CN208913194U - Utilize the device of lathe process deep hole - Google Patents
Utilize the device of lathe process deep hole Download PDFInfo
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- CN208913194U CN208913194U CN201821756303.6U CN201821756303U CN208913194U CN 208913194 U CN208913194 U CN 208913194U CN 201821756303 U CN201821756303 U CN 201821756303U CN 208913194 U CN208913194 U CN 208913194U
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- drill gun
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- deep hole
- hole
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Abstract
The utility model discloses a kind of devices using lathe process deep hole.Described device includes the workpiece in machine tool three-jaw chuck, the middle supporting plate being mounted on machine tool guideway, the knife rest being mounted on middle supporting plate, and the drill gun on the knife rest；The workpiece has the hole being axially arranged；The drill gun has the hollow channel being axially arranged, and has the slot being axially arranged in the outside wall surface of the drill gun；The tail portion of the drill gun is equipped with cutting fluid pressure system.The device of the utility model can process pore diameter range in Φ 5mm~Φ 25mm, the workpiece of aspect ratio 20:1~50:1.
Description
Technical field
The utility model relates to a kind of devices using lathe process deep hole, belong to deep hole machining field, and medium-length hole is
Refer to the hole of aspect ratio (D/d) within the scope of 20:1~50:1.
Background technique
Drill gun can get accurate processing effect, the hole processed as one of ideal deep hole machining solution
Position straightness, dimensional accuracy, concentricity, surface smoothness are high.It can solve various forms of deep holes, cross bore, blind hole and flat
The processing problems of blind hole are widely used in auto industry, aerospace industry, medical equipment industry, cutter/die industry, building
The fields such as industry and oil pressure, pneumatics industry.Drill gun is mainly used for the drill gun special purpose machine tool with high pressure oil cooling system, and workpiece is straight
The drilling that diameter is less than Φ 35mm deep hole is processed.
In production, the more universal drill gun of use is straight trough drill gun.According to drill gun diameter, in conjunction with its running part, handle
The interior cooling hole situation in portion and cutter head, drill gun are divided into monoblock type and welded type two types.Drill gun coolant liquid is from flank
It is sprayed at aperture, which is one, two round holes or an independent kidney slot, workpieces processing pore diameter range
From Φ 1.5mm~Φ 76.2mm, drilling depth and draw ratio are up to 100:1.It is relatively traditional although drill gun feed of every rotation is low
Its amount of feeding per minute of fluted drill, processing efficiency and quality are higher.
Utility model content
The utility model is intended to provide a kind of device using lathe process deep hole, the device can resolving aperture range in Φ
5mm~Φ 25mm, the deep hole machining of the workpiece of aspect ratio (D/d) 20:1~50:1.
To achieve the goals above, the technical scheme adopted by the utility model is
A kind of device using lathe process deep hole is mounted on lathe and leads including the workpiece in machine tool three-jaw chuck
Middle supporting plate on rail, the knife rest being mounted on middle supporting plate, and it is on the knife rest and coaxial with the machine tool three-jaw chuck
The drill gun of setting；
The workpiece has the hole being axially arranged；
The drill gun has the hollow channel being axially arranged, and has the slot being axially arranged in the outside wall surface of the drill gun；
The tail portion of the drill gun is equipped with cutting fluid pressure system, the cutting fluid pressure system by the hollow channel with
The cutting portion of drill gun is connected to.
The profound hole machined that workpiece can be realized on common lathe by the way that drill gun to be mounted on as a result, avoids use
Dedicated drill gun equipment, to reduce purchase cost.
Embodiment according to the present utility model can also make further optimization to the utility model, and the following are after optimization
The technical solution of formation:
For preferably workpieces processing, centre frame is housed on the machine tool guideway or middle supporting plate, which is located at described
Between workpiece and the knife rest；Guide sleeves are housed, the drill gun is axially across the guide sleeves on the centre frame.
Based on the same inventive concept, the utility model additionally provides a kind of device using lathe process deep hole, packet
Include the drill gun in the machine tool three-jaw chuck, the middle supporting plate being mounted on machine tool guideway, the knife rest being mounted on middle supporting plate, and
Workpiece on the knife rest；
The workpiece has the hole being coaxially disposed with the machine tool three-jaw chuck；
The drill gun has the hollow channel being axially arranged, and has the slot being axially arranged in the outside wall surface of the drill gun；
The tail portion of the drill gun is equipped with cutting fluid pressure system, the cutting fluid pressure system by the hollow channel with
The cutting portion of drill gun is connected to.
Profound hole machined is carried out to special-shaped workpiece for convenience as a result, by the way that drill gun to be mounted on common lathe i.e.
It can be achieved, avoid using dedicated drill gun equipment, to reduce purchase cost.
For preferably processing profiled workpiece, centre frame is housed on the machine tool guideway or middle supporting plate, which is located at
Between the workpiece and the machine tool three-jaw chuck；Guide sleeves are housed, the drill gun draws axially across described on the centre frame
Guide sleeve.
In order to which the chip after preferably easy to process is discharged in time, the slot is V-groove.
Carry out supply pressure coolant liquid in the tail portion of drill gun in order to facilitate the installation of, the tail portion of the drill gun is equipped with mist of oil pulse
Generator, the mist of oil impulse generator are connected to by the hollow channel with the cutting portion of drill gun.
In order to improve working environment, oil mist collector is equipped at the aperture of the workpiece.Mist of oil can be prevented in this way
The contaminated with oil mist processing workshop that device generates.
Preferably, the processing end in the hole being axially arranged on the workpiece is guide hole.
Compared with prior art, the utility model has the beneficial effects that the utility model is based on the same utility model structure
Think, propose three kinds of schemes that deep hole machining is realized by center lathe: drill gun of the workpiece with guide hole cuts scheme, band guidance
The conventional workpiece drill gun cutting scheme of set, the shaped piece drill gun with guide sleeves cut scheme, can use drill gun and add in lathe
Work pore diameter range Φ 5mm~Φ 25mm, the workpiece of aspect ratio (D/d) 20:1~50:1 significantly reduce processing cost.
Detailed description of the invention
The schematic diagram of Fig. 1 the utility model embodiment 1；
The schematic diagram of Fig. 2 the utility model embodiment 2；
The schematic diagram of Fig. 3 the utility model embodiment 3.
In figure
1- machine tool chief axis；2- workpiece；3- drill gun；4- knife rest；Supporting plate in 5-；6- centre frame；7- guide sleeves.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
Embodiment 1
A kind of device using lathe process deep hole, as shown in Figure 1, including the workpiece 2 in machine tool three-jaw chuck, peace
Middle supporting plate 5 on machine tool guideway, the knife rest 4 being mounted on middle supporting plate 5, and on the knife rest 4 and with the machine
The drill gun 3 of bed scroll chuck coaxial arrangement；The workpiece 2 has the guide hole being axially arranged；The drill gun 3 has axial setting
Hollow channel, there is in the outside wall surface of the drill gun 3 V-groove being axially arranged；It is hydraulic that the tail portion of the drill gun 3 is equipped with cutting
Force system, the cutting fluid pressure system are connected to by the hollow channel with the cutting portion of drill gun 3.Pacify the tail portion of the drill gun 3
Equipped with mist of oil impulse generator, which is connected to by the hollow channel with the cutting portion of drill gun 3.The work
Oil mist collector is equipped at the aperture of part 2.
Drill gun of the present embodiment using workpiece with guide hole cuts scheme, firstly, workpiece centering is clamped in lathe three-jaw
In chuck, drill gun 3 is mounted on simplified T-type chisel holder system (together mounted in knife rest 4), and adjust cutter shaft core position；Then exist
Workpiece needs deep hole processing position guide hole, and aperture size is identical as drill gun diameter, and the grade of tolerance preferentially selects H7, workpiece guidance
2 to 3 times of deep hole aperture values of hole depth；Simplify in T-type chisel holder system finally, being accessed high-pressure coolant by quick-release connector, starting
Deep hole machining can be realized with middle 5 axial feed of supporting plate in machine tool chief axis 1, drill gun 3.
Before processing, required according to excircle of workpiece, the different of coaxiality of inner hole, drill gun needs the centering in lathe.
In early days, drill gun is tried in lathe in application, once attempting directly to access the simplification T-type chisel holder system in cutting process
0.7MPa-0.8MPa air pressure, carries out that cutter is air-cooled or coolant liquid cooling and lubricating.Test processing frequently occurs: cutter chip removal is not
Freely, corner wear is fast, and blade fragmentation phenomenon occurs once in a while.Further to cut lathe drill gun deep hole machining and drill gun system
Journey cutter high pressure chip removal environment is similar, additionally provides a set of cutting fluid high pressure systems device to lathe, it is ensured that drill gun cutter head
Sufficient lubrication in process, inter-nal chip are discharged from drilling rod V-groove high pressure.According to engineer testing early period, the sold oil in market
Mist impulse generator cooperation drill gun carries out deep hole machining on lathe, not only can satisfy the high cutting fluid intensity of pressure of cutter, and
And micro- lubrication can also be carried out to cutter head, relatively general single high cutting fluid pressure system cutter life is longer, the inner hole of processing
The features such as surface quality is more excellent.
In the actual operation process, every needs the workpiece of deep hole machining to the present embodiment, needs individually to produce section guiding in advance
Hole.In addition, most of empty wagons bed work condition environments are not closed at present, mist of oil impulse generator easily generates mist around workpiece, lathe
Haze influences operator's physical and mental health, and it is antifog to need to configure a set of oil mist collector oil removing, mitigates mist of oil and diffuses.
Embodiment 2
A kind of device using lathe process deep hole, as shown in Fig. 2, unlike the first embodiment, the machine tool guideway or
Centre frame 6 is housed, the centre frame 6 is between the workpiece 2 and the knife rest 4 on middle supporting plate 5；It is equipped on the centre frame 6
Guide sleeves 7, the drill gun 3 is axially across the guide sleeves 7.
Deep hole is drawn for the system schema is with respect to embodiment 1 using the conventional workpiece drill gun cutting scheme with guide sleeves
It leads part to separate with workpiece, the method for replacing workpiece orifice end guide hole using guide sleeves 7, reducing every workpiece must produce
The deep hole of workpiece size of the workload of guide hole, processing has good uniformity, batch sortie production aspect, moreover it is possible to increase substantially
Piece work rate.Its disadvantage is same as Example 1: requiring to be additionally provided a set of high cutting fluid pressure system device, reaches and mention
The purpose of high cutter life, and all in semiclosed environment when most of simple nc machine work at present, around equipment
It is also easy to produce strong oil liquid haze, needs to be equipped with oil mist collecting device.
The scope of application of the present embodiment: partial concentric rotary work piece can turn round the special-shaped structural part opened at machine tool chief axis end
(such as CS6140 maximum rotating diameter 400mm, the swing diameter of work need to be less than machine tool rotary diameter 400mm).
A method of using the device deep hole processing of lathe process deep hole, implement generally according to following sequence:
A, centre frame is placed in machine tool guideway (or on middle supporting plate), is packed into heavy wall guide bushing at centre frame center and pressed from both sides
Tightly；
B, boring cutter is loaded on lathe spindle (or in square tool post mechanism), boring processing, aperture is carried out to guide bushing inner hole
Size is identical as drill gun diameter specifications, and the grade of tolerance selects H7；
C, drill gun is clamped on T-type tool apron by transition sleeve loaded in middle supporting plate square tool post mechanism, adjusts cutter X, Y
It sets, is overlapped the drill gun centre of gyration with main-shaft core；
D, high-pressure coolant is accessed on the quick-release connector of T-type tool apron tail portion, it is ensured that mist of oil impulse generator under working environment
The high-pressure cutting fluid of generation can enter in cutter head working environment；
E, mist of oil impulse generator is opened, starting lathe carries out deep hole machining.
Embodiment 3
A kind of device using lathe process deep hole, as shown in figure 3, including the drill gun 3 in machine tool three-jaw chuck, peace
Middle supporting plate 5 on machine tool guideway, the knife rest 4 being mounted on middle supporting plate 5, and the workpiece 2 on the knife rest 4；Institute
Stating workpiece 2 has the guide hole being coaxially disposed with the machine tool three-jaw chuck；The drill gun 3 is hollow logical with what is be axially arranged
Road has the slot being axially arranged in the outside wall surface of the drill gun 3；The tail portion of the drill gun 3 is equipped with cutting fluid pressure system, this is cut
Hydraulic Force system is cut to be connected to by the hollow channel with the cutting portion of drill gun 3.The tail portion of the drill gun 3 is equipped with mist of oil pulse
Generator, the mist of oil impulse generator are connected to by the hollow channel with the cutting portion of drill gun 3.At the aperture of the workpiece 2
Equipped with oil mist collector.
Best, centre frame 6 is housed on the machine tool guideway or middle supporting plate 5, which is located at the workpiece 2 and institute
It states between machine tool three-jaw chuck；Guide sleeves 7 are housed, the drill gun 3 is axially across the guide sleeves 7 on the centre frame 6.
Scheme is cut using the shaped piece drill gun with guide sleeves, the program mainly solves part special-shaped structural part location and installation
It is too big beyond machine tool rotary diameter or workpiece revolution centrifugal force when local size turns round at machine tool chief axis end, it not will pass through and match
It resets in flat situation.Workpiece is mounted on middle supporting plate by auxiliary mould, and ensures that the first hole at deep hole of workpiece position is in lathe
In revolution.
Shaped piece drill gun cutting system with guide sleeves, further expansion deep hole machining of the lathe in terms of shaped piece
Scope.For disadvantage other than identical as embodiment 1 and embodiment 2, there is also the workpiece of clamping to be difficult to be adjusted to drill gun center and lead
Draw the state of set center coincidence, deep hole processing aperture easily occurs and biases larger problem.
In summary three embodiments, the drill gun of the utility model are suitable for processing pore diameter range Φ 5mm~Φ in lathe
25mm, the workpiece of aspect ratio (D/d) 20:1~50:1.Lathe revolving speed more preferably greater than 800m/min, feed 0.04mm/n~
0.10mm/n is advisable.Cutting fluid, using oil-based water-soluble coolant liquid.Process it is previous as is slightly bored using 140 ° of apex angle of drill bit, it is smart
Boring, guide hole (dedicated guide sleeve substitution guide hole technique can also be made) processed.Oriented diameter is controlled in drill gun diameter tolerance H7
Grade, 2 to 3 times of aperture values of hole depth.For drill gun when entering guide hole, needing low-speed running, (drill gun of blade hard alloy, cutter are thin
It is long, it is flexible big, easily occur that cutter hub fractures or cutting edge bursts apart phenomenon when running at high speed into guide hole).It is recommended that drilling process is matched
Mist of oil impulse generator is closed to be used together.Mist of oil impulse generator can provide tool cutting process and be in high pressure cooler environment,
Process point of a knife is in atomized cutting fluid state, which can make inner hole of workpiece surface form one layer of oil film, not only
Tool resistance and abrasion can be reduced, and can also effectively extend the drill gun service life, when improving workpiece surface quality, plays oil
The micro- lubrication of mist, chip removal, cooling effect.
When the processing revolving body workpieces of scene, drill gun is clamped in socket for taper shank, and loaded on lathe square tool post, mist of oil pulse is sent out
Raw device conduit is introduced by tailstock, and high-pressure coolant is by cold by inside drill gun hollow drill pipe, reaching the micro- lubrication of drill gun head progress
But, while iron filings are discharged high-pressure coolant from V-groove of the inside workpiece outside drilling rod, and entire drilling process is without periodically setting
Set withdrawing chip removal operation.Such as: processing the hole Φ 16mm, the workpiece of deep 280mm, tool selection carbide gun drill, processing before
The Φ 16+0.02 0mm guide hole of part one end depth 40mm, lathe revolving speed 850r/min, feed of every rotation 0.06mm are used
The mist of oil impulse generator progress micro- lubrication of mist of oil, finished work-piece hole size Φ 16.01mm~Φ 16.03mm, Ra0.8~
Ra1.6μm。
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (8)
1. a kind of device using lathe process deep hole, which is characterized in that including the workpiece (2) in the machine tool three-jaw chuck,
The middle supporting plate (5) being mounted on machine tool guideway, the knife rest (4) being mounted on middle supporting plate (5), and on the knife rest (4)
And the drill gun (3) with machine tool three-jaw chuck coaxial arrangement；
The workpiece (2) has the hole being axially arranged；
The drill gun (3) has the hollow channel being axially arranged, and has the slot being axially arranged in the outside wall surface of the drill gun (3)；
The tail portion of the drill gun (3) is equipped with cutting fluid pressure system, the cutting fluid pressure system by the hollow channel with
The cutting portion of drill gun (3) is connected to.
2. the device according to claim 1 using lathe process deep hole, which is characterized in that the machine tool guideway or middle support
Centre frame (6) are housed on plate (5), the centre frame (6) is between the workpiece (2) and the knife rest (4)；The centre frame
(6) guide sleeves (7) are housed on, the drill gun (3) is axially across the guide sleeves (7).
3. a kind of device using lathe process deep hole, which is characterized in that including the drill gun (3) in the machine tool three-jaw chuck,
The middle supporting plate (5) being mounted on machine tool guideway, the knife rest (4) being mounted on middle supporting plate (5), and on the knife rest (4)
Workpiece (2)；
The workpiece (2) has the hole being coaxially disposed with the machine tool three-jaw chuck；
The drill gun (3) has the hollow channel being axially arranged, and has the slot being axially arranged in the outside wall surface of the drill gun (3)；
The tail portion of the drill gun (3) is equipped with cutting fluid pressure system, the cutting fluid pressure system by the hollow channel with
The cutting portion of drill gun (3) is connected to.
4. the device according to claim 3 using lathe process deep hole, which is characterized in that the machine tool guideway or middle support
Centre frame (6) are housed on plate (5), the centre frame (6) is between the workpiece (2) and the machine tool three-jaw chuck；In described
Guide sleeves (7) are housed on heart frame (6), the drill gun (3) is axially across the guide sleeves (7).
5. the device of lathe process deep hole is utilized described in any one of -4 according to claim 1, which is characterized in that the slot is
V-groove.
6. the device of lathe process deep hole is utilized described in any one of -4 according to claim 1, which is characterized in that the drill gun
(3) tail portion is equipped with mist of oil impulse generator, the cutting which passes through the hollow channel and drill gun (3)
Portion's connection.
7. the device of lathe process deep hole is utilized described in any one of -4 according to claim 1, which is characterized in that the workpiece
(2) oil mist collector is equipped at aperture.
8. the device of lathe process deep hole is utilized described in any one of -4 according to claim 1, which is characterized in that the workpiece
(2) the processing end in the hole being axially arranged on is guide hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821756303.6U CN208913194U (en) | 2018-10-29 | 2018-10-29 | Utilize the device of lathe process deep hole |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821756303.6U CN208913194U (en) | 2018-10-29 | 2018-10-29 | Utilize the device of lathe process deep hole |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695409A (en) * | 2019-09-17 | 2020-01-17 | 安徽马钢表面技术股份有限公司 | Drilling method of interpenetrated small-diameter deep and long hole |
| CN111451538A (en) * | 2020-04-02 | 2020-07-28 | 福建新峰科技有限公司 | Automatic chip removal deep hole precision pore-forming system |
| CN111715918A (en) * | 2020-06-11 | 2020-09-29 | 江苏迈信林航空科技股份有限公司 | Machining method for small-diameter deep hole of aviation shell |
| CN112692333A (en) * | 2020-12-14 | 2021-04-23 | 浙江英洛华磁业有限公司 | Punching device and punching method for long hole of rotary workpiece |
-
2018
- 2018-10-29 CN CN201821756303.6U patent/CN208913194U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695409A (en) * | 2019-09-17 | 2020-01-17 | 安徽马钢表面技术股份有限公司 | Drilling method of interpenetrated small-diameter deep and long hole |
| CN111451538A (en) * | 2020-04-02 | 2020-07-28 | 福建新峰科技有限公司 | Automatic chip removal deep hole precision pore-forming system |
| CN111715918A (en) * | 2020-06-11 | 2020-09-29 | 江苏迈信林航空科技股份有限公司 | Machining method for small-diameter deep hole of aviation shell |
| CN111715918B (en) * | 2020-06-11 | 2021-11-09 | 江苏迈信林航空科技股份有限公司 | Machining method for small-diameter deep hole of aviation shell |
| CN112692333A (en) * | 2020-12-14 | 2021-04-23 | 浙江英洛华磁业有限公司 | Punching device and punching method for long hole of rotary workpiece |
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