1. A damping device of a high-speed machining center comprises a rack (1) and is characterized in that a fixed plate (11) is arranged in the rack (1), a first bearing (14) is arranged in the fixed plate (11), a first rotating shaft (141) in rotating fit is arranged in the first bearing (14), a rotating table (15) is arranged at one end of the first rotating shaft (141), a chassis (3) is arranged above the rotating table (15), two groups of fixed assemblies (5) are arranged on the chassis (3), a first moving plate (18) is arranged above the rack (1), and a second moving plate (183) is arranged above the first moving plate (18);

the chassis (3) is fixed on the first connecting plate (153), a third groove (31) is formed in the chassis (3), a first guide strip (32) is arranged in the third groove (31), a third moving plate (33) in sliding fit is arranged on the first guide strip (32), a second guide strip (34) is arranged on the third moving plate (33), a fourth moving plate (35) in sliding fit is arranged on the second guide strip (34), a rotating disc (36) is arranged on the fourth moving plate (35), and an angle adjusting rod (361) is arranged on one side of the rotating disc (36);

one group of the fixed components (5) is fixed on the chassis (3), and the other group of the fixed components (5) is fixed on the rotating disc (36);

fixed subassembly (5) include first mounting bracket (51), be equipped with second connecting plate (52) on first mounting bracket (51), second connecting plate (52) one side is equipped with second mounting bracket (521), second connecting plate (52) another side is equipped with third connecting plate (55), second connecting plate (52) upper end is equipped with rotor plate (56) of rotating the connection, second connecting plate (52) one side is equipped with third cylinder (57) of rotating the connection, be equipped with the flexible post of third cylinder (571) on third cylinder (57), the flexible post of third cylinder (571) upper end and second axis of rotation (561) rotate and be connected.

2. The damping device of the high-speed machining center according to claim 1, wherein a first motor (12) is arranged on one side of the fixing plate (11), one end of the first motor (12) is connected with a speed reducer, a first gear (121) is arranged on a rotating shaft on one side of the speed reducer, a first support (13) is arranged at one end of the speed reducer, a second gear (131) which is rotatably connected is arranged on the first support (13), a first open slot (111) is formed in the fixing plate (11), a first bearing (14) which is fixedly connected is arranged in the first open slot (111), a third gear (142) which is fixedly connected is arranged on the first rotating shaft (141), the first gear (121) is meshed with the second gear (131), and the second gear (131) is meshed with the third gear (142).

3. The high-speed machining center damping device is characterized in that a second motor (143) is arranged on the first rotating shaft (141), a first bevel gear (144) is arranged at the top end of the rotating shaft of the second motor (143), a second bearing (151) and a worm (154) which are fixedly connected are arranged on the rotating table (15), a hollow worm wheel (152) is arranged on the outer side of the second bearing (151), the hollow worm wheel (152) is meshed with the worm (154), a first connecting plate (153) is arranged on the hollow worm wheel (152), a second bevel gear (155) which is fixedly connected is arranged at one end of the worm (154), and the second bevel gear (155) is meshed with the first bevel gear (144).

4. The damping device for the high-speed machining center according to claim 1, wherein the frame (1) is provided with first mounting plates (16) distributed in an array, the first mounting plates (16) are provided with first slide rails (161), the first slide rails (161) are provided with first slide blocks (162) distributed in an array in a sliding fit manner, the first slide blocks (162) are fixedly connected with a first moving plate (18), first lead screws (17) are arranged between the first mounting plates (16), the first lead screws (17) are provided with first lead screw nuts (171) in a threaded fit manner, the first lead screw nuts (171) are fixedly matched with the first moving plate (18), one end of each first lead screw (17) is provided with a third motor (172), the first moving plate (18) is provided with second slide rails (181) distributed in an array manner, the second slide rails (181) are provided with second slide blocks (182) in a sliding fit manner, the second sliding block (182) is fixedly connected with a second moving plate (183), a second lead screw (19) is arranged between the second sliding rails (181), a second lead screw nut (191) in threaded fit is arranged on the second lead screw (19), the second lead screw nut (191) is fixedly connected with the second moving plate (183), and a sixth motor (192) is arranged at one end of the second lead screw (19).

5. The damping device for the high-speed machining center according to claim 1, wherein the second moving plate (183) is provided with a tool bit assembly (2), the tool bit assembly (2) comprises a second mounting plate (21), the second mounting plate (21) is provided with a guide frame (22), a second slot (221) is formed in the guide frame (22), a lifting column (23) capable of sliding up and down is arranged in the second slot (221), a fourth motor (24) is arranged in the lifting column (23), a chuck (25) is arranged at the lower end of the lifting column (23), a fixedly connected rack (26) is arranged in one side of the lifting column (23), a fifth motor (27) is arranged on one side of the guide frame (22), a fourth gear (28) is arranged on a rotating shaft of the fifth motor (27), the rotating shaft of the fifth motor (27) penetrates through the guide frame (22), the fourth gear (28) is meshed with the rack (26), and the fifth motor (27) drives the fourth gear (28) to rotate, the fourth gear (28) drives the lifting column (23) to lift through the meshing with the rack (26).

6. The damping device of the high-speed machining center according to claim 1, wherein a first cylinder (53) is arranged below the second mounting frame (521), a first cylinder telescopic rod (531) is arranged on the first cylinder (53), a first lifting block (524) fixedly connected with the first cylinder telescopic rod (531) is arranged at the upper end of the first cylinder telescopic rod (531), a fixed block (522) is arranged above the first lifting block (524), guide columns (523) distributed in an array are arranged on the first lifting block (524), the guide columns (523) are in sliding fit with the fixed block (522), the fixed block (522) is fixedly connected with the second connecting plate (52), a second lifting block (525) is arranged at the upper end of the guide column (523), a first connecting block (527) is arranged on one side of the second lifting block (525), a first damping pad (526) is arranged between the second lifting block (525) and the first connecting block (527), a second connecting block (529) is arranged on one side of the first connecting block (527), be equipped with second shock pad (528) between first connecting block (527) and second connecting block (529), second connecting plate (52) upper end is equipped with first shock absorber block (5210), is equipped with backup pad (54) on second connecting block (529), and backup pad (54) have screw thread post (541), screw thread post (541) and second connecting block (529) screw-thread fit are equipped with nut (542) on screw thread post (541).

7. The high-speed machining center shock absorption device as claimed in claim 1, wherein a fourth slot (551) is formed in the third connecting plate (55), a second shock absorption block (552) is formed in the fourth slot (551), a second cylinder (553) is respectively arranged at two ends of the fourth slot (551), and a first push plate (554) is respectively arranged at the telescopic end of the second cylinder (553).

8. The damping device for the high-speed machining center according to claim 1, wherein a second rotating shaft (561) is arranged at one end of the rotating plate (56), a third rotating shaft (562), a fourth connecting block (564) and a third damping block (566) are arranged below the rotating plate (56), the third rotating shaft (562) is rotatably connected with the second connecting plate (52), a third damping pad (563) is arranged between the fourth connecting block (564) and the rotating plate (56), a fifth connecting block (565) is arranged on one side of the fourth connecting block (564), a bidirectional cylinder (58) is arranged on the fifth connecting block (565), and second pushing plates (581) are arranged on telescopic columns at two ends of the bidirectional cylinder (58).

Background

High speed machining centers have evolved from numerically controlled machine tools. The high-speed machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts, and is one of numerical control machines with the highest yield and the most extensive application in the world at present. The comprehensive processing capacity is strong, a workpiece can finish more processing contents after being clamped once, the processing precision is high, batch workpieces with medium processing difficulty are processed, the efficiency is 5-10 times that of common equipment, especially, the batch processing method can finish processing which cannot be finished by a plurality of common equipment, and the batch processing method is more suitable for single-piece processing or medium-small batch multi-variety production with complex shapes and high precision requirements. The high-speed machining center is a numerical control machining tool with complete functions. The functions of milling, boring, drilling, tapping, cutting threads and the like are integrated on one device, so that the device has multiple technological means. Most machining center clamping device can only fix regular work piece mostly, and it is fixed that semi-manufactured goods steel spare adopts magnetism to inhale mostly, and is poor to stainless steel work piece, semi-manufactured goods fixed effect, especially the stainless steel work piece in the inside U type groove of body arc, adopts the rigid connection mostly in the production process to use common machine tool to process, the cost of labor is high, the error is big, can't carry out production efficiency's improvement through high-speed machining center fast processing. In view of such circumstances, a high-speed machining center damping device has been proposed.

Disclosure of Invention

The invention aims to provide a damping device for a high-speed machining center, which can effectively overcome the defects in the background art, has a good fixing effect, has supporting designs on the inner part, the outer part and the lower part, can effectively clamp a stainless steel workpiece in a U-shaped groove in the arc-shaped inner part of a body, adopts a buffering and damping design, effectively avoids hard connection, prevents a thin part from deforming, has a good machining effect, adopts multi-axis angle and position adjustment, has a good forming effect and small error, and improves the production efficiency.

The purpose of the invention can be realized by the following technical scheme:

a damping device of a high-speed machining center comprises a rack, wherein a fixed plate is arranged in the rack, a first bearing is arranged in the fixed plate, a first rotating shaft which is in rotating fit with the first bearing is arranged in the first bearing, a rotating table is arranged at one end of the first rotating shaft, a chassis is arranged above the rotating table, two groups of fixed assemblies are arranged on the chassis, a first moving plate is arranged above the rack, and a second moving plate is arranged above the first moving plate;

the chassis is fixed on the first connecting plate, a third groove is formed in the chassis, a first guide strip is arranged in the third groove, a third moving plate in sliding fit is arranged on the first guide strip, a second guide strip is arranged on the third moving plate, a fourth moving plate in sliding fit is arranged on the second guide strip, a rotating disc is arranged on the fourth moving plate, and an angle adjusting rod is arranged on one side of the rotating disc;

one group of the fixing assemblies is fixed on the chassis, and the other group of the fixing assemblies is fixed on the rotating disc;

the fixed component comprises a first mounting frame, a second connecting plate is arranged on the first mounting frame, a second mounting frame is arranged on one side of the second connecting plate, a third connecting plate is arranged on the other side of the second connecting plate, a rotating plate connected in a rotating mode is arranged at the upper end of the second connecting plate, a third cylinder connected in a rotating mode is arranged on one side of the second connecting plate, a third cylinder telescopic column is arranged on the third cylinder, and the upper end of the third cylinder telescopic column is connected with the second rotating shaft in a rotating mode.

Furthermore, a first motor is arranged on one side of the fixing plate, one end of the first motor is connected with the speed reducer, a first gear is arranged on a rotating shaft on one side of the speed reducer, a first support is arranged at one end of the speed reducer, a second gear which is connected in a rotating mode is arranged on the first support, a first groove is formed in the fixing plate, a first bearing which is fixedly connected is arranged in the first groove, a third gear which is fixedly connected is arranged on the first rotating shaft, the first gear is meshed with the second gear, and the second gear is meshed with the third gear.

Furthermore, a second motor is arranged on the first rotating shaft, a first bevel gear is arranged at the top end of the rotating shaft of the second motor, a second bearing and a worm which are fixedly connected are arranged on the rotating table, a hollow worm wheel is arranged on the outer side of the second bearing and meshed with the worm, a first connecting plate is arranged on the hollow worm wheel, a second bevel gear which is fixedly connected is arranged at one end of the worm, and the second bevel gear is meshed with the first bevel gear.

Further, the rack is provided with first mounting plates distributed in an array manner, the first mounting plates are provided with first slide rails, the first slide rails are provided with first slide blocks distributed in an array manner in a sliding fit manner, the first slide blocks are fixedly connected with first movable plates, first lead screws are arranged between the first mounting plates, the first lead screws are provided with first lead screw nuts in threaded fit, the first lead screw nuts are fixedly matched with the first movable plates, one ends of the first lead screws are provided with third motors, the first movable plates are provided with second slide rails distributed in an array manner, the second slide rails are provided with second slide blocks in sliding fit manner, the second slide blocks are fixedly connected with second movable plates, second lead screws are arranged between the second slide rails, the second lead screws are provided with second lead screw nuts in threaded fit, the second lead screw nuts are fixedly connected with the second movable plates, and one ends of the second lead screws are provided with sixth motors.

Further, be equipped with the tool bit subassembly on the second movable plate, the tool bit subassembly includes the second mounting panel, be equipped with the leading truck on the second mounting panel, be equipped with the second fluting in the leading truck, be equipped with the lift post that slides and go up and down in the second fluting, be equipped with the fourth motor in the lift post, lift post lower extreme is equipped with the chuck, be equipped with fixed connection's rack in lift post one side, leading truck one side is equipped with the fifth motor, be equipped with the fourth gear in the fifth motor axis of rotation, the leading truck is passed to the fifth motor axis of rotation, fourth gear and rack toothing, the fifth motor drives the fourth gear and rotates, the fourth gear drives the lift post through the meshing with the rack and goes up and down.

Further, a first air cylinder is arranged below the second mounting frame, a first air cylinder telescopic rod is arranged on the first air cylinder, a first lifting block fixedly connected is arranged at the upper end of the first air cylinder telescopic rod, a fixed block is arranged above the first lifting block, guide posts distributed in an array mode are arranged on the first lifting block, the guide posts are in sliding fit with the fixed block, the fixed block is fixedly connected with the second connecting plate, a second lifting block is arranged at the upper end of the guide posts, a first connecting block is arranged on one side of the second lifting block, a first shock pad is arranged between the second lifting block and the first connecting block, a second connecting block is arranged on one side of the first connecting block, a second shock pad is arranged between the first connecting block and the second connecting block, a first shock pad is arranged on the upper end of the second connecting plate, a supporting plate is arranged on the second connecting block, a threaded post is arranged below the supporting plate, the threaded post is in threaded fit with the second connecting block, and a nut is arranged on the threaded post.

Further, be equipped with the fourth fluting on the third connecting plate, be equipped with the second snubber block in the fourth fluting, fourth fluting both ends all are equipped with the second cylinder, and the flexible end of second cylinder all is equipped with first slurcam.

Further, rotor plate one end is equipped with the second axis of rotation, and the rotor plate has third axis of rotation, fourth connecting block, third snubber block, and the third axis of rotation rotates with the second connecting plate to be connected, is equipped with the third shock pad between fourth connecting block and the rotor plate, and fourth connecting block one side is equipped with the fifth connecting block, is equipped with two-way cylinder on the fifth connecting block, all is equipped with the second catch plate on the flexible post in two-way cylinder both ends.

The invention has the beneficial effects that:

1. the damping device of the high-speed machining center has a good fixing effect, the inner part, the outer part and the lower part are provided with the supporting designs, the stainless steel workpiece in the U-shaped groove in the arc-shaped inner part of the body can be effectively clamped, the fixing device adopts the buffering damping design, the hard connection is effectively avoided, and the thin part is prevented from deforming;

2. the damping device of the high-speed machining center has the advantages of good machining effect, adoption of multi-axis angle and position adjustment, good forming effect, small error and improvement of production efficiency.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a shock absorbing device of a high speed machining center according to the present invention;

FIG. 2 is a schematic view of a part of the shock absorbing device of the high speed machining center according to the present invention;

FIG. 3 is a schematic view of a part of the shock absorbing device of the high speed machining center according to the present invention;

FIG. 4 is a schematic view of a part of the shock absorbing device of the high speed machining center according to the present invention;

FIG. 5 is a schematic view of a cutter head assembly of the present invention;

FIG. 6 is a schematic view of a portion of the construction of the inventive cutter head assembly;

FIG. 7 is a schematic view of a part of the shock absorbing device of the high speed machining center according to the present invention;

FIG. 8 is a schematic view of the construction of the base pan of the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 7 at A in accordance with the present invention;

FIG. 10 is a schematic view of the construction of the securing assembly of the present invention;

FIG. 11 is a schematic view of the construction of the securing assembly of the present invention;

fig. 12 is a schematic structural view of the fixing member of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 12, a high-speed machining center damping device includes a frame 1, a fixed plate 11 is disposed in the frame 1, a first bearing 14 is disposed in the fixed plate 11, a first rotating shaft 141 rotatably engaged with the first bearing 14 is disposed in the first bearing 14, a rotating table 15 is disposed at one end of the first rotating shaft 141, a chassis 3 is disposed above the rotating table 15, two sets of fixed assemblies 5 are disposed on the chassis 3, a first moving plate 18 is disposed above the frame 1, and a second moving plate 183 is disposed above the first moving plate 18.

Referring to fig. 1-4, a first motor 12 is disposed on one side of a fixing plate 11, one end of the first motor 12 is connected to a speed reducer, a first gear 121 is disposed on a rotating shaft on one side of the speed reducer, a first bracket 13 is disposed on one end of the speed reducer, a second gear 131 is disposed on the first bracket 13 and is rotatably connected to the first bracket, a first slot 111 is disposed in the fixing plate 11, a first bearing 14 is disposed in the first slot 111 and is fixedly connected to the first bearing, a third gear 142 is disposed on a first rotating shaft 141, the first gear 121 is engaged with the second gear 131, and the second gear 131 is engaged with the third gear 142, so that the first motor 12 drives the first rotating shaft 141 to rotate;

the first rotating shaft 141 is provided with a second motor 143, the top end of the rotating shaft of the second motor 143 is provided with a first bevel gear 144, the rotating table 15 is provided with a second bearing 151 and a worm 154 which are fixedly connected, the outer side of the second bearing 151 is provided with a hollow worm gear 152, the hollow worm gear 152 is meshed with the worm 154, the hollow worm gear 152 is provided with a first connecting plate 153, one end of the worm 154 is provided with a second bevel gear 155 which is fixedly connected, the second bevel gear 155 is meshed with the first bevel gear 144, the second motor 143 drives the first bevel gear 144 to rotate, the first bevel gear 144 drives the second bevel gear 155 to rotate, the second bevel gear 155 drives the worm 154 to rotate, the worm 154 drives the hollow worm gear 152 to rotate, and the hollow worm gear 152 drives the first connecting plate 153 to rotate;

the rack 1 is provided with first mounting plates 16 distributed in an array, the first mounting plates 16 are provided with first slide rails 161, the first slide rails 161 are provided with first slide blocks 162 distributed in an array in a sliding fit, the first slide blocks 162 are fixedly connected with first moving plates 18, first lead screws 17 are arranged between the first mounting plates 16, the first lead screws 17 are provided with first lead screw nuts 171 in threaded fit, the first lead screw nuts 171 are fixedly matched with the first moving plates 18, one ends of the first lead screws 17 are provided with third motors 172, the third motors 172 drive the first lead screws 17 to rotate, the first lead screws 17 drive the first lead screw nuts 171 to move, the first lead screw nuts 171 drive the first moving plates 18 to move, the first moving plates 18 are provided with second slide rails 181 distributed in an array, the second slide rails 181 are provided with second slide blocks 182 in a sliding fit, the second slide blocks 182 are fixedly connected with second moving plates 183, and second lead screws 19 are arranged between the second slide rails 181, a second screw nut 191 in threaded fit is arranged on the second screw rod 19, the second screw nut 191 is fixedly connected with the second moving plate 183, a sixth motor 192 is arranged at one end of the second screw rod 19, the sixth motor 192 drives the second screw rod 19 to rotate, the second screw rod 19 drives the second screw nut 191 to move, and the second screw nut 191 drives the second moving plate 183 to move.

Referring to fig. 5 and 6, the second moving plate 183 is provided with a cutter head assembly 2, the cutter head assembly 2 includes a second mounting plate 21, the second mounting plate 21 is provided with a guide frame 22, a second slot 221 is formed in the guide frame 22, a lifting column 23 capable of sliding up and down is formed in the second slot 221, a fourth motor 24 is formed in the lifting column 23, a chuck 25 is arranged at the lower end of the lifting column 23, a fixedly connected rack 26 is formed in one side of the lifting column 23, a fifth motor 27 is arranged on one side of the guide frame 22, a fourth gear 28 is arranged on a rotating shaft of the fifth motor 27, the rotating shaft of the fifth motor 27 penetrates through the guide frame 22, the fourth gear 28 is engaged with the rack 26, the fifth motor 27 drives the fourth gear 28 to rotate, and the fourth gear 28 drives the lifting column 23 to lift through engagement with the rack 26.

Referring to fig. 8, the chassis 3 is fixed on the first connecting plate 153, the chassis 3 is provided with a third slot 31, the third slot 31 is provided with a first guide bar 32 therein, the first guide bar 32 is provided with a third moving plate 33 in sliding fit, the third moving plate 33 is provided with a second guide bar 34, the second guide bar 34 is provided with a fourth moving plate 35 in sliding fit, the fourth moving plate 35 is provided with a rotating disc 36, and an angle adjusting rod 361 is provided at one side of the rotating disc 36.

Referring to fig. 7-12, one set of fixing components 5 is fixed on the chassis 3, the other set of fixing components 5 is fixed on the rotating disc 36, the fixing components 5 include a first mounting frame 51, a second connecting plate 52 is disposed on the first mounting frame 51, a second mounting frame 521 is disposed on one side of the second connecting plate 52, a first cylinder 53 is disposed below the second mounting frame 521, a first cylinder expansion rod 531 is disposed on the first cylinder 53, a first lifting block 524 fixedly connected to the upper end of the first cylinder expansion rod 531 is disposed on the upper end of the first cylinder expansion rod 524, a fixing block 522 is disposed above the first lifting block 524, guide posts 523 distributed in an array are disposed on the first lifting block 524, the guide posts 523 are slidably engaged with the fixing block 522, the fixing block 522 is fixedly connected to the second connecting plate 52, a second lifting block 525 is disposed on the upper end of the guide posts 523, a first connecting block 527 is disposed on one side of the second lifting block 525, a first cushion 526 is disposed between the second lifting block 525 and the first connecting block 527, a second connecting block 529 is arranged on one side of the first connecting block 527, a second shock absorption pad 528 is arranged between the first connecting block 527 and the second connecting block 529, a first shock absorption block 5210 is arranged at the upper end of the second connecting plate 52, a supporting plate 54 is arranged on the second connecting block 529, a threaded column 541 is arranged below the supporting plate 54, the threaded column 541 is in threaded fit with the second connecting block 529, and a nut 542 is arranged on the threaded column 541;

the other side of the second connecting plate 52 is provided with a third connecting plate 55, the third connecting plate 55 is provided with a fourth slot 551, a second damping block 552 is arranged in the fourth slot 551, the arc-shaped workpiece 4 is placed on the second damping block 552, two ends of the fourth slot 551 are respectively provided with a second air cylinder 553, and the telescopic end of each second air cylinder 553 is respectively provided with a first push plate 554;

the upper end of the second connecting plate 52 is provided with a rotating plate 56 which is rotatably connected, one end of the rotating plate 56 is provided with a second rotating shaft 561, a third rotating shaft 562 is arranged below the rotating plate 56, a fourth connecting block 564 and a third damping block 566 are arranged, the third rotating shaft 562 is rotatably connected with the second connecting plate 52, a third damping pad 563 is arranged between the fourth connecting block 564 and the rotating plate 56, one side of the fourth connecting block 564 is provided with a fifth connecting block 565, the fifth connecting block 565 is provided with a bidirectional cylinder 58, telescopic columns at two ends of the bidirectional cylinder 58 are respectively provided with a second pushing plate 581, one side of the second connecting plate 52 is provided with a third cylinder 57 which is rotatably connected, the third cylinder 57 is provided with a third cylinder telescopic column 571, and the upper end of the third cylinder telescopic column 571 is rotatably connected with the second rotating shaft 561.

When the device is used, the position of another group of fixing assemblies 5 is adjusted according to the radian of an arc-shaped workpiece 4, the rotating disc 36 is pulled to move, then the angle adjusting rod 361 is rotated to adjust the angle of the rotating disc 36, different second damping blocks 552, first damping blocks 5210 and third damping blocks 566 are replaced according to the thickness of the arc-shaped workpiece 4, the height of the supporting plate 54 is adjusted through the nut 542, the arc-shaped workpiece 4 is placed on the second damping blocks 552, as shown in fig. 9, the third air cylinder 57 pushes the rotating plate 56 to rotate, the fifth connecting block 565 presses the inner groove of the arc-shaped workpiece 4, the bidirectional air cylinder 58 pushes the second pushing plate 581 to support two sides of the inner groove of the arc-shaped workpiece 4, the second air cylinder 553 pushes the first pushing plate 554 to support the outer side of the arc-shaped workpiece 4, the first air cylinder 53 pushes the second lifting block 525 to lift, the second lifting block 525 drives the second connecting block 529 to lift, the second connecting block 529 drives the supporting plate 54 to support the lower part of the arc-shaped workpiece 4, then the third motor 172 and the sixth motor 192 adjust the position of the tool bit assembly 2, the fifth motor 27 drives the lifting column 23 to lift, the first motor 12 drives the chassis 3 to rotate transversely, the second motor 143 drives the chassis 3 to rotate longitudinally, and the tool bit assembly 2 processes the arc-shaped workpiece 4.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.