CN209157220U - Deep hole drilling apparatus - Google Patents
Deep hole drilling apparatus Download PDFInfo
- Publication number
- CN209157220U CN209157220U CN201821976894.8U CN201821976894U CN209157220U CN 209157220 U CN209157220 U CN 209157220U CN 201821976894 U CN201821976894 U CN 201821976894U CN 209157220 U CN209157220 U CN 209157220U
- Authority
- CN
- China
- Prior art keywords
- deep hole
- drill
- lathe bed
- laser
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model provides a kind of deep hole drilling apparatus, including lathe bed, is installed with drill unit on lathe bed, deep hole drill is mounted on drill unit, workbench is slidably mounted on lathe bed by guide rail, is also connected by leadscrew-nut mechanism between workbench and lathe bed, piece-holder is on the table.It is additionally provided with laser assisted calibrating installation and electromagnetic rectification device.Correction hole is beaten in the position in workpiece and quasi- processing hole with laser；The laser beam for emitting laser beam emitting device is fallen on photoelectric gathering apparatus, with the offset of electromagnetic rectification device real time correction deep hole drill.By using above scheme, structure is simplified, is conducive to improve machining accuracy, the laser assisted calibrating installation of setting, it can be realized online precision calibration, according to the change in shape of collimation laser and fall in position different on photoelectric gathering apparatus, can find offset error in real time.The electromagnetic rectification device of setting is capable of the offset of real time correction deep hole drill, further increases machining accuracy.
Description
Technical field
The utility model relates to machining accuracy deep hole field, especially a kind of deep hole drilling apparatus.
Background technique
Existing machining high-precision deep-hole parts rely primarily on NC deep hole drilling machine programming to process, and shortcoming is to setting
Standby is more demanding, and input cost is larger, is required to bore guide hole before processing, process is cumbersome.And for means suitable
In high precision, large-sized part, existing NC deep hole drilling machine cannot still be met the requirements in precision.
A kind of method that Chinese patent literature CN107350500A describes deep hole processing corrects base using segmental machining
Quasi- mode is processed, and is assisted with right boring and honing process, can deep hole processing, but the program mainly for diameter compared with
Big deep hole is not able to satisfy processing request of the diameter compared with small deep hole, for example, diameter is lower than 20mm, length is more than the deep hole of 500mm
Processing.And the process of the program is also complex, replaces cutter every time, is also easy to produce mismachining tolerance.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of deep hole drilling apparatus, can be improved deep hole drilling machine
Machining accuracy can be suitable for diameter and be lower than 20mm, and length is more than the processing of 500mm Small-deep Hole, can easily be processed
Array hole circumferentially in preferred scheme, can obtain machining accuracy, and can be realized online correction online.
A kind of in order to solve the above technical problems, the technical scheme adopted by the utility model is: deep hole drilling apparatus, including
Lathe bed is installed with drill unit on lathe bed, and deep hole drill is mounted on drill unit, and workbench is slidably installed by guide rail
On lathe bed, also connected by leadscrew-nut mechanism between workbench and lathe bed, piece-holder is on the table.
In preferred scheme, workpiece is rotatably clamped on the fixture of workbench by axis, is additionally provided with and is used on fixture
The positioning pin of circumferential registration.
In preferred scheme, the deep hole drill is clamped on drill unit by reducing sleeve.
In preferred scheme, drill unit is fixedly connected for adjusting the backing plate of height with lathe bed by least one piece.
In preferred scheme, adjustable bearing shell is equipped in the clamping device of fixture, adjustable bearing shell is arranged between axis and workpiece.
In preferred scheme, it is additionally provided with laser assisted calibrating installation, structure are as follows: fill equipped with Laser emission in one end of lathe bed
It sets, the other end is equipped with photoelectric gathering apparatus, and laser beam emitting device is for emitting a branch of collimation laser across deep hole drill and workpiece, quilt
Photoelectric gathering apparatus receives.
In preferred scheme, laser beam emitting device is installed on drill unit, and laser beam emitting device is a branch of for emitting
Along the laser beam of deep hole drill axis, correction hole is equipped on drill unit and deep hole drill；
Photoelectric gathering apparatus is installed in the side on fixture far from deep hole drill, photosensitive equipped with array on photoelectric gathering apparatus
Element.
In preferred scheme, in the position close to deep hole drill free end, it is additionally provided with electromagnetic rectification device, the electromagnetism entangles
Multiple circumferential electromagnet are equipped in inclined device.
A method of using above-mentioned deep hole drilling apparatus, comprising the following steps:
S1, correction hole is beaten in the position in workpiece and quasi- processing hole with laser；
S2, by the rotatable clamping of workpiece on fixture, start laser beam emitting device, turning of work piece fills Laser emission
The laser beam for setting transmitting is fallen on photoelectric gathering apparatus, according to the clamping position of position correction workpiece of the laser beam on photoelectric gathering apparatus
It sets, and is locked with positioning pin；
S3, starting drill unit, workpieces processing hole；
Accurate deep hole machining is realized by above step.
In preferred scheme, in the position close to deep hole drill free end, it is additionally provided with electromagnetic rectification device, the electromagnetism entangles
Multiple circumferential electromagnet are equipped in inclined device, electromagnet is electrically connected with the control device of output pulse square wave；
At least one section is ferromagnet on deep hole drill；
In process, the offset according to laser beam on photoelectric gathering apparatus, the electromagnet for starting corresponding position carry out
Correction, according to offset distance, exports the pulse square wave of different frequency.
A kind of deep hole drilling apparatus provided by the utility model, is fixed by using deep hole drill, and the side of workpiece feeding
Case simplifies the structure of drill unit side, is conducive to the precision for improving machining accuracy, especially deep hole machining.Preferably
In scheme, the adjusting for different working heights reduces the complicated journey of equipment using the scheme of backing plate and adjustable bearing shell
Degree, advantageously reduces transmission accumulated error, further increases machining accuracy.The reducing sleeve of setting can adapt to different-diameter
Deep hole drill further increases machining accuracy similarly due to simplifying drive mechanism.The laser assisted calibrating installation of setting,
It can be realized online precision calibration, according to the change in shape of collimation laser and fall in position different on photoelectric gathering apparatus, energy
Enough discovery offset errors in real time.The electromagnetic rectification device of setting is capable of the offset of real time correction deep hole drill, further increases processing
Precision.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the schematic view of the front view of the utility model.
Fig. 2 is the A-A schematic cross-sectional view in Fig. 1.
Fig. 3 is the B-B schematic cross-sectional view in Fig. 1.
Fig. 4 is the cross-sectional view of electromagnetic rectification device in the utility model.
Fig. 5 is the main view of photoelectric gathering apparatus in the utility model.
In figure: lathe bed 1, drill unit 2, reducing sleeve 3, deep hole drill 4, workbench 5, workpiece 6, workpiece hole 61, electricity
Magnetic Deviation rectifier 7, photoelectric gathering apparatus 8, fixture 9, laser beam emitting device 10, leadscrew-nut mechanism 11, hole 12 of rectifying a deviation, fixture handle
13。
Specific embodiment
Embodiment 1:
In Fig. 1 ~ 3, a kind of deep hole drilling apparatus, including lathe bed 1 is installed with drill unit 2, depth drill on lathe bed 1
First 4 are mounted on drill unit 2, and in the drill unit 2, drill headstock is connected to motor by transmission mechanism, deep hole
Drill bit 4 is fixedly mounted on drill headstock, and workbench 5 is slidably mounted on lathe bed 1 by guide rail, and the direction of motion of workbench 5 is
Horizontal movement is also connected by leadscrew-nut mechanism 11 between workbench 5 and lathe bed 1, and workpiece 6 is clamped on workbench 5, passes through
The feeding of the realization workpiece of leadscrew-nut mechanism 11.By the way of the feeding of workbench 5, just reduce in 2 part of drill unit
Transmission mechanism reduces by transmission mechanism bring accumulated error.
In preferred scheme, workpiece 6 is rotatably clamped on the fixture 9 of workbench 5 by axis, is additionally provided on fixture 9
Positioning pin for circumferential registration.Specifically, workpiece 6 is fixedly connected with axis, the both ends of axis are mounted in fixture.Positioning pin is used for
The circumferential position of workpiece rotation is limited, to realize the processing in circumference array hole.
As shown in figure 1, the deep hole drill 4 is clamped on drill unit 2 preferred scheme by reducing sleeve 3.By
This structure, convenient for coping with the deep hole drill 4 of different-diameter, and also it is fixed using the center of circle that reducing sleeve 3 can be realized higher precision
Position.
As shown in figure 1, drill unit 2 is solid by at least one piece backing plate and lathe bed 1 for adjusting height for preferred scheme
Fixed connection.It is different from numerically-controlled machine tool, the working height of drill unit 2 is adjusted in this example by the way of backing plate, with
The elevation of the workpiece hole 61 of workpiece 6 is corresponding.And help to reduce moving parts bring trueness error.
In preferred scheme, be equipped with adjustable bearing shell in the clamping device of fixture 9, adjustable bearing shell setting axis and workpiece 6 it
Between.Thus structure is used to adapt to the workpiece 6 of different inner diameters.
In this example, first according to the size of 6 locating shaft of workpiece, suitable fixture indexing system, the outer diameter of axis are selected
It is identical as bearing shell hole size；Configured according to the size of deep hole drill jig and select deep hole drill 4, the inner hole of drill jig and bore depth
The internal diameter in hole is identical, and internal diameter is then identical as the outer diameter of gun drill；Deep hole drill system drill gun is adjusted according to the center height of drill jig
Center it is high, two center height are equal.
Specific processing method is: first assembling workpiece 6 and 9 system of fixture and workbench 5, it is ensured that assembly precision, it will
After workpiece 6 clamps, holds out against and is fixed, loading drill jig is simultaneously fixed, then selects correct 4 system of deep hole drill and brill
Deep hole drill 4 and drill unit 2 are integrated by the adjustment pad for cutting power head 2 with the dress of lathe bed 1, fixed.Drilling power
First 2 drive deep hole drill 4 makes rotating motion, and the leadscrew-nut mechanism 11 of lathe bed drives workbench 5 close to deep hole drill 4, does
Horizontal translating movement is finally completed the drilling processing of deep hole.After processing a hole, reversely rotated by screw rod, drive workpiece with
Deep hole drill 4 separates, and exits deep hole drill 4.Rotational workpieces 6 bore another deep hole, recycle using drill jig and positioning pin indexing positioning
Operation.Manufacturing procedure is simplified, and saves tool change time, original numerical control feed is simplified to straight-line feed, will be bored originally
Guide hole replaces deep hole drill 4 again, then the process of drilling deep hole is simplified to a drilling deep hole in place, and operation is simpler, and processes
Precision is also guaranteed.
Embodiment 2:
On the basis of embodiment 1, preferred scheme such as Fig. 1, in 5, be additionally provided with laser assisted calibrating installation, structure are as follows:
It is equipped with laser beam emitting device 10 in one end of lathe bed, the other end is equipped with photoelectric gathering apparatus 8, and laser beam emitting device 10 is for emitting one
Beam collimation laser passes through deep hole drill 4 and workpiece 6, is received by photoelectric gathering apparatus 8.
In preferred scheme, laser beam emitting device 10 is installed on drill unit 2, and laser beam emitting device 10 is for emitting
A branch of laser beam along 4 axis of deep hole drill is equipped with correction hole 12 on drill unit 2 and deep hole drill 4；
Photoelectric gathering apparatus 8 is installed in the side on fixture 9 far from deep hole drill 4, equipped with array on photoelectric gathering apparatus 8
Photosensitive element.Preferably, the transmitting of laser beam emitting device 10 in this example is multiple laser, and the circumscribed circle diameter of multiple laser is big
Diameter in correction hole 12, so that multiple laser can cover entire correction hole 12, and convenient for reflecting on photoelectric gathering apparatus 8
Offset distance out.Photoelectric gathering apparatus 8 preferably uses CCD or CMOS photosensitive element, due to the photoelectric gathering apparatus 8 in the utility model
It is mainly used for determining position, therefore using monochromatic photosensitive element.It is further preferred that being additionally provided with before photosensitive element
Polariscope, to reduce the incidence of laser light scattering light, it is easier to which the marginal position for determining laser beam is also coated on polariscope
Anti-reflection and semi-transparent plated film, to extend the service life of photoelectric gathering apparatus 8.
Preferred scheme such as Fig. 1, in 4, in the position close to 4 free end of deep hole drill, electromagnetic rectification device 7, institute are additionally provided with
Multiple circumferential electromagnet are equipped in the electromagnetic rectification device 7 stated.
A method of using above-mentioned deep hole drilling apparatus, comprising the following steps:
S1, correction hole 12 is beaten in the position in workpiece 6 and quasi- processing hole with laser；Correction hole 12 preferably using quasi-molecule or flies
Second laser is processed, to improve subsequent machining accuracy.
S2, in the way of in embodiment 1, by the rotatable clamping of workpiece 6 on fixture 9, start laser beam emitting device 10,
Turning of work piece 6, the laser beam for emitting laser beam emitting device 10 are fallen on photoelectric gathering apparatus 8, are acquired according to laser beam in photoelectricity
The clamping position of position correction workpiece 6 on device 8 is indexed auxiliary positioning using drill jig and positioning pin, and is locked with positioning pin；It can
By positioning after workpiece 6, laser beam can pass through drill unit 2, tape spool string holes deep hole drill 4 and workpiece 6 on correction
Hole 12 is fallen on photoelectric gathering apparatus 8, when 10 opposite piece 6 of laser beam emitting device generates displacement, due to the anti-of 12 hole wall of hole of rectifying a deviation
The effect of blocking of effect and hole 12 of rectifying a deviation is penetrated, defect or change in displacement can occur for the hot spot on photoelectric gathering apparatus 8, and by light
The array photosensitive element of electric collector 8 acquires, and master control set is transferred to, to obtain the data of offset direction and distance.
S3, starting drill unit 2, workpieces processing hole 61；And in process, processing ginseng is adjusted according to shift state
Number.Accurate deep hole machining is realized by above step.
Further preferred scheme such as Fig. 1 in 4, in the position close to 4 free end of deep hole drill, is additionally provided with electromagnetic rectification
Device 7 is equipped with multiple circumferential electromagnet, the control of electromagnet and output pulse square wave in the electromagnetic rectification device 7
Device electrical connection；
At least one section is ferromagnet on deep hole drill 4；
In process, the offset according to laser beam on photoelectric gathering apparatus 8, the electromagnet for starting corresponding position carry out
Correction, according to offset distance, exports the pulse square wave of different frequency.The electric control gear for generating pulse square wave is commercially available product,
By controlling the frequency of pulse square wave, the i.e. minimum index time of wave crest to trough, for example, when frequency reaches femtosecond, it can
Precision is accurately controlled by the acquisition of electromagnetic rectification device 7.Specific control mode are as follows: from photoelectric gathering apparatus 8 obtain offset direction and
Distance, give offset direction relative position electromagnet send pulse square wave electric current, by microsecond, nanosecond, picosecond or femtosecond
The accurate adjusting of correction power is realized in the adjusting of other frequency.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, can mutual any combination.This is practical new
The protection scope of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also the protection scope of the utility model it
It is interior.
Claims (8)
1. a kind of deep hole drilling apparatus, including lathe bed (1), it is installed with drill unit (2) on lathe bed (1), deep hole drill (4) peace
On drill unit (2), it is characterized in that: workbench (5) is slidably mounted on lathe bed (1) by guide rail, workbench (5) with
It is also connected by leadscrew-nut mechanism (11) between lathe bed (1), workpiece (6) is clamped on workbench (5).
2. a kind of deep hole drilling apparatus according to claim 1, it is characterized in that: workpiece (6) is rotatably clamped by axis
On the fixture (9) of workbench (5), the positioning pin for circumferential registration is additionally provided on fixture (9).
3. a kind of deep hole drilling apparatus according to claim 1, it is characterized in that: the deep hole drill (4) passes through variable diameter
Sleeve (3) is clamped on drill unit (2).
4. a kind of deep hole drilling apparatus according to claim 2, it is characterized in that: drill unit (2) passes through at least one piece
Backing plate for adjusting height is fixedly connected with lathe bed (1).
5. a kind of deep hole drilling apparatus according to claim 2, it is characterized in that: being equipped in the clamping device of fixture (9) can
Bearing shell is adjusted, adjustable bearing shell is arranged between axis and workpiece (6).
6. described in any item a kind of deep hole drilling apparatus according to claim 1 ~ 5, it is characterized in that: being additionally provided with laser assisted calibration
Device, structure are as follows: be equipped with laser beam emitting device (10) in one end of lathe bed, the other end is equipped with photoelectric gathering apparatus (8), Laser emission
Device (10) is received for emitting a branch of collimation laser across deep hole drill (4) and workpiece (6) by photoelectric gathering apparatus (8).
7. a kind of deep hole drilling apparatus according to claim 6, it is characterized in that: laser beam emitting device (10) is installed in drilling
On power head (2), laser beam emitting device (10) is dynamic in drilling for emitting a branch of laser beam along deep hole drill (4) axis
Power head (2) and deep hole drill (4) are equipped with correction hole (12)；
Photoelectric gathering apparatus (8) is installed in the side on fixture (9) far from deep hole drill (4), and battle array is equipped on photoelectric gathering apparatus (8)
The photosensitive element of column.
8. a kind of deep hole drilling apparatus according to claim 6, it is characterized in that: close to deep hole drill (4) free end
Position is additionally provided with electromagnetic rectification device (7), and multiple circumferential electromagnet are equipped in the electromagnetic rectification device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976894.8U CN209157220U (en) | 2018-11-28 | 2018-11-28 | Deep hole drilling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821976894.8U CN209157220U (en) | 2018-11-28 | 2018-11-28 | Deep hole drilling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209157220U true CN209157220U (en) | 2019-07-26 |
Family
ID=67340759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821976894.8U Active CN209157220U (en) | 2018-11-28 | 2018-11-28 | Deep hole drilling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209157220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332756A (en) * | 2018-11-28 | 2019-02-15 | 宜昌江峡船用机械有限责任公司 | Deep hole drilling apparatus and method |
| CN112318059A (en) * | 2020-12-01 | 2021-02-05 | 常德市鼎城奕通机械制造有限公司 | Mechanism for machining inner hole of high-pressure oil cylinder |
-
2018
- 2018-11-28 CN CN201821976894.8U patent/CN209157220U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332756A (en) * | 2018-11-28 | 2019-02-15 | 宜昌江峡船用机械有限责任公司 | Deep hole drilling apparatus and method |
| CN109332756B (en) * | 2018-11-28 | 2023-11-28 | 宜昌江峡船用机械有限责任公司 | Deep hole machining device and method |
| CN112318059A (en) * | 2020-12-01 | 2021-02-05 | 常德市鼎城奕通机械制造有限公司 | Mechanism for machining inner hole of high-pressure oil cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109332756A (en) | Deep hole drilling apparatus and method | |
| US4250775A (en) | Machine tool and method | |
| US4709455A (en) | Milling and drilling head for a machine tool | |
| CN209157220U (en) | Deep hole drilling apparatus | |
| CA2040101C (en) | Valve seat bushing machining apparatus | |
| CN101439456B (en) | Technique for processing small hole in radial direction of dish piece | |
| CN105382632A (en) | Online detection and correction device during rear-mounted deep hole machining | |
| CN111805173B (en) | Combined machining process for shield edge scraper 45-degree die forging blank | |
| USRE32211E (en) | Machine tool and method | |
| CN213224621U (en) | External thread machining lathe | |
| CN207013995U (en) | New and effective piston pin hole process equipment | |
| US20200398347A1 (en) | Numerical control machine and cutting method | |
| US5030042A (en) | Machining apparatus having means for changing radial position of cutting tools | |
| CN211708192U (en) | Equal-division milling machine for pipe barrel parts | |
| US4436460A (en) | Automatic depth compensating system | |
| US4175894A (en) | Boring machine | |
| US6183172B1 (en) | Structure for detachably mounting a horizontal drill head | |
| CN115971539A (en) | Butterfly valve machining equipment and method | |
| CN114247980A (en) | Static shaft shoulder friction stir welding tool | |
| US6705185B2 (en) | Lathe for interior cutting of hollow work pieces | |
| CN113414631A (en) | Long-shaft deep hole drilling device and method for discharging chips from circulating water | |
| CN106807963B (en) | A kind of multilayer material nacelle outer layer normal direction hole processing technical method | |
| CN116214189B (en) | High-efficiency grinding equipment and technology for heating wire seat of electronic cigarette | |
| CN109648113A (en) | It is a kind of for processing the numerical control continuous drilling equipment of sliding block | |
| CN220311808U (en) | Numerical control drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |