CN204584740U - A kind of numerical control flat-turning disc mechanism - Google Patents
A kind of numerical control flat-turning disc mechanism Download PDFInfo
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- CN204584740U CN204584740U CN201520057079.1U CN201520057079U CN204584740U CN 204584740 U CN204584740 U CN 204584740U CN 201520057079 U CN201520057079 U CN 201520057079U CN 204584740 U CN204584740 U CN 204584740U
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- slide plate
- tooth bar
- facing head
- head casing
- draw
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Abstract
The utility model discloses a kind of numerical control flat-turning disc mechanism, comprise facing head casing and slide plate, the rear end face of facing head casing is provided with slideway, slide plate is arranged in slideway, slide plate is provided with tool rest, tool rest is used for fixed cutting tool, cutter can with slide plate along slideway moving linearly, realize the motion of U Axial and radial, facing head casing is fixed on one end of milling spindle, the inner side of milling spindle is provided with W axle, the inner side of W axle is fixedly connected with blind rivet, blind rivet is threaded with taper shank, one end of taper shank is connected with power converting unit, power converting unit is connected with slide plate, power converting unit is used for the rectilinear motion rectilinear motion of W axle being converted to slide plate, i.e. U Axial and radial motion.The utility model does not need motor to drive, and simple and compact for structure, driving-chain is short, and transmit stroke large, cost is low, can realize the Compound Machining function that W axle links with U axle, thus the Compound Machining of realization to complex parts, and guarantee the machining accuracy of lathe.
Description
Technical field
The utility model relates to Digit Control Machine Tool function accessories, and specifically one does not need motor-driven numerical control flat-turning disc mechanism.
Background technology
What require product quality along with client improves constantly, and product design is tending towards variation, precise treatment gradually, the original X, Y, Z axis of lathe is made to coordinate the processing mode of main shaft to be difficult to meet the requirement of modern processing, it is multi-shaft interlocked that lathe also needs to increase B, U, W axle etc., to realize Compound Machining.Facing head, as a kind of important lathe function annex, has U s function.
Facing head is divided into mechanical type facing head and numerical facing head two kinds, but can only move radially by single shaft man-hour adding due to mechanical type facing head, can not link with other axles, thus progressively replace by numerical facing head.And existing numerical facing head mostly adopts servomotor, planet wheel differential mechanism and ball-screw etc. to realize the motion of U axle, exist complex structure, transmission chain length and accumulative gap large, transmit little, the expensive and not problem such as easy care of stroke.
Summary of the invention
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, provides a kind of numerical control flat-turning disc mechanism, and this facing head mechanism structure is simple, compact; do not need motor to drive, driving-chain is short, transmits stroke large; cost is low, can guarantee the machining accuracy of lathe.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of numerical control flat-turning disc mechanism, comprise facing head casing and slide plate, the rear end face of described facing head casing is provided with slideway, described slide plate is arranged in described slideway, described slide plate is provided with the first T-slot for installing tool rest, described tool rest is used for fixed cutting tool, described cutter can with described slide plate along described slideway moving linearly, realize the motion of U Axial and radial, described facing head casing is fixed on one end of milling spindle, the inner side of described milling spindle is provided with W axle, the inner side of described W axle is fixedly connected with blind rivet, described blind rivet is threaded with taper shank, one end of described taper shank is connected with power converting unit, described power converting unit is connected with described slide plate, described power converting unit is used for the rectilinear motion rectilinear motion of described W axle being converted to slide plate, i.e. U Axial and radial motion.When milling spindle rotary motion, facing head casing can be driven to rotate, realize power supply to facing head, the rotary motion (i.e. the rotary motion of milling spindle) of facing head casing, the feed motion of W axle and the radial motion of U axle, three cooperatively interacts the Compound Machining of realization to complex parts.
Described power converting unit comprises axis, T-shaped tooth bar, gear shaft, gear wheel, first L-type tooth bar and the second L-type tooth bar, one end of described axis is fixedly connected on one end of described taper shank, the other end of described axis is provided with the first cover plate, the radial direction of described axis is fixedly connected with described T-shaped tooth bar, described gear shaft is arranged on described facing head casing, described gear shaft is provided with pinion, described pinion is meshed with described T-shaped tooth bar, the rear end of described facing head casing is provided with the first gathering sill, described axis is arranged in the first described gathering sill together with described T-shaped tooth bar, the first described cover plate is arranged on the outside of the first described gathering sill, one end of described gear shaft is by the first spacer, clutch shaft bearing, top cover, first gland and circlip supporting and fixing, the middle part of described gear shaft is connected with described gear wheel by flat key, the other end of described gear shaft is by the second spacer, second bearing and the second gland supporting and fixing, the other end of described gear shaft is provided with inner hexagonal hole, the first described L-type tooth bar and parallel arranged identical with the profile of tooth of the second described L-type tooth bar, described gear wheel is meshed with the first described L-type tooth bar and the second described L-type tooth bar simultaneously, the first described L-type tooth bar and the second described L-type tooth bar are arranged on described slide plate, when W axle straight-line feed moves, drive blind rivet, taper shank moves together with axis, and then drive T-shaped tooth bar along the first gathering sill moving linearly, its rectilinear motion is converted to the rotary motion of pinion and gear shaft by T-shaped tooth bar again, the gyration of gear wheel is converted to the rectilinear motion of the first L-type tooth bar and the second L-type tooth bar by gear shaft again, first L-type tooth bar and the second L-type rack drives slide plate moving linearly, the rectilinear motion of W axle is realized to be converted to the rectilinear motion of slide plate along slideway.The other end of gear shaft is provided with inner hexagonal hole, and the convenient mesh volume regulating gear wheel and the first L-type tooth bar and the second L-type tooth bar, improves transmitting accuracy; First L-type tooth bar and parallel arranged identical with the profile of tooth of the second L-type tooth bar, when with gear wheel engaged transmission, can reach the object eliminating backlass, to improve the precision of parts profile processing; The rectilinear motion of the first gathering sill to axis and T-shaped tooth bar play the guiding role, and improves the precision of W axle feeding, has anti-bits function simultaneously, prevent the impurity such as iron filings from falling in the first gathering sill and axis at the first cover plate of the arranged outside of the first gathering sill.
The modulus Mn of described pinion
1=3, tooth number Z
1=15, tooth pitch P
1=п Mn
1; The modulus Mn of described gear wheel
2=3, tooth number Z
2=30, tooth pitch P
2=п Mn
2by coordinating of described pinion and described T-shaped tooth bar and coordinating of described gear wheel and the first described L-type tooth bar and the second described L-type tooth bar, be converted to described slide plate after the feeding distance of described W axle is amplified 2 times and move radially distance along U axle, realize the multiplication of transmitting stroke.Modulus Mn
1=3, tooth number Z
1=15, tooth pitch P
1=п Mn
1pinion engage with T-shaped tooth bar, the air line distance Lt(of T-shaped tooth bar movement and W axle feeding distance) convert the rotating cycle N of gear shaft to
1, i.e. Lt=N
1z
1p
1=45 п N
1; Modulus Mn
2=3, tooth number Z
2=30, tooth pitch P
2=п Mn
2gear wheel simultaneously with the first L-type tooth bar and the second L-type tooth bar, by the number of turns N that gear wheel rotates
2convert the rectilinear movement distance of the first L-type tooth bar and the second L-type tooth bar to, i.e. the displacement Lu of slide plate, the displacement of slide plate is also U axle displacement simultaneously, Lu=N
2z
2p
2=90 п N
2, turn around because gear shaft often revolves, also revolve with its fixing gear wheel and turn around, therefore N
1=N
2, Lu/Lt=90 п N
2/ 45 п N
1=2, Lu=2 Lt, namely this facing head converts the displacement of U axle again to after the feeding distance of W axle can being amplified 2 times, makes transmission travel multiplier.
The front of described slide plate has been connected by screw adjustment block, one end of described adjustment block is provided with the first inclined-plane, one end of the second described L-type tooth bar is provided with the second inclined-plane matched with the first described inclined-plane, and described adjustment block abuts in the end of the second described L-type tooth bar; The second described L-type tooth bar is arranged on the inner side of the first described L-type tooth bar, the threaded upper ends of described slide plate is connected with slide plate plug, the end of described slide plate plug is just to the first described L-type tooth bar, the end of the first described L-type tooth bar has been connected by screw contiguous block, be provided with disk spring between described slide plate plug and described contiguous block, the outside of described adjustment block and described slide plate plug is provided with the second cover plate.Rotate and regulate the screw be connected in adjustment block or the screw be connected on contiguous block, corresponding adjustment can be carried out to the mesh volume of gear wheel or the mesh volume of the first L-type tooth bar and gear wheel to the second L-type tooth bar, reach the effect better eliminating backlass, part processing precision is provided.
On described facing head casing with its central shaft for benchmark is evenly equipped with four screw holes, described facing head casing is fixedly connected with described milling spindle one end face by four screws be arranged in four described screw holes, the rear end face of described facing head casing is provided with two symmetrical location sunk keies, described location sunk key coordinates with two locating slots be arranged on described milling spindle end face locates.Screw connection is located with key and is played dual fixation, and improve positioning precision, when main shaft rotates, facing head casing is driven immediately and rotates, and delay time error is little.
One end of described axis is wholely set the boss of a notch cuttype, described boss is fixed on one end of described taper shank by the 3rd gland, and the centre bore passing through the other end of the 3rd described gland and described taper shank is felt relieved, the first pad is provided with between described boss and described taper shank, the external cylindrical surface of described axis is provided with second T-slot suitable with the profile of described T-shaped tooth bar, the second described T-slot coordinates with described T-shaped tooth bar locates, described T-shaped tooth bar is fixedly connected on by screw in the radial direction of described axis, the second pad is provided with between described T-shaped tooth bar and described axis.First pad can increase the bonding strength between axis and taper shank; Second pad, for adjusting the backlash between T-shaped tooth bar and the second T-slot, improves the accuracy of mesh of T-shaped tooth bar, the setting of the second pad, and structure is simple, is convenient to dismounting and maintenance.
The rear end face of described facing head casing is provided with front pressing plate and side filler rod, the side of described slide plate is by described side filler rod clamping and positioning, rear end face and the described side filler rod of described front pressing plate, described facing head casing surround described slideway, and the surface of described slide plate is in advance through laminating process; The two ends up and down of described facing head casing are provided with corresponding to described sledge displacement multiplely scrapes bits plate.The side of slide plate is by side filler rod clamping and positioning, and structure is more reliable and more stable; The vibration that Tool in Cutting is brought, in advance after laminating process, effectively can be reduced in the surface of slide plate, ensures cutting precision, adds grease lubrication, can reduce the sliding friction between slide plate and facing head casing further, improves the service life of facing head; Scrape the impurity such as the iron filings brought when bits plate can remove slide plate moving linearly, cleaning action is played to facing head.
Slide plate position-limit mechanism is provided with, the stroke that described slide plate position-limit mechanism moves along U Axial and radial for limiting described slide plate between described slide plate and described facing head casing.Slide plate position-limit mechanism effectively can prevent the generation of overtravel situation, avoids the shock because overtravel causes and causes facing head to damage.
Described slide plate position-limit mechanism comprises the alignment pin be arranged on described facing head casing, described alignment pin has been connected by screw plug, between described alignment pin and described plug, Compress Spring is installed, the end face of the other end of described alignment pin and the contacts side surfaces of described slide plate, one side of described slide plate is vertically disposed with the first parallel draw-in groove and the second draw-in groove, the first described draw-in groove and the second described draw-in groove are arranged along the thickness direction of described slide plate, described alignment pin is arranged perpendicular to the thickness direction of described slide plate, the shape of the cross section of the first described draw-in groove and the second described draw-in groove is unequal-sided trapezoidal, the length of the top of the cross section of the first described draw-in groove is less than its following length, the length of the top of the cross section of the second described draw-in groove is greater than its following length, the shape of the vertical sectional shape of the end of described alignment pin and the cross section of the first described draw-in groove is suitable, the end of alignment pin can snap in the first draw-in groove or the second draw-in groove, thus the stroke that restriction slide plate moves along U Axial and radial.First draw-in groove is the initial position of slide plate radial motion, alignment pin because Compress Spring machinery flicks as in the first draw-in groove time, length due to the top of the cross section of the first draw-in groove is less than its following length, and under the drive of slide plate, alignment pin can skid off in the first draw-in groove; When slide plate moves upward, slide plate is exerted pressure to alignment pin, Compress Spring is compressed, until when alignment pin moves to the position relative with the second draw-in groove, Compress Spring, because machinery does not flick by external force, makes alignment pin withstand slide plate, length due to the top of the cross section of the second draw-in groove is greater than its following length, alignment pin cannot be broken away from the second draw-in groove and skid off, and therefore slide plate is limited, and this position is the maximum travel position of slide plate radial motion.
The rear end of described facing head casing is connected and installed with jacking block by holding out against screw, 3rd Compress Spring is installed between described jacking block and described facing head casing, the outer end of described jacking block is located by guide finger, described jacking block offers the second gathering sill, described guide finger stretches in the second described gathering sill through the tank wall of described facing head casing, described jacking block can move along described guide finger, the sidewall of described jacking block offers the 3rd draw-in groove, one sidewall inlay card of described slide plate is in the 3rd described draw-in groove, by tightening the radial stroke holding out against screw fixed glides, realize the size part processing of facing head.
Compared with prior art, the utility model has the advantage of: numerical control flat-turning disc mechanism disclosed in the utility model, its facing head casing is fixed on one end of milling spindle, the inner side of milling spindle is provided with W axle, the inner side of W axle is fixedly connected with blind rivet, blind rivet is threaded with taper shank, one end of taper shank is connected with power converting unit, power converting unit is connected with slide plate, power converting unit is used for the rectilinear motion rectilinear motion of W axle being converted to slide plate, i.e. U Axial and radial motion, when milling spindle rotary motion, facing head casing can be driven to rotate, realize the power supply to facing head, the rotary motion (i.e. the rotary motion of milling spindle) of facing head casing, the feed motion of W axle and the radial motion of U axle, three cooperatively interacts and realizes Compound Machining to complex parts.The utility model numerical control flat-turning disc mechanism does not need motor to drive, and simple and compact for structure, driving-chain is short; transmission stroke is large, and cost is low, can realize the Compound Machining function that W axle and U axle link; thus the Compound Machining realized complex parts, and guarantee the machining accuracy of lathe.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment numerical control flat-turning disc mechanism;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B-B sectional view in Fig. 1;
Fig. 4 is C-C sectional view in Fig. 1;
Fig. 5 is D-D sectional view in Fig. 1;
Fig. 6 is the rearview of embodiment middle slide plate;
Fig. 7 is E-E sectional view in Fig. 6;
Fig. 8 is F-F sectional view in Fig. 6;
Fig. 9 is G-G sectional view in Fig. 6.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Numerical control flat-turning disc mechanism as shown in the figure, comprise facing head casing 1 with surface in advance through the slide plate 2 of laminating process, the rear end face of facing head casing 1 is provided with slideway 12, front pressing plate 13 and side filler rod 14, slide plate 2 is arranged in slideway 12, the side of slide plate 2 is by side filler rod 14 clamping and positioning, and slideway 12 is surrounded by the rear end face of front pressing plate 13, facing head casing 1 and side filler rod 14, the two ends up and down of facing head casing 1 are provided with multiple scrape corresponding to slide plate 2 position and consider plate 15 to be worth doing, slide plate 2 is provided with the first T-slot 16 for installing tool rest (not shown), tool rest is used for fixed cutting tool (not shown), and cutter with slide plate 2 along slideway 12 moving linearly, can realize the motion of U Axial and radial, on facing head casing 1 with its central shaft for benchmark is evenly equipped with four screw holes, facing head casing 1 is fixedly connected with milling spindle 3 one end face by four screws 17 be arranged in four screw holes, the rear end face of facing head casing 1 is provided with two symmetrical location sunk keies 18, location sunk key 18 coordinates with two locating slots 31 be arranged on milling spindle 3 end face locates, thus facing head casing 1 is fixed on one end of milling spindle 3, the inner side of milling spindle 3 is provided with W axle 4, the inner side of W axle 4 is fixedly connected with blind rivet 41, blind rivet 41 is threaded with taper shank 42, one end of taper shank 42 is connected with power converting unit, power converting unit is connected with slide plate 2, power converting unit is used for the rectilinear motion rectilinear motion of W axle 4 being converted to slide plate 2, i.e. U Axial and radial motion.
Power converting unit comprises axis 51, T-shaped tooth bar 52, gear shaft 53, gear wheel 54, first L-type tooth bar 55 and the second L-type tooth bar 56, one end of axis 51 is wholely set the boss 511 of a notch cuttype, boss 511 is fixed on one end of taper shank 42 by the 3rd gland 512, and felt relieved with the centre bore of the other end of taper shank 42 by the 3rd gland 512, the first pad 43 is provided with between boss 511 and taper shank 42, the external cylindrical surface of axis 51 is provided with second T-slot 513 suitable with the profile of T-shaped tooth bar 52, second T-slot 513 coordinates with T-shaped tooth bar 52 locates, T-shaped tooth bar 52 is fixedly connected on by screw in the radial direction of axis 51, the second pad 521 is provided with between T-shaped tooth bar 52 and axis 51, the other end of axis 51 is provided with the first cover plate 514, the radial direction of axis 51 is fixedly connected with T-shaped tooth bar 52, gear shaft 53 is arranged on facing head casing 1, gear shaft 53 is provided with pinion 57, pinion 57 is meshed with T-shaped tooth bar 52, the rear end of facing head casing 1 is provided with the first gathering sill 11, axis 51 is arranged in the first gathering sill 11 together with T-shaped tooth bar 52, first cover plate 514 is arranged on the outside of the first gathering sill 11, one end of gear shaft 53 is by the first spacer 531, first taper roll bearing 532, top cover 533, first gland 534 and the supporting and fixing of circlip (not shown), the middle part of gear shaft 53 is connected with gear wheel 54 by flat key, the other end of gear shaft 53 is by the second spacer 535, second taper roll bearing 536 and the second gland 537 supporting and fixing, the other end of gear shaft 53 is provided with inner hexagonal hole 538, first L-type tooth bar 55 and parallel arranged identical with the profile of tooth of the second L-type tooth bar 56, first L-type tooth bar 55 is fixedly connected with by block 58 with one end of the second L-type tooth bar 56, second L-type tooth bar 56 is arranged on the inner side of the first L-type tooth bar 55, gear wheel 54 is meshed with the first L-type tooth bar 55 and the second L-type tooth bar 56 simultaneously, and the first L-type tooth bar 55 and the second L-type tooth bar 56 engage with the upper and lower end face of gear wheel 54 gear teeth respectively, to reach elimination backlass, improve the effect of part processing precision, first L-type tooth bar 55 and the second L-type tooth bar 56 are arranged on slide plate 2, when W axle 4 straight-line feed moves, drive blind rivet 41, taper shank 42 moves together with axis 51, and then drive T-shaped tooth bar 52 along the first gathering sill 11 moving linearly, its rectilinear motion is converted to the rotary motion of pinion 57 and gear shaft 53 by T-shaped tooth bar 52 again, the gyration of gear wheel 54 is converted to the rectilinear motion of the first L-type tooth bar 55 and the second L-type tooth bar 56 by gear shaft 53 again, first L-type tooth bar 55 and the second L-type tooth bar 56 drive slide plate 2 moving linearly, the rectilinear motion of W axle 4 is realized to be converted to the rectilinear motion of slide plate 2 along slideway 12.
The front of slide plate 2 has been connected by screw adjustment block 21, and one end that one end of adjustment block 21 is provided with the first inclined-plane 211, second L-type tooth bar 56 is provided with the second inclined-plane 561 matched with the first inclined-plane 211, and adjustment block 21 abuts in the end of the second L-type tooth bar 56; The threaded upper ends of slide plate 2 is connected with slide plate plug 22, the end of slide plate plug 22 is just to the first L-type tooth bar 55, the end of the first L-type tooth bar 55 has been connected by screw contiguous block 23, be provided with disk spring 24 between slide plate plug 22 and contiguous block 23, adjustment block 21 is provided with the second cover plate 25 with the outside of slide plate plug 22.
Slide plate position-limit mechanism is provided with, the stroke that slide plate position-limit mechanism moves along U Axial and radial for limiting slide plate 2 between slide plate 2 and facing head casing 1.Slide plate position-limit mechanism comprises the alignment pin 61 be arranged on facing head casing 1, and alignment pin 61 has been connected by screw plug 62, is provided with Compress Spring 63 between alignment pin 61 and plug 62, the end face of the other end of alignment pin 61 and the contacts side surfaces of slide plate 2, one side of slide plate 2 is vertically disposed with the first parallel draw-in groove 26 and the second draw-in groove 27, first draw-in groove 26 and the second draw-in groove 27 are arranged along the thickness direction of slide plate 2, alignment pin 61 is arranged perpendicular to the thickness direction of slide plate 2, the shape of the cross section of the first draw-in groove 26 and the second draw-in groove 27 is unequal-sided trapezoidal, the length of the top 261 of the cross section of the first draw-in groove 26 is less than its length of following 262, the length of the top 271 of the cross section of the second draw-in groove 27 is greater than its length of following 272, the shape of the vertical sectional shape of the end of alignment pin 61 and the cross section of the first draw-in groove 26 is suitable, the end of alignment pin 61 can snap in the first draw-in groove 26 or the second draw-in groove 27, thus the stroke that restriction slide plate 2 moves along U Axial and radial.
The rear end of facing head casing 1 is connected and installed with jacking block 7 by holding out against screw 71, 3rd Compress Spring 72 is installed between jacking block 7 and facing head casing 1, the outer end of jacking block 7 is located by guide finger 73, jacking block 7 offers the second gathering sill 74, guide finger 73 stretches in the second gathering sill 74 through the tank wall of facing head casing 1, jacking block 7 can move along guide finger 73, the sidewall of jacking block 7 offers the 3rd draw-in groove 75, one sidewall inlay card of slide plate 2 is in the 3rd draw-in groove 75, by tightening the radial stroke holding out against screw 71 fixed glides 2, realize the size part processing of facing head.
In above-described embodiment, modulus Mn can be selected
1=3, tooth number Z
1=15, tooth pitch P
1=п Mn
1pinion 57 and Mn
2=3, tooth number Z
2=30, tooth pitch P
2=п Mn
2gear wheel 54, by coordinating of pinion 57 and T-shaped tooth bar 52 and coordinating of gear wheel 54 and the first L-type tooth bar 55 and the second L-type tooth bar 56, be converted to slide plate 2 after the feeding distance of W axle 4 is amplified 2 times and move radially distance along U axle, realize the multiplication of transmitting stroke.
Claims (10)
1. a numerical control flat-turning disc mechanism, comprise facing head casing and slide plate, the rear end face of described facing head casing is provided with slideway, described slide plate is arranged in described slideway, described slide plate is provided with the first T-slot for installing tool rest, described tool rest is used for fixed cutting tool, described cutter can with described slide plate along described slideway moving linearly, realize the motion of U Axial and radial, described facing head casing is fixed on one end of milling spindle, the inner side of described milling spindle is provided with W axle, the inner side of described W axle is fixedly connected with blind rivet, described blind rivet is threaded with taper shank, it is characterized in that: one end of described taper shank is connected with power converting unit, described power converting unit is connected with described slide plate, described power converting unit is used for the rectilinear motion rectilinear motion of described W axle being converted to slide plate, i.e. U Axial and radial motion.
2. a kind of numerical control flat-turning disc mechanism according to claim 1, it is characterized in that: described power converting unit comprises axis, T-shaped tooth bar, gear shaft, gear wheel, first L-type tooth bar and the second L-type tooth bar, one end of described axis is fixedly connected on one end of described taper shank, the other end of described axis is provided with the first cover plate, the radial direction of described axis is fixedly connected with described T-shaped tooth bar, described gear shaft is arranged on described facing head casing, described gear shaft is provided with pinion, described pinion is meshed with described T-shaped tooth bar, the rear end of described facing head casing is provided with the first gathering sill, described axis is arranged in the first described gathering sill together with described T-shaped tooth bar, the first described cover plate is arranged on the outside of the first described gathering sill, one end of described gear shaft is by the first spacer, clutch shaft bearing, top cover, first gland and circlip supporting and fixing, the middle part of described gear shaft is connected with described gear wheel by flat key, the other end of described gear shaft is by the second spacer, second bearing and the second gland supporting and fixing, the other end of described gear shaft is provided with inner hexagonal hole, the first described L-type tooth bar and parallel arranged identical with the profile of tooth of the second described L-type tooth bar, described gear wheel is meshed with the first described L-type tooth bar and the second described L-type tooth bar simultaneously, the first described L-type tooth bar and the second described L-type tooth bar are arranged on described slide plate, when W axle straight-line feed moves, drive blind rivet, taper shank moves together with axis, and then drive T-shaped tooth bar along the first gathering sill moving linearly, its rectilinear motion is converted to the rotary motion of pinion and gear shaft by T-shaped tooth bar again, the gyration of gear wheel is converted to the rectilinear motion of the first L-type tooth bar and the second L-type tooth bar by gear shaft again, first L-type tooth bar and the second L-type rack drives slide plate moving linearly, the rectilinear motion of W axle is realized to be converted to the rectilinear motion of slide plate along slideway.
3. a kind of numerical control flat-turning disc mechanism according to claim 2, is characterized in that: the modulus Mn of described pinion
1=3, tooth number Z
1=15, tooth pitch P
1=п Mn
1; The modulus Mn of described gear wheel
2=3, tooth number Z
2=30, tooth pitch P
2=п Mn
2by coordinating of described pinion and described T-shaped tooth bar and coordinating of described gear wheel and the first described L-type tooth bar and the second described L-type tooth bar, be converted to described slide plate after the feeding distance of described W axle is amplified 2 times and move radially distance along U axle, realize the multiplication of transmitting stroke.
4. a kind of numerical control flat-turning disc mechanism according to claim 2, it is characterized in that: the front of described slide plate has been connected by screw adjustment block, one end of described adjustment block is provided with the first inclined-plane, one end of the second described L-type tooth bar is provided with the second inclined-plane matched with the first described inclined-plane, and described adjustment block abuts in the end of the second described L-type tooth bar; The second described L-type tooth bar is arranged on the inner side of the first described L-type tooth bar, the threaded upper ends of described slide plate is connected with slide plate plug, the end of described slide plate plug is just to the first described L-type tooth bar, the end of the first described L-type tooth bar has been connected by screw contiguous block, be provided with disk spring between described slide plate plug and described contiguous block, the outside of described adjustment block and described slide plate plug is provided with the second cover plate.
5. a kind of numerical control flat-turning disc mechanism according to any one of claim 1-4, it is characterized in that: on described facing head casing with its central shaft for benchmark is evenly equipped with four screw holes, described facing head casing is fixedly connected with described milling spindle one end face by four screws be arranged in four described screw holes, the rear end face of described facing head casing is provided with two symmetrical location sunk keies, described location sunk key coordinates with two locating slots be arranged on described milling spindle end face locates.
6. a kind of numerical control flat-turning disc mechanism according to any one of claim 2-4, it is characterized in that: one end of described axis is wholely set the boss of a notch cuttype, described boss is fixed on one end of described taper shank by the 3rd gland, and the centre bore passing through the other end of the 3rd described gland and described taper shank is felt relieved, the first pad is provided with between described boss and described taper shank, the external cylindrical surface of described axis is provided with second T-slot suitable with the profile of described T-shaped tooth bar, the second described T-slot coordinates with described T-shaped tooth bar locates, described T-shaped tooth bar is fixedly connected on by screw in the radial direction of described axis, the second pad is provided with between described T-shaped tooth bar and described axis.
7. a kind of numerical control flat-turning disc mechanism according to claim 1, it is characterized in that: the rear end face of described facing head casing is provided with front pressing plate and side filler rod, the side of described slide plate is by described side filler rod clamping and positioning, rear end face and the described side filler rod of described front pressing plate, described facing head casing surround described slideway, and the surface of described slide plate is in advance through laminating process; The two ends up and down of described facing head casing are provided with corresponding to described sledge displacement multiplely scrapes bits plate.
8. a kind of numerical control flat-turning disc mechanism according to claim 1, it is characterized in that: between described slide plate and described facing head casing, be provided with slide plate position-limit mechanism, the stroke that described slide plate position-limit mechanism moves along U Axial and radial for limiting described slide plate.
9. a kind of numerical control flat-turning disc mechanism according to claim 8, it is characterized in that: described slide plate position-limit mechanism comprises the alignment pin be arranged on described facing head casing, described alignment pin has been connected by screw plug, between described alignment pin and described plug, Compress Spring is installed, the end face of the other end of described alignment pin and the contacts side surfaces of described slide plate, one side of described slide plate is vertically disposed with the first parallel draw-in groove and the second draw-in groove, the first described draw-in groove and the second described draw-in groove are arranged along the thickness direction of described slide plate, described alignment pin is arranged perpendicular to the thickness direction of described slide plate, the shape of the cross section of the first described draw-in groove and the second described draw-in groove is unequal-sided trapezoidal, the length of the top of the cross section of the first described draw-in groove is less than its following length, the length of the top of the cross section of the second described draw-in groove is greater than its following length, the shape of the vertical sectional shape of the end of described alignment pin and the cross section of the first described draw-in groove is suitable, the end of alignment pin can snap in the first draw-in groove or the second draw-in groove, thus the stroke that restriction slide plate moves along U Axial and radial.
10. a kind of numerical control flat-turning disc mechanism according to claim 1, it is characterized in that: the rear end of described facing head casing is connected and installed with jacking block by holding out against screw, 3rd Compress Spring is installed between described jacking block and described facing head casing, the outer end of described jacking block is located by guide finger, described jacking block offers the second gathering sill, described guide finger stretches in the second described gathering sill through the tank wall of described facing head casing, described jacking block can move along described guide finger, the sidewall of described jacking block offers the 3rd draw-in groove, one sidewall inlay card of described slide plate is in the 3rd described draw-in groove, by tightening the radial stroke holding out against screw fixed glides, realize the size part processing of facing head.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057079.1U CN204584740U (en) | 2015-01-27 | 2015-01-27 | A kind of numerical control flat-turning disc mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520057079.1U CN204584740U (en) | 2015-01-27 | 2015-01-27 | A kind of numerical control flat-turning disc mechanism |
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| CN204584740U true CN204584740U (en) | 2015-08-26 |
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| CN201520057079.1U Withdrawn - After Issue CN204584740U (en) | 2015-01-27 | 2015-01-27 | A kind of numerical control flat-turning disc mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589077A (en) * | 2015-01-27 | 2015-05-06 | 宁波海天精工股份有限公司 | Numerical control facing head mechanism |
-
2015
- 2015-01-27 CN CN201520057079.1U patent/CN204584740U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589077A (en) * | 2015-01-27 | 2015-05-06 | 宁波海天精工股份有限公司 | Numerical control facing head mechanism |
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Granted publication date: 20150826 Effective date of abandoning: 20170616 |