CN112171280A

CN112171280A - Double-spindle turning and milling composite numerical control machine tool

Info

Publication number: CN112171280A
Application number: CN202010990970.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-01-05

Abstract

The invention relates to the technical field of numerical control machines, in particular to a double-spindle turning and milling composite numerical control machine, wherein a shell is arranged at the bottom of a working ring, the working ring is fixedly connected with the shell, a mounting frame is arranged at the back side of the shell, the mounting frame is fixed with the shell through a bolt, a motor is arranged at the bottom of one end, away from the shell, of the mounting frame, the mounting frame is fixed with the motor through the bolt, a hydraulic cylinder is arranged at the bottom of the motor, the motor is fixed with the hydraulic cylinder through the bolt, and a polishing disc is arranged at the bottom of the hydraulic cylinder. The use is more convenient, the market competitiveness is good, and the method is worthy of recommendation.

Description

Double-spindle turning and milling composite numerical control machine tool

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a double-spindle turning and milling composite numerical control machine tool.

Background

The numerically controlled machine tool is an automatic machine tool with program control system, and can logically process the program defined by control code or other symbolic instruction, decode it, use coded digital representation, input it into numerical control device by means of information carrier, and make the numerical control device give out various control signals to control the action of machine tool, and automatically machine the part according to the form and size required by drawing The clamp does not need to readjust the machine tool frequently, therefore, the NC machine tool is suitable for the occasion that the processed part is frequently changed, namely suitable for the production of single-piece, small batch products and the development of new products, thus has shortened the production preparation cycle, has saved the expense of a large amount of process equipment, the machining precision of the NC machine tool can reach 0.05-0.1 MM generally, the NC machine tool is controlled according to the form of digital signal, the numerical control device moves a pulse equivalent (generally 0.001MM) each time of outputting a pulse signal, and the reverse clearance of the machine tool feeding drive chain and the mean error of the lead screw pitch can be compensated by the NC device, therefore, the NC machine tool has higher positioning precision, the NC machine tool can reduce the processing time and the auxiliary time of the part effectively, the range of the main shaft and the sound velocity of the NC machine tool is large, allow the machine tool to carry on, in addition, the numerical control machine tool is matched with a tool magazine of a machining center, so that continuous machining of multiple processes can be realized on one machine tool, the turn-around time between the processes of semi-finished products is reduced, and the productivity is improved.

However, a large amount of waste materials are generated during operation, the waste materials are troublesome to clean, irregular objects are troublesome to fix, multiple surfaces are needed to be machined, the clamp needs to be replaced frequently, and the use is troublesome.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a double-spindle turning and milling composite numerical control machine tool which is reasonable in design and ingenious in structure, through mutual matching of the structures, a workpiece and a processing tool are cooled through water, processed waste materials are taken to a collection place, so that the machine tool is more convenient to clean, the water is filtered and convenient to recycle, objects in different shapes can be fixed, the machine tool is more convenient to use, has good market competitiveness, and is worthy of recommendation.

In order to achieve the purpose, the invention adopts the following technical scheme:

the double-spindle turning and milling composite numerical control machine tool comprises a working ring, wherein a shell is arranged at the bottom of the working ring, the working ring is fixedly connected with the shell, a mounting frame is arranged at the back side of the shell, the mounting frame and the shell are fixed through bolts, a motor is arranged at the bottom of one end, away from the shell, of the mounting frame, the mounting frame and the motor are fixed through bolts, a hydraulic cylinder is arranged at the bottom of the motor, the motor and the hydraulic cylinder are fixed through bolts, a polishing disc is arranged at the bottom of the hydraulic cylinder, the polishing disc is welded with the end part of an output shaft of the hydraulic cylinder, a fixed rod is arranged in the working ring and is connected with the inside of the working ring in a sliding manner, a first moving rod is arranged in the fixed rod in a sliding manner, a moving block is arranged at one side, the fixed rod and the moving block are designed in an integrated mode, the axial section of the moving block is in an isosceles trapezoid shape, a moving groove is formed in the working ring and corresponds to the position of the moving block, the moving block is matched with the moving groove, the cross section of the moving groove is in a circular ring shape, the axial section of the moving groove is in an isosceles trapezoid shape, the moving block is matched with the moving groove, the moving block is connected to the inside of the moving groove in a sliding mode, the moving groove and the working ring are designed in an integrated mode, a plurality of round holes are formed in the moving groove and are designed in an integrated mode with the moving groove, an extending piece is installed at one end, away from the working ring, of the first moving rod, the first moving rod and the extending piece are designed in an integrated mode, a rotating piece is installed at one end, away from the first moving rod, of the extending piece, and the rotating piece, the surface mounting of rotating member has the semicircle dish, rotating member and semicircle dish welding, the surface mounting who extends the piece has the connecting rod, connecting rod and extension fixed connection, the extrusion ring is installed at the top of working ring, extrusion ring sliding connection is in one side of working ring, the stripper bar is installed to the bottom of extrusion ring, the extrusion ring is the integral type design with the stripper bar, the second carriage release lever is installed to the bottom of stripper bar, second carriage release lever sliding connection is in the inside of working ring.

Preferably, the internally mounted of shell has the collection storehouse, it is the integral type design with the shell to collect the storehouse, the clearing hole is installed at the top of collecting the storehouse, the clearing hole is the integral type design with the shell, the internally mounted who collects the storehouse has the filter plate, filter plate sliding connection is in the inside of shell, the pull ring is installed to one side of filter plate, filter plate and shell fixed connection.

Preferably, the raceway is installed to the inside bottom of collecting the storehouse, raceway and shell fixed connection, the externally mounted of raceway has the pump that absorbs water, raceway and pump fixed connection that absorbs water, the one end that the pump that absorbs water was kept away from to the raceway is installed the shower nozzle, the raceway passes through threaded connection with the shower nozzle, the shower nozzle is close to one side of the dish of polishing and is set up to the orientation downward sloping of the dish of polishing.

Preferably, a first fixture block is installed on one side of the bottom of the first moving rod, the first fixture block and the first moving rod are designed in an integrated mode, a first clamping groove is installed in the position, corresponding to the first fixture block, of the inside of the fixed rod, the first fixture block is matched with the first clamping groove, the first clamping groove and the fixed rod are designed in an integrated mode, the first fixture block is connected to the inside of the first clamping groove in a sliding mode, a first spring is installed inside the first clamping groove, and one end, close to the first fixture block, of the first spring is welded with the first fixture block. And one end of the first spring, which is far away from the first clamping block, is welded with the fixed rod.

Preferably, one side of connecting rod is installed and is popped out the piece, pop out a sliding connection in one side of connecting rod, the axle cross-sectional shape that pops out the piece is fan-shaped, the third fixture block is installed to one side of connecting rod, the third fixture block is the integral type design with the connecting rod, third fixture block sliding connection is in the inside of popping out the piece, the internally mounted who pops out the piece has the third spring, one side and the third fixture block welding that the third spring is close to the third fixture block, one side that the third fixture block was kept away from to the third spring with pop out the piece welding.

Preferably, the internally mounted of semicircle dish has, sliding connection is in the inside of semicircle dish, internally mounted have the second spring, the second spring with be the integral type design, second spring sliding connection is in the inside of semicircle dish, internally mounted have the second fixture block, one side and the second spring welding that the second fixture block is close to the second spring, one side and the semicircle dish welding of second spring are kept away from to the second fixture block.

Preferably, a squeezing groove is installed in the second moving rod at a position corresponding to the squeezing rod, the squeezing groove and the second moving rod are designed in an integrated mode, the axial cross section of the squeezing groove is in a right trapezoid shape, an extension rod is installed in the moving block, the extension rod is connected to the inside of the moving block in a sliding mode, the moving block is matched with the round hole, and the axial cross section of the moving block is in a right trapezoid shape.

Preferably, the internally mounted of rotating member has the pull rod, pull rod sliding connection is in the inside of rotating member, the connecting plate is installed to the bottom of pull rod, the connecting plate is the integral type design with the pull rod, the internally mounted of pull rod has the fourth spring, the bottom and the pull rod welding of fourth spring, the top and the rotating member welding of fourth spring, the internally mounted of dead lever has the annular dish, annular dish sliding connection is in the inside of dead lever.

Preferably, the internally mounted of annular dish has the restriction pole, the annular dish is the integral type design with the restriction pole, the inside of dead lever corresponds the position of annular dish and installs the fifth spring, the one end and the annular dish welding that the fifth spring is close to the annular dish.

The double-spindle turning and milling composite numerical control machine tool provided by the invention has the beneficial effects that: the fixed rod is rotated to enable the moving block on one side of the fixed rod to move in the moving groove so as to be adjusted according to the shape of an object, the extrusion ring is extruded to enable the extrusion rod to extrude the extrusion groove so as to enable the second moving rod to move, the second moving rod moves to the inside of the moving block so as to be fixed, after the second moving rod reaches the inside of the moving block, the second moving rod extrudes the extension rod so as to enable the extension rod to extend out of the inside of the moving block, so that the extension rod is clamped into the inside of the round hole so as to enable the moving block to be fixed, the annular disc is rotated to enable one part of the annular disc to extrude the fifth spring so as to enable the limiting rod in the annular disc to rotate and separate from the inside of the first moving rod, so that the first moving rod can move in the inside of the fixed rod, so that the extending length of the first moving rod can be adjusted according to irregular objects, through extrusion, the pop-up block is ejected out, the rotating piece is convenient to move, so that the angle is changed, objects with inclined planes are convenient to fix, the pull rod is pulled to drive the connecting plate to move, and the connecting plate is used for extruding the objects so as to fix the objects again.

Drawings

Fig. 1 is a schematic structural view of a double-spindle turning and milling composite numerical control machine tool according to the present invention;

FIG. 2 is a cross-sectional view of a dual spindle turning and milling composite numerical control machine tool according to the present invention;

FIG. 3 is a top cross-sectional view of a dual spindle turning and milling composite NC machine tool according to the present invention;

FIG. 4 is an enlarged view of a portion A of a double spindle turning and milling composite numerical control machine tool shown in FIG. 3 according to the present invention;

FIG. 5 is a partial side sectional view of a dual spindle turning and milling composite NC machine tool according to the present invention;

FIG. 6 is a cross-sectional view of an annular disc of a double-spindle turning and milling composite numerical control machine tool according to the present invention;

FIG. 7 is a cross-sectional view of a fixed link and an annular disc of a dual spindle turning and milling composite numerical control machine tool according to the present invention;

fig. 8 is a top partial cross-sectional view of a dual spindle turning and milling composite numerical control machine tool according to the present invention.

In the figure: 1. a water delivery pipe; 2. a spray head; 3. a mounting frame; 4. a motor; 5. a hydraulic cylinder; 6. grinding disc; 7. An extrusion ring; 8. a working ring; 9. a housing; 10. a pull ring; 11. through the hole; 12. filtering the plate; 13. a collection bin; 14. a water suction pump; 15. a moving block; 16. fixing the rod; 17. a circular hole; 18. a moving groove; 19. a first movable bar; 20. a first card slot; 21. a first clamping block; 22. a first spring; 23. a rotating member; 24. an extension member; 25. a connecting rod; 26. popping up a block; 27. a semicircular disc; 28. a second fixture block; 29. a second spring; 30. a third spring; 31. a third fixture block; 32. a second movable bar; 33. extruding a groove; 34. an extrusion stem; 35. an extension bar; 36. an annular disc; 37. a connecting plate; 38. a fourth spring; 39. a pull rod; 40. a restraining bar; 41. and a fifth spring.

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.

Referring to fig. 1-8, a compound digit control machine tool of two main shafts turnning and milling, including working ring 8, shell 9 is installed to the bottom of working ring 8, the internally mounted of shell 9 has collection storehouse 13, it is the integral type design to collect storehouse 13 and shell 9, collect the top of storehouse 13 and install via hole 11, via hole 11 and shell 9 are the integral type design, the internally mounted of collecting storehouse 13 has filter plate 12, filter plate 12 sliding connection is in the inside of shell 9, pull ring 10 is installed to one side of filter plate 12, filter plate 12 and shell 9 fixed connection, convenient the washing.

Collect the inside bottom in storehouse 13 and install raceway 1, raceway 1 and shell 9 fixed connection, the externally mounted of raceway 1 has water suction pump 14, raceway 1 and water suction pump 14 fixed connection, raceway 1 is kept away from water suction pump 14's one end and is installed shower nozzle 2, raceway 1 passes through threaded connection with shower nozzle 2, shower nozzle 2 is close to one side of polishing dish 6 and is set up to the orientation downward sloping of polishing dish 6, make the washing more thorough, and can cool down article.

The working ring 8 is fixedly connected with the shell 9, a mounting frame 3 is installed on the back side of the shell 9, the mounting frame 3 is fixed with the shell 9 through bolts, a motor 4 is installed at the bottom of one end, away from the shell 9, of the mounting frame 3, the mounting frame 3 is fixed with the motor 4 through bolts, a hydraulic cylinder 5 is installed at the bottom of the motor 4, the motor 4 is fixed with the hydraulic cylinder 5 through bolts, a polishing disc 6 is installed at the bottom of the hydraulic cylinder 5, the polishing disc 6 is welded with the end portion of an output shaft of the hydraulic cylinder 5, a fixing rod 16 is installed inside the working ring 8, the fixing rod 16 is connected to the inside of the working ring 8 in a sliding mode, a first moving rod 19 is installed inside the fixing rod 16, a first clamping block 21 is installed on one side of the bottom of the first moving rod 19, the first clamping block 21 and the first moving rod 19 are designed in an integrated mode, the first clamping groove 20 and the fixing rod 16 are designed in an integrated manner, the first clamping block 21 is slidably connected inside the first clamping groove 20, the first spring 22 is installed inside the first clamping groove 20, and one end, close to the first clamping block 21, of the first spring 22 is welded to the first clamping block 21. One end of the first spring 22, which is far away from the first clamping block 21, is welded with the fixing rod 16, so that the stability of the device is increased.

The first moving rod 19 is connected inside the fixed rod 16 in a sliding manner, a moving block 15 is installed on one side, close to the working ring 8, of the fixed rod 16 and the moving block 15 in an integrated design, the axial section of the moving block 15 is in an isosceles trapezoid shape, a moving groove 18 is installed in the working ring 8 at a position corresponding to the moving block 15, the moving block 15 is matched with the moving groove 18, the cross section of the moving groove 18 is in a circular ring shape, the axial section of the moving groove 18 is in the isosceles trapezoid shape, the moving block 15 is matched with the moving groove 18, the moving block 15 is connected inside the moving groove 18 in a sliding manner, the moving groove 18 and the working ring 8 are in an integrated design, a plurality of circular holes 17 are formed in the moving groove 18, the plurality of circular holes 17 and the moving groove 18 are in an integrated design, an extending piece 24 is installed at one end, far away from the working ring 8, the rotating part 23 is installed to the one end that extends 24 and keeps away from first movable rod 19, the internally mounted of rotating part 23 has pull rod 39, pull rod 39 sliding connection is in the inside of rotating part 23, connecting plate 37 is installed to the bottom of pull rod 39, connecting plate 37 and pull rod 39 are the integral type design, the internally mounted of pull rod 39 has fourth spring 38, the bottom and the pull rod 39 welding of fourth spring 38, the top and the rotating part 23 welding of fourth spring 38, the internally mounted of dead lever 16 has annular disc 36, annular disc 36 sliding connection is in the inside of dead lever 16, it is more convenient to make the removal.

The limiting rod 40 is installed inside the annular disc 36, the annular disc 36 and the limiting rod 40 are designed in an integrated mode, the fifth spring 41 is installed inside the fixing rod 16 and corresponds to the annular disc 36, one end, close to the annular disc 36, of the fifth spring 41 is welded with the annular disc 36, the moving stability is improved, and derailing is prevented.

Extension 24 and rotating member 23 rotate through the pivot to be connected, the surface mounting of rotating member 23 has half disc 27, the internally mounted of half disc 27 has 42, 42 sliding connection is in the inside of half disc 27, the internally mounted of 42 has second spring 29,

second spring

29 and 42 are the integral type design, second spring 29 sliding connection is in the inside of half disc 27, the internally mounted of 42 has second fixture block 28, one side that second fixture block 28 is close to second spring 29 welds with second spring 29, one side that second fixture block 28 kept away from second spring 29 welds with half disc 27, it is more convenient to make the removal, the effectual derailment that prevents.

Rotating member 23 and semicircle dish 27 welding, the surface mounting of extension 24 has connecting rod 25, pop out piece 26 is installed to one side of connecting rod 25, pop out piece 26 sliding connection in one side of connecting rod 25, the axle cross-sectional shape that pops out piece 26 is fan-shaped, third chuck 31 is installed to one side of connecting rod 25, third chuck 31 is the integral type design with connecting rod 25, third chuck 31 sliding connection is in the inside of popping out piece 26, the internally mounted who pops out piece 26 has third spring 30, third spring 30 is close to one side and the welding of third chuck 31, third spring 30 keeps away from one side of third chuck 31 and pops out piece 26 welding, increase the stability of device, it is more convenient to make the installation.

Connecting rod 25 and extension 24 fixed connection, extrusion ring 7 is installed at the top of working ring 8, extrusion ring 7 sliding connection is in one side of working ring 8, extrusion stem 34 is installed to the bottom of extrusion ring 7, extrusion ring 7 is the integral type design with extrusion stem 34, second carriage bar 32 is installed to the bottom of extrusion stem 34, extrusion groove 33 is installed to the inside position that corresponds extrusion stem 34 of second carriage bar 32, extrusion groove 33 is the integral type design with second carriage bar 32, the axle cross-sectional shape of extrusion groove 33 is right trapezoid, the internally mounted of movable block 15 has extension bar 35, extension bar 35 sliding connection is in the inside of movable block 15, movable block 15 and round hole 17 phase-match, the axle cross-sectional shape of movable block 15 is right trapezoid, make the extrusion lighter, make fixed more swift.

The second mobile bar 32 is slidingly connected to the inside of the operating ring 8.

The working principle is as follows: the moving block 15 on one side of the fixed rod 16 is moved inside the moving groove 18 by rotating the fixed rod 16, so that adjustment is performed according to the shape of an object, the pressing ring 7 is pressed, the pressing groove 33 is pressed by the pressing rod 34, the second moving rod 32 is moved inside the moving block 15 and fixed, and after the second moving rod 32 reaches the inside of the moving block 15, the second moving rod 32 presses the protruding rod 35, the protruding rod 35 protrudes from the inside of the moving block 15, so that the protruding rod 35 is engaged in the inside of the circular hole 17, so that the moving block 15 is fixed, a part of the annular disc 36 presses the fifth spring 41 by rotating the annular disc 36, the limiting rod 40 inside the annular disc 36 is rotated and separated from the inside of the first moving rod 19, so that the first moving rod 19 can move inside the fixed rod 16, therefore, the extending length of the first moving rod 19 can be adjusted, the first moving rod can be adjusted according to irregular articles, the ejection block 26 is ejected out by the ejection block 42 through extrusion 42, the rotating piece 23 can be moved conveniently, the angle can be changed, articles with inclined planes can be fixed conveniently, the pull rod 39 is pulled, the pull rod 39 drives the connecting plate 37 to move, and the connecting plate 37 extrudes the articles to fix the articles again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The double-spindle turning and milling composite numerical control machine tool comprises a working ring (8) and is characterized in that a shell (9) is installed at the bottom of the working ring (8), the working ring (8) is fixedly connected with the shell (9), a mounting frame (3) is installed on the back side of the shell (9), the mounting frame (3) is fixed with the shell (9) through bolts, a motor (4) is installed at the bottom of one end, far away from the shell (9), of the mounting frame (3), the mounting frame (3) is fixed with the motor (4) through bolts, a hydraulic cylinder (5) is installed at the bottom of the motor (4), the motor (4) is fixed with the hydraulic cylinder (5) through bolts, a polishing disc (6) is installed at the bottom of the hydraulic cylinder (5), the polishing disc (6) is welded with the end portion of an output shaft of the hydraulic cylinder (5), and a fixing rod (16) is installed inside the working ring (, the fixed rod (16) is connected to the inside of the working ring (8) in a sliding manner, a first moving rod (19) is installed inside the fixed rod (16), the first moving rod (19) is connected to the inside of the fixed rod (16) in a sliding manner, a moving block (15) is installed on one side, close to the working ring (8), of the fixed rod (16), the fixed rod (16) and the moving block (15) are designed in an integrated manner, the shaft section of the moving block (15) is in an isosceles trapezoid shape, a moving groove (18) is installed in the working ring (8) at a position corresponding to the moving block (15), the moving block (15) is matched with the moving groove (18), the cross section of the moving groove (18) is in a circular ring shape, the shaft section of the moving groove (18) is in an isosceles trapezoid shape, the moving block (15) is matched with the moving groove (18), and the moving block (15) is connected to the inside of the, the utility model discloses a working ring (8) for the automobile engine, including a moving groove (18), a working ring (8), a plurality of moving groove (18), a plurality of round hole (17) all are the integral type design with moving groove (18), the one end that working ring (8) were kept away from in first carriage release lever (19) is installed and is extended (24), first carriage release lever (19) is the integral type design with extension (24), the one end that first carriage release lever (19) were kept away from in extension (24) is installed rotating member (23), extension (24) are connected through the pivot rotation with rotating member (23), the surface mounting of rotating member (23) has semicircle dish (27), rotating member (23) and semicircle dish (27) welding, the surface mounting of extension (24) has connecting rod (25), connecting rod (25) and extension (24) fixed connection, extrusion ring (7) are installed at the top of working ring (8), extrusion ring (7) sliding connection is in one side of working ring (8), extrusion pole (34) are installed to the bottom of extrusion ring (7), extrusion ring (7) are the integral type design with extrusion pole (34), second carriage release lever (32) are installed to the bottom of extrusion pole (34), second carriage release lever (32) sliding connection is in the inside of working ring (8).

2. The compound digit control machine tool of two main shafts turn-milling of claim 1, characterized in that, the internally mounted of shell (9) has collection storehouse (13), it designs to collect storehouse (13) and shell (9) to be the integral type, collect the top in storehouse (13) and install through hole (11), through hole (11) and shell (9) are the integral type design, the internally mounted of collecting storehouse (13) has filter plate (12), filter plate (12) sliding connection is in the inside of shell (9), pull ring (10) are installed to one side of filter plate (12), filter plate (12) and shell (9) fixed connection.

3. The double-spindle turning and milling composite numerical control machine tool according to claim 2 is characterized in that a water conveying pipe (1) is mounted at the bottom of the interior of the collection bin (13), the water conveying pipe (1) is fixedly connected with the shell (9), a water suction pump (14) is mounted on the exterior of the water conveying pipe (1), the water conveying pipe (1) is fixedly connected with the water suction pump (14), a spray head (2) is mounted at one end, far away from the water suction pump (14), of the water conveying pipe (1), the water conveying pipe (1) is connected with the spray head (2) through threads, and one side, close to the polishing disc (6), of the spray head (2) is inclined downwards towards the polishing disc (6).

4. The double-spindle turning and milling compound numerical control machine tool according to claim 1, wherein a first clamping block (21) is installed on one side of the bottom of the first moving rod (19), the first clamping block (21) and the first moving rod (19) are designed in an integrated mode, a first clamping groove (20) is installed in the fixed rod (16) corresponding to the position of the first clamping block (21), the first clamping block (21) is matched with the first clamping groove (20), the first clamping groove (20) and the fixed rod (16) are designed in an integrated mode, the first clamping block (21) is connected to the inside of the first clamping groove (20) in a sliding mode, a first spring (22) is installed in the first clamping groove (20), and one end, close to the first clamping block (21), of the first spring (22) is welded to the first clamping block (21). One end, far away from the first clamping block (21), of the first spring (22) is welded with the fixing rod (16).

5. The double-spindle turning and milling composite numerical control machine tool according to claim 1, characterized in that an ejection block (26) is installed at one side of the connecting rod (25), the ejection block (26) is slidably connected to one side of the connecting rod (25), the axial cross section of the ejection block (26) is fan-shaped, a third clamping block (31) is installed at one side of the connecting rod (25), the third clamping block (31) and the connecting rod (25) are designed in an integrated manner, the third clamping block (31) is slidably connected to the inside of the ejection block (26), a third spring (30) is installed inside the ejection block (26), one side of the third spring (30) close to the third clamping block (31) is welded to the third clamping block (31), and one side of the third spring (30) far away from the third clamping block (31) is welded to the ejection block (26).

6. The double-spindle turning and milling compound numerical control machine tool according to claim 1, characterized in that a semicircular disc (27) is internally provided with a second spring (29), the second spring (29) and the second spring (42) are integrally designed, the second spring (29) is slidably connected inside the semicircular disc (27), a second clamping block (28) is internally provided with the second clamping block (42), one side of the second clamping block (28), which is close to the second spring (29), is welded with the second spring (29), and one side of the second clamping block (28), which is far away from the second spring (29), is welded with the semicircular disc (27).

7. The double-spindle turning and milling composite numerical control machine tool according to claim 1, characterized in that a pressing groove (33) is installed in the second moving rod (32) at a position corresponding to the pressing rod (34), the pressing groove (33) and the second moving rod (32) are designed in an integrated manner, the axial cross-sectional shape of the pressing groove (33) is a right trapezoid, an extension rod (35) is installed in the moving block (15), the extension rod (35) is slidably connected to the inside of the moving block (15), the moving block (15) is matched with the circular hole (17), and the axial cross-sectional shape of the moving block (15) is a right trapezoid.

8. The compound numerical control machine tool with double spindles for turn-milling of claim 1 is characterized in that a pull rod (39) is installed inside the rotating part (23), the pull rod (39) is slidably connected inside the rotating part (23), a connecting plate (37) is installed at the bottom of the pull rod (39), the connecting plate (37) and the pull rod (39) are designed in an integrated mode, a fourth spring (38) is installed inside the pull rod (39), the bottom of the fourth spring (38) is welded with the pull rod (39), the top of the fourth spring (38) is welded with the rotating part (23), an annular disc (36) is installed inside the fixing rod (16), and the annular disc (36) is slidably connected inside the fixing rod (16).

9. The compound numerical control machine tool with double spindles for turn-milling is characterized in that a limiting rod (40) is installed inside the annular disc (36), the annular disc (36) and the limiting rod (40) are designed in an integrated mode, a fifth spring (41) is installed inside the fixing rod (16) at a position corresponding to the annular disc (36), and one end, close to the annular disc (36), of the fifth spring (41) is welded with the annular disc (36).