CN111975364A

CN111975364A - Turning and milling composite numerical control machine tool

Info

Publication number: CN111975364A
Application number: CN202010614182.7A
Authority: CN
Inventors: 吕爱国
Original assignee: Taizhou Hanggong Machine Tool Co ltd
Current assignee: Taizhou Hanggong Machine Tool Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-11-24

Abstract

The application relates to a turning and milling composite numerical control machine tool, which comprises a case, a processing groove formed in the case and a processing assembly arranged in the processing groove, wherein the processing assembly comprises a transverse plate slidably arranged in the processing groove, a sliding seat slidably arranged on the transverse plate and a processing table arranged on the sliding seat; the machining table comprises a turning tool seat at the bottom and a milling tool seat at the top, a plurality of turning tool bits are arranged on the turning tool seat, and a plurality of milling tool bits are arranged on the milling tool seat; the three-jaw chuck is rotatably installed on the side wall of the processing tank, and the side wall far away from the processing tank is provided with the feeding assembly. This application has the effect that promotes machining efficiency.

Description

Turning and milling composite numerical control machine tool

Technical Field

The application relates to the field of machining equipment, in particular to a turning and milling composite numerical control machine tool.

Background

At present, in the process of machining a cylindrical workpiece as shown in fig. 1, the cylindrical workpiece needs to be machined again by a milling machine after being machined by a lathe according to the size and design requirements of the cylindrical workpiece, so that the cylindrical workpiece meets the machining requirements.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the change of machine tool at every turn when adding man-hour all needs readjustment for the process is troublesome, and the change process consumes time, and carry out the lathe change in the course of working and be difficult to guarantee that the processing axis is unanimous, influences product quality and machining efficiency, has consumed manpower and time.

Disclosure of Invention

In order to promote machining efficiency, the application provides a turn-milling composite numerical control machine tool.

The application provides a turn-milling composite numerical control machine tool adopts following technical scheme:

a turning and milling composite numerical control machine tool comprises a machine case, a processing groove formed in the machine case and a processing assembly arranged in the processing groove, wherein the processing assembly comprises a transverse plate slidably arranged in the processing groove, a sliding seat slidably arranged on the transverse plate and a processing table arranged on the sliding seat, the transverse plate is provided with a first driving piece for driving the transverse plate to horizontally slide and a second driving piece for driving the sliding seat to horizontally slide along the transverse plate, and the sliding seat is provided with a third driving piece for driving the processing table to vertically move; the machining table comprises a turning tool seat at the bottom and a milling tool seat at the top, a plurality of turning tool bits are arranged on the turning tool seat, and a plurality of milling tool bits are arranged on the milling tool seat; the three-jaw chuck is rotatably installed on the side wall of the processing tank, and the side wall far away from the processing tank is provided with the feeding assembly.

By adopting the technical scheme, the structure of the processing table is used for installing the rotary milling cutter head and the fixed turning cutter head, and the feeding assembly and the three-jaw chuck are used for clamping the workpiece; the driving piece I and the driving piece II carry out driving on the horizontal direction on the machining table, the horizontal position is adjusted, the structure using the driving piece III can adjust the height of the machining table, the milling cutter head or the turning tool head can be selected according to the situation to machine the workpiece through the change of the position of the reinforcing table, and the machining efficiency is effectively improved compared with the machining of different machining tools in replacement.

Preferably, one side of the processing tank, which is far away from the three-jaw chuck, is provided with a through hole and a feeding table, and the feeding table is provided with a driving roller and a driven roller; the rotating plate is rotatably installed on the side wall where the through hole is formed, a hole for a workpiece to pass through is formed in the rotating axis of the rotating plate along the horizontal direction, a horizontal guide pipe is arranged on the rotating plate and comprises a guide portion and a clamping portion, the inner diameter of the guide portion along the direction close to the three-jaw chuck is gradually reduced, and the clamping portion is arranged to be a straight cylinder.

By adopting the technical scheme, the structure of the feeding table is used, the driving roller and the driven roller on the feeding table clamp and convey the workpiece forwards, the structures of the rotary table and the guide pipe on the rotary table are added for guiding the workpiece in the advancing process, and the inner diameter of the guide pipe is gradually reduced, so that the cylindrical workpiece can well enter the clamping part.

Preferably, a horizontal movable groove is formed in the feeding table, a first connecting frame and a second connecting frame are arranged in the movable groove, the driving roller and the driven roller are respectively installed on the first connecting frame and the second connecting frame in a rotating mode, two reset springs are arranged in the movable groove, the end portions, close to each other, of the two reset springs are respectively connected with the first connecting frame and the second connecting frame, one end, far away from each other, of each reset spring is connected with the side wall of the end portion of the movable groove, and a feeding motor for driving the driving roller to rotate is arranged on the first connecting frame.

Through adopting above-mentioned technical scheme, used two link framves to be used for carrying on the installation of drive roll and driven voller, used two reset spring, reset spring is connected to the link on the inner wall of activity groove tip, and the work piece can extrude drive roll and driven voller when the material loading for drive roll and driven voller move to both sides respectively, and the elasticity through the spring presss from both sides tightly the work piece, and the structure that uses reset spring simultaneously also is applicable to the work piece of different diameters.

Preferably, a bevel gear A is rotatably arranged on the rotary table, and the axes of the bevel gear A and the rotary table are the same; holes are formed in the rotary disc and the bevel gear A; the guide pipe comprises a left half part and a right half part which have the same structure, the left half part and the right half part are connected with guide rods, and the guide rods are arranged in the holes and extend into the rotary table to be connected with the rotary table in a sliding manner; the carousel edge symmetry be provided with two and connect the platform, connect and rotate in the platform and install the threaded rod, the threaded rod is connected with bevel gear second, bevel gear second and bevel gear first meshing, left part and right part all are connected with L shape connection piece, the threaded rod run through L shape connection piece and with L shape connection piece screw-thread fit.

By adopting the technical scheme, the structures of the bevel gear A and the bevel gear B on the turntable are added, the bevel gear A can drive the bevel gear B to rotate when rotating, the structure of the threaded rod connected with the bevel gear B can rotate, the guide rod is connected with the two halves of the guide pipe, the structure of the L-shaped connecting piece matched with the threaded rod can drive the left half part and the right half part to slide, and when the left half part and the right half part are far away from each other, the interval between the left half part and the right half part is increased, so that the rotary table is suitable for larger-size workpieces to pass through; simultaneously, the bevel gear A is rotated in the reverse direction, so that the left half part and the right half part are close to each other, the workpiece is clamped, the three-jaw chuck is used at the other end for clamping the workpiece, the workpiece can be positioned, and the workpiece can be conveniently machined.

Preferably, a water tank is arranged on one side of the case, a water inlet and a water outlet are formed in the water tank, and the water outlet is connected with a water outlet pipe.

Through adopting above-mentioned technical scheme, used the structure of water tank and water pipe, add man-hour water pipe and to facing to machined part blowout clear water, clear up the piece on the work piece when the cooling.

Preferably, the first driving part comprises a first driving motor arranged at the end part of the transverse plate, an output shaft of the first driving motor is connected with a gear, and a rack meshed with the gear is arranged at the top of the case.

Through adopting above-mentioned technical scheme, use driving motor I's structure as driving piece one, driving motor I's rotation can drive the gear rotation when using for the diaphragm carries out horizontal migration, adjusts the position of processing platform.

Preferably, the driving part II comprises a transverse electric push rod arranged on the transverse plate, and the end part of a movable rod of the transverse electric push rod is connected with the sliding seat; the driving piece III comprises a vertical electric push rod arranged on the sliding seat, and the bottom of a movable rod of the vertical electric push rod is connected with the processing table.

Through adopting above-mentioned technical scheme, used horizontal electric putter's structural action driving piece two, can drive the slide and carry out horizontal migration along the diaphragm, equally, use vertical electric putter as driving piece three, vertical electric putter can drive the processing platform and remove along vertical direction, has realized altitude mixture control.

Preferably, the milling cutter head is provided with three positions on the milling cutter seat, the milling cutter head is rotatably connected with the milling cutter seat through a rotating shaft, a hollow groove is formed in the milling cutter seat, the rotating shaft is connected with a worm wheel, the worm wheel is arranged in the hollow groove, a second driving motor is arranged on the milling cutter seat, an output shaft of the second driving motor is connected with a worm, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, the structure that has used worm wheel and worm carries out the drive of milling cutter head, can drive the rotation of worm, worm wheel and milling cutter head when driving motor two rotates, processes the work piece through the rotation of milling cutter head.

Preferably, the turning tools are arranged at three positions on the turning tool seat and are arranged along the vertical direction.

Through adopting above-mentioned technical scheme, use the structure of three places lathe tools, can select rough machining and finish machining according to the height of the different adjustment processing platforms of size of lathe tool.

In summary, the present application includes at least one of the following beneficial technical effects:

a rotary milling head and a fixed turning head are arranged by using the structure of a processing table, and a feeding assembly and a three-jaw chuck are used for clamping a workpiece; the first driving piece and the third driving piece are used for driving the two pairs of machining tables in the horizontal direction to adjust the horizontal position, the height of the machining tables can be adjusted by using the structure of the third driving piece, and a milling cutter head or a turning cutter head can be selected to machine a workpiece according to the situation by changing the position of the reinforcing table, so that the machining efficiency is effectively improved compared with the mode of replacing different machining machines to machine the workpiece;

the structure of the feeding table, the movable groove, the driving roller and the driven roller is added, the workpiece is fed through the rotation of the driving roller, and the guide roller is used for guiding, so that the workpiece is conveniently aligned with the three-jaw chuck, and the processing efficiency is improved;

the structure of carousel, bevel gear and stand pipe has been increased, has realized the drive to the stand pipe left half and right half through bevel gear's rotation, is applicable to the material loading of unidimensional work piece, can press from both sides the work piece simultaneously tightly, is convenient for carry out the processing of work piece.

Drawings

FIG. 1 is a schematic structural diagram of a main body of an embodiment of the application;

FIG. 2 is a schematic view of the processing station of the claimed embodiment;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

FIG. 4 is a schematic view of the structure of the turntable in the embodiment of the application;

FIG. 5 is a schematic side view of the main structure in the embodiment of the present application;

FIG. 6 is a schematic view of the internal structure of the water tank in the embodiment of the present application.

Description of reference numerals: 1. a chassis; 10. processing a tank; 11. a rack; 12. a three-jaw chuck; 13. driving a motor III; 14. a first bevel gear; 2. a transverse plate; 21. a slide base; 22. a transverse electric push rod; 23. a vertical electric push rod; 24. driving a motor I; 25. a gear; 3. a processing table; 30. an empty groove; 31. a milling cutter seat; 32. turning a tool apron; 33. a milling head; 34. a lathe tool head; 35. a worm gear; 36. a worm; 37. a second driving motor; 4. a feeding table; 41. a movable groove; 42. a connecting frame A; 43. a connecting frame B; 44. a return spring; 45. a drive roll; 46. a driven roller; 47. a feeding motor; 5. a turntable; 51. a bevel gear A; 52. a bevel gear B; 53. a connecting table; 54. a threaded rod; 6. a guide tube; 61. a left component; 62. a right member; 63. a guide portion; 64. a clamping portion; 66. a guide bar; 7. a water tank; 71. a water outlet pipe; 72. a water inlet pipe; 73. an air outlet; 74. a movable plate; 75. a connecting spring; 76. an air inlet pipe; 8. a connecting pipe; 81. a reciprocating screw rod; 82. a second bevel gear; 83. a movable block; 84. a piston; 85. a cross bar; 86. and (4) connecting the blocks.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a turning and milling composite numerical control machine tool. Referring to fig. 1, the machining apparatus includes a machine casing 1, a machining tank 10 opened in the machine casing 1, and a machining module installed in the machining tank 10.

Referring to fig. 1, the processing assembly includes a transverse plate 2 slidably mounted in the processing tank 10, a slide carriage 21 slidably mounted on the transverse plate 2, and a processing table 3 mounted on the slide carriage 21, wherein a first driving member for driving the transverse plate 2 to horizontally slide and a second driving member for driving the slide carriage 21 to horizontally slide along the transverse plate 2 are disposed on the transverse plate 2, and a third driving member for driving the processing table 3 to vertically move is mounted on the slide carriage 21. The side wall of the processing tank 10 is rotatably provided with a three-jaw chuck 12, and the side wall far away from the processing tank 10 is provided with a feeding assembly.

Referring to fig. 1, the first driving part includes a first driving motor 24 installed at an end of the transverse plate 2, the transverse plate 2 and the case 1 have the same length direction, an output shaft of the first driving motor 24 is connected with a gear 25, a rack 11 is fixedly connected to the top of the case 1, the rack 11 is meshed with the gear 25, the length of the rack 11 is arranged along the width direction of the case 1, a sliding block is formed at the bottom of the transverse plate 2, a sliding groove for the sliding block to slide is formed at the top of a side wall of the case 1, and the length direction of the sliding groove is the same as that. When the driving motor 24 works, the transverse plate 2 and the processing table 3 are driven to horizontally slide along the width direction of the case 1.

Referring to fig. 1, the second driving member includes a transverse electric push rod 22 installed at one end of the transverse plate 2 away from the rack 11, the length direction of the transverse electric push rod 22 is the same as that of the transverse plate 2, the end of a movable rod of the transverse electric push rod 22 is connected with the slide carriage 21, and the slide carriage 21 is driven by the transverse electric push rod 22 to slide along the length direction of the transverse plate 2 and drive the processing table 3 to move horizontally. The driving piece III comprises a vertical electric push rod 23 installed on the sliding seat 21, the length direction of the vertical electric push rod 23 is arranged along the vertical direction, the bottom of a movable rod of the vertical electric push rod 23 is connected with the machining table 3 and drives the machining table 3 to vertically move, the height of the angle machining table 3 is adjusted, and a proper cutter or a milling cutter is selected to machine a workpiece through height adjustment.

Referring to fig. 2, the machining table 3 includes a turning tool base 32 at the bottom and a milling tool base 31 at the top, three turning tool bits 34 are fixed on the turning tool base 32, and three milling tool bits 33 are rotatably mounted on the milling tool base 31. The bit 34 is arranged in a vertical direction on the bit holder 32. The milling cutter head 33 is rotatably connected with the milling cutter seat 31 through a rotating shaft, a hollow groove 30 is formed in the milling cutter seat 31, the rotating shaft is connected with a worm wheel 35, the worm wheel 35 is arranged in the hollow groove 30, a second driving motor 37 is arranged on the milling cutter seat 31, an output shaft of the second driving motor 37 is connected with a worm 36, and the worm 36 is meshed with the worm wheel 35. The second driving motor 37 is operated to drive the milling head 33 to rotate for processing the workpiece.

Referring to fig. 3, a through hole is formed in the machining tank 10 on the side away from the three-jaw chuck 12, and a loading table 4 is installed on the loading table 4, and a driving roller 45 and a driven roller 46 are provided on the loading table 4. The loading table 4 is provided with a horizontal movable groove 41, and the length direction of the movable groove 41 is arranged along the width direction of the case 1. The movable groove 41 is internally provided with a first connecting frame 42 and a second connecting frame 43, the bottoms of the first connecting frame 42 and the second connecting frame 43 are slidably mounted in the movable groove 41, a driving roller 45 and a driven roller 46 are respectively rotatably mounted on the first connecting frame 42 and the second connecting frame 43, the movable groove 41 is internally provided with two return springs 44, the mutually close ends of the two return springs 44 are respectively connected with the first connecting frame 42 and the second connecting frame 43, one ends, far away from each other, of the two return springs 44 are connected with the side wall of the end part of the movable groove 41, and the first connecting frame 42 is provided with a feeding motor 47 for driving the driving roller 45 to rotate. Because the two connecting frames can slide in the movable groove 41, the interval between the two connecting frames can be changed, and the connecting frames can be suitable for workpieces with different sizes.

Referring to fig. 4, a rotating disc 5 is rotatably mounted on the side wall where the through hole is located, a hole for a workpiece to pass through is horizontally arranged on the rotation axis of the rotating disc 5, a horizontal guide pipe 6 is mounted on the rotating disc 5, the guide pipe 6 comprises a guide portion 63 and a clamping portion 64, the inner diameter of the guide portion 63 gradually decreases along the direction close to the three-jaw chuck 12, and the clamping portion 64 is a straight cylinder. The guide tube 6 comprises a left half part and a right half part which have the same structure, the left half part and the right half part are connected with guide rods 66, and the guide rods 66 are arranged in the holes and extend into the rotary disc 5 to be connected with the rotary disc 5 in a sliding manner.

Referring to fig. 4, a bevel gear plate 51 is rotatably mounted on the rotary table 5, the bevel gear plate 51 is rotatably connected with one side of the rotary table 5 close to the three-jaw chuck 12 through a connecting ring, the axes of the bevel gear plate and the rotary table 5 are overlapped and rotate along the own axis, and holes are formed in the rotary table 5 and the bevel gear plate 51. Two connecting tables 53 are symmetrically and fixedly connected to the edge of the rotary table 5, and the connecting tables 53 are symmetrically arranged by taking the axis of the rotary table 5 as a center. Threaded rods 54 are rotatably mounted in the two connecting tables 53, and the end parts, far away from each other, of the threaded rods 54 are rotatably connected with the connecting tables 53. The threaded rod 54 is connected with a bevel gear B52, the bevel gear B51 is meshed with a bevel gear A51, the left part 61 and the right part 62 are both connected with L-shaped connecting pieces, each L-shaped connecting piece comprises a transverse part perpendicular to the axis of the rotary disc 5 and a longitudinal part parallel to the axis of the rotary disc 5, and the threaded rod 54 penetrates through the longitudinal part of the L-shaped connecting piece and is in threaded fit with the L-shaped connecting piece. The bevel gear A51 is rotated to drive the bevel gear B52 to rotate, the bevel gear B52 drives the threaded rod 54 to rotate, the threaded rod 54 drives the L-shaped connecting pieces to be close to or far away from each other, and the L-shaped connecting pieces drive the left part 61 and the right part 62 to be close to or far away from each other. The left and

right members

61, 62 are spaced apart to allow the passage of larger diameter workpieces and are spaced closer together to clamp the workpieces.

Referring to fig. 5, a water tank 7 is arranged on one side of the case 1, a water inlet and a water outlet are arranged on the water tank 7, and the water outlet is connected with a water outlet pipe 71. The water outlet pipe 71 enters the processing tank 10 and is arranged towards a workpiece to be processed, water flow is sprayed to the workpiece when the water outlet pipe 71 sprays water, the workpiece can be cooled through the water flow, and chips generated during processing can be taken away.

Referring to fig. 5 and 6, the three-jaw chuck 12 (see fig. 1) is rotatably connected to the side wall of the chassis 1 through a rotating rod, the rotating rod extends to the outside of the chassis 1, a third driving motor 13 for driving the rotating rod to rotate is installed on the chassis 1, the rotating rod is connected to a first bevel gear 14, and the axes of the first bevel gear 14 and the rotating rod coincide. The connecting pipe 8 is installed on the side wall of the case 1, the connecting block 86 is formed inside the connecting pipe 8, the connecting block 86 is connected with the reciprocating screw rod 81, the end portion of the reciprocating screw rod 81 is rotatably connected with the connecting block 86, the reciprocating screw rod 81 is horizontally arranged along the width direction of the case 1, one end, close to the bevel gear A51, of the reciprocating screw rod 81 is connected with the bevel gear B82, the bevel gear A14 is meshed with the bevel gear B82, and the reciprocating screw rod 81 is driven to rotate when the bevel gear B82 rotates. The piston 84 is installed in a connected mode, one end, close to the first bevel gear 14, of the piston 84 is connected with two cross rods 85, the end portions of the cross rods 85 are connected with movable blocks 83, screw nuts are sleeved on the reciprocating screw rods 81 and fixed on the movable blocks 83, and the reciprocating screw rods 81 penetrate through the movable blocks 83 and drive the movable blocks 83 to reciprocate in the horizontal direction. The end part of the connecting pipe 8 close to the bevel gear I14 is opened, the other end of the connecting pipe is closed and connected with a one-way valve I, and a hole is formed in the piston 84 and connected with a one-way valve II. The end of the connection pipe 8 is connected to an intake pipe 76, and the intake pipe 76 and the inside of the connection pipe 8 communicate.

Referring to fig. 5 and 6, the air inlet pipe 76 is communicated with the top of the water tank 7, the movable plate 74 is movably installed in the water tank 7, and a connecting spring 75 is connected between the top of the movable plate 74 and the top of the water tank 7. When the reciprocating screw 81 rotates, the piston 84 is continuously inflated into the air inlet pipe 76, so that the pressure at the top of the movable plate 74 is increased, and the movable plate 74 moves downwards. The water in the water tank 7 is discharged to the outside through the water outlet pipe 71. When the rotating rod and the three-jaw chuck 12 do not rotate any more, the pressure is not applied inwards, water cannot be discharged continuously, waste of water sources is reduced, and time is not spent on opening the water outlet pipe 71 during machining.

Referring to fig. 5 and 6, an air outlet 73 is formed in the side wall of the water tank 7, the water inlet is located near the bottom of the water tank 7, the air outlet 73 is located near the top of the water tank 7, and the air outlet 73 is located above the movable plate 74. The air above the movable plate 74 can be exhausted through the air outlet 73. The return of the movable plate 74 is achieved by the connecting spring 75. The air inlet pipe 76, the air outlet 73, the water inlet pipe 72 and the water outlet pipe 71 are all provided with valves.

The implementation principle of the turning and milling composite numerical control machine tool in the embodiment of the application is as follows: the milling head 33 and the turning head 34 are rotatably mounted using the structure of the machining table 3, and the workpiece is gripped by the feed assembly and the three-jaw chuck 12.

The first driving piece motor and the transverse electric push rod 22 drive the machining table 3 in the horizontal direction, the horizontal position is adjusted, the height of the machining table 3 can be adjusted by using the structure of the vertical electric push rod 23, the milling head 33 or the turning head 34 can be selected according to the situation to machine the workpiece by reinforcing the position of the table, and the machining efficiency is effectively improved compared with the machining of different machining machines for replacing the workpiece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a turn-milling compound digit control machine tool, includes quick-witted case (1), sets up processing groove (10) in quick-witted case (1) and installs the processing subassembly in processing groove (10), its characterized in that: the machining assembly comprises a transverse plate (2) which is slidably installed in the machining groove (10), a sliding seat (21) which is slidably installed on the transverse plate (2) and a machining table (3) which is arranged on the sliding seat (21), a first driving piece which drives the transverse plate (2) to horizontally slide and a second driving piece which drives the sliding seat (21) to horizontally slide along the transverse plate (2) are arranged on the transverse plate (2), and a third driving piece which drives the machining table (3) to vertically move is arranged on the sliding seat (21); the machining table (3) comprises a turning tool seat (32) at the bottom and a milling tool seat (31) at the top, a plurality of turning tool bits (34) are arranged on the turning tool seat (32), and a plurality of milling tool bits (33) are arranged on the milling tool seat (31); the side wall of the processing tank (10) is rotatably provided with a three-jaw chuck (12), and the side wall far away from the processing tank (10) is provided with a feeding assembly.

2. The turning and milling composite numerical control machine tool according to claim 1, characterized in that: a through hole is formed in one side, away from the three-jaw chuck (12), of the processing tank (10), a feeding table (4) is installed, and a driving roller (45) and a driven roller (46) are arranged on the feeding table (4); the side wall at the through hole is rotatably provided with the turntable (5), the rotating axis of the turntable (5) is provided with a hole for a workpiece to pass through along the horizontal direction, the turntable (5) is provided with a horizontal guide pipe (6), the guide pipe (6) comprises a guide part (63) and a clamping part (64), the inner diameter of the guide part (63) along the direction close to the three-jaw chuck (12) is gradually reduced, and the clamping part (64) is arranged to be a straight cylinder.

3. The turning and milling composite numerical control machine tool according to claim 2, characterized in that: the feeding table (4) is provided with a horizontal movable groove (41), a connecting frame A (42) and a connecting frame B (43) are arranged in the movable groove (41), a driving roller (45) and a driven roller (46) are respectively rotatably installed on the connecting frame A (42) and the connecting frame B (43), two return springs (44) are arranged in the movable groove (41), the end parts, close to each other, of the two return springs (44) are respectively connected with the connecting frame A (42) and the connecting frame B (43), one end, far away from each other, of the two return springs (44) is connected with the side wall of the end part of the movable groove (41), and a feeding motor (47) for driving the driving roller (45) to rotate is arranged on the connecting frame A (42).

4. The turning and milling compound numerical control machine tool according to claim 2, characterized in that: a bevel gear A (51) is rotatably arranged on the turntable (5), and the axes of the bevel gear A (51) and the turntable (5) are the same; holes are formed in the rotary disc (5) and the bevel gear A (51); the guide pipe (6) comprises a left half part and a right half part which have the same structure, the left half part and the right half part are connected with guide rods (66), and the guide rods (66) are arranged in the holes and extend into the rotary table (5) to be connected with the rotary table (5) in a sliding manner; carousel (5) edge symmetry be provided with two and connect platform (53), and rotation installs threaded rod (54) in connecting platform (53), and threaded rod (54) are connected with bevel gear second (52), and bevel gear second (52) and bevel gear first (51) meshing, and left part (61) and right part (62) all are connected with L shape connection piece, and threaded rod (54) run through L shape connection piece and with L shape connection piece screw-thread fit.

5. The turning and milling composite numerical control machine tool according to claim 1, characterized in that: a water tank (7) is arranged on one side of the case (1), a water inlet and a water outlet are arranged on the water tank (7), and the water outlet is connected with a water outlet pipe (71).

6. The turning and milling composite numerical control machine tool according to claim 1, characterized in that: the first driving part comprises a first driving motor (24) arranged at the end part of the transverse plate (2), an output shaft of the first driving motor is connected with a gear (25), and a rack (11) meshed with the gear (25) is arranged at the top of the case (1).

7. The turning and milling composite numerical control machine tool according to claim 1, characterized in that: the driving part II comprises a transverse electric push rod (22) arranged on the transverse plate (2), and the end part of a movable rod of the transverse electric push rod (22) is connected with the sliding seat (21); the driving piece III comprises a vertical electric push rod (23) arranged on the sliding seat (21), and the bottom of a movable rod of the vertical electric push rod (23) is connected with the processing table (3).

8. The turning and milling composite numerical control machine tool according to claim 1, characterized in that: the milling cutter head (33) is provided with three positions on a milling cutter seat (31), the milling cutter head (33) is rotatably connected with the milling cutter seat (31) through a rotating shaft, a hollow groove (30) is formed in the milling cutter seat (31), the rotating shaft is connected with a worm wheel (35), the worm wheel (35) is arranged in the hollow groove (30), a second driving motor (37) is arranged on the milling cutter seat (31), an output shaft of the second driving motor (37) is connected with a worm (36), and the worm (36) is meshed with the worm wheel (35).

9. The turning and milling composite numerical control machine tool according to claim 1, characterized in that: the turning tools are arranged at three positions on the turning tool seat (32) and are arranged along the vertical direction.