CN202212609U - Inner hole machining equipment for workpiece - Google Patents
Inner hole machining equipment for workpiece Download PDFInfo
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- CN202212609U CN202212609U CN2011202734143U CN201120273414U CN202212609U CN 202212609 U CN202212609 U CN 202212609U CN 2011202734143 U CN2011202734143 U CN 2011202734143U CN 201120273414 U CN201120273414 U CN 201120273414U CN 202212609 U CN202212609 U CN 202212609U
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Abstract
The utility model discloses inner hole machining equipment for a workpiece, which is mainly characterized in that a workpiece supporting component is used for flexible clamping and tightening; a main transmission case is provided with a multi-stage gear pair driven by a first variable-speed motor controlled by a numerical control device; a boring tool combination device is provided with a boring tool driving disk and a boring rod double-key groove pair in a matched manner; a boring tool fixing block is in sliding fit with a boring tool slider moving guide rail seat; a boring tool slider and a boring rod combination device are respectively driven by a second variable-speed motor and a third variable-speed motor which are controlled by the numerical control device; and a front boring rod bracket is connected with a boring rod through an axial set screw. The inner hole machining equipment for the workpiece has the advantages of advanced structure, simplicity and convenience in operation, high machining precision, automation degree and machining efficiency, various functions of turning, boring and grinding, and the like.
Description
Technical field
The utility model relates to a kind of workpiece endoporus process equipment, belongs to the machining equipment technical field.
Background technology
The described workpiece endoporus of the utility model process equipment is that a kind of structure with existing general boring machine of finalizing the design exists many different special equipments.
The general boring machine of existing typing, the amount of deflection of boring bar is big because its boring bar is cantilever design, so that its machining accuracy is still not fully up to expectations, and the precision of especially processing hole workpiece in the big length of length seems poor.
Thereby machining enterprise generally all can adopt special processing equipment when in enormous quantities processing work endoporus.Yet; Existing said special processing equipment, its structure is similar, owing to all there is structural deficiency; Lack continuous feed and rapid feed device; And its operation is cumbersome, and working (machining) efficiency is also relatively low, and is difficult to satisfy the demand of high accuracy, high efficiency, low-cost processing work endoporus.
Summary of the invention
The utility model aims to provide a kind of rational in infrastructure, and machining accuracy is high, and is easy to operate, the workpiece endoporus process equipment that working (machining) efficiency is higher relatively.To overcome the deficiency of existing similar workpiece endoporus process equipment.
The said workpiece endoporus of the utility model process equipment is meant to be mainly used in the workpiece endoporus in φ 250 ~ φ 600mm scope, the process equipment of the car of the cylindric workpiece endoporus that its interior hole length and aperture are bigger, boring, mill processing.
The utility model realizes that the technical scheme of its purpose is:
A kind of workpiece endoporus process equipment comprises lathe bed, the work mounting s holder assembly, and main transmission box, the boring bar composite set, boring cutter slide block driving and reversing mechanism, the driving and reversing mechanism of boring bar composite set and boring bar front rack, its innovative point is:
Said work mounting s holder assembly comprises that 2 difference can be fixed on vee-block and flexible tightening part on the supporting base along the supporting base of lathe bed length direction slip fixation; And 2 vee-blocks are on the same axis, and an end of flexible tightening part is fixedly connected with vee-block one side, and its other end is fixedly connected with the vee-block opposite side is removable through coating fastening workpiece outer surface;
Said main transmission box comprises the casing that is fixedly connected with lathe bed, and the under drive gear that is arranged in the casing is secondary, first variable speed electric motors, particularly and the boring bar driving-disc that are fixedly connected with casing and accept digital control implement control; The coaxial connection of power input shaft that the power output shaft of first variable speed electric motors, particularly is secondary with under drive gear, the secondary power output gear of under drive gear is connected with the actuating sleeve key, and actuating sleeve is connected with boring bar driving-disc screw;
Said boring bar composite set comprises the hollow boring bar, and at least 2 drive boring bars rotation keyway subcomponents, at least 2 boring cutter slide block assemblies and boring cutter fixed block assembly; Said boring bar concentric arrangement is in the endoporus of boring bar driving-disc and be mutually and be slidingly matched; Said at least 2 drive boring bars rotation keyway subcomponents and arrange evenly that along the boring bar circumferencial direction it is located at the keyway on the boring bar driving-disc, and are slidingly matched along the axial arranged long key that is connected of boring bar, and make boring bar and boring bar driving-disc rotate synchronously; Said at least 2 boring cutter slide block assemblies; Along the boring bar circumferencial direction evenly arrange and with drive boring bar rotation keyway subcomponent and stagger, its boring cutter slide block and the boring cutter slide block moving guide rail seat that is connected with boring bar and arrange vertically are equipped with to be and are slidingly matched and can move vertically; The boring cutter of said boring cutter fixed block assembly and the attaching of boring cutter fixed block; The boring cutter fixed block is connected with the boring cutter slide block through the set slotted hole of tapered wedges by screw; Its boring cutter radial displacement adjustment screw; Screw and the tapered wedges end set through boring cutter slider end side are rotationally connected, thereby constitute boring cutter radiai adjustment device; Turn boring cutter radial displacement adjustment screw can be adjusted the radial feed position of boring cutter;
Said boring cutter slide block driving and reversing mechanism comprises boring cutter slide block advance and retreat slide unit, and the boring cutter slide block drives leading screw, the first leading screw seat that is connected with slide unit base rear end portion and accept second variable speed electric motors, particularly that digital control implement is controlled; Said boring cutter slide block advance and retreat slide unit is with the slide unit base that is connected with lathe bed and is slidingly matched; The boring cutter slide block drives leading screw and stubborn the connecing of first spirit alive (nut) that is connected with boring cutter slide block advance and retreat slide unit, and its rear end is connected with second variable speed electric motors, particularly is coaxial, and the first leading screw seat and boring cutter slide block drive leading screw and be axis hole movingly; Said boring cutter slide block rear end is passed boring bar advance and retreat slide unit and is connected with boring cutter slide block advance and retreat slide unit and turns; Drive second variable speed electric motors, particularly and can make the boring cutter slide block, realize workpiece cutting axial feed along boring bar axial displacement;
The driving and reversing mechanism of said boring bar composite set comprises boring bar advance and retreat slide unit, and boring bar drives leading screw, second leading screw seat that is connected with slide unit base rear end portion and the 3rd variable speed electric motors, particularly of accepting digitial controller control; Said boring bar advance and retreat slide unit is with the slide unit base that is connected with lathe bed and is slidingly matched; Boring bar drives leading screw and stubborn the connecing of second spirit alive (nut) that is connected with boring bar advance and retreat slide unit, and its rear end is connected with the 3rd variable speed electric motors, particularly is coaxial, and the second leading screw seat and boring bar drive leading screw and be axis hole movingly; Said boring bar advance and retreat slide unit is movingly with the boring bar rear end and is connected; Driving the 3rd variable speed electric motors, particularly can make boring bar axially realize that along it advance and retreat move and make things convenient for the loading and unloading of workpiece;
Said boring bar front rack assembly comprises the bearer carrier that is connected with the lathe bed sliding fit, the front rack that is fixedly connected with bearer carrier; Said front rack is rotating with the boring bar front end and is connected.
Positive effect like above the utility model technical scheme is:
Its work mounting s holder assembly since adopt vee-block center, by the flexible tightening part chain workpiece that links closely for example, and adopt the link closely mode of clamping of pressing plate, advantage such as it is not yielding to have a workpiece, and the clamping tightening is convenient and reliable than prior art;
Since its active rotation case by the driving of first variable speed electric motors, particularly, and under the control of numerical control device, the slewing range broad of its boring bar driving-disc can be widely used in unlike material such as ironcasting, the processing of magnesium iron spare and steel-casting etc.;
3. because said boring bar composite set has adopted the supporting of boring bar front and back end, efficiently solve the problem that influences machining accuracy that is produced because of the boring bar amount of deflection, and improved crudy;
4. because boring cutter slide block driving and reversing mechanism is driven by second variable speed electric motors, particularly, through digital control implement control, both can realize rapid return, and also can realize normal feed by technological requirement, operation is very easy;
5. because the driving and reversing mechanism of boring bar composite set; Under the driving of the 3rd variable speed electric motors, particularly; Can be by the requirement of technical papers; The boring bar composite set is moved back coming out in processing work fast, conveniently realize the lifting transportation and the positioning and clamping of workpiece, and advance and retreat make things convenient for freely very by digital control implement control.
Can understand through above concise and to the point description, the utility model realized its purpose that will realize.
The demand that adapts to its processing work diameter of bore wider range in view of the utility model; The boring bar diameter also should change thereupon; And be mutually between the equipped endoporus of axis hole at its boring bar cylindrical and boring bar driving-disc, can keep certain distance, for the change of boring bar diameter provides condition.When under the condition of boring bar diameter less than boring bar driving-disc diameter of bore, the utility model advocates have under the condition that cooperates apart from axis hole when boring bar and boring bar driving-disc are, and also comprises boring bar center adjustment assembly; Said boring bar center adjustment assembly has 3 at least; At least 3 boring bar center adjustment assemblies are evenly arranged along boring bar driving-disc endoporus circumferencial direction; Its included adjustment piece is under the effect of adjustment screw; Can be along the radial displacement of boring cutter driving-disc, the bottom surface of adjustment piece be with the boring bar cylindrical with the radius arc shape; Adjustment through said boring bar center adjustment assembly can make boring bar and boring bar driving-disc be on the same central axis.Through the adjustment of described this technical scheme, can make boring bar and boring bar driving-disc realize concentric arrangement, in order to guarantee the machining accuracy of workpiece endoporus.
In order to guarantee the arranged concentric of boring bar rear end and boring bar driving-disc; And the flexible rotation of boring bar; The utility model advocates that also the boring bar advance and retreat slide unit of the driving and reversing mechanism of said boring bar composite set and being connected movingly of boring bar rear end are that end connection axially was connected with boring bar after boring bar passed through; Back end connection axially is connected with the rear end minor axis, and the rear end minor axis is connected through bearing and boring bar advance and retreat slide unit movingly; The inner hole wall of minor axis is provided with vertically and can holds the axial groove that the boring cutter slide block passes through in the rear end.
Because processing magnesium iron workpiece or steel workpiece should carry out the part cooling at its cutting position,, reduce the wearing and tearing of boring cutter and the fineness of raising workpiece cutting surface, and the utility model is advocated also, also comprises cooling device with effective reduction workpiece deformation; Said cooling device connects minor axis by and slide block that be connected with the boring cutter slide block movingly with boring cutter slide block advance and retreat slide unit and the boring cutter slide block is set vertically and gas or liquid cooling medium passage that connect each other constitute; And boring cutter cutter head position is pointed in the outlet of the set said passage of boring cutter slide block; The import of the said passage that rear end slide block connecting axle is set can be connected with cooling medium gas source or fluid supply pipeline.
Consider that boring bar is arranged in the workpiece endoporus, the flexible rotation of clamping of workpiece handling for ease and assurance boring bar; The utility model is also advocated; Said boring bar front rack assembly also comprises the preceding external member of boring bar, outer conehead spare, internal taper hole spare, internal member and holding screw; External member is dynamically connected through bearing and boring bar before the said boring bar; Outer conehead spare is connected with the preceding external member axial bolt of boring bar; Internal taper hole spare is connected with the front rack axial bolt; And the attaching that matches with the conehead of outer conehead spare of the taper hole of internal taper hole spare, internal member is connected with front rack axis hole attachment screw, and holding screw is twisted mutually with the set screw of outer conehead spare through the center through hole of internal member and is connect; The holding screw that comes loose can make boring bar and front rack separate.
The advance and retreat speed of the rotating speed of boring bar and boring cutter slide block advance and retreat speed and boring bar composite set; The three can realize the change of relative broad range under the driving of the variable speed electric motors, particularly of accepting digital control implement control, this is the important behave that the utility model handled easily improves work efficiency.For this reason, the utility model is preferred, said first variable speed electric motors, particularly, second variable speed electric motors, particularly and the 3rd variable speed electric motors, particularly, and the three is variable-frequency motor or servomotor.When adopting variable-frequency motor, said variable-frequency motor is accepted digital control implement control through frequency converter; When adopting servomotor, then said servomotor accepts to have the digital control implement control of velocity sensor through servo-driver.Said digital control implement can adopt the PLC Programmable Logic Controller with digital control man-machine interface.
Consider by the boring bar driving-disc to drive boring bar through the keyway pair, not accurate if its key cooperates with keyway, just probably cause the circular runout of boring bar and transmit the damaged of moment of torsion.For this reason, the utility model advocates that also the driving boring bar rotation keyway pair of said boring bar composite set is that linear spherical guide is secondary; And the secondary guide rail of said linear spherical guide is fixedly connected with boring bar; Its track base is partly imbedded in the boring bar; And its another part is with the left and right holder that is fixedly connected with the boring bar driving-disc and is slidingly matched; Track base, is connected with the boring bar driving-disc through twisting the slotted hole that connects and pass through the track base tapered wedges with the screw of track base tapered wedges base plate by screw; Loosening screw rolls a tapered wedges through promoting to lead, and can make said guide rail and track base realize that no gap precisely cooperates.
In order to promote the range of work of the utility model; Make it become the multi-functional workpiece endoporus process equipment of collection car, boring, mill processing; The utility model is also advocated; Under the condition of the mill of will implementing the workpiece endoporus spread out, the boring cutter fixed block of the boring cutter fixed block assembly that said boring bar composite set is included is horizontal boss and groove fit bonding connection with emery stick.Because the utility model is rational in infrastructure, the process of replacing boring cutter with emery stick is very easily.
The actual requirement of diameter below φ 600mm of the processing work endoporus that sets according to the utility model; The under drive gear of the preferred said main transmission box of the utility model is secondary; Be three grades of under drive gear pairs; And through the speed governing of first variable speed electric motors, particularly, the rotating speed of its boring bar driving-disc is in 50 ~ 350RPM scope.Certainly, be not limited thereto.Particularly its under drive gear is secondary, is guaranteeing to have under enough torque conditions, can be that secondary or even one-level change-speed gearing are secondary, and the slewing range of its broad can be accomplished by its variable speed electric motors, particularly.And the rotating speed that its boring bar driving-disc is a boring bar can be set according to the material of workpiece and the cutting linear velocity of processing technology defined thereof.Under common processing conditions, the rotating speed of the boring bar that the utility model is advocated is 200 ~ 300RPm.
The utility model is also advocated, also comprises boring head; Said boring head is connected with the boring cutter slide block, and the included boring cutter fixed block of said boring cutter radial feed adjusting device is connected with boring head.The purpose of this technical scheme is; Can be under the condition of not conversion boring bar diameter; Boring head through the conversion various outer diameter adapts to the demand that the different endoporus of workpiece are processed, and can also on boring head, install a plurality of boring cutters (lathe tool) additional simultaneously, with further raising endoporus car boring working (machining) efficiency.
After technique scheme was able to implement, the structure that the utility model had is advanced, and was easy and simple to handle, and machining accuracy is high, and automaticity is high, and working (machining) efficiency is high, has characteristics such as car, boring, the multiple function of mill, is conspicuous.
Description of drawings
Fig. 1 is that the master of a kind of specific embodiment of the utility model looks sketch map;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the axial cutaway view (not comprising lathe bed 1, work mounting s assembly 2, slide unit base 5-5 etc.) of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the C-C cutaway view of Fig. 3;
Fig. 6 is the cutaway view of boring bar advance and retreat slide unit 6-1;
Fig. 7 is the right view of Fig. 6;
Fig. 8 is the cutaway view of boring cutter slide block advance and retreat slide unit 5-1;
Fig. 9 is the side view as work mounting s assembly 2 structures of the utility model shown in Figure 1;
Figure 10 is as boring cutter 4-4-1 of the utility model shown in Figure 1 and boring cutter fixed block 4-4-2 assembled state sketch map;
Figure 11 is as boring cutter fixed block 4-4-2 of the utility model shown in Figure 1 and emery stick 4-4-6 assembled state sketch map.
The specific embodiment
One of its specific embodiment is shown in accompanying drawing 1 ~ 10.
A kind of workpiece endoporus process equipment comprises lathe bed 1, work mounting s holder assembly 2, and main transmission box 3, boring bar composite set 4, boring cutter slide block driving and reversing mechanism 5, the driving and reversing mechanism 6 and the boring bar front rack 7 of boring bar composite set, and its:
Said work mounting s holder assembly 2 comprises that 2 difference can be fixed on vee-block 2-2 and flexible tightening part chain 2-3 on the supporting base 2-1 along the supporting base 2-1 of lathe bed 1 length direction slip fixation; And 2 vee-block 2-2 are on the same axis, and the end of flexible tightening part chain 2-3 is fixedly connected with vee-block 2-2 one side, and its other end is through coating fastening workpiece 12 outer surfaces and removable fixed connection of vee-block 2-2 opposite side (shown in accompanying drawing 7);
Said main transmission box 3 comprises the casing 3-1 that is fixedly connected with lathe bed 1, is arranged in the secondary 3-2 of under drive gear in the casing 3-1, the first variable speed electric motors, particularly 3-3 and the boring bar driving-disc 3-4 that are fixedly connected with casing 3-1 and accept digital control implement control; The power output shaft of the first variable speed electric motors, particularly 3-3 is connected with the power input shaft of secondary 3-2 of under drive gear is coaxial; The power output gear 3-2-1 of secondary 3-2 of under drive gear is connected with actuating sleeve 3-2-2 key, and actuating sleeve 3-2-2 is fixedly connected through several screws are removable with boring bar driving-disc 3-4;
Said boring bar composite set 4 comprises hollow boring bar 4-1, and 2 drive boring bars rotation keyway subcomponent 4-2,2 boring cutter slide block assembly 4-3 and boring cutter fixed block assembly 4-4; Said boring bar 4-1 concentric arrangement is in the endoporus of boring bar driving-disc 3-4 and be mutually and be slidingly matched; Said 2 driving boring bar rotation keyway subcomponent 4-2 evenly arrange along boring bar 4-1 circumferencial direction; It is located at the keyway 4-2-1 on the boring bar driving-disc 3-4; Be slidingly matched along the axial arranged long key 4-2-2 that is connected of boring bar 4-1, and make boring bar 4-1 and boring bar driving-disc 3-4 rotate synchronously; Said 2 boring cutter slide block assembly 4-3; Along boring bar 4-1 circumferencial direction evenly arrange and with drive boring bar rotation keyway subcomponent 4-2 and stagger, its boring cutter slide block 4-3-1 and the boring cutter slide block moving guide rail seat 4-3-2 that is connected with boring bar 4-1 and arrange vertically are equipped with to be and are slidingly matched and can move vertically; The boring cutter 4-4-1 of said boring cutter fixed block assembly 4-4 and boring cutter fixed block 4-4-2 attaching; Boring cutter fixed block 4-4-2 is connected with boring cutter slide block 4-3-1 through the set slotted hole of tapered wedges 4-4-4 by screw 4-4-3; Its boring cutter radial displacement adjustment screw 4-4-5; Screw and the tapered wedges 4-4-4 end set through boring cutter slide block 4-3-1 end side surface are rotationally connected, thereby constitute boring cutter radial feed adjusting device; Turn boring cutter radial displacement adjustment screw 4-4-5 can adjust the radial feed position of boring cutter 4-4-1;
Said boring cutter slide block driving and reversing mechanism 5 comprises boring cutter slide block advance and retreat slide unit 5-1, and the boring cutter slide block drives leading screw 5-2, the first leading screw seat 5-3 that is connected with slide unit base 5-5 rearward end and accept the second variable speed electric motors, particularly 5-4 that digital control implement is controlled; Said boring cutter slide block advance and retreat slide unit 5-2 is with the slide unit base 5-5 that is connected with lathe bed 1 and is slidingly matched; The boring cutter slide block drives leading screw 5-2 and twists and connect with the first clever 5-6 that lives that is connected with boring cutter slide block advance and retreat slide unit 5-1, and its rear end is with second variable speed electric motors, particularly 5-4 is coaxial is connected, and the first leading screw seat 5-3 and boring cutter slide block driving leading screw 5-2 are axis hole movingly; The set axial groove 6-7-1 of rear end minor axis 6-7 that said boring cutter slide block 4-3-1 passes the rear end boring bar advance and retreat slide unit 6-1 is connected with boring cutter slide block advance and retreat slide unit 5-1 and turns; Drive the second variable speed electric motors, particularly 5-4 and can make boring cutter slide block 4-3-1, realize workpiece cutting axial feed along boring bar 4-1 axial displacement;
The driving and reversing mechanism 6 of said boring bar composite set comprises boring bar advance and retreat slide unit 6-1, and boring bar drives leading screw 6-2, second leading screw seat 6-3 that is connected with slide unit base 5-5 rearward end and the 3rd variable speed electric motors, particularly 6-4 that accepts digitial controller control; Said boring bar advance and retreat slide unit 6-1 is with the slide unit base 5-5 that is connected with lathe bed 1 and is slidingly matched; Boring bar drives leading screw 6-2 and twists and connect with the second clever 6-5 that lives that is connected with boring bar advance and retreat slide unit 6-1, and its rear end is with the 3rd variable speed electric motors, particularly 6-4 is coaxial is connected, and the second leading screw seat 6-3 and boring bar driving leading screw 6-2 are axis hole movingly; Said boring bar advance and retreat slide unit 6-1 is movingly with boring bar 4-1 rear end and is connected; Driving the 3rd variable speed electric motors, particularly 6-4 can make boring bar 4-1 axially realize that along it advance and retreat move and make things convenient for the loading and unloading of workpiece;
Said boring bar front rack assembly 7 comprises the bearer carrier 7-1 that is connected with lathe bed 1 sliding fit, the front rack 7-2 that is fixedly connected with bearer carrier 7-1; Said front rack 7-2 is rotating with boring bar 4-1 front end and is connected.
Have under the condition that cooperates apart from axis hole when boring bar 4-1 is with boring bar driving-disc 3-4, also comprise boring bar center adjustment assembly 8; Said boring bar center adjustment assembly 8 has 4; 4 boring bar center adjustment assemblies 8 are evenly arranged along boring bar driving-disc 3-4 endoporus circumferencial direction; Its included adjustment piece 8-1 is under the effect of adjustment screw 8-2; Can be along boring cutter driving-disc 3-4 radial displacement, the bottom surface of adjustment piece 8-1 be with boring bar 4-1 cylindrical with the radius arc shape; Adjustment through said boring bar center adjustment assembly 8 can make boring bar 3-4 and boring bar driving-disc 3-4 be on the same central axis.
And being connected movingly of the boring bar of the driving and reversing mechanism 6 of said boring bar composite set advance and retreat slide unit 6-1 and boring bar 4-1 rear end; Be that boring bar 4-1 axially is connected with boring bar 4-1 through back end connection 6-6; Back end connection 6-6 axially is connected with rear end minor axis 6-7, and rear end minor axis 6-7 is connected through bearing 6-8 and boring bar advance and retreat slide unit 6-1 movingly.
Also comprise cooling device 9; Movingly and the slide block connecting axle 5-1-1 that is connected with boring cutter slide block 4-3-1 of said cooling device 9 and boring cutter slide block advance and retreat slide unit 5-1 and boring cutter slide block 4-3-1 is set vertically and gas or liquid cooling medium passage perforation each other constitute; And boring cutter 4-4-1 cutter head position is pointed in the outlet of the set said passage of boring cutter slide block 4-3-1; The import of the said passage that rear end slide block connecting axle 5-1-1 is set can be connected with cooling medium gas source or fluid supply pipeline.
And said boring bar front rack assembly 7 also comprises the preceding external member 7-3 of boring bar, outer conehead spare 7-4, internal taper hole spare 7-5, internal member 7-6 and holding screw 7-7; External member 7-3 is dynamically connected through bearing and boring bar 4-1 before the said boring bar; Outer conehead spare 7-4 is connected with the preceding external member 7-3 axial bolt of boring bar; Internal taper hole spare 7-5 is connected with front rack 7-2 axial bolt; And the attaching that matches with the conehead of outer conehead spare 7-4 of the taper hole of internal taper hole spare 7-5, internal member 7-6 is connected with front rack 7-2 axis hole attachment screw, and holding screw 7-7 twists mutually with the set screw of outer conehead spare 7-4 through the center through hole of internal member 7-6 and connects; The holding screw 7-7 that comes loose can make boring bar 4-1 and front rack 7-2 divide and open.
And the said first variable speed electric motors, particularly 3-3, the second variable speed electric motors, particularly 5-4 and the 3rd variable speed electric motors, particularly 6-4, the three is variable-frequency motor or servomotor.
And the secondary 3-2 of under drive gear of said main transmission box 3 is three grades of under drive gear pairs, and passes through the speed governing of the first variable speed electric motors, particularly 3-3, and the rotating speed of its boring bar driving-disc 3-4 is in 50 ~ 350RPM scope.
And secondary 4-2 of the driving boring bar of said boring bar composite set 4 rotation keyway is that linear spherical guide is secondary; And the guide rail 4-2-1 of said linear secondary 4-2 of spherical guide is fixedly connected with boring bar 4-1; Its track base 4-2-2 partly imbeds in the boring bar 4-1; And its another part is with the left and right holder 4-2-3 that is fixedly connected with boring bar driving-disc 3-4 and is slidingly matched; Through twisting the slotted hole that connects and pass through track base tapered wedges 4-2-6 with the screw of track base tapered wedges base plate 4-2-5,3-4 is connected track base 4-2-2 with the boring bar driving-disc by screw 4-2-4; Loosening screw 4-2-4 through promoting track base tapered wedges 4-2-6, can make said guide rail 4-2-1 and track base 4-2-2 realize that no gap precisely cooperates.
Two of the specific embodiment is shown in accompanying drawing 1 ~ 7 and 9.
A kind of workpiece endoporus process equipment, it is under the condition of the mill of will implementing the workpiece endoporus spread out, and the boring cutter fixed block 4-4-2 of the boring cutter fixed block assembly 4-4 that said boring bar composite set 4 is included is horizontal boss and groove fit bonding connection with emery stick 4-4-6.In addition, other is all as one of specific embodiment.
Three of the specific embodiment is shown in accompanying drawing 1 ~ 8.
A kind of workpiece endoporus process equipment, it also comprises boring head (not drawing among the figure) when will further improving under the condition of working (machining) efficiency; Said boring head is connected with boring cutter slide block 4-3-1, and the included boring cutter fixed block 4-4-2 of said boring cutter radial feed adjusting device is connected (not going out accompanying drawing) with boring head.In addition, other is all as one of specific embodiment.
The concise and to the point description of the actual use of the utility model is; At first pass through the driving and reversing mechanism 6 of boring cutter slide block driving and reversing mechanism 5 and boring bar composite set; Boring bar composite set 4 is withdrawed from backward, lift clamping workpiece 12 then, restart main transmission box 3; Then again boring bar 4-1 is pushed forward into the endoporus of workpiece 12, restarts boring cutter slide block driving and reversing mechanism 5 and implement endoporus boring processing by technological requirement.After the end to be processed, withdraw from boring bar 4-1 and unload the workpiece that processes, promptly accomplish processing tasks.
The utility model first sample trial effect shows, its boring machining accuracy can reach＞and 7 grades, the comparable generic stereotype boring machine processing of the working (machining) efficiency of the big workpiece of same draw ratio improves 15 ~ 20%, obtains very obvious effects.
Claims (10)
1. a workpiece endoporus process equipment comprises lathe bed (1), work mounting s holder assembly (2); Main transmission box (3), boring bar composite set (4), boring cutter slide block driving and reversing mechanism (5); Driving and reversing mechanism of boring bar composite set (6) and boring bar front rack (7) is characterized in that:
Said work mounting s holder assembly (2) comprises that 2 difference can be fixed on vee-block (2-2) and flexible tightening part (2-3) on the supporting base (2-1) along the supporting base (2-1) of lathe bed (1) length direction slip fixation; And 2 vee-blocks (2-2) are on the same axis, and an end of flexible tightening part (2-3) is fixedly connected with vee-block (2-2) side, and its other end is through coating fastening workpiece (12) outer surface and removable fixed connection of vee-block (2-2) opposite side;
Said main transmission box (3); Comprise the casing (3-1) that is fixedly connected with lathe bed (1); Be arranged in the under drive gear secondary (3-2) in the casing (3-1), first variable speed electric motors, particularly (3-3) and the boring bar driving-disc (3-4) that are fixedly connected with casing (3-1) and accept digital control implement control; The coaxial connection of power input shaft of the power output shaft of first variable speed electric motors, particularly (3-3) and under drive gear secondary (3-2); The power output gear (3-2-1) of under drive gear secondary (3-2) is connected with actuating sleeve (3-2-2) key, and actuating sleeve (3-2-2) is connected with boring bar driving-disc (3-4) screw;
Said boring bar composite set (4) comprises hollow boring bar (4-1), and at least 2 drive boring bar rotation keyway subcomponent (4-2), at least 2 boring cutter slide block assemblies (4-3) and boring cutter fixed block assembly (4-4); Said boring bar (4-1) concentric arrangement is in the endoporus of boring bar driving-disc (3-4) and be mutually and be slidingly matched; Said at least 2 driving boring bar rotation keyway subcomponents (4-2) are evenly arranged along boring bar (4-1) circumferencial direction; It is located at the keyway (4-2-1) on the boring bar driving-disc (3-4); Be slidingly matched along the axial arranged long key (4-2-2) that is connected of boring bar (4-1), and make the rotation synchronously of boring bar (4-1) and boring bar driving-disc (3-4); Said at least 2 boring cutter slide block assemblies (4-3); Along boring bar (4-1) circumferencial direction evenly arrange and with drive boring bar rotation keyway subcomponent (4-2) and stagger, its boring cutter slide block (4-3-1) and the boring cutter slide block moving guide rail seat (4-3-2) that is connected with boring bar (4-1) and arrange vertically are equipped with to be and are slidingly matched and can move vertically; The boring cutter (4-4-1) of said boring cutter fixed block assembly (4-4) and boring cutter fixed block (4-4-2) attaching; Boring cutter fixed block (4-4-2) is connected with boring cutter slide block (4-3-1) through the set slotted hole of tapered wedges (4-4-4) by screw (4-4-3); Its boring cutter radial displacement adjustment screw (4-4-5), being rotationally connected through set screw of boring cutter slide block (4-3-1) end side surface and tapered wedges (4-4-4) end constitutes boring cutter radial feed adjusting device; Turn boring cutter radial displacement adjustment screw (4-4-5) can be adjusted the radial feed position of boring cutter (4-4-1);
Said boring cutter slide block driving and reversing mechanism (5); Comprise boring cutter slide block advance and retreat slide unit (5-1); The boring cutter slide block drives leading screw (5-2), the first leading screw seat (5-3) that is connected with slide unit base (5-5) rearward end and accept second variable speed electric motors, particularly (5-4) that digital control implement is controlled; Said boring cutter slide block advance and retreat slide units (5-1) are with the slide unit base (5-5) that is connected with lathe bed (1) and are slidingly matched; The boring cutter slide block drives leading screw (5-2) and stubborn the connecing of first spirit alive (5-6) that is connected with boring cutter slide block advance and retreat slide units (5-1); And its rear end and coaxial connection of second variable speed electric motors, particularly (5-4), the first leading screw seat (5-3) drives leading screw (5-2) with the boring cutter slide block and is axis hole movingly; Said boring cutter slide block (4-3-1) rear end is passed boring bar advance and retreat slide units (6-1) and is connected with boring cutter slide block advance and retreat slide units (5-1) and turns; Drive second variable speed electric motors, particularly (5-4) and can make boring cutter slide block (4-3-1), realize workpiece cutting axial feed along boring bar (4-1) axial displacement;
The driving and reversing mechanism of said boring bar composite set (6); Comprise boring bar advance and retreat slide unit (6-1); Boring bar drives leading screw (6-2), the second leading screw seat (6-3) that is connected with slide unit base (5-5) rearward end and accept the 3rd variable speed electric motors, particularly (6-4) that digitial controller is controlled; Said boring bar advance and retreat slide units (6-1) are with the slide unit base (5-5) that is connected with lathe bed (1) and are slidingly matched; Boring bar drives leading screw (6-2) and stubborn the connecing of second spirit alive (6-5) that is connected with boring bar advance and retreat slide units (6-1), and its rear end and coaxial connection of the 3rd variable speed electric motors, particularly (6-4), the second leading screw seat (6-3) drives leading screw (6-2) with boring bar and is axis hole movingly; Said boring bar advance and retreat slide units (6-1) are movingly and are connected with boring bar (4-1) rear end; Driving the 3rd variable speed electric motors, particularly (6-4) can make boring bar (4-1) axially realize that along it advance and retreat move and make things convenient for the loading and unloading of workpiece;
Said boring bar front rack assembly (7) comprises the bearer carrier (7-1) that is connected with lathe bed (1) sliding fit, the front rack (7-2) that is fixedly connected with bearer carrier (7-1); Said front rack (7-2) is rotating with boring bar (4-1) front end and is connected.
2. workpiece endoporus process equipment according to claim 1 is characterized in that, has under the condition that cooperates apart from axis hole when boring bar (4-1) is with boring bar driving-disc (3-4), also comprises boring bar center adjustment assembly (8); Said boring bar center adjustment assembly (8) has 3 at least; At least 3 boring bar center adjustment assemblies (8) are evenly arranged along boring bar driving-disc (3-4) endoporus circumferencial direction; Its included adjustment piece (8-1) is under the effect of adjustment screw (8-2); Can be along boring cutter driving-disc (3-4) radial displacement, the bottom surface of adjustment piece (8-1) be with boring bar (4-1) cylindrical with the radius arc shape; Through the adjustment of said boring bar center adjustment assembly (8), can make boring bar (3-4) and boring bar driving-disc (3-4) be on the same central axis.
3. workpiece endoporus process equipment according to claim 1; It is characterized in that; The boring bar advance and retreat slide units (6-1) of the driving and reversing mechanism of said boring bar composite set (6) and being connected movingly of boring bar (4-1) rear end; Be that boring bar (4-1) axially is connected with boring bar (4-1) through back end connection (6-6), back end connection (6-6) axially is connected with rear end minor axis (6-7), and rear end minor axis (6-7) is connected through bearing (6-8) and boring bar advance and retreat slide units (6-1) movingly; The inner hole wall of the minor axis in the rear end (6-7) is provided with vertically and can holds the axial groove (6-7-1) that boring cutter slide block (4-3-1) passes through.
4. workpiece endoporus process equipment according to claim 3 is characterized in that, also comprises cooling device (9); Said cooling device (9) is made up of and slide block connecting axle (5-1-1) that is connected with boring cutter slide block (4-3-1) movingly with boring cutter slide block advance and retreat slide units (5-1) and boring cutter slide block (4-3-1) both set vertically and gas or liquid cooling medium passages perforation each other; And boring cutter (4-4-1) cutter head position is pointed in the outlet of the set said passage of boring cutter slide block (4-3-1); The import of the said passage that rear end slide block connecting axle (5-1-1) is set can be connected with cooling medium gas source or fluid supply pipeline.
5. workpiece endoporus process equipment according to claim 1; It is characterized in that; Said boring bar front rack assembly (7) also comprises the preceding external member (7-3) of boring bar, outer conehead spare (7-4), internal taper hole spare (7-5), internal member (7-6) and holding screw (7-7); External member (7-3) is dynamically connected through bearing and boring bar (4-1) before the said boring bar; Outer conehead spare (7-4) is connected with preceding external member (7-3) axial bolt of boring bar; Internal taper hole spare (7-5) is connected with front rack (7-2) axial bolt; The attaching and the taper hole of internal taper hole spare (7-5) matches with the conehead of outer conehead spare (7-4); Internal member (7-6) is connected with front rack (7-2) axis hole attachment screw, and holding screw (7-7) is twisted mutually with the set screw of outer conehead spare (7-4) through the center through hole of internal member (7-6) and connect; The holding screw (7-7) that comes loose can make boring bar (4-1) and front rack (7-2) separate.
6. workpiece endoporus process equipment according to claim 1 is characterized in that, said first variable speed electric motors, particularly (3-3), second variable speed electric motors, particularly (5-4) and the 3rd variable speed electric motors, particularly (6-4), and the three is variable-frequency motor or servomotor.
7. workpiece endoporus process equipment according to claim 1 is characterized in that, the driving boring bar rotation keyway secondary (4-2) of said boring bar composite set (4) is that linear spherical guide is secondary; And the guide rail (4-2-1) of said linear spherical guide secondary (4-2) is fixedly connected with boring bar (4-1); Its track base (4-2-2) part is imbedded in the boring bar (4-1); And its another part is with the left and right holder (4-2-3) that is fixedly connected with boring bar driving-disc (3-4) and is slidingly matched; Through twisting the slotted hole that connects and pass through track base tapered wedges (4-2-6) with the screw of track base tapered wedges base plate (4-2-5), (3-4) is connected track base (4-2-2) with the boring bar driving-disc by screw (4-2-4); Loosening screw (4-2-4) through promoting track base tapered wedges (4-2-6), can make said guide rail (4-2-1) and track base (4-2-2) realize that no gap precisely cooperates.
8. workpiece endoporus process equipment according to claim 1; It is characterized in that; Under the condition of the mill of will implementing the workpiece endoporus spread out; The boring cutter fixed block (4-4-2) of the boring cutter fixed block assembly (4-4) that said boring bar composite set (4) is included is horizontal boss and groove fit bonding connection with emery stick (4-4-6).
9. workpiece endoporus process equipment according to claim 1; It is characterized in that; The under drive gear of said main transmission box (3) secondary (3-2); Be three grades of under drive gear pairs, and pass through the speed governing of first variable speed electric motors, particularly (3-3), the rotating speed of its boring bar driving-disc (3-4) is in 50 ~ 350RPM scope.
10. workpiece endoporus process equipment according to claim 1 is characterized in that, also comprises boring head (10); Said boring head (10) is connected with boring cutter slide block (4-3-1), and the included boring cutter fixed block (4-4-2) of said boring cutter radial feed adjusting device is connected with boring head (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202734143U CN202212609U (en) | 2011-07-29 | 2011-07-29 | Inner hole machining equipment for workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202734143U CN202212609U (en) | 2011-07-29 | 2011-07-29 | Inner hole machining equipment for workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202212609U true CN202212609U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202734143U Expired - Lifetime CN202212609U (en) | 2011-07-29 | 2011-07-29 | Inner hole machining equipment for workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202212609U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284719A (en) * | 2011-07-29 | 2011-12-21 | 常州宝菱重工机械有限公司 | Workpiece inner hole processing equipment |
| CN103691989A (en) * | 2013-12-03 | 2014-04-02 | 无锡桥联数控机床有限公司 | Square ram middle section bearing seat processing tool structure |
| CN104439371A (en) * | 2014-10-30 | 2015-03-25 | 东莞市青麦田数码科技有限公司 | Cylinder block thrust ring surface machine |
| CN105642937A (en) * | 2016-03-08 | 2016-06-08 | 三峡大学 | Automatic boring equipment for bush and machining method |
-
2011
- 2011-07-29 CN CN2011202734143U patent/CN202212609U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284719A (en) * | 2011-07-29 | 2011-12-21 | 常州宝菱重工机械有限公司 | Workpiece inner hole processing equipment |
| CN103691989A (en) * | 2013-12-03 | 2014-04-02 | 无锡桥联数控机床有限公司 | Square ram middle section bearing seat processing tool structure |
| CN104439371A (en) * | 2014-10-30 | 2015-03-25 | 东莞市青麦田数码科技有限公司 | Cylinder block thrust ring surface machine |
| CN105642937A (en) * | 2016-03-08 | 2016-06-08 | 三峡大学 | Automatic boring equipment for bush and machining method |
| CN105642937B (en) * | 2016-03-08 | 2017-12-12 | 三峡大学 | A kind of automatic boring equipment of bushing and processing method |
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