CN207480076U - A kind of high speed depth boring and milling head outer of C axis any angle indexing - Google Patents

Abstract

The utility model discloses a kind of high speed depth boring and milling head outers of C axis any angle indexing, including taper shank, oil drain pan, upper box, lower box, C axis indexing mechanism, C axis braking mechanism, transmission mechanism and deep boring and milling head outer main shaft, C axis indexing mechanism includes the first drive sleeve, the second drive sleeve, spring, upper baffle ring, lower baffle ring, turntable bearing, inner ring body and draw ring body, C axis braking mechanisms are arranged between the second drive sleeve and draw ring body, for stopping C axis transposition action；Transmission mechanism is arranged on lower box, for deep boring and milling head outer main shaft passing power.The deep boring and milling head outer compact structure at a high speed can realize the High-speed machining of 5000 6000rpm, while C axis uses brake structure, it can be achieved that deep boring and milling head outer is in the indexing of C axis any angle, positioning.Deep boring and milling head outer is processed especially suitable for the deep cavity wall of lightweight material tube kind part at a high speed for this.

Description

A kind of high speed depth boring and milling head outer of C axis any angle indexing

Technical field

The utility model is related to a kind of deep boring and milling head outer, the high speed depth boring and milling head outer of specifically a kind of C axis any angle indexing.

Background technology

Deep boring and milling head outer due to its it is distinctive small, height is big the characteristics of, be suitable for the processing of deep chamber side wall, but deep boring and milling head outer The shortcomings that be that rotating speed is relatively low, be usually no more than 1000rpm.Particularly with some such as aluminum alloy materials cylindrical parts Inwall processing, the opening of this kind of part is small, high to the smoothness requirements of finished surface, needs to carry out high rotating speed processing, and general Deep boring and milling head outer can not meet the processing request of appearance and size and rotating speed requirement.

Invention content

Technical problem to be solved in the utility model is：In view of the deficiencies of the prior art, a kind of C axis any angle is provided The high speed depth boring and milling head outer of indexing, this at a high speed deep boring and milling head outer compact structure, it can be achieved that deep boring and milling head outer in C axis any angle indexing, fixed Position, the deep cavity wall especially suitable for lightweight material tube kind part are processed.

Technical solution is used by the utility model solves above-mentioned technical problem：A kind of height of C axis any angle indexing Fast depth boring and milling head outer, including taper shank, oil drain pan, upper box, lower box, C axis indexing mechanism, C axis braking mechanism, transmission mechanism and depth Boring and milling head outer main shaft, the upper end of the taper shank are connected with the main blind rivet for connecting machine tool main shaft, and the upper box is fixed on The bottom of the oil drain pan, the lower box are located at the lower section of the upper box, the deep boring and milling head outer main shaft accumbency Mounted on the bottom of the lower box, broaching tool screw, the C shaft rotations are installed in the endoporus of the deep boring and milling head outer main shaft Position mechanism includes the first drive sleeve, the second drive sleeve, spring, upper baffle ring, lower baffle ring, turntable bearing, inner ring body and draw ring body, institute The keyway that the key block that the upper end of the first drive sleeve stated is offered with machine tool chief axis bottom end is set is adapted, the described first transmission The upper end of set is connect with the lower thread of the taper shank, and second drive sleeve is set in the outer of first drive sleeve Side, the outer surface of first drive sleeve are provided with outer toothed portion, the inner surface of second drive sleeve be provided with it is described The interior teeth portion that is adapted of outer toothed portion, there is axial clearance, the upper gear between the outer toothed portion and the interior teeth portion Ring is fixed on the top of second drive sleeve, and the upper baffle ring, which is used to implement, limits the longitudinal direction of first drive sleeve , longitudinal hole is offered in first drive sleeve, the lower baffle ring is fixed on the bottom of second drive sleeve, The spring is uprightly mounted in the longitudinal hole, the top and bottom of the spring respectively with the taper shank and The lower baffle ring offsets, and second drive sleeve is fixed on the top of the lower box, the draw ring body and described Inner ring body be fixedly connected on the lower part of the upper box, the draw ring body and inner ring body difference position up and down successively In the outside of second drive sleeve, the inner ring body is connect with second drive sleeve through the turntable bearing； The C axis braking mechanisms are arranged between second drive sleeve and the draw ring body, for stopping C axis transposition actions Only；The transmission mechanism is arranged on the lower box, for the deep boring and milling head outer main shaft passing power.

The effect of spring is to pop up taper shank and main blind rivet, is limited by upper baffle ring, convenient for machine tool chief axis broaching tool pawl Main blind rivet is captured, realizes that lathe takes the lead to process.When needing to carry out C shaft rotation positions, the key block of machine tool chief axis bottom end setting is inserted into first It is driven in the keyway of set upper side, the outer toothed portion in the first drive sleeve is engaged with the interior teeth portion in the second drive sleeve, and machine tool chief axis is defeated Go out power and impart power to the first drive sleeve, then lower box is passed to by the second drive sleeve, realize C shaft rotation bit functions.C Axis brake function is realized by C axis braking mechanism, makes deep boring and milling head outer in the indexing of C axis any angle, positioning.

Preferably, the C axis braking mechanism includes brake disc, exterior ring cap, inner ring sleeve, outside friction disc and interior friction Piece, the upper box and the draw ring body surround a ring cavity, and the brake disc is mounted on the ring cavity It is interior, surround a cricoid brake oil pocket between the upper box and the upper surface of the brake disc, the brake disc with Planet sealing ring is respectively arranged between the upper box and the draw ring body, the exterior ring cap and outside friction disc are fixed On the draw ring body, the outside friction disc is located at the top of the exterior ring cap, and the inner ring sleeve is fixed on described The second drive sleeve top, the inner attrition piece is fixed on the inner ring sleeve, and the inner attrition piece is located at described Outside friction disc top, the brake disc is located at the top of the inner attrition piece；After the brake oil pocket oil return, There is the first gap between the outside friction disc and the exterior ring cap, the inner attrition piece and the outside friction disc it Between have the second gap, between the brake disc and the inner attrition piece have third space.It is carried out in C axis transposition action When, the second drive sleeve, inner ring sleeve and inner attrition piece rotate together, inner ring body, draw ring body, exterior ring cap, outside friction disc, upper box, Oil drain pan does not rotate.When needing to make the stopping of C axis transposition action, oil pocket oil inlet of braking, brake disc moves downward, and pushes down inner attrition piece With outside friction disc until outside friction disc compresses exterior ring cap, by brake disc and inner attrition piece, inner attrition piece and outside friction disc, rub outside Frictional force between pad and exterior ring cap makes the second drive sleeve stop operating, and so as to fulfill C axis brake functions, makes deep boring and milling head outer Positioning.The setting in the first gap, the second gap and third space, it can be ensured that lathe is taken the lead will not be mutual between each parts during processing Interference.

Further, the height in first gap is 0.1-0.5mm, and the height in second gap is 0.1- 0.5mm, the height of the third space is 0.1-0.5mm.

Preferably, the transmission mechanism includes servo motor, top chock, the first belt pulley and the second belt pulley, The top of the lower box is equipped with the front and rear motor cabinet be connected, and the servo motor accumbency is mounted on the motor cabinet Front end, the output shaft of the servo motor connect through flat key with the top chock, and the top chock is located at institute The inside for the motor cabinet stated, is equipped with deep groove ball bearing between the top chock and the motor cabinet, and described first Belt pulley centering is connected on the top chock, and second belt pulley centering is connected to the deep boring and milling head outer main shaft Rear end, first belt pulley connects with second belt pulley through driving belt, first belt pulley and institute The outside mask of the second belt pulley stated is equipped with protective cover, and the protective cover is fixed on the lower box.Above-mentioned driver The output speed of structure is high.During work, servo motor provides power, is passed motor power from the output shaft of servo motor by flat key Top chock is passed, then the second belt pulley is passed to by the first belt pulley and driving belt, is ultimately transferred to deep boring and milling head outer master Axis realizes the stock removal action of main shaft.Servo motor in above-mentioned transmission mechanism has main shaft function, can be used as deep boring and milling head outer main shaft Motor uses, and imparts power to deep boring and milling head outer main shaft by servo motor and belt pulley, it can be achieved that main shaft high speed rotation, so as to Realize the high-speed cutting of main shaft.

Preferably, be provided with electric machine winding mechanism on the lower box, the electric machine winding mechanism include drag chain, Bypass road and interior circuit, the drag chain include outside drag chain and inside drag chain, and the outside drag chain and the inside are dragged Signal cable and power cable are equipped in chain simultaneously, the outside drag chain is mounted in the bypass road, and described is interior Side drag chain is mounted in the interior circuit, and the lower end of the bypass road is fixed on the lower box, the outer shroud The upper end in road is fixed with overhead gage, and the first dust ring, first dust ring installation are provided with above the overhead gage On the inner ring body, the interior circuit is fixed on the inner ring body, and the front side on the top of the lower box is consolidated Surely have the first protective plate, be fixed with the second protective plate on front side of first protective plate, second protective plate up and down End is separately fixed on the bypass road and first protective plate, first protective plate, the second protective plate and outer Circuit surrounds cable tray, and the motor cable being connected on the servo motor passes through the first protective plate and cable tray to enter In bypass road, then successively enter in outside drag chain and inside drag chain, after through inside, drag chain is pierced by, successively by inner ring body, draw ring Body and upper box are connect by the plug being mounted on upper box with the oil drain pan.Since deep boring and milling head outer needs to realize C Axis transposition action needs to consider the coiling problem of motor cable, signal cable and power cable, and above-mentioned electric machine winding mechanism can Effectively to solve the problems, such as this.Bypass road rotates at C shaft rotation positions together with lower box, is turning end；In interior circuit is fixed on It is fixed at C shaft rotation positions in ring body, it is fixing end.

Preferably, the front end of the motor cabinet offers several kidney slots, the servo motor passes through several A attachment screw is mounted on the front end of the motor cabinet, and the attachment screw passes through kidney slot described in one by institute The servo motor stated is connect with the motor cabinet, and the side of the lower box is equipped with two pieces of adjustment blocks setting up and down, Crossed in adjustment block described in every piece there are two adjusting screw, the adjusting screw described in one of them pass through the adjustment block with The motor cabinet is threadedly coupled, and the adjusting screw described in another passes through the adjustment block to be resisted against the motor cabinet Side.The setting of kidney slot and adjustment block and adjusting screw facilitates the position of motor cabinet to adjust, and be convenient for changing driving belt.

Preferably, the rear end of the top chock has been wholely set connecting shaft, first belt pulley centering connects It is connected in the connecting shaft, the first expansion sleeve is installed between first belt pulley and the connecting shaft, it is described First expansion sleeve is compressed by the first gland, and first gland is fixed on first belt pulley；Second skin The second expansion sleeve is installed between the rear end of belt wheel and the deep boring and milling head outer main shaft, second expansion sleeve is by the second gland It compresses, second gland is fixed on second belt pulley.

Preferably, the indexable angle of the C axis indexing mechanisms is positioned by disk light beam encoder, the Circular gratings are compiled Code device is mounted on machine tool chief axis.Disk light beam encoder can realize being further accurately positioned to indexable angle.

Preferably, the front-end and back-end of the bottom of the lower box are respectively fixed with front-end bearing pedestal and rear bearing block, Fore bearing on the front-end bearing pedestal is installed, rear bearing, the deep boring and milling head outer main shaft are installed on the rear bearing block Front-end and back-end be separately mounted on the fore bearing and the rear bearing.

Further, the outer ring of the fore bearing is compressed by drive end bearing bracket, and the drive end bearing bracket is fixed on the front axle In bearing, the inner ring of the fore bearing is locked by locking nut, and the locking nut is fixedly arranged at the front end with the second dust ring, The outer ring of the rear bearing is compressed by baffle ring after first, and baffle ring is fixed on the rear bearing block after described first, institute The inner ring of rear bearing stated is compressed by baffle ring after second, and baffle ring is fixed on the deep boring and milling head outer main shaft after described second, Baffle ring forms labyrinth safeguard structure after baffle ring and described second after described first.

Compared with prior art, the utility model has the advantage of：C axis any angle indexing provided by the utility model Deep boring and milling head outer compact structure at a high speed can realize the High-speed machining of 5000-6000rpm, while C axis uses brake structure, can be real Now deep boring and milling head outer is in the indexing of C axis any angle, positioning.Depth of the deep boring and milling head outer of the high speed especially suitable for lightweight material tube kind part Cavity wall is processed.

Description of the drawings

Fig. 1 is the structure cut-away illustration of the high speed depth boring and milling head outer that C axis any angle indexes in embodiment；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is enlarged drawing at E in Fig. 2；

Fig. 4 is enlarged drawing at B in Fig. 1；

Fig. 5 is enlarged drawing at C in Fig. 1；

Fig. 6 is enlarged drawing at D in Fig. 1；

Fig. 7 is the left view of motor cabinet in embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing embodiment.

Embodiment C axis any angle indexing high speed depth boring and milling head outer, as shown in the figure, including taper shank 3, oil drain pan 11, on Babinet 1, lower box 2, C axis indexing mechanism, C axis braking mechanism, transmission mechanism and deep boring and milling head outer main shaft 4, the upper end connection of taper shank 3 It is useful for connecting machine tool main shaft（It is not shown in figure）Main blind rivet 30, upper box 1 is fixed on the bottom of oil drain pan 11, lower box 2 Positioned at the lower section of upper box 1, deep 4 accumbency of boring and milling head outer main shaft is in the bottom of lower box 2, the endoporus of deep boring and milling head outer main shaft 4 Broaching tool screw 41 is installed, C axis indexing mechanism include the first drive sleeve 31, the second drive sleeve 32, spring 33, upper baffle ring 34, under Baffle ring 35, turntable bearing 36, inner ring body 37 and draw ring body 38, the upper end of the first drive sleeve 31 is offered to be set with machine tool chief axis bottom end The key block put（It is not shown in figure）The keyway 312 being adapted, the upper end of the first drive sleeve 31 are connect with the lower thread of taper shank 3, Second drive sleeve 32 is set in the outside of the first drive sleeve 31, and the outer surface of the first drive sleeve 31 is provided with outer toothed portion 311, and second The inner surface of drive sleeve 32 is provided with the interior teeth portion 321 being adapted with outer toothed portion 311, has between outer toothed portion 311 and interior teeth portion 321 There is axial clearance 39, upper baffle ring 34 is fixed on the top of the second drive sleeve 32, and upper baffle ring 34 is used to implement to the first drive sleeve 31 Longitudinal spacing, offer longitudinal hole 313 in the first drive sleeve 31, lower baffle ring 35 is fixed on the bottom of the second drive sleeve 32, Spring 33 is uprightly mounted in longitudinal hole 313, and the top and bottom of spring 33 offset respectively with taper shank 3 and lower baffle ring 35, the Two drive sleeves 32 are fixed on the top of lower box 2, and draw ring body 38 and inner ring body 37 are fixedly connected under upper box 1 up and down successively Portion, draw ring body 38 and inner ring body 37 are located at the outside of the second drive sleeve 32 respectively, and 37 and second drive sleeve 32 of inner ring body is through turntable Bearing 36 connects, and the indexable angle of C axis indexing mechanisms is by disk light beam encoder（It is not shown in figure）Positioning, disk light beam encoder peace On machine tool chief axis；C axis braking mechanisms are arranged between the second drive sleeve 32 and draw ring body 38, for making C axis transposition actions Stop；Transmission mechanism is arranged on lower box 2, for deep 4 passing power of boring and milling head outer main shaft.

In the present embodiment, C axis braking mechanism includes brake disc 51, exterior ring cap 52, inner ring sleeve 53, outside friction disc 54 and Nei Mo Pad 55, upper box 1 and draw ring body 38 surround a ring cavity 56, and brake disc 51 is mounted in ring cavity 56, upper box 1 with A cricoid brake oil pocket 57 is surrounded between the upper surface of brake disc 51, is divided between brake disc 51 and upper box 1 and draw ring body 38 It is not provided with planet sealing ring 58, exterior ring cap 52 and outside friction disc 54 are fixed on draw ring body 38, and outside friction disc 54 is located at outer shroud The top of set 52, inner ring sleeve 53 are fixed on the top of the second drive sleeve 32, and inner attrition piece 55 is fixed on inner ring sleeve 53, interior friction Piece 55 is located at the top of outside friction disc 54, and brake disc 51 is located at the top of inner attrition piece 55；After 57 oil return of oil pocket of braking（Scheme State shown in 1）, there is the first gap 591, between inner attrition piece 55 and outside friction disc 54 between outside friction disc 54 and exterior ring cap 52 With the second gap 592, there is third space 593 between brake disc 51 and inner attrition piece 55, the height in the first gap 591 is 0.1-0.5mm, the height in the second gap 592 is 0.1-0.5mm, and the height of third space 593 is 0.1-0.5mm.

In the present embodiment, transmission mechanism includes servo motor 6, top chock 61, the first belt pulley 62 and the second belt pulley 63, the top of lower box 2 is equipped with the front and rear motor cabinet 64 be connected, and 6 accumbency of servo motor is mounted on the front end of motor cabinet 64, watches The output shaft for taking motor 6 is connect through flat key 65 with top chock 61, and top chock 61 is located at the inside of motor cabinet 64, top chock Deep groove ball bearing 66 is installed, the centering of the first belt pulley 62 is connected on top chock 61, upper bearing (metal) between 61 and motor cabinet 64 The rear end of seat 61 has been wholely set connecting shaft 611, and the centering of the first belt pulley 62 is connected in connecting shaft 611, the first belt pulley 62 The first expansion sleeve 621 is installed between connecting shaft 611, the first expansion sleeve 621 is compressed by the first gland 622, the first gland 622 Be fixed on the first belt pulley 62, the second belt pulley 63, which is felt relieved, is connected to the rear end of deep boring and milling head outer main shaft 4, the second belt pulley 63 with The second expansion sleeve 631 is installed between the rear end of deep boring and milling head outer main shaft 4, the second expansion sleeve 631 is compressed by the second gland 632, the Two glands 632 are fixed on the second belt pulley 63, and the first belt pulley 62 and the second belt pulley 63 are connected through driving belt 69, and first The outside mask of 62 and second belt pulley 63 of belt pulley is equipped with protective cover 67, and protective cover 67 is fixed on lower box 2.

In the present embodiment, electric machine winding mechanism is provided on lower box 2, electric machine winding mechanism includes drag chain, bypass road 73 With interior circuit 74, drag chain includes outside drag chain 71 and inside drag chain 72, is equipped with simultaneously in outside drag chain 71 and inside drag chain 72 Signal cable 751 and power cable 752, outside drag chain 71 are mounted in bypass road 73, and inside drag chain 72 is mounted on interior circuit 74 Interior, the lower end of bypass road 73 is fixed on lower box 2, and the upper end of bypass road 73 is fixed with overhead gage 76, the top of overhead gage 76 The first dust ring 77 is provided with, the first dust ring 77 is mounted on inner ring body 37, and interior circuit 74 is fixed on inner ring body 37, nowel The first protective plate 21 is fixed on front side of the top of body 2, the front side of the first protective plate 21 is fixed with the second protective plate 22, and second is anti- The upper and lower side of backplate 22 is separately fixed on 73 and first protective plate 21 of bypass road, the first protective plate 21,22 and of the second protective plate Bypass road 73 surrounds cable tray 23, and the motor cable 68 being connected on servo motor 6 passes through the first protective plate 21 and cabling to lead to Road 23 enters in bypass road 73, then successively enters in outside drag chain 71 and inside drag chain 72, after inside drag chain 72 is pierced by, successively By inner ring body 37, draw ring body 38 and upper box 1, it is connect by the plug 12 being mounted on upper box 1 with oil drain pan 11.

In the present embodiment, the front end of motor cabinet 64 offers eight kidney slots 641, and servo motor 6 passes through eight connection spiral shells Nail 642 is mounted on the front end of motor cabinet 64, and each attachment screw 642 passes through a kidney slot 641 by servo motor 6 and motor cabinet 64 connections, the leading flank of lower box 2 is equipped with two pieces of adjustment blocks 643 setting up and down, crossed in every piece of adjustment block 643 there are two Adjusting screw 644, one of adjusting screw 644 are threadedly coupled across adjustment block 643 with motor cabinet 64, another adjusting screw 644 are resisted against the leading flank of motor cabinet 64 across adjustment block 643.

In the present embodiment, the front-end and back-end of the bottom of lower box 2 are respectively fixed with front-end bearing pedestal 24 and rear bearing block 25, Fore bearing 26 on front-end bearing pedestal 24 is installed, rear bearing 27 is installed, the front end of deep boring and milling head outer main shaft 4 is with after on rear bearing block 25 End is separately mounted on fore bearing 26 and rear bearing 27；The outer ring of fore bearing 26 is compressed by drive end bearing bracket 261, and drive end bearing bracket 261 is fixed On front-end bearing pedestal 24, the inner ring of fore bearing 26 is locked by locking nut 262, locking nut 262 to be fixedly arranged at the front end with second anti- Dirt ring 263, the outer ring of rear bearing 27 are compressed by baffle ring 271 after first, and baffle ring 271 is fixed on rear bearing block 25 after first, after The inner ring of bearing 27 is compressed by baffle ring 272 after second, and baffle ring 272 is fixed on deep boring and milling head outer main shaft 4 after second, baffle ring after first Baffle ring 272 forms labyrinth safeguard structure after 271 and second.

During work, servo motor 6 provides power, is transmitted motor power from the output shaft of servo motor 6 by flat key 65 The second belt pulley 63 is passed to top chock 61, then by the first belt pulley 62 and driving belt 69, is ultimately transferred to deep boring Milling head main shaft 4 realizes the stock removal action of main shaft.Servo motor 6 in transmission mechanism has main shaft function, can be used as deep boring and milling head outer Spindle motor uses, and by servo motor 6 and belt pulley 62,63 imparts power to deep boring and milling head outer main shaft 4, it can be achieved that main shaft is high Speed rotation, so as to fulfill the high-speed cutting of main shaft.

When C axis transposition action carries out, the second drive sleeve 32, inner ring sleeve 53 and inner attrition piece 55 rotate together, inner ring body 37th, draw ring body 38, exterior ring cap 52, outside friction disc 54, upper box 1, oil drain pan 11 do not rotate.It needs to stop C axis transposition action When, 57 oil inlet of oil pocket of braking, brake disc 51 moves downward, and pushes down inner attrition piece 55 and outside friction disc 54 until outside friction disc 54 is pressed Tight exterior ring cap 52 passes through brake disc 51 and inner attrition piece 55, inner attrition piece 55 and outside friction disc 54, outside friction disc 54 and exterior ring cap Frictional force between 52 makes the second drive sleeve 32 stop operating, and so as to fulfill C axis brake functions, makes deep boring and milling head outer arbitrary in C axis Angle-differentiated, positioning.

Above-mentioned high speed depth boring and milling head outer compact structure can realize the High-speed machining of 5000-6000rpm, it can be achieved that deep boring and milling Head is in the indexing of C axis any angle, positioning.High speed depth boring and milling head outer adds especially suitable for the deep cavity wall of lightweight material tube kind part Work.

Claims (10)

1. a kind of high speed depth boring and milling head outer of C axis any angle indexing, including taper shank, oil drain pan, upper box, lower box, C shaft rotations position Mechanism, C axis braking mechanism, transmission mechanism and deep boring and milling head outer main shaft, the upper end of the taper shank is connected with for connecting machine tool master The main blind rivet of axis, the upper box are fixed on the bottom of the oil drain pan, and the lower box is located at the upper box Lower section, the deep boring and milling head outer main shaft accumbency be mounted on the lower box bottom, the deep boring and milling head outer main shaft it is interior Broaching tool screw is installed in hole, it is characterised in that：The C axis indexing mechanism includes the first drive sleeve, the second drive sleeve, bullet Spring, upper baffle ring, lower baffle ring, turntable bearing, inner ring body and draw ring body, the upper end of first drive sleeve offer and lathe master The keyway that the key block of axis bottom end setting is adapted, the upper end of first drive sleeve and the lower thread of the taper shank connect It connects, second drive sleeve is set in the outside of first drive sleeve, the outer surface setting of first drive sleeve There is outer toothed portion, the inner surface of second drive sleeve is provided with the interior teeth portion being adapted with the outer toothed portion, and described is outer There is axial clearance between teeth portion and the interior teeth portion, the upper baffle ring is fixed on the top of second drive sleeve, The upper baffle ring is used to implement the longitudinal spacing to first drive sleeve, and longitudinal direction is offered in first drive sleeve Through-hole, the lower baffle ring are fixed on the bottom of second drive sleeve, and the spring is uprightly mounted on the longitudinal direction In through-hole, the top and bottom of the spring offset respectively with the taper shank and the lower baffle ring, and described second passes Dynamic set is fixed on the top of the lower box, and the draw ring body and the inner ring body are fixedly connected on described up and down successively Upper box lower part, the draw ring body and the inner ring body are located at the outside of second drive sleeve respectively, described Inner ring body connect with second drive sleeve through the turntable bearing；The C axis braking mechanisms are arranged on described Between second drive sleeve and the draw ring body, for stopping C axis transposition action；The transmission mechanism is arranged on described On lower box, for the deep boring and milling head outer main shaft passing power.

2. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 1, it is characterised in that：The C Axis braking mechanism includes brake disc, exterior ring cap, inner ring sleeve, outside friction disc and inner attrition piece, the upper box and the drawing Ring body surrounds a ring cavity, and the brake disc is mounted in the ring cavity, the upper box and the brake A cricoid brake oil pocket, the brake disc and the upper box and the draw ring body are surrounded between the upper surface of hull Between be respectively arranged with planet sealing ring, the exterior ring cap and outside friction disc are fixed on the draw ring body, and described is outer Friction plate is located at the top of the exterior ring cap, and the inner ring sleeve is fixed on the top of second drive sleeve, described Inner attrition piece is fixed on the inner ring sleeve, and the inner attrition piece is located at the top of the outside friction disc, the brake Hull is located at the top of the inner attrition piece；After the brake oil pocket oil return, the outside friction disc with it is described outer Between ring set there is the first gap, there is the second gap, the brake between the inner attrition piece and the outside friction disc There is third space between hull and the inner attrition piece.

3. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 2, it is characterised in that：Described The height in the first gap is 0.1-0.5mm, and the height in second gap is 0.1-0.5mm, the height of the third space It spends for 0.1-0.5mm.

4. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 1, it is characterised in that：Described Transmission mechanism includes servo motor, top chock, the first belt pulley and the second belt pulley, and the top of the lower box is equipped with The motor cabinet of front and rear conducting, the servo motor accumbency are mounted on the front end of the motor cabinet, the servo motor Output shaft is connect through flat key with the top chock, and the top chock is located at the inside of the motor cabinet, described Deep groove ball bearing is installed, first belt pulley centering is connected to described upper between top chock and the motor cabinet On bearing block, second belt pulley centering is connected to the rear end of the deep boring and milling head outer main shaft, first belt pulley It connects through driving belt with second belt pulley, is provide on the outside of first belt pulley and second belt pulley There is protective cover, the protective cover is fixed on the lower box.

5. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 4, it is characterised in that：Described Electric machine winding mechanism is provided on lower box, the electric machine winding mechanism includes drag chain, bypass road and interior circuit, and described drags Chain includes outside drag chain and inside drag chain, be equipped with simultaneously in the outside drag chain and the inside drag chain signal cable and Power cable, the outside drag chain are mounted in the bypass road, and the inside drag chain is mounted on the interior circuit Interior, the lower end of the bypass road is fixed on the lower box, and the upper end of the bypass road is fixed with overhead gage, described Overhead gage above be provided with the first dust ring, first dust ring is mounted on the inner ring body, and described is interior Circuit is fixed on the inner ring body, is fixed with the first protective plate on front side of the top of the lower box, and described first Be fixed with the second protective plate on front side of protective plate, the upper and lower side of second protective plate be separately fixed at the bypass road and On first protective plate, first protective plate, the second protective plate and bypass road surround cable tray, are connected to described Servo motor on motor cable the first protective plate and cable tray is passed through to enter in bypass road, then successively enter outside drag chain In the drag chain of inside, after through inside, drag chain is pierced by, successively by inner ring body, draw ring body and upper box, by being mounted on upper box On plug connect with the oil drain pan.

6. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 4, it is characterised in that：Described The front end of motor cabinet offers several kidney slots, and the servo motor is mounted on the electricity by several attachment screws The front end of engine base, the attachment screw pass through kidney slot described in one by the servo motor and the motor Seat connection, the side of the lower box is equipped with two pieces of adjustment blocks setting up and down, has been crossed in the adjustment block described in every piece Two adjusting screws, the adjusting screw described in one of them are threadedly coupled across the adjustment block with the motor cabinet, separately Adjusting screw described in one is resisted against the side of the motor cabinet across the adjustment block.

7. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 4, it is characterised in that：Described The rear end of top chock has been wholely set connecting shaft, and first belt pulley centering is connected in the connecting shaft, described The first belt pulley and the connecting shaft between be installed with the first expansion sleeve, first expansion sleeve is by the first gland pressure Tightly, first gland is fixed on first belt pulley；Second belt pulley and the deep boring and milling head outer master The second expansion sleeve is installed between the rear end of axis, second expansion sleeve is compressed by the second gland, and second gland is consolidated It is scheduled on second belt pulley.

8. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 1, it is characterised in that：The C The indexable angle of axis indexing mechanism is positioned by disk light beam encoder, and the disk light beam encoder is mounted on machine tool chief axis.

9. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 1, it is characterised in that：Described The front-end and back-end of the bottom of lower box are respectively fixed with front-end bearing pedestal and rear bearing block, before being equipped on the front-end bearing pedestal Bearing is equipped with rear bearing on the rear bearing block, and the front-end and back-end of the deep boring and milling head outer main shaft are separately mounted to institute On the fore bearing and the rear bearing stated.

10. a kind of high speed depth boring and milling head outer of C axis any angle indexing according to claim 9, it is characterised in that：Described The outer ring of fore bearing is compressed by drive end bearing bracket, and the drive end bearing bracket is fixed on the front-end bearing pedestal, the fore bearing it is interior Circle is locked by locking nut, and the locking nut is fixedly arranged at the front end with the second dust ring, and the outer ring of the rear bearing is by the Baffle ring compresses after one, and baffle ring is fixed on the rear bearing block after described first, and the inner ring of the rear bearing is by second Baffle ring compresses afterwards, and baffle ring is fixed on the deep boring and milling head outer main shaft after described second, baffle ring and described after described first Second after baffle ring form labyrinth safeguard structure.