CN115338641A

CN115338641A - Full-automatic bidirectional turn-milling equipment and turn-milling method thereof

Info

Publication number: CN115338641A
Application number: CN202211153347.0A
Authority: CN
Inventors: 袁晓波; 袁超; 袁龙全
Original assignee: Dongguan Poweey Automation Technology Co ltd
Current assignee: Dongguan Poweey Automation Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-11-15

Abstract

The invention discloses full-automatic bidirectional turn-milling equipment and a turn-milling method thereof, and relates to the technical field of turn-milling, wherein a moving assembly is arranged at the rear end of the top of a base, a first clamping assembly is arranged at the front end of the top of the base, a milling cutter assembly is connected to the outside of the first clamping assembly, a cutter tower driving device is arranged above the moving assembly, a lifting assembly is connected to the outside of the cutter tower driving device, a baffle assembly is commonly connected between the moving assembly and the lifting assembly, the workpiece is fixed and rotated through the first clamping assembly, the cutter tower driving device is driven to move by the moving assembly and the lifting assembly, a second milling cutter outside a cutter tower is used for turn-milling one end of the workpiece, after one end of the workpiece is machined, the workpiece is clamped and moved by the second clamping assembly and rotated, and the other end of the workpiece is further turned and milled through the first milling cutter, so that the two ends and the surface of the workpiece are automatically milled in a bidirectional manner.

Description

Full-automatic bidirectional turn-milling equipment and turn-milling method thereof

Technical Field

The invention relates to the technical field of turn-milling, in particular to full-automatic bidirectional turn-milling equipment and a turn-milling method thereof.

Background

Through retrieval, the chinese patent discloses a turning and milling compound machine tool (publication No. CN 110449903A) which moves a movable spindle device 3 through a spindle moving device 5, so that a first workpiece clamping member 23 and a second workpiece clamping member 33 fix a product, and further, turning and milling can be sequentially performed on a processed part through a turning tool and a milling tool assembled by a power turret device 4.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides full-automatic bidirectional turn-milling equipment and a turn-milling method thereof, which solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme:

in a first aspect, the invention provides full-automatic bidirectional turn-milling equipment which comprises a base, wherein the top end of the base is of an inclined structure, a moving assembly is arranged at the rear end of the top of the base, a first clamping assembly is arranged at the front end of the top of the base, a milling cutter assembly is connected to the outside of the first clamping assembly, a cutter tower driving device is arranged above the moving assembly, a lifting assembly is connected to the outside of the cutter tower driving device, a baffle assembly is connected between the moving assembly and the lifting assembly together, and a second clamping assembly and a second milling cutter are connected to the outside of a cutter tower of the cutter tower driving device.

Preferably, the removal subassembly is including sliding the first seat that removes at the base top, the inside threaded connection of the first seat that removes has first screw rod, the both ends of first screw rod are rotated and are connected with the fixing base, and fixing base and base are fixed connection, the side-mounting of fixing base has first servo motor, and just first servo motor's output links to each other with the one end of first screw rod, the top of the first seat that removes is rotated and is connected with the second screw rod, the outside threaded connection of second screw rod has the second to remove the seat, second servo motor is installed to the one end of the first seat that removes, and second servo motor's output links to each other with the second screw rod, the top symmetry of the first seat that removes is equipped with two sets of tracks.

Preferably, first centre gripping subassembly includes the support that links to each other with base front end top, the inside of support is provided with driving motor, and driving motor's output and the external connection who is located the support have the chuck, the holding end of chuck is fixed with the work piece.

Preferably, the milling cutter assembly comprises a connecting plate connected with the side surface of the support, and a first milling cutter is arranged on the side surface of the connecting plate and faces the direction of the cutter tower driving device.

Preferably, the baffle assembly comprises a connecting seat, a first scrap guide plate and a second scrap guide plate are arranged on two sides of the connecting seat respectively, the bottom of the connecting seat is connected with the second movable seat, and the connecting seat is in sliding connection with the two groups of rails.

Preferably, the lifting component comprises a connecting seat connected to the outside of the tool turret driving device, the top and the bottom of the connecting seat are jointly rotated and connected with a third screw, the tool turret driving device is in threaded connection with the third screw through a screw cylinder, sliding strips are arranged on two sides of the lifting component, each sliding strip is connected with a sliding block in an equal sliding mode, and the sliding blocks are connected with the edge of the tool turret driving device in a sliding mode.

Preferably, the second clamping assembly comprises a main body connected to the outside of the turret in the turret driving device and a driving shaft connected to the output end of the turret, the main body is rotatably connected to the inside of the main body, a driven shaft and a clamping piece are slidably connected to the inside of the driven inner cylinder, the front end of the driven shaft is connected to the rear end of the clamping piece, the rear ends of the main body and the driven shaft are jointly connected to a rear shell, a fixing piece is jointly connected to the outside of the driven shaft and the rear shell through a bolt, the rear shell is rotatably connected to the driven shaft and the fixing piece through a plane bearing, a sealing structure is formed between the outer surface of the tail end of the main body and the inner surface of the front end of the rear shell through a sealing ring, a connecting ring is arranged at the joint of the main body and the rear shell, the main body and the connecting ring are fixedly connected, the front end of the rear shell forms a first accommodating cavity and a second accommodating cavity through the connecting ring, a first oil hole and a second oil hole are formed in the outer surface of the rear shell, and are respectively communicated with the first accommodating cavity and the second accommodating cavity.

Preferably, the front end of holder is the circumference form and the equidistance is provided with the multiunit grip block, and has the clearance between two sets of adjacent grip blocks, the extrusion inclined plane of looks adaptation is all seted up at the front end internal surface edge of driven inner tube and the surface edge of every group grip block, the top of main part is connected with the initiative urceolus, the driving shaft is located the inside of initiative urceolus, and connects for rotating, the inside that the bottom of initiative urceolus just is located the main part is provided with the initiative helical gear, the outside of driven shaft is provided with driven helical gear, and driven helical gear and initiative helical gear are connected for the meshing.

In a second aspect, the present invention provides a using method, which is used for the above full-automatic bidirectional turn-milling equipment, and the turn-milling method includes the following steps:

s1, fixing a workpiece through a chuck, and driving the chuck and the workpiece to rotate by a driving motor in a support;

s2, a first servo motor drives a first screw to rotate forwards or reversely to adjust the position of a first moving seat, a second servo motor drives a second screw to rotate forwards or reversely to adjust the position of a second moving seat, so that the positions of a baffle assembly and a lifting assembly move along with the baffle assembly and the lifting assembly, meanwhile, a third servo motor drives a third screw to rotate forwards or reversely to adjust the position of a cutter tower driving device, and therefore the cutter tower drives a second milling cutter to turn and mill the exposed end and the surface of the workpiece through adjustment of the position of the cutter tower driving device;

s3, after the exposed end of the workpiece is turned and milled, the driving motor in the support is turned off, the chuck and the workpiece are in a static state, the cutter tower stops driving the second milling cutter, and the clamping end of the second clamping assembly is moved to the outside of the exposed end of the workpiece in the same way;

s4, injecting liquid oil into the first cavity, pumping the liquid oil in the second cavity, enabling the rear shell to drive the driven shaft to move backwards, enabling the clamping piece to move backwards in the driven inner cylinder, enabling the exposed end of the workpiece to be placed into the front end of the clamping piece and located between the plurality of groups of clamping plates, enabling the plurality of groups of clamping plates to clamp and fix the workpiece together through extruding the inclined surface when the clamping piece moves backwards in the driven inner cylinder, enabling the chuck to release clamping of the workpiece after the clamping piece clamps the workpiece, enabling the driving shaft to rotate through the cutter head, enabling the driven shaft to rotate in the main body through the driving bevel gear and the driven bevel gear, and enabling the driven inner cylinder to drive the clamping piece, the driven shaft and the workpiece to rotate along with the connecting ring after the driven inner cylinder extrudes the connecting ring.

And S5, moving the cutter tower driving device to enable the other end of the workpiece to be close to the first milling cutter, further completing turning and milling work on the other end and the surface, after two-way turning and milling of the two ends of the workpiece are completed, extracting liquid oil in the second containing cavity, injecting liquid oil into the first containing cavity, driving the driven shaft and the clamping piece to move forwards by the rear shell, further enabling the driven inner cylinder to release extrusion on the groups of clamping plates, and further taking down the workpiece.

Advantageous effects

The invention provides full-automatic bidirectional turn-milling equipment and a turn-milling method thereof. Compared with the prior art, the method has the following beneficial effects:

a full-automatic bidirectional turn-milling device and a turn-milling method thereof are characterized in that a workpiece is fixed and rotated through a first clamping assembly, a moving assembly and a lifting assembly drive a tool turret driving device to move, a second milling cutter outside a tool turret of the moving assembly is used for turn-milling one end of the workpiece, after one end of the workpiece is machined, the workpiece is clamped, moved and rotated through the second clamping assembly, and then the other end of the workpiece is subjected to turn-milling through the first milling cutter, so that the effect of automatically achieving bidirectional turn-milling on two ends and surfaces of the workpiece is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

FIG. 3 is a schematic structural view of a baffle assembly of the present invention;

FIG. 4 is a schematic view of the construction of the lift assembly of the present invention;

FIG. 5 is a top view of a second clamping assembly of the present invention;

fig. 6 is a cross-sectional view of fig. 5 in accordance with the present invention.

In the figure: 1. a base; 2. a moving assembly; 21. a first movable base; 22. a first screw; 23. a fixed seat; 24. a first servo motor; 25. a second screw; 26. a second movable base; 27. a second servo motor; 28. a track; 3. a first clamping assembly; 31. a support; 32. a chuck; 33. a workpiece; 4. a milling cutter assembly; 41. a connecting plate; 42. a first milling cutter; 5. a baffle plate assembly; 51. a linking seat; 52. a first chip guide plate; 53. a second chip guide plate; 6. a turret drive; 7. a lifting assembly; 71. a connecting seat; 72. a screw cylinder; 73. a third screw; 74. a third servo motor; 75. a slide bar; 76. a slider; 8. a second clamping assembly; 81. a main body; 82. a driven inner cylinder; 83. a driven shaft; 84. a clamping member; 85. a rear housing; 86. a fixing member; 87. a seal ring; 88. a connecting ring; 89. a first chamber; 810. a second cavity; 811. an active outer cylinder; 812. a drive shaft; 813. a driving bevel gear; 814. a driven helical gear; 815. a first oil hole; 816. a second oil hole; 9. a second milling cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a full-automatic two-way turn-milling equipment, the on-line screen storage device comprises a

base

1, 1 top of base is the slope structure, the top rear end of base 1 is provided with removal subassembly 2, the top front end of base 1 is provided with first centre gripping subassembly 3, the external connection of first centre gripping subassembly 3 has milling cutter assembly 4, the top of removing subassembly 2 is provided with turret drive arrangement 6, the external connection of turret drive arrangement 6 has lifting unit 7, be connected with baffle subassembly 5 between removal subassembly 2 and the lifting unit 7 jointly, the turret external connection of turret drive arrangement 6 has second centre gripping subassembly 8 and second milling cutter 9.

The turret driving device 6 is well known in the art, and reference is made to the disclosure (CN 113770782B), and the specific structure and operation principle thereof are not described in detail.

Remove subassembly 2 including sliding first removal seat 21 at base 1 top, the inside threaded connection of first removal seat 21 has first screw rod 22, the both ends of first screw rod 22 are rotated and are connected with fixing base 23, and fixing base 23 is fixed connection with base 1, the side-mounting of fixing base 23 has first servo motor 24, and the output of first servo motor 24 links to each other with the one end of first screw rod 22, the top of first removal seat 21 is rotated and is connected with second screw rod 25, the outside threaded connection of second screw rod 25 has second removal seat 26, second servo motor 27 is installed to the one end of first removal seat 21, and the output of second servo motor 27 links to each other with second screw rod 25, the top symmetry of first removal seat 21 is equipped with two sets of tracks 28.

The first clamping assembly 3 comprises a support 31 connected with the top of the front end of the base 1, a driving motor is arranged inside the support 31, a chuck 32 is connected to the output end of the driving motor and located outside the support 31, and a workpiece 33 is fixed to the clamping end of the chuck 32.

The milling cutter assembly 4 comprises a connecting plate 41 connected to the side of the holder 31 and connected to the side of the plate 41 and provided with a first milling cutter 42 facing the turret drive 6.

Referring to fig. 3, the baffle assembly 5 includes a connecting seat 51, a first chip guide plate 52 and a second chip guide plate 53 are respectively disposed on two sides of the connecting seat 51, and the bottom of the connecting seat 51 is connected to the second movable seat 26 and slidably connected to the two sets of rails 28.

It should be noted that the chips generated by turning and milling the workpiece 33 fall on the surfaces of the first chip guide 52 and the second chip guide 53, and the chips are guided to fall.

Referring to fig. 4, the lifting assembly 7 includes a connecting seat 71 connected to the outside of the turret driving device 6, the top and the bottom of the connecting seat 71 are connected to a third screw 73 in a rotating manner, the turret driving device 6 is connected to the third screw 73 through a screw barrel 72 in a threaded manner, two sides of the lifting assembly 7 are provided with sliding strips 75, the outside of each group of sliding strips 75 is connected to a sliding block 76 in a sliding manner, and the sliding blocks 76 are connected to the edge of the turret driving device 6.

Referring to fig. 5-6, the second clamping assembly 8 includes a body 81 connected to the exterior of the turret in the turret drive 6, and a driving shaft 812 connected with the output end of the turret, the interior of the main body 81 is rotatably connected with a driven inner cylinder 82, the interior of the driven inner cylinder 82 is slidably connected with a driven shaft 83 and a clamping piece 84, the front end of the driven shaft 83 is connected with the rear end of the clamping piece 84, the rear ends of the main body 81 and the driven shaft 83 are connected with a rear shell 85, the outer parts of the driven shaft 83 and the rear shell 85 are connected with a fixing piece 86 through bolts, the rear shell 85 is respectively in rotary connection with the driven shaft 83 and the fixing piece 86 through a plane bearing, a sealing structure is formed between the outer surface of the tail end of the main body 81 and the inner surface of the front end of the rear shell 85 through a sealing ring 87, a connecting ring 88 is arranged at the connecting part of the main body 81 and the rear shell 85, the main body 81 and the connecting ring 88 are fixedly connected, the front end of the rear shell 85 forms a first containing cavity 89 and a second containing cavity 810 through the connecting ring 88, a first oil hole 815 and a second oil hole 816 are formed in the outer surface of the rear shell 85, the first oil hole 815 and the second oil hole 816 are respectively communicated with the first cavity 89 and the second cavity 810, the front end of the clamping member 84 is in a circumferential shape and is provided with a plurality of groups of clamping plates at equal intervals, and a gap is formed between two adjacent groups of clamping plates, the edge of the inner surface of the front end of the driven inner cylinder 82 and the edge of the outer surface of each group of clamping plates are respectively provided with a matched extrusion inclined surface, the top of the main body 81 is connected with a driving outer cylinder 811, a driving shaft 812 is positioned inside the driving outer cylinder 811, in addition, for the rotational connection, a driving bevel gear 813 is disposed at the bottom of the driving outer cylinder 811 and inside the main body 81, a driven bevel gear 814 is disposed outside the driven shaft 83, and the driven bevel gear 814 and the driving bevel gear 813 are meshed.

In addition, the embodiment of the invention also discloses a technical scheme that: a use method of full-automatic bidirectional turn-milling equipment comprises the following steps:

s1, fixing a workpiece 33 through a chuck 32, and driving the chuck 32 and the workpiece 33 to rotate by a driving motor in a support 31;

s2, the first servo motor 24 drives the first screw rod 22 to rotate forward or reversely to adjust the position of the first moving seat 21, the second servo motor 27 drives the second screw rod 25 to rotate forward or reversely to adjust the position of the second moving seat 26, so that the baffle plate assembly 5 and the lifting assembly 7 move along with the position, meanwhile, the third servo motor 74 drives the third screw rod 73 to rotate forward or reversely to adjust the position of the cutter tower driving device 6, and the cutter tower drives the second milling cutter 9 to perform turning and milling on the exposed end and the surface of the workpiece 33 by adjusting the position of the cutter tower driving device 6;

s3, after the exposed end of the workpiece 33 is turned and milled, the driving motor in the support 31 is turned off, the chuck 32 and the workpiece 33 are in a static state, the tool turret stops driving the second milling cutter 9, and similarly, the clamping end of the second clamping assembly 8 is moved to the outside of the exposed end of the workpiece 33;

s4, injecting liquid oil into the first cavity 89, pumping out the liquid oil in the second cavity 810, further enabling the rear shell 85 to drive the driven shaft 83 to move backwards, further enabling the clamping pieces 84 to move backwards in the driven inner cylinder 82, enabling the exposed ends of the workpieces 33 to be placed into the front ends of the clamping pieces 84 and located between the groups of clamping plates, enabling the groups of clamping plates to jointly clamp and fix the workpieces 33 by extruding the inclined surfaces when the clamping pieces 84 move backwards in the driven inner cylinder 82, enabling the chuck 32 to release clamping of the workpieces 33 after the clamping pieces 84 clamp the workpieces 33, enabling the driving shaft 812 to rotate by the cutter head, further enabling the driven shaft 814 to rotate in the main body 81 through the driving bevel gear 813 and the driven bevel gear 814, and enabling the driven inner cylinder 82 to extrude the connecting ring 88, and enabling the clamping pieces 84, the driven shaft 83 and the workpieces 33 to rotate along with the driving bevel gear 82 by the driven inner cylinder 82.

S5, moving the cutter tower driving device 6 to enable the other end of the workpiece 33 to be close to the first milling cutter 42, further completing turning and milling work on the other end and the surface, after two-way turning and milling of the two ends of the workpiece 33 are completed, extracting liquid oil in the second containing cavity 810, injecting liquid oil into the first containing cavity 89, enabling the rear shell 85 to drive the driven shaft 83 and the clamping piece 84 to move forwards, further enabling the driven inner cylinder 82 to release extrusion of a plurality of groups of clamping plates, and further taking down the workpiece 33.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full-automatic two-way turn-milling equipment, includes base (1), its characterized in that, base (1) top is the slope structure, the top rear end of base (1) is provided with removal subassembly (2), the top front end of base (1) is provided with first centre gripping subassembly (3), the external connection of first centre gripping subassembly (3) has milling cutter subassembly (4), the top of removing subassembly (2) is provided with sword tower drive arrangement (6), the external connection of sword tower drive arrangement (6) has lifting unit (7), be connected with baffle subassembly (5) between removal subassembly (2) and lifting unit (7) jointly, the sword tower external connection of sword tower drive arrangement (6) has second centre gripping subassembly (8) and second milling cutter (9).

2. The full-automatic bidirectional turn-milling equipment as claimed in claim 1, wherein the moving assembly (2) comprises a first moving seat (21) sliding on the top of the base (1), the first moving seat (21) is internally and threadedly connected with a first screw (22), two ends of the first screw (22) are rotatably connected with fixed seats (23), the fixed seats (23) are fixedly connected with the base (1), a first servo motor (24) is installed on the side surface of each fixed seat (23), the output end of the first servo motor (24) is connected with one end of the first screw (22), the top of the first moving seat (21) is rotatably connected with a second screw (25), the external and threaded connection of the second screw (25) is connected with a second moving seat (26), one end of the first moving seat (21) is provided with a second servo motor (27), the output end of the second servo motor (27) is connected with the second screw (25), and two sets of rails (28) are symmetrically arranged at the top end of the first moving seat (21).

3. The fully automatic bidirectional turn-milling equipment as claimed in claim 1, characterized in that the first clamping assembly (3) comprises a support (31) connected with the top of the front end of the base (1), a driving motor is arranged inside the support (31), a chuck (32) is connected to the output end of the driving motor and positioned outside the support (31), and a workpiece (33) is fixed to the clamping end of the chuck (32).

4. A fully automatic bi-directional turn-milling apparatus as claimed in claim 1, characterized in that the milling cutter assembly (4) comprises a connecting plate (41) connected to the side of the support (31), the side of the connecting plate (41) being provided with a first milling cutter (42) facing in the direction of the turret drive (6).

5. The fully automatic bidirectional turn-milling equipment according to claim 1, characterized in that the baffle plate assembly (5) comprises a joint seat (51), a first chip guide plate (52) and a second chip guide plate (53) are respectively arranged on two sides of the joint seat (51), and the bottom of the joint seat (51) is connected with the second movable seat (26) and is in sliding connection with the two sets of rails (28).

6. The full-automatic bidirectional turn-milling equipment as claimed in claim 1, wherein the lifting assembly (7) comprises a connecting seat (71) connected to the outside of the turret driving device (6), the top and the bottom of the connecting seat (71) are connected with a third screw (73) in a co-rotating manner, the turret driving device (6) is in threaded connection with the third screw (73) through a screw barrel (72), sliding strips (75) are arranged on two sides of the lifting assembly (7), a sliding block (76) is connected to the outside of each group of sliding strips (75) in a sliding manner, and the sliding block (76) is connected with the edge of the turret driving device (6).

7. The fully automatic bidirectional turn-milling device according to claim 1, wherein the second clamping assembly (8) comprises a main body (81) connected to the outside of the turret in the turret driving device (6) and a driving shaft (812) connected to the output end of the turret, the main body (81) is rotatably connected to a driven inner cylinder (82), the driven inner cylinder (82) is slidably connected to the inside of the driven inner cylinder (83) and a clamping member (84), the front end of the driven shaft (83) is connected to the rear end of the clamping member (84), the main body (81) and the rear end of the driven shaft (83) are commonly connected to a rear housing (85), the outer portions of the driven shaft (83) and the rear housing (85) are commonly connected to a fixing member (86) through bolts, the rear housing (85) is rotatably connected to the driven shaft (83) and the fixing member (86) through plane bearings, a sealing ring (87) is arranged between the outer surface of the tail end of the main body (81) and the inner surface of the front end of the rear housing (85), a connecting ring (88) and a connecting cavity (88) is arranged between the outer surface of the rear housing (85) and the connecting ring (88) and the main body (88) is arranged as a second cavity (88) and a second cavity (88) formed by a second cavity (810), the outer surface of the rear shell (85) is provided with a first oil hole (815) and a second oil hole (816), and the first oil hole (815) and the second oil hole (816) are respectively communicated with the first accommodating cavity (89) and the second accommodating cavity (810).

8. The full-automatic bidirectional turn-milling equipment as claimed in claim 7, wherein the front end of the clamping member (84) is provided with a plurality of groups of clamping plates in a circumferential shape at equal intervals, a gap is formed between every two adjacent groups of clamping plates, the inner surface edge of the front end of the driven inner cylinder (82) and the outer surface edge of each group of clamping plates are provided with adaptive extrusion inclined planes, the top of the main body (81) is connected with a driving outer cylinder (811), the driving shaft (812) is located inside the driving outer cylinder (811) and is in rotational connection, the bottom of the driving outer cylinder (811) and the inside of the main body (81) are provided with a driving bevel gear 813 (813), the outside of the driven shaft (83) is provided with a driven bevel gear (814), and the driven bevel gear (814) and the driving bevel gear (813) are in meshed connection.

9. The fully automatic bidirectional turn-milling equipment as claimed in claims 1 to 8, characterized in that the turn-milling method comprises the following steps:

s1, fixing a workpiece (33) through a chuck (32), and driving the chuck (32) and the workpiece (33) to rotate by a driving motor in a support (31);

s2, a first servo motor (24) drives a first screw rod (22) to rotate forward or reversely to adjust the position of a first moving seat (21), a second servo motor (27) drives a second screw rod (25) to rotate forward or reversely to adjust the position of a second moving seat (26), so that the baffle assembly (5) and the lifting assembly (7) move along with the positions, meanwhile, a third servo motor (74) drives a third screw rod (73) to rotate forward or reversely to adjust the position of a cutter tower driving device (6), and the cutter tower drives a second milling cutter (9) to perform turning and milling on the exposed end and the surface of a workpiece (33) by adjusting the position of the cutter tower driving device (6);

s3, after the exposed end of the workpiece (33) is turned and milled, the driving motor in the support (31) is turned off, the chuck (32) and the workpiece (33) are in a static state, the turret stops driving the second milling cutter (9), and the clamping end of the second clamping assembly (8) is moved to the outside of the exposed end of the workpiece (33) in the same way;

s4, injecting liquid oil into the first cavity (89), pumping out the liquid oil in the second cavity (810), further enabling the rear shell (85) to drive the driven shaft (83) to move backwards, further enabling the clamping pieces (84) to move backwards in the driven inner cylinder (82), enabling the exposed ends of the workpieces (33) to be placed into the front ends of the clamping pieces (84) and located between the groups of clamping plates, enabling the groups of clamping plates to clamp and fix the workpieces (33) together through the extrusion inclined planes when the clamping pieces (84) move backwards in the driven inner cylinder (82), enabling the chuck (32) to release clamping of the workpieces (33) after the clamping pieces (33) are clamped by the clamping pieces (84), enabling the driving shaft (812) to rotate through the driving bevel wheel (813) and the driven bevel wheel (813), further enabling the driven shaft (83) to rotate in the main body (81), and enabling the driven inner cylinder (82) to drive the clamping pieces (84), the driven shaft (83) and the driven shaft (33) to rotate along with the workpieces (814) after the driving bevel wheel (813) and the driven inner cylinder (82) extrudes the driven connecting ring (88).

10.S5, the other end of the workpiece (33) is close to the first milling cutter (42) by moving the cutter tower driving device (6), turning and milling work of the other end and the surface is further completed, after the two-way turning and milling of the two ends of the workpiece (33) is completed, liquid oil in the second containing cavity (810) is pumped out, liquid oil is injected into the first containing cavity (89), then the rear shell (85) drives the driven shaft (83) and the clamping piece (84) to move forwards, and then the driven inner cylinder (82) is enabled to release extrusion of a plurality of groups of clamping plates, so that the workpiece (33) is taken down.