CN102085616B - High-rigidity swing head with large swing-angle range for horizontal five-axis machining centre lathe - Google Patents
High-rigidity swing head with large swing-angle range for horizontal five-axis machining centre lathe Download PDFInfo
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- CN102085616B CN102085616B CN 201010610971 CN201010610971A CN102085616B CN 102085616 B CN102085616 B CN 102085616B CN 201010610971 CN201010610971 CN 201010610971 CN 201010610971 A CN201010610971 A CN 201010610971A CN 102085616 B CN102085616 B CN 102085616B
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Abstract
The invention provides a high-rigidity swing head with large swing-angle range for a horizontal five-axis machining centre lathe, which comprises a swing head box body, a rotary spindle box and an auxiliary configuration thereof. The high-rigidity swing head is characterized in that one sides of a left box body and a right box body are vertically connected, the rotary spindle box internally provided with an electric spindle is arranged in the left box body and the right box body through a left bearing supporting sleeve and a right bearing supporting sleeve as well as two crossed roller bearings and can swing in the left box body and the right box body around the axes of the spindle, a servo motor is arranged in the left box body, a transmission mechanism of the rotary spindle box is formed by a timing belt and a backlash eliminated worm gear, and two sides of the rotary spindle box are supported by adopting the two high-rigidity crossed roller bearings; an annular distributor is arranged in the left box body and the rotary spindle box, and the right side of the swing head is provided with a coder installing shaft and an angle coder; and the swing angle range of the swing head is 215 DEG, and the swing head can swing upwards for 95 DEG with a spindle in a horizontal state as a zero point and swing downwards for 120 DEG. The high-rigidity swing head can meet the requirements formachining difficult-to-process materials, such as titanium alloy and the like, complicated surfaces and high-precision parts in the fields, such as aerospace and the like.
Description
Technical field
The present invention relates to mechanical production devices, namely horizontal five axle processing center machine tool yaws are Core Feature parts of horizontal five axle processing center machine tools.
Background technology
In recent years, horizontal five axle machining centers are used more and more with characteristics such as its high accuracy, high rigidity, high efficiency, five-axle linkages at the high-end industry field such as Aero-Space, defence and military, be mainly used to process the high-precision part with complex profile, such as aerospace component.Horizontal five axle machining centers can be on the basis of the standard type horizontal Machining centers of three-shaft linkage, the gyroaxis that increases by two interlocks at main shaft or workbench realized, and one of key feature that to be the standard type horizontal Machining centers upgrade to horizontal five axle machining centers of the yaw with spindle swing function.Come the difficult-to-machine material Complex Surface Parts such as machining titanium alloy owing to horizontal five axle machining centers are at present multiplex, therefore require the yaw parts to have the characteristics such as high rigidity, high pulling torque, high accuracy and big swing angle scope.At present, there is no domestic lathe manufacturing firm and can produce the horizontal five axle processing center machine tool yaws that satisfy above-mentioned characteristic, this has become the bottleneck that hinders domestic horizontal five axle machining centers development and development.Therefore develop high rigidity, high pulling torque, high accuracy and big swing angle scope, the high-performance yaw that satisfies the industry field process requirements such as Aero-Space is significant to the development of domestic horizontal five axle machining centers and the development of the industries such as China's Aero-Space, defence and military.
Summary of the invention
The purpose of this invention is to provide a kind of high rigidity yaw with big swing angle scope of using for horizontal five axle processing center machine tools, satisfy the demand of the difficult-to-machine material complex profile high-precision parts such as industry field machining titanium alloy such as Aero-Space.
A kind of high rigidity yaw of horizontal five axle processing center machine tools with big swing angle scope, comprise the yaw casing, the rotary main shaft case, electricity main shaft and hydraulic pressure thereof, pneumatic, cooling and lubricated configuration, it is characterized in that left box body and right case one side vertical connection, the rotary main shaft case of in-built electric main shaft is by left, right bearing support set and two crossed roller bearings are installed in left box body and the right case, and can in left box body and right case, swing around its axis, servomotor is arranged in the left box body, consist of the transmission mechanism of rotary main shaft case by timing belt and the worm and gear of the gap that disappears, rotary main shaft case both sides all adopt two crossed roller bearings of high rigidity to support; Ring distributor is installed in left box body and the rotary main shaft case, and the yaw right side arranges encoder installation shaft and angular encoder; The pivot angle scope of yaw is 215 °, is the level of state as zero point take main shaft, upwards can swing 95 °, can swing 120 ° downwards.
Drive servomotor and be installed in the yaw cabinets cavity by the L-type motor cabinet with the diagonal bar plate, do not take the yaw space outerpace, thereby increased non-interference processing district and the range of work of lathe, and be conducive to the protection of servomotor.The yaw arranged on left and right sides is equipped with protective cover, good looking appearance, pleasant.Rotary main shaft case both sides all adopt the crossed roller bearing of high rigidity to support, and the inside and outside circle of two bearings two ends are all fixing, and pass through the measures such as structure of appropriate design yaw basic components, drive disk assembly and support component, realize the high rigidity of yaw.By employing disappear gap the high accuracy drive disk assembly, improve manufacturing, the assembly precision of critical component, and angular encoder is set in yaw, carry out the measures such as closed-loop control, realize the high-precision swing of main shaft.The hydraulic pressure that electricity main shaft normal operation needs, pneumatic, cooling and lubricated each cable with each road binders, gas and the usefulness such as driving, detection are all inputted from its rear end, and are connected with regulator cubicle with oil outer (or gas) source from its arranged on left and right sides respectively.Wherein each road binders (or gas) goes out from oil outer (or gas) source and course respectively, and successively by each arrival end extension tube attached, ring distributor, rotary main shaft case and each port of export extension tube attached on the left of the electric main shaft, and it is inner to enter electric main shaft from electric rear-end of spindle; Each cable all picks out from electric rear-end of spindle, but successively via the RBR drag chain of the cable hole of rotary main shaft case, right bearing support set, hollow encoder installation shaft, the back-flexing of annular drag chain support, and pick out from the yaw box back, enter lathe and walk wire system and external electrical cabinet.By the design ring distributor, adopt the RBR drag chain and optimize the path of each oil, air pipe and cable, realize that the big swing angle scope of 215 ° on main shaft swings.For being installed to the rotary main shaft case of side arm in the yaw casing, the yaw casing is divided into left box body and right case two parts, need during assembling first the rotary main shaft case to be connected with right case by support component, connect again at last left box body.
Description of drawings
Fig. 1 is the yaw profile schematic diagram of big swing angle scope of the present invention;
Fig. 2 is worm gear structure schematic diagram wherein;
Fig. 3 is yaw overall structure cutaway view.
The specific embodiment
A kind of high rigidity yaw of horizontal five axle processing center machine tools with big swing angle scope, such as Fig. 1, shown in Figure 3, high rigidity yaw with big swing angle scope, it is characterized in that the rotary main shaft case 3 of in-built electric main shaft 13 is by left bearing support set 7, right bearing support set 17 and crossed roller bearing 8,16 are installed in left box body 2 and the right case 1, need first with rotary main shaft case 3 during assembling, right bearing support set 17, right crossed roller bearing 16, right bearing inner ring gland 19, right bearing outer ring gland 18, left bearing splicing sleeve 7 links together with middle part and the right side of right case 1 one sides, then left box body 2 right angle ends are vertically fixed on the left side of right case 1 one sides, and the left crossed roller bearing 8 of packing into, left bearing inner ring gland 9 and left bearing outer ring gland 10, packing at last, other is zero, parts and left protective cover 30.
Such as Fig. 2, shown in Figure 3, L shaped motor cabinet 15 with the diagonal bar plate is installed in the inner chamber of left box body 2, the front of motor cabinet 4 is connected with installed surface in left box body 2 inner chambers, the mounting flange face of servomotor 4 is connected with the end face of motor cabinet 15, is arranged in the inner chamber of left box body 2, has avoided taking the yaw space outerpace, thereby increased non-interference processing district and the range of work of lathe, and be conducive to the protection of servomotor 4.
Such as Fig. 2, shown in Figure 3, small belt pulley 23 in left box body 2 inner chambers links to each other with the motor shaft of servomotor 4 by expansion sleeve 25, big belt pulley 26 links to each other with worm screw 11 by expansion sleeve 28, worm screw is divided into two sections, the thickness that is installed in the adjustment pad 27 on the worm shaft by adjustment can be eliminated the backlass of worm and gear 11 transmissions, and worm gear is connected with rotary main shaft case 3 by left bearing support set 7; Servomotor 4 swings continuously by timing belt 24 and Worm and worm-wheel gearing 11 driven rotary main spindle boxes 3, the pivot angle scope is 215 °, be the level of state as zero point take main shaft, upwards can swing 95 °, can swing 120 ° downwards, electric main shaft 13 inserts in the rotary main shaft case 3, and its mounting flange face is connected with the front end face of rotary main shaft case 3, the left protective cover 30 of peripheral hardware swings with rotary main shaft case 3.
As shown in Figure 3, rotary main shaft case 3 both sides all adopt the crossed roller bearing 8,16 of high rigidity to support, the two bearings endoporus cooperates with the axle sleeve of the left bearing support set 7 that is connected to rotary main shaft case 3 both sides and right bearing support set 17 respectively, and two crossed roller bearings 8,16 cylindricals cooperate with bearing mounting hole in left box body 2 and the right case 1 respectively.Left bearing inner ring two ends are fixing by left bearing support set 7 and left bearing inner ring gland 9 respectively, the outer ring is fixing by yaw left box body 2 and left bearing outer ring gland 10 respectively, right bearing inner ring two ends are fixing by right bearing support set 17 and right bearing inner ring gland 19 respectively, and the outer ring is fixing by right case 1 and right bearing outer ring gland 18 respectively.The inside and outside circle of two bearings two ends are all fixing, to obtain higher rigidity of support.The right protective cover 31 interior angular encoders 21 that arrange of yaw, its stationary ring is connected with right cover plate 20, and rotating ring is connected with encoder installation shaft 22, detects in real time the swash angle position of main shaft, carries out closed-loop control, thereby improves the precision of spindle swing.
In the left protective cover 30 of yaw, ring distributor 12 is connected with left box body 2 by left cover 5, in the side arm endoporus of ring distributor 12 hollow shaft partial insertion rotary main shaft casees 3, ring distributor 12 inside are provided with DLT oil (or gas) hole, each hole entrance all is arranged on the ledge in ring distributor 12 ring flanges left side, and is connected with oil outer (or gas) source by input extension tube attached 34; Each hole exits all is arranged on the external cylindrical surface of ring distributor 12 hollow shafts, arranges vertically, and offers cannelure on the face of cylinder of each hole exits relevant position.Rotary main shaft case 3 inside also have DLT oil (or gas) hole, and corresponding one by one with each logical oil (or gas) hole of ring distributor 12 inside, each hole entrance all is arranged on the hole arm of rotary main shaft case 3 side arm endoporus, and corresponding one by one with ring distributor 12 each hole exits vertically; Each hole exits all is arranged on the rear end face of rotary main shaft case 3, and each hydraulic pressure by output extension tube attached 29 and electric main shaft 13 rear ends, pneumatic, cooling and lubricated interface are connected.During logical oil (or gas), each road binders (or gas) enters the entrance in logical oil (or gas) hole, ring distributor 12 corresponding each road by input extension tube attached 34 from oil outer (or gas) source, after the outlet outflow in logical oil (or gas) hole, ring distributor 12 corresponding each road, flow into respectively the entrance in logical oil (or gas) hole, corresponding rotary main shaft case 3 each road, after the outlet outflow in logical oil (or gas) hole, rotary main shaft case 3 each road, flow into respectively again each road binders (or gas) interface of electric main shaft 13 by output extension tube attached 29, satisfy the normal operation demand of electric main shaft 13.The circular trough that the exit in logical oil (or gas) hole, ring distributor 12 each road is offered, guaranteed that rotary main shaft case 3 swings to when arbitrarily angled, oil (or gas) homomergic flow that the outlet in logical oil (or gas) hole is flowed out from ring distributor 12 each road enters the entrance in logical oil (or gas) hole, corresponding rotary main shaft case 3 each road.In addition, between each cannelure of each road of ring distributor (12) logical oil (or gas) hole exits, all offer sealed groove, and rotating seal ring 33 is set in sealed groove, and can mutually not alter logically to guarantee each road binders (or gas), guarantee electric main shaft 13 safety, work reliably.
The yaw right side arranges hollow encoder installation shaft 22, encoder installation shaft 22 left ends are connected with right bearing support set 17, encoder installation shaft 22 right-hand members connect annular drag chain support 14, and with 3 swings of rotary main shaft case, but connect the moved end of the RBR drag chain 6 of back-flexing on the annular drag chain support 14, the quiet end of RBR drag chain 6 links to each other with right case 1 by link 32.Rotary main shaft case 3 is provided with a cable hole, and the cable hole entrance is arranged on the rear end of rotary main shaft case 3, and the cable hole outlet is arranged on the right side of rotary main shaft case 3, and communicates with the centre bore of right bearing support set 17 and encoder installation shaft 22.Each cable that connects electric main shaft 13 all picks out from the rear end of electric main shaft 13, and the cable hole by rotary main shaft case 3 successively, the centre bore of the centre bore of right bearing support set 17, encoder installation shaft 22, the centre bore of annular drag chain support 14, enter RBR drag chain 6, from RBR drag chain 6 out after, the cable hole by yaw right case 1 picks out from the yaw rear, the lathe that enters the yaw outside is walked wire system and regulator cubicle.Install at last and right protective cover 31.
Claims (3)
1. horizontal five axle processing center machine tools are with the high rigidity yaw with big swing angle scope, comprise yaw casing, rotary main shaft case, electric main shaft and hydraulic pressure thereof, pneumatic, cooling and lubricated configuration, it is characterized in that left box body (2) and right case (1) one side vertical connection, rotary main shaft case (3) with side arm is installed in left box body (2) and the right case (1) by left bearing support set (7), right bearing support set (17) and crossed roller bearing (8,16), and can swing in left box body (2) and right case (1) around its axis; Be installed in the hollow encoder installation shaft (22) in the yaw right side protective cover (31), encoder installation shaft left end links to each other with right bearing support set (17), encoder installation shaft right-hand member connects annular drag chain support (14), annular drag chain support (14) but the upper moved end that connects the RBR drag chain (6) of back-flexing, the quiet end of RBR drag chain (6) links to each other with right case (1) by link (32); Encoder installation shaft (22) centre bore is for cabling; Rotary main shaft case (3) is provided with a cable hole, the cable hole entrance is arranged on the rear end of rotary main shaft case (3), the cable hole outlet is arranged on the right side of rotary main shaft case (3), and communicates with the centre bore of right bearing support set (17) and encoder installation shaft (22); Each cable that connects electric main shaft (13) all picks out from the rear end of electric main shaft (13), and successively by the cable hole of rotary main shaft case (3), the centre bore of right bearing support set (17), the centre bore of encoder installation shaft (22), the centre bore of annular drag chain support (14), pass RBR drag chain (6) out after, cable hole by yaw right case (1) picks out from the yaw rear, and the lathe that enters the yaw outside is walked wire system and regulator cubicle; The hydraulic pressure of the electric main shaft (13) in the rotary main shaft case (3), pneumatic, cooling and lubrication oil, air pipe and driving, detection, and are connected with regulator cubicle with oil outer or source of the gas from electric main shaft arranged on left and right sides respectively all from the rear end input of electric main shaft (13) with cable; Servomotor (4) is arranged in the left box body (2), consist of the transmission mechanism of rotary main shaft case (3) by timing belt (24) and the worm and gear (11) of the gap that disappears, rotary main shaft case (3) both sides all adopt the crossed roller bearing (8,16) of high rigidity to support; Ring distributor (12) is installed in left box body (2) and the rotary main shaft case (3), ring distributor (12) links to each other with left box body (2) by left cover (5), in the side arm endoporus of ring distributor hollow shaft partial insertion rotary main shaft case (3), ring distributor (12) inside is provided with DLT oil or pore, each hole entrance all is arranged on the ledge in ring distributor ring flange left side, and be connected with oil outer or source of the gas by each input extension tube attached (34) respectively, each hole exits all is arranged on the external cylindrical surface of ring distributor hollow shaft, arrange vertically, and offer cannelure on the face of cylinder of each hole exits relevant position; Rotary main shaft case (3) inside also has DLT oil or pore, and corresponding one by one with each logical oil or the pore of ring distributor (12) inside, each hole entrance all is arranged on the hole wall of rotary main shaft case (3) side arm endoporus, arrange vertically, and corresponding one by one with the outlet in each hole of ring distributor (12); Each hole exits of rotary main shaft case (3) all is arranged on thereafter on the end face, and each hydraulic pressure by each output extension tube attached (29) and electric main shaft (13) rear end, pneumatic, cooling and lubricated interface are connected; The yaw right side arranges encoder installation shaft (22) and angular encoder (21); The pivot angle scope of yaw is 215 °, is the level of state as zero point take main shaft, upwards can swing 95 °, can swing 120 ° downwards.
2. horizontal five axle processing center machine tools according to claim 1 are with the high rigidity yaw with big swing angle scope, it is characterized in that servomotor (4) is installed in the inner chamber of left box body (2) by the L-type motor cabinet (15) with the diagonal bar plate, the front of motor cabinet (15) is connected with installed surface in left box body (2) inner chamber, and the mounting flange face of servomotor (4) is connected with the end face of motor cabinet (15); Small belt pulley (23) links to each other with the motor shaft of servomotor (4) by expansion sleeve (25), and big belt pulley (26) links to each other with worm screw (11) by expansion sleeve (28), and its worm gear is connected with rotary main shaft case (3) by left bearing support set (7).
3. horizontal five axle processing center machine tools according to claim 1 are with the high rigidity yaw with big swing angle scope, it is characterized in that between the cannelure of the outlet of the logical oil in each road of ring distributor (12) or pore, all offering sealed groove, and rotating seal ring (33) is set in each sealed groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010610971 CN102085616B (en) | 2010-12-29 | 2010-12-29 | High-rigidity swing head with large swing-angle range for horizontal five-axis machining centre lathe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010610971 CN102085616B (en) | 2010-12-29 | 2010-12-29 | High-rigidity swing head with large swing-angle range for horizontal five-axis machining centre lathe |
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| CN102085616A CN102085616A (en) | 2011-06-08 |
| CN102085616B true CN102085616B (en) | 2013-10-23 |
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| US5584621A (en) * | 1995-06-13 | 1996-12-17 | Bertsche Engineering Corp. | Direct drive multiple axes rotary spindle head for milling machine |
| IT1314043B1 (en) * | 1999-10-14 | 2002-12-03 | F M Elettromeccanica S R L | HEAD FOR MACHINE TOOL. |
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Address after: No.17a1, Kaifa Road, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province Patentee after: General Technology Group Shenyang Machine Tool Co.,Ltd. Address before: No.17a1, Kaifa Road, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province Patentee before: SHENYANG MACHINE TOOL (GROUP) CO.,LTD. |
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Effective date of registration: 20231005 Address after: No.17-A 1-4, Kaifa Road, Shenyang Economic and Technological Development Zone, Shenyang, Liaoning Province, 110000 Patentee after: Shenyang Machine Tool Zhongjie Friendship Factory Co.,Ltd. Address before: No.17a1, Kaifa Road, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province Patentee before: General Technology Group Shenyang Machine Tool Co.,Ltd. |