CN206356604U - Deep hole interior spherical surface boring tool device - Google Patents
Deep hole interior spherical surface boring tool device Download PDFInfo
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- CN206356604U CN206356604U CN201621097675.3U CN201621097675U CN206356604U CN 206356604 U CN206356604 U CN 206356604U CN 201621097675 U CN201621097675 U CN 201621097675U CN 206356604 U CN206356604 U CN 206356604U
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Abstract
Deep hole interior spherical surface boring tool device, including deep hole interior spherical surface preprocessing drill bit and boring cutter mechanism, deep hole interior spherical surface preprocessing drill bit are imitative round bur, are made up of bit body, guide pad and standard triangular blade；Boring cutter mechanism is made up of boring head, boring bar and hand-operated mechanism, and boring head coordinates bearing pin to be connected with boring bar using diameter of axle gap, and boring bar is connected with hand-operated mechanism by diameter of axle gap attachment screw.The utility model realizes the boring of deep hole interior spherical surface, not only production efficiency is high, cost is lower than old structure, and crudy can be guaranteed, solve the problem that deep hole interior spherical surface can not be processed always, the utility model is easy to use, versatility is good, can meet the deep hole interior spherical surface processing of different depth, different radii.
Description
Technical field
The utility model is related to machine tooling equipment technical field, and in particular to a kind of deep hole interior spherical surface boring tool device.
Background technology
Deep-hole boring cutter is also deep-hole boring head, and deep-hole boring head is divided into split type and two kinds of combined type.Deep-hole boring head is deep hole knife
One kind of tool, at present, deep hole drilling and boring machine can only process straight hole in the prior art, and straight hole can be through hole, blind hole and shoulder hole, though
The development of technology, some deep-hole boring cutters can carry out interior W shapes, the processing of the blind hole in V-Bottom hole, but not occur depth all the time
The machining tool of hole Internal Spherical Surface.Part for example when appearance as shown in Figure 6, it is desirable to boring boring φ 132+0.5In Kong Houzai is carried out
The bottom outlet processing of sphere, 3.2 μm of surface roughness Ra, this is accomplished by a kind of deep hole interior spherical surface boring tool device and completes adding for Internal Spherical Surface
Work.In addition Internal Spherical Surface drill bit in the prior art, is usually on the structure that chit drill is used on the basis of deep hole drill, i.e., 1/4 circle
There is the blade of a circular arc, stock-removing efficiency is low, blade can not manually grind accurate R66 circular arcs, can only be approximate, accurately must
It need to be processed on pentahedron tool grinder, reface difficulty.Accompanying drawing 7 is Internal Spherical Surface drill bit structure sketch in the prior art, in bit body 1
Radial direction be mounted with three guide pads 2, positioning support is played to 1/4 circular knife, it is ensured that the correct position of boring blade 3.Cutting oil
By awarding oily device supply, chip is discharged by bit body endoporus.Blade is special-shaped blade, if using welding blade, overall sharpening is such as
Fruit uses and manually whetted a knife, it is impossible to grind accurate R66 circular arcs, relief angle can not be ground, can only be approximate, if necessary to accurately must
It need to be processed on pentahedron tool grinder, a pentahedron tool grinder lowest price is more than 2,000,000, good 10,000,000, reality is not
It is feasible.If blade commercially can't buy using mechanical clamped cutting blade, if ordering domestic special-shaped blade, a kind of specification is corresponding
Mould takes for 30,000 yuan or so, blade 120-200 members/piece；Central point linear velocity is zero, and control is bad to be easy to tipping, has at one
Tipping cannot be used；And do not possess versatility, and it is actual also infeasible, hold and dare not accept at all for general enterprises.
Utility model content
The utility model provide a kind of deep hole interior spherical surface boring tool device, with solve prior art presence can not process depth
The problem of hole Internal Spherical Surface.
The utility model solves the technical scheme that its technical problem used：
A kind of deep hole interior spherical surface boring tool device, including deep hole interior spherical surface preprocessing drill bit and boring cutter mechanism, deep hole interior spherical surface
Preprocessing drill bit is imitative round bur, is made up of bit body, guide pad and standard triangular blade, guide pad has with inner hole of workpiece
0.03-0.05mm gaps；Boring cutter mechanism is made up of boring head, boring bar and hand-operated mechanism, and boring head is coordinated with boring bar using axis hole gap
Bearing pin is connected, and boring bar is connected with hand-operated mechanism by axis hole gap attachment screw, one bearing pin of boring head front end installation, knife bar around
Bearing pin rotates, and blade is installed in knife bar one end, and the knife bar other end connects a connecting rod, the mandrel being built in boring head and connecting rod phase
Even, three uniform guide pads are set on the boring cutter body of boring head；Core bar inside boring bar is connected with the mandrel of boring head, inside boring bar
The mandrel being axially movable is fixed in boring bar body by splicing sleeve, and boring bar body is connected using rectangular thread, is opened on mandrel
Have and be fixed by screws on keyway, boring bar body on keyway, splicing sleeve sets oil-through hole；Hand-operated mechanism is by nut, screw rod, umbrella
Gear, bearing, index dial and handwheel composition, hand-operated mechanism are made up of a pair of bevel gears, screw rod and nut, and handwheel drives bevel gear
Rotation moves axially mandrel by nut rotation, and index dial is set on handwheel.
Insert is rhombus coating mechanical clamped cutting blade, and mandrel is positioned and can slid axially and connecting rod and knife bar by splicing sleeve
Connected by bearing pin.
Above-mentioned handwheel rotation turns around the mandrel amount of feeding for 2mm, and the circle of index dial one is 50 lattice, then be per the lattice mandrel amount of feeding
0.04mm。
Operation principle of the present utility model：Deep hole interior spherical surface preprocessing drill bit is carried out in advance for the processing of inner sphere boring cutter device
Processing, makes processing chipping allowance variation be changed in 0.4mm, as shown in fig. 7, after being drilled with the deep hole drills of φ 110, bottom outlet end
Face is shaped as W types, and this shape is not suitable for directly carrying out sphere processing, partial operation surplus with deep hole interior spherical surface boring tool device
Greatly, easily forge a knife, it is necessary to which 60-80 reciprocal processing, efficiency is low, it is necessary to imitate round bur with φ 131.5 and add W type right cone bottom outlets
Work so carries out sphere processing with deep hole interior spherical surface boring tool device again into the shape close to Internal Spherical Surface, is just very easy to, and only needs
3 reciprocal processing, efficiency is improved, and guide pad has 0.03-0.05mm gaps with inner hole of workpiece, and vibration is easy in processing
Tipping, even if accidentally there is tipping, only need to change a standard triangular blade and just solve, easily, price is also cheap；Boring
Head can be around bearing pin rotary motion, blade formation arc track due to knife bar, and along with the rotary motion of workpiece, Compound Machining goes out
The profile of Internal Spherical Surface, in order that knife bar has enough rigidity, using 40Cr materials, quenched T235 obtains good comprehensive mechanical
Performance, while also ensureing there is certain wearability with bearing pin；The radial feed of boring head is axially moved by the core bar inside boring bar
Move to realize, the mandrel that inside is axially movable is supported by set and is fixed in boring bar, and mandrel is connected by several sections of by taper pin, boring
Bar body is still lengthened using rectangular thread connection, therefore boring bar body can be changeable as needed, and boring bar body is not
Turn, mandrel is moved axially, being provided with mandrel on keyway, boring bar body has screw to be fixed on keyway, and mandrel can not be rotated, supporting
Oil-through hole is cased with, oil can also be led in addition to supporting mandrel, oil is cut during processing and is flowed into from boring bar afterbody in part to be processed
Bottom hole portion.The utility model the whole series component is fixed on boring bar fixed mount and awarded in oily device guide sleeve supporting, boring bar fixed mount or boring
The motor-driven band cutter of bar case planker realizes axial feed motion, can also pass through hand gear (having hand and index dial) micro shifting
It is dynamic.
The utility model realizes the boring of deep hole interior spherical surface, and not only production efficiency is high, and cost is lower than old structure, Er Qiejia
Working medium amount can be guaranteed, and solve the problem that deep hole interior spherical surface can not be processed always, and the utility model is easy to use, general
Property it is good, can meet different depth, different radii deep hole interior spherical surface processing.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the utility model boring cutter mechanism；
Fig. 2 is the structural representation of the utility model boring head；
Fig. 3 is the schematic diagram of Section A-A in Fig. 2；
Fig. 4 is the structural representation of the utility model boring bar；
Fig. 5 is the structural representation of the utility model hand-operated mechanism；
Fig. 6 is the structural representation that boring cutter processes part；
Fig. 7 is the structural representation of Internal Spherical Surface drill bit in the prior art；
Fig. 8 is the structural representation of the utility model deep hole interior spherical surface preprocessing drill bit.
1 bit body, 2 guide pads, 3 special-shaped blades, 4 bit bodys, 5 guide pads, 6 standard triangular blades, 7 mandrels, 8 in figure
Guide pad, 9 connecting rods, 10 bearing pins, 11 knife bars, 12 blades, 13 boring cutter bodies, 14 mandrels, 15 splicing sleeves, 16 boring bar bodies, 17 screws,
18 nuts, 19 screw rods, 20 bevel gears, 21 bearings, 22 index dials, 23 handwheels, 24 boring heads, 25 boring bars, 26 hand-operated mechanisms.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 8, a kind of deep hole interior spherical surface boring tool device, including in deep hole
Sphere preprocessing drill bit and boring cutter mechanism, deep hole interior spherical surface preprocessing drill bit are imitative round bur, by bit body 4, the and of guide pad 5
Standard triangular blade 6 is constituted, and guide pad 5 has 0.03-0.05mm gaps with inner hole of workpiece；Boring cutter mechanism is by boring head 24, boring bar
25 and hand-operated mechanism 26 constitute, boring head 24 and boring bar 25 coordinate bearing pin be connected using axis hole gap, boring bar 25 and hand-operated mechanism 26
Connected by axis hole gap attachment screw, a bearing pin 10 is installed in the front end of boring head 24, knife bar 11 rotates around bearing pin 10, knife bar 11
Blade 12 is installed in one end, and the other end of knife bar 11 connects a connecting rod, and the mandrel 7 being built in boring head is connected with connecting rod 9, boring head
Three uniform guide pads 8 are set on boring cutter body 13, and blade 12 is rhombus coating mechanical clamped cutting blade, and mandrel 7 is determined by splicing sleeve 15
Position and it can slide axially and be connected with connecting rod 9 and knife bar 11 by bearing pin；Core bar inside boring bar 25 is connected with the mandrel 7 of boring head,
The mandrel 14 being axially movable inside boring bar 25 is fixed in boring bar body 16 by splicing sleeve 15, and boring bar body 16 uses rectangle
It is provided with keyway, boring bar body 16 and is fixed on by screw 17 on keyway on threaded connection, mandrel 14, splicing sleeve 15 set oil
Hole；Hand-operated mechanism 26 is made up of nut 18, screw rod 19, bevel gear 20, bearing 21, index dial 22 and handwheel 23, hand-operated mechanism by
A pair of bevel gears 20, screw rod 19 and nut 18 are constituted, and handwheel 23, which drives the rotation of bevel gear 20 to be rotated by nut 18, makes mandrel axle
To movement, index dial 22 is set, the rotation of handwheel 23 turns around the mandrel amount of feeding for 2mm, and the circle of index dial one is 50 lattice on handwheel 23, that
It is 0.04mm per the lattice mandrel amount of feeding.
Operation principle of the present utility model：Deep hole interior spherical surface preprocessing drill bit is carried out in advance for the processing of inner sphere boring cutter device
Processing, makes processing chipping allowance variation be changed in 0.4mm, as shown in fig. 7, after being drilled with the deep hole drills of φ 110, bottom outlet end
Face is shaped as W types, and this shape is not suitable for directly carrying out sphere processing, partial operation surplus with deep hole interior spherical surface boring tool device
Greatly, easily forge a knife, it is necessary to which 60-80 reciprocal processing, efficiency is low, it is necessary to imitate round bur with φ 131.5 and add W type right cone bottom outlets
Work so carries out sphere processing with deep hole interior spherical surface boring tool device again into the shape close to Internal Spherical Surface, is just very easy to, and only needs
3 reciprocal processing, efficiency is improved, and guide pad has 0.03-0.05mm gaps with inner hole of workpiece, and vibration is easy in processing
Tipping, even if accidentally there is tipping, only need to change a standard triangular blade and just solve, easily, price is also cheap；Boring
Head can be around bearing pin rotary motion, blade formation arc track due to knife bar, and along with the rotary motion of workpiece, Compound Machining goes out
The profile of Internal Spherical Surface, in order that knife bar has enough rigidity, using 40Cr materials, quenched T235 obtains good comprehensive mechanical
Performance, while also ensureing there is certain wearability with bearing pin；The radial feed of boring head is axially moved by the core bar inside boring bar
Move to realize, the mandrel that inside is axially movable is supported by set and is fixed in boring bar, and mandrel is connected by several sections of by taper pin, boring
Bar body is still lengthened using rectangular thread connection, therefore boring bar body can be changeable as needed, and boring bar body is not
Turn, mandrel is moved axially, being provided with mandrel on keyway, boring bar body has screw to be fixed on keyway, and mandrel can not be rotated, supporting
Oil-through hole is cased with, oil can also be led in addition to supporting mandrel, oil is cut during processing and is flowed into from boring bar afterbody in part to be processed
Bottom hole portion.The utility model the whole series component is fixed on boring bar fixed mount and awarded in oily device guide sleeve supporting, boring bar fixed mount or boring
The motor-driven band cutter of bar case planker realizes axial feed motion, can also the micro movement of hand gear handwheel index dial, in reality
In processing, workpiece and deep hole interior spherical surface boring tool device are installed, cutting fluid is opened, by the processing to first test specimen, if
It was found that the R66 inner sphere radius bored are less than normal or bigger than normal, it can be realized, be needed again by adjusting the relative position of knife bar and blade
Manufacture knife bar；In order to cost-effective, an eccentric bushing can also be increased between knife bar and bearing pin, according to examination survey radial difference come
The offset of eccentric bushing is determined, is adjusted during assembling.
It is controlled when being processed with deep hole interior spherical surface boring tool device, it is necessary to move into depth to cutter head, shown in Fig. 4, at the beginning of knife bar
Beginning, 5 ° of vertical orientations were deviateed in position, and so when introducing cutter, point of a knife will not scratch bore area.Handwheel on rotary cutter, makes
Knife bar is in vertical orientations, then places the thick gauge blocks of a 10mm in workpiece end face, and knife bar touching upper gauge block side is made during beginning,
Here it is original position；Then a whole set of cutter moves axially 2942+10mm, boring bar fixed mount（Boring bar case）Planker maneuver autopilot,
It is fixed that index dial on either lead screw transmission or rack pinion, handwheel, which rotates one and encloses axial internal clearance, is remembered
The number of turns of rotation, is changed to rotate handwheel manually again during fast approximated position（There is index dial）, thus reach and terminate Working position.
, it is necessary to carry out half right boring twice and right boring processing, for the first time partly when being processed with deep hole interior spherical surface boring tool device
Right boring allowance is 0.8mm, and second of half right boring allowance is 0.2mm, and the allowance of right boring is 0.06mm, plays and repaiies
The effect of light, such endoporus can obtain best surface roughness, can reach Ra1.6 μm.
The boring of deep hole interior spherical surface is realized using inner sphere boring cutter device on deep hole lathe TS2120, not only production effect
Rate is high, and cost is lower than old structure, and crudy can be guaranteed, and roughness solves ball in deep hole up to Ra1.6 μm
The problem that face can not be processed always.The structure is easy to use, versatility is good, can meet the deep hole of different depth, different radii
Inner sphere working.
Claims (3)
1. a kind of deep hole interior spherical surface boring tool device, it is characterized in that including deep hole interior spherical surface preprocessing drill bit and boring cutter mechanism, deep hole
Internal Spherical Surface preprocessing drill bit is imitative round bur, is made up of bit body, guide pad and standard triangular blade, guide pad and workpiece
Endoporus has 0.03-0.05mm gaps；Boring cutter mechanism is made up of boring head, boring bar and hand-operated mechanism, and boring head is matched somebody with somebody with boring bar using bearing pin
Sympodium footpath gap is connected, and boring bar is connected with hand-operated mechanism by screw fit diameter of axle gap, and a bearing pin, knife are installed in boring head front end
Bar rotates around bearing pin, and blade is installed in knife bar one end, and the other end connects a connecting rod, the mandrel being built in boring head and connecting rod phase
Even, three uniform guide pads are set on the boring cutter body of boring head；Core bar inside boring bar is connected with the mandrel of boring head, inside boring bar
The mandrel being axially movable is fixed in boring bar body by splicing sleeve, and boring bar body is connected using rectangular thread, is opened on mandrel
Have and be fixed by screws on keyway, boring bar body on keyway, splicing sleeve sets oil-through hole；Hand-operated mechanism is by nut, screw rod, umbrella
Gear, bearing, index dial and handwheel composition, hand-operated mechanism are made up of a pair of bevel gears, screw rod and nut, and handwheel drives bevel gear
Rotation moves axially mandrel by nut rotation, and index dial is set on handwheel.
2. deep hole interior spherical surface boring tool device according to claim 1, it is characterized in that blade is rhombus coating mechanical clamped cutting blade, core
Axle is positioned and can slid axially by splicing sleeve and is connected with connecting rod and knife bar by bearing pin.
3. deep hole interior spherical surface boring tool device according to claim 1, it is characterized in that handwheel rotation is turned around, the mandrel amount of feeding is
2mm, the circle of index dial one is 50 lattice, then every lattice mandrel amount of feeding is 0.04mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097675.3U CN206356604U (en) | 2016-10-06 | 2016-10-06 | Deep hole interior spherical surface boring tool device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097675.3U CN206356604U (en) | 2016-10-06 | 2016-10-06 | Deep hole interior spherical surface boring tool device |
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| CN206356604U true CN206356604U (en) | 2017-07-28 |
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| CN201621097675.3U Active CN206356604U (en) | 2016-10-06 | 2016-10-06 | Deep hole interior spherical surface boring tool device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282955A (en) * | 2017-08-26 | 2017-10-24 | 宣城尤达美智能科技有限公司 | A kind of robot device |
| CN109332755A (en) * | 2018-10-17 | 2019-02-15 | 中北大学 | A kind of the internal screw thread borer and its boring process of reducing |
-
2016
- 2016-10-06 CN CN201621097675.3U patent/CN206356604U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282955A (en) * | 2017-08-26 | 2017-10-24 | 宣城尤达美智能科技有限公司 | A kind of robot device |
| CN109332755A (en) * | 2018-10-17 | 2019-02-15 | 中北大学 | A kind of the internal screw thread borer and its boring process of reducing |
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