CN103481160A

CN103481160A - Off-axis curved-surface dual-grinding-wheel synchronous efficient grinding machine tool

Info

Publication number: CN103481160A
Application number: CN201310424442.4A
Authority: CN
Inventors: 冀世军; 赵继; 于慧娟; 张雷; 陈嘉迪
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-01-01
Anticipated expiration: 2033-09-17
Also published as: CN103481160B

Abstract

The invention discloses an off-axis curved-surface dual-grinding-wheel synchronous efficient grinding machine tool comprising a motorized spindle system, a base, a grinding-wheel grinding system and a servo feed system. The motorized spindle system and the servo feed system are both fixed on the base, the servo feed system is further perpendicular to the motorized spindle system, and the grinding-wheel grinding system is perpendicularly fixed above the servo feed system. The motorized spindle system comprises a rotating system and an auxiliary feed system, the rotating system is fixed above the auxiliary feed system, the grinding-wheel grinding system comprises a supporting system, a grinding wheel spindle system and a longitudinal feed system, wherein the grinding wheel spindle system is parallelly fixed above the longitudinal feed system, and both the grinding wheel spindle system and the longitudinal feed system are fixed in front of the supporting system in parallel. The off-axis curved-surface dual-grinding-wheel synchronous efficient grinding machine tool has the advantages that multiple off-axis workpieces can be ground simultaneously, machining efficiency and machining precision are high, and error influencing factors during machining can be effectively decreased or eliminated.

Description

From axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe

Technical field

The invention belongs to machinery manufacturing technology field, be specifically related to a kind of from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe.

Background technology

What the field of the manufacturing at present grinding machine used adopted usually is that single emery wheel carries out the mode of grinding to single workpiece, working (machining) efficiency is lower, and the equal clamping of workpiece is in the center of main shaft, this lathe has significant limitation for the grinding from the axle curved surface, due to the uneven random vibration caused of the distribution of the power in process, can affect the rigidity of structure and the stability of machine tooling, the workpiece dynamic balance performance is poor, affects the impact of the machining accuracy of lathe.

Summary of the invention

The objective of the invention is in conjunction with the curved surface structure characteristics from axle curved surface uniqueness, by analysing in depth and research, designed a kind of for from axle curve surface grinding processing from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, this machine adopted double abrasive wheel carries out synchronous grinding, not only can eliminate or reduce the uneven random vibration caused of power distribution in process, improve the rigidity of structure and the stability of machine tooling, and the poor impact on machine finish of the workpiece dynamic balance performance that can reduce machine tooling, in addition, lathe can realized from the high-precision grinding processing request of axle curved surface, can also be applicable to the common non-grinding from shaft-like work, improve efficiency and the versatility of grinding.

For solving the problems of the technologies described above, the present invention adopts following technical scheme, by reference to the accompanying drawings:

Provide a kind of from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it comprises electric chief axis system and pedestal 7, electric chief axis system is fixed on pedestal 7, and electric chief axis system comprises rotary system and supplementary feeding system, and the rotary system at right angle setting is in supplementary feeding system top; Should also comprise wheel grinding system and servo feed system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wheel grinding system at right angle setting is in the servo feed system top, the wheel grinding system comprises support system, grinding wheel spindle system and longitudinal feed system, wherein grinding wheel spindle system arranged parallel is in the longitudinal feed system top, and grinding wheel spindle system and longitudinal feed system arranged parallel are in support system the place ahead; Servo feed system is fixed on pedestal 7, and servo feed system and electric chief axis system perpendicular.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, the support system of wheel grinding system comprises base plate 57, electric machine support 24, line slideway V 26, rail brackets I 25, slide block IX 27, line slideway VI 16, rail brackets II 18 and slide block X 17, electric machine support 24 bottoms are fixedly connected with by screw with base plate 57, rail brackets I 25 and rail brackets II 18 are fixedly connected on electric machine support 24 both sides by screw respectively, line slideway V 26 is connected with rail brackets I 25, line slideway VI 16 is connected with rail brackets II 18, slide block IX 27 is flexibly connected with line slideway V 26, slide block X 17 is flexibly connected with line slideway VI 16.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, the grinding wheel spindle system of wheel grinding system comprises active system, the emery wheel system, transmission system and connection bracket system, the emery wheel system, transmission system and connection bracket system are mirror image, the radial central axis of active system of take is symmetry axis, the left-half of emery wheel system and right half part transverse uniaxial respectively are placed in left side and the right side of active system, the left-half coaxial package of transmission system is in the left side of emery wheel system left-half, the right half part coaxial package of transmission system is in the right side of emery wheel system right half part, the coaxial nested left side that is placed in the transmission system left-half of the left-half of connection bracket system, the coaxial nested right side that is placed in the transmission system right half part of the right half part of connection bracket system.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, active system comprises servomotor 59, electric machine main shaft 62, the female I 76 of spline and the female II 79 of spline, servomotor 59 is two ends output type motors, the two ends of electric machine main shaft 62 have spline, the female I 76 of spline and the female II 79 of spline match with the spline at electric machine main shaft 62 two ends respectively, can drive the female II 79 of spline mother's I 76 and spline while making servomotor 59 rotation and rotate simultaneously.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, the emery wheel system comprises emery wheel I 30, long spiro nail array I 77, spline mother set I 75, back-up ring I 74, emery wheel II 15, long spiro nail array II 78, spline mother set II 80 and back-up ring II 81, the radial central axis of active system of take is symmetry axis, in the left-half of emery wheel system, the inboard of emery wheel I 30 is fixedly connected with the outside of spline mother set I 75, back-up ring I 74 and spline mother set I 75 are fixedly connected with and are positioned at the outside of emery wheel I 30, spline mother set I 75 is fixedly connected with active system by long spiro nail array I 77, in the right half part of emery wheel system, the inboard of emery wheel II 15 is fixedly connected with the outside of spline mother set II 80, back-up ring II 81 and spline mother set II 80 are fixedly connected with and are positioned at the outside of emery wheel II 15, play the effect of the emery wheel II 15 that is fixedly clamped, spline mother set II 80 is connected by long spiro nail array II 78 and active system, thereby makes servomotor 59 can drive emery wheel I 30 and 15 rotations of emery wheel II.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, transmission system comprises deep groove ball bearing I 73, sleeve I 72, thrust ball bearing I 71, dividing plate I 69, thrust ball bearing II 68, sleeve II 67, deep groove ball bearing II 66, baffle ring I 65, deep groove ball bearing III 82, sleeve III 83, thrust ball bearing III 84, dividing plate II 86, thrust ball bearing IV 87, sleeve IV 88, deep groove ball bearing IV 89 and baffle ring II 90, the radial central axis of active system of take is symmetry axis, left-half in transmission system, take symmetry axis as inboard, deep groove ball bearing I 73, sleeve I 72, thrust ball bearing I 71, dividing plate I 69, thrust ball bearing II 68, sleeve II 67, deep groove ball bearing II 66 is flexibly connected successively along the order from the inboard to the outside, right half part in transmission system, take symmetry axis as inboard, and deep groove ball bearing III 82, sleeve III 83, thrust ball bearing III 84, dividing plate II 86, thrust ball bearing IV 87, sleeve IV 88, deep groove ball bearing IV 89 are flexibly connected successively along the order from the inboard to the outside.This transmission system can move along electric machine main shaft 62, but can not rotate, and can effectively eliminate or reduce the power in the wheel grinding process, improves the stability of a system and machining accuracy.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, the connection bracket system comprises connection bracket II 58, sunk screw array I 70, connection bracket I 29, short screw array I 64, spline hood I 61, connection bracket IV 60, sunk screw array II 85, connection bracket III 14, short screw array II 91 and spline hood II 63, the radial central axis of active system of take is symmetry axis, left-half in the connection bracket system, the circular end surface of connection bracket II 58 and connection bracket I 29 is nested in the outside of the left-half of transmission system after being fixedly connected with by sunk screw array I 70, spline hood I 61 is fixedly connected with connection bracket I 29 by short screw array I 64, the end face of connection bracket II 58 is connected with the emery wheel system activity, right half part in the connection bracket system, the circular end surface of connection bracket IV 60 and connection bracket III 14 is nested in the outside of transmission system after being fixedly connected with by sunk screw array II 85, spline hood II 63 is fixedly connected with connection bracket III 14 by short screw array II 91, and the back-up ring II 81 in the end face of connection bracket IV 60 and emery wheel system is flexibly connected, the square end surface of connection bracket I 29 and connection bracket III 14 is fixedly connected with slide block X 17 with the slide block IX 27 in support system by screw respectively, the connection bracket system can be moved along line slideway V 26 and line slideway VI 16, in addition, can also increase the rigidity of whole grinding wheel spindle system.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, spline mother set I 75 in the emery wheel system is fixedly connected with the female I 76 of the spline in active system by long spiro nail array I 77, and spline mother set II 80 is fixedly connected with the female II 79 of the spline in active system by long spiro nail array II 78; Baffle ring I 65 in transmission system is embedded in the end fluting of the female I 76 of spline in active system, the end face of deep groove ball bearing I 73 contacts with the connection bracket II 58 in the connection bracket system, baffle ring II 90 is embedded in the end fluting of the female II 79 of spline in active system, and the end face of deep groove ball bearing III 82 contacts with the connection bracket IV 60 in the connection bracket system; The end face of the connection bracket II 58 of connection bracket system and the back-up ring I in the emery wheel system 74 are flexibly connected, and the back-up ring II 81 in the end face of connection bracket IV 60 and emery wheel system is flexibly connected.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, longitudinal feed system comprises alternating current generator III 10, alternating current generator base III 94, shaft coupling III 11, ring-like bearing block III 12, sealing shroud III 39, ball-screw III 13, leading screw feeding seat III 50, leading screw feeding seat IV 56, sealing ring III 38 and bearing block III 28; Alternating current generator base III 94 is fixedly connected with support system by screw, alternating current generator III 10 is fixedly connected with alternating current generator base III 94 by screw, and alternating current generator III 10 outputs drive 13 rotations of ball-screw III by shaft coupling III 11 and ring-like bearing block III 12; The middle part of ball-screw III 13 is provided with two sections screw threads that direction of rotation is contrary and pitch is equal, and its two ends are provided with sealing shroud III 39 and sealing ring III 38, and sealing shroud III 39 is fixedly connected with bearing block III 28 with ring-like bearing block III 12 respectively with sealing ring III 38; The threaded portion of leading screw feeding seat III 50 and leading screw feeding seat Ⅳ56 center and ball-screw III 13 is flexibly connected, leading screw feeding seat III 50 is fixedly connected with the grinding wheel spindle system respectively with the end face of leading screw feeding seat IV 56, make alternating current generator III 10 can drive the connection bracket system and move, and then realized that alternating current generator III 10 drives emery wheel I 30 and emery wheel II 15 is done locking phase to movement along the directions X of lathe.

According to provided by the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wherein, servo feed system comprises alternating current generator II 8, alternating current generator base II 93, shaft coupling II 9, ring-like bearing block II 42, sealing shroud II 41, ball-screw II 20, leading screw feeding seat II 52, sealing ring II 40, bearing block II 21, line slideway III 23, slide block VIII 54, slide block VII 55, line slideway IV 19, slide block V 51, slide block VI 53 and base II 22; Alternating current generator base II 93 is fixedly connected with base II 22 by screw, and alternating current generator II 8 is fixedly connected with alternating current generator base II 93 by screw, and its output drives 20 rotations of ball-screw II by shaft coupling II 9 and ring-like bearing block II 42; The two ends of ball-screw II 20 are provided with sealing shroud II 41 and sealing ring II 40, and sealing shroud II 41 is fixedly connected with bearing block II 21 with ring-like bearing block II 42 respectively with sealing ring II 40; The threaded portion of leading screw feeding seat Ⅱ52 center and ball-screw II 20 is flexibly connected, and the end face of leading screw feeding seat II 52 is fixedly connected with the wheel grinding system, thereby make alternating current generator II 8 can drive the wheel grinding system, does feeding along the Z direction of lathe and moves; Slide block VIII 54, slide block VII 55 are flexibly connected with line slideway III 23 respectively, slide block V 51, slide block VI 53 are flexibly connected with line slideway IV 19 respectively, the end face of slide block VIII 54, slide block VII 55 and slide block V 51, slide block VI 53 is fixedly connected with the wheel grinding system, movement to the wheel grinding system play the guiding role, and realizes that emery wheel I 30 and emery wheel II 15 do feeding along the Z direction of lathe and move; Base II 22 adopts screw to be connected with pedestal 7.

Compared with prior art the invention has the beneficial effects as follows:

1. traditional grinding machine can only carry out grinding to a workpiece usually at every turn, and the processing from the axle curved surface is had to significant limitation, machine adopted provided by the invention is for the special clamping tool from the axle curved design and the synchronous grinding mechanism of double abrasive wheel, by controlling the comprehensive feed motion of double abrasive wheel in lathe directions X and Z direction, grinding simultaneously is a plurality of from the axle curved surface, has improved the working (machining) efficiency of lathe.

2. pass through the direct clamping of workpiece on electric main shaft vacuum cup, this lathe can also be realized the grinding to single workpiece, has very strong practicality and versatility.

3. what servomotor adopted is the servomotor of two ends output, can realize two emery wheel synchronous relative motions.

4. the present invention has been owing to having adopted thrust ball bearing and deep groove ball bearing, can effectively bear and the grinding force while reducing grinding, improves machining accuracy.

5. lathe provided by the invention, the use of its various supports can improve rigidity and the stability of lathe integral body.

The accompanying drawing explanation

Below in conjunction with accompanying drawing, the present invention is further illustrated:

Fig. 1 is of the present invention from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe integral installation figure

Fig. 2 is the base construction schematic diagram from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The structural representation that Fig. 3 is the rotary system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The drive unit schematic diagram that Fig. 4 is the electric chief axis system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

Fig. 5 is the supplementary feeding system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention and the structural representation of servo feed system

The support system schematic diagram that Fig. 6 is the wheel grinding system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The structural representation that Fig. 7 is the wheel grinding system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The structural representation that Fig. 8 is the grinding wheel spindle system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The internal view that Fig. 9 is the grinding wheel spindle system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The enlarged drawing that Figure 10 is left half side structure of Fig. 9

The enlarged drawing that Figure 11 is right half side structure of Fig. 9

The drive unit schematic diagram that Figure 12 is the longitudinal feed system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The space layout figure that Figure 13 is the feed system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The drive unit schematic diagram that Figure 14 is the wheel grinding system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The structural representation that Figure 15 is the leading screw feeding seat from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

The combination schematic diagram that Figure 16 is the connection bracket from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

Operating mode schematic diagram when Figure 17 is the single workpiece of grinding from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe of the present invention

In figure: 1. electric main shaft, 2. electric spindle slide, 3. ring-like bearing block I, 4. shaft coupling I, 5. base I, 6. alternating current generator I, 7. pedestal, 8. alternating current generator II, 9. shaft coupling II, 10. alternating current generator III, 11. shaft coupling III, 12. ring-like bearing block III, 13. ball-screw III, 14. connection bracket III, 15. emery wheel II, 16. line slideway VI, 17. slide block X, 18. rail brackets II, 19. line slideway IV, 20. ball-screw II, 21. bearing block II, 22. base II, 23. line slideway III 24. electric machine supports, 25. rail brackets I, 26. line slideway V, 27. slide block IX, 28. bearing block III, 29. connection bracket I, 30. emery wheel I, 31. workpiece array, 32. bearing block I, 33. fixture 34. alignment pin arrays, 35. sealing ring I, 36. ball-screw I, 37. sealing shroud I, 38. sealing ring III, 39. sealing shroud III, 40. sealing ring II, 41. sealing shroud II, 42. ring-like bearing block II 43. line slideway II, 44. line slideway I, 45. slide block III, 46. slide block I, 47. leading screw feeding seat I, 48. slide block IV, 49. slide block II, 50. leading screw feeding seat III, 51. slide block V, 52. leading screw feeding seat II, 53. slide block VI, 54. slide block VIII, 55. slide block VII, 56. leading screw feeding seat IV, 57. base plate, 58. connection bracket II, 59. servomotor, 60. connection bracket IV, 61. spline hood I 62. electric machine main shafts, 63. spline hood II, 64. short screw array I, 65. baffle ring I, 66. deep groove ball bearing II, 67. sleeve II, 68. thrust ball bearing II, 69. dividing plate I, 70. sunk screw array I, 71. thrust ball bearing I, 72. sleeve I, 73. deep groove ball bearing I, 74. back-up ring I, 75. spline mother set I, 76. the female I of spline, 77. long spiro nail array I, 78. long spiro nail array II, 79. the female II of spline, 80. spline mother set II, 81. back-up ring II, 82. deep groove ball bearing III, 83. sleeve III 84. thrust ball bearing III, 85. sunk screw array II, 86. dividing plate II, 87. thrust ball bearing IV 88. sleeve IV, 89. deep groove ball bearing IV, 90. baffle ring II, 91. short screw array II, 92. alternating current generator base I, 93. alternating current generator base II, 94. alternating current generator base III

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is explained in detail:

General structure from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe scheme provided by the invention as shown in Figure 1, it comprises electric chief axis system, wheel grinding system, servo feed system and pedestal 7, shown in Fig. 1 and Fig. 2, wherein, electric chief axis system is fixed on pedestal 7, servo feed system is fixed on pedestal 7, and servo feed system and electric chief axis system perpendicular, wheel grinding system at right angle setting is in servo feed system top.

Electric chief axis system comprises rotary system and supplementary feeding system, and the rotary system at right angle setting is in supplementary feeding system top;

Shown in Fig. 3, rotary system comprises electric main shaft 1, electric spindle slide 2, fixture 33, workpiece array 31 and alignment pin array 34, alignment pin array 34 is for the location of workpiece array 31, workpiece in workpiece array 31 evenly gathers on fixture 33, workpiece array 31 and alignment pin array 34 clampings are on fixture 33, fixture 33 is adsorbed on the vacuum cup of electric main shaft 1, makes the rotation of electric main shaft 1 can drive 31 rotations of workpiece array, is convenient to from the axle curved surface, carrying out high efficient grinding;

Shown in Fig. 4 and Fig. 5, the supplementary feeding system comprises alternating current generator I 6, alternating current generator base I 92, shaft coupling I 4, ring-like bearing block I 3, ball-screw I 36, sealing shroud I 37, leading screw feeding seat I 47, sealing ring I 35, bearing block I 32, line slideway I 44, slide block I 46, slide block II 49, line slideway II 43, slide block III 45, slide block IV 48 and base I 5, wherein alternating current generator I 6 is fixed on base I 5 by alternating current generator base I 92, the output of alternating current generator I 6 drives the rotation of ball-screw I 36 by shaft coupling I 4 and ring-like bearing block I 3, there are sealing shroud I 37 and sealing ring I 35 in the two ends of ball-screw I 36, with ring-like bearing block I 3, with bearing block I 32, be fixedly connected with respectively, leading screw feeding seat Ⅰ47 center and ball-screw I 36 are flexibly connected by screw thread, and the end face of leading screw feeding seat I 47 is fixedly connected with the underrun bolt of the electric spindle slide 2 in rotary system, and alternating current generator I 6 can the driven rotary system be moved, slide block I 46, slide block II 49 all are flexibly connected with line slideway I 44, slide block III 45, slide block IV 48 all are flexibly connected with line slideway II 43, the end face of slide block I 46, slide block II 49 and slide block III 45, slide block IV 48 is fixedly connected with the underrun bolt of electric spindle slide 2, and the movement of rotary system is play the guiding role.

Shown in Fig. 7, the wheel grinding system comprises support system, grinding wheel spindle system and longitudinal feed system, and wherein grinding wheel spindle system arranged parallel is in the longitudinal feed system top, and grinding wheel spindle system and longitudinal feed system arranged parallel are in support system the place ahead;

Shown in Fig. 6, support system comprises base plate 57, electric machine support 24, line slideway V 26, rail brackets I 25, slide block IX 27, line slideway VI 16, rail brackets II 18 and slide block X 17, electric machine support 24 bottoms are fixedly connected with by screw with base plate 57, rail brackets I 25 and rail brackets II 18 all are fixedly connected on respectively electric machine support 24 both sides by screw, line slideway V 26 is connected with rail brackets I 25, line slideway VI 16 is connected with rail brackets II 18, slide block IX 27 is flexibly connected with line slideway V 26, slide block X 17 is flexibly connected with line slideway VI 16.

The grinding wheel spindle system comprises active system, the emery wheel system, transmission system and connection bracket system, wherein, the emery wheel system, transmission system and connection bracket system are mirror image, the radial central axis of active system of take is symmetry axis, the left-half of emery wheel system and right half part transverse uniaxial respectively are placed in left side and the right side of active system, the left-half coaxial package of transmission system is in the left side of emery wheel system left-half, the right half part coaxial package of transmission system is in the right side of emery wheel system right half part, the coaxial nested left side that is placed in the transmission system left-half of the left-half of connection bracket system, the coaxial nested right side that is placed in the transmission system right half part of the right half part of connection bracket system.

Shown in Fig. 7 and Fig. 9, active system comprises servomotor 59, electric machine main shaft 62, the female I 76 of spline and the female II 79 of spline, servomotor 59 is two ends output type motors, the two ends of electric machine main shaft 62 have spline, the female I 76 of spline and the female II 79 of spline match with the spline at electric machine main shaft 62 two ends respectively, can drive the female II 79 of spline mother's I 76 and spline while making servomotor 59 rotation and rotate simultaneously.

In conjunction with Fig. 9, shown in Figure 10 and Figure 11, the emery wheel system is mirror image, comprise emery wheel I 30, long spiro nail array I 77, spline mother set I 75, back-up ring I 74, emery wheel II 15, long spiro nail array II 78, spline mother set II 80 and back-up ring II 81, the radial central axis of active system of take is symmetry axis, take the left side of emery wheel system half side be example, the inboard of emery wheel I 30 is fixedly connected with the outside of spline mother set I 75, back-up ring I 74 and spline mother set I 75 are fixedly connected with and are positioned at the outside of emery wheel I 30, play the effect of the emery wheel I 30 that is fixedly clamped, spline mother set I 75 is connected by long spiro nail array I 77 and the female I 76 of the spline in active system, except long spiro nail array I 77, on the female I 76 of the spline of the equal movable set of left half side other parts of emery wheel system in active system, right half side design is with left half side identical, the inboard of emery wheel II 15 is fixedly connected with the outside of spline mother set II 80, back-up ring II 81 and spline mother set II 80 are fixedly connected with and are positioned at the outside of emery wheel II 15, play the effect of the emery wheel II 15 that is fixedly clamped, spline mother set II 80 is connected mutually by long spiro nail array II 78 and the female II 79 of the spline in active system, except long spiro nail array II 78, on the female II 79 of the spline of the equal movable set of right half side other parts of emery wheel system in active system, thereby make servomotor 59 can drive emery wheel I 30 and 15 rotations of emery wheel II.

In conjunction with Fig. 9, shown in Figure 10 and Figure 11, transmission system is mirror image, comprises deep groove ball bearing I 73, sleeve I 72, thrust ball bearing I 71, dividing plate I 69, thrust ball bearing II 68, sleeve II 67, deep groove ball bearing II 66, baffle ring I 65, deep groove ball bearing III 82, sleeve III 83, thrust ball bearing III 84, dividing plate II 86, thrust ball bearing IV 87, sleeve IV 88, deep groove ball bearing IV 89 and baffle ring II 90, the included original paper of transmission system all is sleeved on electric machine main shaft 62, as shown in figure 12, the radial central axis of active system of take is symmetry axis, take the left side of transmission system half side be example, left half side the comprised element of the system of passing on Gong all is sleeved on the outside of the female I 76 of spline, and the end that is embedded in the female I 76 of spline except baffle ring I 65 is slotted at home and abroad, all adopt movable contact between other elements, from nearly emery wheel I 30 ends to electric machine main shaft 62 on this side end face direction, the installation ordering of each element is deep groove ball bearing I 73, sleeve I 72, thrust ball bearing I 71, dividing plate I 69, thrust ball bearing II 68, sleeve II 67, deep groove ball bearing II 66, the end face of deep groove ball bearing I 73 contacts with connection bracket II 58, transmission system right half side design and left half side symmetry, right half side comprised element all is sleeved on the outside of the female II 79 of spline, and the end that is embedded in the female II 79 of spline except baffle ring II 90 is slotted at home and abroad, all adopt movable contact between other elements, from nearly emery wheel II 15 ends to electric machine main shaft 62 on this side end face direction, the installation ordering of each element is deep groove ball bearing III 82, sleeve III 83, thrust ball bearing III 84, dividing plate II 86, thrust ball bearing IV 87, sleeve IV 88, deep groove ball bearing IV 89, and the end face of deep groove ball bearing III 82 contacts with connection bracket IV 60, this transmission system can move along electric machine main shaft 62, but can not rotate, and can effectively eliminate or reduce the power in the wheel grinding process, improves the stability of a system and machining accuracy.

In conjunction with Fig. 9, shown in Figure 10 and Figure 11, the connection bracket system is mirror image, comprise connection bracket II 58, sunk screw array I 70, connection bracket I 29, short screw array I 64, spline hood I 61, connection bracket IV 60, sunk screw array II 85, connection bracket III 14, short screw array II 91 and spline hood II 63, the radial central axis of active system of take is symmetry axis, take the left side of connection bracket system half side be example, wherein the circular end surface of connection bracket II 58 and connection bracket I 29 is nested in the transmission system outside after being fixedly connected with by sunk screw array I 70, spline hood I 61 is fixedly connected with connection bracket I 29 by short screw array I 64, back-up ring I 74 in the end face of connection bracket II 58 and emery wheel system is flexibly connected, the half side design in the right side of connection bracket system is with left half side identical, the circular end surface of connection bracket IV 60 and connection bracket III 14 is nested in the transmission system outside after being fixedly connected with by sunk screw array II 85, spline hood II 63 is fixedly connected with connection bracket III 14 by short screw array II 91, and the back-up ring II 81 in the end face of connection bracket IV 60 and emery wheel system is flexibly connected, the square end surface of connection bracket I 29 and connection bracket III 14 is fixedly connected with slide block X 17 with the slide block IX 27 in support system by screw respectively, the connection bracket system can be moved along line slideway V 26 and line slideway VI 16, in addition, can also increase the rigidity of whole grinding wheel spindle system.

Shown in Figure 12 and Figure 13, longitudinal feed system comprises alternating current generator III 10, alternating current generator base III 94, shaft coupling III 11, ring-like bearing block III 12, sealing shroud III 39, ball-screw III 13, leading screw feeding seat III 50, leading screw feeding seat IV 56, sealing ring III 38 and bearing block III 28; Wherein alternating current generator base III 94 is fixedly connected with the base plate 57 in support system by screw, alternating current generator III 10 is fixedly connected with alternating current generator base III 94 by screw, and its output drives the rotation of ball-screw III 13 by shaft coupling III 11 and ring-like bearing block III 12; The middle part of ball-screw III 13 is provided with two sections screw threads that direction of rotation is contrary and pitch is equal, and there are sealing shroud III 39 and sealing ring III 38 in its two ends, with ring-like bearing block III 12, with bearing block III 28, is fixedly connected with respectively; The threaded portion of leading screw feeding seat III 50 and leading screw feeding seat Ⅳ56 center and ball-screw III 13 is flexibly connected by screw thread, its end face respectively with the grinding wheel spindle system in connection bracket II 58 and the square face of connection bracket IV 60 be bolted to connection, make alternating current generator III 10 can drive the connection bracket system and move, and then realized that alternating current generator III 10 drives emery wheel I 30 and emery wheel II 15 is done locking phase to movement at the directions X of lathe.

In conjunction with Figure 13 and Figure 14, servo feed system comprises alternating current generator II 8, alternating current generator base II 93, shaft coupling II 9, ring-like bearing block II 42, sealing shroud II 41, ball-screw II 20, leading screw feeding seat II 52, sealing ring II 40, bearing block II 21, line slideway III 23, slide block VIII 54, slide block VII 55, line slideway IV 19, slide block V 51, slide block VI 53 and base II 22; Wherein, alternating current generator base II 93 is fixedly connected with base II 22 by screw, and alternating current generator II 8 is fixedly connected with alternating current generator base II 93 by screw, and its output drives 20 rotations of ball-screw II by shaft coupling II 9 and ring-like bearing block II 42; There are sealing shroud II 41 and sealing ring II 40 in the two ends of ball-screw II 20, and sealing shroud II 41 is fixedly connected with bearing block II 21 with ring-like bearing block II 42 respectively with sealing ring II 40; The threaded portion of leading screw feeding seat Ⅱ52 center and ball-screw II 20 is flexibly connected by screw thread, the end face of leading screw feeding seat II 52 is fixedly connected with the underrun bolt of the base plate 57 in the wheel grinding system, thereby make alternating current generator II 8 can drive the wheel grinding system, does feeding in the Z of lathe direction and moves; Slide block VIII 54, slide block VII 55 are flexibly connected with line slideway III 23 respectively, slide block V 51, slide block VI 53 are flexibly connected with line slideway IV 19 respectively, the end face of slide block VIII 54, slide block VII 55 and slide block V 51, slide block VI 53 is fixedly connected with the underrun bolt of base plate 57 in the wheel grinding system, movement to the wheel grinding system play the guiding role, and realizes that emery wheel I 30 and emery wheel II 15 do feeding in the Z of lathe direction and move.

Electric chief axis system adopts screw to be fixedly connected with by its base I 5 with pedestal 7, the wheel grinding system adopts screw to be fixedly connected with by its base plate 57 with leading screw feeding seat II 52, slide block VIII 54, slide block VII 55, slide block V 51 and slide block VI 53 in servo feed system, and servo feed system adopts screw to be fixedly connected with by its base II 22 with pedestal 7.

Operation principle from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe provided by the invention is: when carrying out grinding, to be processed by making alternating current generator I 6 work that workpiece array 31 to be ground is moved to corresponding machining area, open electric main shaft 1 and make workpiece array 31 High Rotation Speeds, open servomotor 59 and make emery wheel I 30 and emery wheel II 15 High Rotation Speeds, opening alternating current generator III 10 and alternating current generator II 8 can also move along the Z direction of lathe emery wheel I 30 and emery wheel II 15 when the directions X of lathe moves, thereby realized the synchronous high-efficiency grinding processing to workpiece array 31.

Shown in Figure 17, if need to carry out grinding to single workpiece, workpiece to be processed directly can be adsorbed on the vacuum cup of electric main shaft 1, match emery wheel I 30 or emery wheel II 15 are moved to workpiece place to be processed by alternating current generator II 8 and alternating current generator III 10, this lathe just can be realized the general grinding of single emery wheel to single workpiece, improves practicality and the versatility of lathe.

Claims

1. from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it comprises electric chief axis system and pedestal (7), it is upper that electric chief axis system is fixed in pedestal (7), and electric chief axis system comprises rotary system and supplementary feeding system, and the rotary system at right angle setting is in supplementary feeding system top; It is characterized in that, should also comprise wheel grinding system and servo feed system from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, wheel grinding system at right angle setting is in the servo feed system top, the wheel grinding system comprises support system, grinding wheel spindle system and longitudinal feed system, wherein grinding wheel spindle system arranged parallel is in the longitudinal feed system top, and grinding wheel spindle system and longitudinal feed system arranged parallel are in support system the place ahead; It is upper that servo feed system is fixed in pedestal (7), and servo feed system and electric chief axis system perpendicular.

According to claimed in claim 1 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, the support system of described wheel grinding system comprises base plate (57), electric machine support (24), line slideway V (26), rail brackets I (25), slide block IX (27), line slideway VI (16), rail brackets II (18) and slide block X (17), electric machine support (24) bottom is fixedly connected with by screw with base plate (57), rail brackets I (25) and rail brackets II (18) are fixedly connected on electric machine support (24) both sides by screw respectively, line slideway V (26) is connected with rail brackets I (25), line slideway VI (16) is connected with rail brackets II (18), slide block IX (27) is flexibly connected with line slideway V (26), slide block X (17) is flexibly connected with line slideway VI (16).

According to claimed in claim 1 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, the grinding wheel spindle system of described wheel grinding system comprises active system, the emery wheel system, transmission system and connection bracket system, wherein, the emery wheel system, transmission system and connection bracket system are mirror image, the radial central axis of active system of take is symmetry axis, the left-half of emery wheel system and right half part transverse uniaxial respectively are placed in left side and the right side of active system, the left-half coaxial package of transmission system is in the left side of emery wheel system left-half, the right half part coaxial package of transmission system is in the right side of emery wheel system right half part, the coaxial nested left side that is placed in the transmission system left-half of the left-half of connection bracket system, the coaxial nested right side that is placed in the transmission system right half part of the right half part of connection bracket system.

According to claimed in claim 3 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, described active system comprises servomotor (59), electric machine main shaft (62), the female I (76) of spline and the female II (79) of spline, wherein, servomotor (59) is two ends output type motors, the two ends of electric machine main shaft (62) have spline, and the female I (76) of spline and the female II of spline (79) match with the spline at electric machine main shaft (62) two ends respectively.

According to claimed in claim 3 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, described emery wheel system comprises emery wheel I (30), long spiro nail array I (77), spline mother set I (75), back-up ring I (74), emery wheel II (15), long spiro nail array II (78), spline mother set II (80) and back-up ring II (81), the radial central axis of active system of take is symmetry axis, in the left-half of emery wheel system, the inboard of emery wheel I (30) is fixedly connected with the outside of spline mother set I (75), back-up ring I (74) and spline mother set I (75) are fixedly connected with and are positioned at the outside of emery wheel I (30), spline mother set I (75) is fixedly connected with active system by long spiro nail array I (77), in the right half part of emery wheel system, the inboard of emery wheel II (15) is fixedly connected with the outside of spline mother set II (80), back-up ring II (81) and spline mother set II (80) are fixedly connected with and are positioned at the outside of emery wheel II (15), and spline mother set II (80) is connected by long spiro nail array II (78) and active system.

According to claimed in claim 3 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, described transmission system comprises deep groove ball bearing I (73), sleeve I (72), thrust ball bearing I (71), dividing plate I (69), thrust ball bearing II (68), sleeve II (67), deep groove ball bearing II (66), baffle ring I (65), deep groove ball bearing III (82), sleeve III (83), thrust ball bearing III (84), dividing plate II (86), thrust ball bearing IV (87), sleeve IV (88), deep groove ball bearing IV (89) and baffle ring II (90), the radial central axis of active system of take is symmetry axis, left-half in transmission system, take symmetry axis as inboard, deep groove ball bearing I (73), sleeve I (72), thrust ball bearing I (71), dividing plate I (69), thrust ball bearing II (68), sleeve II (67), deep groove ball bearing II (66) is flexibly connected successively along the order from the inboard to the outside, right half part in transmission system, take symmetry axis as inboard, and deep groove ball bearing III (82), sleeve III (83), thrust ball bearing III (84), dividing plate II (86), thrust ball bearing IV (87), sleeve IV (88), deep groove ball bearing IV (89) are flexibly connected successively along the order from the inboard to the outside.

According to claimed in claim 3 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, described connection bracket system comprises connection bracket II (58), sunk screw array I (70), connection bracket I (29), short screw array I (64), spline hood I (61), connection bracket IV (60), sunk screw array II (85), connection bracket III (14), short screw array II (91) and spline hood II (63), the radial central axis of active system of take is symmetry axis, left-half in the connection bracket system, the circular end surface of connection bracket II (58) and connection bracket I (29) is nested in the outside of the left-half of transmission system after being fixedly connected with by sunk screw array I (70), spline hood I (61) is fixedly connected with connection bracket I (29) by short screw array I (64), the end face of connection bracket II (58) is connected with the emery wheel system activity, right half part in the connection bracket system, the circular end surface of connection bracket IV (60) and connection bracket III (14) is nested in the outside of transmission system after being fixedly connected with by sunk screw array II (85), spline hood II (63) is fixedly connected with connection bracket III (14) by short screw array II (91), and the end face of connection bracket IV (60) and the back-up ring II (81) in the emery wheel system are flexibly connected, the square end surface of connection bracket I (29) and connection bracket III (14) is fixedly connected with the support system of wheel grinding system by screw respectively.

According to claim 4 in claim 7 arbitrary one described from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, spline mother set I (75) in described emery wheel system is fixedly connected with the female I of spline (76) in active system by long spiro nail array I (77), and spline mother set II (80) is fixedly connected with the female II of spline (79) in active system by long spiro nail array II (78); Baffle ring I (65) in described transmission system is embedded in the end fluting of the female I of spline (76) in active system, the end face of deep groove ball bearing I (73) contacts with the connection bracket II (58) in the connection bracket system, baffle ring II (90) is embedded in the end fluting of the female II of spline (79) in active system, and the end face of deep groove ball bearing III (82) contacts with the connection bracket IV (60) in the connection bracket system; The end face of the connection bracket II (58) of described connection bracket system and the back-up ring I (74) in the emery wheel system are flexibly connected, and the end face of connection bracket IV (60) and the back-up ring II (81) in the emery wheel system are flexibly connected.

According to claimed in claim 1 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, described longitudinal feed system comprises alternating current generator III (10), alternating current generator base III (94), shaft coupling III (11), ring-like bearing block III (12), sealing shroud III (39), ball-screw III (13), leading screw feeding seat III (50), leading screw feeding seat IV (56), sealing ring III (38) and bearing block III (28); Wherein, alternating current generator base III (94) is fixedly connected with support system by screw, alternating current generator III (10) is fixedly connected with alternating current generator base III (94) by screw, and alternating current generator III (10) output drives ball-screw III (13) rotation by shaft coupling III (11) and ring-like bearing block III (12); The middle part of ball-screw III (13) is provided with two sections screw threads that direction of rotation is contrary and pitch is equal, its two ends are provided with sealing shroud III (39) and sealing ring III (38), and sealing shroud III (39) is fixedly connected with bearing block III (28) with ring-like bearing block III (12) respectively with sealing ring III (38); The threaded portion of the center of leading screw feeding seat III (50) and leading screw feeding seat IV (56) and ball-screw III (13) is flexibly connected, and the end face of leading screw feeding seat III (50) and leading screw feeding seat IV (56) is fixedly connected with the grinding wheel spindle system respectively.

According to claimed in claim 1 from axle curved surface double abrasive wheel synchronous high-efficiency grinding lathe, it is characterized in that, described servo feed system comprises alternating current generator II (8), alternating current generator base II (93), shaft coupling II (9), ring-like bearing block II (42), sealing shroud II (41), ball-screw II (20), leading screw feeding seat II (52), sealing ring II (40), bearing block II (21), line slideway III (23), slide block VIII (54), slide block VII (55), line slideway IV (19), slide block V (51), slide block VI (53) and base II (22), wherein, alternating current generator base II (93) is fixedly connected with base II (22) by screw, alternating current generator II (8) is fixedly connected with alternating current generator base II (93) by screw, and its output drives ball-screw II (20) rotation by shaft coupling II (9) and ring-like bearing block II (42), the two ends of ball-screw II (20) are provided with sealing shroud II (41) and sealing ring II (40), and sealing shroud II (41) is fixedly connected with bearing block II (21) with ring-like bearing block II (42) respectively with sealing ring II (40), the threaded portion of the center of leading screw feeding seat II (52) and ball-screw II (20) is flexibly connected, and the end face of leading screw feeding seat II (52) is fixedly connected with the wheel grinding system, slide block VIII (54), slide block VII (55) are flexibly connected with line slideway III (23) respectively, slide block V (51), slide block VI (53) are flexibly connected with line slideway IV (19) respectively, and the end face of slide block VIII (54), slide block VII (55) and slide block V (51), slide block VI (53) is fixedly connected with the wheel grinding system, base II (22) is connected by screw with pedestal (7).