CN209239068U - A kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe - Google Patents
A kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe Download PDFInfo
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- CN209239068U CN209239068U CN201821827460.1U CN201821827460U CN209239068U CN 209239068 U CN209239068 U CN 209239068U CN 201821827460 U CN201821827460 U CN 201821827460U CN 209239068 U CN209239068 U CN 209239068U
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- spindle box
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- binary channels
- numerically controlled
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Abstract
The utility model relates to numerical control machine tool technique fields, specifically, it is a kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe, including belt pulley, left spindle box gear, right spindle box gear, left I axis of spindle box, right I axis of spindle box, belt pulley is provided on the left of left spindle box gear, left spindle box gear is connected to left I axis of spindle box, left I axis of spindle box passes through fixing sleeve and transmission shaft rigid attachment, transmission shaft is coupled by expansion sleeve with right I axis of spindle box, it is connected to right spindle box gear, traditional connecting mode is that transmission shaft couples with right I axis of spindle box and coupled with spline, spline connection has gap, influence machining accuracy, spline is connected in circumferencial direction and secures, it is synchronous to be unable to adjust left and right fixture, it adjusts and synchronizes only on the fixture of left and right, it is very inconvenient.Transmission shaft coupled by expansion sleeve with right I axis of spindle box be it is gapless, it is synchronous that left and right fixture is very easily adjusted by expansion sleeve.
Description
Technical field
The utility model relates to numerical control machine tool technique fields, specifically, being a kind of double spindle boxes of binary channels numerically controlled lathe
Synchronization transmission structure.
Background technique
Numerically-controlled machine tool is a kind of automated machine tool equipped with program control system, which can logically handle tool
There are control coding or other symbolic instruction regulated procedures, and decoded, with the digital representation of code, passes through information carrier
Input numerical control device.Various control signals are issued by numerical control device through calculation process, control the movement of lathe, by drawing
Shape and size automatically process part.
Numerically-controlled machine tool preferably solves complicated, accurate, small mount, multi items part processing problems, is a kind of flexibility
, dynamical automated machine tool, represent the developing direction of modern machine control technology, be a kind of typical electromechanical integration
Product.
Existing numerically-controlled machine tool there are many using single pass, and single channel numerically-controlled machine tool has working efficiency low, add
The disadvantages such as work precision is low.
Utility model content
In order to which to one kind is provided in the market, work efficiency is high, the high binary channels numerically-controlled machine tool of machining accuracy, the utility model
Disclose a kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe.
The specific technical solution that the utility model uses is as follows:
A kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe, including belt pulley, left spindle box gear, right main shaft
Case gear, I axis of left spindle box, I axis of right spindle box, belt pulley is provided on the left of left spindle box gear, and left spindle box gear connects
It is connected to left I axis of spindle box, left I axis of spindle box is by fixing sleeve and transmission shaft rigid attachment, and transmission shaft is by expansion sleeve and right main shaft
The connection of I axis of case, is connected to right spindle box gear.
Further improvement of the utility model uses for installing the spindle box of left spindle box gear and right spindle box gear
Integral box mechanism, internal bearings use high-accuracy main shaft special bearing.
Further improvement of the utility model uses for installing the spindle box of left spindle box gear and right spindle box gear
Two-stage gear drive.
Further improvement of the utility model passes through precision drive thick stick, precision between left I axis of spindle box, I axis of right spindle box
Flange form expansion sleeve connection.
Further improvement of the utility model, inside the spindle box for installing left spindle box gear and right spindle box gear
Equipped with gear clearance elimination structure.
In the technical scheme, power is passed to left I axis of spindle box by belt pulley by lathe main motor, then passes through left master
Axle box The gear deceleration makes left main shaft obtain power.Left I axis of spindle box passes through fixing sleeve and transmission shaft rigid attachment, transmission shaft again
Coupled by expansion sleeve with right I axis of spindle box, then by right spindle box The gear deceleration, makes right main shaft while obtaining power.
Traditional connecting mode is that transmission shaft couples with right I axis of spindle box and coupled with spline, and spline connection has gap,
Machining accuracy is influenced, spline is connected in circumferencial direction and secures, and is unable to adjust left and right fixture and synchronizes, and only raises in left and right fixture
Whole synchronization, it is very inconvenient.Transmission shaft coupled by expansion sleeve with right I axis of spindle box be it is gapless, it is very square by expansion sleeve
Just adjustment left and right fixture is synchronous.
The utility model has the beneficial effects that double spindle box synchronization transmission structures that the utility model discloses can be used for binary channels
The binary channels numerically-controlled machine tool of numerically-controlled machine tool, the double spindle box synchronization transmission structures disclosed using the utility model can be improved work efficiency
Energy conservation can be improved 2-3 times of work efficiency；Machining accuracy is improved, clamped one time completes processing；Occupied ground is saved, one achievable
More machine toolings；Mitigate labor intensity of workers, processing a workpiece, to lack clamping primary.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1- belt pulley, the left spindle box gear of 2-, left I axis of spindle box of 3-, 4- fixing sleeve, 5- transmission shaft, 6- swelling
Set, right I axis of spindle box of 7-, the right spindle box gear of 8-, 9- workpiece.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the protection scope of the utility model.
Embodiment: as shown in Figure 1, a kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe, including belt pulley 1,
Left spindle box gear 2, right spindle box gear 8, I axis 3 of left spindle box, I axis 7 of right spindle box, the left side setting of left spindle box gear 2
There is belt pulley 1, left spindle box gear 2 is connected to left I axis 3 of spindle box, and left I axis 3 of spindle box is rigid by fixing sleeve 4 and transmission shaft 5
Property connection, transmission shaft 5 couples by expansion sleeve 6 with right I axis 7 of spindle box, right spindle box gear 8 is connected to, for installing left master
The spindle box of axle box gear 2 and right spindle box gear 8 uses Integral box mechanism, and internal bearings use high-accuracy main shaft special axis
It holds, using two-stage gear drive, gear clearance elimination structure is additionally provided with inside spindle box.
In the present embodiment, pass through precision drive thick stick, accurate flange form swelling between left I axis 3 of spindle box, I axis 7 of right spindle box
6 connection of set.
The binary channels numerically-controlled machine tool being made of the present embodiment is mainly by 45 ° of oblique lathe beds, left axle case, right axle case, left saddle knives
Tower, right saddle knife tower, X to feed system, Z-direction feed system, left and right card tank and clamping system, hydraulic system, lubricating system,
The composition such as FANUC-0IF-TD digital control system, electric machine, inside and outside protective device and chip removal cooling system.
Bed ways cross sectional shape is 45 ° of inclined rectangular guide rails, and large carrying capacity, guiding accuracy is good.Lathe bed is using high-quality
The casting of HT300 lost foam modeling, carries out vibration stress relief treatment after anneal, natrual ageing, semifinishing after casting, thus makes group
Homogenization is knitted, the precision stability of lathe bed is improved.Lathe bed inner cavity uses rectangle gusset, and lathe bed is made to possess excellent rigidity, resist
Vibration property and anti-section distortion ability, effectively increase the shock resistance and stability under machine tool high speed rotation.Each guide rail mainly slides
The features such as face uses supersonic frequency induction hardening grinding process, has frictional resistance small after lathe bed grinding, and movement is steady, and the service life is long.
Left spindle box and right spindle box are one of lathe important foundation parts, and the part is through resin sand essence casting, at artificial aging
Reason is the carrier of spindle assemblies, and case stops middle axle bearing bore and installation positioning surface is important processing base face, left and right spindle box tool
There are good rigidity, vibration resistance and thermal diffusivity.Position it is simple and reliable, with lathe bed close securely, and front and back main shaft bearing use
Japanese NSK high-precision main shaft special bearing, so that machine tool chief axis be made to have, rotating accuracy is high, and the strong feature of rigidity, main motor is adopted
With high-power servo principal axis motor, variable speed had not only been able to achieve low-speed big cutting, but also can complete high speed finishing processing.
Left and right spindle box uses Integral box mechanism.Bearing uses high-accuracy main shaft special bearing, and reasonable span designs,
And spindle unit is rationally assembled through dynamic balance treatment plus high-precision bearing, so that main shaft has very high rigidity, excellent is returned
Turn precision and low-temperature-rise performance.Case internal gear passes through high-frequency quenching grinding process, and accuracy class reaches IT7 grades, tooth form and through special
Processing, so that spindle box noise is low.Spindle box driving member is in preferred angle, axial position in the arrangement of main shaft radial position
Near sensitive spot, driving force, without influence, greatly improves the rigidity of main shaft to main shaft projecting end.
Two-stage gear drive is used in spindle box, main motor exports the reduction of speed that revolving speed passes through synchronous pulley and gear, thus
So that main shaft output is obtained biggish torque, meets the big amount of the cutting roughing and semifinishing of crank-shaft link neck.
The lathe uses left spindle box for power transmission spindle box, right spindle box be slave spindle case, left and right spindle box it
Between pass through precision drive thick stick, double diaphragm elastic couplings, accurate flange form expansion sleeve connection.Disappear in the spindle box of left and right equipped with gear
Gap structure, comprehensive back clearance caused by can adjust between the spindle box of left and right with this configuration due to gear clearance etc., to reach
To left and right spindle box Synchronous Transmission, machining accuracy is improved.
Lathe user can separately select chuck according to the actual needs, should permitting by selected chuck and chuck oil cylinder
Perhaps revolving speed sets the upper limit (UL) revolving speed of machine tool chief axis.
Saddle, oblique saddle and slide plate are one of important moving components of lathe, and each part makes artificial aging by Reform of Resin Sand Casting
Reason, guide rail basal plane and its positioning surface, feed screw nut mounting surface are important finished surface.Saddle body structure is arranged using symmetrical,
Stress is more reasonable.Z-direction is lathe main guide rail close to the guide rail of major axes orientation, supplemented by the guide rail of separate major axes orientation
Assistant director of a film or play's rail, guide rail span 490mm.X-direction is lathe main guide rail, the guide rail far from major axes orientation close to the guide rail of major axes orientation
For auxiliary guide rail, machine tool guideway span 400mm, lathe X, Z-direction guide rail use high rigidity roller guide pair, each guide pass
Lubrication all uses automatic ration centralized lubrication.
The X of lathe, Z-direction movement are all made of SIEMENS AC servo machinery driving, and the Z-direction of saddle is moved by Z axis motor
Pass through yielding coupling and the direct-connected driving of Z axis ball-screw；The movement of tailstock is hung by saddle by Z axis motor and draws movement, saddle
X-direction movement yielding coupling and the direct-connected driving of X-axis ball-screw are passed through by X-axis motor.Left and right X drives electricity to Z-direction
Machine drives screw rod, drives saddle and middle carriage movement, completes workpieces processing by the cutter on knife tower and cutterhead.
The lead screw of lathe selects the high-accuracy ball-screw of domestic well-known producer's production, and the support of lead screw is close to main shaft
One end positions the other end and is pre-stretched structure, can effectively eliminate since stress and temperature rise are deformed the shadow generated to machine tool accuracy
It rings, effectively raises the repetitive positioning accuracy and response speed of lathe.The profit of X-axis, Z, the guide rail of axle drive disk assembly and lead screw
Cunning is provided by centralized lubrication.
12 station LS250H/12T hydraulic turrets of the prosperous company in Taiwan six production of lathe apolegamy, knife tower are furnished with domestic crankshaft
Dedicated cutterhead, tool apron and blade, cutterhead are hydraulic locking and rotation.
Front and back spindle box card tank is connect by tie-plate with front-end of spindle, and card tank is according to workpiece when making and main-shaft core
Eccentric 62.5mm, with guarantee lathe can satisfy to one or four and two three-link neck processing.180 ° of rotations of crankshaft pass through artificial
It manually completes.Crankshaft gripping mechanism is mounted on card hat inside, which is realized by being mounted on the angling cylinder of rear-end of spindle
Clamping to crankshaft and loosen.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe, which is characterized in that including belt pulley, left spindle box tooth
Wheel, right spindle box gear, I axis of left spindle box, I axis of right spindle box are provided with belt pulley on the left of the left spindle box gear, institute
It states left spindle box gear and is connected to left I axis of spindle box, left I axis of spindle box passes through fixing sleeve and transmission shaft rigid attachment, institute
It states transmission shaft and is coupled by expansion sleeve with right I axis of spindle box, be connected to the right spindle box gear.
2. the double spindle box synchronization transmission structures of binary channels numerically controlled lathe according to claim 1, which is characterized in that for pacifying
The spindle box of left spindle box gear and right spindle box gear is filled using Integral box mechanism, internal bearings are special using high-accuracy main shaft
Use bearing.
3. the double spindle box synchronization transmission structures of binary channels numerically controlled lathe according to claim 2, which is characterized in that for pacifying
The spindle box of left spindle box gear and right spindle box gear is filled using two-stage gear drive.
4. the double spindle box synchronization transmission structures of binary channels numerically controlled lathe according to claim 3, which is characterized in that the left side
Pass through precision drive thick stick, accurate flange form expansion sleeve connection between I axis of spindle box, I axis of right spindle box.
5. the double spindle box synchronization transmission structures of binary channels numerically controlled lathe according to claim 4, which is characterized in that for pacifying
It fills and is equipped with gear clearance elimination structure inside the spindle box of left spindle box gear and right spindle box gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827460.1U CN209239068U (en) | 2018-11-07 | 2018-11-07 | A kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827460.1U CN209239068U (en) | 2018-11-07 | 2018-11-07 | A kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209239068U true CN209239068U (en) | 2019-08-13 |
Family
ID=67527291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821827460.1U Active CN209239068U (en) | 2018-11-07 | 2018-11-07 | A kind of double spindle box synchronization transmission structures of binary channels numerically controlled lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209239068U (en) |
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2018
- 2018-11-07 CN CN201821827460.1U patent/CN209239068U/en active Active
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