CN107457416B - A kind of anti-countersink structure - Google Patents
A kind of anti-countersink structure Download PDFInfo
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- CN107457416B CN107457416B CN201610396998.0A CN201610396998A CN107457416B CN 107457416 B CN107457416 B CN 107457416B CN 201610396998 A CN201610396998 A CN 201610396998A CN 107457416 B CN107457416 B CN 107457416B
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- gear
- transmission shaft
- cutter hub
- spring
- knife
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03432—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing
- B23B29/03467—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing by means of gears and racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/07—Gears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/11—Planetary drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/158—Worms and worm wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Retarders (AREA)
Abstract
The present invention relates to anti-countersink structures, including knife handle, transmission shaft, cutter hub, knife bar, space planetary gear train, gear drive, deceleration mechanism and gear and rack teeth mechanism, deceleration mechanism and gear and rack teeth mechanism are set in cutter hub, transmission shaft is coaxially mounted on knife handle, the rotary motion that transmission shaft exports is passed to cutter hub by space planetary gear train, to realize the rotary motion of cutter hub；Knife bar is mounted on gear and rack teeth mechanism, and the rotary motion that transmission shaft exports is passed to deceleration mechanism by gear drive, and the rotary motion that deceleration mechanism exports is converted to radial alignment and moved by gear and rack teeth mechanism, to realize the radial alignment movement of knife bar.The single rotary motion of machine tool chief axis is converted to the compound motion of rotary motion and radial feed by the present invention, realizes (outer) end face in reversed or positive gradual boring (vehicle), knife is stablized out, and processing is steady.
Description
Technical field
The present invention relates to tool tooling technical field more particularly to a kind of anti-countersink structures.
Background technique
With the fast development of manufacturing technology, the continuous improvement of national defense industry being constantly progressive with user's requirement, promote machine
Tool industry also has higher requirement machining efficiency, production cost and product quality, and anti-spot-facing structure is very general
It is present in the components such as the shell of various mechanical equipments everywhere, the reverse counterboring processing of this enclosed construction sky inner side end,
It since ream platform is covered by matrix other structures, is limited by spatial position, general cutter can not be cut from front, promote skiver
The development of journey technology also proposes many new, higher requirements to the processing technology of machine components and Tool Design, traditional
Back spotfacer has carried out mechanism design based on different design principles, is improving anti-ream processing efficiency, is mitigating labor intensity of workers
Etc. have certain improvement, but be mostly wide sword cutting, the cutting edge of effect simultaneously is longer when processing, and cutting force is big, usually sends out
Raw vibration greatly influences anti-ream atomization degree, production efficiency and finished surface matter so that the processing of anti-ream is extremely difficult
The raising of amount.
Summary of the invention
The present invention is intended to provide anti-countersink structure, is slowed down, tooth using the transmission of space planetary gear train Kinematic Decomposition, worm and gear
The wheel gradual radial direction of rack gear goes out knife, realizes gradual boring by the radial cutting motion synthesis that cutter hub rotates main motion and cutter
(vehicle) end face.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of anti-countersink structure, including knife handle, transmission shaft, cutter hub, knife bar, space planetary gear train, gear drive, subtract
Fast mechanism and gear and rack teeth mechanism, the deceleration mechanism and gear and rack teeth mechanism are set in cutter hub, and the transmission shaft is co-axially mounted
On knife handle, the rotary motion that transmission shaft exports is passed to cutter hub by the space planetary gear train, to realize the rotation of cutter hub
Movement；
The knife bar is mounted on gear and rack teeth mechanism, and the rotary motion that the gear drive exports transmission shaft passes
Deceleration mechanism is passed, the rotary motion that deceleration mechanism exports is converted to radial alignment and moved by the gear and rack teeth mechanism, thus
Realize the radial alignment movement of knife bar.
Further, the space planetary gear train includes internal gear, planetary gear and outer gear ring, the internal gear and transmission shaft
Secure fit, the internal gear are engaged with planetary gear, and the planetary gear is engaged with outer gear ring, and described cutter hub one end and planetary gear are solid
Fixed connection, described planetary gear at least three, the outer gear ring are fixed by anti-rotation device.
Further, the gear drive includes gear shaft, driving gear and driven gear, and the gear shaft is coaxial
In the inner cavity of transmission shaft, transmission shaft passes motion to gear shaft.
Further, the deceleration mechanism includes 2 turbine and worm pairs and 1 gear pair, the gear drive
Driven gear is mounted on I grades of worm screws, and the I grade gear of the gear pair is mounted on I grades of turbine wheel shafts, the II grade of the gear pair
Gear is mounted on II grades of worm screws, and the gear of the gear and rack teeth mechanism is mounted on II grades of turbine wheel shafts.
Further, the gear and rack teeth mechanism includes half gear and rack slide, and it is sliding that the knife bar is fixed on rack gear
On block, described rack slide one end is connected with spring, and spring is affixed with cutter hub, and the rack slide is arranged in parallel with spring.
Further, one-way clutch mechanism is installed between the gear shaft and driving gear.
Further, it is equipped between the transmission shaft and gear shaft and surmounts protective device, the protective device that surmounts includes
Steel ball, spring and spring base, the spring one end are connected with spring base, and the spring other end is connected with steel ball, outside the gear shaft
Wall is equipped with the groove being adapted to steel ball, and the steel ball is stuck under the action of the spring in the groove.
Further, the anti-rotation device includes stop key seat and latch, and the stop key seat is fixedly connected on external tooth
On circle, the latch is mounted on stop key seat.
Further, the transmission ratio of the space planetary gear train are as follows: 1p=1+p, wherein P=3~8.
Further, the material of the cutter hub, outer gear ring and knife handle is aluminium alloy, the transmission shaft, internal gear, planet
Wheel, gear drive, deceleration mechanism and gear and rack teeth mechanism material be engineering plastics.
Compared with prior art, the invention has the following advantages:
1. the single rotary motion of machine tool chief axis is converted to rotary motion+radial feed compound motion by the present invention.It is real
(outer) end face in now reversed or positive gradual boring (vehicle), makes while active cutting edge length greatly reduces, and knife is stablized out, and processing is flat
Surely, processing quality is high.
2. being able to achieve radial automatic knife, rapid return out, production efficiency is improved, labor intensity is reduced.
3. one-way clutch mechanism designs, prevent maloperation from cutter hub being caused to damage.
4. the setting that overload surmounts device, it is ensured that realize the overload protection of equipment and cutter, guarantee that equipment and cutter are reliable
Work.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is main sectional view of the invention；
Fig. 3 is sectional view of the invention；
Fig. 4 is the structural schematic diagram of one-way clutch mechanism；
Fig. 5 is the structural schematic diagram for surmounting protective device；
Fig. 6 is the structural schematic diagram of half gear；
Fig. 7 is the basic schematic diagram of the negative sign planetary gear transmission mechanism of 2Z-X type；
In figure: 1- knife handle, 2- transmission shaft, 3- internal gear, 4- planetary gear, 5- outer gear ring, 6- cutter hub, 7- gear shaft, 8- master
Moving gear, 9- driven gear, 10-I grades of worm screws, 11-I grades of turbine wheel shafts, 12-II grades of worm screws, 13-II grades of turbine wheel shafts, 14- rack gear are sliding
Block, 15- spring, 16- knife bar, half gear of 17-, 18-II grades of gears, 19-I grades of gears, 20- anti-rotation device, 21- one-way clutch
Mechanism, 22- surmount protective device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
As shown in Figure 1, 2, 3, anti-countersink structure disclosed by the invention, including knife handle 1, transmission shaft 2, cutter hub 6, knife bar 16,
Space planetary gear train, gear drive, deceleration mechanism and gear and rack teeth mechanism, deceleration mechanism and gear and rack teeth mechanism are set to knife
In body 6, transmission shaft 2 is coaxially mounted on knife handle 1, and the rotary motion that transmission shaft 2 exports is passed to cutter hub by space planetary gear train
6, to realize the rotary motion of cutter hub 6；
Knife bar 16 is mounted on gear and rack teeth mechanism, and gear drive passes to the rotary motion that transmission shaft 2 exports
Deceleration mechanism, the rotary motion that deceleration mechanism exports is converted to radial alignment and moved by gear and rack teeth mechanism, to realize knife bar
16 radial alignment movement.
Further, space planetary gear train includes internal gear 3, planetary gear 4 and outer gear ring 5, and internal gear 3 and transmission shaft 2 are solid
Fixed cooperation, internal gear 3 are engaged with planetary gear 4, and planetary gear 4 is engaged with outer gear ring 5, and 6 one end of cutter hub is fixedly connected with planetary gear 4,
Planetary gear 4 at least 3, outer gear ring 5 is fixed by anti-rotation device 20.
Further, anti-rotation device 20 includes stop key seat and latch, and stop key seat is fixedly connected in outer gear ring 5,
Latch is mounted on stop key seat, and outer gear ring 5 is connected and fixed by latch and lathe.Further, gear drive
Including gear shaft 7, driving gear 8 and driven gear 9, with being located in the inner cavity of transmission shaft 2, transmission shaft 2 will move gear shaft 7
Pass to gear shaft 7.Further, deceleration mechanism include 2 turbine and worm pairs and 1 gear pair, gear drive from
Moving gear 9 is mounted on I grades of worm screws 10, and the I grade gear 19 of gear pair is mounted on I grades of turbine wheel shafts 11, the II grade tooth of gear pair
Wheel 18 is mounted on II grades of worm screws 12, and the gear of gear and rack teeth mechanism is mounted on II grades of turbine wheel shafts 13.
Further, gear and rack teeth mechanism includes half gear 17 and rack slide 14, and knife bar 16 is fixed on rack slide
On 14,14 one end of rack slide is connected with spring 15, and spring 15 and cutter hub 6 are affixed, and rack slide 14 is arranged in parallel with spring 15.
Since traditional back spotfacer is mostly wide sword cutting, active cutting edge is longer simultaneously when processing, and cutting force is big, usually
It vibrates, so that the processing of anti-ream is extremely difficult, greatly influences anti-ream atomization degree, production efficiency and finished surface
The raising of quality.For the deficiency for improving traditional back spotfacer, need to take measures in terms of cutter hub design, boring bar.
To ensure the running accuracy of cutter head and the stationarity of cutting, knife handle 1 and cutter hub 6 use accurate radial bearing, end in the present invention
Spherical bearing can reach cutter hub circular runout, axial runout precision no more than 0.02mm to realize the precision positioning of cutter hub.
16 knife of bar is fixed on rack slide 14, and the fit clearance of rack slide 14 and cutter hub 6 is not more than 0.01mm.In this way in cutter knot
The precision and stable processing of entire cutter are ensured in structure design.
Further, as shown in figure 4, being equipped with one-way clutch mechanism 21 between gear shaft 7 and driving gear 8, unidirectionally
The preferably uni-directional freewheel clutch of clutch 21.When realizing radial knife out, it is equipped between gear shaft and driving gear unidirectional
Freewheel clutch.In normal cutting workpiece, gear shaft is combined with driving gear under the action of mono-directional overrun clutch,
Driving gear is driven to rotate according to knife direction out；When maloperation occurs or when inverting, in the effect of mono-directional overrun clutch
Lower tooth wheel shaft and driving gear disengage, so that cutter hub be avoided to damage.
Further, surmount protective device 22 as shown in figure 5, being equipped between transmission shaft 2 and gear shaft 7, surmount guarantor
Protection unit 22 includes steel ball, spring and spring base, and spring one end is connected with spring base, and the spring other end is connected with steel ball, gear
7 outer wall of axis is equipped with the groove being adapted to steel ball, and steel ball blocks in a groove under the action of the spring.When realizing radial knife out, just
When normal cutting workpiece, spring base compressed spring makes steel ball stress withstand on the recess of gear shaft, and transmission shaft 2 and gear shaft 7 be just at this time
It is linked together by surmounting protective device 22.When cutting force is excessive, the torque passed on gear shaft 7 is greater than spring compression force
When, steel ball is just deviate from from the recess of gear shaft, and transmission shaft 2 is separated with gear shaft 7 at this time, to realize the overload of equipment and cutter
Protection guarantees equipment and cutter reliably working.
Cutter rotation is rotated by knife handle 1, and planetary mechanism part internal gear 3 is driven to rotate, and outer gear ring 5 is fixed by anti-rotation device 20
Motionless, anti-rotation device 20 includes stop key seat and latch, and stop key seat is fixedly connected on external tooth, on 5, passes through latch and machine
Bed is connected and fixed.Planetary gear 4 relatively in external tooth and make planetary motion, and cutter hub 6 is driven to rotate.Cutter radial goes out knife fortune
It is dynamic to be rotated by knife handle 1, transmission shaft 2, driving gear 8, driven gear 9, I grades of worm screws 10, I grades of turbine wheel shafts 11 are driven, gear pair passes
II grades of worm screws 12 are moved, be transmitted to half gear 17 by II grades of worm and gears and rack slide 14 is driven radially to make
Knife movement, when knife reaches stroke end out, when half gear 17 advances to hypodontia part, rack slide 14 drives knife bar 16 by bullet
Spring 15 is pulled to initial position.Autofeed, rapid return not only reduce labor intensity, also improve production efficiency.
Further, cutter body material is aluminium alloy, and the material of the driving member of body interior is engineering plastics, can be reduced
Weight reduces volume.
Further, the material of cutter hub 6, outer gear ring 5 and knife handle 1 is aluminium alloy, transmission shaft 2, internal gear 3, planetary gear
4, the material of gear drive, deceleration mechanism and gear and rack teeth mechanism is engineering plastics.Weight is further decreased, body is reduced
Product reduces production cost.
Appearance processing of the invention: coating or anodization, other part essences are used as far as possible in cutter body outer surface
Nigrescence and grinding surface, exquisite appearance.
Further, the transmission ratio of space planetary gear train are as follows: 1p=1+p, wherein P=3~8.
It is other since design principle of the invention determines that cutter body has more complex design structure and difficulty of processing
Part largely uses conventional machining, easy to reach method, such as knife handle uses standard knife handle, worm and gear, rack-and-pinion
Etc. can largely use general part, standard component, so that back spotfacer is easily worked and assembles, production cost is reduced.
1. planetary gear train transmission calculation in space in the present invention
According to Planetary Gear Transmission fundamental type feature and aforementioned " rotary motion+radial feed " Compound Machining motor
Reason, space planetary gear train of the invention use 2Z-X type negative mechanisms, as shown in Figure 7, it is assumed that pivoted arm x is fixed, then centre wheel a with
Internal gear b's turns to the transmission ratio i on the contrary, when i.e. pivoted arm x is fixedx< 0 is called the negative mechanisms of 2Z-X type.Of the invention
The transmission calculation of space planetary gear train should meet:
Transmission ratio condition
In formula:
ip--- given transmission ratio, and have
The characterisitic parameter of P --- Planetary Gear Transmission
za--- the number of teeth of centre wheel a, generally, za≥zmin
Zb --- the number of teeth of internal gear b
The selection of characterisitic parameter P value directly affects zbAnd zaSize, the range of P is P=3~8.
2. using the performance detection of converted products of the present invention
2.1 converted products testing inspections
By to the 60 hole end surface processing of part end cap (CH429M-4/40) product, live working process parameter: cutter
Principal rotating motion speed: 180 revs/min；Cutter goes out knife speed: 0.15mm/ turns；Tool advance depth: 0.1~0.3mm；Out
Knife stroke: 31.4mm；Anti- spot-facing diameter: φ 180mm.Anti- countersink in process, stablize out by knife, and processing is steady, roughness and
The more traditional spot facing of precision significantly improves, and processing method completes end face processing in a manner of boring face work, and this method is rationally first
Into being a kind of good hole end surface process tool.
The detection of 2.2 reliability tests
Pass through the multiple batches of processing to product middle housing (272LVF160.02A.01-1) hole end surface, it is believed that anti-countersink is complete
The processing of full up foot part hole end surface.Anti- countersink in process, stablize out by knife, and processing is steady, and roughness and precision relatively pass
The spot facing of system significantly improves, and processing method completes end face processing in a manner of boring face work, and this method is rationally advanced, is a kind of
Good hole end surface process tool.The working process parameter at scene: 180 revs/min of the principal rotating motion speed of cutter, cutter go out
0.15 millimeter of knife speed/turn, 0.1~0.3 millimeter of depth of cut.
2.3 experimental data
By above-mentioned performance test results it is found that the present invention realizes rotary motion and radial knife motion synthesis out carries out
The new technique of boring (vehicle) cutting, makes while active cutting edge length greatly reduces, and knife is stable out, processes steady, roughness and essence
It spends more traditional spot facing to significantly improve, the technique requirement of inner face spot-facing can be fully met during high-efficient cutting；Adding
In working medium amount, the present invention processes the roughness of inner face up to Ra3.2；On working process parameter, principal rotating motion speed 180
Rev/min, cutter goes out 0.15 millimeter of knife speed/turn, 0.1~0.3 millimeter of depth of cut, 31.4 millimeters of knife stroke out, anti-ream model
The processing of 50~φ of φ, 220 hole end surface is enclosed, in manufacturing cost, the present invention is anti-, and countersink greatly reduces production cost.
The present invention can be realized: (1) the Compound Machining motion principle design of " rotary motion+radial feed "；(2) cutter head revolves
Turn precision, the structure of stability, technique to guarantee；(3) safety protection mechanism designs；(4) the radial of knife bar quickly returns.It can reach
To following main technical performance index:
(1) circular runout of the cutter hub to knife handle: it is not more than 0.02mm；
(2) circular runout of the cutter hub to knife handle: it is not more than 0.02mm；
(3) the principal rotating motion speed of cutter: 180 revs/min；
(4) it is processed and shows roughness: Ra3.2 μm；
(5) the knife speed out of cutter: 0.15mm/ turns；
(6) Tool advance depth: 0.1~0.3mm；
(7) go out knife stroke: 31.4mm；
(8) anti-ream range: 50~φ of φ 220mm；
(9) price is only the 1/3 of external similar process tool.
After clamped one time part of the present invention, it is completed at the same time internal bore boring processing and the processing of inside and outside hole end surface.Eliminate repetition
Clamping, to the error of knife, thus this processing method is especially suitable for the demanding occasion of part hole end surface device to hole and part
Hole end surface is not easy to be processed.This machining accuracy is high, and processed end face is bright and clean smooth, and it is flat that quality is significantly larger than traditional hilted broadsword ream
Face.See the example using the product and the processing technology not yet both at home and abroad at present.Price of the invention, which is only that foreign countries are similar, to be added
1/3 or so of work cutter, and all kinds of engineering machinery, the large-scale heavy interior hole end surface of set technique equipment can be applied to completely
Processing in, have a wide range of application, market-oriented prospect is good.The cutter can use on vertical or horizontal machine tool, can positive boring or anti-boring
End face, it is ascending reach size after realize radial fast automatic withdrawing.
Certainly, the present invention can also have other numerous embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding changes and modifications, but these corresponding changes and change according to the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (9)
1. a kind of anti-countersink structure, it is characterised in that: including knife handle (1), transmission shaft (2), cutter hub (6), knife bar (16), spatial row
Star wheel series, gear drive, deceleration mechanism and gear and rack teeth mechanism, the deceleration mechanism and gear and rack teeth mechanism are set to cutter hub
(6) in, the transmission shaft (2) is coaxially mounted on knife handle (1), the rotation that the space planetary gear train exports transmission shaft (2)
Movement passes to cutter hub (6), to realize the rotary motion of cutter hub (6)；
The knife bar (16) is mounted on gear and rack teeth mechanism, and the rotation that the gear drive exports transmission shaft (2) is transported
Dynamic to pass to deceleration mechanism, the rotary motion that deceleration mechanism exports is converted to radial alignment and moved by the gear and rack teeth mechanism,
To realize the radial alignment movement of knife bar (16)；
The gear and rack teeth mechanism includes half gear (17) and rack slide (14), and the knife bar (16) is fixed on rack slide
(14) on, described rack slide (14) one end is connected with spring (15), and spring (15) and cutter hub (6) are affixed, the rack slide
(14) it is arranged in parallel with spring (15).
2. anti-countersink structure according to claim 1, it is characterised in that: the space planetary gear train include internal gear (3),
Planetary gear (4) and outer gear ring (5), the internal gear (3) and transmission shaft (2) secure fit, the internal gear (3) and planetary gear
(4) it engages, the planetary gear (4) is engaged with outer gear ring (5), and described cutter hub (6) one end is fixedly connected with planetary gear (4), described
Planetary gear (4) at least three, the outer gear ring (5) are fixed by anti-rotation device (20).
3. anti-countersink structure according to claim 1, it is characterised in that: the gear drive include gear shaft (7),
Driving gear (8) and driven gear (9), with being located in the inner cavity of transmission shaft (2), transmission shaft (2) will be transported the gear shaft (7)
It is dynamic to pass to gear shaft (7).
4. anti-countersink structure according to claim 1 or 3, it is characterised in that: the deceleration mechanism includes 2 turbine and worms
Secondary and 1 gear pair, the driven gear (9) of the gear drive are mounted on I grades of worm screws (10), the I of the gear pair
Grade gear (19) is mounted on I grades of turbine wheel shafts (11), and the II grade gear (18) of the gear pair is mounted on II grades of worm screws (12),
The gear of the gear and rack teeth mechanism is mounted on II grades of turbine wheel shafts (13).
5. anti-countersink structure according to claim 3, it is characterised in that: between the gear shaft (7) and driving gear (8)
One-way clutch mechanism (21) are installed.
6. the anti-countersink structure according to claim 3 or 5, it is characterised in that: the transmission shaft (2) and gear shaft (7) it
Between be equipped with surmount protective device (22), the protective device (22) that surmounts includes steel ball, spring and spring base, the spring one end
It is connected with spring base, the spring other end is connected with steel ball, and gear shaft (7) outer wall is equipped with the groove being adapted to steel ball, described
Steel ball is stuck under the action of the spring in the groove.
7. anti-countersink structure according to claim 2, it is characterised in that: the anti-rotation device (20) include stop key seat and
Latch, the stop key seat are fixedly connected on outer gear ring (5), and the latch is mounted on stop key seat.
8. anti-countersink structure according to claim 1, it is characterised in that: the transmission ratio of the space planetary gear train are as follows: ip=
1+p, wherein P=3~8.
9. anti-countersink structure according to claim 2, it is characterised in that: the cutter hub (6), outer gear ring (5) and knife handle (1)
Material be aluminium alloy, the transmission shaft (2), internal gear (3), planetary gear (4), gear drive, deceleration mechanism and tooth
The material for taking turns rackwork is engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396998.0A CN107457416B (en) | 2016-06-06 | 2016-06-06 | A kind of anti-countersink structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396998.0A CN107457416B (en) | 2016-06-06 | 2016-06-06 | A kind of anti-countersink structure |
Publications (2)
| Publication Number | Publication Date |
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| CN107457416A CN107457416A (en) | 2017-12-12 |
| CN107457416B true CN107457416B (en) | 2019-04-12 |
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ID=60545010
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610396998.0A Active CN107457416B (en) | 2016-06-06 | 2016-06-06 | A kind of anti-countersink structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112756662A (en) * | 2021-01-26 | 2021-05-07 | 广西东璐信息技术有限公司 | Drilling machine processing counter-reaming tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH573280A5 (en) * | 1973-05-29 | 1976-03-15 | Sinaia Uzina Mecanica Fina | Tool carrying head for boring machine - has drive transmitted by system of planetary gears |
| CN2202003Y (en) * | 1994-06-18 | 1995-06-28 | 魏学彦 | Boring tool post |
| CN2255325Y (en) * | 1995-07-28 | 1997-06-04 | 窦迎峰 | Elliptic boring cutter |
| DE19717172A1 (en) * | 1996-05-03 | 1997-11-06 | Komet Stahlhalter Werkzeug | Tool head for machine tool |
| CN104190967A (en) * | 2014-08-01 | 2014-12-10 | 芜湖欧宝机电有限公司 | Rapid fine adjustment mechanism for inner-hole fine boring tool |
| CN205673622U (en) * | 2016-06-06 | 2016-11-09 | 成都成量工具集团有限公司 | A kind of anti-countersink structure |
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2016
- 2016-06-06 CN CN201610396998.0A patent/CN107457416B/en active Active
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Effective date of registration: 20191226 Address after: No. 199, Section 1, South Ring Road, Sanhe street, Xindu District, Chengdu, Sichuan 610000 Patentee after: Chengdu Xincheng Tools Co., Ltd Address before: 610000, No. 199, south section of Ring Road, Xindu District, Sichuan, Chengdu Patentee before: Chengdu Chengliang Tools Group Co., Ltd. |