CN110000617A - A kind of double headstock structures of four Spindle Machining Centers - Google Patents
A kind of double headstock structures of four Spindle Machining Centers Download PDFInfo
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- CN110000617A CN110000617A CN201910129969.1A CN201910129969A CN110000617A CN 110000617 A CN110000617 A CN 110000617A CN 201910129969 A CN201910129969 A CN 201910129969A CN 110000617 A CN110000617 A CN 110000617A
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- spindle
- slide
- spindle box
- main shaft
- cutter
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- 238000003754 machining Methods 0.000 title claims abstract description 16
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- 210000003734 kidney Anatomy 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 23
- 239000007789 gas Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- 230000002459 sustained effect Effects 0.000 description 7
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 6
- 238000013022 venting Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
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- 239000007921 spray Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
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- 229910001873 dinitrogen Inorganic materials 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
- B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
- B23Q3/15753—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
- B23Q3/15766—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged perpendicularly to the rotating or circulating plane of the storage means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
- B23Q2039/006—Machines with multi-spindles
Abstract
The invention discloses machining equipment technical fields, specially a kind of double headstock structures of four Spindle Machining Centers, including pedestal, column is fixedly connected on pedestal, the crossbeam across pedestal is provided on column, the workbench moved back and forth along the x axis is slidably fitted on pedestal, workbench is located at the lower section of crossbeam, the slide moved back and forth along the y axis is slidably fitted on crossbeam, slide two sides are relatively set at least a pair of of the spindle box moved back and forth along Z-direction, the cross-sectional shape of spindle box is kidney ellipsoid, spindle box is closely slidably connected on slide and the distance between spindle box and slide is made to level off to zero, spindle box includes several main shafts, main shaft bottom end is mounted on dismountable cutter.It is designed using the spindle box of kidney ellipsoid, reduces size of the main shaft from slide side, reduce main shaft end face with a distance from slide side, ensure that workpiece stress is more stable in processing, precision is higher, and roughness is more preferable.
Description
Technical field
The present invention relates to machining equipment technical field, specially a kind of double spindle box knots of four Spindle Machining Centers
Structure.
Background technique
Currently, multi-axis NC Machine Tools refer to X, Y, Z-direction kinematic axis and rotation of workpiece etc., and possess multiple independent
Main shaft, and each independent main shaft, have its independent control system, each clamping is capable of processing multiple workpiece, but these are more
A main shaft is often in unilateral arrangement, so single-sided process can only be carried out to workpiece, machining accuracy not can guarantee, can only be to workpiece
It is roughly processed, workpiece can not be finished.
Spindle box in existing multi-axis NC Machine Tools is one of important part for forming lathe and machine tool processing workpiece
It is crucial.Therefore, the reasonable structure of spindle box is the important of guarantee machine tool accuracy stability, persistence and entire lathe rigidity
One of condition.
Existing spindle box is slidably connected on slide, is connected between spindle box and slide by cantilever, in spindle box
Equipped with main shaft, main shaft bottom is detachably connected with the cutter for processing, is processed by cutter to workpiece.But
It is easy to tremble due to, there are hron spacing, causing to be influenced spindle box by hron spacing in process between spindle box and slide
It is dynamic, lead to occur the unstable situation of stress in process, to influence the precision of processing.
Summary of the invention
The main purpose of the present invention is to provide a kind of double headstock structures of four Spindle Machining Centers, to solve existing skill
Due to there are certain hron spacing, causing spindle box in process to be easy to appear stress not between spindle box and slide in art
Stable situation, thus the problem of influencing machining accuracy.
To achieve the above objectives, a kind of the technical solution adopted by the present invention are as follows: double spindle box knots of four Spindle Machining Centers
Structure, including pedestal are slidably fitted with the workbench moved back and forth along the x axis on the pedestal, are fixedly connected on the pedestal
There is column, crossbeam is fixedly installed on the column, the slide knot moved back and forth along the y axis is slidably fitted on the crossbeam
Structure, the column are located at the center of pedestal, and the slide carriage structure two sides are mounted on the sliding rail along Z-direction, the sliding rail
Spindle box is inside slidably connected, the cross-sectional shape of the spindle box is kidney ellipsoid, and two spindle boxes are along slide carriage structure
Central axes be symmetrical arranged, the spindle box is closely slidably connected on slide carriage structure and makes between spindle box and slide carriage structure
Distance levels off to zero, and the servo motor that driving spindle case is moved back and forth along Z-direction, the main shaft are equipped in the spindle box
Case includes several evenly spaced main shafts, and two main shafts are symmetrical arranged along spindle box central axes, and the main shaft bottom end is pacified
Equipped with cutter.
The principle of the invention lies in: workpiece to be processed is placed on the table, first sliding table along the x axis
The workpiece on workbench is set to be in suitable Working position, the then sliding of stop table, secondly sliding is slided along the y axis
Seat, finally makes spindle box be in the top of workpiece, the servo motor being then turned in spindle box, and servo motor drives spindle box edge
Z-direction movement, main shaft and cutter are followed by spindle box and move together, and cutter is processed workpiece, then servo electricity
Machine reversion drives spindle box backtracking to be simultaneously restored to original position, during working process due to spindle box and slide it
Between closely connect, the distance between spindle box and slide level off to zero, not will shake in process, are not in process
The unstable situation of middle workpiece stress.
The present invention has the advantages that 1, using kidney ellipsoid spindle box design, reduce size of the main shaft from slide side,
Main shaft end face is reduced with a distance from slide side, ensure that workpiece stress is more stable in processing, precision is higher, roughness
More preferably.2, the distance between spindle box and slide carriage structure level off to zero, and the jib-length between spindle box and slide is made almost to become
It is bordering on zero, spindle box shake can be reduced in such process, stress unstable situation when being not in processing improves and adds
Work precision.
It advanced optimizes, the column two sides are respectively equipped with one group of cutter-exchange mechanism, and cutter-exchange mechanism includes tool changing disk, described
Tool changing disk is connected with the motor for the rotation of tool changing disk, and the tool changing disk is equipped with several circumferentially equally distributed tool changing slots,
Cutter described in variety classes is detachably connected in the tool changing slot；Cutter automatic tensioning mechanism, institute are equipped in the main shaft
Cutter automatic tensioning mechanism is stated to be controlled by two-position four-way solenoid valve.Spindle box first reaches the upper of tool changing disk along Y-axis transverse shifting
Then side moves down along Z axis and reaches cutter knife position and lock cutter by automatic tensioning mechanism, after grabbing knife, spindle box is along Z axis
It moves, then slide is back to initial position along Y-axis transverse shifting.
It advanced optimizing, the quantity of the spindle box is two, and two spindle boxes are symmetrical arranged along slide central axes,
It include two main shafts in each spindle box, two main shafts are symmetrical arranged along spindle box central axes.Spindle box is symmetrical arranged
And being symmetrical arranged for main shaft can make main shaft have symmetry to the processing of workpiece, to keep processing more stable.
It advanced optimizes, four pieces is slidably connected on workbench for placing the articles holding table of workpiece, four pieces of articles holding tables
It is rectangle array manner arrangement.One spindle box drives two main shafts to move simultaneously, each main shaft in slide carriage structure two sidewalls
Case, each spindle box are driven by a servo motor, guarantee four main shafts simultaneously to four with dynamic technology using mature motor
Workpiece on articles holding table is processed, high in machining efficiency.
It advanced optimizes, the column is people's font structure, and the center of gravity of the column is in column position on the lower side.
Chevron shaped structure design guarantees the rigidity of column, support force, and guarantees the center of gravity position on the lower side in column, keeps lathe more stable.
It advanced optimizes, center is equipped with balance groove on the upside of the slide, and balance element is equipped in the balance groove, described
Balance element is U-typed balance element.Balance element can make slide keep equilibrium state when slide moves back and forth along the y axis.
It advanced optimizes, both sides are each provided with a supporting element on the upside of the slide, and the supporting element is U-typed support
Part, the supporting element are used for against spindle box close to the side of slide.As lathe access times are excessive, spindle box inevitably can be with
Loosening is generated between slide, supporting element enables spindle box to be fitted tightly over to spindle box one support force towards slide
Slide two sides.
It advanced optimizes, the main shaft is electro spindle, and revolving speed is 18000r/min when the electro spindle works, and the electricity is main
Bearing is installed on axis.Bearing plays the role of supports main shaft, and electro spindle rotation drives the cutter below electro spindle to be rotated,
Cutter completes the working process to object.
It advanced optimizes, several lightening holes is additionally provided on the spindle box.Lightening hole can reduce being processed into for spindle box
This.
It advanced optimizes, the slide two sides are respectively equipped with cylindrical upright bar, and the spindle box is equipped with for sliding
The arc buckle of dynamic cooperation upright bar.
Detailed description of the invention
Fig. 1 is a kind of axis side view of double headstock structures of four Spindle Machining Centers of the invention；
Fig. 2 is a kind of front view of double headstock structures of four Spindle Machining Centers of the invention；
Fig. 3 is that the spindle box in the present invention installs face-up structural schematic diagram；
Fig. 4 is the spindle box mounting surface structural schematic diagram directed downwardly in the present invention；
Fig. 5 is the structural schematic diagram of the crossbeam in the present invention；
Fig. 6 is the structural schematic diagram of the slide in the present invention；
Fig. 7 be in the present invention include cutter-exchange mechanism front view；
Fig. 8 is the structural schematic diagram of the spindle drum in the present invention；
Fig. 9 is the schematic diagram inside the crossbeam in the present invention；
Figure 10 be signal projector in the present invention, signal receiver, signal processing system, control system interactively
Figure；
The schematic diagram of spindle box when Figure 11 is the spindle drum rotation in the present invention；
Figure 12 is the relationship schematic diagram in the present invention between different side Dual-output shaft motor and spindle drum.
Appended drawing reference: pedestal 1, upper plate 101, bottom plate 102, column 2, crossbeam 3, workbench 4, slide 5, spindle box 6, different
Side Dual-output shaft motor 7, spindle drum 8, forward spindle seat 81, rear spindle drum 82, main shaft 9, signal projector 10, signal receiver
11, ring flange 12, venthole 13, venting channels 14, sliding shoe 15, elastic hose 16, opening 17, air accumulator 18, air supply pipe 19,
Wheel hub 20, gas distribution pipe 21, air curtain spout 22, chip space 23, chip removal screw rod 24, cutter 25, guide rail 26, inverted U mouth 27, sliding block
28, pulley 29, articles holding table 30, transmission groove 31, screw rod 32, ladder notch 33, cutter-exchange mechanism 34, tool changing disk 341, balance element
35, supporting element 36, lightening hole 37, arc buckle 38.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The embodiment of the present invention is as shown in Fig. 1~12: a kind of double headstock structures of four Spindle Machining Centers, including pedestal
1, it is connected with column 2 on upper plate 101 and bottom plate 102, pedestal 1, is provided with the crossbeam 3 across pedestal 1 on column 2, on pedestal 1
It is slidably fitted with the workbench 4 moved back and forth along the x axis, workbench 4 is located at the lower section of crossbeam 3, is slidably fitted on crossbeam 3
The slide 5 moved back and forth along the y axis, 5 two sides of slide, which are respectively equipped with, moves back and forth spindle box 6, spindle box 6 along Z-direction
It is inside additionally provided with different side Dual-output shaft motor 7, two output shafts of different side Dual-output shaft motor 7 run through 6 side wall of spindle box, different side
The side that two output shafts of Dual-output shaft motor 7 stretch out 6 side wall of spindle box is respectively connected with spindle drum 8, in different side dual output
Main shaft 9 can be rotated relative to slide 5 under the action of spindle motor 7, main shaft 9 is equipped in spindle drum 8, two main shafts 9 are along 6 axis of spindle box
Line is symmetrical arranged, and the spindle drum 8 positioned at 6 front-rear position of spindle box is forward spindle seat 81 and rear spindle drum 82；It is also set in spindle box 6
There is the control system of control servo motor, main shaft 9, signal projector 10 is installed on forward spindle seat 81 or rear spindle drum 82, it is sliding
The signal receiver matched with signal projector 10 is installed on the opposite forward spindle seat 81 in 5 another sides of seat or rear spindle drum 82
11, when work, signal receiver 11 receives always the signal of signal projector 10, when signal receiver 11 is not received by signal
When, special plane work stoppage.
It further include signal processing system, signal receiver 11 feeds back information to signal processing system, signal processing system
Control system is fed back information to, control system pause special plane works and adjusts the revolving speed of one of servo motor.
The quantity of spindle box 6 is two, and the quantity of forward spindle seat 81 is two, and the quantity of rear spindle drum 82 is two.
There are three signal projector 10, slide another side is opposite for installation on one of forward spindle seat 81 or rear spindle drum 82
Forward spindle seat 81 or the installation of rear spindle drum 82 there are three signal receiver 11, when at least being received there are two signal receiver 11
When the signal that corresponding signal projector 10 is issued, progress working properly.
9 bottom face of main shaft is connected with ring flange 12, and ring flange 12 is equipped with venthole 13, is equipped with venting channels in main shaft 9
14, venting channels 14 are oppositely arranged with the venthole 13 on ring flange 12；Further include external gas source, is set on the upper plate 101
There is slideway, slidably connect sliding shoe 15 in slideway along the y axis, external gas source is connected with elastic hose 16, elastic hose 16
It is connected across sliding shoe 15 and with the venting channels 14 in main shaft 9, is equipped with inner cavity in crossbeam 3, it is interior intracavitary to be equipped with air curtain
Mechanism, the side wall of crossbeam are equipped with several openings 17 for being close to arrangement.
Air curtain generating mechanism includes air accumulator 18 and air supply pipe 19, contains gas source in air accumulator 18, air accumulator 18 is connected with
Several air supply pipes 19, the end of air supply pipe 19 are connected with gas distribution pipe 21, and gas distribution pipe 21 is equipped with several air curtain spouts 22, air curtain spray
Mouth 22 is arranged in a one-to-one correspondence with the opening 17 on 3 side wall of crossbeam.
The gas source contained in external gas source, air accumulator 18 is nitrogen gas or air.On external gas source, air accumulator 18
Valve equipped with control gas source circulation.Sliding shoe 15 is fast in the sliding speed of upper plate 101 and sliding of the slide 5 on crossbeam 3
Degree is consistent.The cross-sectional area of air curtain spout 22 is one of rectangular, round, triangle.
1 two inner walls of upside of pedestal are equipped with chip space 23, are equipped with chip removal screw rod 24 in chip space 23, chip removal screw rod 24 is connected with
Chip removal motor.
The cross-sectional shape of spindle box 6 be kidney ellipsoid, spindle box 6 be closely slidably connected on slide 5 and make spindle box 6 with
The distance between slide 5 levels off to zero, and the servo electricity that driving spindle case 6 is moved back and forth along Z-direction is equipped in spindle box 6
Machine, 9 bottom end of main shaft are mounted on dismountable cutter 25.
2 two sides of column are respectively equipped with one group of cutter-exchange mechanism 34, and cutter-exchange mechanism 34 includes tool changing disk 341, and tool changing disk 341 connects
It is connected to the motor rotated for tool changing disk 341, tool changing disk 341 is equipped with several circumferentially equally distributed tool changing slots, tool changing slot
Inside it is detachably connected with variety classes cutter 25；25 automatic tensioning mechanism of cutter, 25 automatic tension machine of cutter are equipped in main shaft 9
Structure is controlled by two-position four-way solenoid valve.
Center is equipped with balance groove on the upside of slide 5, and balance element 35 is equipped in balance groove, and balance element 35 is U-typed balance
Part 35.
5 upside both sides of slide are each provided with a supporting element 36, and supporting element 36 is U-typed supporting element 36, and supporting element 36 is used
In against spindle box 6 close to the side of slide 5.
Crossbeam 3 is domed, and central angle corresponding to circular arc where arch is 22.675 °, is fixedly installed with guide rail on crossbeam 3
26,26 quantity of guide rail is four, is provided with two guide rails 26 at the top of crossbeam 3,3 two sides of crossbeam are relatively set with a pair of guide rails
26, slide 5 is inverted u-shaped, and slide 5 is equipped with the inverted U mouth passed through for crossbeam 3, and the inverted U mouth of slide 5 engages with crossbeam 3.
Four sliding blocks 28 being mutually clamped respectively with four guide rails 26, the inverted U mouth of slide 5 are fixedly installed on slide 5
It coats crossbeam 3 and is supported by four sliding blocks 28.The shape of 28 cross section of sliding block is " recessed " type, and the shape of 26 cross section of guide rail is
" convex " type.
Bottom plate 102 is equipped with slideway, and 1 bottom of pedestal is equipped with pulley 29, and pulley 29 is slidably connected in slideway.Bottom plate 102
It is slidably connected with pedestal 1, pedestal 1 can move back and forth along the x axis.8 bottom of spindle drum is provided with the mouth passed through for cutter 25
Son.
Column 2 is people's font structure, and the center of gravity of column 2 is in the position on the lower side of column 2.
Four pieces are slidably connected on workbench 4 for placing the articles holding table 30 of workpiece, four pieces of articles holding tables 30 are rectangle battle array
Column mode is arranged.
Center is provided with transmission groove 31 on the upside of crossbeam 3, screw rod 32 is provided in transmission groove 31, screw rod 32 is connected with defeated
Motor out, screw rod 32 drive slide 5 to move back and forth along the y axis.
Opposite ladder notch 33 there are two setting in the inverted U mouth of slide 5, two ladder notches 33 are along 5 central axes of slide
It is symmetrical arranged, two guide rails 26 that 3 side of crossbeam is arranged in are located in ladder notch 33.
Main shaft 9 is electro spindle 9, and revolving speed is 18000r/min when electro spindle 9 works, and is equipped with bearing on electro spindle 9.
Several lightening holes 37 are additionally provided on spindle box 6.5 two sides of slide are respectively equipped with cylindrical upright bar, on spindle box 6
38 are buckled equipped with the arc for the upright bar that is slidably matched.
It is equipped with groove in articles holding table 30, cavity is equipped in articles holding table 30, clamp rod is installed in cavity, clamp rod, which runs through, to be set
30 inner wall of object platform, one end that clamp rod stretches out 30 inner wall of articles holding table are connected with arc grip block.
Main shaft 9 is 0 °~15 ° relative to the angular range that slide 5 rotates.
It is of the invention specific steps are as follows: in the present invention sliding of workbench 4, slide 5 and spindle box 6 pass through
Numeric Control Technology is completed, and the present invention can disposably process four wheel hubs 20, high in machining efficiency,
It first carrying out grabbing knife work before processing starts, sliding slide 5 is moved to the top of tool changing disk 341 along Y-axis positive axis,
Spindle box 6 is also followed by the top that slide 5 is moved to tool changing disk 341, and then spindle box 6 moves down arrival knife along the negative semiaxis of Z
Have 25 knife positions, and after grabbing knife by 25 automatic tensioning mechanism of cutter, along Z positive axis to moving up, is then returned along the negative semiaxis transverse shifting of Y
It is back to initial position.
Then four wheel hubs 20 are placed individually into the groove in four articles holding tables 30, then extend clamp rod, makes arc
Phenomena such as shape grip block clamps wheel hub 20, is not likely to produce skidding in process convenient for wheel hub 20.
Sliding table 4 along the x axis first, slide into the wheel hub 20 in the articles holding table 30 on workbench 4 suitably
Secondly Working position, the then sliding of stop table 4 slide slide 5, slide slide 5 along the y axis, finally make four
Main shaft 9 is respectively at the top of four wheel hubs 20, then opens the servo motor in two spindle boxes 6 simultaneously, makes two servos
Motor drives spindle box 6 to move along Z-direction with dynamic, and main shaft 9 and cutter 25 are followed by spindle box 6 and move together, waits until cutter
25 bottoms soon touch 20 upper surface of wheel hub, and then main shaft 9 starts turning itself, carry out cutter 25 at processing to wheel hub 20
Reason.
In process since crossbeam 3 is arch beam 3, central angle corresponding to circular arc where arch is 22.675 °,
Stress is more stable when arch beam 3 can guarantee processing.Due to closely being connected between spindle box 6 and slide 5, spindle box 6 and slide 5
The distance between level off to zero, not will shake in process, be not in the situation that workpiece stress is unstable in process.
Pedestal 1 can slide on bottom plate 102, when the wheel hub 20 on workbench 4 slides into Working position, if wheel hub
20 when being entirely located in the side of the special plane with the center of gravity of workbench 4, keeps the side stress of the special plane big, and other side stress is smaller,
To processing when balance can generate destruction, so pedestal 1 is slided into the lesser side of stress balance special plane two sides by
Power, so that process be made to generate opposite balance.
Corresponding signal projector 10 and 11 original state of signal receiver are in sustained height, in forward spindle 9 with after
During main shaft 9 is moved to Z-direction, three signal projectors 10 on one of forward spindle seat emit always signal,
When all spindle boxes 6 are in sustained height, three signal receivers 11 on another forward spindle seat can receive always signal
The signal that transmitter 10 emits, but when there is one of spindle box 6 to be in different height from another spindle box 6, letter
Number receiver 11 does not receive signal, and signal receiver 11 can feed back to control system, and control system can first suspend spindle box 6
Then movement adjusts the revolving speed with the servo motor where one of spindle box 6, two spindle boxes 6 is made to reach same again
Highly, so latter two spindle box 6 can move synchronously, and carry out simultaneous processing to multiple wheel hubs 20 convenient for multiple cutters 25.To keep away
Exempt from signal receiver 11 and short duration failure occurs, when two and its when above signal receiver 11 can normally receive signal,
Show multiple spindle boxes 6 still in sustained height, it may be possible to which one of signal receiver 11 is blocked by crossbeam 3 or signal connects
It receives device 11 and short duration failure occurs.
During slide 5 slides along the y axis, sliding shoe 15 also slided on upper plate 101 by synchronization, external
Gas source in gas source is entered by elastic hose 16 in the venting channels 14 of main shaft 9, and gas passes through the venting channels 14 in main shaft 9
Venthole 13 on to ring flange 12 flows out, and gas forms longitudinal air curtain to 25 surface of cutter and workbench by venthole 13
4 surfaces are tentatively cleared up, and longitudinal air curtain can clear up in real time the clast on cutter 25 and workbench 4 in process.Add
Air curtain can clear up in real time the clast on the clast and workbench 4 on cutter 25 during work.Storage in process middle cross beam 3
Gas source in gas tank 18 generates gas and is flowed into gas distribution pipe 21 by air supply pipe 19, and the gas in gas distribution pipe 21 is sprayed by air curtain
Mouthfuls 22 spray, and gas forms lateral air curtain by the opening 17 on 3 side wall of crossbeam, make to generate clast in process horizontal
It is covered to air curtain and longitudinal air curtain, clast will not splash everywhere.
When needing to carry out wheel hub 20 inclination and the processing in 20 upper surface direction of wheel hub, first stopping servo motor making main shaft
Case 6 is no longer moved along Z-direction, then starts different side Dual-output shaft motor 7, different side Dual-output shaft motor 7 is by two output shafts
It rotates simultaneously and spindle drum 8 is driven to be rotated using 5 side wall of slide as rotation center, spindle drum 8 turns to suitable position, makes cutter
25 be slightly inclined with 20 surface of wheel hub, be then shut off different side Dual-output shaft motor 7, again simultaneously start servo motor, make main shaft
Case 6 is moved along Z-direction, and spindle drum 8 and the inclined state in 20 surface of wheel hub of main shaft 9 are followed by spindle box 6 along Z axis side
To movement, while 9 own rotation of main shaft is to 25 rotation of cutter, so complete to favouring in 20 surface direction of wheel hub
Processing.
Chip removal motor works always in process, and the rotation of chip removal motor, which is able to drive chip removal screw rod 24, will be deposited in chip removal
Clast in slot 23 is cleaned out.The symmetric design mode for being symmetrically installed mode and main shaft 9 of spindle box 6, and the special plane
Other component is essentially symmetric design mode, makes to guarantee that the stress of the special plane two sides is several when four 25 simultaneous processing wheel hubs 20 of cutter
It is equal, guarantee the stability of processing.
Embodiment 2 is as shown in Fig. 1~Figure 12: with embodiment 1 the difference is that forward spindle on a spindle box and rear main
On axis respectively installation there are two signal projector, the opposite forward spindle in slide another side and rear main shaft respectively install there are two signal
Receiver, when at least there are three signal receiver receive the signal that corresponding signal projector is issued when, it is working properly into
Row.
Unlike the principle of embodiment 1: at 11 original state of corresponding signal projector 10 and signal receiver
In sustained height, during forward spindle 9 and rear main shaft 9 are moved to Z-direction, one of forward spindle seat and one of them
Afterwards respectively there are two signal projector 10 on spindle drum, this four signal projectors 10 can emit always signal, all main shafts
When case 6 is in sustained height, respective two signal receivers 11 can be with one on another forward spindle and another rear spindle drum
Directly by signal, but when there is one of spindle box 6 to be in different height from another spindle box 6, signal receiver
11 do not receive signal, and signal receiver 11 can feed back to control system, and control system can first suspend the movement of spindle box 6, so
The revolving speed with the servo motor where one of spindle box 6 is adjusted afterwards, so that two spindle boxes 6 is reached sustained height again, so
Latter two spindle box 6 can move synchronously, and carry out simultaneous processing to multiple wheel hubs 20 convenient for multiple cutters 25.To avoid signal from connecing
It receives device 11 and short duration failure occurs, when three and its when above signal receiver 11 can normally receive signal, show two
Spindle box 6 is still in sustained height, it may be possible to which one of signal receiver 11 is blocked by crossbeam 3 or signal receiver 11 goes out
Existing short duration failure.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of double headstock structures of four Spindle Machining Centers, including pedestal, it is characterised in that: be fixedly connected on the pedestal
There is column, the crossbeam across the pedestal is provided on the column, reciprocal fortune along the x axis is slidably fitted on the pedestal
Dynamic workbench, the workbench are located at the lower section of the crossbeam, are slidably fitted on the crossbeam and move back and forth along the y axis
Slide, the slide two sides are relatively set at least a pair of of the spindle box moved back and forth along Z-direction, the cross of the spindle box
Cross sectional shape is kidney ellipsoid, and the spindle box is closely slidably connected on slide and approaches the distance between spindle box and slide
The servo motor that driving spindle case is moved back and forth along Z-direction is installed in zero, the spindle box, if the spindle box includes
Evenly spaced main shaft is done, the main shaft bottom end is mounted on dismountable cutter.
2. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the column
Two sides are respectively equipped with one group of cutter-exchange mechanism, and cutter-exchange mechanism includes tool changing disk, and the tool changing disk is connected with to be rotated for tool changing disk
Motor, the tool changing disk is equipped with several circumferentially equally distributed tool changing slots, is detachably connected in the tool changing slot
Cutter described in variety classes；Cutter automatic tensioning mechanism is equipped in the main shaft, the cutter automatic tensioning mechanism is by two four
Three-way electromagnetic valve is controlled.
3. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the main shaft
The quantity of case is two, and two spindle boxes are symmetrical arranged along slide central axes, includes two main shafts in each spindle box, two
A main shaft is symmetrical arranged along spindle box central axes.
4. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the work
Four pieces are slidably connected on platform for placing the articles holding table of workpiece, four pieces of articles holding tables are rectangle array manner arrangement.
5. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the column
Center of gravity for people's font structure, the column is in column position on the lower side.
6. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the slide
Upside center is equipped with balance groove, and balance element is equipped in the balance groove, and the balance element is U-typed balance element.
7. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the slide
Upside both sides are each provided with a supporting element, and the supporting element is U-typed supporting element, and the supporting element against spindle box for leaning on
The side of nearly slide.
8. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the main shaft
For electro spindle, revolving speed is 18000r/min when the electro spindle works, and is equipped with bearing on the electro spindle.
9. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the main shaft
Several lightening holes are additionally provided on case.
10. a kind of double headstock structures of four Spindle Machining Center according to claim 1, it is characterised in that: the cunning
Seat two sides are respectively equipped with cylindrical upright bar, and the spindle box is equipped with to be buckled for the arc for the upright bar that is slidably matched.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129969.1A CN110000617A (en) | 2019-02-21 | 2019-02-21 | A kind of double headstock structures of four Spindle Machining Centers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129969.1A CN110000617A (en) | 2019-02-21 | 2019-02-21 | A kind of double headstock structures of four Spindle Machining Centers |
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| CN110000617A true CN110000617A (en) | 2019-07-12 |
Family
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| CN201910129969.1A Pending CN110000617A (en) | 2019-02-21 | 2019-02-21 | A kind of double headstock structures of four Spindle Machining Centers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000616A (en) * | 2019-02-21 | 2019-07-12 | 宁波米诺机床有限公司 | A kind of high-precision four Spindle Machining Centers special plane |
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