CN204954064U - Numerical control dual cutter straight bevel gear milling machine - Google Patents
Numerical control dual cutter straight bevel gear milling machine Download PDFInfo
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- CN204954064U CN204954064U CN201520657742.1U CN201520657742U CN204954064U CN 204954064 U CN204954064 U CN 204954064U CN 201520657742 U CN201520657742 U CN 201520657742U CN 204954064 U CN204954064 U CN 204954064U
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Abstract
The utility model relates to a numerical control dual cutter straight bevel gear milling machine, including lathe bed assembly, main drive case assembly, cage chair assembly, tool box assembly, workpiece box assembly and bed saddle finger plate assembly etc. Characterized in that: the tool box assembly including install upper slitter frame foundation subassembly and lower tool post seat subassembly on cage chair assembly drum, go up the tool box subassembly, on, tool box lateral shifting adjusting device and time tool box lateral shifting adjusting device of tool box subassembly, upper and lower carriage saddle angular adjustment mechanism down, be equipped with in the workpiece box assembly and be arranged in eliminating the graduation and move the tool box 0 device in drunkenness clearance. The advantage is: can strengthen the gear lathe whole rigidity, fully simplify lathe structure, each kinematic axis driving chain and adjustment calculation program, reduce manufacturing cost, put forward high tooth wheel cutting process precision by a wide margin, not only can realize the big processing of gear in batches, but also it is applicable in stick or many varieties small batch volume gear machining's requirement.
Description
Technical field
The utility model belongs to gear cutting machine technical field, particularly relates to a kind of numerical control Double-cutter straight bevel gear generating machine.
Background technology
Straight bevel gear generating machine is widely used in the rear axle shaft gear of the gearbox of transmission, reductor internal gear and car, also can be used in general machine industry.Its main processing characteristic is the tooth trace of the tooth length direction of the gear teeth cut out is an arc, and in the middle part of the flank of tooth, trace is protruding is also called barreled tooth flank in cydariform, and during barreled tooth flank engagement, contact area is at the middle part of the flank of tooth, progressively expands with after running running-in, therefore stressed good.
Straight bevel gear mill teeth can be divided into horizontal single station straight bevel gear generating machine and vertical double-position straight bevel gear generating machine by its layout difference, vertical double-position straight bevel gear generating machine work comprises cutterhead, cage chair, workpiece head, the chief components such as cage chair hydraulic pressure moving platform, cutterhead hydraulic pressure moving platform, base, hydraulic cooling system and electric-control system.In order to size two gears matched in machining gears pair, workpiece head lathe bed being equipped with two cover cage chairs and being connected with cage chair, realize cage chair by cage chair worm gear to rotate, thus drive workpiece head revolution, make the gear revolution to be processed be arranged on workpiece head, realize workpiece head rotation by workpiece head worm gear, machining gears rotation on the spot, thus realize the generating motion of Gear Processing, cut out gear by cutterhead rotary cutting.Moving with the use of realizing a point tooth of planetary mechanism and clutch, along with the gearratio of gear pair to be processed, the number of teeth adjust, not only calculation of complex in practical operation, and need extra manufacture, add processing cost and setting for machine, setup time, be not therefore suitable for the Gear Processing of single-piece or small lot.In addition, owing to adopting two cover cage chair structures, cause the driving-chain of transmission device longer, transmission accuracy and transmission efficiency lower, have impact on the working (machining) efficiency of lathe.
Utility model content
The utility model provides a kind of and fully can simplify machine tool structure and each kinematic axis driving-chain, reduces manufacturing cost, increases substantially gear cutting machining accuracy and be applicable to the numerical control Double-cutter straight bevel gear generating machine of single-piece or small lot, large batch of Gear Processing for solving in known technology the technical problem that exists.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:
Numerical control Double-cutter straight bevel gear generating machine, comprise lathe bed assembly, main driving box assembly, cage chair assembly, toolbox assembly, workpiece box assembly, saddle finger plate assembly, digital control system, hydraulic system, lubricating system and cooling chip removal system, described lathe bed assembly is connected with cage chair assembly by securing member, described cage chair assembly one side is provided with toolbox assembly, main driving box assembly is connected with in cage chair assembly another side, described lathe bed assembly is connected with the saddle finger plate assembly making it slide along bed ways by screw pair, saddle finger plate assembly is equipped with workpiece box assembly by securing member and V-type rail, it is characterized in that: described toolbox assembly comprises and is arranged on upper tool post holder assembly on cage chair assembly drum and lower slide holder assembly, be arranged on the box assembly of fixing a cutting tool on upper tool post holder assembly, be arranged on the bottom tool box assembly on lower slide holder assembly, upper and lower carriage saddle angle-adjusting mechanism, to fix a cutting tool case transverse shifting adjusting device and bottom tool case transverse shifting adjusting device, described upper tool post holder assembly is connected with lower slide holder assembly by center steering axle, described upper and lower carriage saddle angle-adjusting mechanism is connected with upper tool post holder assembly and lower slide holder assembly, described case transverse shifting adjusting device of fixing a cutting tool is arranged on upper tool post holder assembly, and be connected with case of fixing a cutting tool, described bottom tool case transverse shifting adjusting device is arranged on lower slide holder assembly, and be connected with bottom tool case.
The utility model can also adopt following technical scheme:
Described upper and lower carriage saddle angle-adjusting mechanism comprises the screw shaft that its top is shaped with right-handed thread, bottom is shaped with left hand thread, upper square head shaft, upper locating flange, lower square head shaft and lower locating flange, the upper square head shaft it being shaped with dextrorotation screw is equipped with in described screw shaft upper end by screw thread, the lower square head shaft it being shaped with left-handed screw is equipped with in lower end by screw thread, described upper square head shaft is connected by the upper locating flange that jump ring and upper tool post holder assembly are affixed, and described lower square head shaft is connected by the lower locating flange that jump ring and lower slide holder assembly are affixed.
Described case transverse shifting adjusting device of fixing a cutting tool comprises thrust housing and upper screw rod, described upper screw rod is equipped with thrust housing, locked by alignment pin and upper thrust housing, and be axially fixed on upper cutter head support body, described upper screw rod is connected by spiral shell button and case screw of fixing a cutting tool.
Described bottom tool case transverse shifting adjusting device comprises lower upper thrust housing and lower screw mandrel, described lower screw mandrel is equipped with lower thrust housing, locked by alignment pin and lower thrust housing, and be axially fixed on lower tool rest support body, described lower screw mandrel is connected by spiral shell button and bottom tool case screw.
Described box assembly of fixing a cutting tool comprises case of fixing a cutting tool, fix a cutting tool main shaft and the main shaft of fixing a cutting tool that is arranged on main shaft top of fixing a cutting tool move axially guiding mechanism.
Described main shaft of fixing a cutting tool moves axially guiding mechanism and comprises upper press cover, upper main shaft swivel nut, upper flange nut, upper thin nut and top nut capping, fixing a cutting tool, main shaft swivel nut is equipped with in main shaft upper end, described upper main shaft swivel nut is by upper press cover and pressure bearing, journal bearing and principal shaft locking of fixing a cutting tool, described upper main shaft swivel nut external screw-thread is connected with upper flange nut, described upper flange nut is fixed by screw pin and casing of fixing a cutting tool, and by upper thin nut and top nut capping acting in conjunction by upper main shaft swivel nut with fix a cutting tool casing axial locking.
The bottom tool main shaft that described bottom tool box assembly comprises bottom tool case, bottom tool main shaft and is arranged on main shaft bottom of fixing a cutting tool moves axially guiding mechanism.
Described bottom tool main shaft moves axially guiding mechanism and comprises lower cover, lower main axis swivel nut, lower flange nut, lower thin nut and lower nut capping, in bottom tool main shaft bottom, lower main axis swivel nut is housed, described lower main axis swivel nut is by lower cover and pressure bearing, journal bearing and bottom tool principal shaft locking, described lower main axis swivel nut external screw-thread is connected with lower flange nut, described lower flange nut is fixed by screw pin and bottom tool casing, and by lower thin nut and lower nut capping acting in conjunction by lower main axis swivel nut and bottom tool casing axial locking.
Described spring damping device comprises the first friction pads component, the second friction pads component, bearing pin and adjustment mother and forms, described bearing pin is shaped with keyway, and be fixed on work spindle casing by pin at its circumferencial direction, described bearing pin is set with the first friction pads component and the second friction pads component by key, bearing pin outside the second friction pads component is equipped with spring, and by the female holddown spring of adjustment.
The advantage that the utility model has and good effect are: because the utility model adopts technique scheme, box assembly of fixing a cutting tool in this tooth milling machine is all connected with a cage chair assembly with bottom tool box assembly, and the upper slitter stand of carriage saddle assembly is connected by center steering axle with between lower slide seat up and down, upper slitter stand and lower slide seat location cylindrical is made just in time to load cradle drum with one heart; Simultaneously, box assembly of fixing a cutting tool is all adopt relative respective independently cutter spindle transmission and adjustment System with bottom tool box assembly, and mutually have accurate angle and position association, described in fix a cutting tool box assembly and bottom tool box assembly adopt respective independent spindle drive and main shaft to move axially guiding mechanism.Carriage saddle assembly arranges carriage saddle angular adjustment apparatus, and by with left-right rotary screw thread screw rod and be fixed on the upper and lower locating flange of upper and lower carriage saddle and rotatable upper and lower square head shaft, can be realized fixing a cutting tool the angle adjustment of case and bottom tool case, space structure is little and succinctly effective, easy to adjust.Adopt said structure can strengthen integral rigidity, fully simplification lathe overall structure and each kinematic axis driving-chain, the reduction manufacturing cost of gear machine, increase substantially gear cutting machining accuracy.In addition, adopt digital control worm gear transmission calibration and auxiliary calibration damping unit, make the indexing action of lathe steadily, accurately, reliably, and then avoid workpiece that small play occurs in working angles, improve Gear Processing precision.So not only can realize the processing of gear in enormous quantities, but also can meet gearbox, reductor, auto industry produces the requirement of small batch, multi items.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view of the utility model toolbox assembly;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is the C-C sectional view of Fig. 3;
Fig. 7 is the D-D sectional view of Fig. 3;
Fig. 8 is the structural representation of the utility model workpiece box assembly;
Fig. 9 is the E-E sectional view of Fig. 8;
Figure 10 is the F-F sectional view of Fig. 8.
In figure: 1, lathe bed assembly; 2, main driving box assembly; 3, cage chair assembly; 4, toolbox assembly; 4-1, upper tool post holder assembly; 4-2, box assembly of fixing a cutting tool; 4-3, bottom tool box assembly; 4-4, lower slide holder assembly; 4-5, case transverse shifting adjusting device of fixing a cutting tool; 4-6, up and down carriage saddle angle-adjusting mechanism; 4-7, bottom tool case transverse shifting adjusting device; 4-8, main shaft of fixing a cutting tool move axially guiding mechanism; 4-9 bottom tool main shaft moves axially guiding mechanism; 4-10, center steering axle; 4-11, upper locating flange; 4-12, upper square head shaft; 4-13, screw shaft; 4-14, lower locating flange; 4-15, lower square head shaft; 4-16, upper screw rod; 4-17, upper thrust housing; 4-18, lower screw mandrel; Thrust housing under 4-19; 4-20, main shaft of fixing a cutting tool; 4-21, upper main shaft swivel nut; 4-22, upper press cover; 4-23, upper flange nut; 4-24, upper thin nut; 4-25, top nut capping; 4-26, casing of fixing a cutting tool; 4-27 bottom tool main shaft; 4-28, lower main axis swivel nut; 4-29, lower cover; 4-30, lower flange nut; 4-31, lower thin nut; 4-32, lower nut capping; 4-33, bottom tool casing; 4-34, upper tool post pedestal; 4-35, lower slide pedestal; 5, workpiece box assembly; 5-1, work spindle casing; 5-2, work spindle; 5-3, workpiece precision indexing worm gear; 5-4, main shaft locknut; 5-5, worm gear locknut; 5-6, workpiece add locking oil cylinder; 5-7, frictional damping assembly; 5-8, shaft coupling; 5-9, axle; 5-10, electric machine support; 5-11, pinion; 5-12 gear wheel; 5-13, precision indexing worm couple; 5-14, endless screw support; 5-15, adjusting pad; 5-16, the first friction pads component; 5-17, the second friction pads component; 5-18, bearing pin; 5-19, adjustment mother; 5-20, spring; 6, saddle finger plate assembly.
Detailed description of the invention
For utility model content of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
It should be noted that, unless otherwise clearly defined and limited, term " first ", " second " etc. do not represent order and install, and do not represent the importance of described element yet.
Refer to Fig. 1-Fig. 9, numerical control Double-cutter straight bevel gear generating machine, comprise lathe bed assembly 1, main driving box assembly 2, cage chair assembly 3, toolbox assembly 4, workpiece box assembly 5, saddle finger plate assembly 6, digital control system, hydraulic system, lubricating system and cooling chip removal system, described digital control system, hydraulic system, lubricating system and cooling chip removal system all do not represent in the drawings.Described lathe bed assembly is connected with cage chair assembly by securing member, described cage chair assembly one side is provided with toolbox assembly, by the main driving box assembly 2 of screw pin sub-connection on the lathe bed assembly of cage chair assembly another side, described lathe bed assembly is connected with the saddle finger plate assembly 6 making it slide along bed ways by screw pair, saddle finger plate assembly is equipped with workpiece box assembly 5 by securing member and V-type rail.
Described toolbox assembly 4 comprises upper tool post holder assembly 4-1 and lower slide holder assembly 4-4, the box assembly 4-2 that fixes a cutting tool be arranged on upper tool post holder assembly, the bottom tool box assembly 4-3 be arranged on lower slide holder assembly, up and down carriage saddle angle-adjusting mechanism 4-6 be arranged on cage chair assembly drum, fix a cutting tool case transverse shifting adjusting device 4-5 and bottom tool case transverse shifting adjusting device 4-7.Described upper tool post holder assembly is connected with lower slide holder assembly by center steering axle 4-10, described upper and lower carriage saddle angle-adjusting mechanism is connected with upper tool post holder assembly and lower slide holder assembly, described case transverse shifting adjusting device of fixing a cutting tool is arranged on upper tool post holder assembly, and be connected with case of fixing a cutting tool, described bottom tool case transverse shifting adjusting device is arranged on lower slide holder assembly, and is connected with bottom tool case.Connected by center steering axle 4-10 between described upper tool post holder assembly and lower slide holder assembly, can make like this upper slitter stand and lower slide seat location cylindrical concentric, so that on smooth and easy loading cage chair assembly drum, when also can avoid carrying out angle adjustment simultaneously, because of Action of Gravity Field cause upper slitter stand and screw stuck.
Refer to Fig. 4, described upper and lower carriage saddle angle-adjusting mechanism 4-6 comprises its top and is shaped with right-handed thread, bottom is shaped with the screw shaft 4-13 of left hand thread, upper square head shaft 4-12, upper locating flange 4-11, lower square head shaft 4-15 and lower locating flange 4-14, the upper square head shaft it being shaped with dextrorotation screw is equipped with in described screw shaft upper end by screw thread, the lower square head shaft it being shaped with left-handed screw is equipped with in lower end by screw thread, described upper square head shaft is connected by the upper locating flange that jump ring and upper tool post holder assembly are affixed, described lower square head shaft is connected by the lower locating flange that jump ring and lower slide holder assembly are affixed, described upper locating flange 4-11 is fixed on upper tool post pedestal 4-33 by securing member, described lower locating flange 4-14 is fixed on lower slide pedestal 4-35 by securing member.Rotating screw bolt axle 4-13, in promotion, square head shaft 4-12 and lower square head shaft 4-15 rotates in opposite directions along screw shaft or rotates on the contrary, and simultaneously along cage chair center steering, and then promote to fix a cutting tool box assembly, bottom tool box assembly along cage chair center steering, now can complete the angle adjustment of fix a cutting tool case and bottom tool case, space structure is little effectively succinct, easy to adjust.
Refer to Fig. 5, the described case transverse shifting adjusting device 4-5 that fixes a cutting tool comprises thrust housing 4-17 and upper screw rod 4-16, described upper screw rod is equipped with thrust housing, locked by alignment pin and upper thrust housing, and being axially fixed on the upper tool post pedestal 4-34 of upper tool post holder assembly 4-1, described upper screw rod is connected by spiral shell button and casing screw of fixing a cutting tool.Rotate upper screw rod 4-16 can promote to fix a cutting tool box assembly 4-2 along dove-tail form guide rail transverse shifting.
Refer to Fig. 6, described bottom tool case transverse shifting adjusting device 4-7 comprises lower upper thrust housing 4-19 and lower screw mandrel 4-18, described lower screw mandrel is equipped with lower thrust housing, locked by alignment pin and lower thrust housing, and being axially fixed on the lower slide pedestal 4-35 of lower slide holder assembly 4-4, described lower screw mandrel is connected by spiral shell button and bottom tool casing screw.Rotate lower screw mandrel 4-18 and can promote bottom tool box assembly 4-3 along dove-tail form guide rail transverse shifting.
The described box assembly 4-2 that fixes a cutting tool comprises the casing 4-26 that fixes a cutting tool, fix a cutting tool main shaft 4-20 and the main shaft of fixing a cutting tool that is arranged on main shaft top of fixing a cutting tool move axially guiding mechanism 4-8.
Refer to Fig. 7, described main shaft of fixing a cutting tool moves axially guiding mechanism and comprises upper press cover 4-22, upper main shaft swivel nut 4-21, upper flange nut 4-23, upper thin nut 4-24 and top nut capping 4-25, fixing a cutting tool, main shaft swivel nut is equipped with in main shaft upper end, described upper main shaft swivel nut is by upper press cover and pressure bearing, journal bearing and principal shaft locking of fixing a cutting tool, described upper main shaft swivel nut external screw-thread is connected with upper flange nut, described upper flange nut is fixed by screw pin and upper tool post pedestal, and by upper thin nut and top nut capping acting in conjunction by upper main shaft swivel nut with fix a cutting tool casing 4-26 axial locking.
When main shaft of fixing a cutting tool needs to move axially adjustment, unclamp top nut capping 4-25 and upper thin nut 4-24 certain distance, tighten the screw on top nut capping 4-25 and upper thin nut 4-24, top nut capping 4-25 and upper thin nut 4-24 is integral with principal shaft locking of fixing a cutting tool, rotate top nut capping 4-25 and upper thin nut 4-24, thus drive main shaft of fixing a cutting tool to rotate, now upper flange nut 4-23 is fixed on the casing 4-26 that fixes a cutting tool, thus promotion is fixed a cutting tool, main shaft axially moves.After adjusting to the right place, unclamp the screw on top nut capping and upper thin nut, rotate top nut capping and upper thin nut, be tightened against upper flange nut check.The main shaft that makes to fix a cutting tool axially makes to be in locking state eventually, to ensure to fix a cutting tool main shaft rigidity.
The bottom tool main shaft that described bottom tool box assembly comprises bottom tool casing 4-33, bottom tool main shaft 4-27 and is arranged on main shaft bottom of fixing a cutting tool moves axially guiding mechanism 4-9.
Refer to Fig. 7, described bottom tool main shaft moves axially guiding mechanism and comprises lower cover 4-29, lower main axis swivel nut 4-28, lower flange nut 4-30, lower thin nut 4-31 and lower nut capping 4-32, in bottom tool main shaft 4-27 bottom, lower main axis swivel nut is housed, described lower main axis swivel nut is by lower cover and pressure bearing, journal bearing and bottom tool principal shaft locking, described lower main axis swivel nut external screw-thread is connected with lower flange nut, described lower flange nut is fixed by screw pin and lower slide pedestal, and by lower thin nut and lower nut capping acting in conjunction by lower main axis swivel nut and bottom tool casing 4-33 axial locking.
Instantly when cutter spindle needs to move axially adjustment, unclamp lower nut capping 4-32 and lower thin nut 4-31 certain distance, tighten the screw on lower nut capping and lower thin nut, by lower nut capping and lower thin nut and bottom tool principal shaft locking integral, rotate lower nut capping and lower thin nut, thus drive bottom tool main shaft to rotate, now lower flange nut 4-30 is fixed on lower slide pedestal 4-35, thus promotion bottom tool main shaft axially moves.After adjusting to the right place, unclamp the screw on lower nut capping and lower thin nut, rotate lower nut capping and lower thin nut, be tightened against lower flange nut 4-30 and carry on the back tight, make bottom tool main shaft axially make to be in locking state, to ensure the rigidity of bottom tool main shaft eventually.By adjusting the axial location of fix a cutting tool main shaft and bottom tool main shaft, carry out the transverse tooth thickness of controlled working gear.
Box assembly of fixing a cutting tool in this tooth milling machine is all adopt relative respective independently cutter spindle transmission and adjustment System with bottom tool box assembly, and mutually has again accurate angle and position association.The described box assembly and the bottom tool box assembly respective independent spindle drive of employing and main shaft of fixing a cutting tool moves axially guiding mechanism.
Refer to Fig. 8-Figure 10, described workpiece box assembly comprises work spindle casing, work spindle, accurate indexing mechanism, precision indexing transmission component, spring damping device and Workpiece clamping oil cylinder.
Described workpiece box assembly 5 comprises: work spindle casing 5-1, work spindle 5-2, workpiece precision indexing worm-drive assembly 5-3, main shaft locknut 5-4, worm gear locknut 5-5, workpiece step up cylinder component 5-6, frictional damping assembly 5-7 and form.Described work spindle 5-2 bearings at both ends play is adjusted by main shaft locknut 5-4, sets this nut torque to guarantee main shaft locknut 5-4 work spindle 5-2 rigid locking on work spindle casing 5-1 simultaneously, and rotates flexibly.Workpiece precision indexing worm-drive assembly 5-3 and work spindle 5-2 is located by tapering, key connects, simultaneously by worm gear locknut 5-5 and corresponding adjusting pad axial locking, to guarantee workpiece precision indexing worm gear high position precision demand and workpiece precision indexing worm-drive assembly 5-3 and work spindle 5-2 rigid attachment.
Described accurate indexing mechanism comprises: shaft coupling 5-8, axle 5-9, electric machine support 5-10, pinion 5-11, gear wheel 5-12 and precision indexing worm couple 5-13, described electric machine support 5-10 is fixed on work spindle casing 5-1 by screw pin, and motor is passed to precision indexing worm couple 5-13 through shaft coupling 5-8, axle 5-9, pinion 5-11 and gear wheel 5-12 and completed calibration.Wherein controlling precision indexing worm couple centre-to-centre spacing is completed by endless screw support 5-14 and adjusting pad 5-15, so not only can guarantee centre-to-centre spacing, also can ensure that precision indexing worm couple drive gap is in designing requirement.Be coarse positioning hole between electric machine support 5-9 and work spindle casing 5-1 simultaneously, have certain adjustable amount, ensure that between pinion 5-10 and gear wheel 5-11, drive gap can be transferred to designing requirement.Whole like this driving-chain not only can ensure certain short but also ensure comparatively small―gap suture, thus guaranteed the precision round subsection of accurate indexing mechanism.
Described clamping cylinder 5-6 at work spindle 5-2 afterbody, holds out against screw check by screw-threaded coupling, ensures that clamping cylinder 5-6 is by after draw lever locking workpiece, and workpiece and work spindle 5-2 and clamping cylinder connect into rigid unitary.Ensure cutting rigidity during Tool in Cutting workpiece, tightening force can not produce interference impact, to ensure that calibration is accurate to accurate indexing mechanism actuation simultaneously.
Described spring damping device comprises the first friction pads component 5-16, the second friction pads component 5-17, bearing pin 5-18 and adjusts female 5-19 and forms, described bearing pin 5-18 is shaped with keyway, and by pin, its circumferencial direction is fixed on work spindle casing 5-1, and axially adjustable.Described first friction pads component and the second friction pads component all with bearing pin 5-18 key connecting, spring 5-20 bearing pin outside the second friction pads component is equipped with, holddown spring is carried out by tightening the female 5-19 of adjustment, thus compress the second friction pads component, bearing pin strains the first friction pads component simultaneously, to ensure on the worm gear end face that the first friction pads component and the second friction pads component are evenly pressed on workpiece precision indexing worm gear 5-3, driving-chain gap when damping action by friction eliminates calibration, ensure machining accuracy, indexing process is more steady, accurate.
The embodiment that the utility model accompanying drawing describes is exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Claims (9)
1. a numerical control Double-cutter straight bevel gear generating machine, comprise lathe bed assembly, main driving box assembly, cage chair assembly, toolbox assembly, workpiece box assembly, saddle finger plate assembly, digital control system, hydraulic system, lubricating system and cooling chip removal system, described lathe bed assembly is connected with cage chair assembly by securing member, described cage chair assembly one side is provided with toolbox assembly, main driving box assembly is connected with in cage chair assembly another side, described lathe bed assembly is connected with the saddle finger plate assembly making it slide along bed ways by screw pair, saddle finger plate assembly is equipped with workpiece box assembly by securing member and V-type rail, it is characterized in that: described toolbox assembly comprises and is arranged on upper tool post holder assembly on cage chair assembly drum and lower slide holder assembly, be arranged on the box assembly of fixing a cutting tool on upper tool post holder assembly, be arranged on the bottom tool box assembly on lower slide holder assembly, upper and lower carriage saddle angle-adjusting mechanism, to fix a cutting tool case transverse shifting adjusting device and bottom tool case transverse shifting adjusting device, described upper tool post holder assembly is connected with lower slide holder assembly by center steering axle, described upper and lower carriage saddle angle-adjusting mechanism is connected with upper tool post holder assembly and lower slide holder assembly, described case transverse shifting adjusting device of fixing a cutting tool is arranged on upper tool post holder assembly, and be connected with case of fixing a cutting tool, described bottom tool case transverse shifting adjusting device is arranged on lower slide holder assembly, and be connected with bottom tool case, the spring damping device for eliminating play gap in indexing action is provided with in described workpiece box assembly.
2. numerical control Double-cutter straight bevel gear generating machine according to claim 1, it is characterized in that: described upper and lower carriage saddle angle-adjusting mechanism comprises its top and is shaped with right-handed thread, bottom is shaped with the screw shaft of left hand thread, upper square head shaft, upper locating flange, lower square head shaft and lower locating flange, the upper square head shaft it being shaped with dextrorotation screw is equipped with in described screw shaft upper end by screw thread, the lower square head shaft it being shaped with left-handed screw is equipped with in lower end by screw thread, described upper square head shaft is connected by the upper locating flange that jump ring and upper tool post holder assembly are affixed, described lower square head shaft is connected by the lower locating flange that jump ring and lower slide holder assembly are affixed.
3. numerical control Double-cutter straight bevel gear generating machine according to claim 1, it is characterized in that: described in case transverse shifting adjusting device of fixing a cutting tool comprise thrust housing and upper screw rod, described upper screw rod is equipped with thrust housing, locked by alignment pin and upper thrust housing, and being axially fixed on upper tool post pedestal, described upper screw rod is connected by spiral shell button and case screw of fixing a cutting tool.
4. numerical control Double-cutter straight bevel gear generating machine according to claim 1, it is characterized in that: described bottom tool case transverse shifting adjusting device comprises lower upper thrust housing and lower screw mandrel, described lower screw mandrel is equipped with lower thrust housing, locked by alignment pin and lower thrust housing, and being axially fixed on lower slide pedestal, described lower screw mandrel is connected by spiral shell button and bottom tool case screw.
5. numerical control Double-cutter straight bevel gear generating machine according to claim 1, is characterized in that: described in fix a cutting tool that box assembly comprises case of fixing a cutting tool, fix a cutting tool main shaft and the main shaft of fixing a cutting tool that is arranged on main shaft top of fixing a cutting tool move axially guiding mechanism.
6. numerical control Double-cutter straight bevel gear generating machine according to claim 5, it is characterized in that: described in main shaft of fixing a cutting tool move axially guiding mechanism and comprise upper press cover, upper main shaft swivel nut, upper flange nut, upper thin nut and top nut capping, fixing a cutting tool, main shaft swivel nut is equipped with in main shaft upper end, described upper main shaft swivel nut is by upper press cover and principal shaft locking of fixing a cutting tool, described upper main shaft swivel nut external screw-thread is connected with upper flange nut, described upper flange nut is fixed by screw pin and casing of fixing a cutting tool, and by upper thin nut and top nut capping and casing axial locking of fixing a cutting tool.
7. numerical control Double-cutter straight bevel gear generating machine according to claim 1, is characterized in that: the bottom tool main shaft that described bottom tool box assembly comprises bottom tool case, bottom tool main shaft and is arranged on bottom tool main shaft bottom moves axially guiding mechanism.
8. numerical control Double-cutter straight bevel gear generating machine according to claim 7, it is characterized in that: described bottom tool main shaft moves axially guiding mechanism and comprises lower cover, lower main axis swivel nut, lower flange nut, lower thin nut and lower nut capping, in bottom tool main shaft bottom, lower main axis swivel nut is housed, described lower main axis swivel nut is by lower cover and bottom tool principal shaft locking, described lower main axis swivel nut external screw-thread is connected with lower flange nut, described lower flange nut is fixed by screw pin and bottom tool casing, and by lower thin nut and lower nut capping and bottom tool casing axial locking.
9. numerical control Double-cutter straight bevel gear generating machine according to claim 1, it is characterized in that: described spring damping device comprises the first friction pads component, the second friction pads component, bearing pin and adjustment mother and forms, described bearing pin is shaped with keyway, and be fixed on work spindle casing 5-1 by pin at its circumferencial direction, described bearing pin is set with the first friction pads component and the second friction pads component by key, bearing pin outside the second friction pads component is equipped with spring, and by the female holddown spring of adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657742.1U CN204954064U (en) | 2015-08-27 | 2015-08-27 | Numerical control dual cutter straight bevel gear milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657742.1U CN204954064U (en) | 2015-08-27 | 2015-08-27 | Numerical control dual cutter straight bevel gear milling machine |
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| CN204954064U true CN204954064U (en) | 2016-01-13 |
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|---|---|---|---|
| CN201520657742.1U Withdrawn - After Issue CN204954064U (en) | 2015-08-27 | 2015-08-27 | Numerical control dual cutter straight bevel gear milling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215475A (en) * | 2015-08-27 | 2016-01-06 | 天津第一机床总厂 | Numerical control Double-cutter straight bevel gear generating machine |
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2015
- 2015-08-27 CN CN201520657742.1U patent/CN204954064U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215475A (en) * | 2015-08-27 | 2016-01-06 | 天津第一机床总厂 | Numerical control Double-cutter straight bevel gear generating machine |
| CN105215475B (en) * | 2015-08-27 | 2017-09-15 | 天津第一机床总厂 | Numerical control Double-cutter straight bevel gear generating machine |
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Granted publication date: 20160113 Effective date of abandoning: 20170915 |