TW201924818A - Gang type lathe with multiplied processing efficiency capable of processing and cutting multiple workpieces at the same time and reducing manufacturing cost - Google Patents

Abstract

A gang type lathe with multiplied processing efficiency mainly includes a machine table, a first spindle unit disposed on the machine table, a second spindle unit disposed on the machine table, a spindle driving source disposed on the machine table, a tool post driving source disposed on the machine table, a first tool post unit and a second tool post unit. The spindle driving source is configured to drive the first spindle unit and the second spindle unit to rotate. The tool post driving source has a driving motor, a screw linked to the driving motor, a first nut and a second nut. The screw has a rotating thread segment and a counter-rotating thread segment. The first nut is screwed onto the rotating thread segment, the second nut is screwed onto the counter-rotating thread segment. The first tool post unit has a first platform and a first tool post, the first platform is fixed to the first nut, then the first tool post is mounted on the first platform. The second tool post unit has a second platform and a second tool post, the second platform is fixed to the second nut, then the second tool post is mounted on the second platform. With the tool post driving source simultaneously driving the first tool post unit and the second tool post unit to perform reciprocating displacement of synchronously moving close and away in the Z-axis direction, the first tool post can perform reciprocating displacement in the X-axis direction, and the second tool post can perform reciprocating displacement in the X-axis direction, so that multiple workpieces can be processed and cut at the same time, and multiplied processing efficiency can be achieved.

Description

Lathe-type lathe with multiple processing efficiency

The novel relates to a processing machine, and more specifically to a boring lathe having multiple processing efficiencies.

Press, the lathe is mainly divided into two types: the boring lathe and the turret lathe. Among them, the boring lathe is provided with a tool on the tool holder, and the machining action of the tool change is performed by the movement of the tool holder. The disadvantage is that when the workpiece is large, the number of tools that can be set is small, but the advantage is It is fast in tool change and short in processing time. In addition, the turret lathe must be equipped with a power turret, which is housed by a power turret, and the turret can be moved and rotated for tool change. The disadvantage is that the turret is bulky and has high manufacturing cost, but the advantage is that it can be complicated. Processing action. Regardless of the type of lathe or turret lathe, each has its own advantages and disadvantages, and can be selected according to the actual processing needs. However, since the machining spindle of the conventional boring lathe is driven by a servo motor, the cost of the servo motor is too high. Moreover, the processing efficiency of such a boring lathe is not good.

In view of the above, in order to improve the prior art, the conventional lathe lathe has poor processing efficiency, high manufacturing cost, and poor market competitiveness. Therefore, the present invention provides a boring lathe with multiple processing efficiencies, mainly The utility model comprises: a machine platform having a Z-axis mounting surface; a first spindle unit disposed on the machine; a second spindle unit disposed on the machine; a spindle driving source, a system setting And coupled to the first spindle unit and the second spindle unit to provide rotational power required by the first spindle unit and the second spindle unit; a tool holder driving source having a driving motor, a screw, a first nut and a second nut, the driving motor is disposed on the machine, the screw is disposed on the Z-axis mounting surface of the machine, and is coupled to the driving motor. The screw has a positively-rotating threaded section and a counter-rotating threaded section, the first nut is screwed onto the positive-rotating threaded section, and the second nut is screwed to the counter-rotating threaded section; The tool holder unit has a first platform, a first X-axis power source, and a a first tool holder is fixed to the first nut of the tool holder driving source, and the first X-axis power source is disposed on the first platform, the first knife The frame is coupled to the first X-axis power source, the first tool holder is disposed on the first tool holder; and the second tool holder unit has a second platform, a second X-axis power source, and a second a second tool holder and a plurality of second tool holders, the second platform is fixed to the second nut of the tool holder driving source, and the second X-axis power source is disposed on the second platform, the first The second tool holder is coupled to the second X-axis power source, and the second tool holder is disposed on the second tool holder; thereby the first tool holder unit and the second knife are simultaneously driven by the tool holder driving source The frame unit performs synchronous reciprocating displacement in the Z-axis direction, the first X-axis power source drives the first tool holder to perform reciprocating displacement in the X-axis direction, and the second X-axis power source drives the second tool holder The reciprocating displacement in the X-axis direction is performed; thereby, the efficiency of the multiple processing and the manufacturing cost can be reduced.

In order to enable the reviewing committee to have a better understanding and recognition of the features and characteristics of the present invention, the following embodiments are illustrated and described below with reference to the drawings: Referring to the first to sixth figures, the first preferred embodiment of the present invention The utility model provides a boring lathe 100 with multiple processing efficiency, which mainly comprises a machine table 10, a first spindle unit 20, a second spindle unit 30, a spindle drive source 40, a tool holder drive source 50, and a The first tool post unit 60 and a second tool post unit 70, wherein: Referring to the first to third figures, the machine table 10 can be stably placed on a ground (or plane). The machine base 10 has a Z-axis mounting surface 11 having a plurality of Z-axis slide rails 111 extending along the Z-axis mounting surface 11 in parallel with each other and a plurality of sliding slides on the Z-axis. Z-axis slider 112 on rail 111. Referring to the first to third figures, the first spindle unit 20 has a first spindle holder 21 and a first spindle 22. The first main shaft base 21 is fixed at one end of the Z-axis mounting surface 11 of the machine base 10. The first main shaft 22 is disposed on the first main spindle base 21 and can be externally acted upon with respect to the first A spindle holder 21 performs a home shaft rotation. The first spindle 22 has a first spindle clamp 221 at one end for holding the workpiece to be processed and a first spindle pulley 222 at the other end. Referring to the first to third figures, the second spindle unit 30 has a second spindle holder 31 and a second spindle 32. The second main shaft base 31 is fixed to the other end of the Z-axis mounting surface 11 of the machine base 10. The second main shaft 32 is disposed on the second main shaft base 31 and can be externally acted upon. The second spindle holder 31 performs a home shaft rotation. The second spindle 32 has a second spindle clamp 321 at one end for holding the workpiece to be processed, and the other end has a second spindle pulley 322, and the second spindle clamp 321 Opposite the first spindle clamp 221 . Referring to the first to third figures, the spindle drive source 40 is disposed on the machine 10 for providing the first spindle 22 of the first spindle unit 20 and the second spindle unit 30. The power required for the spindle 32 to rotate. The spindle drive source 40 has a first drive motor 41, a first belt 42, a second drive motor 43, and a second belt 44. The first drive motor 41 is disposed on the machine 10 and has one end. a first motor pulley 411 coupled between the first motor pulley 411 and the first spindle pulley 222 to transmit the rotational power of the first drive motor 41 to the first spindle 22, The second driving motor 43 is disposed on the machine table 10, and has a second motor pulley 431 at one end. The second belt 44 is coupled between the second motor pulley 431 and the second spindle pulley 322 to The rotational power of the two drive motors 43 is transmitted to the second main shaft 32. Referring to the first to third figures, the tool holder driving source 50 has a driving motor 51, a bearing housing 52, a screw 53, a first nut 54 and a second nut 55. The driving motor 51 is disposed at one end of the Z-axis mounting surface 11 of the machine table 10. The bearing housing 52 is disposed at the other end of the Z-axis mounting surface 11 of the machine table 10. One end of the screw 53 The driving motor 51 is coupled to the driving motor 51, and the other end is received by the bearing housing 52, so that the screw 53 can be rotated in the original shaft on the Z-axis mounting surface 11. The outer peripheral surface of the screw 53 has a positive-rotating thread segment 531. And a counter-rotating thread segment 532, the first nut 54 is screwed onto the positive-rotating thread segment 531 of the screw 53, and the second nut 55 is screwed to the counter-rotating screw segment 532. Referring to the first to third figures, the first tool post unit 60 has a first platform 61, a first X-axis power source 62, a first tool post 63 and a plurality of first tool holders 64. The bottom of the first platform 61 is fixed to the first nut 54 of the tool holder driving source 50 and the Z-axis slider 112 of the machine table 10, and is driven by the tool holder driving source 50 along the Z-axis direction. Reciprocating displacement, the top surface of the first platform 61 has a first X-axis mounting surface 611, and the first X-axis mounting surface 611 has a plurality of extending along the first X-axis mounting surface 611 in parallel with each other. a first X-axis slide rail 612 and a plurality of first X-axis slides 613 sliding on the first X-axis slide rail 612; the first X-axis power source 62 has a first power motor 621 and a first bearing a first 622, a first screw 623 and a first nut 624. The first power motor 621 is disposed at one end of the first X-axis mounting surface 611 of the first platform 61. The first bearing housing 622 is The first screw 623 is connected to the first power motor 621 at one end of the first X-axis mounting surface 611 of the first platform 61, and the other end is received by the first bearing block 622. A nut 624 is screwed onto the first screw 623; the first tool post 63 has a flat shape, and a bottom surface thereof is coupled to the first X-axis slide 613 of the first platform 61 and the first X-axis The first nut 624 of the force source 62 is fixed and can be driven by the first X-axis power source 62 to perform a reciprocating displacement in the X-axis direction along the first X-axis mounting surface 611. The first tool post 63 The top surface has a plurality of first dovetail grooves 631 arranged in parallel with each other; the first tool holders 64 are respectively used for fixing the first type of cutters 641 of the respective types, and each of the first seats 64 has a first tailstock seat (not shown) is used for assembly with the first dovetail groove 631 of the first tool post 63. Referring to the first to third figures, the second tool rest unit 70 has a second platform 71, a second X-axis power source 72, a second tool post 73 and a plurality of second tool holders 74. The bottom of the second platform 71 is fixed to the second nut 55 of the tool holder driving source 50 and the Z-axis slider 112 of the machine table 10, and can be driven by the tool holder driving source 50 along the Z-axis direction. Reciprocating displacement, the top surface of the second platform 71 has a second X-axis mounting surface 711, and the second X-axis mounting surface 711 has a plurality of parallel extending along the second X-axis mounting surface 711. a second X-axis slide 712 and a plurality of second X-axis slides 713 slidably coupled to the second X-axis slide 712; the second X-axis power source 72 has a second power motor 721 and a second bearing The second power shaft 721 is disposed at one end of the second X-axis mounting surface 711 of the second platform 71, and the second bearing base 722 is disposed at a position of the second X-axis mounting surface 711 of the second platform 71. The other end of the second X-axis mounting surface 711 of the second platform 71 is coupled to the second power motor 721, and the other end is received by the second bearing housing 722. The second nut 724 is screwed onto the second screw 723; the second tool holder 64 has a flat shape, and the bottom surface thereof is coupled to the second X-axis slider 713 of the second platform 71 and the second X-axis. The second nut 724 of the force source 72 is fixed, and is driven by the second X-axis power source 72 to perform a reciprocating displacement in the X-axis direction along the second X-axis mounting surface 711. The second tool holder 73 The top surface has a plurality of second dovetail grooves 731 arranged in parallel with each other; the second tool holders 74 are respectively used to fix the second type of cutters 741 of various types, and each of the second seats 74 has a second tailstock seat (not shown) is used for assembly with the second dovetail groove 731 of the second tool holder 73. Therefore, the above is a description of the components of the boring lathe 100 having multiple processing efficiencies and the composition thereof according to the first preferred embodiment of the present invention, and then the use characteristics thereof are as follows: First, by the first The first spindle clamp 221 of the spindle unit 20 holds a first workpiece 1 , and the second spindle clamp 321 of the second spindle unit 30 holds a second workpiece 2 (as shown in the fourth figure), and The driving motor 51 of the tool holder driving source 50 is actuated to drive the screw 53 to rotate, so that the first nut 54 and the second nut 55 are respectively driven by the rotating screw segment 531 and the counter-rotating screw segment 532. With the first tool post unit 60 and the second tool post unit 70 along the screw 23, simultaneously in the same axial direction (Z-axis direction), the synchronous approach (as shown in the fifth figure) and the distance (such as the first The linear reciprocating displacement shown in Fig. 6). The first tool 641 on the first tool post unit 60 and the second tool 741 on the second tool post unit 70 can be in the Z-axis direction by the first platform 61 and the second platform 71, respectively. Feeding movement, and synchronous movement of the first tool holder 63 and the second tool holder 73 in the X-axis direction (as shown in the third figure), respectively, while simultaneously the first workpiece 1 and the second The workpiece 2 is subjected to a machining and cutting operation. In this way, since the first workpiece 1 and the second workpiece 2 can be machined and cut separately and synchronously, the processing efficiency can be doubled. In addition, in the present invention, the first drive motor 41 and the second drive motor 43 of the spindle drive source 40 are general drive motors instead of servo motors, thereby greatly reducing the manufacturing cost and enhancing the competitiveness of the market. . Referring to the seventh figure, in the above embodiment, the spindle driving source drives the first main shaft and the second main shaft by using the first driving motor and the second driving motor, respectively. However, in fact, the spindle drive source may be of other types. As shown in the seventh figure, the spindle drive source 80 has a drive motor 81, two bearing blocks 82, a transmission rod 83, a transmission belt 84, and a first Belt 85 and a second belt 86. The driving motor 81 is disposed on the machine table, and has a motor pulley 811 at one end. The two bearing housings 82 are disposed on the machine base. The transmission rod 83 has a rod body 831 received on the bearing housing 82. An input pulley 832 connected to the middle of the rod body 831 and two output pulleys 833 respectively connected to the two ends of the rod body 831, the transmission belt 84 is coupled to the motor pulley 811 of the drive motor 81 and the transmission rod The input pulley 832 of 83 transmits the rotational power of the drive motor 81 to the transmission rod 83. The first belt 85 is coupled to one of the output pulleys 833 and the first spindle pulley 222 of the first spindle unit 20. The second belt 86 is coupled between the other output pulley 833 and the second spindle pulley 322 of the second spindle unit 30 to transmit the rotational power of the transmission rod 83 to the first spindle 22 and the On the second spindle 32. Thereby, the present invention can simultaneously drive the two main spindles (the first main shaft 22 and the second main shaft 32) by a single driving motor 81, and the cost required for manufacturing can be further reduced. Referring to the eighth embodiment, a boring lathe 200 with multiple processing efficiency according to a second preferred embodiment of the present invention includes a machine table 10 and a first spindle unit 20, as in the first preferred embodiment. A second spindle unit 30, a spindle drive source 40, a tool holder drive source 50, a first tool post unit 60, and a second tool post unit 70, but the main difference is that: the embodiment further includes a third spindle unit 91 and a fourth spindle unit 92. The third spindle unit 91 has a third spindle holder 911 and a third spindle 912. The third spindle holder 911 is fixed at one end of the Z-axis mounting surface 11 of the machine 10, and is located at the first position. Next to the spindle unit 20, the third spindle 912 is disposed on the third spindle holder 911, and can be rotated by a local axis with respect to the third spindle holder 911. The third spindle 912 has a third spindle at one end. The clamp 913 is for holding the workpiece to be processed, and the other end has a third spindle pulley 914. The fourth spindle unit 92 has a fourth spindle holder 921 and a fourth spindle 922. The fourth spindle holder 921 is fixed at the other end of the Z-axis mounting surface 11 of the machine 10, and is located at the other end. Next to the two spindle units 30, the fourth spindle 922 is disposed on the fourth spindle holder 921, and can be rotated by an external force with respect to the fourth spindle holder 921. The fourth spindle 922 has a fourth end. The spindle clamp 923 is for holding the workpiece to be processed, and the other end has a fourth spindle pulley 924. The third spindle pulley 914 of the third spindle unit 91 and the first spindle pulley 222 of the first spindle unit 20 are simultaneously coupled by the first belt 42 of the spindle drive source 40, and the fourth spindle of the fourth spindle unit 92 The pulley 924 and the second spindle pulley 322 of the second spindle unit 30 are simultaneously coupled by the second belt 44 of the spindle drive source 40. Thereby, the invention can not only clamp the workpiece by the first spindle unit and the second spindle unit respectively, so as to achieve double processing efficiency, and can further clamp the workpiece by the third spindle unit and the fourth spindle unit respectively. Four times the processing efficiency. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all of the related art in the art according to the present invention are equivalent to the present invention. The scope of coverage.

"First Embodiment"

100‧‧‧Lathe-type lathes with multiple processing efficiencies

10‧‧‧ machine

11‧‧‧Z-axis mounting surface

111‧‧‧Z-axis slide

112‧‧‧Z-axis slider

20‧‧‧First spindle unit

21‧‧‧First spindle seat

22‧‧‧First spindle

221‧‧‧First spindle fixture

222‧‧‧First spindle pulley

30‧‧‧Second spindle unit

31‧‧‧Second spindle holder

32‧‧‧Second spindle

321‧‧‧Second spindle clamp

322‧‧‧Second spindle pulley

40‧‧‧Spindle drive source

41‧‧‧First drive motor

411‧‧‧First motor pulley

42‧‧‧First belt

43‧‧‧Second drive motor

431‧‧‧Second motor pulley

44‧‧‧Second belt

50‧‧‧Tool holder drive source

51‧‧‧Drive motor

52‧‧‧ bearing housing

53‧‧‧ screw

531‧‧‧Right thread section

532‧‧‧Reverse thread segment

54‧‧‧ first nut

55‧‧‧Second nut

60‧‧‧First tool holder unit

61‧‧‧First platform

611‧‧‧First X-axis mounting surface

612‧‧‧First X-axis slide

613‧‧‧First X-axis slider

62‧‧‧First X-axis power source

621‧‧‧First power motor

622‧‧‧First bearing housing

623‧‧‧First screw

624‧‧‧First Nut

63‧‧‧First knife holder

631‧‧‧First tail groove

64‧‧‧First knife seat

641‧‧‧First tool

70‧‧‧second tool holder unit

71‧‧‧Second platform

711‧‧‧Second X-axis mounting surface

712‧‧‧Second X-axis slide

713‧‧‧Second X-axis slider

72‧‧‧Second X-axis power source

721‧‧‧Second power motor

722‧‧‧Second bearing

723‧‧‧Second screw

724‧‧‧Second nut

73‧‧‧second knife holder

731‧‧‧second tail groove

74‧‧‧second knife seat

741‧‧‧second tool

1‧‧‧First workpiece

2‧‧‧second workpiece

80‧‧‧Spindle drive source

81‧‧‧Drive motor

811‧‧‧Motor pulley

82‧‧‧ bearing housing

83‧‧‧Drive rod

831‧‧‧ rod body

832‧‧‧Input pulley

833‧‧‧Output pulley

84‧‧‧Drive belt

85‧‧‧First belt

86‧‧‧Second belt

"Second embodiment"

200‧‧‧Lathe-type lathes with multiple processing efficiencies

10‧‧‧ machine

11‧‧‧Z-axis mounting surface

20‧‧‧First spindle unit

222‧‧‧First spindle pulley

30‧‧‧Second spindle unit

322‧‧‧Second spindle pulley

40‧‧‧Spindle drive source

42‧‧‧First belt

44‧‧‧Second belt

50‧‧‧Tool holder drive source

60‧‧‧First tool holder unit

70‧‧‧second tool holder unit

91‧‧‧third spindle unit

911‧‧‧ third spindle seat

912‧‧‧ third spindle

913‧‧‧ Third spindle fixture

914‧‧‧ Third spindle pulley

92‧‧‧fourth spindle unit

921‧‧‧4th spindle seat

922‧‧‧fourth spindle

923‧‧‧4th spindle clamp

924‧‧‧4th spindle pulley

The first figure is an exploded perspective view of a first preferred embodiment of the present invention. The second drawing is a perspective assembled view of the embodiment shown in the first figure. The third figure is a schematic diagram of the operation of the embodiment shown in the first figure. The fourth figure is a schematic view showing the state of use of the embodiment shown in the first figure. The fifth drawing is a schematic diagram of the operation of the embodiment shown in the first figure. The sixth drawing is a schematic diagram of the operation of the embodiment shown in the first figure. Figure 7 is a schematic view showing the structure of another embodiment of the present invention. Figure 8 is a perspective assembled view of a second preferred embodiment of the present invention.

Claims (8)

The utility model relates to a boring lathe with multiple processing efficiency, which mainly comprises: a machine platform having a Z-axis mounting surface, the Z-axis mounting surface having a plurality of Z-axis slides extending along the Z-axis mounting surface in parallel with each other a rail and a plurality of Z-axis sliders slidably coupled to the Z-axis slide rail; a first spindle unit having a first spindle mount and a first spindle, the first spindle mount being fixed to the Z of the machine One end of the shaft mounting surface is disposed on the first main shaft base, and is axially rotated relative to the first main shaft base by an external force, and the first main shaft end has a first main shaft clamp For holding the workpiece to be processed, the other end has a first spindle pulley; a second spindle unit has a second spindle holder and a second spindle, the second spindle holder is fixed on the machine At the other end of the Z-axis mounting surface, the second main shaft is disposed on the second main shaft base, and is axially rotated relative to the second main shaft base by an external force, and the second main shaft has a second end Spindle clamp for holding the workpiece to be machined, the other end has a a spindle pulley, and the second spindle clamp is opposite to the first spindle clamp; a spindle drive source is disposed on the machine, and is coupled to the first spindle pulley of the first spindle unit and the second spindle unit The two spindle pulleys are coupled to provide the rotary power required for the first spindle unit and the second spindle unit to perform the shaft rotation; the tool holder driving source has a driving motor, a bearing seat, a screw, a first nut and a second nut, the driving motor is disposed on the machine table, the bearing seat is disposed on the machine table, the screw is disposed on a Z-axis mounting surface of the machine, and one end is connected to the driving motor The other end is received by the bearing housing, so that the screw can perform the in-situ rotation on the Z-axis mounting surface, the screw has a positive-rotating thread segment and a reverse-rotating thread segment, and the first nut system Screwed onto the positively rotating thread segment, the second nut is screwed onto the counter-rotating thread segment; a first tool post unit having a first platform, a first X-axis power source, and a first a tool holder and a plurality of first tool holders, the first platform is fixed to the a first nut of the tool holder driving source and a Z-axis block of the machine, the first X-axis power source is disposed on the first platform, the first tool holder and the first X-axis power source The first tool holder is disposed on the first tool holder; the second tool holder unit has a second platform, a second X-axis power source, a second tool holder and a plurality of second blades The second platform is fixed to the second nut of the tool holder driving source and the Z-axis slider of the machine base, and the second X-axis power source is disposed on the second platform, the second The tool holder is coupled to the second X-axis power source, and the second tool holder is disposed on the second tool holder; thereby the first tool holder unit and the second tool holder are simultaneously driven by the tool holder driving source The unit performs synchronous reciprocating displacement in the Z-axis direction, the first X-axis power source drives the first tool holder to perform reciprocating displacement in the X-axis direction, and the second X-axis power source drives the second tool holder to perform Reciprocating displacement in the X-axis direction. According to the first aspect of the invention, the spindle drive source has a first drive motor, a first belt, a second drive motor and a second belt, the first a driving motor is disposed on the machine, and has a first motor pulley at one end, the first belt is coupled between the first motor pulley and the first spindle pulley to transmit the rotational power of the first driving motor to The second drive motor is disposed on the machine, and has a second motor pulley at one end, and the second belt is coupled between the second motor pulley and the second spindle pulley to The rotational power of the second drive motor is transmitted to the second spindle. According to the first aspect of the invention, the spindle driving source has a driving motor, a plurality of bearing seats, a transmission rod, a transmission belt, a first belt and a second belt. The drive motor is disposed on the machine, and has a motor pulley at one end. The bearing seat is disposed on the machine base. The transmission rod has a rod body received on the bearing housing, and is connected to the rod. The input pulley at the middle of the body and the output pulley respectively connected to the two ends of the rod are connected between the motor pulley of the driving motor and the input pulley of the driving rod to rotate the driving motor Transmitted to the transmission rod, the first belt is coupled between an output pulley and a first spindle pulley of the first spindle unit, and the second belt is coupled to the other output pulley and the second spindle unit Between the second spindle pulleys, the rotational power of the transmission rod is transmitted to the first main shaft and the second main shaft. The first type of top surface mask of the first tool holder unit has a first X-axis mounting surface, and the first X-axis mounting surface, according to the first aspect of the invention. a first X-axis slide rail extending along the first X-axis mounting surface and a plurality of first X-axis slide rails sliding on the first X-axis slide rail, the first tool holder The bottom surface is fixed to the first X-axis slide of the first platform; the first X-axis power source of the first tool post unit has a first power motor, a first bearing seat, a first screw and a first a first power bearing is disposed at one end of the first X-axis mounting surface of the first platform, and the first bearing seat is disposed at the other end of the first X-axis mounting surface of the first platform a first screw is coupled to the first power bearing, and the other end is received by the first bearing seat, the first nut is screwed to the first screw, and the first nut is coupled to the first nut The bottom surface of the first tool holder is fixed. According to the first aspect of the invention, the first tool holder top surface of the first tool holder unit has a plurality of first dovetail grooves arranged in parallel with each other, and the first tool holders The first tool holders are respectively configured to fix the first type of cutters, and each of the first tool holders has a first tailstock seat, which is assembled with the first tail groove of the first tool holder. The cymbal lathe having a multiple processing efficiency according to the first aspect of the patent application, wherein the second platform top mask of the second tool post unit has a second X-axis mounting surface, the second X-axis mounting surface Having a plurality of second X-axis slide rails extending along the second X-axis mounting surface in parallel with each other and a plurality of second X-axis slide rails slidingly on the second X-axis slide rail, the second tool holder The bottom surface is fixed to the second X-axis slide of the second platform; the second X-axis power source of the second tool holder unit has a second power motor, a second bearing seat, a second screw and a first a second nut, the second power bearing is disposed at one end of the second X-axis mounting surface of the second platform, and the second bearing seat is disposed at the other end of the second X-axis mounting surface of the second platform Positioned, the second screw is coupled to the second power motor at one end, and the other end is received by the second bearing seat, the second nut is screwed to the second screw, and the second nut is coupled to the second screw The bottom surface of the second tool holder is fixed. According to the first aspect of the invention, the second tool holder top surface of the second tool holder unit has a plurality of second dovetail grooves arranged in parallel with each other, and the second tool holders The second tool holders are respectively configured to fix the second type of cutters, and each of the second tool holders has a second tailstock seat, which is assembled with the second tail groove of the second tool holder. The slewing lathe having a multiple processing efficiency according to the scope of claim 1 further includes a third spindle unit and a fourth spindle unit; the third spindle unit has a third spindle seat and a third spindle, The third spindle seat is fixed at one end of the Z-axis mounting surface of the machine and located beside the first spindle unit, and the third spindle system is disposed on the third spindle seat, and can be externally acted upon Performing a home shaft rotation on the third spindle holder, the third spindle has a third spindle clamp at one end for holding the workpiece to be processed, and the other end has a third spindle pulley; the fourth spindle unit has a fourth a spindle seat and a fourth spindle fixed to the other end of the Z-axis mounting surface of the machine, and located beside the second spindle unit, the fourth spindle system is disposed at the fourth The spindle seat can be rotated by the external spindle with respect to the fourth spindle seat. The fourth spindle has a fourth spindle clamp at one end for holding the workpiece to be processed and a fourth spindle pulley at the other end. And the fourth The shaft clamp is opposite to the third spindle clamp; the third spindle pulley of the third spindle unit and the first spindle pulley of the first spindle unit are simultaneously coupled to the main drive source, and the fourth spindle pulley of the fourth spindle unit Simultaneously with the second spindle pulley system of the second spindle unit, the spindle drive source is coupled to provide the rotary power required for the rotation of the third spindle and the fourth spindle.