CN107186254A - A kind of combined type solid boring bar mechanism and deep hole drill method - Google Patents
A kind of combined type solid boring bar mechanism and deep hole drill method Download PDFInfo
- Publication number
- CN107186254A CN107186254A CN201710338146.0A CN201710338146A CN107186254A CN 107186254 A CN107186254 A CN 107186254A CN 201710338146 A CN201710338146 A CN 201710338146A CN 107186254 A CN107186254 A CN 107186254A
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- Prior art keywords
- drilling rod
- chip
- drive
- chip removal
- fixed
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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
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention relates to a kind of combined type solid boring bar mechanism and deep hole drill method, the position of drilling rod correspondence chip area is additionally provided with auxiliary drilling rod, and auxiliary drilling rod includes inner hole grinding mechanism, chip removal mechanism and auxiliary drilling rod drive mechanism；Inner hole grinding mechanism includes the hobboing cutter and spiral scraper being arranged on auxiliary drilling rod, chip removal mechanism includes the spring leaf of a helical structure sequential like, and auxiliary drilling rod drive mechanism includes a coaxial drag ring being fixed in rotary shaft and one is fixed in frame the transmission mechanism for being used to drive drag ring to rotate；Deep hole drill method includes including prebored hole step, charging procedure, depth drill step, inner walls of deep holes grinding steps, deburring step, chip removal step and differential chip removal step successively；Depth drill is realized by drilling rod, inner walls of deep holes is ground using hobboing cutter, deburring step is carried out to endoporus using spiral scraper, chip removal step is carried out using spring leaf；The reprocessing and chip removal to inner walls of deep holes are disposably completed, efficiency is improved.
Description
Technical field
The present invention relates to depth drill drilling rod and method, specifically belong to a kind of combined type solid boring bar mechanism and
Deep hole drill method.
Background technology
In depth drill progress, the discharge of chip is always a problem, and excessive cutting accumulation can cause hole machined quality
It is deteriorated, stifled brill stuck phenomenon can be caused when serious, is fractureed.Chip is discharged not in time simultaneously, can also cause secondary to endoporus
Grinding so that the roughness and glossiness of hole machined linearity and machined surface are deteriorated.General solution is by work
Skill parameter improvement improves with increase oil pressure, but actual effect is bad.Particularly to some difficult-to-machine material crudies compared with
Difference, while serious influence drilling efficiency.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the low technical problem of depth drill chip removal efficiency in the prior art, carry
For a kind of combined type solid boring bar mechanism and deep hole drill method.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of combined type solid boring bar mechanism, including drilling rod, drilling rod chuck and frame for clamping drilling rod；Drilling rod chuck is consolidated
It is fan-shaped chip area due in frame, being machined with section on the drilling rod, in the position of drilling rod correspondence chip area also
Auxiliary drilling rod is provided with, the auxiliary drilling rod includes inner hole grinding mechanism, chip removal mechanism and auxiliary drilling rod drive mechanism；
A rotating seat A is connected with the cutting edge position of axial one end correspondence drilling rod of the drilling rod chip area, in the axle of drilling rod
The other end is provided with a rotating seat B, the auxiliary drilling rod includes a rotary shaft, one end and rotating seat A of rotary shaft it
Between rotate connection, the other end of rotary shaft is connected with rotating seat B rotations；The inner hole grinding mechanism includes being arranged at auxiliary drilling rod
On hobboing cutter and spiral scraper, wherein hobboing cutter is fixed on the cutting edge position of rotary shaft correspondence drilling rod, and spiral scraper is fixed on hobboing cutter
Rear portion；The cutting that hobboing cutter surface is provided with some bar shapeds is raised, and the axis of the axis and hobboing cutter that cut projection is obliquely installed；It is described
Spiral scraper is rigid helical structure, and cutting edge is provided with the outer rim of spiral scraper；The chip removal mechanism is located at spiral scraper
Afterbody, chip removal mechanism includes the spring leaf of helical structure sequential like, and spring leaf is coaxially fixed in rotary shaft；Wherein revolve
The axle center of rotating shaft is L with respect to the distance in drilling rod axle center, and the radius that projection is cut in rotary shaft is R1, the radius of spiral scraper cutting edge
For R2, the radius of drilling rod is D, wherein (L+R1-D)/D values are 10 ‰ to 1%；(L+R2-D)/D values are 1% to 5%；
The auxiliary drilling rod drive mechanism includes a coaxial drag ring being fixed in rotary shaft and one is fixed on frame
The upper transmission mechanism for being used to drive drag ring to rotate, the fixed position of drag ring is located at the afterbody of chip removal mechanism, drag ring and row
One section of chip removal space is provided between the afterbody for considering mechanism to be worth doing；The transmission mechanism includes a rotating seat being fixed in frame,
A rotation connecting hole is provided with the middle part of rotating seat, is rotated coaxially in the rotation connecting hole inwall and is connected with a driving
Ring, is provided with for the friction inwall with drag ring frictional connection in the inwall of driving ring, is set in the peripheral annular of driving ring
There is drive gear；Drive gear is connected on transmission mechanism, and driving ring is realized by the driving of the drive gear of transmission mechanism
Rotate.
As a further innovation of the present invention, the transmission mechanism includes a drive shaft, use is provided with the driving shaft
In the driving wheel disc engaged with drive gear, drive shaft is connected with motor.
As a further innovation of the present invention, a drilling rod chuck drive gear is additionally provided with the drive shaft,
It is connected with the drive shaft by spline slide in a sliding sleeve, the connection of drilling rod chuck drive pinion rotation and sliding sleeve outer wall,
Tooth connection A is provided with the side of the drive gear, a drive disk is fixedly connected with the drive shaft, described
Tooth connection B is provided with drive disk, dental inlay coordinates between tooth connection A and tooth connection B；Also it is rotatably connected in the drive shaft
One pushes away only disk, pushes away and is only connected between disk and drive disk by diastole spring；It is coaxially disposed in the middle part of the drilling rod chuck
Have and the drilling rod chuck drive gear meshed gears ring；A drilling rod chuck lock is additionally provided with the drilling rod chuck afterbody
Only gear ring, the fixed gear for being engaged with the drilling rod chuck locking tooth torus is fixed with frame.
As a further innovation of the present invention, array is provided with some sliding eyes on the drive disk, pushed away only described
Array is provided with some sliding bars coordinated with sliding eye on disk, and the diastole spring, which is located at, slides boom end with sliding bore ends
Between.
As a further innovation of the present invention, the afterbody in drilling rod dorsad cutting edge side is provided with an adapter sleeve, connect
Set is fixed on the afterbody of drilling rod by screw, and rotating seat B includes the projection of a circular tube shaped being arranged on adapter sleeve, rotary shaft
Afterbody set be connected to foregoing circular tube shaped projection on；Rotating seat A includes a semi-enclosed rotating hole, and the head of rotary shaft is inserted
Enter into foregoing rotating hole.
As a further innovation of the present invention, the rotating seat A is copper, welding and the bottom of chip area.
A kind of deep hole drill method of combined type solid boring bar mechanism, successively including prebored hole step, charging procedure, depth drill
Step, inner walls of deep holes grinding steps, deburring step, chip removal step and differential chip removal step；Wherein drill process is to be drilled
Bullport is got out on the material of hole, the radius of bullport should be 105% to the 101% of drilling rod radius D；Charging procedure is thing hole to be drilled
Expect on clamping on rotary chuck, while by drilling rod clamping to drilling rod chuck, while so that drag ring and the drive of auxiliary drilling rod
The friction inwall contact of rotating ring, now dental inlay, which coordinates, is in relaxation state, while drilling rod chuck locking tooth torus and fixed gear
Engagement, drilling rod chuck is in gripping orientation, and the bullport of material is coaxial extremely with drilling rod to knife；Depth drill step is mobile drilling rod
Chuck so that drilling rod is pushed into material hole to be drilled by bullport, is realized to material by the cutting edge positioned at drill rod end
Cutting, cutting swarf is discharged by chip area；Inner walls of deep holes grinding steps realize rotation for auxiliary drilling rod by the driving of driving ring,
Hobboing cutter on auxiliary drilling rod is contacted with inner walls of deep holes, passes through the raised secondary milling realized to inner walls of deep holes of cutting on hobboing cutter
Grinding is cut, and bulk chip is ground to form to tiny chip；Deburring step is that spiral spiral scraper outer rim is close to depth
Hole inwall, the burr and chip of docile and inner walls of deep holes are struck off, and realize by the rotation of screw thread the movement of chip；Chip removal
Step is struck off for the chip of material by spiral helicine spring leaf from inner walls of deep holes and by being discharged at deep hole opening；Differential chip removal
Step opens spreadet spreadet wheel, and the closure coordinated by dental inlay to remove fixed gear, realizes turning for drilling rod chuck drive gear
The dynamic rotation so as to drive the gear ring on drilling rod chuck, now drilling rod progress slow rotation, slows down drilling rod to hole to be drilled
The turning speed of material, reduces the output of drill rod end chip, and hobboing cutter keeps former speed to be ground chip, carries out chip
Discharge.
The beneficial effects of the invention are as follows：
1st, the auxiliary drilling rod of the invention by extra one combining structure of installation on existing drilling rod, it is first while drilling
First the inwall and chip of endoporus are ground, then by the burr of endoporus and sticks to hang with the chip of endoporus and goes, finally
Chip is discharged；The reprocessing and chip removal to inner walls of deep holes are disposably completed, without carrying out extra withdrawing, efficiency is improved,
Reduce the stuck probability of drilling rod.
2nd, this structure is also added into the drilling rod chuck drive mechanism of one and auxiliary drilling rod drive connection, in chip output speed
When rate is too high, the relative speed of material hole to be drilled and drilling rod can be reduced by the rotation to drilling rod, reduce the production of chip
Go out speed, while improving the grinding efficiency of auxiliary drilling rod to a certain degree, improve the output of chip, reduce further drilling rod stuck
Probability.
3rd, drilling rod chuck drive gear is connected to by a dental inlay clutch on the drive gear of auxiliary drilling rod, can be with
Quickly realize the opening and closing of transmission.
4th, the rotating seat of this structure is fixed by welding on drilling rod, and the processing to drilling rod is reduced compared to mode connects for screw
Degree, improves the intensity of drilling rod, if in addition auxiliary drilling rod occur it is stuck, can also be by the dismounting of the adapter sleeve of afterbody, side
Just will auxiliary drilling rod take out.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the combination diagram of drilling rod of the present invention and auxiliary drilling rod；
Fig. 2 is the schematic diagram of drilling rod chuck；
Fig. 3 is the schematic diagram for aiding in drilling rod drive mechanism.
In figure：1st, drilling rod；2nd, rotary shaft；3rd, rotating seat A；4th, hobboing cutter；5th, spiral scraper；6th, spring leaf；7th, drag ring；8、
Driving ring；9th, rotating seat；10th, drive gear；11st, adapter sleeve；12nd, rotating seat B；13rd, chip area；14th, drilling rod chuck；15th, tooth
Torus；16th, drilling rod chuck locking tooth torus；17th, wheel disc is driven；18th, drilling rod chuck drive gear；19th, only disk is pushed away；20th, slide
Bar；21st, sliding eye；22nd, drive disk；23rd, sliding sleeve.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, the present invention is a kind of combined type solid boring bar mechanism, including drilling rod, the drilling rod for clamping drilling rod
Chuck and frame；Drilling rod chuck is fixed in frame, and it is fan-shaped chip area that section is machined with the drilling rod, described
The position of drilling rod correspondence chip area is additionally provided with auxiliary drilling rod, the auxiliary drilling rod include inner hole grinding mechanism, chip removal mechanism with
And auxiliary drilling rod drive mechanism；
The auxiliary drilling rod includes a rotary shaft, connects in the cutting edge position of axial one end correspondence drilling rod of the drilling rod chip area
A rotating seat A is connected to, rotating seat A is divided into two parts above and below base and fixture block to be copper, and tube chamber welds with base is in chip removal trench bottom, folder
Block is fixed on base by screw, and a semi-enclosed rotating hole is provided between base and fixture block, is set in rotating hole inwall
Being equipped with graphite bearing is used to lift rotary shaft, the axial other end of drilling rod is provided with an adapter sleeve, adapter sleeve passes through screw
The afterbody of drilling rod is fixed on, rotating seat B is provided with adapter sleeve, rotating seat B includes the projection of a circular tube shaped, rotary shaft
Afterbody set be connected to foregoing circular tube shaped projection on；
The inner hole grinding mechanism includes the hobboing cutter and spiral scraper being arranged on auxiliary drilling rod, and wherein hobboing cutter is fixed on rotary shaft
The cutting edge position of correspondence drilling rod, spiral scraper is fixed on hobboing cutter rear portion；The cutting that hobboing cutter surface is provided with some bar shapeds is raised, cuts
The axis of the axis and hobboing cutter of cutting projection is obliquely installed；The spiral scraper is rigid helical structure, in the outer rim of spiral scraper
On be provided with cutting edge；The chip removal mechanism is located at the afterbody of spiral scraper, and chip removal mechanism includes helical structure sequential like
Spring leaf, spring leaf is coaxially fixed in rotary shaft；Wherein the axle center of rotary shaft is L, rotary shaft with respect to the distance in drilling rod axle center
The raised radius of middle cutting is R1, and the radius of spiral scraper cutting edge is R2, and the radius of drilling rod is D, wherein (L+R1-D)/D values are
50‰；(L+R2-D)/D values are 3%；
The auxiliary drilling rod drive mechanism includes a coaxial drag ring being fixed in rotary shaft and one is fixed on frame
The upper transmission mechanism for being used to drive drag ring to rotate, the fixed position of drag ring is located at the afterbody of chip removal mechanism, drag ring and row
One section of chip removal space is provided between the afterbody for considering mechanism to be worth doing；The transmission mechanism includes a rotating seat being fixed in frame,
A rotation connecting hole is provided with the middle part of rotating seat, is rotated coaxially in the rotation connecting hole inwall and is connected with a driving
Ring, is provided with for the friction inwall with drag ring frictional connection in the inwall of driving ring, is set in the peripheral annular of driving ring
There is drive gear；Drive gear is connected on transmission mechanism, and driving ring is realized by the driving of the drive gear of transmission mechanism
Rotate；
As shown in Figures 2 and 3, the transmission mechanism includes a drive shaft, and be provided with is used for and drive gear on the driving shaft
The driving wheel disc of engagement, drive shaft is connected with motor；A drilling rod chuck drive is additionally provided with the drive shaft
Moving gear, is connected with a sliding sleeve, the connection of drilling rod chuck drive pinion rotation is with sliding in the drive shaft by spline slide
Cover on outer wall, tooth connection A is provided with the side of the drive gear, a driving is fixedly connected with the drive shaft
Disk, is provided with tooth connection B on the drive disk, and dental inlay coordinates between tooth connection A and tooth connection B；In the drive shaft also
It is rotatably connected to one and pushes away only disk, array is provided with some sliding eyes on the drive disk, pushes away array on only disk described and set
Some sliding bars coordinated with sliding eye are equipped with, slides and is provided with diastole spring between boom end and slip bore ends；Described
It is coaxially arranged with and the drilling rod chuck drive gear meshed gears ring in the middle part of drilling rod chuck；In the drilling rod chuck afterbody also
Be provided with a drilling rod chuck locking tooth torus, frame be fixed with for consolidating that the drilling rod chuck locking tooth torus is engaged
Fixed gear.
During installation, successively hobboing cutter is fixed in rotary shaft by interference fit, spiral scraper is then welded in rotation
On axle, finally spring leaf is welded in rotary shaft, this outer rotary shaft can also use segmented model, hobboing cutter, spring leaf, spiral
Scraper is located in different sections of rotary shaft respectively, between connected by flange；In addition drag ring passes through one and rotary shaft interference
The fixed block of cooperation is fixed in rotary shaft；Drilling rod is installed on drilling rod chuck, rotating seat position is adjusted afterwards so that driving
Frictional fit is realized by frosting between ring and drag ring, driving ring is rotated by bearing with rotating seat and is connected；
A kind of deep hole drill method of combined type solid boring bar mechanism, successively including prebored hole step, charging procedure, depth drill step
Suddenly, inner walls of deep holes grinding steps, deburring step, chip removal step and differential chip removal step；Wherein drill process is hole to be drilled
Bullport is got out on material, the radius of bullport should be the 103% of drilling rod radius D；Charging procedure is on material clamping hole to be drilled
Onto rotary chuck, while by drilling rod clamping to drilling rod chuck, while so that the auxiliary drag ring of drilling rod and rubbing for driving ring
Inwall contact is wiped, now dental inlay, which coordinates, is in relaxation state, while drilling rod chuck locking tooth torus is engaged with fixed gear, drilling rod
Chuck is in gripping orientation, and the bullport of material is coaxial extremely with drilling rod to knife；Depth drill step is mobile drilling rod chuck so that
Drilling rod is pushed into material hole to be drilled by bullport, by realizing the cutting to material, cutting positioned at the cutting edge of drill rod end
Bits are discharged by chip area；Inner walls of deep holes grinding steps are realized by the driving of driving ring for auxiliary drilling rod and rotated, positioned at auxiliary
Hobboing cutter on drilling rod is contacted with inner walls of deep holes, is ground by the raised secondary milling realized to inner walls of deep holes of the cutting on hobboing cutter,
And bulk chip is ground to form to tiny chip；Deburring step is that spiral spiral scraper outer rim is close to inner walls of deep holes,
The burr and chip of docile and inner walls of deep holes are struck off, and realize by the rotation of screw thread the movement of chip；Chip removal step is
The chip of material is struck off by spiral helicine spring leaf from inner walls of deep holes and by being discharged at deep hole opening；Differential chip removal step is
Remove fixed gear, open spreadet spreadet wheel, and the closure coordinated by dental inlay, realize the rotation of drilling rod chuck drive gear so as to
Driving is located at the rotation of the gear ring on drilling rod chuck, and now drilling rod carries out slow rotation, slows down drilling rod to material hole to be drilled
Turning speed, reduces the output of drill rod end chip, and hobboing cutter keeps former speed to be ground chip, carries out the discharge of chip；
After the completion of chip removal, dental inlay, which coordinates, to be opened, and is opened between drive disk and drive gear so that drive disk comes back to idling conditions.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (7)
1. a kind of combined type solid boring bar mechanism, including drilling rod, drilling rod chuck and frame for clamping drilling rod；Drilling rod chuck
It is fixed in frame, it is fan-shaped chip area that section is machined with the drilling rod, it is characterized in that：In drilling rod correspondence chip removal
The position of groove is additionally provided with auxiliary drilling rod, and the auxiliary drilling rod includes inner hole grinding mechanism, chip removal mechanism and auxiliary drilling rod and driven
Motivation structure；
A rotating seat A is connected with the cutting edge position of axial one end correspondence drilling rod of the drilling rod chip area, in the axle of drilling rod
The other end is provided with a rotating seat B, the auxiliary drilling rod includes a rotary shaft, one end and rotating seat A of rotary shaft it
Between rotate connection, the other end of rotary shaft is connected with rotating seat B rotations；The inner hole grinding mechanism includes being arranged at auxiliary drilling rod
On hobboing cutter and spiral scraper, wherein hobboing cutter is fixed on the cutting edge position of rotary shaft correspondence drilling rod, and spiral scraper is fixed on hobboing cutter
Rear portion；The cutting that hobboing cutter surface is provided with some bar shapeds is raised, and the axis of the axis and hobboing cutter that cut projection is obliquely installed；It is described
Spiral scraper is rigid helical structure, and cutting edge is provided with the outer rim of spiral scraper；The chip removal mechanism is located at spiral scraper
Afterbody, chip removal mechanism includes the spring leaf of helical structure sequential like, and spring leaf is coaxially fixed in rotary shaft；Wherein revolve
The axle center of rotating shaft is L with respect to the distance in drilling rod axle center, and the radius that projection is cut in rotary shaft is R1, the radius of spiral scraper cutting edge
For R2, the radius of drilling rod is D, wherein (L+R1-D)/D values are 10 ‰ to 1%；(L+R2-D)/D values are 1% to 5%；
The auxiliary drilling rod drive mechanism includes a coaxial drag ring being fixed in rotary shaft and one is fixed on frame
The upper transmission mechanism for being used to drive drag ring to rotate, the fixed position of drag ring is located at the afterbody of chip removal mechanism, drag ring and row
One section of chip removal space is provided between the afterbody for considering mechanism to be worth doing；The transmission mechanism includes a rotating seat being fixed in frame,
A rotation connecting hole is provided with the middle part of rotating seat, is rotated coaxially in the rotation connecting hole inwall and is connected with a driving
Ring, is provided with for the friction inwall with drag ring frictional connection in the inwall of driving ring, is set in the peripheral annular of driving ring
There is drive gear；Drive gear is connected on transmission mechanism, and driving ring is realized by the driving of the drive gear of transmission mechanism
Rotate.
2. a kind of combined type solid boring bar mechanism as claimed in claim 1, it is characterized in that：The transmission mechanism includes a drive
Moving axis, is provided with the driving wheel disc for being engaged with drive gear on the driving shaft, and drive shaft is connected with motor.
3. a kind of combined type solid boring bar mechanism as claimed in claim 2, it is characterized in that：It is additionally provided with the drive shaft
One drilling rod chuck drive gear, a sliding sleeve, drilling rod chuck drive tooth are connected with the drive shaft by spline slide
Wheel rotates connection with sliding sleeve outer wall, tooth connection A is provided with the side of the drive gear, fixed in the drive shaft
A drive disk is connected with, tooth connection B is provided with the drive disk, dental inlay coordinates between tooth connection A and tooth connection B；
One is also rotatably connected in the drive shaft and pushes away only disk, pushes away and is only connected between disk and drive disk by diastole spring；
It is coaxially arranged with and the drilling rod chuck drive gear meshed gears ring in the middle part of the drilling rod chuck；In the drilling rod chuck tail
Portion is additionally provided with a drilling rod chuck locking tooth torus, is fixed with frame for being engaged with the drilling rod chuck locking tooth torus
Fixed gear.
4. a kind of combined type solid boring bar mechanism as claimed in claim 3, it is characterized in that：Array is set on the drive disk
There are some sliding eyes, the sliding bars that array on only disk is provided with the cooperation of some and sliding eye, the diastole spring position are pushed away described
Between slip boom end and slip bore ends.
5. a kind of combined type solid boring bar mechanism as claimed in claim 1, it is characterized in that：Tail in drilling rod dorsad cutting edge side
Portion is provided with an adapter sleeve, and adapter sleeve is fixed on the afterbody of drilling rod by screw, and rotating seat B is arranged at adapter sleeve including one
On circular tube shaped projection, the afterbody set of rotary shaft is connected in the projection of foregoing circular tube shaped；Rotating seat A is semiclosed including one
Rotating hole, the head of rotary shaft is inserted into foregoing rotating hole.
6. a kind of combined type solid boring bar mechanism as claimed in claim 1, it is characterized in that：The rotating seat A is copper, welding
With the bottom of chip area.
7. a kind of deep hole drill method of combined type solid boring bar mechanism as claimed in claim 3, it is characterized in that：Include successively pre-
Drill process, charging procedure, depth drill step, inner walls of deep holes grinding steps, deburring step, chip removal step and differential chip removal step
Suddenly；Wherein drill process is gets out bullport on material hole to be drilled, and the radius of bullport should arrive for the 105% of drilling rod radius D
101%；Charging procedure is on rotary chuck on material clamping hole to be drilled, while by drilling rod clamping to drilling rod chuck, make simultaneously
The drag ring of drilling rod must be aided in be contacted with the friction inwall of driving ring, now dental inlay, which coordinates, is in relaxation state, while drilling rod card
Disk locking tooth torus is engaged with fixed gear, and drilling rod chuck is in gripping orientation, and the bullport of material is same extremely with drilling rod to knife
Axle；Depth drill step is mobile drilling rod chuck so that drilling rod is pushed into material hole to be drilled by bullport, by positioned at drilling rod
The cutting edge of end realizes the cutting to material, and cutting swarf is discharged by chip area；Inner walls of deep holes grinding steps lead to for auxiliary drilling rod
Overdrive ring driving realize rotate, positioned at auxiliary drilling rod on hobboing cutter contacted with inner walls of deep holes, it is convex by the cutting on hobboing cutter
Rise and realize the secondary milling of inner walls of deep holes is ground, and bulk chip is ground to form to tiny chip；Deburring step is spiral
The spiral scraper outer rim of shape is close to inner walls of deep holes, the burr and chip of docile and inner walls of deep holes is struck off, and pass through screw thread
Rotation realize the movement of chip；Chip removal step is struck off and led to from inner walls of deep holes by spiral helicine spring leaf for the chip of material
Cross at deep hole opening and discharge；Differential chip removal step opens spreadet spreadet wheel, and pass through closing that dental inlay coordinates to remove fixed gear
Close, realize the rotation of drilling rod chuck drive gear so as to drive the rotation of the gear ring on drilling rod chuck, now drilling rod enters
Row slow rotation, slows down turning speed of the drilling rod to material hole to be drilled, reduces the output of drill rod end chip, and hobboing cutter keeps former speed
Rate is ground to chip, carries out the discharge of chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338146.0A CN107186254A (en) | 2017-05-15 | 2017-05-15 | A kind of combined type solid boring bar mechanism and deep hole drill method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338146.0A CN107186254A (en) | 2017-05-15 | 2017-05-15 | A kind of combined type solid boring bar mechanism and deep hole drill method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107186254A true CN107186254A (en) | 2017-09-22 |
Family
ID=59872453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710338146.0A Pending CN107186254A (en) | 2017-05-15 | 2017-05-15 | A kind of combined type solid boring bar mechanism and deep hole drill method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186254A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695382A (en) * | 2017-10-10 | 2018-02-16 | 中国地质大学（武汉） | Remove the decarburized layer of heavy drill shank inwall and the process equipment and method of crackle |
| CN113414594A (en) * | 2021-05-21 | 2021-09-21 | 北京理工大学 | Drilling, grinding and rolling composite BTA tool for deep hole machining and manufacturing method |
-
2017
- 2017-05-15 CN CN201710338146.0A patent/CN107186254A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695382A (en) * | 2017-10-10 | 2018-02-16 | 中国地质大学（武汉） | Remove the decarburized layer of heavy drill shank inwall and the process equipment and method of crackle |
| CN113414594A (en) * | 2021-05-21 | 2021-09-21 | 北京理工大学 | Drilling, grinding and rolling composite BTA tool for deep hole machining and manufacturing method |
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Application publication date: 20170922 |