housing and housing end flanges, and bearing is equipped between housing and push broach piston, and housing end flanges are arranged in housing one
Side is equipped with housing sealing element between housing and boring bar inner wall, housing sealing ring is equipped between housing end flanges and push broach piston,
Push broach piston seal is equipped between push broach piston inner hole and interior cold connecting shaft outer circle.
8. the interior device for cooling according to claim 1 being built in the middle part of boring bar, it is characterized in that: the interior cold connecting shaft is in
It is connected with support base outside boring bar, and the end of interior cold connecting shaft is equipped with pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811652911.7A CN109848449B (en) | 2018-12-29 | 2018-12-29 | Internal cooling device built in middle part of boring bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811652911.7A CN109848449B (en) | 2018-12-29 | 2018-12-29 | Internal cooling device built in middle part of boring bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109848449A true CN109848449A (en) | 2019-06-07 |
| CN109848449B CN109848449B (en) | 2024-04-16 |
Family
ID=66893628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811652911.7A Active CN109848449B (en) | 2018-12-29 | 2018-12-29 | Internal cooling device built in middle part of boring bar |
Country Status (1)
| Country | Link |
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| CN (1) | CN109848449B (en) |
Citations (15)
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| DE19503072A1 (en) * | 1994-08-24 | 1996-02-29 | Donau Werkzeugmaschinen Gmbh | Boring mill for automatic tool change |
| DE19721997A1 (en) * | 1997-05-27 | 1998-12-03 | Komet Stahlhalter Werkzeug | Machine tool for cutting workpieces |
| CN101745833A (en) * | 2008-12-16 | 2010-06-23 | 武汉重型机床集团有限公司 | Inner-cooling automatic tool-broaching mechanism of spindle of boring bar |
| CN101941152A (en) * | 2010-08-27 | 2011-01-12 | 沈阳第一机床厂 | High-speed turn-milling combined machining power electric main shaft device and manufacturing method thereof |
| CN201922250U (en) * | 2010-12-30 | 2011-08-10 | 德州普利森机床有限公司 | Processing device for deep hole |
| CN102528095A (en) * | 2011-12-23 | 2012-07-04 | 上海三一精机有限公司 | Transmission structure of main shaft with inner cooling channel |
| KR20120083953A (en) * | 2011-01-19 | 2012-07-27 | 두산인프라코어 주식회사 | Cooling apparatus for spindle's shaft |
| CN202377863U (en) * | 2011-12-01 | 2012-08-15 | 武汉国威重型机械制造有限公司 | Inner cooling mechanism of main shaft with cutter tensioning device |
| CN103170865A (en) * | 2013-03-11 | 2013-06-26 | 温州思拓机械有限公司 | Valve body machining numerical control double-spindle drilling and milling power head |
| CN204565130U (en) * | 2015-02-04 | 2015-08-19 | 浙江日发精密机械股份有限公司 | Turnning and milling composite main shaft |
| CN205021273U (en) * | 2015-09-10 | 2016-02-10 | 沈机集团昆明机床股份有限公司 | A sharp feed mechanism for milling boring machine |
| CN105665762A (en) * | 2016-04-22 | 2016-06-15 | 云南省机械研究设计院 | Boring head with pneumatic cooling function |
| CN106541298A (en) * | 2016-12-07 | 2017-03-29 | 宁波海天精工股份有限公司 | A kind of piston axle construction for being applied to internally cooled-spindle |
| CN207840154U (en) * | 2018-02-08 | 2018-09-11 | 常州市翰琪电机有限公司 | Efficiently cooling carving milling electro spindle |
| CN210115471U (en) * | 2018-12-29 | 2020-02-28 | 武汉重型机床集团有限公司 | Interior cold charge in place boring bar middle part is put |
-
2018
- 2018-12-29 CN CN201811652911.7A patent/CN109848449B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19503072A1 (en) * | 1994-08-24 | 1996-02-29 | Donau Werkzeugmaschinen Gmbh | Boring mill for automatic tool change |
| DE19721997A1 (en) * | 1997-05-27 | 1998-12-03 | Komet Stahlhalter Werkzeug | Machine tool for cutting workpieces |
| CN101745833A (en) * | 2008-12-16 | 2010-06-23 | 武汉重型机床集团有限公司 | Inner-cooling automatic tool-broaching mechanism of spindle of boring bar |
| CN101941152A (en) * | 2010-08-27 | 2011-01-12 | 沈阳第一机床厂 | High-speed turn-milling combined machining power electric main shaft device and manufacturing method thereof |
| CN201922250U (en) * | 2010-12-30 | 2011-08-10 | 德州普利森机床有限公司 | Processing device for deep hole |
| KR20120083953A (en) * | 2011-01-19 | 2012-07-27 | 두산인프라코어 주식회사 | Cooling apparatus for spindle's shaft |
| CN202377863U (en) * | 2011-12-01 | 2012-08-15 | 武汉国威重型机械制造有限公司 | Inner cooling mechanism of main shaft with cutter tensioning device |
| CN102528095A (en) * | 2011-12-23 | 2012-07-04 | 上海三一精机有限公司 | Transmission structure of main shaft with inner cooling channel |
| CN103170865A (en) * | 2013-03-11 | 2013-06-26 | 温州思拓机械有限公司 | Valve body machining numerical control double-spindle drilling and milling power head |
| CN204565130U (en) * | 2015-02-04 | 2015-08-19 | 浙江日发精密机械股份有限公司 | Turnning and milling composite main shaft |
| CN205021273U (en) * | 2015-09-10 | 2016-02-10 | 沈机集团昆明机床股份有限公司 | A sharp feed mechanism for milling boring machine |
| CN105665762A (en) * | 2016-04-22 | 2016-06-15 | 云南省机械研究设计院 | Boring head with pneumatic cooling function |
| CN106541298A (en) * | 2016-12-07 | 2017-03-29 | 宁波海天精工股份有限公司 | A kind of piston axle construction for being applied to internally cooled-spindle |
| CN207840154U (en) * | 2018-02-08 | 2018-09-11 | 常州市翰琪电机有限公司 | Efficiently cooling carving milling electro spindle |
| CN210115471U (en) * | 2018-12-29 | 2020-02-28 | 武汉重型机床集团有限公司 | Interior cold charge in place boring bar middle part is put |
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| CN109848449B (en) | 2024-04-16 |
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