CN110076351A - The specialized nc machine tool of processing cart axial workpiece - Google Patents
The specialized nc machine tool of processing cart axial workpiece Download PDFInfo
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- CN110076351A CN110076351A CN201910509301.XA CN201910509301A CN110076351A CN 110076351 A CN110076351 A CN 110076351A CN 201910509301 A CN201910509301 A CN 201910509301A CN 110076351 A CN110076351 A CN 110076351A
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- tailstock
- cylinder
- plate
- fixed
- gliding mass
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- 238000005259 measurement Methods 0.000 claims abstract description 33
- 230000004323 axial length Effects 0.000 claims abstract description 19
- 239000003921 oil Substances 0.000 claims description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 239000010727 cylinder oil Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 3
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/06—Turning-machines or devices characterised only by the special arrangement of constructional units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
- B23B3/30—Turning-machines with two or more working-spindles, e.g. in fixed arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/08—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The present invention relates to numerically-controlled machine tools, the especially specialized nc machine tool of processing cart axial workpiece, are moving up and down including lathe bed, two spindle boxes being mounted on lathe bed, two tailstocks, two knife platforms and Electrical Control of Machinery Tools device, one of tailstock；It is fixedly installed with retainer cylinder in spindle hole in spindle box, is fixed with multi-directional ball on the inner wall of retainer cylinder；Workpiece axial direction measuring device is installed two spindle box two sides.The technical program is on the basis of existing double spindle numerical control machine tools, to adapt to the biggish longaxones parts handling of draw ratio, axial length precise measurement needs, structure in the tailstock of side, main shaft is improved, left and right sides axial length measurement device is increased on lathe simultaneously, pass through above-mentioned improvement and increase, the loading and unloading time of longaxones parts, the measurement accuracy of axial dimension can be effectively reduced, it can be achieved that automatic charging, discharging and the automation of dimensional measurement.
Description
Technical field
The present invention relates to numerically-controlled machine tool, especially a kind of specialized nc machine tool of processing cart axial workpiece.
Background technique
Currently, double spindle box numerically controlled lathes have the characteristics that the high quilt of processing efficiency, machining accuracy in working shaft-like part
It is widely used.In the axle of the more complex longaxones parts of manufacturing procedure such as goods vehicle, manufacturing procedure are as follows: processing both ends
Face, both ends outer circle and inner hole, therefore need to be divided to two process processing in the case where not dismantling workpiece, first step presss from both sides Excircle machining
End face and inner hole, the second step tailstock withstands workpiece both ends inner hole processing excircles, and utilizes existing double spindle box numerically controlled lathes
When processing above-mentioned axial workpiece, there is the following in the problem of being primarily present: 1, the tailstock at existing dual center both ends is
It is fixed, feeding and unloading work manually need to be carried out using crane when loading and unloading longaxones parts, seriously affect processing efficiency；2, by
The axial dimension between its both ends shaft shoulder is required in some longaxones parts, in process due to the measurement of two shaft shoulders
Position is located at two spindle box left and right ends, causes axially measured difficulty, and dimensional accuracy not can guarantee.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, on the one hand provide a kind of spindle box one end tailstock it is removable and
The positioning accuracy of reset is good, on the other hand has the specialized nc machine tool of the processing cart axial workpiece of axial length automatic measurement.
To achieve the above object, the technical scheme is that a kind of specialized nc machine tool of processing cart axial workpiece, packet
Main spindle box, counter spindle box, right tailstock, left tailstock, You Daotai, left knife platform and the Machine Tools Electric for including lathe bed, being mounted on lathe bed
Control device, it is characterised in that left side axial length measurement device is provided on the lathe bed between main spindle box and left tailstock,
Right side axial length measurement device is provided on lathe bed between counter spindle box and right tailstock；Spindle hole in main spindle box
It is inside fixedly installed with retainer cylinder, is fixed with multi-directional ball on the inner wall of retainer cylinder；Above-mentioned left tailstock is by tailstock body, tailstock gliding mass
It is formed with pedestal, tailstock body is fixedly mounted on tailstock gliding mass, in a pair of guide rails that tailstock gliding mass is mounted on the base, in tailstock
It is provided with tailstock gliding mass locking device and tailstock gliding mass positioning device between gliding mass and pedestal, pacifies between pedestal and tailstock gliding mass
Equipped with oil cylinder, wherein cylinder block is fixed on pedestal, and piston rod is connected with tailstock gliding mass；It is equipped in tailstock body removable
Barrel of tail stock, the rotatable mandrel with taper hole is fixedly installed in the inner hole of barrel of tail stock front end, in barrel of tail stock rear end
It is provided with the driving device that barrel of tail stock can be driven to move linearly.
The section of the inner hole of above-mentioned retainer cylinder is the square with excessive fillet, square inner hole of the multi-directional ball along retainer cylinder
The length direction on each side is uniformly distributed.
Above-mentioned tailstock locking device is the tailstock gliding mass by being located at the pressing plate of guide rail lower end surface and being fixed on tailstock gliding mass
Locking cylinder composition, tailstock gliding mass locking cylinder upper and lower ends have piston rod stretching, wherein lower piston rod and pressing plate stationary phase
Even, reseting pressuring spring is installed on upper piston rod.
Above-mentioned locking device for sleeve is the sleeve locking cylinder being arranged on tailstock body, is provided in sleeve locking cylinder
Two opposite pistons and the pressure spring being mounted between piston opposing end surface, are provided on the periphery of two-piston opposite end and tail
The arc surface that seat excircle of sleeve matches.
The driving device of above-mentioned drive barrel of tail stock linear movement is drive cylinder, and the cylinder body of the drive cylinder is by tailstock
Hub internal bore composition, is provided with partition in the middle part of barrel of tail stock inner hole, barrel of tail stock tail portion is provided with sealing flange, piston
I is mounted in the barrel of tail stock inner hole between partition and sealing flange, installs on tailstock body corresponding with barrel of tail stock tail end
There is end cap, piston rod stretches out sealing flange and end cap, is fixedly linked with the adjustment plate being fixed on the outside of end cap, pacifies in adjustment plate
Equipped with adjustment bolt.
Guide rail two sides are symmetrically arranged in above-mentioned tailstock gliding mass positioning device, be by the positional cylinder oil that is set on the base and
Locating piece composition on tailstock gliding mass is set, I upper end of piston rod in positional cylinder is provided with coniform positioning pin,
The locating slot to match with positioning pin is provided on locating piece.
Above-mentioned left side axial length measurement device is left bottom plate by being fixedly linked with lathe bed and is mounted on left bottom plate
Driving mechanism and measuring device composition, are fixed with two parallel guide rails on left bottom plate, and fixed plate is mounted on guide rail, releases gas
Cylinder body, the bracket of cylinder are each attached in fixed plate, and the piston rod released in cylinder is fixed on side plate, and side plate is fixed on bottom plate one
Side；It is fixed with support plate in dead plate upper end side, support base is installed on the supporting plate, connecting shaft is fixed on by support base
In support plate；One end of connecting plate is fixed with left air measuring device, the other end of connecting plate and one end stationary phase of connecting shaft
Even, the other end and swing arm one end of connecting shaft are fixedly linked, and swing arm other end and the piston rod in oscillating cylinder are hinged, swing gas
The cylinder body of cylinder and the swingable connection of bracket.
Above-mentioned guide rail is linear guide, and the slide to match with linear guide is fixed in fixed plate.
Above-mentioned right side axial length measurement device is right bottom plate by being connected with lathe bed and is mounted on right bottom plate and drives dress
It sets and is formed with measuring device, a pair of guide rail I disposed in parallel is fixedly installed on right bottom plate, side is installed in right bottom plate side
Plate I, " L " type bracket are mounted on guide rail, and the cylinder body released in cylinder I is fixed on " L " type bracket, release the work in cylinder I
Stopper rod is fixed on side plate, and oscillating cylinder is hinged on " L " type bracket；Oscillating cylinder side on " L " type bracket is fixed with
Fixed plate, the lower end of two connecting rods are hinged in fixed plate I, and the upper end of two connecting rods is hinged on connecting plate I, in oscillating cylinder
Piston rod and above-mentioned two connecting rod in a connecting rod in the middle part of it is hinged, right air measuring device is installed on connecting plate.
Above-mentioned two connecting rod two end is hingedly made of the fixing seat being installed vertically in fixed plate and connecting plate I, solid
Pin shaft is provided in reservation, connecting rod two end is provided with the hole to match with pin shaft；Above-mentioned guide rail I is linear guide, with linear guide phase
The slide I matched is fixed on " L " type bracket.
Technical solution of the present invention has the characteristics that as follows: 1, tailstock is moved up and down by oil cylinder driving, processes the first sequence
When tailstock be in bottom, process the second sequence when tailstock by oil cylinder drive be overlapped its center with machine tool chief axis center, pass through top
Workpiece is withstood and carries out both ends Excircle machining by point；Workpiece tailstock in handling in this way is in bottom, and workpiece can pass through spindle hole
The multi-directional ball of middle installation is supported, and is moved axially along spindle hole and is carried out loading and unloading, is advantageously implemented automatic loading and unloading；2, the bottom of at
Tailstock gliding mass positioning device is provided between seat and tailstock gliding mass, it is ensured that the phase at tailstock center and lathe center in process
To registration accuracy；3, barrel of tail stock can be relatively moved relative to tailstock body, and guaranteeing still can top tight workpiece when workpiece is different in size；
4, this tailstock has the characteristics that structurally reasonable, easy to use, is very suitable to vehicle axial workpiece, is particularly suitable in double main shaft both-ends
The vehicle axial workpiece processed on the numerically controlled lathe of face；5, measured workpiece both ends are surveyed simultaneously using a pair of of air measuring device
Amount, measurement data are fed directly to machine tool numerical control system, are longaxones parts axial dimension for the cutter compensation of digital control system
Accurate, automatic measurement provide simple, effective method；6, structurally reasonable, occupy little space.The present apparatus passes through when in use
Measuring device is pushed to measurement position by cylinder, and measuring device can be recycled to the space of very little after measurement, is not influenced entire
Process；7, measuring device is driven using cylinder, and structure is simple, and easy to adjust, failure rate is low.
In conclusion the technical program is on the basis of existing double spindle numerical control machine tools, to adapt to the biggish long axis of draw ratio
The handling of class part, axial length precise measurement need, and are improved the structure in the tailstock of side, main shaft, while in machine
Left and right sides axial length measurement device is increased on bed can effectively reduce longaxones parts by above-mentioned improvement and increase
The loading and unloading time, axial dimension measurement accuracy, it can be achieved that automatic charging, discharging and the automation of dimensional measurement.
Detailed description of the invention
Attached drawing 1 is schematic structural view of the invention；
Attached drawing 2 is the structural schematic diagram of present invention left side axial length measurement device working condition；
Attached drawing 3 is the overlooking structure diagram of attached drawing 2 of the present invention；
Attached drawing 4 is the right side structural representation of attached drawing 2 of the present invention；
Attached drawing 5 is present invention left side axial length measurement device retracted state schematic view of the front view；
Attached drawing 6 is the structural schematic diagram of present invention right side axial length measurement device working condition；
Attached drawing 7 is the overlooking structure diagram of attached drawing 6 of the present invention；
Attached drawing 8 is present invention right side axial length measurement device retracted state overlooking structure diagram；
Attached drawing 9 is the structural schematic diagram of the main spindle box inner main axis of the present invention；
Attached drawing 10 is the A-A diagrammatic cross-section of attached drawing 9 of the present invention；
Attached drawing 11 is that present invention branch holds round material schematic diagram；
Attached drawing 12 is present invention support square stock schematic diagram；
Attached drawing 13 is the present invention looks up structural representation of the left tailstock of the present invention；
The right view of the attached drawing 13 of the present invention of attached drawing 14；
Attached drawing 15 is the left view of attached drawing 13 of the present invention.
Specific embodiment
In Fig. 1 to 15,1 is left tailstock, 1-1 is tailstock body, 1-1-1 is barrel of tail stock, 1-1-2 is mandrel, 1-2 is tail
Seat gliding mass, 1-3 are pedestal, 1-4 is guide rail, 1-5 is tailstock locking device, 1-5-1 is lower piston rod, 1-5-2 is piston, 1-5-
3 be reseting pressuring spring, 1-6 is pressing plate, 1-7 is driving device, 1-7-1 is adjustment plate, 1-7-2 is end cap, 1-7-3 is cavity, 1-
7-4 is partition, 1-7-5 is piston I, 1-7-6 is sealing flange, 1-7-7 is adjustment bolt, 1-8 is locking device for sleeve, 1-8-
1 is oil inlet, 1-8-2 is piston II, 1-8-3 is pressure spring, 1-9 is tailstock gliding mass positioning device, 1-9-1 is piston rod, 1-9-2
For piston III, 1-9-3 be positioning pin, 1-9-4 is locating piece, 1-10 is oil cylinder, 1-10-1 is that piston rod I, 2 is left knife platform, 3 is
Left side axial length measurement device, 3-1 are release cylinder, 3-2 is connecting shaft, 3-3 is oscillating cylinder, 3-4 is fixed plate, 3-5
For guide rail, 3-6 be left bottom plate, 3-7 is side plate, 3-8 is slide, 3-9 is swing arm, 3-10 is support plate, 3-11 is left pneumatic survey
Amount head, 3-12 are connecting plate, 3-13 is left air measuring device, 3-14 is support base, 3-15 is bracket, 4 is main spindle box, 4-
1 is main shaft, 4-2 is retainer cylinder, 4-3 is multi-directional ball, 4-4 be workpiece, 5 be lathe bed, 6 be counter spindle box, 7 be right side axial length
Measuring device, 7-1 are connecting rod, 7-2 is fixing seat, 7-3 is fixed plate, 7-4 is oscillating cylinder, 7-5 is release cylinder I, 7-6 is
Bracket, 7-7 are " L " type bracket, 7-8 is side plate I, 7-9 is guide rail I, 7-10 is right bottom plate, 7-11 is slide I, 7-12 is connection
The right air measuring device of plate I, 7-13,7-14 are right measuring head, 8 are right tailstock, 9 are right knife platform.
As shown in Figure 1, being equipped with main spindle box 4 and counter spindle box 6 on lathe bed 5, a left side is installed on the left of main spindle box
Tailstock 1 and left knife platform 2, are equipped with right tailstock 8 and right knife platform 9, between main spindle box and left tailstock on the right side of counter spindle box
Left side axial length measurement device 3 is installed on lathe bed, right-hand axis is installed on the lathe bed between counter spindle box and right tailstock
To length-measuring appliance 7.
As shown in Fig. 2,3,4,5, two parallel guide rail 3-5 are fixed on left bottom plate, fixed plate 3-4 is mounted on guide rail
On, cylinder body, the bracket 3-15 for releasing cylinder 3-1 are each attached in fixed plate, and the piston rod released in cylinder is fixed on side plate 3-7
On, side plate is fixed on the left of bottom plate；It is fixed with support plate 3-10 in dead plate upper end side, support base is installed on the supporting plate
3-14, connecting shaft 3-2 are fixed on the supporting plate by support base, and connecting shaft left end and one end of connecting plate 3-12 are fixed, connection
The other end of plate is fixedly linked with air measuring device 13, and right end and one end swing arm 3-9 of connecting shaft are fixedly linked, and swing arm is another
Hold, the cylinder body of oscillating cylinder and bracket 3-15 swingable connection hinged with the piston rod in oscillating cylinder 3-3.Above-mentioned guide rail 3-5
For linear guide, the slide 3-8 to match with linear guide is fixed on fixed plate 3-4.
When needing to measure the axial dimension of part to be processed, cylinder operation is released, due to releasing the piston of cylinder
Bar is fixed by side plate and left bottom plate, and the cylinder body for releasing cylinder drives fixed plate, slide to be moved to the left along linear guide, is moved to
Behind position, oscillating cylinder works, and the piston rod in oscillating cylinder moves down, and drives swing arm to rotate counterclockwise along connecting shaft, swing arm
It drives connecting shaft to rotate counterclockwise, after connecting shaft drives connecting plate to rotate counterclockwise in place, is fixed on the pneumatic of connecting plate left end
Pneumatic measuring head in measuring device stretches out to the right the measurement point for touching the left side on workpiece.
As shown in Fig. 6,7,8, two parallel I 7-9 of guide rail are fixed on right bottom plate 7-10, guide rail uses linear guide,
I 7-11 of slide to match with linear guide is fixed on " L " type bracket 7-7, and I 7-8 of side plate is equipped on the right side of right bottom plate, is released
Cylinder body in I 7-5 of cylinder is fixed on the right side of " L " type bracket, and the piston rod released in cylinder I is fixed on side plate I, oscillating cylinder
7-4 is hinged on the left of " L " type bracket；It is fixed with fixed plate 7-3 on the left of " L " type bracket, the lower end of two connecting rod 7-1 is hinged on
In fixed plate, the upper end of two connecting rods is hinged on connecting plate 7-12, in the piston rod in oscillating cylinder and above-mentioned two connecting rod
The middle part of one connecting rod in left side is hinged, and right air measuring device 7-13 is equipped on connecting plate.
Above-mentioned two connecting rod and fixed plate and connecting plate form lanar four rod mechanism.
When needing to measure the axial dimension of part to be processed, releases cylinder I and work, due to releasing the work of cylinder I
Stopper rod is fixed by side plate I and right bottom plate, and the cylinder body for releasing cylinder I drives " L " type bracket, slide along linear guide to moving to left
Dynamic, after movement in place, oscillating cylinder works, and the piston rod in oscillating cylinder stretches out to the left, drives connecting rod consolidating in fixed plate
Reservation rotates counterclockwise, after driving the right air measuring device being mounted on connecting plate to rotate counterclockwise in place, pneumatic gauging dress
Right measuring head in setting stretches out the measurement point for touching the right side of workpiece to the left.
It is needed to measure at the measurement position of workpiece since the present apparatus is mounted in numerically-controlled machine tool, two measurements of above-mentioned left and right
Position between device is certain, that is to say, that after the present apparatus is stretched out, left and right air measuring device is rotated in place, left and right two
Position between a Pneumatic measuring head be it is constant, when left and right, Pneumatic measuring head is moved towards after touch measurement point in this way, left
The distance between right Pneumatic measuring head subtracts the moving distance of two Pneumatic measuring heads, is exactly the axially measured point of measured workpiece
Accurate distance.After above-mentioned calculating is calculated and compared by machine tool numerical control system, the cutter compensation of digital control system is fed back to
Ensure that the axial dimension of part to be processed.
As shown in Fig. 9,10,11,12, it is fixedly installed with retainer cylinder in spindle hole, is fixed on the inner wall of retainer cylinder
Multi-directional ball, to guarantee that multi-directional ball can support the workpiece of different cross section, the section of retainer cylinder inner hole is the square with excessive fillet,
And length direction of the multi-directional ball along each side of square inner hole of retainer cylinder is uniformly distributed.
When in the hole for the main shaft that workpiece is delivered in main spindle box by feed device, the outer circle of workpiece or both sides and ten thousand
It is contacted to ball, since the ball in multi-directional ball can roll in all directions, and multi-directional ball has certain support energy
The weight of power, workpiece is evenly distributed on retainer cylinder by multi-directional ball, and thrust very little, facilitates people needed for the axial movement of workpiece
Workpiece movement can be started to process by work or mechanical device in place, after clamping.
The present apparatus can be used in the machine tool chief axis of oblique lathe bed and horizontal lathe bed adding, the numerical control especially suitable for double spindle boxes
It is added in the main shaft of lathe or other lathes.
As shown in Figure 13,14,15, pedestal is fixed on bed piece, and a pair of guide rails, tailstock gliding mass are provided on pedestal
It is mounted on guide rail, tailstock body is fixed on tailstock gliding mass.Oil cylinder is installed between pedestal and tailstock gliding mass, wherein oil cylinder
Body is fixed on pedestal, and piston rod I is connected with tailstock gliding mass.
Tailstock locking device is provided on tailstock gliding mass, which is by being located at the pressing plate of guide rail lower end surface and consolidating
There is piston rod due to the both ends of the piston in the tailstock gliding mass locking cylinder composition on tailstock gliding mass, tailstock gliding mass locking cylinder
It stretches out, wherein lower piston rod is fixedly linked with pressing plate, and reseting pressuring spring is equipped on upper piston rod.
Moveable barrel of tail stock is installed in tailstock body, front end i.e. right end shown in fig. 6 in barrel of tail stock
Inner hole in, be fixedly installed with the rotatable mandrel with taper hole, be provided in barrel of tail stock rear end i.e. left end shown in FIG. 1
The driving device that barrel of tail stock can be driven to move linearly.
Above-mentioned driving device is drive cylinder, and the cylinder body of the drive cylinder is made of barrel of tail stock inner hole, in tailstock set
It is provided with partition in the middle part of cylinder inner hole, barrel of tail stock inner hole is divided into the cavity of two opposing seals of left and right, on a barrel of tail stock left side
End i.e. tail portion are provided with sealing flange, and piston I is mounted in the barrel of tail stock inner hole between partition and sealing flange, with
End cap is installed, piston rod stretches out sealing flange and end cap and is fixed on the outside of end cap on the corresponding tailstock body of barrel of tail stock tail end
Adjustment plate be fixedly linked, adjustment bolt is installed in adjustment plate.
Locking device for sleeve is provided on tailstock body, locking device for sleeve is the sleeve locking oil being arranged on tailstock body
Cylinder, in setting in sleeve locking cylinder, there are two opposite pistons II and the pressure spring group being mounted between II opposing end surface of piston
At, be provided on the periphery of II opposite end of two-piston with barrel of tail stock outer circle match arc surface.
Tailstock gliding mass positioning device is provided between pedestal and tailstock gliding mass, which determined by what is be set on the base
Position cylinder oil and the locating piece being arranged on tailstock gliding mass composition, the piston rod upper end in positional cylinder, which is provided with, coniform determines
Position pin, is provided with the locating slot to match with positioning pin on locating piece；Above-mentioned tailstock gliding mass positioning device has 2 sets, symmetrically sets
It sets in guide rail two sides.
When processing, pedestal is moved to lowermost position and is set, be convenient for workpiece loading and unloading, at the same according to Workpiece length and processing length and
Clamping length rotates adjustment bolt, adjusts left-right position of the piston I in barrel of tail stock inner hole, so that it may adjust barrel of tail stock
Move left and right distance.
When the first sequence of workpiece after processing is completed, be fixed on piston rod I in the oil cylinder on pedestal and stretch out and drive tailstock gliding mass
And tailstock body moves up, in place after, the oil pocket oil inlet in III left side of piston in two sets of tailstock gliding mass positioning devices, push piston III to
It moves right, is provided on piston rod right end in the locating slot on coniform positioning pin insertion locating piece, tailstock gliding mass is accurate
It is located on pedestal, then the cavity oil inlet of the piston underside in tailstock gliding mass locking cylinder, pushes piston to move up, pass through
Lower piston rod band dynamic pressure plate is upward, tailstock gliding mass and guide rail is compressed, locking；Then the driving of barrel of tail stock linear movement is driven
Oil inlet between partition in oil cylinder and piston I, since piston I is fixed, barrel of tail stock moves right under the drive of partition, band
The dynamic top workpiece left end that withstands on being mounted in mandrel taper hole positions workpiece, the then oil inlet of control sleeve locking device
Valve is opened, and pressure oil is delivered to two distal ends of two-piston II by oil inlet, is relatively close to two-piston II, outside two-piston II
The arc surface and barrel of tail stock outer circle to match on disc with barrel of tail stock outer circle compresses, can be to work after barrel of tail stock is locked
The periphery at part both ends is processed.
After process finishing, to the pressure oil pressure release in locking device for sleeve, work of the two-piston II in its opposing end surface pressure spring
It is moved up and down under, the lock release to barrel of tail stock；Then oil inlet in the cavity formed to sealing flange and piston I, close
It seals barrel of tail stock under the drive of flange to be moved to the left, makes top disengaging workpiece；Then the piston III in tailstock gliding mass positioning device
Right side oil inlet pushes piston III to be moved to the left, and positioning pin is driven to be detached from locating slot；Then the pressure oil in tailstock locking device is let out
Pressure, for piston under the action of reseting pressuring spring, moving down makes pressing plate leave guide rail；Then piston rod I moves down, and drives tailstock
Gliding mass and tailstock body are displaced downwardly to lowermost position and postpone, and just complete the process of a work pieces process, workpiece is by the master in main spindle box
Axis hole moves right to loading position.
Claims (10)
1. a kind of specialized nc machine tool of processing cart axial workpiece, including lathe bed, the main spindle box being mounted on lathe bed, secondary main shaft
Case, right tailstock, left tailstock, You Daotai, left knife platform and Electrical Control of Machinery Tools device, it is characterised in that main spindle box (4) and left
Left side axial length measurement device (3) is provided on lathe bed (5) between tailstock (1), in counter spindle box (6) and right tailstock (8)
Between lathe bed on be provided with right side axial length measurement device (7)；It is fixed in hole main shaft (4-2) in main spindle box (4)
Retainer cylinder (4-3) is installed, multi-directional ball (4-4) is fixed on the inner wall of retainer cylinder；Above-mentioned left tailstock (9) is by tailstock body
(9-1), tailstock gliding mass (9-2) and pedestal (9-3) composition, tailstock body are fixedly mounted on tailstock gliding mass, and tailstock gliding mass is mounted on
In a pair of guide rails (9-4) on pedestal, tailstock gliding mass locking device (9-5) and tailstock are provided between tailstock gliding mass and pedestal
Gliding mass positioning device (9-9) is equipped with oil cylinder (9-10) between pedestal and tailstock gliding mass, and wherein cylinder block is fixed on pedestal
On, piston rod is connected with tailstock gliding mass；Moveable barrel of tail stock (9-1-1) is installed in tailstock body, before barrel of tail stock
The rotatable mandrel (9-1-2) with taper hole is fixedly installed in the inner hole at end, tailstock can be driven by being provided in barrel of tail stock rear end
The driving device of sleeve linear movement.
2. the specialized nc machine tool of processing cart axial workpiece according to claim 1, it is characterised in that above-mentioned retainer cylinder
The section of the inner hole of (4-3) is the square with excessive fillet, and multi-directional ball (4-4) is every along the square inner hole of retainer cylinder (4-3)
The length direction on a side is uniformly distributed.
3. the specialized nc machine tool of processing cart axial workpiece according to claim 2, it is characterised in that above-mentioned tailstock lock
Tight device (9-5) is sliding by the tailstock for being located at the pressing plate (9-6) of the lower end surface guide rail (9-4) and being fixed on tailstock gliding mass (9-2)
Body locking cylinder composition, tailstock gliding mass locking cylinder upper and lower ends have piston rod stretching, wherein lower piston rod (9-5-1) and pressure
Plate is fixedly linked, and reseting pressuring spring (9-5-3) is equipped on upper piston rod.
4. the specialized nc machine tool of processing cart axial workpiece according to claim 3, it is characterised in that above-mentioned sleeve lock
Tight device (9-8) is the sleeve locking cylinder being arranged on tailstock body (9-1), and there are two opposite for setting in sleeve locking cylinder
Piston (9-8-3) and the pressure spring (9-8-4) that is mounted between piston opposing end surface, be arranged on the periphery of two-piston opposite end
There is the arc surface to match with barrel of tail stock (9-1-1) outer circle.
5. the specialized nc machine tool of processing cart axial workpiece according to claim 4, it is characterised in that above-mentioned drive tail
The driving device (9-7) of cover for seat cylinder (9-1-1) linear movement is drive cylinder, and the cylinder body of the drive cylinder is by barrel of tail stock
Hole composition, partition (9-7-5) is provided in the middle part of barrel of tail stock inner hole, barrel of tail stock tail portion is provided with sealing flange (9-
7-8), piston I (9-7-6) is mounted in the barrel of tail stock inner hole between partition and sealing flange, with barrel of tail stock tail end pair
It is equipped with end cap (9-7-2) on the tailstock body (9-1) answered, piston rod stretches out sealing flange and end cap, and is fixed on the outside of end cap
Adjustment plate (9-7-1) be fixedly linked, adjustment bolt (9-7-10) is installed in adjustment plate.
6. the specialized nc machine tool of processing cart axial workpiece according to claim 5, it is characterised in that above-mentioned tailstock is sliding
Body positioning device (9-9) is symmetrically arranged in the two sides guide rail (9-4), is by the positional cylinder oil that is arranged on pedestal (9-3) and to set
Locating piece (9-9-5) composition on tailstock gliding mass (9-2) is set, upper end piston rod I (9-9-2) in positional cylinder is provided with
Coniform positioning pin (9-9-4) is provided with the locating slot to match with positioning pin on locating piece.
7. according to the specialized nc machine tool of processing cart axial workpiece described in above-mentioned any one claim, it is characterised in that
Above-mentioned left side axial length measurement device (3) is left bottom plate (3-6) by being fixedly linked with lathe bed (5) and is mounted on left bottom plate
Driving mechanism and measuring device composition, two parallel guide rails (3-5) are fixed on left bottom plate, fixed plate (3-4) is mounted on
On guide rail, cylinder body, the bracket (3-15) for releasing cylinder (3-1) are each attached in fixed plate, and the piston rod released in cylinder is fixed
On side plate (3-7), side plate is fixed on bottom plate side；It is fixed with support plate (3-10) in dead plate upper end side, in support plate
On be equipped with support base (3-14), connecting shaft (3-2) is fixed on the supporting plate by support base；One end of connecting plate (3-12) is solid
Surely have left air measuring device (3-13), the other end of connecting plate and one end of connecting shaft are fixedly linked, the other end of connecting shaft
It is fixedly linked with the one end swing arm (3-9), swing arm other end and the piston rod in oscillating cylinder are hinged, the cylinder body and branch of oscillating cylinder
The swingable connection of frame.
8. the specialized nc machine tool of processing cart axial workpiece according to claim 7, it is characterised in that above-mentioned guide rail (3-5)
For linear guide, the slide (3-8) to match with linear guide is fixed on fixed plate (3-4).
9. the specialized nc machine tool of processing cart axial workpiece according to claim 8, it is characterised in that above-mentioned right side is axial
Length-measuring appliance (7) is right bottom plate (7-10) by being connected with lathe bed (5) and is mounted on driving device and measurement on right bottom plate
Device composition is fixedly installed with a pair of guide rail I (7-9) disposed in parallel on right bottom plate, is equipped with side plate I in right bottom plate side
(7-8), " L " type bracket (7-7) are mounted on guide rail, and the cylinder body released in cylinder I (7-5) is fixed on " L " type bracket, are released
Piston rod in cylinder I is fixed on side plate, and oscillating cylinder (7-4) is hinged on " L " type bracket；Pendulum on " L " type bracket
Cylinder side of taking offence is fixed with fixed plate (7-3), and the lower end of two connecting rods is hinged in fixed plate I, and the upper end of two connecting rods is hinged
It is hinged in the middle part of the connecting rod in piston rod and above-mentioned two connecting rod (7-1) in oscillating cylinder on connecting plate I (7-12),
Right air measuring device (7-13) is installed on connecting plate.
10. the specialized nc machine tool of processing cart axial workpiece according to claim 8, it is characterised in that above-mentioned two connecting rod
The both ends (7-1) are hingedly made of the fixing seat being installed vertically in fixed plate (7-3) and connecting plate I (7-12), in fixation
Pin shaft is provided on seat, the both ends connecting rod (7-1) are provided with the hole to match with pin shaft；Above-mentioned guide rail I (7-9) is linear guide, and straight
The slide I (7-11) that line guide rail matches is fixed on " L " type bracket (7-7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910509301.XA CN110076351A (en) | 2019-06-13 | 2019-06-13 | The specialized nc machine tool of processing cart axial workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509301.XA CN110076351A (en) | 2019-06-13 | 2019-06-13 | The specialized nc machine tool of processing cart axial workpiece |
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| CN110076351A true CN110076351A (en) | 2019-08-02 |
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| CN201910509301.XA Pending CN110076351A (en) | 2019-06-13 | 2019-06-13 | The specialized nc machine tool of processing cart axial workpiece |
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| CN114012116A (en) * | 2021-12-13 | 2022-02-08 | 宁夏长兴精密机械有限公司 | Double-end-face specialized numerical control lathe with full-automatic feeding mechanism |
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