CN104493603B - A kind of spindle floating is forged a knife structure - Google Patents
A kind of spindle floating is forged a knife structure Download PDFInfo
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- CN104493603B CN104493603B CN201410763340.XA CN201410763340A CN104493603B CN 104493603 B CN104493603 B CN 104493603B CN 201410763340 A CN201410763340 A CN 201410763340A CN 104493603 B CN104493603 B CN 104493603B
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- end cap
- main shaft
- piston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15553—Tensioning devices or tool holders, e.g. grippers
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of spindle floating to forge a knife structure, its knife machining mechanism includes cylinder body, piston and cylinder body end cap, the baffle ring that the inwall of support seat is stretched in being wholely set, baffle ring is arranged on the front of cylinder body, cylinder body end cap is co-axially mounted the rear end being fixed on cylinder body, the rear end of piston passes cylinder body end cap, the front end of piston passes cylinder body, the integral middle of piston is provided with the first radial convex loop, the outside of the first radial convex loop fits with the inwall of cylinder body, first radial convex loop seals cavity by being divided into the first sealing cavity and second before and after the inner chamber of cylinder body, connection is set on cylinder body and has spindle locking mechanism, when cylinder body slides backward certain distance in supporting seat, spindle locking mechanism locking main shaft, main shaft is imposed pulling force backward.The present invention forges a knife while function realizing floating, can eliminate the trend that main shaft moves downward, improve the stressing conditions of main shaft bearing, improve its service life.
Description
Technical field
The present invention relates to the structure of forging a knife of main shaft in high-speed cutting manufacture field, specifically a kind of spindle floating is forged a knife structure.
Background technology
The rotary speed of main shaft is higher, and especially the rotating speed of electro spindle is typically up to 20000 revolutions per seconds, and therefore its bearing is more likely to
High speed, and relative deficiency in terms of bearing load-carrying ability.Oil cylinder of forging a knife pushes away forward within main shaft in the case of hydraulic oil injects
Broaching tool bar；With the presence of disk spring between broaching tool bar and main shaft, when broaching tool bar is toward extension, in the case of main shaft is motionless, dish bullet
Spring is compressed, and produces spring force；This spring force will make main shaft have the trend moved forward, but main shaft is by main shaft bearing
Maintaining static, this spring force is finally applied on main shaft bearing, the oil cylinder effect to main shaft of therefore forging a knife in main shaft exchanging knives process
Power will affect the service condition of main shaft bearing, and this active force is much larger than the cutting force of main shaft, countershaft can manufacture into damage, impact
Bearing service life.
Summary of the invention
The technical problem to be solved is: for the deficiencies in the prior art, it is provided that a kind of shaft strength situation improved
Spindle floating is forged a knife structure.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of spindle floating is forged a knife structure, including knife machining mechanism,
Described knife machining mechanism is arranged in the support seat of the tubular of a both ends open, and main axle unit is fixed in the described rear end supporting seat
Rear end, the rear end of main shaft and broaching tool bar is stretched in described support seat, is provided with butterfly between described main shaft and described broaching tool bar
Shape spring, the described front end supporting seat is provided with support seat end cap, and described knife machining mechanism includes cylinder body, piston and oil cylinder
Body end cap, described cylinder body can slide in described support seat, the gear that the described inwall supporting seat is stretched in being wholely set
Ring, described baffle ring is arranged on the front of described cylinder body, and described cylinder body end cap is co-axially mounted and is fixed on described oil cylinder
The rear end of body, the rear end of described piston passes described cylinder body through described cylinder body end cap, the front end of described piston,
Described piston can in described cylinder body slide anteroposterior, the integral middle of described piston is provided with the first radial convex loop, institute
The outside of the first radial convex loop stated fits with the inwall of described cylinder body, and the first described radial convex loop is by described oil cylinder
Being divided into the first sealing cavity and second before and after the inner chamber of body and seal cavity, described first seals cavity and is arranged on described oil
Oil return opening on cylinder side wall is connected, the second described sealing cavity and oil-in phase being arranged on described cylinder body sidewall
Connection, described cylinder body arranges connection spindle locking mechanism, when cylinder body slides backward certain distance in supporting seat,
Spindle locking mechanism locking main shaft, imposes pulling force backward to main shaft.
In work process, hydraulic oil is when oil-in enters the second sealing cavity, and piston and cylinder body end cap are all made by oil pressure
Firmly, piston advances forward promote broaching tool bar to move forward simultaneously, thus realize the releasing orientation of pulling claw, meanwhile, main
Axle is also by a thrust forward；And while piston advances forward, cylinder body end cap can rearward movement, drive cylinder body and
Spindle locking mechanism slides backward together, until spindle locking mechanism is locked main shaft and main shaft imposes pulling force backward, and main shaft institute
This pulling force backward being subject to is contrary with its suffered thrust direction forward, and by design in advance, can make above-mentioned drawing
Power and thrust size are close, therefore, it is possible to the active force realizing acting on the two on main shaft in opposite direction almost offsets, this
Sample there will be no, as the main shaft of hard parts, the trend moved downward, and the main shaft bearing being respectively used for fixed main shaft also will not be subject to
To the impact of this active force, thus forge a knife while function realizing floating, the stressing conditions of main shaft bearing can be improved, improve it
Service life.Contrary with said process, by oil return opening in the first annular seal space body during oiling, the active force of oil pressure will make piston
Rearward movement and make cylinder body travel forward and reset, baffle ring is for limiting the proal displacement of cylinder body, it is to avoid because of oil cylinder
Body travels forward and excessively damages broaching tool bar.
Described spindle locking mechanism includes left-hand thread pawl, left-hand thread ring and some back-moving springs, and described left-hand thread pawl is arranged on described
The front end of cylinder body, described left-hand thread pawl is spacing by described baffle ring, the second footpath stretched in described left-hand thread pawl is wholely set
To bulge loop, described left-hand thread ring is fastened on the rear end of described main shaft, and described left-hand thread ring is wholely set the 3rd overhanging footpath
To bulge loop, the second described radial convex loop is positioned at the surface of the 3rd described radial convex loop, the second described radial convex loop and institute
Having the first gap between the 3rd radial convex loop stated, described some back-moving springs are arranged on described support seat end cap with described
Cylinder body end cap between, described some back-moving springs are in compressive state, and described supports seat end cap and described cylinder body
Having the second gap between end cap, when described left-hand thread pawl abuts on described baffle ring, the second described gap is more than described
The first gap.After using the spindle locking mechanism of said structure, continuous oiling in the second annular seal space body, when the second annular seal space
When the active force of internal oil pressure exceedes the pretightning force of back-moving spring, cylinder body end cap just starts rearward movement, and drives left-hand thread pawl
Together with cylinder body rearward movement, and left-hand thread ring maintains static, and therefore the first gap will be gradually reduced, and also can in the second gap simultaneously
Being gradually reduced, owing to the initial size in the second gap is bigger than the initial size in the first gap, therefore left-hand thread ring first contacts with left-hand thread pawl；
After left-hand thread ring contacts with left-hand thread pawl, the oil pressure in the second annular seal space body exists always, therefore the second radial convex loop on left-hand thread pawl
The 3rd radial convex loop that will pull back on left-hand thread ring, and left-hand thread ring and main shaft are fastenedly connected, therefore main shaft is by by one backward
Pulling force, this pulling force and above-mentioned thrust all act on main shaft, and size is close, in opposite direction, after two active forces are offset, and main shaft
No longer there is the trend moved downward.
Above-mentioned structure of forging a knife also includes that guiding mechanism, described guiding mechanism include that some guide posts, the first wear ring and second are resistance to
Bull ring, every described guide post is fixed on described support seat end cap by the first locking nut, every described guide post
Reach in described cylinder body end cap through the described seat end cap that supports, every described guide post is arranged with described answering
Position spring, the first described wear ring is arranged on the contact site of described cylinder body end cap and the rear end of described piston, described
Second wear ring is arranged on the contact position of described cylinder body and the front end of described piston.Guiding mechanism supports seat to cylinder body edge
Slide up and down play guiding and supporting role, improve mechanism action reliability.
The position detecting mechanism of location status for detecting described broaching tool bar it is provided with, to carry on the described sidewall supporting seat
Height is forged a knife the controllability of process.
Described position detecting mechanism includes some position detection unit, each described position detection unit include position sensor,
Extension rod and adjustment block, described adjustment block is provided with U-shaped hole, and described some second locking nuts are through described U-shaped
Described adjustment block is fixed on the described sidewall supporting seat by hole, and one end of described extension rod is arranged on described adjustment block
On, the other end is provided with a described position sensor, described broaching tool bar is provided with and described position sensor position
Sense bulge loop accordingly.The position of up-down adjustment adjustment block is easy in the design in U-shaped hole, selects corresponding according to the position of adjustment block
Second locking nut locking adjustment block, makes position sensor adjust to optimum position, it is ensured that the accuracy of testing result.
The quantity of described position detection unit is three.By the unlike signal of the position sensor in three position detection unit,
The location status of broaching tool bar can be detected, thus the state of main spindle broach is made accurately judgement.
Described supports the reseting sensor being provided with the size for detecting the second described gap on seat end cap.Reseting sensor
Design can further improve the controllability of the process of forging a knife, beneficially raising and forge a knife precision.
Being provided with the first sealing member between described cylinder body end cap and the rear end of described piston, described cylinder body is with described
It is provided with the second sealing member between the front end of piston, is provided with the 3rd between described cylinder body and the first described radial convex loop close
Sealing, is provided with sealing ring between described cylinder body end cap and described cylinder body.First sealing member, the second sealing member,
Three sealing members and sealing ring can improve the sealing of structure of forging a knife, and prevent hydraulic fluid leak.
Compared with prior art, it is an advantage of the current invention that: spindle floating disclosed by the invention is forged a knife during arrangement works, liquid
Force feed is when oil-in enters the second sealing cavity, and piston and cylinder body end cap are all by the active force of oil pressure, and piston is forward simultaneously
Moving and promote broaching tool bar to move forward, thus realize the releasing orientation of pulling claw, meanwhile, main shaft is also by one forward
Thrust；And while piston advances forward, cylinder body end cap can rearward movement, drive cylinder body together with spindle locking mechanism to
Rear slip, until spindle locking mechanism is locked main shaft and main shaft imposes pulling force backward, this pulling force backward suffered by main shaft
Contrary with its suffered thrust direction forward, and by design in advance, above-mentioned pulling force and thrust size can be made close,
Therefore, it is possible to the active force realizing acting on the two on main shaft in opposite direction almost offsets, so as the master of hard parts
Axle there will be no the trend moved downward, and the main shaft bearing being respectively used for fixed main shaft also will not be affected by this active force,
Thus forge a knife while function realizing floating, the trend that main shaft moves downward can be eliminated, improve the stressing conditions of main shaft bearing,
Improve its service life.
Accompanying drawing explanation
Fig. 1 is that embodiment main shaft is forged a knife the structural representation of oil cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Spindle floating as depicted is forged a knife structure, and including knife machining mechanism, guiding mechanism and position detecting mechanism, knife machining mechanism is pacified
In the support seat 1 of the tubular being contained in a both ends open, main axle unit rear end, main shaft 61 and broaching tool are fixed in the rear end supporting seat 1
The rear end of bar 62 is stretched in support seat 1, is provided with butterfly spring (not shown) between main shaft 61 and broaching tool bar 62,
The front end of support seat 1 is provided with support seat end cap 11, and knife machining mechanism includes cylinder body 21, piston 22 and cylinder body end cap 23, oil
Cylinder body 21 can slide in supporting seat 1, and the baffle ring 12 that the inwall of support seat 1 is stretched in being wholely set, baffle ring 12 is arranged on oil
The front of cylinder body 21, cylinder body end cap 23 is co-axially mounted the rear end being fixed on cylinder body 21, cylinder body end cap 23 and cylinder body
Being provided with sealing ring 231 between 21, the rear end of piston 22 passes cylinder body end cap 23, and 22 front ends of piston pass cylinder body 21,
Piston 22 can in cylinder body 21 slide anteroposterior, be provided with the first sealing member between the rear end of cylinder body end cap 23 and piston 22
232, it is provided with the second sealing member 211 between the front end of cylinder body 21 and piston 22, the integral middle of piston 22 is provided with
One radial convex loop 221, the outside of the first radial convex loop 221 fits with the inwall of cylinder body 21, cylinder body 21 and the first footpath
Being provided with the 3rd sealing member 212 between bulge loop 221, the first radial convex loop 221 will be divided into before and after the inner chamber of cylinder body 21
One seals cavity 24 and second seals cavity 25, and first seals cavity 24 and the oil return opening 241 being arranged on cylinder body 21 sidewall
Being connected, second seals cavity 25 is connected with the oil-in 251 being arranged on cylinder body 21 sidewall, and cylinder body 21 is arranged
Connect and have spindle locking mechanism, when cylinder body 21 slides backward certain distance in supporting seat 1, spindle locking mechanism locking main shaft
61, main shaft 61 is imposed pulling force backward.
Spindle locking mechanism includes left-hand thread pawl 31, left-hand thread ring 32 and some back-moving springs 33, and left-hand thread pawl 31 is arranged on cylinder body
The front end of 21, left-hand thread pawl 31 is spacing by baffle ring 12, the second radial convex loop 311 stretched in left-hand thread pawl 31 is wholely set, instead
Clasp 32 is fastened on the rear end of main shaft 61, and left-hand thread ring 32 is wholely set the 3rd overhanging radial convex loop 321, and second radially
Bulge loop 311 is positioned at the surface of the 3rd radial convex loop 321, has between the second radial convex loop 311 and the 3rd radial convex loop 321
First gap 34, some back-moving springs 33 are arranged between support seat end cap 11 and cylinder body end cap 23, some back-moving springs
33 are in compressive state, support and have the second gap 26, when left-hand thread pawl 31 reclines between seat end cap 11 and cylinder body end cap 23
Time on baffle ring 12, the second gap 26, more than the first gap 34, supports and is provided with for detecting the second gap on seat end cap 11
The reseting sensor 13 of the size of 26.
Guiding mechanism includes some guide post the 43, first wear rings 41 and the second wear ring 42, and every guide post 43 is by first
Locking nut 44 is fixed on support seat end cap 11, and every guide post 43 reaches cylinder body end cap 23 through supporting seat end cap 11
In, every guide post 43 is arranged with a back-moving spring 33, the first wear ring 41 is arranged on cylinder body end cap 23 and piston
The contact site of the rear end of 22, the second wear ring 42 is arranged on the contact position of cylinder body 21 and the front end of piston 22.
Position detecting mechanism is for detecting the location status of broaching tool bar 62, and position detecting mechanism includes some position detection unit, often
Individual position detection unit includes position sensor 55, extension rod 54 and adjustment block 51, and adjustment block 51 is provided with U-shaped hole 53,
Adjustment block 51 is fixed on the sidewall supporting seat 1 by some second locking nuts 52 through U-shaped hole 53, the one of extension rod 54
End is arranged in adjustment block 51, and the other end is provided with a position sensor 55, and broaching tool bar 62 is provided with and position sensor
55 positions sense bulge loop 621 accordingly.
In work process, constantly oiling in the second sealing cavity 25, piston 22 and cylinder body end cap 23 are all made by oil pressure
Firmly, piston 22 travels forward and promotes broaching tool bar 62 to move forward, thus realize pulling claw (not shown) unclamp shape
State, meanwhile, main shaft 61 is also by a thrust forward；When the second active force sealing the oil pressure in cavity 25 exceedes
During the pretightning force of back-moving spring 33, cylinder body end cap 23 just starts rearward movement, and drives left-hand thread pawl 31 together with cylinder body
21 rearward movement, and left-hand thread ring 32 maintains static, therefore the first gap 34 will be gradually reduced, and also can in the second gap 26 simultaneously
It is gradually reduced, owing to the initial size in the second gap 26 is bigger than the initial size in the first gap 34, therefore left-hand thread ring 32 and left-hand thread
Pawl 31 first contacts；After left-hand thread ring 32 contacts with left-hand thread pawl 31, the second oil pressure sealed in cavity 25 exists, therefore always
The 3rd radial convex loop 321 that the second radial convex loop 311 on left-hand thread pawl 31 will pull back on left-hand thread ring 32, and left-hand thread ring 32 with
Main shaft 61 is fastenedly connected, and therefore main shaft 61 is by by a pulling force backward, and this pulling force and above-mentioned thrust all act on main shaft 61
On, size is close, in opposite direction, and after two active forces are offset, main shaft 61 no longer has the trend moved downward, and correspondingly uses
Main shaft bearing (not shown) in fixed main shaft 61 also will not be affected by this active force, thus forges a knife realizing floating
While function, the stressing conditions of main shaft bearing can be improved, improve its service life.Contrary with said process, pass through oil return opening
241 to first seal oiling in cavity 24 time, the active force of oil pressure will make piston 22 rearward movement and make cylinder body 21 transport forward
Moving and reset, baffle ring 12 is for limiting the proal displacement of cylinder body 21, it is to avoid because cylinder body 21 travels forward excessively
Damage broaching tool bar 62.
Claims (8)
1. spindle floating is forged a knife a structure, including knife machining mechanism, described knife machining mechanism be arranged on the tubular of a both ends open
In support seat, main axle unit rear end is fixed in the described rear end supporting seat, and described support seat is stretched in the rear end of main shaft and broaching tool bar
In, butterfly spring is installed between described main shaft and described broaching tool bar, the described front end supporting seat is provided with support seat end
Lid, it is characterised in that described knife machining mechanism includes cylinder body, piston and cylinder body end cap, and described cylinder body can be described
Sliding in supporting seat, the baffle ring that the described inwall supporting seat is stretched in being wholely set, described baffle ring is arranged on described oil cylinder
The front of body, described cylinder body end cap is co-axially mounted the rear end being fixed on described cylinder body, and the rear end of described piston passes
Described cylinder body end cap, the front end of described piston is through described cylinder body, and described piston can be in described cylinder body
Slide anteroposterior, the integral middle of described piston is provided with the first radial convex loop, and the outside of the first described radial convex loop is with described
The inwall of cylinder body fit, the first described radial convex loop is divided into the first annular seal space by before and after the inner chamber of described cylinder body
Body and second seals cavity, and the first described sealing cavity is connected with the oil return opening being arranged on described cylinder body sidewall, institute
The the second sealing cavity stated is connected with the oil-in being arranged on described cylinder body sidewall, and described cylinder body arranges connection
Having spindle locking mechanism, when cylinder body slides backward certain distance in supporting seat, spindle locking mechanism locking main shaft, to main shaft
Impose pulling force backward.
A kind of spindle floating the most according to claim 1 is forged a knife structure, it is characterised in that described spindle locking mechanism includes instead
Snap finger, left-hand thread ring and some back-moving springs, described left-hand thread pawl is arranged on the front end of described cylinder body, described left-hand thread pawl by
Described baffle ring is spacing, the second radial convex loop stretched in described left-hand thread pawl is wholely set, and described left-hand thread ring is fastened on institute
The rear end of the main shaft stated, described left-hand thread ring is wholely set the 3rd overhanging radial convex loop, the second described radial convex loop position
First is had between the surface of the 3rd described radial convex loop, the second described radial convex loop and the 3rd described radial convex loop
Gap, described some back-moving springs are arranged on described supporting between seat end cap and described cylinder body end cap, and described is some
Back-moving spring is in compressive state, and described supporting has the second gap, when described between seat end cap and described cylinder body end cap
Left-hand thread pawl when abutting on described baffle ring, the second described gap is more than the first described gap.
A kind of spindle floating the most according to claim 2 is forged a knife structure, it is characterised in that also including guiding mechanism, described leads
Including some guide posts, the first wear ring and the second wear ring to mechanism, every described guide post is solid by the first locking nut
Being scheduled on described support seat end cap, every described guide post reaches described cylinder body end cap through the described seat end cap that supports
In, every described guide post is arranged with a described back-moving spring, the first described wear ring is arranged on described oil cylinder
The contact site of the rear end of body end cap and described piston, the second described wear ring is arranged on described cylinder body and described piston
The contact position of front end.
4. forge a knife structure according to a kind of spindle floating according to any one of claim 1-3, it is characterised in that the described side supporting seat
The position detecting mechanism of location status for detecting described broaching tool bar it is provided with on wall.
A kind of spindle floating the most according to claim 4 is forged a knife structure, it is characterised in that if described position detecting mechanism includes
Dry position detection unit, each described position detection unit includes position sensor, extension rod and adjustment block, described adjustment
Being provided with U-shaped hole on block, described adjustment block is fixed on described propping up by some second locking nuts through described U-shaped hole
On the sidewall of support seat, one end of described extension rod is arranged in described adjustment block, and the other end is provided with a described position
Sensor, described broaching tool bar is provided with and corresponding with described position sensor position senses bulge loop.
A kind of spindle floating the most according to claim 5 is forged a knife structure, it is characterised in that the quantity of described position detection unit
It it is three.
A kind of spindle floating the most according to claim 2 is forged a knife structure, it is characterised in that be provided with on described support seat end cap
For detecting the reseting sensor of the size in the second described gap.
A kind of spindle floating the most according to claim 1 is forged a knife structure, it is characterised in that described cylinder body end cap is with described
It is provided with the first sealing member between the rear end of piston, between the front end of described cylinder body and described piston, is provided with the second sealing
Part, is provided with the 3rd sealing member between described cylinder body and the first described radial convex loop, described cylinder body end cap is with described
Cylinder body between be provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763340.XA CN104493603B (en) | 2014-12-11 | 2014-12-11 | A kind of spindle floating is forged a knife structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410763340.XA CN104493603B (en) | 2014-12-11 | 2014-12-11 | A kind of spindle floating is forged a knife structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104493603A CN104493603A (en) | 2015-04-08 |
| CN104493603B true CN104493603B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410763340.XA Active CN104493603B (en) | 2014-12-11 | 2014-12-11 | A kind of spindle floating is forged a knife structure |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541298B (en) * | 2016-12-07 | 2018-08-28 | 宁波海天精工股份有限公司 | A kind of piston axle construction applied to internally cooled-spindle |
| CN109531489A (en) * | 2019-01-16 | 2019-03-29 | 泰田集团有限公司 | Spanner and oil pressure pulse device thereof |
| CN111152055B (en) * | 2019-12-30 | 2021-11-16 | 广州市昊志机电股份有限公司 | Tool changing oil cylinder mechanism and tool changing mechanism of machining center spindle |
| CN111299621A (en) * | 2020-04-07 | 2020-06-19 | 上海法音机电科技有限公司 | Main shaft with bearing unloading function |
| CN114669781B (en) * | 2022-04-21 | 2024-01-30 | 深圳市速航科技发展有限公司 | Pneumatic vibration device with rotatable piston shaft |
| CN115007889B (en) * | 2022-06-22 | 2024-01-23 | 珠海格力电器股份有限公司 | Electric spindle and machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758412A (en) * | 2009-12-04 | 2010-06-30 | 威海华东数控股份有限公司 | Knife breaking left-hand thread device for main shaft of machine tool |
| CN201720722U (en) * | 2010-02-04 | 2011-01-26 | 纽威数控装备（苏州）有限公司 | Water feeding cutter loosening unloading mechanism of high-speed central water outlet spindle |
| CN201863036U (en) * | 2010-11-25 | 2011-06-15 | 成都普瑞斯数控机床有限公司 | Floating unloading type device for loosening cutter on main shaft |
| CN204413704U (en) * | 2014-12-11 | 2015-06-24 | 宁波海天精工股份有限公司 | A kind of spindle floating is forged a knife structure |
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2014
- 2014-12-11 CN CN201410763340.XA patent/CN104493603B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758412A (en) * | 2009-12-04 | 2010-06-30 | 威海华东数控股份有限公司 | Knife breaking left-hand thread device for main shaft of machine tool |
| CN201720722U (en) * | 2010-02-04 | 2011-01-26 | 纽威数控装备（苏州）有限公司 | Water feeding cutter loosening unloading mechanism of high-speed central water outlet spindle |
| CN201863036U (en) * | 2010-11-25 | 2011-06-15 | 成都普瑞斯数控机床有限公司 | Floating unloading type device for loosening cutter on main shaft |
| CN204413704U (en) * | 2014-12-11 | 2015-06-24 | 宁波海天精工股份有限公司 | A kind of spindle floating is forged a knife structure |
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| CN104493603A (en) | 2015-04-08 |
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