CN105057719B - Anti-scratch boring head with cooling device - Google Patents
Anti-scratch boring head with cooling device Download PDFInfo
- Publication number
- CN105057719B CN105057719B CN201510471708.XA CN201510471708A CN105057719B CN 105057719 B CN105057719 B CN 105057719B CN 201510471708 A CN201510471708 A CN 201510471708A CN 105057719 B CN105057719 B CN 105057719B
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- knife rest
- hole
- boss
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- 238000001816 cooling Methods 0.000 title claims abstract description 30
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 8
- 238000009966 trimming Methods 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract 2
- 241000251468 Actinopterygii Species 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052752 metalloid Inorganic materials 0.000 description 2
- 150000002738 metalloids Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001640558 Cotoneaster horizontalis Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
- B23Q11/1023—Tool holders, or tools in general specially adapted for receiving the cutting liquid from the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2215/00—Details of workpieces
- B23B2215/72—Tubes, pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a prevent boring head that scratches with cooling device, has dabber, holder and planar bearing of cyclic annular boss a including rotatory fixed blade disc, middle part, and wherein blade disc fixed connection is on the head dish of dabber, and the holder slip cover is established on the cyclic annular boss a at dabber middle part, and the planar bearing card is established between the screw thread on holder and the outer circumference of dabber tail end, rotatory fixed blade disc includes discoid knife rest and connects the boring cutter on the knife rest, and the knife rest medial surface is fixed in the dabber. According to the anti-scratch boring head with the cooling device, the cooling device is arranged, so that the purposes of lubricating, cooling and cooling the working part of the tool bit in real time can be achieved, the working environment of the tool bit is improved, the working efficiency is improved, and the mechanical maintenance cost is reduced; through the setting that changes the roller hole, solved and dismantled the roller and must dismantle the problem of dabber earlier, set up the guide block of take the altitude simultaneously, avoided hard tool bit or roller and pipe inner wall to scratch and the fish tail inner wall.
Description
Technical field
The present invention relates to mechanical manufacturing field, specially a kind of anti-scraping boring head with cooling device.
Background technology
The type of cooling used in being currently used for the boring head of processing tube blank inner wall, is set in boring head and frame fixed position
Liquid device is crossed, thinks that tube blank inner wall sprays rust coolant liquid when boring head rotary work, but because boring head has one in itself
Fixed length, and the direct of travel of boring head and the injection direction of rust coolant liquid are on the contrary, therefore during actual use, when
Boring head gait of march is too fast or during too high rotating speed, the spray regime of existing rust coolant liquid cannot meet production needs,
Boring head cooling causes heating state is excessive to burn out cutter head, a series of problems, such as lubrication also can cause boring head swaging clamp not in time not in time.
The rear retainer used on boring head contributes to polish the roller rolling retainer of tube blank inner wall, through making after a while
With rear, it is necessary to be overhauled to it, the roller for occurring damaging needs to be changed.But on existing boring head roller installation side
Formula is not easy to overhaul and change very much.Typically opened up on the support body of retainer outside outer small interior big tapered roller hole, support body
Portion's aperture area is accumulated less than roller vertical section, first pulls down the mandrel of boring head during installation, and roller is put on the inside of tapered roller hole
Enter, then be set on mandrel, roller is ejected from inside by mandrel so that the tapered roller hole of roller part protrusion, during work with
The rotation of mandrel and rotate, tube blank inner wall is polished.If necessary to be examined to roller during the use of boring head
Repair or change, it is necessary to first pull down whole boring head from lathe, then disassemble mandrel and retainer, then from retainer
The roller damaged is taken out in inner side, and whole process is very cumbersome.
The processing of tube blank inner wall is since one end, to be rolled always along inwall and be polished to the other end, then by boring head from adding
Extracted out in the good pipe of work, but during extraction, cutterhead and roller on boring head may be scraped to tube blank inner wall
Rub, influence polishing effect.
The content of the invention
It is an object of the invention to provide a kind of anti-scraping boring head with cooling device, by setting cooling dress on mandrel
Put, realize that mandrel when work, can be lubricated and cool to the working position of cutter head in real time, improve cutter head
Working environment, improves operating efficiency, and reduce the cost of machinery overhaul；By changing the setting of roller hole, support the use
Catch blocking the normal work of without prejudice to roller while roller is not deviate from, solve dismounting roller must first dismantle mandrel
The problem of, while setting the guide pad of certain altitude, guide pad is exited using insulation wear-resistant material after machining out of pipe
When boring head, guide pad is contacted with tube blank inner wall, it is to avoid hard cutter head or roller scratched with tube blank inner wall and in scratching
Wall.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of anti-scraping boring head with cooling device, including the fixed cutterhead of rotation, middle part carry annular boss a core
Axle, retainer and plane bearing, wherein cutterhead are fixedly connected in the cephalic disc of mandrel, and retainer is slidably located in the middle part of mandrel
Annular boss a on, plane bearing is fastened between the screw thread on retainer and mandrel tail end excircle, and the rotation is fixed
Cutterhead includes discoid knife rest and the boring cutter being connected on knife rest, and knife rest medial surface is fixed on mandrel, and lateral surface offers center
Multiple fixing grooves are set on symmetrical boss b, boss b, and the boring cutter includes knife bar and is connected to the cutter head of knife bar one end, cutter head
One end protrusion knife rest outer diameter face and with knife rest synchronous rotary, and during cutter head is generally aligned in the same plane, and during every group of cutter head rotation
Place plane is mutually parallel, and described knife rest home position is additionally provided with seam, and seam is a cylindrical type through hole, correspondence core shaft end
In the limit shaft that face home position is set, limit shaft insertion seam, two locating slots are additionally provided with knife rest, the locating slot is
Be centrosymmetric the U-type groove of distribution by axle center of seam, and the opening direction of U-type groove and the direction of rotation of knife rest are on the contrary, described
Locating slot is provided with close to the inner side of knife rest is additionally provided with two positioning for carrying pressure cap on the boss c of U-shape structure, mandrel
Bar, locating rod position correspondence locating slot is set, and the width in locating slot bottom boss c gaps and the diameter of locating rod match, institute
The one end for stating locating rod upper pressing cap is fastened on boss c, and the other end is screwed in the screwed hole of mandrel, passes through locating slot and locating rod
Mating reaction is to realize clamping knife rest；Described locating slot and locating rod are located at circumference of the same center using seam as the center of circle
On；Cooling device is additionally provided with described mandrel, liquid pass hole is provided with the cephalic disc side wall of mandrel, liquid pass hole includes phase
Mutual vertically disposed transverse tube and vertical tube two parts, wherein transverse tube run through cephalic disc axle center and parallel with cephalic disc end face, and transverse tube is in head
Cutter head on the correspondence cutterhead of disk lateral opening position, vertical tube extends upwardly to transverse tube inner chamber by mandrel tail end along mandrel axle center,
Vertical tube is provided with flow control valve in mandrel tail end, and the flow control valve is fixed on mandrel tail end and rotated with it.
Described retainer include be sheathed on mandrel have certain thickness circular support body, be arranged on support body and with
Its center of circle is that axle center is centrosymmetric the roller hole and roller of distribution, and the roller hole is the rectangular through-hole being opened on support body,
The roller is the cylinder being arranged in roller hole, and the diameter length of roller is less than roller hole width and more than the thickness of support body
Degree, roller end face is additionally provided with fore-set, and the fore-set is solid cylindrical body, and one end is absorbed in the fore-set groove in support body, another
End, which is against between an end face center of roller, two neighboring roller hole, also sets up catch, and catch length is more than adjacent two roller
The length of cambered surface between hole, is fastened by bolts on support body in the middle of it, two ends are outwards tilted along roller, tilts height less than rolling
The position that bolt is fixed on the peak of post exterior arc surface, the catch is additionally provided with the guide pad for the wear-resisting rectangular square that insulate,
The thickness of guide pad is more than the height of annular boss on mandrel, external arc highest when setting height less than roller on boss
Point.
Described knife bar afterbody is plugged in fixing groove, and fixing groove is cross section groove in a rectangular trapezoid, wherein, tilt
The angle of cell wall and bottom land is 80-85 °, and the shape of knife bar and the shape of fixing groove in insertion fixing groove match, and hold out against spiral shell
One end of bolt passes through the vertical cell wall of fixing groove and held out against in the side of knife bar, and one end of trimming bolt passes through the side wall of fixing groove
And hold out against tail end face in knife bar；Described each group of trimming bolt, puller bolt, fixing groove and boring cutter is with the knife rest center of circle
Centered on be centrosymmetric distribution.
Described roller side is set with upper bottom surface coupling part in cambered surface.
Compared with prior art, the invention has the advantages that：
A kind of anti-scraping boring head with cooling device of the present invention, by the position of mandrel side correspondence cutter head
Open up liquid pass hole so that mandrel can be carried out synchronously cold when band dynamic cutter head is cut tube blank inner wall to cutting position
But and lubrication, it is to avoid burn out cutter head because of friction overheat, compensate for original not thorough from the perfusion coolant cooling of boring head afterbody
Situation, extend the whole service life of boring head, improve the crudy of boring head, improvement of the invention is simple, easily plus
Work, transformation can be directly processed on existing finished product boring head, can in industry be promoted the use of.
By the way that roller hole on retainer is changed into the consistent rectangular opening of upper and lower opening from outer small interior big coniform hole, solve
Roller maintenance replacing must disassemble the problem of mandrel is changed from inside, pass through using cooperatively for rectangular opening and catch, roller
Will not outwards it deviate from when being rotated with mandrel, when overhauling and change, removing catch can outwards pour out roller,
The process that roller is changed in maintenance is simplified, saves and sets the guide pad of timber material to carry out on the working time of maintenance, catch
Support so that when boring head is exited from pipe inner chamber, cutterhead or roller metalloid workpiece do not contact inwall, it is to avoid metalwork pair adds
The good tube blank inner wall of work is scratched, and influences processing effect.
Brief description of the drawings
Fig. 1 is a kind of cutter head structure schematic diagram of the anti-scraping boring head with cooling device of the present invention；
Fig. 2 is a kind of end face of mandrel structural representation of the anti-scraping boring head with cooling device of the present invention；
Fig. 3 is that a kind of fixing groove of anti-scraping boring head with cooling device of the present invention and knife bar coupling part are erected and cut open structure
Schematic diagram；
Fig. 4 is that a kind of fixing groove of anti-scraping boring head with cooling device of the present invention and knife bar coupling part are erected and cut open structure
Schematic diagram；
Fig. 5 is a kind of retainer structural representation of the anti-scraping boring head with cooling device of the present invention；
Fig. 6 is a kind of roller mounting means schematic diagram of the anti-scraping boring head with cooling device of the present invention；
Fig. 7 is a kind of core shaft structure schematic diagram of the anti-scraping boring head with cooling device of the present invention；
Fig. 8 cuts open structural representation for a kind of mandrel of the anti-scraping boring head with cooling device of the present invention is perpendicular；
Marked in figure：1st, cutterhead, 101, knife rest, 1001, trimming bolt, 1002, puller bolt, 1003, fixing groove, 102,
Boring cutter, 1021, knife bar, 1022, cutter head, 103, seam, 104, locating slot, 105, locating rod, 1051, pressure cap, 106, limit shaft,
2nd, mandrel, 201, cephalic disc, 202, liquid pass hole, 203, flow control valve, 3, retainer, 301, support body, 302, roller hole, 303, rolling
Post, 304, catch, 305, bolt, 306, fore-set, 307, guide pad.
Embodiment
Below in conjunction with the accompanying drawings, by embodiment, the present invention is further illustrated.
It is of the present invention a kind of to be carried with the cold anti-scraping boring head for removing device, including the fixed cutterhead 1 of rotation, middle part
Annular boss a mandrel 2, retainer 3 and plane bearing, wherein cutterhead 1 is fixedly connected in the cephalic disc 201 of mandrel 2, is kept
Frame 3 is slidably located on the annular boss a at the middle part of mandrel 2, and plane bearing is fastened on retainer 3 and the tail end excircle of mandrel 3
Screw thread between, the boring cutter 102 that the fixed cutterhead 1 of the rotation includes discoid knife rest 101 and is connected on knife rest 101, knife
The medial surface of frame 101 is fixed on mandrel 2, and lateral surface, which is offered, sets multiple fixing grooves 1003 on centrosymmetric boss b, boss b,
The boring cutter 102 includes knife bar 1021 and is connected to the cutter head 1022 of the one end of knife bar 1021, one end protrusion knife rest of cutter head 1022
101 outer diameter face and with the synchronous rotary of knife rest 101, and during cutter head 1022 is generally aligned in the same plane, and every group of cutter head 1022 is when rotating
Place plane is mutually parallel, and the described home position of knife rest 101 is additionally provided with seam 103, and seam 103 is a cylindrical type through hole,
In the limit shaft 106 that correspondence mandrel 2 end face home position is set, the insertion seam 103 of limit shaft 106, it is additionally provided with knife rest 101
Two locating slots 104, it with seam 103 is that axle center is centrosymmetric the U-type groove of distribution, the opening of U-type groove that the locating slot 104, which is,
Direction and the direction of rotation of knife rest 101 close to the inner side of knife rest 101 in the locating slot 104 on the contrary, be provided with U-shape structure
Boss c, two locating rods 105 for carrying pressure cap 1051, the position of locating rod 105 correspondence locating slot 104 are additionally provided with mandrel 2
Set, the width and the diameter of locating rod 105 in the bottom boss c gaps of locating slot 104 match, the upper pressing cap of locating rod 105
1051 one end is fastened on boss c, and the other end is screwed in the screwed hole of mandrel 2, is matched somebody with somebody by locating slot 104 and locating rod 105
Cooperation is to realize clamping knife rest 101；Described locating slot 104 and locating rod 105 be located at the same center using seam 103 as
On the circumference in the center of circle, it is ensured that cutterhead 1 keeps balance during rotation, and abrasion will not be produced because of the cheap of centrifugal force,
And cutter head 1022 is located in approximately the same plane, i.e., before the cutting plane that is processed of only one of which cutter head 1022, use now
Multiple cutter heads 1022 are cut, and cutting rate is significantly improved, and quality is also more preferable than before.
Cooling device is additionally provided with described mandrel 2, liquid pass hole is provided with the side wall of cephalic disc 201 of mandrel 2
202, liquid pass hole 202 includes the transverse tube and vertical tube two parts that are arranged in a mutually vertical manner, wherein transverse tube through the axle center of cephalic disc 201 and with head
The end face of disk 201 is parallel, and cutter head 1022 of the transverse tube on the correspondence cutterhead 1 of the lateral opening position of cephalic disc 201, vertical tube passes through mandrel 2
Tail end extends upwardly to transverse tube inner chamber along the axle center of mandrel 2, and vertical tube is provided with flow control valve 203, the flow in the tail end of mandrel 2
Regulating valve 203 is fixed on the tail end of mandrel 2 and rotated with it, when mandrel 2 is with drive rod rotation, with the cutter head on movable knife disc 1
1022 pairs of tube blank inner walls carry out rotary cutting, because the rotating speed of mandrel 2 is very fast, are mutually rubbed with tube blank inner wall during rotation
Wipe and produce substantial amounts of heat, now the substantial amounts of rust coolant liquid of outflow out of liquid pass hole 202, on the one hand to the cutter head 1022 of heating
To the effect of cooling, the antirust composition in another aspect coolant can extend the service life of mandrel 2 or even whole boring head, reduction
The maintenance replacement cost of processing equipment.The rotating speed of mandrel 2 is different, and the caloric value that cutter head 1022 rubs is also different, it is corresponding the need for
The amount of rust coolant liquid is also variant, and the flow control valve 203 set in the tail end of mandrel 2 can be prevented the outflow of liquid pass hole 202
The amount of rust coolant is controlled, and will not both have been sprayed and excessively caused to waste, and also will not influence cooling very little because of coolant
Effect.
Described retainer 3, which includes being sheathed on, to be had certain thickness circular support body 301, is arranged on support body on mandrel 2
Be centrosymmetric the roller hole 302 and roller 303 of distribution on 301 and by axle center of its center of circle, and the roller hole 302 is is opened in
Rectangular through-hole on support body 301, the roller 303 is the cylinder being arranged in roller hole 302, the diameter length of roller 303
Less than the width of roller hole 302 and more than the thickness of support body 301, the end face of roller 303 is additionally provided with fore-set 306, the fore-set
306 be solid cylindrical body, and one end is absorbed in the fore-set groove in support body 301, and the other end is against an end face center of roller 303,
Catch 304 is also set up between two neighboring roller hole 302, the length of catch 304 is more than the length of cambered surface between adjacent two roller hole 302
Degree, is fastened on support body 301 by bolt 305 in the middle of it, and two ends are outwards tilted along roller 303, is tilted height and is less than roller 303
The position that bolt 305 is fixed on the peak of exterior arc surface, the catch 304 is additionally provided with the guiding for the wear-resisting rectangular square that insulate
Block 307, the thickness of guide pad 307 is more than the height of annular boss on mandrel, when setting height less than roller 303 on boss
External arc peak.
Guide pad 307 preferably uses timber, and timber quality is softer, the guide pad 307 of surrounding when boring head exits pipe inner chamber
It is affixed to inwall, it is to avoid cutterhead or the metalloid workpiece of roller 303 scratch the tube blank inner wall processed.
Described catch 304 is rectangular, and rectangle catch 304 extends outward projection close to the corner of roller 303, raised
Highly it is located at the peak of exterior arc surface when on boss less than roller 303, rectangle catch 304 is inconvenient to adjust tilting when in use
Height, the projection of 304 4 jiaos of extensions of catch then can preferably adjust the height of projection, if highly improper, can make
It is adjusted with sharp-crested tweezers.
The described side of roller 303 is set with upper bottom surface coupling part in cambered surface, the edge of roller 303 that cambered surface is set,
So that roller 303 is not in cut when compacting polishing is carried out to pipe side wall, compacting polishing can be effectively improved
Quality.
The guide pad 307 being arranged on catch 304, which is centrosymmetric, to be distributed on the support body 301 of rear retainer, in
The symmetrical set-up mode of the heart ensure that support body 301 being capable of smooth rotation during being worked with mandrel 2, it is to avoid because circumference by
Power is uneven and causes to rotate axial deflection.
The described afterbody of knife bar 1021 is plugged in fixing groove 1003, and fixing groove 1003 is in a rectangular trapezoid recessed in cross section
Groove, wherein, the angle for tilting cell wall and bottom land is 80-85 °, the shape and fixing groove of the knife bar 1021 in insertion fixing groove 1003
1003 shape matches, and one end of puller bolt 1002 passes through the vertical cell wall of fixing groove 1003 and held out against in knife bar 1021
Sideways, one end of trimming bolt 1001 through fixing groove 1003 side wall and hold out against tail end face in knife bar 1021；Described
During each group of trimming bolt 1001, puller bolt 1002, fixing groove 1003 and boring cutter 102 are in centered on the center of circle of knife rest 101
The heart is symmetrical.
Claims (2)
1. a kind of anti-scraping boring head with cooling device, including the fixed cutterhead of rotation（1）, middle part is with annular boss a
Mandrel（2）, retainer（3）And plane bearing, wherein cutterhead（1）It is fixedly connected on mandrel（2）Cephalic disc（201）On, keep
Frame（3）Be slidably located in mandrel（2）On the annular boss a at middle part, plane bearing is fastened on retainer（3）It is cylindrical with mandrel tail end
Between screw thread on week, it is characterised in that：The fixed cutterhead of the rotation（1）Including discoid knife rest（101）Be connected to knife
Frame（101）On boring cutter（102）, knife rest（101）Medial surface is fixed on mandrel（2）, lateral surface offers centrosymmetric boss
Multiple fixing grooves are set on b, boss b（1003）, the boring cutter（102）Including knife bar（1021）Be connected to knife bar（1021）One
The cutter head at end（1022）, cutter head（1022）One end protrusion knife rest（101）Outer diameter face and with knife rest（101）Synchronous rotary, often
Individual cutter head（1022）Mutually parallel, the described knife rest of plane where during rotation（101）Home position is additionally provided with seam（103）,
Seam（103）For a cylindrical type through hole, correspondence mandrel（2）The limit shaft that end face home position is set（106）, limit shaft（106）
Insert seam（103）It is interior, knife rest（101）On be additionally provided with two locating slots（104）, the locating slot（104）It is with seam
（103）Be centrosymmetric the U-type groove of distribution for axle center, the opening direction and knife rest of U-type groove（101）Direction of rotation on the contrary,
The locating slot（104）Close to knife rest（101）Inner side be provided with the boss c of U-shape structure, mandrel（2）On be additionally provided with
Two carry pressure cap（1051）Locating rod（105）, locating rod（105）Position correspondence locating slot（104）Set, locating slot
（104）The width and locating rod in bottom boss c gaps（105）Diameter match, the locating rod（105）Upper pressing cap（1051）
One end be fastened on boss c, the other end screw in mandrel（2）Screwed hole in, pass through locating slot（104）And locating rod（105）
Mating reaction is to realize clamping knife rest（101）；Described locating slot（104）And locating rod（105）Positioned at same with seam
（103）Center for the center of circle circumference on；Described mandrel（2）On be additionally provided with cooling device, positioned at mandrel（2）Cephalic disc
（201）Liquid pass hole is provided with the wall of side（202）, liquid pass hole（202）Including the transverse tube and vertical tube two parts being arranged in a mutually vertical manner, its
Middle transverse tube runs through cephalic disc（201）Axle center and and cephalic disc（201）End face is parallel, and transverse tube is in cephalic disc（201）Lateral opening position pair
Answer cutterhead（1）On cutter head（1022）, vertical tube passes through mandrel（2）Tail end is along mandrel（2）Axle center extends upwardly to transverse tube inner chamber, erects
Pipe is in mandrel（2）Tail end is provided with flow control valve（203）, the flow control valve（203）It is fixed on mandrel（2）Tail end is with it
Rotate, described retainer（3）Including being sheathed on mandrel（2）It is upper that there is certain thickness circular support body（301）, be arranged on frame
Body（301）The roller hole of the upper and distribution that is centrosymmetric by axle center of its center of circle（302）And roller（303）, the roller hole
（302）To be opened in support body（301）On rectangular through-hole, the roller（303）To be arranged at roller hole（302）Interior cylinder
Body, roller（303）Diameter length be less than roller hole（302）Width and more than support body（301）Thickness, roller（303）One
End face is additionally provided with fore-set（306）, the fore-set（306）For solid cylindrical body, one end is absorbed in support body（301）Interior fore-set groove
In, the other end is against roller（303）An end face center, two neighboring roller hole（302）Between also set up catch（304）,
Catch（304）Length is more than adjacent two roller hole（302）Between cambered surface length, pass through bolt in the middle of it（305）It is fastened on frame
Body（301）On, two ends are along roller（303）Outwards tilt, tilt height and be less than roller（303）The peak of exterior arc surface, it is described
Catch（304）Upper bolt（305）Fixed position is additionally provided with the guide pad for the wear-resisting rectangular square that insulate（307）, guide pad
（307）Thickness be more than mandrel on annular boss height, set height be less than roller（303）External arc is most when on boss
High point, described knife bar（1021）Afterbody is plugged in fixing groove（1003）In, fixing groove（1003）It is in a rectangular trapezoid for cross section
Groove, wherein, the angle for tilting cell wall and bottom land is 80-85 °, inserts fixing groove（1003）Interior knife bar（1021）Shape
With fixing groove（1003）Shape match, puller bolt（1002）One end pass through fixing groove（1003）Vertical cell wall and push up
Tightly in knife bar（1021）Side, trimming bolt（1001）One end pass through fixing groove（1003）Side wall and hold out against in knife bar
（1021）Tail end face；Trimming bolt described in each group（1001）, puller bolt（1002）, fixing groove（1003）And boring cutter
（102）With knife rest（101）Be centrosymmetric distribution centered on the center of circle.
2. a kind of anti-scraping boring head with cooling device as claimed in claim 1, it is characterised in that：Described roller
（303）Side is set with upper bottom surface coupling part in cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510471708.XA CN105057719B (en) | 2015-08-05 | 2015-08-05 | Anti-scratch boring head with cooling device |
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| CN201510471708.XA CN105057719B (en) | 2015-08-05 | 2015-08-05 | Anti-scratch boring head with cooling device |
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| CN105057719A CN105057719A (en) | 2015-11-18 |
| CN105057719B true CN105057719B (en) | 2017-08-29 |
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