CN112518005A

CN112518005A - Numerical control cutting equipment for machining mechanical workpiece

Info

Publication number: CN112518005A
Application number: CN202011392423.4A
Authority: CN
Inventors: 陈雅倩
Original assignee: Ma'anshan Zhiju Information Technology Co ltd
Current assignee: Ma'anshan Zhiju Information Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-03-19

Abstract

The invention discloses a numerical control cutting device for machining a mechanical workpiece, which comprises a box body, wherein a guide groove is formed in the rear part of the upper end of the box body, a moving device is movably connected to the rear part of the right end of the box body in an inserting mode, a cutting device is arranged on the moving device, a cutting table is fixedly connected between the lower part of the left box wall and the lower part of the right box wall of the box body together, the left part and the right part of the upper end of the cutting table are fixedly connected with a fixing device, a slag falling opening is formed in the middle part of the upper end of the cutting table, a limiting groove is formed in the rear part of the upper end of the cutting table, a collecting device is fixedly connected to the middle part of the lower box wall of the box body, a controller. According to the numerical control cutting equipment for machining the mechanical workpiece, the height and the position of the cutting knife can be flexibly adjusted through the whole cutting equipment, the working efficiency is improved, the stability of the workpiece is enhanced, and the numerical control cutting equipment is suitable for wide application.

Description

Numerical control cutting equipment for machining mechanical workpiece

Technical Field

The invention relates to the technical field of machining equipment, in particular to numerical control cutting equipment for machining a mechanical workpiece.

Background

As is well known, a machine part cutting and machining device is a device for cutting a raw material for machine part production during a machine part production process, and is widely used in the field of machine part production, while a machine part needs to be machined, cut, and adjusted in size before being used, so that the machine part is convenient to mount and use, and the inventor finds that at least the following problems in the prior art are not solved: 1. the cutting knives in the existing cutting device are all fixed, and the height and the position of the cutting knife cannot be adjusted according to actual conditions, so that the application range of the device is limited, and the working efficiency is reduced; 2. the existing cutting device can not effectively fix the plate-shaped workpiece, so that the stability of the workpiece is reduced, the cutting precision of the workpiece is influenced, and the cutting device is inconvenient to use; therefore, a numerical control cutting device for machining a mechanical workpiece is provided.

Disclosure of Invention

The invention mainly aims to provide a numerical control cutting device for machining a mechanical workpiece, which can effectively solve the problems in the background technology.

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

a numerical control cutting device for machining a mechanical workpiece comprises a box body, wherein a guide groove is formed in the rear part of the upper end of the box body, the rear part of the right end of the box body is movably connected with a moving device in an inserting way, the moving device is provided with a cutting device, a cutting table is fixedly connected between the lower part of the left box wall and the lower part of the right box wall of the box body, the cutting table is positioned below the moving device, the left part of the upper end and the right part of the upper end of the cutting table are fixedly connected with a fixing device, the middle part of the upper end of the cutting table is provided with a slag dropping hole, the rear part of the upper end of the cutting table is provided with a limiting groove, the middle part of the lower box wall of the box body is fixedly connected with a collecting device, the upper end of the collecting device is fixedly connected with the lower end of the cutting table, the lower part of the right end of the box body is fixedly connected with a controller, the front end of the box body is movably connected with a box door through a hinge, and a toughened glass window is fixedly connected to the middle of the front end of the box door in an inserting mode.

As a further improvement of the above scheme, the moving device includes a moving motor, an output end of the moving motor penetrates through a right tank wall of the tank body and is fixedly connected with a moving shaft, a moving block is inserted and movably connected to a left portion of an outer surface of the moving shaft, a lifting device is fixedly connected to an upper end of the moving block, a limiting block is fixedly connected to a middle portion of a lower end of the moving block, and a left end and a right end of the moving shaft are both jointly formed and are respectively movably connected with the left tank wall and the right tank wall of the tank body.

As a further improvement of the above scheme, the lifting device comprises a fixed frame, a lifting motor is fixedly connected with the middle part of the upper end of the fixed frame, a guide rod is fixedly connected with the middle part of the upper end of the lifting motor, the output end of the lifting motor penetrates through the upper frame wall of the fixed frame and is fixedly connected with a lifting shaft, the upper end and the lower end of the lifting shaft are respectively movably connected with the upper frame wall and the lower frame wall of the fixed frame through bearings, a lifting block is inserted and movably connected on the upper part of the outer surface of the lifting shaft, an adjusting frame is fixedly connected between the left part and the right part of the front end of the lifting block together, an adjusting motor is fixedly connected with the middle part of the front end of the adjusting frame, the output end of the adjusting motor penetrates through the front frame wall of the adjusting frame and is fixedly connected with an adjusting shaft, and the front end and the rear end of the adjusting shaft are respectively movably connected, the lower end of the fixed frame is fixedly connected with the upper end of the moving block.

As a further improvement of the above scheme, the cutting device includes an adjusting block, a cutting motor is fixedly connected to the lower portion of the right end of the adjusting block, the output end of the cutting motor penetrates through the right end of the adjusting block and is fixedly connected with a cutting shaft, the right end of the cutting shaft is movably connected with the left end of the adjusting block through a bearing, a cutting knife is fixedly connected to the left end of the cutting shaft in an inserting manner, a connecting hole is formed in the upper portion of the front end of the adjusting block, and the adjusting block is movably connected with the adjusting shaft in an inserting manner through the connecting hole.

As a further improvement of the above scheme, the fixing device includes a fixing plate, a telescopic rod is fixedly connected to the upper portion of the right end of the fixing plate, a connecting frame is fixedly connected to the right end of the telescopic rod, a sliding groove is formed in the middle of the right end of the connecting frame, a clamping device is movably connected between the middle of the upper frame wall and the middle of the lower frame wall of the connecting frame through a bearing, and the left end and the lower end of the fixing plate are fixedly connected to the left box wall of the box body and the upper end of the cutting table respectively.

As a further improvement of the above scheme, the clamping device includes a fixed shaft, the upper part of the outer surface and the lower part of the outer surface of the fixed shaft are both inserted and movably connected with moving plates, the right ends of the two moving plates both penetrate through the sliding groove and fixedly connected with the clamping plate, the middle part of the upper end of the fixed shaft is fixedly connected with a knob, and the upper end of the knob penetrates through the upper frame wall of the connecting frame.

As a further improvement of the above scheme, the collecting device comprises a collecting box, the upper end of the collecting box is provided with a plurality of slag inlet holes, a connecting plate is fixedly connected between the upper part of the left box wall and the upper part of the right box wall of the collecting box, the left part and the right part of the upper end of the connecting plate are both inserted with fixedly connected suction fans, the lower part of the front end of the collecting box is inserted with a drawer, and the lower end of the collecting box is fixedly connected with the lower box wall of the box body.

As a further improvement of the scheme, the limiting block and the guide rod are respectively connected with the limiting groove and the guide groove in a sliding mode, and a plurality of spiral threads are carved on the outer surface of the moving shaft, the outer surface of the lifting shaft and the outer surface of the adjusting shaft.

As a further improvement of the scheme, the height of the adjusting block is twice of that of the adjusting frame, and the lower end face of the adjusting block is higher than that of the cutting knife.

As a further improvement of the scheme, the upper part and the lower part of the outer surface of the fixed shaft are respectively engraved with a plurality of right-handed threads and a plurality of left-handed threads, and the opposite surfaces of the two clamping plates can be respectively provided with a plurality of anti-skid threads.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the moving device and the lifting device are arranged, the moving motor drives the moving shaft to rotate, the cutting knife can be adjusted left and right, the lifting motor drives the lifting shaft to rotate, the cutting knife can be adjusted up and down, and the adjusting shaft is driven to rotate by the adjusting motor, so that the cutting knife can be adjusted front and back, the height and the position of the cutting knife can be adjusted conveniently according to actual conditions, the application range of the device is effectively expanded, and the working efficiency is improved.

2. According to the invention, by arranging the fixing device and the clamping device, the connecting frame is moved left and right through the expansion of the telescopic rod, plate-type workpieces with different lengths can be clamped and fixed, the clamping plate continues to move up and down through the forward and backward rotation of the knob, and the plate-type workpieces with different thicknesses can be clamped and fixed, so that the working effect on the workpieces is enhanced, the stability of the workpieces is effectively enhanced, the cutting precision of the workpieces is ensured, and the device is convenient to use.

3. According to the invention, the collection device is arranged, the suction force is generated through the suction fan, so that residues generated during cutting are sucked into the collection box through the residue inlet hole, the residues enter the drawer for collection, and then the drawer is pulled to be taken out of the collection box, so that the residues can be treated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a numerical control cutting device for machining a mechanical workpiece according to the present invention;

FIG. 2 is a schematic structural diagram of a mobile device of a numerically controlled cutting apparatus for machining a mechanical workpiece according to the present invention;

FIG. 3 is a schematic structural diagram of a lifting device of a numerical control cutting apparatus for machining a mechanical workpiece according to the present invention;

FIG. 4 is a schematic structural diagram of a cutting device of a numerically controlled cutting apparatus for machining a mechanical workpiece according to the present invention;

FIG. 5 is a schematic structural diagram of a fixing device of a numerically controlled cutting apparatus for machining a mechanical workpiece according to the present invention;

FIG. 6 is a schematic structural diagram of a clamping device of a numerical control cutting apparatus for machining a mechanical workpiece according to the present invention;

fig. 7 is a schematic structural diagram of a collecting device of a numerical control cutting device for machining a mechanical workpiece according to the invention.

In the figure: 1. a box body; 2. a guide groove; 3. a mobile device; 4. a cutting device; 5. a fixing device; 6. a slag falling port; 7. a collection device; 8. cutting table; 9. a controller; 10. a limiting groove; 11. a box door; 12. tempering the glass window; 31. a moving motor; 32. a movable shaft; 33. a lifting device; 34. a moving block; 35. a limiting block; 331. a fixing frame; 332. a lifting shaft; 333. a lifting motor; 334. a guide bar; 335. a lifting block; 336. an adjusting bracket; 337. adjusting the motor; 338. an adjustment shaft; 41. an adjusting block; 42. cutting the motor; 43. cutting the shaft; 44. a cutting knife; 45. connecting holes; 51. a fixing plate; 52. a telescopic rod; 53. a connecting frame; 54. a chute; 55. a clamping device; 551. a fixed shaft; 552. moving the plate; 553. a knob; 554. a splint; 71. a collection box; 72. a slag inlet hole; 73. a suction fan; 74. a shaft drawer; 75. a connecting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical scheme of the invention is further explained by combining the attached drawings.

As shown in fig. 1-7, a numerical control cutting device for machining a mechanical workpiece comprises a box body 1, wherein a guide groove 2 is formed at the rear part of the upper end of the box body 1, a moving device 3 is movably inserted into the rear part of the right end of the box body 1, a cutting device 4 is arranged on the moving device 3, a cutting table 8 is fixedly connected between the lower part of the left box wall and the lower part of the right box wall of the box body 1 together, the cutting table 8 is positioned below the moving device 3, a fixing device 5 is fixedly connected to the left part of the upper end and the right part of the upper end of the cutting table 8, a slag falling opening 6 is formed in the middle part of the upper end of the cutting table 8, a limiting groove 10 is formed in the rear part of the upper end of the cutting table 8, a collecting device 7 is fixedly connected to the middle part of the lower box wall of the box body 1, the upper end of the collecting device 7 is, the middle part of the front end of the box door 11 is fixedly connected with a toughened glass window 12 in an inserting way.

Mobile device 3 includes mobile motor 31, mobile motor 31's output runs through the right tank wall and the fixedly connected with removal axle 32 of box 1, the surface left part of removal axle 32 alternates swing joint and has the movable block 34, the upper end fixedly connected with elevating gear 33 of movable block 34, the lower extreme middle part fixedly connected with stopper 35 of movable block 34, the left end and the right-hand member of removal axle 32 all constitute jointly respectively with the left tank wall and the right tank wall swing joint of box 1, stopper 35 and guide bar 334 respectively with spacing groove 10 and guide way 2 sliding connection, the stability of fixed frame 331 when removing has been improved, the surface of removal axle 32, a plurality of spiral striations have all been carved with the surface of surface and the regulating shaft 338 of lift axle 332.

The lifting device 33 comprises a fixed frame 331, a lifting motor 333 is fixedly connected to the middle of the upper end of the fixed frame 331, a guide rod 334 is fixedly connected to the middle of the upper end of the lifting motor 333, the output end of the lifting motor 333 penetrates through the upper frame wall of the fixed frame 331 and is fixedly connected with a lifting shaft 332, the upper end and the lower end of the lifting shaft 332 are respectively and movably connected with the upper frame wall and the lower frame wall of the fixed frame 331 through bearings, a lifting block 335 is movably connected to the upper part of the outer surface of the lifting shaft 332 in an inserting manner, an adjusting frame 336 is fixedly connected between the left part and the right part of the front end of the lifting block 335 together, an adjusting motor 337 is fixedly connected to the middle of the front end of the adjusting frame 336, the output end of the adjusting motor 337 penetrates through the front frame wall of the adjusting frame 336 and is fixedly connected with an adjusting shaft 338, the front end and the rear end of the adjusting shaft 338 are respectively and movably connected with the front end, the lifting motor 333, the adjusting motor 337 and the moving motor 31 are electrically connected with the controller 9, so that the controller 9 can control the cutting knife 44 to move and cut.

Cutting device 4 includes regulating block 41, the right-hand member lower part fixedly connected with cutting motor 42 of regulating block 41, the right-hand member and the fixedly connected with cutting axle 43 of regulating block 41 are run through to cutting motor 42's output, and the right-hand member of cutting axle 43 passes through the left end swing joint of bearing and regulating block 41, the left end of cutting axle 43 alternates fixedly connected with cutting knife 44, open the front end upper portion of regulating block 41 has connecting hole 45, regulating block 41 alternates swing joint with regulating shaft 338 through connecting hole 45, regulating block 41's height is the twice of the height of alignment jig 336, regulating block 41's lower terminal surface will be higher than cutting knife 44's lower terminal surface, avoid regulating block 41 to influence cutting work of cutting knife 44.

Fixing device 5 includes fixed plate 51, fixed plate 51's right-hand member upper portion fixedly connected with telescopic link 52, telescopic link 52's right-hand member fixedly connected with connection frame 53, open at connection frame 53's right-hand member middle part has spout 54, has clamping device 55 through bearing swing joint between connection frame 53's the last frame wall middle part and the lower frame wall middle part, fixed plate 51's left end and lower extreme respectively with the left tank wall of box 1 and the upper end fixed connection of cutting bed 8.

The clamping device 55 comprises a fixed shaft 551, the upper part and the lower part of the outer surface of the fixed shaft 551 are respectively and movably connected with a movable plate 552 in an inserting way, the right ends of the two movable plates 552 respectively penetrate through a chute 54 and are fixedly connected with a clamping plate 554, the middle part of the upper end of the fixed shaft 551 is fixedly connected with a knob 553, the upper end of the knob 553 penetrates through the upper frame wall of the connecting frame 53, the upper part and the lower part of the outer surface of the fixed shaft 551 are respectively engraved with a plurality of right-handed threads and a plurality of left-handed threads, so that the two clamping plates 554 move towards the middle together when the knob 553 rotates forwards, the two clamping plates 554 move towards the opposite directions together when the knob 553 rotates backwards, a plurality of anti-skid threads can be arranged on the opposite surfaces of the two clamping.

The collecting device 7 comprises a collecting box 71, the upper end of the collecting box 71 is provided with a plurality of slag inlet holes 72, a connecting plate 75 is fixedly connected between the upper part of the left box wall and the upper part of the right box wall of the collecting box 71, the left part and the right part of the upper end of the connecting plate 75 are respectively inserted with a fixedly connected suction fan 73, the lower part of the front end of the collecting box 71 is inserted with a drawer 74, and the lower end of the collecting box 71 is fixedly connected with the lower box wall of the box 1.

In summary, during the use of the present invention, when the present invention is used, a user opens the box door 11, then places the plate-type workpiece with processing between the two fixing devices 5, extends the telescopic rod 52 to move the box-type workpiece of the connecting frame 53 and clamp and fix the box-type workpiece, then rotates the knob 553 to rotate the fixed shaft 551, and then moves the two moving plates 552 towards the middle by the plurality of right-handed threads and left-handed threads on the fixed shaft 551, and drives the two clamping plates 554 to move towards the middle together under the limit of the sliding slot 54, thereby clamping and fixing the workpiece, effectively enhancing the fixing effect on the workpiece, thereby improving the stability of the workpiece, then starts the cutting motor 42, the cutting motor 42 drives the cutting shaft 43 to rotate and drives the cutting knife 44 to rotate together, the controller 9 controls the moving motor 31 to start, the moving motor 31 rotates forward and backward to drive the moving shaft 32 to rotate forward and backward, thereby enabling the moving block 34 to move left and right and driving the cutting knife 44 to move left and right for adjustment, the controller 9 controls the lifting motor 333 to start, the lifting motor 333 rotates forward and backward to drive the lifting shaft 332 to rotate forward and backward, thereby the lifting block 335 moves up and down in the fixing frame 331 and drives the cutting knife 44 to move up and down for adjustment, then the controller 9 controls the adjusting motor 337 to start, the adjusting motor 337 rotates forward and backward to drive the adjusting shaft 338 to rotate forward and backward together, thereby leading the adjusting block 41 to move back and forth in the adjusting frame 336 and driving the cutting knife 44 to move back and forth for adjustment, flexibly adjusting the height and the position of the cutting knife 44, improving the cutting efficiency, the suction fan 73 generates suction force while the cutting knife 44 cuts, and residue generated by cutting is sucked into the drawer 74 of the collecting box 71 through the residue inlet hole 72, so that the residue can be collected and processed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a numerical control cutting equipment for machining work piece processing, includes box (1), its characterized in that: the cutting device is characterized in that a guide groove (2) is formed in the rear portion of the upper end of the box body (1), a moving device (3) is movably inserted into the rear portion of the right end of the box body (1), a cutting device (4) is arranged on the moving device (3), a cutting table (8) is fixedly connected between the lower portion of the left box wall and the lower portion of the right box wall of the box body (1) together, the cutting table (8) is located below the moving device (3), a fixing device (5) is fixedly connected to the left portion of the upper end and the right portion of the upper end of the cutting table (8), a slag falling opening (6) is formed in the middle portion of the upper end of the cutting table (8), a limiting groove (10) is formed in the rear portion of the upper end of the cutting table (8), a collecting device (7) is fixedly connected to the middle portion of the lower box wall of the box body (1), the upper end of the collecting device (7), the refrigerator is characterized in that the front end of the refrigerator body (1) is movably connected with a refrigerator door (11) through a hinge, and a toughened glass window (12) is fixedly connected to the middle of the front end of the refrigerator door (11) in an inserting mode.

2. A numerically controlled cutting device for machining workpieces according to claim 1, characterized in that: the movable device (3) comprises a movable motor (31), the output end of the movable motor (31) penetrates through the right box wall of the box body (1) and is fixedly connected with a movable shaft (32), the left part of the outer surface of the movable shaft (32) is inserted with a movable block (34), the upper end of the movable block (34) is fixedly connected with a lifting device (33), the middle part of the lower end of the movable block (34) is fixedly connected with a limiting block (35), and the left end and the right end of the movable shaft (32) are both jointly formed and are movably connected with the left box wall and the right box wall of the box body (1).

3. A numerically controlled cutting device for machining workpieces according to claim 2, characterized in that: the lifting device (33) comprises a fixed frame (331), the upper end middle part of the fixed frame (331) is fixedly connected with a lifting motor (333), the upper end middle part of the lifting motor (333) is fixedly connected with a guide rod (334), the output end of the lifting motor (333) penetrates through the upper frame wall of the fixed frame (331) and is fixedly connected with a lifting shaft (332), the upper end and the lower end of the lifting shaft (332) are respectively movably connected with the upper frame wall and the lower frame wall of the fixed frame (331) through bearings, the outer surface upper part of the lifting shaft (332) is penetrated and movably connected with a lifting block (335), an adjusting frame (336) is fixedly connected between the left part and the right part of the front end of the lifting block (335), the front end middle part of the adjusting frame (336) is fixedly connected with an adjusting motor (337), the output end of the adjusting motor (337) penetrates through the front frame wall of the adjusting frame (336) and is fixedly connected with an adjusting shaft, the front end and the rear end of the adjusting shaft (338) are respectively movably connected with the front end of the lifting block (335) and the front frame wall of the adjusting frame (336) through bearings, and the lower end of the fixed frame (331) is fixedly connected with the upper end of the moving block (34).

4. A numerically controlled cutting device for machining workpieces according to claim 1, characterized in that: cutting device (4) are including regulating block (41), the right-hand member lower part fixedly connected with cutting motor (42) of regulating block (41), the output of cutting motor (42) runs through the right-hand member and the fixedly connected with cutting axle (43) of regulating block (41), and the right-hand member of cutting axle (43) passes through the left end swing joint of bearing and regulating block (41), the left end interlude fixedly connected with cutting knife (44) of cutting axle (43), open the front end upper portion of regulating block (41) has connecting hole (45), the through connecting hole (45) and the regulation axle (338) of regulating block (41) interlude swing joint.

5. A numerically controlled cutting device for machining workpieces according to claim 1, characterized in that: fixing device (5) are including fixed plate (51), right-hand member upper portion fixedly connected with telescopic link (52) of fixed plate (51), right-hand member fixedly connected with connection frame (53) of telescopic link (52), open at the right-hand member middle part of connection frame (53) has spout (54), there is clamping device (55) through bearing swing joint between the upper ledge wall middle part of connection frame (53) and the lower ledge wall middle part, the left end and the lower extreme of fixed plate (51) respectively with the left tank wall of box (1) and the upper end fixed connection of cutting bed (8).

6. A numerically controlled cutting device for machining workpieces according to claim 5, characterized in that: the clamping device (55) comprises a fixing shaft (551), moving plates (552) are movably connected to the upper portion and the lower portion of the outer surface of the fixing shaft (551) in a penetrating mode, the right ends of the two moving plates (552) penetrate through sliding grooves (54) to be fixedly connected with clamping plates (554), a knob (553) is fixedly connected to the middle of the upper end of the fixing shaft (551), and the upper end of the knob (553) penetrates through an upper frame wall of the connecting frame (53).

7. A numerically controlled cutting device for machining workpieces according to claim 1, characterized in that: collection device (7) are including collecting box (71), open the upper end of collecting box (71) has a plurality of to advance sediment hole (72), common fixedly connected with connecting plate (75) between the left tank wall upper portion of collecting box (71) and the right tank wall upper portion, fixedly connected with suction fan (73) all alternate in the upper end left part and the upper end right part of connecting plate (75), the front end lower part of collecting box (71) alternates swing joint and has drawer (74), the lower extreme of collecting box (71) and the lower tank wall fixed connection of box (1).

8. A numerically controlled cutting device for machining workpieces according to claim 2, characterized in that: stopper (35) and guide bar (334) respectively with spacing groove (10) and guide way (2) sliding connection, the surface of removal axle (32), the surface of lift axle (332) and the surface of adjusting axle (338) are all carved with a plurality of spiral lines.

9. A numerically controlled cutting device for machining workpieces according to claim 4, characterized in that: the height of the adjusting block (41) is twice that of the adjusting frame (336), and the lower end face of the adjusting block (41) is higher than that of the cutting knife (44).

10. A numerically controlled cutting device for machining workpieces according to claim 6, characterized in that: the upper part and the lower part of the outer surface of the fixed shaft (551) are respectively provided with a plurality of right-handed threads and a plurality of left-handed threads, and the opposite surfaces of the two clamping plates (554) can be provided with a plurality of anti-skid threads.