CN101804471B - Special machine tool and method for boring double-support hole of spinning spindle elastic pipe combining member - Google Patents

Special machine tool and method for boring double-support hole of spinning spindle elastic pipe combining member Download PDF

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CN101804471B
CN101804471B CN2010101049110A CN201010104911A CN101804471B CN 101804471 B CN101804471 B CN 101804471B CN 2010101049110 A CN2010101049110 A CN 2010101049110A CN 201010104911 A CN201010104911 A CN 201010104911A CN 101804471 B CN101804471 B CN 101804471B
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main shaft
vee
block
oil pocket
machine tool
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CN101804471A (en
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李蓓智
刘向东
向樟松
王庆霞
江小辉
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Donghua University
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Donghua University
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Abstract

The invention relates to a special machine tool and a method for boring a double-support hole of a spinning spindle elastic pipe combining member. The special machine tool comprises a main shaft system, a left knife rest distributing device, a right knife rest distributing device, a machine tool body, an operating panel and an electric control cabinet, wherein the main shaft system is installed in the very center of the machine tool body; a left vertical and horizontal sliding table device and a right vertical and horizontal sliding table device at the left side and the right side of the main shaft system are installed on the machine tool body; the left knife rest distributing device is installed on the left vertical and horizontal sliding table device, and the right knife rest distributing device is installed on the right vertical and horizontal sliding table device; the electric control cabinet is used for controlling the running of the special machine tool; and the operating panel is connected with the electric control cabinet. By using the excircle with larger diameter of the elastic pipe combining member as a positioning reference, after the special machine tool is self-adaptively positioned and clamped by a special camp, the precise boring of a double-support hole is simultaneously finished, the processing precision is improved, and the precision requirement for concentricity of the double-support hole of the high-speed spinning spindle elastic pipe combining member is ensured, thereby achieving the aim of improving the processing quality of yarn.

Description

The boring special purpose machine tool and the method for spinning spindle elastic conjunction double-support hole
Technical field
The present invention relates to the accurate manufacturing of textile machine field, particularly relate to a kind of boring lathe and method of spinning spindle elastic conjunction double-support hole.
Background technology
China's textile machine equipment technology lags behind external industrialized country greatly; The critical equipment dependence on import of many medium-to-high grade textile fiber processing; At present; At the textile fiber process unit of the most enterprise application of China from domestic manufacturing enterprise since critical equipment or key components and parts of low grade, quality problems are many, had a strong impact on the quality of textile and the international competitiveness of high-end product.Yarn-spinning spindle is the basis and the core component of frame equipment, is one of key element that influences spinning quality and output thereof, plays a part very important to the development of textile industry.Vibration amplitude of spindle is the spindle important parameter in the process that runs up, and it plays decisive role to yarn quality.Amplitude is more little, and the effect of resultant yarn is good more; Amplitude is big more, and the effect of resultant yarn is also poor more.Spindle is made up of many parts, and like spindle blade, wharve and rolling bearing etc., wherein the performance of any one parts all possibly have influence on the service behaviour of spindle.And the last lower support coaxiality error on the elastic tube conjunction causes the key factor of spindle vibration especially; Because itself there is coaxiality error in each part; After combining when being press-fitted with elastic tube at the bottom of the ingot, adopting straight cylindrical interference fit press-fit to connect with top chock again, just produced coaxiality error between the upper and lower supporting.When the coaxiality error of upper and lower supporting acquires a certain degree, at the bottom of spindle blade insertion ingot, will force lower support crooked; Change the gap length between each circle of wind spring, the inhomogeneous shock attenuation result that will influence oil-film damping of oil film thickness, even produce the oil film exciting; Increase the amplitude of spindle, simultaneously, spindle blade will swash; Its down sharp sphere breaks away from concave spherical surface at the bottom of ingot, contact and running on ingot base cone face, cause the aggravation of ingot point heel and toe wear, spindle is shaken the head and on phenomenon such as scurry; Because spindle blade contacts with the improper of upper and lower supporting, the cylindrical roller axis of upper bearing (metal) is crooked, with spindle blade axis shape at an angle; Roller and spindle blade only are that the middle part contacts, with outer shroud then be two end in contact, this situation very easily causes the upper support lubricating oil film to break; Each relative motion surface causes work softening because of the heat that friction is produced; Contact adhesion is shifted, come off then and become abrasive dust, final wearing and tearing aggravation, power consumption increase, noise increases and shorten service life.Because bolster school timing, elastic tube can buckle, ingot base cone axially bored line and upper support axis also can shape at an angle.When spindle blade inserts the bolster running; Spindle blade is dipped in lubricating oil in elastic tube and ingot base cone hole part just is analogous to the rotating axle journal of sliding bearing high speed; Axle journal will cause the oil film between spindle blade and elastic tube or ingot base cone hole to produce oil hammer to the off normal of bearing centre; Become the key factor that excites spindle self-excited vibration, all these will cause very big adverse effect to spinning production and quality.
Summary of the invention
Technical problem to be solved by this invention provides a kind of boring special purpose machine tool and method of spinning spindle elastic conjunction double-support hole; To reduce and to avoid the influence of reasons such as size and the morpheme error of high-speed spinning spindle bullet property duct ligation component poor rigidity, operation blank is big to its double-support hole coaxial accuracy etc.; With improve greatly high-speed spinning spindle bullet property duct ligation component machining accuracy; Especially obtain high coaxial accuracy; Thereby satisfy the quality requirement of high-grade textile chemical fiber critical equipment or key components and parts, improve the class of textile chemical fiber product, improve the quality of China's textile and the international competitiveness of high-end product.
The technical solution adopted for the present invention to solve the technical problems is: the boring lathe that a kind of spinning spindle elastic conjunction double-support hole is provided; Comprise axis system, left bank cutter holder device, right gang feed tool rack device, lathe bed, guidance panel and electrical control cabinet, described axis system (1) comprises main shaft driving device, special fixture, hydraulic manifold block device and bracing or strutting arrangement; Described axis system is installed in the centre of described lathe bed; The lathe bed on the described axis system left side is provided with left side slide rest device in length and breadth, and the lathe bed on the right is provided with right side slide rest device in length and breadth; Described left bank cutter holder device is installed in a described left side in length and breadth on the slide rest device, and described right gang feed tool rack device is installed in the described right side in length and breadth on the slide rest device; Described electrical control cabinet is used to control the running of described lathe; Described guidance panel links to each other with described electrical control cabinet.
Described main shaft driving device comprises motor, first belt wheel, second belt wheel, V-belt and axle pastern branch; Described motor is fixed on the described lathe bed, and is connected with described first belt wheel through electric machine main shaft; Described first belt wheel is connected through described V-belt with second belt wheel; Described second belt wheel drives described axle pastern branch and rotates; Described axle pastern branch comprises main shaft, clutch shaft bearing, second bearing, the first location jacket casing and the second location jacket casing, and described main shaft passes described clutch shaft bearing, the first location jacket casing, second belt wheel, the second location jacket casing and second bearing successively; Have first hydraulic circuit and second hydraulic circuit in the described main shaft; Described bracing or strutting arrangement comprises support and overspread, left shaft holder that described support is provided with and right bearing seat; Described clutch shaft bearing is arranged in described right bearing seat, and described second bearing is arranged in described left shaft holder; Described overspread is installed in the left side of left shaft holder; Described special fixture and hydraulic manifold block device are embedded in the described main shaft driving device; Described special fixture comprises the first unsteady vee-block, the second unsteady vee-block, clamp mechanism, location vee-block; Described hydraulic manifold block device comprises that fuel feeding dish, first oil pocket form cover, second oil pocket forms cover, left cap, right cap and sealing ring; Described location vee-block is fixed on the valve body sliding tray below on described main shaft right side; Described clamp mechanism comprises float V-arrangement briquetting, valve body and pin; Described clamp mechanism is contained in the valve body sliding tray on described main shaft right side, and is relative with described location vee-block; On the described first unsteady vee-block two described sealing rings are housed, on the described second unsteady vee-block two described sealing rings are housed; The described first unsteady vee-block and the second unsteady vee-block are contained in the valve body sliding tray in described main shaft left side; Described second oil pocket forms the valve body sliding tray periphery that cover is installed in described main shaft left side, and a formation left side is loosened oil pocket and clamped oil pocket with a left side; Described left cap is installed in the left side that described second oil pocket forms cover; Two described sealing rings are housed on the described clamp mechanism; Described first oil pocket forms the valve body sliding tray periphery that cover is installed in described main shaft right side, forms the right side and loosens oil pocket and the right oil pocket that clamps; Described right cap is installed in the right side that described first oil pocket forms cover; Described fuel feeding dish is contained in the right side of described right bearing seat; Be processed with first oil supply tank and second oil supply tank on the described fuel feeding dish; Be provided with three described sealing rings in the annular groove of described fuel feeding dish; Described first oil supply tank clamps oil pocket and the right oil pocket that clamps with a described left side respectively through described first hydraulic circuit, and described second oil supply tank loosens oil pocket with a described left side respectively through described second hydraulic circuit and loosens oil pocket with the right side and link to each other.
Described unsteady V-arrangement briquetting links to each other with described valve body through pin.
The unsteady V-arrangement briquetting of the boring special purpose machine tool of described spinning spindle elastic conjunction double-support hole, the first unsteady vee-block and the second unsteady vee-block adopt hydro-cushion and control.
The overspread of the boring special purpose machine tool of described spinning spindle elastic conjunction double-support hole links to each other with described left shaft holder through bolt; Described fuel feeding dish links to each other with described right bearing seat through bolt.
The right cap of the boring special purpose machine tool of described spinning spindle elastic conjunction double-support hole forms cover with first oil pocket and links to each other with described main shaft through bolt; Described left cap forms cover with second oil pocket and links to each other with described main shaft through bolt.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method of using the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole also is provided, may further comprise the steps:
(1) is positioning reference with the larger-diameter cylindrical of elastic tube conjunction, the elastic tube conjunction is placed in the special fixture in the middle of the main shaft positions and clamp;
(2) starter motor is done high speed rotary motion by the driven by motor main shaft;
(3) carry out radial and axial feeding simultaneously by two boring cutters on the drive of the slide rest device in length and breadth gang feed tool rack device at lathe two ends, accomplish the accurate boring of elastic tube conjunction double-support hole.
Described step (1) also comprises following substep:
A) in second oil supply tank, feed hydraulic oil, float vee-block and the unsteady V-arrangement briquetting of vee-block, second that float of first in the special fixture shifted out to the opposite direction at its center respectively;
B) centre bore of elastic tube conjunction from right cap inserted the main shaft, and larger-diameter cylindrical in the elastic tube conjunction is placed on the vee-block of location;
C) with the hydraulic oil off-load in second oil supply tank, in first oil supply tank, feed hydraulic oil again, make unsteady V-arrangement briquetting in the special fixture earlier, until placing the elastic tube conjunction on the vee-block of location to clamp to its center position shift-in; And then make the first unsteady vee-block and second float vee-block, and carry out adaptive assist location and clamping based on the actual outer shape and the attitude of elastic tube conjunction simultaneously to its center position shift-in.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect: once mounting elastic tube conjunction; And the processing of two (two) supported holes of completion simultaneously; Improve machining accuracy, guaranteed the axiality of high-speed spinning spindle bullet property duct ligation component double-support hole, thereby improved the stable working property of high-speed spinning spindle; Reached the purpose that improves textile chemical fiber yarn crudy and products thereof class, but also can enhance productivity.The inventive method, technology and equipment and theory thereof equally also are applicable to the precision and the highly-efficient processing of the little rigid member of other thin-walled.
Description of drawings
Fig. 1 is the sketch map of special purpose machine tool of the present invention;
Fig. 2 is an axis system master pseudosection of the present invention;
Fig. 3 is along B-B line cutaway view among Fig. 2;
Fig. 4 is along A-A line cutaway view among Fig. 2;
Fig. 5 is the vertical view of axis system of the present invention;
Fig. 6 is the right view of axis system of the present invention;
Fig. 7 is the left view of axis system of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment of the present invention relates to a kind of boring special purpose machine tool of spinning spindle elastic conjunction double-support hole; As shown in Figure 1; Comprise axis system 1, left bank cutter holder device 3, right gang feed tool rack device 2, lathe bed 6, guidance panel 7 and electrical control cabinet 8, described axis system 1 is installed in the centre of described lathe bed 6; The lathe bed 6 on described axis system 1 left side is provided with left side slide rest device 5 in length and breadth, and the lathe bed on the right is provided with right side slide rest device 4 in length and breadth; Described left bank cutter holder device 3 is installed in a described left side in length and breadth on the slide rest device 5, and described right gang feed tool rack device 2 is installed in the described right side in length and breadth on the slide rest device 4; Described electrical control cabinet 8 is used to control the running of described lathe; Described guidance panel 7 links to each other with described electrical control cabinet 8.
Like Fig. 2-shown in Figure 7, described axis system 1 comprises main shaft driving device, special fixture, hydraulic manifold block device and bracing or strutting arrangement; Described main shaft driving device comprises motor 40, first belt wheel 41, second belt wheel 43, V-belt 42 and axle pastern branch; Described motor 40 is fixed on the described lathe bed 6, and is connected with described first belt wheel 41; Described first belt wheel 41 is connected through described V-belt 42 with second belt wheel 43; Described second belt wheel 43 drives described axle pastern branch and rotates; Described axle pastern branch comprises main shaft 21, clutch shaft bearing 12, second bearing 9, the first location jacket casing 11 and the second location jacket casing 10, and described main shaft 21 passes described clutch shaft bearing 12, the first location jacket casing 11, second belt wheel 43, the second location jacket casing 10 and second bearing 9 successively; Be processed with first hydraulic circuit 20 and second hydraulic circuit in the described main shaft 21, the left and right sides is processed with the valve body sliding tray, and the space of inserting elastic tube conjunction 36 is left in the centre; Described bracing or strutting arrangement comprises support 22 and overspread 47, left shaft holder that described support 22 is provided with and right bearing seat; Described clutch shaft bearing 12 is arranged in described right bearing seat, and described second bearing 9 is arranged in described left shaft holder; Described overspread 47 is installed in the left side of left shaft holder through bolt; Described bracing or strutting arrangement main support main shaft 21 is made high speed rotary motion in the clutch shaft bearing 12 and second bearing 9; Described special fixture and hydraulic manifold block device are embedded in the described main shaft driving device; Described special fixture comprises first unsteady vee-block 32, the second unsteady vee-block 37, clamp mechanism, location vee-block 31, and wherein, first unsteady vee-block 32, the second unsteady vee-block 37, the V-arrangement pressing plate that floats all adopt hydro-cushion and control; Described hydraulic manifold block device comprises that fuel feeding dish 45, first oil pocket form cover 18, second oil pocket and form cover 24, left cap 46, right cap 44 and sealing ring; On the described first unsteady vee-block 32 two sealing rings are housed, on the described second unsteady vee-block 37 two sealing rings are housed; The described first unsteady vee-block 32 and the second unsteady vee-block 37 are contained in the valve body sliding tray in described main shaft 21 left sides; Described second oil pocket forms the valve body sliding tray periphery that cover 24 is installed in described main shaft 21 left sides, and a formation left side is loosened oil pocket 33 and clamped oil pocket 23 with a left side; Described left cap 46 is installed in the left side that described second oil pocket forms cover 24, and adopts bolt that the left cap 46 and second oil pocket are formed cover 24 and fix with described main shaft 21; Described clamp mechanism is contained in the valve body sliding tray on described main shaft 21 right sides, and two sealing rings are housed; Described location vee-block 31 is fixed on the valve body sliding tray below on described main shaft 21 right sides, and is relative with described clamp mechanism; Described clamp mechanism comprises V-arrangement briquetting 30, valve body 28 and pins 29, and described V-arrangement briquetting 30 links to each other with described valve body 28 through pin 29; Described first oil pocket forms the valve body sliding tray periphery that cover 18 is installed in described main shaft 21 right sides, forms the right side and loosens oil pocket 25 and the right oil pocket 19 that clamps; Described right cap 44 is installed in the right side that described first oil pocket forms cover 18, and through bolt the right cap 44 and first oil pocket is formed cover 18 and fix with described main shaft 21; Described fuel feeding dish 45 is installed in the right side of described right bearing seat through bolt; Processing first oil supply tank 14 and second oil supply tank 16 on the described fuel feeding dish 45; Be provided with three described sealing rings in the annular groove of described fuel feeding dish 45; Described first oil supply tank 14 clamps oil pocket 23 and the right oil pocket 19 that clamps with a described left side respectively through described first hydraulic circuit 20, and described second oil supply tank 16 loosens oil pocket 33 with a described left side respectively through described second hydraulic circuit and loosens oil pocket 25 with the right side and link to each other.At length explain in the face of the assembling of lathe down.
Main mechanical assembling process when the present invention implements comprises the layout and the axis system assembling of machine tool main body.The main body of lathe is arranged as shown in Figure 1.The main mechanical assembling process of axis system comprises the assembling of main shaft driving device and the assembling of special fixture and hydraulic manifold block device, its installation diagram such as Fig. 2-and shown in Figure 7.When main shaft driving device assembles, earlier clutch shaft bearing 12 is installed in the right bearing seat hole on the support 22, then first abutment sleeve 11, second belt wheel 43 and V-belt 42 are placed between two bearing saddle bores; Make the axis of the clutch shaft bearing 12 that has installed pass this three parts; Afterwards the right side in the right bearing seat hole of main shaft 21 from support 22 is inserted the clutch shaft bearing 12 that has installed, the shaft shoulder is fitted with bearing inner race and is located, and passes first abutment sleeve 11, second belt wheel 43 and V-belt 42 these three parts successively; Adjust to position as shown in Figure 2; And then load onto second abutment sleeve, 10, the second bearings 9 successively, then first belt wheel 41 is contained on motor 40 output shafts that are fixed on the lathe bed; Again V-belt 42 is walked around first belt wheel 41 and second belt wheel 43, accomplished the main shaft driving device assembling like this.When special fixture and the assembling of hydraulic manifold block device; Earlier with sealing ring 34,35,38 and 39 respectively correspondence be set to first vee-block 32 and second that floats and float on the vee-block 37; Again two vee-block valve bodies are installed in the valve body sliding tray in main shaft left side, afterwards, refill second oil pocket and form cover 24 and left cap 46; Tighten with bolt and to get final product, form a left side and loosen oil pocket 33 and clamp oil pocket 23 with a left side.In like manner sealing ring 26 and 27 is set on the valve body 28 of clamp mechanism; The V-arrangement pressing plate that will float again installs in the valve body sliding tray on main shaft right side, afterwards, refills first oil pocket and forms cover 18 and right cap 44; Tighten with bolt and to get final product, form the right side and loosen oil pocket 25 and the right oil pocket 19 that clamps.Then sealing ring 13,15 and 17 is installed in the annular groove of fuel feeding dish 45, overspread 47 is installed to the left side of left shaft holder, fuel feeding dish 45 is installed to the right side of right bearing seat, and tighten, promptly accomplish whole assembling process with bolt.
Embodiment of the present invention also relates to the method for boring simultaneously after a kind of spinning spindle elastic conjunction double-support hole once mounting; May further comprise the steps: (1) is positioning reference with the larger-diameter cylindrical of elastic tube conjunction, the elastic tube conjunction is placed in the middle special fixture of main shaft position and clamp; (2) starter motor is done high speed rotary motion by the driven by motor main shaft, and drive elastic tube conjunction rotates; (3) carry out radially (cutting-in) and axially (feed) feeding simultaneously by two boring cutters on the drive of the slide rest device in length and breadth gang feed tool rack device at lathe two ends, accomplish the accurate boring of elastic tube conjunction double-support hole.Wherein, described step (1) also comprises following substep: a) in second oil supply tank, feed hydraulic oil, float vee-block and the unsteady V-arrangement briquetting of vee-block, second that float of first in the special fixture shifted out to the opposite direction at its center respectively; B) centre bore of elastic tube conjunction from right cap inserted the main shaft, and larger-diameter cylindrical in the elastic tube conjunction is placed on the vee-block of location; C) with the hydraulic oil off-load in second oil supply tank, in first oil supply tank, feed hydraulic oil again, make unsteady V-arrangement briquetting in the special fixture earlier, until placing the elastic tube conjunction on the vee-block of location to clamp to its center position shift-in; And then make the first unsteady vee-block and second float vee-block, and carry out adaptive assist location and clamping based on the actual outer shape and the attitude of elastic tube conjunction simultaneously to its center position shift-in.Its concrete job step is following.
When the present invention specifically works; With reference to Fig. 2-Fig. 7; First oil supply tank 14 is linked to each other with fuel tank with second oil supply tank 16, earlier in second oil supply tank 16, feeds hydraulic oil, hydraulic oil through second hydraulic circuit in the main shaft (because of second hydraulic circuit similar with first hydraulic circuit; So do not draw in the drawings) get into two and loosen oil pocket; And first float vee-block 37 and the unsteady vee-block 30 of vee-block 32, second that float shifted out to its center respectively in the other direction, this moment, sealing ring 27,34 and 35 places formed bigger liquid resistance, kept two hydraulic couplings of loosening in the oil pocket; The hydraulic oil that leaks from here gets into the corresponding oil pocket that clamps, through first hydraulic circuit 20 in the main shaft and first oil supply tank, 14 oil sump tanks.Then the centre bore of elastic tube conjunction 36 from right cap 44 inserted the main shaft 21, and elastic tube conjunction 36 larger-diameter cylindrical one ends are placed between location vee-block 31 and the unsteady V-arrangement briquetting 30 (as shown in Figure 2).Afterwards; With the hydraulic oil off-load in second oil supply tank 16; In first oil supply tank 14, feed hydraulic oil again, hydraulic oil gets into two through first hydraulic circuit 20 in the main shaft and clamps oil pockets, and first float vee-block 37 and the unsteady V-arrangement briquetting 30 of vee-block 32, second that float depressed; As positioning reference, and adopt 31 pairs of elastic tube conjunctions location of location vee-block, the V-type briquetting that floats to clamp with elastic tube conjunction 36 larger-diameter cylindricals; Adopt first vee-block 32 that floats adaptively the elastic tube conjunction other end to be carried out assist location and clamping than the minor diameter cylindrical with the second unsteady vee-block 37; This moment, sealing ring 27,34 and 35 places formed bigger liquid resistance; Keep two hydraulic couplings that clamp in the oil pocket; The hydraulic oil that leaks from here gets into and loosens oil pocket accordingly, through second hydraulic circuit in the main shaft and second oil supply tank, 16 oil sump tanks, accomplishes the installation of workpiece to this.Connect the power supply of motor 40 then; Drive main shaft 21 by motor 40 and make high speed rotary motion; When main shaft 21 reaches the appointment rotating speed; By the left side at lathe two ends in length and breadth slide rest device 5 and right slide rest device in length and breadth 4 drive left bank cutter holder device mounted thereto 3 and carry out radial and axial feeding simultaneously with two boring cutters on the right gang feed tool rack device 2, accomplish the accurate boring of double-support hole of elastic tube conjunction 36.
Be not difficult to find; Once mounting elastic tube conjunction, and accomplish the processing of double-support hole simultaneously, not only can improve machining accuracy; Especially the axiality of high-speed spinning spindle bullet property duct ligation component double-support hole; Thereby can improve the stable working property of high-speed spinning spindle, thereby reach the purpose that improves textile chemical fiber yarn crudy and products thereof class, but also can enhance productivity.
The boring method of the spinning spindle elastic conjunction double-support hole that the present invention relates to is novel; Special purpose machine tool is simple in structure, cost performance is high; Work rigidity when location and clamping means and anchor clamps can make the thin-walled flexible piece have good adaptive property and cut; Its production efficiency can be improved, the influence of reason such as size and the morpheme error of high-speed spinning spindle bullet property duct ligation component poor rigidity, operation blank be big can also be reduced and avoid its double-support hole coaxial accuracy etc.。
Need to prove that the inventive method, technology and equipment and theory thereof equally also are applicable to the precision and the highly-efficient processing of the little rigid member of other thin-walled.

Claims (8)

1. the boring special purpose machine tool of a spinning spindle elastic conjunction double-support hole; Comprise axis system (1), left bank cutter holder device (3), right gang feed tool rack device (2), lathe bed (6), guidance panel (7) and electrical control cabinet (8); It is characterized in that described axis system (1) comprises main shaft driving device, special fixture, hydraulic manifold block device and bracing or strutting arrangement; Described axis system (1) is installed in the centre of described lathe bed (6); The lathe bed (6) on described axis system (1) left side is provided with left side slide rest device (5) in length and breadth, and the lathe bed on the right is provided with right side slide rest device (4) in length and breadth; Described left bank cutter holder device (3) is installed in a described left side in length and breadth on the slide rest device (5), and described right gang feed tool rack device (2) is installed in the described right side in length and breadth on the slide rest device (4); Described electrical control cabinet (8) is used to control the running of described lathe; Described guidance panel (7) links to each other with described electrical control cabinet (8); Described special fixture comprises the first unsteady vee-block (32), the second unsteady vee-block (37), clamp mechanism, location vee-block (31); Described clamp mechanism comprises the V-arrangement briquetting (30) that floats, valve body (28) and pin (29).
2. the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole according to claim 1 is characterized in that, described main shaft driving device comprises motor (40), first belt wheel (41), second belt wheel (43), V-belt (42) and axle pastern branch; Described motor (40) is fixed on the described lathe bed (6), and is connected with described first belt wheel (41) through electric machine main shaft; Described first belt wheel (41) is connected through described V-belt (42) with second belt wheel (43); Described second belt wheel (43) drives described axle pastern branch and rotates; Described axle pastern branch comprises main shaft (21), clutch shaft bearing (12), second bearing (9), the first location jacket casing (11) and the second location jacket casing (10), and described main shaft (21) passes described clutch shaft bearing (12), the first location jacket casing (11), second belt wheel (43), second location jacket casing (10) and second bearing (9) successively; Have first hydraulic circuit (20) and second hydraulic circuit in the described main shaft (21); Described bracing or strutting arrangement comprises support (22) and overspread (47), left shaft holder that described support (22) is provided with and right bearing seat; Described clutch shaft bearing (12) is arranged in described right bearing seat, and described second bearing (9) is arranged in described left shaft holder; Described overspread (47) is installed in the left side of left shaft holder; Described special fixture and hydraulic manifold block device are embedded in the described main shaft driving device; Described hydraulic manifold block device comprises that fuel feeding dish (45), first oil pocket form cover (18), second oil pocket forms cover (24), left cap (46), right cap (44) and sealing ring; Described location vee-block (31) is fixed on the valve body sliding tray below on described main shaft (21) right side; Described clamp mechanism is contained in the valve body sliding tray on described main shaft (21) right side, and is relative with described location vee-block (31); On the described first unsteady vee-block (32) two sealing rings are housed, on the described second unsteady vee-block (37) two sealing rings are housed; The described first unsteady vee-block (32) and the second unsteady vee-block (37) are contained in the valve body sliding tray in described main shaft (21) left side; Described second oil pocket forms the valve body sliding tray periphery that cover (24) is installed in described main shaft (21) left side, and oil pocket (33) is loosened on a formation left side and a left side clamps oil pocket (23); Described left cap (46) is installed in the left side that described second oil pocket forms cover (24); Two sealing rings are housed on the described clamp mechanism; Described first oil pocket forms the valve body sliding tray periphery that cover (18) is installed in described main shaft (21) right side, forms the right side and loosens oil pocket (25) and the right oil pocket (19) that clamps; Described right cap (44) is installed in the right side that described first oil pocket forms cover (18); Described fuel feeding dish (45) is contained in the right side of described right bearing seat; Be processed with first oil supply tank (14) and second oil supply tank (16) on the described fuel feeding dish (45); Be provided with three sealing rings in the annular groove of described fuel feeding dish (45); Described first oil supply tank (14) clamps oil pocket (23) and right clamping oil pocket (19) with a described left side respectively through described first hydraulic circuit (20), and described second oil supply tank (16) loosens oil pocket (33) with a described left side respectively through described second hydraulic circuit and loosens oil pocket (25) with the right side and link to each other.
3. the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole according to claim 1 is characterized in that, described unsteady V-arrangement briquetting (30) links to each other with described valve body (28) through pin (29).
4. the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole according to claim 1 is characterized in that, described unsteady V-arrangement briquetting (30), the first unsteady vee-block (32) and the second unsteady vee-block (37) adopt hydro-cushion and control.
5. the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole according to claim 2 is characterized in that, described overspread (47) links to each other with described left shaft holder through bolt; Described fuel feeding dish (45) links to each other with described right bearing seat through bolt.
6. the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole according to claim 2 is characterized in that, described right cap (44) forms cover (18) with first oil pocket and links to each other with described main shaft (21) through bolt; Described left cap (46) forms cover (24) with second oil pocket and links to each other with described main shaft (21) through bolt.
7. a method of using the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole as claimed in claim 1 is characterized in that, may further comprise the steps:
(1) is positioning reference with the larger-diameter cylindrical of elastic tube conjunction, the elastic tube conjunction is placed in the special fixture in the middle of the main shaft (21) positions and clamp;
(2) starter motor (40) drives main shaft (21) by motor (40) and does high speed rotary motion;
(3) carry out radial and axial feeding simultaneously by two boring cutters on the drive of the slide rest device in length and breadth gang feed tool rack device at lathe two ends, accomplish the accurate boring of elastic tube conjunction double-support hole.
8. a kind of method of using the boring special purpose machine tool of spinning spindle elastic conjunction double-support hole as claimed in claim 1 according to claim 7 is characterized in that described step (1) also comprises following substep:
A) in second oil supply tank, feed hydraulic oil, float vee-block and the unsteady V-arrangement briquetting of vee-block, second that float of first in the special fixture shifted out to the opposite direction at its center respectively;
B) centre bore of elastic tube conjunction from right cap inserted the main shaft (21), and larger-diameter cylindrical in the elastic tube conjunction is placed on the vee-block of location;
C) with the hydraulic oil off-load in second oil supply tank, in first oil supply tank, feed hydraulic oil again, make unsteady V-arrangement briquetting in the special fixture earlier, until placing the elastic tube conjunction on the vee-block of location to clamp to its center position shift-in; And then make the first unsteady vee-block and second float vee-block, and carry out adaptive assist location and clamping based on the actual outer shape and the attitude of elastic tube conjunction simultaneously to its center position shift-in.
CN2010101049110A 2010-02-03 2010-02-03 Special machine tool and method for boring double-support hole of spinning spindle elastic pipe combining member Expired - Fee Related CN101804471B (en)

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CN103157825B (en) * 2013-02-21 2015-06-24 鸿特机械发展(上海)有限公司 Method of assembly and precision calibration of numerical control four-axis ring die deep hole drill machine tool
CN103302463B (en) * 2013-07-03 2016-01-06 衡阳纺织机械有限公司 A kind of elastic tube sub-assembly processing method
CN112197667B (en) * 2020-09-27 2022-08-19 长沙祥合顺管业有限公司 Straight pipe coaxiality detection device for pipeline machining
CN112247187B (en) * 2020-10-13 2022-12-27 浙江迅科精密机械有限公司 Numerical control horizontal boring machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2071653U (en) * 1990-07-11 1991-02-20 杨正中 High-speed spinning spindle using elastic bearing
CN2815563Y (en) * 2005-09-21 2006-09-13 郑州四维机电设备制造有限公司 Apparatus for integral boring after hydraulic support member welding
CN101177808A (en) * 2007-11-29 2008-05-14 衡阳纺织机械厂 Separating elastic tube high-speed spinning spindle
CN101396745A (en) * 2008-11-12 2009-04-01 东华大学 Yarn-spinning spindle supporting hole processing method and special clamp thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2071653U (en) * 1990-07-11 1991-02-20 杨正中 High-speed spinning spindle using elastic bearing
CN2815563Y (en) * 2005-09-21 2006-09-13 郑州四维机电设备制造有限公司 Apparatus for integral boring after hydraulic support member welding
CN101177808A (en) * 2007-11-29 2008-05-14 衡阳纺织机械厂 Separating elastic tube high-speed spinning spindle
CN101396745A (en) * 2008-11-12 2009-04-01 东华大学 Yarn-spinning spindle supporting hole processing method and special clamp thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平6-212506A 1994.08.02

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