CN218745080U - Machining device for machining inner and outer surfaces of revolving body workpiece - Google Patents

Abstract

The utility model relates to the technical field of revolving body workpiece processing, in particular to a processing device for processing the inner and outer surfaces of a revolving body workpiece, which comprises a frame, a portal frame, a mounting seat, a workbench component arranged on the frame in a sliding way, a vertical processing component, a horizontal processing component, a clamping component, an ejector pin component and a rotary driving component which are respectively arranged on the workbench component in a sliding way; the clamping assembly can clamp the circumferential direction of the revolving body workpiece; the ejector pin component can be matched with the rotary driving component to clamp two ends of a revolving body workpiece, and the revolving body workpiece clamped by the ejector pin component is driven to rotate by the rotary driving component. After the clamping assembly clamps and positions the revolving body workpiece once, the machining of the revolving body workpiece is completed through the ejector pin assembly, the rotary driving assembly, the horizontal machining assembly and the vertical machining assembly, the machining precision and the machining efficiency of the revolving body workpiece are improved, and the machining and clamping steps are simplified.

Description

Machining device for machining inner and outer surfaces of revolving body workpiece

Technical Field

The utility model belongs to the technical field of solid of revolution work piece processing technique and specifically relates to indicate a processingequipment for processing solid of revolution work piece internal and external surface.

Background

Machining Center (Machining Center), abbreviated as MC, is a high-efficiency automatic machine tool composed of mechanical equipment and a numerical control system and used for Machining workpieces with complex shapes. The machining center is a highly electromechanical integrated product, after a workpiece is clamped, the numerical control system can control the machine tool to automatically select and replace cutters according to different procedures, automatically set the cutters, automatically change the rotating speed of the main shaft, feed amount and the like, and can continuously complete various procedures such as drilling, boring, milling, reaming, tapping and the like. In the process of machining a revolving body workpiece, a machining device of the existing machining center needs to clamp for many times so as to be convenient for the machining device to machine the inner surface and the outer surface of the revolving body workpiece, however, repeated clamping can cause the machining and production efficiency of the revolving body workpiece to be reduced, and the time of auxiliary procedures such as revolving body workpiece position measurement and machine tool adjustment is also increased; the revolving body workpiece is clamped for many times, the precision of the revolving body workpiece during clamping is difficult to guarantee, and the clamping error of the revolving body workpiece is increased. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a processing apparatus for processing the inner and outer surfaces of a revolving body workpiece.

In order to realize the purpose, the utility model adopts the following technical scheme:

a processing device for processing the inner and outer surfaces of a revolving body workpiece comprises a rack, a portal frame arranged on one side of the rack, a mounting seat arranged on the other side of the rack in a sliding manner, a workbench assembly arranged on the rack in a sliding manner, a vertical processing assembly movably arranged on the portal frame, a horizontal processing assembly arranged on the mounting seat in a lifting manner, and a clamping assembly, an ejector pin assembly and a rotary driving assembly which are respectively arranged on the workbench assembly in a sliding manner; along the sliding direction of the clamping assembly, the ejector pin assembly and the rotary driving assembly are respectively positioned on two sides of the clamping assembly; the sliding direction of the clamping component is perpendicular to that of the rotary driving component; the clamping assembly can clamp the circumferential direction of the revolving body workpiece; the ejector pin assembly can be matched with the rotary driving assembly to clamp two ends of a rotary workpiece, and the rotary workpiece clamped by the ejector pin assembly is driven to rotate by the rotary driving assembly.

Furthermore, the vertical machining assembly comprises a first driver arranged on the portal frame, a sliding seat arranged on the portal frame in a sliding mode and a vertical machine head arranged on the sliding seat in a lifting mode, and the first driver is used for driving the sliding seat to slide back and forth relative to the portal frame.

Furthermore, the vertical machine head comprises a second driver, a first motor and a first spindle, wherein the first motor is arranged on the sliding seat in a lifting mode, the first spindle is arranged at the output end of the first motor, and the second driver is used for driving the first motor to lift relative to the sliding seat.

Furthermore, the machining device also comprises a third driver arranged on the rack, and the third driver is used for driving the mounting seat and the horizontal machining assembly to slide relative to the rack; the horizontal machining assembly comprises a driver IV arranged on the mounting seat and a horizontal machine head arranged on the mounting seat in a lifting mode, and the driver IV is used for driving the horizontal machine head to lift relative to the mounting seat.

Furthermore, the clamping assembly comprises a clamping device arranged on the workbench assembly in a sliding mode and two clamping seats arranged at the output end of the clamping device, and the two clamping seats are matched with each other to clamp the periphery of the revolving body workpiece.

Furthermore, the rotary driving assembly comprises a third motor and a rotary table, the third motor is arranged on the workbench assembly in a sliding mode, the rotary table is arranged at the output end of the third motor, and the rotary table is provided with a clamping piece which can clamp the revolving body workpiece.

Further, the thimble assembly includes that the slip sets up thimble seat on the workstation subassembly, rotates the spacing thimble that sets up on the thimble seat and is close to the storage tank that the lateral wall of one side of centre gripping subassembly was established to the indent by spacing thimble and forms.

Furthermore, a transverse sliding rail and a longitudinal sliding rail are arranged on the workbench assembly, the ejector pin assembly and the clamping assembly are respectively connected with the transverse sliding rail in a sliding mode, and the rotary driving assembly slides with the longitudinal sliding rail.

The utility model has the advantages that: the clamping assembly, the thimble assembly and the rotary driving assembly are used for clamping the revolving body workpiece in different processing steps, so that the horizontal processing assembly, the vertical processing assembly and a processing tool connected with the vertical processing assembly can process the inner cavity, the bottom end surface, the top end and the circumferential side wall of the revolving body workpiece in different processing steps conveniently; the machining device can complete machining of the revolving body workpiece after the revolving body workpiece is clamped and positioned by the clamping assembly at one time, machining precision of the revolving body workpiece is improved, machining and clamping steps of the revolving body workpiece are simplified, and machining efficiency of the revolving body workpiece is improved. The horizontal machining assembly is arranged on the mounting seat in a lifting mode, after the bottom end face of the revolving body workpiece is machined, the horizontal machining assembly ascends relative to the mounting seat, the rotary driving assembly moves to be coaxial with the clamping assembly, the horizontal machining assembly cannot interfere with the movement of the rotary driving assembly, and the rotary driving assembly and the ejector pin assembly are convenient to cooperate to clamp the revolving body workpiece.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of the present invention.

Description of reference numerals:

1. a frame; 2. a gantry; 3. a mounting seat; 4. a table assembly; 5. a vertical processing assembly; 6. a horizontal machining component; 7. a clamping assembly; 8. a thimble assembly; 9. a rotary drive assembly; 10. processing a cutter; 11. a third driver; 41. a transverse slide rail; 42. a longitudinal slide rail; 51. a first driver; 52. a sliding seat; 53. a vertical machine head; 54. a first motor; 55. a first main shaft; 61. a horizontal machine head; 62. a second motor; 63. a second main shaft; 71. a clamping seat; 81. a thimble seat; 82. a limiting thimble; 83. a containing groove; 91. a third motor; 92. a turntable; 93. a clamping member.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to fig. 3, the utility model provides a processing device for processing the inner and outer surfaces of a revolving body workpiece, which comprises a frame 1, a portal frame 2 arranged at one side of the frame 1, a mounting seat 3 arranged at the other side of the frame 1 in a sliding manner, a workbench component 4 arranged on the frame 1 in a sliding manner, a vertical processing component 5 movably arranged on the portal frame 2, a horizontal processing component 6 arranged on the mounting seat 3 in a lifting manner, and a clamping component 7, an ejector pin component 8 and a rotary driving component 9 respectively arranged on the workbench component 4 in a sliding manner; along the sliding direction of the clamping component 7, the thimble component 8 and the rotary driving component 9 are respectively positioned at two sides of the clamping component 7; the thimble assembly 8 and the clamping assembly 7 slide along the same axis or respectively slide along two parallel axes relative to the workbench assembly 4, and the sliding direction of the clamping assembly 7 is perpendicular to that of the rotary driving assembly 9; the clamping assembly 7 can clamp the circumferential direction of the revolving body workpiece; the thimble assembly 8 can cooperate with the rotary driving assembly 9 to clamp two ends of a revolving body workpiece, and the revolving body workpiece clamped by the thimble assembly is driven to rotate by the rotary driving assembly 9.

Specifically, the processing device further comprises a plurality of processing cutters 10 with different models, and the vertical processing assembly 5 and the horizontal processing assembly 6 can be respectively connected with two processing cutters 10 with different or same models; the vertical machining assembly 5 and the horizontal machining assembly 6 can respectively drive the machining tool 10 connected with the vertical machining assembly to rotate so as to mill the revolving body workpiece.

The utility model discloses a processingequipment can carry out milling process to the solid of revolution work piece of multiple different shapes, and this embodiment mainly explains with milling process to the solid of revolution work piece of coniform as an example. In an initial state, the workbench assembly 4 is located between the mounting base 3 and the portal frame 2, the clamping assembly 7 is located in the middle of the workbench assembly 4, the two machining tools 10 are respectively connected with the vertical machining assembly 5 and the horizontal machining assembly 6, and the machining device machines a revolving body workpiece through the following steps:

the method comprises the following steps: placing a revolving body workpiece on a clamping component 7, connecting a machining tool 10 with a horizontal machining component 6, clamping the circumferential side wall of the revolving body workpiece through the clamping component 7, and then driving the revolving body workpiece to slide on a workbench component 4 in the direction close to the horizontal machining component 6 through the clamping component 7, so that the machining tool 10 connected to the horizontal machining component 6 protrudes into the inner cavity of the revolving body workpiece and is abutted against the bottom end plane of the revolving body workpiece; another machining tool 10 is connected with the vertical machining component 5 and is abutted against the top end of the revolving body workpiece;

step two: the horizontal machining component 6 drives the machining tool 10 connected with the horizontal machining component to slide relative to the mounting seat 3, and the horizontal machining component 6 can also drive the machining tool 10 connected with the horizontal machining component to rotate, so that the machining tool 10 connected with the horizontal machining component 6 can mill the bottom end plane of the revolving body workpiece or/and the inner cavity of the revolving body workpiece; the vertical machining component 5 drives the machining tool 10 connected with the vertical machining component to vertically or/and longitudinally slide or move relative to the portal frame 2, and the vertical machining component 5 can also drive the machining tool 10 connected with the vertical machining component to rotate, so that the machining tool 10 connected with the vertical machining component 5 can mill the top end of the revolving body workpiece and the circumferential outer side wall of the top end until the milling of the bottom end plane, the inner cavity, the top end of the revolving body workpiece and the circumferential outer side wall of the top end of the revolving body workpiece are finished.

Step three: the machining tool 10 connected to the vertical machining component 5 is detached, the ejector pin component 8, the rotary driving component 9 and the revolving body workpiece are driven by the workbench component 4 to move towards the direction close to the vertical machining component 5 relative to the rack 1, so that the machining tool 10 connected to the horizontal machining component 6 moves out of the inner cavity of the revolving body workpiece, and then the machining tool 10 connected to the horizontal machining component 6 is driven by the horizontal machining component 6 to slide upwards relative to the mounting base 3.

Step four: the rotary driving component 9 slides to be coaxial with the clamping component 7 relative to the workbench component 4, the clamping component 7 drives the rotary body workpiece to slide towards the direction close to the rotary driving component 9 until the bottom end face of the rotary body workpiece is tightly clamped or abutted against a chuck of the rotary driving component 9, and then the ejector pin component 8 slides towards the direction close to the clamping component 7 relative to the workbench component 4 until the ejector pin component 8 is tightly abutted against the top end of the rotary body workpiece.

Step five: a proper machining tool 10 is replaced and connected with the vertical machining assembly 5, the clamping assembly 7 loosens the clamping on the circumferential side wall of the revolving body workpiece, and the revolving body workpiece is clamped through the ejector pin assembly 8 and the rotation driving assembly 9 in a matched mode.

Step six: drive thimble assembly 8 through workstation subassembly 4, rotation driving subassembly 9 and solid of revolution work piece move to the direction of being close to or keeping away from vertical processing subassembly 5 for frame 1, connect in the processing cutter 10 of vertical processing subassembly 5 can contradict with the circumference lateral wall of solid of revolution work piece, drive the solid of revolution work piece through rotation driving subassembly 9 and rotate for thimble assembly 8, vertical processing subassembly 5 drives the processing cutter 10 of being connected rather than for portal frame 2 from top to bottom or/and longitudinal sliding or removal, vertical processing subassembly 5 can also drive the processing cutter 10 of being connected rather than and rotate, thereby make the processing cutter 10 of connecting in vertical processing subassembly 5 mill the processing to the circumference lateral wall of solid of revolution work piece, the milling process that reaches the circumference lateral wall of solid of revolution work piece finishes.

Step seven: the thimble assembly 8 slides on the workbench assembly 4 in the direction away from the rotary driving assembly 9, so that the rotary body workpiece is loosened, and then the machined rotary body workpiece is taken out from the rotary driving assembly 9 through a manual or mechanical hand, and the machining of the rotary body workpiece is finished.

The clamping component 7, the thimble component 8 and the rotary driving component 9 are used for clamping the revolving body workpiece in different processing steps respectively, so that the horizontal processing component 6, the vertical processing component 5 and the processing tool 10 connected with the horizontal processing component and the vertical processing component can process the inner cavity, the bottom end surface, the top end and the circumferential side wall of the revolving body workpiece in different processing steps conveniently; the machining device can complete machining of the revolving body workpiece by clamping and positioning the revolving body workpiece at one time, improves machining precision of the revolving body workpiece, reduces the times of disassembling, clamping and positioning, simplifies machining and clamping steps of the revolving body workpiece, and improves machining efficiency of the revolving body workpiece. The horizontal machining assembly 6 is arranged on the mounting base 3 in a lifting mode, after the bottom end face of the revolving body workpiece is machined, the horizontal machining assembly 6 rises relative to the mounting base 3, the rotary driving assembly 9 moves to be coaxial with the clamping assembly 7, the horizontal machining assembly 6 cannot interfere with the movement of the rotary driving assembly 9, and the rotary driving assembly 9 and the ejector pin assembly 8 are convenient to clamp the revolving body workpiece in a matching mode.

Further, the vertical processing assembly 5 comprises a first driver 51 arranged on the gantry 2, a sliding seat 52 arranged on the gantry 2 in a sliding manner, and a vertical machine head 53 arranged on the sliding seat 52 in a lifting manner, wherein the first driver 51 is used for driving the sliding seat 52 and the vertical machine head 53 to slide back and forth relative to the gantry 2.

Specifically, the vertical machine head 53 includes a second driver (not shown in the figure), a first motor 54 arranged on the sliding seat 52 in a lifting manner, and a first spindle 55 arranged at an output end of the first motor 54, and the machining tool 10 can be connected with the spindle; the second driver is arranged on the sliding seat 52, the output end of the second driver is connected with the body of the first motor 54, and the second driver is used for driving the first motor 54 and the first spindle 55 to ascend and descend relative to the sliding seat 52. In the actual use process, the first driver 51 drives the sliding seat 52 and the vertical machine head 53 to longitudinally slide back and forth relative to the portal frame 2, and the second driver drives the first motor 54 and the machining tool 10 connected with the first motor to vertically lift, so that the machining tool 10 connected with the first main shaft 55 can conveniently machine the top end surface and the circumferential side surface of the revolving body workpiece, and the machining efficiency of the revolving body workpiece is improved.

Further, the processing device further comprises a third driver 11 arranged on the rack 1, and the third driver 11 is used for driving the mounting seat 3 and the horizontal processing assembly 6 to slide relative to the rack 1; the horizontal machining assembly 6 comprises a fourth driver (not shown in the figure) arranged on the mounting base 3 and a horizontal machine head 61 arranged on the mounting base 3 in a lifting mode, wherein the fourth driver is used for driving the horizontal machine head 61 to lift up and down relative to the mounting base 3.

Specifically, the first driver 51, the second driver, the third driver 11 and the fourth driver can all adopt a servo motor direct connection driving mechanism or a linear motor; the horizontal machine head 61 comprises a second motor 62 arranged on the mounting base 3 in a lifting sliding manner and a second spindle 63 arranged at the output end of the second motor 62, and the machining tool 10 can be connected with the second spindle 63; the third driver 11 is used for the mounting base 3, the second driving motor 62, the second spindle 63 and the machining tool 10 connected with the second spindle 63 to slide back and forth relative to the machine frame 1. In the actual use process, the second driver four-drive motor 62 and the machining tool 10 connected with the second driver four-drive motor are lifted up and down relative to the mounting base 3, and the third driver 11 drives the mounting base 3, the horizontal machining assembly 6 and the machining tool 10 connected with the horizontal machining assembly to longitudinally slide relative to the rack 1, so that the machining tool 10 connected with the second main shaft 63 can conveniently machine the bottom end face of the revolving body workpiece and the inner cavity of the revolving body workpiece. The sliding seats 52 are parallel to each other in the sliding direction of the gantry 2, the sliding direction of the mounting base 3 along the frame 1, and the sliding direction of the rotary drive assembly 9 along the table assembly 4.

Further, a transverse slide rail 41 and a longitudinal slide rail 42 are arranged on the workbench assembly 4, the thimble assembly 8 and the clamping assembly 7 are respectively connected with the transverse slide rail 41 in a sliding manner, and the rotary driving assembly 9 and the longitudinal slide rail 42 slide.

Specifically, the transverse slide rails 41 and the longitudinal slide rails 42 are perpendicular to each other; the sliding direction of the worktable assembly 4 relative to the frame 1 and the sliding direction of the thimble assembly 8 are positioned on the same axis or parallel to each other. In the actual use process, the thimble assembly 8 and the clamping assembly 7 can respectively slide along the transverse slide rail 41, the thimble assembly 8 cannot interfere with the revolving body workpiece clamped by the clamping assembly 7, and the precise and stable clamping of the clamping assembly 7 is facilitated; in addition, the clamping component 7 can also drive the revolving body workpiece to be clamped or abutted against the rotary driving component 9, then the revolving body workpiece slides through the ejector pin component 8 and abuts against the top end of the revolving body workpiece, and then the clamping component 7 is loosened to clamp the revolving body workpiece so as to change the clamping position of the revolving body workpiece, so that the revolving body workpiece can be machined through one-time clamping, and the machining precision of the revolving body workpiece is further improved.

Further, the clamping assembly 7 comprises a clamp (not shown in the figure) slidably arranged on the workbench assembly 4 and two clamping seats 71 arranged at two output ends of the clamp, the clamp is used for driving the two clamping seats 71 to move close to or away from each other, and the two clamping seats 71 are mutually matched to clamp the workpiece in the circumferential direction of the revolving body.

Specifically, the gripper may adopt a finger cylinder, the gripping assembly 7 further includes a driver five (not shown in the figure) disposed on the worktable assembly 4, an output end of the driver five is connected with a body of the gripper, and the body of the gripper is slidably connected with the transverse slide rail 41. In the actual use process, the gripper and the gripper seat 71 are driven by the driver to slide back and forth on the transverse slide rail 41, so that the gripping assembly 7 is beneficial to gripping and conveying the revolving body workpiece; the two clamping seats 71 are driven to approach each other by the clamp to clamp the revolving body workpiece, and the clamping assembly 7 is simple in structure and stable in clamping.

Further, the rotation driving assembly 9 includes a motor three 91 slidably disposed on the worktable assembly 4 and a turntable 92 disposed at an output end of the motor three 91, a clamping member 93 is disposed on the turntable 92, and the clamping member 93 can clamp the revolving body workpiece.

In the actual use process, the clamping piece 93 is clamped at the bottom end of the revolving body workpiece, the ejector pin assembly 8 moves on the transverse slide rail 41 towards the direction close to the revolving body workpiece and abuts against the top end of the revolving body workpiece, then the clamping assembly 7 loosens the clamping on the revolving body workpiece, and the motor three 91 drives the rotary table 92, the clamping piece 93 and the revolving body workpiece to rotate. The rotary driving assembly 9 has a compact structure, and the connection between the rotary driving assembly 9 and the workbench assembly 4 is convenient.

Further, the thimble assembly 8 includes a thimble seat 81 slidably disposed on the table assembly 4, a limiting thimble 82 rotatably disposed on the thimble seat 81, and a containing groove 83 formed by inward recessing of an outer side wall of one side of the limiting thimble 82 close to the clamping assembly 7, and the top end of the revolving body workpiece can protrude into the containing groove 83.

Specifically, the ejector pin assembly 8 further includes a sixth driver (not shown in the figure) disposed on the workbench assembly 4, an output end of the sixth driver is connected to the ejector pin base 81, and the ejector pin base 81 is slidably connected to the transverse slide rail 41. In the actual use process, the ejector pin seat 81 and the limiting ejector pin 82 are driven by the six drivers to slide back and forth on the transverse slide rail 41, so that the top end of the revolving body workpiece clamped by the clamping assembly 7 can protrude into the accommodating groove 83, and the ejector pin seat 81 is favorable for rapidly and accurately clamping the revolving body workpiece; the rotary driving component 9 can drive the rotary workpiece and the limiting ejector pin 82 to synchronously rotate, and the stability of the rotary workpiece during rotation is good.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims (8)

1. A processingequipment for processing solid of revolution work piece inside and outside surface which characterized in that: the device comprises a rack (1), a portal frame (2) arranged on one side of the rack (1), a mounting seat (3) arranged on the other side of the rack (1) in a sliding manner, a workbench component (4) arranged on the rack (1) in a sliding manner, a vertical machining component (5) movably arranged on the portal frame (2), a horizontal machining component (6) arranged on the mounting seat (3) in a lifting manner, and a clamping component (7), an ejector pin component (8) and a rotary driving component (9) which are respectively arranged on the workbench component (4) in a sliding manner; along the sliding direction of the clamping assembly (7), the ejector pin assembly (8) and the rotary driving assembly (9) are respectively positioned at two sides of the clamping assembly (7); the sliding direction of the clamping component (7) is vertical to the sliding direction of the rotary driving component (9); the clamping assembly (7) can clamp the circumferential direction of the revolving body workpiece; the ejector pin assembly (8) can be matched with the rotary driving assembly (9) to clamp two ends of a rotary workpiece, and the rotary workpiece clamped by the ejector pin assembly is driven to rotate by the rotary driving assembly (9).

2. The machining device for machining the inner and outer surfaces of a rotary workpiece according to claim 1, characterized in that: the vertical machining assembly (5) comprises a first driver (51) arranged on the portal frame (2), a sliding seat (52) arranged on the portal frame (2) in a sliding mode and a vertical machine head (53) arranged on the sliding seat (52) in a lifting mode, wherein the first driver (51) is used for driving the sliding seat (52) to slide back and forth relative to the portal frame (2).

3. The machining device for machining the inner and outer surfaces of a rotary workpiece according to claim 2, characterized in that: the vertical machine head (53) comprises a second driver, a first motor (54) arranged on the sliding seat (52) in a lifting mode and a first spindle (55) arranged at the output end of the first motor (54), and the second driver is used for driving the first motor (54) to lift relative to the sliding seat (52).

4. The machining device for machining the inner and outer surfaces of a rotary workpiece according to claim 1, characterized in that: the machining device further comprises a third driver (11) arranged on the rack (1), wherein the third driver (11) is used for driving the mounting seat (3) and the horizontal machining assembly (6) to slide relative to the rack (1); the horizontal machining assembly (6) comprises a driver IV arranged on the mounting seat (3) and a horizontal machine head (61) arranged on the mounting seat (3) in a lifting mode, and the driver IV is used for driving the horizontal machine head (61) to lift relative to the mounting seat (3).

5. The machining device for machining the inner and outer surfaces of a rotary workpiece according to claim 1, characterized in that: the clamping assembly (7) comprises a clamping device arranged on the workbench assembly (4) in a sliding mode and two clamping seats (71) arranged at the output end of the clamping device, and the two clamping seats (71) are matched with each other to clamp the periphery of the revolving body workpiece.

6. The machining device for machining the inner and outer surfaces of the rotary workpiece according to claim 1, characterized in that: the rotary driving assembly (9) comprises a motor III (91) arranged on the workbench assembly (4) in a sliding mode and a rotary table (92) arranged at the output end of the motor III (91), a clamping piece (93) is arranged on the rotary table (92), and the clamping piece (93) can clamp a rotary body workpiece.

7. The machining device for machining the inner and outer surfaces of a rotary workpiece according to claim 1, characterized in that: thimble assembly (8) including slide set up thimble seat (81) on workstation subassembly (4), rotate spacing thimble (82) of setting up on thimble seat (81) and by spacing thimble (82) be close to lateral wall of one side of centre gripping subassembly (7) and inwards concave storage tank (83) of establishing and forming.

8. The machining device for machining the inner and outer surfaces of a rotary workpiece according to any one of claims 1 to 7, wherein: the workbench component (4) is provided with a transverse sliding rail (41) and a longitudinal sliding rail (42), the thimble component (8) and the clamping component (7) are respectively connected with the transverse sliding rail (41) in a sliding manner, and the rotary driving component (9) slides along the longitudinal sliding rail (42).

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